536dea2b940fed37a37983abeaba8ca9756ffb4a
[external/binutils.git] / gold / ChangeLog
1 2011-07-06  Cary Coutant  <ccoutant@google.com>
2
3         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
4         input file index to Script_info ctor.
5         (Sized_incremental_binary::do_file_has_changed): Find the
6         command-line argument for files named in scripts.
7         * incremental.h (Script_info::Script_info): New ctor
8         with input file index.
9         (Script_info::input_file_index): New function.
10         (Script_info::input_file_index_): New data member.
11         (Incremental_binary::get_library): Add const.
12         (Incremental_binary::get_script_info): Add const.
13         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
14         * testsuite/Makefile.am (incremental_test_5): New test case.
15         (incremental_test_6): New test case.
16         * testsuite/Makefile.in: Regenerate.
17
18 2011-07-06  Cary Coutant  <ccoutant@google.com>
19
20         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
21         debug output when command lines differ.
22
23 2011-07-06  Cary Coutant  <ccoutant@google.com>
24
25         * incremental.cc (Incremental_inputs::report_command_line): Ignore
26         --incremental-patch option.
27         * layout.cc (Free_list::allocate): Extend allocation beyond original
28         end if enabled.
29         (Layout::make_output_section): Mark sections that should get
30         patch space.
31         * options.cc (parse_percent): New function.
32         * options.h (parse_percent): New function.
33         (DEFINE_percent): New macro.
34         (General_options): Add --incremental-patch option.
35         * output.cc (Output_section::Output_section): Initialize new data
36         members.
37         (Output_section::add_input_section): Print section name when out
38         of patch space.
39         (Output_section::add_output_section_data): Likewise.
40         (Output_section::set_final_data_size): Add patch space when
41         doing --incremental-full.
42         (Output_section::do_reset_address_and_file_offset): Remove patch
43         space.
44         (Output_segment::set_section_list_addresses): Print debug output
45         only if --incremental-update.
46         * output.h (Output_section::set_is_patch_space_allowed): New function.
47         (Output_section::is_patch_space_allowed_): New data member.
48         (Output_section::patch_space_): New data member.
49         * parameters.cc (Parameters::incremental_full): New function.
50         * parameters.h (Parameters::incremental_full): New function
51         * testsuite/Makefile.am (incremental_test_2): Add test for
52         --incremental-patch option.
53         * testsuite/Makefile.in: Regenerate.
54         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
55         (t18): Remove function body.
56
57 2011-07-05  Doug Kwan  <dougkwan@google.com>
58
59         PR gold/12771
60         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
61         Arm_Address type for relocation result.
62         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
63         overflow check.
64         (Arm_relocate_functions::abs32): Use unaligned access.
65         (Arm_relocate_functions::rel32): Ditto.
66         (Arm_relocate_functions::prel31): Ditto.
67         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
68         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
69         static data relocations.
70         * testsuite/Makefile.in: Regnerate.
71         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
72
73 2011-07-05  Ian Lance Taylor  <iant@google.com>
74
75         PR gold/12392
76         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
77         symbols if necessary.
78         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
79
80 2011-07-05  Ian Lance Taylor  <iant@google.com>
81
82         PR gold/12952
83         * resolve.cc (Symbol::override_base_with_special): Simply override
84         version with special symbol version, ignoring previous version.
85
86 2011-07-05  Ian Lance Taylor  <iant@google.com>
87
88         * object.cc (Sized_relobj_file::include_section_group): Add
89         information to comment about signature location.
90
91 2011-07-02  Ian Lance Taylor  <iant@google.com>
92
93         PR gold/12957
94         * options.h (class General_options): Add -f and -F.
95         * options.cc (General_options::finalize): Fatal error if -f/-F
96         are used without -shared.
97         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
98
99 2011-07-02  Ian Lance Taylor  <iant@google.com>
100
101         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
102
103 2011-07-01  Ian Lance Taylor  <iant@google.com>
104
105         PR gold/12525
106         PR gold/12952
107         * resolve.cc (Symbol::override_base_with_special): Don't override
108         the version if the overriding symbol has a different name.
109         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
110         all callers.  If we give an error about an undefined version,
111         define the base version if necessary.
112         * dynobj.h (class Versions): Update declaration.
113         * testsuite/weak_alias_test_5.cc: New file.
114         * testsuite/weak_alias_test.script: New file.
115         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
116         and versioned_alias have the right value, and call t2.
117         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
118         weak_alias_test_5.so.
119         (weak_alias_test_LDADD): Likewise.
120         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
121         * testsuite/Makefile.in: Rebuild.
122
123 2011-07-01  Ian Lance Taylor  <iant@google.com>
124
125         PR gold/12525
126         * options.h (class General_options): Support -z notext.
127         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
128         -Wl,-z,notext.
129         (two_file_shared_nonpic.so): Likewise.
130         (two_file_shared_mixed.so): Likewise.
131         (two_file_shared_mixed_1.so): Likewise.
132         (weak_undef_lib_nonpic.so): Likewise.
133         (alt/weak_undef_lib_nonpic.so): Likewise.
134         (tls_test_shared_nonpic.so): Likewise.
135         * testsuite/Makefile.in: Rebuild.
136
137 2011-07-01  Ian Lance Taylor  <iant@google.com>
138
139         PR gold/12525
140         * configure.ac: Test whether static linking works, setting
141         the automake conditional HAVE_STATIC.
142         * testsuite/Makefile.am: Disable tests using -static if
143         HAVE_STATIC is not true.
144         * configure, testsuite/Makefile.in: Rebuild.
145
146 2011-07-01  Ian Lance Taylor  <iant@google.com>
147
148         PR gold/12525
149         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
150         Assert if we see DW_EH_PE_indirect.
151         * target.h (Target::ehframe_datarel_base): New function.
152         (Target::do_ehframe_datarel_base): New target function.
153         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
154         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
155         function.
156
157 2011-07-01  Ian Lance Taylor  <iant@google.com>
158
159         PR gold/12571
160         * options.h (class General_options): Add
161         --ld-generated-unwind-info.
162         * ehframe.cc (Fde::write): Add address parameter.  Change all
163         callers.  If associated with PLT, fill in address and size.
164         (Cie::set_output_offset): Only add merge mapping if there is an
165         object.
166         (Cie::write): Add address parameter.  Change all callers.
167         (Eh_frame::add_ehframe_for_plt): New function.
168         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
169         input_offset_ fields into union u_, with new plt field.
170         (Fde::Fde): Adjust for new union field.
171         (Fde::Fde) [Output_data version]: New constructor.
172         (Fde::add_mapping): Only add merge mapping if there is an object.
173         (class Cie): Update declarations.
174         (class Eh_frame): Declare add_ehframe_for_plt.
175         * layout.cc (Layout::layout_eh_frame): Break out code into
176         make_eh_frame_section, and call it.
177         (Layout::make_eh_frame_section): New function.
178         (Layout::add_eh_frame_for_plt): New function.
179         * layout.h (class Layout): Update declarations.
180         * merge.cc (Merge_map::add_mapping): Add assertion.
181         * i386.cc: Include "dwarf.h".
182         (class Output_data_plt_i386): Make first_plt_entry,
183         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
184         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
185         and plt_eh_frame_fde.
186         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
187         boundary.  Call add_eh_frame_for_plt if appropriate.
188         * x86_64.cc: Include "dwarf.h".
189         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
190         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
191         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
192         and plt_eh_frame_fde.
193         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
194         appropriate.
195
196 2011-06-29  Ian Lance Taylor  <iant@google.com>
197
198         PR gold/12629
199         * object.cc (Sized_relobj_file::layout_section): Change shdr
200         parameter to be const.
201         (Sized_relobj_file::layout_eh_frame_section): New function, broken
202         out of do_layout.
203         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
204         appropriate.  Call layout_eh_frame_section.
205         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
206         sections.
207         * object.h (class Sized_relobj_file): Update declarations.
208
209 2011-06-29  Ian Lance Taylor  <iant@google.com>
210
211         PR gold/12652
212         * script.cc (Token::integer_value): Accept trailing M/m/K/k
213         modifier.
214         (Lex::gather_token): Accept trailing M/m/K/k for integers.
215
216 2011-06-29  Ian Lance Taylor  <iant@google.com>
217
218         PR gold/12675
219         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
220         SHT_X86_64_UNWIND.
221         * layout.cc (Layout::layout_eh_frame): Likewise.
222
223 2011-06-29  Ian Lance Taylor  <iant@google.com>
224
225         PR gold/12695
226         * layout.cc (Layout::symtab_section_shndx): New function.
227         * layout.h (class Layout): Declare symtab_section_shndx.
228         * output.cc (Output_section::write_header): Call it.
229
230 2011-06-29  Ian Lance Taylor  <iant@google.com>
231
232         PR gold/12818
233         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
234         symbols which are not used in a relocation.
235
236 2011-06-28  Ian Lance Taylor  <iant@google.com>
237
238         PR gold/12898
239         * layout.cc (Layout::segment_precedes): Don't crash if a linker
240         script create indistinguishable segments.
241         (Layout::set_segment_offsets): Use stable_sort when sorting
242         segments.  Pass this to Compare_segments constructor.
243         * layout.h (class Layout): Make segment_precedes non-static.
244         (class Compare_segments): Change from struct to class.  Add
245         layout_ field.  Add constructor.
246         * script-sections.cc
247         (Script_sections::attach_sections_using_phdrs_clause): Rename
248         local orphan to is_orphan.  Don't report failure to put empty
249         section in segment.  On attachment failure, report name of
250         section, and attach to first PT_LOAD segment.
251
252 2011-06-28  Ian Lance Taylor  <iant@google.com>
253
254         PR gold/12934
255         * target-select.cc (Target_selector::Target_selector): Add
256         emulation parameter.  Change all callers.
257         (select_target_by_bfd_name): Rename from select_target_by_name.
258         Change all callers.
259         (select_target_by_emulation): New function.
260         (supported_emulation_names): New function.
261         * target-select.h (class Target_selector): Add emulation_ field.
262         Update declarations.
263         (Target_selector::recognize_by_bfd_name): Rename from
264         recognize_by_name.  Change all callers.
265         (Target_selector::supported_bfd_names): Rename from
266         supported_names.  Change all callers.
267         (Target_selector::recognize_by_emulation): New function.
268         (Target_selector::supported_emulations): New function.
269         (Target_selector::emulation): New function.
270         (Target_selector::do_recognize_by_bfd_name): Rename from
271         do_recognize_by_name.  Change all callers.
272         (Target_selector::do_supported_bfd_names): Rename from
273         do_supported_names.  Change all callers.
274         (Target_selector::do_recognize_by_emulation): New function.
275         (Target_selector::do_supported_emulations): New function.
276         (select_target_by_bfd_name): Change name in declaration.
277         (select_target_by_emulation): Declare.
278         (supported_emulation_names): Declare.
279         * parameters.cc (parameters_force_valid_target): Try to find
280         target based on emulation from -m option.
281         * options.h (class General_options): Change doc string for -m.
282         * options.cc (help): Print emulations.
283         (General_options::parse_V): Likewise.
284         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
285         Add emulation parameter.  Change all callers.
286
287 2011-06-28  Ian Lance Taylor  <iant@google.com>
288
289         * target.h (class Target): Add osabi_ field.
290         (Target::osabi): New function.
291         (Target::set_osabi): New function.
292         (Target::Target): Initialize osabi_.
293         (Target::do_adjust_elf_header): Make pure virtual.
294         (Sized_target::do_adjust_elf_header): Declare.
295         * target.cc (Sized_target::do_adjust_elf_header): New function.
296         (class Sized_target): Instantiate all versions.
297         * freebsd.h (class Target_freebsd): Remove.
298         (Target_selector_freebsd::do_recognize): Call set_osabi on
299         Target.
300         (Target_selector_freebsd::do_recognize_by_name): Likewise.
301         (Target_selector_freebsd::set_osabi): Remove.
302         * i386.cc (class Target_i386): Inherit from Sized_target rather
303         than Target_freebsd.
304         * x86_64.cc (class Target_x86_64): Likewise.
305
306 2011-06-28  Ian Lance Taylor  <iant@google.com>
307
308         * target.h (Target::can_check_for_function_pointers): Rewrite.
309         Make non-virtual.
310         (Target::can_icf_inline_merge_sections): Likewise.
311         (Target::section_may_have_icf_unsafe_poineters): Likewise.
312         (Target::Target_info): Add can_icf_inline_merge_sections field.
313         (Target::do_can_check_for_function_pointers): New virtual
314         function.
315         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
316         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
317         from can_check_for_function_pointers, move in file.
318         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
319         section_may_have_icf_unsafe_poineters, move in file.
320         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
321         * i386.cc (Target_i386::do_can_check_for_function_pointers):
322         Rename from can_check_for_function_pointers, move in file.
323         (Target_i386::can_icf_inline_merge_sections): Remove.
324         (Target_i386::i386_info): Initialize
325         can_icf_inline_merge_sections.
326         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
327         Initialize can_icf_inline_merge_sections.
328         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
329         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
330         Rename from can_check_for_function_pointers, move in file.
331         (Target_x86_64::can_icf_inline_merge_sections): Remove.
332         (Target_x86_64::x86_64_info): Initialize
333         can_icf_inline_merge_sections.
334         * testsuite/testfile.cc (Target_test::test_target_info):
335         Likewise.
336         * icf.cc (get_section_contents): Correct formatting.
337
338 2011-06-27  Ian Lance Taylor  <iant@google.com>
339
340         * symtab.cc (Symbol::versioned_name): New function.
341         (Symbol_table::add_to_final_symtab): Use versioned_name when
342         appropriate.
343         (Symbol_table::sized_write_symbol): Likewise.
344         * symtab.h (class Symbol): Declare versioned_name.
345         * stringpool.h (class Stringpool_template): Add variant of add
346         which takes a std::basic_string.
347         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
348         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
349         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
350         (ver_test_12.o): New target.
351         * testsuite/Makefile.in: Rebuild.
352
353 2011-06-27  Doug Kwan  <dougkwan@google.com>
354
355         * arm.cc (Arm_relocate_functions::thm_jump8,
356         Arm_relocate_functions::thm_jump11): Use a wider signed
357         type to compute offset.
358         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
359         arm_thm_jump8.
360         * testsuite/Makefile.in: Regenerate.
361         * testsuite/arm_branch_in_range.sh: Check test results of
362         arm_thm_jump11 and arm_thm_jump8.
363         * testsuite/arm_thm_jump11.s: New test source file.
364         * testsuite/arm_thm_jump11.t: New linker script.
365         * testsuite/arm_thm_jump8.s: New test source file.
366         * testsuite/arm_thm_jump8.t: New linker script.
367
368 2011-06-24  Ian Lance Taylor  <iant@google.com>
369
370         * layout.cc: Include "object.h".
371         (ctors_sections_in_init_array): New static variable.
372         (Layout::is_ctors_in_init_array): New function.
373         (Layout::layout): Add entry to ctors_sections_in_init_array if
374         appropriate.
375         * layout.h (class Layout): Declare is_ctors_in_init_array.
376         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
377         is_ctors_reverse_view is set.
378         (Sized_relobj_file::write_sections): Add layout parameter.  Change
379         all callers.  Set is_ctors_reverse_view field of View_size.
380         (Sized_relobj_file::reverse_words): New function.
381         * object.h (Sized_relobj_file::View_size): Add
382         is_ctors_reverse_view field.
383         (class Sized_relobj_file): Update declarations.
384         * testsuite/initpri3.c: New test.
385         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
386         initpri3b.
387         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
388         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
389         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
390         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
391         * testsuite/Makefile.in: Rebuild.
392
393 2011-06-24  Cary Coutant  <ccoutant@google.com>
394
395         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
396         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
397         (debug_msg_cdebug.err): New targets.
398         * testsuite/Makefile.in: Regenerate.
399         * testsuite/debug_msg.sh: Check output of link with compressed debug.
400         Fix checks for link with shared library.
401
402 2011-06-24  Doug Kwan  <dougkwan@google.com>
403
404         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
405         skip empty text sections.
406         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
407
408 2011-06-22  Ian Lance Taylor  <iant@google.com>
409
410         PR gold/12910
411         * options.h (class General_options): Add --ctors-in-init-array.
412         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
413         friends as SHT_PROGBITS for merging sections.
414         (Layout::layout): Remove special handling of .init_array and
415         friends.  Don't sort if doing relocatable link.  Sort for .ctors
416         and .dtors if ctors_in_init_array.
417         (Layout::make_output_section): Force correct section types for
418         .init_array and friends.  Don't sort if doing relocatable link,
419         Don't sort .ctors and .dtors if ctors_in_init_array.
420         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
421         (Layout::output_section_name): Add relobj parameter.  Change all
422         callers.  Handle .ctors. and .dtors. in code rather than table.
423         Handle .ctors and .dtors if ctors_in_init_array.
424         (Layout::match_file_name): New function, moved from output.cc.
425         * layout.h (class Layout): Update declarations.
426         * output.cc: Include "layout.h".
427         (Input_section_sort_entry::get_priority): New function.
428         (Input_section_sort_entry::match_file_name): Just call
429         Layout::match_file_name.
430         (Output_section::Input_section_sort_init_fini_compare::operator()):
431         Handle .ctors and .dtors.  Sort by explicit priority rather than
432         by name.
433         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
434         * testsuite/initpri2.c: New test.
435         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
436         (check_PROGRAMS): Add initpri2.
437         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
438         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
439         * configure, testsuite/Makefile.in: Rebuild.
440
441 2011-06-19  Ian Lance Taylor  <iant@google.com>
442
443         PR gold/12880
444         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
445         .interp section to a PT_INTERP segment even if we have seen a
446         --dynamic-linker option.  Don't do it if we have seen a PHDRS
447         clause in a linker script.
448         (Layout::finalize): Don't create a .interp section if we've
449         already create a PT_INTERP segment.
450         (Layout::create_interp): Always call choose_output_section (revert
451         patch of 2011-06-17).  Don't create PT_INTERP segment.
452         * script-sections.cc
453         (Script_sections::create_note_and_tls_segments): Add a .interp
454         section to a PT_INTERP segment even if we have seen a
455         --dynamic-linker option.
456
457 2011-06-18  Ian Lance Taylor  <iant@google.com>
458
459         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
460         merely because a non-PT_LOAD segment has a dynamic reloc.
461
462 2011-06-18  Ian Lance Taylor  <iant@google.com>
463
464         * layout.cc (Layout::finish_dynamic_section): Don't create
465         DT_FLAGS entry if not needed.
466
467 2011-06-18  Ian Lance Taylor  <iant@google.com>
468
469         PR gold/12745
470         * layout.cc (Layout::layout_eh_frame): Correct handling of
471         writable .eh_frame section.
472
473 2011-06-17  Ian Lance Taylor  <iant@google.com>
474
475         PR gold/12893
476         * resolve.cc (Symbol_table::resolve): Don't give an error if a
477         symbol is redefined with the exact same object and value.
478
479 2011-06-17  Ian Lance Taylor  <iant@google.com>
480
481         PR gold/12880
482         * layout.h (class Layout): Add interp_segment_ field.
483         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
484         (Layout::attach_allocated_section_to_segment): If making shared
485         library, put .interp section in PT_INTERP segment.
486         (Layout::finalize): Also call create_interp if -dynamic-linker
487         option was used.
488         (Layout::create_interp): Assert that there is no PT_INTERP
489         segment.  If not using a SECTIONS clause, use make_output_section.
490         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
491         * script-sections.cc
492         (Script_sections::create_note_and_tls_segments): If making shared
493         library, put .interp section in PT_INTERP segment.
494
495 2011-06-17  Ian Lance Taylor  <iant@google.com>
496
497         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
498         when making a shared library.
499
500 2011-06-17  Ian Lance Taylor  <iant@google.com>
501
502         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
503         parameter.  Change all callers.  Don't issue warning about PC32
504         against locally defined symbol.
505
506 2011-06-16  Ian Lance Taylor  <iant@google.com>
507
508         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
509         occurs in same object.
510
511 2011-06-14  Alan Modra  <amodra@gmail.com>
512
513         * po/POTFILES.in: Regenerate.
514
515 2011-06-09  Ian Lance Taylor  <iant@google.com>
516
517         * script-sections.cc
518         (Orphan_output_section::set_section_addresses): For a relocatable
519         link set address to 0.
520
521 2011-06-09  Cary Coutant  <ccoutant@google.com>
522
523         PR gold/12804
524         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
525         used with --compress-debug-sections.
526         * gold/object.cc (Sized_relobj_file::do_layout): Report
527         uncompressed size of compressed input sections.
528
529 2011-06-08  Cary Coutant  <ccoutant@google.com>
530
531         PR gold/12804
532         * testsuite/two_file_test_2_v1.cc: Change initialization of
533         v2 to keep it in .data.
534
535 2011-06-07  Cary Coutant  <ccoutant@google.com>
536
537         * common.cc (Symbol_table::do_allocate_commons_list): Call
538         gold_fallback.
539         * errors.cc (Errors::fatal): Adjust call to gold_exit.
540         (Errors::fallback): New function.
541         (gold_fallback): New function.
542         * errors.h (Errors::fallback): New function.
543         * gold.cc (gold_exit): Change status parameter to enum; adjust
544         all callers.
545         (queue_initial_tasks): Call gold_fallback.
546         * gold.h: Include cstdlib.
547         (Exit_status): New enum type.
548         (gold_exit): Change status parameter to enum.
549         (gold_fallback): New function.
550         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
551         (Layout::create_symtab_sections): Likewise.
552         (Layout::create_shdrs): Likewise.
553         * main.cc (main): Adjust call to gold_exit.
554         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
555         (Output_data_got::add_got_entry_pair): Likewise.
556         (Output_section::add_input_section): Likewise.
557         (Output_section::add_output_section_data): Likewise.
558         (Output_segment::set_section_list_addresses): Likewise.
559         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
560
561 2011-06-07  Cary Coutant  <ccoutant@google.com>
562
563         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
564         for incremental links.
565         * output.cc (Output_segment::set_section_list_addresses): Remove
566         FIXME and test for TLS or BSS.
567
568 2011-06-07  Cary Coutant  <ccoutant@google.com>
569
570         * testsuite/Makefile.am: Add incremental_copy_test,
571         incremental_common_test_1.
572         * testsuite/Makefile.in: Regenerate.
573         * testsuite/common_test_1_v1.c: New source file.
574         * testsuite/common_test_1_v2.c: New source file.
575         * testsuite/copy_test_v1.cc: New source file.
576
577 2011-06-07  Cary Coutant  <ccoutant@google.com>
578
579         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
580         update, allocate common from bss section's free list.
581         * incremental-dump.cc (dump_incremental_inputs): Print flag for
582         linker-defined symbols.
583         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
584         Skip GOT and PLT entries that are no longer referenced.
585         (Output_section_incremental_inputs::write_info_blocks): Mark
586         linker-defined symbols.
587         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
588         * output.cc (Output_section::allocate): New function.
589         * output.h (Output_section::allocate): New function.
590         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
591         linker-defined symbols.
592         (Symbol::override_base_with_special): Copy is_predefined_ flag.
593         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
594         (Symbol::init_base_output_data): Likewise.
595         (Symbol::init_base_output_segment): Likewise.
596         (Symbol::init_base_constant): Likewise.
597         (Sized_symbol::init_output_data): Likewise.
598         (Sized_symbol::init_output_segment): Likewise.
599         (Sized_symbol::init_constant): Likewise.
600         (Symbol_table::do_define_in_output_data): Likewise.
601         (Symbol_table::do_define_in_output_segment): Likewise.
602         (Symbol_table::do_define_as_constant): Likewise.
603         * symtab.h (Symbol::is_predefined): New function.
604         (Symbol::init_base_output_data): Add is_predefined parameter.
605         (Symbol::init_base_output_segment): Likewise.
606         (Symbol::init_base_constant): Likewise.
607         (Symbol::is_predefined_): New data member.
608         (Sized_symbol::init_output_data): Add is_predefined parameter.
609         (Sized_symbol::init_output_segment): Likewise.
610         (Sized_symbol::init_constant): Likewise.
611         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
612
613 2011-06-07  Cary Coutant  <ccoutant@google.com>
614
615         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
616         instead of emit_copy_reloc.
617         (Copy_relocs::emit_copy_reloc): Refactor.
618         (Copy_relocs::make_copy_reloc): New function.
619         (Copy_relocs::add_copy_reloc): Remove.
620         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
621         section.
622         (Copy_relocs::make_copy_reloc): New function.
623         (Copy_relocs::add_copy_reloc): Remove.
624         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
625         unchanged input files.
626         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
627         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
628         Reserve BSS space for COPY relocations.
629         (Sized_incremental_binary::do_emit_copy_relocs): New function.
630         (Output_section_incremental_inputs::write_info_blocks): Record
631         whether a symbol is copied from a shared object.
632         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
633         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
634         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
635         (Incremental_input_entry_reader::get_output_symbol_index): Add
636         is_copy parameter.
637         (Incremental_binary::emit_copy_relocs): New function.
638         (Incremental_binary::do_emit_copy_relocs): New function.
639         (Sized_incremental_binary::Sized_incremental_binary): Initialize
640         new data member.
641         (Sized_incremental_binary::add_copy_reloc): New function.
642         (Sized_incremental_binary::do_emit_copy_relocs): New function.
643         (Sized_incremental_binary::Copy_reloc): New struct.
644         (Sized_incremental_binary::Copy_relocs): New typedef.
645         (Sized_incremental_binary::copy_relocs_): New data member.
646         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
647         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
648         * target.h (Sized_target::emit_copy_reloc): New function.
649         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
650
651 2011-06-02  Cary Coutant  <ccoutant@google.com>
652
653         PR gold/12163
654         * gold/archive.cc (Archive::Archive): Initialize new data member.
655         (Archive::include_all_members): Return if archive has already been
656         included.
657         * gold/archive.h (Archive::include_all_members_): New data member.
658
659 2011-06-02  Nick Clifton  <nickc@redhat.com>
660
661         * dynobj.h: Fix spelling mistake in comment.
662         * output.cc: Likewise.
663
664 2011-05-31  Doug Kwan  <dougkwan@google.com>
665             Asier Llano
666
667         PR gold/12826
668         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
669         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
670         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
671         redundant arm_exidx_test.so.
672         * testsuite/Makefile.in: Regenerate.
673         (check_SCRIPTS): Add pr12826.sh
674         (check_DATA): Add pr12826.stdout
675         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
676         * testsuite/pr12826.sh: New file.
677         * testsuite/pr12826_1.s: Ditto.
678         * testsuite/pr12826_1.s: Ditto.
679
680 2011-05-30  Ian Lance Taylor  <iant@google.com>
681
682         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
683         sections.
684
685 2011-05-29  Ian Lance Taylor  <iant@google.com>
686
687         PR gold/12804
688         * testsuite/Makefile.am: Use different file name for two_file_test
689         temporary file for each incremental test.
690         * testsuite/Makefile.in: Rebuild.
691
692 2011-05-29  Ian Lance Taylor  <iant@google.com>
693
694         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
695         binary input file is empty.
696
697 2011-05-27  Ian Lance Taylor  <iant@google.com>
698
699         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
700         (ver_test_9.so): Likewise.
701         * testsuite/Makefile.in: Rebuild.
702
703 2011-05-26 Cary Coutant  <ccoutant@google.com>
704
705         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
706         * incremental.cc (Incremental_inputs::report_input_section): Fix
707         comment, indentation.
708         (Incremental_inputs::report_comdat_group): New function.
709         (Output_section_incremental_inputs::set_final_data_size): Adjust size
710         of data for incremental input file entry.
711         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
712         group count, COMDAT group signatures.
713         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
714         an unchanged input file.
715         * incremental.h (Incremental_object_entry::Incremental_object_entry):
716         Initialize new data member.
717         (Incremental_object_entry::add_comdat_group): New function.
718         (Incremental_object_entry::get_comdat_group_count): New function.
719         (Incremental_object_entry::get_comdat_signature_key): New function.
720         (Incremental_object_entry::groups_): New data member.
721         (Incremental_inputs::report_comdat_group): New function.
722         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
723         data for incremental input file entry.
724         (Incremental_input_entry_reader::get_comdat_group_count): New function.
725         (Incremental_input_entry_reader::get_input_section): Adjust size of
726         data for incremental input file entry.
727         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
728         (Incremental_input_entry_reader::get_comdat_group_signature): New
729         function.
730         * object.cc (Sized_relobj::include_section_group): Report kept
731         COMDAT groups for incremental links.
732
733 2011-05-24  David Meyer  <pdox@google.com>
734
735         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
736         with name parameter.  Add found_name parameter.
737         * fileread.cc (Input_file::find_file): Adjust code accordingly.
738         * dirsearch.h (class Dirsearch): Update declaration.
739
740 2011-05-24  Ian Lance Taylor  <iant@google.com>
741
742         * archive.cc (Library_base::should_include_member): Pull in object
743         from archive if it defines the entry symbol.
744         * parameters.cc (Parameters::entry): New function.
745         * parameters.h (class Parameters): Declare entry.
746         * output.h (class Output_file_header): Remove entry_ field.
747         * output.cc (Output_file_header::Output_file_header): Remove entry
748         parameter.  Change all callers.
749         (Output_file_header::entry): Use parameters->entry.
750         * gold.cc (queue_middle_tasks): Likewise.
751         * plugin.cc (Plugin_hook::run): Likewise.
752
753 2011-05-24 Cary Coutant  <ccoutant@google.com>
754
755         * gold.cc (queue_initial_tasks): Pass incremental base filename
756         to Output_file::open_base_file; don't print error message.
757         * incremental-dump.cc (main): Adjust call to
758         Output_file::open_for_modification.
759         * incremental-dump.cc (main): Likewise.
760         * incremental.cc (Incremental_inputs::report_command_line):
761         Ignore --incremental-base option when comparing command lines.
762         Ignore parameter when given as separate argument.
763         * options.h (class General_options): Add --incremental-base.
764         * output.cc (Output_file::Output_file):
765         (Output_file::open_base_file): Add base_name and writable parameters;
766         read base file into new file; print error message here.
767         (Output_file::map_no_anonymous): Add writable parameter; adjust all
768         callers.
769         * output.h (Output_file::open_for_modification): Rename to...
770         (Output_file::open_base_file): ...this; add base_name and
771         writable parameters; adjust all callers.
772         (Output_file::map_no_anonymous): Add writable parameter; adjust all
773         callers.
774         * testsuite/Makefile.am (incremental_test_4): Test
775         --incremental-base.
776         * testsuite/Makefile.in: Regenerate.
777
778 2011-05-24 Cary Coutant  <ccoutant@google.com>
779
780         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
781         incremental_test_4.
782         * testsuite/Makefile.in: Regenerate.
783         * testsuite/two_file_test_1_v1.cc: New test source file.
784         * testsuite/two_file_test_1b_v1.cc: New test source file.
785         * testsuite/two_file_test_2_v1.cc: New test source file.
786
787 2011-05-24 Cary Coutant  <ccoutant@google.com>
788
789         * dynobj.h (Dynobj::do_dynobj): New function.
790         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
791         flag and soname for shared objects.
792         * incremental.cc (Incremental_inputs::report_object): Make
793         either Incremental_object_entry or Incremental_dynobj_entry; add
794         soname to string table.
795         (Incremental_inputs::report_input_section): Add assertion.
796         (Output_section_incremental_inputs::set_final_data_size): Adjust
797         type of input file entry for shared libraries; adjust size of
798         shared library info entry.
799         (Output_section_incremental_inputs::write_input_files): Write
800         as_needed flag for shared libraries.
801         (Output_section_incremental_inputs::write_info_blocks): Adjust type
802         of input file entry for shared libraries; write soname.
803         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
804         soname from incremental info.
805         * incremental.h (enum Incremental_input_flags): Add
806         INCREMENTAL_INPUT_AS_NEEDED.
807         (Incremental_input_entry::Incremental_input_entry): Initialize new
808         data member.
809         (Incremental_input_entry::set_as_needed): New function.
810         (Incremental_input_entry::as_needed): New function.
811         (Incremental_input_entry::do_dynobj_entry): New function.
812         (Incremental_input_entry::as_needed_): New data member.
813         (Incremental_object_entry::Incremental_object_entry): Don't check
814         for shared library.
815         (Incremental_object_entry::do_type): Likewise.
816         (class Incremental_dynobj_entry): New class.
817         (Incremental_input_entry_reader::as_needed): New function.
818         (Incremental_input_entry_reader::get_soname): New function.
819         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
820         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
821         size of shared library info entry.
822         * layout.cc (Layout::finish_dynamic_section): Don't test for 
823         incremental link when adding DT_NEEDED entries.
824         * object.h (Object::Object): Initialize new data member.
825         (Object::dynobj): New function.
826         (Object::set_as_needed): New function.
827         (Object::as_needed): New function.
828         (Object::do_dynobj): New function.
829         (Object::as_needed_): New data member.
830
831 2011-05-24 Cary Coutant  <ccoutant@google.com>
832
833         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
834         info; adjust display of GOT entries.
835         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
836         vector of input objects; remove file_status_.
837         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
838         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
839         got_plt reader; call target hooks to reserve GOT entries.
840         (Output_section_incremental_inputs::set_final_data_size): Adjust size
841         of input file info header and GOT info entry.
842         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
843         relocation info.
844         (Got_plt_view_info::got_descriptor): Remove.
845         (Got_plt_view_info::sym_index): New data member.
846         (Got_plt_view_info::input_index): New data member.
847         (Local_got_offset_visitor::visit): Write input file index.
848         (Global_got_offset_visitor::visit): Write 0 for input file index.
849         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
850         with sym_index and input_index.
851         (Output_section_incremental_inputs::write_got_plt): Adjust size of
852         incremental info GOT entry; replace got_descriptor with input_index.
853         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
854         map from input file index to object.
855         (Sized_relobj_incr::do_layout): Replace direct data member reference
856         with accessor function.
857         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
858         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
859         Adjust size of input file info header.
860         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
861         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
862         (Incremental_input_entry_reader::get_input_section): Adjust size of
863         input file info header.
864         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
865         of incremental info GOT entry.
866         (Incremental_got_plt_reader::get_got_desc): Remove.
867         (Incremental_got_plt_reader::get_got_symndx): New function.
868         (Incremental_got_plt_reader::get_got_input_index): New function.
869         (Sized_incremental_binary::Sized_incremental_binary): Remove
870         file_status_; add input_objects_.
871         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
872         (Sized_incremental_binary::set_file_is_unchanged): Remove.
873         (Sized_incremental_binary::file_is_unchanged): Remove.
874         (Sized_incremental_binary::set_input_object): New function.
875         (Sized_incremental_binary::input_object): New function.
876         (Sized_incremental_binary::file_status_): Remove.
877         (Sized_incremental_binary::input_objects_): New data member.
878         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
879         references.
880         (Sized_relobj_incr::invalid_address): Move to base class.
881         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
882         class.
883         (Sized_relobj_incr::do_output_section_offset): Likewise.
884         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
885         (Sized_relobj_incr::section_offsets_): Likewise.
886         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
887         function.
888         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
889         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
890         with accessor function.
891         (Sized_relobj_file::do_layout): Likewise.
892         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
893         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
894         (Sized_relobj_file::compute_final_local_value): Replace refs to
895         section_offsets_ with accessor function.
896         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
897         * object.h (Relobj::Relobj): Initialize new data members.
898         (Relobj::add_dyn_reloc): New function.
899         (Relobj::first_dyn_reloc): New function.
900         (Relobj::dyn_reloc_count): New function.
901         (Relobj::first_dyn_reloc_): New data member.
902         (Relobj::dyn_reloc_count_): New data member.
903         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
904         references.
905         (Sized_relobj::Address): New typedef.
906         (Sized_relobj::invalid_address): Move here from child class.
907         (Sized_relobj::Sized_relobj): Initialize new data members.
908         (Sized_relobj::sized_relobj): New function.
909         (Sized_relobj::is_output_section_offset_invalid): Move here from
910         child class.
911         (Sized_relobj::get_output_section_offset): Likewise.
912         (Sized_relobj::local_has_got_offset): Likewise.
913         (Sized_relobj::local_got_offset): Likewise.
914         (Sized_relobj::set_local_got_offset): Likewise.
915         (Sized_relobj::do_for_all_local_got_entries): Likewise.
916         (Sized_relobj::clear_got_offsets): New function.
917         (Sized_relobj::section_offsets): Move here from child class.
918         (Sized_relobj::do_output_section_offset): Likewise.
919         (Sized_relobj::do_set_section_offset): Likewise.
920         (Sized_relobj::Local_got_offsets): Likewise.
921         (Sized_relobj::local_got_offsets_): Likewise.
922         (Sized_relobj::section_offsets_): Likewise.
923         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
924         references.
925         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
926         class.
927         (Sized_relobj_file::sized_relobj): New function
928         (Sized_relobj_file::local_has_got_offset): Move to base class.
929         (Sized_relobj_file::local_got_offset): Likewise.
930         (Sized_relobj_file::set_local_got_offset): Likewise.
931         (Sized_relobj_file::get_output_section_offset): Likewise.
932         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
933         (Sized_relobj_file::do_output_section_offset): Likewise.
934         (Sized_relobj_file::do_set_section_offset): Likewise.
935         (Sized_relobj_file::Local_got_offsets): Likewise.
936         (Sized_relobj_file::local_got_offsets_): Likewise.
937         (Sized_relobj_file::section_offsets_): Likewise.
938         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
939         (all constructors).
940         (set_needs_dynsym_index): Convert relobj to derived class pointer.
941         (Output_reloc::get_symbol_index): Likewise.
942         (Output_reloc::local_section_offset): Likewise.
943         (Output_reloc::get_address): Likewise.
944         (Output_reloc::symbol_value): Likewise.
945         (Output_data_got::reserve_slot): Move to class definition.
946         (Output_data_got::reserve_local): New function.
947         (Output_data_got::reserve_slot_for_global): Remove.
948         (Output_data_got::reserve_global): New function.
949         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
950         (all constructors, two instantiations).
951         (Output_reloc::get_relobj): New function (two instantiations).
952         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
953         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
954         (Output_data_reloc::add_global): Adjust type of relobj.
955         (Output_data_reloc::add_global_relative): Likewise.
956         (Output_data_reloc::add_symbolless_global_addend): Likewise.
957         (Output_data_reloc::add_local): Likewise.
958         (Output_data_reloc::add_local_relative): Likewise.
959         (Output_data_reloc::add_symbolless_local_addend): Likewise.
960         (Output_data_reloc::add_local_section): Likewise.
961         (Output_data_reloc::add_output_section): Likewise.
962         (Output_data_reloc::add_absolute): Likewise.
963         (Output_data_reloc::add_target_specific): Likewise.
964         (Output_data_got::reserve_slot): Move definition here.
965         (Output_data_got::reserve_local): New function.
966         (Output_data_got::reserve_global): New function.
967         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
968         section_offsets_ with accessor function.
969         (Sized_relobj_file::write_sections): Likewise.
970         (Sized_relobj_file::do_relocate_sections): Likewise.
971         * target.h (Sized_target::reserve_local_got_entry): New function.
972         (Sized_target::reserve_global_got_entry): New function.
973         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
974         (Target_x86_64::reserve_global_got_entry): New function.
975         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
976
977 2011-05-23 Cary Coutant  <ccoutant@google.com>
978
979         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
980         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
981         bit when checking got_type.
982         * incremental.cc (Sized_incremental_binary::setup_readers):
983         Store symbol table and string table locations; initialize bit vector
984         of file status flags.
985         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
986         unchanged files.
987         (Sized_incremental_binary::do_process_got_plt): New function.
988         (Sized_incremental_binary::get_symtab_view): Use stored locations.
989         (Output_section_incremental_inputs::set_final_data_size): Record
990         file index for each input file.
991         (Output_section_incremental_inputs::write_got_plt): Store file index
992         instead of input entry offset for each GOT entry.
993         * incremental.h
994         (Incremental_input_entry::Incremental_input_entry): Initialize new
995         data member.
996         (Incremental_input_entry::set_offset): Store file index.
997         (Incremental_input_entry::get_file_index): New function.
998         (Incremental_input_entry::file_index_): New data member.
999         (Incremental_binary::process_got_plt): New function.
1000         (Incremental_binary::do_process_got_plt): New function.
1001         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1002         data members.
1003         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1004         (Sized_incremental_binary::set_file_is_unchanged): New function.
1005         (Sized_incremental_binary::file_is_unchanged): New function.
1006         (Sized_incremental_binary::do_process_got_plt): New function.
1007         (Sized_incremental_binary::file_status_): New data member.
1008         (Sized_incremental_binary::main_symtab_loc_): New data member.
1009         (Sized_incremental_binary::main_strtab_loc_): New data member.
1010         * output.cc (Output_data_got::Got_entry::write): Add case
1011         RESERVED_CODE.
1012         (Output_data_got::add_global): Call add_got_entry.
1013         (Output_data_got::add_global_plt): Likewise.
1014         (Output_data_got::add_global_with_rel): Likewise.
1015         (Output_data_got::add_global_with_rela): Likewise.
1016         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1017         (Output_data_got::add_global_pair_with_rela): Likewise.
1018         (Output_data_got::add_local): Call add_got_entry.
1019         (Output_data_got::add_local_plt): Likewise.
1020         (Output_data_got::add_local_with_rel): Likewise.
1021         (Output_data_got::add_local_with_rela): Likewise.
1022         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1023         (Output_data_got::add_local_pair_with_rela): Likewise.
1024         (Output_data_got::reserve_slot): New function.
1025         (Output_data_got::reserve_slot_for_global): New function.
1026         (Output_data_got::add_got_entry): New function.
1027         (Output_data_got::add_got_entry_pair): New function.
1028         (Output_section::add_output_section_data): Edit FIXME.
1029         * output.h
1030         (Output_section_data_build::Output_section_data_build): New
1031         constructor with size parameter.
1032         (Output_data_space::Output_data_space): Likewise.
1033         (Output_data_got::Output_data_got): Initialize new data member; new
1034         constructor with size parameter.
1035         (Output_data_got::add_constant): Call add_got_entry.
1036         (Output_data_got::reserve_slot): New function.
1037         (Output_data_got::reserve_slot_for_global): New function.
1038         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1039         (Output_data_got::add_got_entry): New function.
1040         (Output_data_got::add_got_entry_pair): New function.
1041         (Output_data_got::free_list_): New data member.
1042         * target.h (Sized_target::init_got_plt_for_update): New function.
1043         (Sized_target::register_global_plt_entry): New function.
1044         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1045         Initialize new data member; call init; add constructor with PLT count.
1046         (Output_data_plt_x86_64::init): New function.
1047         (Output_data_plt_x86_64::add_relocation): New function.
1048         (Output_data_plt_x86_64::reserve_slot): New function.
1049         (Output_data_plt_x86_64::free_list_): New data member.
1050         (Target_x86_64::init_got_plt_for_update): New function.
1051         (Target_x86_64::register_global_plt_entry): New function.
1052         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1053         incremental updates.
1054         (Output_data_plt_x86_64::add_relocation): New function.
1055         * testsuite/object_unittest.cc (Object_test): Set default options.
1056
1057 2011-05-16  Ian Lance Taylor  <iant@google.com>
1058
1059         * options.h (class General_options): Make -i a synonym for -r.
1060
1061 2011-05-16  Ian Lance Taylor  <iant@google.com>
1062
1063         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1064
1065 2011-05-10 Cary Coutant  <ccoutant@google.com>
1066
1067         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1068         strip_all (-s).
1069
1070 2011-05-06  Ian Lance Taylor  <iant@google.com>
1071
1072         * layout.cc (Layout::layout): If the output section flags change,
1073         update the ordering.
1074
1075 2011-04-25 Cary Coutant  <ccoutant@google.com>
1076
1077         * incremental-dump.cc (dump_incremental_inputs): Print local
1078         symbol info for each input file.
1079         * incremental.cc
1080         (Output_section_incremental_inputs::set_final_data_size): Add local
1081         symbol info to input file entries in incremental info.
1082         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1083         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1084         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1085         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1086         implementation.
1087         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1088         (Sized_incr_relobj::do_relocate): Write the local symbols.
1089         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1090         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1091         Adjust size of input file header.
1092         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1093         (Incremental_inputs_reader::get_local_symbol_count): New function.
1094         (Incremental_inputs_reader::get_input_section): Adjust size of input
1095         file header.
1096         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1097         (Sized_incr_relobj::This): New typedef.
1098         (Sized_incr_relobj::sym_size): New const data member.
1099         (Sized_incr_relobj::Local_symbol): New struct.
1100         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1101         (Sized_incr_relobj::do_local_symbol_offset): New function.
1102         (Sized_incr_relobj::local_symbol_count_): New data member.
1103         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1104         (Sized_incr_relobj::local_symbol_index_): New data member.
1105         (Sized_incr_relobj::local_symbol_offset_): New data member.
1106         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1107         (Sized_incr_relobj::local_symbols_): New data member.
1108         * object.h (Relobj::output_local_symbol_count): New function.
1109         (Relobj::local_symbol_offset): New function.
1110         (Relobj::do_output_local_symbol_count): New function.
1111         (Relobj::do_local_symbol_offset): New function.
1112         (Sized_relobj::do_output_local_symbol_count): New function.
1113         (Sized_relobj::do_local_symbol_offset): New function.
1114
1115 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1116
1117         * descriptors.cc (set_close_on_exec): New function.
1118         (Descriptors::open): Use set_close_on_exec.
1119         * output.cc (S_ISLNK): Define if not defined.
1120
1121 2011-04-22 Cary Coutant  <ccoutant@google.com>
1122
1123         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1124         global symbol map.
1125         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1126         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1127         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1128         relocations.
1129         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1130         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1131         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1132         * incremental.h
1133         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1134         function.
1135         (Incremental_binary::apply_incremental_relocs): New function.
1136         (Incremental_binary::do_apply_incremental_relocs): New function.
1137         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1138         data member.
1139         (Sized_incremental_binary::add_global_symbol): New function.
1140         (Sized_incremental_binary::global_symbol): New function.
1141         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1142         (Sized_incremental_binary::symbol_map_): New data member.
1143         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1144         * target.h (Sized_target::apply_relocation): New function.
1145         * target-reloc.h (apply_relocation): New function.
1146         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1147
1148 2011-04-22  Doug Kwan  <dougkwan@google.com>
1149
1150         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1151         flag of a SHT_ARM_EXIDX section.
1152         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1153         * testsuite/Makefile.in: Regenerate.
1154         * testsuite/arm_exidx_test.s: New file.
1155         * testsuite/arm_exidx_test.sh: Same.
1156
1157 2011-04-20 Cary Coutant  <ccoutant@google.com>
1158
1159         PR gold/12689
1160         * archive.h (Incremental_archive_entry::Archive_member):
1161         Initialize arg_serial_ (second constructor).
1162
1163 2011-04-17  Ian Lance Taylor  <iant@google.com>
1164
1165         * object.cc (Relocate_info::location): Simplify location string.
1166         * errors.cc (Errors::error_at_location): Don't print program
1167         name.
1168         (Errors::warning_at_location): Likewise.
1169         (Errors::undefined_symbol): Likewise.
1170         * testsuite/debug_msg.sh: Update accordingly.
1171
1172 2011-04-14 Cary Coutant  <ccoutant@google.com>
1173
1174         * gold/layout.cc (Layout::symtab_section_offset): New function.
1175         * gold/layout.h (Layout::symtab_section_offset): New function.
1176         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1177
1178 2011-04-12  Ian Lance Taylor  <iant@google.com>
1179
1180         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1181         with MREMAP_MAYMOVE.
1182         * output.h (class Output_file): Add map_is_allocated_ field.
1183         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1184         not available, provide stubs.  If mremap is not available, #define
1185         it to gold_mremap.
1186         (MREMAP_MAYMOVE): Define if not defined.
1187         (Output_file::Output_file): Initialize map_is_allocated_.
1188         (Output_file::resize): Check map_is_allocated_.
1189         (Output_file::map_anonymous): If mmap fails, use malloc.
1190         (Output_file::unmap): Don't do anything for an anonymous map.
1191         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1192         is not available, provide stubs.
1193         (File_read::View::~View): Use free rather than delete[].
1194         (File_read::make_view): Use malloc rather than new[].  If mmap
1195         fails, use malloc.
1196         (File_read::find_or_make_view): Use malloc rather than new[].
1197         * gold.h: Remove HAVE_REMAP code.
1198         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1199         exists.  Rename mremap to gold_mremap.  If mmap is not available
1200         don't do anything.
1201         * configure, config.in: Rebuild.
1202
1203 2011-04-11  Ian Lance Taylor  <iant@google.com>
1204
1205         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1206         initialize local variable v.
1207
1208 2011-04-11  Cary Coutant  <ccoutant@google.com>
1209
1210         * archive.cc (Archive::include_member): Adjust call to
1211         report_object.
1212         (Add_archive_symbols::run): Track argument serial numbers.
1213         (Lib_group::include_member): Likewise.
1214         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1215         * archive.h (Incremental_archive_entry::Archive_member):
1216         Initialize arg_serial_.
1217         (Archive_member::arg_serial_): New data member.
1218         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1219         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1220         incremental link.
1221         (Sized_dynobj::do_for_all_local_got_entries): New function.
1222         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1223         function.
1224         * fileread.cc (get_mtime): New function.
1225         * fileread.h (get_mtime): New function.
1226         * gold.cc (queue_initial_tasks): Check for incremental update.
1227         (process_incremental_input): New function.
1228         (queue_middle_tasks): Don't force valid target for incremental
1229         update.
1230         * incremental-dump.cc (find_input_containing_global): Adjust
1231         size of symbol info entry.
1232         (dump_incremental_inputs): Dump argument serial number and
1233         in_system_directory flag; bias shndx by 1; print symbol names
1234         when dumping per-file symbol lists; use new symbol info readers.
1235         * incremental.cc
1236         (Output_section_incremental_inputs:update_data_size): New function.
1237         (Sized_incremental_binary::setup_readers): Setup input readers
1238         for each input file; build maps for files added from libraries
1239         and scripts.
1240         (Sized_incremental_binary::check_input_args): New function.
1241         (Sized_incremental_binary::do_check_inputs): Build map of argument
1242         serial numbers to input arguments.
1243         (Sized_incremental_binary::do_file_has_changed): Rename
1244         do_file_is_unchanged to this; compare file modification times.
1245         (Sized_incremental_binary::do_init_layout): New function.
1246         (Sized_incremental_binary::do_reserve_layout): New function.
1247         (Sized_incremental_binary::do_get_input_reader): Remove.
1248         (Sized_incremental_binary::get_symtab_view): New function.
1249         (Incremental_checker::can_incrementally_link_output_file): Remove.
1250         (Incremental_inputs::report_command_line): Exclude --debug options.
1251         (Incremental_inputs::report_archive_begin): Add parameter; track
1252         argument serial numbers; don't put input file entry for archive
1253         before archive members.
1254         (Incremental_inputs::report_archive_end): Put input file entry
1255         for archive after archive members.
1256         (Incremental_inputs::report_object): Add parameter; track argument
1257         serial numbers and in_system_directory flag.
1258         (Incremental_inputs::report_script): Add parameter; track argument
1259         serial numbers.
1260         (Output_section_incremental_inputs::set_final_data_size): Adjust
1261         size of symbol info entry; check for forwarding symbols.
1262         (Output_section_incremental_inputs::write_input_files): Write
1263         in_system_directory flag and argument serial number.
1264         (Output_section_incremental_inputs::write_info_blocks): Map section
1265         indices between incremental info and original input file; store
1266         input section index for each symbol.
1267         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1268         change operator() to visit().
1269         (class Global_got_offset_visitor): Likewise.
1270         (class Global_symbol_visitor_got_plt):
1271         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1272         classes.
1273         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1274         (Sized_incr_relobj::do_read_symbols): New function.
1275         (Sized_incr_relobj::do_layout): New function.
1276         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1277         (Sized_incr_relobj::do_add_symbols): New function.
1278         (Sized_incr_relobj::do_should_include_member): New function.
1279         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1280         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1281         (Sized_incr_relobj::do_section_size): New function.
1282         (Sized_incr_relobj::do_section_name): New function.
1283         (Sized_incr_relobj::do_section_contents): New function.
1284         (Sized_incr_relobj::do_section_flags): New function.
1285         (Sized_incr_relobj::do_section_entsize): New function.
1286         (Sized_incr_relobj::do_section_address): New function.
1287         (Sized_incr_relobj::do_section_type): New function.
1288         (Sized_incr_relobj::do_section_link): New function.
1289         (Sized_incr_relobj::do_section_info): New function.
1290         (Sized_incr_relobj::do_section_addralign): New function.
1291         (Sized_incr_relobj::do_initialize_xindex): New function.
1292         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1293         (Sized_incr_relobj::do_read_relocs): New function.
1294         (Sized_incr_relobj::do_gc_process_relocs): New function.
1295         (Sized_incr_relobj::do_scan_relocs): New function.
1296         (Sized_incr_relobj::do_count_local_symbols): New function.
1297         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1298         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1299         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1300         (Sized_incr_relobj::do_relocate): New function.
1301         (Sized_incr_relobj::do_set_section_offset): New function.
1302         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1303         (Sized_incr_dynobj::do_read_symbols): New function.
1304         (Sized_incr_dynobj::do_layout): New function.
1305         (Sized_incr_dynobj::do_add_symbols): New function.
1306         (Sized_incr_dynobj::do_should_include_member): New function.
1307         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1308         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1309         (Sized_incr_dynobj::do_section_size): New function.
1310         (Sized_incr_dynobj::do_section_name): New function.
1311         (Sized_incr_dynobj::do_section_contents): New function.
1312         (Sized_incr_dynobj::do_section_flags): New function.
1313         (Sized_incr_dynobj::do_section_entsize): New function.
1314         (Sized_incr_dynobj::do_section_address): New function.
1315         (Sized_incr_dynobj::do_section_type): New function.
1316         (Sized_incr_dynobj::do_section_link): New function.
1317         (Sized_incr_dynobj::do_section_info): New function.
1318         (Sized_incr_dynobj::do_section_addralign): New function.
1319         (Sized_incr_dynobj::do_initialize_xindex): New function.
1320         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1321         (make_sized_incremental_object): New function.
1322         (Incremental_library::copy_unused_symbols): New function.
1323         (Incremental_library::do_for_all_unused_symbols): New function.
1324         * incremental.h (enum Incremental_input_flags): New type.
1325         (class Incremental_checker): Remove.
1326         (Incremental_input_entry::Incremental_input_entry): Add argument
1327         serial number.
1328         (Incremental_input_entry::arg_serial): New function.
1329         (Incremental_input_entry::set_is_in_system_directory): New function.
1330         (Incremental_input_entry::is_in_system_directory): New function.
1331         (Incremental_input_entry::arg_serial_): New data member.
1332         (Incremental_input_entry::is_in_system_directory_): New data member.
1333         (class Script_info): Move here from script.h.
1334         (Script_info::Script_info): Add filename parameter.
1335         (Script_info::filename): New function.
1336         (Script_info::filename_): New data member.
1337         (Incremental_script_entry::Incremental_script_entry): Add argument
1338         serial number.
1339         (Incremental_object_entry::Incremental_object_entry): Likewise.
1340         (Incremental_object_entry::add_input_section): Build list of input
1341         sections with map to original shndx.
1342         (Incremental_object_entry::get_input_section_index): New function.
1343         (Incremental_object_entry::shndx_): New data member.
1344         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1345         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1346         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1347         serial number.
1348         (Incremental_inputs::report_archive_begin): Likewise.
1349         (Incremental_inputs::report_object): Likewise.
1350         (Incremental_inputs::report_script): Likewise.
1351         (class Incremental_global_symbol_reader): New class.
1352         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1353         and store flags and input file type.
1354         (Incremental_input_entry_reader::arg_serial): New function.
1355         (Incremental_input_entry_reader::type): Extract type from flags.
1356         (Incremental_input_entry_reader::is_in_system_directory): New function.
1357         (Incremental_input_entry_reader::get_input_section_count): Call
1358         accessor function for type.
1359         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1360         function for type; adjust size of global symbol entry.
1361         (Incremental_input_entry_reader::get_global_symbol_count): Call
1362         accessor function for type.
1363         (Incremental_input_entry_reader::get_object_count): Likewise.
1364         (Incremental_input_entry_reader::get_object_offset): Likewise.
1365         (Incremental_input_entry_reader::get_member_count): Likewise.
1366         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1367         (Incremental_input_entry_reader::get_member_offset): Likewise.
1368         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1369         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1370         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1371         (Incremental_input_entry_reader::get_global_symbol_reader): New
1372         function.
1373         (Incremental_input_entry_reader::get_output_symbol_index): New
1374         function.
1375         (Incremental_input_entry_reader::type_): Remove.
1376         (Incremental_input_entry_reader::flags_): New data member.
1377         (Incremental_inputs_reader::input_file_offset): New function.
1378         (Incremental_inputs_reader::input_file_index): New function.
1379         (Incremental_inputs_reader::input_file): Call input_file_offset.
1380         (Incremental_inputs_reader::input_file_at_offset): New function.
1381         (Incremental_relocs_reader::get_r_type): Reformat.
1382         (Incremental_relocs_reader::get_r_shndx): Reformat.
1383         (Incremental_relocs_reader::get_r_offset): Reformat.
1384         (Incremental_relocs_reader::data): New function.
1385         (Incremental_binary::Incremental_binary): Initialize new data members.
1386         (Incremental_binary::check_inputs): Add cmdline parameter.
1387         (Incremental_binary::file_is_unchanged): Remove.
1388         (Input_reader::arg_serial): New function.
1389         (Input_reader::get_unused_symbol_count): New function.
1390         (Input_reader::get_unused_symbol): New function.
1391         (Input_reader::do_arg_serial): New function.
1392         (Input_reader::do_get_unused_symbol_count): New function.
1393         (Input_reader::do_get_unused_symbol): New function.
1394         (Incremental_binary::input_file_count): New function.
1395         (Incremental_binary::get_input_reader): Change signature to use
1396         index instead of filename.
1397         (Incremental_binary::file_has_changed): New function.
1398         (Incremental_binary::get_input_argument): New function.
1399         (Incremental_binary::get_library): New function.
1400         (Incremental_binary::get_script_info): New function.
1401         (Incremental_binary::init_layout): New function.
1402         (Incremental_binary::reserve_layout): New function.
1403         (Incremental_binary::output_file): New function.
1404         (Incremental_binary::do_check_inputs): New function.
1405         (Incremental_binary::do_file_is_unchanged): Remove.
1406         (Incremental_binary::do_file_has_changed): New function.
1407         (Incremental_binary::do_init_layout): New function.
1408         (Incremental_binary::do_reserve_layout): New function.
1409         (Incremental_binary::do_input_file_count): New function.
1410         (Incremental_binary::do_get_input_reader): Change signature.
1411         (Incremental_binary::input_args_map_): New data member.
1412         (Incremental_binary::library_map_): New data member.
1413         (Incremental_binary::script_map_): New data member.
1414         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1415         new data members.
1416         (Sized_incremental_binary::output_section): New function.
1417         (Sized_incremental_binary::inputs_reader): Add const.
1418         (Sized_incremental_binary::symtab_reader): Add const.
1419         (Sized_incremental_binary::relocs_reader): Add const.
1420         (Sized_incremental_binary::got_plt_reader): Add const.
1421         (Sized_incremental_binary::get_symtab_view): New function.
1422         (Sized_incremental_binary::Inputs_reader): New typedef.
1423         (Sized_incremental_binary::Input_entry_reader): New typedef.
1424         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1425         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1426         (Sized_incremental_binary::do_file_has_changed): New function.
1427         (Sized_incremental_binary::do_init_layout): New function.
1428         (Sized_incremental_binary::do_reserve_layout): New function.
1429         (Sized_input_reader::Inputs_reader): Remove.
1430         (Sized_input_reader::Input_entry_reader): Remove.
1431         (Sized_input_reader::do_arg_serial): New function.
1432         (Sized_input_reader::do_get_unused_symbol_count): New function.
1433         (Sized_input_reader::do_get_unused_symbol): New function.
1434         (Sized_incremental_binary::do_input_file_count): New function.
1435         (Sized_incremental_binary::do_get_input_reader): Change signature;
1436         use index instead of filename.
1437         (Sized_incremental_binary::section_map_): New data member.
1438         (Sized_incremental_binary::input_entry_readers_): New data member.
1439         (class Sized_incr_relobj): New class.
1440         (class Sized_incr_dynobj): New class.
1441         (make_sized_incremental_object): New function.
1442         (class Incremental_library): New class.
1443         * layout.cc (Free_list::num_lists): New static data member.
1444         (Free_list::num_nodes): New static data member.
1445         (Free_list::num_removes): New static data member.
1446         (Free_list::num_remove_visits): New static data member.
1447         (Free_list::num_allocates): New static data member.
1448         (Free_list::num_allocate_visits): New static data member.
1449         (Free_list::init): New function.
1450         (Free_list::remove): New function.
1451         (Free_list::allocate): New function.
1452         (Free_list::dump): New function.
1453         (Free_list::print_stats): New function.
1454         (Layout_task_runner::run): Resize output file for incremental updates.
1455         (Layout::Layout): Initialize new data members.
1456         (Layout::set_incremental_base): New function.
1457         (Layout::init_fixed_output_section): New function.
1458         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1459         incremental updates.
1460         (Layout::create_gold_note): Do not create gold note section for
1461         incremental updates.
1462         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1463         for incremental updates.
1464         (Layout::set_section_offsets): For incremental updates, allocate space
1465         from free list.
1466         (Layout::create_symtab_sections): Layout with offsets relative to
1467         start of section; for incremental updates, allocate space from free
1468         list.
1469         (Layout::create_shdrs): For incremental updates, allocate space from
1470         free list.
1471         (Layout::finish_dynamic_section): For incremental updates, do not
1472         check --as-needed (fixed in subsequent patch).
1473         * layout.h (class Free_list): New class.
1474         (Layout::set_incremental_base): New function.
1475         (Layout::incremental_base): New function.
1476         (Layout::init_fixed_output_section): New function.
1477         (Layout::allocate): New function.
1478         (Layout::incremental_base_): New data member.
1479         (Layout::free_list_): New data member.
1480         * main.cc (main): Print Free_list statistics.
1481         * object.cc (Relobj::finalize_incremental_relocs): Add
1482         clear_counts parameter; clear counts only when clear_counts is set.
1483         (Sized_relobj::Sized_relobj): Initialize new base class.
1484         (Sized_relobj::do_layout): Don't report special sections.
1485         (Sized_relobj::do_for_all_local_got_entries): New function.
1486         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1487         symtab_off to all symbol table offsets.
1488         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1489         * object.h (class Got_offset_list): Move to top of file.
1490         (Object::Object): Allow case where input_file == NULL.
1491         (Object::~Object): Likewise.
1492         (Object::input_file): Assert that input_file != NULL.
1493         (Object::lock): Allow case where input_file == NULL.
1494         (Object::unlock): Likewise.
1495         (Object::is_locked): Likewise.
1496         (Object::token): Likewise.
1497         (Object::release): Likewise.
1498         (Object::is_incremental): New function.
1499         (Object::get_mtime): New function.
1500         (Object::for_all_local_got_entries): New function.
1501         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1502         (Object::set_is_in_system_directory): New function.
1503         (Object::is_in_system_directory): New function.
1504         (Object::do_is_incremental): New function.
1505         (Object::do_get_mtime): New function.
1506         (Object::do_for_all_local_got_entries): New function.
1507         (Object::is_in_system_directory_): New data member.
1508         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1509         (class Sized_relobj_base): New class.
1510         (class Sized_relobj): Derive from Sized_relobj_base.
1511         (class Sized_relobj::Symbols): Redeclare from base class.
1512         (class Sized_relobj::local_got_offset_list): Remove.
1513         (class Sized_relobj::Output_sections): Redeclare from base class.
1514         (class Sized_relobj::do_for_all_local_got_entries): New function.
1515         (class Sized_relobj::write_local_symbols): Add offset parameter.
1516         (class Sized_relobj::local_symbol_offset_): Update comment.
1517         (class Sized_relobj::local_dynsym_offset_): Update comment.
1518         * options.cc (Input_arguments::add_file): Remove const.
1519         * options.h (Input_file_argument::Input_file_argument):
1520         Initialize arg_serial_ (all constructors).
1521         (Input_file_argument::set_arg_serial): New function.
1522         (Input_file_argument::arg_serial): New function.
1523         (Input_file_argument::arg_serial_): New data member.
1524         (Input_arguments::Input_arguments): Initialize file_count_.
1525         (Input_arguments::add_file): Remove const.
1526         (Input_arguments::number_of_input_files): New function.
1527         (Input_arguments::file_count_): New data member.
1528         (Command_line::number_of_input_files): Call
1529         Input_arguments::number_of_input_files.
1530         * output.cc (Output_segment_headers::Output_segment_headers):
1531         Set current size.
1532         (Output_section::Input_section::current_data_size): New function.
1533         (Output_section::Output_section): Initialize new data members.
1534         (Output_section::add_input_section): Don't do merge sections for
1535         an incremental link; allocate space from free list for an
1536         incremental update.
1537         (Output_section::add_output_section_data): Allocate space from
1538         free list for an incremental update.
1539         (Output_section::update_data_size): New function.
1540         (Output_section::set_fixed_layout): New function.
1541         (Output_section::reserve): New function.
1542         (Output_segment::set_section_addresses): Remove const.
1543         (Output_segment::set_section_list_addresses): Remove const; allocate
1544         space from free list for an incremental update.
1545         (Output_segment::set_offset): Adjust size of RELRO segment for an
1546         incremental update.
1547         * output.h (Output_data::current_data_size): Move here from
1548         child classes.
1549         (Output_data::pre_finalize_data_size): New function.
1550         (Output_data::update_data_size): New function.
1551         (Output_section_headers::update_data_size): new function.
1552         (Output_section_data_build::current_data_size): Move to Output_data.
1553         (Output_data_strtab::update_data_size): New function.
1554         (Output_section::current_data_size): Move to Output_data.
1555         (Output_section::set_fixed_layout): New function.
1556         (Output_section::has_fixed_layout): New function.
1557         (Output_section::reserve): New function.
1558         (Output_section::update_data_size): New function.
1559         (Output_section::has_fixed_layout_): New data member.
1560         (Output_section::free_list_): New data member.
1561         (Output_segment::set_section_addresses): Remove const.
1562         (Output_segment::set_section_list_addresses): Remove const.
1563         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1564         New function.
1565         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1566         New function.
1567         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1568         parameter when calling Add_symbols constructor; store argument
1569         serial number for members of a lib group.
1570         (Add_symbols::locks): Allow case where token == NULL.
1571         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1572         (Read_member::~Read_member): New function.
1573         (Read_member::is_runnable): New function.
1574         (Read_member::locks): New function.
1575         (Read_member::run): New function.
1576         (Check_script::~Check_script): New function.
1577         (Check_script::is_runnable): New function.
1578         (Check_script::locks): New function.
1579         (Check_script::run): New function.
1580         (Check_library::~Check_library): New function.
1581         (Check_library::is_runnable): New function.
1582         (Check_library::locks): New function.
1583         (Check_library::run): New function.
1584         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1585         (Add_symbols::library_): New data member.
1586         (class Read_member): New class.
1587         (class Check_script): New class.
1588         (class Check_library): New class.
1589         * reloc.cc (Read_relocs::is_runnable): Allow case where
1590         token == NULL.
1591         (Read_relocs::locks): Likewise.
1592         (Scan_relocs::locks): Likewise.
1593         (Relocate_task::locks): Likewise.
1594         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1595         to clear counters.
1596         (Sized_relobj::incremental_relocs_scan): Fix comment.
1597         (Sized_relobj::do_relocate): Pass output file offset to
1598         write_local_symbols.
1599         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1600         from class declaration.
1601         * script.cc (read_input_script): Allocate Script_info; pass
1602         argument serial number to report_script.
1603         * script.h (class Script_info): Move to incremental.h.
1604         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1605         * symtab.h (Symbol_table::add_from_incrobj): New function.
1606         (Symbol_table::set_file_offset): New function.
1607
1608 2011-04-05  Cary Coutant  <ccoutant@google.com>
1609
1610         * incremental-dump.cc (dump_incremental_inputs): Change signature
1611         to take a Sized_incremental_binary; change caller.  Use readers
1612         in Sized_incremental_binary.
1613         * incremental.cc
1614         (Sized_incremental_binary::find_incremental_inputs_sections):
1615         Rename do_find_incremental_inputs_sections to this.
1616         (Sized_incremental_binary::setup_readers): New function.
1617         (Sized_incremental_binary::do_check_inputs): Check
1618         has_incremental_info_ flag; move setup code to setup_readers;
1619         use input readers.
1620         (Sized_incremental_binary::do_file_is_unchanged): New function.
1621         (Sized_incremental_binary::do_get_input_reader): New function.
1622         * incremental.h (class Incremental_binary): Move to end of file.
1623         (Incremental_binary::file_is_unchanged): New function.
1624         (Incremental_binary::do_file_is_unchanged): New function.
1625         (Incremental_binary::Input_reader): New class.
1626         (Incremental_binary::get_input_reader): New function.
1627         (class Sized_incremental_binary): Move to end of file.
1628         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1629         input section reader classes.
1630         (Sized_incremental_binary::has_incremental_info): New function.
1631         (Sized_incremental_binary::inputs_reader): New function.
1632         (Sized_incremental_binary::symtab_reader): New function.
1633         (Sized_incremental_binary::relocs_reader): New function.
1634         (Sized_incremental_binary::got_plt_reader): New function.
1635         (Sized_incremental_binary::do_file_is_unchanged): New function.
1636         (Sized_incremental_binary::Sized_input_reader): New class.
1637         (Sized_incremental_binary::get_input_reader): New function.
1638         (Sized_incremental_binary::find_incremental_inputs_sections):
1639         Rename do_find_incremental_inputs_sections to this.
1640         (Sized_incremental_binary::setup_readers): New function.
1641         (Sized_incremental_binary::has_incremental_info_): New data member.
1642         (Sized_incremental_binary::inputs_reader_): New data member.
1643         (Sized_incremental_binary::symtab_reader_): New data member.
1644         (Sized_incremental_binary::relocs_reader_): New data member.
1645         (Sized_incremental_binary::got_plt_reader_): New data member.
1646         (Sized_incremental_binary::current_input_file_): New data member.
1647
1648 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1649
1650         PR gold/12640
1651         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1652         violation.
1653
1654 2011-03-30  Cary Coutant  <ccoutant@google.com>
1655
1656         * archive.cc (Archive::include_member): Adjust call to report_object.
1657         (Add_archive_symbols::run): Add script_info to call to
1658         report_archive_begin.
1659         (Lib_group::include_member): Adjust call to report_object.
1660         (Add_lib_group_symbols::run): Adjust call to report_object.
1661         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1662         blocks.  Add object count for script input files.
1663         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1664         script_info parameter; change all callers.
1665         (Incremental_inputs::report_object): Add script_info parameter;
1666         change all callers.
1667         (Incremental_inputs::report_script): Store backpointer to
1668         incremental info entry.
1669         (Output_section_incremental_inputs::set_final_data_size): Record
1670         additional information for scripts.
1671         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1672         * incremental.h (Incremental_script_entry::add_object): New function.
1673         (Incremental_script_entry::get_object_count): New function.
1674         (Incremental_script_entry::get_object): New function.
1675         (Incremental_script_entry::objects_): New data member; adjust
1676         constructor.
1677         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1678         (Incremental_inputs::report_object): Add script_info parameter.
1679         (Incremental_inputs_reader::get_object_count): New function.
1680         (Incremental_inputs_reader::get_object_offset): New function.
1681         * options.cc (Input_arguments::add_file): Return reference to
1682         new input argument.
1683         * options.h (Input_argument::set_script_info): New function.
1684         (Input_argument::script_info): New function.
1685         (Input_argument::script_info_): New data member; adjust all
1686         constructors.
1687         (Input_file_group::add_file): Return reference to new input argument.
1688         (Input_file_lib::add_file): Likewise.
1689         (Input_arguments::add_file): Likewise.
1690         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1691         * script.cc (Parser_closure::Parser_closure): Add script_info
1692         parameter; adjust all callers.
1693         (Parser_closure::script_info): New function.
1694         (Parser_closure::script_info_): New data member.
1695         (read_input_script): Report scripts earlier to incremental info.
1696         (script_add_file): Set script_info in Input_argument.
1697         (script_add_library): Likewise.
1698         * script.h (Script_options::Script_info): Rewrite class.
1699
1700 2011-03-29  Cary Coutant  <ccoutant@google.com>
1701
1702         * archive.cc (Library_base::should_include_member): Move
1703         method here from class Archive.
1704         (Archive::Archive): Initialize base class.
1705         (Archive::should_include_member): Move to base class.
1706         (Archive::do_for_all_unused_symbols): New function.
1707         (Add_archive_symbols::run): Remove redundant access to
1708         incremental_inputs.
1709         (Lib_group::Lib_group): Initialize base class.
1710         (Lib_group::do_filename): New function.
1711         (Lib_group::include_member): Pass pointer to Lib_group to
1712         report_object.
1713         (Lib_group::do_for_all_unused_symbols): New function.
1714         (Add_lib_group_symbols::run): Report archive information for
1715         incremental links.
1716         * archive.h (class Library_base): New base class.
1717         (class Archive): Derive from Library_base.
1718         (Archive::filename): Move to base class.
1719         (Archive::set_incremental_info): Likewise.
1720         (Archive::incremental_info): Likewise.
1721         (Archive::Should_include): Likewise.
1722         (Archive::should_include_member): Likewise.
1723         (Archive::Armap_entry): Remove.
1724         (Archive::Unused_symbol_iterator): Remove.
1725         (Archive::unused_symbols_begin): Remove.
1726         (Archive::unused_symbols_end): Remove.
1727         (Archive::do_filename): New function.
1728         (Archive::do_get_mtime): New function.
1729         (Archive::do_for_all_unused_symbols): New function.
1730         (Archive::task_): Move to base class.
1731         (Archive::incremental_info_): Likewise.
1732         (class Lib_group): Derive from Library_base.
1733         (Lib_group::do_filename): New function.
1734         (Lib_group::do_get_mtime): New function.
1735         (Lib_group::do_for_all_unused_symbols): New function.
1736         (Lib_group::task_): Move to base class.
1737         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1738         function.
1739         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1740         function.
1741         * incremental.cc (Incremental_inputs::report_archive_begin):
1742         Use Library_base; call library's get_mtime; add incremental inputs
1743         entry before members.
1744         (class Unused_symbol_visitor): New class.
1745         (Incremental_inputs::report_archive_end): Use Library_base; use
1746         visitor class to record unused symbols; don't add incremental inputs
1747         entry after members.
1748         (Incremental_inputs::report_object): Use Library_base.
1749         * incremental.h
1750         (Incremental_archive_entry::Incremental_archive_entry): Remove
1751         unused Archive parameter.
1752         (Incremental_inputs::report_archive_begin): Use Library_base.
1753         (Incremental_inputs::report_archive_end): Likewise.
1754         (Incremental_inputs::report_object): Likewise.
1755         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1756         function.
1757         * object.h (Object::for_all_global_symbols): New function.
1758         (Object::do_for_all_global_symbols): New function.
1759         (Sized_relobj::do_for_all_global_symbols): New function.
1760         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1761         function.
1762         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1763         function.
1764
1765 2011-03-27  Ian Lance Taylor  <iant@google.com>
1766
1767         * archive.cc (Archive::interpret_header): Return -1 if something
1768         goes wrong.  Change callers accordingly.
1769
1770 2011-03-25  Cary Coutant  <ccoutant@google.com>
1771
1772         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1773         * testsuite/Makefile.in: Regenerate.
1774
1775 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1776
1777         * plugin.cc (get_view): New.
1778         (Plugin::load): Pass get_view to the plugin.
1779         (Plugin_manager::get_view): New.
1780
1781 2011-03-21  Ian Lance Taylor  <iant@google.com>
1782
1783         * testsuite/final_layout.sh: Rewrite to not use dc.
1784         * testsuite/relro_test.sh: Fail if dc is not present.
1785
1786 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1787
1788         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1789         Change == to -eq.
1790         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1791         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1792         Change == to -eq.
1793         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1794         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1795
1796 2011-03-14  Ian Lance Taylor  <iant@google.com>
1797
1798         * script-sections.cc (Sort_output_sections::script_compare):
1799         Rename from is_before, change return type.
1800         (Sort_output_sections::operator()): Adjust accordingly.
1801
1802 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1803
1804         PR gold/12572
1805         * testsuite/odr_violation2.cc: Add comment to make all error line
1806         numbers double digits.
1807         * testsuite/debug_msg.sh: Adjust expected errors.
1808
1809 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1810
1811         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1812         but mark earlier ones as non-canonical
1813         (offset_to_iterator): Update search target and example
1814         (do_addr2line): Return extra lines in a vector*
1815         (format_file_lineno): Extract from do_addr2line
1816         (one_addr2line): Add vector* out-param
1817         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1818         when a lineno entry appeared last for its instruction
1819         (Dwarf_line_info): Add vector* out-param
1820         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1821         * symtab.cc (Odr_violation_compare): Include the lineno in the
1822         comparison again.
1823         (linenos_from_loc): New. Combine the canonical line for an
1824         address with its other lines.
1825         (True_if_intersect): New. Helper functor to make
1826         std::set_intersection a query.
1827         (detect_odr_violations): Compare sets of lines instead of just
1828         one line for each function. This became less deterministic, but
1829         has fewer false positives.
1830         * symtab.h: Declarations.
1831         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1832         mix an optimized and non-optimized object in the same binary
1833         (odr_violation2.so): Same.
1834         * testsuite/Makefile.in: Regenerate from Makefile.am.
1835         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1836         * testsuite/debug_msg.sh: Update line numbers and add
1837         assertions.
1838         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1839         non-optimized context.
1840         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1841         isn't inlined, and use OdrDerived in an optimized context.
1842         * testsuite/odr_header1.h: Defines OdrDerived, where
1843         optimization will change the
1844         first-instruction-in-the-destructor's file and line number.
1845         * testsuite/odr_header2.h: Defines OdrBase.
1846
1847 2011-03-09  Ian Lance Taylor  <iant@google.com>
1848
1849         * fileread.cc (File_read::clear_views): Don't delete the whole
1850         file view.
1851
1852 2011-03-08  Ian Lance Taylor  <iant@google.com>
1853
1854         PR gold/12525
1855         * fileread.cc: #include <climits>.
1856         (GOLD_IOV_MAX): Define.
1857         (File_read::read_multiple): Limit number of entries by iov_max.
1858         * fileread.h (class File_read): Always set max_readv_entries to
1859         128.
1860
1861 2011-03-07  Ian Lance Taylor  <iant@google.com>
1862
1863         PR gold/12525
1864         * options.h (class General_options): Add -dy and -dn.
1865
1866 2011-03-02  Cary Coutant  <ccoutant@google.com>
1867
1868         * testsuite/script_test_9.t: Add TLS segment.
1869
1870 2011-03-02  Simon Baldwin  <simonb@google.com>
1871
1872         * configure.ac: Add check for gnu_indirect_function support in
1873         the toolchain building binutils.
1874         * configure: Rebuild.
1875
1876 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1877
1878         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1879         plugin only symbols.
1880         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1881         in plugin files as not needed in the symbol table.
1882
1883 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1884
1885         * output.cc (Output_section::add_input_section): Delay fill
1886         generation for section ordering.
1887
1888 2011-02-09  Ian Lance Taylor  <iant@google.com>
1889
1890         PR gold/12316
1891         * object.h (class Sized_relobj): Remove clear_local_symbols.
1892         * reloc.cc (Sized_relobj::do_relocate): Don't call
1893         clear_local_symbols.
1894
1895 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1896
1897         * plugin.cc (is_visible_from_outside): Return true for symbols
1898         in the -u option.
1899
1900 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1901
1902         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1903         filename.
1904
1905 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1906
1907         * icf.h (is_section_foldable_candidate): Change type of parameter
1908         to std::string.
1909         * icf.cc (Icf::find_identical_sections): Change type of local variable
1910         section_name to be std::string.
1911         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1912
1913 2011-01-25  Ian Lance Taylor  <iant@google.com>
1914
1915         * script.cc (script_add_extern): Rewrite to use
1916         add_symbol_reference.
1917
1918 2011-01-25  Doug Kwan  <dougkwan@google.com>
1919
1920         * icf.cc (get_section_contents): Always lock section's object.
1921
1922 2011-01-24  Ian Lance Taylor  <iant@google.com>
1923
1924         * options.h (class General_options): Accept
1925         --no-detect-odr-violations.
1926
1927 2011-01-24  Ian Lance Taylor  <iant@google.com>
1928
1929         * version.cc (version_string): Bump to 1.11.
1930
1931 2011-01-24  Ian Lance Taylor  <iant@google.com>
1932
1933         * plugin.cc (class Plugin_rescan): Define new class.
1934         (Plugin_manager::claim_file): Set any_claimed_.
1935         (Plugin_manager::save_archive): New function.
1936         (Plugin_manager::save_input_group): New function.
1937         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1938         necessary.
1939         (Plugin_manager::new_undefined_symbol): New function.
1940         (Plugin_manager::rescan): New function.
1941         (Plugin_manager::rescannable_defines): New function.
1942         (Plugin_manager::add_input_file): Set any_added_.
1943         * plugin.h (class Plugin_manager): define new fields rescannable_,
1944         undefined_symbols_, any_claimed_, and any_added_.  Declare
1945         Plugin_rescan as friend.  Declare new functions.
1946         (Plugin_manager::Rescannable): Define type.
1947         (Plugin_manager::Rescannable_list): Define type.
1948         (Plugin_manager::Undefined_symbol_list): Define type.
1949         (Plugin_manager::Plugin_manager): Initialize new fields.
1950         * archive.cc (Archive::defines_symbol): New function.
1951         (Add_archive_symbols::run): Pass archive to plugins if any.
1952         * archive.h (class Archive): Declare defines_symbol.
1953         * readsyms.cc (Input_group::~Input_group): New function.
1954         (Finish_group::run): Pass input_group to plugins if any.
1955         * readsyms.h (class Input_group): Declare destructor.
1956         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1957         any.
1958
1959 2011-01-10  Ian Lance Taylor  <iant@google.com>
1960
1961         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1962         section as relro.
1963         (Layout::set_segment_offsets): Reset increase_relro before calling
1964         set_section_addresses a second time.
1965
1966 2011-01-04  Cary Coutant  <ccoutant@google.com>
1967
1968         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1969         sections before NOBITS sections.
1970
1971 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1972
1973         * version.cc (print_version): Update copyright to 2011.
1974
1975 2010-12-23  Cary Coutant  <ccoutant@google.com>
1976
1977         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1978         of OS to this->add.  Add OD parameter to second form of the function.
1979
1980 2010-12-20  Ian Lance Taylor  <iant@google.com>
1981
1982         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1983         second of two consecutive entries with same offset.
1984
1985 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1986
1987         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1988         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1989         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1990         to avoid unneeded links against $(LDADD).
1991         * testsuite/Makefile.in: Regenerate.
1992
1993 2010-12-15  Ian Lance Taylor  <iant@google.com>
1994
1995         PR gold/12324
1996         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1997         for R_X86_64_32 and R_X86_64_PC32.
1998         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1999         ver_matching_def_pic.o.
2000         (ver_matching_def_pic.o): New target.
2001
2002 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2003
2004         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2005         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2006         Move definition before File_read::View member definitions.
2007         (File_read::View::~View): Initialize and hold lock before
2008         updating current_mapped_bytes.
2009
2010 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2011
2012         * dwarf_reader.cc: Remove outdated comment.
2013         * gold-threads.cc: Fix typo in error message.
2014         * archive.cc: Fix typos in comments.
2015         * archive.h: Likewise.
2016         * arm-reloc-property.cc: Likewise.
2017         * arm-reloc-property.h: Likewise.
2018         * arm-reloc.def: Likewise.
2019         * arm.cc: Likewise.
2020         * attributes.h: Likewise.
2021         * cref.cc: Likewise.
2022         * ehframe.cc: Likewise.
2023         * fileread.h: Likewise.
2024         * gold.h: Likewise.
2025         * i386.cc: Likewise.
2026         * icf.cc: Likewise.
2027         * incremental.h: Likewise.
2028         * int_encoding.cc: Likewise.
2029         * layout.h: Likewise.
2030         * main.cc: Likewise.
2031         * merge.h: Likewise.
2032         * object.cc: Likewise.
2033         * object.h: Likewise.
2034         * options.cc: Likewise.
2035         * readsyms.cc: Likewise.
2036         * reduced_debug_output.cc: Likewise.
2037         * reloc.cc: Likewise.
2038         * script-sections.cc: Likewise.
2039         * sparc.cc: Likewise.
2040         * symtab.h: Likewise.
2041         * target-reloc.h: Likewise.
2042         * target.cc: Likewise.
2043         * target.h: Likewise.
2044         * timer.cc: Likewise.
2045         * timer.h: Likewise.
2046         * x86_64.cc: Likewise.
2047
2048 2010-12-09  Cary Coutant  <ccoutant@google.com>
2049
2050         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2051         stack.
2052         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2053         parameter; change all callers.
2054         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2055         * options.h (warn_execstack): New option.
2056
2057 2010-12-07  Doug Kwan  <dougkwan@google.com>
2058
2059         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2060         like function call relocations.
2061
2062 2010-12-07  Ian Lance Taylor  <iant@google.com>
2063
2064         * archive.cc (Archive::get_elf_object_for_member): Permit
2065         punconfigured to be NULL.
2066         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2067         (Archive::include_member): Pass NULL to get_elf_object_for_member
2068         if we searched for the archive and this is the first included
2069         object.
2070
2071 2010-12-01  Ian Lance Taylor  <iant@google.com>
2072
2073         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2074         track_relocs_type_ field.
2075         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2076         Set track_relocs_type_.
2077         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2078         contents when using RELA relocs.
2079         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2080         reloc_map_.
2081         * reloc.cc (Track_relocs::next_addend): New function.
2082         * reloc.h (class Track_relocs): Declare next_addend.
2083
2084 2010-12-01  Ian Lance Taylor  <iant@google.com>
2085
2086         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2087         virtual destructor.
2088
2089 2010-12-01  Ian Lance Taylor  <iant@google.com>
2090
2091         * README: Update compilers known to work and fail.
2092
2093 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2094
2095         * configure.in: For --enable-gold, handle value `default' instead of
2096         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2097         not the default.
2098         * configure: Regenerate.
2099
2100 2010-11-18  Doug Kwan  <dougkwan@google.com>
2101
2102         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2103         and right_alignment to be zero.  Store result alignment only if it is
2104         greater than existing alignment.
2105
2106 2010-11-16  Cary Coutant  <ccoutant@google.com>
2107
2108         PR gold/12220
2109         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2110         Check for ".zdebug_line".
2111
2112 2010-11-16  Doug Kwan  <dougkwan@google.com>
2113             Cary Coutant  <ccoutant@google.com>
2114
2115         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2116         by reference; adjust all callers.
2117         * output.cc (Output_segment::set_section_addresses): Adjust references
2118         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2119         list is empty.
2120         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2121         end at page boundary.
2122
2123 2010-11-16  Cary Coutant  <ccoutant@google.com>
2124
2125         PR gold/12220
2126         * layout.cc (Layout::choose_output_section): Transform names of
2127         compressed sections even when using a script with a SECTIONS clause.
2128         (Layout::output_section_name): Remove code to transform
2129         compressed debug section names.
2130         * output.cc (Output_section::add_input_section): Use uncompressed
2131         section size when tracking input sections.
2132
2133 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2134
2135         * symtab.h (Symbol::NON_PIC_REF): Remove.
2136         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2137         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2138         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2139         (Symbol::use_plt_offset): Take a flags argument and pass it
2140         directly to needs_dynamic_reloc.  Restrict check for undefined
2141         weak symbols to function calls.
2142         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2143         (Target_arm::Scan::global): Use it.
2144         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2145         (Target_arm::Relocate::relocate): Likewise.
2146         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2147         parameter with an r_type parameter.  Use get_reference_flags
2148         to get the flags.
2149         (Target_arm::Relocate::relocate): Update accordingly.
2150         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2151         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2152         (Target_i386::Scan::global): Likewise.
2153         (Target_i386::Relocate::relocate): Likewise.
2154         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2155         parameter with an r_type parameter.  Use get_reference_flags
2156         to get the flags.
2157         (Target_i386::Relocate::relocate): Update accordingly.
2158         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2159         (Target_powerpc::Scan::global): Use it.
2160         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2161         (Target_powerpc::Relocate::relocate): Likewise.
2162         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2163         (Target_sparc::Scan::global): Use it.
2164         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2165         (Target_sparc::Relocate::relocate): Likewise.
2166         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2167         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2168         (Target_x86_64::Scan::global): Likewise.
2169         (Target_x86_64::Relocate::relocate): Likewise.
2170
2171 2010-11-08  Doug Kwan  <dougkwan@google.com>
2172             Cary Coutant  <ccoutant@google.com>
2173
2174         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2175         (Arm_exidx_merge_section::section_contents_): New data member.
2176         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2177         (Arm_input_section::~Arm_input_section): De-allocate memory.
2178         (Arm_input_section::original_contents_): New data member.       
2179         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2180         in parameters instead of calling Object::section_contents without
2181         locking.
2182         (Arm_output_section::group_section): New parameter TASK.  Pass it
2183         to callees that need locking objects.
2184         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2185         to lock EXIDX input sections.  Fix a formatting issue.  Call
2186         Arm_exidx_merged_section::build_contents to create merged section
2187         contents.
2188         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2189         to lock object of stub table owner.
2190         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2191         TEXT_SIZE to initialize data member TEXT_SIZE_.
2192         (Arm_exidx_input_section::addralign): Fix typo in comment.
2193         (Arm_exidx_input_section::text_size): New method.
2194         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2195         that require locking objects.  Lock objects before scanning for stubs
2196         and updating local symbols.
2197         (Arm_input_section<big_endian>::init): Copy contents of original
2198         input section.
2199         (Arm_input_section<big_endian>::do_write): Use saved contents of
2200         original input section instead of calling Object::section_contents
2201         without locking.
2202         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2203         size without calling Object::section_size().
2204         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2205         for size.  Allocate a buffer for merged EXIDX entries.
2206         (Arm_exidx_merged_section::build_contents): New method.
2207         (Arm_exidx_merged_section::do_write): Move merge section contents
2208         building code to Arm_exidx_merged_section::build_contetns.  Write
2209         out contetns in buffer instead of building it on the fly.
2210         (Arm_relobj::make_exidx_input_section): Also pass text section size
2211         to Arm_exidx_input_section constructor.
2212         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2213         (Arm_dynobj::do_read_symbols): Fix memory leak.
2214         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2215         * target.h: (class Task): Add forward declaration.
2216         (Target::relax): Add new parameter TASK and pass it to
2217         Target::do_relax().
2218         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2219
2220 2010-11-05  Cary Coutant  <ccoutant@google.com>
2221
2222         PR gold/10708
2223         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2224         object when reading from the file.
2225         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2226         second layout pass.
2227         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2228         when reading section contents.
2229         (get_section_contents): Likewise.
2230         (icf::find_identical_sections): Likewise.
2231         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2232         object when reading from the file.
2233         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2234         the object when doing deferred section layout.
2235
2236 2010-11-03  Nick Clifton  <nickc@redhat.com>
2237
2238         PR gold/12001
2239         * script.h (class Symbol_assignment: name): New member.  Returns
2240         the name of the symbol.
2241         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2242         Returns true if the given symbol name is on the list of
2243         assignments wating to be processed.
2244         * archive.cc (should_incldue_member): If the symbol is undefined,
2245         check to see if it is on the list of symbols pending assignment.
2246
2247 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2248
2249         * script-sections.cc (Script_sections::find_memory_region): Check
2250         for a NULL output section pointer.
2251
2252 2010-10-29  Doug Kwan  <dougkwan@google.com>
2253
2254         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2255         Output_section::add_relaxed_input_section.
2256         * output.cc (Output_section::add_relaxed_input_section): Add new
2257         arguments LAYOUT and NAME.  Set section order index.
2258         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2259         Copy section order index.
2260         * output.h (Output_section::add_relaxed_input_section): Add new
2261         arguments LAYOUT and NAME.
2262
2263 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2264
2265         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2266         NATIVE_OR_CROSS_LINKER.
2267         * testsuite/Makefile.in: Regenerate.
2268
2269 2010-10-20  Doug Kwan  <dougkwan@google.com>
2270
2271         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2272         without SHF_LINK_ORDER flags.
2273         * layout.cc (Layout::choose_output_section): Do not filter
2274         SHF_LINK_ORDER flag in a relocatable link.
2275
2276 2010-10-17  Cary Coutant  <ccoutant@google.com>
2277
2278         * output.h (Output_segment::set_section_addresses): Change function
2279         signature.  Update all callers.
2280         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2281         sections.
2282         (Output_segment::set_section_addresses): Align after last TLS
2283         section.  Add padding before last relro section instead of after.
2284
2285 2010-10-17  Doug Kwan  <dougkwan@google.com>
2286
2287         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2288         GOT output section to be writable.
2289
2290 2010-10-14  Cary Coutant  <ccoutant@google.com>
2291
2292         * debug.h (DEBUG_INCREMENTAL): New flag.
2293         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2294         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2295         mode.
2296         * incremental.cc (report_command_line): Ignore all forms of
2297         --incremental.
2298         * layout.cc (Layout::Layout): Check parameters for incremental link
2299         mode.
2300         * options.cc (General_options::parse_incremental): New function.
2301         (General_options::parse_no_incremental): New function.
2302         (General_options::parse_incremental_full): New function.
2303         (General_options::parse_incremental_update): New function.
2304         (General_options::incremental_mode_): New data member.
2305         (General_options::finalize): Check incremental_mode_.
2306         * options.h (General_options): Update help text for --incremental.
2307         Add --no-incremental, --incremental-full, --incremental-update.
2308         (General_options::Incremental_mode): New enum type.
2309         (General_options::incremental_mode): New function.
2310         (General_options::incremental_mode_): New data member.
2311         * parameters.cc (Parameters::incremental_mode_): New data member.
2312         (Parameters::set_options): Set incremental_mode_.
2313         (Parameters::set_incremental_full): New function.
2314         (Parameters::incremental): New function.
2315         (Parameters::incremental_update): New function.
2316         (set_parameters_incremental_full): New function.
2317         * parameters.h (Parameters::set_incremental_full): New function.
2318         (Parameters::incremental): New function.
2319         (Parameters::incremental_update): New function.
2320         (Parameters::incremental_mode_): New data member.
2321         (set_parameters_incremental_full): New function.
2322         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2323         incremental link mode.
2324         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2325         (Sized_relobj::do_relocate_sections): Likewise.
2326         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2327         option.
2328         * testsuite/Makefile.in: Regenerate.
2329         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2330
2331 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2332
2333         * script-sections.h (class Script_sections): Make
2334         Sections_elements typedef public.
2335         * script-sections.cc (class Sort_output_sections): Add elements_
2336         field.  Add constructor which sets it; change all callers.
2337         (Sort_output_sections::is_before): New function.
2338         (Sort_output_sections::operator()): Call is_before.
2339         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2340         conditional.
2341         * testsuite/script_test_10.sh: New test. Test script section
2342         order.
2343         * testsuite/script_test_10.t: Likewise.
2344         * testsuite/script_test_10.s: Likewise.
2345         * testsuite/Makefile.am: Wrap the cross linker tests and the
2346         common tests into NATIVE_OR_CROSS_LINKER.
2347         (check_SCRIPTS): Add script_test_10.sh.
2348         (check_DATA): Add script_test_10.stdout.
2349         (script_test_10.o, script_test_10): New targets.
2350         (script_test_10.stdout): New target.
2351         * configure, testsuite/Makefile.in: Regenerate.
2352
2353 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2354
2355         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2356         error for the deprecated relocations.
2357         (Target_arm::Scan::global): Likewise.
2358         (Target_arm::Relocate::relocate): Likewise.
2359
2360 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2361
2362         * fileread.cc (Input_file::find_file): Initialize *found_name
2363         and *namep when using the fallback search for case 4.
2364
2365 2010-10-11  Cary Coutant  <ccoutant@google.com>
2366
2367         * options.h (class General_options): Redefine -z lazy as an alias for
2368         the negation of -z now.
2369
2370 2010-10-11  Ian Lance Taylor  <iant@google.com>
2371
2372         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2373         binding.
2374
2375 2010-10-06  Nick Clifton  <nickc@redhat.com>
2376
2377         * script-sections.cc(class Memory_region): Remove
2378         current_lma_offset_ field.  Rename current_vma_offset_ to
2379         current_offset_.  Add last_section_ field.
2380         (Memory_region::get_current_vma_address): Rename to
2381         get_current_address.
2382         (Memory_region::get_current_lma_address): Delete.
2383         (Memory_region::increment_vma_offset): Rename to
2384         increment_offset.
2385         (Memory_region::increment_lma_offset): Delete.
2386         (Memory_region::attributes_compatible): New method.  Returns
2387         true if the provided section is compatible with the region.
2388         (Memory_region::get_last_section): New method.  Returns the last
2389         section to use the region.
2390         (Memory_region::set_last_section): New method.  Stores the last
2391         section to use the region.
2392         (Script_sections::block_in_region): New method.  Returns true if
2393         a block of memory is contained within a region.
2394         (Script_sections::find_memory_region): New method.  Locates a
2395         memory region to be used to set a VMA or LMA address.
2396         (Output_section_definition::set_section_addresses): Add code to
2397         check for addresses set by memory regions.
2398         (Output_segment::set_section_addresses): Remove memory region
2399         walking code.
2400         (Script_sections::create_segment): Add a warning if a header
2401         segment is created outside of any region.
2402         * script-sections.h (class Script_sections): Add prototypes for
2403         find_memory_region and block_in_region methods.
2404         * testsuite/memory_test.s: Use .long instead of .word.
2405         * testsuite/memory_test.t: Add some more output sections.
2406         * testsuite/memory_test.sh: Update expected output.
2407
2408 2010-10-02  Doug Kwan  <dougkwan@google.com>
2409
2410         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2411         defintion to symtab.h
2412         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2413         declaration to defintion.
2414
2415 2010-10-01  Nick Clifton  <nickc@redhat.com>
2416
2417         * expression.cc (eval): Replace dummy argument with NULL.
2418         (eval_maybe_dot): Check for a NULL result section pointer.
2419         (Symbol_expression::value): Likewise.
2420         (Dot_expression::value): Likewise.
2421         (BINARY_EXPRESSION): Likewise.
2422         (Max_expression::value): Likewise.
2423         (Min_expression::value): Likewise.
2424         (Absolute_expression::value): Likewise.
2425         (Addr_expression::value_from_output_section): Likewise.
2426         (Loaddddr_expression::value_from_output_section): Likewise.
2427         (Segment_start_expression::value): Likewise.
2428         * script-sections.cc
2429         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2430         argument with NULL.
2431         (Sections_elememt_dot_assignment::set_section_addresses):
2432         Likewise.
2433         (Output_data_expression::do_write_to_buffer): Likewise.
2434         (Output_section_definition::finalize_symbols): Likewise.
2435         (Output_section_definition::set_section_addresses): Likewise.
2436
2437 2010-09-30  Doug Kwan  <dougkwan@google.com>
2438
2439         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2440
2441 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2442
2443         * target.h (Target::can_icf_inline_merge_sections): New virtual
2444         function.
2445         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2446         virtual function.
2447         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2448         virtual function.
2449         * icf.cc (get_section_contents): Inline merge sections only when
2450         target allows it.
2451
2452 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2453
2454         * configure: Regenerate.
2455
2456 2010-09-17  Ian Lance Taylor  <iant@google.com>
2457
2458         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2459         * testsuite/Makefile.am (memory_test.o): New target.
2460         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2461         memory_test.t.
2462         * testsuite/Makefile.in: Rebuild.
2463
2464 2010-09-17  Doug Kwan  <dougkwan@google.com>
2465
2466         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2467         defintion if relocation uses GOT entries of the symbol.
2468         * testsuite/icf_safe_test.sh: Fix test.
2469         * testsuite/icf_safe_so_test.sh: Fix test.
2470
2471 2010-09-16  Cary Coutant  <ccoutant@google.com>
2472
2473         * script_sections.cc (class Memory_region): Remove "NULL" from
2474         vector initializations.
2475
2476 2010-09-15  Cary Coutant  <ccoutant@google.com>
2477
2478         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2479         Resolve forwarding symbols.
2480
2481 2010-09-15  Doug Kwan  <dougkwan@google.com>
2482
2483         * gold/testsuite/script_test_3.t: Add ARM special sections.
2484         * gold/testsuite/script_test_4.t: Same.
2485         * gold/testsuite/script_test_5.t: Same.
2486         * gold/testsuite/script_test_6.t: Same.
2487         * gold/testsuite/script_test_7.t: Same.
2488         * gold/testsuite/script_test_7.t: Same.
2489         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2490
2491 2010-09-14  Cary Coutant  <ccoutant@google.com>
2492
2493         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2494         (Target_x86_64::Relocate::relocate_tls): Replace check for
2495         saw_tls_block_reloc_ with test for executable section.
2496
2497 2010-09-12  Cary Coutant  <ccoutant@google.com>
2498
2499         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2500         position-independent executables to shared libraries need dynamic
2501         relocations.
2502         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2503         position-independent executables.
2504         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2505         * testsuite/Makefile.in: Regenerate.
2506
2507 2010-09-10  Nick Clifton  <nickc@redhat.com>
2508
2509         PR gold/11997
2510         * testsuite/memory_test.t: Discard any sections that are not
2511         needed.
2512
2513 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2514
2515         PR gold/11996
2516         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2517         "This::" to work around a bug in gcc 4.2.
2518
2519         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2520
2521 2010-09-09  Rafael Espindola  <espindola@google.com>
2522
2523         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2524         sections with different PF_X flags in the same segment.
2525         (Layout::find_first_load_seg): Search all segments to find the first
2526         one.
2527         * options.h (rosegment): New.
2528
2529 2010-09-08  Rafael Espindola  <espindola@google.com>
2530
2531         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2532
2533 2010-09-08  Doug Kwan  <dougkwan@google.com>
2534
2535         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2536         (Arm_relobj::do_relocate_sections): Add new parameter for output
2537         file to match the parent.
2538         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2539         of local symbols instead of input values.  Update code to track
2540         changes in gold::relocate_section.
2541         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2542         (Sized_relobj::compute_final_local_value_internal): New methods.
2543         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2544         body into private version of Sized_relobj::compute_final_local_value.
2545         Call the inline method.
2546         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2547         merged symbol value if there is one.
2548         (Symbol_value::has_output_value): New method defintiion.
2549         (Sized_relobj::Compute_final_local_value_status): New enum type.
2550         (Sized_relobj::compute_final_local_value): New methods.
2551         (Sized_relobj::compute_final_local_value_internal): New methods.
2552         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2553         and arm_cortex_a8.sh.
2554         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2555         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2556         New tests.
2557         * Makefile.in: Regenerate.
2558         * testsuite/arm_bl_out_of_range.s: Update test.
2559         * testsuite/thumb_bl_out_of_range.s: Ditto.
2560         * testsuite/thumb_blx_out_of_range.s: Ditto.
2561         * testsuite/arm_branch_out_of_range.sh: New file.
2562         * testsuite/arm_cortex_a8.sh: Ditto.
2563         * testsuite/arm_cortex_a8_b.s: Ditto.
2564         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2565         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2566         * testsuite/arm_cortex_a8_bl.s: Ditto.
2567         * testsuite/arm_cortex_a8_blx.s: Ditto.
2568         * testsuite/arm_cortex_a8_local.s: Ditto.
2569         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2570         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2571
2572 2010-09-08  Rafael Espindola  <espindola@google.com>
2573
2574         * Makefile.am (memory_test.stdout): Run readelf with -W.
2575         * Makefile.in: Regenerate.
2576         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2577         64 bit output.
2578
2579 2010-09-08  Rafael Espindola  <espindola@google.com>
2580
2581         * script-sections.cc (Script_sections::add_memory_region): Convert
2582         field precision to int.
2583         * script.cc (script_set_section_region, script_set_section_region):
2584         Convert field precision to int.
2585
2586 2010-09-08  Rafael Espindola  <espindola@google.com>
2587
2588         * arm.cc (do_finalize_sections): Create the __exidx_start and
2589         __exdix_end symbols even when the section is missing.
2590
2591 2010-09-08  Nick Clifton  <nickc@redhat.com>
2592
2593         * README: Remove claim that MEMORY is not supported.
2594         * expression.cc (script_exp_function_origin)
2595         (script_exp_function_length): Move from here to ...
2596         * script.cc: ... here.
2597         (script_set_section_region, script_add_memory)
2598         (script_parse_memory_attr, script_include_directive): New
2599         functions.
2600         * script-sections.cc
2601         (class Memory_region): New class.
2602         (class Output_section_definition): Add set_memory_region,
2603         set_section_vma, set_section_lma and get_section_name methods.
2604         (class Script_Sections): Add add_memory_region,
2605         find_memory_region, find_memory_region_origin,
2606         find_memory_region_length and set_memory_region methods.
2607         Have set_section_addresses method walk the list of set memory
2608         regions.
2609         Extend the print methos to display memory regions.
2610         * script-sections.h: Add prototypes for new methods.
2611         Add enum for MEMORY region attributes.
2612         * yyscript.y: Add support for parsing MEMORY regions.
2613         * script-c.h: Add prototypes for new functions.
2614         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2615         * testsuite/Makefile.in: Regenerate.
2616         * testsuite/memory_test.sh: New script.
2617         * testsuite/memory_test.s: New assembler source file.
2618         * testsuite/memory_test.t: New linker script.
2619
2620 2010-08-27  Doug Kwan  <dougkwan@google.com>
2621
2622         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2623         reference override an existing dynamic weak reference.
2624         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2625         * testsuite/Makefile.in: Regenerate.
2626         * testsuite/dyn_weak_ref.sh: New file.
2627         * testsuite/dyn_weak_ref_1.c: Ditto.
2628         * testsuite/dyn_weak_ref_2.c: Ditto.
2629
2630 2010-08-27  Ian Lance Taylor  <iant@google.com>
2631
2632         * incremental.h (class Incremental_input_entry): Add virtual
2633         destructor.
2634
2635 2010-08-27  Ian Lance Taylor  <iant@google.com>
2636
2637         * testsuite/start_lib_test_3.c: Mark t3 as used.
2638
2639 2010-08-27  Nick Clifton  <nickc@redhat.com>
2640
2641         * options.cc (version_script): Fix small typo in previous
2642         whitespace tidyup.
2643
2644 2010-08-25  Nick Clifton  <nickc@redhat.com>
2645
2646         * archive.cc: Formatting fixes: Remove whitespace between
2647         typename and following asterisk.  Remove whitespace between
2648         function name and opening parenthesis.
2649         * archive.h: Likewise.
2650         * arm.cc: Likewise.
2651         * attributes.cc: Likewise.
2652         * attributes.h: Likewise.
2653         * common.cc: Likewise.
2654         * copy-relocs.cc: Likewise.
2655         * dirsearch.h: Likewise.
2656         * dynobj.cc: Likewise.
2657         * ehframe.cc: Likewise.
2658         * ehframe.h: Likewise.
2659         * expression.cc: Likewise.
2660         * fileread.cc: Likewise.
2661         * fileread.h: Likewise.
2662         * gc.h: Likewise.
2663         * gold-threads.cc: Likewise.
2664         * gold.cc: Likewise.
2665         * i386.cc: Likewise.
2666         * icf.h: Likewise.
2667         * incremental-dump.cc: Likewise.
2668         * incremental.cc: Likewise.
2669         * layout.cc: Likewise.
2670         * layout.h: Likewise.
2671         * main.cc: Likewise.
2672         * merge.cc: Likewise.
2673         * merge.h: Likewise.
2674         * object.cc: Likewise.
2675         * object.h: Likewise.
2676         * options.cc: Likewise.
2677         * options.h: Likewise.
2678         * output.cc: Likewise.
2679         * output.h: Likewise.
2680         * plugin.cc: Likewise.
2681         * plugin.h: Likewise.
2682         * powerpc.cc: Likewise.
2683         * reloc.cc: Likewise.
2684         * script-c.h: Likewise.
2685         * script-sections.cc: Likewise.
2686         * script.cc: Likewise.
2687         * stringpool.cc: Likewise.
2688         * symtab.cc: Likewise.
2689         * symtab.h: Likewise.
2690         * target.cc: Likewise.
2691         * timer.cc: Likewise.
2692         * timer.h: Likewise.
2693         * version.cc: Likewise.
2694         * x86_64.cc: Likewise.
2695
2696 2010-08-24  Nick Clifton  <nickc@redhat.com>
2697
2698         PR 11899
2699         * layout.cc (segment_precedes): Sort segments by their physical
2700         addresses, if they have been set.
2701
2702 2010-08-23  Cary Coutant  <ccoutant@google.com>
2703
2704         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2705         symbols data.
2706         (Lib_group::include_member): Unlock object after deleting its
2707         symbols data.
2708         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2709         the bug fixed here.
2710
2711 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2712             Cary Coutant  <ccoutant@google.com>
2713
2714         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2715         constructor, and set_blocker.
2716         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2717         readsyms_blocker_.
2718         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2719         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2720         * testsuite/Makefile.am (start_lib_test): New test case.
2721         * testsuite/Makefile.in: Regenerate.
2722         * testsuite/start_lib_test_main.c: New file.
2723         * testsuite/start_lib_test_1.c: New file.
2724         * testsuite/start_lib_test_2.c: New file.
2725         * testsuite/start_lib_test_3.c: New file.
2726
2727 2010-08-19  Ian Lance Taylor  <iant@google.com>
2728
2729         * Makefile.in: Rebuild with automake 1.11.1.
2730         * aclocal.m4: Likewise.
2731         * testsuite/Makefile.in: Likewise.
2732
2733 2010-08-19  Ian Lance Taylor  <iant@google.com>
2734
2735         PR 10893
2736         * i386.cc (class Output_data_plt_i386): Update declarations.
2737         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2738         local_ifuncs_ fields.
2739         (Target_i386::do_plt_section_for_global): New function.
2740         (Target_i386::do_plt_section_for_local): New function.
2741         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2742         parameter; change all callers.  Initialize global_ifuncs_ and
2743         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2744         __rel_iplt_end.
2745         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2746         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2747         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2748         symbols.
2749         (Target_i386::make_plt_section): New function, broken out of
2750         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2751         (Target_i386::make_plt_entry): Call make_plt_section.
2752         (Target_i386::make_local_ifunc_plt_entry): New function.
2753         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2754         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2755         R_386_IRELATIVE to switch.
2756         (Target_i386::Scan::global): Likewise.
2757         (Target_i386::Relocate::relocate): Likewise.
2758         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2759         switch.
2760         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2761         (Target_x86_64::do_plt_section_for_global): New function.
2762         (Target_x86_64::do_plt_section_for_local): New function.
2763         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2764         parameter; change all callers.  If doing a static link define
2765         __rela_iplt_start and __rela_iplt_end.
2766         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2767         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2768         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2769         to point to .plt.
2770         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2771         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2772         switch.
2773         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2774         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2775         R_X86_64_IRELATIVE to switch.
2776         (Target_x86_64::Scan::global): Likewise.
2777         (Target_x86_64::Relocate::relocate): Likewise.
2778         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2779         switch.
2780         * target.h (class Target): Add plt_section_for_global and
2781         plt_section_for_local functions.  Add do_plt_section_for_global
2782         and do_plt_section_for_local virtual functions.
2783         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2784         clarifying comments.
2785         (Symbol::use_plt_offset): Handle IFUNC symbol.
2786         * object.cc (Sized_relobj::Sized_relobj): Initialize
2787         local_plt_offsets_.
2788         (Sized_relobj::local_has_plt_offset): New function.
2789         (Sized_relobj::local_plt_offset): New function.
2790         (Sized_relobj::set_local_plt_offset): New function.
2791         (Sized_relobj::do_count): Handle IFUNC symbol.
2792         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2793         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2794         is_ifunc_symbol functions.
2795         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2796         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2797         local_plt_offsets_ field.
2798         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2799         * output.h (class Output_section_data): Add non-const
2800         output_section function.
2801         (class Output_data_got): Update declarations.
2802         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2803         Add use_plt_offset parameter to global and local constructors.
2804         Change all callers.  Change local_sym_index_ field to 31 bits.
2805         Change GSYM_CODE and CONSTANT_CODE accordingly.
2806         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2807         doing a static link don't set sh_link field.
2808         (Output_data_got::Got_entry::write): Use PLT offset if
2809         appropriate.
2810         (Output_data_got::add_global_plt): New function.
2811         (Output_data_got::add_local_plt): New function.
2812         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2813         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2814         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2815         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2816         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2817         IFUNC conditional.
2818         * testsuite/ifunc-sel.h: New file.
2819         * testsuite/ifuncmain1.c: New file.
2820         * testsuite/ifuncmain1vis.c: New file.
2821         * testsuite/ifuncmod1.c: New file.
2822         * testsuite/ifuncdep2.c: New file.
2823         * testsuite/ifuncmain2.c: New file.
2824         * testsuite/ifuncmain3.c: New file.
2825         * testsuite/ifuncmod3.c: New file.
2826         * testsuite/ifuncmain4.c: New file.
2827         * testsuite/ifuncmain5.c: New file.
2828         * testsuite/ifuncmod5.c: New file.
2829         * testsuite/ifuncmain6pie.c: New file.
2830         * testsuite/ifuncmod6.c: New file.
2831         * testsuite/ifuncmain7.c: New file.
2832         * configure, testsuite/Makefile.in: Rebuild.
2833
2834 2010-08-18  Ian Lance Taylor  <iant@google.com>
2835
2836         * incremental.cc
2837         (Output_section_incremental_inputs::write_input_files): Add cast
2838         to avoid signed/unsigned comparison warning.
2839         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2840
2841 2010-08-12  Cary Coutant  <ccoutant@google.com>
2842
2843         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2844
2845 2010-08-13  Ian Lance Taylor  <iant@google.com>
2846
2847         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2848
2849 2010-08-12  Cary Coutant  <ccoutant@google.com>
2850             Doug Kwan  <dougkwan@google.com>
2851
2852         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2853         defintion overrides non-weak undef, remember that the original undef
2854         is not weak.
2855         * symtab.cc (Symbol_table::sized_write_global): For undef without
2856         an original weak binding, set binding to global in output.
2857         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2858         * testsuite/Makefile.in: Regenerate.
2859         * testsuite/strong_ref_weak_def.sh: New file.
2860         * testsuite/strong_ref_weak_def_1.c: Ditto.
2861         * testsuite/strong_ref_weak_def_2.c: Ditto.
2862
2863 2010-08-12  Cary Coutant  <ccoutant@google.com>
2864
2865         * testsuite/incremental_test.sh: Rewrite.
2866         * testsuite/incremental_test_1.c: Rewrite.
2867         * testsuite/incremental_test_2.c: Rewrite.
2868
2869 2010-08-12  Cary Coutant  <ccoutant@google.com>
2870
2871         * arm.cc (Target_arm::got_size): Add const.
2872         (Target_arm::got_entry_count): New function.
2873         (Target_arm::plt_entry_count): New function.
2874         (Target_arm::first_plt_entry_offset): New function.
2875         (Target_arm::plt_entry_size): New function.
2876         (Output_data_plt_arm::entry_count): New function.
2877         (Output_data_plt_arm::first_plt_entry_offset): New function.
2878         (Output_data_plt_arm::get_plt_entry_size): New function.
2879         * i386.cc (Target_i386::got_size): Add const.
2880         (Target_i386::got_entry_count): New function.
2881         (Target_i386::plt_entry_count): New function.
2882         (Target_i386::first_plt_entry_offset): New function.
2883         (Target_i386::plt_entry_size): New function.
2884         (Output_data_plt_i386::entry_count): New function.
2885         (Output_data_plt_i386::first_plt_entry_offset): New function.
2886         (Output_data_plt_i386::get_plt_entry_size): New function.
2887         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2888         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2889         * incremental.cc: Include target.h.
2890         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2891         parameter.  Adjust all callers.  Find incremental_got_plt section.
2892         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2893         section.
2894         (Output_section_incremental_inputs::set_final_data_size): Calculate
2895         size of incremental_got_plt section.
2896         (Output_section_incremental_inputs::do_write): Write the
2897         incremental_got_plt section.
2898         (Got_plt_view_info): New struct.
2899         (Local_got_offset_visitor): New class.
2900         (Global_got_offset_visitor): New class.
2901         (Global_symbol_visitor_got_plt): New class.
2902         (Output_section_incremental_inputs::write_got_plt): New function.
2903         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2904         Add parameter.  Adjust all callers.
2905         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2906         (Incremental_inputs::got_plt_section): New function.
2907         (Incremental_inputs::got_plt_section_): New data member.
2908         (Incremental_got_plt_reader): New class.
2909         * layout.cc (Layout::create_incremental_info_sections): Add the
2910         incremental_got_plt section.
2911         * object.h (Got_offset_list::get_list): New function.
2912         (Got offset_list::for_all_got_offsets): New function.
2913         (Sized_relobj::local_got_offset_list): New function.
2914         * powerpc.cc (Target_powerpc::got_size): Add const.
2915         (Target_powerpc::got_entry_count): New function.
2916         (Target_powerpc::plt_entry_count): New function.
2917         (Target_powerpc::first_plt_entry_offset): New function.
2918         (Target_powerpc::plt_entry_size): New function.
2919         (Output_data_plt_powerpc::entry_count): New function.
2920         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2921         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2922         * sparc.cc (Target_sparc::got_size): Add const.
2923         (Target_sparc::got_entry_count): New function.
2924         (Target_sparc::plt_entry_count): New function.
2925         (Target_sparc::first_plt_entry_offset): New function.
2926         (Target_sparc::plt_entry_size): New function.
2927         (Output_data_plt_sparc::entry_count): New function.
2928         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2929         (Output_data_plt_sparc::get_plt_entry_size): New function.
2930         * symtab.h (Symbol::got_offset_list): New function.
2931         (Symbol_table::for_all_symbols): New function.
2932         * target.h (Sized_target::got_entry_count): New function.
2933         (Sized_target::plt_entry_count): New function.
2934         (Sized_target::plt_entry_size): New function.
2935         * x86_64.cc (Target_x86_64::got_size): Add const.
2936         (Target_x86_64::got_entry_count): New function.
2937         (Target_x86_64::plt_entry_count): New function.
2938         (Target_x86_64::first_plt_entry_offset): New function.
2939         (Target_x86_64::plt_entry_size): New function.
2940         (Output_data_plt_x86_64::entry_count): New function.
2941         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2942         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2943
2944 2010-08-12  Cary Coutant  <ccoutant@google.com>
2945
2946         * archive.cc: Include incremental.h.
2947         (Archive::Archive): Initialize incremental_info_.
2948         (Archive::include_member): Record archive members in incremental info.
2949         (Add_archive_symbols::run): Record begin and end of an archive in
2950         incremental info.
2951         (Lib_group::include_member): Record objects in incremental info.
2952         * archive.h (Incremental_archive_entry): Forward declaration.
2953         (Archive::set_incremental_info): New member function.
2954         (Archive::incremental_info): New member function.
2955         (Archive::Unused_symbol_iterator): New class.
2956         (Archive::unused_symbols_begin): New member function.
2957         (Archive::unused_symbols_end): New member function.
2958         (Archive::incremental_info_): New data member.
2959         * incremental-dump.cc (find_input_containing_global): New function.
2960         (dump_incremental_inputs): Dump new incremental info sections.
2961         * incremental.cc: Include symtab.h.
2962         (Output_section_incremental_inputs): New class.
2963         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2964         new incremental info sections.
2965         (Sized_incremental_binary::do_check_inputs): Likewise.
2966         (Incremental_inputs::report_archive): Remove.
2967         (Incremental_inputs::report_archive_begin): New function.
2968         (Incremental_inputs::report_archive_end): New function.
2969         (Incremental_inputs::report_object): New function.
2970         (Incremental_inputs::finalize_inputs): Remove.
2971         (Incremental_inputs::report_input_section): New function.
2972         (Incremental_inputs::report_script): Rewrite.
2973         (Incremental_inputs::finalize): Do nothing but finalize string table.
2974         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2975         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2976         (Incremental_inputs::create_data_sections): New function.
2977         (Incremental_inputs::relocs_entsize): New function.
2978         (Output_section_incremental_inputs::set_final_data_size): New function.
2979         (Output_section_incremental_inputs::do_write): New function.
2980         (Output_section_incremental_inputs::write_header): New function.
2981         (Output_section_incremental_inputs::write_input_files): New function.
2982         (Output_section_incremental_inputs::write_info_blocks): New function.
2983         (Output_section_incremental_inputs::write_symtab): New function.
2984         * incremental.h (Incremental_script_entry): Forward declaration.
2985         (Incremental_object_entry): Forward declaration.
2986         (Incremental_archive_entry): Forward declaration.
2987         (Incremental_inputs): Forward declaration.
2988         (Incremental_inputs_header_data): Remove.
2989         (Incremental_inputs_header): Remove.
2990         (Incremental_inputs_header_write): Remove.
2991         (Incremental_inputs_entry_data): Remove.
2992         (Incremental_inputs_entry): Remove.
2993         (Incremental_inputs_entry_write): Remove.
2994         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2995         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2996         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2997         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2998         Likewise.
2999         (Incremental_input_entry): New class.
3000         (Incremental_script_entry): New class.
3001         (Incremental_object_entry): New class.
3002         (Incremental_archive_entry): New class.
3003         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3004         (Incremental_inputs::report_inputs): Remove.
3005         (Incremental_inputs::report_archive): Remove.
3006         (Incremental_inputs::report_archive_begin): New function.
3007         (Incremental_inputs::report_archive_end): New function.
3008         (Incremental_inputs::report_object): Change prototype.
3009         (Incremental_inputs::report_input_section): New function.
3010         (Incremental_inputs::report_script): Change prototype.
3011         (Incremental_inputs::get_reloc_count): New function.
3012         (Incremental_inputs::set_reloc_count): New function.
3013         (Incremental_inputs::create_data_sections): New function.
3014         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3015         (Incremental_inputs::inputs_section): New function.
3016         (Incremental_inputs::symtab_section): New function.
3017         (Incremental_inputs::relocs_section): New function.
3018         (Incremental_inputs::get_stringpool): Add const.
3019         (Incremental_inputs::command_line): Add const.
3020         (Incremental_inputs::inputs): Remove.
3021         (Incremental_inputs::command_line_key): New function.
3022         (Incremental_inputs::input_file_count): New function.
3023         (Incremental_inputs::input_files): New function.
3024         (Incremental_inputs::relocs_entsize): New function.
3025         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3026         (Incremental_inputs::finalize_inputs): Remove.
3027         (Incremental_inputs::Input_info): Remove.
3028         (Incremental_inputs::lock_): Remove.
3029         (Incremental_inputs::inputs_): Change type.
3030         (Incremental_inputs::inputs_map_): Remove.
3031         (Incremental_inputs::current_object_entry_): New data member.
3032         (Incremental_inputs::inputs_section_): New data member.
3033         (Incremental_inputs::symtab_section_): New data member.
3034         (Incremental_inputs::relocs_section_): New data member.
3035         (Incremental_inputs::reloc_count_): New data member.
3036         (Incremental_inputs_reader): New class.
3037         (Incremental_symtab_reader): New class.
3038         (Incremental_relocs_reader): New class.
3039         * layout.cc (Layout::finalize): Move finalization of incremental info
3040         and creation of incremental info sections to follow finalization of
3041         symbol table.  Set offsets for postprocessing sections.
3042         (Layout::create_incremental_info_sections): Call
3043         Incremental_inputs::create_data_sections.  Add incremental symtab
3044         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3045         sections to layout after input sections.
3046         * layout.h (struct Timespec): Forward declaration.
3047         (Layout::incremental_inputs): Add const.
3048         (Layout::create_incremental_info_sections): Add parameter.
3049         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3050         * object.cc: Include incremental.h.
3051         (Relobj::finalize_incremental_relocs): New function.
3052         (Sized_relobj::do_layout): Record input sections in incremental info.
3053         * object.h (Object::output_section): New function.
3054         (Object::output_section_offset): Moved from Relobj.
3055         (Object::get_incremental_reloc_base): New function.
3056         (Object::get_incremental_reloc_count): New function.
3057         (Object::do_output_section): New function.
3058         (Object::do_output_section_offset): Moved from Relobj.
3059         (Object::do_get_incremental_reloc_base): New function.
3060         (Object::do_get_incremental_reloc_count): New function.
3061         (Object::Object): Initialize new data members.
3062         (Relobj::output_section): Renamed do_output_section and moved to
3063         protected.
3064         (Relobj::output_section_offset): Moved to Object.
3065         (Relobj::do_get_incremental_reloc_base): New function.
3066         (Relobj::do_get_incremental_reloc_count): New function.
3067         (Relobj::allocate_incremental_reloc_counts): New function.
3068         (Relobj::count_incremental_reloc): New function.
3069         (Relobj::finalize_incremental_relocs): New function.
3070         (Relobj::next_incremental_reloc_index): New function.
3071         (Relobj::reloc_counts_): New data member.
3072         (Relobj::reloc_bases_): New data member.
3073         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3074         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3075         (Sized_relobj::incremental_relocs_scan): New function.
3076         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3077         (Sized_relobj::incremental_relocs_write): New function.
3078         (Sized_relobj::incremental_relocs_write_reltype): New function.
3079         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3080         incremental link.
3081         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3082         archives and object files elsewhere.
3083         (Add_symbols::run): Report object files here.
3084         (Finish_group::run): Report end of archive at end of group.
3085         * reloc.cc: Include layout.h, incremental.h.
3086         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3087         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3088         (Sized_relobj::incremental_relocs_scan): New function.
3089         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3090         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3091         (Sized_relobj::incremental_relocs_write): New function.
3092         (Sized_relobj::incremental_relocs_write_reltype): New function.
3093         * script.cc (read_input_script): Rewrite test for incremental link.
3094         Change call to Incremental_inputs::report_script.
3095         * symtab.h (Symbol_table::first_global_index): New function.
3096         (Symbol_table::output_count): New function.
3097
3098 2010-08-12  Doug Kwan  <dougkwan@google.com>
3099
3100         * arm.cc (Target_arm::merge_object_attributes): Check command line
3101         options --no-wchar-size-warning and --no-enum-size-warning.
3102         * options.h (General_options): Add ld-compatible options
3103         --no-enum-size-warning and --no-wchar-size-warning.
3104
3105 2010-08-04  Ian Lance Taylor  <iant@google.com>
3106
3107         * x86_64.cc (Target_x86_64::Scan::local): Use
3108         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3109         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3110         (Target_x86_64::Scan::global): Likewise.
3111         (Target_x86_64::Relocate::relocate): Likewise.
3112         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3113         Likewise.
3114
3115 2010-08-03  Cary Coutant  <ccoutant@google.com>
3116
3117         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3118         to reserve space in merged_strings vector. Keep total input size
3119         for stats.
3120         (Output_merge_string::do_print_merge_stats): Print total input size.
3121         * merge.h (Output_merge_string): Add input_size_ field.
3122         * stringpool.cc (Stringpool_template::string_length): Move
3123         implementations out of Stringpool_template class and place in
3124         stringpool.h.
3125         * stringpool.h (string_length): Move out of Stringpool_template.
3126
3127 2010-08-03  Ian Lance Taylor  <iant@google.com>
3128
3129         PR 11712
3130         * layout.cc (relaxation_loop_body): If address of load segment is
3131         set, adjust address to include headers if possible.
3132
3133 2010-08-03  Ian Lance Taylor  <iant@google.com>
3134
3135         * version.cc (version_string): Bump to 1.10.
3136
3137 2010-08-03  Ian Lance Taylor  <iant@google.com>
3138
3139         PR 11805
3140         * layout.h (enum Output_section_order): Define.
3141         (class Layout): Update declarations.
3142         * layout.cc (Layout::get_output_section): Add order parameter.
3143         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3144         is_first_non_relro parameters.  Change all callers.
3145         (Layout::choose_output_section): Likewise.
3146         (Layout::add_output_section_data): Likewise.
3147         (Layout::make_output_section): Likewise.  Set order.
3148         (Layout::default_section_order): New function.
3149         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3150         * output.cc (Output_section::Output_section): Initialize order_.
3151         Don't initialize deleted fields.
3152         (Output_segment::Output_segment): Don't initialize deleted
3153         fields.
3154         (Output_segment::add_output_section_to_load): New function
3155         replacing add_output_section.  Change all callers to call this or
3156         add_output_section_to_nonload.
3157         (Output_segment::add_output_section_to_nonload): New function.
3158         (Output_segment::remove_output_section): Rewrite.
3159         (Output_segment::add_initial_output_data): Likewise.
3160         (Output_segment::has_any_data_sections): Likewise.
3161         (Output_segment::is_first_section_relro): Likewise.
3162         (Output_segment::maximum_alignment): Likewise.
3163         (Output_segment::has_dynamic_reloc): New function replacing
3164         dynamic_reloc_count.  Change all callers.
3165         (Output_segment::has_dynamic_reloc_list): New function replacing
3166         dynamic_reloc_count_list.  Change all callers.
3167         (Output_segment::set_section_addresses): Rewrite.
3168         (Output_segment::set_offset): Rewrite.
3169         (Output_segment::find_first_and_last_list): Remove.
3170         (Output_segment::set_tls_offsets): Rewrite.
3171         (Output_segment::first_section_load_address): Likewise.
3172         (Output_segment::output_section_count): Likewise.
3173         (Output_segment::section_with_lowest_load_address): Likewise.
3174         (Output_segment::write_section_headers): Likewise.
3175         (Output_segment::print_sections_to_map): Likewise.
3176         * output.h (class Output_data): Remove dynamic_reloc_count_
3177         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3178         (Output_data::add_dynamic_reloc): Rewrite.
3179         (Output_data::has_dynamic_reloc): New function.
3180         (Output_data::dynamic_reloc_count): Remove.
3181         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3182         is_last_relro_, is_first_non_relro_, is_interp_,
3183         is_dynamic_linker_section_ fields.  Add order and set_order
3184         functions.  Remove is_relro_local, set_is_relro_local,
3185         is_last_relro, set_is_last_relro, is_first_non_relro,
3186         set_is_first_non_relro functions, is_interp, set_is_interp,
3187         is_dynamic_linker_section, and set_is_dynamic_linker_section
3188         functions.
3189         (class Output_segment): Change Output_data_list from std::list to
3190         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3191         output_bss_ fields.  Update declarations.
3192
3193 2010-08-02  Ian Lance Taylor  <iant@google.com>
3194
3195         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3196         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3197         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3198
3199 2010-08-02  Ian Lance Taylor  <iant@google.com>
3200
3201         PR 11855
3202         * script.cc (Script_options::Script_options): Initialize
3203         symbol_definitions_ and symbol_references_.
3204         (Script_options::add_symbol_assignment): Update
3205         symbol_definitions_ and symbol_references_.
3206         (Script_options::add_symbol_reference): New function.
3207         (script_symbol): New function.
3208         * script.h (class Script_options): Add symbol_definitions_ and
3209         symbol_references_ fields.
3210         (Script_options::referenced_const_iterator): New type.
3211         (Script_options::referenced_begin): New function.
3212         (Script_options::referenced_end): New function.
3213         (Script_options::is_referenced): New function.
3214         (Script_options::any_unreferenced): New function.
3215         * script-c.h (script_symbol): Declare.
3216         * yyscript.y (exp): Call script_symbol.
3217         * symtab.cc: Include "script.h".
3218         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3219         Change all callers.  Check symbols referenced by scripts.
3220         (Symbol_table::add_undefined_symbols_from_command_line): Add
3221         layout parameter.  Change all callers.
3222         (Symbol_table::do_add_undefined_symbols_from_command_line):
3223         Likewise.  Break out loop body.  Check symbols referenced by
3224         scripts.
3225         (Symbol_table::add_undefined_symbol_from_command_line): New
3226         function broken out of
3227         do_add_undefined_symbols_from_command_line.
3228         * symtab.h (class Symbol_table): Update declarations.
3229         * archive.cc: Include "layout.h".
3230         (Archive::should_include_member): Add layout parameter.  Change
3231         all callers.  Check for symbol mentioned in expression.
3232         * archive.h (class Archive): Update declaration.
3233         * object.cc (Sized_relobj::do_should_include_member): Add layout
3234         parameter.
3235         * object.h (Object::should_include_member): Add layout parameter.
3236         Change all callers.
3237         (Object::do_should_include_member): Add layout parameter.
3238         (class Sized_relobj): Update declaration.
3239         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3240         parameter.
3241         * dynobj.h (class Sized_dynobj): Update declaration.
3242         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3243         layout parameter.
3244         * plugin.h (class Sized_pluginobj): Update declaration.
3245
3246 2010-08-02  Ian Lance Taylor  <iant@google.com>
3247
3248         PR 11866
3249         * output.cc (Output_segment::set_offset): Search for the first and
3250         last sections rather than assuming that the list is in order.
3251         (Output_segment::find_first_and_last_list): New function.
3252         * output.h (class Output_segment): Update declarations.
3253         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3254         (relro_strip_test_SOURCES): New variable.
3255         (relro_strip_test_DEPENDENCIES): New variable.
3256         (relro_strip_test_LDFLAGS): New variable.
3257         (relro_strip_test_LDADD): New variable.
3258         (relro_strip_test.so): New target.
3259
3260 2010-08-02  Ian Lance Taylor  <iant@google.com>
3261
3262         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3263         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3264         (Target_i386::got_tlsdesc_section): New function.
3265         (Target_i386::got_section): Create space for GOT entries for
3266         TLSDESC relocations.
3267         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3268         R_386_TLS_GOTDESC.
3269         (Target_i386::Scan::global): Likewise.
3270         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3271         using TLSDESC GOT.
3272         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3273         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3274         (Target_x86_64::got_tlsdesc_section): New function.
3275         (Target_x86_64::got_section): Create space for GOT entries for
3276         TLSDESC relocations.
3277         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3278         R_386_TLS_GOTDESC.
3279         (Target_x86_64::Scan::global): Likewise.
3280         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3281         using TLSDESC GOT.
3282
3283 2010-08-02  Ian Lance Taylor  <iant@google.com>
3284
3285         * testsuite/final_layout.sh: Use dc to convert from hex to
3286         decimal.
3287
3288 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3289
3290         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3291         paramter to the call to gold::gc_process_relocs.
3292         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3293         paramter to the call to gold::gc_process_relocs.
3294         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3295         parameter to the call to gold::gc_process_relocs.
3296         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3297         template parameter to the call to gold::gc_process_relocs.
3298         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3299         paramter to the call to gold::gc_process_relocs.
3300         * gc.h (get_embedded_addend_size): New function.
3301         (gc_process_relocs): Save the size of the reloc for use by ICF.
3302         * icf.cc (get_section_contents): Get the addend from the text section
3303         for SHT_REL relocation sections.
3304         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3305         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3306         * int_encoding.h (read_from_pointer): New overloaded function.
3307         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3308         * testsuite/icf_sht_rel_addend_test.sh: New file.
3309         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3310         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3311
3312 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3313
3314         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3315         * Makefile.in: Regenerate.
3316         * testsuite/Makefile.in: Regenerate.
3317
3318 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3319
3320         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3321         * gold/testsuite/debug_msg.cc: Likewise.
3322         * gold/testsuite/odr_violation1.cc
3323         * gold/testsuite/odr_violation2.cc
3324
3325 2010-07-21  Cary Coutant  <ccoutant@google.com>
3326
3327         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3328         string, and length fields.
3329         (Output_merge_string::Merged_strings_list): New type.
3330         (Output_merge_string::Merged_strings_lists): New typedef.
3331         (Output_merge_string): Replace merged_strings_ with
3332         merged_strings_lists_.
3333         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3334         Merged_strings_list per input object and section.  Don't store pointer
3335         to the string.  Don't store length with each merged string entry.
3336         (Output_merge_string::finalize_merged_data): Loop over list of merged
3337         strings lists.  Recompute length of each merged string.
3338
3339 2010-07-15  Cary Coutant  <ccoutant@google.com>
3340
3341         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3342         here.
3343
3344 2010-07-14  Ian Lance Taylor  <iant@google.com>
3345
3346         * descriptors.cc (Descriptors::open): Report correct name in error
3347         message.
3348
3349 2010-07-13  Doug Kwan  <dougkwan@google.com>
3350
3351         * arm.cc (Arm_input_section::Arm_input_section): For a
3352         SHT_ARM_EXIDX section, always keeps the input sections.
3353         (Arm_input_section::set_exidx_section_link): New method.
3354         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3355         has_errors_ to false.
3356         (Arm_exidx_input_section::has_errors,
3357         Arm_exidx_input_section::set_has_errors): New methods.
3358         (Arm_exidx_input_section::has_errors_): New data member.
3359         (Arm_relobj::get_exidx_shndx_list): New method.
3360         (Arm_output_section::append_text_sections_to_list): Do not skip
3361         section without SHF_EXECINSTR.
3362         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3363         errors.
3364         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3365         section header.  Make error messages more verbose.  Check for
3366         a non-executable section linked to an EXIDX section.
3367         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3368         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3369         check that there is no deferred EXIDX section if we exit early.
3370         Instead of not making an EXIDX section in case of an error, make one
3371         and set the has_errors flag of it.
3372         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3373         in a relocatable link.
3374         (Target_arm::do_relax): Look for the EXIDX output section instead of
3375         assuming that it is called .ARM.exidx.
3376         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3377         section list.  Do not check for SHF_EXECINSTR section flags but
3378         skip any input section with errors.
3379         * output.cc (Output_section::Output_section): Initialize
3380         always_keeps_input_sections_ to false.
3381         (Output_section::add_input_section): Check for
3382         always_keeps_input_sections_.
3383         *  output.h (Output_section::always_keeps_input_sections,
3384         Output_section::set_always_keeps_input_sections): New methods.
3385         (Output_section::always_keeps_input_sections): New data member.
3386
3387 2010-07-13  Rafael Espindola  <espindola@google.com>
3388
3389         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3390         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3391
3392 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3393             Ian Lance Taylor  <iant@google.com>
3394
3395         * output.h (Output_section_lookup_maps::add_merge_section):
3396         Correct check of whether value was inserted.
3397         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3398         (Output_section_lookup_maps::add_relaxed_input_section):
3399         Likewise.
3400         * arm.cc (Target_arm::got_section): Remove used local os.
3401         * i386.cc (Target_i386::got_section): Likewise.
3402         * x86_64.cc (Target_x86_64::got_section): Likewise.
3403         * sparc.cc (Target_sparc::got_section): Likewise.
3404         (Target_sparc::relocate): Remove unused local have_got_offset.
3405         * powerpc.cc (Target_powerpc::relocate): Likewise.
3406
3407 2010-07-13  Ian Lance Taylor  <iant@google.com>
3408
3409         * compressed_output.cc (zlib_decompress): Fix signature in
3410         !HAVE_ZLIB_H case.
3411
3412         * archive.cc (Archive::include_member): Unlock an external member
3413         of a thin archive.  Don't bother to delete an object we know is
3414         NULL.
3415
3416 2010-07-12  Cary Coutant  <ccoutant@google.com>
3417
3418         * compressed_output.cc (zlib_decompress): New function.
3419         (get_uncompressed_size): New function.
3420         (decompress_input_section): New function.
3421         * compressed_output.h (get_uncompressed_size): New function.
3422         (decompress_input_section): New function.
3423         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3424         Handle compressed debug sections.
3425         * layout.cc (is_compressed_debug_section): New function.
3426         (Layout::output_section_name): Map compressed section names to
3427         canonical names.
3428         * layout.h (is_compressed_debug_section): New function.
3429         (is_debug_info_section): Recognize compressed debug sections.
3430         * merge.cc: Include compressed_output.h.
3431         (Output_merge_data::do_add_input_section): Handle compressed
3432         debug sections.
3433         (Output_merge_string::do_add_input_section): Handle compressed
3434         debug sections.
3435         * object.cc: Include compressed_output.h.
3436         (Sized_relobj::Sized_relobj): Initialize new data members.
3437         (build_compressed_section_map): New function.
3438         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3439         * object.h (Object::section_is_compressed): New method.
3440         (Object::do_section_is_compressed): New method.
3441         (Sized_relobj::Compressed_section_map): New type.
3442         (Sized_relobj::do_section_is_compressed): New method.
3443         (Sized_relobj::compressed_sections_): New data member.
3444         * output.cc (Output_section::add_input_section): Handle compressed
3445         debug sections.
3446         * reloc.cc: Include compressed_output.h.
3447         (Sized_relobj::write_sections): Handle compressed debug sections.
3448
3449 2010-07-08  Cary Coutant  <ccoutant@google.com>
3450
3451         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3452         weak when resolving to a dynamic def.
3453         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3454         for weak undef/dynamic def cases. Adjust callers.
3455         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3456         undef_binding_weak_.
3457         (Symbol_table::sized_write_globals): Adjust symbol binding.
3458         (Symbol_table::sized_write_symbol): Add binding parameter.
3459         * symtab.h (Symbol::set_undef_binding): New method.
3460         (Symbol::is_undef_binding_weak): New method.
3461         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3462         (Symbol_table::should_override): Add new parameter.
3463         (Symbol_table::sized_write_symbol): Add new parameter.
3464
3465         * testsuite/weak_undef_file1.cc: Add new test case.
3466         * testsuite/weak_undef_file2.cc: Fix header comment.
3467         * testsuite/weak_undef_test.cc: Add new test case.
3468
3469 2010-06-29  Doug Kwan  <dougkwan@google.com>
3470
3471         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3472         Initialize USE_SYMBOL_.
3473         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3474         definition.
3475         (Arm_reloc_property::uses_symbol_): New data member declaration.
3476         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3477         uses symbol value and symbol is undefined but not weakly undefined.
3478
3479 2010-06-28  Rafael Espindola  <espindola@google.com>
3480
3481         * plugin.cc (Plugin::load): Use dlerror.
3482
3483 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3484
3485         * symtab.cc (detect_odr_violations): When reporting an ODR
3486         violation, report an object where the symbol is defined.
3487
3488 2010-06-25  Doug Kwan  <dougkwan@google.com>
3489
3490         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3491         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3492         definition.
3493         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3494         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3495         target hook to detect function points.
3496         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3497         * icf.h (Icf::check_section_for_function_pointers): Change type of
3498         parameter SECTION_NAME to const reference to std::string.  Use
3499         target hook to determine if section may have unsafe pointers.
3500         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3501         method definition.
3502
3503 2010-06-21  Rafael Espindola  <espindola@google.com>
3504
3505         * fileread.cc (Input_file::find_fie): New
3506         (Input_file::open): Use Input_file::find_fie.
3507         * fileread.h (Input_file::find_fie): New
3508         * plugin.cc (set_extra_library_path): New.
3509         (Plugin::load): Add set_extra_library_path to the transfer vector.
3510         (Plugin_manager::set_extra_library_path): New.
3511         (Plugin_manager::add_input_file): Use the extra search path if set.
3512         (set_extra_library_path(): New.
3513         * plugin.h (Plugin_manager): Add set_extra_library_path and
3514         extra_search_path_.
3515
3516 2010-06-19  Cary Coutant  <ccoutant@google.com>
3517
3518         * layout.cc (gdb_sections): Add .debug_types.
3519         (lines_only_debug_sections): Likewise.
3520
3521 2010-06-18  Rafael Espindola  <espindola@google.com>
3522
3523         * plugin.cc (add_input_file,add_input_library)
3524         (Plugin_manager::add_input_file): Make filename arguments const.
3525         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3526         const.
3527
3528 2010-06-16  Doug Kwan  <dougkwan@google.com>
3529
3530         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3531         .ARM.attributes section if we have not merged any input
3532         attributes sections.
3533
3534 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3535
3536         * arm.cc: Allow combining objects with no EABI version
3537         information.
3538
3539 2010-06-15  Rafael Espindola  <espindola@google.com>
3540
3541         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3542
3543 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3544
3545         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3546         (struct iovec): Correct !HAVE_READV definition.
3547
3548 2010-06-10  Cary Coutant  <ccoutant@google.com>
3549
3550         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3551         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3552         reloc sections.
3553         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3554
3555         PR 11683
3556         * symtab.h (Symbol::is_placeholder): New member function.
3557         * target-reloc.h (relocate_section): Check for placeholder symbols.
3558
3559         * testsuite/Makefile.am (plugin_test_8): New test.
3560         (plugin_test_9): New test.
3561         * testsuite/Makefile.in: Regenerate.
3562
3563 2010-06-09  Nick Clifton  <nickc@redhat.com>
3564
3565         * yyscript.y (input_list_element): Allow strings prefixed with
3566         the '-' character.  Treat these as libraries.
3567         * script.cc (script_add_library): New function.  Adds a library
3568         specified by "-l<name>" found in an input script.
3569         * script-c.h: Add prototype for script_add_library.
3570
3571 2010-06-07  Doug Kwan  <dougkwan@google.com>
3572
3573         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3574         Restrict stub-group size to be within long conditional branch
3575         range when working around cortex-A8 erratum.
3576
3577 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3578
3579         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3580         #ifdef typo.
3581
3582 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3583
3584         PR gold/11658
3585         * output.cc
3586         (Output_section::Input_section_sort_entry::compare_section_ordering):
3587         Change to return non-zero correctly.
3588         (Output_section::Input_section_sort_section_order_index_compare
3589         ::operator()): Change to fix ambiguity in comparisons.
3590
3591 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3592
3593         * gold.h (is_wildcard_string): New function.
3594         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3595         (Layout::layout_eh_frame): Ditto.
3596         (Layout::find_section_order_index): New method.
3597         (Layout::read_layout_from_file): New method.
3598         * layout.h (Layout::find_section_order_index): New method.
3599         (Layout::read_layout_from_file): New method.
3600         (Layout::input_section_position_): New private member.
3601         (Layout::input_section_glob_): New private member.
3602         * main.cc (main): Call read_layout_from_file here.
3603         * options.h (--section-ordering-file): New option.
3604         * output.cc (Output_section::input_section_order_specified_): New
3605         member.
3606         (Output_section::Output_section): Initialize new member.
3607         (Output_section::add_input_section): Add new parameter.
3608         Keep input sections when --section-ordering-file is used.
3609         (Output_section::set_final_data_size): Sort input sections when
3610         section ordering file is specified.
3611         (Output_section::Input_section_sort_entry): Add new parameter.
3612         Check sorting type.
3613         (Output_section::Input_section_sort_entry::compare_section_ordering):
3614         New method.
3615         (Output_section::Input_section_sort_compare::operator()): Change to
3616         consider section_order_index.
3617         (Output_section::Input_section_sort_init_fini_compare::operator()):
3618         Change to consider section_order_index.
3619         (Output_section::Input_section_sort_section_order_index_compare
3620         ::operator()): New method.
3621         (Output_section::sort_attached_input_sections): Change to sort
3622         according to section order when specified.
3623         (Output_section::add_input_section<32, true>): Add new parameter.
3624         (Output_section::add_input_section<64, true>): Add new parameter.
3625         (Output_section::add_input_section<32, false>): Add new parameter.
3626         (Output_section::add_input_section<64, false>): Add new parameter.
3627         * output.h (Output_section::add_input_section): Add new parameter.
3628         (Output_section::input_section_order_specified): New
3629         method.
3630         (Output_section::set_input_section_order_specified): New method.
3631         (Input_section::Input_section): Initialize section_order_index_.
3632         (Input_section::section_order_index): New method.
3633         (Input_section::set_section_order_index): New method.
3634         (Input_section::section_order_index_): New member.
3635         (Input_section::Input_section_sort_section_order_index_compare): New
3636         struct.
3637         (Output_section::input_section_order_specified_): New member.
3638         * script-sections.cc (is_wildcard_string): Delete and move modified
3639         method to gold.h.
3640         (Output_section_element_input::Output_section_element_input): Modify
3641         call to is_wildcard_string.
3642         (Output_section_element_input::Input_section_pattern
3643         ::Input_section_pattern): Ditto.
3644         (Output_section_element_input::Output_section_element_input): Ditto.
3645         * testsuite/Makefile.am (final_layout): New test case.
3646         * testsuite/Makefile.in: Regenerate.
3647         * testsuite/final_layout.cc: New file.
3648         * testsuite/final_layout.sh: New file.
3649
3650 2010-06-01  Rafael Espindola  <espindola@google.com>
3651
3652         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3653
3654 2010-06-01  Rafael Espindola  <espindola@google.com>
3655
3656         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3657         visibility of symbols.
3658
3659 2010-05-27  Doug Kwan  <dougkwan@google.com>
3660
3661         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3662         from start of output section instead of address for a local symbol
3663         in a merged or relaxed section when doing a relocatable link.
3664
3665 2010-05-26  Rafael Espindola  <espindola@google.com>
3666
3667        PR 11604
3668         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3669         adding sections the garbage collector removed.
3670         * gold/testsuite/Makefile.am: Add test.
3671         * gold/testsuite/Makefile.in: Regenerate.
3672         * gold/testsuite/plugin_test_7.sh: New.
3673         * gold/testsuite/plugin_test_7_1.c: New.
3674         * gold/testsuite/plugin_test_7_2.c: New.
3675
3676 2010-05-26  Rafael Espindola  <espindola@google.com>
3677
3678         * script-sections.cc (Output_section_definition::set_section_addresses):
3679         Check for --section-start.
3680
3681 2010-05-26  Doug Kwan  <dougkwan@google.com>
3682
3683         * arm.cc (Arm_scan_relocatable_relocs): New class.
3684         (Target_arm::relocate_special_relocatable): New method.
3685         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3686         (Arm_relocate_functions::thumb_branch_common): Same.
3687         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3688         instead of Default_scan_relocatable_relocs.
3689         * target-reloc.h (relocate_for_relocatable): Let target handle
3690         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3691         * target.h (Sized_target::relocate_special_relocatable): New method.
3692
3693 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3694
3695         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3696
3697 2010-05-23  Doug Kwan  <dougkwan@google.com>
3698
3699         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3700         instead of a cast.
3701         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3702         with a direct branch, not a conditional branch, to a stub.
3703         * merge.cc (Output_merge_base::record_input_section): New method
3704         defintion.
3705         (Output_merge_data::do_add_input_section): Record input section if
3706         keeps-input-sections flag is set.
3707         (Output_merge_string::do_add_input_section): Ditto.
3708         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3709         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3710         INPUT_SECTIONS_.
3711         (Output_merge_base::keeps_input_sections,
3712         Output_merge_base::set_keeps_input_sections,
3713         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3714         method definitions.
3715         (Output_merge_base::Input_sections): New type declaration.
3716         (Output_merge_base::input_sections_begin,
3717         Output_merge_base::input_sections_end,
3718         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3719         (Output_merge_base::bool keeps_input_sections_,
3720         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3721         Output_merge_base::input_sections_): New data members.
3722         (Output_merge_data::do_set_keeps_input_sections): New method
3723         defintion.
3724         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3725         * output.cc (Output_section::Input_section::relobj): Move method
3726         defintion from class declaration to here and handle merge sections.
3727         (Output_section::Input_section::shndx): Ditto.
3728         (Output_section::Output_section): Remove initializations of removed
3729         data members and initialize new data member LOOKUP_MAPS_.
3730         (Output_section::add_input_section): Set keeps-input-sections flag
3731         for a newly created merge output section as appropriate.  Adjust code
3732         to use Output_section_lookup_maps class.
3733         (Output_section::add_relaxed_input_section): Adjst code for lookup
3734         maps code refactoring.
3735         (Output_section::add_merge_input_section): Add a new parameter
3736         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3737         class.  If adding input section to a newly created merge output
3738         section fails, remove the new merge section.
3739         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3740         Adjust code for use of the Output_section_lookup_maps class.
3741         (Output_section::find_merge_section): Ditto.
3742         (Output_section::build_lookup_maps): New method defintion.
3743         (Output_section::find_relaxed_input_section): Adjust code to use
3744         Output_section_lookup_maps class.
3745         (Output_section::get_input_sections): Export merge sections.  Adjust
3746         code to use Output_section_lookup_maps class.
3747         (Output_section:::add_script_input_section): Adjust code to use
3748         Output_section_lookup_maps class.  Update lookup maps for merge
3749         sections also.
3750         (Output_section::discard_states): Use Output_section_lookup_maps.
3751         (Output_section::restore_states): Same.
3752         * output.h (Merge_section_properties): Move class defintion out of
3753         Output_section.
3754         (Output_section_lookup_maps): New class.
3755         (Output_section::Input_section::is_merge_section): New method
3756         defintion.
3757         (Output_section::Input_section::relobj): Move defintion out of class
3758         defintion.  Declare method only.
3759         (Output_section::Input_section::shndx): Ditto.
3760         (Output_section::Input_section::output_merge_base): New method defintion.
3761         (Output_section::Input_section::u2_.pomb): New union field.
3762         (Output_section::Merge_section_by_properties_map,
3763         Output_section::Output_section_data_by_input_section_map,
3764         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3765         Remove types.
3766         (Output_section::add_merge_input_section): Add new parameter
3767         KEEPS_INPUT_SECTIONS.
3768         (Output_section::build_lookup_maps): New method declaration.
3769         (Output_section::merge_section_map_,
3770         Output_section::merge_section_by_properties_map_,
3771         Output_section::relaxed_input_section_map_,
3772         Output_section::is_relaxed_input_section_map_valid_): Remove data
3773         members.
3774         (Output_section::lookup_maps_): New data member.
3775
3776 2010-05-21  Doug Kwan  <dougkwan@google.com>
3777
3778         PR gold/11619
3779         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3780         avoid a compilation error.
3781
3782 2010-05-19  Rafael Espindola  <espindola@google.com>
3783
3784         * script-sections.cc (Output_section_definition::allocate_to_segment):
3785         Update the phdrs_list even when the output section is NULL.
3786         * testsuite/Makefile.am: Add test.
3787         * testsuite/Makefile.in: Regenerate.
3788         * testsuite/script_test_9.cc: New.
3789         * testsuite/script_test_9.sh: New.
3790         * testsuite/script_test_9.t: New.
3791
3792 2010-05-19  Doug Kwan  <dougkwan@google.com>
3793
3794         * arm.cc (Arm_input_section::original_size): New method.
3795         (Arm_input_section::do_addralign): Add a cast.
3796         (Arm_input_section::do_output_offset): Remove static cast.
3797         (Arm_input_section::original_addralign,
3798          Arm_input_section::original_size_): Change type to uint32_t.
3799         (Arm_input_section::init): Add safe casts for section alignment
3800         and size.
3801         (Arm_input_section::set_final_data_size): Do not set address and
3802         offset of stub table.
3803         (Arm_output_section::fix_exidx_coverage): Change use of of
3804         Output_section::Simple_input_section to that of
3805         Output_section::Input_section.
3806         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3807         except for the first pass.
3808         * output.cc (Output_section::get_input_sections): Change type of
3809         input_sections to std::list<Input_section>.
3810         (Output_section::add_script_input_section): Rename from
3811         Output_section::add_simple_input_section.  Change type of SIS
3812         parameter from Simple_input_section to Input_section.
3813         * output.h (Output_section::Simple_input_section): Remove class.
3814         (Output_section::Input_section): Change class visibility to public.
3815         (Output_section::Input_section::addralign): Use stored alignments
3816         for special input sections if set.
3817         (Output_section::Input_section::set_addralign): New method.
3818         (Output_section::get_input_sections): Change parameter type from
3819         list of Simple_input_section to list of Input_section.
3820         (Output_section::add_script_input_section): Rename from
3821         Output_section::add_simple_input_section. Change first parameter's
3822         type from Simple_input_section to Input_section and remove the
3823         second and third parameters.
3824         * script-sections.cc (Input_section::Input_section_list): Change
3825         type to list of Output_section::Input_section/
3826         (Input_section_info::Input_section_info): Change parameter type of
3827         INPUT_SECTION to Output_section::Input_section.
3828         (Input_section_info::input_section): Change return type.
3829         (Input_section_info::input_section_): Change type to
3830         Output_section::Input_section.
3831         (Output_section_element_input::set_section_addresses): Adjust code
3832         to use Output_section::Input_section instead of
3833         Output_section::Simple_input_section.  Adjust code for renaming
3834         of Output_section::add_simple_input_section.
3835         (Orphan_output_section::set_section_addresses): Ditto.
3836
3837 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3838
3839         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3840         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3841
3842 2010-05-18  Rafael Espindola  <espindola@google.com>
3843
3844         * options.cc (General_options::finalize): Handle -nostdlib.
3845         * options.h (nostdlib): New option.
3846         * script.cc (script_add_search_dir): Handle -nostdlib.
3847
3848 2010-05-12  Doug Kwan  <dougkwan@google.com>
3849
3850         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3851         attributes section only if there no attributes section after merging.
3852         (Target_arm::merge_object_attributes): Move value of
3853         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3854         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3855         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3856         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3857         and arm_attr_merge_7.stdout.
3858         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3859         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3860         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3861         arm_attr_merge_7b.o): New rules.
3862         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3863         arm_attr_merge_7
3864         * testsuite/Makefile.in: Regenerate.
3865         * testsuite/arm_attr_merge.sh: New file.
3866         * testsuite/arm_attr_merge_[67][ab].s: Same.
3867
3868 2010-05-05  Nick Clifton  <nickc@redhat.com>
3869
3870         * po/es.po: Updated Spanish translation.
3871
3872 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3873
3874         * Makefile.am (install-exec-local): Properly install gold as
3875         default cross linker.
3876         * Makefile.in: Regenerated.
3877
3878 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3879             Nick Clifton  <nickc@redhat.com>
3880
3881         * configure.ac (install_as_default): Define and set to false
3882         unless --enable-gold or --enable-gold=both/gold has been
3883         specified.
3884         * configure: Regenerate.
3885
3886         * Makefile.am (install-exec-local): Install the executable as
3887         'ld.gold'.  If install_as_default is true then also install it as
3888         'ld'.
3889         * Makefile.in: Regenerated.
3890
3891 2010-04-24  Ian Lance Taylor  <iant@google.com>
3892
3893         * layout.cc (Layout::layout_reloc): In relocatable link don't
3894         combine reloc sections for grouped sections.
3895
3896 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3897
3898         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3899         sections that are not ordinary to icf.
3900         * icf.cc (get_section_contents): Handle relocation pointing to section
3901         with no object or shndx information.
3902         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3903         * testsuite/Makefile.in: Regenerate.
3904         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3905         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3906
3907 2010-04-22  Ian Lance Taylor  <iant@google.com>
3908
3909         * expression.cc (Expression::Expression_eval_info): Add
3910         result_alignment_pointer field.
3911         (Expression::eval_with_dot): Add result_alignment_pointer
3912         parameter.  Change all callers.
3913         (Expression::eval_maybe_dot): Likewise.
3914         (class Binary_expression): Add alignment_pointer parameter to
3915         left_value and right_value.  Change all callers.
3916         (BINARY_EXPRESSION): Set result alignment.
3917         (class Trinary_expression): Add alignment_pointer parameter to
3918         arg2_value and arg3_value.  Change all callers.
3919         (Trinary_cond::value): Set result alignment.
3920         (Max_expression::value, Min_expression::value): Likewise.
3921         (Align_expression::value): Likewise.
3922         * script-sections.cc (class Sections_element): Add dot_alignment
3923         parameter to set_section_addresses virtual function.  Update
3924         instantiations.
3925         (class Output_section_element): Likewise.
3926         (Script_sections::create_segments): Add dot_alignment parameter.
3927         Change all callers.
3928         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3929         (Script_sections::set_phdrs_clause_addresses): Likewise.
3930         * script-sections.h: Update declarations.
3931         * script.h: Update declarations.
3932         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3933         min_p_align.
3934         * testsuite/script_test_3.t: Set large alignment.
3935         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3936         segment has expected alignment.
3937
3938 2010-04-22  Nick Clifton  <nickc@redhat.com>
3939
3940         * po/gold.pot: Updated by the Translation project.
3941         * po/vi.po: Updated Vietnamese translation.
3942
3943 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3944
3945         * testsuite/Makefile.am (check_PROGRAMS): Add
3946         icf_virtual_function_folding_test.
3947         * testsuite/Makefile.in: Regenerated.
3948
3949 2010-04-15  Andrew Haley  <aph@redhat.com>
3950
3951         * options.h (merge_exidx_entries): New option.
3952         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3953         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3954         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3955         (Target_arm::merge_exidx_entries): New function.
3956         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3957         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3958         to Arm_exidx_fixup constructor.
3959         Add new arg, merge_exidx_entries.
3960         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3961         Arm_output_section::fix_exidx_coverage.
3962
3963 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3964
3965         * icf.cc (get_section_contents): Check for preemptible functions.
3966         Ignore addend when appropriate.
3967         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3968         section folded.
3969         (add_from_relobj): Check for section folded.
3970         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3971         * symtab.h (should_add_dynsym_entry): Add new parameter.
3972         * target-reloc.h (scan_relocs): Check for section folded.
3973         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3974         Check reloc types for function pointers in shared objects.
3975         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3976         case.
3977         (icf_preemptible_functions_test): New test case.
3978         (icf_string_merge_test): New test case.
3979         * testsuite.Makefile.in: Regenerate.
3980         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3981         bar_glob.  Refactor code.
3982         * testsuite/icf_preemptible_functions_test.cc: New file.
3983         * testsuite/icf_preemptible_functions_test.sh: New file.
3984         * testsuite/icf_string_merge_test.cc: New file.
3985         * testsuite/icf_string_merge_test.sh: New file.
3986         * testsuite/icf_virtual_function_folding_test.cc: New file.
3987         * testsuite/icf_virtual_function_folding_test.sh: New file.
3988
3989 2010-04-14  Doug Kwan  <dougkwan@google.com>
3990
3991         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3992         for local symbol recounting if we remove a section due to ICF.
3993         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3994         there are no regular objects in input.
3995
3996 2010-04-13  Doug Kwan  <dougkwan@google.com>
3997
3998         * arm.cc (Arm_input_section::set_final_data_size): Compute
3999         accurate final data size instead of using current data size.
4000
4001 2010-04-09  Doug Kwan  <dougkwan@google.com>
4002
4003         * layout.cc (Layout::choose_output_section): Handle script section
4004         types.
4005         (Layout::make_output_section_for_script): Add section type parameter.
4006         Handle script section types.
4007         * layout.h (Layout::make_output_section_for_script): Add section
4008         type parameter.
4009         * output.cc (Output_section::Output_section): Initialize data member
4010         is_noload_.
4011         (Output_section::do_reset_address_and_file_offset): Do not set address
4012         to 0 if section is a NOLOAD section.
4013         * output.h (Output_section::is_noload): New method.
4014         (Output_section::set_is_noload): Ditto.
4015         (Output_section::is_noload_): New data member.
4016         * script-c.h (Script_section_type): New enum type.
4017         (struct Parser_output_section_header): Add new file section_type.
4018         * script-sections.cc (Sections_element::output_section_name): Add
4019         parameter for returning script section type.
4020         (Output_section_definition::output_section_name): Ditto.
4021         (Output_section_definition::section_type)P; New method.
4022         (Output_section_definiton::script_section_type_name): Ditto.
4023         (Output_section_definition::script_section_type_): New data member.
4024         (Output_section_definition::Output_section_definition): Initialize
4025         data member Output_section_definition::script_section_type_.
4026         (Output_section_definition::create_sections): Pass script section type
4027         to Layout::make_output_section_for_script.
4028         (Output_section_definition::output_section_name): Return script
4029         section type to caller.
4030         (Output_section_definition::set_section_address): Do not advance
4031         dot value and load address if section type is NOLOAD.  Set address
4032         of NOLOAD sections regardless of section flags.
4033         (Output_section_definition::print): Print section type if it is
4034         not SCRIPT_SECTION_TYPE_NONE.
4035         (Output_section_definition::section_type): New method.
4036         (Output_section_definition::script_section_type_name): Ditto.
4037         (Script_sections::output_section_name): Add new parameter
4038         PSECTION_TYPE for returning script section type.  Pass it to
4039         section elements.  Handle discard sections.
4040         (Sort_output_sections::operator()): Handle NOLOAD sections.
4041         * script-sections.h (Script_sections::Section_type): New enum type.
4042         (Script_sections::output_section_name): Add a new parameter for
4043         returning script section type.
4044         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4045         INFO and NOLOAD.
4046         * yyscript.y (union): Add new field SECTION_TYPE.
4047         (COPY, DSECT, INFO, NOLOAD): New tokens.
4048         (opt_address_and_section_type): Change type to output_section_header.
4049         (section_type): New non-terminal
4050         (section_header): Handle section type.
4051         (opt_address_and_section_type): Return section type value.
4052
4053 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4054
4055         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4056         * testsuite/plugin_common_test_2.c (foo): Likewise.
4057
4058 2010-04-08  Doug Kwan  <dougkwan@google.com>
4059
4060         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4061         Output_merge_data.
4062         * output.cc (Output_section::add_merge_input_section): Simplify
4063         code and return status of Output_merge_base::add_input_section.
4064         Update merge section map only if Output_merge_base::add_input_section
4065         returns true.
4066
4067 2010-04-07  Doug Kwan  <dougkwan@google.com>
4068
4069         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4070         if section is marked as containing instructions but has no mapping
4071         symbols.
4072         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4073         correct section index.
4074         (Arm_relobj::find_linked_text_section): Ditto.
4075
4076 2010-04-07  Cary Coutant  <ccoutant@google.com>
4077
4078         * archive.cc (include_member): Destroy Read_symbols_data object before
4079         releasing file.
4080         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4081         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4082         (Read_symbols_data::~Read_symbols_data) New destructor.
4083         (Section_relocs::Section_relocs) New constructor.
4084         (Section_relocs::~Section_relocs) New destructor.
4085         (Read_relocs_data::Read_relocs_data) New constructor.
4086         (Read_relocs_data::~Read_relocs_data) New destructor.
4087         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4088         pointers to NULL after deleting.
4089
4090 2010-04-07  Doug Kwan  <dougkwan@google.com>
4091
4092         * arm.cc: Replace "endianity" with "endianness" in comments.
4093         (Arm_exidx_cantunwind): Ditto.
4094         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4095         (Arm_relobj::merge_flags_and_attributes): New method.
4096         (Arm_relobj::merge_flags_and_attributes_): New data member.
4097         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4098         (Arm_relobj::scan_sections_for_stubs): Ditto.
4099         (Arm_relobj::do_read_symbols): Check to see if we really want to
4100         merge processor-specific flags and attributes.  Exit early if
4101         an object is empty except for section names and the undefined symbol.
4102         (Target_arm::do_finalize_sections): Move check for ELF format to
4103         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4104         attributes from a regular object only when we have determined that
4105         it is aapropriate.  Do not create an .ARM.attributes section in
4106         output if there is no regular input object.
4107         (Target_arm::merge_processor_specific_flags): Check
4108         --warn-mismatch before printing any error.
4109         (Target_arm::merge_object_attributes): Ditto.
4110         * gold.cc (queue_middle_tasks): Handle the case in which there is
4111         no regular object in input.
4112         * options.cc (General_options::parse_EB): New method.
4113         (General_options::parse_EL): Same.
4114         (General_options::General_options): Initialize endianness_.
4115         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4116         New options.
4117         (General_options::Endianness): New enum.
4118         (General_options::endianness): New method.
4119         (General_options::endianness_): New data member.
4120         * parameters.cc (Parameters::set_options): Check target endianness.
4121         (Parameters::set_target_once): Ditto.
4122         (Parameters::check_target_endianness): New method.
4123         (parameters_force_valid_target): If either -EL or -EB is specified,
4124         use it to define endianness of default target.
4125         * parameters.h (Parameters::check_target_endianness): New method
4126         declaration.
4127         * target.h (class Target): Change "endianity" to "endianness"
4128         in comments.
4129
4130 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4131
4132         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4133         * configure: Regenerate.
4134         * Makefile.in: Regenerate.
4135         * testsuite/Makefile.in: Regenerate.
4136
4137 2010-04-06  Cary Coutant  <ccoutant@google.com>
4138
4139         gcc PR lto/42757
4140         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4141         prevailing definitions of common symbols.
4142         * testsuite/plugin_test_6.sh: New test case.
4143         * testsuite/plugin_common_test_1.c: New test case.
4144         * testsuite/plugin_common_test_2.c: New test case.
4145         * testsuite/Makefile.am (plugin_test_6): New test case.
4146         * testsuite/Makefile.in: Regenerate.
4147
4148 2010-04-06  Nick Clifton  <nickc@redhat.com>
4149
4150         * po/vi.po: New Vietnamese translation.
4151
4152 2010-03-30  Doug Kwan  <dougkwan@google.com>
4153
4154         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4155
4156 2010-03-25  Doug Kwan  <dougkwan@google.com>
4157
4158         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4159         to avoid a conversion warning on a 32-bit host.
4160
4161 2010-03-24  Ian Lance Taylor  <iant@google.com>
4162
4163         * testsuite/script_test_3.t: Add a TLS segment.
4164         * testsuite/Makefile.am (check_PROGRAMS): Add
4165         tls_phdrs_script_test.
4166         (tls_phdrs_script_test_SOURCES): Define.
4167         (tls_phdrs_script_test_DEPENDENCIES): Define.
4168         (tls_phdrs_script_test_LDFLAGS): Define.
4169         (tls_phdrs_script_test_LDADD): Define.
4170         * testsuite/Makefile.in: Rebuild.
4171
4172 2010-03-23  Cary Coutant  <ccoutant@google.com>
4173
4174         * fileread.cc (find_or_make_view): Fix comment.
4175
4176 2010-03-23  Ian Lance Taylor  <iant@google.com>
4177
4178         * script-sections.cc (class Orphan_section_placement): Define
4179         PLACE_TLS and PLACE_TLS_BSS.
4180         (Orphan_section_placement::Orphan_section_placement): Initialize
4181         new places.
4182         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4183         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4184         (tls_script_test_SOURCES): Define.
4185         (tls_script_test_DEPENDENCIES): Define.
4186         (tls_script_test_LDFLAGS): Define.
4187         (tls_script_test_LDADD): Define.
4188         * testsuite/Makefile.in: Rebuild.
4189
4190 2010-03-22  Doug Kwan  <dougkwan@google.com>
4191
4192         * arm.cc (Arm_relocate_functions::abs8,
4193         Arm_relocate_functions::abs16): Use correct check for overflow
4194         specified in the ARM ELF specs.
4195         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4196         target of a BLX instruction specially.
4197         (Reloc_stub::stub_type_for_reloc): Ditto.
4198         (Relocate::relocate): Use symbolic names instead of numeric relocation
4199         codes to report error.
4200         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4201         workaround.
4202         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4203         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4204         thumb2_blx_out_of_range.stdout
4205         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4206         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4207         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4208         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4209         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4210         thumb2_blx_in_range, thumb2_blx_in_range.o,
4211         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4212         thumb2_blx_out_of_range.o): New rules.
4213         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4214         thumb2_blx_in_range and thumb2_blx_out_of_range.
4215         * testsuite/Makefile.in: Regenerate.
4216         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4217         * testsuite/thumb_blx_in_range.s: New file.
4218         * testsuite/thumb_blx_out_of_range.s: New file.
4219
4220 2010-03-22  Rafael Espindola  <espindola@google.com>
4221
4222         * archive.cc (Should_include): Move to archive.h.
4223         (should_include_member): Make it a member of Archive.
4224         (Lib_group): New.
4225         (Add_lib_group_symbols): New.
4226         * archive.h: Include options.h.
4227         (Archive_member): Moved from Archive.
4228         (Should_include): Moved from archive.cc.
4229         (Lib_group): New.
4230         (Add_lib_group_symbols): New.
4231         * dynobj.cc (do_should_include_member): New.
4232         * dynobj.h (do_should_include_member): New.
4233         * gold.cc (queue_initial_tasks): Update call to queue.
4234         * main.cc (main): Print lib group stats.
4235         * object.cc (do_should_include_member): New.
4236         * object.h: Include archive.h.
4237         (Object::should_include_member): New.
4238         (Object::do_should_include_member): New.
4239         (Sized_relobj::do_should_include_member): New.
4240         * options.cc (General_options::parse_start_lib): New.
4241         (General_options::parse_end_lib): New.
4242         (Input_arguments::add_file): Handle lib groups.
4243         (Input_arguments::start_group): Check we are not in a lib.
4244         (Input_arguments::start_lib): New.
4245         (Input_arguments::end_lib): New.
4246         * options.h (General_options): Add start_lib and end_lib.
4247         (Input_argument::lib_): New.
4248         (Input_argument::lib): New.
4249         (Input_argument::is_lib): New.
4250         (Input_file_lib): New.
4251         (Input_arguments::in_lib_): New.
4252         (Input_arguments::in_lib): New.
4253         (Input_arguments::start_lib): New.
4254         (Input_arguments::end_lib_): New.
4255         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4256         in unused members as preempted.
4257         (Sized_pluginobj::do_should_include_member): New.
4258         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4259         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4260         return the blocker.
4261         (Read_symbols::do_whole_lib_group): New.
4262         (Read_symbols::do_lib_group): New.
4263         (Read_symbols::do_read_symbols): Handle lib groups.
4264         (Read_symbols::get_name): Handle lib groups.
4265         * readsyms.h (Read_symbols): Add an archive member pointer.
4266         (Read_symbols::do_whole_lib_group): New.
4267         (Read_symbols::do_lib_group): New.
4268         (Read_symbols::member_): New.
4269         * script.cc (read_input_script): Update call to queue_soon.
4270
4271 2010-03-19  Doug Kwan  <dougkwan@google.com>
4272
4273         * arm.cc (Stub_table::Stub_table): Initialize new data members
4274         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4275         (Stub_table::add_reloc_stub): Assign stub offset and update
4276         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4277         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4278         New data members.
4279         (Stub_table::update_data_size_and_addralign): Use
4280         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4281         instead of going over all reloc stubs.
4282         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4283         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4284         Stringpool_template::offset_ to size of Stringpool_char.
4285         (Stringpool_template::new_key_offset): Remove code to initialize
4286         Stringpool_template::offset_.
4287         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4288         Stringpool_template::offset_ to zero.
4289
4290 2010-03-15  Doug Kwan  <dougkwan@google.com>
4291
4292         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4293         offset_.
4294         (Stringpool_template::new_key_offset): New method.
4295         (Stringpool_template::add_string): Assign offsets when adding new
4296         strings.
4297         (Stringpool_template::set_string_offsets): Do not set string offsets
4298         when not optimizing.
4299         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4300         member size_.
4301         (Chunked_vector::clear): Clear size_.
4302         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4303         (Chunked_vector::size): Return size_.
4304         (Chunked_vector::push_back): Use size_ to find insert position.
4305         (Chunked_vector::size_): New data member.
4306         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4307         (Stringpool_template::new_key_offset): New method declaration.
4308         (Stringpool_template::offset_): New data member.
4309
4310 2010-03-15   Rafael Espindola  <espindola@google.com>
4311
4312         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4313         Add_symbols' constructor.
4314         * readsyms.h (Add_symbols): Remove the input_group member.
4315
4316 2010-03-10  Ian Lance Taylor  <iant@google.com>
4317
4318         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4319         target to ask whether a reference to a symbol requires a stack
4320         split.
4321         * target.h (Target::is_call_to_non_split): New function.
4322         (Target::do_is_call_to_non_split): Declare virtual function.
4323         * target.cc: Include "symtab.h".
4324         (Target::do_is_call_to_non_split): New function.
4325         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4326
4327 2010-03-10  Cary Coutant  <ccoutant@google.com>
4328
4329         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4330         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4331         (File_read::open[2]): Add whole_file_view_ to list of views.
4332         (File_read::make_view): Remove test of whole_file_view_.
4333         (File_read::find_or_make_view): Create whole_file_view_ if
4334         necessary.
4335         (File_read::clear_views): Replace bool parameter with enum;
4336         adjust all callers.  Don't delete views with permanent data;
4337         do delete cached views and views from archives if
4338         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4339         if clearing the corresponding view.
4340         * fileread.h (File_read::Clear_views_mode): New enum.
4341         (File_read::View::is_permanent_view): New method.
4342         (File_read::clear_views): Replace bool parameter
4343         with enum; adjust all callers.
4344         * options.h (General_options): Change keep_files_mapped option;
4345         add map_whole_files.
4346         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4347         releasing the file.
4348         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4349         the file.
4350
4351 2010-03-10  David S. Miller  <davem@davemloft.net>
4352
4353         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4354
4355 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4356
4357         * icf.cc (get_section_contents): Add '@' marker after processing the
4358         merge reloc.
4359
4360 2010-03-08  Doug Kwan  <dougkwan@google.com>
4361
4362         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4363         due to a conversion warning.
4364         (Arm_relobj::update_output_local_symbol_count): Check for local
4365         symbol with unset output index.
4366
4367 2010-03-05  Ian Lance Taylor  <iant@google.com>
4368
4369         * options.h (class General_options): Add --spare-dynamic-tags.
4370         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4371         --spare-dynamic-tags.
4372
4373 2010-03-05  Ian Lance Taylor  <iant@google.com>
4374
4375         * incremental.cc: Include "libiberty.h".
4376
4377 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4378
4379         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4380         function, is_info_ member.
4381         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4382         (Versions::Versions): Update caller.
4383         (Versions::define_base_version): Likewise.
4384         (Versions::add_def): Likewise.
4385
4386 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4387
4388         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4389         (Scan::possible_function_pointer_reloc): New function.
4390         (Scan::local_reloc_may_be_function_pointer): Change to call
4391         possible_function_pointer_reloc.
4392         (Scan::global_reloc_may_be_function_pointer): Ditto.
4393         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4394         relocations in ".data.rel.ro._ZTV" section.
4395         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4396         * testsuite/icf_safe_so_test.cc: Ditto.
4397         * testsuite/icf_safe_test.cc: Ditto.
4398         * testsuite/icf_safe_test.sh: Ditto.
4399
4400 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4401             Ian Lance Taylor  <iant@google.com>
4402
4403         * target-reloc.h (relocate_section): Check the symbol table index
4404         for -1U before setting the local symbol index.
4405         (scan_relocatable_relocs): If copying the relocation, record that
4406         the local symbol is required.
4407         * object.h (Symbol_value::is_output_symtab_index_set): New
4408         function.
4409         (Symbol_value::may_be_discarded_from_output_symtab): New
4410         function.
4411         (Symbol_value::has_output_symtab_entry): New function.
4412         (Symbol_value::needs_output_symtab_entry): Remove.
4413         (Symbol_value::output_symtab_index): Make sure the symbol index is
4414         set.
4415         (Symbol_value::set_output_symtab_index): Make sure the symbol
4416         index is not set.  Make sure the new index is valid.
4417         (Symbol_value::set_must_have_output_symtab_entry): New function.
4418         (Symbol_value::has_output_dynsym_entry): New function.
4419         (Symbol_value::set_output_dynsym_index): Make sure the new index
4420         is valid.
4421         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4422         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4423         local symbol if permitted.
4424         (Sized_relobj::do_finalize_local_symbols): Call
4425         is_output_symtab_index_set rather than needs_output_symtab_entry.
4426         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4427         rather than needs_output_symtab_entry.  Call
4428         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4429         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4430         is_output_symtab_index_set rather than needs_output_symtab_entry.
4431         * testsuite/discard_locals_relocatable_test.c: New file.
4432         * testsuite/discard_locals_test.sh: Test -r.
4433         * testsuite/Makefile.am (check_DATA): Add
4434         discard_locals_relocatable_test1.syms,
4435         discard_local_relocatable_test2.syms.
4436         (MOSTLYCLEANFILES): Likewise.  Also add
4437         discard_locals_relocatable_test1.lout and
4438         discard_locals_relocatable_test2.out.
4439         (discard_locals_relocatable_test1.syms): New target.
4440         (discard_locals_relocatable_test.o): New target.
4441         (discard_locals_relocatable_test1.out): New target.
4442         (discard_locals_relocatable_test2.syms): New target.
4443         (discard_locals_relocatable_test2.out): New target.
4444         (various): Add missing ../ld-new dependencies.
4445         * testsuite/Makefile.in: Rebuild.
4446
4447 2010-03-03  Nick Clifton  <nickc@redhat.com>
4448
4449         * po/fi.po: New Finnish translation.
4450
4451 2010-03-01  Doug Kwan  <dougkwan@google.com>
4452
4453         * layout.cc (Layout::Layout): Force section types of .init_array*,
4454         .preinit_array* and .fini_array* sections.
4455         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4456         Fix check of return value of std::string::find.().
4457         (Output_section::Input_section_sort_compare::operator()): Remove
4458         comment about .init_array.
4459         (Output_section::Input_section_sort_init_fini_compare::operator()):
4460         New method.
4461         (Output_section::sort_attached_input_sections): Handle .init_array
4462         and .fini_array specially.
4463         * output.h (Output_section::Inut_section_sort_compare): Update
4464         comment.
4465         (Output_section::Input_section_sort_init_fini_compare): New struct.
4466
4467 2010-02-26  Doug Kwan  <dougkwan@google.com>
4468
4469         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4470         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4471         * testsuite/debug_msg.sh: Avoid matching source line number for
4472         use of global variable undef_int.
4473
4474 2010-02-26  Doug Kwan  <dougkwan@google.com>
4475
4476         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4477         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4478         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4479         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4480         * options.cc (General_options::General_options): Initialize member
4481         fix_v4bx_.
4482         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4483         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4484         and rm_no_fix_v4bx.stdout
4485         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4486         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4487         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4488         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4489         and arm_no_fix_v4bx.
4490         * Makefile.in: Regenerate.
4491         * testsuite/arm_fix_v4bx.s: New file.
4492         * testsuite/arm_fix_v4bx.sh: Ditto.
4493
4494 2010-02-24  Doug Kwan  <dougkwan@google.com>
4495
4496         * arm.cc (Target_arm::got_section): Make the .got section the first
4497         non RELRO section in the data segment.
4498         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4499         suffixes of section names.
4500
4501 2010-02-24  Doug Kwan  <dougkwan@google.com>
4502
4503         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4504         flags and attributes merging if an input file is a binary file.
4505         * fileread.cc (Input_file::open): Record format of original file.
4506         * fileread.h (Input_file::Format): New enum type.
4507         (Input_file::Input_file): Initialize data member format_.
4508         (Input_file::format): New method definition.
4509         (Input_file::format_):: New data member.
4510
4511 2010-02-24  Doug Kwan  <dougkwan@google.com>
4512
4513         * arm.cc (Arm_output_data_got): New class.
4514         (ARM_TCB_SIZE): New constant
4515         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4516         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4517         If user uses a script with a SECTIONS clause, issue only a warning
4518         for a misplaced EXIDX input section.  Otherwise, issue an error.
4519         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4520         garbage collection.
4521         (Target_arm::got_mode_index_entry): Handle static linking.
4522         (Target_arm::Scan::local): Ditto.
4523         (Target_arm::Scan::global): Ditto.
4524         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4525         all incorrectly implemented relocations.
4526         (Target_arm::fix_exidx_coverage): Pass layout to
4527         Arm_output_section::fix_exidx_coverage.
4528         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4529         from ".ARM.exidx." and ".ARM.extab.".
4530
4531 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4532
4533         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4534         section if it does not already exist.
4535         * attributes.cc (Attributes_section_data::Attributes_section_data):
4536         Don't crash if size is zero.
4537
4538 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4539             Ian Lance Taylor  <iant@google.com>
4540
4541         * gold.cc (queue_middle_tasks): If no input files were opened,
4542         exit.
4543         * workqueue.h (Task_function::Task_function): Assert that there is
4544         a blocker.
4545
4546 2010-02-22  Doug Kwan  <dougkwan@google.com>
4547
4548         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4549         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4550         types to avoid warnings due to different uint64_t implementations
4551         on different hosts.
4552
4553 2010-02-21  Doug Kwan  <dougkwan@google.com>
4554
4555         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4556         handling of the maximum backward branch offset.
4557         (Arm_relocate_functions::thumb_branch_common): Ditto.
4558         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4559         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4560         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4561         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4562         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4563         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4564         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4565         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4566         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4567         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4568         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4569         thumb2_bl_out_of_range.o): New rules.
4570         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4571         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4572         thumb2_bl_out_of_range
4573         * testsuite/Makefile.in: Regenerate.
4574         * testsuite/arm_bl_in_range.s: New file.
4575         * testsuite/arm_bl_out_of_range.s: Ditto.
4576         * testsuite/arm_branch_in_range.sh: Ditto.
4577         * testsuite/arm_branch_range.t: Ditto.
4578         * testsuite/thumb2_branch_range.t: Ditto.
4579         * testsuite/thumb_bl_in_range.s: Ditto.
4580         * testsuite/thumb_bl_out_of_range.s: Ditto.
4581         * testsuite/thumb_branch_range.t: Ditto.
4582
4583 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4584
4585         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4586         Add reloc offset information.
4587         * icf.cc (get_section_contents): Change iterators to point to the new
4588         vectors. Add reloc offset information to the contents.
4589         * icf.h (Icf::Sections_reachable_info): New typedef.
4590         (Icf::Sections_reachable_list): New typedef.
4591         (Icf::Offset_info): New typedef.
4592         (Icf::Reloc_info): New struct typedef.
4593         (Icf::Reloc_info_list): New typedef.
4594         (Icf::symbol_reloc_list): Delete method.
4595         (Icf::addend_reloc_list): Delete method.
4596         (Icf::section_reloc_list): Delete method.
4597         (Icf::reloc_info_list): New method.
4598         (Icf::reloc_info_list_): New member.
4599
4600 2010-02-19  Doug Kwan  <dougkwan@google.com>
4601
4602         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4603         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4604         * arm.cc (Arm_relocation_functions): New forward declaration.
4605         (Target_arm::Target_arm): Initialize new data members
4606         got_mod_index_offset_ and tls_base_symbol_defined_.
4607         (Target_arm::Relocate::relocate_tls): New method.
4608         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4609          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4610         New methods.
4611         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4612         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4613         (Target_arm::got_mod_index_offset_,
4614         Target_arm::tls_base_symbol_defined_): New data members.
4615         (Target_arm::Scan::local, Target::Scan::global,
4616         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4617         relocations.
4618
4619 2010-02-18  Doug Kwan  <dougkwan@google.com>
4620
4621         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4622         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4623         text section as a parameter becuase some broken tools may not set
4624         the link in section header.
4625         (Target_arm::has_got_section): New method.
4626         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4627         without any mapping symbol as data only.  Remove warning.
4628         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4629         link in its section header, try to discover the link by inspecting the
4630         REL31 relocation at the beginning of the section.
4631         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4632         in error message.
4633         (Target_arm::Scan::global): Treat any reference to the symbol
4634         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4635
4636 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4637
4638         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4639         (Scan::global_reloc_may_be_function_pointer): New function.
4640         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4641         (Scan::global_reloc_may_be_function_pointer): New function.
4642         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4643         (Scan::global_reloc_may_be_function_pointer): New function.
4644         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4645         (Scan::global_reloc_may_be_function_pointer): New function.
4646         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4647         (Scan::global_reloc_may_be_function_pointer): New function.
4648         (Scan::possible_function_pointer_reloc): New function.
4649         (Target_x86_64::can_check_for_function_pointers): New function.
4650         * gc.h (gc_process_relocs): Scan relocation types to determine if
4651         function pointers were taken for targets that support it.
4652         * icf.cc (Icf::find_identical_sections): Include functions for
4653         folding in safe ICF whose pointer is not taken.
4654         * icf.h (Secn_fptr_taken_set): New typedef.
4655         (fptr_section_id_): New member.
4656         (section_has_function_pointers): New function.
4657         (set_section_has_function_pointers): New function.
4658         (check_section_for_function_pointers): New function.
4659         * options.h: Fix comment for safe ICF option.
4660         * target.h (can_check_for_function_pointers): New function.
4661         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4662         Modify icf_safe_test for X86-64.
4663         * testsuite/Makefile.in: Regenerate.
4664         * testsuite/icf_safe_so_test.cc: New file.
4665         * testsuite/icf_safe_so_test.sh: New file.
4666         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4667         (main): Change to take pointer to function kept_func_3.
4668         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4669         folding is done correctly for X86-64.
4670
4671 2010-02-12  David S. Miller  <davem@davemloft.net>
4672
4673         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4674         is_symbolless parameter.
4675         (Output_reloc<SHT_REL>::is_symbolless): New.
4676         (Output_reloc<SHT_REL>::is_symbolless_): New.
4677         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4678         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4679         (Output_reloc<SHT_RELA>::is_symbolless): New.
4680         (Output_data_reloc::add_global): Handle is_symbolless.
4681         (Output_data_reloc::add_global_relative): Likewise.
4682         (Output_data_reloc::add_local): Likewise.
4683         (Output_data_reloc::add_local_relative): Likewise.
4684         (Output_data_reloc::add_symbolless_global_addend): New.
4685         (Output_data_reloc::add_symbolless_local_addend): New.
4686         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4687         is_symbolless.
4688         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4689         instead of ->is_relative_
4690         (Output_reloc::write): Likewise.
4691         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4692         (Output_reloc::write_rel): Simplify.
4693
4694         * sparc.cc (Target_sparc::Scan::local): Use
4695         ->add_symbolless_local_addend as needed.
4696         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4697         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4698         based upon relocation offset.
4699
4700 2010-02-11  Doug Kwan  <dougkwan@google.com>
4701
4702         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4703         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4704         beginning of function.
4705         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4706         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4707         parameter is_32bit in calls to should_apply_static_reloc.
4708         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4709         (check_DATA): Add arm_abs_global.stdout.
4710         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4711         arm_abs_global.stdout): New rules.
4712         (MOSTLLYCLEANFILES): Add arm_abs_global
4713         * Makefile.in: Regenerate.
4714         * testsuite/arm_abs_global.s: New file.
4715         * testsuite/arm_abs_global.sh: Ditto.
4716         * testsuite/arm_abs_lib.s: Ditto.
4717
4718 2010-02-11  Ian Lance Taylor  <iant@google.com>
4719
4720         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4721         Read_relocs task.
4722         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4723         Allocate_commons_task first.
4724         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4725         task, rather than symtab_lock_.
4726         (Gc_process_relocs::~Gc_process_relocs): New function.
4727         (Gc_process_relocs::is_runnable): Check this_blocker_.
4728         (Gc_process_relocs::locks): Use next_blocker_ rather than
4729         blocker_.
4730         (Scan_relocs::~Scan_relocs): New function.
4731         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4732         symtab_lock_.
4733         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4734         next_blocker_.
4735         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4736         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4737         constructor accordingly.
4738         (class Gc_process_relocs): Likewise.
4739         (class Scan_relocs): Likewise.
4740         * common.h (class Allocate_commons_task): Remove symtab_lock_
4741         field, and corresponding constructor parameter.
4742         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4743         symtab_lock_.
4744         (Allocate_commons_task::locks): Likewise.
4745
4746 2010-02-11  Ian Lance Taylor  <iant@google.com>
4747
4748         * gold-threads.h (class Once): Define.
4749         (class Initialize_lock): Rewrite as child of Once.
4750         * gold-threads.cc (class Once_initialize): Define.
4751         (once_pointer_control): New static variable.
4752         (once_pointer, once_arg): New static variables.
4753         (c_run_once): New static function.
4754         (Once::Once, Once::run_once, Once::internal_run): New functions.
4755         (class Initialize_lock_once): Remove.
4756         (initialize_lock_control): Remove.
4757         (initialize_lock_pointer): Remove.
4758         (initialize_lock_once): Remove.
4759         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4760         (Initialize_lock::initialize): Rewrite.
4761         (Initialize_lock::do_run_once): New function.
4762         * archive.cc (Archive::interpret_header): Only clear name if it is
4763         not already empty.
4764         * fileread.cc: Include "gold-threads.h"
4765         (file_counts_lock): New static variable.
4766         (file_counts_initialize_lock): Likewise.
4767         (File_read::release): Only increment counts when using --stats.
4768         Use a lock around the increment.
4769         * parameters.cc (class Set_parameters_target_once): Define.
4770         (set_parameters_target_once): New static variable.
4771         (Parameters::Parameters): Move here from parameters.h.
4772         (Parameters::set_target): Rewrite.
4773         (Parameters::set_target_once): New function.
4774         (Parameters::clear_target): Move here and rewrite.
4775         * parameters.h (class Parameters): Update declarations.  Add
4776         set_parameters_target_once_ field.
4777         (Parameters::Parameters): Move to parameters.cc.
4778         (Parameters::clear_target): Likewise.
4779         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4780         task.
4781         (Start_group::~Start_group): New function.
4782         (Start_group::is_runnable): New function.
4783         (Start_group::locks, Start_group::run): New functions.
4784         (Finish_group::run): Change saw_undefined to size_t.
4785         * readsyms.h (class Start_group): Define.
4786         (class Finish_group): Change saw_undefined_ field to size_t.
4787         (Finish_group::Finish_group): Remove saw_undefined and
4788         this_blocker parameters.  Change all callers.
4789         (Finish_group::set_saw_undefined): New function.
4790         (Finish_group::set_blocker): New function.
4791         * symtab.h (class Symbol_table): Change saw_undefined to return
4792         size_t.  Change saw_undefined_ field to size_t.
4793         * target-select.cc (Set_target_once::do_run_once): New function.
4794         (Target_selector::Target_selector): Initialize set_target_once_
4795         field.  Don't initialize lock_ and initialize_lock_ fields.
4796         (Target_selector::instantiate_target): Rewrite.
4797         (Target_selector::set_target): New function.
4798         * target-select.h (class Set_target_once): Define.
4799         (class Target_selector): Update declarations.  Make
4800         Set_target_once a friend.  Remove lock_ and initialize_lock_
4801         fields.  Add set_target_once_ field.
4802
4803 2010-02-10  Ian Lance Taylor  <iant@google.com>
4804
4805         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4806         queueing any tasks.
4807         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4808         (queue_middle_tasks): Add all blockers before queueing any tasks.
4809         (queue_final_tasks): Likewise.
4810         * token.h (Task_token::add_blockers): New function.
4811         * object.h (Input_objects::number_of_relobjs): New function.
4812
4813 2010-02-10  Ian Lance Taylor  <iant@google.com>
4814
4815         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4816         shared, not if not position independent.
4817         * x86_64.cc (Relocate::relocate_tls): Likewise.
4818         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4819         (tls_pie_pic_test): New target.
4820         * testsuite/Makefile.in: Rebuild.
4821
4822         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4823         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4824         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4825         * testsuite/Makefile.in: Rebuild.
4826
4827 2010-02-09  David S. Miller  <davem@davemloft.net>
4828
4829         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4830         R_SPARC_RELATIVE using ->add_local_relative().
4831         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4832
4833         * output.h (Output_data_dynamic::add_section_size): New method
4834         that takes two Output_data objects.
4835         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4836         entry param.  Handle it in initializers.
4837         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4838         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4839         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4840         arg.
4841         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4842         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4843         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4844         for dynrel_includes_plt.
4845         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4846         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4847         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4848         before .rela.plt
4849         (Target_sparc::do_finalize_sections): Update to pass true for
4850         dynrel_includes_plt.
4851         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4852         output before .rela.plt
4853         (Target_powerpc::do_finalize_sections): Update to pass true for
4854         dynrel_includes_plt when 32-bit.
4855
4856 2010-02-08  Doug Kwan  <dougkwan@google.com>
4857
4858         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4859         method.
4860         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4861         Arm_relobj::scan_section_for_cortex_a8_stubs,
4862         Arm_relobj::do_relocation_section): Instead of calling
4863         Output_section::output_address, use faster
4864         Arm_relobj::simple_input_section_output_address.
4865
4866 2010-02-08  David S. Miller  <davem@davemloft.net>
4867
4868         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4869         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4870         relocation helper function.
4871
4872         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4873         just like R_SPARC_GOT{10,13,22}.
4874         (Target_sparc::Scan::local): Likewise.
4875         (Target_sparc::Relocate:relocate): Likewise.
4876
4877 2010-02-06  Ian Lance Taylor  <iant@google.com>
4878
4879         * configure.ac: Rewrite targetobjs duplicate removal code to use
4880         only shell constructs.
4881         * configure: Rebuild.
4882
4883 2010-02-05  Doug Kwan  <dougkwan@google.com>
4884
4885         PR 11247
4886         * arm.cc (Arm_relobj::section_is_scannable): New method.
4887         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4888         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4889
4890 2010-02-04  Doug Kwan  <dougkwan@google.com>
4891
4892         PR 11247
4893         * arm-reloc-property.cc (cstdio): Include.
4894         * configure.ac (targetobjs): Remove duplicates.
4895         * configure: Regenerate.
4896         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4897         big and little endian version for a given address size.
4898
4899 2010-02-03  Doug Kwan  <dougkwan@google.com>
4900
4901         * arm-reloc-property.cc
4902         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4903         definition.
4904         * arm-reloc-property.h
4905         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4906         New method definition.
4907         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4908         declaration.
4909         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4910         overflow to N.
4911         (GOT_PREL): Change implemented to Y.
4912         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4913         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4914         (Arm_relocate_functions::movw_abs_nc): Remove method.
4915         (Arm_relocate_functions::movt_abs): Ditto.
4916         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4917         (Arm_relocate_functions::thm_movt_abs): Ditto.
4918         (Arm_relocate_functions::movw_rel_nc): Ditto.
4919         (Arm_relocate_functions::movw_rel): Ditto.
4920         (Arm_relocate_functions::movt_rel): Ditto.
4921         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4922         (Arm_relocate_functions:thm_movw_rel): Ditto.
4923         (Arm_relocate_functions:thm_movt_rel): Ditto.
4924         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4925         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4926         New method definitions.
4927         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4928         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4929         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4930         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4931         (Target_arm::Relocate::relocate): Check for non-static or
4932         unimplemented relocation code and exit early.  Change calls to
4933         Target_arm::reloc_uses_thumb_bit and
4934         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4935         instead.  Refactor code to handle similar relocations to increase
4936         code sharing.  Remove check for unsupported relocation code in switch
4937         statement.
4938         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4939         relocation property table to find out size.  Change error message to
4940         print out the name of a relocation code instead of the numeric value.
4941         (Target_arm::scan_reloc_for_stub): Use relocation property table
4942         instead of calling Target_arm::reloc_uses_thumb_bit().
4943
4944 2010-02-02  Doug Kwan  <dougkwan@google.com>
4945
4946         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4947         types of relaxed input section.
4948
4949 2010-02-02  Doug Kwan  <dougkwan@google.com>
4950
4951         * Makefile.am (HFILES): Add arm-reloc-property.h.
4952         (DEFFILES): New.
4953         (TARGETSOURCES): Add arm-reloc-property.cc
4954         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4955         (libgold_a_SOURCES): $(DEFFILES)
4956         * Makefile.in: Regenerate.
4957         * arm-reloc-property.cc: New file.
4958         * arm-reloc-property.h: New file.
4959         * arm-reloc.def: New file.
4960         * arm.cc: Update comments.
4961         (arm-reloc-property.h): New included header.
4962         (arm_reloc_property_table): New global variable.
4963         (Target_arm::do_select_as_default_target): New method definition.
4964         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4965         arm-reloc-property to targ_extra_obj.
4966         * parameters.cc (set_parameters_target): Call
4967         Target::select_as_default_target().
4968         * target.h (Target::select_as_default_target): New method definition.
4969         (Target::do_select_as_default_target): Same.
4970
4971 2010-02-01  Doug Kwan  <dougkwan@google.com>
4972
4973         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4974         first_output_text_section_.
4975         (Arm_exidx_fixup::first_output_text_section): New method definition.
4976         (Arm_exidx_fixup::first_output_text_section_): New data member.
4977         (Arm_exidx_fixup::process_exidx_section): Record the first text
4978         output section seen.
4979         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4980         and entsize in output section header.
4981
4982 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4983
4984         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4985         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4986         (Arm_relocate_functions::thm_alu11): New Method.
4987         (Arm_relocate_functions::thm_pc8): New Method.
4988         (Arm_relocate_functions::thm_pc12): New Method.
4989         (Target_arm::Scan::local): Handle the relocations.
4990         (Target_arm::Scan::global): Likewise.
4991         (Target_arm::Relocate::relocate): Likewise.
4992         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4993
4994 2010-01-29  Doug Kwan  <dougkwan@google.com>
4995
4996         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4997         of relocation types as ld.
4998
4999 2010-01-29  Doug Kwan  <dougkwan@google.com>
5000
5001         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5002         to public.
5003         (Arm_relocate_functions::thumb_branch_common): Ditto.
5004         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5005         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5006         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5007         Arm_relocate_functions::jump24): Remove.
5008         (Target_arm::Relocate::relocate): Adjust code to call
5009         Arm_relocation_functions::arm_branch_common and
5010         Arm_relocation_functions::thumb_branch_common instead of their removed
5011         wrappers.  Merge switch-cases together to reduce source code size.
5012
5013 2010-01-29  Doug Kwan  <dougkwan@google.com>
5014
5015         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5016         output_local_symbol_count_needs_update_.
5017         (Arm_relobj::output_local_symbol_count_needs_update,
5018          Arm_relobj::set_output_local_symbol_count_needs_update,
5019          Arm_relobj::update_output_local_symbol_count): New methods.
5020         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5021         member.
5022         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5023         of pointed function as in a R_ARM_PREL31 relocation.
5024         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5025         for output local symbol count updating.
5026         (Target_arm::do_relax): Update output local symbol counts in objects
5027         if necessary.
5028         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5029
5030 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5031
5032         * arm.cc: Added support for the ARM relocations:
5033         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5034         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5035         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5036         movw_prel_nc).
5037         (Arm_relocate_functions::movw_rel): New method.
5038         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5039         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5040         thm_movw_prel_nc).
5041         (Arm_relocate_functions::thm_movw_rel): New method.
5042         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5043         thm_movt_prel).
5044         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5045         relocations.
5046         (Target_arm::Scan::global): Likewise.
5047         (Target_arm::Relocate::relocate): Likewise.
5048         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5049         Likewise.
5050
5051 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5052
5053         * arm.cc: Added support for ARM group relocations.
5054         (Target_arm::reloc_needs_sym_origin): New method.
5055         (Arm_relocate_functions::calc_grp_kn): New method.
5056         (Arm_relocate_functions::calc_grp_residual): New method.
5057         (Arm_relocate_functions::calc_grp_gn): New method.
5058         (Arm_relocate_functions::arm_grp_alu): New Method.
5059         (Arm_relocate_functions::arm_grp_ldr): New Method.
5060         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5061         (Arm_relocate_functions::arm_grp_ldc): New Method.
5062         (Target_arm::Scan::local): Handle the ARM group relocations.
5063         (Target_arm::Scan::global): Likewise.
5064         (Target_arm::Relocate::relocate): Likewise.
5065         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5066         Likewise.
5067
5068 2010-01-26  Doug Kwan  <dougkwan@google.com>
5069
5070         * arm.cc (set): Include.
5071         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5072         pointer type.
5073         (Arm_output_section::Text_section_list): New type.
5074         (Arm_output_section::append_text_sections_to_list): New method.
5075         (Arm_output_section::fix_exidx_coverage): Ditto.
5076         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5077         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5078         Relobj::set_section_offset() instead of
5079         Sized_relobj::invalidate_section_offset().
5080         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5081         parameter for section headers. Ignore relocation sections for
5082         unallocated sections and EXIDX sections.
5083         (Target_arm::fix_exidx_coverage): New method.
5084         (Target_arm::output_section_address_less_than): New type.
5085         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5086         linked text section instead of the EXIDX section.
5087         (Arm_output_section::create_stub_group): Add an assertion to check
5088         that this is not an EXIDX output section.
5089         (Arm_output_section::append_text_sections_to_list): New method.
5090         (Arm_output_section::fix_exidx_coverage): Ditto.
5091         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5092         Arm_relobj::section_needs_reloc_stub_scanning.
5093         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5094         first pass.
5095         (Target_arm::fix_exidx_coverage): New method.
5096         * object.h (Relobj::set_output_section): New method.
5097         (Sized_relobj::invalidate_section_offset): Remove method.
5098         (Sized_relobj::do_invalidate_section_offset): Remove method.
5099         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5100
5101 2010-01-25  Doug Kwan  <dougkwan@google.com>
5102
5103         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5104         Fix warning due to signed and unsigned comparison on a 32-bit host.
5105
5106 2010-01-22  Doug Kwan  <dougkwan@google.com>
5107
5108         * arm.cc (Target_arm::do_relax): Record an output section for section
5109         offset adjustment it contains any stub table that has changed.
5110         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5111         offsets in an output section if necessary.
5112         * output.cc (Output_section::Output_section): Initialize
5113         section_offsets_need_adjustments_.
5114         (Output_section::add_input_section_for_script): Renamed to
5115         Output_section::add_simple_input_section.
5116         (Output_section::save_states): Add a comment.
5117         (Output_section::discard_states): New method defintion.
5118         (Output_section::adjust_section_offsets): Same.
5119         * output.h (Output_section::add_input_section_for_script): Renamed to
5120         Output_section::add_simple_input_section.
5121         (Output_section::discard_states): New method declaration.
5122         (Output_section::adjust_section_offsets): Same.
5123         (Output_section::section_offsets_need_adjustment,
5124         Output_section::set_section_offsets_need_adjustment): New method
5125         definitions.
5126         (Output_section::section_offsets_need_adjustment_): New data member.
5127         * script-sections.cc
5128         (Output_section_element_input::set_section_address): Adjust code for
5129         renaming of Output_section::add_input_section_for_script.
5130         (Orphan_output_section::set_section_address): Same.
5131
5132 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5133
5134         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5135         Fix_v4bx enum values .
5136         * gold/options.h (General_options): New option definitions.
5137         (General_options::fix_v4bx): New method.
5138         (General_options::Fix_v4bx): New enum.
5139         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5140         (General_options::parse_fix_v4bx_interworking): New method.
5141
5142 2010-01-22  Doug Kwan  <dougkwan@google.com>
5143
5144         * arm.cc (Arm_exidx_fixup): New class.
5145
5146 2010-01-21  Doug Kwan  <dougkwan@google.com>
5147
5148         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5149         classes.
5150         (Arm_exidx_section_offset_map): New type.
5151
5152 2010-01-21  Doug Kwan  <dougkwan@google.com>
5153
5154         * arm.cc (Arm_exidx_input_section): New class.
5155         (Arm_relobj::exidx_input_section_by_link,
5156         Arm_relobj::exidx_input_section_by_shndx,
5157         Arm_relobj::make_exidx_input_section): New methods.
5158         (read_arm_attributes_section): Remove.
5159         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5160         information about them.
5161         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5162         to here.
5163
5164 2010-01-20  Doug Kwan  <dougkwan@google.com>
5165
5166         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5167         Input_section_specifier to Section_id.
5168         (Target_arm::new_arm_input_section: Adjust code for change of key
5169         type.
5170         (Target_arm::find_arm_input_section): Ditto.
5171         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5172         (Section_id): Remove.
5173         (Garbage_collection::Section_id_hash): Remove.
5174         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5175         (Section_id): Remove.
5176         (Icf::Section_id_hash): Remove.
5177         * object.h (Section_id, Const_section_id, Section_id_hash,
5178         Const_section_id_hash): New type definitions.
5179         * output.cc (Output_section::add_relaxed_input_section): Change to
5180         use Const_section_id instead of Input_section_specifier as key type.
5181         (Output_section::add_merge_input_section): Ditto.
5182         (Output_section::build_relaxation_map): Change to use Section_id
5183         instead of Input_section_specifier as key type.
5184         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5185         Ditto.
5186         (Output_section::convert_input_sections_to_relaxed_sections): Change
5187         to use Const_section_id instead of Input_section_specifier as key type.
5188         (Output_section::find_merge_section): Ditto.
5189         (Output_section::find_relaxed_input_section): Ditto.
5190         * output.h (Input_section_specifier): Remove class.
5191         (Output_section::Output_section_data_by_input_section_map): Change
5192         key type to Const_section_id.
5193         (Output_section::Output_relaxed_input_section_by_input_section_map):
5194         Ditto.
5195         (Output_section::Relaxation_map): Change key type to Section_id.
5196
5197 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5198
5199         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5200         (class Arm_v4bx_stub): New class.
5201         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5202         (Stub_factory::make_arm_v4bx_stub): New method.
5203         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5204         (Stub_table::empty): Handle v4bx stubs.
5205         (Stub_table::add_arm_v4bx_stub): New method.
5206         (Stub_table::find_arm_v4bx_stub): New method.
5207         (Arm_relocate_functions::v4bx): New method.
5208         (Target_arm::fix_v4bx): New method.
5209         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5210         (Stub_table::relocate_stubs): Likewise.
5211         (Stub_table::do_write): Likewise.
5212         (Stub_table::update_data_size_and_addralign): Likewise.
5213         (Stub_table::finalize_stubs):  Likewise.
5214         (Target_arm::Scan::local): Likewise.
5215         (Target_arm::Scan::global): Likewise.
5216         (Target_arm::do_finalize_sections): Likewise.
5217         (Target_arm::Relocate::relocate): Likewise.
5218         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5219         Likewise.
5220         (Target_arm::scan_reloc_for_stub): Likewise.
5221         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5222
5223 2010-01-19  Ian Lance Taylor  <iant@google.com>
5224
5225         * output.cc (Output_section_headers::do_sized_write): Write large
5226         segment count to sh_info field.
5227         (Output_file_header::do_sized_write): For large segment count,
5228         write PN_XNUM to e_phnum field.
5229
5230 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5231
5232         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5233         (Arm_relocate_functions::thm_jump8): New function.
5234         (Arm_relocate_functions::thm_jump11): New function.
5235         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5236         R_ARM_THM_JUMP11.
5237         (Target_arm::Scan::global): Likewise.
5238         (Target_arm::Relocate::relocate): Likewise.
5239         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5240         Likewise.
5241
5242 2010-01-14  Doug Kwan  <dougkwan@google.com>
5243
5244         * arm.cc (map, utility): Include headers.
5245         (Target_arm::apply_cortex_a8_workaround): New method.
5246         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5247         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5248         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5249         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5250         the --[no-]fix-cortex-a8 command line options.
5251         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5252         (Target_arm::relocate_stub): Use addend in instruction template.
5253         * options.h (DEFINE_bool): Set the user-set flag.
5254         (General_options): Add --[no-]-fix-cortex options.
5255         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5256         : Update fast look-up map after conversion.
5257
5258 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5259
5260         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5261         in the first pass of do_layout.
5262
5263 2010-01-13  Doug Kwan  <dougkwan@google.com>
5264
5265         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5266         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5267         apparent compiler problem of not folding static constant integral
5268         data members of elfcpp::Elf_sizes<32>.
5269
5270 2010-01-13  Doug Kwan  <dougkwan@google.com>
5271
5272         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5273         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5274         Arm_relobj::scan_section_for_cortex_a8_erratum,
5275         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5276         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5277         sections to scan for relocation stubs into a new method
5278         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5279         relocation and Cortex-A8 stub scanning.
5280         (Target_arm::do_relax): Force stubs to be after stubbed sections
5281         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5282         the beginning of a new relaxation pass.  Update a comment.
5283         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5284
5285 2010-01-12  Ian Lance Taylor  <iant@google.com>
5286
5287         * target-reloc.h (visibility_error): New inline function.
5288         (relocate_section): Call visibility_error.
5289         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5290         (MOSTLYCLEANFILES): Likewise.
5291         (protected_4_pic.o, protected_3.err): New targets.
5292         * testsuite/protected_4.cc: New file.
5293
5294 2010-01-12  Doug Kwan  <dougkwan@google.com>
5295
5296         * arm.cc (Cortex_a8_reloc): New class.
5297         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5298         and cortex_a8_relocs_info_.
5299         (Target_arm::fix_cortex_a8): New method definition.
5300         (Target_arm::Cortex_a8_relocs_info): New type.
5301         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5302         New data member declarations.
5303         (Target_arm::scan_reloc_for_stub): Record information about
5304         relocations for THUMB branches that might be exempted from the
5305         Cortex-A8 workaround.
5306         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5307         at the beginning of a relaxation pass.
5308
5309 2010-01-12  Doug Kwan  <dougkwan@google.com>
5310
5311         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5312         (Arm_relobj::Mapping_symbol_position,
5313          Arm_reloj::Mapping_symbol_position_less,
5314          Arm_relobj::Mapping_symbols_info): New types.
5315         (Target_arm::is_mapping_symbol_name): New method definition.
5316         (Arm_relobj::do_count_local_symbols): Save information about mapping
5317         symbols.
5318
5319 2010-01-11  Doug Kwan  <dougkwan@google.com>
5320
5321         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5322         Arm_relocate_functions::thumb32_branch_upper,
5323         Arm_relocate_functions::thumb32_branch_lower,
5324         Arm_relocate_functions::thumb32_cond_branch_offset,
5325         Arm_relocate_functions::thumb32_cond_branch_upper,
5326         Arm_relocate_functions::thumb32_cond_branch_lower,
5327         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5328         branch offset encoding.
5329         (Arm_relocate_functions::thumb_branch_common): Use new branch
5330         offset encoding methods to avoid code duplication.
5331         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5332         (Stub_addend_reader::operator()): Use new branch encoding method
5333         to avoid code duplication.
5334
5335 2010-01-11  Doug Kwan  <dougkwan@google.com>
5336
5337         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5338         (Target_arm::do_finalize_sections): Define special EXIDX section
5339         symbols only if referenced.
5340         * gc.h (Garbage_collection::add_reference): New method.
5341         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5342         code duplication.
5343
5344 2010-01-11  Ian Lance Taylor  <iant@google.com>
5345
5346         * script.cc (Version_script_info::build_expression_list_lookup):
5347         Change complaing about duplicate wildcard match from error to
5348         warning.
5349
5350         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5351         of 2009-12-30.
5352         (Version_script_info::Version_script_info): Initialize globs_,
5353         default_version_, default_is_global_, and exact_.  Don't
5354         initialize globals_ or locals_.
5355         (Version_script_info::build_lookup_tables): Build local symbols
5356         first.
5357         (Version_script_info::unquote): New function.
5358         (Version_script_info::add_exact_match): New function.
5359         (Version_script_info::build_expression_list_lookup): Remove lookup
5360         parameter.  Add is_global parameter.  Change all callers.  Handle
5361         wildcard pattern specially.  Unquote pattern.  Call
5362         add_exact_match.
5363         (Version_script_info::get_name_to_match): New function.
5364         (Version_script_info::get_symbol_version): New function.
5365         (Version_script_info::get_symbol_version_helper): Remove.
5366         (Version_script_info::check_unmatched_names): Call unquote.
5367         * script.h (class Version_script_info): Change get_symbol_version
5368         to be non-inline and add is_global parameter; change all callers.
5369         Rewrite symbol_is_local.  Update declarations.  Define struct
5370         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5371         Remove globals_ and locals_ members.  Add exact_, globs_,
5372         default_version_, is_global_.
5373         (Version_script_info::Glob): Remove pattern, add expression and
5374         is_global.  Update constructor.  Change all callers.
5375         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5376         default version.
5377         (Versions::symbol_section_contents): If a symbol is undefined, or
5378         defined in a dynamic object, set the version index to
5379         VER_NDX_LOCAL.
5380         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5381         symbol_is_local.
5382         (Symbol_table::add_from_pluginobj): Likewise.
5383         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5384
5385 2010-01-11  Doug Kwan  <dougkwan@google.com>
5386
5387         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5388         (incremental_dump_LDADD): Add linking option for libintl.
5389         * Makefile.in: Regenerate.
5390
5391 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5392
5393         PR gold/11144
5394         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5395         instead of -Ds.
5396         * testsuite/Makefile.in: Regenerated.
5397
5398 2010-01-10  Doug Kwan  <dougkwan@google.com>
5399
5400         * options.h (DEFINE_var): Use parentheses around argument varname__
5401         in macro body to avoid any unintended subsequent substitutions.
5402
5403 2010-01-10  Ian Lance Taylor  <iant@google.com>
5404
5405         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5406         candidates before doing symbol resolution.
5407
5408         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5409         ODR candidates if only one is weak.
5410
5411 2010-01-08  Ian Lance Taylor  <iant@google.com>
5412
5413         * script.cc (Version_script_info::build_expression_list_lookup):
5414         Don't warn about ambiguous version, just record the ambiguity.
5415         (Version_script_info::get_symbol_version_helper): Give error if
5416         version is ambiguous.
5417
5418 2010-01-08  Doug Kwan  <dougkwan@google.com>
5419
5420         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5421           prev_data_size_ and prev_addralign_.  Remove initializer for
5422           deleted data member has_been_changed_.
5423           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5424           to determine if the table is empty.
5425           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5426           Remove.
5427           (Stub_table::add_reloc_stub): Define method in class definition
5428           instead of just declaring it there.
5429           (Stub_table::add_cortex_a8_stub): New method definition.
5430           (Stub_table::update_data_size_and_addralign): Ditto.
5431           (Stub_table::finalize_stubs): Ditto.
5432           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5433           (Stub_table::do_addralign_): Return address alignment in the
5434           (Stub_table::do_reset_address_and_file_offset): Define method in
5435           class definition instead of declaring it there.  Set current data
5436           size to be the data size of the previous pass.
5437           (Stub_table::set_final_data_size): Use current data size as the
5438           final data size.
5439           (Stub_table::relocate_stub): Change parameter type of stub from
5440           Reloc_stub pointer to Stub pointer.
5441           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5442           (Stub_table::Cortex_a8_stub_list): New typedef.
5443           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5444            Stub_table::prev_addralign_): New data member.
5445           (Arm_relobj::Arm_relobj): Initialize data member
5446           section_has_cortex_a8_workaround_.
5447           (Arm_relobj::section_has_cortex_a8_workaround,
5448            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5449            definitions.
5450           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5451           declarations.
5452           (Target_arm::relocate_stub): Change parameter type of stub from
5453           Reloc_stub pointer to Stub pointer.
5454           (Insn_template::size, Insn_template::alignment): Handle
5455           THUMB16_SPECIAL_TYPE.
5456           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5457            Stub_table::update_data_size_and_addralign,
5458            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5459           definitions.
5460           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5461           (Stub_table::do_write): Ditto.
5462           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5463
5464 2010-01-08  Ian Lance Taylor  <iant@google.com>
5465
5466         PR 11108
5467         * symtab.h (class Symbol): Remove fields is_target_special_ and
5468         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5469         (Symbol::is_defined_in_discarded_section): New function.
5470         (Symbol::set_is_defined_in_discarded_section): New function.
5471         (Symbol::has_plt_offset): Rewrite.
5472         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5473         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5474         Don't initialize is_target_special_ or has_plt_offset_.
5475         Initialize is_defined_in_discarded_section_.
5476         (Symbol_table::add_from_relobj): If appropriate, set
5477         is_defined_in_discarded_section.
5478         * resolve.cc (Symbol::override_base_with_special): Don't test
5479         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5480         * target-reloc.h (relocate_section): Do special handling for
5481         symbols defined in discarded sections for global symbols as well
5482         as local symbols.
5483
5484 2010-01-08  Ian Lance Taylor  <iant@google.com>
5485
5486         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5487         the SHT_SYMTAB case.
5488
5489 2010-01-08  Ian Lance Taylor  <iant@google.com>
5490
5491         * object.cc (Sized_relobj::do_layout): Don't get confused if
5492         layout_eh_frame returns NULL.
5493
5494 2010-01-08  Ian Lance Taylor  <iant@google.com>
5495
5496         PR 11084
5497         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5498         dynamic symbol table, use the normal symbol table.
5499         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5500         symbol table.
5501
5502 2010-01-08  Ian Lance Taylor  <iant@google.com>
5503
5504         PR 11072
5505         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5506         sections.
5507
5508 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5509
5510         * version.cc (print_version): Change to "Copyright 2010".
5511
5512 2010-01-08  Ian Lance Taylor  <iant@google.com>
5513
5514         PR 10287
5515         PR 11063
5516         * i386.cc (class Target_i386): Change return type of plt_section
5517         to be non-const.
5518         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5519         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5520         tls_desc_rel_ field.
5521         (Output_data_plt_i386::rel_tls_desc): New function.
5522         (Target_i386::rel_tls_desc_section): New function.
5523         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5524         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5525         R_386_TLS_DESC reloc in rel_tls_desc_section.
5526         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5527         Define struct Tlsdesc_info.
5528         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5529         (Target_x86_64::do_reloc_symbol_index): New function.
5530         (Target_x86_64::add_tlsdesc_info): New function.
5531         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5532         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5533         tlsdesc_rel_ field.
5534         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5535         all callers.
5536         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5537         (Target_x86_64::rela_tlsdesc_section): New function.
5538         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5539         handling.
5540         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5541         (Target_x86_64::do_reloc_addend): New function.
5542         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5543         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5544         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5545         (Output_reloc::type): New function.
5546         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5547         (Output_reloc::is_target_specific): New function.
5548         (Output_reloc::target_arg): New function.
5549         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5550         absolute relocs and target specific relocs.
5551         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5552         add_target_specific.
5553         (class Output_data_reloc) [SHT_RELA]: Likewise.
5554         * output.cc (Output_reloc::Output_reloc): Add four new versions
5555         for absolute relocs and target specific relocs.
5556         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5557         (Output_reloc::get_symbol_index): Likewise.
5558         (Output_reloc::local_section_offset): Check that local_sym_index_
5559         is not TARGET_CODE or 0.
5560         (Output_reloc::symbol_value): Likewise.
5561         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5562         reloc.
5563         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5564         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5565         functions.
5566         * layout.cc (add_target_dynamic_tags): Use output section for
5567         DT_PLTRELSZ and DT_JMPREL.
5568
5569 2010-01-07  Ian Lance Taylor  <iant@google.com>
5570
5571         PR 11061
5572         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5573         function.
5574         (class Output_data_reloc_generic): Define.
5575         (class Output_data_reloc_base): Change base class to
5576         Output_data_reloc_generic.  Change add() method to call
5577         bump_relative_reloc_count for a relative reloc.  Remove
5578         sort_relocs_ field.
5579         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5580         to sort_relocs().
5581         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5582         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5583         appropriate.
5584         * layout.h (class Layout): Update declaration.
5585
5586 2010-01-07  Ian Lance Taylor  <iant@google.com>
5587
5588         * output.h (class Output_data): Add const version of
5589         output_section and do_output_section.
5590         (class Output_section_data): Add const version of
5591         do_output_section.
5592         (class Output_section): Likewise.
5593         * layout.cc (Layout::add_target_dynamic_tags): New function.
5594         * layout.h (class Layout): Update declarations.
5595         * arm.cc (Target_arm::do_finalize_sections): Use
5596         add_target_dynamic_tags.
5597         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5598         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5599         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5600         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5601
5602 2010-01-07  Ian Lance Taylor  <iant@google.com>
5603
5604         PR 11042
5605         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5606         object as needed.
5607
5608 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5609             Ian Lance Taylor  <iant@google.com>
5610
5611         PR 11019
5612         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5613         Xindex::read_symtab_xindex.
5614
5615 2010-01-07  Doug Kwan  <dougkwan@google.com>
5616
5617         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5618         (Insn_template::thumb16_bcond_insn): New method declaration.
5619         (Insn_template): Fix spelling.
5620         (Stub::thumb16_special): New method declaration.
5621         (Stub::do_write): Define virtual method which was previously pure
5622         virtual.
5623         (Stub::do_thumb16_special): New method declaration.
5624         (Stub::do_fixed_endian_write): New template member.
5625         (Reloc_stub::do_write): Remove.
5626         (Reloc_stub::do_fixed_endian_write): Remove.
5627         (Cortex_a8_stub): New class definition.
5628         (Stub_factory::make_cortex_a8_stub): New method definition.
5629         (Stub_factory::Stub_factory): Add missing static storage class
5630         qualifier for elf32_arm_stub_a8_veneer_blx.
5631
5632 2010-01-07  Ian Lance Taylor  <iant@google.com>
5633
5634         PR 10980
5635         * options.h (class General_options): Add --warn-unresolved-symbols
5636         and --error-unresolved-symbols.
5637         * errors.cc (Errors::undefined_symbol): Implement
5638         --warn-unresolved-symbols.
5639
5640         * options.h (class General_options): Add -z text and -z textoff.
5641         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5642
5643 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5644
5645         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5646         (Garbage_collection::cident_sections): New function.
5647         (Garbage_collection::add_cident_section): New function.
5648         (Garbage_collection::cident_sections_): New member.
5649         (gc_process_relocs): Add references to sections whose names are C
5650         identifiers.
5651         * gold.h (cident_section_start_prefix): New constant.
5652         (cident_section_stop_prefix): New constant.
5653         (is_cident): New function.
5654         * layout.cc (Layout::define_section_symbols): Replace string constants
5655         with the newly defined constants.
5656         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5657         C identifiers.
5658         * testsuite/Makefile.am: Add gc_orphan_section_test.
5659         * testsuite/Makefile.in: Regenerate.
5660         * testsuite/gc_orphan_section_test.cc: New file.
5661         * testsuite/gc_orphan_section_test.sh: New file.
5662
5663 2010-01-06  Ian Lance Taylor  <iant@google.com>
5664
5665         PR 10980
5666         * options.h (class General_options): Add --warn-shared-textrel.
5667         * layout.cc (Layout::finish_dynamic_section): Implement
5668         --warn-shared-textrel.
5669
5670         PR 10980
5671         * options.h (class General_options): Add --warn-multiple-gp.
5672
5673 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5674
5675         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5676         $(THREADSLIB) and $(LIBDL).
5677         * Makefile.in: Rebuild.
5678
5679 2010-01-06  Ian Lance Taylor  <iant@google.com>
5680
5681         PR 10980
5682         * options.cc (General_options::parse_section_start): New function.
5683         (General_options::section_start): New function.
5684         (General_options::General_options): Initialize all members.
5685         * options.h: Include <map>
5686         (class General_options): Add --section-start.  Add section_starts_
5687         member.
5688         * layout.cc (Layout::attach_allocated_section_to_segment): If
5689         --section-start was used, set the address of the segment.  Remove
5690         local sort_sections.
5691         (Layout::relaxation_loop_body): If the address of the load segment
5692         has been set by --section-start, don't use it.
5693         * output.h (Output_segment::update_flags_for_output_section): New
5694         function.
5695         * output.cc (Output_segment::add_output_section): Call
5696         update_flags_for_output_section.
5697
5698 2010-01-05  Ian Lance Taylor  <iant@google.com>
5699
5700         PR 10980
5701         * options.h (class General_options): Add --undefined-version.
5702         * script.cc (struct Version_expression): Add was_matched_by_symbol
5703         field.
5704         (Version_script_info::matched_symbol): New function.
5705         (Version_script_info::get_symbol_version_helper): Call
5706         matched_symbol.
5707         (Version_script_info::check_unmatched_names): New function.
5708         * script.h (class Version_script_info): Update declarations.
5709         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5710
5711         * options.h (class General_options): Use DEFINE_bool_alias for
5712         allow_multiple_definition.
5713         * resolve.cc (Symbol_table::should_override): Don't test
5714         allow_multiple_definition.
5715
5716         PR 10980
5717         * options.h (class General_options): Add --cref.
5718         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5719         until after printing cref table.
5720         * cref.cc: Include "symtab.h".
5721         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5722         (Cref_table_compare::operator()): New function.
5723         (Cref_inputs::gather_cref): New function.
5724         (filecol): New static const.
5725         (Cref_inputs::print_cref): New function.
5726         (Cref::print_cref): New function.
5727         * cref.h: Include <cstdio>.
5728         (class Cref): Update declarations.
5729         * mapfile.h (Mapfile::file): New function.
5730         * object.h (class Object): Define Symbols.  Declare virtual
5731         do_get_global_symbols.
5732         (Object::get_global_symbols): New function.
5733         * object.cc (Input_objects::add_object): Pass object to cref_ if
5734         --cref.
5735         (Input_objects::archive_start): Likewise.
5736         (Input_objects::archive_stop): Likewise.
5737         (Input_objects::print_cref): New function.
5738         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5739         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5740         --cref.
5741         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5742         function.
5743         * plugin.h (class Sized_pluginobj): Update declarations.
5744
5745 2010-01-05  Ian Lance Taylor  <iant@google.com>
5746
5747         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5748         to is_default_version.  Rename insdef to insdefault.
5749         (Symbol_table::add_from_relobj): Rename def to is_default_version
5750         and local to is_forced_local.
5751         (Symbol_table::add_from_pluginobj): Likewise.
5752         (Symbol_table::add_from_dynobj): Likewise.
5753         (Symbol_table::define_special_symbol): Rename insdef to
5754         insdefault.
5755
5756 2010-01-04  Ian Lance Taylor  <iant@google.com>
5757
5758         PR 10980
5759         * options.h (class General_options): Add
5760         --allow-multiple-definition and -z muldefs.
5761         * resolve.cc (Symbol_table::should_override): Don't warn about a
5762         multiple symbol definition if --allow-multiple-definition or -z
5763         muldefs.
5764
5765         PR 10980
5766         * options.h (class General_options): Add --add-needed and
5767         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5768         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5769         error if --copy-dt-needed-entries aka --add-needed is used and
5770         would cause a change in behaviour.
5771
5772         PR 10980
5773         * options.h (class General_options): Add -G as a short version of
5774         --shared.  Add no-op options -assert, -g, and -i.
5775
5776 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5777
5778         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5779         check for .text or .gnu.linkonce.t sections.
5780         * icf.cc (Icf::find_identical_sections): Ditto.
5781         Change the detection for mangled function name within the section
5782         name.
5783         * icf.h (is_section_foldable_candidate): New function.
5784
5785 2009-12-30  Ian Lance Taylor  <iant@google.com>
5786
5787         PR 10980
5788         * options.h (class General_options): Permit two dashes with
5789         --retain-symbols-file.
5790
5791 2009-12-30  Ian Lance Taylor  <iant@google.com>
5792
5793         PR 10979
5794         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5795         don't put the file header and segment headers in the text
5796         segment.
5797
5798         PR 10979
5799         * common.cc (Sort_commons::operator()): Stabilize sort when both
5800         entries are NULL.
5801         (Symbol_table::do_allocate_commons_list): When allocating common
5802         symbols, skip a symbol which is no longer common.
5803         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5804         an object before checking its type.
5805         * testsuite/common_test_2.c: New file.
5806         * testsuite/common_test_3.c: New file.
5807         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5808         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5809         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5810         (common_test_2_pic.o, common_test_2.so): New targets.
5811         (common_test_3_pic.o, common_test_3.so): New targets.
5812         * testsuite/Makefile.in: Rebuild.
5813
5814         PR 10979
5815         * script.cc (read_input_script): If we see a new SECTIONS clause,
5816         and we have added an input section, give an error.
5817         * layout.h (class Layout): Add have_added_input_section function.
5818         Add have_added_input_section_ field.
5819         * layout.cc (Layout::Layout): Initialize
5820         have_added_input_section_.
5821         (Layout::layout): Set have_added_input_section_.
5822         (Layout::layout_eh_frame): Likewise.
5823
5824 2009-12-30  Ian Lance Taylor  <iant@google.com>
5825
5826         PR 10931
5827         * options.h (class General_options): Add --sort-common option.
5828         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5829         * common.cc (Sort_common): Add sort_order parameter to
5830         constructor.  Add sort_order_ field.
5831         (Sort_commons::operator): Check sort_order_.
5832         (Symbol_table::allocate_commons): Determine the sort order.
5833         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5834         Change all callers.
5835         (Symbol_table::do_allocate_commons_list): Likewise.
5836
5837 2009-12-30  Ian Lance Taylor  <iant@google.com>
5838
5839         PR 10916
5840         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5841         symbols from this object, don't change the visibility of an
5842         undefined symbol.
5843         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5844
5845 2009-12-30  Ian Lance Taylor  <iant@google.com>
5846
5847         PR 10861
5848         * script.h (class Version_script_info): Define Language enum.
5849         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5850         new fields globals_, locals_, and is_finalized_.
5851         * script.cc: Various formatting fixes.
5852         (class Parser_closure): Change language_stack_ from a vector of
5853         std::string to one of Version_script_info::Language.  Adjust all
5854         uses accordingly.
5855         (class Lazy_demangler): Remove.
5856         (struct Version_expression): Change language from std::string to
5857         Version_script_info::Language.
5858         (Version_script_info::Version_script_info): New function.
5859         (Version_script_info::~Version_script_info): Don't call clear.
5860         (Version_script_info::finalize): New function.
5861         (Version_script_info::build_lookup_tables): New function.
5862         (Version_script_info::build_expression_list_lookup): New
5863         function.
5864         (Version_script_info::get_symbol_version_helper): Rewrite to use
5865         lookup tables.
5866         (Version_script_info::print_expression_list): Adjust to use
5867         Version_script_info::Language.
5868         (script_push_lex_into_version_mode): Check that the version script
5869         has not been finalized.
5870         (version_script_push_lang): Change language string to
5871         Version_script_info::Language.
5872         * options.cc (Command_line::version_script): New function.
5873         * options.h (class General_options): Add finalize_dynamic_list
5874         function.  Change version_script from declaration to definition.
5875         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5876         * testsuite/version_script.map: Remove duplicate def of foo.
5877         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5878         version_script.map.
5879         * testsuite/Makefile.in: Rebuild.
5880
5881 2009-12-30  Ian Lance Taylor  <iant@google.com>
5882
5883         PR 10843
5884         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5885         if the input symbol index is 0, make the output symbol index 0.
5886
5887 2009-12-30  Ian Lance Taylor  <iant@google.com>
5888
5889         PR 10670
5890         * options.h (class General_options): Add -x/--discard-all.
5891         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5892         --discard-all.  If the local symbol needs a dynamic entry, check
5893         that before handling --discard-locals.
5894
5895 2009-12-30  Ian Lance Taylor  <iant@google.com>
5896
5897         PR 10450
5898         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5899         flags to PF_R.
5900         (Output_segment::add_output_section): Don't change the flags if
5901         the type is PT_TLS.
5902
5903         PR 10450
5904         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5905         GNU hash table if they need a dynamic value.  Otherwise, don't add
5906         them if they are defined in a dynamic object or are forced local.
5907
5908 2009-12-29  Ian Lance Taylor  <iant@google.com>
5909
5910         PR 10450
5911         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5912         .gnu.hash table for a 32-bit target.
5913
5914         PR 10450
5915         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5916         regular and a dynamic object only needs a dynamic symbol table
5917         entry if it is externally visible.
5918
5919         PR 10450
5920         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5921         constructor.  Add global_offset_table_ field.
5922         (Target_i386::got_section): Set global_offset_table_.
5923         (Target_i386::do_finalize_sections): Set global_offset_table_
5924         size.
5925         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5926         in constructor.  Add global_offset_table_ field.
5927         (Target_x86_64::got_section): Set global_offset_table_.
5928         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5929         size.
5930
5931         * layout.cc (Layout::Layout): Initialize increase_relro_.
5932         (Layout::get_output_section): Add is_relro, is_last_relro, and
5933         is_first_non_relro parameters.  Change all callers.
5934         (Layout::choose_output_section): Likewise.
5935         (Layout::add_output_section_data): Likewise.
5936         (Layout::make_output_section): Likewise.
5937         (Layout::set_segment_offsets): Clear increase_relro when using a
5938         linker script.
5939         * layout.h (class Layout): Add increase_relro method.  Add
5940         increase_relro_ field.  Update declarations.
5941         * output.cc (Output_section::Output_section): Initialize
5942         is_last_relro_ and is_first_non_relro_.
5943         (Output_segment::add_output_section): Group relro sections is
5944         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5945         (Output_segment::maximum_alignment): Remove relro handling.
5946         (Output_segment::set_section_addresses): Add increase_relro
5947         parameter.  Change all callers.  Add initial alignment to align
5948         relro sections on separate page.  Remove old relro handling.
5949         (Output_segment::set_section_list_addresses): Remove in_relro
5950         parameter.  Change all callers.
5951         (Output_segment::set_offset): Add increase parameter.  Change all
5952         callers.  Remove old relro handling.
5953         * output.h (class Output_section): Add new methods: is_last_relro,
5954         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5955         Add is_last_relro_ and is_first_non_relro_ fields.
5956         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5957         Create separate .got.plt section.  Call increase_relro.
5958         * x86_64.cc (Target_x86_64::got_section): Likewise.
5959         * testsuite/relro_script_test.t: Add .got.plt.
5960
5961         PR 10450
5962         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5963         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5964         (Layout::finalize): Call set_dynamic_symbol_size.
5965         (Layout::set_dynamic_symbol_size): New function.
5966         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5967         set_dynamic_symbol_size.
5968
5969         PR 10450
5970         * output.h (class Output_section): Add is_entsize_zero_ field.
5971         * output.cc (Output_section::Output_section): Initialize
5972         is_entsize_zero_.
5973         (Output_section::set_entsize): If two different entsizes are
5974         requested, force it to zero.
5975         (Output_section::add_input_section): Set flags for .debug_str
5976         before updating section flags.  Set entsize.
5977         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5978         and SHF_STRING if all input sections have those flags.
5979
5980 2009-12-29   Rafael Espindola  <espindola@google.com>
5981
5982         * main.cc (main): Fix the sys time reporting.
5983         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5984         reporting.
5985
5986 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5987
5988         * options.cc (General_options::parse_version): Allow -v to exit
5989         without an error if there is nothing to link.
5990
5991 2009-12-29  Ian Lance Taylor  <iant@google.com>
5992
5993         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5994         using a version of gcc before 4.1.
5995         * configure: Rebuild.
5996
5997 2009-12-28  Chris Demetriou  <cgd@google.com>
5998
5999         * attributes.cc (Output_attributes_section_data::do_write): Use
6000         std::vector::front rather than std::vector::data.
6001
6002 2009-12-28  Ian Lance Taylor  <iant@google.com>
6003
6004         * symtab.h (class Symbol_table): Add enum Defined.
6005         * resolve.cc (Symbol_table::should_override): Add defined
6006         parameter.  Change all callers.  Test whether object is NULL
6007         before calling a method on it.
6008         (Symbol_table::report_resolve_problem): Add defined parameter.
6009         Change all callers.
6010         (Symbol_table::should_override_with_special): Likewise.
6011         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6012         parameter.  Change all callers.
6013         (Symbol_table::do_define_in_output_data): Likewise.
6014         (Symbol_table::define_in_output_segment): Likewise.
6015         (Symbol_table::do_define_in_output_segment): Likewise.
6016         (Symbol_table::define_as_constant): Likewise.
6017         (Symbol_table::do_define_as_constant): Likewise.
6018         * script.h (class Symbol_assignment): Add is_defsym parameter to
6019         constructor; change all callers.
6020         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6021         parameter.  Change all callers.  Add is_defsym_ field.
6022         (class Parser_closure): Add parsing_defsym parameter to
6023         constructor; change all callers.  Add parsing_defsym accessor
6024         function.  Add parsing_defsym_ field.
6025
6026 2009-12-28  Ian Lance Taylor  <iant@google.com>
6027
6028         * gold.cc (queue_middle_tasks): Fix formatting.
6029         * object.cc (Relobj::is_section_name_included): Likewise.
6030
6031 2009-12-23  Ian Lance Taylor  <iant@google.com>
6032
6033         * i386.cc (Target_i386::do_calls_non_split): Recognize
6034         -fsplit-stack prologue for a function with a static chain.
6035         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6036         -fsplit-stack prologue when using %r11.
6037
6038 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6039
6040         * options.cc (General_options::parse_version): Make -v continue and do
6041         the link like GNU ld does.
6042
6043 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6044
6045         * Makefile.am (CCFILES): Add timer.cc.
6046         (HFILES): Add timer.h.
6047         * configure.ac: Check for sysconf and times.
6048         * main.cc: include timer.h.
6049         (main): Use Timer instead of get_run_time.
6050         * timer.cc: New.
6051         * timer.h: New.
6052         * workqueue.cc: include timer.h.
6053         (Workqueue::find_and_run_task):
6054         Report user, sys and wall time.
6055         * Makefile.in: Regenerate.
6056         * config.in: Regenerate.
6057         * configure: Regenerate.
6058
6059 2009-12-16  Doug Kwan  <dougkwan@google.com>
6060
6061         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6062         sections.
6063         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6064         relaxed input sections.
6065         * output.cc (Output_section::find_relaxed_input_section): Change
6066         return type to Output_relaxed_input_section pointer.  Adjust code
6067         for new type of relaxed_input_section_map_.
6068         * output.h (Output_section::find_relaxed_input_section): Change
6069         return type to Output_relaxed_input_section pointer.
6070         (Output_section::Output_relaxed_input_section_by_input_section_map):
6071         New type.
6072         (Output_section::relaxed_input_section_map_): Change type to
6073         Output_section::Output_relaxed_input_section_by_input_section_map.
6074         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6075         input section.
6076
6077 2009-12-15  Ian Lance Taylor  <iant@google.com>
6078
6079         * layout.cc (Layout::create_shstrtab): Only write out after input
6080         sections if we are compressing debug sections.
6081
6082 2009-12-15  Ian Lance Taylor  <iant@google.com>
6083
6084         * archive.cc (Archive::add_symbols): Only look up a symbol without
6085         a version if there is, in fact, a version.
6086
6087 2009-12-14  Ian Lance Taylor  <iant@google.com>
6088
6089         Revert -Wshadow changes, all changes from:
6090         2009-12-11  Doug Kwan  <dougkwan@google.com>
6091         2009-12-11  Nick Clifton  <nickc@redhat.com>
6092         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6093
6094 2009-12-11  Doug Kwan  <dougkwan@google.com>
6095
6096         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6097         due to -Wshadow.
6098         * attributes.cc (Object_attribute::size): Ditto.
6099         (Attributes_section_data::size): Ditto.
6100         (Attributes_section_data::Attributes_section_data): Ditto.
6101         (Output_attributes_section_data::do_write): Ditto.
6102         * attributes.h (Object_attribute::set_type): Ditto.
6103         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6104
6105 2009-12-11  Nick Clifton  <nickc@redhat.com>
6106
6107         * archive.cc: Fix shadowed variable warnings.
6108         * arm.cc: Likewise.
6109         * compressed_output.cc: Likewise.
6110         * compressed_output.h: Likewise.
6111         * configure: Likewise.
6112         * dwarf_reader.cc: Likewise.
6113         * dynobj.cc: Likewise.
6114         * dynobj.h: Likewise.
6115         * ehframe.cc: Likewise.
6116         * ehframe.h: Likewise.
6117         * errors.cc: Likewise.
6118         * expression.cc: Likewise.
6119         * fileread.cc: Likewise.
6120         * fileread.h: Likewise.
6121         * freebsd.h: Likewise.
6122         * i386.cc: Likewise.
6123         * icf.cc: Likewise.
6124         * incremental.h: Likewise.
6125         * layout.cc: Likewise.
6126         * layout.h: Likewise.
6127         * mapfile.cc: Likewise.
6128         * merge.cc: Likewise.
6129         * merge.h: Likewise.
6130         * object.cc: Likewise.
6131         * object.h: Likewise.
6132         * options.h: Likewise.
6133         * output.cc: Likewise.
6134         * output.h: Likewise.
6135         * parameters.cc: Likewise.
6136         * plugin.cc: Likewise.
6137         * powerpc.cc: Likewise.
6138         * reduced_debug_output.cc: Likewise.
6139         * reduced_debug_output.h: Likewise.
6140         * reloc.cc: Likewise.
6141         * reloc.h: Likewise.
6142         * resolve.cc: Likewise.
6143         * script-sections.cc: Likewise.
6144         * script.cc: Likewise.
6145         * script.h: Likewise.
6146         * sparc.cc: Likewise.
6147         * symtab.cc: Likewise.
6148         * symtab.h: Likewise.
6149         * target-select.cc: Likewise.
6150         * target-select.h: Likewise.
6151         * token.h: Likewise.
6152         * workqueue.cc: Likewise.
6153         * workqueue.h: Likewise.
6154         * x86_64.cc: Likewise.
6155
6156 2009-12-10  Doug Kwan  <dougkwan@google.com>
6157
6158         * arm.cc (attributes.h): New include.
6159         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6160         (Arm_relobj::~Arm_relobj): Delete object pointed by
6161         attributes_section_data_.
6162         (Arm_relobj::attributes_section_data): New method definition.
6163         (Arm_relobj::attributes_section_data_): New data member declaration.
6164         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6165         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6166         attributes_section_data_.
6167         (Arm_dynobj::attributes_section_data): New method definition.
6168         (Arm_dynobj::attributes_section_data_): New data member declaration.
6169         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6170         initialization value of may_use_blx_ to false.
6171         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6172         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6173         object attributes to compute results instead of hard-coding.
6174         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6175         Target_arm::get_secondary_compatible_arch,
6176         Target_arm::set_secondary_compatible_arch
6177         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6178         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6179         New method declarations.
6180         (Target_arm::get_aeabi_object_attribute): New method definition.
6181         (Target_arm::attributes_section_data_): New data member declaration.
6182         (read_arm_attributes_section): New template definition.
6183         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6184         (Arm_dynobj::do_read_symbols): Ditto.
6185         (Target_arm::do_finalize_sections): Merge attributes sections from
6186         input.  Check for BLX use after attributes section merging.
6187         Fix __exidx_start and __exidx_end visibility.  Create an
6188         .ARM.attributes section if necessary.
6189         (Target_arm::get_secondary_compatible_arch,
6190         Target_arm::set_secondary_compatible_arch,
6191         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6192         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6193         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6194         New method definitions.
6195
6196 2009-12-09  Ian Lance Taylor  <iant@google.com>
6197
6198         * plugin.cc (Plugin::load): Don't cast from void* to a function
6199         pointer.
6200
6201 2009-12-09  Ian Lance Taylor  <iant@google.com>
6202
6203         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6204         information fields.
6205
6206 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6207
6208         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6209         Replace two_file_shared_1.so with two_file_shared_2.so.
6210         * testsuite/Makefile.in: Regenerated.
6211
6212 2009-12-08  Doug Kwan  <dougkwan@google.com>
6213
6214         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6215         (HFILES): Add attributes.h and int_encoding.h.
6216         * Makefile.in: Regenerate.
6217         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6218         function definitions to int_encoding.cc
6219         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6220         prototypes to int_encoding.h
6221         * reduced_debug_output.cc (int_encoding.h): New include.
6222         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6223         function definitions to int_encoding.cc
6224         (insert_into_vector, read_from_pointer): Move template definitions to
6225         int_encoding.h
6226         * attributes.cc: New file.
6227         * attributes.h: New file.
6228         * int_encoding.cc: New file.
6229         * int_encoding.h: New file.
6230
6231 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6232
6233         PR gold/11055
6234         * incremental-dump.cc (dump_incremental_inputs): New.
6235         (main): Use dump_incremental_inputs.
6236
6237 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6238
6239         PR gold/10893
6240         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6241         checking elfcpp::STT_FUNC.
6242         (Target_i386::Relocate::relocate): Likewise.
6243         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6244
6245         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6246         symbols from shared libraries into normal FUNC symbols.
6247
6248         * symtab.h (Symbol): Add is_func and use it.
6249
6250 2009-12-05  Doug Kwan  <dougkwan@google.com>
6251
6252         * arm.cc (Target_arm::arm_info): Initialize new fields
6253         attributes_section and attributes_vendor.
6254         * i386.cc (Target_i386::i386_info): Same.
6255         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6256         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6257         fields attributes_section and attributes_vendor.
6258         * sparc.cc (Target_sparc::sparc_info): Same.
6259         * target.h (Target::attributes_section, Target::attributes_vendor,
6260         Target::is_attributes_section, Target::attribute_arg_type,
6261         Target::attributes_order): New method definitions.
6262         (Target::Target_info::attributes_section,
6263         Target::Target_info::attributes_vendor): New fields.
6264         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6265         virtual method definitions.
6266         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6267         attributes_section and attributes_vendor.
6268         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6269
6270 2009-12-05  Doug Kwan  <dougkwan@google.com>
6271
6272         * arm.cc: Update comments about interworking and stub generation.
6273         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6274         considered as non-PIC.
6275         (Arm_relocate_functions::base_abs): Fix formatting.
6276         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6277         of function to use GOT entry address instead of offset.
6278         (Target_arm::Scan::global): Issue an error if a symbol would need a
6279         PLT does not get one because it is untyped.  Remove code to create
6280         dynamic symbols for relative branches.
6281         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6282         takes unsigned integer instead of boolean.
6283
6284 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6285
6286         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6287         (two_file_test_LDADD): Likewise.
6288         (common_test_1_LDADD): Likewise.
6289         (exception_test_LDADD) Likewise.
6290         (weak_test_LDADD): Likewise.
6291         (many_sections_test_LDADD): Likewise.
6292         (initpri1_LDADD): Likewise.
6293         (script_test_1_LDADD): Likewise.
6294         (script_test_2_LDADD): Likewise.
6295         (justsyms_LDADD): Likewise.
6296         (binary_test_LDADD): Likewise.
6297         (large_LDADD): Likewise.
6298         * testsuite/Makefile.in: Regenerated.
6299
6300 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6301
6302         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6303         (Symbol_table::override_with_special): Likewise.
6304         (Symbol_table::add_from_object): Likewise.
6305
6306 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6307
6308         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6309         Don't set the data_offset twice.
6310
6311 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6312
6313         * testsuite/Makefile.in: Regenerate.
6314
6315 2009-12-03  Doug Kwan  <dougkwan@google.com>
6316
6317         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6318         (Target_arm::do_finalize_sections): Add parameter for symbol table
6319         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6320         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6321         parameter for symbol table pointer.
6322         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6323         an additional parameter for a pointer to symbol table.
6324         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6325         parameter for a symbol table pointer.
6326         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6327         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6328         Ditto.
6329         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6330         parameter for a symbol table pointer.
6331
6332 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6333
6334         * incremental.cc (Incremental_inputs_header)
6335         (Incremental_inputs_header_write, Incremental_inputs_entry)
6336         (Incremental_inputs_entry_write): Move ...
6337         * incremental.h (Incremental_inputs_header)
6338         (Incremental_inputs_header_write, Incremental_inputs_entry)
6339         (Incremental_inputs_entry_write): here.
6340
6341 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6342
6343         * incremental.cc (make_sized_incremental_binary): Set the target.
6344         Error if it is incompatible.
6345         * output.h (Output_file): Add filename method.
6346
6347 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6348
6349         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6350         from the get_* methods.
6351
6352 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6353
6354         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6355         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6356         Write 0 for the data_offset of scripts.
6357
6358 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6359
6360         * testsuite/Makefile.am: Add the incremental_test.sh test.
6361         * testsuite/incremental_test.sh: New.
6362         * testsuite/incremental_test_1.c: New.
6363         * testsuite/incremental_test_2.c: New.
6364
6365 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6366
6367        * incremental-dump.cc (main): Fix typos.
6368
6369 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6370
6371         PR gold/11025
6372         * incremental-dump.cc (main): Use llu to print 64 bit values.
6373
6374 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6375             H.J. Lu  <hongjiu.lu@intel.com>
6376
6377         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6378         $(LIBDL).
6379         (incremental_dump_LDADD): Likewise.
6380         * Makefile.in: Regenerated.
6381
6382 2009-11-25  Doug Kwan  <dougkwan@google.com>
6383
6384         Revert:
6385
6386         2009-11-25  Doug Kwan  <dougkwan@google.com>
6387
6388                 * arm.cc (Target_arm::Target_arm): Move method definition
6389                 outside of class definition.  Add code to handle
6390                 --target1-rel, --target1-abs and --target2= options.
6391                 (Target_arm::get_reloc_reloc_type): Change method to be
6392                 non-static and const.
6393                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6394                 New data member declaration.
6395                 (Target_arm::Scan::local, Target_arm::Scan::global,
6396                 Target_arm::Relocate::relocate,
6397                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6398                 Adjust call to Target_arm::get_real_reloc_type.
6399                 (Target_arm::get_real_reloc_type): Use command line options
6400                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6401                 * options.h (--target1-rel, --target1-abs, --target2): New
6402                 ARM-only options.
6403
6404 2009-11-25  Doug Kwan  <dougkwan@google.com>
6405
6406         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6407         class definition.  Add code to handle --target1-rel, --target1-abs
6408         and --target2= options.
6409         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6410         and const.
6411         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6412         member declaration.
6413         (Target_arm::Scan::local, Target_arm::Scan::global,
6414         Target_arm::Relocate::relocate,
6415         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6416         call to Target_arm::get_real_reloc_type.
6417         (Target_arm::get_real_reloc_type): Use command line options to
6418         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6419         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6420         options.
6421
6422 2009-11-25  Doug Kwan  <dougkwan@google.com>
6423
6424         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6425         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6426         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6427         formatting.
6428         (Arm_relocate_functions::thm_call): Replace body with a call to
6429         Arm_relocate_functions::thumb_branch_common.
6430         (Arm_relocate_functions::thm_jump24,
6431         Arm_relocate_functions::thm_xpc22): New method definitions.
6432         (Arm_relocate_functions::thumb_branch_common): New method definition.
6433         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6434         operator.
6435         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6436         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6437
6438 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6439
6440         * Makefile.am: Build incremental-dump
6441         * Makefile.in: Regenerate.
6442         * incremental-dump.cc: New.
6443         * incremental.cc (Incremental_inputs_header_data,
6444         Incremental_inputs_entry_data): Move to incremental.h
6445         * incremental.h: (Incremental_inputs_header_data,
6446         Incremental_inputs_entry_data): Move from incremental.cc
6447
6448 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6449
6450         * incremental.cc (Incremental_inputs_header,
6451         Incremental_inputs_header_write, Incremental_inputs_entry,
6452         Incremental_inputs_entry_write): Add a typedef with the data type.
6453
6454 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6455
6456         * incremental.cc (Incremental_inputs_header,
6457         Incremental_inputs_header_write, Incremental_inputs_entry,
6458         Incremental_inputs_entry_write): Update comment about which
6459         type has the filed descriptions.
6460
6461 2009-11-15  Doug Kwan  <dougkwan@google.com>
6462
6463         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6464         (Arm_relocate_functions::arm_branch_common): Change method defintion
6465         in class definition to a method declaration and update list of formal
6466         parameters.
6467         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6468         Arm_relocation_functions::jump24): Adjust call to
6469         Arm_relocate_functions::arm_branch_common.  Update list of formal
6470         parameters.
6471         (Arm_relocate_functions::xpc25): New method definition.
6472         (Arm_relocate_functions::arm_branch_common): Move method defintion
6473         out from class definition.  Use stubs for mode-switching and extending
6474         branch ranges.
6475         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6476         specially.  Change code to enable use of stubs in ARM branches.
6477
6478 2009-11-10  Doug Kwan  <dougkwan@google.com>
6479
6480         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6481         in method declaration.
6482         (Target_arm::relocate_stub): New method declaration.
6483         (Target_arm::default_target): Change to return a pointer instead of
6484         a const reference.
6485         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6486         Target_arm::default_target.
6487         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6488         method definition.
6489         (Target_arm::relocate_section): Adjust view.
6490         (Target_arm::relocate_stub): New method definition.
6491
6492 2009-11-10  Doug Kwan  <dougkwan@google.com>
6493
6494         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6495         a format warning.
6496         * incremental.cc (open_incremental_binary): Initialized local
6497         variables to avoid warnings.
6498         * object.cc (make_elf_object): Ditto.
6499         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6500         a format warning.
6501
6502 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6503
6504         PR gold/10930
6505         * testsuite/plugin_test.c: Include "config.h".
6506
6507 2009-11-09  Doug Kwan  <dougkwan@google.com>
6508
6509         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6510         (arm_symbol_value): Remove.
6511         (Arm_relocate_functions::arm_branch_common,
6512         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6513         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6514         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6515         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6516         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6517         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6518         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6519         Arm_relocate_functions::thm_mobw_abs_nc,
6520         Arm_relocate_functions::thm_mov_abs,
6521         Arm_relocate_functions::movw_prel_nc,
6522         Arm_relocate_functions::thm_movt_abs,
6523         Arm_relocate_functions::movt_prel,
6524         Arm_relocate_functions::thm_movw_prel_nc,
6525         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6526         (Target_arm::Relocate::relocate): Only decompose address into two
6527         parts if relocation type uses the thumb-bit and pass the actual
6528         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6529         calls to methods in Arm_relocate_functions for this change.
6530
6531 2009-11-08  Ian Lance Taylor  <iant@google.com>
6532
6533         PR 10925
6534         * reloc.cc: Instantiate
6535         Sized_relobj::initialize_input_to_output_maps and
6536         Sized_relobj:free_input_to_output_maps.
6537
6538 2009-11-06  Ian Lance Taylor  <iant@google.com>
6539
6540         PR 10876
6541         * defstd.cc (in_segment): Set only_if_ref true for "end".
6542
6543 2009-11-06  Doug Kwan  <dougkwan@google.com>
6544
6545         * arm.cc (class Reloc_stub): Correct a comment.
6546         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6547         (Target_arm::scan_section_for_stubs): New method declaration.
6548         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6549         Change methods from private to protected.
6550         (Target_arm::do_may_relax): New method definition.
6551         (Target_arm::do_relax, Target_arm::group_sections,
6552         Target_arm::scan_reloc_for_stub,
6553         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6554         (Target_arm::arm_input_section_map_): New data member declaration.
6555         (Target_arm::scan_reloc_for_stub,
6556         Target_arm::scan_reloc_section_for_stubs,
6557         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6558         Target_arm::do_relax): New method definitions.
6559
6560 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6561
6562         * configure.ac: Check for (struct stat)::st_mtim
6563         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6564         * config.in: Regenerate.
6565         * configure: Regenerate.
6566
6567 2009-11-05  Ian Lance Taylor  <iant@google.com>
6568
6569         PR 10910
6570         * output.cc (Output_segment::add_output_section): Add missing
6571         return statement.
6572
6573 2009-11-04  Ian Lance Taylor  <iant@google.com>
6574
6575         PR 10880
6576         * object.h (class Object): Add is_needed and set_is_needed
6577         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6578         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6579         defined in a dynamic object and referenced by a regular object,
6580         set is_needed for the dynamic object.
6581         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6582         if the file is marked with as_needed and it is not needed.
6583
6584 2009-11-04  Ian Lance Taylor  <iant@google.com>
6585
6586         PR 10887
6587         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6588         tags if data is discarded by linker script.
6589         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6590         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6591         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6592         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6593
6594 2009-11-04  Ian Lance Taylor  <iant@google.com>
6595
6596         * layout.cc (Layout::get_output_section): Add is_interp and
6597         is_dynamic_linker_section parameters.  Change all callers.
6598         (Layout::choose_output_section): Likewise.
6599         (Layout::make_output_section): Likewise.
6600         (Layout::add_output_section_data): Add is_dynamic_linker_section
6601         parameter.  Change all callers.
6602         * layout.h (class Layout): Update declarations.
6603         * output.h (class Output_section): Add is_interp, set_is_interp,
6604         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6605         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6606         generate_code_fills_at_write_ to a bitfield.
6607         * output.cc (Output_section::Output_sections): Initialize new
6608         fields.
6609         (Output_segment::add_output_section): Add do_sort parameter.
6610         Change all callers.
6611
6612 2009-11-03  Ian Lance Taylor  <iant@google.com>
6613
6614         PR 10860
6615         * options.h (class General_options): Add --warn-common.
6616         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6617         merging two common symbols.
6618         (Symbol_table::should_override): Handle --warn-common when merging
6619         a common symbol with a defined symbol.  Use report_resolve_problem
6620         for multiple definitions.
6621         (Symbol_table::report_resolve_problem): New function.
6622         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6623
6624 2009-11-03  Doug Kwan  <dougkwan@google.com>
6625
6626         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6627         stub_factory_.
6628         (Target_arm::stub_factory): New method definition.
6629         (Target_arm::new_arm_input_section,
6630         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6631         Target_arm::reloc_uses_thumb_bit): New method declarations.
6632         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6633         New type definitions.
6634         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6635         member declarations.
6636         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6637         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6638         New method definitions.
6639
6640 2009-11-03  Ian Lance Taylor  <iant@google.com>
6641
6642         * options.h (class General_options): Add --warn_constructors.
6643
6644 2009-11-03  Ian Lance Taylor  <iant@google.com>
6645
6646         PR 10893
6647         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6648         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6649
6650 2009-11-03  Ian Lance Taylor  <iant@google.com>
6651
6652         PR 10895
6653         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6654         --msgid-bugs-address.
6655         (install-pdf): New target.
6656         (install-data_yes): Look up one directory to find mkinstalldirs.
6657
6658 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6659
6660         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6661         tree.
6662
6663 2009-10-30  Doug Kwan  <dougkwan@google.com>
6664
6665         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6666
6667 2009-10-30  Doug Kwan  <dougkwan@google.com>
6668
6669         * arm.cc (Stub_addend_reader): New struct template definition
6670         and partial specializations.
6671         (Stub_addend_reader::operator()): New method definition for a
6672         partially specialized template.
6673
6674 2009-10-30  Doug Kwan  <dougkwan@google.com>
6675
6676         * arm.cc (Arm_relobj::processor_specific_flags): New method
6677         definition.
6678         (Arm_relobj::do_read_symbols): New method declaration.
6679         (Arm_relobj::processor_specific_flags_): New data member declaration.
6680         (Arm_dynobj): New class definition.
6681         (Target_arm::do_finalize_sections): Add input_objects parameter.
6682         (Target_arm::do_adjust_elf_header): New method declaration.
6683         (Target_arm::are_eabi_versions_compatible,
6684         (Target_arm::merge_processor_specific_flags): New method declaration.
6685         (Target_arm::do_make_elf_object): New overloaded method definitions
6686         and declaration.
6687         (Arm_relobj::do_read_symbols): New method definition.
6688         (Arm_dynobj::do_read_symbols): Ditto.
6689         (Target_arm::do_finalize_sections): Add input_objects parameters.
6690         Merge processor-specific flags from all input objects.
6691         (Target_arm::are_eabi_versions_compatible,
6692         Target_arm::merge_processor_specific_flags,
6693         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6694         New method definitions.
6695         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6696         Input_objects pointer type parameter.
6697         * layout.cc (Layout::finalize): Pass input objects to target's.
6698         finalize_sections function.
6699         * output.cc (Output_file_header::do_sized_write): Set ELF file
6700         header's processor-specific flags.
6701         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6702         Input_objects pointer type parameter.
6703         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6704         * target.h (Input_objects): New forward class declaration.
6705         (Target::processor_specific_flags,
6706         Target::are_processor_specific_flags_sect): New method definitions.
6707         (Target::finalize_sections): Add input_objects parameter.
6708         (Target::Target): Initialize processor_specific_flags_ and
6709         are_processor_specific_flags_set_.
6710         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6711         parameter.
6712         (Target::set_processor_specific_flags): New method definition.
6713         (Target::processor_specific_flags_,
6714         Target::are_processor_specific_flags_set_): New data member
6715         declarations.
6716         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6717         Input_objects pointer type parameter.
6718
6719 2009-10-30  Doug Kwan  <dougkwan@google.com>
6720
6721         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6722
6723 2009-10-28  Ian Lance Taylor  <iant@google.com>
6724
6725         * object.h (class Relobj): Drop options parameter from
6726         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6727         do_scan_relocs, do_relocate.  Change all callers.
6728         (class Sized_relobj): Drop options parameters from
6729         do_gc_process_relocs, do_scan_relocs, do_relocate,
6730         do_relocate_sections, relocate_sections, emit_relocs_scan,
6731         emit_relocs_scan_reltype.  Change all callers.
6732         (struct Relocate_info): Remove options field and all references to
6733         it.
6734         * reloc.h (class Read_relocs): Remove options constructor
6735         parameter and options_ field.  Change all callers.
6736         (class Gc_process_relocs, class Scan_relocs): Likewise.
6737         (class Relocate_task): Likewise.
6738         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6739         all callers.
6740         (scan_relocatable_relocs): Likewise.
6741         * target.h (class Sized_target): Remove options parameter from
6742         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6743         all callers.
6744         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6745         callers.
6746         * arm.cc: Update functions to remove options parameters.
6747         * i386.cc: Likewise.
6748         * powerpc.cc: Likewise.
6749         * sparc.cc: Likewise.
6750         * x86_64.cc: Likewise.
6751         * testsuite/testfile.cc: Likewise.
6752
6753 2009-10-28  Doug Kwan  <dougkwan@google.com>
6754
6755         * arm.cc (Arm_relobj): New class definition.
6756         (Arm_relobj::scan_sections_for_stubs,
6757         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6758         New method definitions.
6759
6760 2009-10-28  Cary Coutant  <ccoutant@google.com>
6761
6762         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6763         (Plugin::cleanup_done_): New member.
6764         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6765         (Plugin_manager::cleanup_done_): Remove.
6766         (Plugin_manager::add_input_file): Edit error message.
6767         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6768         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6769
6770 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6771
6772         * fileread.cc: (File_read::View::~View): Use the new
6773         data_ownership_ filed.
6774         (File_read::~File_read): Dispose the new whole_file_view_.
6775         (File_read::open): Mmap the whole file if needed.
6776         (File_read::open): Use whole_file_view_ instead of contents_.
6777         (File_read::find_view): Use whole_file_view_ if applicable.
6778         (File_read::do_read): Use whole_file_view_ instead of contents_.
6779         (File_read::make_view): Use whole_file_view_ instead of contents_,
6780         update File_read::View::View call.
6781         (File_read::find_or_make_view): Update File_read::View::View
6782         call.
6783         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6784         remove contents_
6785         (File_read::View::Data_ownership): New enum.
6786         (File_read::View::View): Replace bool mapped_ with Data_ownership
6787         argument.
6788         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6789         (File_read::View::data_ownership_): New field.
6790         (File_read::contents_): Remove (replaced by whole_file_view_).
6791         (File_read::whole_file_view_): New field.
6792         * options.h (class General_options): Add --keep-files-mapped.
6793
6794 2009-10-27  Cary Coutant  <ccoutant@google.com>
6795
6796         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6797         * testsuite/Makefile.am (plugin_test_5): New test case.
6798         * testsuite/Makefile.in: Regenerate.
6799
6800 2009-10-25  Doug Kwan  <dougkwan@google.com>
6801
6802         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6803         from private to protected to allow access by child class.
6804         (Sized_relobj::do_relocate_sections): New method declaration.
6805         (Sized_relobj::relocate_sections): Virtualize.
6806         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6807         Sized_relobj::relocate_sections.  Instantiate template explicitly
6808         for different target sizes and endianity.
6809
6810 2009-10-24  Doug Kwan  <dougkwan@google.com>
6811
6812         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6813         (Arm_input_section::as_arm_input_section): New method.
6814         (Arm_output_section): New class definition.
6815         (Arm_output_section::create_stub_group,
6816         Arm_output_section::group_sections): New method definitions.
6817
6818 2009-10-22  Doug Kwan  <dougkwan@google.com>
6819
6820         * arm.cc (Arm_input_section): New class definition.
6821         (Arm_input_section::init, Arm_input_section:do_write,
6822         Arm_input_section::set_final_data_size,
6823         Arm_input_section::do_reset_address_and_file_offset): New method
6824         definitions.
6825
6826 2009-10-21  Doug Kwan  <dougkwan@google.com>
6827
6828         * arm.cc (Stub_table, Arm_input_section): New forward class
6829         declarations.
6830         (Stub_table): New class defintion.
6831         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6832         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6833         New method definition.
6834
6835 2009-10-21  Doug Kwan  <dougkwan@google.com>
6836
6837         * arm.cc: Update copyright comments.
6838         (Target_arm): New forward class template declaration.
6839         (Arm_address): New type.
6840         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6841         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6842         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6843         constants.
6844         (Insn_template): Same.
6845         (DEF_STUBS): New macro.
6846         (Stub_type): New enum type.
6847         (Stub_template): New class definition.
6848         (Stub): Same.
6849         (Reloc_stub): Same.
6850         (Stub_factory): Same.
6851         (Target_arm::Target_arm): Initialize may_use_blx_ and
6852         should_force_pic_veneer_.
6853         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6854         Target_arm::should_force_pic_veneer,
6855         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6856         Target_arm::using_thumb_only, Target_arm:;default_target): New
6857         method defintions.
6858         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6859         New data member declarations.
6860         (Insn_template::size, Insn_template::alignment): New method defintions.
6861         (Stub_template::Stub_template): New method definition.
6862         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6863         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6864         (Stub_factory::Stub_factory): New method definition.
6865         * gold.h (string_hash): New template.
6866         * output.h (Input_section_specifier::hash_value): Use
6867         gold::string_hash.
6868         (Input_section_specifier::string_hash): Remove.
6869         * stringpool.cc (Stringpool_template::string_hash): Use
6870         gold::string_hash.
6871
6872 2009-10-20  Doug Kwan  <dougkwan@google.com>
6873
6874         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6875         symbols of relaxed input sections.
6876         * output.h (Output_section::find_relaxed_input_section): Make
6877         method public.
6878
6879 2009-10-16  Doug Kwan  <dougkwan@google.com>
6880
6881         * dynobj.cc (Versions::Versions): Initialize version_script_.
6882         Only insert base version symbol definition for a shared object
6883         if version script defines any version versions.
6884         (Versions::define_base_version): New method definition.
6885         (Versions::add_def): Check that base version is not needed.
6886         (Versions::add_need): Define base version lazily.
6887         * dynobj.h (Versions::define_base_version): New method declaration.
6888         (Versions::needs_base_version_): New data member declaration.
6889         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6890         (check_DATA): Add no_version_test.stdout.
6891         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6892         New make rules.
6893         * testsuite/Makefile.in: Regenerate.
6894         * testsuite/no_version_test.c: New file.
6895         * testsuite/no_version_test.sh: Ditto.
6896
6897 2009-10-16  Doug Kwan  <dougkwan@google.com>
6898
6899         * expression.cc (class Segment_start_expression): New class definition.
6900         (Segment_start_expression::value): New method definition.
6901         (script_exp_function_segment_start): Return a new
6902         Segment_start_expression.
6903         * gold/script-c.h (script_saw_segment_start_expression): New function
6904         prototype.
6905         * script-sections.cc (Script_sections::Script_sections): Initialize
6906         SAW_SEGMENT_START_EXPRESSION_ to false.
6907         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6908         and -Tbbs options to specify section addresses if given in
6909         command line and no SEGMENT_START expression is seen in a script.
6910         * script-sections.h (Script_sections::saw_segment_start_expression,
6911         Script_sections::set_saw_segment_start_expression): New method
6912         definition.
6913         (Script_sections::saw_segment_start_expression_): New data member
6914         declaration.
6915         * script.cc (script_saw_segment_start_expression): New function.
6916         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6917         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6918         script_test_7.sh and script_test_8.sh.
6919         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6920         script_test_8.stdout.
6921         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6922         (script_test_6, script_test_6.stdout, script_test_7,
6923         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6924         * Makefile.in: Regenerate.
6925         * testsuite/script_test_6.sh: New file.
6926         * testsuite/script_test_6.t: Same.
6927         * testsuite/script_test_7.sh: Same.
6928         * testsuite/script_test_7.t: Same.
6929         * testsuite/script_test_8.sh: Same.
6930
6931 2009-10-16  Doug Kwan  <dougkwan@google.com>
6932
6933         * output.cc (Output_segment::set_section_list_address): Cast
6934         expressions to unsigned long long type to avoid format warnings.
6935
6936 2009-10-15  Ian Lance Taylor  <iant@google.com>
6937
6938         * script.cc (Script_options::add_symbol_assignment): Always add a
6939         dot assignment to script_sections_.
6940         * script-sections.cc (Script_sections::add_dot_assignment):
6941         Initialize if necessary.
6942
6943         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6944         program headers with no load segment if there is a linker script.
6945
6946         * layout.cc (Layout::set_segment_offsets): Align the file offset
6947         to the segment aligment for -N or -n with no load segment.
6948         * output.cc (Output_segment::add_output_section): Don't crash if
6949         the first section is a TLS section.
6950         (Output_segment::set_section_list_addresses): Print an error
6951         message if the address moves backward in a linker script.
6952         * script-sections.cc
6953         (Output_section_element_input::set_section_addresses): Don't
6954         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6955         (Orphan_output_section::set_section_addresses): Likewise.
6956
6957 2009-10-15  Doug Kwan  <dougkwan@google.com>
6958
6959         * layout.cc (Layout::finish_dynamic_section): Generate tags
6960         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6961         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6962         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6963
6964 2009-10-14  Ian Lance Taylor  <iant@google.com>
6965
6966         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6967         fields.
6968         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6969         data_shdr fields of relinfo.
6970         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6971         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6972         R_386_TLS_LDO_32, adjust based on section flags.
6973         (Target_i386::Relocate::fix_up_ldo): Remove.
6974
6975 2009-10-13  Ian Lance Taylor  <iant@google.com>
6976
6977         Add support for -pie.
6978         * options.h (class General_options): Add -pie and
6979         --pic-executable.
6980         (General_options::output_is_position_independent): Test -pie.
6981         (General_options::output_is_executable): Return true if not shared
6982         and not relocatable.
6983         (General_options::output_is_pie): Remove.
6984         * options.cc (General_options::finalize): Reject incompatible uses
6985         of -pie.
6986         * gold.cc (queue_middle_tasks): A -pie link is not static.
6987         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6988         * symtab.cc (Symbol::final_value_is_known): Return false if
6989         output_is_position_independent.
6990         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6991         output_is_position_independent.
6992         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6993         output_is_position_independent.
6994         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6995         output_is_position_independent.
6996         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6997         two_file_pie_test.
6998         (basic_pie_test.o, basic_pie_test): New targets.
6999         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7000         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7001         (two_file_pie_test): New target.
7002         * testsuite/Makefile.in: Rebuild.
7003         * README: Remove note saying that -pie is not supported.
7004
7005 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7006
7007         * options.h (class General_options): Add -init and -fini.
7008         * layout.cc (Layout::finish_dynamic_section): Emit
7009         given init and fini functions.
7010
7011 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7012
7013         * gc.h (gc_process_relocs): Check if icf is enabled using new
7014         function.
7015         * gold.cc (queue_initial_tasks): Likewise.
7016         (queue_middle_tasks): Likewise.
7017         * object.cc (do_layout): Likewise.
7018         * symtab.cc (is_section_folded): Likewise.
7019         * main.cc (main): Likewise.
7020         * reloc.cc (Read_relocs::run): Likewise.
7021         (Sized_relobj::do_scan_relocs): Likewise.
7022         * icf.cc (is_function_ctor_or_dtor): New function.
7023         (Icf::find_identical_sections): Check if function is ctor or dtor when
7024         safe icf is chosen.
7025         * options.h (General_options::icf): Change option to be an enum.
7026         (Icf_status): New enum.
7027         (icf_enabled): New method.
7028         (icf_safe_folding): New method.
7029         (set_icf_status): New method.
7030         (icf_status_): New variable.
7031         * (options.cc) (General_options::finalize): Set icf_status_.
7032         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7033         icf_test and icf_keep_unique_test to use the --icf enum flag.
7034         * testsuite/icf_safe_test.sh: New file.
7035         * testsuite/icf_safe_test.cc: New file.
7036
7037 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7038
7039         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7040         includes to gc.h and icf.h.
7041         * arm.cc: Include gc.h.
7042         * gold.cc: Likewise.
7043         * i386.cc: Likewise.
7044         * powerpc.cc: Likewise.
7045         * sparc.cc: Likewise.
7046         * x86_64.cc: Likewise.
7047         * gc.h: Include icf.h.
7048
7049 2009-10-11  Ian Lance Taylor  <iant@google.com>
7050
7051         * plugin.cc: Include "gold.h" before other header files.
7052
7053 2009-10-10  Chris Demetriou  <cgd@google.com>
7054
7055         * options.h (Input_file_argument::Input_file_type): New enum.
7056         (Input_file_argument::is_lib_): Replace with...
7057         (Input_file_argument::type_): New member.
7058         (Input_file_argument::Input_file_argument): Take Input_file_type
7059         'type' rather than boolean 'is_lib' as second argument.
7060         (Input_file_argument::is_lib): Use type_.
7061         (Input_file_argument::is_searched_file): New function.
7062         (Input_file_argument::may_need_search): Handle is_searched_file.
7063         * options.cc (General_options::parse_library): Support -l:filename.
7064         (General_options::parse_just_symbols): Update for Input_file_argument
7065         changes.
7066         (Command_line::process): Likewise.
7067         * archive.cc (Archive::get_file_and_offset): Likewise.
7068         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7069         * script.cc (read_script_file, script_add_file): Likewise.
7070         * fileread.cc (Input_file::Input_file): Likewise.
7071         (Input_file::will_search_for): Handle is_searched_file.
7072         (Input_file::open): Likewise.
7073         * readsyms.cc (Read_symbols::get_name): Likewise.
7074         * testsuite/Makefile.am (searched_file_test): New test.
7075         * testsuite/Makefile.in: Regenerate.
7076         * testsuite/searched_file_test.cc: New file.
7077         * testsuite/searched_file_test_lib.cc: New file.
7078
7079 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7080             Ian Lance Taylor  <iant@google.com>
7081
7082         * descriptor.cc: Include <cstdio> and "binary-io.h".
7083         (Descriptors::open): Open the files in binary mode always.
7084         * script.cc (Lex::get_token): Treat \r as whitespace.
7085
7086 2009-10-09  Ian Lance Taylor  <iant@google.com>
7087
7088         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7089
7090 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7091             Ian Lance Taylor  <iant@google.com>
7092
7093         * configure.ac: Check for readv function also.
7094         * fileread.cc (readv): Define if not HAVE_READV.
7095         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7096         does not exist.
7097         * config.in: Regenerate.
7098         * configure: Regenerate.
7099
7100 2009-10-09  Doug Kwan  <dougkwan@google.com>
7101
7102         * layout.cc (Layout::make_output_section): Call target hook to make
7103         ordinary output section.
7104         (Layout::finalize): Adjust parameter list of call the
7105         Target::may_relax().
7106         * layout.h (class Layout::section_list): New method.
7107         * merge.h (Output_merge_base::entsize): Change visibility to public.
7108         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7109         New methods.
7110         (Output_merge_string::do_is_string): New method.
7111         * object.cc (Sized_relobj::do_setup): renamed from
7112         Sized_relobj::set_up.
7113         * object.h (Sized_relobj::adjust_shndx,
7114         Sized_relobj::initializ_input_to_output_maps,
7115         Sized_relobj::free_input_to_output_maps): Change visibilities to
7116         protected.
7117         (Sized_relobj::setup): Virtualize.
7118         (Sized_relobj::do_setup): New method declaration.
7119         (Sized_relobj::invalidate_section_offset,
7120         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7121         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7122         * options.cc (parse_int): New function.
7123         * options.h (parse_int): New declaration.
7124         (DEFINE_int): New macro.
7125         (stub_group_size): New option.
7126         * output.cc (Output_section::Output_section): Initialize memebers
7127         merge_section_map_, merge_section_by_properties_map_,
7128         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7129         (Output_section::add_input_section): Handled deferred code-fill
7130         generation and remove an old comment.
7131         (Output_section::add_relaxed_input_section): New method definition.
7132         (Output_section::add_merge_input_section): Use merge section by
7133         properties map to speed to search.  Update merge section maps
7134         as appropriate.
7135         (Output_section::build_relaxation_map): New method definition.
7136         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7137         Same.
7138         (Output_section::relax_input_section): Renamed to
7139         Output_section::convert_input_sections_to_relaxed_sections and change
7140         interface to take a vector of pointers to relaxed sections.
7141         (Output_section::find_merge_section,
7142         Output_section::find_relaxed_input_section): New method definitions.
7143         (Output_section::is_input_address_mapped,
7144         Output_section::output_offset, Output_section::output_address):
7145         Use output section data maps to speed up searching.
7146         (Output_section::find_starting_output_address): Add comments.
7147         (Output_section::do_write,
7148         Output_section::write_to_postprocessing_buffer): Do code-fill
7149         generation as appropriate.
7150         (Output_section::get_input_sections): Invalidate relaxed input section
7151         map.
7152         (Output_section::restore_states): Adjust type of checkpoint .
7153         Invalidate relaxed input section map.
7154         * output.h (Output_merge_base): New class declaration.
7155         (Input_section_specifier): New class defintion.
7156         (class Output_relaxed_input_section) Change base class to
7157         Output_section_data_build.
7158         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7159         base class initializer.
7160         (Output_section::add_relaxed_input_section): New method declaration.
7161         (Output_section::Input_section): Change visibility to protected.
7162         (Output_section::Input_section::relobj,
7163         Output_section::Input_section::shndx): Handle relaxed input sections.
7164         Output_section::input_sections) Change visibility to protected.  Also
7165         define overload to return a non-const pointer.
7166         (Output_section::Merge_section_properties): New class defintion.
7167         (Output_section::Merge_section_by_properties_map,
7168         Output_section::Output_section_data_by_input_section_map,
7169         Output_section::Relaxation_map): New types.
7170         (Output_section::relax_input_section): Rename method to
7171         Output_section::convert_input_sections_to_relaxed_sections and change
7172         interface to take a vector of relaxed section pointers.
7173         (Output_section::find_merge_section,
7174         Output_section::find_relaxed_input_section,
7175         Output_section::build_relaxation_map,
7176         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7177         New method declarations.
7178         (Output_section::merge_section_map_
7179         Output_section::merge_section_by_properties_map_,
7180         Output_section::relaxed_input_section_map_,
7181         Output_section::is_relaxed_input_section_map_valid_,
7182         Output_section::generate_code_fills_at_write_): New data members.
7183         * script-sections.cc
7184         (Output_section_element_input::set_section_addresses): Call
7185         current_data_size and addralign methods of relaxed input sections.
7186         (Orphan_output_section::set_section_addresses): Call current_data_size
7187         and addralign methods of relaxed input sections.
7188         * symtab.cc (Symbol_table::compute_final_value): Extract template
7189         from the body of Symbol_table::sized_finalize_symbol.
7190         (Symbol_table::sized_finalized_symbol): Call
7191         Symbol_table::compute_final_value.
7192         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7193         (Symbol_table::compute_final_value): New templated method declaration.
7194         * target.cc (Target::do_make_output_section): New method defintion.
7195         * target.h (Target::make_output_section): New method declaration.
7196         (Target::relax): Add more parameters for input objects, symbol table
7197         and layout.  Adjust call to do_relax.
7198         (Target::do_make_output_section): New method declaration.
7199         (Target::do_relax): Add parameters for input objects, symbol table
7200         and layout.
7201
7202 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7203
7204         * pread.c: Include stdio.h.
7205
7206 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7207
7208         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7209         defined.
7210
7211 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7212
7213         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7214         Change read_shndx type to unsigned int.
7215         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7216         int.
7217         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7218         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7219         Change read_shndx type to unsigned int.
7220         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7221         int.
7222         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7223         * layout.cc (Layout::create_symtab_sections): Cast the result of
7224         local_symcount * symsize to off_t in the gold_assert.
7225
7226 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7227
7228         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7229         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7230         R_ARM_BASE_ABS.
7231         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7232         (Arm_relocate_functions::thm_abs5): New function.
7233         (Arm_relocate_functions::abs12): New function.
7234         (Arm_relocate_functions::abs16): New function.
7235         (Arm_relocate_functions::base_abs): New function.
7236         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7237         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7238         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7239         R_ARM_BASE_ABS.
7240         (Scan::global): Likewise.
7241         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7242         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7243         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7244         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7245         R_ARM_BASE_ABS.
7246
7247 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7248
7249         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7250         (Arm_relocate_functions::movt_prel): New function.
7251         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7252         (Arm_relocate_functions::thm_movt_prel): New function.
7253         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7254         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7255         (Scan::global, Relocate::relocate): Likewise.
7256         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7257
7258 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7259
7260         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7261         Incremental_checker.
7262         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7263         unsigned int.
7264         (class Incremental_inputs_header): New class.
7265         (Incremental_inputs_header_writer): Edit comment.
7266         (Incremental_inputs_entry): New class.
7267         (Incremental_inputs_entry_writer): Edit comment.
7268         (Sized_incremental_binary::do_find_incremental_inputs_section):
7269         Add *strtab_shndx parameter, fill it.
7270         (Sized_incremental_binary::do_check_inputs): New method.
7271         (Incremental_checker::can_incrementally_link_output_file): Use
7272         Sized_incremental_binary::check_inputs.
7273         (Incremental_inputs::report_command_line): Save command line in
7274         command_line_.
7275         * incremental.h:
7276         (Incremental_binary::find_incremental_inputs_section): New
7277         method.
7278         (Incremental_binary::do_find_incremental_inputs_section): Add
7279         strtab_shndx parameter.
7280         (Incremental_binary::do_check_inputs): New pure virtual method.
7281         (Sized_incremental_binary::do_check_inputs): Declare.
7282         (Incremental_checker::Incremental_checker): Add incremental_inputs
7283         parameter, use it to initialize incremental_inputs_.
7284         (Incremental_checker::incremental_inputs_): New field.
7285         (Incremental_checker::command_line): New method.
7286         (Incremental_checker::inputs): New method.
7287         (Incremental_checker::command_line_): New field.
7288
7289 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7290
7291         * incremental.cc: Include <cstdarg> and "target-select.h".
7292         (vexplain_no_incremental): New function.
7293         (explain_no_incremental): New function.
7294         (Incremental_binary::error): New method.
7295         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7296         method.
7297         (make_sized_incremental_binary): New function.
7298         (open_incremental_binary): New function.
7299         (can_incrementally_link_file): Add checks if output is ELF and has
7300         inputs section.
7301         * incremental.h: Include "elfcpp_file.h" and "output.h".
7302         (Incremental_binary): New class.
7303         (Sized_incremental_binary): New class.
7304         (open_incremental_binary): Declare.
7305         * object.cc (is_elf_object): Use
7306         elfcpp::Elf_recognizer::is_elf_file.
7307         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7308         * output.h (Output_file::filesize): New method.
7309
7310 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7311
7312         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7313         New function.
7314         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7315         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7316         function.
7317         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7318         function.
7319         (Arm_relocate_functions::movw_abs_nc): New function.
7320         (Arm_relocate_functions::movt_abs): New function.
7321         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7322         (Arm_relocate_functions::thm_movt_abs): New function.
7323         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7324         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7325         (Scan::global): Likewise.
7326         (Relocate::relocate): Likewise.
7327         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7328
7329 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7330
7331         * arm.cc (Arm_relocate_functions::got_prel) New function.
7332         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7333         (Relocate::relocate): Likewise.
7334         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7335
7336 2009-10-06  Ian Lance Taylor  <iant@google.com>
7337
7338         * options.h (class General_options): Define
7339         split_stack_adjust_size parameter.
7340         * object.h (class Object): Add uses_split_stack_ and
7341         has_no_split_stack_ fields.  Add uses_split_stack and
7342         has_no_split_stack accessor functions.  Declare
7343         handle_split_stack_section.
7344         (class Reloc_symbol_changes): Define.
7345         (class Sized_relobj): Define Function_offsets.  Declare
7346         split_stack_adjust, split_stack_adjust_reltype, and
7347         find_functions.
7348         * object.cc (Object::handle_split_stack_section): New function.
7349         (Sized_relobj::do_layout): Call handle_split_stack_section.
7350         * dynobj.cc (Sized_dynobj::do_layout): Call
7351         handle_split_stack_section.
7352         * reloc.cc (Sized_relobj::relocate_sections): Call
7353         split_stack_adjust for executable sections in split_stack
7354         objects.  Pass reloc_map to relocate_section.
7355         (Sized_relobj::split_stack_adjust): New function.
7356         (Sized_relobj::split_stack_adjust_reltype): New function.
7357         (Sized_relobj::find_functions): New function.
7358         * target-reloc.h: Include "object.h".
7359         (relocate_section): Add reloc_symbol_changes parameter.  Change
7360         all callers.
7361         * target.h (class Target): Add calls_non_split method.  Declare
7362         do_calls_non_split virtual method.  Declare match_view and
7363         set_view_to_nop.
7364         * target.cc: Include "elfcpp.h".
7365         (Target::do_calls_non_split): New function.
7366         (Target::match_view): New function.
7367         (Target::set_view_to_nop): New function.
7368         * gold.cc (queue_middle_tasks): Give an error if mixing
7369         split-stack and non-split-stack objects with -r.
7370         * i386.cc (Target_i386::relocate_section): Add
7371         reloc_symbol_changes parameter.
7372         (Target_i386::do_calls_non_split): New function.
7373         * x86_64.cc (Target_x86_64::relocate_section): Add
7374         reloc_symbol_changes parameter.
7375         (Target_x86_64::do_calls_non_split): New function.
7376         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7377         parameter.
7378         * powerpc.cc (Target_powerpc::relocate_section): Add
7379         reloc_symbol_changes parameter.
7380         * sparc.cc (Target_sparc::relocate_section): Add
7381         reloc_symbol_changes parameter.
7382         * configure.ac: Call AM_CONDITIONAL for the default target.
7383         * configure: Rebuild.
7384         * testsuite/Makefile.am (TEST_AS): New variable.
7385         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7386         (check_DATA): Add split_i386 and split_x86_64 files.
7387         (SPLIT_DEFSYMS): Define.
7388         (split_i386_[1234n].o): New targets.
7389         (split_i386_[124]): New targets.
7390         (split_i386_[1234r].stdout): New targets.
7391         (split_x86_64_[1234n].o): New targets.
7392         (split_x86_64_[124]): New targets.
7393         (split_x86_64_[1234r].stdout): New targets.
7394         (MOSTLYCLEANFILES): Add new executables.
7395         * testsuite/split_i386.sh: New file.
7396         * testsuite/split_x86_64.sh: New file.
7397         * testsuite/split_i386_1.s: New file.
7398         * testsuite/split_i386_2.s: New file.
7399         * testsuite/split_i386_3.s: New file.
7400         * testsuite/split_i386_4.s: New file.
7401         * testsuite/split_i386_n.s: New file.
7402         * testsuite/split_x86_64_1.s: New file.
7403         * testsuite/split_x86_64_2.s: New file.
7404         * testsuite/split_x86_64_3.s: New file.
7405         * testsuite/split_x86_64_4.s: New file.
7406         * testsuite/split_x86_64_n.s: New file.
7407         * testsuite/testfile.cc (Target_test): Update relocation_section
7408         function.
7409         * testsuite/Makefile.in: Rebuild.
7410
7411 2009-10-06  Ian Lance Taylor  <iant@google.com>
7412
7413         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7414         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7415         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7416         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7417         the address on ldo_addrs_.
7418         (Target_i386::Relocate::fix_up_ldo): New function.
7419
7420 2009-10-06   Rafael Espindola  <espindola@google.com>
7421
7422         * plugin.cc (add_input_library): New.
7423         (Plugin::load): Add add_input_library to tv.
7424         (Plugin_manager::add_input_file): Add the is_lib argument.
7425         (add_input_file): Update call to Plugin_manager::add_input_file.
7426         (add_input_library): New.
7427         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7428
7429 2009-09-30  Doug Kwan  <dougkwan@google.com>
7430
7431         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7432         symbol and call Symbol::may_need_copy_reloc to determine if
7433         a copy reloc is needed.
7434         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7435         nocopyreloc is given in command line.
7436         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7437         given in command line.
7438         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7439         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7440         of the removed Target_i386::may_need_copy_reloc.
7441         * options.h (copyreloc): New option with default value false.
7442         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7443         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7444         instead of the removed Target_powerpc::may_need_copy_reloc.
7445         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7446         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7447         instead of the removed Target_sparc::may_need_copy_reloc.
7448         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7449         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7450         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7451         instead of the removed Target_x86_64::may_need_copy_reloc.
7452
7453 2009-09-30  Ian Lance Taylor  <iant@google.com>
7454
7455         * object.h (class Object): Remove target_ field, and target,
7456         sized_target, and set_target methods.
7457         (Object::sized_target): Remove.
7458         (class Sized_relobj): Update declarations.  Remove sized_target.
7459         * object.cc (Sized_relobj::setup): Remove target parameter.
7460         Change all callers.
7461         (Input_objects::add_object): Don't do anything with the target.
7462         (make_elf_sized_object): Add punconfigured parameter.  Change all
7463         callers.  Set or test parameter target.
7464         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7465         Change all callers.
7466         * parameters.cc (Parameters::set_target): Change parameter type to
7467         be non-const.
7468         (Parameters::default_target): Remove.
7469         (set_parameters_target): Change parameter type to be non-const.
7470         (parameters_force_valid_target): New function.
7471         (parameters_clear_target): New function.
7472         * parameters.h (class Parameters): Update declarations.  Remove
7473         default_target method.  Add sized_target and clear_target
7474         methods.  Change target_ to be non-const.
7475         (set_parameters_target): Update declaration.
7476         (parameters_force_valid_target): Declare.
7477         (parameters_clear_target): Declare.
7478         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7479         as NULL if we aren't searching.
7480         (Add_symbols::run): Don't check for compatible target.
7481         * fileread.cc (Input_file::open_binary): Call
7482         parameters_force_valid_target.
7483         * gold.cc (queue_middle_tasks): Likewise.
7484         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7485         set_target on object.
7486         * dynobj.h (class Sized_dynobj): Update declarations.
7487         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7488         make_elf_object returns NULL.
7489         (Archive::include_member): Don't check whether object target is
7490         compatible.
7491         * output.cc (Output_section::add_input_section): Get target from
7492         parameters.
7493         (Output_section::relax_input_section): Likewise.
7494         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7495         parameters.
7496         (Sized_relobj::do_scan_relocs): Likewise.
7497         (Sized_relobj::relocate_sections): Likewise.
7498         * resolve.cc (Symbol_table::resolve): Likewise.
7499         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7500         parameter.  Change all callers.
7501         (Symbol_table::add_from_object): Get target from parameters.
7502         (Symbol_table::add_from_relobj): Don't check object target.
7503         (Symbol_table::add_from_dynobj): Likewise.
7504         (Symbol_table::define_special_symbol): Get target from
7505         parameters.
7506         * symtab.h (class Symbol_table): Update declaration.
7507         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7508         parameter.  Change all callers.  Clear parameter target.
7509         (Binary_test): Test target here.
7510         * testsuite/object_unittest.cc (gold_testsuite): Remove
7511         target_test_pointer parameter.  Change all callers.
7512         (Object_test): Test target here.
7513
7514 2009-09-26  Ian Lance Taylor  <iant@google.com>
7515
7516         * testsuite/initpri1.c: Don't try to use constructor priorities if
7517         compiling with gcc before 4.3.
7518
7519 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7520
7521         * testsuite/retain_symbols_file_test.sh (check_present): Change
7522         output file name to retain_symbols_file_test.stdout.
7523         (check_absent): Likewise.
7524
7525 2009-09-18  Craig Silverstein  <csilvers@google.com>
7526
7527         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7528         * options.cc: Include <cerrno> and <fstream>.
7529         (General_options::finalize): Parse -retain-symbols-file tag.
7530         * options.h: New flag.
7531         (General_options): New method should_retain_symbol, new
7532         variable symbols_to_retain.
7533         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7534         should_retain_symbol map.
7535         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7536         * testsuite/Makefile.in: Regenerate.
7537         * testsuite/retain_symbols_file_test.sh: New file.
7538
7539 2009-09-18  Nick Clifton  <nickc@redhat.com>
7540
7541         * po/es.po: Updated Spanish translation.
7542
7543 2009-09-17  Doug Kwan  <dougkwan@google.com>
7544
7545         * debug.h (DEBUG_RELAXATION): New constant.
7546         (DEBUG_ALL): Add DEBUG_RELAXATION.
7547         (debug_string_to_enum): Add relaxation debug option.
7548         * layout.cc
7549         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7550         Layout::Relaxation_debug_check::read_sections,
7551         Layout::Relaxation_debug_check::read_sections): New method definitions.
7552         (Layout::Layout): Initialize data members
7553         record_output_section_data_from_scrips_,
7554         script_output_section_data_list_ and relaxation_debug_check_.
7555         (Layout::save_segments, Layout::restore_segments,
7556         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7557         Layout::relaxation_loop_body): New method definitions.
7558         (Layout::finalize): Support relaxation.  Move section layout code to
7559         Layout::relaxation_loop_body.
7560         (Layout::set_asection_address_from_script): Move code for orphan
7561         section placement out.
7562         (Layout::place_orphan_sections_in_script): New method definition.
7563         * layout.h (Output_segment_headers, Output_file_header):
7564         New forward class declarations.
7565         (Layout::~Layout): Define.
7566         (Layout::new_output_section_data_from_script): New method definition.
7567         (Layout::place_orphan_sections_in_script): New method declaration.
7568         (Layout::Segment_states): New type declaration.
7569         (Layout::save_segments, Layout::restore_segments,
7570         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7571         Layout::relaxation_loop_body): New method declarations.
7572         (Layout::Output_section_data_list): New type declaration.
7573         (Layout::Relaxation_debug_check): New class definition.
7574         (Layout::record_output_section_data_from_script_,
7575         Layout::script_output_section_data_list_, Layout::segment_states_,
7576         Layout::relaxation_debug_check_): New data members.
7577         * output.cc: (Output_section_headers::do_size): New method definition.
7578         (Output_section_headers::Output_section_headers): Move size
7579         computation to Output_section_headers::do_size.
7580         (Output_segment_headers::do_size): New method definition.
7581         (Output_file_header::Output_file_header): Move size computation to
7582         Output_file_header::do_size and call it.
7583         (Output_file_header::do_size): New method definition.
7584         (Output_data_group::Output_data_group): Adjust call to
7585         Output_section_data.
7586         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7587         (Output_symtab_xindex::do_write): Add array bound check.
7588         (Output_section::Input_section::print_to_mapfile): Handle
7589         RELAXED_INPUT_SECTION_CODE.
7590         (Output_section::Output_section): Initialize data member checkpoint_.
7591         (Output_section::~Output_section): Delete checkpoint object pointed
7592         by checkpoint_.
7593         (Output_section::add_input_section): Always add an Input_section if
7594         relaxing.
7595         (Output_section::add_merge_input_section): Add assert.
7596         (Output_section::relax_input_section): New method definition.
7597         (Output_section::set_final_data_size): Set load address to zero for
7598         an unallocated section.
7599         (Output_section::do_address_and_file_offset_have_reset_values):
7600         New method definition.
7601         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7602         Handle relaxed input section.
7603         (Output_section::sort_attached_input_sections): Checkpoint input
7604         section list lazily.
7605         (Output_section::get_input_sections): Change type of input_sections to
7606         list of Simple_input_section pointers.  Checkpoint input section list
7607         lazily.  Also handle relaxed input sections.
7608         (Output_section::add_input_section_for_script): Take a reference to
7609         a Simple_input_section object instead of Relobj pointer and section
7610         index as parameter.  Handle relaxed input sections.
7611         (Output_section::save_states, Output_section::restore_states): New
7612         method definitions.
7613         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7614         (Output_data::is_data_size_fixed): New method definition.
7615         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7616         if it is fixed.
7617         (Output_data::address_and_file_offset_have_reset_values): New method
7618         definition.
7619         (Output_data::do_address_and_file_offset_have_reset_values): New method
7620         definition.
7621         (Output_data::set_data_size): Check that data size is not fixed.
7622         (Output_data::fix_data_size): New method definition.
7623         (Output_data::is_data_size_fixed_): New data member.
7624         (Output_section_headers::set_final_data_size): New method definition.
7625         (Output_section_headers::do_size): New method declaration.
7626         (Output_segment_headers::set_final_data_size): New method definition.
7627         (Output_segment_headers::do_size): New method declaration.
7628         (Output_file_header::set_final_data_size)::New method definition.
7629         (Output_file_header::do_size)::New method declaration.
7630         (Output_section_data::Output_section_data): Add new parameter
7631         is_data_size_fixed and use it to fix data size.
7632         (Output_data_const::Output_data_const): Adjust call to base class
7633         constructor and fix data size.
7634         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7635         base class constructor and fix data size.
7636         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7637         base class constructor and fix data size.
7638         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7639         class constructor and fix data size.
7640         (Output_data_group::set_final_data_size): New method definition.
7641         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7642         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7643         class constructor and fix data size.
7644         (Output_relaxed_input_section): New class definition.
7645         (Output_section::Simple_input_section): New class definition.
7646         (Output_section::get_input_sections): Adjust parameter list.
7647         (Output_section::add_input_section_for_script): Same.
7648         (Output_section::save_states, Output_section::restore_states,
7649         Output_section::do_address_and_file_offset_have_reset_values,
7650         (Output_section::Input_section::Input_section): Handle
7651         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7652         Output_relaxed_input_section.
7653         (Output_section::Input_section::is_input_section,
7654         Output_section::Input_section::set_output_section): Handle relaxed
7655         input section.
7656         (Output_section::Input_section::is_relaxed_input_section,
7657         Output_section::Input_section::output_section_data,
7658         Output_section::Input_section::relaxed_input_section): New method
7659         definitions.
7660         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7661         value.
7662         (Output_section::Input_section::u1_): Update comments.
7663         (Output_section::Input_section::u2_): Add new union member poris.
7664         (Output_section::Checkpoint_output_section): New classs definition.
7665         (Output_section::relax_input_section): New method declaration.
7666         (Output_section::checkpoint_): New data member.
7667         (Output_segment): Update comments.
7668         (Output_segment::Output_segment): Un-privatize copy constructor.
7669         (Output_segment::operator=): Un-privatize.
7670         * script-sections.cc (Output_section_element::Input_section_list):
7671         Change element type to Output_section::Simple_input_section.
7672         (Output_section_element_dot_assignment::set_section_addresses):
7673         Register output section data for relaxation clean up.
7674         (Output_data_exression::Output_data_expression): Adjust call to base
7675         constructor to fix data size.
7676         (Output_section_element_data::set_section_addresses): Register
7677         Output_data_expression object for relaxation clean up.
7678         (struct Input_section_info): Replace Relobj pointer and section index
7679         pair with Output_section::Simple_input_section and Convert struct to a
7680         class.
7681         (Input_section_sorter::operator()): Adjust access to
7682         Input_section_info data member to use accessors.
7683         (Output_section_element_input::set_section_addresses): Use layout
7684         parameter.  Adjust code to use Output_section::Simple_input_section
7685         and Input_secction_info classes.  Register filler for relaxation
7686         clean up.
7687         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7688         and section index pair with Output_section::Simple_input_section
7689         class.  Adjust code accordingly.
7690         (Phdrs_element::release_segment): New method definition.
7691         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7692         segment list.
7693         (Script_sections::release_segments): New method definition.
7694         * gold/script-sections.h (Script_sections::release_segments): New
7695         method declaration.
7696         * gold/target.h (Target::may_relax, Target::relax,
7697         Target::do_may_relax, Target::do_relax): New method definitions.
7698
7699 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7700
7701         * arm.cc (has_signed_unsigned_overflow): New function.
7702         (Arm_relocate_functions::abs8): New function.
7703         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7704         (Target_arm::Scan::global): Likewise.
7705         (Target_arm::relocate::relocate): Likewise.
7706         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7707         Likewise.
7708
7709 2009-09-16  Cary Coutant  <ccoutant@google.com>
7710
7711         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7712         * testsuite/Makefile.in: Regenerate.
7713
7714 2009-09-11  Nick Clifton  <nickc@redhat.com>
7715
7716         * po/gold.pot: Updated by the Translation project.
7717
7718 2009-09-08  Cary Coutant  <ccoutant@google.com>
7719
7720         * output.cc (Output_file::open): Add execute permission to empty file.
7721         * testsuite/Makefile.am (permission_test): New test.
7722         * testsuite/Makefile.in: Regenerate.
7723
7724 2009-09-02  Ian Lance Taylor  <iant@google.com>
7725
7726         * output.cc (Output_file::resize): Call map_no_anonymous rather
7727         than map.
7728
7729 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7730
7731         * gold.cc: Include "incremental.h".
7732         (queue_initial_tasks): Call Incremental_checker methods.
7733         * incremental.cc: Include "output.h".
7734         (Incremental_checker::can_incrementally_link_output_file): New
7735         method.
7736         * incremental.h (Incremental_checker): New class.
7737
7738         * output.cc (Output_file::open_for_modification): New method.
7739         (Output_file::map_anonymous): Changed return type to bool.  Record
7740         map in base_ field.
7741         (Output_file::map_no_anonymous): New method, broken out of map.
7742         (Output_file::map): Use map_no_anonymous and map_anonymous.
7743         * output.h (class Output_file): Update declarations.
7744
7745 2009-08-24  Cary Coutant  <ccoutant@google.com>
7746
7747         * options.h (Command_line::Pre_options): New class.
7748         (Command_line::pre_options): New member.
7749         * options.cc (gold::options::ready_to_register): New variable.
7750         (One_option::register_option): Do nothing if not registering options.
7751         Assert if same short option registered twice.
7752         (General_options::General_options): Turn off option registration when
7753         done constructing.
7754         (Command_line::Pre_options::Pre_options): New constructor.
7755
7756 2009-08-24  Cary Coutant  <ccoutant@google.com>
7757
7758         * options.h (General_options::no_keep_memory): Remove incorrect
7759         short option.
7760
7761 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7762
7763         * Makefile.am (am__skiplex, am__skipyacc): New.
7764         * Makefile.in: Regenerate.
7765
7766 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7767
7768         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7769         (INCLUDES): ... this.
7770         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7771         (AM_CPPFLAGS): Renamed from ...
7772         (INCLUDE): ... this.
7773         * Makefile.in, testsuite/Makefile.in: Regenerate.
7774
7775         * Makefile.in: Regenerate.
7776         * aclocal.m4: Likewise.
7777         * config.in: Likewise.
7778         * configure: Likewise.
7779         * testsuite/Makefile.in: Likewise.
7780
7781         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7782         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7783         * Makefile.in: Regenerate.
7784         * testsuite/Makefile.in: Regenerate.
7785
7786 2009-08-19  Cary Coutant  <ccoutant@google.com>
7787
7788         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7789         symbols in shared libraries overridden by hidden or internal symbols
7790         in the main program.
7791
7792 2009-08-19  Chris Demetriou  <cgd@google.com>
7793
7794         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7795         checking source file names in error messages.
7796
7797 2009-08-18  Doug Kwan  <dougkwan@google.com>
7798
7799         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7800         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7801         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7802         an elfcpp::Ehdr as parameter.
7803         * object.cc (Object::set_target): Remove the version that looks up
7804         a target and sets it.
7805         (Sized_relobj::setup): Take a Target object instead of
7806         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7807         (make_elf_sized_object): Find target and ask target to
7808         make an ELF object.
7809         * object.h: (Object::set_target): Remove the version that looks up
7810         a target and sets it.
7811         (Sized_relobj::setup): Take a Target object instead of
7812         an elfcpp:Ehdr as parameter.
7813         * target.cc: Include dynobj.h.
7814         (Target::do_make_elf_object_implementation): New.
7815         (Target::do_make_elf_object): New.
7816         * target.h (Target::make_elf_object): New template declaration.
7817         (Target::do_make_elf_object): New method declarations.
7818         (Target::do_make_elf_object_implementation): New template declaration.
7819
7820 2009-08-14  Ian Lance Taylor  <iant@google.com>
7821
7822         * gold.h (FUNCTION_NAME): Define.
7823         (gold_unreachable): Use FUNCTION_NAME.
7824
7825 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7826
7827         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7828         symbol in the --keep-unique list is not found.
7829
7830 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7831
7832         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7833         been maked as --keep-unique.
7834         (Icf::unfold_section): New function.
7835         * icf.h (Icf::unfold_section): New function.
7836         * options.h (General_options::keep_unique): New option.
7837         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7838         * testsuite/Makefile.in: Regenerate.
7839         * testsuite/icf_keep_unique_test.sh: New file.
7840         * testsuite/icf_keep_unique_test.cc: New file.
7841
7842 2009-08-12  Cary Coutant  <ccoutant@google.com>
7843
7844         PR 10471
7845         * resolve.cc (Symbol_table::resolve): Check for references from
7846         dynamic objects to hidden and internal symbols.
7847         * testsuite/Makefile.am (hidden_test.sh): New test.
7848         * testsuite/Makefile.in: Regenerate.
7849         * testsuite/hidden_test.sh: New script.
7850         * testsuite/hidden_test_1.c: New test source.
7851         * testsuite/hidden_test_main.c: New test source.
7852
7853 2009-08-11  Doug Kwan  <dougkwan@google.com>
7854
7855         * arm.cc: Update comments.
7856         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7857         segment to locate the .ARM.exidx section if present.
7858
7859 2009-08-09  Doug Kwan  <dougkwan@google.com>
7860
7861         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7862         patch.
7863
7864 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7865         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7866         compiler warnings.
7867
7868 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7869
7870         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7871         valid tls_segment only for non-debug-section relocations.
7872         * testsuite/Makefile.am: Add gc_tls_test.
7873         * testsuite/Makefile.in: Regenerate.
7874         * testsuite/gc_tls_test.cc: New file.
7875         * testsuite/gc_tls_test.sh: New file.
7876
7877 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7878
7879         * icf.cc: New file.
7880         * icf.h: New file.
7881         * Makefile.am (CCFILES): Add icf.cc.
7882         (HFILES): Add icf.h
7883         * Makefile.in: Regenerate.
7884         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7885         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7886         section, symbol and addend information for the relocs.
7887         * gold.cc (queue_middle_tasks): Call identical code folding.
7888         * gold.h: Add defines for multimap.
7889         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7890         to the call of finalize_local_symbols.
7891         * main.cc (main): Create object of class Icf.
7892         * object.cc (Sized_relobj::do_layout): Allow this function to be
7893         called twice during icf.
7894         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7895         to sections marked as identical by icf.
7896         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7897         when available.
7898         (Sized_relobj::do_section_entsize): New function.
7899         * object.h (Object::section_entsize): New function.
7900         (Object::do_section_entsize): New pure virtual function.
7901         (Relobj::finalize_local_symbols): Add new parameter.
7902         (Relobj::do_section_entsize): New function.
7903         * options.h (General_options::icf): New option.
7904         (General_options::icf_iterations): New option.
7905         (General_options::print_icf_sections): New option.
7906         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7907         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7908         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7909         icf.
7910         * symtab.cc (Symbol_table::is_section_folded): New function.
7911         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7912         to sections marked as identical by icf.
7913         * symtab.h (Symbol_table::set_icf): New function.
7914         (Symbol_table::icf): New function.
7915         (Symbol_table::is_section_folded): New function.
7916         (Symbol_table::icf_): New data member.
7917         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7918         * testsuite/Makefile.am: Add commands to build icf_test.
7919         * testsuite/Makefile.in: Regenerate.
7920         * testsuite/icf_test.sh: New file.
7921         * testsuite/icf_test.cc: New file.
7922
7923 2009-07-24  Chris Demetriou  <cgd@google.com>
7924
7925         * layout.cc (is_compressible_debug_section): Fix incorrect
7926         comment about compressed section names.
7927
7928 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7929
7930         PR 10419
7931         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7932
7933 2009-07-16  Ian Lance Taylor  <iant@google.com>
7934
7935         PR 10400
7936         * layout.h: #include <map>.
7937         (class Kept_section): Change from struct to class.  Add accessors
7938         and setters.  Add section size to Comdat_group mapping.  Change
7939         Comdat_group to std::map.  Add is_comdat_ field.  Add
7940         linkonce_size field in union.
7941         (class Layout): Update declaration of find_or_add_kept_section.
7942         Don't declare find_kept_object.
7943         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7944         parameter.  Add object, shndx, is_comdat, and is_group_name
7945         parameters.  Change all callers.  Adjust for new Kept_section.
7946         (Layout::find_kept_object): Remove.
7947         * object.cc (Sized_relobj::include_section_group): Update use of
7948         Kept_section.  Rename secnum to shndx.  Only record
7949         Kept_comdat_section if sections are the same size.
7950         (Sized_relobj::include_linkonce_section): Update use of
7951         Kept_section.  Only record Kept_comdat_section if sections are the
7952         same size.  Set size of linkonce section.
7953         (Sized_relobj::map_to_kept_section): Update call to
7954         get_kept_comdat_section.
7955         * object.h (class Sized_relobj): Rename fields in
7956         Kept_comdat_section to drop trailing underscores; change object
7957         field to Relobj*.  Change Kept_comdat_section_table to store
7958         struct rather than pointer.
7959         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7960         Add kept_object and kept_shndx parameters.  Change all callers.
7961         (Sized_relobj::get_kept_comdat_section): Change return type to
7962         bool.  Add kept_object and kept_shndx parameters.  Change all
7963         callers.
7964         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7965         Layout::find_or_add_kept_section.
7966
7967 2009-07-09  Ian Lance Taylor  <iant@google.com>
7968
7969         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7970         Reserve space in the hash table.
7971
7972 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7973
7974         * fileread.cc (File_read::get_mtime): New method.
7975         * fileread.h (Timespec): New structure.
7976         (File_read::get_mtime): New method.
7977         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7978         Renamed from timestamp_nsec.
7979         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7980         Elf_Xword.
7981         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7982         timestamp_nsec.
7983         (Incremental_inputs::report_archive): Save mtime; style fix.
7984         (Incremental_inputs::report_obejct): Save mtime; style fix.
7985         (Incremental_inputs::report_script): Save mtime; style fix.
7986         (Incremental_inputs::finalize_inputs): Style fix.
7987         (Incremental_inputs::finalize): Style fix.
7988         (Incremental_inputs::create_input_section_data): Store inputs
7989         mtime.
7990         * incremental.h (Incremental_inputs::report_script): Add mtime
7991         argument.
7992         (Incremental_inputs::Input_info::Input_info): Intialize only one
7993         union member.
7994         (Incremental_inputs::Input_info::archive): Move to nameless
7995         union.
7996         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7997         (Incremental_inputs::Input_info::script): Move to nameless union.
7998         (Incremental_inputs::mtime): New field.
7999         * script.cc (read_input_script): Pass file mtime to
8000         Incremental_input.
8001         * script.h (Script_info::inputs): Style fix.
8002
8003 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8004
8005         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8006         instead of 32.
8007
8008 2009-06-24  Ian Lance Taylor  <iant@google.com>
8009
8010         PR 10156
8011         * layout.cc (Layout::choose_output_section): If we find an
8012         existing section, update the flags.
8013         (Layout::create_notes): New function, broken out of
8014         Layout::finalize.
8015         (Layout::finalize): Don't create note sections.
8016         (Layout::create_note): Don't crash if linker script discards
8017         section.
8018         (Layout::create_gold_note): Likewise.
8019         (Layout::create_build_id): Likewise.  Don't set
8020         after_input_sections on the section.
8021         (Layout::create_executable_stack_info): Remove target parameter.
8022         Change caller.
8023         * layout.h (class Layout): Declare create_notes.  Update
8024         declaration of create_executable_stack_info.
8025         * gold.cc (queue_middle_tasks): Call create_notes.
8026         * output.cc (Output_section::update_flags_for_input_section): Move
8027         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8028         invalid.
8029         * output.h (Output_data::mark_address_invalid): New function.
8030         (class Output_section): Only declare, not define,
8031         update_flags_for_input_section.  Remove set_flags.
8032
8033 2009-06-24  Ian Lance Taylor  <iant@google.com>
8034
8035         * script-sections.cc (Output_section_definition::
8036         set_section_addresses): Rename shadowing local load_address to
8037         laddr.
8038
8039 2009-06-24  Ian Lance Taylor  <iant@google.com>
8040
8041         PR 10244
8042         * reloc.cc (relocate_sections): Skip empty relocation sections.
8043
8044 2009-06-23  Ian Lance Taylor  <iant@google.com>
8045
8046         PR 10156
8047         * layout.cc (Layout::create_note): Use choose_output_section
8048         rather than make_output_section.
8049
8050 2009-06-23  Ian Lance Taylor  <iant@google.com>
8051
8052         PR 10237
8053         * options.cc (General_options::parse_V): Set printed_version_.
8054         (General_options::General_options): Initialize printed_version_.
8055         * options.h (class General_options): Add printed_version_ field.
8056         * gold.cc (queue_initial_tasks): If there are no input files,
8057         don't give a fatal error if we printed the version information.
8058         (queue_middle_tasks): If using -r with a shared object, give a
8059         fatal error rather than an ordinary error.
8060
8061 2009-06-23  Ian Lance Taylor  <iant@google.com>
8062
8063         PR 10219
8064         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8065         (Layout::make_output_section): Set have_stabstr_section_ if we see
8066         a .stab*str section.
8067         (Layout::finalize): Call link_stabs_sections.
8068         (Layout::link_stabs_sections): New file.
8069         * layout.h (class Layout): Add have_stabstr_section_ field.
8070         Declare link_stabs_sections.
8071
8072 2009-06-23  Doug Kwan  <dougkwan@google.com>
8073
8074         * Makefile.am (libgold_a_LIBADD): New.
8075         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8076         * Makefile.in: Regenerate.
8077         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8078         * configure: Regenerate.
8079         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8080         * fileread.cc: Include sys/state.h
8081         * gold.h: Declare memmem and strndup if found missing.
8082         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8083
8084 2009-06-23  Ian Lance Taylor  <iant@google.com>
8085
8086         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8087         * configure: Rebuild.
8088
8089 2009-06-23  Ian Lance Taylor  <iant@google.com>
8090
8091         PR 10147
8092         * object.cc (Object::section_contents): Don't try to get a view if
8093         the section has length zero.
8094         (Object::handle_gnu_warning_section): If the section is empty, use
8095         the name of the section as the warning.
8096
8097 2009-06-23  Ian Lance Taylor  <iant@google.com>
8098
8099         PR 10133
8100         * stringpool.h (class Stringpool_template): Add optimize_ field.
8101         (Stringpool_template::set_optimize): New function.
8102         * stringpool.cc (Stringpool_template::Stringpool_template):
8103         Initialize optimize_ field.
8104         (Stringpool_template::set_string_offsets): Test local optimize
8105         fild rather than parameter.
8106         * layout.cc (Layout::Layout): Call set_optimize on the section
8107         name stringpool.
8108
8109 2009-06-22  Ian Lance Taylor  <iant@google.com>
8110
8111         PR 10030
8112         * yyscript.y: Parse TARGET.
8113         * script.cc (script_set_target): New function.
8114         * script-c.h (script_set_target): Declare.
8115         * options.cc (General_options::string_to_object_format): Rename
8116         from string_to_object_format in anonymous namespace.  Change
8117         callers.
8118         * options.h (class General_options): Declare
8119         string_to_object_format.
8120
8121 2009-06-22  Ian Lance Taylor  <iant@google.com>
8122
8123         * script-sections.cc (Script_sections::create_segments): Don't put
8124         program headers in a PT_LOAD segment if -n or -N.
8125
8126 2009-06-22  Ian Lance Taylor  <iant@google.com>
8127
8128         PR 10141
8129         * options.h (class General_options): Add -z lazy and -z now.  Sort
8130         -z options into alphabetical order.
8131         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8132
8133 2009-06-21  Ian Lance Taylor  <iant@google.com>
8134
8135         * layout.cc (Layout::make_output_section): Call
8136         Target::new_output_section.
8137         (Layout::attach_allocated_section_to_segment): Put large section
8138         sections in a separate load segment with the large segment flag
8139         set.
8140         (Layout::segment_precedes): Sort large data segments after other
8141         load segments.
8142         (align_file_offset): New static function.
8143         (Layout::set_segment_offsets): Use align_file_offset.
8144         * output.h (class Output_section): Add is_small_section_ and
8145         is_large_section_ fields.
8146         (Output_section::is_small_section): New function.
8147         (Output_section::set_is_small_section):  New function.
8148         (Output_section::is_large_section): New function.
8149         (Output_section::set_is_large_section): New function.
8150         (Output_section::is_large_data_section): New function.
8151         (class Output_segment): Add is_large_data_segment_ field.
8152         (Output_segment::is_large_data_segment): New function.
8153         (Output_segment::set_is_large_data_segment): New function.
8154         * output.cc (Output_section::Output_section): Initialize new
8155         fields.
8156         (Output_segment::Output_segment): Likewise.
8157         (Output_segment::add_output_section): Add assertion that large
8158         data sections always go in large data segments.  Force small data
8159         sections to the end of the list of data sections.  Force small BSS
8160         sections to the start of the list of BSS sections.  For large BSS
8161         sections to the end of the list of BSS sections.
8162         * symtab.h (class Symbol): Declare is_common_shndx.
8163         (Symbol::is_defined): Check Symbol::is_common_shndx.
8164         (Symbol::is_common): Likewise.
8165         (class Symbol_table): Define enum Commons_section_type.  Update
8166         declarations.  Add small_commons_ and large_commons_ fields.
8167         * symtab.cc (Symbol::is_common_shndx): New function.
8168         (Symbol_table::Symbol_table): Initialize new fields.
8169         (Symbol_table::add_from_object): Put small and large common
8170         symbols in the right list.
8171         (Symbol_table::sized_finalized_symbol): Check
8172         Symbol::is_common_shndx.
8173         (Symbol_table::sized_write_globals): Likewise.
8174         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8175         common symbol lists.  Don't call do_allocate_commons_list if the
8176         list is empty.
8177         (Symbol_table::do_allocate_commons_list): Remove is_tls
8178         parameter.  Add comons_section_type parameter.  Change all
8179         callers.  Handle small and large common symbols.
8180         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8181         Symbol::is_common_shndx.
8182         * resolve.cc (symbol_to_bits): Likewise.
8183         * target.h (Target::small_common_shndx): New function.
8184         (Target::small_common_section_flags): New function.
8185         (Target::large_common_shndx): New function.
8186         (Target::large_common_section_flags): New function.
8187         (Target::new_output_section): New function.
8188         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8189         small_common_section_flags, and large_common_section_flags
8190         fields.
8191         (Target::do_new_output_section): New virtual function.
8192         * arm.cc (Target_arm::arm_info): Initialize new fields.
8193         * i386.cc (Target_i386::i386_info): Likewise.
8194         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8195         Likewise.
8196         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8197         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8198         (Target_x86_64::do_new_output_section): New function.
8199         * configure.ac: Define conditional MCMODEL_MEDIUM.
8200         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8201         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8202         (large_LDFLAGS): Define.
8203         * testsuite/large.c: New file.
8204         * testsuite/testfile.cc (Target_test::test_target_info):
8205         Initialize new fields.
8206         * configure, testsuite/Makefile.in: Rebuild.
8207
8208 2009-06-05  Doug Kwan  <dougkwan@google.com>
8209
8210         * Makefile.am (CCFILES): Add target.cc.
8211         * Makefile.in: Regenerate.
8212         * i386.cc (class Target_i386): Define new virtual method to
8213         override do_is_local_label_name in parent.
8214         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8215         local symbols if --discard-locals or -X is given.
8216         * options.h (class General_options): Declare new options
8217         '--discard-locals' and '-X' for discarding locals.
8218         * target.h (class Target): Define new methods is_local_label_name.
8219         Declare new virtual method do_is_local_label_name.
8220         * target.cc: New file.
8221         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8222         (check_SCRIPTS): Add discard_locals_test.sh.
8223         (check_DATA): Add discard_local_tests.syms.
8224         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8225         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8226         * testsuite/Makefile.in: Regenerate.
8227         * testsuite/discard_locals_test.c: New file.
8228         * testsuite/discard_locals_test.sh: Same.
8229
8230 2009-06-05  Doug Kwan  <dougkwan@google.com>
8231
8232         * object.cc (Sized_relobj::Sized_relobj): Initialize
8233         discarded_eh_frame_shndx_ to -1U.
8234         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8235         section.
8236         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8237         a discarded .eh_frame section.
8238         (Sized_relobj::do_finalize_local_symbols): Ditto.
8239         * object.h (class Sized_relobj): Declare new member
8240         discarded_eh_frame_shndx_.
8241         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8242         (local_labels_test.o, local_labels_test): New rules.
8243         * testsuite/Makefile.in: Regenerate.
8244
8245 2009-06-04  Doug Kwan  <dougkwan@google.com>
8246
8247         * layout.cc (Layout::section_name_mapping): Add mapping for
8248         special ARM sections.
8249
8250 2009-06-03  Doug Kwan  <dougkwan@google.com>
8251
8252         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8253         (utils::has_overflow): Same.
8254
8255 2009-06-03  Ian Lance Taylor  <iant@google.com>
8256
8257         * layout.cc (Layout::section_name_mapping): New array, replacing
8258         Layout::linkonce_mapping.
8259         (Layout::section_name_mapping_count): New variable, replacing
8260         Layout::linkonce_mapping_count.
8261         (Layout::linkonce_output_name): Remove.
8262         (Layout::output_section_name): Rewrite.
8263         * layout.h (class Layout): Rename Linkonce_mapping to
8264         Section_name_mapping, linkonce_mapping to section_name_mapping,
8265         linkonce_mapping_count to section_name_mapping_count.  Don't
8266         declare linkonce_output_name.
8267
8268 2009-06-03  Doug Kwan  <dougkwan@google.com>
8269
8270         * gold/arm.cc (namespace utils): New.
8271         (Target_arm::reloc_is_non_pic): Define new method.
8272         (class Arm_relocate_functions): New.
8273         (Target_arm::Relocate::relocate): Handle relocation types used by
8274         Android.
8275
8276 2009-06-03  Ian Lance Taylor  <iant@google.com>
8277
8278         * arm.cc (Target_arm::scan::global): Use || instead of |.
8279
8280 2009-06-02  Doug Kwan  <dougkwan@google.com>
8281
8282         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8283         issued_non_pic_error_.
8284         (class Target_arm::Scan): Declare new method check_non_pic.
8285         Define new method symbol_needs_plt_entry.
8286         Declare new data member issued_non_pic_error_.
8287         (class Target_arm::Relocate): Declare new method
8288         should_apply_static_reloc.
8289         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8290         (Target_arm::Scan::check_non_pic): Define new method.
8291         (Target_arm::Scan::local): Handle a small subset of reloc types used
8292         by Android.
8293         (Target_arm::Scan::local): Same.
8294         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8295
8296 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8297
8298         * incremental.cc (Incremental_inputs::report_command_line): Filter
8299         out --incremental-* options.
8300
8301 2009-05-29  Doug Kwan  <dougkwan@google.com>
8302
8303         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8304         template class.
8305         (class Target_arm): Update comment.
8306         (Target_arm::Target_arm): Initialize new data members GOT_,
8307         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8308         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8309         and Target_arm::rel_dyn_section.
8310         Declare new_enum Target_arm::Got_type.
8311         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8312         and DYNBSS_.
8313         Update commments for member do_dynsym_value.
8314         (Target_arm::got_size, Target_arm::plt_section,
8315         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8316         new methods inside class defintion.
8317         (Target_arm::got_section): Define new method.
8318         (Target_arm::rel_dyn_section): Same.
8319         (Output_data_plt_arm): New template class.
8320         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8321         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8322         (Output_data_plt_arm::add_entry): Same.
8323         (Output_data_plt_arm::first_plt_entry): Define new
8324         static data member for PLT instruction template.
8325         (Output_data_plt_arm::plt_entry): Same.
8326         (Output_data_plt_arm::do_write): Define new method.
8327         (Target_arm::make_plt_entry): Same.
8328         (Target_arm::do_finalize_sections): Same.
8329         (Target_arm::do_dynsym_value): Same.
8330
8331 2009-05-28  Doug Kwan  <dougkwan@google.com>
8332
8333         * Makefile.am (TARGETSOURCES): Add arm.cc.
8334         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8335         * Makefile.in: Regenerate.
8336         * arm.cc: New file.
8337         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8338
8339 2009-05-26  Doug Kwan  <dougkwan@google.com>
8340
8341         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8342         (General_options::check_excluded_libs): Strip off directories in
8343         archive name before matching like GNU ld does.
8344         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8345         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8346         (exclude_libs_test_LDFLAGS): Add linker option
8347         -Wl,--exclude-libs,libexclude_libs_test_3
8348         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8349         an explicit archive without using -l.
8350         (alt/libexclude_libs_test_3.a): New make rule.
8351         * testsuite/Makefile.in: Regenerate.
8352         * testsuite/exclude_libs_test.c : Declare lib3_default().
8353         (main): Call it.
8354         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8355         * exclude_libs_test_3.c: New file.
8356
8357 2009-05-26  Nick Clifton  <nickc@redhat.com>
8358
8359         * po/id.po: New Indonesian translation.
8360         * po/gold.pot: Updated template file.
8361
8362 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8363
8364         * testsuite/Makefile.am: Add -ffunction-sections to compile
8365         gc_comdat_test files.  Add -Wl,--gc-sections to build
8366         gc_comdat_test.
8367         * testsuite/Makefile.in: Regenerate.
8368         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8369
8370 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8371
8372         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8373         kept comdat section was garbage collected.
8374         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8375         * testsuite/Makefile.in: Regenerate.
8376         * testsuite/gc_comdat_test.sh: New file.
8377         * testsuite/gc_comdat_test_1.cc: New file.
8378         * testsuite/gc_comdat_test_2.cc: New file.
8379
8380 2009-05-19  Doug Kwan  <dougkwan@google.com>
8381
8382         * archive.cc (Archive::Archive): Move constructor from archive.h
8383         to here.  Initialize no_export_.
8384         (Archive::get_elf_object_for_member): Set no_export flag of object.
8385         * archive.h (Archive::Archive): Move constructor body to
8386         archive.cc.
8387         (Archive::no_export): New method.
8388         (Archive::no_export_): New field.
8389         * object.h (Object::Object): Initialize no_export_ to false.
8390         (Object::no_export, Object::set_no_export): New methods.
8391         (Object::no_export_): New field.
8392         * options.cc (General_options::parse_exclude_libs): New method.
8393         (General_options::check_excluded_libs) Same.
8394         * options.h (exclude_libs): New option.
8395         (General_options::check_excluded_libs): New method declaration.
8396         (General_options::excluded_libs_): New field.
8397         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8398         default or protected visibility if an object has no-export flag set.
8399         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8400         (check_SCRIPTS): Add exclude_libs_test.sh.
8401         (check_DATA): Add exclude_libs_test.syms.
8402         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8403         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8404         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8405         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8406         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8407         libexclude_libs_test_2.a): New rules.
8408         * testsuite/Makefile.in: Regenerate.
8409         * testsuite/exclude_libs_test.c: New file.
8410         * testsuite/exclude_libs_test.sh: Ditto.
8411         * testsuite/exclude_libs_test_1.c: Ditto.
8412         * testsuite/exclude_libs_test_2.c: Ditto.
8413
8414 2009-05-15  Ian Lance Taylor  <iant@google.com>
8415
8416         * configure.ac: Check for declarations for cases where libiberty.h
8417         checks HAVE_DECL_xxx.
8418         * configure, config.in: Rebuild.
8419
8420 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8421
8422         * gold.h (Incremental_argument_list): Remove (invalid) forward
8423         declaration.
8424         * incremental.cc (Incremental_inputs::report_achive): New method.
8425         (Incremental_inputs::report_object): New method.
8426         (Incremental_inputs::report_script): New method.
8427         (Incremental_inputs::finalize_inputs): New method.
8428         (Incremental_inputs::finalize): Call finalize_inputs().
8429         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8430         Create inputs entries.
8431         * incremental.h (Incremental_input_type): New enum.
8432         (Incremental_inputs::Incremental_input): Initialize new fields.
8433         (Incremental_inputs::report_inputs): New method.
8434         (Incremental_inputs::report_achive): New method.
8435         (Incremental_inputs::report_object): New method.
8436         (Incremental_inputs::report_script): New method.
8437         (Incremental_inputs::finalize_inputs): New method.
8438         (Incremental_inputs::Input_info): New struct.
8439         (Incremental_inputs::Input_info_map): New typedef.
8440         (Incremental_inputs::lock_): New field.
8441         (Incremental_inputs::Inputs_): New field.
8442         (Incremental_inputs::Inputs_map): New field.
8443         * main.cc (main): Call Incremental_input::report_inputs.
8444         * options.h (Input_argument_list): Typedef moved from
8445         Input_arguments.
8446         (Input_file_group::Files): Remove, use ::Input_argument_list.
8447         (Input_file_group::Input_argument_list): Remove, use
8448         ::Input_argument_list.
8449         * plugin.cc (Plugin_manager::add_input_file): Add error in
8450         incremental build.
8451         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8452         functions.
8453         * script.cc (read_input_script): Call
8454         Incremental_input::report_script.
8455         * script.h (Script_info): New class.
8456
8457 2009-04-27  Ian Lance Taylor  <iant@google.com>
8458
8459         * x86_64.cc (do_adjust_output_section): Set entsize to
8460         plt_entry_size.
8461
8462 2009-04-23  Elliott Hughes  <enh@google.com>
8463
8464         * output.cc (Output_file::close): After short writes, continue
8465         writing from the correct offset in the buffer being written.
8466
8467 2009-04-23  Chris Demetriou  <cgd@google.com>
8468
8469         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8470         * configure: Regenerate.
8471         * config.in: Regenerate.
8472         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8473         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8474
8475 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8476
8477         * incremental.cc (Incremental_inputs_header_data): Renamed from
8478         Incremental_input_header_data.
8479         (Incremental_inputs_header_data::data_size): New field.
8480         (Incremental_inputs_header_data::put_input_file_count): Renamed
8481         from input_file_count.
8482         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8483         from command_line_offset.
8484         (Incremental_inputs_header_data::put_reserved): Renamed from
8485         put_reserved.
8486         (Incremental_inputs_entry_data): Renamed from
8487         Incremental_input_entry_data.
8488         (Incremental_inputs_entry_data::data_size): New field.
8489         (Incremental_inputs::report_command_line): New method.
8490         (Incremental_inputs::finalize): New method.
8491         (Incremental_inputs::create_incremental_inputs_data): New method.
8492         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8493         * incremental.h: New file.
8494         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8495        (Layout::finalize): Create incremental inputs section in
8496         incremental builds.
8497        (Layout::create_incremental_info_sections): New method.
8498         * layout.h (Layout::incremental_inputs): New method.
8499        (Layout::create_incremental_info_sections): New method.
8500        (Layout::incremental_inputs_): New field.
8501         * main.cc (main): Notify Incremental_input of the command line.
8502
8503 2009-04-01  Ian Lance Taylor  <iant@google.com>
8504             Mikolaj Zalewski  <mikolajz@google.com>
8505
8506         * gold.h (reserve_unordered_map): Define, three versions, one for
8507         each version of Unordered_map.
8508         * layout.cc (Layout::Layout): Remove options parameter.  Add
8509         number_of_input_files parameter.  Don't initialize options_.
8510         Initialize number_of_input_files_ and resized_signatures_.  Move
8511         sections_are_attached_.
8512         (Layout::layout_group): Reserve space for group_signatures_.
8513         (Layout::find_or_add_kept_section): Change name parameter to be a
8514         reference.  Resize signatures_ map when it gets large enough.
8515         (Layout::layout_eh_frame): Use parameters->options() instead of
8516         this->options_.
8517         (Layout::make_output_section): Likewise.
8518         (Layout::attach_allocated_section_to_segment): Likewise.
8519         (Layout::finalize, Layout::create_executable_stack): Likewise.
8520         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8521         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8522         * layout.h (class Layout): Update declarations.  Remove options_
8523         field.  Add number_of_input_files_ and resized_signatures_
8524         fields.  Move sections_are_attached_ field.
8525         * main.cc (main): Pass number of input files to Layout
8526         constructor.  Don't pass options.
8527
8528 2009-03-30  Ian Lance Taylor  <iant@google.com>
8529
8530         * ffsll.c (ffsll): Correct implementation.
8531
8532 2009-03-27  Ian Lance Taylor  <iant@google.com>
8533
8534         * ffsll.c: New file.
8535         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8536         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8537         * ftruncate.c (ftruncate): Declare before definition.
8538         * mremap.c (mremap): Likewise.
8539         * pread.c (pread): Likewise.
8540         * configure, Makefile.in, config.in: Rebuild.
8541
8542         * mremap.c: New file.
8543         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8544         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8545         (mremap): Declare if HAVE_MREMAP is not defined.
8546         * configure, Makefile.in, config.in: Rebuild.
8547
8548 2009-03-27  Cary Coutant  <ccoutant@google.com>
8549
8550         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8551         position independent.
8552         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8553         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8554
8555 2009-03-24  Cary Coutant  <ccoutant@google.com>
8556
8557         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8558         an executable.
8559         (needs_dynamic_reloc): Likewise.
8560
8561 2009-03-24  Ian Lance Taylor  <iant@google.com>
8562
8563         * yyscript.y (file_cmd): Recognize EXTERN.
8564         (extern_name_list, extern_name_list_body): New nonterminals.
8565         * script.cc (script_add_extern): Define.
8566         * script-c.h (script_add_extern): Declare.
8567
8568 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8569
8570         * object.cc (is_elf_object): Define.
8571         * object.h (is_elf_object): Declare.
8572         * archive.cc (Archive::get_elf_object_for_member): Call
8573         is_elf_object.
8574         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8575
8576 2009-03-24  Elliott Hughes  <enh@google.com>
8577
8578         * output.cc (Output_file::map_anonymous): Define.
8579         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8580         try an anonymous one.  Report the size if the mmap fails.
8581         * output.h (class Output_file): Declare map_anonymous.
8582
8583 2009-03-24  Ian Lance Taylor  <iant@google.com>
8584
8585         * target-select.cc (instantiate_target): Don't acquire the lock if
8586         the instantiated_target_ field has already been set.
8587
8588 2009-03-23  Ian Lance Taylor  <iant@google.com>
8589
8590         * gold-threads.h (class Initialize_lock): Define.
8591         * gold-threads.cc (class Initialize_lock_once): Define.
8592         (initialize_lock_control): New static variable.
8593         (initialize_lock_pointer): New static variable.
8594         (initialize_lock_once): New static function.
8595         (Initialize_lock::Initialize_lock): Define.
8596         (Initialize_lock::initialize): Define.
8597         * target-select.h: Include "gold-threads.h".
8598         (class Target_selector): Add lock_ and initialize_lock_ fields.
8599         Don't define instantiate_target, just declare it.
8600         * target-select.cc (Target_selector::Target_selector): Initialize
8601         new fields.
8602         (Target_selector::instantiate_target): Define.
8603         * descriptors.h: Include "gold-threads.h".
8604         (class Descriptors): Add initialize_lock_ field.
8605         * descriptors.cc (Descriptors::Descriptors): Initialize new
8606         field.
8607         (Descriptors::open): Use initialize_lock_ field
8608         * errors.h (class Errors): Add initialize_lock_ field.
8609         * errors.cc (Errors::Errors): Initialize new field.
8610         (Errors::initialize_lock): Use initialize_lock_ field.
8611         * powerpc.cc (class Target_selector_powerpc): Remove
8612         instantiated_target_ field.  In do_recognize call
8613         instantiate_target rather than do_instantiate_target.  In
8614         do_instantiate_target just allocate a new target.
8615         * sparc.cc (class Target_selector_sparc): Likewise.
8616
8617         * freebsd.h: New file.
8618         * i386.cc: Include "freebsd.h".
8619         (Target_i386): Derive from Target_freebsd rather than
8620         Sized_target.
8621         (Target_selector_i386): Derive from Target_selector_freebsd rather
8622         than Target_selector.
8623         * x86_64.cc: Include "freebsd.h".
8624         (Target_x86_64): Derive from Target_freebsd rather than
8625         Sized_target.
8626         (Target_selector_x86_64): Derive from Target_selector_freebsd
8627         rather than Target_selector.
8628         * target.h (class Target): Add adjust_elf_header and
8629         do_adjust_elf_header.
8630         * output.cc (Output_file_header:: do_sized_write): Call target
8631         adjust_elf_header routine.
8632         * configure.tgt: Set targ_osabi.
8633         * configure.ac: Define GOLD_DEFAULT_OSABI.
8634         * parameters.cc (Parameters::default_target): Pass
8635         GOLD_DEFAULT_OSABI to select_target.
8636         * target-select.h (class Target_selector): Make instantiate_target
8637         protected rather than private.
8638         * Makefile.am (HFILES): Add freebsd.h.
8639         * configure, Makefile.in, config.in: Rebuild.
8640
8641         * merge.cc (do_add_input_section): Correct pend value.  Change
8642         message about last entry not being null terminated from error to
8643         warning.
8644
8645 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8646
8647         * incremental.cc: New file.
8648         * Makefile.am (CCFILES): Add incremental.cc.
8649         * Makefile.in: Rebuild.
8650
8651 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8652
8653         * layout.cc (Layout::output_section_name): Preserve names
8654         of '.note.' sections.
8655
8656 2009-03-19  Ian Lance Taylor  <iant@google.com>
8657
8658         * descriptors.cc (Descriptors::open): Check that the options are
8659         valid before using them.
8660
8661 2009-03-18  Ian Lance Taylor  <iant@google.com>
8662
8663         * script-sections.h: Include <list>.
8664         (class Script_sections): Change Sections_elements from std::vector
8665         to std::list.  Typedef public Elements_iterator.  Add
8666         orphan_section_placement_, data_segment_align_start_, and
8667         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8668         field.
8669         * script-sections.cc (class Orphan_section_placement): New class.
8670         (class Sections_element): Add virtual functions is_relro and
8671         orphan_section_init.  Remove virtual function place_orphan_here.
8672         (class Output_section_definition): Add is_relro and
8673         orphan_section_init.  Remove place_orphan_here.
8674         (class Orphan_output_section): Likewise.
8675         (Script_sections::Script_sections): Update for field changes.
8676         (Script_sections::data_segment_align): Set saw_data_segment_align_
8677         and data_segment_align_start_, not data_segment_align_index.
8678         (Script_sections::data_segment_relro_end): Check
8679         saw_data_segment_align_.  Use data_segment_align_start_ rather
8680         than data_segment_align_index_.
8681         (Script_sections::place_orphan): Rewrite to use
8682         Orphan_section_placement.
8683
8684 2009-03-17  Ian Lance Taylor  <iant@google.com>
8685
8686         * archive.cc (Archive::add_symbols): Check for a version attached
8687         to the symbol name in the archive map.
8688         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8689         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8690         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8691         (ver_test_11.a): New target.
8692         * testsuite/Makefile.in: Rebuild.
8693
8694         * configure.ac: Check for chsize and posix_fallocate.  Replace
8695         ftruncate.
8696         * ftruncate.c: New file, from gnulib.
8697         * output.cc (posix_fallocate): Define dummy version if not
8698         HAVE_POSIX_FALLOCATE.
8699         (Output_file::map): Call posix_fallocate rather than lseek and
8700         write.
8701         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8702         * configure, Makefile.in, config.in: Rebuild.
8703
8704 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8705
8706         * layout.h (Layout::create_note): Add section_name parameter.
8707         * layout.cc (Layout::create_note): Likewise.
8708         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8709
8710 2009-03-17  Ian Lance Taylor  <iant@google.com>
8711
8712         * descriptors.cc: Include "options.h".
8713         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8714         (Descriptors::open): Always use O_CLOEXEC when opening a new
8715         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8716         then set FD_CLOEXEC.
8717
8718         * sparc.cc (class Target_sparc): Add has_got_section.
8719         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8720         make sure we have a GOT section.
8721
8722         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8723         (Target_sparc::Scan::local): Likewise.
8724         (Target_sparc::Scan::global): Likewise.
8725         (Target_sparc::Relocate::relocate): Likewise.
8726         (Target_sparc::Relocate::relocate_tls): Likewise.
8727
8728         * symtab.cc (Symbol_table::define_default_version): New function,
8729         broken out of add_from_object.
8730         (Symbol_table::add_from_object): Call define_default_version.
8731         (Symbol_table::define_special_symbol): Add resolve_oldsym
8732         parameter.  Change all callers.  If the version for a symbol comes
8733         from a version script, resolve it with the symbol with the same
8734         name with no version.  Also add the symbol without a version if
8735         appropriate.
8736         (do_define_in_output_data): If resolving with oldsym, don't delete
8737         sym.
8738         (do_define_in_output_segment): Likewise.
8739         (do_define_as_constant): Likewise.
8740         * symtab.h (class Symbol_table): Update declarations.
8741
8742 2009-03-13  Ian Lance Taylor  <iant@google.com>
8743
8744         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8745         (Read_symbols::requeue): New function.
8746         (Read_symbols::do_read_symbols): If make_elf_object fails because
8747         the target type is not configured, and the file was searched for,
8748         issue a warning and retry with the next directory.
8749         (Add_symbols::run): If the file has an incompatible format, and
8750         it was searched for, requeue the Read_symbols task.  On error,
8751         release the object.
8752         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8753         dirindex parameter to constructor.  Change all callers.  Declare
8754         incompatible_warning and requeue.
8755         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8756         input_argument_ and input_group_ fields.  Add them to
8757         constructor.  Change all callers.
8758         (class Read_script): Add dirindex_ field.  Add it to constructor.
8759         Change all callers.
8760         * archive.cc (Archive::setup): Remove input_objects parameter.
8761         Change all callers.
8762         (Archive::get_file_and_offset): Likewise.
8763         (Archive::read_all_symbols): Likewise.
8764         (Archive::read_symbols): Likewise.
8765         (Archive::get_elf_object_for_member): Remove input_objects
8766         parameter.  Add punconfigured parameter.  Change all callers.
8767         (Archive::add_symbols): Change return type to bool.  Check return
8768         value of include_member.
8769         (Archive::include_all_members): Likewise.
8770         (Archive::include_member): Change return type to bool.  Return
8771         false if first included object has incompatible target.  Set
8772         included_member_ field.
8773         (Add_archive_symbols::run): If add_symbols returns false, requeue
8774         Read_symbols task.
8775         * archive.h (class Archive): Add included_member_ field.
8776         Initialize it in constructor.  Add input_file and searched_for
8777         methods.  Update declarations.
8778         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8779         input_argument_ fields.  Add them to constructor.  Change all
8780         callers.
8781         * script.cc: Include "target-select.h".
8782         (class Parser_closure): Add skip_on_incompatible_target_ and
8783         found_incompatible_target_ fields.  Add
8784         skip_on_incompatible_target parameter to constructor.  Change all
8785         callers.  Add methods skip_on_incompatible_target,
8786         clear_skip_on_incompatible_target, found_incompatible_target, and
8787         set_found_incompatible_target.
8788         (read_input_script): Add dirindex parameter.  Change all callers.
8789         If parser finds an incompatible target, requeue Read_symbols
8790         task.
8791         (script_set_symbol): Clear skip_on_incompatible_target in
8792         closure.
8793         (script_add_assertion, script_parse_option): Likewise.
8794         (script_start_sections, script_add_phdr): Likewise.
8795         (script_check_output_format): New function.
8796         * script.h (read_input_script): Update declaration.
8797         * script-c.h (script_check_output_format): Declare.
8798         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8799         (ignore_cmd): Remove OUTPUT_FORMAT.
8800         * fileread.cc (Input_file::Input_file): Add explicit this.
8801         (Input_file::will_search_for): New function.
8802         (Input_file::open): Add pindex parameter.  Change all callers.
8803         * fileread.h (class Input_file): Add input_file_argument method.
8804         Declare will_search_for.  Update declarations.
8805         * object.cc (make_elf_object): Add punconfigured parameter.
8806         Change all callers.
8807         * object.h (class Object): Make input_file public.  Add
8808         searched_for method.
8809         (make_elf_object): Update declaration.
8810         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8811         restart search.
8812         * dirsearch.h (class Dirsearch): Update declaration.
8813         * options.h (class General_options): Add --warn-search-mismatch.
8814         * parameters.cc (Parameters::is_compatible_target): New function.
8815         * parameters.h (class Parameters): Declare is_compatible_target.
8816         * workqueue.cc (Workqueue::add_blocker): New function.
8817         * workqueue.h (class Workqueue): Declare add_blocker.
8818
8819         * fileread.cc (Input_file::open): Remove options parameter.
8820         Change all callers.
8821         (Input_file::open_binary): Likewise.
8822         * script.cc (read_input_script): Likewise.
8823         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8824         options parameter from constructor.  Change all callers.
8825         (class Read_script): Likewise.
8826         * fileread.h (class Input_file): Update declarations.
8827         * script.h (read_input_script): Update declaration.
8828
8829 2009-03-10  Nick Clifton  <nickc@redhat.com>
8830
8831         * po/es.po: New Spanish translation.
8832
8833 2009-03-06  Cary Coutant  <ccoutant@google.com>
8834
8835         * options.cc (parse_short_option): Keep dash_z from registering itself.
8836
8837 2009-03-03  Ian Lance Taylor  <iant@google.com>
8838
8839         PR 9918
8840         * target-reloc.h (relocate_section): Pass output_section to
8841         relocate.
8842         * i386.cc (Target_i386::should_apply_static_reloc): Add
8843         output_section parameter.  Change all callers.
8844         (Target_i386::Relocate::relocate): Add output_section parameter.
8845         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8846         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8847         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8848         * testsuite/two_file_shared.sh: New script.
8849         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8850         (check_DATA): Add two_file_shared.dbg.
8851         (two_file_shared.dbg): New target.
8852         * testsuite/Makefile.in: Rebuild.
8853
8854 2009-03-01  Ian Lance Taylor  <iant@google.com>
8855
8856         * configure.ac: Check for byteswap.h.
8857         * configure: Rebuild.
8858         * config.in: Rebuild.
8859
8860 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8861
8862         * layout.cc (Layout::find_or_add_kept_section): New function.
8863         (Layout::add_comdat): Removed.
8864         * layout.h (struct Kept_section): Move out of class Layout.
8865         Remove trailing underscores from field names.  Add group_sections
8866         field.  Rename group_ field to is_group.  Change all uses.
8867         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8868         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8869         comdat_groups_ field.
8870         (Sized_relobj::include_section_group): Use
8871         find_or_add_kept_section and Kept_section::group_sections.
8872         (Sized_relobj::include_linkonce_section): Likewise.
8873         * object.cc (class Sized_relobj): Don't define Comdat_group or
8874         Comdat_group_table.  Remove find_comdat_group and
8875         add_comdat_group.  Remove comdat_groups_ field.
8876         * plugin.cc (include_comdat_group): Use
8877         Layout::find_or_add_kept_section.
8878
8879 2009-02-28  Ian Lance Taylor  <iant@google.com>
8880
8881         * README: --gc-sections and map files are now supported.  Document
8882         some build requirements.
8883
8884         PR 6992
8885         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8886         relocatable link set the value of the section symbol to zero.
8887         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8888         relocatable link don't include the section address in the local
8889         symbol value.
8890
8891 2009-02-27  Ian Lance Taylor  <iant@google.com>
8892
8893         PR 6811
8894         * options.h (class Search_directory): Add is_system_directory.
8895         (class General_options): Declare is_in_system_directory.
8896         * options.cc (get_relative_sysroot): Make static.
8897         (get_default_sysroot): Make static.
8898         (General_optoins::is_in_system_directory): New function.
8899         * fileread.cc (Input_file::is_in_system_directory): New function.
8900         * fileread.h (class Input_file): Declare is_in_system_directory.
8901         * object.h (class Object): Add is_in_system_directory.
8902         (class Input_objects): Remove system_library_directory_ field.
8903         * object.cc (Input_objects::add_object): Don't set
8904         system_library_directory_.
8905         (input_objects::found_in_system_library_directory): Remove.
8906         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8907         parameter.  Change all callers.
8908         (Symbol_table::sized_write_globals): Likewise.
8909         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8910         Call Object::is_in_system_directory.
8911         * symtab.h (class Symbol_table): Update declarations.
8912
8913         PR 5990
8914         * descriptors.h (Open_descriptor): Add is_on_stack field.
8915         * descriptors.cc (Descriptors::open): If the descriptor is on the
8916         top of the stack, remove it.  Initialize is_on_stack field.
8917         (Descriptors::release): Only add pod to stack if it is not on the
8918         stack already.
8919         (Descriptors::close_some_descriptor): Clear stack_next and
8920         is_on_stack fields.
8921
8922         PR 7091
8923         * output.cc (Output_section::find_starting_output_address): Rename
8924         from starting_output_address; add PADDR parameter; change return
8925         type.
8926         * output.h (class Output_section): Declare
8927         find_starting_output_address instead of starting_output_address.
8928         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8929         section symbol for which we can't find a merge section.
8930
8931         PR 9836
8932         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8933         hidden or internal, force the symbol to be local.
8934         * resolve.cc (Symbol::override_visibility): Define.
8935         (Symbol::override_base): Use override_visibility.
8936         (Symbol_table::resolve): Likewise.
8937         (Symbol::override_base_with_special): Likewise.
8938         (Symbol_table::override_with_special): If the visibility is hidden
8939         or internal, force the symbol to be local.
8940         * symtab.h (class Symbol): Add set_visibility and
8941         override_visibility.
8942         * testsuite/ver_test_1.sh: New file.
8943         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8944         (check_DATA): Add ver_test_1.syms.
8945         (ver_test_1.syms): New target.
8946         * testsuite/Makefile.in: Rebuild.
8947
8948 2009-02-25  Cary Coutant  <ccoutant@google.com>
8949
8950         * layout.cc (Layout::choose_output_section): Don't rename sections
8951         when using a linker script that has a SECTIONS clause.
8952         * Makefile.in: Regenerate.
8953
8954         * testsuite/Makefile.am (script_test_5.sh): New test case.
8955         * testsuite/Makefile.in: Regenerate.
8956         * testsuite/script_test_5.cc: New file.
8957         * testsuite/script_test_5.sh: New file.
8958         * testsuite/script_test_5.t: New file.
8959
8960 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8961
8962         * archive.cc (Archive::include_member): Update calls to add_symbols.
8963         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8964         the Layout argument.
8965         * dynobj.h (do_add_symbols): Add the Layout argument.
8966         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8967         Layout argument.
8968         * object.h (Object::add_symbols): Add the Layout argument.
8969         (Object::do_add_symbols): Add the Layout argument.
8970         (Sized_relobj::do_add_symbols): Add the Layout argument.
8971         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8972         Unify the two versions.
8973         (Add_plugin_symbols): Remove.
8974         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8975         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8976         (Add_plugin_symbols): Remove.
8977         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8978         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8979         (Add_symbols::run): Make it work with Pulginobj.
8980
8981 2009-02-06  Ian Lance Taylor  <iant@google.com>
8982
8983         * object.cc (Sized_relobj::do_layout): Make info message start
8984         with lower case letter.
8985
8986 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8987
8988         * binary.cc: Fix file comment.
8989
8990         * options.h (enum Incremental_disposition): Define.
8991         (class General_options): Add new options: --incremental,
8992         --incremental_changed, --incremental_unchanged,
8993         --incremental_unknown.  Add incremental_disposition_ and
8994         implicit_incremental_ fields.
8995         (General_options::incremental_disposition): New function.
8996         (class Position_dependent_options): Add incremental_disposition
8997         option.
8998         (Position_dependent_options::copy_from_options): Set incremental
8999         dispositions.
9000         * options.cc (General_options::parse_incremental_changed): New
9001         function.
9002         (General_options::parse_incremental_unchanged): New function.
9003         (General_options::parse_incremental_unknown): New function.
9004         (General_options::General_options): Initialize new fields
9005         incremental_disposition_ and implicit_incremental_.
9006         (General_options::finalize): Check for uasge of --incremental-*
9007         without --incremental.
9008
9009 2009-02-06  Chris Demetriou  <cgd@google.com>
9010
9011         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9012         pointer and to report location as the file name associated with
9013         the symbol.
9014         (gold_undefined_symbol_at_location): New function to replace the
9015         old gold_undefined_symbol functionality.
9016         * target-reloc.h (relocate_section): Update to use
9017         gold_undefined_symbol_at_location.
9018         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9019         Call gold_undefined_symbol function rather than gold_error.
9020         * errors.h (Errors::undefined_symbol): Take location as a
9021         string, rather than calculating it from a relocation.
9022         * errors.cc (Errors::fatal): Print "fatal error:" before the
9023         formatted message.
9024         (Errors::error, Errors::error_at_location): Print "error: "
9025         before the formatted message.
9026         (Errors::undefined_symbol): Take location as a string, rather
9027         than calculating it from a relocation.
9028         (gold_undefined_symbol_at_location): New function akin to
9029         old gold_undefined_symbol, calculates location from relocation.
9030         (gold_undefined_symbol): Change to take only a Symbol pointer
9031         and to report location as the file name associated with the symbol.
9032         * testsuite/debug_msg.sh: Update for changed error messages.
9033         * testsuite/undef_symbol.sh: Likewise.
9034
9035 2009-02-04  Duncan Sands  <baldrick@free.fr>
9036
9037         PR 9812
9038         * reduced_debug_output.h
9039         (Output_reduced_debug_abbrev_section::failed): Use format for
9040         gold_warning.
9041         (Output_reduced_debug_info_section::faild): Likewise.
9042
9043 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9044
9045         * script.cc (Lazy_demangler): New class.
9046         (Version_script_info::get_symbol_version_helper): Demangle a
9047         symbol only once.
9048
9049 2009-01-29  Cary Coutant  <ccoutant@google.com>
9050
9051         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9052         to __tls_get_addr.
9053         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9054
9055 2009-01-28  Ian Lance Taylor  <iant@google.com>
9056
9057         * version.cc (version_string): Bump to 1.9.
9058
9059         * gold.h: Include <cstring> and <stdint.h>.
9060         * version.cc: Include <cstdio>.
9061         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9062         warning.
9063         * reduced_debug_output.cc (insert_into_vector): Rename from
9064         Insert_into_vector; change all callers.  Use Swap_unaligned to
9065         avoid aliasing issue; remove union since it is unnecessary.
9066
9067 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9068
9069         * Makefile.am (CCFILES): Add gc.cc.
9070         (HFILES): Add gc.h.
9071         * Makefile.in: Regenerate.
9072         * gold.cc (Gc_runner): New class.
9073         (queue_initial_tasks): Call garbage collection related tasks
9074         when corresponding options are invoked.
9075         (queue_middle_gc_tasks): New function.
9076         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9077         processed early before laying out sections during garbage collection.
9078         * gold.h (queue_middle_gc_tasks): New function.
9079         (is_prefix_of): Move from "layout.cc".
9080         * i386.cc (Target_i386::gc_process_relocs): New function.
9081         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9082         * main.cc (main): Create object of class "Garbage_collection".
9083         * object.cc (Relobj::copy_symbols_data): New function.
9084         (Relobj::is_section_name_included): New function.
9085         (Sized_relobj::do_layout): Allow this function to be called twice
9086         during garbage collection and defer layout of section during the
9087         first call.
9088         * object.h (Relobj::get_symbols_data): New function.
9089         (Relobj::is_section_name_included): New function.
9090         (Relobj::copy_symbols_data): New function.
9091         (Relobj::set_symbols_data): New function.
9092         (Relobj::get_relocs_data): New function.
9093         (Relobj::set_relocs_data): New function.
9094         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9095         (Relobj::gc_process_relocs): New function.
9096         (Relobj::do_gc_process_relocs): New pure virtual function.
9097         (Relobj::sd_): New data member.
9098         (Sized_relobj::is_output_section_offset_invalid): New function.
9099         (Sized_relobj::do_gc_process_relocs): New function.
9100         * options.h (General_options::gc_sections): Modify to not be a no-op.
9101         (General_options::print_gc_sections): New option.
9102         * plugin.cc (Plugin_finish::run): Remove function call to
9103         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9104         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9105         * reloc.cc (Read_relocs::run): Add task to process relocs and
9106         determine unreferenced sections when doing garbage collection.
9107         (Gc_process_relocs): New class.
9108         (Sized_relobj::do_gc_process_relocs): New function.
9109         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9110         sections that are garbage collected.
9111         * reloc.h (Gc_process_relocs): New class.
9112         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9113         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9114         symbols whose corresponding sections are garbage collected.
9115         (Symbol_table::Symbol_table): Add new parameter for the garbage
9116         collection object.
9117         (Symbol_table::gc_mark_undef_symbols): New function.
9118         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9119         (Symbol_table::gc_mark_dyn_syms): New function.
9120         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9121         as garbage.
9122         (Symbol_table::add_from_object): Likewise.
9123         (Symbol_table::add_from_relobj): When building shared objects, do not
9124         treat externally visible symbols as garbage.
9125         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9126         table information for static and relocatable links.
9127         * symtab.h (Symbol_table::set_gc): New function.
9128         (Symbol_table::gc): New function.
9129         (Symbol_table::gc_mark_undef_symbols): New function.
9130         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9131         (Symbol_table::gc_mark_dyn_syms): New function.
9132         (Symbol_table::gc_): New data member.
9133         * target.h (Sized_target::gc_process_relocs): New pure virtual
9134         function.
9135         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9136         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9137
9138 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9139
9140         * options.h (General_options::gc_sections): Define as a no-op for now.
9141         (General_options::no_keep_memory): Ditto.
9142         (General_options::Bshareable): Define.
9143         * options.cc (General_options::finalize): Honor -Bshareable.
9144
9145 2009-01-20  Andreas Schwab  <schwab@suse.de>
9146
9147         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9148         read the value in the contents, since we don't use it.  Use the
9149         template endianness when writing.
9150         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9151
9152 2009-01-19  Andreas Schwab  <schwab@suse.de>
9153
9154         * configure.tgt (powerpc64-*): Fix targ_obj.
9155
9156 2009-01-15  Ian Lance Taylor  <iant@google.com>
9157
9158         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9159         local symbols when stripping all symbols.
9160
9161 2009-01-14  Cary Coutant  <ccoutant@google.com>
9162
9163         * output.cc (Output_reloc): Add explicit instantiations.
9164
9165 2009-01-14  Cary Coutant  <ccoutant@google.com>
9166
9167         * archive.cc (Archive::get_elf_object_for_member): Remove call
9168         to File_read::claim_for_plugin.
9169         * descriptors.cc (Descriptors::open): Remove reference to
9170         is_claimed.
9171         (Descriptors::claim_for_plugin): Remove.
9172         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9173         (Descriptors::is_claimed): Remove.
9174         (claim_descriptor_for_plugin): Remove.
9175         * fileread.cc (File_read::claim_for_plugin): Remove.
9176         * fileread.h (File_read::claim_for_plugin): Remove.
9177         (File_read::descriptor): Reopen descriptor if necessary.
9178         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9179         (Plugin_manager::all_symbols_read): Add task parameter. Change
9180         all callers.
9181         (Plugin_manager::get_input_file): New function.
9182         (Plugin_manager::release_input_file): New function.
9183         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9184         corresponding data member.
9185         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9186         and pass to base constructor. Change all callers.
9187         (get_input_file, release_input_file): New functions.
9188         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9189         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9190         (Plugin_manager::all_symbols_read): Add task parameter.
9191         (Plugin_manager::get_input_file): New function.
9192         (Plugin_manager::release_input_file): New function.
9193         (Plugin_manager::task_): New data member.
9194         (Pluginobj::Pluginobj): Add filesize parameter.
9195         (Pluginobj::filename): New function.
9196         (Pluginobj::descriptor): New function.
9197         (Pluginobj::filesize): New function.
9198         (Pluginobj::filesize_): New data member.
9199         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9200         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9201         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9202
9203         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9204         with archive libraries.
9205         * testsuite/Makefile.in: Regenerate.
9206         * testsuite/plugin_test.c (struct sym_info): New type.
9207         (get_input_file, release_input_file): New static variables.
9208         (onload): Capture new transfer vector entries.
9209         (claim_file_hook): Stop reading at end of file according to filesize.
9210         Factor out parsing of readelf output into separate function.
9211         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9212         APIs and get the source file name from the symbol table.  Convert
9213         source file name to corresponding object file name.  Print info
9214         message when adding new input files.
9215         (parse_readelf_line): New function.
9216         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9217         * testsuite/plugin_test_2.sh: Likewise.
9218         * testsuite/plugin_test_3.sh: Likewise.
9219         * testsuite/plugin_test_4.sh: New test case.
9220
9221 2009-01-07  Ian Lance Taylor  <iant@google.com>
9222
9223         * version.cc (version_string): Bump to 1.8.
9224
9225 2008-12-23  Cary Coutant  <ccoutant@google.com>
9226
9227         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9228         * plugin.cc (Plugin_manager::finish): Rename as
9229         layout_deferred_objects.  Move cleanup to separate function.
9230         (Plugin_manager::cleanup): New function.
9231         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9232         separately.
9233         * plugin.h (Plugin_manager::finish): Rename as
9234         layout_deferred_objects.
9235         (Plugin_manager::cleanup): New function.
9236         (Plugin_manager::cleanup_done): New field.
9237
9238 2008-12-23  Cary Coutant  <ccoutant@google.com>
9239
9240         * plugin.cc (is_visible_from_outside): New function.
9241         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9242         so we don't return "IR only" status for exported symbols or -r links.
9243
9244         * testsuite/Makefile.am (plugin_test_3): New test case.
9245         * testsuite/Makefile.in: Regenerate.
9246         * testsuite/plugin_test_3.sh: New file.
9247
9248 2008-12-22  Cary Coutant  <ccoutant@google.com>
9249
9250         * object.cc (Sized_relobj::layout_section): New function.
9251         (Sized_relobj::do_layout): Defer layout of input sections until after
9252         plugin has provided replacement files.
9253         (Sized_relobj::do_layout_deferred_sections): New function.
9254         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9255         (Relobj::layout_deferred_sections): New function.
9256         (Relobj::do_layout_deferred_sections): New function.
9257         (Sized_relobj::do_layout_deferred_sections): New function.
9258         (Sized_relobj::layout_section): New function.
9259         (Sized_relobj::Deferred_layout): New structure.
9260         (Sized_relobj::deferred_layout_): New field.
9261         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9262         Change all callers.  Layout deferred sections.
9263         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9264         references.
9265         (Plugin_hook::run): Move code from do_plugin_hook inline.
9266         (Plugin_hook::do_plugin_hook): Remove.
9267         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9268         (Plugin_manager::finish): Renamed, was cleanup.
9269         (Plugin_manager::should_defer_layout): New function.
9270         (Plugin_manager::add_deferred_layout_object): New function.
9271         (Plugin_manager::Deferred_layout_list): New type.
9272         (Plugin_manager::deferred_layout_objects_): New field.
9273         (Plugin_hook::do_plugin_hook): Remove.
9274
9275 2008-12-17  Ian Lance Taylor  <iant@google.com>
9276
9277         * options.h (class General_options): Add --no case for
9278         --export-dynamic.
9279
9280 2008-12-16  Cary Coutant  <ccoutant@google.com>
9281
9282         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9283         vector.
9284         (Plugin_manager::claim_file): Create plugin object even if
9285         plugin did not call the add_symbols callback.
9286         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9287         asking for more symbols than were added.
9288         * testsuite/Makefile.am (plugin_test_1): Add test case with
9289         no global symbols.
9290         (empty.syms): New target.
9291         * testsuite/Makefile.in: Regenerate.
9292         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9293         message. Don't call add_symbols if no globals.
9294         (all_symbols_read_hook): Don't provide replacement for empty
9295         claimed file.
9296
9297 2008-12-12  Ian Lance Taylor  <iant@google.com>
9298
9299         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9300         r_type == 0 for a local symbol with r_sym == 0.
9301         (scan_relocatable_relocs): Pass r_sym to
9302         local_non_section_strategy.
9303         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9304         r_sym parameter.
9305
9306         * configure.ac: Update test for TLS descriptors: they are
9307         supported as of glibc 2.9.
9308         * configure: Rebuild.
9309
9310 2008-12-11  Ian Lance Taylor  <iant@google.com>
9311
9312         PR 7091
9313         * target-reloc.h (Default_scan_relocatable_relocs): For each
9314         function, map r_type == 0 to RELOC_DISCARD.
9315
9316 2008-12-10  Cary Coutant  <ccoutant@google.com>
9317
9318         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9319         object to override a kept COMDAT group from a plugin object.
9320
9321 2008-12-09  Ian Lance Taylor  <iant@google.com>
9322
9323         PR 7088
9324         * yyscript.y (file_cmd): Handle INPUT.
9325
9326         * testsuite/initpri1.c: Change all declarations to be full
9327         prototypes by adding void, to avoid compiler warnings.
9328
9329 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9330
9331         * options.cc (General_options::parse_plugin_opt): New.
9332         (General_options::add_plugin): The argument now is just the filename.
9333         (General_options::add_plugin_option): New.
9334         * options.h (plugin_opt): New.
9335         (add_plugin): Change argument name.
9336         (add_plugin_option): New.
9337         * plugin.cc (Plugin::load): Don't parse the plugin option.
9338         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9339         (Plugin::add_option): New.
9340         (Plugin::args_): Change type.
9341         (Plugin::filename_): New.
9342         (Plugin_manager::add_plugin_option): New.
9343         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9344         * testsuite/Makefile.in: Regenerate.
9345
9346 2008-12-05  Cary Coutant  <ccoutant@google.com>
9347
9348         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9349         Handle --strip-lto-sections option.
9350         * options.h (strip_lto_sections): New option.
9351
9352 2008-12-01  Cary Coutant  <ccoutant@google.com>
9353
9354         * plugin.cc (ld_plugin_message): Change format parameter to const.
9355         Fix mismatch between new[] and delete.
9356
9357 2008-11-14  Cary Coutant  <ccoutant@google.com>
9358
9359         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9360         instead of -1U.
9361
9362 2008-11-05  Craig Silverstein  <csilvers@google.com>
9363
9364         * options.cc (General_options::parse_dynamic_list): New function.
9365         * options.h (General_options): New flags dynamic_list,
9366         dynamic_list_data, dynamic_list_cpp_new, and
9367         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9368         (General_options::in_dynamic_list): New function.
9369         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9370         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9371         (Lex::can_continue_name): Likewise.
9372         (yylex): Likewise.
9373         (read_script_file): New parameter script_options.
9374         (read_dynamic_list): New function.
9375         (Script_options::define_dynamic_list): New function.
9376         (dynamic_list_keyword_parsecodes): New variable.
9377         (dynamic_list_keywords): New variable.
9378         * script.h (Script_options::define_dynamic_list): New function
9379         prototype.
9380         (read_dynamic_list): New function prototype.
9381         * symtab.cc (strprefix): New macro.
9382         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9383         dynamic_list_data, dynamic_list_cpp_new, and
9384         dynamic_list_cpp_typeinfo.
9385         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9386         (dynamic_list_expr): New rule.
9387         (dynamic_list_nodes): Likewise.
9388         (dynamic_list_node): Likewise.
9389         * testsuite/Makefile.am (dynamic_list): New test.
9390         * testsuite/Makefile.in: Regenerated.
9391         * testsuite/dynamic_list.t: New file.
9392         * testsuite/dynamic_list.sh: New file.
9393
9394 2008-11-05  Craig Silverstein  <csilvers@google.com>
9395
9396         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9397         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9398         (t11_last): Likewise.
9399         * testsuite/ver_test_6.c (main): Likewise.
9400
9401 2008-10-07  Cary Coutant  <ccoutant@google.com>
9402
9403         * options.c (General_options::finalize): Add check for -static and
9404         -shared.
9405         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9406         is not empty.
9407
9408 2008-10-02  Cary Coutant  <ccoutant@google.com>
9409
9410         * plugin.cc (make_sized_plugin_object): Fix conditional
9411         compilation to work when not all targets are enabled.
9412
9413 2008-09-29  Cary Coutant  <ccoutant@google.com>
9414
9415         * archive.cc (Archive::get_file_and_offset): Use filename instead
9416         of name to get library path.
9417         (Archive::include_member): Unlock external member of a thin archive.
9418
9419         * testsuite/Makefile.am (TEST_AR): New variable.
9420         (thin_archive_test_1): New test.
9421         (thin_archive_test_2): New test.
9422         * testsuite/Makefile.in: Regenerate.
9423         * testsuite/thin_archive_main.cc: New file.
9424         * testsuite/thin_archive_test_1.cc: New file.
9425         * testsuite/thin_archive_test_2.cc: New file.
9426         * testsuite/thin_archive_test_3.cc: New file.
9427         * testsuite/thin_archive_test_4.cc: New file.
9428
9429 2008-09-29  Cary Coutant  <ccoutant@google.com>
9430
9431         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9432         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9433         instead of -1U.
9434         (Sized_relobj::do_finalize_local_symbols): Likewise.
9435         (Sized_relobj::map_to_kept_section): Likewise.
9436         * object.h (Sized_relobj::invalid_address): New constant.
9437         (Sized_relobj::do_output_section_offset): Check for invalid_address
9438         and return -1ULL.
9439         * output.cc (Output_reloc::local_section_offset): Use constant
9440         invalid_address instead of -1U.
9441         (Output_reloc::get_address): Likewise.
9442         (Output_section::output_address): Change -1U to -1ULL.
9443         * output.h (Output_reloc::invalid_address): New constant.
9444         * reloc.cc (Sized_relobj::write_sections): Use constant
9445         invalid_address instead of -1U.
9446         (Sized_relobj::relocate_sections): Likewise.
9447         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9448         values for merge sections.
9449         * target-reloc.h (relocate_for_relocatable): Use constant
9450         invalid_address instead of -1U.
9451
9452 2008-09-19  Cary Coutant  <ccoutant@google.com>
9453
9454         Add plugin functionality for link-time optimization (LTO).
9455         * configure.ac (plugins): Add --enable-plugins option.
9456         * configure: Regenerate.
9457         * config.in: Regenerate.
9458         * Makefile.am (LIBDL): New variable.
9459         (CCFILES): Add plugin.cc.
9460         (HFILES): Add plugin.h.
9461         (ldadd_var): Add LIBDL.
9462         * Makefile.in: Regenerate.
9463
9464         * archive.cc: Include "plugin.h".
9465         (Archive::setup): Don't preread archive symbols when using a plugin.
9466         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9467         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9468         files.
9469         (Archive::include_member): Add symbols from plugin objects.
9470         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9471         * descriptors.cc (Descriptors::open): Check for file descriptors
9472         abandoned by plugins.
9473         (Descriptors::claim_for_plugin): New function.
9474         * descriptors.h (Descriptors::claim_for_plugin): New function.
9475         (Open_descriptor::is_claimed): New field.
9476         (claim_descriptor_for_plugin): New function.
9477         * fileread.cc (File_read::claim_for_plugin): New function.
9478         * fileread.h (File_read::claim_for_plugin): New function.
9479         (File_read::descriptor): New function.
9480         * gold.cc: Include "plugin.h".
9481         (queue_initial_tasks): Add task to call plugin hooks for generating
9482         new object files.
9483         * main.cc: Include "plugin.h".
9484         (main): Load plugin libraries.
9485         * object.h (Pluginobj): Declare.
9486         (Object::pluginobj): New function.
9487         (Object::do_pluginobj): New function.
9488         (Object::set_target): New function.
9489         * options.cc: Include "plugin.h".
9490         (General_options::parse_plugin): New function.
9491         (General_options::General_options): Initialize plugins_ field.
9492         (General_options::add_plugin): New function.
9493         * options.h (Plugin_manager): Declare.
9494         (General_options): Add --plugin option.
9495         (General_options::has_plugins): New function.
9496         (General_options::plugins): New function.
9497         (General_options::add_plugin): New function.
9498         (General_options::plugins_): New field.
9499         * plugin.cc: New file.
9500         * plugin.h: New file.
9501         * readsyms.cc: Include "plugin.h".
9502         (Read_symbols::do_read_symbols): Check for archive before checking
9503         for ELF file.  Call plugin hooks to claim files.
9504         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9505         from a real object file; force override when processing replacement
9506         files.
9507         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9508         (Symbol::init_base_object): Likewise.
9509         (Symbol::init_base_output_data): Likewise.
9510         (Symbol::init_base_output_segment): Likewise.
9511         (Symbol::init_base_constant): Likewise.
9512         (Symbol::init_base_undefined): Likewise.
9513         (Symbol::output_section): Assert that object is not a plugin.
9514         (Symbol_table::add_from_pluginobj): New function.
9515         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9516         undefined.
9517         (Symbol_table::sized_write_globals): Likewise.
9518         (Symbol_table::add_from_pluginobj): Instantiate template.
9519         * symtab.h (Sized_pluginobj): Declare.
9520         (Symbol::in_real_elf): New function.
9521         (Symbol::set_in_real_elf): New function.
9522         (Symbol::in_real_elf_): New field.
9523         (Symbol_table::add_from_pluginobj): New function.
9524
9525         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9526         (LIBDL): New variable.
9527         (LDADD): Add LIBDL.
9528         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9529         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9530         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9531         (MOSTLYCLEANFILES): Likewise.
9532         * testsuite/Makefile.in: Regenerate.
9533         * testsuite/plugin_test.c: New file.
9534         * testsuite/plugin_test_1.sh: New file.
9535         * testsuite/plugin_test_2.sh: New file.
9536
9537 2008-09-16  Ian Lance Taylor  <iant@google.com>
9538
9539         * target-reloc.h (relocate_section): Check whether a symbol is
9540         defined by the ABI before reporting an undefined symbol error.
9541         * target.h (Target::is_defined_by_abi): Make parameter const.
9542         (Target::do_is_defined_by_abi): Likewise.
9543         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9544         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9545         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9546         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9547         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9548         * testsuite/Makefile.in: Rebuild.
9549
9550         * fileread.cc (make_view): Add casts to avoid warning.
9551
9552 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9553
9554         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9555         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9556
9557 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9558
9559         * options.h (General_options::output_is_executable): New.
9560         (General_options::output_is_pie): New.
9561         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9562         for shared libraries.
9563         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9564
9565 2008-09-11  Chris Demetriou  <cgd@google.com>
9566
9567         * options.h (origin): New -z option.
9568         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9569         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9570         in DT_FLAGS_1.
9571
9572 2008-09-05  Cary Coutant  <ccoutant@google.com>
9573
9574         * fileread.cc (File_read::make_view): Add check for attempt to map
9575         beyond end of file.
9576
9577 2008-09-05  Cary Coutant  <ccoutant@google.com>
9578
9579         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9580         explicit instantiations.
9581
9582 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9583
9584         PR gold/6858
9585         * options.cc (General_options::finalize): Allow undefined symbols
9586         in shlibs if linking -shared.
9587
9588         PR gold/6859
9589         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9590         symbols as not needing a dynsym entry.
9591
9592 2008-08-20  Craig Silverstein  <csilvers@google.com>
9593
9594         * fileread.cc (File_read::open): Do not lock the file unless it
9595         was successfully opened.
9596
9597 2008-08-14  Cary Coutant  <ccoutant@google.com>
9598
9599         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9600         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9601         * testsuite/tls_test.cc (struct int128): 128-bit struct
9602         for testing TLS relocs with non-zero addend.
9603         (v12): New TLS variable.
9604         (t12): New test.
9605         (t_last): Add check for v12.
9606         * testsuite/tls_test.h (t12): New function.
9607         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9608
9609 2008-08-13  Ian Lance Taylor  <iant@google.com>
9610
9611         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9612         set tls_segment_ or relro_segment_.
9613         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9614         when appropriate.
9615         * output.h (Output_section::clear_is_relro): New function.
9616         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9617         sections specially even when output_data_ is empty.
9618         (Output_segment::maximum_alignment): When first section is relro,
9619         only force alignment for PT_LOAD segments.
9620         * script.cc (script_data_segment_align): New function.
9621         (script_data_segment_relro_end): New function.
9622         * script-c.h (script_data_segment_align): Declare.
9623         (script_data_segment_relro_end): Declare.
9624         * script-sections.h (class Script_sections): Declare
9625         data_segment_align and data_segment_relro_end.  Add fields
9626         segment_align_index_ and saw_relro_end_.
9627         * script-sections.cc (class Sections_element): Add set_is_relro
9628         virtual function.  Add new bool* parameter to place_orphan_here.
9629         Add get_output_section virtual function.
9630         (class Output_section_definition): Add set_is_relro.  Add new
9631         bool* parameter to place_orphan_here.  Add get_output_section.
9632         Add is_relro_ field.
9633         (Output_section_definition::Output_section_definition): Initialize
9634         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9635         and is_relro_ fields.
9636         (Output_section_definition::place_orphan_here): Add is_relro
9637         parameter.
9638         (Output_section_definition::set_section_addresses): Set relro for
9639         output section.
9640         (Output_section_definition::alternate_constraint): Likewise.
9641         (class Orphan_output_section): Add new bool* parameter to
9642         place_orphan_here.  Add get_output_section.
9643         (Orphan_output_section::place_orphan_here): Add is_relro
9644         parameter.
9645         (Script_sections::Script_sections): Initialize
9646         data_segment_align_index_ and saw_relro_end_.
9647         (Script_sections::data_segment_align): New function.
9648         (Script_sections::data_segment_relro_end): New function.
9649         (Script_sections::place_orphan): Set or clear is_relro.
9650         (Script_sections::set_section_addresses): Force alignment of first
9651         TLS section.
9652         * yyscript.y (exp): Call script_data_segment_align and
9653         script_data_segment_relro_end.
9654         * testsuite/relro_script_test.t: New file.
9655         * testsuite/relro_test.cc (using_script): Declare.
9656         (t1, t2): Test using_script.
9657         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9658         (relro_script_test_SOURCES): Define.
9659         (relro_script_test_DEPENDENCIES): Define.
9660         (relro_script_test_LDFLAGS): Define.
9661         (relro_script_test_LDADD): Define.
9662         (relro_script_test.so): New target.
9663         * testsuite/Makefile.in: Rebuild.
9664
9665 2008-08-06  Cary Coutant <ccoutant@google.com>
9666
9667         * archive.cc (Archive::total_archives, Archive::total_members)
9668         (Archive::total_members_loaded): New variables.
9669         (Archive::setup): Add parameter.  Add option to preread
9670         archive symbols.
9671         (Archive::read_armap): Add counter.
9672         (Archive::get_file_and_offset): New function.
9673         (Archive::get_elf_object_for_member): New function.
9674         (Archive::read_all_symbols): New function.
9675         (Archive::read_symbols): New function.
9676         (Archive::add_symbols): Add counters.
9677         (Archive::include_all_members): Use armap to find members if it's
9678         already built.
9679         (Archive::include_member): Skip reading symbols if already read.
9680         Factored code into Archive::get_file_and_offset and
9681         Archive::get_elf_object_for_member.  Changed call to
9682         Mapfile::report_include_archive_member.
9683         (Archive::print_stats): New function.
9684         * archive.h: Declare Object and Read_symbols_data classes.
9685         (Archive::Archive): Add initializers for new members.
9686         (Archive::setup): Add parameter.
9687         (Archive::print_stats): New function.
9688         (Archive::total_archives, Archive::total_members)
9689         (Archive::total_members_loaded): New variables.
9690         (Archive::get_file_and_offset): New function.
9691         (Archive::get_elf_object_for_member): New function.
9692         (Archive::read_all_symbols): New function.
9693         (Archive::read_symbols): New function.
9694         (Archive::Archive_member): New class.
9695         (Archive::members_): New member.
9696         (Archive::num_members_): New member.
9697         * main.cc: Include archive.h.
9698         (main): Call Archive::print_stats.
9699         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9700         archive parameter; member_name is now the fully-decorated name.
9701         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9702         * options.h: (General_options): Add --preread-archive-symbols option.
9703         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9704         Archive::setup.
9705
9706 2008-08-04  Ian Lance Taylor  <iant@google.com>
9707
9708         * symtab.h (Symbol::use_plt_offset): New function.
9709         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9710         * powerpc.cc (Relocate::relocate): Likewise.
9711         * sparc.cc (Relocate::relocate): Likewise.
9712         * x86_64.cc (Relocate::relocate): Likewise.
9713         * testsuite/weak_plt.sh: New test.
9714         * testsuite/weak_plt_main.cc: New test.
9715         * testsuite/weak_plt_shared.cc: New test.
9716         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9717         (check_PROGRAMS): Add weak_plt.
9718         (check_DATA): Add weak_plt_shared.so.
9719         (weak_plt_main_pic.o, weak_plt): New targets.
9720         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9721         * testsuite/Makefile.in: Rebuild.
9722
9723         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9724         gcctestdir/ld.
9725         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9726         * testsuite/Makefile.in: Rebuild.
9727
9728 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9729
9730         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9731         * Makefile.in: Regenerate.
9732         * po/POTFILES.in: Regenerate.
9733
9734 2008-07-29  Ian Lance Taylor  <iant@google.com>
9735
9736         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9737         symbols before other symbols.
9738         * testsuite/script_test_2.cc (test_addr): Declare.
9739         (test_addr_alias): Declare.
9740         (main): Check that test_addr and test_addr_alias have the right
9741         values.
9742         * testsuite/script_test_2.t: Define test_addr_alias and
9743         test_addr.
9744
9745 2008-07-24  Ian Lance Taylor  <iant@google.com>
9746
9747         PR 5990
9748         * descriptors.cc: New file.
9749         * descriptors.h: New file.
9750         * gold-threads.h (class Hold_optional_lock): New class.
9751         * fileread.cc: Include "descriptors.h".
9752         (File_read::~File_read): Release descriptor rather than closing
9753         it.
9754         (File_read::open) [file]: Call open_descriptor rather than open.
9755         Set is_descriptor_opened_.
9756         (File_read::open) [memory]: Assert that descriptor is not open.
9757         (File_read::reopen_descriptor): New function.
9758         (File_read::release): Release descriptor.
9759         (File_read::do_read): Make non-const.  Reopen descriptor.
9760         (File_read::read): Make non-const.
9761         (File_read::make_view): Reopen descriptor.
9762         (File_read::do_readv): Likewise.
9763         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9764         Update declarations.
9765         * layout.cc: Include "descriptors.h".
9766         (Layout::create_build_id): Use open_descriptor rather than open.
9767         * output.cc: Include "descriptors.h".
9768         (Output_file::open): Use open_descriptor rather than open.
9769         * archive.cc (Archive::const_iterator): Change Archive to be
9770         non-const.
9771         (Archive::begin, Archive::end): Make non-const.
9772         (Archive::count_members): Likewise.
9773         * archive.h (class Archive): Update declarations.
9774         * object.h (Object::read): Make non-const.
9775         * Makefile.am (CCFILES): Add descriptors.cc.
9776         (HFILES): Add descriptors.h.
9777         * Makefile.in: Rebuild.
9778
9779         PR 6716
9780         * gold.h: Always include <clocale>.  Add Solaris workarounds
9781         following code in binutils/sysdep.h.
9782
9783         PR 6048
9784         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9785         this->eh_frame_hdr_ is NULL before using it.
9786
9787         * dynobj.cc (Versions::Versions): Update comment.
9788
9789         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9790         the base version name.
9791
9792         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9793         array size plus one.
9794         (Stringpool_template::set_string_offsets): Subtract one from key
9795         before using it as an array index.
9796         (Stringpool_template::get_offset_with_length): Likewise.
9797         (Stringpool_template::write_to_buffer): Likewise.
9798         * stringpool.h (Stringpool_template::get_offset_from_key):
9799         Likewise.
9800
9801 2008-07-23  Ian Lance Taylor  <iant@google.com>
9802
9803         PR 6658
9804         * object.h (Merged_symbol_value::value): Do our best to handle a
9805         negative addend.
9806
9807         PR 6647
9808         * script.cc (Version_script_info::get_versions): Don't add empty
9809         version tag to return value.
9810         (Version_script_info::get_symbol_version_helper): Change return
9811         type to bool.  Add pversion parameter.  Change all callers.
9812         (script_register_vers_node): Don't require a non-NULL tag.
9813         * script.h (class Version_script_info): Update declarations.
9814         (Version_script_info::get_symbol_version): Change return type to
9815         bool.  Add version parameter.  Change all callers.
9816         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9817         handling.  Handle an empty version from a version script.
9818         (Symbol_table::define_special_symbol): Likewise.
9819         * testsuite/ver_test_10.script: New file.
9820         * testsuite/ver_test_10.sh: New file.
9821         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9822         (check_DATA): Add ver_test_10.syms.
9823         (ver_test_10.syms, ver_test_10.so): New target.
9824         * testsuite/Makefile.in: Rebuild.
9825
9826 2008-07-23  Simon Baldwin  <simonb@google.com>
9827
9828         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9829         to zero for undefined symbols from dynamic libraries.
9830
9831 2008-07-23  Ian Lance Taylor  <iant@google.com>
9832
9833         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9834         Change all callers.
9835         * symtab.h (class Symbol_table): Update declaration.
9836         * testsuite/ver_test_9.cc: New file.
9837         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9838         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9839         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9840         (ver_test_9.so, ver_test_9.o): New targets.
9841         * testsuite/Makefile.in: Rebuild.
9842
9843 2008-07-22  Ian Lance Taylor  <iant@google.com>
9844
9845         * options.h (class General_options): Define --check-sections.
9846         * layout.cc (Layout::set_segment_offsets): Handle
9847         --check-sections.
9848
9849         * options.h (class General_options): Define -n/--nmagic and
9850         -N/--omagic.
9851         * options.cc (General_options::finalize): For -n/--nmagic or
9852         -N/--omagic, set -static.
9853         * layout.cc (Layout::attach_allocated_section_to_segment): If
9854         -N/--omagic, don't put read-only and read-write sections in
9855         different segments.
9856         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9857         finding a read-only segment.
9858         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9859         don't set the minimum segment alignment to the common page size,
9860         and don't set the file offset to the address modulo the page size.
9861         * script-sections.cc (Script_sections::create_segments): If
9862         -n/--omagic, don't put read-only and read-write sections in
9863         different segments.
9864
9865         * cref.cc: New file.
9866         * cref.h: New file.
9867         * options.h (class General_options): Add --print-symbol-counts.
9868         * main.cc (main): Issue defined symbol report if requested.
9869         * archive.cc (Archive::interpret_header): Make into a const member
9870         function.
9871         (Archive::add_symbols): Call Input_objects::archive_start and
9872         archive_stop.
9873         (Archive::const_iterator): Define new class.
9874         (Archive::begin, Archive::end): New functions.
9875         (Archive::include_all_members): Rewrite to use iterator.
9876         (Archive::count_members): New function.
9877         * archive.h (class Archive): Update declarations.
9878         (Archive::filename): New function.
9879         * object.cc: Include "cref.h".
9880         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9881         (Sized_relobj::do_get_global_symbol_counts): New function.
9882         (Input_objects::add_object): Add object to cross-referencer.
9883         (Input_objects::archive_start): New function.
9884         (Input_objects::archive_stop): New function.
9885         (Input_objects::print_symbol_counts): New function.
9886         * object.h: Declare Cref and Archive.
9887         (Object::get_global_symbol_counts): New function.
9888         (Object::do_get_global_symbol_counts): New pure virtual function.
9889         (class Sized_relobj): Add defined_count_ field.  Update
9890         declarations.
9891         (class Input_objects): Add cref_ field.  Update constructor.
9892         Update declarations.
9893         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9894         defined_count_.
9895         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9896         symbol counts.
9897         (Sized_dynobj::do_get_global_symbol_counts): New function.
9898         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9899         defined_count_.  Update declarations.  Define Symbols typedef.
9900         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9901         parameter.  Change all callers.
9902         (Symbol_table::add_from_dynobj): Add sympointers and defined
9903         parameters.  Change all callers.
9904         * symtab.h (class Symbol_table): Update declarations.
9905         * Makefile.am (CCFILES): Add cref.cc.
9906         (HFILES): Add cref.h.
9907         * Makefile.in: Rebuild.
9908
9909 2008-07-22  Simon Baldwin  <simonb@google.com>
9910
9911         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9912         to zero when writing undefined symbols.
9913
9914 2008-07-22  Ian Lance Taylor  <iant@google.com>
9915
9916         * output.cc (Output_section::add_input_section): Don't try to
9917         merge empty merge sections.
9918
9919 2008-07-21  Craig Silverstein  <csilvers@google.com>
9920
9921         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9922         Include symbol version in error message.
9923
9924 2008-07-20  Chris Demetriou  <cgd@google.com>
9925
9926         * configure.ac (gold_cv_c_random_seed): New configured variable.
9927         (RANDOM_SEED_CFLAGS): New substituted variable.
9928         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9929         * configure: Rebuild.
9930         * Makefile.in: Likewise.
9931         * testsuite/Makefile.in: Likewise.
9932
9933 2008-07-18  Ian Lance Taylor  <iant@google.com>
9934
9935         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9936         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9937         * testsuite/ver_test_main.cc (main): Call t4.
9938         (t4, t4_2a): Define.
9939         * testsuite/ver_test_2.cc (t4_2): Define.
9940         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9941         * testsuite/ver_test_4.cc (t4_2a): Define.
9942         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9943         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9944
9945 2008-07-17  Ian Lance Taylor  <iant@google.com>
9946
9947         * dynobj.cc (Versions::add_def): If we give an error about a
9948         missing version, go ahead and create the version anyhow.
9949
9950 2008-07-10  Ian Lance Taylor  <iant@google.com>
9951
9952         Handle output sections with more than 0x7fffffff bytes.
9953         * object.h (class Relobj): Change map_to_output_ to
9954         output_sections_, and just keep a section pointer.  Change all
9955         uses.  Move comdat group support to Sized_relobj.
9956         (Relobj::is_section_specially_mapped): Remove.
9957         (Relobj::output_section): Remove poff parameter.  Change all
9958         callers.
9959         (Relobj::output_section_offset): New function.
9960         (Relobj::set_section_offset): Rewrite.
9961         (Relobj::map_to_output): Remove.
9962         (Relobj::output_sections): New function.
9963         (Relobj::do_output_section_offset): New pure virtual function.
9964         (Relobj::do_set_section_offset): Likewise.
9965         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9966         group support from Relobj.  Update declarations.
9967         (Sized_relobj::get_output_section_offset): New function.
9968         (Sized_relobj::do_output_section_offset): New function.
9969         (Sized_relobj::do_set_section_offset): New function.
9970         * object.cc (Relobj::output_section_address): Remove.
9971         (Sized_relobj::Sized_relobj): Initialize new fields.
9972         (Sized_relobj::include_section_group): Cast find_kept_object to
9973         Sized_relobj.
9974         (Sized_relobj::include_linkonce_section): Likewise.
9975         (Sized_relobj::do_layout): Use separate arrays for output section
9976         and output offset.
9977         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9978         output_sections.
9979         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9980         output_sections and section_offsets.
9981         (Sized_relobj::write_local_symbols): Likewise.
9982         (map_to_kept_section): Compute output address directly.
9983         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9984         output_sections and section_offsets.
9985         (Sized_relobj::write_sections): Likewise.
9986         (Sized_relobj::relocate_sections): Likewise.
9987         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9988         * output.h (class Output_reloc): Update declarations.  Change
9989         u2_.relobj to Sized_relobj*.
9990         (class Output_data_reloc): Change add functions to use
9991         Sized_relobj*.
9992         * output.cc (Output_reloc::Output_reloc): Change relobj to
9993         Sized_relobj*.
9994         (Output_reloc::local_section_offset): Change return type to
9995         Elf_Addr.  Use get_output_section_offset.
9996         (Output_reloc::get_address): Likewise.
9997         (Output_section::is_input_address_mapped): Don't call
9998         is_section_specially_mapped.
9999         (Output_section::output_offset): Likewise.
10000         (Output_section::output_address): Likewise.
10001         (Output_section::starting_output_address): Likewise.
10002         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10003         parameter to Sized_relobj*.
10004         (Copy_relocs::need_copy_reloc): Likewise.
10005         (Copy_relocs::save): Likewise.
10006         * copy-relocs.h (class Copy_relocs): Update declarations.
10007         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10008         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10009         * target-reloc.h (relocate_for_relocatable): Change
10010         offset_in_output_section type to Elf_Addr.  Change code that uses
10011         it as well.
10012         * layout.cc (Layout::layout): Always set *off.
10013         * mapfile.cc (Mapfile::print_input_section): Use
10014         output_section_offset.
10015         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10016         Sized_relobj*.
10017         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10018         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10019         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10020
10021 2008-07-03  Ian Lance Taylor  <iant@google.com>
10022
10023         * layout.cc (Layout::include_section): Do not discard unrecognized
10024         SHT_STRTAB sections.
10025
10026 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10027
10028         * script.cc (Lex::can_continue_name): Make '?' allowable in
10029         version-script names.
10030         * testsuite/version_script.map: Change glob pattern to use '?'
10031
10032 2008-06-30  Manish Singh  <yosh@gimp.org>
10033
10034         PR 6585
10035         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10036         Correct typo.
10037
10038 2008-06-30  Ian Lance Taylor  <iant@google.com>
10039
10040         PR 6660
10041         PR 6682
10042         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10043         versions]: Don't try to read the value in the contents, since we
10044         don't use it.  Use the template endianness when writing.
10045
10046 2008-06-25  Cary Coutant  <ccoutant@google.com>
10047
10048         * fileread.cc (File_read::make_view): Assert on zero-length view.
10049         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10050         symbol table when there are no symbols to read.
10051
10052 2008-06-23  Craig Silverstein  <csilvers@google.com>
10053
10054         * version.cc (version_string): Bump to 1.7
10055
10056 2008-06-18  Craig Silverstein  <csilvers@google.com>
10057
10058         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10059         constant 0xFFFF to type Valtype.
10060         (Powerpc_relocate_functions::rel16_ha): Likewise.
10061
10062 2008-06-17  Ian Lance Taylor  <iant@google.com>
10063
10064         * output.h (Output_section::Input_section): Initialize p2align_ to
10065         zero for Output_section_data constructors.
10066         (Output_section::Input_section::addralign): If not an input
10067         section, return the alignment of the Output_section_data.
10068         * testsuite/copy_test.cc: New file.
10069         * testsuite/copy_test_1.cc: New file.
10070         * testsuite/copy_test_2.cc: New file.
10071         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10072         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10073         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10074         (copy_test_1_pic.o, copy_test_1.so): New targets.
10075         (copy_test_2_pic.o, copy_test_2.so): New targets.
10076         * testsuite/Makefile.in: Rebuild.
10077
10078         * script-sections.cc (Script_sections::place_orphan): Initialize
10079         local variable exact.
10080
10081 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10082
10083         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10084
10085 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10086             David S. Miller  <davem@davemloft.net>
10087
10088         * powerpc.cc: New file.
10089         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10090         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10091         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10092         * Makefile.in: Rebuild.
10093
10094 2008-06-09  Ian Lance Taylor  <iant@google.com>
10095
10096         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10097         <exception>.
10098         (throwing, orig_terminate): New static variables.
10099         (terminate_handler): New static function.
10100         (t2): Set terminate handler.
10101
10102 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10103
10104         PR 6584
10105         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10106         alignment.
10107
10108 2008-05-30  Cary Coutant  <ccoutant@google.com>
10109
10110         * archive.cc (Archive::include_all_members) Correct to step
10111         over symbol table and extended name table in thin archives.
10112
10113 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10114
10115         PR 6407
10116         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10117         calculation.
10118
10119 2008-05-28  Caleb Howe  <cshowe@google.com>
10120
10121         * reduced_debug_output.cc: New file.
10122         * reduced_debug_output.h: New file.
10123         * options.h (class General_options): Add --strip-debug-non-line.
10124         * options.cc (General_options::finalize): Add strip_debug_non_line
10125         to the strip heirarchy.
10126         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10127         fields.
10128         * layout.cc: Include "reduced_debug_output.h".
10129         (Layout::Layout): Initialize new fields.
10130         (line_only_debug_sections): New static array.
10131         (is_lines_only_debug_sections): New static inline function.
10132         (Layout::include_section): Handle --strip-debug-non-line.
10133         (Layout::make_output_section): If --strip-debug-non-line, build
10134         new output sections for .debug_abbrev and .debug_info.
10135         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10136         gold.  Warn about possible overflow.
10137         (read_signed_LEB_128): Likewise.
10138         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10139         (read_signed_LEB_128): Declare.
10140         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10141         (HFILES): Add reduced_debug_output.h.
10142         * Makefile.in: Rebuild.
10143
10144 2008-05-21  Ian Lance Taylor  <iant@google.com>
10145
10146         * mapfile.cc: New file.
10147         * mapfile.h: New file.
10148         * options.h (class General_options): Add -M/--print-map and -Map.
10149         * options.cc (General_options::finalize): Make -M equivalent to
10150         -Map -.
10151         * main.cc: Include <cstdio> and "mapfile.h".
10152         (main): Open mapfile if requested.
10153         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10154         constructor.  Change caller.
10155         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10156         (queue_middle_tasks): Likewise.
10157         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10158         declarations.
10159         * archive.cc: Include "mapfile.h".
10160         (Archive::add_symbols): Add mapfile parameter.  Change all
10161         callers.  Pass mapfile, symbol, and reason to include_member.
10162         (Archive::include_all_members): Add mapfile parameter.  Change all
10163         callers.
10164         (Archive::include_member): Add mapfile, sym, and why parameters.
10165         Change all callers.  Report inclusion to map file.
10166         * archive.h: Include "fileread.h".
10167         (class Archive): Update declarations.
10168         (Archive::file): New const method.
10169         (class Add_archive_symbols): Add mapfile_ field.  Update
10170         constructor.  Change all callers.
10171         * readsyms.h (class Read_symbols): Likewise.
10172         (class Finish_group): Likewise.
10173         (class Read_script): Likewise.
10174         * common.cc: Include "mapfile.h".
10175         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10176         all callers.
10177         (Symbol_table::do_allocate_commons): Likewise.
10178         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10179         symbol allocation to mapfile.
10180         * common.h (class Allocate_commons_task): Add mapfile_ field.
10181         Update constructor.  Change all callers.
10182         * symtab.h (class Symbol_table): Update declarations.
10183         * layout.cc: Include "mapfile.h".
10184         (Layout_task_runner::run): Print information to mapfile.
10185         (Layout::create_gold_note): Change Output_data_fixed_space to
10186         Output_data_zero_fill.
10187         (Layout::create_build_id): Likewise.
10188         (Layout::print_to_mapfile): New function.
10189         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10190         constructor.  Change caller.
10191         (class Layout): Declare print_to_mapfile.
10192         * output.cc (Output_section::Input_section::print_to_mapfile): New
10193         function.
10194         (Output_section::add_input_section): If producing a map, always
10195         add to input_sections_ list.
10196         (Output_section::do_print_to_mapfile): New function.
10197         (Output_segment::print_sections_to_mapfile): New function.
10198         (Output_segment::print_section_list_to_mapfile): New function.
10199         * output.h: Include "mapfile.h".
10200         (Output_data::print_to_mapfile): New function.
10201         (Output_data::do_print_to_mapfile): New virtual function.
10202         (Output_segment_headers::do_print_to_mapfile): New function.
10203         (Output_file_header::do_print_to_mapfile): New function.
10204         (Output_data_const::do_print_to_mapfile): New function.
10205         (class Output_data_const_buffer): Add map_name_ field.  Update
10206         constructor.  Change all callers.  Add do_print_to_mapfile
10207         function.
10208         (class Output_data_fixed_space): Likewise.
10209         (class Output_data_space): Likewise.
10210         (class Output_data_zero_fill): New class.
10211         (Output_data_strtab::do_print_to_mapfile): New function.
10212         (Output_data_reloc_base::do_print_to_mapfile): New function.
10213         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10214         (Output_data_group::do_print_to_mapfile): New function.
10215         (Output_data_got::do_print_to_mapfile): New function.
10216         (Output_data_dynamic::do_print_to_mapfile): New function.
10217         (Output_symtab_xindex::do_print_to_mapfile): New function.
10218         (class Output_section): Declare do_print_to_mapflie.  Declare
10219         print_to_mapfile in Input_section.
10220         (class Output_segment): Declare new functions.
10221         * object.h (Sized_relobj::symbol_count): New function.
10222         * script-sections.cc
10223         (Output_section_element_dot_assignment::set_section_addresses):
10224         Change Output_data_fixed_space to Output_data_zero_fill.
10225         (Output_data_expression::do_print_to_mapfile): New function.
10226         * script.cc (read_input_script): Add mapfile parameter.  Change
10227         all callers.
10228         * script.h (read_input_script): Update declaration.
10229         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10230         (Eh_frame::do_print_to_mapfile): New function.
10231         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10232         (Output_merge_string::do_print_to_mapfile): New function.
10233         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10234         function.
10235         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10236         function.
10237         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10238         function.
10239         * Makefile.am (CCFILES): Add mapfile.cc.
10240         (HFILES): Add mapfile.h.
10241         * Makefile.in: Rebuild.
10242
10243 2008-05-19  Ian Lance Taylor  <iant@google.com>
10244
10245         * options.h (class General_options): Add -z relro.
10246         * layout.cc (Layout::Layout): Initialize relro_segment_.
10247         (Layout::add_output_section_data): Return the output section.
10248         (Layout::make_output_section): Rcognize relro sections and mark
10249         them appropriately.
10250         (Layout::attach_allocated_section_to_segment): Put relro sections
10251         in a PT_GNU_RELRO segment.
10252         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10253         section as relro.
10254         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10255         PT_TLS segments.
10256         (Layout::linkonce_mapping): Map d.rel.ro.local to
10257         .data.rel.ro.local.
10258         (Layout::output_section_name): Us .data.rel.ro.local for any
10259         section which begins with that.
10260         * layout.h (class Layout): Update add_output_section_data
10261         declaration.  Add relro_segment_ field.
10262         * output.cc (Output_section::Output_section): Initialize is_relro_
10263         and is_relro_local_ fields.
10264         (Output_segment::add_output_section): Group relro sections.
10265         (Output_segment::is_first_section_relro): New function.
10266         (Output_segment::maximum_alignment): If there is a relro section,
10267         align the segment to the common page size.
10268         (Output_segment::set_section_addresses): Track whether we are
10269         looking at relro sections.  If the last section is a relro
10270         section, align to the common page size.
10271         (Output_segment::set_section_list_addresses): Add in_relro
10272         parameter.  Change all callers.  Align to the page size when
10273         moving from relro to non-relro section.
10274         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10275         segment.
10276         * output.h (class Output_section): Add is_relro_ and
10277         is_relro_local_ fields.
10278         (Output_section::is_relro): New function.
10279         (Output_section::set_is_relro): New function.
10280         (Output_section::is_relro_local): New function.
10281         (Output_section::set_is_relro_local): New function.
10282         (class Output_segment): Update declarations.
10283         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10284         * sparc.cc (Target_sparc::got_section): Likewise.
10285         * x86_64.cc (Target_x86_64::got_section): Likewise.
10286         * testsuite/relro_test_main.cc: New file.
10287         * testsuite/relro_test.cc: New file.
10288         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10289         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10290         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10291         (relro_test.so, relro_test_pic.o): New targets.
10292         * testsuite/Makefile.in: Rebuild.
10293
10294 2008-05-16  Ian Lance Taylor  <iant@google.com>
10295
10296         * output.cc (Output_segment::add_output_section): Remove front
10297         parameter.
10298         * output.h (class Output_segment): Remove
10299         add_initial_output_section and overloaded add_output_section.
10300         Update declaration of remaining add_output_section.
10301         * layout.cc (Layout::create_interp): Call add_output_section
10302         rather than add_initial_output_section.
10303         (Layout::finish_dynamic_section): Likewise.
10304
10305         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10306         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10307         know the dynamic type.
10308         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10309         field.  Initialize it in constructor.
10310         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10311         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10312         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10313         reloc.
10314
10315         * output.cc (Output_reloc::get_address): Change return type to
10316         Elf_Addr.
10317         * output.h (class Output_reloc): Update get_address declaration.
10318         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10319         for section addresses.
10320
10321 2008-05-09  Ian Lance Taylor  <iant@google.com>
10322
10323         PR 6493
10324         * gold.cc (gold_nomem): Use return value of write.
10325
10326 2008-05-08  Ian Lance Taylor  <iant@google.com>
10327
10328         * symtab.c (Symbol::init_base_output_data): Add version
10329         parameter.  Change all callers.
10330         (Symbol::init_base_output_segment): Likewise.
10331         (Symbol::init_base_constant): Likewise.
10332         (Symbol::init_base_undefined): Likewise.
10333         (Sized_symbol::init_output_data): Likewise.
10334         (Sized_symbol::init_output_segment): Likewise.
10335         (Sized_symbol::init_constant): Likewise.
10336         (Sized_symbol::init_undefined): Likewise.
10337         (Symbol_table::do_define_in_output_data): If the new symbol has a
10338         version, mark it as the default.
10339         (Symbol_table::do_define_in_output_segment): Likewise.
10340         (Symbol_table::do_define_as_constant): Likewise.
10341         * symtab.h (class Symbol): Update declarations.
10342         (class Sized_symbol): Likewise.
10343         * resolve.cc (Symbol::override_version): New function.
10344         (Symbol::override_base): Call override_version.
10345         (Symbol::override_base_with_special): Likewise.
10346         * testsuite/ver_script_8.script: New file.
10347         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10348         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10349         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10350         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10351
10352 2008-05-06  Ian Lance Taylor  <iant@google.com>
10353
10354         PR 6049
10355         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10356         functions.
10357         (class General_options): Remove existing --undefined, and add
10358         --no-undefined instead.  Add new --undefined as synonym for -u.
10359         * archive.cc (Archive::add_symbols): Check whether symbol was
10360         named with -u.
10361         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10362         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10363         all uses.  Add IS_UNDEFINED.  Update declarations to split
10364         different versions of init_base.  Declare init_base_undefined.
10365         (Symbol::is_defined): Handle IS_UNDEFINED.
10366         (Symbol::is_undefined): Likewise.
10367         (Symbol::is_weak_undefined): Call is_undefined.
10368         (Symbol::is_absolute): Handle IS_CONSTANT.
10369         (class Sized_symbol): Update declarations to split different
10370         versions of init.  Declare init_undefined.
10371         (class Symbol_table): Declare new functions.
10372         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10373         Change all callers.
10374         (Symbol::init_base_output_data): Likewise.
10375         (Symbol::init_base_output_segment): Likewise.
10376         (Symbol::init_base_constant): Likewise.
10377         (Symbol::init_base_undefined): New function.
10378         (Sized_symbol::init_object): Rename from init.  Change all
10379         callers.
10380         (Sized_symbol::init_output_data): Likewise.
10381         (Sized_symbol::init_output_segment): Likewise.
10382         (Sized_symbol::init_constant): Likewise.
10383         (Sized_symbol::init_undefined): New function.
10384         (Symbol_table::add_undefined_symbols_from_command_line): New
10385         function.
10386         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10387         function.
10388         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10389         (Symbol::output_section): Likewise.
10390         (Symbol::set_output_section): Likewise.
10391         (Symbol_table::sized_finalize_symbol): Likewise.
10392         (Symbol_table::sized_write_globals): Likewise.
10393         * resolve.cc (Symbol_table::should_override): Likewise.
10394         (Symbol::override_base_with_special): Likewise.
10395
10396         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10397         symbol, change it to have default visibility.
10398         * testsuite/protected_1.cc: New file.
10399         * testsuite/protected_2.cc: New file.
10400         * testsuite/protected_3.cc: New file.
10401         * testsuite/protected_main_1.cc: New file.
10402         * testsuite/protected_main_2.cc: New file.
10403         * testsuite/protected_main_3.cc: New file.
10404         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10405         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10406         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10407         (protected_1.so): New target.
10408         (protected_1_pic.o, protected_2_pic.o): New targets.
10409         (protected_3_pic.o): New target.
10410         (check_PROGRAMS): Add protected_2.
10411         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10412         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10413         * testsuite/Makefile.in: Rebuild.
10414
10415         * options.h (DEFINE_var): Add set_user_set_##varname__.
10416         (DEFINE_bool_alias): New macro.
10417         (class General_options): Define -Bstatic using DEFINE_bool_alias
10418         rather than DEFINE_special.  Add --undefined as an alias for -z
10419         defs.
10420         * options.cc (General_options::parse_Bstatic): Remove.
10421
10422         * options.h (class General_options): Add --fatal-warnings.
10423         * main.cc (main): Implement --fatal-warnings.
10424         * errors.h (Errors::warning_count): New function.
10425
10426         * options.h (class General_options): Add -Bsymbolic-functions.
10427         * symtab.h (Symbol::is_preemptible): Check for
10428         -Bsymbolic-functions.
10429
10430 2008-05-05  Ian Lance Taylor  <iant@google.com>
10431
10432         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10433         as noVARNAME rather than no-VARNAME.
10434         (class General_options): Add option -z combreloc.
10435         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10436         get_address.
10437         (Output_reloc::sort_before) [SHT_REL]: New function.
10438         (Output_reloc::sort_before) [SHT_RELA]: New function.
10439         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10440         Sort_relocs_comparison.
10441         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10442         parameter.  Change all callers.
10443         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10444         sort_relocs parameter.  Change all callers.
10445         * output.cc (Output_reloc::get_address): New function, broken out
10446         of write_rel.
10447         (Output_reloc::write_rel): Call it.
10448         (Output_reloc::compare): New function.
10449         (Output_data_reloc_base::do_write): Optionally sort relocs.
10450
10451         * configure.ac: If targ_extra_obj is set, link it in.
10452         * configure.tgt: Initialize all variables.
10453         (x86_64*): Set targ_extra_obj and targ_extra_size.
10454         * configure: Rebuild.
10455
10456         * object.cc (Sized_relobj::include_section_group): Adjust section
10457         indexes read from group data.  Build vector to pass to
10458         layout_group.
10459         * layout.cc (Layout::layout_group): Add flags and shndxes
10460         parameters.  Remove contents parameter.  Change caller.  Update
10461         explicit instantiations.
10462         * layout.h (class Layout): Update layout_group declaration.
10463         * output.cc (Output_data_group::Output_data_group): Add flags and
10464         input_shndxes parameters.  Remove contents parameter.  Change
10465         caller.
10466         (Output_data_group::do_write): Change input_sections_ to
10467         input_shndxes_.
10468         * output.h (class Output_data_group): Update constructor
10469         declaration.  Rename input_sections_ to input_shndxes_.
10470         * testsuite/many_sections_test.cc: Add template.
10471
10472 2008-04-30  Cary Coutant  <ccoutant@google.com>
10473
10474         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10475
10476         * layout.cc (Layout::include_section): Refactored check for debug
10477         info section.
10478         (Layout::add_comdat): Add new parameters.  Change type
10479         of signature parameter.  Add object and shndx to signatures table.
10480         (Layout::find_kept_object): New function.
10481         * layout.h: Include <cstring>.
10482         (Layout::is_debug_info_section): New function.
10483         (Layout::add_comdat): Add new parameters.
10484         (Layout::find_kept_object): New function.
10485         (Layout::Kept_section): New struct.
10486         (Layout::Signatures): Change type of map range.
10487         * object.cc (Relobj::output_section_address): New function.
10488         (Sized_relobj::include_section_group): Add new parameters.  Change
10489         calls to Layout::add_comdat.  Change to build table of kept comdat
10490         groups and table mapping discarded sections to kept sections.
10491         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10492         (Sized_relobj::do_layout): Change calls to include_section_group and
10493         include_linkonce_section.
10494         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10495         value to zero when section is discarded.
10496         (Sized_relobj::map_to_kept_section): New function.
10497         * object.h (Relobj::output_section_address): New function.
10498         (Relobj::Comdat_group): New type.
10499         (Relobj::find_comdat_group): New function.
10500         (Relobj::Comdat_group_table): New type.
10501         (Relobj::Kept_comdat_section): New type.
10502         (Relobj::Kept_comdat_section_table): New type.
10503         (Relobj::add_comdat_group): New function.
10504         (Relobj::set_kept_comdat_section): New function.
10505         (Relobj::get_kept_comdat_section): New function.
10506         (Relobj::comdat_groups_): New field.
10507         (Relobj::kept_comdat_sections_): New field.
10508         (Symbol_value::input_value): Update comment.
10509         (Sized_relobj::map_to_kept_section) New function.
10510         (Sized_relobj::include_linkonce_section): Add new parameter.
10511         * target-reloc.h (Comdat_behavior): New type.
10512         (get_comdat_behavior): New function.
10513         (relocate_section): Add code to map a discarded section to the
10514         corresponding kept section when applying a relocation.
10515
10516 2008-04-30  Craig Silverstein  <csilvers@google.com>
10517
10518         * dwarf_reader.cc (next_generation_count): New static var.
10519         (Addr2line_cache_entry): New struct.
10520         (addr2line_cache): New static var.
10521         (Dwarf_line_info::one_addr2line): Added caching.
10522         (Dwarf_line_info::clear_addr2line_cache): New function.
10523         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10524         cache-size parameter.
10525         (Dwarf_line_info::one_addr2line_cache): New function.
10526         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10527         new cache-size argument to one_addr2line(), and clear cache.
10528
10529 2008-04-28  Cary Coutant  <ccoutant@google.com>
10530
10531         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10532         R_386_PC8 relocations.
10533
10534 2008-04-23  Ian Lance Taylor  <iant@google.com>
10535
10536         * object.cc (Sized_relobj::include_section_group): Check for
10537         invalid section group.
10538
10539         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10540         header size.
10541
10542         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10543         than read for file header.
10544         * archive.cc (Archive::include_member): Likewise.
10545
10546 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10547
10548         * aclocal.m4: Regenerate.
10549         * configure: Regenerate.
10550
10551 2008-04-19  Ian Lance Taylor  <iant@google.com>
10552
10553         * version.cc (version_string): Bump to 1.6.
10554
10555         * testsuite/Makefile.am (many_sections_r_test): New target.
10556         (many_sections_r_test_SOURCES): Remove.
10557         (many_sections_r_test_DEPENDENCIES): Remove.
10558         (many_sections_r_test_LDFLAGS): Remove.
10559         (many_sections_r_test_LDADD): Remove.
10560
10561         * object.cc (Sized_relobj::do_add_symbols): Always pass
10562         local_symbol_count_ to add_from_relobj.
10563
10564         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10565         every thousand variables.
10566         * testsuite/Makefile.in: Rebuild.
10567
10568         * object.cc (Xindex::initialize_symtab_xindex): New function.
10569         (Xindex::read_symtab_xindex): New function.
10570         (Xindex::sym_xindex_to_shndx): New function.
10571         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10572         available.
10573         (Sized_relobj::do_initialize_xindex): New function.
10574         (Sized_relobj::do_read_symbols): Adjust section links.
10575         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10576         parameter.  Change all callers.
10577         (Sized_relobj::include_section_group): Adjust section links and
10578         symbol section indexes.
10579         (Sized_relobj::do_layout): Adjust section links.
10580         (Sized_relobj::do_count_local_symbols): Adjust section links and
10581         symbol section indexes.
10582         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10583         ordinary and special symbols.
10584         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10585         dynsym_xindex parameters.  Change all callers.  Adjust section
10586         links.  Use SHN_XINDEX when needed.
10587         (Sized_relobj::get_symbol_location_info): Adjust section links.
10588         Don't get fooled by special symbols.
10589         * object.h (class Xindex): Define.
10590         (class Object): Add xindex_ parameter.  Declare virtual functoin
10591         do_initialize_xindex.
10592         (Object::adjust_sym_shndx): New function.
10593         (Object::set_xindex): New protected function.
10594         (class Symbol_value): Add is_ordinary_shndx_ field.
10595         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10596         (Symbol_value::value): Assert ordinary section.
10597         (Symbol_value::initialize_input_to_output_map): Likewise.
10598         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10599         Change all callers.
10600         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10601         all callers.
10602         (class Sized_relobj): Update declarations.
10603         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10604         parameter.  Change all callers.
10605         (Sized_relobj::adjust_shndx): New function.
10606         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10607         field.
10608         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10609         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10610         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10611         (Sized_dynobj::read_dynsym_section): Adjust section links.
10612         (Sized_dynobj::read_dynamic): Likewise.
10613         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10614         section links.
10615         (Sized_dynobj::do_initialize_xindex): New function.
10616         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10617         do_initialize_xindex.
10618         (Sized_dynobj::adjust_shndx): New function.
10619         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10620         dynsym_xindex_ fields.
10621         (Layout::finalize): Add a call to set_section_indexes before
10622         creating the symtab sections.
10623         (Layout::set_section_indexes): Don't do anything if the section
10624         already has a section index.
10625         (Layout::create_symtab_sections): Add shnum parameter.  Change
10626         caller.  Create .symtab_shndx section if needed.
10627         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10628         caller.
10629         (Layout::allocated_output_section_count): New function.
10630         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10631         needed.
10632         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10633         fields.  Update declarations.
10634         (Layout::symtab_xindex): New function.
10635         (Layout::dynsym_xindex): New function.
10636         (class Write_symbols_task): Add layout_ field.
10637         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10638         Change caller.
10639         * output.cc (Output_section_headers::Output_section_headers): Add
10640         shstrtab_section parameter.  Change all callers.
10641         (Output_section_headers::do_sized_write): Store overflow values
10642         for section count and section string table section index in
10643         section header zero.
10644         (Output_file_header::do_sized_write): Check for overflow of
10645         section count and section string table section index.
10646         (Output_symtab_xindex::do_write): New function.
10647         (Output_symtab_xindex::endian_do_write): New function.
10648         * output.h (class Output_section_headers): Add shstrtab_section_.
10649         Update declarations.
10650         (class Output_symtab_xindex): Define.
10651         (Output_section::has_out_shndx): New function.
10652         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10653         field.
10654         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10655         Change all callers.
10656         (Sized_symbol::init): Likewise.
10657         (Symbol::output_section): Check for ordinary symbol.
10658         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10659         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10660         callers.
10661         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10662         Change all callers.  Simplify handling of symbols from sections
10663         not included in the link.
10664         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10665         distinction.
10666         (Weak_alias_sorter::operator()): Assert that symbols are
10667         ordinary.
10668         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10669         distinction.
10670         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10671         parameters.  Change all callers.
10672         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10673         symbol distinction.  Use SHN_XINDEX when needed.
10674         (Symbol_table::write_section_symbol): Add symtab_xindex
10675         parameter.  Change all callers.
10676         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10677         SHN_XINDEX when needed.
10678         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10679         declarations.
10680         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10681         (Symbol::is_defined): Check is_ordinary.
10682         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10683         (Symbol::is_absolute, Symbol::is_common): Likewise.
10684         (class Sized_symbol): Update declarations.
10685         (class Symbol_table): Update declarations.
10686         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10687         parameters.  Change all callers.
10688         (Sized_symbol::override): Likewise.
10689         (Symbol_table::override): Likewise.
10690         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10691         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10692         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10693         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10694         to be in an ordinary section.
10695         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10696         object and is_ordinary parameters.  Change all callers.
10697         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10698         Change all callers.  Don't add undefined or non-ordinary symbols
10699         to reloc_map_.
10700         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10701         Change all callers.
10702         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10703         declarations.
10704         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10705         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10706         (Sized_relobj::relocate_sections): Likewise.
10707         * target-reloc.h (scan_relocs): Adjust section symbol index.
10708         (scan_relocatable_relocs): Likewise.
10709         * i386.cc (Scan::local): Check for ordinary symbols.
10710         * sparc.cc (Scan::local): Likewise.
10711         * x86_64.cc (Scan::local): Likewise.
10712         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10713         to symbol_section_and_value.
10714         * testsuite/many_sections_test.cc: New file.
10715         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10716         (check_PROGRAMS): Add many_sections_test.
10717         (many_sections_test_SOURCES): Define.
10718         (many_sections_test_DEPENDENCIES): Define.
10719         (many_sections_test_LDFLAGS): Define.
10720         (BUILT_SOURCES): Add many_sections_define.h.
10721         (many_sections_define.h): New target.
10722         (BUILT_SOURCES): Add many_sections_check.h.
10723         (many_sections_check.h): New target.
10724         (check_PROGRAMS): Add many_sections_r_test.
10725         (many_sections_r_test_SOURCES): Define.
10726         (many_sections_r_test_DEPENDENCIES): Define.
10727         (many_sections_r_test_LDFLAGS): Define.
10728         (many_sections_r_test_LDADD): Define.
10729         (many_sections_r_test.o): New target.
10730         * testsuite/Makefile.in: Rebuild.
10731
10732 2008-04-17  Cary Coutant  <ccoutant@google.com>
10733
10734         * errors.cc (Errors::info): New function.
10735         (gold_info): New function.
10736         * errors.h (Errors::info): New function.
10737         * gold.h (gold_info): New function.
10738         * object.cc (Input_objects::add_object): Print trace output.
10739         * options.cc (options::parse_set): New function.
10740         (General_options::parse_wrap): Deleted.
10741         (General_options::General_options): Deleted initializer.
10742         * options.h (options::String_set): New typedef.
10743         (options::parse_set): New function.
10744         (DEFINE_set): New macro.
10745         (General_options::wrap): Changed to use DEFINE_set. Changed
10746         callers of any_wrap_symbols and is_wrap_symbol.
10747         (General_options::trace, General_options::trace_symbol):
10748         New options.
10749         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10750         (General_options::wrap_symbols_): Deleted.
10751         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10752
10753 2008-04-17  David S. Miller  <davem@davemloft.net>
10754
10755         * options.cc (General_options::parse_V): New function.
10756         * options.h: Add entries for -V and -Qy.
10757
10758 2008-04-17  Ian Lance Taylor  <iant@google.com>
10759
10760         * common.cc (Symbol_table::allocate_commons): Remove options
10761         parameter.  Change caller.
10762         (Symbol_table::do_allocate_commons): Remove options parameter.
10763         Change caller.  Just call do_allocate_commons_list twice.
10764         (Symbol_table::do_allocate_commons_list): New function, broken out
10765         of do_allocate_commons.
10766         * common.h (class Allocate_commons_task): Remove options_ field.
10767         Update constructor.
10768         * symtab.cc (Symbol_table::Symbol_table): Initialize
10769         tls_commons_.
10770         (Symbol_table::add_from_object): Put TLS common symbols on
10771         tls_commons_ list.
10772         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10773         which are IN_OUTPUT_DATA.
10774         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10775         allocate_commons and do_allocate_commons declarations.  Declare
10776         do_allocate_commons_list.
10777         * gold.cc (queue_middle_tasks): Update creation of
10778         Allocate_commons_task to not pass options.
10779         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10780         (TLS_TEST_C_FLAGS): New variable.
10781         (tls_test_c_pic.o): New target.
10782         (tls_test_shared.so): Link in tls_test_c_pic.o.
10783         (tls_test_c_pic_ie.o): New target.
10784         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10785         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10786         (tls_test_c.o): New target.
10787         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10788         (tls_pic_test_LDADD): Likewise.
10789         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10790         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10791         (tls_test_c_gnu2.o): New target.
10792         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10793         tls_test_c_gnu2.o.
10794         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10795         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10796         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10797         * testsuite/tls_test.cc: Include "config.h".
10798         (t_last): Call t11_last.
10799         * testsuite/tls_test.h (t11, t11_last): Declare.
10800         * testsuite/tls_test_c.c: New file.
10801         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10802         * configure.ac: Check for OpenMP support.
10803         * configure, config.in, Makefile.in: Rebuild.
10804         * testsuite/Makefile.in: Rebuild.
10805
10806 2008-04-16  Cary Coutant  <ccoutant@google.com>
10807
10808         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10809         (Target_i386::tls_base_symbol_defined_): New field.
10810         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10811         (Target_i386::Scan::global): Likewise.
10812         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10813         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10814         (Target_x86_64::tls_base_symbol_defined_): New field.
10815         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10816         (Target_x86_64::Scan::global): Likewise.
10817
10818 2008-04-16  Cary Coutant  <ccoutant@google.com>
10819
10820         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10821         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10822         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10823         building shared libraries.
10824         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10825         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10826         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10827         * testsuite/Makefile.in: Rebuild.
10828         * testsuite/weak_undef.h: New file.
10829         * testsuite/weak_undef_file1.cc: Add extra test cases.
10830         * testsuite/weak_undef_file2.cc: Likewise.
10831         * testsuite/weak_undef_test.cc: Likewise.
10832
10833 2008-04-16  David S. Miller  <davem@davemloft.net>
10834
10835         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10836         Add issued_non_pic_error_ field.  Declare check_non_pic.
10837         (Target_sparc::Scan::check_non_pic): New function.
10838         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10839         (Target_sparc::Scan::global): Likewise.
10840
10841         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10842         * configure: Rebuild.
10843
10844         * options.h (DEFINE_enable): New macro.
10845         (new_dtags): New enable option.
10846         (initfirst, interpose, loadfltr, nodefaultlib,
10847         nodelete, nodlopen, nodump): New -z options.
10848         * layout.cc (Layout:finish_dynamic_section): If new
10849         dtags enabled, emit DT_RUNPATH.  Also, emit a
10850         DT_FLAGS_1 containing any specified -z flags.
10851
10852 2008-04-16  Ian Lance Taylor  <iant@google.com>
10853
10854         * copy-relocs.cc: New file.
10855         * copy-relocs.h: New file.
10856         * reloc.cc: Remove Copy_relocs code.
10857         * reloc.h: Likewise.
10858         * reloc-types.h (struct Reloc_types) [both versions]: Add
10859         get_reloc_addend_noerror.
10860         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10861         variants of add_global which take an addend which must be zero.
10862         * i386.cc: Include "copy-relocs.h".
10863         (class Target_i386): Change type of copy_relocs_ to variable,
10864         update initializer.
10865         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10866         Change all callers.
10867         (Target_i386::do_finalize_sections): Change handling of
10868         copy_relocs_.
10869         * sparc.cc: Include "copy-relocs.h".
10870         (class Target_sparc): Change type of copy_relocs_ to variable,
10871         update initializer.
10872         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10873         Change all callers.
10874         (Target_sparc::do_finalize_sections): Change handling of
10875         copy_relocs_.
10876         * x86_64.cc: Include "copy-relocs.h".
10877         (class Target_x86_64): Change type of copy_relocs_ to variable,
10878         update initializer.
10879         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10880         class.  Change all callers.
10881         (Target_x86_64::do_finalize_sections): Change handling of
10882         copy_relocs_.
10883         * Makefile.am (CCFILES): Add copy-relocs.cc.
10884         (HFILES): Add copy-relocs.h.
10885
10886         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10887
10888         * testsuite/script_test_4.sh: Permit leading zeroes.
10889
10890 2008-04-15  Ian Lance Taylor  <iant@google.com>
10891
10892         * script-sections.cc (Script_sections::create_segments): Use
10893         header_size_adjustment even when there is enough room for the
10894         headers.
10895         * testsuite/script_test_4.sh: New file.
10896         * testsuite/script_test_4.t: New file.
10897         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10898         (check_DATA): Add script_test_4.stdout.
10899         (MOSTLYCLEANFILES): Likewise.
10900         (script_test_4): New target.
10901         (script_test_4.stdout): New target.
10902         * testsuite/Makefile.in: Rebuild.
10903
10904         * sparc.cc: Add definitions for Output_data_plt_sparc class
10905         constants.
10906
10907 2008-04-14  David S. Miller  <davem@davemloft.net>
10908
10909         * sparc.cc: New file.
10910         * Makefile.am (TARGETSOURCES): Add sparc.cc
10911         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10912         * configure.tgt: Document targ_extra_size and
10913         targ_extra_big_endian.  Add entries for sparc-* and
10914         sparc64-*.
10915         * configure.ac: Handle targ_extra_size and
10916         targ_extra_big_endian.
10917         * Makefile.in: Rebuild.
10918         * configure: Likewise.
10919         * po/POTFILES.in: Likewise.
10920         * po/gold.pot: Likewise.
10921
10922 2008-04-14  Ian Lance Taylor  <iant@google.com>
10923
10924         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10925         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10926         in the name/type/flags to section mapping.  Don't call
10927         allocate_output_section.
10928         (Layout::choose_output_section): Change parameter from adjust_name
10929         to is_input_section.  Don't permit input sections after sections
10930         are attached to segments.  Don't call allocate_output_section.
10931         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10932         not write_enable_output_section.
10933         (Layout::make_output_section): Don't push to
10934         unattached_section_list_ nor call attach_to_segment.  Call
10935         attach_section_to_segment if sections are attached.
10936         (Layout::attach_sections_to_segments): New function.
10937         (Layout::attach_section_to_segment): New function.
10938         (Layout::attach_allocated_section_to_segment): Rename from
10939         attach_to_segment.  Remove flags parameter.
10940         (Layout::allocate_output_section): Remove function.
10941         (Layout::write_enable_output_section): Remove function.
10942         * layout.h (class Layout): Update for above changes.  Add new
10943         field sections_are_attached_.
10944         * output.h (Output_section::update_flags_for_input_section): New
10945         function.
10946         * output.cc (Output_section::add_input_section): Call
10947         update_flags_for_input_section.
10948         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10949
10950 2008-04-11  Cary Coutant  <ccoutant@google.com>
10951
10952         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10953         thought unnecessary.
10954         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10955
10956 2008-04-11  Ian Lance Taylor  <iant@google.com>
10957
10958         * output.h (class Output_section_data): Remove inline definition
10959         of set_addralign.
10960         * output.cc (Output_section_data::set_addralign): New function.
10961
10962 2008-04-11  Cary Coutant  <ccoutant@google.com>
10963
10964         Add support for TLS descriptors for i386 and x86_64.
10965         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10966         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10967         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10968         GOT_TYPE_TLS_DESC.
10969         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10970         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10971         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10972         relocations.
10973         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10974         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10975         Fix problem with initial-exec relocations.
10976         (Target_i386::Relocate::relocate_tls): Likewise.
10977         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10978         relaxation.
10979         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10980         support for section-plus-offset dynamic table entries.
10981         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10982         (Output_data_dynamic::Dynamic_entry): Add support for
10983         section-plus-offset dynamic table entries.
10984         (Output_data_dynamic::Classification): Likewise.
10985         (Output_data_dynamic::classification_): Renamed offset_.
10986         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10987         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10988         (Target_x86_64::make_plt_section): New function.
10989         (Target_x86_64::reserve_tlsdesc_entries): New function.
10990         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10991         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10992         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10993         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10994         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10995         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10996         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10997         add extra PLT entry for TLS descriptors.
10998         (Output_data_plt_x86_64::got_): New field.
10999         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11000         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11001         fields.
11002         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11003         descriptors.
11004         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11005         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11006         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11007         R_386_TLS_DESC_CALL relocations.
11008         (Target_x86_64::Scan::global): Likewise.
11009         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11010         for TLS descriptors.
11011         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11012         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11013         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11014         GD-to-IE relaxation.
11015         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11016         and TLS_DESCRIPTORS.
11017         * Makefile.in: Rebuild.
11018         * configure: Rebuild.
11019         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11020         (tls_test_shared2.so): New target.
11021         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11022         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11023         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11024         (tls_shared_gd_to_ie_test_LDADD): New variable.
11025         (tls_shared_gnu2_gd_to_ie_test): New target.
11026         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11027         New targets.
11028         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11029         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11030         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11031         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11032         (tls_shared_gnu2_test): New target.
11033         (tls_test_gnu2_shared.so): New target.
11034         (tls_shared_gnu2_test_SOURCES): New variable.
11035         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11036         (tls_shared_gnu2_test_LDFLAGS): New variable.
11037         (tls_shared_gnu2_test_LDADD): New variable.
11038         * testsuite/Makefile.in: Rebuild.
11039         * testsuite/Makefile.
11040
11041 2008-04-11  Ian Lance Taylor  <iant@google.com>
11042
11043         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11044         justsyms.t.
11045         * testsuite/Makefile.in: Rebuild.
11046
11047         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11048         long.
11049         * testsuite/script_test_2.cc (main): Adjust test.
11050
11051 2008-04-11  David S. Miller  <davem@davemloft.net>
11052             Ian Lance Taylor  <iant@google.com>
11053
11054         * options.h (General_options): Add entries for '-Y' and
11055         '-relax'.
11056         * options.cc (General_options:finalize): If -Y was used, add those
11057         entries to the library path instead of the default "/lib" and
11058         "/usr/lib".
11059
11060 2008-04-11  David S. Miller  <davem@davemloft.net>
11061
11062         * testsuite/justsyms.t: Start at 0x100.
11063         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11064         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11065         long.
11066         * testsuite/script_test_2.cc: Adjust string and section length
11067         checks.
11068
11069 2008-04-09  Ian Lance Taylor  <iant@google.com>
11070
11071         PR gold/5996
11072         * script-sections.cc (Sections_element::allocate_to_segment): Add
11073         orphan parameter.
11074         (Output_section_definition::allocate_to_segment): Likewise.
11075         (Orphan_output_section::allocate_to_segment): Likewise.
11076         (Script_sections::attach_sections_using_phdrs_clause): Don't
11077         propagate non-PT_LOAD segments to orphan sections.
11078         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11079         readelf rather than objdump.
11080         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11081         .interp section and PT_INTERP segment are the same size.
11082         * testsuite/Makefile.in: Rebuild.
11083
11084         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11085         aliases for symbols defined in the same object.
11086         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11087         (weak_alias_test_SOURCES): New variable.
11088         (weak_alias_test_DEPENDENCIES): New variable.
11089         (weak_alias_test_LDFLAGS): New variable.
11090         (weak_alias_test_LDADD): New variable.
11091         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11092         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11093         (weak_alias_test_3.o): New target.
11094         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11095         * testsuite/weak_alias_test_main.cc: New file.
11096         * testsuite/weak_alias_test_1.cc: New file.
11097         * testsuite/weak_alias_test_2.cc: New file.
11098         * testsuite/weak_alias_test_3.cc: New file.
11099
11100 2008-04-08  Ian Lance Taylor  <iant@google.com>
11101
11102         * options.h (class General_options): Add --noinhibit-exec option.
11103         * main.cc (main): Check --noinhibit-exec.
11104
11105         * options.h (class General_options): Define --wrap as a special
11106         option.  Add wrap_symbols_ field.
11107         (General_options::any_wrap_symbols): New function.
11108         (General_options::is_wrap_symbol): New function.
11109         * options.cc (General_options::parse_wrap): New function.
11110         (General_options::General_options): Initialize wrap_symbols_.
11111         * symtab.cc (Symbol_table::wrap_symbol): New function.
11112         (Symbol_table::add_from_object): Handle --wrap.
11113         * symtab.h (class Symbol_table): Declare wrap_symbol.
11114         * target.h (Target::wrap_char): New function.
11115         (Target::Target_info): Add wrap_char field.
11116         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11117         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11118         * testsuite/testfile.cc (Target_test::test_target_info):
11119         Likewise.
11120
11121         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11122         there is one.
11123
11124         * layout.h (class Layout): Add added_eh_frame_data_ field.
11125         * layout.cc (Layout::Layout): Initialize new field.
11126         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11127         output section until we find a section we merged successfully.
11128         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11129         that the size be non-zero.
11130
11131         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11132         qualifier.
11133
11134 2008-04-08  Craig Silverstein  <csilvers@google.com>
11135
11136         * configure.ac: Export new conditional variable HAVE_ZLIB.
11137         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11138         on HAVE_ZLIB.
11139         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11140         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11141
11142 2008-04-07  Ian Lance Taylor  <iant@google.com>
11143
11144         * version.cc (version_string): Set to "1.5".
11145
11146         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11147         Add issued_non_pic_error_ field.  Declare check_non_pic.
11148         (Target_x86_64::Scan::check_non_pic): New function.
11149         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11150         (Target_x86_64::Scan::global): Likewise.
11151
11152         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11153         addend parameter.  Change caller.  Handle merge sections.
11154         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11155         Address to Addend.  Don't add in the result of
11156         local_section_offset, pass down the addend and use the returned
11157         value.
11158         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11159         Update declarations of local_section_offset and symbol_value.
11160         * testsuite/two_file_test_1.cc (t18): New function.
11161         * testsuite/two_file_test_2.cc (f18): New function.
11162         * testsuite/two_file_test_main.cc (main): Call t18.
11163         * testsuite/two_file_test.h (t18, f18): Declare.
11164
11165         * configure.ac: Don't test for objdump, c++filt, or readelf.
11166         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11167         conditionals.
11168         (TEST_READELF): New variable.
11169         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11170         (check_PROGRAMS): Add two_file_strip_test.
11171         (two_file_strip_test): New target.
11172         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11173         (two_file_same_shared_strip_test_SOURCES): New variable.
11174         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11175         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11176         (two_file_same_shared_strip_test_LDADD): New variable.
11177         (two_file_shared_strip.so): New target.
11178         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11179         (ver_test_5.syms, ver_test_7.syms): Likewise.
11180         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11181         (strip_test_3.stdout): Use TEST_OBJDUMP.
11182         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11183
11184 2008-04-04  Cary Coutant  <ccoutant@google.com>
11185
11186         * symtab.h (Symbol::is_weak_undefined): New function.
11187         (Symbol::is_strong_undefined): New function.
11188         (Symbol::is_absolute): New function.
11189         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11190         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11191         absolute symbols.
11192         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11193         (weak_undef_test): New target.
11194         * testsuite/Makefile.in: Rebuild.
11195         * testsuite/weak_undef_file1.cc: New file.
11196         * testsuite/weak_undef_file2.cc: New file.
11197         * testsuite/weak_undef_test.cc: New file.
11198
11199 2008-04-03  Craig Silverstein  <csilvers@google.com>
11200
11201         * compressed_output.h (class Output_compressed_section): Use
11202         unsigned buffer.
11203         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11204         add zlib header.
11205         (zlib_compressed_suffix): Removed.
11206         (Output_compressed_section::set_final_data_size): Use unsigned
11207         buffers.
11208         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11209         Fix linker invocation.
11210         (flagstest_o_specialfile_and_compress_debug_sections):
11211         Likewise.
11212         * testsuite/Makefile.in: Regenerated.
11213
11214 2008-04-02  David S. Miller  <davem@davemloft.net>
11215
11216         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11217         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11218
11219 2008-04-02  Craig Silverstein  <csilvers@google.com>
11220
11221         * TODO: New file.
11222
11223 2008-04-02  Ian Lance Taylor  <iant@google.com>
11224
11225         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11226         parameters.  Update for new key type to views_.  Change all
11227         callers.
11228         (File_read::read): Adjust for byteshift in returned view.
11229         (File_read::add_view): New function, broken out of
11230         find_and_make_view.
11231         (File_read::make_view): New function, broken out of
11232         find_and_make_view.
11233         (File_read::find_or_make_view): Add offset and aligned
11234         parameters.  Rewrite accordingly.  Change all callers.
11235         (File_read::get_view): Add offset and aligned parameters.  Adjust
11236         for byteshift in return value.
11237         (File_read::get_lasting_view): Likewise.
11238         * fileread.h (class File_read): Update declarations.
11239         (class File_read::View): Add byteshift_ field.  Add byteshift to
11240         constructor.  Add byteshift method.
11241         * archive.h (Archive::clear_uncached_views): New function.
11242         (Archive::get_view): Add aligned parameter.  Change all callers.
11243         * object.h (Object::get_view): Add aligned parameter.  Change all
11244         callers.
11245         (Object::get_lasting_view): Likewise.
11246
11247         * fileread.cc (File_read::release): Don't call clear_views if
11248         there are multiple objects.
11249         * fileread.h (File_read::clear_uncached_views): New function.
11250         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11251         on the archive.
11252
11253 2008-03-31  Cary Coutant  <ccoutant@google.com>
11254
11255         Add thin archive support.
11256         * archive.cc (Archive::armagt): New const.
11257         (Archive::setup): Remove task parameter and calls to unlock.
11258         (Archive::unlock_nested_archives): New function.
11259         (Archive::read_header): Add nested_off parameter. Change
11260         all callers.
11261         (Archive::interpret_header): Likewise.
11262         (Archive::include_all_members): Change to handle thin
11263         archives.
11264         (Archive::include_member): Likewise.
11265         * archive.h (Archive::Archive): Add new parameters and
11266         initializers.
11267         (Archive::armagt): New const.
11268         (Archive::setup): Remove task parameter.
11269         (Archive::unlock_nested_archives): New function.
11270         (Archive::read_header): Add nested_off parameter.
11271         (Archive::interpret_header): Likewise.
11272         (Archive::Nested_archive_table): New typedef.
11273         (Archive::is_thin_archive_): New field.
11274         (Archive::nested_archives_): New field.
11275         (Archive::options_): New field.
11276         (Archive::dirpath_): New field.
11277         (Archive::task_): New field.
11278         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11279         for thin archives.  Pass additional parameters to
11280         Archive::Archive.  Unlock the archive file after calling
11281         Archive::setup.
11282
11283 2008-03-29  Ian Lance Taylor  <iant@google.com>
11284
11285         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11286         version symbol to be local.
11287         * testsuite/ver_test_4.sh: New file.
11288         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11289         (check_DATA): Add ver_test_4.syms.
11290         (ver_test_4.syms): New target.
11291         * testsuite/Makefile.in: Rebuild.
11292
11293         * output.cc
11294         (Output_section::Input_section_sort_entry::has_priority): New
11295         function.
11296         (Output_section::Input_section_sort_entry::match_file_name): New
11297         function.
11298         (Output_section::Input_section_sort_entry::match_section_name):
11299         Remove.
11300         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11301         Remove.
11302         (Output_section::Input_section_sort_entry::match_section_file):
11303         Remove.
11304         (Output_section::Input_section_sort_compare::operator()): Rewrite
11305         using new Input_section_sort_entry functions.  Sort crtbegin and
11306         crtend first.  Sort sections with no priority before sections with
11307         a priority.
11308         * testsuite/initpri1.c (d3): Check j != 4.
11309         (cd5): New constructor/destructor function.
11310         (main): Check j != 2.
11311
11312         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11313         new symbol when resolving, don't call set_is_default.
11314         * testsuite/ver_test_7.cc: New file.
11315         * testsuite/ver_test_7.sh: New file.
11316         * testsuite/Makefile.am (ver_test_7.so): New target.
11317         (ver_test_7.o): New target.
11318         (check_SCRIPTS): Add ver_test_7.sh.
11319         (check_DATA): Add ver_test_7.syms.
11320         (ver_test_7.syms): New target.
11321
11322 2008-03-28  Ian Lance Taylor  <iant@google.com>
11323
11324         * layout.cc (Layout::layout): If we see an input section with a
11325         name that needs sorting, set the must_sort flag for the output
11326         section.
11327         (Layout::make_output_section): If the name of the output section
11328         indicates that it might require sorting, set the may_sort flag.
11329         * output.h (Output_section::may_sort_attached_input_sections): New
11330         function.
11331         (Output_section::set_may_sort_attached_input_sections): New
11332         function.
11333         (Output_section::must_sort_attached_input_sections): New
11334         function.
11335         (Output_section::set_must_sort_attached_input_sections): New
11336         function.
11337         (class Output_section): Declare Input_section_sort_entry.  Define
11338         Input_section_sort_compare.  Declare
11339         sort_attached_input_sections.  Add new fields:
11340         may_sort_attached_input_sections_,
11341         must_sort_attached_input_sections_,
11342         attached_input_sections_are_sorted_.
11343         * output.cc (Output_section::Output_section): Initialize new
11344         fields.
11345         (Output_section::add_input_section): Add an entry to
11346         input_sections_ if may_sort or must_sort are true.
11347         (Output_section::set_final_data_size): Call
11348         sort_attached_input_sections if necessary.
11349         (Output_section::Input_section_sort_entry): Define new class.
11350         (Output_section::Input_section_sort_compare::operator()): New
11351         function.
11352         (Output_section::sort_attached_input_sections): New function.
11353         * configure.ac: Check whether the compiler supports constructor
11354         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11355         * testsuite/initpri1.c: New file.
11356         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11357         CONSTRUCTOR_PRIORITY.
11358         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11359         (initpri1_LDFLAGS): New variable.
11360         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11361
11362 2008-03-27  Ian Lance Taylor  <iant@google.com>
11363
11364         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11365         * testsuite/common_test_1.c: New file.
11366         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11367         (common_test_1_SOURCES): New variable.
11368         (common_test_1_DEPENDENCIES): New variable.
11369         (common_test_1_LDFLAGS): New variable.
11370
11371         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11372         and commons_ correctly when NAME/VERSION does not override
11373         NAME/NULL.
11374         * testsuite/ver_test_6.c: New file.
11375         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11376         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11377         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11378
11379 2008-03-26  Ian Lance Taylor  <iant@google.com>
11380
11381         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11382         of an undefined symbol from a version script.
11383         * testsuite/Makefile.am (ver_test_5.so): New target.
11384         (ver_test_5.o): New target.
11385         (check_SCRIPTS): Add ver_test_5.sh.
11386         (check_DATA): Add ver_test_5.syms.
11387         (ver_test_5.syms): New target.
11388         * testsuite/ver_test_5.cc: New file.
11389         * testsuite/ver_test_5.script: New file.
11390         * testsuite/ver_test_5.sh: New file.
11391         * Makefile.in, testsuite/Makefile.in: Rebuild.
11392
11393         PR gold/5986
11394         Fix problems building gold with gcc 4.3.0.
11395         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11396         (gold_error_at_location, gold_warning_at_location): Use it.
11397         * configure.ac: Check whether we can compile and use a template
11398         function with a printf attribute.
11399         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11400         when jumping over bytes.
11401         * object.cc: Instantiate Object::read_section_data.
11402         * debug.h: Include <cstring>
11403         * dwarf_reader.cc: Include <algorithm>
11404         * main.cc: Include <cstring>.
11405         * options.cc: Include <cstring>.
11406         * output.cc: Include <cstring>.
11407         * script.cc: Include <cstring>.
11408         * script.h: Include <string>.
11409         * symtab.cc: Include <cstring> and <algorithm>.
11410         * target-select.cc: Include <cstring>.
11411         * version.cc: Include <string>.
11412         * testsuite/testmain.cc: Include <cstdlib>.
11413         * configure, config.in: Rebuild.
11414
11415 2008-03-25  Ian Lance Taylor  <iant@google.com>
11416
11417         * options.cc: Include "../bfd/bfdver.h".
11418         (options::help): Print bug reporting address.
11419
11420         * version.cc (print_version): Adjust output for current value of
11421         BFD_VERSION_STRING.
11422
11423         * NEWS: New file.
11424
11425         * options.cc (options::help): Print list of supported targets.
11426         * target-select.h: Include <vector>.
11427         (class Target_selector): Make machine_, size_, and is_big_endian_
11428         fields const.  Add bfd_name_ and instantiated_target_ fields.
11429         (Target_selector::Target_selector): Add bfd_name parameter.
11430         (Target_selector::recognize): Make non-virtual, call
11431         do_recognize.
11432         (Target_selector::recognize_by_name): Make non-virtual, call
11433         do_recognize_by_name.
11434         (Target_selector::supported_names): New function.
11435         (Target_selector::bfd_name): New function.
11436         (Target_selector::do_instantiate_target): New pure virtual
11437         function.
11438         (Target_selector::do_recognize): New virtual function.
11439         (Target_selector::do_recognize_by_name): New virtual function.
11440         (Target_selector::instantiate_target): New private function.
11441         (supported_target_names): Declare.
11442         * target-select.cc (Target_selector::Target_selector): Update for
11443         new parameter and fields.
11444         (select_target_by_name): Check that the name matches before
11445         calling recognize_by_name.
11446         (supported_target_names): New function.
11447         * i386.cc (class Target_selector_i386): Update Target_selector
11448         constructor call.  Remove recognize and recognize_by_name.  Add
11449         do_instantiate_target.
11450         * x86_64.cc (class Target_selector_x86_64): Likewise.
11451         * testsuite/testfile.cc (class Target_selector_test): Update for
11452         changes to Target_selector.
11453
11454         * README: Rewrite, with some notes on unsupported features.
11455
11456 2008-03-24  Cary Coutant  <ccoutant@google.com>
11457
11458         * i386.cc (Target_i386::Got_type): New enum declaration.
11459         (Target_i386::Scan::local): Updated callers of Output_data_got
11460         member functions.
11461         (Target_i386::Scan::global): Likewise.
11462         (Target_i386::Relocate::relocate): Likewise.
11463         (Target_i386::Relocate::relocate_tls): Likewise.
11464         * object.h (Got_offset_list): New class.
11465         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11466         (Sized_relobj::local_got_offset): Likewise.
11467         (Sized_relobj::set_local_got_offset): Likewise.
11468         (Sized_relobj::local_has_tls_got_offset): Removed.
11469         (Sized_relobj::local_tls_got_offset): Removed.
11470         (Sized_relobj::set_local_tls_got_offset): Removed.
11471         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11472         * output.cc (Output_data_got::add_global): Added got_type parameter.
11473         (Output_data_got::add_global_with_rel): Likewise.
11474         (Output_data_got::add_global_with_rela): Likewise.
11475         (Output_data_got::add_global_pair_with_rel): New function.
11476         (Output_data_got::add_global_pair_with_rela): New function.
11477         (Output_data_got::add_local): Added got_type parameter.
11478         (Output_data_got::add_local_with_rel): Likewise.
11479         (Output_data_got::add_local_with_rela): Likewise.
11480         (Output_data_got::add_local_pair_with_rel): New function.
11481         (Output_data_got::add_local_pair_with_rela): New function.
11482         (Output_data_got::add_global_tls): Removed.
11483         (Output_data_got::add_global_tls_with_rel): Removed.
11484         (Output_data_got::add_global_tls_with_rela): Removed.
11485         (Output_data_got::add_local_tls): Removed.
11486         (Output_data_got::add_local_tls_with_rel): Removed.
11487         (Output_data_got::add_local_tls_with_rela): Removed.
11488         * output.h (Output_data_got::add_global): Added got_type parameter.
11489         (Output_data_got::add_global_with_rel): Likewise.
11490         (Output_data_got::add_global_with_rela): Likewise.
11491         (Output_data_got::add_global_pair_with_rel): New function.
11492         (Output_data_got::add_global_pair_with_rela): New function.
11493         (Output_data_got::add_local): Added got_type parameter.
11494         (Output_data_got::add_local_with_rel): Likewise.
11495         (Output_data_got::add_local_with_rela): Likewise.
11496         (Output_data_got::add_local_pair_with_rel): New function.
11497         (Output_data_got::add_local_pair_with_rela): New function.
11498         (Output_data_got::add_global_tls): Removed.
11499         (Output_data_got::add_global_tls_with_rel): Removed.
11500         (Output_data_got::add_global_tls_with_rela): Removed.
11501         (Output_data_got::add_local_tls): Removed.
11502         (Output_data_got::add_local_tls_with_rel): Removed.
11503         (Output_data_got::add_local_tls_with_rela): Removed.
11504         * resolve.cc (Symbol::override_base_with_special): Removed
11505         reference to has_got_offset_ field.
11506         * symtab.cc (Symbol::init_fields): Replaced initialization
11507         of got_offset_ with got_offsets_.  Removed initialization
11508         of has_got_offset_
11509         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11510         (Symbol::got_offset): Likewise.
11511         (Symbol::set_got_offset): Likewise.
11512         (Symbol::has_tls_got_offset): Removed.
11513         (Symbol::tls_got_offset): Removed.
11514         (Symbol::set_tls_got_offset): Removed.
11515         (Symbol::got_offset_): Removed.
11516         (Symbol::tls_mod_got_offset_): Removed.
11517         (Symbol::tls_pair_got_offset_): Removed.
11518         (Symbol::got_offsets_): New field.
11519         (Symbol::has_got_offset): Removed.
11520         (Symbol::has_tls_mod_got_offset): Removed.
11521         (Symbol::has_tls_pair_got_offset): Removed.
11522         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11523         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11524         member functions.
11525         (Target_x86_64::Scan::global): Likewise.
11526         (Target_x86_64::Relocate::relocate): Likewise.
11527         (Target_x86_64::Relocate::relocate_tls): Likewise.
11528
11529 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11530
11531         * yyscript.y: Fix spelling error in comment.
11532
11533 2008-03-24  Ian Lance Taylor  <iant@google.com>
11534
11535         * options.h (class General_options): Define build_id option.
11536         * layout.h (class Layout): Declare write_build_id, create_note,
11537         create_build_id.  Add build_id_note_ member.
11538         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11539         "libiberty.h", "md5.h", "sha1.h".
11540         (Layout::Layout): Initialize eh_frame_data_,
11541         eh_frame_hdr_section_, and build_id_note_.
11542         (Layout::finalize): Call create_build_id.
11543         (Layout::create_note): New function, broken out of
11544         Layout::create_gold_note.
11545         (Layout::create_gold_note): Call create_note.
11546         (Layout::create_build_id): New function.
11547         (Layout::write_build_id): New function.
11548         (Close_task_runner::run): Call write_build_id.
11549
11550         * x86_64.cc: Correct license to GPLv3.
11551
11552 2008-03-23  Ian Lance Taylor  <iant@google.com>
11553
11554         * options.cc: Include "demangle.h".
11555         (parse_optional_string): New function.
11556         (parse_long_option): Handle takes_optional_argument.
11557         (parse_short_option): Update dash_z initializer.  Handle
11558         takes_optional_argument.
11559         (General_options::General_options): Initialize do_demangle_.
11560         (General_options::finalize): Set do_demangle_.  Handle demangling
11561         style.
11562         * options.h (parse_optional_string): Declare.
11563         (struct One_option): Add optional_arg field.  Update constructor.
11564         Update call constructor calls.  Add takes_optional_argument
11565         function.
11566         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11567         (DEFINE_optional_string): Define.
11568         (General_options::demangle): Change from DEFINE_bool to
11569         DEFINE_optional_string.
11570         (General_options::no_demangle): New function.
11571         (General_options::do_demangle): New function.
11572         (General_options::set_do_demangle): New function.
11573         (General_options::execstack_status_): Move definition to end of
11574         class definition.
11575         (General_options::static_): Likewise.
11576         (General_options::do_demangle_): New field.
11577         * object.cc (big_endian>::get_symbol_location_info): Call
11578         Options::do_demangle, not Options::demangle.
11579         * symtab.cc (demangle): Likewise.
11580
11581 2008-03-22  Ian Lance Taylor  <iant@google.com>
11582
11583         * gold.h: Include <cstddef> and <sys/types.h>
11584         * options.h: Include <cstring>.
11585
11586 2008-03-21  Ian Lance Taylor  <iant@google.com>
11587
11588         * Added source code to GNU binutils.