* ld.texinfo (MEMORY): Clarify the behaviour of the ! character in
[binutils.git] / gold / ChangeLog
blob667caaea45114a649f968cafb1901f2342c12e57
1 2010-08-27  Doug Kwan  <dougkwan@google.com>
3         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4         reference override an existing dynamic weak reference.
5         * testsuite/Makefile.am: Add new test dyn_weak_ref.
6         * testsuite/Makefile.in: Regenerate.
7         * testsuite/dyn_weak_ref.sh: New file.
8         * testsuite/dyn_weak_ref_1.c: Ditto.
9         * testsuite/dyn_weak_ref_2.c: Ditto.
11 2010-08-27  Ian Lance Taylor  <iant@google.com>
13         * incremental.h (class Incremental_input_entry): Add virtual
14         destructor.
16 2010-08-27  Ian Lance Taylor  <iant@google.com>
18         * testsuite/start_lib_test_3.c: Mark t3 as used.
20 2010-08-27  Nick Clifton  <nickc@redhat.com>
22         * options.cc (version_script): Fix small typo in previous
23         whitespace tidyup.
25 2010-08-25  Nick Clifton  <nickc@redhat.com>
27         * archive.cc: Formatting fixes: Remove whitespace between
28         typename and following asterisk.  Remove whitespace between
29         function name and opening parenthesis.
30         * archive.h: Likewise.
31         * arm.cc: Likewise.
32         * attributes.cc: Likewise.
33         * attributes.h: Likewise.
34         * common.cc: Likewise.
35         * copy-relocs.cc: Likewise.
36         * dirsearch.h: Likewise.
37         * dynobj.cc: Likewise.
38         * ehframe.cc: Likewise.
39         * ehframe.h: Likewise.
40         * expression.cc: Likewise.
41         * fileread.cc: Likewise.
42         * fileread.h: Likewise.
43         * gc.h: Likewise.
44         * gold-threads.cc: Likewise.
45         * gold.cc: Likewise.
46         * i386.cc: Likewise.
47         * icf.h: Likewise.
48         * incremental-dump.cc: Likewise.
49         * incremental.cc: Likewise.
50         * layout.cc: Likewise.
51         * layout.h: Likewise.
52         * main.cc: Likewise.
53         * merge.cc: Likewise.
54         * merge.h: Likewise.
55         * object.cc: Likewise.
56         * object.h: Likewise.
57         * options.cc: Likewise.
58         * options.h: Likewise.
59         * output.cc: Likewise.
60         * output.h: Likewise.
61         * plugin.cc: Likewise.
62         * plugin.h: Likewise.
63         * powerpc.cc: Likewise.
64         * reloc.cc: Likewise.
65         * script-c.h: Likewise.
66         * script-sections.cc: Likewise.
67         * script.cc: Likewise.
68         * stringpool.cc: Likewise.
69         * symtab.cc: Likewise.
70         * symtab.h: Likewise.
71         * target.cc: Likewise.
72         * timer.cc: Likewise.
73         * timer.h: Likewise.
74         * version.cc: Likewise.
75         * x86_64.cc: Likewise.
77 2010-08-24  Nick Clifton  <nickc@redhat.com>
79         PR 11899
80         * layout.cc (segment_precedes): Sort segments by their physical
81         addresses, if they have been set.
83 2010-08-23  Cary Coutant  <ccoutant@google.com>
85         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
86         symbols data.
87         (Lib_group::include_member): Unlock object after deleting its
88         symbols data.
89         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
90         the bug fixed here.
92 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
93             Cary Coutant  <ccoutant@google.com>
95         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
96         constructor, and set_blocker.
97         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
98         readsyms_blocker_.
99         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
100         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
101         * testsuite/Makefile.am (start_lib_test): New test case.
102         * testsuite/Makefile.in: Regenerate.
103         * testsuite/start_lib_test_main.c: New file.
104         * testsuite/start_lib_test_1.c: New file.
105         * testsuite/start_lib_test_2.c: New file.
106         * testsuite/start_lib_test_3.c: New file.
108 2010-08-19  Ian Lance Taylor  <iant@google.com>
110         * Makefile.in: Rebuild with automake 1.11.1.
111         * aclocal.m4: Likewise.
112         * testsuite/Makefile.in: Likewise.
114 2010-08-19  Ian Lance Taylor  <iant@google.com>
116         PR 10893
117         * i386.cc (class Output_data_plt_i386): Update declarations.
118         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
119         local_ifuncs_ fields.
120         (Target_i386::do_plt_section_for_global): New function.
121         (Target_i386::do_plt_section_for_local): New function.
122         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
123         parameter; change all callers.  Initialize global_ifuncs_ and
124         local_ifuncs_.  If doing a static link define __rel_iplt_start and
125         __rel_iplt_end.
126         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
127         (Output_data_plt_i386::add_local_ifunc_entry): New function.
128         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
129         symbols.
130         (Target_i386::make_plt_section): New function, broken out of
131         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
132         (Target_i386::make_plt_entry): Call make_plt_section.
133         (Target_i386::make_local_ifunc_plt_entry): New function.
134         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
135         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
136         R_386_IRELATIVE to switch.
137         (Target_i386::Scan::global): Likewise.
138         (Target_i386::Relocate::relocate): Likewise.
139         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
140         switch.
141         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
142         (Target_x86_64::do_plt_section_for_global): New function.
143         (Target_x86_64::do_plt_section_for_local): New function.
144         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
145         parameter; change all callers.  If doing a static link define
146         __rela_iplt_start and __rela_iplt_end.
147         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
148         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
149         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
150         to point to .plt.
151         (Target_x86_64::make_local_ifunc_plt_entry): New function.
152         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
153         switch.
154         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
155         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
156         R_X86_64_IRELATIVE to switch.
157         (Target_x86_64::Scan::global): Likewise.
158         (Target_x86_64::Relocate::relocate): Likewise.
159         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
160         switch.
161         * target.h (class Target): Add plt_section_for_global and
162         plt_section_for_local functions.  Add do_plt_section_for_global
163         and do_plt_section_for_local virtual functions.
164         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
165         clarifying comments.
166         (Symbol::use_plt_offset): Handle IFUNC symbol.
167         * object.cc (Sized_relobj::Sized_relobj): Initialize
168         local_plt_offsets_.
169         (Sized_relobj::local_has_plt_offset): New function.
170         (Sized_relobj::local_plt_offset): New function.
171         (Sized_relobj::set_local_plt_offset): New function.
172         (Sized_relobj::do_count): Handle IFUNC symbol.
173         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
174         a bit away from input_shndx_ field.  Add set_is_func_symbol and
175         is_ifunc_symbol functions.
176         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
177         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
178         local_plt_offsets_ field.
179         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
180         * output.h (class Output_section_data): Add non-const
181         output_section function.
182         (class Output_data_got): Update declarations.
183         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
184         Add use_plt_offset parameter to global and local constructors.
185         Change all callers.  Change local_sym_index_ field to 31 bits.
186         Change GSYM_CODE and CONSTANT_CODE accordingly.
187         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
188         doing a static link don't set sh_link field.
189         (Output_data_got::Got_entry::write): Use PLT offset if
190         appropriate.
191         (Output_data_got::add_global_plt): New function.
192         (Output_data_got::add_local_plt): New function.
193         * target-reloc.h (relocate_section): Handle IFUNC symbol.
194         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
195         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
196         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
197         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
198         IFUNC conditional.
199         * testsuite/ifunc-sel.h: New file.
200         * testsuite/ifuncmain1.c: New file.
201         * testsuite/ifuncmain1vis.c: New file.
202         * testsuite/ifuncmod1.c: New file.
203         * testsuite/ifuncdep2.c: New file.
204         * testsuite/ifuncmain2.c: New file.
205         * testsuite/ifuncmain3.c: New file.
206         * testsuite/ifuncmod3.c: New file.
207         * testsuite/ifuncmain4.c: New file.
208         * testsuite/ifuncmain5.c: New file.
209         * testsuite/ifuncmod5.c: New file.
210         * testsuite/ifuncmain6pie.c: New file.
211         * testsuite/ifuncmod6.c: New file.
212         * testsuite/ifuncmain7.c: New file.
213         * configure, testsuite/Makefile.in: Rebuild.
215 2010-08-18  Ian Lance Taylor  <iant@google.com>
217         * incremental.cc
218         (Output_section_incremental_inputs::write_input_files): Add cast
219         to avoid signed/unsigned comparison warning.
220         (Output_section_incremental_inputs::write_info_blocks): Likewise.
222 2010-08-12  Cary Coutant  <ccoutant@google.com>
224         * common.cc (Sort_commons::operator()): Remove unnecessary code.
226 2010-08-13  Ian Lance Taylor  <iant@google.com>
228         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
230 2010-08-12  Cary Coutant  <ccoutant@google.com>
231             Doug Kwan  <dougkwan@google.com>
233         * resolve.cc (Symbol_table::should_override): When a weak dynamic
234         defintion overrides non-weak undef, remember that the original undef
235         is not weak.
236         * symtab.cc (Symbol_table::sized_write_global): For undef without
237         an original weak binding, set binding to global in output.
238         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
239         * testsuite/Makefile.in: Regenerate.
240         * testsuite/strong_ref_weak_def.sh: New file.
241         * testsuite/strong_ref_weak_def_1.c: Ditto.
242         * testsuite/strong_ref_weak_def_2.c: Ditto.
244 2010-08-12  Cary Coutant  <ccoutant@google.com>
246         * testsuite/incremental_test.sh: Rewrite.
247         * testsuite/incremental_test_1.c: Rewrite.
248         * testsuite/incremental_test_2.c: Rewrite.
250 2010-08-12  Cary Coutant  <ccoutant@google.com>
252         * arm.cc (Target_arm::got_size): Add const.
253         (Target_arm::got_entry_count): New function.
254         (Target_arm::plt_entry_count): New function.
255         (Target_arm::first_plt_entry_offset): New function.
256         (Target_arm::plt_entry_size): New function.
257         (Output_data_plt_arm::entry_count): New function.
258         (Output_data_plt_arm::first_plt_entry_offset): New function.
259         (Output_data_plt_arm::get_plt_entry_size): New function.
260         * i386.cc (Target_i386::got_size): Add const.
261         (Target_i386::got_entry_count): New function.
262         (Target_i386::plt_entry_count): New function.
263         (Target_i386::first_plt_entry_offset): New function.
264         (Target_i386::plt_entry_size): New function.
265         (Output_data_plt_i386::entry_count): New function.
266         (Output_data_plt_i386::first_plt_entry_offset): New function.
267         (Output_data_plt_i386::get_plt_entry_size): New function.
268         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
269         find_incremental_inputs_sections.  Dump incremental_got_plt section.
270         * incremental.cc: Include target.h.
271         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
272         parameter.  Adjust all callers.  Find incremental_got_plt section.
273         (Incremental_inputs::create_data_sections): Create incremental_got_plt
274         section.
275         (Output_section_incremental_inputs::set_final_data_size): Calculate
276         size of incremental_got_plt section.
277         (Output_section_incremental_inputs::do_write): Write the
278         incremental_got_plt section.
279         (Got_plt_view_info): New struct.
280         (Local_got_offset_visitor): New class.
281         (Global_got_offset_visitor): New class.
282         (Global_symbol_visitor_got_plt): New class.
283         (Output_section_incremental_inputs::write_got_plt): New function.
284         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
285         Add parameter.  Adjust all callers.
286         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
287         (Incremental_inputs::got_plt_section): New function.
288         (Incremental_inputs::got_plt_section_): New data member.
289         (Incremental_got_plt_reader): New class.
290         * layout.cc (Layout::create_incremental_info_sections): Add the
291         incremental_got_plt section.
292         * object.h (Got_offset_list::get_list): New function.
293         (Got offset_list::for_all_got_offsets): New function.
294         (Sized_relobj::local_got_offset_list): New function.
295         * powerpc.cc (Target_powerpc::got_size): Add const.
296         (Target_powerpc::got_entry_count): New function.
297         (Target_powerpc::plt_entry_count): New function.
298         (Target_powerpc::first_plt_entry_offset): New function.
299         (Target_powerpc::plt_entry_size): New function.
300         (Output_data_plt_powerpc::entry_count): New function.
301         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
302         (Output_data_plt_powerpc::get_plt_entry_size): New function.
303         * sparc.cc (Target_sparc::got_size): Add const.
304         (Target_sparc::got_entry_count): New function.
305         (Target_sparc::plt_entry_count): New function.
306         (Target_sparc::first_plt_entry_offset): New function.
307         (Target_sparc::plt_entry_size): New function.
308         (Output_data_plt_sparc::entry_count): New function.
309         (Output_data_plt_sparc::first_plt_entry_offset): New function.
310         (Output_data_plt_sparc::get_plt_entry_size): New function.
311         * symtab.h (Symbol::got_offset_list): New function.
312         (Symbol_table::for_all_symbols): New function.
313         * target.h (Sized_target::got_entry_count): New function.
314         (Sized_target::plt_entry_count): New function.
315         (Sized_target::plt_entry_size): New function.
316         * x86_64.cc (Target_x86_64::got_size): Add const.
317         (Target_x86_64::got_entry_count): New function.
318         (Target_x86_64::plt_entry_count): New function.
319         (Target_x86_64::first_plt_entry_offset): New function.
320         (Target_x86_64::plt_entry_size): New function.
321         (Output_data_plt_x86_64::entry_count): New function.
322         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
323         (Output_data_plt_x86_64::get_plt_entry_size): New function.
325 2010-08-12  Cary Coutant  <ccoutant@google.com>
327         * archive.cc: Include incremental.h.
328         (Archive::Archive): Initialize incremental_info_.
329         (Archive::include_member): Record archive members in incremental info.
330         (Add_archive_symbols::run): Record begin and end of an archive in
331         incremental info.
332         (Lib_group::include_member): Record objects in incremental info.
333         * archive.h (Incremental_archive_entry): Forward declaration.
334         (Archive::set_incremental_info): New member function.
335         (Archive::incremental_info): New member function.
336         (Archive::Unused_symbol_iterator): New class.
337         (Archive::unused_symbols_begin): New member function.
338         (Archive::unused_symbols_end): New member function.
339         (Archive::incremental_info_): New data member.
340         * incremental-dump.cc (find_input_containing_global): New function.
341         (dump_incremental_inputs): Dump new incremental info sections.
342         * incremental.cc: Include symtab.h.
343         (Output_section_incremental_inputs): New class.
344         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
345         new incremental info sections.
346         (Sized_incremental_binary::do_check_inputs): Likewise.
347         (Incremental_inputs::report_archive): Remove.
348         (Incremental_inputs::report_archive_begin): New function.
349         (Incremental_inputs::report_archive_end): New function.
350         (Incremental_inputs::report_object): New function.
351         (Incremental_inputs::finalize_inputs): Remove.
352         (Incremental_inputs::report_input_section): New function.
353         (Incremental_inputs::report_script): Rewrite.
354         (Incremental_inputs::finalize): Do nothing but finalize string table.
355         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
356         (Incremental_inputs::sized_create_inputs_section_data): Remove.
357         (Incremental_inputs::create_data_sections): New function.
358         (Incremental_inputs::relocs_entsize): New function.
359         (Output_section_incremental_inputs::set_final_data_size): New function.
360         (Output_section_incremental_inputs::do_write): New function.
361         (Output_section_incremental_inputs::write_header): New function.
362         (Output_section_incremental_inputs::write_input_files): New function.
363         (Output_section_incremental_inputs::write_info_blocks): New function.
364         (Output_section_incremental_inputs::write_symtab): New function.
365         * incremental.h (Incremental_script_entry): Forward declaration.
366         (Incremental_object_entry): Forward declaration.
367         (Incremental_archive_entry): Forward declaration.
368         (Incremental_inputs): Forward declaration.
369         (Incremental_inputs_header_data): Remove.
370         (Incremental_inputs_header): Remove.
371         (Incremental_inputs_header_write): Remove.
372         (Incremental_inputs_entry_data): Remove.
373         (Incremental_inputs_entry): Remove.
374         (Incremental_inputs_entry_write): Remove.
375         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
376         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
377         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
378         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
379         Likewise.
380         (Incremental_input_entry): New class.
381         (Incremental_script_entry): New class.
382         (Incremental_object_entry): New class.
383         (Incremental_archive_entry): New class.
384         (Incremental_inputs::Incremental_inputs): Initialize new data members.
385         (Incremental_inputs::report_inputs): Remove.
386         (Incremental_inputs::report_archive): Remove.
387         (Incremental_inputs::report_archive_begin): New function.
388         (Incremental_inputs::report_archive_end): New function.
389         (Incremental_inputs::report_object): Change prototype.
390         (Incremental_inputs::report_input_section): New function.
391         (Incremental_inputs::report_script): Change prototype.
392         (Incremental_inputs::get_reloc_count): New function.
393         (Incremental_inputs::set_reloc_count): New function.
394         (Incremental_inputs::create_data_sections): New function.
395         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
396         (Incremental_inputs::inputs_section): New function.
397         (Incremental_inputs::symtab_section): New function.
398         (Incremental_inputs::relocs_section): New function.
399         (Incremental_inputs::get_stringpool): Add const.
400         (Incremental_inputs::command_line): Add const.
401         (Incremental_inputs::inputs): Remove.
402         (Incremental_inputs::command_line_key): New function.
403         (Incremental_inputs::input_file_count): New function.
404         (Incremental_inputs::input_files): New function.
405         (Incremental_inputs::relocs_entsize): New function.
406         (Incremental_inputs::sized_create_inputs_section_data): Remove.
407         (Incremental_inputs::finalize_inputs): Remove.
408         (Incremental_inputs::Input_info): Remove.
409         (Incremental_inputs::lock_): Remove.
410         (Incremental_inputs::inputs_): Change type.
411         (Incremental_inputs::inputs_map_): Remove.
412         (Incremental_inputs::current_object_entry_): New data member.
413         (Incremental_inputs::inputs_section_): New data member.
414         (Incremental_inputs::symtab_section_): New data member.
415         (Incremental_inputs::relocs_section_): New data member.
416         (Incremental_inputs::reloc_count_): New data member.
417         (Incremental_inputs_reader): New class.
418         (Incremental_symtab_reader): New class.
419         (Incremental_relocs_reader): New class.
420         * layout.cc (Layout::finalize): Move finalization of incremental info
421         and creation of incremental info sections to follow finalization of
422         symbol table.  Set offsets for postprocessing sections.
423         (Layout::create_incremental_info_sections): Call
424         Incremental_inputs::create_data_sections.  Add incremental symtab
425         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
426         sections to layout after input sections.
427         * layout.h (struct Timespec): Forward declaration.
428         (Layout::incremental_inputs): Add const.
429         (Layout::create_incremental_info_sections): Add parameter.
430         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
431         * object.cc: Include incremental.h.
432         (Relobj::finalize_incremental_relocs): New function.
433         (Sized_relobj::do_layout): Record input sections in incremental info.
434         * object.h (Object::output_section): New function.
435         (Object::output_section_offset): Moved from Relobj.
436         (Object::get_incremental_reloc_base): New function.
437         (Object::get_incremental_reloc_count): New function.
438         (Object::do_output_section): New function.
439         (Object::do_output_section_offset): Moved from Relobj.
440         (Object::do_get_incremental_reloc_base): New function.
441         (Object::do_get_incremental_reloc_count): New function.
442         (Object::Object): Initialize new data members.
443         (Relobj::output_section): Renamed do_output_section and moved to
444         protected.
445         (Relobj::output_section_offset): Moved to Object.
446         (Relobj::do_get_incremental_reloc_base): New function.
447         (Relobj::do_get_incremental_reloc_count): New function.
448         (Relobj::allocate_incremental_reloc_counts): New function.
449         (Relobj::count_incremental_reloc): New function.
450         (Relobj::finalize_incremental_relocs): New function.
451         (Relobj::next_incremental_reloc_index): New function.
452         (Relobj::reloc_counts_): New data member.
453         (Relobj::reloc_bases_): New data member.
454         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
455         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
456         (Sized_relobj::incremental_relocs_scan): New function.
457         (Sized_relobj::incremental_relocs_scan_reltype): New function.
458         (Sized_relobj::incremental_relocs_write): New function.
459         (Sized_relobj::incremental_relocs_write_reltype): New function.
460         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
461         incremental link.
462         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
463         archives and object files elsewhere.
464         (Add_symbols::run): Report object files here.
465         (Finish_group::run): Report end of archive at end of group.
466         * reloc.cc: Include layout.h, incremental.h.
467         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
468         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
469         (Sized_relobj::incremental_relocs_scan): New function.
470         (Sized_relobj::incremental_relocs_scan_reltype): New function.
471         (Sized_relobj::do_relocate_sections): Write incremental relocations.
472         (Sized_relobj::incremental_relocs_write): New function.
473         (Sized_relobj::incremental_relocs_write_reltype): New function.
474         * script.cc (read_input_script): Rewrite test for incremental link.
475         Change call to Incremental_inputs::report_script.
476         * symtab.h (Symbol_table::first_global_index): New function.
477         (Symbol_table::output_count): New function.
479 2010-08-12  Doug Kwan  <dougkwan@google.com>
481         * arm.cc (Target_arm::merge_object_attributes): Check command line
482         options --no-wchar-size-warning and --no-enum-size-warning.
483         * options.h (General_options): Add ld-compatible options
484         --no-enum-size-warning and --no-wchar-size-warning.
486 2010-08-04  Ian Lance Taylor  <iant@google.com>
488         * x86_64.cc (Target_x86_64::Scan::local): Use
489         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
490         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
491         (Target_x86_64::Scan::global): Likewise.
492         (Target_x86_64::Relocate::relocate): Likewise.
493         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
494         Likewise.
496 2010-08-03  Cary Coutant  <ccoutant@google.com>
498         * merge.cc (Output_merge_string::do_add_input_section): Count strings
499         to reserve space in merged_strings vector. Keep total input size
500         for stats.
501         (Output_merge_string::do_print_merge_stats): Print total input size.
502         * merge.h (Output_merge_string): Add input_size_ field.
503         * stringpool.cc (Stringpool_template::string_length): Move
504         implementations out of Stringpool_template class and place in
505         stringpool.h.
506         * stringpool.h (string_length): Move out of Stringpool_template.
508 2010-08-03  Ian Lance Taylor  <iant@google.com>
510         PR 11712
511         * layout.cc (relaxation_loop_body): If address of load segment is
512         set, adjust address to include headers if possible.
514 2010-08-03  Ian Lance Taylor  <iant@google.com>
516         * version.cc (version_string): Bump to 1.10.
518 2010-08-03  Ian Lance Taylor  <iant@google.com>
520         PR 11805
521         * layout.h (enum Output_section_order): Define.
522         (class Layout): Update declarations.
523         * layout.cc (Layout::get_output_section): Add order parameter.
524         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
525         is_first_non_relro parameters.  Change all callers.
526         (Layout::choose_output_section): Likewise.
527         (Layout::add_output_section_data): Likewise.
528         (Layout::make_output_section): Likewise.  Set order.
529         (Layout::default_section_order): New function.
530         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
531         * output.cc (Output_section::Output_section): Initialize order_.
532         Don't initialize deleted fields.
533         (Output_segment::Output_segment): Don't initialize deleted
534         fields.
535         (Output_segment::add_output_section_to_load): New function
536         replacing add_output_section.  Change all callers to call this or
537         add_output_section_to_nonload.
538         (Output_segment::add_output_section_to_nonload): New function.
539         (Output_segment::remove_output_section): Rewrite.
540         (Output_segment::add_initial_output_data): Likewise.
541         (Output_segment::has_any_data_sections): Likewise.
542         (Output_segment::is_first_section_relro): Likewise.
543         (Output_segment::maximum_alignment): Likewise.
544         (Output_segment::has_dynamic_reloc): New function replacing
545         dynamic_reloc_count.  Change all callers.
546         (Output_segment::has_dynamic_reloc_list): New function replacing
547         dynamic_reloc_count_list.  Change all callers.
548         (Output_segment::set_section_addresses): Rewrite.
549         (Output_segment::set_offset): Rewrite.
550         (Output_segment::find_first_and_last_list): Remove.
551         (Output_segment::set_tls_offsets): Rewrite.
552         (Output_segment::first_section_load_address): Likewise.
553         (Output_segment::output_section_count): Likewise.
554         (Output_segment::section_with_lowest_load_address): Likewise.
555         (Output_segment::write_section_headers): Likewise.
556         (Output_segment::print_sections_to_map): Likewise.
557         * output.h (class Output_data): Remove dynamic_reloc_count_
558         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
559         (Output_data::add_dynamic_reloc): Rewrite.
560         (Output_data::has_dynamic_reloc): New function.
561         (Output_data::dynamic_reloc_count): Remove.
562         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
563         is_last_relro_, is_first_non_relro_, is_interp_,
564         is_dynamic_linker_section_ fields.  Add order and set_order
565         functions.  Remove is_relro_local, set_is_relro_local,
566         is_last_relro, set_is_last_relro, is_first_non_relro,
567         set_is_first_non_relro functions, is_interp, set_is_interp,
568         is_dynamic_linker_section, and set_is_dynamic_linker_section
569         functions.
570         (class Output_segment): Change Output_data_list from std::list to
571         std:;vector.  Add output_lists_ field.  Remove output_data_ and
572         output_bss_ fields.  Update declarations.
574 2010-08-02  Ian Lance Taylor  <iant@google.com>
576         * arm.cc (Target_arm::gc_process_relocs): Use typename.
577         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
578         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
580 2010-08-02  Ian Lance Taylor  <iant@google.com>
582         PR 11855
583         * script.cc (Script_options::Script_options): Initialize
584         symbol_definitions_ and symbol_references_.
585         (Script_options::add_symbol_assignment): Update
586         symbol_definitions_ and symbol_references_.
587         (Script_options::add_symbol_reference): New function.
588         (script_symbol): New function.
589         * script.h (class Script_options): Add symbol_definitions_ and
590         symbol_references_ fields.
591         (Script_options::referenced_const_iterator): New type.
592         (Script_options::referenced_begin): New function.
593         (Script_options::referenced_end): New function.
594         (Script_options::is_referenced): New function.
595         (Script_options::any_unreferenced): New function.
596         * script-c.h (script_symbol): Declare.
597         * yyscript.y (exp): Call script_symbol.
598         * symtab.cc: Include "script.h".
599         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
600         Change all callers.  Check symbols referenced by scripts.
601         (Symbol_table::add_undefined_symbols_from_command_line): Add
602         layout parameter.  Change all callers.
603         (Symbol_table::do_add_undefined_symbols_from_command_line):
604         Likewise.  Break out loop body.  Check symbols referenced by
605         scripts.
606         (Symbol_table::add_undefined_symbol_from_command_line): New
607         function broken out of
608         do_add_undefined_symbols_from_command_line.
609         * symtab.h (class Symbol_table): Update declarations.
610         * archive.cc: Include "layout.h".
611         (Archive::should_include_member): Add layout parameter.  Change
612         all callers.  Check for symbol mentioned in expression.
613         * archive.h (class Archive): Update declaration.
614         * object.cc (Sized_relobj::do_should_include_member): Add layout
615         parameter.
616         * object.h (Object::should_include_member): Add layout parameter.
617         Change all callers.
618         (Object::do_should_include_member): Add layout parameter.
619         (class Sized_relobj): Update declaration.
620         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
621         parameter.
622         * dynobj.h (class Sized_dynobj): Update declaration.
623         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
624         layout parameter.
625         * plugin.h (class Sized_pluginobj): Update declaration.
627 2010-08-02  Ian Lance Taylor  <iant@google.com>
629         PR 11866
630         * output.cc (Output_segment::set_offset): Search for the first and
631         last sections rather than assuming that the list is in order.
632         (Output_segment::find_first_and_last_list): New function.
633         * output.h (class Output_segment): Update declarations.
634         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
635         (relro_strip_test_SOURCES): New variable.
636         (relro_strip_test_DEPENDENCIES): New variable.
637         (relro_strip_test_LDFLAGS): New variable.
638         (relro_strip_test_LDADD): New variable.
639         (relro_strip_test.so): New target.
641 2010-08-02  Ian Lance Taylor  <iant@google.com>
643         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
644         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
645         (Target_i386::got_tlsdesc_section): New function.
646         (Target_i386::got_section): Create space for GOT entries for
647         TLSDESC relocations.
648         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
649         R_386_TLS_GOTDESC.
650         (Target_i386::Scan::global): Likewise.
651         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
652         using TLSDESC GOT.
653         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
654         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
655         (Target_x86_64::got_tlsdesc_section): New function.
656         (Target_x86_64::got_section): Create space for GOT entries for
657         TLSDESC relocations.
658         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
659         R_386_TLS_GOTDESC.
660         (Target_x86_64::Scan::global): Likewise.
661         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
662         using TLSDESC GOT.
664 2010-08-02  Ian Lance Taylor  <iant@google.com>
666         * testsuite/final_layout.sh: Use dc to convert from hex to
667         decimal.
669 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
671         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
672         paramter to the call to gold::gc_process_relocs.
673         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
674         paramter to the call to gold::gc_process_relocs.
675         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
676         parameter to the call to gold::gc_process_relocs.
677         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
678         template parameter to the call to gold::gc_process_relocs.
679         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
680         paramter to the call to gold::gc_process_relocs.
681         * gc.h (get_embedded_addend_size): New function.
682         (gc_process_relocs): Save the size of the reloc for use by ICF.
683         * icf.cc (get_section_contents): Get the addend from the text section
684         for SHT_REL relocation sections.
685         * icf.h (Icf::Reloc_addend_size_info): New typedef.
686         (Icf::Reloc_info): Add new member reloc_addend_size_info.
687         * int_encoding.h (read_from_pointer): New overloaded function.
688         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
689         * testsuite/icf_sht_rel_addend_test.sh: New file.
690         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
691         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
693 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
695         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
696         * Makefile.in: Regenerate.
697         * testsuite/Makefile.in: Regenerate.
699 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
701         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
702         * gold/testsuite/debug_msg.cc: Likewise.
703         * gold/testsuite/odr_violation1.cc
704         * gold/testsuite/odr_violation2.cc
706 2010-07-21  Cary Coutant  <ccoutant@google.com>
708         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
709         string, and length fields.
710         (Output_merge_string::Merged_strings_list): New type.
711         (Output_merge_string::Merged_strings_lists): New typedef.
712         (Output_merge_string): Replace merged_strings_ with
713         merged_strings_lists_.
714         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
715         Merged_strings_list per input object and section.  Don't store pointer
716         to the string.  Don't store length with each merged string entry.
717         (Output_merge_string::finalize_merged_data): Loop over list of merged
718         strings lists.  Recompute length of each merged string.
720 2010-07-15  Cary Coutant  <ccoutant@google.com>
722         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
723         here.
725 2010-07-14  Ian Lance Taylor  <iant@google.com>
727         * descriptors.cc (Descriptors::open): Report correct name in error
728         message.
730 2010-07-13  Doug Kwan  <dougkwan@google.com>
732         * arm.cc (Arm_input_section::Arm_input_section): For a
733         SHT_ARM_EXIDX section, always keeps the input sections.
734         (Arm_input_section::set_exidx_section_link): New method.
735         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
736         has_errors_ to false.
737         (Arm_exidx_input_section::has_errors,
738         Arm_exidx_input_section::set_has_errors): New methods.
739         (Arm_exidx_input_section::has_errors_): New data member.
740         (Arm_relobj::get_exidx_shndx_list): New method.
741         (Arm_output_section::append_text_sections_to_list): Do not skip
742         section without SHF_EXECINSTR.
743         (Arm_output_section::fix_exidx_coverage): Skip input sections with
744         errors.
745         (Arm_relobj::make_exidx_input_section): Add new parameter for text
746         section header.  Make error messages more verbose.  Check for
747         a non-executable section linked to an EXIDX section.
748         (Arm_relobj::do_read_symbols): Remove error checking, which has been
749         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
750         check that there is no deferred EXIDX section if we exit early.
751         Instead of not making an EXIDX section in case of an error, make one
752         and set the has_errors flag of it.
753         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
754         in a relocatable link.
755         (Target_arm::do_relax): Look for the EXIDX output section instead of
756         assuming that it is called .ARM.exidx.
757         (Target_arm::fix_exidx_coverage): Add a new parameter for input
758         section list.  Do not check for SHF_EXECINSTR section flags but
759         skip any input section with errors.
760         * output.cc (Output_section::Output_section): Initialize
761         always_keeps_input_sections_ to false.
762         (Output_section::add_input_section): Check for
763         always_keeps_input_sections_.
764         *  output.h (Output_section::always_keeps_input_sections,
765         Output_section::set_always_keeps_input_sections): New methods.
766         (Output_section::always_keeps_input_sections): New data member.
768 2010-07-13  Rafael Espindola  <espindola@google.com>
770         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
771         * fileread.h (Input_file): Add try_extra_search_path and find_file.
773 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
774             Ian Lance Taylor  <iant@google.com>
776         * output.h (Output_section_lookup_maps::add_merge_section):
777         Correct check of whether value was inserted.
778         (Output_section_lookup_maps::add_merge_input_section): Likewise.
779         (Output_section_lookup_maps::add_relaxed_input_section):
780         Likewise.
781         * arm.cc (Target_arm::got_section): Remove used local os.
782         * i386.cc (Target_i386::got_section): Likewise.
783         * x86_64.cc (Target_x86_64::got_section): Likewise.
784         * sparc.cc (Target_sparc::got_section): Likewise.
785         (Target_sparc::relocate): Remove unused local have_got_offset.
786         * powerpc.cc (Target_powerpc::relocate): Likewise.
788 2010-07-13  Ian Lance Taylor  <iant@google.com>
790         * compressed_output.cc (zlib_decompress): Fix signature in
791         !HAVE_ZLIB_H case.
793         * archive.cc (Archive::include_member): Unlock an external member
794         of a thin archive.  Don't bother to delete an object we know is
795         NULL.
797 2010-07-12  Cary Coutant  <ccoutant@google.com>
799         * compressed_output.cc (zlib_decompress): New function.
800         (get_uncompressed_size): New function.
801         (decompress_input_section): New function.
802         * compressed_output.h (get_uncompressed_size): New function.
803         (decompress_input_section): New function.
804         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
805         Handle compressed debug sections.
806         * layout.cc (is_compressed_debug_section): New function.
807         (Layout::output_section_name): Map compressed section names to
808         canonical names.
809         * layout.h (is_compressed_debug_section): New function.
810         (is_debug_info_section): Recognize compressed debug sections.
811         * merge.cc: Include compressed_output.h.
812         (Output_merge_data::do_add_input_section): Handle compressed
813         debug sections.
814         (Output_merge_string::do_add_input_section): Handle compressed
815         debug sections.
816         * object.cc: Include compressed_output.h.
817         (Sized_relobj::Sized_relobj): Initialize new data members.
818         (build_compressed_section_map): New function.
819         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
820         * object.h (Object::section_is_compressed): New method.
821         (Object::do_section_is_compressed): New method.
822         (Sized_relobj::Compressed_section_map): New type.
823         (Sized_relobj::do_section_is_compressed): New method.
824         (Sized_relobj::compressed_sections_): New data member.
825         * output.cc (Output_section::add_input_section): Handle compressed
826         debug sections.
827         * reloc.cc: Include compressed_output.h.
828         (Sized_relobj::write_sections): Handle compressed debug sections.
830 2010-07-08  Cary Coutant  <ccoutant@google.com>
832         * resolve.cc (Symbol_table::resolve): Remember whether undef was
833         weak when resolving to a dynamic def.
834         (Symbol_table::should_override): Add adjust_dyndef flag; set it
835         for weak undef/dynamic def cases. Adjust callers.
836         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
837         undef_binding_weak_.
838         (Symbol_table::sized_write_globals): Adjust symbol binding.
839         (Symbol_table::sized_write_symbol): Add binding parameter.
840         * symtab.h (Symbol::set_undef_binding): New method.
841         (Symbol::is_undef_binding_weak): New method.
842         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
843         (Symbol_table::should_override): Add new parameter.
844         (Symbol_table::sized_write_symbol): Add new parameter.
846         * testsuite/weak_undef_file1.cc: Add new test case.
847         * testsuite/weak_undef_file2.cc: Fix header comment.
848         * testsuite/weak_undef_test.cc: Add new test case.
850 2010-06-29  Doug Kwan  <dougkwan@google.com>
852         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
853         Initialize USE_SYMBOL_.
854         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
855         definition.
856         (Arm_reloc_property::uses_symbol_): New data member declaration.
857         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
858         uses symbol value and symbol is undefined but not weakly undefined.
860 2010-06-28  Rafael Espindola  <espindola@google.com>
862         * plugin.cc (Plugin::load): Use dlerror.
864 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
866         * symtab.cc (detect_odr_violations): When reporting an ODR
867         violation, report an object where the symbol is defined.
869 2010-06-25  Doug Kwan  <dougkwan@google.com>
871         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
872         (Target_arm::section_may_have_icf_unsafe_pointers): New method
873         definition.
874         (Target_arm::Scan::local_reloc_may_be_function_pointer,
875         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
876         target hook to detect function points.
877         (Target_arm::Scan::possible_function_pointer_reloc): New method.
878         * icf.h (Icf::check_section_for_function_pointers): Change type of
879         parameter SECTION_NAME to const reference to std::string.  Use
880         target hook to determine if section may have unsafe pointers.
881         * target.h (Target::section_may_have_icf_unsafe_pointers): New
882         method definition.
884 2010-06-21  Rafael Espindola  <espindola@google.com>
886         * fileread.cc (Input_file::find_fie): New
887         (Input_file::open): Use Input_file::find_fie.
888         * fileread.h (Input_file::find_fie): New
889         * plugin.cc (set_extra_library_path): New.
890         (Plugin::load): Add set_extra_library_path to the transfer vector.
891         (Plugin_manager::set_extra_library_path): New.
892         (Plugin_manager::add_input_file): Use the extra search path if set.
893         (set_extra_library_path(): New.
894         * plugin.h (Plugin_manager): Add set_extra_library_path and
895         extra_search_path_.
897 2010-06-19  Cary Coutant  <ccoutant@google.com>
899         * layout.cc (gdb_sections): Add .debug_types.
900         (lines_only_debug_sections): Likewise.
902 2010-06-18  Rafael Espindola  <espindola@google.com>
904         * plugin.cc (add_input_file,add_input_library)
905         (Plugin_manager::add_input_file): Make filename arguments const.
906         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
907         const.
909 2010-06-16  Doug Kwan  <dougkwan@google.com>
911         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
912         .ARM.attributes section if we have not merged any input
913         attributes sections.
915 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
917         * arm.cc: Allow combining objects with no EABI version
918         information.
920 2010-06-15  Rafael Espindola  <espindola@google.com>
922         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
924 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
926         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
927         (struct iovec): Correct !HAVE_READV definition.
929 2010-06-10  Cary Coutant  <ccoutant@google.com>
931         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
932         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
933         reloc sections.
934         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
936         PR 11683
937         * symtab.h (Symbol::is_placeholder): New member function.
938         * target-reloc.h (relocate_section): Check for placeholder symbols.
940         * testsuite/Makefile.am (plugin_test_8): New test.
941         (plugin_test_9): New test.
942         * testsuite/Makefile.in: Regenerate.
944 2010-06-09  Nick Clifton  <nickc@redhat.com>
946         * yyscript.y (input_list_element): Allow strings prefixed with
947         the '-' character.  Treat these as libraries.
948         * script.cc (script_add_library): New function.  Adds a library
949         specified by "-l<name>" found in an input script.
950         * script-c.h: Add prototype for script_add_library.
952 2010-06-07  Doug Kwan  <dougkwan@google.com>
954         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
955         Restrict stub-group size to be within long conditional branch
956         range when working around cortex-A8 erratum.
958 2010-06-07  Damien Diederen  <dd@crosstwine.com>
960         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
961         #ifdef typo.
963 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
965         PR gold/11658
966         * output.cc
967         (Output_section::Input_section_sort_entry::compare_section_ordering):
968         Change to return non-zero correctly.
969         (Output_section::Input_section_sort_section_order_index_compare
970         ::operator()): Change to fix ambiguity in comparisons.
972 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
974         * gold.h (is_wildcard_string): New function.
975         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
976         (Layout::layout_eh_frame): Ditto.
977         (Layout::find_section_order_index): New method.
978         (Layout::read_layout_from_file): New method.
979         * layout.h (Layout::find_section_order_index): New method.
980         (Layout::read_layout_from_file): New method.
981         (Layout::input_section_position_): New private member.
982         (Layout::input_section_glob_): New private member.
983         * main.cc (main): Call read_layout_from_file here.
984         * options.h (--section-ordering-file): New option.
985         * output.cc (Output_section::input_section_order_specified_): New
986         member.
987         (Output_section::Output_section): Initialize new member.
988         (Output_section::add_input_section): Add new parameter.
989         Keep input sections when --section-ordering-file is used.
990         (Output_section::set_final_data_size): Sort input sections when
991         section ordering file is specified.
992         (Output_section::Input_section_sort_entry): Add new parameter.
993         Check sorting type.
994         (Output_section::Input_section_sort_entry::compare_section_ordering):
995         New method.
996         (Output_section::Input_section_sort_compare::operator()): Change to
997         consider section_order_index.
998         (Output_section::Input_section_sort_init_fini_compare::operator()):
999         Change to consider section_order_index.
1000         (Output_section::Input_section_sort_section_order_index_compare
1001         ::operator()): New method.
1002         (Output_section::sort_attached_input_sections): Change to sort
1003         according to section order when specified.
1004         (Output_section::add_input_section<32, true>): Add new parameter.
1005         (Output_section::add_input_section<64, true>): Add new parameter.
1006         (Output_section::add_input_section<32, false>): Add new parameter.
1007         (Output_section::add_input_section<64, false>): Add new parameter.
1008         * output.h (Output_section::add_input_section): Add new parameter.
1009         (Output_section::input_section_order_specified): New
1010         method.
1011         (Output_section::set_input_section_order_specified): New method.
1012         (Input_section::Input_section): Initialize section_order_index_.
1013         (Input_section::section_order_index): New method.
1014         (Input_section::set_section_order_index): New method.
1015         (Input_section::section_order_index_): New member.
1016         (Input_section::Input_section_sort_section_order_index_compare): New
1017         struct.
1018         (Output_section::input_section_order_specified_): New member.
1019         * script-sections.cc (is_wildcard_string): Delete and move modified
1020         method to gold.h.
1021         (Output_section_element_input::Output_section_element_input): Modify
1022         call to is_wildcard_string.
1023         (Output_section_element_input::Input_section_pattern
1024         ::Input_section_pattern): Ditto.
1025         (Output_section_element_input::Output_section_element_input): Ditto.
1026         * testsuite/Makefile.am (final_layout): New test case.
1027         * testsuite/Makefile.in: Regenerate.
1028         * testsuite/final_layout.cc: New file.
1029         * testsuite/final_layout.sh: New file.
1031 2010-06-01  Rafael Espindola  <espindola@google.com>
1033         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1035 2010-06-01  Rafael Espindola  <espindola@google.com>
1037         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1038         visibility of symbols.
1040 2010-05-27  Doug Kwan  <dougkwan@google.com>
1042         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1043         from start of output section instead of address for a local symbol
1044         in a merged or relaxed section when doing a relocatable link.
1046 2010-05-26  Rafael Espindola  <espindola@google.com>
1048        PR 11604
1049         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1050         adding sections the garbage collector removed.
1051         * gold/testsuite/Makefile.am: Add test.
1052         * gold/testsuite/Makefile.in: Regenerate.
1053         * gold/testsuite/plugin_test_7.sh: New.
1054         * gold/testsuite/plugin_test_7_1.c: New.
1055         * gold/testsuite/plugin_test_7_2.c: New.
1057 2010-05-26  Rafael Espindola  <espindola@google.com>
1059         * script-sections.cc (Output_section_definition::set_section_addresses):
1060         Check for --section-start.
1062 2010-05-26  Doug Kwan  <dougkwan@google.com>
1064         * arm.cc (Arm_scan_relocatable_relocs): New class.
1065         (Target_arm::relocate_special_relocatable): New method.
1066         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1067         (Arm_relocate_functions::thumb_branch_common): Same.
1068         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1069         instead of Default_scan_relocatable_relocs.
1070         * target-reloc.h (relocate_for_relocatable): Let target handle
1071         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1072         * target.h (Sized_target::relocate_special_relocatable): New method.
1074 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1076         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1078 2010-05-23  Doug Kwan  <dougkwan@google.com>
1080         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1081         instead of a cast.
1082         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1083         with a direct branch, not a conditional branch, to a stub.
1084         * merge.cc (Output_merge_base::record_input_section): New method
1085         defintion.
1086         (Output_merge_data::do_add_input_section): Record input section if
1087         keeps-input-sections flag is set.
1088         (Output_merge_string::do_add_input_section): Ditto.
1089         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1090         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1091         INPUT_SECTIONS_.
1092         (Output_merge_base::keeps_input_sections,
1093         Output_merge_base::set_keeps_input_sections,
1094         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1095         method definitions.
1096         (Output_merge_base::Input_sections): New type declaration.
1097         (Output_merge_base::input_sections_begin,
1098         Output_merge_base::input_sections_end,
1099         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1100         (Output_merge_base::bool keeps_input_sections_,
1101         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1102         Output_merge_base::input_sections_): New data members.
1103         (Output_merge_data::do_set_keeps_input_sections): New method
1104         defintion.
1105         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1106         * output.cc (Output_section::Input_section::relobj): Move method
1107         defintion from class declaration to here and handle merge sections.
1108         (Output_section::Input_section::shndx): Ditto.
1109         (Output_section::Output_section): Remove initializations of removed
1110         data members and initialize new data member LOOKUP_MAPS_.
1111         (Output_section::add_input_section): Set keeps-input-sections flag
1112         for a newly created merge output section as appropriate.  Adjust code
1113         to use Output_section_lookup_maps class.
1114         (Output_section::add_relaxed_input_section): Adjst code for lookup
1115         maps code refactoring.
1116         (Output_section::add_merge_input_section): Add a new parameter
1117         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1118         class.  If adding input section to a newly created merge output
1119         section fails, remove the new merge section.
1120         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1121         Adjust code for use of the Output_section_lookup_maps class.
1122         (Output_section::find_merge_section): Ditto.
1123         (Output_section::build_lookup_maps): New method defintion.
1124         (Output_section::find_relaxed_input_section): Adjust code to use
1125         Output_section_lookup_maps class.
1126         (Output_section::get_input_sections): Export merge sections.  Adjust
1127         code to use Output_section_lookup_maps class.
1128         (Output_section:::add_script_input_section): Adjust code to use
1129         Output_section_lookup_maps class.  Update lookup maps for merge
1130         sections also.
1131         (Output_section::discard_states): Use Output_section_lookup_maps.
1132         (Output_section::restore_states): Same.
1133         * output.h (Merge_section_properties): Move class defintion out of
1134         Output_section.
1135         (Output_section_lookup_maps): New class.
1136         (Output_section::Input_section::is_merge_section): New method
1137         defintion.
1138         (Output_section::Input_section::relobj): Move defintion out of class
1139         defintion.  Declare method only.
1140         (Output_section::Input_section::shndx): Ditto.
1141         (Output_section::Input_section::output_merge_base): New method defintion.
1142         (Output_section::Input_section::u2_.pomb): New union field.
1143         (Output_section::Merge_section_by_properties_map,
1144         Output_section::Output_section_data_by_input_section_map,
1145         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1146         Remove types.
1147         (Output_section::add_merge_input_section): Add new parameter
1148         KEEPS_INPUT_SECTIONS.
1149         (Output_section::build_lookup_maps): New method declaration.
1150         (Output_section::merge_section_map_,
1151         Output_section::merge_section_by_properties_map_,
1152         Output_section::relaxed_input_section_map_,
1153         Output_section::is_relaxed_input_section_map_valid_): Remove data
1154         members.
1155         (Output_section::lookup_maps_): New data member.
1157 2010-05-21  Doug Kwan  <dougkwan@google.com>
1159         PR gold/11619
1160         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1161         avoid a compilation error.
1163 2010-05-19  Rafael Espindola  <espindola@google.com>
1165         * script-sections.cc (Output_section_definition::allocate_to_segment):
1166         Update the phdrs_list even when the output section is NULL.
1167         * testsuite/Makefile.am: Add test.
1168         * testsuite/Makefile.in: Regenerate.
1169         * testsuite/script_test_9.cc: New.
1170         * testsuite/script_test_9.sh: New.
1171         * testsuite/script_test_9.t: New.
1173 2010-05-19  Doug Kwan  <dougkwan@google.com>
1175         * arm.cc (Arm_input_section::original_size): New method.
1176         (Arm_input_section::do_addralign): Add a cast.
1177         (Arm_input_section::do_output_offset): Remove static cast.
1178         (Arm_input_section::original_addralign,
1179          Arm_input_section::original_size_): Change type to uint32_t.
1180         (Arm_input_section::init): Add safe casts for section alignment
1181         and size.
1182         (Arm_input_section::set_final_data_size): Do not set address and
1183         offset of stub table.
1184         (Arm_output_section::fix_exidx_coverage): Change use of of
1185         Output_section::Simple_input_section to that of
1186         Output_section::Input_section.
1187         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1188         except for the first pass.
1189         * output.cc (Output_section::get_input_sections): Change type of
1190         input_sections to std::list<Input_section>.
1191         (Output_section::add_script_input_section): Rename from
1192         Output_section::add_simple_input_section.  Change type of SIS
1193         parameter from Simple_input_section to Input_section.
1194         * output.h (Output_section::Simple_input_section): Remove class.
1195         (Output_section::Input_section): Change class visibility to public.
1196         (Output_section::Input_section::addralign): Use stored alignments
1197         for special input sections if set.
1198         (Output_section::Input_section::set_addralign): New method.
1199         (Output_section::get_input_sections): Change parameter type from
1200         list of Simple_input_section to list of Input_section.
1201         (Output_section::add_script_input_section): Rename from
1202         Output_section::add_simple_input_section. Change first parameter's
1203         type from Simple_input_section to Input_section and remove the
1204         second and third parameters.
1205         * script-sections.cc (Input_section::Input_section_list): Change
1206         type to list of Output_section::Input_section/
1207         (Input_section_info::Input_section_info): Change parameter type of
1208         INPUT_SECTION to Output_section::Input_section.
1209         (Input_section_info::input_section): Change return type.
1210         (Input_section_info::input_section_): Change type to
1211         Output_section::Input_section.
1212         (Output_section_element_input::set_section_addresses): Adjust code
1213         to use Output_section::Input_section instead of
1214         Output_section::Simple_input_section.  Adjust code for renaming
1215         of Output_section::add_simple_input_section.
1216         (Orphan_output_section::set_section_addresses): Ditto.
1218 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1220         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1221         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1223 2010-05-18  Rafael Espindola  <espindola@google.com>
1225         * options.cc (General_options::finalize): Handle -nostdlib.
1226         * options.h (nostdlib): New option.
1227         * script.cc (script_add_search_dir): Handle -nostdlib.
1229 2010-05-12  Doug Kwan  <dougkwan@google.com>
1231         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1232         attributes section only if there no attributes section after merging.
1233         (Target_arm::merge_object_attributes): Move value of
1234         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1235         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1236         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1237         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1238         and arm_attr_merge_7.stdout.
1239         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1240         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1241         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1242         arm_attr_merge_7b.o): New rules.
1243         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1244         arm_attr_merge_7
1245         * testsuite/Makefile.in: Regenerate.
1246         * testsuite/arm_attr_merge.sh: New file.
1247         * testsuite/arm_attr_merge_[67][ab].s: Same.
1249 2010-05-05  Nick Clifton  <nickc@redhat.com>
1251         * po/es.po: Updated Spanish translation.
1253 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1255         * Makefile.am (install-exec-local): Properly install gold as
1256         default cross linker.
1257         * Makefile.in: Regenerated.
1259 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1260             Nick Clifton  <nickc@redhat.com>
1262         * configure.ac (install_as_default): Define and set to false
1263         unless --enable-gold or --enable-gold=both/gold has been
1264         specified.
1265         * configure: Regenerate.
1267         * Makefile.am (install-exec-local): Install the executable as
1268         'ld.gold'.  If install_as_default is true then also install it as
1269         'ld'.
1270         * Makefile.in: Regenerated.
1272 2010-04-24  Ian Lance Taylor  <iant@google.com>
1274         * layout.cc (Layout::layout_reloc): In relocatable link don't
1275         combine reloc sections for grouped sections.
1277 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1279         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1280         sections that are not ordinary to icf.
1281         * icf.cc (get_section_contents): Handle relocation pointing to section
1282         with no object or shndx information.
1283         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1284         * testsuite/Makefile.in: Regenerate.
1285         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1286         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1288 2010-04-22  Ian Lance Taylor  <iant@google.com>
1290         * expression.cc (Expression::Expression_eval_info): Add
1291         result_alignment_pointer field.
1292         (Expression::eval_with_dot): Add result_alignment_pointer
1293         parameter.  Change all callers.
1294         (Expression::eval_maybe_dot): Likewise.
1295         (class Binary_expression): Add alignment_pointer parameter to
1296         left_value and right_value.  Change all callers.
1297         (BINARY_EXPRESSION): Set result alignment.
1298         (class Trinary_expression): Add alignment_pointer parameter to
1299         arg2_value and arg3_value.  Change all callers.
1300         (Trinary_cond::value): Set result alignment.
1301         (Max_expression::value, Min_expression::value): Likewise.
1302         (Align_expression::value): Likewise.
1303         * script-sections.cc (class Sections_element): Add dot_alignment
1304         parameter to set_section_addresses virtual function.  Update
1305         instantiations.
1306         (class Output_section_element): Likewise.
1307         (Script_sections::create_segments): Add dot_alignment parameter.
1308         Change all callers.
1309         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1310         (Script_sections::set_phdrs_clause_addresses): Likewise.
1311         * script-sections.h: Update declarations.
1312         * script.h: Update declarations.
1313         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1314         min_p_align.
1315         * testsuite/script_test_3.t: Set large alignment.
1316         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1317         segment has expected alignment.
1319 2010-04-22  Nick Clifton  <nickc@redhat.com>
1321         * po/gold.pot: Updated by the Translation project.
1322         * po/vi.po: Updated Vietnamese translation.
1324 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1326         * testsuite/Makefile.am (check_PROGRAMS): Add
1327         icf_virtual_function_folding_test.
1328         * testsuite/Makefile.in: Regenerated.
1330 2010-04-15  Andrew Haley  <aph@redhat.com>
1332         * options.h (merge_exidx_entries): New option.
1333         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1334         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1335         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1336         (Target_arm::merge_exidx_entries): New function.
1337         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1338         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1339         to Arm_exidx_fixup constructor.
1340         Add new arg, merge_exidx_entries.
1341         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1342         Arm_output_section::fix_exidx_coverage.
1344 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1346         * icf.cc (get_section_contents): Check for preemptible functions.
1347         Ignore addend when appropriate.
1348         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1349         section folded.
1350         (add_from_relobj): Check for section folded.
1351         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1352         * symtab.h (should_add_dynsym_entry): Add new parameter.
1353         * target-reloc.h (scan_relocs): Check for section folded.
1354         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1355         Check reloc types for function pointers in shared objects.
1356         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1357         case.
1358         (icf_preemptible_functions_test): New test case.
1359         (icf_string_merge_test): New test case.
1360         * testsuite.Makefile.in: Regenerate.
1361         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1362         bar_glob.  Refactor code.
1363         * testsuite/icf_preemptible_functions_test.cc: New file.
1364         * testsuite/icf_preemptible_functions_test.sh: New file.
1365         * testsuite/icf_string_merge_test.cc: New file.
1366         * testsuite/icf_string_merge_test.sh: New file.
1367         * testsuite/icf_virtual_function_folding_test.cc: New file.
1368         * testsuite/icf_virtual_function_folding_test.sh: New file.
1370 2010-04-14  Doug Kwan  <dougkwan@google.com>
1372         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1373         for local symbol recounting if we remove a section due to ICF.
1374         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1375         there are no regular objects in input.
1377 2010-04-13  Doug Kwan  <dougkwan@google.com>
1379         * arm.cc (Arm_input_section::set_final_data_size): Compute
1380         accurate final data size instead of using current data size.
1382 2010-04-09  Doug Kwan  <dougkwan@google.com>
1384         * layout.cc (Layout::choose_output_section): Handle script section
1385         types.
1386         (Layout::make_output_section_for_script): Add section type parameter.
1387         Handle script section types.
1388         * layout.h (Layout::make_output_section_for_script): Add section
1389         type parameter.
1390         * output.cc (Output_section::Output_section): Initialize data member
1391         is_noload_.
1392         (Output_section::do_reset_address_and_file_offset): Do not set address
1393         to 0 if section is a NOLOAD section.
1394         * output.h (Output_section::is_noload): New method.
1395         (Output_section::set_is_noload): Ditto.
1396         (Output_section::is_noload_): New data member.
1397         * script-c.h (Script_section_type): New enum type.
1398         (struct Parser_output_section_header): Add new file section_type.
1399         * script-sections.cc (Sections_element::output_section_name): Add
1400         parameter for returning script section type.
1401         (Output_section_definition::output_section_name): Ditto.
1402         (Output_section_definition::section_type)P; New method.
1403         (Output_section_definiton::script_section_type_name): Ditto.
1404         (Output_section_definition::script_section_type_): New data member.
1405         (Output_section_definition::Output_section_definition): Initialize
1406         data member Output_section_definition::script_section_type_.
1407         (Output_section_definition::create_sections): Pass script section type
1408         to Layout::make_output_section_for_script.
1409         (Output_section_definition::output_section_name): Return script
1410         section type to caller.
1411         (Output_section_definition::set_section_address): Do not advance
1412         dot value and load address if section type is NOLOAD.  Set address
1413         of NOLOAD sections regardless of section flags.
1414         (Output_section_definition::print): Print section type if it is
1415         not SCRIPT_SECTION_TYPE_NONE.
1416         (Output_section_definition::section_type): New method.
1417         (Output_section_definition::script_section_type_name): Ditto.
1418         (Script_sections::output_section_name): Add new parameter
1419         PSECTION_TYPE for returning script section type.  Pass it to
1420         section elements.  Handle discard sections.
1421         (Sort_output_sections::operator()): Handle NOLOAD sections.
1422         * script-sections.h (Script_sections::Section_type): New enum type.
1423         (Script_sections::output_section_name): Add a new parameter for
1424         returning script section type.
1425         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1426         INFO and NOLOAD.
1427         * yyscript.y (union): Add new field SECTION_TYPE.
1428         (COPY, DSECT, INFO, NOLOAD): New tokens.
1429         (opt_address_and_section_type): Change type to output_section_header.
1430         (section_type): New non-terminal
1431         (section_header): Handle section type.
1432         (opt_address_and_section_type): Return section type value.
1434 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1436         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1437         * testsuite/plugin_common_test_2.c (foo): Likewise.
1439 2010-04-08  Doug Kwan  <dougkwan@google.com>
1441         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1442         Output_merge_data.
1443         * output.cc (Output_section::add_merge_input_section): Simplify
1444         code and return status of Output_merge_base::add_input_section.
1445         Update merge section map only if Output_merge_base::add_input_section
1446         returns true.
1448 2010-04-07  Doug Kwan  <dougkwan@google.com>
1450         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1451         if section is marked as containing instructions but has no mapping
1452         symbols.
1453         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1454         correct section index.
1455         (Arm_relobj::find_linked_text_section): Ditto.
1457 2010-04-07  Cary Coutant  <ccoutant@google.com>
1459         * archive.cc (include_member): Destroy Read_symbols_data object before
1460         releasing file.
1461         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1462         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1463         (Read_symbols_data::~Read_symbols_data) New destructor.
1464         (Section_relocs::Section_relocs) New constructor.
1465         (Section_relocs::~Section_relocs) New destructor.
1466         (Read_relocs_data::Read_relocs_data) New constructor.
1467         (Read_relocs_data::~Read_relocs_data) New destructor.
1468         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1469         pointers to NULL after deleting.
1471 2010-04-07  Doug Kwan  <dougkwan@google.com>
1473         * arm.cc: Replace "endianity" with "endianness" in comments.
1474         (Arm_exidx_cantunwind): Ditto.
1475         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1476         (Arm_relobj::merge_flags_and_attributes): New method.
1477         (Arm_relobj::merge_flags_and_attributes_): New data member.
1478         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1479         (Arm_relobj::scan_sections_for_stubs): Ditto.
1480         (Arm_relobj::do_read_symbols): Check to see if we really want to
1481         merge processor-specific flags and attributes.  Exit early if
1482         an object is empty except for section names and the undefined symbol.
1483         (Target_arm::do_finalize_sections): Move check for ELF format to
1484         Arm_relobj::do_read_symbols.  Merge processor specific flags and
1485         attributes from a regular object only when we have determined that
1486         it is aapropriate.  Do not create an .ARM.attributes section in
1487         output if there is no regular input object.
1488         (Target_arm::merge_processor_specific_flags): Check
1489         --warn-mismatch before printing any error.
1490         (Target_arm::merge_object_attributes): Ditto.
1491         * gold.cc (queue_middle_tasks): Handle the case in which there is
1492         no regular object in input.
1493         * options.cc (General_options::parse_EB): New method.
1494         (General_options::parse_EL): Same.
1495         (General_options::General_options): Initialize endianness_.
1496         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1497         New options.
1498         (General_options::Endianness): New enum.
1499         (General_options::endianness): New method.
1500         (General_options::endianness_): New data member.
1501         * parameters.cc (Parameters::set_options): Check target endianness.
1502         (Parameters::set_target_once): Ditto.
1503         (Parameters::check_target_endianness): New method.
1504         (parameters_force_valid_target): If either -EL or -EB is specified,
1505         use it to define endianness of default target.
1506         * parameters.h (Parameters::check_target_endianness): New method
1507         declaration.
1508         * target.h (class Target): Change "endianity" to "endianness"
1509         in comments.
1511 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1513         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1514         * configure: Regenerate.
1515         * Makefile.in: Regenerate.
1516         * testsuite/Makefile.in: Regenerate.
1518 2010-04-06  Cary Coutant  <ccoutant@google.com>
1520         gcc PR lto/42757
1521         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1522         prevailing definitions of common symbols.
1523         * testsuite/plugin_test_6.sh: New test case.
1524         * testsuite/plugin_common_test_1.c: New test case.
1525         * testsuite/plugin_common_test_2.c: New test case.
1526         * testsuite/Makefile.am (plugin_test_6): New test case.
1527         * testsuite/Makefile.in: Regenerate.
1529 2010-04-06  Nick Clifton  <nickc@redhat.com>
1531         * po/vi.po: New Vietnamese translation.
1533 2010-03-30  Doug Kwan  <dougkwan@google.com>
1535         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1537 2010-03-25  Doug Kwan  <dougkwan@google.com>
1539         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1540         to avoid a conversion warning on a 32-bit host.
1542 2010-03-24  Ian Lance Taylor  <iant@google.com>
1544         * testsuite/script_test_3.t: Add a TLS segment.
1545         * testsuite/Makefile.am (check_PROGRAMS): Add
1546         tls_phdrs_script_test.
1547         (tls_phdrs_script_test_SOURCES): Define.
1548         (tls_phdrs_script_test_DEPENDENCIES): Define.
1549         (tls_phdrs_script_test_LDFLAGS): Define.
1550         (tls_phdrs_script_test_LDADD): Define.
1551         * testsuite/Makefile.in: Rebuild.
1553 2010-03-23  Cary Coutant  <ccoutant@google.com>
1555         * fileread.cc (find_or_make_view): Fix comment.
1557 2010-03-23  Ian Lance Taylor  <iant@google.com>
1559         * script-sections.cc (class Orphan_section_placement): Define
1560         PLACE_TLS and PLACE_TLS_BSS.
1561         (Orphan_section_placement::Orphan_section_placement): Initialize
1562         new places.
1563         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1564         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1565         (tls_script_test_SOURCES): Define.
1566         (tls_script_test_DEPENDENCIES): Define.
1567         (tls_script_test_LDFLAGS): Define.
1568         (tls_script_test_LDADD): Define.
1569         * testsuite/Makefile.in: Rebuild.
1571 2010-03-22  Doug Kwan  <dougkwan@google.com>
1573         * arm.cc (Arm_relocate_functions::abs8,
1574         Arm_relocate_functions::abs16): Use correct check for overflow
1575         specified in the ARM ELF specs.
1576         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
1577         target of a BLX instruction specially.
1578         (Reloc_stub::stub_type_for_reloc): Ditto.
1579         (Relocate::relocate): Use symbolic names instead of numeric relocation
1580         codes to report error.
1581         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1582         workaround.
1583         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1584         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1585         thumb2_blx_out_of_range.stdout
1586         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1587         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1588         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1589         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1590         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1591         thumb2_blx_in_range, thumb2_blx_in_range.o,
1592         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1593         thumb2_blx_out_of_range.o): New rules.
1594         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1595         thumb2_blx_in_range and thumb2_blx_out_of_range.
1596         * testsuite/Makefile.in: Regenerate.
1597         * arm_branch_in_range.sh: Add tests for THUMB BLX.
1598         * testsuite/thumb_blx_in_range.s: New file.
1599         * testsuite/thumb_blx_out_of_range.s: New file.
1601 2010-03-22  Rafael Espindola  <espindola@google.com>
1603         * archive.cc (Should_include): Move to archive.h.
1604         (should_include_member): Make it a member of Archive.
1605         (Lib_group): New.
1606         (Add_lib_group_symbols): New.
1607         * archive.h: Include options.h.
1608         (Archive_member): Moved from Archive.
1609         (Should_include): Moved from archive.cc.
1610         (Lib_group): New.
1611         (Add_lib_group_symbols): New.
1612         * dynobj.cc (do_should_include_member): New.
1613         * dynobj.h (do_should_include_member): New.
1614         * gold.cc (queue_initial_tasks): Update call to queue.
1615         * main.cc (main): Print lib group stats.
1616         * object.cc (do_should_include_member): New.
1617         * object.h: Include archive.h.
1618         (Object::should_include_member): New.
1619         (Object::do_should_include_member): New.
1620         (Sized_relobj::do_should_include_member): New.
1621         * options.cc (General_options::parse_start_lib): New.
1622         (General_options::parse_end_lib): New.
1623         (Input_arguments::add_file): Handle lib groups.
1624         (Input_arguments::start_group): Check we are not in a lib.
1625         (Input_arguments::start_lib): New.
1626         (Input_arguments::end_lib): New.
1627         * options.h (General_options): Add start_lib and end_lib.
1628         (Input_argument::lib_): New.
1629         (Input_argument::lib): New.
1630         (Input_argument::is_lib): New.
1631         (Input_file_lib): New.
1632         (Input_arguments::in_lib_): New.
1633         (Input_arguments::in_lib): New.
1634         (Input_arguments::start_lib): New.
1635         (Input_arguments::end_lib_): New.
1636         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1637         in unused members as preempted.
1638         (Sized_pluginobj::do_should_include_member): New.
1639         * plugin.h (Sized_pluginobj::do_should_include_member): New.
1640         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1641         return the blocker.
1642         (Read_symbols::do_whole_lib_group): New.
1643         (Read_symbols::do_lib_group): New.
1644         (Read_symbols::do_read_symbols): Handle lib groups.
1645         (Read_symbols::get_name): Handle lib groups.
1646         * readsyms.h (Read_symbols): Add an archive member pointer.
1647         (Read_symbols::do_whole_lib_group): New.
1648         (Read_symbols::do_lib_group): New.
1649         (Read_symbols::member_): New.
1650         * script.cc (read_input_script): Update call to queue_soon.
1652 2010-03-19  Doug Kwan  <dougkwan@google.com>
1654         * arm.cc (Stub_table::Stub_table): Initialize new data members
1655         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1656         (Stub_table::add_reloc_stub): Assign stub offset and update
1657         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1658         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1659         New data members.
1660         (Stub_table::update_data_size_and_addralign): Use
1661         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1662         instead of going over all reloc stubs.
1663         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1664         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1665         Stringpool_template::offset_ to size of Stringpool_char.
1666         (Stringpool_template::new_key_offset): Remove code to initialize
1667         Stringpool_template::offset_.
1668         * stringpool.h (Stringpool_template::set_no_zero_null): Set
1669         Stringpool_template::offset_ to zero.
1671 2010-03-15  Doug Kwan  <dougkwan@google.com>
1673         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1674         offset_.
1675         (Stringpool_template::new_key_offset): New method.
1676         (Stringpool_template::add_string): Assign offsets when adding new
1677         strings.
1678         (Stringpool_template::set_string_offsets): Do not set string offsets
1679         when not optimizing.
1680         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1681         member size_.
1682         (Chunked_vector::clear): Clear size_.
1683         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1684         (Chunked_vector::size): Return size_.
1685         (Chunked_vector::push_back): Use size_ to find insert position.
1686         (Chunked_vector::size_): New data member.
1687         (Stringpool_template::set_no_zero_null): Assert string set is empty.
1688         (Stringpool_template::new_key_offset): New method declaration.
1689         (Stringpool_template::offset_): New data member.
1691 2010-03-15   Rafael Espindola  <espindola@google.com>
1693         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1694         Add_symbols' constructor.
1695         * readsyms.h (Add_symbols): Remove the input_group member.
1697 2010-03-10  Ian Lance Taylor  <iant@google.com>
1699         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1700         target to ask whether a reference to a symbol requires a stack
1701         split.
1702         * target.h (Target::is_call_to_non_split): New function.
1703         (Target::do_is_call_to_non_split): Declare virtual function.
1704         * target.cc: Include "symtab.h".
1705         (Target::do_is_call_to_non_split): New function.
1706         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1708 2010-03-10  Cary Coutant  <ccoutant@google.com>
1710         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
1711         (File_read::open[1]): Remove initial mapping of whole_file_view_.
1712         (File_read::open[2]): Add whole_file_view_ to list of views.
1713         (File_read::make_view): Remove test of whole_file_view_.
1714         (File_read::find_or_make_view): Create whole_file_view_ if
1715         necessary.
1716         (File_read::clear_views): Replace bool parameter with enum;
1717         adjust all callers.  Don't delete views with permanent data;
1718         do delete cached views and views from archives if
1719         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
1720         if clearing the corresponding view.
1721         * fileread.h (File_read::Clear_views_mode): New enum.
1722         (File_read::View::is_permanent_view): New method.
1723         (File_read::clear_views): Replace bool parameter
1724         with enum; adjust all callers.
1725         * options.h (General_options): Change keep_files_mapped option;
1726         add map_whole_files.
1727         * readsyms.cc (Add_symbols::run): Delete sd_ object before
1728         releasing the file.
1729         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1730         the file.
1732 2010-03-10  David S. Miller  <davem@davemloft.net>
1734         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1736 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
1738         * icf.cc (get_section_contents): Add '@' marker after processing the
1739         merge reloc.
1741 2010-03-08  Doug Kwan  <dougkwan@google.com>
1743         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1744         due to a conversion warning.
1745         (Arm_relobj::update_output_local_symbol_count): Check for local
1746         symbol with unset output index.
1748 2010-03-05  Ian Lance Taylor  <iant@google.com>
1750         * options.h (class General_options): Add --spare-dynamic-tags.
1751         * output.cc (Output_data_dynamic::set_final_data_size): Implement
1752         --spare-dynamic-tags.
1754 2010-03-05  Ian Lance Taylor  <iant@google.com>
1756         * incremental.cc: Include "libiberty.h".
1758 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1760         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
1761         function, is_info_ member.
1762         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
1763         (Versions::Versions): Update caller.
1764         (Versions::define_base_version): Likewise.
1765         (Versions::add_def): Likewise.
1767 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
1769         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
1770         (Scan::possible_function_pointer_reloc): New function.
1771         (Scan::local_reloc_may_be_function_pointer): Change to call
1772         possible_function_pointer_reloc.
1773         (Scan::global_reloc_may_be_function_pointer): Ditto.
1774         * icf.h (Icf::check_section_for_function_pointers): Change to reject
1775         relocations in ".data.rel.ro._ZTV" section.
1776         * testsuite/icf_safe_so_test.sh: Change to pass i386.
1777         * testsuite/icf_safe_so_test.cc: Ditto.
1778         * testsuite/icf_safe_test.cc: Ditto.
1779         * testsuite/icf_safe_test.sh: Ditto.
1781 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1782             Ian Lance Taylor  <iant@google.com>
1784         * target-reloc.h (relocate_section): Check the symbol table index
1785         for -1U before setting the local symbol index.
1786         (scan_relocatable_relocs): If copying the relocation, record that
1787         the local symbol is required.
1788         * object.h (Symbol_value::is_output_symtab_index_set): New
1789         function.
1790         (Symbol_value::may_be_discarded_from_output_symtab): New
1791         function.
1792         (Symbol_value::has_output_symtab_entry): New function.
1793         (Symbol_value::needs_output_symtab_entry): Remove.
1794         (Symbol_value::output_symtab_index): Make sure the symbol index is
1795         set.
1796         (Symbol_value::set_output_symtab_index): Make sure the symbol
1797         index is not set.  Make sure the new index is valid.
1798         (Symbol_value::set_must_have_output_symtab_entry): New function.
1799         (Symbol_value::has_output_dynsym_entry): New function.
1800         (Symbol_value::set_output_dynsym_index): Make sure the new index
1801         is valid.
1802         (Sized_relobj::set_must_have_output_symtab_entry): New function.
1803         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
1804         local symbol if permitted.
1805         (Sized_relobj::do_finalize_local_symbols): Call
1806         is_output_symtab_index_set rather than needs_output_symtab_entry.
1807         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
1808         rather than needs_output_symtab_entry.  Call
1809         has_output_dynsym_entry rather than needs_output_dynsym_entry.
1810         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
1811         is_output_symtab_index_set rather than needs_output_symtab_entry.
1812         * testsuite/discard_locals_relocatable_test.c: New file.
1813         * testsuite/discard_locals_test.sh: Test -r.
1814         * testsuite/Makefile.am (check_DATA): Add
1815         discard_locals_relocatable_test1.syms,
1816         discard_local_relocatable_test2.syms.
1817         (MOSTLYCLEANFILES): Likewise.  Also add
1818         discard_locals_relocatable_test1.lout and
1819         discard_locals_relocatable_test2.out.
1820         (discard_locals_relocatable_test1.syms): New target.
1821         (discard_locals_relocatable_test.o): New target.
1822         (discard_locals_relocatable_test1.out): New target.
1823         (discard_locals_relocatable_test2.syms): New target.
1824         (discard_locals_relocatable_test2.out): New target.
1825         (various): Add missing ../ld-new dependencies.
1826         * testsuite/Makefile.in: Rebuild.
1828 2010-03-03  Nick Clifton  <nickc@redhat.com>
1830         * po/fi.po: New Finnish translation.
1832 2010-03-01  Doug Kwan  <dougkwan@google.com>
1834         * layout.cc (Layout::Layout): Force section types of .init_array*,
1835         .preinit_array* and .fini_array* sections.
1836         * output.cc (Output_section::Input_section_sort_entry::has_priority):
1837         Fix check of return value of std::string::find.().
1838         (Output_section::Input_section_sort_compare::operator()): Remove
1839         comment about .init_array.
1840         (Output_section::Input_section_sort_init_fini_compare::operator()):
1841         New method.
1842         (Output_section::sort_attached_input_sections): Handle .init_array
1843         and .fini_array specially.
1844         * output.h (Output_section::Inut_section_sort_compare): Update
1845         comment.
1846         (Output_section::Input_section_sort_init_fini_compare): New struct.
1848 2010-02-26  Doug Kwan  <dougkwan@google.com>
1850         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
1851         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
1852         * testsuite/debug_msg.sh: Avoid matching source line number for
1853         use of global variable undef_int.
1855 2010-02-26  Doug Kwan  <dougkwan@google.com>
1857         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
1858         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
1859         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
1860         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
1861         * options.cc (General_options::General_options): Initialize member
1862         fix_v4bx_.
1863         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
1864         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
1865         and rm_no_fix_v4bx.stdout
1866         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
1867         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1868         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1869         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1870         and arm_no_fix_v4bx.
1871         * Makefile.in: Regenerate.
1872         * testsuite/arm_fix_v4bx.s: New file.
1873         * testsuite/arm_fix_v4bx.sh: Ditto.
1875 2010-02-24  Doug Kwan  <dougkwan@google.com>
1877         * arm.cc (Target_arm::got_section): Make the .got section the first
1878         non RELRO section in the data segment.
1879         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1880         suffixes of section names.
1882 2010-02-24  Doug Kwan  <dougkwan@google.com>
1884         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1885         flags and attributes merging if an input file is a binary file.
1886         * fileread.cc (Input_file::open): Record format of original file.
1887         * fileread.h (Input_file::Format): New enum type.
1888         (Input_file::Input_file): Initialize data member format_.
1889         (Input_file::format): New method definition.
1890         (Input_file::format_):: New data member.
1892 2010-02-24  Doug Kwan  <dougkwan@google.com>
1894         * arm.cc (Arm_output_data_got): New class.
1895         (ARM_TCB_SIZE): New constant
1896         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1897         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1898         If user uses a script with a SECTIONS clause, issue only a warning
1899         for a misplaced EXIDX input section.  Otherwise, issue an error.
1900         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1901         garbage collection.
1902         (Target_arm::got_mode_index_entry): Handle static linking.
1903         (Target_arm::Scan::local): Ditto.
1904         (Target_arm::Scan::global): Ditto.
1905         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
1906         all incorrectly implemented relocations.
1907         (Target_arm::fix_exidx_coverage): Pass layout to
1908         Arm_output_section::fix_exidx_coverage.
1909         * layout.cc (Layout::section_name_mapping): Remove trailing dots
1910         from ".ARM.exidx." and ".ARM.extab.".
1912 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1914         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1915         section if it does not already exist.
1916         * attributes.cc (Attributes_section_data::Attributes_section_data):
1917         Don't crash if size is zero.
1919 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1920             Ian Lance Taylor  <iant@google.com>
1922         * gold.cc (queue_middle_tasks): If no input files were opened,
1923         exit.
1924         * workqueue.h (Task_function::Task_function): Assert that there is
1925         a blocker.
1927 2010-02-22  Doug Kwan  <dougkwan@google.com>
1929         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1930         * icf.cc (get_section_contents): Cast snprintf arguments to long long
1931         types to avoid warnings due to different uint64_t implementations
1932         on different hosts.
1934 2010-02-21  Doug Kwan  <dougkwan@google.com>
1936         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1937         handling of the maximum backward branch offset.
1938         (Arm_relocate_functions::thumb_branch_common): Ditto.
1939         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1940         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1941         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1942         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1943         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1944         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1945         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1946         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1947         thumb_bl_out_of_range thumb_bl_out_of_range.o,
1948         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1949         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1950         thumb2_bl_out_of_range.o): New rules.
1951         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1952         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1953         thumb2_bl_out_of_range
1954         * testsuite/Makefile.in: Regenerate.
1955         * testsuite/arm_bl_in_range.s: New file.
1956         * testsuite/arm_bl_out_of_range.s: Ditto.
1957         * testsuite/arm_branch_in_range.sh: Ditto.
1958         * testsuite/arm_branch_range.t: Ditto.
1959         * testsuite/thumb2_branch_range.t: Ditto.
1960         * testsuite/thumb_bl_in_range.s: Ditto.
1961         * testsuite/thumb_bl_out_of_range.s: Ditto.
1962         * testsuite/thumb_branch_range.t: Ditto.
1964 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1966         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1967         Add reloc offset information.
1968         * icf.cc (get_section_contents): Change iterators to point to the new
1969         vectors. Add reloc offset information to the contents.
1970         * icf.h (Icf::Sections_reachable_info): New typedef.
1971         (Icf::Sections_reachable_list): New typedef.
1972         (Icf::Offset_info): New typedef.
1973         (Icf::Reloc_info): New struct typedef.
1974         (Icf::Reloc_info_list): New typedef.
1975         (Icf::symbol_reloc_list): Delete method.
1976         (Icf::addend_reloc_list): Delete method.
1977         (Icf::section_reloc_list): Delete method.
1978         (Icf::reloc_info_list): New method.
1979         (Icf::reloc_info_list_): New member.
1981 2010-02-19  Doug Kwan  <dougkwan@google.com>
1983         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1984         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1985         * arm.cc (Arm_relocation_functions): New forward declaration.
1986         (Target_arm::Target_arm): Initialize new data members
1987         got_mod_index_offset_ and tls_base_symbol_defined_.
1988         (Target_arm::Relocate::relocate_tls): New method.
1989         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1990          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1991         New methods.
1992         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1993         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1994         (Target_arm::got_mod_index_offset_,
1995         Target_arm::tls_base_symbol_defined_): New data members.
1996         (Target_arm::Scan::local, Target::Scan::global,
1997         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1998         relocations.
2000 2010-02-18  Doug Kwan  <dougkwan@google.com>
2002         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2003         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2004         text section as a parameter becuase some broken tools may not set
2005         the link in section header.
2006         (Target_arm::has_got_section): New method.
2007         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2008         without any mapping symbol as data only.  Remove warning.
2009         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2010         link in its section header, try to discover the link by inspecting the
2011         REL31 relocation at the beginning of the section.
2012         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2013         in error message.
2014         (Target_arm::Scan::global): Treat any reference to the symbol
2015         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2017 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2019         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2020         (Scan::global_reloc_may_be_function_pointer): New function.
2021         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2022         (Scan::global_reloc_may_be_function_pointer): New function.
2023         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2024         (Scan::global_reloc_may_be_function_pointer): New function.
2025         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2026         (Scan::global_reloc_may_be_function_pointer): New function.
2027         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2028         (Scan::global_reloc_may_be_function_pointer): New function.
2029         (Scan::possible_function_pointer_reloc): New function.
2030         (Target_x86_64::can_check_for_function_pointers): New function.
2031         * gc.h (gc_process_relocs): Scan relocation types to determine if
2032         function pointers were taken for targets that support it.
2033         * icf.cc (Icf::find_identical_sections): Include functions for
2034         folding in safe ICF whose pointer is not taken.
2035         * icf.h (Secn_fptr_taken_set): New typedef.
2036         (fptr_section_id_): New member.
2037         (section_has_function_pointers): New function.
2038         (set_section_has_function_pointers): New function.
2039         (check_section_for_function_pointers): New function.
2040         * options.h: Fix comment for safe ICF option.
2041         * target.h (can_check_for_function_pointers): New function.
2042         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2043         Modify icf_safe_test for X86-64.
2044         * testsuite/Makefile.in: Regenerate.
2045         * testsuite/icf_safe_so_test.cc: New file.
2046         * testsuite/icf_safe_so_test.sh: New file.
2047         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2048         (main): Change to take pointer to function kept_func_3.
2049         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2050         folding is done correctly for X86-64.
2052 2010-02-12  David S. Miller  <davem@davemloft.net>
2054         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2055         is_symbolless parameter.
2056         (Output_reloc<SHT_REL>::is_symbolless): New.
2057         (Output_reloc<SHT_REL>::is_symbolless_): New.
2058         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2059         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2060         (Output_reloc<SHT_RELA>::is_symbolless): New.
2061         (Output_data_reloc::add_global): Handle is_symbolless.
2062         (Output_data_reloc::add_global_relative): Likewise.
2063         (Output_data_reloc::add_local): Likewise.
2064         (Output_data_reloc::add_local_relative): Likewise.
2065         (Output_data_reloc::add_symbolless_global_addend): New.
2066         (Output_data_reloc::add_symbolless_local_addend): New.
2067         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2068         is_symbolless.
2069         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2070         instead of ->is_relative_
2071         (Output_reloc::write): Likewise.
2072         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2073         (Output_reloc::write_rel): Simplify.
2075         * sparc.cc (Target_sparc::Scan::local): Use
2076         ->add_symbolless_local_addend as needed.
2077         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2078         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2079         based upon relocation offset.
2081 2010-02-11  Doug Kwan  <dougkwan@google.com>
2083         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2084         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2085         beginning of function.
2086         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2087         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2088         parameter is_32bit in calls to should_apply_static_reloc.
2089         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2090         (check_DATA): Add arm_abs_global.stdout.
2091         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2092         arm_abs_global.stdout): New rules.
2093         (MOSTLLYCLEANFILES): Add arm_abs_global
2094         * Makefile.in: Regenerate.
2095         * testsuite/arm_abs_global.s: New file.
2096         * testsuite/arm_abs_global.sh: Ditto.
2097         * testsuite/arm_abs_lib.s: Ditto.
2099 2010-02-11  Ian Lance Taylor  <iant@google.com>
2101         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2102         Read_relocs task.
2103         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2104         Allocate_commons_task first.
2105         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2106         task, rather than symtab_lock_.
2107         (Gc_process_relocs::~Gc_process_relocs): New function.
2108         (Gc_process_relocs::is_runnable): Check this_blocker_.
2109         (Gc_process_relocs::locks): Use next_blocker_ rather than
2110         blocker_.
2111         (Scan_relocs::~Scan_relocs): New function.
2112         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2113         symtab_lock_.
2114         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2115         next_blocker_.
2116         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2117         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2118         constructor accordingly.
2119         (class Gc_process_relocs): Likewise.
2120         (class Scan_relocs): Likewise.
2121         * common.h (class Allocate_commons_task): Remove symtab_lock_
2122         field, and corresponding constructor parameter.
2123         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2124         symtab_lock_.
2125         (Allocate_commons_task::locks): Likewise.
2127 2010-02-11  Ian Lance Taylor  <iant@google.com>
2129         * gold-threads.h (class Once): Define.
2130         (class Initialize_lock): Rewrite as child of Once.
2131         * gold-threads.cc (class Once_initialize): Define.
2132         (once_pointer_control): New static variable.
2133         (once_pointer, once_arg): New static variables.
2134         (c_run_once): New static function.
2135         (Once::Once, Once::run_once, Once::internal_run): New functions.
2136         (class Initialize_lock_once): Remove.
2137         (initialize_lock_control): Remove.
2138         (initialize_lock_pointer): Remove.
2139         (initialize_lock_once): Remove.
2140         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2141         (Initialize_lock::initialize): Rewrite.
2142         (Initialize_lock::do_run_once): New function.
2143         * archive.cc (Archive::interpret_header): Only clear name if it is
2144         not already empty.
2145         * fileread.cc: Include "gold-threads.h"
2146         (file_counts_lock): New static variable.
2147         (file_counts_initialize_lock): Likewise.
2148         (File_read::release): Only increment counts when using --stats.
2149         Use a lock around the increment.
2150         * parameters.cc (class Set_parameters_target_once): Define.
2151         (set_parameters_target_once): New static variable.
2152         (Parameters::Parameters): Move here from parameters.h.
2153         (Parameters::set_target): Rewrite.
2154         (Parameters::set_target_once): New function.
2155         (Parameters::clear_target): Move here and rewrite.
2156         * parameters.h (class Parameters): Update declarations.  Add
2157         set_parameters_target_once_ field.
2158         (Parameters::Parameters): Move to parameters.cc.
2159         (Parameters::clear_target): Likewise.
2160         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2161         task.
2162         (Start_group::~Start_group): New function.
2163         (Start_group::is_runnable): New function.
2164         (Start_group::locks, Start_group::run): New functions.
2165         (Finish_group::run): Change saw_undefined to size_t.
2166         * readsyms.h (class Start_group): Define.
2167         (class Finish_group): Change saw_undefined_ field to size_t.
2168         (Finish_group::Finish_group): Remove saw_undefined and
2169         this_blocker parameters.  Change all callers.
2170         (Finish_group::set_saw_undefined): New function.
2171         (Finish_group::set_blocker): New function.
2172         * symtab.h (class Symbol_table): Change saw_undefined to return
2173         size_t.  Change saw_undefined_ field to size_t.
2174         * target-select.cc (Set_target_once::do_run_once): New function.
2175         (Target_selector::Target_selector): Initialize set_target_once_
2176         field.  Don't initialize lock_ and initialize_lock_ fields.
2177         (Target_selector::instantiate_target): Rewrite.
2178         (Target_selector::set_target): New function.
2179         * target-select.h (class Set_target_once): Define.
2180         (class Target_selector): Update declarations.  Make
2181         Set_target_once a friend.  Remove lock_ and initialize_lock_
2182         fields.  Add set_target_once_ field.
2184 2010-02-10  Ian Lance Taylor  <iant@google.com>
2186         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2187         queueing any tasks.
2188         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2189         (queue_middle_tasks): Add all blockers before queueing any tasks.
2190         (queue_final_tasks): Likewise.
2191         * token.h (Task_token::add_blockers): New function.
2192         * object.h (Input_objects::number_of_relobjs): New function.
2194 2010-02-10  Ian Lance Taylor  <iant@google.com>
2196         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2197         shared, not if not position independent.
2198         * x86_64.cc (Relocate::relocate_tls): Likewise.
2199         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2200         (tls_pie_pic_test): New target.
2201         * testsuite/Makefile.in: Rebuild.
2203         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2204         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2205         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2206         * testsuite/Makefile.in: Rebuild.
2208 2010-02-09  David S. Miller  <davem@davemloft.net>
2210         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2211         R_SPARC_RELATIVE using ->add_local_relative().
2212         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2214         * output.h (Output_data_dynamic::add_section_size): New method
2215         that takes two Output_data objects.
2216         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2217         entry param.  Handle it in initializers.
2218         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2219         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2220         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2221         arg.
2222         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2223         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2224         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2225         for dynrel_includes_plt.
2226         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2227         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2228         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2229         before .rela.plt
2230         (Target_sparc::do_finalize_sections): Update to pass true for
2231         dynrel_includes_plt.
2232         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2233         output before .rela.plt
2234         (Target_powerpc::do_finalize_sections): Update to pass true for
2235         dynrel_includes_plt when 32-bit.
2237 2010-02-08  Doug Kwan  <dougkwan@google.com>
2239         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2240         method.
2241         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2242         Arm_relobj::scan_section_for_cortex_a8_stubs,
2243         Arm_relobj::do_relocation_section): Instead of calling
2244         Output_section::output_address, use faster
2245         Arm_relobj::simple_input_section_output_address.
2247 2010-02-08  David S. Miller  <davem@davemloft.net>
2249         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2250         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2251         relocation helper function.
2253         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2254         just like R_SPARC_GOT{10,13,22}.
2255         (Target_sparc::Scan::local): Likewise.
2256         (Target_sparc::Relocate:relocate): Likewise.
2258 2010-02-06  Ian Lance Taylor  <iant@google.com>
2260         * configure.ac: Rewrite targetobjs duplicate removal code to use
2261         only shell constructs.
2262         * configure: Rebuild.
2264 2010-02-05  Doug Kwan  <dougkwan@google.com>
2266         PR 11247
2267         * arm.cc (Arm_relobj::section_is_scannable): New method.
2268         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2269         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2271 2010-02-04  Doug Kwan  <dougkwan@google.com>
2273         PR 11247
2274         * arm-reloc-property.cc (cstdio): Include.
2275         * configure.ac (targetobjs): Remove duplicates.
2276         * configure: Regenerate.
2277         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2278         big and little endian version for a given address size.
2280 2010-02-03  Doug Kwan  <dougkwan@google.com>
2282         * arm-reloc-property.cc
2283         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2284         definition.
2285         * arm-reloc-property.h
2286         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2287         New method definition.
2288         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2289         declaration.
2290         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2291         overflow to N.
2292         (GOT_PREL): Change implemented to Y.
2293         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2294         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2295         (Arm_relocate_functions::movw_abs_nc): Remove method.
2296         (Arm_relocate_functions::movt_abs): Ditto.
2297         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2298         (Arm_relocate_functions::thm_movt_abs): Ditto.
2299         (Arm_relocate_functions::movw_rel_nc): Ditto.
2300         (Arm_relocate_functions::movw_rel): Ditto.
2301         (Arm_relocate_functions::movt_rel): Ditto.
2302         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2303         (Arm_relocate_functions:thm_movw_rel): Ditto.
2304         (Arm_relocate_functions:thm_movt_rel): Ditto.
2305         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2306         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2307         New method definitions.
2308         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2309         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2310         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2311         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2312         (Target_arm::Relocate::relocate): Check for non-static or
2313         unimplemented relocation code and exit early.  Change calls to
2314         Target_arm::reloc_uses_thumb_bit and
2315         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2316         instead.  Refactor code to handle similar relocations to increase
2317         code sharing.  Remove check for unsupported relocation code in switch
2318         statement.
2319         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2320         relocation property table to find out size.  Change error message to
2321         print out the name of a relocation code instead of the numeric value.
2322         (Target_arm::scan_reloc_for_stub): Use relocation property table
2323         instead of calling Target_arm::reloc_uses_thumb_bit().
2325 2010-02-02  Doug Kwan  <dougkwan@google.com>
2327         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2328         types of relaxed input section.
2330 2010-02-02  Doug Kwan  <dougkwan@google.com>
2332         * Makefile.am (HFILES): Add arm-reloc-property.h.
2333         (DEFFILES): New.
2334         (TARGETSOURCES): Add arm-reloc-property.cc
2335         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2336         (libgold_a_SOURCES): $(DEFFILES)
2337         * Makefile.in: Regenerate.
2338         * arm-reloc-property.cc: New file.
2339         * arm-reloc-property.h: New file.
2340         * arm-reloc.def: New file.
2341         * arm.cc: Update comments.
2342         (arm-reloc-property.h): New included header.
2343         (arm_reloc_property_table): New global variable.
2344         (Target_arm::do_select_as_default_target): New method definition.
2345         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2346         arm-reloc-property to targ_extra_obj.
2347         * parameters.cc (set_parameters_target): Call
2348         Target::select_as_default_target().
2349         * target.h (Target::select_as_default_target): New method definition.
2350         (Target::do_select_as_default_target): Same.
2352 2010-02-01  Doug Kwan  <dougkwan@google.com>
2354         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2355         first_output_text_section_.
2356         (Arm_exidx_fixup::first_output_text_section): New method definition.
2357         (Arm_exidx_fixup::first_output_text_section_): New data member.
2358         (Arm_exidx_fixup::process_exidx_section): Record the first text
2359         output section seen.
2360         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2361         and entsize in output section header.
2363 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2365         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2366         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2367         (Arm_relocate_functions::thm_alu11): New Method.
2368         (Arm_relocate_functions::thm_pc8): New Method.
2369         (Arm_relocate_functions::thm_pc12): New Method.
2370         (Target_arm::Scan::local): Handle the relocations.
2371         (Target_arm::Scan::global): Likewise.
2372         (Target_arm::Relocate::relocate): Likewise.
2373         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2375 2010-01-29  Doug Kwan  <dougkwan@google.com>
2377         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2378         of relocation types as ld.
2380 2010-01-29  Doug Kwan  <dougkwan@google.com>
2382         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2383         to public.
2384         (Arm_relocate_functions::thumb_branch_common): Ditto.
2385         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2386         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2387         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2388         Arm_relocate_functions::jump24): Remove.
2389         (Target_arm::Relocate::relocate): Adjust code to call
2390         Arm_relocation_functions::arm_branch_common and
2391         Arm_relocation_functions::thumb_branch_common instead of their removed
2392         wrappers.  Merge switch-cases together to reduce source code size.
2394 2010-01-29  Doug Kwan  <dougkwan@google.com>
2396         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2397         output_local_symbol_count_needs_update_.
2398         (Arm_relobj::output_local_symbol_count_needs_update,
2399          Arm_relobj::set_output_local_symbol_count_needs_update,
2400          Arm_relobj::update_output_local_symbol_count): New methods.
2401         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2402         member.
2403         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2404         of pointed function as in a R_ARM_PREL31 relocation.
2405         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2406         for output local symbol count updating.
2407         (Target_arm::do_relax): Update output local symbol counts in objects
2408         if necessary.
2409         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2411 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2413         * arm.cc: Added support for the ARM relocations:
2414         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2415         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2416         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2417         movw_prel_nc).
2418         (Arm_relocate_functions::movw_rel): New method.
2419         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2420         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2421         thm_movw_prel_nc).
2422         (Arm_relocate_functions::thm_movw_rel): New method.
2423         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2424         thm_movt_prel).
2425         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2426         relocations.
2427         (Target_arm::Scan::global): Likewise.
2428         (Target_arm::Relocate::relocate): Likewise.
2429         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2430         Likewise.
2432 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2434         * arm.cc: Added support for ARM group relocations.
2435         (Target_arm::reloc_needs_sym_origin): New method.
2436         (Arm_relocate_functions::calc_grp_kn): New method.
2437         (Arm_relocate_functions::calc_grp_residual): New method.
2438         (Arm_relocate_functions::calc_grp_gn): New method.
2439         (Arm_relocate_functions::arm_grp_alu): New Method.
2440         (Arm_relocate_functions::arm_grp_ldr): New Method.
2441         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2442         (Arm_relocate_functions::arm_grp_ldc): New Method.
2443         (Target_arm::Scan::local): Handle the ARM group relocations.
2444         (Target_arm::Scan::global): Likewise.
2445         (Target_arm::Relocate::relocate): Likewise.
2446         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2447         Likewise.
2449 2010-01-26  Doug Kwan  <dougkwan@google.com>
2451         * arm.cc (set): Include.
2452         (class Arm_exidx_fixup): Change type of last_input_section_ to const
2453         pointer type.
2454         (Arm_output_section::Text_section_list): New type.
2455         (Arm_output_section::append_text_sections_to_list): New method.
2456         (Arm_output_section::fix_exidx_coverage): Ditto.
2457         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2458         (Arm_relobj::convert_input_section_to_relaxed_section): Use
2459         Relobj::set_section_offset() instead of
2460         Sized_relobj::invalidate_section_offset().
2461         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2462         parameter for section headers. Ignore relocation sections for
2463         unallocated sections and EXIDX sections.
2464         (Target_arm::fix_exidx_coverage): New method.
2465         (Target_arm::output_section_address_less_than): New type.
2466         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2467         linked text section instead of the EXIDX section.
2468         (Arm_output_section::create_stub_group): Add an assertion to check
2469         that this is not an EXIDX output section.
2470         (Arm_output_section::append_text_sections_to_list): New method.
2471         (Arm_output_section::fix_exidx_coverage): Ditto.
2472         (Arm_relobj::scan_sections_for_stubs): Adjust call to
2473         Arm_relobj::section_needs_reloc_stub_scanning.
2474         (Target_arm::do_relax): Fix EXIDX output section coverage in the
2475         first pass.
2476         (Target_arm::fix_exidx_coverage): New method.
2477         * object.h (Relobj::set_output_section): New method.
2478         (Sized_relobj::invalidate_section_offset): Remove method.
2479         (Sized_relobj::do_invalidate_section_offset): Remove method.
2480         (Sized_relobj::do_set_section_offset): Handle offset value -1.
2482 2010-01-25  Doug Kwan  <dougkwan@google.com>
2484         * arm.cc (Arm_exidx_merged_section::do_output_offset):
2485         Fix warning due to signed and unsigned comparison on a 32-bit host.
2487 2010-01-22  Doug Kwan  <dougkwan@google.com>
2489         * arm.cc (Target_arm::do_relax): Record an output section for section
2490         offset adjustment it contains any stub table that has changed.
2491         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2492         offsets in an output section if necessary.
2493         * output.cc (Output_section::Output_section): Initialize
2494         section_offsets_need_adjustments_.
2495         (Output_section::add_input_section_for_script): Renamed to
2496         Output_section::add_simple_input_section.
2497         (Output_section::save_states): Add a comment.
2498         (Output_section::discard_states): New method defintion.
2499         (Output_section::adjust_section_offsets): Same.
2500         * output.h (Output_section::add_input_section_for_script): Renamed to
2501         Output_section::add_simple_input_section.
2502         (Output_section::discard_states): New method declaration.
2503         (Output_section::adjust_section_offsets): Same.
2504         (Output_section::section_offsets_need_adjustment,
2505         Output_section::set_section_offsets_need_adjustment): New method
2506         definitions.
2507         (Output_section::section_offsets_need_adjustment_): New data member.
2508         * script-sections.cc
2509         (Output_section_element_input::set_section_address): Adjust code for
2510         renaming of Output_section::add_input_section_for_script.
2511         (Orphan_output_section::set_section_address): Same.
2513 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2515         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2516         Fix_v4bx enum values .
2517         * gold/options.h (General_options): New option definitions.
2518         (General_options::fix_v4bx): New method.
2519         (General_options::Fix_v4bx): New enum.
2520         * gold/options.cc (General_options::parse_fix_v4bx): New method.
2521         (General_options::parse_fix_v4bx_interworking): New method.
2523 2010-01-22  Doug Kwan  <dougkwan@google.com>
2525         * arm.cc (Arm_exidx_fixup): New class.
2527 2010-01-21  Doug Kwan  <dougkwan@google.com>
2529         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2530         classes.
2531         (Arm_exidx_section_offset_map): New type.
2533 2010-01-21  Doug Kwan  <dougkwan@google.com>
2535         * arm.cc (Arm_exidx_input_section): New class.
2536         (Arm_relobj::exidx_input_section_by_link,
2537         Arm_relobj::exidx_input_section_by_shndx,
2538         Arm_relobj::make_exidx_input_section): New methods.
2539         (read_arm_attributes_section): Remove.
2540         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2541         information about them.
2542         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2543         to here.
2545 2010-01-20  Doug Kwan  <dougkwan@google.com>
2547         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2548         Input_section_specifier to Section_id.
2549         (Target_arm::new_arm_input_section: Adjust code for change of key
2550         type.
2551         (Target_arm::find_arm_input_section): Ditto.
2552         * gc.h (object.h): Include for Section_id nand Section_id_hash.
2553         (Section_id): Remove.
2554         (Garbage_collection::Section_id_hash): Remove.
2555         * icf.h (object.h): Include for Section_id nand Section_id_hash.
2556         (Section_id): Remove.
2557         (Icf::Section_id_hash): Remove.
2558         * object.h (Section_id, Const_section_id, Section_id_hash,
2559         Const_section_id_hash): New type definitions.
2560         * output.cc (Output_section::add_relaxed_input_section): Change to
2561         use Const_section_id instead of Input_section_specifier as key type.
2562         (Output_section::add_merge_input_section): Ditto.
2563         (Output_section::build_relaxation_map): Change to use Section_id
2564         instead of Input_section_specifier as key type.
2565         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2566         Ditto.
2567         (Output_section::convert_input_sections_to_relaxed_sections): Change
2568         to use Const_section_id instead of Input_section_specifier as key type.
2569         (Output_section::find_merge_section): Ditto.
2570         (Output_section::find_relaxed_input_section): Ditto.
2571         * output.h (Input_section_specifier): Remove class.
2572         (Output_section::Output_section_data_by_input_section_map): Change
2573         key type to Const_section_id.
2574         (Output_section::Output_relaxed_input_section_by_input_section_map):
2575         Ditto.
2576         (Output_section::Relaxation_map): Change key type to Section_id.
2578 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2580         * gold/arm.cc: Added support for R_ARM_V4BX relocation
2581         (class Arm_v4bx_stub): New class.
2582         (DEF_STUBS): Updated definition to support v4_veneer_bx.
2583         (Stub_factory::make_arm_v4bx_stub): New method.
2584         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2585         (Stub_table::empty): Handle v4bx stubs.
2586         (Stub_table::add_arm_v4bx_stub): New method.
2587         (Stub_table::find_arm_v4bx_stub): New method.
2588         (Arm_relocate_functions::v4bx): New method.
2589         (Target_arm::fix_v4bx): New method.
2590         (Target_arm::Target_arm): Handle R_ARM_V4BX.
2591         (Stub_table::relocate_stubs): Likewise.
2592         (Stub_table::do_write): Likewise.
2593         (Stub_table::update_data_size_and_addralign): Likewise.
2594         (Stub_table::finalize_stubs):  Likewise.
2595         (Target_arm::Scan::local): Likewise.
2596         (Target_arm::Scan::global): Likewise.
2597         (Target_arm::do_finalize_sections): Likewise.
2598         (Target_arm::Relocate::relocate): Likewise.
2599         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2600         Likewise.
2601         (Target_arm::scan_reloc_for_stub): Likewise.
2602         (Target_arm::scan_reloc_section_for_stubs): Likewise.
2604 2010-01-19  Ian Lance Taylor  <iant@google.com>
2606         * output.cc (Output_section_headers::do_sized_write): Write large
2607         segment count to sh_info field.
2608         (Output_file_header::do_sized_write): For large segment count,
2609         write PN_XNUM to e_phnum field.
2611 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2613         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2614         (Arm_relocate_functions::thm_jump8): New function.
2615         (Arm_relocate_functions::thm_jump11): New function.
2616         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2617         R_ARM_THM_JUMP11.
2618         (Target_arm::Scan::global): Likewise.
2619         (Target_arm::Relocate::relocate): Likewise.
2620         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2621         Likewise.
2623 2010-01-14  Doug Kwan  <dougkwan@google.com>
2625         * arm.cc (map, utility): Include headers.
2626         (Target_arm::apply_cortex_a8_workaround): New method.
2627         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2628         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2629         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2630         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2631         the --[no-]fix-cortex-a8 command line options.
2632         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2633         (Target_arm::relocate_stub): Use addend in instruction template.
2634         * options.h (DEFINE_bool): Set the user-set flag.
2635         (General_options): Add --[no-]-fix-cortex options.
2636         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2637         : Update fast look-up map after conversion.
2639 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
2641         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2642         in the first pass of do_layout.
2644 2010-01-13  Doug Kwan  <dougkwan@google.com>
2646         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2647         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2648         apparent compiler problem of not folding static constant integral
2649         data members of elfcpp::Elf_sizes<32>.
2651 2010-01-13  Doug Kwan  <dougkwan@google.com>
2653         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2654         Arm_relobj::section_needs_cortex_a8_stub_scanning,
2655         Arm_relobj::scan_section_for_cortex_a8_erratum,
2656         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2657         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2658         sections to scan for relocation stubs into a new method
2659         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
2660         relocation and Cortex-A8 stub scanning.
2661         (Target_arm::do_relax): Force stubs to be after stubbed sections
2662         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
2663         the beginning of a new relaxation pass.  Update a comment.
2664         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2666 2010-01-12  Ian Lance Taylor  <iant@google.com>
2668         * target-reloc.h (visibility_error): New inline function.
2669         (relocate_section): Call visibility_error.
2670         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2671         (MOSTLYCLEANFILES): Likewise.
2672         (protected_4_pic.o, protected_3.err): New targets.
2673         * testsuite/protected_4.cc: New file.
2675 2010-01-12  Doug Kwan  <dougkwan@google.com>
2677         * arm.cc (Cortex_a8_reloc): New class.
2678         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2679         and cortex_a8_relocs_info_.
2680         (Target_arm::fix_cortex_a8): New method definition.
2681         (Target_arm::Cortex_a8_relocs_info): New type.
2682         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2683         New data member declarations.
2684         (Target_arm::scan_reloc_for_stub): Record information about
2685         relocations for THUMB branches that might be exempted from the
2686         Cortex-A8 workaround.
2687         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2688         at the beginning of a relaxation pass.
2690 2010-01-12  Doug Kwan  <dougkwan@google.com>
2692         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2693         (Arm_relobj::Mapping_symbol_position,
2694          Arm_reloj::Mapping_symbol_position_less,
2695          Arm_relobj::Mapping_symbols_info): New types.
2696         (Target_arm::is_mapping_symbol_name): New method definition.
2697         (Arm_relobj::do_count_local_symbols): Save information about mapping
2698         symbols.
2700 2010-01-11  Doug Kwan  <dougkwan@google.com>
2702         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2703         Arm_relocate_functions::thumb32_branch_upper,
2704         Arm_relocate_functions::thumb32_branch_lower,
2705         Arm_relocate_functions::thumb32_cond_branch_offset,
2706         Arm_relocate_functions::thumb32_cond_branch_upper,
2707         Arm_relocate_functions::thumb32_cond_branch_lower,
2708         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2709         branch offset encoding.
2710         (Arm_relocate_functions::thumb_branch_common): Use new branch
2711         offset encoding methods to avoid code duplication.
2712         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
2713         (Stub_addend_reader::operator()): Use new branch encoding method
2714         to avoid code duplication.
2716 2010-01-11  Doug Kwan  <dougkwan@google.com>
2718         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
2719         (Target_arm::do_finalize_sections): Define special EXIDX section
2720         symbols only if referenced.
2721         * gc.h (Garbage_collection::add_reference): New method.
2722         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
2723         code duplication.
2725 2010-01-11  Ian Lance Taylor  <iant@google.com>
2727         * script.cc (Version_script_info::build_expression_list_lookup):
2728         Change complaing about duplicate wildcard match from error to
2729         warning.
2731         * script.cc (class Lazy_demangler): Recreate--revert part of patch
2732         of 2009-12-30.
2733         (Version_script_info::Version_script_info): Initialize globs_,
2734         default_version_, default_is_global_, and exact_.  Don't
2735         initialize globals_ or locals_.
2736         (Version_script_info::build_lookup_tables): Build local symbols
2737         first.
2738         (Version_script_info::unquote): New function.
2739         (Version_script_info::add_exact_match): New function.
2740         (Version_script_info::build_expression_list_lookup): Remove lookup
2741         parameter.  Add is_global parameter.  Change all callers.  Handle
2742         wildcard pattern specially.  Unquote pattern.  Call
2743         add_exact_match.
2744         (Version_script_info::get_name_to_match): New function.
2745         (Version_script_info::get_symbol_version): New function.
2746         (Version_script_info::get_symbol_version_helper): Remove.
2747         (Version_script_info::check_unmatched_names): Call unquote.
2748         * script.h (class Version_script_info): Change get_symbol_version
2749         to be non-inline and add is_global parameter; change all callers.
2750         Rewrite symbol_is_local.  Update declarations.  Define struct
2751         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
2752         Remove globals_ and locals_ members.  Add exact_, globs_,
2753         default_version_, is_global_.
2754         (Version_script_info::Glob): Remove pattern, add expression and
2755         is_global.  Update constructor.  Change all callers.
2756         * dynobj.cc (Versions::finalize): Mark the version symbol as the
2757         default version.
2758         (Versions::symbol_section_contents): If a symbol is undefined, or
2759         defined in a dynamic object, set the version index to
2760         VER_NDX_LOCAL.
2761         * symtab.cc (Symbol_table::add_from_relobj): Don't call
2762         symbol_is_local.
2763         (Symbol_table::add_from_pluginobj): Likewise.
2764         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
2766 2010-01-11  Doug Kwan  <dougkwan@google.com>
2768         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
2769         (incremental_dump_LDADD): Add linking option for libintl.
2770         * Makefile.in: Regenerate.
2772 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
2774         PR gold/11144
2775         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
2776         instead of -Ds.
2777         * testsuite/Makefile.in: Regenerated.
2779 2010-01-10  Doug Kwan  <dougkwan@google.com>
2781         * options.h (DEFINE_var): Use parentheses around argument varname__
2782         in macro body to avoid any unintended subsequent substitutions.
2784 2010-01-10  Ian Lance Taylor  <iant@google.com>
2786         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
2787         candidates before doing symbol resolution.
2789         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
2790         ODR candidates if only one is weak.
2792 2010-01-08  Ian Lance Taylor  <iant@google.com>
2794         * script.cc (Version_script_info::build_expression_list_lookup):
2795         Don't warn about ambiguous version, just record the ambiguity.
2796         (Version_script_info::get_symbol_version_helper): Give error if
2797         version is ambiguous.
2799 2010-01-08  Doug Kwan  <dougkwan@google.com>
2801         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
2802           prev_data_size_ and prev_addralign_.  Remove initializer for
2803           deleted data member has_been_changed_.
2804           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
2805           to determine if the table is empty.
2806           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
2807           Remove.
2808           (Stub_table::add_reloc_stub): Define method in class definition
2809           instead of just declaring it there.
2810           (Stub_table::add_cortex_a8_stub): New method definition.
2811           (Stub_table::update_data_size_and_addralign): Ditto.
2812           (Stub_table::finalize_stubs): Ditto.
2813           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
2814           (Stub_table::do_addralign_): Return address alignment in the
2815           (Stub_table::do_reset_address_and_file_offset): Define method in
2816           class definition instead of declaring it there.  Set current data
2817           size to be the data size of the previous pass.
2818           (Stub_table::set_final_data_size): Use current data size as the
2819           final data size.
2820           (Stub_table::relocate_stub): Change parameter type of stub from
2821           Reloc_stub pointer to Stub pointer.
2822           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
2823           (Stub_table::Cortex_a8_stub_list): New typedef.
2824           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
2825            Stub_table::prev_addralign_): New data member.
2826           (Arm_relobj::Arm_relobj): Initialize data member
2827           section_has_cortex_a8_workaround_.
2828           (Arm_relobj::section_has_cortex_a8_workaround,
2829            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
2830            definitions.
2831           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
2832           declarations.
2833           (Target_arm::relocate_stub): Change parameter type of stub from
2834           Reloc_stub pointer to Stub pointer.
2835           (Insn_template::size, Insn_template::alignment): Handle
2836           THUMB16_SPECIAL_TYPE.
2837           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
2838            Stub_table::update_data_size_and_addralign,
2839            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
2840           definitions.
2841           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
2842           (Stub_table::do_write): Ditto.
2843           (Target_arm::do_relax): Adjust code for changes in Stub_table.
2845 2010-01-08  Ian Lance Taylor  <iant@google.com>
2847         PR 11108
2848         * symtab.h (class Symbol): Remove fields is_target_special_ and
2849         has_plt_offset_.  Add field is_defined_in_discarded_section_.
2850         (Symbol::is_defined_in_discarded_section): New function.
2851         (Symbol::set_is_defined_in_discarded_section): New function.
2852         (Symbol::has_plt_offset): Rewrite.
2853         (Symbol::set_plt_offset): Verify that new offset is not -1U.
2854         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
2855         Don't initialize is_target_special_ or has_plt_offset_.
2856         Initialize is_defined_in_discarded_section_.
2857         (Symbol_table::add_from_relobj): If appropriate, set
2858         is_defined_in_discarded_section.
2859         * resolve.cc (Symbol::override_base_with_special): Don't test
2860         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
2861         * target-reloc.h (relocate_section): Do special handling for
2862         symbols defined in discarded sections for global symbols as well
2863         as local symbols.
2865 2010-01-08  Ian Lance Taylor  <iant@google.com>
2867         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2868         the SHT_SYMTAB case.
2870 2010-01-08  Ian Lance Taylor  <iant@google.com>
2872         * object.cc (Sized_relobj::do_layout): Don't get confused if
2873         layout_eh_frame returns NULL.
2875 2010-01-08  Ian Lance Taylor  <iant@google.com>
2877         PR 11084
2878         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2879         dynamic symbol table, use the normal symbol table.
2880         (Sized_dynobj::do_read_symbols): Remove assertion about type of
2881         symbol table.
2883 2010-01-08  Ian Lance Taylor  <iant@google.com>
2885         PR 11072
2886         * layout.cc (Layout::include_section): Remove .gnu_debuglink
2887         sections.
2889 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
2891         * version.cc (print_version): Change to "Copyright 2010".
2893 2010-01-08  Ian Lance Taylor  <iant@google.com>
2895         PR 10287
2896         PR 11063
2897         * i386.cc (class Target_i386): Change return type of plt_section
2898         to be non-const.
2899         (class Output_data_plt_i386): Add tls_desc_rel_ field.
2900         (Output_data_plt_i386::Output_data_plt_i386): Initialize
2901         tls_desc_rel_ field.
2902         (Output_data_plt_i386::rel_tls_desc): New function.
2903         (Target_i386::rel_tls_desc_section): New function.
2904         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2905         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2906         R_386_TLS_DESC reloc in rel_tls_desc_section.
2907         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2908         Define struct Tlsdesc_info.
2909         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2910         (Target_x86_64::do_reloc_symbol_index): New function.
2911         (Target_x86_64::add_tlsdesc_info): New function.
2912         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2913         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2914         tlsdesc_rel_ field.
2915         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
2916         all callers.
2917         (Output_data_plt_x86_64::rela_tlsdesc): New function.
2918         (Target_x86_64::rela_tlsdesc_section): New function.
2919         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2920         handling.
2921         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2922         (Target_x86_64::do_reloc_addend): New function.
2923         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2924         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2925         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
2926         (Output_reloc::type): New function.
2927         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2928         (Output_reloc::is_target_specific): New function.
2929         (Output_reloc::target_arg): New function.
2930         (class Output_reloc) [SHT_RELA]: Add four new constructors for
2931         absolute relocs and target specific relocs.
2932         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2933         add_target_specific.
2934         (class Output_data_reloc) [SHT_RELA]: Likewise.
2935         * output.cc (Output_reloc::Output_reloc): Add four new versions
2936         for absolute relocs and target specific relocs.
2937         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2938         (Output_reloc::get_symbol_index): Likewise.
2939         (Output_reloc::local_section_offset): Check that local_sym_index_
2940         is not TARGET_CODE or 0.
2941         (Output_reloc::symbol_value): Likewise.
2942         (Output_reloc::write) [SHT_RELA]: Call target for target specific
2943         reloc.
2944         * target.h (class Target): Add reloc_symbol_index and reloc_addend
2945         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
2946         functions.
2947         * layout.cc (add_target_dynamic_tags): Use output section for
2948         DT_PLTRELSZ and DT_JMPREL.
2950 2010-01-07  Ian Lance Taylor  <iant@google.com>
2952         PR 11061
2953         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2954         function.
2955         (class Output_data_reloc_generic): Define.
2956         (class Output_data_reloc_base): Change base class to
2957         Output_data_reloc_generic.  Change add() method to call
2958         bump_relative_reloc_count for a relative reloc.  Remove
2959         sort_relocs_ field.
2960         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2961         to sort_relocs().
2962         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2963         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2964         appropriate.
2965         * layout.h (class Layout): Update declaration.
2967 2010-01-07  Ian Lance Taylor  <iant@google.com>
2969         * output.h (class Output_data): Add const version of
2970         output_section and do_output_section.
2971         (class Output_section_data): Add const version of
2972         do_output_section.
2973         (class Output_section): Likewise.
2974         * layout.cc (Layout::add_target_dynamic_tags): New function.
2975         * layout.h (class Layout): Update declarations.
2976         * arm.cc (Target_arm::do_finalize_sections): Use
2977         add_target_dynamic_tags.
2978         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2979         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2980         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2981         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2983 2010-01-07  Ian Lance Taylor  <iant@google.com>
2985         PR 11042
2986         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2987         object as needed.
2989 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2990             Ian Lance Taylor  <iant@google.com>
2992         PR 11019
2993         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2994         Xindex::read_symtab_xindex.
2996 2010-01-07  Doug Kwan  <dougkwan@google.com>
2998         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2999         (Insn_template::thumb16_bcond_insn): New method declaration.
3000         (Insn_template): Fix spelling.
3001         (Stub::thumb16_special): New method declaration.
3002         (Stub::do_write): Define virtual method which was previously pure
3003         virtual.
3004         (Stub::do_thumb16_special): New method declaration.
3005         (Stub::do_fixed_endian_write): New template member.
3006         (Reloc_stub::do_write): Remove.
3007         (Reloc_stub::do_fixed_endian_write): Remove.
3008         (Cortex_a8_stub): New class definition.
3009         (Stub_factory::make_cortex_a8_stub): New method definition.
3010         (Stub_factory::Stub_factory): Add missing static storage class
3011         qualifier for elf32_arm_stub_a8_veneer_blx.
3013 2010-01-07  Ian Lance Taylor  <iant@google.com>
3015         PR 10980
3016         * options.h (class General_options): Add --warn-unresolved-symbols
3017         and --error-unresolved-symbols.
3018         * errors.cc (Errors::undefined_symbol): Implement
3019         --warn-unresolved-symbols.
3021         * options.h (class General_options): Add -z text and -z textoff.
3022         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3024 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3026         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3027         (Garbage_collection::cident_sections): New function.
3028         (Garbage_collection::add_cident_section): New function.
3029         (Garbage_collection::cident_sections_): New member.
3030         (gc_process_relocs): Add references to sections whose names are C
3031         identifiers.
3032         * gold.h (cident_section_start_prefix): New constant.
3033         (cident_section_stop_prefix): New constant.
3034         (is_cident): New function.
3035         * layout.cc (Layout::define_section_symbols): Replace string constants
3036         with the newly defined constants.
3037         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3038         C identifiers.
3039         * testsuite/Makefile.am: Add gc_orphan_section_test.
3040         * testsuite/Makefile.in: Regenerate.
3041         * testsuite/gc_orphan_section_test.cc: New file.
3042         * testsuite/gc_orphan_section_test.sh: New file.
3044 2010-01-06  Ian Lance Taylor  <iant@google.com>
3046         PR 10980
3047         * options.h (class General_options): Add --warn-shared-textrel.
3048         * layout.cc (Layout::finish_dynamic_section): Implement
3049         --warn-shared-textrel.
3051         PR 10980
3052         * options.h (class General_options): Add --warn-multiple-gp.
3054 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3056         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3057         $(THREADSLIB) and $(LIBDL).
3058         * Makefile.in: Rebuild.
3060 2010-01-06  Ian Lance Taylor  <iant@google.com>
3062         PR 10980
3063         * options.cc (General_options::parse_section_start): New function.
3064         (General_options::section_start): New function.
3065         (General_options::General_options): Initialize all members.
3066         * options.h: Include <map>
3067         (class General_options): Add --section-start.  Add section_starts_
3068         member.
3069         * layout.cc (Layout::attach_allocated_section_to_segment): If
3070         --section-start was used, set the address of the segment.  Remove
3071         local sort_sections.
3072         (Layout::relaxation_loop_body): If the address of the load segment
3073         has been set by --section-start, don't use it.
3074         * output.h (Output_segment::update_flags_for_output_section): New
3075         function.
3076         * output.cc (Output_segment::add_output_section): Call
3077         update_flags_for_output_section.
3079 2010-01-05  Ian Lance Taylor  <iant@google.com>
3081         PR 10980
3082         * options.h (class General_options): Add --undefined-version.
3083         * script.cc (struct Version_expression): Add was_matched_by_symbol
3084         field.
3085         (Version_script_info::matched_symbol): New function.
3086         (Version_script_info::get_symbol_version_helper): Call
3087         matched_symbol.
3088         (Version_script_info::check_unmatched_names): New function.
3089         * script.h (class Version_script_info): Update declarations.
3090         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3092         * options.h (class General_options): Use DEFINE_bool_alias for
3093         allow_multiple_definition.
3094         * resolve.cc (Symbol_table::should_override): Don't test
3095         allow_multiple_definition.
3097         PR 10980
3098         * options.h (class General_options): Add --cref.
3099         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3100         until after printing cref table.
3101         * cref.cc: Include "symtab.h".
3102         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3103         (Cref_table_compare::operator()): New function.
3104         (Cref_inputs::gather_cref): New function.
3105         (filecol): New static const.
3106         (Cref_inputs::print_cref): New function.
3107         (Cref::print_cref): New function.
3108         * cref.h: Include <cstdio>.
3109         (class Cref): Update declarations.
3110         * mapfile.h (Mapfile::file): New function.
3111         * object.h (class Object): Define Symbols.  Declare virtual
3112         do_get_global_symbols.
3113         (Object::get_global_symbols): New function.
3114         * object.cc (Input_objects::add_object): Pass object to cref_ if
3115         --cref.
3116         (Input_objects::archive_start): Likewise.
3117         (Input_objects::archive_stop): Likewise.
3118         (Input_objects::print_cref): New function.
3119         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3120         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3121         --cref.
3122         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3123         function.
3124         * plugin.h (class Sized_pluginobj): Update declarations.
3126 2010-01-05  Ian Lance Taylor  <iant@google.com>
3128         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3129         to is_default_version.  Rename insdef to insdefault.
3130         (Symbol_table::add_from_relobj): Rename def to is_default_version
3131         and local to is_forced_local.
3132         (Symbol_table::add_from_pluginobj): Likewise.
3133         (Symbol_table::add_from_dynobj): Likewise.
3134         (Symbol_table::define_special_symbol): Rename insdef to
3135         insdefault.
3137 2010-01-04  Ian Lance Taylor  <iant@google.com>
3139         PR 10980
3140         * options.h (class General_options): Add
3141         --allow-multiple-definition and -z muldefs.
3142         * resolve.cc (Symbol_table::should_override): Don't warn about a
3143         multiple symbol definition if --allow-multiple-definition or -z
3144         muldefs.
3146         PR 10980
3147         * options.h (class General_options): Add --add-needed and
3148         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3149         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3150         error if --copy-dt-needed-entries aka --add-needed is used and
3151         would cause a change in behaviour.
3153         PR 10980
3154         * options.h (class General_options): Add -G as a short version of
3155         --shared.  Add no-op options -assert, -g, and -i.
3157 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3159         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3160         check for .text or .gnu.linkonce.t sections.
3161         * icf.cc (Icf::find_identical_sections): Ditto.
3162         Change the detection for mangled function name within the section
3163         name.
3164         * icf.h (is_section_foldable_candidate): New function.
3166 2009-12-30  Ian Lance Taylor  <iant@google.com>
3168         PR 10980
3169         * options.h (class General_options): Permit two dashes with
3170         --retain-symbols-file.
3172 2009-12-30  Ian Lance Taylor  <iant@google.com>
3174         PR 10979
3175         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3176         don't put the file header and segment headers in the text
3177         segment.
3179         PR 10979
3180         * common.cc (Sort_commons::operator()): Stabilize sort when both
3181         entries are NULL.
3182         (Symbol_table::do_allocate_commons_list): When allocating common
3183         symbols, skip a symbol which is no longer common.
3184         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3185         an object before checking its type.
3186         * testsuite/common_test_2.c: New file.
3187         * testsuite/common_test_3.c: New file.
3188         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3189         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3190         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3191         (common_test_2_pic.o, common_test_2.so): New targets.
3192         (common_test_3_pic.o, common_test_3.so): New targets.
3193         * testsuite/Makefile.in: Rebuild.
3195         PR 10979
3196         * script.cc (read_input_script): If we see a new SECTIONS clause,
3197         and we have added an input section, give an error.
3198         * layout.h (class Layout): Add have_added_input_section function.
3199         Add have_added_input_section_ field.
3200         * layout.cc (Layout::Layout): Initialize
3201         have_added_input_section_.
3202         (Layout::layout): Set have_added_input_section_.
3203         (Layout::layout_eh_frame): Likewise.
3205 2009-12-30  Ian Lance Taylor  <iant@google.com>
3207         PR 10931
3208         * options.h (class General_options): Add --sort-common option.
3209         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3210         * common.cc (Sort_common): Add sort_order parameter to
3211         constructor.  Add sort_order_ field.
3212         (Sort_commons::operator): Check sort_order_.
3213         (Symbol_table::allocate_commons): Determine the sort order.
3214         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3215         Change all callers.
3216         (Symbol_table::do_allocate_commons_list): Likewise.
3218 2009-12-30  Ian Lance Taylor  <iant@google.com>
3220         PR 10916
3221         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3222         symbols from this object, don't change the visibility of an
3223         undefined symbol.
3224         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3226 2009-12-30  Ian Lance Taylor  <iant@google.com>
3228         PR 10861
3229         * script.h (class Version_script_info): Define Language enum.
3230         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3231         new fields globals_, locals_, and is_finalized_.
3232         * script.cc: Various formatting fixes.
3233         (class Parser_closure): Change language_stack_ from a vector of
3234         std::string to one of Version_script_info::Language.  Adjust all
3235         uses accordingly.
3236         (class Lazy_demangler): Remove.
3237         (struct Version_expression): Change language from std::string to
3238         Version_script_info::Language.
3239         (Version_script_info::Version_script_info): New function.
3240         (Version_script_info::~Version_script_info): Don't call clear.
3241         (Version_script_info::finalize): New function.
3242         (Version_script_info::build_lookup_tables): New function.
3243         (Version_script_info::build_expression_list_lookup): New
3244         function.
3245         (Version_script_info::get_symbol_version_helper): Rewrite to use
3246         lookup tables.
3247         (Version_script_info::print_expression_list): Adjust to use
3248         Version_script_info::Language.
3249         (script_push_lex_into_version_mode): Check that the version script
3250         has not been finalized.
3251         (version_script_push_lang): Change language string to
3252         Version_script_info::Language.
3253         * options.cc (Command_line::version_script): New function.
3254         * options.h (class General_options): Add finalize_dynamic_list
3255         function.  Change version_script from declaration to definition.
3256         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3257         * testsuite/version_script.map: Remove duplicate def of foo.
3258         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3259         version_script.map.
3260         * testsuite/Makefile.in: Rebuild.
3262 2009-12-30  Ian Lance Taylor  <iant@google.com>
3264         PR 10843
3265         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3266         if the input symbol index is 0, make the output symbol index 0.
3268 2009-12-30  Ian Lance Taylor  <iant@google.com>
3270         PR 10670
3271         * options.h (class General_options): Add -x/--discard-all.
3272         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3273         --discard-all.  If the local symbol needs a dynamic entry, check
3274         that before handling --discard-locals.
3276 2009-12-30  Ian Lance Taylor  <iant@google.com>
3278         PR 10450
3279         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3280         flags to PF_R.
3281         (Output_segment::add_output_section): Don't change the flags if
3282         the type is PT_TLS.
3284         PR 10450
3285         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3286         GNU hash table if they need a dynamic value.  Otherwise, don't add
3287         them if they are defined in a dynamic object or are forced local.
3289 2009-12-29  Ian Lance Taylor  <iant@google.com>
3291         PR 10450
3292         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3293         .gnu.hash table for a 32-bit target.
3295         PR 10450
3296         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3297         regular and a dynamic object only needs a dynamic symbol table
3298         entry if it is externally visible.
3300         PR 10450
3301         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3302         constructor.  Add global_offset_table_ field.
3303         (Target_i386::got_section): Set global_offset_table_.
3304         (Target_i386::do_finalize_sections): Set global_offset_table_
3305         size.
3306         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3307         in constructor.  Add global_offset_table_ field.
3308         (Target_x86_64::got_section): Set global_offset_table_.
3309         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3310         size.
3312         * layout.cc (Layout::Layout): Initialize increase_relro_.
3313         (Layout::get_output_section): Add is_relro, is_last_relro, and
3314         is_first_non_relro parameters.  Change all callers.
3315         (Layout::choose_output_section): Likewise.
3316         (Layout::add_output_section_data): Likewise.
3317         (Layout::make_output_section): Likewise.
3318         (Layout::set_segment_offsets): Clear increase_relro when using a
3319         linker script.
3320         * layout.h (class Layout): Add increase_relro method.  Add
3321         increase_relro_ field.  Update declarations.
3322         * output.cc (Output_section::Output_section): Initialize
3323         is_last_relro_ and is_first_non_relro_.
3324         (Output_segment::add_output_section): Group relro sections is
3325         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3326         (Output_segment::maximum_alignment): Remove relro handling.
3327         (Output_segment::set_section_addresses): Add increase_relro
3328         parameter.  Change all callers.  Add initial alignment to align
3329         relro sections on separate page.  Remove old relro handling.
3330         (Output_segment::set_section_list_addresses): Remove in_relro
3331         parameter.  Change all callers.
3332         (Output_segment::set_offset): Add increase parameter.  Change all
3333         callers.  Remove old relro handling.
3334         * output.h (class Output_section): Add new methods: is_last_relro,
3335         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3336         Add is_last_relro_ and is_first_non_relro_ fields.
3337         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3338         Create separate .got.plt section.  Call increase_relro.
3339         * x86_64.cc (Target_x86_64::got_section): Likewise.
3340         * testsuite/relro_script_test.t: Add .got.plt.
3342         PR 10450
3343         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3344         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3345         (Layout::finalize): Call set_dynamic_symbol_size.
3346         (Layout::set_dynamic_symbol_size): New function.
3347         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3348         set_dynamic_symbol_size.
3350         PR 10450
3351         * output.h (class Output_section): Add is_entsize_zero_ field.
3352         * output.cc (Output_section::Output_section): Initialize
3353         is_entsize_zero_.
3354         (Output_section::set_entsize): If two different entsizes are
3355         requested, force it to zero.
3356         (Output_section::add_input_section): Set flags for .debug_str
3357         before updating section flags.  Set entsize.
3358         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3359         and SHF_STRING if all input sections have those flags.
3361 2009-12-29   Rafael Espindola  <espindola@google.com>
3363         * main.cc (main): Fix the sys time reporting.
3364         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3365         reporting.
3367 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3369         * options.cc (General_options::parse_version): Allow -v to exit
3370         without an error if there is nothing to link.
3372 2009-12-29  Ian Lance Taylor  <iant@google.com>
3374         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3375         using a version of gcc before 4.1.
3376         * configure: Rebuild.
3378 2009-12-28  Chris Demetriou  <cgd@google.com>
3380         * attributes.cc (Output_attributes_section_data::do_write): Use
3381         std::vector::front rather than std::vector::data.
3383 2009-12-28  Ian Lance Taylor  <iant@google.com>
3385         * symtab.h (class Symbol_table): Add enum Defined.
3386         * resolve.cc (Symbol_table::should_override): Add defined
3387         parameter.  Change all callers.  Test whether object is NULL
3388         before calling a method on it.
3389         (Symbol_table::report_resolve_problem): Add defined parameter.
3390         Change all callers.
3391         (Symbol_table::should_override_with_special): Likewise.
3392         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3393         parameter.  Change all callers.
3394         (Symbol_table::do_define_in_output_data): Likewise.
3395         (Symbol_table::define_in_output_segment): Likewise.
3396         (Symbol_table::do_define_in_output_segment): Likewise.
3397         (Symbol_table::define_as_constant): Likewise.
3398         (Symbol_table::do_define_as_constant): Likewise.
3399         * script.h (class Symbol_assignment): Add is_defsym parameter to
3400         constructor; change all callers.
3401         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3402         parameter.  Change all callers.  Add is_defsym_ field.
3403         (class Parser_closure): Add parsing_defsym parameter to
3404         constructor; change all callers.  Add parsing_defsym accessor
3405         function.  Add parsing_defsym_ field.
3407 2009-12-28  Ian Lance Taylor  <iant@google.com>
3409         * gold.cc (queue_middle_tasks): Fix formatting.
3410         * object.cc (Relobj::is_section_name_included): Likewise.
3412 2009-12-23  Ian Lance Taylor  <iant@google.com>
3414         * i386.cc (Target_i386::do_calls_non_split): Recognize
3415         -fsplit-stack prologue for a function with a static chain.
3416         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3417         -fsplit-stack prologue when using %r11.
3419 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3421         * options.cc (General_options::parse_version): Make -v continue and do
3422         the link like GNU ld does.
3424 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3426         * Makefile.am (CCFILES): Add timer.cc.
3427         (HFILES): Add timer.h.
3428         * configure.ac: Check for sysconf and times.
3429         * main.cc: include timer.h.
3430         (main): Use Timer instead of get_run_time.
3431         * timer.cc: New.
3432         * timer.h: New.
3433         * workqueue.cc: include timer.h.
3434         (Workqueue::find_and_run_task):
3435         Report user, sys and wall time.
3436         * Makefile.in: Regenerate.
3437         * config.in: Regenerate.
3438         * configure: Regenerate.
3440 2009-12-16  Doug Kwan  <dougkwan@google.com>
3442         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3443         sections.
3444         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3445         relaxed input sections.
3446         * output.cc (Output_section::find_relaxed_input_section): Change
3447         return type to Output_relaxed_input_section pointer.  Adjust code
3448         for new type of relaxed_input_section_map_.
3449         * output.h (Output_section::find_relaxed_input_section): Change
3450         return type to Output_relaxed_input_section pointer.
3451         (Output_section::Output_relaxed_input_section_by_input_section_map):
3452         New type.
3453         (Output_section::relaxed_input_section_map_): Change type to
3454         Output_section::Output_relaxed_input_section_by_input_section_map.
3455         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3456         input section.
3458 2009-12-15  Ian Lance Taylor  <iant@google.com>
3460         * layout.cc (Layout::create_shstrtab): Only write out after input
3461         sections if we are compressing debug sections.
3463 2009-12-15  Ian Lance Taylor  <iant@google.com>
3465         * archive.cc (Archive::add_symbols): Only look up a symbol without
3466         a version if there is, in fact, a version.
3468 2009-12-14  Ian Lance Taylor  <iant@google.com>
3470         Revert -Wshadow changes, all changes from:
3471         2009-12-11  Doug Kwan  <dougkwan@google.com>
3472         2009-12-11  Nick Clifton  <nickc@redhat.com>
3473         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3475 2009-12-11  Doug Kwan  <dougkwan@google.com>
3477         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3478         due to -Wshadow.
3479         * attributes.cc (Object_attribute::size): Ditto.
3480         (Attributes_section_data::size): Ditto.
3481         (Attributes_section_data::Attributes_section_data): Ditto.
3482         (Output_attributes_section_data::do_write): Ditto.
3483         * attributes.h (Object_attribute::set_type): Ditto.
3484         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3486 2009-12-11  Nick Clifton  <nickc@redhat.com>
3488         * archive.cc: Fix shadowed variable warnings.
3489         * arm.cc: Likewise.
3490         * compressed_output.cc: Likewise.
3491         * compressed_output.h: Likewise.
3492         * configure: Likewise.
3493         * dwarf_reader.cc: Likewise.
3494         * dynobj.cc: Likewise.
3495         * dynobj.h: Likewise.
3496         * ehframe.cc: Likewise.
3497         * ehframe.h: Likewise.
3498         * errors.cc: Likewise.
3499         * expression.cc: Likewise.
3500         * fileread.cc: Likewise.
3501         * fileread.h: Likewise.
3502         * freebsd.h: Likewise.
3503         * i386.cc: Likewise.
3504         * icf.cc: Likewise.
3505         * incremental.h: Likewise.
3506         * layout.cc: Likewise.
3507         * layout.h: Likewise.
3508         * mapfile.cc: Likewise.
3509         * merge.cc: Likewise.
3510         * merge.h: Likewise.
3511         * object.cc: Likewise.
3512         * object.h: Likewise.
3513         * options.h: Likewise.
3514         * output.cc: Likewise.
3515         * output.h: Likewise.
3516         * parameters.cc: Likewise.
3517         * plugin.cc: Likewise.
3518         * powerpc.cc: Likewise.
3519         * reduced_debug_output.cc: Likewise.
3520         * reduced_debug_output.h: Likewise.
3521         * reloc.cc: Likewise.
3522         * reloc.h: Likewise.
3523         * resolve.cc: Likewise.
3524         * script-sections.cc: Likewise.
3525         * script.cc: Likewise.
3526         * script.h: Likewise.
3527         * sparc.cc: Likewise.
3528         * symtab.cc: Likewise.
3529         * symtab.h: Likewise.
3530         * target-select.cc: Likewise.
3531         * target-select.h: Likewise.
3532         * token.h: Likewise.
3533         * workqueue.cc: Likewise.
3534         * workqueue.h: Likewise.
3535         * x86_64.cc: Likewise.
3537 2009-12-10  Doug Kwan  <dougkwan@google.com>
3539         * arm.cc (attributes.h): New include.
3540         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3541         (Arm_relobj::~Arm_relobj): Delete object pointed by
3542         attributes_section_data_.
3543         (Arm_relobj::attributes_section_data): New method definition.
3544         (Arm_relobj::attributes_section_data_): New data member declaration.
3545         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3546         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3547         attributes_section_data_.
3548         (Arm_dynobj::attributes_section_data): New method definition.
3549         (Arm_dynobj::attributes_section_data_): New data member declaration.
3550         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
3551         initialization value of may_use_blx_ to false.
3552         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3553         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3554         object attributes to compute results instead of hard-coding.
3555         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3556         Target_arm::get_secondary_compatible_arch,
3557         Target_arm::set_secondary_compatible_arch
3558         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3559         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3560         New method declarations.
3561         (Target_arm::get_aeabi_object_attribute): New method definition.
3562         (Target_arm::attributes_section_data_): New data member declaration.
3563         (read_arm_attributes_section): New template definition.
3564         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3565         (Arm_dynobj::do_read_symbols): Ditto.
3566         (Target_arm::do_finalize_sections): Merge attributes sections from
3567         input.  Check for BLX use after attributes section merging.
3568         Fix __exidx_start and __exidx_end visibility.  Create an
3569         .ARM.attributes section if necessary.
3570         (Target_arm::get_secondary_compatible_arch,
3571         Target_arm::set_secondary_compatible_arch,
3572         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3573         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3574         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3575         New method definitions.
3577 2009-12-09  Ian Lance Taylor  <iant@google.com>
3579         * plugin.cc (Plugin::load): Don't cast from void* to a function
3580         pointer.
3582 2009-12-09  Ian Lance Taylor  <iant@google.com>
3584         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3585         information fields.
3587 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
3589         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3590         Replace two_file_shared_1.so with two_file_shared_2.so.
3591         * testsuite/Makefile.in: Regenerated.
3593 2009-12-08  Doug Kwan  <dougkwan@google.com>
3595         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3596         (HFILES): Add attributes.h and int_encoding.h.
3597         * Makefile.in: Regenerate.
3598         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3599         function definitions to int_encoding.cc
3600         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3601         prototypes to int_encoding.h
3602         * reduced_debug_output.cc (int_encoding.h): New include.
3603         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3604         function definitions to int_encoding.cc
3605         (insert_into_vector, read_from_pointer): Move template definitions to
3606         int_encoding.h
3607         * attributes.cc: New file.
3608         * attributes.h: New file.
3609         * int_encoding.cc: New file.
3610         * int_encoding.h: New file.
3612 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
3614         PR gold/11055
3615         * incremental-dump.cc (dump_incremental_inputs): New.
3616         (main): Use dump_incremental_inputs.
3618 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
3620         PR gold/10893
3621         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3622         checking elfcpp::STT_FUNC.
3623         (Target_i386::Relocate::relocate): Likewise.
3624         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3626         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3627         symbols from shared libraries into normal FUNC symbols.
3629         * symtab.h (Symbol): Add is_func and use it.
3631 2009-12-05  Doug Kwan  <dougkwan@google.com>
3633         * arm.cc (Target_arm::arm_info): Initialize new fields
3634         attributes_section and attributes_vendor.
3635         * i386.cc (Target_i386::i386_info): Same.
3636         * object.cc (Sized_relobj::do_layout): Skip attribute section.
3637         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3638         fields attributes_section and attributes_vendor.
3639         * sparc.cc (Target_sparc::sparc_info): Same.
3640         * target.h (Target::attributes_section, Target::attributes_vendor,
3641         Target::is_attributes_section, Target::attribute_arg_type,
3642         Target::attributes_order): New method definitions.
3643         (Target::Target_info::attributes_section,
3644         Target::Target_info::attributes_vendor): New fields.
3645         (Target::do_attribute_arg_type, Target::do_attributes_order): New
3646         virtual method definitions.
3647         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3648         attributes_section and attributes_vendor.
3649         * testsuite/testfile.cc (Target_test::test_target_info): Same.
3651 2009-12-05  Doug Kwan  <dougkwan@google.com>
3653         * arm.cc: Update comments about interworking and stub generation.
3654         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3655         considered as non-PIC.
3656         (Arm_relocate_functions::base_abs): Fix formatting.
3657         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
3658         of function to use GOT entry address instead of offset.
3659         (Target_arm::Scan::global): Issue an error if a symbol would need a
3660         PLT does not get one because it is untyped.  Remove code to create
3661         dynamic symbols for relative branches.
3662         (Target_arm::Relocate::relocate: Use 0 instead of false since function
3663         takes unsigned integer instead of boolean.
3665 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3667         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3668         (two_file_test_LDADD): Likewise.
3669         (common_test_1_LDADD): Likewise.
3670         (exception_test_LDADD) Likewise.
3671         (weak_test_LDADD): Likewise.
3672         (many_sections_test_LDADD): Likewise.
3673         (initpri1_LDADD): Likewise.
3674         (script_test_1_LDADD): Likewise.
3675         (script_test_2_LDADD): Likewise.
3676         (justsyms_LDADD): Likewise.
3677         (binary_test_LDADD): Likewise.
3678         (large_LDADD): Likewise.
3679         * testsuite/Makefile.in: Regenerated.
3681 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
3683         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3684         (Symbol_table::override_with_special): Likewise.
3685         (Symbol_table::add_from_object): Likewise.
3687 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3689         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3690         Don't set the data_offset twice.
3692 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3694         * testsuite/Makefile.in: Regenerate.
3696 2009-12-03  Doug Kwan  <dougkwan@google.com>
3698         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3699         (Target_arm::do_finalize_sections): Add parameter for symbol table
3700         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
3701         * i386.cc (Target_i386::do_finalize_sections): Add an additional
3702         parameter for symbol table pointer.
3703         * layout.cc (Layout::finalize): Call Target::finalize_sections with
3704         an additional parameter for a pointer to symbol table.
3705         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3706         parameter for a symbol table pointer.
3707         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3708         * target.h (Target::finalize_sections, Target::do_finalize_sections):
3709         Ditto.
3710         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
3711         parameter for a symbol table pointer.
3713 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
3715         * incremental.cc (Incremental_inputs_header)
3716         (Incremental_inputs_header_write, Incremental_inputs_entry)
3717         (Incremental_inputs_entry_write): Move ...
3718         * incremental.h (Incremental_inputs_header)
3719         (Incremental_inputs_header_write, Incremental_inputs_entry)
3720         (Incremental_inputs_entry_write): here.
3722 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3724         * incremental.cc (make_sized_incremental_binary): Set the target.
3725         Error if it is incompatible.
3726         * output.h (Output_file): Add filename method.
3728 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3730         * incremental.cc (Incremental_inputs_entry): Remove unused argument
3731         from the get_* methods.
3733 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3735         * incremental-dump.cc (main): Check that the offeset of a script is 0.
3736         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3737         Write 0 for the data_offset of scripts.
3739 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3741         * testsuite/Makefile.am: Add the incremental_test.sh test.
3742         * testsuite/incremental_test.sh: New.
3743         * testsuite/incremental_test_1.c: New.
3744         * testsuite/incremental_test_2.c: New.
3746 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
3748        * incremental-dump.cc (main): Fix typos.
3750 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
3752         PR gold/11025
3753         * incremental-dump.cc (main): Use llu to print 64 bit values.
3755 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
3756             H.J. Lu  <hongjiu.lu@intel.com>
3758         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
3759         $(LIBDL).
3760         (incremental_dump_LDADD): Likewise.
3761         * Makefile.in: Regenerated.
3763 2009-11-25  Doug Kwan  <dougkwan@google.com>
3765         Revert:
3767         2009-11-25  Doug Kwan  <dougkwan@google.com>
3769                 * arm.cc (Target_arm::Target_arm): Move method definition
3770                 outside of class definition.  Add code to handle
3771                 --target1-rel, --target1-abs and --target2= options.
3772                 (Target_arm::get_reloc_reloc_type): Change method to be
3773                 non-static and const.
3774                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
3775                 New data member declaration.
3776                 (Target_arm::Scan::local, Target_arm::Scan::global,
3777                 Target_arm::Relocate::relocate,
3778                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3779                 Adjust call to Target_arm::get_real_reloc_type.
3780                 (Target_arm::get_real_reloc_type): Use command line options
3781                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3782                 * options.h (--target1-rel, --target1-abs, --target2): New
3783                 ARM-only options.
3785 2009-11-25  Doug Kwan  <dougkwan@google.com>
3787         * arm.cc (Target_arm::Target_arm): Move method definition outside of
3788         class definition.  Add code to handle --target1-rel, --target1-abs
3789         and --target2= options.
3790         (Target_arm::get_reloc_reloc_type): Change method to be non-static
3791         and const.
3792         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
3793         member declaration.
3794         (Target_arm::Scan::local, Target_arm::Scan::global,
3795         Target_arm::Relocate::relocate,
3796         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
3797         call to Target_arm::get_real_reloc_type.
3798         (Target_arm::get_real_reloc_type): Use command line options to
3799         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3800         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
3801         options.
3803 2009-11-25  Doug Kwan  <dougkwan@google.com>
3805         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
3806         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
3807         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
3808         formatting.
3809         (Arm_relocate_functions::thm_call): Replace body with a call to
3810         Arm_relocate_functions::thumb_branch_common.
3811         (Arm_relocate_functions::thm_jump24,
3812         Arm_relocate_functions::thm_xpc22): New method definitions.
3813         (Arm_relocate_functions::thumb_branch_common): New method definition.
3814         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
3815         operator.
3816         (Target_arm::Relocate::relocate): Adjust call to thm_call.
3817         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
3819 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3821         * Makefile.am: Build incremental-dump
3822         * Makefile.in: Regenerate.
3823         * incremental-dump.cc: New.
3824         * incremental.cc (Incremental_inputs_header_data,
3825         Incremental_inputs_entry_data): Move to incremental.h
3826         * incremental.h: (Incremental_inputs_header_data,
3827         Incremental_inputs_entry_data): Move from incremental.cc
3829 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3831         * incremental.cc (Incremental_inputs_header,
3832         Incremental_inputs_header_write, Incremental_inputs_entry,
3833         Incremental_inputs_entry_write): Add a typedef with the data type.
3835 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3837         * incremental.cc (Incremental_inputs_header,
3838         Incremental_inputs_header_write, Incremental_inputs_entry,
3839         Incremental_inputs_entry_write): Update comment about which
3840         type has the filed descriptions.
3842 2009-11-15  Doug Kwan  <dougkwan@google.com>
3844         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
3845         (Arm_relocate_functions::arm_branch_common): Change method defintion
3846         in class definition to a method declaration and update list of formal
3847         parameters.
3848         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
3849         Arm_relocation_functions::jump24): Adjust call to
3850         Arm_relocate_functions::arm_branch_common.  Update list of formal
3851         parameters.
3852         (Arm_relocate_functions::xpc25): New method definition.
3853         (Arm_relocate_functions::arm_branch_common): Move method defintion
3854         out from class definition.  Use stubs for mode-switching and extending
3855         branch ranges.
3856         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
3857         specially.  Change code to enable use of stubs in ARM branches.
3859 2009-11-10  Doug Kwan  <dougkwan@google.com>
3861         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
3862         in method declaration.
3863         (Target_arm::relocate_stub): New method declaration.
3864         (Target_arm::default_target): Change to return a pointer instead of
3865         a const reference.
3866         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
3867         Target_arm::default_target.
3868         (Arm_Relobj::do_relocate_sections): Remove options paramater in
3869         method definition.
3870         (Target_arm::relocate_section): Adjust view.
3871         (Target_arm::relocate_stub): New method definition.
3873 2009-11-10  Doug Kwan  <dougkwan@google.com>
3875         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3876         a format warning.
3877         * incremental.cc (open_incremental_binary): Initialized local
3878         variables to avoid warnings.
3879         * object.cc (make_elf_object): Ditto.
3880         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3881         a format warning.
3883 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
3885         PR gold/10930
3886         * testsuite/plugin_test.c: Include "config.h".
3888 2009-11-09  Doug Kwan  <dougkwan@google.com>
3890         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3891         (arm_symbol_value): Remove.
3892         (Arm_relocate_functions::arm_branch_common,
3893         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3894         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3895         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3896         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3897         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3898         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3899         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3900         Arm_relocate_functions::thm_mobw_abs_nc,
3901         Arm_relocate_functions::thm_mov_abs,
3902         Arm_relocate_functions::movw_prel_nc,
3903         Arm_relocate_functions::thm_movt_abs,
3904         Arm_relocate_functions::movt_prel,
3905         Arm_relocate_functions::thm_movw_prel_nc,
3906         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3907         (Target_arm::Relocate::relocate): Only decompose address into two
3908         parts if relocation type uses the thumb-bit and pass the actual
3909         bit instead of a flag indicating that the thumb-bit is used.  Adjust
3910         calls to methods in Arm_relocate_functions for this change.
3912 2009-11-08  Ian Lance Taylor  <iant@google.com>
3914         PR 10925
3915         * reloc.cc: Instantiate
3916         Sized_relobj::initialize_input_to_output_maps and
3917         Sized_relobj:free_input_to_output_maps.
3919 2009-11-06  Ian Lance Taylor  <iant@google.com>
3921         PR 10876
3922         * defstd.cc (in_segment): Set only_if_ref true for "end".
3924 2009-11-06  Doug Kwan  <dougkwan@google.com>
3926         * arm.cc (class Reloc_stub): Correct a comment.
3927         (Target_arm::Target_arm): Initialize arm_input_section_map_.
3928         (Target_arm::scan_section_for_stubs): New method declaration.
3929         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3930         Change methods from private to protected.
3931         (Target_arm::do_may_relax): New method definition.
3932         (Target_arm::do_relax, Target_arm::group_sections,
3933         Target_arm::scan_reloc_for_stub,
3934         Target_arm::scan_reloc_section_for_stubs): New method declarations.
3935         (Target_arm::arm_input_section_map_): New data member declaration.
3936         (Target_arm::scan_reloc_for_stub,
3937         Target_arm::scan_reloc_section_for_stubs,
3938         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3939         Target_arm::do_relax): New method definitions.
3941 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
3943         * configure.ac: Check for (struct stat)::st_mtim
3944         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3945         * config.in: Regenerate.
3946         * configure: Regenerate.
3948 2009-11-05  Ian Lance Taylor  <iant@google.com>
3950         PR 10910
3951         * output.cc (Output_segment::add_output_section): Add missing
3952         return statement.
3954 2009-11-04  Ian Lance Taylor  <iant@google.com>
3956         PR 10880
3957         * object.h (class Object): Add is_needed and set_is_needed
3958         methods.  Add is_needed_ field.  Make bool fields into bitfields.
3959         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3960         defined in a dynamic object and referenced by a regular object,
3961         set is_needed for the dynamic object.
3962         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3963         if the file is marked with as_needed and it is not needed.
3965 2009-11-04  Ian Lance Taylor  <iant@google.com>
3967         PR 10887
3968         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3969         tags if data is discarded by linker script.
3970         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3971         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3972         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3973         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3975 2009-11-04  Ian Lance Taylor  <iant@google.com>
3977         * layout.cc (Layout::get_output_section): Add is_interp and
3978         is_dynamic_linker_section parameters.  Change all callers.
3979         (Layout::choose_output_section): Likewise.
3980         (Layout::make_output_section): Likewise.
3981         (Layout::add_output_section_data): Add is_dynamic_linker_section
3982         parameter.  Change all callers.
3983         * layout.h (class Layout): Update declarations.
3984         * output.h (class Output_section): Add is_interp, set_is_interp,
3985         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3986         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3987         generate_code_fills_at_write_ to a bitfield.
3988         * output.cc (Output_section::Output_sections): Initialize new
3989         fields.
3990         (Output_segment::add_output_section): Add do_sort parameter.
3991         Change all callers.
3993 2009-11-03  Ian Lance Taylor  <iant@google.com>
3995         PR 10860
3996         * options.h (class General_options): Add --warn-common.
3997         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3998         merging two common symbols.
3999         (Symbol_table::should_override): Handle --warn-common when merging
4000         a common symbol with a defined symbol.  Use report_resolve_problem
4001         for multiple definitions.
4002         (Symbol_table::report_resolve_problem): New function.
4003         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4005 2009-11-03  Doug Kwan  <dougkwan@google.com>
4007         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4008         stub_factory_.
4009         (Target_arm::stub_factory): New method definition.
4010         (Target_arm::new_arm_input_section,
4011         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4012         Target_arm::reloc_uses_thumb_bit): New method declarations.
4013         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4014         New type definitions.
4015         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4016         member declarations.
4017         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4018         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4019         New method definitions.
4021 2009-11-03  Ian Lance Taylor  <iant@google.com>
4023         * options.h (class General_options): Add --warn_constructors.
4025 2009-11-03  Ian Lance Taylor  <iant@google.com>
4027         PR 10893
4028         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4029         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4031 2009-11-03  Ian Lance Taylor  <iant@google.com>
4033         PR 10895
4034         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4035         --msgid-bugs-address.
4036         (install-pdf): New target.
4037         (install-data_yes): Look up one directory to find mkinstalldirs.
4039 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4041         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4042         tree.
4044 2009-10-30  Doug Kwan  <dougkwan@google.com>
4046         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4048 2009-10-30  Doug Kwan  <dougkwan@google.com>
4050         * arm.cc (Stub_addend_reader): New struct template definition
4051         and partial specializations.
4052         (Stub_addend_reader::operator()): New method definition for a
4053         partially specialized template.
4055 2009-10-30  Doug Kwan  <dougkwan@google.com>
4057         * arm.cc (Arm_relobj::processor_specific_flags): New method
4058         definition.
4059         (Arm_relobj::do_read_symbols): New method declaration.
4060         (Arm_relobj::processor_specific_flags_): New data member declaration.
4061         (Arm_dynobj): New class definition.
4062         (Target_arm::do_finalize_sections): Add input_objects parameter.
4063         (Target_arm::do_adjust_elf_header): New method declaration.
4064         (Target_arm::are_eabi_versions_compatible,
4065         (Target_arm::merge_processor_specific_flags): New method declaration.
4066         (Target_arm::do_make_elf_object): New overloaded method definitions
4067         and declaration.
4068         (Arm_relobj::do_read_symbols): New method definition.
4069         (Arm_dynobj::do_read_symbols): Ditto.
4070         (Target_arm::do_finalize_sections): Add input_objects parameters.
4071         Merge processor-specific flags from all input objects.
4072         (Target_arm::are_eabi_versions_compatible,
4073         Target_arm::merge_processor_specific_flags,
4074         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4075         New method definitions.
4076         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4077         Input_objects pointer type parameter.
4078         * layout.cc (Layout::finalize): Pass input objects to target's.
4079         finalize_sections function.
4080         * output.cc (Output_file_header::do_sized_write): Set ELF file
4081         header's processor-specific flags.
4082         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4083         Input_objects pointer type parameter.
4084         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4085         * target.h (Input_objects): New forward class declaration.
4086         (Target::processor_specific_flags,
4087         Target::are_processor_specific_flags_sect): New method definitions.
4088         (Target::finalize_sections): Add input_objects parameter.
4089         (Target::Target): Initialize processor_specific_flags_ and
4090         are_processor_specific_flags_set_.
4091         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4092         parameter.
4093         (Target::set_processor_specific_flags): New method definition.
4094         (Target::processor_specific_flags_,
4095         Target::are_processor_specific_flags_set_): New data member
4096         declarations.
4097         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4098         Input_objects pointer type parameter.
4100 2009-10-30  Doug Kwan  <dougkwan@google.com>
4102         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4104 2009-10-28  Ian Lance Taylor  <iant@google.com>
4106         * object.h (class Relobj): Drop options parameter from
4107         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4108         do_scan_relocs, do_relocate.  Change all callers.
4109         (class Sized_relobj): Drop options parameters from
4110         do_gc_process_relocs, do_scan_relocs, do_relocate,
4111         do_relocate_sections, relocate_sections, emit_relocs_scan,
4112         emit_relocs_scan_reltype.  Change all callers.
4113         (struct Relocate_info): Remove options field and all references to
4114         it.
4115         * reloc.h (class Read_relocs): Remove options constructor
4116         parameter and options_ field.  Change all callers.
4117         (class Gc_process_relocs, class Scan_relocs): Likewise.
4118         (class Relocate_task): Likewise.
4119         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4120         all callers.
4121         (scan_relocatable_relocs): Likewise.
4122         * target.h (class Sized_target): Remove options parameter from
4123         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4124         all callers.
4125         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4126         callers.
4127         * arm.cc: Update functions to remove options parameters.
4128         * i386.cc: Likewise.
4129         * powerpc.cc: Likewise.
4130         * sparc.cc: Likewise.
4131         * x86_64.cc: Likewise.
4132         * testsuite/testfile.cc: Likewise.
4134 2009-10-28  Doug Kwan  <dougkwan@google.com>
4136         * arm.cc (Arm_relobj): New class definition.
4137         (Arm_relobj::scan_sections_for_stubs,
4138         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4139         New method definitions.
4141 2009-10-28  Cary Coutant  <ccoutant@google.com>
4143         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4144         (Plugin::cleanup_done_): New member.
4145         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4146         (Plugin_manager::cleanup_done_): Remove.
4147         (Plugin_manager::add_input_file): Edit error message.
4148         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4149         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4151 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4153         * fileread.cc: (File_read::View::~View): Use the new
4154         data_ownership_ filed.
4155         (File_read::~File_read): Dispose the new whole_file_view_.
4156         (File_read::open): Mmap the whole file if needed.
4157         (File_read::open): Use whole_file_view_ instead of contents_.
4158         (File_read::find_view): Use whole_file_view_ if applicable.
4159         (File_read::do_read): Use whole_file_view_ instead of contents_.
4160         (File_read::make_view): Use whole_file_view_ instead of contents_,
4161         update File_read::View::View call.
4162         (File_read::find_or_make_view): Update File_read::View::View
4163         call.
4164         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4165         remove contents_
4166         (File_read::View::Data_ownership): New enum.
4167         (File_read::View::View): Replace bool mapped_ with Data_ownership
4168         argument.
4169         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4170         (File_read::View::data_ownership_): New field.
4171         (File_read::contents_): Remove (replaced by whole_file_view_).
4172         (File_read::whole_file_view_): New field.
4173         * options.h (class General_options): Add --keep-files-mapped.
4175 2009-10-27  Cary Coutant  <ccoutant@google.com>
4177         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4178         * testsuite/Makefile.am (plugin_test_5): New test case.
4179         * testsuite/Makefile.in: Regenerate.
4181 2009-10-25  Doug Kwan  <dougkwan@google.com>
4183         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4184         from private to protected to allow access by child class.
4185         (Sized_relobj::do_relocate_sections): New method declaration.
4186         (Sized_relobj::relocate_sections): Virtualize.
4187         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4188         Sized_relobj::relocate_sections.  Instantiate template explicitly
4189         for different target sizes and endianity.
4191 2009-10-24  Doug Kwan  <dougkwan@google.com>
4193         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4194         (Arm_input_section::as_arm_input_section): New method.
4195         (Arm_output_section): New class definition.
4196         (Arm_output_section::create_stub_group,
4197         Arm_output_section::group_sections): New method definitions.
4199 2009-10-22  Doug Kwan  <dougkwan@google.com>
4201         * arm.cc (Arm_input_section): New class definition.
4202         (Arm_input_section::init, Arm_input_section:do_write,
4203         Arm_input_section::set_final_data_size,
4204         Arm_input_section::do_reset_address_and_file_offset): New method
4205         definitions.
4207 2009-10-21  Doug Kwan  <dougkwan@google.com>
4209         * arm.cc (Stub_table, Arm_input_section): New forward class
4210         declarations.
4211         (Stub_table): New class defintion.
4212         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4213         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4214         New method definition.
4216 2009-10-21  Doug Kwan  <dougkwan@google.com>
4218         * arm.cc: Update copyright comments.
4219         (Target_arm): New forward class template declaration.
4220         (Arm_address): New type.
4221         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4222         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4223         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4224         constants.
4225         (Insn_template): Same.
4226         (DEF_STUBS): New macro.
4227         (Stub_type): New enum type.
4228         (Stub_template): New class definition.
4229         (Stub): Same.
4230         (Reloc_stub): Same.
4231         (Stub_factory): Same.
4232         (Target_arm::Target_arm): Initialize may_use_blx_ and
4233         should_force_pic_veneer_.
4234         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4235         Target_arm::should_force_pic_veneer,
4236         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4237         Target_arm::using_thumb_only, Target_arm:;default_target): New
4238         method defintions.
4239         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4240         New data member declarations.
4241         (Insn_template::size, Insn_template::alignment): New method defintions.
4242         (Stub_template::Stub_template): New method definition.
4243         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4244         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4245         (Stub_factory::Stub_factory): New method definition.
4246         * gold.h (string_hash): New template.
4247         * output.h (Input_section_specifier::hash_value): Use
4248         gold::string_hash.
4249         (Input_section_specifier::string_hash): Remove.
4250         * stringpool.cc (Stringpool_template::string_hash): Use
4251         gold::string_hash.
4253 2009-10-20  Doug Kwan  <dougkwan@google.com>
4255         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4256         symbols of relaxed input sections.
4257         * output.h (Output_section::find_relaxed_input_section): Make
4258         method public.
4260 2009-10-16  Doug Kwan  <dougkwan@google.com>
4262         * dynobj.cc (Versions::Versions): Initialize version_script_.
4263         Only insert base version symbol definition for a shared object
4264         if version script defines any version versions.
4265         (Versions::define_base_version): New method definition.
4266         (Versions::add_def): Check that base version is not needed.
4267         (Versions::add_need): Define base version lazily.
4268         * dynobj.h (Versions::define_base_version): New method declaration.
4269         (Versions::needs_base_version_): New data member declaration.
4270         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4271         (check_DATA): Add no_version_test.stdout.
4272         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4273         New make rules.
4274         * testsuite/Makefile.in: Regenerate.
4275         * testsuite/no_version_test.c: New file.
4276         * testsuite/no_version_test.sh: Ditto.
4278 2009-10-16  Doug Kwan  <dougkwan@google.com>
4280         * expression.cc (class Segment_start_expression): New class definition.
4281         (Segment_start_expression::value): New method definition.
4282         (script_exp_function_segment_start): Return a new
4283         Segment_start_expression.
4284         * gold/script-c.h (script_saw_segment_start_expression): New function
4285         prototype.
4286         * script-sections.cc (Script_sections::Script_sections): Initialize
4287         SAW_SEGMENT_START_EXPRESSION_ to false.
4288         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4289         and -Tbbs options to specify section addresses if given in
4290         command line and no SEGMENT_START expression is seen in a script.
4291         * script-sections.h (Script_sections::saw_segment_start_expression,
4292         Script_sections::set_saw_segment_start_expression): New method
4293         definition.
4294         (Script_sections::saw_segment_start_expression_): New data member
4295         declaration.
4296         * script.cc (script_saw_segment_start_expression): New function.
4297         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4298         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4299         script_test_7.sh and script_test_8.sh.
4300         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4301         script_test_8.stdout.
4302         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4303         (script_test_6, script_test_6.stdout, script_test_7,
4304         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4305         * Makefile.in: Regenerate.
4306         * testsuite/script_test_6.sh: New file.
4307         * testsuite/script_test_6.t: Same.
4308         * testsuite/script_test_7.sh: Same.
4309         * testsuite/script_test_7.t: Same.
4310         * testsuite/script_test_8.sh: Same.
4312 2009-10-16  Doug Kwan  <dougkwan@google.com>
4314         * output.cc (Output_segment::set_section_list_address): Cast
4315         expressions to unsigned long long type to avoid format warnings.
4317 2009-10-15  Ian Lance Taylor  <iant@google.com>
4319         * script.cc (Script_options::add_symbol_assignment): Always add a
4320         dot assignment to script_sections_.
4321         * script-sections.cc (Script_sections::add_dot_assignment):
4322         Initialize if necessary.
4324         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4325         program headers with no load segment if there is a linker script.
4327         * layout.cc (Layout::set_segment_offsets): Align the file offset
4328         to the segment aligment for -N or -n with no load segment.
4329         * output.cc (Output_segment::add_output_section): Don't crash if
4330         the first section is a TLS section.
4331         (Output_segment::set_section_list_addresses): Print an error
4332         message if the address moves backward in a linker script.
4333         * script-sections.cc
4334         (Output_section_element_input::set_section_addresses): Don't
4335         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4336         (Orphan_output_section::set_section_addresses): Likewise.
4338 2009-10-15  Doug Kwan  <dougkwan@google.com>
4340         * layout.cc (Layout::finish_dynamic_section): Generate tags
4341         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4342         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4343         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4345 2009-10-14  Ian Lance Taylor  <iant@google.com>
4347         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4348         fields.
4349         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4350         data_shdr fields of relinfo.
4351         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4352         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4353         R_386_TLS_LDO_32, adjust based on section flags.
4354         (Target_i386::Relocate::fix_up_ldo): Remove.
4356 2009-10-13  Ian Lance Taylor  <iant@google.com>
4358         Add support for -pie.
4359         * options.h (class General_options): Add -pie and
4360         --pic-executable.
4361         (General_options::output_is_position_independent): Test -pie.
4362         (General_options::output_is_executable): Return true if not shared
4363         and not relocatable.
4364         (General_options::output_is_pie): Remove.
4365         * options.cc (General_options::finalize): Reject incompatible uses
4366         of -pie.
4367         * gold.cc (queue_middle_tasks): A -pie link is not static.
4368         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4369         * symtab.cc (Symbol::final_value_is_known): Return false if
4370         output_is_position_independent.
4371         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4372         output_is_position_independent.
4373         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4374         output_is_position_independent.
4375         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4376         output_is_position_independent.
4377         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4378         two_file_pie_test.
4379         (basic_pie_test.o, basic_pie_test): New targets.
4380         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4381         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4382         (two_file_pie_test): New target.
4383         * testsuite/Makefile.in: Rebuild.
4384         * README: Remove note saying that -pie is not supported.
4386 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4388         * options.h (class General_options): Add -init and -fini.
4389         * layout.cc (Layout::finish_dynamic_section): Emit
4390         given init and fini functions.
4392 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4394         * gc.h (gc_process_relocs): Check if icf is enabled using new
4395         function.
4396         * gold.cc (queue_initial_tasks): Likewise.
4397         (queue_middle_tasks): Likewise.
4398         * object.cc (do_layout): Likewise.
4399         * symtab.cc (is_section_folded): Likewise.
4400         * main.cc (main): Likewise.
4401         * reloc.cc (Read_relocs::run): Likewise.
4402         (Sized_relobj::do_scan_relocs): Likewise.
4403         * icf.cc (is_function_ctor_or_dtor): New function.
4404         (Icf::find_identical_sections): Check if function is ctor or dtor when
4405         safe icf is chosen.
4406         * options.h (General_options::icf): Change option to be an enum.
4407         (Icf_status): New enum.
4408         (icf_enabled): New method.
4409         (icf_safe_folding): New method.
4410         (set_icf_status): New method.
4411         (icf_status_): New variable.
4412         * (options.cc) (General_options::finalize): Set icf_status_.
4413         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4414         icf_test and icf_keep_unique_test to use the --icf enum flag.
4415         * testsuite/icf_safe_test.sh: New file.
4416         * testsuite/icf_safe_test.cc: New file.
4418 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4420         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4421         includes to gc.h and icf.h.
4422         * arm.cc: Include gc.h.
4423         * gold.cc: Likewise.
4424         * i386.cc: Likewise.
4425         * powerpc.cc: Likewise.
4426         * sparc.cc: Likewise.
4427         * x86_64.cc: Likewise.
4428         * gc.h: Include icf.h.
4430 2009-10-11  Ian Lance Taylor  <iant@google.com>
4432         * plugin.cc: Include "gold.h" before other header files.
4434 2009-10-10  Chris Demetriou  <cgd@google.com>
4436         * options.h (Input_file_argument::Input_file_type): New enum.
4437         (Input_file_argument::is_lib_): Replace with...
4438         (Input_file_argument::type_): New member.
4439         (Input_file_argument::Input_file_argument): Take Input_file_type
4440         'type' rather than boolean 'is_lib' as second argument.
4441         (Input_file_argument::is_lib): Use type_.
4442         (Input_file_argument::is_searched_file): New function.
4443         (Input_file_argument::may_need_search): Handle is_searched_file.
4444         * options.cc (General_options::parse_library): Support -l:filename.
4445         (General_options::parse_just_symbols): Update for Input_file_argument
4446         changes.
4447         (Command_line::process): Likewise.
4448         * archive.cc (Archive::get_file_and_offset): Likewise.
4449         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4450         * script.cc (read_script_file, script_add_file): Likewise.
4451         * fileread.cc (Input_file::Input_file): Likewise.
4452         (Input_file::will_search_for): Handle is_searched_file.
4453         (Input_file::open): Likewise.
4454         * readsyms.cc (Read_symbols::get_name): Likewise.
4455         * testsuite/Makefile.am (searched_file_test): New test.
4456         * testsuite/Makefile.in: Regenerate.
4457         * testsuite/searched_file_test.cc: New file.
4458         * testsuite/searched_file_test_lib.cc: New file.
4460 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4461             Ian Lance Taylor  <iant@google.com>
4463         * descriptor.cc: Include <cstdio> and "binary-io.h".
4464         (Descriptors::open): Open the files in binary mode always.
4465         * script.cc (Lex::get_token): Treat \r as whitespace.
4467 2009-10-09  Ian Lance Taylor  <iant@google.com>
4469         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4471 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4472             Ian Lance Taylor  <iant@google.com>
4474         * configure.ac: Check for readv function also.
4475         * fileread.cc (readv): Define if not HAVE_READV.
4476         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4477         does not exist.
4478         * config.in: Regenerate.
4479         * configure: Regenerate.
4481 2009-10-09  Doug Kwan  <dougkwan@google.com>
4483         * layout.cc (Layout::make_output_section): Call target hook to make
4484         ordinary output section.
4485         (Layout::finalize): Adjust parameter list of call the
4486         Target::may_relax().
4487         * layout.h (class Layout::section_list): New method.
4488         * merge.h (Output_merge_base::entsize): Change visibility to public.
4489         (Output_merge_base::is_string, Output_merge_base::do_is_string):
4490         New methods.
4491         (Output_merge_string::do_is_string): New method.
4492         * object.cc (Sized_relobj::do_setup): renamed from
4493         Sized_relobj::set_up.
4494         * object.h (Sized_relobj::adjust_shndx,
4495         Sized_relobj::initializ_input_to_output_maps,
4496         Sized_relobj::free_input_to_output_maps): Change visibilities to
4497         protected.
4498         (Sized_relobj::setup): Virtualize.
4499         (Sized_relobj::do_setup): New method declaration.
4500         (Sized_relobj::invalidate_section_offset,
4501         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4502         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4503         * options.cc (parse_int): New function.
4504         * options.h (parse_int): New declaration.
4505         (DEFINE_int): New macro.
4506         (stub_group_size): New option.
4507         * output.cc (Output_section::Output_section): Initialize memebers
4508         merge_section_map_, merge_section_by_properties_map_,
4509         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4510         (Output_section::add_input_section): Handled deferred code-fill
4511         generation and remove an old comment.
4512         (Output_section::add_relaxed_input_section): New method definition.
4513         (Output_section::add_merge_input_section): Use merge section by
4514         properties map to speed to search.  Update merge section maps
4515         as appropriate.
4516         (Output_section::build_relaxation_map): New method definition.
4517         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4518         Same.
4519         (Output_section::relax_input_section): Renamed to
4520         Output_section::convert_input_sections_to_relaxed_sections and change
4521         interface to take a vector of pointers to relaxed sections.
4522         (Output_section::find_merge_section,
4523         Output_section::find_relaxed_input_section): New method definitions.
4524         (Output_section::is_input_address_mapped,
4525         Output_section::output_offset, Output_section::output_address):
4526         Use output section data maps to speed up searching.
4527         (Output_section::find_starting_output_address): Add comments.
4528         (Output_section::do_write,
4529         Output_section::write_to_postprocessing_buffer): Do code-fill
4530         generation as appropriate.
4531         (Output_section::get_input_sections): Invalidate relaxed input section
4532         map.
4533         (Output_section::restore_states): Adjust type of checkpoint .
4534         Invalidate relaxed input section map.
4535         * output.h (Output_merge_base): New class declaration.
4536         (Input_section_specifier): New class defintion.
4537         (class Output_relaxed_input_section) Change base class to
4538         Output_section_data_build.
4539         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4540         base class initializer.
4541         (Output_section::add_relaxed_input_section): New method declaration.
4542         (Output_section::Input_section): Change visibility to protected.
4543         (Output_section::Input_section::relobj,
4544         Output_section::Input_section::shndx): Handle relaxed input sections.
4545         Output_section::input_sections) Change visibility to protected.  Also
4546         define overload to return a non-const pointer.
4547         (Output_section::Merge_section_properties): New class defintion.
4548         (Output_section::Merge_section_by_properties_map,
4549         Output_section::Output_section_data_by_input_section_map,
4550         Output_section::Relaxation_map): New types.
4551         (Output_section::relax_input_section): Rename method to
4552         Output_section::convert_input_sections_to_relaxed_sections and change
4553         interface to take a vector of relaxed section pointers.
4554         (Output_section::find_merge_section,
4555         Output_section::find_relaxed_input_section,
4556         Output_section::build_relaxation_map,
4557         Output_section::convert_input_sections_in_list_to_relaxed_sections):
4558         New method declarations.
4559         (Output_section::merge_section_map_
4560         Output_section::merge_section_by_properties_map_,
4561         Output_section::relaxed_input_section_map_,
4562         Output_section::is_relaxed_input_section_map_valid_,
4563         Output_section::generate_code_fills_at_write_): New data members.
4564         * script-sections.cc
4565         (Output_section_element_input::set_section_addresses): Call
4566         current_data_size and addralign methods of relaxed input sections.
4567         (Orphan_output_section::set_section_addresses): Call current_data_size
4568         and addralign methods of relaxed input sections.
4569         * symtab.cc (Symbol_table::compute_final_value): Extract template
4570         from the body of Symbol_table::sized_finalize_symbol.
4571         (Symbol_table::sized_finalized_symbol): Call
4572         Symbol_table::compute_final_value.
4573         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4574         (Symbol_table::compute_final_value): New templated method declaration.
4575         * target.cc (Target::do_make_output_section): New method defintion.
4576         * target.h (Target::make_output_section): New method declaration.
4577         (Target::relax): Add more parameters for input objects, symbol table
4578         and layout.  Adjust call to do_relax.
4579         (Target::do_make_output_section): New method declaration.
4580         (Target::do_relax): Add parameters for input objects, symbol table
4581         and layout.
4583 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4585         * pread.c: Include stdio.h.
4587 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4589         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4590         defined.
4592 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4594         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4595         Change read_shndx type to unsigned int.
4596         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4597         int.
4598         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4599         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4600         Change read_shndx type to unsigned int.
4601         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4602         int.
4603         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4604         * layout.cc (Layout::create_symtab_sections): Cast the result of
4605         local_symcount * symsize to off_t in the gold_assert.
4607 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4609         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4610         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4611         R_ARM_BASE_ABS.
4612         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4613         (Arm_relocate_functions::thm_abs5): New function.
4614         (Arm_relocate_functions::abs12): New function.
4615         (Arm_relocate_functions::abs16): New function.
4616         (Arm_relocate_functions::base_abs): New function.
4617         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4618         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
4619         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4620         R_ARM_BASE_ABS.
4621         (Scan::global): Likewise.
4622         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4623         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4624         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4625         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4626         R_ARM_BASE_ABS.
4628 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4630         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4631         (Arm_relocate_functions::movt_prel): New function.
4632         (Arm_relocate_functions::thm_movw_prel_nc): New function.
4633         (Arm_relocate_functions::thm_movt_prel): New function.
4634         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4635         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4636         (Scan::global, Relocate::relocate): Likewise.
4637         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4639 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4641         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4642         Incremental_checker.
4643         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4644         unsigned int.
4645         (class Incremental_inputs_header): New class.
4646         (Incremental_inputs_header_writer): Edit comment.
4647         (Incremental_inputs_entry): New class.
4648         (Incremental_inputs_entry_writer): Edit comment.
4649         (Sized_incremental_binary::do_find_incremental_inputs_section):
4650         Add *strtab_shndx parameter, fill it.
4651         (Sized_incremental_binary::do_check_inputs): New method.
4652         (Incremental_checker::can_incrementally_link_output_file): Use
4653         Sized_incremental_binary::check_inputs.
4654         (Incremental_inputs::report_command_line): Save command line in
4655         command_line_.
4656         * incremental.h:
4657         (Incremental_binary::find_incremental_inputs_section): New
4658         method.
4659         (Incremental_binary::do_find_incremental_inputs_section): Add
4660         strtab_shndx parameter.
4661         (Incremental_binary::do_check_inputs): New pure virtual method.
4662         (Sized_incremental_binary::do_check_inputs): Declare.
4663         (Incremental_checker::Incremental_checker): Add incremental_inputs
4664         parameter, use it to initialize incremental_inputs_.
4665         (Incremental_checker::incremental_inputs_): New field.
4666         (Incremental_checker::command_line): New method.
4667         (Incremental_checker::inputs): New method.
4668         (Incremental_checker::command_line_): New field.
4670 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4672         * incremental.cc: Include <cstdarg> and "target-select.h".
4673         (vexplain_no_incremental): New function.
4674         (explain_no_incremental): New function.
4675         (Incremental_binary::error): New method.
4676         (Sized_incremental_binary::do_find_incremental_inputs_section): New
4677         method.
4678         (make_sized_incremental_binary): New function.
4679         (open_incremental_binary): New function.
4680         (can_incrementally_link_file): Add checks if output is ELF and has
4681         inputs section.
4682         * incremental.h: Include "elfcpp_file.h" and "output.h".
4683         (Incremental_binary): New class.
4684         (Sized_incremental_binary): New class.
4685         (open_incremental_binary): Declare.
4686         * object.cc (is_elf_object): Use
4687         elfcpp::Elf_recognizer::is_elf_file.
4688         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4689         * output.h (Output_file::filesize): New method.
4691 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4693         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4694         New function.
4695         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4696         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4697         function.
4698         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4699         function.
4700         (Arm_relocate_functions::movw_abs_nc): New function.
4701         (Arm_relocate_functions::movt_abs): New function.
4702         (Arm_relocate_functions::thm_movw_abs_nc): New function.
4703         (Arm_relocate_functions::thm_movt_abs): New function.
4704         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4705         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4706         (Scan::global): Likewise.
4707         (Relocate::relocate): Likewise.
4708         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4710 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4712         * arm.cc (Arm_relocate_functions::got_prel) New function.
4713         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
4714         (Relocate::relocate): Likewise.
4715         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4717 2009-10-06  Ian Lance Taylor  <iant@google.com>
4719         * options.h (class General_options): Define
4720         split_stack_adjust_size parameter.
4721         * object.h (class Object): Add uses_split_stack_ and
4722         has_no_split_stack_ fields.  Add uses_split_stack and
4723         has_no_split_stack accessor functions.  Declare
4724         handle_split_stack_section.
4725         (class Reloc_symbol_changes): Define.
4726         (class Sized_relobj): Define Function_offsets.  Declare
4727         split_stack_adjust, split_stack_adjust_reltype, and
4728         find_functions.
4729         * object.cc (Object::handle_split_stack_section): New function.
4730         (Sized_relobj::do_layout): Call handle_split_stack_section.
4731         * dynobj.cc (Sized_dynobj::do_layout): Call
4732         handle_split_stack_section.
4733         * reloc.cc (Sized_relobj::relocate_sections): Call
4734         split_stack_adjust for executable sections in split_stack
4735         objects.  Pass reloc_map to relocate_section.
4736         (Sized_relobj::split_stack_adjust): New function.
4737         (Sized_relobj::split_stack_adjust_reltype): New function.
4738         (Sized_relobj::find_functions): New function.
4739         * target-reloc.h: Include "object.h".
4740         (relocate_section): Add reloc_symbol_changes parameter.  Change
4741         all callers.
4742         * target.h (class Target): Add calls_non_split method.  Declare
4743         do_calls_non_split virtual method.  Declare match_view and
4744         set_view_to_nop.
4745         * target.cc: Include "elfcpp.h".
4746         (Target::do_calls_non_split): New function.
4747         (Target::match_view): New function.
4748         (Target::set_view_to_nop): New function.
4749         * gold.cc (queue_middle_tasks): Give an error if mixing
4750         split-stack and non-split-stack objects with -r.
4751         * i386.cc (Target_i386::relocate_section): Add
4752         reloc_symbol_changes parameter.
4753         (Target_i386::do_calls_non_split): New function.
4754         * x86_64.cc (Target_x86_64::relocate_section): Add
4755         reloc_symbol_changes parameter.
4756         (Target_x86_64::do_calls_non_split): New function.
4757         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
4758         parameter.
4759         * powerpc.cc (Target_powerpc::relocate_section): Add
4760         reloc_symbol_changes parameter.
4761         * sparc.cc (Target_sparc::relocate_section): Add
4762         reloc_symbol_changes parameter.
4763         * configure.ac: Call AM_CONDITIONAL for the default target.
4764         * configure: Rebuild.
4765         * testsuite/Makefile.am (TEST_AS): New variable.
4766         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
4767         (check_DATA): Add split_i386 and split_x86_64 files.
4768         (SPLIT_DEFSYMS): Define.
4769         (split_i386_[1234n].o): New targets.
4770         (split_i386_[124]): New targets.
4771         (split_i386_[1234r].stdout): New targets.
4772         (split_x86_64_[1234n].o): New targets.
4773         (split_x86_64_[124]): New targets.
4774         (split_x86_64_[1234r].stdout): New targets.
4775         (MOSTLYCLEANFILES): Add new executables.
4776         * testsuite/split_i386.sh: New file.
4777         * testsuite/split_x86_64.sh: New file.
4778         * testsuite/split_i386_1.s: New file.
4779         * testsuite/split_i386_2.s: New file.
4780         * testsuite/split_i386_3.s: New file.
4781         * testsuite/split_i386_4.s: New file.
4782         * testsuite/split_i386_n.s: New file.
4783         * testsuite/split_x86_64_1.s: New file.
4784         * testsuite/split_x86_64_2.s: New file.
4785         * testsuite/split_x86_64_3.s: New file.
4786         * testsuite/split_x86_64_4.s: New file.
4787         * testsuite/split_x86_64_n.s: New file.
4788         * testsuite/testfile.cc (Target_test): Update relocation_section
4789         function.
4790         * testsuite/Makefile.in: Rebuild.
4792 2009-10-06  Ian Lance Taylor  <iant@google.com>
4794         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
4795         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
4796         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
4797         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
4798         the address on ldo_addrs_.
4799         (Target_i386::Relocate::fix_up_ldo): New function.
4801 2009-10-06   Rafael Espindola  <espindola@google.com>
4803         * plugin.cc (add_input_library): New.
4804         (Plugin::load): Add add_input_library to tv.
4805         (Plugin_manager::add_input_file): Add the is_lib argument.
4806         (add_input_file): Update call to Plugin_manager::add_input_file.
4807         (add_input_library): New.
4808         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
4810 2009-09-30  Doug Kwan  <dougkwan@google.com>
4812         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
4813         symbol and call Symbol::may_need_copy_reloc to determine if
4814         a copy reloc is needed.
4815         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
4816         nocopyreloc is given in command line.
4817         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
4818         given in command line.
4819         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
4820         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
4821         of the removed Target_i386::may_need_copy_reloc.
4822         * options.h (copyreloc): New option with default value false.
4823         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4824         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
4825         instead of the removed Target_powerpc::may_need_copy_reloc.
4826         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4827         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
4828         instead of the removed Target_sparc::may_need_copy_reloc.
4829         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
4830         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
4831         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
4832         instead of the removed Target_x86_64::may_need_copy_reloc.
4834 2009-09-30  Ian Lance Taylor  <iant@google.com>
4836         * object.h (class Object): Remove target_ field, and target,
4837         sized_target, and set_target methods.
4838         (Object::sized_target): Remove.
4839         (class Sized_relobj): Update declarations.  Remove sized_target.
4840         * object.cc (Sized_relobj::setup): Remove target parameter.
4841         Change all callers.
4842         (Input_objects::add_object): Don't do anything with the target.
4843         (make_elf_sized_object): Add punconfigured parameter.  Change all
4844         callers.  Set or test parameter target.
4845         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
4846         Change all callers.
4847         * parameters.cc (Parameters::set_target): Change parameter type to
4848         be non-const.
4849         (Parameters::default_target): Remove.
4850         (set_parameters_target): Change parameter type to be non-const.
4851         (parameters_force_valid_target): New function.
4852         (parameters_clear_target): New function.
4853         * parameters.h (class Parameters): Update declarations.  Remove
4854         default_target method.  Add sized_target and clear_target
4855         methods.  Change target_ to be non-const.
4856         (set_parameters_target): Update declaration.
4857         (parameters_force_valid_target): Declare.
4858         (parameters_clear_target): Declare.
4859         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
4860         as NULL if we aren't searching.
4861         (Add_symbols::run): Don't check for compatible target.
4862         * fileread.cc (Input_file::open_binary): Call
4863         parameters_force_valid_target.
4864         * gold.cc (queue_middle_tasks): Likewise.
4865         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
4866         set_target on object.
4867         * dynobj.h (class Sized_dynobj): Update declarations.
4868         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4869         make_elf_object returns NULL.
4870         (Archive::include_member): Don't check whether object target is
4871         compatible.
4872         * output.cc (Output_section::add_input_section): Get target from
4873         parameters.
4874         (Output_section::relax_input_section): Likewise.
4875         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4876         parameters.
4877         (Sized_relobj::do_scan_relocs): Likewise.
4878         (Sized_relobj::relocate_sections): Likewise.
4879         * resolve.cc (Symbol_table::resolve): Likewise.
4880         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
4881         parameter.  Change all callers.
4882         (Symbol_table::add_from_object): Get target from parameters.
4883         (Symbol_table::add_from_relobj): Don't check object target.
4884         (Symbol_table::add_from_dynobj): Likewise.
4885         (Symbol_table::define_special_symbol): Get target from
4886         parameters.
4887         * symtab.h (class Symbol_table): Update declaration.
4888         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4889         parameter.  Change all callers.  Clear parameter target.
4890         (Binary_test): Test target here.
4891         * testsuite/object_unittest.cc (gold_testsuite): Remove
4892         target_test_pointer parameter.  Change all callers.
4893         (Object_test): Test target here.
4895 2009-09-26  Ian Lance Taylor  <iant@google.com>
4897         * testsuite/initpri1.c: Don't try to use constructor priorities if
4898         compiling with gcc before 4.3.
4900 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
4902         * testsuite/retain_symbols_file_test.sh (check_present): Change
4903         output file name to retain_symbols_file_test.stdout.
4904         (check_absent): Likewise.
4906 2009-09-18  Craig Silverstein  <csilvers@google.com>
4908         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4909         * options.cc: Include <cerrno> and <fstream>.
4910         (General_options::finalize): Parse -retain-symbols-file tag.
4911         * options.h: New flag.
4912         (General_options): New method should_retain_symbol, new
4913         variable symbols_to_retain.
4914         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4915         should_retain_symbol map.
4916         * testsuite/Makefile.am (retain_symbols_file_test): New test.
4917         * testsuite/Makefile.in: Regenerate.
4918         * testsuite/retain_symbols_file_test.sh: New file.
4920 2009-09-18  Nick Clifton  <nickc@redhat.com>
4922         * po/es.po: Updated Spanish translation.
4924 2009-09-17  Doug Kwan  <dougkwan@google.com>
4926         * debug.h (DEBUG_RELAXATION): New constant.
4927         (DEBUG_ALL): Add DEBUG_RELAXATION.
4928         (debug_string_to_enum): Add relaxation debug option.
4929         * layout.cc
4930         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4931         Layout::Relaxation_debug_check::read_sections,
4932         Layout::Relaxation_debug_check::read_sections): New method definitions.
4933         (Layout::Layout): Initialize data members
4934         record_output_section_data_from_scrips_,
4935         script_output_section_data_list_ and relaxation_debug_check_.
4936         (Layout::save_segments, Layout::restore_segments,
4937         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4938         Layout::relaxation_loop_body): New method definitions.
4939         (Layout::finalize): Support relaxation.  Move section layout code to
4940         Layout::relaxation_loop_body.
4941         (Layout::set_asection_address_from_script): Move code for orphan
4942         section placement out.
4943         (Layout::place_orphan_sections_in_script): New method definition.
4944         * layout.h (Output_segment_headers, Output_file_header):
4945         New forward class declarations.
4946         (Layout::~Layout): Define.
4947         (Layout::new_output_section_data_from_script): New method definition.
4948         (Layout::place_orphan_sections_in_script): New method declaration.
4949         (Layout::Segment_states): New type declaration.
4950         (Layout::save_segments, Layout::restore_segments,
4951         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4952         Layout::relaxation_loop_body): New method declarations.
4953         (Layout::Output_section_data_list): New type declaration.
4954         (Layout::Relaxation_debug_check): New class definition.
4955         (Layout::record_output_section_data_from_script_,
4956         Layout::script_output_section_data_list_, Layout::segment_states_,
4957         Layout::relaxation_debug_check_): New data members.
4958         * output.cc: (Output_section_headers::do_size): New method definition.
4959         (Output_section_headers::Output_section_headers): Move size
4960         computation to Output_section_headers::do_size.
4961         (Output_segment_headers::do_size): New method definition.
4962         (Output_file_header::Output_file_header): Move size computation to
4963         Output_file_header::do_size and call it.
4964         (Output_file_header::do_size): New method definition.
4965         (Output_data_group::Output_data_group): Adjust call to
4966         Output_section_data.
4967         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4968         (Output_symtab_xindex::do_write): Add array bound check.
4969         (Output_section::Input_section::print_to_mapfile): Handle
4970         RELAXED_INPUT_SECTION_CODE.
4971         (Output_section::Output_section): Initialize data member checkpoint_.
4972         (Output_section::~Output_section): Delete checkpoint object pointed
4973         by checkpoint_.
4974         (Output_section::add_input_section): Always add an Input_section if
4975         relaxing.
4976         (Output_section::add_merge_input_section): Add assert.
4977         (Output_section::relax_input_section): New method definition.
4978         (Output_section::set_final_data_size): Set load address to zero for
4979         an unallocated section.
4980         (Output_section::do_address_and_file_offset_have_reset_values):
4981         New method definition.
4982         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4983         Handle relaxed input section.
4984         (Output_section::sort_attached_input_sections): Checkpoint input
4985         section list lazily.
4986         (Output_section::get_input_sections): Change type of input_sections to
4987         list of Simple_input_section pointers.  Checkpoint input section list
4988         lazily.  Also handle relaxed input sections.
4989         (Output_section::add_input_section_for_script): Take a reference to
4990         a Simple_input_section object instead of Relobj pointer and section
4991         index as parameter.  Handle relaxed input sections.
4992         (Output_section::save_states, Output_section::restore_states): New
4993         method definitions.
4994         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4995         (Output_data::is_data_size_fixed): New method definition.
4996         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4997         if it is fixed.
4998         (Output_data::address_and_file_offset_have_reset_values): New method
4999         definition.
5000         (Output_data::do_address_and_file_offset_have_reset_values): New method
5001         definition.
5002         (Output_data::set_data_size): Check that data size is not fixed.
5003         (Output_data::fix_data_size): New method definition.
5004         (Output_data::is_data_size_fixed_): New data member.
5005         (Output_section_headers::set_final_data_size): New method definition.
5006         (Output_section_headers::do_size): New method declaration.
5007         (Output_segment_headers::set_final_data_size): New method definition.
5008         (Output_segment_headers::do_size): New method declaration.
5009         (Output_file_header::set_final_data_size)::New method definition.
5010         (Output_file_header::do_size)::New method declaration.
5011         (Output_section_data::Output_section_data): Add new parameter
5012         is_data_size_fixed and use it to fix data size.
5013         (Output_data_const::Output_data_const): Adjust call to base class
5014         constructor and fix data size.
5015         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5016         base class constructor and fix data size.
5017         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5018         base class constructor and fix data size.
5019         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5020         class constructor and fix data size.
5021         (Output_data_group::set_final_data_size): New method definition.
5022         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5023         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5024         class constructor and fix data size.
5025         (Output_relaxed_input_section): New class definition.
5026         (Output_section::Simple_input_section): New class definition.
5027         (Output_section::get_input_sections): Adjust parameter list.
5028         (Output_section::add_input_section_for_script): Same.
5029         (Output_section::save_states, Output_section::restore_states,
5030         Output_section::do_address_and_file_offset_have_reset_values,
5031         (Output_section::Input_section::Input_section): Handle
5032         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5033         Output_relaxed_input_section.
5034         (Output_section::Input_section::is_input_section,
5035         Output_section::Input_section::set_output_section): Handle relaxed
5036         input section.
5037         (Output_section::Input_section::is_relaxed_input_section,
5038         Output_section::Input_section::output_section_data,
5039         Output_section::Input_section::relaxed_input_section): New method
5040         definitions.
5041         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5042         value.
5043         (Output_section::Input_section::u1_): Update comments.
5044         (Output_section::Input_section::u2_): Add new union member poris.
5045         (Output_section::Checkpoint_output_section): New classs definition.
5046         (Output_section::relax_input_section): New method declaration.
5047         (Output_section::checkpoint_): New data member.
5048         (Output_segment): Update comments.
5049         (Output_segment::Output_segment): Un-privatize copy constructor.
5050         (Output_segment::operator=): Un-privatize.
5051         * script-sections.cc (Output_section_element::Input_section_list):
5052         Change element type to Output_section::Simple_input_section.
5053         (Output_section_element_dot_assignment::set_section_addresses):
5054         Register output section data for relaxation clean up.
5055         (Output_data_exression::Output_data_expression): Adjust call to base
5056         constructor to fix data size.
5057         (Output_section_element_data::set_section_addresses): Register
5058         Output_data_expression object for relaxation clean up.
5059         (struct Input_section_info): Replace Relobj pointer and section index
5060         pair with Output_section::Simple_input_section and Convert struct to a
5061         class.
5062         (Input_section_sorter::operator()): Adjust access to
5063         Input_section_info data member to use accessors.
5064         (Output_section_element_input::set_section_addresses): Use layout
5065         parameter.  Adjust code to use Output_section::Simple_input_section
5066         and Input_secction_info classes.  Register filler for relaxation
5067         clean up.
5068         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5069         and section index pair with Output_section::Simple_input_section
5070         class.  Adjust code accordingly.
5071         (Phdrs_element::release_segment): New method definition.
5072         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5073         segment list.
5074         (Script_sections::release_segments): New method definition.
5075         * gold/script-sections.h (Script_sections::release_segments): New
5076         method declaration.
5077         * gold/target.h (Target::may_relax, Target::relax,
5078         Target::do_may_relax, Target::do_relax): New method definitions.
5080 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5082         * arm.cc (has_signed_unsigned_overflow): New function.
5083         (Arm_relocate_functions::abs8): New function.
5084         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5085         (Target_arm::Scan::global): Likewise.
5086         (Target_arm::relocate::relocate): Likewise.
5087         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5088         Likewise.
5090 2009-09-16  Cary Coutant  <ccoutant@google.com>
5092         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5093         * testsuite/Makefile.in: Regenerate.
5095 2009-09-11  Nick Clifton  <nickc@redhat.com>
5097         * po/gold.pot: Updated by the Translation project.
5099 2009-09-08  Cary Coutant  <ccoutant@google.com>
5101         * output.cc (Output_file::open): Add execute permission to empty file.
5102         * testsuite/Makefile.am (permission_test): New test.
5103         * testsuite/Makefile.in: Regenerate.
5105 2009-09-02  Ian Lance Taylor  <iant@google.com>
5107         * output.cc (Output_file::resize): Call map_no_anonymous rather
5108         than map.
5110 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5112         * gold.cc: Include "incremental.h".
5113         (queue_initial_tasks): Call Incremental_checker methods.
5114         * incremental.cc: Include "output.h".
5115         (Incremental_checker::can_incrementally_link_output_file): New
5116         method.
5117         * incremental.h (Incremental_checker): New class.
5119         * output.cc (Output_file::open_for_modification): New method.
5120         (Output_file::map_anonymous): Changed return type to bool.  Record
5121         map in base_ field.
5122         (Output_file::map_no_anonymous): New method, broken out of map.
5123         (Output_file::map): Use map_no_anonymous and map_anonymous.
5124         * output.h (class Output_file): Update declarations.
5126 2009-08-24  Cary Coutant  <ccoutant@google.com>
5128         * options.h (Command_line::Pre_options): New class.
5129         (Command_line::pre_options): New member.
5130         * options.cc (gold::options::ready_to_register): New variable.
5131         (One_option::register_option): Do nothing if not registering options.
5132         Assert if same short option registered twice.
5133         (General_options::General_options): Turn off option registration when
5134         done constructing.
5135         (Command_line::Pre_options::Pre_options): New constructor.
5137 2009-08-24  Cary Coutant  <ccoutant@google.com>
5139         * options.h (General_options::no_keep_memory): Remove incorrect
5140         short option.
5142 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5144         * Makefile.am (am__skiplex, am__skipyacc): New.
5145         * Makefile.in: Regenerate.
5147 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5149         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5150         (INCLUDES): ... this.
5151         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5152         (AM_CPPFLAGS): Renamed from ...
5153         (INCLUDE): ... this.
5154         * Makefile.in, testsuite/Makefile.in: Regenerate.
5156         * Makefile.in: Regenerate.
5157         * aclocal.m4: Likewise.
5158         * config.in: Likewise.
5159         * configure: Likewise.
5160         * testsuite/Makefile.in: Likewise.
5162         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5163         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5164         * Makefile.in: Regenerate.
5165         * testsuite/Makefile.in: Regenerate.
5167 2009-08-19  Cary Coutant  <ccoutant@google.com>
5169         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5170         symbols in shared libraries overridden by hidden or internal symbols
5171         in the main program.
5173 2009-08-19  Chris Demetriou  <cgd@google.com>
5175         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5176         checking source file names in error messages.
5178 2009-08-18  Doug Kwan  <dougkwan@google.com>
5180         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5181         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5182         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5183         an elfcpp::Ehdr as parameter.
5184         * object.cc (Object::set_target): Remove the version that looks up
5185         a target and sets it.
5186         (Sized_relobj::setup): Take a Target object instead of
5187         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5188         (make_elf_sized_object): Find target and ask target to
5189         make an ELF object.
5190         * object.h: (Object::set_target): Remove the version that looks up
5191         a target and sets it.
5192         (Sized_relobj::setup): Take a Target object instead of
5193         an elfcpp:Ehdr as parameter.
5194         * target.cc: Include dynobj.h.
5195         (Target::do_make_elf_object_implementation): New.
5196         (Target::do_make_elf_object): New.
5197         * target.h (Target::make_elf_object): New template declaration.
5198         (Target::do_make_elf_object): New method declarations.
5199         (Target::do_make_elf_object_implementation): New template declaration.
5201 2009-08-14  Ian Lance Taylor  <iant@google.com>
5203         * gold.h (FUNCTION_NAME): Define.
5204         (gold_unreachable): Use FUNCTION_NAME.
5206 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5208         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5209         symbol in the --keep-unique list is not found.
5211 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5213         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5214         been maked as --keep-unique.
5215         (Icf::unfold_section): New function.
5216         * icf.h (Icf::unfold_section): New function.
5217         * options.h (General_options::keep_unique): New option.
5218         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5219         * testsuite/Makefile.in: Regenerate.
5220         * testsuite/icf_keep_unique_test.sh: New file.
5221         * testsuite/icf_keep_unique_test.cc: New file.
5223 2009-08-12  Cary Coutant  <ccoutant@google.com>
5225         PR 10471
5226         * resolve.cc (Symbol_table::resolve): Check for references from
5227         dynamic objects to hidden and internal symbols.
5228         * testsuite/Makefile.am (hidden_test.sh): New test.
5229         * testsuite/Makefile.in: Regenerate.
5230         * testsuite/hidden_test.sh: New script.
5231         * testsuite/hidden_test_1.c: New test source.
5232         * testsuite/hidden_test_main.c: New test source.
5234 2009-08-11  Doug Kwan  <dougkwan@google.com>
5236         * arm.cc: Update comments.
5237         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5238         segment to locate the .ARM.exidx section if present.
5240 2009-08-09  Doug Kwan  <dougkwan@google.com>
5242         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5243         patch.
5245 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5246         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5247         compiler warnings.
5249 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5251         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5252         valid tls_segment only for non-debug-section relocations.
5253         * testsuite/Makefile.am: Add gc_tls_test.
5254         * testsuite/Makefile.in: Regenerate.
5255         * testsuite/gc_tls_test.cc: New file.
5256         * testsuite/gc_tls_test.sh: New file.
5258 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5260         * icf.cc: New file.
5261         * icf.h: New file.
5262         * Makefile.am (CCFILES): Add icf.cc.
5263         (HFILES): Add icf.h
5264         * Makefile.in: Regenerate.
5265         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5266         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5267         section, symbol and addend information for the relocs.
5268         * gold.cc (queue_middle_tasks): Call identical code folding.
5269         * gold.h: Add defines for multimap.
5270         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5271         to the call of finalize_local_symbols.
5272         * main.cc (main): Create object of class Icf.
5273         * object.cc (Sized_relobj::do_layout): Allow this function to be
5274         called twice during icf.
5275         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5276         to sections marked as identical by icf.
5277         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5278         when available.
5279         (Sized_relobj::do_section_entsize): New function.
5280         * object.h (Object::section_entsize): New function.
5281         (Object::do_section_entsize): New pure virtual function.
5282         (Relobj::finalize_local_symbols): Add new parameter.
5283         (Relobj::do_section_entsize): New function.
5284         * options.h (General_options::icf): New option.
5285         (General_options::icf_iterations): New option.
5286         (General_options::print_icf_sections): New option.
5287         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5288         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5289         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5290         icf.
5291         * symtab.cc (Symbol_table::is_section_folded): New function.
5292         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5293         to sections marked as identical by icf.
5294         * symtab.h (Symbol_table::set_icf): New function.
5295         (Symbol_table::icf): New function.
5296         (Symbol_table::is_section_folded): New function.
5297         (Symbol_table::icf_): New data member.
5298         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5299         * testsuite/Makefile.am: Add commands to build icf_test.
5300         * testsuite/Makefile.in: Regenerate.
5301         * testsuite/icf_test.sh: New file.
5302         * testsuite/icf_test.cc: New file.
5304 2009-07-24  Chris Demetriou  <cgd@google.com>
5306         * layout.cc (is_compressible_debug_section): Fix incorrect
5307         comment about compressed section names.
5309 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5311         PR 10419
5312         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5314 2009-07-16  Ian Lance Taylor  <iant@google.com>
5316         PR 10400
5317         * layout.h: #include <map>.
5318         (class Kept_section): Change from struct to class.  Add accessors
5319         and setters.  Add section size to Comdat_group mapping.  Change
5320         Comdat_group to std::map.  Add is_comdat_ field.  Add
5321         linkonce_size field in union.
5322         (class Layout): Update declaration of find_or_add_kept_section.
5323         Don't declare find_kept_object.
5324         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5325         parameter.  Add object, shndx, is_comdat, and is_group_name
5326         parameters.  Change all callers.  Adjust for new Kept_section.
5327         (Layout::find_kept_object): Remove.
5328         * object.cc (Sized_relobj::include_section_group): Update use of
5329         Kept_section.  Rename secnum to shndx.  Only record
5330         Kept_comdat_section if sections are the same size.
5331         (Sized_relobj::include_linkonce_section): Update use of
5332         Kept_section.  Only record Kept_comdat_section if sections are the
5333         same size.  Set size of linkonce section.
5334         (Sized_relobj::map_to_kept_section): Update call to
5335         get_kept_comdat_section.
5336         * object.h (class Sized_relobj): Rename fields in
5337         Kept_comdat_section to drop trailing underscores; change object
5338         field to Relobj*.  Change Kept_comdat_section_table to store
5339         struct rather than pointer.
5340         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5341         Add kept_object and kept_shndx parameters.  Change all callers.
5342         (Sized_relobj::get_kept_comdat_section): Change return type to
5343         bool.  Add kept_object and kept_shndx parameters.  Change all
5344         callers.
5345         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5346         Layout::find_or_add_kept_section.
5348 2009-07-09  Ian Lance Taylor  <iant@google.com>
5350         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5351         Reserve space in the hash table.
5353 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5355         * fileread.cc (File_read::get_mtime): New method.
5356         * fileread.h (Timespec): New structure.
5357         (File_read::get_mtime): New method.
5358         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5359         Renamed from timestamp_nsec.
5360         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5361         Elf_Xword.
5362         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5363         timestamp_nsec.
5364         (Incremental_inputs::report_archive): Save mtime; style fix.
5365         (Incremental_inputs::report_obejct): Save mtime; style fix.
5366         (Incremental_inputs::report_script): Save mtime; style fix.
5367         (Incremental_inputs::finalize_inputs): Style fix.
5368         (Incremental_inputs::finalize): Style fix.
5369         (Incremental_inputs::create_input_section_data): Store inputs
5370         mtime.
5371         * incremental.h (Incremental_inputs::report_script): Add mtime
5372         argument.
5373         (Incremental_inputs::Input_info::Input_info): Intialize only one
5374         union member.
5375         (Incremental_inputs::Input_info::archive): Move to nameless
5376         union.
5377         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5378         (Incremental_inputs::Input_info::script): Move to nameless union.
5379         (Incremental_inputs::mtime): New field.
5380         * script.cc (read_input_script): Pass file mtime to
5381         Incremental_input.
5382         * script.h (Script_info::inputs): Style fix.
5384 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5386         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5387         instead of 32.
5389 2009-06-24  Ian Lance Taylor  <iant@google.com>
5391         PR 10156
5392         * layout.cc (Layout::choose_output_section): If we find an
5393         existing section, update the flags.
5394         (Layout::create_notes): New function, broken out of
5395         Layout::finalize.
5396         (Layout::finalize): Don't create note sections.
5397         (Layout::create_note): Don't crash if linker script discards
5398         section.
5399         (Layout::create_gold_note): Likewise.
5400         (Layout::create_build_id): Likewise.  Don't set
5401         after_input_sections on the section.
5402         (Layout::create_executable_stack_info): Remove target parameter.
5403         Change caller.
5404         * layout.h (class Layout): Declare create_notes.  Update
5405         declaration of create_executable_stack_info.
5406         * gold.cc (queue_middle_tasks): Call create_notes.
5407         * output.cc (Output_section::update_flags_for_input_section): Move
5408         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5409         invalid.
5410         * output.h (Output_data::mark_address_invalid): New function.
5411         (class Output_section): Only declare, not define,
5412         update_flags_for_input_section.  Remove set_flags.
5414 2009-06-24  Ian Lance Taylor  <iant@google.com>
5416         * script-sections.cc (Output_section_definition::
5417         set_section_addresses): Rename shadowing local load_address to
5418         laddr.
5420 2009-06-24  Ian Lance Taylor  <iant@google.com>
5422         PR 10244
5423         * reloc.cc (relocate_sections): Skip empty relocation sections.
5425 2009-06-23  Ian Lance Taylor  <iant@google.com>
5427         PR 10156
5428         * layout.cc (Layout::create_note): Use choose_output_section
5429         rather than make_output_section.
5431 2009-06-23  Ian Lance Taylor  <iant@google.com>
5433         PR 10237
5434         * options.cc (General_options::parse_V): Set printed_version_.
5435         (General_options::General_options): Initialize printed_version_.
5436         * options.h (class General_options): Add printed_version_ field.
5437         * gold.cc (queue_initial_tasks): If there are no input files,
5438         don't give a fatal error if we printed the version information.
5439         (queue_middle_tasks): If using -r with a shared object, give a
5440         fatal error rather than an ordinary error.
5442 2009-06-23  Ian Lance Taylor  <iant@google.com>
5444         PR 10219
5445         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5446         (Layout::make_output_section): Set have_stabstr_section_ if we see
5447         a .stab*str section.
5448         (Layout::finalize): Call link_stabs_sections.
5449         (Layout::link_stabs_sections): New file.
5450         * layout.h (class Layout): Add have_stabstr_section_ field.
5451         Declare link_stabs_sections.
5453 2009-06-23  Doug Kwan  <dougkwan@google.com>
5455         * Makefile.am (libgold_a_LIBADD): New.
5456         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5457         * Makefile.in: Regenerate.
5458         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5459         * configure: Regenerate.
5460         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5461         * fileread.cc: Include sys/state.h
5462         * gold.h: Declare memmem and strndup if found missing.
5463         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5465 2009-06-23  Ian Lance Taylor  <iant@google.com>
5467         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5468         * configure: Rebuild.
5470 2009-06-23  Ian Lance Taylor  <iant@google.com>
5472         PR 10147
5473         * object.cc (Object::section_contents): Don't try to get a view if
5474         the section has length zero.
5475         (Object::handle_gnu_warning_section): If the section is empty, use
5476         the name of the section as the warning.
5478 2009-06-23  Ian Lance Taylor  <iant@google.com>
5480         PR 10133
5481         * stringpool.h (class Stringpool_template): Add optimize_ field.
5482         (Stringpool_template::set_optimize): New function.
5483         * stringpool.cc (Stringpool_template::Stringpool_template):
5484         Initialize optimize_ field.
5485         (Stringpool_template::set_string_offsets): Test local optimize
5486         fild rather than parameter.
5487         * layout.cc (Layout::Layout): Call set_optimize on the section
5488         name stringpool.
5490 2009-06-22  Ian Lance Taylor  <iant@google.com>
5492         PR 10030
5493         * yyscript.y: Parse TARGET.
5494         * script.cc (script_set_target): New function.
5495         * script-c.h (script_set_target): Declare.
5496         * options.cc (General_options::string_to_object_format): Rename
5497         from string_to_object_format in anonymous namespace.  Change
5498         callers.
5499         * options.h (class General_options): Declare
5500         string_to_object_format.
5502 2009-06-22  Ian Lance Taylor  <iant@google.com>
5504         * script-sections.cc (Script_sections::create_segments): Don't put
5505         program headers in a PT_LOAD segment if -n or -N.
5507 2009-06-22  Ian Lance Taylor  <iant@google.com>
5509         PR 10141
5510         * options.h (class General_options): Add -z lazy and -z now.  Sort
5511         -z options into alphabetical order.
5512         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5514 2009-06-21  Ian Lance Taylor  <iant@google.com>
5516         * layout.cc (Layout::make_output_section): Call
5517         Target::new_output_section.
5518         (Layout::attach_allocated_section_to_segment): Put large section
5519         sections in a separate load segment with the large segment flag
5520         set.
5521         (Layout::segment_precedes): Sort large data segments after other
5522         load segments.
5523         (align_file_offset): New static function.
5524         (Layout::set_segment_offsets): Use align_file_offset.
5525         * output.h (class Output_section): Add is_small_section_ and
5526         is_large_section_ fields.
5527         (Output_section::is_small_section): New function.
5528         (Output_section::set_is_small_section):  New function.
5529         (Output_section::is_large_section): New function.
5530         (Output_section::set_is_large_section): New function.
5531         (Output_section::is_large_data_section): New function.
5532         (class Output_segment): Add is_large_data_segment_ field.
5533         (Output_segment::is_large_data_segment): New function.
5534         (Output_segment::set_is_large_data_segment): New function.
5535         * output.cc (Output_section::Output_section): Initialize new
5536         fields.
5537         (Output_segment::Output_segment): Likewise.
5538         (Output_segment::add_output_section): Add assertion that large
5539         data sections always go in large data segments.  Force small data
5540         sections to the end of the list of data sections.  Force small BSS
5541         sections to the start of the list of BSS sections.  For large BSS
5542         sections to the end of the list of BSS sections.
5543         * symtab.h (class Symbol): Declare is_common_shndx.
5544         (Symbol::is_defined): Check Symbol::is_common_shndx.
5545         (Symbol::is_common): Likewise.
5546         (class Symbol_table): Define enum Commons_section_type.  Update
5547         declarations.  Add small_commons_ and large_commons_ fields.
5548         * symtab.cc (Symbol::is_common_shndx): New function.
5549         (Symbol_table::Symbol_table): Initialize new fields.
5550         (Symbol_table::add_from_object): Put small and large common
5551         symbols in the right list.
5552         (Symbol_table::sized_finalized_symbol): Check
5553         Symbol::is_common_shndx.
5554         (Symbol_table::sized_write_globals): Likewise.
5555         * common.cc (Symbol_table::do_allocate_commons): Allocate new
5556         common symbol lists.  Don't call do_allocate_commons_list if the
5557         list is empty.
5558         (Symbol_table::do_allocate_commons_list): Remove is_tls
5559         parameter.  Add comons_section_type parameter.  Change all
5560         callers.  Handle small and large common symbols.
5561         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5562         Symbol::is_common_shndx.
5563         * resolve.cc (symbol_to_bits): Likewise.
5564         * target.h (Target::small_common_shndx): New function.
5565         (Target::small_common_section_flags): New function.
5566         (Target::large_common_shndx): New function.
5567         (Target::large_common_section_flags): New function.
5568         (Target::new_output_section): New function.
5569         (Target::Target_info): Add small_common_shndx, large_common_shndx,
5570         small_common_section_flags, and large_common_section_flags
5571         fields.
5572         (Target::do_new_output_section): New virtual function.
5573         * arm.cc (Target_arm::arm_info): Initialize new fields.
5574         * i386.cc (Target_i386::i386_info): Likewise.
5575         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5576         Likewise.
5577         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5578         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5579         (Target_x86_64::do_new_output_section): New function.
5580         * configure.ac: Define conditional MCMODEL_MEDIUM.
5581         * testsuite/Makefile.am (check_PROGRAMS): Add large.
5582         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5583         (large_LDFLAGS): Define.
5584         * testsuite/large.c: New file.
5585         * testsuite/testfile.cc (Target_test::test_target_info):
5586         Initialize new fields.
5587         * configure, testsuite/Makefile.in: Rebuild.
5589 2009-06-05  Doug Kwan  <dougkwan@google.com>
5591         * Makefile.am (CCFILES): Add target.cc.
5592         * Makefile.in: Regenerate.
5593         * i386.cc (class Target_i386): Define new virtual method to
5594         override do_is_local_label_name in parent.
5595         * object.cc (Sized_relobj::do_count_local_symbols): Discard
5596         local symbols if --discard-locals or -X is given.
5597         * options.h (class General_options): Declare new options
5598         '--discard-locals' and '-X' for discarding locals.
5599         * target.h (class Target): Define new methods is_local_label_name.
5600         Declare new virtual method do_is_local_label_name.
5601         * target.cc: New file.
5602         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5603         (check_SCRIPTS): Add discard_locals_test.sh.
5604         (check_DATA): Add discard_local_tests.syms.
5605         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5606         (discard_local_tests.syms, discard_locals_test.o): New make rules.
5607         * testsuite/Makefile.in: Regenerate.
5608         * testsuite/discard_locals_test.c: New file.
5609         * testsuite/discard_locals_test.sh: Same.
5611 2009-06-05  Doug Kwan  <dougkwan@google.com>
5613         * object.cc (Sized_relobj::Sized_relobj): Initialize
5614         discarded_eh_frame_shndx_ to -1U.
5615         (Sized_relobj::do_layout): Record index of a discard .eh_frame
5616         section.
5617         (Sized_relobj::do_count_local_symbols): Skip local symbols in
5618         a discarded .eh_frame section.
5619         (Sized_relobj::do_finalize_local_symbols): Ditto.
5620         * object.h (class Sized_relobj): Declare new member
5621         discarded_eh_frame_shndx_.
5622         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5623         (local_labels_test.o, local_labels_test): New rules.
5624         * testsuite/Makefile.in: Regenerate.
5626 2009-06-04  Doug Kwan  <dougkwan@google.com>
5628         * layout.cc (Layout::section_name_mapping): Add mapping for
5629         special ARM sections.
5631 2009-06-03  Doug Kwan  <dougkwan@google.com>
5633         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5634         (utils::has_overflow): Same.
5636 2009-06-03  Ian Lance Taylor  <iant@google.com>
5638         * layout.cc (Layout::section_name_mapping): New array, replacing
5639         Layout::linkonce_mapping.
5640         (Layout::section_name_mapping_count): New variable, replacing
5641         Layout::linkonce_mapping_count.
5642         (Layout::linkonce_output_name): Remove.
5643         (Layout::output_section_name): Rewrite.
5644         * layout.h (class Layout): Rename Linkonce_mapping to
5645         Section_name_mapping, linkonce_mapping to section_name_mapping,
5646         linkonce_mapping_count to section_name_mapping_count.  Don't
5647         declare linkonce_output_name.
5649 2009-06-03  Doug Kwan  <dougkwan@google.com>
5651         * gold/arm.cc (namespace utils): New.
5652         (Target_arm::reloc_is_non_pic): Define new method.
5653         (class Arm_relocate_functions): New.
5654         (Target_arm::Relocate::relocate): Handle relocation types used by
5655         Android.
5657 2009-06-03  Ian Lance Taylor  <iant@google.com>
5659         * arm.cc (Target_arm::scan::global): Use || instead of |.
5661 2009-06-02  Doug Kwan  <dougkwan@google.com>
5663         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
5664         issued_non_pic_error_.
5665         (class Target_arm::Scan): Declare new method check_non_pic.
5666         Define new method symbol_needs_plt_entry.
5667         Declare new data member issued_non_pic_error_.
5668         (class Target_arm::Relocate): Declare new method
5669         should_apply_static_reloc.
5670         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5671         (Target_arm::Scan::check_non_pic): Define new method.
5672         (Target_arm::Scan::local): Handle a small subset of reloc types used
5673         by Android.
5674         (Target_arm::Scan::local): Same.
5675         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5677 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
5679         * incremental.cc (Incremental_inputs::report_command_line): Filter
5680         out --incremental-* options.
5682 2009-05-29  Doug Kwan  <dougkwan@google.com>
5684         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5685         template class.
5686         (class Target_arm): Update comment.
5687         (Target_arm::Target_arm): Initialize new data members GOT_,
5688         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5689         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5690         and Target_arm::rel_dyn_section.
5691         Declare new_enum Target_arm::Got_type.
5692         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5693         and DYNBSS_.
5694         Update commments for member do_dynsym_value.
5695         (Target_arm::got_size, Target_arm::plt_section,
5696         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5697         new methods inside class defintion.
5698         (Target_arm::got_section): Define new method.
5699         (Target_arm::rel_dyn_section): Same.
5700         (Output_data_plt_arm): New template class.
5701         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5702         (Output_data_plt_arm:do_adjust_output_section): Define new method.
5703         (Output_data_plt_arm::add_entry): Same.
5704         (Output_data_plt_arm::first_plt_entry): Define new
5705         static data member for PLT instruction template.
5706         (Output_data_plt_arm::plt_entry): Same.
5707         (Output_data_plt_arm::do_write): Define new method.
5708         (Target_arm::make_plt_entry): Same.
5709         (Target_arm::do_finalize_sections): Same.
5710         (Target_arm::do_dynsym_value): Same.
5712 2009-05-28  Doug Kwan  <dougkwan@google.com>
5714         * Makefile.am (TARGETSOURCES): Add arm.cc.
5715         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
5716         * Makefile.in: Regenerate.
5717         * arm.cc: New file.
5718         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
5720 2009-05-26  Doug Kwan  <dougkwan@google.com>
5722         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
5723         (General_options::check_excluded_libs): Strip off directories in
5724         archive name before matching like GNU ld does.
5725         * testsuite/Makefile.am (MOSTLYCLEANFILES,
5726         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
5727         (exclude_libs_test_LDFLAGS): Add linker option
5728         -Wl,--exclude-libs,libexclude_libs_test_3
5729         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5730         an explicit archive without using -l.
5731         (alt/libexclude_libs_test_3.a): New make rule.
5732         * testsuite/Makefile.in: Regenerate.
5733         * testsuite/exclude_libs_test.c : Declare lib3_default().
5734         (main): Call it.
5735         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5736         * exclude_libs_test_3.c: New file.
5738 2009-05-26  Nick Clifton  <nickc@redhat.com>
5740         * po/id.po: New Indonesian translation.
5741         * po/gold.pot: Updated template file.
5743 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
5745         * testsuite/Makefile.am: Add -ffunction-sections to compile
5746         gc_comdat_test files.  Add -Wl,--gc-sections to build
5747         gc_comdat_test.
5748         * testsuite/Makefile.in: Regenerate.
5749         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5751 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
5753         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5754         kept comdat section was garbage collected.
5755         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
5756         * testsuite/Makefile.in: Regenerate.
5757         * testsuite/gc_comdat_test.sh: New file.
5758         * testsuite/gc_comdat_test_1.cc: New file.
5759         * testsuite/gc_comdat_test_2.cc: New file.
5761 2009-05-19  Doug Kwan  <dougkwan@google.com>
5763         * archive.cc (Archive::Archive): Move constructor from archive.h
5764         to here.  Initialize no_export_.
5765         (Archive::get_elf_object_for_member): Set no_export flag of object.
5766         * archive.h (Archive::Archive): Move constructor body to
5767         archive.cc.
5768         (Archive::no_export): New method.
5769         (Archive::no_export_): New field.
5770         * object.h (Object::Object): Initialize no_export_ to false.
5771         (Object::no_export, Object::set_no_export): New methods.
5772         (Object::no_export_): New field.
5773         * options.cc (General_options::parse_exclude_libs): New method.
5774         (General_options::check_excluded_libs) Same.
5775         * options.h (exclude_libs): New option.
5776         (General_options::check_excluded_libs): New method declaration.
5777         (General_options::excluded_libs_): New field.
5778         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
5779         default or protected visibility if an object has no-export flag set.
5780         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
5781         (check_SCRIPTS): Add exclude_libs_test.sh.
5782         (check_DATA): Add exclude_libs_test.syms.
5783         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
5784         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
5785         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
5786         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
5787         (exclude_libs_test.syms, libexclude_libs_test_1.a,
5788         libexclude_libs_test_2.a): New rules.
5789         * testsuite/Makefile.in: Regenerate.
5790         * testsuite/exclude_libs_test.c: New file.
5791         * testsuite/exclude_libs_test.sh: Ditto.
5792         * testsuite/exclude_libs_test_1.c: Ditto.
5793         * testsuite/exclude_libs_test_2.c: Ditto.
5795 2009-05-15  Ian Lance Taylor  <iant@google.com>
5797         * configure.ac: Check for declarations for cases where libiberty.h
5798         checks HAVE_DECL_xxx.
5799         * configure, config.in: Rebuild.
5801 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
5803         * gold.h (Incremental_argument_list): Remove (invalid) forward
5804         declaration.
5805         * incremental.cc (Incremental_inputs::report_achive): New method.
5806         (Incremental_inputs::report_object): New method.
5807         (Incremental_inputs::report_script): New method.
5808         (Incremental_inputs::finalize_inputs): New method.
5809         (Incremental_inputs::finalize): Call finalize_inputs().
5810         (Incremental_inputs::sized_create_incremental_inputs_section_data):
5811         Create inputs entries.
5812         * incremental.h (Incremental_input_type): New enum.
5813         (Incremental_inputs::Incremental_input): Initialize new fields.
5814         (Incremental_inputs::report_inputs): New method.
5815         (Incremental_inputs::report_achive): New method.
5816         (Incremental_inputs::report_object): New method.
5817         (Incremental_inputs::report_script): New method.
5818         (Incremental_inputs::finalize_inputs): New method.
5819         (Incremental_inputs::Input_info): New struct.
5820         (Incremental_inputs::Input_info_map): New typedef.
5821         (Incremental_inputs::lock_): New field.
5822         (Incremental_inputs::Inputs_): New field.
5823         (Incremental_inputs::Inputs_map): New field.
5824         * main.cc (main): Call Incremental_input::report_inputs.
5825         * options.h (Input_argument_list): Typedef moved from
5826         Input_arguments.
5827         (Input_file_group::Files): Remove, use ::Input_argument_list.
5828         (Input_file_group::Input_argument_list): Remove, use
5829         ::Input_argument_list.
5830         * plugin.cc (Plugin_manager::add_input_file): Add error in
5831         incremental build.
5832         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
5833         functions.
5834         * script.cc (read_input_script): Call
5835         Incremental_input::report_script.
5836         * script.h (Script_info): New class.
5838 2009-04-27  Ian Lance Taylor  <iant@google.com>
5840         * x86_64.cc (do_adjust_output_section): Set entsize to
5841         plt_entry_size.
5843 2009-04-23  Elliott Hughes  <enh@google.com>
5845         * output.cc (Output_file::close): After short writes, continue
5846         writing from the correct offset in the buffer being written.
5848 2009-04-23  Chris Demetriou  <cgd@google.com>
5850         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
5851         * configure: Regenerate.
5852         * config.in: Regenerate.
5853         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
5854         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
5856 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
5858         * incremental.cc (Incremental_inputs_header_data): Renamed from
5859         Incremental_input_header_data.
5860         (Incremental_inputs_header_data::data_size): New field.
5861         (Incremental_inputs_header_data::put_input_file_count): Renamed
5862         from input_file_count.
5863         (Incremental_inputs_header_data::put_command_line_offset): Renamed
5864         from command_line_offset.
5865         (Incremental_inputs_header_data::put_reserved): Renamed from
5866         put_reserved.
5867         (Incremental_inputs_entry_data): Renamed from
5868         Incremental_input_entry_data.
5869         (Incremental_inputs_entry_data::data_size): New field.
5870         (Incremental_inputs::report_command_line): New method.
5871         (Incremental_inputs::finalize): New method.
5872         (Incremental_inputs::create_incremental_inputs_data): New method.
5873         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5874         * incremental.h: New file.
5875         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5876        (Layout::finalize): Create incremental inputs section in
5877         incremental builds.
5878        (Layout::create_incremental_info_sections): New method.
5879         * layout.h (Layout::incremental_inputs): New method.
5880        (Layout::create_incremental_info_sections): New method.
5881        (Layout::incremental_inputs_): New field.
5882         * main.cc (main): Notify Incremental_input of the command line.
5884 2009-04-01  Ian Lance Taylor  <iant@google.com>
5885             Mikolaj Zalewski  <mikolajz@google.com>
5887         * gold.h (reserve_unordered_map): Define, three versions, one for
5888         each version of Unordered_map.
5889         * layout.cc (Layout::Layout): Remove options parameter.  Add
5890         number_of_input_files parameter.  Don't initialize options_.
5891         Initialize number_of_input_files_ and resized_signatures_.  Move
5892         sections_are_attached_.
5893         (Layout::layout_group): Reserve space for group_signatures_.
5894         (Layout::find_or_add_kept_section): Change name parameter to be a
5895         reference.  Resize signatures_ map when it gets large enough.
5896         (Layout::layout_eh_frame): Use parameters->options() instead of
5897         this->options_.
5898         (Layout::make_output_section): Likewise.
5899         (Layout::attach_allocated_section_to_segment): Likewise.
5900         (Layout::finalize, Layout::create_executable_stack): Likewise.
5901         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5902         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5903         * layout.h (class Layout): Update declarations.  Remove options_
5904         field.  Add number_of_input_files_ and resized_signatures_
5905         fields.  Move sections_are_attached_ field.
5906         * main.cc (main): Pass number of input files to Layout
5907         constructor.  Don't pass options.
5909 2009-03-30  Ian Lance Taylor  <iant@google.com>
5911         * ffsll.c (ffsll): Correct implementation.
5913 2009-03-27  Ian Lance Taylor  <iant@google.com>
5915         * ffsll.c: New file.
5916         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5917         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5918         * ftruncate.c (ftruncate): Declare before definition.
5919         * mremap.c (mremap): Likewise.
5920         * pread.c (pread): Likewise.
5921         * configure, Makefile.in, config.in: Rebuild.
5923         * mremap.c: New file.
5924         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5925         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5926         (mremap): Declare if HAVE_MREMAP is not defined.
5927         * configure, Makefile.in, config.in: Rebuild.
5929 2009-03-27  Cary Coutant  <ccoutant@google.com>
5931         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5932         position independent.
5933         * sparc.cc (Target_sparc::check_non_pic): Likewise.
5934         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5936 2009-03-24  Cary Coutant  <ccoutant@google.com>
5938         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5939         an executable.
5940         (needs_dynamic_reloc): Likewise.
5942 2009-03-24  Ian Lance Taylor  <iant@google.com>
5944         * yyscript.y (file_cmd): Recognize EXTERN.
5945         (extern_name_list, extern_name_list_body): New nonterminals.
5946         * script.cc (script_add_extern): Define.
5947         * script-c.h (script_add_extern): Declare.
5949 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
5951         * object.cc (is_elf_object): Define.
5952         * object.h (is_elf_object): Declare.
5953         * archive.cc (Archive::get_elf_object_for_member): Call
5954         is_elf_object.
5955         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5957 2009-03-24  Elliott Hughes  <enh@google.com>
5959         * output.cc (Output_file::map_anonymous): Define.
5960         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
5961         try an anonymous one.  Report the size if the mmap fails.
5962         * output.h (class Output_file): Declare map_anonymous.
5964 2009-03-24  Ian Lance Taylor  <iant@google.com>
5966         * target-select.cc (instantiate_target): Don't acquire the lock if
5967         the instantiated_target_ field has already been set.
5969 2009-03-23  Ian Lance Taylor  <iant@google.com>
5971         * gold-threads.h (class Initialize_lock): Define.
5972         * gold-threads.cc (class Initialize_lock_once): Define.
5973         (initialize_lock_control): New static variable.
5974         (initialize_lock_pointer): New static variable.
5975         (initialize_lock_once): New static function.
5976         (Initialize_lock::Initialize_lock): Define.
5977         (Initialize_lock::initialize): Define.
5978         * target-select.h: Include "gold-threads.h".
5979         (class Target_selector): Add lock_ and initialize_lock_ fields.
5980         Don't define instantiate_target, just declare it.
5981         * target-select.cc (Target_selector::Target_selector): Initialize
5982         new fields.
5983         (Target_selector::instantiate_target): Define.
5984         * descriptors.h: Include "gold-threads.h".
5985         (class Descriptors): Add initialize_lock_ field.
5986         * descriptors.cc (Descriptors::Descriptors): Initialize new
5987         field.
5988         (Descriptors::open): Use initialize_lock_ field
5989         * errors.h (class Errors): Add initialize_lock_ field.
5990         * errors.cc (Errors::Errors): Initialize new field.
5991         (Errors::initialize_lock): Use initialize_lock_ field.
5992         * powerpc.cc (class Target_selector_powerpc): Remove
5993         instantiated_target_ field.  In do_recognize call
5994         instantiate_target rather than do_instantiate_target.  In
5995         do_instantiate_target just allocate a new target.
5996         * sparc.cc (class Target_selector_sparc): Likewise.
5998         * freebsd.h: New file.
5999         * i386.cc: Include "freebsd.h".
6000         (Target_i386): Derive from Target_freebsd rather than
6001         Sized_target.
6002         (Target_selector_i386): Derive from Target_selector_freebsd rather
6003         than Target_selector.
6004         * x86_64.cc: Include "freebsd.h".
6005         (Target_x86_64): Derive from Target_freebsd rather than
6006         Sized_target.
6007         (Target_selector_x86_64): Derive from Target_selector_freebsd
6008         rather than Target_selector.
6009         * target.h (class Target): Add adjust_elf_header and
6010         do_adjust_elf_header.
6011         * output.cc (Output_file_header:: do_sized_write): Call target
6012         adjust_elf_header routine.
6013         * configure.tgt: Set targ_osabi.
6014         * configure.ac: Define GOLD_DEFAULT_OSABI.
6015         * parameters.cc (Parameters::default_target): Pass
6016         GOLD_DEFAULT_OSABI to select_target.
6017         * target-select.h (class Target_selector): Make instantiate_target
6018         protected rather than private.
6019         * Makefile.am (HFILES): Add freebsd.h.
6020         * configure, Makefile.in, config.in: Rebuild.
6022         * merge.cc (do_add_input_section): Correct pend value.  Change
6023         message about last entry not being null terminated from error to
6024         warning.
6026 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6028         * incremental.cc: New file.
6029         * Makefile.am (CCFILES): Add incremental.cc.
6030         * Makefile.in: Rebuild.
6032 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6034         * layout.cc (Layout::output_section_name): Preserve names
6035         of '.note.' sections.
6037 2009-03-19  Ian Lance Taylor  <iant@google.com>
6039         * descriptors.cc (Descriptors::open): Check that the options are
6040         valid before using them.
6042 2009-03-18  Ian Lance Taylor  <iant@google.com>
6044         * script-sections.h: Include <list>.
6045         (class Script_sections): Change Sections_elements from std::vector
6046         to std::list.  Typedef public Elements_iterator.  Add
6047         orphan_section_placement_, data_segment_align_start_, and
6048         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6049         field.
6050         * script-sections.cc (class Orphan_section_placement): New class.
6051         (class Sections_element): Add virtual functions is_relro and
6052         orphan_section_init.  Remove virtual function place_orphan_here.
6053         (class Output_section_definition): Add is_relro and
6054         orphan_section_init.  Remove place_orphan_here.
6055         (class Orphan_output_section): Likewise.
6056         (Script_sections::Script_sections): Update for field changes.
6057         (Script_sections::data_segment_align): Set saw_data_segment_align_
6058         and data_segment_align_start_, not data_segment_align_index.
6059         (Script_sections::data_segment_relro_end): Check
6060         saw_data_segment_align_.  Use data_segment_align_start_ rather
6061         than data_segment_align_index_.
6062         (Script_sections::place_orphan): Rewrite to use
6063         Orphan_section_placement.
6065 2009-03-17  Ian Lance Taylor  <iant@google.com>
6067         * archive.cc (Archive::add_symbols): Check for a version attached
6068         to the symbol name in the archive map.
6069         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6070         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6071         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6072         (ver_test_11.a): New target.
6073         * testsuite/Makefile.in: Rebuild.
6075         * configure.ac: Check for chsize and posix_fallocate.  Replace
6076         ftruncate.
6077         * ftruncate.c: New file, from gnulib.
6078         * output.cc (posix_fallocate): Define dummy version if not
6079         HAVE_POSIX_FALLOCATE.
6080         (Output_file::map): Call posix_fallocate rather than lseek and
6081         write.
6082         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6083         * configure, Makefile.in, config.in: Rebuild.
6085 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6087         * layout.h (Layout::create_note): Add section_name parameter.
6088         * layout.cc (Layout::create_note): Likewise.
6089         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6091 2009-03-17  Ian Lance Taylor  <iant@google.com>
6093         * descriptors.cc: Include "options.h".
6094         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6095         (Descriptors::open): Always use O_CLOEXEC when opening a new
6096         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6097         then set FD_CLOEXEC.
6099         * sparc.cc (class Target_sparc): Add has_got_section.
6100         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6101         make sure we have a GOT section.
6103         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6104         (Target_sparc::Scan::local): Likewise.
6105         (Target_sparc::Scan::global): Likewise.
6106         (Target_sparc::Relocate::relocate): Likewise.
6107         (Target_sparc::Relocate::relocate_tls): Likewise.
6109         * symtab.cc (Symbol_table::define_default_version): New function,
6110         broken out of add_from_object.
6111         (Symbol_table::add_from_object): Call define_default_version.
6112         (Symbol_table::define_special_symbol): Add resolve_oldsym
6113         parameter.  Change all callers.  If the version for a symbol comes
6114         from a version script, resolve it with the symbol with the same
6115         name with no version.  Also add the symbol without a version if
6116         appropriate.
6117         (do_define_in_output_data): If resolving with oldsym, don't delete
6118         sym.
6119         (do_define_in_output_segment): Likewise.
6120         (do_define_as_constant): Likewise.
6121         * symtab.h (class Symbol_table): Update declarations.
6123 2009-03-13  Ian Lance Taylor  <iant@google.com>
6125         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6126         (Read_symbols::requeue): New function.
6127         (Read_symbols::do_read_symbols): If make_elf_object fails because
6128         the target type is not configured, and the file was searched for,
6129         issue a warning and retry with the next directory.
6130         (Add_symbols::run): If the file has an incompatible format, and
6131         it was searched for, requeue the Read_symbols task.  On error,
6132         release the object.
6133         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6134         dirindex parameter to constructor.  Change all callers.  Declare
6135         incompatible_warning and requeue.
6136         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6137         input_argument_ and input_group_ fields.  Add them to
6138         constructor.  Change all callers.
6139         (class Read_script): Add dirindex_ field.  Add it to constructor.
6140         Change all callers.
6141         * archive.cc (Archive::setup): Remove input_objects parameter.
6142         Change all callers.
6143         (Archive::get_file_and_offset): Likewise.
6144         (Archive::read_all_symbols): Likewise.
6145         (Archive::read_symbols): Likewise.
6146         (Archive::get_elf_object_for_member): Remove input_objects
6147         parameter.  Add punconfigured parameter.  Change all callers.
6148         (Archive::add_symbols): Change return type to bool.  Check return
6149         value of include_member.
6150         (Archive::include_all_members): Likewise.
6151         (Archive::include_member): Change return type to bool.  Return
6152         false if first included object has incompatible target.  Set
6153         included_member_ field.
6154         (Add_archive_symbols::run): If add_symbols returns false, requeue
6155         Read_symbols task.
6156         * archive.h (class Archive): Add included_member_ field.
6157         Initialize it in constructor.  Add input_file and searched_for
6158         methods.  Update declarations.
6159         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6160         input_argument_ fields.  Add them to constructor.  Change all
6161         callers.
6162         * script.cc: Include "target-select.h".
6163         (class Parser_closure): Add skip_on_incompatible_target_ and
6164         found_incompatible_target_ fields.  Add
6165         skip_on_incompatible_target parameter to constructor.  Change all
6166         callers.  Add methods skip_on_incompatible_target,
6167         clear_skip_on_incompatible_target, found_incompatible_target, and
6168         set_found_incompatible_target.
6169         (read_input_script): Add dirindex parameter.  Change all callers.
6170         If parser finds an incompatible target, requeue Read_symbols
6171         task.
6172         (script_set_symbol): Clear skip_on_incompatible_target in
6173         closure.
6174         (script_add_assertion, script_parse_option): Likewise.
6175         (script_start_sections, script_add_phdr): Likewise.
6176         (script_check_output_format): New function.
6177         * script.h (read_input_script): Update declaration.
6178         * script-c.h (script_check_output_format): Declare.
6179         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6180         (ignore_cmd): Remove OUTPUT_FORMAT.
6181         * fileread.cc (Input_file::Input_file): Add explicit this.
6182         (Input_file::will_search_for): New function.
6183         (Input_file::open): Add pindex parameter.  Change all callers.
6184         * fileread.h (class Input_file): Add input_file_argument method.
6185         Declare will_search_for.  Update declarations.
6186         * object.cc (make_elf_object): Add punconfigured parameter.
6187         Change all callers.
6188         * object.h (class Object): Make input_file public.  Add
6189         searched_for method.
6190         (make_elf_object): Update declaration.
6191         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6192         restart search.
6193         * dirsearch.h (class Dirsearch): Update declaration.
6194         * options.h (class General_options): Add --warn-search-mismatch.
6195         * parameters.cc (Parameters::is_compatible_target): New function.
6196         * parameters.h (class Parameters): Declare is_compatible_target.
6197         * workqueue.cc (Workqueue::add_blocker): New function.
6198         * workqueue.h (class Workqueue): Declare add_blocker.
6200         * fileread.cc (Input_file::open): Remove options parameter.
6201         Change all callers.
6202         (Input_file::open_binary): Likewise.
6203         * script.cc (read_input_script): Likewise.
6204         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6205         options parameter from constructor.  Change all callers.
6206         (class Read_script): Likewise.
6207         * fileread.h (class Input_file): Update declarations.
6208         * script.h (read_input_script): Update declaration.
6210 2009-03-10  Nick Clifton  <nickc@redhat.com>
6212         * po/es.po: New Spanish translation.
6214 2009-03-06  Cary Coutant  <ccoutant@google.com>
6216         * options.cc (parse_short_option): Keep dash_z from registering itself.
6218 2009-03-03  Ian Lance Taylor  <iant@google.com>
6220         PR 9918
6221         * target-reloc.h (relocate_section): Pass output_section to
6222         relocate.
6223         * i386.cc (Target_i386::should_apply_static_reloc): Add
6224         output_section parameter.  Change all callers.
6225         (Target_i386::Relocate::relocate): Add output_section parameter.
6226         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6227         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6228         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6229         * testsuite/two_file_shared.sh: New script.
6230         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6231         (check_DATA): Add two_file_shared.dbg.
6232         (two_file_shared.dbg): New target.
6233         * testsuite/Makefile.in: Rebuild.
6235 2009-03-01  Ian Lance Taylor  <iant@google.com>
6237         * configure.ac: Check for byteswap.h.
6238         * configure: Rebuild.
6239         * config.in: Rebuild.
6241 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6243         * layout.cc (Layout::find_or_add_kept_section): New function.
6244         (Layout::add_comdat): Removed.
6245         * layout.h (struct Kept_section): Move out of class Layout.
6246         Remove trailing underscores from field names.  Add group_sections
6247         field.  Rename group_ field to is_group.  Change all uses.
6248         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6249         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6250         comdat_groups_ field.
6251         (Sized_relobj::include_section_group): Use
6252         find_or_add_kept_section and Kept_section::group_sections.
6253         (Sized_relobj::include_linkonce_section): Likewise.
6254         * object.cc (class Sized_relobj): Don't define Comdat_group or
6255         Comdat_group_table.  Remove find_comdat_group and
6256         add_comdat_group.  Remove comdat_groups_ field.
6257         * plugin.cc (include_comdat_group): Use
6258         Layout::find_or_add_kept_section.
6260 2009-02-28  Ian Lance Taylor  <iant@google.com>
6262         * README: --gc-sections and map files are now supported.  Document
6263         some build requirements.
6265         PR 6992
6266         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6267         relocatable link set the value of the section symbol to zero.
6268         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6269         relocatable link don't include the section address in the local
6270         symbol value.
6272 2009-02-27  Ian Lance Taylor  <iant@google.com>
6274         PR 6811
6275         * options.h (class Search_directory): Add is_system_directory.
6276         (class General_options): Declare is_in_system_directory.
6277         * options.cc (get_relative_sysroot): Make static.
6278         (get_default_sysroot): Make static.
6279         (General_optoins::is_in_system_directory): New function.
6280         * fileread.cc (Input_file::is_in_system_directory): New function.
6281         * fileread.h (class Input_file): Declare is_in_system_directory.
6282         * object.h (class Object): Add is_in_system_directory.
6283         (class Input_objects): Remove system_library_directory_ field.
6284         * object.cc (Input_objects::add_object): Don't set
6285         system_library_directory_.
6286         (input_objects::found_in_system_library_directory): Remove.
6287         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6288         parameter.  Change all callers.
6289         (Symbol_table::sized_write_globals): Likewise.
6290         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6291         Call Object::is_in_system_directory.
6292         * symtab.h (class Symbol_table): Update declarations.
6294         PR 5990
6295         * descriptors.h (Open_descriptor): Add is_on_stack field.
6296         * descriptors.cc (Descriptors::open): If the descriptor is on the
6297         top of the stack, remove it.  Initialize is_on_stack field.
6298         (Descriptors::release): Only add pod to stack if it is not on the
6299         stack already.
6300         (Descriptors::close_some_descriptor): Clear stack_next and
6301         is_on_stack fields.
6303         PR 7091
6304         * output.cc (Output_section::find_starting_output_address): Rename
6305         from starting_output_address; add PADDR parameter; change return
6306         type.
6307         * output.h (class Output_section): Declare
6308         find_starting_output_address instead of starting_output_address.
6309         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6310         section symbol for which we can't find a merge section.
6312         PR 9836
6313         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6314         hidden or internal, force the symbol to be local.
6315         * resolve.cc (Symbol::override_visibility): Define.
6316         (Symbol::override_base): Use override_visibility.
6317         (Symbol_table::resolve): Likewise.
6318         (Symbol::override_base_with_special): Likewise.
6319         (Symbol_table::override_with_special): If the visibility is hidden
6320         or internal, force the symbol to be local.
6321         * symtab.h (class Symbol): Add set_visibility and
6322         override_visibility.
6323         * testsuite/ver_test_1.sh: New file.
6324         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6325         (check_DATA): Add ver_test_1.syms.
6326         (ver_test_1.syms): New target.
6327         * testsuite/Makefile.in: Rebuild.
6329 2009-02-25  Cary Coutant  <ccoutant@google.com>
6331         * layout.cc (Layout::choose_output_section): Don't rename sections
6332         when using a linker script that has a SECTIONS clause.
6333         * Makefile.in: Regenerate.
6335         * testsuite/Makefile.am (script_test_5.sh): New test case.
6336         * testsuite/Makefile.in: Regenerate.
6337         * testsuite/script_test_5.cc: New file.
6338         * testsuite/script_test_5.sh: New file.
6339         * testsuite/script_test_5.t: New file.
6341 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6343         * archive.cc (Archive::include_member): Update calls to add_symbols.
6344         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6345         the Layout argument.
6346         * dynobj.h (do_add_symbols): Add the Layout argument.
6347         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6348         Layout argument.
6349         * object.h (Object::add_symbols): Add the Layout argument.
6350         (Object::do_add_symbols): Add the Layout argument.
6351         (Sized_relobj::do_add_symbols): Add the Layout argument.
6352         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6353         Unify the two versions.
6354         (Add_plugin_symbols): Remove.
6355         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6356         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6357         (Add_plugin_symbols): Remove.
6358         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6359         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6360         (Add_symbols::run): Make it work with Pulginobj.
6362 2009-02-06  Ian Lance Taylor  <iant@google.com>
6364         * object.cc (Sized_relobj::do_layout): Make info message start
6365         with lower case letter.
6367 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6369         * binary.cc: Fix file comment.
6371         * options.h (enum Incremental_disposition): Define.
6372         (class General_options): Add new options: --incremental,
6373         --incremental_changed, --incremental_unchanged,
6374         --incremental_unknown.  Add incremental_disposition_ and
6375         implicit_incremental_ fields.
6376         (General_options::incremental_disposition): New function.
6377         (class Position_dependent_options): Add incremental_disposition
6378         option.
6379         (Position_dependent_options::copy_from_options): Set incremental
6380         dispositions.
6381         * options.cc (General_options::parse_incremental_changed): New
6382         function.
6383         (General_options::parse_incremental_unchanged): New function.
6384         (General_options::parse_incremental_unknown): New function.
6385         (General_options::General_options): Initialize new fields
6386         incremental_disposition_ and implicit_incremental_.
6387         (General_options::finalize): Check for uasge of --incremental-*
6388         without --incremental.
6390 2009-02-06  Chris Demetriou  <cgd@google.com>
6392         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6393         pointer and to report location as the file name associated with
6394         the symbol.
6395         (gold_undefined_symbol_at_location): New function to replace the
6396         old gold_undefined_symbol functionality.
6397         * target-reloc.h (relocate_section): Update to use
6398         gold_undefined_symbol_at_location.
6399         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6400         Call gold_undefined_symbol function rather than gold_error.
6401         * errors.h (Errors::undefined_symbol): Take location as a
6402         string, rather than calculating it from a relocation.
6403         * errors.cc (Errors::fatal): Print "fatal error:" before the
6404         formatted message.
6405         (Errors::error, Errors::error_at_location): Print "error: "
6406         before the formatted message.
6407         (Errors::undefined_symbol): Take location as a string, rather
6408         than calculating it from a relocation.
6409         (gold_undefined_symbol_at_location): New function akin to
6410         old gold_undefined_symbol, calculates location from relocation.
6411         (gold_undefined_symbol): Change to take only a Symbol pointer
6412         and to report location as the file name associated with the symbol.
6413         * testsuite/debug_msg.sh: Update for changed error messages.
6414         * testsuite/undef_symbol.sh: Likewise.
6416 2009-02-04  Duncan Sands  <baldrick@free.fr>
6418         PR 9812
6419         * reduced_debug_output.h
6420         (Output_reduced_debug_abbrev_section::failed): Use format for
6421         gold_warning.
6422         (Output_reduced_debug_info_section::faild): Likewise.
6424 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6426         * script.cc (Lazy_demangler): New class.
6427         (Version_script_info::get_symbol_version_helper): Demangle a
6428         symbol only once.
6430 2009-01-29  Cary Coutant  <ccoutant@google.com>
6432         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6433         to __tls_get_addr.
6434         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6436 2009-01-28  Ian Lance Taylor  <iant@google.com>
6438         * version.cc (version_string): Bump to 1.9.
6440         * gold.h: Include <cstring> and <stdint.h>.
6441         * version.cc: Include <cstdio>.
6442         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6443         warning.
6444         * reduced_debug_output.cc (insert_into_vector): Rename from
6445         Insert_into_vector; change all callers.  Use Swap_unaligned to
6446         avoid aliasing issue; remove union since it is unnecessary.
6448 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6450         * Makefile.am (CCFILES): Add gc.cc.
6451         (HFILES): Add gc.h.
6452         * Makefile.in: Regenerate.
6453         * gold.cc (Gc_runner): New class.
6454         (queue_initial_tasks): Call garbage collection related tasks
6455         when corresponding options are invoked.
6456         (queue_middle_gc_tasks): New function.
6457         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6458         processed early before laying out sections during garbage collection.
6459         * gold.h (queue_middle_gc_tasks): New function.
6460         (is_prefix_of): Move from "layout.cc".
6461         * i386.cc (Target_i386::gc_process_relocs): New function.
6462         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6463         * main.cc (main): Create object of class "Garbage_collection".
6464         * object.cc (Relobj::copy_symbols_data): New function.
6465         (Relobj::is_section_name_included): New function.
6466         (Sized_relobj::do_layout): Allow this function to be called twice
6467         during garbage collection and defer layout of section during the
6468         first call.
6469         * object.h (Relobj::get_symbols_data): New function.
6470         (Relobj::is_section_name_included): New function.
6471         (Relobj::copy_symbols_data): New function.
6472         (Relobj::set_symbols_data): New function.
6473         (Relobj::get_relocs_data): New function.
6474         (Relobj::set_relocs_data): New function.
6475         (Relobj::is_output_section_offset_invalid): New pure virtual function.
6476         (Relobj::gc_process_relocs): New function.
6477         (Relobj::do_gc_process_relocs): New pure virtual function.
6478         (Relobj::sd_): New data member.
6479         (Sized_relobj::is_output_section_offset_invalid): New function.
6480         (Sized_relobj::do_gc_process_relocs): New function.
6481         * options.h (General_options::gc_sections): Modify to not be a no-op.
6482         (General_options::print_gc_sections): New option.
6483         * plugin.cc (Plugin_finish::run): Remove function call to
6484         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
6485         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6486         * reloc.cc (Read_relocs::run): Add task to process relocs and
6487         determine unreferenced sections when doing garbage collection.
6488         (Gc_process_relocs): New class.
6489         (Sized_relobj::do_gc_process_relocs): New function.
6490         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6491         sections that are garbage collected.
6492         * reloc.h (Gc_process_relocs): New class.
6493         * sparc.cc (Target_sparc::gc_process_relocs): New function.
6494         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6495         symbols whose corresponding sections are garbage collected.
6496         (Symbol_table::Symbol_table): Add new parameter for the garbage
6497         collection object.
6498         (Symbol_table::gc_mark_undef_symbols): New function.
6499         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6500         (Symbol_table::gc_mark_dyn_syms): New function.
6501         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6502         as garbage.
6503         (Symbol_table::add_from_object): Likewise.
6504         (Symbol_table::add_from_relobj): When building shared objects, do not
6505         treat externally visible symbols as garbage.
6506         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6507         table information for static and relocatable links.
6508         * symtab.h (Symbol_table::set_gc): New function.
6509         (Symbol_table::gc): New function.
6510         (Symbol_table::gc_mark_undef_symbols): New function.
6511         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6512         (Symbol_table::gc_mark_dyn_syms): New function.
6513         (Symbol_table::gc_): New data member.
6514         * target.h (Sized_target::gc_process_relocs): New pure virtual
6515         function.
6516         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6517         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6519 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
6521         * options.h (General_options::gc_sections): Define as a no-op for now.
6522         (General_options::no_keep_memory): Ditto.
6523         (General_options::Bshareable): Define.
6524         * options.cc (General_options::finalize): Honor -Bshareable.
6526 2009-01-20  Andreas Schwab  <schwab@suse.de>
6528         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6529         read the value in the contents, since we don't use it.  Use the
6530         template endianness when writing.
6531         (Relocate::relocate): Use it for R_PPC_REL16_HA.
6533 2009-01-19  Andreas Schwab  <schwab@suse.de>
6535         * configure.tgt (powerpc64-*): Fix targ_obj.
6537 2009-01-15  Ian Lance Taylor  <iant@google.com>
6539         * object.cc (Sized_relobj::write_local_symbols): Don't write out
6540         local symbols when stripping all symbols.
6542 2009-01-14  Cary Coutant  <ccoutant@google.com>
6544         * output.cc (Output_reloc): Add explicit instantiations.
6546 2009-01-14  Cary Coutant  <ccoutant@google.com>
6548         * archive.cc (Archive::get_elf_object_for_member): Remove call
6549         to File_read::claim_for_plugin.
6550         * descriptors.cc (Descriptors::open): Remove reference to
6551         is_claimed.
6552         (Descriptors::claim_for_plugin): Remove.
6553         * descriptors.h (Descriptors::claim_for_plugin): Remove.
6554         (Descriptors::is_claimed): Remove.
6555         (claim_descriptor_for_plugin): Remove.
6556         * fileread.cc (File_read::claim_for_plugin): Remove.
6557         * fileread.h (File_read::claim_for_plugin): Remove.
6558         (File_read::descriptor): Reopen descriptor if necessary.
6559         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
6560         (Plugin_manager::all_symbols_read): Add task parameter. Change
6561         all callers.
6562         (Plugin_manager::get_input_file): New function.
6563         (Plugin_manager::release_input_file): New function.
6564         (Pluginobj::Pluginobj): Add filesize parameter and initialize
6565         corresponding data member.
6566         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6567         and pass to base constructor. Change all callers.
6568         (get_input_file, release_input_file): New functions.
6569         (make_sized_plugin_object): Add filesize parameter. Change all callers.
6570         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6571         (Plugin_manager::all_symbols_read): Add task parameter.
6572         (Plugin_manager::get_input_file): New function.
6573         (Plugin_manager::release_input_file): New function.
6574         (Plugin_manager::task_): New data member.
6575         (Pluginobj::Pluginobj): Add filesize parameter.
6576         (Pluginobj::filename): New function.
6577         (Pluginobj::descriptor): New function.
6578         (Pluginobj::filesize): New function.
6579         (Pluginobj::filesize_): New data member.
6580         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6581         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6582         File_read::claim_for_plugin; use Object::unlock to unlock the file.
6584         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6585         with archive libraries.
6586         * testsuite/Makefile.in: Regenerate.
6587         * testsuite/plugin_test.c (struct sym_info): New type.
6588         (get_input_file, release_input_file): New static variables.
6589         (onload): Capture new transfer vector entries.
6590         (claim_file_hook): Stop reading at end of file according to filesize.
6591         Factor out parsing of readelf output into separate function.
6592         (all_symbols_read_hook): Exercise get_input_file and release_input_file
6593         APIs and get the source file name from the symbol table.  Convert
6594         source file name to corresponding object file name.  Print info
6595         message when adding new input files.
6596         (parse_readelf_line): New function.
6597         * testsuite/plugin_test_1.sh: Add checks for new info messages.
6598         * testsuite/plugin_test_2.sh: Likewise.
6599         * testsuite/plugin_test_3.sh: Likewise.
6600         * testsuite/plugin_test_4.sh: New test case.
6602 2009-01-07  Ian Lance Taylor  <iant@google.com>
6604         * version.cc (version_string): Bump to 1.8.
6606 2008-12-23  Cary Coutant  <ccoutant@google.com>
6608         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6609         * plugin.cc (Plugin_manager::finish): Rename as
6610         layout_deferred_objects.  Move cleanup to separate function.
6611         (Plugin_manager::cleanup): New function.
6612         (Plugin_finish::run): Call layout_deferred_objects and cleanup
6613         separately.
6614         * plugin.h (Plugin_manager::finish): Rename as
6615         layout_deferred_objects.
6616         (Plugin_manager::cleanup): New function.
6617         (Plugin_manager::cleanup_done): New field.
6619 2008-12-23  Cary Coutant  <ccoutant@google.com>
6621         * plugin.cc (is_visible_from_outside): New function.
6622         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6623         so we don't return "IR only" status for exported symbols or -r links.
6625         * testsuite/Makefile.am (plugin_test_3): New test case.
6626         * testsuite/Makefile.in: Regenerate.
6627         * testsuite/plugin_test_3.sh: New file.
6629 2008-12-22  Cary Coutant  <ccoutant@google.com>
6631         * object.cc (Sized_relobj::layout_section): New function.
6632         (Sized_relobj::do_layout): Defer layout of input sections until after
6633         plugin has provided replacement files.
6634         (Sized_relobj::do_layout_deferred_sections): New function.
6635         * object.h (Relobj::set_section_offset): Remove virtual keyword.
6636         (Relobj::layout_deferred_sections): New function.
6637         (Relobj::do_layout_deferred_sections): New function.
6638         (Sized_relobj::do_layout_deferred_sections): New function.
6639         (Sized_relobj::layout_section): New function.
6640         (Sized_relobj::Deferred_layout): New structure.
6641         (Sized_relobj::deferred_layout_): New field.
6642         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6643         Change all callers.  Layout deferred sections.
6644         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
6645         references.
6646         (Plugin_hook::run): Move code from do_plugin_hook inline.
6647         (Plugin_hook::do_plugin_hook): Remove.
6648         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6649         (Plugin_manager::finish): Renamed, was cleanup.
6650         (Plugin_manager::should_defer_layout): New function.
6651         (Plugin_manager::add_deferred_layout_object): New function.
6652         (Plugin_manager::Deferred_layout_list): New type.
6653         (Plugin_manager::deferred_layout_objects_): New field.
6654         (Plugin_hook::do_plugin_hook): Remove.
6656 2008-12-17  Ian Lance Taylor  <iant@google.com>
6658         * options.h (class General_options): Add --no case for
6659         --export-dynamic.
6661 2008-12-16  Cary Coutant  <ccoutant@google.com>
6663         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6664         vector.
6665         (Plugin_manager::claim_file): Create plugin object even if
6666         plugin did not call the add_symbols callback.
6667         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6668         asking for more symbols than were added.
6669         * testsuite/Makefile.am (plugin_test_1): Add test case with
6670         no global symbols.
6671         (empty.syms): New target.
6672         * testsuite/Makefile.in: Regenerate.
6673         * testsuite/plugin_test.c (claim_file_hook): Add new debug
6674         message. Don't call add_symbols if no globals.
6675         (all_symbols_read_hook): Don't provide replacement for empty
6676         claimed file.
6678 2008-12-12  Ian Lance Taylor  <iant@google.com>
6680         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6681         r_type == 0 for a local symbol with r_sym == 0.
6682         (scan_relocatable_relocs): Pass r_sym to
6683         local_non_section_strategy.
6684         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6685         r_sym parameter.
6687         * configure.ac: Update test for TLS descriptors: they are
6688         supported as of glibc 2.9.
6689         * configure: Rebuild.
6691 2008-12-11  Ian Lance Taylor  <iant@google.com>
6693         PR 7091
6694         * target-reloc.h (Default_scan_relocatable_relocs): For each
6695         function, map r_type == 0 to RELOC_DISCARD.
6697 2008-12-10  Cary Coutant  <ccoutant@google.com>
6699         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6700         object to override a kept COMDAT group from a plugin object.
6702 2008-12-09  Ian Lance Taylor  <iant@google.com>
6704         PR 7088
6705         * yyscript.y (file_cmd): Handle INPUT.
6707         * testsuite/initpri1.c: Change all declarations to be full
6708         prototypes by adding void, to avoid compiler warnings.
6710 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
6712         * options.cc (General_options::parse_plugin_opt): New.
6713         (General_options::add_plugin): The argument now is just the filename.
6714         (General_options::add_plugin_option): New.
6715         * options.h (plugin_opt): New.
6716         (add_plugin): Change argument name.
6717         (add_plugin_option): New.
6718         * plugin.cc (Plugin::load): Don't parse the plugin option.
6719         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
6720         (Plugin::add_option): New.
6721         (Plugin::args_): Change type.
6722         (Plugin::filename_): New.
6723         (Plugin_manager::add_plugin_option): New.
6724         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
6725         * testsuite/Makefile.in: Regenerate.
6727 2008-12-05  Cary Coutant  <ccoutant@google.com>
6729         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6730         Handle --strip-lto-sections option.
6731         * options.h (strip_lto_sections): New option.
6733 2008-12-01  Cary Coutant  <ccoutant@google.com>
6735         * plugin.cc (ld_plugin_message): Change format parameter to const.
6736         Fix mismatch between new[] and delete.
6738 2008-11-14  Cary Coutant  <ccoutant@google.com>
6740         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6741         instead of -1U.
6743 2008-11-05  Craig Silverstein  <csilvers@google.com>
6745         * options.cc (General_options::parse_dynamic_list): New function.
6746         * options.h (General_options): New flags dynamic_list,
6747         dynamic_list_data, dynamic_list_cpp_new, and
6748         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
6749         (General_options::in_dynamic_list): New function.
6750         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6751         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6752         (Lex::can_continue_name): Likewise.
6753         (yylex): Likewise.
6754         (read_script_file): New parameter script_options.
6755         (read_dynamic_list): New function.
6756         (Script_options::define_dynamic_list): New function.
6757         (dynamic_list_keyword_parsecodes): New variable.
6758         (dynamic_list_keywords): New variable.
6759         * script.h (Script_options::define_dynamic_list): New function
6760         prototype.
6761         (read_dynamic_list): New function prototype.
6762         * symtab.cc (strprefix): New macro.
6763         (Symbol::should_add_dynsym_entry): Support dynamic_list,
6764         dynamic_list_data, dynamic_list_cpp_new, and
6765         dynamic_list_cpp_typeinfo.
6766         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
6767         (dynamic_list_expr): New rule.
6768         (dynamic_list_nodes): Likewise.
6769         (dynamic_list_node): Likewise.
6770         * testsuite/Makefile.am (dynamic_list): New test.
6771         * testsuite/Makefile.in: Regenerated.
6772         * testsuite/dynamic_list.t: New file.
6773         * testsuite/dynamic_list.sh: New file.
6775 2008-11-05  Craig Silverstein  <csilvers@google.com>
6777         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
6778         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
6779         (t11_last): Likewise.
6780         * testsuite/ver_test_6.c (main): Likewise.
6782 2008-10-07  Cary Coutant  <ccoutant@google.com>
6784         * options.c (General_options::finalize): Add check for -static and
6785         -shared.
6786         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
6787         is not empty.
6789 2008-10-02  Cary Coutant  <ccoutant@google.com>
6791         * plugin.cc (make_sized_plugin_object): Fix conditional
6792         compilation to work when not all targets are enabled.
6794 2008-09-29  Cary Coutant  <ccoutant@google.com>
6796         * archive.cc (Archive::get_file_and_offset): Use filename instead
6797         of name to get library path.
6798         (Archive::include_member): Unlock external member of a thin archive.
6800         * testsuite/Makefile.am (TEST_AR): New variable.
6801         (thin_archive_test_1): New test.
6802         (thin_archive_test_2): New test.
6803         * testsuite/Makefile.in: Regenerate.
6804         * testsuite/thin_archive_main.cc: New file.
6805         * testsuite/thin_archive_test_1.cc: New file.
6806         * testsuite/thin_archive_test_2.cc: New file.
6807         * testsuite/thin_archive_test_3.cc: New file.
6808         * testsuite/thin_archive_test_4.cc: New file.
6810 2008-09-29  Cary Coutant  <ccoutant@google.com>
6812         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
6813         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
6814         instead of -1U.
6815         (Sized_relobj::do_finalize_local_symbols): Likewise.
6816         (Sized_relobj::map_to_kept_section): Likewise.
6817         * object.h (Sized_relobj::invalid_address): New constant.
6818         (Sized_relobj::do_output_section_offset): Check for invalid_address
6819         and return -1ULL.
6820         * output.cc (Output_reloc::local_section_offset): Use constant
6821         invalid_address instead of -1U.
6822         (Output_reloc::get_address): Likewise.
6823         (Output_section::output_address): Change -1U to -1ULL.
6824         * output.h (Output_reloc::invalid_address): New constant.
6825         * reloc.cc (Sized_relobj::write_sections): Use constant
6826         invalid_address instead of -1U.
6827         (Sized_relobj::relocate_sections): Likewise.
6828         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
6829         values for merge sections.
6830         * target-reloc.h (relocate_for_relocatable): Use constant
6831         invalid_address instead of -1U.
6833 2008-09-19  Cary Coutant  <ccoutant@google.com>
6835         Add plugin functionality for link-time optimization (LTO).
6836         * configure.ac (plugins): Add --enable-plugins option.
6837         * configure: Regenerate.
6838         * config.in: Regenerate.
6839         * Makefile.am (LIBDL): New variable.
6840         (CCFILES): Add plugin.cc.
6841         (HFILES): Add plugin.h.
6842         (ldadd_var): Add LIBDL.
6843         * Makefile.in: Regenerate.
6845         * archive.cc: Include "plugin.h".
6846         (Archive::setup): Don't preread archive symbols when using a plugin.
6847         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
6848         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
6849         files.
6850         (Archive::include_member): Add symbols from plugin objects.
6851         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
6852         * descriptors.cc (Descriptors::open): Check for file descriptors
6853         abandoned by plugins.
6854         (Descriptors::claim_for_plugin): New function.
6855         * descriptors.h (Descriptors::claim_for_plugin): New function.
6856         (Open_descriptor::is_claimed): New field.
6857         (claim_descriptor_for_plugin): New function.
6858         * fileread.cc (File_read::claim_for_plugin): New function.
6859         * fileread.h (File_read::claim_for_plugin): New function.
6860         (File_read::descriptor): New function.
6861         * gold.cc: Include "plugin.h".
6862         (queue_initial_tasks): Add task to call plugin hooks for generating
6863         new object files.
6864         * main.cc: Include "plugin.h".
6865         (main): Load plugin libraries.
6866         * object.h (Pluginobj): Declare.
6867         (Object::pluginobj): New function.
6868         (Object::do_pluginobj): New function.
6869         (Object::set_target): New function.
6870         * options.cc: Include "plugin.h".
6871         (General_options::parse_plugin): New function.
6872         (General_options::General_options): Initialize plugins_ field.
6873         (General_options::add_plugin): New function.
6874         * options.h (Plugin_manager): Declare.
6875         (General_options): Add --plugin option.
6876         (General_options::has_plugins): New function.
6877         (General_options::plugins): New function.
6878         (General_options::add_plugin): New function.
6879         (General_options::plugins_): New field.
6880         * plugin.cc: New file.
6881         * plugin.h: New file.
6882         * readsyms.cc: Include "plugin.h".
6883         (Read_symbols::do_read_symbols): Check for archive before checking
6884         for ELF file.  Call plugin hooks to claim files.
6885         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6886         from a real object file; force override when processing replacement
6887         files.
6888         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6889         (Symbol::init_base_object): Likewise.
6890         (Symbol::init_base_output_data): Likewise.
6891         (Symbol::init_base_output_segment): Likewise.
6892         (Symbol::init_base_constant): Likewise.
6893         (Symbol::init_base_undefined): Likewise.
6894         (Symbol::output_section): Assert that object is not a plugin.
6895         (Symbol_table::add_from_pluginobj): New function.
6896         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6897         undefined.
6898         (Symbol_table::sized_write_globals): Likewise.
6899         (Symbol_table::add_from_pluginobj): Instantiate template.
6900         * symtab.h (Sized_pluginobj): Declare.
6901         (Symbol::in_real_elf): New function.
6902         (Symbol::set_in_real_elf): New function.
6903         (Symbol::in_real_elf_): New field.
6904         (Symbol_table::add_from_pluginobj): New function.
6906         * testsuite/Makefile.am (AM_CFLAGS): New variable.
6907         (LIBDL): New variable.
6908         (LDADD): Add LIBDL.
6909         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6910         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6911         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6912         (MOSTLYCLEANFILES): Likewise.
6913         * testsuite/Makefile.in: Regenerate.
6914         * testsuite/plugin_test.c: New file.
6915         * testsuite/plugin_test_1.sh: New file.
6916         * testsuite/plugin_test_2.sh: New file.
6918 2008-09-16  Ian Lance Taylor  <iant@google.com>
6920         * target-reloc.h (relocate_section): Check whether a symbol is
6921         defined by the ABI before reporting an undefined symbol error.
6922         * target.h (Target::is_defined_by_abi): Make parameter const.
6923         (Target::do_is_defined_by_abi): Likewise.
6924         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6925         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6926         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6927         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6928         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6929         * testsuite/Makefile.in: Rebuild.
6931         * fileread.cc (make_view): Add casts to avoid warning.
6933 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6935         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6936         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6938 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6940         * options.h (General_options::output_is_executable): New.
6941         (General_options::output_is_pie): New.
6942         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6943         for shared libraries.
6944         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6946 2008-09-11  Chris Demetriou  <cgd@google.com>
6948         * options.h (origin): New -z option.
6949         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6950         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6951         in DT_FLAGS_1.
6953 2008-09-05  Cary Coutant  <ccoutant@google.com>
6955         * fileread.cc (File_read::make_view): Add check for attempt to map
6956         beyond end of file.
6958 2008-09-05  Cary Coutant  <ccoutant@google.com>
6960         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6961         explicit instantiations.
6963 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6965         PR gold/6858
6966         * options.cc (General_options::finalize): Allow undefined symbols
6967         in shlibs if linking -shared.
6969         PR gold/6859
6970         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6971         symbols as not needing a dynsym entry.
6973 2008-08-20  Craig Silverstein  <csilvers@google.com>
6975         * fileread.cc (File_read::open): Do not lock the file unless it
6976         was successfully opened.
6978 2008-08-14  Cary Coutant  <ccoutant@google.com>
6980         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6981         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6982         * testsuite/tls_test.cc (struct int128): 128-bit struct
6983         for testing TLS relocs with non-zero addend.
6984         (v12): New TLS variable.
6985         (t12): New test.
6986         (t_last): Add check for v12.
6987         * testsuite/tls_test.h (t12): New function.
6988         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6990 2008-08-13  Ian Lance Taylor  <iant@google.com>
6992         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6993         set tls_segment_ or relro_segment_.
6994         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6995         when appropriate.
6996         * output.h (Output_section::clear_is_relro): New function.
6997         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6998         sections specially even when output_data_ is empty.
6999         (Output_segment::maximum_alignment): When first section is relro,
7000         only force alignment for PT_LOAD segments.
7001         * script.cc (script_data_segment_align): New function.
7002         (script_data_segment_relro_end): New function.
7003         * script-c.h (script_data_segment_align): Declare.
7004         (script_data_segment_relro_end): Declare.
7005         * script-sections.h (class Script_sections): Declare
7006         data_segment_align and data_segment_relro_end.  Add fields
7007         segment_align_index_ and saw_relro_end_.
7008         * script-sections.cc (class Sections_element): Add set_is_relro
7009         virtual function.  Add new bool* parameter to place_orphan_here.
7010         Add get_output_section virtual function.
7011         (class Output_section_definition): Add set_is_relro.  Add new
7012         bool* parameter to place_orphan_here.  Add get_output_section.
7013         Add is_relro_ field.
7014         (Output_section_definition::Output_section_definition): Initialize
7015         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7016         and is_relro_ fields.
7017         (Output_section_definition::place_orphan_here): Add is_relro
7018         parameter.
7019         (Output_section_definition::set_section_addresses): Set relro for
7020         output section.
7021         (Output_section_definition::alternate_constraint): Likewise.
7022         (class Orphan_output_section): Add new bool* parameter to
7023         place_orphan_here.  Add get_output_section.
7024         (Orphan_output_section::place_orphan_here): Add is_relro
7025         parameter.
7026         (Script_sections::Script_sections): Initialize
7027         data_segment_align_index_ and saw_relro_end_.
7028         (Script_sections::data_segment_align): New function.
7029         (Script_sections::data_segment_relro_end): New function.
7030         (Script_sections::place_orphan): Set or clear is_relro.
7031         (Script_sections::set_section_addresses): Force alignment of first
7032         TLS section.
7033         * yyscript.y (exp): Call script_data_segment_align and
7034         script_data_segment_relro_end.
7035         * testsuite/relro_script_test.t: New file.
7036         * testsuite/relro_test.cc (using_script): Declare.
7037         (t1, t2): Test using_script.
7038         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7039         (relro_script_test_SOURCES): Define.
7040         (relro_script_test_DEPENDENCIES): Define.
7041         (relro_script_test_LDFLAGS): Define.
7042         (relro_script_test_LDADD): Define.
7043         (relro_script_test.so): New target.
7044         * testsuite/Makefile.in: Rebuild.
7046 2008-08-06  Cary Coutant <ccoutant@google.com>
7048         * archive.cc (Archive::total_archives, Archive::total_members)
7049         (Archive::total_members_loaded): New variables.
7050         (Archive::setup): Add parameter.  Add option to preread
7051         archive symbols.
7052         (Archive::read_armap): Add counter.
7053         (Archive::get_file_and_offset): New function.
7054         (Archive::get_elf_object_for_member): New function.
7055         (Archive::read_all_symbols): New function.
7056         (Archive::read_symbols): New function.
7057         (Archive::add_symbols): Add counters.
7058         (Archive::include_all_members): Use armap to find members if it's
7059         already built.
7060         (Archive::include_member): Skip reading symbols if already read.
7061         Factored code into Archive::get_file_and_offset and
7062         Archive::get_elf_object_for_member.  Changed call to
7063         Mapfile::report_include_archive_member.
7064         (Archive::print_stats): New function.
7065         * archive.h: Declare Object and Read_symbols_data classes.
7066         (Archive::Archive): Add initializers for new members.
7067         (Archive::setup): Add parameter.
7068         (Archive::print_stats): New function.
7069         (Archive::total_archives, Archive::total_members)
7070         (Archive::total_members_loaded): New variables.
7071         (Archive::get_file_and_offset): New function.
7072         (Archive::get_elf_object_for_member): New function.
7073         (Archive::read_all_symbols): New function.
7074         (Archive::read_symbols): New function.
7075         (Archive::Archive_member): New class.
7076         (Archive::members_): New member.
7077         (Archive::num_members_): New member.
7078         * main.cc: Include archive.h.
7079         (main): Call Archive::print_stats.
7080         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7081         archive parameter; member_name is now the fully-decorated name.
7082         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7083         * options.h: (General_options): Add --preread-archive-symbols option.
7084         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7085         Archive::setup.
7087 2008-08-04  Ian Lance Taylor  <iant@google.com>
7089         * symtab.h (Symbol::use_plt_offset): New function.
7090         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7091         * powerpc.cc (Relocate::relocate): Likewise.
7092         * sparc.cc (Relocate::relocate): Likewise.
7093         * x86_64.cc (Relocate::relocate): Likewise.
7094         * testsuite/weak_plt.sh: New test.
7095         * testsuite/weak_plt_main.cc: New test.
7096         * testsuite/weak_plt_shared.cc: New test.
7097         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7098         (check_PROGRAMS): Add weak_plt.
7099         (check_DATA): Add weak_plt_shared.so.
7100         (weak_plt_main_pic.o, weak_plt): New targets.
7101         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7102         * testsuite/Makefile.in: Rebuild.
7104         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7105         gcctestdir/ld.
7106         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7107         * testsuite/Makefile.in: Rebuild.
7109 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7111         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7112         * Makefile.in: Regenerate.
7113         * po/POTFILES.in: Regenerate.
7115 2008-07-29  Ian Lance Taylor  <iant@google.com>
7117         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7118         symbols before other symbols.
7119         * testsuite/script_test_2.cc (test_addr): Declare.
7120         (test_addr_alias): Declare.
7121         (main): Check that test_addr and test_addr_alias have the right
7122         values.
7123         * testsuite/script_test_2.t: Define test_addr_alias and
7124         test_addr.
7126 2008-07-24  Ian Lance Taylor  <iant@google.com>
7128         PR 5990
7129         * descriptors.cc: New file.
7130         * descriptors.h: New file.
7131         * gold-threads.h (class Hold_optional_lock): New class.
7132         * fileread.cc: Include "descriptors.h".
7133         (File_read::~File_read): Release descriptor rather than closing
7134         it.
7135         (File_read::open) [file]: Call open_descriptor rather than open.
7136         Set is_descriptor_opened_.
7137         (File_read::open) [memory]: Assert that descriptor is not open.
7138         (File_read::reopen_descriptor): New function.
7139         (File_read::release): Release descriptor.
7140         (File_read::do_read): Make non-const.  Reopen descriptor.
7141         (File_read::read): Make non-const.
7142         (File_read::make_view): Reopen descriptor.
7143         (File_read::do_readv): Likewise.
7144         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7145         Update declarations.
7146         * layout.cc: Include "descriptors.h".
7147         (Layout::create_build_id): Use open_descriptor rather than open.
7148         * output.cc: Include "descriptors.h".
7149         (Output_file::open): Use open_descriptor rather than open.
7150         * archive.cc (Archive::const_iterator): Change Archive to be
7151         non-const.
7152         (Archive::begin, Archive::end): Make non-const.
7153         (Archive::count_members): Likewise.
7154         * archive.h (class Archive): Update declarations.
7155         * object.h (Object::read): Make non-const.
7156         * Makefile.am (CCFILES): Add descriptors.cc.
7157         (HFILES): Add descriptors.h.
7158         * Makefile.in: Rebuild.
7160         PR 6716
7161         * gold.h: Always include <clocale>.  Add Solaris workarounds
7162         following code in binutils/sysdep.h.
7164         PR 6048
7165         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7166         this->eh_frame_hdr_ is NULL before using it.
7168         * dynobj.cc (Versions::Versions): Update comment.
7170         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7171         the base version name.
7173         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7174         array size plus one.
7175         (Stringpool_template::set_string_offsets): Subtract one from key
7176         before using it as an array index.
7177         (Stringpool_template::get_offset_with_length): Likewise.
7178         (Stringpool_template::write_to_buffer): Likewise.
7179         * stringpool.h (Stringpool_template::get_offset_from_key):
7180         Likewise.
7182 2008-07-23  Ian Lance Taylor  <iant@google.com>
7184         PR 6658
7185         * object.h (Merged_symbol_value::value): Do our best to handle a
7186         negative addend.
7188         PR 6647
7189         * script.cc (Version_script_info::get_versions): Don't add empty
7190         version tag to return value.
7191         (Version_script_info::get_symbol_version_helper): Change return
7192         type to bool.  Add pversion parameter.  Change all callers.
7193         (script_register_vers_node): Don't require a non-NULL tag.
7194         * script.h (class Version_script_info): Update declarations.
7195         (Version_script_info::get_symbol_version): Change return type to
7196         bool.  Add version parameter.  Change all callers.
7197         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7198         handling.  Handle an empty version from a version script.
7199         (Symbol_table::define_special_symbol): Likewise.
7200         * testsuite/ver_test_10.script: New file.
7201         * testsuite/ver_test_10.sh: New file.
7202         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7203         (check_DATA): Add ver_test_10.syms.
7204         (ver_test_10.syms, ver_test_10.so): New target.
7205         * testsuite/Makefile.in: Rebuild.
7207 2008-07-23  Simon Baldwin  <simonb@google.com>
7209         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7210         to zero for undefined symbols from dynamic libraries.
7212 2008-07-23  Ian Lance Taylor  <iant@google.com>
7214         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7215         Change all callers.
7216         * symtab.h (class Symbol_table): Update declaration.
7217         * testsuite/ver_test_9.cc: New file.
7218         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7219         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7220         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7221         (ver_test_9.so, ver_test_9.o): New targets.
7222         * testsuite/Makefile.in: Rebuild.
7224 2008-07-22  Ian Lance Taylor  <iant@google.com>
7226         * options.h (class General_options): Define --check-sections.
7227         * layout.cc (Layout::set_segment_offsets): Handle
7228         --check-sections.
7230         * options.h (class General_options): Define -n/--nmagic and
7231         -N/--omagic.
7232         * options.cc (General_options::finalize): For -n/--nmagic or
7233         -N/--omagic, set -static.
7234         * layout.cc (Layout::attach_allocated_section_to_segment): If
7235         -N/--omagic, don't put read-only and read-write sections in
7236         different segments.
7237         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7238         finding a read-only segment.
7239         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7240         don't set the minimum segment alignment to the common page size,
7241         and don't set the file offset to the address modulo the page size.
7242         * script-sections.cc (Script_sections::create_segments): If
7243         -n/--omagic, don't put read-only and read-write sections in
7244         different segments.
7246         * cref.cc: New file.
7247         * cref.h: New file.
7248         * options.h (class General_options): Add --print-symbol-counts.
7249         * main.cc (main): Issue defined symbol report if requested.
7250         * archive.cc (Archive::interpret_header): Make into a const member
7251         function.
7252         (Archive::add_symbols): Call Input_objects::archive_start and
7253         archive_stop.
7254         (Archive::const_iterator): Define new class.
7255         (Archive::begin, Archive::end): New functions.
7256         (Archive::include_all_members): Rewrite to use iterator.
7257         (Archive::count_members): New function.
7258         * archive.h (class Archive): Update declarations.
7259         (Archive::filename): New function.
7260         * object.cc: Include "cref.h".
7261         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7262         (Sized_relobj::do_get_global_symbol_counts): New function.
7263         (Input_objects::add_object): Add object to cross-referencer.
7264         (Input_objects::archive_start): New function.
7265         (Input_objects::archive_stop): New function.
7266         (Input_objects::print_symbol_counts): New function.
7267         * object.h: Declare Cref and Archive.
7268         (Object::get_global_symbol_counts): New function.
7269         (Object::do_get_global_symbol_counts): New pure virtual function.
7270         (class Sized_relobj): Add defined_count_ field.  Update
7271         declarations.
7272         (class Input_objects): Add cref_ field.  Update constructor.
7273         Update declarations.
7274         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7275         defined_count_.
7276         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7277         symbol counts.
7278         (Sized_dynobj::do_get_global_symbol_counts): New function.
7279         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7280         defined_count_.  Update declarations.  Define Symbols typedef.
7281         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7282         parameter.  Change all callers.
7283         (Symbol_table::add_from_dynobj): Add sympointers and defined
7284         parameters.  Change all callers.
7285         * symtab.h (class Symbol_table): Update declarations.
7286         * Makefile.am (CCFILES): Add cref.cc.
7287         (HFILES): Add cref.h.
7288         * Makefile.in: Rebuild.
7290 2008-07-22  Simon Baldwin  <simonb@google.com>
7292         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7293         to zero when writing undefined symbols.
7295 2008-07-22  Ian Lance Taylor  <iant@google.com>
7297         * output.cc (Output_section::add_input_section): Don't try to
7298         merge empty merge sections.
7300 2008-07-21  Craig Silverstein  <csilvers@google.com>
7302         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7303         Include symbol version in error message.
7305 2008-07-20  Chris Demetriou  <cgd@google.com>
7307         * configure.ac (gold_cv_c_random_seed): New configured variable.
7308         (RANDOM_SEED_CFLAGS): New substituted variable.
7309         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7310         * configure: Rebuild.
7311         * Makefile.in: Likewise.
7312         * testsuite/Makefile.in: Likewise.
7314 2008-07-18  Ian Lance Taylor  <iant@google.com>
7316         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7317         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7318         * testsuite/ver_test_main.cc (main): Call t4.
7319         (t4, t4_2a): Define.
7320         * testsuite/ver_test_2.cc (t4_2): Define.
7321         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7322         * testsuite/ver_test_4.cc (t4_2a): Define.
7323         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7324         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7326 2008-07-17  Ian Lance Taylor  <iant@google.com>
7328         * dynobj.cc (Versions::add_def): If we give an error about a
7329         missing version, go ahead and create the version anyhow.
7331 2008-07-10  Ian Lance Taylor  <iant@google.com>
7333         Handle output sections with more than 0x7fffffff bytes.
7334         * object.h (class Relobj): Change map_to_output_ to
7335         output_sections_, and just keep a section pointer.  Change all
7336         uses.  Move comdat group support to Sized_relobj.
7337         (Relobj::is_section_specially_mapped): Remove.
7338         (Relobj::output_section): Remove poff parameter.  Change all
7339         callers.
7340         (Relobj::output_section_offset): New function.
7341         (Relobj::set_section_offset): Rewrite.
7342         (Relobj::map_to_output): Remove.
7343         (Relobj::output_sections): New function.
7344         (Relobj::do_output_section_offset): New pure virtual function.
7345         (Relobj::do_set_section_offset): Likewise.
7346         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7347         group support from Relobj.  Update declarations.
7348         (Sized_relobj::get_output_section_offset): New function.
7349         (Sized_relobj::do_output_section_offset): New function.
7350         (Sized_relobj::do_set_section_offset): New function.
7351         * object.cc (Relobj::output_section_address): Remove.
7352         (Sized_relobj::Sized_relobj): Initialize new fields.
7353         (Sized_relobj::include_section_group): Cast find_kept_object to
7354         Sized_relobj.
7355         (Sized_relobj::include_linkonce_section): Likewise.
7356         (Sized_relobj::do_layout): Use separate arrays for output section
7357         and output offset.
7358         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7359         output_sections.
7360         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7361         output_sections and section_offsets.
7362         (Sized_relobj::write_local_symbols): Likewise.
7363         (map_to_kept_section): Compute output address directly.
7364         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7365         output_sections and section_offsets.
7366         (Sized_relobj::write_sections): Likewise.
7367         (Sized_relobj::relocate_sections): Likewise.
7368         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7369         * output.h (class Output_reloc): Update declarations.  Change
7370         u2_.relobj to Sized_relobj*.
7371         (class Output_data_reloc): Change add functions to use
7372         Sized_relobj*.
7373         * output.cc (Output_reloc::Output_reloc): Change relobj to
7374         Sized_relobj*.
7375         (Output_reloc::local_section_offset): Change return type to
7376         Elf_Addr.  Use get_output_section_offset.
7377         (Output_reloc::get_address): Likewise.
7378         (Output_section::is_input_address_mapped): Don't call
7379         is_section_specially_mapped.
7380         (Output_section::output_offset): Likewise.
7381         (Output_section::output_address): Likewise.
7382         (Output_section::starting_output_address): Likewise.
7383         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7384         parameter to Sized_relobj*.
7385         (Copy_relocs::need_copy_reloc): Likewise.
7386         (Copy_relocs::save): Likewise.
7387         * copy-relocs.h (class Copy_relocs): Update declarations.
7388         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7389         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7390         * target-reloc.h (relocate_for_relocatable): Change
7391         offset_in_output_section type to Elf_Addr.  Change code that uses
7392         it as well.
7393         * layout.cc (Layout::layout): Always set *off.
7394         * mapfile.cc (Mapfile::print_input_section): Use
7395         output_section_offset.
7396         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7397         Sized_relobj*.
7398         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7399         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7400         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7402 2008-07-03  Ian Lance Taylor  <iant@google.com>
7404         * layout.cc (Layout::include_section): Do not discard unrecognized
7405         SHT_STRTAB sections.
7407 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7409         * script.cc (Lex::can_continue_name): Make '?' allowable in
7410         version-script names.
7411         * testsuite/version_script.map: Change glob pattern to use '?'
7413 2008-06-30  Manish Singh  <yosh@gimp.org>
7415         PR 6585
7416         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7417         Correct typo.
7419 2008-06-30  Ian Lance Taylor  <iant@google.com>
7421         PR 6660
7422         PR 6682
7423         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7424         versions]: Don't try to read the value in the contents, since we
7425         don't use it.  Use the template endianness when writing.
7427 2008-06-25  Cary Coutant  <ccoutant@google.com>
7429         * fileread.cc (File_read::make_view): Assert on zero-length view.
7430         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7431         symbol table when there are no symbols to read.
7433 2008-06-23  Craig Silverstein  <csilvers@google.com>
7435         * version.cc (version_string): Bump to 1.7
7437 2008-06-18  Craig Silverstein  <csilvers@google.com>
7439         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7440         constant 0xFFFF to type Valtype.
7441         (Powerpc_relocate_functions::rel16_ha): Likewise.
7443 2008-06-17  Ian Lance Taylor  <iant@google.com>
7445         * output.h (Output_section::Input_section): Initialize p2align_ to
7446         zero for Output_section_data constructors.
7447         (Output_section::Input_section::addralign): If not an input
7448         section, return the alignment of the Output_section_data.
7449         * testsuite/copy_test.cc: New file.
7450         * testsuite/copy_test_1.cc: New file.
7451         * testsuite/copy_test_2.cc: New file.
7452         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7453         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7454         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7455         (copy_test_1_pic.o, copy_test_1.so): New targets.
7456         (copy_test_2_pic.o, copy_test_2.so): New targets.
7457         * testsuite/Makefile.in: Rebuild.
7459         * script-sections.cc (Script_sections::place_orphan): Initialize
7460         local variable exact.
7462 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
7464         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7466 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
7467             David S. Miller  <davem@davemloft.net>
7469         * powerpc.cc: New file.
7470         * Makefile.am (TARGETSOURCES): Add powerpc.cc
7471         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7472         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7473         * Makefile.in: Rebuild.
7475 2008-06-09  Ian Lance Taylor  <iant@google.com>
7477         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7478         <exception>.
7479         (throwing, orig_terminate): New static variables.
7480         (terminate_handler): New static function.
7481         (t2): Set terminate handler.
7483 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
7485         PR 6584
7486         * binary.cc (Binary_to_elf::sized_convert): Fix .data
7487         alignment.
7489 2008-05-30  Cary Coutant  <ccoutant@google.com>
7491         * archive.cc (Archive::include_all_members) Correct to step
7492         over symbol table and extended name table in thin archives.
7494 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7496         PR 6407
7497         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7498         calculation.
7500 2008-05-28  Caleb Howe  <cshowe@google.com>
7502         * reduced_debug_output.cc: New file.
7503         * reduced_debug_output.h: New file.
7504         * options.h (class General_options): Add --strip-debug-non-line.
7505         * options.cc (General_options::finalize): Add strip_debug_non_line
7506         to the strip heirarchy.
7507         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7508         fields.
7509         * layout.cc: Include "reduced_debug_output.h".
7510         (Layout::Layout): Initialize new fields.
7511         (line_only_debug_sections): New static array.
7512         (is_lines_only_debug_sections): New static inline function.
7513         (Layout::include_section): Handle --strip-debug-non-line.
7514         (Layout::make_output_section): If --strip-debug-non-line, build
7515         new output sections for .debug_abbrev and .debug_info.
7516         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7517         gold.  Warn about possible overflow.
7518         (read_signed_LEB_128): Likewise.
7519         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7520         (read_signed_LEB_128): Declare.
7521         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7522         (HFILES): Add reduced_debug_output.h.
7523         * Makefile.in: Rebuild.
7525 2008-05-21  Ian Lance Taylor  <iant@google.com>
7527         * mapfile.cc: New file.
7528         * mapfile.h: New file.
7529         * options.h (class General_options): Add -M/--print-map and -Map.
7530         * options.cc (General_options::finalize): Make -M equivalent to
7531         -Map -.
7532         * main.cc: Include <cstdio> and "mapfile.h".
7533         (main): Open mapfile if requested.
7534         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
7535         constructor.  Change caller.
7536         (queue_initial_tasks): Add mapfile parameter.  Change caller.
7537         (queue_middle_tasks): Likewise.
7538         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7539         declarations.
7540         * archive.cc: Include "mapfile.h".
7541         (Archive::add_symbols): Add mapfile parameter.  Change all
7542         callers.  Pass mapfile, symbol, and reason to include_member.
7543         (Archive::include_all_members): Add mapfile parameter.  Change all
7544         callers.
7545         (Archive::include_member): Add mapfile, sym, and why parameters.
7546         Change all callers.  Report inclusion to map file.
7547         * archive.h: Include "fileread.h".
7548         (class Archive): Update declarations.
7549         (Archive::file): New const method.
7550         (class Add_archive_symbols): Add mapfile_ field.  Update
7551         constructor.  Change all callers.
7552         * readsyms.h (class Read_symbols): Likewise.
7553         (class Finish_group): Likewise.
7554         (class Read_script): Likewise.
7555         * common.cc: Include "mapfile.h".
7556         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
7557         all callers.
7558         (Symbol_table::do_allocate_commons): Likewise.
7559         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
7560         symbol allocation to mapfile.
7561         * common.h (class Allocate_commons_task): Add mapfile_ field.
7562         Update constructor.  Change all callers.
7563         * symtab.h (class Symbol_table): Update declarations.
7564         * layout.cc: Include "mapfile.h".
7565         (Layout_task_runner::run): Print information to mapfile.
7566         (Layout::create_gold_note): Change Output_data_fixed_space to
7567         Output_data_zero_fill.
7568         (Layout::create_build_id): Likewise.
7569         (Layout::print_to_mapfile): New function.
7570         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
7571         constructor.  Change caller.
7572         (class Layout): Declare print_to_mapfile.
7573         * output.cc (Output_section::Input_section::print_to_mapfile): New
7574         function.
7575         (Output_section::add_input_section): If producing a map, always
7576         add to input_sections_ list.
7577         (Output_section::do_print_to_mapfile): New function.
7578         (Output_segment::print_sections_to_mapfile): New function.
7579         (Output_segment::print_section_list_to_mapfile): New function.
7580         * output.h: Include "mapfile.h".
7581         (Output_data::print_to_mapfile): New function.
7582         (Output_data::do_print_to_mapfile): New virtual function.
7583         (Output_segment_headers::do_print_to_mapfile): New function.
7584         (Output_file_header::do_print_to_mapfile): New function.
7585         (Output_data_const::do_print_to_mapfile): New function.
7586         (class Output_data_const_buffer): Add map_name_ field.  Update
7587         constructor.  Change all callers.  Add do_print_to_mapfile
7588         function.
7589         (class Output_data_fixed_space): Likewise.
7590         (class Output_data_space): Likewise.
7591         (class Output_data_zero_fill): New class.
7592         (Output_data_strtab::do_print_to_mapfile): New function.
7593         (Output_data_reloc_base::do_print_to_mapfile): New function.
7594         (Output_relocatable_relocs::do_print_to_mapfile): New function.
7595         (Output_data_group::do_print_to_mapfile): New function.
7596         (Output_data_got::do_print_to_mapfile): New function.
7597         (Output_data_dynamic::do_print_to_mapfile): New function.
7598         (Output_symtab_xindex::do_print_to_mapfile): New function.
7599         (class Output_section): Declare do_print_to_mapflie.  Declare
7600         print_to_mapfile in Input_section.
7601         (class Output_segment): Declare new functions.
7602         * object.h (Sized_relobj::symbol_count): New function.
7603         * script-sections.cc
7604         (Output_section_element_dot_assignment::set_section_addresses):
7605         Change Output_data_fixed_space to Output_data_zero_fill.
7606         (Output_data_expression::do_print_to_mapfile): New function.
7607         * script.cc (read_input_script): Add mapfile parameter.  Change
7608         all callers.
7609         * script.h (read_input_script): Update declaration.
7610         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7611         (Eh_frame::do_print_to_mapfile): New function.
7612         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7613         (Output_merge_string::do_print_to_mapfile): New function.
7614         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7615         function.
7616         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7617         function.
7618         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7619         function.
7620         * Makefile.am (CCFILES): Add mapfile.cc.
7621         (HFILES): Add mapfile.h.
7622         * Makefile.in: Rebuild.
7624 2008-05-19  Ian Lance Taylor  <iant@google.com>
7626         * options.h (class General_options): Add -z relro.
7627         * layout.cc (Layout::Layout): Initialize relro_segment_.
7628         (Layout::add_output_section_data): Return the output section.
7629         (Layout::make_output_section): Rcognize relro sections and mark
7630         them appropriately.
7631         (Layout::attach_allocated_section_to_segment): Put relro sections
7632         in a PT_GNU_RELRO segment.
7633         (Layout::create_initial_dynamic_sections): Mark the .dynamic
7634         section as relro.
7635         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7636         PT_TLS segments.
7637         (Layout::linkonce_mapping): Map d.rel.ro.local to
7638         .data.rel.ro.local.
7639         (Layout::output_section_name): Us .data.rel.ro.local for any
7640         section which begins with that.
7641         * layout.h (class Layout): Update add_output_section_data
7642         declaration.  Add relro_segment_ field.
7643         * output.cc (Output_section::Output_section): Initialize is_relro_
7644         and is_relro_local_ fields.
7645         (Output_segment::add_output_section): Group relro sections.
7646         (Output_segment::is_first_section_relro): New function.
7647         (Output_segment::maximum_alignment): If there is a relro section,
7648         align the segment to the common page size.
7649         (Output_segment::set_section_addresses): Track whether we are
7650         looking at relro sections.  If the last section is a relro
7651         section, align to the common page size.
7652         (Output_segment::set_section_list_addresses): Add in_relro
7653         parameter.  Change all callers.  Align to the page size when
7654         moving from relro to non-relro section.
7655         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7656         segment.
7657         * output.h (class Output_section): Add is_relro_ and
7658         is_relro_local_ fields.
7659         (Output_section::is_relro): New function.
7660         (Output_section::set_is_relro): New function.
7661         (Output_section::is_relro_local): New function.
7662         (Output_section::set_is_relro_local): New function.
7663         (class Output_segment): Update declarations.
7664         * i386.cc (Target_i386::got_section): Mark .got section as relro.
7665         * sparc.cc (Target_sparc::got_section): Likewise.
7666         * x86_64.cc (Target_x86_64::got_section): Likewise.
7667         * testsuite/relro_test_main.cc: New file.
7668         * testsuite/relro_test.cc: New file.
7669         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7670         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7671         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7672         (relro_test.so, relro_test_pic.o): New targets.
7673         * testsuite/Makefile.in: Rebuild.
7675 2008-05-16  Ian Lance Taylor  <iant@google.com>
7677         * output.cc (Output_segment::add_output_section): Remove front
7678         parameter.
7679         * output.h (class Output_segment): Remove
7680         add_initial_output_section and overloaded add_output_section.
7681         Update declaration of remaining add_output_section.
7682         * layout.cc (Layout::create_interp): Call add_output_section
7683         rather than add_initial_output_section.
7684         (Layout::finish_dynamic_section): Likewise.
7686         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7687         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
7688         know the dynamic type.
7689         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7690         field.  Initialize it in constructor.
7691         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7692         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7693         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7694         reloc.
7696         * output.cc (Output_reloc::get_address): Change return type to
7697         Elf_Addr.
7698         * output.h (class Output_reloc): Update get_address declaration.
7699         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7700         for section addresses.
7702 2008-05-09  Ian Lance Taylor  <iant@google.com>
7704         PR 6493
7705         * gold.cc (gold_nomem): Use return value of write.
7707 2008-05-08  Ian Lance Taylor  <iant@google.com>
7709         * symtab.c (Symbol::init_base_output_data): Add version
7710         parameter.  Change all callers.
7711         (Symbol::init_base_output_segment): Likewise.
7712         (Symbol::init_base_constant): Likewise.
7713         (Symbol::init_base_undefined): Likewise.
7714         (Sized_symbol::init_output_data): Likewise.
7715         (Sized_symbol::init_output_segment): Likewise.
7716         (Sized_symbol::init_constant): Likewise.
7717         (Sized_symbol::init_undefined): Likewise.
7718         (Symbol_table::do_define_in_output_data): If the new symbol has a
7719         version, mark it as the default.
7720         (Symbol_table::do_define_in_output_segment): Likewise.
7721         (Symbol_table::do_define_as_constant): Likewise.
7722         * symtab.h (class Symbol): Update declarations.
7723         (class Sized_symbol): Likewise.
7724         * resolve.cc (Symbol::override_version): New function.
7725         (Symbol::override_base): Call override_version.
7726         (Symbol::override_base_with_special): Likewise.
7727         * testsuite/ver_script_8.script: New file.
7728         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7729         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7730         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7731         (ver_test_8_1.so, ver_test_8_2.so): New targets.
7733 2008-05-06  Ian Lance Taylor  <iant@google.com>
7735         PR 6049
7736         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7737         functions.
7738         (class General_options): Remove existing --undefined, and add
7739         --no-undefined instead.  Add new --undefined as synonym for -u.
7740         * archive.cc (Archive::add_symbols): Check whether symbol was
7741         named with -u.
7742         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7743         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7744         all uses.  Add IS_UNDEFINED.  Update declarations to split
7745         different versions of init_base.  Declare init_base_undefined.
7746         (Symbol::is_defined): Handle IS_UNDEFINED.
7747         (Symbol::is_undefined): Likewise.
7748         (Symbol::is_weak_undefined): Call is_undefined.
7749         (Symbol::is_absolute): Handle IS_CONSTANT.
7750         (class Sized_symbol): Update declarations to split different
7751         versions of init.  Declare init_undefined.
7752         (class Symbol_table): Declare new functions.
7753         * symtab.cc (Symbol::init_base_object): Rename from init_base.
7754         Change all callers.
7755         (Symbol::init_base_output_data): Likewise.
7756         (Symbol::init_base_output_segment): Likewise.
7757         (Symbol::init_base_constant): Likewise.
7758         (Symbol::init_base_undefined): New function.
7759         (Sized_symbol::init_object): Rename from init.  Change all
7760         callers.
7761         (Sized_symbol::init_output_data): Likewise.
7762         (Sized_symbol::init_output_segment): Likewise.
7763         (Sized_symbol::init_constant): Likewise.
7764         (Sized_symbol::init_undefined): New function.
7765         (Symbol_table::add_undefined_symbols_from_command_line): New
7766         function.
7767         (Symbol_table::do_add_undefined_symbols_from_command_line): New
7768         function.
7769         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
7770         (Symbol::output_section): Likewise.
7771         (Symbol::set_output_section): Likewise.
7772         (Symbol_table::sized_finalize_symbol): Likewise.
7773         (Symbol_table::sized_write_globals): Likewise.
7774         * resolve.cc (Symbol_table::should_override): Likewise.
7775         (Symbol::override_base_with_special): Likewise.
7777         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
7778         symbol, change it to have default visibility.
7779         * testsuite/protected_1.cc: New file.
7780         * testsuite/protected_2.cc: New file.
7781         * testsuite/protected_3.cc: New file.
7782         * testsuite/protected_main_1.cc: New file.
7783         * testsuite/protected_main_2.cc: New file.
7784         * testsuite/protected_main_3.cc: New file.
7785         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
7786         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
7787         (protected_1_LDFLAGS, protected_1_LDADD): Define.
7788         (protected_1.so): New target.
7789         (protected_1_pic.o, protected_2_pic.o): New targets.
7790         (protected_3_pic.o): New target.
7791         (check_PROGRAMS): Add protected_2.
7792         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
7793         (protected_2_LDFLAGS, protected_2_LDADD): Define.
7794         * testsuite/Makefile.in: Rebuild.
7796         * options.h (DEFINE_var): Add set_user_set_##varname__.
7797         (DEFINE_bool_alias): New macro.
7798         (class General_options): Define -Bstatic using DEFINE_bool_alias
7799         rather than DEFINE_special.  Add --undefined as an alias for -z
7800         defs.
7801         * options.cc (General_options::parse_Bstatic): Remove.
7803         * options.h (class General_options): Add --fatal-warnings.
7804         * main.cc (main): Implement --fatal-warnings.
7805         * errors.h (Errors::warning_count): New function.
7807         * options.h (class General_options): Add -Bsymbolic-functions.
7808         * symtab.h (Symbol::is_preemptible): Check for
7809         -Bsymbolic-functions.
7811 2008-05-05  Ian Lance Taylor  <iant@google.com>
7813         * options.h (DEFINE_bool): For DASH_Z, create the negative option
7814         as noVARNAME rather than no-VARNAME.
7815         (class General_options): Add option -z combreloc.
7816         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
7817         get_address.
7818         (Output_reloc::sort_before) [SHT_REL]: New function.
7819         (Output_reloc::sort_before) [SHT_RELA]: New function.
7820         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
7821         Sort_relocs_comparison.
7822         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
7823         parameter.  Change all callers.
7824         (Output_data_reloc::Output_data_reloc) [both versions]: Add
7825         sort_relocs parameter.  Change all callers.
7826         * output.cc (Output_reloc::get_address): New function, broken out
7827         of write_rel.
7828         (Output_reloc::write_rel): Call it.
7829         (Output_reloc::compare): New function.
7830         (Output_data_reloc_base::do_write): Optionally sort relocs.
7832         * configure.ac: If targ_extra_obj is set, link it in.
7833         * configure.tgt: Initialize all variables.
7834         (x86_64*): Set targ_extra_obj and targ_extra_size.
7835         * configure: Rebuild.
7837         * object.cc (Sized_relobj::include_section_group): Adjust section
7838         indexes read from group data.  Build vector to pass to
7839         layout_group.
7840         * layout.cc (Layout::layout_group): Add flags and shndxes
7841         parameters.  Remove contents parameter.  Change caller.  Update
7842         explicit instantiations.
7843         * layout.h (class Layout): Update layout_group declaration.
7844         * output.cc (Output_data_group::Output_data_group): Add flags and
7845         input_shndxes parameters.  Remove contents parameter.  Change
7846         caller.
7847         (Output_data_group::do_write): Change input_sections_ to
7848         input_shndxes_.
7849         * output.h (class Output_data_group): Update constructor
7850         declaration.  Rename input_sections_ to input_shndxes_.
7851         * testsuite/many_sections_test.cc: Add template.
7853 2008-04-30  Cary Coutant  <ccoutant@google.com>
7855         * target-reloc.h (relocate_section): Fix dead-pointer bug.
7857         * layout.cc (Layout::include_section): Refactored check for debug
7858         info section.
7859         (Layout::add_comdat): Add new parameters.  Change type
7860         of signature parameter.  Add object and shndx to signatures table.
7861         (Layout::find_kept_object): New function.
7862         * layout.h: Include <cstring>.
7863         (Layout::is_debug_info_section): New function.
7864         (Layout::add_comdat): Add new parameters.
7865         (Layout::find_kept_object): New function.
7866         (Layout::Kept_section): New struct.
7867         (Layout::Signatures): Change type of map range.
7868         * object.cc (Relobj::output_section_address): New function.
7869         (Sized_relobj::include_section_group): Add new parameters.  Change
7870         calls to Layout::add_comdat.  Change to build table of kept comdat
7871         groups and table mapping discarded sections to kept sections.
7872         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
7873         (Sized_relobj::do_layout): Change calls to include_section_group and
7874         include_linkonce_section.
7875         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7876         value to zero when section is discarded.
7877         (Sized_relobj::map_to_kept_section): New function.
7878         * object.h (Relobj::output_section_address): New function.
7879         (Relobj::Comdat_group): New type.
7880         (Relobj::find_comdat_group): New function.
7881         (Relobj::Comdat_group_table): New type.
7882         (Relobj::Kept_comdat_section): New type.
7883         (Relobj::Kept_comdat_section_table): New type.
7884         (Relobj::add_comdat_group): New function.
7885         (Relobj::set_kept_comdat_section): New function.
7886         (Relobj::get_kept_comdat_section): New function.
7887         (Relobj::comdat_groups_): New field.
7888         (Relobj::kept_comdat_sections_): New field.
7889         (Symbol_value::input_value): Update comment.
7890         (Sized_relobj::map_to_kept_section) New function.
7891         (Sized_relobj::include_linkonce_section): Add new parameter.
7892         * target-reloc.h (Comdat_behavior): New type.
7893         (get_comdat_behavior): New function.
7894         (relocate_section): Add code to map a discarded section to the
7895         corresponding kept section when applying a relocation.
7897 2008-04-30  Craig Silverstein  <csilvers@google.com>
7899         * dwarf_reader.cc (next_generation_count): New static var.
7900         (Addr2line_cache_entry): New struct.
7901         (addr2line_cache): New static var.
7902         (Dwarf_line_info::one_addr2line): Added caching.
7903         (Dwarf_line_info::clear_addr2line_cache): New function.
7904         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7905         cache-size parameter.
7906         (Dwarf_line_info::one_addr2line_cache): New function.
7907         * symtab.cc (Symbol_table::detect_odr_violations): Pass
7908         new cache-size argument to one_addr2line(), and clear cache.
7910 2008-04-28  Cary Coutant  <ccoutant@google.com>
7912         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7913         R_386_PC8 relocations.
7915 2008-04-23  Ian Lance Taylor  <iant@google.com>
7917         * object.cc (Sized_relobj::include_section_group): Check for
7918         invalid section group.
7920         * object.cc (make_elf_object): Correct test for 64-bit ELF file
7921         header size.
7923         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7924         than read for file header.
7925         * archive.cc (Archive::include_member): Likewise.
7927 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
7929         * aclocal.m4: Regenerate.
7930         * configure: Regenerate.
7932 2008-04-19  Ian Lance Taylor  <iant@google.com>
7934         * version.cc (version_string): Bump to 1.6.
7936         * testsuite/Makefile.am (many_sections_r_test): New target.
7937         (many_sections_r_test_SOURCES): Remove.
7938         (many_sections_r_test_DEPENDENCIES): Remove.
7939         (many_sections_r_test_LDFLAGS): Remove.
7940         (many_sections_r_test_LDADD): Remove.
7942         * object.cc (Sized_relobj::do_add_symbols): Always pass
7943         local_symbol_count_ to add_from_relobj.
7945         * testsuite/Makefile.am (many_sections_check.h): Only check one in
7946         every thousand variables.
7947         * testsuite/Makefile.in: Rebuild.
7949         * object.cc (Xindex::initialize_symtab_xindex): New function.
7950         (Xindex::read_symtab_xindex): New function.
7951         (Xindex::sym_xindex_to_shndx): New function.
7952         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7953         available.
7954         (Sized_relobj::do_initialize_xindex): New function.
7955         (Sized_relobj::do_read_symbols): Adjust section links.
7956         (Sized_relobj::symbol_section_and_value): Add is_ordinary
7957         parameter.  Change all callers.
7958         (Sized_relobj::include_section_group): Adjust section links and
7959         symbol section indexes.
7960         (Sized_relobj::do_layout): Adjust section links.
7961         (Sized_relobj::do_count_local_symbols): Adjust section links and
7962         symbol section indexes.
7963         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7964         ordinary and special symbols.
7965         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7966         dynsym_xindex parameters.  Change all callers.  Adjust section
7967         links.  Use SHN_XINDEX when needed.
7968         (Sized_relobj::get_symbol_location_info): Adjust section links.
7969         Don't get fooled by special symbols.
7970         * object.h (class Xindex): Define.
7971         (class Object): Add xindex_ parameter.  Declare virtual functoin
7972         do_initialize_xindex.
7973         (Object::adjust_sym_shndx): New function.
7974         (Object::set_xindex): New protected function.
7975         (class Symbol_value): Add is_ordinary_shndx_ field.
7976         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7977         (Symbol_value::value): Assert ordinary section.
7978         (Symbol_value::initialize_input_to_output_map): Likewise.
7979         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7980         Change all callers.
7981         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7982         all callers.
7983         (class Sized_relobj): Update declarations.
7984         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7985         parameter.  Change all callers.
7986         (Sized_relobj::adjust_shndx): New function.
7987         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7988         field.
7989         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7990         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7991         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7992         (Sized_dynobj::read_dynsym_section): Adjust section links.
7993         (Sized_dynobj::read_dynamic): Likewise.
7994         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7995         section links.
7996         (Sized_dynobj::do_initialize_xindex): New function.
7997         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7998         do_initialize_xindex.
7999         (Sized_dynobj::adjust_shndx): New function.
8000         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8001         dynsym_xindex_ fields.
8002         (Layout::finalize): Add a call to set_section_indexes before
8003         creating the symtab sections.
8004         (Layout::set_section_indexes): Don't do anything if the section
8005         already has a section index.
8006         (Layout::create_symtab_sections): Add shnum parameter.  Change
8007         caller.  Create .symtab_shndx section if needed.
8008         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8009         caller.
8010         (Layout::allocated_output_section_count): New function.
8011         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8012         needed.
8013         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8014         fields.  Update declarations.
8015         (Layout::symtab_xindex): New function.
8016         (Layout::dynsym_xindex): New function.
8017         (class Write_symbols_task): Add layout_ field.
8018         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8019         Change caller.
8020         * output.cc (Output_section_headers::Output_section_headers): Add
8021         shstrtab_section parameter.  Change all callers.
8022         (Output_section_headers::do_sized_write): Store overflow values
8023         for section count and section string table section index in
8024         section header zero.
8025         (Output_file_header::do_sized_write): Check for overflow of
8026         section count and section string table section index.
8027         (Output_symtab_xindex::do_write): New function.
8028         (Output_symtab_xindex::endian_do_write): New function.
8029         * output.h (class Output_section_headers): Add shstrtab_section_.
8030         Update declarations.
8031         (class Output_symtab_xindex): Define.
8032         (Output_section::has_out_shndx): New function.
8033         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8034         field.
8035         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8036         Change all callers.
8037         (Sized_symbol::init): Likewise.
8038         (Symbol::output_section): Check for ordinary symbol.
8039         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8040         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8041         callers.
8042         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8043         Change all callers.  Simplify handling of symbols from sections
8044         not included in the link.
8045         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8046         distinction.
8047         (Weak_alias_sorter::operator()): Assert that symbols are
8048         ordinary.
8049         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8050         distinction.
8051         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8052         parameters.  Change all callers.
8053         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8054         symbol distinction.  Use SHN_XINDEX when needed.
8055         (Symbol_table::write_section_symbol): Add symtab_xindex
8056         parameter.  Change all callers.
8057         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8058         SHN_XINDEX when needed.
8059         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8060         declarations.
8061         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8062         (Symbol::is_defined): Check is_ordinary.
8063         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8064         (Symbol::is_absolute, Symbol::is_common): Likewise.
8065         (class Sized_symbol): Update declarations.
8066         (class Symbol_table): Update declarations.
8067         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8068         parameters.  Change all callers.
8069         (Sized_symbol::override): Likewise.
8070         (Symbol_table::override): Likewise.
8071         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8072         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8073         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8074         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8075         to be in an ordinary section.
8076         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8077         object and is_ordinary parameters.  Change all callers.
8078         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8079         Change all callers.  Don't add undefined or non-ordinary symbols
8080         to reloc_map_.
8081         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8082         Change all callers.
8083         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8084         declarations.
8085         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8086         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8087         (Sized_relobj::relocate_sections): Likewise.
8088         * target-reloc.h (scan_relocs): Adjust section symbol index.
8089         (scan_relocatable_relocs): Likewise.
8090         * i386.cc (Scan::local): Check for ordinary symbols.
8091         * sparc.cc (Scan::local): Likewise.
8092         * x86_64.cc (Scan::local): Likewise.
8093         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8094         to symbol_section_and_value.
8095         * testsuite/many_sections_test.cc: New file.
8096         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8097         (check_PROGRAMS): Add many_sections_test.
8098         (many_sections_test_SOURCES): Define.
8099         (many_sections_test_DEPENDENCIES): Define.
8100         (many_sections_test_LDFLAGS): Define.
8101         (BUILT_SOURCES): Add many_sections_define.h.
8102         (many_sections_define.h): New target.
8103         (BUILT_SOURCES): Add many_sections_check.h.
8104         (many_sections_check.h): New target.
8105         (check_PROGRAMS): Add many_sections_r_test.
8106         (many_sections_r_test_SOURCES): Define.
8107         (many_sections_r_test_DEPENDENCIES): Define.
8108         (many_sections_r_test_LDFLAGS): Define.
8109         (many_sections_r_test_LDADD): Define.
8110         (many_sections_r_test.o): New target.
8111         * testsuite/Makefile.in: Rebuild.
8113 2008-04-17  Cary Coutant  <ccoutant@google.com>
8115         * errors.cc (Errors::info): New function.
8116         (gold_info): New function.
8117         * errors.h (Errors::info): New function.
8118         * gold.h (gold_info): New function.
8119         * object.cc (Input_objects::add_object): Print trace output.
8120         * options.cc (options::parse_set): New function.
8121         (General_options::parse_wrap): Deleted.
8122         (General_options::General_options): Deleted initializer.
8123         * options.h (options::String_set): New typedef.
8124         (options::parse_set): New function.
8125         (DEFINE_set): New macro.
8126         (General_options::wrap): Changed to use DEFINE_set. Changed
8127         callers of any_wrap_symbols and is_wrap_symbol.
8128         (General_options::trace, General_options::trace_symbol):
8129         New options.
8130         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8131         (General_options::wrap_symbols_): Deleted.
8132         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8134 2008-04-17  David S. Miller  <davem@davemloft.net>
8136         * options.cc (General_options::parse_V): New function.
8137         * options.h: Add entries for -V and -Qy.
8139 2008-04-17  Ian Lance Taylor  <iant@google.com>
8141         * common.cc (Symbol_table::allocate_commons): Remove options
8142         parameter.  Change caller.
8143         (Symbol_table::do_allocate_commons): Remove options parameter.
8144         Change caller.  Just call do_allocate_commons_list twice.
8145         (Symbol_table::do_allocate_commons_list): New function, broken out
8146         of do_allocate_commons.
8147         * common.h (class Allocate_commons_task): Remove options_ field.
8148         Update constructor.
8149         * symtab.cc (Symbol_table::Symbol_table): Initialize
8150         tls_commons_.
8151         (Symbol_table::add_from_object): Put TLS common symbols on
8152         tls_commons_ list.
8153         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8154         which are IN_OUTPUT_DATA.
8155         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8156         allocate_commons and do_allocate_commons declarations.  Declare
8157         do_allocate_commons_list.
8158         * gold.cc (queue_middle_tasks): Update creation of
8159         Allocate_commons_task to not pass options.
8160         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8161         (TLS_TEST_C_FLAGS): New variable.
8162         (tls_test_c_pic.o): New target.
8163         (tls_test_shared.so): Link in tls_test_c_pic.o.
8164         (tls_test_c_pic_ie.o): New target.
8165         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8166         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8167         (tls_test_c.o): New target.
8168         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8169         (tls_pic_test_LDADD): Likewise.
8170         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8171         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8172         (tls_test_c_gnu2.o): New target.
8173         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8174         tls_test_c_gnu2.o.
8175         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8176         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8177         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8178         * testsuite/tls_test.cc: Include "config.h".
8179         (t_last): Call t11_last.
8180         * testsuite/tls_test.h (t11, t11_last): Declare.
8181         * testsuite/tls_test_c.c: New file.
8182         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8183         * configure.ac: Check for OpenMP support.
8184         * configure, config.in, Makefile.in: Rebuild.
8185         * testsuite/Makefile.in: Rebuild.
8187 2008-04-16  Cary Coutant  <ccoutant@google.com>
8189         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8190         (Target_i386::tls_base_symbol_defined_): New field.
8191         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8192         (Target_i386::Scan::global): Likewise.
8193         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8194         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8195         (Target_x86_64::tls_base_symbol_defined_): New field.
8196         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8197         (Target_x86_64::Scan::global): Likewise.
8199 2008-04-16  Cary Coutant  <ccoutant@google.com>
8201         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8202         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8203         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8204         building shared libraries.
8205         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8206         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8207         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8208         * testsuite/Makefile.in: Rebuild.
8209         * testsuite/weak_undef.h: New file.
8210         * testsuite/weak_undef_file1.cc: Add extra test cases.
8211         * testsuite/weak_undef_file2.cc: Likewise.
8212         * testsuite/weak_undef_test.cc: Likewise.
8214 2008-04-16  David S. Miller  <davem@davemloft.net>
8216         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8217         Add issued_non_pic_error_ field.  Declare check_non_pic.
8218         (Target_sparc::Scan::check_non_pic): New function.
8219         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8220         (Target_sparc::Scan::global): Likewise.
8222         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8223         * configure: Rebuild.
8225         * options.h (DEFINE_enable): New macro.
8226         (new_dtags): New enable option.
8227         (initfirst, interpose, loadfltr, nodefaultlib,
8228         nodelete, nodlopen, nodump): New -z options.
8229         * layout.cc (Layout:finish_dynamic_section): If new
8230         dtags enabled, emit DT_RUNPATH.  Also, emit a
8231         DT_FLAGS_1 containing any specified -z flags.
8233 2008-04-16  Ian Lance Taylor  <iant@google.com>
8235         * copy-relocs.cc: New file.
8236         * copy-relocs.h: New file.
8237         * reloc.cc: Remove Copy_relocs code.
8238         * reloc.h: Likewise.
8239         * reloc-types.h (struct Reloc_types) [both versions]: Add
8240         get_reloc_addend_noerror.
8241         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8242         variants of add_global which take an addend which must be zero.
8243         * i386.cc: Include "copy-relocs.h".
8244         (class Target_i386): Change type of copy_relocs_ to variable,
8245         update initializer.
8246         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8247         Change all callers.
8248         (Target_i386::do_finalize_sections): Change handling of
8249         copy_relocs_.
8250         * sparc.cc: Include "copy-relocs.h".
8251         (class Target_sparc): Change type of copy_relocs_ to variable,
8252         update initializer.
8253         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8254         Change all callers.
8255         (Target_sparc::do_finalize_sections): Change handling of
8256         copy_relocs_.
8257         * x86_64.cc: Include "copy-relocs.h".
8258         (class Target_x86_64): Change type of copy_relocs_ to variable,
8259         update initializer.
8260         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8261         class.  Change all callers.
8262         (Target_x86_64::do_finalize_sections): Change handling of
8263         copy_relocs_.
8264         * Makefile.am (CCFILES): Add copy-relocs.cc.
8265         (HFILES): Add copy-relocs.h.
8267         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8269         * testsuite/script_test_4.sh: Permit leading zeroes.
8271 2008-04-15  Ian Lance Taylor  <iant@google.com>
8273         * script-sections.cc (Script_sections::create_segments): Use
8274         header_size_adjustment even when there is enough room for the
8275         headers.
8276         * testsuite/script_test_4.sh: New file.
8277         * testsuite/script_test_4.t: New file.
8278         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8279         (check_DATA): Add script_test_4.stdout.
8280         (MOSTLYCLEANFILES): Likewise.
8281         (script_test_4): New target.
8282         (script_test_4.stdout): New target.
8283         * testsuite/Makefile.in: Rebuild.
8285         * sparc.cc: Add definitions for Output_data_plt_sparc class
8286         constants.
8288 2008-04-14  David S. Miller  <davem@davemloft.net>
8290         * sparc.cc: New file.
8291         * Makefile.am (TARGETSOURCES): Add sparc.cc
8292         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8293         * configure.tgt: Document targ_extra_size and
8294         targ_extra_big_endian.  Add entries for sparc-* and
8295         sparc64-*.
8296         * configure.ac: Handle targ_extra_size and
8297         targ_extra_big_endian.
8298         * Makefile.in: Rebuild.
8299         * configure: Likewise.
8300         * po/POTFILES.in: Likewise.
8301         * po/gold.pot: Likewise.
8303 2008-04-14  Ian Lance Taylor  <iant@google.com>
8305         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8306         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8307         in the name/type/flags to section mapping.  Don't call
8308         allocate_output_section.
8309         (Layout::choose_output_section): Change parameter from adjust_name
8310         to is_input_section.  Don't permit input sections after sections
8311         are attached to segments.  Don't call allocate_output_section.
8312         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8313         not write_enable_output_section.
8314         (Layout::make_output_section): Don't push to
8315         unattached_section_list_ nor call attach_to_segment.  Call
8316         attach_section_to_segment if sections are attached.
8317         (Layout::attach_sections_to_segments): New function.
8318         (Layout::attach_section_to_segment): New function.
8319         (Layout::attach_allocated_section_to_segment): Rename from
8320         attach_to_segment.  Remove flags parameter.
8321         (Layout::allocate_output_section): Remove function.
8322         (Layout::write_enable_output_section): Remove function.
8323         * layout.h (class Layout): Update for above changes.  Add new
8324         field sections_are_attached_.
8325         * output.h (Output_section::update_flags_for_input_section): New
8326         function.
8327         * output.cc (Output_section::add_input_section): Call
8328         update_flags_for_input_section.
8329         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8331 2008-04-11  Cary Coutant  <ccoutant@google.com>
8333         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8334         thought unnecessary.
8335         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8337 2008-04-11  Ian Lance Taylor  <iant@google.com>
8339         * output.h (class Output_section_data): Remove inline definition
8340         of set_addralign.
8341         * output.cc (Output_section_data::set_addralign): New function.
8343 2008-04-11  Cary Coutant  <ccoutant@google.com>
8345         Add support for TLS descriptors for i386 and x86_64.
8346         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8347         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8348         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8349         GOT_TYPE_TLS_DESC.
8350         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8351         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8352         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8353         relocations.
8354         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8355         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8356         Fix problem with initial-exec relocations.
8357         (Target_i386::Relocate::relocate_tls): Likewise.
8358         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8359         relaxation.
8360         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8361         support for section-plus-offset dynamic table entries.
8362         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8363         (Output_data_dynamic::Dynamic_entry): Add support for
8364         section-plus-offset dynamic table entries.
8365         (Output_data_dynamic::Classification): Likewise.
8366         (Output_data_dynamic::classification_): Renamed offset_.
8367         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8368         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8369         (Target_x86_64::make_plt_section): New function.
8370         (Target_x86_64::reserve_tlsdesc_entries): New function.
8371         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8372         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8373         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8374         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8375         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8376         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8377         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8378         add extra PLT entry for TLS descriptors.
8379         (Output_data_plt_x86_64::got_): New field.
8380         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8381         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8382         fields.
8383         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8384         descriptors.
8385         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8386         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8387         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8388         R_386_TLS_DESC_CALL relocations.
8389         (Target_x86_64::Scan::global): Likewise.
8390         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8391         for TLS descriptors.
8392         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8393         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8394         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8395         GD-to-IE relaxation.
8396         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8397         and TLS_DESCRIPTORS.
8398         * Makefile.in: Rebuild.
8399         * configure: Rebuild.
8400         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8401         (tls_test_shared2.so): New target.
8402         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8403         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8404         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8405         (tls_shared_gd_to_ie_test_LDADD): New variable.
8406         (tls_shared_gnu2_gd_to_ie_test): New target.
8407         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8408         New targets.
8409         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8410         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8411         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8412         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8413         (tls_shared_gnu2_test): New target.
8414         (tls_test_gnu2_shared.so): New target.
8415         (tls_shared_gnu2_test_SOURCES): New variable.
8416         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8417         (tls_shared_gnu2_test_LDFLAGS): New variable.
8418         (tls_shared_gnu2_test_LDADD): New variable.
8419         * testsuite/Makefile.in: Rebuild.
8420         * testsuite/Makefile.
8422 2008-04-11  Ian Lance Taylor  <iant@google.com>
8424         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8425         justsyms.t.
8426         * testsuite/Makefile.in: Rebuild.
8428         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8429         long.
8430         * testsuite/script_test_2.cc (main): Adjust test.
8432 2008-04-11  David S. Miller  <davem@davemloft.net>
8433             Ian Lance Taylor  <iant@google.com>
8435         * options.h (General_options): Add entries for '-Y' and
8436         '-relax'.
8437         * options.cc (General_options:finalize): If -Y was used, add those
8438         entries to the library path instead of the default "/lib" and
8439         "/usr/lib".
8441 2008-04-11  David S. Miller  <davem@davemloft.net>
8443         * testsuite/justsyms.t: Start at 0x100.
8444         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8445         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8446         long.
8447         * testsuite/script_test_2.cc: Adjust string and section length
8448         checks.
8450 2008-04-09  Ian Lance Taylor  <iant@google.com>
8452         PR gold/5996
8453         * script-sections.cc (Sections_element::allocate_to_segment): Add
8454         orphan parameter.
8455         (Output_section_definition::allocate_to_segment): Likewise.
8456         (Orphan_output_section::allocate_to_segment): Likewise.
8457         (Script_sections::attach_sections_using_phdrs_clause): Don't
8458         propagate non-PT_LOAD segments to orphan sections.
8459         * testsuite/Makefile.am (script_test_3.stdout): Generate using
8460         readelf rather than objdump.
8461         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
8462         .interp section and PT_INTERP segment are the same size.
8463         * testsuite/Makefile.in: Rebuild.
8465         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8466         aliases for symbols defined in the same object.
8467         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8468         (weak_alias_test_SOURCES): New variable.
8469         (weak_alias_test_DEPENDENCIES): New variable.
8470         (weak_alias_test_LDFLAGS): New variable.
8471         (weak_alias_test_LDADD): New variable.
8472         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8473         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8474         (weak_alias_test_3.o): New target.
8475         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8476         * testsuite/weak_alias_test_main.cc: New file.
8477         * testsuite/weak_alias_test_1.cc: New file.
8478         * testsuite/weak_alias_test_2.cc: New file.
8479         * testsuite/weak_alias_test_3.cc: New file.
8481 2008-04-08  Ian Lance Taylor  <iant@google.com>
8483         * options.h (class General_options): Add --noinhibit-exec option.
8484         * main.cc (main): Check --noinhibit-exec.
8486         * options.h (class General_options): Define --wrap as a special
8487         option.  Add wrap_symbols_ field.
8488         (General_options::any_wrap_symbols): New function.
8489         (General_options::is_wrap_symbol): New function.
8490         * options.cc (General_options::parse_wrap): New function.
8491         (General_options::General_options): Initialize wrap_symbols_.
8492         * symtab.cc (Symbol_table::wrap_symbol): New function.
8493         (Symbol_table::add_from_object): Handle --wrap.
8494         * symtab.h (class Symbol_table): Declare wrap_symbol.
8495         * target.h (Target::wrap_char): New function.
8496         (Target::Target_info): Add wrap_char field.
8497         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8498         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8499         * testsuite/testfile.cc (Target_test::test_target_info):
8500         Likewise.
8502         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8503         there is one.
8505         * layout.h (class Layout): Add added_eh_frame_data_ field.
8506         * layout.cc (Layout::Layout): Initialize new field.
8507         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8508         output section until we find a section we merged successfully.
8509         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8510         that the size be non-zero.
8512         * merge.cc (Object_merge_map::get_output_offset): Remove inline
8513         qualifier.
8515 2008-04-08  Craig Silverstein  <csilvers@google.com>
8517         * configure.ac: Export new conditional variable HAVE_ZLIB.
8518         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8519         on HAVE_ZLIB.
8520         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8521         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8523 2008-04-07  Ian Lance Taylor  <iant@google.com>
8525         * version.cc (version_string): Set to "1.5".
8527         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8528         Add issued_non_pic_error_ field.  Declare check_non_pic.
8529         (Target_x86_64::Scan::check_non_pic): New function.
8530         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8531         (Target_x86_64::Scan::global): Likewise.
8533         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8534         addend parameter.  Change caller.  Handle merge sections.
8535         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8536         Address to Addend.  Don't add in the result of
8537         local_section_offset, pass down the addend and use the returned
8538         value.
8539         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8540         Update declarations of local_section_offset and symbol_value.
8541         * testsuite/two_file_test_1.cc (t18): New function.
8542         * testsuite/two_file_test_2.cc (f18): New function.
8543         * testsuite/two_file_test_main.cc (main): Call t18.
8544         * testsuite/two_file_test.h (t18, f18): Declare.
8546         * configure.ac: Don't test for objdump, c++filt, or readelf.
8547         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8548         conditionals.
8549         (TEST_READELF): New variable.
8550         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8551         (check_PROGRAMS): Add two_file_strip_test.
8552         (two_file_strip_test): New target.
8553         (check_PROGRAMS): Add two_file_same_shared_strip_test.
8554         (two_file_same_shared_strip_test_SOURCES): New variable.
8555         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8556         (two_file_same_shared_strip_test_LDFLAGS): New variable.
8557         (two_file_same_shared_strip_test_LDADD): New variable.
8558         (two_file_shared_strip.so): New target.
8559         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8560         (ver_test_5.syms, ver_test_7.syms): Likewise.
8561         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8562         (strip_test_3.stdout): Use TEST_OBJDUMP.
8563         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8565 2008-04-04  Cary Coutant  <ccoutant@google.com>
8567         * symtab.h (Symbol::is_weak_undefined): New function.
8568         (Symbol::is_strong_undefined): New function.
8569         (Symbol::is_absolute): New function.
8570         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8571         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8572         absolute symbols.
8573         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8574         (weak_undef_test): New target.
8575         * testsuite/Makefile.in: Rebuild.
8576         * testsuite/weak_undef_file1.cc: New file.
8577         * testsuite/weak_undef_file2.cc: New file.
8578         * testsuite/weak_undef_test.cc: New file.
8580 2008-04-03  Craig Silverstein  <csilvers@google.com>
8582         * compressed_output.h (class Output_compressed_section): Use
8583         unsigned buffer.
8584         * compressed_output.cc (zlib_compress): Use unsigned buffers,
8585         add zlib header.
8586         (zlib_compressed_suffix): Removed.
8587         (Output_compressed_section::set_final_data_size): Use unsigned
8588         buffers.
8589         * testsuite/Makefile.am (flagstest_compress_debug_sections):
8590         Fix linker invocation.
8591         (flagstest_o_specialfile_and_compress_debug_sections):
8592         Likewise.
8593         * testsuite/Makefile.in: Regenerated.
8595 2008-04-02  David S. Miller  <davem@davemloft.net>
8597         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8598         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8600 2008-04-02  Craig Silverstein  <csilvers@google.com>
8602         * TODO: New file.
8604 2008-04-02  Ian Lance Taylor  <iant@google.com>
8606         * fileread.cc (File_read::find_view): Add byteshift and vshifted
8607         parameters.  Update for new key type to views_.  Change all
8608         callers.
8609         (File_read::read): Adjust for byteshift in returned view.
8610         (File_read::add_view): New function, broken out of
8611         find_and_make_view.
8612         (File_read::make_view): New function, broken out of
8613         find_and_make_view.
8614         (File_read::find_or_make_view): Add offset and aligned
8615         parameters.  Rewrite accordingly.  Change all callers.
8616         (File_read::get_view): Add offset and aligned parameters.  Adjust
8617         for byteshift in return value.
8618         (File_read::get_lasting_view): Likewise.
8619         * fileread.h (class File_read): Update declarations.
8620         (class File_read::View): Add byteshift_ field.  Add byteshift to
8621         constructor.  Add byteshift method.
8622         * archive.h (Archive::clear_uncached_views): New function.
8623         (Archive::get_view): Add aligned parameter.  Change all callers.
8624         * object.h (Object::get_view): Add aligned parameter.  Change all
8625         callers.
8626         (Object::get_lasting_view): Likewise.
8628         * fileread.cc (File_read::release): Don't call clear_views if
8629         there are multiple objects.
8630         * fileread.h (File_read::clear_uncached_views): New function.
8631         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8632         on the archive.
8634 2008-03-31  Cary Coutant  <ccoutant@google.com>
8636         Add thin archive support.
8637         * archive.cc (Archive::armagt): New const.
8638         (Archive::setup): Remove task parameter and calls to unlock.
8639         (Archive::unlock_nested_archives): New function.
8640         (Archive::read_header): Add nested_off parameter. Change
8641         all callers.
8642         (Archive::interpret_header): Likewise.
8643         (Archive::include_all_members): Change to handle thin
8644         archives.
8645         (Archive::include_member): Likewise.
8646         * archive.h (Archive::Archive): Add new parameters and
8647         initializers.
8648         (Archive::armagt): New const.
8649         (Archive::setup): Remove task parameter.
8650         (Archive::unlock_nested_archives): New function.
8651         (Archive::read_header): Add nested_off parameter.
8652         (Archive::interpret_header): Likewise.
8653         (Archive::Nested_archive_table): New typedef.
8654         (Archive::is_thin_archive_): New field.
8655         (Archive::nested_archives_): New field.
8656         (Archive::options_): New field.
8657         (Archive::dirpath_): New field.
8658         (Archive::task_): New field.
8659         * readsyms.cc (Read_symbols::do_read_symbols): Add check
8660         for thin archives.  Pass additional parameters to
8661         Archive::Archive.  Unlock the archive file after calling
8662         Archive::setup.
8664 2008-03-29  Ian Lance Taylor  <iant@google.com>
8666         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8667         version symbol to be local.
8668         * testsuite/ver_test_4.sh: New file.
8669         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8670         (check_DATA): Add ver_test_4.syms.
8671         (ver_test_4.syms): New target.
8672         * testsuite/Makefile.in: Rebuild.
8674         * output.cc
8675         (Output_section::Input_section_sort_entry::has_priority): New
8676         function.
8677         (Output_section::Input_section_sort_entry::match_file_name): New
8678         function.
8679         (Output_section::Input_section_sort_entry::match_section_name):
8680         Remove.
8681         (Output_section::Input_section_sort_entry::match_section_name_prefix):
8682         Remove.
8683         (Output_section::Input_section_sort_entry::match_section_file):
8684         Remove.
8685         (Output_section::Input_section_sort_compare::operator()): Rewrite
8686         using new Input_section_sort_entry functions.  Sort crtbegin and
8687         crtend first.  Sort sections with no priority before sections with
8688         a priority.
8689         * testsuite/initpri1.c (d3): Check j != 4.
8690         (cd5): New constructor/destructor function.
8691         (main): Check j != 2.
8693         * symtab.cc (Symbol_table::add_from_object): If we don't use the
8694         new symbol when resolving, don't call set_is_default.
8695         * testsuite/ver_test_7.cc: New file.
8696         * testsuite/ver_test_7.sh: New file.
8697         * testsuite/Makefile.am (ver_test_7.so): New target.
8698         (ver_test_7.o): New target.
8699         (check_SCRIPTS): Add ver_test_7.sh.
8700         (check_DATA): Add ver_test_7.syms.
8701         (ver_test_7.syms): New target.
8703 2008-03-28  Ian Lance Taylor  <iant@google.com>
8705         * layout.cc (Layout::layout): If we see an input section with a
8706         name that needs sorting, set the must_sort flag for the output
8707         section.
8708         (Layout::make_output_section): If the name of the output section
8709         indicates that it might require sorting, set the may_sort flag.
8710         * output.h (Output_section::may_sort_attached_input_sections): New
8711         function.
8712         (Output_section::set_may_sort_attached_input_sections): New
8713         function.
8714         (Output_section::must_sort_attached_input_sections): New
8715         function.
8716         (Output_section::set_must_sort_attached_input_sections): New
8717         function.
8718         (class Output_section): Declare Input_section_sort_entry.  Define
8719         Input_section_sort_compare.  Declare
8720         sort_attached_input_sections.  Add new fields:
8721         may_sort_attached_input_sections_,
8722         must_sort_attached_input_sections_,
8723         attached_input_sections_are_sorted_.
8724         * output.cc (Output_section::Output_section): Initialize new
8725         fields.
8726         (Output_section::add_input_section): Add an entry to
8727         input_sections_ if may_sort or must_sort are true.
8728         (Output_section::set_final_data_size): Call
8729         sort_attached_input_sections if necessary.
8730         (Output_section::Input_section_sort_entry): Define new class.
8731         (Output_section::Input_section_sort_compare::operator()): New
8732         function.
8733         (Output_section::sort_attached_input_sections): New function.
8734         * configure.ac: Check whether the compiler supports constructor
8735         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
8736         * testsuite/initpri1.c: New file.
8737         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8738         CONSTRUCTOR_PRIORITY.
8739         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8740         (initpri1_LDFLAGS): New variable.
8741         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8743 2008-03-27  Ian Lance Taylor  <iant@google.com>
8745         * common.cc (Sort_commons::operator): Correct sorting algorithm.
8746         * testsuite/common_test_1.c: New file.
8747         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8748         (common_test_1_SOURCES): New variable.
8749         (common_test_1_DEPENDENCIES): New variable.
8750         (common_test_1_LDFLAGS): New variable.
8752         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8753         and commons_ correctly when NAME/VERSION does not override
8754         NAME/NULL.
8755         * testsuite/ver_test_6.c: New file.
8756         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
8757         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
8758         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
8760 2008-03-26  Ian Lance Taylor  <iant@google.com>
8762         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
8763         of an undefined symbol from a version script.
8764         * testsuite/Makefile.am (ver_test_5.so): New target.
8765         (ver_test_5.o): New target.
8766         (check_SCRIPTS): Add ver_test_5.sh.
8767         (check_DATA): Add ver_test_5.syms.
8768         (ver_test_5.syms): New target.
8769         * testsuite/ver_test_5.cc: New file.
8770         * testsuite/ver_test_5.script: New file.
8771         * testsuite/ver_test_5.sh: New file.
8772         * Makefile.in, testsuite/Makefile.in: Rebuild.
8774         PR gold/5986
8775         Fix problems building gold with gcc 4.3.0.
8776         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
8777         (gold_error_at_location, gold_warning_at_location): Use it.
8778         * configure.ac: Check whether we can compile and use a template
8779         function with a printf attribute.
8780         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
8781         when jumping over bytes.
8782         * object.cc: Instantiate Object::read_section_data.
8783         * debug.h: Include <cstring>
8784         * dwarf_reader.cc: Include <algorithm>
8785         * main.cc: Include <cstring>.
8786         * options.cc: Include <cstring>.
8787         * output.cc: Include <cstring>.
8788         * script.cc: Include <cstring>.
8789         * script.h: Include <string>.
8790         * symtab.cc: Include <cstring> and <algorithm>.
8791         * target-select.cc: Include <cstring>.
8792         * version.cc: Include <string>.
8793         * testsuite/testmain.cc: Include <cstdlib>.
8794         * configure, config.in: Rebuild.
8796 2008-03-25  Ian Lance Taylor  <iant@google.com>
8798         * options.cc: Include "../bfd/bfdver.h".
8799         (options::help): Print bug reporting address.
8801         * version.cc (print_version): Adjust output for current value of
8802         BFD_VERSION_STRING.
8804         * NEWS: New file.
8806         * options.cc (options::help): Print list of supported targets.
8807         * target-select.h: Include <vector>.
8808         (class Target_selector): Make machine_, size_, and is_big_endian_
8809         fields const.  Add bfd_name_ and instantiated_target_ fields.
8810         (Target_selector::Target_selector): Add bfd_name parameter.
8811         (Target_selector::recognize): Make non-virtual, call
8812         do_recognize.
8813         (Target_selector::recognize_by_name): Make non-virtual, call
8814         do_recognize_by_name.
8815         (Target_selector::supported_names): New function.
8816         (Target_selector::bfd_name): New function.
8817         (Target_selector::do_instantiate_target): New pure virtual
8818         function.
8819         (Target_selector::do_recognize): New virtual function.
8820         (Target_selector::do_recognize_by_name): New virtual function.
8821         (Target_selector::instantiate_target): New private function.
8822         (supported_target_names): Declare.
8823         * target-select.cc (Target_selector::Target_selector): Update for
8824         new parameter and fields.
8825         (select_target_by_name): Check that the name matches before
8826         calling recognize_by_name.
8827         (supported_target_names): New function.
8828         * i386.cc (class Target_selector_i386): Update Target_selector
8829         constructor call.  Remove recognize and recognize_by_name.  Add
8830         do_instantiate_target.
8831         * x86_64.cc (class Target_selector_x86_64): Likewise.
8832         * testsuite/testfile.cc (class Target_selector_test): Update for
8833         changes to Target_selector.
8835         * README: Rewrite, with some notes on unsupported features.
8837 2008-03-24  Cary Coutant  <ccoutant@google.com>
8839         * i386.cc (Target_i386::Got_type): New enum declaration.
8840         (Target_i386::Scan::local): Updated callers of Output_data_got
8841         member functions.
8842         (Target_i386::Scan::global): Likewise.
8843         (Target_i386::Relocate::relocate): Likewise.
8844         (Target_i386::Relocate::relocate_tls): Likewise.
8845         * object.h (Got_offset_list): New class.
8846         (Sized_relobj::local_has_got_offset): Added got_type parameter.
8847         (Sized_relobj::local_got_offset): Likewise.
8848         (Sized_relobj::set_local_got_offset): Likewise.
8849         (Sized_relobj::local_has_tls_got_offset): Removed.
8850         (Sized_relobj::local_tls_got_offset): Removed.
8851         (Sized_relobj::set_local_tls_got_offset): Removed.
8852         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
8853         * output.cc (Output_data_got::add_global): Added got_type parameter.
8854         (Output_data_got::add_global_with_rel): Likewise.
8855         (Output_data_got::add_global_with_rela): Likewise.
8856         (Output_data_got::add_global_pair_with_rel): New function.
8857         (Output_data_got::add_global_pair_with_rela): New function.
8858         (Output_data_got::add_local): Added got_type parameter.
8859         (Output_data_got::add_local_with_rel): Likewise.
8860         (Output_data_got::add_local_with_rela): Likewise.
8861         (Output_data_got::add_local_pair_with_rel): New function.
8862         (Output_data_got::add_local_pair_with_rela): New function.
8863         (Output_data_got::add_global_tls): Removed.
8864         (Output_data_got::add_global_tls_with_rel): Removed.
8865         (Output_data_got::add_global_tls_with_rela): Removed.
8866         (Output_data_got::add_local_tls): Removed.
8867         (Output_data_got::add_local_tls_with_rel): Removed.
8868         (Output_data_got::add_local_tls_with_rela): Removed.
8869         * output.h (Output_data_got::add_global): Added got_type parameter.
8870         (Output_data_got::add_global_with_rel): Likewise.
8871         (Output_data_got::add_global_with_rela): Likewise.
8872         (Output_data_got::add_global_pair_with_rel): New function.
8873         (Output_data_got::add_global_pair_with_rela): New function.
8874         (Output_data_got::add_local): Added got_type parameter.
8875         (Output_data_got::add_local_with_rel): Likewise.
8876         (Output_data_got::add_local_with_rela): Likewise.
8877         (Output_data_got::add_local_pair_with_rel): New function.
8878         (Output_data_got::add_local_pair_with_rela): New function.
8879         (Output_data_got::add_global_tls): Removed.
8880         (Output_data_got::add_global_tls_with_rel): Removed.
8881         (Output_data_got::add_global_tls_with_rela): Removed.
8882         (Output_data_got::add_local_tls): Removed.
8883         (Output_data_got::add_local_tls_with_rel): Removed.
8884         (Output_data_got::add_local_tls_with_rela): Removed.
8885         * resolve.cc (Symbol::override_base_with_special): Removed
8886         reference to has_got_offset_ field.
8887         * symtab.cc (Symbol::init_fields): Replaced initialization
8888         of got_offset_ with got_offsets_.  Removed initialization
8889         of has_got_offset_
8890         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
8891         (Symbol::got_offset): Likewise.
8892         (Symbol::set_got_offset): Likewise.
8893         (Symbol::has_tls_got_offset): Removed.
8894         (Symbol::tls_got_offset): Removed.
8895         (Symbol::set_tls_got_offset): Removed.
8896         (Symbol::got_offset_): Removed.
8897         (Symbol::tls_mod_got_offset_): Removed.
8898         (Symbol::tls_pair_got_offset_): Removed.
8899         (Symbol::got_offsets_): New field.
8900         (Symbol::has_got_offset): Removed.
8901         (Symbol::has_tls_mod_got_offset): Removed.
8902         (Symbol::has_tls_pair_got_offset): Removed.
8903         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8904         (Target_x86_64::Scan::local): Updated callers of Output_data_got
8905         member functions.
8906         (Target_x86_64::Scan::global): Likewise.
8907         (Target_x86_64::Relocate::relocate): Likewise.
8908         (Target_x86_64::Relocate::relocate_tls): Likewise.
8910 2008-03-25  Ben Elliston  <bje@au.ibm.com>
8912         * yyscript.y: Fix spelling error in comment.
8914 2008-03-24  Ian Lance Taylor  <iant@google.com>
8916         * options.h (class General_options): Define build_id option.
8917         * layout.h (class Layout): Declare write_build_id, create_note,
8918         create_build_id.  Add build_id_note_ member.
8919         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8920         "libiberty.h", "md5.h", "sha1.h".
8921         (Layout::Layout): Initialize eh_frame_data_,
8922         eh_frame_hdr_section_, and build_id_note_.
8923         (Layout::finalize): Call create_build_id.
8924         (Layout::create_note): New function, broken out of
8925         Layout::create_gold_note.
8926         (Layout::create_gold_note): Call create_note.
8927         (Layout::create_build_id): New function.
8928         (Layout::write_build_id): New function.
8929         (Close_task_runner::run): Call write_build_id.
8931         * x86_64.cc: Correct license to GPLv3.
8933 2008-03-23  Ian Lance Taylor  <iant@google.com>
8935         * options.cc: Include "demangle.h".
8936         (parse_optional_string): New function.
8937         (parse_long_option): Handle takes_optional_argument.
8938         (parse_short_option): Update dash_z initializer.  Handle
8939         takes_optional_argument.
8940         (General_options::General_options): Initialize do_demangle_.
8941         (General_options::finalize): Set do_demangle_.  Handle demangling
8942         style.
8943         * options.h (parse_optional_string): Declare.
8944         (struct One_option): Add optional_arg field.  Update constructor.
8945         Update call constructor calls.  Add takes_optional_argument
8946         function.
8947         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
8948         (DEFINE_optional_string): Define.
8949         (General_options::demangle): Change from DEFINE_bool to
8950         DEFINE_optional_string.
8951         (General_options::no_demangle): New function.
8952         (General_options::do_demangle): New function.
8953         (General_options::set_do_demangle): New function.
8954         (General_options::execstack_status_): Move definition to end of
8955         class definition.
8956         (General_options::static_): Likewise.
8957         (General_options::do_demangle_): New field.
8958         * object.cc (big_endian>::get_symbol_location_info): Call
8959         Options::do_demangle, not Options::demangle.
8960         * symtab.cc (demangle): Likewise.
8962 2008-03-22  Ian Lance Taylor  <iant@google.com>
8964         * gold.h: Include <cstddef> and <sys/types.h>
8965         * options.h: Include <cstring>.
8967 2008-03-21  Ian Lance Taylor  <iant@google.com>
8969         * Added source code to GNU binutils.