gas: blackfin: clarify some errors with register usage in insns
[binutils.git] / gold / ChangeLog
blobfa478b42527c3fb8db63e81d6f4246825e136d5d
1 2010-09-17  Ian Lance Taylor  <iant@google.com>
3         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4         * testsuite/Makefile.am (memory_test.o): New target.
5         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
6         memory_test.t.
7         * testsuite/Makefile.in: Rebuild.
9 2010-09-17  Doug Kwan  <dougkwan@google.com>
11         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
12         defintion if relocation uses GOT entries of the symbol.
13         * testsuite/icf_safe_test.sh: Fix test.
14         * testsuite/icf_safe_so_test.sh: Fix test.
16 2010-09-16  Cary Coutant  <ccoutant@google.com>
18         * script_sections.cc (class Memory_region): Remove "NULL" from
19         vector initializations.
21 2010-09-15  Cary Coutant  <ccoutant@google.com>
23         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
24         Resolve forwarding symbols.
26 2010-09-15  Doug Kwan  <dougkwan@google.com>
28         * gold/testsuite/script_test_3.t: Add ARM special sections.
29         * gold/testsuite/script_test_4.t: Same.
30         * gold/testsuite/script_test_5.t: Same.
31         * gold/testsuite/script_test_6.t: Same.
32         * gold/testsuite/script_test_7.t: Same.
33         * gold/testsuite/script_test_7.t: Same.
34         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
36 2010-09-14  Cary Coutant  <ccoutant@google.com>
38         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
39         (Target_x86_64::Relocate::relocate_tls): Replace check for
40         saw_tls_block_reloc_ with test for executable section.
42 2010-09-12  Cary Coutant  <ccoutant@google.com>
44         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
45         position-independent executables to shared libraries need dynamic
46         relocations.
47         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
48         position-independent executables.
49         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
50         * testsuite/Makefile.in: Regenerate.
52 2010-09-10  Nick Clifton  <nickc@redhat.com>
54         PR gold/11997
55         * testsuite/memory_test.t: Discard any sections that are not
56         needed.
58 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
60         PR gold/11996
61         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
62         "This::" to work around a bug in gcc 4.2.
64         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
66 2010-09-09  Rafael Espindola  <espindola@google.com>
68         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
69         sections with different PF_X flags in the same segment.
70         (Layout::find_first_load_seg): Search all segments to find the first
71         one.
72         * options.h (rosegment): New.
74 2010-09-08  Rafael Espindola  <espindola@google.com>
76         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
78 2010-09-08  Doug Kwan  <dougkwan@google.com>
80         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
81         (Arm_relobj::do_relocate_sections): Add new parameter for output
82         file to match the parent.
83         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
84         of local symbols instead of input values.  Update code to track
85         changes in gold::relocate_section.
86         * object.cc (Sized_relobj::compute_final_local_value): New methods.
87         (Sized_relobj::compute_final_local_value_internal): New methods.
88         (Sized_relobj::do_finalize_local_symbols): Move code from loop
89         body into private version of Sized_relobj::compute_final_local_value.
90         Call the inline method.
91         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
92         merged symbol value if there is one.
93         (Symbol_value::has_output_value): New method defintiion.
94         (Sized_relobj::Compute_final_local_value_status): New enum type.
95         (Sized_relobj::compute_final_local_value): New methods.
96         (Sized_relobj::compute_final_local_value_internal): New methods.
97         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
98         and arm_cortex_a8.sh.
99         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
100         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
101         New tests.
102         * Makefile.in: Regenerate.
103         * testsuite/arm_bl_out_of_range.s: Update test.
104         * testsuite/thumb_bl_out_of_range.s: Ditto.
105         * testsuite/thumb_blx_out_of_range.s: Ditto.
106         * testsuite/arm_branch_out_of_range.sh: New file.
107         * testsuite/arm_cortex_a8.sh: Ditto.
108         * testsuite/arm_cortex_a8_b.s: Ditto.
109         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
110         * testsuite/arm_cortex_a8_b_local.s: Ditto.
111         * testsuite/arm_cortex_a8_bl.s: Ditto.
112         * testsuite/arm_cortex_a8_blx.s: Ditto.
113         * testsuite/arm_cortex_a8_local.s: Ditto.
114         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
115         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
117 2010-09-08  Rafael Espindola  <espindola@google.com>
119         * Makefile.am (memory_test.stdout): Run readelf with -W.
120         * Makefile.in: Regenerate.
121         * testsuite/memory_test.sh: Make the regexps accept both 32 and
122         64 bit output.
124 2010-09-08  Rafael Espindola  <espindola@google.com>
126         * script-sections.cc (Script_sections::add_memory_region): Convert
127         field precision to int.
128         * script.cc (script_set_section_region, script_set_section_region):
129         Convert field precision to int.
131 2010-09-08  Rafael Espindola  <espindola@google.com>
133         * arm.cc (do_finalize_sections): Create the __exidx_start and
134         __exdix_end symbols even when the section is missing.
136 2010-09-08  Nick Clifton  <nickc@redhat.com>
138         * README: Remove claim that MEMORY is not supported.
139         * expression.cc (script_exp_function_origin)
140         (script_exp_function_length): Move from here to ...
141         * script.cc: ... here.
142         (script_set_section_region, script_add_memory)
143         (script_parse_memory_attr, script_include_directive): New
144         functions.
145         * script-sections.cc
146         (class Memory_region): New class.
147         (class Output_section_definition): Add set_memory_region,
148         set_section_vma, set_section_lma and get_section_name methods.
149         (class Script_Sections): Add add_memory_region,
150         find_memory_region, find_memory_region_origin,
151         find_memory_region_length and set_memory_region methods.
152         Have set_section_addresses method walk the list of set memory
153         regions.
154         Extend the print methos to display memory regions.
155         * script-sections.h: Add prototypes for new methods.
156         Add enum for MEMORY region attributes.
157         * yyscript.y: Add support for parsing MEMORY regions.
158         * script-c.h: Add prototypes for new functions.
159         * testsuite/Makefile.am: Add test of MEMORY region functionality.
160         * testsuite/Makefile.in: Regenerate.
161         * testsuite/memory_test.sh: New script.
162         * testsuite/memory_test.s: New assembler source file.
163         * testsuite/memory_test.t: New linker script.
165 2010-08-27  Doug Kwan  <dougkwan@google.com>
167         * gold/resolve.cc (Symbol_table::should_override): Let a weak
168         reference override an existing dynamic weak reference.
169         * testsuite/Makefile.am: Add new test dyn_weak_ref.
170         * testsuite/Makefile.in: Regenerate.
171         * testsuite/dyn_weak_ref.sh: New file.
172         * testsuite/dyn_weak_ref_1.c: Ditto.
173         * testsuite/dyn_weak_ref_2.c: Ditto.
175 2010-08-27  Ian Lance Taylor  <iant@google.com>
177         * incremental.h (class Incremental_input_entry): Add virtual
178         destructor.
180 2010-08-27  Ian Lance Taylor  <iant@google.com>
182         * testsuite/start_lib_test_3.c: Mark t3 as used.
184 2010-08-27  Nick Clifton  <nickc@redhat.com>
186         * options.cc (version_script): Fix small typo in previous
187         whitespace tidyup.
189 2010-08-25  Nick Clifton  <nickc@redhat.com>
191         * archive.cc: Formatting fixes: Remove whitespace between
192         typename and following asterisk.  Remove whitespace between
193         function name and opening parenthesis.
194         * archive.h: Likewise.
195         * arm.cc: Likewise.
196         * attributes.cc: Likewise.
197         * attributes.h: Likewise.
198         * common.cc: Likewise.
199         * copy-relocs.cc: Likewise.
200         * dirsearch.h: Likewise.
201         * dynobj.cc: Likewise.
202         * ehframe.cc: Likewise.
203         * ehframe.h: Likewise.
204         * expression.cc: Likewise.
205         * fileread.cc: Likewise.
206         * fileread.h: Likewise.
207         * gc.h: Likewise.
208         * gold-threads.cc: Likewise.
209         * gold.cc: Likewise.
210         * i386.cc: Likewise.
211         * icf.h: Likewise.
212         * incremental-dump.cc: Likewise.
213         * incremental.cc: Likewise.
214         * layout.cc: Likewise.
215         * layout.h: Likewise.
216         * main.cc: Likewise.
217         * merge.cc: Likewise.
218         * merge.h: Likewise.
219         * object.cc: Likewise.
220         * object.h: Likewise.
221         * options.cc: Likewise.
222         * options.h: Likewise.
223         * output.cc: Likewise.
224         * output.h: Likewise.
225         * plugin.cc: Likewise.
226         * plugin.h: Likewise.
227         * powerpc.cc: Likewise.
228         * reloc.cc: Likewise.
229         * script-c.h: Likewise.
230         * script-sections.cc: Likewise.
231         * script.cc: Likewise.
232         * stringpool.cc: Likewise.
233         * symtab.cc: Likewise.
234         * symtab.h: Likewise.
235         * target.cc: Likewise.
236         * timer.cc: Likewise.
237         * timer.h: Likewise.
238         * version.cc: Likewise.
239         * x86_64.cc: Likewise.
241 2010-08-24  Nick Clifton  <nickc@redhat.com>
243         PR 11899
244         * layout.cc (segment_precedes): Sort segments by their physical
245         addresses, if they have been set.
247 2010-08-23  Cary Coutant  <ccoutant@google.com>
249         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
250         symbols data.
251         (Lib_group::include_member): Unlock object after deleting its
252         symbols data.
253         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
254         the bug fixed here.
256 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
257             Cary Coutant  <ccoutant@google.com>
259         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
260         constructor, and set_blocker.
261         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
262         readsyms_blocker_.
263         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
264         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
265         * testsuite/Makefile.am (start_lib_test): New test case.
266         * testsuite/Makefile.in: Regenerate.
267         * testsuite/start_lib_test_main.c: New file.
268         * testsuite/start_lib_test_1.c: New file.
269         * testsuite/start_lib_test_2.c: New file.
270         * testsuite/start_lib_test_3.c: New file.
272 2010-08-19  Ian Lance Taylor  <iant@google.com>
274         * Makefile.in: Rebuild with automake 1.11.1.
275         * aclocal.m4: Likewise.
276         * testsuite/Makefile.in: Likewise.
278 2010-08-19  Ian Lance Taylor  <iant@google.com>
280         PR 10893
281         * i386.cc (class Output_data_plt_i386): Update declarations.
282         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
283         local_ifuncs_ fields.
284         (Target_i386::do_plt_section_for_global): New function.
285         (Target_i386::do_plt_section_for_local): New function.
286         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
287         parameter; change all callers.  Initialize global_ifuncs_ and
288         local_ifuncs_.  If doing a static link define __rel_iplt_start and
289         __rel_iplt_end.
290         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
291         (Output_data_plt_i386::add_local_ifunc_entry): New function.
292         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
293         symbols.
294         (Target_i386::make_plt_section): New function, broken out of
295         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
296         (Target_i386::make_plt_entry): Call make_plt_section.
297         (Target_i386::make_local_ifunc_plt_entry): New function.
298         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
299         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
300         R_386_IRELATIVE to switch.
301         (Target_i386::Scan::global): Likewise.
302         (Target_i386::Relocate::relocate): Likewise.
303         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
304         switch.
305         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
306         (Target_x86_64::do_plt_section_for_global): New function.
307         (Target_x86_64::do_plt_section_for_local): New function.
308         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
309         parameter; change all callers.  If doing a static link define
310         __rela_iplt_start and __rela_iplt_end.
311         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
312         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
313         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
314         to point to .plt.
315         (Target_x86_64::make_local_ifunc_plt_entry): New function.
316         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
317         switch.
318         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
319         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
320         R_X86_64_IRELATIVE to switch.
321         (Target_x86_64::Scan::global): Likewise.
322         (Target_x86_64::Relocate::relocate): Likewise.
323         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
324         switch.
325         * target.h (class Target): Add plt_section_for_global and
326         plt_section_for_local functions.  Add do_plt_section_for_global
327         and do_plt_section_for_local virtual functions.
328         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
329         clarifying comments.
330         (Symbol::use_plt_offset): Handle IFUNC symbol.
331         * object.cc (Sized_relobj::Sized_relobj): Initialize
332         local_plt_offsets_.
333         (Sized_relobj::local_has_plt_offset): New function.
334         (Sized_relobj::local_plt_offset): New function.
335         (Sized_relobj::set_local_plt_offset): New function.
336         (Sized_relobj::do_count): Handle IFUNC symbol.
337         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
338         a bit away from input_shndx_ field.  Add set_is_func_symbol and
339         is_ifunc_symbol functions.
340         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
341         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
342         local_plt_offsets_ field.
343         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
344         * output.h (class Output_section_data): Add non-const
345         output_section function.
346         (class Output_data_got): Update declarations.
347         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
348         Add use_plt_offset parameter to global and local constructors.
349         Change all callers.  Change local_sym_index_ field to 31 bits.
350         Change GSYM_CODE and CONSTANT_CODE accordingly.
351         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
352         doing a static link don't set sh_link field.
353         (Output_data_got::Got_entry::write): Use PLT offset if
354         appropriate.
355         (Output_data_got::add_global_plt): New function.
356         (Output_data_got::add_local_plt): New function.
357         * target-reloc.h (relocate_section): Handle IFUNC symbol.
358         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
359         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
360         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
361         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
362         IFUNC conditional.
363         * testsuite/ifunc-sel.h: New file.
364         * testsuite/ifuncmain1.c: New file.
365         * testsuite/ifuncmain1vis.c: New file.
366         * testsuite/ifuncmod1.c: New file.
367         * testsuite/ifuncdep2.c: New file.
368         * testsuite/ifuncmain2.c: New file.
369         * testsuite/ifuncmain3.c: New file.
370         * testsuite/ifuncmod3.c: New file.
371         * testsuite/ifuncmain4.c: New file.
372         * testsuite/ifuncmain5.c: New file.
373         * testsuite/ifuncmod5.c: New file.
374         * testsuite/ifuncmain6pie.c: New file.
375         * testsuite/ifuncmod6.c: New file.
376         * testsuite/ifuncmain7.c: New file.
377         * configure, testsuite/Makefile.in: Rebuild.
379 2010-08-18  Ian Lance Taylor  <iant@google.com>
381         * incremental.cc
382         (Output_section_incremental_inputs::write_input_files): Add cast
383         to avoid signed/unsigned comparison warning.
384         (Output_section_incremental_inputs::write_info_blocks): Likewise.
386 2010-08-12  Cary Coutant  <ccoutant@google.com>
388         * common.cc (Sort_commons::operator()): Remove unnecessary code.
390 2010-08-13  Ian Lance Taylor  <iant@google.com>
392         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
394 2010-08-12  Cary Coutant  <ccoutant@google.com>
395             Doug Kwan  <dougkwan@google.com>
397         * resolve.cc (Symbol_table::should_override): When a weak dynamic
398         defintion overrides non-weak undef, remember that the original undef
399         is not weak.
400         * symtab.cc (Symbol_table::sized_write_global): For undef without
401         an original weak binding, set binding to global in output.
402         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
403         * testsuite/Makefile.in: Regenerate.
404         * testsuite/strong_ref_weak_def.sh: New file.
405         * testsuite/strong_ref_weak_def_1.c: Ditto.
406         * testsuite/strong_ref_weak_def_2.c: Ditto.
408 2010-08-12  Cary Coutant  <ccoutant@google.com>
410         * testsuite/incremental_test.sh: Rewrite.
411         * testsuite/incremental_test_1.c: Rewrite.
412         * testsuite/incremental_test_2.c: Rewrite.
414 2010-08-12  Cary Coutant  <ccoutant@google.com>
416         * arm.cc (Target_arm::got_size): Add const.
417         (Target_arm::got_entry_count): New function.
418         (Target_arm::plt_entry_count): New function.
419         (Target_arm::first_plt_entry_offset): New function.
420         (Target_arm::plt_entry_size): New function.
421         (Output_data_plt_arm::entry_count): New function.
422         (Output_data_plt_arm::first_plt_entry_offset): New function.
423         (Output_data_plt_arm::get_plt_entry_size): New function.
424         * i386.cc (Target_i386::got_size): Add const.
425         (Target_i386::got_entry_count): New function.
426         (Target_i386::plt_entry_count): New function.
427         (Target_i386::first_plt_entry_offset): New function.
428         (Target_i386::plt_entry_size): New function.
429         (Output_data_plt_i386::entry_count): New function.
430         (Output_data_plt_i386::first_plt_entry_offset): New function.
431         (Output_data_plt_i386::get_plt_entry_size): New function.
432         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
433         find_incremental_inputs_sections.  Dump incremental_got_plt section.
434         * incremental.cc: Include target.h.
435         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
436         parameter.  Adjust all callers.  Find incremental_got_plt section.
437         (Incremental_inputs::create_data_sections): Create incremental_got_plt
438         section.
439         (Output_section_incremental_inputs::set_final_data_size): Calculate
440         size of incremental_got_plt section.
441         (Output_section_incremental_inputs::do_write): Write the
442         incremental_got_plt section.
443         (Got_plt_view_info): New struct.
444         (Local_got_offset_visitor): New class.
445         (Global_got_offset_visitor): New class.
446         (Global_symbol_visitor_got_plt): New class.
447         (Output_section_incremental_inputs::write_got_plt): New function.
448         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
449         Add parameter.  Adjust all callers.
450         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
451         (Incremental_inputs::got_plt_section): New function.
452         (Incremental_inputs::got_plt_section_): New data member.
453         (Incremental_got_plt_reader): New class.
454         * layout.cc (Layout::create_incremental_info_sections): Add the
455         incremental_got_plt section.
456         * object.h (Got_offset_list::get_list): New function.
457         (Got offset_list::for_all_got_offsets): New function.
458         (Sized_relobj::local_got_offset_list): New function.
459         * powerpc.cc (Target_powerpc::got_size): Add const.
460         (Target_powerpc::got_entry_count): New function.
461         (Target_powerpc::plt_entry_count): New function.
462         (Target_powerpc::first_plt_entry_offset): New function.
463         (Target_powerpc::plt_entry_size): New function.
464         (Output_data_plt_powerpc::entry_count): New function.
465         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
466         (Output_data_plt_powerpc::get_plt_entry_size): New function.
467         * sparc.cc (Target_sparc::got_size): Add const.
468         (Target_sparc::got_entry_count): New function.
469         (Target_sparc::plt_entry_count): New function.
470         (Target_sparc::first_plt_entry_offset): New function.
471         (Target_sparc::plt_entry_size): New function.
472         (Output_data_plt_sparc::entry_count): New function.
473         (Output_data_plt_sparc::first_plt_entry_offset): New function.
474         (Output_data_plt_sparc::get_plt_entry_size): New function.
475         * symtab.h (Symbol::got_offset_list): New function.
476         (Symbol_table::for_all_symbols): New function.
477         * target.h (Sized_target::got_entry_count): New function.
478         (Sized_target::plt_entry_count): New function.
479         (Sized_target::plt_entry_size): New function.
480         * x86_64.cc (Target_x86_64::got_size): Add const.
481         (Target_x86_64::got_entry_count): New function.
482         (Target_x86_64::plt_entry_count): New function.
483         (Target_x86_64::first_plt_entry_offset): New function.
484         (Target_x86_64::plt_entry_size): New function.
485         (Output_data_plt_x86_64::entry_count): New function.
486         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
487         (Output_data_plt_x86_64::get_plt_entry_size): New function.
489 2010-08-12  Cary Coutant  <ccoutant@google.com>
491         * archive.cc: Include incremental.h.
492         (Archive::Archive): Initialize incremental_info_.
493         (Archive::include_member): Record archive members in incremental info.
494         (Add_archive_symbols::run): Record begin and end of an archive in
495         incremental info.
496         (Lib_group::include_member): Record objects in incremental info.
497         * archive.h (Incremental_archive_entry): Forward declaration.
498         (Archive::set_incremental_info): New member function.
499         (Archive::incremental_info): New member function.
500         (Archive::Unused_symbol_iterator): New class.
501         (Archive::unused_symbols_begin): New member function.
502         (Archive::unused_symbols_end): New member function.
503         (Archive::incremental_info_): New data member.
504         * incremental-dump.cc (find_input_containing_global): New function.
505         (dump_incremental_inputs): Dump new incremental info sections.
506         * incremental.cc: Include symtab.h.
507         (Output_section_incremental_inputs): New class.
508         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
509         new incremental info sections.
510         (Sized_incremental_binary::do_check_inputs): Likewise.
511         (Incremental_inputs::report_archive): Remove.
512         (Incremental_inputs::report_archive_begin): New function.
513         (Incremental_inputs::report_archive_end): New function.
514         (Incremental_inputs::report_object): New function.
515         (Incremental_inputs::finalize_inputs): Remove.
516         (Incremental_inputs::report_input_section): New function.
517         (Incremental_inputs::report_script): Rewrite.
518         (Incremental_inputs::finalize): Do nothing but finalize string table.
519         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
520         (Incremental_inputs::sized_create_inputs_section_data): Remove.
521         (Incremental_inputs::create_data_sections): New function.
522         (Incremental_inputs::relocs_entsize): New function.
523         (Output_section_incremental_inputs::set_final_data_size): New function.
524         (Output_section_incremental_inputs::do_write): New function.
525         (Output_section_incremental_inputs::write_header): New function.
526         (Output_section_incremental_inputs::write_input_files): New function.
527         (Output_section_incremental_inputs::write_info_blocks): New function.
528         (Output_section_incremental_inputs::write_symtab): New function.
529         * incremental.h (Incremental_script_entry): Forward declaration.
530         (Incremental_object_entry): Forward declaration.
531         (Incremental_archive_entry): Forward declaration.
532         (Incremental_inputs): Forward declaration.
533         (Incremental_inputs_header_data): Remove.
534         (Incremental_inputs_header): Remove.
535         (Incremental_inputs_header_write): Remove.
536         (Incremental_inputs_entry_data): Remove.
537         (Incremental_inputs_entry): Remove.
538         (Incremental_inputs_entry_write): Remove.
539         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
540         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
541         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
542         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
543         Likewise.
544         (Incremental_input_entry): New class.
545         (Incremental_script_entry): New class.
546         (Incremental_object_entry): New class.
547         (Incremental_archive_entry): New class.
548         (Incremental_inputs::Incremental_inputs): Initialize new data members.
549         (Incremental_inputs::report_inputs): Remove.
550         (Incremental_inputs::report_archive): Remove.
551         (Incremental_inputs::report_archive_begin): New function.
552         (Incremental_inputs::report_archive_end): New function.
553         (Incremental_inputs::report_object): Change prototype.
554         (Incremental_inputs::report_input_section): New function.
555         (Incremental_inputs::report_script): Change prototype.
556         (Incremental_inputs::get_reloc_count): New function.
557         (Incremental_inputs::set_reloc_count): New function.
558         (Incremental_inputs::create_data_sections): New function.
559         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
560         (Incremental_inputs::inputs_section): New function.
561         (Incremental_inputs::symtab_section): New function.
562         (Incremental_inputs::relocs_section): New function.
563         (Incremental_inputs::get_stringpool): Add const.
564         (Incremental_inputs::command_line): Add const.
565         (Incremental_inputs::inputs): Remove.
566         (Incremental_inputs::command_line_key): New function.
567         (Incremental_inputs::input_file_count): New function.
568         (Incremental_inputs::input_files): New function.
569         (Incremental_inputs::relocs_entsize): New function.
570         (Incremental_inputs::sized_create_inputs_section_data): Remove.
571         (Incremental_inputs::finalize_inputs): Remove.
572         (Incremental_inputs::Input_info): Remove.
573         (Incremental_inputs::lock_): Remove.
574         (Incremental_inputs::inputs_): Change type.
575         (Incremental_inputs::inputs_map_): Remove.
576         (Incremental_inputs::current_object_entry_): New data member.
577         (Incremental_inputs::inputs_section_): New data member.
578         (Incremental_inputs::symtab_section_): New data member.
579         (Incremental_inputs::relocs_section_): New data member.
580         (Incremental_inputs::reloc_count_): New data member.
581         (Incremental_inputs_reader): New class.
582         (Incremental_symtab_reader): New class.
583         (Incremental_relocs_reader): New class.
584         * layout.cc (Layout::finalize): Move finalization of incremental info
585         and creation of incremental info sections to follow finalization of
586         symbol table.  Set offsets for postprocessing sections.
587         (Layout::create_incremental_info_sections): Call
588         Incremental_inputs::create_data_sections.  Add incremental symtab
589         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
590         sections to layout after input sections.
591         * layout.h (struct Timespec): Forward declaration.
592         (Layout::incremental_inputs): Add const.
593         (Layout::create_incremental_info_sections): Add parameter.
594         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
595         * object.cc: Include incremental.h.
596         (Relobj::finalize_incremental_relocs): New function.
597         (Sized_relobj::do_layout): Record input sections in incremental info.
598         * object.h (Object::output_section): New function.
599         (Object::output_section_offset): Moved from Relobj.
600         (Object::get_incremental_reloc_base): New function.
601         (Object::get_incremental_reloc_count): New function.
602         (Object::do_output_section): New function.
603         (Object::do_output_section_offset): Moved from Relobj.
604         (Object::do_get_incremental_reloc_base): New function.
605         (Object::do_get_incremental_reloc_count): New function.
606         (Object::Object): Initialize new data members.
607         (Relobj::output_section): Renamed do_output_section and moved to
608         protected.
609         (Relobj::output_section_offset): Moved to Object.
610         (Relobj::do_get_incremental_reloc_base): New function.
611         (Relobj::do_get_incremental_reloc_count): New function.
612         (Relobj::allocate_incremental_reloc_counts): New function.
613         (Relobj::count_incremental_reloc): New function.
614         (Relobj::finalize_incremental_relocs): New function.
615         (Relobj::next_incremental_reloc_index): New function.
616         (Relobj::reloc_counts_): New data member.
617         (Relobj::reloc_bases_): New data member.
618         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
619         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
620         (Sized_relobj::incremental_relocs_scan): New function.
621         (Sized_relobj::incremental_relocs_scan_reltype): New function.
622         (Sized_relobj::incremental_relocs_write): New function.
623         (Sized_relobj::incremental_relocs_write_reltype): New function.
624         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
625         incremental link.
626         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
627         archives and object files elsewhere.
628         (Add_symbols::run): Report object files here.
629         (Finish_group::run): Report end of archive at end of group.
630         * reloc.cc: Include layout.h, incremental.h.
631         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
632         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
633         (Sized_relobj::incremental_relocs_scan): New function.
634         (Sized_relobj::incremental_relocs_scan_reltype): New function.
635         (Sized_relobj::do_relocate_sections): Write incremental relocations.
636         (Sized_relobj::incremental_relocs_write): New function.
637         (Sized_relobj::incremental_relocs_write_reltype): New function.
638         * script.cc (read_input_script): Rewrite test for incremental link.
639         Change call to Incremental_inputs::report_script.
640         * symtab.h (Symbol_table::first_global_index): New function.
641         (Symbol_table::output_count): New function.
643 2010-08-12  Doug Kwan  <dougkwan@google.com>
645         * arm.cc (Target_arm::merge_object_attributes): Check command line
646         options --no-wchar-size-warning and --no-enum-size-warning.
647         * options.h (General_options): Add ld-compatible options
648         --no-enum-size-warning and --no-wchar-size-warning.
650 2010-08-04  Ian Lance Taylor  <iant@google.com>
652         * x86_64.cc (Target_x86_64::Scan::local): Use
653         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
654         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
655         (Target_x86_64::Scan::global): Likewise.
656         (Target_x86_64::Relocate::relocate): Likewise.
657         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
658         Likewise.
660 2010-08-03  Cary Coutant  <ccoutant@google.com>
662         * merge.cc (Output_merge_string::do_add_input_section): Count strings
663         to reserve space in merged_strings vector. Keep total input size
664         for stats.
665         (Output_merge_string::do_print_merge_stats): Print total input size.
666         * merge.h (Output_merge_string): Add input_size_ field.
667         * stringpool.cc (Stringpool_template::string_length): Move
668         implementations out of Stringpool_template class and place in
669         stringpool.h.
670         * stringpool.h (string_length): Move out of Stringpool_template.
672 2010-08-03  Ian Lance Taylor  <iant@google.com>
674         PR 11712
675         * layout.cc (relaxation_loop_body): If address of load segment is
676         set, adjust address to include headers if possible.
678 2010-08-03  Ian Lance Taylor  <iant@google.com>
680         * version.cc (version_string): Bump to 1.10.
682 2010-08-03  Ian Lance Taylor  <iant@google.com>
684         PR 11805
685         * layout.h (enum Output_section_order): Define.
686         (class Layout): Update declarations.
687         * layout.cc (Layout::get_output_section): Add order parameter.
688         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
689         is_first_non_relro parameters.  Change all callers.
690         (Layout::choose_output_section): Likewise.
691         (Layout::add_output_section_data): Likewise.
692         (Layout::make_output_section): Likewise.  Set order.
693         (Layout::default_section_order): New function.
694         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
695         * output.cc (Output_section::Output_section): Initialize order_.
696         Don't initialize deleted fields.
697         (Output_segment::Output_segment): Don't initialize deleted
698         fields.
699         (Output_segment::add_output_section_to_load): New function
700         replacing add_output_section.  Change all callers to call this or
701         add_output_section_to_nonload.
702         (Output_segment::add_output_section_to_nonload): New function.
703         (Output_segment::remove_output_section): Rewrite.
704         (Output_segment::add_initial_output_data): Likewise.
705         (Output_segment::has_any_data_sections): Likewise.
706         (Output_segment::is_first_section_relro): Likewise.
707         (Output_segment::maximum_alignment): Likewise.
708         (Output_segment::has_dynamic_reloc): New function replacing
709         dynamic_reloc_count.  Change all callers.
710         (Output_segment::has_dynamic_reloc_list): New function replacing
711         dynamic_reloc_count_list.  Change all callers.
712         (Output_segment::set_section_addresses): Rewrite.
713         (Output_segment::set_offset): Rewrite.
714         (Output_segment::find_first_and_last_list): Remove.
715         (Output_segment::set_tls_offsets): Rewrite.
716         (Output_segment::first_section_load_address): Likewise.
717         (Output_segment::output_section_count): Likewise.
718         (Output_segment::section_with_lowest_load_address): Likewise.
719         (Output_segment::write_section_headers): Likewise.
720         (Output_segment::print_sections_to_map): Likewise.
721         * output.h (class Output_data): Remove dynamic_reloc_count_
722         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
723         (Output_data::add_dynamic_reloc): Rewrite.
724         (Output_data::has_dynamic_reloc): New function.
725         (Output_data::dynamic_reloc_count): Remove.
726         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
727         is_last_relro_, is_first_non_relro_, is_interp_,
728         is_dynamic_linker_section_ fields.  Add order and set_order
729         functions.  Remove is_relro_local, set_is_relro_local,
730         is_last_relro, set_is_last_relro, is_first_non_relro,
731         set_is_first_non_relro functions, is_interp, set_is_interp,
732         is_dynamic_linker_section, and set_is_dynamic_linker_section
733         functions.
734         (class Output_segment): Change Output_data_list from std::list to
735         std:;vector.  Add output_lists_ field.  Remove output_data_ and
736         output_bss_ fields.  Update declarations.
738 2010-08-02  Ian Lance Taylor  <iant@google.com>
740         * arm.cc (Target_arm::gc_process_relocs): Use typename.
741         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
742         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
744 2010-08-02  Ian Lance Taylor  <iant@google.com>
746         PR 11855
747         * script.cc (Script_options::Script_options): Initialize
748         symbol_definitions_ and symbol_references_.
749         (Script_options::add_symbol_assignment): Update
750         symbol_definitions_ and symbol_references_.
751         (Script_options::add_symbol_reference): New function.
752         (script_symbol): New function.
753         * script.h (class Script_options): Add symbol_definitions_ and
754         symbol_references_ fields.
755         (Script_options::referenced_const_iterator): New type.
756         (Script_options::referenced_begin): New function.
757         (Script_options::referenced_end): New function.
758         (Script_options::is_referenced): New function.
759         (Script_options::any_unreferenced): New function.
760         * script-c.h (script_symbol): Declare.
761         * yyscript.y (exp): Call script_symbol.
762         * symtab.cc: Include "script.h".
763         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
764         Change all callers.  Check symbols referenced by scripts.
765         (Symbol_table::add_undefined_symbols_from_command_line): Add
766         layout parameter.  Change all callers.
767         (Symbol_table::do_add_undefined_symbols_from_command_line):
768         Likewise.  Break out loop body.  Check symbols referenced by
769         scripts.
770         (Symbol_table::add_undefined_symbol_from_command_line): New
771         function broken out of
772         do_add_undefined_symbols_from_command_line.
773         * symtab.h (class Symbol_table): Update declarations.
774         * archive.cc: Include "layout.h".
775         (Archive::should_include_member): Add layout parameter.  Change
776         all callers.  Check for symbol mentioned in expression.
777         * archive.h (class Archive): Update declaration.
778         * object.cc (Sized_relobj::do_should_include_member): Add layout
779         parameter.
780         * object.h (Object::should_include_member): Add layout parameter.
781         Change all callers.
782         (Object::do_should_include_member): Add layout parameter.
783         (class Sized_relobj): Update declaration.
784         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
785         parameter.
786         * dynobj.h (class Sized_dynobj): Update declaration.
787         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
788         layout parameter.
789         * plugin.h (class Sized_pluginobj): Update declaration.
791 2010-08-02  Ian Lance Taylor  <iant@google.com>
793         PR 11866
794         * output.cc (Output_segment::set_offset): Search for the first and
795         last sections rather than assuming that the list is in order.
796         (Output_segment::find_first_and_last_list): New function.
797         * output.h (class Output_segment): Update declarations.
798         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
799         (relro_strip_test_SOURCES): New variable.
800         (relro_strip_test_DEPENDENCIES): New variable.
801         (relro_strip_test_LDFLAGS): New variable.
802         (relro_strip_test_LDADD): New variable.
803         (relro_strip_test.so): New target.
805 2010-08-02  Ian Lance Taylor  <iant@google.com>
807         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
808         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
809         (Target_i386::got_tlsdesc_section): New function.
810         (Target_i386::got_section): Create space for GOT entries for
811         TLSDESC relocations.
812         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
813         R_386_TLS_GOTDESC.
814         (Target_i386::Scan::global): Likewise.
815         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
816         using TLSDESC GOT.
817         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
818         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
819         (Target_x86_64::got_tlsdesc_section): New function.
820         (Target_x86_64::got_section): Create space for GOT entries for
821         TLSDESC relocations.
822         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
823         R_386_TLS_GOTDESC.
824         (Target_x86_64::Scan::global): Likewise.
825         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
826         using TLSDESC GOT.
828 2010-08-02  Ian Lance Taylor  <iant@google.com>
830         * testsuite/final_layout.sh: Use dc to convert from hex to
831         decimal.
833 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
835         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
836         paramter to the call to gold::gc_process_relocs.
837         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
838         paramter to the call to gold::gc_process_relocs.
839         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
840         parameter to the call to gold::gc_process_relocs.
841         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
842         template parameter to the call to gold::gc_process_relocs.
843         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
844         paramter to the call to gold::gc_process_relocs.
845         * gc.h (get_embedded_addend_size): New function.
846         (gc_process_relocs): Save the size of the reloc for use by ICF.
847         * icf.cc (get_section_contents): Get the addend from the text section
848         for SHT_REL relocation sections.
849         * icf.h (Icf::Reloc_addend_size_info): New typedef.
850         (Icf::Reloc_info): Add new member reloc_addend_size_info.
851         * int_encoding.h (read_from_pointer): New overloaded function.
852         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
853         * testsuite/icf_sht_rel_addend_test.sh: New file.
854         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
855         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
857 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
859         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
860         * Makefile.in: Regenerate.
861         * testsuite/Makefile.in: Regenerate.
863 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
865         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
866         * gold/testsuite/debug_msg.cc: Likewise.
867         * gold/testsuite/odr_violation1.cc
868         * gold/testsuite/odr_violation2.cc
870 2010-07-21  Cary Coutant  <ccoutant@google.com>
872         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
873         string, and length fields.
874         (Output_merge_string::Merged_strings_list): New type.
875         (Output_merge_string::Merged_strings_lists): New typedef.
876         (Output_merge_string): Replace merged_strings_ with
877         merged_strings_lists_.
878         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
879         Merged_strings_list per input object and section.  Don't store pointer
880         to the string.  Don't store length with each merged string entry.
881         (Output_merge_string::finalize_merged_data): Loop over list of merged
882         strings lists.  Recompute length of each merged string.
884 2010-07-15  Cary Coutant  <ccoutant@google.com>
886         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
887         here.
889 2010-07-14  Ian Lance Taylor  <iant@google.com>
891         * descriptors.cc (Descriptors::open): Report correct name in error
892         message.
894 2010-07-13  Doug Kwan  <dougkwan@google.com>
896         * arm.cc (Arm_input_section::Arm_input_section): For a
897         SHT_ARM_EXIDX section, always keeps the input sections.
898         (Arm_input_section::set_exidx_section_link): New method.
899         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
900         has_errors_ to false.
901         (Arm_exidx_input_section::has_errors,
902         Arm_exidx_input_section::set_has_errors): New methods.
903         (Arm_exidx_input_section::has_errors_): New data member.
904         (Arm_relobj::get_exidx_shndx_list): New method.
905         (Arm_output_section::append_text_sections_to_list): Do not skip
906         section without SHF_EXECINSTR.
907         (Arm_output_section::fix_exidx_coverage): Skip input sections with
908         errors.
909         (Arm_relobj::make_exidx_input_section): Add new parameter for text
910         section header.  Make error messages more verbose.  Check for
911         a non-executable section linked to an EXIDX section.
912         (Arm_relobj::do_read_symbols): Remove error checking, which has been
913         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
914         check that there is no deferred EXIDX section if we exit early.
915         Instead of not making an EXIDX section in case of an error, make one
916         and set the has_errors flag of it.
917         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
918         in a relocatable link.
919         (Target_arm::do_relax): Look for the EXIDX output section instead of
920         assuming that it is called .ARM.exidx.
921         (Target_arm::fix_exidx_coverage): Add a new parameter for input
922         section list.  Do not check for SHF_EXECINSTR section flags but
923         skip any input section with errors.
924         * output.cc (Output_section::Output_section): Initialize
925         always_keeps_input_sections_ to false.
926         (Output_section::add_input_section): Check for
927         always_keeps_input_sections_.
928         *  output.h (Output_section::always_keeps_input_sections,
929         Output_section::set_always_keeps_input_sections): New methods.
930         (Output_section::always_keeps_input_sections): New data member.
932 2010-07-13  Rafael Espindola  <espindola@google.com>
934         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
935         * fileread.h (Input_file): Add try_extra_search_path and find_file.
937 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
938             Ian Lance Taylor  <iant@google.com>
940         * output.h (Output_section_lookup_maps::add_merge_section):
941         Correct check of whether value was inserted.
942         (Output_section_lookup_maps::add_merge_input_section): Likewise.
943         (Output_section_lookup_maps::add_relaxed_input_section):
944         Likewise.
945         * arm.cc (Target_arm::got_section): Remove used local os.
946         * i386.cc (Target_i386::got_section): Likewise.
947         * x86_64.cc (Target_x86_64::got_section): Likewise.
948         * sparc.cc (Target_sparc::got_section): Likewise.
949         (Target_sparc::relocate): Remove unused local have_got_offset.
950         * powerpc.cc (Target_powerpc::relocate): Likewise.
952 2010-07-13  Ian Lance Taylor  <iant@google.com>
954         * compressed_output.cc (zlib_decompress): Fix signature in
955         !HAVE_ZLIB_H case.
957         * archive.cc (Archive::include_member): Unlock an external member
958         of a thin archive.  Don't bother to delete an object we know is
959         NULL.
961 2010-07-12  Cary Coutant  <ccoutant@google.com>
963         * compressed_output.cc (zlib_decompress): New function.
964         (get_uncompressed_size): New function.
965         (decompress_input_section): New function.
966         * compressed_output.h (get_uncompressed_size): New function.
967         (decompress_input_section): New function.
968         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
969         Handle compressed debug sections.
970         * layout.cc (is_compressed_debug_section): New function.
971         (Layout::output_section_name): Map compressed section names to
972         canonical names.
973         * layout.h (is_compressed_debug_section): New function.
974         (is_debug_info_section): Recognize compressed debug sections.
975         * merge.cc: Include compressed_output.h.
976         (Output_merge_data::do_add_input_section): Handle compressed
977         debug sections.
978         (Output_merge_string::do_add_input_section): Handle compressed
979         debug sections.
980         * object.cc: Include compressed_output.h.
981         (Sized_relobj::Sized_relobj): Initialize new data members.
982         (build_compressed_section_map): New function.
983         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
984         * object.h (Object::section_is_compressed): New method.
985         (Object::do_section_is_compressed): New method.
986         (Sized_relobj::Compressed_section_map): New type.
987         (Sized_relobj::do_section_is_compressed): New method.
988         (Sized_relobj::compressed_sections_): New data member.
989         * output.cc (Output_section::add_input_section): Handle compressed
990         debug sections.
991         * reloc.cc: Include compressed_output.h.
992         (Sized_relobj::write_sections): Handle compressed debug sections.
994 2010-07-08  Cary Coutant  <ccoutant@google.com>
996         * resolve.cc (Symbol_table::resolve): Remember whether undef was
997         weak when resolving to a dynamic def.
998         (Symbol_table::should_override): Add adjust_dyndef flag; set it
999         for weak undef/dynamic def cases. Adjust callers.
1000         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1001         undef_binding_weak_.
1002         (Symbol_table::sized_write_globals): Adjust symbol binding.
1003         (Symbol_table::sized_write_symbol): Add binding parameter.
1004         * symtab.h (Symbol::set_undef_binding): New method.
1005         (Symbol::is_undef_binding_weak): New method.
1006         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1007         (Symbol_table::should_override): Add new parameter.
1008         (Symbol_table::sized_write_symbol): Add new parameter.
1010         * testsuite/weak_undef_file1.cc: Add new test case.
1011         * testsuite/weak_undef_file2.cc: Fix header comment.
1012         * testsuite/weak_undef_test.cc: Add new test case.
1014 2010-06-29  Doug Kwan  <dougkwan@google.com>
1016         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1017         Initialize USE_SYMBOL_.
1018         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1019         definition.
1020         (Arm_reloc_property::uses_symbol_): New data member declaration.
1021         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1022         uses symbol value and symbol is undefined but not weakly undefined.
1024 2010-06-28  Rafael Espindola  <espindola@google.com>
1026         * plugin.cc (Plugin::load): Use dlerror.
1028 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1030         * symtab.cc (detect_odr_violations): When reporting an ODR
1031         violation, report an object where the symbol is defined.
1033 2010-06-25  Doug Kwan  <dougkwan@google.com>
1035         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1036         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1037         definition.
1038         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1039         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1040         target hook to detect function points.
1041         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1042         * icf.h (Icf::check_section_for_function_pointers): Change type of
1043         parameter SECTION_NAME to const reference to std::string.  Use
1044         target hook to determine if section may have unsafe pointers.
1045         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1046         method definition.
1048 2010-06-21  Rafael Espindola  <espindola@google.com>
1050         * fileread.cc (Input_file::find_fie): New
1051         (Input_file::open): Use Input_file::find_fie.
1052         * fileread.h (Input_file::find_fie): New
1053         * plugin.cc (set_extra_library_path): New.
1054         (Plugin::load): Add set_extra_library_path to the transfer vector.
1055         (Plugin_manager::set_extra_library_path): New.
1056         (Plugin_manager::add_input_file): Use the extra search path if set.
1057         (set_extra_library_path(): New.
1058         * plugin.h (Plugin_manager): Add set_extra_library_path and
1059         extra_search_path_.
1061 2010-06-19  Cary Coutant  <ccoutant@google.com>
1063         * layout.cc (gdb_sections): Add .debug_types.
1064         (lines_only_debug_sections): Likewise.
1066 2010-06-18  Rafael Espindola  <espindola@google.com>
1068         * plugin.cc (add_input_file,add_input_library)
1069         (Plugin_manager::add_input_file): Make filename arguments const.
1070         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1071         const.
1073 2010-06-16  Doug Kwan  <dougkwan@google.com>
1075         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1076         .ARM.attributes section if we have not merged any input
1077         attributes sections.
1079 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1081         * arm.cc: Allow combining objects with no EABI version
1082         information.
1084 2010-06-15  Rafael Espindola  <espindola@google.com>
1086         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1088 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1090         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1091         (struct iovec): Correct !HAVE_READV definition.
1093 2010-06-10  Cary Coutant  <ccoutant@google.com>
1095         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1096         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1097         reloc sections.
1098         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1100         PR 11683
1101         * symtab.h (Symbol::is_placeholder): New member function.
1102         * target-reloc.h (relocate_section): Check for placeholder symbols.
1104         * testsuite/Makefile.am (plugin_test_8): New test.
1105         (plugin_test_9): New test.
1106         * testsuite/Makefile.in: Regenerate.
1108 2010-06-09  Nick Clifton  <nickc@redhat.com>
1110         * yyscript.y (input_list_element): Allow strings prefixed with
1111         the '-' character.  Treat these as libraries.
1112         * script.cc (script_add_library): New function.  Adds a library
1113         specified by "-l<name>" found in an input script.
1114         * script-c.h: Add prototype for script_add_library.
1116 2010-06-07  Doug Kwan  <dougkwan@google.com>
1118         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1119         Restrict stub-group size to be within long conditional branch
1120         range when working around cortex-A8 erratum.
1122 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1124         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1125         #ifdef typo.
1127 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1129         PR gold/11658
1130         * output.cc
1131         (Output_section::Input_section_sort_entry::compare_section_ordering):
1132         Change to return non-zero correctly.
1133         (Output_section::Input_section_sort_section_order_index_compare
1134         ::operator()): Change to fix ambiguity in comparisons.
1136 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1138         * gold.h (is_wildcard_string): New function.
1139         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1140         (Layout::layout_eh_frame): Ditto.
1141         (Layout::find_section_order_index): New method.
1142         (Layout::read_layout_from_file): New method.
1143         * layout.h (Layout::find_section_order_index): New method.
1144         (Layout::read_layout_from_file): New method.
1145         (Layout::input_section_position_): New private member.
1146         (Layout::input_section_glob_): New private member.
1147         * main.cc (main): Call read_layout_from_file here.
1148         * options.h (--section-ordering-file): New option.
1149         * output.cc (Output_section::input_section_order_specified_): New
1150         member.
1151         (Output_section::Output_section): Initialize new member.
1152         (Output_section::add_input_section): Add new parameter.
1153         Keep input sections when --section-ordering-file is used.
1154         (Output_section::set_final_data_size): Sort input sections when
1155         section ordering file is specified.
1156         (Output_section::Input_section_sort_entry): Add new parameter.
1157         Check sorting type.
1158         (Output_section::Input_section_sort_entry::compare_section_ordering):
1159         New method.
1160         (Output_section::Input_section_sort_compare::operator()): Change to
1161         consider section_order_index.
1162         (Output_section::Input_section_sort_init_fini_compare::operator()):
1163         Change to consider section_order_index.
1164         (Output_section::Input_section_sort_section_order_index_compare
1165         ::operator()): New method.
1166         (Output_section::sort_attached_input_sections): Change to sort
1167         according to section order when specified.
1168         (Output_section::add_input_section<32, true>): Add new parameter.
1169         (Output_section::add_input_section<64, true>): Add new parameter.
1170         (Output_section::add_input_section<32, false>): Add new parameter.
1171         (Output_section::add_input_section<64, false>): Add new parameter.
1172         * output.h (Output_section::add_input_section): Add new parameter.
1173         (Output_section::input_section_order_specified): New
1174         method.
1175         (Output_section::set_input_section_order_specified): New method.
1176         (Input_section::Input_section): Initialize section_order_index_.
1177         (Input_section::section_order_index): New method.
1178         (Input_section::set_section_order_index): New method.
1179         (Input_section::section_order_index_): New member.
1180         (Input_section::Input_section_sort_section_order_index_compare): New
1181         struct.
1182         (Output_section::input_section_order_specified_): New member.
1183         * script-sections.cc (is_wildcard_string): Delete and move modified
1184         method to gold.h.
1185         (Output_section_element_input::Output_section_element_input): Modify
1186         call to is_wildcard_string.
1187         (Output_section_element_input::Input_section_pattern
1188         ::Input_section_pattern): Ditto.
1189         (Output_section_element_input::Output_section_element_input): Ditto.
1190         * testsuite/Makefile.am (final_layout): New test case.
1191         * testsuite/Makefile.in: Regenerate.
1192         * testsuite/final_layout.cc: New file.
1193         * testsuite/final_layout.sh: New file.
1195 2010-06-01  Rafael Espindola  <espindola@google.com>
1197         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1199 2010-06-01  Rafael Espindola  <espindola@google.com>
1201         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1202         visibility of symbols.
1204 2010-05-27  Doug Kwan  <dougkwan@google.com>
1206         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1207         from start of output section instead of address for a local symbol
1208         in a merged or relaxed section when doing a relocatable link.
1210 2010-05-26  Rafael Espindola  <espindola@google.com>
1212        PR 11604
1213         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1214         adding sections the garbage collector removed.
1215         * gold/testsuite/Makefile.am: Add test.
1216         * gold/testsuite/Makefile.in: Regenerate.
1217         * gold/testsuite/plugin_test_7.sh: New.
1218         * gold/testsuite/plugin_test_7_1.c: New.
1219         * gold/testsuite/plugin_test_7_2.c: New.
1221 2010-05-26  Rafael Espindola  <espindola@google.com>
1223         * script-sections.cc (Output_section_definition::set_section_addresses):
1224         Check for --section-start.
1226 2010-05-26  Doug Kwan  <dougkwan@google.com>
1228         * arm.cc (Arm_scan_relocatable_relocs): New class.
1229         (Target_arm::relocate_special_relocatable): New method.
1230         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1231         (Arm_relocate_functions::thumb_branch_common): Same.
1232         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1233         instead of Default_scan_relocatable_relocs.
1234         * target-reloc.h (relocate_for_relocatable): Let target handle
1235         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1236         * target.h (Sized_target::relocate_special_relocatable): New method.
1238 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1240         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1242 2010-05-23  Doug Kwan  <dougkwan@google.com>
1244         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1245         instead of a cast.
1246         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1247         with a direct branch, not a conditional branch, to a stub.
1248         * merge.cc (Output_merge_base::record_input_section): New method
1249         defintion.
1250         (Output_merge_data::do_add_input_section): Record input section if
1251         keeps-input-sections flag is set.
1252         (Output_merge_string::do_add_input_section): Ditto.
1253         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1254         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1255         INPUT_SECTIONS_.
1256         (Output_merge_base::keeps_input_sections,
1257         Output_merge_base::set_keeps_input_sections,
1258         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1259         method definitions.
1260         (Output_merge_base::Input_sections): New type declaration.
1261         (Output_merge_base::input_sections_begin,
1262         Output_merge_base::input_sections_end,
1263         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1264         (Output_merge_base::bool keeps_input_sections_,
1265         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1266         Output_merge_base::input_sections_): New data members.
1267         (Output_merge_data::do_set_keeps_input_sections): New method
1268         defintion.
1269         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1270         * output.cc (Output_section::Input_section::relobj): Move method
1271         defintion from class declaration to here and handle merge sections.
1272         (Output_section::Input_section::shndx): Ditto.
1273         (Output_section::Output_section): Remove initializations of removed
1274         data members and initialize new data member LOOKUP_MAPS_.
1275         (Output_section::add_input_section): Set keeps-input-sections flag
1276         for a newly created merge output section as appropriate.  Adjust code
1277         to use Output_section_lookup_maps class.
1278         (Output_section::add_relaxed_input_section): Adjst code for lookup
1279         maps code refactoring.
1280         (Output_section::add_merge_input_section): Add a new parameter
1281         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1282         class.  If adding input section to a newly created merge output
1283         section fails, remove the new merge section.
1284         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1285         Adjust code for use of the Output_section_lookup_maps class.
1286         (Output_section::find_merge_section): Ditto.
1287         (Output_section::build_lookup_maps): New method defintion.
1288         (Output_section::find_relaxed_input_section): Adjust code to use
1289         Output_section_lookup_maps class.
1290         (Output_section::get_input_sections): Export merge sections.  Adjust
1291         code to use Output_section_lookup_maps class.
1292         (Output_section:::add_script_input_section): Adjust code to use
1293         Output_section_lookup_maps class.  Update lookup maps for merge
1294         sections also.
1295         (Output_section::discard_states): Use Output_section_lookup_maps.
1296         (Output_section::restore_states): Same.
1297         * output.h (Merge_section_properties): Move class defintion out of
1298         Output_section.
1299         (Output_section_lookup_maps): New class.
1300         (Output_section::Input_section::is_merge_section): New method
1301         defintion.
1302         (Output_section::Input_section::relobj): Move defintion out of class
1303         defintion.  Declare method only.
1304         (Output_section::Input_section::shndx): Ditto.
1305         (Output_section::Input_section::output_merge_base): New method defintion.
1306         (Output_section::Input_section::u2_.pomb): New union field.
1307         (Output_section::Merge_section_by_properties_map,
1308         Output_section::Output_section_data_by_input_section_map,
1309         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1310         Remove types.
1311         (Output_section::add_merge_input_section): Add new parameter
1312         KEEPS_INPUT_SECTIONS.
1313         (Output_section::build_lookup_maps): New method declaration.
1314         (Output_section::merge_section_map_,
1315         Output_section::merge_section_by_properties_map_,
1316         Output_section::relaxed_input_section_map_,
1317         Output_section::is_relaxed_input_section_map_valid_): Remove data
1318         members.
1319         (Output_section::lookup_maps_): New data member.
1321 2010-05-21  Doug Kwan  <dougkwan@google.com>
1323         PR gold/11619
1324         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1325         avoid a compilation error.
1327 2010-05-19  Rafael Espindola  <espindola@google.com>
1329         * script-sections.cc (Output_section_definition::allocate_to_segment):
1330         Update the phdrs_list even when the output section is NULL.
1331         * testsuite/Makefile.am: Add test.
1332         * testsuite/Makefile.in: Regenerate.
1333         * testsuite/script_test_9.cc: New.
1334         * testsuite/script_test_9.sh: New.
1335         * testsuite/script_test_9.t: New.
1337 2010-05-19  Doug Kwan  <dougkwan@google.com>
1339         * arm.cc (Arm_input_section::original_size): New method.
1340         (Arm_input_section::do_addralign): Add a cast.
1341         (Arm_input_section::do_output_offset): Remove static cast.
1342         (Arm_input_section::original_addralign,
1343          Arm_input_section::original_size_): Change type to uint32_t.
1344         (Arm_input_section::init): Add safe casts for section alignment
1345         and size.
1346         (Arm_input_section::set_final_data_size): Do not set address and
1347         offset of stub table.
1348         (Arm_output_section::fix_exidx_coverage): Change use of of
1349         Output_section::Simple_input_section to that of
1350         Output_section::Input_section.
1351         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1352         except for the first pass.
1353         * output.cc (Output_section::get_input_sections): Change type of
1354         input_sections to std::list<Input_section>.
1355         (Output_section::add_script_input_section): Rename from
1356         Output_section::add_simple_input_section.  Change type of SIS
1357         parameter from Simple_input_section to Input_section.
1358         * output.h (Output_section::Simple_input_section): Remove class.
1359         (Output_section::Input_section): Change class visibility to public.
1360         (Output_section::Input_section::addralign): Use stored alignments
1361         for special input sections if set.
1362         (Output_section::Input_section::set_addralign): New method.
1363         (Output_section::get_input_sections): Change parameter type from
1364         list of Simple_input_section to list of Input_section.
1365         (Output_section::add_script_input_section): Rename from
1366         Output_section::add_simple_input_section. Change first parameter's
1367         type from Simple_input_section to Input_section and remove the
1368         second and third parameters.
1369         * script-sections.cc (Input_section::Input_section_list): Change
1370         type to list of Output_section::Input_section/
1371         (Input_section_info::Input_section_info): Change parameter type of
1372         INPUT_SECTION to Output_section::Input_section.
1373         (Input_section_info::input_section): Change return type.
1374         (Input_section_info::input_section_): Change type to
1375         Output_section::Input_section.
1376         (Output_section_element_input::set_section_addresses): Adjust code
1377         to use Output_section::Input_section instead of
1378         Output_section::Simple_input_section.  Adjust code for renaming
1379         of Output_section::add_simple_input_section.
1380         (Orphan_output_section::set_section_addresses): Ditto.
1382 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1384         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1385         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1387 2010-05-18  Rafael Espindola  <espindola@google.com>
1389         * options.cc (General_options::finalize): Handle -nostdlib.
1390         * options.h (nostdlib): New option.
1391         * script.cc (script_add_search_dir): Handle -nostdlib.
1393 2010-05-12  Doug Kwan  <dougkwan@google.com>
1395         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1396         attributes section only if there no attributes section after merging.
1397         (Target_arm::merge_object_attributes): Move value of
1398         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1399         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1400         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1401         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1402         and arm_attr_merge_7.stdout.
1403         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1404         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1405         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1406         arm_attr_merge_7b.o): New rules.
1407         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1408         arm_attr_merge_7
1409         * testsuite/Makefile.in: Regenerate.
1410         * testsuite/arm_attr_merge.sh: New file.
1411         * testsuite/arm_attr_merge_[67][ab].s: Same.
1413 2010-05-05  Nick Clifton  <nickc@redhat.com>
1415         * po/es.po: Updated Spanish translation.
1417 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1419         * Makefile.am (install-exec-local): Properly install gold as
1420         default cross linker.
1421         * Makefile.in: Regenerated.
1423 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1424             Nick Clifton  <nickc@redhat.com>
1426         * configure.ac (install_as_default): Define and set to false
1427         unless --enable-gold or --enable-gold=both/gold has been
1428         specified.
1429         * configure: Regenerate.
1431         * Makefile.am (install-exec-local): Install the executable as
1432         'ld.gold'.  If install_as_default is true then also install it as
1433         'ld'.
1434         * Makefile.in: Regenerated.
1436 2010-04-24  Ian Lance Taylor  <iant@google.com>
1438         * layout.cc (Layout::layout_reloc): In relocatable link don't
1439         combine reloc sections for grouped sections.
1441 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1443         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1444         sections that are not ordinary to icf.
1445         * icf.cc (get_section_contents): Handle relocation pointing to section
1446         with no object or shndx information.
1447         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1448         * testsuite/Makefile.in: Regenerate.
1449         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1450         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1452 2010-04-22  Ian Lance Taylor  <iant@google.com>
1454         * expression.cc (Expression::Expression_eval_info): Add
1455         result_alignment_pointer field.
1456         (Expression::eval_with_dot): Add result_alignment_pointer
1457         parameter.  Change all callers.
1458         (Expression::eval_maybe_dot): Likewise.
1459         (class Binary_expression): Add alignment_pointer parameter to
1460         left_value and right_value.  Change all callers.
1461         (BINARY_EXPRESSION): Set result alignment.
1462         (class Trinary_expression): Add alignment_pointer parameter to
1463         arg2_value and arg3_value.  Change all callers.
1464         (Trinary_cond::value): Set result alignment.
1465         (Max_expression::value, Min_expression::value): Likewise.
1466         (Align_expression::value): Likewise.
1467         * script-sections.cc (class Sections_element): Add dot_alignment
1468         parameter to set_section_addresses virtual function.  Update
1469         instantiations.
1470         (class Output_section_element): Likewise.
1471         (Script_sections::create_segments): Add dot_alignment parameter.
1472         Change all callers.
1473         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1474         (Script_sections::set_phdrs_clause_addresses): Likewise.
1475         * script-sections.h: Update declarations.
1476         * script.h: Update declarations.
1477         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1478         min_p_align.
1479         * testsuite/script_test_3.t: Set large alignment.
1480         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1481         segment has expected alignment.
1483 2010-04-22  Nick Clifton  <nickc@redhat.com>
1485         * po/gold.pot: Updated by the Translation project.
1486         * po/vi.po: Updated Vietnamese translation.
1488 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1490         * testsuite/Makefile.am (check_PROGRAMS): Add
1491         icf_virtual_function_folding_test.
1492         * testsuite/Makefile.in: Regenerated.
1494 2010-04-15  Andrew Haley  <aph@redhat.com>
1496         * options.h (merge_exidx_entries): New option.
1497         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1498         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1499         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1500         (Target_arm::merge_exidx_entries): New function.
1501         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1502         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1503         to Arm_exidx_fixup constructor.
1504         Add new arg, merge_exidx_entries.
1505         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1506         Arm_output_section::fix_exidx_coverage.
1508 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1510         * icf.cc (get_section_contents): Check for preemptible functions.
1511         Ignore addend when appropriate.
1512         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1513         section folded.
1514         (add_from_relobj): Check for section folded.
1515         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1516         * symtab.h (should_add_dynsym_entry): Add new parameter.
1517         * target-reloc.h (scan_relocs): Check for section folded.
1518         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1519         Check reloc types for function pointers in shared objects.
1520         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1521         case.
1522         (icf_preemptible_functions_test): New test case.
1523         (icf_string_merge_test): New test case.
1524         * testsuite.Makefile.in: Regenerate.
1525         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1526         bar_glob.  Refactor code.
1527         * testsuite/icf_preemptible_functions_test.cc: New file.
1528         * testsuite/icf_preemptible_functions_test.sh: New file.
1529         * testsuite/icf_string_merge_test.cc: New file.
1530         * testsuite/icf_string_merge_test.sh: New file.
1531         * testsuite/icf_virtual_function_folding_test.cc: New file.
1532         * testsuite/icf_virtual_function_folding_test.sh: New file.
1534 2010-04-14  Doug Kwan  <dougkwan@google.com>
1536         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1537         for local symbol recounting if we remove a section due to ICF.
1538         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1539         there are no regular objects in input.
1541 2010-04-13  Doug Kwan  <dougkwan@google.com>
1543         * arm.cc (Arm_input_section::set_final_data_size): Compute
1544         accurate final data size instead of using current data size.
1546 2010-04-09  Doug Kwan  <dougkwan@google.com>
1548         * layout.cc (Layout::choose_output_section): Handle script section
1549         types.
1550         (Layout::make_output_section_for_script): Add section type parameter.
1551         Handle script section types.
1552         * layout.h (Layout::make_output_section_for_script): Add section
1553         type parameter.
1554         * output.cc (Output_section::Output_section): Initialize data member
1555         is_noload_.
1556         (Output_section::do_reset_address_and_file_offset): Do not set address
1557         to 0 if section is a NOLOAD section.
1558         * output.h (Output_section::is_noload): New method.
1559         (Output_section::set_is_noload): Ditto.
1560         (Output_section::is_noload_): New data member.
1561         * script-c.h (Script_section_type): New enum type.
1562         (struct Parser_output_section_header): Add new file section_type.
1563         * script-sections.cc (Sections_element::output_section_name): Add
1564         parameter for returning script section type.
1565         (Output_section_definition::output_section_name): Ditto.
1566         (Output_section_definition::section_type)P; New method.
1567         (Output_section_definiton::script_section_type_name): Ditto.
1568         (Output_section_definition::script_section_type_): New data member.
1569         (Output_section_definition::Output_section_definition): Initialize
1570         data member Output_section_definition::script_section_type_.
1571         (Output_section_definition::create_sections): Pass script section type
1572         to Layout::make_output_section_for_script.
1573         (Output_section_definition::output_section_name): Return script
1574         section type to caller.
1575         (Output_section_definition::set_section_address): Do not advance
1576         dot value and load address if section type is NOLOAD.  Set address
1577         of NOLOAD sections regardless of section flags.
1578         (Output_section_definition::print): Print section type if it is
1579         not SCRIPT_SECTION_TYPE_NONE.
1580         (Output_section_definition::section_type): New method.
1581         (Output_section_definition::script_section_type_name): Ditto.
1582         (Script_sections::output_section_name): Add new parameter
1583         PSECTION_TYPE for returning script section type.  Pass it to
1584         section elements.  Handle discard sections.
1585         (Sort_output_sections::operator()): Handle NOLOAD sections.
1586         * script-sections.h (Script_sections::Section_type): New enum type.
1587         (Script_sections::output_section_name): Add a new parameter for
1588         returning script section type.
1589         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1590         INFO and NOLOAD.
1591         * yyscript.y (union): Add new field SECTION_TYPE.
1592         (COPY, DSECT, INFO, NOLOAD): New tokens.
1593         (opt_address_and_section_type): Change type to output_section_header.
1594         (section_type): New non-terminal
1595         (section_header): Handle section type.
1596         (opt_address_and_section_type): Return section type value.
1598 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1600         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1601         * testsuite/plugin_common_test_2.c (foo): Likewise.
1603 2010-04-08  Doug Kwan  <dougkwan@google.com>
1605         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1606         Output_merge_data.
1607         * output.cc (Output_section::add_merge_input_section): Simplify
1608         code and return status of Output_merge_base::add_input_section.
1609         Update merge section map only if Output_merge_base::add_input_section
1610         returns true.
1612 2010-04-07  Doug Kwan  <dougkwan@google.com>
1614         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1615         if section is marked as containing instructions but has no mapping
1616         symbols.
1617         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1618         correct section index.
1619         (Arm_relobj::find_linked_text_section): Ditto.
1621 2010-04-07  Cary Coutant  <ccoutant@google.com>
1623         * archive.cc (include_member): Destroy Read_symbols_data object before
1624         releasing file.
1625         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1626         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1627         (Read_symbols_data::~Read_symbols_data) New destructor.
1628         (Section_relocs::Section_relocs) New constructor.
1629         (Section_relocs::~Section_relocs) New destructor.
1630         (Read_relocs_data::Read_relocs_data) New constructor.
1631         (Read_relocs_data::~Read_relocs_data) New destructor.
1632         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1633         pointers to NULL after deleting.
1635 2010-04-07  Doug Kwan  <dougkwan@google.com>
1637         * arm.cc: Replace "endianity" with "endianness" in comments.
1638         (Arm_exidx_cantunwind): Ditto.
1639         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1640         (Arm_relobj::merge_flags_and_attributes): New method.
1641         (Arm_relobj::merge_flags_and_attributes_): New data member.
1642         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1643         (Arm_relobj::scan_sections_for_stubs): Ditto.
1644         (Arm_relobj::do_read_symbols): Check to see if we really want to
1645         merge processor-specific flags and attributes.  Exit early if
1646         an object is empty except for section names and the undefined symbol.
1647         (Target_arm::do_finalize_sections): Move check for ELF format to
1648         Arm_relobj::do_read_symbols.  Merge processor specific flags and
1649         attributes from a regular object only when we have determined that
1650         it is aapropriate.  Do not create an .ARM.attributes section in
1651         output if there is no regular input object.
1652         (Target_arm::merge_processor_specific_flags): Check
1653         --warn-mismatch before printing any error.
1654         (Target_arm::merge_object_attributes): Ditto.
1655         * gold.cc (queue_middle_tasks): Handle the case in which there is
1656         no regular object in input.
1657         * options.cc (General_options::parse_EB): New method.
1658         (General_options::parse_EL): Same.
1659         (General_options::General_options): Initialize endianness_.
1660         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1661         New options.
1662         (General_options::Endianness): New enum.
1663         (General_options::endianness): New method.
1664         (General_options::endianness_): New data member.
1665         * parameters.cc (Parameters::set_options): Check target endianness.
1666         (Parameters::set_target_once): Ditto.
1667         (Parameters::check_target_endianness): New method.
1668         (parameters_force_valid_target): If either -EL or -EB is specified,
1669         use it to define endianness of default target.
1670         * parameters.h (Parameters::check_target_endianness): New method
1671         declaration.
1672         * target.h (class Target): Change "endianity" to "endianness"
1673         in comments.
1675 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1677         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1678         * configure: Regenerate.
1679         * Makefile.in: Regenerate.
1680         * testsuite/Makefile.in: Regenerate.
1682 2010-04-06  Cary Coutant  <ccoutant@google.com>
1684         gcc PR lto/42757
1685         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1686         prevailing definitions of common symbols.
1687         * testsuite/plugin_test_6.sh: New test case.
1688         * testsuite/plugin_common_test_1.c: New test case.
1689         * testsuite/plugin_common_test_2.c: New test case.
1690         * testsuite/Makefile.am (plugin_test_6): New test case.
1691         * testsuite/Makefile.in: Regenerate.
1693 2010-04-06  Nick Clifton  <nickc@redhat.com>
1695         * po/vi.po: New Vietnamese translation.
1697 2010-03-30  Doug Kwan  <dougkwan@google.com>
1699         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1701 2010-03-25  Doug Kwan  <dougkwan@google.com>
1703         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1704         to avoid a conversion warning on a 32-bit host.
1706 2010-03-24  Ian Lance Taylor  <iant@google.com>
1708         * testsuite/script_test_3.t: Add a TLS segment.
1709         * testsuite/Makefile.am (check_PROGRAMS): Add
1710         tls_phdrs_script_test.
1711         (tls_phdrs_script_test_SOURCES): Define.
1712         (tls_phdrs_script_test_DEPENDENCIES): Define.
1713         (tls_phdrs_script_test_LDFLAGS): Define.
1714         (tls_phdrs_script_test_LDADD): Define.
1715         * testsuite/Makefile.in: Rebuild.
1717 2010-03-23  Cary Coutant  <ccoutant@google.com>
1719         * fileread.cc (find_or_make_view): Fix comment.
1721 2010-03-23  Ian Lance Taylor  <iant@google.com>
1723         * script-sections.cc (class Orphan_section_placement): Define
1724         PLACE_TLS and PLACE_TLS_BSS.
1725         (Orphan_section_placement::Orphan_section_placement): Initialize
1726         new places.
1727         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1728         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1729         (tls_script_test_SOURCES): Define.
1730         (tls_script_test_DEPENDENCIES): Define.
1731         (tls_script_test_LDFLAGS): Define.
1732         (tls_script_test_LDADD): Define.
1733         * testsuite/Makefile.in: Rebuild.
1735 2010-03-22  Doug Kwan  <dougkwan@google.com>
1737         * arm.cc (Arm_relocate_functions::abs8,
1738         Arm_relocate_functions::abs16): Use correct check for overflow
1739         specified in the ARM ELF specs.
1740         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
1741         target of a BLX instruction specially.
1742         (Reloc_stub::stub_type_for_reloc): Ditto.
1743         (Relocate::relocate): Use symbolic names instead of numeric relocation
1744         codes to report error.
1745         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1746         workaround.
1747         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1748         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1749         thumb2_blx_out_of_range.stdout
1750         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1751         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1752         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1753         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1754         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1755         thumb2_blx_in_range, thumb2_blx_in_range.o,
1756         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1757         thumb2_blx_out_of_range.o): New rules.
1758         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1759         thumb2_blx_in_range and thumb2_blx_out_of_range.
1760         * testsuite/Makefile.in: Regenerate.
1761         * arm_branch_in_range.sh: Add tests for THUMB BLX.
1762         * testsuite/thumb_blx_in_range.s: New file.
1763         * testsuite/thumb_blx_out_of_range.s: New file.
1765 2010-03-22  Rafael Espindola  <espindola@google.com>
1767         * archive.cc (Should_include): Move to archive.h.
1768         (should_include_member): Make it a member of Archive.
1769         (Lib_group): New.
1770         (Add_lib_group_symbols): New.
1771         * archive.h: Include options.h.
1772         (Archive_member): Moved from Archive.
1773         (Should_include): Moved from archive.cc.
1774         (Lib_group): New.
1775         (Add_lib_group_symbols): New.
1776         * dynobj.cc (do_should_include_member): New.
1777         * dynobj.h (do_should_include_member): New.
1778         * gold.cc (queue_initial_tasks): Update call to queue.
1779         * main.cc (main): Print lib group stats.
1780         * object.cc (do_should_include_member): New.
1781         * object.h: Include archive.h.
1782         (Object::should_include_member): New.
1783         (Object::do_should_include_member): New.
1784         (Sized_relobj::do_should_include_member): New.
1785         * options.cc (General_options::parse_start_lib): New.
1786         (General_options::parse_end_lib): New.
1787         (Input_arguments::add_file): Handle lib groups.
1788         (Input_arguments::start_group): Check we are not in a lib.
1789         (Input_arguments::start_lib): New.
1790         (Input_arguments::end_lib): New.
1791         * options.h (General_options): Add start_lib and end_lib.
1792         (Input_argument::lib_): New.
1793         (Input_argument::lib): New.
1794         (Input_argument::is_lib): New.
1795         (Input_file_lib): New.
1796         (Input_arguments::in_lib_): New.
1797         (Input_arguments::in_lib): New.
1798         (Input_arguments::start_lib): New.
1799         (Input_arguments::end_lib_): New.
1800         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1801         in unused members as preempted.
1802         (Sized_pluginobj::do_should_include_member): New.
1803         * plugin.h (Sized_pluginobj::do_should_include_member): New.
1804         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1805         return the blocker.
1806         (Read_symbols::do_whole_lib_group): New.
1807         (Read_symbols::do_lib_group): New.
1808         (Read_symbols::do_read_symbols): Handle lib groups.
1809         (Read_symbols::get_name): Handle lib groups.
1810         * readsyms.h (Read_symbols): Add an archive member pointer.
1811         (Read_symbols::do_whole_lib_group): New.
1812         (Read_symbols::do_lib_group): New.
1813         (Read_symbols::member_): New.
1814         * script.cc (read_input_script): Update call to queue_soon.
1816 2010-03-19  Doug Kwan  <dougkwan@google.com>
1818         * arm.cc (Stub_table::Stub_table): Initialize new data members
1819         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1820         (Stub_table::add_reloc_stub): Assign stub offset and update
1821         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1822         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1823         New data members.
1824         (Stub_table::update_data_size_and_addralign): Use
1825         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1826         instead of going over all reloc stubs.
1827         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1828         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1829         Stringpool_template::offset_ to size of Stringpool_char.
1830         (Stringpool_template::new_key_offset): Remove code to initialize
1831         Stringpool_template::offset_.
1832         * stringpool.h (Stringpool_template::set_no_zero_null): Set
1833         Stringpool_template::offset_ to zero.
1835 2010-03-15  Doug Kwan  <dougkwan@google.com>
1837         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1838         offset_.
1839         (Stringpool_template::new_key_offset): New method.
1840         (Stringpool_template::add_string): Assign offsets when adding new
1841         strings.
1842         (Stringpool_template::set_string_offsets): Do not set string offsets
1843         when not optimizing.
1844         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1845         member size_.
1846         (Chunked_vector::clear): Clear size_.
1847         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1848         (Chunked_vector::size): Return size_.
1849         (Chunked_vector::push_back): Use size_ to find insert position.
1850         (Chunked_vector::size_): New data member.
1851         (Stringpool_template::set_no_zero_null): Assert string set is empty.
1852         (Stringpool_template::new_key_offset): New method declaration.
1853         (Stringpool_template::offset_): New data member.
1855 2010-03-15   Rafael Espindola  <espindola@google.com>
1857         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1858         Add_symbols' constructor.
1859         * readsyms.h (Add_symbols): Remove the input_group member.
1861 2010-03-10  Ian Lance Taylor  <iant@google.com>
1863         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1864         target to ask whether a reference to a symbol requires a stack
1865         split.
1866         * target.h (Target::is_call_to_non_split): New function.
1867         (Target::do_is_call_to_non_split): Declare virtual function.
1868         * target.cc: Include "symtab.h".
1869         (Target::do_is_call_to_non_split): New function.
1870         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1872 2010-03-10  Cary Coutant  <ccoutant@google.com>
1874         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
1875         (File_read::open[1]): Remove initial mapping of whole_file_view_.
1876         (File_read::open[2]): Add whole_file_view_ to list of views.
1877         (File_read::make_view): Remove test of whole_file_view_.
1878         (File_read::find_or_make_view): Create whole_file_view_ if
1879         necessary.
1880         (File_read::clear_views): Replace bool parameter with enum;
1881         adjust all callers.  Don't delete views with permanent data;
1882         do delete cached views and views from archives if
1883         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
1884         if clearing the corresponding view.
1885         * fileread.h (File_read::Clear_views_mode): New enum.
1886         (File_read::View::is_permanent_view): New method.
1887         (File_read::clear_views): Replace bool parameter
1888         with enum; adjust all callers.
1889         * options.h (General_options): Change keep_files_mapped option;
1890         add map_whole_files.
1891         * readsyms.cc (Add_symbols::run): Delete sd_ object before
1892         releasing the file.
1893         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1894         the file.
1896 2010-03-10  David S. Miller  <davem@davemloft.net>
1898         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1900 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
1902         * icf.cc (get_section_contents): Add '@' marker after processing the
1903         merge reloc.
1905 2010-03-08  Doug Kwan  <dougkwan@google.com>
1907         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1908         due to a conversion warning.
1909         (Arm_relobj::update_output_local_symbol_count): Check for local
1910         symbol with unset output index.
1912 2010-03-05  Ian Lance Taylor  <iant@google.com>
1914         * options.h (class General_options): Add --spare-dynamic-tags.
1915         * output.cc (Output_data_dynamic::set_final_data_size): Implement
1916         --spare-dynamic-tags.
1918 2010-03-05  Ian Lance Taylor  <iant@google.com>
1920         * incremental.cc: Include "libiberty.h".
1922 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1924         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
1925         function, is_info_ member.
1926         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
1927         (Versions::Versions): Update caller.
1928         (Versions::define_base_version): Likewise.
1929         (Versions::add_def): Likewise.
1931 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
1933         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
1934         (Scan::possible_function_pointer_reloc): New function.
1935         (Scan::local_reloc_may_be_function_pointer): Change to call
1936         possible_function_pointer_reloc.
1937         (Scan::global_reloc_may_be_function_pointer): Ditto.
1938         * icf.h (Icf::check_section_for_function_pointers): Change to reject
1939         relocations in ".data.rel.ro._ZTV" section.
1940         * testsuite/icf_safe_so_test.sh: Change to pass i386.
1941         * testsuite/icf_safe_so_test.cc: Ditto.
1942         * testsuite/icf_safe_test.cc: Ditto.
1943         * testsuite/icf_safe_test.sh: Ditto.
1945 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1946             Ian Lance Taylor  <iant@google.com>
1948         * target-reloc.h (relocate_section): Check the symbol table index
1949         for -1U before setting the local symbol index.
1950         (scan_relocatable_relocs): If copying the relocation, record that
1951         the local symbol is required.
1952         * object.h (Symbol_value::is_output_symtab_index_set): New
1953         function.
1954         (Symbol_value::may_be_discarded_from_output_symtab): New
1955         function.
1956         (Symbol_value::has_output_symtab_entry): New function.
1957         (Symbol_value::needs_output_symtab_entry): Remove.
1958         (Symbol_value::output_symtab_index): Make sure the symbol index is
1959         set.
1960         (Symbol_value::set_output_symtab_index): Make sure the symbol
1961         index is not set.  Make sure the new index is valid.
1962         (Symbol_value::set_must_have_output_symtab_entry): New function.
1963         (Symbol_value::has_output_dynsym_entry): New function.
1964         (Symbol_value::set_output_dynsym_index): Make sure the new index
1965         is valid.
1966         (Sized_relobj::set_must_have_output_symtab_entry): New function.
1967         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
1968         local symbol if permitted.
1969         (Sized_relobj::do_finalize_local_symbols): Call
1970         is_output_symtab_index_set rather than needs_output_symtab_entry.
1971         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
1972         rather than needs_output_symtab_entry.  Call
1973         has_output_dynsym_entry rather than needs_output_dynsym_entry.
1974         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
1975         is_output_symtab_index_set rather than needs_output_symtab_entry.
1976         * testsuite/discard_locals_relocatable_test.c: New file.
1977         * testsuite/discard_locals_test.sh: Test -r.
1978         * testsuite/Makefile.am (check_DATA): Add
1979         discard_locals_relocatable_test1.syms,
1980         discard_local_relocatable_test2.syms.
1981         (MOSTLYCLEANFILES): Likewise.  Also add
1982         discard_locals_relocatable_test1.lout and
1983         discard_locals_relocatable_test2.out.
1984         (discard_locals_relocatable_test1.syms): New target.
1985         (discard_locals_relocatable_test.o): New target.
1986         (discard_locals_relocatable_test1.out): New target.
1987         (discard_locals_relocatable_test2.syms): New target.
1988         (discard_locals_relocatable_test2.out): New target.
1989         (various): Add missing ../ld-new dependencies.
1990         * testsuite/Makefile.in: Rebuild.
1992 2010-03-03  Nick Clifton  <nickc@redhat.com>
1994         * po/fi.po: New Finnish translation.
1996 2010-03-01  Doug Kwan  <dougkwan@google.com>
1998         * layout.cc (Layout::Layout): Force section types of .init_array*,
1999         .preinit_array* and .fini_array* sections.
2000         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2001         Fix check of return value of std::string::find.().
2002         (Output_section::Input_section_sort_compare::operator()): Remove
2003         comment about .init_array.
2004         (Output_section::Input_section_sort_init_fini_compare::operator()):
2005         New method.
2006         (Output_section::sort_attached_input_sections): Handle .init_array
2007         and .fini_array specially.
2008         * output.h (Output_section::Inut_section_sort_compare): Update
2009         comment.
2010         (Output_section::Input_section_sort_init_fini_compare): New struct.
2012 2010-02-26  Doug Kwan  <dougkwan@google.com>
2014         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2015         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2016         * testsuite/debug_msg.sh: Avoid matching source line number for
2017         use of global variable undef_int.
2019 2010-02-26  Doug Kwan  <dougkwan@google.com>
2021         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2022         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2023         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2024         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2025         * options.cc (General_options::General_options): Initialize member
2026         fix_v4bx_.
2027         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2028         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2029         and rm_no_fix_v4bx.stdout
2030         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2031         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2032         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2033         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2034         and arm_no_fix_v4bx.
2035         * Makefile.in: Regenerate.
2036         * testsuite/arm_fix_v4bx.s: New file.
2037         * testsuite/arm_fix_v4bx.sh: Ditto.
2039 2010-02-24  Doug Kwan  <dougkwan@google.com>
2041         * arm.cc (Target_arm::got_section): Make the .got section the first
2042         non RELRO section in the data segment.
2043         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2044         suffixes of section names.
2046 2010-02-24  Doug Kwan  <dougkwan@google.com>
2048         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2049         flags and attributes merging if an input file is a binary file.
2050         * fileread.cc (Input_file::open): Record format of original file.
2051         * fileread.h (Input_file::Format): New enum type.
2052         (Input_file::Input_file): Initialize data member format_.
2053         (Input_file::format): New method definition.
2054         (Input_file::format_):: New data member.
2056 2010-02-24  Doug Kwan  <dougkwan@google.com>
2058         * arm.cc (Arm_output_data_got): New class.
2059         (ARM_TCB_SIZE): New constant
2060         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2061         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2062         If user uses a script with a SECTIONS clause, issue only a warning
2063         for a misplaced EXIDX input section.  Otherwise, issue an error.
2064         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2065         garbage collection.
2066         (Target_arm::got_mode_index_entry): Handle static linking.
2067         (Target_arm::Scan::local): Ditto.
2068         (Target_arm::Scan::global): Ditto.
2069         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2070         all incorrectly implemented relocations.
2071         (Target_arm::fix_exidx_coverage): Pass layout to
2072         Arm_output_section::fix_exidx_coverage.
2073         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2074         from ".ARM.exidx." and ".ARM.extab.".
2076 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2078         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2079         section if it does not already exist.
2080         * attributes.cc (Attributes_section_data::Attributes_section_data):
2081         Don't crash if size is zero.
2083 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2084             Ian Lance Taylor  <iant@google.com>
2086         * gold.cc (queue_middle_tasks): If no input files were opened,
2087         exit.
2088         * workqueue.h (Task_function::Task_function): Assert that there is
2089         a blocker.
2091 2010-02-22  Doug Kwan  <dougkwan@google.com>
2093         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2094         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2095         types to avoid warnings due to different uint64_t implementations
2096         on different hosts.
2098 2010-02-21  Doug Kwan  <dougkwan@google.com>
2100         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2101         handling of the maximum backward branch offset.
2102         (Arm_relocate_functions::thumb_branch_common): Ditto.
2103         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2104         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2105         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2106         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2107         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2108         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2109         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2110         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2111         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2112         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2113         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2114         thumb2_bl_out_of_range.o): New rules.
2115         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2116         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2117         thumb2_bl_out_of_range
2118         * testsuite/Makefile.in: Regenerate.
2119         * testsuite/arm_bl_in_range.s: New file.
2120         * testsuite/arm_bl_out_of_range.s: Ditto.
2121         * testsuite/arm_branch_in_range.sh: Ditto.
2122         * testsuite/arm_branch_range.t: Ditto.
2123         * testsuite/thumb2_branch_range.t: Ditto.
2124         * testsuite/thumb_bl_in_range.s: Ditto.
2125         * testsuite/thumb_bl_out_of_range.s: Ditto.
2126         * testsuite/thumb_branch_range.t: Ditto.
2128 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2130         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2131         Add reloc offset information.
2132         * icf.cc (get_section_contents): Change iterators to point to the new
2133         vectors. Add reloc offset information to the contents.
2134         * icf.h (Icf::Sections_reachable_info): New typedef.
2135         (Icf::Sections_reachable_list): New typedef.
2136         (Icf::Offset_info): New typedef.
2137         (Icf::Reloc_info): New struct typedef.
2138         (Icf::Reloc_info_list): New typedef.
2139         (Icf::symbol_reloc_list): Delete method.
2140         (Icf::addend_reloc_list): Delete method.
2141         (Icf::section_reloc_list): Delete method.
2142         (Icf::reloc_info_list): New method.
2143         (Icf::reloc_info_list_): New member.
2145 2010-02-19  Doug Kwan  <dougkwan@google.com>
2147         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2148         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2149         * arm.cc (Arm_relocation_functions): New forward declaration.
2150         (Target_arm::Target_arm): Initialize new data members
2151         got_mod_index_offset_ and tls_base_symbol_defined_.
2152         (Target_arm::Relocate::relocate_tls): New method.
2153         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2154          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2155         New methods.
2156         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2157         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2158         (Target_arm::got_mod_index_offset_,
2159         Target_arm::tls_base_symbol_defined_): New data members.
2160         (Target_arm::Scan::local, Target::Scan::global,
2161         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2162         relocations.
2164 2010-02-18  Doug Kwan  <dougkwan@google.com>
2166         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2167         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2168         text section as a parameter becuase some broken tools may not set
2169         the link in section header.
2170         (Target_arm::has_got_section): New method.
2171         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2172         without any mapping symbol as data only.  Remove warning.
2173         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2174         link in its section header, try to discover the link by inspecting the
2175         REL31 relocation at the beginning of the section.
2176         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2177         in error message.
2178         (Target_arm::Scan::global): Treat any reference to the symbol
2179         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2181 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2183         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2184         (Scan::global_reloc_may_be_function_pointer): New function.
2185         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2186         (Scan::global_reloc_may_be_function_pointer): New function.
2187         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2188         (Scan::global_reloc_may_be_function_pointer): New function.
2189         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2190         (Scan::global_reloc_may_be_function_pointer): New function.
2191         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2192         (Scan::global_reloc_may_be_function_pointer): New function.
2193         (Scan::possible_function_pointer_reloc): New function.
2194         (Target_x86_64::can_check_for_function_pointers): New function.
2195         * gc.h (gc_process_relocs): Scan relocation types to determine if
2196         function pointers were taken for targets that support it.
2197         * icf.cc (Icf::find_identical_sections): Include functions for
2198         folding in safe ICF whose pointer is not taken.
2199         * icf.h (Secn_fptr_taken_set): New typedef.
2200         (fptr_section_id_): New member.
2201         (section_has_function_pointers): New function.
2202         (set_section_has_function_pointers): New function.
2203         (check_section_for_function_pointers): New function.
2204         * options.h: Fix comment for safe ICF option.
2205         * target.h (can_check_for_function_pointers): New function.
2206         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2207         Modify icf_safe_test for X86-64.
2208         * testsuite/Makefile.in: Regenerate.
2209         * testsuite/icf_safe_so_test.cc: New file.
2210         * testsuite/icf_safe_so_test.sh: New file.
2211         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2212         (main): Change to take pointer to function kept_func_3.
2213         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2214         folding is done correctly for X86-64.
2216 2010-02-12  David S. Miller  <davem@davemloft.net>
2218         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2219         is_symbolless parameter.
2220         (Output_reloc<SHT_REL>::is_symbolless): New.
2221         (Output_reloc<SHT_REL>::is_symbolless_): New.
2222         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2223         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2224         (Output_reloc<SHT_RELA>::is_symbolless): New.
2225         (Output_data_reloc::add_global): Handle is_symbolless.
2226         (Output_data_reloc::add_global_relative): Likewise.
2227         (Output_data_reloc::add_local): Likewise.
2228         (Output_data_reloc::add_local_relative): Likewise.
2229         (Output_data_reloc::add_symbolless_global_addend): New.
2230         (Output_data_reloc::add_symbolless_local_addend): New.
2231         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2232         is_symbolless.
2233         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2234         instead of ->is_relative_
2235         (Output_reloc::write): Likewise.
2236         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2237         (Output_reloc::write_rel): Simplify.
2239         * sparc.cc (Target_sparc::Scan::local): Use
2240         ->add_symbolless_local_addend as needed.
2241         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2242         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2243         based upon relocation offset.
2245 2010-02-11  Doug Kwan  <dougkwan@google.com>
2247         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2248         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2249         beginning of function.
2250         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2251         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2252         parameter is_32bit in calls to should_apply_static_reloc.
2253         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2254         (check_DATA): Add arm_abs_global.stdout.
2255         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2256         arm_abs_global.stdout): New rules.
2257         (MOSTLLYCLEANFILES): Add arm_abs_global
2258         * Makefile.in: Regenerate.
2259         * testsuite/arm_abs_global.s: New file.
2260         * testsuite/arm_abs_global.sh: Ditto.
2261         * testsuite/arm_abs_lib.s: Ditto.
2263 2010-02-11  Ian Lance Taylor  <iant@google.com>
2265         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2266         Read_relocs task.
2267         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2268         Allocate_commons_task first.
2269         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2270         task, rather than symtab_lock_.
2271         (Gc_process_relocs::~Gc_process_relocs): New function.
2272         (Gc_process_relocs::is_runnable): Check this_blocker_.
2273         (Gc_process_relocs::locks): Use next_blocker_ rather than
2274         blocker_.
2275         (Scan_relocs::~Scan_relocs): New function.
2276         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2277         symtab_lock_.
2278         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2279         next_blocker_.
2280         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2281         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2282         constructor accordingly.
2283         (class Gc_process_relocs): Likewise.
2284         (class Scan_relocs): Likewise.
2285         * common.h (class Allocate_commons_task): Remove symtab_lock_
2286         field, and corresponding constructor parameter.
2287         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2288         symtab_lock_.
2289         (Allocate_commons_task::locks): Likewise.
2291 2010-02-11  Ian Lance Taylor  <iant@google.com>
2293         * gold-threads.h (class Once): Define.
2294         (class Initialize_lock): Rewrite as child of Once.
2295         * gold-threads.cc (class Once_initialize): Define.
2296         (once_pointer_control): New static variable.
2297         (once_pointer, once_arg): New static variables.
2298         (c_run_once): New static function.
2299         (Once::Once, Once::run_once, Once::internal_run): New functions.
2300         (class Initialize_lock_once): Remove.
2301         (initialize_lock_control): Remove.
2302         (initialize_lock_pointer): Remove.
2303         (initialize_lock_once): Remove.
2304         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2305         (Initialize_lock::initialize): Rewrite.
2306         (Initialize_lock::do_run_once): New function.
2307         * archive.cc (Archive::interpret_header): Only clear name if it is
2308         not already empty.
2309         * fileread.cc: Include "gold-threads.h"
2310         (file_counts_lock): New static variable.
2311         (file_counts_initialize_lock): Likewise.
2312         (File_read::release): Only increment counts when using --stats.
2313         Use a lock around the increment.
2314         * parameters.cc (class Set_parameters_target_once): Define.
2315         (set_parameters_target_once): New static variable.
2316         (Parameters::Parameters): Move here from parameters.h.
2317         (Parameters::set_target): Rewrite.
2318         (Parameters::set_target_once): New function.
2319         (Parameters::clear_target): Move here and rewrite.
2320         * parameters.h (class Parameters): Update declarations.  Add
2321         set_parameters_target_once_ field.
2322         (Parameters::Parameters): Move to parameters.cc.
2323         (Parameters::clear_target): Likewise.
2324         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2325         task.
2326         (Start_group::~Start_group): New function.
2327         (Start_group::is_runnable): New function.
2328         (Start_group::locks, Start_group::run): New functions.
2329         (Finish_group::run): Change saw_undefined to size_t.
2330         * readsyms.h (class Start_group): Define.
2331         (class Finish_group): Change saw_undefined_ field to size_t.
2332         (Finish_group::Finish_group): Remove saw_undefined and
2333         this_blocker parameters.  Change all callers.
2334         (Finish_group::set_saw_undefined): New function.
2335         (Finish_group::set_blocker): New function.
2336         * symtab.h (class Symbol_table): Change saw_undefined to return
2337         size_t.  Change saw_undefined_ field to size_t.
2338         * target-select.cc (Set_target_once::do_run_once): New function.
2339         (Target_selector::Target_selector): Initialize set_target_once_
2340         field.  Don't initialize lock_ and initialize_lock_ fields.
2341         (Target_selector::instantiate_target): Rewrite.
2342         (Target_selector::set_target): New function.
2343         * target-select.h (class Set_target_once): Define.
2344         (class Target_selector): Update declarations.  Make
2345         Set_target_once a friend.  Remove lock_ and initialize_lock_
2346         fields.  Add set_target_once_ field.
2348 2010-02-10  Ian Lance Taylor  <iant@google.com>
2350         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2351         queueing any tasks.
2352         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2353         (queue_middle_tasks): Add all blockers before queueing any tasks.
2354         (queue_final_tasks): Likewise.
2355         * token.h (Task_token::add_blockers): New function.
2356         * object.h (Input_objects::number_of_relobjs): New function.
2358 2010-02-10  Ian Lance Taylor  <iant@google.com>
2360         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2361         shared, not if not position independent.
2362         * x86_64.cc (Relocate::relocate_tls): Likewise.
2363         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2364         (tls_pie_pic_test): New target.
2365         * testsuite/Makefile.in: Rebuild.
2367         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2368         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2369         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2370         * testsuite/Makefile.in: Rebuild.
2372 2010-02-09  David S. Miller  <davem@davemloft.net>
2374         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2375         R_SPARC_RELATIVE using ->add_local_relative().
2376         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2378         * output.h (Output_data_dynamic::add_section_size): New method
2379         that takes two Output_data objects.
2380         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2381         entry param.  Handle it in initializers.
2382         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2383         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2384         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2385         arg.
2386         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2387         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2388         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2389         for dynrel_includes_plt.
2390         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2391         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2392         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2393         before .rela.plt
2394         (Target_sparc::do_finalize_sections): Update to pass true for
2395         dynrel_includes_plt.
2396         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2397         output before .rela.plt
2398         (Target_powerpc::do_finalize_sections): Update to pass true for
2399         dynrel_includes_plt when 32-bit.
2401 2010-02-08  Doug Kwan  <dougkwan@google.com>
2403         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2404         method.
2405         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2406         Arm_relobj::scan_section_for_cortex_a8_stubs,
2407         Arm_relobj::do_relocation_section): Instead of calling
2408         Output_section::output_address, use faster
2409         Arm_relobj::simple_input_section_output_address.
2411 2010-02-08  David S. Miller  <davem@davemloft.net>
2413         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2414         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2415         relocation helper function.
2417         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2418         just like R_SPARC_GOT{10,13,22}.
2419         (Target_sparc::Scan::local): Likewise.
2420         (Target_sparc::Relocate:relocate): Likewise.
2422 2010-02-06  Ian Lance Taylor  <iant@google.com>
2424         * configure.ac: Rewrite targetobjs duplicate removal code to use
2425         only shell constructs.
2426         * configure: Rebuild.
2428 2010-02-05  Doug Kwan  <dougkwan@google.com>
2430         PR 11247
2431         * arm.cc (Arm_relobj::section_is_scannable): New method.
2432         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2433         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2435 2010-02-04  Doug Kwan  <dougkwan@google.com>
2437         PR 11247
2438         * arm-reloc-property.cc (cstdio): Include.
2439         * configure.ac (targetobjs): Remove duplicates.
2440         * configure: Regenerate.
2441         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2442         big and little endian version for a given address size.
2444 2010-02-03  Doug Kwan  <dougkwan@google.com>
2446         * arm-reloc-property.cc
2447         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2448         definition.
2449         * arm-reloc-property.h
2450         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2451         New method definition.
2452         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2453         declaration.
2454         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2455         overflow to N.
2456         (GOT_PREL): Change implemented to Y.
2457         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2458         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2459         (Arm_relocate_functions::movw_abs_nc): Remove method.
2460         (Arm_relocate_functions::movt_abs): Ditto.
2461         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2462         (Arm_relocate_functions::thm_movt_abs): Ditto.
2463         (Arm_relocate_functions::movw_rel_nc): Ditto.
2464         (Arm_relocate_functions::movw_rel): Ditto.
2465         (Arm_relocate_functions::movt_rel): Ditto.
2466         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2467         (Arm_relocate_functions:thm_movw_rel): Ditto.
2468         (Arm_relocate_functions:thm_movt_rel): Ditto.
2469         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2470         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2471         New method definitions.
2472         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2473         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2474         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2475         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2476         (Target_arm::Relocate::relocate): Check for non-static or
2477         unimplemented relocation code and exit early.  Change calls to
2478         Target_arm::reloc_uses_thumb_bit and
2479         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2480         instead.  Refactor code to handle similar relocations to increase
2481         code sharing.  Remove check for unsupported relocation code in switch
2482         statement.
2483         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2484         relocation property table to find out size.  Change error message to
2485         print out the name of a relocation code instead of the numeric value.
2486         (Target_arm::scan_reloc_for_stub): Use relocation property table
2487         instead of calling Target_arm::reloc_uses_thumb_bit().
2489 2010-02-02  Doug Kwan  <dougkwan@google.com>
2491         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2492         types of relaxed input section.
2494 2010-02-02  Doug Kwan  <dougkwan@google.com>
2496         * Makefile.am (HFILES): Add arm-reloc-property.h.
2497         (DEFFILES): New.
2498         (TARGETSOURCES): Add arm-reloc-property.cc
2499         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2500         (libgold_a_SOURCES): $(DEFFILES)
2501         * Makefile.in: Regenerate.
2502         * arm-reloc-property.cc: New file.
2503         * arm-reloc-property.h: New file.
2504         * arm-reloc.def: New file.
2505         * arm.cc: Update comments.
2506         (arm-reloc-property.h): New included header.
2507         (arm_reloc_property_table): New global variable.
2508         (Target_arm::do_select_as_default_target): New method definition.
2509         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2510         arm-reloc-property to targ_extra_obj.
2511         * parameters.cc (set_parameters_target): Call
2512         Target::select_as_default_target().
2513         * target.h (Target::select_as_default_target): New method definition.
2514         (Target::do_select_as_default_target): Same.
2516 2010-02-01  Doug Kwan  <dougkwan@google.com>
2518         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2519         first_output_text_section_.
2520         (Arm_exidx_fixup::first_output_text_section): New method definition.
2521         (Arm_exidx_fixup::first_output_text_section_): New data member.
2522         (Arm_exidx_fixup::process_exidx_section): Record the first text
2523         output section seen.
2524         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2525         and entsize in output section header.
2527 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2529         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2530         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2531         (Arm_relocate_functions::thm_alu11): New Method.
2532         (Arm_relocate_functions::thm_pc8): New Method.
2533         (Arm_relocate_functions::thm_pc12): New Method.
2534         (Target_arm::Scan::local): Handle the relocations.
2535         (Target_arm::Scan::global): Likewise.
2536         (Target_arm::Relocate::relocate): Likewise.
2537         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2539 2010-01-29  Doug Kwan  <dougkwan@google.com>
2541         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2542         of relocation types as ld.
2544 2010-01-29  Doug Kwan  <dougkwan@google.com>
2546         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2547         to public.
2548         (Arm_relocate_functions::thumb_branch_common): Ditto.
2549         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2550         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2551         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2552         Arm_relocate_functions::jump24): Remove.
2553         (Target_arm::Relocate::relocate): Adjust code to call
2554         Arm_relocation_functions::arm_branch_common and
2555         Arm_relocation_functions::thumb_branch_common instead of their removed
2556         wrappers.  Merge switch-cases together to reduce source code size.
2558 2010-01-29  Doug Kwan  <dougkwan@google.com>
2560         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2561         output_local_symbol_count_needs_update_.
2562         (Arm_relobj::output_local_symbol_count_needs_update,
2563          Arm_relobj::set_output_local_symbol_count_needs_update,
2564          Arm_relobj::update_output_local_symbol_count): New methods.
2565         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2566         member.
2567         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2568         of pointed function as in a R_ARM_PREL31 relocation.
2569         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2570         for output local symbol count updating.
2571         (Target_arm::do_relax): Update output local symbol counts in objects
2572         if necessary.
2573         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2575 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2577         * arm.cc: Added support for the ARM relocations:
2578         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2579         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2580         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2581         movw_prel_nc).
2582         (Arm_relocate_functions::movw_rel): New method.
2583         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2584         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2585         thm_movw_prel_nc).
2586         (Arm_relocate_functions::thm_movw_rel): New method.
2587         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2588         thm_movt_prel).
2589         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2590         relocations.
2591         (Target_arm::Scan::global): Likewise.
2592         (Target_arm::Relocate::relocate): Likewise.
2593         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2594         Likewise.
2596 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2598         * arm.cc: Added support for ARM group relocations.
2599         (Target_arm::reloc_needs_sym_origin): New method.
2600         (Arm_relocate_functions::calc_grp_kn): New method.
2601         (Arm_relocate_functions::calc_grp_residual): New method.
2602         (Arm_relocate_functions::calc_grp_gn): New method.
2603         (Arm_relocate_functions::arm_grp_alu): New Method.
2604         (Arm_relocate_functions::arm_grp_ldr): New Method.
2605         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2606         (Arm_relocate_functions::arm_grp_ldc): New Method.
2607         (Target_arm::Scan::local): Handle the ARM group relocations.
2608         (Target_arm::Scan::global): Likewise.
2609         (Target_arm::Relocate::relocate): Likewise.
2610         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2611         Likewise.
2613 2010-01-26  Doug Kwan  <dougkwan@google.com>
2615         * arm.cc (set): Include.
2616         (class Arm_exidx_fixup): Change type of last_input_section_ to const
2617         pointer type.
2618         (Arm_output_section::Text_section_list): New type.
2619         (Arm_output_section::append_text_sections_to_list): New method.
2620         (Arm_output_section::fix_exidx_coverage): Ditto.
2621         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2622         (Arm_relobj::convert_input_section_to_relaxed_section): Use
2623         Relobj::set_section_offset() instead of
2624         Sized_relobj::invalidate_section_offset().
2625         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2626         parameter for section headers. Ignore relocation sections for
2627         unallocated sections and EXIDX sections.
2628         (Target_arm::fix_exidx_coverage): New method.
2629         (Target_arm::output_section_address_less_than): New type.
2630         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2631         linked text section instead of the EXIDX section.
2632         (Arm_output_section::create_stub_group): Add an assertion to check
2633         that this is not an EXIDX output section.
2634         (Arm_output_section::append_text_sections_to_list): New method.
2635         (Arm_output_section::fix_exidx_coverage): Ditto.
2636         (Arm_relobj::scan_sections_for_stubs): Adjust call to
2637         Arm_relobj::section_needs_reloc_stub_scanning.
2638         (Target_arm::do_relax): Fix EXIDX output section coverage in the
2639         first pass.
2640         (Target_arm::fix_exidx_coverage): New method.
2641         * object.h (Relobj::set_output_section): New method.
2642         (Sized_relobj::invalidate_section_offset): Remove method.
2643         (Sized_relobj::do_invalidate_section_offset): Remove method.
2644         (Sized_relobj::do_set_section_offset): Handle offset value -1.
2646 2010-01-25  Doug Kwan  <dougkwan@google.com>
2648         * arm.cc (Arm_exidx_merged_section::do_output_offset):
2649         Fix warning due to signed and unsigned comparison on a 32-bit host.
2651 2010-01-22  Doug Kwan  <dougkwan@google.com>
2653         * arm.cc (Target_arm::do_relax): Record an output section for section
2654         offset adjustment it contains any stub table that has changed.
2655         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2656         offsets in an output section if necessary.
2657         * output.cc (Output_section::Output_section): Initialize
2658         section_offsets_need_adjustments_.
2659         (Output_section::add_input_section_for_script): Renamed to
2660         Output_section::add_simple_input_section.
2661         (Output_section::save_states): Add a comment.
2662         (Output_section::discard_states): New method defintion.
2663         (Output_section::adjust_section_offsets): Same.
2664         * output.h (Output_section::add_input_section_for_script): Renamed to
2665         Output_section::add_simple_input_section.
2666         (Output_section::discard_states): New method declaration.
2667         (Output_section::adjust_section_offsets): Same.
2668         (Output_section::section_offsets_need_adjustment,
2669         Output_section::set_section_offsets_need_adjustment): New method
2670         definitions.
2671         (Output_section::section_offsets_need_adjustment_): New data member.
2672         * script-sections.cc
2673         (Output_section_element_input::set_section_address): Adjust code for
2674         renaming of Output_section::add_input_section_for_script.
2675         (Orphan_output_section::set_section_address): Same.
2677 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2679         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2680         Fix_v4bx enum values .
2681         * gold/options.h (General_options): New option definitions.
2682         (General_options::fix_v4bx): New method.
2683         (General_options::Fix_v4bx): New enum.
2684         * gold/options.cc (General_options::parse_fix_v4bx): New method.
2685         (General_options::parse_fix_v4bx_interworking): New method.
2687 2010-01-22  Doug Kwan  <dougkwan@google.com>
2689         * arm.cc (Arm_exidx_fixup): New class.
2691 2010-01-21  Doug Kwan  <dougkwan@google.com>
2693         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2694         classes.
2695         (Arm_exidx_section_offset_map): New type.
2697 2010-01-21  Doug Kwan  <dougkwan@google.com>
2699         * arm.cc (Arm_exidx_input_section): New class.
2700         (Arm_relobj::exidx_input_section_by_link,
2701         Arm_relobj::exidx_input_section_by_shndx,
2702         Arm_relobj::make_exidx_input_section): New methods.
2703         (read_arm_attributes_section): Remove.
2704         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2705         information about them.
2706         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2707         to here.
2709 2010-01-20  Doug Kwan  <dougkwan@google.com>
2711         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2712         Input_section_specifier to Section_id.
2713         (Target_arm::new_arm_input_section: Adjust code for change of key
2714         type.
2715         (Target_arm::find_arm_input_section): Ditto.
2716         * gc.h (object.h): Include for Section_id nand Section_id_hash.
2717         (Section_id): Remove.
2718         (Garbage_collection::Section_id_hash): Remove.
2719         * icf.h (object.h): Include for Section_id nand Section_id_hash.
2720         (Section_id): Remove.
2721         (Icf::Section_id_hash): Remove.
2722         * object.h (Section_id, Const_section_id, Section_id_hash,
2723         Const_section_id_hash): New type definitions.
2724         * output.cc (Output_section::add_relaxed_input_section): Change to
2725         use Const_section_id instead of Input_section_specifier as key type.
2726         (Output_section::add_merge_input_section): Ditto.
2727         (Output_section::build_relaxation_map): Change to use Section_id
2728         instead of Input_section_specifier as key type.
2729         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2730         Ditto.
2731         (Output_section::convert_input_sections_to_relaxed_sections): Change
2732         to use Const_section_id instead of Input_section_specifier as key type.
2733         (Output_section::find_merge_section): Ditto.
2734         (Output_section::find_relaxed_input_section): Ditto.
2735         * output.h (Input_section_specifier): Remove class.
2736         (Output_section::Output_section_data_by_input_section_map): Change
2737         key type to Const_section_id.
2738         (Output_section::Output_relaxed_input_section_by_input_section_map):
2739         Ditto.
2740         (Output_section::Relaxation_map): Change key type to Section_id.
2742 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2744         * gold/arm.cc: Added support for R_ARM_V4BX relocation
2745         (class Arm_v4bx_stub): New class.
2746         (DEF_STUBS): Updated definition to support v4_veneer_bx.
2747         (Stub_factory::make_arm_v4bx_stub): New method.
2748         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2749         (Stub_table::empty): Handle v4bx stubs.
2750         (Stub_table::add_arm_v4bx_stub): New method.
2751         (Stub_table::find_arm_v4bx_stub): New method.
2752         (Arm_relocate_functions::v4bx): New method.
2753         (Target_arm::fix_v4bx): New method.
2754         (Target_arm::Target_arm): Handle R_ARM_V4BX.
2755         (Stub_table::relocate_stubs): Likewise.
2756         (Stub_table::do_write): Likewise.
2757         (Stub_table::update_data_size_and_addralign): Likewise.
2758         (Stub_table::finalize_stubs):  Likewise.
2759         (Target_arm::Scan::local): Likewise.
2760         (Target_arm::Scan::global): Likewise.
2761         (Target_arm::do_finalize_sections): Likewise.
2762         (Target_arm::Relocate::relocate): Likewise.
2763         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2764         Likewise.
2765         (Target_arm::scan_reloc_for_stub): Likewise.
2766         (Target_arm::scan_reloc_section_for_stubs): Likewise.
2768 2010-01-19  Ian Lance Taylor  <iant@google.com>
2770         * output.cc (Output_section_headers::do_sized_write): Write large
2771         segment count to sh_info field.
2772         (Output_file_header::do_sized_write): For large segment count,
2773         write PN_XNUM to e_phnum field.
2775 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2777         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2778         (Arm_relocate_functions::thm_jump8): New function.
2779         (Arm_relocate_functions::thm_jump11): New function.
2780         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2781         R_ARM_THM_JUMP11.
2782         (Target_arm::Scan::global): Likewise.
2783         (Target_arm::Relocate::relocate): Likewise.
2784         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2785         Likewise.
2787 2010-01-14  Doug Kwan  <dougkwan@google.com>
2789         * arm.cc (map, utility): Include headers.
2790         (Target_arm::apply_cortex_a8_workaround): New method.
2791         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2792         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2793         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2794         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2795         the --[no-]fix-cortex-a8 command line options.
2796         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2797         (Target_arm::relocate_stub): Use addend in instruction template.
2798         * options.h (DEFINE_bool): Set the user-set flag.
2799         (General_options): Add --[no-]-fix-cortex options.
2800         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2801         : Update fast look-up map after conversion.
2803 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
2805         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2806         in the first pass of do_layout.
2808 2010-01-13  Doug Kwan  <dougkwan@google.com>
2810         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2811         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2812         apparent compiler problem of not folding static constant integral
2813         data members of elfcpp::Elf_sizes<32>.
2815 2010-01-13  Doug Kwan  <dougkwan@google.com>
2817         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2818         Arm_relobj::section_needs_cortex_a8_stub_scanning,
2819         Arm_relobj::scan_section_for_cortex_a8_erratum,
2820         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2821         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2822         sections to scan for relocation stubs into a new method
2823         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
2824         relocation and Cortex-A8 stub scanning.
2825         (Target_arm::do_relax): Force stubs to be after stubbed sections
2826         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
2827         the beginning of a new relaxation pass.  Update a comment.
2828         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2830 2010-01-12  Ian Lance Taylor  <iant@google.com>
2832         * target-reloc.h (visibility_error): New inline function.
2833         (relocate_section): Call visibility_error.
2834         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2835         (MOSTLYCLEANFILES): Likewise.
2836         (protected_4_pic.o, protected_3.err): New targets.
2837         * testsuite/protected_4.cc: New file.
2839 2010-01-12  Doug Kwan  <dougkwan@google.com>
2841         * arm.cc (Cortex_a8_reloc): New class.
2842         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2843         and cortex_a8_relocs_info_.
2844         (Target_arm::fix_cortex_a8): New method definition.
2845         (Target_arm::Cortex_a8_relocs_info): New type.
2846         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2847         New data member declarations.
2848         (Target_arm::scan_reloc_for_stub): Record information about
2849         relocations for THUMB branches that might be exempted from the
2850         Cortex-A8 workaround.
2851         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2852         at the beginning of a relaxation pass.
2854 2010-01-12  Doug Kwan  <dougkwan@google.com>
2856         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2857         (Arm_relobj::Mapping_symbol_position,
2858          Arm_reloj::Mapping_symbol_position_less,
2859          Arm_relobj::Mapping_symbols_info): New types.
2860         (Target_arm::is_mapping_symbol_name): New method definition.
2861         (Arm_relobj::do_count_local_symbols): Save information about mapping
2862         symbols.
2864 2010-01-11  Doug Kwan  <dougkwan@google.com>
2866         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2867         Arm_relocate_functions::thumb32_branch_upper,
2868         Arm_relocate_functions::thumb32_branch_lower,
2869         Arm_relocate_functions::thumb32_cond_branch_offset,
2870         Arm_relocate_functions::thumb32_cond_branch_upper,
2871         Arm_relocate_functions::thumb32_cond_branch_lower,
2872         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2873         branch offset encoding.
2874         (Arm_relocate_functions::thumb_branch_common): Use new branch
2875         offset encoding methods to avoid code duplication.
2876         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
2877         (Stub_addend_reader::operator()): Use new branch encoding method
2878         to avoid code duplication.
2880 2010-01-11  Doug Kwan  <dougkwan@google.com>
2882         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
2883         (Target_arm::do_finalize_sections): Define special EXIDX section
2884         symbols only if referenced.
2885         * gc.h (Garbage_collection::add_reference): New method.
2886         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
2887         code duplication.
2889 2010-01-11  Ian Lance Taylor  <iant@google.com>
2891         * script.cc (Version_script_info::build_expression_list_lookup):
2892         Change complaing about duplicate wildcard match from error to
2893         warning.
2895         * script.cc (class Lazy_demangler): Recreate--revert part of patch
2896         of 2009-12-30.
2897         (Version_script_info::Version_script_info): Initialize globs_,
2898         default_version_, default_is_global_, and exact_.  Don't
2899         initialize globals_ or locals_.
2900         (Version_script_info::build_lookup_tables): Build local symbols
2901         first.
2902         (Version_script_info::unquote): New function.
2903         (Version_script_info::add_exact_match): New function.
2904         (Version_script_info::build_expression_list_lookup): Remove lookup
2905         parameter.  Add is_global parameter.  Change all callers.  Handle
2906         wildcard pattern specially.  Unquote pattern.  Call
2907         add_exact_match.
2908         (Version_script_info::get_name_to_match): New function.
2909         (Version_script_info::get_symbol_version): New function.
2910         (Version_script_info::get_symbol_version_helper): Remove.
2911         (Version_script_info::check_unmatched_names): Call unquote.
2912         * script.h (class Version_script_info): Change get_symbol_version
2913         to be non-inline and add is_global parameter; change all callers.
2914         Rewrite symbol_is_local.  Update declarations.  Define struct
2915         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
2916         Remove globals_ and locals_ members.  Add exact_, globs_,
2917         default_version_, is_global_.
2918         (Version_script_info::Glob): Remove pattern, add expression and
2919         is_global.  Update constructor.  Change all callers.
2920         * dynobj.cc (Versions::finalize): Mark the version symbol as the
2921         default version.
2922         (Versions::symbol_section_contents): If a symbol is undefined, or
2923         defined in a dynamic object, set the version index to
2924         VER_NDX_LOCAL.
2925         * symtab.cc (Symbol_table::add_from_relobj): Don't call
2926         symbol_is_local.
2927         (Symbol_table::add_from_pluginobj): Likewise.
2928         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
2930 2010-01-11  Doug Kwan  <dougkwan@google.com>
2932         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
2933         (incremental_dump_LDADD): Add linking option for libintl.
2934         * Makefile.in: Regenerate.
2936 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
2938         PR gold/11144
2939         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
2940         instead of -Ds.
2941         * testsuite/Makefile.in: Regenerated.
2943 2010-01-10  Doug Kwan  <dougkwan@google.com>
2945         * options.h (DEFINE_var): Use parentheses around argument varname__
2946         in macro body to avoid any unintended subsequent substitutions.
2948 2010-01-10  Ian Lance Taylor  <iant@google.com>
2950         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
2951         candidates before doing symbol resolution.
2953         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
2954         ODR candidates if only one is weak.
2956 2010-01-08  Ian Lance Taylor  <iant@google.com>
2958         * script.cc (Version_script_info::build_expression_list_lookup):
2959         Don't warn about ambiguous version, just record the ambiguity.
2960         (Version_script_info::get_symbol_version_helper): Give error if
2961         version is ambiguous.
2963 2010-01-08  Doug Kwan  <dougkwan@google.com>
2965         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
2966           prev_data_size_ and prev_addralign_.  Remove initializer for
2967           deleted data member has_been_changed_.
2968           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
2969           to determine if the table is empty.
2970           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
2971           Remove.
2972           (Stub_table::add_reloc_stub): Define method in class definition
2973           instead of just declaring it there.
2974           (Stub_table::add_cortex_a8_stub): New method definition.
2975           (Stub_table::update_data_size_and_addralign): Ditto.
2976           (Stub_table::finalize_stubs): Ditto.
2977           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
2978           (Stub_table::do_addralign_): Return address alignment in the
2979           (Stub_table::do_reset_address_and_file_offset): Define method in
2980           class definition instead of declaring it there.  Set current data
2981           size to be the data size of the previous pass.
2982           (Stub_table::set_final_data_size): Use current data size as the
2983           final data size.
2984           (Stub_table::relocate_stub): Change parameter type of stub from
2985           Reloc_stub pointer to Stub pointer.
2986           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
2987           (Stub_table::Cortex_a8_stub_list): New typedef.
2988           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
2989            Stub_table::prev_addralign_): New data member.
2990           (Arm_relobj::Arm_relobj): Initialize data member
2991           section_has_cortex_a8_workaround_.
2992           (Arm_relobj::section_has_cortex_a8_workaround,
2993            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
2994            definitions.
2995           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
2996           declarations.
2997           (Target_arm::relocate_stub): Change parameter type of stub from
2998           Reloc_stub pointer to Stub pointer.
2999           (Insn_template::size, Insn_template::alignment): Handle
3000           THUMB16_SPECIAL_TYPE.
3001           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3002            Stub_table::update_data_size_and_addralign,
3003            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3004           definitions.
3005           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3006           (Stub_table::do_write): Ditto.
3007           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3009 2010-01-08  Ian Lance Taylor  <iant@google.com>
3011         PR 11108
3012         * symtab.h (class Symbol): Remove fields is_target_special_ and
3013         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3014         (Symbol::is_defined_in_discarded_section): New function.
3015         (Symbol::set_is_defined_in_discarded_section): New function.
3016         (Symbol::has_plt_offset): Rewrite.
3017         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3018         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3019         Don't initialize is_target_special_ or has_plt_offset_.
3020         Initialize is_defined_in_discarded_section_.
3021         (Symbol_table::add_from_relobj): If appropriate, set
3022         is_defined_in_discarded_section.
3023         * resolve.cc (Symbol::override_base_with_special): Don't test
3024         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3025         * target-reloc.h (relocate_section): Do special handling for
3026         symbols defined in discarded sections for global symbols as well
3027         as local symbols.
3029 2010-01-08  Ian Lance Taylor  <iant@google.com>
3031         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3032         the SHT_SYMTAB case.
3034 2010-01-08  Ian Lance Taylor  <iant@google.com>
3036         * object.cc (Sized_relobj::do_layout): Don't get confused if
3037         layout_eh_frame returns NULL.
3039 2010-01-08  Ian Lance Taylor  <iant@google.com>
3041         PR 11084
3042         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3043         dynamic symbol table, use the normal symbol table.
3044         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3045         symbol table.
3047 2010-01-08  Ian Lance Taylor  <iant@google.com>
3049         PR 11072
3050         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3051         sections.
3053 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3055         * version.cc (print_version): Change to "Copyright 2010".
3057 2010-01-08  Ian Lance Taylor  <iant@google.com>
3059         PR 10287
3060         PR 11063
3061         * i386.cc (class Target_i386): Change return type of plt_section
3062         to be non-const.
3063         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3064         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3065         tls_desc_rel_ field.
3066         (Output_data_plt_i386::rel_tls_desc): New function.
3067         (Target_i386::rel_tls_desc_section): New function.
3068         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3069         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3070         R_386_TLS_DESC reloc in rel_tls_desc_section.
3071         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3072         Define struct Tlsdesc_info.
3073         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3074         (Target_x86_64::do_reloc_symbol_index): New function.
3075         (Target_x86_64::add_tlsdesc_info): New function.
3076         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3077         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3078         tlsdesc_rel_ field.
3079         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3080         all callers.
3081         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3082         (Target_x86_64::rela_tlsdesc_section): New function.
3083         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3084         handling.
3085         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3086         (Target_x86_64::do_reloc_addend): New function.
3087         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3088         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3089         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3090         (Output_reloc::type): New function.
3091         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3092         (Output_reloc::is_target_specific): New function.
3093         (Output_reloc::target_arg): New function.
3094         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3095         absolute relocs and target specific relocs.
3096         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3097         add_target_specific.
3098         (class Output_data_reloc) [SHT_RELA]: Likewise.
3099         * output.cc (Output_reloc::Output_reloc): Add four new versions
3100         for absolute relocs and target specific relocs.
3101         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3102         (Output_reloc::get_symbol_index): Likewise.
3103         (Output_reloc::local_section_offset): Check that local_sym_index_
3104         is not TARGET_CODE or 0.
3105         (Output_reloc::symbol_value): Likewise.
3106         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3107         reloc.
3108         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3109         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3110         functions.
3111         * layout.cc (add_target_dynamic_tags): Use output section for
3112         DT_PLTRELSZ and DT_JMPREL.
3114 2010-01-07  Ian Lance Taylor  <iant@google.com>
3116         PR 11061
3117         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3118         function.
3119         (class Output_data_reloc_generic): Define.
3120         (class Output_data_reloc_base): Change base class to
3121         Output_data_reloc_generic.  Change add() method to call
3122         bump_relative_reloc_count for a relative reloc.  Remove
3123         sort_relocs_ field.
3124         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3125         to sort_relocs().
3126         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3127         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3128         appropriate.
3129         * layout.h (class Layout): Update declaration.
3131 2010-01-07  Ian Lance Taylor  <iant@google.com>
3133         * output.h (class Output_data): Add const version of
3134         output_section and do_output_section.
3135         (class Output_section_data): Add const version of
3136         do_output_section.
3137         (class Output_section): Likewise.
3138         * layout.cc (Layout::add_target_dynamic_tags): New function.
3139         * layout.h (class Layout): Update declarations.
3140         * arm.cc (Target_arm::do_finalize_sections): Use
3141         add_target_dynamic_tags.
3142         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3143         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3144         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3145         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3147 2010-01-07  Ian Lance Taylor  <iant@google.com>
3149         PR 11042
3150         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3151         object as needed.
3153 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3154             Ian Lance Taylor  <iant@google.com>
3156         PR 11019
3157         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3158         Xindex::read_symtab_xindex.
3160 2010-01-07  Doug Kwan  <dougkwan@google.com>
3162         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3163         (Insn_template::thumb16_bcond_insn): New method declaration.
3164         (Insn_template): Fix spelling.
3165         (Stub::thumb16_special): New method declaration.
3166         (Stub::do_write): Define virtual method which was previously pure
3167         virtual.
3168         (Stub::do_thumb16_special): New method declaration.
3169         (Stub::do_fixed_endian_write): New template member.
3170         (Reloc_stub::do_write): Remove.
3171         (Reloc_stub::do_fixed_endian_write): Remove.
3172         (Cortex_a8_stub): New class definition.
3173         (Stub_factory::make_cortex_a8_stub): New method definition.
3174         (Stub_factory::Stub_factory): Add missing static storage class
3175         qualifier for elf32_arm_stub_a8_veneer_blx.
3177 2010-01-07  Ian Lance Taylor  <iant@google.com>
3179         PR 10980
3180         * options.h (class General_options): Add --warn-unresolved-symbols
3181         and --error-unresolved-symbols.
3182         * errors.cc (Errors::undefined_symbol): Implement
3183         --warn-unresolved-symbols.
3185         * options.h (class General_options): Add -z text and -z textoff.
3186         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3188 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3190         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3191         (Garbage_collection::cident_sections): New function.
3192         (Garbage_collection::add_cident_section): New function.
3193         (Garbage_collection::cident_sections_): New member.
3194         (gc_process_relocs): Add references to sections whose names are C
3195         identifiers.
3196         * gold.h (cident_section_start_prefix): New constant.
3197         (cident_section_stop_prefix): New constant.
3198         (is_cident): New function.
3199         * layout.cc (Layout::define_section_symbols): Replace string constants
3200         with the newly defined constants.
3201         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3202         C identifiers.
3203         * testsuite/Makefile.am: Add gc_orphan_section_test.
3204         * testsuite/Makefile.in: Regenerate.
3205         * testsuite/gc_orphan_section_test.cc: New file.
3206         * testsuite/gc_orphan_section_test.sh: New file.
3208 2010-01-06  Ian Lance Taylor  <iant@google.com>
3210         PR 10980
3211         * options.h (class General_options): Add --warn-shared-textrel.
3212         * layout.cc (Layout::finish_dynamic_section): Implement
3213         --warn-shared-textrel.
3215         PR 10980
3216         * options.h (class General_options): Add --warn-multiple-gp.
3218 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3220         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3221         $(THREADSLIB) and $(LIBDL).
3222         * Makefile.in: Rebuild.
3224 2010-01-06  Ian Lance Taylor  <iant@google.com>
3226         PR 10980
3227         * options.cc (General_options::parse_section_start): New function.
3228         (General_options::section_start): New function.
3229         (General_options::General_options): Initialize all members.
3230         * options.h: Include <map>
3231         (class General_options): Add --section-start.  Add section_starts_
3232         member.
3233         * layout.cc (Layout::attach_allocated_section_to_segment): If
3234         --section-start was used, set the address of the segment.  Remove
3235         local sort_sections.
3236         (Layout::relaxation_loop_body): If the address of the load segment
3237         has been set by --section-start, don't use it.
3238         * output.h (Output_segment::update_flags_for_output_section): New
3239         function.
3240         * output.cc (Output_segment::add_output_section): Call
3241         update_flags_for_output_section.
3243 2010-01-05  Ian Lance Taylor  <iant@google.com>
3245         PR 10980
3246         * options.h (class General_options): Add --undefined-version.
3247         * script.cc (struct Version_expression): Add was_matched_by_symbol
3248         field.
3249         (Version_script_info::matched_symbol): New function.
3250         (Version_script_info::get_symbol_version_helper): Call
3251         matched_symbol.
3252         (Version_script_info::check_unmatched_names): New function.
3253         * script.h (class Version_script_info): Update declarations.
3254         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3256         * options.h (class General_options): Use DEFINE_bool_alias for
3257         allow_multiple_definition.
3258         * resolve.cc (Symbol_table::should_override): Don't test
3259         allow_multiple_definition.
3261         PR 10980
3262         * options.h (class General_options): Add --cref.
3263         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3264         until after printing cref table.
3265         * cref.cc: Include "symtab.h".
3266         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3267         (Cref_table_compare::operator()): New function.
3268         (Cref_inputs::gather_cref): New function.
3269         (filecol): New static const.
3270         (Cref_inputs::print_cref): New function.
3271         (Cref::print_cref): New function.
3272         * cref.h: Include <cstdio>.
3273         (class Cref): Update declarations.
3274         * mapfile.h (Mapfile::file): New function.
3275         * object.h (class Object): Define Symbols.  Declare virtual
3276         do_get_global_symbols.
3277         (Object::get_global_symbols): New function.
3278         * object.cc (Input_objects::add_object): Pass object to cref_ if
3279         --cref.
3280         (Input_objects::archive_start): Likewise.
3281         (Input_objects::archive_stop): Likewise.
3282         (Input_objects::print_cref): New function.
3283         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3284         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3285         --cref.
3286         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3287         function.
3288         * plugin.h (class Sized_pluginobj): Update declarations.
3290 2010-01-05  Ian Lance Taylor  <iant@google.com>
3292         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3293         to is_default_version.  Rename insdef to insdefault.
3294         (Symbol_table::add_from_relobj): Rename def to is_default_version
3295         and local to is_forced_local.
3296         (Symbol_table::add_from_pluginobj): Likewise.
3297         (Symbol_table::add_from_dynobj): Likewise.
3298         (Symbol_table::define_special_symbol): Rename insdef to
3299         insdefault.
3301 2010-01-04  Ian Lance Taylor  <iant@google.com>
3303         PR 10980
3304         * options.h (class General_options): Add
3305         --allow-multiple-definition and -z muldefs.
3306         * resolve.cc (Symbol_table::should_override): Don't warn about a
3307         multiple symbol definition if --allow-multiple-definition or -z
3308         muldefs.
3310         PR 10980
3311         * options.h (class General_options): Add --add-needed and
3312         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3313         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3314         error if --copy-dt-needed-entries aka --add-needed is used and
3315         would cause a change in behaviour.
3317         PR 10980
3318         * options.h (class General_options): Add -G as a short version of
3319         --shared.  Add no-op options -assert, -g, and -i.
3321 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3323         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3324         check for .text or .gnu.linkonce.t sections.
3325         * icf.cc (Icf::find_identical_sections): Ditto.
3326         Change the detection for mangled function name within the section
3327         name.
3328         * icf.h (is_section_foldable_candidate): New function.
3330 2009-12-30  Ian Lance Taylor  <iant@google.com>
3332         PR 10980
3333         * options.h (class General_options): Permit two dashes with
3334         --retain-symbols-file.
3336 2009-12-30  Ian Lance Taylor  <iant@google.com>
3338         PR 10979
3339         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3340         don't put the file header and segment headers in the text
3341         segment.
3343         PR 10979
3344         * common.cc (Sort_commons::operator()): Stabilize sort when both
3345         entries are NULL.
3346         (Symbol_table::do_allocate_commons_list): When allocating common
3347         symbols, skip a symbol which is no longer common.
3348         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3349         an object before checking its type.
3350         * testsuite/common_test_2.c: New file.
3351         * testsuite/common_test_3.c: New file.
3352         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3353         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3354         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3355         (common_test_2_pic.o, common_test_2.so): New targets.
3356         (common_test_3_pic.o, common_test_3.so): New targets.
3357         * testsuite/Makefile.in: Rebuild.
3359         PR 10979
3360         * script.cc (read_input_script): If we see a new SECTIONS clause,
3361         and we have added an input section, give an error.
3362         * layout.h (class Layout): Add have_added_input_section function.
3363         Add have_added_input_section_ field.
3364         * layout.cc (Layout::Layout): Initialize
3365         have_added_input_section_.
3366         (Layout::layout): Set have_added_input_section_.
3367         (Layout::layout_eh_frame): Likewise.
3369 2009-12-30  Ian Lance Taylor  <iant@google.com>
3371         PR 10931
3372         * options.h (class General_options): Add --sort-common option.
3373         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3374         * common.cc (Sort_common): Add sort_order parameter to
3375         constructor.  Add sort_order_ field.
3376         (Sort_commons::operator): Check sort_order_.
3377         (Symbol_table::allocate_commons): Determine the sort order.
3378         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3379         Change all callers.
3380         (Symbol_table::do_allocate_commons_list): Likewise.
3382 2009-12-30  Ian Lance Taylor  <iant@google.com>
3384         PR 10916
3385         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3386         symbols from this object, don't change the visibility of an
3387         undefined symbol.
3388         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3390 2009-12-30  Ian Lance Taylor  <iant@google.com>
3392         PR 10861
3393         * script.h (class Version_script_info): Define Language enum.
3394         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3395         new fields globals_, locals_, and is_finalized_.
3396         * script.cc: Various formatting fixes.
3397         (class Parser_closure): Change language_stack_ from a vector of
3398         std::string to one of Version_script_info::Language.  Adjust all
3399         uses accordingly.
3400         (class Lazy_demangler): Remove.
3401         (struct Version_expression): Change language from std::string to
3402         Version_script_info::Language.
3403         (Version_script_info::Version_script_info): New function.
3404         (Version_script_info::~Version_script_info): Don't call clear.
3405         (Version_script_info::finalize): New function.
3406         (Version_script_info::build_lookup_tables): New function.
3407         (Version_script_info::build_expression_list_lookup): New
3408         function.
3409         (Version_script_info::get_symbol_version_helper): Rewrite to use
3410         lookup tables.
3411         (Version_script_info::print_expression_list): Adjust to use
3412         Version_script_info::Language.
3413         (script_push_lex_into_version_mode): Check that the version script
3414         has not been finalized.
3415         (version_script_push_lang): Change language string to
3416         Version_script_info::Language.
3417         * options.cc (Command_line::version_script): New function.
3418         * options.h (class General_options): Add finalize_dynamic_list
3419         function.  Change version_script from declaration to definition.
3420         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3421         * testsuite/version_script.map: Remove duplicate def of foo.
3422         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3423         version_script.map.
3424         * testsuite/Makefile.in: Rebuild.
3426 2009-12-30  Ian Lance Taylor  <iant@google.com>
3428         PR 10843
3429         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3430         if the input symbol index is 0, make the output symbol index 0.
3432 2009-12-30  Ian Lance Taylor  <iant@google.com>
3434         PR 10670
3435         * options.h (class General_options): Add -x/--discard-all.
3436         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3437         --discard-all.  If the local symbol needs a dynamic entry, check
3438         that before handling --discard-locals.
3440 2009-12-30  Ian Lance Taylor  <iant@google.com>
3442         PR 10450
3443         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3444         flags to PF_R.
3445         (Output_segment::add_output_section): Don't change the flags if
3446         the type is PT_TLS.
3448         PR 10450
3449         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3450         GNU hash table if they need a dynamic value.  Otherwise, don't add
3451         them if they are defined in a dynamic object or are forced local.
3453 2009-12-29  Ian Lance Taylor  <iant@google.com>
3455         PR 10450
3456         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3457         .gnu.hash table for a 32-bit target.
3459         PR 10450
3460         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3461         regular and a dynamic object only needs a dynamic symbol table
3462         entry if it is externally visible.
3464         PR 10450
3465         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3466         constructor.  Add global_offset_table_ field.
3467         (Target_i386::got_section): Set global_offset_table_.
3468         (Target_i386::do_finalize_sections): Set global_offset_table_
3469         size.
3470         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3471         in constructor.  Add global_offset_table_ field.
3472         (Target_x86_64::got_section): Set global_offset_table_.
3473         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3474         size.
3476         * layout.cc (Layout::Layout): Initialize increase_relro_.
3477         (Layout::get_output_section): Add is_relro, is_last_relro, and
3478         is_first_non_relro parameters.  Change all callers.
3479         (Layout::choose_output_section): Likewise.
3480         (Layout::add_output_section_data): Likewise.
3481         (Layout::make_output_section): Likewise.
3482         (Layout::set_segment_offsets): Clear increase_relro when using a
3483         linker script.
3484         * layout.h (class Layout): Add increase_relro method.  Add
3485         increase_relro_ field.  Update declarations.
3486         * output.cc (Output_section::Output_section): Initialize
3487         is_last_relro_ and is_first_non_relro_.
3488         (Output_segment::add_output_section): Group relro sections is
3489         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3490         (Output_segment::maximum_alignment): Remove relro handling.
3491         (Output_segment::set_section_addresses): Add increase_relro
3492         parameter.  Change all callers.  Add initial alignment to align
3493         relro sections on separate page.  Remove old relro handling.
3494         (Output_segment::set_section_list_addresses): Remove in_relro
3495         parameter.  Change all callers.
3496         (Output_segment::set_offset): Add increase parameter.  Change all
3497         callers.  Remove old relro handling.
3498         * output.h (class Output_section): Add new methods: is_last_relro,
3499         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3500         Add is_last_relro_ and is_first_non_relro_ fields.
3501         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3502         Create separate .got.plt section.  Call increase_relro.
3503         * x86_64.cc (Target_x86_64::got_section): Likewise.
3504         * testsuite/relro_script_test.t: Add .got.plt.
3506         PR 10450
3507         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3508         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3509         (Layout::finalize): Call set_dynamic_symbol_size.
3510         (Layout::set_dynamic_symbol_size): New function.
3511         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3512         set_dynamic_symbol_size.
3514         PR 10450
3515         * output.h (class Output_section): Add is_entsize_zero_ field.
3516         * output.cc (Output_section::Output_section): Initialize
3517         is_entsize_zero_.
3518         (Output_section::set_entsize): If two different entsizes are
3519         requested, force it to zero.
3520         (Output_section::add_input_section): Set flags for .debug_str
3521         before updating section flags.  Set entsize.
3522         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3523         and SHF_STRING if all input sections have those flags.
3525 2009-12-29   Rafael Espindola  <espindola@google.com>
3527         * main.cc (main): Fix the sys time reporting.
3528         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3529         reporting.
3531 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3533         * options.cc (General_options::parse_version): Allow -v to exit
3534         without an error if there is nothing to link.
3536 2009-12-29  Ian Lance Taylor  <iant@google.com>
3538         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3539         using a version of gcc before 4.1.
3540         * configure: Rebuild.
3542 2009-12-28  Chris Demetriou  <cgd@google.com>
3544         * attributes.cc (Output_attributes_section_data::do_write): Use
3545         std::vector::front rather than std::vector::data.
3547 2009-12-28  Ian Lance Taylor  <iant@google.com>
3549         * symtab.h (class Symbol_table): Add enum Defined.
3550         * resolve.cc (Symbol_table::should_override): Add defined
3551         parameter.  Change all callers.  Test whether object is NULL
3552         before calling a method on it.
3553         (Symbol_table::report_resolve_problem): Add defined parameter.
3554         Change all callers.
3555         (Symbol_table::should_override_with_special): Likewise.
3556         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3557         parameter.  Change all callers.
3558         (Symbol_table::do_define_in_output_data): Likewise.
3559         (Symbol_table::define_in_output_segment): Likewise.
3560         (Symbol_table::do_define_in_output_segment): Likewise.
3561         (Symbol_table::define_as_constant): Likewise.
3562         (Symbol_table::do_define_as_constant): Likewise.
3563         * script.h (class Symbol_assignment): Add is_defsym parameter to
3564         constructor; change all callers.
3565         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3566         parameter.  Change all callers.  Add is_defsym_ field.
3567         (class Parser_closure): Add parsing_defsym parameter to
3568         constructor; change all callers.  Add parsing_defsym accessor
3569         function.  Add parsing_defsym_ field.
3571 2009-12-28  Ian Lance Taylor  <iant@google.com>
3573         * gold.cc (queue_middle_tasks): Fix formatting.
3574         * object.cc (Relobj::is_section_name_included): Likewise.
3576 2009-12-23  Ian Lance Taylor  <iant@google.com>
3578         * i386.cc (Target_i386::do_calls_non_split): Recognize
3579         -fsplit-stack prologue for a function with a static chain.
3580         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3581         -fsplit-stack prologue when using %r11.
3583 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3585         * options.cc (General_options::parse_version): Make -v continue and do
3586         the link like GNU ld does.
3588 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3590         * Makefile.am (CCFILES): Add timer.cc.
3591         (HFILES): Add timer.h.
3592         * configure.ac: Check for sysconf and times.
3593         * main.cc: include timer.h.
3594         (main): Use Timer instead of get_run_time.
3595         * timer.cc: New.
3596         * timer.h: New.
3597         * workqueue.cc: include timer.h.
3598         (Workqueue::find_and_run_task):
3599         Report user, sys and wall time.
3600         * Makefile.in: Regenerate.
3601         * config.in: Regenerate.
3602         * configure: Regenerate.
3604 2009-12-16  Doug Kwan  <dougkwan@google.com>
3606         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3607         sections.
3608         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3609         relaxed input sections.
3610         * output.cc (Output_section::find_relaxed_input_section): Change
3611         return type to Output_relaxed_input_section pointer.  Adjust code
3612         for new type of relaxed_input_section_map_.
3613         * output.h (Output_section::find_relaxed_input_section): Change
3614         return type to Output_relaxed_input_section pointer.
3615         (Output_section::Output_relaxed_input_section_by_input_section_map):
3616         New type.
3617         (Output_section::relaxed_input_section_map_): Change type to
3618         Output_section::Output_relaxed_input_section_by_input_section_map.
3619         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3620         input section.
3622 2009-12-15  Ian Lance Taylor  <iant@google.com>
3624         * layout.cc (Layout::create_shstrtab): Only write out after input
3625         sections if we are compressing debug sections.
3627 2009-12-15  Ian Lance Taylor  <iant@google.com>
3629         * archive.cc (Archive::add_symbols): Only look up a symbol without
3630         a version if there is, in fact, a version.
3632 2009-12-14  Ian Lance Taylor  <iant@google.com>
3634         Revert -Wshadow changes, all changes from:
3635         2009-12-11  Doug Kwan  <dougkwan@google.com>
3636         2009-12-11  Nick Clifton  <nickc@redhat.com>
3637         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3639 2009-12-11  Doug Kwan  <dougkwan@google.com>
3641         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3642         due to -Wshadow.
3643         * attributes.cc (Object_attribute::size): Ditto.
3644         (Attributes_section_data::size): Ditto.
3645         (Attributes_section_data::Attributes_section_data): Ditto.
3646         (Output_attributes_section_data::do_write): Ditto.
3647         * attributes.h (Object_attribute::set_type): Ditto.
3648         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3650 2009-12-11  Nick Clifton  <nickc@redhat.com>
3652         * archive.cc: Fix shadowed variable warnings.
3653         * arm.cc: Likewise.
3654         * compressed_output.cc: Likewise.
3655         * compressed_output.h: Likewise.
3656         * configure: Likewise.
3657         * dwarf_reader.cc: Likewise.
3658         * dynobj.cc: Likewise.
3659         * dynobj.h: Likewise.
3660         * ehframe.cc: Likewise.
3661         * ehframe.h: Likewise.
3662         * errors.cc: Likewise.
3663         * expression.cc: Likewise.
3664         * fileread.cc: Likewise.
3665         * fileread.h: Likewise.
3666         * freebsd.h: Likewise.
3667         * i386.cc: Likewise.
3668         * icf.cc: Likewise.
3669         * incremental.h: Likewise.
3670         * layout.cc: Likewise.
3671         * layout.h: Likewise.
3672         * mapfile.cc: Likewise.
3673         * merge.cc: Likewise.
3674         * merge.h: Likewise.
3675         * object.cc: Likewise.
3676         * object.h: Likewise.
3677         * options.h: Likewise.
3678         * output.cc: Likewise.
3679         * output.h: Likewise.
3680         * parameters.cc: Likewise.
3681         * plugin.cc: Likewise.
3682         * powerpc.cc: Likewise.
3683         * reduced_debug_output.cc: Likewise.
3684         * reduced_debug_output.h: Likewise.
3685         * reloc.cc: Likewise.
3686         * reloc.h: Likewise.
3687         * resolve.cc: Likewise.
3688         * script-sections.cc: Likewise.
3689         * script.cc: Likewise.
3690         * script.h: Likewise.
3691         * sparc.cc: Likewise.
3692         * symtab.cc: Likewise.
3693         * symtab.h: Likewise.
3694         * target-select.cc: Likewise.
3695         * target-select.h: Likewise.
3696         * token.h: Likewise.
3697         * workqueue.cc: Likewise.
3698         * workqueue.h: Likewise.
3699         * x86_64.cc: Likewise.
3701 2009-12-10  Doug Kwan  <dougkwan@google.com>
3703         * arm.cc (attributes.h): New include.
3704         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3705         (Arm_relobj::~Arm_relobj): Delete object pointed by
3706         attributes_section_data_.
3707         (Arm_relobj::attributes_section_data): New method definition.
3708         (Arm_relobj::attributes_section_data_): New data member declaration.
3709         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3710         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3711         attributes_section_data_.
3712         (Arm_dynobj::attributes_section_data): New method definition.
3713         (Arm_dynobj::attributes_section_data_): New data member declaration.
3714         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
3715         initialization value of may_use_blx_ to false.
3716         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3717         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3718         object attributes to compute results instead of hard-coding.
3719         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3720         Target_arm::get_secondary_compatible_arch,
3721         Target_arm::set_secondary_compatible_arch
3722         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3723         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3724         New method declarations.
3725         (Target_arm::get_aeabi_object_attribute): New method definition.
3726         (Target_arm::attributes_section_data_): New data member declaration.
3727         (read_arm_attributes_section): New template definition.
3728         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3729         (Arm_dynobj::do_read_symbols): Ditto.
3730         (Target_arm::do_finalize_sections): Merge attributes sections from
3731         input.  Check for BLX use after attributes section merging.
3732         Fix __exidx_start and __exidx_end visibility.  Create an
3733         .ARM.attributes section if necessary.
3734         (Target_arm::get_secondary_compatible_arch,
3735         Target_arm::set_secondary_compatible_arch,
3736         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3737         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3738         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3739         New method definitions.
3741 2009-12-09  Ian Lance Taylor  <iant@google.com>
3743         * plugin.cc (Plugin::load): Don't cast from void* to a function
3744         pointer.
3746 2009-12-09  Ian Lance Taylor  <iant@google.com>
3748         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3749         information fields.
3751 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
3753         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3754         Replace two_file_shared_1.so with two_file_shared_2.so.
3755         * testsuite/Makefile.in: Regenerated.
3757 2009-12-08  Doug Kwan  <dougkwan@google.com>
3759         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3760         (HFILES): Add attributes.h and int_encoding.h.
3761         * Makefile.in: Regenerate.
3762         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3763         function definitions to int_encoding.cc
3764         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3765         prototypes to int_encoding.h
3766         * reduced_debug_output.cc (int_encoding.h): New include.
3767         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3768         function definitions to int_encoding.cc
3769         (insert_into_vector, read_from_pointer): Move template definitions to
3770         int_encoding.h
3771         * attributes.cc: New file.
3772         * attributes.h: New file.
3773         * int_encoding.cc: New file.
3774         * int_encoding.h: New file.
3776 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
3778         PR gold/11055
3779         * incremental-dump.cc (dump_incremental_inputs): New.
3780         (main): Use dump_incremental_inputs.
3782 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
3784         PR gold/10893
3785         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3786         checking elfcpp::STT_FUNC.
3787         (Target_i386::Relocate::relocate): Likewise.
3788         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3790         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3791         symbols from shared libraries into normal FUNC symbols.
3793         * symtab.h (Symbol): Add is_func and use it.
3795 2009-12-05  Doug Kwan  <dougkwan@google.com>
3797         * arm.cc (Target_arm::arm_info): Initialize new fields
3798         attributes_section and attributes_vendor.
3799         * i386.cc (Target_i386::i386_info): Same.
3800         * object.cc (Sized_relobj::do_layout): Skip attribute section.
3801         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3802         fields attributes_section and attributes_vendor.
3803         * sparc.cc (Target_sparc::sparc_info): Same.
3804         * target.h (Target::attributes_section, Target::attributes_vendor,
3805         Target::is_attributes_section, Target::attribute_arg_type,
3806         Target::attributes_order): New method definitions.
3807         (Target::Target_info::attributes_section,
3808         Target::Target_info::attributes_vendor): New fields.
3809         (Target::do_attribute_arg_type, Target::do_attributes_order): New
3810         virtual method definitions.
3811         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3812         attributes_section and attributes_vendor.
3813         * testsuite/testfile.cc (Target_test::test_target_info): Same.
3815 2009-12-05  Doug Kwan  <dougkwan@google.com>
3817         * arm.cc: Update comments about interworking and stub generation.
3818         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3819         considered as non-PIC.
3820         (Arm_relocate_functions::base_abs): Fix formatting.
3821         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
3822         of function to use GOT entry address instead of offset.
3823         (Target_arm::Scan::global): Issue an error if a symbol would need a
3824         PLT does not get one because it is untyped.  Remove code to create
3825         dynamic symbols for relative branches.
3826         (Target_arm::Relocate::relocate: Use 0 instead of false since function
3827         takes unsigned integer instead of boolean.
3829 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3831         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3832         (two_file_test_LDADD): Likewise.
3833         (common_test_1_LDADD): Likewise.
3834         (exception_test_LDADD) Likewise.
3835         (weak_test_LDADD): Likewise.
3836         (many_sections_test_LDADD): Likewise.
3837         (initpri1_LDADD): Likewise.
3838         (script_test_1_LDADD): Likewise.
3839         (script_test_2_LDADD): Likewise.
3840         (justsyms_LDADD): Likewise.
3841         (binary_test_LDADD): Likewise.
3842         (large_LDADD): Likewise.
3843         * testsuite/Makefile.in: Regenerated.
3845 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
3847         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3848         (Symbol_table::override_with_special): Likewise.
3849         (Symbol_table::add_from_object): Likewise.
3851 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3853         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3854         Don't set the data_offset twice.
3856 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3858         * testsuite/Makefile.in: Regenerate.
3860 2009-12-03  Doug Kwan  <dougkwan@google.com>
3862         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3863         (Target_arm::do_finalize_sections): Add parameter for symbol table
3864         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
3865         * i386.cc (Target_i386::do_finalize_sections): Add an additional
3866         parameter for symbol table pointer.
3867         * layout.cc (Layout::finalize): Call Target::finalize_sections with
3868         an additional parameter for a pointer to symbol table.
3869         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3870         parameter for a symbol table pointer.
3871         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3872         * target.h (Target::finalize_sections, Target::do_finalize_sections):
3873         Ditto.
3874         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
3875         parameter for a symbol table pointer.
3877 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
3879         * incremental.cc (Incremental_inputs_header)
3880         (Incremental_inputs_header_write, Incremental_inputs_entry)
3881         (Incremental_inputs_entry_write): Move ...
3882         * incremental.h (Incremental_inputs_header)
3883         (Incremental_inputs_header_write, Incremental_inputs_entry)
3884         (Incremental_inputs_entry_write): here.
3886 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3888         * incremental.cc (make_sized_incremental_binary): Set the target.
3889         Error if it is incompatible.
3890         * output.h (Output_file): Add filename method.
3892 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3894         * incremental.cc (Incremental_inputs_entry): Remove unused argument
3895         from the get_* methods.
3897 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3899         * incremental-dump.cc (main): Check that the offeset of a script is 0.
3900         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3901         Write 0 for the data_offset of scripts.
3903 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3905         * testsuite/Makefile.am: Add the incremental_test.sh test.
3906         * testsuite/incremental_test.sh: New.
3907         * testsuite/incremental_test_1.c: New.
3908         * testsuite/incremental_test_2.c: New.
3910 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
3912        * incremental-dump.cc (main): Fix typos.
3914 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
3916         PR gold/11025
3917         * incremental-dump.cc (main): Use llu to print 64 bit values.
3919 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
3920             H.J. Lu  <hongjiu.lu@intel.com>
3922         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
3923         $(LIBDL).
3924         (incremental_dump_LDADD): Likewise.
3925         * Makefile.in: Regenerated.
3927 2009-11-25  Doug Kwan  <dougkwan@google.com>
3929         Revert:
3931         2009-11-25  Doug Kwan  <dougkwan@google.com>
3933                 * arm.cc (Target_arm::Target_arm): Move method definition
3934                 outside of class definition.  Add code to handle
3935                 --target1-rel, --target1-abs and --target2= options.
3936                 (Target_arm::get_reloc_reloc_type): Change method to be
3937                 non-static and const.
3938                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
3939                 New data member declaration.
3940                 (Target_arm::Scan::local, Target_arm::Scan::global,
3941                 Target_arm::Relocate::relocate,
3942                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3943                 Adjust call to Target_arm::get_real_reloc_type.
3944                 (Target_arm::get_real_reloc_type): Use command line options
3945                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3946                 * options.h (--target1-rel, --target1-abs, --target2): New
3947                 ARM-only options.
3949 2009-11-25  Doug Kwan  <dougkwan@google.com>
3951         * arm.cc (Target_arm::Target_arm): Move method definition outside of
3952         class definition.  Add code to handle --target1-rel, --target1-abs
3953         and --target2= options.
3954         (Target_arm::get_reloc_reloc_type): Change method to be non-static
3955         and const.
3956         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
3957         member declaration.
3958         (Target_arm::Scan::local, Target_arm::Scan::global,
3959         Target_arm::Relocate::relocate,
3960         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
3961         call to Target_arm::get_real_reloc_type.
3962         (Target_arm::get_real_reloc_type): Use command line options to
3963         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3964         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
3965         options.
3967 2009-11-25  Doug Kwan  <dougkwan@google.com>
3969         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
3970         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
3971         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
3972         formatting.
3973         (Arm_relocate_functions::thm_call): Replace body with a call to
3974         Arm_relocate_functions::thumb_branch_common.
3975         (Arm_relocate_functions::thm_jump24,
3976         Arm_relocate_functions::thm_xpc22): New method definitions.
3977         (Arm_relocate_functions::thumb_branch_common): New method definition.
3978         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
3979         operator.
3980         (Target_arm::Relocate::relocate): Adjust call to thm_call.
3981         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
3983 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3985         * Makefile.am: Build incremental-dump
3986         * Makefile.in: Regenerate.
3987         * incremental-dump.cc: New.
3988         * incremental.cc (Incremental_inputs_header_data,
3989         Incremental_inputs_entry_data): Move to incremental.h
3990         * incremental.h: (Incremental_inputs_header_data,
3991         Incremental_inputs_entry_data): Move from incremental.cc
3993 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3995         * incremental.cc (Incremental_inputs_header,
3996         Incremental_inputs_header_write, Incremental_inputs_entry,
3997         Incremental_inputs_entry_write): Add a typedef with the data type.
3999 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4001         * incremental.cc (Incremental_inputs_header,
4002         Incremental_inputs_header_write, Incremental_inputs_entry,
4003         Incremental_inputs_entry_write): Update comment about which
4004         type has the filed descriptions.
4006 2009-11-15  Doug Kwan  <dougkwan@google.com>
4008         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4009         (Arm_relocate_functions::arm_branch_common): Change method defintion
4010         in class definition to a method declaration and update list of formal
4011         parameters.
4012         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4013         Arm_relocation_functions::jump24): Adjust call to
4014         Arm_relocate_functions::arm_branch_common.  Update list of formal
4015         parameters.
4016         (Arm_relocate_functions::xpc25): New method definition.
4017         (Arm_relocate_functions::arm_branch_common): Move method defintion
4018         out from class definition.  Use stubs for mode-switching and extending
4019         branch ranges.
4020         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4021         specially.  Change code to enable use of stubs in ARM branches.
4023 2009-11-10  Doug Kwan  <dougkwan@google.com>
4025         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4026         in method declaration.
4027         (Target_arm::relocate_stub): New method declaration.
4028         (Target_arm::default_target): Change to return a pointer instead of
4029         a const reference.
4030         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4031         Target_arm::default_target.
4032         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4033         method definition.
4034         (Target_arm::relocate_section): Adjust view.
4035         (Target_arm::relocate_stub): New method definition.
4037 2009-11-10  Doug Kwan  <dougkwan@google.com>
4039         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4040         a format warning.
4041         * incremental.cc (open_incremental_binary): Initialized local
4042         variables to avoid warnings.
4043         * object.cc (make_elf_object): Ditto.
4044         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4045         a format warning.
4047 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4049         PR gold/10930
4050         * testsuite/plugin_test.c: Include "config.h".
4052 2009-11-09  Doug Kwan  <dougkwan@google.com>
4054         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4055         (arm_symbol_value): Remove.
4056         (Arm_relocate_functions::arm_branch_common,
4057         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4058         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4059         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4060         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4061         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4062         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4063         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4064         Arm_relocate_functions::thm_mobw_abs_nc,
4065         Arm_relocate_functions::thm_mov_abs,
4066         Arm_relocate_functions::movw_prel_nc,
4067         Arm_relocate_functions::thm_movt_abs,
4068         Arm_relocate_functions::movt_prel,
4069         Arm_relocate_functions::thm_movw_prel_nc,
4070         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4071         (Target_arm::Relocate::relocate): Only decompose address into two
4072         parts if relocation type uses the thumb-bit and pass the actual
4073         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4074         calls to methods in Arm_relocate_functions for this change.
4076 2009-11-08  Ian Lance Taylor  <iant@google.com>
4078         PR 10925
4079         * reloc.cc: Instantiate
4080         Sized_relobj::initialize_input_to_output_maps and
4081         Sized_relobj:free_input_to_output_maps.
4083 2009-11-06  Ian Lance Taylor  <iant@google.com>
4085         PR 10876
4086         * defstd.cc (in_segment): Set only_if_ref true for "end".
4088 2009-11-06  Doug Kwan  <dougkwan@google.com>
4090         * arm.cc (class Reloc_stub): Correct a comment.
4091         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4092         (Target_arm::scan_section_for_stubs): New method declaration.
4093         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4094         Change methods from private to protected.
4095         (Target_arm::do_may_relax): New method definition.
4096         (Target_arm::do_relax, Target_arm::group_sections,
4097         Target_arm::scan_reloc_for_stub,
4098         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4099         (Target_arm::arm_input_section_map_): New data member declaration.
4100         (Target_arm::scan_reloc_for_stub,
4101         Target_arm::scan_reloc_section_for_stubs,
4102         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4103         Target_arm::do_relax): New method definitions.
4105 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4107         * configure.ac: Check for (struct stat)::st_mtim
4108         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4109         * config.in: Regenerate.
4110         * configure: Regenerate.
4112 2009-11-05  Ian Lance Taylor  <iant@google.com>
4114         PR 10910
4115         * output.cc (Output_segment::add_output_section): Add missing
4116         return statement.
4118 2009-11-04  Ian Lance Taylor  <iant@google.com>
4120         PR 10880
4121         * object.h (class Object): Add is_needed and set_is_needed
4122         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4123         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4124         defined in a dynamic object and referenced by a regular object,
4125         set is_needed for the dynamic object.
4126         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4127         if the file is marked with as_needed and it is not needed.
4129 2009-11-04  Ian Lance Taylor  <iant@google.com>
4131         PR 10887
4132         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4133         tags if data is discarded by linker script.
4134         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4135         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4136         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4137         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4139 2009-11-04  Ian Lance Taylor  <iant@google.com>
4141         * layout.cc (Layout::get_output_section): Add is_interp and
4142         is_dynamic_linker_section parameters.  Change all callers.
4143         (Layout::choose_output_section): Likewise.
4144         (Layout::make_output_section): Likewise.
4145         (Layout::add_output_section_data): Add is_dynamic_linker_section
4146         parameter.  Change all callers.
4147         * layout.h (class Layout): Update declarations.
4148         * output.h (class Output_section): Add is_interp, set_is_interp,
4149         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4150         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4151         generate_code_fills_at_write_ to a bitfield.
4152         * output.cc (Output_section::Output_sections): Initialize new
4153         fields.
4154         (Output_segment::add_output_section): Add do_sort parameter.
4155         Change all callers.
4157 2009-11-03  Ian Lance Taylor  <iant@google.com>
4159         PR 10860
4160         * options.h (class General_options): Add --warn-common.
4161         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4162         merging two common symbols.
4163         (Symbol_table::should_override): Handle --warn-common when merging
4164         a common symbol with a defined symbol.  Use report_resolve_problem
4165         for multiple definitions.
4166         (Symbol_table::report_resolve_problem): New function.
4167         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4169 2009-11-03  Doug Kwan  <dougkwan@google.com>
4171         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4172         stub_factory_.
4173         (Target_arm::stub_factory): New method definition.
4174         (Target_arm::new_arm_input_section,
4175         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4176         Target_arm::reloc_uses_thumb_bit): New method declarations.
4177         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4178         New type definitions.
4179         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4180         member declarations.
4181         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4182         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4183         New method definitions.
4185 2009-11-03  Ian Lance Taylor  <iant@google.com>
4187         * options.h (class General_options): Add --warn_constructors.
4189 2009-11-03  Ian Lance Taylor  <iant@google.com>
4191         PR 10893
4192         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4193         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4195 2009-11-03  Ian Lance Taylor  <iant@google.com>
4197         PR 10895
4198         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4199         --msgid-bugs-address.
4200         (install-pdf): New target.
4201         (install-data_yes): Look up one directory to find mkinstalldirs.
4203 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4205         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4206         tree.
4208 2009-10-30  Doug Kwan  <dougkwan@google.com>
4210         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4212 2009-10-30  Doug Kwan  <dougkwan@google.com>
4214         * arm.cc (Stub_addend_reader): New struct template definition
4215         and partial specializations.
4216         (Stub_addend_reader::operator()): New method definition for a
4217         partially specialized template.
4219 2009-10-30  Doug Kwan  <dougkwan@google.com>
4221         * arm.cc (Arm_relobj::processor_specific_flags): New method
4222         definition.
4223         (Arm_relobj::do_read_symbols): New method declaration.
4224         (Arm_relobj::processor_specific_flags_): New data member declaration.
4225         (Arm_dynobj): New class definition.
4226         (Target_arm::do_finalize_sections): Add input_objects parameter.
4227         (Target_arm::do_adjust_elf_header): New method declaration.
4228         (Target_arm::are_eabi_versions_compatible,
4229         (Target_arm::merge_processor_specific_flags): New method declaration.
4230         (Target_arm::do_make_elf_object): New overloaded method definitions
4231         and declaration.
4232         (Arm_relobj::do_read_symbols): New method definition.
4233         (Arm_dynobj::do_read_symbols): Ditto.
4234         (Target_arm::do_finalize_sections): Add input_objects parameters.
4235         Merge processor-specific flags from all input objects.
4236         (Target_arm::are_eabi_versions_compatible,
4237         Target_arm::merge_processor_specific_flags,
4238         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4239         New method definitions.
4240         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4241         Input_objects pointer type parameter.
4242         * layout.cc (Layout::finalize): Pass input objects to target's.
4243         finalize_sections function.
4244         * output.cc (Output_file_header::do_sized_write): Set ELF file
4245         header's processor-specific flags.
4246         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4247         Input_objects pointer type parameter.
4248         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4249         * target.h (Input_objects): New forward class declaration.
4250         (Target::processor_specific_flags,
4251         Target::are_processor_specific_flags_sect): New method definitions.
4252         (Target::finalize_sections): Add input_objects parameter.
4253         (Target::Target): Initialize processor_specific_flags_ and
4254         are_processor_specific_flags_set_.
4255         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4256         parameter.
4257         (Target::set_processor_specific_flags): New method definition.
4258         (Target::processor_specific_flags_,
4259         Target::are_processor_specific_flags_set_): New data member
4260         declarations.
4261         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4262         Input_objects pointer type parameter.
4264 2009-10-30  Doug Kwan  <dougkwan@google.com>
4266         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4268 2009-10-28  Ian Lance Taylor  <iant@google.com>
4270         * object.h (class Relobj): Drop options parameter from
4271         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4272         do_scan_relocs, do_relocate.  Change all callers.
4273         (class Sized_relobj): Drop options parameters from
4274         do_gc_process_relocs, do_scan_relocs, do_relocate,
4275         do_relocate_sections, relocate_sections, emit_relocs_scan,
4276         emit_relocs_scan_reltype.  Change all callers.
4277         (struct Relocate_info): Remove options field and all references to
4278         it.
4279         * reloc.h (class Read_relocs): Remove options constructor
4280         parameter and options_ field.  Change all callers.
4281         (class Gc_process_relocs, class Scan_relocs): Likewise.
4282         (class Relocate_task): Likewise.
4283         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4284         all callers.
4285         (scan_relocatable_relocs): Likewise.
4286         * target.h (class Sized_target): Remove options parameter from
4287         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4288         all callers.
4289         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4290         callers.
4291         * arm.cc: Update functions to remove options parameters.
4292         * i386.cc: Likewise.
4293         * powerpc.cc: Likewise.
4294         * sparc.cc: Likewise.
4295         * x86_64.cc: Likewise.
4296         * testsuite/testfile.cc: Likewise.
4298 2009-10-28  Doug Kwan  <dougkwan@google.com>
4300         * arm.cc (Arm_relobj): New class definition.
4301         (Arm_relobj::scan_sections_for_stubs,
4302         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4303         New method definitions.
4305 2009-10-28  Cary Coutant  <ccoutant@google.com>
4307         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4308         (Plugin::cleanup_done_): New member.
4309         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4310         (Plugin_manager::cleanup_done_): Remove.
4311         (Plugin_manager::add_input_file): Edit error message.
4312         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4313         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4315 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4317         * fileread.cc: (File_read::View::~View): Use the new
4318         data_ownership_ filed.
4319         (File_read::~File_read): Dispose the new whole_file_view_.
4320         (File_read::open): Mmap the whole file if needed.
4321         (File_read::open): Use whole_file_view_ instead of contents_.
4322         (File_read::find_view): Use whole_file_view_ if applicable.
4323         (File_read::do_read): Use whole_file_view_ instead of contents_.
4324         (File_read::make_view): Use whole_file_view_ instead of contents_,
4325         update File_read::View::View call.
4326         (File_read::find_or_make_view): Update File_read::View::View
4327         call.
4328         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4329         remove contents_
4330         (File_read::View::Data_ownership): New enum.
4331         (File_read::View::View): Replace bool mapped_ with Data_ownership
4332         argument.
4333         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4334         (File_read::View::data_ownership_): New field.
4335         (File_read::contents_): Remove (replaced by whole_file_view_).
4336         (File_read::whole_file_view_): New field.
4337         * options.h (class General_options): Add --keep-files-mapped.
4339 2009-10-27  Cary Coutant  <ccoutant@google.com>
4341         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4342         * testsuite/Makefile.am (plugin_test_5): New test case.
4343         * testsuite/Makefile.in: Regenerate.
4345 2009-10-25  Doug Kwan  <dougkwan@google.com>
4347         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4348         from private to protected to allow access by child class.
4349         (Sized_relobj::do_relocate_sections): New method declaration.
4350         (Sized_relobj::relocate_sections): Virtualize.
4351         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4352         Sized_relobj::relocate_sections.  Instantiate template explicitly
4353         for different target sizes and endianity.
4355 2009-10-24  Doug Kwan  <dougkwan@google.com>
4357         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4358         (Arm_input_section::as_arm_input_section): New method.
4359         (Arm_output_section): New class definition.
4360         (Arm_output_section::create_stub_group,
4361         Arm_output_section::group_sections): New method definitions.
4363 2009-10-22  Doug Kwan  <dougkwan@google.com>
4365         * arm.cc (Arm_input_section): New class definition.
4366         (Arm_input_section::init, Arm_input_section:do_write,
4367         Arm_input_section::set_final_data_size,
4368         Arm_input_section::do_reset_address_and_file_offset): New method
4369         definitions.
4371 2009-10-21  Doug Kwan  <dougkwan@google.com>
4373         * arm.cc (Stub_table, Arm_input_section): New forward class
4374         declarations.
4375         (Stub_table): New class defintion.
4376         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4377         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4378         New method definition.
4380 2009-10-21  Doug Kwan  <dougkwan@google.com>
4382         * arm.cc: Update copyright comments.
4383         (Target_arm): New forward class template declaration.
4384         (Arm_address): New type.
4385         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4386         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4387         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4388         constants.
4389         (Insn_template): Same.
4390         (DEF_STUBS): New macro.
4391         (Stub_type): New enum type.
4392         (Stub_template): New class definition.
4393         (Stub): Same.
4394         (Reloc_stub): Same.
4395         (Stub_factory): Same.
4396         (Target_arm::Target_arm): Initialize may_use_blx_ and
4397         should_force_pic_veneer_.
4398         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4399         Target_arm::should_force_pic_veneer,
4400         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4401         Target_arm::using_thumb_only, Target_arm:;default_target): New
4402         method defintions.
4403         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4404         New data member declarations.
4405         (Insn_template::size, Insn_template::alignment): New method defintions.
4406         (Stub_template::Stub_template): New method definition.
4407         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4408         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4409         (Stub_factory::Stub_factory): New method definition.
4410         * gold.h (string_hash): New template.
4411         * output.h (Input_section_specifier::hash_value): Use
4412         gold::string_hash.
4413         (Input_section_specifier::string_hash): Remove.
4414         * stringpool.cc (Stringpool_template::string_hash): Use
4415         gold::string_hash.
4417 2009-10-20  Doug Kwan  <dougkwan@google.com>
4419         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4420         symbols of relaxed input sections.
4421         * output.h (Output_section::find_relaxed_input_section): Make
4422         method public.
4424 2009-10-16  Doug Kwan  <dougkwan@google.com>
4426         * dynobj.cc (Versions::Versions): Initialize version_script_.
4427         Only insert base version symbol definition for a shared object
4428         if version script defines any version versions.
4429         (Versions::define_base_version): New method definition.
4430         (Versions::add_def): Check that base version is not needed.
4431         (Versions::add_need): Define base version lazily.
4432         * dynobj.h (Versions::define_base_version): New method declaration.
4433         (Versions::needs_base_version_): New data member declaration.
4434         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4435         (check_DATA): Add no_version_test.stdout.
4436         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4437         New make rules.
4438         * testsuite/Makefile.in: Regenerate.
4439         * testsuite/no_version_test.c: New file.
4440         * testsuite/no_version_test.sh: Ditto.
4442 2009-10-16  Doug Kwan  <dougkwan@google.com>
4444         * expression.cc (class Segment_start_expression): New class definition.
4445         (Segment_start_expression::value): New method definition.
4446         (script_exp_function_segment_start): Return a new
4447         Segment_start_expression.
4448         * gold/script-c.h (script_saw_segment_start_expression): New function
4449         prototype.
4450         * script-sections.cc (Script_sections::Script_sections): Initialize
4451         SAW_SEGMENT_START_EXPRESSION_ to false.
4452         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4453         and -Tbbs options to specify section addresses if given in
4454         command line and no SEGMENT_START expression is seen in a script.
4455         * script-sections.h (Script_sections::saw_segment_start_expression,
4456         Script_sections::set_saw_segment_start_expression): New method
4457         definition.
4458         (Script_sections::saw_segment_start_expression_): New data member
4459         declaration.
4460         * script.cc (script_saw_segment_start_expression): New function.
4461         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4462         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4463         script_test_7.sh and script_test_8.sh.
4464         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4465         script_test_8.stdout.
4466         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4467         (script_test_6, script_test_6.stdout, script_test_7,
4468         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4469         * Makefile.in: Regenerate.
4470         * testsuite/script_test_6.sh: New file.
4471         * testsuite/script_test_6.t: Same.
4472         * testsuite/script_test_7.sh: Same.
4473         * testsuite/script_test_7.t: Same.
4474         * testsuite/script_test_8.sh: Same.
4476 2009-10-16  Doug Kwan  <dougkwan@google.com>
4478         * output.cc (Output_segment::set_section_list_address): Cast
4479         expressions to unsigned long long type to avoid format warnings.
4481 2009-10-15  Ian Lance Taylor  <iant@google.com>
4483         * script.cc (Script_options::add_symbol_assignment): Always add a
4484         dot assignment to script_sections_.
4485         * script-sections.cc (Script_sections::add_dot_assignment):
4486         Initialize if necessary.
4488         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4489         program headers with no load segment if there is a linker script.
4491         * layout.cc (Layout::set_segment_offsets): Align the file offset
4492         to the segment aligment for -N or -n with no load segment.
4493         * output.cc (Output_segment::add_output_section): Don't crash if
4494         the first section is a TLS section.
4495         (Output_segment::set_section_list_addresses): Print an error
4496         message if the address moves backward in a linker script.
4497         * script-sections.cc
4498         (Output_section_element_input::set_section_addresses): Don't
4499         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4500         (Orphan_output_section::set_section_addresses): Likewise.
4502 2009-10-15  Doug Kwan  <dougkwan@google.com>
4504         * layout.cc (Layout::finish_dynamic_section): Generate tags
4505         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4506         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4507         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4509 2009-10-14  Ian Lance Taylor  <iant@google.com>
4511         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4512         fields.
4513         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4514         data_shdr fields of relinfo.
4515         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4516         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4517         R_386_TLS_LDO_32, adjust based on section flags.
4518         (Target_i386::Relocate::fix_up_ldo): Remove.
4520 2009-10-13  Ian Lance Taylor  <iant@google.com>
4522         Add support for -pie.
4523         * options.h (class General_options): Add -pie and
4524         --pic-executable.
4525         (General_options::output_is_position_independent): Test -pie.
4526         (General_options::output_is_executable): Return true if not shared
4527         and not relocatable.
4528         (General_options::output_is_pie): Remove.
4529         * options.cc (General_options::finalize): Reject incompatible uses
4530         of -pie.
4531         * gold.cc (queue_middle_tasks): A -pie link is not static.
4532         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4533         * symtab.cc (Symbol::final_value_is_known): Return false if
4534         output_is_position_independent.
4535         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4536         output_is_position_independent.
4537         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4538         output_is_position_independent.
4539         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4540         output_is_position_independent.
4541         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4542         two_file_pie_test.
4543         (basic_pie_test.o, basic_pie_test): New targets.
4544         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4545         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4546         (two_file_pie_test): New target.
4547         * testsuite/Makefile.in: Rebuild.
4548         * README: Remove note saying that -pie is not supported.
4550 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4552         * options.h (class General_options): Add -init and -fini.
4553         * layout.cc (Layout::finish_dynamic_section): Emit
4554         given init and fini functions.
4556 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4558         * gc.h (gc_process_relocs): Check if icf is enabled using new
4559         function.
4560         * gold.cc (queue_initial_tasks): Likewise.
4561         (queue_middle_tasks): Likewise.
4562         * object.cc (do_layout): Likewise.
4563         * symtab.cc (is_section_folded): Likewise.
4564         * main.cc (main): Likewise.
4565         * reloc.cc (Read_relocs::run): Likewise.
4566         (Sized_relobj::do_scan_relocs): Likewise.
4567         * icf.cc (is_function_ctor_or_dtor): New function.
4568         (Icf::find_identical_sections): Check if function is ctor or dtor when
4569         safe icf is chosen.
4570         * options.h (General_options::icf): Change option to be an enum.
4571         (Icf_status): New enum.
4572         (icf_enabled): New method.
4573         (icf_safe_folding): New method.
4574         (set_icf_status): New method.
4575         (icf_status_): New variable.
4576         * (options.cc) (General_options::finalize): Set icf_status_.
4577         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4578         icf_test and icf_keep_unique_test to use the --icf enum flag.
4579         * testsuite/icf_safe_test.sh: New file.
4580         * testsuite/icf_safe_test.cc: New file.
4582 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4584         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4585         includes to gc.h and icf.h.
4586         * arm.cc: Include gc.h.
4587         * gold.cc: Likewise.
4588         * i386.cc: Likewise.
4589         * powerpc.cc: Likewise.
4590         * sparc.cc: Likewise.
4591         * x86_64.cc: Likewise.
4592         * gc.h: Include icf.h.
4594 2009-10-11  Ian Lance Taylor  <iant@google.com>
4596         * plugin.cc: Include "gold.h" before other header files.
4598 2009-10-10  Chris Demetriou  <cgd@google.com>
4600         * options.h (Input_file_argument::Input_file_type): New enum.
4601         (Input_file_argument::is_lib_): Replace with...
4602         (Input_file_argument::type_): New member.
4603         (Input_file_argument::Input_file_argument): Take Input_file_type
4604         'type' rather than boolean 'is_lib' as second argument.
4605         (Input_file_argument::is_lib): Use type_.
4606         (Input_file_argument::is_searched_file): New function.
4607         (Input_file_argument::may_need_search): Handle is_searched_file.
4608         * options.cc (General_options::parse_library): Support -l:filename.
4609         (General_options::parse_just_symbols): Update for Input_file_argument
4610         changes.
4611         (Command_line::process): Likewise.
4612         * archive.cc (Archive::get_file_and_offset): Likewise.
4613         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4614         * script.cc (read_script_file, script_add_file): Likewise.
4615         * fileread.cc (Input_file::Input_file): Likewise.
4616         (Input_file::will_search_for): Handle is_searched_file.
4617         (Input_file::open): Likewise.
4618         * readsyms.cc (Read_symbols::get_name): Likewise.
4619         * testsuite/Makefile.am (searched_file_test): New test.
4620         * testsuite/Makefile.in: Regenerate.
4621         * testsuite/searched_file_test.cc: New file.
4622         * testsuite/searched_file_test_lib.cc: New file.
4624 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4625             Ian Lance Taylor  <iant@google.com>
4627         * descriptor.cc: Include <cstdio> and "binary-io.h".
4628         (Descriptors::open): Open the files in binary mode always.
4629         * script.cc (Lex::get_token): Treat \r as whitespace.
4631 2009-10-09  Ian Lance Taylor  <iant@google.com>
4633         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4635 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4636             Ian Lance Taylor  <iant@google.com>
4638         * configure.ac: Check for readv function also.
4639         * fileread.cc (readv): Define if not HAVE_READV.
4640         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4641         does not exist.
4642         * config.in: Regenerate.
4643         * configure: Regenerate.
4645 2009-10-09  Doug Kwan  <dougkwan@google.com>
4647         * layout.cc (Layout::make_output_section): Call target hook to make
4648         ordinary output section.
4649         (Layout::finalize): Adjust parameter list of call the
4650         Target::may_relax().
4651         * layout.h (class Layout::section_list): New method.
4652         * merge.h (Output_merge_base::entsize): Change visibility to public.
4653         (Output_merge_base::is_string, Output_merge_base::do_is_string):
4654         New methods.
4655         (Output_merge_string::do_is_string): New method.
4656         * object.cc (Sized_relobj::do_setup): renamed from
4657         Sized_relobj::set_up.
4658         * object.h (Sized_relobj::adjust_shndx,
4659         Sized_relobj::initializ_input_to_output_maps,
4660         Sized_relobj::free_input_to_output_maps): Change visibilities to
4661         protected.
4662         (Sized_relobj::setup): Virtualize.
4663         (Sized_relobj::do_setup): New method declaration.
4664         (Sized_relobj::invalidate_section_offset,
4665         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4666         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4667         * options.cc (parse_int): New function.
4668         * options.h (parse_int): New declaration.
4669         (DEFINE_int): New macro.
4670         (stub_group_size): New option.
4671         * output.cc (Output_section::Output_section): Initialize memebers
4672         merge_section_map_, merge_section_by_properties_map_,
4673         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4674         (Output_section::add_input_section): Handled deferred code-fill
4675         generation and remove an old comment.
4676         (Output_section::add_relaxed_input_section): New method definition.
4677         (Output_section::add_merge_input_section): Use merge section by
4678         properties map to speed to search.  Update merge section maps
4679         as appropriate.
4680         (Output_section::build_relaxation_map): New method definition.
4681         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4682         Same.
4683         (Output_section::relax_input_section): Renamed to
4684         Output_section::convert_input_sections_to_relaxed_sections and change
4685         interface to take a vector of pointers to relaxed sections.
4686         (Output_section::find_merge_section,
4687         Output_section::find_relaxed_input_section): New method definitions.
4688         (Output_section::is_input_address_mapped,
4689         Output_section::output_offset, Output_section::output_address):
4690         Use output section data maps to speed up searching.
4691         (Output_section::find_starting_output_address): Add comments.
4692         (Output_section::do_write,
4693         Output_section::write_to_postprocessing_buffer): Do code-fill
4694         generation as appropriate.
4695         (Output_section::get_input_sections): Invalidate relaxed input section
4696         map.
4697         (Output_section::restore_states): Adjust type of checkpoint .
4698         Invalidate relaxed input section map.
4699         * output.h (Output_merge_base): New class declaration.
4700         (Input_section_specifier): New class defintion.
4701         (class Output_relaxed_input_section) Change base class to
4702         Output_section_data_build.
4703         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4704         base class initializer.
4705         (Output_section::add_relaxed_input_section): New method declaration.
4706         (Output_section::Input_section): Change visibility to protected.
4707         (Output_section::Input_section::relobj,
4708         Output_section::Input_section::shndx): Handle relaxed input sections.
4709         Output_section::input_sections) Change visibility to protected.  Also
4710         define overload to return a non-const pointer.
4711         (Output_section::Merge_section_properties): New class defintion.
4712         (Output_section::Merge_section_by_properties_map,
4713         Output_section::Output_section_data_by_input_section_map,
4714         Output_section::Relaxation_map): New types.
4715         (Output_section::relax_input_section): Rename method to
4716         Output_section::convert_input_sections_to_relaxed_sections and change
4717         interface to take a vector of relaxed section pointers.
4718         (Output_section::find_merge_section,
4719         Output_section::find_relaxed_input_section,
4720         Output_section::build_relaxation_map,
4721         Output_section::convert_input_sections_in_list_to_relaxed_sections):
4722         New method declarations.
4723         (Output_section::merge_section_map_
4724         Output_section::merge_section_by_properties_map_,
4725         Output_section::relaxed_input_section_map_,
4726         Output_section::is_relaxed_input_section_map_valid_,
4727         Output_section::generate_code_fills_at_write_): New data members.
4728         * script-sections.cc
4729         (Output_section_element_input::set_section_addresses): Call
4730         current_data_size and addralign methods of relaxed input sections.
4731         (Orphan_output_section::set_section_addresses): Call current_data_size
4732         and addralign methods of relaxed input sections.
4733         * symtab.cc (Symbol_table::compute_final_value): Extract template
4734         from the body of Symbol_table::sized_finalize_symbol.
4735         (Symbol_table::sized_finalized_symbol): Call
4736         Symbol_table::compute_final_value.
4737         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4738         (Symbol_table::compute_final_value): New templated method declaration.
4739         * target.cc (Target::do_make_output_section): New method defintion.
4740         * target.h (Target::make_output_section): New method declaration.
4741         (Target::relax): Add more parameters for input objects, symbol table
4742         and layout.  Adjust call to do_relax.
4743         (Target::do_make_output_section): New method declaration.
4744         (Target::do_relax): Add parameters for input objects, symbol table
4745         and layout.
4747 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4749         * pread.c: Include stdio.h.
4751 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4753         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4754         defined.
4756 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4758         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4759         Change read_shndx type to unsigned int.
4760         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4761         int.
4762         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4763         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4764         Change read_shndx type to unsigned int.
4765         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4766         int.
4767         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4768         * layout.cc (Layout::create_symtab_sections): Cast the result of
4769         local_symcount * symsize to off_t in the gold_assert.
4771 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4773         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4774         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4775         R_ARM_BASE_ABS.
4776         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4777         (Arm_relocate_functions::thm_abs5): New function.
4778         (Arm_relocate_functions::abs12): New function.
4779         (Arm_relocate_functions::abs16): New function.
4780         (Arm_relocate_functions::base_abs): New function.
4781         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4782         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
4783         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4784         R_ARM_BASE_ABS.
4785         (Scan::global): Likewise.
4786         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4787         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4788         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4789         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4790         R_ARM_BASE_ABS.
4792 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4794         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4795         (Arm_relocate_functions::movt_prel): New function.
4796         (Arm_relocate_functions::thm_movw_prel_nc): New function.
4797         (Arm_relocate_functions::thm_movt_prel): New function.
4798         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4799         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4800         (Scan::global, Relocate::relocate): Likewise.
4801         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4803 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4805         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4806         Incremental_checker.
4807         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4808         unsigned int.
4809         (class Incremental_inputs_header): New class.
4810         (Incremental_inputs_header_writer): Edit comment.
4811         (Incremental_inputs_entry): New class.
4812         (Incremental_inputs_entry_writer): Edit comment.
4813         (Sized_incremental_binary::do_find_incremental_inputs_section):
4814         Add *strtab_shndx parameter, fill it.
4815         (Sized_incremental_binary::do_check_inputs): New method.
4816         (Incremental_checker::can_incrementally_link_output_file): Use
4817         Sized_incremental_binary::check_inputs.
4818         (Incremental_inputs::report_command_line): Save command line in
4819         command_line_.
4820         * incremental.h:
4821         (Incremental_binary::find_incremental_inputs_section): New
4822         method.
4823         (Incremental_binary::do_find_incremental_inputs_section): Add
4824         strtab_shndx parameter.
4825         (Incremental_binary::do_check_inputs): New pure virtual method.
4826         (Sized_incremental_binary::do_check_inputs): Declare.
4827         (Incremental_checker::Incremental_checker): Add incremental_inputs
4828         parameter, use it to initialize incremental_inputs_.
4829         (Incremental_checker::incremental_inputs_): New field.
4830         (Incremental_checker::command_line): New method.
4831         (Incremental_checker::inputs): New method.
4832         (Incremental_checker::command_line_): New field.
4834 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4836         * incremental.cc: Include <cstdarg> and "target-select.h".
4837         (vexplain_no_incremental): New function.
4838         (explain_no_incremental): New function.
4839         (Incremental_binary::error): New method.
4840         (Sized_incremental_binary::do_find_incremental_inputs_section): New
4841         method.
4842         (make_sized_incremental_binary): New function.
4843         (open_incremental_binary): New function.
4844         (can_incrementally_link_file): Add checks if output is ELF and has
4845         inputs section.
4846         * incremental.h: Include "elfcpp_file.h" and "output.h".
4847         (Incremental_binary): New class.
4848         (Sized_incremental_binary): New class.
4849         (open_incremental_binary): Declare.
4850         * object.cc (is_elf_object): Use
4851         elfcpp::Elf_recognizer::is_elf_file.
4852         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4853         * output.h (Output_file::filesize): New method.
4855 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4857         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4858         New function.
4859         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4860         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4861         function.
4862         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4863         function.
4864         (Arm_relocate_functions::movw_abs_nc): New function.
4865         (Arm_relocate_functions::movt_abs): New function.
4866         (Arm_relocate_functions::thm_movw_abs_nc): New function.
4867         (Arm_relocate_functions::thm_movt_abs): New function.
4868         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4869         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4870         (Scan::global): Likewise.
4871         (Relocate::relocate): Likewise.
4872         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4874 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4876         * arm.cc (Arm_relocate_functions::got_prel) New function.
4877         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
4878         (Relocate::relocate): Likewise.
4879         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4881 2009-10-06  Ian Lance Taylor  <iant@google.com>
4883         * options.h (class General_options): Define
4884         split_stack_adjust_size parameter.
4885         * object.h (class Object): Add uses_split_stack_ and
4886         has_no_split_stack_ fields.  Add uses_split_stack and
4887         has_no_split_stack accessor functions.  Declare
4888         handle_split_stack_section.
4889         (class Reloc_symbol_changes): Define.
4890         (class Sized_relobj): Define Function_offsets.  Declare
4891         split_stack_adjust, split_stack_adjust_reltype, and
4892         find_functions.
4893         * object.cc (Object::handle_split_stack_section): New function.
4894         (Sized_relobj::do_layout): Call handle_split_stack_section.
4895         * dynobj.cc (Sized_dynobj::do_layout): Call
4896         handle_split_stack_section.
4897         * reloc.cc (Sized_relobj::relocate_sections): Call
4898         split_stack_adjust for executable sections in split_stack
4899         objects.  Pass reloc_map to relocate_section.
4900         (Sized_relobj::split_stack_adjust): New function.
4901         (Sized_relobj::split_stack_adjust_reltype): New function.
4902         (Sized_relobj::find_functions): New function.
4903         * target-reloc.h: Include "object.h".
4904         (relocate_section): Add reloc_symbol_changes parameter.  Change
4905         all callers.
4906         * target.h (class Target): Add calls_non_split method.  Declare
4907         do_calls_non_split virtual method.  Declare match_view and
4908         set_view_to_nop.
4909         * target.cc: Include "elfcpp.h".
4910         (Target::do_calls_non_split): New function.
4911         (Target::match_view): New function.
4912         (Target::set_view_to_nop): New function.
4913         * gold.cc (queue_middle_tasks): Give an error if mixing
4914         split-stack and non-split-stack objects with -r.
4915         * i386.cc (Target_i386::relocate_section): Add
4916         reloc_symbol_changes parameter.
4917         (Target_i386::do_calls_non_split): New function.
4918         * x86_64.cc (Target_x86_64::relocate_section): Add
4919         reloc_symbol_changes parameter.
4920         (Target_x86_64::do_calls_non_split): New function.
4921         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
4922         parameter.
4923         * powerpc.cc (Target_powerpc::relocate_section): Add
4924         reloc_symbol_changes parameter.
4925         * sparc.cc (Target_sparc::relocate_section): Add
4926         reloc_symbol_changes parameter.
4927         * configure.ac: Call AM_CONDITIONAL for the default target.
4928         * configure: Rebuild.
4929         * testsuite/Makefile.am (TEST_AS): New variable.
4930         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
4931         (check_DATA): Add split_i386 and split_x86_64 files.
4932         (SPLIT_DEFSYMS): Define.
4933         (split_i386_[1234n].o): New targets.
4934         (split_i386_[124]): New targets.
4935         (split_i386_[1234r].stdout): New targets.
4936         (split_x86_64_[1234n].o): New targets.
4937         (split_x86_64_[124]): New targets.
4938         (split_x86_64_[1234r].stdout): New targets.
4939         (MOSTLYCLEANFILES): Add new executables.
4940         * testsuite/split_i386.sh: New file.
4941         * testsuite/split_x86_64.sh: New file.
4942         * testsuite/split_i386_1.s: New file.
4943         * testsuite/split_i386_2.s: New file.
4944         * testsuite/split_i386_3.s: New file.
4945         * testsuite/split_i386_4.s: New file.
4946         * testsuite/split_i386_n.s: New file.
4947         * testsuite/split_x86_64_1.s: New file.
4948         * testsuite/split_x86_64_2.s: New file.
4949         * testsuite/split_x86_64_3.s: New file.
4950         * testsuite/split_x86_64_4.s: New file.
4951         * testsuite/split_x86_64_n.s: New file.
4952         * testsuite/testfile.cc (Target_test): Update relocation_section
4953         function.
4954         * testsuite/Makefile.in: Rebuild.
4956 2009-10-06  Ian Lance Taylor  <iant@google.com>
4958         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
4959         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
4960         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
4961         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
4962         the address on ldo_addrs_.
4963         (Target_i386::Relocate::fix_up_ldo): New function.
4965 2009-10-06   Rafael Espindola  <espindola@google.com>
4967         * plugin.cc (add_input_library): New.
4968         (Plugin::load): Add add_input_library to tv.
4969         (Plugin_manager::add_input_file): Add the is_lib argument.
4970         (add_input_file): Update call to Plugin_manager::add_input_file.
4971         (add_input_library): New.
4972         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
4974 2009-09-30  Doug Kwan  <dougkwan@google.com>
4976         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
4977         symbol and call Symbol::may_need_copy_reloc to determine if
4978         a copy reloc is needed.
4979         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
4980         nocopyreloc is given in command line.
4981         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
4982         given in command line.
4983         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
4984         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
4985         of the removed Target_i386::may_need_copy_reloc.
4986         * options.h (copyreloc): New option with default value false.
4987         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4988         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
4989         instead of the removed Target_powerpc::may_need_copy_reloc.
4990         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4991         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
4992         instead of the removed Target_sparc::may_need_copy_reloc.
4993         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
4994         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
4995         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
4996         instead of the removed Target_x86_64::may_need_copy_reloc.
4998 2009-09-30  Ian Lance Taylor  <iant@google.com>
5000         * object.h (class Object): Remove target_ field, and target,
5001         sized_target, and set_target methods.
5002         (Object::sized_target): Remove.
5003         (class Sized_relobj): Update declarations.  Remove sized_target.
5004         * object.cc (Sized_relobj::setup): Remove target parameter.
5005         Change all callers.
5006         (Input_objects::add_object): Don't do anything with the target.
5007         (make_elf_sized_object): Add punconfigured parameter.  Change all
5008         callers.  Set or test parameter target.
5009         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5010         Change all callers.
5011         * parameters.cc (Parameters::set_target): Change parameter type to
5012         be non-const.
5013         (Parameters::default_target): Remove.
5014         (set_parameters_target): Change parameter type to be non-const.
5015         (parameters_force_valid_target): New function.
5016         (parameters_clear_target): New function.
5017         * parameters.h (class Parameters): Update declarations.  Remove
5018         default_target method.  Add sized_target and clear_target
5019         methods.  Change target_ to be non-const.
5020         (set_parameters_target): Update declaration.
5021         (parameters_force_valid_target): Declare.
5022         (parameters_clear_target): Declare.
5023         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5024         as NULL if we aren't searching.
5025         (Add_symbols::run): Don't check for compatible target.
5026         * fileread.cc (Input_file::open_binary): Call
5027         parameters_force_valid_target.
5028         * gold.cc (queue_middle_tasks): Likewise.
5029         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5030         set_target on object.
5031         * dynobj.h (class Sized_dynobj): Update declarations.
5032         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5033         make_elf_object returns NULL.
5034         (Archive::include_member): Don't check whether object target is
5035         compatible.
5036         * output.cc (Output_section::add_input_section): Get target from
5037         parameters.
5038         (Output_section::relax_input_section): Likewise.
5039         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5040         parameters.
5041         (Sized_relobj::do_scan_relocs): Likewise.
5042         (Sized_relobj::relocate_sections): Likewise.
5043         * resolve.cc (Symbol_table::resolve): Likewise.
5044         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5045         parameter.  Change all callers.
5046         (Symbol_table::add_from_object): Get target from parameters.
5047         (Symbol_table::add_from_relobj): Don't check object target.
5048         (Symbol_table::add_from_dynobj): Likewise.
5049         (Symbol_table::define_special_symbol): Get target from
5050         parameters.
5051         * symtab.h (class Symbol_table): Update declaration.
5052         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5053         parameter.  Change all callers.  Clear parameter target.
5054         (Binary_test): Test target here.
5055         * testsuite/object_unittest.cc (gold_testsuite): Remove
5056         target_test_pointer parameter.  Change all callers.
5057         (Object_test): Test target here.
5059 2009-09-26  Ian Lance Taylor  <iant@google.com>
5061         * testsuite/initpri1.c: Don't try to use constructor priorities if
5062         compiling with gcc before 4.3.
5064 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5066         * testsuite/retain_symbols_file_test.sh (check_present): Change
5067         output file name to retain_symbols_file_test.stdout.
5068         (check_absent): Likewise.
5070 2009-09-18  Craig Silverstein  <csilvers@google.com>
5072         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5073         * options.cc: Include <cerrno> and <fstream>.
5074         (General_options::finalize): Parse -retain-symbols-file tag.
5075         * options.h: New flag.
5076         (General_options): New method should_retain_symbol, new
5077         variable symbols_to_retain.
5078         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5079         should_retain_symbol map.
5080         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5081         * testsuite/Makefile.in: Regenerate.
5082         * testsuite/retain_symbols_file_test.sh: New file.
5084 2009-09-18  Nick Clifton  <nickc@redhat.com>
5086         * po/es.po: Updated Spanish translation.
5088 2009-09-17  Doug Kwan  <dougkwan@google.com>
5090         * debug.h (DEBUG_RELAXATION): New constant.
5091         (DEBUG_ALL): Add DEBUG_RELAXATION.
5092         (debug_string_to_enum): Add relaxation debug option.
5093         * layout.cc
5094         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5095         Layout::Relaxation_debug_check::read_sections,
5096         Layout::Relaxation_debug_check::read_sections): New method definitions.
5097         (Layout::Layout): Initialize data members
5098         record_output_section_data_from_scrips_,
5099         script_output_section_data_list_ and relaxation_debug_check_.
5100         (Layout::save_segments, Layout::restore_segments,
5101         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5102         Layout::relaxation_loop_body): New method definitions.
5103         (Layout::finalize): Support relaxation.  Move section layout code to
5104         Layout::relaxation_loop_body.
5105         (Layout::set_asection_address_from_script): Move code for orphan
5106         section placement out.
5107         (Layout::place_orphan_sections_in_script): New method definition.
5108         * layout.h (Output_segment_headers, Output_file_header):
5109         New forward class declarations.
5110         (Layout::~Layout): Define.
5111         (Layout::new_output_section_data_from_script): New method definition.
5112         (Layout::place_orphan_sections_in_script): New method declaration.
5113         (Layout::Segment_states): New type declaration.
5114         (Layout::save_segments, Layout::restore_segments,
5115         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5116         Layout::relaxation_loop_body): New method declarations.
5117         (Layout::Output_section_data_list): New type declaration.
5118         (Layout::Relaxation_debug_check): New class definition.
5119         (Layout::record_output_section_data_from_script_,
5120         Layout::script_output_section_data_list_, Layout::segment_states_,
5121         Layout::relaxation_debug_check_): New data members.
5122         * output.cc: (Output_section_headers::do_size): New method definition.
5123         (Output_section_headers::Output_section_headers): Move size
5124         computation to Output_section_headers::do_size.
5125         (Output_segment_headers::do_size): New method definition.
5126         (Output_file_header::Output_file_header): Move size computation to
5127         Output_file_header::do_size and call it.
5128         (Output_file_header::do_size): New method definition.
5129         (Output_data_group::Output_data_group): Adjust call to
5130         Output_section_data.
5131         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5132         (Output_symtab_xindex::do_write): Add array bound check.
5133         (Output_section::Input_section::print_to_mapfile): Handle
5134         RELAXED_INPUT_SECTION_CODE.
5135         (Output_section::Output_section): Initialize data member checkpoint_.
5136         (Output_section::~Output_section): Delete checkpoint object pointed
5137         by checkpoint_.
5138         (Output_section::add_input_section): Always add an Input_section if
5139         relaxing.
5140         (Output_section::add_merge_input_section): Add assert.
5141         (Output_section::relax_input_section): New method definition.
5142         (Output_section::set_final_data_size): Set load address to zero for
5143         an unallocated section.
5144         (Output_section::do_address_and_file_offset_have_reset_values):
5145         New method definition.
5146         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5147         Handle relaxed input section.
5148         (Output_section::sort_attached_input_sections): Checkpoint input
5149         section list lazily.
5150         (Output_section::get_input_sections): Change type of input_sections to
5151         list of Simple_input_section pointers.  Checkpoint input section list
5152         lazily.  Also handle relaxed input sections.
5153         (Output_section::add_input_section_for_script): Take a reference to
5154         a Simple_input_section object instead of Relobj pointer and section
5155         index as parameter.  Handle relaxed input sections.
5156         (Output_section::save_states, Output_section::restore_states): New
5157         method definitions.
5158         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5159         (Output_data::is_data_size_fixed): New method definition.
5160         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5161         if it is fixed.
5162         (Output_data::address_and_file_offset_have_reset_values): New method
5163         definition.
5164         (Output_data::do_address_and_file_offset_have_reset_values): New method
5165         definition.
5166         (Output_data::set_data_size): Check that data size is not fixed.
5167         (Output_data::fix_data_size): New method definition.
5168         (Output_data::is_data_size_fixed_): New data member.
5169         (Output_section_headers::set_final_data_size): New method definition.
5170         (Output_section_headers::do_size): New method declaration.
5171         (Output_segment_headers::set_final_data_size): New method definition.
5172         (Output_segment_headers::do_size): New method declaration.
5173         (Output_file_header::set_final_data_size)::New method definition.
5174         (Output_file_header::do_size)::New method declaration.
5175         (Output_section_data::Output_section_data): Add new parameter
5176         is_data_size_fixed and use it to fix data size.
5177         (Output_data_const::Output_data_const): Adjust call to base class
5178         constructor and fix data size.
5179         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5180         base class constructor and fix data size.
5181         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5182         base class constructor and fix data size.
5183         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5184         class constructor and fix data size.
5185         (Output_data_group::set_final_data_size): New method definition.
5186         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5187         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5188         class constructor and fix data size.
5189         (Output_relaxed_input_section): New class definition.
5190         (Output_section::Simple_input_section): New class definition.
5191         (Output_section::get_input_sections): Adjust parameter list.
5192         (Output_section::add_input_section_for_script): Same.
5193         (Output_section::save_states, Output_section::restore_states,
5194         Output_section::do_address_and_file_offset_have_reset_values,
5195         (Output_section::Input_section::Input_section): Handle
5196         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5197         Output_relaxed_input_section.
5198         (Output_section::Input_section::is_input_section,
5199         Output_section::Input_section::set_output_section): Handle relaxed
5200         input section.
5201         (Output_section::Input_section::is_relaxed_input_section,
5202         Output_section::Input_section::output_section_data,
5203         Output_section::Input_section::relaxed_input_section): New method
5204         definitions.
5205         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5206         value.
5207         (Output_section::Input_section::u1_): Update comments.
5208         (Output_section::Input_section::u2_): Add new union member poris.
5209         (Output_section::Checkpoint_output_section): New classs definition.
5210         (Output_section::relax_input_section): New method declaration.
5211         (Output_section::checkpoint_): New data member.
5212         (Output_segment): Update comments.
5213         (Output_segment::Output_segment): Un-privatize copy constructor.
5214         (Output_segment::operator=): Un-privatize.
5215         * script-sections.cc (Output_section_element::Input_section_list):
5216         Change element type to Output_section::Simple_input_section.
5217         (Output_section_element_dot_assignment::set_section_addresses):
5218         Register output section data for relaxation clean up.
5219         (Output_data_exression::Output_data_expression): Adjust call to base
5220         constructor to fix data size.
5221         (Output_section_element_data::set_section_addresses): Register
5222         Output_data_expression object for relaxation clean up.
5223         (struct Input_section_info): Replace Relobj pointer and section index
5224         pair with Output_section::Simple_input_section and Convert struct to a
5225         class.
5226         (Input_section_sorter::operator()): Adjust access to
5227         Input_section_info data member to use accessors.
5228         (Output_section_element_input::set_section_addresses): Use layout
5229         parameter.  Adjust code to use Output_section::Simple_input_section
5230         and Input_secction_info classes.  Register filler for relaxation
5231         clean up.
5232         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5233         and section index pair with Output_section::Simple_input_section
5234         class.  Adjust code accordingly.
5235         (Phdrs_element::release_segment): New method definition.
5236         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5237         segment list.
5238         (Script_sections::release_segments): New method definition.
5239         * gold/script-sections.h (Script_sections::release_segments): New
5240         method declaration.
5241         * gold/target.h (Target::may_relax, Target::relax,
5242         Target::do_may_relax, Target::do_relax): New method definitions.
5244 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5246         * arm.cc (has_signed_unsigned_overflow): New function.
5247         (Arm_relocate_functions::abs8): New function.
5248         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5249         (Target_arm::Scan::global): Likewise.
5250         (Target_arm::relocate::relocate): Likewise.
5251         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5252         Likewise.
5254 2009-09-16  Cary Coutant  <ccoutant@google.com>
5256         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5257         * testsuite/Makefile.in: Regenerate.
5259 2009-09-11  Nick Clifton  <nickc@redhat.com>
5261         * po/gold.pot: Updated by the Translation project.
5263 2009-09-08  Cary Coutant  <ccoutant@google.com>
5265         * output.cc (Output_file::open): Add execute permission to empty file.
5266         * testsuite/Makefile.am (permission_test): New test.
5267         * testsuite/Makefile.in: Regenerate.
5269 2009-09-02  Ian Lance Taylor  <iant@google.com>
5271         * output.cc (Output_file::resize): Call map_no_anonymous rather
5272         than map.
5274 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5276         * gold.cc: Include "incremental.h".
5277         (queue_initial_tasks): Call Incremental_checker methods.
5278         * incremental.cc: Include "output.h".
5279         (Incremental_checker::can_incrementally_link_output_file): New
5280         method.
5281         * incremental.h (Incremental_checker): New class.
5283         * output.cc (Output_file::open_for_modification): New method.
5284         (Output_file::map_anonymous): Changed return type to bool.  Record
5285         map in base_ field.
5286         (Output_file::map_no_anonymous): New method, broken out of map.
5287         (Output_file::map): Use map_no_anonymous and map_anonymous.
5288         * output.h (class Output_file): Update declarations.
5290 2009-08-24  Cary Coutant  <ccoutant@google.com>
5292         * options.h (Command_line::Pre_options): New class.
5293         (Command_line::pre_options): New member.
5294         * options.cc (gold::options::ready_to_register): New variable.
5295         (One_option::register_option): Do nothing if not registering options.
5296         Assert if same short option registered twice.
5297         (General_options::General_options): Turn off option registration when
5298         done constructing.
5299         (Command_line::Pre_options::Pre_options): New constructor.
5301 2009-08-24  Cary Coutant  <ccoutant@google.com>
5303         * options.h (General_options::no_keep_memory): Remove incorrect
5304         short option.
5306 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5308         * Makefile.am (am__skiplex, am__skipyacc): New.
5309         * Makefile.in: Regenerate.
5311 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5313         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5314         (INCLUDES): ... this.
5315         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5316         (AM_CPPFLAGS): Renamed from ...
5317         (INCLUDE): ... this.
5318         * Makefile.in, testsuite/Makefile.in: Regenerate.
5320         * Makefile.in: Regenerate.
5321         * aclocal.m4: Likewise.
5322         * config.in: Likewise.
5323         * configure: Likewise.
5324         * testsuite/Makefile.in: Likewise.
5326         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5327         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5328         * Makefile.in: Regenerate.
5329         * testsuite/Makefile.in: Regenerate.
5331 2009-08-19  Cary Coutant  <ccoutant@google.com>
5333         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5334         symbols in shared libraries overridden by hidden or internal symbols
5335         in the main program.
5337 2009-08-19  Chris Demetriou  <cgd@google.com>
5339         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5340         checking source file names in error messages.
5342 2009-08-18  Doug Kwan  <dougkwan@google.com>
5344         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5345         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5346         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5347         an elfcpp::Ehdr as parameter.
5348         * object.cc (Object::set_target): Remove the version that looks up
5349         a target and sets it.
5350         (Sized_relobj::setup): Take a Target object instead of
5351         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5352         (make_elf_sized_object): Find target and ask target to
5353         make an ELF object.
5354         * object.h: (Object::set_target): Remove the version that looks up
5355         a target and sets it.
5356         (Sized_relobj::setup): Take a Target object instead of
5357         an elfcpp:Ehdr as parameter.
5358         * target.cc: Include dynobj.h.
5359         (Target::do_make_elf_object_implementation): New.
5360         (Target::do_make_elf_object): New.
5361         * target.h (Target::make_elf_object): New template declaration.
5362         (Target::do_make_elf_object): New method declarations.
5363         (Target::do_make_elf_object_implementation): New template declaration.
5365 2009-08-14  Ian Lance Taylor  <iant@google.com>
5367         * gold.h (FUNCTION_NAME): Define.
5368         (gold_unreachable): Use FUNCTION_NAME.
5370 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5372         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5373         symbol in the --keep-unique list is not found.
5375 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5377         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5378         been maked as --keep-unique.
5379         (Icf::unfold_section): New function.
5380         * icf.h (Icf::unfold_section): New function.
5381         * options.h (General_options::keep_unique): New option.
5382         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5383         * testsuite/Makefile.in: Regenerate.
5384         * testsuite/icf_keep_unique_test.sh: New file.
5385         * testsuite/icf_keep_unique_test.cc: New file.
5387 2009-08-12  Cary Coutant  <ccoutant@google.com>
5389         PR 10471
5390         * resolve.cc (Symbol_table::resolve): Check for references from
5391         dynamic objects to hidden and internal symbols.
5392         * testsuite/Makefile.am (hidden_test.sh): New test.
5393         * testsuite/Makefile.in: Regenerate.
5394         * testsuite/hidden_test.sh: New script.
5395         * testsuite/hidden_test_1.c: New test source.
5396         * testsuite/hidden_test_main.c: New test source.
5398 2009-08-11  Doug Kwan  <dougkwan@google.com>
5400         * arm.cc: Update comments.
5401         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5402         segment to locate the .ARM.exidx section if present.
5404 2009-08-09  Doug Kwan  <dougkwan@google.com>
5406         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5407         patch.
5409 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5410         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5411         compiler warnings.
5413 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5415         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5416         valid tls_segment only for non-debug-section relocations.
5417         * testsuite/Makefile.am: Add gc_tls_test.
5418         * testsuite/Makefile.in: Regenerate.
5419         * testsuite/gc_tls_test.cc: New file.
5420         * testsuite/gc_tls_test.sh: New file.
5422 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5424         * icf.cc: New file.
5425         * icf.h: New file.
5426         * Makefile.am (CCFILES): Add icf.cc.
5427         (HFILES): Add icf.h
5428         * Makefile.in: Regenerate.
5429         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5430         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5431         section, symbol and addend information for the relocs.
5432         * gold.cc (queue_middle_tasks): Call identical code folding.
5433         * gold.h: Add defines for multimap.
5434         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5435         to the call of finalize_local_symbols.
5436         * main.cc (main): Create object of class Icf.
5437         * object.cc (Sized_relobj::do_layout): Allow this function to be
5438         called twice during icf.
5439         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5440         to sections marked as identical by icf.
5441         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5442         when available.
5443         (Sized_relobj::do_section_entsize): New function.
5444         * object.h (Object::section_entsize): New function.
5445         (Object::do_section_entsize): New pure virtual function.
5446         (Relobj::finalize_local_symbols): Add new parameter.
5447         (Relobj::do_section_entsize): New function.
5448         * options.h (General_options::icf): New option.
5449         (General_options::icf_iterations): New option.
5450         (General_options::print_icf_sections): New option.
5451         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5452         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5453         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5454         icf.
5455         * symtab.cc (Symbol_table::is_section_folded): New function.
5456         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5457         to sections marked as identical by icf.
5458         * symtab.h (Symbol_table::set_icf): New function.
5459         (Symbol_table::icf): New function.
5460         (Symbol_table::is_section_folded): New function.
5461         (Symbol_table::icf_): New data member.
5462         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5463         * testsuite/Makefile.am: Add commands to build icf_test.
5464         * testsuite/Makefile.in: Regenerate.
5465         * testsuite/icf_test.sh: New file.
5466         * testsuite/icf_test.cc: New file.
5468 2009-07-24  Chris Demetriou  <cgd@google.com>
5470         * layout.cc (is_compressible_debug_section): Fix incorrect
5471         comment about compressed section names.
5473 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5475         PR 10419
5476         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5478 2009-07-16  Ian Lance Taylor  <iant@google.com>
5480         PR 10400
5481         * layout.h: #include <map>.
5482         (class Kept_section): Change from struct to class.  Add accessors
5483         and setters.  Add section size to Comdat_group mapping.  Change
5484         Comdat_group to std::map.  Add is_comdat_ field.  Add
5485         linkonce_size field in union.
5486         (class Layout): Update declaration of find_or_add_kept_section.
5487         Don't declare find_kept_object.
5488         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5489         parameter.  Add object, shndx, is_comdat, and is_group_name
5490         parameters.  Change all callers.  Adjust for new Kept_section.
5491         (Layout::find_kept_object): Remove.
5492         * object.cc (Sized_relobj::include_section_group): Update use of
5493         Kept_section.  Rename secnum to shndx.  Only record
5494         Kept_comdat_section if sections are the same size.
5495         (Sized_relobj::include_linkonce_section): Update use of
5496         Kept_section.  Only record Kept_comdat_section if sections are the
5497         same size.  Set size of linkonce section.
5498         (Sized_relobj::map_to_kept_section): Update call to
5499         get_kept_comdat_section.
5500         * object.h (class Sized_relobj): Rename fields in
5501         Kept_comdat_section to drop trailing underscores; change object
5502         field to Relobj*.  Change Kept_comdat_section_table to store
5503         struct rather than pointer.
5504         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5505         Add kept_object and kept_shndx parameters.  Change all callers.
5506         (Sized_relobj::get_kept_comdat_section): Change return type to
5507         bool.  Add kept_object and kept_shndx parameters.  Change all
5508         callers.
5509         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5510         Layout::find_or_add_kept_section.
5512 2009-07-09  Ian Lance Taylor  <iant@google.com>
5514         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5515         Reserve space in the hash table.
5517 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5519         * fileread.cc (File_read::get_mtime): New method.
5520         * fileread.h (Timespec): New structure.
5521         (File_read::get_mtime): New method.
5522         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5523         Renamed from timestamp_nsec.
5524         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5525         Elf_Xword.
5526         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5527         timestamp_nsec.
5528         (Incremental_inputs::report_archive): Save mtime; style fix.
5529         (Incremental_inputs::report_obejct): Save mtime; style fix.
5530         (Incremental_inputs::report_script): Save mtime; style fix.
5531         (Incremental_inputs::finalize_inputs): Style fix.
5532         (Incremental_inputs::finalize): Style fix.
5533         (Incremental_inputs::create_input_section_data): Store inputs
5534         mtime.
5535         * incremental.h (Incremental_inputs::report_script): Add mtime
5536         argument.
5537         (Incremental_inputs::Input_info::Input_info): Intialize only one
5538         union member.
5539         (Incremental_inputs::Input_info::archive): Move to nameless
5540         union.
5541         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5542         (Incremental_inputs::Input_info::script): Move to nameless union.
5543         (Incremental_inputs::mtime): New field.
5544         * script.cc (read_input_script): Pass file mtime to
5545         Incremental_input.
5546         * script.h (Script_info::inputs): Style fix.
5548 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5550         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5551         instead of 32.
5553 2009-06-24  Ian Lance Taylor  <iant@google.com>
5555         PR 10156
5556         * layout.cc (Layout::choose_output_section): If we find an
5557         existing section, update the flags.
5558         (Layout::create_notes): New function, broken out of
5559         Layout::finalize.
5560         (Layout::finalize): Don't create note sections.
5561         (Layout::create_note): Don't crash if linker script discards
5562         section.
5563         (Layout::create_gold_note): Likewise.
5564         (Layout::create_build_id): Likewise.  Don't set
5565         after_input_sections on the section.
5566         (Layout::create_executable_stack_info): Remove target parameter.
5567         Change caller.
5568         * layout.h (class Layout): Declare create_notes.  Update
5569         declaration of create_executable_stack_info.
5570         * gold.cc (queue_middle_tasks): Call create_notes.
5571         * output.cc (Output_section::update_flags_for_input_section): Move
5572         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5573         invalid.
5574         * output.h (Output_data::mark_address_invalid): New function.
5575         (class Output_section): Only declare, not define,
5576         update_flags_for_input_section.  Remove set_flags.
5578 2009-06-24  Ian Lance Taylor  <iant@google.com>
5580         * script-sections.cc (Output_section_definition::
5581         set_section_addresses): Rename shadowing local load_address to
5582         laddr.
5584 2009-06-24  Ian Lance Taylor  <iant@google.com>
5586         PR 10244
5587         * reloc.cc (relocate_sections): Skip empty relocation sections.
5589 2009-06-23  Ian Lance Taylor  <iant@google.com>
5591         PR 10156
5592         * layout.cc (Layout::create_note): Use choose_output_section
5593         rather than make_output_section.
5595 2009-06-23  Ian Lance Taylor  <iant@google.com>
5597         PR 10237
5598         * options.cc (General_options::parse_V): Set printed_version_.
5599         (General_options::General_options): Initialize printed_version_.
5600         * options.h (class General_options): Add printed_version_ field.
5601         * gold.cc (queue_initial_tasks): If there are no input files,
5602         don't give a fatal error if we printed the version information.
5603         (queue_middle_tasks): If using -r with a shared object, give a
5604         fatal error rather than an ordinary error.
5606 2009-06-23  Ian Lance Taylor  <iant@google.com>
5608         PR 10219
5609         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5610         (Layout::make_output_section): Set have_stabstr_section_ if we see
5611         a .stab*str section.
5612         (Layout::finalize): Call link_stabs_sections.
5613         (Layout::link_stabs_sections): New file.
5614         * layout.h (class Layout): Add have_stabstr_section_ field.
5615         Declare link_stabs_sections.
5617 2009-06-23  Doug Kwan  <dougkwan@google.com>
5619         * Makefile.am (libgold_a_LIBADD): New.
5620         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5621         * Makefile.in: Regenerate.
5622         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5623         * configure: Regenerate.
5624         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5625         * fileread.cc: Include sys/state.h
5626         * gold.h: Declare memmem and strndup if found missing.
5627         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5629 2009-06-23  Ian Lance Taylor  <iant@google.com>
5631         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5632         * configure: Rebuild.
5634 2009-06-23  Ian Lance Taylor  <iant@google.com>
5636         PR 10147
5637         * object.cc (Object::section_contents): Don't try to get a view if
5638         the section has length zero.
5639         (Object::handle_gnu_warning_section): If the section is empty, use
5640         the name of the section as the warning.
5642 2009-06-23  Ian Lance Taylor  <iant@google.com>
5644         PR 10133
5645         * stringpool.h (class Stringpool_template): Add optimize_ field.
5646         (Stringpool_template::set_optimize): New function.
5647         * stringpool.cc (Stringpool_template::Stringpool_template):
5648         Initialize optimize_ field.
5649         (Stringpool_template::set_string_offsets): Test local optimize
5650         fild rather than parameter.
5651         * layout.cc (Layout::Layout): Call set_optimize on the section
5652         name stringpool.
5654 2009-06-22  Ian Lance Taylor  <iant@google.com>
5656         PR 10030
5657         * yyscript.y: Parse TARGET.
5658         * script.cc (script_set_target): New function.
5659         * script-c.h (script_set_target): Declare.
5660         * options.cc (General_options::string_to_object_format): Rename
5661         from string_to_object_format in anonymous namespace.  Change
5662         callers.
5663         * options.h (class General_options): Declare
5664         string_to_object_format.
5666 2009-06-22  Ian Lance Taylor  <iant@google.com>
5668         * script-sections.cc (Script_sections::create_segments): Don't put
5669         program headers in a PT_LOAD segment if -n or -N.
5671 2009-06-22  Ian Lance Taylor  <iant@google.com>
5673         PR 10141
5674         * options.h (class General_options): Add -z lazy and -z now.  Sort
5675         -z options into alphabetical order.
5676         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5678 2009-06-21  Ian Lance Taylor  <iant@google.com>
5680         * layout.cc (Layout::make_output_section): Call
5681         Target::new_output_section.
5682         (Layout::attach_allocated_section_to_segment): Put large section
5683         sections in a separate load segment with the large segment flag
5684         set.
5685         (Layout::segment_precedes): Sort large data segments after other
5686         load segments.
5687         (align_file_offset): New static function.
5688         (Layout::set_segment_offsets): Use align_file_offset.
5689         * output.h (class Output_section): Add is_small_section_ and
5690         is_large_section_ fields.
5691         (Output_section::is_small_section): New function.
5692         (Output_section::set_is_small_section):  New function.
5693         (Output_section::is_large_section): New function.
5694         (Output_section::set_is_large_section): New function.
5695         (Output_section::is_large_data_section): New function.
5696         (class Output_segment): Add is_large_data_segment_ field.
5697         (Output_segment::is_large_data_segment): New function.
5698         (Output_segment::set_is_large_data_segment): New function.
5699         * output.cc (Output_section::Output_section): Initialize new
5700         fields.
5701         (Output_segment::Output_segment): Likewise.
5702         (Output_segment::add_output_section): Add assertion that large
5703         data sections always go in large data segments.  Force small data
5704         sections to the end of the list of data sections.  Force small BSS
5705         sections to the start of the list of BSS sections.  For large BSS
5706         sections to the end of the list of BSS sections.
5707         * symtab.h (class Symbol): Declare is_common_shndx.
5708         (Symbol::is_defined): Check Symbol::is_common_shndx.
5709         (Symbol::is_common): Likewise.
5710         (class Symbol_table): Define enum Commons_section_type.  Update
5711         declarations.  Add small_commons_ and large_commons_ fields.
5712         * symtab.cc (Symbol::is_common_shndx): New function.
5713         (Symbol_table::Symbol_table): Initialize new fields.
5714         (Symbol_table::add_from_object): Put small and large common
5715         symbols in the right list.
5716         (Symbol_table::sized_finalized_symbol): Check
5717         Symbol::is_common_shndx.
5718         (Symbol_table::sized_write_globals): Likewise.
5719         * common.cc (Symbol_table::do_allocate_commons): Allocate new
5720         common symbol lists.  Don't call do_allocate_commons_list if the
5721         list is empty.
5722         (Symbol_table::do_allocate_commons_list): Remove is_tls
5723         parameter.  Add comons_section_type parameter.  Change all
5724         callers.  Handle small and large common symbols.
5725         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5726         Symbol::is_common_shndx.
5727         * resolve.cc (symbol_to_bits): Likewise.
5728         * target.h (Target::small_common_shndx): New function.
5729         (Target::small_common_section_flags): New function.
5730         (Target::large_common_shndx): New function.
5731         (Target::large_common_section_flags): New function.
5732         (Target::new_output_section): New function.
5733         (Target::Target_info): Add small_common_shndx, large_common_shndx,
5734         small_common_section_flags, and large_common_section_flags
5735         fields.
5736         (Target::do_new_output_section): New virtual function.
5737         * arm.cc (Target_arm::arm_info): Initialize new fields.
5738         * i386.cc (Target_i386::i386_info): Likewise.
5739         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5740         Likewise.
5741         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5742         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5743         (Target_x86_64::do_new_output_section): New function.
5744         * configure.ac: Define conditional MCMODEL_MEDIUM.
5745         * testsuite/Makefile.am (check_PROGRAMS): Add large.
5746         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5747         (large_LDFLAGS): Define.
5748         * testsuite/large.c: New file.
5749         * testsuite/testfile.cc (Target_test::test_target_info):
5750         Initialize new fields.
5751         * configure, testsuite/Makefile.in: Rebuild.
5753 2009-06-05  Doug Kwan  <dougkwan@google.com>
5755         * Makefile.am (CCFILES): Add target.cc.
5756         * Makefile.in: Regenerate.
5757         * i386.cc (class Target_i386): Define new virtual method to
5758         override do_is_local_label_name in parent.
5759         * object.cc (Sized_relobj::do_count_local_symbols): Discard
5760         local symbols if --discard-locals or -X is given.
5761         * options.h (class General_options): Declare new options
5762         '--discard-locals' and '-X' for discarding locals.
5763         * target.h (class Target): Define new methods is_local_label_name.
5764         Declare new virtual method do_is_local_label_name.
5765         * target.cc: New file.
5766         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5767         (check_SCRIPTS): Add discard_locals_test.sh.
5768         (check_DATA): Add discard_local_tests.syms.
5769         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5770         (discard_local_tests.syms, discard_locals_test.o): New make rules.
5771         * testsuite/Makefile.in: Regenerate.
5772         * testsuite/discard_locals_test.c: New file.
5773         * testsuite/discard_locals_test.sh: Same.
5775 2009-06-05  Doug Kwan  <dougkwan@google.com>
5777         * object.cc (Sized_relobj::Sized_relobj): Initialize
5778         discarded_eh_frame_shndx_ to -1U.
5779         (Sized_relobj::do_layout): Record index of a discard .eh_frame
5780         section.
5781         (Sized_relobj::do_count_local_symbols): Skip local symbols in
5782         a discarded .eh_frame section.
5783         (Sized_relobj::do_finalize_local_symbols): Ditto.
5784         * object.h (class Sized_relobj): Declare new member
5785         discarded_eh_frame_shndx_.
5786         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5787         (local_labels_test.o, local_labels_test): New rules.
5788         * testsuite/Makefile.in: Regenerate.
5790 2009-06-04  Doug Kwan  <dougkwan@google.com>
5792         * layout.cc (Layout::section_name_mapping): Add mapping for
5793         special ARM sections.
5795 2009-06-03  Doug Kwan  <dougkwan@google.com>
5797         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5798         (utils::has_overflow): Same.
5800 2009-06-03  Ian Lance Taylor  <iant@google.com>
5802         * layout.cc (Layout::section_name_mapping): New array, replacing
5803         Layout::linkonce_mapping.
5804         (Layout::section_name_mapping_count): New variable, replacing
5805         Layout::linkonce_mapping_count.
5806         (Layout::linkonce_output_name): Remove.
5807         (Layout::output_section_name): Rewrite.
5808         * layout.h (class Layout): Rename Linkonce_mapping to
5809         Section_name_mapping, linkonce_mapping to section_name_mapping,
5810         linkonce_mapping_count to section_name_mapping_count.  Don't
5811         declare linkonce_output_name.
5813 2009-06-03  Doug Kwan  <dougkwan@google.com>
5815         * gold/arm.cc (namespace utils): New.
5816         (Target_arm::reloc_is_non_pic): Define new method.
5817         (class Arm_relocate_functions): New.
5818         (Target_arm::Relocate::relocate): Handle relocation types used by
5819         Android.
5821 2009-06-03  Ian Lance Taylor  <iant@google.com>
5823         * arm.cc (Target_arm::scan::global): Use || instead of |.
5825 2009-06-02  Doug Kwan  <dougkwan@google.com>
5827         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
5828         issued_non_pic_error_.
5829         (class Target_arm::Scan): Declare new method check_non_pic.
5830         Define new method symbol_needs_plt_entry.
5831         Declare new data member issued_non_pic_error_.
5832         (class Target_arm::Relocate): Declare new method
5833         should_apply_static_reloc.
5834         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5835         (Target_arm::Scan::check_non_pic): Define new method.
5836         (Target_arm::Scan::local): Handle a small subset of reloc types used
5837         by Android.
5838         (Target_arm::Scan::local): Same.
5839         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5841 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
5843         * incremental.cc (Incremental_inputs::report_command_line): Filter
5844         out --incremental-* options.
5846 2009-05-29  Doug Kwan  <dougkwan@google.com>
5848         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5849         template class.
5850         (class Target_arm): Update comment.
5851         (Target_arm::Target_arm): Initialize new data members GOT_,
5852         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5853         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5854         and Target_arm::rel_dyn_section.
5855         Declare new_enum Target_arm::Got_type.
5856         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5857         and DYNBSS_.
5858         Update commments for member do_dynsym_value.
5859         (Target_arm::got_size, Target_arm::plt_section,
5860         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5861         new methods inside class defintion.
5862         (Target_arm::got_section): Define new method.
5863         (Target_arm::rel_dyn_section): Same.
5864         (Output_data_plt_arm): New template class.
5865         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5866         (Output_data_plt_arm:do_adjust_output_section): Define new method.
5867         (Output_data_plt_arm::add_entry): Same.
5868         (Output_data_plt_arm::first_plt_entry): Define new
5869         static data member for PLT instruction template.
5870         (Output_data_plt_arm::plt_entry): Same.
5871         (Output_data_plt_arm::do_write): Define new method.
5872         (Target_arm::make_plt_entry): Same.
5873         (Target_arm::do_finalize_sections): Same.
5874         (Target_arm::do_dynsym_value): Same.
5876 2009-05-28  Doug Kwan  <dougkwan@google.com>
5878         * Makefile.am (TARGETSOURCES): Add arm.cc.
5879         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
5880         * Makefile.in: Regenerate.
5881         * arm.cc: New file.
5882         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
5884 2009-05-26  Doug Kwan  <dougkwan@google.com>
5886         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
5887         (General_options::check_excluded_libs): Strip off directories in
5888         archive name before matching like GNU ld does.
5889         * testsuite/Makefile.am (MOSTLYCLEANFILES,
5890         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
5891         (exclude_libs_test_LDFLAGS): Add linker option
5892         -Wl,--exclude-libs,libexclude_libs_test_3
5893         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5894         an explicit archive without using -l.
5895         (alt/libexclude_libs_test_3.a): New make rule.
5896         * testsuite/Makefile.in: Regenerate.
5897         * testsuite/exclude_libs_test.c : Declare lib3_default().
5898         (main): Call it.
5899         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5900         * exclude_libs_test_3.c: New file.
5902 2009-05-26  Nick Clifton  <nickc@redhat.com>
5904         * po/id.po: New Indonesian translation.
5905         * po/gold.pot: Updated template file.
5907 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
5909         * testsuite/Makefile.am: Add -ffunction-sections to compile
5910         gc_comdat_test files.  Add -Wl,--gc-sections to build
5911         gc_comdat_test.
5912         * testsuite/Makefile.in: Regenerate.
5913         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5915 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
5917         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5918         kept comdat section was garbage collected.
5919         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
5920         * testsuite/Makefile.in: Regenerate.
5921         * testsuite/gc_comdat_test.sh: New file.
5922         * testsuite/gc_comdat_test_1.cc: New file.
5923         * testsuite/gc_comdat_test_2.cc: New file.
5925 2009-05-19  Doug Kwan  <dougkwan@google.com>
5927         * archive.cc (Archive::Archive): Move constructor from archive.h
5928         to here.  Initialize no_export_.
5929         (Archive::get_elf_object_for_member): Set no_export flag of object.
5930         * archive.h (Archive::Archive): Move constructor body to
5931         archive.cc.
5932         (Archive::no_export): New method.
5933         (Archive::no_export_): New field.
5934         * object.h (Object::Object): Initialize no_export_ to false.
5935         (Object::no_export, Object::set_no_export): New methods.
5936         (Object::no_export_): New field.
5937         * options.cc (General_options::parse_exclude_libs): New method.
5938         (General_options::check_excluded_libs) Same.
5939         * options.h (exclude_libs): New option.
5940         (General_options::check_excluded_libs): New method declaration.
5941         (General_options::excluded_libs_): New field.
5942         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
5943         default or protected visibility if an object has no-export flag set.
5944         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
5945         (check_SCRIPTS): Add exclude_libs_test.sh.
5946         (check_DATA): Add exclude_libs_test.syms.
5947         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
5948         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
5949         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
5950         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
5951         (exclude_libs_test.syms, libexclude_libs_test_1.a,
5952         libexclude_libs_test_2.a): New rules.
5953         * testsuite/Makefile.in: Regenerate.
5954         * testsuite/exclude_libs_test.c: New file.
5955         * testsuite/exclude_libs_test.sh: Ditto.
5956         * testsuite/exclude_libs_test_1.c: Ditto.
5957         * testsuite/exclude_libs_test_2.c: Ditto.
5959 2009-05-15  Ian Lance Taylor  <iant@google.com>
5961         * configure.ac: Check for declarations for cases where libiberty.h
5962         checks HAVE_DECL_xxx.
5963         * configure, config.in: Rebuild.
5965 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
5967         * gold.h (Incremental_argument_list): Remove (invalid) forward
5968         declaration.
5969         * incremental.cc (Incremental_inputs::report_achive): New method.
5970         (Incremental_inputs::report_object): New method.
5971         (Incremental_inputs::report_script): New method.
5972         (Incremental_inputs::finalize_inputs): New method.
5973         (Incremental_inputs::finalize): Call finalize_inputs().
5974         (Incremental_inputs::sized_create_incremental_inputs_section_data):
5975         Create inputs entries.
5976         * incremental.h (Incremental_input_type): New enum.
5977         (Incremental_inputs::Incremental_input): Initialize new fields.
5978         (Incremental_inputs::report_inputs): New method.
5979         (Incremental_inputs::report_achive): New method.
5980         (Incremental_inputs::report_object): New method.
5981         (Incremental_inputs::report_script): New method.
5982         (Incremental_inputs::finalize_inputs): New method.
5983         (Incremental_inputs::Input_info): New struct.
5984         (Incremental_inputs::Input_info_map): New typedef.
5985         (Incremental_inputs::lock_): New field.
5986         (Incremental_inputs::Inputs_): New field.
5987         (Incremental_inputs::Inputs_map): New field.
5988         * main.cc (main): Call Incremental_input::report_inputs.
5989         * options.h (Input_argument_list): Typedef moved from
5990         Input_arguments.
5991         (Input_file_group::Files): Remove, use ::Input_argument_list.
5992         (Input_file_group::Input_argument_list): Remove, use
5993         ::Input_argument_list.
5994         * plugin.cc (Plugin_manager::add_input_file): Add error in
5995         incremental build.
5996         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
5997         functions.
5998         * script.cc (read_input_script): Call
5999         Incremental_input::report_script.
6000         * script.h (Script_info): New class.
6002 2009-04-27  Ian Lance Taylor  <iant@google.com>
6004         * x86_64.cc (do_adjust_output_section): Set entsize to
6005         plt_entry_size.
6007 2009-04-23  Elliott Hughes  <enh@google.com>
6009         * output.cc (Output_file::close): After short writes, continue
6010         writing from the correct offset in the buffer being written.
6012 2009-04-23  Chris Demetriou  <cgd@google.com>
6014         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6015         * configure: Regenerate.
6016         * config.in: Regenerate.
6017         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6018         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6020 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6022         * incremental.cc (Incremental_inputs_header_data): Renamed from
6023         Incremental_input_header_data.
6024         (Incremental_inputs_header_data::data_size): New field.
6025         (Incremental_inputs_header_data::put_input_file_count): Renamed
6026         from input_file_count.
6027         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6028         from command_line_offset.
6029         (Incremental_inputs_header_data::put_reserved): Renamed from
6030         put_reserved.
6031         (Incremental_inputs_entry_data): Renamed from
6032         Incremental_input_entry_data.
6033         (Incremental_inputs_entry_data::data_size): New field.
6034         (Incremental_inputs::report_command_line): New method.
6035         (Incremental_inputs::finalize): New method.
6036         (Incremental_inputs::create_incremental_inputs_data): New method.
6037         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6038         * incremental.h: New file.
6039         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6040        (Layout::finalize): Create incremental inputs section in
6041         incremental builds.
6042        (Layout::create_incremental_info_sections): New method.
6043         * layout.h (Layout::incremental_inputs): New method.
6044        (Layout::create_incremental_info_sections): New method.
6045        (Layout::incremental_inputs_): New field.
6046         * main.cc (main): Notify Incremental_input of the command line.
6048 2009-04-01  Ian Lance Taylor  <iant@google.com>
6049             Mikolaj Zalewski  <mikolajz@google.com>
6051         * gold.h (reserve_unordered_map): Define, three versions, one for
6052         each version of Unordered_map.
6053         * layout.cc (Layout::Layout): Remove options parameter.  Add
6054         number_of_input_files parameter.  Don't initialize options_.
6055         Initialize number_of_input_files_ and resized_signatures_.  Move
6056         sections_are_attached_.
6057         (Layout::layout_group): Reserve space for group_signatures_.
6058         (Layout::find_or_add_kept_section): Change name parameter to be a
6059         reference.  Resize signatures_ map when it gets large enough.
6060         (Layout::layout_eh_frame): Use parameters->options() instead of
6061         this->options_.
6062         (Layout::make_output_section): Likewise.
6063         (Layout::attach_allocated_section_to_segment): Likewise.
6064         (Layout::finalize, Layout::create_executable_stack): Likewise.
6065         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6066         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6067         * layout.h (class Layout): Update declarations.  Remove options_
6068         field.  Add number_of_input_files_ and resized_signatures_
6069         fields.  Move sections_are_attached_ field.
6070         * main.cc (main): Pass number of input files to Layout
6071         constructor.  Don't pass options.
6073 2009-03-30  Ian Lance Taylor  <iant@google.com>
6075         * ffsll.c (ffsll): Correct implementation.
6077 2009-03-27  Ian Lance Taylor  <iant@google.com>
6079         * ffsll.c: New file.
6080         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6081         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6082         * ftruncate.c (ftruncate): Declare before definition.
6083         * mremap.c (mremap): Likewise.
6084         * pread.c (pread): Likewise.
6085         * configure, Makefile.in, config.in: Rebuild.
6087         * mremap.c: New file.
6088         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6089         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6090         (mremap): Declare if HAVE_MREMAP is not defined.
6091         * configure, Makefile.in, config.in: Rebuild.
6093 2009-03-27  Cary Coutant  <ccoutant@google.com>
6095         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6096         position independent.
6097         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6098         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6100 2009-03-24  Cary Coutant  <ccoutant@google.com>
6102         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6103         an executable.
6104         (needs_dynamic_reloc): Likewise.
6106 2009-03-24  Ian Lance Taylor  <iant@google.com>
6108         * yyscript.y (file_cmd): Recognize EXTERN.
6109         (extern_name_list, extern_name_list_body): New nonterminals.
6110         * script.cc (script_add_extern): Define.
6111         * script-c.h (script_add_extern): Declare.
6113 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6115         * object.cc (is_elf_object): Define.
6116         * object.h (is_elf_object): Declare.
6117         * archive.cc (Archive::get_elf_object_for_member): Call
6118         is_elf_object.
6119         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6121 2009-03-24  Elliott Hughes  <enh@google.com>
6123         * output.cc (Output_file::map_anonymous): Define.
6124         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6125         try an anonymous one.  Report the size if the mmap fails.
6126         * output.h (class Output_file): Declare map_anonymous.
6128 2009-03-24  Ian Lance Taylor  <iant@google.com>
6130         * target-select.cc (instantiate_target): Don't acquire the lock if
6131         the instantiated_target_ field has already been set.
6133 2009-03-23  Ian Lance Taylor  <iant@google.com>
6135         * gold-threads.h (class Initialize_lock): Define.
6136         * gold-threads.cc (class Initialize_lock_once): Define.
6137         (initialize_lock_control): New static variable.
6138         (initialize_lock_pointer): New static variable.
6139         (initialize_lock_once): New static function.
6140         (Initialize_lock::Initialize_lock): Define.
6141         (Initialize_lock::initialize): Define.
6142         * target-select.h: Include "gold-threads.h".
6143         (class Target_selector): Add lock_ and initialize_lock_ fields.
6144         Don't define instantiate_target, just declare it.
6145         * target-select.cc (Target_selector::Target_selector): Initialize
6146         new fields.
6147         (Target_selector::instantiate_target): Define.
6148         * descriptors.h: Include "gold-threads.h".
6149         (class Descriptors): Add initialize_lock_ field.
6150         * descriptors.cc (Descriptors::Descriptors): Initialize new
6151         field.
6152         (Descriptors::open): Use initialize_lock_ field
6153         * errors.h (class Errors): Add initialize_lock_ field.
6154         * errors.cc (Errors::Errors): Initialize new field.
6155         (Errors::initialize_lock): Use initialize_lock_ field.
6156         * powerpc.cc (class Target_selector_powerpc): Remove
6157         instantiated_target_ field.  In do_recognize call
6158         instantiate_target rather than do_instantiate_target.  In
6159         do_instantiate_target just allocate a new target.
6160         * sparc.cc (class Target_selector_sparc): Likewise.
6162         * freebsd.h: New file.
6163         * i386.cc: Include "freebsd.h".
6164         (Target_i386): Derive from Target_freebsd rather than
6165         Sized_target.
6166         (Target_selector_i386): Derive from Target_selector_freebsd rather
6167         than Target_selector.
6168         * x86_64.cc: Include "freebsd.h".
6169         (Target_x86_64): Derive from Target_freebsd rather than
6170         Sized_target.
6171         (Target_selector_x86_64): Derive from Target_selector_freebsd
6172         rather than Target_selector.
6173         * target.h (class Target): Add adjust_elf_header and
6174         do_adjust_elf_header.
6175         * output.cc (Output_file_header:: do_sized_write): Call target
6176         adjust_elf_header routine.
6177         * configure.tgt: Set targ_osabi.
6178         * configure.ac: Define GOLD_DEFAULT_OSABI.
6179         * parameters.cc (Parameters::default_target): Pass
6180         GOLD_DEFAULT_OSABI to select_target.
6181         * target-select.h (class Target_selector): Make instantiate_target
6182         protected rather than private.
6183         * Makefile.am (HFILES): Add freebsd.h.
6184         * configure, Makefile.in, config.in: Rebuild.
6186         * merge.cc (do_add_input_section): Correct pend value.  Change
6187         message about last entry not being null terminated from error to
6188         warning.
6190 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6192         * incremental.cc: New file.
6193         * Makefile.am (CCFILES): Add incremental.cc.
6194         * Makefile.in: Rebuild.
6196 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6198         * layout.cc (Layout::output_section_name): Preserve names
6199         of '.note.' sections.
6201 2009-03-19  Ian Lance Taylor  <iant@google.com>
6203         * descriptors.cc (Descriptors::open): Check that the options are
6204         valid before using them.
6206 2009-03-18  Ian Lance Taylor  <iant@google.com>
6208         * script-sections.h: Include <list>.
6209         (class Script_sections): Change Sections_elements from std::vector
6210         to std::list.  Typedef public Elements_iterator.  Add
6211         orphan_section_placement_, data_segment_align_start_, and
6212         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6213         field.
6214         * script-sections.cc (class Orphan_section_placement): New class.
6215         (class Sections_element): Add virtual functions is_relro and
6216         orphan_section_init.  Remove virtual function place_orphan_here.
6217         (class Output_section_definition): Add is_relro and
6218         orphan_section_init.  Remove place_orphan_here.
6219         (class Orphan_output_section): Likewise.
6220         (Script_sections::Script_sections): Update for field changes.
6221         (Script_sections::data_segment_align): Set saw_data_segment_align_
6222         and data_segment_align_start_, not data_segment_align_index.
6223         (Script_sections::data_segment_relro_end): Check
6224         saw_data_segment_align_.  Use data_segment_align_start_ rather
6225         than data_segment_align_index_.
6226         (Script_sections::place_orphan): Rewrite to use
6227         Orphan_section_placement.
6229 2009-03-17  Ian Lance Taylor  <iant@google.com>
6231         * archive.cc (Archive::add_symbols): Check for a version attached
6232         to the symbol name in the archive map.
6233         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6234         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6235         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6236         (ver_test_11.a): New target.
6237         * testsuite/Makefile.in: Rebuild.
6239         * configure.ac: Check for chsize and posix_fallocate.  Replace
6240         ftruncate.
6241         * ftruncate.c: New file, from gnulib.
6242         * output.cc (posix_fallocate): Define dummy version if not
6243         HAVE_POSIX_FALLOCATE.
6244         (Output_file::map): Call posix_fallocate rather than lseek and
6245         write.
6246         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6247         * configure, Makefile.in, config.in: Rebuild.
6249 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6251         * layout.h (Layout::create_note): Add section_name parameter.
6252         * layout.cc (Layout::create_note): Likewise.
6253         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6255 2009-03-17  Ian Lance Taylor  <iant@google.com>
6257         * descriptors.cc: Include "options.h".
6258         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6259         (Descriptors::open): Always use O_CLOEXEC when opening a new
6260         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6261         then set FD_CLOEXEC.
6263         * sparc.cc (class Target_sparc): Add has_got_section.
6264         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6265         make sure we have a GOT section.
6267         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6268         (Target_sparc::Scan::local): Likewise.
6269         (Target_sparc::Scan::global): Likewise.
6270         (Target_sparc::Relocate::relocate): Likewise.
6271         (Target_sparc::Relocate::relocate_tls): Likewise.
6273         * symtab.cc (Symbol_table::define_default_version): New function,
6274         broken out of add_from_object.
6275         (Symbol_table::add_from_object): Call define_default_version.
6276         (Symbol_table::define_special_symbol): Add resolve_oldsym
6277         parameter.  Change all callers.  If the version for a symbol comes
6278         from a version script, resolve it with the symbol with the same
6279         name with no version.  Also add the symbol without a version if
6280         appropriate.
6281         (do_define_in_output_data): If resolving with oldsym, don't delete
6282         sym.
6283         (do_define_in_output_segment): Likewise.
6284         (do_define_as_constant): Likewise.
6285         * symtab.h (class Symbol_table): Update declarations.
6287 2009-03-13  Ian Lance Taylor  <iant@google.com>
6289         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6290         (Read_symbols::requeue): New function.
6291         (Read_symbols::do_read_symbols): If make_elf_object fails because
6292         the target type is not configured, and the file was searched for,
6293         issue a warning and retry with the next directory.
6294         (Add_symbols::run): If the file has an incompatible format, and
6295         it was searched for, requeue the Read_symbols task.  On error,
6296         release the object.
6297         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6298         dirindex parameter to constructor.  Change all callers.  Declare
6299         incompatible_warning and requeue.
6300         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6301         input_argument_ and input_group_ fields.  Add them to
6302         constructor.  Change all callers.
6303         (class Read_script): Add dirindex_ field.  Add it to constructor.
6304         Change all callers.
6305         * archive.cc (Archive::setup): Remove input_objects parameter.
6306         Change all callers.
6307         (Archive::get_file_and_offset): Likewise.
6308         (Archive::read_all_symbols): Likewise.
6309         (Archive::read_symbols): Likewise.
6310         (Archive::get_elf_object_for_member): Remove input_objects
6311         parameter.  Add punconfigured parameter.  Change all callers.
6312         (Archive::add_symbols): Change return type to bool.  Check return
6313         value of include_member.
6314         (Archive::include_all_members): Likewise.
6315         (Archive::include_member): Change return type to bool.  Return
6316         false if first included object has incompatible target.  Set
6317         included_member_ field.
6318         (Add_archive_symbols::run): If add_symbols returns false, requeue
6319         Read_symbols task.
6320         * archive.h (class Archive): Add included_member_ field.
6321         Initialize it in constructor.  Add input_file and searched_for
6322         methods.  Update declarations.
6323         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6324         input_argument_ fields.  Add them to constructor.  Change all
6325         callers.
6326         * script.cc: Include "target-select.h".
6327         (class Parser_closure): Add skip_on_incompatible_target_ and
6328         found_incompatible_target_ fields.  Add
6329         skip_on_incompatible_target parameter to constructor.  Change all
6330         callers.  Add methods skip_on_incompatible_target,
6331         clear_skip_on_incompatible_target, found_incompatible_target, and
6332         set_found_incompatible_target.
6333         (read_input_script): Add dirindex parameter.  Change all callers.
6334         If parser finds an incompatible target, requeue Read_symbols
6335         task.
6336         (script_set_symbol): Clear skip_on_incompatible_target in
6337         closure.
6338         (script_add_assertion, script_parse_option): Likewise.
6339         (script_start_sections, script_add_phdr): Likewise.
6340         (script_check_output_format): New function.
6341         * script.h (read_input_script): Update declaration.
6342         * script-c.h (script_check_output_format): Declare.
6343         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6344         (ignore_cmd): Remove OUTPUT_FORMAT.
6345         * fileread.cc (Input_file::Input_file): Add explicit this.
6346         (Input_file::will_search_for): New function.
6347         (Input_file::open): Add pindex parameter.  Change all callers.
6348         * fileread.h (class Input_file): Add input_file_argument method.
6349         Declare will_search_for.  Update declarations.
6350         * object.cc (make_elf_object): Add punconfigured parameter.
6351         Change all callers.
6352         * object.h (class Object): Make input_file public.  Add
6353         searched_for method.
6354         (make_elf_object): Update declaration.
6355         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6356         restart search.
6357         * dirsearch.h (class Dirsearch): Update declaration.
6358         * options.h (class General_options): Add --warn-search-mismatch.
6359         * parameters.cc (Parameters::is_compatible_target): New function.
6360         * parameters.h (class Parameters): Declare is_compatible_target.
6361         * workqueue.cc (Workqueue::add_blocker): New function.
6362         * workqueue.h (class Workqueue): Declare add_blocker.
6364         * fileread.cc (Input_file::open): Remove options parameter.
6365         Change all callers.
6366         (Input_file::open_binary): Likewise.
6367         * script.cc (read_input_script): Likewise.
6368         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6369         options parameter from constructor.  Change all callers.
6370         (class Read_script): Likewise.
6371         * fileread.h (class Input_file): Update declarations.
6372         * script.h (read_input_script): Update declaration.
6374 2009-03-10  Nick Clifton  <nickc@redhat.com>
6376         * po/es.po: New Spanish translation.
6378 2009-03-06  Cary Coutant  <ccoutant@google.com>
6380         * options.cc (parse_short_option): Keep dash_z from registering itself.
6382 2009-03-03  Ian Lance Taylor  <iant@google.com>
6384         PR 9918
6385         * target-reloc.h (relocate_section): Pass output_section to
6386         relocate.
6387         * i386.cc (Target_i386::should_apply_static_reloc): Add
6388         output_section parameter.  Change all callers.
6389         (Target_i386::Relocate::relocate): Add output_section parameter.
6390         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6391         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6392         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6393         * testsuite/two_file_shared.sh: New script.
6394         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6395         (check_DATA): Add two_file_shared.dbg.
6396         (two_file_shared.dbg): New target.
6397         * testsuite/Makefile.in: Rebuild.
6399 2009-03-01  Ian Lance Taylor  <iant@google.com>
6401         * configure.ac: Check for byteswap.h.
6402         * configure: Rebuild.
6403         * config.in: Rebuild.
6405 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6407         * layout.cc (Layout::find_or_add_kept_section): New function.
6408         (Layout::add_comdat): Removed.
6409         * layout.h (struct Kept_section): Move out of class Layout.
6410         Remove trailing underscores from field names.  Add group_sections
6411         field.  Rename group_ field to is_group.  Change all uses.
6412         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6413         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6414         comdat_groups_ field.
6415         (Sized_relobj::include_section_group): Use
6416         find_or_add_kept_section and Kept_section::group_sections.
6417         (Sized_relobj::include_linkonce_section): Likewise.
6418         * object.cc (class Sized_relobj): Don't define Comdat_group or
6419         Comdat_group_table.  Remove find_comdat_group and
6420         add_comdat_group.  Remove comdat_groups_ field.
6421         * plugin.cc (include_comdat_group): Use
6422         Layout::find_or_add_kept_section.
6424 2009-02-28  Ian Lance Taylor  <iant@google.com>
6426         * README: --gc-sections and map files are now supported.  Document
6427         some build requirements.
6429         PR 6992
6430         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6431         relocatable link set the value of the section symbol to zero.
6432         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6433         relocatable link don't include the section address in the local
6434         symbol value.
6436 2009-02-27  Ian Lance Taylor  <iant@google.com>
6438         PR 6811
6439         * options.h (class Search_directory): Add is_system_directory.
6440         (class General_options): Declare is_in_system_directory.
6441         * options.cc (get_relative_sysroot): Make static.
6442         (get_default_sysroot): Make static.
6443         (General_optoins::is_in_system_directory): New function.
6444         * fileread.cc (Input_file::is_in_system_directory): New function.
6445         * fileread.h (class Input_file): Declare is_in_system_directory.
6446         * object.h (class Object): Add is_in_system_directory.
6447         (class Input_objects): Remove system_library_directory_ field.
6448         * object.cc (Input_objects::add_object): Don't set
6449         system_library_directory_.
6450         (input_objects::found_in_system_library_directory): Remove.
6451         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6452         parameter.  Change all callers.
6453         (Symbol_table::sized_write_globals): Likewise.
6454         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6455         Call Object::is_in_system_directory.
6456         * symtab.h (class Symbol_table): Update declarations.
6458         PR 5990
6459         * descriptors.h (Open_descriptor): Add is_on_stack field.
6460         * descriptors.cc (Descriptors::open): If the descriptor is on the
6461         top of the stack, remove it.  Initialize is_on_stack field.
6462         (Descriptors::release): Only add pod to stack if it is not on the
6463         stack already.
6464         (Descriptors::close_some_descriptor): Clear stack_next and
6465         is_on_stack fields.
6467         PR 7091
6468         * output.cc (Output_section::find_starting_output_address): Rename
6469         from starting_output_address; add PADDR parameter; change return
6470         type.
6471         * output.h (class Output_section): Declare
6472         find_starting_output_address instead of starting_output_address.
6473         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6474         section symbol for which we can't find a merge section.
6476         PR 9836
6477         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6478         hidden or internal, force the symbol to be local.
6479         * resolve.cc (Symbol::override_visibility): Define.
6480         (Symbol::override_base): Use override_visibility.
6481         (Symbol_table::resolve): Likewise.
6482         (Symbol::override_base_with_special): Likewise.
6483         (Symbol_table::override_with_special): If the visibility is hidden
6484         or internal, force the symbol to be local.
6485         * symtab.h (class Symbol): Add set_visibility and
6486         override_visibility.
6487         * testsuite/ver_test_1.sh: New file.
6488         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6489         (check_DATA): Add ver_test_1.syms.
6490         (ver_test_1.syms): New target.
6491         * testsuite/Makefile.in: Rebuild.
6493 2009-02-25  Cary Coutant  <ccoutant@google.com>
6495         * layout.cc (Layout::choose_output_section): Don't rename sections
6496         when using a linker script that has a SECTIONS clause.
6497         * Makefile.in: Regenerate.
6499         * testsuite/Makefile.am (script_test_5.sh): New test case.
6500         * testsuite/Makefile.in: Regenerate.
6501         * testsuite/script_test_5.cc: New file.
6502         * testsuite/script_test_5.sh: New file.
6503         * testsuite/script_test_5.t: New file.
6505 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6507         * archive.cc (Archive::include_member): Update calls to add_symbols.
6508         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6509         the Layout argument.
6510         * dynobj.h (do_add_symbols): Add the Layout argument.
6511         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6512         Layout argument.
6513         * object.h (Object::add_symbols): Add the Layout argument.
6514         (Object::do_add_symbols): Add the Layout argument.
6515         (Sized_relobj::do_add_symbols): Add the Layout argument.
6516         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6517         Unify the two versions.
6518         (Add_plugin_symbols): Remove.
6519         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6520         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6521         (Add_plugin_symbols): Remove.
6522         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6523         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6524         (Add_symbols::run): Make it work with Pulginobj.
6526 2009-02-06  Ian Lance Taylor  <iant@google.com>
6528         * object.cc (Sized_relobj::do_layout): Make info message start
6529         with lower case letter.
6531 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6533         * binary.cc: Fix file comment.
6535         * options.h (enum Incremental_disposition): Define.
6536         (class General_options): Add new options: --incremental,
6537         --incremental_changed, --incremental_unchanged,
6538         --incremental_unknown.  Add incremental_disposition_ and
6539         implicit_incremental_ fields.
6540         (General_options::incremental_disposition): New function.
6541         (class Position_dependent_options): Add incremental_disposition
6542         option.
6543         (Position_dependent_options::copy_from_options): Set incremental
6544         dispositions.
6545         * options.cc (General_options::parse_incremental_changed): New
6546         function.
6547         (General_options::parse_incremental_unchanged): New function.
6548         (General_options::parse_incremental_unknown): New function.
6549         (General_options::General_options): Initialize new fields
6550         incremental_disposition_ and implicit_incremental_.
6551         (General_options::finalize): Check for uasge of --incremental-*
6552         without --incremental.
6554 2009-02-06  Chris Demetriou  <cgd@google.com>
6556         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6557         pointer and to report location as the file name associated with
6558         the symbol.
6559         (gold_undefined_symbol_at_location): New function to replace the
6560         old gold_undefined_symbol functionality.
6561         * target-reloc.h (relocate_section): Update to use
6562         gold_undefined_symbol_at_location.
6563         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6564         Call gold_undefined_symbol function rather than gold_error.
6565         * errors.h (Errors::undefined_symbol): Take location as a
6566         string, rather than calculating it from a relocation.
6567         * errors.cc (Errors::fatal): Print "fatal error:" before the
6568         formatted message.
6569         (Errors::error, Errors::error_at_location): Print "error: "
6570         before the formatted message.
6571         (Errors::undefined_symbol): Take location as a string, rather
6572         than calculating it from a relocation.
6573         (gold_undefined_symbol_at_location): New function akin to
6574         old gold_undefined_symbol, calculates location from relocation.
6575         (gold_undefined_symbol): Change to take only a Symbol pointer
6576         and to report location as the file name associated with the symbol.
6577         * testsuite/debug_msg.sh: Update for changed error messages.
6578         * testsuite/undef_symbol.sh: Likewise.
6580 2009-02-04  Duncan Sands  <baldrick@free.fr>
6582         PR 9812
6583         * reduced_debug_output.h
6584         (Output_reduced_debug_abbrev_section::failed): Use format for
6585         gold_warning.
6586         (Output_reduced_debug_info_section::faild): Likewise.
6588 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6590         * script.cc (Lazy_demangler): New class.
6591         (Version_script_info::get_symbol_version_helper): Demangle a
6592         symbol only once.
6594 2009-01-29  Cary Coutant  <ccoutant@google.com>
6596         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6597         to __tls_get_addr.
6598         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6600 2009-01-28  Ian Lance Taylor  <iant@google.com>
6602         * version.cc (version_string): Bump to 1.9.
6604         * gold.h: Include <cstring> and <stdint.h>.
6605         * version.cc: Include <cstdio>.
6606         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6607         warning.
6608         * reduced_debug_output.cc (insert_into_vector): Rename from
6609         Insert_into_vector; change all callers.  Use Swap_unaligned to
6610         avoid aliasing issue; remove union since it is unnecessary.
6612 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6614         * Makefile.am (CCFILES): Add gc.cc.
6615         (HFILES): Add gc.h.
6616         * Makefile.in: Regenerate.
6617         * gold.cc (Gc_runner): New class.
6618         (queue_initial_tasks): Call garbage collection related tasks
6619         when corresponding options are invoked.
6620         (queue_middle_gc_tasks): New function.
6621         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6622         processed early before laying out sections during garbage collection.
6623         * gold.h (queue_middle_gc_tasks): New function.
6624         (is_prefix_of): Move from "layout.cc".
6625         * i386.cc (Target_i386::gc_process_relocs): New function.
6626         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6627         * main.cc (main): Create object of class "Garbage_collection".
6628         * object.cc (Relobj::copy_symbols_data): New function.
6629         (Relobj::is_section_name_included): New function.
6630         (Sized_relobj::do_layout): Allow this function to be called twice
6631         during garbage collection and defer layout of section during the
6632         first call.
6633         * object.h (Relobj::get_symbols_data): New function.
6634         (Relobj::is_section_name_included): New function.
6635         (Relobj::copy_symbols_data): New function.
6636         (Relobj::set_symbols_data): New function.
6637         (Relobj::get_relocs_data): New function.
6638         (Relobj::set_relocs_data): New function.
6639         (Relobj::is_output_section_offset_invalid): New pure virtual function.
6640         (Relobj::gc_process_relocs): New function.
6641         (Relobj::do_gc_process_relocs): New pure virtual function.
6642         (Relobj::sd_): New data member.
6643         (Sized_relobj::is_output_section_offset_invalid): New function.
6644         (Sized_relobj::do_gc_process_relocs): New function.
6645         * options.h (General_options::gc_sections): Modify to not be a no-op.
6646         (General_options::print_gc_sections): New option.
6647         * plugin.cc (Plugin_finish::run): Remove function call to
6648         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
6649         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6650         * reloc.cc (Read_relocs::run): Add task to process relocs and
6651         determine unreferenced sections when doing garbage collection.
6652         (Gc_process_relocs): New class.
6653         (Sized_relobj::do_gc_process_relocs): New function.
6654         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6655         sections that are garbage collected.
6656         * reloc.h (Gc_process_relocs): New class.
6657         * sparc.cc (Target_sparc::gc_process_relocs): New function.
6658         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6659         symbols whose corresponding sections are garbage collected.
6660         (Symbol_table::Symbol_table): Add new parameter for the garbage
6661         collection object.
6662         (Symbol_table::gc_mark_undef_symbols): New function.
6663         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6664         (Symbol_table::gc_mark_dyn_syms): New function.
6665         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6666         as garbage.
6667         (Symbol_table::add_from_object): Likewise.
6668         (Symbol_table::add_from_relobj): When building shared objects, do not
6669         treat externally visible symbols as garbage.
6670         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6671         table information for static and relocatable links.
6672         * symtab.h (Symbol_table::set_gc): New function.
6673         (Symbol_table::gc): New function.
6674         (Symbol_table::gc_mark_undef_symbols): New function.
6675         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6676         (Symbol_table::gc_mark_dyn_syms): New function.
6677         (Symbol_table::gc_): New data member.
6678         * target.h (Sized_target::gc_process_relocs): New pure virtual
6679         function.
6680         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6681         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6683 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
6685         * options.h (General_options::gc_sections): Define as a no-op for now.
6686         (General_options::no_keep_memory): Ditto.
6687         (General_options::Bshareable): Define.
6688         * options.cc (General_options::finalize): Honor -Bshareable.
6690 2009-01-20  Andreas Schwab  <schwab@suse.de>
6692         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6693         read the value in the contents, since we don't use it.  Use the
6694         template endianness when writing.
6695         (Relocate::relocate): Use it for R_PPC_REL16_HA.
6697 2009-01-19  Andreas Schwab  <schwab@suse.de>
6699         * configure.tgt (powerpc64-*): Fix targ_obj.
6701 2009-01-15  Ian Lance Taylor  <iant@google.com>
6703         * object.cc (Sized_relobj::write_local_symbols): Don't write out
6704         local symbols when stripping all symbols.
6706 2009-01-14  Cary Coutant  <ccoutant@google.com>
6708         * output.cc (Output_reloc): Add explicit instantiations.
6710 2009-01-14  Cary Coutant  <ccoutant@google.com>
6712         * archive.cc (Archive::get_elf_object_for_member): Remove call
6713         to File_read::claim_for_plugin.
6714         * descriptors.cc (Descriptors::open): Remove reference to
6715         is_claimed.
6716         (Descriptors::claim_for_plugin): Remove.
6717         * descriptors.h (Descriptors::claim_for_plugin): Remove.
6718         (Descriptors::is_claimed): Remove.
6719         (claim_descriptor_for_plugin): Remove.
6720         * fileread.cc (File_read::claim_for_plugin): Remove.
6721         * fileread.h (File_read::claim_for_plugin): Remove.
6722         (File_read::descriptor): Reopen descriptor if necessary.
6723         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
6724         (Plugin_manager::all_symbols_read): Add task parameter. Change
6725         all callers.
6726         (Plugin_manager::get_input_file): New function.
6727         (Plugin_manager::release_input_file): New function.
6728         (Pluginobj::Pluginobj): Add filesize parameter and initialize
6729         corresponding data member.
6730         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6731         and pass to base constructor. Change all callers.
6732         (get_input_file, release_input_file): New functions.
6733         (make_sized_plugin_object): Add filesize parameter. Change all callers.
6734         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6735         (Plugin_manager::all_symbols_read): Add task parameter.
6736         (Plugin_manager::get_input_file): New function.
6737         (Plugin_manager::release_input_file): New function.
6738         (Plugin_manager::task_): New data member.
6739         (Pluginobj::Pluginobj): Add filesize parameter.
6740         (Pluginobj::filename): New function.
6741         (Pluginobj::descriptor): New function.
6742         (Pluginobj::filesize): New function.
6743         (Pluginobj::filesize_): New data member.
6744         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6745         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6746         File_read::claim_for_plugin; use Object::unlock to unlock the file.
6748         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6749         with archive libraries.
6750         * testsuite/Makefile.in: Regenerate.
6751         * testsuite/plugin_test.c (struct sym_info): New type.
6752         (get_input_file, release_input_file): New static variables.
6753         (onload): Capture new transfer vector entries.
6754         (claim_file_hook): Stop reading at end of file according to filesize.
6755         Factor out parsing of readelf output into separate function.
6756         (all_symbols_read_hook): Exercise get_input_file and release_input_file
6757         APIs and get the source file name from the symbol table.  Convert
6758         source file name to corresponding object file name.  Print info
6759         message when adding new input files.
6760         (parse_readelf_line): New function.
6761         * testsuite/plugin_test_1.sh: Add checks for new info messages.
6762         * testsuite/plugin_test_2.sh: Likewise.
6763         * testsuite/plugin_test_3.sh: Likewise.
6764         * testsuite/plugin_test_4.sh: New test case.
6766 2009-01-07  Ian Lance Taylor  <iant@google.com>
6768         * version.cc (version_string): Bump to 1.8.
6770 2008-12-23  Cary Coutant  <ccoutant@google.com>
6772         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6773         * plugin.cc (Plugin_manager::finish): Rename as
6774         layout_deferred_objects.  Move cleanup to separate function.
6775         (Plugin_manager::cleanup): New function.
6776         (Plugin_finish::run): Call layout_deferred_objects and cleanup
6777         separately.
6778         * plugin.h (Plugin_manager::finish): Rename as
6779         layout_deferred_objects.
6780         (Plugin_manager::cleanup): New function.
6781         (Plugin_manager::cleanup_done): New field.
6783 2008-12-23  Cary Coutant  <ccoutant@google.com>
6785         * plugin.cc (is_visible_from_outside): New function.
6786         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6787         so we don't return "IR only" status for exported symbols or -r links.
6789         * testsuite/Makefile.am (plugin_test_3): New test case.
6790         * testsuite/Makefile.in: Regenerate.
6791         * testsuite/plugin_test_3.sh: New file.
6793 2008-12-22  Cary Coutant  <ccoutant@google.com>
6795         * object.cc (Sized_relobj::layout_section): New function.
6796         (Sized_relobj::do_layout): Defer layout of input sections until after
6797         plugin has provided replacement files.
6798         (Sized_relobj::do_layout_deferred_sections): New function.
6799         * object.h (Relobj::set_section_offset): Remove virtual keyword.
6800         (Relobj::layout_deferred_sections): New function.
6801         (Relobj::do_layout_deferred_sections): New function.
6802         (Sized_relobj::do_layout_deferred_sections): New function.
6803         (Sized_relobj::layout_section): New function.
6804         (Sized_relobj::Deferred_layout): New structure.
6805         (Sized_relobj::deferred_layout_): New field.
6806         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6807         Change all callers.  Layout deferred sections.
6808         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
6809         references.
6810         (Plugin_hook::run): Move code from do_plugin_hook inline.
6811         (Plugin_hook::do_plugin_hook): Remove.
6812         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6813         (Plugin_manager::finish): Renamed, was cleanup.
6814         (Plugin_manager::should_defer_layout): New function.
6815         (Plugin_manager::add_deferred_layout_object): New function.
6816         (Plugin_manager::Deferred_layout_list): New type.
6817         (Plugin_manager::deferred_layout_objects_): New field.
6818         (Plugin_hook::do_plugin_hook): Remove.
6820 2008-12-17  Ian Lance Taylor  <iant@google.com>
6822         * options.h (class General_options): Add --no case for
6823         --export-dynamic.
6825 2008-12-16  Cary Coutant  <ccoutant@google.com>
6827         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6828         vector.
6829         (Plugin_manager::claim_file): Create plugin object even if
6830         plugin did not call the add_symbols callback.
6831         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6832         asking for more symbols than were added.
6833         * testsuite/Makefile.am (plugin_test_1): Add test case with
6834         no global symbols.
6835         (empty.syms): New target.
6836         * testsuite/Makefile.in: Regenerate.
6837         * testsuite/plugin_test.c (claim_file_hook): Add new debug
6838         message. Don't call add_symbols if no globals.
6839         (all_symbols_read_hook): Don't provide replacement for empty
6840         claimed file.
6842 2008-12-12  Ian Lance Taylor  <iant@google.com>
6844         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6845         r_type == 0 for a local symbol with r_sym == 0.
6846         (scan_relocatable_relocs): Pass r_sym to
6847         local_non_section_strategy.
6848         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6849         r_sym parameter.
6851         * configure.ac: Update test for TLS descriptors: they are
6852         supported as of glibc 2.9.
6853         * configure: Rebuild.
6855 2008-12-11  Ian Lance Taylor  <iant@google.com>
6857         PR 7091
6858         * target-reloc.h (Default_scan_relocatable_relocs): For each
6859         function, map r_type == 0 to RELOC_DISCARD.
6861 2008-12-10  Cary Coutant  <ccoutant@google.com>
6863         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6864         object to override a kept COMDAT group from a plugin object.
6866 2008-12-09  Ian Lance Taylor  <iant@google.com>
6868         PR 7088
6869         * yyscript.y (file_cmd): Handle INPUT.
6871         * testsuite/initpri1.c: Change all declarations to be full
6872         prototypes by adding void, to avoid compiler warnings.
6874 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
6876         * options.cc (General_options::parse_plugin_opt): New.
6877         (General_options::add_plugin): The argument now is just the filename.
6878         (General_options::add_plugin_option): New.
6879         * options.h (plugin_opt): New.
6880         (add_plugin): Change argument name.
6881         (add_plugin_option): New.
6882         * plugin.cc (Plugin::load): Don't parse the plugin option.
6883         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
6884         (Plugin::add_option): New.
6885         (Plugin::args_): Change type.
6886         (Plugin::filename_): New.
6887         (Plugin_manager::add_plugin_option): New.
6888         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
6889         * testsuite/Makefile.in: Regenerate.
6891 2008-12-05  Cary Coutant  <ccoutant@google.com>
6893         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6894         Handle --strip-lto-sections option.
6895         * options.h (strip_lto_sections): New option.
6897 2008-12-01  Cary Coutant  <ccoutant@google.com>
6899         * plugin.cc (ld_plugin_message): Change format parameter to const.
6900         Fix mismatch between new[] and delete.
6902 2008-11-14  Cary Coutant  <ccoutant@google.com>
6904         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6905         instead of -1U.
6907 2008-11-05  Craig Silverstein  <csilvers@google.com>
6909         * options.cc (General_options::parse_dynamic_list): New function.
6910         * options.h (General_options): New flags dynamic_list,
6911         dynamic_list_data, dynamic_list_cpp_new, and
6912         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
6913         (General_options::in_dynamic_list): New function.
6914         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6915         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6916         (Lex::can_continue_name): Likewise.
6917         (yylex): Likewise.
6918         (read_script_file): New parameter script_options.
6919         (read_dynamic_list): New function.
6920         (Script_options::define_dynamic_list): New function.
6921         (dynamic_list_keyword_parsecodes): New variable.
6922         (dynamic_list_keywords): New variable.
6923         * script.h (Script_options::define_dynamic_list): New function
6924         prototype.
6925         (read_dynamic_list): New function prototype.
6926         * symtab.cc (strprefix): New macro.
6927         (Symbol::should_add_dynsym_entry): Support dynamic_list,
6928         dynamic_list_data, dynamic_list_cpp_new, and
6929         dynamic_list_cpp_typeinfo.
6930         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
6931         (dynamic_list_expr): New rule.
6932         (dynamic_list_nodes): Likewise.
6933         (dynamic_list_node): Likewise.
6934         * testsuite/Makefile.am (dynamic_list): New test.
6935         * testsuite/Makefile.in: Regenerated.
6936         * testsuite/dynamic_list.t: New file.
6937         * testsuite/dynamic_list.sh: New file.
6939 2008-11-05  Craig Silverstein  <csilvers@google.com>
6941         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
6942         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
6943         (t11_last): Likewise.
6944         * testsuite/ver_test_6.c (main): Likewise.
6946 2008-10-07  Cary Coutant  <ccoutant@google.com>
6948         * options.c (General_options::finalize): Add check for -static and
6949         -shared.
6950         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
6951         is not empty.
6953 2008-10-02  Cary Coutant  <ccoutant@google.com>
6955         * plugin.cc (make_sized_plugin_object): Fix conditional
6956         compilation to work when not all targets are enabled.
6958 2008-09-29  Cary Coutant  <ccoutant@google.com>
6960         * archive.cc (Archive::get_file_and_offset): Use filename instead
6961         of name to get library path.
6962         (Archive::include_member): Unlock external member of a thin archive.
6964         * testsuite/Makefile.am (TEST_AR): New variable.
6965         (thin_archive_test_1): New test.
6966         (thin_archive_test_2): New test.
6967         * testsuite/Makefile.in: Regenerate.
6968         * testsuite/thin_archive_main.cc: New file.
6969         * testsuite/thin_archive_test_1.cc: New file.
6970         * testsuite/thin_archive_test_2.cc: New file.
6971         * testsuite/thin_archive_test_3.cc: New file.
6972         * testsuite/thin_archive_test_4.cc: New file.
6974 2008-09-29  Cary Coutant  <ccoutant@google.com>
6976         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
6977         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
6978         instead of -1U.
6979         (Sized_relobj::do_finalize_local_symbols): Likewise.
6980         (Sized_relobj::map_to_kept_section): Likewise.
6981         * object.h (Sized_relobj::invalid_address): New constant.
6982         (Sized_relobj::do_output_section_offset): Check for invalid_address
6983         and return -1ULL.
6984         * output.cc (Output_reloc::local_section_offset): Use constant
6985         invalid_address instead of -1U.
6986         (Output_reloc::get_address): Likewise.
6987         (Output_section::output_address): Change -1U to -1ULL.
6988         * output.h (Output_reloc::invalid_address): New constant.
6989         * reloc.cc (Sized_relobj::write_sections): Use constant
6990         invalid_address instead of -1U.
6991         (Sized_relobj::relocate_sections): Likewise.
6992         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
6993         values for merge sections.
6994         * target-reloc.h (relocate_for_relocatable): Use constant
6995         invalid_address instead of -1U.
6997 2008-09-19  Cary Coutant  <ccoutant@google.com>
6999         Add plugin functionality for link-time optimization (LTO).
7000         * configure.ac (plugins): Add --enable-plugins option.
7001         * configure: Regenerate.
7002         * config.in: Regenerate.
7003         * Makefile.am (LIBDL): New variable.
7004         (CCFILES): Add plugin.cc.
7005         (HFILES): Add plugin.h.
7006         (ldadd_var): Add LIBDL.
7007         * Makefile.in: Regenerate.
7009         * archive.cc: Include "plugin.h".
7010         (Archive::setup): Don't preread archive symbols when using a plugin.
7011         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7012         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7013         files.
7014         (Archive::include_member): Add symbols from plugin objects.
7015         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7016         * descriptors.cc (Descriptors::open): Check for file descriptors
7017         abandoned by plugins.
7018         (Descriptors::claim_for_plugin): New function.
7019         * descriptors.h (Descriptors::claim_for_plugin): New function.
7020         (Open_descriptor::is_claimed): New field.
7021         (claim_descriptor_for_plugin): New function.
7022         * fileread.cc (File_read::claim_for_plugin): New function.
7023         * fileread.h (File_read::claim_for_plugin): New function.
7024         (File_read::descriptor): New function.
7025         * gold.cc: Include "plugin.h".
7026         (queue_initial_tasks): Add task to call plugin hooks for generating
7027         new object files.
7028         * main.cc: Include "plugin.h".
7029         (main): Load plugin libraries.
7030         * object.h (Pluginobj): Declare.
7031         (Object::pluginobj): New function.
7032         (Object::do_pluginobj): New function.
7033         (Object::set_target): New function.
7034         * options.cc: Include "plugin.h".
7035         (General_options::parse_plugin): New function.
7036         (General_options::General_options): Initialize plugins_ field.
7037         (General_options::add_plugin): New function.
7038         * options.h (Plugin_manager): Declare.
7039         (General_options): Add --plugin option.
7040         (General_options::has_plugins): New function.
7041         (General_options::plugins): New function.
7042         (General_options::add_plugin): New function.
7043         (General_options::plugins_): New field.
7044         * plugin.cc: New file.
7045         * plugin.h: New file.
7046         * readsyms.cc: Include "plugin.h".
7047         (Read_symbols::do_read_symbols): Check for archive before checking
7048         for ELF file.  Call plugin hooks to claim files.
7049         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7050         from a real object file; force override when processing replacement
7051         files.
7052         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7053         (Symbol::init_base_object): Likewise.
7054         (Symbol::init_base_output_data): Likewise.
7055         (Symbol::init_base_output_segment): Likewise.
7056         (Symbol::init_base_constant): Likewise.
7057         (Symbol::init_base_undefined): Likewise.
7058         (Symbol::output_section): Assert that object is not a plugin.
7059         (Symbol_table::add_from_pluginobj): New function.
7060         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7061         undefined.
7062         (Symbol_table::sized_write_globals): Likewise.
7063         (Symbol_table::add_from_pluginobj): Instantiate template.
7064         * symtab.h (Sized_pluginobj): Declare.
7065         (Symbol::in_real_elf): New function.
7066         (Symbol::set_in_real_elf): New function.
7067         (Symbol::in_real_elf_): New field.
7068         (Symbol_table::add_from_pluginobj): New function.
7070         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7071         (LIBDL): New variable.
7072         (LDADD): Add LIBDL.
7073         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7074         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7075         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7076         (MOSTLYCLEANFILES): Likewise.
7077         * testsuite/Makefile.in: Regenerate.
7078         * testsuite/plugin_test.c: New file.
7079         * testsuite/plugin_test_1.sh: New file.
7080         * testsuite/plugin_test_2.sh: New file.
7082 2008-09-16  Ian Lance Taylor  <iant@google.com>
7084         * target-reloc.h (relocate_section): Check whether a symbol is
7085         defined by the ABI before reporting an undefined symbol error.
7086         * target.h (Target::is_defined_by_abi): Make parameter const.
7087         (Target::do_is_defined_by_abi): Likewise.
7088         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7089         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7090         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7091         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7092         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7093         * testsuite/Makefile.in: Rebuild.
7095         * fileread.cc (make_view): Add casts to avoid warning.
7097 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7099         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7100         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7102 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7104         * options.h (General_options::output_is_executable): New.
7105         (General_options::output_is_pie): New.
7106         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7107         for shared libraries.
7108         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7110 2008-09-11  Chris Demetriou  <cgd@google.com>
7112         * options.h (origin): New -z option.
7113         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7114         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7115         in DT_FLAGS_1.
7117 2008-09-05  Cary Coutant  <ccoutant@google.com>
7119         * fileread.cc (File_read::make_view): Add check for attempt to map
7120         beyond end of file.
7122 2008-09-05  Cary Coutant  <ccoutant@google.com>
7124         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7125         explicit instantiations.
7127 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7129         PR gold/6858
7130         * options.cc (General_options::finalize): Allow undefined symbols
7131         in shlibs if linking -shared.
7133         PR gold/6859
7134         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7135         symbols as not needing a dynsym entry.
7137 2008-08-20  Craig Silverstein  <csilvers@google.com>
7139         * fileread.cc (File_read::open): Do not lock the file unless it
7140         was successfully opened.
7142 2008-08-14  Cary Coutant  <ccoutant@google.com>
7144         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7145         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7146         * testsuite/tls_test.cc (struct int128): 128-bit struct
7147         for testing TLS relocs with non-zero addend.
7148         (v12): New TLS variable.
7149         (t12): New test.
7150         (t_last): Add check for v12.
7151         * testsuite/tls_test.h (t12): New function.
7152         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7154 2008-08-13  Ian Lance Taylor  <iant@google.com>
7156         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7157         set tls_segment_ or relro_segment_.
7158         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7159         when appropriate.
7160         * output.h (Output_section::clear_is_relro): New function.
7161         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7162         sections specially even when output_data_ is empty.
7163         (Output_segment::maximum_alignment): When first section is relro,
7164         only force alignment for PT_LOAD segments.
7165         * script.cc (script_data_segment_align): New function.
7166         (script_data_segment_relro_end): New function.
7167         * script-c.h (script_data_segment_align): Declare.
7168         (script_data_segment_relro_end): Declare.
7169         * script-sections.h (class Script_sections): Declare
7170         data_segment_align and data_segment_relro_end.  Add fields
7171         segment_align_index_ and saw_relro_end_.
7172         * script-sections.cc (class Sections_element): Add set_is_relro
7173         virtual function.  Add new bool* parameter to place_orphan_here.
7174         Add get_output_section virtual function.
7175         (class Output_section_definition): Add set_is_relro.  Add new
7176         bool* parameter to place_orphan_here.  Add get_output_section.
7177         Add is_relro_ field.
7178         (Output_section_definition::Output_section_definition): Initialize
7179         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7180         and is_relro_ fields.
7181         (Output_section_definition::place_orphan_here): Add is_relro
7182         parameter.
7183         (Output_section_definition::set_section_addresses): Set relro for
7184         output section.
7185         (Output_section_definition::alternate_constraint): Likewise.
7186         (class Orphan_output_section): Add new bool* parameter to
7187         place_orphan_here.  Add get_output_section.
7188         (Orphan_output_section::place_orphan_here): Add is_relro
7189         parameter.
7190         (Script_sections::Script_sections): Initialize
7191         data_segment_align_index_ and saw_relro_end_.
7192         (Script_sections::data_segment_align): New function.
7193         (Script_sections::data_segment_relro_end): New function.
7194         (Script_sections::place_orphan): Set or clear is_relro.
7195         (Script_sections::set_section_addresses): Force alignment of first
7196         TLS section.
7197         * yyscript.y (exp): Call script_data_segment_align and
7198         script_data_segment_relro_end.
7199         * testsuite/relro_script_test.t: New file.
7200         * testsuite/relro_test.cc (using_script): Declare.
7201         (t1, t2): Test using_script.
7202         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7203         (relro_script_test_SOURCES): Define.
7204         (relro_script_test_DEPENDENCIES): Define.
7205         (relro_script_test_LDFLAGS): Define.
7206         (relro_script_test_LDADD): Define.
7207         (relro_script_test.so): New target.
7208         * testsuite/Makefile.in: Rebuild.
7210 2008-08-06  Cary Coutant <ccoutant@google.com>
7212         * archive.cc (Archive::total_archives, Archive::total_members)
7213         (Archive::total_members_loaded): New variables.
7214         (Archive::setup): Add parameter.  Add option to preread
7215         archive symbols.
7216         (Archive::read_armap): Add counter.
7217         (Archive::get_file_and_offset): New function.
7218         (Archive::get_elf_object_for_member): New function.
7219         (Archive::read_all_symbols): New function.
7220         (Archive::read_symbols): New function.
7221         (Archive::add_symbols): Add counters.
7222         (Archive::include_all_members): Use armap to find members if it's
7223         already built.
7224         (Archive::include_member): Skip reading symbols if already read.
7225         Factored code into Archive::get_file_and_offset and
7226         Archive::get_elf_object_for_member.  Changed call to
7227         Mapfile::report_include_archive_member.
7228         (Archive::print_stats): New function.
7229         * archive.h: Declare Object and Read_symbols_data classes.
7230         (Archive::Archive): Add initializers for new members.
7231         (Archive::setup): Add parameter.
7232         (Archive::print_stats): New function.
7233         (Archive::total_archives, Archive::total_members)
7234         (Archive::total_members_loaded): New variables.
7235         (Archive::get_file_and_offset): New function.
7236         (Archive::get_elf_object_for_member): New function.
7237         (Archive::read_all_symbols): New function.
7238         (Archive::read_symbols): New function.
7239         (Archive::Archive_member): New class.
7240         (Archive::members_): New member.
7241         (Archive::num_members_): New member.
7242         * main.cc: Include archive.h.
7243         (main): Call Archive::print_stats.
7244         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7245         archive parameter; member_name is now the fully-decorated name.
7246         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7247         * options.h: (General_options): Add --preread-archive-symbols option.
7248         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7249         Archive::setup.
7251 2008-08-04  Ian Lance Taylor  <iant@google.com>
7253         * symtab.h (Symbol::use_plt_offset): New function.
7254         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7255         * powerpc.cc (Relocate::relocate): Likewise.
7256         * sparc.cc (Relocate::relocate): Likewise.
7257         * x86_64.cc (Relocate::relocate): Likewise.
7258         * testsuite/weak_plt.sh: New test.
7259         * testsuite/weak_plt_main.cc: New test.
7260         * testsuite/weak_plt_shared.cc: New test.
7261         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7262         (check_PROGRAMS): Add weak_plt.
7263         (check_DATA): Add weak_plt_shared.so.
7264         (weak_plt_main_pic.o, weak_plt): New targets.
7265         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7266         * testsuite/Makefile.in: Rebuild.
7268         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7269         gcctestdir/ld.
7270         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7271         * testsuite/Makefile.in: Rebuild.
7273 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7275         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7276         * Makefile.in: Regenerate.
7277         * po/POTFILES.in: Regenerate.
7279 2008-07-29  Ian Lance Taylor  <iant@google.com>
7281         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7282         symbols before other symbols.
7283         * testsuite/script_test_2.cc (test_addr): Declare.
7284         (test_addr_alias): Declare.
7285         (main): Check that test_addr and test_addr_alias have the right
7286         values.
7287         * testsuite/script_test_2.t: Define test_addr_alias and
7288         test_addr.
7290 2008-07-24  Ian Lance Taylor  <iant@google.com>
7292         PR 5990
7293         * descriptors.cc: New file.
7294         * descriptors.h: New file.
7295         * gold-threads.h (class Hold_optional_lock): New class.
7296         * fileread.cc: Include "descriptors.h".
7297         (File_read::~File_read): Release descriptor rather than closing
7298         it.
7299         (File_read::open) [file]: Call open_descriptor rather than open.
7300         Set is_descriptor_opened_.
7301         (File_read::open) [memory]: Assert that descriptor is not open.
7302         (File_read::reopen_descriptor): New function.
7303         (File_read::release): Release descriptor.
7304         (File_read::do_read): Make non-const.  Reopen descriptor.
7305         (File_read::read): Make non-const.
7306         (File_read::make_view): Reopen descriptor.
7307         (File_read::do_readv): Likewise.
7308         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7309         Update declarations.
7310         * layout.cc: Include "descriptors.h".
7311         (Layout::create_build_id): Use open_descriptor rather than open.
7312         * output.cc: Include "descriptors.h".
7313         (Output_file::open): Use open_descriptor rather than open.
7314         * archive.cc (Archive::const_iterator): Change Archive to be
7315         non-const.
7316         (Archive::begin, Archive::end): Make non-const.
7317         (Archive::count_members): Likewise.
7318         * archive.h (class Archive): Update declarations.
7319         * object.h (Object::read): Make non-const.
7320         * Makefile.am (CCFILES): Add descriptors.cc.
7321         (HFILES): Add descriptors.h.
7322         * Makefile.in: Rebuild.
7324         PR 6716
7325         * gold.h: Always include <clocale>.  Add Solaris workarounds
7326         following code in binutils/sysdep.h.
7328         PR 6048
7329         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7330         this->eh_frame_hdr_ is NULL before using it.
7332         * dynobj.cc (Versions::Versions): Update comment.
7334         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7335         the base version name.
7337         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7338         array size plus one.
7339         (Stringpool_template::set_string_offsets): Subtract one from key
7340         before using it as an array index.
7341         (Stringpool_template::get_offset_with_length): Likewise.
7342         (Stringpool_template::write_to_buffer): Likewise.
7343         * stringpool.h (Stringpool_template::get_offset_from_key):
7344         Likewise.
7346 2008-07-23  Ian Lance Taylor  <iant@google.com>
7348         PR 6658
7349         * object.h (Merged_symbol_value::value): Do our best to handle a
7350         negative addend.
7352         PR 6647
7353         * script.cc (Version_script_info::get_versions): Don't add empty
7354         version tag to return value.
7355         (Version_script_info::get_symbol_version_helper): Change return
7356         type to bool.  Add pversion parameter.  Change all callers.
7357         (script_register_vers_node): Don't require a non-NULL tag.
7358         * script.h (class Version_script_info): Update declarations.
7359         (Version_script_info::get_symbol_version): Change return type to
7360         bool.  Add version parameter.  Change all callers.
7361         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7362         handling.  Handle an empty version from a version script.
7363         (Symbol_table::define_special_symbol): Likewise.
7364         * testsuite/ver_test_10.script: New file.
7365         * testsuite/ver_test_10.sh: New file.
7366         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7367         (check_DATA): Add ver_test_10.syms.
7368         (ver_test_10.syms, ver_test_10.so): New target.
7369         * testsuite/Makefile.in: Rebuild.
7371 2008-07-23  Simon Baldwin  <simonb@google.com>
7373         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7374         to zero for undefined symbols from dynamic libraries.
7376 2008-07-23  Ian Lance Taylor  <iant@google.com>
7378         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7379         Change all callers.
7380         * symtab.h (class Symbol_table): Update declaration.
7381         * testsuite/ver_test_9.cc: New file.
7382         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7383         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7384         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7385         (ver_test_9.so, ver_test_9.o): New targets.
7386         * testsuite/Makefile.in: Rebuild.
7388 2008-07-22  Ian Lance Taylor  <iant@google.com>
7390         * options.h (class General_options): Define --check-sections.
7391         * layout.cc (Layout::set_segment_offsets): Handle
7392         --check-sections.
7394         * options.h (class General_options): Define -n/--nmagic and
7395         -N/--omagic.
7396         * options.cc (General_options::finalize): For -n/--nmagic or
7397         -N/--omagic, set -static.
7398         * layout.cc (Layout::attach_allocated_section_to_segment): If
7399         -N/--omagic, don't put read-only and read-write sections in
7400         different segments.
7401         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7402         finding a read-only segment.
7403         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7404         don't set the minimum segment alignment to the common page size,
7405         and don't set the file offset to the address modulo the page size.
7406         * script-sections.cc (Script_sections::create_segments): If
7407         -n/--omagic, don't put read-only and read-write sections in
7408         different segments.
7410         * cref.cc: New file.
7411         * cref.h: New file.
7412         * options.h (class General_options): Add --print-symbol-counts.
7413         * main.cc (main): Issue defined symbol report if requested.
7414         * archive.cc (Archive::interpret_header): Make into a const member
7415         function.
7416         (Archive::add_symbols): Call Input_objects::archive_start and
7417         archive_stop.
7418         (Archive::const_iterator): Define new class.
7419         (Archive::begin, Archive::end): New functions.
7420         (Archive::include_all_members): Rewrite to use iterator.
7421         (Archive::count_members): New function.
7422         * archive.h (class Archive): Update declarations.
7423         (Archive::filename): New function.
7424         * object.cc: Include "cref.h".
7425         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7426         (Sized_relobj::do_get_global_symbol_counts): New function.
7427         (Input_objects::add_object): Add object to cross-referencer.
7428         (Input_objects::archive_start): New function.
7429         (Input_objects::archive_stop): New function.
7430         (Input_objects::print_symbol_counts): New function.
7431         * object.h: Declare Cref and Archive.
7432         (Object::get_global_symbol_counts): New function.
7433         (Object::do_get_global_symbol_counts): New pure virtual function.
7434         (class Sized_relobj): Add defined_count_ field.  Update
7435         declarations.
7436         (class Input_objects): Add cref_ field.  Update constructor.
7437         Update declarations.
7438         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7439         defined_count_.
7440         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7441         symbol counts.
7442         (Sized_dynobj::do_get_global_symbol_counts): New function.
7443         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7444         defined_count_.  Update declarations.  Define Symbols typedef.
7445         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7446         parameter.  Change all callers.
7447         (Symbol_table::add_from_dynobj): Add sympointers and defined
7448         parameters.  Change all callers.
7449         * symtab.h (class Symbol_table): Update declarations.
7450         * Makefile.am (CCFILES): Add cref.cc.
7451         (HFILES): Add cref.h.
7452         * Makefile.in: Rebuild.
7454 2008-07-22  Simon Baldwin  <simonb@google.com>
7456         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7457         to zero when writing undefined symbols.
7459 2008-07-22  Ian Lance Taylor  <iant@google.com>
7461         * output.cc (Output_section::add_input_section): Don't try to
7462         merge empty merge sections.
7464 2008-07-21  Craig Silverstein  <csilvers@google.com>
7466         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7467         Include symbol version in error message.
7469 2008-07-20  Chris Demetriou  <cgd@google.com>
7471         * configure.ac (gold_cv_c_random_seed): New configured variable.
7472         (RANDOM_SEED_CFLAGS): New substituted variable.
7473         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7474         * configure: Rebuild.
7475         * Makefile.in: Likewise.
7476         * testsuite/Makefile.in: Likewise.
7478 2008-07-18  Ian Lance Taylor  <iant@google.com>
7480         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7481         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7482         * testsuite/ver_test_main.cc (main): Call t4.
7483         (t4, t4_2a): Define.
7484         * testsuite/ver_test_2.cc (t4_2): Define.
7485         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7486         * testsuite/ver_test_4.cc (t4_2a): Define.
7487         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7488         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7490 2008-07-17  Ian Lance Taylor  <iant@google.com>
7492         * dynobj.cc (Versions::add_def): If we give an error about a
7493         missing version, go ahead and create the version anyhow.
7495 2008-07-10  Ian Lance Taylor  <iant@google.com>
7497         Handle output sections with more than 0x7fffffff bytes.
7498         * object.h (class Relobj): Change map_to_output_ to
7499         output_sections_, and just keep a section pointer.  Change all
7500         uses.  Move comdat group support to Sized_relobj.
7501         (Relobj::is_section_specially_mapped): Remove.
7502         (Relobj::output_section): Remove poff parameter.  Change all
7503         callers.
7504         (Relobj::output_section_offset): New function.
7505         (Relobj::set_section_offset): Rewrite.
7506         (Relobj::map_to_output): Remove.
7507         (Relobj::output_sections): New function.
7508         (Relobj::do_output_section_offset): New pure virtual function.
7509         (Relobj::do_set_section_offset): Likewise.
7510         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7511         group support from Relobj.  Update declarations.
7512         (Sized_relobj::get_output_section_offset): New function.
7513         (Sized_relobj::do_output_section_offset): New function.
7514         (Sized_relobj::do_set_section_offset): New function.
7515         * object.cc (Relobj::output_section_address): Remove.
7516         (Sized_relobj::Sized_relobj): Initialize new fields.
7517         (Sized_relobj::include_section_group): Cast find_kept_object to
7518         Sized_relobj.
7519         (Sized_relobj::include_linkonce_section): Likewise.
7520         (Sized_relobj::do_layout): Use separate arrays for output section
7521         and output offset.
7522         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7523         output_sections.
7524         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7525         output_sections and section_offsets.
7526         (Sized_relobj::write_local_symbols): Likewise.
7527         (map_to_kept_section): Compute output address directly.
7528         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7529         output_sections and section_offsets.
7530         (Sized_relobj::write_sections): Likewise.
7531         (Sized_relobj::relocate_sections): Likewise.
7532         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7533         * output.h (class Output_reloc): Update declarations.  Change
7534         u2_.relobj to Sized_relobj*.
7535         (class Output_data_reloc): Change add functions to use
7536         Sized_relobj*.
7537         * output.cc (Output_reloc::Output_reloc): Change relobj to
7538         Sized_relobj*.
7539         (Output_reloc::local_section_offset): Change return type to
7540         Elf_Addr.  Use get_output_section_offset.
7541         (Output_reloc::get_address): Likewise.
7542         (Output_section::is_input_address_mapped): Don't call
7543         is_section_specially_mapped.
7544         (Output_section::output_offset): Likewise.
7545         (Output_section::output_address): Likewise.
7546         (Output_section::starting_output_address): Likewise.
7547         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7548         parameter to Sized_relobj*.
7549         (Copy_relocs::need_copy_reloc): Likewise.
7550         (Copy_relocs::save): Likewise.
7551         * copy-relocs.h (class Copy_relocs): Update declarations.
7552         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7553         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7554         * target-reloc.h (relocate_for_relocatable): Change
7555         offset_in_output_section type to Elf_Addr.  Change code that uses
7556         it as well.
7557         * layout.cc (Layout::layout): Always set *off.
7558         * mapfile.cc (Mapfile::print_input_section): Use
7559         output_section_offset.
7560         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7561         Sized_relobj*.
7562         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7563         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7564         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7566 2008-07-03  Ian Lance Taylor  <iant@google.com>
7568         * layout.cc (Layout::include_section): Do not discard unrecognized
7569         SHT_STRTAB sections.
7571 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7573         * script.cc (Lex::can_continue_name): Make '?' allowable in
7574         version-script names.
7575         * testsuite/version_script.map: Change glob pattern to use '?'
7577 2008-06-30  Manish Singh  <yosh@gimp.org>
7579         PR 6585
7580         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7581         Correct typo.
7583 2008-06-30  Ian Lance Taylor  <iant@google.com>
7585         PR 6660
7586         PR 6682
7587         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7588         versions]: Don't try to read the value in the contents, since we
7589         don't use it.  Use the template endianness when writing.
7591 2008-06-25  Cary Coutant  <ccoutant@google.com>
7593         * fileread.cc (File_read::make_view): Assert on zero-length view.
7594         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7595         symbol table when there are no symbols to read.
7597 2008-06-23  Craig Silverstein  <csilvers@google.com>
7599         * version.cc (version_string): Bump to 1.7
7601 2008-06-18  Craig Silverstein  <csilvers@google.com>
7603         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7604         constant 0xFFFF to type Valtype.
7605         (Powerpc_relocate_functions::rel16_ha): Likewise.
7607 2008-06-17  Ian Lance Taylor  <iant@google.com>
7609         * output.h (Output_section::Input_section): Initialize p2align_ to
7610         zero for Output_section_data constructors.
7611         (Output_section::Input_section::addralign): If not an input
7612         section, return the alignment of the Output_section_data.
7613         * testsuite/copy_test.cc: New file.
7614         * testsuite/copy_test_1.cc: New file.
7615         * testsuite/copy_test_2.cc: New file.
7616         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7617         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7618         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7619         (copy_test_1_pic.o, copy_test_1.so): New targets.
7620         (copy_test_2_pic.o, copy_test_2.so): New targets.
7621         * testsuite/Makefile.in: Rebuild.
7623         * script-sections.cc (Script_sections::place_orphan): Initialize
7624         local variable exact.
7626 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
7628         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7630 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
7631             David S. Miller  <davem@davemloft.net>
7633         * powerpc.cc: New file.
7634         * Makefile.am (TARGETSOURCES): Add powerpc.cc
7635         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7636         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7637         * Makefile.in: Rebuild.
7639 2008-06-09  Ian Lance Taylor  <iant@google.com>
7641         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7642         <exception>.
7643         (throwing, orig_terminate): New static variables.
7644         (terminate_handler): New static function.
7645         (t2): Set terminate handler.
7647 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
7649         PR 6584
7650         * binary.cc (Binary_to_elf::sized_convert): Fix .data
7651         alignment.
7653 2008-05-30  Cary Coutant  <ccoutant@google.com>
7655         * archive.cc (Archive::include_all_members) Correct to step
7656         over symbol table and extended name table in thin archives.
7658 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7660         PR 6407
7661         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7662         calculation.
7664 2008-05-28  Caleb Howe  <cshowe@google.com>
7666         * reduced_debug_output.cc: New file.
7667         * reduced_debug_output.h: New file.
7668         * options.h (class General_options): Add --strip-debug-non-line.
7669         * options.cc (General_options::finalize): Add strip_debug_non_line
7670         to the strip heirarchy.
7671         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7672         fields.
7673         * layout.cc: Include "reduced_debug_output.h".
7674         (Layout::Layout): Initialize new fields.
7675         (line_only_debug_sections): New static array.
7676         (is_lines_only_debug_sections): New static inline function.
7677         (Layout::include_section): Handle --strip-debug-non-line.
7678         (Layout::make_output_section): If --strip-debug-non-line, build
7679         new output sections for .debug_abbrev and .debug_info.
7680         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7681         gold.  Warn about possible overflow.
7682         (read_signed_LEB_128): Likewise.
7683         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7684         (read_signed_LEB_128): Declare.
7685         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7686         (HFILES): Add reduced_debug_output.h.
7687         * Makefile.in: Rebuild.
7689 2008-05-21  Ian Lance Taylor  <iant@google.com>
7691         * mapfile.cc: New file.
7692         * mapfile.h: New file.
7693         * options.h (class General_options): Add -M/--print-map and -Map.
7694         * options.cc (General_options::finalize): Make -M equivalent to
7695         -Map -.
7696         * main.cc: Include <cstdio> and "mapfile.h".
7697         (main): Open mapfile if requested.
7698         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
7699         constructor.  Change caller.
7700         (queue_initial_tasks): Add mapfile parameter.  Change caller.
7701         (queue_middle_tasks): Likewise.
7702         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7703         declarations.
7704         * archive.cc: Include "mapfile.h".
7705         (Archive::add_symbols): Add mapfile parameter.  Change all
7706         callers.  Pass mapfile, symbol, and reason to include_member.
7707         (Archive::include_all_members): Add mapfile parameter.  Change all
7708         callers.
7709         (Archive::include_member): Add mapfile, sym, and why parameters.
7710         Change all callers.  Report inclusion to map file.
7711         * archive.h: Include "fileread.h".
7712         (class Archive): Update declarations.
7713         (Archive::file): New const method.
7714         (class Add_archive_symbols): Add mapfile_ field.  Update
7715         constructor.  Change all callers.
7716         * readsyms.h (class Read_symbols): Likewise.
7717         (class Finish_group): Likewise.
7718         (class Read_script): Likewise.
7719         * common.cc: Include "mapfile.h".
7720         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
7721         all callers.
7722         (Symbol_table::do_allocate_commons): Likewise.
7723         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
7724         symbol allocation to mapfile.
7725         * common.h (class Allocate_commons_task): Add mapfile_ field.
7726         Update constructor.  Change all callers.
7727         * symtab.h (class Symbol_table): Update declarations.
7728         * layout.cc: Include "mapfile.h".
7729         (Layout_task_runner::run): Print information to mapfile.
7730         (Layout::create_gold_note): Change Output_data_fixed_space to
7731         Output_data_zero_fill.
7732         (Layout::create_build_id): Likewise.
7733         (Layout::print_to_mapfile): New function.
7734         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
7735         constructor.  Change caller.
7736         (class Layout): Declare print_to_mapfile.
7737         * output.cc (Output_section::Input_section::print_to_mapfile): New
7738         function.
7739         (Output_section::add_input_section): If producing a map, always
7740         add to input_sections_ list.
7741         (Output_section::do_print_to_mapfile): New function.
7742         (Output_segment::print_sections_to_mapfile): New function.
7743         (Output_segment::print_section_list_to_mapfile): New function.
7744         * output.h: Include "mapfile.h".
7745         (Output_data::print_to_mapfile): New function.
7746         (Output_data::do_print_to_mapfile): New virtual function.
7747         (Output_segment_headers::do_print_to_mapfile): New function.
7748         (Output_file_header::do_print_to_mapfile): New function.
7749         (Output_data_const::do_print_to_mapfile): New function.
7750         (class Output_data_const_buffer): Add map_name_ field.  Update
7751         constructor.  Change all callers.  Add do_print_to_mapfile
7752         function.
7753         (class Output_data_fixed_space): Likewise.
7754         (class Output_data_space): Likewise.
7755         (class Output_data_zero_fill): New class.
7756         (Output_data_strtab::do_print_to_mapfile): New function.
7757         (Output_data_reloc_base::do_print_to_mapfile): New function.
7758         (Output_relocatable_relocs::do_print_to_mapfile): New function.
7759         (Output_data_group::do_print_to_mapfile): New function.
7760         (Output_data_got::do_print_to_mapfile): New function.
7761         (Output_data_dynamic::do_print_to_mapfile): New function.
7762         (Output_symtab_xindex::do_print_to_mapfile): New function.
7763         (class Output_section): Declare do_print_to_mapflie.  Declare
7764         print_to_mapfile in Input_section.
7765         (class Output_segment): Declare new functions.
7766         * object.h (Sized_relobj::symbol_count): New function.
7767         * script-sections.cc
7768         (Output_section_element_dot_assignment::set_section_addresses):
7769         Change Output_data_fixed_space to Output_data_zero_fill.
7770         (Output_data_expression::do_print_to_mapfile): New function.
7771         * script.cc (read_input_script): Add mapfile parameter.  Change
7772         all callers.
7773         * script.h (read_input_script): Update declaration.
7774         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7775         (Eh_frame::do_print_to_mapfile): New function.
7776         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7777         (Output_merge_string::do_print_to_mapfile): New function.
7778         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7779         function.
7780         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7781         function.
7782         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7783         function.
7784         * Makefile.am (CCFILES): Add mapfile.cc.
7785         (HFILES): Add mapfile.h.
7786         * Makefile.in: Rebuild.
7788 2008-05-19  Ian Lance Taylor  <iant@google.com>
7790         * options.h (class General_options): Add -z relro.
7791         * layout.cc (Layout::Layout): Initialize relro_segment_.
7792         (Layout::add_output_section_data): Return the output section.
7793         (Layout::make_output_section): Rcognize relro sections and mark
7794         them appropriately.
7795         (Layout::attach_allocated_section_to_segment): Put relro sections
7796         in a PT_GNU_RELRO segment.
7797         (Layout::create_initial_dynamic_sections): Mark the .dynamic
7798         section as relro.
7799         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7800         PT_TLS segments.
7801         (Layout::linkonce_mapping): Map d.rel.ro.local to
7802         .data.rel.ro.local.
7803         (Layout::output_section_name): Us .data.rel.ro.local for any
7804         section which begins with that.
7805         * layout.h (class Layout): Update add_output_section_data
7806         declaration.  Add relro_segment_ field.
7807         * output.cc (Output_section::Output_section): Initialize is_relro_
7808         and is_relro_local_ fields.
7809         (Output_segment::add_output_section): Group relro sections.
7810         (Output_segment::is_first_section_relro): New function.
7811         (Output_segment::maximum_alignment): If there is a relro section,
7812         align the segment to the common page size.
7813         (Output_segment::set_section_addresses): Track whether we are
7814         looking at relro sections.  If the last section is a relro
7815         section, align to the common page size.
7816         (Output_segment::set_section_list_addresses): Add in_relro
7817         parameter.  Change all callers.  Align to the page size when
7818         moving from relro to non-relro section.
7819         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7820         segment.
7821         * output.h (class Output_section): Add is_relro_ and
7822         is_relro_local_ fields.
7823         (Output_section::is_relro): New function.
7824         (Output_section::set_is_relro): New function.
7825         (Output_section::is_relro_local): New function.
7826         (Output_section::set_is_relro_local): New function.
7827         (class Output_segment): Update declarations.
7828         * i386.cc (Target_i386::got_section): Mark .got section as relro.
7829         * sparc.cc (Target_sparc::got_section): Likewise.
7830         * x86_64.cc (Target_x86_64::got_section): Likewise.
7831         * testsuite/relro_test_main.cc: New file.
7832         * testsuite/relro_test.cc: New file.
7833         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7834         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7835         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7836         (relro_test.so, relro_test_pic.o): New targets.
7837         * testsuite/Makefile.in: Rebuild.
7839 2008-05-16  Ian Lance Taylor  <iant@google.com>
7841         * output.cc (Output_segment::add_output_section): Remove front
7842         parameter.
7843         * output.h (class Output_segment): Remove
7844         add_initial_output_section and overloaded add_output_section.
7845         Update declaration of remaining add_output_section.
7846         * layout.cc (Layout::create_interp): Call add_output_section
7847         rather than add_initial_output_section.
7848         (Layout::finish_dynamic_section): Likewise.
7850         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7851         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
7852         know the dynamic type.
7853         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7854         field.  Initialize it in constructor.
7855         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7856         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7857         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7858         reloc.
7860         * output.cc (Output_reloc::get_address): Change return type to
7861         Elf_Addr.
7862         * output.h (class Output_reloc): Update get_address declaration.
7863         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7864         for section addresses.
7866 2008-05-09  Ian Lance Taylor  <iant@google.com>
7868         PR 6493
7869         * gold.cc (gold_nomem): Use return value of write.
7871 2008-05-08  Ian Lance Taylor  <iant@google.com>
7873         * symtab.c (Symbol::init_base_output_data): Add version
7874         parameter.  Change all callers.
7875         (Symbol::init_base_output_segment): Likewise.
7876         (Symbol::init_base_constant): Likewise.
7877         (Symbol::init_base_undefined): Likewise.
7878         (Sized_symbol::init_output_data): Likewise.
7879         (Sized_symbol::init_output_segment): Likewise.
7880         (Sized_symbol::init_constant): Likewise.
7881         (Sized_symbol::init_undefined): Likewise.
7882         (Symbol_table::do_define_in_output_data): If the new symbol has a
7883         version, mark it as the default.
7884         (Symbol_table::do_define_in_output_segment): Likewise.
7885         (Symbol_table::do_define_as_constant): Likewise.
7886         * symtab.h (class Symbol): Update declarations.
7887         (class Sized_symbol): Likewise.
7888         * resolve.cc (Symbol::override_version): New function.
7889         (Symbol::override_base): Call override_version.
7890         (Symbol::override_base_with_special): Likewise.
7891         * testsuite/ver_script_8.script: New file.
7892         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7893         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7894         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7895         (ver_test_8_1.so, ver_test_8_2.so): New targets.
7897 2008-05-06  Ian Lance Taylor  <iant@google.com>
7899         PR 6049
7900         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7901         functions.
7902         (class General_options): Remove existing --undefined, and add
7903         --no-undefined instead.  Add new --undefined as synonym for -u.
7904         * archive.cc (Archive::add_symbols): Check whether symbol was
7905         named with -u.
7906         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7907         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7908         all uses.  Add IS_UNDEFINED.  Update declarations to split
7909         different versions of init_base.  Declare init_base_undefined.
7910         (Symbol::is_defined): Handle IS_UNDEFINED.
7911         (Symbol::is_undefined): Likewise.
7912         (Symbol::is_weak_undefined): Call is_undefined.
7913         (Symbol::is_absolute): Handle IS_CONSTANT.
7914         (class Sized_symbol): Update declarations to split different
7915         versions of init.  Declare init_undefined.
7916         (class Symbol_table): Declare new functions.
7917         * symtab.cc (Symbol::init_base_object): Rename from init_base.
7918         Change all callers.
7919         (Symbol::init_base_output_data): Likewise.
7920         (Symbol::init_base_output_segment): Likewise.
7921         (Symbol::init_base_constant): Likewise.
7922         (Symbol::init_base_undefined): New function.
7923         (Sized_symbol::init_object): Rename from init.  Change all
7924         callers.
7925         (Sized_symbol::init_output_data): Likewise.
7926         (Sized_symbol::init_output_segment): Likewise.
7927         (Sized_symbol::init_constant): Likewise.
7928         (Sized_symbol::init_undefined): New function.
7929         (Symbol_table::add_undefined_symbols_from_command_line): New
7930         function.
7931         (Symbol_table::do_add_undefined_symbols_from_command_line): New
7932         function.
7933         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
7934         (Symbol::output_section): Likewise.
7935         (Symbol::set_output_section): Likewise.
7936         (Symbol_table::sized_finalize_symbol): Likewise.
7937         (Symbol_table::sized_write_globals): Likewise.
7938         * resolve.cc (Symbol_table::should_override): Likewise.
7939         (Symbol::override_base_with_special): Likewise.
7941         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
7942         symbol, change it to have default visibility.
7943         * testsuite/protected_1.cc: New file.
7944         * testsuite/protected_2.cc: New file.
7945         * testsuite/protected_3.cc: New file.
7946         * testsuite/protected_main_1.cc: New file.
7947         * testsuite/protected_main_2.cc: New file.
7948         * testsuite/protected_main_3.cc: New file.
7949         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
7950         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
7951         (protected_1_LDFLAGS, protected_1_LDADD): Define.
7952         (protected_1.so): New target.
7953         (protected_1_pic.o, protected_2_pic.o): New targets.
7954         (protected_3_pic.o): New target.
7955         (check_PROGRAMS): Add protected_2.
7956         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
7957         (protected_2_LDFLAGS, protected_2_LDADD): Define.
7958         * testsuite/Makefile.in: Rebuild.
7960         * options.h (DEFINE_var): Add set_user_set_##varname__.
7961         (DEFINE_bool_alias): New macro.
7962         (class General_options): Define -Bstatic using DEFINE_bool_alias
7963         rather than DEFINE_special.  Add --undefined as an alias for -z
7964         defs.
7965         * options.cc (General_options::parse_Bstatic): Remove.
7967         * options.h (class General_options): Add --fatal-warnings.
7968         * main.cc (main): Implement --fatal-warnings.
7969         * errors.h (Errors::warning_count): New function.
7971         * options.h (class General_options): Add -Bsymbolic-functions.
7972         * symtab.h (Symbol::is_preemptible): Check for
7973         -Bsymbolic-functions.
7975 2008-05-05  Ian Lance Taylor  <iant@google.com>
7977         * options.h (DEFINE_bool): For DASH_Z, create the negative option
7978         as noVARNAME rather than no-VARNAME.
7979         (class General_options): Add option -z combreloc.
7980         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
7981         get_address.
7982         (Output_reloc::sort_before) [SHT_REL]: New function.
7983         (Output_reloc::sort_before) [SHT_RELA]: New function.
7984         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
7985         Sort_relocs_comparison.
7986         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
7987         parameter.  Change all callers.
7988         (Output_data_reloc::Output_data_reloc) [both versions]: Add
7989         sort_relocs parameter.  Change all callers.
7990         * output.cc (Output_reloc::get_address): New function, broken out
7991         of write_rel.
7992         (Output_reloc::write_rel): Call it.
7993         (Output_reloc::compare): New function.
7994         (Output_data_reloc_base::do_write): Optionally sort relocs.
7996         * configure.ac: If targ_extra_obj is set, link it in.
7997         * configure.tgt: Initialize all variables.
7998         (x86_64*): Set targ_extra_obj and targ_extra_size.
7999         * configure: Rebuild.
8001         * object.cc (Sized_relobj::include_section_group): Adjust section
8002         indexes read from group data.  Build vector to pass to
8003         layout_group.
8004         * layout.cc (Layout::layout_group): Add flags and shndxes
8005         parameters.  Remove contents parameter.  Change caller.  Update
8006         explicit instantiations.
8007         * layout.h (class Layout): Update layout_group declaration.
8008         * output.cc (Output_data_group::Output_data_group): Add flags and
8009         input_shndxes parameters.  Remove contents parameter.  Change
8010         caller.
8011         (Output_data_group::do_write): Change input_sections_ to
8012         input_shndxes_.
8013         * output.h (class Output_data_group): Update constructor
8014         declaration.  Rename input_sections_ to input_shndxes_.
8015         * testsuite/many_sections_test.cc: Add template.
8017 2008-04-30  Cary Coutant  <ccoutant@google.com>
8019         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8021         * layout.cc (Layout::include_section): Refactored check for debug
8022         info section.
8023         (Layout::add_comdat): Add new parameters.  Change type
8024         of signature parameter.  Add object and shndx to signatures table.
8025         (Layout::find_kept_object): New function.
8026         * layout.h: Include <cstring>.
8027         (Layout::is_debug_info_section): New function.
8028         (Layout::add_comdat): Add new parameters.
8029         (Layout::find_kept_object): New function.
8030         (Layout::Kept_section): New struct.
8031         (Layout::Signatures): Change type of map range.
8032         * object.cc (Relobj::output_section_address): New function.
8033         (Sized_relobj::include_section_group): Add new parameters.  Change
8034         calls to Layout::add_comdat.  Change to build table of kept comdat
8035         groups and table mapping discarded sections to kept sections.
8036         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8037         (Sized_relobj::do_layout): Change calls to include_section_group and
8038         include_linkonce_section.
8039         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8040         value to zero when section is discarded.
8041         (Sized_relobj::map_to_kept_section): New function.
8042         * object.h (Relobj::output_section_address): New function.
8043         (Relobj::Comdat_group): New type.
8044         (Relobj::find_comdat_group): New function.
8045         (Relobj::Comdat_group_table): New type.
8046         (Relobj::Kept_comdat_section): New type.
8047         (Relobj::Kept_comdat_section_table): New type.
8048         (Relobj::add_comdat_group): New function.
8049         (Relobj::set_kept_comdat_section): New function.
8050         (Relobj::get_kept_comdat_section): New function.
8051         (Relobj::comdat_groups_): New field.
8052         (Relobj::kept_comdat_sections_): New field.
8053         (Symbol_value::input_value): Update comment.
8054         (Sized_relobj::map_to_kept_section) New function.
8055         (Sized_relobj::include_linkonce_section): Add new parameter.
8056         * target-reloc.h (Comdat_behavior): New type.
8057         (get_comdat_behavior): New function.
8058         (relocate_section): Add code to map a discarded section to the
8059         corresponding kept section when applying a relocation.
8061 2008-04-30  Craig Silverstein  <csilvers@google.com>
8063         * dwarf_reader.cc (next_generation_count): New static var.
8064         (Addr2line_cache_entry): New struct.
8065         (addr2line_cache): New static var.
8066         (Dwarf_line_info::one_addr2line): Added caching.
8067         (Dwarf_line_info::clear_addr2line_cache): New function.
8068         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8069         cache-size parameter.
8070         (Dwarf_line_info::one_addr2line_cache): New function.
8071         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8072         new cache-size argument to one_addr2line(), and clear cache.
8074 2008-04-28  Cary Coutant  <ccoutant@google.com>
8076         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8077         R_386_PC8 relocations.
8079 2008-04-23  Ian Lance Taylor  <iant@google.com>
8081         * object.cc (Sized_relobj::include_section_group): Check for
8082         invalid section group.
8084         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8085         header size.
8087         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8088         than read for file header.
8089         * archive.cc (Archive::include_member): Likewise.
8091 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8093         * aclocal.m4: Regenerate.
8094         * configure: Regenerate.
8096 2008-04-19  Ian Lance Taylor  <iant@google.com>
8098         * version.cc (version_string): Bump to 1.6.
8100         * testsuite/Makefile.am (many_sections_r_test): New target.
8101         (many_sections_r_test_SOURCES): Remove.
8102         (many_sections_r_test_DEPENDENCIES): Remove.
8103         (many_sections_r_test_LDFLAGS): Remove.
8104         (many_sections_r_test_LDADD): Remove.
8106         * object.cc (Sized_relobj::do_add_symbols): Always pass
8107         local_symbol_count_ to add_from_relobj.
8109         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8110         every thousand variables.
8111         * testsuite/Makefile.in: Rebuild.
8113         * object.cc (Xindex::initialize_symtab_xindex): New function.
8114         (Xindex::read_symtab_xindex): New function.
8115         (Xindex::sym_xindex_to_shndx): New function.
8116         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8117         available.
8118         (Sized_relobj::do_initialize_xindex): New function.
8119         (Sized_relobj::do_read_symbols): Adjust section links.
8120         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8121         parameter.  Change all callers.
8122         (Sized_relobj::include_section_group): Adjust section links and
8123         symbol section indexes.
8124         (Sized_relobj::do_layout): Adjust section links.
8125         (Sized_relobj::do_count_local_symbols): Adjust section links and
8126         symbol section indexes.
8127         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8128         ordinary and special symbols.
8129         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8130         dynsym_xindex parameters.  Change all callers.  Adjust section
8131         links.  Use SHN_XINDEX when needed.
8132         (Sized_relobj::get_symbol_location_info): Adjust section links.
8133         Don't get fooled by special symbols.
8134         * object.h (class Xindex): Define.
8135         (class Object): Add xindex_ parameter.  Declare virtual functoin
8136         do_initialize_xindex.
8137         (Object::adjust_sym_shndx): New function.
8138         (Object::set_xindex): New protected function.
8139         (class Symbol_value): Add is_ordinary_shndx_ field.
8140         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8141         (Symbol_value::value): Assert ordinary section.
8142         (Symbol_value::initialize_input_to_output_map): Likewise.
8143         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8144         Change all callers.
8145         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8146         all callers.
8147         (class Sized_relobj): Update declarations.
8148         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8149         parameter.  Change all callers.
8150         (Sized_relobj::adjust_shndx): New function.
8151         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8152         field.
8153         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8154         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8155         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8156         (Sized_dynobj::read_dynsym_section): Adjust section links.
8157         (Sized_dynobj::read_dynamic): Likewise.
8158         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8159         section links.
8160         (Sized_dynobj::do_initialize_xindex): New function.
8161         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8162         do_initialize_xindex.
8163         (Sized_dynobj::adjust_shndx): New function.
8164         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8165         dynsym_xindex_ fields.
8166         (Layout::finalize): Add a call to set_section_indexes before
8167         creating the symtab sections.
8168         (Layout::set_section_indexes): Don't do anything if the section
8169         already has a section index.
8170         (Layout::create_symtab_sections): Add shnum parameter.  Change
8171         caller.  Create .symtab_shndx section if needed.
8172         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8173         caller.
8174         (Layout::allocated_output_section_count): New function.
8175         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8176         needed.
8177         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8178         fields.  Update declarations.
8179         (Layout::symtab_xindex): New function.
8180         (Layout::dynsym_xindex): New function.
8181         (class Write_symbols_task): Add layout_ field.
8182         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8183         Change caller.
8184         * output.cc (Output_section_headers::Output_section_headers): Add
8185         shstrtab_section parameter.  Change all callers.
8186         (Output_section_headers::do_sized_write): Store overflow values
8187         for section count and section string table section index in
8188         section header zero.
8189         (Output_file_header::do_sized_write): Check for overflow of
8190         section count and section string table section index.
8191         (Output_symtab_xindex::do_write): New function.
8192         (Output_symtab_xindex::endian_do_write): New function.
8193         * output.h (class Output_section_headers): Add shstrtab_section_.
8194         Update declarations.
8195         (class Output_symtab_xindex): Define.
8196         (Output_section::has_out_shndx): New function.
8197         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8198         field.
8199         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8200         Change all callers.
8201         (Sized_symbol::init): Likewise.
8202         (Symbol::output_section): Check for ordinary symbol.
8203         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8204         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8205         callers.
8206         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8207         Change all callers.  Simplify handling of symbols from sections
8208         not included in the link.
8209         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8210         distinction.
8211         (Weak_alias_sorter::operator()): Assert that symbols are
8212         ordinary.
8213         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8214         distinction.
8215         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8216         parameters.  Change all callers.
8217         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8218         symbol distinction.  Use SHN_XINDEX when needed.
8219         (Symbol_table::write_section_symbol): Add symtab_xindex
8220         parameter.  Change all callers.
8221         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8222         SHN_XINDEX when needed.
8223         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8224         declarations.
8225         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8226         (Symbol::is_defined): Check is_ordinary.
8227         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8228         (Symbol::is_absolute, Symbol::is_common): Likewise.
8229         (class Sized_symbol): Update declarations.
8230         (class Symbol_table): Update declarations.
8231         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8232         parameters.  Change all callers.
8233         (Sized_symbol::override): Likewise.
8234         (Symbol_table::override): Likewise.
8235         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8236         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8237         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8238         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8239         to be in an ordinary section.
8240         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8241         object and is_ordinary parameters.  Change all callers.
8242         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8243         Change all callers.  Don't add undefined or non-ordinary symbols
8244         to reloc_map_.
8245         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8246         Change all callers.
8247         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8248         declarations.
8249         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8250         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8251         (Sized_relobj::relocate_sections): Likewise.
8252         * target-reloc.h (scan_relocs): Adjust section symbol index.
8253         (scan_relocatable_relocs): Likewise.
8254         * i386.cc (Scan::local): Check for ordinary symbols.
8255         * sparc.cc (Scan::local): Likewise.
8256         * x86_64.cc (Scan::local): Likewise.
8257         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8258         to symbol_section_and_value.
8259         * testsuite/many_sections_test.cc: New file.
8260         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8261         (check_PROGRAMS): Add many_sections_test.
8262         (many_sections_test_SOURCES): Define.
8263         (many_sections_test_DEPENDENCIES): Define.
8264         (many_sections_test_LDFLAGS): Define.
8265         (BUILT_SOURCES): Add many_sections_define.h.
8266         (many_sections_define.h): New target.
8267         (BUILT_SOURCES): Add many_sections_check.h.
8268         (many_sections_check.h): New target.
8269         (check_PROGRAMS): Add many_sections_r_test.
8270         (many_sections_r_test_SOURCES): Define.
8271         (many_sections_r_test_DEPENDENCIES): Define.
8272         (many_sections_r_test_LDFLAGS): Define.
8273         (many_sections_r_test_LDADD): Define.
8274         (many_sections_r_test.o): New target.
8275         * testsuite/Makefile.in: Rebuild.
8277 2008-04-17  Cary Coutant  <ccoutant@google.com>
8279         * errors.cc (Errors::info): New function.
8280         (gold_info): New function.
8281         * errors.h (Errors::info): New function.
8282         * gold.h (gold_info): New function.
8283         * object.cc (Input_objects::add_object): Print trace output.
8284         * options.cc (options::parse_set): New function.
8285         (General_options::parse_wrap): Deleted.
8286         (General_options::General_options): Deleted initializer.
8287         * options.h (options::String_set): New typedef.
8288         (options::parse_set): New function.
8289         (DEFINE_set): New macro.
8290         (General_options::wrap): Changed to use DEFINE_set. Changed
8291         callers of any_wrap_symbols and is_wrap_symbol.
8292         (General_options::trace, General_options::trace_symbol):
8293         New options.
8294         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8295         (General_options::wrap_symbols_): Deleted.
8296         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8298 2008-04-17  David S. Miller  <davem@davemloft.net>
8300         * options.cc (General_options::parse_V): New function.
8301         * options.h: Add entries for -V and -Qy.
8303 2008-04-17  Ian Lance Taylor  <iant@google.com>
8305         * common.cc (Symbol_table::allocate_commons): Remove options
8306         parameter.  Change caller.
8307         (Symbol_table::do_allocate_commons): Remove options parameter.
8308         Change caller.  Just call do_allocate_commons_list twice.
8309         (Symbol_table::do_allocate_commons_list): New function, broken out
8310         of do_allocate_commons.
8311         * common.h (class Allocate_commons_task): Remove options_ field.
8312         Update constructor.
8313         * symtab.cc (Symbol_table::Symbol_table): Initialize
8314         tls_commons_.
8315         (Symbol_table::add_from_object): Put TLS common symbols on
8316         tls_commons_ list.
8317         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8318         which are IN_OUTPUT_DATA.
8319         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8320         allocate_commons and do_allocate_commons declarations.  Declare
8321         do_allocate_commons_list.
8322         * gold.cc (queue_middle_tasks): Update creation of
8323         Allocate_commons_task to not pass options.
8324         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8325         (TLS_TEST_C_FLAGS): New variable.
8326         (tls_test_c_pic.o): New target.
8327         (tls_test_shared.so): Link in tls_test_c_pic.o.
8328         (tls_test_c_pic_ie.o): New target.
8329         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8330         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8331         (tls_test_c.o): New target.
8332         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8333         (tls_pic_test_LDADD): Likewise.
8334         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8335         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8336         (tls_test_c_gnu2.o): New target.
8337         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8338         tls_test_c_gnu2.o.
8339         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8340         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8341         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8342         * testsuite/tls_test.cc: Include "config.h".
8343         (t_last): Call t11_last.
8344         * testsuite/tls_test.h (t11, t11_last): Declare.
8345         * testsuite/tls_test_c.c: New file.
8346         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8347         * configure.ac: Check for OpenMP support.
8348         * configure, config.in, Makefile.in: Rebuild.
8349         * testsuite/Makefile.in: Rebuild.
8351 2008-04-16  Cary Coutant  <ccoutant@google.com>
8353         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8354         (Target_i386::tls_base_symbol_defined_): New field.
8355         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8356         (Target_i386::Scan::global): Likewise.
8357         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8358         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8359         (Target_x86_64::tls_base_symbol_defined_): New field.
8360         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8361         (Target_x86_64::Scan::global): Likewise.
8363 2008-04-16  Cary Coutant  <ccoutant@google.com>
8365         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8366         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8367         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8368         building shared libraries.
8369         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8370         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8371         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8372         * testsuite/Makefile.in: Rebuild.
8373         * testsuite/weak_undef.h: New file.
8374         * testsuite/weak_undef_file1.cc: Add extra test cases.
8375         * testsuite/weak_undef_file2.cc: Likewise.
8376         * testsuite/weak_undef_test.cc: Likewise.
8378 2008-04-16  David S. Miller  <davem@davemloft.net>
8380         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8381         Add issued_non_pic_error_ field.  Declare check_non_pic.
8382         (Target_sparc::Scan::check_non_pic): New function.
8383         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8384         (Target_sparc::Scan::global): Likewise.
8386         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8387         * configure: Rebuild.
8389         * options.h (DEFINE_enable): New macro.
8390         (new_dtags): New enable option.
8391         (initfirst, interpose, loadfltr, nodefaultlib,
8392         nodelete, nodlopen, nodump): New -z options.
8393         * layout.cc (Layout:finish_dynamic_section): If new
8394         dtags enabled, emit DT_RUNPATH.  Also, emit a
8395         DT_FLAGS_1 containing any specified -z flags.
8397 2008-04-16  Ian Lance Taylor  <iant@google.com>
8399         * copy-relocs.cc: New file.
8400         * copy-relocs.h: New file.
8401         * reloc.cc: Remove Copy_relocs code.
8402         * reloc.h: Likewise.
8403         * reloc-types.h (struct Reloc_types) [both versions]: Add
8404         get_reloc_addend_noerror.
8405         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8406         variants of add_global which take an addend which must be zero.
8407         * i386.cc: Include "copy-relocs.h".
8408         (class Target_i386): Change type of copy_relocs_ to variable,
8409         update initializer.
8410         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8411         Change all callers.
8412         (Target_i386::do_finalize_sections): Change handling of
8413         copy_relocs_.
8414         * sparc.cc: Include "copy-relocs.h".
8415         (class Target_sparc): Change type of copy_relocs_ to variable,
8416         update initializer.
8417         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8418         Change all callers.
8419         (Target_sparc::do_finalize_sections): Change handling of
8420         copy_relocs_.
8421         * x86_64.cc: Include "copy-relocs.h".
8422         (class Target_x86_64): Change type of copy_relocs_ to variable,
8423         update initializer.
8424         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8425         class.  Change all callers.
8426         (Target_x86_64::do_finalize_sections): Change handling of
8427         copy_relocs_.
8428         * Makefile.am (CCFILES): Add copy-relocs.cc.
8429         (HFILES): Add copy-relocs.h.
8431         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8433         * testsuite/script_test_4.sh: Permit leading zeroes.
8435 2008-04-15  Ian Lance Taylor  <iant@google.com>
8437         * script-sections.cc (Script_sections::create_segments): Use
8438         header_size_adjustment even when there is enough room for the
8439         headers.
8440         * testsuite/script_test_4.sh: New file.
8441         * testsuite/script_test_4.t: New file.
8442         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8443         (check_DATA): Add script_test_4.stdout.
8444         (MOSTLYCLEANFILES): Likewise.
8445         (script_test_4): New target.
8446         (script_test_4.stdout): New target.
8447         * testsuite/Makefile.in: Rebuild.
8449         * sparc.cc: Add definitions for Output_data_plt_sparc class
8450         constants.
8452 2008-04-14  David S. Miller  <davem@davemloft.net>
8454         * sparc.cc: New file.
8455         * Makefile.am (TARGETSOURCES): Add sparc.cc
8456         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8457         * configure.tgt: Document targ_extra_size and
8458         targ_extra_big_endian.  Add entries for sparc-* and
8459         sparc64-*.
8460         * configure.ac: Handle targ_extra_size and
8461         targ_extra_big_endian.
8462         * Makefile.in: Rebuild.
8463         * configure: Likewise.
8464         * po/POTFILES.in: Likewise.
8465         * po/gold.pot: Likewise.
8467 2008-04-14  Ian Lance Taylor  <iant@google.com>
8469         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8470         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8471         in the name/type/flags to section mapping.  Don't call
8472         allocate_output_section.
8473         (Layout::choose_output_section): Change parameter from adjust_name
8474         to is_input_section.  Don't permit input sections after sections
8475         are attached to segments.  Don't call allocate_output_section.
8476         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8477         not write_enable_output_section.
8478         (Layout::make_output_section): Don't push to
8479         unattached_section_list_ nor call attach_to_segment.  Call
8480         attach_section_to_segment if sections are attached.
8481         (Layout::attach_sections_to_segments): New function.
8482         (Layout::attach_section_to_segment): New function.
8483         (Layout::attach_allocated_section_to_segment): Rename from
8484         attach_to_segment.  Remove flags parameter.
8485         (Layout::allocate_output_section): Remove function.
8486         (Layout::write_enable_output_section): Remove function.
8487         * layout.h (class Layout): Update for above changes.  Add new
8488         field sections_are_attached_.
8489         * output.h (Output_section::update_flags_for_input_section): New
8490         function.
8491         * output.cc (Output_section::add_input_section): Call
8492         update_flags_for_input_section.
8493         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8495 2008-04-11  Cary Coutant  <ccoutant@google.com>
8497         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8498         thought unnecessary.
8499         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8501 2008-04-11  Ian Lance Taylor  <iant@google.com>
8503         * output.h (class Output_section_data): Remove inline definition
8504         of set_addralign.
8505         * output.cc (Output_section_data::set_addralign): New function.
8507 2008-04-11  Cary Coutant  <ccoutant@google.com>
8509         Add support for TLS descriptors for i386 and x86_64.
8510         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8511         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8512         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8513         GOT_TYPE_TLS_DESC.
8514         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8515         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8516         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8517         relocations.
8518         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8519         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8520         Fix problem with initial-exec relocations.
8521         (Target_i386::Relocate::relocate_tls): Likewise.
8522         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8523         relaxation.
8524         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8525         support for section-plus-offset dynamic table entries.
8526         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8527         (Output_data_dynamic::Dynamic_entry): Add support for
8528         section-plus-offset dynamic table entries.
8529         (Output_data_dynamic::Classification): Likewise.
8530         (Output_data_dynamic::classification_): Renamed offset_.
8531         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8532         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8533         (Target_x86_64::make_plt_section): New function.
8534         (Target_x86_64::reserve_tlsdesc_entries): New function.
8535         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8536         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8537         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8538         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8539         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8540         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8541         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8542         add extra PLT entry for TLS descriptors.
8543         (Output_data_plt_x86_64::got_): New field.
8544         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8545         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8546         fields.
8547         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8548         descriptors.
8549         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8550         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8551         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8552         R_386_TLS_DESC_CALL relocations.
8553         (Target_x86_64::Scan::global): Likewise.
8554         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8555         for TLS descriptors.
8556         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8557         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8558         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8559         GD-to-IE relaxation.
8560         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8561         and TLS_DESCRIPTORS.
8562         * Makefile.in: Rebuild.
8563         * configure: Rebuild.
8564         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8565         (tls_test_shared2.so): New target.
8566         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8567         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8568         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8569         (tls_shared_gd_to_ie_test_LDADD): New variable.
8570         (tls_shared_gnu2_gd_to_ie_test): New target.
8571         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8572         New targets.
8573         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8574         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8575         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8576         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8577         (tls_shared_gnu2_test): New target.
8578         (tls_test_gnu2_shared.so): New target.
8579         (tls_shared_gnu2_test_SOURCES): New variable.
8580         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8581         (tls_shared_gnu2_test_LDFLAGS): New variable.
8582         (tls_shared_gnu2_test_LDADD): New variable.
8583         * testsuite/Makefile.in: Rebuild.
8584         * testsuite/Makefile.
8586 2008-04-11  Ian Lance Taylor  <iant@google.com>
8588         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8589         justsyms.t.
8590         * testsuite/Makefile.in: Rebuild.
8592         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8593         long.
8594         * testsuite/script_test_2.cc (main): Adjust test.
8596 2008-04-11  David S. Miller  <davem@davemloft.net>
8597             Ian Lance Taylor  <iant@google.com>
8599         * options.h (General_options): Add entries for '-Y' and
8600         '-relax'.
8601         * options.cc (General_options:finalize): If -Y was used, add those
8602         entries to the library path instead of the default "/lib" and
8603         "/usr/lib".
8605 2008-04-11  David S. Miller  <davem@davemloft.net>
8607         * testsuite/justsyms.t: Start at 0x100.
8608         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8609         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8610         long.
8611         * testsuite/script_test_2.cc: Adjust string and section length
8612         checks.
8614 2008-04-09  Ian Lance Taylor  <iant@google.com>
8616         PR gold/5996
8617         * script-sections.cc (Sections_element::allocate_to_segment): Add
8618         orphan parameter.
8619         (Output_section_definition::allocate_to_segment): Likewise.
8620         (Orphan_output_section::allocate_to_segment): Likewise.
8621         (Script_sections::attach_sections_using_phdrs_clause): Don't
8622         propagate non-PT_LOAD segments to orphan sections.
8623         * testsuite/Makefile.am (script_test_3.stdout): Generate using
8624         readelf rather than objdump.
8625         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
8626         .interp section and PT_INTERP segment are the same size.
8627         * testsuite/Makefile.in: Rebuild.
8629         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8630         aliases for symbols defined in the same object.
8631         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8632         (weak_alias_test_SOURCES): New variable.
8633         (weak_alias_test_DEPENDENCIES): New variable.
8634         (weak_alias_test_LDFLAGS): New variable.
8635         (weak_alias_test_LDADD): New variable.
8636         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8637         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8638         (weak_alias_test_3.o): New target.
8639         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8640         * testsuite/weak_alias_test_main.cc: New file.
8641         * testsuite/weak_alias_test_1.cc: New file.
8642         * testsuite/weak_alias_test_2.cc: New file.
8643         * testsuite/weak_alias_test_3.cc: New file.
8645 2008-04-08  Ian Lance Taylor  <iant@google.com>
8647         * options.h (class General_options): Add --noinhibit-exec option.
8648         * main.cc (main): Check --noinhibit-exec.
8650         * options.h (class General_options): Define --wrap as a special
8651         option.  Add wrap_symbols_ field.
8652         (General_options::any_wrap_symbols): New function.
8653         (General_options::is_wrap_symbol): New function.
8654         * options.cc (General_options::parse_wrap): New function.
8655         (General_options::General_options): Initialize wrap_symbols_.
8656         * symtab.cc (Symbol_table::wrap_symbol): New function.
8657         (Symbol_table::add_from_object): Handle --wrap.
8658         * symtab.h (class Symbol_table): Declare wrap_symbol.
8659         * target.h (Target::wrap_char): New function.
8660         (Target::Target_info): Add wrap_char field.
8661         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8662         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8663         * testsuite/testfile.cc (Target_test::test_target_info):
8664         Likewise.
8666         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8667         there is one.
8669         * layout.h (class Layout): Add added_eh_frame_data_ field.
8670         * layout.cc (Layout::Layout): Initialize new field.
8671         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8672         output section until we find a section we merged successfully.
8673         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8674         that the size be non-zero.
8676         * merge.cc (Object_merge_map::get_output_offset): Remove inline
8677         qualifier.
8679 2008-04-08  Craig Silverstein  <csilvers@google.com>
8681         * configure.ac: Export new conditional variable HAVE_ZLIB.
8682         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8683         on HAVE_ZLIB.
8684         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8685         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8687 2008-04-07  Ian Lance Taylor  <iant@google.com>
8689         * version.cc (version_string): Set to "1.5".
8691         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8692         Add issued_non_pic_error_ field.  Declare check_non_pic.
8693         (Target_x86_64::Scan::check_non_pic): New function.
8694         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8695         (Target_x86_64::Scan::global): Likewise.
8697         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8698         addend parameter.  Change caller.  Handle merge sections.
8699         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8700         Address to Addend.  Don't add in the result of
8701         local_section_offset, pass down the addend and use the returned
8702         value.
8703         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8704         Update declarations of local_section_offset and symbol_value.
8705         * testsuite/two_file_test_1.cc (t18): New function.
8706         * testsuite/two_file_test_2.cc (f18): New function.
8707         * testsuite/two_file_test_main.cc (main): Call t18.
8708         * testsuite/two_file_test.h (t18, f18): Declare.
8710         * configure.ac: Don't test for objdump, c++filt, or readelf.
8711         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8712         conditionals.
8713         (TEST_READELF): New variable.
8714         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8715         (check_PROGRAMS): Add two_file_strip_test.
8716         (two_file_strip_test): New target.
8717         (check_PROGRAMS): Add two_file_same_shared_strip_test.
8718         (two_file_same_shared_strip_test_SOURCES): New variable.
8719         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8720         (two_file_same_shared_strip_test_LDFLAGS): New variable.
8721         (two_file_same_shared_strip_test_LDADD): New variable.
8722         (two_file_shared_strip.so): New target.
8723         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8724         (ver_test_5.syms, ver_test_7.syms): Likewise.
8725         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8726         (strip_test_3.stdout): Use TEST_OBJDUMP.
8727         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8729 2008-04-04  Cary Coutant  <ccoutant@google.com>
8731         * symtab.h (Symbol::is_weak_undefined): New function.
8732         (Symbol::is_strong_undefined): New function.
8733         (Symbol::is_absolute): New function.
8734         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8735         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8736         absolute symbols.
8737         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8738         (weak_undef_test): New target.
8739         * testsuite/Makefile.in: Rebuild.
8740         * testsuite/weak_undef_file1.cc: New file.
8741         * testsuite/weak_undef_file2.cc: New file.
8742         * testsuite/weak_undef_test.cc: New file.
8744 2008-04-03  Craig Silverstein  <csilvers@google.com>
8746         * compressed_output.h (class Output_compressed_section): Use
8747         unsigned buffer.
8748         * compressed_output.cc (zlib_compress): Use unsigned buffers,
8749         add zlib header.
8750         (zlib_compressed_suffix): Removed.
8751         (Output_compressed_section::set_final_data_size): Use unsigned
8752         buffers.
8753         * testsuite/Makefile.am (flagstest_compress_debug_sections):
8754         Fix linker invocation.
8755         (flagstest_o_specialfile_and_compress_debug_sections):
8756         Likewise.
8757         * testsuite/Makefile.in: Regenerated.
8759 2008-04-02  David S. Miller  <davem@davemloft.net>
8761         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8762         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8764 2008-04-02  Craig Silverstein  <csilvers@google.com>
8766         * TODO: New file.
8768 2008-04-02  Ian Lance Taylor  <iant@google.com>
8770         * fileread.cc (File_read::find_view): Add byteshift and vshifted
8771         parameters.  Update for new key type to views_.  Change all
8772         callers.
8773         (File_read::read): Adjust for byteshift in returned view.
8774         (File_read::add_view): New function, broken out of
8775         find_and_make_view.
8776         (File_read::make_view): New function, broken out of
8777         find_and_make_view.
8778         (File_read::find_or_make_view): Add offset and aligned
8779         parameters.  Rewrite accordingly.  Change all callers.
8780         (File_read::get_view): Add offset and aligned parameters.  Adjust
8781         for byteshift in return value.
8782         (File_read::get_lasting_view): Likewise.
8783         * fileread.h (class File_read): Update declarations.
8784         (class File_read::View): Add byteshift_ field.  Add byteshift to
8785         constructor.  Add byteshift method.
8786         * archive.h (Archive::clear_uncached_views): New function.
8787         (Archive::get_view): Add aligned parameter.  Change all callers.
8788         * object.h (Object::get_view): Add aligned parameter.  Change all
8789         callers.
8790         (Object::get_lasting_view): Likewise.
8792         * fileread.cc (File_read::release): Don't call clear_views if
8793         there are multiple objects.
8794         * fileread.h (File_read::clear_uncached_views): New function.
8795         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8796         on the archive.
8798 2008-03-31  Cary Coutant  <ccoutant@google.com>
8800         Add thin archive support.
8801         * archive.cc (Archive::armagt): New const.
8802         (Archive::setup): Remove task parameter and calls to unlock.
8803         (Archive::unlock_nested_archives): New function.
8804         (Archive::read_header): Add nested_off parameter. Change
8805         all callers.
8806         (Archive::interpret_header): Likewise.
8807         (Archive::include_all_members): Change to handle thin
8808         archives.
8809         (Archive::include_member): Likewise.
8810         * archive.h (Archive::Archive): Add new parameters and
8811         initializers.
8812         (Archive::armagt): New const.
8813         (Archive::setup): Remove task parameter.
8814         (Archive::unlock_nested_archives): New function.
8815         (Archive::read_header): Add nested_off parameter.
8816         (Archive::interpret_header): Likewise.
8817         (Archive::Nested_archive_table): New typedef.
8818         (Archive::is_thin_archive_): New field.
8819         (Archive::nested_archives_): New field.
8820         (Archive::options_): New field.
8821         (Archive::dirpath_): New field.
8822         (Archive::task_): New field.
8823         * readsyms.cc (Read_symbols::do_read_symbols): Add check
8824         for thin archives.  Pass additional parameters to
8825         Archive::Archive.  Unlock the archive file after calling
8826         Archive::setup.
8828 2008-03-29  Ian Lance Taylor  <iant@google.com>
8830         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8831         version symbol to be local.
8832         * testsuite/ver_test_4.sh: New file.
8833         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8834         (check_DATA): Add ver_test_4.syms.
8835         (ver_test_4.syms): New target.
8836         * testsuite/Makefile.in: Rebuild.
8838         * output.cc
8839         (Output_section::Input_section_sort_entry::has_priority): New
8840         function.
8841         (Output_section::Input_section_sort_entry::match_file_name): New
8842         function.
8843         (Output_section::Input_section_sort_entry::match_section_name):
8844         Remove.
8845         (Output_section::Input_section_sort_entry::match_section_name_prefix):
8846         Remove.
8847         (Output_section::Input_section_sort_entry::match_section_file):
8848         Remove.
8849         (Output_section::Input_section_sort_compare::operator()): Rewrite
8850         using new Input_section_sort_entry functions.  Sort crtbegin and
8851         crtend first.  Sort sections with no priority before sections with
8852         a priority.
8853         * testsuite/initpri1.c (d3): Check j != 4.
8854         (cd5): New constructor/destructor function.
8855         (main): Check j != 2.
8857         * symtab.cc (Symbol_table::add_from_object): If we don't use the
8858         new symbol when resolving, don't call set_is_default.
8859         * testsuite/ver_test_7.cc: New file.
8860         * testsuite/ver_test_7.sh: New file.
8861         * testsuite/Makefile.am (ver_test_7.so): New target.
8862         (ver_test_7.o): New target.
8863         (check_SCRIPTS): Add ver_test_7.sh.
8864         (check_DATA): Add ver_test_7.syms.
8865         (ver_test_7.syms): New target.
8867 2008-03-28  Ian Lance Taylor  <iant@google.com>
8869         * layout.cc (Layout::layout): If we see an input section with a
8870         name that needs sorting, set the must_sort flag for the output
8871         section.
8872         (Layout::make_output_section): If the name of the output section
8873         indicates that it might require sorting, set the may_sort flag.
8874         * output.h (Output_section::may_sort_attached_input_sections): New
8875         function.
8876         (Output_section::set_may_sort_attached_input_sections): New
8877         function.
8878         (Output_section::must_sort_attached_input_sections): New
8879         function.
8880         (Output_section::set_must_sort_attached_input_sections): New
8881         function.
8882         (class Output_section): Declare Input_section_sort_entry.  Define
8883         Input_section_sort_compare.  Declare
8884         sort_attached_input_sections.  Add new fields:
8885         may_sort_attached_input_sections_,
8886         must_sort_attached_input_sections_,
8887         attached_input_sections_are_sorted_.
8888         * output.cc (Output_section::Output_section): Initialize new
8889         fields.
8890         (Output_section::add_input_section): Add an entry to
8891         input_sections_ if may_sort or must_sort are true.
8892         (Output_section::set_final_data_size): Call
8893         sort_attached_input_sections if necessary.
8894         (Output_section::Input_section_sort_entry): Define new class.
8895         (Output_section::Input_section_sort_compare::operator()): New
8896         function.
8897         (Output_section::sort_attached_input_sections): New function.
8898         * configure.ac: Check whether the compiler supports constructor
8899         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
8900         * testsuite/initpri1.c: New file.
8901         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8902         CONSTRUCTOR_PRIORITY.
8903         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8904         (initpri1_LDFLAGS): New variable.
8905         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8907 2008-03-27  Ian Lance Taylor  <iant@google.com>
8909         * common.cc (Sort_commons::operator): Correct sorting algorithm.
8910         * testsuite/common_test_1.c: New file.
8911         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8912         (common_test_1_SOURCES): New variable.
8913         (common_test_1_DEPENDENCIES): New variable.
8914         (common_test_1_LDFLAGS): New variable.
8916         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8917         and commons_ correctly when NAME/VERSION does not override
8918         NAME/NULL.
8919         * testsuite/ver_test_6.c: New file.
8920         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
8921         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
8922         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
8924 2008-03-26  Ian Lance Taylor  <iant@google.com>
8926         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
8927         of an undefined symbol from a version script.
8928         * testsuite/Makefile.am (ver_test_5.so): New target.
8929         (ver_test_5.o): New target.
8930         (check_SCRIPTS): Add ver_test_5.sh.
8931         (check_DATA): Add ver_test_5.syms.
8932         (ver_test_5.syms): New target.
8933         * testsuite/ver_test_5.cc: New file.
8934         * testsuite/ver_test_5.script: New file.
8935         * testsuite/ver_test_5.sh: New file.
8936         * Makefile.in, testsuite/Makefile.in: Rebuild.
8938         PR gold/5986
8939         Fix problems building gold with gcc 4.3.0.
8940         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
8941         (gold_error_at_location, gold_warning_at_location): Use it.
8942         * configure.ac: Check whether we can compile and use a template
8943         function with a printf attribute.
8944         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
8945         when jumping over bytes.
8946         * object.cc: Instantiate Object::read_section_data.
8947         * debug.h: Include <cstring>
8948         * dwarf_reader.cc: Include <algorithm>
8949         * main.cc: Include <cstring>.
8950         * options.cc: Include <cstring>.
8951         * output.cc: Include <cstring>.
8952         * script.cc: Include <cstring>.
8953         * script.h: Include <string>.
8954         * symtab.cc: Include <cstring> and <algorithm>.
8955         * target-select.cc: Include <cstring>.
8956         * version.cc: Include <string>.
8957         * testsuite/testmain.cc: Include <cstdlib>.
8958         * configure, config.in: Rebuild.
8960 2008-03-25  Ian Lance Taylor  <iant@google.com>
8962         * options.cc: Include "../bfd/bfdver.h".
8963         (options::help): Print bug reporting address.
8965         * version.cc (print_version): Adjust output for current value of
8966         BFD_VERSION_STRING.
8968         * NEWS: New file.
8970         * options.cc (options::help): Print list of supported targets.
8971         * target-select.h: Include <vector>.
8972         (class Target_selector): Make machine_, size_, and is_big_endian_
8973         fields const.  Add bfd_name_ and instantiated_target_ fields.
8974         (Target_selector::Target_selector): Add bfd_name parameter.
8975         (Target_selector::recognize): Make non-virtual, call
8976         do_recognize.
8977         (Target_selector::recognize_by_name): Make non-virtual, call
8978         do_recognize_by_name.
8979         (Target_selector::supported_names): New function.
8980         (Target_selector::bfd_name): New function.
8981         (Target_selector::do_instantiate_target): New pure virtual
8982         function.
8983         (Target_selector::do_recognize): New virtual function.
8984         (Target_selector::do_recognize_by_name): New virtual function.
8985         (Target_selector::instantiate_target): New private function.
8986         (supported_target_names): Declare.
8987         * target-select.cc (Target_selector::Target_selector): Update for
8988         new parameter and fields.
8989         (select_target_by_name): Check that the name matches before
8990         calling recognize_by_name.
8991         (supported_target_names): New function.
8992         * i386.cc (class Target_selector_i386): Update Target_selector
8993         constructor call.  Remove recognize and recognize_by_name.  Add
8994         do_instantiate_target.
8995         * x86_64.cc (class Target_selector_x86_64): Likewise.
8996         * testsuite/testfile.cc (class Target_selector_test): Update for
8997         changes to Target_selector.
8999         * README: Rewrite, with some notes on unsupported features.
9001 2008-03-24  Cary Coutant  <ccoutant@google.com>
9003         * i386.cc (Target_i386::Got_type): New enum declaration.
9004         (Target_i386::Scan::local): Updated callers of Output_data_got
9005         member functions.
9006         (Target_i386::Scan::global): Likewise.
9007         (Target_i386::Relocate::relocate): Likewise.
9008         (Target_i386::Relocate::relocate_tls): Likewise.
9009         * object.h (Got_offset_list): New class.
9010         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9011         (Sized_relobj::local_got_offset): Likewise.
9012         (Sized_relobj::set_local_got_offset): Likewise.
9013         (Sized_relobj::local_has_tls_got_offset): Removed.
9014         (Sized_relobj::local_tls_got_offset): Removed.
9015         (Sized_relobj::set_local_tls_got_offset): Removed.
9016         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9017         * output.cc (Output_data_got::add_global): Added got_type parameter.
9018         (Output_data_got::add_global_with_rel): Likewise.
9019         (Output_data_got::add_global_with_rela): Likewise.
9020         (Output_data_got::add_global_pair_with_rel): New function.
9021         (Output_data_got::add_global_pair_with_rela): New function.
9022         (Output_data_got::add_local): Added got_type parameter.
9023         (Output_data_got::add_local_with_rel): Likewise.
9024         (Output_data_got::add_local_with_rela): Likewise.
9025         (Output_data_got::add_local_pair_with_rel): New function.
9026         (Output_data_got::add_local_pair_with_rela): New function.
9027         (Output_data_got::add_global_tls): Removed.
9028         (Output_data_got::add_global_tls_with_rel): Removed.
9029         (Output_data_got::add_global_tls_with_rela): Removed.
9030         (Output_data_got::add_local_tls): Removed.
9031         (Output_data_got::add_local_tls_with_rel): Removed.
9032         (Output_data_got::add_local_tls_with_rela): Removed.
9033         * output.h (Output_data_got::add_global): Added got_type parameter.
9034         (Output_data_got::add_global_with_rel): Likewise.
9035         (Output_data_got::add_global_with_rela): Likewise.
9036         (Output_data_got::add_global_pair_with_rel): New function.
9037         (Output_data_got::add_global_pair_with_rela): New function.
9038         (Output_data_got::add_local): Added got_type parameter.
9039         (Output_data_got::add_local_with_rel): Likewise.
9040         (Output_data_got::add_local_with_rela): Likewise.
9041         (Output_data_got::add_local_pair_with_rel): New function.
9042         (Output_data_got::add_local_pair_with_rela): New function.
9043         (Output_data_got::add_global_tls): Removed.
9044         (Output_data_got::add_global_tls_with_rel): Removed.
9045         (Output_data_got::add_global_tls_with_rela): Removed.
9046         (Output_data_got::add_local_tls): Removed.
9047         (Output_data_got::add_local_tls_with_rel): Removed.
9048         (Output_data_got::add_local_tls_with_rela): Removed.
9049         * resolve.cc (Symbol::override_base_with_special): Removed
9050         reference to has_got_offset_ field.
9051         * symtab.cc (Symbol::init_fields): Replaced initialization
9052         of got_offset_ with got_offsets_.  Removed initialization
9053         of has_got_offset_
9054         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9055         (Symbol::got_offset): Likewise.
9056         (Symbol::set_got_offset): Likewise.
9057         (Symbol::has_tls_got_offset): Removed.
9058         (Symbol::tls_got_offset): Removed.
9059         (Symbol::set_tls_got_offset): Removed.
9060         (Symbol::got_offset_): Removed.
9061         (Symbol::tls_mod_got_offset_): Removed.
9062         (Symbol::tls_pair_got_offset_): Removed.
9063         (Symbol::got_offsets_): New field.
9064         (Symbol::has_got_offset): Removed.
9065         (Symbol::has_tls_mod_got_offset): Removed.
9066         (Symbol::has_tls_pair_got_offset): Removed.
9067         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9068         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9069         member functions.
9070         (Target_x86_64::Scan::global): Likewise.
9071         (Target_x86_64::Relocate::relocate): Likewise.
9072         (Target_x86_64::Relocate::relocate_tls): Likewise.
9074 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9076         * yyscript.y: Fix spelling error in comment.
9078 2008-03-24  Ian Lance Taylor  <iant@google.com>
9080         * options.h (class General_options): Define build_id option.
9081         * layout.h (class Layout): Declare write_build_id, create_note,
9082         create_build_id.  Add build_id_note_ member.
9083         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9084         "libiberty.h", "md5.h", "sha1.h".
9085         (Layout::Layout): Initialize eh_frame_data_,
9086         eh_frame_hdr_section_, and build_id_note_.
9087         (Layout::finalize): Call create_build_id.
9088         (Layout::create_note): New function, broken out of
9089         Layout::create_gold_note.
9090         (Layout::create_gold_note): Call create_note.
9091         (Layout::create_build_id): New function.
9092         (Layout::write_build_id): New function.
9093         (Close_task_runner::run): Call write_build_id.
9095         * x86_64.cc: Correct license to GPLv3.
9097 2008-03-23  Ian Lance Taylor  <iant@google.com>
9099         * options.cc: Include "demangle.h".
9100         (parse_optional_string): New function.
9101         (parse_long_option): Handle takes_optional_argument.
9102         (parse_short_option): Update dash_z initializer.  Handle
9103         takes_optional_argument.
9104         (General_options::General_options): Initialize do_demangle_.
9105         (General_options::finalize): Set do_demangle_.  Handle demangling
9106         style.
9107         * options.h (parse_optional_string): Declare.
9108         (struct One_option): Add optional_arg field.  Update constructor.
9109         Update call constructor calls.  Add takes_optional_argument
9110         function.
9111         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9112         (DEFINE_optional_string): Define.
9113         (General_options::demangle): Change from DEFINE_bool to
9114         DEFINE_optional_string.
9115         (General_options::no_demangle): New function.
9116         (General_options::do_demangle): New function.
9117         (General_options::set_do_demangle): New function.
9118         (General_options::execstack_status_): Move definition to end of
9119         class definition.
9120         (General_options::static_): Likewise.
9121         (General_options::do_demangle_): New field.
9122         * object.cc (big_endian>::get_symbol_location_info): Call
9123         Options::do_demangle, not Options::demangle.
9124         * symtab.cc (demangle): Likewise.
9126 2008-03-22  Ian Lance Taylor  <iant@google.com>
9128         * gold.h: Include <cstddef> and <sys/types.h>
9129         * options.h: Include <cstring>.
9131 2008-03-21  Ian Lance Taylor  <iant@google.com>
9133         * Added source code to GNU binutils.