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[binutils.git] / gold / ChangeLog
blob9560dab84885ebdf900a9965ab5de4121130d1b8
1 2010-10-20  Doug Kwan  <dougkwan@google.com>
3         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4         without SHF_LINK_ORDER flags.
5         * layout.cc (Layout::choose_output_section): Do not filter
6         SHF_LINK_ORDER flag in a relocatable link.
8 2010-10-17  Cary Coutant  <ccoutant@google.com>
10         * output.h (Output_segment::set_section_addresses): Change function
11         signature.  Update all callers.
12         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
13         sections.
14         (Output_segment::set_section_addresses): Align after last TLS
15         section.  Add padding before last relro section instead of after.
17 2010-10-17  Doug Kwan  <dougkwan@google.com>
19         * gold/arm.cc (Target_arm::got_section): Use correct order and set
20         GOT output section to be writable.
22 2010-10-14  Cary Coutant  <ccoutant@google.com>
24         * debug.h (DEBUG_INCREMENTAL): New flag.
25         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
26         * gold.cc (queue_initial_tasks): Check parameters for incremental link
27         mode.
28         * incremental.cc (report_command_line): Ignore all forms of
29         --incremental.
30         * layout.cc (Layout::Layout): Check parameters for incremental link
31         mode.
32         * options.cc (General_options::parse_incremental): New function.
33         (General_options::parse_no_incremental): New function.
34         (General_options::parse_incremental_full): New function.
35         (General_options::parse_incremental_update): New function.
36         (General_options::incremental_mode_): New data member.
37         (General_options::finalize): Check incremental_mode_.
38         * options.h (General_options): Update help text for --incremental.
39         Add --no-incremental, --incremental-full, --incremental-update.
40         (General_options::Incremental_mode): New enum type.
41         (General_options::incremental_mode): New function.
42         (General_options::incremental_mode_): New data member.
43         * parameters.cc (Parameters::incremental_mode_): New data member.
44         (Parameters::set_options): Set incremental_mode_.
45         (Parameters::set_incremental_full): New function.
46         (Parameters::incremental): New function.
47         (Parameters::incremental_update): New function.
48         (set_parameters_incremental_full): New function.
49         * parameters.h (Parameters::set_incremental_full): New function.
50         (Parameters::incremental): New function.
51         (Parameters::incremental_update): New function.
52         (Parameters::incremental_mode_): New data member.
53         (set_parameters_incremental_full): New function.
54         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
55         incremental link mode.
56         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
57         (Sized_relobj::do_relocate_sections): Likewise.
58         * testsuite/Makefile.am (incremental_test): Use --incremental-full
59         option.
60         * testsuite/Makefile.in: Regenerate.
61         * testsuite/incremental_test.sh: Filter all forms of --incremental.
63 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
65         * script-sections.h (class Script_sections): Make
66         Sections_elements typedef public.
67         * script-sections.cc (class Sort_output_sections): Add elements_
68         field.  Add constructor which sets it; change all callers.
69         (Sort_output_sections::is_before): New function.
70         (Sort_output_sections::operator()): Call is_before.
71         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
72         conditional.
73         * testsuite/script_test_10.sh: New test. Test script section
74         order.
75         * testsuite/script_test_10.t: Likewise.
76         * testsuite/script_test_10.s: Likewise.
77         * testsuite/Makefile.am: Wrap the cross linker tests and the
78         common tests into NATIVE_OR_CROSS_LINKER.
79         (check_SCRIPTS): Add script_test_10.sh.
80         (check_DATA): Add script_test_10.stdout.
81         (script_test_10.o, script_test_10): New targets.
82         (script_test_10.stdout): New target.
83         * configure, testsuite/Makefile.in: Regenerate.
85 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
87         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
88         error for the deprecated relocations.
89         (Target_arm::Scan::global): Likewise.
90         (Target_arm::Relocate::relocate): Likewise.
92 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
94         * fileread.cc (Input_file::find_file): Initialize *found_name
95         and *namep when using the fallback search for case 4.
97 2010-10-11  Cary Coutant  <ccoutant@google.com>
99         * options.h (class General_options): Redefine -z lazy as an alias for
100         the negation of -z now.
102 2010-10-11  Ian Lance Taylor  <iant@google.com>
104         * resolve.cc (symbol_to_bits): Report the value of the unsupported
105         binding.
107 2010-10-06  Nick Clifton  <nickc@redhat.com>
109         * script-sections.cc(class Memory_region): Remove
110         current_lma_offset_ field.  Rename current_vma_offset_ to
111         current_offset_.  Add last_section_ field.
112         (Memory_region::get_current_vma_address): Rename to
113         get_current_address.
114         (Memory_region::get_current_lma_address): Delete.
115         (Memory_region::increment_vma_offset): Rename to
116         increment_offset.
117         (Memory_region::increment_lma_offset): Delete.
118         (Memory_region::attributes_compatible): New method.  Returns
119         true if the provided section is compatible with the region.
120         (Memory_region::get_last_section): New method.  Returns the last
121         section to use the region.
122         (Memory_region::set_last_section): New method.  Stores the last
123         section to use the region.
124         (Script_sections::block_in_region): New method.  Returns true if
125         a block of memory is contained within a region.
126         (Script_sections::find_memory_region): New method.  Locates a
127         memory region to be used to set a VMA or LMA address.
128         (Output_section_definition::set_section_addresses): Add code to
129         check for addresses set by memory regions.
130         (Output_segment::set_section_addresses): Remove memory region
131         walking code.
132         (Script_sections::create_segment): Add a warning if a header
133         segment is created outside of any region.
134         * script-sections.h (class Script_sections): Add prototypes for
135         find_memory_region and block_in_region methods.
136         * testsuite/memory_test.s: Use .long instead of .word.
137         * testsuite/memory_test.t: Add some more output sections.
138         * testsuite/memory_test.sh: Update expected output.
140 2010-10-02  Doug Kwan  <dougkwan@google.com>
142         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
143         defintion to symtab.h
144         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
145         declaration to defintion.
147 2010-10-01  Nick Clifton  <nickc@redhat.com>
149         * expression.cc (eval): Replace dummy argument with NULL.
150         (eval_maybe_dot): Check for a NULL result section pointer.
151         (Symbol_expression::value): Likewise.
152         (Dot_expression::value): Likewise.
153         (BINARY_EXPRESSION): Likewise.
154         (Max_expression::value): Likewise.
155         (Min_expression::value): Likewise.
156         (Absolute_expression::value): Likewise.
157         (Addr_expression::value_from_output_section): Likewise.
158         (Loaddddr_expression::value_from_output_section): Likewise.
159         (Segment_start_expression::value): Likewise.
160         * script-sections.cc
161         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
162         argument with NULL.
163         (Sections_elememt_dot_assignment::set_section_addresses):
164         Likewise.
165         (Output_data_expression::do_write_to_buffer): Likewise.
166         (Output_section_definition::finalize_symbols): Likewise.
167         (Output_section_definition::set_section_addresses): Likewise.
169 2010-09-30  Doug Kwan  <dougkwan@google.com>
171         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
173 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
175         * target.h (Target::can_icf_inline_merge_sections): New virtual
176         function.
177         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
178         virtual function.
179         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
180         virtual function.
181         * icf.cc (get_section_contents): Inline merge sections only when
182         target allows it.
184 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
186         * configure: Regenerate.
188 2010-09-17  Ian Lance Taylor  <iant@google.com>
190         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
191         * testsuite/Makefile.am (memory_test.o): New target.
192         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
193         memory_test.t.
194         * testsuite/Makefile.in: Rebuild.
196 2010-09-17  Doug Kwan  <dougkwan@google.com>
198         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
199         defintion if relocation uses GOT entries of the symbol.
200         * testsuite/icf_safe_test.sh: Fix test.
201         * testsuite/icf_safe_so_test.sh: Fix test.
203 2010-09-16  Cary Coutant  <ccoutant@google.com>
205         * script_sections.cc (class Memory_region): Remove "NULL" from
206         vector initializations.
208 2010-09-15  Cary Coutant  <ccoutant@google.com>
210         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
211         Resolve forwarding symbols.
213 2010-09-15  Doug Kwan  <dougkwan@google.com>
215         * gold/testsuite/script_test_3.t: Add ARM special sections.
216         * gold/testsuite/script_test_4.t: Same.
217         * gold/testsuite/script_test_5.t: Same.
218         * gold/testsuite/script_test_6.t: Same.
219         * gold/testsuite/script_test_7.t: Same.
220         * gold/testsuite/script_test_7.t: Same.
221         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
223 2010-09-14  Cary Coutant  <ccoutant@google.com>
225         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
226         (Target_x86_64::Relocate::relocate_tls): Replace check for
227         saw_tls_block_reloc_ with test for executable section.
229 2010-09-12  Cary Coutant  <ccoutant@google.com>
231         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
232         position-independent executables to shared libraries need dynamic
233         relocations.
234         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
235         position-independent executables.
236         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
237         * testsuite/Makefile.in: Regenerate.
239 2010-09-10  Nick Clifton  <nickc@redhat.com>
241         PR gold/11997
242         * testsuite/memory_test.t: Discard any sections that are not
243         needed.
245 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
247         PR gold/11996
248         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
249         "This::" to work around a bug in gcc 4.2.
251         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
253 2010-09-09  Rafael Espindola  <espindola@google.com>
255         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
256         sections with different PF_X flags in the same segment.
257         (Layout::find_first_load_seg): Search all segments to find the first
258         one.
259         * options.h (rosegment): New.
261 2010-09-08  Rafael Espindola  <espindola@google.com>
263         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
265 2010-09-08  Doug Kwan  <dougkwan@google.com>
267         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
268         (Arm_relobj::do_relocate_sections): Add new parameter for output
269         file to match the parent.
270         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
271         of local symbols instead of input values.  Update code to track
272         changes in gold::relocate_section.
273         * object.cc (Sized_relobj::compute_final_local_value): New methods.
274         (Sized_relobj::compute_final_local_value_internal): New methods.
275         (Sized_relobj::do_finalize_local_symbols): Move code from loop
276         body into private version of Sized_relobj::compute_final_local_value.
277         Call the inline method.
278         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
279         merged symbol value if there is one.
280         (Symbol_value::has_output_value): New method defintiion.
281         (Sized_relobj::Compute_final_local_value_status): New enum type.
282         (Sized_relobj::compute_final_local_value): New methods.
283         (Sized_relobj::compute_final_local_value_internal): New methods.
284         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
285         and arm_cortex_a8.sh.
286         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
287         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
288         New tests.
289         * Makefile.in: Regenerate.
290         * testsuite/arm_bl_out_of_range.s: Update test.
291         * testsuite/thumb_bl_out_of_range.s: Ditto.
292         * testsuite/thumb_blx_out_of_range.s: Ditto.
293         * testsuite/arm_branch_out_of_range.sh: New file.
294         * testsuite/arm_cortex_a8.sh: Ditto.
295         * testsuite/arm_cortex_a8_b.s: Ditto.
296         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
297         * testsuite/arm_cortex_a8_b_local.s: Ditto.
298         * testsuite/arm_cortex_a8_bl.s: Ditto.
299         * testsuite/arm_cortex_a8_blx.s: Ditto.
300         * testsuite/arm_cortex_a8_local.s: Ditto.
301         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
302         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
304 2010-09-08  Rafael Espindola  <espindola@google.com>
306         * Makefile.am (memory_test.stdout): Run readelf with -W.
307         * Makefile.in: Regenerate.
308         * testsuite/memory_test.sh: Make the regexps accept both 32 and
309         64 bit output.
311 2010-09-08  Rafael Espindola  <espindola@google.com>
313         * script-sections.cc (Script_sections::add_memory_region): Convert
314         field precision to int.
315         * script.cc (script_set_section_region, script_set_section_region):
316         Convert field precision to int.
318 2010-09-08  Rafael Espindola  <espindola@google.com>
320         * arm.cc (do_finalize_sections): Create the __exidx_start and
321         __exdix_end symbols even when the section is missing.
323 2010-09-08  Nick Clifton  <nickc@redhat.com>
325         * README: Remove claim that MEMORY is not supported.
326         * expression.cc (script_exp_function_origin)
327         (script_exp_function_length): Move from here to ...
328         * script.cc: ... here.
329         (script_set_section_region, script_add_memory)
330         (script_parse_memory_attr, script_include_directive): New
331         functions.
332         * script-sections.cc
333         (class Memory_region): New class.
334         (class Output_section_definition): Add set_memory_region,
335         set_section_vma, set_section_lma and get_section_name methods.
336         (class Script_Sections): Add add_memory_region,
337         find_memory_region, find_memory_region_origin,
338         find_memory_region_length and set_memory_region methods.
339         Have set_section_addresses method walk the list of set memory
340         regions.
341         Extend the print methos to display memory regions.
342         * script-sections.h: Add prototypes for new methods.
343         Add enum for MEMORY region attributes.
344         * yyscript.y: Add support for parsing MEMORY regions.
345         * script-c.h: Add prototypes for new functions.
346         * testsuite/Makefile.am: Add test of MEMORY region functionality.
347         * testsuite/Makefile.in: Regenerate.
348         * testsuite/memory_test.sh: New script.
349         * testsuite/memory_test.s: New assembler source file.
350         * testsuite/memory_test.t: New linker script.
352 2010-08-27  Doug Kwan  <dougkwan@google.com>
354         * gold/resolve.cc (Symbol_table::should_override): Let a weak
355         reference override an existing dynamic weak reference.
356         * testsuite/Makefile.am: Add new test dyn_weak_ref.
357         * testsuite/Makefile.in: Regenerate.
358         * testsuite/dyn_weak_ref.sh: New file.
359         * testsuite/dyn_weak_ref_1.c: Ditto.
360         * testsuite/dyn_weak_ref_2.c: Ditto.
362 2010-08-27  Ian Lance Taylor  <iant@google.com>
364         * incremental.h (class Incremental_input_entry): Add virtual
365         destructor.
367 2010-08-27  Ian Lance Taylor  <iant@google.com>
369         * testsuite/start_lib_test_3.c: Mark t3 as used.
371 2010-08-27  Nick Clifton  <nickc@redhat.com>
373         * options.cc (version_script): Fix small typo in previous
374         whitespace tidyup.
376 2010-08-25  Nick Clifton  <nickc@redhat.com>
378         * archive.cc: Formatting fixes: Remove whitespace between
379         typename and following asterisk.  Remove whitespace between
380         function name and opening parenthesis.
381         * archive.h: Likewise.
382         * arm.cc: Likewise.
383         * attributes.cc: Likewise.
384         * attributes.h: Likewise.
385         * common.cc: Likewise.
386         * copy-relocs.cc: Likewise.
387         * dirsearch.h: Likewise.
388         * dynobj.cc: Likewise.
389         * ehframe.cc: Likewise.
390         * ehframe.h: Likewise.
391         * expression.cc: Likewise.
392         * fileread.cc: Likewise.
393         * fileread.h: Likewise.
394         * gc.h: Likewise.
395         * gold-threads.cc: Likewise.
396         * gold.cc: Likewise.
397         * i386.cc: Likewise.
398         * icf.h: Likewise.
399         * incremental-dump.cc: Likewise.
400         * incremental.cc: Likewise.
401         * layout.cc: Likewise.
402         * layout.h: Likewise.
403         * main.cc: Likewise.
404         * merge.cc: Likewise.
405         * merge.h: Likewise.
406         * object.cc: Likewise.
407         * object.h: Likewise.
408         * options.cc: Likewise.
409         * options.h: Likewise.
410         * output.cc: Likewise.
411         * output.h: Likewise.
412         * plugin.cc: Likewise.
413         * plugin.h: Likewise.
414         * powerpc.cc: Likewise.
415         * reloc.cc: Likewise.
416         * script-c.h: Likewise.
417         * script-sections.cc: Likewise.
418         * script.cc: Likewise.
419         * stringpool.cc: Likewise.
420         * symtab.cc: Likewise.
421         * symtab.h: Likewise.
422         * target.cc: Likewise.
423         * timer.cc: Likewise.
424         * timer.h: Likewise.
425         * version.cc: Likewise.
426         * x86_64.cc: Likewise.
428 2010-08-24  Nick Clifton  <nickc@redhat.com>
430         PR 11899
431         * layout.cc (segment_precedes): Sort segments by their physical
432         addresses, if they have been set.
434 2010-08-23  Cary Coutant  <ccoutant@google.com>
436         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
437         symbols data.
438         (Lib_group::include_member): Unlock object after deleting its
439         symbols data.
440         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
441         the bug fixed here.
443 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
444             Cary Coutant  <ccoutant@google.com>
446         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
447         constructor, and set_blocker.
448         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
449         readsyms_blocker_.
450         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
451         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
452         * testsuite/Makefile.am (start_lib_test): New test case.
453         * testsuite/Makefile.in: Regenerate.
454         * testsuite/start_lib_test_main.c: New file.
455         * testsuite/start_lib_test_1.c: New file.
456         * testsuite/start_lib_test_2.c: New file.
457         * testsuite/start_lib_test_3.c: New file.
459 2010-08-19  Ian Lance Taylor  <iant@google.com>
461         * Makefile.in: Rebuild with automake 1.11.1.
462         * aclocal.m4: Likewise.
463         * testsuite/Makefile.in: Likewise.
465 2010-08-19  Ian Lance Taylor  <iant@google.com>
467         PR 10893
468         * i386.cc (class Output_data_plt_i386): Update declarations.
469         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
470         local_ifuncs_ fields.
471         (Target_i386::do_plt_section_for_global): New function.
472         (Target_i386::do_plt_section_for_local): New function.
473         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
474         parameter; change all callers.  Initialize global_ifuncs_ and
475         local_ifuncs_.  If doing a static link define __rel_iplt_start and
476         __rel_iplt_end.
477         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
478         (Output_data_plt_i386::add_local_ifunc_entry): New function.
479         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
480         symbols.
481         (Target_i386::make_plt_section): New function, broken out of
482         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
483         (Target_i386::make_plt_entry): Call make_plt_section.
484         (Target_i386::make_local_ifunc_plt_entry): New function.
485         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
486         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
487         R_386_IRELATIVE to switch.
488         (Target_i386::Scan::global): Likewise.
489         (Target_i386::Relocate::relocate): Likewise.
490         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
491         switch.
492         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
493         (Target_x86_64::do_plt_section_for_global): New function.
494         (Target_x86_64::do_plt_section_for_local): New function.
495         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
496         parameter; change all callers.  If doing a static link define
497         __rela_iplt_start and __rela_iplt_end.
498         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
499         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
500         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
501         to point to .plt.
502         (Target_x86_64::make_local_ifunc_plt_entry): New function.
503         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
504         switch.
505         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
506         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
507         R_X86_64_IRELATIVE to switch.
508         (Target_x86_64::Scan::global): Likewise.
509         (Target_x86_64::Relocate::relocate): Likewise.
510         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
511         switch.
512         * target.h (class Target): Add plt_section_for_global and
513         plt_section_for_local functions.  Add do_plt_section_for_global
514         and do_plt_section_for_local virtual functions.
515         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
516         clarifying comments.
517         (Symbol::use_plt_offset): Handle IFUNC symbol.
518         * object.cc (Sized_relobj::Sized_relobj): Initialize
519         local_plt_offsets_.
520         (Sized_relobj::local_has_plt_offset): New function.
521         (Sized_relobj::local_plt_offset): New function.
522         (Sized_relobj::set_local_plt_offset): New function.
523         (Sized_relobj::do_count): Handle IFUNC symbol.
524         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
525         a bit away from input_shndx_ field.  Add set_is_func_symbol and
526         is_ifunc_symbol functions.
527         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
528         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
529         local_plt_offsets_ field.
530         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
531         * output.h (class Output_section_data): Add non-const
532         output_section function.
533         (class Output_data_got): Update declarations.
534         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
535         Add use_plt_offset parameter to global and local constructors.
536         Change all callers.  Change local_sym_index_ field to 31 bits.
537         Change GSYM_CODE and CONSTANT_CODE accordingly.
538         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
539         doing a static link don't set sh_link field.
540         (Output_data_got::Got_entry::write): Use PLT offset if
541         appropriate.
542         (Output_data_got::add_global_plt): New function.
543         (Output_data_got::add_local_plt): New function.
544         * target-reloc.h (relocate_section): Handle IFUNC symbol.
545         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
546         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
547         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
548         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
549         IFUNC conditional.
550         * testsuite/ifunc-sel.h: New file.
551         * testsuite/ifuncmain1.c: New file.
552         * testsuite/ifuncmain1vis.c: New file.
553         * testsuite/ifuncmod1.c: New file.
554         * testsuite/ifuncdep2.c: New file.
555         * testsuite/ifuncmain2.c: New file.
556         * testsuite/ifuncmain3.c: New file.
557         * testsuite/ifuncmod3.c: New file.
558         * testsuite/ifuncmain4.c: New file.
559         * testsuite/ifuncmain5.c: New file.
560         * testsuite/ifuncmod5.c: New file.
561         * testsuite/ifuncmain6pie.c: New file.
562         * testsuite/ifuncmod6.c: New file.
563         * testsuite/ifuncmain7.c: New file.
564         * configure, testsuite/Makefile.in: Rebuild.
566 2010-08-18  Ian Lance Taylor  <iant@google.com>
568         * incremental.cc
569         (Output_section_incremental_inputs::write_input_files): Add cast
570         to avoid signed/unsigned comparison warning.
571         (Output_section_incremental_inputs::write_info_blocks): Likewise.
573 2010-08-12  Cary Coutant  <ccoutant@google.com>
575         * common.cc (Sort_commons::operator()): Remove unnecessary code.
577 2010-08-13  Ian Lance Taylor  <iant@google.com>
579         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
581 2010-08-12  Cary Coutant  <ccoutant@google.com>
582             Doug Kwan  <dougkwan@google.com>
584         * resolve.cc (Symbol_table::should_override): When a weak dynamic
585         defintion overrides non-weak undef, remember that the original undef
586         is not weak.
587         * symtab.cc (Symbol_table::sized_write_global): For undef without
588         an original weak binding, set binding to global in output.
589         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
590         * testsuite/Makefile.in: Regenerate.
591         * testsuite/strong_ref_weak_def.sh: New file.
592         * testsuite/strong_ref_weak_def_1.c: Ditto.
593         * testsuite/strong_ref_weak_def_2.c: Ditto.
595 2010-08-12  Cary Coutant  <ccoutant@google.com>
597         * testsuite/incremental_test.sh: Rewrite.
598         * testsuite/incremental_test_1.c: Rewrite.
599         * testsuite/incremental_test_2.c: Rewrite.
601 2010-08-12  Cary Coutant  <ccoutant@google.com>
603         * arm.cc (Target_arm::got_size): Add const.
604         (Target_arm::got_entry_count): New function.
605         (Target_arm::plt_entry_count): New function.
606         (Target_arm::first_plt_entry_offset): New function.
607         (Target_arm::plt_entry_size): New function.
608         (Output_data_plt_arm::entry_count): New function.
609         (Output_data_plt_arm::first_plt_entry_offset): New function.
610         (Output_data_plt_arm::get_plt_entry_size): New function.
611         * i386.cc (Target_i386::got_size): Add const.
612         (Target_i386::got_entry_count): New function.
613         (Target_i386::plt_entry_count): New function.
614         (Target_i386::first_plt_entry_offset): New function.
615         (Target_i386::plt_entry_size): New function.
616         (Output_data_plt_i386::entry_count): New function.
617         (Output_data_plt_i386::first_plt_entry_offset): New function.
618         (Output_data_plt_i386::get_plt_entry_size): New function.
619         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
620         find_incremental_inputs_sections.  Dump incremental_got_plt section.
621         * incremental.cc: Include target.h.
622         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
623         parameter.  Adjust all callers.  Find incremental_got_plt section.
624         (Incremental_inputs::create_data_sections): Create incremental_got_plt
625         section.
626         (Output_section_incremental_inputs::set_final_data_size): Calculate
627         size of incremental_got_plt section.
628         (Output_section_incremental_inputs::do_write): Write the
629         incremental_got_plt section.
630         (Got_plt_view_info): New struct.
631         (Local_got_offset_visitor): New class.
632         (Global_got_offset_visitor): New class.
633         (Global_symbol_visitor_got_plt): New class.
634         (Output_section_incremental_inputs::write_got_plt): New function.
635         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
636         Add parameter.  Adjust all callers.
637         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
638         (Incremental_inputs::got_plt_section): New function.
639         (Incremental_inputs::got_plt_section_): New data member.
640         (Incremental_got_plt_reader): New class.
641         * layout.cc (Layout::create_incremental_info_sections): Add the
642         incremental_got_plt section.
643         * object.h (Got_offset_list::get_list): New function.
644         (Got offset_list::for_all_got_offsets): New function.
645         (Sized_relobj::local_got_offset_list): New function.
646         * powerpc.cc (Target_powerpc::got_size): Add const.
647         (Target_powerpc::got_entry_count): New function.
648         (Target_powerpc::plt_entry_count): New function.
649         (Target_powerpc::first_plt_entry_offset): New function.
650         (Target_powerpc::plt_entry_size): New function.
651         (Output_data_plt_powerpc::entry_count): New function.
652         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
653         (Output_data_plt_powerpc::get_plt_entry_size): New function.
654         * sparc.cc (Target_sparc::got_size): Add const.
655         (Target_sparc::got_entry_count): New function.
656         (Target_sparc::plt_entry_count): New function.
657         (Target_sparc::first_plt_entry_offset): New function.
658         (Target_sparc::plt_entry_size): New function.
659         (Output_data_plt_sparc::entry_count): New function.
660         (Output_data_plt_sparc::first_plt_entry_offset): New function.
661         (Output_data_plt_sparc::get_plt_entry_size): New function.
662         * symtab.h (Symbol::got_offset_list): New function.
663         (Symbol_table::for_all_symbols): New function.
664         * target.h (Sized_target::got_entry_count): New function.
665         (Sized_target::plt_entry_count): New function.
666         (Sized_target::plt_entry_size): New function.
667         * x86_64.cc (Target_x86_64::got_size): Add const.
668         (Target_x86_64::got_entry_count): New function.
669         (Target_x86_64::plt_entry_count): New function.
670         (Target_x86_64::first_plt_entry_offset): New function.
671         (Target_x86_64::plt_entry_size): New function.
672         (Output_data_plt_x86_64::entry_count): New function.
673         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
674         (Output_data_plt_x86_64::get_plt_entry_size): New function.
676 2010-08-12  Cary Coutant  <ccoutant@google.com>
678         * archive.cc: Include incremental.h.
679         (Archive::Archive): Initialize incremental_info_.
680         (Archive::include_member): Record archive members in incremental info.
681         (Add_archive_symbols::run): Record begin and end of an archive in
682         incremental info.
683         (Lib_group::include_member): Record objects in incremental info.
684         * archive.h (Incremental_archive_entry): Forward declaration.
685         (Archive::set_incremental_info): New member function.
686         (Archive::incremental_info): New member function.
687         (Archive::Unused_symbol_iterator): New class.
688         (Archive::unused_symbols_begin): New member function.
689         (Archive::unused_symbols_end): New member function.
690         (Archive::incremental_info_): New data member.
691         * incremental-dump.cc (find_input_containing_global): New function.
692         (dump_incremental_inputs): Dump new incremental info sections.
693         * incremental.cc: Include symtab.h.
694         (Output_section_incremental_inputs): New class.
695         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
696         new incremental info sections.
697         (Sized_incremental_binary::do_check_inputs): Likewise.
698         (Incremental_inputs::report_archive): Remove.
699         (Incremental_inputs::report_archive_begin): New function.
700         (Incremental_inputs::report_archive_end): New function.
701         (Incremental_inputs::report_object): New function.
702         (Incremental_inputs::finalize_inputs): Remove.
703         (Incremental_inputs::report_input_section): New function.
704         (Incremental_inputs::report_script): Rewrite.
705         (Incremental_inputs::finalize): Do nothing but finalize string table.
706         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
707         (Incremental_inputs::sized_create_inputs_section_data): Remove.
708         (Incremental_inputs::create_data_sections): New function.
709         (Incremental_inputs::relocs_entsize): New function.
710         (Output_section_incremental_inputs::set_final_data_size): New function.
711         (Output_section_incremental_inputs::do_write): New function.
712         (Output_section_incremental_inputs::write_header): New function.
713         (Output_section_incremental_inputs::write_input_files): New function.
714         (Output_section_incremental_inputs::write_info_blocks): New function.
715         (Output_section_incremental_inputs::write_symtab): New function.
716         * incremental.h (Incremental_script_entry): Forward declaration.
717         (Incremental_object_entry): Forward declaration.
718         (Incremental_archive_entry): Forward declaration.
719         (Incremental_inputs): Forward declaration.
720         (Incremental_inputs_header_data): Remove.
721         (Incremental_inputs_header): Remove.
722         (Incremental_inputs_header_write): Remove.
723         (Incremental_inputs_entry_data): Remove.
724         (Incremental_inputs_entry): Remove.
725         (Incremental_inputs_entry_write): Remove.
726         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
727         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
728         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
729         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
730         Likewise.
731         (Incremental_input_entry): New class.
732         (Incremental_script_entry): New class.
733         (Incremental_object_entry): New class.
734         (Incremental_archive_entry): New class.
735         (Incremental_inputs::Incremental_inputs): Initialize new data members.
736         (Incremental_inputs::report_inputs): Remove.
737         (Incremental_inputs::report_archive): Remove.
738         (Incremental_inputs::report_archive_begin): New function.
739         (Incremental_inputs::report_archive_end): New function.
740         (Incremental_inputs::report_object): Change prototype.
741         (Incremental_inputs::report_input_section): New function.
742         (Incremental_inputs::report_script): Change prototype.
743         (Incremental_inputs::get_reloc_count): New function.
744         (Incremental_inputs::set_reloc_count): New function.
745         (Incremental_inputs::create_data_sections): New function.
746         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
747         (Incremental_inputs::inputs_section): New function.
748         (Incremental_inputs::symtab_section): New function.
749         (Incremental_inputs::relocs_section): New function.
750         (Incremental_inputs::get_stringpool): Add const.
751         (Incremental_inputs::command_line): Add const.
752         (Incremental_inputs::inputs): Remove.
753         (Incremental_inputs::command_line_key): New function.
754         (Incremental_inputs::input_file_count): New function.
755         (Incremental_inputs::input_files): New function.
756         (Incremental_inputs::relocs_entsize): New function.
757         (Incremental_inputs::sized_create_inputs_section_data): Remove.
758         (Incremental_inputs::finalize_inputs): Remove.
759         (Incremental_inputs::Input_info): Remove.
760         (Incremental_inputs::lock_): Remove.
761         (Incremental_inputs::inputs_): Change type.
762         (Incremental_inputs::inputs_map_): Remove.
763         (Incremental_inputs::current_object_entry_): New data member.
764         (Incremental_inputs::inputs_section_): New data member.
765         (Incremental_inputs::symtab_section_): New data member.
766         (Incremental_inputs::relocs_section_): New data member.
767         (Incremental_inputs::reloc_count_): New data member.
768         (Incremental_inputs_reader): New class.
769         (Incremental_symtab_reader): New class.
770         (Incremental_relocs_reader): New class.
771         * layout.cc (Layout::finalize): Move finalization of incremental info
772         and creation of incremental info sections to follow finalization of
773         symbol table.  Set offsets for postprocessing sections.
774         (Layout::create_incremental_info_sections): Call
775         Incremental_inputs::create_data_sections.  Add incremental symtab
776         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
777         sections to layout after input sections.
778         * layout.h (struct Timespec): Forward declaration.
779         (Layout::incremental_inputs): Add const.
780         (Layout::create_incremental_info_sections): Add parameter.
781         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
782         * object.cc: Include incremental.h.
783         (Relobj::finalize_incremental_relocs): New function.
784         (Sized_relobj::do_layout): Record input sections in incremental info.
785         * object.h (Object::output_section): New function.
786         (Object::output_section_offset): Moved from Relobj.
787         (Object::get_incremental_reloc_base): New function.
788         (Object::get_incremental_reloc_count): New function.
789         (Object::do_output_section): New function.
790         (Object::do_output_section_offset): Moved from Relobj.
791         (Object::do_get_incremental_reloc_base): New function.
792         (Object::do_get_incremental_reloc_count): New function.
793         (Object::Object): Initialize new data members.
794         (Relobj::output_section): Renamed do_output_section and moved to
795         protected.
796         (Relobj::output_section_offset): Moved to Object.
797         (Relobj::do_get_incremental_reloc_base): New function.
798         (Relobj::do_get_incremental_reloc_count): New function.
799         (Relobj::allocate_incremental_reloc_counts): New function.
800         (Relobj::count_incremental_reloc): New function.
801         (Relobj::finalize_incremental_relocs): New function.
802         (Relobj::next_incremental_reloc_index): New function.
803         (Relobj::reloc_counts_): New data member.
804         (Relobj::reloc_bases_): New data member.
805         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
806         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
807         (Sized_relobj::incremental_relocs_scan): New function.
808         (Sized_relobj::incremental_relocs_scan_reltype): New function.
809         (Sized_relobj::incremental_relocs_write): New function.
810         (Sized_relobj::incremental_relocs_write_reltype): New function.
811         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
812         incremental link.
813         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
814         archives and object files elsewhere.
815         (Add_symbols::run): Report object files here.
816         (Finish_group::run): Report end of archive at end of group.
817         * reloc.cc: Include layout.h, incremental.h.
818         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
819         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
820         (Sized_relobj::incremental_relocs_scan): New function.
821         (Sized_relobj::incremental_relocs_scan_reltype): New function.
822         (Sized_relobj::do_relocate_sections): Write incremental relocations.
823         (Sized_relobj::incremental_relocs_write): New function.
824         (Sized_relobj::incremental_relocs_write_reltype): New function.
825         * script.cc (read_input_script): Rewrite test for incremental link.
826         Change call to Incremental_inputs::report_script.
827         * symtab.h (Symbol_table::first_global_index): New function.
828         (Symbol_table::output_count): New function.
830 2010-08-12  Doug Kwan  <dougkwan@google.com>
832         * arm.cc (Target_arm::merge_object_attributes): Check command line
833         options --no-wchar-size-warning and --no-enum-size-warning.
834         * options.h (General_options): Add ld-compatible options
835         --no-enum-size-warning and --no-wchar-size-warning.
837 2010-08-04  Ian Lance Taylor  <iant@google.com>
839         * x86_64.cc (Target_x86_64::Scan::local): Use
840         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
841         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
842         (Target_x86_64::Scan::global): Likewise.
843         (Target_x86_64::Relocate::relocate): Likewise.
844         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
845         Likewise.
847 2010-08-03  Cary Coutant  <ccoutant@google.com>
849         * merge.cc (Output_merge_string::do_add_input_section): Count strings
850         to reserve space in merged_strings vector. Keep total input size
851         for stats.
852         (Output_merge_string::do_print_merge_stats): Print total input size.
853         * merge.h (Output_merge_string): Add input_size_ field.
854         * stringpool.cc (Stringpool_template::string_length): Move
855         implementations out of Stringpool_template class and place in
856         stringpool.h.
857         * stringpool.h (string_length): Move out of Stringpool_template.
859 2010-08-03  Ian Lance Taylor  <iant@google.com>
861         PR 11712
862         * layout.cc (relaxation_loop_body): If address of load segment is
863         set, adjust address to include headers if possible.
865 2010-08-03  Ian Lance Taylor  <iant@google.com>
867         * version.cc (version_string): Bump to 1.10.
869 2010-08-03  Ian Lance Taylor  <iant@google.com>
871         PR 11805
872         * layout.h (enum Output_section_order): Define.
873         (class Layout): Update declarations.
874         * layout.cc (Layout::get_output_section): Add order parameter.
875         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
876         is_first_non_relro parameters.  Change all callers.
877         (Layout::choose_output_section): Likewise.
878         (Layout::add_output_section_data): Likewise.
879         (Layout::make_output_section): Likewise.  Set order.
880         (Layout::default_section_order): New function.
881         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
882         * output.cc (Output_section::Output_section): Initialize order_.
883         Don't initialize deleted fields.
884         (Output_segment::Output_segment): Don't initialize deleted
885         fields.
886         (Output_segment::add_output_section_to_load): New function
887         replacing add_output_section.  Change all callers to call this or
888         add_output_section_to_nonload.
889         (Output_segment::add_output_section_to_nonload): New function.
890         (Output_segment::remove_output_section): Rewrite.
891         (Output_segment::add_initial_output_data): Likewise.
892         (Output_segment::has_any_data_sections): Likewise.
893         (Output_segment::is_first_section_relro): Likewise.
894         (Output_segment::maximum_alignment): Likewise.
895         (Output_segment::has_dynamic_reloc): New function replacing
896         dynamic_reloc_count.  Change all callers.
897         (Output_segment::has_dynamic_reloc_list): New function replacing
898         dynamic_reloc_count_list.  Change all callers.
899         (Output_segment::set_section_addresses): Rewrite.
900         (Output_segment::set_offset): Rewrite.
901         (Output_segment::find_first_and_last_list): Remove.
902         (Output_segment::set_tls_offsets): Rewrite.
903         (Output_segment::first_section_load_address): Likewise.
904         (Output_segment::output_section_count): Likewise.
905         (Output_segment::section_with_lowest_load_address): Likewise.
906         (Output_segment::write_section_headers): Likewise.
907         (Output_segment::print_sections_to_map): Likewise.
908         * output.h (class Output_data): Remove dynamic_reloc_count_
909         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
910         (Output_data::add_dynamic_reloc): Rewrite.
911         (Output_data::has_dynamic_reloc): New function.
912         (Output_data::dynamic_reloc_count): Remove.
913         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
914         is_last_relro_, is_first_non_relro_, is_interp_,
915         is_dynamic_linker_section_ fields.  Add order and set_order
916         functions.  Remove is_relro_local, set_is_relro_local,
917         is_last_relro, set_is_last_relro, is_first_non_relro,
918         set_is_first_non_relro functions, is_interp, set_is_interp,
919         is_dynamic_linker_section, and set_is_dynamic_linker_section
920         functions.
921         (class Output_segment): Change Output_data_list from std::list to
922         std:;vector.  Add output_lists_ field.  Remove output_data_ and
923         output_bss_ fields.  Update declarations.
925 2010-08-02  Ian Lance Taylor  <iant@google.com>
927         * arm.cc (Target_arm::gc_process_relocs): Use typename.
928         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
929         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
931 2010-08-02  Ian Lance Taylor  <iant@google.com>
933         PR 11855
934         * script.cc (Script_options::Script_options): Initialize
935         symbol_definitions_ and symbol_references_.
936         (Script_options::add_symbol_assignment): Update
937         symbol_definitions_ and symbol_references_.
938         (Script_options::add_symbol_reference): New function.
939         (script_symbol): New function.
940         * script.h (class Script_options): Add symbol_definitions_ and
941         symbol_references_ fields.
942         (Script_options::referenced_const_iterator): New type.
943         (Script_options::referenced_begin): New function.
944         (Script_options::referenced_end): New function.
945         (Script_options::is_referenced): New function.
946         (Script_options::any_unreferenced): New function.
947         * script-c.h (script_symbol): Declare.
948         * yyscript.y (exp): Call script_symbol.
949         * symtab.cc: Include "script.h".
950         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
951         Change all callers.  Check symbols referenced by scripts.
952         (Symbol_table::add_undefined_symbols_from_command_line): Add
953         layout parameter.  Change all callers.
954         (Symbol_table::do_add_undefined_symbols_from_command_line):
955         Likewise.  Break out loop body.  Check symbols referenced by
956         scripts.
957         (Symbol_table::add_undefined_symbol_from_command_line): New
958         function broken out of
959         do_add_undefined_symbols_from_command_line.
960         * symtab.h (class Symbol_table): Update declarations.
961         * archive.cc: Include "layout.h".
962         (Archive::should_include_member): Add layout parameter.  Change
963         all callers.  Check for symbol mentioned in expression.
964         * archive.h (class Archive): Update declaration.
965         * object.cc (Sized_relobj::do_should_include_member): Add layout
966         parameter.
967         * object.h (Object::should_include_member): Add layout parameter.
968         Change all callers.
969         (Object::do_should_include_member): Add layout parameter.
970         (class Sized_relobj): Update declaration.
971         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
972         parameter.
973         * dynobj.h (class Sized_dynobj): Update declaration.
974         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
975         layout parameter.
976         * plugin.h (class Sized_pluginobj): Update declaration.
978 2010-08-02  Ian Lance Taylor  <iant@google.com>
980         PR 11866
981         * output.cc (Output_segment::set_offset): Search for the first and
982         last sections rather than assuming that the list is in order.
983         (Output_segment::find_first_and_last_list): New function.
984         * output.h (class Output_segment): Update declarations.
985         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
986         (relro_strip_test_SOURCES): New variable.
987         (relro_strip_test_DEPENDENCIES): New variable.
988         (relro_strip_test_LDFLAGS): New variable.
989         (relro_strip_test_LDADD): New variable.
990         (relro_strip_test.so): New target.
992 2010-08-02  Ian Lance Taylor  <iant@google.com>
994         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
995         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
996         (Target_i386::got_tlsdesc_section): New function.
997         (Target_i386::got_section): Create space for GOT entries for
998         TLSDESC relocations.
999         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1000         R_386_TLS_GOTDESC.
1001         (Target_i386::Scan::global): Likewise.
1002         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1003         using TLSDESC GOT.
1004         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1005         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1006         (Target_x86_64::got_tlsdesc_section): New function.
1007         (Target_x86_64::got_section): Create space for GOT entries for
1008         TLSDESC relocations.
1009         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1010         R_386_TLS_GOTDESC.
1011         (Target_x86_64::Scan::global): Likewise.
1012         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1013         using TLSDESC GOT.
1015 2010-08-02  Ian Lance Taylor  <iant@google.com>
1017         * testsuite/final_layout.sh: Use dc to convert from hex to
1018         decimal.
1020 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1022         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1023         paramter to the call to gold::gc_process_relocs.
1024         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1025         paramter to the call to gold::gc_process_relocs.
1026         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1027         parameter to the call to gold::gc_process_relocs.
1028         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1029         template parameter to the call to gold::gc_process_relocs.
1030         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1031         paramter to the call to gold::gc_process_relocs.
1032         * gc.h (get_embedded_addend_size): New function.
1033         (gc_process_relocs): Save the size of the reloc for use by ICF.
1034         * icf.cc (get_section_contents): Get the addend from the text section
1035         for SHT_REL relocation sections.
1036         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1037         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1038         * int_encoding.h (read_from_pointer): New overloaded function.
1039         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1040         * testsuite/icf_sht_rel_addend_test.sh: New file.
1041         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1042         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1044 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1046         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1047         * Makefile.in: Regenerate.
1048         * testsuite/Makefile.in: Regenerate.
1050 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1052         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1053         * gold/testsuite/debug_msg.cc: Likewise.
1054         * gold/testsuite/odr_violation1.cc
1055         * gold/testsuite/odr_violation2.cc
1057 2010-07-21  Cary Coutant  <ccoutant@google.com>
1059         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1060         string, and length fields.
1061         (Output_merge_string::Merged_strings_list): New type.
1062         (Output_merge_string::Merged_strings_lists): New typedef.
1063         (Output_merge_string): Replace merged_strings_ with
1064         merged_strings_lists_.
1065         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1066         Merged_strings_list per input object and section.  Don't store pointer
1067         to the string.  Don't store length with each merged string entry.
1068         (Output_merge_string::finalize_merged_data): Loop over list of merged
1069         strings lists.  Recompute length of each merged string.
1071 2010-07-15  Cary Coutant  <ccoutant@google.com>
1073         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1074         here.
1076 2010-07-14  Ian Lance Taylor  <iant@google.com>
1078         * descriptors.cc (Descriptors::open): Report correct name in error
1079         message.
1081 2010-07-13  Doug Kwan  <dougkwan@google.com>
1083         * arm.cc (Arm_input_section::Arm_input_section): For a
1084         SHT_ARM_EXIDX section, always keeps the input sections.
1085         (Arm_input_section::set_exidx_section_link): New method.
1086         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1087         has_errors_ to false.
1088         (Arm_exidx_input_section::has_errors,
1089         Arm_exidx_input_section::set_has_errors): New methods.
1090         (Arm_exidx_input_section::has_errors_): New data member.
1091         (Arm_relobj::get_exidx_shndx_list): New method.
1092         (Arm_output_section::append_text_sections_to_list): Do not skip
1093         section without SHF_EXECINSTR.
1094         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1095         errors.
1096         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1097         section header.  Make error messages more verbose.  Check for
1098         a non-executable section linked to an EXIDX section.
1099         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1100         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1101         check that there is no deferred EXIDX section if we exit early.
1102         Instead of not making an EXIDX section in case of an error, make one
1103         and set the has_errors flag of it.
1104         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1105         in a relocatable link.
1106         (Target_arm::do_relax): Look for the EXIDX output section instead of
1107         assuming that it is called .ARM.exidx.
1108         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1109         section list.  Do not check for SHF_EXECINSTR section flags but
1110         skip any input section with errors.
1111         * output.cc (Output_section::Output_section): Initialize
1112         always_keeps_input_sections_ to false.
1113         (Output_section::add_input_section): Check for
1114         always_keeps_input_sections_.
1115         *  output.h (Output_section::always_keeps_input_sections,
1116         Output_section::set_always_keeps_input_sections): New methods.
1117         (Output_section::always_keeps_input_sections): New data member.
1119 2010-07-13  Rafael Espindola  <espindola@google.com>
1121         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1122         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1124 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1125             Ian Lance Taylor  <iant@google.com>
1127         * output.h (Output_section_lookup_maps::add_merge_section):
1128         Correct check of whether value was inserted.
1129         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1130         (Output_section_lookup_maps::add_relaxed_input_section):
1131         Likewise.
1132         * arm.cc (Target_arm::got_section): Remove used local os.
1133         * i386.cc (Target_i386::got_section): Likewise.
1134         * x86_64.cc (Target_x86_64::got_section): Likewise.
1135         * sparc.cc (Target_sparc::got_section): Likewise.
1136         (Target_sparc::relocate): Remove unused local have_got_offset.
1137         * powerpc.cc (Target_powerpc::relocate): Likewise.
1139 2010-07-13  Ian Lance Taylor  <iant@google.com>
1141         * compressed_output.cc (zlib_decompress): Fix signature in
1142         !HAVE_ZLIB_H case.
1144         * archive.cc (Archive::include_member): Unlock an external member
1145         of a thin archive.  Don't bother to delete an object we know is
1146         NULL.
1148 2010-07-12  Cary Coutant  <ccoutant@google.com>
1150         * compressed_output.cc (zlib_decompress): New function.
1151         (get_uncompressed_size): New function.
1152         (decompress_input_section): New function.
1153         * compressed_output.h (get_uncompressed_size): New function.
1154         (decompress_input_section): New function.
1155         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1156         Handle compressed debug sections.
1157         * layout.cc (is_compressed_debug_section): New function.
1158         (Layout::output_section_name): Map compressed section names to
1159         canonical names.
1160         * layout.h (is_compressed_debug_section): New function.
1161         (is_debug_info_section): Recognize compressed debug sections.
1162         * merge.cc: Include compressed_output.h.
1163         (Output_merge_data::do_add_input_section): Handle compressed
1164         debug sections.
1165         (Output_merge_string::do_add_input_section): Handle compressed
1166         debug sections.
1167         * object.cc: Include compressed_output.h.
1168         (Sized_relobj::Sized_relobj): Initialize new data members.
1169         (build_compressed_section_map): New function.
1170         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1171         * object.h (Object::section_is_compressed): New method.
1172         (Object::do_section_is_compressed): New method.
1173         (Sized_relobj::Compressed_section_map): New type.
1174         (Sized_relobj::do_section_is_compressed): New method.
1175         (Sized_relobj::compressed_sections_): New data member.
1176         * output.cc (Output_section::add_input_section): Handle compressed
1177         debug sections.
1178         * reloc.cc: Include compressed_output.h.
1179         (Sized_relobj::write_sections): Handle compressed debug sections.
1181 2010-07-08  Cary Coutant  <ccoutant@google.com>
1183         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1184         weak when resolving to a dynamic def.
1185         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1186         for weak undef/dynamic def cases. Adjust callers.
1187         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1188         undef_binding_weak_.
1189         (Symbol_table::sized_write_globals): Adjust symbol binding.
1190         (Symbol_table::sized_write_symbol): Add binding parameter.
1191         * symtab.h (Symbol::set_undef_binding): New method.
1192         (Symbol::is_undef_binding_weak): New method.
1193         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1194         (Symbol_table::should_override): Add new parameter.
1195         (Symbol_table::sized_write_symbol): Add new parameter.
1197         * testsuite/weak_undef_file1.cc: Add new test case.
1198         * testsuite/weak_undef_file2.cc: Fix header comment.
1199         * testsuite/weak_undef_test.cc: Add new test case.
1201 2010-06-29  Doug Kwan  <dougkwan@google.com>
1203         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1204         Initialize USE_SYMBOL_.
1205         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1206         definition.
1207         (Arm_reloc_property::uses_symbol_): New data member declaration.
1208         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1209         uses symbol value and symbol is undefined but not weakly undefined.
1211 2010-06-28  Rafael Espindola  <espindola@google.com>
1213         * plugin.cc (Plugin::load): Use dlerror.
1215 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1217         * symtab.cc (detect_odr_violations): When reporting an ODR
1218         violation, report an object where the symbol is defined.
1220 2010-06-25  Doug Kwan  <dougkwan@google.com>
1222         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1223         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1224         definition.
1225         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1226         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1227         target hook to detect function points.
1228         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1229         * icf.h (Icf::check_section_for_function_pointers): Change type of
1230         parameter SECTION_NAME to const reference to std::string.  Use
1231         target hook to determine if section may have unsafe pointers.
1232         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1233         method definition.
1235 2010-06-21  Rafael Espindola  <espindola@google.com>
1237         * fileread.cc (Input_file::find_fie): New
1238         (Input_file::open): Use Input_file::find_fie.
1239         * fileread.h (Input_file::find_fie): New
1240         * plugin.cc (set_extra_library_path): New.
1241         (Plugin::load): Add set_extra_library_path to the transfer vector.
1242         (Plugin_manager::set_extra_library_path): New.
1243         (Plugin_manager::add_input_file): Use the extra search path if set.
1244         (set_extra_library_path(): New.
1245         * plugin.h (Plugin_manager): Add set_extra_library_path and
1246         extra_search_path_.
1248 2010-06-19  Cary Coutant  <ccoutant@google.com>
1250         * layout.cc (gdb_sections): Add .debug_types.
1251         (lines_only_debug_sections): Likewise.
1253 2010-06-18  Rafael Espindola  <espindola@google.com>
1255         * plugin.cc (add_input_file,add_input_library)
1256         (Plugin_manager::add_input_file): Make filename arguments const.
1257         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1258         const.
1260 2010-06-16  Doug Kwan  <dougkwan@google.com>
1262         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1263         .ARM.attributes section if we have not merged any input
1264         attributes sections.
1266 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1268         * arm.cc: Allow combining objects with no EABI version
1269         information.
1271 2010-06-15  Rafael Espindola  <espindola@google.com>
1273         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1275 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1277         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1278         (struct iovec): Correct !HAVE_READV definition.
1280 2010-06-10  Cary Coutant  <ccoutant@google.com>
1282         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1283         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1284         reloc sections.
1285         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1287         PR 11683
1288         * symtab.h (Symbol::is_placeholder): New member function.
1289         * target-reloc.h (relocate_section): Check for placeholder symbols.
1291         * testsuite/Makefile.am (plugin_test_8): New test.
1292         (plugin_test_9): New test.
1293         * testsuite/Makefile.in: Regenerate.
1295 2010-06-09  Nick Clifton  <nickc@redhat.com>
1297         * yyscript.y (input_list_element): Allow strings prefixed with
1298         the '-' character.  Treat these as libraries.
1299         * script.cc (script_add_library): New function.  Adds a library
1300         specified by "-l<name>" found in an input script.
1301         * script-c.h: Add prototype for script_add_library.
1303 2010-06-07  Doug Kwan  <dougkwan@google.com>
1305         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1306         Restrict stub-group size to be within long conditional branch
1307         range when working around cortex-A8 erratum.
1309 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1311         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1312         #ifdef typo.
1314 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1316         PR gold/11658
1317         * output.cc
1318         (Output_section::Input_section_sort_entry::compare_section_ordering):
1319         Change to return non-zero correctly.
1320         (Output_section::Input_section_sort_section_order_index_compare
1321         ::operator()): Change to fix ambiguity in comparisons.
1323 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1325         * gold.h (is_wildcard_string): New function.
1326         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1327         (Layout::layout_eh_frame): Ditto.
1328         (Layout::find_section_order_index): New method.
1329         (Layout::read_layout_from_file): New method.
1330         * layout.h (Layout::find_section_order_index): New method.
1331         (Layout::read_layout_from_file): New method.
1332         (Layout::input_section_position_): New private member.
1333         (Layout::input_section_glob_): New private member.
1334         * main.cc (main): Call read_layout_from_file here.
1335         * options.h (--section-ordering-file): New option.
1336         * output.cc (Output_section::input_section_order_specified_): New
1337         member.
1338         (Output_section::Output_section): Initialize new member.
1339         (Output_section::add_input_section): Add new parameter.
1340         Keep input sections when --section-ordering-file is used.
1341         (Output_section::set_final_data_size): Sort input sections when
1342         section ordering file is specified.
1343         (Output_section::Input_section_sort_entry): Add new parameter.
1344         Check sorting type.
1345         (Output_section::Input_section_sort_entry::compare_section_ordering):
1346         New method.
1347         (Output_section::Input_section_sort_compare::operator()): Change to
1348         consider section_order_index.
1349         (Output_section::Input_section_sort_init_fini_compare::operator()):
1350         Change to consider section_order_index.
1351         (Output_section::Input_section_sort_section_order_index_compare
1352         ::operator()): New method.
1353         (Output_section::sort_attached_input_sections): Change to sort
1354         according to section order when specified.
1355         (Output_section::add_input_section<32, true>): Add new parameter.
1356         (Output_section::add_input_section<64, true>): Add new parameter.
1357         (Output_section::add_input_section<32, false>): Add new parameter.
1358         (Output_section::add_input_section<64, false>): Add new parameter.
1359         * output.h (Output_section::add_input_section): Add new parameter.
1360         (Output_section::input_section_order_specified): New
1361         method.
1362         (Output_section::set_input_section_order_specified): New method.
1363         (Input_section::Input_section): Initialize section_order_index_.
1364         (Input_section::section_order_index): New method.
1365         (Input_section::set_section_order_index): New method.
1366         (Input_section::section_order_index_): New member.
1367         (Input_section::Input_section_sort_section_order_index_compare): New
1368         struct.
1369         (Output_section::input_section_order_specified_): New member.
1370         * script-sections.cc (is_wildcard_string): Delete and move modified
1371         method to gold.h.
1372         (Output_section_element_input::Output_section_element_input): Modify
1373         call to is_wildcard_string.
1374         (Output_section_element_input::Input_section_pattern
1375         ::Input_section_pattern): Ditto.
1376         (Output_section_element_input::Output_section_element_input): Ditto.
1377         * testsuite/Makefile.am (final_layout): New test case.
1378         * testsuite/Makefile.in: Regenerate.
1379         * testsuite/final_layout.cc: New file.
1380         * testsuite/final_layout.sh: New file.
1382 2010-06-01  Rafael Espindola  <espindola@google.com>
1384         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1386 2010-06-01  Rafael Espindola  <espindola@google.com>
1388         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1389         visibility of symbols.
1391 2010-05-27  Doug Kwan  <dougkwan@google.com>
1393         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1394         from start of output section instead of address for a local symbol
1395         in a merged or relaxed section when doing a relocatable link.
1397 2010-05-26  Rafael Espindola  <espindola@google.com>
1399        PR 11604
1400         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1401         adding sections the garbage collector removed.
1402         * gold/testsuite/Makefile.am: Add test.
1403         * gold/testsuite/Makefile.in: Regenerate.
1404         * gold/testsuite/plugin_test_7.sh: New.
1405         * gold/testsuite/plugin_test_7_1.c: New.
1406         * gold/testsuite/plugin_test_7_2.c: New.
1408 2010-05-26  Rafael Espindola  <espindola@google.com>
1410         * script-sections.cc (Output_section_definition::set_section_addresses):
1411         Check for --section-start.
1413 2010-05-26  Doug Kwan  <dougkwan@google.com>
1415         * arm.cc (Arm_scan_relocatable_relocs): New class.
1416         (Target_arm::relocate_special_relocatable): New method.
1417         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1418         (Arm_relocate_functions::thumb_branch_common): Same.
1419         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1420         instead of Default_scan_relocatable_relocs.
1421         * target-reloc.h (relocate_for_relocatable): Let target handle
1422         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1423         * target.h (Sized_target::relocate_special_relocatable): New method.
1425 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1427         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1429 2010-05-23  Doug Kwan  <dougkwan@google.com>
1431         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1432         instead of a cast.
1433         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1434         with a direct branch, not a conditional branch, to a stub.
1435         * merge.cc (Output_merge_base::record_input_section): New method
1436         defintion.
1437         (Output_merge_data::do_add_input_section): Record input section if
1438         keeps-input-sections flag is set.
1439         (Output_merge_string::do_add_input_section): Ditto.
1440         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1441         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1442         INPUT_SECTIONS_.
1443         (Output_merge_base::keeps_input_sections,
1444         Output_merge_base::set_keeps_input_sections,
1445         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1446         method definitions.
1447         (Output_merge_base::Input_sections): New type declaration.
1448         (Output_merge_base::input_sections_begin,
1449         Output_merge_base::input_sections_end,
1450         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1451         (Output_merge_base::bool keeps_input_sections_,
1452         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1453         Output_merge_base::input_sections_): New data members.
1454         (Output_merge_data::do_set_keeps_input_sections): New method
1455         defintion.
1456         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1457         * output.cc (Output_section::Input_section::relobj): Move method
1458         defintion from class declaration to here and handle merge sections.
1459         (Output_section::Input_section::shndx): Ditto.
1460         (Output_section::Output_section): Remove initializations of removed
1461         data members and initialize new data member LOOKUP_MAPS_.
1462         (Output_section::add_input_section): Set keeps-input-sections flag
1463         for a newly created merge output section as appropriate.  Adjust code
1464         to use Output_section_lookup_maps class.
1465         (Output_section::add_relaxed_input_section): Adjst code for lookup
1466         maps code refactoring.
1467         (Output_section::add_merge_input_section): Add a new parameter
1468         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1469         class.  If adding input section to a newly created merge output
1470         section fails, remove the new merge section.
1471         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1472         Adjust code for use of the Output_section_lookup_maps class.
1473         (Output_section::find_merge_section): Ditto.
1474         (Output_section::build_lookup_maps): New method defintion.
1475         (Output_section::find_relaxed_input_section): Adjust code to use
1476         Output_section_lookup_maps class.
1477         (Output_section::get_input_sections): Export merge sections.  Adjust
1478         code to use Output_section_lookup_maps class.
1479         (Output_section:::add_script_input_section): Adjust code to use
1480         Output_section_lookup_maps class.  Update lookup maps for merge
1481         sections also.
1482         (Output_section::discard_states): Use Output_section_lookup_maps.
1483         (Output_section::restore_states): Same.
1484         * output.h (Merge_section_properties): Move class defintion out of
1485         Output_section.
1486         (Output_section_lookup_maps): New class.
1487         (Output_section::Input_section::is_merge_section): New method
1488         defintion.
1489         (Output_section::Input_section::relobj): Move defintion out of class
1490         defintion.  Declare method only.
1491         (Output_section::Input_section::shndx): Ditto.
1492         (Output_section::Input_section::output_merge_base): New method defintion.
1493         (Output_section::Input_section::u2_.pomb): New union field.
1494         (Output_section::Merge_section_by_properties_map,
1495         Output_section::Output_section_data_by_input_section_map,
1496         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1497         Remove types.
1498         (Output_section::add_merge_input_section): Add new parameter
1499         KEEPS_INPUT_SECTIONS.
1500         (Output_section::build_lookup_maps): New method declaration.
1501         (Output_section::merge_section_map_,
1502         Output_section::merge_section_by_properties_map_,
1503         Output_section::relaxed_input_section_map_,
1504         Output_section::is_relaxed_input_section_map_valid_): Remove data
1505         members.
1506         (Output_section::lookup_maps_): New data member.
1508 2010-05-21  Doug Kwan  <dougkwan@google.com>
1510         PR gold/11619
1511         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1512         avoid a compilation error.
1514 2010-05-19  Rafael Espindola  <espindola@google.com>
1516         * script-sections.cc (Output_section_definition::allocate_to_segment):
1517         Update the phdrs_list even when the output section is NULL.
1518         * testsuite/Makefile.am: Add test.
1519         * testsuite/Makefile.in: Regenerate.
1520         * testsuite/script_test_9.cc: New.
1521         * testsuite/script_test_9.sh: New.
1522         * testsuite/script_test_9.t: New.
1524 2010-05-19  Doug Kwan  <dougkwan@google.com>
1526         * arm.cc (Arm_input_section::original_size): New method.
1527         (Arm_input_section::do_addralign): Add a cast.
1528         (Arm_input_section::do_output_offset): Remove static cast.
1529         (Arm_input_section::original_addralign,
1530          Arm_input_section::original_size_): Change type to uint32_t.
1531         (Arm_input_section::init): Add safe casts for section alignment
1532         and size.
1533         (Arm_input_section::set_final_data_size): Do not set address and
1534         offset of stub table.
1535         (Arm_output_section::fix_exidx_coverage): Change use of of
1536         Output_section::Simple_input_section to that of
1537         Output_section::Input_section.
1538         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1539         except for the first pass.
1540         * output.cc (Output_section::get_input_sections): Change type of
1541         input_sections to std::list<Input_section>.
1542         (Output_section::add_script_input_section): Rename from
1543         Output_section::add_simple_input_section.  Change type of SIS
1544         parameter from Simple_input_section to Input_section.
1545         * output.h (Output_section::Simple_input_section): Remove class.
1546         (Output_section::Input_section): Change class visibility to public.
1547         (Output_section::Input_section::addralign): Use stored alignments
1548         for special input sections if set.
1549         (Output_section::Input_section::set_addralign): New method.
1550         (Output_section::get_input_sections): Change parameter type from
1551         list of Simple_input_section to list of Input_section.
1552         (Output_section::add_script_input_section): Rename from
1553         Output_section::add_simple_input_section. Change first parameter's
1554         type from Simple_input_section to Input_section and remove the
1555         second and third parameters.
1556         * script-sections.cc (Input_section::Input_section_list): Change
1557         type to list of Output_section::Input_section/
1558         (Input_section_info::Input_section_info): Change parameter type of
1559         INPUT_SECTION to Output_section::Input_section.
1560         (Input_section_info::input_section): Change return type.
1561         (Input_section_info::input_section_): Change type to
1562         Output_section::Input_section.
1563         (Output_section_element_input::set_section_addresses): Adjust code
1564         to use Output_section::Input_section instead of
1565         Output_section::Simple_input_section.  Adjust code for renaming
1566         of Output_section::add_simple_input_section.
1567         (Orphan_output_section::set_section_addresses): Ditto.
1569 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1571         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1572         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1574 2010-05-18  Rafael Espindola  <espindola@google.com>
1576         * options.cc (General_options::finalize): Handle -nostdlib.
1577         * options.h (nostdlib): New option.
1578         * script.cc (script_add_search_dir): Handle -nostdlib.
1580 2010-05-12  Doug Kwan  <dougkwan@google.com>
1582         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1583         attributes section only if there no attributes section after merging.
1584         (Target_arm::merge_object_attributes): Move value of
1585         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1586         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1587         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1588         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1589         and arm_attr_merge_7.stdout.
1590         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1591         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1592         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1593         arm_attr_merge_7b.o): New rules.
1594         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1595         arm_attr_merge_7
1596         * testsuite/Makefile.in: Regenerate.
1597         * testsuite/arm_attr_merge.sh: New file.
1598         * testsuite/arm_attr_merge_[67][ab].s: Same.
1600 2010-05-05  Nick Clifton  <nickc@redhat.com>
1602         * po/es.po: Updated Spanish translation.
1604 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1606         * Makefile.am (install-exec-local): Properly install gold as
1607         default cross linker.
1608         * Makefile.in: Regenerated.
1610 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1611             Nick Clifton  <nickc@redhat.com>
1613         * configure.ac (install_as_default): Define and set to false
1614         unless --enable-gold or --enable-gold=both/gold has been
1615         specified.
1616         * configure: Regenerate.
1618         * Makefile.am (install-exec-local): Install the executable as
1619         'ld.gold'.  If install_as_default is true then also install it as
1620         'ld'.
1621         * Makefile.in: Regenerated.
1623 2010-04-24  Ian Lance Taylor  <iant@google.com>
1625         * layout.cc (Layout::layout_reloc): In relocatable link don't
1626         combine reloc sections for grouped sections.
1628 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1630         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1631         sections that are not ordinary to icf.
1632         * icf.cc (get_section_contents): Handle relocation pointing to section
1633         with no object or shndx information.
1634         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1635         * testsuite/Makefile.in: Regenerate.
1636         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1637         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1639 2010-04-22  Ian Lance Taylor  <iant@google.com>
1641         * expression.cc (Expression::Expression_eval_info): Add
1642         result_alignment_pointer field.
1643         (Expression::eval_with_dot): Add result_alignment_pointer
1644         parameter.  Change all callers.
1645         (Expression::eval_maybe_dot): Likewise.
1646         (class Binary_expression): Add alignment_pointer parameter to
1647         left_value and right_value.  Change all callers.
1648         (BINARY_EXPRESSION): Set result alignment.
1649         (class Trinary_expression): Add alignment_pointer parameter to
1650         arg2_value and arg3_value.  Change all callers.
1651         (Trinary_cond::value): Set result alignment.
1652         (Max_expression::value, Min_expression::value): Likewise.
1653         (Align_expression::value): Likewise.
1654         * script-sections.cc (class Sections_element): Add dot_alignment
1655         parameter to set_section_addresses virtual function.  Update
1656         instantiations.
1657         (class Output_section_element): Likewise.
1658         (Script_sections::create_segments): Add dot_alignment parameter.
1659         Change all callers.
1660         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1661         (Script_sections::set_phdrs_clause_addresses): Likewise.
1662         * script-sections.h: Update declarations.
1663         * script.h: Update declarations.
1664         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1665         min_p_align.
1666         * testsuite/script_test_3.t: Set large alignment.
1667         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1668         segment has expected alignment.
1670 2010-04-22  Nick Clifton  <nickc@redhat.com>
1672         * po/gold.pot: Updated by the Translation project.
1673         * po/vi.po: Updated Vietnamese translation.
1675 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1677         * testsuite/Makefile.am (check_PROGRAMS): Add
1678         icf_virtual_function_folding_test.
1679         * testsuite/Makefile.in: Regenerated.
1681 2010-04-15  Andrew Haley  <aph@redhat.com>
1683         * options.h (merge_exidx_entries): New option.
1684         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1685         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1686         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1687         (Target_arm::merge_exidx_entries): New function.
1688         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1689         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1690         to Arm_exidx_fixup constructor.
1691         Add new arg, merge_exidx_entries.
1692         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1693         Arm_output_section::fix_exidx_coverage.
1695 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1697         * icf.cc (get_section_contents): Check for preemptible functions.
1698         Ignore addend when appropriate.
1699         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1700         section folded.
1701         (add_from_relobj): Check for section folded.
1702         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1703         * symtab.h (should_add_dynsym_entry): Add new parameter.
1704         * target-reloc.h (scan_relocs): Check for section folded.
1705         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1706         Check reloc types for function pointers in shared objects.
1707         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1708         case.
1709         (icf_preemptible_functions_test): New test case.
1710         (icf_string_merge_test): New test case.
1711         * testsuite.Makefile.in: Regenerate.
1712         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1713         bar_glob.  Refactor code.
1714         * testsuite/icf_preemptible_functions_test.cc: New file.
1715         * testsuite/icf_preemptible_functions_test.sh: New file.
1716         * testsuite/icf_string_merge_test.cc: New file.
1717         * testsuite/icf_string_merge_test.sh: New file.
1718         * testsuite/icf_virtual_function_folding_test.cc: New file.
1719         * testsuite/icf_virtual_function_folding_test.sh: New file.
1721 2010-04-14  Doug Kwan  <dougkwan@google.com>
1723         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1724         for local symbol recounting if we remove a section due to ICF.
1725         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1726         there are no regular objects in input.
1728 2010-04-13  Doug Kwan  <dougkwan@google.com>
1730         * arm.cc (Arm_input_section::set_final_data_size): Compute
1731         accurate final data size instead of using current data size.
1733 2010-04-09  Doug Kwan  <dougkwan@google.com>
1735         * layout.cc (Layout::choose_output_section): Handle script section
1736         types.
1737         (Layout::make_output_section_for_script): Add section type parameter.
1738         Handle script section types.
1739         * layout.h (Layout::make_output_section_for_script): Add section
1740         type parameter.
1741         * output.cc (Output_section::Output_section): Initialize data member
1742         is_noload_.
1743         (Output_section::do_reset_address_and_file_offset): Do not set address
1744         to 0 if section is a NOLOAD section.
1745         * output.h (Output_section::is_noload): New method.
1746         (Output_section::set_is_noload): Ditto.
1747         (Output_section::is_noload_): New data member.
1748         * script-c.h (Script_section_type): New enum type.
1749         (struct Parser_output_section_header): Add new file section_type.
1750         * script-sections.cc (Sections_element::output_section_name): Add
1751         parameter for returning script section type.
1752         (Output_section_definition::output_section_name): Ditto.
1753         (Output_section_definition::section_type)P; New method.
1754         (Output_section_definiton::script_section_type_name): Ditto.
1755         (Output_section_definition::script_section_type_): New data member.
1756         (Output_section_definition::Output_section_definition): Initialize
1757         data member Output_section_definition::script_section_type_.
1758         (Output_section_definition::create_sections): Pass script section type
1759         to Layout::make_output_section_for_script.
1760         (Output_section_definition::output_section_name): Return script
1761         section type to caller.
1762         (Output_section_definition::set_section_address): Do not advance
1763         dot value and load address if section type is NOLOAD.  Set address
1764         of NOLOAD sections regardless of section flags.
1765         (Output_section_definition::print): Print section type if it is
1766         not SCRIPT_SECTION_TYPE_NONE.
1767         (Output_section_definition::section_type): New method.
1768         (Output_section_definition::script_section_type_name): Ditto.
1769         (Script_sections::output_section_name): Add new parameter
1770         PSECTION_TYPE for returning script section type.  Pass it to
1771         section elements.  Handle discard sections.
1772         (Sort_output_sections::operator()): Handle NOLOAD sections.
1773         * script-sections.h (Script_sections::Section_type): New enum type.
1774         (Script_sections::output_section_name): Add a new parameter for
1775         returning script section type.
1776         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1777         INFO and NOLOAD.
1778         * yyscript.y (union): Add new field SECTION_TYPE.
1779         (COPY, DSECT, INFO, NOLOAD): New tokens.
1780         (opt_address_and_section_type): Change type to output_section_header.
1781         (section_type): New non-terminal
1782         (section_header): Handle section type.
1783         (opt_address_and_section_type): Return section type value.
1785 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1787         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1788         * testsuite/plugin_common_test_2.c (foo): Likewise.
1790 2010-04-08  Doug Kwan  <dougkwan@google.com>
1792         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1793         Output_merge_data.
1794         * output.cc (Output_section::add_merge_input_section): Simplify
1795         code and return status of Output_merge_base::add_input_section.
1796         Update merge section map only if Output_merge_base::add_input_section
1797         returns true.
1799 2010-04-07  Doug Kwan  <dougkwan@google.com>
1801         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1802         if section is marked as containing instructions but has no mapping
1803         symbols.
1804         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1805         correct section index.
1806         (Arm_relobj::find_linked_text_section): Ditto.
1808 2010-04-07  Cary Coutant  <ccoutant@google.com>
1810         * archive.cc (include_member): Destroy Read_symbols_data object before
1811         releasing file.
1812         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1813         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1814         (Read_symbols_data::~Read_symbols_data) New destructor.
1815         (Section_relocs::Section_relocs) New constructor.
1816         (Section_relocs::~Section_relocs) New destructor.
1817         (Read_relocs_data::Read_relocs_data) New constructor.
1818         (Read_relocs_data::~Read_relocs_data) New destructor.
1819         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1820         pointers to NULL after deleting.
1822 2010-04-07  Doug Kwan  <dougkwan@google.com>
1824         * arm.cc: Replace "endianity" with "endianness" in comments.
1825         (Arm_exidx_cantunwind): Ditto.
1826         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1827         (Arm_relobj::merge_flags_and_attributes): New method.
1828         (Arm_relobj::merge_flags_and_attributes_): New data member.
1829         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1830         (Arm_relobj::scan_sections_for_stubs): Ditto.
1831         (Arm_relobj::do_read_symbols): Check to see if we really want to
1832         merge processor-specific flags and attributes.  Exit early if
1833         an object is empty except for section names and the undefined symbol.
1834         (Target_arm::do_finalize_sections): Move check for ELF format to
1835         Arm_relobj::do_read_symbols.  Merge processor specific flags and
1836         attributes from a regular object only when we have determined that
1837         it is aapropriate.  Do not create an .ARM.attributes section in
1838         output if there is no regular input object.
1839         (Target_arm::merge_processor_specific_flags): Check
1840         --warn-mismatch before printing any error.
1841         (Target_arm::merge_object_attributes): Ditto.
1842         * gold.cc (queue_middle_tasks): Handle the case in which there is
1843         no regular object in input.
1844         * options.cc (General_options::parse_EB): New method.
1845         (General_options::parse_EL): Same.
1846         (General_options::General_options): Initialize endianness_.
1847         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1848         New options.
1849         (General_options::Endianness): New enum.
1850         (General_options::endianness): New method.
1851         (General_options::endianness_): New data member.
1852         * parameters.cc (Parameters::set_options): Check target endianness.
1853         (Parameters::set_target_once): Ditto.
1854         (Parameters::check_target_endianness): New method.
1855         (parameters_force_valid_target): If either -EL or -EB is specified,
1856         use it to define endianness of default target.
1857         * parameters.h (Parameters::check_target_endianness): New method
1858         declaration.
1859         * target.h (class Target): Change "endianity" to "endianness"
1860         in comments.
1862 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1864         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1865         * configure: Regenerate.
1866         * Makefile.in: Regenerate.
1867         * testsuite/Makefile.in: Regenerate.
1869 2010-04-06  Cary Coutant  <ccoutant@google.com>
1871         gcc PR lto/42757
1872         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1873         prevailing definitions of common symbols.
1874         * testsuite/plugin_test_6.sh: New test case.
1875         * testsuite/plugin_common_test_1.c: New test case.
1876         * testsuite/plugin_common_test_2.c: New test case.
1877         * testsuite/Makefile.am (plugin_test_6): New test case.
1878         * testsuite/Makefile.in: Regenerate.
1880 2010-04-06  Nick Clifton  <nickc@redhat.com>
1882         * po/vi.po: New Vietnamese translation.
1884 2010-03-30  Doug Kwan  <dougkwan@google.com>
1886         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1888 2010-03-25  Doug Kwan  <dougkwan@google.com>
1890         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1891         to avoid a conversion warning on a 32-bit host.
1893 2010-03-24  Ian Lance Taylor  <iant@google.com>
1895         * testsuite/script_test_3.t: Add a TLS segment.
1896         * testsuite/Makefile.am (check_PROGRAMS): Add
1897         tls_phdrs_script_test.
1898         (tls_phdrs_script_test_SOURCES): Define.
1899         (tls_phdrs_script_test_DEPENDENCIES): Define.
1900         (tls_phdrs_script_test_LDFLAGS): Define.
1901         (tls_phdrs_script_test_LDADD): Define.
1902         * testsuite/Makefile.in: Rebuild.
1904 2010-03-23  Cary Coutant  <ccoutant@google.com>
1906         * fileread.cc (find_or_make_view): Fix comment.
1908 2010-03-23  Ian Lance Taylor  <iant@google.com>
1910         * script-sections.cc (class Orphan_section_placement): Define
1911         PLACE_TLS and PLACE_TLS_BSS.
1912         (Orphan_section_placement::Orphan_section_placement): Initialize
1913         new places.
1914         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1915         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1916         (tls_script_test_SOURCES): Define.
1917         (tls_script_test_DEPENDENCIES): Define.
1918         (tls_script_test_LDFLAGS): Define.
1919         (tls_script_test_LDADD): Define.
1920         * testsuite/Makefile.in: Rebuild.
1922 2010-03-22  Doug Kwan  <dougkwan@google.com>
1924         * arm.cc (Arm_relocate_functions::abs8,
1925         Arm_relocate_functions::abs16): Use correct check for overflow
1926         specified in the ARM ELF specs.
1927         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
1928         target of a BLX instruction specially.
1929         (Reloc_stub::stub_type_for_reloc): Ditto.
1930         (Relocate::relocate): Use symbolic names instead of numeric relocation
1931         codes to report error.
1932         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1933         workaround.
1934         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1935         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1936         thumb2_blx_out_of_range.stdout
1937         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1938         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1939         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1940         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1941         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1942         thumb2_blx_in_range, thumb2_blx_in_range.o,
1943         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1944         thumb2_blx_out_of_range.o): New rules.
1945         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1946         thumb2_blx_in_range and thumb2_blx_out_of_range.
1947         * testsuite/Makefile.in: Regenerate.
1948         * arm_branch_in_range.sh: Add tests for THUMB BLX.
1949         * testsuite/thumb_blx_in_range.s: New file.
1950         * testsuite/thumb_blx_out_of_range.s: New file.
1952 2010-03-22  Rafael Espindola  <espindola@google.com>
1954         * archive.cc (Should_include): Move to archive.h.
1955         (should_include_member): Make it a member of Archive.
1956         (Lib_group): New.
1957         (Add_lib_group_symbols): New.
1958         * archive.h: Include options.h.
1959         (Archive_member): Moved from Archive.
1960         (Should_include): Moved from archive.cc.
1961         (Lib_group): New.
1962         (Add_lib_group_symbols): New.
1963         * dynobj.cc (do_should_include_member): New.
1964         * dynobj.h (do_should_include_member): New.
1965         * gold.cc (queue_initial_tasks): Update call to queue.
1966         * main.cc (main): Print lib group stats.
1967         * object.cc (do_should_include_member): New.
1968         * object.h: Include archive.h.
1969         (Object::should_include_member): New.
1970         (Object::do_should_include_member): New.
1971         (Sized_relobj::do_should_include_member): New.
1972         * options.cc (General_options::parse_start_lib): New.
1973         (General_options::parse_end_lib): New.
1974         (Input_arguments::add_file): Handle lib groups.
1975         (Input_arguments::start_group): Check we are not in a lib.
1976         (Input_arguments::start_lib): New.
1977         (Input_arguments::end_lib): New.
1978         * options.h (General_options): Add start_lib and end_lib.
1979         (Input_argument::lib_): New.
1980         (Input_argument::lib): New.
1981         (Input_argument::is_lib): New.
1982         (Input_file_lib): New.
1983         (Input_arguments::in_lib_): New.
1984         (Input_arguments::in_lib): New.
1985         (Input_arguments::start_lib): New.
1986         (Input_arguments::end_lib_): New.
1987         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1988         in unused members as preempted.
1989         (Sized_pluginobj::do_should_include_member): New.
1990         * plugin.h (Sized_pluginobj::do_should_include_member): New.
1991         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1992         return the blocker.
1993         (Read_symbols::do_whole_lib_group): New.
1994         (Read_symbols::do_lib_group): New.
1995         (Read_symbols::do_read_symbols): Handle lib groups.
1996         (Read_symbols::get_name): Handle lib groups.
1997         * readsyms.h (Read_symbols): Add an archive member pointer.
1998         (Read_symbols::do_whole_lib_group): New.
1999         (Read_symbols::do_lib_group): New.
2000         (Read_symbols::member_): New.
2001         * script.cc (read_input_script): Update call to queue_soon.
2003 2010-03-19  Doug Kwan  <dougkwan@google.com>
2005         * arm.cc (Stub_table::Stub_table): Initialize new data members
2006         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2007         (Stub_table::add_reloc_stub): Assign stub offset and update
2008         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2009         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2010         New data members.
2011         (Stub_table::update_data_size_and_addralign): Use
2012         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2013         instead of going over all reloc stubs.
2014         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2015         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2016         Stringpool_template::offset_ to size of Stringpool_char.
2017         (Stringpool_template::new_key_offset): Remove code to initialize
2018         Stringpool_template::offset_.
2019         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2020         Stringpool_template::offset_ to zero.
2022 2010-03-15  Doug Kwan  <dougkwan@google.com>
2024         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2025         offset_.
2026         (Stringpool_template::new_key_offset): New method.
2027         (Stringpool_template::add_string): Assign offsets when adding new
2028         strings.
2029         (Stringpool_template::set_string_offsets): Do not set string offsets
2030         when not optimizing.
2031         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2032         member size_.
2033         (Chunked_vector::clear): Clear size_.
2034         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2035         (Chunked_vector::size): Return size_.
2036         (Chunked_vector::push_back): Use size_ to find insert position.
2037         (Chunked_vector::size_): New data member.
2038         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2039         (Stringpool_template::new_key_offset): New method declaration.
2040         (Stringpool_template::offset_): New data member.
2042 2010-03-15   Rafael Espindola  <espindola@google.com>
2044         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2045         Add_symbols' constructor.
2046         * readsyms.h (Add_symbols): Remove the input_group member.
2048 2010-03-10  Ian Lance Taylor  <iant@google.com>
2050         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2051         target to ask whether a reference to a symbol requires a stack
2052         split.
2053         * target.h (Target::is_call_to_non_split): New function.
2054         (Target::do_is_call_to_non_split): Declare virtual function.
2055         * target.cc: Include "symtab.h".
2056         (Target::do_is_call_to_non_split): New function.
2057         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2059 2010-03-10  Cary Coutant  <ccoutant@google.com>
2061         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2062         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2063         (File_read::open[2]): Add whole_file_view_ to list of views.
2064         (File_read::make_view): Remove test of whole_file_view_.
2065         (File_read::find_or_make_view): Create whole_file_view_ if
2066         necessary.
2067         (File_read::clear_views): Replace bool parameter with enum;
2068         adjust all callers.  Don't delete views with permanent data;
2069         do delete cached views and views from archives if
2070         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2071         if clearing the corresponding view.
2072         * fileread.h (File_read::Clear_views_mode): New enum.
2073         (File_read::View::is_permanent_view): New method.
2074         (File_read::clear_views): Replace bool parameter
2075         with enum; adjust all callers.
2076         * options.h (General_options): Change keep_files_mapped option;
2077         add map_whole_files.
2078         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2079         releasing the file.
2080         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2081         the file.
2083 2010-03-10  David S. Miller  <davem@davemloft.net>
2085         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2087 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2089         * icf.cc (get_section_contents): Add '@' marker after processing the
2090         merge reloc.
2092 2010-03-08  Doug Kwan  <dougkwan@google.com>
2094         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2095         due to a conversion warning.
2096         (Arm_relobj::update_output_local_symbol_count): Check for local
2097         symbol with unset output index.
2099 2010-03-05  Ian Lance Taylor  <iant@google.com>
2101         * options.h (class General_options): Add --spare-dynamic-tags.
2102         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2103         --spare-dynamic-tags.
2105 2010-03-05  Ian Lance Taylor  <iant@google.com>
2107         * incremental.cc: Include "libiberty.h".
2109 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2111         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2112         function, is_info_ member.
2113         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2114         (Versions::Versions): Update caller.
2115         (Versions::define_base_version): Likewise.
2116         (Versions::add_def): Likewise.
2118 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2120         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2121         (Scan::possible_function_pointer_reloc): New function.
2122         (Scan::local_reloc_may_be_function_pointer): Change to call
2123         possible_function_pointer_reloc.
2124         (Scan::global_reloc_may_be_function_pointer): Ditto.
2125         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2126         relocations in ".data.rel.ro._ZTV" section.
2127         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2128         * testsuite/icf_safe_so_test.cc: Ditto.
2129         * testsuite/icf_safe_test.cc: Ditto.
2130         * testsuite/icf_safe_test.sh: Ditto.
2132 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2133             Ian Lance Taylor  <iant@google.com>
2135         * target-reloc.h (relocate_section): Check the symbol table index
2136         for -1U before setting the local symbol index.
2137         (scan_relocatable_relocs): If copying the relocation, record that
2138         the local symbol is required.
2139         * object.h (Symbol_value::is_output_symtab_index_set): New
2140         function.
2141         (Symbol_value::may_be_discarded_from_output_symtab): New
2142         function.
2143         (Symbol_value::has_output_symtab_entry): New function.
2144         (Symbol_value::needs_output_symtab_entry): Remove.
2145         (Symbol_value::output_symtab_index): Make sure the symbol index is
2146         set.
2147         (Symbol_value::set_output_symtab_index): Make sure the symbol
2148         index is not set.  Make sure the new index is valid.
2149         (Symbol_value::set_must_have_output_symtab_entry): New function.
2150         (Symbol_value::has_output_dynsym_entry): New function.
2151         (Symbol_value::set_output_dynsym_index): Make sure the new index
2152         is valid.
2153         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2154         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2155         local symbol if permitted.
2156         (Sized_relobj::do_finalize_local_symbols): Call
2157         is_output_symtab_index_set rather than needs_output_symtab_entry.
2158         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2159         rather than needs_output_symtab_entry.  Call
2160         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2161         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2162         is_output_symtab_index_set rather than needs_output_symtab_entry.
2163         * testsuite/discard_locals_relocatable_test.c: New file.
2164         * testsuite/discard_locals_test.sh: Test -r.
2165         * testsuite/Makefile.am (check_DATA): Add
2166         discard_locals_relocatable_test1.syms,
2167         discard_local_relocatable_test2.syms.
2168         (MOSTLYCLEANFILES): Likewise.  Also add
2169         discard_locals_relocatable_test1.lout and
2170         discard_locals_relocatable_test2.out.
2171         (discard_locals_relocatable_test1.syms): New target.
2172         (discard_locals_relocatable_test.o): New target.
2173         (discard_locals_relocatable_test1.out): New target.
2174         (discard_locals_relocatable_test2.syms): New target.
2175         (discard_locals_relocatable_test2.out): New target.
2176         (various): Add missing ../ld-new dependencies.
2177         * testsuite/Makefile.in: Rebuild.
2179 2010-03-03  Nick Clifton  <nickc@redhat.com>
2181         * po/fi.po: New Finnish translation.
2183 2010-03-01  Doug Kwan  <dougkwan@google.com>
2185         * layout.cc (Layout::Layout): Force section types of .init_array*,
2186         .preinit_array* and .fini_array* sections.
2187         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2188         Fix check of return value of std::string::find.().
2189         (Output_section::Input_section_sort_compare::operator()): Remove
2190         comment about .init_array.
2191         (Output_section::Input_section_sort_init_fini_compare::operator()):
2192         New method.
2193         (Output_section::sort_attached_input_sections): Handle .init_array
2194         and .fini_array specially.
2195         * output.h (Output_section::Inut_section_sort_compare): Update
2196         comment.
2197         (Output_section::Input_section_sort_init_fini_compare): New struct.
2199 2010-02-26  Doug Kwan  <dougkwan@google.com>
2201         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2202         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2203         * testsuite/debug_msg.sh: Avoid matching source line number for
2204         use of global variable undef_int.
2206 2010-02-26  Doug Kwan  <dougkwan@google.com>
2208         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2209         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2210         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2211         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2212         * options.cc (General_options::General_options): Initialize member
2213         fix_v4bx_.
2214         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2215         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2216         and rm_no_fix_v4bx.stdout
2217         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2218         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2219         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2220         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2221         and arm_no_fix_v4bx.
2222         * Makefile.in: Regenerate.
2223         * testsuite/arm_fix_v4bx.s: New file.
2224         * testsuite/arm_fix_v4bx.sh: Ditto.
2226 2010-02-24  Doug Kwan  <dougkwan@google.com>
2228         * arm.cc (Target_arm::got_section): Make the .got section the first
2229         non RELRO section in the data segment.
2230         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2231         suffixes of section names.
2233 2010-02-24  Doug Kwan  <dougkwan@google.com>
2235         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2236         flags and attributes merging if an input file is a binary file.
2237         * fileread.cc (Input_file::open): Record format of original file.
2238         * fileread.h (Input_file::Format): New enum type.
2239         (Input_file::Input_file): Initialize data member format_.
2240         (Input_file::format): New method definition.
2241         (Input_file::format_):: New data member.
2243 2010-02-24  Doug Kwan  <dougkwan@google.com>
2245         * arm.cc (Arm_output_data_got): New class.
2246         (ARM_TCB_SIZE): New constant
2247         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2248         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2249         If user uses a script with a SECTIONS clause, issue only a warning
2250         for a misplaced EXIDX input section.  Otherwise, issue an error.
2251         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2252         garbage collection.
2253         (Target_arm::got_mode_index_entry): Handle static linking.
2254         (Target_arm::Scan::local): Ditto.
2255         (Target_arm::Scan::global): Ditto.
2256         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2257         all incorrectly implemented relocations.
2258         (Target_arm::fix_exidx_coverage): Pass layout to
2259         Arm_output_section::fix_exidx_coverage.
2260         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2261         from ".ARM.exidx." and ".ARM.extab.".
2263 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2265         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2266         section if it does not already exist.
2267         * attributes.cc (Attributes_section_data::Attributes_section_data):
2268         Don't crash if size is zero.
2270 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2271             Ian Lance Taylor  <iant@google.com>
2273         * gold.cc (queue_middle_tasks): If no input files were opened,
2274         exit.
2275         * workqueue.h (Task_function::Task_function): Assert that there is
2276         a blocker.
2278 2010-02-22  Doug Kwan  <dougkwan@google.com>
2280         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2281         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2282         types to avoid warnings due to different uint64_t implementations
2283         on different hosts.
2285 2010-02-21  Doug Kwan  <dougkwan@google.com>
2287         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2288         handling of the maximum backward branch offset.
2289         (Arm_relocate_functions::thumb_branch_common): Ditto.
2290         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2291         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2292         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2293         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2294         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2295         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2296         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2297         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2298         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2299         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2300         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2301         thumb2_bl_out_of_range.o): New rules.
2302         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2303         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2304         thumb2_bl_out_of_range
2305         * testsuite/Makefile.in: Regenerate.
2306         * testsuite/arm_bl_in_range.s: New file.
2307         * testsuite/arm_bl_out_of_range.s: Ditto.
2308         * testsuite/arm_branch_in_range.sh: Ditto.
2309         * testsuite/arm_branch_range.t: Ditto.
2310         * testsuite/thumb2_branch_range.t: Ditto.
2311         * testsuite/thumb_bl_in_range.s: Ditto.
2312         * testsuite/thumb_bl_out_of_range.s: Ditto.
2313         * testsuite/thumb_branch_range.t: Ditto.
2315 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2317         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2318         Add reloc offset information.
2319         * icf.cc (get_section_contents): Change iterators to point to the new
2320         vectors. Add reloc offset information to the contents.
2321         * icf.h (Icf::Sections_reachable_info): New typedef.
2322         (Icf::Sections_reachable_list): New typedef.
2323         (Icf::Offset_info): New typedef.
2324         (Icf::Reloc_info): New struct typedef.
2325         (Icf::Reloc_info_list): New typedef.
2326         (Icf::symbol_reloc_list): Delete method.
2327         (Icf::addend_reloc_list): Delete method.
2328         (Icf::section_reloc_list): Delete method.
2329         (Icf::reloc_info_list): New method.
2330         (Icf::reloc_info_list_): New member.
2332 2010-02-19  Doug Kwan  <dougkwan@google.com>
2334         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2335         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2336         * arm.cc (Arm_relocation_functions): New forward declaration.
2337         (Target_arm::Target_arm): Initialize new data members
2338         got_mod_index_offset_ and tls_base_symbol_defined_.
2339         (Target_arm::Relocate::relocate_tls): New method.
2340         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2341          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2342         New methods.
2343         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2344         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2345         (Target_arm::got_mod_index_offset_,
2346         Target_arm::tls_base_symbol_defined_): New data members.
2347         (Target_arm::Scan::local, Target::Scan::global,
2348         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2349         relocations.
2351 2010-02-18  Doug Kwan  <dougkwan@google.com>
2353         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2354         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2355         text section as a parameter becuase some broken tools may not set
2356         the link in section header.
2357         (Target_arm::has_got_section): New method.
2358         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2359         without any mapping symbol as data only.  Remove warning.
2360         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2361         link in its section header, try to discover the link by inspecting the
2362         REL31 relocation at the beginning of the section.
2363         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2364         in error message.
2365         (Target_arm::Scan::global): Treat any reference to the symbol
2366         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2368 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2370         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2371         (Scan::global_reloc_may_be_function_pointer): New function.
2372         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2373         (Scan::global_reloc_may_be_function_pointer): New function.
2374         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2375         (Scan::global_reloc_may_be_function_pointer): New function.
2376         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2377         (Scan::global_reloc_may_be_function_pointer): New function.
2378         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2379         (Scan::global_reloc_may_be_function_pointer): New function.
2380         (Scan::possible_function_pointer_reloc): New function.
2381         (Target_x86_64::can_check_for_function_pointers): New function.
2382         * gc.h (gc_process_relocs): Scan relocation types to determine if
2383         function pointers were taken for targets that support it.
2384         * icf.cc (Icf::find_identical_sections): Include functions for
2385         folding in safe ICF whose pointer is not taken.
2386         * icf.h (Secn_fptr_taken_set): New typedef.
2387         (fptr_section_id_): New member.
2388         (section_has_function_pointers): New function.
2389         (set_section_has_function_pointers): New function.
2390         (check_section_for_function_pointers): New function.
2391         * options.h: Fix comment for safe ICF option.
2392         * target.h (can_check_for_function_pointers): New function.
2393         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2394         Modify icf_safe_test for X86-64.
2395         * testsuite/Makefile.in: Regenerate.
2396         * testsuite/icf_safe_so_test.cc: New file.
2397         * testsuite/icf_safe_so_test.sh: New file.
2398         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2399         (main): Change to take pointer to function kept_func_3.
2400         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2401         folding is done correctly for X86-64.
2403 2010-02-12  David S. Miller  <davem@davemloft.net>
2405         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2406         is_symbolless parameter.
2407         (Output_reloc<SHT_REL>::is_symbolless): New.
2408         (Output_reloc<SHT_REL>::is_symbolless_): New.
2409         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2410         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2411         (Output_reloc<SHT_RELA>::is_symbolless): New.
2412         (Output_data_reloc::add_global): Handle is_symbolless.
2413         (Output_data_reloc::add_global_relative): Likewise.
2414         (Output_data_reloc::add_local): Likewise.
2415         (Output_data_reloc::add_local_relative): Likewise.
2416         (Output_data_reloc::add_symbolless_global_addend): New.
2417         (Output_data_reloc::add_symbolless_local_addend): New.
2418         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2419         is_symbolless.
2420         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2421         instead of ->is_relative_
2422         (Output_reloc::write): Likewise.
2423         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2424         (Output_reloc::write_rel): Simplify.
2426         * sparc.cc (Target_sparc::Scan::local): Use
2427         ->add_symbolless_local_addend as needed.
2428         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2429         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2430         based upon relocation offset.
2432 2010-02-11  Doug Kwan  <dougkwan@google.com>
2434         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2435         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2436         beginning of function.
2437         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2438         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2439         parameter is_32bit in calls to should_apply_static_reloc.
2440         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2441         (check_DATA): Add arm_abs_global.stdout.
2442         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2443         arm_abs_global.stdout): New rules.
2444         (MOSTLLYCLEANFILES): Add arm_abs_global
2445         * Makefile.in: Regenerate.
2446         * testsuite/arm_abs_global.s: New file.
2447         * testsuite/arm_abs_global.sh: Ditto.
2448         * testsuite/arm_abs_lib.s: Ditto.
2450 2010-02-11  Ian Lance Taylor  <iant@google.com>
2452         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2453         Read_relocs task.
2454         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2455         Allocate_commons_task first.
2456         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2457         task, rather than symtab_lock_.
2458         (Gc_process_relocs::~Gc_process_relocs): New function.
2459         (Gc_process_relocs::is_runnable): Check this_blocker_.
2460         (Gc_process_relocs::locks): Use next_blocker_ rather than
2461         blocker_.
2462         (Scan_relocs::~Scan_relocs): New function.
2463         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2464         symtab_lock_.
2465         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2466         next_blocker_.
2467         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2468         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2469         constructor accordingly.
2470         (class Gc_process_relocs): Likewise.
2471         (class Scan_relocs): Likewise.
2472         * common.h (class Allocate_commons_task): Remove symtab_lock_
2473         field, and corresponding constructor parameter.
2474         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2475         symtab_lock_.
2476         (Allocate_commons_task::locks): Likewise.
2478 2010-02-11  Ian Lance Taylor  <iant@google.com>
2480         * gold-threads.h (class Once): Define.
2481         (class Initialize_lock): Rewrite as child of Once.
2482         * gold-threads.cc (class Once_initialize): Define.
2483         (once_pointer_control): New static variable.
2484         (once_pointer, once_arg): New static variables.
2485         (c_run_once): New static function.
2486         (Once::Once, Once::run_once, Once::internal_run): New functions.
2487         (class Initialize_lock_once): Remove.
2488         (initialize_lock_control): Remove.
2489         (initialize_lock_pointer): Remove.
2490         (initialize_lock_once): Remove.
2491         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2492         (Initialize_lock::initialize): Rewrite.
2493         (Initialize_lock::do_run_once): New function.
2494         * archive.cc (Archive::interpret_header): Only clear name if it is
2495         not already empty.
2496         * fileread.cc: Include "gold-threads.h"
2497         (file_counts_lock): New static variable.
2498         (file_counts_initialize_lock): Likewise.
2499         (File_read::release): Only increment counts when using --stats.
2500         Use a lock around the increment.
2501         * parameters.cc (class Set_parameters_target_once): Define.
2502         (set_parameters_target_once): New static variable.
2503         (Parameters::Parameters): Move here from parameters.h.
2504         (Parameters::set_target): Rewrite.
2505         (Parameters::set_target_once): New function.
2506         (Parameters::clear_target): Move here and rewrite.
2507         * parameters.h (class Parameters): Update declarations.  Add
2508         set_parameters_target_once_ field.
2509         (Parameters::Parameters): Move to parameters.cc.
2510         (Parameters::clear_target): Likewise.
2511         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2512         task.
2513         (Start_group::~Start_group): New function.
2514         (Start_group::is_runnable): New function.
2515         (Start_group::locks, Start_group::run): New functions.
2516         (Finish_group::run): Change saw_undefined to size_t.
2517         * readsyms.h (class Start_group): Define.
2518         (class Finish_group): Change saw_undefined_ field to size_t.
2519         (Finish_group::Finish_group): Remove saw_undefined and
2520         this_blocker parameters.  Change all callers.
2521         (Finish_group::set_saw_undefined): New function.
2522         (Finish_group::set_blocker): New function.
2523         * symtab.h (class Symbol_table): Change saw_undefined to return
2524         size_t.  Change saw_undefined_ field to size_t.
2525         * target-select.cc (Set_target_once::do_run_once): New function.
2526         (Target_selector::Target_selector): Initialize set_target_once_
2527         field.  Don't initialize lock_ and initialize_lock_ fields.
2528         (Target_selector::instantiate_target): Rewrite.
2529         (Target_selector::set_target): New function.
2530         * target-select.h (class Set_target_once): Define.
2531         (class Target_selector): Update declarations.  Make
2532         Set_target_once a friend.  Remove lock_ and initialize_lock_
2533         fields.  Add set_target_once_ field.
2535 2010-02-10  Ian Lance Taylor  <iant@google.com>
2537         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2538         queueing any tasks.
2539         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2540         (queue_middle_tasks): Add all blockers before queueing any tasks.
2541         (queue_final_tasks): Likewise.
2542         * token.h (Task_token::add_blockers): New function.
2543         * object.h (Input_objects::number_of_relobjs): New function.
2545 2010-02-10  Ian Lance Taylor  <iant@google.com>
2547         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2548         shared, not if not position independent.
2549         * x86_64.cc (Relocate::relocate_tls): Likewise.
2550         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2551         (tls_pie_pic_test): New target.
2552         * testsuite/Makefile.in: Rebuild.
2554         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2555         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2556         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2557         * testsuite/Makefile.in: Rebuild.
2559 2010-02-09  David S. Miller  <davem@davemloft.net>
2561         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2562         R_SPARC_RELATIVE using ->add_local_relative().
2563         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2565         * output.h (Output_data_dynamic::add_section_size): New method
2566         that takes two Output_data objects.
2567         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2568         entry param.  Handle it in initializers.
2569         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2570         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2571         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2572         arg.
2573         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2574         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2575         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2576         for dynrel_includes_plt.
2577         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2578         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2579         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2580         before .rela.plt
2581         (Target_sparc::do_finalize_sections): Update to pass true for
2582         dynrel_includes_plt.
2583         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2584         output before .rela.plt
2585         (Target_powerpc::do_finalize_sections): Update to pass true for
2586         dynrel_includes_plt when 32-bit.
2588 2010-02-08  Doug Kwan  <dougkwan@google.com>
2590         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2591         method.
2592         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2593         Arm_relobj::scan_section_for_cortex_a8_stubs,
2594         Arm_relobj::do_relocation_section): Instead of calling
2595         Output_section::output_address, use faster
2596         Arm_relobj::simple_input_section_output_address.
2598 2010-02-08  David S. Miller  <davem@davemloft.net>
2600         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2601         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2602         relocation helper function.
2604         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2605         just like R_SPARC_GOT{10,13,22}.
2606         (Target_sparc::Scan::local): Likewise.
2607         (Target_sparc::Relocate:relocate): Likewise.
2609 2010-02-06  Ian Lance Taylor  <iant@google.com>
2611         * configure.ac: Rewrite targetobjs duplicate removal code to use
2612         only shell constructs.
2613         * configure: Rebuild.
2615 2010-02-05  Doug Kwan  <dougkwan@google.com>
2617         PR 11247
2618         * arm.cc (Arm_relobj::section_is_scannable): New method.
2619         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2620         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2622 2010-02-04  Doug Kwan  <dougkwan@google.com>
2624         PR 11247
2625         * arm-reloc-property.cc (cstdio): Include.
2626         * configure.ac (targetobjs): Remove duplicates.
2627         * configure: Regenerate.
2628         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2629         big and little endian version for a given address size.
2631 2010-02-03  Doug Kwan  <dougkwan@google.com>
2633         * arm-reloc-property.cc
2634         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2635         definition.
2636         * arm-reloc-property.h
2637         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2638         New method definition.
2639         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2640         declaration.
2641         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2642         overflow to N.
2643         (GOT_PREL): Change implemented to Y.
2644         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2645         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2646         (Arm_relocate_functions::movw_abs_nc): Remove method.
2647         (Arm_relocate_functions::movt_abs): Ditto.
2648         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2649         (Arm_relocate_functions::thm_movt_abs): Ditto.
2650         (Arm_relocate_functions::movw_rel_nc): Ditto.
2651         (Arm_relocate_functions::movw_rel): Ditto.
2652         (Arm_relocate_functions::movt_rel): Ditto.
2653         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2654         (Arm_relocate_functions:thm_movw_rel): Ditto.
2655         (Arm_relocate_functions:thm_movt_rel): Ditto.
2656         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2657         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2658         New method definitions.
2659         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2660         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2661         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2662         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2663         (Target_arm::Relocate::relocate): Check for non-static or
2664         unimplemented relocation code and exit early.  Change calls to
2665         Target_arm::reloc_uses_thumb_bit and
2666         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2667         instead.  Refactor code to handle similar relocations to increase
2668         code sharing.  Remove check for unsupported relocation code in switch
2669         statement.
2670         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2671         relocation property table to find out size.  Change error message to
2672         print out the name of a relocation code instead of the numeric value.
2673         (Target_arm::scan_reloc_for_stub): Use relocation property table
2674         instead of calling Target_arm::reloc_uses_thumb_bit().
2676 2010-02-02  Doug Kwan  <dougkwan@google.com>
2678         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2679         types of relaxed input section.
2681 2010-02-02  Doug Kwan  <dougkwan@google.com>
2683         * Makefile.am (HFILES): Add arm-reloc-property.h.
2684         (DEFFILES): New.
2685         (TARGETSOURCES): Add arm-reloc-property.cc
2686         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2687         (libgold_a_SOURCES): $(DEFFILES)
2688         * Makefile.in: Regenerate.
2689         * arm-reloc-property.cc: New file.
2690         * arm-reloc-property.h: New file.
2691         * arm-reloc.def: New file.
2692         * arm.cc: Update comments.
2693         (arm-reloc-property.h): New included header.
2694         (arm_reloc_property_table): New global variable.
2695         (Target_arm::do_select_as_default_target): New method definition.
2696         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2697         arm-reloc-property to targ_extra_obj.
2698         * parameters.cc (set_parameters_target): Call
2699         Target::select_as_default_target().
2700         * target.h (Target::select_as_default_target): New method definition.
2701         (Target::do_select_as_default_target): Same.
2703 2010-02-01  Doug Kwan  <dougkwan@google.com>
2705         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2706         first_output_text_section_.
2707         (Arm_exidx_fixup::first_output_text_section): New method definition.
2708         (Arm_exidx_fixup::first_output_text_section_): New data member.
2709         (Arm_exidx_fixup::process_exidx_section): Record the first text
2710         output section seen.
2711         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2712         and entsize in output section header.
2714 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2716         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2717         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2718         (Arm_relocate_functions::thm_alu11): New Method.
2719         (Arm_relocate_functions::thm_pc8): New Method.
2720         (Arm_relocate_functions::thm_pc12): New Method.
2721         (Target_arm::Scan::local): Handle the relocations.
2722         (Target_arm::Scan::global): Likewise.
2723         (Target_arm::Relocate::relocate): Likewise.
2724         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2726 2010-01-29  Doug Kwan  <dougkwan@google.com>
2728         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2729         of relocation types as ld.
2731 2010-01-29  Doug Kwan  <dougkwan@google.com>
2733         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2734         to public.
2735         (Arm_relocate_functions::thumb_branch_common): Ditto.
2736         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2737         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2738         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2739         Arm_relocate_functions::jump24): Remove.
2740         (Target_arm::Relocate::relocate): Adjust code to call
2741         Arm_relocation_functions::arm_branch_common and
2742         Arm_relocation_functions::thumb_branch_common instead of their removed
2743         wrappers.  Merge switch-cases together to reduce source code size.
2745 2010-01-29  Doug Kwan  <dougkwan@google.com>
2747         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2748         output_local_symbol_count_needs_update_.
2749         (Arm_relobj::output_local_symbol_count_needs_update,
2750          Arm_relobj::set_output_local_symbol_count_needs_update,
2751          Arm_relobj::update_output_local_symbol_count): New methods.
2752         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2753         member.
2754         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2755         of pointed function as in a R_ARM_PREL31 relocation.
2756         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2757         for output local symbol count updating.
2758         (Target_arm::do_relax): Update output local symbol counts in objects
2759         if necessary.
2760         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2762 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2764         * arm.cc: Added support for the ARM relocations:
2765         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2766         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2767         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2768         movw_prel_nc).
2769         (Arm_relocate_functions::movw_rel): New method.
2770         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2771         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2772         thm_movw_prel_nc).
2773         (Arm_relocate_functions::thm_movw_rel): New method.
2774         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2775         thm_movt_prel).
2776         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2777         relocations.
2778         (Target_arm::Scan::global): Likewise.
2779         (Target_arm::Relocate::relocate): Likewise.
2780         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2781         Likewise.
2783 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2785         * arm.cc: Added support for ARM group relocations.
2786         (Target_arm::reloc_needs_sym_origin): New method.
2787         (Arm_relocate_functions::calc_grp_kn): New method.
2788         (Arm_relocate_functions::calc_grp_residual): New method.
2789         (Arm_relocate_functions::calc_grp_gn): New method.
2790         (Arm_relocate_functions::arm_grp_alu): New Method.
2791         (Arm_relocate_functions::arm_grp_ldr): New Method.
2792         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2793         (Arm_relocate_functions::arm_grp_ldc): New Method.
2794         (Target_arm::Scan::local): Handle the ARM group relocations.
2795         (Target_arm::Scan::global): Likewise.
2796         (Target_arm::Relocate::relocate): Likewise.
2797         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2798         Likewise.
2800 2010-01-26  Doug Kwan  <dougkwan@google.com>
2802         * arm.cc (set): Include.
2803         (class Arm_exidx_fixup): Change type of last_input_section_ to const
2804         pointer type.
2805         (Arm_output_section::Text_section_list): New type.
2806         (Arm_output_section::append_text_sections_to_list): New method.
2807         (Arm_output_section::fix_exidx_coverage): Ditto.
2808         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2809         (Arm_relobj::convert_input_section_to_relaxed_section): Use
2810         Relobj::set_section_offset() instead of
2811         Sized_relobj::invalidate_section_offset().
2812         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2813         parameter for section headers. Ignore relocation sections for
2814         unallocated sections and EXIDX sections.
2815         (Target_arm::fix_exidx_coverage): New method.
2816         (Target_arm::output_section_address_less_than): New type.
2817         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2818         linked text section instead of the EXIDX section.
2819         (Arm_output_section::create_stub_group): Add an assertion to check
2820         that this is not an EXIDX output section.
2821         (Arm_output_section::append_text_sections_to_list): New method.
2822         (Arm_output_section::fix_exidx_coverage): Ditto.
2823         (Arm_relobj::scan_sections_for_stubs): Adjust call to
2824         Arm_relobj::section_needs_reloc_stub_scanning.
2825         (Target_arm::do_relax): Fix EXIDX output section coverage in the
2826         first pass.
2827         (Target_arm::fix_exidx_coverage): New method.
2828         * object.h (Relobj::set_output_section): New method.
2829         (Sized_relobj::invalidate_section_offset): Remove method.
2830         (Sized_relobj::do_invalidate_section_offset): Remove method.
2831         (Sized_relobj::do_set_section_offset): Handle offset value -1.
2833 2010-01-25  Doug Kwan  <dougkwan@google.com>
2835         * arm.cc (Arm_exidx_merged_section::do_output_offset):
2836         Fix warning due to signed and unsigned comparison on a 32-bit host.
2838 2010-01-22  Doug Kwan  <dougkwan@google.com>
2840         * arm.cc (Target_arm::do_relax): Record an output section for section
2841         offset adjustment it contains any stub table that has changed.
2842         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2843         offsets in an output section if necessary.
2844         * output.cc (Output_section::Output_section): Initialize
2845         section_offsets_need_adjustments_.
2846         (Output_section::add_input_section_for_script): Renamed to
2847         Output_section::add_simple_input_section.
2848         (Output_section::save_states): Add a comment.
2849         (Output_section::discard_states): New method defintion.
2850         (Output_section::adjust_section_offsets): Same.
2851         * output.h (Output_section::add_input_section_for_script): Renamed to
2852         Output_section::add_simple_input_section.
2853         (Output_section::discard_states): New method declaration.
2854         (Output_section::adjust_section_offsets): Same.
2855         (Output_section::section_offsets_need_adjustment,
2856         Output_section::set_section_offsets_need_adjustment): New method
2857         definitions.
2858         (Output_section::section_offsets_need_adjustment_): New data member.
2859         * script-sections.cc
2860         (Output_section_element_input::set_section_address): Adjust code for
2861         renaming of Output_section::add_input_section_for_script.
2862         (Orphan_output_section::set_section_address): Same.
2864 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2866         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2867         Fix_v4bx enum values .
2868         * gold/options.h (General_options): New option definitions.
2869         (General_options::fix_v4bx): New method.
2870         (General_options::Fix_v4bx): New enum.
2871         * gold/options.cc (General_options::parse_fix_v4bx): New method.
2872         (General_options::parse_fix_v4bx_interworking): New method.
2874 2010-01-22  Doug Kwan  <dougkwan@google.com>
2876         * arm.cc (Arm_exidx_fixup): New class.
2878 2010-01-21  Doug Kwan  <dougkwan@google.com>
2880         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2881         classes.
2882         (Arm_exidx_section_offset_map): New type.
2884 2010-01-21  Doug Kwan  <dougkwan@google.com>
2886         * arm.cc (Arm_exidx_input_section): New class.
2887         (Arm_relobj::exidx_input_section_by_link,
2888         Arm_relobj::exidx_input_section_by_shndx,
2889         Arm_relobj::make_exidx_input_section): New methods.
2890         (read_arm_attributes_section): Remove.
2891         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2892         information about them.
2893         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2894         to here.
2896 2010-01-20  Doug Kwan  <dougkwan@google.com>
2898         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2899         Input_section_specifier to Section_id.
2900         (Target_arm::new_arm_input_section: Adjust code for change of key
2901         type.
2902         (Target_arm::find_arm_input_section): Ditto.
2903         * gc.h (object.h): Include for Section_id nand Section_id_hash.
2904         (Section_id): Remove.
2905         (Garbage_collection::Section_id_hash): Remove.
2906         * icf.h (object.h): Include for Section_id nand Section_id_hash.
2907         (Section_id): Remove.
2908         (Icf::Section_id_hash): Remove.
2909         * object.h (Section_id, Const_section_id, Section_id_hash,
2910         Const_section_id_hash): New type definitions.
2911         * output.cc (Output_section::add_relaxed_input_section): Change to
2912         use Const_section_id instead of Input_section_specifier as key type.
2913         (Output_section::add_merge_input_section): Ditto.
2914         (Output_section::build_relaxation_map): Change to use Section_id
2915         instead of Input_section_specifier as key type.
2916         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2917         Ditto.
2918         (Output_section::convert_input_sections_to_relaxed_sections): Change
2919         to use Const_section_id instead of Input_section_specifier as key type.
2920         (Output_section::find_merge_section): Ditto.
2921         (Output_section::find_relaxed_input_section): Ditto.
2922         * output.h (Input_section_specifier): Remove class.
2923         (Output_section::Output_section_data_by_input_section_map): Change
2924         key type to Const_section_id.
2925         (Output_section::Output_relaxed_input_section_by_input_section_map):
2926         Ditto.
2927         (Output_section::Relaxation_map): Change key type to Section_id.
2929 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2931         * gold/arm.cc: Added support for R_ARM_V4BX relocation
2932         (class Arm_v4bx_stub): New class.
2933         (DEF_STUBS): Updated definition to support v4_veneer_bx.
2934         (Stub_factory::make_arm_v4bx_stub): New method.
2935         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2936         (Stub_table::empty): Handle v4bx stubs.
2937         (Stub_table::add_arm_v4bx_stub): New method.
2938         (Stub_table::find_arm_v4bx_stub): New method.
2939         (Arm_relocate_functions::v4bx): New method.
2940         (Target_arm::fix_v4bx): New method.
2941         (Target_arm::Target_arm): Handle R_ARM_V4BX.
2942         (Stub_table::relocate_stubs): Likewise.
2943         (Stub_table::do_write): Likewise.
2944         (Stub_table::update_data_size_and_addralign): Likewise.
2945         (Stub_table::finalize_stubs):  Likewise.
2946         (Target_arm::Scan::local): Likewise.
2947         (Target_arm::Scan::global): Likewise.
2948         (Target_arm::do_finalize_sections): Likewise.
2949         (Target_arm::Relocate::relocate): Likewise.
2950         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2951         Likewise.
2952         (Target_arm::scan_reloc_for_stub): Likewise.
2953         (Target_arm::scan_reloc_section_for_stubs): Likewise.
2955 2010-01-19  Ian Lance Taylor  <iant@google.com>
2957         * output.cc (Output_section_headers::do_sized_write): Write large
2958         segment count to sh_info field.
2959         (Output_file_header::do_sized_write): For large segment count,
2960         write PN_XNUM to e_phnum field.
2962 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2964         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2965         (Arm_relocate_functions::thm_jump8): New function.
2966         (Arm_relocate_functions::thm_jump11): New function.
2967         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2968         R_ARM_THM_JUMP11.
2969         (Target_arm::Scan::global): Likewise.
2970         (Target_arm::Relocate::relocate): Likewise.
2971         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2972         Likewise.
2974 2010-01-14  Doug Kwan  <dougkwan@google.com>
2976         * arm.cc (map, utility): Include headers.
2977         (Target_arm::apply_cortex_a8_workaround): New method.
2978         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2979         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2980         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2981         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2982         the --[no-]fix-cortex-a8 command line options.
2983         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2984         (Target_arm::relocate_stub): Use addend in instruction template.
2985         * options.h (DEFINE_bool): Set the user-set flag.
2986         (General_options): Add --[no-]-fix-cortex options.
2987         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2988         : Update fast look-up map after conversion.
2990 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
2992         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2993         in the first pass of do_layout.
2995 2010-01-13  Doug Kwan  <dougkwan@google.com>
2997         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2998         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2999         apparent compiler problem of not folding static constant integral
3000         data members of elfcpp::Elf_sizes<32>.
3002 2010-01-13  Doug Kwan  <dougkwan@google.com>
3004         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3005         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3006         Arm_relobj::scan_section_for_cortex_a8_erratum,
3007         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3008         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3009         sections to scan for relocation stubs into a new method
3010         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3011         relocation and Cortex-A8 stub scanning.
3012         (Target_arm::do_relax): Force stubs to be after stubbed sections
3013         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3014         the beginning of a new relaxation pass.  Update a comment.
3015         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3017 2010-01-12  Ian Lance Taylor  <iant@google.com>
3019         * target-reloc.h (visibility_error): New inline function.
3020         (relocate_section): Call visibility_error.
3021         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3022         (MOSTLYCLEANFILES): Likewise.
3023         (protected_4_pic.o, protected_3.err): New targets.
3024         * testsuite/protected_4.cc: New file.
3026 2010-01-12  Doug Kwan  <dougkwan@google.com>
3028         * arm.cc (Cortex_a8_reloc): New class.
3029         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3030         and cortex_a8_relocs_info_.
3031         (Target_arm::fix_cortex_a8): New method definition.
3032         (Target_arm::Cortex_a8_relocs_info): New type.
3033         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3034         New data member declarations.
3035         (Target_arm::scan_reloc_for_stub): Record information about
3036         relocations for THUMB branches that might be exempted from the
3037         Cortex-A8 workaround.
3038         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3039         at the beginning of a relaxation pass.
3041 2010-01-12  Doug Kwan  <dougkwan@google.com>
3043         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3044         (Arm_relobj::Mapping_symbol_position,
3045          Arm_reloj::Mapping_symbol_position_less,
3046          Arm_relobj::Mapping_symbols_info): New types.
3047         (Target_arm::is_mapping_symbol_name): New method definition.
3048         (Arm_relobj::do_count_local_symbols): Save information about mapping
3049         symbols.
3051 2010-01-11  Doug Kwan  <dougkwan@google.com>
3053         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3054         Arm_relocate_functions::thumb32_branch_upper,
3055         Arm_relocate_functions::thumb32_branch_lower,
3056         Arm_relocate_functions::thumb32_cond_branch_offset,
3057         Arm_relocate_functions::thumb32_cond_branch_upper,
3058         Arm_relocate_functions::thumb32_cond_branch_lower,
3059         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3060         branch offset encoding.
3061         (Arm_relocate_functions::thumb_branch_common): Use new branch
3062         offset encoding methods to avoid code duplication.
3063         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3064         (Stub_addend_reader::operator()): Use new branch encoding method
3065         to avoid code duplication.
3067 2010-01-11  Doug Kwan  <dougkwan@google.com>
3069         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3070         (Target_arm::do_finalize_sections): Define special EXIDX section
3071         symbols only if referenced.
3072         * gc.h (Garbage_collection::add_reference): New method.
3073         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3074         code duplication.
3076 2010-01-11  Ian Lance Taylor  <iant@google.com>
3078         * script.cc (Version_script_info::build_expression_list_lookup):
3079         Change complaing about duplicate wildcard match from error to
3080         warning.
3082         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3083         of 2009-12-30.
3084         (Version_script_info::Version_script_info): Initialize globs_,
3085         default_version_, default_is_global_, and exact_.  Don't
3086         initialize globals_ or locals_.
3087         (Version_script_info::build_lookup_tables): Build local symbols
3088         first.
3089         (Version_script_info::unquote): New function.
3090         (Version_script_info::add_exact_match): New function.
3091         (Version_script_info::build_expression_list_lookup): Remove lookup
3092         parameter.  Add is_global parameter.  Change all callers.  Handle
3093         wildcard pattern specially.  Unquote pattern.  Call
3094         add_exact_match.
3095         (Version_script_info::get_name_to_match): New function.
3096         (Version_script_info::get_symbol_version): New function.
3097         (Version_script_info::get_symbol_version_helper): Remove.
3098         (Version_script_info::check_unmatched_names): Call unquote.
3099         * script.h (class Version_script_info): Change get_symbol_version
3100         to be non-inline and add is_global parameter; change all callers.
3101         Rewrite symbol_is_local.  Update declarations.  Define struct
3102         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3103         Remove globals_ and locals_ members.  Add exact_, globs_,
3104         default_version_, is_global_.
3105         (Version_script_info::Glob): Remove pattern, add expression and
3106         is_global.  Update constructor.  Change all callers.
3107         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3108         default version.
3109         (Versions::symbol_section_contents): If a symbol is undefined, or
3110         defined in a dynamic object, set the version index to
3111         VER_NDX_LOCAL.
3112         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3113         symbol_is_local.
3114         (Symbol_table::add_from_pluginobj): Likewise.
3115         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3117 2010-01-11  Doug Kwan  <dougkwan@google.com>
3119         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3120         (incremental_dump_LDADD): Add linking option for libintl.
3121         * Makefile.in: Regenerate.
3123 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3125         PR gold/11144
3126         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3127         instead of -Ds.
3128         * testsuite/Makefile.in: Regenerated.
3130 2010-01-10  Doug Kwan  <dougkwan@google.com>
3132         * options.h (DEFINE_var): Use parentheses around argument varname__
3133         in macro body to avoid any unintended subsequent substitutions.
3135 2010-01-10  Ian Lance Taylor  <iant@google.com>
3137         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3138         candidates before doing symbol resolution.
3140         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3141         ODR candidates if only one is weak.
3143 2010-01-08  Ian Lance Taylor  <iant@google.com>
3145         * script.cc (Version_script_info::build_expression_list_lookup):
3146         Don't warn about ambiguous version, just record the ambiguity.
3147         (Version_script_info::get_symbol_version_helper): Give error if
3148         version is ambiguous.
3150 2010-01-08  Doug Kwan  <dougkwan@google.com>
3152         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3153           prev_data_size_ and prev_addralign_.  Remove initializer for
3154           deleted data member has_been_changed_.
3155           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3156           to determine if the table is empty.
3157           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3158           Remove.
3159           (Stub_table::add_reloc_stub): Define method in class definition
3160           instead of just declaring it there.
3161           (Stub_table::add_cortex_a8_stub): New method definition.
3162           (Stub_table::update_data_size_and_addralign): Ditto.
3163           (Stub_table::finalize_stubs): Ditto.
3164           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3165           (Stub_table::do_addralign_): Return address alignment in the
3166           (Stub_table::do_reset_address_and_file_offset): Define method in
3167           class definition instead of declaring it there.  Set current data
3168           size to be the data size of the previous pass.
3169           (Stub_table::set_final_data_size): Use current data size as the
3170           final data size.
3171           (Stub_table::relocate_stub): Change parameter type of stub from
3172           Reloc_stub pointer to Stub pointer.
3173           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3174           (Stub_table::Cortex_a8_stub_list): New typedef.
3175           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3176            Stub_table::prev_addralign_): New data member.
3177           (Arm_relobj::Arm_relobj): Initialize data member
3178           section_has_cortex_a8_workaround_.
3179           (Arm_relobj::section_has_cortex_a8_workaround,
3180            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3181            definitions.
3182           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3183           declarations.
3184           (Target_arm::relocate_stub): Change parameter type of stub from
3185           Reloc_stub pointer to Stub pointer.
3186           (Insn_template::size, Insn_template::alignment): Handle
3187           THUMB16_SPECIAL_TYPE.
3188           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3189            Stub_table::update_data_size_and_addralign,
3190            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3191           definitions.
3192           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3193           (Stub_table::do_write): Ditto.
3194           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3196 2010-01-08  Ian Lance Taylor  <iant@google.com>
3198         PR 11108
3199         * symtab.h (class Symbol): Remove fields is_target_special_ and
3200         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3201         (Symbol::is_defined_in_discarded_section): New function.
3202         (Symbol::set_is_defined_in_discarded_section): New function.
3203         (Symbol::has_plt_offset): Rewrite.
3204         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3205         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3206         Don't initialize is_target_special_ or has_plt_offset_.
3207         Initialize is_defined_in_discarded_section_.
3208         (Symbol_table::add_from_relobj): If appropriate, set
3209         is_defined_in_discarded_section.
3210         * resolve.cc (Symbol::override_base_with_special): Don't test
3211         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3212         * target-reloc.h (relocate_section): Do special handling for
3213         symbols defined in discarded sections for global symbols as well
3214         as local symbols.
3216 2010-01-08  Ian Lance Taylor  <iant@google.com>
3218         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3219         the SHT_SYMTAB case.
3221 2010-01-08  Ian Lance Taylor  <iant@google.com>
3223         * object.cc (Sized_relobj::do_layout): Don't get confused if
3224         layout_eh_frame returns NULL.
3226 2010-01-08  Ian Lance Taylor  <iant@google.com>
3228         PR 11084
3229         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3230         dynamic symbol table, use the normal symbol table.
3231         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3232         symbol table.
3234 2010-01-08  Ian Lance Taylor  <iant@google.com>
3236         PR 11072
3237         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3238         sections.
3240 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3242         * version.cc (print_version): Change to "Copyright 2010".
3244 2010-01-08  Ian Lance Taylor  <iant@google.com>
3246         PR 10287
3247         PR 11063
3248         * i386.cc (class Target_i386): Change return type of plt_section
3249         to be non-const.
3250         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3251         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3252         tls_desc_rel_ field.
3253         (Output_data_plt_i386::rel_tls_desc): New function.
3254         (Target_i386::rel_tls_desc_section): New function.
3255         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3256         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3257         R_386_TLS_DESC reloc in rel_tls_desc_section.
3258         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3259         Define struct Tlsdesc_info.
3260         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3261         (Target_x86_64::do_reloc_symbol_index): New function.
3262         (Target_x86_64::add_tlsdesc_info): New function.
3263         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3264         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3265         tlsdesc_rel_ field.
3266         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3267         all callers.
3268         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3269         (Target_x86_64::rela_tlsdesc_section): New function.
3270         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3271         handling.
3272         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3273         (Target_x86_64::do_reloc_addend): New function.
3274         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3275         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3276         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3277         (Output_reloc::type): New function.
3278         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3279         (Output_reloc::is_target_specific): New function.
3280         (Output_reloc::target_arg): New function.
3281         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3282         absolute relocs and target specific relocs.
3283         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3284         add_target_specific.
3285         (class Output_data_reloc) [SHT_RELA]: Likewise.
3286         * output.cc (Output_reloc::Output_reloc): Add four new versions
3287         for absolute relocs and target specific relocs.
3288         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3289         (Output_reloc::get_symbol_index): Likewise.
3290         (Output_reloc::local_section_offset): Check that local_sym_index_
3291         is not TARGET_CODE or 0.
3292         (Output_reloc::symbol_value): Likewise.
3293         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3294         reloc.
3295         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3296         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3297         functions.
3298         * layout.cc (add_target_dynamic_tags): Use output section for
3299         DT_PLTRELSZ and DT_JMPREL.
3301 2010-01-07  Ian Lance Taylor  <iant@google.com>
3303         PR 11061
3304         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3305         function.
3306         (class Output_data_reloc_generic): Define.
3307         (class Output_data_reloc_base): Change base class to
3308         Output_data_reloc_generic.  Change add() method to call
3309         bump_relative_reloc_count for a relative reloc.  Remove
3310         sort_relocs_ field.
3311         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3312         to sort_relocs().
3313         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3314         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3315         appropriate.
3316         * layout.h (class Layout): Update declaration.
3318 2010-01-07  Ian Lance Taylor  <iant@google.com>
3320         * output.h (class Output_data): Add const version of
3321         output_section and do_output_section.
3322         (class Output_section_data): Add const version of
3323         do_output_section.
3324         (class Output_section): Likewise.
3325         * layout.cc (Layout::add_target_dynamic_tags): New function.
3326         * layout.h (class Layout): Update declarations.
3327         * arm.cc (Target_arm::do_finalize_sections): Use
3328         add_target_dynamic_tags.
3329         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3330         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3331         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3332         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3334 2010-01-07  Ian Lance Taylor  <iant@google.com>
3336         PR 11042
3337         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3338         object as needed.
3340 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3341             Ian Lance Taylor  <iant@google.com>
3343         PR 11019
3344         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3345         Xindex::read_symtab_xindex.
3347 2010-01-07  Doug Kwan  <dougkwan@google.com>
3349         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3350         (Insn_template::thumb16_bcond_insn): New method declaration.
3351         (Insn_template): Fix spelling.
3352         (Stub::thumb16_special): New method declaration.
3353         (Stub::do_write): Define virtual method which was previously pure
3354         virtual.
3355         (Stub::do_thumb16_special): New method declaration.
3356         (Stub::do_fixed_endian_write): New template member.
3357         (Reloc_stub::do_write): Remove.
3358         (Reloc_stub::do_fixed_endian_write): Remove.
3359         (Cortex_a8_stub): New class definition.
3360         (Stub_factory::make_cortex_a8_stub): New method definition.
3361         (Stub_factory::Stub_factory): Add missing static storage class
3362         qualifier for elf32_arm_stub_a8_veneer_blx.
3364 2010-01-07  Ian Lance Taylor  <iant@google.com>
3366         PR 10980
3367         * options.h (class General_options): Add --warn-unresolved-symbols
3368         and --error-unresolved-symbols.
3369         * errors.cc (Errors::undefined_symbol): Implement
3370         --warn-unresolved-symbols.
3372         * options.h (class General_options): Add -z text and -z textoff.
3373         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3375 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3377         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3378         (Garbage_collection::cident_sections): New function.
3379         (Garbage_collection::add_cident_section): New function.
3380         (Garbage_collection::cident_sections_): New member.
3381         (gc_process_relocs): Add references to sections whose names are C
3382         identifiers.
3383         * gold.h (cident_section_start_prefix): New constant.
3384         (cident_section_stop_prefix): New constant.
3385         (is_cident): New function.
3386         * layout.cc (Layout::define_section_symbols): Replace string constants
3387         with the newly defined constants.
3388         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3389         C identifiers.
3390         * testsuite/Makefile.am: Add gc_orphan_section_test.
3391         * testsuite/Makefile.in: Regenerate.
3392         * testsuite/gc_orphan_section_test.cc: New file.
3393         * testsuite/gc_orphan_section_test.sh: New file.
3395 2010-01-06  Ian Lance Taylor  <iant@google.com>
3397         PR 10980
3398         * options.h (class General_options): Add --warn-shared-textrel.
3399         * layout.cc (Layout::finish_dynamic_section): Implement
3400         --warn-shared-textrel.
3402         PR 10980
3403         * options.h (class General_options): Add --warn-multiple-gp.
3405 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3407         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3408         $(THREADSLIB) and $(LIBDL).
3409         * Makefile.in: Rebuild.
3411 2010-01-06  Ian Lance Taylor  <iant@google.com>
3413         PR 10980
3414         * options.cc (General_options::parse_section_start): New function.
3415         (General_options::section_start): New function.
3416         (General_options::General_options): Initialize all members.
3417         * options.h: Include <map>
3418         (class General_options): Add --section-start.  Add section_starts_
3419         member.
3420         * layout.cc (Layout::attach_allocated_section_to_segment): If
3421         --section-start was used, set the address of the segment.  Remove
3422         local sort_sections.
3423         (Layout::relaxation_loop_body): If the address of the load segment
3424         has been set by --section-start, don't use it.
3425         * output.h (Output_segment::update_flags_for_output_section): New
3426         function.
3427         * output.cc (Output_segment::add_output_section): Call
3428         update_flags_for_output_section.
3430 2010-01-05  Ian Lance Taylor  <iant@google.com>
3432         PR 10980
3433         * options.h (class General_options): Add --undefined-version.
3434         * script.cc (struct Version_expression): Add was_matched_by_symbol
3435         field.
3436         (Version_script_info::matched_symbol): New function.
3437         (Version_script_info::get_symbol_version_helper): Call
3438         matched_symbol.
3439         (Version_script_info::check_unmatched_names): New function.
3440         * script.h (class Version_script_info): Update declarations.
3441         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3443         * options.h (class General_options): Use DEFINE_bool_alias for
3444         allow_multiple_definition.
3445         * resolve.cc (Symbol_table::should_override): Don't test
3446         allow_multiple_definition.
3448         PR 10980
3449         * options.h (class General_options): Add --cref.
3450         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3451         until after printing cref table.
3452         * cref.cc: Include "symtab.h".
3453         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3454         (Cref_table_compare::operator()): New function.
3455         (Cref_inputs::gather_cref): New function.
3456         (filecol): New static const.
3457         (Cref_inputs::print_cref): New function.
3458         (Cref::print_cref): New function.
3459         * cref.h: Include <cstdio>.
3460         (class Cref): Update declarations.
3461         * mapfile.h (Mapfile::file): New function.
3462         * object.h (class Object): Define Symbols.  Declare virtual
3463         do_get_global_symbols.
3464         (Object::get_global_symbols): New function.
3465         * object.cc (Input_objects::add_object): Pass object to cref_ if
3466         --cref.
3467         (Input_objects::archive_start): Likewise.
3468         (Input_objects::archive_stop): Likewise.
3469         (Input_objects::print_cref): New function.
3470         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3471         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3472         --cref.
3473         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3474         function.
3475         * plugin.h (class Sized_pluginobj): Update declarations.
3477 2010-01-05  Ian Lance Taylor  <iant@google.com>
3479         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3480         to is_default_version.  Rename insdef to insdefault.
3481         (Symbol_table::add_from_relobj): Rename def to is_default_version
3482         and local to is_forced_local.
3483         (Symbol_table::add_from_pluginobj): Likewise.
3484         (Symbol_table::add_from_dynobj): Likewise.
3485         (Symbol_table::define_special_symbol): Rename insdef to
3486         insdefault.
3488 2010-01-04  Ian Lance Taylor  <iant@google.com>
3490         PR 10980
3491         * options.h (class General_options): Add
3492         --allow-multiple-definition and -z muldefs.
3493         * resolve.cc (Symbol_table::should_override): Don't warn about a
3494         multiple symbol definition if --allow-multiple-definition or -z
3495         muldefs.
3497         PR 10980
3498         * options.h (class General_options): Add --add-needed and
3499         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3500         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3501         error if --copy-dt-needed-entries aka --add-needed is used and
3502         would cause a change in behaviour.
3504         PR 10980
3505         * options.h (class General_options): Add -G as a short version of
3506         --shared.  Add no-op options -assert, -g, and -i.
3508 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3510         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3511         check for .text or .gnu.linkonce.t sections.
3512         * icf.cc (Icf::find_identical_sections): Ditto.
3513         Change the detection for mangled function name within the section
3514         name.
3515         * icf.h (is_section_foldable_candidate): New function.
3517 2009-12-30  Ian Lance Taylor  <iant@google.com>
3519         PR 10980
3520         * options.h (class General_options): Permit two dashes with
3521         --retain-symbols-file.
3523 2009-12-30  Ian Lance Taylor  <iant@google.com>
3525         PR 10979
3526         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3527         don't put the file header and segment headers in the text
3528         segment.
3530         PR 10979
3531         * common.cc (Sort_commons::operator()): Stabilize sort when both
3532         entries are NULL.
3533         (Symbol_table::do_allocate_commons_list): When allocating common
3534         symbols, skip a symbol which is no longer common.
3535         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3536         an object before checking its type.
3537         * testsuite/common_test_2.c: New file.
3538         * testsuite/common_test_3.c: New file.
3539         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3540         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3541         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3542         (common_test_2_pic.o, common_test_2.so): New targets.
3543         (common_test_3_pic.o, common_test_3.so): New targets.
3544         * testsuite/Makefile.in: Rebuild.
3546         PR 10979
3547         * script.cc (read_input_script): If we see a new SECTIONS clause,
3548         and we have added an input section, give an error.
3549         * layout.h (class Layout): Add have_added_input_section function.
3550         Add have_added_input_section_ field.
3551         * layout.cc (Layout::Layout): Initialize
3552         have_added_input_section_.
3553         (Layout::layout): Set have_added_input_section_.
3554         (Layout::layout_eh_frame): Likewise.
3556 2009-12-30  Ian Lance Taylor  <iant@google.com>
3558         PR 10931
3559         * options.h (class General_options): Add --sort-common option.
3560         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3561         * common.cc (Sort_common): Add sort_order parameter to
3562         constructor.  Add sort_order_ field.
3563         (Sort_commons::operator): Check sort_order_.
3564         (Symbol_table::allocate_commons): Determine the sort order.
3565         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3566         Change all callers.
3567         (Symbol_table::do_allocate_commons_list): Likewise.
3569 2009-12-30  Ian Lance Taylor  <iant@google.com>
3571         PR 10916
3572         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3573         symbols from this object, don't change the visibility of an
3574         undefined symbol.
3575         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3577 2009-12-30  Ian Lance Taylor  <iant@google.com>
3579         PR 10861
3580         * script.h (class Version_script_info): Define Language enum.
3581         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3582         new fields globals_, locals_, and is_finalized_.
3583         * script.cc: Various formatting fixes.
3584         (class Parser_closure): Change language_stack_ from a vector of
3585         std::string to one of Version_script_info::Language.  Adjust all
3586         uses accordingly.
3587         (class Lazy_demangler): Remove.
3588         (struct Version_expression): Change language from std::string to
3589         Version_script_info::Language.
3590         (Version_script_info::Version_script_info): New function.
3591         (Version_script_info::~Version_script_info): Don't call clear.
3592         (Version_script_info::finalize): New function.
3593         (Version_script_info::build_lookup_tables): New function.
3594         (Version_script_info::build_expression_list_lookup): New
3595         function.
3596         (Version_script_info::get_symbol_version_helper): Rewrite to use
3597         lookup tables.
3598         (Version_script_info::print_expression_list): Adjust to use
3599         Version_script_info::Language.
3600         (script_push_lex_into_version_mode): Check that the version script
3601         has not been finalized.
3602         (version_script_push_lang): Change language string to
3603         Version_script_info::Language.
3604         * options.cc (Command_line::version_script): New function.
3605         * options.h (class General_options): Add finalize_dynamic_list
3606         function.  Change version_script from declaration to definition.
3607         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3608         * testsuite/version_script.map: Remove duplicate def of foo.
3609         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3610         version_script.map.
3611         * testsuite/Makefile.in: Rebuild.
3613 2009-12-30  Ian Lance Taylor  <iant@google.com>
3615         PR 10843
3616         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3617         if the input symbol index is 0, make the output symbol index 0.
3619 2009-12-30  Ian Lance Taylor  <iant@google.com>
3621         PR 10670
3622         * options.h (class General_options): Add -x/--discard-all.
3623         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3624         --discard-all.  If the local symbol needs a dynamic entry, check
3625         that before handling --discard-locals.
3627 2009-12-30  Ian Lance Taylor  <iant@google.com>
3629         PR 10450
3630         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3631         flags to PF_R.
3632         (Output_segment::add_output_section): Don't change the flags if
3633         the type is PT_TLS.
3635         PR 10450
3636         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3637         GNU hash table if they need a dynamic value.  Otherwise, don't add
3638         them if they are defined in a dynamic object or are forced local.
3640 2009-12-29  Ian Lance Taylor  <iant@google.com>
3642         PR 10450
3643         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3644         .gnu.hash table for a 32-bit target.
3646         PR 10450
3647         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3648         regular and a dynamic object only needs a dynamic symbol table
3649         entry if it is externally visible.
3651         PR 10450
3652         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3653         constructor.  Add global_offset_table_ field.
3654         (Target_i386::got_section): Set global_offset_table_.
3655         (Target_i386::do_finalize_sections): Set global_offset_table_
3656         size.
3657         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3658         in constructor.  Add global_offset_table_ field.
3659         (Target_x86_64::got_section): Set global_offset_table_.
3660         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3661         size.
3663         * layout.cc (Layout::Layout): Initialize increase_relro_.
3664         (Layout::get_output_section): Add is_relro, is_last_relro, and
3665         is_first_non_relro parameters.  Change all callers.
3666         (Layout::choose_output_section): Likewise.
3667         (Layout::add_output_section_data): Likewise.
3668         (Layout::make_output_section): Likewise.
3669         (Layout::set_segment_offsets): Clear increase_relro when using a
3670         linker script.
3671         * layout.h (class Layout): Add increase_relro method.  Add
3672         increase_relro_ field.  Update declarations.
3673         * output.cc (Output_section::Output_section): Initialize
3674         is_last_relro_ and is_first_non_relro_.
3675         (Output_segment::add_output_section): Group relro sections is
3676         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3677         (Output_segment::maximum_alignment): Remove relro handling.
3678         (Output_segment::set_section_addresses): Add increase_relro
3679         parameter.  Change all callers.  Add initial alignment to align
3680         relro sections on separate page.  Remove old relro handling.
3681         (Output_segment::set_section_list_addresses): Remove in_relro
3682         parameter.  Change all callers.
3683         (Output_segment::set_offset): Add increase parameter.  Change all
3684         callers.  Remove old relro handling.
3685         * output.h (class Output_section): Add new methods: is_last_relro,
3686         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3687         Add is_last_relro_ and is_first_non_relro_ fields.
3688         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3689         Create separate .got.plt section.  Call increase_relro.
3690         * x86_64.cc (Target_x86_64::got_section): Likewise.
3691         * testsuite/relro_script_test.t: Add .got.plt.
3693         PR 10450
3694         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3695         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3696         (Layout::finalize): Call set_dynamic_symbol_size.
3697         (Layout::set_dynamic_symbol_size): New function.
3698         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3699         set_dynamic_symbol_size.
3701         PR 10450
3702         * output.h (class Output_section): Add is_entsize_zero_ field.
3703         * output.cc (Output_section::Output_section): Initialize
3704         is_entsize_zero_.
3705         (Output_section::set_entsize): If two different entsizes are
3706         requested, force it to zero.
3707         (Output_section::add_input_section): Set flags for .debug_str
3708         before updating section flags.  Set entsize.
3709         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3710         and SHF_STRING if all input sections have those flags.
3712 2009-12-29   Rafael Espindola  <espindola@google.com>
3714         * main.cc (main): Fix the sys time reporting.
3715         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3716         reporting.
3718 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3720         * options.cc (General_options::parse_version): Allow -v to exit
3721         without an error if there is nothing to link.
3723 2009-12-29  Ian Lance Taylor  <iant@google.com>
3725         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3726         using a version of gcc before 4.1.
3727         * configure: Rebuild.
3729 2009-12-28  Chris Demetriou  <cgd@google.com>
3731         * attributes.cc (Output_attributes_section_data::do_write): Use
3732         std::vector::front rather than std::vector::data.
3734 2009-12-28  Ian Lance Taylor  <iant@google.com>
3736         * symtab.h (class Symbol_table): Add enum Defined.
3737         * resolve.cc (Symbol_table::should_override): Add defined
3738         parameter.  Change all callers.  Test whether object is NULL
3739         before calling a method on it.
3740         (Symbol_table::report_resolve_problem): Add defined parameter.
3741         Change all callers.
3742         (Symbol_table::should_override_with_special): Likewise.
3743         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3744         parameter.  Change all callers.
3745         (Symbol_table::do_define_in_output_data): Likewise.
3746         (Symbol_table::define_in_output_segment): Likewise.
3747         (Symbol_table::do_define_in_output_segment): Likewise.
3748         (Symbol_table::define_as_constant): Likewise.
3749         (Symbol_table::do_define_as_constant): Likewise.
3750         * script.h (class Symbol_assignment): Add is_defsym parameter to
3751         constructor; change all callers.
3752         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3753         parameter.  Change all callers.  Add is_defsym_ field.
3754         (class Parser_closure): Add parsing_defsym parameter to
3755         constructor; change all callers.  Add parsing_defsym accessor
3756         function.  Add parsing_defsym_ field.
3758 2009-12-28  Ian Lance Taylor  <iant@google.com>
3760         * gold.cc (queue_middle_tasks): Fix formatting.
3761         * object.cc (Relobj::is_section_name_included): Likewise.
3763 2009-12-23  Ian Lance Taylor  <iant@google.com>
3765         * i386.cc (Target_i386::do_calls_non_split): Recognize
3766         -fsplit-stack prologue for a function with a static chain.
3767         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3768         -fsplit-stack prologue when using %r11.
3770 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3772         * options.cc (General_options::parse_version): Make -v continue and do
3773         the link like GNU ld does.
3775 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3777         * Makefile.am (CCFILES): Add timer.cc.
3778         (HFILES): Add timer.h.
3779         * configure.ac: Check for sysconf and times.
3780         * main.cc: include timer.h.
3781         (main): Use Timer instead of get_run_time.
3782         * timer.cc: New.
3783         * timer.h: New.
3784         * workqueue.cc: include timer.h.
3785         (Workqueue::find_and_run_task):
3786         Report user, sys and wall time.
3787         * Makefile.in: Regenerate.
3788         * config.in: Regenerate.
3789         * configure: Regenerate.
3791 2009-12-16  Doug Kwan  <dougkwan@google.com>
3793         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3794         sections.
3795         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3796         relaxed input sections.
3797         * output.cc (Output_section::find_relaxed_input_section): Change
3798         return type to Output_relaxed_input_section pointer.  Adjust code
3799         for new type of relaxed_input_section_map_.
3800         * output.h (Output_section::find_relaxed_input_section): Change
3801         return type to Output_relaxed_input_section pointer.
3802         (Output_section::Output_relaxed_input_section_by_input_section_map):
3803         New type.
3804         (Output_section::relaxed_input_section_map_): Change type to
3805         Output_section::Output_relaxed_input_section_by_input_section_map.
3806         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3807         input section.
3809 2009-12-15  Ian Lance Taylor  <iant@google.com>
3811         * layout.cc (Layout::create_shstrtab): Only write out after input
3812         sections if we are compressing debug sections.
3814 2009-12-15  Ian Lance Taylor  <iant@google.com>
3816         * archive.cc (Archive::add_symbols): Only look up a symbol without
3817         a version if there is, in fact, a version.
3819 2009-12-14  Ian Lance Taylor  <iant@google.com>
3821         Revert -Wshadow changes, all changes from:
3822         2009-12-11  Doug Kwan  <dougkwan@google.com>
3823         2009-12-11  Nick Clifton  <nickc@redhat.com>
3824         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3826 2009-12-11  Doug Kwan  <dougkwan@google.com>
3828         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3829         due to -Wshadow.
3830         * attributes.cc (Object_attribute::size): Ditto.
3831         (Attributes_section_data::size): Ditto.
3832         (Attributes_section_data::Attributes_section_data): Ditto.
3833         (Output_attributes_section_data::do_write): Ditto.
3834         * attributes.h (Object_attribute::set_type): Ditto.
3835         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3837 2009-12-11  Nick Clifton  <nickc@redhat.com>
3839         * archive.cc: Fix shadowed variable warnings.
3840         * arm.cc: Likewise.
3841         * compressed_output.cc: Likewise.
3842         * compressed_output.h: Likewise.
3843         * configure: Likewise.
3844         * dwarf_reader.cc: Likewise.
3845         * dynobj.cc: Likewise.
3846         * dynobj.h: Likewise.
3847         * ehframe.cc: Likewise.
3848         * ehframe.h: Likewise.
3849         * errors.cc: Likewise.
3850         * expression.cc: Likewise.
3851         * fileread.cc: Likewise.
3852         * fileread.h: Likewise.
3853         * freebsd.h: Likewise.
3854         * i386.cc: Likewise.
3855         * icf.cc: Likewise.
3856         * incremental.h: Likewise.
3857         * layout.cc: Likewise.
3858         * layout.h: Likewise.
3859         * mapfile.cc: Likewise.
3860         * merge.cc: Likewise.
3861         * merge.h: Likewise.
3862         * object.cc: Likewise.
3863         * object.h: Likewise.
3864         * options.h: Likewise.
3865         * output.cc: Likewise.
3866         * output.h: Likewise.
3867         * parameters.cc: Likewise.
3868         * plugin.cc: Likewise.
3869         * powerpc.cc: Likewise.
3870         * reduced_debug_output.cc: Likewise.
3871         * reduced_debug_output.h: Likewise.
3872         * reloc.cc: Likewise.
3873         * reloc.h: Likewise.
3874         * resolve.cc: Likewise.
3875         * script-sections.cc: Likewise.
3876         * script.cc: Likewise.
3877         * script.h: Likewise.
3878         * sparc.cc: Likewise.
3879         * symtab.cc: Likewise.
3880         * symtab.h: Likewise.
3881         * target-select.cc: Likewise.
3882         * target-select.h: Likewise.
3883         * token.h: Likewise.
3884         * workqueue.cc: Likewise.
3885         * workqueue.h: Likewise.
3886         * x86_64.cc: Likewise.
3888 2009-12-10  Doug Kwan  <dougkwan@google.com>
3890         * arm.cc (attributes.h): New include.
3891         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3892         (Arm_relobj::~Arm_relobj): Delete object pointed by
3893         attributes_section_data_.
3894         (Arm_relobj::attributes_section_data): New method definition.
3895         (Arm_relobj::attributes_section_data_): New data member declaration.
3896         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3897         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3898         attributes_section_data_.
3899         (Arm_dynobj::attributes_section_data): New method definition.
3900         (Arm_dynobj::attributes_section_data_): New data member declaration.
3901         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
3902         initialization value of may_use_blx_ to false.
3903         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3904         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3905         object attributes to compute results instead of hard-coding.
3906         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3907         Target_arm::get_secondary_compatible_arch,
3908         Target_arm::set_secondary_compatible_arch
3909         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3910         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3911         New method declarations.
3912         (Target_arm::get_aeabi_object_attribute): New method definition.
3913         (Target_arm::attributes_section_data_): New data member declaration.
3914         (read_arm_attributes_section): New template definition.
3915         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3916         (Arm_dynobj::do_read_symbols): Ditto.
3917         (Target_arm::do_finalize_sections): Merge attributes sections from
3918         input.  Check for BLX use after attributes section merging.
3919         Fix __exidx_start and __exidx_end visibility.  Create an
3920         .ARM.attributes section if necessary.
3921         (Target_arm::get_secondary_compatible_arch,
3922         Target_arm::set_secondary_compatible_arch,
3923         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3924         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3925         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3926         New method definitions.
3928 2009-12-09  Ian Lance Taylor  <iant@google.com>
3930         * plugin.cc (Plugin::load): Don't cast from void* to a function
3931         pointer.
3933 2009-12-09  Ian Lance Taylor  <iant@google.com>
3935         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3936         information fields.
3938 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
3940         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3941         Replace two_file_shared_1.so with two_file_shared_2.so.
3942         * testsuite/Makefile.in: Regenerated.
3944 2009-12-08  Doug Kwan  <dougkwan@google.com>
3946         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3947         (HFILES): Add attributes.h and int_encoding.h.
3948         * Makefile.in: Regenerate.
3949         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3950         function definitions to int_encoding.cc
3951         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3952         prototypes to int_encoding.h
3953         * reduced_debug_output.cc (int_encoding.h): New include.
3954         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3955         function definitions to int_encoding.cc
3956         (insert_into_vector, read_from_pointer): Move template definitions to
3957         int_encoding.h
3958         * attributes.cc: New file.
3959         * attributes.h: New file.
3960         * int_encoding.cc: New file.
3961         * int_encoding.h: New file.
3963 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
3965         PR gold/11055
3966         * incremental-dump.cc (dump_incremental_inputs): New.
3967         (main): Use dump_incremental_inputs.
3969 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
3971         PR gold/10893
3972         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3973         checking elfcpp::STT_FUNC.
3974         (Target_i386::Relocate::relocate): Likewise.
3975         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3977         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3978         symbols from shared libraries into normal FUNC symbols.
3980         * symtab.h (Symbol): Add is_func and use it.
3982 2009-12-05  Doug Kwan  <dougkwan@google.com>
3984         * arm.cc (Target_arm::arm_info): Initialize new fields
3985         attributes_section and attributes_vendor.
3986         * i386.cc (Target_i386::i386_info): Same.
3987         * object.cc (Sized_relobj::do_layout): Skip attribute section.
3988         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3989         fields attributes_section and attributes_vendor.
3990         * sparc.cc (Target_sparc::sparc_info): Same.
3991         * target.h (Target::attributes_section, Target::attributes_vendor,
3992         Target::is_attributes_section, Target::attribute_arg_type,
3993         Target::attributes_order): New method definitions.
3994         (Target::Target_info::attributes_section,
3995         Target::Target_info::attributes_vendor): New fields.
3996         (Target::do_attribute_arg_type, Target::do_attributes_order): New
3997         virtual method definitions.
3998         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3999         attributes_section and attributes_vendor.
4000         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4002 2009-12-05  Doug Kwan  <dougkwan@google.com>
4004         * arm.cc: Update comments about interworking and stub generation.
4005         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4006         considered as non-PIC.
4007         (Arm_relocate_functions::base_abs): Fix formatting.
4008         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4009         of function to use GOT entry address instead of offset.
4010         (Target_arm::Scan::global): Issue an error if a symbol would need a
4011         PLT does not get one because it is untyped.  Remove code to create
4012         dynamic symbols for relative branches.
4013         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4014         takes unsigned integer instead of boolean.
4016 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4018         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4019         (two_file_test_LDADD): Likewise.
4020         (common_test_1_LDADD): Likewise.
4021         (exception_test_LDADD) Likewise.
4022         (weak_test_LDADD): Likewise.
4023         (many_sections_test_LDADD): Likewise.
4024         (initpri1_LDADD): Likewise.
4025         (script_test_1_LDADD): Likewise.
4026         (script_test_2_LDADD): Likewise.
4027         (justsyms_LDADD): Likewise.
4028         (binary_test_LDADD): Likewise.
4029         (large_LDADD): Likewise.
4030         * testsuite/Makefile.in: Regenerated.
4032 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4034         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4035         (Symbol_table::override_with_special): Likewise.
4036         (Symbol_table::add_from_object): Likewise.
4038 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4040         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4041         Don't set the data_offset twice.
4043 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4045         * testsuite/Makefile.in: Regenerate.
4047 2009-12-03  Doug Kwan  <dougkwan@google.com>
4049         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4050         (Target_arm::do_finalize_sections): Add parameter for symbol table
4051         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4052         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4053         parameter for symbol table pointer.
4054         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4055         an additional parameter for a pointer to symbol table.
4056         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4057         parameter for a symbol table pointer.
4058         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4059         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4060         Ditto.
4061         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4062         parameter for a symbol table pointer.
4064 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4066         * incremental.cc (Incremental_inputs_header)
4067         (Incremental_inputs_header_write, Incremental_inputs_entry)
4068         (Incremental_inputs_entry_write): Move ...
4069         * incremental.h (Incremental_inputs_header)
4070         (Incremental_inputs_header_write, Incremental_inputs_entry)
4071         (Incremental_inputs_entry_write): here.
4073 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4075         * incremental.cc (make_sized_incremental_binary): Set the target.
4076         Error if it is incompatible.
4077         * output.h (Output_file): Add filename method.
4079 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4081         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4082         from the get_* methods.
4084 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4086         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4087         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4088         Write 0 for the data_offset of scripts.
4090 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4092         * testsuite/Makefile.am: Add the incremental_test.sh test.
4093         * testsuite/incremental_test.sh: New.
4094         * testsuite/incremental_test_1.c: New.
4095         * testsuite/incremental_test_2.c: New.
4097 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4099        * incremental-dump.cc (main): Fix typos.
4101 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4103         PR gold/11025
4104         * incremental-dump.cc (main): Use llu to print 64 bit values.
4106 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4107             H.J. Lu  <hongjiu.lu@intel.com>
4109         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4110         $(LIBDL).
4111         (incremental_dump_LDADD): Likewise.
4112         * Makefile.in: Regenerated.
4114 2009-11-25  Doug Kwan  <dougkwan@google.com>
4116         Revert:
4118         2009-11-25  Doug Kwan  <dougkwan@google.com>
4120                 * arm.cc (Target_arm::Target_arm): Move method definition
4121                 outside of class definition.  Add code to handle
4122                 --target1-rel, --target1-abs and --target2= options.
4123                 (Target_arm::get_reloc_reloc_type): Change method to be
4124                 non-static and const.
4125                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4126                 New data member declaration.
4127                 (Target_arm::Scan::local, Target_arm::Scan::global,
4128                 Target_arm::Relocate::relocate,
4129                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4130                 Adjust call to Target_arm::get_real_reloc_type.
4131                 (Target_arm::get_real_reloc_type): Use command line options
4132                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4133                 * options.h (--target1-rel, --target1-abs, --target2): New
4134                 ARM-only options.
4136 2009-11-25  Doug Kwan  <dougkwan@google.com>
4138         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4139         class definition.  Add code to handle --target1-rel, --target1-abs
4140         and --target2= options.
4141         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4142         and const.
4143         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4144         member declaration.
4145         (Target_arm::Scan::local, Target_arm::Scan::global,
4146         Target_arm::Relocate::relocate,
4147         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4148         call to Target_arm::get_real_reloc_type.
4149         (Target_arm::get_real_reloc_type): Use command line options to
4150         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4151         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4152         options.
4154 2009-11-25  Doug Kwan  <dougkwan@google.com>
4156         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4157         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4158         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4159         formatting.
4160         (Arm_relocate_functions::thm_call): Replace body with a call to
4161         Arm_relocate_functions::thumb_branch_common.
4162         (Arm_relocate_functions::thm_jump24,
4163         Arm_relocate_functions::thm_xpc22): New method definitions.
4164         (Arm_relocate_functions::thumb_branch_common): New method definition.
4165         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4166         operator.
4167         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4168         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4170 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4172         * Makefile.am: Build incremental-dump
4173         * Makefile.in: Regenerate.
4174         * incremental-dump.cc: New.
4175         * incremental.cc (Incremental_inputs_header_data,
4176         Incremental_inputs_entry_data): Move to incremental.h
4177         * incremental.h: (Incremental_inputs_header_data,
4178         Incremental_inputs_entry_data): Move from incremental.cc
4180 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4182         * incremental.cc (Incremental_inputs_header,
4183         Incremental_inputs_header_write, Incremental_inputs_entry,
4184         Incremental_inputs_entry_write): Add a typedef with the data type.
4186 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4188         * incremental.cc (Incremental_inputs_header,
4189         Incremental_inputs_header_write, Incremental_inputs_entry,
4190         Incremental_inputs_entry_write): Update comment about which
4191         type has the filed descriptions.
4193 2009-11-15  Doug Kwan  <dougkwan@google.com>
4195         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4196         (Arm_relocate_functions::arm_branch_common): Change method defintion
4197         in class definition to a method declaration and update list of formal
4198         parameters.
4199         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4200         Arm_relocation_functions::jump24): Adjust call to
4201         Arm_relocate_functions::arm_branch_common.  Update list of formal
4202         parameters.
4203         (Arm_relocate_functions::xpc25): New method definition.
4204         (Arm_relocate_functions::arm_branch_common): Move method defintion
4205         out from class definition.  Use stubs for mode-switching and extending
4206         branch ranges.
4207         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4208         specially.  Change code to enable use of stubs in ARM branches.
4210 2009-11-10  Doug Kwan  <dougkwan@google.com>
4212         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4213         in method declaration.
4214         (Target_arm::relocate_stub): New method declaration.
4215         (Target_arm::default_target): Change to return a pointer instead of
4216         a const reference.
4217         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4218         Target_arm::default_target.
4219         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4220         method definition.
4221         (Target_arm::relocate_section): Adjust view.
4222         (Target_arm::relocate_stub): New method definition.
4224 2009-11-10  Doug Kwan  <dougkwan@google.com>
4226         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4227         a format warning.
4228         * incremental.cc (open_incremental_binary): Initialized local
4229         variables to avoid warnings.
4230         * object.cc (make_elf_object): Ditto.
4231         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4232         a format warning.
4234 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4236         PR gold/10930
4237         * testsuite/plugin_test.c: Include "config.h".
4239 2009-11-09  Doug Kwan  <dougkwan@google.com>
4241         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4242         (arm_symbol_value): Remove.
4243         (Arm_relocate_functions::arm_branch_common,
4244         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4245         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4246         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4247         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4248         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4249         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4250         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4251         Arm_relocate_functions::thm_mobw_abs_nc,
4252         Arm_relocate_functions::thm_mov_abs,
4253         Arm_relocate_functions::movw_prel_nc,
4254         Arm_relocate_functions::thm_movt_abs,
4255         Arm_relocate_functions::movt_prel,
4256         Arm_relocate_functions::thm_movw_prel_nc,
4257         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4258         (Target_arm::Relocate::relocate): Only decompose address into two
4259         parts if relocation type uses the thumb-bit and pass the actual
4260         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4261         calls to methods in Arm_relocate_functions for this change.
4263 2009-11-08  Ian Lance Taylor  <iant@google.com>
4265         PR 10925
4266         * reloc.cc: Instantiate
4267         Sized_relobj::initialize_input_to_output_maps and
4268         Sized_relobj:free_input_to_output_maps.
4270 2009-11-06  Ian Lance Taylor  <iant@google.com>
4272         PR 10876
4273         * defstd.cc (in_segment): Set only_if_ref true for "end".
4275 2009-11-06  Doug Kwan  <dougkwan@google.com>
4277         * arm.cc (class Reloc_stub): Correct a comment.
4278         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4279         (Target_arm::scan_section_for_stubs): New method declaration.
4280         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4281         Change methods from private to protected.
4282         (Target_arm::do_may_relax): New method definition.
4283         (Target_arm::do_relax, Target_arm::group_sections,
4284         Target_arm::scan_reloc_for_stub,
4285         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4286         (Target_arm::arm_input_section_map_): New data member declaration.
4287         (Target_arm::scan_reloc_for_stub,
4288         Target_arm::scan_reloc_section_for_stubs,
4289         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4290         Target_arm::do_relax): New method definitions.
4292 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4294         * configure.ac: Check for (struct stat)::st_mtim
4295         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4296         * config.in: Regenerate.
4297         * configure: Regenerate.
4299 2009-11-05  Ian Lance Taylor  <iant@google.com>
4301         PR 10910
4302         * output.cc (Output_segment::add_output_section): Add missing
4303         return statement.
4305 2009-11-04  Ian Lance Taylor  <iant@google.com>
4307         PR 10880
4308         * object.h (class Object): Add is_needed and set_is_needed
4309         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4310         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4311         defined in a dynamic object and referenced by a regular object,
4312         set is_needed for the dynamic object.
4313         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4314         if the file is marked with as_needed and it is not needed.
4316 2009-11-04  Ian Lance Taylor  <iant@google.com>
4318         PR 10887
4319         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4320         tags if data is discarded by linker script.
4321         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4322         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4323         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4324         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4326 2009-11-04  Ian Lance Taylor  <iant@google.com>
4328         * layout.cc (Layout::get_output_section): Add is_interp and
4329         is_dynamic_linker_section parameters.  Change all callers.
4330         (Layout::choose_output_section): Likewise.
4331         (Layout::make_output_section): Likewise.
4332         (Layout::add_output_section_data): Add is_dynamic_linker_section
4333         parameter.  Change all callers.
4334         * layout.h (class Layout): Update declarations.
4335         * output.h (class Output_section): Add is_interp, set_is_interp,
4336         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4337         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4338         generate_code_fills_at_write_ to a bitfield.
4339         * output.cc (Output_section::Output_sections): Initialize new
4340         fields.
4341         (Output_segment::add_output_section): Add do_sort parameter.
4342         Change all callers.
4344 2009-11-03  Ian Lance Taylor  <iant@google.com>
4346         PR 10860
4347         * options.h (class General_options): Add --warn-common.
4348         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4349         merging two common symbols.
4350         (Symbol_table::should_override): Handle --warn-common when merging
4351         a common symbol with a defined symbol.  Use report_resolve_problem
4352         for multiple definitions.
4353         (Symbol_table::report_resolve_problem): New function.
4354         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4356 2009-11-03  Doug Kwan  <dougkwan@google.com>
4358         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4359         stub_factory_.
4360         (Target_arm::stub_factory): New method definition.
4361         (Target_arm::new_arm_input_section,
4362         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4363         Target_arm::reloc_uses_thumb_bit): New method declarations.
4364         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4365         New type definitions.
4366         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4367         member declarations.
4368         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4369         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4370         New method definitions.
4372 2009-11-03  Ian Lance Taylor  <iant@google.com>
4374         * options.h (class General_options): Add --warn_constructors.
4376 2009-11-03  Ian Lance Taylor  <iant@google.com>
4378         PR 10893
4379         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4380         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4382 2009-11-03  Ian Lance Taylor  <iant@google.com>
4384         PR 10895
4385         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4386         --msgid-bugs-address.
4387         (install-pdf): New target.
4388         (install-data_yes): Look up one directory to find mkinstalldirs.
4390 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4392         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4393         tree.
4395 2009-10-30  Doug Kwan  <dougkwan@google.com>
4397         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4399 2009-10-30  Doug Kwan  <dougkwan@google.com>
4401         * arm.cc (Stub_addend_reader): New struct template definition
4402         and partial specializations.
4403         (Stub_addend_reader::operator()): New method definition for a
4404         partially specialized template.
4406 2009-10-30  Doug Kwan  <dougkwan@google.com>
4408         * arm.cc (Arm_relobj::processor_specific_flags): New method
4409         definition.
4410         (Arm_relobj::do_read_symbols): New method declaration.
4411         (Arm_relobj::processor_specific_flags_): New data member declaration.
4412         (Arm_dynobj): New class definition.
4413         (Target_arm::do_finalize_sections): Add input_objects parameter.
4414         (Target_arm::do_adjust_elf_header): New method declaration.
4415         (Target_arm::are_eabi_versions_compatible,
4416         (Target_arm::merge_processor_specific_flags): New method declaration.
4417         (Target_arm::do_make_elf_object): New overloaded method definitions
4418         and declaration.
4419         (Arm_relobj::do_read_symbols): New method definition.
4420         (Arm_dynobj::do_read_symbols): Ditto.
4421         (Target_arm::do_finalize_sections): Add input_objects parameters.
4422         Merge processor-specific flags from all input objects.
4423         (Target_arm::are_eabi_versions_compatible,
4424         Target_arm::merge_processor_specific_flags,
4425         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4426         New method definitions.
4427         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4428         Input_objects pointer type parameter.
4429         * layout.cc (Layout::finalize): Pass input objects to target's.
4430         finalize_sections function.
4431         * output.cc (Output_file_header::do_sized_write): Set ELF file
4432         header's processor-specific flags.
4433         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4434         Input_objects pointer type parameter.
4435         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4436         * target.h (Input_objects): New forward class declaration.
4437         (Target::processor_specific_flags,
4438         Target::are_processor_specific_flags_sect): New method definitions.
4439         (Target::finalize_sections): Add input_objects parameter.
4440         (Target::Target): Initialize processor_specific_flags_ and
4441         are_processor_specific_flags_set_.
4442         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4443         parameter.
4444         (Target::set_processor_specific_flags): New method definition.
4445         (Target::processor_specific_flags_,
4446         Target::are_processor_specific_flags_set_): New data member
4447         declarations.
4448         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4449         Input_objects pointer type parameter.
4451 2009-10-30  Doug Kwan  <dougkwan@google.com>
4453         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4455 2009-10-28  Ian Lance Taylor  <iant@google.com>
4457         * object.h (class Relobj): Drop options parameter from
4458         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4459         do_scan_relocs, do_relocate.  Change all callers.
4460         (class Sized_relobj): Drop options parameters from
4461         do_gc_process_relocs, do_scan_relocs, do_relocate,
4462         do_relocate_sections, relocate_sections, emit_relocs_scan,
4463         emit_relocs_scan_reltype.  Change all callers.
4464         (struct Relocate_info): Remove options field and all references to
4465         it.
4466         * reloc.h (class Read_relocs): Remove options constructor
4467         parameter and options_ field.  Change all callers.
4468         (class Gc_process_relocs, class Scan_relocs): Likewise.
4469         (class Relocate_task): Likewise.
4470         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4471         all callers.
4472         (scan_relocatable_relocs): Likewise.
4473         * target.h (class Sized_target): Remove options parameter from
4474         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4475         all callers.
4476         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4477         callers.
4478         * arm.cc: Update functions to remove options parameters.
4479         * i386.cc: Likewise.
4480         * powerpc.cc: Likewise.
4481         * sparc.cc: Likewise.
4482         * x86_64.cc: Likewise.
4483         * testsuite/testfile.cc: Likewise.
4485 2009-10-28  Doug Kwan  <dougkwan@google.com>
4487         * arm.cc (Arm_relobj): New class definition.
4488         (Arm_relobj::scan_sections_for_stubs,
4489         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4490         New method definitions.
4492 2009-10-28  Cary Coutant  <ccoutant@google.com>
4494         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4495         (Plugin::cleanup_done_): New member.
4496         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4497         (Plugin_manager::cleanup_done_): Remove.
4498         (Plugin_manager::add_input_file): Edit error message.
4499         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4500         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4502 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4504         * fileread.cc: (File_read::View::~View): Use the new
4505         data_ownership_ filed.
4506         (File_read::~File_read): Dispose the new whole_file_view_.
4507         (File_read::open): Mmap the whole file if needed.
4508         (File_read::open): Use whole_file_view_ instead of contents_.
4509         (File_read::find_view): Use whole_file_view_ if applicable.
4510         (File_read::do_read): Use whole_file_view_ instead of contents_.
4511         (File_read::make_view): Use whole_file_view_ instead of contents_,
4512         update File_read::View::View call.
4513         (File_read::find_or_make_view): Update File_read::View::View
4514         call.
4515         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4516         remove contents_
4517         (File_read::View::Data_ownership): New enum.
4518         (File_read::View::View): Replace bool mapped_ with Data_ownership
4519         argument.
4520         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4521         (File_read::View::data_ownership_): New field.
4522         (File_read::contents_): Remove (replaced by whole_file_view_).
4523         (File_read::whole_file_view_): New field.
4524         * options.h (class General_options): Add --keep-files-mapped.
4526 2009-10-27  Cary Coutant  <ccoutant@google.com>
4528         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4529         * testsuite/Makefile.am (plugin_test_5): New test case.
4530         * testsuite/Makefile.in: Regenerate.
4532 2009-10-25  Doug Kwan  <dougkwan@google.com>
4534         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4535         from private to protected to allow access by child class.
4536         (Sized_relobj::do_relocate_sections): New method declaration.
4537         (Sized_relobj::relocate_sections): Virtualize.
4538         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4539         Sized_relobj::relocate_sections.  Instantiate template explicitly
4540         for different target sizes and endianity.
4542 2009-10-24  Doug Kwan  <dougkwan@google.com>
4544         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4545         (Arm_input_section::as_arm_input_section): New method.
4546         (Arm_output_section): New class definition.
4547         (Arm_output_section::create_stub_group,
4548         Arm_output_section::group_sections): New method definitions.
4550 2009-10-22  Doug Kwan  <dougkwan@google.com>
4552         * arm.cc (Arm_input_section): New class definition.
4553         (Arm_input_section::init, Arm_input_section:do_write,
4554         Arm_input_section::set_final_data_size,
4555         Arm_input_section::do_reset_address_and_file_offset): New method
4556         definitions.
4558 2009-10-21  Doug Kwan  <dougkwan@google.com>
4560         * arm.cc (Stub_table, Arm_input_section): New forward class
4561         declarations.
4562         (Stub_table): New class defintion.
4563         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4564         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4565         New method definition.
4567 2009-10-21  Doug Kwan  <dougkwan@google.com>
4569         * arm.cc: Update copyright comments.
4570         (Target_arm): New forward class template declaration.
4571         (Arm_address): New type.
4572         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4573         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4574         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4575         constants.
4576         (Insn_template): Same.
4577         (DEF_STUBS): New macro.
4578         (Stub_type): New enum type.
4579         (Stub_template): New class definition.
4580         (Stub): Same.
4581         (Reloc_stub): Same.
4582         (Stub_factory): Same.
4583         (Target_arm::Target_arm): Initialize may_use_blx_ and
4584         should_force_pic_veneer_.
4585         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4586         Target_arm::should_force_pic_veneer,
4587         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4588         Target_arm::using_thumb_only, Target_arm:;default_target): New
4589         method defintions.
4590         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4591         New data member declarations.
4592         (Insn_template::size, Insn_template::alignment): New method defintions.
4593         (Stub_template::Stub_template): New method definition.
4594         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4595         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4596         (Stub_factory::Stub_factory): New method definition.
4597         * gold.h (string_hash): New template.
4598         * output.h (Input_section_specifier::hash_value): Use
4599         gold::string_hash.
4600         (Input_section_specifier::string_hash): Remove.
4601         * stringpool.cc (Stringpool_template::string_hash): Use
4602         gold::string_hash.
4604 2009-10-20  Doug Kwan  <dougkwan@google.com>
4606         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4607         symbols of relaxed input sections.
4608         * output.h (Output_section::find_relaxed_input_section): Make
4609         method public.
4611 2009-10-16  Doug Kwan  <dougkwan@google.com>
4613         * dynobj.cc (Versions::Versions): Initialize version_script_.
4614         Only insert base version symbol definition for a shared object
4615         if version script defines any version versions.
4616         (Versions::define_base_version): New method definition.
4617         (Versions::add_def): Check that base version is not needed.
4618         (Versions::add_need): Define base version lazily.
4619         * dynobj.h (Versions::define_base_version): New method declaration.
4620         (Versions::needs_base_version_): New data member declaration.
4621         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4622         (check_DATA): Add no_version_test.stdout.
4623         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4624         New make rules.
4625         * testsuite/Makefile.in: Regenerate.
4626         * testsuite/no_version_test.c: New file.
4627         * testsuite/no_version_test.sh: Ditto.
4629 2009-10-16  Doug Kwan  <dougkwan@google.com>
4631         * expression.cc (class Segment_start_expression): New class definition.
4632         (Segment_start_expression::value): New method definition.
4633         (script_exp_function_segment_start): Return a new
4634         Segment_start_expression.
4635         * gold/script-c.h (script_saw_segment_start_expression): New function
4636         prototype.
4637         * script-sections.cc (Script_sections::Script_sections): Initialize
4638         SAW_SEGMENT_START_EXPRESSION_ to false.
4639         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4640         and -Tbbs options to specify section addresses if given in
4641         command line and no SEGMENT_START expression is seen in a script.
4642         * script-sections.h (Script_sections::saw_segment_start_expression,
4643         Script_sections::set_saw_segment_start_expression): New method
4644         definition.
4645         (Script_sections::saw_segment_start_expression_): New data member
4646         declaration.
4647         * script.cc (script_saw_segment_start_expression): New function.
4648         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4649         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4650         script_test_7.sh and script_test_8.sh.
4651         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4652         script_test_8.stdout.
4653         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4654         (script_test_6, script_test_6.stdout, script_test_7,
4655         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4656         * Makefile.in: Regenerate.
4657         * testsuite/script_test_6.sh: New file.
4658         * testsuite/script_test_6.t: Same.
4659         * testsuite/script_test_7.sh: Same.
4660         * testsuite/script_test_7.t: Same.
4661         * testsuite/script_test_8.sh: Same.
4663 2009-10-16  Doug Kwan  <dougkwan@google.com>
4665         * output.cc (Output_segment::set_section_list_address): Cast
4666         expressions to unsigned long long type to avoid format warnings.
4668 2009-10-15  Ian Lance Taylor  <iant@google.com>
4670         * script.cc (Script_options::add_symbol_assignment): Always add a
4671         dot assignment to script_sections_.
4672         * script-sections.cc (Script_sections::add_dot_assignment):
4673         Initialize if necessary.
4675         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4676         program headers with no load segment if there is a linker script.
4678         * layout.cc (Layout::set_segment_offsets): Align the file offset
4679         to the segment aligment for -N or -n with no load segment.
4680         * output.cc (Output_segment::add_output_section): Don't crash if
4681         the first section is a TLS section.
4682         (Output_segment::set_section_list_addresses): Print an error
4683         message if the address moves backward in a linker script.
4684         * script-sections.cc
4685         (Output_section_element_input::set_section_addresses): Don't
4686         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4687         (Orphan_output_section::set_section_addresses): Likewise.
4689 2009-10-15  Doug Kwan  <dougkwan@google.com>
4691         * layout.cc (Layout::finish_dynamic_section): Generate tags
4692         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4693         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4694         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4696 2009-10-14  Ian Lance Taylor  <iant@google.com>
4698         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4699         fields.
4700         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4701         data_shdr fields of relinfo.
4702         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4703         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4704         R_386_TLS_LDO_32, adjust based on section flags.
4705         (Target_i386::Relocate::fix_up_ldo): Remove.
4707 2009-10-13  Ian Lance Taylor  <iant@google.com>
4709         Add support for -pie.
4710         * options.h (class General_options): Add -pie and
4711         --pic-executable.
4712         (General_options::output_is_position_independent): Test -pie.
4713         (General_options::output_is_executable): Return true if not shared
4714         and not relocatable.
4715         (General_options::output_is_pie): Remove.
4716         * options.cc (General_options::finalize): Reject incompatible uses
4717         of -pie.
4718         * gold.cc (queue_middle_tasks): A -pie link is not static.
4719         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4720         * symtab.cc (Symbol::final_value_is_known): Return false if
4721         output_is_position_independent.
4722         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4723         output_is_position_independent.
4724         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4725         output_is_position_independent.
4726         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4727         output_is_position_independent.
4728         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4729         two_file_pie_test.
4730         (basic_pie_test.o, basic_pie_test): New targets.
4731         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4732         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4733         (two_file_pie_test): New target.
4734         * testsuite/Makefile.in: Rebuild.
4735         * README: Remove note saying that -pie is not supported.
4737 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4739         * options.h (class General_options): Add -init and -fini.
4740         * layout.cc (Layout::finish_dynamic_section): Emit
4741         given init and fini functions.
4743 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4745         * gc.h (gc_process_relocs): Check if icf is enabled using new
4746         function.
4747         * gold.cc (queue_initial_tasks): Likewise.
4748         (queue_middle_tasks): Likewise.
4749         * object.cc (do_layout): Likewise.
4750         * symtab.cc (is_section_folded): Likewise.
4751         * main.cc (main): Likewise.
4752         * reloc.cc (Read_relocs::run): Likewise.
4753         (Sized_relobj::do_scan_relocs): Likewise.
4754         * icf.cc (is_function_ctor_or_dtor): New function.
4755         (Icf::find_identical_sections): Check if function is ctor or dtor when
4756         safe icf is chosen.
4757         * options.h (General_options::icf): Change option to be an enum.
4758         (Icf_status): New enum.
4759         (icf_enabled): New method.
4760         (icf_safe_folding): New method.
4761         (set_icf_status): New method.
4762         (icf_status_): New variable.
4763         * (options.cc) (General_options::finalize): Set icf_status_.
4764         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4765         icf_test and icf_keep_unique_test to use the --icf enum flag.
4766         * testsuite/icf_safe_test.sh: New file.
4767         * testsuite/icf_safe_test.cc: New file.
4769 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4771         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4772         includes to gc.h and icf.h.
4773         * arm.cc: Include gc.h.
4774         * gold.cc: Likewise.
4775         * i386.cc: Likewise.
4776         * powerpc.cc: Likewise.
4777         * sparc.cc: Likewise.
4778         * x86_64.cc: Likewise.
4779         * gc.h: Include icf.h.
4781 2009-10-11  Ian Lance Taylor  <iant@google.com>
4783         * plugin.cc: Include "gold.h" before other header files.
4785 2009-10-10  Chris Demetriou  <cgd@google.com>
4787         * options.h (Input_file_argument::Input_file_type): New enum.
4788         (Input_file_argument::is_lib_): Replace with...
4789         (Input_file_argument::type_): New member.
4790         (Input_file_argument::Input_file_argument): Take Input_file_type
4791         'type' rather than boolean 'is_lib' as second argument.
4792         (Input_file_argument::is_lib): Use type_.
4793         (Input_file_argument::is_searched_file): New function.
4794         (Input_file_argument::may_need_search): Handle is_searched_file.
4795         * options.cc (General_options::parse_library): Support -l:filename.
4796         (General_options::parse_just_symbols): Update for Input_file_argument
4797         changes.
4798         (Command_line::process): Likewise.
4799         * archive.cc (Archive::get_file_and_offset): Likewise.
4800         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4801         * script.cc (read_script_file, script_add_file): Likewise.
4802         * fileread.cc (Input_file::Input_file): Likewise.
4803         (Input_file::will_search_for): Handle is_searched_file.
4804         (Input_file::open): Likewise.
4805         * readsyms.cc (Read_symbols::get_name): Likewise.
4806         * testsuite/Makefile.am (searched_file_test): New test.
4807         * testsuite/Makefile.in: Regenerate.
4808         * testsuite/searched_file_test.cc: New file.
4809         * testsuite/searched_file_test_lib.cc: New file.
4811 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4812             Ian Lance Taylor  <iant@google.com>
4814         * descriptor.cc: Include <cstdio> and "binary-io.h".
4815         (Descriptors::open): Open the files in binary mode always.
4816         * script.cc (Lex::get_token): Treat \r as whitespace.
4818 2009-10-09  Ian Lance Taylor  <iant@google.com>
4820         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4822 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4823             Ian Lance Taylor  <iant@google.com>
4825         * configure.ac: Check for readv function also.
4826         * fileread.cc (readv): Define if not HAVE_READV.
4827         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4828         does not exist.
4829         * config.in: Regenerate.
4830         * configure: Regenerate.
4832 2009-10-09  Doug Kwan  <dougkwan@google.com>
4834         * layout.cc (Layout::make_output_section): Call target hook to make
4835         ordinary output section.
4836         (Layout::finalize): Adjust parameter list of call the
4837         Target::may_relax().
4838         * layout.h (class Layout::section_list): New method.
4839         * merge.h (Output_merge_base::entsize): Change visibility to public.
4840         (Output_merge_base::is_string, Output_merge_base::do_is_string):
4841         New methods.
4842         (Output_merge_string::do_is_string): New method.
4843         * object.cc (Sized_relobj::do_setup): renamed from
4844         Sized_relobj::set_up.
4845         * object.h (Sized_relobj::adjust_shndx,
4846         Sized_relobj::initializ_input_to_output_maps,
4847         Sized_relobj::free_input_to_output_maps): Change visibilities to
4848         protected.
4849         (Sized_relobj::setup): Virtualize.
4850         (Sized_relobj::do_setup): New method declaration.
4851         (Sized_relobj::invalidate_section_offset,
4852         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4853         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4854         * options.cc (parse_int): New function.
4855         * options.h (parse_int): New declaration.
4856         (DEFINE_int): New macro.
4857         (stub_group_size): New option.
4858         * output.cc (Output_section::Output_section): Initialize memebers
4859         merge_section_map_, merge_section_by_properties_map_,
4860         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4861         (Output_section::add_input_section): Handled deferred code-fill
4862         generation and remove an old comment.
4863         (Output_section::add_relaxed_input_section): New method definition.
4864         (Output_section::add_merge_input_section): Use merge section by
4865         properties map to speed to search.  Update merge section maps
4866         as appropriate.
4867         (Output_section::build_relaxation_map): New method definition.
4868         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4869         Same.
4870         (Output_section::relax_input_section): Renamed to
4871         Output_section::convert_input_sections_to_relaxed_sections and change
4872         interface to take a vector of pointers to relaxed sections.
4873         (Output_section::find_merge_section,
4874         Output_section::find_relaxed_input_section): New method definitions.
4875         (Output_section::is_input_address_mapped,
4876         Output_section::output_offset, Output_section::output_address):
4877         Use output section data maps to speed up searching.
4878         (Output_section::find_starting_output_address): Add comments.
4879         (Output_section::do_write,
4880         Output_section::write_to_postprocessing_buffer): Do code-fill
4881         generation as appropriate.
4882         (Output_section::get_input_sections): Invalidate relaxed input section
4883         map.
4884         (Output_section::restore_states): Adjust type of checkpoint .
4885         Invalidate relaxed input section map.
4886         * output.h (Output_merge_base): New class declaration.
4887         (Input_section_specifier): New class defintion.
4888         (class Output_relaxed_input_section) Change base class to
4889         Output_section_data_build.
4890         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4891         base class initializer.
4892         (Output_section::add_relaxed_input_section): New method declaration.
4893         (Output_section::Input_section): Change visibility to protected.
4894         (Output_section::Input_section::relobj,
4895         Output_section::Input_section::shndx): Handle relaxed input sections.
4896         Output_section::input_sections) Change visibility to protected.  Also
4897         define overload to return a non-const pointer.
4898         (Output_section::Merge_section_properties): New class defintion.
4899         (Output_section::Merge_section_by_properties_map,
4900         Output_section::Output_section_data_by_input_section_map,
4901         Output_section::Relaxation_map): New types.
4902         (Output_section::relax_input_section): Rename method to
4903         Output_section::convert_input_sections_to_relaxed_sections and change
4904         interface to take a vector of relaxed section pointers.
4905         (Output_section::find_merge_section,
4906         Output_section::find_relaxed_input_section,
4907         Output_section::build_relaxation_map,
4908         Output_section::convert_input_sections_in_list_to_relaxed_sections):
4909         New method declarations.
4910         (Output_section::merge_section_map_
4911         Output_section::merge_section_by_properties_map_,
4912         Output_section::relaxed_input_section_map_,
4913         Output_section::is_relaxed_input_section_map_valid_,
4914         Output_section::generate_code_fills_at_write_): New data members.
4915         * script-sections.cc
4916         (Output_section_element_input::set_section_addresses): Call
4917         current_data_size and addralign methods of relaxed input sections.
4918         (Orphan_output_section::set_section_addresses): Call current_data_size
4919         and addralign methods of relaxed input sections.
4920         * symtab.cc (Symbol_table::compute_final_value): Extract template
4921         from the body of Symbol_table::sized_finalize_symbol.
4922         (Symbol_table::sized_finalized_symbol): Call
4923         Symbol_table::compute_final_value.
4924         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4925         (Symbol_table::compute_final_value): New templated method declaration.
4926         * target.cc (Target::do_make_output_section): New method defintion.
4927         * target.h (Target::make_output_section): New method declaration.
4928         (Target::relax): Add more parameters for input objects, symbol table
4929         and layout.  Adjust call to do_relax.
4930         (Target::do_make_output_section): New method declaration.
4931         (Target::do_relax): Add parameters for input objects, symbol table
4932         and layout.
4934 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4936         * pread.c: Include stdio.h.
4938 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4940         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4941         defined.
4943 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4945         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4946         Change read_shndx type to unsigned int.
4947         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4948         int.
4949         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4950         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4951         Change read_shndx type to unsigned int.
4952         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4953         int.
4954         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4955         * layout.cc (Layout::create_symtab_sections): Cast the result of
4956         local_symcount * symsize to off_t in the gold_assert.
4958 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4960         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4961         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4962         R_ARM_BASE_ABS.
4963         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4964         (Arm_relocate_functions::thm_abs5): New function.
4965         (Arm_relocate_functions::abs12): New function.
4966         (Arm_relocate_functions::abs16): New function.
4967         (Arm_relocate_functions::base_abs): New function.
4968         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4969         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
4970         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4971         R_ARM_BASE_ABS.
4972         (Scan::global): Likewise.
4973         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4974         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4975         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4976         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4977         R_ARM_BASE_ABS.
4979 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4981         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4982         (Arm_relocate_functions::movt_prel): New function.
4983         (Arm_relocate_functions::thm_movw_prel_nc): New function.
4984         (Arm_relocate_functions::thm_movt_prel): New function.
4985         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4986         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4987         (Scan::global, Relocate::relocate): Likewise.
4988         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4990 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4992         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4993         Incremental_checker.
4994         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4995         unsigned int.
4996         (class Incremental_inputs_header): New class.
4997         (Incremental_inputs_header_writer): Edit comment.
4998         (Incremental_inputs_entry): New class.
4999         (Incremental_inputs_entry_writer): Edit comment.
5000         (Sized_incremental_binary::do_find_incremental_inputs_section):
5001         Add *strtab_shndx parameter, fill it.
5002         (Sized_incremental_binary::do_check_inputs): New method.
5003         (Incremental_checker::can_incrementally_link_output_file): Use
5004         Sized_incremental_binary::check_inputs.
5005         (Incremental_inputs::report_command_line): Save command line in
5006         command_line_.
5007         * incremental.h:
5008         (Incremental_binary::find_incremental_inputs_section): New
5009         method.
5010         (Incremental_binary::do_find_incremental_inputs_section): Add
5011         strtab_shndx parameter.
5012         (Incremental_binary::do_check_inputs): New pure virtual method.
5013         (Sized_incremental_binary::do_check_inputs): Declare.
5014         (Incremental_checker::Incremental_checker): Add incremental_inputs
5015         parameter, use it to initialize incremental_inputs_.
5016         (Incremental_checker::incremental_inputs_): New field.
5017         (Incremental_checker::command_line): New method.
5018         (Incremental_checker::inputs): New method.
5019         (Incremental_checker::command_line_): New field.
5021 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5023         * incremental.cc: Include <cstdarg> and "target-select.h".
5024         (vexplain_no_incremental): New function.
5025         (explain_no_incremental): New function.
5026         (Incremental_binary::error): New method.
5027         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5028         method.
5029         (make_sized_incremental_binary): New function.
5030         (open_incremental_binary): New function.
5031         (can_incrementally_link_file): Add checks if output is ELF and has
5032         inputs section.
5033         * incremental.h: Include "elfcpp_file.h" and "output.h".
5034         (Incremental_binary): New class.
5035         (Sized_incremental_binary): New class.
5036         (open_incremental_binary): Declare.
5037         * object.cc (is_elf_object): Use
5038         elfcpp::Elf_recognizer::is_elf_file.
5039         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5040         * output.h (Output_file::filesize): New method.
5042 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5044         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5045         New function.
5046         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5047         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5048         function.
5049         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5050         function.
5051         (Arm_relocate_functions::movw_abs_nc): New function.
5052         (Arm_relocate_functions::movt_abs): New function.
5053         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5054         (Arm_relocate_functions::thm_movt_abs): New function.
5055         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5056         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5057         (Scan::global): Likewise.
5058         (Relocate::relocate): Likewise.
5059         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5061 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5063         * arm.cc (Arm_relocate_functions::got_prel) New function.
5064         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5065         (Relocate::relocate): Likewise.
5066         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5068 2009-10-06  Ian Lance Taylor  <iant@google.com>
5070         * options.h (class General_options): Define
5071         split_stack_adjust_size parameter.
5072         * object.h (class Object): Add uses_split_stack_ and
5073         has_no_split_stack_ fields.  Add uses_split_stack and
5074         has_no_split_stack accessor functions.  Declare
5075         handle_split_stack_section.
5076         (class Reloc_symbol_changes): Define.
5077         (class Sized_relobj): Define Function_offsets.  Declare
5078         split_stack_adjust, split_stack_adjust_reltype, and
5079         find_functions.
5080         * object.cc (Object::handle_split_stack_section): New function.
5081         (Sized_relobj::do_layout): Call handle_split_stack_section.
5082         * dynobj.cc (Sized_dynobj::do_layout): Call
5083         handle_split_stack_section.
5084         * reloc.cc (Sized_relobj::relocate_sections): Call
5085         split_stack_adjust for executable sections in split_stack
5086         objects.  Pass reloc_map to relocate_section.
5087         (Sized_relobj::split_stack_adjust): New function.
5088         (Sized_relobj::split_stack_adjust_reltype): New function.
5089         (Sized_relobj::find_functions): New function.
5090         * target-reloc.h: Include "object.h".
5091         (relocate_section): Add reloc_symbol_changes parameter.  Change
5092         all callers.
5093         * target.h (class Target): Add calls_non_split method.  Declare
5094         do_calls_non_split virtual method.  Declare match_view and
5095         set_view_to_nop.
5096         * target.cc: Include "elfcpp.h".
5097         (Target::do_calls_non_split): New function.
5098         (Target::match_view): New function.
5099         (Target::set_view_to_nop): New function.
5100         * gold.cc (queue_middle_tasks): Give an error if mixing
5101         split-stack and non-split-stack objects with -r.
5102         * i386.cc (Target_i386::relocate_section): Add
5103         reloc_symbol_changes parameter.
5104         (Target_i386::do_calls_non_split): New function.
5105         * x86_64.cc (Target_x86_64::relocate_section): Add
5106         reloc_symbol_changes parameter.
5107         (Target_x86_64::do_calls_non_split): New function.
5108         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5109         parameter.
5110         * powerpc.cc (Target_powerpc::relocate_section): Add
5111         reloc_symbol_changes parameter.
5112         * sparc.cc (Target_sparc::relocate_section): Add
5113         reloc_symbol_changes parameter.
5114         * configure.ac: Call AM_CONDITIONAL for the default target.
5115         * configure: Rebuild.
5116         * testsuite/Makefile.am (TEST_AS): New variable.
5117         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5118         (check_DATA): Add split_i386 and split_x86_64 files.
5119         (SPLIT_DEFSYMS): Define.
5120         (split_i386_[1234n].o): New targets.
5121         (split_i386_[124]): New targets.
5122         (split_i386_[1234r].stdout): New targets.
5123         (split_x86_64_[1234n].o): New targets.
5124         (split_x86_64_[124]): New targets.
5125         (split_x86_64_[1234r].stdout): New targets.
5126         (MOSTLYCLEANFILES): Add new executables.
5127         * testsuite/split_i386.sh: New file.
5128         * testsuite/split_x86_64.sh: New file.
5129         * testsuite/split_i386_1.s: New file.
5130         * testsuite/split_i386_2.s: New file.
5131         * testsuite/split_i386_3.s: New file.
5132         * testsuite/split_i386_4.s: New file.
5133         * testsuite/split_i386_n.s: New file.
5134         * testsuite/split_x86_64_1.s: New file.
5135         * testsuite/split_x86_64_2.s: New file.
5136         * testsuite/split_x86_64_3.s: New file.
5137         * testsuite/split_x86_64_4.s: New file.
5138         * testsuite/split_x86_64_n.s: New file.
5139         * testsuite/testfile.cc (Target_test): Update relocation_section
5140         function.
5141         * testsuite/Makefile.in: Rebuild.
5143 2009-10-06  Ian Lance Taylor  <iant@google.com>
5145         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5146         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5147         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5148         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5149         the address on ldo_addrs_.
5150         (Target_i386::Relocate::fix_up_ldo): New function.
5152 2009-10-06   Rafael Espindola  <espindola@google.com>
5154         * plugin.cc (add_input_library): New.
5155         (Plugin::load): Add add_input_library to tv.
5156         (Plugin_manager::add_input_file): Add the is_lib argument.
5157         (add_input_file): Update call to Plugin_manager::add_input_file.
5158         (add_input_library): New.
5159         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5161 2009-09-30  Doug Kwan  <dougkwan@google.com>
5163         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5164         symbol and call Symbol::may_need_copy_reloc to determine if
5165         a copy reloc is needed.
5166         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5167         nocopyreloc is given in command line.
5168         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5169         given in command line.
5170         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5171         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5172         of the removed Target_i386::may_need_copy_reloc.
5173         * options.h (copyreloc): New option with default value false.
5174         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5175         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5176         instead of the removed Target_powerpc::may_need_copy_reloc.
5177         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5178         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5179         instead of the removed Target_sparc::may_need_copy_reloc.
5180         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5181         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5182         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5183         instead of the removed Target_x86_64::may_need_copy_reloc.
5185 2009-09-30  Ian Lance Taylor  <iant@google.com>
5187         * object.h (class Object): Remove target_ field, and target,
5188         sized_target, and set_target methods.
5189         (Object::sized_target): Remove.
5190         (class Sized_relobj): Update declarations.  Remove sized_target.
5191         * object.cc (Sized_relobj::setup): Remove target parameter.
5192         Change all callers.
5193         (Input_objects::add_object): Don't do anything with the target.
5194         (make_elf_sized_object): Add punconfigured parameter.  Change all
5195         callers.  Set or test parameter target.
5196         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5197         Change all callers.
5198         * parameters.cc (Parameters::set_target): Change parameter type to
5199         be non-const.
5200         (Parameters::default_target): Remove.
5201         (set_parameters_target): Change parameter type to be non-const.
5202         (parameters_force_valid_target): New function.
5203         (parameters_clear_target): New function.
5204         * parameters.h (class Parameters): Update declarations.  Remove
5205         default_target method.  Add sized_target and clear_target
5206         methods.  Change target_ to be non-const.
5207         (set_parameters_target): Update declaration.
5208         (parameters_force_valid_target): Declare.
5209         (parameters_clear_target): Declare.
5210         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5211         as NULL if we aren't searching.
5212         (Add_symbols::run): Don't check for compatible target.
5213         * fileread.cc (Input_file::open_binary): Call
5214         parameters_force_valid_target.
5215         * gold.cc (queue_middle_tasks): Likewise.
5216         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5217         set_target on object.
5218         * dynobj.h (class Sized_dynobj): Update declarations.
5219         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5220         make_elf_object returns NULL.
5221         (Archive::include_member): Don't check whether object target is
5222         compatible.
5223         * output.cc (Output_section::add_input_section): Get target from
5224         parameters.
5225         (Output_section::relax_input_section): Likewise.
5226         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5227         parameters.
5228         (Sized_relobj::do_scan_relocs): Likewise.
5229         (Sized_relobj::relocate_sections): Likewise.
5230         * resolve.cc (Symbol_table::resolve): Likewise.
5231         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5232         parameter.  Change all callers.
5233         (Symbol_table::add_from_object): Get target from parameters.
5234         (Symbol_table::add_from_relobj): Don't check object target.
5235         (Symbol_table::add_from_dynobj): Likewise.
5236         (Symbol_table::define_special_symbol): Get target from
5237         parameters.
5238         * symtab.h (class Symbol_table): Update declaration.
5239         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5240         parameter.  Change all callers.  Clear parameter target.
5241         (Binary_test): Test target here.
5242         * testsuite/object_unittest.cc (gold_testsuite): Remove
5243         target_test_pointer parameter.  Change all callers.
5244         (Object_test): Test target here.
5246 2009-09-26  Ian Lance Taylor  <iant@google.com>
5248         * testsuite/initpri1.c: Don't try to use constructor priorities if
5249         compiling with gcc before 4.3.
5251 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5253         * testsuite/retain_symbols_file_test.sh (check_present): Change
5254         output file name to retain_symbols_file_test.stdout.
5255         (check_absent): Likewise.
5257 2009-09-18  Craig Silverstein  <csilvers@google.com>
5259         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5260         * options.cc: Include <cerrno> and <fstream>.
5261         (General_options::finalize): Parse -retain-symbols-file tag.
5262         * options.h: New flag.
5263         (General_options): New method should_retain_symbol, new
5264         variable symbols_to_retain.
5265         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5266         should_retain_symbol map.
5267         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5268         * testsuite/Makefile.in: Regenerate.
5269         * testsuite/retain_symbols_file_test.sh: New file.
5271 2009-09-18  Nick Clifton  <nickc@redhat.com>
5273         * po/es.po: Updated Spanish translation.
5275 2009-09-17  Doug Kwan  <dougkwan@google.com>
5277         * debug.h (DEBUG_RELAXATION): New constant.
5278         (DEBUG_ALL): Add DEBUG_RELAXATION.
5279         (debug_string_to_enum): Add relaxation debug option.
5280         * layout.cc
5281         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5282         Layout::Relaxation_debug_check::read_sections,
5283         Layout::Relaxation_debug_check::read_sections): New method definitions.
5284         (Layout::Layout): Initialize data members
5285         record_output_section_data_from_scrips_,
5286         script_output_section_data_list_ and relaxation_debug_check_.
5287         (Layout::save_segments, Layout::restore_segments,
5288         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5289         Layout::relaxation_loop_body): New method definitions.
5290         (Layout::finalize): Support relaxation.  Move section layout code to
5291         Layout::relaxation_loop_body.
5292         (Layout::set_asection_address_from_script): Move code for orphan
5293         section placement out.
5294         (Layout::place_orphan_sections_in_script): New method definition.
5295         * layout.h (Output_segment_headers, Output_file_header):
5296         New forward class declarations.
5297         (Layout::~Layout): Define.
5298         (Layout::new_output_section_data_from_script): New method definition.
5299         (Layout::place_orphan_sections_in_script): New method declaration.
5300         (Layout::Segment_states): New type declaration.
5301         (Layout::save_segments, Layout::restore_segments,
5302         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5303         Layout::relaxation_loop_body): New method declarations.
5304         (Layout::Output_section_data_list): New type declaration.
5305         (Layout::Relaxation_debug_check): New class definition.
5306         (Layout::record_output_section_data_from_script_,
5307         Layout::script_output_section_data_list_, Layout::segment_states_,
5308         Layout::relaxation_debug_check_): New data members.
5309         * output.cc: (Output_section_headers::do_size): New method definition.
5310         (Output_section_headers::Output_section_headers): Move size
5311         computation to Output_section_headers::do_size.
5312         (Output_segment_headers::do_size): New method definition.
5313         (Output_file_header::Output_file_header): Move size computation to
5314         Output_file_header::do_size and call it.
5315         (Output_file_header::do_size): New method definition.
5316         (Output_data_group::Output_data_group): Adjust call to
5317         Output_section_data.
5318         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5319         (Output_symtab_xindex::do_write): Add array bound check.
5320         (Output_section::Input_section::print_to_mapfile): Handle
5321         RELAXED_INPUT_SECTION_CODE.
5322         (Output_section::Output_section): Initialize data member checkpoint_.
5323         (Output_section::~Output_section): Delete checkpoint object pointed
5324         by checkpoint_.
5325         (Output_section::add_input_section): Always add an Input_section if
5326         relaxing.
5327         (Output_section::add_merge_input_section): Add assert.
5328         (Output_section::relax_input_section): New method definition.
5329         (Output_section::set_final_data_size): Set load address to zero for
5330         an unallocated section.
5331         (Output_section::do_address_and_file_offset_have_reset_values):
5332         New method definition.
5333         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5334         Handle relaxed input section.
5335         (Output_section::sort_attached_input_sections): Checkpoint input
5336         section list lazily.
5337         (Output_section::get_input_sections): Change type of input_sections to
5338         list of Simple_input_section pointers.  Checkpoint input section list
5339         lazily.  Also handle relaxed input sections.
5340         (Output_section::add_input_section_for_script): Take a reference to
5341         a Simple_input_section object instead of Relobj pointer and section
5342         index as parameter.  Handle relaxed input sections.
5343         (Output_section::save_states, Output_section::restore_states): New
5344         method definitions.
5345         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5346         (Output_data::is_data_size_fixed): New method definition.
5347         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5348         if it is fixed.
5349         (Output_data::address_and_file_offset_have_reset_values): New method
5350         definition.
5351         (Output_data::do_address_and_file_offset_have_reset_values): New method
5352         definition.
5353         (Output_data::set_data_size): Check that data size is not fixed.
5354         (Output_data::fix_data_size): New method definition.
5355         (Output_data::is_data_size_fixed_): New data member.
5356         (Output_section_headers::set_final_data_size): New method definition.
5357         (Output_section_headers::do_size): New method declaration.
5358         (Output_segment_headers::set_final_data_size): New method definition.
5359         (Output_segment_headers::do_size): New method declaration.
5360         (Output_file_header::set_final_data_size)::New method definition.
5361         (Output_file_header::do_size)::New method declaration.
5362         (Output_section_data::Output_section_data): Add new parameter
5363         is_data_size_fixed and use it to fix data size.
5364         (Output_data_const::Output_data_const): Adjust call to base class
5365         constructor and fix data size.
5366         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5367         base class constructor and fix data size.
5368         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5369         base class constructor and fix data size.
5370         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5371         class constructor and fix data size.
5372         (Output_data_group::set_final_data_size): New method definition.
5373         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5374         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5375         class constructor and fix data size.
5376         (Output_relaxed_input_section): New class definition.
5377         (Output_section::Simple_input_section): New class definition.
5378         (Output_section::get_input_sections): Adjust parameter list.
5379         (Output_section::add_input_section_for_script): Same.
5380         (Output_section::save_states, Output_section::restore_states,
5381         Output_section::do_address_and_file_offset_have_reset_values,
5382         (Output_section::Input_section::Input_section): Handle
5383         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5384         Output_relaxed_input_section.
5385         (Output_section::Input_section::is_input_section,
5386         Output_section::Input_section::set_output_section): Handle relaxed
5387         input section.
5388         (Output_section::Input_section::is_relaxed_input_section,
5389         Output_section::Input_section::output_section_data,
5390         Output_section::Input_section::relaxed_input_section): New method
5391         definitions.
5392         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5393         value.
5394         (Output_section::Input_section::u1_): Update comments.
5395         (Output_section::Input_section::u2_): Add new union member poris.
5396         (Output_section::Checkpoint_output_section): New classs definition.
5397         (Output_section::relax_input_section): New method declaration.
5398         (Output_section::checkpoint_): New data member.
5399         (Output_segment): Update comments.
5400         (Output_segment::Output_segment): Un-privatize copy constructor.
5401         (Output_segment::operator=): Un-privatize.
5402         * script-sections.cc (Output_section_element::Input_section_list):
5403         Change element type to Output_section::Simple_input_section.
5404         (Output_section_element_dot_assignment::set_section_addresses):
5405         Register output section data for relaxation clean up.
5406         (Output_data_exression::Output_data_expression): Adjust call to base
5407         constructor to fix data size.
5408         (Output_section_element_data::set_section_addresses): Register
5409         Output_data_expression object for relaxation clean up.
5410         (struct Input_section_info): Replace Relobj pointer and section index
5411         pair with Output_section::Simple_input_section and Convert struct to a
5412         class.
5413         (Input_section_sorter::operator()): Adjust access to
5414         Input_section_info data member to use accessors.
5415         (Output_section_element_input::set_section_addresses): Use layout
5416         parameter.  Adjust code to use Output_section::Simple_input_section
5417         and Input_secction_info classes.  Register filler for relaxation
5418         clean up.
5419         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5420         and section index pair with Output_section::Simple_input_section
5421         class.  Adjust code accordingly.
5422         (Phdrs_element::release_segment): New method definition.
5423         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5424         segment list.
5425         (Script_sections::release_segments): New method definition.
5426         * gold/script-sections.h (Script_sections::release_segments): New
5427         method declaration.
5428         * gold/target.h (Target::may_relax, Target::relax,
5429         Target::do_may_relax, Target::do_relax): New method definitions.
5431 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5433         * arm.cc (has_signed_unsigned_overflow): New function.
5434         (Arm_relocate_functions::abs8): New function.
5435         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5436         (Target_arm::Scan::global): Likewise.
5437         (Target_arm::relocate::relocate): Likewise.
5438         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5439         Likewise.
5441 2009-09-16  Cary Coutant  <ccoutant@google.com>
5443         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5444         * testsuite/Makefile.in: Regenerate.
5446 2009-09-11  Nick Clifton  <nickc@redhat.com>
5448         * po/gold.pot: Updated by the Translation project.
5450 2009-09-08  Cary Coutant  <ccoutant@google.com>
5452         * output.cc (Output_file::open): Add execute permission to empty file.
5453         * testsuite/Makefile.am (permission_test): New test.
5454         * testsuite/Makefile.in: Regenerate.
5456 2009-09-02  Ian Lance Taylor  <iant@google.com>
5458         * output.cc (Output_file::resize): Call map_no_anonymous rather
5459         than map.
5461 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5463         * gold.cc: Include "incremental.h".
5464         (queue_initial_tasks): Call Incremental_checker methods.
5465         * incremental.cc: Include "output.h".
5466         (Incremental_checker::can_incrementally_link_output_file): New
5467         method.
5468         * incremental.h (Incremental_checker): New class.
5470         * output.cc (Output_file::open_for_modification): New method.
5471         (Output_file::map_anonymous): Changed return type to bool.  Record
5472         map in base_ field.
5473         (Output_file::map_no_anonymous): New method, broken out of map.
5474         (Output_file::map): Use map_no_anonymous and map_anonymous.
5475         * output.h (class Output_file): Update declarations.
5477 2009-08-24  Cary Coutant  <ccoutant@google.com>
5479         * options.h (Command_line::Pre_options): New class.
5480         (Command_line::pre_options): New member.
5481         * options.cc (gold::options::ready_to_register): New variable.
5482         (One_option::register_option): Do nothing if not registering options.
5483         Assert if same short option registered twice.
5484         (General_options::General_options): Turn off option registration when
5485         done constructing.
5486         (Command_line::Pre_options::Pre_options): New constructor.
5488 2009-08-24  Cary Coutant  <ccoutant@google.com>
5490         * options.h (General_options::no_keep_memory): Remove incorrect
5491         short option.
5493 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5495         * Makefile.am (am__skiplex, am__skipyacc): New.
5496         * Makefile.in: Regenerate.
5498 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5500         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5501         (INCLUDES): ... this.
5502         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5503         (AM_CPPFLAGS): Renamed from ...
5504         (INCLUDE): ... this.
5505         * Makefile.in, testsuite/Makefile.in: Regenerate.
5507         * Makefile.in: Regenerate.
5508         * aclocal.m4: Likewise.
5509         * config.in: Likewise.
5510         * configure: Likewise.
5511         * testsuite/Makefile.in: Likewise.
5513         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5514         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5515         * Makefile.in: Regenerate.
5516         * testsuite/Makefile.in: Regenerate.
5518 2009-08-19  Cary Coutant  <ccoutant@google.com>
5520         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5521         symbols in shared libraries overridden by hidden or internal symbols
5522         in the main program.
5524 2009-08-19  Chris Demetriou  <cgd@google.com>
5526         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5527         checking source file names in error messages.
5529 2009-08-18  Doug Kwan  <dougkwan@google.com>
5531         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5532         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5533         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5534         an elfcpp::Ehdr as parameter.
5535         * object.cc (Object::set_target): Remove the version that looks up
5536         a target and sets it.
5537         (Sized_relobj::setup): Take a Target object instead of
5538         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5539         (make_elf_sized_object): Find target and ask target to
5540         make an ELF object.
5541         * object.h: (Object::set_target): Remove the version that looks up
5542         a target and sets it.
5543         (Sized_relobj::setup): Take a Target object instead of
5544         an elfcpp:Ehdr as parameter.
5545         * target.cc: Include dynobj.h.
5546         (Target::do_make_elf_object_implementation): New.
5547         (Target::do_make_elf_object): New.
5548         * target.h (Target::make_elf_object): New template declaration.
5549         (Target::do_make_elf_object): New method declarations.
5550         (Target::do_make_elf_object_implementation): New template declaration.
5552 2009-08-14  Ian Lance Taylor  <iant@google.com>
5554         * gold.h (FUNCTION_NAME): Define.
5555         (gold_unreachable): Use FUNCTION_NAME.
5557 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5559         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5560         symbol in the --keep-unique list is not found.
5562 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5564         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5565         been maked as --keep-unique.
5566         (Icf::unfold_section): New function.
5567         * icf.h (Icf::unfold_section): New function.
5568         * options.h (General_options::keep_unique): New option.
5569         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5570         * testsuite/Makefile.in: Regenerate.
5571         * testsuite/icf_keep_unique_test.sh: New file.
5572         * testsuite/icf_keep_unique_test.cc: New file.
5574 2009-08-12  Cary Coutant  <ccoutant@google.com>
5576         PR 10471
5577         * resolve.cc (Symbol_table::resolve): Check for references from
5578         dynamic objects to hidden and internal symbols.
5579         * testsuite/Makefile.am (hidden_test.sh): New test.
5580         * testsuite/Makefile.in: Regenerate.
5581         * testsuite/hidden_test.sh: New script.
5582         * testsuite/hidden_test_1.c: New test source.
5583         * testsuite/hidden_test_main.c: New test source.
5585 2009-08-11  Doug Kwan  <dougkwan@google.com>
5587         * arm.cc: Update comments.
5588         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5589         segment to locate the .ARM.exidx section if present.
5591 2009-08-09  Doug Kwan  <dougkwan@google.com>
5593         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5594         patch.
5596 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5597         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5598         compiler warnings.
5600 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5602         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5603         valid tls_segment only for non-debug-section relocations.
5604         * testsuite/Makefile.am: Add gc_tls_test.
5605         * testsuite/Makefile.in: Regenerate.
5606         * testsuite/gc_tls_test.cc: New file.
5607         * testsuite/gc_tls_test.sh: New file.
5609 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5611         * icf.cc: New file.
5612         * icf.h: New file.
5613         * Makefile.am (CCFILES): Add icf.cc.
5614         (HFILES): Add icf.h
5615         * Makefile.in: Regenerate.
5616         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5617         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5618         section, symbol and addend information for the relocs.
5619         * gold.cc (queue_middle_tasks): Call identical code folding.
5620         * gold.h: Add defines for multimap.
5621         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5622         to the call of finalize_local_symbols.
5623         * main.cc (main): Create object of class Icf.
5624         * object.cc (Sized_relobj::do_layout): Allow this function to be
5625         called twice during icf.
5626         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5627         to sections marked as identical by icf.
5628         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5629         when available.
5630         (Sized_relobj::do_section_entsize): New function.
5631         * object.h (Object::section_entsize): New function.
5632         (Object::do_section_entsize): New pure virtual function.
5633         (Relobj::finalize_local_symbols): Add new parameter.
5634         (Relobj::do_section_entsize): New function.
5635         * options.h (General_options::icf): New option.
5636         (General_options::icf_iterations): New option.
5637         (General_options::print_icf_sections): New option.
5638         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5639         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5640         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5641         icf.
5642         * symtab.cc (Symbol_table::is_section_folded): New function.
5643         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5644         to sections marked as identical by icf.
5645         * symtab.h (Symbol_table::set_icf): New function.
5646         (Symbol_table::icf): New function.
5647         (Symbol_table::is_section_folded): New function.
5648         (Symbol_table::icf_): New data member.
5649         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5650         * testsuite/Makefile.am: Add commands to build icf_test.
5651         * testsuite/Makefile.in: Regenerate.
5652         * testsuite/icf_test.sh: New file.
5653         * testsuite/icf_test.cc: New file.
5655 2009-07-24  Chris Demetriou  <cgd@google.com>
5657         * layout.cc (is_compressible_debug_section): Fix incorrect
5658         comment about compressed section names.
5660 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5662         PR 10419
5663         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5665 2009-07-16  Ian Lance Taylor  <iant@google.com>
5667         PR 10400
5668         * layout.h: #include <map>.
5669         (class Kept_section): Change from struct to class.  Add accessors
5670         and setters.  Add section size to Comdat_group mapping.  Change
5671         Comdat_group to std::map.  Add is_comdat_ field.  Add
5672         linkonce_size field in union.
5673         (class Layout): Update declaration of find_or_add_kept_section.
5674         Don't declare find_kept_object.
5675         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5676         parameter.  Add object, shndx, is_comdat, and is_group_name
5677         parameters.  Change all callers.  Adjust for new Kept_section.
5678         (Layout::find_kept_object): Remove.
5679         * object.cc (Sized_relobj::include_section_group): Update use of
5680         Kept_section.  Rename secnum to shndx.  Only record
5681         Kept_comdat_section if sections are the same size.
5682         (Sized_relobj::include_linkonce_section): Update use of
5683         Kept_section.  Only record Kept_comdat_section if sections are the
5684         same size.  Set size of linkonce section.
5685         (Sized_relobj::map_to_kept_section): Update call to
5686         get_kept_comdat_section.
5687         * object.h (class Sized_relobj): Rename fields in
5688         Kept_comdat_section to drop trailing underscores; change object
5689         field to Relobj*.  Change Kept_comdat_section_table to store
5690         struct rather than pointer.
5691         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5692         Add kept_object and kept_shndx parameters.  Change all callers.
5693         (Sized_relobj::get_kept_comdat_section): Change return type to
5694         bool.  Add kept_object and kept_shndx parameters.  Change all
5695         callers.
5696         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5697         Layout::find_or_add_kept_section.
5699 2009-07-09  Ian Lance Taylor  <iant@google.com>
5701         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5702         Reserve space in the hash table.
5704 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5706         * fileread.cc (File_read::get_mtime): New method.
5707         * fileread.h (Timespec): New structure.
5708         (File_read::get_mtime): New method.
5709         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5710         Renamed from timestamp_nsec.
5711         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5712         Elf_Xword.
5713         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5714         timestamp_nsec.
5715         (Incremental_inputs::report_archive): Save mtime; style fix.
5716         (Incremental_inputs::report_obejct): Save mtime; style fix.
5717         (Incremental_inputs::report_script): Save mtime; style fix.
5718         (Incremental_inputs::finalize_inputs): Style fix.
5719         (Incremental_inputs::finalize): Style fix.
5720         (Incremental_inputs::create_input_section_data): Store inputs
5721         mtime.
5722         * incremental.h (Incremental_inputs::report_script): Add mtime
5723         argument.
5724         (Incremental_inputs::Input_info::Input_info): Intialize only one
5725         union member.
5726         (Incremental_inputs::Input_info::archive): Move to nameless
5727         union.
5728         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5729         (Incremental_inputs::Input_info::script): Move to nameless union.
5730         (Incremental_inputs::mtime): New field.
5731         * script.cc (read_input_script): Pass file mtime to
5732         Incremental_input.
5733         * script.h (Script_info::inputs): Style fix.
5735 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5737         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5738         instead of 32.
5740 2009-06-24  Ian Lance Taylor  <iant@google.com>
5742         PR 10156
5743         * layout.cc (Layout::choose_output_section): If we find an
5744         existing section, update the flags.
5745         (Layout::create_notes): New function, broken out of
5746         Layout::finalize.
5747         (Layout::finalize): Don't create note sections.
5748         (Layout::create_note): Don't crash if linker script discards
5749         section.
5750         (Layout::create_gold_note): Likewise.
5751         (Layout::create_build_id): Likewise.  Don't set
5752         after_input_sections on the section.
5753         (Layout::create_executable_stack_info): Remove target parameter.
5754         Change caller.
5755         * layout.h (class Layout): Declare create_notes.  Update
5756         declaration of create_executable_stack_info.
5757         * gold.cc (queue_middle_tasks): Call create_notes.
5758         * output.cc (Output_section::update_flags_for_input_section): Move
5759         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5760         invalid.
5761         * output.h (Output_data::mark_address_invalid): New function.
5762         (class Output_section): Only declare, not define,
5763         update_flags_for_input_section.  Remove set_flags.
5765 2009-06-24  Ian Lance Taylor  <iant@google.com>
5767         * script-sections.cc (Output_section_definition::
5768         set_section_addresses): Rename shadowing local load_address to
5769         laddr.
5771 2009-06-24  Ian Lance Taylor  <iant@google.com>
5773         PR 10244
5774         * reloc.cc (relocate_sections): Skip empty relocation sections.
5776 2009-06-23  Ian Lance Taylor  <iant@google.com>
5778         PR 10156
5779         * layout.cc (Layout::create_note): Use choose_output_section
5780         rather than make_output_section.
5782 2009-06-23  Ian Lance Taylor  <iant@google.com>
5784         PR 10237
5785         * options.cc (General_options::parse_V): Set printed_version_.
5786         (General_options::General_options): Initialize printed_version_.
5787         * options.h (class General_options): Add printed_version_ field.
5788         * gold.cc (queue_initial_tasks): If there are no input files,
5789         don't give a fatal error if we printed the version information.
5790         (queue_middle_tasks): If using -r with a shared object, give a
5791         fatal error rather than an ordinary error.
5793 2009-06-23  Ian Lance Taylor  <iant@google.com>
5795         PR 10219
5796         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5797         (Layout::make_output_section): Set have_stabstr_section_ if we see
5798         a .stab*str section.
5799         (Layout::finalize): Call link_stabs_sections.
5800         (Layout::link_stabs_sections): New file.
5801         * layout.h (class Layout): Add have_stabstr_section_ field.
5802         Declare link_stabs_sections.
5804 2009-06-23  Doug Kwan  <dougkwan@google.com>
5806         * Makefile.am (libgold_a_LIBADD): New.
5807         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5808         * Makefile.in: Regenerate.
5809         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5810         * configure: Regenerate.
5811         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5812         * fileread.cc: Include sys/state.h
5813         * gold.h: Declare memmem and strndup if found missing.
5814         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5816 2009-06-23  Ian Lance Taylor  <iant@google.com>
5818         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5819         * configure: Rebuild.
5821 2009-06-23  Ian Lance Taylor  <iant@google.com>
5823         PR 10147
5824         * object.cc (Object::section_contents): Don't try to get a view if
5825         the section has length zero.
5826         (Object::handle_gnu_warning_section): If the section is empty, use
5827         the name of the section as the warning.
5829 2009-06-23  Ian Lance Taylor  <iant@google.com>
5831         PR 10133
5832         * stringpool.h (class Stringpool_template): Add optimize_ field.
5833         (Stringpool_template::set_optimize): New function.
5834         * stringpool.cc (Stringpool_template::Stringpool_template):
5835         Initialize optimize_ field.
5836         (Stringpool_template::set_string_offsets): Test local optimize
5837         fild rather than parameter.
5838         * layout.cc (Layout::Layout): Call set_optimize on the section
5839         name stringpool.
5841 2009-06-22  Ian Lance Taylor  <iant@google.com>
5843         PR 10030
5844         * yyscript.y: Parse TARGET.
5845         * script.cc (script_set_target): New function.
5846         * script-c.h (script_set_target): Declare.
5847         * options.cc (General_options::string_to_object_format): Rename
5848         from string_to_object_format in anonymous namespace.  Change
5849         callers.
5850         * options.h (class General_options): Declare
5851         string_to_object_format.
5853 2009-06-22  Ian Lance Taylor  <iant@google.com>
5855         * script-sections.cc (Script_sections::create_segments): Don't put
5856         program headers in a PT_LOAD segment if -n or -N.
5858 2009-06-22  Ian Lance Taylor  <iant@google.com>
5860         PR 10141
5861         * options.h (class General_options): Add -z lazy and -z now.  Sort
5862         -z options into alphabetical order.
5863         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5865 2009-06-21  Ian Lance Taylor  <iant@google.com>
5867         * layout.cc (Layout::make_output_section): Call
5868         Target::new_output_section.
5869         (Layout::attach_allocated_section_to_segment): Put large section
5870         sections in a separate load segment with the large segment flag
5871         set.
5872         (Layout::segment_precedes): Sort large data segments after other
5873         load segments.
5874         (align_file_offset): New static function.
5875         (Layout::set_segment_offsets): Use align_file_offset.
5876         * output.h (class Output_section): Add is_small_section_ and
5877         is_large_section_ fields.
5878         (Output_section::is_small_section): New function.
5879         (Output_section::set_is_small_section):  New function.
5880         (Output_section::is_large_section): New function.
5881         (Output_section::set_is_large_section): New function.
5882         (Output_section::is_large_data_section): New function.
5883         (class Output_segment): Add is_large_data_segment_ field.
5884         (Output_segment::is_large_data_segment): New function.
5885         (Output_segment::set_is_large_data_segment): New function.
5886         * output.cc (Output_section::Output_section): Initialize new
5887         fields.
5888         (Output_segment::Output_segment): Likewise.
5889         (Output_segment::add_output_section): Add assertion that large
5890         data sections always go in large data segments.  Force small data
5891         sections to the end of the list of data sections.  Force small BSS
5892         sections to the start of the list of BSS sections.  For large BSS
5893         sections to the end of the list of BSS sections.
5894         * symtab.h (class Symbol): Declare is_common_shndx.
5895         (Symbol::is_defined): Check Symbol::is_common_shndx.
5896         (Symbol::is_common): Likewise.
5897         (class Symbol_table): Define enum Commons_section_type.  Update
5898         declarations.  Add small_commons_ and large_commons_ fields.
5899         * symtab.cc (Symbol::is_common_shndx): New function.
5900         (Symbol_table::Symbol_table): Initialize new fields.
5901         (Symbol_table::add_from_object): Put small and large common
5902         symbols in the right list.
5903         (Symbol_table::sized_finalized_symbol): Check
5904         Symbol::is_common_shndx.
5905         (Symbol_table::sized_write_globals): Likewise.
5906         * common.cc (Symbol_table::do_allocate_commons): Allocate new
5907         common symbol lists.  Don't call do_allocate_commons_list if the
5908         list is empty.
5909         (Symbol_table::do_allocate_commons_list): Remove is_tls
5910         parameter.  Add comons_section_type parameter.  Change all
5911         callers.  Handle small and large common symbols.
5912         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5913         Symbol::is_common_shndx.
5914         * resolve.cc (symbol_to_bits): Likewise.
5915         * target.h (Target::small_common_shndx): New function.
5916         (Target::small_common_section_flags): New function.
5917         (Target::large_common_shndx): New function.
5918         (Target::large_common_section_flags): New function.
5919         (Target::new_output_section): New function.
5920         (Target::Target_info): Add small_common_shndx, large_common_shndx,
5921         small_common_section_flags, and large_common_section_flags
5922         fields.
5923         (Target::do_new_output_section): New virtual function.
5924         * arm.cc (Target_arm::arm_info): Initialize new fields.
5925         * i386.cc (Target_i386::i386_info): Likewise.
5926         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5927         Likewise.
5928         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5929         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5930         (Target_x86_64::do_new_output_section): New function.
5931         * configure.ac: Define conditional MCMODEL_MEDIUM.
5932         * testsuite/Makefile.am (check_PROGRAMS): Add large.
5933         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5934         (large_LDFLAGS): Define.
5935         * testsuite/large.c: New file.
5936         * testsuite/testfile.cc (Target_test::test_target_info):
5937         Initialize new fields.
5938         * configure, testsuite/Makefile.in: Rebuild.
5940 2009-06-05  Doug Kwan  <dougkwan@google.com>
5942         * Makefile.am (CCFILES): Add target.cc.
5943         * Makefile.in: Regenerate.
5944         * i386.cc (class Target_i386): Define new virtual method to
5945         override do_is_local_label_name in parent.
5946         * object.cc (Sized_relobj::do_count_local_symbols): Discard
5947         local symbols if --discard-locals or -X is given.
5948         * options.h (class General_options): Declare new options
5949         '--discard-locals' and '-X' for discarding locals.
5950         * target.h (class Target): Define new methods is_local_label_name.
5951         Declare new virtual method do_is_local_label_name.
5952         * target.cc: New file.
5953         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5954         (check_SCRIPTS): Add discard_locals_test.sh.
5955         (check_DATA): Add discard_local_tests.syms.
5956         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5957         (discard_local_tests.syms, discard_locals_test.o): New make rules.
5958         * testsuite/Makefile.in: Regenerate.
5959         * testsuite/discard_locals_test.c: New file.
5960         * testsuite/discard_locals_test.sh: Same.
5962 2009-06-05  Doug Kwan  <dougkwan@google.com>
5964         * object.cc (Sized_relobj::Sized_relobj): Initialize
5965         discarded_eh_frame_shndx_ to -1U.
5966         (Sized_relobj::do_layout): Record index of a discard .eh_frame
5967         section.
5968         (Sized_relobj::do_count_local_symbols): Skip local symbols in
5969         a discarded .eh_frame section.
5970         (Sized_relobj::do_finalize_local_symbols): Ditto.
5971         * object.h (class Sized_relobj): Declare new member
5972         discarded_eh_frame_shndx_.
5973         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5974         (local_labels_test.o, local_labels_test): New rules.
5975         * testsuite/Makefile.in: Regenerate.
5977 2009-06-04  Doug Kwan  <dougkwan@google.com>
5979         * layout.cc (Layout::section_name_mapping): Add mapping for
5980         special ARM sections.
5982 2009-06-03  Doug Kwan  <dougkwan@google.com>
5984         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5985         (utils::has_overflow): Same.
5987 2009-06-03  Ian Lance Taylor  <iant@google.com>
5989         * layout.cc (Layout::section_name_mapping): New array, replacing
5990         Layout::linkonce_mapping.
5991         (Layout::section_name_mapping_count): New variable, replacing
5992         Layout::linkonce_mapping_count.
5993         (Layout::linkonce_output_name): Remove.
5994         (Layout::output_section_name): Rewrite.
5995         * layout.h (class Layout): Rename Linkonce_mapping to
5996         Section_name_mapping, linkonce_mapping to section_name_mapping,
5997         linkonce_mapping_count to section_name_mapping_count.  Don't
5998         declare linkonce_output_name.
6000 2009-06-03  Doug Kwan  <dougkwan@google.com>
6002         * gold/arm.cc (namespace utils): New.
6003         (Target_arm::reloc_is_non_pic): Define new method.
6004         (class Arm_relocate_functions): New.
6005         (Target_arm::Relocate::relocate): Handle relocation types used by
6006         Android.
6008 2009-06-03  Ian Lance Taylor  <iant@google.com>
6010         * arm.cc (Target_arm::scan::global): Use || instead of |.
6012 2009-06-02  Doug Kwan  <dougkwan@google.com>
6014         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6015         issued_non_pic_error_.
6016         (class Target_arm::Scan): Declare new method check_non_pic.
6017         Define new method symbol_needs_plt_entry.
6018         Declare new data member issued_non_pic_error_.
6019         (class Target_arm::Relocate): Declare new method
6020         should_apply_static_reloc.
6021         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6022         (Target_arm::Scan::check_non_pic): Define new method.
6023         (Target_arm::Scan::local): Handle a small subset of reloc types used
6024         by Android.
6025         (Target_arm::Scan::local): Same.
6026         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6028 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6030         * incremental.cc (Incremental_inputs::report_command_line): Filter
6031         out --incremental-* options.
6033 2009-05-29  Doug Kwan  <dougkwan@google.com>
6035         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6036         template class.
6037         (class Target_arm): Update comment.
6038         (Target_arm::Target_arm): Initialize new data members GOT_,
6039         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6040         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6041         and Target_arm::rel_dyn_section.
6042         Declare new_enum Target_arm::Got_type.
6043         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6044         and DYNBSS_.
6045         Update commments for member do_dynsym_value.
6046         (Target_arm::got_size, Target_arm::plt_section,
6047         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6048         new methods inside class defintion.
6049         (Target_arm::got_section): Define new method.
6050         (Target_arm::rel_dyn_section): Same.
6051         (Output_data_plt_arm): New template class.
6052         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6053         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6054         (Output_data_plt_arm::add_entry): Same.
6055         (Output_data_plt_arm::first_plt_entry): Define new
6056         static data member for PLT instruction template.
6057         (Output_data_plt_arm::plt_entry): Same.
6058         (Output_data_plt_arm::do_write): Define new method.
6059         (Target_arm::make_plt_entry): Same.
6060         (Target_arm::do_finalize_sections): Same.
6061         (Target_arm::do_dynsym_value): Same.
6063 2009-05-28  Doug Kwan  <dougkwan@google.com>
6065         * Makefile.am (TARGETSOURCES): Add arm.cc.
6066         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6067         * Makefile.in: Regenerate.
6068         * arm.cc: New file.
6069         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6071 2009-05-26  Doug Kwan  <dougkwan@google.com>
6073         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6074         (General_options::check_excluded_libs): Strip off directories in
6075         archive name before matching like GNU ld does.
6076         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6077         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6078         (exclude_libs_test_LDFLAGS): Add linker option
6079         -Wl,--exclude-libs,libexclude_libs_test_3
6080         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6081         an explicit archive without using -l.
6082         (alt/libexclude_libs_test_3.a): New make rule.
6083         * testsuite/Makefile.in: Regenerate.
6084         * testsuite/exclude_libs_test.c : Declare lib3_default().
6085         (main): Call it.
6086         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6087         * exclude_libs_test_3.c: New file.
6089 2009-05-26  Nick Clifton  <nickc@redhat.com>
6091         * po/id.po: New Indonesian translation.
6092         * po/gold.pot: Updated template file.
6094 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6096         * testsuite/Makefile.am: Add -ffunction-sections to compile
6097         gc_comdat_test files.  Add -Wl,--gc-sections to build
6098         gc_comdat_test.
6099         * testsuite/Makefile.in: Regenerate.
6100         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6102 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6104         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6105         kept comdat section was garbage collected.
6106         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6107         * testsuite/Makefile.in: Regenerate.
6108         * testsuite/gc_comdat_test.sh: New file.
6109         * testsuite/gc_comdat_test_1.cc: New file.
6110         * testsuite/gc_comdat_test_2.cc: New file.
6112 2009-05-19  Doug Kwan  <dougkwan@google.com>
6114         * archive.cc (Archive::Archive): Move constructor from archive.h
6115         to here.  Initialize no_export_.
6116         (Archive::get_elf_object_for_member): Set no_export flag of object.
6117         * archive.h (Archive::Archive): Move constructor body to
6118         archive.cc.
6119         (Archive::no_export): New method.
6120         (Archive::no_export_): New field.
6121         * object.h (Object::Object): Initialize no_export_ to false.
6122         (Object::no_export, Object::set_no_export): New methods.
6123         (Object::no_export_): New field.
6124         * options.cc (General_options::parse_exclude_libs): New method.
6125         (General_options::check_excluded_libs) Same.
6126         * options.h (exclude_libs): New option.
6127         (General_options::check_excluded_libs): New method declaration.
6128         (General_options::excluded_libs_): New field.
6129         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6130         default or protected visibility if an object has no-export flag set.
6131         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6132         (check_SCRIPTS): Add exclude_libs_test.sh.
6133         (check_DATA): Add exclude_libs_test.syms.
6134         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6135         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6136         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6137         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6138         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6139         libexclude_libs_test_2.a): New rules.
6140         * testsuite/Makefile.in: Regenerate.
6141         * testsuite/exclude_libs_test.c: New file.
6142         * testsuite/exclude_libs_test.sh: Ditto.
6143         * testsuite/exclude_libs_test_1.c: Ditto.
6144         * testsuite/exclude_libs_test_2.c: Ditto.
6146 2009-05-15  Ian Lance Taylor  <iant@google.com>
6148         * configure.ac: Check for declarations for cases where libiberty.h
6149         checks HAVE_DECL_xxx.
6150         * configure, config.in: Rebuild.
6152 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6154         * gold.h (Incremental_argument_list): Remove (invalid) forward
6155         declaration.
6156         * incremental.cc (Incremental_inputs::report_achive): New method.
6157         (Incremental_inputs::report_object): New method.
6158         (Incremental_inputs::report_script): New method.
6159         (Incremental_inputs::finalize_inputs): New method.
6160         (Incremental_inputs::finalize): Call finalize_inputs().
6161         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6162         Create inputs entries.
6163         * incremental.h (Incremental_input_type): New enum.
6164         (Incremental_inputs::Incremental_input): Initialize new fields.
6165         (Incremental_inputs::report_inputs): New method.
6166         (Incremental_inputs::report_achive): New method.
6167         (Incremental_inputs::report_object): New method.
6168         (Incremental_inputs::report_script): New method.
6169         (Incremental_inputs::finalize_inputs): New method.
6170         (Incremental_inputs::Input_info): New struct.
6171         (Incremental_inputs::Input_info_map): New typedef.
6172         (Incremental_inputs::lock_): New field.
6173         (Incremental_inputs::Inputs_): New field.
6174         (Incremental_inputs::Inputs_map): New field.
6175         * main.cc (main): Call Incremental_input::report_inputs.
6176         * options.h (Input_argument_list): Typedef moved from
6177         Input_arguments.
6178         (Input_file_group::Files): Remove, use ::Input_argument_list.
6179         (Input_file_group::Input_argument_list): Remove, use
6180         ::Input_argument_list.
6181         * plugin.cc (Plugin_manager::add_input_file): Add error in
6182         incremental build.
6183         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6184         functions.
6185         * script.cc (read_input_script): Call
6186         Incremental_input::report_script.
6187         * script.h (Script_info): New class.
6189 2009-04-27  Ian Lance Taylor  <iant@google.com>
6191         * x86_64.cc (do_adjust_output_section): Set entsize to
6192         plt_entry_size.
6194 2009-04-23  Elliott Hughes  <enh@google.com>
6196         * output.cc (Output_file::close): After short writes, continue
6197         writing from the correct offset in the buffer being written.
6199 2009-04-23  Chris Demetriou  <cgd@google.com>
6201         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6202         * configure: Regenerate.
6203         * config.in: Regenerate.
6204         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6205         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6207 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6209         * incremental.cc (Incremental_inputs_header_data): Renamed from
6210         Incremental_input_header_data.
6211         (Incremental_inputs_header_data::data_size): New field.
6212         (Incremental_inputs_header_data::put_input_file_count): Renamed
6213         from input_file_count.
6214         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6215         from command_line_offset.
6216         (Incremental_inputs_header_data::put_reserved): Renamed from
6217         put_reserved.
6218         (Incremental_inputs_entry_data): Renamed from
6219         Incremental_input_entry_data.
6220         (Incremental_inputs_entry_data::data_size): New field.
6221         (Incremental_inputs::report_command_line): New method.
6222         (Incremental_inputs::finalize): New method.
6223         (Incremental_inputs::create_incremental_inputs_data): New method.
6224         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6225         * incremental.h: New file.
6226         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6227        (Layout::finalize): Create incremental inputs section in
6228         incremental builds.
6229        (Layout::create_incremental_info_sections): New method.
6230         * layout.h (Layout::incremental_inputs): New method.
6231        (Layout::create_incremental_info_sections): New method.
6232        (Layout::incremental_inputs_): New field.
6233         * main.cc (main): Notify Incremental_input of the command line.
6235 2009-04-01  Ian Lance Taylor  <iant@google.com>
6236             Mikolaj Zalewski  <mikolajz@google.com>
6238         * gold.h (reserve_unordered_map): Define, three versions, one for
6239         each version of Unordered_map.
6240         * layout.cc (Layout::Layout): Remove options parameter.  Add
6241         number_of_input_files parameter.  Don't initialize options_.
6242         Initialize number_of_input_files_ and resized_signatures_.  Move
6243         sections_are_attached_.
6244         (Layout::layout_group): Reserve space for group_signatures_.
6245         (Layout::find_or_add_kept_section): Change name parameter to be a
6246         reference.  Resize signatures_ map when it gets large enough.
6247         (Layout::layout_eh_frame): Use parameters->options() instead of
6248         this->options_.
6249         (Layout::make_output_section): Likewise.
6250         (Layout::attach_allocated_section_to_segment): Likewise.
6251         (Layout::finalize, Layout::create_executable_stack): Likewise.
6252         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6253         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6254         * layout.h (class Layout): Update declarations.  Remove options_
6255         field.  Add number_of_input_files_ and resized_signatures_
6256         fields.  Move sections_are_attached_ field.
6257         * main.cc (main): Pass number of input files to Layout
6258         constructor.  Don't pass options.
6260 2009-03-30  Ian Lance Taylor  <iant@google.com>
6262         * ffsll.c (ffsll): Correct implementation.
6264 2009-03-27  Ian Lance Taylor  <iant@google.com>
6266         * ffsll.c: New file.
6267         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6268         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6269         * ftruncate.c (ftruncate): Declare before definition.
6270         * mremap.c (mremap): Likewise.
6271         * pread.c (pread): Likewise.
6272         * configure, Makefile.in, config.in: Rebuild.
6274         * mremap.c: New file.
6275         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6276         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6277         (mremap): Declare if HAVE_MREMAP is not defined.
6278         * configure, Makefile.in, config.in: Rebuild.
6280 2009-03-27  Cary Coutant  <ccoutant@google.com>
6282         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6283         position independent.
6284         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6285         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6287 2009-03-24  Cary Coutant  <ccoutant@google.com>
6289         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6290         an executable.
6291         (needs_dynamic_reloc): Likewise.
6293 2009-03-24  Ian Lance Taylor  <iant@google.com>
6295         * yyscript.y (file_cmd): Recognize EXTERN.
6296         (extern_name_list, extern_name_list_body): New nonterminals.
6297         * script.cc (script_add_extern): Define.
6298         * script-c.h (script_add_extern): Declare.
6300 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6302         * object.cc (is_elf_object): Define.
6303         * object.h (is_elf_object): Declare.
6304         * archive.cc (Archive::get_elf_object_for_member): Call
6305         is_elf_object.
6306         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6308 2009-03-24  Elliott Hughes  <enh@google.com>
6310         * output.cc (Output_file::map_anonymous): Define.
6311         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6312         try an anonymous one.  Report the size if the mmap fails.
6313         * output.h (class Output_file): Declare map_anonymous.
6315 2009-03-24  Ian Lance Taylor  <iant@google.com>
6317         * target-select.cc (instantiate_target): Don't acquire the lock if
6318         the instantiated_target_ field has already been set.
6320 2009-03-23  Ian Lance Taylor  <iant@google.com>
6322         * gold-threads.h (class Initialize_lock): Define.
6323         * gold-threads.cc (class Initialize_lock_once): Define.
6324         (initialize_lock_control): New static variable.
6325         (initialize_lock_pointer): New static variable.
6326         (initialize_lock_once): New static function.
6327         (Initialize_lock::Initialize_lock): Define.
6328         (Initialize_lock::initialize): Define.
6329         * target-select.h: Include "gold-threads.h".
6330         (class Target_selector): Add lock_ and initialize_lock_ fields.
6331         Don't define instantiate_target, just declare it.
6332         * target-select.cc (Target_selector::Target_selector): Initialize
6333         new fields.
6334         (Target_selector::instantiate_target): Define.
6335         * descriptors.h: Include "gold-threads.h".
6336         (class Descriptors): Add initialize_lock_ field.
6337         * descriptors.cc (Descriptors::Descriptors): Initialize new
6338         field.
6339         (Descriptors::open): Use initialize_lock_ field
6340         * errors.h (class Errors): Add initialize_lock_ field.
6341         * errors.cc (Errors::Errors): Initialize new field.
6342         (Errors::initialize_lock): Use initialize_lock_ field.
6343         * powerpc.cc (class Target_selector_powerpc): Remove
6344         instantiated_target_ field.  In do_recognize call
6345         instantiate_target rather than do_instantiate_target.  In
6346         do_instantiate_target just allocate a new target.
6347         * sparc.cc (class Target_selector_sparc): Likewise.
6349         * freebsd.h: New file.
6350         * i386.cc: Include "freebsd.h".
6351         (Target_i386): Derive from Target_freebsd rather than
6352         Sized_target.
6353         (Target_selector_i386): Derive from Target_selector_freebsd rather
6354         than Target_selector.
6355         * x86_64.cc: Include "freebsd.h".
6356         (Target_x86_64): Derive from Target_freebsd rather than
6357         Sized_target.
6358         (Target_selector_x86_64): Derive from Target_selector_freebsd
6359         rather than Target_selector.
6360         * target.h (class Target): Add adjust_elf_header and
6361         do_adjust_elf_header.
6362         * output.cc (Output_file_header:: do_sized_write): Call target
6363         adjust_elf_header routine.
6364         * configure.tgt: Set targ_osabi.
6365         * configure.ac: Define GOLD_DEFAULT_OSABI.
6366         * parameters.cc (Parameters::default_target): Pass
6367         GOLD_DEFAULT_OSABI to select_target.
6368         * target-select.h (class Target_selector): Make instantiate_target
6369         protected rather than private.
6370         * Makefile.am (HFILES): Add freebsd.h.
6371         * configure, Makefile.in, config.in: Rebuild.
6373         * merge.cc (do_add_input_section): Correct pend value.  Change
6374         message about last entry not being null terminated from error to
6375         warning.
6377 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6379         * incremental.cc: New file.
6380         * Makefile.am (CCFILES): Add incremental.cc.
6381         * Makefile.in: Rebuild.
6383 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6385         * layout.cc (Layout::output_section_name): Preserve names
6386         of '.note.' sections.
6388 2009-03-19  Ian Lance Taylor  <iant@google.com>
6390         * descriptors.cc (Descriptors::open): Check that the options are
6391         valid before using them.
6393 2009-03-18  Ian Lance Taylor  <iant@google.com>
6395         * script-sections.h: Include <list>.
6396         (class Script_sections): Change Sections_elements from std::vector
6397         to std::list.  Typedef public Elements_iterator.  Add
6398         orphan_section_placement_, data_segment_align_start_, and
6399         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6400         field.
6401         * script-sections.cc (class Orphan_section_placement): New class.
6402         (class Sections_element): Add virtual functions is_relro and
6403         orphan_section_init.  Remove virtual function place_orphan_here.
6404         (class Output_section_definition): Add is_relro and
6405         orphan_section_init.  Remove place_orphan_here.
6406         (class Orphan_output_section): Likewise.
6407         (Script_sections::Script_sections): Update for field changes.
6408         (Script_sections::data_segment_align): Set saw_data_segment_align_
6409         and data_segment_align_start_, not data_segment_align_index.
6410         (Script_sections::data_segment_relro_end): Check
6411         saw_data_segment_align_.  Use data_segment_align_start_ rather
6412         than data_segment_align_index_.
6413         (Script_sections::place_orphan): Rewrite to use
6414         Orphan_section_placement.
6416 2009-03-17  Ian Lance Taylor  <iant@google.com>
6418         * archive.cc (Archive::add_symbols): Check for a version attached
6419         to the symbol name in the archive map.
6420         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6421         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6422         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6423         (ver_test_11.a): New target.
6424         * testsuite/Makefile.in: Rebuild.
6426         * configure.ac: Check for chsize and posix_fallocate.  Replace
6427         ftruncate.
6428         * ftruncate.c: New file, from gnulib.
6429         * output.cc (posix_fallocate): Define dummy version if not
6430         HAVE_POSIX_FALLOCATE.
6431         (Output_file::map): Call posix_fallocate rather than lseek and
6432         write.
6433         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6434         * configure, Makefile.in, config.in: Rebuild.
6436 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6438         * layout.h (Layout::create_note): Add section_name parameter.
6439         * layout.cc (Layout::create_note): Likewise.
6440         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6442 2009-03-17  Ian Lance Taylor  <iant@google.com>
6444         * descriptors.cc: Include "options.h".
6445         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6446         (Descriptors::open): Always use O_CLOEXEC when opening a new
6447         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6448         then set FD_CLOEXEC.
6450         * sparc.cc (class Target_sparc): Add has_got_section.
6451         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6452         make sure we have a GOT section.
6454         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6455         (Target_sparc::Scan::local): Likewise.
6456         (Target_sparc::Scan::global): Likewise.
6457         (Target_sparc::Relocate::relocate): Likewise.
6458         (Target_sparc::Relocate::relocate_tls): Likewise.
6460         * symtab.cc (Symbol_table::define_default_version): New function,
6461         broken out of add_from_object.
6462         (Symbol_table::add_from_object): Call define_default_version.
6463         (Symbol_table::define_special_symbol): Add resolve_oldsym
6464         parameter.  Change all callers.  If the version for a symbol comes
6465         from a version script, resolve it with the symbol with the same
6466         name with no version.  Also add the symbol without a version if
6467         appropriate.
6468         (do_define_in_output_data): If resolving with oldsym, don't delete
6469         sym.
6470         (do_define_in_output_segment): Likewise.
6471         (do_define_as_constant): Likewise.
6472         * symtab.h (class Symbol_table): Update declarations.
6474 2009-03-13  Ian Lance Taylor  <iant@google.com>
6476         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6477         (Read_symbols::requeue): New function.
6478         (Read_symbols::do_read_symbols): If make_elf_object fails because
6479         the target type is not configured, and the file was searched for,
6480         issue a warning and retry with the next directory.
6481         (Add_symbols::run): If the file has an incompatible format, and
6482         it was searched for, requeue the Read_symbols task.  On error,
6483         release the object.
6484         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6485         dirindex parameter to constructor.  Change all callers.  Declare
6486         incompatible_warning and requeue.
6487         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6488         input_argument_ and input_group_ fields.  Add them to
6489         constructor.  Change all callers.
6490         (class Read_script): Add dirindex_ field.  Add it to constructor.
6491         Change all callers.
6492         * archive.cc (Archive::setup): Remove input_objects parameter.
6493         Change all callers.
6494         (Archive::get_file_and_offset): Likewise.
6495         (Archive::read_all_symbols): Likewise.
6496         (Archive::read_symbols): Likewise.
6497         (Archive::get_elf_object_for_member): Remove input_objects
6498         parameter.  Add punconfigured parameter.  Change all callers.
6499         (Archive::add_symbols): Change return type to bool.  Check return
6500         value of include_member.
6501         (Archive::include_all_members): Likewise.
6502         (Archive::include_member): Change return type to bool.  Return
6503         false if first included object has incompatible target.  Set
6504         included_member_ field.
6505         (Add_archive_symbols::run): If add_symbols returns false, requeue
6506         Read_symbols task.
6507         * archive.h (class Archive): Add included_member_ field.
6508         Initialize it in constructor.  Add input_file and searched_for
6509         methods.  Update declarations.
6510         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6511         input_argument_ fields.  Add them to constructor.  Change all
6512         callers.
6513         * script.cc: Include "target-select.h".
6514         (class Parser_closure): Add skip_on_incompatible_target_ and
6515         found_incompatible_target_ fields.  Add
6516         skip_on_incompatible_target parameter to constructor.  Change all
6517         callers.  Add methods skip_on_incompatible_target,
6518         clear_skip_on_incompatible_target, found_incompatible_target, and
6519         set_found_incompatible_target.
6520         (read_input_script): Add dirindex parameter.  Change all callers.
6521         If parser finds an incompatible target, requeue Read_symbols
6522         task.
6523         (script_set_symbol): Clear skip_on_incompatible_target in
6524         closure.
6525         (script_add_assertion, script_parse_option): Likewise.
6526         (script_start_sections, script_add_phdr): Likewise.
6527         (script_check_output_format): New function.
6528         * script.h (read_input_script): Update declaration.
6529         * script-c.h (script_check_output_format): Declare.
6530         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6531         (ignore_cmd): Remove OUTPUT_FORMAT.
6532         * fileread.cc (Input_file::Input_file): Add explicit this.
6533         (Input_file::will_search_for): New function.
6534         (Input_file::open): Add pindex parameter.  Change all callers.
6535         * fileread.h (class Input_file): Add input_file_argument method.
6536         Declare will_search_for.  Update declarations.
6537         * object.cc (make_elf_object): Add punconfigured parameter.
6538         Change all callers.
6539         * object.h (class Object): Make input_file public.  Add
6540         searched_for method.
6541         (make_elf_object): Update declaration.
6542         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6543         restart search.
6544         * dirsearch.h (class Dirsearch): Update declaration.
6545         * options.h (class General_options): Add --warn-search-mismatch.
6546         * parameters.cc (Parameters::is_compatible_target): New function.
6547         * parameters.h (class Parameters): Declare is_compatible_target.
6548         * workqueue.cc (Workqueue::add_blocker): New function.
6549         * workqueue.h (class Workqueue): Declare add_blocker.
6551         * fileread.cc (Input_file::open): Remove options parameter.
6552         Change all callers.
6553         (Input_file::open_binary): Likewise.
6554         * script.cc (read_input_script): Likewise.
6555         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6556         options parameter from constructor.  Change all callers.
6557         (class Read_script): Likewise.
6558         * fileread.h (class Input_file): Update declarations.
6559         * script.h (read_input_script): Update declaration.
6561 2009-03-10  Nick Clifton  <nickc@redhat.com>
6563         * po/es.po: New Spanish translation.
6565 2009-03-06  Cary Coutant  <ccoutant@google.com>
6567         * options.cc (parse_short_option): Keep dash_z from registering itself.
6569 2009-03-03  Ian Lance Taylor  <iant@google.com>
6571         PR 9918
6572         * target-reloc.h (relocate_section): Pass output_section to
6573         relocate.
6574         * i386.cc (Target_i386::should_apply_static_reloc): Add
6575         output_section parameter.  Change all callers.
6576         (Target_i386::Relocate::relocate): Add output_section parameter.
6577         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6578         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6579         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6580         * testsuite/two_file_shared.sh: New script.
6581         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6582         (check_DATA): Add two_file_shared.dbg.
6583         (two_file_shared.dbg): New target.
6584         * testsuite/Makefile.in: Rebuild.
6586 2009-03-01  Ian Lance Taylor  <iant@google.com>
6588         * configure.ac: Check for byteswap.h.
6589         * configure: Rebuild.
6590         * config.in: Rebuild.
6592 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6594         * layout.cc (Layout::find_or_add_kept_section): New function.
6595         (Layout::add_comdat): Removed.
6596         * layout.h (struct Kept_section): Move out of class Layout.
6597         Remove trailing underscores from field names.  Add group_sections
6598         field.  Rename group_ field to is_group.  Change all uses.
6599         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6600         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6601         comdat_groups_ field.
6602         (Sized_relobj::include_section_group): Use
6603         find_or_add_kept_section and Kept_section::group_sections.
6604         (Sized_relobj::include_linkonce_section): Likewise.
6605         * object.cc (class Sized_relobj): Don't define Comdat_group or
6606         Comdat_group_table.  Remove find_comdat_group and
6607         add_comdat_group.  Remove comdat_groups_ field.
6608         * plugin.cc (include_comdat_group): Use
6609         Layout::find_or_add_kept_section.
6611 2009-02-28  Ian Lance Taylor  <iant@google.com>
6613         * README: --gc-sections and map files are now supported.  Document
6614         some build requirements.
6616         PR 6992
6617         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6618         relocatable link set the value of the section symbol to zero.
6619         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6620         relocatable link don't include the section address in the local
6621         symbol value.
6623 2009-02-27  Ian Lance Taylor  <iant@google.com>
6625         PR 6811
6626         * options.h (class Search_directory): Add is_system_directory.
6627         (class General_options): Declare is_in_system_directory.
6628         * options.cc (get_relative_sysroot): Make static.
6629         (get_default_sysroot): Make static.
6630         (General_optoins::is_in_system_directory): New function.
6631         * fileread.cc (Input_file::is_in_system_directory): New function.
6632         * fileread.h (class Input_file): Declare is_in_system_directory.
6633         * object.h (class Object): Add is_in_system_directory.
6634         (class Input_objects): Remove system_library_directory_ field.
6635         * object.cc (Input_objects::add_object): Don't set
6636         system_library_directory_.
6637         (input_objects::found_in_system_library_directory): Remove.
6638         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6639         parameter.  Change all callers.
6640         (Symbol_table::sized_write_globals): Likewise.
6641         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6642         Call Object::is_in_system_directory.
6643         * symtab.h (class Symbol_table): Update declarations.
6645         PR 5990
6646         * descriptors.h (Open_descriptor): Add is_on_stack field.
6647         * descriptors.cc (Descriptors::open): If the descriptor is on the
6648         top of the stack, remove it.  Initialize is_on_stack field.
6649         (Descriptors::release): Only add pod to stack if it is not on the
6650         stack already.
6651         (Descriptors::close_some_descriptor): Clear stack_next and
6652         is_on_stack fields.
6654         PR 7091
6655         * output.cc (Output_section::find_starting_output_address): Rename
6656         from starting_output_address; add PADDR parameter; change return
6657         type.
6658         * output.h (class Output_section): Declare
6659         find_starting_output_address instead of starting_output_address.
6660         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6661         section symbol for which we can't find a merge section.
6663         PR 9836
6664         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6665         hidden or internal, force the symbol to be local.
6666         * resolve.cc (Symbol::override_visibility): Define.
6667         (Symbol::override_base): Use override_visibility.
6668         (Symbol_table::resolve): Likewise.
6669         (Symbol::override_base_with_special): Likewise.
6670         (Symbol_table::override_with_special): If the visibility is hidden
6671         or internal, force the symbol to be local.
6672         * symtab.h (class Symbol): Add set_visibility and
6673         override_visibility.
6674         * testsuite/ver_test_1.sh: New file.
6675         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6676         (check_DATA): Add ver_test_1.syms.
6677         (ver_test_1.syms): New target.
6678         * testsuite/Makefile.in: Rebuild.
6680 2009-02-25  Cary Coutant  <ccoutant@google.com>
6682         * layout.cc (Layout::choose_output_section): Don't rename sections
6683         when using a linker script that has a SECTIONS clause.
6684         * Makefile.in: Regenerate.
6686         * testsuite/Makefile.am (script_test_5.sh): New test case.
6687         * testsuite/Makefile.in: Regenerate.
6688         * testsuite/script_test_5.cc: New file.
6689         * testsuite/script_test_5.sh: New file.
6690         * testsuite/script_test_5.t: New file.
6692 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6694         * archive.cc (Archive::include_member): Update calls to add_symbols.
6695         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6696         the Layout argument.
6697         * dynobj.h (do_add_symbols): Add the Layout argument.
6698         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6699         Layout argument.
6700         * object.h (Object::add_symbols): Add the Layout argument.
6701         (Object::do_add_symbols): Add the Layout argument.
6702         (Sized_relobj::do_add_symbols): Add the Layout argument.
6703         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6704         Unify the two versions.
6705         (Add_plugin_symbols): Remove.
6706         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6707         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6708         (Add_plugin_symbols): Remove.
6709         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6710         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6711         (Add_symbols::run): Make it work with Pulginobj.
6713 2009-02-06  Ian Lance Taylor  <iant@google.com>
6715         * object.cc (Sized_relobj::do_layout): Make info message start
6716         with lower case letter.
6718 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6720         * binary.cc: Fix file comment.
6722         * options.h (enum Incremental_disposition): Define.
6723         (class General_options): Add new options: --incremental,
6724         --incremental_changed, --incremental_unchanged,
6725         --incremental_unknown.  Add incremental_disposition_ and
6726         implicit_incremental_ fields.
6727         (General_options::incremental_disposition): New function.
6728         (class Position_dependent_options): Add incremental_disposition
6729         option.
6730         (Position_dependent_options::copy_from_options): Set incremental
6731         dispositions.
6732         * options.cc (General_options::parse_incremental_changed): New
6733         function.
6734         (General_options::parse_incremental_unchanged): New function.
6735         (General_options::parse_incremental_unknown): New function.
6736         (General_options::General_options): Initialize new fields
6737         incremental_disposition_ and implicit_incremental_.
6738         (General_options::finalize): Check for uasge of --incremental-*
6739         without --incremental.
6741 2009-02-06  Chris Demetriou  <cgd@google.com>
6743         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6744         pointer and to report location as the file name associated with
6745         the symbol.
6746         (gold_undefined_symbol_at_location): New function to replace the
6747         old gold_undefined_symbol functionality.
6748         * target-reloc.h (relocate_section): Update to use
6749         gold_undefined_symbol_at_location.
6750         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6751         Call gold_undefined_symbol function rather than gold_error.
6752         * errors.h (Errors::undefined_symbol): Take location as a
6753         string, rather than calculating it from a relocation.
6754         * errors.cc (Errors::fatal): Print "fatal error:" before the
6755         formatted message.
6756         (Errors::error, Errors::error_at_location): Print "error: "
6757         before the formatted message.
6758         (Errors::undefined_symbol): Take location as a string, rather
6759         than calculating it from a relocation.
6760         (gold_undefined_symbol_at_location): New function akin to
6761         old gold_undefined_symbol, calculates location from relocation.
6762         (gold_undefined_symbol): Change to take only a Symbol pointer
6763         and to report location as the file name associated with the symbol.
6764         * testsuite/debug_msg.sh: Update for changed error messages.
6765         * testsuite/undef_symbol.sh: Likewise.
6767 2009-02-04  Duncan Sands  <baldrick@free.fr>
6769         PR 9812
6770         * reduced_debug_output.h
6771         (Output_reduced_debug_abbrev_section::failed): Use format for
6772         gold_warning.
6773         (Output_reduced_debug_info_section::faild): Likewise.
6775 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6777         * script.cc (Lazy_demangler): New class.
6778         (Version_script_info::get_symbol_version_helper): Demangle a
6779         symbol only once.
6781 2009-01-29  Cary Coutant  <ccoutant@google.com>
6783         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6784         to __tls_get_addr.
6785         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6787 2009-01-28  Ian Lance Taylor  <iant@google.com>
6789         * version.cc (version_string): Bump to 1.9.
6791         * gold.h: Include <cstring> and <stdint.h>.
6792         * version.cc: Include <cstdio>.
6793         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6794         warning.
6795         * reduced_debug_output.cc (insert_into_vector): Rename from
6796         Insert_into_vector; change all callers.  Use Swap_unaligned to
6797         avoid aliasing issue; remove union since it is unnecessary.
6799 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6801         * Makefile.am (CCFILES): Add gc.cc.
6802         (HFILES): Add gc.h.
6803         * Makefile.in: Regenerate.
6804         * gold.cc (Gc_runner): New class.
6805         (queue_initial_tasks): Call garbage collection related tasks
6806         when corresponding options are invoked.
6807         (queue_middle_gc_tasks): New function.
6808         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6809         processed early before laying out sections during garbage collection.
6810         * gold.h (queue_middle_gc_tasks): New function.
6811         (is_prefix_of): Move from "layout.cc".
6812         * i386.cc (Target_i386::gc_process_relocs): New function.
6813         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6814         * main.cc (main): Create object of class "Garbage_collection".
6815         * object.cc (Relobj::copy_symbols_data): New function.
6816         (Relobj::is_section_name_included): New function.
6817         (Sized_relobj::do_layout): Allow this function to be called twice
6818         during garbage collection and defer layout of section during the
6819         first call.
6820         * object.h (Relobj::get_symbols_data): New function.
6821         (Relobj::is_section_name_included): New function.
6822         (Relobj::copy_symbols_data): New function.
6823         (Relobj::set_symbols_data): New function.
6824         (Relobj::get_relocs_data): New function.
6825         (Relobj::set_relocs_data): New function.
6826         (Relobj::is_output_section_offset_invalid): New pure virtual function.
6827         (Relobj::gc_process_relocs): New function.
6828         (Relobj::do_gc_process_relocs): New pure virtual function.
6829         (Relobj::sd_): New data member.
6830         (Sized_relobj::is_output_section_offset_invalid): New function.
6831         (Sized_relobj::do_gc_process_relocs): New function.
6832         * options.h (General_options::gc_sections): Modify to not be a no-op.
6833         (General_options::print_gc_sections): New option.
6834         * plugin.cc (Plugin_finish::run): Remove function call to
6835         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
6836         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6837         * reloc.cc (Read_relocs::run): Add task to process relocs and
6838         determine unreferenced sections when doing garbage collection.
6839         (Gc_process_relocs): New class.
6840         (Sized_relobj::do_gc_process_relocs): New function.
6841         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6842         sections that are garbage collected.
6843         * reloc.h (Gc_process_relocs): New class.
6844         * sparc.cc (Target_sparc::gc_process_relocs): New function.
6845         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6846         symbols whose corresponding sections are garbage collected.
6847         (Symbol_table::Symbol_table): Add new parameter for the garbage
6848         collection object.
6849         (Symbol_table::gc_mark_undef_symbols): New function.
6850         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6851         (Symbol_table::gc_mark_dyn_syms): New function.
6852         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6853         as garbage.
6854         (Symbol_table::add_from_object): Likewise.
6855         (Symbol_table::add_from_relobj): When building shared objects, do not
6856         treat externally visible symbols as garbage.
6857         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6858         table information for static and relocatable links.
6859         * symtab.h (Symbol_table::set_gc): New function.
6860         (Symbol_table::gc): New function.
6861         (Symbol_table::gc_mark_undef_symbols): New function.
6862         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6863         (Symbol_table::gc_mark_dyn_syms): New function.
6864         (Symbol_table::gc_): New data member.
6865         * target.h (Sized_target::gc_process_relocs): New pure virtual
6866         function.
6867         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6868         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6870 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
6872         * options.h (General_options::gc_sections): Define as a no-op for now.
6873         (General_options::no_keep_memory): Ditto.
6874         (General_options::Bshareable): Define.
6875         * options.cc (General_options::finalize): Honor -Bshareable.
6877 2009-01-20  Andreas Schwab  <schwab@suse.de>
6879         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6880         read the value in the contents, since we don't use it.  Use the
6881         template endianness when writing.
6882         (Relocate::relocate): Use it for R_PPC_REL16_HA.
6884 2009-01-19  Andreas Schwab  <schwab@suse.de>
6886         * configure.tgt (powerpc64-*): Fix targ_obj.
6888 2009-01-15  Ian Lance Taylor  <iant@google.com>
6890         * object.cc (Sized_relobj::write_local_symbols): Don't write out
6891         local symbols when stripping all symbols.
6893 2009-01-14  Cary Coutant  <ccoutant@google.com>
6895         * output.cc (Output_reloc): Add explicit instantiations.
6897 2009-01-14  Cary Coutant  <ccoutant@google.com>
6899         * archive.cc (Archive::get_elf_object_for_member): Remove call
6900         to File_read::claim_for_plugin.
6901         * descriptors.cc (Descriptors::open): Remove reference to
6902         is_claimed.
6903         (Descriptors::claim_for_plugin): Remove.
6904         * descriptors.h (Descriptors::claim_for_plugin): Remove.
6905         (Descriptors::is_claimed): Remove.
6906         (claim_descriptor_for_plugin): Remove.
6907         * fileread.cc (File_read::claim_for_plugin): Remove.
6908         * fileread.h (File_read::claim_for_plugin): Remove.
6909         (File_read::descriptor): Reopen descriptor if necessary.
6910         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
6911         (Plugin_manager::all_symbols_read): Add task parameter. Change
6912         all callers.
6913         (Plugin_manager::get_input_file): New function.
6914         (Plugin_manager::release_input_file): New function.
6915         (Pluginobj::Pluginobj): Add filesize parameter and initialize
6916         corresponding data member.
6917         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6918         and pass to base constructor. Change all callers.
6919         (get_input_file, release_input_file): New functions.
6920         (make_sized_plugin_object): Add filesize parameter. Change all callers.
6921         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6922         (Plugin_manager::all_symbols_read): Add task parameter.
6923         (Plugin_manager::get_input_file): New function.
6924         (Plugin_manager::release_input_file): New function.
6925         (Plugin_manager::task_): New data member.
6926         (Pluginobj::Pluginobj): Add filesize parameter.
6927         (Pluginobj::filename): New function.
6928         (Pluginobj::descriptor): New function.
6929         (Pluginobj::filesize): New function.
6930         (Pluginobj::filesize_): New data member.
6931         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6932         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6933         File_read::claim_for_plugin; use Object::unlock to unlock the file.
6935         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6936         with archive libraries.
6937         * testsuite/Makefile.in: Regenerate.
6938         * testsuite/plugin_test.c (struct sym_info): New type.
6939         (get_input_file, release_input_file): New static variables.
6940         (onload): Capture new transfer vector entries.
6941         (claim_file_hook): Stop reading at end of file according to filesize.
6942         Factor out parsing of readelf output into separate function.
6943         (all_symbols_read_hook): Exercise get_input_file and release_input_file
6944         APIs and get the source file name from the symbol table.  Convert
6945         source file name to corresponding object file name.  Print info
6946         message when adding new input files.
6947         (parse_readelf_line): New function.
6948         * testsuite/plugin_test_1.sh: Add checks for new info messages.
6949         * testsuite/plugin_test_2.sh: Likewise.
6950         * testsuite/plugin_test_3.sh: Likewise.
6951         * testsuite/plugin_test_4.sh: New test case.
6953 2009-01-07  Ian Lance Taylor  <iant@google.com>
6955         * version.cc (version_string): Bump to 1.8.
6957 2008-12-23  Cary Coutant  <ccoutant@google.com>
6959         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6960         * plugin.cc (Plugin_manager::finish): Rename as
6961         layout_deferred_objects.  Move cleanup to separate function.
6962         (Plugin_manager::cleanup): New function.
6963         (Plugin_finish::run): Call layout_deferred_objects and cleanup
6964         separately.
6965         * plugin.h (Plugin_manager::finish): Rename as
6966         layout_deferred_objects.
6967         (Plugin_manager::cleanup): New function.
6968         (Plugin_manager::cleanup_done): New field.
6970 2008-12-23  Cary Coutant  <ccoutant@google.com>
6972         * plugin.cc (is_visible_from_outside): New function.
6973         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6974         so we don't return "IR only" status for exported symbols or -r links.
6976         * testsuite/Makefile.am (plugin_test_3): New test case.
6977         * testsuite/Makefile.in: Regenerate.
6978         * testsuite/plugin_test_3.sh: New file.
6980 2008-12-22  Cary Coutant  <ccoutant@google.com>
6982         * object.cc (Sized_relobj::layout_section): New function.
6983         (Sized_relobj::do_layout): Defer layout of input sections until after
6984         plugin has provided replacement files.
6985         (Sized_relobj::do_layout_deferred_sections): New function.
6986         * object.h (Relobj::set_section_offset): Remove virtual keyword.
6987         (Relobj::layout_deferred_sections): New function.
6988         (Relobj::do_layout_deferred_sections): New function.
6989         (Sized_relobj::do_layout_deferred_sections): New function.
6990         (Sized_relobj::layout_section): New function.
6991         (Sized_relobj::Deferred_layout): New structure.
6992         (Sized_relobj::deferred_layout_): New field.
6993         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6994         Change all callers.  Layout deferred sections.
6995         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
6996         references.
6997         (Plugin_hook::run): Move code from do_plugin_hook inline.
6998         (Plugin_hook::do_plugin_hook): Remove.
6999         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7000         (Plugin_manager::finish): Renamed, was cleanup.
7001         (Plugin_manager::should_defer_layout): New function.
7002         (Plugin_manager::add_deferred_layout_object): New function.
7003         (Plugin_manager::Deferred_layout_list): New type.
7004         (Plugin_manager::deferred_layout_objects_): New field.
7005         (Plugin_hook::do_plugin_hook): Remove.
7007 2008-12-17  Ian Lance Taylor  <iant@google.com>
7009         * options.h (class General_options): Add --no case for
7010         --export-dynamic.
7012 2008-12-16  Cary Coutant  <ccoutant@google.com>
7014         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7015         vector.
7016         (Plugin_manager::claim_file): Create plugin object even if
7017         plugin did not call the add_symbols callback.
7018         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7019         asking for more symbols than were added.
7020         * testsuite/Makefile.am (plugin_test_1): Add test case with
7021         no global symbols.
7022         (empty.syms): New target.
7023         * testsuite/Makefile.in: Regenerate.
7024         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7025         message. Don't call add_symbols if no globals.
7026         (all_symbols_read_hook): Don't provide replacement for empty
7027         claimed file.
7029 2008-12-12  Ian Lance Taylor  <iant@google.com>
7031         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7032         r_type == 0 for a local symbol with r_sym == 0.
7033         (scan_relocatable_relocs): Pass r_sym to
7034         local_non_section_strategy.
7035         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7036         r_sym parameter.
7038         * configure.ac: Update test for TLS descriptors: they are
7039         supported as of glibc 2.9.
7040         * configure: Rebuild.
7042 2008-12-11  Ian Lance Taylor  <iant@google.com>
7044         PR 7091
7045         * target-reloc.h (Default_scan_relocatable_relocs): For each
7046         function, map r_type == 0 to RELOC_DISCARD.
7048 2008-12-10  Cary Coutant  <ccoutant@google.com>
7050         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7051         object to override a kept COMDAT group from a plugin object.
7053 2008-12-09  Ian Lance Taylor  <iant@google.com>
7055         PR 7088
7056         * yyscript.y (file_cmd): Handle INPUT.
7058         * testsuite/initpri1.c: Change all declarations to be full
7059         prototypes by adding void, to avoid compiler warnings.
7061 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7063         * options.cc (General_options::parse_plugin_opt): New.
7064         (General_options::add_plugin): The argument now is just the filename.
7065         (General_options::add_plugin_option): New.
7066         * options.h (plugin_opt): New.
7067         (add_plugin): Change argument name.
7068         (add_plugin_option): New.
7069         * plugin.cc (Plugin::load): Don't parse the plugin option.
7070         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7071         (Plugin::add_option): New.
7072         (Plugin::args_): Change type.
7073         (Plugin::filename_): New.
7074         (Plugin_manager::add_plugin_option): New.
7075         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7076         * testsuite/Makefile.in: Regenerate.
7078 2008-12-05  Cary Coutant  <ccoutant@google.com>
7080         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7081         Handle --strip-lto-sections option.
7082         * options.h (strip_lto_sections): New option.
7084 2008-12-01  Cary Coutant  <ccoutant@google.com>
7086         * plugin.cc (ld_plugin_message): Change format parameter to const.
7087         Fix mismatch between new[] and delete.
7089 2008-11-14  Cary Coutant  <ccoutant@google.com>
7091         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7092         instead of -1U.
7094 2008-11-05  Craig Silverstein  <csilvers@google.com>
7096         * options.cc (General_options::parse_dynamic_list): New function.
7097         * options.h (General_options): New flags dynamic_list,
7098         dynamic_list_data, dynamic_list_cpp_new, and
7099         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7100         (General_options::in_dynamic_list): New function.
7101         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7102         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7103         (Lex::can_continue_name): Likewise.
7104         (yylex): Likewise.
7105         (read_script_file): New parameter script_options.
7106         (read_dynamic_list): New function.
7107         (Script_options::define_dynamic_list): New function.
7108         (dynamic_list_keyword_parsecodes): New variable.
7109         (dynamic_list_keywords): New variable.
7110         * script.h (Script_options::define_dynamic_list): New function
7111         prototype.
7112         (read_dynamic_list): New function prototype.
7113         * symtab.cc (strprefix): New macro.
7114         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7115         dynamic_list_data, dynamic_list_cpp_new, and
7116         dynamic_list_cpp_typeinfo.
7117         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7118         (dynamic_list_expr): New rule.
7119         (dynamic_list_nodes): Likewise.
7120         (dynamic_list_node): Likewise.
7121         * testsuite/Makefile.am (dynamic_list): New test.
7122         * testsuite/Makefile.in: Regenerated.
7123         * testsuite/dynamic_list.t: New file.
7124         * testsuite/dynamic_list.sh: New file.
7126 2008-11-05  Craig Silverstein  <csilvers@google.com>
7128         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7129         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7130         (t11_last): Likewise.
7131         * testsuite/ver_test_6.c (main): Likewise.
7133 2008-10-07  Cary Coutant  <ccoutant@google.com>
7135         * options.c (General_options::finalize): Add check for -static and
7136         -shared.
7137         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7138         is not empty.
7140 2008-10-02  Cary Coutant  <ccoutant@google.com>
7142         * plugin.cc (make_sized_plugin_object): Fix conditional
7143         compilation to work when not all targets are enabled.
7145 2008-09-29  Cary Coutant  <ccoutant@google.com>
7147         * archive.cc (Archive::get_file_and_offset): Use filename instead
7148         of name to get library path.
7149         (Archive::include_member): Unlock external member of a thin archive.
7151         * testsuite/Makefile.am (TEST_AR): New variable.
7152         (thin_archive_test_1): New test.
7153         (thin_archive_test_2): New test.
7154         * testsuite/Makefile.in: Regenerate.
7155         * testsuite/thin_archive_main.cc: New file.
7156         * testsuite/thin_archive_test_1.cc: New file.
7157         * testsuite/thin_archive_test_2.cc: New file.
7158         * testsuite/thin_archive_test_3.cc: New file.
7159         * testsuite/thin_archive_test_4.cc: New file.
7161 2008-09-29  Cary Coutant  <ccoutant@google.com>
7163         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7164         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7165         instead of -1U.
7166         (Sized_relobj::do_finalize_local_symbols): Likewise.
7167         (Sized_relobj::map_to_kept_section): Likewise.
7168         * object.h (Sized_relobj::invalid_address): New constant.
7169         (Sized_relobj::do_output_section_offset): Check for invalid_address
7170         and return -1ULL.
7171         * output.cc (Output_reloc::local_section_offset): Use constant
7172         invalid_address instead of -1U.
7173         (Output_reloc::get_address): Likewise.
7174         (Output_section::output_address): Change -1U to -1ULL.
7175         * output.h (Output_reloc::invalid_address): New constant.
7176         * reloc.cc (Sized_relobj::write_sections): Use constant
7177         invalid_address instead of -1U.
7178         (Sized_relobj::relocate_sections): Likewise.
7179         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7180         values for merge sections.
7181         * target-reloc.h (relocate_for_relocatable): Use constant
7182         invalid_address instead of -1U.
7184 2008-09-19  Cary Coutant  <ccoutant@google.com>
7186         Add plugin functionality for link-time optimization (LTO).
7187         * configure.ac (plugins): Add --enable-plugins option.
7188         * configure: Regenerate.
7189         * config.in: Regenerate.
7190         * Makefile.am (LIBDL): New variable.
7191         (CCFILES): Add plugin.cc.
7192         (HFILES): Add plugin.h.
7193         (ldadd_var): Add LIBDL.
7194         * Makefile.in: Regenerate.
7196         * archive.cc: Include "plugin.h".
7197         (Archive::setup): Don't preread archive symbols when using a plugin.
7198         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7199         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7200         files.
7201         (Archive::include_member): Add symbols from plugin objects.
7202         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7203         * descriptors.cc (Descriptors::open): Check for file descriptors
7204         abandoned by plugins.
7205         (Descriptors::claim_for_plugin): New function.
7206         * descriptors.h (Descriptors::claim_for_plugin): New function.
7207         (Open_descriptor::is_claimed): New field.
7208         (claim_descriptor_for_plugin): New function.
7209         * fileread.cc (File_read::claim_for_plugin): New function.
7210         * fileread.h (File_read::claim_for_plugin): New function.
7211         (File_read::descriptor): New function.
7212         * gold.cc: Include "plugin.h".
7213         (queue_initial_tasks): Add task to call plugin hooks for generating
7214         new object files.
7215         * main.cc: Include "plugin.h".
7216         (main): Load plugin libraries.
7217         * object.h (Pluginobj): Declare.
7218         (Object::pluginobj): New function.
7219         (Object::do_pluginobj): New function.
7220         (Object::set_target): New function.
7221         * options.cc: Include "plugin.h".
7222         (General_options::parse_plugin): New function.
7223         (General_options::General_options): Initialize plugins_ field.
7224         (General_options::add_plugin): New function.
7225         * options.h (Plugin_manager): Declare.
7226         (General_options): Add --plugin option.
7227         (General_options::has_plugins): New function.
7228         (General_options::plugins): New function.
7229         (General_options::add_plugin): New function.
7230         (General_options::plugins_): New field.
7231         * plugin.cc: New file.
7232         * plugin.h: New file.
7233         * readsyms.cc: Include "plugin.h".
7234         (Read_symbols::do_read_symbols): Check for archive before checking
7235         for ELF file.  Call plugin hooks to claim files.
7236         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7237         from a real object file; force override when processing replacement
7238         files.
7239         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7240         (Symbol::init_base_object): Likewise.
7241         (Symbol::init_base_output_data): Likewise.
7242         (Symbol::init_base_output_segment): Likewise.
7243         (Symbol::init_base_constant): Likewise.
7244         (Symbol::init_base_undefined): Likewise.
7245         (Symbol::output_section): Assert that object is not a plugin.
7246         (Symbol_table::add_from_pluginobj): New function.
7247         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7248         undefined.
7249         (Symbol_table::sized_write_globals): Likewise.
7250         (Symbol_table::add_from_pluginobj): Instantiate template.
7251         * symtab.h (Sized_pluginobj): Declare.
7252         (Symbol::in_real_elf): New function.
7253         (Symbol::set_in_real_elf): New function.
7254         (Symbol::in_real_elf_): New field.
7255         (Symbol_table::add_from_pluginobj): New function.
7257         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7258         (LIBDL): New variable.
7259         (LDADD): Add LIBDL.
7260         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7261         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7262         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7263         (MOSTLYCLEANFILES): Likewise.
7264         * testsuite/Makefile.in: Regenerate.
7265         * testsuite/plugin_test.c: New file.
7266         * testsuite/plugin_test_1.sh: New file.
7267         * testsuite/plugin_test_2.sh: New file.
7269 2008-09-16  Ian Lance Taylor  <iant@google.com>
7271         * target-reloc.h (relocate_section): Check whether a symbol is
7272         defined by the ABI before reporting an undefined symbol error.
7273         * target.h (Target::is_defined_by_abi): Make parameter const.
7274         (Target::do_is_defined_by_abi): Likewise.
7275         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7276         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7277         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7278         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7279         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7280         * testsuite/Makefile.in: Rebuild.
7282         * fileread.cc (make_view): Add casts to avoid warning.
7284 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7286         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7287         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7289 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7291         * options.h (General_options::output_is_executable): New.
7292         (General_options::output_is_pie): New.
7293         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7294         for shared libraries.
7295         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7297 2008-09-11  Chris Demetriou  <cgd@google.com>
7299         * options.h (origin): New -z option.
7300         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7301         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7302         in DT_FLAGS_1.
7304 2008-09-05  Cary Coutant  <ccoutant@google.com>
7306         * fileread.cc (File_read::make_view): Add check for attempt to map
7307         beyond end of file.
7309 2008-09-05  Cary Coutant  <ccoutant@google.com>
7311         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7312         explicit instantiations.
7314 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7316         PR gold/6858
7317         * options.cc (General_options::finalize): Allow undefined symbols
7318         in shlibs if linking -shared.
7320         PR gold/6859
7321         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7322         symbols as not needing a dynsym entry.
7324 2008-08-20  Craig Silverstein  <csilvers@google.com>
7326         * fileread.cc (File_read::open): Do not lock the file unless it
7327         was successfully opened.
7329 2008-08-14  Cary Coutant  <ccoutant@google.com>
7331         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7332         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7333         * testsuite/tls_test.cc (struct int128): 128-bit struct
7334         for testing TLS relocs with non-zero addend.
7335         (v12): New TLS variable.
7336         (t12): New test.
7337         (t_last): Add check for v12.
7338         * testsuite/tls_test.h (t12): New function.
7339         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7341 2008-08-13  Ian Lance Taylor  <iant@google.com>
7343         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7344         set tls_segment_ or relro_segment_.
7345         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7346         when appropriate.
7347         * output.h (Output_section::clear_is_relro): New function.
7348         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7349         sections specially even when output_data_ is empty.
7350         (Output_segment::maximum_alignment): When first section is relro,
7351         only force alignment for PT_LOAD segments.
7352         * script.cc (script_data_segment_align): New function.
7353         (script_data_segment_relro_end): New function.
7354         * script-c.h (script_data_segment_align): Declare.
7355         (script_data_segment_relro_end): Declare.
7356         * script-sections.h (class Script_sections): Declare
7357         data_segment_align and data_segment_relro_end.  Add fields
7358         segment_align_index_ and saw_relro_end_.
7359         * script-sections.cc (class Sections_element): Add set_is_relro
7360         virtual function.  Add new bool* parameter to place_orphan_here.
7361         Add get_output_section virtual function.
7362         (class Output_section_definition): Add set_is_relro.  Add new
7363         bool* parameter to place_orphan_here.  Add get_output_section.
7364         Add is_relro_ field.
7365         (Output_section_definition::Output_section_definition): Initialize
7366         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7367         and is_relro_ fields.
7368         (Output_section_definition::place_orphan_here): Add is_relro
7369         parameter.
7370         (Output_section_definition::set_section_addresses): Set relro for
7371         output section.
7372         (Output_section_definition::alternate_constraint): Likewise.
7373         (class Orphan_output_section): Add new bool* parameter to
7374         place_orphan_here.  Add get_output_section.
7375         (Orphan_output_section::place_orphan_here): Add is_relro
7376         parameter.
7377         (Script_sections::Script_sections): Initialize
7378         data_segment_align_index_ and saw_relro_end_.
7379         (Script_sections::data_segment_align): New function.
7380         (Script_sections::data_segment_relro_end): New function.
7381         (Script_sections::place_orphan): Set or clear is_relro.
7382         (Script_sections::set_section_addresses): Force alignment of first
7383         TLS section.
7384         * yyscript.y (exp): Call script_data_segment_align and
7385         script_data_segment_relro_end.
7386         * testsuite/relro_script_test.t: New file.
7387         * testsuite/relro_test.cc (using_script): Declare.
7388         (t1, t2): Test using_script.
7389         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7390         (relro_script_test_SOURCES): Define.
7391         (relro_script_test_DEPENDENCIES): Define.
7392         (relro_script_test_LDFLAGS): Define.
7393         (relro_script_test_LDADD): Define.
7394         (relro_script_test.so): New target.
7395         * testsuite/Makefile.in: Rebuild.
7397 2008-08-06  Cary Coutant <ccoutant@google.com>
7399         * archive.cc (Archive::total_archives, Archive::total_members)
7400         (Archive::total_members_loaded): New variables.
7401         (Archive::setup): Add parameter.  Add option to preread
7402         archive symbols.
7403         (Archive::read_armap): Add counter.
7404         (Archive::get_file_and_offset): New function.
7405         (Archive::get_elf_object_for_member): New function.
7406         (Archive::read_all_symbols): New function.
7407         (Archive::read_symbols): New function.
7408         (Archive::add_symbols): Add counters.
7409         (Archive::include_all_members): Use armap to find members if it's
7410         already built.
7411         (Archive::include_member): Skip reading symbols if already read.
7412         Factored code into Archive::get_file_and_offset and
7413         Archive::get_elf_object_for_member.  Changed call to
7414         Mapfile::report_include_archive_member.
7415         (Archive::print_stats): New function.
7416         * archive.h: Declare Object and Read_symbols_data classes.
7417         (Archive::Archive): Add initializers for new members.
7418         (Archive::setup): Add parameter.
7419         (Archive::print_stats): New function.
7420         (Archive::total_archives, Archive::total_members)
7421         (Archive::total_members_loaded): New variables.
7422         (Archive::get_file_and_offset): New function.
7423         (Archive::get_elf_object_for_member): New function.
7424         (Archive::read_all_symbols): New function.
7425         (Archive::read_symbols): New function.
7426         (Archive::Archive_member): New class.
7427         (Archive::members_): New member.
7428         (Archive::num_members_): New member.
7429         * main.cc: Include archive.h.
7430         (main): Call Archive::print_stats.
7431         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7432         archive parameter; member_name is now the fully-decorated name.
7433         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7434         * options.h: (General_options): Add --preread-archive-symbols option.
7435         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7436         Archive::setup.
7438 2008-08-04  Ian Lance Taylor  <iant@google.com>
7440         * symtab.h (Symbol::use_plt_offset): New function.
7441         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7442         * powerpc.cc (Relocate::relocate): Likewise.
7443         * sparc.cc (Relocate::relocate): Likewise.
7444         * x86_64.cc (Relocate::relocate): Likewise.
7445         * testsuite/weak_plt.sh: New test.
7446         * testsuite/weak_plt_main.cc: New test.
7447         * testsuite/weak_plt_shared.cc: New test.
7448         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7449         (check_PROGRAMS): Add weak_plt.
7450         (check_DATA): Add weak_plt_shared.so.
7451         (weak_plt_main_pic.o, weak_plt): New targets.
7452         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7453         * testsuite/Makefile.in: Rebuild.
7455         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7456         gcctestdir/ld.
7457         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7458         * testsuite/Makefile.in: Rebuild.
7460 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7462         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7463         * Makefile.in: Regenerate.
7464         * po/POTFILES.in: Regenerate.
7466 2008-07-29  Ian Lance Taylor  <iant@google.com>
7468         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7469         symbols before other symbols.
7470         * testsuite/script_test_2.cc (test_addr): Declare.
7471         (test_addr_alias): Declare.
7472         (main): Check that test_addr and test_addr_alias have the right
7473         values.
7474         * testsuite/script_test_2.t: Define test_addr_alias and
7475         test_addr.
7477 2008-07-24  Ian Lance Taylor  <iant@google.com>
7479         PR 5990
7480         * descriptors.cc: New file.
7481         * descriptors.h: New file.
7482         * gold-threads.h (class Hold_optional_lock): New class.
7483         * fileread.cc: Include "descriptors.h".
7484         (File_read::~File_read): Release descriptor rather than closing
7485         it.
7486         (File_read::open) [file]: Call open_descriptor rather than open.
7487         Set is_descriptor_opened_.
7488         (File_read::open) [memory]: Assert that descriptor is not open.
7489         (File_read::reopen_descriptor): New function.
7490         (File_read::release): Release descriptor.
7491         (File_read::do_read): Make non-const.  Reopen descriptor.
7492         (File_read::read): Make non-const.
7493         (File_read::make_view): Reopen descriptor.
7494         (File_read::do_readv): Likewise.
7495         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7496         Update declarations.
7497         * layout.cc: Include "descriptors.h".
7498         (Layout::create_build_id): Use open_descriptor rather than open.
7499         * output.cc: Include "descriptors.h".
7500         (Output_file::open): Use open_descriptor rather than open.
7501         * archive.cc (Archive::const_iterator): Change Archive to be
7502         non-const.
7503         (Archive::begin, Archive::end): Make non-const.
7504         (Archive::count_members): Likewise.
7505         * archive.h (class Archive): Update declarations.
7506         * object.h (Object::read): Make non-const.
7507         * Makefile.am (CCFILES): Add descriptors.cc.
7508         (HFILES): Add descriptors.h.
7509         * Makefile.in: Rebuild.
7511         PR 6716
7512         * gold.h: Always include <clocale>.  Add Solaris workarounds
7513         following code in binutils/sysdep.h.
7515         PR 6048
7516         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7517         this->eh_frame_hdr_ is NULL before using it.
7519         * dynobj.cc (Versions::Versions): Update comment.
7521         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7522         the base version name.
7524         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7525         array size plus one.
7526         (Stringpool_template::set_string_offsets): Subtract one from key
7527         before using it as an array index.
7528         (Stringpool_template::get_offset_with_length): Likewise.
7529         (Stringpool_template::write_to_buffer): Likewise.
7530         * stringpool.h (Stringpool_template::get_offset_from_key):
7531         Likewise.
7533 2008-07-23  Ian Lance Taylor  <iant@google.com>
7535         PR 6658
7536         * object.h (Merged_symbol_value::value): Do our best to handle a
7537         negative addend.
7539         PR 6647
7540         * script.cc (Version_script_info::get_versions): Don't add empty
7541         version tag to return value.
7542         (Version_script_info::get_symbol_version_helper): Change return
7543         type to bool.  Add pversion parameter.  Change all callers.
7544         (script_register_vers_node): Don't require a non-NULL tag.
7545         * script.h (class Version_script_info): Update declarations.
7546         (Version_script_info::get_symbol_version): Change return type to
7547         bool.  Add version parameter.  Change all callers.
7548         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7549         handling.  Handle an empty version from a version script.
7550         (Symbol_table::define_special_symbol): Likewise.
7551         * testsuite/ver_test_10.script: New file.
7552         * testsuite/ver_test_10.sh: New file.
7553         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7554         (check_DATA): Add ver_test_10.syms.
7555         (ver_test_10.syms, ver_test_10.so): New target.
7556         * testsuite/Makefile.in: Rebuild.
7558 2008-07-23  Simon Baldwin  <simonb@google.com>
7560         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7561         to zero for undefined symbols from dynamic libraries.
7563 2008-07-23  Ian Lance Taylor  <iant@google.com>
7565         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7566         Change all callers.
7567         * symtab.h (class Symbol_table): Update declaration.
7568         * testsuite/ver_test_9.cc: New file.
7569         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7570         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7571         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7572         (ver_test_9.so, ver_test_9.o): New targets.
7573         * testsuite/Makefile.in: Rebuild.
7575 2008-07-22  Ian Lance Taylor  <iant@google.com>
7577         * options.h (class General_options): Define --check-sections.
7578         * layout.cc (Layout::set_segment_offsets): Handle
7579         --check-sections.
7581         * options.h (class General_options): Define -n/--nmagic and
7582         -N/--omagic.
7583         * options.cc (General_options::finalize): For -n/--nmagic or
7584         -N/--omagic, set -static.
7585         * layout.cc (Layout::attach_allocated_section_to_segment): If
7586         -N/--omagic, don't put read-only and read-write sections in
7587         different segments.
7588         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7589         finding a read-only segment.
7590         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7591         don't set the minimum segment alignment to the common page size,
7592         and don't set the file offset to the address modulo the page size.
7593         * script-sections.cc (Script_sections::create_segments): If
7594         -n/--omagic, don't put read-only and read-write sections in
7595         different segments.
7597         * cref.cc: New file.
7598         * cref.h: New file.
7599         * options.h (class General_options): Add --print-symbol-counts.
7600         * main.cc (main): Issue defined symbol report if requested.
7601         * archive.cc (Archive::interpret_header): Make into a const member
7602         function.
7603         (Archive::add_symbols): Call Input_objects::archive_start and
7604         archive_stop.
7605         (Archive::const_iterator): Define new class.
7606         (Archive::begin, Archive::end): New functions.
7607         (Archive::include_all_members): Rewrite to use iterator.
7608         (Archive::count_members): New function.
7609         * archive.h (class Archive): Update declarations.
7610         (Archive::filename): New function.
7611         * object.cc: Include "cref.h".
7612         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7613         (Sized_relobj::do_get_global_symbol_counts): New function.
7614         (Input_objects::add_object): Add object to cross-referencer.
7615         (Input_objects::archive_start): New function.
7616         (Input_objects::archive_stop): New function.
7617         (Input_objects::print_symbol_counts): New function.
7618         * object.h: Declare Cref and Archive.
7619         (Object::get_global_symbol_counts): New function.
7620         (Object::do_get_global_symbol_counts): New pure virtual function.
7621         (class Sized_relobj): Add defined_count_ field.  Update
7622         declarations.
7623         (class Input_objects): Add cref_ field.  Update constructor.
7624         Update declarations.
7625         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7626         defined_count_.
7627         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7628         symbol counts.
7629         (Sized_dynobj::do_get_global_symbol_counts): New function.
7630         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7631         defined_count_.  Update declarations.  Define Symbols typedef.
7632         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7633         parameter.  Change all callers.
7634         (Symbol_table::add_from_dynobj): Add sympointers and defined
7635         parameters.  Change all callers.
7636         * symtab.h (class Symbol_table): Update declarations.
7637         * Makefile.am (CCFILES): Add cref.cc.
7638         (HFILES): Add cref.h.
7639         * Makefile.in: Rebuild.
7641 2008-07-22  Simon Baldwin  <simonb@google.com>
7643         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7644         to zero when writing undefined symbols.
7646 2008-07-22  Ian Lance Taylor  <iant@google.com>
7648         * output.cc (Output_section::add_input_section): Don't try to
7649         merge empty merge sections.
7651 2008-07-21  Craig Silverstein  <csilvers@google.com>
7653         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7654         Include symbol version in error message.
7656 2008-07-20  Chris Demetriou  <cgd@google.com>
7658         * configure.ac (gold_cv_c_random_seed): New configured variable.
7659         (RANDOM_SEED_CFLAGS): New substituted variable.
7660         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7661         * configure: Rebuild.
7662         * Makefile.in: Likewise.
7663         * testsuite/Makefile.in: Likewise.
7665 2008-07-18  Ian Lance Taylor  <iant@google.com>
7667         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7668         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7669         * testsuite/ver_test_main.cc (main): Call t4.
7670         (t4, t4_2a): Define.
7671         * testsuite/ver_test_2.cc (t4_2): Define.
7672         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7673         * testsuite/ver_test_4.cc (t4_2a): Define.
7674         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7675         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7677 2008-07-17  Ian Lance Taylor  <iant@google.com>
7679         * dynobj.cc (Versions::add_def): If we give an error about a
7680         missing version, go ahead and create the version anyhow.
7682 2008-07-10  Ian Lance Taylor  <iant@google.com>
7684         Handle output sections with more than 0x7fffffff bytes.
7685         * object.h (class Relobj): Change map_to_output_ to
7686         output_sections_, and just keep a section pointer.  Change all
7687         uses.  Move comdat group support to Sized_relobj.
7688         (Relobj::is_section_specially_mapped): Remove.
7689         (Relobj::output_section): Remove poff parameter.  Change all
7690         callers.
7691         (Relobj::output_section_offset): New function.
7692         (Relobj::set_section_offset): Rewrite.
7693         (Relobj::map_to_output): Remove.
7694         (Relobj::output_sections): New function.
7695         (Relobj::do_output_section_offset): New pure virtual function.
7696         (Relobj::do_set_section_offset): Likewise.
7697         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7698         group support from Relobj.  Update declarations.
7699         (Sized_relobj::get_output_section_offset): New function.
7700         (Sized_relobj::do_output_section_offset): New function.
7701         (Sized_relobj::do_set_section_offset): New function.
7702         * object.cc (Relobj::output_section_address): Remove.
7703         (Sized_relobj::Sized_relobj): Initialize new fields.
7704         (Sized_relobj::include_section_group): Cast find_kept_object to
7705         Sized_relobj.
7706         (Sized_relobj::include_linkonce_section): Likewise.
7707         (Sized_relobj::do_layout): Use separate arrays for output section
7708         and output offset.
7709         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7710         output_sections.
7711         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7712         output_sections and section_offsets.
7713         (Sized_relobj::write_local_symbols): Likewise.
7714         (map_to_kept_section): Compute output address directly.
7715         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7716         output_sections and section_offsets.
7717         (Sized_relobj::write_sections): Likewise.
7718         (Sized_relobj::relocate_sections): Likewise.
7719         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7720         * output.h (class Output_reloc): Update declarations.  Change
7721         u2_.relobj to Sized_relobj*.
7722         (class Output_data_reloc): Change add functions to use
7723         Sized_relobj*.
7724         * output.cc (Output_reloc::Output_reloc): Change relobj to
7725         Sized_relobj*.
7726         (Output_reloc::local_section_offset): Change return type to
7727         Elf_Addr.  Use get_output_section_offset.
7728         (Output_reloc::get_address): Likewise.
7729         (Output_section::is_input_address_mapped): Don't call
7730         is_section_specially_mapped.
7731         (Output_section::output_offset): Likewise.
7732         (Output_section::output_address): Likewise.
7733         (Output_section::starting_output_address): Likewise.
7734         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7735         parameter to Sized_relobj*.
7736         (Copy_relocs::need_copy_reloc): Likewise.
7737         (Copy_relocs::save): Likewise.
7738         * copy-relocs.h (class Copy_relocs): Update declarations.
7739         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7740         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7741         * target-reloc.h (relocate_for_relocatable): Change
7742         offset_in_output_section type to Elf_Addr.  Change code that uses
7743         it as well.
7744         * layout.cc (Layout::layout): Always set *off.
7745         * mapfile.cc (Mapfile::print_input_section): Use
7746         output_section_offset.
7747         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7748         Sized_relobj*.
7749         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7750         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7751         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7753 2008-07-03  Ian Lance Taylor  <iant@google.com>
7755         * layout.cc (Layout::include_section): Do not discard unrecognized
7756         SHT_STRTAB sections.
7758 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7760         * script.cc (Lex::can_continue_name): Make '?' allowable in
7761         version-script names.
7762         * testsuite/version_script.map: Change glob pattern to use '?'
7764 2008-06-30  Manish Singh  <yosh@gimp.org>
7766         PR 6585
7767         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7768         Correct typo.
7770 2008-06-30  Ian Lance Taylor  <iant@google.com>
7772         PR 6660
7773         PR 6682
7774         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7775         versions]: Don't try to read the value in the contents, since we
7776         don't use it.  Use the template endianness when writing.
7778 2008-06-25  Cary Coutant  <ccoutant@google.com>
7780         * fileread.cc (File_read::make_view): Assert on zero-length view.
7781         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7782         symbol table when there are no symbols to read.
7784 2008-06-23  Craig Silverstein  <csilvers@google.com>
7786         * version.cc (version_string): Bump to 1.7
7788 2008-06-18  Craig Silverstein  <csilvers@google.com>
7790         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7791         constant 0xFFFF to type Valtype.
7792         (Powerpc_relocate_functions::rel16_ha): Likewise.
7794 2008-06-17  Ian Lance Taylor  <iant@google.com>
7796         * output.h (Output_section::Input_section): Initialize p2align_ to
7797         zero for Output_section_data constructors.
7798         (Output_section::Input_section::addralign): If not an input
7799         section, return the alignment of the Output_section_data.
7800         * testsuite/copy_test.cc: New file.
7801         * testsuite/copy_test_1.cc: New file.
7802         * testsuite/copy_test_2.cc: New file.
7803         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7804         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7805         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7806         (copy_test_1_pic.o, copy_test_1.so): New targets.
7807         (copy_test_2_pic.o, copy_test_2.so): New targets.
7808         * testsuite/Makefile.in: Rebuild.
7810         * script-sections.cc (Script_sections::place_orphan): Initialize
7811         local variable exact.
7813 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
7815         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7817 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
7818             David S. Miller  <davem@davemloft.net>
7820         * powerpc.cc: New file.
7821         * Makefile.am (TARGETSOURCES): Add powerpc.cc
7822         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7823         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7824         * Makefile.in: Rebuild.
7826 2008-06-09  Ian Lance Taylor  <iant@google.com>
7828         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7829         <exception>.
7830         (throwing, orig_terminate): New static variables.
7831         (terminate_handler): New static function.
7832         (t2): Set terminate handler.
7834 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
7836         PR 6584
7837         * binary.cc (Binary_to_elf::sized_convert): Fix .data
7838         alignment.
7840 2008-05-30  Cary Coutant  <ccoutant@google.com>
7842         * archive.cc (Archive::include_all_members) Correct to step
7843         over symbol table and extended name table in thin archives.
7845 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7847         PR 6407
7848         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7849         calculation.
7851 2008-05-28  Caleb Howe  <cshowe@google.com>
7853         * reduced_debug_output.cc: New file.
7854         * reduced_debug_output.h: New file.
7855         * options.h (class General_options): Add --strip-debug-non-line.
7856         * options.cc (General_options::finalize): Add strip_debug_non_line
7857         to the strip heirarchy.
7858         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7859         fields.
7860         * layout.cc: Include "reduced_debug_output.h".
7861         (Layout::Layout): Initialize new fields.
7862         (line_only_debug_sections): New static array.
7863         (is_lines_only_debug_sections): New static inline function.
7864         (Layout::include_section): Handle --strip-debug-non-line.
7865         (Layout::make_output_section): If --strip-debug-non-line, build
7866         new output sections for .debug_abbrev and .debug_info.
7867         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7868         gold.  Warn about possible overflow.
7869         (read_signed_LEB_128): Likewise.
7870         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7871         (read_signed_LEB_128): Declare.
7872         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7873         (HFILES): Add reduced_debug_output.h.
7874         * Makefile.in: Rebuild.
7876 2008-05-21  Ian Lance Taylor  <iant@google.com>
7878         * mapfile.cc: New file.
7879         * mapfile.h: New file.
7880         * options.h (class General_options): Add -M/--print-map and -Map.
7881         * options.cc (General_options::finalize): Make -M equivalent to
7882         -Map -.
7883         * main.cc: Include <cstdio> and "mapfile.h".
7884         (main): Open mapfile if requested.
7885         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
7886         constructor.  Change caller.
7887         (queue_initial_tasks): Add mapfile parameter.  Change caller.
7888         (queue_middle_tasks): Likewise.
7889         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7890         declarations.
7891         * archive.cc: Include "mapfile.h".
7892         (Archive::add_symbols): Add mapfile parameter.  Change all
7893         callers.  Pass mapfile, symbol, and reason to include_member.
7894         (Archive::include_all_members): Add mapfile parameter.  Change all
7895         callers.
7896         (Archive::include_member): Add mapfile, sym, and why parameters.
7897         Change all callers.  Report inclusion to map file.
7898         * archive.h: Include "fileread.h".
7899         (class Archive): Update declarations.
7900         (Archive::file): New const method.
7901         (class Add_archive_symbols): Add mapfile_ field.  Update
7902         constructor.  Change all callers.
7903         * readsyms.h (class Read_symbols): Likewise.
7904         (class Finish_group): Likewise.
7905         (class Read_script): Likewise.
7906         * common.cc: Include "mapfile.h".
7907         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
7908         all callers.
7909         (Symbol_table::do_allocate_commons): Likewise.
7910         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
7911         symbol allocation to mapfile.
7912         * common.h (class Allocate_commons_task): Add mapfile_ field.
7913         Update constructor.  Change all callers.
7914         * symtab.h (class Symbol_table): Update declarations.
7915         * layout.cc: Include "mapfile.h".
7916         (Layout_task_runner::run): Print information to mapfile.
7917         (Layout::create_gold_note): Change Output_data_fixed_space to
7918         Output_data_zero_fill.
7919         (Layout::create_build_id): Likewise.
7920         (Layout::print_to_mapfile): New function.
7921         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
7922         constructor.  Change caller.
7923         (class Layout): Declare print_to_mapfile.
7924         * output.cc (Output_section::Input_section::print_to_mapfile): New
7925         function.
7926         (Output_section::add_input_section): If producing a map, always
7927         add to input_sections_ list.
7928         (Output_section::do_print_to_mapfile): New function.
7929         (Output_segment::print_sections_to_mapfile): New function.
7930         (Output_segment::print_section_list_to_mapfile): New function.
7931         * output.h: Include "mapfile.h".
7932         (Output_data::print_to_mapfile): New function.
7933         (Output_data::do_print_to_mapfile): New virtual function.
7934         (Output_segment_headers::do_print_to_mapfile): New function.
7935         (Output_file_header::do_print_to_mapfile): New function.
7936         (Output_data_const::do_print_to_mapfile): New function.
7937         (class Output_data_const_buffer): Add map_name_ field.  Update
7938         constructor.  Change all callers.  Add do_print_to_mapfile
7939         function.
7940         (class Output_data_fixed_space): Likewise.
7941         (class Output_data_space): Likewise.
7942         (class Output_data_zero_fill): New class.
7943         (Output_data_strtab::do_print_to_mapfile): New function.
7944         (Output_data_reloc_base::do_print_to_mapfile): New function.
7945         (Output_relocatable_relocs::do_print_to_mapfile): New function.
7946         (Output_data_group::do_print_to_mapfile): New function.
7947         (Output_data_got::do_print_to_mapfile): New function.
7948         (Output_data_dynamic::do_print_to_mapfile): New function.
7949         (Output_symtab_xindex::do_print_to_mapfile): New function.
7950         (class Output_section): Declare do_print_to_mapflie.  Declare
7951         print_to_mapfile in Input_section.
7952         (class Output_segment): Declare new functions.
7953         * object.h (Sized_relobj::symbol_count): New function.
7954         * script-sections.cc
7955         (Output_section_element_dot_assignment::set_section_addresses):
7956         Change Output_data_fixed_space to Output_data_zero_fill.
7957         (Output_data_expression::do_print_to_mapfile): New function.
7958         * script.cc (read_input_script): Add mapfile parameter.  Change
7959         all callers.
7960         * script.h (read_input_script): Update declaration.
7961         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7962         (Eh_frame::do_print_to_mapfile): New function.
7963         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7964         (Output_merge_string::do_print_to_mapfile): New function.
7965         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7966         function.
7967         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7968         function.
7969         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7970         function.
7971         * Makefile.am (CCFILES): Add mapfile.cc.
7972         (HFILES): Add mapfile.h.
7973         * Makefile.in: Rebuild.
7975 2008-05-19  Ian Lance Taylor  <iant@google.com>
7977         * options.h (class General_options): Add -z relro.
7978         * layout.cc (Layout::Layout): Initialize relro_segment_.
7979         (Layout::add_output_section_data): Return the output section.
7980         (Layout::make_output_section): Rcognize relro sections and mark
7981         them appropriately.
7982         (Layout::attach_allocated_section_to_segment): Put relro sections
7983         in a PT_GNU_RELRO segment.
7984         (Layout::create_initial_dynamic_sections): Mark the .dynamic
7985         section as relro.
7986         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7987         PT_TLS segments.
7988         (Layout::linkonce_mapping): Map d.rel.ro.local to
7989         .data.rel.ro.local.
7990         (Layout::output_section_name): Us .data.rel.ro.local for any
7991         section which begins with that.
7992         * layout.h (class Layout): Update add_output_section_data
7993         declaration.  Add relro_segment_ field.
7994         * output.cc (Output_section::Output_section): Initialize is_relro_
7995         and is_relro_local_ fields.
7996         (Output_segment::add_output_section): Group relro sections.
7997         (Output_segment::is_first_section_relro): New function.
7998         (Output_segment::maximum_alignment): If there is a relro section,
7999         align the segment to the common page size.
8000         (Output_segment::set_section_addresses): Track whether we are
8001         looking at relro sections.  If the last section is a relro
8002         section, align to the common page size.
8003         (Output_segment::set_section_list_addresses): Add in_relro
8004         parameter.  Change all callers.  Align to the page size when
8005         moving from relro to non-relro section.
8006         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8007         segment.
8008         * output.h (class Output_section): Add is_relro_ and
8009         is_relro_local_ fields.
8010         (Output_section::is_relro): New function.
8011         (Output_section::set_is_relro): New function.
8012         (Output_section::is_relro_local): New function.
8013         (Output_section::set_is_relro_local): New function.
8014         (class Output_segment): Update declarations.
8015         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8016         * sparc.cc (Target_sparc::got_section): Likewise.
8017         * x86_64.cc (Target_x86_64::got_section): Likewise.
8018         * testsuite/relro_test_main.cc: New file.
8019         * testsuite/relro_test.cc: New file.
8020         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8021         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8022         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8023         (relro_test.so, relro_test_pic.o): New targets.
8024         * testsuite/Makefile.in: Rebuild.
8026 2008-05-16  Ian Lance Taylor  <iant@google.com>
8028         * output.cc (Output_segment::add_output_section): Remove front
8029         parameter.
8030         * output.h (class Output_segment): Remove
8031         add_initial_output_section and overloaded add_output_section.
8032         Update declaration of remaining add_output_section.
8033         * layout.cc (Layout::create_interp): Call add_output_section
8034         rather than add_initial_output_section.
8035         (Layout::finish_dynamic_section): Likewise.
8037         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8038         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8039         know the dynamic type.
8040         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8041         field.  Initialize it in constructor.
8042         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8043         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8044         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8045         reloc.
8047         * output.cc (Output_reloc::get_address): Change return type to
8048         Elf_Addr.
8049         * output.h (class Output_reloc): Update get_address declaration.
8050         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8051         for section addresses.
8053 2008-05-09  Ian Lance Taylor  <iant@google.com>
8055         PR 6493
8056         * gold.cc (gold_nomem): Use return value of write.
8058 2008-05-08  Ian Lance Taylor  <iant@google.com>
8060         * symtab.c (Symbol::init_base_output_data): Add version
8061         parameter.  Change all callers.
8062         (Symbol::init_base_output_segment): Likewise.
8063         (Symbol::init_base_constant): Likewise.
8064         (Symbol::init_base_undefined): Likewise.
8065         (Sized_symbol::init_output_data): Likewise.
8066         (Sized_symbol::init_output_segment): Likewise.
8067         (Sized_symbol::init_constant): Likewise.
8068         (Sized_symbol::init_undefined): Likewise.
8069         (Symbol_table::do_define_in_output_data): If the new symbol has a
8070         version, mark it as the default.
8071         (Symbol_table::do_define_in_output_segment): Likewise.
8072         (Symbol_table::do_define_as_constant): Likewise.
8073         * symtab.h (class Symbol): Update declarations.
8074         (class Sized_symbol): Likewise.
8075         * resolve.cc (Symbol::override_version): New function.
8076         (Symbol::override_base): Call override_version.
8077         (Symbol::override_base_with_special): Likewise.
8078         * testsuite/ver_script_8.script: New file.
8079         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8080         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8081         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8082         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8084 2008-05-06  Ian Lance Taylor  <iant@google.com>
8086         PR 6049
8087         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8088         functions.
8089         (class General_options): Remove existing --undefined, and add
8090         --no-undefined instead.  Add new --undefined as synonym for -u.
8091         * archive.cc (Archive::add_symbols): Check whether symbol was
8092         named with -u.
8093         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8094         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8095         all uses.  Add IS_UNDEFINED.  Update declarations to split
8096         different versions of init_base.  Declare init_base_undefined.
8097         (Symbol::is_defined): Handle IS_UNDEFINED.
8098         (Symbol::is_undefined): Likewise.
8099         (Symbol::is_weak_undefined): Call is_undefined.
8100         (Symbol::is_absolute): Handle IS_CONSTANT.
8101         (class Sized_symbol): Update declarations to split different
8102         versions of init.  Declare init_undefined.
8103         (class Symbol_table): Declare new functions.
8104         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8105         Change all callers.
8106         (Symbol::init_base_output_data): Likewise.
8107         (Symbol::init_base_output_segment): Likewise.
8108         (Symbol::init_base_constant): Likewise.
8109         (Symbol::init_base_undefined): New function.
8110         (Sized_symbol::init_object): Rename from init.  Change all
8111         callers.
8112         (Sized_symbol::init_output_data): Likewise.
8113         (Sized_symbol::init_output_segment): Likewise.
8114         (Sized_symbol::init_constant): Likewise.
8115         (Sized_symbol::init_undefined): New function.
8116         (Symbol_table::add_undefined_symbols_from_command_line): New
8117         function.
8118         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8119         function.
8120         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8121         (Symbol::output_section): Likewise.
8122         (Symbol::set_output_section): Likewise.
8123         (Symbol_table::sized_finalize_symbol): Likewise.
8124         (Symbol_table::sized_write_globals): Likewise.
8125         * resolve.cc (Symbol_table::should_override): Likewise.
8126         (Symbol::override_base_with_special): Likewise.
8128         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8129         symbol, change it to have default visibility.
8130         * testsuite/protected_1.cc: New file.
8131         * testsuite/protected_2.cc: New file.
8132         * testsuite/protected_3.cc: New file.
8133         * testsuite/protected_main_1.cc: New file.
8134         * testsuite/protected_main_2.cc: New file.
8135         * testsuite/protected_main_3.cc: New file.
8136         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8137         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8138         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8139         (protected_1.so): New target.
8140         (protected_1_pic.o, protected_2_pic.o): New targets.
8141         (protected_3_pic.o): New target.
8142         (check_PROGRAMS): Add protected_2.
8143         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8144         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8145         * testsuite/Makefile.in: Rebuild.
8147         * options.h (DEFINE_var): Add set_user_set_##varname__.
8148         (DEFINE_bool_alias): New macro.
8149         (class General_options): Define -Bstatic using DEFINE_bool_alias
8150         rather than DEFINE_special.  Add --undefined as an alias for -z
8151         defs.
8152         * options.cc (General_options::parse_Bstatic): Remove.
8154         * options.h (class General_options): Add --fatal-warnings.
8155         * main.cc (main): Implement --fatal-warnings.
8156         * errors.h (Errors::warning_count): New function.
8158         * options.h (class General_options): Add -Bsymbolic-functions.
8159         * symtab.h (Symbol::is_preemptible): Check for
8160         -Bsymbolic-functions.
8162 2008-05-05  Ian Lance Taylor  <iant@google.com>
8164         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8165         as noVARNAME rather than no-VARNAME.
8166         (class General_options): Add option -z combreloc.
8167         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8168         get_address.
8169         (Output_reloc::sort_before) [SHT_REL]: New function.
8170         (Output_reloc::sort_before) [SHT_RELA]: New function.
8171         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8172         Sort_relocs_comparison.
8173         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8174         parameter.  Change all callers.
8175         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8176         sort_relocs parameter.  Change all callers.
8177         * output.cc (Output_reloc::get_address): New function, broken out
8178         of write_rel.
8179         (Output_reloc::write_rel): Call it.
8180         (Output_reloc::compare): New function.
8181         (Output_data_reloc_base::do_write): Optionally sort relocs.
8183         * configure.ac: If targ_extra_obj is set, link it in.
8184         * configure.tgt: Initialize all variables.
8185         (x86_64*): Set targ_extra_obj and targ_extra_size.
8186         * configure: Rebuild.
8188         * object.cc (Sized_relobj::include_section_group): Adjust section
8189         indexes read from group data.  Build vector to pass to
8190         layout_group.
8191         * layout.cc (Layout::layout_group): Add flags and shndxes
8192         parameters.  Remove contents parameter.  Change caller.  Update
8193         explicit instantiations.
8194         * layout.h (class Layout): Update layout_group declaration.
8195         * output.cc (Output_data_group::Output_data_group): Add flags and
8196         input_shndxes parameters.  Remove contents parameter.  Change
8197         caller.
8198         (Output_data_group::do_write): Change input_sections_ to
8199         input_shndxes_.
8200         * output.h (class Output_data_group): Update constructor
8201         declaration.  Rename input_sections_ to input_shndxes_.
8202         * testsuite/many_sections_test.cc: Add template.
8204 2008-04-30  Cary Coutant  <ccoutant@google.com>
8206         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8208         * layout.cc (Layout::include_section): Refactored check for debug
8209         info section.
8210         (Layout::add_comdat): Add new parameters.  Change type
8211         of signature parameter.  Add object and shndx to signatures table.
8212         (Layout::find_kept_object): New function.
8213         * layout.h: Include <cstring>.
8214         (Layout::is_debug_info_section): New function.
8215         (Layout::add_comdat): Add new parameters.
8216         (Layout::find_kept_object): New function.
8217         (Layout::Kept_section): New struct.
8218         (Layout::Signatures): Change type of map range.
8219         * object.cc (Relobj::output_section_address): New function.
8220         (Sized_relobj::include_section_group): Add new parameters.  Change
8221         calls to Layout::add_comdat.  Change to build table of kept comdat
8222         groups and table mapping discarded sections to kept sections.
8223         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8224         (Sized_relobj::do_layout): Change calls to include_section_group and
8225         include_linkonce_section.
8226         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8227         value to zero when section is discarded.
8228         (Sized_relobj::map_to_kept_section): New function.
8229         * object.h (Relobj::output_section_address): New function.
8230         (Relobj::Comdat_group): New type.
8231         (Relobj::find_comdat_group): New function.
8232         (Relobj::Comdat_group_table): New type.
8233         (Relobj::Kept_comdat_section): New type.
8234         (Relobj::Kept_comdat_section_table): New type.
8235         (Relobj::add_comdat_group): New function.
8236         (Relobj::set_kept_comdat_section): New function.
8237         (Relobj::get_kept_comdat_section): New function.
8238         (Relobj::comdat_groups_): New field.
8239         (Relobj::kept_comdat_sections_): New field.
8240         (Symbol_value::input_value): Update comment.
8241         (Sized_relobj::map_to_kept_section) New function.
8242         (Sized_relobj::include_linkonce_section): Add new parameter.
8243         * target-reloc.h (Comdat_behavior): New type.
8244         (get_comdat_behavior): New function.
8245         (relocate_section): Add code to map a discarded section to the
8246         corresponding kept section when applying a relocation.
8248 2008-04-30  Craig Silverstein  <csilvers@google.com>
8250         * dwarf_reader.cc (next_generation_count): New static var.
8251         (Addr2line_cache_entry): New struct.
8252         (addr2line_cache): New static var.
8253         (Dwarf_line_info::one_addr2line): Added caching.
8254         (Dwarf_line_info::clear_addr2line_cache): New function.
8255         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8256         cache-size parameter.
8257         (Dwarf_line_info::one_addr2line_cache): New function.
8258         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8259         new cache-size argument to one_addr2line(), and clear cache.
8261 2008-04-28  Cary Coutant  <ccoutant@google.com>
8263         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8264         R_386_PC8 relocations.
8266 2008-04-23  Ian Lance Taylor  <iant@google.com>
8268         * object.cc (Sized_relobj::include_section_group): Check for
8269         invalid section group.
8271         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8272         header size.
8274         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8275         than read for file header.
8276         * archive.cc (Archive::include_member): Likewise.
8278 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8280         * aclocal.m4: Regenerate.
8281         * configure: Regenerate.
8283 2008-04-19  Ian Lance Taylor  <iant@google.com>
8285         * version.cc (version_string): Bump to 1.6.
8287         * testsuite/Makefile.am (many_sections_r_test): New target.
8288         (many_sections_r_test_SOURCES): Remove.
8289         (many_sections_r_test_DEPENDENCIES): Remove.
8290         (many_sections_r_test_LDFLAGS): Remove.
8291         (many_sections_r_test_LDADD): Remove.
8293         * object.cc (Sized_relobj::do_add_symbols): Always pass
8294         local_symbol_count_ to add_from_relobj.
8296         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8297         every thousand variables.
8298         * testsuite/Makefile.in: Rebuild.
8300         * object.cc (Xindex::initialize_symtab_xindex): New function.
8301         (Xindex::read_symtab_xindex): New function.
8302         (Xindex::sym_xindex_to_shndx): New function.
8303         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8304         available.
8305         (Sized_relobj::do_initialize_xindex): New function.
8306         (Sized_relobj::do_read_symbols): Adjust section links.
8307         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8308         parameter.  Change all callers.
8309         (Sized_relobj::include_section_group): Adjust section links and
8310         symbol section indexes.
8311         (Sized_relobj::do_layout): Adjust section links.
8312         (Sized_relobj::do_count_local_symbols): Adjust section links and
8313         symbol section indexes.
8314         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8315         ordinary and special symbols.
8316         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8317         dynsym_xindex parameters.  Change all callers.  Adjust section
8318         links.  Use SHN_XINDEX when needed.
8319         (Sized_relobj::get_symbol_location_info): Adjust section links.
8320         Don't get fooled by special symbols.
8321         * object.h (class Xindex): Define.
8322         (class Object): Add xindex_ parameter.  Declare virtual functoin
8323         do_initialize_xindex.
8324         (Object::adjust_sym_shndx): New function.
8325         (Object::set_xindex): New protected function.
8326         (class Symbol_value): Add is_ordinary_shndx_ field.
8327         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8328         (Symbol_value::value): Assert ordinary section.
8329         (Symbol_value::initialize_input_to_output_map): Likewise.
8330         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8331         Change all callers.
8332         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8333         all callers.
8334         (class Sized_relobj): Update declarations.
8335         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8336         parameter.  Change all callers.
8337         (Sized_relobj::adjust_shndx): New function.
8338         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8339         field.
8340         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8341         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8342         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8343         (Sized_dynobj::read_dynsym_section): Adjust section links.
8344         (Sized_dynobj::read_dynamic): Likewise.
8345         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8346         section links.
8347         (Sized_dynobj::do_initialize_xindex): New function.
8348         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8349         do_initialize_xindex.
8350         (Sized_dynobj::adjust_shndx): New function.
8351         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8352         dynsym_xindex_ fields.
8353         (Layout::finalize): Add a call to set_section_indexes before
8354         creating the symtab sections.
8355         (Layout::set_section_indexes): Don't do anything if the section
8356         already has a section index.
8357         (Layout::create_symtab_sections): Add shnum parameter.  Change
8358         caller.  Create .symtab_shndx section if needed.
8359         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8360         caller.
8361         (Layout::allocated_output_section_count): New function.
8362         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8363         needed.
8364         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8365         fields.  Update declarations.
8366         (Layout::symtab_xindex): New function.
8367         (Layout::dynsym_xindex): New function.
8368         (class Write_symbols_task): Add layout_ field.
8369         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8370         Change caller.
8371         * output.cc (Output_section_headers::Output_section_headers): Add
8372         shstrtab_section parameter.  Change all callers.
8373         (Output_section_headers::do_sized_write): Store overflow values
8374         for section count and section string table section index in
8375         section header zero.
8376         (Output_file_header::do_sized_write): Check for overflow of
8377         section count and section string table section index.
8378         (Output_symtab_xindex::do_write): New function.
8379         (Output_symtab_xindex::endian_do_write): New function.
8380         * output.h (class Output_section_headers): Add shstrtab_section_.
8381         Update declarations.
8382         (class Output_symtab_xindex): Define.
8383         (Output_section::has_out_shndx): New function.
8384         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8385         field.
8386         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8387         Change all callers.
8388         (Sized_symbol::init): Likewise.
8389         (Symbol::output_section): Check for ordinary symbol.
8390         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8391         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8392         callers.
8393         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8394         Change all callers.  Simplify handling of symbols from sections
8395         not included in the link.
8396         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8397         distinction.
8398         (Weak_alias_sorter::operator()): Assert that symbols are
8399         ordinary.
8400         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8401         distinction.
8402         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8403         parameters.  Change all callers.
8404         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8405         symbol distinction.  Use SHN_XINDEX when needed.
8406         (Symbol_table::write_section_symbol): Add symtab_xindex
8407         parameter.  Change all callers.
8408         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8409         SHN_XINDEX when needed.
8410         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8411         declarations.
8412         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8413         (Symbol::is_defined): Check is_ordinary.
8414         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8415         (Symbol::is_absolute, Symbol::is_common): Likewise.
8416         (class Sized_symbol): Update declarations.
8417         (class Symbol_table): Update declarations.
8418         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8419         parameters.  Change all callers.
8420         (Sized_symbol::override): Likewise.
8421         (Symbol_table::override): Likewise.
8422         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8423         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8424         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8425         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8426         to be in an ordinary section.
8427         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8428         object and is_ordinary parameters.  Change all callers.
8429         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8430         Change all callers.  Don't add undefined or non-ordinary symbols
8431         to reloc_map_.
8432         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8433         Change all callers.
8434         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8435         declarations.
8436         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8437         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8438         (Sized_relobj::relocate_sections): Likewise.
8439         * target-reloc.h (scan_relocs): Adjust section symbol index.
8440         (scan_relocatable_relocs): Likewise.
8441         * i386.cc (Scan::local): Check for ordinary symbols.
8442         * sparc.cc (Scan::local): Likewise.
8443         * x86_64.cc (Scan::local): Likewise.
8444         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8445         to symbol_section_and_value.
8446         * testsuite/many_sections_test.cc: New file.
8447         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8448         (check_PROGRAMS): Add many_sections_test.
8449         (many_sections_test_SOURCES): Define.
8450         (many_sections_test_DEPENDENCIES): Define.
8451         (many_sections_test_LDFLAGS): Define.
8452         (BUILT_SOURCES): Add many_sections_define.h.
8453         (many_sections_define.h): New target.
8454         (BUILT_SOURCES): Add many_sections_check.h.
8455         (many_sections_check.h): New target.
8456         (check_PROGRAMS): Add many_sections_r_test.
8457         (many_sections_r_test_SOURCES): Define.
8458         (many_sections_r_test_DEPENDENCIES): Define.
8459         (many_sections_r_test_LDFLAGS): Define.
8460         (many_sections_r_test_LDADD): Define.
8461         (many_sections_r_test.o): New target.
8462         * testsuite/Makefile.in: Rebuild.
8464 2008-04-17  Cary Coutant  <ccoutant@google.com>
8466         * errors.cc (Errors::info): New function.
8467         (gold_info): New function.
8468         * errors.h (Errors::info): New function.
8469         * gold.h (gold_info): New function.
8470         * object.cc (Input_objects::add_object): Print trace output.
8471         * options.cc (options::parse_set): New function.
8472         (General_options::parse_wrap): Deleted.
8473         (General_options::General_options): Deleted initializer.
8474         * options.h (options::String_set): New typedef.
8475         (options::parse_set): New function.
8476         (DEFINE_set): New macro.
8477         (General_options::wrap): Changed to use DEFINE_set. Changed
8478         callers of any_wrap_symbols and is_wrap_symbol.
8479         (General_options::trace, General_options::trace_symbol):
8480         New options.
8481         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8482         (General_options::wrap_symbols_): Deleted.
8483         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8485 2008-04-17  David S. Miller  <davem@davemloft.net>
8487         * options.cc (General_options::parse_V): New function.
8488         * options.h: Add entries for -V and -Qy.
8490 2008-04-17  Ian Lance Taylor  <iant@google.com>
8492         * common.cc (Symbol_table::allocate_commons): Remove options
8493         parameter.  Change caller.
8494         (Symbol_table::do_allocate_commons): Remove options parameter.
8495         Change caller.  Just call do_allocate_commons_list twice.
8496         (Symbol_table::do_allocate_commons_list): New function, broken out
8497         of do_allocate_commons.
8498         * common.h (class Allocate_commons_task): Remove options_ field.
8499         Update constructor.
8500         * symtab.cc (Symbol_table::Symbol_table): Initialize
8501         tls_commons_.
8502         (Symbol_table::add_from_object): Put TLS common symbols on
8503         tls_commons_ list.
8504         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8505         which are IN_OUTPUT_DATA.
8506         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8507         allocate_commons and do_allocate_commons declarations.  Declare
8508         do_allocate_commons_list.
8509         * gold.cc (queue_middle_tasks): Update creation of
8510         Allocate_commons_task to not pass options.
8511         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8512         (TLS_TEST_C_FLAGS): New variable.
8513         (tls_test_c_pic.o): New target.
8514         (tls_test_shared.so): Link in tls_test_c_pic.o.
8515         (tls_test_c_pic_ie.o): New target.
8516         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8517         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8518         (tls_test_c.o): New target.
8519         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8520         (tls_pic_test_LDADD): Likewise.
8521         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8522         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8523         (tls_test_c_gnu2.o): New target.
8524         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8525         tls_test_c_gnu2.o.
8526         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8527         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8528         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8529         * testsuite/tls_test.cc: Include "config.h".
8530         (t_last): Call t11_last.
8531         * testsuite/tls_test.h (t11, t11_last): Declare.
8532         * testsuite/tls_test_c.c: New file.
8533         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8534         * configure.ac: Check for OpenMP support.
8535         * configure, config.in, Makefile.in: Rebuild.
8536         * testsuite/Makefile.in: Rebuild.
8538 2008-04-16  Cary Coutant  <ccoutant@google.com>
8540         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8541         (Target_i386::tls_base_symbol_defined_): New field.
8542         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8543         (Target_i386::Scan::global): Likewise.
8544         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8545         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8546         (Target_x86_64::tls_base_symbol_defined_): New field.
8547         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8548         (Target_x86_64::Scan::global): Likewise.
8550 2008-04-16  Cary Coutant  <ccoutant@google.com>
8552         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8553         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8554         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8555         building shared libraries.
8556         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8557         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8558         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8559         * testsuite/Makefile.in: Rebuild.
8560         * testsuite/weak_undef.h: New file.
8561         * testsuite/weak_undef_file1.cc: Add extra test cases.
8562         * testsuite/weak_undef_file2.cc: Likewise.
8563         * testsuite/weak_undef_test.cc: Likewise.
8565 2008-04-16  David S. Miller  <davem@davemloft.net>
8567         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8568         Add issued_non_pic_error_ field.  Declare check_non_pic.
8569         (Target_sparc::Scan::check_non_pic): New function.
8570         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8571         (Target_sparc::Scan::global): Likewise.
8573         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8574         * configure: Rebuild.
8576         * options.h (DEFINE_enable): New macro.
8577         (new_dtags): New enable option.
8578         (initfirst, interpose, loadfltr, nodefaultlib,
8579         nodelete, nodlopen, nodump): New -z options.
8580         * layout.cc (Layout:finish_dynamic_section): If new
8581         dtags enabled, emit DT_RUNPATH.  Also, emit a
8582         DT_FLAGS_1 containing any specified -z flags.
8584 2008-04-16  Ian Lance Taylor  <iant@google.com>
8586         * copy-relocs.cc: New file.
8587         * copy-relocs.h: New file.
8588         * reloc.cc: Remove Copy_relocs code.
8589         * reloc.h: Likewise.
8590         * reloc-types.h (struct Reloc_types) [both versions]: Add
8591         get_reloc_addend_noerror.
8592         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8593         variants of add_global which take an addend which must be zero.
8594         * i386.cc: Include "copy-relocs.h".
8595         (class Target_i386): Change type of copy_relocs_ to variable,
8596         update initializer.
8597         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8598         Change all callers.
8599         (Target_i386::do_finalize_sections): Change handling of
8600         copy_relocs_.
8601         * sparc.cc: Include "copy-relocs.h".
8602         (class Target_sparc): Change type of copy_relocs_ to variable,
8603         update initializer.
8604         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8605         Change all callers.
8606         (Target_sparc::do_finalize_sections): Change handling of
8607         copy_relocs_.
8608         * x86_64.cc: Include "copy-relocs.h".
8609         (class Target_x86_64): Change type of copy_relocs_ to variable,
8610         update initializer.
8611         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8612         class.  Change all callers.
8613         (Target_x86_64::do_finalize_sections): Change handling of
8614         copy_relocs_.
8615         * Makefile.am (CCFILES): Add copy-relocs.cc.
8616         (HFILES): Add copy-relocs.h.
8618         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8620         * testsuite/script_test_4.sh: Permit leading zeroes.
8622 2008-04-15  Ian Lance Taylor  <iant@google.com>
8624         * script-sections.cc (Script_sections::create_segments): Use
8625         header_size_adjustment even when there is enough room for the
8626         headers.
8627         * testsuite/script_test_4.sh: New file.
8628         * testsuite/script_test_4.t: New file.
8629         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8630         (check_DATA): Add script_test_4.stdout.
8631         (MOSTLYCLEANFILES): Likewise.
8632         (script_test_4): New target.
8633         (script_test_4.stdout): New target.
8634         * testsuite/Makefile.in: Rebuild.
8636         * sparc.cc: Add definitions for Output_data_plt_sparc class
8637         constants.
8639 2008-04-14  David S. Miller  <davem@davemloft.net>
8641         * sparc.cc: New file.
8642         * Makefile.am (TARGETSOURCES): Add sparc.cc
8643         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8644         * configure.tgt: Document targ_extra_size and
8645         targ_extra_big_endian.  Add entries for sparc-* and
8646         sparc64-*.
8647         * configure.ac: Handle targ_extra_size and
8648         targ_extra_big_endian.
8649         * Makefile.in: Rebuild.
8650         * configure: Likewise.
8651         * po/POTFILES.in: Likewise.
8652         * po/gold.pot: Likewise.
8654 2008-04-14  Ian Lance Taylor  <iant@google.com>
8656         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8657         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8658         in the name/type/flags to section mapping.  Don't call
8659         allocate_output_section.
8660         (Layout::choose_output_section): Change parameter from adjust_name
8661         to is_input_section.  Don't permit input sections after sections
8662         are attached to segments.  Don't call allocate_output_section.
8663         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8664         not write_enable_output_section.
8665         (Layout::make_output_section): Don't push to
8666         unattached_section_list_ nor call attach_to_segment.  Call
8667         attach_section_to_segment if sections are attached.
8668         (Layout::attach_sections_to_segments): New function.
8669         (Layout::attach_section_to_segment): New function.
8670         (Layout::attach_allocated_section_to_segment): Rename from
8671         attach_to_segment.  Remove flags parameter.
8672         (Layout::allocate_output_section): Remove function.
8673         (Layout::write_enable_output_section): Remove function.
8674         * layout.h (class Layout): Update for above changes.  Add new
8675         field sections_are_attached_.
8676         * output.h (Output_section::update_flags_for_input_section): New
8677         function.
8678         * output.cc (Output_section::add_input_section): Call
8679         update_flags_for_input_section.
8680         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8682 2008-04-11  Cary Coutant  <ccoutant@google.com>
8684         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8685         thought unnecessary.
8686         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8688 2008-04-11  Ian Lance Taylor  <iant@google.com>
8690         * output.h (class Output_section_data): Remove inline definition
8691         of set_addralign.
8692         * output.cc (Output_section_data::set_addralign): New function.
8694 2008-04-11  Cary Coutant  <ccoutant@google.com>
8696         Add support for TLS descriptors for i386 and x86_64.
8697         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8698         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8699         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8700         GOT_TYPE_TLS_DESC.
8701         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8702         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8703         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8704         relocations.
8705         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8706         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8707         Fix problem with initial-exec relocations.
8708         (Target_i386::Relocate::relocate_tls): Likewise.
8709         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8710         relaxation.
8711         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8712         support for section-plus-offset dynamic table entries.
8713         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8714         (Output_data_dynamic::Dynamic_entry): Add support for
8715         section-plus-offset dynamic table entries.
8716         (Output_data_dynamic::Classification): Likewise.
8717         (Output_data_dynamic::classification_): Renamed offset_.
8718         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8719         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8720         (Target_x86_64::make_plt_section): New function.
8721         (Target_x86_64::reserve_tlsdesc_entries): New function.
8722         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8723         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8724         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8725         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8726         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8727         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8728         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8729         add extra PLT entry for TLS descriptors.
8730         (Output_data_plt_x86_64::got_): New field.
8731         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8732         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8733         fields.
8734         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8735         descriptors.
8736         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8737         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8738         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8739         R_386_TLS_DESC_CALL relocations.
8740         (Target_x86_64::Scan::global): Likewise.
8741         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8742         for TLS descriptors.
8743         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8744         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8745         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8746         GD-to-IE relaxation.
8747         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8748         and TLS_DESCRIPTORS.
8749         * Makefile.in: Rebuild.
8750         * configure: Rebuild.
8751         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8752         (tls_test_shared2.so): New target.
8753         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8754         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8755         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8756         (tls_shared_gd_to_ie_test_LDADD): New variable.
8757         (tls_shared_gnu2_gd_to_ie_test): New target.
8758         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8759         New targets.
8760         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8761         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8762         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8763         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8764         (tls_shared_gnu2_test): New target.
8765         (tls_test_gnu2_shared.so): New target.
8766         (tls_shared_gnu2_test_SOURCES): New variable.
8767         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8768         (tls_shared_gnu2_test_LDFLAGS): New variable.
8769         (tls_shared_gnu2_test_LDADD): New variable.
8770         * testsuite/Makefile.in: Rebuild.
8771         * testsuite/Makefile.
8773 2008-04-11  Ian Lance Taylor  <iant@google.com>
8775         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8776         justsyms.t.
8777         * testsuite/Makefile.in: Rebuild.
8779         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8780         long.
8781         * testsuite/script_test_2.cc (main): Adjust test.
8783 2008-04-11  David S. Miller  <davem@davemloft.net>
8784             Ian Lance Taylor  <iant@google.com>
8786         * options.h (General_options): Add entries for '-Y' and
8787         '-relax'.
8788         * options.cc (General_options:finalize): If -Y was used, add those
8789         entries to the library path instead of the default "/lib" and
8790         "/usr/lib".
8792 2008-04-11  David S. Miller  <davem@davemloft.net>
8794         * testsuite/justsyms.t: Start at 0x100.
8795         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8796         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8797         long.
8798         * testsuite/script_test_2.cc: Adjust string and section length
8799         checks.
8801 2008-04-09  Ian Lance Taylor  <iant@google.com>
8803         PR gold/5996
8804         * script-sections.cc (Sections_element::allocate_to_segment): Add
8805         orphan parameter.
8806         (Output_section_definition::allocate_to_segment): Likewise.
8807         (Orphan_output_section::allocate_to_segment): Likewise.
8808         (Script_sections::attach_sections_using_phdrs_clause): Don't
8809         propagate non-PT_LOAD segments to orphan sections.
8810         * testsuite/Makefile.am (script_test_3.stdout): Generate using
8811         readelf rather than objdump.
8812         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
8813         .interp section and PT_INTERP segment are the same size.
8814         * testsuite/Makefile.in: Rebuild.
8816         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8817         aliases for symbols defined in the same object.
8818         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8819         (weak_alias_test_SOURCES): New variable.
8820         (weak_alias_test_DEPENDENCIES): New variable.
8821         (weak_alias_test_LDFLAGS): New variable.
8822         (weak_alias_test_LDADD): New variable.
8823         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8824         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8825         (weak_alias_test_3.o): New target.
8826         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8827         * testsuite/weak_alias_test_main.cc: New file.
8828         * testsuite/weak_alias_test_1.cc: New file.
8829         * testsuite/weak_alias_test_2.cc: New file.
8830         * testsuite/weak_alias_test_3.cc: New file.
8832 2008-04-08  Ian Lance Taylor  <iant@google.com>
8834         * options.h (class General_options): Add --noinhibit-exec option.
8835         * main.cc (main): Check --noinhibit-exec.
8837         * options.h (class General_options): Define --wrap as a special
8838         option.  Add wrap_symbols_ field.
8839         (General_options::any_wrap_symbols): New function.
8840         (General_options::is_wrap_symbol): New function.
8841         * options.cc (General_options::parse_wrap): New function.
8842         (General_options::General_options): Initialize wrap_symbols_.
8843         * symtab.cc (Symbol_table::wrap_symbol): New function.
8844         (Symbol_table::add_from_object): Handle --wrap.
8845         * symtab.h (class Symbol_table): Declare wrap_symbol.
8846         * target.h (Target::wrap_char): New function.
8847         (Target::Target_info): Add wrap_char field.
8848         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8849         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8850         * testsuite/testfile.cc (Target_test::test_target_info):
8851         Likewise.
8853         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8854         there is one.
8856         * layout.h (class Layout): Add added_eh_frame_data_ field.
8857         * layout.cc (Layout::Layout): Initialize new field.
8858         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8859         output section until we find a section we merged successfully.
8860         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8861         that the size be non-zero.
8863         * merge.cc (Object_merge_map::get_output_offset): Remove inline
8864         qualifier.
8866 2008-04-08  Craig Silverstein  <csilvers@google.com>
8868         * configure.ac: Export new conditional variable HAVE_ZLIB.
8869         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8870         on HAVE_ZLIB.
8871         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8872         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8874 2008-04-07  Ian Lance Taylor  <iant@google.com>
8876         * version.cc (version_string): Set to "1.5".
8878         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8879         Add issued_non_pic_error_ field.  Declare check_non_pic.
8880         (Target_x86_64::Scan::check_non_pic): New function.
8881         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8882         (Target_x86_64::Scan::global): Likewise.
8884         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8885         addend parameter.  Change caller.  Handle merge sections.
8886         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8887         Address to Addend.  Don't add in the result of
8888         local_section_offset, pass down the addend and use the returned
8889         value.
8890         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8891         Update declarations of local_section_offset and symbol_value.
8892         * testsuite/two_file_test_1.cc (t18): New function.
8893         * testsuite/two_file_test_2.cc (f18): New function.
8894         * testsuite/two_file_test_main.cc (main): Call t18.
8895         * testsuite/two_file_test.h (t18, f18): Declare.
8897         * configure.ac: Don't test for objdump, c++filt, or readelf.
8898         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8899         conditionals.
8900         (TEST_READELF): New variable.
8901         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8902         (check_PROGRAMS): Add two_file_strip_test.
8903         (two_file_strip_test): New target.
8904         (check_PROGRAMS): Add two_file_same_shared_strip_test.
8905         (two_file_same_shared_strip_test_SOURCES): New variable.
8906         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8907         (two_file_same_shared_strip_test_LDFLAGS): New variable.
8908         (two_file_same_shared_strip_test_LDADD): New variable.
8909         (two_file_shared_strip.so): New target.
8910         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8911         (ver_test_5.syms, ver_test_7.syms): Likewise.
8912         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8913         (strip_test_3.stdout): Use TEST_OBJDUMP.
8914         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8916 2008-04-04  Cary Coutant  <ccoutant@google.com>
8918         * symtab.h (Symbol::is_weak_undefined): New function.
8919         (Symbol::is_strong_undefined): New function.
8920         (Symbol::is_absolute): New function.
8921         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8922         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8923         absolute symbols.
8924         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8925         (weak_undef_test): New target.
8926         * testsuite/Makefile.in: Rebuild.
8927         * testsuite/weak_undef_file1.cc: New file.
8928         * testsuite/weak_undef_file2.cc: New file.
8929         * testsuite/weak_undef_test.cc: New file.
8931 2008-04-03  Craig Silverstein  <csilvers@google.com>
8933         * compressed_output.h (class Output_compressed_section): Use
8934         unsigned buffer.
8935         * compressed_output.cc (zlib_compress): Use unsigned buffers,
8936         add zlib header.
8937         (zlib_compressed_suffix): Removed.
8938         (Output_compressed_section::set_final_data_size): Use unsigned
8939         buffers.
8940         * testsuite/Makefile.am (flagstest_compress_debug_sections):
8941         Fix linker invocation.
8942         (flagstest_o_specialfile_and_compress_debug_sections):
8943         Likewise.
8944         * testsuite/Makefile.in: Regenerated.
8946 2008-04-02  David S. Miller  <davem@davemloft.net>
8948         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8949         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8951 2008-04-02  Craig Silverstein  <csilvers@google.com>
8953         * TODO: New file.
8955 2008-04-02  Ian Lance Taylor  <iant@google.com>
8957         * fileread.cc (File_read::find_view): Add byteshift and vshifted
8958         parameters.  Update for new key type to views_.  Change all
8959         callers.
8960         (File_read::read): Adjust for byteshift in returned view.
8961         (File_read::add_view): New function, broken out of
8962         find_and_make_view.
8963         (File_read::make_view): New function, broken out of
8964         find_and_make_view.
8965         (File_read::find_or_make_view): Add offset and aligned
8966         parameters.  Rewrite accordingly.  Change all callers.
8967         (File_read::get_view): Add offset and aligned parameters.  Adjust
8968         for byteshift in return value.
8969         (File_read::get_lasting_view): Likewise.
8970         * fileread.h (class File_read): Update declarations.
8971         (class File_read::View): Add byteshift_ field.  Add byteshift to
8972         constructor.  Add byteshift method.
8973         * archive.h (Archive::clear_uncached_views): New function.
8974         (Archive::get_view): Add aligned parameter.  Change all callers.
8975         * object.h (Object::get_view): Add aligned parameter.  Change all
8976         callers.
8977         (Object::get_lasting_view): Likewise.
8979         * fileread.cc (File_read::release): Don't call clear_views if
8980         there are multiple objects.
8981         * fileread.h (File_read::clear_uncached_views): New function.
8982         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8983         on the archive.
8985 2008-03-31  Cary Coutant  <ccoutant@google.com>
8987         Add thin archive support.
8988         * archive.cc (Archive::armagt): New const.
8989         (Archive::setup): Remove task parameter and calls to unlock.
8990         (Archive::unlock_nested_archives): New function.
8991         (Archive::read_header): Add nested_off parameter. Change
8992         all callers.
8993         (Archive::interpret_header): Likewise.
8994         (Archive::include_all_members): Change to handle thin
8995         archives.
8996         (Archive::include_member): Likewise.
8997         * archive.h (Archive::Archive): Add new parameters and
8998         initializers.
8999         (Archive::armagt): New const.
9000         (Archive::setup): Remove task parameter.
9001         (Archive::unlock_nested_archives): New function.
9002         (Archive::read_header): Add nested_off parameter.
9003         (Archive::interpret_header): Likewise.
9004         (Archive::Nested_archive_table): New typedef.
9005         (Archive::is_thin_archive_): New field.
9006         (Archive::nested_archives_): New field.
9007         (Archive::options_): New field.
9008         (Archive::dirpath_): New field.
9009         (Archive::task_): New field.
9010         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9011         for thin archives.  Pass additional parameters to
9012         Archive::Archive.  Unlock the archive file after calling
9013         Archive::setup.
9015 2008-03-29  Ian Lance Taylor  <iant@google.com>
9017         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9018         version symbol to be local.
9019         * testsuite/ver_test_4.sh: New file.
9020         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9021         (check_DATA): Add ver_test_4.syms.
9022         (ver_test_4.syms): New target.
9023         * testsuite/Makefile.in: Rebuild.
9025         * output.cc
9026         (Output_section::Input_section_sort_entry::has_priority): New
9027         function.
9028         (Output_section::Input_section_sort_entry::match_file_name): New
9029         function.
9030         (Output_section::Input_section_sort_entry::match_section_name):
9031         Remove.
9032         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9033         Remove.
9034         (Output_section::Input_section_sort_entry::match_section_file):
9035         Remove.
9036         (Output_section::Input_section_sort_compare::operator()): Rewrite
9037         using new Input_section_sort_entry functions.  Sort crtbegin and
9038         crtend first.  Sort sections with no priority before sections with
9039         a priority.
9040         * testsuite/initpri1.c (d3): Check j != 4.
9041         (cd5): New constructor/destructor function.
9042         (main): Check j != 2.
9044         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9045         new symbol when resolving, don't call set_is_default.
9046         * testsuite/ver_test_7.cc: New file.
9047         * testsuite/ver_test_7.sh: New file.
9048         * testsuite/Makefile.am (ver_test_7.so): New target.
9049         (ver_test_7.o): New target.
9050         (check_SCRIPTS): Add ver_test_7.sh.
9051         (check_DATA): Add ver_test_7.syms.
9052         (ver_test_7.syms): New target.
9054 2008-03-28  Ian Lance Taylor  <iant@google.com>
9056         * layout.cc (Layout::layout): If we see an input section with a
9057         name that needs sorting, set the must_sort flag for the output
9058         section.
9059         (Layout::make_output_section): If the name of the output section
9060         indicates that it might require sorting, set the may_sort flag.
9061         * output.h (Output_section::may_sort_attached_input_sections): New
9062         function.
9063         (Output_section::set_may_sort_attached_input_sections): New
9064         function.
9065         (Output_section::must_sort_attached_input_sections): New
9066         function.
9067         (Output_section::set_must_sort_attached_input_sections): New
9068         function.
9069         (class Output_section): Declare Input_section_sort_entry.  Define
9070         Input_section_sort_compare.  Declare
9071         sort_attached_input_sections.  Add new fields:
9072         may_sort_attached_input_sections_,
9073         must_sort_attached_input_sections_,
9074         attached_input_sections_are_sorted_.
9075         * output.cc (Output_section::Output_section): Initialize new
9076         fields.
9077         (Output_section::add_input_section): Add an entry to
9078         input_sections_ if may_sort or must_sort are true.
9079         (Output_section::set_final_data_size): Call
9080         sort_attached_input_sections if necessary.
9081         (Output_section::Input_section_sort_entry): Define new class.
9082         (Output_section::Input_section_sort_compare::operator()): New
9083         function.
9084         (Output_section::sort_attached_input_sections): New function.
9085         * configure.ac: Check whether the compiler supports constructor
9086         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9087         * testsuite/initpri1.c: New file.
9088         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9089         CONSTRUCTOR_PRIORITY.
9090         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9091         (initpri1_LDFLAGS): New variable.
9092         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9094 2008-03-27  Ian Lance Taylor  <iant@google.com>
9096         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9097         * testsuite/common_test_1.c: New file.
9098         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9099         (common_test_1_SOURCES): New variable.
9100         (common_test_1_DEPENDENCIES): New variable.
9101         (common_test_1_LDFLAGS): New variable.
9103         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9104         and commons_ correctly when NAME/VERSION does not override
9105         NAME/NULL.
9106         * testsuite/ver_test_6.c: New file.
9107         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9108         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9109         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9111 2008-03-26  Ian Lance Taylor  <iant@google.com>
9113         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9114         of an undefined symbol from a version script.
9115         * testsuite/Makefile.am (ver_test_5.so): New target.
9116         (ver_test_5.o): New target.
9117         (check_SCRIPTS): Add ver_test_5.sh.
9118         (check_DATA): Add ver_test_5.syms.
9119         (ver_test_5.syms): New target.
9120         * testsuite/ver_test_5.cc: New file.
9121         * testsuite/ver_test_5.script: New file.
9122         * testsuite/ver_test_5.sh: New file.
9123         * Makefile.in, testsuite/Makefile.in: Rebuild.
9125         PR gold/5986
9126         Fix problems building gold with gcc 4.3.0.
9127         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9128         (gold_error_at_location, gold_warning_at_location): Use it.
9129         * configure.ac: Check whether we can compile and use a template
9130         function with a printf attribute.
9131         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9132         when jumping over bytes.
9133         * object.cc: Instantiate Object::read_section_data.
9134         * debug.h: Include <cstring>
9135         * dwarf_reader.cc: Include <algorithm>
9136         * main.cc: Include <cstring>.
9137         * options.cc: Include <cstring>.
9138         * output.cc: Include <cstring>.
9139         * script.cc: Include <cstring>.
9140         * script.h: Include <string>.
9141         * symtab.cc: Include <cstring> and <algorithm>.
9142         * target-select.cc: Include <cstring>.
9143         * version.cc: Include <string>.
9144         * testsuite/testmain.cc: Include <cstdlib>.
9145         * configure, config.in: Rebuild.
9147 2008-03-25  Ian Lance Taylor  <iant@google.com>
9149         * options.cc: Include "../bfd/bfdver.h".
9150         (options::help): Print bug reporting address.
9152         * version.cc (print_version): Adjust output for current value of
9153         BFD_VERSION_STRING.
9155         * NEWS: New file.
9157         * options.cc (options::help): Print list of supported targets.
9158         * target-select.h: Include <vector>.
9159         (class Target_selector): Make machine_, size_, and is_big_endian_
9160         fields const.  Add bfd_name_ and instantiated_target_ fields.
9161         (Target_selector::Target_selector): Add bfd_name parameter.
9162         (Target_selector::recognize): Make non-virtual, call
9163         do_recognize.
9164         (Target_selector::recognize_by_name): Make non-virtual, call
9165         do_recognize_by_name.
9166         (Target_selector::supported_names): New function.
9167         (Target_selector::bfd_name): New function.
9168         (Target_selector::do_instantiate_target): New pure virtual
9169         function.
9170         (Target_selector::do_recognize): New virtual function.
9171         (Target_selector::do_recognize_by_name): New virtual function.
9172         (Target_selector::instantiate_target): New private function.
9173         (supported_target_names): Declare.
9174         * target-select.cc (Target_selector::Target_selector): Update for
9175         new parameter and fields.
9176         (select_target_by_name): Check that the name matches before
9177         calling recognize_by_name.
9178         (supported_target_names): New function.
9179         * i386.cc (class Target_selector_i386): Update Target_selector
9180         constructor call.  Remove recognize and recognize_by_name.  Add
9181         do_instantiate_target.
9182         * x86_64.cc (class Target_selector_x86_64): Likewise.
9183         * testsuite/testfile.cc (class Target_selector_test): Update for
9184         changes to Target_selector.
9186         * README: Rewrite, with some notes on unsupported features.
9188 2008-03-24  Cary Coutant  <ccoutant@google.com>
9190         * i386.cc (Target_i386::Got_type): New enum declaration.
9191         (Target_i386::Scan::local): Updated callers of Output_data_got
9192         member functions.
9193         (Target_i386::Scan::global): Likewise.
9194         (Target_i386::Relocate::relocate): Likewise.
9195         (Target_i386::Relocate::relocate_tls): Likewise.
9196         * object.h (Got_offset_list): New class.
9197         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9198         (Sized_relobj::local_got_offset): Likewise.
9199         (Sized_relobj::set_local_got_offset): Likewise.
9200         (Sized_relobj::local_has_tls_got_offset): Removed.
9201         (Sized_relobj::local_tls_got_offset): Removed.
9202         (Sized_relobj::set_local_tls_got_offset): Removed.
9203         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9204         * output.cc (Output_data_got::add_global): Added got_type parameter.
9205         (Output_data_got::add_global_with_rel): Likewise.
9206         (Output_data_got::add_global_with_rela): Likewise.
9207         (Output_data_got::add_global_pair_with_rel): New function.
9208         (Output_data_got::add_global_pair_with_rela): New function.
9209         (Output_data_got::add_local): Added got_type parameter.
9210         (Output_data_got::add_local_with_rel): Likewise.
9211         (Output_data_got::add_local_with_rela): Likewise.
9212         (Output_data_got::add_local_pair_with_rel): New function.
9213         (Output_data_got::add_local_pair_with_rela): New function.
9214         (Output_data_got::add_global_tls): Removed.
9215         (Output_data_got::add_global_tls_with_rel): Removed.
9216         (Output_data_got::add_global_tls_with_rela): Removed.
9217         (Output_data_got::add_local_tls): Removed.
9218         (Output_data_got::add_local_tls_with_rel): Removed.
9219         (Output_data_got::add_local_tls_with_rela): Removed.
9220         * output.h (Output_data_got::add_global): Added got_type parameter.
9221         (Output_data_got::add_global_with_rel): Likewise.
9222         (Output_data_got::add_global_with_rela): Likewise.
9223         (Output_data_got::add_global_pair_with_rel): New function.
9224         (Output_data_got::add_global_pair_with_rela): New function.
9225         (Output_data_got::add_local): Added got_type parameter.
9226         (Output_data_got::add_local_with_rel): Likewise.
9227         (Output_data_got::add_local_with_rela): Likewise.
9228         (Output_data_got::add_local_pair_with_rel): New function.
9229         (Output_data_got::add_local_pair_with_rela): New function.
9230         (Output_data_got::add_global_tls): Removed.
9231         (Output_data_got::add_global_tls_with_rel): Removed.
9232         (Output_data_got::add_global_tls_with_rela): Removed.
9233         (Output_data_got::add_local_tls): Removed.
9234         (Output_data_got::add_local_tls_with_rel): Removed.
9235         (Output_data_got::add_local_tls_with_rela): Removed.
9236         * resolve.cc (Symbol::override_base_with_special): Removed
9237         reference to has_got_offset_ field.
9238         * symtab.cc (Symbol::init_fields): Replaced initialization
9239         of got_offset_ with got_offsets_.  Removed initialization
9240         of has_got_offset_
9241         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9242         (Symbol::got_offset): Likewise.
9243         (Symbol::set_got_offset): Likewise.
9244         (Symbol::has_tls_got_offset): Removed.
9245         (Symbol::tls_got_offset): Removed.
9246         (Symbol::set_tls_got_offset): Removed.
9247         (Symbol::got_offset_): Removed.
9248         (Symbol::tls_mod_got_offset_): Removed.
9249         (Symbol::tls_pair_got_offset_): Removed.
9250         (Symbol::got_offsets_): New field.
9251         (Symbol::has_got_offset): Removed.
9252         (Symbol::has_tls_mod_got_offset): Removed.
9253         (Symbol::has_tls_pair_got_offset): Removed.
9254         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9255         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9256         member functions.
9257         (Target_x86_64::Scan::global): Likewise.
9258         (Target_x86_64::Relocate::relocate): Likewise.
9259         (Target_x86_64::Relocate::relocate_tls): Likewise.
9261 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9263         * yyscript.y: Fix spelling error in comment.
9265 2008-03-24  Ian Lance Taylor  <iant@google.com>
9267         * options.h (class General_options): Define build_id option.
9268         * layout.h (class Layout): Declare write_build_id, create_note,
9269         create_build_id.  Add build_id_note_ member.
9270         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9271         "libiberty.h", "md5.h", "sha1.h".
9272         (Layout::Layout): Initialize eh_frame_data_,
9273         eh_frame_hdr_section_, and build_id_note_.
9274         (Layout::finalize): Call create_build_id.
9275         (Layout::create_note): New function, broken out of
9276         Layout::create_gold_note.
9277         (Layout::create_gold_note): Call create_note.
9278         (Layout::create_build_id): New function.
9279         (Layout::write_build_id): New function.
9280         (Close_task_runner::run): Call write_build_id.
9282         * x86_64.cc: Correct license to GPLv3.
9284 2008-03-23  Ian Lance Taylor  <iant@google.com>
9286         * options.cc: Include "demangle.h".
9287         (parse_optional_string): New function.
9288         (parse_long_option): Handle takes_optional_argument.
9289         (parse_short_option): Update dash_z initializer.  Handle
9290         takes_optional_argument.
9291         (General_options::General_options): Initialize do_demangle_.
9292         (General_options::finalize): Set do_demangle_.  Handle demangling
9293         style.
9294         * options.h (parse_optional_string): Declare.
9295         (struct One_option): Add optional_arg field.  Update constructor.
9296         Update call constructor calls.  Add takes_optional_argument
9297         function.
9298         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9299         (DEFINE_optional_string): Define.
9300         (General_options::demangle): Change from DEFINE_bool to
9301         DEFINE_optional_string.
9302         (General_options::no_demangle): New function.
9303         (General_options::do_demangle): New function.
9304         (General_options::set_do_demangle): New function.
9305         (General_options::execstack_status_): Move definition to end of
9306         class definition.
9307         (General_options::static_): Likewise.
9308         (General_options::do_demangle_): New field.
9309         * object.cc (big_endian>::get_symbol_location_info): Call
9310         Options::do_demangle, not Options::demangle.
9311         * symtab.cc (demangle): Likewise.
9313 2008-03-22  Ian Lance Taylor  <iant@google.com>
9315         * gold.h: Include <cstddef> and <sys/types.h>
9316         * options.h: Include <cstring>.
9318 2008-03-21  Ian Lance Taylor  <iant@google.com>
9320         * Added source code to GNU binutils.