2012-02-03 Doug Kwan <dougkwan@google.com>
[binutils.git] / gold / ChangeLog
blob6c5078e737489e933a6330ab6d08bcb5a2073893
1 2012-02-03  Doug Kwan  <dougkwan@google.com>
3         * arm.cc (Arm_relocate_functions::abs8,
4         Arm_relocate_functions::abs16): Use
5         Bits::has_signed_unsigned_overflow32.
6         (Arm_relocate_functions::thm_abs8): Correct range of
7         overflow check.
8         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
9         in assertions.
11 2012-02-02  Doug Kwan  <dougkwan@google.com>
13         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
14         position independent outputs, not just shared objects.
16 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
18         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
19         * configure: Regenerated.
21 2012-01-27  Ian Lance Taylor  <iant@google.com>
23         * reloc.h (Bits): New class with static functions, copied from
24         namespace utils in arm.cc.
25         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
26         instead.
28 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
30         * incremental.cc (write_info_blocks): Correct relocation offset.
32 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
34         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
35         (Relocate::tls_gd_to_le): Likewise.
37 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
39         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
41 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
43         * configure.ac: Check if -mcmodel=medium works.
44         * configure: Regenerated.
46 2012-01-24  Cary Coutant  <ccoutant@google.com>
48         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
49         definition and ...
50         (read_unsigned_LEB_128_x): ... this new function.
51         (read_signed_LEB_128): Replaced with inline definition and ...
52         (read_signed_LEB_128_x): ... this new function.
53         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
54         (read_unsigned_LEB_128): Add inline definition.
55         (read_signed_LEB_128_x): New function.
56         (read_signed_LEB_128): Add inline definition.
57         * testsuite/Makefile.am (leb128_unittest): New unit test.
58         * testsuite/Makefile.in: Regenerate.
59         * testsuite/leb128_unittest.cc: New unit test.
61 2012-01-23  Ian Lance Taylor  <iant@google.com>
63         PR gold/13617
64         * i386.cc (Target_i386::do_code_fill): When using a jmp
65         instruction, pad with nop instructions.
66         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
68 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
70         * x86_64.cc (gc_process_relocs): Add typename on types used in
71         template.
72         (scan_relocs): Likewise.
73         (relocate_section): Likewise.
74         (apply_relocation): Likewise.
76 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
78         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
79         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
80         under x32.
82 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
84         * x86_64.cc: Initial support for x32.
86 2012-01-03  Cary Coutant  <ccoutant@google.com>
88         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
89         Use abstract base class for GOT.
90         * gold/output.h (class Output_data_got_base): New abstract base class.
91         (class Output_data_got): Derive from new base class, adjust ctors.
92         (Output_data_got::reserve_slot): Make virtual; rename to
93         do_reserve_slot; Adjust callers.
94         * gold/target.h (Sized_target::init_got_plt_for_update): Return
95         pointer to abstract base class.
96         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
98 2011-12-18  Ian Lance Taylor  <iant@google.com>
100         * object.h (Relobj::local_symbol_value): New function.
101         (Relobj::local_plt_offset): New function.
102         (Relobj::local_has_got_offset): New function.
103         (Relobj::local_got_offset): New function.
104         (Relobj::set_local_got_offset): New function.
105         (Relobj::do_local_symbol_value): New pure virtual function.
106         (Relobj::do_local_plt_offset): Likewise.
107         (Relobj::do_local_has_got_offset): Likewise.
108         (Relobj::do_local_got_offset): Likewise.
109         (Relobj::do_set_local_got_offset): Likewise.
110         (Sized_relobj::do_local_has_got_offset): Rename from
111         local_has_got_offset.
112         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
113         (Sized_relobj::do_set_local_got_offset): Rename from
114         set_local_got_offset.
115         (Sized_relobj_file::do_local_plt_offset): Rename from
116         local_plt_offset.
117         (Sized_relobj_file::do_local_symbol_value): New function.
118         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
119         local_plt_offset.
120         * output.cc (Output_data_got::Got_entry::write): Change object to
121         Relobj.  Use local_symbol_value.
122         (Output_data_got::add_global_with_rel): Change rel_dyn to
123         Output_data_reloc_generic*.  Use add_global_generic.
124         (Output_data_got::add_global_with_rela): Remove.  Change all
125         callers to use add_global_with_rel.
126         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
127         Output_data_reloc_generic*.  Use add_global_generic.
128         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
129         callers to use add_global_pair_with_rel.
130         (Output_data_got::add_local): Change object to Relobj*.
131         (Output_data_got::add_local_plt): Likewise.
132         (Output_data_got::add_local_with_rel): Change object to Relobj*,
133         change rel_dyn to Output_data_reloc_generic*.  Use
134         add_local_generic.
135         (Output_data_got::add_local_with_rela): Remove.  Change all
136         callers to use all_local_with_rel.
137         (Output_data_got::add_local_pair_with_rel): Change object to
138         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
139         add_output_section_generic.
140         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
141         callers to use add_local_pair_with_rel.
142         (Output_data_got::reserve_local): Change object to Relobj*.
143         * output.h: (class Output_data_reloc_generic): Add pure virtual
144         declarations for add_global_generic, add_local_generic,
145         add_output_section_generic.
146         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
147         functions for Output_data_reloc_generic.  Update declarations for
148         changes listed in output.cc.
149         (class Output_data_got): Change template parameter to got_size.
150         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
151         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
152         function.
153         (Sized_relobj_incr::do_local_plt_offset): New function.
154         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
155         add_global_generic.
157 2011-12-17  Cary Coutant  <ccoutant@google.com>
159         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
160         * resolve.cc (Symbol_table::resolve): Likewise.
161         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
162         arrays.
163         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
165 2011-12-16  Ian Lance Taylor  <iant@google.com>
167         * output.h (Output_data_reloc_generic::add): Only call
168         add_dynamic_reloc if this is a dynamic reloc section.
170 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
172         PR gold/13505
173         * target-reloc.h (apply_relocation): Replace <64, false> with
174         <size, big_endian>.
176 2011-11-25  Nick Clifton  <nickc@redhat.com>
178         * po/it.po: New Italian translation.
180 2011-11-17  Sterling Augustine  <saugustine@google.com>
182         * script.cc (script_include_directive): Implement.
183         (read_script_file): New local variables name and search_path. Update
184         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
185         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
186         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
188 2011-11-11  Sterling Augustine  <saugustine@google.com>
190         * yyscript.y (section_cmd): Add support for INCLUDE directive.
191         (file_or_sections_cmd): Likewise.
193 2011-11-11  Doug Kwan  <dougkwan@google.com>
195         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
196         if --just-symbols is given.
198 2011-11-10  Doug Kwan  <dougkwan@google.com>
200         PR gold/13362
201         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
202         when processing data relocs.
203         * reloc.h (Relocate_functions::rel_unaligned): New method.
204         (Relocate_functions::pcrel_unaligned): Ditto.
205         (Relocate_functions::rel32_unaligned): Ditto.
206         (Relocate_functions::pcrel32_unaligned): Ditto.
208 2011-11-09  Doug Kwan  <dougkwan@google.com>
210         PR gold/13362
211         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
212         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
213         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
214         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
215         (Relocate_functions::rel_unaligned): New.
216         (Relocate_functions::rel32_unaligned): New.
217         * target-reloc.h (relocate_for_relocatable): Add code to handle
218         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
219         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
220         arm_unaligned_reloc_r): New targets.
221         * testsuite/Makefile.in: Regenerate.
222         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
223         linking.
225 2011-11-02  Ian Lance Taylor  <iant@google.com>
227         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
228         NATIVE_LINKER.
229         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
230         * options.cc (General_options::finalize): Use library search path
231         from configure script if specified.  If not native and no sysroot,
232         only search TOOLLIBDIR.
233         * options.h (Search_directory::Search_directory): Change name to
234         const std::string&.
235         (General_options::add_to_library_path_with_sysroot): Change arg to
236         const std::string&.
237         * configure, Makefile.in, config.in: Rebuild.
239 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
241         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
242         we are working around the ARM1176 Erratum.
243         * options.h (General_options::fix_arm1176): Add option.
244         * testsuite/Makefile.am: Add testcases, and keep current ones
245         working.
246         * testsuite/Makefile.in: Regenerate.
247         * testsuite/arm_fix_1176.s: New file.
248         * testsuite/arm_fix_1176.sh: Likewise.
250 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
252         * arm.cc (Target_arm::Target_arm): Remove initialisation of
253         may_use_blx_.
254         (Target_arm::may_use_blx): Remove method.
255         (Target_arm::set_may_use_blx): Likewise.
256         (Target_arm::may_use_v4t_interworking): New method.
257         (Target_arm::may_use_v5t_interworking): Likewise.
258         (Target_arm::may_use_blx_): Remove member variable.
259         (Arm_relocate_functions::arm_branch_common): Check for v5T
260         interworking.
261         (Arm_relocate_functions::thumb_branch_common): Likewise.
262         (Reloc_stub::stub_type_for_reloc): Likewise.
263         (Target_arm::do_finalize_sections): Correct interworking checks.
264         * testsuite/Makefile.am: Add new tests.
265         * testsuite/Makefile.in: Regenerate.
266         * testsuite/arm_farcall_arm_arm.s: New test.
267         * testsuite/arm_farcall_arm_arm.sh: Likewise.
268         * testsuite/arm_farcall_arm_thumb.s: Likewise.
269         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
270         * testsuite/arm_farcall_thumb_arm.s: Likewise.
271         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
272         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
273         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
275 2011-10-31  Cary Coutant  <ccoutant@google.com>
277         PR gold/13023
278         * expression.cc (Expression::eval_with_dot): Add
279         is_section_dot_assignment parameter.
280         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
281         absolute and assigning to dot within a section.
282         * script-sections.cc
283         (Output_section_element_assignment::set_section_addresses): Pass
284         dot_section to set_if_absolute.
285         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
286         as is_section_dot_assignment flag to eval_with_dot.
287         (Output_section_element_dot_assignment::set_section_addresses):
288         Likewise.
289         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
290         parameter.  Also set value if relative to dot_section; set the
291         symbol's output_section.
292         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
293         parameter.  Adjust all callers.
294         (Expression::eval_maybe_dot): Likewise.
295         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
296         Adjust all callers.
297         * testsuite/script_test_2.t: Test assignment of an absolute value
298         to dot within an output section element.
300 2011-10-31  Cary Coutant  <ccoutant@google.com>
302         * options.h (class General_options): Add --[no-]gnu-unique options.
303         * symtab.cc (Symbol_table::sized_write_globals): Convert
304         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
306 2011-10-31  Cary Coutant  <ccoutant@google.com>
308         PR gold/13359
309         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
310         unnecessary assertion.
311         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
313 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
315         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
316         gc_mark_symbol.
317         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
318         gc_mark_symbol.
319         Change to just keep the section associated with symbol.
320         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
321         they are externally visible and --export-dynamic is turned on.
322         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
324 2011-10-19  Ian Lance Taylor  <iant@google.com>
326         PR gold/13163
327         * script-sections.cc
328         (Output_section_element_dot_assignment::needs_output_section): New
329         function.
331 2011-10-19  Ian Lance Taylor  <iant@google.com>
333         PR gold/13204
334         * layout.cc (Layout::segment_precedes): Don't assert failure if a
335         --section-start option was seen.
336         * options.h (General_options::any_section_start): New function.
338 2011-10-18  David S. Miller  <davem@davemloft.net>
340         PR binutils/13301
341         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
342         member to track relocation locations that have moved during TLS
343         reloc optimizations.
344         (Target_sparc::Relocate::Relocate): Initialize to NULL.
345         (Target_sparc::Relocate::relocate): Adjust view down by 4
346         bytes if it matches reloc_adjust_addr_.
347         (Target_sparc::Relocate::relocate_tls): Always move the
348         __tls_get_addr call delay slot instruction forward 4 bytes when
349         performing relaxation.
351 2011-10-18  Cary Coutant  <ccoutant@google.com>
353         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
354         (Output_file::map_no_anonymous): Check for non-zero
355         return code from posix_fallocate.
357 2011-10-17  Cary Coutant  <ccoutant@google.com>
359         PR gold/13245
360         * plugin.cc (is_visible_from_outside): Check for symbols
361         referenced from dynamic objects.
362         * resolve.cc (Symbol_table::resolve): Don't count references
363         from dynamic objects as references from real ELF files.
364         * testsuite/plugin_test_2.sh: Adjust expected result.
366 2011-10-17  Cary Coutant  <ccoutant@google.com>
368         * gold.cc: Include timer.h.
369         (queue_middle_tasks): Stamp time.
370         (queue_final_tasks): Likewise.
371         * main.cc (main): Store timer in parameters.  Print timers
372         for each pass.
373         * parameters.cc (Parameters::Parameters): Initialize timer_.
374         (Parameters::set_timer): New function.
375         (set_parameters_timer): New function.
376         * parameters.h (Parameters::set_timer): New function.
377         (Parameters::timer): New function.
378         (Parameters::timer_): New data member.
379         (set_parameters_timer): New function.
380         * timer.cc (Timer::stamp): New function.
381         (Timer::get_pass_time): New function.
382         * timer.h (Timer::stamp): New function.
383         (Timer::get_pass_time): New function.
384         (Timer::pass_times_): New data member.
386 2011-10-17  Cary Coutant  <ccoutant@google.com>
388         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
389         task for members of lib groups.
391 2011-10-17  Cary Coutant  <ccoutant@google.com>
393         PR gold/13288
394         * fileread.cc (File_read::find_view): Add assert.
395         (File_read::make_view): Move bounds check (replace with assert)...
396         (File_read::find_or_make_view): ... to here.
398 2011-10-12  Cary Coutant  <ccoutant@google.com>
400         * output.cc (Output_file::open_base_file): Handle case where
401         ::read returns less than requested size.
403 2011-10-10  Cary Coutant  <ccoutant@google.com>
405         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
406         Initialize defined_count_.
407         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
408         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
409         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
410         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
411         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
412         * incremental.h (Sized_relobj_incr::defined_count_): New data
413         member.
414         (Sized_incr_dynobj::defined_count_): New data member.
415         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
416         Return zeroes instead of internal error.
418 2011-10-10  Cary Coutant  <ccoutant@google.com>
420         PR gold/13249
421         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
422         (Output_reloc::symbol_value): Return PLT offset if flag is set.
423         * output.h (class Output_reloc): Add use_plt_offset flag.
424         (Output_reloc::type_): Adjust size of bit field.
425         (Output_reloc::use_plt_offset_): New bit field.
426         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
427         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
428         flag.  Adjust all callers.
429         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
430         creating RELATIVE relocations.
432 2011-10-10  Nick Clifton  <nickc@redhat.com>
434         * po/es.po: Updated Spanish translation.
435         * po/fi.po: Updated Finnish translation.
437 2011-10-03   Diego Novillo  <dnovillo@google.com>
439         * options.cc (parse_uint): Fix dereference of RETVAL.
441 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
443         * layout.h (section_order_map_): New member.
444         (get_section_order_map): New member function.
445         * output.cc (Output_section::add_input_section): Check for patterns
446         only when --section-ordering-file is specified.
447         * gold.cc (queue_middle_tasks): Delay updating order of sections till
448         output_sections have been formed.
449         * layout.cc (Layout_Layout): Initialize section_order_map_.
450         * plugin.cc (update_section_order): Store order in order_map. Do not
451         update the order.
452         * testsuite/Makefile.am: Add test case for plugin_final_layout.
453         * testsuite/Makefile.in: Regenerate.
454         * testsuite/plugin_section_order.c: New file.
455         * testsuite/plugin_final_layout.cc: New file.
456         * testsuite/plugin_final_layout.sh: New file.
458 2011-09-29  Cary Coutant  <ccoutant@google.com>
460         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
461         Check for NULL.
462         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
463         symbols during incremental update.
464         (Symbol_table::add_from_dynobj): Likewise.
466 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
467             Ian Lance Taylor  <iant@google.com>
469         * symtab.cc (Symbol_table::define_special_symbol): Always
470         canonicalize version string.
472 2011-09-26  Cary Coutant  <ccoutant@google.com>
474         * gold.cc (queue_initial_tasks): Move option checks ...
475         * options.cc (General_options::finalize): ... to here. Disable
476         some options; make others fatal.
478 2011-09-26  Cary Coutant  <ccoutant@google.com>
480         gcc PR lto/47247
481         * plugin.cc (get_symbols_v2): New function.
482         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
483         (is_referenced_from_outside): New function.
484         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
485         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
486         (get_symbols): Pass version parameter.
487         (get_symbols_v2): New function.
488         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
489         parameter.
490         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
491         (onload): Add LDPT_GET_SYMBOLS_V2.
492         (all_symbols_read_hook): Use get_symbols_v2; check for
493         LDPR_PREVAILING_DEF_IRONLY_EXP.
494         * testsuite/plugin_test_3.sh: Update expected results.
496 2011-09-23  Simon Baldwin  <simonb@google.com>
498         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
499         configuration options.
500         * configure: Regenerate.
501         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
502         * Makefile.in: Regenerate.
503         * testsuite/Makefile.in: Regenerate.
505 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
507         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
509 2011-09-19  Cary Coutant  <ccoutant@google.com>
511         * incremental.cc (can_incremental_update): Fix typo in comment.
512         * incremental.h (can_incremental_update): Likewise.
514 2011-09-18  Cary Coutant  <ccoutant@google.com>
516         * incremental.cc (can_incremental_update): New function.
517         * incremental.h (can_incremental_update): New function.
518         * layout.cc (Layout::init_fixed_output_section): Call it.
519         (Layout::make_output_section): Don't allow patch space in .eh_frame.
520         * object.cc (Sized_relobj_file::do_layout): Call
521         can_incremental_update.
523 2011-09-13  Cary Coutant  <ccoutant@google.com>
525         * configure.ac: Check for glibc support for gnu_indirect_function
526         support with static linking, setting automake conditional
527         IFUNC_STATIC.
528         * Makefile.in: Regenerate.
529         * configure: Regenerate.
531         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
532         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
533         for IFUNC_STATIC.
534         * testsuite/Makefile.in: Regenerate.
536 2011-09-13  Cary Coutant  <ccoutant@google.com>
538         * incremental.cc (Sized_relobj_incr::do_layout): Call
539         report_comdat_group for kept comdat sections.
540         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
541         * testsuite/Makefile.in: Regenerate.
542         * testsuite/incr_comdat_test_1.cc: New source file.
543         * testsuite/incr_comdat_test_2_v1.cc: New source file.
544         * testsuite/incr_comdat_test_2_v2.cc: New source file.
545         * testsuite/incr_comdat_test_2_v3.cc: New source file.
547 2011-09-13  Ian Lance Taylor  <iant@google.com>
549         * object.cc (Sized_relobj_file::do_layout): Remove unused local
550         variable external_symbols_offset.
552 2011-09-12  Ian Lance Taylor  <iant@google.com>
554         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
555         triggered if object has no symbols.
557 2011-09-09  David S. Miller  <davem@davemloft.net>
559         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
560         (Output_fill_debug_line::do_write): Likewise.
562 2011-08-29  Cary Coutant  <ccoutant@google.com>
564         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
565         casts to match formatting specs.
566         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
568 2011-08-26  Cary Coutant  <ccoutant@google.com>
570         * layout.cc (Free_list::allocate): Provide guarantee of minimum
571         remaining hole size when allocating.
572         (Layout::make_output_section): Set fill methods for debug sections.
573         * layout.h (Free_list::Free_list_node): Move from private to
574         public.
575         (Free_list::set_min_hole_size): New function.
576         (Free_list::begin, Free_list::end): New functions.
577         (Free_list::min_hole_): New data member.
578         * output.cc: Include dwarf.h.
579         (Output_fill_debug_info::do_minimum_hole_size): New function.
580         (Output_fill_debug_info::do_write): New function.
581         (Output_fill_debug_line::do_minimum_hole_size): New function.
582         (Output_fill_debug_line::do_write): New function.
583         (Output_section::Output_section): Initialize new data member.
584         (Output_section::set_final_data_size): Ensure patch space is larger
585         than minimum hole size.
586         (Output_section::do_write): Fill holes in debug sections.
587         * output.h (Output_fill): New class.
588         (Output_fill_debug_info): New class.
589         (Output_fill_debug_line): New class.
590         (Output_section::set_free_space_fill): New function.
591         (Output_section::free_space_fill_): New data member.
592         * testsuite/Makefile.am (incremental_test_3): Add
593         --incremental-patch option.
594         (incremental_test_4): Likewise.
595         (incremental_test_5): Likewise.
596         (incremental_test_6): Likewise.
597         (incremental_copy_test): Likewise.
598         (incremental_common_test_1): Likewise.
599         * testsuite/Makefile.in: Regenerate.
601 2011-08-26  Nick Clifton  <nickc@redhat.com>
603         * po/es.po: Updated Spanish translation.
605 2011-08-01  Cary Coutant  <ccoutant@google.com>
607         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
608         * gold/testsuite/Makefile.in: Regenerate.
609         * gold/testsuite/justsyms_exec.c: New source file.
610         * gold/testsuite/justsyms_lib.c: New source file.
612 2011-08-01  Cary Coutant  <ccoutant@google.com>
614         * layout.cc (Layout::set_segment_offsets): Don't realign text
615         segment if -Ttext was specified.
616         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
617         file type.
618         * object.h (Sized_relobj_file::e_type): New function.
619         (Sized_relobj_file::e_type_): New data member.
620         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
621         base address for ET_EXEC files.
622         * target.cc (Target::do_make_elf_object_implementation): Allow
623         ET_EXEC files with --just-symbols option.
625 2011-07-28  Cary Coutant  <ccoutant@google.com>
627         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
628         Add thread_number parameter.
629         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
630         * workqueue-threads.cc
631         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
632         current thread if its thread number is greater than desired thread
633         count.
634         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
635         Add thread_number parameter.
636         (Workqueue::should_cancel_thread): Likewise.
637         (Workqueue::find_runnable_or_wait): Pass thread_number to
638         should_cancel_thread.
639         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
640         parameter.
642 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
644         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
645         only after checking if it cannot be forced local.
646         * symtab.h (is_externally_visible): Check if the symbol is not forced
647         local.
649 2011-07-15  Ian Lance Taylor  <iant@google.com>
651         * options.h (class General_options): Add --print-output-format.
652         Move -EL next to -EB, for  better --help output.
653         * target-select.cc: Include <cstdio>, "options.h", and
654         "parameters.h".
655         (Target_selector::do_target_bfd_name): New function.
656         (print_output_format): New function.
657         * target-select.h (class Target_selector): Update declarations.
658         (Target_selector::target_bfd_name): New function.
659         (print_output_format): Declare.
660         * main.cc: Include "target-select.h".
661         (main): Handle --print-output-format.
662         * gold.cc: Include "target-select.h".
663         (queue_initial_tasks): Handle --print-output-format when there are
664         no input files.
665         * parameters.cc (parameters_force_valid_target): Give a better
666         error message if -EB/-EL does not match target.
667         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
668         function.
670 2011-07-15  Ian Lance Taylor  <iant@google.com>
672         * i386.cc (class Output_data_plt_i386): Add layout_ field.
673         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
674         (Output_data_plt_i386::do_write): Write address of .dynamic
675         section to first entry in .got.plt section.
676         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
677         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
678         Initialize layout_.
679         (Output_data_plt_x86_64::do_write): Write address of .dynamic
680         section to first entry in .got.plt section.
681         * layout.h (Layout::dynamic_section): New function.
683 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
685         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
686         to claim_file call.
687         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
688         input_section_position_, and input_section_glob_.
689         (read_layout_from_file): Call function section_ordering_specified.
690         * layout.h (is_section_ordering_specified): New function.
691         (section_ordering_specified): New function.
692         (section_ordering_specified_): New boolean member.
693         * main.cc(main): Call load_plugins after layout object is defined.
694         * output.cc (Output_section::add_input_section): Use
695         function section_ordering_specified to check if section ordering is
696         needed.
697         * output.cc (Output_section::add_relaxed_input_section): Use
698         function section_ordering_specified to check if section ordering is
699         needed.
700         (Output_section::update_section_layout): New function.
701         (Output_section::sort_attached_input_sections): Check if input section
702         must be reordered.
703         * output.h (Output_section::update_section_layout): New function.
704         * plugin.cc (get_section_count): New function.
705         (get_section_type): New function.
706         (get_section_name): New function.
707         (get_section_contents): New function.
708         (update_section_order): New function.
709         (allow_section_ordering): New function. 
710         (Plugin::load): Add the new interfaces to the transfer vector.
711         (Plugin_manager::load_plugins): New parameter.
712         (Plugin_manager::all_symbols_read): New parameter.
713         (Plugin_manager::claim_file): New parameter. Save the elf object for
714         unclaimed objects.
715         (Plugin_manager::get_elf_object): New function.
716         (Plugin_manager::get_view): Change to directly use the bool to check
717         if get_view is called from claim_file_hook.
718         * plugin.h (input_objects): New function
719         (Plugin__manager::load_plugins): New parameter.
720         (Plugin_manager::claim_file): New parameter.
721         (Plugin_manager::get_elf_object): New function.
722         (Plugin_manager::in_claim_file_handler): New function.
723         (Plugin_manager::in_claim_file_handler_): New member.
724         (layout): New function.
725         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
726         handler with an extra parameter. Make the elf object before calling
727         claim_file handler.
728         * testsuite/plugin_test.c (get_section_count): New function pointer.
729         (get_section_type): New function pointer.
730         (get_section_name): New function pointer.
731         (get_section_contents): New function pointer.
732         (update_section_order): New function pointer.
733         (allow_section_ordering): New function pointer.
734         (onload): Check if the new interfaces exist.
736 2011-07-13  Ian Lance Taylor  <iant@google.com>
738         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
739         relro section.
740         * x86_64.cc (Target_x86_64::got_section): Likewise.
741         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
742         (relro_now_test_SOURCES): New variable.
743         (relro_now_test_DEPENDENCIES): New variable.
744         (relro_now_test_LDFLAGS): New variable.
745         (relro_now_test_LDADD): New variable.
746         (relro_now_test.so): New target.
747         * testsuite/Makefile.in: Rebuild.
749 2011-07-12  Ian Lance Taylor  <iant@google.com>
751         PR gold/12980
752         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
753         GLOB_DAT relocation rather than a RELATIVE relocation for a
754         protected symbol when creating a shared library.
755         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
756         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
757         * testsuite/protected_main_1.cc (main): Test that protected
758         function has same address.
760 2011-07-11  Ian Lance Taylor  <iant@google.com>
762         PR gold/12979
763         * options.h (class General_options): Add -Bgroup.
764         * options.cc (General_options::finalize): If -Bgroup is set,
765         default to --unresolved-symbols=report-all.
766         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
767         * target-reloc.h (issue_undefined_symbol_error): Handle
768         --unresolved-symbols=report-all.
770 2011-07-08  Ian Lance Taylor  <iant@google.com>
772         PR gold/11985
773         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
774         if linker script discards key sections.
775         (Layout::create_dynamic_symtab): Likewise.
776         (Layout::assign_local_dynsym_offsets): Likewise.
777         (Layout::sized_create_version_sections): Likewise.
778         (Layout::create_interp): Likewise.
779         (Layout::finish_dynamic_section): Likewise.
780         (Layout::set_dynamic_symbol_size): Likewise.
782 2011-07-08  Ian Lance Taylor  <iant@google.com>
784         PR gold/12386
785         * options.h (class General_options): Add --unresolved-symbols.
786         * target-reloc.h (issue_undefined_symbol_error): Check
787         --unresolved-symbols.  Add comments.
789 2011-07-08  Ian Lance Taylor  <iant@google.com>
791         * testsuite/odr_violation2.cc (Ordering::operator()): Make
792         expression more complex.
794 2011-07-08  Ian Lance Taylor  <iant@google.com>
796         PR gold/11317
797         * target-reloc.h (issue_undefined_symbol_error): New inline
798         function, broken out of relocate_section.
799         (relocate_section): Call issue_undefined_symbol_error.
800         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
801         there is no TLS segment if we are about to issue an undefined
802         symbol error.
803         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
805 2011-07-08  Ian Lance Taylor  <iant@google.com>
807         PR gold/12279
808         * resolve.cc (Symbol_table::should_override): Add fromtype
809         parameter.  Change all callers.  Give error when linking together
810         TLS and non-TLS symbol.
811         (Symbol_table::should_override_with_special): Add fromtype
812         parameter.  Change all callers.
813         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
814         there is no TLS segment if we have reported some errors.
815         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
817 2011-07-08  Ian Lance Taylor  <iant@google.com>
819         PR gold/12372
820         * target.h (Target::plt_address_for_global): New function.
821         (Target::plt_address_for_local): New function.
822         (Target::plt_section_for_global): Remove.
823         (Target::plt_section_for_local): Remove.
824         (Target::do_plt_address_for_global): New virtual function.
825         (Target::do_plt_address_for_local): New virtual function.
826         (Target::do_plt_section_for_global): Remove.
827         (Target::do_plt_section_for_local): Remove.
828         (Target::register_global_plt_entry): Add Symbol_table and Layout
829         parameters.
830         * output.cc (Output_data_got::Got_entry::write): Use
831         plt_address_for_global and plt_address_for_local.
832         * layout.cc (Layout::add_target_dynamic_tags): Use size and
833         address of output section.
834         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
835         got_irelative_, and irelative_count_ fields.  Update
836         declarations.
837         (Output_data_plt_i386::has_irelative_section): New function.
838         (Output_data_plt_i386::entry_count): Add irelative_count_.
839         (Output_data_plt_i386::set_final_data_size): Likewise.
840         (class Target_i386): Add got_irelative_ and rel_irelative_
841         fields.  Update declarations.
842         (Target_i386::Target_i386): Initialize new fields.
843         (Target_i386::do_plt_address_for_global): New function replacing
844         do_plt_section_for_global.
845         (Target_i386::do_plt_address_for_local): New function replacing
846         do_plt_section_for_local.
847         (Target_i386::got_section): Create got_irelative_.
848         (Target_i386::rel_irelative_section): New function.
849         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
850         fields.  Don't define __rel_iplt_{start,end}.
851         (Output_data_plt_i386::add_entry): Add symtab and layout
852         parameters.  Change all callers.  Use different PLT and GOT for
853         IFUNC symbols.
854         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
855         layout parameters.  Change all callers.  Use different PLT and
856         GOT.
857         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
858         (Output_data_plt_i386::rel_irelative): New function.
859         (Output_data_plt_i386::address_for_global): New function.
860         (Output_data_plt_i386::address_for_local): New function.
861         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
862         IRELATIVE GOT when changing IFUNC GOT entries.
863         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
864         reloc.
865         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
866         if we didn't create an IRELATIVE GOT.
867         (Target_i386::Relocate::relocate): Use plt_address_for_global and
868         plt_address_for_local.
869         (Target_i386::do_dynsym_value): Use plt_address_for_global.
870         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
871         got_irelative_, and irelative_count_ fields.  Update
872         declarations.
873         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
874         Initialize new fields.  Remove symtab parameter.  Change all
875         callers.
876         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
877         irelative_count_.
878         (Output_data_plt_x86_64::has_irelative_section): New function.
879         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
880         (class Target_x86_64): Add got_irelative_ and rel_irelative_
881         fields.  Update declarations.
882         (Target_x86_64::Target_x86_64): Initialize new fields.
883         (Target_x86_64::do_plt_address_for_global): New function replacing
884         do_plt_section_for_global.
885         (Target_x86_64::do_plt_address_for_local): New function replacing
886         do_plt_section_for_local.
887         (Target_x86_64::got_section): Create got_irelative_.
888         (Target_x86_64::rela_irelative_section): New function.
889         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
890         all callers.  Don't create __rel_iplt_{start,end}.
891         (Output_data_plt_x86_64::add_entry): Add symtab and layout
892         parameters.  Change all callers.  Use different PLT and GOT for
893         IFUNC symbols.
894         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
895         layout parameters.  Change all callers.  Use different PLT and
896         GOT.
897         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
898         parameters.  Change all callers.  Use different PLT and GOT for
899         IFUNC symbols.
900         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
901         (Output_data_plt_x86_64::rela_irelative): New function.
902         (Output_data_plt_x86_64::address_for_global): New function.
903         (Output_data_plt_x86_64::address_for_local): New function.
904         (Output_data_plt_x86_64::set_final_data_size): Likewise.
905         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
906         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
907         (Target_x86_64::register_global_plt_entry): Add symtab and layout
908         parameters.
909         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
910         reloc.
911         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
912         symbols if we didn't create an IRELATIVE GOT.
913         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
914         plt_address_for_local.
915         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
916         * testsuite/ifuncvar1.c: New test file.
917         * testsuite/ifuncvar2.c: New test file.
918         * testsuite/ifuncvar3.c: New test file.
919         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
920         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
921         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
922         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
923         * testsuite/Makefile.in: Rebuild.
925 2011-07-07  Cary Coutant  <ccoutant@google.com>
927         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
928         (two_file_test_1_ndebug.o): Likewise.
929         (two_file_test_1b_ndebug.o): Likewise.
930         (two_file_test_2_ndebug.o): Likewise.
931         (two_file_test_main_ndebug.o): Likewise.
932         (incremental_test_2): Link with no-debug versions.
934 2011-07-06  Cary Coutant  <ccoutant@google.com>
936         * gold/incremental.cc
937         (Output_section_incremental_inputs::write_info_blocks): Check for
938         hidden and internal symbols.
940 2011-07-06  Cary Coutant  <ccoutant@google.com>
942         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
943         Check disposition for startup file.
944         (Incremental_inputs::report_command_line): Ignore
945         --incremental-startup-unchanged option.
946         * options.cc (General_options::parse_incremental_startup_unchanged):
947         New function.
948         (General_options::General_options): Initialize new data member.
949         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
950         (General_options): Add --incremental-startup-unchanged option.
951         (General_options::incremental_startup_disposition): New function.
952         (General_options::incremental_startup_disposition_): New data member.
954 2011-07-06  Cary Coutant  <ccoutant@google.com>
956         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
957         input file index to Script_info ctor.
958         (Sized_incremental_binary::do_file_has_changed): Find the
959         command-line argument for files named in scripts.
960         * incremental.h (Script_info::Script_info): New ctor
961         with input file index.
962         (Script_info::input_file_index): New function.
963         (Script_info::input_file_index_): New data member.
964         (Incremental_binary::get_library): Add const.
965         (Incremental_binary::get_script_info): Add const.
966         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
967         * testsuite/Makefile.am (incremental_test_5): New test case.
968         (incremental_test_6): New test case.
969         * testsuite/Makefile.in: Regenerate.
971 2011-07-06  Cary Coutant  <ccoutant@google.com>
973         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
974         debug output when command lines differ.
976 2011-07-06  Cary Coutant  <ccoutant@google.com>
978         * incremental.cc (Incremental_inputs::report_command_line): Ignore
979         --incremental-patch option.
980         * layout.cc (Free_list::allocate): Extend allocation beyond original
981         end if enabled.
982         (Layout::make_output_section): Mark sections that should get
983         patch space.
984         * options.cc (parse_percent): New function.
985         * options.h (parse_percent): New function.
986         (DEFINE_percent): New macro.
987         (General_options): Add --incremental-patch option.
988         * output.cc (Output_section::Output_section): Initialize new data
989         members.
990         (Output_section::add_input_section): Print section name when out
991         of patch space.
992         (Output_section::add_output_section_data): Likewise.
993         (Output_section::set_final_data_size): Add patch space when
994         doing --incremental-full.
995         (Output_section::do_reset_address_and_file_offset): Remove patch
996         space.
997         (Output_segment::set_section_list_addresses): Print debug output
998         only if --incremental-update.
999         * output.h (Output_section::set_is_patch_space_allowed): New function.
1000         (Output_section::is_patch_space_allowed_): New data member.
1001         (Output_section::patch_space_): New data member.
1002         * parameters.cc (Parameters::incremental_full): New function.
1003         * parameters.h (Parameters::incremental_full): New function
1004         * testsuite/Makefile.am (incremental_test_2): Add test for
1005         --incremental-patch option.
1006         * testsuite/Makefile.in: Regenerate.
1007         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1008         (t18): Remove function body.
1010 2011-07-05  Doug Kwan  <dougkwan@google.com>
1012         PR gold/12771
1013         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1014         Arm_Address type for relocation result.
1015         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1016         overflow check.
1017         (Arm_relocate_functions::abs32): Use unaligned access.
1018         (Arm_relocate_functions::rel32): Ditto.
1019         (Arm_relocate_functions::prel31): Ditto.
1020         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1021         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1022         static data relocations.
1023         * testsuite/Makefile.in: Regnerate.
1024         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1026 2011-07-05  Ian Lance Taylor  <iant@google.com>
1028         PR gold/12392
1029         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1030         symbols if necessary.
1031         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1033 2011-07-05  Ian Lance Taylor  <iant@google.com>
1035         PR gold/12952
1036         * resolve.cc (Symbol::override_base_with_special): Simply override
1037         version with special symbol version, ignoring previous version.
1039 2011-07-05  Ian Lance Taylor  <iant@google.com>
1041         * object.cc (Sized_relobj_file::include_section_group): Add
1042         information to comment about signature location.
1044 2011-07-02  Ian Lance Taylor  <iant@google.com>
1046         PR gold/12957
1047         * options.h (class General_options): Add -f and -F.
1048         * options.cc (General_options::finalize): Fatal error if -f/-F
1049         are used without -shared.
1050         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1052 2011-07-02  Ian Lance Taylor  <iant@google.com>
1054         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1056 2011-07-01  Ian Lance Taylor  <iant@google.com>
1058         PR gold/12525
1059         PR gold/12952
1060         * resolve.cc (Symbol::override_base_with_special): Don't override
1061         the version if the overriding symbol has a different name.
1062         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1063         all callers.  If we give an error about an undefined version,
1064         define the base version if necessary.
1065         * dynobj.h (class Versions): Update declaration.
1066         * testsuite/weak_alias_test_5.cc: New file.
1067         * testsuite/weak_alias_test.script: New file.
1068         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1069         and versioned_alias have the right value, and call t2.
1070         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1071         weak_alias_test_5.so.
1072         (weak_alias_test_LDADD): Likewise.
1073         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1074         * testsuite/Makefile.in: Rebuild.
1076 2011-07-01  Ian Lance Taylor  <iant@google.com>
1078         PR gold/12525
1079         * options.h (class General_options): Support -z notext.
1080         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1081         -Wl,-z,notext.
1082         (two_file_shared_nonpic.so): Likewise.
1083         (two_file_shared_mixed.so): Likewise.
1084         (two_file_shared_mixed_1.so): Likewise.
1085         (weak_undef_lib_nonpic.so): Likewise.
1086         (alt/weak_undef_lib_nonpic.so): Likewise.
1087         (tls_test_shared_nonpic.so): Likewise.
1088         * testsuite/Makefile.in: Rebuild.
1090 2011-07-01  Ian Lance Taylor  <iant@google.com>
1092         PR gold/12525
1093         * configure.ac: Test whether static linking works, setting
1094         the automake conditional HAVE_STATIC.
1095         * testsuite/Makefile.am: Disable tests using -static if
1096         HAVE_STATIC is not true.
1097         * configure, testsuite/Makefile.in: Rebuild.
1099 2011-07-01  Ian Lance Taylor  <iant@google.com>
1101         PR gold/12525
1102         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1103         Assert if we see DW_EH_PE_indirect.
1104         * target.h (Target::ehframe_datarel_base): New function.
1105         (Target::do_ehframe_datarel_base): New target function.
1106         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1107         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1108         function.
1110 2011-07-01  Ian Lance Taylor  <iant@google.com>
1112         PR gold/12571
1113         * options.h (class General_options): Add
1114         --ld-generated-unwind-info.
1115         * ehframe.cc (Fde::write): Add address parameter.  Change all
1116         callers.  If associated with PLT, fill in address and size.
1117         (Cie::set_output_offset): Only add merge mapping if there is an
1118         object.
1119         (Cie::write): Add address parameter.  Change all callers.
1120         (Eh_frame::add_ehframe_for_plt): New function.
1121         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1122         input_offset_ fields into union u_, with new plt field.
1123         (Fde::Fde): Adjust for new union field.
1124         (Fde::Fde) [Output_data version]: New constructor.
1125         (Fde::add_mapping): Only add merge mapping if there is an object.
1126         (class Cie): Update declarations.
1127         (class Eh_frame): Declare add_ehframe_for_plt.
1128         * layout.cc (Layout::layout_eh_frame): Break out code into
1129         make_eh_frame_section, and call it.
1130         (Layout::make_eh_frame_section): New function.
1131         (Layout::add_eh_frame_for_plt): New function.
1132         * layout.h (class Layout): Update declarations.
1133         * merge.cc (Merge_map::add_mapping): Add assertion.
1134         * i386.cc: Include "dwarf.h".
1135         (class Output_data_plt_i386): Make first_plt_entry,
1136         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1137         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1138         and plt_eh_frame_fde.
1139         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1140         boundary.  Call add_eh_frame_for_plt if appropriate.
1141         * x86_64.cc: Include "dwarf.h".
1142         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1143         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1144         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1145         and plt_eh_frame_fde.
1146         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1147         appropriate.
1149 2011-06-29  Ian Lance Taylor  <iant@google.com>
1151         PR gold/12629
1152         * object.cc (Sized_relobj_file::layout_section): Change shdr
1153         parameter to be const.
1154         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1155         out of do_layout.
1156         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1157         appropriate.  Call layout_eh_frame_section.
1158         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1159         sections.
1160         * object.h (class Sized_relobj_file): Update declarations.
1162 2011-06-29  Ian Lance Taylor  <iant@google.com>
1164         PR gold/12652
1165         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1166         modifier.
1167         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1169 2011-06-29  Ian Lance Taylor  <iant@google.com>
1171         PR gold/12675
1172         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1173         SHT_X86_64_UNWIND.
1174         * layout.cc (Layout::layout_eh_frame): Likewise.
1176 2011-06-29  Ian Lance Taylor  <iant@google.com>
1178         PR gold/12695
1179         * layout.cc (Layout::symtab_section_shndx): New function.
1180         * layout.h (class Layout): Declare symtab_section_shndx.
1181         * output.cc (Output_section::write_header): Call it.
1183 2011-06-29  Ian Lance Taylor  <iant@google.com>
1185         PR gold/12818
1186         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1187         symbols which are not used in a relocation.
1189 2011-06-28  Ian Lance Taylor  <iant@google.com>
1191         PR gold/12898
1192         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1193         script create indistinguishable segments.
1194         (Layout::set_segment_offsets): Use stable_sort when sorting
1195         segments.  Pass this to Compare_segments constructor.
1196         * layout.h (class Layout): Make segment_precedes non-static.
1197         (class Compare_segments): Change from struct to class.  Add
1198         layout_ field.  Add constructor.
1199         * script-sections.cc
1200         (Script_sections::attach_sections_using_phdrs_clause): Rename
1201         local orphan to is_orphan.  Don't report failure to put empty
1202         section in segment.  On attachment failure, report name of
1203         section, and attach to first PT_LOAD segment.
1205 2011-06-28  Ian Lance Taylor  <iant@google.com>
1207         PR gold/12934
1208         * target-select.cc (Target_selector::Target_selector): Add
1209         emulation parameter.  Change all callers.
1210         (select_target_by_bfd_name): Rename from select_target_by_name.
1211         Change all callers.
1212         (select_target_by_emulation): New function.
1213         (supported_emulation_names): New function.
1214         * target-select.h (class Target_selector): Add emulation_ field.
1215         Update declarations.
1216         (Target_selector::recognize_by_bfd_name): Rename from
1217         recognize_by_name.  Change all callers.
1218         (Target_selector::supported_bfd_names): Rename from
1219         supported_names.  Change all callers.
1220         (Target_selector::recognize_by_emulation): New function.
1221         (Target_selector::supported_emulations): New function.
1222         (Target_selector::emulation): New function.
1223         (Target_selector::do_recognize_by_bfd_name): Rename from
1224         do_recognize_by_name.  Change all callers.
1225         (Target_selector::do_supported_bfd_names): Rename from
1226         do_supported_names.  Change all callers.
1227         (Target_selector::do_recognize_by_emulation): New function.
1228         (Target_selector::do_supported_emulations): New function.
1229         (select_target_by_bfd_name): Change name in declaration.
1230         (select_target_by_emulation): Declare.
1231         (supported_emulation_names): Declare.
1232         * parameters.cc (parameters_force_valid_target): Try to find
1233         target based on emulation from -m option.
1234         * options.h (class General_options): Change doc string for -m.
1235         * options.cc (help): Print emulations.
1236         (General_options::parse_V): Likewise.
1237         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1238         Add emulation parameter.  Change all callers.
1240 2011-06-28  Ian Lance Taylor  <iant@google.com>
1242         * target.h (class Target): Add osabi_ field.
1243         (Target::osabi): New function.
1244         (Target::set_osabi): New function.
1245         (Target::Target): Initialize osabi_.
1246         (Target::do_adjust_elf_header): Make pure virtual.
1247         (Sized_target::do_adjust_elf_header): Declare.
1248         * target.cc (Sized_target::do_adjust_elf_header): New function.
1249         (class Sized_target): Instantiate all versions.
1250         * freebsd.h (class Target_freebsd): Remove.
1251         (Target_selector_freebsd::do_recognize): Call set_osabi on
1252         Target.
1253         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1254         (Target_selector_freebsd::set_osabi): Remove.
1255         * i386.cc (class Target_i386): Inherit from Sized_target rather
1256         than Target_freebsd.
1257         * x86_64.cc (class Target_x86_64): Likewise.
1259 2011-06-28  Ian Lance Taylor  <iant@google.com>
1261         * target.h (Target::can_check_for_function_pointers): Rewrite.
1262         Make non-virtual.
1263         (Target::can_icf_inline_merge_sections): Likewise.
1264         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1265         (Target::Target_info): Add can_icf_inline_merge_sections field.
1266         (Target::do_can_check_for_function_pointers): New virtual
1267         function.
1268         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1269         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1270         from can_check_for_function_pointers, move in file.
1271         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1272         section_may_have_icf_unsafe_poineters, move in file.
1273         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1274         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1275         Rename from can_check_for_function_pointers, move in file.
1276         (Target_i386::can_icf_inline_merge_sections): Remove.
1277         (Target_i386::i386_info): Initialize
1278         can_icf_inline_merge_sections.
1279         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1280         Initialize can_icf_inline_merge_sections.
1281         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1282         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1283         Rename from can_check_for_function_pointers, move in file.
1284         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1285         (Target_x86_64::x86_64_info): Initialize
1286         can_icf_inline_merge_sections.
1287         * testsuite/testfile.cc (Target_test::test_target_info):
1288         Likewise.
1289         * icf.cc (get_section_contents): Correct formatting.
1291 2011-06-27  Ian Lance Taylor  <iant@google.com>
1293         * symtab.cc (Symbol::versioned_name): New function.
1294         (Symbol_table::add_to_final_symtab): Use versioned_name when
1295         appropriate.
1296         (Symbol_table::sized_write_symbol): Likewise.
1297         * symtab.h (class Symbol): Declare versioned_name.
1298         * stringpool.h (class Stringpool_template): Add variant of add
1299         which takes a std::basic_string.
1300         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1301         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1302         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1303         (ver_test_12.o): New target.
1304         * testsuite/Makefile.in: Rebuild.
1306 2011-06-27  Doug Kwan  <dougkwan@google.com>
1308         * arm.cc (Arm_relocate_functions::thm_jump8,
1309         Arm_relocate_functions::thm_jump11): Use a wider signed
1310         type to compute offset.
1311         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1312         arm_thm_jump8.
1313         * testsuite/Makefile.in: Regenerate.
1314         * testsuite/arm_branch_in_range.sh: Check test results of
1315         arm_thm_jump11 and arm_thm_jump8.
1316         * testsuite/arm_thm_jump11.s: New test source file.
1317         * testsuite/arm_thm_jump11.t: New linker script.
1318         * testsuite/arm_thm_jump8.s: New test source file.
1319         * testsuite/arm_thm_jump8.t: New linker script.
1321 2011-06-24  Ian Lance Taylor  <iant@google.com>
1323         * layout.cc: Include "object.h".
1324         (ctors_sections_in_init_array): New static variable.
1325         (Layout::is_ctors_in_init_array): New function.
1326         (Layout::layout): Add entry to ctors_sections_in_init_array if
1327         appropriate.
1328         * layout.h (class Layout): Declare is_ctors_in_init_array.
1329         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1330         is_ctors_reverse_view is set.
1331         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1332         all callers.  Set is_ctors_reverse_view field of View_size.
1333         (Sized_relobj_file::reverse_words): New function.
1334         * object.h (Sized_relobj_file::View_size): Add
1335         is_ctors_reverse_view field.
1336         (class Sized_relobj_file): Update declarations.
1337         * testsuite/initpri3.c: New test.
1338         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1339         initpri3b.
1340         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1341         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1342         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1343         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1344         * testsuite/Makefile.in: Rebuild.
1346 2011-06-24  Cary Coutant  <ccoutant@google.com>
1348         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1349         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1350         (debug_msg_cdebug.err): New targets.
1351         * testsuite/Makefile.in: Regenerate.
1352         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1353         Fix checks for link with shared library.
1355 2011-06-24  Doug Kwan  <dougkwan@google.com>
1357         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1358         skip empty text sections.
1359         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1361 2011-06-22  Ian Lance Taylor  <iant@google.com>
1363         PR gold/12910
1364         * options.h (class General_options): Add --ctors-in-init-array.
1365         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1366         friends as SHT_PROGBITS for merging sections.
1367         (Layout::layout): Remove special handling of .init_array and
1368         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1369         and .dtors if ctors_in_init_array.
1370         (Layout::make_output_section): Force correct section types for
1371         .init_array and friends.  Don't sort if doing relocatable link,
1372         Don't sort .ctors and .dtors if ctors_in_init_array.
1373         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1374         (Layout::output_section_name): Add relobj parameter.  Change all
1375         callers.  Handle .ctors. and .dtors. in code rather than table.
1376         Handle .ctors and .dtors if ctors_in_init_array.
1377         (Layout::match_file_name): New function, moved from output.cc.
1378         * layout.h (class Layout): Update declarations.
1379         * output.cc: Include "layout.h".
1380         (Input_section_sort_entry::get_priority): New function.
1381         (Input_section_sort_entry::match_file_name): Just call
1382         Layout::match_file_name.
1383         (Output_section::Input_section_sort_init_fini_compare::operator()):
1384         Handle .ctors and .dtors.  Sort by explicit priority rather than
1385         by name.
1386         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1387         * testsuite/initpri2.c: New test.
1388         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1389         (check_PROGRAMS): Add initpri2.
1390         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1391         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1392         * configure, testsuite/Makefile.in: Rebuild.
1394 2011-06-19  Ian Lance Taylor  <iant@google.com>
1396         PR gold/12880
1397         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1398         .interp section to a PT_INTERP segment even if we have seen a
1399         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1400         clause in a linker script.
1401         (Layout::finalize): Don't create a .interp section if we've
1402         already create a PT_INTERP segment.
1403         (Layout::create_interp): Always call choose_output_section (revert
1404         patch of 2011-06-17).  Don't create PT_INTERP segment.
1405         * script-sections.cc
1406         (Script_sections::create_note_and_tls_segments): Add a .interp
1407         section to a PT_INTERP segment even if we have seen a
1408         --dynamic-linker option.
1410 2011-06-18  Ian Lance Taylor  <iant@google.com>
1412         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1413         merely because a non-PT_LOAD segment has a dynamic reloc.
1415 2011-06-18  Ian Lance Taylor  <iant@google.com>
1417         * layout.cc (Layout::finish_dynamic_section): Don't create
1418         DT_FLAGS entry if not needed.
1420 2011-06-18  Ian Lance Taylor  <iant@google.com>
1422         PR gold/12745
1423         * layout.cc (Layout::layout_eh_frame): Correct handling of
1424         writable .eh_frame section.
1426 2011-06-17  Ian Lance Taylor  <iant@google.com>
1428         PR gold/12893
1429         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1430         symbol is redefined with the exact same object and value.
1432 2011-06-17  Ian Lance Taylor  <iant@google.com>
1434         PR gold/12880
1435         * layout.h (class Layout): Add interp_segment_ field.
1436         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1437         (Layout::attach_allocated_section_to_segment): If making shared
1438         library, put .interp section in PT_INTERP segment.
1439         (Layout::finalize): Also call create_interp if -dynamic-linker
1440         option was used.
1441         (Layout::create_interp): Assert that there is no PT_INTERP
1442         segment.  If not using a SECTIONS clause, use make_output_section.
1443         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1444         * script-sections.cc
1445         (Script_sections::create_note_and_tls_segments): If making shared
1446         library, put .interp section in PT_INTERP segment.
1448 2011-06-17  Ian Lance Taylor  <iant@google.com>
1450         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1451         when making a shared library.
1453 2011-06-17  Ian Lance Taylor  <iant@google.com>
1455         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1456         parameter.  Change all callers.  Don't issue warning about PC32
1457         against locally defined symbol.
1459 2011-06-16  Ian Lance Taylor  <iant@google.com>
1461         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1462         occurs in same object.
1464 2011-06-14  Alan Modra  <amodra@gmail.com>
1466         * po/POTFILES.in: Regenerate.
1468 2011-06-09  Ian Lance Taylor  <iant@google.com>
1470         * script-sections.cc
1471         (Orphan_output_section::set_section_addresses): For a relocatable
1472         link set address to 0.
1474 2011-06-09  Cary Coutant  <ccoutant@google.com>
1476         PR gold/12804
1477         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1478         used with --compress-debug-sections.
1479         * gold/object.cc (Sized_relobj_file::do_layout): Report
1480         uncompressed size of compressed input sections.
1482 2011-06-08  Cary Coutant  <ccoutant@google.com>
1484         PR gold/12804
1485         * testsuite/two_file_test_2_v1.cc: Change initialization of
1486         v2 to keep it in .data.
1488 2011-06-07  Cary Coutant  <ccoutant@google.com>
1490         * common.cc (Symbol_table::do_allocate_commons_list): Call
1491         gold_fallback.
1492         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1493         (Errors::fallback): New function.
1494         (gold_fallback): New function.
1495         * errors.h (Errors::fallback): New function.
1496         * gold.cc (gold_exit): Change status parameter to enum; adjust
1497         all callers.
1498         (queue_initial_tasks): Call gold_fallback.
1499         * gold.h: Include cstdlib.
1500         (Exit_status): New enum type.
1501         (gold_exit): Change status parameter to enum.
1502         (gold_fallback): New function.
1503         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1504         (Layout::create_symtab_sections): Likewise.
1505         (Layout::create_shdrs): Likewise.
1506         * main.cc (main): Adjust call to gold_exit.
1507         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1508         (Output_data_got::add_got_entry_pair): Likewise.
1509         (Output_section::add_input_section): Likewise.
1510         (Output_section::add_output_section_data): Likewise.
1511         (Output_segment::set_section_list_addresses): Likewise.
1512         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1514 2011-06-07  Cary Coutant  <ccoutant@google.com>
1516         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1517         for incremental links.
1518         * output.cc (Output_segment::set_section_list_addresses): Remove
1519         FIXME and test for TLS or BSS.
1521 2011-06-07  Cary Coutant  <ccoutant@google.com>
1523         * testsuite/Makefile.am: Add incremental_copy_test,
1524         incremental_common_test_1.
1525         * testsuite/Makefile.in: Regenerate.
1526         * testsuite/common_test_1_v1.c: New source file.
1527         * testsuite/common_test_1_v2.c: New source file.
1528         * testsuite/copy_test_v1.cc: New source file.
1530 2011-06-07  Cary Coutant  <ccoutant@google.com>
1532         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1533         update, allocate common from bss section's free list.
1534         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1535         linker-defined symbols.
1536         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1537         Skip GOT and PLT entries that are no longer referenced.
1538         (Output_section_incremental_inputs::write_info_blocks): Mark
1539         linker-defined symbols.
1540         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1541         * output.cc (Output_section::allocate): New function.
1542         * output.h (Output_section::allocate): New function.
1543         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1544         linker-defined symbols.
1545         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1546         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1547         (Symbol::init_base_output_data): Likewise.
1548         (Symbol::init_base_output_segment): Likewise.
1549         (Symbol::init_base_constant): Likewise.
1550         (Sized_symbol::init_output_data): Likewise.
1551         (Sized_symbol::init_output_segment): Likewise.
1552         (Sized_symbol::init_constant): Likewise.
1553         (Symbol_table::do_define_in_output_data): Likewise.
1554         (Symbol_table::do_define_in_output_segment): Likewise.
1555         (Symbol_table::do_define_as_constant): Likewise.
1556         * symtab.h (Symbol::is_predefined): New function.
1557         (Symbol::init_base_output_data): Add is_predefined parameter.
1558         (Symbol::init_base_output_segment): Likewise.
1559         (Symbol::init_base_constant): Likewise.
1560         (Symbol::is_predefined_): New data member.
1561         (Sized_symbol::init_output_data): Add is_predefined parameter.
1562         (Sized_symbol::init_output_segment): Likewise.
1563         (Sized_symbol::init_constant): Likewise.
1564         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1566 2011-06-07  Cary Coutant  <ccoutant@google.com>
1568         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1569         instead of emit_copy_reloc.
1570         (Copy_relocs::emit_copy_reloc): Refactor.
1571         (Copy_relocs::make_copy_reloc): New function.
1572         (Copy_relocs::add_copy_reloc): Remove.
1573         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1574         section.
1575         (Copy_relocs::make_copy_reloc): New function.
1576         (Copy_relocs::add_copy_reloc): Remove.
1577         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1578         unchanged input files.
1579         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1580         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1581         Reserve BSS space for COPY relocations.
1582         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1583         (Output_section_incremental_inputs::write_info_blocks): Record
1584         whether a symbol is copied from a shared object.
1585         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1586         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1587         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1588         (Incremental_input_entry_reader::get_output_symbol_index): Add
1589         is_copy parameter.
1590         (Incremental_binary::emit_copy_relocs): New function.
1591         (Incremental_binary::do_emit_copy_relocs): New function.
1592         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1593         new data member.
1594         (Sized_incremental_binary::add_copy_reloc): New function.
1595         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1596         (Sized_incremental_binary::Copy_reloc): New struct.
1597         (Sized_incremental_binary::Copy_relocs): New typedef.
1598         (Sized_incremental_binary::copy_relocs_): New data member.
1599         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1600         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1601         * target.h (Sized_target::emit_copy_reloc): New function.
1602         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1604 2011-06-02  Cary Coutant  <ccoutant@google.com>
1606         PR gold/12163
1607         * gold/archive.cc (Archive::Archive): Initialize new data member.
1608         (Archive::include_all_members): Return if archive has already been
1609         included.
1610         * gold/archive.h (Archive::include_all_members_): New data member.
1612 2011-06-02  Nick Clifton  <nickc@redhat.com>
1614         * dynobj.h: Fix spelling mistake in comment.
1615         * output.cc: Likewise.
1617 2011-05-31  Doug Kwan  <dougkwan@google.com>
1618             Asier Llano
1620         PR gold/12826
1621         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1622         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1623         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1624         redundant arm_exidx_test.so.
1625         * testsuite/Makefile.in: Regenerate.
1626         (check_SCRIPTS): Add pr12826.sh
1627         (check_DATA): Add pr12826.stdout
1628         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1629         * testsuite/pr12826.sh: New file.
1630         * testsuite/pr12826_1.s: Ditto.
1631         * testsuite/pr12826_1.s: Ditto.
1633 2011-05-30  Ian Lance Taylor  <iant@google.com>
1635         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1636         sections.
1638 2011-05-29  Ian Lance Taylor  <iant@google.com>
1640         PR gold/12804
1641         * testsuite/Makefile.am: Use different file name for two_file_test
1642         temporary file for each incremental test.
1643         * testsuite/Makefile.in: Rebuild.
1645 2011-05-29  Ian Lance Taylor  <iant@google.com>
1647         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1648         binary input file is empty.
1650 2011-05-27  Ian Lance Taylor  <iant@google.com>
1652         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1653         (ver_test_9.so): Likewise.
1654         * testsuite/Makefile.in: Rebuild.
1656 2011-05-26 Cary Coutant  <ccoutant@google.com>
1658         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1659         * incremental.cc (Incremental_inputs::report_input_section): Fix
1660         comment, indentation.
1661         (Incremental_inputs::report_comdat_group): New function.
1662         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1663         of data for incremental input file entry.
1664         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1665         group count, COMDAT group signatures.
1666         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1667         an unchanged input file.
1668         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1669         Initialize new data member.
1670         (Incremental_object_entry::add_comdat_group): New function.
1671         (Incremental_object_entry::get_comdat_group_count): New function.
1672         (Incremental_object_entry::get_comdat_signature_key): New function.
1673         (Incremental_object_entry::groups_): New data member.
1674         (Incremental_inputs::report_comdat_group): New function.
1675         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1676         data for incremental input file entry.
1677         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1678         (Incremental_input_entry_reader::get_input_section): Adjust size of
1679         data for incremental input file entry.
1680         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1681         (Incremental_input_entry_reader::get_comdat_group_signature): New
1682         function.
1683         * object.cc (Sized_relobj::include_section_group): Report kept
1684         COMDAT groups for incremental links.
1686 2011-05-24  David Meyer  <pdox@google.com>
1688         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1689         with name parameter.  Add found_name parameter.
1690         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1691         * dirsearch.h (class Dirsearch): Update declaration.
1693 2011-05-24  Ian Lance Taylor  <iant@google.com>
1695         * archive.cc (Library_base::should_include_member): Pull in object
1696         from archive if it defines the entry symbol.
1697         * parameters.cc (Parameters::entry): New function.
1698         * parameters.h (class Parameters): Declare entry.
1699         * output.h (class Output_file_header): Remove entry_ field.
1700         * output.cc (Output_file_header::Output_file_header): Remove entry
1701         parameter.  Change all callers.
1702         (Output_file_header::entry): Use parameters->entry.
1703         * gold.cc (queue_middle_tasks): Likewise.
1704         * plugin.cc (Plugin_hook::run): Likewise.
1706 2011-05-24 Cary Coutant  <ccoutant@google.com>
1708         * gold.cc (queue_initial_tasks): Pass incremental base filename
1709         to Output_file::open_base_file; don't print error message.
1710         * incremental-dump.cc (main): Adjust call to
1711         Output_file::open_for_modification.
1712         * incremental-dump.cc (main): Likewise.
1713         * incremental.cc (Incremental_inputs::report_command_line):
1714         Ignore --incremental-base option when comparing command lines.
1715         Ignore parameter when given as separate argument.
1716         * options.h (class General_options): Add --incremental-base.
1717         * output.cc (Output_file::Output_file):
1718         (Output_file::open_base_file): Add base_name and writable parameters;
1719         read base file into new file; print error message here.
1720         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1721         callers.
1722         * output.h (Output_file::open_for_modification): Rename to...
1723         (Output_file::open_base_file): ...this; add base_name and
1724         writable parameters; adjust all callers.
1725         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1726         callers.
1727         * testsuite/Makefile.am (incremental_test_4): Test
1728         --incremental-base.
1729         * testsuite/Makefile.in: Regenerate.
1731 2011-05-24 Cary Coutant  <ccoutant@google.com>
1733         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1734         incremental_test_4.
1735         * testsuite/Makefile.in: Regenerate.
1736         * testsuite/two_file_test_1_v1.cc: New test source file.
1737         * testsuite/two_file_test_1b_v1.cc: New test source file.
1738         * testsuite/two_file_test_2_v1.cc: New test source file.
1740 2011-05-24 Cary Coutant  <ccoutant@google.com>
1742         * dynobj.h (Dynobj::do_dynobj): New function.
1743         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1744         flag and soname for shared objects.
1745         * incremental.cc (Incremental_inputs::report_object): Make
1746         either Incremental_object_entry or Incremental_dynobj_entry; add
1747         soname to string table.
1748         (Incremental_inputs::report_input_section): Add assertion.
1749         (Output_section_incremental_inputs::set_final_data_size): Adjust
1750         type of input file entry for shared libraries; adjust size of
1751         shared library info entry.
1752         (Output_section_incremental_inputs::write_input_files): Write
1753         as_needed flag for shared libraries.
1754         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1755         of input file entry for shared libraries; write soname.
1756         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1757         soname from incremental info.
1758         * incremental.h (enum Incremental_input_flags): Add
1759         INCREMENTAL_INPUT_AS_NEEDED.
1760         (Incremental_input_entry::Incremental_input_entry): Initialize new
1761         data member.
1762         (Incremental_input_entry::set_as_needed): New function.
1763         (Incremental_input_entry::as_needed): New function.
1764         (Incremental_input_entry::do_dynobj_entry): New function.
1765         (Incremental_input_entry::as_needed_): New data member.
1766         (Incremental_object_entry::Incremental_object_entry): Don't check
1767         for shared library.
1768         (Incremental_object_entry::do_type): Likewise.
1769         (class Incremental_dynobj_entry): New class.
1770         (Incremental_input_entry_reader::as_needed): New function.
1771         (Incremental_input_entry_reader::get_soname): New function.
1772         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1773         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1774         size of shared library info entry.
1775         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1776         incremental link when adding DT_NEEDED entries.
1777         * object.h (Object::Object): Initialize new data member.
1778         (Object::dynobj): New function.
1779         (Object::set_as_needed): New function.
1780         (Object::as_needed): New function.
1781         (Object::do_dynobj): New function.
1782         (Object::as_needed_): New data member.
1784 2011-05-24 Cary Coutant  <ccoutant@google.com>
1786         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1787         info; adjust display of GOT entries.
1788         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1789         vector of input objects; remove file_status_.
1790         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1791         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1792         got_plt reader; call target hooks to reserve GOT entries.
1793         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1794         of input file info header and GOT info entry.
1795         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1796         relocation info.
1797         (Got_plt_view_info::got_descriptor): Remove.
1798         (Got_plt_view_info::sym_index): New data member.
1799         (Got_plt_view_info::input_index): New data member.
1800         (Local_got_offset_visitor::visit): Write input file index.
1801         (Global_got_offset_visitor::visit): Write 0 for input file index.
1802         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1803         with sym_index and input_index.
1804         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1805         incremental info GOT entry; replace got_descriptor with input_index.
1806         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1807         map from input file index to object.
1808         (Sized_relobj_incr::do_layout): Replace direct data member reference
1809         with accessor function.
1810         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1811         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1812         Adjust size of input file info header.
1813         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1814         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1815         (Incremental_input_entry_reader::get_input_section): Adjust size of
1816         input file info header.
1817         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1818         of incremental info GOT entry.
1819         (Incremental_got_plt_reader::get_got_desc): Remove.
1820         (Incremental_got_plt_reader::get_got_symndx): New function.
1821         (Incremental_got_plt_reader::get_got_input_index): New function.
1822         (Sized_incremental_binary::Sized_incremental_binary): Remove
1823         file_status_; add input_objects_.
1824         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1825         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1826         (Sized_incremental_binary::file_is_unchanged): Remove.
1827         (Sized_incremental_binary::set_input_object): New function.
1828         (Sized_incremental_binary::input_object): New function.
1829         (Sized_incremental_binary::file_status_): Remove.
1830         (Sized_incremental_binary::input_objects_): New data member.
1831         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1832         references.
1833         (Sized_relobj_incr::invalid_address): Move to base class.
1834         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1835         class.
1836         (Sized_relobj_incr::do_output_section_offset): Likewise.
1837         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1838         (Sized_relobj_incr::section_offsets_): Likewise.
1839         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1840         function.
1841         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1842         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1843         with accessor function.
1844         (Sized_relobj_file::do_layout): Likewise.
1845         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1846         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1847         (Sized_relobj_file::compute_final_local_value): Replace refs to
1848         section_offsets_ with accessor function.
1849         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1850         * object.h (Relobj::Relobj): Initialize new data members.
1851         (Relobj::add_dyn_reloc): New function.
1852         (Relobj::first_dyn_reloc): New function.
1853         (Relobj::dyn_reloc_count): New function.
1854         (Relobj::first_dyn_reloc_): New data member.
1855         (Relobj::dyn_reloc_count_): New data member.
1856         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1857         references.
1858         (Sized_relobj::Address): New typedef.
1859         (Sized_relobj::invalid_address): Move here from child class.
1860         (Sized_relobj::Sized_relobj): Initialize new data members.
1861         (Sized_relobj::sized_relobj): New function.
1862         (Sized_relobj::is_output_section_offset_invalid): Move here from
1863         child class.
1864         (Sized_relobj::get_output_section_offset): Likewise.
1865         (Sized_relobj::local_has_got_offset): Likewise.
1866         (Sized_relobj::local_got_offset): Likewise.
1867         (Sized_relobj::set_local_got_offset): Likewise.
1868         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1869         (Sized_relobj::clear_got_offsets): New function.
1870         (Sized_relobj::section_offsets): Move here from child class.
1871         (Sized_relobj::do_output_section_offset): Likewise.
1872         (Sized_relobj::do_set_section_offset): Likewise.
1873         (Sized_relobj::Local_got_offsets): Likewise.
1874         (Sized_relobj::local_got_offsets_): Likewise.
1875         (Sized_relobj::section_offsets_): Likewise.
1876         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1877         references.
1878         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1879         class.
1880         (Sized_relobj_file::sized_relobj): New function
1881         (Sized_relobj_file::local_has_got_offset): Move to base class.
1882         (Sized_relobj_file::local_got_offset): Likewise.
1883         (Sized_relobj_file::set_local_got_offset): Likewise.
1884         (Sized_relobj_file::get_output_section_offset): Likewise.
1885         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1886         (Sized_relobj_file::do_output_section_offset): Likewise.
1887         (Sized_relobj_file::do_set_section_offset): Likewise.
1888         (Sized_relobj_file::Local_got_offsets): Likewise.
1889         (Sized_relobj_file::local_got_offsets_): Likewise.
1890         (Sized_relobj_file::section_offsets_): Likewise.
1891         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1892         (all constructors).
1893         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1894         (Output_reloc::get_symbol_index): Likewise.
1895         (Output_reloc::local_section_offset): Likewise.
1896         (Output_reloc::get_address): Likewise.
1897         (Output_reloc::symbol_value): Likewise.
1898         (Output_data_got::reserve_slot): Move to class definition.
1899         (Output_data_got::reserve_local): New function.
1900         (Output_data_got::reserve_slot_for_global): Remove.
1901         (Output_data_got::reserve_global): New function.
1902         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1903         (all constructors, two instantiations).
1904         (Output_reloc::get_relobj): New function (two instantiations).
1905         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1906         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1907         (Output_data_reloc::add_global): Adjust type of relobj.
1908         (Output_data_reloc::add_global_relative): Likewise.
1909         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1910         (Output_data_reloc::add_local): Likewise.
1911         (Output_data_reloc::add_local_relative): Likewise.
1912         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1913         (Output_data_reloc::add_local_section): Likewise.
1914         (Output_data_reloc::add_output_section): Likewise.
1915         (Output_data_reloc::add_absolute): Likewise.
1916         (Output_data_reloc::add_target_specific): Likewise.
1917         (Output_data_got::reserve_slot): Move definition here.
1918         (Output_data_got::reserve_local): New function.
1919         (Output_data_got::reserve_global): New function.
1920         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1921         section_offsets_ with accessor function.
1922         (Sized_relobj_file::write_sections): Likewise.
1923         (Sized_relobj_file::do_relocate_sections): Likewise.
1924         * target.h (Sized_target::reserve_local_got_entry): New function.
1925         (Sized_target::reserve_global_got_entry): New function.
1926         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1927         (Target_x86_64::reserve_global_got_entry): New function.
1928         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1930 2011-05-23 Cary Coutant  <ccoutant@google.com>
1932         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1933         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1934         bit when checking got_type.
1935         * incremental.cc (Sized_incremental_binary::setup_readers):
1936         Store symbol table and string table locations; initialize bit vector
1937         of file status flags.
1938         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1939         unchanged files.
1940         (Sized_incremental_binary::do_process_got_plt): New function.
1941         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1942         (Output_section_incremental_inputs::set_final_data_size): Record
1943         file index for each input file.
1944         (Output_section_incremental_inputs::write_got_plt): Store file index
1945         instead of input entry offset for each GOT entry.
1946         * incremental.h
1947         (Incremental_input_entry::Incremental_input_entry): Initialize new
1948         data member.
1949         (Incremental_input_entry::set_offset): Store file index.
1950         (Incremental_input_entry::get_file_index): New function.
1951         (Incremental_input_entry::file_index_): New data member.
1952         (Incremental_binary::process_got_plt): New function.
1953         (Incremental_binary::do_process_got_plt): New function.
1954         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1955         data members.
1956         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1957         (Sized_incremental_binary::set_file_is_unchanged): New function.
1958         (Sized_incremental_binary::file_is_unchanged): New function.
1959         (Sized_incremental_binary::do_process_got_plt): New function.
1960         (Sized_incremental_binary::file_status_): New data member.
1961         (Sized_incremental_binary::main_symtab_loc_): New data member.
1962         (Sized_incremental_binary::main_strtab_loc_): New data member.
1963         * output.cc (Output_data_got::Got_entry::write): Add case
1964         RESERVED_CODE.
1965         (Output_data_got::add_global): Call add_got_entry.
1966         (Output_data_got::add_global_plt): Likewise.
1967         (Output_data_got::add_global_with_rel): Likewise.
1968         (Output_data_got::add_global_with_rela): Likewise.
1969         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1970         (Output_data_got::add_global_pair_with_rela): Likewise.
1971         (Output_data_got::add_local): Call add_got_entry.
1972         (Output_data_got::add_local_plt): Likewise.
1973         (Output_data_got::add_local_with_rel): Likewise.
1974         (Output_data_got::add_local_with_rela): Likewise.
1975         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1976         (Output_data_got::add_local_pair_with_rela): Likewise.
1977         (Output_data_got::reserve_slot): New function.
1978         (Output_data_got::reserve_slot_for_global): New function.
1979         (Output_data_got::add_got_entry): New function.
1980         (Output_data_got::add_got_entry_pair): New function.
1981         (Output_section::add_output_section_data): Edit FIXME.
1982         * output.h
1983         (Output_section_data_build::Output_section_data_build): New
1984         constructor with size parameter.
1985         (Output_data_space::Output_data_space): Likewise.
1986         (Output_data_got::Output_data_got): Initialize new data member; new
1987         constructor with size parameter.
1988         (Output_data_got::add_constant): Call add_got_entry.
1989         (Output_data_got::reserve_slot): New function.
1990         (Output_data_got::reserve_slot_for_global): New function.
1991         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1992         (Output_data_got::add_got_entry): New function.
1993         (Output_data_got::add_got_entry_pair): New function.
1994         (Output_data_got::free_list_): New data member.
1995         * target.h (Sized_target::init_got_plt_for_update): New function.
1996         (Sized_target::register_global_plt_entry): New function.
1997         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1998         Initialize new data member; call init; add constructor with PLT count.
1999         (Output_data_plt_x86_64::init): New function.
2000         (Output_data_plt_x86_64::add_relocation): New function.
2001         (Output_data_plt_x86_64::reserve_slot): New function.
2002         (Output_data_plt_x86_64::free_list_): New data member.
2003         (Target_x86_64::init_got_plt_for_update): New function.
2004         (Target_x86_64::register_global_plt_entry): New function.
2005         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2006         incremental updates.
2007         (Output_data_plt_x86_64::add_relocation): New function.
2008         * testsuite/object_unittest.cc (Object_test): Set default options.
2010 2011-05-16  Ian Lance Taylor  <iant@google.com>
2012         * options.h (class General_options): Make -i a synonym for -r.
2014 2011-05-16  Ian Lance Taylor  <iant@google.com>
2016         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2018 2011-05-10 Cary Coutant  <ccoutant@google.com>
2020         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2021         strip_all (-s).
2023 2011-05-06  Ian Lance Taylor  <iant@google.com>
2025         * layout.cc (Layout::layout): If the output section flags change,
2026         update the ordering.
2028 2011-04-25 Cary Coutant  <ccoutant@google.com>
2030         * incremental-dump.cc (dump_incremental_inputs): Print local
2031         symbol info for each input file.
2032         * incremental.cc
2033         (Output_section_incremental_inputs::set_final_data_size): Add local
2034         symbol info to input file entries in incremental info.
2035         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2036         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2037         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2038         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2039         implementation.
2040         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2041         (Sized_incr_relobj::do_relocate): Write the local symbols.
2042         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2043         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2044         Adjust size of input file header.
2045         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2046         (Incremental_inputs_reader::get_local_symbol_count): New function.
2047         (Incremental_inputs_reader::get_input_section): Adjust size of input
2048         file header.
2049         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2050         (Sized_incr_relobj::This): New typedef.
2051         (Sized_incr_relobj::sym_size): New const data member.
2052         (Sized_incr_relobj::Local_symbol): New struct.
2053         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2054         (Sized_incr_relobj::do_local_symbol_offset): New function.
2055         (Sized_incr_relobj::local_symbol_count_): New data member.
2056         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2057         (Sized_incr_relobj::local_symbol_index_): New data member.
2058         (Sized_incr_relobj::local_symbol_offset_): New data member.
2059         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2060         (Sized_incr_relobj::local_symbols_): New data member.
2061         * object.h (Relobj::output_local_symbol_count): New function.
2062         (Relobj::local_symbol_offset): New function.
2063         (Relobj::do_output_local_symbol_count): New function.
2064         (Relobj::do_local_symbol_offset): New function.
2065         (Sized_relobj::do_output_local_symbol_count): New function.
2066         (Sized_relobj::do_local_symbol_offset): New function.
2068 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2070         * descriptors.cc (set_close_on_exec): New function.
2071         (Descriptors::open): Use set_close_on_exec.
2072         * output.cc (S_ISLNK): Define if not defined.
2074 2011-04-22 Cary Coutant  <ccoutant@google.com>
2076         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2077         global symbol map.
2078         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2079         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2080         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2081         relocations.
2082         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2083         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2084         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2085         * incremental.h
2086         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2087         function.
2088         (Incremental_binary::apply_incremental_relocs): New function.
2089         (Incremental_binary::do_apply_incremental_relocs): New function.
2090         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2091         data member.
2092         (Sized_incremental_binary::add_global_symbol): New function.
2093         (Sized_incremental_binary::global_symbol): New function.
2094         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2095         (Sized_incremental_binary::symbol_map_): New data member.
2096         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2097         * target.h (Sized_target::apply_relocation): New function.
2098         * target-reloc.h (apply_relocation): New function.
2099         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2101 2011-04-22  Doug Kwan  <dougkwan@google.com>
2103         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2104         flag of a SHT_ARM_EXIDX section.
2105         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2106         * testsuite/Makefile.in: Regenerate.
2107         * testsuite/arm_exidx_test.s: New file.
2108         * testsuite/arm_exidx_test.sh: Same.
2110 2011-04-20 Cary Coutant  <ccoutant@google.com>
2112         PR gold/12689
2113         * archive.h (Incremental_archive_entry::Archive_member):
2114         Initialize arg_serial_ (second constructor).
2116 2011-04-17  Ian Lance Taylor  <iant@google.com>
2118         * object.cc (Relocate_info::location): Simplify location string.
2119         * errors.cc (Errors::error_at_location): Don't print program
2120         name.
2121         (Errors::warning_at_location): Likewise.
2122         (Errors::undefined_symbol): Likewise.
2123         * testsuite/debug_msg.sh: Update accordingly.
2125 2011-04-14 Cary Coutant  <ccoutant@google.com>
2127         * gold/layout.cc (Layout::symtab_section_offset): New function.
2128         * gold/layout.h (Layout::symtab_section_offset): New function.
2129         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2131 2011-04-12  Ian Lance Taylor  <iant@google.com>
2133         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2134         with MREMAP_MAYMOVE.
2135         * output.h (class Output_file): Add map_is_allocated_ field.
2136         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2137         not available, provide stubs.  If mremap is not available, #define
2138         it to gold_mremap.
2139         (MREMAP_MAYMOVE): Define if not defined.
2140         (Output_file::Output_file): Initialize map_is_allocated_.
2141         (Output_file::resize): Check map_is_allocated_.
2142         (Output_file::map_anonymous): If mmap fails, use malloc.
2143         (Output_file::unmap): Don't do anything for an anonymous map.
2144         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2145         is not available, provide stubs.
2146         (File_read::View::~View): Use free rather than delete[].
2147         (File_read::make_view): Use malloc rather than new[].  If mmap
2148         fails, use malloc.
2149         (File_read::find_or_make_view): Use malloc rather than new[].
2150         * gold.h: Remove HAVE_REMAP code.
2151         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2152         exists.  Rename mremap to gold_mremap.  If mmap is not available
2153         don't do anything.
2154         * configure, config.in: Rebuild.
2156 2011-04-11  Ian Lance Taylor  <iant@google.com>
2158         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2159         initialize local variable v.
2161 2011-04-11  Cary Coutant  <ccoutant@google.com>
2163         * archive.cc (Archive::include_member): Adjust call to
2164         report_object.
2165         (Add_archive_symbols::run): Track argument serial numbers.
2166         (Lib_group::include_member): Likewise.
2167         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2168         * archive.h (Incremental_archive_entry::Archive_member):
2169         Initialize arg_serial_.
2170         (Archive_member::arg_serial_): New data member.
2171         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2172         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2173         incremental link.
2174         (Sized_dynobj::do_for_all_local_got_entries): New function.
2175         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2176         function.
2177         * fileread.cc (get_mtime): New function.
2178         * fileread.h (get_mtime): New function.
2179         * gold.cc (queue_initial_tasks): Check for incremental update.
2180         (process_incremental_input): New function.
2181         (queue_middle_tasks): Don't force valid target for incremental
2182         update.
2183         * incremental-dump.cc (find_input_containing_global): Adjust
2184         size of symbol info entry.
2185         (dump_incremental_inputs): Dump argument serial number and
2186         in_system_directory flag; bias shndx by 1; print symbol names
2187         when dumping per-file symbol lists; use new symbol info readers.
2188         * incremental.cc
2189         (Output_section_incremental_inputs:update_data_size): New function.
2190         (Sized_incremental_binary::setup_readers): Setup input readers
2191         for each input file; build maps for files added from libraries
2192         and scripts.
2193         (Sized_incremental_binary::check_input_args): New function.
2194         (Sized_incremental_binary::do_check_inputs): Build map of argument
2195         serial numbers to input arguments.
2196         (Sized_incremental_binary::do_file_has_changed): Rename
2197         do_file_is_unchanged to this; compare file modification times.
2198         (Sized_incremental_binary::do_init_layout): New function.
2199         (Sized_incremental_binary::do_reserve_layout): New function.
2200         (Sized_incremental_binary::do_get_input_reader): Remove.
2201         (Sized_incremental_binary::get_symtab_view): New function.
2202         (Incremental_checker::can_incrementally_link_output_file): Remove.
2203         (Incremental_inputs::report_command_line): Exclude --debug options.
2204         (Incremental_inputs::report_archive_begin): Add parameter; track
2205         argument serial numbers; don't put input file entry for archive
2206         before archive members.
2207         (Incremental_inputs::report_archive_end): Put input file entry
2208         for archive after archive members.
2209         (Incremental_inputs::report_object): Add parameter; track argument
2210         serial numbers and in_system_directory flag.
2211         (Incremental_inputs::report_script): Add parameter; track argument
2212         serial numbers.
2213         (Output_section_incremental_inputs::set_final_data_size): Adjust
2214         size of symbol info entry; check for forwarding symbols.
2215         (Output_section_incremental_inputs::write_input_files): Write
2216         in_system_directory flag and argument serial number.
2217         (Output_section_incremental_inputs::write_info_blocks): Map section
2218         indices between incremental info and original input file; store
2219         input section index for each symbol.
2220         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2221         change operator() to visit().
2222         (class Global_got_offset_visitor): Likewise.
2223         (class Global_symbol_visitor_got_plt):
2224         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2225         classes.
2226         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2227         (Sized_incr_relobj::do_read_symbols): New function.
2228         (Sized_incr_relobj::do_layout): New function.
2229         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2230         (Sized_incr_relobj::do_add_symbols): New function.
2231         (Sized_incr_relobj::do_should_include_member): New function.
2232         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2233         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2234         (Sized_incr_relobj::do_section_size): New function.
2235         (Sized_incr_relobj::do_section_name): New function.
2236         (Sized_incr_relobj::do_section_contents): New function.
2237         (Sized_incr_relobj::do_section_flags): New function.
2238         (Sized_incr_relobj::do_section_entsize): New function.
2239         (Sized_incr_relobj::do_section_address): New function.
2240         (Sized_incr_relobj::do_section_type): New function.
2241         (Sized_incr_relobj::do_section_link): New function.
2242         (Sized_incr_relobj::do_section_info): New function.
2243         (Sized_incr_relobj::do_section_addralign): New function.
2244         (Sized_incr_relobj::do_initialize_xindex): New function.
2245         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2246         (Sized_incr_relobj::do_read_relocs): New function.
2247         (Sized_incr_relobj::do_gc_process_relocs): New function.
2248         (Sized_incr_relobj::do_scan_relocs): New function.
2249         (Sized_incr_relobj::do_count_local_symbols): New function.
2250         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2251         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2252         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2253         (Sized_incr_relobj::do_relocate): New function.
2254         (Sized_incr_relobj::do_set_section_offset): New function.
2255         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2256         (Sized_incr_dynobj::do_read_symbols): New function.
2257         (Sized_incr_dynobj::do_layout): New function.
2258         (Sized_incr_dynobj::do_add_symbols): New function.
2259         (Sized_incr_dynobj::do_should_include_member): New function.
2260         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2261         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2262         (Sized_incr_dynobj::do_section_size): New function.
2263         (Sized_incr_dynobj::do_section_name): New function.
2264         (Sized_incr_dynobj::do_section_contents): New function.
2265         (Sized_incr_dynobj::do_section_flags): New function.
2266         (Sized_incr_dynobj::do_section_entsize): New function.
2267         (Sized_incr_dynobj::do_section_address): New function.
2268         (Sized_incr_dynobj::do_section_type): New function.
2269         (Sized_incr_dynobj::do_section_link): New function.
2270         (Sized_incr_dynobj::do_section_info): New function.
2271         (Sized_incr_dynobj::do_section_addralign): New function.
2272         (Sized_incr_dynobj::do_initialize_xindex): New function.
2273         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2274         (make_sized_incremental_object): New function.
2275         (Incremental_library::copy_unused_symbols): New function.
2276         (Incremental_library::do_for_all_unused_symbols): New function.
2277         * incremental.h (enum Incremental_input_flags): New type.
2278         (class Incremental_checker): Remove.
2279         (Incremental_input_entry::Incremental_input_entry): Add argument
2280         serial number.
2281         (Incremental_input_entry::arg_serial): New function.
2282         (Incremental_input_entry::set_is_in_system_directory): New function.
2283         (Incremental_input_entry::is_in_system_directory): New function.
2284         (Incremental_input_entry::arg_serial_): New data member.
2285         (Incremental_input_entry::is_in_system_directory_): New data member.
2286         (class Script_info): Move here from script.h.
2287         (Script_info::Script_info): Add filename parameter.
2288         (Script_info::filename): New function.
2289         (Script_info::filename_): New data member.
2290         (Incremental_script_entry::Incremental_script_entry): Add argument
2291         serial number.
2292         (Incremental_object_entry::Incremental_object_entry): Likewise.
2293         (Incremental_object_entry::add_input_section): Build list of input
2294         sections with map to original shndx.
2295         (Incremental_object_entry::get_input_section_index): New function.
2296         (Incremental_object_entry::shndx_): New data member.
2297         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2298         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2299         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2300         serial number.
2301         (Incremental_inputs::report_archive_begin): Likewise.
2302         (Incremental_inputs::report_object): Likewise.
2303         (Incremental_inputs::report_script): Likewise.
2304         (class Incremental_global_symbol_reader): New class.
2305         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2306         and store flags and input file type.
2307         (Incremental_input_entry_reader::arg_serial): New function.
2308         (Incremental_input_entry_reader::type): Extract type from flags.
2309         (Incremental_input_entry_reader::is_in_system_directory): New function.
2310         (Incremental_input_entry_reader::get_input_section_count): Call
2311         accessor function for type.
2312         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2313         function for type; adjust size of global symbol entry.
2314         (Incremental_input_entry_reader::get_global_symbol_count): Call
2315         accessor function for type.
2316         (Incremental_input_entry_reader::get_object_count): Likewise.
2317         (Incremental_input_entry_reader::get_object_offset): Likewise.
2318         (Incremental_input_entry_reader::get_member_count): Likewise.
2319         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2320         (Incremental_input_entry_reader::get_member_offset): Likewise.
2321         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2322         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2323         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2324         (Incremental_input_entry_reader::get_global_symbol_reader): New
2325         function.
2326         (Incremental_input_entry_reader::get_output_symbol_index): New
2327         function.
2328         (Incremental_input_entry_reader::type_): Remove.
2329         (Incremental_input_entry_reader::flags_): New data member.
2330         (Incremental_inputs_reader::input_file_offset): New function.
2331         (Incremental_inputs_reader::input_file_index): New function.
2332         (Incremental_inputs_reader::input_file): Call input_file_offset.
2333         (Incremental_inputs_reader::input_file_at_offset): New function.
2334         (Incremental_relocs_reader::get_r_type): Reformat.
2335         (Incremental_relocs_reader::get_r_shndx): Reformat.
2336         (Incremental_relocs_reader::get_r_offset): Reformat.
2337         (Incremental_relocs_reader::data): New function.
2338         (Incremental_binary::Incremental_binary): Initialize new data members.
2339         (Incremental_binary::check_inputs): Add cmdline parameter.
2340         (Incremental_binary::file_is_unchanged): Remove.
2341         (Input_reader::arg_serial): New function.
2342         (Input_reader::get_unused_symbol_count): New function.
2343         (Input_reader::get_unused_symbol): New function.
2344         (Input_reader::do_arg_serial): New function.
2345         (Input_reader::do_get_unused_symbol_count): New function.
2346         (Input_reader::do_get_unused_symbol): New function.
2347         (Incremental_binary::input_file_count): New function.
2348         (Incremental_binary::get_input_reader): Change signature to use
2349         index instead of filename.
2350         (Incremental_binary::file_has_changed): New function.
2351         (Incremental_binary::get_input_argument): New function.
2352         (Incremental_binary::get_library): New function.
2353         (Incremental_binary::get_script_info): New function.
2354         (Incremental_binary::init_layout): New function.
2355         (Incremental_binary::reserve_layout): New function.
2356         (Incremental_binary::output_file): New function.
2357         (Incremental_binary::do_check_inputs): New function.
2358         (Incremental_binary::do_file_is_unchanged): Remove.
2359         (Incremental_binary::do_file_has_changed): New function.
2360         (Incremental_binary::do_init_layout): New function.
2361         (Incremental_binary::do_reserve_layout): New function.
2362         (Incremental_binary::do_input_file_count): New function.
2363         (Incremental_binary::do_get_input_reader): Change signature.
2364         (Incremental_binary::input_args_map_): New data member.
2365         (Incremental_binary::library_map_): New data member.
2366         (Incremental_binary::script_map_): New data member.
2367         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2368         new data members.
2369         (Sized_incremental_binary::output_section): New function.
2370         (Sized_incremental_binary::inputs_reader): Add const.
2371         (Sized_incremental_binary::symtab_reader): Add const.
2372         (Sized_incremental_binary::relocs_reader): Add const.
2373         (Sized_incremental_binary::got_plt_reader): Add const.
2374         (Sized_incremental_binary::get_symtab_view): New function.
2375         (Sized_incremental_binary::Inputs_reader): New typedef.
2376         (Sized_incremental_binary::Input_entry_reader): New typedef.
2377         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2378         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2379         (Sized_incremental_binary::do_file_has_changed): New function.
2380         (Sized_incremental_binary::do_init_layout): New function.
2381         (Sized_incremental_binary::do_reserve_layout): New function.
2382         (Sized_input_reader::Inputs_reader): Remove.
2383         (Sized_input_reader::Input_entry_reader): Remove.
2384         (Sized_input_reader::do_arg_serial): New function.
2385         (Sized_input_reader::do_get_unused_symbol_count): New function.
2386         (Sized_input_reader::do_get_unused_symbol): New function.
2387         (Sized_incremental_binary::do_input_file_count): New function.
2388         (Sized_incremental_binary::do_get_input_reader): Change signature;
2389         use index instead of filename.
2390         (Sized_incremental_binary::section_map_): New data member.
2391         (Sized_incremental_binary::input_entry_readers_): New data member.
2392         (class Sized_incr_relobj): New class.
2393         (class Sized_incr_dynobj): New class.
2394         (make_sized_incremental_object): New function.
2395         (class Incremental_library): New class.
2396         * layout.cc (Free_list::num_lists): New static data member.
2397         (Free_list::num_nodes): New static data member.
2398         (Free_list::num_removes): New static data member.
2399         (Free_list::num_remove_visits): New static data member.
2400         (Free_list::num_allocates): New static data member.
2401         (Free_list::num_allocate_visits): New static data member.
2402         (Free_list::init): New function.
2403         (Free_list::remove): New function.
2404         (Free_list::allocate): New function.
2405         (Free_list::dump): New function.
2406         (Free_list::print_stats): New function.
2407         (Layout_task_runner::run): Resize output file for incremental updates.
2408         (Layout::Layout): Initialize new data members.
2409         (Layout::set_incremental_base): New function.
2410         (Layout::init_fixed_output_section): New function.
2411         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2412         incremental updates.
2413         (Layout::create_gold_note): Do not create gold note section for
2414         incremental updates.
2415         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2416         for incremental updates.
2417         (Layout::set_section_offsets): For incremental updates, allocate space
2418         from free list.
2419         (Layout::create_symtab_sections): Layout with offsets relative to
2420         start of section; for incremental updates, allocate space from free
2421         list.
2422         (Layout::create_shdrs): For incremental updates, allocate space from
2423         free list.
2424         (Layout::finish_dynamic_section): For incremental updates, do not
2425         check --as-needed (fixed in subsequent patch).
2426         * layout.h (class Free_list): New class.
2427         (Layout::set_incremental_base): New function.
2428         (Layout::incremental_base): New function.
2429         (Layout::init_fixed_output_section): New function.
2430         (Layout::allocate): New function.
2431         (Layout::incremental_base_): New data member.
2432         (Layout::free_list_): New data member.
2433         * main.cc (main): Print Free_list statistics.
2434         * object.cc (Relobj::finalize_incremental_relocs): Add
2435         clear_counts parameter; clear counts only when clear_counts is set.
2436         (Sized_relobj::Sized_relobj): Initialize new base class.
2437         (Sized_relobj::do_layout): Don't report special sections.
2438         (Sized_relobj::do_for_all_local_got_entries): New function.
2439         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2440         symtab_off to all symbol table offsets.
2441         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2442         * object.h (class Got_offset_list): Move to top of file.
2443         (Object::Object): Allow case where input_file == NULL.
2444         (Object::~Object): Likewise.
2445         (Object::input_file): Assert that input_file != NULL.
2446         (Object::lock): Allow case where input_file == NULL.
2447         (Object::unlock): Likewise.
2448         (Object::is_locked): Likewise.
2449         (Object::token): Likewise.
2450         (Object::release): Likewise.
2451         (Object::is_incremental): New function.
2452         (Object::get_mtime): New function.
2453         (Object::for_all_local_got_entries): New function.
2454         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2455         (Object::set_is_in_system_directory): New function.
2456         (Object::is_in_system_directory): New function.
2457         (Object::do_is_incremental): New function.
2458         (Object::do_get_mtime): New function.
2459         (Object::do_for_all_local_got_entries): New function.
2460         (Object::is_in_system_directory_): New data member.
2461         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2462         (class Sized_relobj_base): New class.
2463         (class Sized_relobj): Derive from Sized_relobj_base.
2464         (class Sized_relobj::Symbols): Redeclare from base class.
2465         (class Sized_relobj::local_got_offset_list): Remove.
2466         (class Sized_relobj::Output_sections): Redeclare from base class.
2467         (class Sized_relobj::do_for_all_local_got_entries): New function.
2468         (class Sized_relobj::write_local_symbols): Add offset parameter.
2469         (class Sized_relobj::local_symbol_offset_): Update comment.
2470         (class Sized_relobj::local_dynsym_offset_): Update comment.
2471         * options.cc (Input_arguments::add_file): Remove const.
2472         * options.h (Input_file_argument::Input_file_argument):
2473         Initialize arg_serial_ (all constructors).
2474         (Input_file_argument::set_arg_serial): New function.
2475         (Input_file_argument::arg_serial): New function.
2476         (Input_file_argument::arg_serial_): New data member.
2477         (Input_arguments::Input_arguments): Initialize file_count_.
2478         (Input_arguments::add_file): Remove const.
2479         (Input_arguments::number_of_input_files): New function.
2480         (Input_arguments::file_count_): New data member.
2481         (Command_line::number_of_input_files): Call
2482         Input_arguments::number_of_input_files.
2483         * output.cc (Output_segment_headers::Output_segment_headers):
2484         Set current size.
2485         (Output_section::Input_section::current_data_size): New function.
2486         (Output_section::Output_section): Initialize new data members.
2487         (Output_section::add_input_section): Don't do merge sections for
2488         an incremental link; allocate space from free list for an
2489         incremental update.
2490         (Output_section::add_output_section_data): Allocate space from
2491         free list for an incremental update.
2492         (Output_section::update_data_size): New function.
2493         (Output_section::set_fixed_layout): New function.
2494         (Output_section::reserve): New function.
2495         (Output_segment::set_section_addresses): Remove const.
2496         (Output_segment::set_section_list_addresses): Remove const; allocate
2497         space from free list for an incremental update.
2498         (Output_segment::set_offset): Adjust size of RELRO segment for an
2499         incremental update.
2500         * output.h (Output_data::current_data_size): Move here from
2501         child classes.
2502         (Output_data::pre_finalize_data_size): New function.
2503         (Output_data::update_data_size): New function.
2504         (Output_section_headers::update_data_size): new function.
2505         (Output_section_data_build::current_data_size): Move to Output_data.
2506         (Output_data_strtab::update_data_size): New function.
2507         (Output_section::current_data_size): Move to Output_data.
2508         (Output_section::set_fixed_layout): New function.
2509         (Output_section::has_fixed_layout): New function.
2510         (Output_section::reserve): New function.
2511         (Output_section::update_data_size): New function.
2512         (Output_section::has_fixed_layout_): New data member.
2513         (Output_section::free_list_): New data member.
2514         (Output_segment::set_section_addresses): Remove const.
2515         (Output_segment::set_section_list_addresses): Remove const.
2516         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2517         New function.
2518         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2519         New function.
2520         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2521         parameter when calling Add_symbols constructor; store argument
2522         serial number for members of a lib group.
2523         (Add_symbols::locks): Allow case where token == NULL.
2524         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2525         (Read_member::~Read_member): New function.
2526         (Read_member::is_runnable): New function.
2527         (Read_member::locks): New function.
2528         (Read_member::run): New function.
2529         (Check_script::~Check_script): New function.
2530         (Check_script::is_runnable): New function.
2531         (Check_script::locks): New function.
2532         (Check_script::run): New function.
2533         (Check_library::~Check_library): New function.
2534         (Check_library::is_runnable): New function.
2535         (Check_library::locks): New function.
2536         (Check_library::run): New function.
2537         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2538         (Add_symbols::library_): New data member.
2539         (class Read_member): New class.
2540         (class Check_script): New class.
2541         (class Check_library): New class.
2542         * reloc.cc (Read_relocs::is_runnable): Allow case where
2543         token == NULL.
2544         (Read_relocs::locks): Likewise.
2545         (Scan_relocs::locks): Likewise.
2546         (Relocate_task::locks): Likewise.
2547         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2548         to clear counters.
2549         (Sized_relobj::incremental_relocs_scan): Fix comment.
2550         (Sized_relobj::do_relocate): Pass output file offset to
2551         write_local_symbols.
2552         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2553         from class declaration.
2554         * script.cc (read_input_script): Allocate Script_info; pass
2555         argument serial number to report_script.
2556         * script.h (class Script_info): Move to incremental.h.
2557         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2558         * symtab.h (Symbol_table::add_from_incrobj): New function.
2559         (Symbol_table::set_file_offset): New function.
2561 2011-04-05  Cary Coutant  <ccoutant@google.com>
2563         * incremental-dump.cc (dump_incremental_inputs): Change signature
2564         to take a Sized_incremental_binary; change caller.  Use readers
2565         in Sized_incremental_binary.
2566         * incremental.cc
2567         (Sized_incremental_binary::find_incremental_inputs_sections):
2568         Rename do_find_incremental_inputs_sections to this.
2569         (Sized_incremental_binary::setup_readers): New function.
2570         (Sized_incremental_binary::do_check_inputs): Check
2571         has_incremental_info_ flag; move setup code to setup_readers;
2572         use input readers.
2573         (Sized_incremental_binary::do_file_is_unchanged): New function.
2574         (Sized_incremental_binary::do_get_input_reader): New function.
2575         * incremental.h (class Incremental_binary): Move to end of file.
2576         (Incremental_binary::file_is_unchanged): New function.
2577         (Incremental_binary::do_file_is_unchanged): New function.
2578         (Incremental_binary::Input_reader): New class.
2579         (Incremental_binary::get_input_reader): New function.
2580         (class Sized_incremental_binary): Move to end of file.
2581         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2582         input section reader classes.
2583         (Sized_incremental_binary::has_incremental_info): New function.
2584         (Sized_incremental_binary::inputs_reader): New function.
2585         (Sized_incremental_binary::symtab_reader): New function.
2586         (Sized_incremental_binary::relocs_reader): New function.
2587         (Sized_incremental_binary::got_plt_reader): New function.
2588         (Sized_incremental_binary::do_file_is_unchanged): New function.
2589         (Sized_incremental_binary::Sized_input_reader): New class.
2590         (Sized_incremental_binary::get_input_reader): New function.
2591         (Sized_incremental_binary::find_incremental_inputs_sections):
2592         Rename do_find_incremental_inputs_sections to this.
2593         (Sized_incremental_binary::setup_readers): New function.
2594         (Sized_incremental_binary::has_incremental_info_): New data member.
2595         (Sized_incremental_binary::inputs_reader_): New data member.
2596         (Sized_incremental_binary::symtab_reader_): New data member.
2597         (Sized_incremental_binary::relocs_reader_): New data member.
2598         (Sized_incremental_binary::got_plt_reader_): New data member.
2599         (Sized_incremental_binary::current_input_file_): New data member.
2601 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2603         PR gold/12640
2604         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2605         violation.
2607 2011-03-30  Cary Coutant  <ccoutant@google.com>
2609         * archive.cc (Archive::include_member): Adjust call to report_object.
2610         (Add_archive_symbols::run): Add script_info to call to
2611         report_archive_begin.
2612         (Lib_group::include_member): Adjust call to report_object.
2613         (Add_lib_group_symbols::run): Adjust call to report_object.
2614         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2615         blocks.  Add object count for script input files.
2616         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2617         script_info parameter; change all callers.
2618         (Incremental_inputs::report_object): Add script_info parameter;
2619         change all callers.
2620         (Incremental_inputs::report_script): Store backpointer to
2621         incremental info entry.
2622         (Output_section_incremental_inputs::set_final_data_size): Record
2623         additional information for scripts.
2624         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2625         * incremental.h (Incremental_script_entry::add_object): New function.
2626         (Incremental_script_entry::get_object_count): New function.
2627         (Incremental_script_entry::get_object): New function.
2628         (Incremental_script_entry::objects_): New data member; adjust
2629         constructor.
2630         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2631         (Incremental_inputs::report_object): Add script_info parameter.
2632         (Incremental_inputs_reader::get_object_count): New function.
2633         (Incremental_inputs_reader::get_object_offset): New function.
2634         * options.cc (Input_arguments::add_file): Return reference to
2635         new input argument.
2636         * options.h (Input_argument::set_script_info): New function.
2637         (Input_argument::script_info): New function.
2638         (Input_argument::script_info_): New data member; adjust all
2639         constructors.
2640         (Input_file_group::add_file): Return reference to new input argument.
2641         (Input_file_lib::add_file): Likewise.
2642         (Input_arguments::add_file): Likewise.
2643         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2644         * script.cc (Parser_closure::Parser_closure): Add script_info
2645         parameter; adjust all callers.
2646         (Parser_closure::script_info): New function.
2647         (Parser_closure::script_info_): New data member.
2648         (read_input_script): Report scripts earlier to incremental info.
2649         (script_add_file): Set script_info in Input_argument.
2650         (script_add_library): Likewise.
2651         * script.h (Script_options::Script_info): Rewrite class.
2653 2011-03-29  Cary Coutant  <ccoutant@google.com>
2655         * archive.cc (Library_base::should_include_member): Move
2656         method here from class Archive.
2657         (Archive::Archive): Initialize base class.
2658         (Archive::should_include_member): Move to base class.
2659         (Archive::do_for_all_unused_symbols): New function.
2660         (Add_archive_symbols::run): Remove redundant access to
2661         incremental_inputs.
2662         (Lib_group::Lib_group): Initialize base class.
2663         (Lib_group::do_filename): New function.
2664         (Lib_group::include_member): Pass pointer to Lib_group to
2665         report_object.
2666         (Lib_group::do_for_all_unused_symbols): New function.
2667         (Add_lib_group_symbols::run): Report archive information for
2668         incremental links.
2669         * archive.h (class Library_base): New base class.
2670         (class Archive): Derive from Library_base.
2671         (Archive::filename): Move to base class.
2672         (Archive::set_incremental_info): Likewise.
2673         (Archive::incremental_info): Likewise.
2674         (Archive::Should_include): Likewise.
2675         (Archive::should_include_member): Likewise.
2676         (Archive::Armap_entry): Remove.
2677         (Archive::Unused_symbol_iterator): Remove.
2678         (Archive::unused_symbols_begin): Remove.
2679         (Archive::unused_symbols_end): Remove.
2680         (Archive::do_filename): New function.
2681         (Archive::do_get_mtime): New function.
2682         (Archive::do_for_all_unused_symbols): New function.
2683         (Archive::task_): Move to base class.
2684         (Archive::incremental_info_): Likewise.
2685         (class Lib_group): Derive from Library_base.
2686         (Lib_group::do_filename): New function.
2687         (Lib_group::do_get_mtime): New function.
2688         (Lib_group::do_for_all_unused_symbols): New function.
2689         (Lib_group::task_): Move to base class.
2690         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2691         function.
2692         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2693         function.
2694         * incremental.cc (Incremental_inputs::report_archive_begin):
2695         Use Library_base; call library's get_mtime; add incremental inputs
2696         entry before members.
2697         (class Unused_symbol_visitor): New class.
2698         (Incremental_inputs::report_archive_end): Use Library_base; use
2699         visitor class to record unused symbols; don't add incremental inputs
2700         entry after members.
2701         (Incremental_inputs::report_object): Use Library_base.
2702         * incremental.h
2703         (Incremental_archive_entry::Incremental_archive_entry): Remove
2704         unused Archive parameter.
2705         (Incremental_inputs::report_archive_begin): Use Library_base.
2706         (Incremental_inputs::report_archive_end): Likewise.
2707         (Incremental_inputs::report_object): Likewise.
2708         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2709         function.
2710         * object.h (Object::for_all_global_symbols): New function.
2711         (Object::do_for_all_global_symbols): New function.
2712         (Sized_relobj::do_for_all_global_symbols): New function.
2713         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2714         function.
2715         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2716         function.
2718 2011-03-27  Ian Lance Taylor  <iant@google.com>
2720         * archive.cc (Archive::interpret_header): Return -1 if something
2721         goes wrong.  Change callers accordingly.
2723 2011-03-25  Cary Coutant  <ccoutant@google.com>
2725         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2726         * testsuite/Makefile.in: Regenerate.
2728 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2730         * plugin.cc (get_view): New.
2731         (Plugin::load): Pass get_view to the plugin.
2732         (Plugin_manager::get_view): New.
2734 2011-03-21  Ian Lance Taylor  <iant@google.com>
2736         * testsuite/final_layout.sh: Rewrite to not use dc.
2737         * testsuite/relro_test.sh: Fail if dc is not present.
2739 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2741         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2742         Change == to -eq.
2743         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2744         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2745         Change == to -eq.
2746         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2747         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2749 2011-03-14  Ian Lance Taylor  <iant@google.com>
2751         * script-sections.cc (Sort_output_sections::script_compare):
2752         Rename from is_before, change return type.
2753         (Sort_output_sections::operator()): Adjust accordingly.
2755 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2757         PR gold/12572
2758         * testsuite/odr_violation2.cc: Add comment to make all error line
2759         numbers double digits.
2760         * testsuite/debug_msg.sh: Adjust expected errors.
2762 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2764         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2765         but mark earlier ones as non-canonical
2766         (offset_to_iterator): Update search target and example
2767         (do_addr2line): Return extra lines in a vector*
2768         (format_file_lineno): Extract from do_addr2line
2769         (one_addr2line): Add vector* out-param
2770         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2771         when a lineno entry appeared last for its instruction
2772         (Dwarf_line_info): Add vector* out-param
2773         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2774         * symtab.cc (Odr_violation_compare): Include the lineno in the
2775         comparison again.
2776         (linenos_from_loc): New. Combine the canonical line for an
2777         address with its other lines.
2778         (True_if_intersect): New. Helper functor to make
2779         std::set_intersection a query.
2780         (detect_odr_violations): Compare sets of lines instead of just
2781         one line for each function. This became less deterministic, but
2782         has fewer false positives.
2783         * symtab.h: Declarations.
2784         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2785         mix an optimized and non-optimized object in the same binary
2786         (odr_violation2.so): Same.
2787         * testsuite/Makefile.in: Regenerate from Makefile.am.
2788         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2789         * testsuite/debug_msg.sh: Update line numbers and add
2790         assertions.
2791         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2792         non-optimized context.
2793         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2794         isn't inlined, and use OdrDerived in an optimized context.
2795         * testsuite/odr_header1.h: Defines OdrDerived, where
2796         optimization will change the
2797         first-instruction-in-the-destructor's file and line number.
2798         * testsuite/odr_header2.h: Defines OdrBase.
2800 2011-03-09  Ian Lance Taylor  <iant@google.com>
2802         * fileread.cc (File_read::clear_views): Don't delete the whole
2803         file view.
2805 2011-03-08  Ian Lance Taylor  <iant@google.com>
2807         PR gold/12525
2808         * fileread.cc: #include <climits>.
2809         (GOLD_IOV_MAX): Define.
2810         (File_read::read_multiple): Limit number of entries by iov_max.
2811         * fileread.h (class File_read): Always set max_readv_entries to
2812         128.
2814 2011-03-07  Ian Lance Taylor  <iant@google.com>
2816         PR gold/12525
2817         * options.h (class General_options): Add -dy and -dn.
2819 2011-03-02  Cary Coutant  <ccoutant@google.com>
2821         * testsuite/script_test_9.t: Add TLS segment.
2823 2011-03-02  Simon Baldwin  <simonb@google.com>
2825         * configure.ac: Add check for gnu_indirect_function support in
2826         the toolchain building binutils.
2827         * configure: Rebuild.
2829 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2831         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2832         plugin only symbols.
2833         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2834         in plugin files as not needed in the symbol table.
2836 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2838         * output.cc (Output_section::add_input_section): Delay fill
2839         generation for section ordering.
2841 2011-02-09  Ian Lance Taylor  <iant@google.com>
2843         PR gold/12316
2844         * object.h (class Sized_relobj): Remove clear_local_symbols.
2845         * reloc.cc (Sized_relobj::do_relocate): Don't call
2846         clear_local_symbols.
2848 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2850         * plugin.cc (is_visible_from_outside): Return true for symbols
2851         in the -u option.
2853 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2855         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2856         filename.
2858 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2860         * icf.h (is_section_foldable_candidate): Change type of parameter
2861         to std::string.
2862         * icf.cc (Icf::find_identical_sections): Change type of local variable
2863         section_name to be std::string.
2864         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2866 2011-01-25  Ian Lance Taylor  <iant@google.com>
2868         * script.cc (script_add_extern): Rewrite to use
2869         add_symbol_reference.
2871 2011-01-25  Doug Kwan  <dougkwan@google.com>
2873         * icf.cc (get_section_contents): Always lock section's object.
2875 2011-01-24  Ian Lance Taylor  <iant@google.com>
2877         * options.h (class General_options): Accept
2878         --no-detect-odr-violations.
2880 2011-01-24  Ian Lance Taylor  <iant@google.com>
2882         * version.cc (version_string): Bump to 1.11.
2884 2011-01-24  Ian Lance Taylor  <iant@google.com>
2886         * plugin.cc (class Plugin_rescan): Define new class.
2887         (Plugin_manager::claim_file): Set any_claimed_.
2888         (Plugin_manager::save_archive): New function.
2889         (Plugin_manager::save_input_group): New function.
2890         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2891         necessary.
2892         (Plugin_manager::new_undefined_symbol): New function.
2893         (Plugin_manager::rescan): New function.
2894         (Plugin_manager::rescannable_defines): New function.
2895         (Plugin_manager::add_input_file): Set any_added_.
2896         * plugin.h (class Plugin_manager): define new fields rescannable_,
2897         undefined_symbols_, any_claimed_, and any_added_.  Declare
2898         Plugin_rescan as friend.  Declare new functions.
2899         (Plugin_manager::Rescannable): Define type.
2900         (Plugin_manager::Rescannable_list): Define type.
2901         (Plugin_manager::Undefined_symbol_list): Define type.
2902         (Plugin_manager::Plugin_manager): Initialize new fields.
2903         * archive.cc (Archive::defines_symbol): New function.
2904         (Add_archive_symbols::run): Pass archive to plugins if any.
2905         * archive.h (class Archive): Declare defines_symbol.
2906         * readsyms.cc (Input_group::~Input_group): New function.
2907         (Finish_group::run): Pass input_group to plugins if any.
2908         * readsyms.h (class Input_group): Declare destructor.
2909         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2910         any.
2912 2011-01-10  Ian Lance Taylor  <iant@google.com>
2914         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2915         section as relro.
2916         (Layout::set_segment_offsets): Reset increase_relro before calling
2917         set_section_addresses a second time.
2919 2011-01-04  Cary Coutant  <ccoutant@google.com>
2921         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2922         sections before NOBITS sections.
2924 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2926         * version.cc (print_version): Update copyright to 2011.
2928 2010-12-23  Cary Coutant  <ccoutant@google.com>
2930         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2931         of OS to this->add.  Add OD parameter to second form of the function.
2933 2010-12-20  Ian Lance Taylor  <iant@google.com>
2935         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2936         second of two consecutive entries with same offset.
2938 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2940         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2941         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2942         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2943         to avoid unneeded links against $(LDADD).
2944         * testsuite/Makefile.in: Regenerate.
2946 2010-12-15  Ian Lance Taylor  <iant@google.com>
2948         PR gold/12324
2949         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2950         for R_X86_64_32 and R_X86_64_PC32.
2951         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2952         ver_matching_def_pic.o.
2953         (ver_matching_def_pic.o): New target.
2955 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2957         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2958         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2959         Move definition before File_read::View member definitions.
2960         (File_read::View::~View): Initialize and hold lock before
2961         updating current_mapped_bytes.
2963 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2965         * dwarf_reader.cc: Remove outdated comment.
2966         * gold-threads.cc: Fix typo in error message.
2967         * archive.cc: Fix typos in comments.
2968         * archive.h: Likewise.
2969         * arm-reloc-property.cc: Likewise.
2970         * arm-reloc-property.h: Likewise.
2971         * arm-reloc.def: Likewise.
2972         * arm.cc: Likewise.
2973         * attributes.h: Likewise.
2974         * cref.cc: Likewise.
2975         * ehframe.cc: Likewise.
2976         * fileread.h: Likewise.
2977         * gold.h: Likewise.
2978         * i386.cc: Likewise.
2979         * icf.cc: Likewise.
2980         * incremental.h: Likewise.
2981         * int_encoding.cc: Likewise.
2982         * layout.h: Likewise.
2983         * main.cc: Likewise.
2984         * merge.h: Likewise.
2985         * object.cc: Likewise.
2986         * object.h: Likewise.
2987         * options.cc: Likewise.
2988         * readsyms.cc: Likewise.
2989         * reduced_debug_output.cc: Likewise.
2990         * reloc.cc: Likewise.
2991         * script-sections.cc: Likewise.
2992         * sparc.cc: Likewise.
2993         * symtab.h: Likewise.
2994         * target-reloc.h: Likewise.
2995         * target.cc: Likewise.
2996         * target.h: Likewise.
2997         * timer.cc: Likewise.
2998         * timer.h: Likewise.
2999         * x86_64.cc: Likewise.
3001 2010-12-09  Cary Coutant  <ccoutant@google.com>
3003         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3004         stack.
3005         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3006         parameter; change all callers.
3007         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3008         * options.h (warn_execstack): New option.
3010 2010-12-07  Doug Kwan  <dougkwan@google.com>
3012         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3013         like function call relocations.
3015 2010-12-07  Ian Lance Taylor  <iant@google.com>
3017         * archive.cc (Archive::get_elf_object_for_member): Permit
3018         punconfigured to be NULL.
3019         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3020         (Archive::include_member): Pass NULL to get_elf_object_for_member
3021         if we searched for the archive and this is the first included
3022         object.
3024 2010-12-01  Ian Lance Taylor  <iant@google.com>
3026         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3027         track_relocs_type_ field.
3028         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3029         Set track_relocs_type_.
3030         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3031         contents when using RELA relocs.
3032         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3033         reloc_map_.
3034         * reloc.cc (Track_relocs::next_addend): New function.
3035         * reloc.h (class Track_relocs): Declare next_addend.
3037 2010-12-01  Ian Lance Taylor  <iant@google.com>
3039         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3040         virtual destructor.
3042 2010-12-01  Ian Lance Taylor  <iant@google.com>
3044         * README: Update compilers known to work and fail.
3046 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3048         * configure.in: For --enable-gold, handle value `default' instead of
3049         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3050         not the default.
3051         * configure: Regenerate.
3053 2010-11-18  Doug Kwan  <dougkwan@google.com>
3055         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3056         and right_alignment to be zero.  Store result alignment only if it is
3057         greater than existing alignment.
3059 2010-11-16  Cary Coutant  <ccoutant@google.com>
3061         PR gold/12220
3062         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3063         Check for ".zdebug_line".
3065 2010-11-16  Doug Kwan  <dougkwan@google.com>
3066             Cary Coutant  <ccoutant@google.com>
3068         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3069         by reference; adjust all callers.
3070         * output.cc (Output_segment::set_section_addresses): Adjust references
3071         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3072         list is empty.
3073         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3074         end at page boundary.
3076 2010-11-16  Cary Coutant  <ccoutant@google.com>
3078         PR gold/12220
3079         * layout.cc (Layout::choose_output_section): Transform names of
3080         compressed sections even when using a script with a SECTIONS clause.
3081         (Layout::output_section_name): Remove code to transform
3082         compressed debug section names.
3083         * output.cc (Output_section::add_input_section): Use uncompressed
3084         section size when tracking input sections.
3086 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3088         * symtab.h (Symbol::NON_PIC_REF): Remove.
3089         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3090         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3091         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3092         (Symbol::use_plt_offset): Take a flags argument and pass it
3093         directly to needs_dynamic_reloc.  Restrict check for undefined
3094         weak symbols to function calls.
3095         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3096         (Target_arm::Scan::global): Use it.
3097         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3098         (Target_arm::Relocate::relocate): Likewise.
3099         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3100         parameter with an r_type parameter.  Use get_reference_flags
3101         to get the flags.
3102         (Target_arm::Relocate::relocate): Update accordingly.
3103         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3104         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3105         (Target_i386::Scan::global): Likewise.
3106         (Target_i386::Relocate::relocate): Likewise.
3107         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3108         parameter with an r_type parameter.  Use get_reference_flags
3109         to get the flags.
3110         (Target_i386::Relocate::relocate): Update accordingly.
3111         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3112         (Target_powerpc::Scan::global): Use it.
3113         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3114         (Target_powerpc::Relocate::relocate): Likewise.
3115         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3116         (Target_sparc::Scan::global): Use it.
3117         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3118         (Target_sparc::Relocate::relocate): Likewise.
3119         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3120         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3121         (Target_x86_64::Scan::global): Likewise.
3122         (Target_x86_64::Relocate::relocate): Likewise.
3124 2010-11-08  Doug Kwan  <dougkwan@google.com>
3125             Cary Coutant  <ccoutant@google.com>
3127         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3128         (Arm_exidx_merge_section::section_contents_): New data member.
3129         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3130         (Arm_input_section::~Arm_input_section): De-allocate memory.
3131         (Arm_input_section::original_contents_): New data member.       
3132         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3133         in parameters instead of calling Object::section_contents without
3134         locking.
3135         (Arm_output_section::group_section): New parameter TASK.  Pass it
3136         to callees that need locking objects.
3137         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3138         to lock EXIDX input sections.  Fix a formatting issue.  Call
3139         Arm_exidx_merged_section::build_contents to create merged section
3140         contents.
3141         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3142         to lock object of stub table owner.
3143         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3144         TEXT_SIZE to initialize data member TEXT_SIZE_.
3145         (Arm_exidx_input_section::addralign): Fix typo in comment.
3146         (Arm_exidx_input_section::text_size): New method.
3147         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3148         that require locking objects.  Lock objects before scanning for stubs
3149         and updating local symbols.
3150         (Arm_input_section<big_endian>::init): Copy contents of original
3151         input section.
3152         (Arm_input_section<big_endian>::do_write): Use saved contents of
3153         original input section instead of calling Object::section_contents
3154         without locking.
3155         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3156         size without calling Object::section_size().
3157         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3158         for size.  Allocate a buffer for merged EXIDX entries.
3159         (Arm_exidx_merged_section::build_contents): New method.
3160         (Arm_exidx_merged_section::do_write): Move merge section contents
3161         building code to Arm_exidx_merged_section::build_contetns.  Write
3162         out contetns in buffer instead of building it on the fly.
3163         (Arm_relobj::make_exidx_input_section): Also pass text section size
3164         to Arm_exidx_input_section constructor.
3165         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3166         (Arm_dynobj::do_read_symbols): Fix memory leak.
3167         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3168         * target.h: (class Task): Add forward declaration.
3169         (Target::relax): Add new parameter TASK and pass it to
3170         Target::do_relax().
3171         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3173 2010-11-05  Cary Coutant  <ccoutant@google.com>
3175         PR gold/10708
3176         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3177         object when reading from the file.
3178         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3179         second layout pass.
3180         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3181         when reading section contents.
3182         (get_section_contents): Likewise.
3183         (icf::find_identical_sections): Likewise.
3184         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3185         object when reading from the file.
3186         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3187         the object when doing deferred section layout.
3189 2010-11-03  Nick Clifton  <nickc@redhat.com>
3191         PR gold/12001
3192         * script.h (class Symbol_assignment: name): New member.  Returns
3193         the name of the symbol.
3194         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3195         Returns true if the given symbol name is on the list of
3196         assignments wating to be processed.
3197         * archive.cc (should_incldue_member): If the symbol is undefined,
3198         check to see if it is on the list of symbols pending assignment.
3200 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3202         * script-sections.cc (Script_sections::find_memory_region): Check
3203         for a NULL output section pointer.
3205 2010-10-29  Doug Kwan  <dougkwan@google.com>
3207         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3208         Output_section::add_relaxed_input_section.
3209         * output.cc (Output_section::add_relaxed_input_section): Add new
3210         arguments LAYOUT and NAME.  Set section order index.
3211         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3212         Copy section order index.
3213         * output.h (Output_section::add_relaxed_input_section): Add new
3214         arguments LAYOUT and NAME.
3216 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3218         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3219         NATIVE_OR_CROSS_LINKER.
3220         * testsuite/Makefile.in: Regenerate.
3222 2010-10-20  Doug Kwan  <dougkwan@google.com>
3224         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3225         without SHF_LINK_ORDER flags.
3226         * layout.cc (Layout::choose_output_section): Do not filter
3227         SHF_LINK_ORDER flag in a relocatable link.
3229 2010-10-17  Cary Coutant  <ccoutant@google.com>
3231         * output.h (Output_segment::set_section_addresses): Change function
3232         signature.  Update all callers.
3233         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3234         sections.
3235         (Output_segment::set_section_addresses): Align after last TLS
3236         section.  Add padding before last relro section instead of after.
3238 2010-10-17  Doug Kwan  <dougkwan@google.com>
3240         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3241         GOT output section to be writable.
3243 2010-10-14  Cary Coutant  <ccoutant@google.com>
3245         * debug.h (DEBUG_INCREMENTAL): New flag.
3246         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3247         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3248         mode.
3249         * incremental.cc (report_command_line): Ignore all forms of
3250         --incremental.
3251         * layout.cc (Layout::Layout): Check parameters for incremental link
3252         mode.
3253         * options.cc (General_options::parse_incremental): New function.
3254         (General_options::parse_no_incremental): New function.
3255         (General_options::parse_incremental_full): New function.
3256         (General_options::parse_incremental_update): New function.
3257         (General_options::incremental_mode_): New data member.
3258         (General_options::finalize): Check incremental_mode_.
3259         * options.h (General_options): Update help text for --incremental.
3260         Add --no-incremental, --incremental-full, --incremental-update.
3261         (General_options::Incremental_mode): New enum type.
3262         (General_options::incremental_mode): New function.
3263         (General_options::incremental_mode_): New data member.
3264         * parameters.cc (Parameters::incremental_mode_): New data member.
3265         (Parameters::set_options): Set incremental_mode_.
3266         (Parameters::set_incremental_full): New function.
3267         (Parameters::incremental): New function.
3268         (Parameters::incremental_update): New function.
3269         (set_parameters_incremental_full): New function.
3270         * parameters.h (Parameters::set_incremental_full): New function.
3271         (Parameters::incremental): New function.
3272         (Parameters::incremental_update): New function.
3273         (Parameters::incremental_mode_): New data member.
3274         (set_parameters_incremental_full): New function.
3275         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3276         incremental link mode.
3277         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3278         (Sized_relobj::do_relocate_sections): Likewise.
3279         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3280         option.
3281         * testsuite/Makefile.in: Regenerate.
3282         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3284 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3286         * script-sections.h (class Script_sections): Make
3287         Sections_elements typedef public.
3288         * script-sections.cc (class Sort_output_sections): Add elements_
3289         field.  Add constructor which sets it; change all callers.
3290         (Sort_output_sections::is_before): New function.
3291         (Sort_output_sections::operator()): Call is_before.
3292         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3293         conditional.
3294         * testsuite/script_test_10.sh: New test. Test script section
3295         order.
3296         * testsuite/script_test_10.t: Likewise.
3297         * testsuite/script_test_10.s: Likewise.
3298         * testsuite/Makefile.am: Wrap the cross linker tests and the
3299         common tests into NATIVE_OR_CROSS_LINKER.
3300         (check_SCRIPTS): Add script_test_10.sh.
3301         (check_DATA): Add script_test_10.stdout.
3302         (script_test_10.o, script_test_10): New targets.
3303         (script_test_10.stdout): New target.
3304         * configure, testsuite/Makefile.in: Regenerate.
3306 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3308         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3309         error for the deprecated relocations.
3310         (Target_arm::Scan::global): Likewise.
3311         (Target_arm::Relocate::relocate): Likewise.
3313 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3315         * fileread.cc (Input_file::find_file): Initialize *found_name
3316         and *namep when using the fallback search for case 4.
3318 2010-10-11  Cary Coutant  <ccoutant@google.com>
3320         * options.h (class General_options): Redefine -z lazy as an alias for
3321         the negation of -z now.
3323 2010-10-11  Ian Lance Taylor  <iant@google.com>
3325         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3326         binding.
3328 2010-10-06  Nick Clifton  <nickc@redhat.com>
3330         * script-sections.cc(class Memory_region): Remove
3331         current_lma_offset_ field.  Rename current_vma_offset_ to
3332         current_offset_.  Add last_section_ field.
3333         (Memory_region::get_current_vma_address): Rename to
3334         get_current_address.
3335         (Memory_region::get_current_lma_address): Delete.
3336         (Memory_region::increment_vma_offset): Rename to
3337         increment_offset.
3338         (Memory_region::increment_lma_offset): Delete.
3339         (Memory_region::attributes_compatible): New method.  Returns
3340         true if the provided section is compatible with the region.
3341         (Memory_region::get_last_section): New method.  Returns the last
3342         section to use the region.
3343         (Memory_region::set_last_section): New method.  Stores the last
3344         section to use the region.
3345         (Script_sections::block_in_region): New method.  Returns true if
3346         a block of memory is contained within a region.
3347         (Script_sections::find_memory_region): New method.  Locates a
3348         memory region to be used to set a VMA or LMA address.
3349         (Output_section_definition::set_section_addresses): Add code to
3350         check for addresses set by memory regions.
3351         (Output_segment::set_section_addresses): Remove memory region
3352         walking code.
3353         (Script_sections::create_segment): Add a warning if a header
3354         segment is created outside of any region.
3355         * script-sections.h (class Script_sections): Add prototypes for
3356         find_memory_region and block_in_region methods.
3357         * testsuite/memory_test.s: Use .long instead of .word.
3358         * testsuite/memory_test.t: Add some more output sections.
3359         * testsuite/memory_test.sh: Update expected output.
3361 2010-10-02  Doug Kwan  <dougkwan@google.com>
3363         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3364         defintion to symtab.h
3365         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3366         declaration to defintion.
3368 2010-10-01  Nick Clifton  <nickc@redhat.com>
3370         * expression.cc (eval): Replace dummy argument with NULL.
3371         (eval_maybe_dot): Check for a NULL result section pointer.
3372         (Symbol_expression::value): Likewise.
3373         (Dot_expression::value): Likewise.
3374         (BINARY_EXPRESSION): Likewise.
3375         (Max_expression::value): Likewise.
3376         (Min_expression::value): Likewise.
3377         (Absolute_expression::value): Likewise.
3378         (Addr_expression::value_from_output_section): Likewise.
3379         (Loaddddr_expression::value_from_output_section): Likewise.
3380         (Segment_start_expression::value): Likewise.
3381         * script-sections.cc
3382         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3383         argument with NULL.
3384         (Sections_elememt_dot_assignment::set_section_addresses):
3385         Likewise.
3386         (Output_data_expression::do_write_to_buffer): Likewise.
3387         (Output_section_definition::finalize_symbols): Likewise.
3388         (Output_section_definition::set_section_addresses): Likewise.
3390 2010-09-30  Doug Kwan  <dougkwan@google.com>
3392         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3394 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3396         * target.h (Target::can_icf_inline_merge_sections): New virtual
3397         function.
3398         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3399         virtual function.
3400         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3401         virtual function.
3402         * icf.cc (get_section_contents): Inline merge sections only when
3403         target allows it.
3405 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3407         * configure: Regenerate.
3409 2010-09-17  Ian Lance Taylor  <iant@google.com>
3411         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3412         * testsuite/Makefile.am (memory_test.o): New target.
3413         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3414         memory_test.t.
3415         * testsuite/Makefile.in: Rebuild.
3417 2010-09-17  Doug Kwan  <dougkwan@google.com>
3419         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3420         defintion if relocation uses GOT entries of the symbol.
3421         * testsuite/icf_safe_test.sh: Fix test.
3422         * testsuite/icf_safe_so_test.sh: Fix test.
3424 2010-09-16  Cary Coutant  <ccoutant@google.com>
3426         * script_sections.cc (class Memory_region): Remove "NULL" from
3427         vector initializations.
3429 2010-09-15  Cary Coutant  <ccoutant@google.com>
3431         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3432         Resolve forwarding symbols.
3434 2010-09-15  Doug Kwan  <dougkwan@google.com>
3436         * gold/testsuite/script_test_3.t: Add ARM special sections.
3437         * gold/testsuite/script_test_4.t: Same.
3438         * gold/testsuite/script_test_5.t: Same.
3439         * gold/testsuite/script_test_6.t: Same.
3440         * gold/testsuite/script_test_7.t: Same.
3441         * gold/testsuite/script_test_7.t: Same.
3442         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3444 2010-09-14  Cary Coutant  <ccoutant@google.com>
3446         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3447         (Target_x86_64::Relocate::relocate_tls): Replace check for
3448         saw_tls_block_reloc_ with test for executable section.
3450 2010-09-12  Cary Coutant  <ccoutant@google.com>
3452         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3453         position-independent executables to shared libraries need dynamic
3454         relocations.
3455         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3456         position-independent executables.
3457         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3458         * testsuite/Makefile.in: Regenerate.
3460 2010-09-10  Nick Clifton  <nickc@redhat.com>
3462         PR gold/11997
3463         * testsuite/memory_test.t: Discard any sections that are not
3464         needed.
3466 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3468         PR gold/11996
3469         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3470         "This::" to work around a bug in gcc 4.2.
3472         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3474 2010-09-09  Rafael Espindola  <espindola@google.com>
3476         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3477         sections with different PF_X flags in the same segment.
3478         (Layout::find_first_load_seg): Search all segments to find the first
3479         one.
3480         * options.h (rosegment): New.
3482 2010-09-08  Rafael Espindola  <espindola@google.com>
3484         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3486 2010-09-08  Doug Kwan  <dougkwan@google.com>
3488         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3489         (Arm_relobj::do_relocate_sections): Add new parameter for output
3490         file to match the parent.
3491         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3492         of local symbols instead of input values.  Update code to track
3493         changes in gold::relocate_section.
3494         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3495         (Sized_relobj::compute_final_local_value_internal): New methods.
3496         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3497         body into private version of Sized_relobj::compute_final_local_value.
3498         Call the inline method.
3499         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3500         merged symbol value if there is one.
3501         (Symbol_value::has_output_value): New method defintiion.
3502         (Sized_relobj::Compute_final_local_value_status): New enum type.
3503         (Sized_relobj::compute_final_local_value): New methods.
3504         (Sized_relobj::compute_final_local_value_internal): New methods.
3505         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3506         and arm_cortex_a8.sh.
3507         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3508         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3509         New tests.
3510         * Makefile.in: Regenerate.
3511         * testsuite/arm_bl_out_of_range.s: Update test.
3512         * testsuite/thumb_bl_out_of_range.s: Ditto.
3513         * testsuite/thumb_blx_out_of_range.s: Ditto.
3514         * testsuite/arm_branch_out_of_range.sh: New file.
3515         * testsuite/arm_cortex_a8.sh: Ditto.
3516         * testsuite/arm_cortex_a8_b.s: Ditto.
3517         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3518         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3519         * testsuite/arm_cortex_a8_bl.s: Ditto.
3520         * testsuite/arm_cortex_a8_blx.s: Ditto.
3521         * testsuite/arm_cortex_a8_local.s: Ditto.
3522         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3523         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3525 2010-09-08  Rafael Espindola  <espindola@google.com>
3527         * Makefile.am (memory_test.stdout): Run readelf with -W.
3528         * Makefile.in: Regenerate.
3529         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3530         64 bit output.
3532 2010-09-08  Rafael Espindola  <espindola@google.com>
3534         * script-sections.cc (Script_sections::add_memory_region): Convert
3535         field precision to int.
3536         * script.cc (script_set_section_region, script_set_section_region):
3537         Convert field precision to int.
3539 2010-09-08  Rafael Espindola  <espindola@google.com>
3541         * arm.cc (do_finalize_sections): Create the __exidx_start and
3542         __exdix_end symbols even when the section is missing.
3544 2010-09-08  Nick Clifton  <nickc@redhat.com>
3546         * README: Remove claim that MEMORY is not supported.
3547         * expression.cc (script_exp_function_origin)
3548         (script_exp_function_length): Move from here to ...
3549         * script.cc: ... here.
3550         (script_set_section_region, script_add_memory)
3551         (script_parse_memory_attr, script_include_directive): New
3552         functions.
3553         * script-sections.cc
3554         (class Memory_region): New class.
3555         (class Output_section_definition): Add set_memory_region,
3556         set_section_vma, set_section_lma and get_section_name methods.
3557         (class Script_Sections): Add add_memory_region,
3558         find_memory_region, find_memory_region_origin,
3559         find_memory_region_length and set_memory_region methods.
3560         Have set_section_addresses method walk the list of set memory
3561         regions.
3562         Extend the print methos to display memory regions.
3563         * script-sections.h: Add prototypes for new methods.
3564         Add enum for MEMORY region attributes.
3565         * yyscript.y: Add support for parsing MEMORY regions.
3566         * script-c.h: Add prototypes for new functions.
3567         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3568         * testsuite/Makefile.in: Regenerate.
3569         * testsuite/memory_test.sh: New script.
3570         * testsuite/memory_test.s: New assembler source file.
3571         * testsuite/memory_test.t: New linker script.
3573 2010-08-27  Doug Kwan  <dougkwan@google.com>
3575         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3576         reference override an existing dynamic weak reference.
3577         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3578         * testsuite/Makefile.in: Regenerate.
3579         * testsuite/dyn_weak_ref.sh: New file.
3580         * testsuite/dyn_weak_ref_1.c: Ditto.
3581         * testsuite/dyn_weak_ref_2.c: Ditto.
3583 2010-08-27  Ian Lance Taylor  <iant@google.com>
3585         * incremental.h (class Incremental_input_entry): Add virtual
3586         destructor.
3588 2010-08-27  Ian Lance Taylor  <iant@google.com>
3590         * testsuite/start_lib_test_3.c: Mark t3 as used.
3592 2010-08-27  Nick Clifton  <nickc@redhat.com>
3594         * options.cc (version_script): Fix small typo in previous
3595         whitespace tidyup.
3597 2010-08-25  Nick Clifton  <nickc@redhat.com>
3599         * archive.cc: Formatting fixes: Remove whitespace between
3600         typename and following asterisk.  Remove whitespace between
3601         function name and opening parenthesis.
3602         * archive.h: Likewise.
3603         * arm.cc: Likewise.
3604         * attributes.cc: Likewise.
3605         * attributes.h: Likewise.
3606         * common.cc: Likewise.
3607         * copy-relocs.cc: Likewise.
3608         * dirsearch.h: Likewise.
3609         * dynobj.cc: Likewise.
3610         * ehframe.cc: Likewise.
3611         * ehframe.h: Likewise.
3612         * expression.cc: Likewise.
3613         * fileread.cc: Likewise.
3614         * fileread.h: Likewise.
3615         * gc.h: Likewise.
3616         * gold-threads.cc: Likewise.
3617         * gold.cc: Likewise.
3618         * i386.cc: Likewise.
3619         * icf.h: Likewise.
3620         * incremental-dump.cc: Likewise.
3621         * incremental.cc: Likewise.
3622         * layout.cc: Likewise.
3623         * layout.h: Likewise.
3624         * main.cc: Likewise.
3625         * merge.cc: Likewise.
3626         * merge.h: Likewise.
3627         * object.cc: Likewise.
3628         * object.h: Likewise.
3629         * options.cc: Likewise.
3630         * options.h: Likewise.
3631         * output.cc: Likewise.
3632         * output.h: Likewise.
3633         * plugin.cc: Likewise.
3634         * plugin.h: Likewise.
3635         * powerpc.cc: Likewise.
3636         * reloc.cc: Likewise.
3637         * script-c.h: Likewise.
3638         * script-sections.cc: Likewise.
3639         * script.cc: Likewise.
3640         * stringpool.cc: Likewise.
3641         * symtab.cc: Likewise.
3642         * symtab.h: Likewise.
3643         * target.cc: Likewise.
3644         * timer.cc: Likewise.
3645         * timer.h: Likewise.
3646         * version.cc: Likewise.
3647         * x86_64.cc: Likewise.
3649 2010-08-24  Nick Clifton  <nickc@redhat.com>
3651         PR 11899
3652         * layout.cc (segment_precedes): Sort segments by their physical
3653         addresses, if they have been set.
3655 2010-08-23  Cary Coutant  <ccoutant@google.com>
3657         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3658         symbols data.
3659         (Lib_group::include_member): Unlock object after deleting its
3660         symbols data.
3661         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3662         the bug fixed here.
3664 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3665             Cary Coutant  <ccoutant@google.com>
3667         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3668         constructor, and set_blocker.
3669         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3670         readsyms_blocker_.
3671         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3672         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3673         * testsuite/Makefile.am (start_lib_test): New test case.
3674         * testsuite/Makefile.in: Regenerate.
3675         * testsuite/start_lib_test_main.c: New file.
3676         * testsuite/start_lib_test_1.c: New file.
3677         * testsuite/start_lib_test_2.c: New file.
3678         * testsuite/start_lib_test_3.c: New file.
3680 2010-08-19  Ian Lance Taylor  <iant@google.com>
3682         * Makefile.in: Rebuild with automake 1.11.1.
3683         * aclocal.m4: Likewise.
3684         * testsuite/Makefile.in: Likewise.
3686 2010-08-19  Ian Lance Taylor  <iant@google.com>
3688         PR 10893
3689         * i386.cc (class Output_data_plt_i386): Update declarations.
3690         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3691         local_ifuncs_ fields.
3692         (Target_i386::do_plt_section_for_global): New function.
3693         (Target_i386::do_plt_section_for_local): New function.
3694         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3695         parameter; change all callers.  Initialize global_ifuncs_ and
3696         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3697         __rel_iplt_end.
3698         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3699         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3700         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3701         symbols.
3702         (Target_i386::make_plt_section): New function, broken out of
3703         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3704         (Target_i386::make_plt_entry): Call make_plt_section.
3705         (Target_i386::make_local_ifunc_plt_entry): New function.
3706         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3707         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3708         R_386_IRELATIVE to switch.
3709         (Target_i386::Scan::global): Likewise.
3710         (Target_i386::Relocate::relocate): Likewise.
3711         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3712         switch.
3713         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3714         (Target_x86_64::do_plt_section_for_global): New function.
3715         (Target_x86_64::do_plt_section_for_local): New function.
3716         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3717         parameter; change all callers.  If doing a static link define
3718         __rela_iplt_start and __rela_iplt_end.
3719         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3720         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3721         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3722         to point to .plt.
3723         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3724         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3725         switch.
3726         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3727         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3728         R_X86_64_IRELATIVE to switch.
3729         (Target_x86_64::Scan::global): Likewise.
3730         (Target_x86_64::Relocate::relocate): Likewise.
3731         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3732         switch.
3733         * target.h (class Target): Add plt_section_for_global and
3734         plt_section_for_local functions.  Add do_plt_section_for_global
3735         and do_plt_section_for_local virtual functions.
3736         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3737         clarifying comments.
3738         (Symbol::use_plt_offset): Handle IFUNC symbol.
3739         * object.cc (Sized_relobj::Sized_relobj): Initialize
3740         local_plt_offsets_.
3741         (Sized_relobj::local_has_plt_offset): New function.
3742         (Sized_relobj::local_plt_offset): New function.
3743         (Sized_relobj::set_local_plt_offset): New function.
3744         (Sized_relobj::do_count): Handle IFUNC symbol.
3745         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3746         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3747         is_ifunc_symbol functions.
3748         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3749         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3750         local_plt_offsets_ field.
3751         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3752         * output.h (class Output_section_data): Add non-const
3753         output_section function.
3754         (class Output_data_got): Update declarations.
3755         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3756         Add use_plt_offset parameter to global and local constructors.
3757         Change all callers.  Change local_sym_index_ field to 31 bits.
3758         Change GSYM_CODE and CONSTANT_CODE accordingly.
3759         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3760         doing a static link don't set sh_link field.
3761         (Output_data_got::Got_entry::write): Use PLT offset if
3762         appropriate.
3763         (Output_data_got::add_global_plt): New function.
3764         (Output_data_got::add_local_plt): New function.
3765         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3766         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3767         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3768         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3769         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3770         IFUNC conditional.
3771         * testsuite/ifunc-sel.h: New file.
3772         * testsuite/ifuncmain1.c: New file.
3773         * testsuite/ifuncmain1vis.c: New file.
3774         * testsuite/ifuncmod1.c: New file.
3775         * testsuite/ifuncdep2.c: New file.
3776         * testsuite/ifuncmain2.c: New file.
3777         * testsuite/ifuncmain3.c: New file.
3778         * testsuite/ifuncmod3.c: New file.
3779         * testsuite/ifuncmain4.c: New file.
3780         * testsuite/ifuncmain5.c: New file.
3781         * testsuite/ifuncmod5.c: New file.
3782         * testsuite/ifuncmain6pie.c: New file.
3783         * testsuite/ifuncmod6.c: New file.
3784         * testsuite/ifuncmain7.c: New file.
3785         * configure, testsuite/Makefile.in: Rebuild.
3787 2010-08-18  Ian Lance Taylor  <iant@google.com>
3789         * incremental.cc
3790         (Output_section_incremental_inputs::write_input_files): Add cast
3791         to avoid signed/unsigned comparison warning.
3792         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3794 2010-08-12  Cary Coutant  <ccoutant@google.com>
3796         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3798 2010-08-13  Ian Lance Taylor  <iant@google.com>
3800         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3802 2010-08-12  Cary Coutant  <ccoutant@google.com>
3803             Doug Kwan  <dougkwan@google.com>
3805         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3806         defintion overrides non-weak undef, remember that the original undef
3807         is not weak.
3808         * symtab.cc (Symbol_table::sized_write_global): For undef without
3809         an original weak binding, set binding to global in output.
3810         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3811         * testsuite/Makefile.in: Regenerate.
3812         * testsuite/strong_ref_weak_def.sh: New file.
3813         * testsuite/strong_ref_weak_def_1.c: Ditto.
3814         * testsuite/strong_ref_weak_def_2.c: Ditto.
3816 2010-08-12  Cary Coutant  <ccoutant@google.com>
3818         * testsuite/incremental_test.sh: Rewrite.
3819         * testsuite/incremental_test_1.c: Rewrite.
3820         * testsuite/incremental_test_2.c: Rewrite.
3822 2010-08-12  Cary Coutant  <ccoutant@google.com>
3824         * arm.cc (Target_arm::got_size): Add const.
3825         (Target_arm::got_entry_count): New function.
3826         (Target_arm::plt_entry_count): New function.
3827         (Target_arm::first_plt_entry_offset): New function.
3828         (Target_arm::plt_entry_size): New function.
3829         (Output_data_plt_arm::entry_count): New function.
3830         (Output_data_plt_arm::first_plt_entry_offset): New function.
3831         (Output_data_plt_arm::get_plt_entry_size): New function.
3832         * i386.cc (Target_i386::got_size): Add const.
3833         (Target_i386::got_entry_count): New function.
3834         (Target_i386::plt_entry_count): New function.
3835         (Target_i386::first_plt_entry_offset): New function.
3836         (Target_i386::plt_entry_size): New function.
3837         (Output_data_plt_i386::entry_count): New function.
3838         (Output_data_plt_i386::first_plt_entry_offset): New function.
3839         (Output_data_plt_i386::get_plt_entry_size): New function.
3840         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3841         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3842         * incremental.cc: Include target.h.
3843         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3844         parameter.  Adjust all callers.  Find incremental_got_plt section.
3845         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3846         section.
3847         (Output_section_incremental_inputs::set_final_data_size): Calculate
3848         size of incremental_got_plt section.
3849         (Output_section_incremental_inputs::do_write): Write the
3850         incremental_got_plt section.
3851         (Got_plt_view_info): New struct.
3852         (Local_got_offset_visitor): New class.
3853         (Global_got_offset_visitor): New class.
3854         (Global_symbol_visitor_got_plt): New class.
3855         (Output_section_incremental_inputs::write_got_plt): New function.
3856         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3857         Add parameter.  Adjust all callers.
3858         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3859         (Incremental_inputs::got_plt_section): New function.
3860         (Incremental_inputs::got_plt_section_): New data member.
3861         (Incremental_got_plt_reader): New class.
3862         * layout.cc (Layout::create_incremental_info_sections): Add the
3863         incremental_got_plt section.
3864         * object.h (Got_offset_list::get_list): New function.
3865         (Got offset_list::for_all_got_offsets): New function.
3866         (Sized_relobj::local_got_offset_list): New function.
3867         * powerpc.cc (Target_powerpc::got_size): Add const.
3868         (Target_powerpc::got_entry_count): New function.
3869         (Target_powerpc::plt_entry_count): New function.
3870         (Target_powerpc::first_plt_entry_offset): New function.
3871         (Target_powerpc::plt_entry_size): New function.
3872         (Output_data_plt_powerpc::entry_count): New function.
3873         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3874         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3875         * sparc.cc (Target_sparc::got_size): Add const.
3876         (Target_sparc::got_entry_count): New function.
3877         (Target_sparc::plt_entry_count): New function.
3878         (Target_sparc::first_plt_entry_offset): New function.
3879         (Target_sparc::plt_entry_size): New function.
3880         (Output_data_plt_sparc::entry_count): New function.
3881         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3882         (Output_data_plt_sparc::get_plt_entry_size): New function.
3883         * symtab.h (Symbol::got_offset_list): New function.
3884         (Symbol_table::for_all_symbols): New function.
3885         * target.h (Sized_target::got_entry_count): New function.
3886         (Sized_target::plt_entry_count): New function.
3887         (Sized_target::plt_entry_size): New function.
3888         * x86_64.cc (Target_x86_64::got_size): Add const.
3889         (Target_x86_64::got_entry_count): New function.
3890         (Target_x86_64::plt_entry_count): New function.
3891         (Target_x86_64::first_plt_entry_offset): New function.
3892         (Target_x86_64::plt_entry_size): New function.
3893         (Output_data_plt_x86_64::entry_count): New function.
3894         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3895         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3897 2010-08-12  Cary Coutant  <ccoutant@google.com>
3899         * archive.cc: Include incremental.h.
3900         (Archive::Archive): Initialize incremental_info_.
3901         (Archive::include_member): Record archive members in incremental info.
3902         (Add_archive_symbols::run): Record begin and end of an archive in
3903         incremental info.
3904         (Lib_group::include_member): Record objects in incremental info.
3905         * archive.h (Incremental_archive_entry): Forward declaration.
3906         (Archive::set_incremental_info): New member function.
3907         (Archive::incremental_info): New member function.
3908         (Archive::Unused_symbol_iterator): New class.
3909         (Archive::unused_symbols_begin): New member function.
3910         (Archive::unused_symbols_end): New member function.
3911         (Archive::incremental_info_): New data member.
3912         * incremental-dump.cc (find_input_containing_global): New function.
3913         (dump_incremental_inputs): Dump new incremental info sections.
3914         * incremental.cc: Include symtab.h.
3915         (Output_section_incremental_inputs): New class.
3916         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3917         new incremental info sections.
3918         (Sized_incremental_binary::do_check_inputs): Likewise.
3919         (Incremental_inputs::report_archive): Remove.
3920         (Incremental_inputs::report_archive_begin): New function.
3921         (Incremental_inputs::report_archive_end): New function.
3922         (Incremental_inputs::report_object): New function.
3923         (Incremental_inputs::finalize_inputs): Remove.
3924         (Incremental_inputs::report_input_section): New function.
3925         (Incremental_inputs::report_script): Rewrite.
3926         (Incremental_inputs::finalize): Do nothing but finalize string table.
3927         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3928         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3929         (Incremental_inputs::create_data_sections): New function.
3930         (Incremental_inputs::relocs_entsize): New function.
3931         (Output_section_incremental_inputs::set_final_data_size): New function.
3932         (Output_section_incremental_inputs::do_write): New function.
3933         (Output_section_incremental_inputs::write_header): New function.
3934         (Output_section_incremental_inputs::write_input_files): New function.
3935         (Output_section_incremental_inputs::write_info_blocks): New function.
3936         (Output_section_incremental_inputs::write_symtab): New function.
3937         * incremental.h (Incremental_script_entry): Forward declaration.
3938         (Incremental_object_entry): Forward declaration.
3939         (Incremental_archive_entry): Forward declaration.
3940         (Incremental_inputs): Forward declaration.
3941         (Incremental_inputs_header_data): Remove.
3942         (Incremental_inputs_header): Remove.
3943         (Incremental_inputs_header_write): Remove.
3944         (Incremental_inputs_entry_data): Remove.
3945         (Incremental_inputs_entry): Remove.
3946         (Incremental_inputs_entry_write): Remove.
3947         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3948         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3949         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3950         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3951         Likewise.
3952         (Incremental_input_entry): New class.
3953         (Incremental_script_entry): New class.
3954         (Incremental_object_entry): New class.
3955         (Incremental_archive_entry): New class.
3956         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3957         (Incremental_inputs::report_inputs): Remove.
3958         (Incremental_inputs::report_archive): Remove.
3959         (Incremental_inputs::report_archive_begin): New function.
3960         (Incremental_inputs::report_archive_end): New function.
3961         (Incremental_inputs::report_object): Change prototype.
3962         (Incremental_inputs::report_input_section): New function.
3963         (Incremental_inputs::report_script): Change prototype.
3964         (Incremental_inputs::get_reloc_count): New function.
3965         (Incremental_inputs::set_reloc_count): New function.
3966         (Incremental_inputs::create_data_sections): New function.
3967         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3968         (Incremental_inputs::inputs_section): New function.
3969         (Incremental_inputs::symtab_section): New function.
3970         (Incremental_inputs::relocs_section): New function.
3971         (Incremental_inputs::get_stringpool): Add const.
3972         (Incremental_inputs::command_line): Add const.
3973         (Incremental_inputs::inputs): Remove.
3974         (Incremental_inputs::command_line_key): New function.
3975         (Incremental_inputs::input_file_count): New function.
3976         (Incremental_inputs::input_files): New function.
3977         (Incremental_inputs::relocs_entsize): New function.
3978         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3979         (Incremental_inputs::finalize_inputs): Remove.
3980         (Incremental_inputs::Input_info): Remove.
3981         (Incremental_inputs::lock_): Remove.
3982         (Incremental_inputs::inputs_): Change type.
3983         (Incremental_inputs::inputs_map_): Remove.
3984         (Incremental_inputs::current_object_entry_): New data member.
3985         (Incremental_inputs::inputs_section_): New data member.
3986         (Incremental_inputs::symtab_section_): New data member.
3987         (Incremental_inputs::relocs_section_): New data member.
3988         (Incremental_inputs::reloc_count_): New data member.
3989         (Incremental_inputs_reader): New class.
3990         (Incremental_symtab_reader): New class.
3991         (Incremental_relocs_reader): New class.
3992         * layout.cc (Layout::finalize): Move finalization of incremental info
3993         and creation of incremental info sections to follow finalization of
3994         symbol table.  Set offsets for postprocessing sections.
3995         (Layout::create_incremental_info_sections): Call
3996         Incremental_inputs::create_data_sections.  Add incremental symtab
3997         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3998         sections to layout after input sections.
3999         * layout.h (struct Timespec): Forward declaration.
4000         (Layout::incremental_inputs): Add const.
4001         (Layout::create_incremental_info_sections): Add parameter.
4002         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4003         * object.cc: Include incremental.h.
4004         (Relobj::finalize_incremental_relocs): New function.
4005         (Sized_relobj::do_layout): Record input sections in incremental info.
4006         * object.h (Object::output_section): New function.
4007         (Object::output_section_offset): Moved from Relobj.
4008         (Object::get_incremental_reloc_base): New function.
4009         (Object::get_incremental_reloc_count): New function.
4010         (Object::do_output_section): New function.
4011         (Object::do_output_section_offset): Moved from Relobj.
4012         (Object::do_get_incremental_reloc_base): New function.
4013         (Object::do_get_incremental_reloc_count): New function.
4014         (Object::Object): Initialize new data members.
4015         (Relobj::output_section): Renamed do_output_section and moved to
4016         protected.
4017         (Relobj::output_section_offset): Moved to Object.
4018         (Relobj::do_get_incremental_reloc_base): New function.
4019         (Relobj::do_get_incremental_reloc_count): New function.
4020         (Relobj::allocate_incremental_reloc_counts): New function.
4021         (Relobj::count_incremental_reloc): New function.
4022         (Relobj::finalize_incremental_relocs): New function.
4023         (Relobj::next_incremental_reloc_index): New function.
4024         (Relobj::reloc_counts_): New data member.
4025         (Relobj::reloc_bases_): New data member.
4026         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4027         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4028         (Sized_relobj::incremental_relocs_scan): New function.
4029         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4030         (Sized_relobj::incremental_relocs_write): New function.
4031         (Sized_relobj::incremental_relocs_write_reltype): New function.
4032         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4033         incremental link.
4034         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4035         archives and object files elsewhere.
4036         (Add_symbols::run): Report object files here.
4037         (Finish_group::run): Report end of archive at end of group.
4038         * reloc.cc: Include layout.h, incremental.h.
4039         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4040         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4041         (Sized_relobj::incremental_relocs_scan): New function.
4042         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4043         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4044         (Sized_relobj::incremental_relocs_write): New function.
4045         (Sized_relobj::incremental_relocs_write_reltype): New function.
4046         * script.cc (read_input_script): Rewrite test for incremental link.
4047         Change call to Incremental_inputs::report_script.
4048         * symtab.h (Symbol_table::first_global_index): New function.
4049         (Symbol_table::output_count): New function.
4051 2010-08-12  Doug Kwan  <dougkwan@google.com>
4053         * arm.cc (Target_arm::merge_object_attributes): Check command line
4054         options --no-wchar-size-warning and --no-enum-size-warning.
4055         * options.h (General_options): Add ld-compatible options
4056         --no-enum-size-warning and --no-wchar-size-warning.
4058 2010-08-04  Ian Lance Taylor  <iant@google.com>
4060         * x86_64.cc (Target_x86_64::Scan::local): Use
4061         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4062         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4063         (Target_x86_64::Scan::global): Likewise.
4064         (Target_x86_64::Relocate::relocate): Likewise.
4065         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4066         Likewise.
4068 2010-08-03  Cary Coutant  <ccoutant@google.com>
4070         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4071         to reserve space in merged_strings vector. Keep total input size
4072         for stats.
4073         (Output_merge_string::do_print_merge_stats): Print total input size.
4074         * merge.h (Output_merge_string): Add input_size_ field.
4075         * stringpool.cc (Stringpool_template::string_length): Move
4076         implementations out of Stringpool_template class and place in
4077         stringpool.h.
4078         * stringpool.h (string_length): Move out of Stringpool_template.
4080 2010-08-03  Ian Lance Taylor  <iant@google.com>
4082         PR 11712
4083         * layout.cc (relaxation_loop_body): If address of load segment is
4084         set, adjust address to include headers if possible.
4086 2010-08-03  Ian Lance Taylor  <iant@google.com>
4088         * version.cc (version_string): Bump to 1.10.
4090 2010-08-03  Ian Lance Taylor  <iant@google.com>
4092         PR 11805
4093         * layout.h (enum Output_section_order): Define.
4094         (class Layout): Update declarations.
4095         * layout.cc (Layout::get_output_section): Add order parameter.
4096         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4097         is_first_non_relro parameters.  Change all callers.
4098         (Layout::choose_output_section): Likewise.
4099         (Layout::add_output_section_data): Likewise.
4100         (Layout::make_output_section): Likewise.  Set order.
4101         (Layout::default_section_order): New function.
4102         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4103         * output.cc (Output_section::Output_section): Initialize order_.
4104         Don't initialize deleted fields.
4105         (Output_segment::Output_segment): Don't initialize deleted
4106         fields.
4107         (Output_segment::add_output_section_to_load): New function
4108         replacing add_output_section.  Change all callers to call this or
4109         add_output_section_to_nonload.
4110         (Output_segment::add_output_section_to_nonload): New function.
4111         (Output_segment::remove_output_section): Rewrite.
4112         (Output_segment::add_initial_output_data): Likewise.
4113         (Output_segment::has_any_data_sections): Likewise.
4114         (Output_segment::is_first_section_relro): Likewise.
4115         (Output_segment::maximum_alignment): Likewise.
4116         (Output_segment::has_dynamic_reloc): New function replacing
4117         dynamic_reloc_count.  Change all callers.
4118         (Output_segment::has_dynamic_reloc_list): New function replacing
4119         dynamic_reloc_count_list.  Change all callers.
4120         (Output_segment::set_section_addresses): Rewrite.
4121         (Output_segment::set_offset): Rewrite.
4122         (Output_segment::find_first_and_last_list): Remove.
4123         (Output_segment::set_tls_offsets): Rewrite.
4124         (Output_segment::first_section_load_address): Likewise.
4125         (Output_segment::output_section_count): Likewise.
4126         (Output_segment::section_with_lowest_load_address): Likewise.
4127         (Output_segment::write_section_headers): Likewise.
4128         (Output_segment::print_sections_to_map): Likewise.
4129         * output.h (class Output_data): Remove dynamic_reloc_count_
4130         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4131         (Output_data::add_dynamic_reloc): Rewrite.
4132         (Output_data::has_dynamic_reloc): New function.
4133         (Output_data::dynamic_reloc_count): Remove.
4134         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4135         is_last_relro_, is_first_non_relro_, is_interp_,
4136         is_dynamic_linker_section_ fields.  Add order and set_order
4137         functions.  Remove is_relro_local, set_is_relro_local,
4138         is_last_relro, set_is_last_relro, is_first_non_relro,
4139         set_is_first_non_relro functions, is_interp, set_is_interp,
4140         is_dynamic_linker_section, and set_is_dynamic_linker_section
4141         functions.
4142         (class Output_segment): Change Output_data_list from std::list to
4143         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4144         output_bss_ fields.  Update declarations.
4146 2010-08-02  Ian Lance Taylor  <iant@google.com>
4148         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4149         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4150         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4152 2010-08-02  Ian Lance Taylor  <iant@google.com>
4154         PR 11855
4155         * script.cc (Script_options::Script_options): Initialize
4156         symbol_definitions_ and symbol_references_.
4157         (Script_options::add_symbol_assignment): Update
4158         symbol_definitions_ and symbol_references_.
4159         (Script_options::add_symbol_reference): New function.
4160         (script_symbol): New function.
4161         * script.h (class Script_options): Add symbol_definitions_ and
4162         symbol_references_ fields.
4163         (Script_options::referenced_const_iterator): New type.
4164         (Script_options::referenced_begin): New function.
4165         (Script_options::referenced_end): New function.
4166         (Script_options::is_referenced): New function.
4167         (Script_options::any_unreferenced): New function.
4168         * script-c.h (script_symbol): Declare.
4169         * yyscript.y (exp): Call script_symbol.
4170         * symtab.cc: Include "script.h".
4171         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4172         Change all callers.  Check symbols referenced by scripts.
4173         (Symbol_table::add_undefined_symbols_from_command_line): Add
4174         layout parameter.  Change all callers.
4175         (Symbol_table::do_add_undefined_symbols_from_command_line):
4176         Likewise.  Break out loop body.  Check symbols referenced by
4177         scripts.
4178         (Symbol_table::add_undefined_symbol_from_command_line): New
4179         function broken out of
4180         do_add_undefined_symbols_from_command_line.
4181         * symtab.h (class Symbol_table): Update declarations.
4182         * archive.cc: Include "layout.h".
4183         (Archive::should_include_member): Add layout parameter.  Change
4184         all callers.  Check for symbol mentioned in expression.
4185         * archive.h (class Archive): Update declaration.
4186         * object.cc (Sized_relobj::do_should_include_member): Add layout
4187         parameter.
4188         * object.h (Object::should_include_member): Add layout parameter.
4189         Change all callers.
4190         (Object::do_should_include_member): Add layout parameter.
4191         (class Sized_relobj): Update declaration.
4192         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4193         parameter.
4194         * dynobj.h (class Sized_dynobj): Update declaration.
4195         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4196         layout parameter.
4197         * plugin.h (class Sized_pluginobj): Update declaration.
4199 2010-08-02  Ian Lance Taylor  <iant@google.com>
4201         PR 11866
4202         * output.cc (Output_segment::set_offset): Search for the first and
4203         last sections rather than assuming that the list is in order.
4204         (Output_segment::find_first_and_last_list): New function.
4205         * output.h (class Output_segment): Update declarations.
4206         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4207         (relro_strip_test_SOURCES): New variable.
4208         (relro_strip_test_DEPENDENCIES): New variable.
4209         (relro_strip_test_LDFLAGS): New variable.
4210         (relro_strip_test_LDADD): New variable.
4211         (relro_strip_test.so): New target.
4213 2010-08-02  Ian Lance Taylor  <iant@google.com>
4215         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4216         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4217         (Target_i386::got_tlsdesc_section): New function.
4218         (Target_i386::got_section): Create space for GOT entries for
4219         TLSDESC relocations.
4220         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4221         R_386_TLS_GOTDESC.
4222         (Target_i386::Scan::global): Likewise.
4223         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4224         using TLSDESC GOT.
4225         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4226         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4227         (Target_x86_64::got_tlsdesc_section): New function.
4228         (Target_x86_64::got_section): Create space for GOT entries for
4229         TLSDESC relocations.
4230         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4231         R_386_TLS_GOTDESC.
4232         (Target_x86_64::Scan::global): Likewise.
4233         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4234         using TLSDESC GOT.
4236 2010-08-02  Ian Lance Taylor  <iant@google.com>
4238         * testsuite/final_layout.sh: Use dc to convert from hex to
4239         decimal.
4241 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4243         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4244         paramter to the call to gold::gc_process_relocs.
4245         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4246         paramter to the call to gold::gc_process_relocs.
4247         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4248         parameter to the call to gold::gc_process_relocs.
4249         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4250         template parameter to the call to gold::gc_process_relocs.
4251         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4252         paramter to the call to gold::gc_process_relocs.
4253         * gc.h (get_embedded_addend_size): New function.
4254         (gc_process_relocs): Save the size of the reloc for use by ICF.
4255         * icf.cc (get_section_contents): Get the addend from the text section
4256         for SHT_REL relocation sections.
4257         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4258         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4259         * int_encoding.h (read_from_pointer): New overloaded function.
4260         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4261         * testsuite/icf_sht_rel_addend_test.sh: New file.
4262         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4263         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4265 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4267         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4268         * Makefile.in: Regenerate.
4269         * testsuite/Makefile.in: Regenerate.
4271 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4273         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4274         * gold/testsuite/debug_msg.cc: Likewise.
4275         * gold/testsuite/odr_violation1.cc
4276         * gold/testsuite/odr_violation2.cc
4278 2010-07-21  Cary Coutant  <ccoutant@google.com>
4280         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4281         string, and length fields.
4282         (Output_merge_string::Merged_strings_list): New type.
4283         (Output_merge_string::Merged_strings_lists): New typedef.
4284         (Output_merge_string): Replace merged_strings_ with
4285         merged_strings_lists_.
4286         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4287         Merged_strings_list per input object and section.  Don't store pointer
4288         to the string.  Don't store length with each merged string entry.
4289         (Output_merge_string::finalize_merged_data): Loop over list of merged
4290         strings lists.  Recompute length of each merged string.
4292 2010-07-15  Cary Coutant  <ccoutant@google.com>
4294         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4295         here.
4297 2010-07-14  Ian Lance Taylor  <iant@google.com>
4299         * descriptors.cc (Descriptors::open): Report correct name in error
4300         message.
4302 2010-07-13  Doug Kwan  <dougkwan@google.com>
4304         * arm.cc (Arm_input_section::Arm_input_section): For a
4305         SHT_ARM_EXIDX section, always keeps the input sections.
4306         (Arm_input_section::set_exidx_section_link): New method.
4307         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4308         has_errors_ to false.
4309         (Arm_exidx_input_section::has_errors,
4310         Arm_exidx_input_section::set_has_errors): New methods.
4311         (Arm_exidx_input_section::has_errors_): New data member.
4312         (Arm_relobj::get_exidx_shndx_list): New method.
4313         (Arm_output_section::append_text_sections_to_list): Do not skip
4314         section without SHF_EXECINSTR.
4315         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4316         errors.
4317         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4318         section header.  Make error messages more verbose.  Check for
4319         a non-executable section linked to an EXIDX section.
4320         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4321         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4322         check that there is no deferred EXIDX section if we exit early.
4323         Instead of not making an EXIDX section in case of an error, make one
4324         and set the has_errors flag of it.
4325         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4326         in a relocatable link.
4327         (Target_arm::do_relax): Look for the EXIDX output section instead of
4328         assuming that it is called .ARM.exidx.
4329         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4330         section list.  Do not check for SHF_EXECINSTR section flags but
4331         skip any input section with errors.
4332         * output.cc (Output_section::Output_section): Initialize
4333         always_keeps_input_sections_ to false.
4334         (Output_section::add_input_section): Check for
4335         always_keeps_input_sections_.
4336         *  output.h (Output_section::always_keeps_input_sections,
4337         Output_section::set_always_keeps_input_sections): New methods.
4338         (Output_section::always_keeps_input_sections): New data member.
4340 2010-07-13  Rafael Espindola  <espindola@google.com>
4342         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4343         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4345 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4346             Ian Lance Taylor  <iant@google.com>
4348         * output.h (Output_section_lookup_maps::add_merge_section):
4349         Correct check of whether value was inserted.
4350         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4351         (Output_section_lookup_maps::add_relaxed_input_section):
4352         Likewise.
4353         * arm.cc (Target_arm::got_section): Remove used local os.
4354         * i386.cc (Target_i386::got_section): Likewise.
4355         * x86_64.cc (Target_x86_64::got_section): Likewise.
4356         * sparc.cc (Target_sparc::got_section): Likewise.
4357         (Target_sparc::relocate): Remove unused local have_got_offset.
4358         * powerpc.cc (Target_powerpc::relocate): Likewise.
4360 2010-07-13  Ian Lance Taylor  <iant@google.com>
4362         * compressed_output.cc (zlib_decompress): Fix signature in
4363         !HAVE_ZLIB_H case.
4365         * archive.cc (Archive::include_member): Unlock an external member
4366         of a thin archive.  Don't bother to delete an object we know is
4367         NULL.
4369 2010-07-12  Cary Coutant  <ccoutant@google.com>
4371         * compressed_output.cc (zlib_decompress): New function.
4372         (get_uncompressed_size): New function.
4373         (decompress_input_section): New function.
4374         * compressed_output.h (get_uncompressed_size): New function.
4375         (decompress_input_section): New function.
4376         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4377         Handle compressed debug sections.
4378         * layout.cc (is_compressed_debug_section): New function.
4379         (Layout::output_section_name): Map compressed section names to
4380         canonical names.
4381         * layout.h (is_compressed_debug_section): New function.
4382         (is_debug_info_section): Recognize compressed debug sections.
4383         * merge.cc: Include compressed_output.h.
4384         (Output_merge_data::do_add_input_section): Handle compressed
4385         debug sections.
4386         (Output_merge_string::do_add_input_section): Handle compressed
4387         debug sections.
4388         * object.cc: Include compressed_output.h.
4389         (Sized_relobj::Sized_relobj): Initialize new data members.
4390         (build_compressed_section_map): New function.
4391         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4392         * object.h (Object::section_is_compressed): New method.
4393         (Object::do_section_is_compressed): New method.
4394         (Sized_relobj::Compressed_section_map): New type.
4395         (Sized_relobj::do_section_is_compressed): New method.
4396         (Sized_relobj::compressed_sections_): New data member.
4397         * output.cc (Output_section::add_input_section): Handle compressed
4398         debug sections.
4399         * reloc.cc: Include compressed_output.h.
4400         (Sized_relobj::write_sections): Handle compressed debug sections.
4402 2010-07-08  Cary Coutant  <ccoutant@google.com>
4404         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4405         weak when resolving to a dynamic def.
4406         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4407         for weak undef/dynamic def cases. Adjust callers.
4408         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4409         undef_binding_weak_.
4410         (Symbol_table::sized_write_globals): Adjust symbol binding.
4411         (Symbol_table::sized_write_symbol): Add binding parameter.
4412         * symtab.h (Symbol::set_undef_binding): New method.
4413         (Symbol::is_undef_binding_weak): New method.
4414         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4415         (Symbol_table::should_override): Add new parameter.
4416         (Symbol_table::sized_write_symbol): Add new parameter.
4418         * testsuite/weak_undef_file1.cc: Add new test case.
4419         * testsuite/weak_undef_file2.cc: Fix header comment.
4420         * testsuite/weak_undef_test.cc: Add new test case.
4422 2010-06-29  Doug Kwan  <dougkwan@google.com>
4424         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4425         Initialize USE_SYMBOL_.
4426         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4427         definition.
4428         (Arm_reloc_property::uses_symbol_): New data member declaration.
4429         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4430         uses symbol value and symbol is undefined but not weakly undefined.
4432 2010-06-28  Rafael Espindola  <espindola@google.com>
4434         * plugin.cc (Plugin::load): Use dlerror.
4436 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4438         * symtab.cc (detect_odr_violations): When reporting an ODR
4439         violation, report an object where the symbol is defined.
4441 2010-06-25  Doug Kwan  <dougkwan@google.com>
4443         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4444         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4445         definition.
4446         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4447         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4448         target hook to detect function points.
4449         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4450         * icf.h (Icf::check_section_for_function_pointers): Change type of
4451         parameter SECTION_NAME to const reference to std::string.  Use
4452         target hook to determine if section may have unsafe pointers.
4453         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4454         method definition.
4456 2010-06-21  Rafael Espindola  <espindola@google.com>
4458         * fileread.cc (Input_file::find_fie): New
4459         (Input_file::open): Use Input_file::find_fie.
4460         * fileread.h (Input_file::find_fie): New
4461         * plugin.cc (set_extra_library_path): New.
4462         (Plugin::load): Add set_extra_library_path to the transfer vector.
4463         (Plugin_manager::set_extra_library_path): New.
4464         (Plugin_manager::add_input_file): Use the extra search path if set.
4465         (set_extra_library_path(): New.
4466         * plugin.h (Plugin_manager): Add set_extra_library_path and
4467         extra_search_path_.
4469 2010-06-19  Cary Coutant  <ccoutant@google.com>
4471         * layout.cc (gdb_sections): Add .debug_types.
4472         (lines_only_debug_sections): Likewise.
4474 2010-06-18  Rafael Espindola  <espindola@google.com>
4476         * plugin.cc (add_input_file,add_input_library)
4477         (Plugin_manager::add_input_file): Make filename arguments const.
4478         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4479         const.
4481 2010-06-16  Doug Kwan  <dougkwan@google.com>
4483         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4484         .ARM.attributes section if we have not merged any input
4485         attributes sections.
4487 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4489         * arm.cc: Allow combining objects with no EABI version
4490         information.
4492 2010-06-15  Rafael Espindola  <espindola@google.com>
4494         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4496 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4498         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4499         (struct iovec): Correct !HAVE_READV definition.
4501 2010-06-10  Cary Coutant  <ccoutant@google.com>
4503         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4504         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4505         reloc sections.
4506         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4508         PR 11683
4509         * symtab.h (Symbol::is_placeholder): New member function.
4510         * target-reloc.h (relocate_section): Check for placeholder symbols.
4512         * testsuite/Makefile.am (plugin_test_8): New test.
4513         (plugin_test_9): New test.
4514         * testsuite/Makefile.in: Regenerate.
4516 2010-06-09  Nick Clifton  <nickc@redhat.com>
4518         * yyscript.y (input_list_element): Allow strings prefixed with
4519         the '-' character.  Treat these as libraries.
4520         * script.cc (script_add_library): New function.  Adds a library
4521         specified by "-l<name>" found in an input script.
4522         * script-c.h: Add prototype for script_add_library.
4524 2010-06-07  Doug Kwan  <dougkwan@google.com>
4526         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4527         Restrict stub-group size to be within long conditional branch
4528         range when working around cortex-A8 erratum.
4530 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4532         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4533         #ifdef typo.
4535 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4537         PR gold/11658
4538         * output.cc
4539         (Output_section::Input_section_sort_entry::compare_section_ordering):
4540         Change to return non-zero correctly.
4541         (Output_section::Input_section_sort_section_order_index_compare
4542         ::operator()): Change to fix ambiguity in comparisons.
4544 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4546         * gold.h (is_wildcard_string): New function.
4547         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4548         (Layout::layout_eh_frame): Ditto.
4549         (Layout::find_section_order_index): New method.
4550         (Layout::read_layout_from_file): New method.
4551         * layout.h (Layout::find_section_order_index): New method.
4552         (Layout::read_layout_from_file): New method.
4553         (Layout::input_section_position_): New private member.
4554         (Layout::input_section_glob_): New private member.
4555         * main.cc (main): Call read_layout_from_file here.
4556         * options.h (--section-ordering-file): New option.
4557         * output.cc (Output_section::input_section_order_specified_): New
4558         member.
4559         (Output_section::Output_section): Initialize new member.
4560         (Output_section::add_input_section): Add new parameter.
4561         Keep input sections when --section-ordering-file is used.
4562         (Output_section::set_final_data_size): Sort input sections when
4563         section ordering file is specified.
4564         (Output_section::Input_section_sort_entry): Add new parameter.
4565         Check sorting type.
4566         (Output_section::Input_section_sort_entry::compare_section_ordering):
4567         New method.
4568         (Output_section::Input_section_sort_compare::operator()): Change to
4569         consider section_order_index.
4570         (Output_section::Input_section_sort_init_fini_compare::operator()):
4571         Change to consider section_order_index.
4572         (Output_section::Input_section_sort_section_order_index_compare
4573         ::operator()): New method.
4574         (Output_section::sort_attached_input_sections): Change to sort
4575         according to section order when specified.
4576         (Output_section::add_input_section<32, true>): Add new parameter.
4577         (Output_section::add_input_section<64, true>): Add new parameter.
4578         (Output_section::add_input_section<32, false>): Add new parameter.
4579         (Output_section::add_input_section<64, false>): Add new parameter.
4580         * output.h (Output_section::add_input_section): Add new parameter.
4581         (Output_section::input_section_order_specified): New
4582         method.
4583         (Output_section::set_input_section_order_specified): New method.
4584         (Input_section::Input_section): Initialize section_order_index_.
4585         (Input_section::section_order_index): New method.
4586         (Input_section::set_section_order_index): New method.
4587         (Input_section::section_order_index_): New member.
4588         (Input_section::Input_section_sort_section_order_index_compare): New
4589         struct.
4590         (Output_section::input_section_order_specified_): New member.
4591         * script-sections.cc (is_wildcard_string): Delete and move modified
4592         method to gold.h.
4593         (Output_section_element_input::Output_section_element_input): Modify
4594         call to is_wildcard_string.
4595         (Output_section_element_input::Input_section_pattern
4596         ::Input_section_pattern): Ditto.
4597         (Output_section_element_input::Output_section_element_input): Ditto.
4598         * testsuite/Makefile.am (final_layout): New test case.
4599         * testsuite/Makefile.in: Regenerate.
4600         * testsuite/final_layout.cc: New file.
4601         * testsuite/final_layout.sh: New file.
4603 2010-06-01  Rafael Espindola  <espindola@google.com>
4605         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4607 2010-06-01  Rafael Espindola  <espindola@google.com>
4609         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4610         visibility of symbols.
4612 2010-05-27  Doug Kwan  <dougkwan@google.com>
4614         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4615         from start of output section instead of address for a local symbol
4616         in a merged or relaxed section when doing a relocatable link.
4618 2010-05-26  Rafael Espindola  <espindola@google.com>
4620        PR 11604
4621         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4622         adding sections the garbage collector removed.
4623         * gold/testsuite/Makefile.am: Add test.
4624         * gold/testsuite/Makefile.in: Regenerate.
4625         * gold/testsuite/plugin_test_7.sh: New.
4626         * gold/testsuite/plugin_test_7_1.c: New.
4627         * gold/testsuite/plugin_test_7_2.c: New.
4629 2010-05-26  Rafael Espindola  <espindola@google.com>
4631         * script-sections.cc (Output_section_definition::set_section_addresses):
4632         Check for --section-start.
4634 2010-05-26  Doug Kwan  <dougkwan@google.com>
4636         * arm.cc (Arm_scan_relocatable_relocs): New class.
4637         (Target_arm::relocate_special_relocatable): New method.
4638         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4639         (Arm_relocate_functions::thumb_branch_common): Same.
4640         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4641         instead of Default_scan_relocatable_relocs.
4642         * target-reloc.h (relocate_for_relocatable): Let target handle
4643         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4644         * target.h (Sized_target::relocate_special_relocatable): New method.
4646 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4648         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4650 2010-05-23  Doug Kwan  <dougkwan@google.com>
4652         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4653         instead of a cast.
4654         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4655         with a direct branch, not a conditional branch, to a stub.
4656         * merge.cc (Output_merge_base::record_input_section): New method
4657         defintion.
4658         (Output_merge_data::do_add_input_section): Record input section if
4659         keeps-input-sections flag is set.
4660         (Output_merge_string::do_add_input_section): Ditto.
4661         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4662         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4663         INPUT_SECTIONS_.
4664         (Output_merge_base::keeps_input_sections,
4665         Output_merge_base::set_keeps_input_sections,
4666         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4667         method definitions.
4668         (Output_merge_base::Input_sections): New type declaration.
4669         (Output_merge_base::input_sections_begin,
4670         Output_merge_base::input_sections_end,
4671         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4672         (Output_merge_base::bool keeps_input_sections_,
4673         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4674         Output_merge_base::input_sections_): New data members.
4675         (Output_merge_data::do_set_keeps_input_sections): New method
4676         defintion.
4677         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4678         * output.cc (Output_section::Input_section::relobj): Move method
4679         defintion from class declaration to here and handle merge sections.
4680         (Output_section::Input_section::shndx): Ditto.
4681         (Output_section::Output_section): Remove initializations of removed
4682         data members and initialize new data member LOOKUP_MAPS_.
4683         (Output_section::add_input_section): Set keeps-input-sections flag
4684         for a newly created merge output section as appropriate.  Adjust code
4685         to use Output_section_lookup_maps class.
4686         (Output_section::add_relaxed_input_section): Adjst code for lookup
4687         maps code refactoring.
4688         (Output_section::add_merge_input_section): Add a new parameter
4689         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4690         class.  If adding input section to a newly created merge output
4691         section fails, remove the new merge section.
4692         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4693         Adjust code for use of the Output_section_lookup_maps class.
4694         (Output_section::find_merge_section): Ditto.
4695         (Output_section::build_lookup_maps): New method defintion.
4696         (Output_section::find_relaxed_input_section): Adjust code to use
4697         Output_section_lookup_maps class.
4698         (Output_section::get_input_sections): Export merge sections.  Adjust
4699         code to use Output_section_lookup_maps class.
4700         (Output_section:::add_script_input_section): Adjust code to use
4701         Output_section_lookup_maps class.  Update lookup maps for merge
4702         sections also.
4703         (Output_section::discard_states): Use Output_section_lookup_maps.
4704         (Output_section::restore_states): Same.
4705         * output.h (Merge_section_properties): Move class defintion out of
4706         Output_section.
4707         (Output_section_lookup_maps): New class.
4708         (Output_section::Input_section::is_merge_section): New method
4709         defintion.
4710         (Output_section::Input_section::relobj): Move defintion out of class
4711         defintion.  Declare method only.
4712         (Output_section::Input_section::shndx): Ditto.
4713         (Output_section::Input_section::output_merge_base): New method defintion.
4714         (Output_section::Input_section::u2_.pomb): New union field.
4715         (Output_section::Merge_section_by_properties_map,
4716         Output_section::Output_section_data_by_input_section_map,
4717         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4718         Remove types.
4719         (Output_section::add_merge_input_section): Add new parameter
4720         KEEPS_INPUT_SECTIONS.
4721         (Output_section::build_lookup_maps): New method declaration.
4722         (Output_section::merge_section_map_,
4723         Output_section::merge_section_by_properties_map_,
4724         Output_section::relaxed_input_section_map_,
4725         Output_section::is_relaxed_input_section_map_valid_): Remove data
4726         members.
4727         (Output_section::lookup_maps_): New data member.
4729 2010-05-21  Doug Kwan  <dougkwan@google.com>
4731         PR gold/11619
4732         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4733         avoid a compilation error.
4735 2010-05-19  Rafael Espindola  <espindola@google.com>
4737         * script-sections.cc (Output_section_definition::allocate_to_segment):
4738         Update the phdrs_list even when the output section is NULL.
4739         * testsuite/Makefile.am: Add test.
4740         * testsuite/Makefile.in: Regenerate.
4741         * testsuite/script_test_9.cc: New.
4742         * testsuite/script_test_9.sh: New.
4743         * testsuite/script_test_9.t: New.
4745 2010-05-19  Doug Kwan  <dougkwan@google.com>
4747         * arm.cc (Arm_input_section::original_size): New method.
4748         (Arm_input_section::do_addralign): Add a cast.
4749         (Arm_input_section::do_output_offset): Remove static cast.
4750         (Arm_input_section::original_addralign,
4751          Arm_input_section::original_size_): Change type to uint32_t.
4752         (Arm_input_section::init): Add safe casts for section alignment
4753         and size.
4754         (Arm_input_section::set_final_data_size): Do not set address and
4755         offset of stub table.
4756         (Arm_output_section::fix_exidx_coverage): Change use of of
4757         Output_section::Simple_input_section to that of
4758         Output_section::Input_section.
4759         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4760         except for the first pass.
4761         * output.cc (Output_section::get_input_sections): Change type of
4762         input_sections to std::list<Input_section>.
4763         (Output_section::add_script_input_section): Rename from
4764         Output_section::add_simple_input_section.  Change type of SIS
4765         parameter from Simple_input_section to Input_section.
4766         * output.h (Output_section::Simple_input_section): Remove class.
4767         (Output_section::Input_section): Change class visibility to public.
4768         (Output_section::Input_section::addralign): Use stored alignments
4769         for special input sections if set.
4770         (Output_section::Input_section::set_addralign): New method.
4771         (Output_section::get_input_sections): Change parameter type from
4772         list of Simple_input_section to list of Input_section.
4773         (Output_section::add_script_input_section): Rename from
4774         Output_section::add_simple_input_section. Change first parameter's
4775         type from Simple_input_section to Input_section and remove the
4776         second and third parameters.
4777         * script-sections.cc (Input_section::Input_section_list): Change
4778         type to list of Output_section::Input_section/
4779         (Input_section_info::Input_section_info): Change parameter type of
4780         INPUT_SECTION to Output_section::Input_section.
4781         (Input_section_info::input_section): Change return type.
4782         (Input_section_info::input_section_): Change type to
4783         Output_section::Input_section.
4784         (Output_section_element_input::set_section_addresses): Adjust code
4785         to use Output_section::Input_section instead of
4786         Output_section::Simple_input_section.  Adjust code for renaming
4787         of Output_section::add_simple_input_section.
4788         (Orphan_output_section::set_section_addresses): Ditto.
4790 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4792         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4793         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4795 2010-05-18  Rafael Espindola  <espindola@google.com>
4797         * options.cc (General_options::finalize): Handle -nostdlib.
4798         * options.h (nostdlib): New option.
4799         * script.cc (script_add_search_dir): Handle -nostdlib.
4801 2010-05-12  Doug Kwan  <dougkwan@google.com>
4803         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4804         attributes section only if there no attributes section after merging.
4805         (Target_arm::merge_object_attributes): Move value of
4806         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4807         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4808         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4809         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4810         and arm_attr_merge_7.stdout.
4811         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4812         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4813         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4814         arm_attr_merge_7b.o): New rules.
4815         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4816         arm_attr_merge_7
4817         * testsuite/Makefile.in: Regenerate.
4818         * testsuite/arm_attr_merge.sh: New file.
4819         * testsuite/arm_attr_merge_[67][ab].s: Same.
4821 2010-05-05  Nick Clifton  <nickc@redhat.com>
4823         * po/es.po: Updated Spanish translation.
4825 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4827         * Makefile.am (install-exec-local): Properly install gold as
4828         default cross linker.
4829         * Makefile.in: Regenerated.
4831 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4832             Nick Clifton  <nickc@redhat.com>
4834         * configure.ac (install_as_default): Define and set to false
4835         unless --enable-gold or --enable-gold=both/gold has been
4836         specified.
4837         * configure: Regenerate.
4839         * Makefile.am (install-exec-local): Install the executable as
4840         'ld.gold'.  If install_as_default is true then also install it as
4841         'ld'.
4842         * Makefile.in: Regenerated.
4844 2010-04-24  Ian Lance Taylor  <iant@google.com>
4846         * layout.cc (Layout::layout_reloc): In relocatable link don't
4847         combine reloc sections for grouped sections.
4849 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4851         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4852         sections that are not ordinary to icf.
4853         * icf.cc (get_section_contents): Handle relocation pointing to section
4854         with no object or shndx information.
4855         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4856         * testsuite/Makefile.in: Regenerate.
4857         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4858         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4860 2010-04-22  Ian Lance Taylor  <iant@google.com>
4862         * expression.cc (Expression::Expression_eval_info): Add
4863         result_alignment_pointer field.
4864         (Expression::eval_with_dot): Add result_alignment_pointer
4865         parameter.  Change all callers.
4866         (Expression::eval_maybe_dot): Likewise.
4867         (class Binary_expression): Add alignment_pointer parameter to
4868         left_value and right_value.  Change all callers.
4869         (BINARY_EXPRESSION): Set result alignment.
4870         (class Trinary_expression): Add alignment_pointer parameter to
4871         arg2_value and arg3_value.  Change all callers.
4872         (Trinary_cond::value): Set result alignment.
4873         (Max_expression::value, Min_expression::value): Likewise.
4874         (Align_expression::value): Likewise.
4875         * script-sections.cc (class Sections_element): Add dot_alignment
4876         parameter to set_section_addresses virtual function.  Update
4877         instantiations.
4878         (class Output_section_element): Likewise.
4879         (Script_sections::create_segments): Add dot_alignment parameter.
4880         Change all callers.
4881         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4882         (Script_sections::set_phdrs_clause_addresses): Likewise.
4883         * script-sections.h: Update declarations.
4884         * script.h: Update declarations.
4885         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4886         min_p_align.
4887         * testsuite/script_test_3.t: Set large alignment.
4888         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4889         segment has expected alignment.
4891 2010-04-22  Nick Clifton  <nickc@redhat.com>
4893         * po/gold.pot: Updated by the Translation project.
4894         * po/vi.po: Updated Vietnamese translation.
4896 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4898         * testsuite/Makefile.am (check_PROGRAMS): Add
4899         icf_virtual_function_folding_test.
4900         * testsuite/Makefile.in: Regenerated.
4902 2010-04-15  Andrew Haley  <aph@redhat.com>
4904         * options.h (merge_exidx_entries): New option.
4905         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4906         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4907         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4908         (Target_arm::merge_exidx_entries): New function.
4909         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4910         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4911         to Arm_exidx_fixup constructor.
4912         Add new arg, merge_exidx_entries.
4913         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4914         Arm_output_section::fix_exidx_coverage.
4916 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4918         * icf.cc (get_section_contents): Check for preemptible functions.
4919         Ignore addend when appropriate.
4920         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4921         section folded.
4922         (add_from_relobj): Check for section folded.
4923         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4924         * symtab.h (should_add_dynsym_entry): Add new parameter.
4925         * target-reloc.h (scan_relocs): Check for section folded.
4926         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4927         Check reloc types for function pointers in shared objects.
4928         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4929         case.
4930         (icf_preemptible_functions_test): New test case.
4931         (icf_string_merge_test): New test case.
4932         * testsuite.Makefile.in: Regenerate.
4933         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4934         bar_glob.  Refactor code.
4935         * testsuite/icf_preemptible_functions_test.cc: New file.
4936         * testsuite/icf_preemptible_functions_test.sh: New file.
4937         * testsuite/icf_string_merge_test.cc: New file.
4938         * testsuite/icf_string_merge_test.sh: New file.
4939         * testsuite/icf_virtual_function_folding_test.cc: New file.
4940         * testsuite/icf_virtual_function_folding_test.sh: New file.
4942 2010-04-14  Doug Kwan  <dougkwan@google.com>
4944         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4945         for local symbol recounting if we remove a section due to ICF.
4946         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4947         there are no regular objects in input.
4949 2010-04-13  Doug Kwan  <dougkwan@google.com>
4951         * arm.cc (Arm_input_section::set_final_data_size): Compute
4952         accurate final data size instead of using current data size.
4954 2010-04-09  Doug Kwan  <dougkwan@google.com>
4956         * layout.cc (Layout::choose_output_section): Handle script section
4957         types.
4958         (Layout::make_output_section_for_script): Add section type parameter.
4959         Handle script section types.
4960         * layout.h (Layout::make_output_section_for_script): Add section
4961         type parameter.
4962         * output.cc (Output_section::Output_section): Initialize data member
4963         is_noload_.
4964         (Output_section::do_reset_address_and_file_offset): Do not set address
4965         to 0 if section is a NOLOAD section.
4966         * output.h (Output_section::is_noload): New method.
4967         (Output_section::set_is_noload): Ditto.
4968         (Output_section::is_noload_): New data member.
4969         * script-c.h (Script_section_type): New enum type.
4970         (struct Parser_output_section_header): Add new file section_type.
4971         * script-sections.cc (Sections_element::output_section_name): Add
4972         parameter for returning script section type.
4973         (Output_section_definition::output_section_name): Ditto.
4974         (Output_section_definition::section_type)P; New method.
4975         (Output_section_definiton::script_section_type_name): Ditto.
4976         (Output_section_definition::script_section_type_): New data member.
4977         (Output_section_definition::Output_section_definition): Initialize
4978         data member Output_section_definition::script_section_type_.
4979         (Output_section_definition::create_sections): Pass script section type
4980         to Layout::make_output_section_for_script.
4981         (Output_section_definition::output_section_name): Return script
4982         section type to caller.
4983         (Output_section_definition::set_section_address): Do not advance
4984         dot value and load address if section type is NOLOAD.  Set address
4985         of NOLOAD sections regardless of section flags.
4986         (Output_section_definition::print): Print section type if it is
4987         not SCRIPT_SECTION_TYPE_NONE.
4988         (Output_section_definition::section_type): New method.
4989         (Output_section_definition::script_section_type_name): Ditto.
4990         (Script_sections::output_section_name): Add new parameter
4991         PSECTION_TYPE for returning script section type.  Pass it to
4992         section elements.  Handle discard sections.
4993         (Sort_output_sections::operator()): Handle NOLOAD sections.
4994         * script-sections.h (Script_sections::Section_type): New enum type.
4995         (Script_sections::output_section_name): Add a new parameter for
4996         returning script section type.
4997         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4998         INFO and NOLOAD.
4999         * yyscript.y (union): Add new field SECTION_TYPE.
5000         (COPY, DSECT, INFO, NOLOAD): New tokens.
5001         (opt_address_and_section_type): Change type to output_section_header.
5002         (section_type): New non-terminal
5003         (section_header): Handle section type.
5004         (opt_address_and_section_type): Return section type value.
5006 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5008         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5009         * testsuite/plugin_common_test_2.c (foo): Likewise.
5011 2010-04-08  Doug Kwan  <dougkwan@google.com>
5013         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5014         Output_merge_data.
5015         * output.cc (Output_section::add_merge_input_section): Simplify
5016         code and return status of Output_merge_base::add_input_section.
5017         Update merge section map only if Output_merge_base::add_input_section
5018         returns true.
5020 2010-04-07  Doug Kwan  <dougkwan@google.com>
5022         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5023         if section is marked as containing instructions but has no mapping
5024         symbols.
5025         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5026         correct section index.
5027         (Arm_relobj::find_linked_text_section): Ditto.
5029 2010-04-07  Cary Coutant  <ccoutant@google.com>
5031         * archive.cc (include_member): Destroy Read_symbols_data object before
5032         releasing file.
5033         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5034         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5035         (Read_symbols_data::~Read_symbols_data) New destructor.
5036         (Section_relocs::Section_relocs) New constructor.
5037         (Section_relocs::~Section_relocs) New destructor.
5038         (Read_relocs_data::Read_relocs_data) New constructor.
5039         (Read_relocs_data::~Read_relocs_data) New destructor.
5040         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5041         pointers to NULL after deleting.
5043 2010-04-07  Doug Kwan  <dougkwan@google.com>
5045         * arm.cc: Replace "endianity" with "endianness" in comments.
5046         (Arm_exidx_cantunwind): Ditto.
5047         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5048         (Arm_relobj::merge_flags_and_attributes): New method.
5049         (Arm_relobj::merge_flags_and_attributes_): New data member.
5050         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5051         (Arm_relobj::scan_sections_for_stubs): Ditto.
5052         (Arm_relobj::do_read_symbols): Check to see if we really want to
5053         merge processor-specific flags and attributes.  Exit early if
5054         an object is empty except for section names and the undefined symbol.
5055         (Target_arm::do_finalize_sections): Move check for ELF format to
5056         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5057         attributes from a regular object only when we have determined that
5058         it is aapropriate.  Do not create an .ARM.attributes section in
5059         output if there is no regular input object.
5060         (Target_arm::merge_processor_specific_flags): Check
5061         --warn-mismatch before printing any error.
5062         (Target_arm::merge_object_attributes): Ditto.
5063         * gold.cc (queue_middle_tasks): Handle the case in which there is
5064         no regular object in input.
5065         * options.cc (General_options::parse_EB): New method.
5066         (General_options::parse_EL): Same.
5067         (General_options::General_options): Initialize endianness_.
5068         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5069         New options.
5070         (General_options::Endianness): New enum.
5071         (General_options::endianness): New method.
5072         (General_options::endianness_): New data member.
5073         * parameters.cc (Parameters::set_options): Check target endianness.
5074         (Parameters::set_target_once): Ditto.
5075         (Parameters::check_target_endianness): New method.
5076         (parameters_force_valid_target): If either -EL or -EB is specified,
5077         use it to define endianness of default target.
5078         * parameters.h (Parameters::check_target_endianness): New method
5079         declaration.
5080         * target.h (class Target): Change "endianity" to "endianness"
5081         in comments.
5083 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5085         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5086         * configure: Regenerate.
5087         * Makefile.in: Regenerate.
5088         * testsuite/Makefile.in: Regenerate.
5090 2010-04-06  Cary Coutant  <ccoutant@google.com>
5092         gcc PR lto/42757
5093         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5094         prevailing definitions of common symbols.
5095         * testsuite/plugin_test_6.sh: New test case.
5096         * testsuite/plugin_common_test_1.c: New test case.
5097         * testsuite/plugin_common_test_2.c: New test case.
5098         * testsuite/Makefile.am (plugin_test_6): New test case.
5099         * testsuite/Makefile.in: Regenerate.
5101 2010-04-06  Nick Clifton  <nickc@redhat.com>
5103         * po/vi.po: New Vietnamese translation.
5105 2010-03-30  Doug Kwan  <dougkwan@google.com>
5107         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5109 2010-03-25  Doug Kwan  <dougkwan@google.com>
5111         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5112         to avoid a conversion warning on a 32-bit host.
5114 2010-03-24  Ian Lance Taylor  <iant@google.com>
5116         * testsuite/script_test_3.t: Add a TLS segment.
5117         * testsuite/Makefile.am (check_PROGRAMS): Add
5118         tls_phdrs_script_test.
5119         (tls_phdrs_script_test_SOURCES): Define.
5120         (tls_phdrs_script_test_DEPENDENCIES): Define.
5121         (tls_phdrs_script_test_LDFLAGS): Define.
5122         (tls_phdrs_script_test_LDADD): Define.
5123         * testsuite/Makefile.in: Rebuild.
5125 2010-03-23  Cary Coutant  <ccoutant@google.com>
5127         * fileread.cc (find_or_make_view): Fix comment.
5129 2010-03-23  Ian Lance Taylor  <iant@google.com>
5131         * script-sections.cc (class Orphan_section_placement): Define
5132         PLACE_TLS and PLACE_TLS_BSS.
5133         (Orphan_section_placement::Orphan_section_placement): Initialize
5134         new places.
5135         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5136         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5137         (tls_script_test_SOURCES): Define.
5138         (tls_script_test_DEPENDENCIES): Define.
5139         (tls_script_test_LDFLAGS): Define.
5140         (tls_script_test_LDADD): Define.
5141         * testsuite/Makefile.in: Rebuild.
5143 2010-03-22  Doug Kwan  <dougkwan@google.com>
5145         * arm.cc (Arm_relocate_functions::abs8,
5146         Arm_relocate_functions::abs16): Use correct check for overflow
5147         specified in the ARM ELF specs.
5148         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5149         target of a BLX instruction specially.
5150         (Reloc_stub::stub_type_for_reloc): Ditto.
5151         (Relocate::relocate): Use symbolic names instead of numeric relocation
5152         codes to report error.
5153         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5154         workaround.
5155         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5156         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5157         thumb2_blx_out_of_range.stdout
5158         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5159         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5160         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5161         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5162         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5163         thumb2_blx_in_range, thumb2_blx_in_range.o,
5164         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5165         thumb2_blx_out_of_range.o): New rules.
5166         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5167         thumb2_blx_in_range and thumb2_blx_out_of_range.
5168         * testsuite/Makefile.in: Regenerate.
5169         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5170         * testsuite/thumb_blx_in_range.s: New file.
5171         * testsuite/thumb_blx_out_of_range.s: New file.
5173 2010-03-22  Rafael Espindola  <espindola@google.com>
5175         * archive.cc (Should_include): Move to archive.h.
5176         (should_include_member): Make it a member of Archive.
5177         (Lib_group): New.
5178         (Add_lib_group_symbols): New.
5179         * archive.h: Include options.h.
5180         (Archive_member): Moved from Archive.
5181         (Should_include): Moved from archive.cc.
5182         (Lib_group): New.
5183         (Add_lib_group_symbols): New.
5184         * dynobj.cc (do_should_include_member): New.
5185         * dynobj.h (do_should_include_member): New.
5186         * gold.cc (queue_initial_tasks): Update call to queue.
5187         * main.cc (main): Print lib group stats.
5188         * object.cc (do_should_include_member): New.
5189         * object.h: Include archive.h.
5190         (Object::should_include_member): New.
5191         (Object::do_should_include_member): New.
5192         (Sized_relobj::do_should_include_member): New.
5193         * options.cc (General_options::parse_start_lib): New.
5194         (General_options::parse_end_lib): New.
5195         (Input_arguments::add_file): Handle lib groups.
5196         (Input_arguments::start_group): Check we are not in a lib.
5197         (Input_arguments::start_lib): New.
5198         (Input_arguments::end_lib): New.
5199         * options.h (General_options): Add start_lib and end_lib.
5200         (Input_argument::lib_): New.
5201         (Input_argument::lib): New.
5202         (Input_argument::is_lib): New.
5203         (Input_file_lib): New.
5204         (Input_arguments::in_lib_): New.
5205         (Input_arguments::in_lib): New.
5206         (Input_arguments::start_lib): New.
5207         (Input_arguments::end_lib_): New.
5208         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5209         in unused members as preempted.
5210         (Sized_pluginobj::do_should_include_member): New.
5211         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5212         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5213         return the blocker.
5214         (Read_symbols::do_whole_lib_group): New.
5215         (Read_symbols::do_lib_group): New.
5216         (Read_symbols::do_read_symbols): Handle lib groups.
5217         (Read_symbols::get_name): Handle lib groups.
5218         * readsyms.h (Read_symbols): Add an archive member pointer.
5219         (Read_symbols::do_whole_lib_group): New.
5220         (Read_symbols::do_lib_group): New.
5221         (Read_symbols::member_): New.
5222         * script.cc (read_input_script): Update call to queue_soon.
5224 2010-03-19  Doug Kwan  <dougkwan@google.com>
5226         * arm.cc (Stub_table::Stub_table): Initialize new data members
5227         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5228         (Stub_table::add_reloc_stub): Assign stub offset and update
5229         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5230         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5231         New data members.
5232         (Stub_table::update_data_size_and_addralign): Use
5233         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5234         instead of going over all reloc stubs.
5235         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5236         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5237         Stringpool_template::offset_ to size of Stringpool_char.
5238         (Stringpool_template::new_key_offset): Remove code to initialize
5239         Stringpool_template::offset_.
5240         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5241         Stringpool_template::offset_ to zero.
5243 2010-03-15  Doug Kwan  <dougkwan@google.com>
5245         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5246         offset_.
5247         (Stringpool_template::new_key_offset): New method.
5248         (Stringpool_template::add_string): Assign offsets when adding new
5249         strings.
5250         (Stringpool_template::set_string_offsets): Do not set string offsets
5251         when not optimizing.
5252         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5253         member size_.
5254         (Chunked_vector::clear): Clear size_.
5255         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5256         (Chunked_vector::size): Return size_.
5257         (Chunked_vector::push_back): Use size_ to find insert position.
5258         (Chunked_vector::size_): New data member.
5259         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5260         (Stringpool_template::new_key_offset): New method declaration.
5261         (Stringpool_template::offset_): New data member.
5263 2010-03-15   Rafael Espindola  <espindola@google.com>
5265         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5266         Add_symbols' constructor.
5267         * readsyms.h (Add_symbols): Remove the input_group member.
5269 2010-03-10  Ian Lance Taylor  <iant@google.com>
5271         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5272         target to ask whether a reference to a symbol requires a stack
5273         split.
5274         * target.h (Target::is_call_to_non_split): New function.
5275         (Target::do_is_call_to_non_split): Declare virtual function.
5276         * target.cc: Include "symtab.h".
5277         (Target::do_is_call_to_non_split): New function.
5278         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5280 2010-03-10  Cary Coutant  <ccoutant@google.com>
5282         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5283         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5284         (File_read::open[2]): Add whole_file_view_ to list of views.
5285         (File_read::make_view): Remove test of whole_file_view_.
5286         (File_read::find_or_make_view): Create whole_file_view_ if
5287         necessary.
5288         (File_read::clear_views): Replace bool parameter with enum;
5289         adjust all callers.  Don't delete views with permanent data;
5290         do delete cached views and views from archives if
5291         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5292         if clearing the corresponding view.
5293         * fileread.h (File_read::Clear_views_mode): New enum.
5294         (File_read::View::is_permanent_view): New method.
5295         (File_read::clear_views): Replace bool parameter
5296         with enum; adjust all callers.
5297         * options.h (General_options): Change keep_files_mapped option;
5298         add map_whole_files.
5299         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5300         releasing the file.
5301         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5302         the file.
5304 2010-03-10  David S. Miller  <davem@davemloft.net>
5306         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5308 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5310         * icf.cc (get_section_contents): Add '@' marker after processing the
5311         merge reloc.
5313 2010-03-08  Doug Kwan  <dougkwan@google.com>
5315         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5316         due to a conversion warning.
5317         (Arm_relobj::update_output_local_symbol_count): Check for local
5318         symbol with unset output index.
5320 2010-03-05  Ian Lance Taylor  <iant@google.com>
5322         * options.h (class General_options): Add --spare-dynamic-tags.
5323         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5324         --spare-dynamic-tags.
5326 2010-03-05  Ian Lance Taylor  <iant@google.com>
5328         * incremental.cc: Include "libiberty.h".
5330 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5332         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5333         function, is_info_ member.
5334         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5335         (Versions::Versions): Update caller.
5336         (Versions::define_base_version): Likewise.
5337         (Versions::add_def): Likewise.
5339 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5341         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5342         (Scan::possible_function_pointer_reloc): New function.
5343         (Scan::local_reloc_may_be_function_pointer): Change to call
5344         possible_function_pointer_reloc.
5345         (Scan::global_reloc_may_be_function_pointer): Ditto.
5346         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5347         relocations in ".data.rel.ro._ZTV" section.
5348         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5349         * testsuite/icf_safe_so_test.cc: Ditto.
5350         * testsuite/icf_safe_test.cc: Ditto.
5351         * testsuite/icf_safe_test.sh: Ditto.
5353 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5354             Ian Lance Taylor  <iant@google.com>
5356         * target-reloc.h (relocate_section): Check the symbol table index
5357         for -1U before setting the local symbol index.
5358         (scan_relocatable_relocs): If copying the relocation, record that
5359         the local symbol is required.
5360         * object.h (Symbol_value::is_output_symtab_index_set): New
5361         function.
5362         (Symbol_value::may_be_discarded_from_output_symtab): New
5363         function.
5364         (Symbol_value::has_output_symtab_entry): New function.
5365         (Symbol_value::needs_output_symtab_entry): Remove.
5366         (Symbol_value::output_symtab_index): Make sure the symbol index is
5367         set.
5368         (Symbol_value::set_output_symtab_index): Make sure the symbol
5369         index is not set.  Make sure the new index is valid.
5370         (Symbol_value::set_must_have_output_symtab_entry): New function.
5371         (Symbol_value::has_output_dynsym_entry): New function.
5372         (Symbol_value::set_output_dynsym_index): Make sure the new index
5373         is valid.
5374         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5375         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5376         local symbol if permitted.
5377         (Sized_relobj::do_finalize_local_symbols): Call
5378         is_output_symtab_index_set rather than needs_output_symtab_entry.
5379         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5380         rather than needs_output_symtab_entry.  Call
5381         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5382         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5383         is_output_symtab_index_set rather than needs_output_symtab_entry.
5384         * testsuite/discard_locals_relocatable_test.c: New file.
5385         * testsuite/discard_locals_test.sh: Test -r.
5386         * testsuite/Makefile.am (check_DATA): Add
5387         discard_locals_relocatable_test1.syms,
5388         discard_local_relocatable_test2.syms.
5389         (MOSTLYCLEANFILES): Likewise.  Also add
5390         discard_locals_relocatable_test1.lout and
5391         discard_locals_relocatable_test2.out.
5392         (discard_locals_relocatable_test1.syms): New target.
5393         (discard_locals_relocatable_test.o): New target.
5394         (discard_locals_relocatable_test1.out): New target.
5395         (discard_locals_relocatable_test2.syms): New target.
5396         (discard_locals_relocatable_test2.out): New target.
5397         (various): Add missing ../ld-new dependencies.
5398         * testsuite/Makefile.in: Rebuild.
5400 2010-03-03  Nick Clifton  <nickc@redhat.com>
5402         * po/fi.po: New Finnish translation.
5404 2010-03-01  Doug Kwan  <dougkwan@google.com>
5406         * layout.cc (Layout::Layout): Force section types of .init_array*,
5407         .preinit_array* and .fini_array* sections.
5408         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5409         Fix check of return value of std::string::find.().
5410         (Output_section::Input_section_sort_compare::operator()): Remove
5411         comment about .init_array.
5412         (Output_section::Input_section_sort_init_fini_compare::operator()):
5413         New method.
5414         (Output_section::sort_attached_input_sections): Handle .init_array
5415         and .fini_array specially.
5416         * output.h (Output_section::Inut_section_sort_compare): Update
5417         comment.
5418         (Output_section::Input_section_sort_init_fini_compare): New struct.
5420 2010-02-26  Doug Kwan  <dougkwan@google.com>
5422         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5423         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5424         * testsuite/debug_msg.sh: Avoid matching source line number for
5425         use of global variable undef_int.
5427 2010-02-26  Doug Kwan  <dougkwan@google.com>
5429         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5430         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5431         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5432         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5433         * options.cc (General_options::General_options): Initialize member
5434         fix_v4bx_.
5435         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5436         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5437         and rm_no_fix_v4bx.stdout
5438         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5439         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5440         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5441         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5442         and arm_no_fix_v4bx.
5443         * Makefile.in: Regenerate.
5444         * testsuite/arm_fix_v4bx.s: New file.
5445         * testsuite/arm_fix_v4bx.sh: Ditto.
5447 2010-02-24  Doug Kwan  <dougkwan@google.com>
5449         * arm.cc (Target_arm::got_section): Make the .got section the first
5450         non RELRO section in the data segment.
5451         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5452         suffixes of section names.
5454 2010-02-24  Doug Kwan  <dougkwan@google.com>
5456         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5457         flags and attributes merging if an input file is a binary file.
5458         * fileread.cc (Input_file::open): Record format of original file.
5459         * fileread.h (Input_file::Format): New enum type.
5460         (Input_file::Input_file): Initialize data member format_.
5461         (Input_file::format): New method definition.
5462         (Input_file::format_):: New data member.
5464 2010-02-24  Doug Kwan  <dougkwan@google.com>
5466         * arm.cc (Arm_output_data_got): New class.
5467         (ARM_TCB_SIZE): New constant
5468         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5469         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5470         If user uses a script with a SECTIONS clause, issue only a warning
5471         for a misplaced EXIDX input section.  Otherwise, issue an error.
5472         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5473         garbage collection.
5474         (Target_arm::got_mode_index_entry): Handle static linking.
5475         (Target_arm::Scan::local): Ditto.
5476         (Target_arm::Scan::global): Ditto.
5477         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5478         all incorrectly implemented relocations.
5479         (Target_arm::fix_exidx_coverage): Pass layout to
5480         Arm_output_section::fix_exidx_coverage.
5481         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5482         from ".ARM.exidx." and ".ARM.extab.".
5484 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5486         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5487         section if it does not already exist.
5488         * attributes.cc (Attributes_section_data::Attributes_section_data):
5489         Don't crash if size is zero.
5491 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5492             Ian Lance Taylor  <iant@google.com>
5494         * gold.cc (queue_middle_tasks): If no input files were opened,
5495         exit.
5496         * workqueue.h (Task_function::Task_function): Assert that there is
5497         a blocker.
5499 2010-02-22  Doug Kwan  <dougkwan@google.com>
5501         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5502         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5503         types to avoid warnings due to different uint64_t implementations
5504         on different hosts.
5506 2010-02-21  Doug Kwan  <dougkwan@google.com>
5508         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5509         handling of the maximum backward branch offset.
5510         (Arm_relocate_functions::thumb_branch_common): Ditto.
5511         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5512         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5513         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5514         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5515         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5516         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5517         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5518         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5519         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5520         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5521         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5522         thumb2_bl_out_of_range.o): New rules.
5523         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5524         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5525         thumb2_bl_out_of_range
5526         * testsuite/Makefile.in: Regenerate.
5527         * testsuite/arm_bl_in_range.s: New file.
5528         * testsuite/arm_bl_out_of_range.s: Ditto.
5529         * testsuite/arm_branch_in_range.sh: Ditto.
5530         * testsuite/arm_branch_range.t: Ditto.
5531         * testsuite/thumb2_branch_range.t: Ditto.
5532         * testsuite/thumb_bl_in_range.s: Ditto.
5533         * testsuite/thumb_bl_out_of_range.s: Ditto.
5534         * testsuite/thumb_branch_range.t: Ditto.
5536 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5538         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5539         Add reloc offset information.
5540         * icf.cc (get_section_contents): Change iterators to point to the new
5541         vectors. Add reloc offset information to the contents.
5542         * icf.h (Icf::Sections_reachable_info): New typedef.
5543         (Icf::Sections_reachable_list): New typedef.
5544         (Icf::Offset_info): New typedef.
5545         (Icf::Reloc_info): New struct typedef.
5546         (Icf::Reloc_info_list): New typedef.
5547         (Icf::symbol_reloc_list): Delete method.
5548         (Icf::addend_reloc_list): Delete method.
5549         (Icf::section_reloc_list): Delete method.
5550         (Icf::reloc_info_list): New method.
5551         (Icf::reloc_info_list_): New member.
5553 2010-02-19  Doug Kwan  <dougkwan@google.com>
5555         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5556         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5557         * arm.cc (Arm_relocation_functions): New forward declaration.
5558         (Target_arm::Target_arm): Initialize new data members
5559         got_mod_index_offset_ and tls_base_symbol_defined_.
5560         (Target_arm::Relocate::relocate_tls): New method.
5561         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5562          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5563         New methods.
5564         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5565         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5566         (Target_arm::got_mod_index_offset_,
5567         Target_arm::tls_base_symbol_defined_): New data members.
5568         (Target_arm::Scan::local, Target::Scan::global,
5569         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5570         relocations.
5572 2010-02-18  Doug Kwan  <dougkwan@google.com>
5574         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5575         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5576         text section as a parameter becuase some broken tools may not set
5577         the link in section header.
5578         (Target_arm::has_got_section): New method.
5579         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5580         without any mapping symbol as data only.  Remove warning.
5581         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5582         link in its section header, try to discover the link by inspecting the
5583         REL31 relocation at the beginning of the section.
5584         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5585         in error message.
5586         (Target_arm::Scan::global): Treat any reference to the symbol
5587         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5589 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5591         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5592         (Scan::global_reloc_may_be_function_pointer): New function.
5593         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5594         (Scan::global_reloc_may_be_function_pointer): New function.
5595         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5596         (Scan::global_reloc_may_be_function_pointer): New function.
5597         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5598         (Scan::global_reloc_may_be_function_pointer): New function.
5599         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5600         (Scan::global_reloc_may_be_function_pointer): New function.
5601         (Scan::possible_function_pointer_reloc): New function.
5602         (Target_x86_64::can_check_for_function_pointers): New function.
5603         * gc.h (gc_process_relocs): Scan relocation types to determine if
5604         function pointers were taken for targets that support it.
5605         * icf.cc (Icf::find_identical_sections): Include functions for
5606         folding in safe ICF whose pointer is not taken.
5607         * icf.h (Secn_fptr_taken_set): New typedef.
5608         (fptr_section_id_): New member.
5609         (section_has_function_pointers): New function.
5610         (set_section_has_function_pointers): New function.
5611         (check_section_for_function_pointers): New function.
5612         * options.h: Fix comment for safe ICF option.
5613         * target.h (can_check_for_function_pointers): New function.
5614         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5615         Modify icf_safe_test for X86-64.
5616         * testsuite/Makefile.in: Regenerate.
5617         * testsuite/icf_safe_so_test.cc: New file.
5618         * testsuite/icf_safe_so_test.sh: New file.
5619         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5620         (main): Change to take pointer to function kept_func_3.
5621         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5622         folding is done correctly for X86-64.
5624 2010-02-12  David S. Miller  <davem@davemloft.net>
5626         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5627         is_symbolless parameter.
5628         (Output_reloc<SHT_REL>::is_symbolless): New.
5629         (Output_reloc<SHT_REL>::is_symbolless_): New.
5630         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5631         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5632         (Output_reloc<SHT_RELA>::is_symbolless): New.
5633         (Output_data_reloc::add_global): Handle is_symbolless.
5634         (Output_data_reloc::add_global_relative): Likewise.
5635         (Output_data_reloc::add_local): Likewise.
5636         (Output_data_reloc::add_local_relative): Likewise.
5637         (Output_data_reloc::add_symbolless_global_addend): New.
5638         (Output_data_reloc::add_symbolless_local_addend): New.
5639         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5640         is_symbolless.
5641         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5642         instead of ->is_relative_
5643         (Output_reloc::write): Likewise.
5644         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5645         (Output_reloc::write_rel): Simplify.
5647         * sparc.cc (Target_sparc::Scan::local): Use
5648         ->add_symbolless_local_addend as needed.
5649         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5650         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5651         based upon relocation offset.
5653 2010-02-11  Doug Kwan  <dougkwan@google.com>
5655         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5656         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5657         beginning of function.
5658         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5659         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5660         parameter is_32bit in calls to should_apply_static_reloc.
5661         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5662         (check_DATA): Add arm_abs_global.stdout.
5663         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5664         arm_abs_global.stdout): New rules.
5665         (MOSTLLYCLEANFILES): Add arm_abs_global
5666         * Makefile.in: Regenerate.
5667         * testsuite/arm_abs_global.s: New file.
5668         * testsuite/arm_abs_global.sh: Ditto.
5669         * testsuite/arm_abs_lib.s: Ditto.
5671 2010-02-11  Ian Lance Taylor  <iant@google.com>
5673         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5674         Read_relocs task.
5675         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5676         Allocate_commons_task first.
5677         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5678         task, rather than symtab_lock_.
5679         (Gc_process_relocs::~Gc_process_relocs): New function.
5680         (Gc_process_relocs::is_runnable): Check this_blocker_.
5681         (Gc_process_relocs::locks): Use next_blocker_ rather than
5682         blocker_.
5683         (Scan_relocs::~Scan_relocs): New function.
5684         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5685         symtab_lock_.
5686         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5687         next_blocker_.
5688         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5689         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5690         constructor accordingly.
5691         (class Gc_process_relocs): Likewise.
5692         (class Scan_relocs): Likewise.
5693         * common.h (class Allocate_commons_task): Remove symtab_lock_
5694         field, and corresponding constructor parameter.
5695         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5696         symtab_lock_.
5697         (Allocate_commons_task::locks): Likewise.
5699 2010-02-11  Ian Lance Taylor  <iant@google.com>
5701         * gold-threads.h (class Once): Define.
5702         (class Initialize_lock): Rewrite as child of Once.
5703         * gold-threads.cc (class Once_initialize): Define.
5704         (once_pointer_control): New static variable.
5705         (once_pointer, once_arg): New static variables.
5706         (c_run_once): New static function.
5707         (Once::Once, Once::run_once, Once::internal_run): New functions.
5708         (class Initialize_lock_once): Remove.
5709         (initialize_lock_control): Remove.
5710         (initialize_lock_pointer): Remove.
5711         (initialize_lock_once): Remove.
5712         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5713         (Initialize_lock::initialize): Rewrite.
5714         (Initialize_lock::do_run_once): New function.
5715         * archive.cc (Archive::interpret_header): Only clear name if it is
5716         not already empty.
5717         * fileread.cc: Include "gold-threads.h"
5718         (file_counts_lock): New static variable.
5719         (file_counts_initialize_lock): Likewise.
5720         (File_read::release): Only increment counts when using --stats.
5721         Use a lock around the increment.
5722         * parameters.cc (class Set_parameters_target_once): Define.
5723         (set_parameters_target_once): New static variable.
5724         (Parameters::Parameters): Move here from parameters.h.
5725         (Parameters::set_target): Rewrite.
5726         (Parameters::set_target_once): New function.
5727         (Parameters::clear_target): Move here and rewrite.
5728         * parameters.h (class Parameters): Update declarations.  Add
5729         set_parameters_target_once_ field.
5730         (Parameters::Parameters): Move to parameters.cc.
5731         (Parameters::clear_target): Likewise.
5732         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5733         task.
5734         (Start_group::~Start_group): New function.
5735         (Start_group::is_runnable): New function.
5736         (Start_group::locks, Start_group::run): New functions.
5737         (Finish_group::run): Change saw_undefined to size_t.
5738         * readsyms.h (class Start_group): Define.
5739         (class Finish_group): Change saw_undefined_ field to size_t.
5740         (Finish_group::Finish_group): Remove saw_undefined and
5741         this_blocker parameters.  Change all callers.
5742         (Finish_group::set_saw_undefined): New function.
5743         (Finish_group::set_blocker): New function.
5744         * symtab.h (class Symbol_table): Change saw_undefined to return
5745         size_t.  Change saw_undefined_ field to size_t.
5746         * target-select.cc (Set_target_once::do_run_once): New function.
5747         (Target_selector::Target_selector): Initialize set_target_once_
5748         field.  Don't initialize lock_ and initialize_lock_ fields.
5749         (Target_selector::instantiate_target): Rewrite.
5750         (Target_selector::set_target): New function.
5751         * target-select.h (class Set_target_once): Define.
5752         (class Target_selector): Update declarations.  Make
5753         Set_target_once a friend.  Remove lock_ and initialize_lock_
5754         fields.  Add set_target_once_ field.
5756 2010-02-10  Ian Lance Taylor  <iant@google.com>
5758         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5759         queueing any tasks.
5760         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5761         (queue_middle_tasks): Add all blockers before queueing any tasks.
5762         (queue_final_tasks): Likewise.
5763         * token.h (Task_token::add_blockers): New function.
5764         * object.h (Input_objects::number_of_relobjs): New function.
5766 2010-02-10  Ian Lance Taylor  <iant@google.com>
5768         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5769         shared, not if not position independent.
5770         * x86_64.cc (Relocate::relocate_tls): Likewise.
5771         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5772         (tls_pie_pic_test): New target.
5773         * testsuite/Makefile.in: Rebuild.
5775         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5776         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5777         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5778         * testsuite/Makefile.in: Rebuild.
5780 2010-02-09  David S. Miller  <davem@davemloft.net>
5782         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5783         R_SPARC_RELATIVE using ->add_local_relative().
5784         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5786         * output.h (Output_data_dynamic::add_section_size): New method
5787         that takes two Output_data objects.
5788         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5789         entry param.  Handle it in initializers.
5790         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5791         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5792         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5793         arg.
5794         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5795         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5796         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5797         for dynrel_includes_plt.
5798         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5799         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5800         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5801         before .rela.plt
5802         (Target_sparc::do_finalize_sections): Update to pass true for
5803         dynrel_includes_plt.
5804         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5805         output before .rela.plt
5806         (Target_powerpc::do_finalize_sections): Update to pass true for
5807         dynrel_includes_plt when 32-bit.
5809 2010-02-08  Doug Kwan  <dougkwan@google.com>
5811         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5812         method.
5813         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5814         Arm_relobj::scan_section_for_cortex_a8_stubs,
5815         Arm_relobj::do_relocation_section): Instead of calling
5816         Output_section::output_address, use faster
5817         Arm_relobj::simple_input_section_output_address.
5819 2010-02-08  David S. Miller  <davem@davemloft.net>
5821         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5822         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5823         relocation helper function.
5825         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5826         just like R_SPARC_GOT{10,13,22}.
5827         (Target_sparc::Scan::local): Likewise.
5828         (Target_sparc::Relocate:relocate): Likewise.
5830 2010-02-06  Ian Lance Taylor  <iant@google.com>
5832         * configure.ac: Rewrite targetobjs duplicate removal code to use
5833         only shell constructs.
5834         * configure: Rebuild.
5836 2010-02-05  Doug Kwan  <dougkwan@google.com>
5838         PR 11247
5839         * arm.cc (Arm_relobj::section_is_scannable): New method.
5840         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5841         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5843 2010-02-04  Doug Kwan  <dougkwan@google.com>
5845         PR 11247
5846         * arm-reloc-property.cc (cstdio): Include.
5847         * configure.ac (targetobjs): Remove duplicates.
5848         * configure: Regenerate.
5849         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5850         big and little endian version for a given address size.
5852 2010-02-03  Doug Kwan  <dougkwan@google.com>
5854         * arm-reloc-property.cc
5855         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5856         definition.
5857         * arm-reloc-property.h
5858         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5859         New method definition.
5860         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5861         declaration.
5862         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5863         overflow to N.
5864         (GOT_PREL): Change implemented to Y.
5865         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5866         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5867         (Arm_relocate_functions::movw_abs_nc): Remove method.
5868         (Arm_relocate_functions::movt_abs): Ditto.
5869         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5870         (Arm_relocate_functions::thm_movt_abs): Ditto.
5871         (Arm_relocate_functions::movw_rel_nc): Ditto.
5872         (Arm_relocate_functions::movw_rel): Ditto.
5873         (Arm_relocate_functions::movt_rel): Ditto.
5874         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5875         (Arm_relocate_functions:thm_movw_rel): Ditto.
5876         (Arm_relocate_functions:thm_movt_rel): Ditto.
5877         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5878         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5879         New method definitions.
5880         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5881         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5882         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5883         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5884         (Target_arm::Relocate::relocate): Check for non-static or
5885         unimplemented relocation code and exit early.  Change calls to
5886         Target_arm::reloc_uses_thumb_bit and
5887         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5888         instead.  Refactor code to handle similar relocations to increase
5889         code sharing.  Remove check for unsupported relocation code in switch
5890         statement.
5891         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5892         relocation property table to find out size.  Change error message to
5893         print out the name of a relocation code instead of the numeric value.
5894         (Target_arm::scan_reloc_for_stub): Use relocation property table
5895         instead of calling Target_arm::reloc_uses_thumb_bit().
5897 2010-02-02  Doug Kwan  <dougkwan@google.com>
5899         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5900         types of relaxed input section.
5902 2010-02-02  Doug Kwan  <dougkwan@google.com>
5904         * Makefile.am (HFILES): Add arm-reloc-property.h.
5905         (DEFFILES): New.
5906         (TARGETSOURCES): Add arm-reloc-property.cc
5907         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5908         (libgold_a_SOURCES): $(DEFFILES)
5909         * Makefile.in: Regenerate.
5910         * arm-reloc-property.cc: New file.
5911         * arm-reloc-property.h: New file.
5912         * arm-reloc.def: New file.
5913         * arm.cc: Update comments.
5914         (arm-reloc-property.h): New included header.
5915         (arm_reloc_property_table): New global variable.
5916         (Target_arm::do_select_as_default_target): New method definition.
5917         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5918         arm-reloc-property to targ_extra_obj.
5919         * parameters.cc (set_parameters_target): Call
5920         Target::select_as_default_target().
5921         * target.h (Target::select_as_default_target): New method definition.
5922         (Target::do_select_as_default_target): Same.
5924 2010-02-01  Doug Kwan  <dougkwan@google.com>
5926         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5927         first_output_text_section_.
5928         (Arm_exidx_fixup::first_output_text_section): New method definition.
5929         (Arm_exidx_fixup::first_output_text_section_): New data member.
5930         (Arm_exidx_fixup::process_exidx_section): Record the first text
5931         output section seen.
5932         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5933         and entsize in output section header.
5935 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5937         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5938         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5939         (Arm_relocate_functions::thm_alu11): New Method.
5940         (Arm_relocate_functions::thm_pc8): New Method.
5941         (Arm_relocate_functions::thm_pc12): New Method.
5942         (Target_arm::Scan::local): Handle the relocations.
5943         (Target_arm::Scan::global): Likewise.
5944         (Target_arm::Relocate::relocate): Likewise.
5945         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5947 2010-01-29  Doug Kwan  <dougkwan@google.com>
5949         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5950         of relocation types as ld.
5952 2010-01-29  Doug Kwan  <dougkwan@google.com>
5954         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5955         to public.
5956         (Arm_relocate_functions::thumb_branch_common): Ditto.
5957         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5958         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5959         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5960         Arm_relocate_functions::jump24): Remove.
5961         (Target_arm::Relocate::relocate): Adjust code to call
5962         Arm_relocation_functions::arm_branch_common and
5963         Arm_relocation_functions::thumb_branch_common instead of their removed
5964         wrappers.  Merge switch-cases together to reduce source code size.
5966 2010-01-29  Doug Kwan  <dougkwan@google.com>
5968         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5969         output_local_symbol_count_needs_update_.
5970         (Arm_relobj::output_local_symbol_count_needs_update,
5971          Arm_relobj::set_output_local_symbol_count_needs_update,
5972          Arm_relobj::update_output_local_symbol_count): New methods.
5973         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5974         member.
5975         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5976         of pointed function as in a R_ARM_PREL31 relocation.
5977         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5978         for output local symbol count updating.
5979         (Target_arm::do_relax): Update output local symbol counts in objects
5980         if necessary.
5981         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5983 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5985         * arm.cc: Added support for the ARM relocations:
5986         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5987         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5988         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5989         movw_prel_nc).
5990         (Arm_relocate_functions::movw_rel): New method.
5991         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5992         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5993         thm_movw_prel_nc).
5994         (Arm_relocate_functions::thm_movw_rel): New method.
5995         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5996         thm_movt_prel).
5997         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5998         relocations.
5999         (Target_arm::Scan::global): Likewise.
6000         (Target_arm::Relocate::relocate): Likewise.
6001         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6002         Likewise.
6004 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6006         * arm.cc: Added support for ARM group relocations.
6007         (Target_arm::reloc_needs_sym_origin): New method.
6008         (Arm_relocate_functions::calc_grp_kn): New method.
6009         (Arm_relocate_functions::calc_grp_residual): New method.
6010         (Arm_relocate_functions::calc_grp_gn): New method.
6011         (Arm_relocate_functions::arm_grp_alu): New Method.
6012         (Arm_relocate_functions::arm_grp_ldr): New Method.
6013         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6014         (Arm_relocate_functions::arm_grp_ldc): New Method.
6015         (Target_arm::Scan::local): Handle the ARM group relocations.
6016         (Target_arm::Scan::global): Likewise.
6017         (Target_arm::Relocate::relocate): Likewise.
6018         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6019         Likewise.
6021 2010-01-26  Doug Kwan  <dougkwan@google.com>
6023         * arm.cc (set): Include.
6024         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6025         pointer type.
6026         (Arm_output_section::Text_section_list): New type.
6027         (Arm_output_section::append_text_sections_to_list): New method.
6028         (Arm_output_section::fix_exidx_coverage): Ditto.
6029         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6030         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6031         Relobj::set_section_offset() instead of
6032         Sized_relobj::invalidate_section_offset().
6033         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6034         parameter for section headers. Ignore relocation sections for
6035         unallocated sections and EXIDX sections.
6036         (Target_arm::fix_exidx_coverage): New method.
6037         (Target_arm::output_section_address_less_than): New type.
6038         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6039         linked text section instead of the EXIDX section.
6040         (Arm_output_section::create_stub_group): Add an assertion to check
6041         that this is not an EXIDX output section.
6042         (Arm_output_section::append_text_sections_to_list): New method.
6043         (Arm_output_section::fix_exidx_coverage): Ditto.
6044         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6045         Arm_relobj::section_needs_reloc_stub_scanning.
6046         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6047         first pass.
6048         (Target_arm::fix_exidx_coverage): New method.
6049         * object.h (Relobj::set_output_section): New method.
6050         (Sized_relobj::invalidate_section_offset): Remove method.
6051         (Sized_relobj::do_invalidate_section_offset): Remove method.
6052         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6054 2010-01-25  Doug Kwan  <dougkwan@google.com>
6056         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6057         Fix warning due to signed and unsigned comparison on a 32-bit host.
6059 2010-01-22  Doug Kwan  <dougkwan@google.com>
6061         * arm.cc (Target_arm::do_relax): Record an output section for section
6062         offset adjustment it contains any stub table that has changed.
6063         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6064         offsets in an output section if necessary.
6065         * output.cc (Output_section::Output_section): Initialize
6066         section_offsets_need_adjustments_.
6067         (Output_section::add_input_section_for_script): Renamed to
6068         Output_section::add_simple_input_section.
6069         (Output_section::save_states): Add a comment.
6070         (Output_section::discard_states): New method defintion.
6071         (Output_section::adjust_section_offsets): Same.
6072         * output.h (Output_section::add_input_section_for_script): Renamed to
6073         Output_section::add_simple_input_section.
6074         (Output_section::discard_states): New method declaration.
6075         (Output_section::adjust_section_offsets): Same.
6076         (Output_section::section_offsets_need_adjustment,
6077         Output_section::set_section_offsets_need_adjustment): New method
6078         definitions.
6079         (Output_section::section_offsets_need_adjustment_): New data member.
6080         * script-sections.cc
6081         (Output_section_element_input::set_section_address): Adjust code for
6082         renaming of Output_section::add_input_section_for_script.
6083         (Orphan_output_section::set_section_address): Same.
6085 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6087         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6088         Fix_v4bx enum values .
6089         * gold/options.h (General_options): New option definitions.
6090         (General_options::fix_v4bx): New method.
6091         (General_options::Fix_v4bx): New enum.
6092         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6093         (General_options::parse_fix_v4bx_interworking): New method.
6095 2010-01-22  Doug Kwan  <dougkwan@google.com>
6097         * arm.cc (Arm_exidx_fixup): New class.
6099 2010-01-21  Doug Kwan  <dougkwan@google.com>
6101         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6102         classes.
6103         (Arm_exidx_section_offset_map): New type.
6105 2010-01-21  Doug Kwan  <dougkwan@google.com>
6107         * arm.cc (Arm_exidx_input_section): New class.
6108         (Arm_relobj::exidx_input_section_by_link,
6109         Arm_relobj::exidx_input_section_by_shndx,
6110         Arm_relobj::make_exidx_input_section): New methods.
6111         (read_arm_attributes_section): Remove.
6112         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6113         information about them.
6114         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6115         to here.
6117 2010-01-20  Doug Kwan  <dougkwan@google.com>
6119         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6120         Input_section_specifier to Section_id.
6121         (Target_arm::new_arm_input_section: Adjust code for change of key
6122         type.
6123         (Target_arm::find_arm_input_section): Ditto.
6124         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6125         (Section_id): Remove.
6126         (Garbage_collection::Section_id_hash): Remove.
6127         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6128         (Section_id): Remove.
6129         (Icf::Section_id_hash): Remove.
6130         * object.h (Section_id, Const_section_id, Section_id_hash,
6131         Const_section_id_hash): New type definitions.
6132         * output.cc (Output_section::add_relaxed_input_section): Change to
6133         use Const_section_id instead of Input_section_specifier as key type.
6134         (Output_section::add_merge_input_section): Ditto.
6135         (Output_section::build_relaxation_map): Change to use Section_id
6136         instead of Input_section_specifier as key type.
6137         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6138         Ditto.
6139         (Output_section::convert_input_sections_to_relaxed_sections): Change
6140         to use Const_section_id instead of Input_section_specifier as key type.
6141         (Output_section::find_merge_section): Ditto.
6142         (Output_section::find_relaxed_input_section): Ditto.
6143         * output.h (Input_section_specifier): Remove class.
6144         (Output_section::Output_section_data_by_input_section_map): Change
6145         key type to Const_section_id.
6146         (Output_section::Output_relaxed_input_section_by_input_section_map):
6147         Ditto.
6148         (Output_section::Relaxation_map): Change key type to Section_id.
6150 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6152         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6153         (class Arm_v4bx_stub): New class.
6154         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6155         (Stub_factory::make_arm_v4bx_stub): New method.
6156         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6157         (Stub_table::empty): Handle v4bx stubs.
6158         (Stub_table::add_arm_v4bx_stub): New method.
6159         (Stub_table::find_arm_v4bx_stub): New method.
6160         (Arm_relocate_functions::v4bx): New method.
6161         (Target_arm::fix_v4bx): New method.
6162         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6163         (Stub_table::relocate_stubs): Likewise.
6164         (Stub_table::do_write): Likewise.
6165         (Stub_table::update_data_size_and_addralign): Likewise.
6166         (Stub_table::finalize_stubs):  Likewise.
6167         (Target_arm::Scan::local): Likewise.
6168         (Target_arm::Scan::global): Likewise.
6169         (Target_arm::do_finalize_sections): Likewise.
6170         (Target_arm::Relocate::relocate): Likewise.
6171         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6172         Likewise.
6173         (Target_arm::scan_reloc_for_stub): Likewise.
6174         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6176 2010-01-19  Ian Lance Taylor  <iant@google.com>
6178         * output.cc (Output_section_headers::do_sized_write): Write large
6179         segment count to sh_info field.
6180         (Output_file_header::do_sized_write): For large segment count,
6181         write PN_XNUM to e_phnum field.
6183 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6185         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6186         (Arm_relocate_functions::thm_jump8): New function.
6187         (Arm_relocate_functions::thm_jump11): New function.
6188         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6189         R_ARM_THM_JUMP11.
6190         (Target_arm::Scan::global): Likewise.
6191         (Target_arm::Relocate::relocate): Likewise.
6192         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6193         Likewise.
6195 2010-01-14  Doug Kwan  <dougkwan@google.com>
6197         * arm.cc (map, utility): Include headers.
6198         (Target_arm::apply_cortex_a8_workaround): New method.
6199         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6200         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6201         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6202         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6203         the --[no-]fix-cortex-a8 command line options.
6204         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6205         (Target_arm::relocate_stub): Use addend in instruction template.
6206         * options.h (DEFINE_bool): Set the user-set flag.
6207         (General_options): Add --[no-]-fix-cortex options.
6208         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6209         : Update fast look-up map after conversion.
6211 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6213         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6214         in the first pass of do_layout.
6216 2010-01-13  Doug Kwan  <dougkwan@google.com>
6218         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6219         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6220         apparent compiler problem of not folding static constant integral
6221         data members of elfcpp::Elf_sizes<32>.
6223 2010-01-13  Doug Kwan  <dougkwan@google.com>
6225         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6226         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6227         Arm_relobj::scan_section_for_cortex_a8_erratum,
6228         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6229         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6230         sections to scan for relocation stubs into a new method
6231         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6232         relocation and Cortex-A8 stub scanning.
6233         (Target_arm::do_relax): Force stubs to be after stubbed sections
6234         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6235         the beginning of a new relaxation pass.  Update a comment.
6236         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6238 2010-01-12  Ian Lance Taylor  <iant@google.com>
6240         * target-reloc.h (visibility_error): New inline function.
6241         (relocate_section): Call visibility_error.
6242         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6243         (MOSTLYCLEANFILES): Likewise.
6244         (protected_4_pic.o, protected_3.err): New targets.
6245         * testsuite/protected_4.cc: New file.
6247 2010-01-12  Doug Kwan  <dougkwan@google.com>
6249         * arm.cc (Cortex_a8_reloc): New class.
6250         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6251         and cortex_a8_relocs_info_.
6252         (Target_arm::fix_cortex_a8): New method definition.
6253         (Target_arm::Cortex_a8_relocs_info): New type.
6254         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6255         New data member declarations.
6256         (Target_arm::scan_reloc_for_stub): Record information about
6257         relocations for THUMB branches that might be exempted from the
6258         Cortex-A8 workaround.
6259         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6260         at the beginning of a relaxation pass.
6262 2010-01-12  Doug Kwan  <dougkwan@google.com>
6264         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6265         (Arm_relobj::Mapping_symbol_position,
6266          Arm_reloj::Mapping_symbol_position_less,
6267          Arm_relobj::Mapping_symbols_info): New types.
6268         (Target_arm::is_mapping_symbol_name): New method definition.
6269         (Arm_relobj::do_count_local_symbols): Save information about mapping
6270         symbols.
6272 2010-01-11  Doug Kwan  <dougkwan@google.com>
6274         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6275         Arm_relocate_functions::thumb32_branch_upper,
6276         Arm_relocate_functions::thumb32_branch_lower,
6277         Arm_relocate_functions::thumb32_cond_branch_offset,
6278         Arm_relocate_functions::thumb32_cond_branch_upper,
6279         Arm_relocate_functions::thumb32_cond_branch_lower,
6280         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6281         branch offset encoding.
6282         (Arm_relocate_functions::thumb_branch_common): Use new branch
6283         offset encoding methods to avoid code duplication.
6284         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6285         (Stub_addend_reader::operator()): Use new branch encoding method
6286         to avoid code duplication.
6288 2010-01-11  Doug Kwan  <dougkwan@google.com>
6290         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6291         (Target_arm::do_finalize_sections): Define special EXIDX section
6292         symbols only if referenced.
6293         * gc.h (Garbage_collection::add_reference): New method.
6294         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6295         code duplication.
6297 2010-01-11  Ian Lance Taylor  <iant@google.com>
6299         * script.cc (Version_script_info::build_expression_list_lookup):
6300         Change complaing about duplicate wildcard match from error to
6301         warning.
6303         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6304         of 2009-12-30.
6305         (Version_script_info::Version_script_info): Initialize globs_,
6306         default_version_, default_is_global_, and exact_.  Don't
6307         initialize globals_ or locals_.
6308         (Version_script_info::build_lookup_tables): Build local symbols
6309         first.
6310         (Version_script_info::unquote): New function.
6311         (Version_script_info::add_exact_match): New function.
6312         (Version_script_info::build_expression_list_lookup): Remove lookup
6313         parameter.  Add is_global parameter.  Change all callers.  Handle
6314         wildcard pattern specially.  Unquote pattern.  Call
6315         add_exact_match.
6316         (Version_script_info::get_name_to_match): New function.
6317         (Version_script_info::get_symbol_version): New function.
6318         (Version_script_info::get_symbol_version_helper): Remove.
6319         (Version_script_info::check_unmatched_names): Call unquote.
6320         * script.h (class Version_script_info): Change get_symbol_version
6321         to be non-inline and add is_global parameter; change all callers.
6322         Rewrite symbol_is_local.  Update declarations.  Define struct
6323         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6324         Remove globals_ and locals_ members.  Add exact_, globs_,
6325         default_version_, is_global_.
6326         (Version_script_info::Glob): Remove pattern, add expression and
6327         is_global.  Update constructor.  Change all callers.
6328         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6329         default version.
6330         (Versions::symbol_section_contents): If a symbol is undefined, or
6331         defined in a dynamic object, set the version index to
6332         VER_NDX_LOCAL.
6333         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6334         symbol_is_local.
6335         (Symbol_table::add_from_pluginobj): Likewise.
6336         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6338 2010-01-11  Doug Kwan  <dougkwan@google.com>
6340         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6341         (incremental_dump_LDADD): Add linking option for libintl.
6342         * Makefile.in: Regenerate.
6344 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6346         PR gold/11144
6347         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6348         instead of -Ds.
6349         * testsuite/Makefile.in: Regenerated.
6351 2010-01-10  Doug Kwan  <dougkwan@google.com>
6353         * options.h (DEFINE_var): Use parentheses around argument varname__
6354         in macro body to avoid any unintended subsequent substitutions.
6356 2010-01-10  Ian Lance Taylor  <iant@google.com>
6358         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6359         candidates before doing symbol resolution.
6361         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6362         ODR candidates if only one is weak.
6364 2010-01-08  Ian Lance Taylor  <iant@google.com>
6366         * script.cc (Version_script_info::build_expression_list_lookup):
6367         Don't warn about ambiguous version, just record the ambiguity.
6368         (Version_script_info::get_symbol_version_helper): Give error if
6369         version is ambiguous.
6371 2010-01-08  Doug Kwan  <dougkwan@google.com>
6373         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6374           prev_data_size_ and prev_addralign_.  Remove initializer for
6375           deleted data member has_been_changed_.
6376           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6377           to determine if the table is empty.
6378           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6379           Remove.
6380           (Stub_table::add_reloc_stub): Define method in class definition
6381           instead of just declaring it there.
6382           (Stub_table::add_cortex_a8_stub): New method definition.
6383           (Stub_table::update_data_size_and_addralign): Ditto.
6384           (Stub_table::finalize_stubs): Ditto.
6385           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6386           (Stub_table::do_addralign_): Return address alignment in the
6387           (Stub_table::do_reset_address_and_file_offset): Define method in
6388           class definition instead of declaring it there.  Set current data
6389           size to be the data size of the previous pass.
6390           (Stub_table::set_final_data_size): Use current data size as the
6391           final data size.
6392           (Stub_table::relocate_stub): Change parameter type of stub from
6393           Reloc_stub pointer to Stub pointer.
6394           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6395           (Stub_table::Cortex_a8_stub_list): New typedef.
6396           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6397            Stub_table::prev_addralign_): New data member.
6398           (Arm_relobj::Arm_relobj): Initialize data member
6399           section_has_cortex_a8_workaround_.
6400           (Arm_relobj::section_has_cortex_a8_workaround,
6401            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6402            definitions.
6403           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6404           declarations.
6405           (Target_arm::relocate_stub): Change parameter type of stub from
6406           Reloc_stub pointer to Stub pointer.
6407           (Insn_template::size, Insn_template::alignment): Handle
6408           THUMB16_SPECIAL_TYPE.
6409           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6410            Stub_table::update_data_size_and_addralign,
6411            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6412           definitions.
6413           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6414           (Stub_table::do_write): Ditto.
6415           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6417 2010-01-08  Ian Lance Taylor  <iant@google.com>
6419         PR 11108
6420         * symtab.h (class Symbol): Remove fields is_target_special_ and
6421         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6422         (Symbol::is_defined_in_discarded_section): New function.
6423         (Symbol::set_is_defined_in_discarded_section): New function.
6424         (Symbol::has_plt_offset): Rewrite.
6425         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6426         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6427         Don't initialize is_target_special_ or has_plt_offset_.
6428         Initialize is_defined_in_discarded_section_.
6429         (Symbol_table::add_from_relobj): If appropriate, set
6430         is_defined_in_discarded_section.
6431         * resolve.cc (Symbol::override_base_with_special): Don't test
6432         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6433         * target-reloc.h (relocate_section): Do special handling for
6434         symbols defined in discarded sections for global symbols as well
6435         as local symbols.
6437 2010-01-08  Ian Lance Taylor  <iant@google.com>
6439         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6440         the SHT_SYMTAB case.
6442 2010-01-08  Ian Lance Taylor  <iant@google.com>
6444         * object.cc (Sized_relobj::do_layout): Don't get confused if
6445         layout_eh_frame returns NULL.
6447 2010-01-08  Ian Lance Taylor  <iant@google.com>
6449         PR 11084
6450         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6451         dynamic symbol table, use the normal symbol table.
6452         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6453         symbol table.
6455 2010-01-08  Ian Lance Taylor  <iant@google.com>
6457         PR 11072
6458         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6459         sections.
6461 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6463         * version.cc (print_version): Change to "Copyright 2010".
6465 2010-01-08  Ian Lance Taylor  <iant@google.com>
6467         PR 10287
6468         PR 11063
6469         * i386.cc (class Target_i386): Change return type of plt_section
6470         to be non-const.
6471         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6472         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6473         tls_desc_rel_ field.
6474         (Output_data_plt_i386::rel_tls_desc): New function.
6475         (Target_i386::rel_tls_desc_section): New function.
6476         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6477         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6478         R_386_TLS_DESC reloc in rel_tls_desc_section.
6479         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6480         Define struct Tlsdesc_info.
6481         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6482         (Target_x86_64::do_reloc_symbol_index): New function.
6483         (Target_x86_64::add_tlsdesc_info): New function.
6484         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6485         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6486         tlsdesc_rel_ field.
6487         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6488         all callers.
6489         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6490         (Target_x86_64::rela_tlsdesc_section): New function.
6491         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6492         handling.
6493         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6494         (Target_x86_64::do_reloc_addend): New function.
6495         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6496         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6497         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6498         (Output_reloc::type): New function.
6499         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6500         (Output_reloc::is_target_specific): New function.
6501         (Output_reloc::target_arg): New function.
6502         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6503         absolute relocs and target specific relocs.
6504         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6505         add_target_specific.
6506         (class Output_data_reloc) [SHT_RELA]: Likewise.
6507         * output.cc (Output_reloc::Output_reloc): Add four new versions
6508         for absolute relocs and target specific relocs.
6509         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6510         (Output_reloc::get_symbol_index): Likewise.
6511         (Output_reloc::local_section_offset): Check that local_sym_index_
6512         is not TARGET_CODE or 0.
6513         (Output_reloc::symbol_value): Likewise.
6514         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6515         reloc.
6516         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6517         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6518         functions.
6519         * layout.cc (add_target_dynamic_tags): Use output section for
6520         DT_PLTRELSZ and DT_JMPREL.
6522 2010-01-07  Ian Lance Taylor  <iant@google.com>
6524         PR 11061
6525         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6526         function.
6527         (class Output_data_reloc_generic): Define.
6528         (class Output_data_reloc_base): Change base class to
6529         Output_data_reloc_generic.  Change add() method to call
6530         bump_relative_reloc_count for a relative reloc.  Remove
6531         sort_relocs_ field.
6532         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6533         to sort_relocs().
6534         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6535         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6536         appropriate.
6537         * layout.h (class Layout): Update declaration.
6539 2010-01-07  Ian Lance Taylor  <iant@google.com>
6541         * output.h (class Output_data): Add const version of
6542         output_section and do_output_section.
6543         (class Output_section_data): Add const version of
6544         do_output_section.
6545         (class Output_section): Likewise.
6546         * layout.cc (Layout::add_target_dynamic_tags): New function.
6547         * layout.h (class Layout): Update declarations.
6548         * arm.cc (Target_arm::do_finalize_sections): Use
6549         add_target_dynamic_tags.
6550         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6551         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6552         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6553         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6555 2010-01-07  Ian Lance Taylor  <iant@google.com>
6557         PR 11042
6558         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6559         object as needed.
6561 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6562             Ian Lance Taylor  <iant@google.com>
6564         PR 11019
6565         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6566         Xindex::read_symtab_xindex.
6568 2010-01-07  Doug Kwan  <dougkwan@google.com>
6570         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6571         (Insn_template::thumb16_bcond_insn): New method declaration.
6572         (Insn_template): Fix spelling.
6573         (Stub::thumb16_special): New method declaration.
6574         (Stub::do_write): Define virtual method which was previously pure
6575         virtual.
6576         (Stub::do_thumb16_special): New method declaration.
6577         (Stub::do_fixed_endian_write): New template member.
6578         (Reloc_stub::do_write): Remove.
6579         (Reloc_stub::do_fixed_endian_write): Remove.
6580         (Cortex_a8_stub): New class definition.
6581         (Stub_factory::make_cortex_a8_stub): New method definition.
6582         (Stub_factory::Stub_factory): Add missing static storage class
6583         qualifier for elf32_arm_stub_a8_veneer_blx.
6585 2010-01-07  Ian Lance Taylor  <iant@google.com>
6587         PR 10980
6588         * options.h (class General_options): Add --warn-unresolved-symbols
6589         and --error-unresolved-symbols.
6590         * errors.cc (Errors::undefined_symbol): Implement
6591         --warn-unresolved-symbols.
6593         * options.h (class General_options): Add -z text and -z textoff.
6594         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6596 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6598         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6599         (Garbage_collection::cident_sections): New function.
6600         (Garbage_collection::add_cident_section): New function.
6601         (Garbage_collection::cident_sections_): New member.
6602         (gc_process_relocs): Add references to sections whose names are C
6603         identifiers.
6604         * gold.h (cident_section_start_prefix): New constant.
6605         (cident_section_stop_prefix): New constant.
6606         (is_cident): New function.
6607         * layout.cc (Layout::define_section_symbols): Replace string constants
6608         with the newly defined constants.
6609         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6610         C identifiers.
6611         * testsuite/Makefile.am: Add gc_orphan_section_test.
6612         * testsuite/Makefile.in: Regenerate.
6613         * testsuite/gc_orphan_section_test.cc: New file.
6614         * testsuite/gc_orphan_section_test.sh: New file.
6616 2010-01-06  Ian Lance Taylor  <iant@google.com>
6618         PR 10980
6619         * options.h (class General_options): Add --warn-shared-textrel.
6620         * layout.cc (Layout::finish_dynamic_section): Implement
6621         --warn-shared-textrel.
6623         PR 10980
6624         * options.h (class General_options): Add --warn-multiple-gp.
6626 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6628         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6629         $(THREADSLIB) and $(LIBDL).
6630         * Makefile.in: Rebuild.
6632 2010-01-06  Ian Lance Taylor  <iant@google.com>
6634         PR 10980
6635         * options.cc (General_options::parse_section_start): New function.
6636         (General_options::section_start): New function.
6637         (General_options::General_options): Initialize all members.
6638         * options.h: Include <map>
6639         (class General_options): Add --section-start.  Add section_starts_
6640         member.
6641         * layout.cc (Layout::attach_allocated_section_to_segment): If
6642         --section-start was used, set the address of the segment.  Remove
6643         local sort_sections.
6644         (Layout::relaxation_loop_body): If the address of the load segment
6645         has been set by --section-start, don't use it.
6646         * output.h (Output_segment::update_flags_for_output_section): New
6647         function.
6648         * output.cc (Output_segment::add_output_section): Call
6649         update_flags_for_output_section.
6651 2010-01-05  Ian Lance Taylor  <iant@google.com>
6653         PR 10980
6654         * options.h (class General_options): Add --undefined-version.
6655         * script.cc (struct Version_expression): Add was_matched_by_symbol
6656         field.
6657         (Version_script_info::matched_symbol): New function.
6658         (Version_script_info::get_symbol_version_helper): Call
6659         matched_symbol.
6660         (Version_script_info::check_unmatched_names): New function.
6661         * script.h (class Version_script_info): Update declarations.
6662         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6664         * options.h (class General_options): Use DEFINE_bool_alias for
6665         allow_multiple_definition.
6666         * resolve.cc (Symbol_table::should_override): Don't test
6667         allow_multiple_definition.
6669         PR 10980
6670         * options.h (class General_options): Add --cref.
6671         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6672         until after printing cref table.
6673         * cref.cc: Include "symtab.h".
6674         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6675         (Cref_table_compare::operator()): New function.
6676         (Cref_inputs::gather_cref): New function.
6677         (filecol): New static const.
6678         (Cref_inputs::print_cref): New function.
6679         (Cref::print_cref): New function.
6680         * cref.h: Include <cstdio>.
6681         (class Cref): Update declarations.
6682         * mapfile.h (Mapfile::file): New function.
6683         * object.h (class Object): Define Symbols.  Declare virtual
6684         do_get_global_symbols.
6685         (Object::get_global_symbols): New function.
6686         * object.cc (Input_objects::add_object): Pass object to cref_ if
6687         --cref.
6688         (Input_objects::archive_start): Likewise.
6689         (Input_objects::archive_stop): Likewise.
6690         (Input_objects::print_cref): New function.
6691         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6692         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6693         --cref.
6694         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6695         function.
6696         * plugin.h (class Sized_pluginobj): Update declarations.
6698 2010-01-05  Ian Lance Taylor  <iant@google.com>
6700         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6701         to is_default_version.  Rename insdef to insdefault.
6702         (Symbol_table::add_from_relobj): Rename def to is_default_version
6703         and local to is_forced_local.
6704         (Symbol_table::add_from_pluginobj): Likewise.
6705         (Symbol_table::add_from_dynobj): Likewise.
6706         (Symbol_table::define_special_symbol): Rename insdef to
6707         insdefault.
6709 2010-01-04  Ian Lance Taylor  <iant@google.com>
6711         PR 10980
6712         * options.h (class General_options): Add
6713         --allow-multiple-definition and -z muldefs.
6714         * resolve.cc (Symbol_table::should_override): Don't warn about a
6715         multiple symbol definition if --allow-multiple-definition or -z
6716         muldefs.
6718         PR 10980
6719         * options.h (class General_options): Add --add-needed and
6720         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6721         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6722         error if --copy-dt-needed-entries aka --add-needed is used and
6723         would cause a change in behaviour.
6725         PR 10980
6726         * options.h (class General_options): Add -G as a short version of
6727         --shared.  Add no-op options -assert, -g, and -i.
6729 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6731         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6732         check for .text or .gnu.linkonce.t sections.
6733         * icf.cc (Icf::find_identical_sections): Ditto.
6734         Change the detection for mangled function name within the section
6735         name.
6736         * icf.h (is_section_foldable_candidate): New function.
6738 2009-12-30  Ian Lance Taylor  <iant@google.com>
6740         PR 10980
6741         * options.h (class General_options): Permit two dashes with
6742         --retain-symbols-file.
6744 2009-12-30  Ian Lance Taylor  <iant@google.com>
6746         PR 10979
6747         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6748         don't put the file header and segment headers in the text
6749         segment.
6751         PR 10979
6752         * common.cc (Sort_commons::operator()): Stabilize sort when both
6753         entries are NULL.
6754         (Symbol_table::do_allocate_commons_list): When allocating common
6755         symbols, skip a symbol which is no longer common.
6756         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6757         an object before checking its type.
6758         * testsuite/common_test_2.c: New file.
6759         * testsuite/common_test_3.c: New file.
6760         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6761         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6762         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6763         (common_test_2_pic.o, common_test_2.so): New targets.
6764         (common_test_3_pic.o, common_test_3.so): New targets.
6765         * testsuite/Makefile.in: Rebuild.
6767         PR 10979
6768         * script.cc (read_input_script): If we see a new SECTIONS clause,
6769         and we have added an input section, give an error.
6770         * layout.h (class Layout): Add have_added_input_section function.
6771         Add have_added_input_section_ field.
6772         * layout.cc (Layout::Layout): Initialize
6773         have_added_input_section_.
6774         (Layout::layout): Set have_added_input_section_.
6775         (Layout::layout_eh_frame): Likewise.
6777 2009-12-30  Ian Lance Taylor  <iant@google.com>
6779         PR 10931
6780         * options.h (class General_options): Add --sort-common option.
6781         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6782         * common.cc (Sort_common): Add sort_order parameter to
6783         constructor.  Add sort_order_ field.
6784         (Sort_commons::operator): Check sort_order_.
6785         (Symbol_table::allocate_commons): Determine the sort order.
6786         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6787         Change all callers.
6788         (Symbol_table::do_allocate_commons_list): Likewise.
6790 2009-12-30  Ian Lance Taylor  <iant@google.com>
6792         PR 10916
6793         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6794         symbols from this object, don't change the visibility of an
6795         undefined symbol.
6796         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6798 2009-12-30  Ian Lance Taylor  <iant@google.com>
6800         PR 10861
6801         * script.h (class Version_script_info): Define Language enum.
6802         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6803         new fields globals_, locals_, and is_finalized_.
6804         * script.cc: Various formatting fixes.
6805         (class Parser_closure): Change language_stack_ from a vector of
6806         std::string to one of Version_script_info::Language.  Adjust all
6807         uses accordingly.
6808         (class Lazy_demangler): Remove.
6809         (struct Version_expression): Change language from std::string to
6810         Version_script_info::Language.
6811         (Version_script_info::Version_script_info): New function.
6812         (Version_script_info::~Version_script_info): Don't call clear.
6813         (Version_script_info::finalize): New function.
6814         (Version_script_info::build_lookup_tables): New function.
6815         (Version_script_info::build_expression_list_lookup): New
6816         function.
6817         (Version_script_info::get_symbol_version_helper): Rewrite to use
6818         lookup tables.
6819         (Version_script_info::print_expression_list): Adjust to use
6820         Version_script_info::Language.
6821         (script_push_lex_into_version_mode): Check that the version script
6822         has not been finalized.
6823         (version_script_push_lang): Change language string to
6824         Version_script_info::Language.
6825         * options.cc (Command_line::version_script): New function.
6826         * options.h (class General_options): Add finalize_dynamic_list
6827         function.  Change version_script from declaration to definition.
6828         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6829         * testsuite/version_script.map: Remove duplicate def of foo.
6830         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6831         version_script.map.
6832         * testsuite/Makefile.in: Rebuild.
6834 2009-12-30  Ian Lance Taylor  <iant@google.com>
6836         PR 10843
6837         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6838         if the input symbol index is 0, make the output symbol index 0.
6840 2009-12-30  Ian Lance Taylor  <iant@google.com>
6842         PR 10670
6843         * options.h (class General_options): Add -x/--discard-all.
6844         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6845         --discard-all.  If the local symbol needs a dynamic entry, check
6846         that before handling --discard-locals.
6848 2009-12-30  Ian Lance Taylor  <iant@google.com>
6850         PR 10450
6851         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6852         flags to PF_R.
6853         (Output_segment::add_output_section): Don't change the flags if
6854         the type is PT_TLS.
6856         PR 10450
6857         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6858         GNU hash table if they need a dynamic value.  Otherwise, don't add
6859         them if they are defined in a dynamic object or are forced local.
6861 2009-12-29  Ian Lance Taylor  <iant@google.com>
6863         PR 10450
6864         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6865         .gnu.hash table for a 32-bit target.
6867         PR 10450
6868         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6869         regular and a dynamic object only needs a dynamic symbol table
6870         entry if it is externally visible.
6872         PR 10450
6873         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6874         constructor.  Add global_offset_table_ field.
6875         (Target_i386::got_section): Set global_offset_table_.
6876         (Target_i386::do_finalize_sections): Set global_offset_table_
6877         size.
6878         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6879         in constructor.  Add global_offset_table_ field.
6880         (Target_x86_64::got_section): Set global_offset_table_.
6881         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6882         size.
6884         * layout.cc (Layout::Layout): Initialize increase_relro_.
6885         (Layout::get_output_section): Add is_relro, is_last_relro, and
6886         is_first_non_relro parameters.  Change all callers.
6887         (Layout::choose_output_section): Likewise.
6888         (Layout::add_output_section_data): Likewise.
6889         (Layout::make_output_section): Likewise.
6890         (Layout::set_segment_offsets): Clear increase_relro when using a
6891         linker script.
6892         * layout.h (class Layout): Add increase_relro method.  Add
6893         increase_relro_ field.  Update declarations.
6894         * output.cc (Output_section::Output_section): Initialize
6895         is_last_relro_ and is_first_non_relro_.
6896         (Output_segment::add_output_section): Group relro sections is
6897         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6898         (Output_segment::maximum_alignment): Remove relro handling.
6899         (Output_segment::set_section_addresses): Add increase_relro
6900         parameter.  Change all callers.  Add initial alignment to align
6901         relro sections on separate page.  Remove old relro handling.
6902         (Output_segment::set_section_list_addresses): Remove in_relro
6903         parameter.  Change all callers.
6904         (Output_segment::set_offset): Add increase parameter.  Change all
6905         callers.  Remove old relro handling.
6906         * output.h (class Output_section): Add new methods: is_last_relro,
6907         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6908         Add is_last_relro_ and is_first_non_relro_ fields.
6909         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6910         Create separate .got.plt section.  Call increase_relro.
6911         * x86_64.cc (Target_x86_64::got_section): Likewise.
6912         * testsuite/relro_script_test.t: Add .got.plt.
6914         PR 10450
6915         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6916         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6917         (Layout::finalize): Call set_dynamic_symbol_size.
6918         (Layout::set_dynamic_symbol_size): New function.
6919         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6920         set_dynamic_symbol_size.
6922         PR 10450
6923         * output.h (class Output_section): Add is_entsize_zero_ field.
6924         * output.cc (Output_section::Output_section): Initialize
6925         is_entsize_zero_.
6926         (Output_section::set_entsize): If two different entsizes are
6927         requested, force it to zero.
6928         (Output_section::add_input_section): Set flags for .debug_str
6929         before updating section flags.  Set entsize.
6930         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6931         and SHF_STRING if all input sections have those flags.
6933 2009-12-29   Rafael Espindola  <espindola@google.com>
6935         * main.cc (main): Fix the sys time reporting.
6936         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6937         reporting.
6939 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6941         * options.cc (General_options::parse_version): Allow -v to exit
6942         without an error if there is nothing to link.
6944 2009-12-29  Ian Lance Taylor  <iant@google.com>
6946         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6947         using a version of gcc before 4.1.
6948         * configure: Rebuild.
6950 2009-12-28  Chris Demetriou  <cgd@google.com>
6952         * attributes.cc (Output_attributes_section_data::do_write): Use
6953         std::vector::front rather than std::vector::data.
6955 2009-12-28  Ian Lance Taylor  <iant@google.com>
6957         * symtab.h (class Symbol_table): Add enum Defined.
6958         * resolve.cc (Symbol_table::should_override): Add defined
6959         parameter.  Change all callers.  Test whether object is NULL
6960         before calling a method on it.
6961         (Symbol_table::report_resolve_problem): Add defined parameter.
6962         Change all callers.
6963         (Symbol_table::should_override_with_special): Likewise.
6964         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6965         parameter.  Change all callers.
6966         (Symbol_table::do_define_in_output_data): Likewise.
6967         (Symbol_table::define_in_output_segment): Likewise.
6968         (Symbol_table::do_define_in_output_segment): Likewise.
6969         (Symbol_table::define_as_constant): Likewise.
6970         (Symbol_table::do_define_as_constant): Likewise.
6971         * script.h (class Symbol_assignment): Add is_defsym parameter to
6972         constructor; change all callers.
6973         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6974         parameter.  Change all callers.  Add is_defsym_ field.
6975         (class Parser_closure): Add parsing_defsym parameter to
6976         constructor; change all callers.  Add parsing_defsym accessor
6977         function.  Add parsing_defsym_ field.
6979 2009-12-28  Ian Lance Taylor  <iant@google.com>
6981         * gold.cc (queue_middle_tasks): Fix formatting.
6982         * object.cc (Relobj::is_section_name_included): Likewise.
6984 2009-12-23  Ian Lance Taylor  <iant@google.com>
6986         * i386.cc (Target_i386::do_calls_non_split): Recognize
6987         -fsplit-stack prologue for a function with a static chain.
6988         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6989         -fsplit-stack prologue when using %r11.
6991 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6993         * options.cc (General_options::parse_version): Make -v continue and do
6994         the link like GNU ld does.
6996 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6998         * Makefile.am (CCFILES): Add timer.cc.
6999         (HFILES): Add timer.h.
7000         * configure.ac: Check for sysconf and times.
7001         * main.cc: include timer.h.
7002         (main): Use Timer instead of get_run_time.
7003         * timer.cc: New.
7004         * timer.h: New.
7005         * workqueue.cc: include timer.h.
7006         (Workqueue::find_and_run_task):
7007         Report user, sys and wall time.
7008         * Makefile.in: Regenerate.
7009         * config.in: Regenerate.
7010         * configure: Regenerate.
7012 2009-12-16  Doug Kwan  <dougkwan@google.com>
7014         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7015         sections.
7016         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7017         relaxed input sections.
7018         * output.cc (Output_section::find_relaxed_input_section): Change
7019         return type to Output_relaxed_input_section pointer.  Adjust code
7020         for new type of relaxed_input_section_map_.
7021         * output.h (Output_section::find_relaxed_input_section): Change
7022         return type to Output_relaxed_input_section pointer.
7023         (Output_section::Output_relaxed_input_section_by_input_section_map):
7024         New type.
7025         (Output_section::relaxed_input_section_map_): Change type to
7026         Output_section::Output_relaxed_input_section_by_input_section_map.
7027         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7028         input section.
7030 2009-12-15  Ian Lance Taylor  <iant@google.com>
7032         * layout.cc (Layout::create_shstrtab): Only write out after input
7033         sections if we are compressing debug sections.
7035 2009-12-15  Ian Lance Taylor  <iant@google.com>
7037         * archive.cc (Archive::add_symbols): Only look up a symbol without
7038         a version if there is, in fact, a version.
7040 2009-12-14  Ian Lance Taylor  <iant@google.com>
7042         Revert -Wshadow changes, all changes from:
7043         2009-12-11  Doug Kwan  <dougkwan@google.com>
7044         2009-12-11  Nick Clifton  <nickc@redhat.com>
7045         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7047 2009-12-11  Doug Kwan  <dougkwan@google.com>
7049         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7050         due to -Wshadow.
7051         * attributes.cc (Object_attribute::size): Ditto.
7052         (Attributes_section_data::size): Ditto.
7053         (Attributes_section_data::Attributes_section_data): Ditto.
7054         (Output_attributes_section_data::do_write): Ditto.
7055         * attributes.h (Object_attribute::set_type): Ditto.
7056         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7058 2009-12-11  Nick Clifton  <nickc@redhat.com>
7060         * archive.cc: Fix shadowed variable warnings.
7061         * arm.cc: Likewise.
7062         * compressed_output.cc: Likewise.
7063         * compressed_output.h: Likewise.
7064         * configure: Likewise.
7065         * dwarf_reader.cc: Likewise.
7066         * dynobj.cc: Likewise.
7067         * dynobj.h: Likewise.
7068         * ehframe.cc: Likewise.
7069         * ehframe.h: Likewise.
7070         * errors.cc: Likewise.
7071         * expression.cc: Likewise.
7072         * fileread.cc: Likewise.
7073         * fileread.h: Likewise.
7074         * freebsd.h: Likewise.
7075         * i386.cc: Likewise.
7076         * icf.cc: Likewise.
7077         * incremental.h: Likewise.
7078         * layout.cc: Likewise.
7079         * layout.h: Likewise.
7080         * mapfile.cc: Likewise.
7081         * merge.cc: Likewise.
7082         * merge.h: Likewise.
7083         * object.cc: Likewise.
7084         * object.h: Likewise.
7085         * options.h: Likewise.
7086         * output.cc: Likewise.
7087         * output.h: Likewise.
7088         * parameters.cc: Likewise.
7089         * plugin.cc: Likewise.
7090         * powerpc.cc: Likewise.
7091         * reduced_debug_output.cc: Likewise.
7092         * reduced_debug_output.h: Likewise.
7093         * reloc.cc: Likewise.
7094         * reloc.h: Likewise.
7095         * resolve.cc: Likewise.
7096         * script-sections.cc: Likewise.
7097         * script.cc: Likewise.
7098         * script.h: Likewise.
7099         * sparc.cc: Likewise.
7100         * symtab.cc: Likewise.
7101         * symtab.h: Likewise.
7102         * target-select.cc: Likewise.
7103         * target-select.h: Likewise.
7104         * token.h: Likewise.
7105         * workqueue.cc: Likewise.
7106         * workqueue.h: Likewise.
7107         * x86_64.cc: Likewise.
7109 2009-12-10  Doug Kwan  <dougkwan@google.com>
7111         * arm.cc (attributes.h): New include.
7112         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7113         (Arm_relobj::~Arm_relobj): Delete object pointed by
7114         attributes_section_data_.
7115         (Arm_relobj::attributes_section_data): New method definition.
7116         (Arm_relobj::attributes_section_data_): New data member declaration.
7117         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7118         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7119         attributes_section_data_.
7120         (Arm_dynobj::attributes_section_data): New method definition.
7121         (Arm_dynobj::attributes_section_data_): New data member declaration.
7122         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7123         initialization value of may_use_blx_ to false.
7124         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7125         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7126         object attributes to compute results instead of hard-coding.
7127         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7128         Target_arm::get_secondary_compatible_arch,
7129         Target_arm::set_secondary_compatible_arch
7130         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7131         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7132         New method declarations.
7133         (Target_arm::get_aeabi_object_attribute): New method definition.
7134         (Target_arm::attributes_section_data_): New data member declaration.
7135         (read_arm_attributes_section): New template definition.
7136         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7137         (Arm_dynobj::do_read_symbols): Ditto.
7138         (Target_arm::do_finalize_sections): Merge attributes sections from
7139         input.  Check for BLX use after attributes section merging.
7140         Fix __exidx_start and __exidx_end visibility.  Create an
7141         .ARM.attributes section if necessary.
7142         (Target_arm::get_secondary_compatible_arch,
7143         Target_arm::set_secondary_compatible_arch,
7144         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7145         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7146         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7147         New method definitions.
7149 2009-12-09  Ian Lance Taylor  <iant@google.com>
7151         * plugin.cc (Plugin::load): Don't cast from void* to a function
7152         pointer.
7154 2009-12-09  Ian Lance Taylor  <iant@google.com>
7156         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7157         information fields.
7159 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7161         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7162         Replace two_file_shared_1.so with two_file_shared_2.so.
7163         * testsuite/Makefile.in: Regenerated.
7165 2009-12-08  Doug Kwan  <dougkwan@google.com>
7167         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7168         (HFILES): Add attributes.h and int_encoding.h.
7169         * Makefile.in: Regenerate.
7170         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7171         function definitions to int_encoding.cc
7172         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7173         prototypes to int_encoding.h
7174         * reduced_debug_output.cc (int_encoding.h): New include.
7175         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7176         function definitions to int_encoding.cc
7177         (insert_into_vector, read_from_pointer): Move template definitions to
7178         int_encoding.h
7179         * attributes.cc: New file.
7180         * attributes.h: New file.
7181         * int_encoding.cc: New file.
7182         * int_encoding.h: New file.
7184 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7186         PR gold/11055
7187         * incremental-dump.cc (dump_incremental_inputs): New.
7188         (main): Use dump_incremental_inputs.
7190 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7192         PR gold/10893
7193         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7194         checking elfcpp::STT_FUNC.
7195         (Target_i386::Relocate::relocate): Likewise.
7196         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7198         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7199         symbols from shared libraries into normal FUNC symbols.
7201         * symtab.h (Symbol): Add is_func and use it.
7203 2009-12-05  Doug Kwan  <dougkwan@google.com>
7205         * arm.cc (Target_arm::arm_info): Initialize new fields
7206         attributes_section and attributes_vendor.
7207         * i386.cc (Target_i386::i386_info): Same.
7208         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7209         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7210         fields attributes_section and attributes_vendor.
7211         * sparc.cc (Target_sparc::sparc_info): Same.
7212         * target.h (Target::attributes_section, Target::attributes_vendor,
7213         Target::is_attributes_section, Target::attribute_arg_type,
7214         Target::attributes_order): New method definitions.
7215         (Target::Target_info::attributes_section,
7216         Target::Target_info::attributes_vendor): New fields.
7217         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7218         virtual method definitions.
7219         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7220         attributes_section and attributes_vendor.
7221         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7223 2009-12-05  Doug Kwan  <dougkwan@google.com>
7225         * arm.cc: Update comments about interworking and stub generation.
7226         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7227         considered as non-PIC.
7228         (Arm_relocate_functions::base_abs): Fix formatting.
7229         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7230         of function to use GOT entry address instead of offset.
7231         (Target_arm::Scan::global): Issue an error if a symbol would need a
7232         PLT does not get one because it is untyped.  Remove code to create
7233         dynamic symbols for relative branches.
7234         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7235         takes unsigned integer instead of boolean.
7237 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7239         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7240         (two_file_test_LDADD): Likewise.
7241         (common_test_1_LDADD): Likewise.
7242         (exception_test_LDADD) Likewise.
7243         (weak_test_LDADD): Likewise.
7244         (many_sections_test_LDADD): Likewise.
7245         (initpri1_LDADD): Likewise.
7246         (script_test_1_LDADD): Likewise.
7247         (script_test_2_LDADD): Likewise.
7248         (justsyms_LDADD): Likewise.
7249         (binary_test_LDADD): Likewise.
7250         (large_LDADD): Likewise.
7251         * testsuite/Makefile.in: Regenerated.
7253 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7255         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7256         (Symbol_table::override_with_special): Likewise.
7257         (Symbol_table::add_from_object): Likewise.
7259 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7261         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7262         Don't set the data_offset twice.
7264 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7266         * testsuite/Makefile.in: Regenerate.
7268 2009-12-03  Doug Kwan  <dougkwan@google.com>
7270         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7271         (Target_arm::do_finalize_sections): Add parameter for symbol table
7272         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7273         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7274         parameter for symbol table pointer.
7275         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7276         an additional parameter for a pointer to symbol table.
7277         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7278         parameter for a symbol table pointer.
7279         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7280         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7281         Ditto.
7282         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7283         parameter for a symbol table pointer.
7285 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7287         * incremental.cc (Incremental_inputs_header)
7288         (Incremental_inputs_header_write, Incremental_inputs_entry)
7289         (Incremental_inputs_entry_write): Move ...
7290         * incremental.h (Incremental_inputs_header)
7291         (Incremental_inputs_header_write, Incremental_inputs_entry)
7292         (Incremental_inputs_entry_write): here.
7294 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7296         * incremental.cc (make_sized_incremental_binary): Set the target.
7297         Error if it is incompatible.
7298         * output.h (Output_file): Add filename method.
7300 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7302         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7303         from the get_* methods.
7305 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7307         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7308         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7309         Write 0 for the data_offset of scripts.
7311 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7313         * testsuite/Makefile.am: Add the incremental_test.sh test.
7314         * testsuite/incremental_test.sh: New.
7315         * testsuite/incremental_test_1.c: New.
7316         * testsuite/incremental_test_2.c: New.
7318 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7320        * incremental-dump.cc (main): Fix typos.
7322 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7324         PR gold/11025
7325         * incremental-dump.cc (main): Use llu to print 64 bit values.
7327 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7328             H.J. Lu  <hongjiu.lu@intel.com>
7330         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7331         $(LIBDL).
7332         (incremental_dump_LDADD): Likewise.
7333         * Makefile.in: Regenerated.
7335 2009-11-25  Doug Kwan  <dougkwan@google.com>
7337         Revert:
7339         2009-11-25  Doug Kwan  <dougkwan@google.com>
7341                 * arm.cc (Target_arm::Target_arm): Move method definition
7342                 outside of class definition.  Add code to handle
7343                 --target1-rel, --target1-abs and --target2= options.
7344                 (Target_arm::get_reloc_reloc_type): Change method to be
7345                 non-static and const.
7346                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7347                 New data member declaration.
7348                 (Target_arm::Scan::local, Target_arm::Scan::global,
7349                 Target_arm::Relocate::relocate,
7350                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7351                 Adjust call to Target_arm::get_real_reloc_type.
7352                 (Target_arm::get_real_reloc_type): Use command line options
7353                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7354                 * options.h (--target1-rel, --target1-abs, --target2): New
7355                 ARM-only options.
7357 2009-11-25  Doug Kwan  <dougkwan@google.com>
7359         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7360         class definition.  Add code to handle --target1-rel, --target1-abs
7361         and --target2= options.
7362         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7363         and const.
7364         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7365         member declaration.
7366         (Target_arm::Scan::local, Target_arm::Scan::global,
7367         Target_arm::Relocate::relocate,
7368         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7369         call to Target_arm::get_real_reloc_type.
7370         (Target_arm::get_real_reloc_type): Use command line options to
7371         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7372         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7373         options.
7375 2009-11-25  Doug Kwan  <dougkwan@google.com>
7377         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7378         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7379         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7380         formatting.
7381         (Arm_relocate_functions::thm_call): Replace body with a call to
7382         Arm_relocate_functions::thumb_branch_common.
7383         (Arm_relocate_functions::thm_jump24,
7384         Arm_relocate_functions::thm_xpc22): New method definitions.
7385         (Arm_relocate_functions::thumb_branch_common): New method definition.
7386         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7387         operator.
7388         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7389         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7391 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7393         * Makefile.am: Build incremental-dump
7394         * Makefile.in: Regenerate.
7395         * incremental-dump.cc: New.
7396         * incremental.cc (Incremental_inputs_header_data,
7397         Incremental_inputs_entry_data): Move to incremental.h
7398         * incremental.h: (Incremental_inputs_header_data,
7399         Incremental_inputs_entry_data): Move from incremental.cc
7401 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7403         * incremental.cc (Incremental_inputs_header,
7404         Incremental_inputs_header_write, Incremental_inputs_entry,
7405         Incremental_inputs_entry_write): Add a typedef with the data type.
7407 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7409         * incremental.cc (Incremental_inputs_header,
7410         Incremental_inputs_header_write, Incremental_inputs_entry,
7411         Incremental_inputs_entry_write): Update comment about which
7412         type has the filed descriptions.
7414 2009-11-15  Doug Kwan  <dougkwan@google.com>
7416         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7417         (Arm_relocate_functions::arm_branch_common): Change method defintion
7418         in class definition to a method declaration and update list of formal
7419         parameters.
7420         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7421         Arm_relocation_functions::jump24): Adjust call to
7422         Arm_relocate_functions::arm_branch_common.  Update list of formal
7423         parameters.
7424         (Arm_relocate_functions::xpc25): New method definition.
7425         (Arm_relocate_functions::arm_branch_common): Move method defintion
7426         out from class definition.  Use stubs for mode-switching and extending
7427         branch ranges.
7428         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7429         specially.  Change code to enable use of stubs in ARM branches.
7431 2009-11-10  Doug Kwan  <dougkwan@google.com>
7433         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7434         in method declaration.
7435         (Target_arm::relocate_stub): New method declaration.
7436         (Target_arm::default_target): Change to return a pointer instead of
7437         a const reference.
7438         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7439         Target_arm::default_target.
7440         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7441         method definition.
7442         (Target_arm::relocate_section): Adjust view.
7443         (Target_arm::relocate_stub): New method definition.
7445 2009-11-10  Doug Kwan  <dougkwan@google.com>
7447         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7448         a format warning.
7449         * incremental.cc (open_incremental_binary): Initialized local
7450         variables to avoid warnings.
7451         * object.cc (make_elf_object): Ditto.
7452         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7453         a format warning.
7455 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7457         PR gold/10930
7458         * testsuite/plugin_test.c: Include "config.h".
7460 2009-11-09  Doug Kwan  <dougkwan@google.com>
7462         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7463         (arm_symbol_value): Remove.
7464         (Arm_relocate_functions::arm_branch_common,
7465         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7466         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7467         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7468         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7469         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7470         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7471         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7472         Arm_relocate_functions::thm_mobw_abs_nc,
7473         Arm_relocate_functions::thm_mov_abs,
7474         Arm_relocate_functions::movw_prel_nc,
7475         Arm_relocate_functions::thm_movt_abs,
7476         Arm_relocate_functions::movt_prel,
7477         Arm_relocate_functions::thm_movw_prel_nc,
7478         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7479         (Target_arm::Relocate::relocate): Only decompose address into two
7480         parts if relocation type uses the thumb-bit and pass the actual
7481         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7482         calls to methods in Arm_relocate_functions for this change.
7484 2009-11-08  Ian Lance Taylor  <iant@google.com>
7486         PR 10925
7487         * reloc.cc: Instantiate
7488         Sized_relobj::initialize_input_to_output_maps and
7489         Sized_relobj:free_input_to_output_maps.
7491 2009-11-06  Ian Lance Taylor  <iant@google.com>
7493         PR 10876
7494         * defstd.cc (in_segment): Set only_if_ref true for "end".
7496 2009-11-06  Doug Kwan  <dougkwan@google.com>
7498         * arm.cc (class Reloc_stub): Correct a comment.
7499         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7500         (Target_arm::scan_section_for_stubs): New method declaration.
7501         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7502         Change methods from private to protected.
7503         (Target_arm::do_may_relax): New method definition.
7504         (Target_arm::do_relax, Target_arm::group_sections,
7505         Target_arm::scan_reloc_for_stub,
7506         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7507         (Target_arm::arm_input_section_map_): New data member declaration.
7508         (Target_arm::scan_reloc_for_stub,
7509         Target_arm::scan_reloc_section_for_stubs,
7510         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7511         Target_arm::do_relax): New method definitions.
7513 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7515         * configure.ac: Check for (struct stat)::st_mtim
7516         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7517         * config.in: Regenerate.
7518         * configure: Regenerate.
7520 2009-11-05  Ian Lance Taylor  <iant@google.com>
7522         PR 10910
7523         * output.cc (Output_segment::add_output_section): Add missing
7524         return statement.
7526 2009-11-04  Ian Lance Taylor  <iant@google.com>
7528         PR 10880
7529         * object.h (class Object): Add is_needed and set_is_needed
7530         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7531         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7532         defined in a dynamic object and referenced by a regular object,
7533         set is_needed for the dynamic object.
7534         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7535         if the file is marked with as_needed and it is not needed.
7537 2009-11-04  Ian Lance Taylor  <iant@google.com>
7539         PR 10887
7540         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7541         tags if data is discarded by linker script.
7542         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7543         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7544         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7545         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7547 2009-11-04  Ian Lance Taylor  <iant@google.com>
7549         * layout.cc (Layout::get_output_section): Add is_interp and
7550         is_dynamic_linker_section parameters.  Change all callers.
7551         (Layout::choose_output_section): Likewise.
7552         (Layout::make_output_section): Likewise.
7553         (Layout::add_output_section_data): Add is_dynamic_linker_section
7554         parameter.  Change all callers.
7555         * layout.h (class Layout): Update declarations.
7556         * output.h (class Output_section): Add is_interp, set_is_interp,
7557         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7558         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7559         generate_code_fills_at_write_ to a bitfield.
7560         * output.cc (Output_section::Output_sections): Initialize new
7561         fields.
7562         (Output_segment::add_output_section): Add do_sort parameter.
7563         Change all callers.
7565 2009-11-03  Ian Lance Taylor  <iant@google.com>
7567         PR 10860
7568         * options.h (class General_options): Add --warn-common.
7569         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7570         merging two common symbols.
7571         (Symbol_table::should_override): Handle --warn-common when merging
7572         a common symbol with a defined symbol.  Use report_resolve_problem
7573         for multiple definitions.
7574         (Symbol_table::report_resolve_problem): New function.
7575         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7577 2009-11-03  Doug Kwan  <dougkwan@google.com>
7579         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7580         stub_factory_.
7581         (Target_arm::stub_factory): New method definition.
7582         (Target_arm::new_arm_input_section,
7583         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7584         Target_arm::reloc_uses_thumb_bit): New method declarations.
7585         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7586         New type definitions.
7587         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7588         member declarations.
7589         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7590         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7591         New method definitions.
7593 2009-11-03  Ian Lance Taylor  <iant@google.com>
7595         * options.h (class General_options): Add --warn_constructors.
7597 2009-11-03  Ian Lance Taylor  <iant@google.com>
7599         PR 10893
7600         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7601         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7603 2009-11-03  Ian Lance Taylor  <iant@google.com>
7605         PR 10895
7606         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7607         --msgid-bugs-address.
7608         (install-pdf): New target.
7609         (install-data_yes): Look up one directory to find mkinstalldirs.
7611 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7613         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7614         tree.
7616 2009-10-30  Doug Kwan  <dougkwan@google.com>
7618         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7620 2009-10-30  Doug Kwan  <dougkwan@google.com>
7622         * arm.cc (Stub_addend_reader): New struct template definition
7623         and partial specializations.
7624         (Stub_addend_reader::operator()): New method definition for a
7625         partially specialized template.
7627 2009-10-30  Doug Kwan  <dougkwan@google.com>
7629         * arm.cc (Arm_relobj::processor_specific_flags): New method
7630         definition.
7631         (Arm_relobj::do_read_symbols): New method declaration.
7632         (Arm_relobj::processor_specific_flags_): New data member declaration.
7633         (Arm_dynobj): New class definition.
7634         (Target_arm::do_finalize_sections): Add input_objects parameter.
7635         (Target_arm::do_adjust_elf_header): New method declaration.
7636         (Target_arm::are_eabi_versions_compatible,
7637         (Target_arm::merge_processor_specific_flags): New method declaration.
7638         (Target_arm::do_make_elf_object): New overloaded method definitions
7639         and declaration.
7640         (Arm_relobj::do_read_symbols): New method definition.
7641         (Arm_dynobj::do_read_symbols): Ditto.
7642         (Target_arm::do_finalize_sections): Add input_objects parameters.
7643         Merge processor-specific flags from all input objects.
7644         (Target_arm::are_eabi_versions_compatible,
7645         Target_arm::merge_processor_specific_flags,
7646         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7647         New method definitions.
7648         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7649         Input_objects pointer type parameter.
7650         * layout.cc (Layout::finalize): Pass input objects to target's.
7651         finalize_sections function.
7652         * output.cc (Output_file_header::do_sized_write): Set ELF file
7653         header's processor-specific flags.
7654         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7655         Input_objects pointer type parameter.
7656         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7657         * target.h (Input_objects): New forward class declaration.
7658         (Target::processor_specific_flags,
7659         Target::are_processor_specific_flags_sect): New method definitions.
7660         (Target::finalize_sections): Add input_objects parameter.
7661         (Target::Target): Initialize processor_specific_flags_ and
7662         are_processor_specific_flags_set_.
7663         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7664         parameter.
7665         (Target::set_processor_specific_flags): New method definition.
7666         (Target::processor_specific_flags_,
7667         Target::are_processor_specific_flags_set_): New data member
7668         declarations.
7669         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7670         Input_objects pointer type parameter.
7672 2009-10-30  Doug Kwan  <dougkwan@google.com>
7674         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7676 2009-10-28  Ian Lance Taylor  <iant@google.com>
7678         * object.h (class Relobj): Drop options parameter from
7679         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7680         do_scan_relocs, do_relocate.  Change all callers.
7681         (class Sized_relobj): Drop options parameters from
7682         do_gc_process_relocs, do_scan_relocs, do_relocate,
7683         do_relocate_sections, relocate_sections, emit_relocs_scan,
7684         emit_relocs_scan_reltype.  Change all callers.
7685         (struct Relocate_info): Remove options field and all references to
7686         it.
7687         * reloc.h (class Read_relocs): Remove options constructor
7688         parameter and options_ field.  Change all callers.
7689         (class Gc_process_relocs, class Scan_relocs): Likewise.
7690         (class Relocate_task): Likewise.
7691         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7692         all callers.
7693         (scan_relocatable_relocs): Likewise.
7694         * target.h (class Sized_target): Remove options parameter from
7695         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7696         all callers.
7697         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7698         callers.
7699         * arm.cc: Update functions to remove options parameters.
7700         * i386.cc: Likewise.
7701         * powerpc.cc: Likewise.
7702         * sparc.cc: Likewise.
7703         * x86_64.cc: Likewise.
7704         * testsuite/testfile.cc: Likewise.
7706 2009-10-28  Doug Kwan  <dougkwan@google.com>
7708         * arm.cc (Arm_relobj): New class definition.
7709         (Arm_relobj::scan_sections_for_stubs,
7710         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7711         New method definitions.
7713 2009-10-28  Cary Coutant  <ccoutant@google.com>
7715         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7716         (Plugin::cleanup_done_): New member.
7717         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7718         (Plugin_manager::cleanup_done_): Remove.
7719         (Plugin_manager::add_input_file): Edit error message.
7720         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7721         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7723 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7725         * fileread.cc: (File_read::View::~View): Use the new
7726         data_ownership_ filed.
7727         (File_read::~File_read): Dispose the new whole_file_view_.
7728         (File_read::open): Mmap the whole file if needed.
7729         (File_read::open): Use whole_file_view_ instead of contents_.
7730         (File_read::find_view): Use whole_file_view_ if applicable.
7731         (File_read::do_read): Use whole_file_view_ instead of contents_.
7732         (File_read::make_view): Use whole_file_view_ instead of contents_,
7733         update File_read::View::View call.
7734         (File_read::find_or_make_view): Update File_read::View::View
7735         call.
7736         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7737         remove contents_
7738         (File_read::View::Data_ownership): New enum.
7739         (File_read::View::View): Replace bool mapped_ with Data_ownership
7740         argument.
7741         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7742         (File_read::View::data_ownership_): New field.
7743         (File_read::contents_): Remove (replaced by whole_file_view_).
7744         (File_read::whole_file_view_): New field.
7745         * options.h (class General_options): Add --keep-files-mapped.
7747 2009-10-27  Cary Coutant  <ccoutant@google.com>
7749         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7750         * testsuite/Makefile.am (plugin_test_5): New test case.
7751         * testsuite/Makefile.in: Regenerate.
7753 2009-10-25  Doug Kwan  <dougkwan@google.com>
7755         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7756         from private to protected to allow access by child class.
7757         (Sized_relobj::do_relocate_sections): New method declaration.
7758         (Sized_relobj::relocate_sections): Virtualize.
7759         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7760         Sized_relobj::relocate_sections.  Instantiate template explicitly
7761         for different target sizes and endianity.
7763 2009-10-24  Doug Kwan  <dougkwan@google.com>
7765         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7766         (Arm_input_section::as_arm_input_section): New method.
7767         (Arm_output_section): New class definition.
7768         (Arm_output_section::create_stub_group,
7769         Arm_output_section::group_sections): New method definitions.
7771 2009-10-22  Doug Kwan  <dougkwan@google.com>
7773         * arm.cc (Arm_input_section): New class definition.
7774         (Arm_input_section::init, Arm_input_section:do_write,
7775         Arm_input_section::set_final_data_size,
7776         Arm_input_section::do_reset_address_and_file_offset): New method
7777         definitions.
7779 2009-10-21  Doug Kwan  <dougkwan@google.com>
7781         * arm.cc (Stub_table, Arm_input_section): New forward class
7782         declarations.
7783         (Stub_table): New class defintion.
7784         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7785         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7786         New method definition.
7788 2009-10-21  Doug Kwan  <dougkwan@google.com>
7790         * arm.cc: Update copyright comments.
7791         (Target_arm): New forward class template declaration.
7792         (Arm_address): New type.
7793         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7794         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7795         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7796         constants.
7797         (Insn_template): Same.
7798         (DEF_STUBS): New macro.
7799         (Stub_type): New enum type.
7800         (Stub_template): New class definition.
7801         (Stub): Same.
7802         (Reloc_stub): Same.
7803         (Stub_factory): Same.
7804         (Target_arm::Target_arm): Initialize may_use_blx_ and
7805         should_force_pic_veneer_.
7806         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7807         Target_arm::should_force_pic_veneer,
7808         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7809         Target_arm::using_thumb_only, Target_arm:;default_target): New
7810         method defintions.
7811         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7812         New data member declarations.
7813         (Insn_template::size, Insn_template::alignment): New method defintions.
7814         (Stub_template::Stub_template): New method definition.
7815         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7816         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7817         (Stub_factory::Stub_factory): New method definition.
7818         * gold.h (string_hash): New template.
7819         * output.h (Input_section_specifier::hash_value): Use
7820         gold::string_hash.
7821         (Input_section_specifier::string_hash): Remove.
7822         * stringpool.cc (Stringpool_template::string_hash): Use
7823         gold::string_hash.
7825 2009-10-20  Doug Kwan  <dougkwan@google.com>
7827         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7828         symbols of relaxed input sections.
7829         * output.h (Output_section::find_relaxed_input_section): Make
7830         method public.
7832 2009-10-16  Doug Kwan  <dougkwan@google.com>
7834         * dynobj.cc (Versions::Versions): Initialize version_script_.
7835         Only insert base version symbol definition for a shared object
7836         if version script defines any version versions.
7837         (Versions::define_base_version): New method definition.
7838         (Versions::add_def): Check that base version is not needed.
7839         (Versions::add_need): Define base version lazily.
7840         * dynobj.h (Versions::define_base_version): New method declaration.
7841         (Versions::needs_base_version_): New data member declaration.
7842         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7843         (check_DATA): Add no_version_test.stdout.
7844         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7845         New make rules.
7846         * testsuite/Makefile.in: Regenerate.
7847         * testsuite/no_version_test.c: New file.
7848         * testsuite/no_version_test.sh: Ditto.
7850 2009-10-16  Doug Kwan  <dougkwan@google.com>
7852         * expression.cc (class Segment_start_expression): New class definition.
7853         (Segment_start_expression::value): New method definition.
7854         (script_exp_function_segment_start): Return a new
7855         Segment_start_expression.
7856         * gold/script-c.h (script_saw_segment_start_expression): New function
7857         prototype.
7858         * script-sections.cc (Script_sections::Script_sections): Initialize
7859         SAW_SEGMENT_START_EXPRESSION_ to false.
7860         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7861         and -Tbbs options to specify section addresses if given in
7862         command line and no SEGMENT_START expression is seen in a script.
7863         * script-sections.h (Script_sections::saw_segment_start_expression,
7864         Script_sections::set_saw_segment_start_expression): New method
7865         definition.
7866         (Script_sections::saw_segment_start_expression_): New data member
7867         declaration.
7868         * script.cc (script_saw_segment_start_expression): New function.
7869         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7870         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7871         script_test_7.sh and script_test_8.sh.
7872         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7873         script_test_8.stdout.
7874         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7875         (script_test_6, script_test_6.stdout, script_test_7,
7876         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7877         * Makefile.in: Regenerate.
7878         * testsuite/script_test_6.sh: New file.
7879         * testsuite/script_test_6.t: Same.
7880         * testsuite/script_test_7.sh: Same.
7881         * testsuite/script_test_7.t: Same.
7882         * testsuite/script_test_8.sh: Same.
7884 2009-10-16  Doug Kwan  <dougkwan@google.com>
7886         * output.cc (Output_segment::set_section_list_address): Cast
7887         expressions to unsigned long long type to avoid format warnings.
7889 2009-10-15  Ian Lance Taylor  <iant@google.com>
7891         * script.cc (Script_options::add_symbol_assignment): Always add a
7892         dot assignment to script_sections_.
7893         * script-sections.cc (Script_sections::add_dot_assignment):
7894         Initialize if necessary.
7896         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7897         program headers with no load segment if there is a linker script.
7899         * layout.cc (Layout::set_segment_offsets): Align the file offset
7900         to the segment aligment for -N or -n with no load segment.
7901         * output.cc (Output_segment::add_output_section): Don't crash if
7902         the first section is a TLS section.
7903         (Output_segment::set_section_list_addresses): Print an error
7904         message if the address moves backward in a linker script.
7905         * script-sections.cc
7906         (Output_section_element_input::set_section_addresses): Don't
7907         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7908         (Orphan_output_section::set_section_addresses): Likewise.
7910 2009-10-15  Doug Kwan  <dougkwan@google.com>
7912         * layout.cc (Layout::finish_dynamic_section): Generate tags
7913         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7914         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7915         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7917 2009-10-14  Ian Lance Taylor  <iant@google.com>
7919         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7920         fields.
7921         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7922         data_shdr fields of relinfo.
7923         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7924         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7925         R_386_TLS_LDO_32, adjust based on section flags.
7926         (Target_i386::Relocate::fix_up_ldo): Remove.
7928 2009-10-13  Ian Lance Taylor  <iant@google.com>
7930         Add support for -pie.
7931         * options.h (class General_options): Add -pie and
7932         --pic-executable.
7933         (General_options::output_is_position_independent): Test -pie.
7934         (General_options::output_is_executable): Return true if not shared
7935         and not relocatable.
7936         (General_options::output_is_pie): Remove.
7937         * options.cc (General_options::finalize): Reject incompatible uses
7938         of -pie.
7939         * gold.cc (queue_middle_tasks): A -pie link is not static.
7940         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7941         * symtab.cc (Symbol::final_value_is_known): Return false if
7942         output_is_position_independent.
7943         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7944         output_is_position_independent.
7945         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7946         output_is_position_independent.
7947         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7948         output_is_position_independent.
7949         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7950         two_file_pie_test.
7951         (basic_pie_test.o, basic_pie_test): New targets.
7952         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7953         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7954         (two_file_pie_test): New target.
7955         * testsuite/Makefile.in: Rebuild.
7956         * README: Remove note saying that -pie is not supported.
7958 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7960         * options.h (class General_options): Add -init and -fini.
7961         * layout.cc (Layout::finish_dynamic_section): Emit
7962         given init and fini functions.
7964 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7966         * gc.h (gc_process_relocs): Check if icf is enabled using new
7967         function.
7968         * gold.cc (queue_initial_tasks): Likewise.
7969         (queue_middle_tasks): Likewise.
7970         * object.cc (do_layout): Likewise.
7971         * symtab.cc (is_section_folded): Likewise.
7972         * main.cc (main): Likewise.
7973         * reloc.cc (Read_relocs::run): Likewise.
7974         (Sized_relobj::do_scan_relocs): Likewise.
7975         * icf.cc (is_function_ctor_or_dtor): New function.
7976         (Icf::find_identical_sections): Check if function is ctor or dtor when
7977         safe icf is chosen.
7978         * options.h (General_options::icf): Change option to be an enum.
7979         (Icf_status): New enum.
7980         (icf_enabled): New method.
7981         (icf_safe_folding): New method.
7982         (set_icf_status): New method.
7983         (icf_status_): New variable.
7984         * (options.cc) (General_options::finalize): Set icf_status_.
7985         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7986         icf_test and icf_keep_unique_test to use the --icf enum flag.
7987         * testsuite/icf_safe_test.sh: New file.
7988         * testsuite/icf_safe_test.cc: New file.
7990 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7992         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7993         includes to gc.h and icf.h.
7994         * arm.cc: Include gc.h.
7995         * gold.cc: Likewise.
7996         * i386.cc: Likewise.
7997         * powerpc.cc: Likewise.
7998         * sparc.cc: Likewise.
7999         * x86_64.cc: Likewise.
8000         * gc.h: Include icf.h.
8002 2009-10-11  Ian Lance Taylor  <iant@google.com>
8004         * plugin.cc: Include "gold.h" before other header files.
8006 2009-10-10  Chris Demetriou  <cgd@google.com>
8008         * options.h (Input_file_argument::Input_file_type): New enum.
8009         (Input_file_argument::is_lib_): Replace with...
8010         (Input_file_argument::type_): New member.
8011         (Input_file_argument::Input_file_argument): Take Input_file_type
8012         'type' rather than boolean 'is_lib' as second argument.
8013         (Input_file_argument::is_lib): Use type_.
8014         (Input_file_argument::is_searched_file): New function.
8015         (Input_file_argument::may_need_search): Handle is_searched_file.
8016         * options.cc (General_options::parse_library): Support -l:filename.
8017         (General_options::parse_just_symbols): Update for Input_file_argument
8018         changes.
8019         (Command_line::process): Likewise.
8020         * archive.cc (Archive::get_file_and_offset): Likewise.
8021         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8022         * script.cc (read_script_file, script_add_file): Likewise.
8023         * fileread.cc (Input_file::Input_file): Likewise.
8024         (Input_file::will_search_for): Handle is_searched_file.
8025         (Input_file::open): Likewise.
8026         * readsyms.cc (Read_symbols::get_name): Likewise.
8027         * testsuite/Makefile.am (searched_file_test): New test.
8028         * testsuite/Makefile.in: Regenerate.
8029         * testsuite/searched_file_test.cc: New file.
8030         * testsuite/searched_file_test_lib.cc: New file.
8032 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8033             Ian Lance Taylor  <iant@google.com>
8035         * descriptor.cc: Include <cstdio> and "binary-io.h".
8036         (Descriptors::open): Open the files in binary mode always.
8037         * script.cc (Lex::get_token): Treat \r as whitespace.
8039 2009-10-09  Ian Lance Taylor  <iant@google.com>
8041         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8043 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8044             Ian Lance Taylor  <iant@google.com>
8046         * configure.ac: Check for readv function also.
8047         * fileread.cc (readv): Define if not HAVE_READV.
8048         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8049         does not exist.
8050         * config.in: Regenerate.
8051         * configure: Regenerate.
8053 2009-10-09  Doug Kwan  <dougkwan@google.com>
8055         * layout.cc (Layout::make_output_section): Call target hook to make
8056         ordinary output section.
8057         (Layout::finalize): Adjust parameter list of call the
8058         Target::may_relax().
8059         * layout.h (class Layout::section_list): New method.
8060         * merge.h (Output_merge_base::entsize): Change visibility to public.
8061         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8062         New methods.
8063         (Output_merge_string::do_is_string): New method.
8064         * object.cc (Sized_relobj::do_setup): renamed from
8065         Sized_relobj::set_up.
8066         * object.h (Sized_relobj::adjust_shndx,
8067         Sized_relobj::initializ_input_to_output_maps,
8068         Sized_relobj::free_input_to_output_maps): Change visibilities to
8069         protected.
8070         (Sized_relobj::setup): Virtualize.
8071         (Sized_relobj::do_setup): New method declaration.
8072         (Sized_relobj::invalidate_section_offset,
8073         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8074         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8075         * options.cc (parse_int): New function.
8076         * options.h (parse_int): New declaration.
8077         (DEFINE_int): New macro.
8078         (stub_group_size): New option.
8079         * output.cc (Output_section::Output_section): Initialize memebers
8080         merge_section_map_, merge_section_by_properties_map_,
8081         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8082         (Output_section::add_input_section): Handled deferred code-fill
8083         generation and remove an old comment.
8084         (Output_section::add_relaxed_input_section): New method definition.
8085         (Output_section::add_merge_input_section): Use merge section by
8086         properties map to speed to search.  Update merge section maps
8087         as appropriate.
8088         (Output_section::build_relaxation_map): New method definition.
8089         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8090         Same.
8091         (Output_section::relax_input_section): Renamed to
8092         Output_section::convert_input_sections_to_relaxed_sections and change
8093         interface to take a vector of pointers to relaxed sections.
8094         (Output_section::find_merge_section,
8095         Output_section::find_relaxed_input_section): New method definitions.
8096         (Output_section::is_input_address_mapped,
8097         Output_section::output_offset, Output_section::output_address):
8098         Use output section data maps to speed up searching.
8099         (Output_section::find_starting_output_address): Add comments.
8100         (Output_section::do_write,
8101         Output_section::write_to_postprocessing_buffer): Do code-fill
8102         generation as appropriate.
8103         (Output_section::get_input_sections): Invalidate relaxed input section
8104         map.
8105         (Output_section::restore_states): Adjust type of checkpoint .
8106         Invalidate relaxed input section map.
8107         * output.h (Output_merge_base): New class declaration.
8108         (Input_section_specifier): New class defintion.
8109         (class Output_relaxed_input_section) Change base class to
8110         Output_section_data_build.
8111         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8112         base class initializer.
8113         (Output_section::add_relaxed_input_section): New method declaration.
8114         (Output_section::Input_section): Change visibility to protected.
8115         (Output_section::Input_section::relobj,
8116         Output_section::Input_section::shndx): Handle relaxed input sections.
8117         Output_section::input_sections) Change visibility to protected.  Also
8118         define overload to return a non-const pointer.
8119         (Output_section::Merge_section_properties): New class defintion.
8120         (Output_section::Merge_section_by_properties_map,
8121         Output_section::Output_section_data_by_input_section_map,
8122         Output_section::Relaxation_map): New types.
8123         (Output_section::relax_input_section): Rename method to
8124         Output_section::convert_input_sections_to_relaxed_sections and change
8125         interface to take a vector of relaxed section pointers.
8126         (Output_section::find_merge_section,
8127         Output_section::find_relaxed_input_section,
8128         Output_section::build_relaxation_map,
8129         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8130         New method declarations.
8131         (Output_section::merge_section_map_
8132         Output_section::merge_section_by_properties_map_,
8133         Output_section::relaxed_input_section_map_,
8134         Output_section::is_relaxed_input_section_map_valid_,
8135         Output_section::generate_code_fills_at_write_): New data members.
8136         * script-sections.cc
8137         (Output_section_element_input::set_section_addresses): Call
8138         current_data_size and addralign methods of relaxed input sections.
8139         (Orphan_output_section::set_section_addresses): Call current_data_size
8140         and addralign methods of relaxed input sections.
8141         * symtab.cc (Symbol_table::compute_final_value): Extract template
8142         from the body of Symbol_table::sized_finalize_symbol.
8143         (Symbol_table::sized_finalized_symbol): Call
8144         Symbol_table::compute_final_value.
8145         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8146         (Symbol_table::compute_final_value): New templated method declaration.
8147         * target.cc (Target::do_make_output_section): New method defintion.
8148         * target.h (Target::make_output_section): New method declaration.
8149         (Target::relax): Add more parameters for input objects, symbol table
8150         and layout.  Adjust call to do_relax.
8151         (Target::do_make_output_section): New method declaration.
8152         (Target::do_relax): Add parameters for input objects, symbol table
8153         and layout.
8155 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8157         * pread.c: Include stdio.h.
8159 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8161         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8162         defined.
8164 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8166         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8167         Change read_shndx type to unsigned int.
8168         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8169         int.
8170         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8171         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8172         Change read_shndx type to unsigned int.
8173         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8174         int.
8175         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8176         * layout.cc (Layout::create_symtab_sections): Cast the result of
8177         local_symcount * symsize to off_t in the gold_assert.
8179 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8181         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8182         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8183         R_ARM_BASE_ABS.
8184         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8185         (Arm_relocate_functions::thm_abs5): New function.
8186         (Arm_relocate_functions::abs12): New function.
8187         (Arm_relocate_functions::abs16): New function.
8188         (Arm_relocate_functions::base_abs): New function.
8189         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8190         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8191         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8192         R_ARM_BASE_ABS.
8193         (Scan::global): Likewise.
8194         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8195         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8196         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8197         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8198         R_ARM_BASE_ABS.
8200 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8202         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8203         (Arm_relocate_functions::movt_prel): New function.
8204         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8205         (Arm_relocate_functions::thm_movt_prel): New function.
8206         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8207         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8208         (Scan::global, Relocate::relocate): Likewise.
8209         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8211 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8213         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8214         Incremental_checker.
8215         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8216         unsigned int.
8217         (class Incremental_inputs_header): New class.
8218         (Incremental_inputs_header_writer): Edit comment.
8219         (Incremental_inputs_entry): New class.
8220         (Incremental_inputs_entry_writer): Edit comment.
8221         (Sized_incremental_binary::do_find_incremental_inputs_section):
8222         Add *strtab_shndx parameter, fill it.
8223         (Sized_incremental_binary::do_check_inputs): New method.
8224         (Incremental_checker::can_incrementally_link_output_file): Use
8225         Sized_incremental_binary::check_inputs.
8226         (Incremental_inputs::report_command_line): Save command line in
8227         command_line_.
8228         * incremental.h:
8229         (Incremental_binary::find_incremental_inputs_section): New
8230         method.
8231         (Incremental_binary::do_find_incremental_inputs_section): Add
8232         strtab_shndx parameter.
8233         (Incremental_binary::do_check_inputs): New pure virtual method.
8234         (Sized_incremental_binary::do_check_inputs): Declare.
8235         (Incremental_checker::Incremental_checker): Add incremental_inputs
8236         parameter, use it to initialize incremental_inputs_.
8237         (Incremental_checker::incremental_inputs_): New field.
8238         (Incremental_checker::command_line): New method.
8239         (Incremental_checker::inputs): New method.
8240         (Incremental_checker::command_line_): New field.
8242 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8244         * incremental.cc: Include <cstdarg> and "target-select.h".
8245         (vexplain_no_incremental): New function.
8246         (explain_no_incremental): New function.
8247         (Incremental_binary::error): New method.
8248         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8249         method.
8250         (make_sized_incremental_binary): New function.
8251         (open_incremental_binary): New function.
8252         (can_incrementally_link_file): Add checks if output is ELF and has
8253         inputs section.
8254         * incremental.h: Include "elfcpp_file.h" and "output.h".
8255         (Incremental_binary): New class.
8256         (Sized_incremental_binary): New class.
8257         (open_incremental_binary): Declare.
8258         * object.cc (is_elf_object): Use
8259         elfcpp::Elf_recognizer::is_elf_file.
8260         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8261         * output.h (Output_file::filesize): New method.
8263 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8265         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8266         New function.
8267         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8268         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8269         function.
8270         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8271         function.
8272         (Arm_relocate_functions::movw_abs_nc): New function.
8273         (Arm_relocate_functions::movt_abs): New function.
8274         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8275         (Arm_relocate_functions::thm_movt_abs): New function.
8276         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8277         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8278         (Scan::global): Likewise.
8279         (Relocate::relocate): Likewise.
8280         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8282 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8284         * arm.cc (Arm_relocate_functions::got_prel) New function.
8285         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8286         (Relocate::relocate): Likewise.
8287         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8289 2009-10-06  Ian Lance Taylor  <iant@google.com>
8291         * options.h (class General_options): Define
8292         split_stack_adjust_size parameter.
8293         * object.h (class Object): Add uses_split_stack_ and
8294         has_no_split_stack_ fields.  Add uses_split_stack and
8295         has_no_split_stack accessor functions.  Declare
8296         handle_split_stack_section.
8297         (class Reloc_symbol_changes): Define.
8298         (class Sized_relobj): Define Function_offsets.  Declare
8299         split_stack_adjust, split_stack_adjust_reltype, and
8300         find_functions.
8301         * object.cc (Object::handle_split_stack_section): New function.
8302         (Sized_relobj::do_layout): Call handle_split_stack_section.
8303         * dynobj.cc (Sized_dynobj::do_layout): Call
8304         handle_split_stack_section.
8305         * reloc.cc (Sized_relobj::relocate_sections): Call
8306         split_stack_adjust for executable sections in split_stack
8307         objects.  Pass reloc_map to relocate_section.
8308         (Sized_relobj::split_stack_adjust): New function.
8309         (Sized_relobj::split_stack_adjust_reltype): New function.
8310         (Sized_relobj::find_functions): New function.
8311         * target-reloc.h: Include "object.h".
8312         (relocate_section): Add reloc_symbol_changes parameter.  Change
8313         all callers.
8314         * target.h (class Target): Add calls_non_split method.  Declare
8315         do_calls_non_split virtual method.  Declare match_view and
8316         set_view_to_nop.
8317         * target.cc: Include "elfcpp.h".
8318         (Target::do_calls_non_split): New function.
8319         (Target::match_view): New function.
8320         (Target::set_view_to_nop): New function.
8321         * gold.cc (queue_middle_tasks): Give an error if mixing
8322         split-stack and non-split-stack objects with -r.
8323         * i386.cc (Target_i386::relocate_section): Add
8324         reloc_symbol_changes parameter.
8325         (Target_i386::do_calls_non_split): New function.
8326         * x86_64.cc (Target_x86_64::relocate_section): Add
8327         reloc_symbol_changes parameter.
8328         (Target_x86_64::do_calls_non_split): New function.
8329         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8330         parameter.
8331         * powerpc.cc (Target_powerpc::relocate_section): Add
8332         reloc_symbol_changes parameter.
8333         * sparc.cc (Target_sparc::relocate_section): Add
8334         reloc_symbol_changes parameter.
8335         * configure.ac: Call AM_CONDITIONAL for the default target.
8336         * configure: Rebuild.
8337         * testsuite/Makefile.am (TEST_AS): New variable.
8338         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8339         (check_DATA): Add split_i386 and split_x86_64 files.
8340         (SPLIT_DEFSYMS): Define.
8341         (split_i386_[1234n].o): New targets.
8342         (split_i386_[124]): New targets.
8343         (split_i386_[1234r].stdout): New targets.
8344         (split_x86_64_[1234n].o): New targets.
8345         (split_x86_64_[124]): New targets.
8346         (split_x86_64_[1234r].stdout): New targets.
8347         (MOSTLYCLEANFILES): Add new executables.
8348         * testsuite/split_i386.sh: New file.
8349         * testsuite/split_x86_64.sh: New file.
8350         * testsuite/split_i386_1.s: New file.
8351         * testsuite/split_i386_2.s: New file.
8352         * testsuite/split_i386_3.s: New file.
8353         * testsuite/split_i386_4.s: New file.
8354         * testsuite/split_i386_n.s: New file.
8355         * testsuite/split_x86_64_1.s: New file.
8356         * testsuite/split_x86_64_2.s: New file.
8357         * testsuite/split_x86_64_3.s: New file.
8358         * testsuite/split_x86_64_4.s: New file.
8359         * testsuite/split_x86_64_n.s: New file.
8360         * testsuite/testfile.cc (Target_test): Update relocation_section
8361         function.
8362         * testsuite/Makefile.in: Rebuild.
8364 2009-10-06  Ian Lance Taylor  <iant@google.com>
8366         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8367         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8368         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8369         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8370         the address on ldo_addrs_.
8371         (Target_i386::Relocate::fix_up_ldo): New function.
8373 2009-10-06   Rafael Espindola  <espindola@google.com>
8375         * plugin.cc (add_input_library): New.
8376         (Plugin::load): Add add_input_library to tv.
8377         (Plugin_manager::add_input_file): Add the is_lib argument.
8378         (add_input_file): Update call to Plugin_manager::add_input_file.
8379         (add_input_library): New.
8380         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8382 2009-09-30  Doug Kwan  <dougkwan@google.com>
8384         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8385         symbol and call Symbol::may_need_copy_reloc to determine if
8386         a copy reloc is needed.
8387         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8388         nocopyreloc is given in command line.
8389         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8390         given in command line.
8391         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8392         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8393         of the removed Target_i386::may_need_copy_reloc.
8394         * options.h (copyreloc): New option with default value false.
8395         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8396         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8397         instead of the removed Target_powerpc::may_need_copy_reloc.
8398         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8399         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8400         instead of the removed Target_sparc::may_need_copy_reloc.
8401         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8402         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8403         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8404         instead of the removed Target_x86_64::may_need_copy_reloc.
8406 2009-09-30  Ian Lance Taylor  <iant@google.com>
8408         * object.h (class Object): Remove target_ field, and target,
8409         sized_target, and set_target methods.
8410         (Object::sized_target): Remove.
8411         (class Sized_relobj): Update declarations.  Remove sized_target.
8412         * object.cc (Sized_relobj::setup): Remove target parameter.
8413         Change all callers.
8414         (Input_objects::add_object): Don't do anything with the target.
8415         (make_elf_sized_object): Add punconfigured parameter.  Change all
8416         callers.  Set or test parameter target.
8417         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8418         Change all callers.
8419         * parameters.cc (Parameters::set_target): Change parameter type to
8420         be non-const.
8421         (Parameters::default_target): Remove.
8422         (set_parameters_target): Change parameter type to be non-const.
8423         (parameters_force_valid_target): New function.
8424         (parameters_clear_target): New function.
8425         * parameters.h (class Parameters): Update declarations.  Remove
8426         default_target method.  Add sized_target and clear_target
8427         methods.  Change target_ to be non-const.
8428         (set_parameters_target): Update declaration.
8429         (parameters_force_valid_target): Declare.
8430         (parameters_clear_target): Declare.
8431         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8432         as NULL if we aren't searching.
8433         (Add_symbols::run): Don't check for compatible target.
8434         * fileread.cc (Input_file::open_binary): Call
8435         parameters_force_valid_target.
8436         * gold.cc (queue_middle_tasks): Likewise.
8437         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8438         set_target on object.
8439         * dynobj.h (class Sized_dynobj): Update declarations.
8440         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8441         make_elf_object returns NULL.
8442         (Archive::include_member): Don't check whether object target is
8443         compatible.
8444         * output.cc (Output_section::add_input_section): Get target from
8445         parameters.
8446         (Output_section::relax_input_section): Likewise.
8447         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8448         parameters.
8449         (Sized_relobj::do_scan_relocs): Likewise.
8450         (Sized_relobj::relocate_sections): Likewise.
8451         * resolve.cc (Symbol_table::resolve): Likewise.
8452         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8453         parameter.  Change all callers.
8454         (Symbol_table::add_from_object): Get target from parameters.
8455         (Symbol_table::add_from_relobj): Don't check object target.
8456         (Symbol_table::add_from_dynobj): Likewise.
8457         (Symbol_table::define_special_symbol): Get target from
8458         parameters.
8459         * symtab.h (class Symbol_table): Update declaration.
8460         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8461         parameter.  Change all callers.  Clear parameter target.
8462         (Binary_test): Test target here.
8463         * testsuite/object_unittest.cc (gold_testsuite): Remove
8464         target_test_pointer parameter.  Change all callers.
8465         (Object_test): Test target here.
8467 2009-09-26  Ian Lance Taylor  <iant@google.com>
8469         * testsuite/initpri1.c: Don't try to use constructor priorities if
8470         compiling with gcc before 4.3.
8472 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8474         * testsuite/retain_symbols_file_test.sh (check_present): Change
8475         output file name to retain_symbols_file_test.stdout.
8476         (check_absent): Likewise.
8478 2009-09-18  Craig Silverstein  <csilvers@google.com>
8480         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8481         * options.cc: Include <cerrno> and <fstream>.
8482         (General_options::finalize): Parse -retain-symbols-file tag.
8483         * options.h: New flag.
8484         (General_options): New method should_retain_symbol, new
8485         variable symbols_to_retain.
8486         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8487         should_retain_symbol map.
8488         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8489         * testsuite/Makefile.in: Regenerate.
8490         * testsuite/retain_symbols_file_test.sh: New file.
8492 2009-09-18  Nick Clifton  <nickc@redhat.com>
8494         * po/es.po: Updated Spanish translation.
8496 2009-09-17  Doug Kwan  <dougkwan@google.com>
8498         * debug.h (DEBUG_RELAXATION): New constant.
8499         (DEBUG_ALL): Add DEBUG_RELAXATION.
8500         (debug_string_to_enum): Add relaxation debug option.
8501         * layout.cc
8502         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8503         Layout::Relaxation_debug_check::read_sections,
8504         Layout::Relaxation_debug_check::read_sections): New method definitions.
8505         (Layout::Layout): Initialize data members
8506         record_output_section_data_from_scrips_,
8507         script_output_section_data_list_ and relaxation_debug_check_.
8508         (Layout::save_segments, Layout::restore_segments,
8509         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8510         Layout::relaxation_loop_body): New method definitions.
8511         (Layout::finalize): Support relaxation.  Move section layout code to
8512         Layout::relaxation_loop_body.
8513         (Layout::set_asection_address_from_script): Move code for orphan
8514         section placement out.
8515         (Layout::place_orphan_sections_in_script): New method definition.
8516         * layout.h (Output_segment_headers, Output_file_header):
8517         New forward class declarations.
8518         (Layout::~Layout): Define.
8519         (Layout::new_output_section_data_from_script): New method definition.
8520         (Layout::place_orphan_sections_in_script): New method declaration.
8521         (Layout::Segment_states): New type declaration.
8522         (Layout::save_segments, Layout::restore_segments,
8523         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8524         Layout::relaxation_loop_body): New method declarations.
8525         (Layout::Output_section_data_list): New type declaration.
8526         (Layout::Relaxation_debug_check): New class definition.
8527         (Layout::record_output_section_data_from_script_,
8528         Layout::script_output_section_data_list_, Layout::segment_states_,
8529         Layout::relaxation_debug_check_): New data members.
8530         * output.cc: (Output_section_headers::do_size): New method definition.
8531         (Output_section_headers::Output_section_headers): Move size
8532         computation to Output_section_headers::do_size.
8533         (Output_segment_headers::do_size): New method definition.
8534         (Output_file_header::Output_file_header): Move size computation to
8535         Output_file_header::do_size and call it.
8536         (Output_file_header::do_size): New method definition.
8537         (Output_data_group::Output_data_group): Adjust call to
8538         Output_section_data.
8539         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8540         (Output_symtab_xindex::do_write): Add array bound check.
8541         (Output_section::Input_section::print_to_mapfile): Handle
8542         RELAXED_INPUT_SECTION_CODE.
8543         (Output_section::Output_section): Initialize data member checkpoint_.
8544         (Output_section::~Output_section): Delete checkpoint object pointed
8545         by checkpoint_.
8546         (Output_section::add_input_section): Always add an Input_section if
8547         relaxing.
8548         (Output_section::add_merge_input_section): Add assert.
8549         (Output_section::relax_input_section): New method definition.
8550         (Output_section::set_final_data_size): Set load address to zero for
8551         an unallocated section.
8552         (Output_section::do_address_and_file_offset_have_reset_values):
8553         New method definition.
8554         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8555         Handle relaxed input section.
8556         (Output_section::sort_attached_input_sections): Checkpoint input
8557         section list lazily.
8558         (Output_section::get_input_sections): Change type of input_sections to
8559         list of Simple_input_section pointers.  Checkpoint input section list
8560         lazily.  Also handle relaxed input sections.
8561         (Output_section::add_input_section_for_script): Take a reference to
8562         a Simple_input_section object instead of Relobj pointer and section
8563         index as parameter.  Handle relaxed input sections.
8564         (Output_section::save_states, Output_section::restore_states): New
8565         method definitions.
8566         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8567         (Output_data::is_data_size_fixed): New method definition.
8568         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8569         if it is fixed.
8570         (Output_data::address_and_file_offset_have_reset_values): New method
8571         definition.
8572         (Output_data::do_address_and_file_offset_have_reset_values): New method
8573         definition.
8574         (Output_data::set_data_size): Check that data size is not fixed.
8575         (Output_data::fix_data_size): New method definition.
8576         (Output_data::is_data_size_fixed_): New data member.
8577         (Output_section_headers::set_final_data_size): New method definition.
8578         (Output_section_headers::do_size): New method declaration.
8579         (Output_segment_headers::set_final_data_size): New method definition.
8580         (Output_segment_headers::do_size): New method declaration.
8581         (Output_file_header::set_final_data_size)::New method definition.
8582         (Output_file_header::do_size)::New method declaration.
8583         (Output_section_data::Output_section_data): Add new parameter
8584         is_data_size_fixed and use it to fix data size.
8585         (Output_data_const::Output_data_const): Adjust call to base class
8586         constructor and fix data size.
8587         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8588         base class constructor and fix data size.
8589         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8590         base class constructor and fix data size.
8591         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8592         class constructor and fix data size.
8593         (Output_data_group::set_final_data_size): New method definition.
8594         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8595         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8596         class constructor and fix data size.
8597         (Output_relaxed_input_section): New class definition.
8598         (Output_section::Simple_input_section): New class definition.
8599         (Output_section::get_input_sections): Adjust parameter list.
8600         (Output_section::add_input_section_for_script): Same.
8601         (Output_section::save_states, Output_section::restore_states,
8602         Output_section::do_address_and_file_offset_have_reset_values,
8603         (Output_section::Input_section::Input_section): Handle
8604         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8605         Output_relaxed_input_section.
8606         (Output_section::Input_section::is_input_section,
8607         Output_section::Input_section::set_output_section): Handle relaxed
8608         input section.
8609         (Output_section::Input_section::is_relaxed_input_section,
8610         Output_section::Input_section::output_section_data,
8611         Output_section::Input_section::relaxed_input_section): New method
8612         definitions.
8613         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8614         value.
8615         (Output_section::Input_section::u1_): Update comments.
8616         (Output_section::Input_section::u2_): Add new union member poris.
8617         (Output_section::Checkpoint_output_section): New classs definition.
8618         (Output_section::relax_input_section): New method declaration.
8619         (Output_section::checkpoint_): New data member.
8620         (Output_segment): Update comments.
8621         (Output_segment::Output_segment): Un-privatize copy constructor.
8622         (Output_segment::operator=): Un-privatize.
8623         * script-sections.cc (Output_section_element::Input_section_list):
8624         Change element type to Output_section::Simple_input_section.
8625         (Output_section_element_dot_assignment::set_section_addresses):
8626         Register output section data for relaxation clean up.
8627         (Output_data_exression::Output_data_expression): Adjust call to base
8628         constructor to fix data size.
8629         (Output_section_element_data::set_section_addresses): Register
8630         Output_data_expression object for relaxation clean up.
8631         (struct Input_section_info): Replace Relobj pointer and section index
8632         pair with Output_section::Simple_input_section and Convert struct to a
8633         class.
8634         (Input_section_sorter::operator()): Adjust access to
8635         Input_section_info data member to use accessors.
8636         (Output_section_element_input::set_section_addresses): Use layout
8637         parameter.  Adjust code to use Output_section::Simple_input_section
8638         and Input_secction_info classes.  Register filler for relaxation
8639         clean up.
8640         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8641         and section index pair with Output_section::Simple_input_section
8642         class.  Adjust code accordingly.
8643         (Phdrs_element::release_segment): New method definition.
8644         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8645         segment list.
8646         (Script_sections::release_segments): New method definition.
8647         * gold/script-sections.h (Script_sections::release_segments): New
8648         method declaration.
8649         * gold/target.h (Target::may_relax, Target::relax,
8650         Target::do_may_relax, Target::do_relax): New method definitions.
8652 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8654         * arm.cc (has_signed_unsigned_overflow): New function.
8655         (Arm_relocate_functions::abs8): New function.
8656         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8657         (Target_arm::Scan::global): Likewise.
8658         (Target_arm::relocate::relocate): Likewise.
8659         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8660         Likewise.
8662 2009-09-16  Cary Coutant  <ccoutant@google.com>
8664         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8665         * testsuite/Makefile.in: Regenerate.
8667 2009-09-11  Nick Clifton  <nickc@redhat.com>
8669         * po/gold.pot: Updated by the Translation project.
8671 2009-09-08  Cary Coutant  <ccoutant@google.com>
8673         * output.cc (Output_file::open): Add execute permission to empty file.
8674         * testsuite/Makefile.am (permission_test): New test.
8675         * testsuite/Makefile.in: Regenerate.
8677 2009-09-02  Ian Lance Taylor  <iant@google.com>
8679         * output.cc (Output_file::resize): Call map_no_anonymous rather
8680         than map.
8682 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8684         * gold.cc: Include "incremental.h".
8685         (queue_initial_tasks): Call Incremental_checker methods.
8686         * incremental.cc: Include "output.h".
8687         (Incremental_checker::can_incrementally_link_output_file): New
8688         method.
8689         * incremental.h (Incremental_checker): New class.
8691         * output.cc (Output_file::open_for_modification): New method.
8692         (Output_file::map_anonymous): Changed return type to bool.  Record
8693         map in base_ field.
8694         (Output_file::map_no_anonymous): New method, broken out of map.
8695         (Output_file::map): Use map_no_anonymous and map_anonymous.
8696         * output.h (class Output_file): Update declarations.
8698 2009-08-24  Cary Coutant  <ccoutant@google.com>
8700         * options.h (Command_line::Pre_options): New class.
8701         (Command_line::pre_options): New member.
8702         * options.cc (gold::options::ready_to_register): New variable.
8703         (One_option::register_option): Do nothing if not registering options.
8704         Assert if same short option registered twice.
8705         (General_options::General_options): Turn off option registration when
8706         done constructing.
8707         (Command_line::Pre_options::Pre_options): New constructor.
8709 2009-08-24  Cary Coutant  <ccoutant@google.com>
8711         * options.h (General_options::no_keep_memory): Remove incorrect
8712         short option.
8714 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8716         * Makefile.am (am__skiplex, am__skipyacc): New.
8717         * Makefile.in: Regenerate.
8719 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8721         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8722         (INCLUDES): ... this.
8723         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8724         (AM_CPPFLAGS): Renamed from ...
8725         (INCLUDE): ... this.
8726         * Makefile.in, testsuite/Makefile.in: Regenerate.
8728         * Makefile.in: Regenerate.
8729         * aclocal.m4: Likewise.
8730         * config.in: Likewise.
8731         * configure: Likewise.
8732         * testsuite/Makefile.in: Likewise.
8734         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8735         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8736         * Makefile.in: Regenerate.
8737         * testsuite/Makefile.in: Regenerate.
8739 2009-08-19  Cary Coutant  <ccoutant@google.com>
8741         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8742         symbols in shared libraries overridden by hidden or internal symbols
8743         in the main program.
8745 2009-08-19  Chris Demetriou  <cgd@google.com>
8747         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8748         checking source file names in error messages.
8750 2009-08-18  Doug Kwan  <dougkwan@google.com>
8752         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8753         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8754         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8755         an elfcpp::Ehdr as parameter.
8756         * object.cc (Object::set_target): Remove the version that looks up
8757         a target and sets it.
8758         (Sized_relobj::setup): Take a Target object instead of
8759         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8760         (make_elf_sized_object): Find target and ask target to
8761         make an ELF object.
8762         * object.h: (Object::set_target): Remove the version that looks up
8763         a target and sets it.
8764         (Sized_relobj::setup): Take a Target object instead of
8765         an elfcpp:Ehdr as parameter.
8766         * target.cc: Include dynobj.h.
8767         (Target::do_make_elf_object_implementation): New.
8768         (Target::do_make_elf_object): New.
8769         * target.h (Target::make_elf_object): New template declaration.
8770         (Target::do_make_elf_object): New method declarations.
8771         (Target::do_make_elf_object_implementation): New template declaration.
8773 2009-08-14  Ian Lance Taylor  <iant@google.com>
8775         * gold.h (FUNCTION_NAME): Define.
8776         (gold_unreachable): Use FUNCTION_NAME.
8778 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8780         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8781         symbol in the --keep-unique list is not found.
8783 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8785         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8786         been maked as --keep-unique.
8787         (Icf::unfold_section): New function.
8788         * icf.h (Icf::unfold_section): New function.
8789         * options.h (General_options::keep_unique): New option.
8790         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8791         * testsuite/Makefile.in: Regenerate.
8792         * testsuite/icf_keep_unique_test.sh: New file.
8793         * testsuite/icf_keep_unique_test.cc: New file.
8795 2009-08-12  Cary Coutant  <ccoutant@google.com>
8797         PR 10471
8798         * resolve.cc (Symbol_table::resolve): Check for references from
8799         dynamic objects to hidden and internal symbols.
8800         * testsuite/Makefile.am (hidden_test.sh): New test.
8801         * testsuite/Makefile.in: Regenerate.
8802         * testsuite/hidden_test.sh: New script.
8803         * testsuite/hidden_test_1.c: New test source.
8804         * testsuite/hidden_test_main.c: New test source.
8806 2009-08-11  Doug Kwan  <dougkwan@google.com>
8808         * arm.cc: Update comments.
8809         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8810         segment to locate the .ARM.exidx section if present.
8812 2009-08-09  Doug Kwan  <dougkwan@google.com>
8814         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8815         patch.
8817 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8818         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8819         compiler warnings.
8821 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8823         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8824         valid tls_segment only for non-debug-section relocations.
8825         * testsuite/Makefile.am: Add gc_tls_test.
8826         * testsuite/Makefile.in: Regenerate.
8827         * testsuite/gc_tls_test.cc: New file.
8828         * testsuite/gc_tls_test.sh: New file.
8830 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8832         * icf.cc: New file.
8833         * icf.h: New file.
8834         * Makefile.am (CCFILES): Add icf.cc.
8835         (HFILES): Add icf.h
8836         * Makefile.in: Regenerate.
8837         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8838         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8839         section, symbol and addend information for the relocs.
8840         * gold.cc (queue_middle_tasks): Call identical code folding.
8841         * gold.h: Add defines for multimap.
8842         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8843         to the call of finalize_local_symbols.
8844         * main.cc (main): Create object of class Icf.
8845         * object.cc (Sized_relobj::do_layout): Allow this function to be
8846         called twice during icf.
8847         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8848         to sections marked as identical by icf.
8849         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8850         when available.
8851         (Sized_relobj::do_section_entsize): New function.
8852         * object.h (Object::section_entsize): New function.
8853         (Object::do_section_entsize): New pure virtual function.
8854         (Relobj::finalize_local_symbols): Add new parameter.
8855         (Relobj::do_section_entsize): New function.
8856         * options.h (General_options::icf): New option.
8857         (General_options::icf_iterations): New option.
8858         (General_options::print_icf_sections): New option.
8859         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8860         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8861         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8862         icf.
8863         * symtab.cc (Symbol_table::is_section_folded): New function.
8864         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8865         to sections marked as identical by icf.
8866         * symtab.h (Symbol_table::set_icf): New function.
8867         (Symbol_table::icf): New function.
8868         (Symbol_table::is_section_folded): New function.
8869         (Symbol_table::icf_): New data member.
8870         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8871         * testsuite/Makefile.am: Add commands to build icf_test.
8872         * testsuite/Makefile.in: Regenerate.
8873         * testsuite/icf_test.sh: New file.
8874         * testsuite/icf_test.cc: New file.
8876 2009-07-24  Chris Demetriou  <cgd@google.com>
8878         * layout.cc (is_compressible_debug_section): Fix incorrect
8879         comment about compressed section names.
8881 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8883         PR 10419
8884         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8886 2009-07-16  Ian Lance Taylor  <iant@google.com>
8888         PR 10400
8889         * layout.h: #include <map>.
8890         (class Kept_section): Change from struct to class.  Add accessors
8891         and setters.  Add section size to Comdat_group mapping.  Change
8892         Comdat_group to std::map.  Add is_comdat_ field.  Add
8893         linkonce_size field in union.
8894         (class Layout): Update declaration of find_or_add_kept_section.
8895         Don't declare find_kept_object.
8896         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8897         parameter.  Add object, shndx, is_comdat, and is_group_name
8898         parameters.  Change all callers.  Adjust for new Kept_section.
8899         (Layout::find_kept_object): Remove.
8900         * object.cc (Sized_relobj::include_section_group): Update use of
8901         Kept_section.  Rename secnum to shndx.  Only record
8902         Kept_comdat_section if sections are the same size.
8903         (Sized_relobj::include_linkonce_section): Update use of
8904         Kept_section.  Only record Kept_comdat_section if sections are the
8905         same size.  Set size of linkonce section.
8906         (Sized_relobj::map_to_kept_section): Update call to
8907         get_kept_comdat_section.
8908         * object.h (class Sized_relobj): Rename fields in
8909         Kept_comdat_section to drop trailing underscores; change object
8910         field to Relobj*.  Change Kept_comdat_section_table to store
8911         struct rather than pointer.
8912         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8913         Add kept_object and kept_shndx parameters.  Change all callers.
8914         (Sized_relobj::get_kept_comdat_section): Change return type to
8915         bool.  Add kept_object and kept_shndx parameters.  Change all
8916         callers.
8917         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8918         Layout::find_or_add_kept_section.
8920 2009-07-09  Ian Lance Taylor  <iant@google.com>
8922         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8923         Reserve space in the hash table.
8925 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8927         * fileread.cc (File_read::get_mtime): New method.
8928         * fileread.h (Timespec): New structure.
8929         (File_read::get_mtime): New method.
8930         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8931         Renamed from timestamp_nsec.
8932         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8933         Elf_Xword.
8934         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8935         timestamp_nsec.
8936         (Incremental_inputs::report_archive): Save mtime; style fix.
8937         (Incremental_inputs::report_obejct): Save mtime; style fix.
8938         (Incremental_inputs::report_script): Save mtime; style fix.
8939         (Incremental_inputs::finalize_inputs): Style fix.
8940         (Incremental_inputs::finalize): Style fix.
8941         (Incremental_inputs::create_input_section_data): Store inputs
8942         mtime.
8943         * incremental.h (Incremental_inputs::report_script): Add mtime
8944         argument.
8945         (Incremental_inputs::Input_info::Input_info): Intialize only one
8946         union member.
8947         (Incremental_inputs::Input_info::archive): Move to nameless
8948         union.
8949         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8950         (Incremental_inputs::Input_info::script): Move to nameless union.
8951         (Incremental_inputs::mtime): New field.
8952         * script.cc (read_input_script): Pass file mtime to
8953         Incremental_input.
8954         * script.h (Script_info::inputs): Style fix.
8956 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8958         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8959         instead of 32.
8961 2009-06-24  Ian Lance Taylor  <iant@google.com>
8963         PR 10156
8964         * layout.cc (Layout::choose_output_section): If we find an
8965         existing section, update the flags.
8966         (Layout::create_notes): New function, broken out of
8967         Layout::finalize.
8968         (Layout::finalize): Don't create note sections.
8969         (Layout::create_note): Don't crash if linker script discards
8970         section.
8971         (Layout::create_gold_note): Likewise.
8972         (Layout::create_build_id): Likewise.  Don't set
8973         after_input_sections on the section.
8974         (Layout::create_executable_stack_info): Remove target parameter.
8975         Change caller.
8976         * layout.h (class Layout): Declare create_notes.  Update
8977         declaration of create_executable_stack_info.
8978         * gold.cc (queue_middle_tasks): Call create_notes.
8979         * output.cc (Output_section::update_flags_for_input_section): Move
8980         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8981         invalid.
8982         * output.h (Output_data::mark_address_invalid): New function.
8983         (class Output_section): Only declare, not define,
8984         update_flags_for_input_section.  Remove set_flags.
8986 2009-06-24  Ian Lance Taylor  <iant@google.com>
8988         * script-sections.cc (Output_section_definition::
8989         set_section_addresses): Rename shadowing local load_address to
8990         laddr.
8992 2009-06-24  Ian Lance Taylor  <iant@google.com>
8994         PR 10244
8995         * reloc.cc (relocate_sections): Skip empty relocation sections.
8997 2009-06-23  Ian Lance Taylor  <iant@google.com>
8999         PR 10156
9000         * layout.cc (Layout::create_note): Use choose_output_section
9001         rather than make_output_section.
9003 2009-06-23  Ian Lance Taylor  <iant@google.com>
9005         PR 10237
9006         * options.cc (General_options::parse_V): Set printed_version_.
9007         (General_options::General_options): Initialize printed_version_.
9008         * options.h (class General_options): Add printed_version_ field.
9009         * gold.cc (queue_initial_tasks): If there are no input files,
9010         don't give a fatal error if we printed the version information.
9011         (queue_middle_tasks): If using -r with a shared object, give a
9012         fatal error rather than an ordinary error.
9014 2009-06-23  Ian Lance Taylor  <iant@google.com>
9016         PR 10219
9017         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9018         (Layout::make_output_section): Set have_stabstr_section_ if we see
9019         a .stab*str section.
9020         (Layout::finalize): Call link_stabs_sections.
9021         (Layout::link_stabs_sections): New file.
9022         * layout.h (class Layout): Add have_stabstr_section_ field.
9023         Declare link_stabs_sections.
9025 2009-06-23  Doug Kwan  <dougkwan@google.com>
9027         * Makefile.am (libgold_a_LIBADD): New.
9028         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9029         * Makefile.in: Regenerate.
9030         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9031         * configure: Regenerate.
9032         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9033         * fileread.cc: Include sys/state.h
9034         * gold.h: Declare memmem and strndup if found missing.
9035         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9037 2009-06-23  Ian Lance Taylor  <iant@google.com>
9039         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9040         * configure: Rebuild.
9042 2009-06-23  Ian Lance Taylor  <iant@google.com>
9044         PR 10147
9045         * object.cc (Object::section_contents): Don't try to get a view if
9046         the section has length zero.
9047         (Object::handle_gnu_warning_section): If the section is empty, use
9048         the name of the section as the warning.
9050 2009-06-23  Ian Lance Taylor  <iant@google.com>
9052         PR 10133
9053         * stringpool.h (class Stringpool_template): Add optimize_ field.
9054         (Stringpool_template::set_optimize): New function.
9055         * stringpool.cc (Stringpool_template::Stringpool_template):
9056         Initialize optimize_ field.
9057         (Stringpool_template::set_string_offsets): Test local optimize
9058         fild rather than parameter.
9059         * layout.cc (Layout::Layout): Call set_optimize on the section
9060         name stringpool.
9062 2009-06-22  Ian Lance Taylor  <iant@google.com>
9064         PR 10030
9065         * yyscript.y: Parse TARGET.
9066         * script.cc (script_set_target): New function.
9067         * script-c.h (script_set_target): Declare.
9068         * options.cc (General_options::string_to_object_format): Rename
9069         from string_to_object_format in anonymous namespace.  Change
9070         callers.
9071         * options.h (class General_options): Declare
9072         string_to_object_format.
9074 2009-06-22  Ian Lance Taylor  <iant@google.com>
9076         * script-sections.cc (Script_sections::create_segments): Don't put
9077         program headers in a PT_LOAD segment if -n or -N.
9079 2009-06-22  Ian Lance Taylor  <iant@google.com>
9081         PR 10141
9082         * options.h (class General_options): Add -z lazy and -z now.  Sort
9083         -z options into alphabetical order.
9084         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9086 2009-06-21  Ian Lance Taylor  <iant@google.com>
9088         * layout.cc (Layout::make_output_section): Call
9089         Target::new_output_section.
9090         (Layout::attach_allocated_section_to_segment): Put large section
9091         sections in a separate load segment with the large segment flag
9092         set.
9093         (Layout::segment_precedes): Sort large data segments after other
9094         load segments.
9095         (align_file_offset): New static function.
9096         (Layout::set_segment_offsets): Use align_file_offset.
9097         * output.h (class Output_section): Add is_small_section_ and
9098         is_large_section_ fields.
9099         (Output_section::is_small_section): New function.
9100         (Output_section::set_is_small_section):  New function.
9101         (Output_section::is_large_section): New function.
9102         (Output_section::set_is_large_section): New function.
9103         (Output_section::is_large_data_section): New function.
9104         (class Output_segment): Add is_large_data_segment_ field.
9105         (Output_segment::is_large_data_segment): New function.
9106         (Output_segment::set_is_large_data_segment): New function.
9107         * output.cc (Output_section::Output_section): Initialize new
9108         fields.
9109         (Output_segment::Output_segment): Likewise.
9110         (Output_segment::add_output_section): Add assertion that large
9111         data sections always go in large data segments.  Force small data
9112         sections to the end of the list of data sections.  Force small BSS
9113         sections to the start of the list of BSS sections.  For large BSS
9114         sections to the end of the list of BSS sections.
9115         * symtab.h (class Symbol): Declare is_common_shndx.
9116         (Symbol::is_defined): Check Symbol::is_common_shndx.
9117         (Symbol::is_common): Likewise.
9118         (class Symbol_table): Define enum Commons_section_type.  Update
9119         declarations.  Add small_commons_ and large_commons_ fields.
9120         * symtab.cc (Symbol::is_common_shndx): New function.
9121         (Symbol_table::Symbol_table): Initialize new fields.
9122         (Symbol_table::add_from_object): Put small and large common
9123         symbols in the right list.
9124         (Symbol_table::sized_finalized_symbol): Check
9125         Symbol::is_common_shndx.
9126         (Symbol_table::sized_write_globals): Likewise.
9127         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9128         common symbol lists.  Don't call do_allocate_commons_list if the
9129         list is empty.
9130         (Symbol_table::do_allocate_commons_list): Remove is_tls
9131         parameter.  Add comons_section_type parameter.  Change all
9132         callers.  Handle small and large common symbols.
9133         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9134         Symbol::is_common_shndx.
9135         * resolve.cc (symbol_to_bits): Likewise.
9136         * target.h (Target::small_common_shndx): New function.
9137         (Target::small_common_section_flags): New function.
9138         (Target::large_common_shndx): New function.
9139         (Target::large_common_section_flags): New function.
9140         (Target::new_output_section): New function.
9141         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9142         small_common_section_flags, and large_common_section_flags
9143         fields.
9144         (Target::do_new_output_section): New virtual function.
9145         * arm.cc (Target_arm::arm_info): Initialize new fields.
9146         * i386.cc (Target_i386::i386_info): Likewise.
9147         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9148         Likewise.
9149         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9150         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9151         (Target_x86_64::do_new_output_section): New function.
9152         * configure.ac: Define conditional MCMODEL_MEDIUM.
9153         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9154         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9155         (large_LDFLAGS): Define.
9156         * testsuite/large.c: New file.
9157         * testsuite/testfile.cc (Target_test::test_target_info):
9158         Initialize new fields.
9159         * configure, testsuite/Makefile.in: Rebuild.
9161 2009-06-05  Doug Kwan  <dougkwan@google.com>
9163         * Makefile.am (CCFILES): Add target.cc.
9164         * Makefile.in: Regenerate.
9165         * i386.cc (class Target_i386): Define new virtual method to
9166         override do_is_local_label_name in parent.
9167         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9168         local symbols if --discard-locals or -X is given.
9169         * options.h (class General_options): Declare new options
9170         '--discard-locals' and '-X' for discarding locals.
9171         * target.h (class Target): Define new methods is_local_label_name.
9172         Declare new virtual method do_is_local_label_name.
9173         * target.cc: New file.
9174         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9175         (check_SCRIPTS): Add discard_locals_test.sh.
9176         (check_DATA): Add discard_local_tests.syms.
9177         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9178         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9179         * testsuite/Makefile.in: Regenerate.
9180         * testsuite/discard_locals_test.c: New file.
9181         * testsuite/discard_locals_test.sh: Same.
9183 2009-06-05  Doug Kwan  <dougkwan@google.com>
9185         * object.cc (Sized_relobj::Sized_relobj): Initialize
9186         discarded_eh_frame_shndx_ to -1U.
9187         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9188         section.
9189         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9190         a discarded .eh_frame section.
9191         (Sized_relobj::do_finalize_local_symbols): Ditto.
9192         * object.h (class Sized_relobj): Declare new member
9193         discarded_eh_frame_shndx_.
9194         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9195         (local_labels_test.o, local_labels_test): New rules.
9196         * testsuite/Makefile.in: Regenerate.
9198 2009-06-04  Doug Kwan  <dougkwan@google.com>
9200         * layout.cc (Layout::section_name_mapping): Add mapping for
9201         special ARM sections.
9203 2009-06-03  Doug Kwan  <dougkwan@google.com>
9205         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9206         (utils::has_overflow): Same.
9208 2009-06-03  Ian Lance Taylor  <iant@google.com>
9210         * layout.cc (Layout::section_name_mapping): New array, replacing
9211         Layout::linkonce_mapping.
9212         (Layout::section_name_mapping_count): New variable, replacing
9213         Layout::linkonce_mapping_count.
9214         (Layout::linkonce_output_name): Remove.
9215         (Layout::output_section_name): Rewrite.
9216         * layout.h (class Layout): Rename Linkonce_mapping to
9217         Section_name_mapping, linkonce_mapping to section_name_mapping,
9218         linkonce_mapping_count to section_name_mapping_count.  Don't
9219         declare linkonce_output_name.
9221 2009-06-03  Doug Kwan  <dougkwan@google.com>
9223         * gold/arm.cc (namespace utils): New.
9224         (Target_arm::reloc_is_non_pic): Define new method.
9225         (class Arm_relocate_functions): New.
9226         (Target_arm::Relocate::relocate): Handle relocation types used by
9227         Android.
9229 2009-06-03  Ian Lance Taylor  <iant@google.com>
9231         * arm.cc (Target_arm::scan::global): Use || instead of |.
9233 2009-06-02  Doug Kwan  <dougkwan@google.com>
9235         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9236         issued_non_pic_error_.
9237         (class Target_arm::Scan): Declare new method check_non_pic.
9238         Define new method symbol_needs_plt_entry.
9239         Declare new data member issued_non_pic_error_.
9240         (class Target_arm::Relocate): Declare new method
9241         should_apply_static_reloc.
9242         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9243         (Target_arm::Scan::check_non_pic): Define new method.
9244         (Target_arm::Scan::local): Handle a small subset of reloc types used
9245         by Android.
9246         (Target_arm::Scan::local): Same.
9247         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9249 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9251         * incremental.cc (Incremental_inputs::report_command_line): Filter
9252         out --incremental-* options.
9254 2009-05-29  Doug Kwan  <dougkwan@google.com>
9256         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9257         template class.
9258         (class Target_arm): Update comment.
9259         (Target_arm::Target_arm): Initialize new data members GOT_,
9260         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9261         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9262         and Target_arm::rel_dyn_section.
9263         Declare new_enum Target_arm::Got_type.
9264         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9265         and DYNBSS_.
9266         Update commments for member do_dynsym_value.
9267         (Target_arm::got_size, Target_arm::plt_section,
9268         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9269         new methods inside class defintion.
9270         (Target_arm::got_section): Define new method.
9271         (Target_arm::rel_dyn_section): Same.
9272         (Output_data_plt_arm): New template class.
9273         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9274         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9275         (Output_data_plt_arm::add_entry): Same.
9276         (Output_data_plt_arm::first_plt_entry): Define new
9277         static data member for PLT instruction template.
9278         (Output_data_plt_arm::plt_entry): Same.
9279         (Output_data_plt_arm::do_write): Define new method.
9280         (Target_arm::make_plt_entry): Same.
9281         (Target_arm::do_finalize_sections): Same.
9282         (Target_arm::do_dynsym_value): Same.
9284 2009-05-28  Doug Kwan  <dougkwan@google.com>
9286         * Makefile.am (TARGETSOURCES): Add arm.cc.
9287         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9288         * Makefile.in: Regenerate.
9289         * arm.cc: New file.
9290         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9292 2009-05-26  Doug Kwan  <dougkwan@google.com>
9294         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9295         (General_options::check_excluded_libs): Strip off directories in
9296         archive name before matching like GNU ld does.
9297         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9298         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9299         (exclude_libs_test_LDFLAGS): Add linker option
9300         -Wl,--exclude-libs,libexclude_libs_test_3
9301         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9302         an explicit archive without using -l.
9303         (alt/libexclude_libs_test_3.a): New make rule.
9304         * testsuite/Makefile.in: Regenerate.
9305         * testsuite/exclude_libs_test.c : Declare lib3_default().
9306         (main): Call it.
9307         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9308         * exclude_libs_test_3.c: New file.
9310 2009-05-26  Nick Clifton  <nickc@redhat.com>
9312         * po/id.po: New Indonesian translation.
9313         * po/gold.pot: Updated template file.
9315 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9317         * testsuite/Makefile.am: Add -ffunction-sections to compile
9318         gc_comdat_test files.  Add -Wl,--gc-sections to build
9319         gc_comdat_test.
9320         * testsuite/Makefile.in: Regenerate.
9321         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9323 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9325         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9326         kept comdat section was garbage collected.
9327         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9328         * testsuite/Makefile.in: Regenerate.
9329         * testsuite/gc_comdat_test.sh: New file.
9330         * testsuite/gc_comdat_test_1.cc: New file.
9331         * testsuite/gc_comdat_test_2.cc: New file.
9333 2009-05-19  Doug Kwan  <dougkwan@google.com>
9335         * archive.cc (Archive::Archive): Move constructor from archive.h
9336         to here.  Initialize no_export_.
9337         (Archive::get_elf_object_for_member): Set no_export flag of object.
9338         * archive.h (Archive::Archive): Move constructor body to
9339         archive.cc.
9340         (Archive::no_export): New method.
9341         (Archive::no_export_): New field.
9342         * object.h (Object::Object): Initialize no_export_ to false.
9343         (Object::no_export, Object::set_no_export): New methods.
9344         (Object::no_export_): New field.
9345         * options.cc (General_options::parse_exclude_libs): New method.
9346         (General_options::check_excluded_libs) Same.
9347         * options.h (exclude_libs): New option.
9348         (General_options::check_excluded_libs): New method declaration.
9349         (General_options::excluded_libs_): New field.
9350         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9351         default or protected visibility if an object has no-export flag set.
9352         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9353         (check_SCRIPTS): Add exclude_libs_test.sh.
9354         (check_DATA): Add exclude_libs_test.syms.
9355         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9356         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9357         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9358         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9359         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9360         libexclude_libs_test_2.a): New rules.
9361         * testsuite/Makefile.in: Regenerate.
9362         * testsuite/exclude_libs_test.c: New file.
9363         * testsuite/exclude_libs_test.sh: Ditto.
9364         * testsuite/exclude_libs_test_1.c: Ditto.
9365         * testsuite/exclude_libs_test_2.c: Ditto.
9367 2009-05-15  Ian Lance Taylor  <iant@google.com>
9369         * configure.ac: Check for declarations for cases where libiberty.h
9370         checks HAVE_DECL_xxx.
9371         * configure, config.in: Rebuild.
9373 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9375         * gold.h (Incremental_argument_list): Remove (invalid) forward
9376         declaration.
9377         * incremental.cc (Incremental_inputs::report_achive): New method.
9378         (Incremental_inputs::report_object): New method.
9379         (Incremental_inputs::report_script): New method.
9380         (Incremental_inputs::finalize_inputs): New method.
9381         (Incremental_inputs::finalize): Call finalize_inputs().
9382         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9383         Create inputs entries.
9384         * incremental.h (Incremental_input_type): New enum.
9385         (Incremental_inputs::Incremental_input): Initialize new fields.
9386         (Incremental_inputs::report_inputs): New method.
9387         (Incremental_inputs::report_achive): New method.
9388         (Incremental_inputs::report_object): New method.
9389         (Incremental_inputs::report_script): New method.
9390         (Incremental_inputs::finalize_inputs): New method.
9391         (Incremental_inputs::Input_info): New struct.
9392         (Incremental_inputs::Input_info_map): New typedef.
9393         (Incremental_inputs::lock_): New field.
9394         (Incremental_inputs::Inputs_): New field.
9395         (Incremental_inputs::Inputs_map): New field.
9396         * main.cc (main): Call Incremental_input::report_inputs.
9397         * options.h (Input_argument_list): Typedef moved from
9398         Input_arguments.
9399         (Input_file_group::Files): Remove, use ::Input_argument_list.
9400         (Input_file_group::Input_argument_list): Remove, use
9401         ::Input_argument_list.
9402         * plugin.cc (Plugin_manager::add_input_file): Add error in
9403         incremental build.
9404         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9405         functions.
9406         * script.cc (read_input_script): Call
9407         Incremental_input::report_script.
9408         * script.h (Script_info): New class.
9410 2009-04-27  Ian Lance Taylor  <iant@google.com>
9412         * x86_64.cc (do_adjust_output_section): Set entsize to
9413         plt_entry_size.
9415 2009-04-23  Elliott Hughes  <enh@google.com>
9417         * output.cc (Output_file::close): After short writes, continue
9418         writing from the correct offset in the buffer being written.
9420 2009-04-23  Chris Demetriou  <cgd@google.com>
9422         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9423         * configure: Regenerate.
9424         * config.in: Regenerate.
9425         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9426         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9428 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9430         * incremental.cc (Incremental_inputs_header_data): Renamed from
9431         Incremental_input_header_data.
9432         (Incremental_inputs_header_data::data_size): New field.
9433         (Incremental_inputs_header_data::put_input_file_count): Renamed
9434         from input_file_count.
9435         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9436         from command_line_offset.
9437         (Incremental_inputs_header_data::put_reserved): Renamed from
9438         put_reserved.
9439         (Incremental_inputs_entry_data): Renamed from
9440         Incremental_input_entry_data.
9441         (Incremental_inputs_entry_data::data_size): New field.
9442         (Incremental_inputs::report_command_line): New method.
9443         (Incremental_inputs::finalize): New method.
9444         (Incremental_inputs::create_incremental_inputs_data): New method.
9445         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9446         * incremental.h: New file.
9447         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9448        (Layout::finalize): Create incremental inputs section in
9449         incremental builds.
9450        (Layout::create_incremental_info_sections): New method.
9451         * layout.h (Layout::incremental_inputs): New method.
9452        (Layout::create_incremental_info_sections): New method.
9453        (Layout::incremental_inputs_): New field.
9454         * main.cc (main): Notify Incremental_input of the command line.
9456 2009-04-01  Ian Lance Taylor  <iant@google.com>
9457             Mikolaj Zalewski  <mikolajz@google.com>
9459         * gold.h (reserve_unordered_map): Define, three versions, one for
9460         each version of Unordered_map.
9461         * layout.cc (Layout::Layout): Remove options parameter.  Add
9462         number_of_input_files parameter.  Don't initialize options_.
9463         Initialize number_of_input_files_ and resized_signatures_.  Move
9464         sections_are_attached_.
9465         (Layout::layout_group): Reserve space for group_signatures_.
9466         (Layout::find_or_add_kept_section): Change name parameter to be a
9467         reference.  Resize signatures_ map when it gets large enough.
9468         (Layout::layout_eh_frame): Use parameters->options() instead of
9469         this->options_.
9470         (Layout::make_output_section): Likewise.
9471         (Layout::attach_allocated_section_to_segment): Likewise.
9472         (Layout::finalize, Layout::create_executable_stack): Likewise.
9473         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9474         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9475         * layout.h (class Layout): Update declarations.  Remove options_
9476         field.  Add number_of_input_files_ and resized_signatures_
9477         fields.  Move sections_are_attached_ field.
9478         * main.cc (main): Pass number of input files to Layout
9479         constructor.  Don't pass options.
9481 2009-03-30  Ian Lance Taylor  <iant@google.com>
9483         * ffsll.c (ffsll): Correct implementation.
9485 2009-03-27  Ian Lance Taylor  <iant@google.com>
9487         * ffsll.c: New file.
9488         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9489         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9490         * ftruncate.c (ftruncate): Declare before definition.
9491         * mremap.c (mremap): Likewise.
9492         * pread.c (pread): Likewise.
9493         * configure, Makefile.in, config.in: Rebuild.
9495         * mremap.c: New file.
9496         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9497         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9498         (mremap): Declare if HAVE_MREMAP is not defined.
9499         * configure, Makefile.in, config.in: Rebuild.
9501 2009-03-27  Cary Coutant  <ccoutant@google.com>
9503         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9504         position independent.
9505         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9506         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9508 2009-03-24  Cary Coutant  <ccoutant@google.com>
9510         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9511         an executable.
9512         (needs_dynamic_reloc): Likewise.
9514 2009-03-24  Ian Lance Taylor  <iant@google.com>
9516         * yyscript.y (file_cmd): Recognize EXTERN.
9517         (extern_name_list, extern_name_list_body): New nonterminals.
9518         * script.cc (script_add_extern): Define.
9519         * script-c.h (script_add_extern): Declare.
9521 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9523         * object.cc (is_elf_object): Define.
9524         * object.h (is_elf_object): Declare.
9525         * archive.cc (Archive::get_elf_object_for_member): Call
9526         is_elf_object.
9527         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9529 2009-03-24  Elliott Hughes  <enh@google.com>
9531         * output.cc (Output_file::map_anonymous): Define.
9532         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9533         try an anonymous one.  Report the size if the mmap fails.
9534         * output.h (class Output_file): Declare map_anonymous.
9536 2009-03-24  Ian Lance Taylor  <iant@google.com>
9538         * target-select.cc (instantiate_target): Don't acquire the lock if
9539         the instantiated_target_ field has already been set.
9541 2009-03-23  Ian Lance Taylor  <iant@google.com>
9543         * gold-threads.h (class Initialize_lock): Define.
9544         * gold-threads.cc (class Initialize_lock_once): Define.
9545         (initialize_lock_control): New static variable.
9546         (initialize_lock_pointer): New static variable.
9547         (initialize_lock_once): New static function.
9548         (Initialize_lock::Initialize_lock): Define.
9549         (Initialize_lock::initialize): Define.
9550         * target-select.h: Include "gold-threads.h".
9551         (class Target_selector): Add lock_ and initialize_lock_ fields.
9552         Don't define instantiate_target, just declare it.
9553         * target-select.cc (Target_selector::Target_selector): Initialize
9554         new fields.
9555         (Target_selector::instantiate_target): Define.
9556         * descriptors.h: Include "gold-threads.h".
9557         (class Descriptors): Add initialize_lock_ field.
9558         * descriptors.cc (Descriptors::Descriptors): Initialize new
9559         field.
9560         (Descriptors::open): Use initialize_lock_ field
9561         * errors.h (class Errors): Add initialize_lock_ field.
9562         * errors.cc (Errors::Errors): Initialize new field.
9563         (Errors::initialize_lock): Use initialize_lock_ field.
9564         * powerpc.cc (class Target_selector_powerpc): Remove
9565         instantiated_target_ field.  In do_recognize call
9566         instantiate_target rather than do_instantiate_target.  In
9567         do_instantiate_target just allocate a new target.
9568         * sparc.cc (class Target_selector_sparc): Likewise.
9570         * freebsd.h: New file.
9571         * i386.cc: Include "freebsd.h".
9572         (Target_i386): Derive from Target_freebsd rather than
9573         Sized_target.
9574         (Target_selector_i386): Derive from Target_selector_freebsd rather
9575         than Target_selector.
9576         * x86_64.cc: Include "freebsd.h".
9577         (Target_x86_64): Derive from Target_freebsd rather than
9578         Sized_target.
9579         (Target_selector_x86_64): Derive from Target_selector_freebsd
9580         rather than Target_selector.
9581         * target.h (class Target): Add adjust_elf_header and
9582         do_adjust_elf_header.
9583         * output.cc (Output_file_header:: do_sized_write): Call target
9584         adjust_elf_header routine.
9585         * configure.tgt: Set targ_osabi.
9586         * configure.ac: Define GOLD_DEFAULT_OSABI.
9587         * parameters.cc (Parameters::default_target): Pass
9588         GOLD_DEFAULT_OSABI to select_target.
9589         * target-select.h (class Target_selector): Make instantiate_target
9590         protected rather than private.
9591         * Makefile.am (HFILES): Add freebsd.h.
9592         * configure, Makefile.in, config.in: Rebuild.
9594         * merge.cc (do_add_input_section): Correct pend value.  Change
9595         message about last entry not being null terminated from error to
9596         warning.
9598 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9600         * incremental.cc: New file.
9601         * Makefile.am (CCFILES): Add incremental.cc.
9602         * Makefile.in: Rebuild.
9604 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9606         * layout.cc (Layout::output_section_name): Preserve names
9607         of '.note.' sections.
9609 2009-03-19  Ian Lance Taylor  <iant@google.com>
9611         * descriptors.cc (Descriptors::open): Check that the options are
9612         valid before using them.
9614 2009-03-18  Ian Lance Taylor  <iant@google.com>
9616         * script-sections.h: Include <list>.
9617         (class Script_sections): Change Sections_elements from std::vector
9618         to std::list.  Typedef public Elements_iterator.  Add
9619         orphan_section_placement_, data_segment_align_start_, and
9620         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9621         field.
9622         * script-sections.cc (class Orphan_section_placement): New class.
9623         (class Sections_element): Add virtual functions is_relro and
9624         orphan_section_init.  Remove virtual function place_orphan_here.
9625         (class Output_section_definition): Add is_relro and
9626         orphan_section_init.  Remove place_orphan_here.
9627         (class Orphan_output_section): Likewise.
9628         (Script_sections::Script_sections): Update for field changes.
9629         (Script_sections::data_segment_align): Set saw_data_segment_align_
9630         and data_segment_align_start_, not data_segment_align_index.
9631         (Script_sections::data_segment_relro_end): Check
9632         saw_data_segment_align_.  Use data_segment_align_start_ rather
9633         than data_segment_align_index_.
9634         (Script_sections::place_orphan): Rewrite to use
9635         Orphan_section_placement.
9637 2009-03-17  Ian Lance Taylor  <iant@google.com>
9639         * archive.cc (Archive::add_symbols): Check for a version attached
9640         to the symbol name in the archive map.
9641         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9642         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9643         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9644         (ver_test_11.a): New target.
9645         * testsuite/Makefile.in: Rebuild.
9647         * configure.ac: Check for chsize and posix_fallocate.  Replace
9648         ftruncate.
9649         * ftruncate.c: New file, from gnulib.
9650         * output.cc (posix_fallocate): Define dummy version if not
9651         HAVE_POSIX_FALLOCATE.
9652         (Output_file::map): Call posix_fallocate rather than lseek and
9653         write.
9654         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9655         * configure, Makefile.in, config.in: Rebuild.
9657 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9659         * layout.h (Layout::create_note): Add section_name parameter.
9660         * layout.cc (Layout::create_note): Likewise.
9661         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9663 2009-03-17  Ian Lance Taylor  <iant@google.com>
9665         * descriptors.cc: Include "options.h".
9666         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9667         (Descriptors::open): Always use O_CLOEXEC when opening a new
9668         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9669         then set FD_CLOEXEC.
9671         * sparc.cc (class Target_sparc): Add has_got_section.
9672         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9673         make sure we have a GOT section.
9675         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9676         (Target_sparc::Scan::local): Likewise.
9677         (Target_sparc::Scan::global): Likewise.
9678         (Target_sparc::Relocate::relocate): Likewise.
9679         (Target_sparc::Relocate::relocate_tls): Likewise.
9681         * symtab.cc (Symbol_table::define_default_version): New function,
9682         broken out of add_from_object.
9683         (Symbol_table::add_from_object): Call define_default_version.
9684         (Symbol_table::define_special_symbol): Add resolve_oldsym
9685         parameter.  Change all callers.  If the version for a symbol comes
9686         from a version script, resolve it with the symbol with the same
9687         name with no version.  Also add the symbol without a version if
9688         appropriate.
9689         (do_define_in_output_data): If resolving with oldsym, don't delete
9690         sym.
9691         (do_define_in_output_segment): Likewise.
9692         (do_define_as_constant): Likewise.
9693         * symtab.h (class Symbol_table): Update declarations.
9695 2009-03-13  Ian Lance Taylor  <iant@google.com>
9697         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9698         (Read_symbols::requeue): New function.
9699         (Read_symbols::do_read_symbols): If make_elf_object fails because
9700         the target type is not configured, and the file was searched for,
9701         issue a warning and retry with the next directory.
9702         (Add_symbols::run): If the file has an incompatible format, and
9703         it was searched for, requeue the Read_symbols task.  On error,
9704         release the object.
9705         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9706         dirindex parameter to constructor.  Change all callers.  Declare
9707         incompatible_warning and requeue.
9708         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9709         input_argument_ and input_group_ fields.  Add them to
9710         constructor.  Change all callers.
9711         (class Read_script): Add dirindex_ field.  Add it to constructor.
9712         Change all callers.
9713         * archive.cc (Archive::setup): Remove input_objects parameter.
9714         Change all callers.
9715         (Archive::get_file_and_offset): Likewise.
9716         (Archive::read_all_symbols): Likewise.
9717         (Archive::read_symbols): Likewise.
9718         (Archive::get_elf_object_for_member): Remove input_objects
9719         parameter.  Add punconfigured parameter.  Change all callers.
9720         (Archive::add_symbols): Change return type to bool.  Check return
9721         value of include_member.
9722         (Archive::include_all_members): Likewise.
9723         (Archive::include_member): Change return type to bool.  Return
9724         false if first included object has incompatible target.  Set
9725         included_member_ field.
9726         (Add_archive_symbols::run): If add_symbols returns false, requeue
9727         Read_symbols task.
9728         * archive.h (class Archive): Add included_member_ field.
9729         Initialize it in constructor.  Add input_file and searched_for
9730         methods.  Update declarations.
9731         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9732         input_argument_ fields.  Add them to constructor.  Change all
9733         callers.
9734         * script.cc: Include "target-select.h".
9735         (class Parser_closure): Add skip_on_incompatible_target_ and
9736         found_incompatible_target_ fields.  Add
9737         skip_on_incompatible_target parameter to constructor.  Change all
9738         callers.  Add methods skip_on_incompatible_target,
9739         clear_skip_on_incompatible_target, found_incompatible_target, and
9740         set_found_incompatible_target.
9741         (read_input_script): Add dirindex parameter.  Change all callers.
9742         If parser finds an incompatible target, requeue Read_symbols
9743         task.
9744         (script_set_symbol): Clear skip_on_incompatible_target in
9745         closure.
9746         (script_add_assertion, script_parse_option): Likewise.
9747         (script_start_sections, script_add_phdr): Likewise.
9748         (script_check_output_format): New function.
9749         * script.h (read_input_script): Update declaration.
9750         * script-c.h (script_check_output_format): Declare.
9751         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9752         (ignore_cmd): Remove OUTPUT_FORMAT.
9753         * fileread.cc (Input_file::Input_file): Add explicit this.
9754         (Input_file::will_search_for): New function.
9755         (Input_file::open): Add pindex parameter.  Change all callers.
9756         * fileread.h (class Input_file): Add input_file_argument method.
9757         Declare will_search_for.  Update declarations.
9758         * object.cc (make_elf_object): Add punconfigured parameter.
9759         Change all callers.
9760         * object.h (class Object): Make input_file public.  Add
9761         searched_for method.
9762         (make_elf_object): Update declaration.
9763         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9764         restart search.
9765         * dirsearch.h (class Dirsearch): Update declaration.
9766         * options.h (class General_options): Add --warn-search-mismatch.
9767         * parameters.cc (Parameters::is_compatible_target): New function.
9768         * parameters.h (class Parameters): Declare is_compatible_target.
9769         * workqueue.cc (Workqueue::add_blocker): New function.
9770         * workqueue.h (class Workqueue): Declare add_blocker.
9772         * fileread.cc (Input_file::open): Remove options parameter.
9773         Change all callers.
9774         (Input_file::open_binary): Likewise.
9775         * script.cc (read_input_script): Likewise.
9776         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9777         options parameter from constructor.  Change all callers.
9778         (class Read_script): Likewise.
9779         * fileread.h (class Input_file): Update declarations.
9780         * script.h (read_input_script): Update declaration.
9782 2009-03-10  Nick Clifton  <nickc@redhat.com>
9784         * po/es.po: New Spanish translation.
9786 2009-03-06  Cary Coutant  <ccoutant@google.com>
9788         * options.cc (parse_short_option): Keep dash_z from registering itself.
9790 2009-03-03  Ian Lance Taylor  <iant@google.com>
9792         PR 9918
9793         * target-reloc.h (relocate_section): Pass output_section to
9794         relocate.
9795         * i386.cc (Target_i386::should_apply_static_reloc): Add
9796         output_section parameter.  Change all callers.
9797         (Target_i386::Relocate::relocate): Add output_section parameter.
9798         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9799         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9800         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9801         * testsuite/two_file_shared.sh: New script.
9802         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9803         (check_DATA): Add two_file_shared.dbg.
9804         (two_file_shared.dbg): New target.
9805         * testsuite/Makefile.in: Rebuild.
9807 2009-03-01  Ian Lance Taylor  <iant@google.com>
9809         * configure.ac: Check for byteswap.h.
9810         * configure: Rebuild.
9811         * config.in: Rebuild.
9813 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9815         * layout.cc (Layout::find_or_add_kept_section): New function.
9816         (Layout::add_comdat): Removed.
9817         * layout.h (struct Kept_section): Move out of class Layout.
9818         Remove trailing underscores from field names.  Add group_sections
9819         field.  Rename group_ field to is_group.  Change all uses.
9820         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9821         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9822         comdat_groups_ field.
9823         (Sized_relobj::include_section_group): Use
9824         find_or_add_kept_section and Kept_section::group_sections.
9825         (Sized_relobj::include_linkonce_section): Likewise.
9826         * object.cc (class Sized_relobj): Don't define Comdat_group or
9827         Comdat_group_table.  Remove find_comdat_group and
9828         add_comdat_group.  Remove comdat_groups_ field.
9829         * plugin.cc (include_comdat_group): Use
9830         Layout::find_or_add_kept_section.
9832 2009-02-28  Ian Lance Taylor  <iant@google.com>
9834         * README: --gc-sections and map files are now supported.  Document
9835         some build requirements.
9837         PR 6992
9838         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9839         relocatable link set the value of the section symbol to zero.
9840         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9841         relocatable link don't include the section address in the local
9842         symbol value.
9844 2009-02-27  Ian Lance Taylor  <iant@google.com>
9846         PR 6811
9847         * options.h (class Search_directory): Add is_system_directory.
9848         (class General_options): Declare is_in_system_directory.
9849         * options.cc (get_relative_sysroot): Make static.
9850         (get_default_sysroot): Make static.
9851         (General_optoins::is_in_system_directory): New function.
9852         * fileread.cc (Input_file::is_in_system_directory): New function.
9853         * fileread.h (class Input_file): Declare is_in_system_directory.
9854         * object.h (class Object): Add is_in_system_directory.
9855         (class Input_objects): Remove system_library_directory_ field.
9856         * object.cc (Input_objects::add_object): Don't set
9857         system_library_directory_.
9858         (input_objects::found_in_system_library_directory): Remove.
9859         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9860         parameter.  Change all callers.
9861         (Symbol_table::sized_write_globals): Likewise.
9862         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9863         Call Object::is_in_system_directory.
9864         * symtab.h (class Symbol_table): Update declarations.
9866         PR 5990
9867         * descriptors.h (Open_descriptor): Add is_on_stack field.
9868         * descriptors.cc (Descriptors::open): If the descriptor is on the
9869         top of the stack, remove it.  Initialize is_on_stack field.
9870         (Descriptors::release): Only add pod to stack if it is not on the
9871         stack already.
9872         (Descriptors::close_some_descriptor): Clear stack_next and
9873         is_on_stack fields.
9875         PR 7091
9876         * output.cc (Output_section::find_starting_output_address): Rename
9877         from starting_output_address; add PADDR parameter; change return
9878         type.
9879         * output.h (class Output_section): Declare
9880         find_starting_output_address instead of starting_output_address.
9881         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9882         section symbol for which we can't find a merge section.
9884         PR 9836
9885         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9886         hidden or internal, force the symbol to be local.
9887         * resolve.cc (Symbol::override_visibility): Define.
9888         (Symbol::override_base): Use override_visibility.
9889         (Symbol_table::resolve): Likewise.
9890         (Symbol::override_base_with_special): Likewise.
9891         (Symbol_table::override_with_special): If the visibility is hidden
9892         or internal, force the symbol to be local.
9893         * symtab.h (class Symbol): Add set_visibility and
9894         override_visibility.
9895         * testsuite/ver_test_1.sh: New file.
9896         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9897         (check_DATA): Add ver_test_1.syms.
9898         (ver_test_1.syms): New target.
9899         * testsuite/Makefile.in: Rebuild.
9901 2009-02-25  Cary Coutant  <ccoutant@google.com>
9903         * layout.cc (Layout::choose_output_section): Don't rename sections
9904         when using a linker script that has a SECTIONS clause.
9905         * Makefile.in: Regenerate.
9907         * testsuite/Makefile.am (script_test_5.sh): New test case.
9908         * testsuite/Makefile.in: Regenerate.
9909         * testsuite/script_test_5.cc: New file.
9910         * testsuite/script_test_5.sh: New file.
9911         * testsuite/script_test_5.t: New file.
9913 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9915         * archive.cc (Archive::include_member): Update calls to add_symbols.
9916         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9917         the Layout argument.
9918         * dynobj.h (do_add_symbols): Add the Layout argument.
9919         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9920         Layout argument.
9921         * object.h (Object::add_symbols): Add the Layout argument.
9922         (Object::do_add_symbols): Add the Layout argument.
9923         (Sized_relobj::do_add_symbols): Add the Layout argument.
9924         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9925         Unify the two versions.
9926         (Add_plugin_symbols): Remove.
9927         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9928         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9929         (Add_plugin_symbols): Remove.
9930         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9931         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9932         (Add_symbols::run): Make it work with Pulginobj.
9934 2009-02-06  Ian Lance Taylor  <iant@google.com>
9936         * object.cc (Sized_relobj::do_layout): Make info message start
9937         with lower case letter.
9939 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9941         * binary.cc: Fix file comment.
9943         * options.h (enum Incremental_disposition): Define.
9944         (class General_options): Add new options: --incremental,
9945         --incremental_changed, --incremental_unchanged,
9946         --incremental_unknown.  Add incremental_disposition_ and
9947         implicit_incremental_ fields.
9948         (General_options::incremental_disposition): New function.
9949         (class Position_dependent_options): Add incremental_disposition
9950         option.
9951         (Position_dependent_options::copy_from_options): Set incremental
9952         dispositions.
9953         * options.cc (General_options::parse_incremental_changed): New
9954         function.
9955         (General_options::parse_incremental_unchanged): New function.
9956         (General_options::parse_incremental_unknown): New function.
9957         (General_options::General_options): Initialize new fields
9958         incremental_disposition_ and implicit_incremental_.
9959         (General_options::finalize): Check for uasge of --incremental-*
9960         without --incremental.
9962 2009-02-06  Chris Demetriou  <cgd@google.com>
9964         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9965         pointer and to report location as the file name associated with
9966         the symbol.
9967         (gold_undefined_symbol_at_location): New function to replace the
9968         old gold_undefined_symbol functionality.
9969         * target-reloc.h (relocate_section): Update to use
9970         gold_undefined_symbol_at_location.
9971         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9972         Call gold_undefined_symbol function rather than gold_error.
9973         * errors.h (Errors::undefined_symbol): Take location as a
9974         string, rather than calculating it from a relocation.
9975         * errors.cc (Errors::fatal): Print "fatal error:" before the
9976         formatted message.
9977         (Errors::error, Errors::error_at_location): Print "error: "
9978         before the formatted message.
9979         (Errors::undefined_symbol): Take location as a string, rather
9980         than calculating it from a relocation.
9981         (gold_undefined_symbol_at_location): New function akin to
9982         old gold_undefined_symbol, calculates location from relocation.
9983         (gold_undefined_symbol): Change to take only a Symbol pointer
9984         and to report location as the file name associated with the symbol.
9985         * testsuite/debug_msg.sh: Update for changed error messages.
9986         * testsuite/undef_symbol.sh: Likewise.
9988 2009-02-04  Duncan Sands  <baldrick@free.fr>
9990         PR 9812
9991         * reduced_debug_output.h
9992         (Output_reduced_debug_abbrev_section::failed): Use format for
9993         gold_warning.
9994         (Output_reduced_debug_info_section::faild): Likewise.
9996 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9998         * script.cc (Lazy_demangler): New class.
9999         (Version_script_info::get_symbol_version_helper): Demangle a
10000         symbol only once.
10002 2009-01-29  Cary Coutant  <ccoutant@google.com>
10004         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10005         to __tls_get_addr.
10006         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10008 2009-01-28  Ian Lance Taylor  <iant@google.com>
10010         * version.cc (version_string): Bump to 1.9.
10012         * gold.h: Include <cstring> and <stdint.h>.
10013         * version.cc: Include <cstdio>.
10014         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10015         warning.
10016         * reduced_debug_output.cc (insert_into_vector): Rename from
10017         Insert_into_vector; change all callers.  Use Swap_unaligned to
10018         avoid aliasing issue; remove union since it is unnecessary.
10020 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10022         * Makefile.am (CCFILES): Add gc.cc.
10023         (HFILES): Add gc.h.
10024         * Makefile.in: Regenerate.
10025         * gold.cc (Gc_runner): New class.
10026         (queue_initial_tasks): Call garbage collection related tasks
10027         when corresponding options are invoked.
10028         (queue_middle_gc_tasks): New function.
10029         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10030         processed early before laying out sections during garbage collection.
10031         * gold.h (queue_middle_gc_tasks): New function.
10032         (is_prefix_of): Move from "layout.cc".
10033         * i386.cc (Target_i386::gc_process_relocs): New function.
10034         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10035         * main.cc (main): Create object of class "Garbage_collection".
10036         * object.cc (Relobj::copy_symbols_data): New function.
10037         (Relobj::is_section_name_included): New function.
10038         (Sized_relobj::do_layout): Allow this function to be called twice
10039         during garbage collection and defer layout of section during the
10040         first call.
10041         * object.h (Relobj::get_symbols_data): New function.
10042         (Relobj::is_section_name_included): New function.
10043         (Relobj::copy_symbols_data): New function.
10044         (Relobj::set_symbols_data): New function.
10045         (Relobj::get_relocs_data): New function.
10046         (Relobj::set_relocs_data): New function.
10047         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10048         (Relobj::gc_process_relocs): New function.
10049         (Relobj::do_gc_process_relocs): New pure virtual function.
10050         (Relobj::sd_): New data member.
10051         (Sized_relobj::is_output_section_offset_invalid): New function.
10052         (Sized_relobj::do_gc_process_relocs): New function.
10053         * options.h (General_options::gc_sections): Modify to not be a no-op.
10054         (General_options::print_gc_sections): New option.
10055         * plugin.cc (Plugin_finish::run): Remove function call to
10056         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10057         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10058         * reloc.cc (Read_relocs::run): Add task to process relocs and
10059         determine unreferenced sections when doing garbage collection.
10060         (Gc_process_relocs): New class.
10061         (Sized_relobj::do_gc_process_relocs): New function.
10062         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10063         sections that are garbage collected.
10064         * reloc.h (Gc_process_relocs): New class.
10065         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10066         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10067         symbols whose corresponding sections are garbage collected.
10068         (Symbol_table::Symbol_table): Add new parameter for the garbage
10069         collection object.
10070         (Symbol_table::gc_mark_undef_symbols): New function.
10071         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10072         (Symbol_table::gc_mark_dyn_syms): New function.
10073         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10074         as garbage.
10075         (Symbol_table::add_from_object): Likewise.
10076         (Symbol_table::add_from_relobj): When building shared objects, do not
10077         treat externally visible symbols as garbage.
10078         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10079         table information for static and relocatable links.
10080         * symtab.h (Symbol_table::set_gc): New function.
10081         (Symbol_table::gc): New function.
10082         (Symbol_table::gc_mark_undef_symbols): New function.
10083         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10084         (Symbol_table::gc_mark_dyn_syms): New function.
10085         (Symbol_table::gc_): New data member.
10086         * target.h (Sized_target::gc_process_relocs): New pure virtual
10087         function.
10088         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10089         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10091 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10093         * options.h (General_options::gc_sections): Define as a no-op for now.
10094         (General_options::no_keep_memory): Ditto.
10095         (General_options::Bshareable): Define.
10096         * options.cc (General_options::finalize): Honor -Bshareable.
10098 2009-01-20  Andreas Schwab  <schwab@suse.de>
10100         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10101         read the value in the contents, since we don't use it.  Use the
10102         template endianness when writing.
10103         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10105 2009-01-19  Andreas Schwab  <schwab@suse.de>
10107         * configure.tgt (powerpc64-*): Fix targ_obj.
10109 2009-01-15  Ian Lance Taylor  <iant@google.com>
10111         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10112         local symbols when stripping all symbols.
10114 2009-01-14  Cary Coutant  <ccoutant@google.com>
10116         * output.cc (Output_reloc): Add explicit instantiations.
10118 2009-01-14  Cary Coutant  <ccoutant@google.com>
10120         * archive.cc (Archive::get_elf_object_for_member): Remove call
10121         to File_read::claim_for_plugin.
10122         * descriptors.cc (Descriptors::open): Remove reference to
10123         is_claimed.
10124         (Descriptors::claim_for_plugin): Remove.
10125         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10126         (Descriptors::is_claimed): Remove.
10127         (claim_descriptor_for_plugin): Remove.
10128         * fileread.cc (File_read::claim_for_plugin): Remove.
10129         * fileread.h (File_read::claim_for_plugin): Remove.
10130         (File_read::descriptor): Reopen descriptor if necessary.
10131         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10132         (Plugin_manager::all_symbols_read): Add task parameter. Change
10133         all callers.
10134         (Plugin_manager::get_input_file): New function.
10135         (Plugin_manager::release_input_file): New function.
10136         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10137         corresponding data member.
10138         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10139         and pass to base constructor. Change all callers.
10140         (get_input_file, release_input_file): New functions.
10141         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10142         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10143         (Plugin_manager::all_symbols_read): Add task parameter.
10144         (Plugin_manager::get_input_file): New function.
10145         (Plugin_manager::release_input_file): New function.
10146         (Plugin_manager::task_): New data member.
10147         (Pluginobj::Pluginobj): Add filesize parameter.
10148         (Pluginobj::filename): New function.
10149         (Pluginobj::descriptor): New function.
10150         (Pluginobj::filesize): New function.
10151         (Pluginobj::filesize_): New data member.
10152         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10153         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10154         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10156         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10157         with archive libraries.
10158         * testsuite/Makefile.in: Regenerate.
10159         * testsuite/plugin_test.c (struct sym_info): New type.
10160         (get_input_file, release_input_file): New static variables.
10161         (onload): Capture new transfer vector entries.
10162         (claim_file_hook): Stop reading at end of file according to filesize.
10163         Factor out parsing of readelf output into separate function.
10164         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10165         APIs and get the source file name from the symbol table.  Convert
10166         source file name to corresponding object file name.  Print info
10167         message when adding new input files.
10168         (parse_readelf_line): New function.
10169         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10170         * testsuite/plugin_test_2.sh: Likewise.
10171         * testsuite/plugin_test_3.sh: Likewise.
10172         * testsuite/plugin_test_4.sh: New test case.
10174 2009-01-07  Ian Lance Taylor  <iant@google.com>
10176         * version.cc (version_string): Bump to 1.8.
10178 2008-12-23  Cary Coutant  <ccoutant@google.com>
10180         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10181         * plugin.cc (Plugin_manager::finish): Rename as
10182         layout_deferred_objects.  Move cleanup to separate function.
10183         (Plugin_manager::cleanup): New function.
10184         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10185         separately.
10186         * plugin.h (Plugin_manager::finish): Rename as
10187         layout_deferred_objects.
10188         (Plugin_manager::cleanup): New function.
10189         (Plugin_manager::cleanup_done): New field.
10191 2008-12-23  Cary Coutant  <ccoutant@google.com>
10193         * plugin.cc (is_visible_from_outside): New function.
10194         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10195         so we don't return "IR only" status for exported symbols or -r links.
10197         * testsuite/Makefile.am (plugin_test_3): New test case.
10198         * testsuite/Makefile.in: Regenerate.
10199         * testsuite/plugin_test_3.sh: New file.
10201 2008-12-22  Cary Coutant  <ccoutant@google.com>
10203         * object.cc (Sized_relobj::layout_section): New function.
10204         (Sized_relobj::do_layout): Defer layout of input sections until after
10205         plugin has provided replacement files.
10206         (Sized_relobj::do_layout_deferred_sections): New function.
10207         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10208         (Relobj::layout_deferred_sections): New function.
10209         (Relobj::do_layout_deferred_sections): New function.
10210         (Sized_relobj::do_layout_deferred_sections): New function.
10211         (Sized_relobj::layout_section): New function.
10212         (Sized_relobj::Deferred_layout): New structure.
10213         (Sized_relobj::deferred_layout_): New field.
10214         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10215         Change all callers.  Layout deferred sections.
10216         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10217         references.
10218         (Plugin_hook::run): Move code from do_plugin_hook inline.
10219         (Plugin_hook::do_plugin_hook): Remove.
10220         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10221         (Plugin_manager::finish): Renamed, was cleanup.
10222         (Plugin_manager::should_defer_layout): New function.
10223         (Plugin_manager::add_deferred_layout_object): New function.
10224         (Plugin_manager::Deferred_layout_list): New type.
10225         (Plugin_manager::deferred_layout_objects_): New field.
10226         (Plugin_hook::do_plugin_hook): Remove.
10228 2008-12-17  Ian Lance Taylor  <iant@google.com>
10230         * options.h (class General_options): Add --no case for
10231         --export-dynamic.
10233 2008-12-16  Cary Coutant  <ccoutant@google.com>
10235         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10236         vector.
10237         (Plugin_manager::claim_file): Create plugin object even if
10238         plugin did not call the add_symbols callback.
10239         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10240         asking for more symbols than were added.
10241         * testsuite/Makefile.am (plugin_test_1): Add test case with
10242         no global symbols.
10243         (empty.syms): New target.
10244         * testsuite/Makefile.in: Regenerate.
10245         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10246         message. Don't call add_symbols if no globals.
10247         (all_symbols_read_hook): Don't provide replacement for empty
10248         claimed file.
10250 2008-12-12  Ian Lance Taylor  <iant@google.com>
10252         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10253         r_type == 0 for a local symbol with r_sym == 0.
10254         (scan_relocatable_relocs): Pass r_sym to
10255         local_non_section_strategy.
10256         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10257         r_sym parameter.
10259         * configure.ac: Update test for TLS descriptors: they are
10260         supported as of glibc 2.9.
10261         * configure: Rebuild.
10263 2008-12-11  Ian Lance Taylor  <iant@google.com>
10265         PR 7091
10266         * target-reloc.h (Default_scan_relocatable_relocs): For each
10267         function, map r_type == 0 to RELOC_DISCARD.
10269 2008-12-10  Cary Coutant  <ccoutant@google.com>
10271         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10272         object to override a kept COMDAT group from a plugin object.
10274 2008-12-09  Ian Lance Taylor  <iant@google.com>
10276         PR 7088
10277         * yyscript.y (file_cmd): Handle INPUT.
10279         * testsuite/initpri1.c: Change all declarations to be full
10280         prototypes by adding void, to avoid compiler warnings.
10282 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10284         * options.cc (General_options::parse_plugin_opt): New.
10285         (General_options::add_plugin): The argument now is just the filename.
10286         (General_options::add_plugin_option): New.
10287         * options.h (plugin_opt): New.
10288         (add_plugin): Change argument name.
10289         (add_plugin_option): New.
10290         * plugin.cc (Plugin::load): Don't parse the plugin option.
10291         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10292         (Plugin::add_option): New.
10293         (Plugin::args_): Change type.
10294         (Plugin::filename_): New.
10295         (Plugin_manager::add_plugin_option): New.
10296         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10297         * testsuite/Makefile.in: Regenerate.
10299 2008-12-05  Cary Coutant  <ccoutant@google.com>
10301         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10302         Handle --strip-lto-sections option.
10303         * options.h (strip_lto_sections): New option.
10305 2008-12-01  Cary Coutant  <ccoutant@google.com>
10307         * plugin.cc (ld_plugin_message): Change format parameter to const.
10308         Fix mismatch between new[] and delete.
10310 2008-11-14  Cary Coutant  <ccoutant@google.com>
10312         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10313         instead of -1U.
10315 2008-11-05  Craig Silverstein  <csilvers@google.com>
10317         * options.cc (General_options::parse_dynamic_list): New function.
10318         * options.h (General_options): New flags dynamic_list,
10319         dynamic_list_data, dynamic_list_cpp_new, and
10320         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10321         (General_options::in_dynamic_list): New function.
10322         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10323         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10324         (Lex::can_continue_name): Likewise.
10325         (yylex): Likewise.
10326         (read_script_file): New parameter script_options.
10327         (read_dynamic_list): New function.
10328         (Script_options::define_dynamic_list): New function.
10329         (dynamic_list_keyword_parsecodes): New variable.
10330         (dynamic_list_keywords): New variable.
10331         * script.h (Script_options::define_dynamic_list): New function
10332         prototype.
10333         (read_dynamic_list): New function prototype.
10334         * symtab.cc (strprefix): New macro.
10335         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10336         dynamic_list_data, dynamic_list_cpp_new, and
10337         dynamic_list_cpp_typeinfo.
10338         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10339         (dynamic_list_expr): New rule.
10340         (dynamic_list_nodes): Likewise.
10341         (dynamic_list_node): Likewise.
10342         * testsuite/Makefile.am (dynamic_list): New test.
10343         * testsuite/Makefile.in: Regenerated.
10344         * testsuite/dynamic_list.t: New file.
10345         * testsuite/dynamic_list.sh: New file.
10347 2008-11-05  Craig Silverstein  <csilvers@google.com>
10349         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10350         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10351         (t11_last): Likewise.
10352         * testsuite/ver_test_6.c (main): Likewise.
10354 2008-10-07  Cary Coutant  <ccoutant@google.com>
10356         * options.c (General_options::finalize): Add check for -static and
10357         -shared.
10358         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10359         is not empty.
10361 2008-10-02  Cary Coutant  <ccoutant@google.com>
10363         * plugin.cc (make_sized_plugin_object): Fix conditional
10364         compilation to work when not all targets are enabled.
10366 2008-09-29  Cary Coutant  <ccoutant@google.com>
10368         * archive.cc (Archive::get_file_and_offset): Use filename instead
10369         of name to get library path.
10370         (Archive::include_member): Unlock external member of a thin archive.
10372         * testsuite/Makefile.am (TEST_AR): New variable.
10373         (thin_archive_test_1): New test.
10374         (thin_archive_test_2): New test.
10375         * testsuite/Makefile.in: Regenerate.
10376         * testsuite/thin_archive_main.cc: New file.
10377         * testsuite/thin_archive_test_1.cc: New file.
10378         * testsuite/thin_archive_test_2.cc: New file.
10379         * testsuite/thin_archive_test_3.cc: New file.
10380         * testsuite/thin_archive_test_4.cc: New file.
10382 2008-09-29  Cary Coutant  <ccoutant@google.com>
10384         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10385         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10386         instead of -1U.
10387         (Sized_relobj::do_finalize_local_symbols): Likewise.
10388         (Sized_relobj::map_to_kept_section): Likewise.
10389         * object.h (Sized_relobj::invalid_address): New constant.
10390         (Sized_relobj::do_output_section_offset): Check for invalid_address
10391         and return -1ULL.
10392         * output.cc (Output_reloc::local_section_offset): Use constant
10393         invalid_address instead of -1U.
10394         (Output_reloc::get_address): Likewise.
10395         (Output_section::output_address): Change -1U to -1ULL.
10396         * output.h (Output_reloc::invalid_address): New constant.
10397         * reloc.cc (Sized_relobj::write_sections): Use constant
10398         invalid_address instead of -1U.
10399         (Sized_relobj::relocate_sections): Likewise.
10400         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10401         values for merge sections.
10402         * target-reloc.h (relocate_for_relocatable): Use constant
10403         invalid_address instead of -1U.
10405 2008-09-19  Cary Coutant  <ccoutant@google.com>
10407         Add plugin functionality for link-time optimization (LTO).
10408         * configure.ac (plugins): Add --enable-plugins option.
10409         * configure: Regenerate.
10410         * config.in: Regenerate.
10411         * Makefile.am (LIBDL): New variable.
10412         (CCFILES): Add plugin.cc.
10413         (HFILES): Add plugin.h.
10414         (ldadd_var): Add LIBDL.
10415         * Makefile.in: Regenerate.
10417         * archive.cc: Include "plugin.h".
10418         (Archive::setup): Don't preread archive symbols when using a plugin.
10419         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10420         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10421         files.
10422         (Archive::include_member): Add symbols from plugin objects.
10423         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10424         * descriptors.cc (Descriptors::open): Check for file descriptors
10425         abandoned by plugins.
10426         (Descriptors::claim_for_plugin): New function.
10427         * descriptors.h (Descriptors::claim_for_plugin): New function.
10428         (Open_descriptor::is_claimed): New field.
10429         (claim_descriptor_for_plugin): New function.
10430         * fileread.cc (File_read::claim_for_plugin): New function.
10431         * fileread.h (File_read::claim_for_plugin): New function.
10432         (File_read::descriptor): New function.
10433         * gold.cc: Include "plugin.h".
10434         (queue_initial_tasks): Add task to call plugin hooks for generating
10435         new object files.
10436         * main.cc: Include "plugin.h".
10437         (main): Load plugin libraries.
10438         * object.h (Pluginobj): Declare.
10439         (Object::pluginobj): New function.
10440         (Object::do_pluginobj): New function.
10441         (Object::set_target): New function.
10442         * options.cc: Include "plugin.h".
10443         (General_options::parse_plugin): New function.
10444         (General_options::General_options): Initialize plugins_ field.
10445         (General_options::add_plugin): New function.
10446         * options.h (Plugin_manager): Declare.
10447         (General_options): Add --plugin option.
10448         (General_options::has_plugins): New function.
10449         (General_options::plugins): New function.
10450         (General_options::add_plugin): New function.
10451         (General_options::plugins_): New field.
10452         * plugin.cc: New file.
10453         * plugin.h: New file.
10454         * readsyms.cc: Include "plugin.h".
10455         (Read_symbols::do_read_symbols): Check for archive before checking
10456         for ELF file.  Call plugin hooks to claim files.
10457         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10458         from a real object file; force override when processing replacement
10459         files.
10460         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10461         (Symbol::init_base_object): Likewise.
10462         (Symbol::init_base_output_data): Likewise.
10463         (Symbol::init_base_output_segment): Likewise.
10464         (Symbol::init_base_constant): Likewise.
10465         (Symbol::init_base_undefined): Likewise.
10466         (Symbol::output_section): Assert that object is not a plugin.
10467         (Symbol_table::add_from_pluginobj): New function.
10468         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10469         undefined.
10470         (Symbol_table::sized_write_globals): Likewise.
10471         (Symbol_table::add_from_pluginobj): Instantiate template.
10472         * symtab.h (Sized_pluginobj): Declare.
10473         (Symbol::in_real_elf): New function.
10474         (Symbol::set_in_real_elf): New function.
10475         (Symbol::in_real_elf_): New field.
10476         (Symbol_table::add_from_pluginobj): New function.
10478         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10479         (LIBDL): New variable.
10480         (LDADD): Add LIBDL.
10481         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10482         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10483         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10484         (MOSTLYCLEANFILES): Likewise.
10485         * testsuite/Makefile.in: Regenerate.
10486         * testsuite/plugin_test.c: New file.
10487         * testsuite/plugin_test_1.sh: New file.
10488         * testsuite/plugin_test_2.sh: New file.
10490 2008-09-16  Ian Lance Taylor  <iant@google.com>
10492         * target-reloc.h (relocate_section): Check whether a symbol is
10493         defined by the ABI before reporting an undefined symbol error.
10494         * target.h (Target::is_defined_by_abi): Make parameter const.
10495         (Target::do_is_defined_by_abi): Likewise.
10496         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10497         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10498         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10499         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10500         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10501         * testsuite/Makefile.in: Rebuild.
10503         * fileread.cc (make_view): Add casts to avoid warning.
10505 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10507         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10508         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10510 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10512         * options.h (General_options::output_is_executable): New.
10513         (General_options::output_is_pie): New.
10514         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10515         for shared libraries.
10516         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10518 2008-09-11  Chris Demetriou  <cgd@google.com>
10520         * options.h (origin): New -z option.
10521         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10522         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10523         in DT_FLAGS_1.
10525 2008-09-05  Cary Coutant  <ccoutant@google.com>
10527         * fileread.cc (File_read::make_view): Add check for attempt to map
10528         beyond end of file.
10530 2008-09-05  Cary Coutant  <ccoutant@google.com>
10532         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10533         explicit instantiations.
10535 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10537         PR gold/6858
10538         * options.cc (General_options::finalize): Allow undefined symbols
10539         in shlibs if linking -shared.
10541         PR gold/6859
10542         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10543         symbols as not needing a dynsym entry.
10545 2008-08-20  Craig Silverstein  <csilvers@google.com>
10547         * fileread.cc (File_read::open): Do not lock the file unless it
10548         was successfully opened.
10550 2008-08-14  Cary Coutant  <ccoutant@google.com>
10552         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10553         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10554         * testsuite/tls_test.cc (struct int128): 128-bit struct
10555         for testing TLS relocs with non-zero addend.
10556         (v12): New TLS variable.
10557         (t12): New test.
10558         (t_last): Add check for v12.
10559         * testsuite/tls_test.h (t12): New function.
10560         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10562 2008-08-13  Ian Lance Taylor  <iant@google.com>
10564         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10565         set tls_segment_ or relro_segment_.
10566         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10567         when appropriate.
10568         * output.h (Output_section::clear_is_relro): New function.
10569         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10570         sections specially even when output_data_ is empty.
10571         (Output_segment::maximum_alignment): When first section is relro,
10572         only force alignment for PT_LOAD segments.
10573         * script.cc (script_data_segment_align): New function.
10574         (script_data_segment_relro_end): New function.
10575         * script-c.h (script_data_segment_align): Declare.
10576         (script_data_segment_relro_end): Declare.
10577         * script-sections.h (class Script_sections): Declare
10578         data_segment_align and data_segment_relro_end.  Add fields
10579         segment_align_index_ and saw_relro_end_.
10580         * script-sections.cc (class Sections_element): Add set_is_relro
10581         virtual function.  Add new bool* parameter to place_orphan_here.
10582         Add get_output_section virtual function.
10583         (class Output_section_definition): Add set_is_relro.  Add new
10584         bool* parameter to place_orphan_here.  Add get_output_section.
10585         Add is_relro_ field.
10586         (Output_section_definition::Output_section_definition): Initialize
10587         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10588         and is_relro_ fields.
10589         (Output_section_definition::place_orphan_here): Add is_relro
10590         parameter.
10591         (Output_section_definition::set_section_addresses): Set relro for
10592         output section.
10593         (Output_section_definition::alternate_constraint): Likewise.
10594         (class Orphan_output_section): Add new bool* parameter to
10595         place_orphan_here.  Add get_output_section.
10596         (Orphan_output_section::place_orphan_here): Add is_relro
10597         parameter.
10598         (Script_sections::Script_sections): Initialize
10599         data_segment_align_index_ and saw_relro_end_.
10600         (Script_sections::data_segment_align): New function.
10601         (Script_sections::data_segment_relro_end): New function.
10602         (Script_sections::place_orphan): Set or clear is_relro.
10603         (Script_sections::set_section_addresses): Force alignment of first
10604         TLS section.
10605         * yyscript.y (exp): Call script_data_segment_align and
10606         script_data_segment_relro_end.
10607         * testsuite/relro_script_test.t: New file.
10608         * testsuite/relro_test.cc (using_script): Declare.
10609         (t1, t2): Test using_script.
10610         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10611         (relro_script_test_SOURCES): Define.
10612         (relro_script_test_DEPENDENCIES): Define.
10613         (relro_script_test_LDFLAGS): Define.
10614         (relro_script_test_LDADD): Define.
10615         (relro_script_test.so): New target.
10616         * testsuite/Makefile.in: Rebuild.
10618 2008-08-06  Cary Coutant <ccoutant@google.com>
10620         * archive.cc (Archive::total_archives, Archive::total_members)
10621         (Archive::total_members_loaded): New variables.
10622         (Archive::setup): Add parameter.  Add option to preread
10623         archive symbols.
10624         (Archive::read_armap): Add counter.
10625         (Archive::get_file_and_offset): New function.
10626         (Archive::get_elf_object_for_member): New function.
10627         (Archive::read_all_symbols): New function.
10628         (Archive::read_symbols): New function.
10629         (Archive::add_symbols): Add counters.
10630         (Archive::include_all_members): Use armap to find members if it's
10631         already built.
10632         (Archive::include_member): Skip reading symbols if already read.
10633         Factored code into Archive::get_file_and_offset and
10634         Archive::get_elf_object_for_member.  Changed call to
10635         Mapfile::report_include_archive_member.
10636         (Archive::print_stats): New function.
10637         * archive.h: Declare Object and Read_symbols_data classes.
10638         (Archive::Archive): Add initializers for new members.
10639         (Archive::setup): Add parameter.
10640         (Archive::print_stats): New function.
10641         (Archive::total_archives, Archive::total_members)
10642         (Archive::total_members_loaded): New variables.
10643         (Archive::get_file_and_offset): New function.
10644         (Archive::get_elf_object_for_member): New function.
10645         (Archive::read_all_symbols): New function.
10646         (Archive::read_symbols): New function.
10647         (Archive::Archive_member): New class.
10648         (Archive::members_): New member.
10649         (Archive::num_members_): New member.
10650         * main.cc: Include archive.h.
10651         (main): Call Archive::print_stats.
10652         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10653         archive parameter; member_name is now the fully-decorated name.
10654         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10655         * options.h: (General_options): Add --preread-archive-symbols option.
10656         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10657         Archive::setup.
10659 2008-08-04  Ian Lance Taylor  <iant@google.com>
10661         * symtab.h (Symbol::use_plt_offset): New function.
10662         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10663         * powerpc.cc (Relocate::relocate): Likewise.
10664         * sparc.cc (Relocate::relocate): Likewise.
10665         * x86_64.cc (Relocate::relocate): Likewise.
10666         * testsuite/weak_plt.sh: New test.
10667         * testsuite/weak_plt_main.cc: New test.
10668         * testsuite/weak_plt_shared.cc: New test.
10669         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10670         (check_PROGRAMS): Add weak_plt.
10671         (check_DATA): Add weak_plt_shared.so.
10672         (weak_plt_main_pic.o, weak_plt): New targets.
10673         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10674         * testsuite/Makefile.in: Rebuild.
10676         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10677         gcctestdir/ld.
10678         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10679         * testsuite/Makefile.in: Rebuild.
10681 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10683         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10684         * Makefile.in: Regenerate.
10685         * po/POTFILES.in: Regenerate.
10687 2008-07-29  Ian Lance Taylor  <iant@google.com>
10689         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10690         symbols before other symbols.
10691         * testsuite/script_test_2.cc (test_addr): Declare.
10692         (test_addr_alias): Declare.
10693         (main): Check that test_addr and test_addr_alias have the right
10694         values.
10695         * testsuite/script_test_2.t: Define test_addr_alias and
10696         test_addr.
10698 2008-07-24  Ian Lance Taylor  <iant@google.com>
10700         PR 5990
10701         * descriptors.cc: New file.
10702         * descriptors.h: New file.
10703         * gold-threads.h (class Hold_optional_lock): New class.
10704         * fileread.cc: Include "descriptors.h".
10705         (File_read::~File_read): Release descriptor rather than closing
10706         it.
10707         (File_read::open) [file]: Call open_descriptor rather than open.
10708         Set is_descriptor_opened_.
10709         (File_read::open) [memory]: Assert that descriptor is not open.
10710         (File_read::reopen_descriptor): New function.
10711         (File_read::release): Release descriptor.
10712         (File_read::do_read): Make non-const.  Reopen descriptor.
10713         (File_read::read): Make non-const.
10714         (File_read::make_view): Reopen descriptor.
10715         (File_read::do_readv): Likewise.
10716         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10717         Update declarations.
10718         * layout.cc: Include "descriptors.h".
10719         (Layout::create_build_id): Use open_descriptor rather than open.
10720         * output.cc: Include "descriptors.h".
10721         (Output_file::open): Use open_descriptor rather than open.
10722         * archive.cc (Archive::const_iterator): Change Archive to be
10723         non-const.
10724         (Archive::begin, Archive::end): Make non-const.
10725         (Archive::count_members): Likewise.
10726         * archive.h (class Archive): Update declarations.
10727         * object.h (Object::read): Make non-const.
10728         * Makefile.am (CCFILES): Add descriptors.cc.
10729         (HFILES): Add descriptors.h.
10730         * Makefile.in: Rebuild.
10732         PR 6716
10733         * gold.h: Always include <clocale>.  Add Solaris workarounds
10734         following code in binutils/sysdep.h.
10736         PR 6048
10737         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10738         this->eh_frame_hdr_ is NULL before using it.
10740         * dynobj.cc (Versions::Versions): Update comment.
10742         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10743         the base version name.
10745         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10746         array size plus one.
10747         (Stringpool_template::set_string_offsets): Subtract one from key
10748         before using it as an array index.
10749         (Stringpool_template::get_offset_with_length): Likewise.
10750         (Stringpool_template::write_to_buffer): Likewise.
10751         * stringpool.h (Stringpool_template::get_offset_from_key):
10752         Likewise.
10754 2008-07-23  Ian Lance Taylor  <iant@google.com>
10756         PR 6658
10757         * object.h (Merged_symbol_value::value): Do our best to handle a
10758         negative addend.
10760         PR 6647
10761         * script.cc (Version_script_info::get_versions): Don't add empty
10762         version tag to return value.
10763         (Version_script_info::get_symbol_version_helper): Change return
10764         type to bool.  Add pversion parameter.  Change all callers.
10765         (script_register_vers_node): Don't require a non-NULL tag.
10766         * script.h (class Version_script_info): Update declarations.
10767         (Version_script_info::get_symbol_version): Change return type to
10768         bool.  Add version parameter.  Change all callers.
10769         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10770         handling.  Handle an empty version from a version script.
10771         (Symbol_table::define_special_symbol): Likewise.
10772         * testsuite/ver_test_10.script: New file.
10773         * testsuite/ver_test_10.sh: New file.
10774         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10775         (check_DATA): Add ver_test_10.syms.
10776         (ver_test_10.syms, ver_test_10.so): New target.
10777         * testsuite/Makefile.in: Rebuild.
10779 2008-07-23  Simon Baldwin  <simonb@google.com>
10781         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10782         to zero for undefined symbols from dynamic libraries.
10784 2008-07-23  Ian Lance Taylor  <iant@google.com>
10786         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10787         Change all callers.
10788         * symtab.h (class Symbol_table): Update declaration.
10789         * testsuite/ver_test_9.cc: New file.
10790         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10791         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10792         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10793         (ver_test_9.so, ver_test_9.o): New targets.
10794         * testsuite/Makefile.in: Rebuild.
10796 2008-07-22  Ian Lance Taylor  <iant@google.com>
10798         * options.h (class General_options): Define --check-sections.
10799         * layout.cc (Layout::set_segment_offsets): Handle
10800         --check-sections.
10802         * options.h (class General_options): Define -n/--nmagic and
10803         -N/--omagic.
10804         * options.cc (General_options::finalize): For -n/--nmagic or
10805         -N/--omagic, set -static.
10806         * layout.cc (Layout::attach_allocated_section_to_segment): If
10807         -N/--omagic, don't put read-only and read-write sections in
10808         different segments.
10809         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10810         finding a read-only segment.
10811         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10812         don't set the minimum segment alignment to the common page size,
10813         and don't set the file offset to the address modulo the page size.
10814         * script-sections.cc (Script_sections::create_segments): If
10815         -n/--omagic, don't put read-only and read-write sections in
10816         different segments.
10818         * cref.cc: New file.
10819         * cref.h: New file.
10820         * options.h (class General_options): Add --print-symbol-counts.
10821         * main.cc (main): Issue defined symbol report if requested.
10822         * archive.cc (Archive::interpret_header): Make into a const member
10823         function.
10824         (Archive::add_symbols): Call Input_objects::archive_start and
10825         archive_stop.
10826         (Archive::const_iterator): Define new class.
10827         (Archive::begin, Archive::end): New functions.
10828         (Archive::include_all_members): Rewrite to use iterator.
10829         (Archive::count_members): New function.
10830         * archive.h (class Archive): Update declarations.
10831         (Archive::filename): New function.
10832         * object.cc: Include "cref.h".
10833         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10834         (Sized_relobj::do_get_global_symbol_counts): New function.
10835         (Input_objects::add_object): Add object to cross-referencer.
10836         (Input_objects::archive_start): New function.
10837         (Input_objects::archive_stop): New function.
10838         (Input_objects::print_symbol_counts): New function.
10839         * object.h: Declare Cref and Archive.
10840         (Object::get_global_symbol_counts): New function.
10841         (Object::do_get_global_symbol_counts): New pure virtual function.
10842         (class Sized_relobj): Add defined_count_ field.  Update
10843         declarations.
10844         (class Input_objects): Add cref_ field.  Update constructor.
10845         Update declarations.
10846         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10847         defined_count_.
10848         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10849         symbol counts.
10850         (Sized_dynobj::do_get_global_symbol_counts): New function.
10851         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10852         defined_count_.  Update declarations.  Define Symbols typedef.
10853         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10854         parameter.  Change all callers.
10855         (Symbol_table::add_from_dynobj): Add sympointers and defined
10856         parameters.  Change all callers.
10857         * symtab.h (class Symbol_table): Update declarations.
10858         * Makefile.am (CCFILES): Add cref.cc.
10859         (HFILES): Add cref.h.
10860         * Makefile.in: Rebuild.
10862 2008-07-22  Simon Baldwin  <simonb@google.com>
10864         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10865         to zero when writing undefined symbols.
10867 2008-07-22  Ian Lance Taylor  <iant@google.com>
10869         * output.cc (Output_section::add_input_section): Don't try to
10870         merge empty merge sections.
10872 2008-07-21  Craig Silverstein  <csilvers@google.com>
10874         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10875         Include symbol version in error message.
10877 2008-07-20  Chris Demetriou  <cgd@google.com>
10879         * configure.ac (gold_cv_c_random_seed): New configured variable.
10880         (RANDOM_SEED_CFLAGS): New substituted variable.
10881         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10882         * configure: Rebuild.
10883         * Makefile.in: Likewise.
10884         * testsuite/Makefile.in: Likewise.
10886 2008-07-18  Ian Lance Taylor  <iant@google.com>
10888         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10889         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10890         * testsuite/ver_test_main.cc (main): Call t4.
10891         (t4, t4_2a): Define.
10892         * testsuite/ver_test_2.cc (t4_2): Define.
10893         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10894         * testsuite/ver_test_4.cc (t4_2a): Define.
10895         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10896         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10898 2008-07-17  Ian Lance Taylor  <iant@google.com>
10900         * dynobj.cc (Versions::add_def): If we give an error about a
10901         missing version, go ahead and create the version anyhow.
10903 2008-07-10  Ian Lance Taylor  <iant@google.com>
10905         Handle output sections with more than 0x7fffffff bytes.
10906         * object.h (class Relobj): Change map_to_output_ to
10907         output_sections_, and just keep a section pointer.  Change all
10908         uses.  Move comdat group support to Sized_relobj.
10909         (Relobj::is_section_specially_mapped): Remove.
10910         (Relobj::output_section): Remove poff parameter.  Change all
10911         callers.
10912         (Relobj::output_section_offset): New function.
10913         (Relobj::set_section_offset): Rewrite.
10914         (Relobj::map_to_output): Remove.
10915         (Relobj::output_sections): New function.
10916         (Relobj::do_output_section_offset): New pure virtual function.
10917         (Relobj::do_set_section_offset): Likewise.
10918         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10919         group support from Relobj.  Update declarations.
10920         (Sized_relobj::get_output_section_offset): New function.
10921         (Sized_relobj::do_output_section_offset): New function.
10922         (Sized_relobj::do_set_section_offset): New function.
10923         * object.cc (Relobj::output_section_address): Remove.
10924         (Sized_relobj::Sized_relobj): Initialize new fields.
10925         (Sized_relobj::include_section_group): Cast find_kept_object to
10926         Sized_relobj.
10927         (Sized_relobj::include_linkonce_section): Likewise.
10928         (Sized_relobj::do_layout): Use separate arrays for output section
10929         and output offset.
10930         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10931         output_sections.
10932         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10933         output_sections and section_offsets.
10934         (Sized_relobj::write_local_symbols): Likewise.
10935         (map_to_kept_section): Compute output address directly.
10936         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10937         output_sections and section_offsets.
10938         (Sized_relobj::write_sections): Likewise.
10939         (Sized_relobj::relocate_sections): Likewise.
10940         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10941         * output.h (class Output_reloc): Update declarations.  Change
10942         u2_.relobj to Sized_relobj*.
10943         (class Output_data_reloc): Change add functions to use
10944         Sized_relobj*.
10945         * output.cc (Output_reloc::Output_reloc): Change relobj to
10946         Sized_relobj*.
10947         (Output_reloc::local_section_offset): Change return type to
10948         Elf_Addr.  Use get_output_section_offset.
10949         (Output_reloc::get_address): Likewise.
10950         (Output_section::is_input_address_mapped): Don't call
10951         is_section_specially_mapped.
10952         (Output_section::output_offset): Likewise.
10953         (Output_section::output_address): Likewise.
10954         (Output_section::starting_output_address): Likewise.
10955         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10956         parameter to Sized_relobj*.
10957         (Copy_relocs::need_copy_reloc): Likewise.
10958         (Copy_relocs::save): Likewise.
10959         * copy-relocs.h (class Copy_relocs): Update declarations.
10960         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10961         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10962         * target-reloc.h (relocate_for_relocatable): Change
10963         offset_in_output_section type to Elf_Addr.  Change code that uses
10964         it as well.
10965         * layout.cc (Layout::layout): Always set *off.
10966         * mapfile.cc (Mapfile::print_input_section): Use
10967         output_section_offset.
10968         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10969         Sized_relobj*.
10970         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10971         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10972         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10974 2008-07-03  Ian Lance Taylor  <iant@google.com>
10976         * layout.cc (Layout::include_section): Do not discard unrecognized
10977         SHT_STRTAB sections.
10979 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10981         * script.cc (Lex::can_continue_name): Make '?' allowable in
10982         version-script names.
10983         * testsuite/version_script.map: Change glob pattern to use '?'
10985 2008-06-30  Manish Singh  <yosh@gimp.org>
10987         PR 6585
10988         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10989         Correct typo.
10991 2008-06-30  Ian Lance Taylor  <iant@google.com>
10993         PR 6660
10994         PR 6682
10995         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10996         versions]: Don't try to read the value in the contents, since we
10997         don't use it.  Use the template endianness when writing.
10999 2008-06-25  Cary Coutant  <ccoutant@google.com>
11001         * fileread.cc (File_read::make_view): Assert on zero-length view.
11002         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11003         symbol table when there are no symbols to read.
11005 2008-06-23  Craig Silverstein  <csilvers@google.com>
11007         * version.cc (version_string): Bump to 1.7
11009 2008-06-18  Craig Silverstein  <csilvers@google.com>
11011         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11012         constant 0xFFFF to type Valtype.
11013         (Powerpc_relocate_functions::rel16_ha): Likewise.
11015 2008-06-17  Ian Lance Taylor  <iant@google.com>
11017         * output.h (Output_section::Input_section): Initialize p2align_ to
11018         zero for Output_section_data constructors.
11019         (Output_section::Input_section::addralign): If not an input
11020         section, return the alignment of the Output_section_data.
11021         * testsuite/copy_test.cc: New file.
11022         * testsuite/copy_test_1.cc: New file.
11023         * testsuite/copy_test_2.cc: New file.
11024         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11025         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11026         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11027         (copy_test_1_pic.o, copy_test_1.so): New targets.
11028         (copy_test_2_pic.o, copy_test_2.so): New targets.
11029         * testsuite/Makefile.in: Rebuild.
11031         * script-sections.cc (Script_sections::place_orphan): Initialize
11032         local variable exact.
11034 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11036         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11038 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11039             David S. Miller  <davem@davemloft.net>
11041         * powerpc.cc: New file.
11042         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11043         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11044         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11045         * Makefile.in: Rebuild.
11047 2008-06-09  Ian Lance Taylor  <iant@google.com>
11049         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11050         <exception>.
11051         (throwing, orig_terminate): New static variables.
11052         (terminate_handler): New static function.
11053         (t2): Set terminate handler.
11055 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11057         PR 6584
11058         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11059         alignment.
11061 2008-05-30  Cary Coutant  <ccoutant@google.com>
11063         * archive.cc (Archive::include_all_members) Correct to step
11064         over symbol table and extended name table in thin archives.
11066 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11068         PR 6407
11069         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11070         calculation.
11072 2008-05-28  Caleb Howe  <cshowe@google.com>
11074         * reduced_debug_output.cc: New file.
11075         * reduced_debug_output.h: New file.
11076         * options.h (class General_options): Add --strip-debug-non-line.
11077         * options.cc (General_options::finalize): Add strip_debug_non_line
11078         to the strip heirarchy.
11079         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11080         fields.
11081         * layout.cc: Include "reduced_debug_output.h".
11082         (Layout::Layout): Initialize new fields.
11083         (line_only_debug_sections): New static array.
11084         (is_lines_only_debug_sections): New static inline function.
11085         (Layout::include_section): Handle --strip-debug-non-line.
11086         (Layout::make_output_section): If --strip-debug-non-line, build
11087         new output sections for .debug_abbrev and .debug_info.
11088         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11089         gold.  Warn about possible overflow.
11090         (read_signed_LEB_128): Likewise.
11091         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11092         (read_signed_LEB_128): Declare.
11093         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11094         (HFILES): Add reduced_debug_output.h.
11095         * Makefile.in: Rebuild.
11097 2008-05-21  Ian Lance Taylor  <iant@google.com>
11099         * mapfile.cc: New file.
11100         * mapfile.h: New file.
11101         * options.h (class General_options): Add -M/--print-map and -Map.
11102         * options.cc (General_options::finalize): Make -M equivalent to
11103         -Map -.
11104         * main.cc: Include <cstdio> and "mapfile.h".
11105         (main): Open mapfile if requested.
11106         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11107         constructor.  Change caller.
11108         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11109         (queue_middle_tasks): Likewise.
11110         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11111         declarations.
11112         * archive.cc: Include "mapfile.h".
11113         (Archive::add_symbols): Add mapfile parameter.  Change all
11114         callers.  Pass mapfile, symbol, and reason to include_member.
11115         (Archive::include_all_members): Add mapfile parameter.  Change all
11116         callers.
11117         (Archive::include_member): Add mapfile, sym, and why parameters.
11118         Change all callers.  Report inclusion to map file.
11119         * archive.h: Include "fileread.h".
11120         (class Archive): Update declarations.
11121         (Archive::file): New const method.
11122         (class Add_archive_symbols): Add mapfile_ field.  Update
11123         constructor.  Change all callers.
11124         * readsyms.h (class Read_symbols): Likewise.
11125         (class Finish_group): Likewise.
11126         (class Read_script): Likewise.
11127         * common.cc: Include "mapfile.h".
11128         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11129         all callers.
11130         (Symbol_table::do_allocate_commons): Likewise.
11131         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11132         symbol allocation to mapfile.
11133         * common.h (class Allocate_commons_task): Add mapfile_ field.
11134         Update constructor.  Change all callers.
11135         * symtab.h (class Symbol_table): Update declarations.
11136         * layout.cc: Include "mapfile.h".
11137         (Layout_task_runner::run): Print information to mapfile.
11138         (Layout::create_gold_note): Change Output_data_fixed_space to
11139         Output_data_zero_fill.
11140         (Layout::create_build_id): Likewise.
11141         (Layout::print_to_mapfile): New function.
11142         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11143         constructor.  Change caller.
11144         (class Layout): Declare print_to_mapfile.
11145         * output.cc (Output_section::Input_section::print_to_mapfile): New
11146         function.
11147         (Output_section::add_input_section): If producing a map, always
11148         add to input_sections_ list.
11149         (Output_section::do_print_to_mapfile): New function.
11150         (Output_segment::print_sections_to_mapfile): New function.
11151         (Output_segment::print_section_list_to_mapfile): New function.
11152         * output.h: Include "mapfile.h".
11153         (Output_data::print_to_mapfile): New function.
11154         (Output_data::do_print_to_mapfile): New virtual function.
11155         (Output_segment_headers::do_print_to_mapfile): New function.
11156         (Output_file_header::do_print_to_mapfile): New function.
11157         (Output_data_const::do_print_to_mapfile): New function.
11158         (class Output_data_const_buffer): Add map_name_ field.  Update
11159         constructor.  Change all callers.  Add do_print_to_mapfile
11160         function.
11161         (class Output_data_fixed_space): Likewise.
11162         (class Output_data_space): Likewise.
11163         (class Output_data_zero_fill): New class.
11164         (Output_data_strtab::do_print_to_mapfile): New function.
11165         (Output_data_reloc_base::do_print_to_mapfile): New function.
11166         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11167         (Output_data_group::do_print_to_mapfile): New function.
11168         (Output_data_got::do_print_to_mapfile): New function.
11169         (Output_data_dynamic::do_print_to_mapfile): New function.
11170         (Output_symtab_xindex::do_print_to_mapfile): New function.
11171         (class Output_section): Declare do_print_to_mapflie.  Declare
11172         print_to_mapfile in Input_section.
11173         (class Output_segment): Declare new functions.
11174         * object.h (Sized_relobj::symbol_count): New function.
11175         * script-sections.cc
11176         (Output_section_element_dot_assignment::set_section_addresses):
11177         Change Output_data_fixed_space to Output_data_zero_fill.
11178         (Output_data_expression::do_print_to_mapfile): New function.
11179         * script.cc (read_input_script): Add mapfile parameter.  Change
11180         all callers.
11181         * script.h (read_input_script): Update declaration.
11182         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11183         (Eh_frame::do_print_to_mapfile): New function.
11184         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11185         (Output_merge_string::do_print_to_mapfile): New function.
11186         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11187         function.
11188         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11189         function.
11190         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11191         function.
11192         * Makefile.am (CCFILES): Add mapfile.cc.
11193         (HFILES): Add mapfile.h.
11194         * Makefile.in: Rebuild.
11196 2008-05-19  Ian Lance Taylor  <iant@google.com>
11198         * options.h (class General_options): Add -z relro.
11199         * layout.cc (Layout::Layout): Initialize relro_segment_.
11200         (Layout::add_output_section_data): Return the output section.
11201         (Layout::make_output_section): Rcognize relro sections and mark
11202         them appropriately.
11203         (Layout::attach_allocated_section_to_segment): Put relro sections
11204         in a PT_GNU_RELRO segment.
11205         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11206         section as relro.
11207         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11208         PT_TLS segments.
11209         (Layout::linkonce_mapping): Map d.rel.ro.local to
11210         .data.rel.ro.local.
11211         (Layout::output_section_name): Us .data.rel.ro.local for any
11212         section which begins with that.
11213         * layout.h (class Layout): Update add_output_section_data
11214         declaration.  Add relro_segment_ field.
11215         * output.cc (Output_section::Output_section): Initialize is_relro_
11216         and is_relro_local_ fields.
11217         (Output_segment::add_output_section): Group relro sections.
11218         (Output_segment::is_first_section_relro): New function.
11219         (Output_segment::maximum_alignment): If there is a relro section,
11220         align the segment to the common page size.
11221         (Output_segment::set_section_addresses): Track whether we are
11222         looking at relro sections.  If the last section is a relro
11223         section, align to the common page size.
11224         (Output_segment::set_section_list_addresses): Add in_relro
11225         parameter.  Change all callers.  Align to the page size when
11226         moving from relro to non-relro section.
11227         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11228         segment.
11229         * output.h (class Output_section): Add is_relro_ and
11230         is_relro_local_ fields.
11231         (Output_section::is_relro): New function.
11232         (Output_section::set_is_relro): New function.
11233         (Output_section::is_relro_local): New function.
11234         (Output_section::set_is_relro_local): New function.
11235         (class Output_segment): Update declarations.
11236         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11237         * sparc.cc (Target_sparc::got_section): Likewise.
11238         * x86_64.cc (Target_x86_64::got_section): Likewise.
11239         * testsuite/relro_test_main.cc: New file.
11240         * testsuite/relro_test.cc: New file.
11241         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11242         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11243         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11244         (relro_test.so, relro_test_pic.o): New targets.
11245         * testsuite/Makefile.in: Rebuild.
11247 2008-05-16  Ian Lance Taylor  <iant@google.com>
11249         * output.cc (Output_segment::add_output_section): Remove front
11250         parameter.
11251         * output.h (class Output_segment): Remove
11252         add_initial_output_section and overloaded add_output_section.
11253         Update declaration of remaining add_output_section.
11254         * layout.cc (Layout::create_interp): Call add_output_section
11255         rather than add_initial_output_section.
11256         (Layout::finish_dynamic_section): Likewise.
11258         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11259         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11260         know the dynamic type.
11261         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11262         field.  Initialize it in constructor.
11263         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11264         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11265         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11266         reloc.
11268         * output.cc (Output_reloc::get_address): Change return type to
11269         Elf_Addr.
11270         * output.h (class Output_reloc): Update get_address declaration.
11271         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11272         for section addresses.
11274 2008-05-09  Ian Lance Taylor  <iant@google.com>
11276         PR 6493
11277         * gold.cc (gold_nomem): Use return value of write.
11279 2008-05-08  Ian Lance Taylor  <iant@google.com>
11281         * symtab.c (Symbol::init_base_output_data): Add version
11282         parameter.  Change all callers.
11283         (Symbol::init_base_output_segment): Likewise.
11284         (Symbol::init_base_constant): Likewise.
11285         (Symbol::init_base_undefined): Likewise.
11286         (Sized_symbol::init_output_data): Likewise.
11287         (Sized_symbol::init_output_segment): Likewise.
11288         (Sized_symbol::init_constant): Likewise.
11289         (Sized_symbol::init_undefined): Likewise.
11290         (Symbol_table::do_define_in_output_data): If the new symbol has a
11291         version, mark it as the default.
11292         (Symbol_table::do_define_in_output_segment): Likewise.
11293         (Symbol_table::do_define_as_constant): Likewise.
11294         * symtab.h (class Symbol): Update declarations.
11295         (class Sized_symbol): Likewise.
11296         * resolve.cc (Symbol::override_version): New function.
11297         (Symbol::override_base): Call override_version.
11298         (Symbol::override_base_with_special): Likewise.
11299         * testsuite/ver_script_8.script: New file.
11300         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11301         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11302         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11303         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11305 2008-05-06  Ian Lance Taylor  <iant@google.com>
11307         PR 6049
11308         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11309         functions.
11310         (class General_options): Remove existing --undefined, and add
11311         --no-undefined instead.  Add new --undefined as synonym for -u.
11312         * archive.cc (Archive::add_symbols): Check whether symbol was
11313         named with -u.
11314         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11315         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11316         all uses.  Add IS_UNDEFINED.  Update declarations to split
11317         different versions of init_base.  Declare init_base_undefined.
11318         (Symbol::is_defined): Handle IS_UNDEFINED.
11319         (Symbol::is_undefined): Likewise.
11320         (Symbol::is_weak_undefined): Call is_undefined.
11321         (Symbol::is_absolute): Handle IS_CONSTANT.
11322         (class Sized_symbol): Update declarations to split different
11323         versions of init.  Declare init_undefined.
11324         (class Symbol_table): Declare new functions.
11325         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11326         Change all callers.
11327         (Symbol::init_base_output_data): Likewise.
11328         (Symbol::init_base_output_segment): Likewise.
11329         (Symbol::init_base_constant): Likewise.
11330         (Symbol::init_base_undefined): New function.
11331         (Sized_symbol::init_object): Rename from init.  Change all
11332         callers.
11333         (Sized_symbol::init_output_data): Likewise.
11334         (Sized_symbol::init_output_segment): Likewise.
11335         (Sized_symbol::init_constant): Likewise.
11336         (Sized_symbol::init_undefined): New function.
11337         (Symbol_table::add_undefined_symbols_from_command_line): New
11338         function.
11339         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11340         function.
11341         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11342         (Symbol::output_section): Likewise.
11343         (Symbol::set_output_section): Likewise.
11344         (Symbol_table::sized_finalize_symbol): Likewise.
11345         (Symbol_table::sized_write_globals): Likewise.
11346         * resolve.cc (Symbol_table::should_override): Likewise.
11347         (Symbol::override_base_with_special): Likewise.
11349         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11350         symbol, change it to have default visibility.
11351         * testsuite/protected_1.cc: New file.
11352         * testsuite/protected_2.cc: New file.
11353         * testsuite/protected_3.cc: New file.
11354         * testsuite/protected_main_1.cc: New file.
11355         * testsuite/protected_main_2.cc: New file.
11356         * testsuite/protected_main_3.cc: New file.
11357         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11358         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11359         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11360         (protected_1.so): New target.
11361         (protected_1_pic.o, protected_2_pic.o): New targets.
11362         (protected_3_pic.o): New target.
11363         (check_PROGRAMS): Add protected_2.
11364         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11365         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11366         * testsuite/Makefile.in: Rebuild.
11368         * options.h (DEFINE_var): Add set_user_set_##varname__.
11369         (DEFINE_bool_alias): New macro.
11370         (class General_options): Define -Bstatic using DEFINE_bool_alias
11371         rather than DEFINE_special.  Add --undefined as an alias for -z
11372         defs.
11373         * options.cc (General_options::parse_Bstatic): Remove.
11375         * options.h (class General_options): Add --fatal-warnings.
11376         * main.cc (main): Implement --fatal-warnings.
11377         * errors.h (Errors::warning_count): New function.
11379         * options.h (class General_options): Add -Bsymbolic-functions.
11380         * symtab.h (Symbol::is_preemptible): Check for
11381         -Bsymbolic-functions.
11383 2008-05-05  Ian Lance Taylor  <iant@google.com>
11385         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11386         as noVARNAME rather than no-VARNAME.
11387         (class General_options): Add option -z combreloc.
11388         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11389         get_address.
11390         (Output_reloc::sort_before) [SHT_REL]: New function.
11391         (Output_reloc::sort_before) [SHT_RELA]: New function.
11392         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11393         Sort_relocs_comparison.
11394         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11395         parameter.  Change all callers.
11396         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11397         sort_relocs parameter.  Change all callers.
11398         * output.cc (Output_reloc::get_address): New function, broken out
11399         of write_rel.
11400         (Output_reloc::write_rel): Call it.
11401         (Output_reloc::compare): New function.
11402         (Output_data_reloc_base::do_write): Optionally sort relocs.
11404         * configure.ac: If targ_extra_obj is set, link it in.
11405         * configure.tgt: Initialize all variables.
11406         (x86_64*): Set targ_extra_obj and targ_extra_size.
11407         * configure: Rebuild.
11409         * object.cc (Sized_relobj::include_section_group): Adjust section
11410         indexes read from group data.  Build vector to pass to
11411         layout_group.
11412         * layout.cc (Layout::layout_group): Add flags and shndxes
11413         parameters.  Remove contents parameter.  Change caller.  Update
11414         explicit instantiations.
11415         * layout.h (class Layout): Update layout_group declaration.
11416         * output.cc (Output_data_group::Output_data_group): Add flags and
11417         input_shndxes parameters.  Remove contents parameter.  Change
11418         caller.
11419         (Output_data_group::do_write): Change input_sections_ to
11420         input_shndxes_.
11421         * output.h (class Output_data_group): Update constructor
11422         declaration.  Rename input_sections_ to input_shndxes_.
11423         * testsuite/many_sections_test.cc: Add template.
11425 2008-04-30  Cary Coutant  <ccoutant@google.com>
11427         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11429         * layout.cc (Layout::include_section): Refactored check for debug
11430         info section.
11431         (Layout::add_comdat): Add new parameters.  Change type
11432         of signature parameter.  Add object and shndx to signatures table.
11433         (Layout::find_kept_object): New function.
11434         * layout.h: Include <cstring>.
11435         (Layout::is_debug_info_section): New function.
11436         (Layout::add_comdat): Add new parameters.
11437         (Layout::find_kept_object): New function.
11438         (Layout::Kept_section): New struct.
11439         (Layout::Signatures): Change type of map range.
11440         * object.cc (Relobj::output_section_address): New function.
11441         (Sized_relobj::include_section_group): Add new parameters.  Change
11442         calls to Layout::add_comdat.  Change to build table of kept comdat
11443         groups and table mapping discarded sections to kept sections.
11444         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11445         (Sized_relobj::do_layout): Change calls to include_section_group and
11446         include_linkonce_section.
11447         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11448         value to zero when section is discarded.
11449         (Sized_relobj::map_to_kept_section): New function.
11450         * object.h (Relobj::output_section_address): New function.
11451         (Relobj::Comdat_group): New type.
11452         (Relobj::find_comdat_group): New function.
11453         (Relobj::Comdat_group_table): New type.
11454         (Relobj::Kept_comdat_section): New type.
11455         (Relobj::Kept_comdat_section_table): New type.
11456         (Relobj::add_comdat_group): New function.
11457         (Relobj::set_kept_comdat_section): New function.
11458         (Relobj::get_kept_comdat_section): New function.
11459         (Relobj::comdat_groups_): New field.
11460         (Relobj::kept_comdat_sections_): New field.
11461         (Symbol_value::input_value): Update comment.
11462         (Sized_relobj::map_to_kept_section) New function.
11463         (Sized_relobj::include_linkonce_section): Add new parameter.
11464         * target-reloc.h (Comdat_behavior): New type.
11465         (get_comdat_behavior): New function.
11466         (relocate_section): Add code to map a discarded section to the
11467         corresponding kept section when applying a relocation.
11469 2008-04-30  Craig Silverstein  <csilvers@google.com>
11471         * dwarf_reader.cc (next_generation_count): New static var.
11472         (Addr2line_cache_entry): New struct.
11473         (addr2line_cache): New static var.
11474         (Dwarf_line_info::one_addr2line): Added caching.
11475         (Dwarf_line_info::clear_addr2line_cache): New function.
11476         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11477         cache-size parameter.
11478         (Dwarf_line_info::one_addr2line_cache): New function.
11479         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11480         new cache-size argument to one_addr2line(), and clear cache.
11482 2008-04-28  Cary Coutant  <ccoutant@google.com>
11484         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11485         R_386_PC8 relocations.
11487 2008-04-23  Ian Lance Taylor  <iant@google.com>
11489         * object.cc (Sized_relobj::include_section_group): Check for
11490         invalid section group.
11492         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11493         header size.
11495         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11496         than read for file header.
11497         * archive.cc (Archive::include_member): Likewise.
11499 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11501         * aclocal.m4: Regenerate.
11502         * configure: Regenerate.
11504 2008-04-19  Ian Lance Taylor  <iant@google.com>
11506         * version.cc (version_string): Bump to 1.6.
11508         * testsuite/Makefile.am (many_sections_r_test): New target.
11509         (many_sections_r_test_SOURCES): Remove.
11510         (many_sections_r_test_DEPENDENCIES): Remove.
11511         (many_sections_r_test_LDFLAGS): Remove.
11512         (many_sections_r_test_LDADD): Remove.
11514         * object.cc (Sized_relobj::do_add_symbols): Always pass
11515         local_symbol_count_ to add_from_relobj.
11517         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11518         every thousand variables.
11519         * testsuite/Makefile.in: Rebuild.
11521         * object.cc (Xindex::initialize_symtab_xindex): New function.
11522         (Xindex::read_symtab_xindex): New function.
11523         (Xindex::sym_xindex_to_shndx): New function.
11524         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11525         available.
11526         (Sized_relobj::do_initialize_xindex): New function.
11527         (Sized_relobj::do_read_symbols): Adjust section links.
11528         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11529         parameter.  Change all callers.
11530         (Sized_relobj::include_section_group): Adjust section links and
11531         symbol section indexes.
11532         (Sized_relobj::do_layout): Adjust section links.
11533         (Sized_relobj::do_count_local_symbols): Adjust section links and
11534         symbol section indexes.
11535         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11536         ordinary and special symbols.
11537         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11538         dynsym_xindex parameters.  Change all callers.  Adjust section
11539         links.  Use SHN_XINDEX when needed.
11540         (Sized_relobj::get_symbol_location_info): Adjust section links.
11541         Don't get fooled by special symbols.
11542         * object.h (class Xindex): Define.
11543         (class Object): Add xindex_ parameter.  Declare virtual functoin
11544         do_initialize_xindex.
11545         (Object::adjust_sym_shndx): New function.
11546         (Object::set_xindex): New protected function.
11547         (class Symbol_value): Add is_ordinary_shndx_ field.
11548         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11549         (Symbol_value::value): Assert ordinary section.
11550         (Symbol_value::initialize_input_to_output_map): Likewise.
11551         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11552         Change all callers.
11553         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11554         all callers.
11555         (class Sized_relobj): Update declarations.
11556         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11557         parameter.  Change all callers.
11558         (Sized_relobj::adjust_shndx): New function.
11559         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11560         field.
11561         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11562         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11563         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11564         (Sized_dynobj::read_dynsym_section): Adjust section links.
11565         (Sized_dynobj::read_dynamic): Likewise.
11566         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11567         section links.
11568         (Sized_dynobj::do_initialize_xindex): New function.
11569         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11570         do_initialize_xindex.
11571         (Sized_dynobj::adjust_shndx): New function.
11572         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11573         dynsym_xindex_ fields.
11574         (Layout::finalize): Add a call to set_section_indexes before
11575         creating the symtab sections.
11576         (Layout::set_section_indexes): Don't do anything if the section
11577         already has a section index.
11578         (Layout::create_symtab_sections): Add shnum parameter.  Change
11579         caller.  Create .symtab_shndx section if needed.
11580         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11581         caller.
11582         (Layout::allocated_output_section_count): New function.
11583         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11584         needed.
11585         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11586         fields.  Update declarations.
11587         (Layout::symtab_xindex): New function.
11588         (Layout::dynsym_xindex): New function.
11589         (class Write_symbols_task): Add layout_ field.
11590         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11591         Change caller.
11592         * output.cc (Output_section_headers::Output_section_headers): Add
11593         shstrtab_section parameter.  Change all callers.
11594         (Output_section_headers::do_sized_write): Store overflow values
11595         for section count and section string table section index in
11596         section header zero.
11597         (Output_file_header::do_sized_write): Check for overflow of
11598         section count and section string table section index.
11599         (Output_symtab_xindex::do_write): New function.
11600         (Output_symtab_xindex::endian_do_write): New function.
11601         * output.h (class Output_section_headers): Add shstrtab_section_.
11602         Update declarations.
11603         (class Output_symtab_xindex): Define.
11604         (Output_section::has_out_shndx): New function.
11605         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11606         field.
11607         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11608         Change all callers.
11609         (Sized_symbol::init): Likewise.
11610         (Symbol::output_section): Check for ordinary symbol.
11611         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11612         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11613         callers.
11614         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11615         Change all callers.  Simplify handling of symbols from sections
11616         not included in the link.
11617         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11618         distinction.
11619         (Weak_alias_sorter::operator()): Assert that symbols are
11620         ordinary.
11621         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11622         distinction.
11623         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11624         parameters.  Change all callers.
11625         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11626         symbol distinction.  Use SHN_XINDEX when needed.
11627         (Symbol_table::write_section_symbol): Add symtab_xindex
11628         parameter.  Change all callers.
11629         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11630         SHN_XINDEX when needed.
11631         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11632         declarations.
11633         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11634         (Symbol::is_defined): Check is_ordinary.
11635         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11636         (Symbol::is_absolute, Symbol::is_common): Likewise.
11637         (class Sized_symbol): Update declarations.
11638         (class Symbol_table): Update declarations.
11639         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11640         parameters.  Change all callers.
11641         (Sized_symbol::override): Likewise.
11642         (Symbol_table::override): Likewise.
11643         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11644         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11645         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11646         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11647         to be in an ordinary section.
11648         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11649         object and is_ordinary parameters.  Change all callers.
11650         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11651         Change all callers.  Don't add undefined or non-ordinary symbols
11652         to reloc_map_.
11653         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11654         Change all callers.
11655         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11656         declarations.
11657         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11658         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11659         (Sized_relobj::relocate_sections): Likewise.
11660         * target-reloc.h (scan_relocs): Adjust section symbol index.
11661         (scan_relocatable_relocs): Likewise.
11662         * i386.cc (Scan::local): Check for ordinary symbols.
11663         * sparc.cc (Scan::local): Likewise.
11664         * x86_64.cc (Scan::local): Likewise.
11665         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11666         to symbol_section_and_value.
11667         * testsuite/many_sections_test.cc: New file.
11668         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11669         (check_PROGRAMS): Add many_sections_test.
11670         (many_sections_test_SOURCES): Define.
11671         (many_sections_test_DEPENDENCIES): Define.
11672         (many_sections_test_LDFLAGS): Define.
11673         (BUILT_SOURCES): Add many_sections_define.h.
11674         (many_sections_define.h): New target.
11675         (BUILT_SOURCES): Add many_sections_check.h.
11676         (many_sections_check.h): New target.
11677         (check_PROGRAMS): Add many_sections_r_test.
11678         (many_sections_r_test_SOURCES): Define.
11679         (many_sections_r_test_DEPENDENCIES): Define.
11680         (many_sections_r_test_LDFLAGS): Define.
11681         (many_sections_r_test_LDADD): Define.
11682         (many_sections_r_test.o): New target.
11683         * testsuite/Makefile.in: Rebuild.
11685 2008-04-17  Cary Coutant  <ccoutant@google.com>
11687         * errors.cc (Errors::info): New function.
11688         (gold_info): New function.
11689         * errors.h (Errors::info): New function.
11690         * gold.h (gold_info): New function.
11691         * object.cc (Input_objects::add_object): Print trace output.
11692         * options.cc (options::parse_set): New function.
11693         (General_options::parse_wrap): Deleted.
11694         (General_options::General_options): Deleted initializer.
11695         * options.h (options::String_set): New typedef.
11696         (options::parse_set): New function.
11697         (DEFINE_set): New macro.
11698         (General_options::wrap): Changed to use DEFINE_set. Changed
11699         callers of any_wrap_symbols and is_wrap_symbol.
11700         (General_options::trace, General_options::trace_symbol):
11701         New options.
11702         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11703         (General_options::wrap_symbols_): Deleted.
11704         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11706 2008-04-17  David S. Miller  <davem@davemloft.net>
11708         * options.cc (General_options::parse_V): New function.
11709         * options.h: Add entries for -V and -Qy.
11711 2008-04-17  Ian Lance Taylor  <iant@google.com>
11713         * common.cc (Symbol_table::allocate_commons): Remove options
11714         parameter.  Change caller.
11715         (Symbol_table::do_allocate_commons): Remove options parameter.
11716         Change caller.  Just call do_allocate_commons_list twice.
11717         (Symbol_table::do_allocate_commons_list): New function, broken out
11718         of do_allocate_commons.
11719         * common.h (class Allocate_commons_task): Remove options_ field.
11720         Update constructor.
11721         * symtab.cc (Symbol_table::Symbol_table): Initialize
11722         tls_commons_.
11723         (Symbol_table::add_from_object): Put TLS common symbols on
11724         tls_commons_ list.
11725         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11726         which are IN_OUTPUT_DATA.
11727         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11728         allocate_commons and do_allocate_commons declarations.  Declare
11729         do_allocate_commons_list.
11730         * gold.cc (queue_middle_tasks): Update creation of
11731         Allocate_commons_task to not pass options.
11732         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11733         (TLS_TEST_C_FLAGS): New variable.
11734         (tls_test_c_pic.o): New target.
11735         (tls_test_shared.so): Link in tls_test_c_pic.o.
11736         (tls_test_c_pic_ie.o): New target.
11737         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11738         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11739         (tls_test_c.o): New target.
11740         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11741         (tls_pic_test_LDADD): Likewise.
11742         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11743         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11744         (tls_test_c_gnu2.o): New target.
11745         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11746         tls_test_c_gnu2.o.
11747         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11748         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11749         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11750         * testsuite/tls_test.cc: Include "config.h".
11751         (t_last): Call t11_last.
11752         * testsuite/tls_test.h (t11, t11_last): Declare.
11753         * testsuite/tls_test_c.c: New file.
11754         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11755         * configure.ac: Check for OpenMP support.
11756         * configure, config.in, Makefile.in: Rebuild.
11757         * testsuite/Makefile.in: Rebuild.
11759 2008-04-16  Cary Coutant  <ccoutant@google.com>
11761         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11762         (Target_i386::tls_base_symbol_defined_): New field.
11763         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11764         (Target_i386::Scan::global): Likewise.
11765         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11766         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11767         (Target_x86_64::tls_base_symbol_defined_): New field.
11768         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11769         (Target_x86_64::Scan::global): Likewise.
11771 2008-04-16  Cary Coutant  <ccoutant@google.com>
11773         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11774         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11775         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11776         building shared libraries.
11777         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11778         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11779         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11780         * testsuite/Makefile.in: Rebuild.
11781         * testsuite/weak_undef.h: New file.
11782         * testsuite/weak_undef_file1.cc: Add extra test cases.
11783         * testsuite/weak_undef_file2.cc: Likewise.
11784         * testsuite/weak_undef_test.cc: Likewise.
11786 2008-04-16  David S. Miller  <davem@davemloft.net>
11788         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11789         Add issued_non_pic_error_ field.  Declare check_non_pic.
11790         (Target_sparc::Scan::check_non_pic): New function.
11791         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11792         (Target_sparc::Scan::global): Likewise.
11794         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11795         * configure: Rebuild.
11797         * options.h (DEFINE_enable): New macro.
11798         (new_dtags): New enable option.
11799         (initfirst, interpose, loadfltr, nodefaultlib,
11800         nodelete, nodlopen, nodump): New -z options.
11801         * layout.cc (Layout:finish_dynamic_section): If new
11802         dtags enabled, emit DT_RUNPATH.  Also, emit a
11803         DT_FLAGS_1 containing any specified -z flags.
11805 2008-04-16  Ian Lance Taylor  <iant@google.com>
11807         * copy-relocs.cc: New file.
11808         * copy-relocs.h: New file.
11809         * reloc.cc: Remove Copy_relocs code.
11810         * reloc.h: Likewise.
11811         * reloc-types.h (struct Reloc_types) [both versions]: Add
11812         get_reloc_addend_noerror.
11813         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11814         variants of add_global which take an addend which must be zero.
11815         * i386.cc: Include "copy-relocs.h".
11816         (class Target_i386): Change type of copy_relocs_ to variable,
11817         update initializer.
11818         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11819         Change all callers.
11820         (Target_i386::do_finalize_sections): Change handling of
11821         copy_relocs_.
11822         * sparc.cc: Include "copy-relocs.h".
11823         (class Target_sparc): Change type of copy_relocs_ to variable,
11824         update initializer.
11825         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11826         Change all callers.
11827         (Target_sparc::do_finalize_sections): Change handling of
11828         copy_relocs_.
11829         * x86_64.cc: Include "copy-relocs.h".
11830         (class Target_x86_64): Change type of copy_relocs_ to variable,
11831         update initializer.
11832         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11833         class.  Change all callers.
11834         (Target_x86_64::do_finalize_sections): Change handling of
11835         copy_relocs_.
11836         * Makefile.am (CCFILES): Add copy-relocs.cc.
11837         (HFILES): Add copy-relocs.h.
11839         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11841         * testsuite/script_test_4.sh: Permit leading zeroes.
11843 2008-04-15  Ian Lance Taylor  <iant@google.com>
11845         * script-sections.cc (Script_sections::create_segments): Use
11846         header_size_adjustment even when there is enough room for the
11847         headers.
11848         * testsuite/script_test_4.sh: New file.
11849         * testsuite/script_test_4.t: New file.
11850         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11851         (check_DATA): Add script_test_4.stdout.
11852         (MOSTLYCLEANFILES): Likewise.
11853         (script_test_4): New target.
11854         (script_test_4.stdout): New target.
11855         * testsuite/Makefile.in: Rebuild.
11857         * sparc.cc: Add definitions for Output_data_plt_sparc class
11858         constants.
11860 2008-04-14  David S. Miller  <davem@davemloft.net>
11862         * sparc.cc: New file.
11863         * Makefile.am (TARGETSOURCES): Add sparc.cc
11864         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11865         * configure.tgt: Document targ_extra_size and
11866         targ_extra_big_endian.  Add entries for sparc-* and
11867         sparc64-*.
11868         * configure.ac: Handle targ_extra_size and
11869         targ_extra_big_endian.
11870         * Makefile.in: Rebuild.
11871         * configure: Likewise.
11872         * po/POTFILES.in: Likewise.
11873         * po/gold.pot: Likewise.
11875 2008-04-14  Ian Lance Taylor  <iant@google.com>
11877         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11878         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11879         in the name/type/flags to section mapping.  Don't call
11880         allocate_output_section.
11881         (Layout::choose_output_section): Change parameter from adjust_name
11882         to is_input_section.  Don't permit input sections after sections
11883         are attached to segments.  Don't call allocate_output_section.
11884         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11885         not write_enable_output_section.
11886         (Layout::make_output_section): Don't push to
11887         unattached_section_list_ nor call attach_to_segment.  Call
11888         attach_section_to_segment if sections are attached.
11889         (Layout::attach_sections_to_segments): New function.
11890         (Layout::attach_section_to_segment): New function.
11891         (Layout::attach_allocated_section_to_segment): Rename from
11892         attach_to_segment.  Remove flags parameter.
11893         (Layout::allocate_output_section): Remove function.
11894         (Layout::write_enable_output_section): Remove function.
11895         * layout.h (class Layout): Update for above changes.  Add new
11896         field sections_are_attached_.
11897         * output.h (Output_section::update_flags_for_input_section): New
11898         function.
11899         * output.cc (Output_section::add_input_section): Call
11900         update_flags_for_input_section.
11901         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11903 2008-04-11  Cary Coutant  <ccoutant@google.com>
11905         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11906         thought unnecessary.
11907         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11909 2008-04-11  Ian Lance Taylor  <iant@google.com>
11911         * output.h (class Output_section_data): Remove inline definition
11912         of set_addralign.
11913         * output.cc (Output_section_data::set_addralign): New function.
11915 2008-04-11  Cary Coutant  <ccoutant@google.com>
11917         Add support for TLS descriptors for i386 and x86_64.
11918         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11919         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11920         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11921         GOT_TYPE_TLS_DESC.
11922         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11923         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11924         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11925         relocations.
11926         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11927         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11928         Fix problem with initial-exec relocations.
11929         (Target_i386::Relocate::relocate_tls): Likewise.
11930         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11931         relaxation.
11932         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11933         support for section-plus-offset dynamic table entries.
11934         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11935         (Output_data_dynamic::Dynamic_entry): Add support for
11936         section-plus-offset dynamic table entries.
11937         (Output_data_dynamic::Classification): Likewise.
11938         (Output_data_dynamic::classification_): Renamed offset_.
11939         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11940         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11941         (Target_x86_64::make_plt_section): New function.
11942         (Target_x86_64::reserve_tlsdesc_entries): New function.
11943         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11944         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11945         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11946         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11947         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11948         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11949         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11950         add extra PLT entry for TLS descriptors.
11951         (Output_data_plt_x86_64::got_): New field.
11952         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11953         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11954         fields.
11955         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11956         descriptors.
11957         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11958         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11959         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11960         R_386_TLS_DESC_CALL relocations.
11961         (Target_x86_64::Scan::global): Likewise.
11962         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11963         for TLS descriptors.
11964         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11965         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11966         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11967         GD-to-IE relaxation.
11968         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11969         and TLS_DESCRIPTORS.
11970         * Makefile.in: Rebuild.
11971         * configure: Rebuild.
11972         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11973         (tls_test_shared2.so): New target.
11974         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11975         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11976         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11977         (tls_shared_gd_to_ie_test_LDADD): New variable.
11978         (tls_shared_gnu2_gd_to_ie_test): New target.
11979         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11980         New targets.
11981         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11982         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11983         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11984         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11985         (tls_shared_gnu2_test): New target.
11986         (tls_test_gnu2_shared.so): New target.
11987         (tls_shared_gnu2_test_SOURCES): New variable.
11988         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11989         (tls_shared_gnu2_test_LDFLAGS): New variable.
11990         (tls_shared_gnu2_test_LDADD): New variable.
11991         * testsuite/Makefile.in: Rebuild.
11992         * testsuite/Makefile.
11994 2008-04-11  Ian Lance Taylor  <iant@google.com>
11996         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11997         justsyms.t.
11998         * testsuite/Makefile.in: Rebuild.
12000         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12001         long.
12002         * testsuite/script_test_2.cc (main): Adjust test.
12004 2008-04-11  David S. Miller  <davem@davemloft.net>
12005             Ian Lance Taylor  <iant@google.com>
12007         * options.h (General_options): Add entries for '-Y' and
12008         '-relax'.
12009         * options.cc (General_options:finalize): If -Y was used, add those
12010         entries to the library path instead of the default "/lib" and
12011         "/usr/lib".
12013 2008-04-11  David S. Miller  <davem@davemloft.net>
12015         * testsuite/justsyms.t: Start at 0x100.
12016         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12017         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12018         long.
12019         * testsuite/script_test_2.cc: Adjust string and section length
12020         checks.
12022 2008-04-09  Ian Lance Taylor  <iant@google.com>
12024         PR gold/5996
12025         * script-sections.cc (Sections_element::allocate_to_segment): Add
12026         orphan parameter.
12027         (Output_section_definition::allocate_to_segment): Likewise.
12028         (Orphan_output_section::allocate_to_segment): Likewise.
12029         (Script_sections::attach_sections_using_phdrs_clause): Don't
12030         propagate non-PT_LOAD segments to orphan sections.
12031         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12032         readelf rather than objdump.
12033         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12034         .interp section and PT_INTERP segment are the same size.
12035         * testsuite/Makefile.in: Rebuild.
12037         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12038         aliases for symbols defined in the same object.
12039         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12040         (weak_alias_test_SOURCES): New variable.
12041         (weak_alias_test_DEPENDENCIES): New variable.
12042         (weak_alias_test_LDFLAGS): New variable.
12043         (weak_alias_test_LDADD): New variable.
12044         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12045         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12046         (weak_alias_test_3.o): New target.
12047         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12048         * testsuite/weak_alias_test_main.cc: New file.
12049         * testsuite/weak_alias_test_1.cc: New file.
12050         * testsuite/weak_alias_test_2.cc: New file.
12051         * testsuite/weak_alias_test_3.cc: New file.
12053 2008-04-08  Ian Lance Taylor  <iant@google.com>
12055         * options.h (class General_options): Add --noinhibit-exec option.
12056         * main.cc (main): Check --noinhibit-exec.
12058         * options.h (class General_options): Define --wrap as a special
12059         option.  Add wrap_symbols_ field.
12060         (General_options::any_wrap_symbols): New function.
12061         (General_options::is_wrap_symbol): New function.
12062         * options.cc (General_options::parse_wrap): New function.
12063         (General_options::General_options): Initialize wrap_symbols_.
12064         * symtab.cc (Symbol_table::wrap_symbol): New function.
12065         (Symbol_table::add_from_object): Handle --wrap.
12066         * symtab.h (class Symbol_table): Declare wrap_symbol.
12067         * target.h (Target::wrap_char): New function.
12068         (Target::Target_info): Add wrap_char field.
12069         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12070         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12071         * testsuite/testfile.cc (Target_test::test_target_info):
12072         Likewise.
12074         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12075         there is one.
12077         * layout.h (class Layout): Add added_eh_frame_data_ field.
12078         * layout.cc (Layout::Layout): Initialize new field.
12079         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12080         output section until we find a section we merged successfully.
12081         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12082         that the size be non-zero.
12084         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12085         qualifier.
12087 2008-04-08  Craig Silverstein  <csilvers@google.com>
12089         * configure.ac: Export new conditional variable HAVE_ZLIB.
12090         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12091         on HAVE_ZLIB.
12092         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12093         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12095 2008-04-07  Ian Lance Taylor  <iant@google.com>
12097         * version.cc (version_string): Set to "1.5".
12099         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12100         Add issued_non_pic_error_ field.  Declare check_non_pic.
12101         (Target_x86_64::Scan::check_non_pic): New function.
12102         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12103         (Target_x86_64::Scan::global): Likewise.
12105         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12106         addend parameter.  Change caller.  Handle merge sections.
12107         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12108         Address to Addend.  Don't add in the result of
12109         local_section_offset, pass down the addend and use the returned
12110         value.
12111         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12112         Update declarations of local_section_offset and symbol_value.
12113         * testsuite/two_file_test_1.cc (t18): New function.
12114         * testsuite/two_file_test_2.cc (f18): New function.
12115         * testsuite/two_file_test_main.cc (main): Call t18.
12116         * testsuite/two_file_test.h (t18, f18): Declare.
12118         * configure.ac: Don't test for objdump, c++filt, or readelf.
12119         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12120         conditionals.
12121         (TEST_READELF): New variable.
12122         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12123         (check_PROGRAMS): Add two_file_strip_test.
12124         (two_file_strip_test): New target.
12125         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12126         (two_file_same_shared_strip_test_SOURCES): New variable.
12127         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12128         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12129         (two_file_same_shared_strip_test_LDADD): New variable.
12130         (two_file_shared_strip.so): New target.
12131         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12132         (ver_test_5.syms, ver_test_7.syms): Likewise.
12133         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12134         (strip_test_3.stdout): Use TEST_OBJDUMP.
12135         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12137 2008-04-04  Cary Coutant  <ccoutant@google.com>
12139         * symtab.h (Symbol::is_weak_undefined): New function.
12140         (Symbol::is_strong_undefined): New function.
12141         (Symbol::is_absolute): New function.
12142         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12143         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12144         absolute symbols.
12145         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12146         (weak_undef_test): New target.
12147         * testsuite/Makefile.in: Rebuild.
12148         * testsuite/weak_undef_file1.cc: New file.
12149         * testsuite/weak_undef_file2.cc: New file.
12150         * testsuite/weak_undef_test.cc: New file.
12152 2008-04-03  Craig Silverstein  <csilvers@google.com>
12154         * compressed_output.h (class Output_compressed_section): Use
12155         unsigned buffer.
12156         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12157         add zlib header.
12158         (zlib_compressed_suffix): Removed.
12159         (Output_compressed_section::set_final_data_size): Use unsigned
12160         buffers.
12161         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12162         Fix linker invocation.
12163         (flagstest_o_specialfile_and_compress_debug_sections):
12164         Likewise.
12165         * testsuite/Makefile.in: Regenerated.
12167 2008-04-02  David S. Miller  <davem@davemloft.net>
12169         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12170         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12172 2008-04-02  Craig Silverstein  <csilvers@google.com>
12174         * TODO: New file.
12176 2008-04-02  Ian Lance Taylor  <iant@google.com>
12178         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12179         parameters.  Update for new key type to views_.  Change all
12180         callers.
12181         (File_read::read): Adjust for byteshift in returned view.
12182         (File_read::add_view): New function, broken out of
12183         find_and_make_view.
12184         (File_read::make_view): New function, broken out of
12185         find_and_make_view.
12186         (File_read::find_or_make_view): Add offset and aligned
12187         parameters.  Rewrite accordingly.  Change all callers.
12188         (File_read::get_view): Add offset and aligned parameters.  Adjust
12189         for byteshift in return value.
12190         (File_read::get_lasting_view): Likewise.
12191         * fileread.h (class File_read): Update declarations.
12192         (class File_read::View): Add byteshift_ field.  Add byteshift to
12193         constructor.  Add byteshift method.
12194         * archive.h (Archive::clear_uncached_views): New function.
12195         (Archive::get_view): Add aligned parameter.  Change all callers.
12196         * object.h (Object::get_view): Add aligned parameter.  Change all
12197         callers.
12198         (Object::get_lasting_view): Likewise.
12200         * fileread.cc (File_read::release): Don't call clear_views if
12201         there are multiple objects.
12202         * fileread.h (File_read::clear_uncached_views): New function.
12203         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12204         on the archive.
12206 2008-03-31  Cary Coutant  <ccoutant@google.com>
12208         Add thin archive support.
12209         * archive.cc (Archive::armagt): New const.
12210         (Archive::setup): Remove task parameter and calls to unlock.
12211         (Archive::unlock_nested_archives): New function.
12212         (Archive::read_header): Add nested_off parameter. Change
12213         all callers.
12214         (Archive::interpret_header): Likewise.
12215         (Archive::include_all_members): Change to handle thin
12216         archives.
12217         (Archive::include_member): Likewise.
12218         * archive.h (Archive::Archive): Add new parameters and
12219         initializers.
12220         (Archive::armagt): New const.
12221         (Archive::setup): Remove task parameter.
12222         (Archive::unlock_nested_archives): New function.
12223         (Archive::read_header): Add nested_off parameter.
12224         (Archive::interpret_header): Likewise.
12225         (Archive::Nested_archive_table): New typedef.
12226         (Archive::is_thin_archive_): New field.
12227         (Archive::nested_archives_): New field.
12228         (Archive::options_): New field.
12229         (Archive::dirpath_): New field.
12230         (Archive::task_): New field.
12231         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12232         for thin archives.  Pass additional parameters to
12233         Archive::Archive.  Unlock the archive file after calling
12234         Archive::setup.
12236 2008-03-29  Ian Lance Taylor  <iant@google.com>
12238         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12239         version symbol to be local.
12240         * testsuite/ver_test_4.sh: New file.
12241         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12242         (check_DATA): Add ver_test_4.syms.
12243         (ver_test_4.syms): New target.
12244         * testsuite/Makefile.in: Rebuild.
12246         * output.cc
12247         (Output_section::Input_section_sort_entry::has_priority): New
12248         function.
12249         (Output_section::Input_section_sort_entry::match_file_name): New
12250         function.
12251         (Output_section::Input_section_sort_entry::match_section_name):
12252         Remove.
12253         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12254         Remove.
12255         (Output_section::Input_section_sort_entry::match_section_file):
12256         Remove.
12257         (Output_section::Input_section_sort_compare::operator()): Rewrite
12258         using new Input_section_sort_entry functions.  Sort crtbegin and
12259         crtend first.  Sort sections with no priority before sections with
12260         a priority.
12261         * testsuite/initpri1.c (d3): Check j != 4.
12262         (cd5): New constructor/destructor function.
12263         (main): Check j != 2.
12265         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12266         new symbol when resolving, don't call set_is_default.
12267         * testsuite/ver_test_7.cc: New file.
12268         * testsuite/ver_test_7.sh: New file.
12269         * testsuite/Makefile.am (ver_test_7.so): New target.
12270         (ver_test_7.o): New target.
12271         (check_SCRIPTS): Add ver_test_7.sh.
12272         (check_DATA): Add ver_test_7.syms.
12273         (ver_test_7.syms): New target.
12275 2008-03-28  Ian Lance Taylor  <iant@google.com>
12277         * layout.cc (Layout::layout): If we see an input section with a
12278         name that needs sorting, set the must_sort flag for the output
12279         section.
12280         (Layout::make_output_section): If the name of the output section
12281         indicates that it might require sorting, set the may_sort flag.
12282         * output.h (Output_section::may_sort_attached_input_sections): New
12283         function.
12284         (Output_section::set_may_sort_attached_input_sections): New
12285         function.
12286         (Output_section::must_sort_attached_input_sections): New
12287         function.
12288         (Output_section::set_must_sort_attached_input_sections): New
12289         function.
12290         (class Output_section): Declare Input_section_sort_entry.  Define
12291         Input_section_sort_compare.  Declare
12292         sort_attached_input_sections.  Add new fields:
12293         may_sort_attached_input_sections_,
12294         must_sort_attached_input_sections_,
12295         attached_input_sections_are_sorted_.
12296         * output.cc (Output_section::Output_section): Initialize new
12297         fields.
12298         (Output_section::add_input_section): Add an entry to
12299         input_sections_ if may_sort or must_sort are true.
12300         (Output_section::set_final_data_size): Call
12301         sort_attached_input_sections if necessary.
12302         (Output_section::Input_section_sort_entry): Define new class.
12303         (Output_section::Input_section_sort_compare::operator()): New
12304         function.
12305         (Output_section::sort_attached_input_sections): New function.
12306         * configure.ac: Check whether the compiler supports constructor
12307         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12308         * testsuite/initpri1.c: New file.
12309         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12310         CONSTRUCTOR_PRIORITY.
12311         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12312         (initpri1_LDFLAGS): New variable.
12313         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12315 2008-03-27  Ian Lance Taylor  <iant@google.com>
12317         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12318         * testsuite/common_test_1.c: New file.
12319         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12320         (common_test_1_SOURCES): New variable.
12321         (common_test_1_DEPENDENCIES): New variable.
12322         (common_test_1_LDFLAGS): New variable.
12324         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12325         and commons_ correctly when NAME/VERSION does not override
12326         NAME/NULL.
12327         * testsuite/ver_test_6.c: New file.
12328         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12329         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12330         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12332 2008-03-26  Ian Lance Taylor  <iant@google.com>
12334         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12335         of an undefined symbol from a version script.
12336         * testsuite/Makefile.am (ver_test_5.so): New target.
12337         (ver_test_5.o): New target.
12338         (check_SCRIPTS): Add ver_test_5.sh.
12339         (check_DATA): Add ver_test_5.syms.
12340         (ver_test_5.syms): New target.
12341         * testsuite/ver_test_5.cc: New file.
12342         * testsuite/ver_test_5.script: New file.
12343         * testsuite/ver_test_5.sh: New file.
12344         * Makefile.in, testsuite/Makefile.in: Rebuild.
12346         PR gold/5986
12347         Fix problems building gold with gcc 4.3.0.
12348         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12349         (gold_error_at_location, gold_warning_at_location): Use it.
12350         * configure.ac: Check whether we can compile and use a template
12351         function with a printf attribute.
12352         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12353         when jumping over bytes.
12354         * object.cc: Instantiate Object::read_section_data.
12355         * debug.h: Include <cstring>
12356         * dwarf_reader.cc: Include <algorithm>
12357         * main.cc: Include <cstring>.
12358         * options.cc: Include <cstring>.
12359         * output.cc: Include <cstring>.
12360         * script.cc: Include <cstring>.
12361         * script.h: Include <string>.
12362         * symtab.cc: Include <cstring> and <algorithm>.
12363         * target-select.cc: Include <cstring>.
12364         * version.cc: Include <string>.
12365         * testsuite/testmain.cc: Include <cstdlib>.
12366         * configure, config.in: Rebuild.
12368 2008-03-25  Ian Lance Taylor  <iant@google.com>
12370         * options.cc: Include "../bfd/bfdver.h".
12371         (options::help): Print bug reporting address.
12373         * version.cc (print_version): Adjust output for current value of
12374         BFD_VERSION_STRING.
12376         * NEWS: New file.
12378         * options.cc (options::help): Print list of supported targets.
12379         * target-select.h: Include <vector>.
12380         (class Target_selector): Make machine_, size_, and is_big_endian_
12381         fields const.  Add bfd_name_ and instantiated_target_ fields.
12382         (Target_selector::Target_selector): Add bfd_name parameter.
12383         (Target_selector::recognize): Make non-virtual, call
12384         do_recognize.
12385         (Target_selector::recognize_by_name): Make non-virtual, call
12386         do_recognize_by_name.
12387         (Target_selector::supported_names): New function.
12388         (Target_selector::bfd_name): New function.
12389         (Target_selector::do_instantiate_target): New pure virtual
12390         function.
12391         (Target_selector::do_recognize): New virtual function.
12392         (Target_selector::do_recognize_by_name): New virtual function.
12393         (Target_selector::instantiate_target): New private function.
12394         (supported_target_names): Declare.
12395         * target-select.cc (Target_selector::Target_selector): Update for
12396         new parameter and fields.
12397         (select_target_by_name): Check that the name matches before
12398         calling recognize_by_name.
12399         (supported_target_names): New function.
12400         * i386.cc (class Target_selector_i386): Update Target_selector
12401         constructor call.  Remove recognize and recognize_by_name.  Add
12402         do_instantiate_target.
12403         * x86_64.cc (class Target_selector_x86_64): Likewise.
12404         * testsuite/testfile.cc (class Target_selector_test): Update for
12405         changes to Target_selector.
12407         * README: Rewrite, with some notes on unsupported features.
12409 2008-03-24  Cary Coutant  <ccoutant@google.com>
12411         * i386.cc (Target_i386::Got_type): New enum declaration.
12412         (Target_i386::Scan::local): Updated callers of Output_data_got
12413         member functions.
12414         (Target_i386::Scan::global): Likewise.
12415         (Target_i386::Relocate::relocate): Likewise.
12416         (Target_i386::Relocate::relocate_tls): Likewise.
12417         * object.h (Got_offset_list): New class.
12418         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12419         (Sized_relobj::local_got_offset): Likewise.
12420         (Sized_relobj::set_local_got_offset): Likewise.
12421         (Sized_relobj::local_has_tls_got_offset): Removed.
12422         (Sized_relobj::local_tls_got_offset): Removed.
12423         (Sized_relobj::set_local_tls_got_offset): Removed.
12424         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12425         * output.cc (Output_data_got::add_global): Added got_type parameter.
12426         (Output_data_got::add_global_with_rel): Likewise.
12427         (Output_data_got::add_global_with_rela): Likewise.
12428         (Output_data_got::add_global_pair_with_rel): New function.
12429         (Output_data_got::add_global_pair_with_rela): New function.
12430         (Output_data_got::add_local): Added got_type parameter.
12431         (Output_data_got::add_local_with_rel): Likewise.
12432         (Output_data_got::add_local_with_rela): Likewise.
12433         (Output_data_got::add_local_pair_with_rel): New function.
12434         (Output_data_got::add_local_pair_with_rela): New function.
12435         (Output_data_got::add_global_tls): Removed.
12436         (Output_data_got::add_global_tls_with_rel): Removed.
12437         (Output_data_got::add_global_tls_with_rela): Removed.
12438         (Output_data_got::add_local_tls): Removed.
12439         (Output_data_got::add_local_tls_with_rel): Removed.
12440         (Output_data_got::add_local_tls_with_rela): Removed.
12441         * output.h (Output_data_got::add_global): Added got_type parameter.
12442         (Output_data_got::add_global_with_rel): Likewise.
12443         (Output_data_got::add_global_with_rela): Likewise.
12444         (Output_data_got::add_global_pair_with_rel): New function.
12445         (Output_data_got::add_global_pair_with_rela): New function.
12446         (Output_data_got::add_local): Added got_type parameter.
12447         (Output_data_got::add_local_with_rel): Likewise.
12448         (Output_data_got::add_local_with_rela): Likewise.
12449         (Output_data_got::add_local_pair_with_rel): New function.
12450         (Output_data_got::add_local_pair_with_rela): New function.
12451         (Output_data_got::add_global_tls): Removed.
12452         (Output_data_got::add_global_tls_with_rel): Removed.
12453         (Output_data_got::add_global_tls_with_rela): Removed.
12454         (Output_data_got::add_local_tls): Removed.
12455         (Output_data_got::add_local_tls_with_rel): Removed.
12456         (Output_data_got::add_local_tls_with_rela): Removed.
12457         * resolve.cc (Symbol::override_base_with_special): Removed
12458         reference to has_got_offset_ field.
12459         * symtab.cc (Symbol::init_fields): Replaced initialization
12460         of got_offset_ with got_offsets_.  Removed initialization
12461         of has_got_offset_
12462         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12463         (Symbol::got_offset): Likewise.
12464         (Symbol::set_got_offset): Likewise.
12465         (Symbol::has_tls_got_offset): Removed.
12466         (Symbol::tls_got_offset): Removed.
12467         (Symbol::set_tls_got_offset): Removed.
12468         (Symbol::got_offset_): Removed.
12469         (Symbol::tls_mod_got_offset_): Removed.
12470         (Symbol::tls_pair_got_offset_): Removed.
12471         (Symbol::got_offsets_): New field.
12472         (Symbol::has_got_offset): Removed.
12473         (Symbol::has_tls_mod_got_offset): Removed.
12474         (Symbol::has_tls_pair_got_offset): Removed.
12475         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12476         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12477         member functions.
12478         (Target_x86_64::Scan::global): Likewise.
12479         (Target_x86_64::Relocate::relocate): Likewise.
12480         (Target_x86_64::Relocate::relocate_tls): Likewise.
12482 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12484         * yyscript.y: Fix spelling error in comment.
12486 2008-03-24  Ian Lance Taylor  <iant@google.com>
12488         * options.h (class General_options): Define build_id option.
12489         * layout.h (class Layout): Declare write_build_id, create_note,
12490         create_build_id.  Add build_id_note_ member.
12491         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12492         "libiberty.h", "md5.h", "sha1.h".
12493         (Layout::Layout): Initialize eh_frame_data_,
12494         eh_frame_hdr_section_, and build_id_note_.
12495         (Layout::finalize): Call create_build_id.
12496         (Layout::create_note): New function, broken out of
12497         Layout::create_gold_note.
12498         (Layout::create_gold_note): Call create_note.
12499         (Layout::create_build_id): New function.
12500         (Layout::write_build_id): New function.
12501         (Close_task_runner::run): Call write_build_id.
12503         * x86_64.cc: Correct license to GPLv3.
12505 2008-03-23  Ian Lance Taylor  <iant@google.com>
12507         * options.cc: Include "demangle.h".
12508         (parse_optional_string): New function.
12509         (parse_long_option): Handle takes_optional_argument.
12510         (parse_short_option): Update dash_z initializer.  Handle
12511         takes_optional_argument.
12512         (General_options::General_options): Initialize do_demangle_.
12513         (General_options::finalize): Set do_demangle_.  Handle demangling
12514         style.
12515         * options.h (parse_optional_string): Declare.
12516         (struct One_option): Add optional_arg field.  Update constructor.
12517         Update call constructor calls.  Add takes_optional_argument
12518         function.
12519         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12520         (DEFINE_optional_string): Define.
12521         (General_options::demangle): Change from DEFINE_bool to
12522         DEFINE_optional_string.
12523         (General_options::no_demangle): New function.
12524         (General_options::do_demangle): New function.
12525         (General_options::set_do_demangle): New function.
12526         (General_options::execstack_status_): Move definition to end of
12527         class definition.
12528         (General_options::static_): Likewise.
12529         (General_options::do_demangle_): New field.
12530         * object.cc (big_endian>::get_symbol_location_info): Call
12531         Options::do_demangle, not Options::demangle.
12532         * symtab.cc (demangle): Likewise.
12534 2008-03-22  Ian Lance Taylor  <iant@google.com>
12536         * gold.h: Include <cstddef> and <sys/types.h>
12537         * options.h: Include <cstring>.
12539 2008-03-21  Ian Lance Taylor  <iant@google.com>
12541         * Added source code to GNU binutils.