PR 11899
[platform/upstream/binutils.git] / gold / ChangeLog
1 2010-08-24  Nick Clifton  <nickc@redhat.com>
2
3         PR 11899
4         * layout.cc (segment_precedes): Sort segments by their physical
5         addresses, if they have been set.
6
7 2010-08-23  Cary Coutant  <ccoutant@google.com>
8
9         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
10         symbols data.
11         (Lib_group::include_member): Unlock object after deleting its
12         symbols data.
13         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
14         the bug fixed here.
15
16 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
17             Cary Coutant  <ccoutant@google.com>
18
19         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
20         constructor, and set_blocker.
21         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
22         readsyms_blocker_.
23         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
24         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
25         * testsuite/Makefile.am (start_lib_test): New test case.
26         * testsuite/Makefile.in: Regenerate.
27         * testsuite/start_lib_test_main.c: New file.
28         * testsuite/start_lib_test_1.c: New file.
29         * testsuite/start_lib_test_2.c: New file.
30         * testsuite/start_lib_test_3.c: New file.
31
32 2010-08-19  Ian Lance Taylor  <iant@google.com>
33
34         * Makefile.in: Rebuild with automake 1.11.1.
35         * aclocal.m4: Likewise.
36         * testsuite/Makefile.in: Likewise.
37
38 2010-08-19  Ian Lance Taylor  <iant@google.com>
39
40         PR 10893
41         * i386.cc (class Output_data_plt_i386): Update declarations.
42         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
43         local_ifuncs_ fields.
44         (Target_i386::do_plt_section_for_global): New function.
45         (Target_i386::do_plt_section_for_local): New function.
46         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
47         parameter; change all callers.  Initialize global_ifuncs_ and
48         local_ifuncs_.  If doing a static link define __rel_iplt_start and
49         __rel_iplt_end.
50         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
51         (Output_data_plt_i386::add_local_ifunc_entry): New function.
52         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
53         symbols.
54         (Target_i386::make_plt_section): New function, broken out of
55         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
56         (Target_i386::make_plt_entry): Call make_plt_section.
57         (Target_i386::make_local_ifunc_plt_entry): New function.
58         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
59         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
60         R_386_IRELATIVE to switch.
61         (Target_i386::Scan::global): Likewise.
62         (Target_i386::Relocate::relocate): Likewise.
63         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
64         switch.
65         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
66         (Target_x86_64::do_plt_section_for_global): New function.
67         (Target_x86_64::do_plt_section_for_local): New function.
68         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
69         parameter; change all callers.  If doing a static link define
70         __rela_iplt_start and __rela_iplt_end.
71         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
72         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
73         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
74         to point to .plt.
75         (Target_x86_64::make_local_ifunc_plt_entry): New function.
76         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
77         switch.
78         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
79         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
80         R_X86_64_IRELATIVE to switch.
81         (Target_x86_64::Scan::global): Likewise.
82         (Target_x86_64::Relocate::relocate): Likewise.
83         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
84         switch.
85         * target.h (class Target): Add plt_section_for_global and
86         plt_section_for_local functions.  Add do_plt_section_for_global
87         and do_plt_section_for_local virtual functions.
88         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
89         clarifying comments.
90         (Symbol::use_plt_offset): Handle IFUNC symbol.
91         * object.cc (Sized_relobj::Sized_relobj): Initialize
92         local_plt_offsets_.
93         (Sized_relobj::local_has_plt_offset): New function.
94         (Sized_relobj::local_plt_offset): New function.
95         (Sized_relobj::set_local_plt_offset): New function.
96         (Sized_relobj::do_count): Handle IFUNC symbol.
97         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
98         a bit away from input_shndx_ field.  Add set_is_func_symbol and
99         is_ifunc_symbol functions.
100         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
101         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
102         local_plt_offsets_ field.
103         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
104         * output.h (class Output_section_data): Add non-const
105         output_section function.
106         (class Output_data_got): Update declarations.
107         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
108         Add use_plt_offset parameter to global and local constructors.
109         Change all callers.  Change local_sym_index_ field to 31 bits.
110         Change GSYM_CODE and CONSTANT_CODE accordingly.
111         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
112         doing a static link don't set sh_link field.
113         (Output_data_got::Got_entry::write): Use PLT offset if
114         appropriate.
115         (Output_data_got::add_global_plt): New function.
116         (Output_data_got::add_local_plt): New function.
117         * target-reloc.h (relocate_section): Handle IFUNC symbol.
118         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
119         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
120         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
121         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
122         IFUNC conditional.
123         * testsuite/ifunc-sel.h: New file.
124         * testsuite/ifuncmain1.c: New file.
125         * testsuite/ifuncmain1vis.c: New file.
126         * testsuite/ifuncmod1.c: New file.
127         * testsuite/ifuncdep2.c: New file.
128         * testsuite/ifuncmain2.c: New file.
129         * testsuite/ifuncmain3.c: New file.
130         * testsuite/ifuncmod3.c: New file.
131         * testsuite/ifuncmain4.c: New file.
132         * testsuite/ifuncmain5.c: New file.
133         * testsuite/ifuncmod5.c: New file.
134         * testsuite/ifuncmain6pie.c: New file.
135         * testsuite/ifuncmod6.c: New file.
136         * testsuite/ifuncmain7.c: New file.
137         * configure, testsuite/Makefile.in: Rebuild.
138
139 2010-08-18  Ian Lance Taylor  <iant@google.com>
140
141         * incremental.cc
142         (Output_section_incremental_inputs::write_input_files): Add cast
143         to avoid signed/unsigned comparison warning.
144         (Output_section_incremental_inputs::write_info_blocks): Likewise.
145
146 2010-08-12  Cary Coutant  <ccoutant@google.com>
147
148         * common.cc (Sort_commons::operator()): Remove unnecessary code.
149
150 2010-08-13  Ian Lance Taylor  <iant@google.com>
151
152         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
153
154 2010-08-12  Cary Coutant  <ccoutant@google.com>
155             Doug Kwan  <dougkwan@google.com>
156
157         * resolve.cc (Symbol_table::should_override): When a weak dynamic
158         defintion overrides non-weak undef, remember that the original undef
159         is not weak.
160         * symtab.cc (Symbol_table::sized_write_global): For undef without
161         an original weak binding, set binding to global in output.
162         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
163         * testsuite/Makefile.in: Regenerate.
164         * testsuite/strong_ref_weak_def.sh: New file.
165         * testsuite/strong_ref_weak_def_1.c: Ditto.
166         * testsuite/strong_ref_weak_def_2.c: Ditto.
167
168 2010-08-12  Cary Coutant  <ccoutant@google.com>
169
170         * testsuite/incremental_test.sh: Rewrite.
171         * testsuite/incremental_test_1.c: Rewrite.
172         * testsuite/incremental_test_2.c: Rewrite.
173
174 2010-08-12  Cary Coutant  <ccoutant@google.com>
175
176         * arm.cc (Target_arm::got_size): Add const.
177         (Target_arm::got_entry_count): New function.
178         (Target_arm::plt_entry_count): New function.
179         (Target_arm::first_plt_entry_offset): New function.
180         (Target_arm::plt_entry_size): New function.
181         (Output_data_plt_arm::entry_count): New function.
182         (Output_data_plt_arm::first_plt_entry_offset): New function.
183         (Output_data_plt_arm::get_plt_entry_size): New function.
184         * i386.cc (Target_i386::got_size): Add const.
185         (Target_i386::got_entry_count): New function.
186         (Target_i386::plt_entry_count): New function.
187         (Target_i386::first_plt_entry_offset): New function.
188         (Target_i386::plt_entry_size): New function.
189         (Output_data_plt_i386::entry_count): New function.
190         (Output_data_plt_i386::first_plt_entry_offset): New function.
191         (Output_data_plt_i386::get_plt_entry_size): New function.
192         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
193         find_incremental_inputs_sections.  Dump incremental_got_plt section.
194         * incremental.cc: Include target.h.
195         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
196         parameter.  Adjust all callers.  Find incremental_got_plt section.
197         (Incremental_inputs::create_data_sections): Create incremental_got_plt
198         section.
199         (Output_section_incremental_inputs::set_final_data_size): Calculate
200         size of incremental_got_plt section.
201         (Output_section_incremental_inputs::do_write): Write the
202         incremental_got_plt section.
203         (Got_plt_view_info): New struct.
204         (Local_got_offset_visitor): New class.
205         (Global_got_offset_visitor): New class.
206         (Global_symbol_visitor_got_plt): New class.
207         (Output_section_incremental_inputs::write_got_plt): New function.
208         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
209         Add parameter.  Adjust all callers.
210         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
211         (Incremental_inputs::got_plt_section): New function.
212         (Incremental_inputs::got_plt_section_): New data member.
213         (Incremental_got_plt_reader): New class.
214         * layout.cc (Layout::create_incremental_info_sections): Add the
215         incremental_got_plt section.
216         * object.h (Got_offset_list::get_list): New function.
217         (Got offset_list::for_all_got_offsets): New function.
218         (Sized_relobj::local_got_offset_list): New function.
219         * powerpc.cc (Target_powerpc::got_size): Add const.
220         (Target_powerpc::got_entry_count): New function.
221         (Target_powerpc::plt_entry_count): New function.
222         (Target_powerpc::first_plt_entry_offset): New function.
223         (Target_powerpc::plt_entry_size): New function.
224         (Output_data_plt_powerpc::entry_count): New function.
225         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
226         (Output_data_plt_powerpc::get_plt_entry_size): New function.
227         * sparc.cc (Target_sparc::got_size): Add const.
228         (Target_sparc::got_entry_count): New function.
229         (Target_sparc::plt_entry_count): New function.
230         (Target_sparc::first_plt_entry_offset): New function.
231         (Target_sparc::plt_entry_size): New function.
232         (Output_data_plt_sparc::entry_count): New function.
233         (Output_data_plt_sparc::first_plt_entry_offset): New function.
234         (Output_data_plt_sparc::get_plt_entry_size): New function.
235         * symtab.h (Symbol::got_offset_list): New function.
236         (Symbol_table::for_all_symbols): New function.
237         * target.h (Sized_target::got_entry_count): New function.
238         (Sized_target::plt_entry_count): New function.
239         (Sized_target::plt_entry_size): New function.
240         * x86_64.cc (Target_x86_64::got_size): Add const.
241         (Target_x86_64::got_entry_count): New function.
242         (Target_x86_64::plt_entry_count): New function.
243         (Target_x86_64::first_plt_entry_offset): New function.
244         (Target_x86_64::plt_entry_size): New function.
245         (Output_data_plt_x86_64::entry_count): New function.
246         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
247         (Output_data_plt_x86_64::get_plt_entry_size): New function.
248
249 2010-08-12  Cary Coutant  <ccoutant@google.com>
250
251         * archive.cc: Include incremental.h.
252         (Archive::Archive): Initialize incremental_info_.
253         (Archive::include_member): Record archive members in incremental info.
254         (Add_archive_symbols::run): Record begin and end of an archive in
255         incremental info.
256         (Lib_group::include_member): Record objects in incremental info.
257         * archive.h (Incremental_archive_entry): Forward declaration.
258         (Archive::set_incremental_info): New member function.
259         (Archive::incremental_info): New member function.
260         (Archive::Unused_symbol_iterator): New class.
261         (Archive::unused_symbols_begin): New member function.
262         (Archive::unused_symbols_end): New member function.
263         (Archive::incremental_info_): New data member.
264         * incremental-dump.cc (find_input_containing_global): New function.
265         (dump_incremental_inputs): Dump new incremental info sections.
266         * incremental.cc: Include symtab.h.
267         (Output_section_incremental_inputs): New class.
268         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
269         new incremental info sections.
270         (Sized_incremental_binary::do_check_inputs): Likewise.
271         (Incremental_inputs::report_archive): Remove.
272         (Incremental_inputs::report_archive_begin): New function.
273         (Incremental_inputs::report_archive_end): New function.
274         (Incremental_inputs::report_object): New function.
275         (Incremental_inputs::finalize_inputs): Remove.
276         (Incremental_inputs::report_input_section): New function.
277         (Incremental_inputs::report_script): Rewrite.
278         (Incremental_inputs::finalize): Do nothing but finalize string table.
279         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
280         (Incremental_inputs::sized_create_inputs_section_data): Remove.
281         (Incremental_inputs::create_data_sections): New function.
282         (Incremental_inputs::relocs_entsize): New function.
283         (Output_section_incremental_inputs::set_final_data_size): New function.
284         (Output_section_incremental_inputs::do_write): New function.
285         (Output_section_incremental_inputs::write_header): New function.
286         (Output_section_incremental_inputs::write_input_files): New function.
287         (Output_section_incremental_inputs::write_info_blocks): New function.
288         (Output_section_incremental_inputs::write_symtab): New function.
289         * incremental.h (Incremental_script_entry): Forward declaration.
290         (Incremental_object_entry): Forward declaration.
291         (Incremental_archive_entry): Forward declaration.
292         (Incremental_inputs): Forward declaration.
293         (Incremental_inputs_header_data): Remove.
294         (Incremental_inputs_header): Remove.
295         (Incremental_inputs_header_write): Remove.
296         (Incremental_inputs_entry_data): Remove.
297         (Incremental_inputs_entry): Remove.
298         (Incremental_inputs_entry_write): Remove.
299         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
300         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
301         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
302         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
303         Likewise.
304         (Incremental_input_entry): New class.
305         (Incremental_script_entry): New class.
306         (Incremental_object_entry): New class.
307         (Incremental_archive_entry): New class.
308         (Incremental_inputs::Incremental_inputs): Initialize new data members.
309         (Incremental_inputs::report_inputs): Remove.
310         (Incremental_inputs::report_archive): Remove.
311         (Incremental_inputs::report_archive_begin): New function.
312         (Incremental_inputs::report_archive_end): New function.
313         (Incremental_inputs::report_object): Change prototype.
314         (Incremental_inputs::report_input_section): New function.
315         (Incremental_inputs::report_script): Change prototype.
316         (Incremental_inputs::get_reloc_count): New function.
317         (Incremental_inputs::set_reloc_count): New function.
318         (Incremental_inputs::create_data_sections): New function.
319         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
320         (Incremental_inputs::inputs_section): New function.
321         (Incremental_inputs::symtab_section): New function.
322         (Incremental_inputs::relocs_section): New function.
323         (Incremental_inputs::get_stringpool): Add const.
324         (Incremental_inputs::command_line): Add const.
325         (Incremental_inputs::inputs): Remove.
326         (Incremental_inputs::command_line_key): New function.
327         (Incremental_inputs::input_file_count): New function.
328         (Incremental_inputs::input_files): New function.
329         (Incremental_inputs::relocs_entsize): New function.
330         (Incremental_inputs::sized_create_inputs_section_data): Remove.
331         (Incremental_inputs::finalize_inputs): Remove.
332         (Incremental_inputs::Input_info): Remove.
333         (Incremental_inputs::lock_): Remove.
334         (Incremental_inputs::inputs_): Change type.
335         (Incremental_inputs::inputs_map_): Remove.
336         (Incremental_inputs::current_object_entry_): New data member.
337         (Incremental_inputs::inputs_section_): New data member.
338         (Incremental_inputs::symtab_section_): New data member.
339         (Incremental_inputs::relocs_section_): New data member.
340         (Incremental_inputs::reloc_count_): New data member.
341         (Incremental_inputs_reader): New class.
342         (Incremental_symtab_reader): New class.
343         (Incremental_relocs_reader): New class.
344         * layout.cc (Layout::finalize): Move finalization of incremental info
345         and creation of incremental info sections to follow finalization of
346         symbol table.  Set offsets for postprocessing sections.
347         (Layout::create_incremental_info_sections): Call
348         Incremental_inputs::create_data_sections.  Add incremental symtab
349         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
350         sections to layout after input sections.
351         * layout.h (struct Timespec): Forward declaration.
352         (Layout::incremental_inputs): Add const.
353         (Layout::create_incremental_info_sections): Add parameter.
354         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
355         * object.cc: Include incremental.h.
356         (Relobj::finalize_incremental_relocs): New function.
357         (Sized_relobj::do_layout): Record input sections in incremental info.
358         * object.h (Object::output_section): New function.
359         (Object::output_section_offset): Moved from Relobj.
360         (Object::get_incremental_reloc_base): New function.
361         (Object::get_incremental_reloc_count): New function.
362         (Object::do_output_section): New function.
363         (Object::do_output_section_offset): Moved from Relobj.
364         (Object::do_get_incremental_reloc_base): New function.
365         (Object::do_get_incremental_reloc_count): New function.
366         (Object::Object): Initialize new data members.
367         (Relobj::output_section): Renamed do_output_section and moved to
368         protected.
369         (Relobj::output_section_offset): Moved to Object.
370         (Relobj::do_get_incremental_reloc_base): New function.
371         (Relobj::do_get_incremental_reloc_count): New function.
372         (Relobj::allocate_incremental_reloc_counts): New function.
373         (Relobj::count_incremental_reloc): New function.
374         (Relobj::finalize_incremental_relocs): New function.
375         (Relobj::next_incremental_reloc_index): New function.
376         (Relobj::reloc_counts_): New data member.
377         (Relobj::reloc_bases_): New data member.
378         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
379         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
380         (Sized_relobj::incremental_relocs_scan): New function.
381         (Sized_relobj::incremental_relocs_scan_reltype): New function.
382         (Sized_relobj::incremental_relocs_write): New function.
383         (Sized_relobj::incremental_relocs_write_reltype): New function.
384         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
385         incremental link.
386         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
387         archives and object files elsewhere.
388         (Add_symbols::run): Report object files here.
389         (Finish_group::run): Report end of archive at end of group.
390         * reloc.cc: Include layout.h, incremental.h.
391         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
392         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
393         (Sized_relobj::incremental_relocs_scan): New function.
394         (Sized_relobj::incremental_relocs_scan_reltype): New function.
395         (Sized_relobj::do_relocate_sections): Write incremental relocations.
396         (Sized_relobj::incremental_relocs_write): New function.
397         (Sized_relobj::incremental_relocs_write_reltype): New function.
398         * script.cc (read_input_script): Rewrite test for incremental link.
399         Change call to Incremental_inputs::report_script.
400         * symtab.h (Symbol_table::first_global_index): New function.
401         (Symbol_table::output_count): New function.
402
403 2010-08-12  Doug Kwan  <dougkwan@google.com>
404
405         * arm.cc (Target_arm::merge_object_attributes): Check command line
406         options --no-wchar-size-warning and --no-enum-size-warning.
407         * options.h (General_options): Add ld-compatible options
408         --no-enum-size-warning and --no-wchar-size-warning.
409
410 2010-08-04  Ian Lance Taylor  <iant@google.com>
411
412         * x86_64.cc (Target_x86_64::Scan::local): Use
413         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
414         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
415         (Target_x86_64::Scan::global): Likewise.
416         (Target_x86_64::Relocate::relocate): Likewise.
417         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
418         Likewise.
419
420 2010-08-03  Cary Coutant  <ccoutant@google.com>
421
422         * merge.cc (Output_merge_string::do_add_input_section): Count strings
423         to reserve space in merged_strings vector. Keep total input size
424         for stats.
425         (Output_merge_string::do_print_merge_stats): Print total input size.
426         * merge.h (Output_merge_string): Add input_size_ field.
427         * stringpool.cc (Stringpool_template::string_length): Move
428         implementations out of Stringpool_template class and place in
429         stringpool.h.
430         * stringpool.h (string_length): Move out of Stringpool_template.
431
432 2010-08-03  Ian Lance Taylor  <iant@google.com>
433
434         PR 11712
435         * layout.cc (relaxation_loop_body): If address of load segment is
436         set, adjust address to include headers if possible.
437
438 2010-08-03  Ian Lance Taylor  <iant@google.com>
439
440         * version.cc (version_string): Bump to 1.10.
441
442 2010-08-03  Ian Lance Taylor  <iant@google.com>
443
444         PR 11805
445         * layout.h (enum Output_section_order): Define.
446         (class Layout): Update declarations.
447         * layout.cc (Layout::get_output_section): Add order parameter.
448         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
449         is_first_non_relro parameters.  Change all callers.
450         (Layout::choose_output_section): Likewise.
451         (Layout::add_output_section_data): Likewise.
452         (Layout::make_output_section): Likewise.  Set order.
453         (Layout::default_section_order): New function.
454         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
455         * output.cc (Output_section::Output_section): Initialize order_.
456         Don't initialize deleted fields.
457         (Output_segment::Output_segment): Don't initialize deleted
458         fields.
459         (Output_segment::add_output_section_to_load): New function
460         replacing add_output_section.  Change all callers to call this or
461         add_output_section_to_nonload.
462         (Output_segment::add_output_section_to_nonload): New function.
463         (Output_segment::remove_output_section): Rewrite.
464         (Output_segment::add_initial_output_data): Likewise.
465         (Output_segment::has_any_data_sections): Likewise.
466         (Output_segment::is_first_section_relro): Likewise.
467         (Output_segment::maximum_alignment): Likewise.
468         (Output_segment::has_dynamic_reloc): New function replacing
469         dynamic_reloc_count.  Change all callers.
470         (Output_segment::has_dynamic_reloc_list): New function replacing
471         dynamic_reloc_count_list.  Change all callers.
472         (Output_segment::set_section_addresses): Rewrite.
473         (Output_segment::set_offset): Rewrite.
474         (Output_segment::find_first_and_last_list): Remove.
475         (Output_segment::set_tls_offsets): Rewrite.
476         (Output_segment::first_section_load_address): Likewise.
477         (Output_segment::output_section_count): Likewise.
478         (Output_segment::section_with_lowest_load_address): Likewise.
479         (Output_segment::write_section_headers): Likewise.
480         (Output_segment::print_sections_to_map): Likewise.
481         * output.h (class Output_data): Remove dynamic_reloc_count_
482         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
483         (Output_data::add_dynamic_reloc): Rewrite.
484         (Output_data::has_dynamic_reloc): New function.
485         (Output_data::dynamic_reloc_count): Remove.
486         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
487         is_last_relro_, is_first_non_relro_, is_interp_,
488         is_dynamic_linker_section_ fields.  Add order and set_order
489         functions.  Remove is_relro_local, set_is_relro_local,
490         is_last_relro, set_is_last_relro, is_first_non_relro,
491         set_is_first_non_relro functions, is_interp, set_is_interp,
492         is_dynamic_linker_section, and set_is_dynamic_linker_section
493         functions.
494         (class Output_segment): Change Output_data_list from std::list to
495         std:;vector.  Add output_lists_ field.  Remove output_data_ and
496         output_bss_ fields.  Update declarations.
497
498 2010-08-02  Ian Lance Taylor  <iant@google.com>
499
500         * arm.cc (Target_arm::gc_process_relocs): Use typename.
501         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
502         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
503
504 2010-08-02  Ian Lance Taylor  <iant@google.com>
505
506         PR 11855
507         * script.cc (Script_options::Script_options): Initialize
508         symbol_definitions_ and symbol_references_.
509         (Script_options::add_symbol_assignment): Update
510         symbol_definitions_ and symbol_references_.
511         (Script_options::add_symbol_reference): New function.
512         (script_symbol): New function.
513         * script.h (class Script_options): Add symbol_definitions_ and
514         symbol_references_ fields.
515         (Script_options::referenced_const_iterator): New type.
516         (Script_options::referenced_begin): New function.
517         (Script_options::referenced_end): New function.
518         (Script_options::is_referenced): New function.
519         (Script_options::any_unreferenced): New function.
520         * script-c.h (script_symbol): Declare.
521         * yyscript.y (exp): Call script_symbol.
522         * symtab.cc: Include "script.h".
523         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
524         Change all callers.  Check symbols referenced by scripts.
525         (Symbol_table::add_undefined_symbols_from_command_line): Add
526         layout parameter.  Change all callers.
527         (Symbol_table::do_add_undefined_symbols_from_command_line):
528         Likewise.  Break out loop body.  Check symbols referenced by
529         scripts.
530         (Symbol_table::add_undefined_symbol_from_command_line): New
531         function broken out of
532         do_add_undefined_symbols_from_command_line.
533         * symtab.h (class Symbol_table): Update declarations.
534         * archive.cc: Include "layout.h".
535         (Archive::should_include_member): Add layout parameter.  Change
536         all callers.  Check for symbol mentioned in expression.
537         * archive.h (class Archive): Update declaration.
538         * object.cc (Sized_relobj::do_should_include_member): Add layout
539         parameter.
540         * object.h (Object::should_include_member): Add layout parameter.
541         Change all callers.
542         (Object::do_should_include_member): Add layout parameter.
543         (class Sized_relobj): Update declaration.
544         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
545         parameter.
546         * dynobj.h (class Sized_dynobj): Update declaration.
547         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
548         layout parameter.
549         * plugin.h (class Sized_pluginobj): Update declaration.
550
551 2010-08-02  Ian Lance Taylor  <iant@google.com>
552
553         PR 11866
554         * output.cc (Output_segment::set_offset): Search for the first and
555         last sections rather than assuming that the list is in order.
556         (Output_segment::find_first_and_last_list): New function.
557         * output.h (class Output_segment): Update declarations.
558         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
559         (relro_strip_test_SOURCES): New variable.
560         (relro_strip_test_DEPENDENCIES): New variable.
561         (relro_strip_test_LDFLAGS): New variable.
562         (relro_strip_test_LDADD): New variable.
563         (relro_strip_test.so): New target.
564
565 2010-08-02  Ian Lance Taylor  <iant@google.com>
566
567         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
568         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
569         (Target_i386::got_tlsdesc_section): New function.
570         (Target_i386::got_section): Create space for GOT entries for
571         TLSDESC relocations.
572         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
573         R_386_TLS_GOTDESC.
574         (Target_i386::Scan::global): Likewise.
575         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
576         using TLSDESC GOT.
577         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
578         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
579         (Target_x86_64::got_tlsdesc_section): New function.
580         (Target_x86_64::got_section): Create space for GOT entries for
581         TLSDESC relocations.
582         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
583         R_386_TLS_GOTDESC.
584         (Target_x86_64::Scan::global): Likewise.
585         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
586         using TLSDESC GOT.
587
588 2010-08-02  Ian Lance Taylor  <iant@google.com>
589
590         * testsuite/final_layout.sh: Use dc to convert from hex to
591         decimal.
592
593 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
594
595         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
596         paramter to the call to gold::gc_process_relocs.
597         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
598         paramter to the call to gold::gc_process_relocs.
599         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
600         parameter to the call to gold::gc_process_relocs.
601         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
602         template parameter to the call to gold::gc_process_relocs.
603         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
604         paramter to the call to gold::gc_process_relocs.
605         * gc.h (get_embedded_addend_size): New function.
606         (gc_process_relocs): Save the size of the reloc for use by ICF.
607         * icf.cc (get_section_contents): Get the addend from the text section
608         for SHT_REL relocation sections.
609         * icf.h (Icf::Reloc_addend_size_info): New typedef.
610         (Icf::Reloc_info): Add new member reloc_addend_size_info.
611         * int_encoding.h (read_from_pointer): New overloaded function.
612         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
613         * testsuite/icf_sht_rel_addend_test.sh: New file.
614         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
615         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
616
617 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
618
619         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
620         * Makefile.in: Regenerate.
621         * testsuite/Makefile.in: Regenerate.
622
623 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
624
625         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
626         * gold/testsuite/debug_msg.cc: Likewise.
627         * gold/testsuite/odr_violation1.cc
628         * gold/testsuite/odr_violation2.cc
629
630 2010-07-21  Cary Coutant  <ccoutant@google.com>
631
632         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
633         string, and length fields.
634         (Output_merge_string::Merged_strings_list): New type.
635         (Output_merge_string::Merged_strings_lists): New typedef.
636         (Output_merge_string): Replace merged_strings_ with
637         merged_strings_lists_.
638         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
639         Merged_strings_list per input object and section.  Don't store pointer
640         to the string.  Don't store length with each merged string entry.
641         (Output_merge_string::finalize_merged_data): Loop over list of merged
642         strings lists.  Recompute length of each merged string.
643
644 2010-07-15  Cary Coutant  <ccoutant@google.com>
645
646         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
647         here.
648
649 2010-07-14  Ian Lance Taylor  <iant@google.com>
650
651         * descriptors.cc (Descriptors::open): Report correct name in error
652         message.
653
654 2010-07-13  Doug Kwan  <dougkwan@google.com>
655
656         * arm.cc (Arm_input_section::Arm_input_section): For a
657         SHT_ARM_EXIDX section, always keeps the input sections.
658         (Arm_input_section::set_exidx_section_link): New method.
659         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
660         has_errors_ to false.
661         (Arm_exidx_input_section::has_errors,
662         Arm_exidx_input_section::set_has_errors): New methods.
663         (Arm_exidx_input_section::has_errors_): New data member.
664         (Arm_relobj::get_exidx_shndx_list): New method.
665         (Arm_output_section::append_text_sections_to_list): Do not skip
666         section without SHF_EXECINSTR.
667         (Arm_output_section::fix_exidx_coverage): Skip input sections with
668         errors.
669         (Arm_relobj::make_exidx_input_section): Add new parameter for text
670         section header.  Make error messages more verbose.  Check for
671         a non-executable section linked to an EXIDX section.
672         (Arm_relobj::do_read_symbols): Remove error checking, which has been
673         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
674         check that there is no deferred EXIDX section if we exit early.
675         Instead of not making an EXIDX section in case of an error, make one
676         and set the has_errors flag of it.
677         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
678         in a relocatable link.
679         (Target_arm::do_relax): Look for the EXIDX output section instead of
680         assuming that it is called .ARM.exidx.
681         (Target_arm::fix_exidx_coverage): Add a new parameter for input
682         section list.  Do not check for SHF_EXECINSTR section flags but
683         skip any input section with errors.
684         * output.cc (Output_section::Output_section): Initialize
685         always_keeps_input_sections_ to false.
686         (Output_section::add_input_section): Check for
687         always_keeps_input_sections_.
688         *  output.h (Output_section::always_keeps_input_sections,
689         Output_section::set_always_keeps_input_sections): New methods.
690         (Output_section::always_keeps_input_sections): New data member.
691
692 2010-07-13  Rafael Espindola  <espindola@google.com>
693
694         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
695         * fileread.h (Input_file): Add try_extra_search_path and find_file.
696
697 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
698             Ian Lance Taylor  <iant@google.com>
699
700         * output.h (Output_section_lookup_maps::add_merge_section):
701         Correct check of whether value was inserted.
702         (Output_section_lookup_maps::add_merge_input_section): Likewise.
703         (Output_section_lookup_maps::add_relaxed_input_section):
704         Likewise.
705         * arm.cc (Target_arm::got_section): Remove used local os.
706         * i386.cc (Target_i386::got_section): Likewise.
707         * x86_64.cc (Target_x86_64::got_section): Likewise.
708         * sparc.cc (Target_sparc::got_section): Likewise.
709         (Target_sparc::relocate): Remove unused local have_got_offset.
710         * powerpc.cc (Target_powerpc::relocate): Likewise.
711
712 2010-07-13  Ian Lance Taylor  <iant@google.com>
713
714         * compressed_output.cc (zlib_decompress): Fix signature in
715         !HAVE_ZLIB_H case.
716
717         * archive.cc (Archive::include_member): Unlock an external member
718         of a thin archive.  Don't bother to delete an object we know is
719         NULL.
720
721 2010-07-12  Cary Coutant  <ccoutant@google.com>
722
723         * compressed_output.cc (zlib_decompress): New function.
724         (get_uncompressed_size): New function.
725         (decompress_input_section): New function.
726         * compressed_output.h (get_uncompressed_size): New function.
727         (decompress_input_section): New function.
728         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
729         Handle compressed debug sections.
730         * layout.cc (is_compressed_debug_section): New function.
731         (Layout::output_section_name): Map compressed section names to
732         canonical names.
733         * layout.h (is_compressed_debug_section): New function.
734         (is_debug_info_section): Recognize compressed debug sections.
735         * merge.cc: Include compressed_output.h.
736         (Output_merge_data::do_add_input_section): Handle compressed
737         debug sections.
738         (Output_merge_string::do_add_input_section): Handle compressed
739         debug sections.
740         * object.cc: Include compressed_output.h.
741         (Sized_relobj::Sized_relobj): Initialize new data members.
742         (build_compressed_section_map): New function.
743         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
744         * object.h (Object::section_is_compressed): New method.
745         (Object::do_section_is_compressed): New method.
746         (Sized_relobj::Compressed_section_map): New type.
747         (Sized_relobj::do_section_is_compressed): New method.
748         (Sized_relobj::compressed_sections_): New data member.
749         * output.cc (Output_section::add_input_section): Handle compressed
750         debug sections.
751         * reloc.cc: Include compressed_output.h.
752         (Sized_relobj::write_sections): Handle compressed debug sections.
753
754 2010-07-08  Cary Coutant  <ccoutant@google.com>
755
756         * resolve.cc (Symbol_table::resolve): Remember whether undef was
757         weak when resolving to a dynamic def.
758         (Symbol_table::should_override): Add adjust_dyndef flag; set it
759         for weak undef/dynamic def cases. Adjust callers.
760         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
761         undef_binding_weak_.
762         (Symbol_table::sized_write_globals): Adjust symbol binding.
763         (Symbol_table::sized_write_symbol): Add binding parameter.
764         * symtab.h (Symbol::set_undef_binding): New method.
765         (Symbol::is_undef_binding_weak): New method.
766         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
767         (Symbol_table::should_override): Add new parameter.
768         (Symbol_table::sized_write_symbol): Add new parameter.
769
770         * testsuite/weak_undef_file1.cc: Add new test case.
771         * testsuite/weak_undef_file2.cc: Fix header comment.
772         * testsuite/weak_undef_test.cc: Add new test case.
773
774 2010-06-29  Doug Kwan  <dougkwan@google.com>
775
776         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
777         Initialize USE_SYMBOL_.
778         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
779         definition.
780         (Arm_reloc_property::uses_symbol_): New data member declaration.
781         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
782         uses symbol value and symbol is undefined but not weakly undefined.
783
784 2010-06-28  Rafael Espindola  <espindola@google.com>
785
786         * plugin.cc (Plugin::load): Use dlerror.
787
788 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
789
790         * symtab.cc (detect_odr_violations): When reporting an ODR
791         violation, report an object where the symbol is defined.
792
793 2010-06-25  Doug Kwan  <dougkwan@google.com>
794
795         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
796         (Target_arm::section_may_have_icf_unsafe_pointers): New method
797         definition.
798         (Target_arm::Scan::local_reloc_may_be_function_pointer,
799         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
800         target hook to detect function points.
801         (Target_arm::Scan::possible_function_pointer_reloc): New method.
802         * icf.h (Icf::check_section_for_function_pointers): Change type of
803         parameter SECTION_NAME to const reference to std::string.  Use
804         target hook to determine if section may have unsafe pointers.
805         * target.h (Target::section_may_have_icf_unsafe_pointers): New
806         method definition.
807
808 2010-06-21  Rafael Espindola  <espindola@google.com>
809
810         * fileread.cc (Input_file::find_fie): New
811         (Input_file::open): Use Input_file::find_fie.
812         * fileread.h (Input_file::find_fie): New
813         * plugin.cc (set_extra_library_path): New.
814         (Plugin::load): Add set_extra_library_path to the transfer vector.
815         (Plugin_manager::set_extra_library_path): New.
816         (Plugin_manager::add_input_file): Use the extra search path if set.
817         (set_extra_library_path(): New.
818         * plugin.h (Plugin_manager): Add set_extra_library_path and
819         extra_search_path_.
820
821 2010-06-19  Cary Coutant  <ccoutant@google.com>
822
823         * layout.cc (gdb_sections): Add .debug_types.
824         (lines_only_debug_sections): Likewise.
825
826 2010-06-18  Rafael Espindola  <espindola@google.com>
827
828         * plugin.cc (add_input_file,add_input_library)
829         (Plugin_manager::add_input_file): Make filename arguments const.
830         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
831         const.
832
833 2010-06-16  Doug Kwan  <dougkwan@google.com>
834
835         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
836         .ARM.attributes section if we have not merged any input
837         attributes sections.
838
839 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
840
841         * arm.cc: Allow combining objects with no EABI version
842         information.
843
844 2010-06-15  Rafael Espindola  <espindola@google.com>
845
846         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
847
848 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
849
850         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
851         (struct iovec): Correct !HAVE_READV definition.
852
853 2010-06-10  Cary Coutant  <ccoutant@google.com>
854
855         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
856         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
857         reloc sections.
858         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
859
860         PR 11683
861         * symtab.h (Symbol::is_placeholder): New member function.
862         * target-reloc.h (relocate_section): Check for placeholder symbols.
863
864         * testsuite/Makefile.am (plugin_test_8): New test.
865         (plugin_test_9): New test.
866         * testsuite/Makefile.in: Regenerate.
867
868 2010-06-09  Nick Clifton  <nickc@redhat.com>
869
870         * yyscript.y (input_list_element): Allow strings prefixed with
871         the '-' character.  Treat these as libraries.
872         * script.cc (script_add_library): New function.  Adds a library
873         specified by "-l<name>" found in an input script.
874         * script-c.h: Add prototype for script_add_library.
875
876 2010-06-07  Doug Kwan  <dougkwan@google.com>
877
878         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
879         Restrict stub-group size to be within long conditional branch
880         range when working around cortex-A8 erratum.
881
882 2010-06-07  Damien Diederen  <dd@crosstwine.com>
883
884         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
885         #ifdef typo.
886
887 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
888
889         PR gold/11658
890         * output.cc
891         (Output_section::Input_section_sort_entry::compare_section_ordering):
892         Change to return non-zero correctly.
893         (Output_section::Input_section_sort_section_order_index_compare
894         ::operator()): Change to fix ambiguity in comparisons.
895
896 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
897
898         * gold.h (is_wildcard_string): New function.
899         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
900         (Layout::layout_eh_frame): Ditto.
901         (Layout::find_section_order_index): New method.
902         (Layout::read_layout_from_file): New method.
903         * layout.h (Layout::find_section_order_index): New method.
904         (Layout::read_layout_from_file): New method.
905         (Layout::input_section_position_): New private member.
906         (Layout::input_section_glob_): New private member.
907         * main.cc (main): Call read_layout_from_file here.
908         * options.h (--section-ordering-file): New option.
909         * output.cc (Output_section::input_section_order_specified_): New
910         member.
911         (Output_section::Output_section): Initialize new member.
912         (Output_section::add_input_section): Add new parameter.
913         Keep input sections when --section-ordering-file is used.
914         (Output_section::set_final_data_size): Sort input sections when
915         section ordering file is specified.
916         (Output_section::Input_section_sort_entry): Add new parameter.
917         Check sorting type.
918         (Output_section::Input_section_sort_entry::compare_section_ordering):
919         New method.
920         (Output_section::Input_section_sort_compare::operator()): Change to
921         consider section_order_index.
922         (Output_section::Input_section_sort_init_fini_compare::operator()):
923         Change to consider section_order_index.
924         (Output_section::Input_section_sort_section_order_index_compare
925         ::operator()): New method.
926         (Output_section::sort_attached_input_sections): Change to sort
927         according to section order when specified.
928         (Output_section::add_input_section<32, true>): Add new parameter.
929         (Output_section::add_input_section<64, true>): Add new parameter.
930         (Output_section::add_input_section<32, false>): Add new parameter.
931         (Output_section::add_input_section<64, false>): Add new parameter.
932         * output.h (Output_section::add_input_section): Add new parameter.
933         (Output_section::input_section_order_specified): New
934         method.
935         (Output_section::set_input_section_order_specified): New method.
936         (Input_section::Input_section): Initialize section_order_index_.
937         (Input_section::section_order_index): New method.
938         (Input_section::set_section_order_index): New method.
939         (Input_section::section_order_index_): New member.
940         (Input_section::Input_section_sort_section_order_index_compare): New
941         struct.
942         (Output_section::input_section_order_specified_): New member.
943         * script-sections.cc (is_wildcard_string): Delete and move modified
944         method to gold.h.
945         (Output_section_element_input::Output_section_element_input): Modify
946         call to is_wildcard_string.
947         (Output_section_element_input::Input_section_pattern
948         ::Input_section_pattern): Ditto.
949         (Output_section_element_input::Output_section_element_input): Ditto.
950         * testsuite/Makefile.am (final_layout): New test case.
951         * testsuite/Makefile.in: Regenerate.
952         * testsuite/final_layout.cc: New file.
953         * testsuite/final_layout.sh: New file.
954
955 2010-06-01  Rafael Espindola  <espindola@google.com>
956
957         * plugin.cc (Plugin::load): Pass the output name to the plugin.
958
959 2010-06-01  Rafael Espindola  <espindola@google.com>
960
961         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
962         visibility of symbols.
963
964 2010-05-27  Doug Kwan  <dougkwan@google.com>
965
966         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
967         from start of output section instead of address for a local symbol
968         in a merged or relaxed section when doing a relocatable link.
969
970 2010-05-26  Rafael Espindola  <espindola@google.com>
971
972        PR 11604
973         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
974         adding sections the garbage collector removed.
975         * gold/testsuite/Makefile.am: Add test.
976         * gold/testsuite/Makefile.in: Regenerate.
977         * gold/testsuite/plugin_test_7.sh: New.
978         * gold/testsuite/plugin_test_7_1.c: New.
979         * gold/testsuite/plugin_test_7_2.c: New.
980
981 2010-05-26  Rafael Espindola  <espindola@google.com>
982
983         * script-sections.cc (Output_section_definition::set_section_addresses):
984         Check for --section-start.
985
986 2010-05-26  Doug Kwan  <dougkwan@google.com>
987
988         * arm.cc (Arm_scan_relocatable_relocs): New class.
989         (Target_arm::relocate_special_relocatable): New method.
990         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
991         (Arm_relocate_functions::thumb_branch_common): Same.
992         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
993         instead of Default_scan_relocatable_relocs.
994         * target-reloc.h (relocate_for_relocatable): Let target handle
995         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
996         * target.h (Sized_target::relocate_special_relocatable): New method.
997
998 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
999
1000         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1001
1002 2010-05-23  Doug Kwan  <dougkwan@google.com>
1003
1004         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1005         instead of a cast.
1006         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1007         with a direct branch, not a conditional branch, to a stub.
1008         * merge.cc (Output_merge_base::record_input_section): New method
1009         defintion.
1010         (Output_merge_data::do_add_input_section): Record input section if
1011         keeps-input-sections flag is set.
1012         (Output_merge_string::do_add_input_section): Ditto.
1013         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1014         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1015         INPUT_SECTIONS_.
1016         (Output_merge_base::keeps_input_sections,
1017         Output_merge_base::set_keeps_input_sections,
1018         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1019         method definitions.
1020         (Output_merge_base::Input_sections): New type declaration.
1021         (Output_merge_base::input_sections_begin,
1022         Output_merge_base::input_sections_end,
1023         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1024         (Output_merge_base::bool keeps_input_sections_,
1025         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1026         Output_merge_base::input_sections_): New data members.
1027         (Output_merge_data::do_set_keeps_input_sections): New method
1028         defintion.
1029         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1030         * output.cc (Output_section::Input_section::relobj): Move method
1031         defintion from class declaration to here and handle merge sections.
1032         (Output_section::Input_section::shndx): Ditto.
1033         (Output_section::Output_section): Remove initializations of removed
1034         data members and initialize new data member LOOKUP_MAPS_.
1035         (Output_section::add_input_section): Set keeps-input-sections flag
1036         for a newly created merge output section as appropriate.  Adjust code
1037         to use Output_section_lookup_maps class.
1038         (Output_section::add_relaxed_input_section): Adjst code for lookup
1039         maps code refactoring.
1040         (Output_section::add_merge_input_section): Add a new parameter
1041         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1042         class.  If adding input section to a newly created merge output
1043         section fails, remove the new merge section.
1044         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1045         Adjust code for use of the Output_section_lookup_maps class.
1046         (Output_section::find_merge_section): Ditto.
1047         (Output_section::build_lookup_maps): New method defintion.
1048         (Output_section::find_relaxed_input_section): Adjust code to use
1049         Output_section_lookup_maps class.
1050         (Output_section::get_input_sections): Export merge sections.  Adjust
1051         code to use Output_section_lookup_maps class.
1052         (Output_section:::add_script_input_section): Adjust code to use
1053         Output_section_lookup_maps class.  Update lookup maps for merge
1054         sections also.
1055         (Output_section::discard_states): Use Output_section_lookup_maps.
1056         (Output_section::restore_states): Same.
1057         * output.h (Merge_section_properties): Move class defintion out of
1058         Output_section.
1059         (Output_section_lookup_maps): New class.
1060         (Output_section::Input_section::is_merge_section): New method
1061         defintion.
1062         (Output_section::Input_section::relobj): Move defintion out of class
1063         defintion.  Declare method only.
1064         (Output_section::Input_section::shndx): Ditto.
1065         (Output_section::Input_section::output_merge_base): New method defintion.
1066         (Output_section::Input_section::u2_.pomb): New union field.
1067         (Output_section::Merge_section_by_properties_map,
1068         Output_section::Output_section_data_by_input_section_map,
1069         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1070         Remove types.
1071         (Output_section::add_merge_input_section): Add new parameter
1072         KEEPS_INPUT_SECTIONS.
1073         (Output_section::build_lookup_maps): New method declaration.
1074         (Output_section::merge_section_map_,
1075         Output_section::merge_section_by_properties_map_,
1076         Output_section::relaxed_input_section_map_,
1077         Output_section::is_relaxed_input_section_map_valid_): Remove data
1078         members.
1079         (Output_section::lookup_maps_): New data member.
1080
1081 2010-05-21  Doug Kwan  <dougkwan@google.com>
1082
1083         PR gold/11619
1084         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1085         avoid a compilation error.
1086
1087 2010-05-19  Rafael Espindola  <espindola@google.com>
1088
1089         * script-sections.cc (Output_section_definition::allocate_to_segment):
1090         Update the phdrs_list even when the output section is NULL.
1091         * testsuite/Makefile.am: Add test.
1092         * testsuite/Makefile.in: Regenerate.
1093         * testsuite/script_test_9.cc: New.
1094         * testsuite/script_test_9.sh: New.
1095         * testsuite/script_test_9.t: New.
1096
1097 2010-05-19  Doug Kwan  <dougkwan@google.com>
1098
1099         * arm.cc (Arm_input_section::original_size): New method.
1100         (Arm_input_section::do_addralign): Add a cast.
1101         (Arm_input_section::do_output_offset): Remove static cast.
1102         (Arm_input_section::original_addralign,
1103          Arm_input_section::original_size_): Change type to uint32_t.
1104         (Arm_input_section::init): Add safe casts for section alignment
1105         and size.
1106         (Arm_input_section::set_final_data_size): Do not set address and
1107         offset of stub table.
1108         (Arm_output_section::fix_exidx_coverage): Change use of of
1109         Output_section::Simple_input_section to that of
1110         Output_section::Input_section.
1111         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1112         except for the first pass.
1113         * output.cc (Output_section::get_input_sections): Change type of
1114         input_sections to std::list<Input_section>.
1115         (Output_section::add_script_input_section): Rename from
1116         Output_section::add_simple_input_section.  Change type of SIS
1117         parameter from Simple_input_section to Input_section.
1118         * output.h (Output_section::Simple_input_section): Remove class.
1119         (Output_section::Input_section): Change class visibility to public.
1120         (Output_section::Input_section::addralign): Use stored alignments
1121         for special input sections if set.
1122         (Output_section::Input_section::set_addralign): New method.
1123         (Output_section::get_input_sections): Change parameter type from
1124         list of Simple_input_section to list of Input_section.
1125         (Output_section::add_script_input_section): Rename from
1126         Output_section::add_simple_input_section. Change first parameter's
1127         type from Simple_input_section to Input_section and remove the
1128         second and third parameters.
1129         * script-sections.cc (Input_section::Input_section_list): Change
1130         type to list of Output_section::Input_section/
1131         (Input_section_info::Input_section_info): Change parameter type of
1132         INPUT_SECTION to Output_section::Input_section.
1133         (Input_section_info::input_section): Change return type.
1134         (Input_section_info::input_section_): Change type to
1135         Output_section::Input_section.
1136         (Output_section_element_input::set_section_addresses): Adjust code
1137         to use Output_section::Input_section instead of
1138         Output_section::Simple_input_section.  Adjust code for renaming
1139         of Output_section::add_simple_input_section.
1140         (Orphan_output_section::set_section_addresses): Ditto.
1141
1142 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1143
1144         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1145         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1146
1147 2010-05-18  Rafael Espindola  <espindola@google.com>
1148
1149         * options.cc (General_options::finalize): Handle -nostdlib.
1150         * options.h (nostdlib): New option.
1151         * script.cc (script_add_search_dir): Handle -nostdlib.
1152
1153 2010-05-12  Doug Kwan  <dougkwan@google.com>
1154
1155         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1156         attributes section only if there no attributes section after merging.
1157         (Target_arm::merge_object_attributes): Move value of
1158         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1159         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1160         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1161         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1162         and arm_attr_merge_7.stdout.
1163         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1164         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1165         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1166         arm_attr_merge_7b.o): New rules.
1167         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1168         arm_attr_merge_7
1169         * testsuite/Makefile.in: Regenerate.
1170         * testsuite/arm_attr_merge.sh: New file.
1171         * testsuite/arm_attr_merge_[67][ab].s: Same.
1172
1173 2010-05-05  Nick Clifton  <nickc@redhat.com>
1174
1175         * po/es.po: Updated Spanish translation.
1176
1177 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1178
1179         * Makefile.am (install-exec-local): Properly install gold as
1180         default cross linker.
1181         * Makefile.in: Regenerated.
1182
1183 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1184             Nick Clifton  <nickc@redhat.com>
1185
1186         * configure.ac (install_as_default): Define and set to false
1187         unless --enable-gold or --enable-gold=both/gold has been
1188         specified.
1189         * configure: Regenerate.
1190
1191         * Makefile.am (install-exec-local): Install the executable as
1192         'ld.gold'.  If install_as_default is true then also install it as
1193         'ld'.
1194         * Makefile.in: Regenerated.
1195
1196 2010-04-24  Ian Lance Taylor  <iant@google.com>
1197
1198         * layout.cc (Layout::layout_reloc): In relocatable link don't
1199         combine reloc sections for grouped sections.
1200
1201 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1202
1203         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1204         sections that are not ordinary to icf.
1205         * icf.cc (get_section_contents): Handle relocation pointing to section
1206         with no object or shndx information.
1207         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1208         * testsuite/Makefile.in: Regenerate.
1209         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1210         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1211
1212 2010-04-22  Ian Lance Taylor  <iant@google.com>
1213
1214         * expression.cc (Expression::Expression_eval_info): Add
1215         result_alignment_pointer field.
1216         (Expression::eval_with_dot): Add result_alignment_pointer
1217         parameter.  Change all callers.
1218         (Expression::eval_maybe_dot): Likewise.
1219         (class Binary_expression): Add alignment_pointer parameter to
1220         left_value and right_value.  Change all callers.
1221         (BINARY_EXPRESSION): Set result alignment.
1222         (class Trinary_expression): Add alignment_pointer parameter to
1223         arg2_value and arg3_value.  Change all callers.
1224         (Trinary_cond::value): Set result alignment.
1225         (Max_expression::value, Min_expression::value): Likewise.
1226         (Align_expression::value): Likewise.
1227         * script-sections.cc (class Sections_element): Add dot_alignment
1228         parameter to set_section_addresses virtual function.  Update
1229         instantiations.
1230         (class Output_section_element): Likewise.
1231         (Script_sections::create_segments): Add dot_alignment parameter.
1232         Change all callers.
1233         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1234         (Script_sections::set_phdrs_clause_addresses): Likewise.
1235         * script-sections.h: Update declarations.
1236         * script.h: Update declarations.
1237         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1238         min_p_align.
1239         * testsuite/script_test_3.t: Set large alignment.
1240         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1241         segment has expected alignment.
1242
1243 2010-04-22  Nick Clifton  <nickc@redhat.com>
1244
1245         * po/gold.pot: Updated by the Translation project.
1246         * po/vi.po: Updated Vietnamese translation.
1247
1248 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1249
1250         * testsuite/Makefile.am (check_PROGRAMS): Add
1251         icf_virtual_function_folding_test.
1252         * testsuite/Makefile.in: Regenerated.
1253
1254 2010-04-15  Andrew Haley  <aph@redhat.com>
1255
1256         * options.h (merge_exidx_entries): New option.
1257         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1258         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1259         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1260         (Target_arm::merge_exidx_entries): New function.
1261         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1262         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1263         to Arm_exidx_fixup constructor.
1264         Add new arg, merge_exidx_entries.
1265         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1266         Arm_output_section::fix_exidx_coverage.
1267
1268 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1269
1270         * icf.cc (get_section_contents): Check for preemptible functions.
1271         Ignore addend when appropriate.
1272         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1273         section folded.
1274         (add_from_relobj): Check for section folded.
1275         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1276         * symtab.h (should_add_dynsym_entry): Add new parameter.
1277         * target-reloc.h (scan_relocs): Check for section folded.
1278         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1279         Check reloc types for function pointers in shared objects.
1280         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1281         case.
1282         (icf_preemptible_functions_test): New test case.
1283         (icf_string_merge_test): New test case.
1284         * testsuite.Makefile.in: Regenerate.
1285         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1286         bar_glob.  Refactor code.
1287         * testsuite/icf_preemptible_functions_test.cc: New file.
1288         * testsuite/icf_preemptible_functions_test.sh: New file.
1289         * testsuite/icf_string_merge_test.cc: New file.
1290         * testsuite/icf_string_merge_test.sh: New file.
1291         * testsuite/icf_virtual_function_folding_test.cc: New file.
1292         * testsuite/icf_virtual_function_folding_test.sh: New file.
1293
1294 2010-04-14  Doug Kwan  <dougkwan@google.com>
1295
1296         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1297         for local symbol recounting if we remove a section due to ICF.
1298         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1299         there are no regular objects in input.
1300
1301 2010-04-13  Doug Kwan  <dougkwan@google.com>
1302
1303         * arm.cc (Arm_input_section::set_final_data_size): Compute
1304         accurate final data size instead of using current data size.
1305
1306 2010-04-09  Doug Kwan  <dougkwan@google.com>
1307
1308         * layout.cc (Layout::choose_output_section): Handle script section
1309         types.
1310         (Layout::make_output_section_for_script): Add section type parameter.
1311         Handle script section types.
1312         * layout.h (Layout::make_output_section_for_script): Add section
1313         type parameter.
1314         * output.cc (Output_section::Output_section): Initialize data member
1315         is_noload_.
1316         (Output_section::do_reset_address_and_file_offset): Do not set address
1317         to 0 if section is a NOLOAD section.
1318         * output.h (Output_section::is_noload): New method.
1319         (Output_section::set_is_noload): Ditto.
1320         (Output_section::is_noload_): New data member.
1321         * script-c.h (Script_section_type): New enum type.
1322         (struct Parser_output_section_header): Add new file section_type.
1323         * script-sections.cc (Sections_element::output_section_name): Add
1324         parameter for returning script section type.
1325         (Output_section_definition::output_section_name): Ditto.
1326         (Output_section_definition::section_type)P; New method.
1327         (Output_section_definiton::script_section_type_name): Ditto.
1328         (Output_section_definition::script_section_type_): New data member.
1329         (Output_section_definition::Output_section_definition): Initialize
1330         data member Output_section_definition::script_section_type_.
1331         (Output_section_definition::create_sections): Pass script section type
1332         to Layout::make_output_section_for_script.
1333         (Output_section_definition::output_section_name): Return script
1334         section type to caller.
1335         (Output_section_definition::set_section_address): Do not advance
1336         dot value and load address if section type is NOLOAD.  Set address
1337         of NOLOAD sections regardless of section flags.
1338         (Output_section_definition::print): Print section type if it is
1339         not SCRIPT_SECTION_TYPE_NONE.
1340         (Output_section_definition::section_type): New method.
1341         (Output_section_definition::script_section_type_name): Ditto.
1342         (Script_sections::output_section_name): Add new parameter
1343         PSECTION_TYPE for returning script section type.  Pass it to
1344         section elements.  Handle discard sections.
1345         (Sort_output_sections::operator()): Handle NOLOAD sections.
1346         * script-sections.h (Script_sections::Section_type): New enum type.
1347         (Script_sections::output_section_name): Add a new parameter for
1348         returning script section type.
1349         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1350         INFO and NOLOAD.
1351         * yyscript.y (union): Add new field SECTION_TYPE.
1352         (COPY, DSECT, INFO, NOLOAD): New tokens.
1353         (opt_address_and_section_type): Change type to output_section_header.
1354         (section_type): New non-terminal
1355         (section_header): Handle section type.
1356         (opt_address_and_section_type): Return section type value.
1357
1358 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1359
1360         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1361         * testsuite/plugin_common_test_2.c (foo): Likewise.
1362
1363 2010-04-08  Doug Kwan  <dougkwan@google.com>
1364
1365         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1366         Output_merge_data.
1367         * output.cc (Output_section::add_merge_input_section): Simplify
1368         code and return status of Output_merge_base::add_input_section.
1369         Update merge section map only if Output_merge_base::add_input_section
1370         returns true.
1371
1372 2010-04-07  Doug Kwan  <dougkwan@google.com>
1373
1374         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1375         if section is marked as containing instructions but has no mapping
1376         symbols.
1377         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1378         correct section index.
1379         (Arm_relobj::find_linked_text_section): Ditto.
1380
1381 2010-04-07  Cary Coutant  <ccoutant@google.com>
1382
1383         * archive.cc (include_member): Destroy Read_symbols_data object before
1384         releasing file.
1385         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1386         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1387         (Read_symbols_data::~Read_symbols_data) New destructor.
1388         (Section_relocs::Section_relocs) New constructor.
1389         (Section_relocs::~Section_relocs) New destructor.
1390         (Read_relocs_data::Read_relocs_data) New constructor.
1391         (Read_relocs_data::~Read_relocs_data) New destructor.
1392         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1393         pointers to NULL after deleting.
1394
1395 2010-04-07  Doug Kwan  <dougkwan@google.com>
1396
1397         * arm.cc: Replace "endianity" with "endianness" in comments.
1398         (Arm_exidx_cantunwind): Ditto.
1399         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1400         (Arm_relobj::merge_flags_and_attributes): New method.
1401         (Arm_relobj::merge_flags_and_attributes_): New data member.
1402         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1403         (Arm_relobj::scan_sections_for_stubs): Ditto.
1404         (Arm_relobj::do_read_symbols): Check to see if we really want to
1405         merge processor-specific flags and attributes.  Exit early if
1406         an object is empty except for section names and the undefined symbol.
1407         (Target_arm::do_finalize_sections): Move check for ELF format to
1408         Arm_relobj::do_read_symbols.  Merge processor specific flags and
1409         attributes from a regular object only when we have determined that
1410         it is aapropriate.  Do not create an .ARM.attributes section in
1411         output if there is no regular input object.
1412         (Target_arm::merge_processor_specific_flags): Check
1413         --warn-mismatch before printing any error.
1414         (Target_arm::merge_object_attributes): Ditto.
1415         * gold.cc (queue_middle_tasks): Handle the case in which there is
1416         no regular object in input.
1417         * options.cc (General_options::parse_EB): New method.
1418         (General_options::parse_EL): Same.
1419         (General_options::General_options): Initialize endianness_.
1420         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1421         New options.
1422         (General_options::Endianness): New enum.
1423         (General_options::endianness): New method.
1424         (General_options::endianness_): New data member.
1425         * parameters.cc (Parameters::set_options): Check target endianness.
1426         (Parameters::set_target_once): Ditto.
1427         (Parameters::check_target_endianness): New method.
1428         (parameters_force_valid_target): If either -EL or -EB is specified,
1429         use it to define endianness of default target.
1430         * parameters.h (Parameters::check_target_endianness): New method
1431         declaration.
1432         * target.h (class Target): Change "endianity" to "endianness"
1433         in comments.
1434
1435 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1436
1437         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1438         * configure: Regenerate.
1439         * Makefile.in: Regenerate.
1440         * testsuite/Makefile.in: Regenerate.
1441
1442 2010-04-06  Cary Coutant  <ccoutant@google.com>
1443
1444         gcc PR lto/42757
1445         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1446         prevailing definitions of common symbols.
1447         * testsuite/plugin_test_6.sh: New test case.
1448         * testsuite/plugin_common_test_1.c: New test case.
1449         * testsuite/plugin_common_test_2.c: New test case.
1450         * testsuite/Makefile.am (plugin_test_6): New test case.
1451         * testsuite/Makefile.in: Regenerate.
1452
1453 2010-04-06  Nick Clifton  <nickc@redhat.com>
1454
1455         * po/vi.po: New Vietnamese translation.
1456
1457 2010-03-30  Doug Kwan  <dougkwan@google.com>
1458
1459         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1460
1461 2010-03-25  Doug Kwan  <dougkwan@google.com>
1462
1463         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1464         to avoid a conversion warning on a 32-bit host.
1465
1466 2010-03-24  Ian Lance Taylor  <iant@google.com>
1467
1468         * testsuite/script_test_3.t: Add a TLS segment.
1469         * testsuite/Makefile.am (check_PROGRAMS): Add
1470         tls_phdrs_script_test.
1471         (tls_phdrs_script_test_SOURCES): Define.
1472         (tls_phdrs_script_test_DEPENDENCIES): Define.
1473         (tls_phdrs_script_test_LDFLAGS): Define.
1474         (tls_phdrs_script_test_LDADD): Define.
1475         * testsuite/Makefile.in: Rebuild.
1476
1477 2010-03-23  Cary Coutant  <ccoutant@google.com>
1478
1479         * fileread.cc (find_or_make_view): Fix comment.
1480
1481 2010-03-23  Ian Lance Taylor  <iant@google.com>
1482
1483         * script-sections.cc (class Orphan_section_placement): Define
1484         PLACE_TLS and PLACE_TLS_BSS.
1485         (Orphan_section_placement::Orphan_section_placement): Initialize
1486         new places.
1487         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1488         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1489         (tls_script_test_SOURCES): Define.
1490         (tls_script_test_DEPENDENCIES): Define.
1491         (tls_script_test_LDFLAGS): Define.
1492         (tls_script_test_LDADD): Define.
1493         * testsuite/Makefile.in: Rebuild.
1494
1495 2010-03-22  Doug Kwan  <dougkwan@google.com>
1496
1497         * arm.cc (Arm_relocate_functions::abs8,
1498         Arm_relocate_functions::abs16): Use correct check for overflow
1499         specified in the ARM ELF specs.
1500         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
1501         target of a BLX instruction specially.
1502         (Reloc_stub::stub_type_for_reloc): Ditto.
1503         (Relocate::relocate): Use symbolic names instead of numeric relocation
1504         codes to report error.
1505         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1506         workaround.
1507         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1508         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1509         thumb2_blx_out_of_range.stdout
1510         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1511         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1512         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1513         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1514         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1515         thumb2_blx_in_range, thumb2_blx_in_range.o,
1516         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1517         thumb2_blx_out_of_range.o): New rules.
1518         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1519         thumb2_blx_in_range and thumb2_blx_out_of_range.
1520         * testsuite/Makefile.in: Regenerate.
1521         * arm_branch_in_range.sh: Add tests for THUMB BLX.
1522         * testsuite/thumb_blx_in_range.s: New file.
1523         * testsuite/thumb_blx_out_of_range.s: New file.
1524
1525 2010-03-22  Rafael Espindola  <espindola@google.com>
1526
1527         * archive.cc (Should_include): Move to archive.h.
1528         (should_include_member): Make it a member of Archive.
1529         (Lib_group): New.
1530         (Add_lib_group_symbols): New.
1531         * archive.h: Include options.h.
1532         (Archive_member): Moved from Archive.
1533         (Should_include): Moved from archive.cc.
1534         (Lib_group): New.
1535         (Add_lib_group_symbols): New.
1536         * dynobj.cc (do_should_include_member): New.
1537         * dynobj.h (do_should_include_member): New.
1538         * gold.cc (queue_initial_tasks): Update call to queue.
1539         * main.cc (main): Print lib group stats.
1540         * object.cc (do_should_include_member): New.
1541         * object.h: Include archive.h.
1542         (Object::should_include_member): New.
1543         (Object::do_should_include_member): New.
1544         (Sized_relobj::do_should_include_member): New.
1545         * options.cc (General_options::parse_start_lib): New.
1546         (General_options::parse_end_lib): New.
1547         (Input_arguments::add_file): Handle lib groups.
1548         (Input_arguments::start_group): Check we are not in a lib.
1549         (Input_arguments::start_lib): New.
1550         (Input_arguments::end_lib): New.
1551         * options.h (General_options): Add start_lib and end_lib.
1552         (Input_argument::lib_): New.
1553         (Input_argument::lib): New.
1554         (Input_argument::is_lib): New.
1555         (Input_file_lib): New.
1556         (Input_arguments::in_lib_): New.
1557         (Input_arguments::in_lib): New.
1558         (Input_arguments::start_lib): New.
1559         (Input_arguments::end_lib_): New.
1560         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1561         in unused members as preempted.
1562         (Sized_pluginobj::do_should_include_member): New.
1563         * plugin.h (Sized_pluginobj::do_should_include_member): New.
1564         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1565         return the blocker.
1566         (Read_symbols::do_whole_lib_group): New.
1567         (Read_symbols::do_lib_group): New.
1568         (Read_symbols::do_read_symbols): Handle lib groups.
1569         (Read_symbols::get_name): Handle lib groups.
1570         * readsyms.h (Read_symbols): Add an archive member pointer.
1571         (Read_symbols::do_whole_lib_group): New.
1572         (Read_symbols::do_lib_group): New.
1573         (Read_symbols::member_): New.
1574         * script.cc (read_input_script): Update call to queue_soon.
1575
1576 2010-03-19  Doug Kwan  <dougkwan@google.com>
1577
1578         * arm.cc (Stub_table::Stub_table): Initialize new data members
1579         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1580         (Stub_table::add_reloc_stub): Assign stub offset and update
1581         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1582         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1583         New data members.
1584         (Stub_table::update_data_size_and_addralign): Use
1585         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1586         instead of going over all reloc stubs.
1587         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1588         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1589         Stringpool_template::offset_ to size of Stringpool_char.
1590         (Stringpool_template::new_key_offset): Remove code to initialize
1591         Stringpool_template::offset_.
1592         * stringpool.h (Stringpool_template::set_no_zero_null): Set
1593         Stringpool_template::offset_ to zero.
1594
1595 2010-03-15  Doug Kwan  <dougkwan@google.com>
1596
1597         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1598         offset_.
1599         (Stringpool_template::new_key_offset): New method.
1600         (Stringpool_template::add_string): Assign offsets when adding new
1601         strings.
1602         (Stringpool_template::set_string_offsets): Do not set string offsets
1603         when not optimizing.
1604         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1605         member size_.
1606         (Chunked_vector::clear): Clear size_.
1607         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1608         (Chunked_vector::size): Return size_.
1609         (Chunked_vector::push_back): Use size_ to find insert position.
1610         (Chunked_vector::size_): New data member.
1611         (Stringpool_template::set_no_zero_null): Assert string set is empty.
1612         (Stringpool_template::new_key_offset): New method declaration.
1613         (Stringpool_template::offset_): New data member.
1614
1615 2010-03-15   Rafael Espindola  <espindola@google.com>
1616
1617         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1618         Add_symbols' constructor.
1619         * readsyms.h (Add_symbols): Remove the input_group member.
1620
1621 2010-03-10  Ian Lance Taylor  <iant@google.com>
1622
1623         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1624         target to ask whether a reference to a symbol requires a stack
1625         split.
1626         * target.h (Target::is_call_to_non_split): New function.
1627         (Target::do_is_call_to_non_split): Declare virtual function.
1628         * target.cc: Include "symtab.h".
1629         (Target::do_is_call_to_non_split): New function.
1630         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1631
1632 2010-03-10  Cary Coutant  <ccoutant@google.com>
1633
1634         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
1635         (File_read::open[1]): Remove initial mapping of whole_file_view_.
1636         (File_read::open[2]): Add whole_file_view_ to list of views.
1637         (File_read::make_view): Remove test of whole_file_view_.
1638         (File_read::find_or_make_view): Create whole_file_view_ if
1639         necessary.
1640         (File_read::clear_views): Replace bool parameter with enum;
1641         adjust all callers.  Don't delete views with permanent data;
1642         do delete cached views and views from archives if
1643         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
1644         if clearing the corresponding view.
1645         * fileread.h (File_read::Clear_views_mode): New enum.
1646         (File_read::View::is_permanent_view): New method.
1647         (File_read::clear_views): Replace bool parameter
1648         with enum; adjust all callers.
1649         * options.h (General_options): Change keep_files_mapped option;
1650         add map_whole_files.
1651         * readsyms.cc (Add_symbols::run): Delete sd_ object before
1652         releasing the file.
1653         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1654         the file.
1655
1656 2010-03-10  David S. Miller  <davem@davemloft.net>
1657
1658         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1659
1660 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
1661
1662         * icf.cc (get_section_contents): Add '@' marker after processing the
1663         merge reloc.
1664
1665 2010-03-08  Doug Kwan  <dougkwan@google.com>
1666
1667         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1668         due to a conversion warning.
1669         (Arm_relobj::update_output_local_symbol_count): Check for local
1670         symbol with unset output index.
1671
1672 2010-03-05  Ian Lance Taylor  <iant@google.com>
1673
1674         * options.h (class General_options): Add --spare-dynamic-tags.
1675         * output.cc (Output_data_dynamic::set_final_data_size): Implement
1676         --spare-dynamic-tags.
1677
1678 2010-03-05  Ian Lance Taylor  <iant@google.com>
1679
1680         * incremental.cc: Include "libiberty.h".
1681
1682 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1683
1684         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
1685         function, is_info_ member.
1686         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
1687         (Versions::Versions): Update caller.
1688         (Versions::define_base_version): Likewise.
1689         (Versions::add_def): Likewise.
1690
1691 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
1692
1693         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
1694         (Scan::possible_function_pointer_reloc): New function.
1695         (Scan::local_reloc_may_be_function_pointer): Change to call
1696         possible_function_pointer_reloc.
1697         (Scan::global_reloc_may_be_function_pointer): Ditto.
1698         * icf.h (Icf::check_section_for_function_pointers): Change to reject
1699         relocations in ".data.rel.ro._ZTV" section.
1700         * testsuite/icf_safe_so_test.sh: Change to pass i386.
1701         * testsuite/icf_safe_so_test.cc: Ditto.
1702         * testsuite/icf_safe_test.cc: Ditto.
1703         * testsuite/icf_safe_test.sh: Ditto.
1704
1705 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1706             Ian Lance Taylor  <iant@google.com>
1707
1708         * target-reloc.h (relocate_section): Check the symbol table index
1709         for -1U before setting the local symbol index.
1710         (scan_relocatable_relocs): If copying the relocation, record that
1711         the local symbol is required.
1712         * object.h (Symbol_value::is_output_symtab_index_set): New
1713         function.
1714         (Symbol_value::may_be_discarded_from_output_symtab): New
1715         function.
1716         (Symbol_value::has_output_symtab_entry): New function.
1717         (Symbol_value::needs_output_symtab_entry): Remove.
1718         (Symbol_value::output_symtab_index): Make sure the symbol index is
1719         set.
1720         (Symbol_value::set_output_symtab_index): Make sure the symbol
1721         index is not set.  Make sure the new index is valid.
1722         (Symbol_value::set_must_have_output_symtab_entry): New function.
1723         (Symbol_value::has_output_dynsym_entry): New function.
1724         (Symbol_value::set_output_dynsym_index): Make sure the new index
1725         is valid.
1726         (Sized_relobj::set_must_have_output_symtab_entry): New function.
1727         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
1728         local symbol if permitted.
1729         (Sized_relobj::do_finalize_local_symbols): Call
1730         is_output_symtab_index_set rather than needs_output_symtab_entry.
1731         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
1732         rather than needs_output_symtab_entry.  Call
1733         has_output_dynsym_entry rather than needs_output_dynsym_entry.
1734         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
1735         is_output_symtab_index_set rather than needs_output_symtab_entry.
1736         * testsuite/discard_locals_relocatable_test.c: New file.
1737         * testsuite/discard_locals_test.sh: Test -r.
1738         * testsuite/Makefile.am (check_DATA): Add
1739         discard_locals_relocatable_test1.syms,
1740         discard_local_relocatable_test2.syms.
1741         (MOSTLYCLEANFILES): Likewise.  Also add
1742         discard_locals_relocatable_test1.lout and
1743         discard_locals_relocatable_test2.out.
1744         (discard_locals_relocatable_test1.syms): New target.
1745         (discard_locals_relocatable_test.o): New target.
1746         (discard_locals_relocatable_test1.out): New target.
1747         (discard_locals_relocatable_test2.syms): New target.
1748         (discard_locals_relocatable_test2.out): New target.
1749         (various): Add missing ../ld-new dependencies.
1750         * testsuite/Makefile.in: Rebuild.
1751
1752 2010-03-03  Nick Clifton  <nickc@redhat.com>
1753
1754         * po/fi.po: New Finnish translation.
1755
1756 2010-03-01  Doug Kwan  <dougkwan@google.com>
1757
1758         * layout.cc (Layout::Layout): Force section types of .init_array*,
1759         .preinit_array* and .fini_array* sections.
1760         * output.cc (Output_section::Input_section_sort_entry::has_priority):
1761         Fix check of return value of std::string::find.().
1762         (Output_section::Input_section_sort_compare::operator()): Remove
1763         comment about .init_array.
1764         (Output_section::Input_section_sort_init_fini_compare::operator()):
1765         New method.
1766         (Output_section::sort_attached_input_sections): Handle .init_array
1767         and .fini_array specially.
1768         * output.h (Output_section::Inut_section_sort_compare): Update
1769         comment.
1770         (Output_section::Input_section_sort_init_fini_compare): New struct.
1771
1772 2010-02-26  Doug Kwan  <dougkwan@google.com>
1773
1774         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
1775         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
1776         * testsuite/debug_msg.sh: Avoid matching source line number for
1777         use of global variable undef_int.
1778
1779 2010-02-26  Doug Kwan  <dougkwan@google.com>
1780
1781         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
1782         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
1783         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
1784         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
1785         * options.cc (General_options::General_options): Initialize member
1786         fix_v4bx_.
1787         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
1788         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
1789         and rm_no_fix_v4bx.stdout
1790         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
1791         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1792         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1793         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1794         and arm_no_fix_v4bx.
1795         * Makefile.in: Regenerate.
1796         * testsuite/arm_fix_v4bx.s: New file.
1797         * testsuite/arm_fix_v4bx.sh: Ditto.
1798
1799 2010-02-24  Doug Kwan  <dougkwan@google.com>
1800
1801         * arm.cc (Target_arm::got_section): Make the .got section the first
1802         non RELRO section in the data segment.
1803         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1804         suffixes of section names.
1805
1806 2010-02-24  Doug Kwan  <dougkwan@google.com>
1807
1808         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1809         flags and attributes merging if an input file is a binary file.
1810         * fileread.cc (Input_file::open): Record format of original file.
1811         * fileread.h (Input_file::Format): New enum type.
1812         (Input_file::Input_file): Initialize data member format_.
1813         (Input_file::format): New method definition.
1814         (Input_file::format_):: New data member.
1815
1816 2010-02-24  Doug Kwan  <dougkwan@google.com>
1817
1818         * arm.cc (Arm_output_data_got): New class.
1819         (ARM_TCB_SIZE): New constant
1820         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1821         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1822         If user uses a script with a SECTIONS clause, issue only a warning
1823         for a misplaced EXIDX input section.  Otherwise, issue an error.
1824         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1825         garbage collection.
1826         (Target_arm::got_mode_index_entry): Handle static linking.
1827         (Target_arm::Scan::local): Ditto.
1828         (Target_arm::Scan::global): Ditto.
1829         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
1830         all incorrectly implemented relocations.
1831         (Target_arm::fix_exidx_coverage): Pass layout to
1832         Arm_output_section::fix_exidx_coverage.
1833         * layout.cc (Layout::section_name_mapping): Remove trailing dots
1834         from ".ARM.exidx." and ".ARM.extab.".
1835
1836 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1837
1838         * arm.cc (Target_arm::do_finalize_sections): Create attribute
1839         section if it does not already exist.
1840         * attributes.cc (Attributes_section_data::Attributes_section_data):
1841         Don't crash if size is zero.
1842
1843 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1844             Ian Lance Taylor  <iant@google.com>
1845
1846         * gold.cc (queue_middle_tasks): If no input files were opened,
1847         exit.
1848         * workqueue.h (Task_function::Task_function): Assert that there is
1849         a blocker.
1850
1851 2010-02-22  Doug Kwan  <dougkwan@google.com>
1852
1853         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1854         * icf.cc (get_section_contents): Cast snprintf arguments to long long
1855         types to avoid warnings due to different uint64_t implementations
1856         on different hosts.
1857
1858 2010-02-21  Doug Kwan  <dougkwan@google.com>
1859
1860         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1861         handling of the maximum backward branch offset.
1862         (Arm_relocate_functions::thumb_branch_common): Ditto.
1863         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1864         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1865         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1866         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1867         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1868         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1869         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1870         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1871         thumb_bl_out_of_range thumb_bl_out_of_range.o,
1872         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1873         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1874         thumb2_bl_out_of_range.o): New rules.
1875         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1876         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1877         thumb2_bl_out_of_range
1878         * testsuite/Makefile.in: Regenerate.
1879         * testsuite/arm_bl_in_range.s: New file.
1880         * testsuite/arm_bl_out_of_range.s: Ditto.
1881         * testsuite/arm_branch_in_range.sh: Ditto.
1882         * testsuite/arm_branch_range.t: Ditto.
1883         * testsuite/thumb2_branch_range.t: Ditto.
1884         * testsuite/thumb_bl_in_range.s: Ditto.
1885         * testsuite/thumb_bl_out_of_range.s: Ditto.
1886         * testsuite/thumb_branch_range.t: Ditto.
1887
1888 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
1889
1890         * gc.h (gc_process_relocs): Change vectors to point to the new list.
1891         Add reloc offset information.
1892         * icf.cc (get_section_contents): Change iterators to point to the new
1893         vectors. Add reloc offset information to the contents.
1894         * icf.h (Icf::Sections_reachable_info): New typedef.
1895         (Icf::Sections_reachable_list): New typedef.
1896         (Icf::Offset_info): New typedef.
1897         (Icf::Reloc_info): New struct typedef.
1898         (Icf::Reloc_info_list): New typedef.
1899         (Icf::symbol_reloc_list): Delete method.
1900         (Icf::addend_reloc_list): Delete method.
1901         (Icf::section_reloc_list): Delete method.
1902         (Icf::reloc_info_list): New method.
1903         (Icf::reloc_info_list_): New member.
1904
1905 2010-02-19  Doug Kwan  <dougkwan@google.com>
1906
1907         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1908         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1909         * arm.cc (Arm_relocation_functions): New forward declaration.
1910         (Target_arm::Target_arm): Initialize new data members
1911         got_mod_index_offset_ and tls_base_symbol_defined_.
1912         (Target_arm::Relocate::relocate_tls): New method.
1913         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1914          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1915         New methods.
1916         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1917         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1918         (Target_arm::got_mod_index_offset_,
1919         Target_arm::tls_base_symbol_defined_): New data members.
1920         (Target_arm::Scan::local, Target::Scan::global,
1921         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1922         relocations.
1923
1924 2010-02-18  Doug Kwan  <dougkwan@google.com>
1925
1926         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1927         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1928         text section as a parameter becuase some broken tools may not set
1929         the link in section header.
1930         (Target_arm::has_got_section): New method.
1931         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1932         without any mapping symbol as data only.  Remove warning.
1933         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1934         link in its section header, try to discover the link by inspecting the
1935         REL31 relocation at the beginning of the section.
1936         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1937         in error message.
1938         (Target_arm::Scan::global): Treat any reference to the symbol
1939         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1940
1941 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1942
1943         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1944         (Scan::global_reloc_may_be_function_pointer): New function.
1945         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1946         (Scan::global_reloc_may_be_function_pointer): New function.
1947         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1948         (Scan::global_reloc_may_be_function_pointer): New function.
1949         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1950         (Scan::global_reloc_may_be_function_pointer): New function.
1951         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1952         (Scan::global_reloc_may_be_function_pointer): New function.
1953         (Scan::possible_function_pointer_reloc): New function.
1954         (Target_x86_64::can_check_for_function_pointers): New function.
1955         * gc.h (gc_process_relocs): Scan relocation types to determine if
1956         function pointers were taken for targets that support it.
1957         * icf.cc (Icf::find_identical_sections): Include functions for
1958         folding in safe ICF whose pointer is not taken.
1959         * icf.h (Secn_fptr_taken_set): New typedef.
1960         (fptr_section_id_): New member.
1961         (section_has_function_pointers): New function.
1962         (set_section_has_function_pointers): New function.
1963         (check_section_for_function_pointers): New function.
1964         * options.h: Fix comment for safe ICF option.
1965         * target.h (can_check_for_function_pointers): New function.
1966         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1967         Modify icf_safe_test for X86-64.
1968         * testsuite/Makefile.in: Regenerate.
1969         * testsuite/icf_safe_so_test.cc: New file.
1970         * testsuite/icf_safe_so_test.sh: New file.
1971         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1972         (main): Change to take pointer to function kept_func_3.
1973         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1974         folding is done correctly for X86-64.
1975
1976 2010-02-12  David S. Miller  <davem@davemloft.net>
1977
1978         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1979         is_symbolless parameter.
1980         (Output_reloc<SHT_REL>::is_symbolless): New.
1981         (Output_reloc<SHT_REL>::is_symbolless_): New.
1982         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1983         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1984         (Output_reloc<SHT_RELA>::is_symbolless): New.
1985         (Output_data_reloc::add_global): Handle is_symbolless.
1986         (Output_data_reloc::add_global_relative): Likewise.
1987         (Output_data_reloc::add_local): Likewise.
1988         (Output_data_reloc::add_local_relative): Likewise.
1989         (Output_data_reloc::add_symbolless_global_addend): New.
1990         (Output_data_reloc::add_symbolless_local_addend): New.
1991         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1992         is_symbolless.
1993         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1994         instead of ->is_relative_
1995         (Output_reloc::write): Likewise.
1996         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1997         (Output_reloc::write_rel): Simplify.
1998
1999         * sparc.cc (Target_sparc::Scan::local): Use
2000         ->add_symbolless_local_addend as needed.
2001         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2002         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2003         based upon relocation offset.
2004
2005 2010-02-11  Doug Kwan  <dougkwan@google.com>
2006
2007         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2008         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2009         beginning of function.
2010         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2011         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2012         parameter is_32bit in calls to should_apply_static_reloc.
2013         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2014         (check_DATA): Add arm_abs_global.stdout.
2015         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2016         arm_abs_global.stdout): New rules.
2017         (MOSTLLYCLEANFILES): Add arm_abs_global
2018         * Makefile.in: Regenerate.
2019         * testsuite/arm_abs_global.s: New file.
2020         * testsuite/arm_abs_global.sh: Ditto.
2021         * testsuite/arm_abs_lib.s: Ditto.
2022
2023 2010-02-11  Ian Lance Taylor  <iant@google.com>
2024
2025         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2026         Read_relocs task.
2027         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2028         Allocate_commons_task first.
2029         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2030         task, rather than symtab_lock_.
2031         (Gc_process_relocs::~Gc_process_relocs): New function.
2032         (Gc_process_relocs::is_runnable): Check this_blocker_.
2033         (Gc_process_relocs::locks): Use next_blocker_ rather than
2034         blocker_.
2035         (Scan_relocs::~Scan_relocs): New function.
2036         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2037         symtab_lock_.
2038         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2039         next_blocker_.
2040         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2041         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2042         constructor accordingly.
2043         (class Gc_process_relocs): Likewise.
2044         (class Scan_relocs): Likewise.
2045         * common.h (class Allocate_commons_task): Remove symtab_lock_
2046         field, and corresponding constructor parameter.
2047         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2048         symtab_lock_.
2049         (Allocate_commons_task::locks): Likewise.
2050
2051 2010-02-11  Ian Lance Taylor  <iant@google.com>
2052
2053         * gold-threads.h (class Once): Define.
2054         (class Initialize_lock): Rewrite as child of Once.
2055         * gold-threads.cc (class Once_initialize): Define.
2056         (once_pointer_control): New static variable.
2057         (once_pointer, once_arg): New static variables.
2058         (c_run_once): New static function.
2059         (Once::Once, Once::run_once, Once::internal_run): New functions.
2060         (class Initialize_lock_once): Remove.
2061         (initialize_lock_control): Remove.
2062         (initialize_lock_pointer): Remove.
2063         (initialize_lock_once): Remove.
2064         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2065         (Initialize_lock::initialize): Rewrite.
2066         (Initialize_lock::do_run_once): New function.
2067         * archive.cc (Archive::interpret_header): Only clear name if it is
2068         not already empty.
2069         * fileread.cc: Include "gold-threads.h"
2070         (file_counts_lock): New static variable.
2071         (file_counts_initialize_lock): Likewise.
2072         (File_read::release): Only increment counts when using --stats.
2073         Use a lock around the increment.
2074         * parameters.cc (class Set_parameters_target_once): Define.
2075         (set_parameters_target_once): New static variable.
2076         (Parameters::Parameters): Move here from parameters.h.
2077         (Parameters::set_target): Rewrite.
2078         (Parameters::set_target_once): New function.
2079         (Parameters::clear_target): Move here and rewrite.
2080         * parameters.h (class Parameters): Update declarations.  Add
2081         set_parameters_target_once_ field.
2082         (Parameters::Parameters): Move to parameters.cc.
2083         (Parameters::clear_target): Likewise.
2084         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2085         task.
2086         (Start_group::~Start_group): New function.
2087         (Start_group::is_runnable): New function.
2088         (Start_group::locks, Start_group::run): New functions.
2089         (Finish_group::run): Change saw_undefined to size_t.
2090         * readsyms.h (class Start_group): Define.
2091         (class Finish_group): Change saw_undefined_ field to size_t.
2092         (Finish_group::Finish_group): Remove saw_undefined and
2093         this_blocker parameters.  Change all callers.
2094         (Finish_group::set_saw_undefined): New function.
2095         (Finish_group::set_blocker): New function.
2096         * symtab.h (class Symbol_table): Change saw_undefined to return
2097         size_t.  Change saw_undefined_ field to size_t.
2098         * target-select.cc (Set_target_once::do_run_once): New function.
2099         (Target_selector::Target_selector): Initialize set_target_once_
2100         field.  Don't initialize lock_ and initialize_lock_ fields.
2101         (Target_selector::instantiate_target): Rewrite.
2102         (Target_selector::set_target): New function.
2103         * target-select.h (class Set_target_once): Define.
2104         (class Target_selector): Update declarations.  Make
2105         Set_target_once a friend.  Remove lock_ and initialize_lock_
2106         fields.  Add set_target_once_ field.
2107
2108 2010-02-10  Ian Lance Taylor  <iant@google.com>
2109
2110         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2111         queueing any tasks.
2112         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2113         (queue_middle_tasks): Add all blockers before queueing any tasks.
2114         (queue_final_tasks): Likewise.
2115         * token.h (Task_token::add_blockers): New function.
2116         * object.h (Input_objects::number_of_relobjs): New function.
2117
2118 2010-02-10  Ian Lance Taylor  <iant@google.com>
2119
2120         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2121         shared, not if not position independent.
2122         * x86_64.cc (Relocate::relocate_tls): Likewise.
2123         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2124         (tls_pie_pic_test): New target.
2125         * testsuite/Makefile.in: Rebuild.
2126
2127         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2128         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2129         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2130         * testsuite/Makefile.in: Rebuild.
2131
2132 2010-02-09  David S. Miller  <davem@davemloft.net>
2133
2134         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2135         R_SPARC_RELATIVE using ->add_local_relative().
2136         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2137
2138         * output.h (Output_data_dynamic::add_section_size): New method
2139         that takes two Output_data objects.
2140         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2141         entry param.  Handle it in initializers.
2142         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2143         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2144         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2145         arg.
2146         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2147         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2148         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2149         for dynrel_includes_plt.
2150         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2151         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2152         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2153         before .rela.plt
2154         (Target_sparc::do_finalize_sections): Update to pass true for
2155         dynrel_includes_plt.
2156         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2157         output before .rela.plt
2158         (Target_powerpc::do_finalize_sections): Update to pass true for
2159         dynrel_includes_plt when 32-bit.
2160
2161 2010-02-08  Doug Kwan  <dougkwan@google.com>
2162
2163         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2164         method.
2165         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2166         Arm_relobj::scan_section_for_cortex_a8_stubs,
2167         Arm_relobj::do_relocation_section): Instead of calling
2168         Output_section::output_address, use faster
2169         Arm_relobj::simple_input_section_output_address.
2170
2171 2010-02-08  David S. Miller  <davem@davemloft.net>
2172
2173         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2174         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2175         relocation helper function.
2176
2177         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2178         just like R_SPARC_GOT{10,13,22}.
2179         (Target_sparc::Scan::local): Likewise.
2180         (Target_sparc::Relocate:relocate): Likewise.
2181
2182 2010-02-06  Ian Lance Taylor  <iant@google.com>
2183
2184         * configure.ac: Rewrite targetobjs duplicate removal code to use
2185         only shell constructs.
2186         * configure: Rebuild.
2187
2188 2010-02-05  Doug Kwan  <dougkwan@google.com>
2189
2190         PR 11247
2191         * arm.cc (Arm_relobj::section_is_scannable): New method.
2192         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2193         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2194
2195 2010-02-04  Doug Kwan  <dougkwan@google.com>
2196
2197         PR 11247
2198         * arm-reloc-property.cc (cstdio): Include.
2199         * configure.ac (targetobjs): Remove duplicates.
2200         * configure: Regenerate.
2201         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2202         big and little endian version for a given address size.
2203
2204 2010-02-03  Doug Kwan  <dougkwan@google.com>
2205
2206         * arm-reloc-property.cc
2207         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2208         definition.
2209         * arm-reloc-property.h
2210         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2211         New method definition.
2212         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2213         declaration.
2214         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2215         overflow to N.
2216         (GOT_PREL): Change implemented to Y.
2217         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2218         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2219         (Arm_relocate_functions::movw_abs_nc): Remove method.
2220         (Arm_relocate_functions::movt_abs): Ditto.
2221         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2222         (Arm_relocate_functions::thm_movt_abs): Ditto.
2223         (Arm_relocate_functions::movw_rel_nc): Ditto.
2224         (Arm_relocate_functions::movw_rel): Ditto.
2225         (Arm_relocate_functions::movt_rel): Ditto.
2226         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2227         (Arm_relocate_functions:thm_movw_rel): Ditto.
2228         (Arm_relocate_functions:thm_movt_rel): Ditto.
2229         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2230         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2231         New method definitions.
2232         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2233         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2234         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2235         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2236         (Target_arm::Relocate::relocate): Check for non-static or
2237         unimplemented relocation code and exit early.  Change calls to
2238         Target_arm::reloc_uses_thumb_bit and
2239         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2240         instead.  Refactor code to handle similar relocations to increase
2241         code sharing.  Remove check for unsupported relocation code in switch
2242         statement.
2243         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2244         relocation property table to find out size.  Change error message to
2245         print out the name of a relocation code instead of the numeric value.
2246         (Target_arm::scan_reloc_for_stub): Use relocation property table
2247         instead of calling Target_arm::reloc_uses_thumb_bit().
2248
2249 2010-02-02  Doug Kwan  <dougkwan@google.com>
2250
2251         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2252         types of relaxed input section.
2253
2254 2010-02-02  Doug Kwan  <dougkwan@google.com>
2255
2256         * Makefile.am (HFILES): Add arm-reloc-property.h.
2257         (DEFFILES): New.
2258         (TARGETSOURCES): Add arm-reloc-property.cc
2259         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2260         (libgold_a_SOURCES): $(DEFFILES)
2261         * Makefile.in: Regenerate.
2262         * arm-reloc-property.cc: New file.
2263         * arm-reloc-property.h: New file.
2264         * arm-reloc.def: New file.
2265         * arm.cc: Update comments.
2266         (arm-reloc-property.h): New included header.
2267         (arm_reloc_property_table): New global variable.
2268         (Target_arm::do_select_as_default_target): New method definition.
2269         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2270         arm-reloc-property to targ_extra_obj.
2271         * parameters.cc (set_parameters_target): Call
2272         Target::select_as_default_target().
2273         * target.h (Target::select_as_default_target): New method definition.
2274         (Target::do_select_as_default_target): Same.
2275
2276 2010-02-01  Doug Kwan  <dougkwan@google.com>
2277
2278         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2279         first_output_text_section_.
2280         (Arm_exidx_fixup::first_output_text_section): New method definition.
2281         (Arm_exidx_fixup::first_output_text_section_): New data member.
2282         (Arm_exidx_fixup::process_exidx_section): Record the first text
2283         output section seen.
2284         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2285         and entsize in output section header.
2286
2287 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2288
2289         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2290         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2291         (Arm_relocate_functions::thm_alu11): New Method.
2292         (Arm_relocate_functions::thm_pc8): New Method.
2293         (Arm_relocate_functions::thm_pc12): New Method.
2294         (Target_arm::Scan::local): Handle the relocations.
2295         (Target_arm::Scan::global): Likewise.
2296         (Target_arm::Relocate::relocate): Likewise.
2297         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2298
2299 2010-01-29  Doug Kwan  <dougkwan@google.com>
2300
2301         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2302         of relocation types as ld.
2303
2304 2010-01-29  Doug Kwan  <dougkwan@google.com>
2305
2306         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2307         to public.
2308         (Arm_relocate_functions::thumb_branch_common): Ditto.
2309         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2310         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2311         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2312         Arm_relocate_functions::jump24): Remove.
2313         (Target_arm::Relocate::relocate): Adjust code to call
2314         Arm_relocation_functions::arm_branch_common and
2315         Arm_relocation_functions::thumb_branch_common instead of their removed
2316         wrappers.  Merge switch-cases together to reduce source code size.
2317
2318 2010-01-29  Doug Kwan  <dougkwan@google.com>
2319
2320         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2321         output_local_symbol_count_needs_update_.
2322         (Arm_relobj::output_local_symbol_count_needs_update,
2323          Arm_relobj::set_output_local_symbol_count_needs_update,
2324          Arm_relobj::update_output_local_symbol_count): New methods.
2325         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2326         member.
2327         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2328         of pointed function as in a R_ARM_PREL31 relocation.
2329         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2330         for output local symbol count updating.
2331         (Target_arm::do_relax): Update output local symbol counts in objects
2332         if necessary.
2333         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2334
2335 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2336
2337         * arm.cc: Added support for the ARM relocations:
2338         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2339         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2340         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2341         movw_prel_nc).
2342         (Arm_relocate_functions::movw_rel): New method.
2343         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2344         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2345         thm_movw_prel_nc).
2346         (Arm_relocate_functions::thm_movw_rel): New method.
2347         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2348         thm_movt_prel).
2349         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2350         relocations.
2351         (Target_arm::Scan::global): Likewise.
2352         (Target_arm::Relocate::relocate): Likewise.
2353         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2354         Likewise.
2355
2356 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2357
2358         * arm.cc: Added support for ARM group relocations.
2359         (Target_arm::reloc_needs_sym_origin): New method.
2360         (Arm_relocate_functions::calc_grp_kn): New method.
2361         (Arm_relocate_functions::calc_grp_residual): New method.
2362         (Arm_relocate_functions::calc_grp_gn): New method.
2363         (Arm_relocate_functions::arm_grp_alu): New Method.
2364         (Arm_relocate_functions::arm_grp_ldr): New Method.
2365         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2366         (Arm_relocate_functions::arm_grp_ldc): New Method.
2367         (Target_arm::Scan::local): Handle the ARM group relocations.
2368         (Target_arm::Scan::global): Likewise.
2369         (Target_arm::Relocate::relocate): Likewise.
2370         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2371         Likewise.
2372
2373 2010-01-26  Doug Kwan  <dougkwan@google.com>
2374
2375         * arm.cc (set): Include.
2376         (class Arm_exidx_fixup): Change type of last_input_section_ to const
2377         pointer type.
2378         (Arm_output_section::Text_section_list): New type.
2379         (Arm_output_section::append_text_sections_to_list): New method.
2380         (Arm_output_section::fix_exidx_coverage): Ditto.
2381         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2382         (Arm_relobj::convert_input_section_to_relaxed_section): Use
2383         Relobj::set_section_offset() instead of
2384         Sized_relobj::invalidate_section_offset().
2385         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2386         parameter for section headers. Ignore relocation sections for
2387         unallocated sections and EXIDX sections.
2388         (Target_arm::fix_exidx_coverage): New method.
2389         (Target_arm::output_section_address_less_than): New type.
2390         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2391         linked text section instead of the EXIDX section.
2392         (Arm_output_section::create_stub_group): Add an assertion to check
2393         that this is not an EXIDX output section.
2394         (Arm_output_section::append_text_sections_to_list): New method.
2395         (Arm_output_section::fix_exidx_coverage): Ditto.
2396         (Arm_relobj::scan_sections_for_stubs): Adjust call to
2397         Arm_relobj::section_needs_reloc_stub_scanning.
2398         (Target_arm::do_relax): Fix EXIDX output section coverage in the
2399         first pass.
2400         (Target_arm::fix_exidx_coverage): New method.
2401         * object.h (Relobj::set_output_section): New method.
2402         (Sized_relobj::invalidate_section_offset): Remove method.
2403         (Sized_relobj::do_invalidate_section_offset): Remove method.
2404         (Sized_relobj::do_set_section_offset): Handle offset value -1.
2405
2406 2010-01-25  Doug Kwan  <dougkwan@google.com>
2407
2408         * arm.cc (Arm_exidx_merged_section::do_output_offset):
2409         Fix warning due to signed and unsigned comparison on a 32-bit host.
2410
2411 2010-01-22  Doug Kwan  <dougkwan@google.com>
2412
2413         * arm.cc (Target_arm::do_relax): Record an output section for section
2414         offset adjustment it contains any stub table that has changed.
2415         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2416         offsets in an output section if necessary.
2417         * output.cc (Output_section::Output_section): Initialize
2418         section_offsets_need_adjustments_.
2419         (Output_section::add_input_section_for_script): Renamed to
2420         Output_section::add_simple_input_section.
2421         (Output_section::save_states): Add a comment.
2422         (Output_section::discard_states): New method defintion.
2423         (Output_section::adjust_section_offsets): Same.
2424         * output.h (Output_section::add_input_section_for_script): Renamed to
2425         Output_section::add_simple_input_section.
2426         (Output_section::discard_states): New method declaration.
2427         (Output_section::adjust_section_offsets): Same.
2428         (Output_section::section_offsets_need_adjustment,
2429         Output_section::set_section_offsets_need_adjustment): New method
2430         definitions.
2431         (Output_section::section_offsets_need_adjustment_): New data member.
2432         * script-sections.cc
2433         (Output_section_element_input::set_section_address): Adjust code for
2434         renaming of Output_section::add_input_section_for_script.
2435         (Orphan_output_section::set_section_address): Same.
2436
2437 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2438
2439         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2440         Fix_v4bx enum values .
2441         * gold/options.h (General_options): New option definitions.
2442         (General_options::fix_v4bx): New method.
2443         (General_options::Fix_v4bx): New enum.
2444         * gold/options.cc (General_options::parse_fix_v4bx): New method.
2445         (General_options::parse_fix_v4bx_interworking): New method.
2446
2447 2010-01-22  Doug Kwan  <dougkwan@google.com>
2448
2449         * arm.cc (Arm_exidx_fixup): New class.
2450
2451 2010-01-21  Doug Kwan  <dougkwan@google.com>
2452
2453         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2454         classes.
2455         (Arm_exidx_section_offset_map): New type.
2456
2457 2010-01-21  Doug Kwan  <dougkwan@google.com>
2458
2459         * arm.cc (Arm_exidx_input_section): New class.
2460         (Arm_relobj::exidx_input_section_by_link,
2461         Arm_relobj::exidx_input_section_by_shndx,
2462         Arm_relobj::make_exidx_input_section): New methods.
2463         (read_arm_attributes_section): Remove.
2464         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2465         information about them.
2466         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2467         to here.
2468
2469 2010-01-20  Doug Kwan  <dougkwan@google.com>
2470
2471         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2472         Input_section_specifier to Section_id.
2473         (Target_arm::new_arm_input_section: Adjust code for change of key
2474         type.
2475         (Target_arm::find_arm_input_section): Ditto.
2476         * gc.h (object.h): Include for Section_id nand Section_id_hash.
2477         (Section_id): Remove.
2478         (Garbage_collection::Section_id_hash): Remove.
2479         * icf.h (object.h): Include for Section_id nand Section_id_hash.
2480         (Section_id): Remove.
2481         (Icf::Section_id_hash): Remove.
2482         * object.h (Section_id, Const_section_id, Section_id_hash,
2483         Const_section_id_hash): New type definitions.
2484         * output.cc (Output_section::add_relaxed_input_section): Change to
2485         use Const_section_id instead of Input_section_specifier as key type.
2486         (Output_section::add_merge_input_section): Ditto.
2487         (Output_section::build_relaxation_map): Change to use Section_id
2488         instead of Input_section_specifier as key type.
2489         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2490         Ditto.
2491         (Output_section::convert_input_sections_to_relaxed_sections): Change
2492         to use Const_section_id instead of Input_section_specifier as key type.
2493         (Output_section::find_merge_section): Ditto.
2494         (Output_section::find_relaxed_input_section): Ditto.
2495         * output.h (Input_section_specifier): Remove class.
2496         (Output_section::Output_section_data_by_input_section_map): Change
2497         key type to Const_section_id.
2498         (Output_section::Output_relaxed_input_section_by_input_section_map):
2499         Ditto.
2500         (Output_section::Relaxation_map): Change key type to Section_id.
2501
2502 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2503
2504         * gold/arm.cc: Added support for R_ARM_V4BX relocation
2505         (class Arm_v4bx_stub): New class.
2506         (DEF_STUBS): Updated definition to support v4_veneer_bx.
2507         (Stub_factory::make_arm_v4bx_stub): New method.
2508         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2509         (Stub_table::empty): Handle v4bx stubs.
2510         (Stub_table::add_arm_v4bx_stub): New method.
2511         (Stub_table::find_arm_v4bx_stub): New method.
2512         (Arm_relocate_functions::v4bx): New method.
2513         (Target_arm::fix_v4bx): New method.
2514         (Target_arm::Target_arm): Handle R_ARM_V4BX.
2515         (Stub_table::relocate_stubs): Likewise.
2516         (Stub_table::do_write): Likewise.
2517         (Stub_table::update_data_size_and_addralign): Likewise.
2518         (Stub_table::finalize_stubs):  Likewise.
2519         (Target_arm::Scan::local): Likewise.
2520         (Target_arm::Scan::global): Likewise.
2521         (Target_arm::do_finalize_sections): Likewise.
2522         (Target_arm::Relocate::relocate): Likewise.
2523         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2524         Likewise.
2525         (Target_arm::scan_reloc_for_stub): Likewise.
2526         (Target_arm::scan_reloc_section_for_stubs): Likewise.
2527
2528 2010-01-19  Ian Lance Taylor  <iant@google.com>
2529
2530         * output.cc (Output_section_headers::do_sized_write): Write large
2531         segment count to sh_info field.
2532         (Output_file_header::do_sized_write): For large segment count,
2533         write PN_XNUM to e_phnum field.
2534
2535 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2536
2537         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2538         (Arm_relocate_functions::thm_jump8): New function.
2539         (Arm_relocate_functions::thm_jump11): New function.
2540         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2541         R_ARM_THM_JUMP11.
2542         (Target_arm::Scan::global): Likewise.
2543         (Target_arm::Relocate::relocate): Likewise.
2544         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2545         Likewise.
2546
2547 2010-01-14  Doug Kwan  <dougkwan@google.com>
2548
2549         * arm.cc (map, utility): Include headers.
2550         (Target_arm::apply_cortex_a8_workaround): New method.
2551         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2552         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2553         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2554         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2555         the --[no-]fix-cortex-a8 command line options.
2556         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2557         (Target_arm::relocate_stub): Use addend in instruction template.
2558         * options.h (DEFINE_bool): Set the user-set flag.
2559         (General_options): Add --[no-]-fix-cortex options.
2560         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2561         : Update fast look-up map after conversion.
2562
2563 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
2564
2565         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2566         in the first pass of do_layout.
2567
2568 2010-01-13  Doug Kwan  <dougkwan@google.com>
2569
2570         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2571         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2572         apparent compiler problem of not folding static constant integral
2573         data members of elfcpp::Elf_sizes<32>.
2574
2575 2010-01-13  Doug Kwan  <dougkwan@google.com>
2576
2577         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2578         Arm_relobj::section_needs_cortex_a8_stub_scanning,
2579         Arm_relobj::scan_section_for_cortex_a8_erratum,
2580         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2581         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2582         sections to scan for relocation stubs into a new method
2583         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
2584         relocation and Cortex-A8 stub scanning.
2585         (Target_arm::do_relax): Force stubs to be after stubbed sections
2586         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
2587         the beginning of a new relaxation pass.  Update a comment.
2588         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2589
2590 2010-01-12  Ian Lance Taylor  <iant@google.com>
2591
2592         * target-reloc.h (visibility_error): New inline function.
2593         (relocate_section): Call visibility_error.
2594         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2595         (MOSTLYCLEANFILES): Likewise.
2596         (protected_4_pic.o, protected_3.err): New targets.
2597         * testsuite/protected_4.cc: New file.
2598
2599 2010-01-12  Doug Kwan  <dougkwan@google.com>
2600
2601         * arm.cc (Cortex_a8_reloc): New class.
2602         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2603         and cortex_a8_relocs_info_.
2604         (Target_arm::fix_cortex_a8): New method definition.
2605         (Target_arm::Cortex_a8_relocs_info): New type.
2606         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2607         New data member declarations.
2608         (Target_arm::scan_reloc_for_stub): Record information about
2609         relocations for THUMB branches that might be exempted from the
2610         Cortex-A8 workaround.
2611         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2612         at the beginning of a relaxation pass.
2613
2614 2010-01-12  Doug Kwan  <dougkwan@google.com>
2615
2616         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2617         (Arm_relobj::Mapping_symbol_position,
2618          Arm_reloj::Mapping_symbol_position_less,
2619          Arm_relobj::Mapping_symbols_info): New types.
2620         (Target_arm::is_mapping_symbol_name): New method definition.
2621         (Arm_relobj::do_count_local_symbols): Save information about mapping
2622         symbols.
2623
2624 2010-01-11  Doug Kwan  <dougkwan@google.com>
2625
2626         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2627         Arm_relocate_functions::thumb32_branch_upper,
2628         Arm_relocate_functions::thumb32_branch_lower,
2629         Arm_relocate_functions::thumb32_cond_branch_offset,
2630         Arm_relocate_functions::thumb32_cond_branch_upper,
2631         Arm_relocate_functions::thumb32_cond_branch_lower,
2632         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2633         branch offset encoding.
2634         (Arm_relocate_functions::thumb_branch_common): Use new branch
2635         offset encoding methods to avoid code duplication.
2636         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
2637         (Stub_addend_reader::operator()): Use new branch encoding method
2638         to avoid code duplication.
2639
2640 2010-01-11  Doug Kwan  <dougkwan@google.com>
2641
2642         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
2643         (Target_arm::do_finalize_sections): Define special EXIDX section
2644         symbols only if referenced.
2645         * gc.h (Garbage_collection::add_reference): New method.
2646         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
2647         code duplication.
2648
2649 2010-01-11  Ian Lance Taylor  <iant@google.com>
2650
2651         * script.cc (Version_script_info::build_expression_list_lookup):
2652         Change complaing about duplicate wildcard match from error to
2653         warning.
2654
2655         * script.cc (class Lazy_demangler): Recreate--revert part of patch
2656         of 2009-12-30.
2657         (Version_script_info::Version_script_info): Initialize globs_,
2658         default_version_, default_is_global_, and exact_.  Don't
2659         initialize globals_ or locals_.
2660         (Version_script_info::build_lookup_tables): Build local symbols
2661         first.
2662         (Version_script_info::unquote): New function.
2663         (Version_script_info::add_exact_match): New function.
2664         (Version_script_info::build_expression_list_lookup): Remove lookup
2665         parameter.  Add is_global parameter.  Change all callers.  Handle
2666         wildcard pattern specially.  Unquote pattern.  Call
2667         add_exact_match.
2668         (Version_script_info::get_name_to_match): New function.
2669         (Version_script_info::get_symbol_version): New function.
2670         (Version_script_info::get_symbol_version_helper): Remove.
2671         (Version_script_info::check_unmatched_names): Call unquote.
2672         * script.h (class Version_script_info): Change get_symbol_version
2673         to be non-inline and add is_global parameter; change all callers.
2674         Rewrite symbol_is_local.  Update declarations.  Define struct
2675         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
2676         Remove globals_ and locals_ members.  Add exact_, globs_,
2677         default_version_, is_global_.
2678         (Version_script_info::Glob): Remove pattern, add expression and
2679         is_global.  Update constructor.  Change all callers.
2680         * dynobj.cc (Versions::finalize): Mark the version symbol as the
2681         default version.
2682         (Versions::symbol_section_contents): If a symbol is undefined, or
2683         defined in a dynamic object, set the version index to
2684         VER_NDX_LOCAL.
2685         * symtab.cc (Symbol_table::add_from_relobj): Don't call
2686         symbol_is_local.
2687         (Symbol_table::add_from_pluginobj): Likewise.
2688         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
2689
2690 2010-01-11  Doug Kwan  <dougkwan@google.com>
2691
2692         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
2693         (incremental_dump_LDADD): Add linking option for libintl.
2694         * Makefile.in: Regenerate.
2695
2696 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
2697
2698         PR gold/11144
2699         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
2700         instead of -Ds.
2701         * testsuite/Makefile.in: Regenerated.
2702
2703 2010-01-10  Doug Kwan  <dougkwan@google.com>
2704
2705         * options.h (DEFINE_var): Use parentheses around argument varname__
2706         in macro body to avoid any unintended subsequent substitutions.
2707
2708 2010-01-10  Ian Lance Taylor  <iant@google.com>
2709
2710         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
2711         candidates before doing symbol resolution.
2712
2713         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
2714         ODR candidates if only one is weak.
2715
2716 2010-01-08  Ian Lance Taylor  <iant@google.com>
2717
2718         * script.cc (Version_script_info::build_expression_list_lookup):
2719         Don't warn about ambiguous version, just record the ambiguity.
2720         (Version_script_info::get_symbol_version_helper): Give error if
2721         version is ambiguous.
2722
2723 2010-01-08  Doug Kwan  <dougkwan@google.com>
2724
2725         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
2726           prev_data_size_ and prev_addralign_.  Remove initializer for
2727           deleted data member has_been_changed_.
2728           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
2729           to determine if the table is empty.
2730           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
2731           Remove.
2732           (Stub_table::add_reloc_stub): Define method in class definition
2733           instead of just declaring it there.
2734           (Stub_table::add_cortex_a8_stub): New method definition.
2735           (Stub_table::update_data_size_and_addralign): Ditto.
2736           (Stub_table::finalize_stubs): Ditto.
2737           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
2738           (Stub_table::do_addralign_): Return address alignment in the
2739           (Stub_table::do_reset_address_and_file_offset): Define method in
2740           class definition instead of declaring it there.  Set current data
2741           size to be the data size of the previous pass.
2742           (Stub_table::set_final_data_size): Use current data size as the
2743           final data size.
2744           (Stub_table::relocate_stub): Change parameter type of stub from
2745           Reloc_stub pointer to Stub pointer.
2746           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
2747           (Stub_table::Cortex_a8_stub_list): New typedef.
2748           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
2749            Stub_table::prev_addralign_): New data member.
2750           (Arm_relobj::Arm_relobj): Initialize data member
2751           section_has_cortex_a8_workaround_.
2752           (Arm_relobj::section_has_cortex_a8_workaround,
2753            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
2754            definitions.
2755           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
2756           declarations.
2757           (Target_arm::relocate_stub): Change parameter type of stub from
2758           Reloc_stub pointer to Stub pointer.
2759           (Insn_template::size, Insn_template::alignment): Handle
2760           THUMB16_SPECIAL_TYPE.
2761           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
2762            Stub_table::update_data_size_and_addralign,
2763            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
2764           definitions.
2765           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
2766           (Stub_table::do_write): Ditto.
2767           (Target_arm::do_relax): Adjust code for changes in Stub_table.
2768
2769 2010-01-08  Ian Lance Taylor  <iant@google.com>
2770
2771         PR 11108
2772         * symtab.h (class Symbol): Remove fields is_target_special_ and
2773         has_plt_offset_.  Add field is_defined_in_discarded_section_.
2774         (Symbol::is_defined_in_discarded_section): New function.
2775         (Symbol::set_is_defined_in_discarded_section): New function.
2776         (Symbol::has_plt_offset): Rewrite.
2777         (Symbol::set_plt_offset): Verify that new offset is not -1U.
2778         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
2779         Don't initialize is_target_special_ or has_plt_offset_.
2780         Initialize is_defined_in_discarded_section_.
2781         (Symbol_table::add_from_relobj): If appropriate, set
2782         is_defined_in_discarded_section.
2783         * resolve.cc (Symbol::override_base_with_special): Don't test
2784         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
2785         * target-reloc.h (relocate_section): Do special handling for
2786         symbols defined in discarded sections for global symbols as well
2787         as local symbols.
2788
2789 2010-01-08  Ian Lance Taylor  <iant@google.com>
2790
2791         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2792         the SHT_SYMTAB case.
2793
2794 2010-01-08  Ian Lance Taylor  <iant@google.com>
2795
2796         * object.cc (Sized_relobj::do_layout): Don't get confused if
2797         layout_eh_frame returns NULL.
2798
2799 2010-01-08  Ian Lance Taylor  <iant@google.com>
2800
2801         PR 11084
2802         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2803         dynamic symbol table, use the normal symbol table.
2804         (Sized_dynobj::do_read_symbols): Remove assertion about type of
2805         symbol table.
2806
2807 2010-01-08  Ian Lance Taylor  <iant@google.com>
2808
2809         PR 11072
2810         * layout.cc (Layout::include_section): Remove .gnu_debuglink
2811         sections.
2812
2813 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
2814
2815         * version.cc (print_version): Change to "Copyright 2010".
2816
2817 2010-01-08  Ian Lance Taylor  <iant@google.com>
2818
2819         PR 10287
2820         PR 11063
2821         * i386.cc (class Target_i386): Change return type of plt_section
2822         to be non-const.
2823         (class Output_data_plt_i386): Add tls_desc_rel_ field.
2824         (Output_data_plt_i386::Output_data_plt_i386): Initialize
2825         tls_desc_rel_ field.
2826         (Output_data_plt_i386::rel_tls_desc): New function.
2827         (Target_i386::rel_tls_desc_section): New function.
2828         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2829         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2830         R_386_TLS_DESC reloc in rel_tls_desc_section.
2831         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2832         Define struct Tlsdesc_info.
2833         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2834         (Target_x86_64::do_reloc_symbol_index): New function.
2835         (Target_x86_64::add_tlsdesc_info): New function.
2836         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2837         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2838         tlsdesc_rel_ field.
2839         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
2840         all callers.
2841         (Output_data_plt_x86_64::rela_tlsdesc): New function.
2842         (Target_x86_64::rela_tlsdesc_section): New function.
2843         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2844         handling.
2845         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2846         (Target_x86_64::do_reloc_addend): New function.
2847         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2848         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2849         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
2850         (Output_reloc::type): New function.
2851         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2852         (Output_reloc::is_target_specific): New function.
2853         (Output_reloc::target_arg): New function.
2854         (class Output_reloc) [SHT_RELA]: Add four new constructors for
2855         absolute relocs and target specific relocs.
2856         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2857         add_target_specific.
2858         (class Output_data_reloc) [SHT_RELA]: Likewise.
2859         * output.cc (Output_reloc::Output_reloc): Add four new versions
2860         for absolute relocs and target specific relocs.
2861         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2862         (Output_reloc::get_symbol_index): Likewise.
2863         (Output_reloc::local_section_offset): Check that local_sym_index_
2864         is not TARGET_CODE or 0.
2865         (Output_reloc::symbol_value): Likewise.
2866         (Output_reloc::write) [SHT_RELA]: Call target for target specific
2867         reloc.
2868         * target.h (class Target): Add reloc_symbol_index and reloc_addend
2869         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
2870         functions.
2871         * layout.cc (add_target_dynamic_tags): Use output section for
2872         DT_PLTRELSZ and DT_JMPREL.
2873
2874 2010-01-07  Ian Lance Taylor  <iant@google.com>
2875
2876         PR 11061
2877         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2878         function.
2879         (class Output_data_reloc_generic): Define.
2880         (class Output_data_reloc_base): Change base class to
2881         Output_data_reloc_generic.  Change add() method to call
2882         bump_relative_reloc_count for a relative reloc.  Remove
2883         sort_relocs_ field.
2884         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2885         to sort_relocs().
2886         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2887         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
2888         appropriate.
2889         * layout.h (class Layout): Update declaration.
2890
2891 2010-01-07  Ian Lance Taylor  <iant@google.com>
2892
2893         * output.h (class Output_data): Add const version of
2894         output_section and do_output_section.
2895         (class Output_section_data): Add const version of
2896         do_output_section.
2897         (class Output_section): Likewise.
2898         * layout.cc (Layout::add_target_dynamic_tags): New function.
2899         * layout.h (class Layout): Update declarations.
2900         * arm.cc (Target_arm::do_finalize_sections): Use
2901         add_target_dynamic_tags.
2902         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2903         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2904         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2905         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2906
2907 2010-01-07  Ian Lance Taylor  <iant@google.com>
2908
2909         PR 11042
2910         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2911         object as needed.
2912
2913 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2914             Ian Lance Taylor  <iant@google.com>
2915
2916         PR 11019
2917         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2918         Xindex::read_symtab_xindex.
2919
2920 2010-01-07  Doug Kwan  <dougkwan@google.com>
2921
2922         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2923         (Insn_template::thumb16_bcond_insn): New method declaration.
2924         (Insn_template): Fix spelling.
2925         (Stub::thumb16_special): New method declaration.
2926         (Stub::do_write): Define virtual method which was previously pure
2927         virtual.
2928         (Stub::do_thumb16_special): New method declaration.
2929         (Stub::do_fixed_endian_write): New template member.
2930         (Reloc_stub::do_write): Remove.
2931         (Reloc_stub::do_fixed_endian_write): Remove.
2932         (Cortex_a8_stub): New class definition.
2933         (Stub_factory::make_cortex_a8_stub): New method definition.
2934         (Stub_factory::Stub_factory): Add missing static storage class
2935         qualifier for elf32_arm_stub_a8_veneer_blx.
2936
2937 2010-01-07  Ian Lance Taylor  <iant@google.com>
2938
2939         PR 10980
2940         * options.h (class General_options): Add --warn-unresolved-symbols
2941         and --error-unresolved-symbols.
2942         * errors.cc (Errors::undefined_symbol): Implement
2943         --warn-unresolved-symbols.
2944
2945         * options.h (class General_options): Add -z text and -z textoff.
2946         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2947
2948 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2949
2950         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2951         (Garbage_collection::cident_sections): New function.
2952         (Garbage_collection::add_cident_section): New function.
2953         (Garbage_collection::cident_sections_): New member.
2954         (gc_process_relocs): Add references to sections whose names are C
2955         identifiers.
2956         * gold.h (cident_section_start_prefix): New constant.
2957         (cident_section_stop_prefix): New constant.
2958         (is_cident): New function.
2959         * layout.cc (Layout::define_section_symbols): Replace string constants
2960         with the newly defined constants.
2961         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2962         C identifiers.
2963         * testsuite/Makefile.am: Add gc_orphan_section_test.
2964         * testsuite/Makefile.in: Regenerate.
2965         * testsuite/gc_orphan_section_test.cc: New file.
2966         * testsuite/gc_orphan_section_test.sh: New file.
2967
2968 2010-01-06  Ian Lance Taylor  <iant@google.com>
2969
2970         PR 10980
2971         * options.h (class General_options): Add --warn-shared-textrel.
2972         * layout.cc (Layout::finish_dynamic_section): Implement
2973         --warn-shared-textrel.
2974
2975         PR 10980
2976         * options.h (class General_options): Add --warn-multiple-gp.
2977
2978 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2979
2980         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2981         $(THREADSLIB) and $(LIBDL).
2982         * Makefile.in: Rebuild.
2983
2984 2010-01-06  Ian Lance Taylor  <iant@google.com>
2985
2986         PR 10980
2987         * options.cc (General_options::parse_section_start): New function.
2988         (General_options::section_start): New function.
2989         (General_options::General_options): Initialize all members.
2990         * options.h: Include <map>
2991         (class General_options): Add --section-start.  Add section_starts_
2992         member.
2993         * layout.cc (Layout::attach_allocated_section_to_segment): If
2994         --section-start was used, set the address of the segment.  Remove
2995         local sort_sections.
2996         (Layout::relaxation_loop_body): If the address of the load segment
2997         has been set by --section-start, don't use it.
2998         * output.h (Output_segment::update_flags_for_output_section): New
2999         function.
3000         * output.cc (Output_segment::add_output_section): Call
3001         update_flags_for_output_section.
3002
3003 2010-01-05  Ian Lance Taylor  <iant@google.com>
3004
3005         PR 10980
3006         * options.h (class General_options): Add --undefined-version.
3007         * script.cc (struct Version_expression): Add was_matched_by_symbol
3008         field.
3009         (Version_script_info::matched_symbol): New function.
3010         (Version_script_info::get_symbol_version_helper): Call
3011         matched_symbol.
3012         (Version_script_info::check_unmatched_names): New function.
3013         * script.h (class Version_script_info): Update declarations.
3014         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3015
3016         * options.h (class General_options): Use DEFINE_bool_alias for
3017         allow_multiple_definition.
3018         * resolve.cc (Symbol_table::should_override): Don't test
3019         allow_multiple_definition.
3020
3021         PR 10980
3022         * options.h (class General_options): Add --cref.
3023         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3024         until after printing cref table.
3025         * cref.cc: Include "symtab.h".
3026         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3027         (Cref_table_compare::operator()): New function.
3028         (Cref_inputs::gather_cref): New function.
3029         (filecol): New static const.
3030         (Cref_inputs::print_cref): New function.
3031         (Cref::print_cref): New function.
3032         * cref.h: Include <cstdio>.
3033         (class Cref): Update declarations.
3034         * mapfile.h (Mapfile::file): New function.
3035         * object.h (class Object): Define Symbols.  Declare virtual
3036         do_get_global_symbols.
3037         (Object::get_global_symbols): New function.
3038         * object.cc (Input_objects::add_object): Pass object to cref_ if
3039         --cref.
3040         (Input_objects::archive_start): Likewise.
3041         (Input_objects::archive_stop): Likewise.
3042         (Input_objects::print_cref): New function.
3043         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3044         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3045         --cref.
3046         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3047         function.
3048         * plugin.h (class Sized_pluginobj): Update declarations.
3049
3050 2010-01-05  Ian Lance Taylor  <iant@google.com>
3051
3052         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3053         to is_default_version.  Rename insdef to insdefault.
3054         (Symbol_table::add_from_relobj): Rename def to is_default_version
3055         and local to is_forced_local.
3056         (Symbol_table::add_from_pluginobj): Likewise.
3057         (Symbol_table::add_from_dynobj): Likewise.
3058         (Symbol_table::define_special_symbol): Rename insdef to
3059         insdefault.
3060
3061 2010-01-04  Ian Lance Taylor  <iant@google.com>
3062
3063         PR 10980
3064         * options.h (class General_options): Add
3065         --allow-multiple-definition and -z muldefs.
3066         * resolve.cc (Symbol_table::should_override): Don't warn about a
3067         multiple symbol definition if --allow-multiple-definition or -z
3068         muldefs.
3069
3070         PR 10980
3071         * options.h (class General_options): Add --add-needed and
3072         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3073         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3074         error if --copy-dt-needed-entries aka --add-needed is used and
3075         would cause a change in behaviour.
3076
3077         PR 10980
3078         * options.h (class General_options): Add -G as a short version of
3079         --shared.  Add no-op options -assert, -g, and -i.
3080
3081 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3082
3083         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3084         check for .text or .gnu.linkonce.t sections.
3085         * icf.cc (Icf::find_identical_sections): Ditto.
3086         Change the detection for mangled function name within the section
3087         name.
3088         * icf.h (is_section_foldable_candidate): New function.
3089
3090 2009-12-30  Ian Lance Taylor  <iant@google.com>
3091
3092         PR 10980
3093         * options.h (class General_options): Permit two dashes with
3094         --retain-symbols-file.
3095
3096 2009-12-30  Ian Lance Taylor  <iant@google.com>
3097
3098         PR 10979
3099         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3100         don't put the file header and segment headers in the text
3101         segment.
3102
3103         PR 10979
3104         * common.cc (Sort_commons::operator()): Stabilize sort when both
3105         entries are NULL.
3106         (Symbol_table::do_allocate_commons_list): When allocating common
3107         symbols, skip a symbol which is no longer common.
3108         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3109         an object before checking its type.
3110         * testsuite/common_test_2.c: New file.
3111         * testsuite/common_test_3.c: New file.
3112         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3113         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3114         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3115         (common_test_2_pic.o, common_test_2.so): New targets.
3116         (common_test_3_pic.o, common_test_3.so): New targets.
3117         * testsuite/Makefile.in: Rebuild.
3118
3119         PR 10979
3120         * script.cc (read_input_script): If we see a new SECTIONS clause,
3121         and we have added an input section, give an error.
3122         * layout.h (class Layout): Add have_added_input_section function.
3123         Add have_added_input_section_ field.
3124         * layout.cc (Layout::Layout): Initialize
3125         have_added_input_section_.
3126         (Layout::layout): Set have_added_input_section_.
3127         (Layout::layout_eh_frame): Likewise.
3128
3129 2009-12-30  Ian Lance Taylor  <iant@google.com>
3130
3131         PR 10931
3132         * options.h (class General_options): Add --sort-common option.
3133         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3134         * common.cc (Sort_common): Add sort_order parameter to
3135         constructor.  Add sort_order_ field.
3136         (Sort_commons::operator): Check sort_order_.
3137         (Symbol_table::allocate_commons): Determine the sort order.
3138         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3139         Change all callers.
3140         (Symbol_table::do_allocate_commons_list): Likewise.
3141
3142 2009-12-30  Ian Lance Taylor  <iant@google.com>
3143
3144         PR 10916
3145         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3146         symbols from this object, don't change the visibility of an
3147         undefined symbol.
3148         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3149
3150 2009-12-30  Ian Lance Taylor  <iant@google.com>
3151
3152         PR 10861
3153         * script.h (class Version_script_info): Define Language enum.
3154         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3155         new fields globals_, locals_, and is_finalized_.
3156         * script.cc: Various formatting fixes.
3157         (class Parser_closure): Change language_stack_ from a vector of
3158         std::string to one of Version_script_info::Language.  Adjust all
3159         uses accordingly.
3160         (class Lazy_demangler): Remove.
3161         (struct Version_expression): Change language from std::string to
3162         Version_script_info::Language.
3163         (Version_script_info::Version_script_info): New function.
3164         (Version_script_info::~Version_script_info): Don't call clear.
3165         (Version_script_info::finalize): New function.
3166         (Version_script_info::build_lookup_tables): New function.
3167         (Version_script_info::build_expression_list_lookup): New
3168         function.
3169         (Version_script_info::get_symbol_version_helper): Rewrite to use
3170         lookup tables.
3171         (Version_script_info::print_expression_list): Adjust to use
3172         Version_script_info::Language.
3173         (script_push_lex_into_version_mode): Check that the version script
3174         has not been finalized.
3175         (version_script_push_lang): Change language string to
3176         Version_script_info::Language.
3177         * options.cc (Command_line::version_script): New function.
3178         * options.h (class General_options): Add finalize_dynamic_list
3179         function.  Change version_script from declaration to definition.
3180         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3181         * testsuite/version_script.map: Remove duplicate def of foo.
3182         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3183         version_script.map.
3184         * testsuite/Makefile.in: Rebuild.
3185
3186 2009-12-30  Ian Lance Taylor  <iant@google.com>
3187
3188         PR 10843
3189         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3190         if the input symbol index is 0, make the output symbol index 0.
3191
3192 2009-12-30  Ian Lance Taylor  <iant@google.com>
3193
3194         PR 10670
3195         * options.h (class General_options): Add -x/--discard-all.
3196         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3197         --discard-all.  If the local symbol needs a dynamic entry, check
3198         that before handling --discard-locals.
3199
3200 2009-12-30  Ian Lance Taylor  <iant@google.com>
3201
3202         PR 10450
3203         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3204         flags to PF_R.
3205         (Output_segment::add_output_section): Don't change the flags if
3206         the type is PT_TLS.
3207
3208         PR 10450
3209         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3210         GNU hash table if they need a dynamic value.  Otherwise, don't add
3211         them if they are defined in a dynamic object or are forced local.
3212
3213 2009-12-29  Ian Lance Taylor  <iant@google.com>
3214
3215         PR 10450
3216         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3217         .gnu.hash table for a 32-bit target.
3218
3219         PR 10450
3220         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3221         regular and a dynamic object only needs a dynamic symbol table
3222         entry if it is externally visible.
3223
3224         PR 10450
3225         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3226         constructor.  Add global_offset_table_ field.
3227         (Target_i386::got_section): Set global_offset_table_.
3228         (Target_i386::do_finalize_sections): Set global_offset_table_
3229         size.
3230         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3231         in constructor.  Add global_offset_table_ field.
3232         (Target_x86_64::got_section): Set global_offset_table_.
3233         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3234         size.
3235
3236         * layout.cc (Layout::Layout): Initialize increase_relro_.
3237         (Layout::get_output_section): Add is_relro, is_last_relro, and
3238         is_first_non_relro parameters.  Change all callers.
3239         (Layout::choose_output_section): Likewise.
3240         (Layout::add_output_section_data): Likewise.
3241         (Layout::make_output_section): Likewise.
3242         (Layout::set_segment_offsets): Clear increase_relro when using a
3243         linker script.
3244         * layout.h (class Layout): Add increase_relro method.  Add
3245         increase_relro_ field.  Update declarations.
3246         * output.cc (Output_section::Output_section): Initialize
3247         is_last_relro_ and is_first_non_relro_.
3248         (Output_segment::add_output_section): Group relro sections is
3249         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3250         (Output_segment::maximum_alignment): Remove relro handling.
3251         (Output_segment::set_section_addresses): Add increase_relro
3252         parameter.  Change all callers.  Add initial alignment to align
3253         relro sections on separate page.  Remove old relro handling.
3254         (Output_segment::set_section_list_addresses): Remove in_relro
3255         parameter.  Change all callers.
3256         (Output_segment::set_offset): Add increase parameter.  Change all
3257         callers.  Remove old relro handling.
3258         * output.h (class Output_section): Add new methods: is_last_relro,
3259         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3260         Add is_last_relro_ and is_first_non_relro_ fields.
3261         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3262         Create separate .got.plt section.  Call increase_relro.
3263         * x86_64.cc (Target_x86_64::got_section): Likewise.
3264         * testsuite/relro_script_test.t: Add .got.plt.
3265
3266         PR 10450
3267         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3268         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3269         (Layout::finalize): Call set_dynamic_symbol_size.
3270         (Layout::set_dynamic_symbol_size): New function.
3271         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3272         set_dynamic_symbol_size.
3273
3274         PR 10450
3275         * output.h (class Output_section): Add is_entsize_zero_ field.
3276         * output.cc (Output_section::Output_section): Initialize
3277         is_entsize_zero_.
3278         (Output_section::set_entsize): If two different entsizes are
3279         requested, force it to zero.
3280         (Output_section::add_input_section): Set flags for .debug_str
3281         before updating section flags.  Set entsize.
3282         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3283         and SHF_STRING if all input sections have those flags.
3284
3285 2009-12-29   Rafael Espindola  <espindola@google.com>
3286
3287         * main.cc (main): Fix the sys time reporting.
3288         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3289         reporting.
3290
3291 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3292
3293         * options.cc (General_options::parse_version): Allow -v to exit
3294         without an error if there is nothing to link.
3295
3296 2009-12-29  Ian Lance Taylor  <iant@google.com>
3297
3298         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3299         using a version of gcc before 4.1.
3300         * configure: Rebuild.
3301
3302 2009-12-28  Chris Demetriou  <cgd@google.com>
3303
3304         * attributes.cc (Output_attributes_section_data::do_write): Use
3305         std::vector::front rather than std::vector::data.
3306
3307 2009-12-28  Ian Lance Taylor  <iant@google.com>
3308
3309         * symtab.h (class Symbol_table): Add enum Defined.
3310         * resolve.cc (Symbol_table::should_override): Add defined
3311         parameter.  Change all callers.  Test whether object is NULL
3312         before calling a method on it.
3313         (Symbol_table::report_resolve_problem): Add defined parameter.
3314         Change all callers.
3315         (Symbol_table::should_override_with_special): Likewise.
3316         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3317         parameter.  Change all callers.
3318         (Symbol_table::do_define_in_output_data): Likewise.
3319         (Symbol_table::define_in_output_segment): Likewise.
3320         (Symbol_table::do_define_in_output_segment): Likewise.
3321         (Symbol_table::define_as_constant): Likewise.
3322         (Symbol_table::do_define_as_constant): Likewise.
3323         * script.h (class Symbol_assignment): Add is_defsym parameter to
3324         constructor; change all callers.
3325         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3326         parameter.  Change all callers.  Add is_defsym_ field.
3327         (class Parser_closure): Add parsing_defsym parameter to
3328         constructor; change all callers.  Add parsing_defsym accessor
3329         function.  Add parsing_defsym_ field.
3330
3331 2009-12-28  Ian Lance Taylor  <iant@google.com>
3332
3333         * gold.cc (queue_middle_tasks): Fix formatting.
3334         * object.cc (Relobj::is_section_name_included): Likewise.
3335
3336 2009-12-23  Ian Lance Taylor  <iant@google.com>
3337
3338         * i386.cc (Target_i386::do_calls_non_split): Recognize
3339         -fsplit-stack prologue for a function with a static chain.
3340         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3341         -fsplit-stack prologue when using %r11.
3342
3343 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3344
3345         * options.cc (General_options::parse_version): Make -v continue and do
3346         the link like GNU ld does.
3347
3348 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3349
3350         * Makefile.am (CCFILES): Add timer.cc.
3351         (HFILES): Add timer.h.
3352         * configure.ac: Check for sysconf and times.
3353         * main.cc: include timer.h.
3354         (main): Use Timer instead of get_run_time.
3355         * timer.cc: New.
3356         * timer.h: New.
3357         * workqueue.cc: include timer.h.
3358         (Workqueue::find_and_run_task):
3359         Report user, sys and wall time.
3360         * Makefile.in: Regenerate.
3361         * config.in: Regenerate.
3362         * configure: Regenerate.
3363
3364 2009-12-16  Doug Kwan  <dougkwan@google.com>
3365
3366         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3367         sections.
3368         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3369         relaxed input sections.
3370         * output.cc (Output_section::find_relaxed_input_section): Change
3371         return type to Output_relaxed_input_section pointer.  Adjust code
3372         for new type of relaxed_input_section_map_.
3373         * output.h (Output_section::find_relaxed_input_section): Change
3374         return type to Output_relaxed_input_section pointer.
3375         (Output_section::Output_relaxed_input_section_by_input_section_map):
3376         New type.
3377         (Output_section::relaxed_input_section_map_): Change type to
3378         Output_section::Output_relaxed_input_section_by_input_section_map.
3379         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3380         input section.
3381
3382 2009-12-15  Ian Lance Taylor  <iant@google.com>
3383
3384         * layout.cc (Layout::create_shstrtab): Only write out after input
3385         sections if we are compressing debug sections.
3386
3387 2009-12-15  Ian Lance Taylor  <iant@google.com>
3388
3389         * archive.cc (Archive::add_symbols): Only look up a symbol without
3390         a version if there is, in fact, a version.
3391
3392 2009-12-14  Ian Lance Taylor  <iant@google.com>
3393
3394         Revert -Wshadow changes, all changes from:
3395         2009-12-11  Doug Kwan  <dougkwan@google.com>
3396         2009-12-11  Nick Clifton  <nickc@redhat.com>
3397         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3398
3399 2009-12-11  Doug Kwan  <dougkwan@google.com>
3400
3401         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3402         due to -Wshadow.
3403         * attributes.cc (Object_attribute::size): Ditto.
3404         (Attributes_section_data::size): Ditto.
3405         (Attributes_section_data::Attributes_section_data): Ditto.
3406         (Output_attributes_section_data::do_write): Ditto.
3407         * attributes.h (Object_attribute::set_type): Ditto.
3408         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3409
3410 2009-12-11  Nick Clifton  <nickc@redhat.com>
3411
3412         * archive.cc: Fix shadowed variable warnings.
3413         * arm.cc: Likewise.
3414         * compressed_output.cc: Likewise.
3415         * compressed_output.h: Likewise.
3416         * configure: Likewise.
3417         * dwarf_reader.cc: Likewise.
3418         * dynobj.cc: Likewise.
3419         * dynobj.h: Likewise.
3420         * ehframe.cc: Likewise.
3421         * ehframe.h: Likewise.
3422         * errors.cc: Likewise.
3423         * expression.cc: Likewise.
3424         * fileread.cc: Likewise.
3425         * fileread.h: Likewise.
3426         * freebsd.h: Likewise.
3427         * i386.cc: Likewise.
3428         * icf.cc: Likewise.
3429         * incremental.h: Likewise.
3430         * layout.cc: Likewise.
3431         * layout.h: Likewise.
3432         * mapfile.cc: Likewise.
3433         * merge.cc: Likewise.
3434         * merge.h: Likewise.
3435         * object.cc: Likewise.
3436         * object.h: Likewise.
3437         * options.h: Likewise.
3438         * output.cc: Likewise.
3439         * output.h: Likewise.
3440         * parameters.cc: Likewise.
3441         * plugin.cc: Likewise.
3442         * powerpc.cc: Likewise.
3443         * reduced_debug_output.cc: Likewise.
3444         * reduced_debug_output.h: Likewise.
3445         * reloc.cc: Likewise.
3446         * reloc.h: Likewise.
3447         * resolve.cc: Likewise.
3448         * script-sections.cc: Likewise.
3449         * script.cc: Likewise.
3450         * script.h: Likewise.
3451         * sparc.cc: Likewise.
3452         * symtab.cc: Likewise.
3453         * symtab.h: Likewise.
3454         * target-select.cc: Likewise.
3455         * target-select.h: Likewise.
3456         * token.h: Likewise.
3457         * workqueue.cc: Likewise.
3458         * workqueue.h: Likewise.
3459         * x86_64.cc: Likewise.
3460
3461 2009-12-10  Doug Kwan  <dougkwan@google.com>
3462
3463         * arm.cc (attributes.h): New include.
3464         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3465         (Arm_relobj::~Arm_relobj): Delete object pointed by
3466         attributes_section_data_.
3467         (Arm_relobj::attributes_section_data): New method definition.
3468         (Arm_relobj::attributes_section_data_): New data member declaration.
3469         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3470         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3471         attributes_section_data_.
3472         (Arm_dynobj::attributes_section_data): New method definition.
3473         (Arm_dynobj::attributes_section_data_): New data member declaration.
3474         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
3475         initialization value of may_use_blx_ to false.
3476         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3477         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3478         object attributes to compute results instead of hard-coding.
3479         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3480         Target_arm::get_secondary_compatible_arch,
3481         Target_arm::set_secondary_compatible_arch
3482         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3483         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3484         New method declarations.
3485         (Target_arm::get_aeabi_object_attribute): New method definition.
3486         (Target_arm::attributes_section_data_): New data member declaration.
3487         (read_arm_attributes_section): New template definition.
3488         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3489         (Arm_dynobj::do_read_symbols): Ditto.
3490         (Target_arm::do_finalize_sections): Merge attributes sections from
3491         input.  Check for BLX use after attributes section merging.
3492         Fix __exidx_start and __exidx_end visibility.  Create an
3493         .ARM.attributes section if necessary.
3494         (Target_arm::get_secondary_compatible_arch,
3495         Target_arm::set_secondary_compatible_arch,
3496         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3497         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3498         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3499         New method definitions.
3500
3501 2009-12-09  Ian Lance Taylor  <iant@google.com>
3502
3503         * plugin.cc (Plugin::load): Don't cast from void* to a function
3504         pointer.
3505
3506 2009-12-09  Ian Lance Taylor  <iant@google.com>
3507
3508         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3509         information fields.
3510
3511 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
3512
3513         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3514         Replace two_file_shared_1.so with two_file_shared_2.so.
3515         * testsuite/Makefile.in: Regenerated.
3516
3517 2009-12-08  Doug Kwan  <dougkwan@google.com>
3518
3519         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3520         (HFILES): Add attributes.h and int_encoding.h.
3521         * Makefile.in: Regenerate.
3522         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3523         function definitions to int_encoding.cc
3524         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3525         prototypes to int_encoding.h
3526         * reduced_debug_output.cc (int_encoding.h): New include.
3527         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3528         function definitions to int_encoding.cc
3529         (insert_into_vector, read_from_pointer): Move template definitions to
3530         int_encoding.h
3531         * attributes.cc: New file.
3532         * attributes.h: New file.
3533         * int_encoding.cc: New file.
3534         * int_encoding.h: New file.
3535
3536 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
3537
3538         PR gold/11055
3539         * incremental-dump.cc (dump_incremental_inputs): New.
3540         (main): Use dump_incremental_inputs.
3541
3542 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
3543
3544         PR gold/10893
3545         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3546         checking elfcpp::STT_FUNC.
3547         (Target_i386::Relocate::relocate): Likewise.
3548         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3549
3550         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3551         symbols from shared libraries into normal FUNC symbols.
3552
3553         * symtab.h (Symbol): Add is_func and use it.
3554
3555 2009-12-05  Doug Kwan  <dougkwan@google.com>
3556
3557         * arm.cc (Target_arm::arm_info): Initialize new fields
3558         attributes_section and attributes_vendor.
3559         * i386.cc (Target_i386::i386_info): Same.
3560         * object.cc (Sized_relobj::do_layout): Skip attribute section.
3561         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3562         fields attributes_section and attributes_vendor.
3563         * sparc.cc (Target_sparc::sparc_info): Same.
3564         * target.h (Target::attributes_section, Target::attributes_vendor,
3565         Target::is_attributes_section, Target::attribute_arg_type,
3566         Target::attributes_order): New method definitions.
3567         (Target::Target_info::attributes_section,
3568         Target::Target_info::attributes_vendor): New fields.
3569         (Target::do_attribute_arg_type, Target::do_attributes_order): New
3570         virtual method definitions.
3571         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3572         attributes_section and attributes_vendor.
3573         * testsuite/testfile.cc (Target_test::test_target_info): Same.
3574
3575 2009-12-05  Doug Kwan  <dougkwan@google.com>
3576
3577         * arm.cc: Update comments about interworking and stub generation.
3578         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3579         considered as non-PIC.
3580         (Arm_relocate_functions::base_abs): Fix formatting.
3581         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
3582         of function to use GOT entry address instead of offset.
3583         (Target_arm::Scan::global): Issue an error if a symbol would need a
3584         PLT does not get one because it is untyped.  Remove code to create
3585         dynamic symbols for relative branches.
3586         (Target_arm::Relocate::relocate: Use 0 instead of false since function
3587         takes unsigned integer instead of boolean.
3588
3589 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3590
3591         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3592         (two_file_test_LDADD): Likewise.
3593         (common_test_1_LDADD): Likewise.
3594         (exception_test_LDADD) Likewise.
3595         (weak_test_LDADD): Likewise.
3596         (many_sections_test_LDADD): Likewise.
3597         (initpri1_LDADD): Likewise.
3598         (script_test_1_LDADD): Likewise.
3599         (script_test_2_LDADD): Likewise.
3600         (justsyms_LDADD): Likewise.
3601         (binary_test_LDADD): Likewise.
3602         (large_LDADD): Likewise.
3603         * testsuite/Makefile.in: Regenerated.
3604
3605 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
3606
3607         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3608         (Symbol_table::override_with_special): Likewise.
3609         (Symbol_table::add_from_object): Likewise.
3610
3611 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3612
3613         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3614         Don't set the data_offset twice.
3615
3616 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3617
3618         * testsuite/Makefile.in: Regenerate.
3619
3620 2009-12-03  Doug Kwan  <dougkwan@google.com>
3621
3622         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3623         (Target_arm::do_finalize_sections): Add parameter for symbol table
3624         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
3625         * i386.cc (Target_i386::do_finalize_sections): Add an additional
3626         parameter for symbol table pointer.
3627         * layout.cc (Layout::finalize): Call Target::finalize_sections with
3628         an additional parameter for a pointer to symbol table.
3629         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3630         parameter for a symbol table pointer.
3631         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3632         * target.h (Target::finalize_sections, Target::do_finalize_sections):
3633         Ditto.
3634         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
3635         parameter for a symbol table pointer.
3636
3637 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
3638
3639         * incremental.cc (Incremental_inputs_header)
3640         (Incremental_inputs_header_write, Incremental_inputs_entry)
3641         (Incremental_inputs_entry_write): Move ...
3642         * incremental.h (Incremental_inputs_header)
3643         (Incremental_inputs_header_write, Incremental_inputs_entry)
3644         (Incremental_inputs_entry_write): here.
3645
3646 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3647
3648         * incremental.cc (make_sized_incremental_binary): Set the target.
3649         Error if it is incompatible.
3650         * output.h (Output_file): Add filename method.
3651
3652 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3653
3654         * incremental.cc (Incremental_inputs_entry): Remove unused argument
3655         from the get_* methods.
3656
3657 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3658
3659         * incremental-dump.cc (main): Check that the offeset of a script is 0.
3660         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3661         Write 0 for the data_offset of scripts.
3662
3663 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3664
3665         * testsuite/Makefile.am: Add the incremental_test.sh test.
3666         * testsuite/incremental_test.sh: New.
3667         * testsuite/incremental_test_1.c: New.
3668         * testsuite/incremental_test_2.c: New.
3669
3670 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
3671
3672        * incremental-dump.cc (main): Fix typos.
3673
3674 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
3675
3676         PR gold/11025
3677         * incremental-dump.cc (main): Use llu to print 64 bit values.
3678
3679 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
3680             H.J. Lu  <hongjiu.lu@intel.com>
3681
3682         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
3683         $(LIBDL).
3684         (incremental_dump_LDADD): Likewise.
3685         * Makefile.in: Regenerated.
3686
3687 2009-11-25  Doug Kwan  <dougkwan@google.com>
3688
3689         Revert:
3690
3691         2009-11-25  Doug Kwan  <dougkwan@google.com>
3692
3693                 * arm.cc (Target_arm::Target_arm): Move method definition
3694                 outside of class definition.  Add code to handle
3695                 --target1-rel, --target1-abs and --target2= options.
3696                 (Target_arm::get_reloc_reloc_type): Change method to be
3697                 non-static and const.
3698                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
3699                 New data member declaration.
3700                 (Target_arm::Scan::local, Target_arm::Scan::global,
3701                 Target_arm::Relocate::relocate,
3702                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3703                 Adjust call to Target_arm::get_real_reloc_type.
3704                 (Target_arm::get_real_reloc_type): Use command line options
3705                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3706                 * options.h (--target1-rel, --target1-abs, --target2): New
3707                 ARM-only options.
3708
3709 2009-11-25  Doug Kwan  <dougkwan@google.com>
3710
3711         * arm.cc (Target_arm::Target_arm): Move method definition outside of
3712         class definition.  Add code to handle --target1-rel, --target1-abs
3713         and --target2= options.
3714         (Target_arm::get_reloc_reloc_type): Change method to be non-static
3715         and const.
3716         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
3717         member declaration.
3718         (Target_arm::Scan::local, Target_arm::Scan::global,
3719         Target_arm::Relocate::relocate,
3720         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
3721         call to Target_arm::get_real_reloc_type.
3722         (Target_arm::get_real_reloc_type): Use command line options to
3723         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3724         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
3725         options.
3726
3727 2009-11-25  Doug Kwan  <dougkwan@google.com>
3728
3729         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
3730         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
3731         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
3732         formatting.
3733         (Arm_relocate_functions::thm_call): Replace body with a call to
3734         Arm_relocate_functions::thumb_branch_common.
3735         (Arm_relocate_functions::thm_jump24,
3736         Arm_relocate_functions::thm_xpc22): New method definitions.
3737         (Arm_relocate_functions::thumb_branch_common): New method definition.
3738         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
3739         operator.
3740         (Target_arm::Relocate::relocate): Adjust call to thm_call.
3741         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
3742
3743 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3744
3745         * Makefile.am: Build incremental-dump
3746         * Makefile.in: Regenerate.
3747         * incremental-dump.cc: New.
3748         * incremental.cc (Incremental_inputs_header_data,
3749         Incremental_inputs_entry_data): Move to incremental.h
3750         * incremental.h: (Incremental_inputs_header_data,
3751         Incremental_inputs_entry_data): Move from incremental.cc
3752
3753 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3754
3755         * incremental.cc (Incremental_inputs_header,
3756         Incremental_inputs_header_write, Incremental_inputs_entry,
3757         Incremental_inputs_entry_write): Add a typedef with the data type.
3758
3759 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
3760
3761         * incremental.cc (Incremental_inputs_header,
3762         Incremental_inputs_header_write, Incremental_inputs_entry,
3763         Incremental_inputs_entry_write): Update comment about which
3764         type has the filed descriptions.
3765
3766 2009-11-15  Doug Kwan  <dougkwan@google.com>
3767
3768         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
3769         (Arm_relocate_functions::arm_branch_common): Change method defintion
3770         in class definition to a method declaration and update list of formal
3771         parameters.
3772         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
3773         Arm_relocation_functions::jump24): Adjust call to
3774         Arm_relocate_functions::arm_branch_common.  Update list of formal
3775         parameters.
3776         (Arm_relocate_functions::xpc25): New method definition.
3777         (Arm_relocate_functions::arm_branch_common): Move method defintion
3778         out from class definition.  Use stubs for mode-switching and extending
3779         branch ranges.
3780         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
3781         specially.  Change code to enable use of stubs in ARM branches.
3782
3783 2009-11-10  Doug Kwan  <dougkwan@google.com>
3784
3785         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
3786         in method declaration.
3787         (Target_arm::relocate_stub): New method declaration.
3788         (Target_arm::default_target): Change to return a pointer instead of
3789         a const reference.
3790         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
3791         Target_arm::default_target.
3792         (Arm_Relobj::do_relocate_sections): Remove options paramater in
3793         method definition.
3794         (Target_arm::relocate_section): Adjust view.
3795         (Target_arm::relocate_stub): New method definition.
3796
3797 2009-11-10  Doug Kwan  <dougkwan@google.com>
3798
3799         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3800         a format warning.
3801         * incremental.cc (open_incremental_binary): Initialized local
3802         variables to avoid warnings.
3803         * object.cc (make_elf_object): Ditto.
3804         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3805         a format warning.
3806
3807 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
3808
3809         PR gold/10930
3810         * testsuite/plugin_test.c: Include "config.h".
3811
3812 2009-11-09  Doug Kwan  <dougkwan@google.com>
3813
3814         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3815         (arm_symbol_value): Remove.
3816         (Arm_relocate_functions::arm_branch_common,
3817         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3818         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3819         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3820         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3821         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3822         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3823         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3824         Arm_relocate_functions::thm_mobw_abs_nc,
3825         Arm_relocate_functions::thm_mov_abs,
3826         Arm_relocate_functions::movw_prel_nc,
3827         Arm_relocate_functions::thm_movt_abs,
3828         Arm_relocate_functions::movt_prel,
3829         Arm_relocate_functions::thm_movw_prel_nc,
3830         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3831         (Target_arm::Relocate::relocate): Only decompose address into two
3832         parts if relocation type uses the thumb-bit and pass the actual
3833         bit instead of a flag indicating that the thumb-bit is used.  Adjust
3834         calls to methods in Arm_relocate_functions for this change.
3835
3836 2009-11-08  Ian Lance Taylor  <iant@google.com>
3837
3838         PR 10925
3839         * reloc.cc: Instantiate
3840         Sized_relobj::initialize_input_to_output_maps and
3841         Sized_relobj:free_input_to_output_maps.
3842
3843 2009-11-06  Ian Lance Taylor  <iant@google.com>
3844
3845         PR 10876
3846         * defstd.cc (in_segment): Set only_if_ref true for "end".
3847
3848 2009-11-06  Doug Kwan  <dougkwan@google.com>
3849
3850         * arm.cc (class Reloc_stub): Correct a comment.
3851         (Target_arm::Target_arm): Initialize arm_input_section_map_.
3852         (Target_arm::scan_section_for_stubs): New method declaration.
3853         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3854         Change methods from private to protected.
3855         (Target_arm::do_may_relax): New method definition.
3856         (Target_arm::do_relax, Target_arm::group_sections,
3857         Target_arm::scan_reloc_for_stub,
3858         Target_arm::scan_reloc_section_for_stubs): New method declarations.
3859         (Target_arm::arm_input_section_map_): New data member declaration.
3860         (Target_arm::scan_reloc_for_stub,
3861         Target_arm::scan_reloc_section_for_stubs,
3862         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3863         Target_arm::do_relax): New method definitions.
3864
3865 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
3866
3867         * configure.ac: Check for (struct stat)::st_mtim
3868         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3869         * config.in: Regenerate.
3870         * configure: Regenerate.
3871
3872 2009-11-05  Ian Lance Taylor  <iant@google.com>
3873
3874         PR 10910
3875         * output.cc (Output_segment::add_output_section): Add missing
3876         return statement.
3877
3878 2009-11-04  Ian Lance Taylor  <iant@google.com>
3879
3880         PR 10880
3881         * object.h (class Object): Add is_needed and set_is_needed
3882         methods.  Add is_needed_ field.  Make bool fields into bitfields.
3883         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3884         defined in a dynamic object and referenced by a regular object,
3885         set is_needed for the dynamic object.
3886         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3887         if the file is marked with as_needed and it is not needed.
3888
3889 2009-11-04  Ian Lance Taylor  <iant@google.com>
3890
3891         PR 10887
3892         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3893         tags if data is discarded by linker script.
3894         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3895         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3896         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3897         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3898
3899 2009-11-04  Ian Lance Taylor  <iant@google.com>
3900
3901         * layout.cc (Layout::get_output_section): Add is_interp and
3902         is_dynamic_linker_section parameters.  Change all callers.
3903         (Layout::choose_output_section): Likewise.
3904         (Layout::make_output_section): Likewise.
3905         (Layout::add_output_section_data): Add is_dynamic_linker_section
3906         parameter.  Change all callers.
3907         * layout.h (class Layout): Update declarations.
3908         * output.h (class Output_section): Add is_interp, set_is_interp,
3909         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3910         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3911         generate_code_fills_at_write_ to a bitfield.
3912         * output.cc (Output_section::Output_sections): Initialize new
3913         fields.
3914         (Output_segment::add_output_section): Add do_sort parameter.
3915         Change all callers.
3916
3917 2009-11-03  Ian Lance Taylor  <iant@google.com>
3918
3919         PR 10860
3920         * options.h (class General_options): Add --warn-common.
3921         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3922         merging two common symbols.
3923         (Symbol_table::should_override): Handle --warn-common when merging
3924         a common symbol with a defined symbol.  Use report_resolve_problem
3925         for multiple definitions.
3926         (Symbol_table::report_resolve_problem): New function.
3927         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3928
3929 2009-11-03  Doug Kwan  <dougkwan@google.com>
3930
3931         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3932         stub_factory_.
3933         (Target_arm::stub_factory): New method definition.
3934         (Target_arm::new_arm_input_section,
3935         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3936         Target_arm::reloc_uses_thumb_bit): New method declarations.
3937         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
3938         New type definitions.
3939         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3940         member declarations.
3941         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3942         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3943         New method definitions.
3944
3945 2009-11-03  Ian Lance Taylor  <iant@google.com>
3946
3947         * options.h (class General_options): Add --warn_constructors.
3948
3949 2009-11-03  Ian Lance Taylor  <iant@google.com>
3950
3951         PR 10893
3952         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3953         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3954
3955 2009-11-03  Ian Lance Taylor  <iant@google.com>
3956
3957         PR 10895
3958         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3959         --msgid-bugs-address.
3960         (install-pdf): New target.
3961         (install-data_yes): Look up one directory to find mkinstalldirs.
3962
3963 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3964
3965         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3966         tree.
3967
3968 2009-10-30  Doug Kwan  <dougkwan@google.com>
3969
3970         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3971
3972 2009-10-30  Doug Kwan  <dougkwan@google.com>
3973
3974         * arm.cc (Stub_addend_reader): New struct template definition
3975         and partial specializations.
3976         (Stub_addend_reader::operator()): New method definition for a
3977         partially specialized template.
3978
3979 2009-10-30  Doug Kwan  <dougkwan@google.com>
3980
3981         * arm.cc (Arm_relobj::processor_specific_flags): New method
3982         definition.
3983         (Arm_relobj::do_read_symbols): New method declaration.
3984         (Arm_relobj::processor_specific_flags_): New data member declaration.
3985         (Arm_dynobj): New class definition.
3986         (Target_arm::do_finalize_sections): Add input_objects parameter.
3987         (Target_arm::do_adjust_elf_header): New method declaration.
3988         (Target_arm::are_eabi_versions_compatible,
3989         (Target_arm::merge_processor_specific_flags): New method declaration.
3990         (Target_arm::do_make_elf_object): New overloaded method definitions
3991         and declaration.
3992         (Arm_relobj::do_read_symbols): New method definition.
3993         (Arm_dynobj::do_read_symbols): Ditto.
3994         (Target_arm::do_finalize_sections): Add input_objects parameters.
3995         Merge processor-specific flags from all input objects.
3996         (Target_arm::are_eabi_versions_compatible,
3997         Target_arm::merge_processor_specific_flags,
3998         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3999         New method definitions.
4000         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4001         Input_objects pointer type parameter.
4002         * layout.cc (Layout::finalize): Pass input objects to target's.
4003         finalize_sections function.
4004         * output.cc (Output_file_header::do_sized_write): Set ELF file
4005         header's processor-specific flags.
4006         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4007         Input_objects pointer type parameter.
4008         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4009         * target.h (Input_objects): New forward class declaration.
4010         (Target::processor_specific_flags,
4011         Target::are_processor_specific_flags_sect): New method definitions.
4012         (Target::finalize_sections): Add input_objects parameter.
4013         (Target::Target): Initialize processor_specific_flags_ and
4014         are_processor_specific_flags_set_.
4015         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4016         parameter.
4017         (Target::set_processor_specific_flags): New method definition.
4018         (Target::processor_specific_flags_,
4019         Target::are_processor_specific_flags_set_): New data member
4020         declarations.
4021         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4022         Input_objects pointer type parameter.
4023
4024 2009-10-30  Doug Kwan  <dougkwan@google.com>
4025
4026         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4027
4028 2009-10-28  Ian Lance Taylor  <iant@google.com>
4029
4030         * object.h (class Relobj): Drop options parameter from
4031         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4032         do_scan_relocs, do_relocate.  Change all callers.
4033         (class Sized_relobj): Drop options parameters from
4034         do_gc_process_relocs, do_scan_relocs, do_relocate,
4035         do_relocate_sections, relocate_sections, emit_relocs_scan,
4036         emit_relocs_scan_reltype.  Change all callers.
4037         (struct Relocate_info): Remove options field and all references to
4038         it.
4039         * reloc.h (class Read_relocs): Remove options constructor
4040         parameter and options_ field.  Change all callers.
4041         (class Gc_process_relocs, class Scan_relocs): Likewise.
4042         (class Relocate_task): Likewise.
4043         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4044         all callers.
4045         (scan_relocatable_relocs): Likewise.
4046         * target.h (class Sized_target): Remove options parameter from
4047         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4048         all callers.
4049         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4050         callers.
4051         * arm.cc: Update functions to remove options parameters.
4052         * i386.cc: Likewise.
4053         * powerpc.cc: Likewise.
4054         * sparc.cc: Likewise.
4055         * x86_64.cc: Likewise.
4056         * testsuite/testfile.cc: Likewise.
4057
4058 2009-10-28  Doug Kwan  <dougkwan@google.com>
4059
4060         * arm.cc (Arm_relobj): New class definition.
4061         (Arm_relobj::scan_sections_for_stubs,
4062         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4063         New method definitions.
4064
4065 2009-10-28  Cary Coutant  <ccoutant@google.com>
4066
4067         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4068         (Plugin::cleanup_done_): New member.
4069         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4070         (Plugin_manager::cleanup_done_): Remove.
4071         (Plugin_manager::add_input_file): Edit error message.
4072         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4073         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4074
4075 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4076
4077         * fileread.cc: (File_read::View::~View): Use the new
4078         data_ownership_ filed.
4079         (File_read::~File_read): Dispose the new whole_file_view_.
4080         (File_read::open): Mmap the whole file if needed.
4081         (File_read::open): Use whole_file_view_ instead of contents_.
4082         (File_read::find_view): Use whole_file_view_ if applicable.
4083         (File_read::do_read): Use whole_file_view_ instead of contents_.
4084         (File_read::make_view): Use whole_file_view_ instead of contents_,
4085         update File_read::View::View call.
4086         (File_read::find_or_make_view): Update File_read::View::View
4087         call.
4088         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4089         remove contents_
4090         (File_read::View::Data_ownership): New enum.
4091         (File_read::View::View): Replace bool mapped_ with Data_ownership
4092         argument.
4093         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4094         (File_read::View::data_ownership_): New field.
4095         (File_read::contents_): Remove (replaced by whole_file_view_).
4096         (File_read::whole_file_view_): New field.
4097         * options.h (class General_options): Add --keep-files-mapped.
4098
4099 2009-10-27  Cary Coutant  <ccoutant@google.com>
4100
4101         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4102         * testsuite/Makefile.am (plugin_test_5): New test case.
4103         * testsuite/Makefile.in: Regenerate.
4104
4105 2009-10-25  Doug Kwan  <dougkwan@google.com>
4106
4107         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4108         from private to protected to allow access by child class.
4109         (Sized_relobj::do_relocate_sections): New method declaration.
4110         (Sized_relobj::relocate_sections): Virtualize.
4111         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4112         Sized_relobj::relocate_sections.  Instantiate template explicitly
4113         for different target sizes and endianity.
4114
4115 2009-10-24  Doug Kwan  <dougkwan@google.com>
4116
4117         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4118         (Arm_input_section::as_arm_input_section): New method.
4119         (Arm_output_section): New class definition.
4120         (Arm_output_section::create_stub_group,
4121         Arm_output_section::group_sections): New method definitions.
4122
4123 2009-10-22  Doug Kwan  <dougkwan@google.com>
4124
4125         * arm.cc (Arm_input_section): New class definition.
4126         (Arm_input_section::init, Arm_input_section:do_write,
4127         Arm_input_section::set_final_data_size,
4128         Arm_input_section::do_reset_address_and_file_offset): New method
4129         definitions.
4130
4131 2009-10-21  Doug Kwan  <dougkwan@google.com>
4132
4133         * arm.cc (Stub_table, Arm_input_section): New forward class
4134         declarations.
4135         (Stub_table): New class defintion.
4136         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4137         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4138         New method definition.
4139
4140 2009-10-21  Doug Kwan  <dougkwan@google.com>
4141
4142         * arm.cc: Update copyright comments.
4143         (Target_arm): New forward class template declaration.
4144         (Arm_address): New type.
4145         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4146         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4147         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4148         constants.
4149         (Insn_template): Same.
4150         (DEF_STUBS): New macro.
4151         (Stub_type): New enum type.
4152         (Stub_template): New class definition.
4153         (Stub): Same.
4154         (Reloc_stub): Same.
4155         (Stub_factory): Same.
4156         (Target_arm::Target_arm): Initialize may_use_blx_ and
4157         should_force_pic_veneer_.
4158         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4159         Target_arm::should_force_pic_veneer,
4160         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4161         Target_arm::using_thumb_only, Target_arm:;default_target): New
4162         method defintions.
4163         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4164         New data member declarations.
4165         (Insn_template::size, Insn_template::alignment): New method defintions.
4166         (Stub_template::Stub_template): New method definition.
4167         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4168         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4169         (Stub_factory::Stub_factory): New method definition.
4170         * gold.h (string_hash): New template.
4171         * output.h (Input_section_specifier::hash_value): Use
4172         gold::string_hash.
4173         (Input_section_specifier::string_hash): Remove.
4174         * stringpool.cc (Stringpool_template::string_hash): Use
4175         gold::string_hash.
4176
4177 2009-10-20  Doug Kwan  <dougkwan@google.com>
4178
4179         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4180         symbols of relaxed input sections.
4181         * output.h (Output_section::find_relaxed_input_section): Make
4182         method public.
4183
4184 2009-10-16  Doug Kwan  <dougkwan@google.com>
4185
4186         * dynobj.cc (Versions::Versions): Initialize version_script_.
4187         Only insert base version symbol definition for a shared object
4188         if version script defines any version versions.
4189         (Versions::define_base_version): New method definition.
4190         (Versions::add_def): Check that base version is not needed.
4191         (Versions::add_need): Define base version lazily.
4192         * dynobj.h (Versions::define_base_version): New method declaration.
4193         (Versions::needs_base_version_): New data member declaration.
4194         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4195         (check_DATA): Add no_version_test.stdout.
4196         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4197         New make rules.
4198         * testsuite/Makefile.in: Regenerate.
4199         * testsuite/no_version_test.c: New file.
4200         * testsuite/no_version_test.sh: Ditto.
4201
4202 2009-10-16  Doug Kwan  <dougkwan@google.com>
4203
4204         * expression.cc (class Segment_start_expression): New class definition.
4205         (Segment_start_expression::value): New method definition.
4206         (script_exp_function_segment_start): Return a new
4207         Segment_start_expression.
4208         * gold/script-c.h (script_saw_segment_start_expression): New function
4209         prototype.
4210         * script-sections.cc (Script_sections::Script_sections): Initialize
4211         SAW_SEGMENT_START_EXPRESSION_ to false.
4212         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4213         and -Tbbs options to specify section addresses if given in
4214         command line and no SEGMENT_START expression is seen in a script.
4215         * script-sections.h (Script_sections::saw_segment_start_expression,
4216         Script_sections::set_saw_segment_start_expression): New method
4217         definition.
4218         (Script_sections::saw_segment_start_expression_): New data member
4219         declaration.
4220         * script.cc (script_saw_segment_start_expression): New function.
4221         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4222         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4223         script_test_7.sh and script_test_8.sh.
4224         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4225         script_test_8.stdout.
4226         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4227         (script_test_6, script_test_6.stdout, script_test_7,
4228         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4229         * Makefile.in: Regenerate.
4230         * testsuite/script_test_6.sh: New file.
4231         * testsuite/script_test_6.t: Same.
4232         * testsuite/script_test_7.sh: Same.
4233         * testsuite/script_test_7.t: Same.
4234         * testsuite/script_test_8.sh: Same.
4235
4236 2009-10-16  Doug Kwan  <dougkwan@google.com>
4237
4238         * output.cc (Output_segment::set_section_list_address): Cast
4239         expressions to unsigned long long type to avoid format warnings.
4240
4241 2009-10-15  Ian Lance Taylor  <iant@google.com>
4242
4243         * script.cc (Script_options::add_symbol_assignment): Always add a
4244         dot assignment to script_sections_.
4245         * script-sections.cc (Script_sections::add_dot_assignment):
4246         Initialize if necessary.
4247
4248         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4249         program headers with no load segment if there is a linker script.
4250
4251         * layout.cc (Layout::set_segment_offsets): Align the file offset
4252         to the segment aligment for -N or -n with no load segment.
4253         * output.cc (Output_segment::add_output_section): Don't crash if
4254         the first section is a TLS section.
4255         (Output_segment::set_section_list_addresses): Print an error
4256         message if the address moves backward in a linker script.
4257         * script-sections.cc
4258         (Output_section_element_input::set_section_addresses): Don't
4259         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4260         (Orphan_output_section::set_section_addresses): Likewise.
4261
4262 2009-10-15  Doug Kwan  <dougkwan@google.com>
4263
4264         * layout.cc (Layout::finish_dynamic_section): Generate tags
4265         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4266         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4267         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4268
4269 2009-10-14  Ian Lance Taylor  <iant@google.com>
4270
4271         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4272         fields.
4273         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4274         data_shdr fields of relinfo.
4275         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4276         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4277         R_386_TLS_LDO_32, adjust based on section flags.
4278         (Target_i386::Relocate::fix_up_ldo): Remove.
4279
4280 2009-10-13  Ian Lance Taylor  <iant@google.com>
4281
4282         Add support for -pie.
4283         * options.h (class General_options): Add -pie and
4284         --pic-executable.
4285         (General_options::output_is_position_independent): Test -pie.
4286         (General_options::output_is_executable): Return true if not shared
4287         and not relocatable.
4288         (General_options::output_is_pie): Remove.
4289         * options.cc (General_options::finalize): Reject incompatible uses
4290         of -pie.
4291         * gold.cc (queue_middle_tasks): A -pie link is not static.
4292         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4293         * symtab.cc (Symbol::final_value_is_known): Return false if
4294         output_is_position_independent.
4295         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4296         output_is_position_independent.
4297         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4298         output_is_position_independent.
4299         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4300         output_is_position_independent.
4301         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4302         two_file_pie_test.
4303         (basic_pie_test.o, basic_pie_test): New targets.
4304         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4305         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4306         (two_file_pie_test): New target.
4307         * testsuite/Makefile.in: Rebuild.
4308         * README: Remove note saying that -pie is not supported.
4309
4310 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4311
4312         * options.h (class General_options): Add -init and -fini.
4313         * layout.cc (Layout::finish_dynamic_section): Emit
4314         given init and fini functions.
4315
4316 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4317
4318         * gc.h (gc_process_relocs): Check if icf is enabled using new
4319         function.
4320         * gold.cc (queue_initial_tasks): Likewise.
4321         (queue_middle_tasks): Likewise.
4322         * object.cc (do_layout): Likewise.
4323         * symtab.cc (is_section_folded): Likewise.
4324         * main.cc (main): Likewise.
4325         * reloc.cc (Read_relocs::run): Likewise.
4326         (Sized_relobj::do_scan_relocs): Likewise.
4327         * icf.cc (is_function_ctor_or_dtor): New function.
4328         (Icf::find_identical_sections): Check if function is ctor or dtor when
4329         safe icf is chosen.
4330         * options.h (General_options::icf): Change option to be an enum.
4331         (Icf_status): New enum.
4332         (icf_enabled): New method.
4333         (icf_safe_folding): New method.
4334         (set_icf_status): New method.
4335         (icf_status_): New variable.
4336         * (options.cc) (General_options::finalize): Set icf_status_.
4337         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4338         icf_test and icf_keep_unique_test to use the --icf enum flag.
4339         * testsuite/icf_safe_test.sh: New file.
4340         * testsuite/icf_safe_test.cc: New file.
4341
4342 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4343
4344         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4345         includes to gc.h and icf.h.
4346         * arm.cc: Include gc.h.
4347         * gold.cc: Likewise.
4348         * i386.cc: Likewise.
4349         * powerpc.cc: Likewise.
4350         * sparc.cc: Likewise.
4351         * x86_64.cc: Likewise.
4352         * gc.h: Include icf.h.
4353
4354 2009-10-11  Ian Lance Taylor  <iant@google.com>
4355
4356         * plugin.cc: Include "gold.h" before other header files.
4357
4358 2009-10-10  Chris Demetriou  <cgd@google.com>
4359
4360         * options.h (Input_file_argument::Input_file_type): New enum.
4361         (Input_file_argument::is_lib_): Replace with...
4362         (Input_file_argument::type_): New member.
4363         (Input_file_argument::Input_file_argument): Take Input_file_type
4364         'type' rather than boolean 'is_lib' as second argument.
4365         (Input_file_argument::is_lib): Use type_.
4366         (Input_file_argument::is_searched_file): New function.
4367         (Input_file_argument::may_need_search): Handle is_searched_file.
4368         * options.cc (General_options::parse_library): Support -l:filename.
4369         (General_options::parse_just_symbols): Update for Input_file_argument
4370         changes.
4371         (Command_line::process): Likewise.
4372         * archive.cc (Archive::get_file_and_offset): Likewise.
4373         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4374         * script.cc (read_script_file, script_add_file): Likewise.
4375         * fileread.cc (Input_file::Input_file): Likewise.
4376         (Input_file::will_search_for): Handle is_searched_file.
4377         (Input_file::open): Likewise.
4378         * readsyms.cc (Read_symbols::get_name): Likewise.
4379         * testsuite/Makefile.am (searched_file_test): New test.
4380         * testsuite/Makefile.in: Regenerate.
4381         * testsuite/searched_file_test.cc: New file.
4382         * testsuite/searched_file_test_lib.cc: New file.
4383
4384 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4385             Ian Lance Taylor  <iant@google.com>
4386
4387         * descriptor.cc: Include <cstdio> and "binary-io.h".
4388         (Descriptors::open): Open the files in binary mode always.
4389         * script.cc (Lex::get_token): Treat \r as whitespace.
4390
4391 2009-10-09  Ian Lance Taylor  <iant@google.com>
4392
4393         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4394
4395 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4396             Ian Lance Taylor  <iant@google.com>
4397
4398         * configure.ac: Check for readv function also.
4399         * fileread.cc (readv): Define if not HAVE_READV.
4400         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4401         does not exist.
4402         * config.in: Regenerate.
4403         * configure: Regenerate.
4404
4405 2009-10-09  Doug Kwan  <dougkwan@google.com>
4406
4407         * layout.cc (Layout::make_output_section): Call target hook to make
4408         ordinary output section.
4409         (Layout::finalize): Adjust parameter list of call the
4410         Target::may_relax().
4411         * layout.h (class Layout::section_list): New method.
4412         * merge.h (Output_merge_base::entsize): Change visibility to public.
4413         (Output_merge_base::is_string, Output_merge_base::do_is_string):
4414         New methods.
4415         (Output_merge_string::do_is_string): New method.
4416         * object.cc (Sized_relobj::do_setup): renamed from
4417         Sized_relobj::set_up.
4418         * object.h (Sized_relobj::adjust_shndx,
4419         Sized_relobj::initializ_input_to_output_maps,
4420         Sized_relobj::free_input_to_output_maps): Change visibilities to
4421         protected.
4422         (Sized_relobj::setup): Virtualize.
4423         (Sized_relobj::do_setup): New method declaration.
4424         (Sized_relobj::invalidate_section_offset,
4425         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4426         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4427         * options.cc (parse_int): New function.
4428         * options.h (parse_int): New declaration.
4429         (DEFINE_int): New macro.
4430         (stub_group_size): New option.
4431         * output.cc (Output_section::Output_section): Initialize memebers
4432         merge_section_map_, merge_section_by_properties_map_,
4433         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4434         (Output_section::add_input_section): Handled deferred code-fill
4435         generation and remove an old comment.
4436         (Output_section::add_relaxed_input_section): New method definition.
4437         (Output_section::add_merge_input_section): Use merge section by
4438         properties map to speed to search.  Update merge section maps
4439         as appropriate.
4440         (Output_section::build_relaxation_map): New method definition.
4441         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4442         Same.
4443         (Output_section::relax_input_section): Renamed to
4444         Output_section::convert_input_sections_to_relaxed_sections and change
4445         interface to take a vector of pointers to relaxed sections.
4446         (Output_section::find_merge_section,
4447         Output_section::find_relaxed_input_section): New method definitions.
4448         (Output_section::is_input_address_mapped,
4449         Output_section::output_offset, Output_section::output_address):
4450         Use output section data maps to speed up searching.
4451         (Output_section::find_starting_output_address): Add comments.
4452         (Output_section::do_write,
4453         Output_section::write_to_postprocessing_buffer): Do code-fill
4454         generation as appropriate.
4455         (Output_section::get_input_sections): Invalidate relaxed input section
4456         map.
4457         (Output_section::restore_states): Adjust type of checkpoint .
4458         Invalidate relaxed input section map.
4459         * output.h (Output_merge_base): New class declaration.
4460         (Input_section_specifier): New class defintion.
4461         (class Output_relaxed_input_section) Change base class to
4462         Output_section_data_build.
4463         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4464         base class initializer.
4465         (Output_section::add_relaxed_input_section): New method declaration.
4466         (Output_section::Input_section): Change visibility to protected.
4467         (Output_section::Input_section::relobj,
4468         Output_section::Input_section::shndx): Handle relaxed input sections.
4469         Output_section::input_sections) Change visibility to protected.  Also
4470         define overload to return a non-const pointer.
4471         (Output_section::Merge_section_properties): New class defintion.
4472         (Output_section::Merge_section_by_properties_map,
4473         Output_section::Output_section_data_by_input_section_map,
4474         Output_section::Relaxation_map): New types.
4475         (Output_section::relax_input_section): Rename method to
4476         Output_section::convert_input_sections_to_relaxed_sections and change
4477         interface to take a vector of relaxed section pointers.
4478         (Output_section::find_merge_section,
4479         Output_section::find_relaxed_input_section,
4480         Output_section::build_relaxation_map,
4481         Output_section::convert_input_sections_in_list_to_relaxed_sections):
4482         New method declarations.
4483         (Output_section::merge_section_map_
4484         Output_section::merge_section_by_properties_map_,
4485         Output_section::relaxed_input_section_map_,
4486         Output_section::is_relaxed_input_section_map_valid_,
4487         Output_section::generate_code_fills_at_write_): New data members.
4488         * script-sections.cc
4489         (Output_section_element_input::set_section_addresses): Call
4490         current_data_size and addralign methods of relaxed input sections.
4491         (Orphan_output_section::set_section_addresses): Call current_data_size
4492         and addralign methods of relaxed input sections.
4493         * symtab.cc (Symbol_table::compute_final_value): Extract template
4494         from the body of Symbol_table::sized_finalize_symbol.
4495         (Symbol_table::sized_finalized_symbol): Call
4496         Symbol_table::compute_final_value.
4497         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4498         (Symbol_table::compute_final_value): New templated method declaration.
4499         * target.cc (Target::do_make_output_section): New method defintion.
4500         * target.h (Target::make_output_section): New method declaration.
4501         (Target::relax): Add more parameters for input objects, symbol table
4502         and layout.  Adjust call to do_relax.
4503         (Target::do_make_output_section): New method declaration.
4504         (Target::do_relax): Add parameters for input objects, symbol table
4505         and layout.
4506
4507 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4508
4509         * pread.c: Include stdio.h.
4510
4511 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4512
4513         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4514         defined.
4515
4516 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4517
4518         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4519         Change read_shndx type to unsigned int.
4520         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4521         int.
4522         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4523         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4524         Change read_shndx type to unsigned int.
4525         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4526         int.
4527         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4528         * layout.cc (Layout::create_symtab_sections): Cast the result of
4529         local_symcount * symsize to off_t in the gold_assert.
4530
4531 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4532
4533         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4534         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4535         R_ARM_BASE_ABS.
4536         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4537         (Arm_relocate_functions::thm_abs5): New function.
4538         (Arm_relocate_functions::abs12): New function.
4539         (Arm_relocate_functions::abs16): New function.
4540         (Arm_relocate_functions::base_abs): New function.
4541         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4542         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
4543         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4544         R_ARM_BASE_ABS.
4545         (Scan::global): Likewise.
4546         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4547         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4548         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4549         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4550         R_ARM_BASE_ABS.
4551
4552 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4553
4554         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4555         (Arm_relocate_functions::movt_prel): New function.
4556         (Arm_relocate_functions::thm_movw_prel_nc): New function.
4557         (Arm_relocate_functions::thm_movt_prel): New function.
4558         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4559         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4560         (Scan::global, Relocate::relocate): Likewise.
4561         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4562
4563 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4564
4565         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4566         Incremental_checker.
4567         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4568         unsigned int.
4569         (class Incremental_inputs_header): New class.
4570         (Incremental_inputs_header_writer): Edit comment.
4571         (Incremental_inputs_entry): New class.
4572         (Incremental_inputs_entry_writer): Edit comment.
4573         (Sized_incremental_binary::do_find_incremental_inputs_section):
4574         Add *strtab_shndx parameter, fill it.
4575         (Sized_incremental_binary::do_check_inputs): New method.
4576         (Incremental_checker::can_incrementally_link_output_file): Use
4577         Sized_incremental_binary::check_inputs.
4578         (Incremental_inputs::report_command_line): Save command line in
4579         command_line_.
4580         * incremental.h:
4581         (Incremental_binary::find_incremental_inputs_section): New
4582         method.
4583         (Incremental_binary::do_find_incremental_inputs_section): Add
4584         strtab_shndx parameter.
4585         (Incremental_binary::do_check_inputs): New pure virtual method.
4586         (Sized_incremental_binary::do_check_inputs): Declare.
4587         (Incremental_checker::Incremental_checker): Add incremental_inputs
4588         parameter, use it to initialize incremental_inputs_.
4589         (Incremental_checker::incremental_inputs_): New field.
4590         (Incremental_checker::command_line): New method.
4591         (Incremental_checker::inputs): New method.
4592         (Incremental_checker::command_line_): New field.
4593
4594 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4595
4596         * incremental.cc: Include <cstdarg> and "target-select.h".
4597         (vexplain_no_incremental): New function.
4598         (explain_no_incremental): New function.
4599         (Incremental_binary::error): New method.
4600         (Sized_incremental_binary::do_find_incremental_inputs_section): New
4601         method.
4602         (make_sized_incremental_binary): New function.
4603         (open_incremental_binary): New function.
4604         (can_incrementally_link_file): Add checks if output is ELF and has
4605         inputs section.
4606         * incremental.h: Include "elfcpp_file.h" and "output.h".
4607         (Incremental_binary): New class.
4608         (Sized_incremental_binary): New class.
4609         (open_incremental_binary): Declare.
4610         * object.cc (is_elf_object): Use
4611         elfcpp::Elf_recognizer::is_elf_file.
4612         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4613         * output.h (Output_file::filesize): New method.
4614
4615 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4616
4617         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4618         New function.
4619         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4620         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4621         function.
4622         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4623         function.
4624         (Arm_relocate_functions::movw_abs_nc): New function.
4625         (Arm_relocate_functions::movt_abs): New function.
4626         (Arm_relocate_functions::thm_movw_abs_nc): New function.
4627         (Arm_relocate_functions::thm_movt_abs): New function.
4628         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4629         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4630         (Scan::global): Likewise.
4631         (Relocate::relocate): Likewise.
4632         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4633
4634 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4635
4636         * arm.cc (Arm_relocate_functions::got_prel) New function.
4637         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
4638         (Relocate::relocate): Likewise.
4639         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4640
4641 2009-10-06  Ian Lance Taylor  <iant@google.com>
4642
4643         * options.h (class General_options): Define
4644         split_stack_adjust_size parameter.
4645         * object.h (class Object): Add uses_split_stack_ and
4646         has_no_split_stack_ fields.  Add uses_split_stack and
4647         has_no_split_stack accessor functions.  Declare
4648         handle_split_stack_section.
4649         (class Reloc_symbol_changes): Define.
4650         (class Sized_relobj): Define Function_offsets.  Declare
4651         split_stack_adjust, split_stack_adjust_reltype, and
4652         find_functions.
4653         * object.cc (Object::handle_split_stack_section): New function.
4654         (Sized_relobj::do_layout): Call handle_split_stack_section.
4655         * dynobj.cc (Sized_dynobj::do_layout): Call
4656         handle_split_stack_section.
4657         * reloc.cc (Sized_relobj::relocate_sections): Call
4658         split_stack_adjust for executable sections in split_stack
4659         objects.  Pass reloc_map to relocate_section.
4660         (Sized_relobj::split_stack_adjust): New function.
4661         (Sized_relobj::split_stack_adjust_reltype): New function.
4662         (Sized_relobj::find_functions): New function.
4663         * target-reloc.h: Include "object.h".
4664         (relocate_section): Add reloc_symbol_changes parameter.  Change
4665         all callers.
4666         * target.h (class Target): Add calls_non_split method.  Declare
4667         do_calls_non_split virtual method.  Declare match_view and
4668         set_view_to_nop.
4669         * target.cc: Include "elfcpp.h".
4670         (Target::do_calls_non_split): New function.
4671         (Target::match_view): New function.
4672         (Target::set_view_to_nop): New function.
4673         * gold.cc (queue_middle_tasks): Give an error if mixing
4674         split-stack and non-split-stack objects with -r.
4675         * i386.cc (Target_i386::relocate_section): Add
4676         reloc_symbol_changes parameter.
4677         (Target_i386::do_calls_non_split): New function.
4678         * x86_64.cc (Target_x86_64::relocate_section): Add
4679         reloc_symbol_changes parameter.
4680         (Target_x86_64::do_calls_non_split): New function.
4681         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
4682         parameter.
4683         * powerpc.cc (Target_powerpc::relocate_section): Add
4684         reloc_symbol_changes parameter.
4685         * sparc.cc (Target_sparc::relocate_section): Add
4686         reloc_symbol_changes parameter.
4687         * configure.ac: Call AM_CONDITIONAL for the default target.
4688         * configure: Rebuild.
4689         * testsuite/Makefile.am (TEST_AS): New variable.
4690         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
4691         (check_DATA): Add split_i386 and split_x86_64 files.
4692         (SPLIT_DEFSYMS): Define.
4693         (split_i386_[1234n].o): New targets.
4694         (split_i386_[124]): New targets.
4695         (split_i386_[1234r].stdout): New targets.
4696         (split_x86_64_[1234n].o): New targets.
4697         (split_x86_64_[124]): New targets.
4698         (split_x86_64_[1234r].stdout): New targets.
4699         (MOSTLYCLEANFILES): Add new executables.
4700         * testsuite/split_i386.sh: New file.
4701         * testsuite/split_x86_64.sh: New file.
4702         * testsuite/split_i386_1.s: New file.
4703         * testsuite/split_i386_2.s: New file.
4704         * testsuite/split_i386_3.s: New file.
4705         * testsuite/split_i386_4.s: New file.
4706         * testsuite/split_i386_n.s: New file.
4707         * testsuite/split_x86_64_1.s: New file.
4708         * testsuite/split_x86_64_2.s: New file.
4709         * testsuite/split_x86_64_3.s: New file.
4710         * testsuite/split_x86_64_4.s: New file.
4711         * testsuite/split_x86_64_n.s: New file.
4712         * testsuite/testfile.cc (Target_test): Update relocation_section
4713         function.
4714         * testsuite/Makefile.in: Rebuild.
4715
4716 2009-10-06  Ian Lance Taylor  <iant@google.com>
4717
4718         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
4719         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
4720         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
4721         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
4722         the address on ldo_addrs_.
4723         (Target_i386::Relocate::fix_up_ldo): New function.
4724
4725 2009-10-06   Rafael Espindola  <espindola@google.com>
4726
4727         * plugin.cc (add_input_library): New.
4728         (Plugin::load): Add add_input_library to tv.
4729         (Plugin_manager::add_input_file): Add the is_lib argument.
4730         (add_input_file): Update call to Plugin_manager::add_input_file.
4731         (add_input_library): New.
4732         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
4733
4734 2009-09-30  Doug Kwan  <dougkwan@google.com>
4735
4736         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
4737         symbol and call Symbol::may_need_copy_reloc to determine if
4738         a copy reloc is needed.
4739         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
4740         nocopyreloc is given in command line.
4741         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
4742         given in command line.
4743         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
4744         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
4745         of the removed Target_i386::may_need_copy_reloc.
4746         * options.h (copyreloc): New option with default value false.
4747         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4748         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
4749         instead of the removed Target_powerpc::may_need_copy_reloc.
4750         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4751         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
4752         instead of the removed Target_sparc::may_need_copy_reloc.
4753         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
4754         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
4755         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
4756         instead of the removed Target_x86_64::may_need_copy_reloc.
4757
4758 2009-09-30  Ian Lance Taylor  <iant@google.com>
4759
4760         * object.h (class Object): Remove target_ field, and target,
4761         sized_target, and set_target methods.
4762         (Object::sized_target): Remove.
4763         (class Sized_relobj): Update declarations.  Remove sized_target.
4764         * object.cc (Sized_relobj::setup): Remove target parameter.
4765         Change all callers.
4766         (Input_objects::add_object): Don't do anything with the target.
4767         (make_elf_sized_object): Add punconfigured parameter.  Change all
4768         callers.  Set or test parameter target.
4769         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
4770         Change all callers.
4771         * parameters.cc (Parameters::set_target): Change parameter type to
4772         be non-const.
4773         (Parameters::default_target): Remove.
4774         (set_parameters_target): Change parameter type to be non-const.
4775         (parameters_force_valid_target): New function.
4776         (parameters_clear_target): New function.
4777         * parameters.h (class Parameters): Update declarations.  Remove
4778         default_target method.  Add sized_target and clear_target
4779         methods.  Change target_ to be non-const.
4780         (set_parameters_target): Update declaration.
4781         (parameters_force_valid_target): Declare.
4782         (parameters_clear_target): Declare.
4783         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
4784         as NULL if we aren't searching.
4785         (Add_symbols::run): Don't check for compatible target.
4786         * fileread.cc (Input_file::open_binary): Call
4787         parameters_force_valid_target.
4788         * gold.cc (queue_middle_tasks): Likewise.
4789         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
4790         set_target on object.
4791         * dynobj.h (class Sized_dynobj): Update declarations.
4792         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4793         make_elf_object returns NULL.
4794         (Archive::include_member): Don't check whether object target is
4795         compatible.
4796         * output.cc (Output_section::add_input_section): Get target from
4797         parameters.
4798         (Output_section::relax_input_section): Likewise.
4799         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4800         parameters.
4801         (Sized_relobj::do_scan_relocs): Likewise.
4802         (Sized_relobj::relocate_sections): Likewise.
4803         * resolve.cc (Symbol_table::resolve): Likewise.
4804         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
4805         parameter.  Change all callers.
4806         (Symbol_table::add_from_object): Get target from parameters.
4807         (Symbol_table::add_from_relobj): Don't check object target.
4808         (Symbol_table::add_from_dynobj): Likewise.
4809         (Symbol_table::define_special_symbol): Get target from
4810         parameters.
4811         * symtab.h (class Symbol_table): Update declaration.
4812         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4813         parameter.  Change all callers.  Clear parameter target.
4814         (Binary_test): Test target here.
4815         * testsuite/object_unittest.cc (gold_testsuite): Remove
4816         target_test_pointer parameter.  Change all callers.
4817         (Object_test): Test target here.
4818
4819 2009-09-26  Ian Lance Taylor  <iant@google.com>
4820
4821         * testsuite/initpri1.c: Don't try to use constructor priorities if
4822         compiling with gcc before 4.3.
4823
4824 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
4825
4826         * testsuite/retain_symbols_file_test.sh (check_present): Change
4827         output file name to retain_symbols_file_test.stdout.
4828         (check_absent): Likewise.
4829
4830 2009-09-18  Craig Silverstein  <csilvers@google.com>
4831
4832         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4833         * options.cc: Include <cerrno> and <fstream>.
4834         (General_options::finalize): Parse -retain-symbols-file tag.
4835         * options.h: New flag.
4836         (General_options): New method should_retain_symbol, new
4837         variable symbols_to_retain.
4838         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4839         should_retain_symbol map.
4840         * testsuite/Makefile.am (retain_symbols_file_test): New test.
4841         * testsuite/Makefile.in: Regenerate.
4842         * testsuite/retain_symbols_file_test.sh: New file.
4843
4844 2009-09-18  Nick Clifton  <nickc@redhat.com>
4845
4846         * po/es.po: Updated Spanish translation.
4847
4848 2009-09-17  Doug Kwan  <dougkwan@google.com>
4849
4850         * debug.h (DEBUG_RELAXATION): New constant.
4851         (DEBUG_ALL): Add DEBUG_RELAXATION.
4852         (debug_string_to_enum): Add relaxation debug option.
4853         * layout.cc
4854         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4855         Layout::Relaxation_debug_check::read_sections,
4856         Layout::Relaxation_debug_check::read_sections): New method definitions.
4857         (Layout::Layout): Initialize data members
4858         record_output_section_data_from_scrips_,
4859         script_output_section_data_list_ and relaxation_debug_check_.
4860         (Layout::save_segments, Layout::restore_segments,
4861         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4862         Layout::relaxation_loop_body): New method definitions.
4863         (Layout::finalize): Support relaxation.  Move section layout code to
4864         Layout::relaxation_loop_body.
4865         (Layout::set_asection_address_from_script): Move code for orphan
4866         section placement out.
4867         (Layout::place_orphan_sections_in_script): New method definition.
4868         * layout.h (Output_segment_headers, Output_file_header):
4869         New forward class declarations.
4870         (Layout::~Layout): Define.
4871         (Layout::new_output_section_data_from_script): New method definition.
4872         (Layout::place_orphan_sections_in_script): New method declaration.
4873         (Layout::Segment_states): New type declaration.
4874         (Layout::save_segments, Layout::restore_segments,
4875         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4876         Layout::relaxation_loop_body): New method declarations.
4877         (Layout::Output_section_data_list): New type declaration.
4878         (Layout::Relaxation_debug_check): New class definition.
4879         (Layout::record_output_section_data_from_script_,
4880         Layout::script_output_section_data_list_, Layout::segment_states_,
4881         Layout::relaxation_debug_check_): New data members.
4882         * output.cc: (Output_section_headers::do_size): New method definition.
4883         (Output_section_headers::Output_section_headers): Move size
4884         computation to Output_section_headers::do_size.
4885         (Output_segment_headers::do_size): New method definition.
4886         (Output_file_header::Output_file_header): Move size computation to
4887         Output_file_header::do_size and call it.
4888         (Output_file_header::do_size): New method definition.
4889         (Output_data_group::Output_data_group): Adjust call to
4890         Output_section_data.
4891         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4892         (Output_symtab_xindex::do_write): Add array bound check.
4893         (Output_section::Input_section::print_to_mapfile): Handle
4894         RELAXED_INPUT_SECTION_CODE.
4895         (Output_section::Output_section): Initialize data member checkpoint_.
4896         (Output_section::~Output_section): Delete checkpoint object pointed
4897         by checkpoint_.
4898         (Output_section::add_input_section): Always add an Input_section if
4899         relaxing.
4900         (Output_section::add_merge_input_section): Add assert.
4901         (Output_section::relax_input_section): New method definition.
4902         (Output_section::set_final_data_size): Set load address to zero for
4903         an unallocated section.
4904         (Output_section::do_address_and_file_offset_have_reset_values):
4905         New method definition.
4906         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4907         Handle relaxed input section.
4908         (Output_section::sort_attached_input_sections): Checkpoint input
4909         section list lazily.
4910         (Output_section::get_input_sections): Change type of input_sections to
4911         list of Simple_input_section pointers.  Checkpoint input section list
4912         lazily.  Also handle relaxed input sections.
4913         (Output_section::add_input_section_for_script): Take a reference to
4914         a Simple_input_section object instead of Relobj pointer and section
4915         index as parameter.  Handle relaxed input sections.
4916         (Output_section::save_states, Output_section::restore_states): New
4917         method definitions.
4918         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4919         (Output_data::is_data_size_fixed): New method definition.
4920         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4921         if it is fixed.
4922         (Output_data::address_and_file_offset_have_reset_values): New method
4923         definition.
4924         (Output_data::do_address_and_file_offset_have_reset_values): New method
4925         definition.
4926         (Output_data::set_data_size): Check that data size is not fixed.
4927         (Output_data::fix_data_size): New method definition.
4928         (Output_data::is_data_size_fixed_): New data member.
4929         (Output_section_headers::set_final_data_size): New method definition.
4930         (Output_section_headers::do_size): New method declaration.
4931         (Output_segment_headers::set_final_data_size): New method definition.
4932         (Output_segment_headers::do_size): New method declaration.
4933         (Output_file_header::set_final_data_size)::New method definition.
4934         (Output_file_header::do_size)::New method declaration.
4935         (Output_section_data::Output_section_data): Add new parameter
4936         is_data_size_fixed and use it to fix data size.
4937         (Output_data_const::Output_data_const): Adjust call to base class
4938         constructor and fix data size.
4939         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4940         base class constructor and fix data size.
4941         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4942         base class constructor and fix data size.
4943         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4944         class constructor and fix data size.
4945         (Output_data_group::set_final_data_size): New method definition.
4946         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4947         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4948         class constructor and fix data size.
4949         (Output_relaxed_input_section): New class definition.
4950         (Output_section::Simple_input_section): New class definition.
4951         (Output_section::get_input_sections): Adjust parameter list.
4952         (Output_section::add_input_section_for_script): Same.
4953         (Output_section::save_states, Output_section::restore_states,
4954         Output_section::do_address_and_file_offset_have_reset_values,
4955         (Output_section::Input_section::Input_section): Handle
4956         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4957         Output_relaxed_input_section.
4958         (Output_section::Input_section::is_input_section,
4959         Output_section::Input_section::set_output_section): Handle relaxed
4960         input section.
4961         (Output_section::Input_section::is_relaxed_input_section,
4962         Output_section::Input_section::output_section_data,
4963         Output_section::Input_section::relaxed_input_section): New method
4964         definitions.
4965         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4966         value.
4967         (Output_section::Input_section::u1_): Update comments.
4968         (Output_section::Input_section::u2_): Add new union member poris.
4969         (Output_section::Checkpoint_output_section): New classs definition.
4970         (Output_section::relax_input_section): New method declaration.
4971         (Output_section::checkpoint_): New data member.
4972         (Output_segment): Update comments.
4973         (Output_segment::Output_segment): Un-privatize copy constructor.
4974         (Output_segment::operator=): Un-privatize.
4975         * script-sections.cc (Output_section_element::Input_section_list):
4976         Change element type to Output_section::Simple_input_section.
4977         (Output_section_element_dot_assignment::set_section_addresses):
4978         Register output section data for relaxation clean up.
4979         (Output_data_exression::Output_data_expression): Adjust call to base
4980         constructor to fix data size.
4981         (Output_section_element_data::set_section_addresses): Register
4982         Output_data_expression object for relaxation clean up.
4983         (struct Input_section_info): Replace Relobj pointer and section index
4984         pair with Output_section::Simple_input_section and Convert struct to a
4985         class.
4986         (Input_section_sorter::operator()): Adjust access to
4987         Input_section_info data member to use accessors.
4988         (Output_section_element_input::set_section_addresses): Use layout
4989         parameter.  Adjust code to use Output_section::Simple_input_section
4990         and Input_secction_info classes.  Register filler for relaxation
4991         clean up.
4992         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4993         and section index pair with Output_section::Simple_input_section
4994         class.  Adjust code accordingly.
4995         (Phdrs_element::release_segment): New method definition.
4996         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4997         segment list.
4998         (Script_sections::release_segments): New method definition.
4999         * gold/script-sections.h (Script_sections::release_segments): New
5000         method declaration.
5001         * gold/target.h (Target::may_relax, Target::relax,
5002         Target::do_may_relax, Target::do_relax): New method definitions.
5003
5004 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5005
5006         * arm.cc (has_signed_unsigned_overflow): New function.
5007         (Arm_relocate_functions::abs8): New function.
5008         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5009         (Target_arm::Scan::global): Likewise.
5010         (Target_arm::relocate::relocate): Likewise.
5011         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5012         Likewise.
5013
5014 2009-09-16  Cary Coutant  <ccoutant@google.com>
5015
5016         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5017         * testsuite/Makefile.in: Regenerate.
5018
5019 2009-09-11  Nick Clifton  <nickc@redhat.com>
5020
5021         * po/gold.pot: Updated by the Translation project.
5022
5023 2009-09-08  Cary Coutant  <ccoutant@google.com>
5024
5025         * output.cc (Output_file::open): Add execute permission to empty file.
5026         * testsuite/Makefile.am (permission_test): New test.
5027         * testsuite/Makefile.in: Regenerate.
5028
5029 2009-09-02  Ian Lance Taylor  <iant@google.com>
5030
5031         * output.cc (Output_file::resize): Call map_no_anonymous rather
5032         than map.
5033
5034 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5035
5036         * gold.cc: Include "incremental.h".
5037         (queue_initial_tasks): Call Incremental_checker methods.
5038         * incremental.cc: Include "output.h".
5039         (Incremental_checker::can_incrementally_link_output_file): New
5040         method.
5041         * incremental.h (Incremental_checker): New class.
5042
5043         * output.cc (Output_file::open_for_modification): New method.
5044         (Output_file::map_anonymous): Changed return type to bool.  Record
5045         map in base_ field.
5046         (Output_file::map_no_anonymous): New method, broken out of map.
5047         (Output_file::map): Use map_no_anonymous and map_anonymous.
5048         * output.h (class Output_file): Update declarations.
5049
5050 2009-08-24  Cary Coutant  <ccoutant@google.com>
5051
5052         * options.h (Command_line::Pre_options): New class.
5053         (Command_line::pre_options): New member.
5054         * options.cc (gold::options::ready_to_register): New variable.
5055         (One_option::register_option): Do nothing if not registering options.
5056         Assert if same short option registered twice.
5057         (General_options::General_options): Turn off option registration when
5058         done constructing.
5059         (Command_line::Pre_options::Pre_options): New constructor.
5060
5061 2009-08-24  Cary Coutant  <ccoutant@google.com>
5062
5063         * options.h (General_options::no_keep_memory): Remove incorrect
5064         short option.
5065
5066 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5067
5068         * Makefile.am (am__skiplex, am__skipyacc): New.
5069         * Makefile.in: Regenerate.
5070
5071 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5072
5073         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5074         (INCLUDES): ... this.
5075         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5076         (AM_CPPFLAGS): Renamed from ...
5077         (INCLUDE): ... this.
5078         * Makefile.in, testsuite/Makefile.in: Regenerate.
5079
5080         * Makefile.in: Regenerate.
5081         * aclocal.m4: Likewise.
5082         * config.in: Likewise.
5083         * configure: Likewise.
5084         * testsuite/Makefile.in: Likewise.
5085
5086         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5087         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5088         * Makefile.in: Regenerate.
5089         * testsuite/Makefile.in: Regenerate.
5090
5091 2009-08-19  Cary Coutant  <ccoutant@google.com>
5092
5093         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5094         symbols in shared libraries overridden by hidden or internal symbols
5095         in the main program.
5096
5097 2009-08-19  Chris Demetriou  <cgd@google.com>
5098
5099         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5100         checking source file names in error messages.
5101
5102 2009-08-18  Doug Kwan  <dougkwan@google.com>
5103
5104         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5105         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5106         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5107         an elfcpp::Ehdr as parameter.
5108         * object.cc (Object::set_target): Remove the version that looks up
5109         a target and sets it.
5110         (Sized_relobj::setup): Take a Target object instead of
5111         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5112         (make_elf_sized_object): Find target and ask target to
5113         make an ELF object.
5114         * object.h: (Object::set_target): Remove the version that looks up
5115         a target and sets it.
5116         (Sized_relobj::setup): Take a Target object instead of
5117         an elfcpp:Ehdr as parameter.
5118         * target.cc: Include dynobj.h.
5119         (Target::do_make_elf_object_implementation): New.
5120         (Target::do_make_elf_object): New.
5121         * target.h (Target::make_elf_object): New template declaration.
5122         (Target::do_make_elf_object): New method declarations.
5123         (Target::do_make_elf_object_implementation): New template declaration.
5124
5125 2009-08-14  Ian Lance Taylor  <iant@google.com>
5126
5127         * gold.h (FUNCTION_NAME): Define.
5128         (gold_unreachable): Use FUNCTION_NAME.
5129
5130 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5131
5132         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5133         symbol in the --keep-unique list is not found.
5134
5135 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5136
5137         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5138         been maked as --keep-unique.
5139         (Icf::unfold_section): New function.
5140         * icf.h (Icf::unfold_section): New function.
5141         * options.h (General_options::keep_unique): New option.
5142         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5143         * testsuite/Makefile.in: Regenerate.
5144         * testsuite/icf_keep_unique_test.sh: New file.
5145         * testsuite/icf_keep_unique_test.cc: New file.
5146
5147 2009-08-12  Cary Coutant  <ccoutant@google.com>
5148
5149         PR 10471
5150         * resolve.cc (Symbol_table::resolve): Check for references from
5151         dynamic objects to hidden and internal symbols.
5152         * testsuite/Makefile.am (hidden_test.sh): New test.
5153         * testsuite/Makefile.in: Regenerate.
5154         * testsuite/hidden_test.sh: New script.
5155         * testsuite/hidden_test_1.c: New test source.
5156         * testsuite/hidden_test_main.c: New test source.
5157
5158 2009-08-11  Doug Kwan  <dougkwan@google.com>
5159
5160         * arm.cc: Update comments.
5161         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5162         segment to locate the .ARM.exidx section if present.
5163
5164 2009-08-09  Doug Kwan  <dougkwan@google.com>
5165
5166         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5167         patch.
5168
5169 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5170         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5171         compiler warnings.
5172
5173 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5174
5175         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5176         valid tls_segment only for non-debug-section relocations.
5177         * testsuite/Makefile.am: Add gc_tls_test.
5178         * testsuite/Makefile.in: Regenerate.
5179         * testsuite/gc_tls_test.cc: New file.
5180         * testsuite/gc_tls_test.sh: New file.
5181
5182 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5183
5184         * icf.cc: New file.
5185         * icf.h: New file.
5186         * Makefile.am (CCFILES): Add icf.cc.
5187         (HFILES): Add icf.h
5188         * Makefile.in: Regenerate.
5189         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5190         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5191         section, symbol and addend information for the relocs.
5192         * gold.cc (queue_middle_tasks): Call identical code folding.
5193         * gold.h: Add defines for multimap.
5194         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5195         to the call of finalize_local_symbols.
5196         * main.cc (main): Create object of class Icf.
5197         * object.cc (Sized_relobj::do_layout): Allow this function to be
5198         called twice during icf.
5199         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5200         to sections marked as identical by icf.
5201         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5202         when available.
5203         (Sized_relobj::do_section_entsize): New function.
5204         * object.h (Object::section_entsize): New function.
5205         (Object::do_section_entsize): New pure virtual function.
5206         (Relobj::finalize_local_symbols): Add new parameter.
5207         (Relobj::do_section_entsize): New function.
5208         * options.h (General_options::icf): New option.
5209         (General_options::icf_iterations): New option.
5210         (General_options::print_icf_sections): New option.
5211         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5212         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5213         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5214         icf.
5215         * symtab.cc (Symbol_table::is_section_folded): New function.
5216         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5217         to sections marked as identical by icf.
5218         * symtab.h (Symbol_table::set_icf): New function.
5219         (Symbol_table::icf): New function.
5220         (Symbol_table::is_section_folded): New function.
5221         (Symbol_table::icf_): New data member.
5222         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5223         * testsuite/Makefile.am: Add commands to build icf_test.
5224         * testsuite/Makefile.in: Regenerate.
5225         * testsuite/icf_test.sh: New file.
5226         * testsuite/icf_test.cc: New file.
5227
5228 2009-07-24  Chris Demetriou  <cgd@google.com>
5229
5230         * layout.cc (is_compressible_debug_section): Fix incorrect
5231         comment about compressed section names.
5232
5233 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5234
5235         PR 10419
5236         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5237
5238 2009-07-16  Ian Lance Taylor  <iant@google.com>
5239
5240         PR 10400
5241         * layout.h: #include <map>.
5242         (class Kept_section): Change from struct to class.  Add accessors
5243         and setters.  Add section size to Comdat_group mapping.  Change
5244         Comdat_group to std::map.  Add is_comdat_ field.  Add
5245         linkonce_size field in union.
5246         (class Layout): Update declaration of find_or_add_kept_section.
5247         Don't declare find_kept_object.
5248         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5249         parameter.  Add object, shndx, is_comdat, and is_group_name
5250         parameters.  Change all callers.  Adjust for new Kept_section.
5251         (Layout::find_kept_object): Remove.
5252         * object.cc (Sized_relobj::include_section_group): Update use of
5253         Kept_section.  Rename secnum to shndx.  Only record
5254         Kept_comdat_section if sections are the same size.
5255         (Sized_relobj::include_linkonce_section): Update use of
5256         Kept_section.  Only record Kept_comdat_section if sections are the
5257         same size.  Set size of linkonce section.
5258         (Sized_relobj::map_to_kept_section): Update call to
5259         get_kept_comdat_section.
5260         * object.h (class Sized_relobj): Rename fields in
5261         Kept_comdat_section to drop trailing underscores; change object
5262         field to Relobj*.  Change Kept_comdat_section_table to store
5263         struct rather than pointer.
5264         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5265         Add kept_object and kept_shndx parameters.  Change all callers.
5266         (Sized_relobj::get_kept_comdat_section): Change return type to
5267         bool.  Add kept_object and kept_shndx parameters.  Change all
5268         callers.
5269         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5270         Layout::find_or_add_kept_section.
5271
5272 2009-07-09  Ian Lance Taylor  <iant@google.com>
5273
5274         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5275         Reserve space in the hash table.
5276
5277 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5278
5279         * fileread.cc (File_read::get_mtime): New method.
5280         * fileread.h (Timespec): New structure.
5281         (File_read::get_mtime): New method.
5282         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5283         Renamed from timestamp_nsec.
5284         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5285         Elf_Xword.
5286         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5287         timestamp_nsec.
5288         (Incremental_inputs::report_archive): Save mtime; style fix.
5289         (Incremental_inputs::report_obejct): Save mtime; style fix.
5290         (Incremental_inputs::report_script): Save mtime; style fix.
5291         (Incremental_inputs::finalize_inputs): Style fix.
5292         (Incremental_inputs::finalize): Style fix.
5293         (Incremental_inputs::create_input_section_data): Store inputs
5294         mtime.
5295         * incremental.h (Incremental_inputs::report_script): Add mtime
5296         argument.
5297         (Incremental_inputs::Input_info::Input_info): Intialize only one
5298         union member.
5299         (Incremental_inputs::Input_info::archive): Move to nameless
5300         union.
5301         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5302         (Incremental_inputs::Input_info::script): Move to nameless union.
5303         (Incremental_inputs::mtime): New field.
5304         * script.cc (read_input_script): Pass file mtime to
5305         Incremental_input.
5306         * script.h (Script_info::inputs): Style fix.
5307
5308 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5309
5310         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5311         instead of 32.
5312
5313 2009-06-24  Ian Lance Taylor  <iant@google.com>
5314
5315         PR 10156
5316         * layout.cc (Layout::choose_output_section): If we find an
5317         existing section, update the flags.
5318         (Layout::create_notes): New function, broken out of
5319         Layout::finalize.
5320         (Layout::finalize): Don't create note sections.
5321         (Layout::create_note): Don't crash if linker script discards
5322         section.
5323         (Layout::create_gold_note): Likewise.
5324         (Layout::create_build_id): Likewise.  Don't set
5325         after_input_sections on the section.
5326         (Layout::create_executable_stack_info): Remove target parameter.
5327         Change caller.
5328         * layout.h (class Layout): Declare create_notes.  Update
5329         declaration of create_executable_stack_info.
5330         * gold.cc (queue_middle_tasks): Call create_notes.
5331         * output.cc (Output_section::update_flags_for_input_section): Move
5332         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5333         invalid.
5334         * output.h (Output_data::mark_address_invalid): New function.
5335         (class Output_section): Only declare, not define,
5336         update_flags_for_input_section.  Remove set_flags.
5337
5338 2009-06-24  Ian Lance Taylor  <iant@google.com>
5339
5340         * script-sections.cc (Output_section_definition::
5341         set_section_addresses): Rename shadowing local load_address to
5342         laddr.
5343
5344 2009-06-24  Ian Lance Taylor  <iant@google.com>
5345
5346         PR 10244
5347         * reloc.cc (relocate_sections): Skip empty relocation sections.
5348
5349 2009-06-23  Ian Lance Taylor  <iant@google.com>
5350
5351         PR 10156
5352         * layout.cc (Layout::create_note): Use choose_output_section
5353         rather than make_output_section.
5354
5355 2009-06-23  Ian Lance Taylor  <iant@google.com>
5356
5357         PR 10237
5358         * options.cc (General_options::parse_V): Set printed_version_.
5359         (General_options::General_options): Initialize printed_version_.
5360         * options.h (class General_options): Add printed_version_ field.
5361         * gold.cc (queue_initial_tasks): If there are no input files,
5362         don't give a fatal error if we printed the version information.
5363         (queue_middle_tasks): If using -r with a shared object, give a
5364         fatal error rather than an ordinary error.
5365
5366 2009-06-23  Ian Lance Taylor  <iant@google.com>
5367
5368         PR 10219
5369         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5370         (Layout::make_output_section): Set have_stabstr_section_ if we see
5371         a .stab*str section.
5372         (Layout::finalize): Call link_stabs_sections.
5373         (Layout::link_stabs_sections): New file.
5374         * layout.h (class Layout): Add have_stabstr_section_ field.
5375         Declare link_stabs_sections.
5376
5377 2009-06-23  Doug Kwan  <dougkwan@google.com>
5378
5379         * Makefile.am (libgold_a_LIBADD): New.
5380         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5381         * Makefile.in: Regenerate.
5382         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5383         * configure: Regenerate.
5384         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5385         * fileread.cc: Include sys/state.h
5386         * gold.h: Declare memmem and strndup if found missing.
5387         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5388
5389 2009-06-23  Ian Lance Taylor  <iant@google.com>
5390
5391         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5392         * configure: Rebuild.
5393
5394 2009-06-23  Ian Lance Taylor  <iant@google.com>
5395
5396         PR 10147
5397         * object.cc (Object::section_contents): Don't try to get a view if
5398         the section has length zero.
5399         (Object::handle_gnu_warning_section): If the section is empty, use
5400         the name of the section as the warning.
5401
5402 2009-06-23  Ian Lance Taylor  <iant@google.com>
5403
5404         PR 10133
5405         * stringpool.h (class Stringpool_template): Add optimize_ field.
5406         (Stringpool_template::set_optimize): New function.
5407         * stringpool.cc (Stringpool_template::Stringpool_template):
5408         Initialize optimize_ field.
5409         (Stringpool_template::set_string_offsets): Test local optimize
5410         fild rather than parameter.
5411         * layout.cc (Layout::Layout): Call set_optimize on the section
5412         name stringpool.
5413
5414 2009-06-22  Ian Lance Taylor  <iant@google.com>
5415
5416         PR 10030
5417         * yyscript.y: Parse TARGET.
5418         * script.cc (script_set_target): New function.
5419         * script-c.h (script_set_target): Declare.
5420         * options.cc (General_options::string_to_object_format): Rename
5421         from string_to_object_format in anonymous namespace.  Change
5422         callers.
5423         * options.h (class General_options): Declare
5424         string_to_object_format.
5425
5426 2009-06-22  Ian Lance Taylor  <iant@google.com>
5427
5428         * script-sections.cc (Script_sections::create_segments): Don't put
5429         program headers in a PT_LOAD segment if -n or -N.
5430
5431 2009-06-22  Ian Lance Taylor  <iant@google.com>
5432
5433         PR 10141
5434         * options.h (class General_options): Add -z lazy and -z now.  Sort
5435         -z options into alphabetical order.
5436         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5437
5438 2009-06-21  Ian Lance Taylor  <iant@google.com>
5439
5440         * layout.cc (Layout::make_output_section): Call
5441         Target::new_output_section.
5442         (Layout::attach_allocated_section_to_segment): Put large section
5443         sections in a separate load segment with the large segment flag
5444         set.
5445         (Layout::segment_precedes): Sort large data segments after other
5446         load segments.
5447         (align_file_offset): New static function.
5448         (Layout::set_segment_offsets): Use align_file_offset.
5449         * output.h (class Output_section): Add is_small_section_ and
5450         is_large_section_ fields.
5451         (Output_section::is_small_section): New function.
5452         (Output_section::set_is_small_section):  New function.
5453         (Output_section::is_large_section): New function.
5454         (Output_section::set_is_large_section): New function.
5455         (Output_section::is_large_data_section): New function.
5456         (class Output_segment): Add is_large_data_segment_ field.
5457         (Output_segment::is_large_data_segment): New function.
5458         (Output_segment::set_is_large_data_segment): New function.
5459         * output.cc (Output_section::Output_section): Initialize new
5460         fields.
5461         (Output_segment::Output_segment): Likewise.
5462         (Output_segment::add_output_section): Add assertion that large
5463         data sections always go in large data segments.  Force small data
5464         sections to the end of the list of data sections.  Force small BSS
5465         sections to the start of the list of BSS sections.  For large BSS
5466         sections to the end of the list of BSS sections.
5467         * symtab.h (class Symbol): Declare is_common_shndx.
5468         (Symbol::is_defined): Check Symbol::is_common_shndx.
5469         (Symbol::is_common): Likewise.
5470         (class Symbol_table): Define enum Commons_section_type.  Update
5471         declarations.  Add small_commons_ and large_commons_ fields.
5472         * symtab.cc (Symbol::is_common_shndx): New function.
5473         (Symbol_table::Symbol_table): Initialize new fields.
5474         (Symbol_table::add_from_object): Put small and large common
5475         symbols in the right list.
5476         (Symbol_table::sized_finalized_symbol): Check
5477         Symbol::is_common_shndx.
5478         (Symbol_table::sized_write_globals): Likewise.
5479         * common.cc (Symbol_table::do_allocate_commons): Allocate new
5480         common symbol lists.  Don't call do_allocate_commons_list if the
5481         list is empty.
5482         (Symbol_table::do_allocate_commons_list): Remove is_tls
5483         parameter.  Add comons_section_type parameter.  Change all
5484         callers.  Handle small and large common symbols.
5485         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5486         Symbol::is_common_shndx.
5487         * resolve.cc (symbol_to_bits): Likewise.
5488         * target.h (Target::small_common_shndx): New function.
5489         (Target::small_common_section_flags): New function.
5490         (Target::large_common_shndx): New function.
5491         (Target::large_common_section_flags): New function.
5492         (Target::new_output_section): New function.
5493         (Target::Target_info): Add small_common_shndx, large_common_shndx,
5494         small_common_section_flags, and large_common_section_flags
5495         fields.
5496         (Target::do_new_output_section): New virtual function.
5497         * arm.cc (Target_arm::arm_info): Initialize new fields.
5498         * i386.cc (Target_i386::i386_info): Likewise.
5499         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5500         Likewise.
5501         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5502         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5503         (Target_x86_64::do_new_output_section): New function.
5504         * configure.ac: Define conditional MCMODEL_MEDIUM.
5505         * testsuite/Makefile.am (check_PROGRAMS): Add large.
5506         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5507         (large_LDFLAGS): Define.
5508         * testsuite/large.c: New file.
5509         * testsuite/testfile.cc (Target_test::test_target_info):
5510         Initialize new fields.
5511         * configure, testsuite/Makefile.in: Rebuild.
5512
5513 2009-06-05  Doug Kwan  <dougkwan@google.com>
5514
5515         * Makefile.am (CCFILES): Add target.cc.
5516         * Makefile.in: Regenerate.
5517         * i386.cc (class Target_i386): Define new virtual method to
5518         override do_is_local_label_name in parent.
5519         * object.cc (Sized_relobj::do_count_local_symbols): Discard
5520         local symbols if --discard-locals or -X is given.
5521         * options.h (class General_options): Declare new options
5522         '--discard-locals' and '-X' for discarding locals.
5523         * target.h (class Target): Define new methods is_local_label_name.
5524         Declare new virtual method do_is_local_label_name.
5525         * target.cc: New file.
5526         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5527         (check_SCRIPTS): Add discard_locals_test.sh.
5528         (check_DATA): Add discard_local_tests.syms.
5529         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5530         (discard_local_tests.syms, discard_locals_test.o): New make rules.
5531         * testsuite/Makefile.in: Regenerate.
5532         * testsuite/discard_locals_test.c: New file.
5533         * testsuite/discard_locals_test.sh: Same.
5534
5535 2009-06-05  Doug Kwan  <dougkwan@google.com>
5536
5537         * object.cc (Sized_relobj::Sized_relobj): Initialize
5538         discarded_eh_frame_shndx_ to -1U.
5539         (Sized_relobj::do_layout): Record index of a discard .eh_frame
5540         section.
5541         (Sized_relobj::do_count_local_symbols): Skip local symbols in
5542         a discarded .eh_frame section.
5543         (Sized_relobj::do_finalize_local_symbols): Ditto.
5544         * object.h (class Sized_relobj): Declare new member
5545         discarded_eh_frame_shndx_.
5546         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5547         (local_labels_test.o, local_labels_test): New rules.
5548         * testsuite/Makefile.in: Regenerate.
5549
5550 2009-06-04  Doug Kwan  <dougkwan@google.com>
5551
5552         * layout.cc (Layout::section_name_mapping): Add mapping for
5553         special ARM sections.
5554
5555 2009-06-03  Doug Kwan  <dougkwan@google.com>
5556
5557         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5558         (utils::has_overflow): Same.
5559
5560 2009-06-03  Ian Lance Taylor  <iant@google.com>
5561
5562         * layout.cc (Layout::section_name_mapping): New array, replacing
5563         Layout::linkonce_mapping.
5564         (Layout::section_name_mapping_count): New variable, replacing
5565         Layout::linkonce_mapping_count.
5566         (Layout::linkonce_output_name): Remove.
5567         (Layout::output_section_name): Rewrite.
5568         * layout.h (class Layout): Rename Linkonce_mapping to
5569         Section_name_mapping, linkonce_mapping to section_name_mapping,
5570         linkonce_mapping_count to section_name_mapping_count.  Don't
5571         declare linkonce_output_name.
5572
5573 2009-06-03  Doug Kwan  <dougkwan@google.com>
5574
5575         * gold/arm.cc (namespace utils): New.
5576         (Target_arm::reloc_is_non_pic): Define new method.
5577         (class Arm_relocate_functions): New.
5578         (Target_arm::Relocate::relocate): Handle relocation types used by
5579         Android.
5580
5581 2009-06-03  Ian Lance Taylor  <iant@google.com>
5582
5583         * arm.cc (Target_arm::scan::global): Use || instead of |.
5584
5585 2009-06-02  Doug Kwan  <dougkwan@google.com>
5586
5587         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
5588         issued_non_pic_error_.
5589         (class Target_arm::Scan): Declare new method check_non_pic.
5590         Define new method symbol_needs_plt_entry.
5591         Declare new data member issued_non_pic_error_.
5592         (class Target_arm::Relocate): Declare new method
5593         should_apply_static_reloc.
5594         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5595         (Target_arm::Scan::check_non_pic): Define new method.
5596         (Target_arm::Scan::local): Handle a small subset of reloc types used
5597         by Android.
5598         (Target_arm::Scan::local): Same.
5599         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5600
5601 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
5602
5603         * incremental.cc (Incremental_inputs::report_command_line): Filter
5604         out --incremental-* options.
5605
5606 2009-05-29  Doug Kwan  <dougkwan@google.com>
5607
5608         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5609         template class.
5610         (class Target_arm): Update comment.
5611         (Target_arm::Target_arm): Initialize new data members GOT_,
5612         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5613         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5614         and Target_arm::rel_dyn_section.
5615         Declare new_enum Target_arm::Got_type.
5616         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5617         and DYNBSS_.
5618         Update commments for member do_dynsym_value.
5619         (Target_arm::got_size, Target_arm::plt_section,
5620         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5621         new methods inside class defintion.
5622         (Target_arm::got_section): Define new method.
5623         (Target_arm::rel_dyn_section): Same.
5624         (Output_data_plt_arm): New template class.
5625         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5626         (Output_data_plt_arm:do_adjust_output_section): Define new method.
5627         (Output_data_plt_arm::add_entry): Same.
5628         (Output_data_plt_arm::first_plt_entry): Define new
5629         static data member for PLT instruction template.
5630         (Output_data_plt_arm::plt_entry): Same.
5631         (Output_data_plt_arm::do_write): Define new method.
5632         (Target_arm::make_plt_entry): Same.
5633         (Target_arm::do_finalize_sections): Same.
5634         (Target_arm::do_dynsym_value): Same.
5635
5636 2009-05-28  Doug Kwan  <dougkwan@google.com>
5637
5638         * Makefile.am (TARGETSOURCES): Add arm.cc.
5639         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
5640         * Makefile.in: Regenerate.
5641         * arm.cc: New file.
5642         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
5643
5644 2009-05-26  Doug Kwan  <dougkwan@google.com>
5645
5646         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
5647         (General_options::check_excluded_libs): Strip off directories in
5648         archive name before matching like GNU ld does.
5649         * testsuite/Makefile.am (MOSTLYCLEANFILES,
5650         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
5651         (exclude_libs_test_LDFLAGS): Add linker option
5652         -Wl,--exclude-libs,libexclude_libs_test_3
5653         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5654         an explicit archive without using -l.
5655         (alt/libexclude_libs_test_3.a): New make rule.
5656         * testsuite/Makefile.in: Regenerate.
5657         * testsuite/exclude_libs_test.c : Declare lib3_default().
5658         (main): Call it.
5659         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5660         * exclude_libs_test_3.c: New file.
5661
5662 2009-05-26  Nick Clifton  <nickc@redhat.com>
5663
5664         * po/id.po: New Indonesian translation.
5665         * po/gold.pot: Updated template file.
5666
5667 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
5668
5669         * testsuite/Makefile.am: Add -ffunction-sections to compile
5670         gc_comdat_test files.  Add -Wl,--gc-sections to build
5671         gc_comdat_test.
5672         * testsuite/Makefile.in: Regenerate.
5673         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5674
5675 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
5676
5677         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5678         kept comdat section was garbage collected.
5679         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
5680         * testsuite/Makefile.in: Regenerate.
5681         * testsuite/gc_comdat_test.sh: New file.
5682         * testsuite/gc_comdat_test_1.cc: New file.
5683         * testsuite/gc_comdat_test_2.cc: New file.
5684
5685 2009-05-19  Doug Kwan  <dougkwan@google.com>
5686
5687         * archive.cc (Archive::Archive): Move constructor from archive.h
5688         to here.  Initialize no_export_.
5689         (Archive::get_elf_object_for_member): Set no_export flag of object.
5690         * archive.h (Archive::Archive): Move constructor body to
5691         archive.cc.
5692         (Archive::no_export): New method.
5693         (Archive::no_export_): New field.
5694         * object.h (Object::Object): Initialize no_export_ to false.
5695         (Object::no_export, Object::set_no_export): New methods.
5696         (Object::no_export_): New field.
5697         * options.cc (General_options::parse_exclude_libs): New method.
5698         (General_options::check_excluded_libs) Same.
5699         * options.h (exclude_libs): New option.
5700         (General_options::check_excluded_libs): New method declaration.
5701         (General_options::excluded_libs_): New field.
5702         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
5703         default or protected visibility if an object has no-export flag set.
5704         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
5705         (check_SCRIPTS): Add exclude_libs_test.sh.
5706         (check_DATA): Add exclude_libs_test.syms.
5707         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
5708         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
5709         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
5710         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
5711         (exclude_libs_test.syms, libexclude_libs_test_1.a,
5712         libexclude_libs_test_2.a): New rules.
5713         * testsuite/Makefile.in: Regenerate.
5714         * testsuite/exclude_libs_test.c: New file.
5715         * testsuite/exclude_libs_test.sh: Ditto.
5716         * testsuite/exclude_libs_test_1.c: Ditto.
5717         * testsuite/exclude_libs_test_2.c: Ditto.
5718
5719 2009-05-15  Ian Lance Taylor  <iant@google.com>
5720
5721         * configure.ac: Check for declarations for cases where libiberty.h
5722         checks HAVE_DECL_xxx.
5723         * configure, config.in: Rebuild.
5724
5725 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
5726
5727         * gold.h (Incremental_argument_list): Remove (invalid) forward
5728         declaration.
5729         * incremental.cc (Incremental_inputs::report_achive): New method.
5730         (Incremental_inputs::report_object): New method.
5731         (Incremental_inputs::report_script): New method.
5732         (Incremental_inputs::finalize_inputs): New method.
5733         (Incremental_inputs::finalize): Call finalize_inputs().
5734         (Incremental_inputs::sized_create_incremental_inputs_section_data):
5735         Create inputs entries.
5736         * incremental.h (Incremental_input_type): New enum.
5737         (Incremental_inputs::Incremental_input): Initialize new fields.
5738         (Incremental_inputs::report_inputs): New method.
5739         (Incremental_inputs::report_achive): New method.
5740         (Incremental_inputs::report_object): New method.
5741         (Incremental_inputs::report_script): New method.
5742         (Incremental_inputs::finalize_inputs): New method.
5743         (Incremental_inputs::Input_info): New struct.
5744         (Incremental_inputs::Input_info_map): New typedef.
5745         (Incremental_inputs::lock_): New field.
5746         (Incremental_inputs::Inputs_): New field.
5747         (Incremental_inputs::Inputs_map): New field.
5748         * main.cc (main): Call Incremental_input::report_inputs.
5749         * options.h (Input_argument_list): Typedef moved from
5750         Input_arguments.
5751         (Input_file_group::Files): Remove, use ::Input_argument_list.
5752         (Input_file_group::Input_argument_list): Remove, use
5753         ::Input_argument_list.
5754         * plugin.cc (Plugin_manager::add_input_file): Add error in
5755         incremental build.
5756         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
5757         functions.
5758         * script.cc (read_input_script): Call
5759         Incremental_input::report_script.
5760         * script.h (Script_info): New class.
5761
5762 2009-04-27  Ian Lance Taylor  <iant@google.com>
5763
5764         * x86_64.cc (do_adjust_output_section): Set entsize to
5765         plt_entry_size.
5766
5767 2009-04-23  Elliott Hughes  <enh@google.com>
5768
5769         * output.cc (Output_file::close): After short writes, continue
5770         writing from the correct offset in the buffer being written.
5771
5772 2009-04-23  Chris Demetriou  <cgd@google.com>
5773
5774         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
5775         * configure: Regenerate.
5776         * config.in: Regenerate.
5777         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
5778         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
5779
5780 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
5781
5782         * incremental.cc (Incremental_inputs_header_data): Renamed from
5783         Incremental_input_header_data.
5784         (Incremental_inputs_header_data::data_size): New field.
5785         (Incremental_inputs_header_data::put_input_file_count): Renamed
5786         from input_file_count.
5787         (Incremental_inputs_header_data::put_command_line_offset): Renamed
5788         from command_line_offset.
5789         (Incremental_inputs_header_data::put_reserved): Renamed from
5790         put_reserved.
5791         (Incremental_inputs_entry_data): Renamed from
5792         Incremental_input_entry_data.
5793         (Incremental_inputs_entry_data::data_size): New field.
5794         (Incremental_inputs::report_command_line): New method.
5795         (Incremental_inputs::finalize): New method.
5796         (Incremental_inputs::create_incremental_inputs_data): New method.
5797         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5798         * incremental.h: New file.
5799         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5800        (Layout::finalize): Create incremental inputs section in
5801         incremental builds.
5802        (Layout::create_incremental_info_sections): New method.
5803         * layout.h (Layout::incremental_inputs): New method.
5804        (Layout::create_incremental_info_sections): New method.
5805        (Layout::incremental_inputs_): New field.
5806         * main.cc (main): Notify Incremental_input of the command line.
5807
5808 2009-04-01  Ian Lance Taylor  <iant@google.com>
5809             Mikolaj Zalewski  <mikolajz@google.com>
5810
5811         * gold.h (reserve_unordered_map): Define, three versions, one for
5812         each version of Unordered_map.
5813         * layout.cc (Layout::Layout): Remove options parameter.  Add
5814         number_of_input_files parameter.  Don't initialize options_.
5815         Initialize number_of_input_files_ and resized_signatures_.  Move
5816         sections_are_attached_.
5817         (Layout::layout_group): Reserve space for group_signatures_.
5818         (Layout::find_or_add_kept_section): Change name parameter to be a
5819         reference.  Resize signatures_ map when it gets large enough.
5820         (Layout::layout_eh_frame): Use parameters->options() instead of
5821         this->options_.
5822         (Layout::make_output_section): Likewise.
5823         (Layout::attach_allocated_section_to_segment): Likewise.
5824         (Layout::finalize, Layout::create_executable_stack): Likewise.
5825         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5826         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5827         * layout.h (class Layout): Update declarations.  Remove options_
5828         field.  Add number_of_input_files_ and resized_signatures_
5829         fields.  Move sections_are_attached_ field.
5830         * main.cc (main): Pass number of input files to Layout
5831         constructor.  Don't pass options.
5832
5833 2009-03-30  Ian Lance Taylor  <iant@google.com>
5834
5835         * ffsll.c (ffsll): Correct implementation.
5836
5837 2009-03-27  Ian Lance Taylor  <iant@google.com>
5838
5839         * ffsll.c: New file.
5840         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5841         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5842         * ftruncate.c (ftruncate): Declare before definition.
5843         * mremap.c (mremap): Likewise.
5844         * pread.c (pread): Likewise.
5845         * configure, Makefile.in, config.in: Rebuild.
5846
5847         * mremap.c: New file.
5848         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5849         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5850         (mremap): Declare if HAVE_MREMAP is not defined.
5851         * configure, Makefile.in, config.in: Rebuild.
5852
5853 2009-03-27  Cary Coutant  <ccoutant@google.com>
5854
5855         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5856         position independent.
5857         * sparc.cc (Target_sparc::check_non_pic): Likewise.
5858         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5859
5860 2009-03-24  Cary Coutant  <ccoutant@google.com>
5861
5862         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5863         an executable.
5864         (needs_dynamic_reloc): Likewise.
5865
5866 2009-03-24  Ian Lance Taylor  <iant@google.com>
5867
5868         * yyscript.y (file_cmd): Recognize EXTERN.
5869         (extern_name_list, extern_name_list_body): New nonterminals.
5870         * script.cc (script_add_extern): Define.
5871         * script-c.h (script_add_extern): Declare.
5872
5873 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
5874
5875         * object.cc (is_elf_object): Define.
5876         * object.h (is_elf_object): Declare.
5877         * archive.cc (Archive::get_elf_object_for_member): Call
5878         is_elf_object.
5879         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5880
5881 2009-03-24  Elliott Hughes  <enh@google.com>
5882
5883         * output.cc (Output_file::map_anonymous): Define.
5884         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
5885         try an anonymous one.  Report the size if the mmap fails.
5886         * output.h (class Output_file): Declare map_anonymous.
5887
5888 2009-03-24  Ian Lance Taylor  <iant@google.com>
5889
5890         * target-select.cc (instantiate_target): Don't acquire the lock if
5891         the instantiated_target_ field has already been set.
5892
5893 2009-03-23  Ian Lance Taylor  <iant@google.com>
5894
5895         * gold-threads.h (class Initialize_lock): Define.
5896         * gold-threads.cc (class Initialize_lock_once): Define.
5897         (initialize_lock_control): New static variable.
5898         (initialize_lock_pointer): New static variable.
5899         (initialize_lock_once): New static function.
5900         (Initialize_lock::Initialize_lock): Define.
5901         (Initialize_lock::initialize): Define.
5902         * target-select.h: Include "gold-threads.h".
5903         (class Target_selector): Add lock_ and initialize_lock_ fields.
5904         Don't define instantiate_target, just declare it.
5905         * target-select.cc (Target_selector::Target_selector): Initialize
5906         new fields.
5907         (Target_selector::instantiate_target): Define.
5908         * descriptors.h: Include "gold-threads.h".
5909         (class Descriptors): Add initialize_lock_ field.
5910         * descriptors.cc (Descriptors::Descriptors): Initialize new
5911         field.
5912         (Descriptors::open): Use initialize_lock_ field
5913         * errors.h (class Errors): Add initialize_lock_ field.
5914         * errors.cc (Errors::Errors): Initialize new field.
5915         (Errors::initialize_lock): Use initialize_lock_ field.
5916         * powerpc.cc (class Target_selector_powerpc): Remove
5917         instantiated_target_ field.  In do_recognize call
5918         instantiate_target rather than do_instantiate_target.  In
5919         do_instantiate_target just allocate a new target.
5920         * sparc.cc (class Target_selector_sparc): Likewise.
5921
5922         * freebsd.h: New file.
5923         * i386.cc: Include "freebsd.h".
5924         (Target_i386): Derive from Target_freebsd rather than
5925         Sized_target.
5926         (Target_selector_i386): Derive from Target_selector_freebsd rather
5927         than Target_selector.
5928         * x86_64.cc: Include "freebsd.h".
5929         (Target_x86_64): Derive from Target_freebsd rather than
5930         Sized_target.
5931         (Target_selector_x86_64): Derive from Target_selector_freebsd
5932         rather than Target_selector.
5933         * target.h (class Target): Add adjust_elf_header and
5934         do_adjust_elf_header.
5935         * output.cc (Output_file_header:: do_sized_write): Call target
5936         adjust_elf_header routine.
5937         * configure.tgt: Set targ_osabi.
5938         * configure.ac: Define GOLD_DEFAULT_OSABI.
5939         * parameters.cc (Parameters::default_target): Pass
5940         GOLD_DEFAULT_OSABI to select_target.
5941         * target-select.h (class Target_selector): Make instantiate_target
5942         protected rather than private.
5943         * Makefile.am (HFILES): Add freebsd.h.
5944         * configure, Makefile.in, config.in: Rebuild.
5945
5946         * merge.cc (do_add_input_section): Correct pend value.  Change
5947         message about last entry not being null terminated from error to
5948         warning.
5949
5950 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5951
5952         * incremental.cc: New file.
5953         * Makefile.am (CCFILES): Add incremental.cc.
5954         * Makefile.in: Rebuild.
5955
5956 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5957
5958         * layout.cc (Layout::output_section_name): Preserve names
5959         of '.note.' sections.
5960
5961 2009-03-19  Ian Lance Taylor  <iant@google.com>
5962
5963         * descriptors.cc (Descriptors::open): Check that the options are
5964         valid before using them.
5965
5966 2009-03-18  Ian Lance Taylor  <iant@google.com>
5967
5968         * script-sections.h: Include <list>.
5969         (class Script_sections): Change Sections_elements from std::vector
5970         to std::list.  Typedef public Elements_iterator.  Add
5971         orphan_section_placement_, data_segment_align_start_, and
5972         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5973         field.
5974         * script-sections.cc (class Orphan_section_placement): New class.
5975         (class Sections_element): Add virtual functions is_relro and
5976         orphan_section_init.  Remove virtual function place_orphan_here.
5977         (class Output_section_definition): Add is_relro and
5978         orphan_section_init.  Remove place_orphan_here.
5979         (class Orphan_output_section): Likewise.
5980         (Script_sections::Script_sections): Update for field changes.
5981         (Script_sections::data_segment_align): Set saw_data_segment_align_
5982         and data_segment_align_start_, not data_segment_align_index.
5983         (Script_sections::data_segment_relro_end): Check
5984         saw_data_segment_align_.  Use data_segment_align_start_ rather
5985         than data_segment_align_index_.
5986         (Script_sections::place_orphan): Rewrite to use
5987         Orphan_section_placement.
5988
5989 2009-03-17  Ian Lance Taylor  <iant@google.com>
5990
5991         * archive.cc (Archive::add_symbols): Check for a version attached
5992         to the symbol name in the archive map.
5993         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5994         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5995         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5996         (ver_test_11.a): New target.
5997         * testsuite/Makefile.in: Rebuild.
5998
5999         * configure.ac: Check for chsize and posix_fallocate.  Replace
6000         ftruncate.
6001         * ftruncate.c: New file, from gnulib.
6002         * output.cc (posix_fallocate): Define dummy version if not
6003         HAVE_POSIX_FALLOCATE.
6004         (Output_file::map): Call posix_fallocate rather than lseek and
6005         write.
6006         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6007         * configure, Makefile.in, config.in: Rebuild.
6008
6009 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6010
6011         * layout.h (Layout::create_note): Add section_name parameter.
6012         * layout.cc (Layout::create_note): Likewise.
6013         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6014
6015 2009-03-17  Ian Lance Taylor  <iant@google.com>
6016
6017         * descriptors.cc: Include "options.h".
6018         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6019         (Descriptors::open): Always use O_CLOEXEC when opening a new
6020         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6021         then set FD_CLOEXEC.
6022
6023         * sparc.cc (class Target_sparc): Add has_got_section.
6024         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6025         make sure we have a GOT section.
6026
6027         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6028         (Target_sparc::Scan::local): Likewise.
6029         (Target_sparc::Scan::global): Likewise.
6030         (Target_sparc::Relocate::relocate): Likewise.
6031         (Target_sparc::Relocate::relocate_tls): Likewise.
6032
6033         * symtab.cc (Symbol_table::define_default_version): New function,
6034         broken out of add_from_object.
6035         (Symbol_table::add_from_object): Call define_default_version.
6036         (Symbol_table::define_special_symbol): Add resolve_oldsym
6037         parameter.  Change all callers.  If the version for a symbol comes
6038         from a version script, resolve it with the symbol with the same
6039         name with no version.  Also add the symbol without a version if
6040         appropriate.
6041         (do_define_in_output_data): If resolving with oldsym, don't delete
6042         sym.
6043         (do_define_in_output_segment): Likewise.
6044         (do_define_as_constant): Likewise.
6045         * symtab.h (class Symbol_table): Update declarations.
6046
6047 2009-03-13  Ian Lance Taylor  <iant@google.com>
6048
6049         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6050         (Read_symbols::requeue): New function.
6051         (Read_symbols::do_read_symbols): If make_elf_object fails because
6052         the target type is not configured, and the file was searched for,
6053         issue a warning and retry with the next directory.
6054         (Add_symbols::run): If the file has an incompatible format, and
6055         it was searched for, requeue the Read_symbols task.  On error,
6056         release the object.
6057         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6058         dirindex parameter to constructor.  Change all callers.  Declare
6059         incompatible_warning and requeue.
6060         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6061         input_argument_ and input_group_ fields.  Add them to
6062         constructor.  Change all callers.
6063         (class Read_script): Add dirindex_ field.  Add it to constructor.
6064         Change all callers.
6065         * archive.cc (Archive::setup): Remove input_objects parameter.
6066         Change all callers.
6067         (Archive::get_file_and_offset): Likewise.
6068         (Archive::read_all_symbols): Likewise.
6069         (Archive::read_symbols): Likewise.
6070         (Archive::get_elf_object_for_member): Remove input_objects
6071         parameter.  Add punconfigured parameter.  Change all callers.
6072         (Archive::add_symbols): Change return type to bool.  Check return
6073         value of include_member.
6074         (Archive::include_all_members): Likewise.
6075         (Archive::include_member): Change return type to bool.  Return
6076         false if first included object has incompatible target.  Set
6077         included_member_ field.
6078         (Add_archive_symbols::run): If add_symbols returns false, requeue
6079         Read_symbols task.
6080         * archive.h (class Archive): Add included_member_ field.
6081         Initialize it in constructor.  Add input_file and searched_for
6082         methods.  Update declarations.
6083         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6084         input_argument_ fields.  Add them to constructor.  Change all
6085         callers.
6086         * script.cc: Include "target-select.h".
6087         (class Parser_closure): Add skip_on_incompatible_target_ and
6088         found_incompatible_target_ fields.  Add
6089         skip_on_incompatible_target parameter to constructor.  Change all
6090         callers.  Add methods skip_on_incompatible_target,
6091         clear_skip_on_incompatible_target, found_incompatible_target, and
6092         set_found_incompatible_target.
6093         (read_input_script): Add dirindex parameter.  Change all callers.
6094         If parser finds an incompatible target, requeue Read_symbols
6095         task.
6096         (script_set_symbol): Clear skip_on_incompatible_target in
6097         closure.
6098         (script_add_assertion, script_parse_option): Likewise.
6099         (script_start_sections, script_add_phdr): Likewise.
6100         (script_check_output_format): New function.
6101         * script.h (read_input_script): Update declaration.
6102         * script-c.h (script_check_output_format): Declare.
6103         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6104         (ignore_cmd): Remove OUTPUT_FORMAT.
6105         * fileread.cc (Input_file::Input_file): Add explicit this.
6106         (Input_file::will_search_for): New function.
6107         (Input_file::open): Add pindex parameter.  Change all callers.
6108         * fileread.h (class Input_file): Add input_file_argument method.
6109         Declare will_search_for.  Update declarations.
6110         * object.cc (make_elf_object): Add punconfigured parameter.
6111         Change all callers.
6112         * object.h (class Object): Make input_file public.  Add
6113         searched_for method.
6114         (make_elf_object): Update declaration.
6115         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6116         restart search.
6117         * dirsearch.h (class Dirsearch): Update declaration.
6118         * options.h (class General_options): Add --warn-search-mismatch.
6119         * parameters.cc (Parameters::is_compatible_target): New function.
6120         * parameters.h (class Parameters): Declare is_compatible_target.
6121         * workqueue.cc (Workqueue::add_blocker): New function.
6122         * workqueue.h (class Workqueue): Declare add_blocker.
6123
6124         * fileread.cc (Input_file::open): Remove options parameter.
6125         Change all callers.
6126         (Input_file::open_binary): Likewise.
6127         * script.cc (read_input_script): Likewise.
6128         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6129         options parameter from constructor.  Change all callers.
6130         (class Read_script): Likewise.
6131         * fileread.h (class Input_file): Update declarations.
6132         * script.h (read_input_script): Update declaration.
6133
6134 2009-03-10  Nick Clifton  <nickc@redhat.com>
6135
6136         * po/es.po: New Spanish translation.
6137
6138 2009-03-06  Cary Coutant  <ccoutant@google.com>
6139
6140         * options.cc (parse_short_option): Keep dash_z from registering itself.
6141
6142 2009-03-03  Ian Lance Taylor  <iant@google.com>
6143
6144         PR 9918
6145         * target-reloc.h (relocate_section): Pass output_section to
6146         relocate.
6147         * i386.cc (Target_i386::should_apply_static_reloc): Add
6148         output_section parameter.  Change all callers.
6149         (Target_i386::Relocate::relocate): Add output_section parameter.
6150         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6151         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6152         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6153         * testsuite/two_file_shared.sh: New script.
6154         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6155         (check_DATA): Add two_file_shared.dbg.
6156         (two_file_shared.dbg): New target.
6157         * testsuite/Makefile.in: Rebuild.
6158
6159 2009-03-01  Ian Lance Taylor  <iant@google.com>
6160
6161         * configure.ac: Check for byteswap.h.
6162         * configure: Rebuild.
6163         * config.in: Rebuild.
6164
6165 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6166
6167         * layout.cc (Layout::find_or_add_kept_section): New function.
6168         (Layout::add_comdat): Removed.
6169         * layout.h (struct Kept_section): Move out of class Layout.
6170         Remove trailing underscores from field names.  Add group_sections
6171         field.  Rename group_ field to is_group.  Change all uses.
6172         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6173         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6174         comdat_groups_ field.
6175         (Sized_relobj::include_section_group): Use
6176         find_or_add_kept_section and Kept_section::group_sections.
6177         (Sized_relobj::include_linkonce_section): Likewise.
6178         * object.cc (class Sized_relobj): Don't define Comdat_group or
6179         Comdat_group_table.  Remove find_comdat_group and
6180         add_comdat_group.  Remove comdat_groups_ field.
6181         * plugin.cc (include_comdat_group): Use
6182         Layout::find_or_add_kept_section.
6183
6184 2009-02-28  Ian Lance Taylor  <iant@google.com>
6185
6186         * README: --gc-sections and map files are now supported.  Document
6187         some build requirements.
6188
6189         PR 6992
6190         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6191         relocatable link set the value of the section symbol to zero.
6192         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6193         relocatable link don't include the section address in the local
6194         symbol value.
6195
6196 2009-02-27  Ian Lance Taylor  <iant@google.com>
6197
6198         PR 6811
6199         * options.h (class Search_directory): Add is_system_directory.
6200         (class General_options): Declare is_in_system_directory.
6201         * options.cc (get_relative_sysroot): Make static.
6202         (get_default_sysroot): Make static.
6203         (General_optoins::is_in_system_directory): New function.
6204         * fileread.cc (Input_file::is_in_system_directory): New function.
6205         * fileread.h (class Input_file): Declare is_in_system_directory.
6206         * object.h (class Object): Add is_in_system_directory.
6207         (class Input_objects): Remove system_library_directory_ field.
6208         * object.cc (Input_objects::add_object): Don't set
6209         system_library_directory_.
6210         (input_objects::found_in_system_library_directory): Remove.
6211         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6212         parameter.  Change all callers.
6213         (Symbol_table::sized_write_globals): Likewise.
6214         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6215         Call Object::is_in_system_directory.
6216         * symtab.h (class Symbol_table): Update declarations.
6217
6218         PR 5990
6219         * descriptors.h (Open_descriptor): Add is_on_stack field.
6220         * descriptors.cc (Descriptors::open): If the descriptor is on the
6221         top of the stack, remove it.  Initialize is_on_stack field.
6222         (Descriptors::release): Only add pod to stack if it is not on the
6223         stack already.
6224         (Descriptors::close_some_descriptor): Clear stack_next and
6225         is_on_stack fields.
6226
6227         PR 7091
6228         * output.cc (Output_section::find_starting_output_address): Rename
6229         from starting_output_address; add PADDR parameter; change return
6230         type.
6231         * output.h (class Output_section): Declare
6232         find_starting_output_address instead of starting_output_address.
6233         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6234         section symbol for which we can't find a merge section.
6235
6236         PR 9836
6237         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6238         hidden or internal, force the symbol to be local.
6239         * resolve.cc (Symbol::override_visibility): Define.
6240         (Symbol::override_base): Use override_visibility.
6241         (Symbol_table::resolve): Likewise.
6242         (Symbol::override_base_with_special): Likewise.
6243         (Symbol_table::override_with_special): If the visibility is hidden
6244         or internal, force the symbol to be local.
6245         * symtab.h (class Symbol): Add set_visibility and
6246         override_visibility.
6247         * testsuite/ver_test_1.sh: New file.
6248         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6249         (check_DATA): Add ver_test_1.syms.
6250         (ver_test_1.syms): New target.
6251         * testsuite/Makefile.in: Rebuild.
6252
6253 2009-02-25  Cary Coutant  <ccoutant@google.com>
6254
6255         * layout.cc (Layout::choose_output_section): Don't rename sections
6256         when using a linker script that has a SECTIONS clause.
6257         * Makefile.in: Regenerate.
6258
6259         * testsuite/Makefile.am (script_test_5.sh): New test case.
6260         * testsuite/Makefile.in: Regenerate.
6261         * testsuite/script_test_5.cc: New file.
6262         * testsuite/script_test_5.sh: New file.
6263         * testsuite/script_test_5.t: New file.
6264
6265 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6266
6267         * archive.cc (Archive::include_member): Update calls to add_symbols.
6268         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6269         the Layout argument.
6270         * dynobj.h (do_add_symbols): Add the Layout argument.
6271         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6272         Layout argument.
6273         * object.h (Object::add_symbols): Add the Layout argument.
6274         (Object::do_add_symbols): Add the Layout argument.
6275         (Sized_relobj::do_add_symbols): Add the Layout argument.
6276         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6277         Unify the two versions.
6278         (Add_plugin_symbols): Remove.
6279         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6280         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6281         (Add_plugin_symbols): Remove.
6282         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6283         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6284         (Add_symbols::run): Make it work with Pulginobj.
6285
6286 2009-02-06  Ian Lance Taylor  <iant@google.com>
6287
6288         * object.cc (Sized_relobj::do_layout): Make info message start
6289         with lower case letter.
6290
6291 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6292
6293         * binary.cc: Fix file comment.
6294
6295         * options.h (enum Incremental_disposition): Define.
6296         (class General_options): Add new options: --incremental,
6297         --incremental_changed, --incremental_unchanged,
6298         --incremental_unknown.  Add incremental_disposition_ and
6299         implicit_incremental_ fields.
6300         (General_options::incremental_disposition): New function.
6301         (class Position_dependent_options): Add incremental_disposition
6302         option.
6303         (Position_dependent_options::copy_from_options): Set incremental
6304         dispositions.
6305         * options.cc (General_options::parse_incremental_changed): New
6306         function.
6307         (General_options::parse_incremental_unchanged): New function.
6308         (General_options::parse_incremental_unknown): New function.
6309         (General_options::General_options): Initialize new fields
6310         incremental_disposition_ and implicit_incremental_.
6311         (General_options::finalize): Check for uasge of --incremental-*
6312         without --incremental.
6313
6314 2009-02-06  Chris Demetriou  <cgd@google.com>
6315
6316         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6317         pointer and to report location as the file name associated with
6318         the symbol.
6319         (gold_undefined_symbol_at_location): New function to replace the
6320         old gold_undefined_symbol functionality.
6321         * target-reloc.h (relocate_section): Update to use
6322         gold_undefined_symbol_at_location.
6323         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6324         Call gold_undefined_symbol function rather than gold_error.
6325         * errors.h (Errors::undefined_symbol): Take location as a
6326         string, rather than calculating it from a relocation.
6327         * errors.cc (Errors::fatal): Print "fatal error:" before the
6328         formatted message.
6329         (Errors::error, Errors::error_at_location): Print "error: "
6330         before the formatted message.
6331         (Errors::undefined_symbol): Take location as a string, rather
6332         than calculating it from a relocation.
6333         (gold_undefined_symbol_at_location): New function akin to
6334         old gold_undefined_symbol, calculates location from relocation.
6335         (gold_undefined_symbol): Change to take only a Symbol pointer
6336         and to report location as the file name associated with the symbol.
6337         * testsuite/debug_msg.sh: Update for changed error messages.
6338         * testsuite/undef_symbol.sh: Likewise.
6339
6340 2009-02-04  Duncan Sands  <baldrick@free.fr>
6341
6342         PR 9812
6343         * reduced_debug_output.h
6344         (Output_reduced_debug_abbrev_section::failed): Use format for
6345         gold_warning.
6346         (Output_reduced_debug_info_section::faild): Likewise.
6347
6348 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6349
6350         * script.cc (Lazy_demangler): New class.
6351         (Version_script_info::get_symbol_version_helper): Demangle a
6352         symbol only once.
6353
6354 2009-01-29  Cary Coutant  <ccoutant@google.com>
6355
6356         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6357         to __tls_get_addr.
6358         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6359
6360 2009-01-28  Ian Lance Taylor  <iant@google.com>
6361
6362         * version.cc (version_string): Bump to 1.9.
6363
6364         * gold.h: Include <cstring> and <stdint.h>.
6365         * version.cc: Include <cstdio>.
6366         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6367         warning.
6368         * reduced_debug_output.cc (insert_into_vector): Rename from
6369         Insert_into_vector; change all callers.  Use Swap_unaligned to
6370         avoid aliasing issue; remove union since it is unnecessary.
6371
6372 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6373
6374         * Makefile.am (CCFILES): Add gc.cc.
6375         (HFILES): Add gc.h.
6376         * Makefile.in: Regenerate.
6377         * gold.cc (Gc_runner): New class.
6378         (queue_initial_tasks): Call garbage collection related tasks
6379         when corresponding options are invoked.
6380         (queue_middle_gc_tasks): New function.
6381         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6382         processed early before laying out sections during garbage collection.
6383         * gold.h (queue_middle_gc_tasks): New function.
6384         (is_prefix_of): Move from "layout.cc".
6385         * i386.cc (Target_i386::gc_process_relocs): New function.
6386         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6387         * main.cc (main): Create object of class "Garbage_collection".
6388         * object.cc (Relobj::copy_symbols_data): New function.
6389         (Relobj::is_section_name_included): New function.
6390         (Sized_relobj::do_layout): Allow this function to be called twice
6391         during garbage collection and defer layout of section during the
6392         first call.
6393         * object.h (Relobj::get_symbols_data): New function.
6394         (Relobj::is_section_name_included): New function.
6395         (Relobj::copy_symbols_data): New function.
6396         (Relobj::set_symbols_data): New function.
6397         (Relobj::get_relocs_data): New function.
6398         (Relobj::set_relocs_data): New function.
6399         (Relobj::is_output_section_offset_invalid): New pure virtual function.
6400         (Relobj::gc_process_relocs): New function.
6401         (Relobj::do_gc_process_relocs): New pure virtual function.
6402         (Relobj::sd_): New data member.
6403         (Sized_relobj::is_output_section_offset_invalid): New function.
6404         (Sized_relobj::do_gc_process_relocs): New function.
6405         * options.h (General_options::gc_sections): Modify to not be a no-op.
6406         (General_options::print_gc_sections): New option.
6407         * plugin.cc (Plugin_finish::run): Remove function call to
6408         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
6409         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6410         * reloc.cc (Read_relocs::run): Add task to process relocs and
6411         determine unreferenced sections when doing garbage collection.
6412         (Gc_process_relocs): New class.
6413         (Sized_relobj::do_gc_process_relocs): New function.
6414         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6415         sections that are garbage collected.
6416         * reloc.h (Gc_process_relocs): New class.
6417         * sparc.cc (Target_sparc::gc_process_relocs): New function.
6418         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6419         symbols whose corresponding sections are garbage collected.
6420         (Symbol_table::Symbol_table): Add new parameter for the garbage
6421         collection object.
6422         (Symbol_table::gc_mark_undef_symbols): New function.
6423         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6424         (Symbol_table::gc_mark_dyn_syms): New function.
6425         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6426         as garbage.
6427         (Symbol_table::add_from_object): Likewise.
6428         (Symbol_table::add_from_relobj): When building shared objects, do not
6429         treat externally visible symbols as garbage.
6430         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6431         table information for static and relocatable links.
6432         * symtab.h (Symbol_table::set_gc): New function.
6433         (Symbol_table::gc): New function.
6434         (Symbol_table::gc_mark_undef_symbols): New function.
6435         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6436         (Symbol_table::gc_mark_dyn_syms): New function.
6437         (Symbol_table::gc_): New data member.
6438         * target.h (Sized_target::gc_process_relocs): New pure virtual
6439         function.
6440         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6441         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6442
6443 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
6444
6445         * options.h (General_options::gc_sections): Define as a no-op for now.
6446         (General_options::no_keep_memory): Ditto.
6447         (General_options::Bshareable): Define.
6448         * options.cc (General_options::finalize): Honor -Bshareable.
6449
6450 2009-01-20  Andreas Schwab  <schwab@suse.de>
6451
6452         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6453         read the value in the contents, since we don't use it.  Use the
6454         template endianness when writing.
6455         (Relocate::relocate): Use it for R_PPC_REL16_HA.
6456
6457 2009-01-19  Andreas Schwab  <schwab@suse.de>
6458
6459         * configure.tgt (powerpc64-*): Fix targ_obj.
6460
6461 2009-01-15  Ian Lance Taylor  <iant@google.com>
6462
6463         * object.cc (Sized_relobj::write_local_symbols): Don't write out
6464         local symbols when stripping all symbols.
6465
6466 2009-01-14  Cary Coutant  <ccoutant@google.com>
6467
6468         * output.cc (Output_reloc): Add explicit instantiations.
6469
6470 2009-01-14  Cary Coutant  <ccoutant@google.com>
6471
6472         * archive.cc (Archive::get_elf_object_for_member): Remove call
6473         to File_read::claim_for_plugin.
6474         * descriptors.cc (Descriptors::open): Remove reference to
6475         is_claimed.
6476         (Descriptors::claim_for_plugin): Remove.
6477         * descriptors.h (Descriptors::claim_for_plugin): Remove.
6478         (Descriptors::is_claimed): Remove.
6479         (claim_descriptor_for_plugin): Remove.
6480         * fileread.cc (File_read::claim_for_plugin): Remove.
6481         * fileread.h (File_read::claim_for_plugin): Remove.
6482         (File_read::descriptor): Reopen descriptor if necessary.
6483         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
6484         (Plugin_manager::all_symbols_read): Add task parameter. Change
6485         all callers.
6486         (Plugin_manager::get_input_file): New function.
6487         (Plugin_manager::release_input_file): New function.
6488         (Pluginobj::Pluginobj): Add filesize parameter and initialize
6489         corresponding data member.
6490         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6491         and pass to base constructor. Change all callers.
6492         (get_input_file, release_input_file): New functions.
6493         (make_sized_plugin_object): Add filesize parameter. Change all callers.
6494         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6495         (Plugin_manager::all_symbols_read): Add task parameter.
6496         (Plugin_manager::get_input_file): New function.
6497         (Plugin_manager::release_input_file): New function.
6498         (Plugin_manager::task_): New data member.
6499         (Pluginobj::Pluginobj): Add filesize parameter.
6500         (Pluginobj::filename): New function.
6501         (Pluginobj::descriptor): New function.
6502         (Pluginobj::filesize): New function.
6503         (Pluginobj::filesize_): New data member.
6504         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6505         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6506         File_read::claim_for_plugin; use Object::unlock to unlock the file.
6507
6508         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6509         with archive libraries.
6510         * testsuite/Makefile.in: Regenerate.
6511         * testsuite/plugin_test.c (struct sym_info): New type.
6512         (get_input_file, release_input_file): New static variables.
6513         (onload): Capture new transfer vector entries.
6514         (claim_file_hook): Stop reading at end of file according to filesize.
6515         Factor out parsing of readelf output into separate function.
6516         (all_symbols_read_hook): Exercise get_input_file and release_input_file
6517         APIs and get the source file name from the symbol table.  Convert
6518         source file name to corresponding object file name.  Print info
6519         message when adding new input files.
6520         (parse_readelf_line): New function.
6521         * testsuite/plugin_test_1.sh: Add checks for new info messages.
6522         * testsuite/plugin_test_2.sh: Likewise.
6523         * testsuite/plugin_test_3.sh: Likewise.
6524         * testsuite/plugin_test_4.sh: New test case.
6525
6526 2009-01-07  Ian Lance Taylor  <iant@google.com>
6527
6528         * version.cc (version_string): Bump to 1.8.
6529
6530 2008-12-23  Cary Coutant  <ccoutant@google.com>
6531
6532         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6533         * plugin.cc (Plugin_manager::finish): Rename as
6534         layout_deferred_objects.  Move cleanup to separate function.
6535         (Plugin_manager::cleanup): New function.
6536         (Plugin_finish::run): Call layout_deferred_objects and cleanup
6537         separately.
6538         * plugin.h (Plugin_manager::finish): Rename as
6539         layout_deferred_objects.
6540         (Plugin_manager::cleanup): New function.
6541         (Plugin_manager::cleanup_done): New field.
6542
6543 2008-12-23  Cary Coutant  <ccoutant@google.com>
6544
6545         * plugin.cc (is_visible_from_outside): New function.
6546         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6547         so we don't return "IR only" status for exported symbols or -r links.
6548
6549         * testsuite/Makefile.am (plugin_test_3): New test case.
6550         * testsuite/Makefile.in: Regenerate.
6551         * testsuite/plugin_test_3.sh: New file.
6552
6553 2008-12-22  Cary Coutant  <ccoutant@google.com>
6554
6555         * object.cc (Sized_relobj::layout_section): New function.
6556         (Sized_relobj::do_layout): Defer layout of input sections until after
6557         plugin has provided replacement files.
6558         (Sized_relobj::do_layout_deferred_sections): New function.
6559         * object.h (Relobj::set_section_offset): Remove virtual keyword.
6560         (Relobj::layout_deferred_sections): New function.
6561         (Relobj::do_layout_deferred_sections): New function.
6562         (Sized_relobj::do_layout_deferred_sections): New function.
6563         (Sized_relobj::layout_section): New function.
6564         (Sized_relobj::Deferred_layout): New structure.
6565         (Sized_relobj::deferred_layout_): New field.
6566         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6567         Change all callers.  Layout deferred sections.
6568         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
6569         references.
6570         (Plugin_hook::run): Move code from do_plugin_hook inline.
6571         (Plugin_hook::do_plugin_hook): Remove.
6572         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6573         (Plugin_manager::finish): Renamed, was cleanup.
6574         (Plugin_manager::should_defer_layout): New function.
6575         (Plugin_manager::add_deferred_layout_object): New function.
6576         (Plugin_manager::Deferred_layout_list): New type.
6577         (Plugin_manager::deferred_layout_objects_): New field.
6578         (Plugin_hook::do_plugin_hook): Remove.
6579
6580 2008-12-17  Ian Lance Taylor  <iant@google.com>
6581
6582         * options.h (class General_options): Add --no case for
6583         --export-dynamic.
6584
6585 2008-12-16  Cary Coutant  <ccoutant@google.com>
6586
6587         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6588         vector.
6589         (Plugin_manager::claim_file): Create plugin object even if
6590         plugin did not call the add_symbols callback.
6591         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6592         asking for more symbols than were added.
6593         * testsuite/Makefile.am (plugin_test_1): Add test case with
6594         no global symbols.
6595         (empty.syms): New target.
6596         * testsuite/Makefile.in: Regenerate.
6597         * testsuite/plugin_test.c (claim_file_hook): Add new debug
6598         message. Don't call add_symbols if no globals.
6599         (all_symbols_read_hook): Don't provide replacement for empty
6600         claimed file.
6601
6602 2008-12-12  Ian Lance Taylor  <iant@google.com>
6603
6604         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6605         r_type == 0 for a local symbol with r_sym == 0.
6606         (scan_relocatable_relocs): Pass r_sym to
6607         local_non_section_strategy.
6608         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6609         r_sym parameter.
6610
6611         * configure.ac: Update test for TLS descriptors: they are
6612         supported as of glibc 2.9.
6613         * configure: Rebuild.
6614
6615 2008-12-11  Ian Lance Taylor  <iant@google.com>
6616
6617         PR 7091
6618         * target-reloc.h (Default_scan_relocatable_relocs): For each
6619         function, map r_type == 0 to RELOC_DISCARD.
6620
6621 2008-12-10  Cary Coutant  <ccoutant@google.com>
6622
6623         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6624         object to override a kept COMDAT group from a plugin object.
6625
6626 2008-12-09  Ian Lance Taylor  <iant@google.com>
6627
6628         PR 7088
6629         * yyscript.y (file_cmd): Handle INPUT.
6630
6631         * testsuite/initpri1.c: Change all declarations to be full
6632         prototypes by adding void, to avoid compiler warnings.
6633
6634 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
6635
6636         * options.cc (General_options::parse_plugin_opt): New.
6637         (General_options::add_plugin): The argument now is just the filename.
6638         (General_options::add_plugin_option): New.
6639         * options.h (plugin_opt): New.
6640         (add_plugin): Change argument name.
6641         (add_plugin_option): New.
6642         * plugin.cc (Plugin::load): Don't parse the plugin option.
6643         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
6644         (Plugin::add_option): New.
6645         (Plugin::args_): Change type.
6646         (Plugin::filename_): New.
6647         (Plugin_manager::add_plugin_option): New.
6648         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
6649         * testsuite/Makefile.in: Regenerate.
6650
6651 2008-12-05  Cary Coutant  <ccoutant@google.com>
6652
6653         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6654         Handle --strip-lto-sections option.
6655         * options.h (strip_lto_sections): New option.
6656
6657 2008-12-01  Cary Coutant  <ccoutant@google.com>
6658
6659         * plugin.cc (ld_plugin_message): Change format parameter to const.
6660         Fix mismatch between new[] and delete.
6661
6662 2008-11-14  Cary Coutant  <ccoutant@google.com>
6663
6664         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6665         instead of -1U.
6666
6667 2008-11-05  Craig Silverstein  <csilvers@google.com>
6668
6669         * options.cc (General_options::parse_dynamic_list): New function.
6670         * options.h (General_options): New flags dynamic_list,
6671         dynamic_list_data, dynamic_list_cpp_new, and
6672         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
6673         (General_options::in_dynamic_list): New function.
6674         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6675         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6676         (Lex::can_continue_name): Likewise.
6677         (yylex): Likewise.
6678         (read_script_file): New parameter script_options.
6679         (read_dynamic_list): New function.
6680         (Script_options::define_dynamic_list): New function.
6681         (dynamic_list_keyword_parsecodes): New variable.
6682         (dynamic_list_keywords): New variable.
6683         * script.h (Script_options::define_dynamic_list): New function
6684         prototype.
6685         (read_dynamic_list): New function prototype.
6686         * symtab.cc (strprefix): New macro.
6687         (Symbol::should_add_dynsym_entry): Support dynamic_list,
6688         dynamic_list_data, dynamic_list_cpp_new, and
6689         dynamic_list_cpp_typeinfo.
6690         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
6691         (dynamic_list_expr): New rule.
6692         (dynamic_list_nodes): Likewise.
6693         (dynamic_list_node): Likewise.
6694         * testsuite/Makefile.am (dynamic_list): New test.
6695         * testsuite/Makefile.in: Regenerated.
6696         * testsuite/dynamic_list.t: New file.
6697         * testsuite/dynamic_list.sh: New file.
6698
6699 2008-11-05  Craig Silverstein  <csilvers@google.com>
6700
6701         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
6702         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
6703         (t11_last): Likewise.
6704         * testsuite/ver_test_6.c (main): Likewise.
6705
6706 2008-10-07  Cary Coutant  <ccoutant@google.com>
6707
6708         * options.c (General_options::finalize): Add check for -static and
6709         -shared.
6710         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
6711         is not empty.
6712
6713 2008-10-02  Cary Coutant  <ccoutant@google.com>
6714
6715         * plugin.cc (make_sized_plugin_object): Fix conditional
6716         compilation to work when not all targets are enabled.
6717
6718 2008-09-29  Cary Coutant  <ccoutant@google.com>
6719
6720         * archive.cc (Archive::get_file_and_offset): Use filename instead
6721         of name to get library path.
6722         (Archive::include_member): Unlock external member of a thin archive.
6723
6724         * testsuite/Makefile.am (TEST_AR): New variable.
6725         (thin_archive_test_1): New test.
6726         (thin_archive_test_2): New test.
6727         * testsuite/Makefile.in: Regenerate.
6728         * testsuite/thin_archive_main.cc: New file.
6729         * testsuite/thin_archive_test_1.cc: New file.
6730         * testsuite/thin_archive_test_2.cc: New file.
6731         * testsuite/thin_archive_test_3.cc: New file.
6732         * testsuite/thin_archive_test_4.cc: New file.
6733
6734 2008-09-29  Cary Coutant  <ccoutant@google.com>
6735
6736         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
6737         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
6738         instead of -1U.
6739         (Sized_relobj::do_finalize_local_symbols): Likewise.
6740         (Sized_relobj::map_to_kept_section): Likewise.
6741         * object.h (Sized_relobj::invalid_address): New constant.
6742         (Sized_relobj::do_output_section_offset): Check for invalid_address
6743         and return -1ULL.
6744         * output.cc (Output_reloc::local_section_offset): Use constant
6745         invalid_address instead of -1U.
6746         (Output_reloc::get_address): Likewise.
6747         (Output_section::output_address): Change -1U to -1ULL.
6748         * output.h (Output_reloc::invalid_address): New constant.
6749         * reloc.cc (Sized_relobj::write_sections): Use constant
6750         invalid_address instead of -1U.
6751         (Sized_relobj::relocate_sections): Likewise.
6752         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
6753         values for merge sections.
6754         * target-reloc.h (relocate_for_relocatable): Use constant
6755         invalid_address instead of -1U.
6756
6757 2008-09-19  Cary Coutant  <ccoutant@google.com>
6758
6759         Add plugin functionality for link-time optimization (LTO).
6760         * configure.ac (plugins): Add --enable-plugins option.
6761         * configure: Regenerate.
6762         * config.in: Regenerate.
6763         * Makefile.am (LIBDL): New variable.
6764         (CCFILES): Add plugin.cc.
6765         (HFILES): Add plugin.h.
6766         (ldadd_var): Add LIBDL.
6767         * Makefile.in: Regenerate.
6768
6769         * archive.cc: Include "plugin.h".
6770         (Archive::setup): Don't preread archive symbols when using a plugin.
6771         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
6772         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
6773         files.
6774         (Archive::include_member): Add symbols from plugin objects.
6775         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
6776         * descriptors.cc (Descriptors::open): Check for file descriptors
6777         abandoned by plugins.
6778         (Descriptors::claim_for_plugin): New function.
6779         * descriptors.h (Descriptors::claim_for_plugin): New function.
6780         (Open_descriptor::is_claimed): New field.
6781         (claim_descriptor_for_plugin): New function.
6782         * fileread.cc (File_read::claim_for_plugin): New function.
6783         * fileread.h (File_read::claim_for_plugin): New function.
6784         (File_read::descriptor): New function.
6785         * gold.cc: Include "plugin.h".
6786         (queue_initial_tasks): Add task to call plugin hooks for generating
6787         new object files.
6788         * main.cc: Include "plugin.h".
6789         (main): Load plugin libraries.
6790         * object.h (Pluginobj): Declare.
6791         (Object::pluginobj): New function.
6792         (Object::do_pluginobj): New function.
6793         (Object::set_target): New function.
6794         * options.cc: Include "plugin.h".
6795         (General_options::parse_plugin): New function.
6796         (General_options::General_options): Initialize plugins_ field.
6797         (General_options::add_plugin): New function.
6798         * options.h (Plugin_manager): Declare.
6799         (General_options): Add --plugin option.
6800         (General_options::has_plugins): New function.
6801         (General_options::plugins): New function.
6802         (General_options::add_plugin): New function.
6803         (General_options::plugins_): New field.
6804         * plugin.cc: New file.
6805         * plugin.h: New file.
6806         * readsyms.cc: Include "plugin.h".
6807         (Read_symbols::do_read_symbols): Check for archive before checking
6808         for ELF file.  Call plugin hooks to claim files.
6809         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6810         from a real object file; force override when processing replacement
6811         files.
6812         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6813         (Symbol::init_base_object): Likewise.
6814         (Symbol::init_base_output_data): Likewise.
6815         (Symbol::init_base_output_segment): Likewise.
6816         (Symbol::init_base_constant): Likewise.
6817         (Symbol::init_base_undefined): Likewise.
6818         (Symbol::output_section): Assert that object is not a plugin.
6819         (Symbol_table::add_from_pluginobj): New function.
6820         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6821         undefined.
6822         (Symbol_table::sized_write_globals): Likewise.
6823         (Symbol_table::add_from_pluginobj): Instantiate template.
6824         * symtab.h (Sized_pluginobj): Declare.
6825         (Symbol::in_real_elf): New function.
6826         (Symbol::set_in_real_elf): New function.
6827         (Symbol::in_real_elf_): New field.
6828         (Symbol_table::add_from_pluginobj): New function.
6829
6830         * testsuite/Makefile.am (AM_CFLAGS): New variable.
6831         (LIBDL): New variable.
6832         (LDADD): Add LIBDL.
6833         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6834         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6835         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6836         (MOSTLYCLEANFILES): Likewise.
6837         * testsuite/Makefile.in: Regenerate.
6838         * testsuite/plugin_test.c: New file.
6839         * testsuite/plugin_test_1.sh: New file.
6840         * testsuite/plugin_test_2.sh: New file.
6841
6842 2008-09-16  Ian Lance Taylor  <iant@google.com>
6843
6844         * target-reloc.h (relocate_section): Check whether a symbol is
6845         defined by the ABI before reporting an undefined symbol error.
6846         * target.h (Target::is_defined_by_abi): Make parameter const.
6847         (Target::do_is_defined_by_abi): Likewise.
6848         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6849         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6850         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6851         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6852         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6853         * testsuite/Makefile.in: Rebuild.
6854
6855         * fileread.cc (make_view): Add casts to avoid warning.
6856
6857 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6858
6859         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6860         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6861
6862 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
6863
6864         * options.h (General_options::output_is_executable): New.
6865         (General_options::output_is_pie): New.
6866         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6867         for shared libraries.
6868         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6869
6870 2008-09-11  Chris Demetriou  <cgd@google.com>
6871
6872         * options.h (origin): New -z option.
6873         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6874         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6875         in DT_FLAGS_1.
6876
6877 2008-09-05  Cary Coutant  <ccoutant@google.com>
6878
6879         * fileread.cc (File_read::make_view): Add check for attempt to map
6880         beyond end of file.
6881
6882 2008-09-05  Cary Coutant  <ccoutant@google.com>
6883
6884         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6885         explicit instantiations.
6886
6887 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
6888
6889         PR gold/6858
6890         * options.cc (General_options::finalize): Allow undefined symbols
6891         in shlibs if linking -shared.
6892
6893         PR gold/6859
6894         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6895         symbols as not needing a dynsym entry.
6896
6897 2008-08-20  Craig Silverstein  <csilvers@google.com>
6898
6899         * fileread.cc (File_read::open): Do not lock the file unless it
6900         was successfully opened.
6901
6902 2008-08-14  Cary Coutant  <ccoutant@google.com>
6903
6904         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6905         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6906         * testsuite/tls_test.cc (struct int128): 128-bit struct
6907         for testing TLS relocs with non-zero addend.
6908         (v12): New TLS variable.
6909         (t12): New test.
6910         (t_last): Add check for v12.
6911         * testsuite/tls_test.h (t12): New function.
6912         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6913
6914 2008-08-13  Ian Lance Taylor  <iant@google.com>
6915
6916         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6917         set tls_segment_ or relro_segment_.
6918         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6919         when appropriate.
6920         * output.h (Output_section::clear_is_relro): New function.
6921         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6922         sections specially even when output_data_ is empty.
6923         (Output_segment::maximum_alignment): When first section is relro,
6924         only force alignment for PT_LOAD segments.
6925         * script.cc (script_data_segment_align): New function.
6926         (script_data_segment_relro_end): New function.
6927         * script-c.h (script_data_segment_align): Declare.
6928         (script_data_segment_relro_end): Declare.
6929         * script-sections.h (class Script_sections): Declare
6930         data_segment_align and data_segment_relro_end.  Add fields
6931         segment_align_index_ and saw_relro_end_.
6932         * script-sections.cc (class Sections_element): Add set_is_relro
6933         virtual function.  Add new bool* parameter to place_orphan_here.
6934         Add get_output_section virtual function.
6935         (class Output_section_definition): Add set_is_relro.  Add new
6936         bool* parameter to place_orphan_here.  Add get_output_section.
6937         Add is_relro_ field.
6938         (Output_section_definition::Output_section_definition): Initialize
6939         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6940         and is_relro_ fields.
6941         (Output_section_definition::place_orphan_here): Add is_relro
6942         parameter.
6943         (Output_section_definition::set_section_addresses): Set relro for
6944         output section.
6945         (Output_section_definition::alternate_constraint): Likewise.
6946         (class Orphan_output_section): Add new bool* parameter to
6947         place_orphan_here.  Add get_output_section.
6948         (Orphan_output_section::place_orphan_here): Add is_relro
6949         parameter.
6950         (Script_sections::Script_sections): Initialize
6951         data_segment_align_index_ and saw_relro_end_.
6952         (Script_sections::data_segment_align): New function.
6953         (Script_sections::data_segment_relro_end): New function.
6954         (Script_sections::place_orphan): Set or clear is_relro.
6955         (Script_sections::set_section_addresses): Force alignment of first
6956         TLS section.
6957         * yyscript.y (exp): Call script_data_segment_align and
6958         script_data_segment_relro_end.
6959         * testsuite/relro_script_test.t: New file.
6960         * testsuite/relro_test.cc (using_script): Declare.
6961         (t1, t2): Test using_script.
6962         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6963         (relro_script_test_SOURCES): Define.
6964         (relro_script_test_DEPENDENCIES): Define.
6965         (relro_script_test_LDFLAGS): Define.
6966         (relro_script_test_LDADD): Define.
6967         (relro_script_test.so): New target.
6968         * testsuite/Makefile.in: Rebuild.
6969
6970 2008-08-06  Cary Coutant <ccoutant@google.com>
6971
6972         * archive.cc (Archive::total_archives, Archive::total_members)
6973         (Archive::total_members_loaded): New variables.
6974         (Archive::setup): Add parameter.  Add option to preread
6975         archive symbols.
6976         (Archive::read_armap): Add counter.
6977         (Archive::get_file_and_offset): New function.
6978         (Archive::get_elf_object_for_member): New function.
6979         (Archive::read_all_symbols): New function.
6980         (Archive::read_symbols): New function.
6981         (Archive::add_symbols): Add counters.
6982         (Archive::include_all_members): Use armap to find members if it's
6983         already built.
6984         (Archive::include_member): Skip reading symbols if already read.
6985         Factored code into Archive::get_file_and_offset and
6986         Archive::get_elf_object_for_member.  Changed call to
6987         Mapfile::report_include_archive_member.
6988         (Archive::print_stats): New function.
6989         * archive.h: Declare Object and Read_symbols_data classes.
6990         (Archive::Archive): Add initializers for new members.
6991         (Archive::setup): Add parameter.
6992         (Archive::print_stats): New function.
6993         (Archive::total_archives, Archive::total_members)
6994         (Archive::total_members_loaded): New variables.
6995         (Archive::get_file_and_offset): New function.
6996         (Archive::get_elf_object_for_member): New function.
6997         (Archive::read_all_symbols): New function.
6998         (Archive::read_symbols): New function.
6999         (Archive::Archive_member): New class.
7000         (Archive::members_): New member.
7001         (Archive::num_members_): New member.
7002         * main.cc: Include archive.h.
7003         (main): Call Archive::print_stats.
7004         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7005         archive parameter; member_name is now the fully-decorated name.
7006         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7007         * options.h: (General_options): Add --preread-archive-symbols option.
7008         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7009         Archive::setup.
7010
7011 2008-08-04  Ian Lance Taylor  <iant@google.com>
7012
7013         * symtab.h (Symbol::use_plt_offset): New function.
7014         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7015         * powerpc.cc (Relocate::relocate): Likewise.
7016         * sparc.cc (Relocate::relocate): Likewise.
7017         * x86_64.cc (Relocate::relocate): Likewise.
7018         * testsuite/weak_plt.sh: New test.
7019         * testsuite/weak_plt_main.cc: New test.
7020         * testsuite/weak_plt_shared.cc: New test.
7021         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7022         (check_PROGRAMS): Add weak_plt.
7023         (check_DATA): Add weak_plt_shared.so.
7024         (weak_plt_main_pic.o, weak_plt): New targets.
7025         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7026         * testsuite/Makefile.in: Rebuild.
7027
7028         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7029         gcctestdir/ld.
7030         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7031         * testsuite/Makefile.in: Rebuild.
7032
7033 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7034
7035         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7036         * Makefile.in: Regenerate.
7037         * po/POTFILES.in: Regenerate.
7038
7039 2008-07-29  Ian Lance Taylor  <iant@google.com>
7040
7041         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7042         symbols before other symbols.
7043         * testsuite/script_test_2.cc (test_addr): Declare.
7044         (test_addr_alias): Declare.
7045         (main): Check that test_addr and test_addr_alias have the right
7046         values.
7047         * testsuite/script_test_2.t: Define test_addr_alias and
7048         test_addr.
7049
7050 2008-07-24  Ian Lance Taylor  <iant@google.com>
7051
7052         PR 5990
7053         * descriptors.cc: New file.
7054         * descriptors.h: New file.
7055         * gold-threads.h (class Hold_optional_lock): New class.
7056         * fileread.cc: Include "descriptors.h".
7057         (File_read::~File_read): Release descriptor rather than closing
7058         it.
7059         (File_read::open) [file]: Call open_descriptor rather than open.
7060         Set is_descriptor_opened_.
7061         (File_read::open) [memory]: Assert that descriptor is not open.
7062         (File_read::reopen_descriptor): New function.
7063         (File_read::release): Release descriptor.
7064         (File_read::do_read): Make non-const.  Reopen descriptor.
7065         (File_read::read): Make non-const.
7066         (File_read::make_view): Reopen descriptor.
7067         (File_read::do_readv): Likewise.
7068         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7069         Update declarations.
7070         * layout.cc: Include "descriptors.h".
7071         (Layout::create_build_id): Use open_descriptor rather than open.
7072         * output.cc: Include "descriptors.h".
7073         (Output_file::open): Use open_descriptor rather than open.
7074         * archive.cc (Archive::const_iterator): Change Archive to be
7075         non-const.
7076         (Archive::begin, Archive::end): Make non-const.
7077         (Archive::count_members): Likewise.
7078         * archive.h (class Archive): Update declarations.
7079         * object.h (Object::read): Make non-const.
7080         * Makefile.am (CCFILES): Add descriptors.cc.
7081         (HFILES): Add descriptors.h.
7082         * Makefile.in: Rebuild.
7083
7084         PR 6716
7085         * gold.h: Always include <clocale>.  Add Solaris workarounds
7086         following code in binutils/sysdep.h.
7087
7088         PR 6048
7089         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7090         this->eh_frame_hdr_ is NULL before using it.
7091
7092         * dynobj.cc (Versions::Versions): Update comment.
7093
7094         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7095         the base version name.
7096
7097         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7098         array size plus one.
7099         (Stringpool_template::set_string_offsets): Subtract one from key
7100         before using it as an array index.
7101         (Stringpool_template::get_offset_with_length): Likewise.
7102         (Stringpool_template::write_to_buffer): Likewise.
7103         * stringpool.h (Stringpool_template::get_offset_from_key):
7104         Likewise.
7105
7106 2008-07-23  Ian Lance Taylor  <iant@google.com>
7107
7108         PR 6658
7109         * object.h (Merged_symbol_value::value): Do our best to handle a
7110         negative addend.
7111
7112         PR 6647
7113         * script.cc (Version_script_info::get_versions): Don't add empty
7114         version tag to return value.
7115         (Version_script_info::get_symbol_version_helper): Change return
7116         type to bool.  Add pversion parameter.  Change all callers.
7117         (script_register_vers_node): Don't require a non-NULL tag.
7118         * script.h (class Version_script_info): Update declarations.
7119         (Version_script_info::get_symbol_version): Change return type to
7120         bool.  Add version parameter.  Change all callers.
7121         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7122         handling.  Handle an empty version from a version script.
7123         (Symbol_table::define_special_symbol): Likewise.
7124         * testsuite/ver_test_10.script: New file.
7125         * testsuite/ver_test_10.sh: New file.
7126         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7127         (check_DATA): Add ver_test_10.syms.
7128         (ver_test_10.syms, ver_test_10.so): New target.
7129         * testsuite/Makefile.in: Rebuild.
7130
7131 2008-07-23  Simon Baldwin  <simonb@google.com>
7132
7133         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7134         to zero for undefined symbols from dynamic libraries.
7135
7136 2008-07-23  Ian Lance Taylor  <iant@google.com>
7137
7138         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7139         Change all callers.
7140         * symtab.h (class Symbol_table): Update declaration.
7141         * testsuite/ver_test_9.cc: New file.
7142         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7143         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7144         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7145         (ver_test_9.so, ver_test_9.o): New targets.
7146         * testsuite/Makefile.in: Rebuild.
7147
7148 2008-07-22  Ian Lance Taylor  <iant@google.com>
7149
7150         * options.h (class General_options): Define --check-sections.
7151         * layout.cc (Layout::set_segment_offsets): Handle
7152         --check-sections.
7153
7154         * options.h (class General_options): Define -n/--nmagic and
7155         -N/--omagic.
7156         * options.cc (General_options::finalize): For -n/--nmagic or
7157         -N/--omagic, set -static.
7158         * layout.cc (Layout::attach_allocated_section_to_segment): If
7159         -N/--omagic, don't put read-only and read-write sections in
7160         different segments.
7161         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7162         finding a read-only segment.
7163         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7164         don't set the minimum segment alignment to the common page size,
7165         and don't set the file offset to the address modulo the page size.
7166         * script-sections.cc (Script_sections::create_segments): If
7167         -n/--omagic, don't put read-only and read-write sections in
7168         different segments.
7169
7170         * cref.cc: New file.
7171         * cref.h: New file.
7172         * options.h (class General_options): Add --print-symbol-counts.
7173         * main.cc (main): Issue defined symbol report if requested.
7174         * archive.cc (Archive::interpret_header): Make into a const member
7175         function.
7176         (Archive::add_symbols): Call Input_objects::archive_start and
7177         archive_stop.
7178         (Archive::const_iterator): Define new class.
7179         (Archive::begin, Archive::end): New functions.
7180         (Archive::include_all_members): Rewrite to use iterator.
7181         (Archive::count_members): New function.
7182         * archive.h (class Archive): Update declarations.
7183         (Archive::filename): New function.
7184         * object.cc: Include "cref.h".
7185         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7186         (Sized_relobj::do_get_global_symbol_counts): New function.
7187         (Input_objects::add_object): Add object to cross-referencer.
7188         (Input_objects::archive_start): New function.
7189         (Input_objects::archive_stop): New function.
7190         (Input_objects::print_symbol_counts): New function.
7191         * object.h: Declare Cref and Archive.
7192         (Object::get_global_symbol_counts): New function.
7193         (Object::do_get_global_symbol_counts): New pure virtual function.
7194         (class Sized_relobj): Add defined_count_ field.  Update
7195         declarations.
7196         (class Input_objects): Add cref_ field.  Update constructor.
7197         Update declarations.
7198         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7199         defined_count_.
7200         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7201         symbol counts.
7202         (Sized_dynobj::do_get_global_symbol_counts): New function.
7203         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7204         defined_count_.  Update declarations.  Define Symbols typedef.
7205         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7206         parameter.  Change all callers.
7207         (Symbol_table::add_from_dynobj): Add sympointers and defined
7208         parameters.  Change all callers.
7209         * symtab.h (class Symbol_table): Update declarations.
7210         * Makefile.am (CCFILES): Add cref.cc.
7211         (HFILES): Add cref.h.
7212         * Makefile.in: Rebuild.
7213
7214 2008-07-22  Simon Baldwin  <simonb@google.com>
7215
7216         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7217         to zero when writing undefined symbols.
7218
7219 2008-07-22  Ian Lance Taylor  <iant@google.com>
7220
7221         * output.cc (Output_section::add_input_section): Don't try to
7222         merge empty merge sections.
7223
7224 2008-07-21  Craig Silverstein  <csilvers@google.com>
7225
7226         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7227         Include symbol version in error message.
7228
7229 2008-07-20  Chris Demetriou  <cgd@google.com>
7230
7231         * configure.ac (gold_cv_c_random_seed): New configured variable.
7232         (RANDOM_SEED_CFLAGS): New substituted variable.
7233         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7234         * configure: Rebuild.
7235         * Makefile.in: Likewise.
7236         * testsuite/Makefile.in: Likewise.
7237
7238 2008-07-18  Ian Lance Taylor  <iant@google.com>
7239
7240         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7241         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7242         * testsuite/ver_test_main.cc (main): Call t4.
7243         (t4, t4_2a): Define.
7244         * testsuite/ver_test_2.cc (t4_2): Define.
7245         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7246         * testsuite/ver_test_4.cc (t4_2a): Define.
7247         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7248         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7249
7250 2008-07-17  Ian Lance Taylor  <iant@google.com>
7251
7252         * dynobj.cc (Versions::add_def): If we give an error about a
7253         missing version, go ahead and create the version anyhow.
7254
7255 2008-07-10  Ian Lance Taylor  <iant@google.com>
7256
7257         Handle output sections with more than 0x7fffffff bytes.
7258         * object.h (class Relobj): Change map_to_output_ to
7259         output_sections_, and just keep a section pointer.  Change all
7260         uses.  Move comdat group support to Sized_relobj.
7261         (Relobj::is_section_specially_mapped): Remove.
7262         (Relobj::output_section): Remove poff parameter.  Change all
7263         callers.
7264         (Relobj::output_section_offset): New function.
7265         (Relobj::set_section_offset): Rewrite.
7266         (Relobj::map_to_output): Remove.
7267         (Relobj::output_sections): New function.
7268         (Relobj::do_output_section_offset): New pure virtual function.
7269         (Relobj::do_set_section_offset): Likewise.
7270         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7271         group support from Relobj.  Update declarations.
7272         (Sized_relobj::get_output_section_offset): New function.
7273         (Sized_relobj::do_output_section_offset): New function.
7274         (Sized_relobj::do_set_section_offset): New function.
7275         * object.cc (Relobj::output_section_address): Remove.
7276         (Sized_relobj::Sized_relobj): Initialize new fields.
7277         (Sized_relobj::include_section_group): Cast find_kept_object to
7278         Sized_relobj.
7279         (Sized_relobj::include_linkonce_section): Likewise.
7280         (Sized_relobj::do_layout): Use separate arrays for output section
7281         and output offset.
7282         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7283         output_sections.
7284         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7285         output_sections and section_offsets.
7286         (Sized_relobj::write_local_symbols): Likewise.
7287         (map_to_kept_section): Compute output address directly.
7288         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7289         output_sections and section_offsets.
7290         (Sized_relobj::write_sections): Likewise.
7291         (Sized_relobj::relocate_sections): Likewise.
7292         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7293         * output.h (class Output_reloc): Update declarations.  Change
7294         u2_.relobj to Sized_relobj*.
7295         (class Output_data_reloc): Change add functions to use
7296         Sized_relobj*.
7297         * output.cc (Output_reloc::Output_reloc): Change relobj to
7298         Sized_relobj*.
7299         (Output_reloc::local_section_offset): Change return type to
7300         Elf_Addr.  Use get_output_section_offset.
7301         (Output_reloc::get_address): Likewise.
7302         (Output_section::is_input_address_mapped): Don't call
7303         is_section_specially_mapped.
7304         (Output_section::output_offset): Likewise.
7305         (Output_section::output_address): Likewise.
7306         (Output_section::starting_output_address): Likewise.
7307         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7308         parameter to Sized_relobj*.
7309         (Copy_relocs::need_copy_reloc): Likewise.
7310         (Copy_relocs::save): Likewise.
7311         * copy-relocs.h (class Copy_relocs): Update declarations.
7312         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7313         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7314         * target-reloc.h (relocate_for_relocatable): Change
7315         offset_in_output_section type to Elf_Addr.  Change code that uses
7316         it as well.
7317         * layout.cc (Layout::layout): Always set *off.
7318         * mapfile.cc (Mapfile::print_input_section): Use
7319         output_section_offset.
7320         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7321         Sized_relobj*.
7322         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7323         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7324         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7325
7326 2008-07-03  Ian Lance Taylor  <iant@google.com>
7327
7328         * layout.cc (Layout::include_section): Do not discard unrecognized
7329         SHT_STRTAB sections.
7330
7331 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7332
7333         * script.cc (Lex::can_continue_name): Make '?' allowable in
7334         version-script names.
7335         * testsuite/version_script.map: Change glob pattern to use '?'
7336
7337 2008-06-30  Manish Singh  <yosh@gimp.org>
7338
7339         PR 6585
7340         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7341         Correct typo.
7342
7343 2008-06-30  Ian Lance Taylor  <iant@google.com>
7344
7345         PR 6660
7346         PR 6682
7347         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7348         versions]: Don't try to read the value in the contents, since we
7349         don't use it.  Use the template endianness when writing.
7350
7351 2008-06-25  Cary Coutant  <ccoutant@google.com>
7352
7353         * fileread.cc (File_read::make_view): Assert on zero-length view.
7354         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7355         symbol table when there are no symbols to read.
7356
7357 2008-06-23  Craig Silverstein  <csilvers@google.com>
7358
7359         * version.cc (version_string): Bump to 1.7
7360
7361 2008-06-18  Craig Silverstein  <csilvers@google.com>
7362
7363         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7364         constant 0xFFFF to type Valtype.
7365         (Powerpc_relocate_functions::rel16_ha): Likewise.
7366
7367 2008-06-17  Ian Lance Taylor  <iant@google.com>
7368
7369         * output.h (Output_section::Input_section): Initialize p2align_ to
7370         zero for Output_section_data constructors.
7371         (Output_section::Input_section::addralign): If not an input
7372         section, return the alignment of the Output_section_data.
7373         * testsuite/copy_test.cc: New file.
7374         * testsuite/copy_test_1.cc: New file.
7375         * testsuite/copy_test_2.cc: New file.
7376         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7377         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7378         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7379         (copy_test_1_pic.o, copy_test_1.so): New targets.
7380         (copy_test_2_pic.o, copy_test_2.so): New targets.
7381         * testsuite/Makefile.in: Rebuild.
7382
7383         * script-sections.cc (Script_sections::place_orphan): Initialize
7384         local variable exact.
7385
7386 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
7387
7388         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7389
7390 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
7391             David S. Miller  <davem@davemloft.net>
7392
7393         * powerpc.cc: New file.
7394         * Makefile.am (TARGETSOURCES): Add powerpc.cc
7395         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7396         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7397         * Makefile.in: Rebuild.
7398
7399 2008-06-09  Ian Lance Taylor  <iant@google.com>
7400
7401         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7402         <exception>.
7403         (throwing, orig_terminate): New static variables.
7404         (terminate_handler): New static function.
7405         (t2): Set terminate handler.
7406
7407 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
7408
7409         PR 6584
7410         * binary.cc (Binary_to_elf::sized_convert): Fix .data
7411         alignment.
7412
7413 2008-05-30  Cary Coutant  <ccoutant@google.com>
7414
7415         * archive.cc (Archive::include_all_members) Correct to step
7416         over symbol table and extended name table in thin archives.
7417
7418 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7419
7420         PR 6407
7421         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7422         calculation.
7423
7424 2008-05-28  Caleb Howe  <cshowe@google.com>
7425
7426         * reduced_debug_output.cc: New file.
7427         * reduced_debug_output.h: New file.
7428         * options.h (class General_options): Add --strip-debug-non-line.
7429         * options.cc (General_options::finalize): Add strip_debug_non_line
7430         to the strip heirarchy.
7431         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7432         fields.
7433         * layout.cc: Include "reduced_debug_output.h".
7434         (Layout::Layout): Initialize new fields.
7435         (line_only_debug_sections): New static array.
7436         (is_lines_only_debug_sections): New static inline function.
7437         (Layout::include_section): Handle --strip-debug-non-line.
7438         (Layout::make_output_section): If --strip-debug-non-line, build
7439         new output sections for .debug_abbrev and .debug_info.
7440         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7441         gold.  Warn about possible overflow.
7442         (read_signed_LEB_128): Likewise.
7443         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7444         (read_signed_LEB_128): Declare.
7445         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7446         (HFILES): Add reduced_debug_output.h.
7447         * Makefile.in: Rebuild.
7448
7449 2008-05-21  Ian Lance Taylor  <iant@google.com>
7450
7451         * mapfile.cc: New file.
7452         * mapfile.h: New file.
7453         * options.h (class General_options): Add -M/--print-map and -Map.
7454         * options.cc (General_options::finalize): Make -M equivalent to
7455         -Map -.
7456         * main.cc: Include <cstdio> and "mapfile.h".
7457         (main): Open mapfile if requested.
7458         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
7459         constructor.  Change caller.
7460         (queue_initial_tasks): Add mapfile parameter.  Change caller.
7461         (queue_middle_tasks): Likewise.
7462         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7463         declarations.
7464         * archive.cc: Include "mapfile.h".
7465         (Archive::add_symbols): Add mapfile parameter.  Change all
7466         callers.  Pass mapfile, symbol, and reason to include_member.
7467         (Archive::include_all_members): Add mapfile parameter.  Change all
7468         callers.
7469         (Archive::include_member): Add mapfile, sym, and why parameters.
7470         Change all callers.  Report inclusion to map file.
7471         * archive.h: Include "fileread.h".
7472         (class Archive): Update declarations.
7473         (Archive::file): New const method.
7474         (class Add_archive_symbols): Add mapfile_ field.  Update
7475         constructor.  Change all callers.
7476         * readsyms.h (class Read_symbols): Likewise.
7477         (class Finish_group): Likewise.
7478         (class Read_script): Likewise.
7479         * common.cc: Include "mapfile.h".
7480         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
7481         all callers.
7482         (Symbol_table::do_allocate_commons): Likewise.
7483         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
7484         symbol allocation to mapfile.
7485         * common.h (class Allocate_commons_task): Add mapfile_ field.
7486         Update constructor.  Change all callers.
7487         * symtab.h (class Symbol_table): Update declarations.
7488         * layout.cc: Include "mapfile.h".
7489         (Layout_task_runner::run): Print information to mapfile.
7490         (Layout::create_gold_note): Change Output_data_fixed_space to
7491         Output_data_zero_fill.
7492         (Layout::create_build_id): Likewise.
7493         (Layout::print_to_mapfile): New function.
7494         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
7495         constructor.  Change caller.
7496         (class Layout): Declare print_to_mapfile.
7497         * output.cc (Output_section::Input_section::print_to_mapfile): New
7498         function.
7499         (Output_section::add_input_section): If producing a map, always
7500         add to input_sections_ list.
7501         (Output_section::do_print_to_mapfile): New function.
7502         (Output_segment::print_sections_to_mapfile): New function.
7503         (Output_segment::print_section_list_to_mapfile): New function.
7504         * output.h: Include "mapfile.h".
7505         (Output_data::print_to_mapfile): New function.
7506         (Output_data::do_print_to_mapfile): New virtual function.
7507         (Output_segment_headers::do_print_to_mapfile): New function.
7508         (Output_file_header::do_print_to_mapfile): New function.
7509         (Output_data_const::do_print_to_mapfile): New function.
7510         (class Output_data_const_buffer): Add map_name_ field.  Update
7511         constructor.  Change all callers.  Add do_print_to_mapfile
7512         function.
7513         (class Output_data_fixed_space): Likewise.
7514         (class Output_data_space): Likewise.
7515         (class Output_data_zero_fill): New class.
7516         (Output_data_strtab::do_print_to_mapfile): New function.
7517         (Output_data_reloc_base::do_print_to_mapfile): New function.
7518         (Output_relocatable_relocs::do_print_to_mapfile): New function.
7519         (Output_data_group::do_print_to_mapfile): New function.
7520         (Output_data_got::do_print_to_mapfile): New function.
7521         (Output_data_dynamic::do_print_to_mapfile): New function.
7522         (Output_symtab_xindex::do_print_to_mapfile): New function.
7523         (class Output_section): Declare do_print_to_mapflie.  Declare
7524         print_to_mapfile in Input_section.
7525         (class Output_segment): Declare new functions.
7526         * object.h (Sized_relobj::symbol_count): New function.
7527         * script-sections.cc
7528         (Output_section_element_dot_assignment::set_section_addresses):
7529         Change Output_data_fixed_space to Output_data_zero_fill.
7530         (Output_data_expression::do_print_to_mapfile): New function.
7531         * script.cc (read_input_script): Add mapfile parameter.  Change
7532         all callers.
7533         * script.h (read_input_script): Update declaration.
7534         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7535         (Eh_frame::do_print_to_mapfile): New function.
7536         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7537         (Output_merge_string::do_print_to_mapfile): New function.
7538         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7539         function.
7540         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7541         function.
7542         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7543         function.
7544         * Makefile.am (CCFILES): Add mapfile.cc.
7545         (HFILES): Add mapfile.h.
7546         * Makefile.in: Rebuild.
7547
7548 2008-05-19  Ian Lance Taylor  <iant@google.com>
7549
7550         * options.h (class General_options): Add -z relro.
7551         * layout.cc (Layout::Layout): Initialize relro_segment_.
7552         (Layout::add_output_section_data): Return the output section.
7553         (Layout::make_output_section): Rcognize relro sections and mark
7554         them appropriately.
7555         (Layout::attach_allocated_section_to_segment): Put relro sections
7556         in a PT_GNU_RELRO segment.
7557         (Layout::create_initial_dynamic_sections): Mark the .dynamic
7558         section as relro.
7559         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7560         PT_TLS segments.
7561         (Layout::linkonce_mapping): Map d.rel.ro.local to
7562         .data.rel.ro.local.
7563         (Layout::output_section_name): Us .data.rel.ro.local for any
7564         section which begins with that.
7565         * layout.h (class Layout): Update add_output_section_data
7566         declaration.  Add relro_segment_ field.
7567         * output.cc (Output_section::Output_section): Initialize is_relro_
7568         and is_relro_local_ fields.
7569         (Output_segment::add_output_section): Group relro sections.
7570         (Output_segment::is_first_section_relro): New function.
7571         (Output_segment::maximum_alignment): If there is a relro section,
7572         align the segment to the common page size.
7573         (Output_segment::set_section_addresses): Track whether we are
7574         looking at relro sections.  If the last section is a relro
7575         section, align to the common page size.
7576         (Output_segment::set_section_list_addresses): Add in_relro
7577         parameter.  Change all callers.  Align to the page size when
7578         moving from relro to non-relro section.
7579         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7580         segment.
7581         * output.h (class Output_section): Add is_relro_ and
7582         is_relro_local_ fields.
7583         (Output_section::is_relro): New function.
7584         (Output_section::set_is_relro): New function.
7585         (Output_section::is_relro_local): New function.
7586         (Output_section::set_is_relro_local): New function.
7587         (class Output_segment): Update declarations.
7588         * i386.cc (Target_i386::got_section): Mark .got section as relro.
7589         * sparc.cc (Target_sparc::got_section): Likewise.
7590         * x86_64.cc (Target_x86_64::got_section): Likewise.
7591         * testsuite/relro_test_main.cc: New file.
7592         * testsuite/relro_test.cc: New file.
7593         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7594         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7595         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7596         (relro_test.so, relro_test_pic.o): New targets.
7597         * testsuite/Makefile.in: Rebuild.
7598
7599 2008-05-16  Ian Lance Taylor  <iant@google.com>
7600
7601         * output.cc (Output_segment::add_output_section): Remove front
7602         parameter.
7603         * output.h (class Output_segment): Remove
7604         add_initial_output_section and overloaded add_output_section.
7605         Update declaration of remaining add_output_section.
7606         * layout.cc (Layout::create_interp): Call add_output_section
7607         rather than add_initial_output_section.
7608         (Layout::finish_dynamic_section): Likewise.
7609
7610         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7611         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
7612         know the dynamic type.
7613         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7614         field.  Initialize it in constructor.
7615         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7616         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7617         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7618         reloc.
7619
7620         * output.cc (Output_reloc::get_address): Change return type to
7621         Elf_Addr.
7622         * output.h (class Output_reloc): Update get_address declaration.
7623         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7624         for section addresses.
7625
7626 2008-05-09  Ian Lance Taylor  <iant@google.com>
7627
7628         PR 6493
7629         * gold.cc (gold_nomem): Use return value of write.
7630
7631 2008-05-08  Ian Lance Taylor  <iant@google.com>
7632
7633         * symtab.c (Symbol::init_base_output_data): Add version
7634         parameter.  Change all callers.
7635         (Symbol::init_base_output_segment): Likewise.
7636         (Symbol::init_base_constant): Likewise.
7637         (Symbol::init_base_undefined): Likewise.
7638         (Sized_symbol::init_output_data): Likewise.
7639         (Sized_symbol::init_output_segment): Likewise.
7640         (Sized_symbol::init_constant): Likewise.
7641         (Sized_symbol::init_undefined): Likewise.
7642         (Symbol_table::do_define_in_output_data): If the new symbol has a
7643         version, mark it as the default.
7644         (Symbol_table::do_define_in_output_segment): Likewise.
7645         (Symbol_table::do_define_as_constant): Likewise.
7646         * symtab.h (class Symbol): Update declarations.
7647         (class Sized_symbol): Likewise.
7648         * resolve.cc (Symbol::override_version): New function.
7649         (Symbol::override_base): Call override_version.
7650         (Symbol::override_base_with_special): Likewise.
7651         * testsuite/ver_script_8.script: New file.
7652         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7653         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7654         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7655         (ver_test_8_1.so, ver_test_8_2.so): New targets.
7656
7657 2008-05-06  Ian Lance Taylor  <iant@google.com>
7658
7659         PR 6049
7660         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7661         functions.
7662         (class General_options): Remove existing --undefined, and add
7663         --no-undefined instead.  Add new --undefined as synonym for -u.
7664         * archive.cc (Archive::add_symbols): Check whether symbol was
7665         named with -u.
7666         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7667         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7668         all uses.  Add IS_UNDEFINED.  Update declarations to split
7669         different versions of init_base.  Declare init_base_undefined.
7670         (Symbol::is_defined): Handle IS_UNDEFINED.
7671         (Symbol::is_undefined): Likewise.
7672         (Symbol::is_weak_undefined): Call is_undefined.
7673         (Symbol::is_absolute): Handle IS_CONSTANT.
7674         (class Sized_symbol): Update declarations to split different
7675         versions of init.  Declare init_undefined.
7676         (class Symbol_table): Declare new functions.
7677         * symtab.cc (Symbol::init_base_object): Rename from init_base.
7678         Change all callers.
7679         (Symbol::init_base_output_data): Likewise.
7680         (Symbol::init_base_output_segment): Likewise.
7681         (Symbol::init_base_constant): Likewise.
7682         (Symbol::init_base_undefined): New function.
7683         (Sized_symbol::init_object): Rename from init.  Change all
7684         callers.
7685         (Sized_symbol::init_output_data): Likewise.
7686         (Sized_symbol::init_output_segment): Likewise.
7687         (Sized_symbol::init_constant): Likewise.
7688         (Sized_symbol::init_undefined): New function.
7689         (Symbol_table::add_undefined_symbols_from_command_line): New
7690         function.
7691         (Symbol_table::do_add_undefined_symbols_from_command_line): New
7692         function.
7693         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
7694         (Symbol::output_section): Likewise.
7695         (Symbol::set_output_section): Likewise.
7696         (Symbol_table::sized_finalize_symbol): Likewise.
7697         (Symbol_table::sized_write_globals): Likewise.
7698         * resolve.cc (Symbol_table::should_override): Likewise.
7699         (Symbol::override_base_with_special): Likewise.
7700
7701         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
7702         symbol, change it to have default visibility.
7703         * testsuite/protected_1.cc: New file.
7704         * testsuite/protected_2.cc: New file.
7705         * testsuite/protected_3.cc: New file.
7706         * testsuite/protected_main_1.cc: New file.
7707         * testsuite/protected_main_2.cc: New file.
7708         * testsuite/protected_main_3.cc: New file.
7709         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
7710         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
7711         (protected_1_LDFLAGS, protected_1_LDADD): Define.
7712         (protected_1.so): New target.
7713         (protected_1_pic.o, protected_2_pic.o): New targets.
7714         (protected_3_pic.o): New target.
7715         (check_PROGRAMS): Add protected_2.
7716         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
7717         (protected_2_LDFLAGS, protected_2_LDADD): Define.
7718         * testsuite/Makefile.in: Rebuild.
7719
7720         * options.h (DEFINE_var): Add set_user_set_##varname__.
7721         (DEFINE_bool_alias): New macro.
7722         (class General_options): Define -Bstatic using DEFINE_bool_alias
7723         rather than DEFINE_special.  Add --undefined as an alias for -z
7724         defs.
7725         * options.cc (General_options::parse_Bstatic): Remove.
7726
7727         * options.h (class General_options): Add --fatal-warnings.
7728         * main.cc (main): Implement --fatal-warnings.
7729         * errors.h (Errors::warning_count): New function.
7730
7731         * options.h (class General_options): Add -Bsymbolic-functions.
7732         * symtab.h (Symbol::is_preemptible): Check for
7733         -Bsymbolic-functions.
7734
7735 2008-05-05  Ian Lance Taylor  <iant@google.com>
7736
7737         * options.h (DEFINE_bool): For DASH_Z, create the negative option
7738         as noVARNAME rather than no-VARNAME.
7739         (class General_options): Add option -z combreloc.
7740         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
7741         get_address.
7742         (Output_reloc::sort_before) [SHT_REL]: New function.
7743         (Output_reloc::sort_before) [SHT_RELA]: New function.
7744         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
7745         Sort_relocs_comparison.
7746         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
7747         parameter.  Change all callers.
7748         (Output_data_reloc::Output_data_reloc) [both versions]: Add
7749         sort_relocs parameter.  Change all callers.
7750         * output.cc (Output_reloc::get_address): New function, broken out
7751         of write_rel.
7752         (Output_reloc::write_rel): Call it.
7753         (Output_reloc::compare): New function.
7754         (Output_data_reloc_base::do_write): Optionally sort relocs.
7755
7756         * configure.ac: If targ_extra_obj is set, link it in.
7757         * configure.tgt: Initialize all variables.
7758         (x86_64*): Set targ_extra_obj and targ_extra_size.
7759         * configure: Rebuild.
7760
7761         * object.cc (Sized_relobj::include_section_group): Adjust section
7762         indexes read from group data.  Build vector to pass to
7763         layout_group.
7764         * layout.cc (Layout::layout_group): Add flags and shndxes
7765         parameters.  Remove contents parameter.  Change caller.  Update
7766         explicit instantiations.
7767         * layout.h (class Layout): Update layout_group declaration.
7768         * output.cc (Output_data_group::Output_data_group): Add flags and
7769         input_shndxes parameters.  Remove contents parameter.  Change
7770         caller.
7771         (Output_data_group::do_write): Change input_sections_ to
7772         input_shndxes_.
7773         * output.h (class Output_data_group): Update constructor
7774         declaration.  Rename input_sections_ to input_shndxes_.
7775         * testsuite/many_sections_test.cc: Add template.
7776
7777 2008-04-30  Cary Coutant  <ccoutant@google.com>
7778
7779         * target-reloc.h (relocate_section): Fix dead-pointer bug.
7780
7781         * layout.cc (Layout::include_section): Refactored check for debug
7782         info section.
7783         (Layout::add_comdat): Add new parameters.  Change type
7784         of signature parameter.  Add object and shndx to signatures table.
7785         (Layout::find_kept_object): New function.
7786         * layout.h: Include <cstring>.
7787         (Layout::is_debug_info_section): New function.
7788         (Layout::add_comdat): Add new parameters.
7789         (Layout::find_kept_object): New function.
7790         (Layout::Kept_section): New struct.
7791         (Layout::Signatures): Change type of map range.
7792         * object.cc (Relobj::output_section_address): New function.
7793         (Sized_relobj::include_section_group): Add new parameters.  Change
7794         calls to Layout::add_comdat.  Change to build table of kept comdat
7795         groups and table mapping discarded sections to kept sections.
7796         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
7797         (Sized_relobj::do_layout): Change calls to include_section_group and
7798         include_linkonce_section.
7799         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7800         value to zero when section is discarded.
7801         (Sized_relobj::map_to_kept_section): New function.
7802         * object.h (Relobj::output_section_address): New function.
7803         (Relobj::Comdat_group): New type.
7804         (Relobj::find_comdat_group): New function.
7805         (Relobj::Comdat_group_table): New type.
7806         (Relobj::Kept_comdat_section): New type.
7807         (Relobj::Kept_comdat_section_table): New type.
7808         (Relobj::add_comdat_group): New function.
7809         (Relobj::set_kept_comdat_section): New function.
7810         (Relobj::get_kept_comdat_section): New function.
7811         (Relobj::comdat_groups_): New field.
7812         (Relobj::kept_comdat_sections_): New field.
7813         (Symbol_value::input_value): Update comment.
7814         (Sized_relobj::map_to_kept_section) New function.
7815         (Sized_relobj::include_linkonce_section): Add new parameter.
7816         * target-reloc.h (Comdat_behavior): New type.
7817         (get_comdat_behavior): New function.
7818         (relocate_section): Add code to map a discarded section to the
7819         corresponding kept section when applying a relocation.
7820
7821 2008-04-30  Craig Silverstein  <csilvers@google.com>
7822
7823         * dwarf_reader.cc (next_generation_count): New static var.
7824         (Addr2line_cache_entry): New struct.
7825         (addr2line_cache): New static var.
7826         (Dwarf_line_info::one_addr2line): Added caching.
7827         (Dwarf_line_info::clear_addr2line_cache): New function.
7828         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7829         cache-size parameter.
7830         (Dwarf_line_info::one_addr2line_cache): New function.
7831         * symtab.cc (Symbol_table::detect_odr_violations): Pass
7832         new cache-size argument to one_addr2line(), and clear cache.
7833
7834 2008-04-28  Cary Coutant  <ccoutant@google.com>
7835
7836         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7837         R_386_PC8 relocations.
7838
7839 2008-04-23  Ian Lance Taylor  <iant@google.com>
7840
7841         * object.cc (Sized_relobj::include_section_group): Check for
7842         invalid section group.
7843
7844         * object.cc (make_elf_object): Correct test for 64-bit ELF file
7845         header size.
7846
7847         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7848         than read for file header.
7849         * archive.cc (Archive::include_member): Likewise.
7850
7851 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
7852
7853         * aclocal.m4: Regenerate.
7854         * configure: Regenerate.
7855
7856 2008-04-19  Ian Lance Taylor  <iant@google.com>
7857
7858         * version.cc (version_string): Bump to 1.6.
7859
7860         * testsuite/Makefile.am (many_sections_r_test): New target.
7861         (many_sections_r_test_SOURCES): Remove.
7862         (many_sections_r_test_DEPENDENCIES): Remove.
7863         (many_sections_r_test_LDFLAGS): Remove.
7864         (many_sections_r_test_LDADD): Remove.
7865
7866         * object.cc (Sized_relobj::do_add_symbols): Always pass
7867         local_symbol_count_ to add_from_relobj.
7868
7869         * testsuite/Makefile.am (many_sections_check.h): Only check one in
7870         every thousand variables.
7871         * testsuite/Makefile.in: Rebuild.
7872
7873         * object.cc (Xindex::initialize_symtab_xindex): New function.
7874         (Xindex::read_symtab_xindex): New function.
7875         (Xindex::sym_xindex_to_shndx): New function.
7876         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7877         available.
7878         (Sized_relobj::do_initialize_xindex): New function.
7879         (Sized_relobj::do_read_symbols): Adjust section links.
7880         (Sized_relobj::symbol_section_and_value): Add is_ordinary
7881         parameter.  Change all callers.
7882         (Sized_relobj::include_section_group): Adjust section links and
7883         symbol section indexes.
7884         (Sized_relobj::do_layout): Adjust section links.
7885         (Sized_relobj::do_count_local_symbols): Adjust section links and
7886         symbol section indexes.
7887         (Sized_relobj::do_finalize_local_symbols): Distinguish between
7888         ordinary and special symbols.
7889         (Sized_relobj::write_local_symbols): Add symtab_xindex and
7890         dynsym_xindex parameters.  Change all callers.  Adjust section
7891         links.  Use SHN_XINDEX when needed.
7892         (Sized_relobj::get_symbol_location_info): Adjust section links.
7893         Don't get fooled by special symbols.
7894         * object.h (class Xindex): Define.
7895         (class Object): Add xindex_ parameter.  Declare virtual functoin
7896         do_initialize_xindex.
7897         (Object::adjust_sym_shndx): New function.
7898         (Object::set_xindex): New protected function.
7899         (class Symbol_value): Add is_ordinary_shndx_ field.
7900         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7901         (Symbol_value::value): Assert ordinary section.
7902         (Symbol_value::initialize_input_to_output_map): Likewise.
7903         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7904         Change all callers.
7905         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7906         all callers.
7907         (class Sized_relobj): Update declarations.
7908         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7909         parameter.  Change all callers.
7910         (Sized_relobj::adjust_shndx): New function.
7911         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7912         field.
7913         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7914         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7915         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7916         (Sized_dynobj::read_dynsym_section): Adjust section links.
7917         (Sized_dynobj::read_dynamic): Likewise.
7918         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7919         section links.
7920         (Sized_dynobj::do_initialize_xindex): New function.
7921         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7922         do_initialize_xindex.
7923         (Sized_dynobj::adjust_shndx): New function.
7924         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7925         dynsym_xindex_ fields.
7926         (Layout::finalize): Add a call to set_section_indexes before
7927         creating the symtab sections.
7928         (Layout::set_section_indexes): Don't do anything if the section
7929         already has a section index.
7930         (Layout::create_symtab_sections): Add shnum parameter.  Change
7931         caller.  Create .symtab_shndx section if needed.
7932         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7933         caller.
7934         (Layout::allocated_output_section_count): New function.
7935         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7936         needed.
7937         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7938         fields.  Update declarations.
7939         (Layout::symtab_xindex): New function.
7940         (Layout::dynsym_xindex): New function.
7941         (class Write_symbols_task): Add layout_ field.
7942         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7943         Change caller.
7944         * output.cc (Output_section_headers::Output_section_headers): Add
7945         shstrtab_section parameter.  Change all callers.
7946         (Output_section_headers::do_sized_write): Store overflow values
7947         for section count and section string table section index in
7948         section header zero.
7949         (Output_file_header::do_sized_write): Check for overflow of
7950         section count and section string table section index.
7951         (Output_symtab_xindex::do_write): New function.
7952         (Output_symtab_xindex::endian_do_write): New function.
7953         * output.h (class Output_section_headers): Add shstrtab_section_.
7954         Update declarations.
7955         (class Output_symtab_xindex): Define.
7956         (Output_section::has_out_shndx): New function.
7957         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7958         field.
7959         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7960         Change all callers.
7961         (Sized_symbol::init): Likewise.
7962         (Symbol::output_section): Check for ordinary symbol.
7963         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7964         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7965         callers.
7966         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7967         Change all callers.  Simplify handling of symbols from sections
7968         not included in the link.
7969         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7970         distinction.
7971         (Weak_alias_sorter::operator()): Assert that symbols are
7972         ordinary.
7973         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7974         distinction.
7975         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7976         parameters.  Change all callers.
7977         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7978         symbol distinction.  Use SHN_XINDEX when needed.
7979         (Symbol_table::write_section_symbol): Add symtab_xindex
7980         parameter.  Change all callers.
7981         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7982         SHN_XINDEX when needed.
7983         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7984         declarations.
7985         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7986         (Symbol::is_defined): Check is_ordinary.
7987         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7988         (Symbol::is_absolute, Symbol::is_common): Likewise.
7989         (class Sized_symbol): Update declarations.
7990         (class Symbol_table): Update declarations.
7991         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7992         parameters.  Change all callers.
7993         (Sized_symbol::override): Likewise.
7994         (Symbol_table::override): Likewise.
7995         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7996         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7997         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7998         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7999         to be in an ordinary section.
8000         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8001         object and is_ordinary parameters.  Change all callers.
8002         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8003         Change all callers.  Don't add undefined or non-ordinary symbols
8004         to reloc_map_.
8005         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8006         Change all callers.
8007         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8008         declarations.
8009         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8010         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8011         (Sized_relobj::relocate_sections): Likewise.
8012         * target-reloc.h (scan_relocs): Adjust section symbol index.
8013         (scan_relocatable_relocs): Likewise.
8014         * i386.cc (Scan::local): Check for ordinary symbols.
8015         * sparc.cc (Scan::local): Likewise.
8016         * x86_64.cc (Scan::local): Likewise.
8017         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8018         to symbol_section_and_value.
8019         * testsuite/many_sections_test.cc: New file.
8020         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8021         (check_PROGRAMS): Add many_sections_test.
8022         (many_sections_test_SOURCES): Define.
8023         (many_sections_test_DEPENDENCIES): Define.
8024         (many_sections_test_LDFLAGS): Define.
8025         (BUILT_SOURCES): Add many_sections_define.h.
8026         (many_sections_define.h): New target.
8027         (BUILT_SOURCES): Add many_sections_check.h.
8028         (many_sections_check.h): New target.
8029         (check_PROGRAMS): Add many_sections_r_test.
8030         (many_sections_r_test_SOURCES): Define.
8031         (many_sections_r_test_DEPENDENCIES): Define.
8032         (many_sections_r_test_LDFLAGS): Define.
8033         (many_sections_r_test_LDADD): Define.
8034         (many_sections_r_test.o): New target.
8035         * testsuite/Makefile.in: Rebuild.
8036
8037 2008-04-17  Cary Coutant  <ccoutant@google.com>
8038
8039         * errors.cc (Errors::info): New function.
8040         (gold_info): New function.
8041         * errors.h (Errors::info): New function.
8042         * gold.h (gold_info): New function.
8043         * object.cc (Input_objects::add_object): Print trace output.
8044         * options.cc (options::parse_set): New function.
8045         (General_options::parse_wrap): Deleted.
8046         (General_options::General_options): Deleted initializer.
8047         * options.h (options::String_set): New typedef.
8048         (options::parse_set): New function.
8049         (DEFINE_set): New macro.
8050         (General_options::wrap): Changed to use DEFINE_set. Changed
8051         callers of any_wrap_symbols and is_wrap_symbol.
8052         (General_options::trace, General_options::trace_symbol):
8053         New options.
8054         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8055         (General_options::wrap_symbols_): Deleted.
8056         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8057
8058 2008-04-17  David S. Miller  <davem@davemloft.net>
8059
8060         * options.cc (General_options::parse_V): New function.
8061         * options.h: Add entries for -V and -Qy.
8062
8063 2008-04-17  Ian Lance Taylor  <iant@google.com>
8064
8065         * common.cc (Symbol_table::allocate_commons): Remove options
8066         parameter.  Change caller.
8067         (Symbol_table::do_allocate_commons): Remove options parameter.
8068         Change caller.  Just call do_allocate_commons_list twice.
8069         (Symbol_table::do_allocate_commons_list): New function, broken out
8070         of do_allocate_commons.
8071         * common.h (class Allocate_commons_task): Remove options_ field.
8072         Update constructor.
8073         * symtab.cc (Symbol_table::Symbol_table): Initialize
8074         tls_commons_.
8075         (Symbol_table::add_from_object): Put TLS common symbols on
8076         tls_commons_ list.
8077         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8078         which are IN_OUTPUT_DATA.
8079         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8080         allocate_commons and do_allocate_commons declarations.  Declare
8081         do_allocate_commons_list.
8082         * gold.cc (queue_middle_tasks): Update creation of
8083         Allocate_commons_task to not pass options.
8084         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8085         (TLS_TEST_C_FLAGS): New variable.
8086         (tls_test_c_pic.o): New target.
8087         (tls_test_shared.so): Link in tls_test_c_pic.o.
8088         (tls_test_c_pic_ie.o): New target.
8089         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8090         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8091         (tls_test_c.o): New target.
8092         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8093         (tls_pic_test_LDADD): Likewise.
8094         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8095         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8096         (tls_test_c_gnu2.o): New target.
8097         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8098         tls_test_c_gnu2.o.
8099         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8100         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8101         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8102         * testsuite/tls_test.cc: Include "config.h".
8103         (t_last): Call t11_last.
8104         * testsuite/tls_test.h (t11, t11_last): Declare.
8105         * testsuite/tls_test_c.c: New file.
8106         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8107         * configure.ac: Check for OpenMP support.
8108         * configure, config.in, Makefile.in: Rebuild.
8109         * testsuite/Makefile.in: Rebuild.
8110
8111 2008-04-16  Cary Coutant  <ccoutant@google.com>
8112
8113         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8114         (Target_i386::tls_base_symbol_defined_): New field.
8115         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8116         (Target_i386::Scan::global): Likewise.
8117         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8118         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8119         (Target_x86_64::tls_base_symbol_defined_): New field.
8120         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8121         (Target_x86_64::Scan::global): Likewise.
8122
8123 2008-04-16  Cary Coutant  <ccoutant@google.com>
8124
8125         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8126         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8127         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8128         building shared libraries.
8129         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8130         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8131         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8132         * testsuite/Makefile.in: Rebuild.
8133         * testsuite/weak_undef.h: New file.
8134         * testsuite/weak_undef_file1.cc: Add extra test cases.
8135         * testsuite/weak_undef_file2.cc: Likewise.
8136         * testsuite/weak_undef_test.cc: Likewise.
8137
8138 2008-04-16  David S. Miller  <davem@davemloft.net>
8139
8140         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8141         Add issued_non_pic_error_ field.  Declare check_non_pic.
8142         (Target_sparc::Scan::check_non_pic): New function.
8143         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8144         (Target_sparc::Scan::global): Likewise.
8145
8146         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8147         * configure: Rebuild.
8148
8149         * options.h (DEFINE_enable): New macro.
8150         (new_dtags): New enable option.
8151         (initfirst, interpose, loadfltr, nodefaultlib,
8152         nodelete, nodlopen, nodump): New -z options.
8153         * layout.cc (Layout:finish_dynamic_section): If new
8154         dtags enabled, emit DT_RUNPATH.  Also, emit a
8155         DT_FLAGS_1 containing any specified -z flags.
8156
8157 2008-04-16  Ian Lance Taylor  <iant@google.com>
8158
8159         * copy-relocs.cc: New file.
8160         * copy-relocs.h: New file.
8161         * reloc.cc: Remove Copy_relocs code.
8162         * reloc.h: Likewise.
8163         * reloc-types.h (struct Reloc_types) [both versions]: Add
8164         get_reloc_addend_noerror.
8165         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8166         variants of add_global which take an addend which must be zero.
8167         * i386.cc: Include "copy-relocs.h".
8168         (class Target_i386): Change type of copy_relocs_ to variable,
8169         update initializer.
8170         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8171         Change all callers.
8172         (Target_i386::do_finalize_sections): Change handling of
8173         copy_relocs_.
8174         * sparc.cc: Include "copy-relocs.h".
8175         (class Target_sparc): Change type of copy_relocs_ to variable,
8176         update initializer.
8177         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8178         Change all callers.
8179         (Target_sparc::do_finalize_sections): Change handling of
8180         copy_relocs_.
8181         * x86_64.cc: Include "copy-relocs.h".
8182         (class Target_x86_64): Change type of copy_relocs_ to variable,
8183         update initializer.
8184         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8185         class.  Change all callers.
8186         (Target_x86_64::do_finalize_sections): Change handling of
8187         copy_relocs_.
8188         * Makefile.am (CCFILES): Add copy-relocs.cc.
8189         (HFILES): Add copy-relocs.h.
8190
8191         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8192
8193         * testsuite/script_test_4.sh: Permit leading zeroes.
8194
8195 2008-04-15  Ian Lance Taylor  <iant@google.com>
8196
8197         * script-sections.cc (Script_sections::create_segments): Use
8198         header_size_adjustment even when there is enough room for the
8199         headers.
8200         * testsuite/script_test_4.sh: New file.
8201         * testsuite/script_test_4.t: New file.
8202         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8203         (check_DATA): Add script_test_4.stdout.
8204         (MOSTLYCLEANFILES): Likewise.
8205         (script_test_4): New target.
8206         (script_test_4.stdout): New target.
8207         * testsuite/Makefile.in: Rebuild.
8208
8209         * sparc.cc: Add definitions for Output_data_plt_sparc class
8210         constants.
8211
8212 2008-04-14  David S. Miller  <davem@davemloft.net>
8213
8214         * sparc.cc: New file.
8215         * Makefile.am (TARGETSOURCES): Add sparc.cc
8216         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8217         * configure.tgt: Document targ_extra_size and
8218         targ_extra_big_endian.  Add entries for sparc-* and
8219         sparc64-*.
8220         * configure.ac: Handle targ_extra_size and
8221         targ_extra_big_endian.
8222         * Makefile.in: Rebuild.
8223         * configure: Likewise.
8224         * po/POTFILES.in: Likewise.
8225         * po/gold.pot: Likewise.
8226
8227 2008-04-14  Ian Lance Taylor  <iant@google.com>
8228
8229         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8230         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8231         in the name/type/flags to section mapping.  Don't call
8232         allocate_output_section.
8233         (Layout::choose_output_section): Change parameter from adjust_name
8234         to is_input_section.  Don't permit input sections after sections
8235         are attached to segments.  Don't call allocate_output_section.
8236         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8237         not write_enable_output_section.
8238         (Layout::make_output_section): Don't push to
8239         unattached_section_list_ nor call attach_to_segment.  Call
8240         attach_section_to_segment if sections are attached.
8241         (Layout::attach_sections_to_segments): New function.
8242         (Layout::attach_section_to_segment): New function.
8243         (Layout::attach_allocated_section_to_segment): Rename from
8244         attach_to_segment.  Remove flags parameter.
8245         (Layout::allocate_output_section): Remove function.
8246         (Layout::write_enable_output_section): Remove function.
8247         * layout.h (class Layout): Update for above changes.  Add new
8248         field sections_are_attached_.
8249         * output.h (Output_section::update_flags_for_input_section): New
8250         function.
8251         * output.cc (Output_section::add_input_section): Call
8252         update_flags_for_input_section.
8253         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8254
8255 2008-04-11  Cary Coutant  <ccoutant@google.com>
8256
8257         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8258         thought unnecessary.
8259         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8260
8261 2008-04-11  Ian Lance Taylor  <iant@google.com>
8262
8263         * output.h (class Output_section_data): Remove inline definition
8264         of set_addralign.
8265         * output.cc (Output_section_data::set_addralign): New function.
8266
8267 2008-04-11  Cary Coutant  <ccoutant@google.com>
8268
8269         Add support for TLS descriptors for i386 and x86_64.
8270         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8271         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8272         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8273         GOT_TYPE_TLS_DESC.
8274         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8275         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8276         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8277         relocations.
8278         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8279         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8280         Fix problem with initial-exec relocations.
8281         (Target_i386::Relocate::relocate_tls): Likewise.
8282         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8283         relaxation.
8284         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8285         support for section-plus-offset dynamic table entries.
8286         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8287         (Output_data_dynamic::Dynamic_entry): Add support for
8288         section-plus-offset dynamic table entries.
8289         (Output_data_dynamic::Classification): Likewise.
8290         (Output_data_dynamic::classification_): Renamed offset_.
8291         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8292         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8293         (Target_x86_64::make_plt_section): New function.
8294         (Target_x86_64::reserve_tlsdesc_entries): New function.
8295         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8296         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8297         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8298         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8299         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8300         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8301         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8302         add extra PLT entry for TLS descriptors.
8303         (Output_data_plt_x86_64::got_): New field.
8304         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8305         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8306         fields.
8307         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8308         descriptors.
8309         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8310         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8311         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8312         R_386_TLS_DESC_CALL relocations.
8313         (Target_x86_64::Scan::global): Likewise.
8314         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8315         for TLS descriptors.
8316         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8317         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8318         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8319         GD-to-IE relaxation.
8320         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8321         and TLS_DESCRIPTORS.
8322         * Makefile.in: Rebuild.
8323         * configure: Rebuild.
8324         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8325         (tls_test_shared2.so): New target.
8326         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8327         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8328         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8329         (tls_shared_gd_to_ie_test_LDADD): New variable.
8330         (tls_shared_gnu2_gd_to_ie_test): New target.
8331         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8332         New targets.
8333         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8334         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8335         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8336         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8337         (tls_shared_gnu2_test): New target.
8338         (tls_test_gnu2_shared.so): New target.
8339         (tls_shared_gnu2_test_SOURCES): New variable.
8340         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8341         (tls_shared_gnu2_test_LDFLAGS): New variable.
8342         (tls_shared_gnu2_test_LDADD): New variable.
8343         * testsuite/Makefile.in: Rebuild.
8344         * testsuite/Makefile.
8345
8346 2008-04-11  Ian Lance Taylor  <iant@google.com>
8347
8348         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8349         justsyms.t.
8350         * testsuite/Makefile.in: Rebuild.
8351
8352         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8353         long.
8354         * testsuite/script_test_2.cc (main): Adjust test.
8355
8356 2008-04-11  David S. Miller  <davem@davemloft.net>
8357             Ian Lance Taylor  <iant@google.com>
8358
8359         * options.h (General_options): Add entries for '-Y' and
8360         '-relax'.
8361         * options.cc (General_options:finalize): If -Y was used, add those
8362         entries to the library path instead of the default "/lib" and
8363         "/usr/lib".
8364
8365 2008-04-11  David S. Miller  <davem@davemloft.net>
8366
8367         * testsuite/justsyms.t: Start at 0x100.
8368         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8369         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8370         long.
8371         * testsuite/script_test_2.cc: Adjust string and section length
8372         checks.
8373
8374 2008-04-09  Ian Lance Taylor  <iant@google.com>
8375
8376         PR gold/5996
8377         * script-sections.cc (Sections_element::allocate_to_segment): Add
8378         orphan parameter.
8379         (Output_section_definition::allocate_to_segment): Likewise.
8380         (Orphan_output_section::allocate_to_segment): Likewise.
8381         (Script_sections::attach_sections_using_phdrs_clause): Don't
8382         propagate non-PT_LOAD segments to orphan sections.
8383         * testsuite/Makefile.am (script_test_3.stdout): Generate using
8384         readelf rather than objdump.
8385         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
8386         .interp section and PT_INTERP segment are the same size.
8387         * testsuite/Makefile.in: Rebuild.
8388
8389         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8390         aliases for symbols defined in the same object.
8391         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8392         (weak_alias_test_SOURCES): New variable.
8393         (weak_alias_test_DEPENDENCIES): New variable.
8394         (weak_alias_test_LDFLAGS): New variable.
8395         (weak_alias_test_LDADD): New variable.
8396         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8397         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8398         (weak_alias_test_3.o): New target.
8399         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8400         * testsuite/weak_alias_test_main.cc: New file.
8401         * testsuite/weak_alias_test_1.cc: New file.
8402         * testsuite/weak_alias_test_2.cc: New file.
8403         * testsuite/weak_alias_test_3.cc: New file.
8404
8405 2008-04-08  Ian Lance Taylor  <iant@google.com>
8406
8407         * options.h (class General_options): Add --noinhibit-exec option.
8408         * main.cc (main): Check --noinhibit-exec.
8409
8410         * options.h (class General_options): Define --wrap as a special
8411         option.  Add wrap_symbols_ field.
8412         (General_options::any_wrap_symbols): New function.
8413         (General_options::is_wrap_symbol): New function.
8414         * options.cc (General_options::parse_wrap): New function.
8415         (General_options::General_options): Initialize wrap_symbols_.
8416         * symtab.cc (Symbol_table::wrap_symbol): New function.
8417         (Symbol_table::add_from_object): Handle --wrap.
8418         * symtab.h (class Symbol_table): Declare wrap_symbol.
8419         * target.h (Target::wrap_char): New function.
8420         (Target::Target_info): Add wrap_char field.
8421         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8422         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8423         * testsuite/testfile.cc (Target_test::test_target_info):
8424         Likewise.
8425
8426         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8427         there is one.
8428
8429         * layout.h (class Layout): Add added_eh_frame_data_ field.
8430         * layout.cc (Layout::Layout): Initialize new field.
8431         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8432         output section until we find a section we merged successfully.
8433         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8434         that the size be non-zero.
8435
8436         * merge.cc (Object_merge_map::get_output_offset): Remove inline
8437         qualifier.
8438
8439 2008-04-08  Craig Silverstein  <csilvers@google.com>
8440
8441         * configure.ac: Export new conditional variable HAVE_ZLIB.
8442         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8443         on HAVE_ZLIB.
8444         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8445         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8446
8447 2008-04-07  Ian Lance Taylor  <iant@google.com>
8448
8449         * version.cc (version_string): Set to "1.5".
8450
8451         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8452         Add issued_non_pic_error_ field.  Declare check_non_pic.
8453         (Target_x86_64::Scan::check_non_pic): New function.
8454         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8455         (Target_x86_64::Scan::global): Likewise.
8456
8457         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8458         addend parameter.  Change caller.  Handle merge sections.
8459         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8460         Address to Addend.  Don't add in the result of
8461         local_section_offset, pass down the addend and use the returned
8462         value.
8463         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8464         Update declarations of local_section_offset and symbol_value.
8465         * testsuite/two_file_test_1.cc (t18): New function.
8466         * testsuite/two_file_test_2.cc (f18): New function.
8467         * testsuite/two_file_test_main.cc (main): Call t18.
8468         * testsuite/two_file_test.h (t18, f18): Declare.
8469
8470         * configure.ac: Don't test for objdump, c++filt, or readelf.
8471         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8472         conditionals.
8473         (TEST_READELF): New variable.
8474         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8475         (check_PROGRAMS): Add two_file_strip_test.
8476         (two_file_strip_test): New target.
8477         (check_PROGRAMS): Add two_file_same_shared_strip_test.
8478         (two_file_same_shared_strip_test_SOURCES): New variable.
8479         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8480         (two_file_same_shared_strip_test_LDFLAGS): New variable.
8481         (two_file_same_shared_strip_test_LDADD): New variable.
8482         (two_file_shared_strip.so): New target.
8483         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8484         (ver_test_5.syms, ver_test_7.syms): Likewise.
8485         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8486         (strip_test_3.stdout): Use TEST_OBJDUMP.
8487         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8488
8489 2008-04-04  Cary Coutant  <ccoutant@google.com>
8490
8491         * symtab.h (Symbol::is_weak_undefined): New function.
8492         (Symbol::is_strong_undefined): New function.
8493         (Symbol::is_absolute): New function.
8494         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8495         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8496         absolute symbols.
8497         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8498         (weak_undef_test): New target.
8499         * testsuite/Makefile.in: Rebuild.
8500         * testsuite/weak_undef_file1.cc: New file.
8501         * testsuite/weak_undef_file2.cc: New file.
8502         * testsuite/weak_undef_test.cc: New file.
8503
8504 2008-04-03  Craig Silverstein  <csilvers@google.com>
8505
8506         * compressed_output.h (class Output_compressed_section): Use
8507         unsigned buffer.
8508         * compressed_output.cc (zlib_compress): Use unsigned buffers,
8509         add zlib header.
8510         (zlib_compressed_suffix): Removed.
8511         (Output_compressed_section::set_final_data_size): Use unsigned
8512         buffers.
8513         * testsuite/Makefile.am (flagstest_compress_debug_sections):
8514         Fix linker invocation.
8515         (flagstest_o_specialfile_and_compress_debug_sections):
8516         Likewise.
8517         * testsuite/Makefile.in: Regenerated.
8518
8519 2008-04-02  David S. Miller  <davem@davemloft.net>
8520
8521         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8522         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8523
8524 2008-04-02  Craig Silverstein  <csilvers@google.com>
8525
8526         * TODO: New file.
8527
8528 2008-04-02  Ian Lance Taylor  <iant@google.com>
8529
8530         * fileread.cc (File_read::find_view): Add byteshift and vshifted
8531         parameters.  Update for new key type to views_.  Change all
8532         callers.
8533         (File_read::read): Adjust for byteshift in returned view.
8534         (File_read::add_view): New function, broken out of
8535         find_and_make_view.
8536         (File_read::make_view): New function, broken out of
8537         find_and_make_view.
8538         (File_read::find_or_make_view): Add offset and aligned
8539         parameters.  Rewrite accordingly.  Change all callers.
8540         (File_read::get_view): Add offset and aligned parameters.  Adjust
8541         for byteshift in return value.
8542         (File_read::get_lasting_view): Likewise.
8543         * fileread.h (class File_read): Update declarations.
8544         (class File_read::View): Add byteshift_ field.  Add byteshift to
8545         constructor.  Add byteshift method.
8546         * archive.h (Archive::clear_uncached_views): New function.
8547         (Archive::get_view): Add aligned parameter.  Change all callers.
8548         * object.h (Object::get_view): Add aligned parameter.  Change all
8549         callers.
8550         (Object::get_lasting_view): Likewise.
8551
8552         * fileread.cc (File_read::release): Don't call clear_views if
8553         there are multiple objects.
8554         * fileread.h (File_read::clear_uncached_views): New function.
8555         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8556         on the archive.
8557
8558 2008-03-31  Cary Coutant  <ccoutant@google.com>
8559
8560         Add thin archive support.
8561         * archive.cc (Archive::armagt): New const.
8562         (Archive::setup): Remove task parameter and calls to unlock.
8563         (Archive::unlock_nested_archives): New function.
8564         (Archive::read_header): Add nested_off parameter. Change
8565         all callers.
8566         (Archive::interpret_header): Likewise.
8567         (Archive::include_all_members): Change to handle thin
8568         archives.
8569         (Archive::include_member): Likewise.
8570         * archive.h (Archive::Archive): Add new parameters and
8571         initializers.
8572         (Archive::armagt): New const.
8573         (Archive::setup): Remove task parameter.
8574         (Archive::unlock_nested_archives): New function.
8575         (Archive::read_header): Add nested_off parameter.
8576         (Archive::interpret_header): Likewise.
8577         (Archive::Nested_archive_table): New typedef.
8578         (Archive::is_thin_archive_): New field.
8579         (Archive::nested_archives_): New field.
8580         (Archive::options_): New field.
8581         (Archive::dirpath_): New field.
8582         (Archive::task_): New field.
8583         * readsyms.cc (Read_symbols::do_read_symbols): Add check
8584         for thin archives.  Pass additional parameters to
8585         Archive::Archive.  Unlock the archive file after calling
8586         Archive::setup.
8587
8588 2008-03-29  Ian Lance Taylor  <iant@google.com>
8589
8590         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8591         version symbol to be local.
8592         * testsuite/ver_test_4.sh: New file.
8593         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8594         (check_DATA): Add ver_test_4.syms.
8595         (ver_test_4.syms): New target.
8596         * testsuite/Makefile.in: Rebuild.
8597
8598         * output.cc
8599         (Output_section::Input_section_sort_entry::has_priority): New
8600         function.
8601         (Output_section::Input_section_sort_entry::match_file_name): New
8602         function.
8603         (Output_section::Input_section_sort_entry::match_section_name):
8604         Remove.
8605         (Output_section::Input_section_sort_entry::match_section_name_prefix):
8606         Remove.
8607         (Output_section::Input_section_sort_entry::match_section_file):
8608         Remove.
8609         (Output_section::Input_section_sort_compare::operator()): Rewrite
8610         using new Input_section_sort_entry functions.  Sort crtbegin and
8611         crtend first.  Sort sections with no priority before sections with
8612         a priority.
8613         * testsuite/initpri1.c (d3): Check j != 4.
8614         (cd5): New constructor/destructor function.
8615         (main): Check j != 2.
8616
8617         * symtab.cc (Symbol_table::add_from_object): If we don't use the
8618         new symbol when resolving, don't call set_is_default.
8619         * testsuite/ver_test_7.cc: New file.
8620         * testsuite/ver_test_7.sh: New file.
8621         * testsuite/Makefile.am (ver_test_7.so): New target.
8622         (ver_test_7.o): New target.
8623         (check_SCRIPTS): Add ver_test_7.sh.
8624         (check_DATA): Add ver_test_7.syms.
8625         (ver_test_7.syms): New target.
8626
8627 2008-03-28  Ian Lance Taylor  <iant@google.com>
8628
8629         * layout.cc (Layout::layout): If we see an input section with a
8630         name that needs sorting, set the must_sort flag for the output
8631         section.
8632         (Layout::make_output_section): If the name of the output section
8633         indicates that it might require sorting, set the may_sort flag.
8634         * output.h (Output_section::may_sort_attached_input_sections): New
8635         function.
8636         (Output_section::set_may_sort_attached_input_sections): New
8637         function.
8638         (Output_section::must_sort_attached_input_sections): New
8639         function.
8640         (Output_section::set_must_sort_attached_input_sections): New
8641         function.
8642         (class Output_section): Declare Input_section_sort_entry.  Define
8643         Input_section_sort_compare.  Declare
8644         sort_attached_input_sections.  Add new fields:
8645         may_sort_attached_input_sections_,
8646         must_sort_attached_input_sections_,
8647         attached_input_sections_are_sorted_.
8648         * output.cc (Output_section::Output_section): Initialize new
8649         fields.
8650         (Output_section::add_input_section): Add an entry to
8651         input_sections_ if may_sort or must_sort are true.
8652         (Output_section::set_final_data_size): Call
8653         sort_attached_input_sections if necessary.
8654         (Output_section::Input_section_sort_entry): Define new class.
8655         (Output_section::Input_section_sort_compare::operator()): New
8656         function.
8657         (Output_section::sort_attached_input_sections): New function.
8658         * configure.ac: Check whether the compiler supports constructor
8659         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
8660         * testsuite/initpri1.c: New file.
8661         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8662         CONSTRUCTOR_PRIORITY.
8663         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8664         (initpri1_LDFLAGS): New variable.
8665         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8666
8667 2008-03-27  Ian Lance Taylor  <iant@google.com>
8668
8669         * common.cc (Sort_commons::operator): Correct sorting algorithm.
8670         * testsuite/common_test_1.c: New file.
8671         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8672         (common_test_1_SOURCES): New variable.
8673         (common_test_1_DEPENDENCIES): New variable.
8674         (common_test_1_LDFLAGS): New variable.
8675
8676         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8677         and commons_ correctly when NAME/VERSION does not override
8678         NAME/NULL.
8679         * testsuite/ver_test_6.c: New file.
8680         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
8681         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
8682         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
8683
8684 2008-03-26  Ian Lance Taylor  <iant@google.com>
8685
8686         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
8687         of an undefined symbol from a version script.
8688         * testsuite/Makefile.am (ver_test_5.so): New target.
8689         (ver_test_5.o): New target.
8690         (check_SCRIPTS): Add ver_test_5.sh.
8691         (check_DATA): Add ver_test_5.syms.
8692         (ver_test_5.syms): New target.
8693         * testsuite/ver_test_5.cc: New file.
8694         * testsuite/ver_test_5.script: New file.
8695         * testsuite/ver_test_5.sh: New file.
8696         * Makefile.in, testsuite/Makefile.in: Rebuild.
8697
8698         PR gold/5986
8699         Fix problems building gold with gcc 4.3.0.
8700         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
8701         (gold_error_at_location, gold_warning_at_location): Use it.
8702         * configure.ac: Check whether we can compile and use a template
8703         function with a printf attribute.
8704         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
8705         when jumping over bytes.
8706         * object.cc: Instantiate Object::read_section_data.
8707         * debug.h: Include <cstring>
8708         * dwarf_reader.cc: Include <algorithm>
8709         * main.cc: Include <cstring>.
8710         * options.cc: Include <cstring>.
8711         * output.cc: Include <cstring>.
8712         * script.cc: Include <cstring>.
8713         * script.h: Include <string>.
8714         * symtab.cc: Include <cstring> and <algorithm>.
8715         * target-select.cc: Include <cstring>.
8716         * version.cc: Include <string>.
8717         * testsuite/testmain.cc: Include <cstdlib>.
8718         * configure, config.in: Rebuild.
8719
8720 2008-03-25  Ian Lance Taylor  <iant@google.com>
8721
8722         * options.cc: Include "../bfd/bfdver.h".
8723         (options::help): Print bug reporting address.
8724
8725         * version.cc (print_version): Adjust output for current value of
8726         BFD_VERSION_STRING.
8727
8728         * NEWS: New file.
8729
8730         * options.cc (options::help): Print list of supported targets.
8731         * target-select.h: Include <vector>.
8732         (class Target_selector): Make machine_, size_, and is_big_endian_
8733         fields const.  Add bfd_name_ and instantiated_target_ fields.
8734         (Target_selector::Target_selector): Add bfd_name parameter.
8735         (Target_selector::recognize): Make non-virtual, call
8736         do_recognize.
8737         (Target_selector::recognize_by_name): Make non-virtual, call
8738         do_recognize_by_name.
8739         (Target_selector::supported_names): New function.
8740         (Target_selector::bfd_name): New function.
8741         (Target_selector::do_instantiate_target): New pure virtual
8742         function.
8743         (Target_selector::do_recognize): New virtual function.
8744         (Target_selector::do_recognize_by_name): New virtual function.
8745         (Target_selector::instantiate_target): New private function.
8746         (supported_target_names): Declare.
8747         * target-select.cc (Target_selector::Target_selector): Update for
8748         new parameter and fields.
8749         (select_target_by_name): Check that the name matches before
8750         calling recognize_by_name.
8751         (supported_target_names): New function.
8752         * i386.cc (class Target_selector_i386): Update Target_selector
8753         constructor call.  Remove recognize and recognize_by_name.  Add
8754         do_instantiate_target.
8755         * x86_64.cc (class Target_selector_x86_64): Likewise.
8756         * testsuite/testfile.cc (class Target_selector_test): Update for
8757         changes to Target_selector.
8758
8759         * README: Rewrite, with some notes on unsupported features.
8760
8761 2008-03-24  Cary Coutant  <ccoutant@google.com>
8762
8763         * i386.cc (Target_i386::Got_type): New enum declaration.
8764         (Target_i386::Scan::local): Updated callers of Output_data_got
8765         member functions.
8766         (Target_i386::Scan::global): Likewise.
8767         (Target_i386::Relocate::relocate): Likewise.
8768         (Target_i386::Relocate::relocate_tls): Likewise.
8769         * object.h (Got_offset_list): New class.
8770         (Sized_relobj::local_has_got_offset): Added got_type parameter.
8771         (Sized_relobj::local_got_offset): Likewise.
8772         (Sized_relobj::set_local_got_offset): Likewise.
8773         (Sized_relobj::local_has_tls_got_offset): Removed.
8774         (Sized_relobj::local_tls_got_offset): Removed.
8775         (Sized_relobj::set_local_tls_got_offset): Removed.
8776         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
8777         * output.cc (Output_data_got::add_global): Added got_type parameter.
8778         (Output_data_got::add_global_with_rel): Likewise.
8779         (Output_data_got::add_global_with_rela): Likewise.
8780         (Output_data_got::add_global_pair_with_rel): New function.
8781         (Output_data_got::add_global_pair_with_rela): New function.
8782         (Output_data_got::add_local): Added got_type parameter.
8783         (Output_data_got::add_local_with_rel): Likewise.
8784         (Output_data_got::add_local_with_rela): Likewise.
8785         (Output_data_got::add_local_pair_with_rel): New function.
8786         (Output_data_got::add_local_pair_with_rela): New function.
8787         (Output_data_got::add_global_tls): Removed.
8788         (Output_data_got::add_global_tls_with_rel): Removed.
8789         (Output_data_got::add_global_tls_with_rela): Removed.
8790         (Output_data_got::add_local_tls): Removed.
8791         (Output_data_got::add_local_tls_with_rel): Removed.
8792         (Output_data_got::add_local_tls_with_rela): Removed.
8793         * output.h (Output_data_got::add_global): Added got_type parameter.
8794         (Output_data_got::add_global_with_rel): Likewise.
8795         (Output_data_got::add_global_with_rela): Likewise.
8796         (Output_data_got::add_global_pair_with_rel): New function.
8797         (Output_data_got::add_global_pair_with_rela): New function.
8798         (Output_data_got::add_local): Added got_type parameter.
8799         (Output_data_got::add_local_with_rel): Likewise.
8800         (Output_data_got::add_local_with_rela): Likewise.
8801         (Output_data_got::add_local_pair_with_rel): New function.
8802         (Output_data_got::add_local_pair_with_rela): New function.
8803         (Output_data_got::add_global_tls): Removed.
8804         (Output_data_got::add_global_tls_with_rel): Removed.
8805         (Output_data_got::add_global_tls_with_rela): Removed.
8806         (Output_data_got::add_local_tls): Removed.
8807         (Output_data_got::add_local_tls_with_rel): Removed.
8808         (Output_data_got::add_local_tls_with_rela): Removed.
8809         * resolve.cc (Symbol::override_base_with_special): Removed
8810         reference to has_got_offset_ field.
8811         * symtab.cc (Symbol::init_fields): Replaced initialization
8812         of got_offset_ with got_offsets_.  Removed initialization
8813         of has_got_offset_
8814         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
8815         (Symbol::got_offset): Likewise.
8816         (Symbol::set_got_offset): Likewise.
8817         (Symbol::has_tls_got_offset): Removed.
8818         (Symbol::tls_got_offset): Removed.
8819         (Symbol::set_tls_got_offset): Removed.
8820         (Symbol::got_offset_): Removed.
8821         (Symbol::tls_mod_got_offset_): Removed.
8822         (Symbol::tls_pair_got_offset_): Removed.
8823         (Symbol::got_offsets_): New field.
8824         (Symbol::has_got_offset): Removed.
8825         (Symbol::has_tls_mod_got_offset): Removed.
8826         (Symbol::has_tls_pair_got_offset): Removed.
8827         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8828         (Target_x86_64::Scan::local): Updated callers of Output_data_got
8829         member functions.
8830         (Target_x86_64::Scan::global): Likewise.
8831         (Target_x86_64::Relocate::relocate): Likewise.
8832         (Target_x86_64::Relocate::relocate_tls): Likewise.
8833
8834 2008-03-25  Ben Elliston  <bje@au.ibm.com>
8835
8836         * yyscript.y: Fix spelling error in comment.
8837
8838 2008-03-24  Ian Lance Taylor  <iant@google.com>
8839
8840         * options.h (class General_options): Define build_id option.
8841         * layout.h (class Layout): Declare write_build_id, create_note,
8842         create_build_id.  Add build_id_note_ member.
8843         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8844         "libiberty.h", "md5.h", "sha1.h".
8845         (Layout::Layout): Initialize eh_frame_data_,
8846         eh_frame_hdr_section_, and build_id_note_.
8847         (Layout::finalize): Call create_build_id.
8848         (Layout::create_note): New function, broken out of
8849         Layout::create_gold_note.
8850         (Layout::create_gold_note): Call create_note.
8851         (Layout::create_build_id): New function.
8852         (Layout::write_build_id): New function.
8853         (Close_task_runner::run): Call write_build_id.
8854
8855         * x86_64.cc: Correct license to GPLv3.
8856
8857 2008-03-23  Ian Lance Taylor  <iant@google.com>
8858
8859         * options.cc: Include "demangle.h".
8860         (parse_optional_string): New function.
8861         (parse_long_option): Handle takes_optional_argument.
8862         (parse_short_option): Update dash_z initializer.  Handle
8863         takes_optional_argument.
8864         (General_options::General_options): Initialize do_demangle_.
8865         (General_options::finalize): Set do_demangle_.  Handle demangling
8866         style.
8867         * options.h (parse_optional_string): Declare.
8868         (struct One_option): Add optional_arg field.  Update constructor.
8869         Update call constructor calls.  Add takes_optional_argument
8870         function.
8871         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
8872         (DEFINE_optional_string): Define.
8873         (General_options::demangle): Change from DEFINE_bool to
8874         DEFINE_optional_string.
8875         (General_options::no_demangle): New function.
8876         (General_options::do_demangle): New function.
8877         (General_options::set_do_demangle): New function.
8878         (General_options::execstack_status_): Move definition to end of
8879         class definition.
8880         (General_options::static_): Likewise.
8881         (General_options::do_demangle_): New field.
8882         * object.cc (big_endian>::get_symbol_location_info): Call
8883         Options::do_demangle, not Options::demangle.
8884         * symtab.cc (demangle): Likewise.
8885
8886 2008-03-22  Ian Lance Taylor  <iant@google.com>
8887
8888         * gold.h: Include <cstddef> and <sys/types.h>
8889         * options.h: Include <cstring>.
8890
8891 2008-03-21  Ian Lance Taylor  <iant@google.com>
8892
8893         * Added source code to GNU binutils.