* incremental.cc (Sized_incremental_binary::do_file_has_changed):
[external/binutils.git] / gold / ChangeLog
1 2011-07-06  Cary Coutant  <ccoutant@google.com>
2
3         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
4         Check disposition for startup file.
5         (Incremental_inputs::report_command_line): Ignore
6         --incremental-startup-unchanged option.
7         * options.cc (General_options::parse_incremental_startup_unchanged):
8         New function.
9         (General_options::General_options): Initialize new data member.
10         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
11         (General_options): Add --incremental-startup-unchanged option.
12         (General_options::incremental_startup_disposition): New function.
13         (General_options::incremental_startup_disposition_): New data member.
14
15 2011-07-06  Cary Coutant  <ccoutant@google.com>
16
17         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
18         input file index to Script_info ctor.
19         (Sized_incremental_binary::do_file_has_changed): Find the
20         command-line argument for files named in scripts.
21         * incremental.h (Script_info::Script_info): New ctor
22         with input file index.
23         (Script_info::input_file_index): New function.
24         (Script_info::input_file_index_): New data member.
25         (Incremental_binary::get_library): Add const.
26         (Incremental_binary::get_script_info): Add const.
27         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
28         * testsuite/Makefile.am (incremental_test_5): New test case.
29         (incremental_test_6): New test case.
30         * testsuite/Makefile.in: Regenerate.
31
32 2011-07-06  Cary Coutant  <ccoutant@google.com>
33
34         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
35         debug output when command lines differ.
36
37 2011-07-06  Cary Coutant  <ccoutant@google.com>
38
39         * incremental.cc (Incremental_inputs::report_command_line): Ignore
40         --incremental-patch option.
41         * layout.cc (Free_list::allocate): Extend allocation beyond original
42         end if enabled.
43         (Layout::make_output_section): Mark sections that should get
44         patch space.
45         * options.cc (parse_percent): New function.
46         * options.h (parse_percent): New function.
47         (DEFINE_percent): New macro.
48         (General_options): Add --incremental-patch option.
49         * output.cc (Output_section::Output_section): Initialize new data
50         members.
51         (Output_section::add_input_section): Print section name when out
52         of patch space.
53         (Output_section::add_output_section_data): Likewise.
54         (Output_section::set_final_data_size): Add patch space when
55         doing --incremental-full.
56         (Output_section::do_reset_address_and_file_offset): Remove patch
57         space.
58         (Output_segment::set_section_list_addresses): Print debug output
59         only if --incremental-update.
60         * output.h (Output_section::set_is_patch_space_allowed): New function.
61         (Output_section::is_patch_space_allowed_): New data member.
62         (Output_section::patch_space_): New data member.
63         * parameters.cc (Parameters::incremental_full): New function.
64         * parameters.h (Parameters::incremental_full): New function
65         * testsuite/Makefile.am (incremental_test_2): Add test for
66         --incremental-patch option.
67         * testsuite/Makefile.in: Regenerate.
68         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
69         (t18): Remove function body.
70
71 2011-07-05  Doug Kwan  <dougkwan@google.com>
72
73         PR gold/12771
74         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
75         Arm_Address type for relocation result.
76         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
77         overflow check.
78         (Arm_relocate_functions::abs32): Use unaligned access.
79         (Arm_relocate_functions::rel32): Ditto.
80         (Arm_relocate_functions::prel31): Ditto.
81         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
82         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
83         static data relocations.
84         * testsuite/Makefile.in: Regnerate.
85         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
86
87 2011-07-05  Ian Lance Taylor  <iant@google.com>
88
89         PR gold/12392
90         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
91         symbols if necessary.
92         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
93
94 2011-07-05  Ian Lance Taylor  <iant@google.com>
95
96         PR gold/12952
97         * resolve.cc (Symbol::override_base_with_special): Simply override
98         version with special symbol version, ignoring previous version.
99
100 2011-07-05  Ian Lance Taylor  <iant@google.com>
101
102         * object.cc (Sized_relobj_file::include_section_group): Add
103         information to comment about signature location.
104
105 2011-07-02  Ian Lance Taylor  <iant@google.com>
106
107         PR gold/12957
108         * options.h (class General_options): Add -f and -F.
109         * options.cc (General_options::finalize): Fatal error if -f/-F
110         are used without -shared.
111         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
112
113 2011-07-02  Ian Lance Taylor  <iant@google.com>
114
115         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
116
117 2011-07-01  Ian Lance Taylor  <iant@google.com>
118
119         PR gold/12525
120         PR gold/12952
121         * resolve.cc (Symbol::override_base_with_special): Don't override
122         the version if the overriding symbol has a different name.
123         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
124         all callers.  If we give an error about an undefined version,
125         define the base version if necessary.
126         * dynobj.h (class Versions): Update declaration.
127         * testsuite/weak_alias_test_5.cc: New file.
128         * testsuite/weak_alias_test.script: New file.
129         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
130         and versioned_alias have the right value, and call t2.
131         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
132         weak_alias_test_5.so.
133         (weak_alias_test_LDADD): Likewise.
134         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
135         * testsuite/Makefile.in: Rebuild.
136
137 2011-07-01  Ian Lance Taylor  <iant@google.com>
138
139         PR gold/12525
140         * options.h (class General_options): Support -z notext.
141         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
142         -Wl,-z,notext.
143         (two_file_shared_nonpic.so): Likewise.
144         (two_file_shared_mixed.so): Likewise.
145         (two_file_shared_mixed_1.so): Likewise.
146         (weak_undef_lib_nonpic.so): Likewise.
147         (alt/weak_undef_lib_nonpic.so): Likewise.
148         (tls_test_shared_nonpic.so): Likewise.
149         * testsuite/Makefile.in: Rebuild.
150
151 2011-07-01  Ian Lance Taylor  <iant@google.com>
152
153         PR gold/12525
154         * configure.ac: Test whether static linking works, setting
155         the automake conditional HAVE_STATIC.
156         * testsuite/Makefile.am: Disable tests using -static if
157         HAVE_STATIC is not true.
158         * configure, testsuite/Makefile.in: Rebuild.
159
160 2011-07-01  Ian Lance Taylor  <iant@google.com>
161
162         PR gold/12525
163         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
164         Assert if we see DW_EH_PE_indirect.
165         * target.h (Target::ehframe_datarel_base): New function.
166         (Target::do_ehframe_datarel_base): New target function.
167         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
168         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
169         function.
170
171 2011-07-01  Ian Lance Taylor  <iant@google.com>
172
173         PR gold/12571
174         * options.h (class General_options): Add
175         --ld-generated-unwind-info.
176         * ehframe.cc (Fde::write): Add address parameter.  Change all
177         callers.  If associated with PLT, fill in address and size.
178         (Cie::set_output_offset): Only add merge mapping if there is an
179         object.
180         (Cie::write): Add address parameter.  Change all callers.
181         (Eh_frame::add_ehframe_for_plt): New function.
182         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
183         input_offset_ fields into union u_, with new plt field.
184         (Fde::Fde): Adjust for new union field.
185         (Fde::Fde) [Output_data version]: New constructor.
186         (Fde::add_mapping): Only add merge mapping if there is an object.
187         (class Cie): Update declarations.
188         (class Eh_frame): Declare add_ehframe_for_plt.
189         * layout.cc (Layout::layout_eh_frame): Break out code into
190         make_eh_frame_section, and call it.
191         (Layout::make_eh_frame_section): New function.
192         (Layout::add_eh_frame_for_plt): New function.
193         * layout.h (class Layout): Update declarations.
194         * merge.cc (Merge_map::add_mapping): Add assertion.
195         * i386.cc: Include "dwarf.h".
196         (class Output_data_plt_i386): Make first_plt_entry,
197         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
198         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
199         and plt_eh_frame_fde.
200         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
201         boundary.  Call add_eh_frame_for_plt if appropriate.
202         * x86_64.cc: Include "dwarf.h".
203         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
204         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
205         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
206         and plt_eh_frame_fde.
207         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
208         appropriate.
209
210 2011-06-29  Ian Lance Taylor  <iant@google.com>
211
212         PR gold/12629
213         * object.cc (Sized_relobj_file::layout_section): Change shdr
214         parameter to be const.
215         (Sized_relobj_file::layout_eh_frame_section): New function, broken
216         out of do_layout.
217         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
218         appropriate.  Call layout_eh_frame_section.
219         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
220         sections.
221         * object.h (class Sized_relobj_file): Update declarations.
222
223 2011-06-29  Ian Lance Taylor  <iant@google.com>
224
225         PR gold/12652
226         * script.cc (Token::integer_value): Accept trailing M/m/K/k
227         modifier.
228         (Lex::gather_token): Accept trailing M/m/K/k for integers.
229
230 2011-06-29  Ian Lance Taylor  <iant@google.com>
231
232         PR gold/12675
233         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
234         SHT_X86_64_UNWIND.
235         * layout.cc (Layout::layout_eh_frame): Likewise.
236
237 2011-06-29  Ian Lance Taylor  <iant@google.com>
238
239         PR gold/12695
240         * layout.cc (Layout::symtab_section_shndx): New function.
241         * layout.h (class Layout): Declare symtab_section_shndx.
242         * output.cc (Output_section::write_header): Call it.
243
244 2011-06-29  Ian Lance Taylor  <iant@google.com>
245
246         PR gold/12818
247         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
248         symbols which are not used in a relocation.
249
250 2011-06-28  Ian Lance Taylor  <iant@google.com>
251
252         PR gold/12898
253         * layout.cc (Layout::segment_precedes): Don't crash if a linker
254         script create indistinguishable segments.
255         (Layout::set_segment_offsets): Use stable_sort when sorting
256         segments.  Pass this to Compare_segments constructor.
257         * layout.h (class Layout): Make segment_precedes non-static.
258         (class Compare_segments): Change from struct to class.  Add
259         layout_ field.  Add constructor.
260         * script-sections.cc
261         (Script_sections::attach_sections_using_phdrs_clause): Rename
262         local orphan to is_orphan.  Don't report failure to put empty
263         section in segment.  On attachment failure, report name of
264         section, and attach to first PT_LOAD segment.
265
266 2011-06-28  Ian Lance Taylor  <iant@google.com>
267
268         PR gold/12934
269         * target-select.cc (Target_selector::Target_selector): Add
270         emulation parameter.  Change all callers.
271         (select_target_by_bfd_name): Rename from select_target_by_name.
272         Change all callers.
273         (select_target_by_emulation): New function.
274         (supported_emulation_names): New function.
275         * target-select.h (class Target_selector): Add emulation_ field.
276         Update declarations.
277         (Target_selector::recognize_by_bfd_name): Rename from
278         recognize_by_name.  Change all callers.
279         (Target_selector::supported_bfd_names): Rename from
280         supported_names.  Change all callers.
281         (Target_selector::recognize_by_emulation): New function.
282         (Target_selector::supported_emulations): New function.
283         (Target_selector::emulation): New function.
284         (Target_selector::do_recognize_by_bfd_name): Rename from
285         do_recognize_by_name.  Change all callers.
286         (Target_selector::do_supported_bfd_names): Rename from
287         do_supported_names.  Change all callers.
288         (Target_selector::do_recognize_by_emulation): New function.
289         (Target_selector::do_supported_emulations): New function.
290         (select_target_by_bfd_name): Change name in declaration.
291         (select_target_by_emulation): Declare.
292         (supported_emulation_names): Declare.
293         * parameters.cc (parameters_force_valid_target): Try to find
294         target based on emulation from -m option.
295         * options.h (class General_options): Change doc string for -m.
296         * options.cc (help): Print emulations.
297         (General_options::parse_V): Likewise.
298         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
299         Add emulation parameter.  Change all callers.
300
301 2011-06-28  Ian Lance Taylor  <iant@google.com>
302
303         * target.h (class Target): Add osabi_ field.
304         (Target::osabi): New function.
305         (Target::set_osabi): New function.
306         (Target::Target): Initialize osabi_.
307         (Target::do_adjust_elf_header): Make pure virtual.
308         (Sized_target::do_adjust_elf_header): Declare.
309         * target.cc (Sized_target::do_adjust_elf_header): New function.
310         (class Sized_target): Instantiate all versions.
311         * freebsd.h (class Target_freebsd): Remove.
312         (Target_selector_freebsd::do_recognize): Call set_osabi on
313         Target.
314         (Target_selector_freebsd::do_recognize_by_name): Likewise.
315         (Target_selector_freebsd::set_osabi): Remove.
316         * i386.cc (class Target_i386): Inherit from Sized_target rather
317         than Target_freebsd.
318         * x86_64.cc (class Target_x86_64): Likewise.
319
320 2011-06-28  Ian Lance Taylor  <iant@google.com>
321
322         * target.h (Target::can_check_for_function_pointers): Rewrite.
323         Make non-virtual.
324         (Target::can_icf_inline_merge_sections): Likewise.
325         (Target::section_may_have_icf_unsafe_poineters): Likewise.
326         (Target::Target_info): Add can_icf_inline_merge_sections field.
327         (Target::do_can_check_for_function_pointers): New virtual
328         function.
329         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
330         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
331         from can_check_for_function_pointers, move in file.
332         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
333         section_may_have_icf_unsafe_poineters, move in file.
334         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
335         * i386.cc (Target_i386::do_can_check_for_function_pointers):
336         Rename from can_check_for_function_pointers, move in file.
337         (Target_i386::can_icf_inline_merge_sections): Remove.
338         (Target_i386::i386_info): Initialize
339         can_icf_inline_merge_sections.
340         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
341         Initialize can_icf_inline_merge_sections.
342         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
343         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
344         Rename from can_check_for_function_pointers, move in file.
345         (Target_x86_64::can_icf_inline_merge_sections): Remove.
346         (Target_x86_64::x86_64_info): Initialize
347         can_icf_inline_merge_sections.
348         * testsuite/testfile.cc (Target_test::test_target_info):
349         Likewise.
350         * icf.cc (get_section_contents): Correct formatting.
351
352 2011-06-27  Ian Lance Taylor  <iant@google.com>
353
354         * symtab.cc (Symbol::versioned_name): New function.
355         (Symbol_table::add_to_final_symtab): Use versioned_name when
356         appropriate.
357         (Symbol_table::sized_write_symbol): Likewise.
358         * symtab.h (class Symbol): Declare versioned_name.
359         * stringpool.h (class Stringpool_template): Add variant of add
360         which takes a std::basic_string.
361         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
362         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
363         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
364         (ver_test_12.o): New target.
365         * testsuite/Makefile.in: Rebuild.
366
367 2011-06-27  Doug Kwan  <dougkwan@google.com>
368
369         * arm.cc (Arm_relocate_functions::thm_jump8,
370         Arm_relocate_functions::thm_jump11): Use a wider signed
371         type to compute offset.
372         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
373         arm_thm_jump8.
374         * testsuite/Makefile.in: Regenerate.
375         * testsuite/arm_branch_in_range.sh: Check test results of
376         arm_thm_jump11 and arm_thm_jump8.
377         * testsuite/arm_thm_jump11.s: New test source file.
378         * testsuite/arm_thm_jump11.t: New linker script.
379         * testsuite/arm_thm_jump8.s: New test source file.
380         * testsuite/arm_thm_jump8.t: New linker script.
381
382 2011-06-24  Ian Lance Taylor  <iant@google.com>
383
384         * layout.cc: Include "object.h".
385         (ctors_sections_in_init_array): New static variable.
386         (Layout::is_ctors_in_init_array): New function.
387         (Layout::layout): Add entry to ctors_sections_in_init_array if
388         appropriate.
389         * layout.h (class Layout): Declare is_ctors_in_init_array.
390         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
391         is_ctors_reverse_view is set.
392         (Sized_relobj_file::write_sections): Add layout parameter.  Change
393         all callers.  Set is_ctors_reverse_view field of View_size.
394         (Sized_relobj_file::reverse_words): New function.
395         * object.h (Sized_relobj_file::View_size): Add
396         is_ctors_reverse_view field.
397         (class Sized_relobj_file): Update declarations.
398         * testsuite/initpri3.c: New test.
399         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
400         initpri3b.
401         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
402         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
403         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
404         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
405         * testsuite/Makefile.in: Rebuild.
406
407 2011-06-24  Cary Coutant  <ccoutant@google.com>
408
409         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
410         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
411         (debug_msg_cdebug.err): New targets.
412         * testsuite/Makefile.in: Regenerate.
413         * testsuite/debug_msg.sh: Check output of link with compressed debug.
414         Fix checks for link with shared library.
415
416 2011-06-24  Doug Kwan  <dougkwan@google.com>
417
418         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
419         skip empty text sections.
420         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
421
422 2011-06-22  Ian Lance Taylor  <iant@google.com>
423
424         PR gold/12910
425         * options.h (class General_options): Add --ctors-in-init-array.
426         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
427         friends as SHT_PROGBITS for merging sections.
428         (Layout::layout): Remove special handling of .init_array and
429         friends.  Don't sort if doing relocatable link.  Sort for .ctors
430         and .dtors if ctors_in_init_array.
431         (Layout::make_output_section): Force correct section types for
432         .init_array and friends.  Don't sort if doing relocatable link,
433         Don't sort .ctors and .dtors if ctors_in_init_array.
434         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
435         (Layout::output_section_name): Add relobj parameter.  Change all
436         callers.  Handle .ctors. and .dtors. in code rather than table.
437         Handle .ctors and .dtors if ctors_in_init_array.
438         (Layout::match_file_name): New function, moved from output.cc.
439         * layout.h (class Layout): Update declarations.
440         * output.cc: Include "layout.h".
441         (Input_section_sort_entry::get_priority): New function.
442         (Input_section_sort_entry::match_file_name): Just call
443         Layout::match_file_name.
444         (Output_section::Input_section_sort_init_fini_compare::operator()):
445         Handle .ctors and .dtors.  Sort by explicit priority rather than
446         by name.
447         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
448         * testsuite/initpri2.c: New test.
449         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
450         (check_PROGRAMS): Add initpri2.
451         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
452         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
453         * configure, testsuite/Makefile.in: Rebuild.
454
455 2011-06-19  Ian Lance Taylor  <iant@google.com>
456
457         PR gold/12880
458         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
459         .interp section to a PT_INTERP segment even if we have seen a
460         --dynamic-linker option.  Don't do it if we have seen a PHDRS
461         clause in a linker script.
462         (Layout::finalize): Don't create a .interp section if we've
463         already create a PT_INTERP segment.
464         (Layout::create_interp): Always call choose_output_section (revert
465         patch of 2011-06-17).  Don't create PT_INTERP segment.
466         * script-sections.cc
467         (Script_sections::create_note_and_tls_segments): Add a .interp
468         section to a PT_INTERP segment even if we have seen a
469         --dynamic-linker option.
470
471 2011-06-18  Ian Lance Taylor  <iant@google.com>
472
473         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
474         merely because a non-PT_LOAD segment has a dynamic reloc.
475
476 2011-06-18  Ian Lance Taylor  <iant@google.com>
477
478         * layout.cc (Layout::finish_dynamic_section): Don't create
479         DT_FLAGS entry if not needed.
480
481 2011-06-18  Ian Lance Taylor  <iant@google.com>
482
483         PR gold/12745
484         * layout.cc (Layout::layout_eh_frame): Correct handling of
485         writable .eh_frame section.
486
487 2011-06-17  Ian Lance Taylor  <iant@google.com>
488
489         PR gold/12893
490         * resolve.cc (Symbol_table::resolve): Don't give an error if a
491         symbol is redefined with the exact same object and value.
492
493 2011-06-17  Ian Lance Taylor  <iant@google.com>
494
495         PR gold/12880
496         * layout.h (class Layout): Add interp_segment_ field.
497         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
498         (Layout::attach_allocated_section_to_segment): If making shared
499         library, put .interp section in PT_INTERP segment.
500         (Layout::finalize): Also call create_interp if -dynamic-linker
501         option was used.
502         (Layout::create_interp): Assert that there is no PT_INTERP
503         segment.  If not using a SECTIONS clause, use make_output_section.
504         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
505         * script-sections.cc
506         (Script_sections::create_note_and_tls_segments): If making shared
507         library, put .interp section in PT_INTERP segment.
508
509 2011-06-17  Ian Lance Taylor  <iant@google.com>
510
511         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
512         when making a shared library.
513
514 2011-06-17  Ian Lance Taylor  <iant@google.com>
515
516         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
517         parameter.  Change all callers.  Don't issue warning about PC32
518         against locally defined symbol.
519
520 2011-06-16  Ian Lance Taylor  <iant@google.com>
521
522         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
523         occurs in same object.
524
525 2011-06-14  Alan Modra  <amodra@gmail.com>
526
527         * po/POTFILES.in: Regenerate.
528
529 2011-06-09  Ian Lance Taylor  <iant@google.com>
530
531         * script-sections.cc
532         (Orphan_output_section::set_section_addresses): For a relocatable
533         link set address to 0.
534
535 2011-06-09  Cary Coutant  <ccoutant@google.com>
536
537         PR gold/12804
538         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
539         used with --compress-debug-sections.
540         * gold/object.cc (Sized_relobj_file::do_layout): Report
541         uncompressed size of compressed input sections.
542
543 2011-06-08  Cary Coutant  <ccoutant@google.com>
544
545         PR gold/12804
546         * testsuite/two_file_test_2_v1.cc: Change initialization of
547         v2 to keep it in .data.
548
549 2011-06-07  Cary Coutant  <ccoutant@google.com>
550
551         * common.cc (Symbol_table::do_allocate_commons_list): Call
552         gold_fallback.
553         * errors.cc (Errors::fatal): Adjust call to gold_exit.
554         (Errors::fallback): New function.
555         (gold_fallback): New function.
556         * errors.h (Errors::fallback): New function.
557         * gold.cc (gold_exit): Change status parameter to enum; adjust
558         all callers.
559         (queue_initial_tasks): Call gold_fallback.
560         * gold.h: Include cstdlib.
561         (Exit_status): New enum type.
562         (gold_exit): Change status parameter to enum.
563         (gold_fallback): New function.
564         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
565         (Layout::create_symtab_sections): Likewise.
566         (Layout::create_shdrs): Likewise.
567         * main.cc (main): Adjust call to gold_exit.
568         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
569         (Output_data_got::add_got_entry_pair): Likewise.
570         (Output_section::add_input_section): Likewise.
571         (Output_section::add_output_section_data): Likewise.
572         (Output_segment::set_section_list_addresses): Likewise.
573         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
574
575 2011-06-07  Cary Coutant  <ccoutant@google.com>
576
577         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
578         for incremental links.
579         * output.cc (Output_segment::set_section_list_addresses): Remove
580         FIXME and test for TLS or BSS.
581
582 2011-06-07  Cary Coutant  <ccoutant@google.com>
583
584         * testsuite/Makefile.am: Add incremental_copy_test,
585         incremental_common_test_1.
586         * testsuite/Makefile.in: Regenerate.
587         * testsuite/common_test_1_v1.c: New source file.
588         * testsuite/common_test_1_v2.c: New source file.
589         * testsuite/copy_test_v1.cc: New source file.
590
591 2011-06-07  Cary Coutant  <ccoutant@google.com>
592
593         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
594         update, allocate common from bss section's free list.
595         * incremental-dump.cc (dump_incremental_inputs): Print flag for
596         linker-defined symbols.
597         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
598         Skip GOT and PLT entries that are no longer referenced.
599         (Output_section_incremental_inputs::write_info_blocks): Mark
600         linker-defined symbols.
601         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
602         * output.cc (Output_section::allocate): New function.
603         * output.h (Output_section::allocate): New function.
604         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
605         linker-defined symbols.
606         (Symbol::override_base_with_special): Copy is_predefined_ flag.
607         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
608         (Symbol::init_base_output_data): Likewise.
609         (Symbol::init_base_output_segment): Likewise.
610         (Symbol::init_base_constant): Likewise.
611         (Sized_symbol::init_output_data): Likewise.
612         (Sized_symbol::init_output_segment): Likewise.
613         (Sized_symbol::init_constant): Likewise.
614         (Symbol_table::do_define_in_output_data): Likewise.
615         (Symbol_table::do_define_in_output_segment): Likewise.
616         (Symbol_table::do_define_as_constant): Likewise.
617         * symtab.h (Symbol::is_predefined): New function.
618         (Symbol::init_base_output_data): Add is_predefined parameter.
619         (Symbol::init_base_output_segment): Likewise.
620         (Symbol::init_base_constant): Likewise.
621         (Symbol::is_predefined_): New data member.
622         (Sized_symbol::init_output_data): Add is_predefined parameter.
623         (Sized_symbol::init_output_segment): Likewise.
624         (Sized_symbol::init_constant): Likewise.
625         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
626
627 2011-06-07  Cary Coutant  <ccoutant@google.com>
628
629         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
630         instead of emit_copy_reloc.
631         (Copy_relocs::emit_copy_reloc): Refactor.
632         (Copy_relocs::make_copy_reloc): New function.
633         (Copy_relocs::add_copy_reloc): Remove.
634         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
635         section.
636         (Copy_relocs::make_copy_reloc): New function.
637         (Copy_relocs::add_copy_reloc): Remove.
638         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
639         unchanged input files.
640         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
641         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
642         Reserve BSS space for COPY relocations.
643         (Sized_incremental_binary::do_emit_copy_relocs): New function.
644         (Output_section_incremental_inputs::write_info_blocks): Record
645         whether a symbol is copied from a shared object.
646         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
647         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
648         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
649         (Incremental_input_entry_reader::get_output_symbol_index): Add
650         is_copy parameter.
651         (Incremental_binary::emit_copy_relocs): New function.
652         (Incremental_binary::do_emit_copy_relocs): New function.
653         (Sized_incremental_binary::Sized_incremental_binary): Initialize
654         new data member.
655         (Sized_incremental_binary::add_copy_reloc): New function.
656         (Sized_incremental_binary::do_emit_copy_relocs): New function.
657         (Sized_incremental_binary::Copy_reloc): New struct.
658         (Sized_incremental_binary::Copy_relocs): New typedef.
659         (Sized_incremental_binary::copy_relocs_): New data member.
660         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
661         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
662         * target.h (Sized_target::emit_copy_reloc): New function.
663         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
664
665 2011-06-02  Cary Coutant  <ccoutant@google.com>
666
667         PR gold/12163
668         * gold/archive.cc (Archive::Archive): Initialize new data member.
669         (Archive::include_all_members): Return if archive has already been
670         included.
671         * gold/archive.h (Archive::include_all_members_): New data member.
672
673 2011-06-02  Nick Clifton  <nickc@redhat.com>
674
675         * dynobj.h: Fix spelling mistake in comment.
676         * output.cc: Likewise.
677
678 2011-05-31  Doug Kwan  <dougkwan@google.com>
679             Asier Llano
680
681         PR gold/12826
682         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
683         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
684         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
685         redundant arm_exidx_test.so.
686         * testsuite/Makefile.in: Regenerate.
687         (check_SCRIPTS): Add pr12826.sh
688         (check_DATA): Add pr12826.stdout
689         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
690         * testsuite/pr12826.sh: New file.
691         * testsuite/pr12826_1.s: Ditto.
692         * testsuite/pr12826_1.s: Ditto.
693
694 2011-05-30  Ian Lance Taylor  <iant@google.com>
695
696         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
697         sections.
698
699 2011-05-29  Ian Lance Taylor  <iant@google.com>
700
701         PR gold/12804
702         * testsuite/Makefile.am: Use different file name for two_file_test
703         temporary file for each incremental test.
704         * testsuite/Makefile.in: Rebuild.
705
706 2011-05-29  Ian Lance Taylor  <iant@google.com>
707
708         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
709         binary input file is empty.
710
711 2011-05-27  Ian Lance Taylor  <iant@google.com>
712
713         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
714         (ver_test_9.so): Likewise.
715         * testsuite/Makefile.in: Rebuild.
716
717 2011-05-26 Cary Coutant  <ccoutant@google.com>
718
719         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
720         * incremental.cc (Incremental_inputs::report_input_section): Fix
721         comment, indentation.
722         (Incremental_inputs::report_comdat_group): New function.
723         (Output_section_incremental_inputs::set_final_data_size): Adjust size
724         of data for incremental input file entry.
725         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
726         group count, COMDAT group signatures.
727         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
728         an unchanged input file.
729         * incremental.h (Incremental_object_entry::Incremental_object_entry):
730         Initialize new data member.
731         (Incremental_object_entry::add_comdat_group): New function.
732         (Incremental_object_entry::get_comdat_group_count): New function.
733         (Incremental_object_entry::get_comdat_signature_key): New function.
734         (Incremental_object_entry::groups_): New data member.
735         (Incremental_inputs::report_comdat_group): New function.
736         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
737         data for incremental input file entry.
738         (Incremental_input_entry_reader::get_comdat_group_count): New function.
739         (Incremental_input_entry_reader::get_input_section): Adjust size of
740         data for incremental input file entry.
741         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
742         (Incremental_input_entry_reader::get_comdat_group_signature): New
743         function.
744         * object.cc (Sized_relobj::include_section_group): Report kept
745         COMDAT groups for incremental links.
746
747 2011-05-24  David Meyer  <pdox@google.com>
748
749         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
750         with name parameter.  Add found_name parameter.
751         * fileread.cc (Input_file::find_file): Adjust code accordingly.
752         * dirsearch.h (class Dirsearch): Update declaration.
753
754 2011-05-24  Ian Lance Taylor  <iant@google.com>
755
756         * archive.cc (Library_base::should_include_member): Pull in object
757         from archive if it defines the entry symbol.
758         * parameters.cc (Parameters::entry): New function.
759         * parameters.h (class Parameters): Declare entry.
760         * output.h (class Output_file_header): Remove entry_ field.
761         * output.cc (Output_file_header::Output_file_header): Remove entry
762         parameter.  Change all callers.
763         (Output_file_header::entry): Use parameters->entry.
764         * gold.cc (queue_middle_tasks): Likewise.
765         * plugin.cc (Plugin_hook::run): Likewise.
766
767 2011-05-24 Cary Coutant  <ccoutant@google.com>
768
769         * gold.cc (queue_initial_tasks): Pass incremental base filename
770         to Output_file::open_base_file; don't print error message.
771         * incremental-dump.cc (main): Adjust call to
772         Output_file::open_for_modification.
773         * incremental-dump.cc (main): Likewise.
774         * incremental.cc (Incremental_inputs::report_command_line):
775         Ignore --incremental-base option when comparing command lines.
776         Ignore parameter when given as separate argument.
777         * options.h (class General_options): Add --incremental-base.
778         * output.cc (Output_file::Output_file):
779         (Output_file::open_base_file): Add base_name and writable parameters;
780         read base file into new file; print error message here.
781         (Output_file::map_no_anonymous): Add writable parameter; adjust all
782         callers.
783         * output.h (Output_file::open_for_modification): Rename to...
784         (Output_file::open_base_file): ...this; add base_name and
785         writable parameters; adjust all callers.
786         (Output_file::map_no_anonymous): Add writable parameter; adjust all
787         callers.
788         * testsuite/Makefile.am (incremental_test_4): Test
789         --incremental-base.
790         * testsuite/Makefile.in: Regenerate.
791
792 2011-05-24 Cary Coutant  <ccoutant@google.com>
793
794         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
795         incremental_test_4.
796         * testsuite/Makefile.in: Regenerate.
797         * testsuite/two_file_test_1_v1.cc: New test source file.
798         * testsuite/two_file_test_1b_v1.cc: New test source file.
799         * testsuite/two_file_test_2_v1.cc: New test source file.
800
801 2011-05-24 Cary Coutant  <ccoutant@google.com>
802
803         * dynobj.h (Dynobj::do_dynobj): New function.
804         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
805         flag and soname for shared objects.
806         * incremental.cc (Incremental_inputs::report_object): Make
807         either Incremental_object_entry or Incremental_dynobj_entry; add
808         soname to string table.
809         (Incremental_inputs::report_input_section): Add assertion.
810         (Output_section_incremental_inputs::set_final_data_size): Adjust
811         type of input file entry for shared libraries; adjust size of
812         shared library info entry.
813         (Output_section_incremental_inputs::write_input_files): Write
814         as_needed flag for shared libraries.
815         (Output_section_incremental_inputs::write_info_blocks): Adjust type
816         of input file entry for shared libraries; write soname.
817         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
818         soname from incremental info.
819         * incremental.h (enum Incremental_input_flags): Add
820         INCREMENTAL_INPUT_AS_NEEDED.
821         (Incremental_input_entry::Incremental_input_entry): Initialize new
822         data member.
823         (Incremental_input_entry::set_as_needed): New function.
824         (Incremental_input_entry::as_needed): New function.
825         (Incremental_input_entry::do_dynobj_entry): New function.
826         (Incremental_input_entry::as_needed_): New data member.
827         (Incremental_object_entry::Incremental_object_entry): Don't check
828         for shared library.
829         (Incremental_object_entry::do_type): Likewise.
830         (class Incremental_dynobj_entry): New class.
831         (Incremental_input_entry_reader::as_needed): New function.
832         (Incremental_input_entry_reader::get_soname): New function.
833         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
834         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
835         size of shared library info entry.
836         * layout.cc (Layout::finish_dynamic_section): Don't test for 
837         incremental link when adding DT_NEEDED entries.
838         * object.h (Object::Object): Initialize new data member.
839         (Object::dynobj): New function.
840         (Object::set_as_needed): New function.
841         (Object::as_needed): New function.
842         (Object::do_dynobj): New function.
843         (Object::as_needed_): New data member.
844
845 2011-05-24 Cary Coutant  <ccoutant@google.com>
846
847         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
848         info; adjust display of GOT entries.
849         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
850         vector of input objects; remove file_status_.
851         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
852         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
853         got_plt reader; call target hooks to reserve GOT entries.
854         (Output_section_incremental_inputs::set_final_data_size): Adjust size
855         of input file info header and GOT info entry.
856         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
857         relocation info.
858         (Got_plt_view_info::got_descriptor): Remove.
859         (Got_plt_view_info::sym_index): New data member.
860         (Got_plt_view_info::input_index): New data member.
861         (Local_got_offset_visitor::visit): Write input file index.
862         (Global_got_offset_visitor::visit): Write 0 for input file index.
863         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
864         with sym_index and input_index.
865         (Output_section_incremental_inputs::write_got_plt): Adjust size of
866         incremental info GOT entry; replace got_descriptor with input_index.
867         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
868         map from input file index to object.
869         (Sized_relobj_incr::do_layout): Replace direct data member reference
870         with accessor function.
871         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
872         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
873         Adjust size of input file info header.
874         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
875         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
876         (Incremental_input_entry_reader::get_input_section): Adjust size of
877         input file info header.
878         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
879         of incremental info GOT entry.
880         (Incremental_got_plt_reader::get_got_desc): Remove.
881         (Incremental_got_plt_reader::get_got_symndx): New function.
882         (Incremental_got_plt_reader::get_got_input_index): New function.
883         (Sized_incremental_binary::Sized_incremental_binary): Remove
884         file_status_; add input_objects_.
885         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
886         (Sized_incremental_binary::set_file_is_unchanged): Remove.
887         (Sized_incremental_binary::file_is_unchanged): Remove.
888         (Sized_incremental_binary::set_input_object): New function.
889         (Sized_incremental_binary::input_object): New function.
890         (Sized_incremental_binary::file_status_): Remove.
891         (Sized_incremental_binary::input_objects_): New data member.
892         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
893         references.
894         (Sized_relobj_incr::invalid_address): Move to base class.
895         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
896         class.
897         (Sized_relobj_incr::do_output_section_offset): Likewise.
898         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
899         (Sized_relobj_incr::section_offsets_): Likewise.
900         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
901         function.
902         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
903         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
904         with accessor function.
905         (Sized_relobj_file::do_layout): Likewise.
906         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
907         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
908         (Sized_relobj_file::compute_final_local_value): Replace refs to
909         section_offsets_ with accessor function.
910         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
911         * object.h (Relobj::Relobj): Initialize new data members.
912         (Relobj::add_dyn_reloc): New function.
913         (Relobj::first_dyn_reloc): New function.
914         (Relobj::dyn_reloc_count): New function.
915         (Relobj::first_dyn_reloc_): New data member.
916         (Relobj::dyn_reloc_count_): New data member.
917         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
918         references.
919         (Sized_relobj::Address): New typedef.
920         (Sized_relobj::invalid_address): Move here from child class.
921         (Sized_relobj::Sized_relobj): Initialize new data members.
922         (Sized_relobj::sized_relobj): New function.
923         (Sized_relobj::is_output_section_offset_invalid): Move here from
924         child class.
925         (Sized_relobj::get_output_section_offset): Likewise.
926         (Sized_relobj::local_has_got_offset): Likewise.
927         (Sized_relobj::local_got_offset): Likewise.
928         (Sized_relobj::set_local_got_offset): Likewise.
929         (Sized_relobj::do_for_all_local_got_entries): Likewise.
930         (Sized_relobj::clear_got_offsets): New function.
931         (Sized_relobj::section_offsets): Move here from child class.
932         (Sized_relobj::do_output_section_offset): Likewise.
933         (Sized_relobj::do_set_section_offset): Likewise.
934         (Sized_relobj::Local_got_offsets): Likewise.
935         (Sized_relobj::local_got_offsets_): Likewise.
936         (Sized_relobj::section_offsets_): Likewise.
937         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
938         references.
939         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
940         class.
941         (Sized_relobj_file::sized_relobj): New function
942         (Sized_relobj_file::local_has_got_offset): Move to base class.
943         (Sized_relobj_file::local_got_offset): Likewise.
944         (Sized_relobj_file::set_local_got_offset): Likewise.
945         (Sized_relobj_file::get_output_section_offset): Likewise.
946         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
947         (Sized_relobj_file::do_output_section_offset): Likewise.
948         (Sized_relobj_file::do_set_section_offset): Likewise.
949         (Sized_relobj_file::Local_got_offsets): Likewise.
950         (Sized_relobj_file::local_got_offsets_): Likewise.
951         (Sized_relobj_file::section_offsets_): Likewise.
952         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
953         (all constructors).
954         (set_needs_dynsym_index): Convert relobj to derived class pointer.
955         (Output_reloc::get_symbol_index): Likewise.
956         (Output_reloc::local_section_offset): Likewise.
957         (Output_reloc::get_address): Likewise.
958         (Output_reloc::symbol_value): Likewise.
959         (Output_data_got::reserve_slot): Move to class definition.
960         (Output_data_got::reserve_local): New function.
961         (Output_data_got::reserve_slot_for_global): Remove.
962         (Output_data_got::reserve_global): New function.
963         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
964         (all constructors, two instantiations).
965         (Output_reloc::get_relobj): New function (two instantiations).
966         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
967         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
968         (Output_data_reloc::add_global): Adjust type of relobj.
969         (Output_data_reloc::add_global_relative): Likewise.
970         (Output_data_reloc::add_symbolless_global_addend): Likewise.
971         (Output_data_reloc::add_local): Likewise.
972         (Output_data_reloc::add_local_relative): Likewise.
973         (Output_data_reloc::add_symbolless_local_addend): Likewise.
974         (Output_data_reloc::add_local_section): Likewise.
975         (Output_data_reloc::add_output_section): Likewise.
976         (Output_data_reloc::add_absolute): Likewise.
977         (Output_data_reloc::add_target_specific): Likewise.
978         (Output_data_got::reserve_slot): Move definition here.
979         (Output_data_got::reserve_local): New function.
980         (Output_data_got::reserve_global): New function.
981         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
982         section_offsets_ with accessor function.
983         (Sized_relobj_file::write_sections): Likewise.
984         (Sized_relobj_file::do_relocate_sections): Likewise.
985         * target.h (Sized_target::reserve_local_got_entry): New function.
986         (Sized_target::reserve_global_got_entry): New function.
987         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
988         (Target_x86_64::reserve_global_got_entry): New function.
989         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
990
991 2011-05-23 Cary Coutant  <ccoutant@google.com>
992
993         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
994         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
995         bit when checking got_type.
996         * incremental.cc (Sized_incremental_binary::setup_readers):
997         Store symbol table and string table locations; initialize bit vector
998         of file status flags.
999         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1000         unchanged files.
1001         (Sized_incremental_binary::do_process_got_plt): New function.
1002         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1003         (Output_section_incremental_inputs::set_final_data_size): Record
1004         file index for each input file.
1005         (Output_section_incremental_inputs::write_got_plt): Store file index
1006         instead of input entry offset for each GOT entry.
1007         * incremental.h
1008         (Incremental_input_entry::Incremental_input_entry): Initialize new
1009         data member.
1010         (Incremental_input_entry::set_offset): Store file index.
1011         (Incremental_input_entry::get_file_index): New function.
1012         (Incremental_input_entry::file_index_): New data member.
1013         (Incremental_binary::process_got_plt): New function.
1014         (Incremental_binary::do_process_got_plt): New function.
1015         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1016         data members.
1017         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1018         (Sized_incremental_binary::set_file_is_unchanged): New function.
1019         (Sized_incremental_binary::file_is_unchanged): New function.
1020         (Sized_incremental_binary::do_process_got_plt): New function.
1021         (Sized_incremental_binary::file_status_): New data member.
1022         (Sized_incremental_binary::main_symtab_loc_): New data member.
1023         (Sized_incremental_binary::main_strtab_loc_): New data member.
1024         * output.cc (Output_data_got::Got_entry::write): Add case
1025         RESERVED_CODE.
1026         (Output_data_got::add_global): Call add_got_entry.
1027         (Output_data_got::add_global_plt): Likewise.
1028         (Output_data_got::add_global_with_rel): Likewise.
1029         (Output_data_got::add_global_with_rela): Likewise.
1030         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1031         (Output_data_got::add_global_pair_with_rela): Likewise.
1032         (Output_data_got::add_local): Call add_got_entry.
1033         (Output_data_got::add_local_plt): Likewise.
1034         (Output_data_got::add_local_with_rel): Likewise.
1035         (Output_data_got::add_local_with_rela): Likewise.
1036         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1037         (Output_data_got::add_local_pair_with_rela): Likewise.
1038         (Output_data_got::reserve_slot): New function.
1039         (Output_data_got::reserve_slot_for_global): New function.
1040         (Output_data_got::add_got_entry): New function.
1041         (Output_data_got::add_got_entry_pair): New function.
1042         (Output_section::add_output_section_data): Edit FIXME.
1043         * output.h
1044         (Output_section_data_build::Output_section_data_build): New
1045         constructor with size parameter.
1046         (Output_data_space::Output_data_space): Likewise.
1047         (Output_data_got::Output_data_got): Initialize new data member; new
1048         constructor with size parameter.
1049         (Output_data_got::add_constant): Call add_got_entry.
1050         (Output_data_got::reserve_slot): New function.
1051         (Output_data_got::reserve_slot_for_global): New function.
1052         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1053         (Output_data_got::add_got_entry): New function.
1054         (Output_data_got::add_got_entry_pair): New function.
1055         (Output_data_got::free_list_): New data member.
1056         * target.h (Sized_target::init_got_plt_for_update): New function.
1057         (Sized_target::register_global_plt_entry): New function.
1058         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1059         Initialize new data member; call init; add constructor with PLT count.
1060         (Output_data_plt_x86_64::init): New function.
1061         (Output_data_plt_x86_64::add_relocation): New function.
1062         (Output_data_plt_x86_64::reserve_slot): New function.
1063         (Output_data_plt_x86_64::free_list_): New data member.
1064         (Target_x86_64::init_got_plt_for_update): New function.
1065         (Target_x86_64::register_global_plt_entry): New function.
1066         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1067         incremental updates.
1068         (Output_data_plt_x86_64::add_relocation): New function.
1069         * testsuite/object_unittest.cc (Object_test): Set default options.
1070
1071 2011-05-16  Ian Lance Taylor  <iant@google.com>
1072
1073         * options.h (class General_options): Make -i a synonym for -r.
1074
1075 2011-05-16  Ian Lance Taylor  <iant@google.com>
1076
1077         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1078
1079 2011-05-10 Cary Coutant  <ccoutant@google.com>
1080
1081         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1082         strip_all (-s).
1083
1084 2011-05-06  Ian Lance Taylor  <iant@google.com>
1085
1086         * layout.cc (Layout::layout): If the output section flags change,
1087         update the ordering.
1088
1089 2011-04-25 Cary Coutant  <ccoutant@google.com>
1090
1091         * incremental-dump.cc (dump_incremental_inputs): Print local
1092         symbol info for each input file.
1093         * incremental.cc
1094         (Output_section_incremental_inputs::set_final_data_size): Add local
1095         symbol info to input file entries in incremental info.
1096         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1097         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1098         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1099         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1100         implementation.
1101         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1102         (Sized_incr_relobj::do_relocate): Write the local symbols.
1103         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1104         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1105         Adjust size of input file header.
1106         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1107         (Incremental_inputs_reader::get_local_symbol_count): New function.
1108         (Incremental_inputs_reader::get_input_section): Adjust size of input
1109         file header.
1110         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1111         (Sized_incr_relobj::This): New typedef.
1112         (Sized_incr_relobj::sym_size): New const data member.
1113         (Sized_incr_relobj::Local_symbol): New struct.
1114         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1115         (Sized_incr_relobj::do_local_symbol_offset): New function.
1116         (Sized_incr_relobj::local_symbol_count_): New data member.
1117         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1118         (Sized_incr_relobj::local_symbol_index_): New data member.
1119         (Sized_incr_relobj::local_symbol_offset_): New data member.
1120         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1121         (Sized_incr_relobj::local_symbols_): New data member.
1122         * object.h (Relobj::output_local_symbol_count): New function.
1123         (Relobj::local_symbol_offset): New function.
1124         (Relobj::do_output_local_symbol_count): New function.
1125         (Relobj::do_local_symbol_offset): New function.
1126         (Sized_relobj::do_output_local_symbol_count): New function.
1127         (Sized_relobj::do_local_symbol_offset): New function.
1128
1129 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1130
1131         * descriptors.cc (set_close_on_exec): New function.
1132         (Descriptors::open): Use set_close_on_exec.
1133         * output.cc (S_ISLNK): Define if not defined.
1134
1135 2011-04-22 Cary Coutant  <ccoutant@google.com>
1136
1137         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1138         global symbol map.
1139         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1140         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1141         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1142         relocations.
1143         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1144         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1145         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1146         * incremental.h
1147         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1148         function.
1149         (Incremental_binary::apply_incremental_relocs): New function.
1150         (Incremental_binary::do_apply_incremental_relocs): New function.
1151         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1152         data member.
1153         (Sized_incremental_binary::add_global_symbol): New function.
1154         (Sized_incremental_binary::global_symbol): New function.
1155         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1156         (Sized_incremental_binary::symbol_map_): New data member.
1157         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1158         * target.h (Sized_target::apply_relocation): New function.
1159         * target-reloc.h (apply_relocation): New function.
1160         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1161
1162 2011-04-22  Doug Kwan  <dougkwan@google.com>
1163
1164         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1165         flag of a SHT_ARM_EXIDX section.
1166         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1167         * testsuite/Makefile.in: Regenerate.
1168         * testsuite/arm_exidx_test.s: New file.
1169         * testsuite/arm_exidx_test.sh: Same.
1170
1171 2011-04-20 Cary Coutant  <ccoutant@google.com>
1172
1173         PR gold/12689
1174         * archive.h (Incremental_archive_entry::Archive_member):
1175         Initialize arg_serial_ (second constructor).
1176
1177 2011-04-17  Ian Lance Taylor  <iant@google.com>
1178
1179         * object.cc (Relocate_info::location): Simplify location string.
1180         * errors.cc (Errors::error_at_location): Don't print program
1181         name.
1182         (Errors::warning_at_location): Likewise.
1183         (Errors::undefined_symbol): Likewise.
1184         * testsuite/debug_msg.sh: Update accordingly.
1185
1186 2011-04-14 Cary Coutant  <ccoutant@google.com>
1187
1188         * gold/layout.cc (Layout::symtab_section_offset): New function.
1189         * gold/layout.h (Layout::symtab_section_offset): New function.
1190         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1191
1192 2011-04-12  Ian Lance Taylor  <iant@google.com>
1193
1194         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1195         with MREMAP_MAYMOVE.
1196         * output.h (class Output_file): Add map_is_allocated_ field.
1197         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1198         not available, provide stubs.  If mremap is not available, #define
1199         it to gold_mremap.
1200         (MREMAP_MAYMOVE): Define if not defined.
1201         (Output_file::Output_file): Initialize map_is_allocated_.
1202         (Output_file::resize): Check map_is_allocated_.
1203         (Output_file::map_anonymous): If mmap fails, use malloc.
1204         (Output_file::unmap): Don't do anything for an anonymous map.
1205         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1206         is not available, provide stubs.
1207         (File_read::View::~View): Use free rather than delete[].
1208         (File_read::make_view): Use malloc rather than new[].  If mmap
1209         fails, use malloc.
1210         (File_read::find_or_make_view): Use malloc rather than new[].
1211         * gold.h: Remove HAVE_REMAP code.
1212         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1213         exists.  Rename mremap to gold_mremap.  If mmap is not available
1214         don't do anything.
1215         * configure, config.in: Rebuild.
1216
1217 2011-04-11  Ian Lance Taylor  <iant@google.com>
1218
1219         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1220         initialize local variable v.
1221
1222 2011-04-11  Cary Coutant  <ccoutant@google.com>
1223
1224         * archive.cc (Archive::include_member): Adjust call to
1225         report_object.
1226         (Add_archive_symbols::run): Track argument serial numbers.
1227         (Lib_group::include_member): Likewise.
1228         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1229         * archive.h (Incremental_archive_entry::Archive_member):
1230         Initialize arg_serial_.
1231         (Archive_member::arg_serial_): New data member.
1232         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1233         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1234         incremental link.
1235         (Sized_dynobj::do_for_all_local_got_entries): New function.
1236         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1237         function.
1238         * fileread.cc (get_mtime): New function.
1239         * fileread.h (get_mtime): New function.
1240         * gold.cc (queue_initial_tasks): Check for incremental update.
1241         (process_incremental_input): New function.
1242         (queue_middle_tasks): Don't force valid target for incremental
1243         update.
1244         * incremental-dump.cc (find_input_containing_global): Adjust
1245         size of symbol info entry.
1246         (dump_incremental_inputs): Dump argument serial number and
1247         in_system_directory flag; bias shndx by 1; print symbol names
1248         when dumping per-file symbol lists; use new symbol info readers.
1249         * incremental.cc
1250         (Output_section_incremental_inputs:update_data_size): New function.
1251         (Sized_incremental_binary::setup_readers): Setup input readers
1252         for each input file; build maps for files added from libraries
1253         and scripts.
1254         (Sized_incremental_binary::check_input_args): New function.
1255         (Sized_incremental_binary::do_check_inputs): Build map of argument
1256         serial numbers to input arguments.
1257         (Sized_incremental_binary::do_file_has_changed): Rename
1258         do_file_is_unchanged to this; compare file modification times.
1259         (Sized_incremental_binary::do_init_layout): New function.
1260         (Sized_incremental_binary::do_reserve_layout): New function.
1261         (Sized_incremental_binary::do_get_input_reader): Remove.
1262         (Sized_incremental_binary::get_symtab_view): New function.
1263         (Incremental_checker::can_incrementally_link_output_file): Remove.
1264         (Incremental_inputs::report_command_line): Exclude --debug options.
1265         (Incremental_inputs::report_archive_begin): Add parameter; track
1266         argument serial numbers; don't put input file entry for archive
1267         before archive members.
1268         (Incremental_inputs::report_archive_end): Put input file entry
1269         for archive after archive members.
1270         (Incremental_inputs::report_object): Add parameter; track argument
1271         serial numbers and in_system_directory flag.
1272         (Incremental_inputs::report_script): Add parameter; track argument
1273         serial numbers.
1274         (Output_section_incremental_inputs::set_final_data_size): Adjust
1275         size of symbol info entry; check for forwarding symbols.
1276         (Output_section_incremental_inputs::write_input_files): Write
1277         in_system_directory flag and argument serial number.
1278         (Output_section_incremental_inputs::write_info_blocks): Map section
1279         indices between incremental info and original input file; store
1280         input section index for each symbol.
1281         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1282         change operator() to visit().
1283         (class Global_got_offset_visitor): Likewise.
1284         (class Global_symbol_visitor_got_plt):
1285         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1286         classes.
1287         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1288         (Sized_incr_relobj::do_read_symbols): New function.
1289         (Sized_incr_relobj::do_layout): New function.
1290         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1291         (Sized_incr_relobj::do_add_symbols): New function.
1292         (Sized_incr_relobj::do_should_include_member): New function.
1293         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1294         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1295         (Sized_incr_relobj::do_section_size): New function.
1296         (Sized_incr_relobj::do_section_name): New function.
1297         (Sized_incr_relobj::do_section_contents): New function.
1298         (Sized_incr_relobj::do_section_flags): New function.
1299         (Sized_incr_relobj::do_section_entsize): New function.
1300         (Sized_incr_relobj::do_section_address): New function.
1301         (Sized_incr_relobj::do_section_type): New function.
1302         (Sized_incr_relobj::do_section_link): New function.
1303         (Sized_incr_relobj::do_section_info): New function.
1304         (Sized_incr_relobj::do_section_addralign): New function.
1305         (Sized_incr_relobj::do_initialize_xindex): New function.
1306         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1307         (Sized_incr_relobj::do_read_relocs): New function.
1308         (Sized_incr_relobj::do_gc_process_relocs): New function.
1309         (Sized_incr_relobj::do_scan_relocs): New function.
1310         (Sized_incr_relobj::do_count_local_symbols): New function.
1311         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1312         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1313         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1314         (Sized_incr_relobj::do_relocate): New function.
1315         (Sized_incr_relobj::do_set_section_offset): New function.
1316         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1317         (Sized_incr_dynobj::do_read_symbols): New function.
1318         (Sized_incr_dynobj::do_layout): New function.
1319         (Sized_incr_dynobj::do_add_symbols): New function.
1320         (Sized_incr_dynobj::do_should_include_member): New function.
1321         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1322         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1323         (Sized_incr_dynobj::do_section_size): New function.
1324         (Sized_incr_dynobj::do_section_name): New function.
1325         (Sized_incr_dynobj::do_section_contents): New function.
1326         (Sized_incr_dynobj::do_section_flags): New function.
1327         (Sized_incr_dynobj::do_section_entsize): New function.
1328         (Sized_incr_dynobj::do_section_address): New function.
1329         (Sized_incr_dynobj::do_section_type): New function.
1330         (Sized_incr_dynobj::do_section_link): New function.
1331         (Sized_incr_dynobj::do_section_info): New function.
1332         (Sized_incr_dynobj::do_section_addralign): New function.
1333         (Sized_incr_dynobj::do_initialize_xindex): New function.
1334         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1335         (make_sized_incremental_object): New function.
1336         (Incremental_library::copy_unused_symbols): New function.
1337         (Incremental_library::do_for_all_unused_symbols): New function.
1338         * incremental.h (enum Incremental_input_flags): New type.
1339         (class Incremental_checker): Remove.
1340         (Incremental_input_entry::Incremental_input_entry): Add argument
1341         serial number.
1342         (Incremental_input_entry::arg_serial): New function.
1343         (Incremental_input_entry::set_is_in_system_directory): New function.
1344         (Incremental_input_entry::is_in_system_directory): New function.
1345         (Incremental_input_entry::arg_serial_): New data member.
1346         (Incremental_input_entry::is_in_system_directory_): New data member.
1347         (class Script_info): Move here from script.h.
1348         (Script_info::Script_info): Add filename parameter.
1349         (Script_info::filename): New function.
1350         (Script_info::filename_): New data member.
1351         (Incremental_script_entry::Incremental_script_entry): Add argument
1352         serial number.
1353         (Incremental_object_entry::Incremental_object_entry): Likewise.
1354         (Incremental_object_entry::add_input_section): Build list of input
1355         sections with map to original shndx.
1356         (Incremental_object_entry::get_input_section_index): New function.
1357         (Incremental_object_entry::shndx_): New data member.
1358         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1359         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1360         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1361         serial number.
1362         (Incremental_inputs::report_archive_begin): Likewise.
1363         (Incremental_inputs::report_object): Likewise.
1364         (Incremental_inputs::report_script): Likewise.
1365         (class Incremental_global_symbol_reader): New class.
1366         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1367         and store flags and input file type.
1368         (Incremental_input_entry_reader::arg_serial): New function.
1369         (Incremental_input_entry_reader::type): Extract type from flags.
1370         (Incremental_input_entry_reader::is_in_system_directory): New function.
1371         (Incremental_input_entry_reader::get_input_section_count): Call
1372         accessor function for type.
1373         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1374         function for type; adjust size of global symbol entry.
1375         (Incremental_input_entry_reader::get_global_symbol_count): Call
1376         accessor function for type.
1377         (Incremental_input_entry_reader::get_object_count): Likewise.
1378         (Incremental_input_entry_reader::get_object_offset): Likewise.
1379         (Incremental_input_entry_reader::get_member_count): Likewise.
1380         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1381         (Incremental_input_entry_reader::get_member_offset): Likewise.
1382         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1383         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1384         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1385         (Incremental_input_entry_reader::get_global_symbol_reader): New
1386         function.
1387         (Incremental_input_entry_reader::get_output_symbol_index): New
1388         function.
1389         (Incremental_input_entry_reader::type_): Remove.
1390         (Incremental_input_entry_reader::flags_): New data member.
1391         (Incremental_inputs_reader::input_file_offset): New function.
1392         (Incremental_inputs_reader::input_file_index): New function.
1393         (Incremental_inputs_reader::input_file): Call input_file_offset.
1394         (Incremental_inputs_reader::input_file_at_offset): New function.
1395         (Incremental_relocs_reader::get_r_type): Reformat.
1396         (Incremental_relocs_reader::get_r_shndx): Reformat.
1397         (Incremental_relocs_reader::get_r_offset): Reformat.
1398         (Incremental_relocs_reader::data): New function.
1399         (Incremental_binary::Incremental_binary): Initialize new data members.
1400         (Incremental_binary::check_inputs): Add cmdline parameter.
1401         (Incremental_binary::file_is_unchanged): Remove.
1402         (Input_reader::arg_serial): New function.
1403         (Input_reader::get_unused_symbol_count): New function.
1404         (Input_reader::get_unused_symbol): New function.
1405         (Input_reader::do_arg_serial): New function.
1406         (Input_reader::do_get_unused_symbol_count): New function.
1407         (Input_reader::do_get_unused_symbol): New function.
1408         (Incremental_binary::input_file_count): New function.
1409         (Incremental_binary::get_input_reader): Change signature to use
1410         index instead of filename.
1411         (Incremental_binary::file_has_changed): New function.
1412         (Incremental_binary::get_input_argument): New function.
1413         (Incremental_binary::get_library): New function.
1414         (Incremental_binary::get_script_info): New function.
1415         (Incremental_binary::init_layout): New function.
1416         (Incremental_binary::reserve_layout): New function.
1417         (Incremental_binary::output_file): New function.
1418         (Incremental_binary::do_check_inputs): New function.
1419         (Incremental_binary::do_file_is_unchanged): Remove.
1420         (Incremental_binary::do_file_has_changed): New function.
1421         (Incremental_binary::do_init_layout): New function.
1422         (Incremental_binary::do_reserve_layout): New function.
1423         (Incremental_binary::do_input_file_count): New function.
1424         (Incremental_binary::do_get_input_reader): Change signature.
1425         (Incremental_binary::input_args_map_): New data member.
1426         (Incremental_binary::library_map_): New data member.
1427         (Incremental_binary::script_map_): New data member.
1428         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1429         new data members.
1430         (Sized_incremental_binary::output_section): New function.
1431         (Sized_incremental_binary::inputs_reader): Add const.
1432         (Sized_incremental_binary::symtab_reader): Add const.
1433         (Sized_incremental_binary::relocs_reader): Add const.
1434         (Sized_incremental_binary::got_plt_reader): Add const.
1435         (Sized_incremental_binary::get_symtab_view): New function.
1436         (Sized_incremental_binary::Inputs_reader): New typedef.
1437         (Sized_incremental_binary::Input_entry_reader): New typedef.
1438         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1439         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1440         (Sized_incremental_binary::do_file_has_changed): New function.
1441         (Sized_incremental_binary::do_init_layout): New function.
1442         (Sized_incremental_binary::do_reserve_layout): New function.
1443         (Sized_input_reader::Inputs_reader): Remove.
1444         (Sized_input_reader::Input_entry_reader): Remove.
1445         (Sized_input_reader::do_arg_serial): New function.
1446         (Sized_input_reader::do_get_unused_symbol_count): New function.
1447         (Sized_input_reader::do_get_unused_symbol): New function.
1448         (Sized_incremental_binary::do_input_file_count): New function.
1449         (Sized_incremental_binary::do_get_input_reader): Change signature;
1450         use index instead of filename.
1451         (Sized_incremental_binary::section_map_): New data member.
1452         (Sized_incremental_binary::input_entry_readers_): New data member.
1453         (class Sized_incr_relobj): New class.
1454         (class Sized_incr_dynobj): New class.
1455         (make_sized_incremental_object): New function.
1456         (class Incremental_library): New class.
1457         * layout.cc (Free_list::num_lists): New static data member.
1458         (Free_list::num_nodes): New static data member.
1459         (Free_list::num_removes): New static data member.
1460         (Free_list::num_remove_visits): New static data member.
1461         (Free_list::num_allocates): New static data member.
1462         (Free_list::num_allocate_visits): New static data member.
1463         (Free_list::init): New function.
1464         (Free_list::remove): New function.
1465         (Free_list::allocate): New function.
1466         (Free_list::dump): New function.
1467         (Free_list::print_stats): New function.
1468         (Layout_task_runner::run): Resize output file for incremental updates.
1469         (Layout::Layout): Initialize new data members.
1470         (Layout::set_incremental_base): New function.
1471         (Layout::init_fixed_output_section): New function.
1472         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1473         incremental updates.
1474         (Layout::create_gold_note): Do not create gold note section for
1475         incremental updates.
1476         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1477         for incremental updates.
1478         (Layout::set_section_offsets): For incremental updates, allocate space
1479         from free list.
1480         (Layout::create_symtab_sections): Layout with offsets relative to
1481         start of section; for incremental updates, allocate space from free
1482         list.
1483         (Layout::create_shdrs): For incremental updates, allocate space from
1484         free list.
1485         (Layout::finish_dynamic_section): For incremental updates, do not
1486         check --as-needed (fixed in subsequent patch).
1487         * layout.h (class Free_list): New class.
1488         (Layout::set_incremental_base): New function.
1489         (Layout::incremental_base): New function.
1490         (Layout::init_fixed_output_section): New function.
1491         (Layout::allocate): New function.
1492         (Layout::incremental_base_): New data member.
1493         (Layout::free_list_): New data member.
1494         * main.cc (main): Print Free_list statistics.
1495         * object.cc (Relobj::finalize_incremental_relocs): Add
1496         clear_counts parameter; clear counts only when clear_counts is set.
1497         (Sized_relobj::Sized_relobj): Initialize new base class.
1498         (Sized_relobj::do_layout): Don't report special sections.
1499         (Sized_relobj::do_for_all_local_got_entries): New function.
1500         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1501         symtab_off to all symbol table offsets.
1502         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1503         * object.h (class Got_offset_list): Move to top of file.
1504         (Object::Object): Allow case where input_file == NULL.
1505         (Object::~Object): Likewise.
1506         (Object::input_file): Assert that input_file != NULL.
1507         (Object::lock): Allow case where input_file == NULL.
1508         (Object::unlock): Likewise.
1509         (Object::is_locked): Likewise.
1510         (Object::token): Likewise.
1511         (Object::release): Likewise.
1512         (Object::is_incremental): New function.
1513         (Object::get_mtime): New function.
1514         (Object::for_all_local_got_entries): New function.
1515         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1516         (Object::set_is_in_system_directory): New function.
1517         (Object::is_in_system_directory): New function.
1518         (Object::do_is_incremental): New function.
1519         (Object::do_get_mtime): New function.
1520         (Object::do_for_all_local_got_entries): New function.
1521         (Object::is_in_system_directory_): New data member.
1522         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1523         (class Sized_relobj_base): New class.
1524         (class Sized_relobj): Derive from Sized_relobj_base.
1525         (class Sized_relobj::Symbols): Redeclare from base class.
1526         (class Sized_relobj::local_got_offset_list): Remove.
1527         (class Sized_relobj::Output_sections): Redeclare from base class.
1528         (class Sized_relobj::do_for_all_local_got_entries): New function.
1529         (class Sized_relobj::write_local_symbols): Add offset parameter.
1530         (class Sized_relobj::local_symbol_offset_): Update comment.
1531         (class Sized_relobj::local_dynsym_offset_): Update comment.
1532         * options.cc (Input_arguments::add_file): Remove const.
1533         * options.h (Input_file_argument::Input_file_argument):
1534         Initialize arg_serial_ (all constructors).
1535         (Input_file_argument::set_arg_serial): New function.
1536         (Input_file_argument::arg_serial): New function.
1537         (Input_file_argument::arg_serial_): New data member.
1538         (Input_arguments::Input_arguments): Initialize file_count_.
1539         (Input_arguments::add_file): Remove const.
1540         (Input_arguments::number_of_input_files): New function.
1541         (Input_arguments::file_count_): New data member.
1542         (Command_line::number_of_input_files): Call
1543         Input_arguments::number_of_input_files.
1544         * output.cc (Output_segment_headers::Output_segment_headers):
1545         Set current size.
1546         (Output_section::Input_section::current_data_size): New function.
1547         (Output_section::Output_section): Initialize new data members.
1548         (Output_section::add_input_section): Don't do merge sections for
1549         an incremental link; allocate space from free list for an
1550         incremental update.
1551         (Output_section::add_output_section_data): Allocate space from
1552         free list for an incremental update.
1553         (Output_section::update_data_size): New function.
1554         (Output_section::set_fixed_layout): New function.
1555         (Output_section::reserve): New function.
1556         (Output_segment::set_section_addresses): Remove const.
1557         (Output_segment::set_section_list_addresses): Remove const; allocate
1558         space from free list for an incremental update.
1559         (Output_segment::set_offset): Adjust size of RELRO segment for an
1560         incremental update.
1561         * output.h (Output_data::current_data_size): Move here from
1562         child classes.
1563         (Output_data::pre_finalize_data_size): New function.
1564         (Output_data::update_data_size): New function.
1565         (Output_section_headers::update_data_size): new function.
1566         (Output_section_data_build::current_data_size): Move to Output_data.
1567         (Output_data_strtab::update_data_size): New function.
1568         (Output_section::current_data_size): Move to Output_data.
1569         (Output_section::set_fixed_layout): New function.
1570         (Output_section::has_fixed_layout): New function.
1571         (Output_section::reserve): New function.
1572         (Output_section::update_data_size): New function.
1573         (Output_section::has_fixed_layout_): New data member.
1574         (Output_section::free_list_): New data member.
1575         (Output_segment::set_section_addresses): Remove const.
1576         (Output_segment::set_section_list_addresses): Remove const.
1577         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1578         New function.
1579         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1580         New function.
1581         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1582         parameter when calling Add_symbols constructor; store argument
1583         serial number for members of a lib group.
1584         (Add_symbols::locks): Allow case where token == NULL.
1585         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1586         (Read_member::~Read_member): New function.
1587         (Read_member::is_runnable): New function.
1588         (Read_member::locks): New function.
1589         (Read_member::run): New function.
1590         (Check_script::~Check_script): New function.
1591         (Check_script::is_runnable): New function.
1592         (Check_script::locks): New function.
1593         (Check_script::run): New function.
1594         (Check_library::~Check_library): New function.
1595         (Check_library::is_runnable): New function.
1596         (Check_library::locks): New function.
1597         (Check_library::run): New function.
1598         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1599         (Add_symbols::library_): New data member.
1600         (class Read_member): New class.
1601         (class Check_script): New class.
1602         (class Check_library): New class.
1603         * reloc.cc (Read_relocs::is_runnable): Allow case where
1604         token == NULL.
1605         (Read_relocs::locks): Likewise.
1606         (Scan_relocs::locks): Likewise.
1607         (Relocate_task::locks): Likewise.
1608         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1609         to clear counters.
1610         (Sized_relobj::incremental_relocs_scan): Fix comment.
1611         (Sized_relobj::do_relocate): Pass output file offset to
1612         write_local_symbols.
1613         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1614         from class declaration.
1615         * script.cc (read_input_script): Allocate Script_info; pass
1616         argument serial number to report_script.
1617         * script.h (class Script_info): Move to incremental.h.
1618         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1619         * symtab.h (Symbol_table::add_from_incrobj): New function.
1620         (Symbol_table::set_file_offset): New function.
1621
1622 2011-04-05  Cary Coutant  <ccoutant@google.com>
1623
1624         * incremental-dump.cc (dump_incremental_inputs): Change signature
1625         to take a Sized_incremental_binary; change caller.  Use readers
1626         in Sized_incremental_binary.
1627         * incremental.cc
1628         (Sized_incremental_binary::find_incremental_inputs_sections):
1629         Rename do_find_incremental_inputs_sections to this.
1630         (Sized_incremental_binary::setup_readers): New function.
1631         (Sized_incremental_binary::do_check_inputs): Check
1632         has_incremental_info_ flag; move setup code to setup_readers;
1633         use input readers.
1634         (Sized_incremental_binary::do_file_is_unchanged): New function.
1635         (Sized_incremental_binary::do_get_input_reader): New function.
1636         * incremental.h (class Incremental_binary): Move to end of file.
1637         (Incremental_binary::file_is_unchanged): New function.
1638         (Incremental_binary::do_file_is_unchanged): New function.
1639         (Incremental_binary::Input_reader): New class.
1640         (Incremental_binary::get_input_reader): New function.
1641         (class Sized_incremental_binary): Move to end of file.
1642         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1643         input section reader classes.
1644         (Sized_incremental_binary::has_incremental_info): New function.
1645         (Sized_incremental_binary::inputs_reader): New function.
1646         (Sized_incremental_binary::symtab_reader): New function.
1647         (Sized_incremental_binary::relocs_reader): New function.
1648         (Sized_incremental_binary::got_plt_reader): New function.
1649         (Sized_incremental_binary::do_file_is_unchanged): New function.
1650         (Sized_incremental_binary::Sized_input_reader): New class.
1651         (Sized_incremental_binary::get_input_reader): New function.
1652         (Sized_incremental_binary::find_incremental_inputs_sections):
1653         Rename do_find_incremental_inputs_sections to this.
1654         (Sized_incremental_binary::setup_readers): New function.
1655         (Sized_incremental_binary::has_incremental_info_): New data member.
1656         (Sized_incremental_binary::inputs_reader_): New data member.
1657         (Sized_incremental_binary::symtab_reader_): New data member.
1658         (Sized_incremental_binary::relocs_reader_): New data member.
1659         (Sized_incremental_binary::got_plt_reader_): New data member.
1660         (Sized_incremental_binary::current_input_file_): New data member.
1661
1662 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1663
1664         PR gold/12640
1665         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1666         violation.
1667
1668 2011-03-30  Cary Coutant  <ccoutant@google.com>
1669
1670         * archive.cc (Archive::include_member): Adjust call to report_object.
1671         (Add_archive_symbols::run): Add script_info to call to
1672         report_archive_begin.
1673         (Lib_group::include_member): Adjust call to report_object.
1674         (Add_lib_group_symbols::run): Adjust call to report_object.
1675         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1676         blocks.  Add object count for script input files.
1677         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1678         script_info parameter; change all callers.
1679         (Incremental_inputs::report_object): Add script_info parameter;
1680         change all callers.
1681         (Incremental_inputs::report_script): Store backpointer to
1682         incremental info entry.
1683         (Output_section_incremental_inputs::set_final_data_size): Record
1684         additional information for scripts.
1685         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1686         * incremental.h (Incremental_script_entry::add_object): New function.
1687         (Incremental_script_entry::get_object_count): New function.
1688         (Incremental_script_entry::get_object): New function.
1689         (Incremental_script_entry::objects_): New data member; adjust
1690         constructor.
1691         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1692         (Incremental_inputs::report_object): Add script_info parameter.
1693         (Incremental_inputs_reader::get_object_count): New function.
1694         (Incremental_inputs_reader::get_object_offset): New function.
1695         * options.cc (Input_arguments::add_file): Return reference to
1696         new input argument.
1697         * options.h (Input_argument::set_script_info): New function.
1698         (Input_argument::script_info): New function.
1699         (Input_argument::script_info_): New data member; adjust all
1700         constructors.
1701         (Input_file_group::add_file): Return reference to new input argument.
1702         (Input_file_lib::add_file): Likewise.
1703         (Input_arguments::add_file): Likewise.
1704         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1705         * script.cc (Parser_closure::Parser_closure): Add script_info
1706         parameter; adjust all callers.
1707         (Parser_closure::script_info): New function.
1708         (Parser_closure::script_info_): New data member.
1709         (read_input_script): Report scripts earlier to incremental info.
1710         (script_add_file): Set script_info in Input_argument.
1711         (script_add_library): Likewise.
1712         * script.h (Script_options::Script_info): Rewrite class.
1713
1714 2011-03-29  Cary Coutant  <ccoutant@google.com>
1715
1716         * archive.cc (Library_base::should_include_member): Move
1717         method here from class Archive.
1718         (Archive::Archive): Initialize base class.
1719         (Archive::should_include_member): Move to base class.
1720         (Archive::do_for_all_unused_symbols): New function.
1721         (Add_archive_symbols::run): Remove redundant access to
1722         incremental_inputs.
1723         (Lib_group::Lib_group): Initialize base class.
1724         (Lib_group::do_filename): New function.
1725         (Lib_group::include_member): Pass pointer to Lib_group to
1726         report_object.
1727         (Lib_group::do_for_all_unused_symbols): New function.
1728         (Add_lib_group_symbols::run): Report archive information for
1729         incremental links.
1730         * archive.h (class Library_base): New base class.
1731         (class Archive): Derive from Library_base.
1732         (Archive::filename): Move to base class.
1733         (Archive::set_incremental_info): Likewise.
1734         (Archive::incremental_info): Likewise.
1735         (Archive::Should_include): Likewise.
1736         (Archive::should_include_member): Likewise.
1737         (Archive::Armap_entry): Remove.
1738         (Archive::Unused_symbol_iterator): Remove.
1739         (Archive::unused_symbols_begin): Remove.
1740         (Archive::unused_symbols_end): Remove.
1741         (Archive::do_filename): New function.
1742         (Archive::do_get_mtime): New function.
1743         (Archive::do_for_all_unused_symbols): New function.
1744         (Archive::task_): Move to base class.
1745         (Archive::incremental_info_): Likewise.
1746         (class Lib_group): Derive from Library_base.
1747         (Lib_group::do_filename): New function.
1748         (Lib_group::do_get_mtime): New function.
1749         (Lib_group::do_for_all_unused_symbols): New function.
1750         (Lib_group::task_): Move to base class.
1751         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1752         function.
1753         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1754         function.
1755         * incremental.cc (Incremental_inputs::report_archive_begin):
1756         Use Library_base; call library's get_mtime; add incremental inputs
1757         entry before members.
1758         (class Unused_symbol_visitor): New class.
1759         (Incremental_inputs::report_archive_end): Use Library_base; use
1760         visitor class to record unused symbols; don't add incremental inputs
1761         entry after members.
1762         (Incremental_inputs::report_object): Use Library_base.
1763         * incremental.h
1764         (Incremental_archive_entry::Incremental_archive_entry): Remove
1765         unused Archive parameter.
1766         (Incremental_inputs::report_archive_begin): Use Library_base.
1767         (Incremental_inputs::report_archive_end): Likewise.
1768         (Incremental_inputs::report_object): Likewise.
1769         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1770         function.
1771         * object.h (Object::for_all_global_symbols): New function.
1772         (Object::do_for_all_global_symbols): New function.
1773         (Sized_relobj::do_for_all_global_symbols): New function.
1774         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1775         function.
1776         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1777         function.
1778
1779 2011-03-27  Ian Lance Taylor  <iant@google.com>
1780
1781         * archive.cc (Archive::interpret_header): Return -1 if something
1782         goes wrong.  Change callers accordingly.
1783
1784 2011-03-25  Cary Coutant  <ccoutant@google.com>
1785
1786         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1787         * testsuite/Makefile.in: Regenerate.
1788
1789 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1790
1791         * plugin.cc (get_view): New.
1792         (Plugin::load): Pass get_view to the plugin.
1793         (Plugin_manager::get_view): New.
1794
1795 2011-03-21  Ian Lance Taylor  <iant@google.com>
1796
1797         * testsuite/final_layout.sh: Rewrite to not use dc.
1798         * testsuite/relro_test.sh: Fail if dc is not present.
1799
1800 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1801
1802         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1803         Change == to -eq.
1804         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1805         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1806         Change == to -eq.
1807         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1808         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1809
1810 2011-03-14  Ian Lance Taylor  <iant@google.com>
1811
1812         * script-sections.cc (Sort_output_sections::script_compare):
1813         Rename from is_before, change return type.
1814         (Sort_output_sections::operator()): Adjust accordingly.
1815
1816 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1817
1818         PR gold/12572
1819         * testsuite/odr_violation2.cc: Add comment to make all error line
1820         numbers double digits.
1821         * testsuite/debug_msg.sh: Adjust expected errors.
1822
1823 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1824
1825         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1826         but mark earlier ones as non-canonical
1827         (offset_to_iterator): Update search target and example
1828         (do_addr2line): Return extra lines in a vector*
1829         (format_file_lineno): Extract from do_addr2line
1830         (one_addr2line): Add vector* out-param
1831         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1832         when a lineno entry appeared last for its instruction
1833         (Dwarf_line_info): Add vector* out-param
1834         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1835         * symtab.cc (Odr_violation_compare): Include the lineno in the
1836         comparison again.
1837         (linenos_from_loc): New. Combine the canonical line for an
1838         address with its other lines.
1839         (True_if_intersect): New. Helper functor to make
1840         std::set_intersection a query.
1841         (detect_odr_violations): Compare sets of lines instead of just
1842         one line for each function. This became less deterministic, but
1843         has fewer false positives.
1844         * symtab.h: Declarations.
1845         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1846         mix an optimized and non-optimized object in the same binary
1847         (odr_violation2.so): Same.
1848         * testsuite/Makefile.in: Regenerate from Makefile.am.
1849         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1850         * testsuite/debug_msg.sh: Update line numbers and add
1851         assertions.
1852         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1853         non-optimized context.
1854         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1855         isn't inlined, and use OdrDerived in an optimized context.
1856         * testsuite/odr_header1.h: Defines OdrDerived, where
1857         optimization will change the
1858         first-instruction-in-the-destructor's file and line number.
1859         * testsuite/odr_header2.h: Defines OdrBase.
1860
1861 2011-03-09  Ian Lance Taylor  <iant@google.com>
1862
1863         * fileread.cc (File_read::clear_views): Don't delete the whole
1864         file view.
1865
1866 2011-03-08  Ian Lance Taylor  <iant@google.com>
1867
1868         PR gold/12525
1869         * fileread.cc: #include <climits>.
1870         (GOLD_IOV_MAX): Define.
1871         (File_read::read_multiple): Limit number of entries by iov_max.
1872         * fileread.h (class File_read): Always set max_readv_entries to
1873         128.
1874
1875 2011-03-07  Ian Lance Taylor  <iant@google.com>
1876
1877         PR gold/12525
1878         * options.h (class General_options): Add -dy and -dn.
1879
1880 2011-03-02  Cary Coutant  <ccoutant@google.com>
1881
1882         * testsuite/script_test_9.t: Add TLS segment.
1883
1884 2011-03-02  Simon Baldwin  <simonb@google.com>
1885
1886         * configure.ac: Add check for gnu_indirect_function support in
1887         the toolchain building binutils.
1888         * configure: Rebuild.
1889
1890 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1891
1892         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1893         plugin only symbols.
1894         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1895         in plugin files as not needed in the symbol table.
1896
1897 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1898
1899         * output.cc (Output_section::add_input_section): Delay fill
1900         generation for section ordering.
1901
1902 2011-02-09  Ian Lance Taylor  <iant@google.com>
1903
1904         PR gold/12316
1905         * object.h (class Sized_relobj): Remove clear_local_symbols.
1906         * reloc.cc (Sized_relobj::do_relocate): Don't call
1907         clear_local_symbols.
1908
1909 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1910
1911         * plugin.cc (is_visible_from_outside): Return true for symbols
1912         in the -u option.
1913
1914 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1915
1916         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1917         filename.
1918
1919 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1920
1921         * icf.h (is_section_foldable_candidate): Change type of parameter
1922         to std::string.
1923         * icf.cc (Icf::find_identical_sections): Change type of local variable
1924         section_name to be std::string.
1925         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1926
1927 2011-01-25  Ian Lance Taylor  <iant@google.com>
1928
1929         * script.cc (script_add_extern): Rewrite to use
1930         add_symbol_reference.
1931
1932 2011-01-25  Doug Kwan  <dougkwan@google.com>
1933
1934         * icf.cc (get_section_contents): Always lock section's object.
1935
1936 2011-01-24  Ian Lance Taylor  <iant@google.com>
1937
1938         * options.h (class General_options): Accept
1939         --no-detect-odr-violations.
1940
1941 2011-01-24  Ian Lance Taylor  <iant@google.com>
1942
1943         * version.cc (version_string): Bump to 1.11.
1944
1945 2011-01-24  Ian Lance Taylor  <iant@google.com>
1946
1947         * plugin.cc (class Plugin_rescan): Define new class.
1948         (Plugin_manager::claim_file): Set any_claimed_.
1949         (Plugin_manager::save_archive): New function.
1950         (Plugin_manager::save_input_group): New function.
1951         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1952         necessary.
1953         (Plugin_manager::new_undefined_symbol): New function.
1954         (Plugin_manager::rescan): New function.
1955         (Plugin_manager::rescannable_defines): New function.
1956         (Plugin_manager::add_input_file): Set any_added_.
1957         * plugin.h (class Plugin_manager): define new fields rescannable_,
1958         undefined_symbols_, any_claimed_, and any_added_.  Declare
1959         Plugin_rescan as friend.  Declare new functions.
1960         (Plugin_manager::Rescannable): Define type.
1961         (Plugin_manager::Rescannable_list): Define type.
1962         (Plugin_manager::Undefined_symbol_list): Define type.
1963         (Plugin_manager::Plugin_manager): Initialize new fields.
1964         * archive.cc (Archive::defines_symbol): New function.
1965         (Add_archive_symbols::run): Pass archive to plugins if any.
1966         * archive.h (class Archive): Declare defines_symbol.
1967         * readsyms.cc (Input_group::~Input_group): New function.
1968         (Finish_group::run): Pass input_group to plugins if any.
1969         * readsyms.h (class Input_group): Declare destructor.
1970         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1971         any.
1972
1973 2011-01-10  Ian Lance Taylor  <iant@google.com>
1974
1975         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1976         section as relro.
1977         (Layout::set_segment_offsets): Reset increase_relro before calling
1978         set_section_addresses a second time.
1979
1980 2011-01-04  Cary Coutant  <ccoutant@google.com>
1981
1982         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1983         sections before NOBITS sections.
1984
1985 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1986
1987         * version.cc (print_version): Update copyright to 2011.
1988
1989 2010-12-23  Cary Coutant  <ccoutant@google.com>
1990
1991         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1992         of OS to this->add.  Add OD parameter to second form of the function.
1993
1994 2010-12-20  Ian Lance Taylor  <iant@google.com>
1995
1996         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1997         second of two consecutive entries with same offset.
1998
1999 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2000
2001         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2002         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2003         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2004         to avoid unneeded links against $(LDADD).
2005         * testsuite/Makefile.in: Regenerate.
2006
2007 2010-12-15  Ian Lance Taylor  <iant@google.com>
2008
2009         PR gold/12324
2010         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2011         for R_X86_64_32 and R_X86_64_PC32.
2012         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2013         ver_matching_def_pic.o.
2014         (ver_matching_def_pic.o): New target.
2015
2016 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2017
2018         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2019         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2020         Move definition before File_read::View member definitions.
2021         (File_read::View::~View): Initialize and hold lock before
2022         updating current_mapped_bytes.
2023
2024 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2025
2026         * dwarf_reader.cc: Remove outdated comment.
2027         * gold-threads.cc: Fix typo in error message.
2028         * archive.cc: Fix typos in comments.
2029         * archive.h: Likewise.
2030         * arm-reloc-property.cc: Likewise.
2031         * arm-reloc-property.h: Likewise.
2032         * arm-reloc.def: Likewise.
2033         * arm.cc: Likewise.
2034         * attributes.h: Likewise.
2035         * cref.cc: Likewise.
2036         * ehframe.cc: Likewise.
2037         * fileread.h: Likewise.
2038         * gold.h: Likewise.
2039         * i386.cc: Likewise.
2040         * icf.cc: Likewise.
2041         * incremental.h: Likewise.
2042         * int_encoding.cc: Likewise.
2043         * layout.h: Likewise.
2044         * main.cc: Likewise.
2045         * merge.h: Likewise.
2046         * object.cc: Likewise.
2047         * object.h: Likewise.
2048         * options.cc: Likewise.
2049         * readsyms.cc: Likewise.
2050         * reduced_debug_output.cc: Likewise.
2051         * reloc.cc: Likewise.
2052         * script-sections.cc: Likewise.
2053         * sparc.cc: Likewise.
2054         * symtab.h: Likewise.
2055         * target-reloc.h: Likewise.
2056         * target.cc: Likewise.
2057         * target.h: Likewise.
2058         * timer.cc: Likewise.
2059         * timer.h: Likewise.
2060         * x86_64.cc: Likewise.
2061
2062 2010-12-09  Cary Coutant  <ccoutant@google.com>
2063
2064         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2065         stack.
2066         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2067         parameter; change all callers.
2068         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2069         * options.h (warn_execstack): New option.
2070
2071 2010-12-07  Doug Kwan  <dougkwan@google.com>
2072
2073         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2074         like function call relocations.
2075
2076 2010-12-07  Ian Lance Taylor  <iant@google.com>
2077
2078         * archive.cc (Archive::get_elf_object_for_member): Permit
2079         punconfigured to be NULL.
2080         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2081         (Archive::include_member): Pass NULL to get_elf_object_for_member
2082         if we searched for the archive and this is the first included
2083         object.
2084
2085 2010-12-01  Ian Lance Taylor  <iant@google.com>
2086
2087         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2088         track_relocs_type_ field.
2089         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2090         Set track_relocs_type_.
2091         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2092         contents when using RELA relocs.
2093         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2094         reloc_map_.
2095         * reloc.cc (Track_relocs::next_addend): New function.
2096         * reloc.h (class Track_relocs): Declare next_addend.
2097
2098 2010-12-01  Ian Lance Taylor  <iant@google.com>
2099
2100         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2101         virtual destructor.
2102
2103 2010-12-01  Ian Lance Taylor  <iant@google.com>
2104
2105         * README: Update compilers known to work and fail.
2106
2107 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2108
2109         * configure.in: For --enable-gold, handle value `default' instead of
2110         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2111         not the default.
2112         * configure: Regenerate.
2113
2114 2010-11-18  Doug Kwan  <dougkwan@google.com>
2115
2116         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2117         and right_alignment to be zero.  Store result alignment only if it is
2118         greater than existing alignment.
2119
2120 2010-11-16  Cary Coutant  <ccoutant@google.com>
2121
2122         PR gold/12220
2123         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2124         Check for ".zdebug_line".
2125
2126 2010-11-16  Doug Kwan  <dougkwan@google.com>
2127             Cary Coutant  <ccoutant@google.com>
2128
2129         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2130         by reference; adjust all callers.
2131         * output.cc (Output_segment::set_section_addresses): Adjust references
2132         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2133         list is empty.
2134         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2135         end at page boundary.
2136
2137 2010-11-16  Cary Coutant  <ccoutant@google.com>
2138
2139         PR gold/12220
2140         * layout.cc (Layout::choose_output_section): Transform names of
2141         compressed sections even when using a script with a SECTIONS clause.
2142         (Layout::output_section_name): Remove code to transform
2143         compressed debug section names.
2144         * output.cc (Output_section::add_input_section): Use uncompressed
2145         section size when tracking input sections.
2146
2147 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2148
2149         * symtab.h (Symbol::NON_PIC_REF): Remove.
2150         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2151         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2152         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2153         (Symbol::use_plt_offset): Take a flags argument and pass it
2154         directly to needs_dynamic_reloc.  Restrict check for undefined
2155         weak symbols to function calls.
2156         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2157         (Target_arm::Scan::global): Use it.
2158         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2159         (Target_arm::Relocate::relocate): Likewise.
2160         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2161         parameter with an r_type parameter.  Use get_reference_flags
2162         to get the flags.
2163         (Target_arm::Relocate::relocate): Update accordingly.
2164         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2165         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2166         (Target_i386::Scan::global): Likewise.
2167         (Target_i386::Relocate::relocate): Likewise.
2168         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2169         parameter with an r_type parameter.  Use get_reference_flags
2170         to get the flags.
2171         (Target_i386::Relocate::relocate): Update accordingly.
2172         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2173         (Target_powerpc::Scan::global): Use it.
2174         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2175         (Target_powerpc::Relocate::relocate): Likewise.
2176         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2177         (Target_sparc::Scan::global): Use it.
2178         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2179         (Target_sparc::Relocate::relocate): Likewise.
2180         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2181         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2182         (Target_x86_64::Scan::global): Likewise.
2183         (Target_x86_64::Relocate::relocate): Likewise.
2184
2185 2010-11-08  Doug Kwan  <dougkwan@google.com>
2186             Cary Coutant  <ccoutant@google.com>
2187
2188         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2189         (Arm_exidx_merge_section::section_contents_): New data member.
2190         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2191         (Arm_input_section::~Arm_input_section): De-allocate memory.
2192         (Arm_input_section::original_contents_): New data member.       
2193         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2194         in parameters instead of calling Object::section_contents without
2195         locking.
2196         (Arm_output_section::group_section): New parameter TASK.  Pass it
2197         to callees that need locking objects.
2198         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2199         to lock EXIDX input sections.  Fix a formatting issue.  Call
2200         Arm_exidx_merged_section::build_contents to create merged section
2201         contents.
2202         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2203         to lock object of stub table owner.
2204         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2205         TEXT_SIZE to initialize data member TEXT_SIZE_.
2206         (Arm_exidx_input_section::addralign): Fix typo in comment.
2207         (Arm_exidx_input_section::text_size): New method.
2208         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2209         that require locking objects.  Lock objects before scanning for stubs
2210         and updating local symbols.
2211         (Arm_input_section<big_endian>::init): Copy contents of original
2212         input section.
2213         (Arm_input_section<big_endian>::do_write): Use saved contents of
2214         original input section instead of calling Object::section_contents
2215         without locking.
2216         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2217         size without calling Object::section_size().
2218         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2219         for size.  Allocate a buffer for merged EXIDX entries.
2220         (Arm_exidx_merged_section::build_contents): New method.
2221         (Arm_exidx_merged_section::do_write): Move merge section contents
2222         building code to Arm_exidx_merged_section::build_contetns.  Write
2223         out contetns in buffer instead of building it on the fly.
2224         (Arm_relobj::make_exidx_input_section): Also pass text section size
2225         to Arm_exidx_input_section constructor.
2226         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2227         (Arm_dynobj::do_read_symbols): Fix memory leak.
2228         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2229         * target.h: (class Task): Add forward declaration.
2230         (Target::relax): Add new parameter TASK and pass it to
2231         Target::do_relax().
2232         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2233
2234 2010-11-05  Cary Coutant  <ccoutant@google.com>
2235
2236         PR gold/10708
2237         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2238         object when reading from the file.
2239         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2240         second layout pass.
2241         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2242         when reading section contents.
2243         (get_section_contents): Likewise.
2244         (icf::find_identical_sections): Likewise.
2245         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2246         object when reading from the file.
2247         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2248         the object when doing deferred section layout.
2249
2250 2010-11-03  Nick Clifton  <nickc@redhat.com>
2251
2252         PR gold/12001
2253         * script.h (class Symbol_assignment: name): New member.  Returns
2254         the name of the symbol.
2255         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2256         Returns true if the given symbol name is on the list of
2257         assignments wating to be processed.
2258         * archive.cc (should_incldue_member): If the symbol is undefined,
2259         check to see if it is on the list of symbols pending assignment.
2260
2261 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2262
2263         * script-sections.cc (Script_sections::find_memory_region): Check
2264         for a NULL output section pointer.
2265
2266 2010-10-29  Doug Kwan  <dougkwan@google.com>
2267
2268         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2269         Output_section::add_relaxed_input_section.
2270         * output.cc (Output_section::add_relaxed_input_section): Add new
2271         arguments LAYOUT and NAME.  Set section order index.
2272         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2273         Copy section order index.
2274         * output.h (Output_section::add_relaxed_input_section): Add new
2275         arguments LAYOUT and NAME.
2276
2277 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2278
2279         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2280         NATIVE_OR_CROSS_LINKER.
2281         * testsuite/Makefile.in: Regenerate.
2282
2283 2010-10-20  Doug Kwan  <dougkwan@google.com>
2284
2285         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2286         without SHF_LINK_ORDER flags.
2287         * layout.cc (Layout::choose_output_section): Do not filter
2288         SHF_LINK_ORDER flag in a relocatable link.
2289
2290 2010-10-17  Cary Coutant  <ccoutant@google.com>
2291
2292         * output.h (Output_segment::set_section_addresses): Change function
2293         signature.  Update all callers.
2294         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2295         sections.
2296         (Output_segment::set_section_addresses): Align after last TLS
2297         section.  Add padding before last relro section instead of after.
2298
2299 2010-10-17  Doug Kwan  <dougkwan@google.com>
2300
2301         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2302         GOT output section to be writable.
2303
2304 2010-10-14  Cary Coutant  <ccoutant@google.com>
2305
2306         * debug.h (DEBUG_INCREMENTAL): New flag.
2307         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2308         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2309         mode.
2310         * incremental.cc (report_command_line): Ignore all forms of
2311         --incremental.
2312         * layout.cc (Layout::Layout): Check parameters for incremental link
2313         mode.
2314         * options.cc (General_options::parse_incremental): New function.
2315         (General_options::parse_no_incremental): New function.
2316         (General_options::parse_incremental_full): New function.
2317         (General_options::parse_incremental_update): New function.
2318         (General_options::incremental_mode_): New data member.
2319         (General_options::finalize): Check incremental_mode_.
2320         * options.h (General_options): Update help text for --incremental.
2321         Add --no-incremental, --incremental-full, --incremental-update.
2322         (General_options::Incremental_mode): New enum type.
2323         (General_options::incremental_mode): New function.
2324         (General_options::incremental_mode_): New data member.
2325         * parameters.cc (Parameters::incremental_mode_): New data member.
2326         (Parameters::set_options): Set incremental_mode_.
2327         (Parameters::set_incremental_full): New function.
2328         (Parameters::incremental): New function.
2329         (Parameters::incremental_update): New function.
2330         (set_parameters_incremental_full): New function.
2331         * parameters.h (Parameters::set_incremental_full): New function.
2332         (Parameters::incremental): New function.
2333         (Parameters::incremental_update): New function.
2334         (Parameters::incremental_mode_): New data member.
2335         (set_parameters_incremental_full): New function.
2336         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2337         incremental link mode.
2338         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2339         (Sized_relobj::do_relocate_sections): Likewise.
2340         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2341         option.
2342         * testsuite/Makefile.in: Regenerate.
2343         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2344
2345 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2346
2347         * script-sections.h (class Script_sections): Make
2348         Sections_elements typedef public.
2349         * script-sections.cc (class Sort_output_sections): Add elements_
2350         field.  Add constructor which sets it; change all callers.
2351         (Sort_output_sections::is_before): New function.
2352         (Sort_output_sections::operator()): Call is_before.
2353         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2354         conditional.
2355         * testsuite/script_test_10.sh: New test. Test script section
2356         order.
2357         * testsuite/script_test_10.t: Likewise.
2358         * testsuite/script_test_10.s: Likewise.
2359         * testsuite/Makefile.am: Wrap the cross linker tests and the
2360         common tests into NATIVE_OR_CROSS_LINKER.
2361         (check_SCRIPTS): Add script_test_10.sh.
2362         (check_DATA): Add script_test_10.stdout.
2363         (script_test_10.o, script_test_10): New targets.
2364         (script_test_10.stdout): New target.
2365         * configure, testsuite/Makefile.in: Regenerate.
2366
2367 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2368
2369         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2370         error for the deprecated relocations.
2371         (Target_arm::Scan::global): Likewise.
2372         (Target_arm::Relocate::relocate): Likewise.
2373
2374 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2375
2376         * fileread.cc (Input_file::find_file): Initialize *found_name
2377         and *namep when using the fallback search for case 4.
2378
2379 2010-10-11  Cary Coutant  <ccoutant@google.com>
2380
2381         * options.h (class General_options): Redefine -z lazy as an alias for
2382         the negation of -z now.
2383
2384 2010-10-11  Ian Lance Taylor  <iant@google.com>
2385
2386         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2387         binding.
2388
2389 2010-10-06  Nick Clifton  <nickc@redhat.com>
2390
2391         * script-sections.cc(class Memory_region): Remove
2392         current_lma_offset_ field.  Rename current_vma_offset_ to
2393         current_offset_.  Add last_section_ field.
2394         (Memory_region::get_current_vma_address): Rename to
2395         get_current_address.
2396         (Memory_region::get_current_lma_address): Delete.
2397         (Memory_region::increment_vma_offset): Rename to
2398         increment_offset.
2399         (Memory_region::increment_lma_offset): Delete.
2400         (Memory_region::attributes_compatible): New method.  Returns
2401         true if the provided section is compatible with the region.
2402         (Memory_region::get_last_section): New method.  Returns the last
2403         section to use the region.
2404         (Memory_region::set_last_section): New method.  Stores the last
2405         section to use the region.
2406         (Script_sections::block_in_region): New method.  Returns true if
2407         a block of memory is contained within a region.
2408         (Script_sections::find_memory_region): New method.  Locates a
2409         memory region to be used to set a VMA or LMA address.
2410         (Output_section_definition::set_section_addresses): Add code to
2411         check for addresses set by memory regions.
2412         (Output_segment::set_section_addresses): Remove memory region
2413         walking code.
2414         (Script_sections::create_segment): Add a warning if a header
2415         segment is created outside of any region.
2416         * script-sections.h (class Script_sections): Add prototypes for
2417         find_memory_region and block_in_region methods.
2418         * testsuite/memory_test.s: Use .long instead of .word.
2419         * testsuite/memory_test.t: Add some more output sections.
2420         * testsuite/memory_test.sh: Update expected output.
2421
2422 2010-10-02  Doug Kwan  <dougkwan@google.com>
2423
2424         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2425         defintion to symtab.h
2426         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2427         declaration to defintion.
2428
2429 2010-10-01  Nick Clifton  <nickc@redhat.com>
2430
2431         * expression.cc (eval): Replace dummy argument with NULL.
2432         (eval_maybe_dot): Check for a NULL result section pointer.
2433         (Symbol_expression::value): Likewise.
2434         (Dot_expression::value): Likewise.
2435         (BINARY_EXPRESSION): Likewise.
2436         (Max_expression::value): Likewise.
2437         (Min_expression::value): Likewise.
2438         (Absolute_expression::value): Likewise.
2439         (Addr_expression::value_from_output_section): Likewise.
2440         (Loaddddr_expression::value_from_output_section): Likewise.
2441         (Segment_start_expression::value): Likewise.
2442         * script-sections.cc
2443         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2444         argument with NULL.
2445         (Sections_elememt_dot_assignment::set_section_addresses):
2446         Likewise.
2447         (Output_data_expression::do_write_to_buffer): Likewise.
2448         (Output_section_definition::finalize_symbols): Likewise.
2449         (Output_section_definition::set_section_addresses): Likewise.
2450
2451 2010-09-30  Doug Kwan  <dougkwan@google.com>
2452
2453         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2454
2455 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2456
2457         * target.h (Target::can_icf_inline_merge_sections): New virtual
2458         function.
2459         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2460         virtual function.
2461         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2462         virtual function.
2463         * icf.cc (get_section_contents): Inline merge sections only when
2464         target allows it.
2465
2466 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2467
2468         * configure: Regenerate.
2469
2470 2010-09-17  Ian Lance Taylor  <iant@google.com>
2471
2472         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2473         * testsuite/Makefile.am (memory_test.o): New target.
2474         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2475         memory_test.t.
2476         * testsuite/Makefile.in: Rebuild.
2477
2478 2010-09-17  Doug Kwan  <dougkwan@google.com>
2479
2480         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2481         defintion if relocation uses GOT entries of the symbol.
2482         * testsuite/icf_safe_test.sh: Fix test.
2483         * testsuite/icf_safe_so_test.sh: Fix test.
2484
2485 2010-09-16  Cary Coutant  <ccoutant@google.com>
2486
2487         * script_sections.cc (class Memory_region): Remove "NULL" from
2488         vector initializations.
2489
2490 2010-09-15  Cary Coutant  <ccoutant@google.com>
2491
2492         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2493         Resolve forwarding symbols.
2494
2495 2010-09-15  Doug Kwan  <dougkwan@google.com>
2496
2497         * gold/testsuite/script_test_3.t: Add ARM special sections.
2498         * gold/testsuite/script_test_4.t: Same.
2499         * gold/testsuite/script_test_5.t: Same.
2500         * gold/testsuite/script_test_6.t: Same.
2501         * gold/testsuite/script_test_7.t: Same.
2502         * gold/testsuite/script_test_7.t: Same.
2503         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2504
2505 2010-09-14  Cary Coutant  <ccoutant@google.com>
2506
2507         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2508         (Target_x86_64::Relocate::relocate_tls): Replace check for
2509         saw_tls_block_reloc_ with test for executable section.
2510
2511 2010-09-12  Cary Coutant  <ccoutant@google.com>
2512
2513         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2514         position-independent executables to shared libraries need dynamic
2515         relocations.
2516         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2517         position-independent executables.
2518         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2519         * testsuite/Makefile.in: Regenerate.
2520
2521 2010-09-10  Nick Clifton  <nickc@redhat.com>
2522
2523         PR gold/11997
2524         * testsuite/memory_test.t: Discard any sections that are not
2525         needed.
2526
2527 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2528
2529         PR gold/11996
2530         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2531         "This::" to work around a bug in gcc 4.2.
2532
2533         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2534
2535 2010-09-09  Rafael Espindola  <espindola@google.com>
2536
2537         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2538         sections with different PF_X flags in the same segment.
2539         (Layout::find_first_load_seg): Search all segments to find the first
2540         one.
2541         * options.h (rosegment): New.
2542
2543 2010-09-08  Rafael Espindola  <espindola@google.com>
2544
2545         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2546
2547 2010-09-08  Doug Kwan  <dougkwan@google.com>
2548
2549         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2550         (Arm_relobj::do_relocate_sections): Add new parameter for output
2551         file to match the parent.
2552         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2553         of local symbols instead of input values.  Update code to track
2554         changes in gold::relocate_section.
2555         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2556         (Sized_relobj::compute_final_local_value_internal): New methods.
2557         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2558         body into private version of Sized_relobj::compute_final_local_value.
2559         Call the inline method.
2560         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2561         merged symbol value if there is one.
2562         (Symbol_value::has_output_value): New method defintiion.
2563         (Sized_relobj::Compute_final_local_value_status): New enum type.
2564         (Sized_relobj::compute_final_local_value): New methods.
2565         (Sized_relobj::compute_final_local_value_internal): New methods.
2566         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2567         and arm_cortex_a8.sh.
2568         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2569         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2570         New tests.
2571         * Makefile.in: Regenerate.
2572         * testsuite/arm_bl_out_of_range.s: Update test.
2573         * testsuite/thumb_bl_out_of_range.s: Ditto.
2574         * testsuite/thumb_blx_out_of_range.s: Ditto.
2575         * testsuite/arm_branch_out_of_range.sh: New file.
2576         * testsuite/arm_cortex_a8.sh: Ditto.
2577         * testsuite/arm_cortex_a8_b.s: Ditto.
2578         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2579         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2580         * testsuite/arm_cortex_a8_bl.s: Ditto.
2581         * testsuite/arm_cortex_a8_blx.s: Ditto.
2582         * testsuite/arm_cortex_a8_local.s: Ditto.
2583         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2584         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2585
2586 2010-09-08  Rafael Espindola  <espindola@google.com>
2587
2588         * Makefile.am (memory_test.stdout): Run readelf with -W.
2589         * Makefile.in: Regenerate.
2590         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2591         64 bit output.
2592
2593 2010-09-08  Rafael Espindola  <espindola@google.com>
2594
2595         * script-sections.cc (Script_sections::add_memory_region): Convert
2596         field precision to int.
2597         * script.cc (script_set_section_region, script_set_section_region):
2598         Convert field precision to int.
2599
2600 2010-09-08  Rafael Espindola  <espindola@google.com>
2601
2602         * arm.cc (do_finalize_sections): Create the __exidx_start and
2603         __exdix_end symbols even when the section is missing.
2604
2605 2010-09-08  Nick Clifton  <nickc@redhat.com>
2606
2607         * README: Remove claim that MEMORY is not supported.
2608         * expression.cc (script_exp_function_origin)
2609         (script_exp_function_length): Move from here to ...
2610         * script.cc: ... here.
2611         (script_set_section_region, script_add_memory)
2612         (script_parse_memory_attr, script_include_directive): New
2613         functions.
2614         * script-sections.cc
2615         (class Memory_region): New class.
2616         (class Output_section_definition): Add set_memory_region,
2617         set_section_vma, set_section_lma and get_section_name methods.
2618         (class Script_Sections): Add add_memory_region,
2619         find_memory_region, find_memory_region_origin,
2620         find_memory_region_length and set_memory_region methods.
2621         Have set_section_addresses method walk the list of set memory
2622         regions.
2623         Extend the print methos to display memory regions.
2624         * script-sections.h: Add prototypes for new methods.
2625         Add enum for MEMORY region attributes.
2626         * yyscript.y: Add support for parsing MEMORY regions.
2627         * script-c.h: Add prototypes for new functions.
2628         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2629         * testsuite/Makefile.in: Regenerate.
2630         * testsuite/memory_test.sh: New script.
2631         * testsuite/memory_test.s: New assembler source file.
2632         * testsuite/memory_test.t: New linker script.
2633
2634 2010-08-27  Doug Kwan  <dougkwan@google.com>
2635
2636         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2637         reference override an existing dynamic weak reference.
2638         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2639         * testsuite/Makefile.in: Regenerate.
2640         * testsuite/dyn_weak_ref.sh: New file.
2641         * testsuite/dyn_weak_ref_1.c: Ditto.
2642         * testsuite/dyn_weak_ref_2.c: Ditto.
2643
2644 2010-08-27  Ian Lance Taylor  <iant@google.com>
2645
2646         * incremental.h (class Incremental_input_entry): Add virtual
2647         destructor.
2648
2649 2010-08-27  Ian Lance Taylor  <iant@google.com>
2650
2651         * testsuite/start_lib_test_3.c: Mark t3 as used.
2652
2653 2010-08-27  Nick Clifton  <nickc@redhat.com>
2654
2655         * options.cc (version_script): Fix small typo in previous
2656         whitespace tidyup.
2657
2658 2010-08-25  Nick Clifton  <nickc@redhat.com>
2659
2660         * archive.cc: Formatting fixes: Remove whitespace between
2661         typename and following asterisk.  Remove whitespace between
2662         function name and opening parenthesis.
2663         * archive.h: Likewise.
2664         * arm.cc: Likewise.
2665         * attributes.cc: Likewise.
2666         * attributes.h: Likewise.
2667         * common.cc: Likewise.
2668         * copy-relocs.cc: Likewise.
2669         * dirsearch.h: Likewise.
2670         * dynobj.cc: Likewise.
2671         * ehframe.cc: Likewise.
2672         * ehframe.h: Likewise.
2673         * expression.cc: Likewise.
2674         * fileread.cc: Likewise.
2675         * fileread.h: Likewise.
2676         * gc.h: Likewise.
2677         * gold-threads.cc: Likewise.
2678         * gold.cc: Likewise.
2679         * i386.cc: Likewise.
2680         * icf.h: Likewise.
2681         * incremental-dump.cc: Likewise.
2682         * incremental.cc: Likewise.
2683         * layout.cc: Likewise.
2684         * layout.h: Likewise.
2685         * main.cc: Likewise.
2686         * merge.cc: Likewise.
2687         * merge.h: Likewise.
2688         * object.cc: Likewise.
2689         * object.h: Likewise.
2690         * options.cc: Likewise.
2691         * options.h: Likewise.
2692         * output.cc: Likewise.
2693         * output.h: Likewise.
2694         * plugin.cc: Likewise.
2695         * plugin.h: Likewise.
2696         * powerpc.cc: Likewise.
2697         * reloc.cc: Likewise.
2698         * script-c.h: Likewise.
2699         * script-sections.cc: Likewise.
2700         * script.cc: Likewise.
2701         * stringpool.cc: Likewise.
2702         * symtab.cc: Likewise.
2703         * symtab.h: Likewise.
2704         * target.cc: Likewise.
2705         * timer.cc: Likewise.
2706         * timer.h: Likewise.
2707         * version.cc: Likewise.
2708         * x86_64.cc: Likewise.
2709
2710 2010-08-24  Nick Clifton  <nickc@redhat.com>
2711
2712         PR 11899
2713         * layout.cc (segment_precedes): Sort segments by their physical
2714         addresses, if they have been set.
2715
2716 2010-08-23  Cary Coutant  <ccoutant@google.com>
2717
2718         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2719         symbols data.
2720         (Lib_group::include_member): Unlock object after deleting its
2721         symbols data.
2722         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2723         the bug fixed here.
2724
2725 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2726             Cary Coutant  <ccoutant@google.com>
2727
2728         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2729         constructor, and set_blocker.
2730         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2731         readsyms_blocker_.
2732         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2733         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2734         * testsuite/Makefile.am (start_lib_test): New test case.
2735         * testsuite/Makefile.in: Regenerate.
2736         * testsuite/start_lib_test_main.c: New file.
2737         * testsuite/start_lib_test_1.c: New file.
2738         * testsuite/start_lib_test_2.c: New file.
2739         * testsuite/start_lib_test_3.c: New file.
2740
2741 2010-08-19  Ian Lance Taylor  <iant@google.com>
2742
2743         * Makefile.in: Rebuild with automake 1.11.1.
2744         * aclocal.m4: Likewise.
2745         * testsuite/Makefile.in: Likewise.
2746
2747 2010-08-19  Ian Lance Taylor  <iant@google.com>
2748
2749         PR 10893
2750         * i386.cc (class Output_data_plt_i386): Update declarations.
2751         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2752         local_ifuncs_ fields.
2753         (Target_i386::do_plt_section_for_global): New function.
2754         (Target_i386::do_plt_section_for_local): New function.
2755         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2756         parameter; change all callers.  Initialize global_ifuncs_ and
2757         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2758         __rel_iplt_end.
2759         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2760         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2761         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2762         symbols.
2763         (Target_i386::make_plt_section): New function, broken out of
2764         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2765         (Target_i386::make_plt_entry): Call make_plt_section.
2766         (Target_i386::make_local_ifunc_plt_entry): New function.
2767         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2768         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2769         R_386_IRELATIVE to switch.
2770         (Target_i386::Scan::global): Likewise.
2771         (Target_i386::Relocate::relocate): Likewise.
2772         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2773         switch.
2774         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2775         (Target_x86_64::do_plt_section_for_global): New function.
2776         (Target_x86_64::do_plt_section_for_local): New function.
2777         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2778         parameter; change all callers.  If doing a static link define
2779         __rela_iplt_start and __rela_iplt_end.
2780         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2781         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2782         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2783         to point to .plt.
2784         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2785         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2786         switch.
2787         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2788         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2789         R_X86_64_IRELATIVE to switch.
2790         (Target_x86_64::Scan::global): Likewise.
2791         (Target_x86_64::Relocate::relocate): Likewise.
2792         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2793         switch.
2794         * target.h (class Target): Add plt_section_for_global and
2795         plt_section_for_local functions.  Add do_plt_section_for_global
2796         and do_plt_section_for_local virtual functions.
2797         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2798         clarifying comments.
2799         (Symbol::use_plt_offset): Handle IFUNC symbol.
2800         * object.cc (Sized_relobj::Sized_relobj): Initialize
2801         local_plt_offsets_.
2802         (Sized_relobj::local_has_plt_offset): New function.
2803         (Sized_relobj::local_plt_offset): New function.
2804         (Sized_relobj::set_local_plt_offset): New function.
2805         (Sized_relobj::do_count): Handle IFUNC symbol.
2806         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2807         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2808         is_ifunc_symbol functions.
2809         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2810         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2811         local_plt_offsets_ field.
2812         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2813         * output.h (class Output_section_data): Add non-const
2814         output_section function.
2815         (class Output_data_got): Update declarations.
2816         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2817         Add use_plt_offset parameter to global and local constructors.
2818         Change all callers.  Change local_sym_index_ field to 31 bits.
2819         Change GSYM_CODE and CONSTANT_CODE accordingly.
2820         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2821         doing a static link don't set sh_link field.
2822         (Output_data_got::Got_entry::write): Use PLT offset if
2823         appropriate.
2824         (Output_data_got::add_global_plt): New function.
2825         (Output_data_got::add_local_plt): New function.
2826         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2827         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2828         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2829         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2830         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2831         IFUNC conditional.
2832         * testsuite/ifunc-sel.h: New file.
2833         * testsuite/ifuncmain1.c: New file.
2834         * testsuite/ifuncmain1vis.c: New file.
2835         * testsuite/ifuncmod1.c: New file.
2836         * testsuite/ifuncdep2.c: New file.
2837         * testsuite/ifuncmain2.c: New file.
2838         * testsuite/ifuncmain3.c: New file.
2839         * testsuite/ifuncmod3.c: New file.
2840         * testsuite/ifuncmain4.c: New file.
2841         * testsuite/ifuncmain5.c: New file.
2842         * testsuite/ifuncmod5.c: New file.
2843         * testsuite/ifuncmain6pie.c: New file.
2844         * testsuite/ifuncmod6.c: New file.
2845         * testsuite/ifuncmain7.c: New file.
2846         * configure, testsuite/Makefile.in: Rebuild.
2847
2848 2010-08-18  Ian Lance Taylor  <iant@google.com>
2849
2850         * incremental.cc
2851         (Output_section_incremental_inputs::write_input_files): Add cast
2852         to avoid signed/unsigned comparison warning.
2853         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2854
2855 2010-08-12  Cary Coutant  <ccoutant@google.com>
2856
2857         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2858
2859 2010-08-13  Ian Lance Taylor  <iant@google.com>
2860
2861         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2862
2863 2010-08-12  Cary Coutant  <ccoutant@google.com>
2864             Doug Kwan  <dougkwan@google.com>
2865
2866         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2867         defintion overrides non-weak undef, remember that the original undef
2868         is not weak.
2869         * symtab.cc (Symbol_table::sized_write_global): For undef without
2870         an original weak binding, set binding to global in output.
2871         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2872         * testsuite/Makefile.in: Regenerate.
2873         * testsuite/strong_ref_weak_def.sh: New file.
2874         * testsuite/strong_ref_weak_def_1.c: Ditto.
2875         * testsuite/strong_ref_weak_def_2.c: Ditto.
2876
2877 2010-08-12  Cary Coutant  <ccoutant@google.com>
2878
2879         * testsuite/incremental_test.sh: Rewrite.
2880         * testsuite/incremental_test_1.c: Rewrite.
2881         * testsuite/incremental_test_2.c: Rewrite.
2882
2883 2010-08-12  Cary Coutant  <ccoutant@google.com>
2884
2885         * arm.cc (Target_arm::got_size): Add const.
2886         (Target_arm::got_entry_count): New function.
2887         (Target_arm::plt_entry_count): New function.
2888         (Target_arm::first_plt_entry_offset): New function.
2889         (Target_arm::plt_entry_size): New function.
2890         (Output_data_plt_arm::entry_count): New function.
2891         (Output_data_plt_arm::first_plt_entry_offset): New function.
2892         (Output_data_plt_arm::get_plt_entry_size): New function.
2893         * i386.cc (Target_i386::got_size): Add const.
2894         (Target_i386::got_entry_count): New function.
2895         (Target_i386::plt_entry_count): New function.
2896         (Target_i386::first_plt_entry_offset): New function.
2897         (Target_i386::plt_entry_size): New function.
2898         (Output_data_plt_i386::entry_count): New function.
2899         (Output_data_plt_i386::first_plt_entry_offset): New function.
2900         (Output_data_plt_i386::get_plt_entry_size): New function.
2901         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2902         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2903         * incremental.cc: Include target.h.
2904         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2905         parameter.  Adjust all callers.  Find incremental_got_plt section.
2906         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2907         section.
2908         (Output_section_incremental_inputs::set_final_data_size): Calculate
2909         size of incremental_got_plt section.
2910         (Output_section_incremental_inputs::do_write): Write the
2911         incremental_got_plt section.
2912         (Got_plt_view_info): New struct.
2913         (Local_got_offset_visitor): New class.
2914         (Global_got_offset_visitor): New class.
2915         (Global_symbol_visitor_got_plt): New class.
2916         (Output_section_incremental_inputs::write_got_plt): New function.
2917         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2918         Add parameter.  Adjust all callers.
2919         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2920         (Incremental_inputs::got_plt_section): New function.
2921         (Incremental_inputs::got_plt_section_): New data member.
2922         (Incremental_got_plt_reader): New class.
2923         * layout.cc (Layout::create_incremental_info_sections): Add the
2924         incremental_got_plt section.
2925         * object.h (Got_offset_list::get_list): New function.
2926         (Got offset_list::for_all_got_offsets): New function.
2927         (Sized_relobj::local_got_offset_list): New function.
2928         * powerpc.cc (Target_powerpc::got_size): Add const.
2929         (Target_powerpc::got_entry_count): New function.
2930         (Target_powerpc::plt_entry_count): New function.
2931         (Target_powerpc::first_plt_entry_offset): New function.
2932         (Target_powerpc::plt_entry_size): New function.
2933         (Output_data_plt_powerpc::entry_count): New function.
2934         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2935         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2936         * sparc.cc (Target_sparc::got_size): Add const.
2937         (Target_sparc::got_entry_count): New function.
2938         (Target_sparc::plt_entry_count): New function.
2939         (Target_sparc::first_plt_entry_offset): New function.
2940         (Target_sparc::plt_entry_size): New function.
2941         (Output_data_plt_sparc::entry_count): New function.
2942         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2943         (Output_data_plt_sparc::get_plt_entry_size): New function.
2944         * symtab.h (Symbol::got_offset_list): New function.
2945         (Symbol_table::for_all_symbols): New function.
2946         * target.h (Sized_target::got_entry_count): New function.
2947         (Sized_target::plt_entry_count): New function.
2948         (Sized_target::plt_entry_size): New function.
2949         * x86_64.cc (Target_x86_64::got_size): Add const.
2950         (Target_x86_64::got_entry_count): New function.
2951         (Target_x86_64::plt_entry_count): New function.
2952         (Target_x86_64::first_plt_entry_offset): New function.
2953         (Target_x86_64::plt_entry_size): New function.
2954         (Output_data_plt_x86_64::entry_count): New function.
2955         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2956         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2957
2958 2010-08-12  Cary Coutant  <ccoutant@google.com>
2959
2960         * archive.cc: Include incremental.h.
2961         (Archive::Archive): Initialize incremental_info_.
2962         (Archive::include_member): Record archive members in incremental info.
2963         (Add_archive_symbols::run): Record begin and end of an archive in
2964         incremental info.
2965         (Lib_group::include_member): Record objects in incremental info.
2966         * archive.h (Incremental_archive_entry): Forward declaration.
2967         (Archive::set_incremental_info): New member function.
2968         (Archive::incremental_info): New member function.
2969         (Archive::Unused_symbol_iterator): New class.
2970         (Archive::unused_symbols_begin): New member function.
2971         (Archive::unused_symbols_end): New member function.
2972         (Archive::incremental_info_): New data member.
2973         * incremental-dump.cc (find_input_containing_global): New function.
2974         (dump_incremental_inputs): Dump new incremental info sections.
2975         * incremental.cc: Include symtab.h.
2976         (Output_section_incremental_inputs): New class.
2977         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2978         new incremental info sections.
2979         (Sized_incremental_binary::do_check_inputs): Likewise.
2980         (Incremental_inputs::report_archive): Remove.
2981         (Incremental_inputs::report_archive_begin): New function.
2982         (Incremental_inputs::report_archive_end): New function.
2983         (Incremental_inputs::report_object): New function.
2984         (Incremental_inputs::finalize_inputs): Remove.
2985         (Incremental_inputs::report_input_section): New function.
2986         (Incremental_inputs::report_script): Rewrite.
2987         (Incremental_inputs::finalize): Do nothing but finalize string table.
2988         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2989         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2990         (Incremental_inputs::create_data_sections): New function.
2991         (Incremental_inputs::relocs_entsize): New function.
2992         (Output_section_incremental_inputs::set_final_data_size): New function.
2993         (Output_section_incremental_inputs::do_write): New function.
2994         (Output_section_incremental_inputs::write_header): New function.
2995         (Output_section_incremental_inputs::write_input_files): New function.
2996         (Output_section_incremental_inputs::write_info_blocks): New function.
2997         (Output_section_incremental_inputs::write_symtab): New function.
2998         * incremental.h (Incremental_script_entry): Forward declaration.
2999         (Incremental_object_entry): Forward declaration.
3000         (Incremental_archive_entry): Forward declaration.
3001         (Incremental_inputs): Forward declaration.
3002         (Incremental_inputs_header_data): Remove.
3003         (Incremental_inputs_header): Remove.
3004         (Incremental_inputs_header_write): Remove.
3005         (Incremental_inputs_entry_data): Remove.
3006         (Incremental_inputs_entry): Remove.
3007         (Incremental_inputs_entry_write): Remove.
3008         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3009         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3010         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3011         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3012         Likewise.
3013         (Incremental_input_entry): New class.
3014         (Incremental_script_entry): New class.
3015         (Incremental_object_entry): New class.
3016         (Incremental_archive_entry): New class.
3017         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3018         (Incremental_inputs::report_inputs): Remove.
3019         (Incremental_inputs::report_archive): Remove.
3020         (Incremental_inputs::report_archive_begin): New function.
3021         (Incremental_inputs::report_archive_end): New function.
3022         (Incremental_inputs::report_object): Change prototype.
3023         (Incremental_inputs::report_input_section): New function.
3024         (Incremental_inputs::report_script): Change prototype.
3025         (Incremental_inputs::get_reloc_count): New function.
3026         (Incremental_inputs::set_reloc_count): New function.
3027         (Incremental_inputs::create_data_sections): New function.
3028         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3029         (Incremental_inputs::inputs_section): New function.
3030         (Incremental_inputs::symtab_section): New function.
3031         (Incremental_inputs::relocs_section): New function.
3032         (Incremental_inputs::get_stringpool): Add const.
3033         (Incremental_inputs::command_line): Add const.
3034         (Incremental_inputs::inputs): Remove.
3035         (Incremental_inputs::command_line_key): New function.
3036         (Incremental_inputs::input_file_count): New function.
3037         (Incremental_inputs::input_files): New function.
3038         (Incremental_inputs::relocs_entsize): New function.
3039         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3040         (Incremental_inputs::finalize_inputs): Remove.
3041         (Incremental_inputs::Input_info): Remove.
3042         (Incremental_inputs::lock_): Remove.
3043         (Incremental_inputs::inputs_): Change type.
3044         (Incremental_inputs::inputs_map_): Remove.
3045         (Incremental_inputs::current_object_entry_): New data member.
3046         (Incremental_inputs::inputs_section_): New data member.
3047         (Incremental_inputs::symtab_section_): New data member.
3048         (Incremental_inputs::relocs_section_): New data member.
3049         (Incremental_inputs::reloc_count_): New data member.
3050         (Incremental_inputs_reader): New class.
3051         (Incremental_symtab_reader): New class.
3052         (Incremental_relocs_reader): New class.
3053         * layout.cc (Layout::finalize): Move finalization of incremental info
3054         and creation of incremental info sections to follow finalization of
3055         symbol table.  Set offsets for postprocessing sections.
3056         (Layout::create_incremental_info_sections): Call
3057         Incremental_inputs::create_data_sections.  Add incremental symtab
3058         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3059         sections to layout after input sections.
3060         * layout.h (struct Timespec): Forward declaration.
3061         (Layout::incremental_inputs): Add const.
3062         (Layout::create_incremental_info_sections): Add parameter.
3063         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3064         * object.cc: Include incremental.h.
3065         (Relobj::finalize_incremental_relocs): New function.
3066         (Sized_relobj::do_layout): Record input sections in incremental info.
3067         * object.h (Object::output_section): New function.
3068         (Object::output_section_offset): Moved from Relobj.
3069         (Object::get_incremental_reloc_base): New function.
3070         (Object::get_incremental_reloc_count): New function.
3071         (Object::do_output_section): New function.
3072         (Object::do_output_section_offset): Moved from Relobj.
3073         (Object::do_get_incremental_reloc_base): New function.
3074         (Object::do_get_incremental_reloc_count): New function.
3075         (Object::Object): Initialize new data members.
3076         (Relobj::output_section): Renamed do_output_section and moved to
3077         protected.
3078         (Relobj::output_section_offset): Moved to Object.
3079         (Relobj::do_get_incremental_reloc_base): New function.
3080         (Relobj::do_get_incremental_reloc_count): New function.
3081         (Relobj::allocate_incremental_reloc_counts): New function.
3082         (Relobj::count_incremental_reloc): New function.
3083         (Relobj::finalize_incremental_relocs): New function.
3084         (Relobj::next_incremental_reloc_index): New function.
3085         (Relobj::reloc_counts_): New data member.
3086         (Relobj::reloc_bases_): New data member.
3087         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3088         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3089         (Sized_relobj::incremental_relocs_scan): New function.
3090         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3091         (Sized_relobj::incremental_relocs_write): New function.
3092         (Sized_relobj::incremental_relocs_write_reltype): New function.
3093         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3094         incremental link.
3095         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3096         archives and object files elsewhere.
3097         (Add_symbols::run): Report object files here.
3098         (Finish_group::run): Report end of archive at end of group.
3099         * reloc.cc: Include layout.h, incremental.h.
3100         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3101         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3102         (Sized_relobj::incremental_relocs_scan): New function.
3103         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3104         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3105         (Sized_relobj::incremental_relocs_write): New function.
3106         (Sized_relobj::incremental_relocs_write_reltype): New function.
3107         * script.cc (read_input_script): Rewrite test for incremental link.
3108         Change call to Incremental_inputs::report_script.
3109         * symtab.h (Symbol_table::first_global_index): New function.
3110         (Symbol_table::output_count): New function.
3111
3112 2010-08-12  Doug Kwan  <dougkwan@google.com>
3113
3114         * arm.cc (Target_arm::merge_object_attributes): Check command line
3115         options --no-wchar-size-warning and --no-enum-size-warning.
3116         * options.h (General_options): Add ld-compatible options
3117         --no-enum-size-warning and --no-wchar-size-warning.
3118
3119 2010-08-04  Ian Lance Taylor  <iant@google.com>
3120
3121         * x86_64.cc (Target_x86_64::Scan::local): Use
3122         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3123         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3124         (Target_x86_64::Scan::global): Likewise.
3125         (Target_x86_64::Relocate::relocate): Likewise.
3126         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3127         Likewise.
3128
3129 2010-08-03  Cary Coutant  <ccoutant@google.com>
3130
3131         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3132         to reserve space in merged_strings vector. Keep total input size
3133         for stats.
3134         (Output_merge_string::do_print_merge_stats): Print total input size.
3135         * merge.h (Output_merge_string): Add input_size_ field.
3136         * stringpool.cc (Stringpool_template::string_length): Move
3137         implementations out of Stringpool_template class and place in
3138         stringpool.h.
3139         * stringpool.h (string_length): Move out of Stringpool_template.
3140
3141 2010-08-03  Ian Lance Taylor  <iant@google.com>
3142
3143         PR 11712
3144         * layout.cc (relaxation_loop_body): If address of load segment is
3145         set, adjust address to include headers if possible.
3146
3147 2010-08-03  Ian Lance Taylor  <iant@google.com>
3148
3149         * version.cc (version_string): Bump to 1.10.
3150
3151 2010-08-03  Ian Lance Taylor  <iant@google.com>
3152
3153         PR 11805
3154         * layout.h (enum Output_section_order): Define.
3155         (class Layout): Update declarations.
3156         * layout.cc (Layout::get_output_section): Add order parameter.
3157         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3158         is_first_non_relro parameters.  Change all callers.
3159         (Layout::choose_output_section): Likewise.
3160         (Layout::add_output_section_data): Likewise.
3161         (Layout::make_output_section): Likewise.  Set order.
3162         (Layout::default_section_order): New function.
3163         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3164         * output.cc (Output_section::Output_section): Initialize order_.
3165         Don't initialize deleted fields.
3166         (Output_segment::Output_segment): Don't initialize deleted
3167         fields.
3168         (Output_segment::add_output_section_to_load): New function
3169         replacing add_output_section.  Change all callers to call this or
3170         add_output_section_to_nonload.
3171         (Output_segment::add_output_section_to_nonload): New function.
3172         (Output_segment::remove_output_section): Rewrite.
3173         (Output_segment::add_initial_output_data): Likewise.
3174         (Output_segment::has_any_data_sections): Likewise.
3175         (Output_segment::is_first_section_relro): Likewise.
3176         (Output_segment::maximum_alignment): Likewise.
3177         (Output_segment::has_dynamic_reloc): New function replacing
3178         dynamic_reloc_count.  Change all callers.
3179         (Output_segment::has_dynamic_reloc_list): New function replacing
3180         dynamic_reloc_count_list.  Change all callers.
3181         (Output_segment::set_section_addresses): Rewrite.
3182         (Output_segment::set_offset): Rewrite.
3183         (Output_segment::find_first_and_last_list): Remove.
3184         (Output_segment::set_tls_offsets): Rewrite.
3185         (Output_segment::first_section_load_address): Likewise.
3186         (Output_segment::output_section_count): Likewise.
3187         (Output_segment::section_with_lowest_load_address): Likewise.
3188         (Output_segment::write_section_headers): Likewise.
3189         (Output_segment::print_sections_to_map): Likewise.
3190         * output.h (class Output_data): Remove dynamic_reloc_count_
3191         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3192         (Output_data::add_dynamic_reloc): Rewrite.
3193         (Output_data::has_dynamic_reloc): New function.
3194         (Output_data::dynamic_reloc_count): Remove.
3195         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3196         is_last_relro_, is_first_non_relro_, is_interp_,
3197         is_dynamic_linker_section_ fields.  Add order and set_order
3198         functions.  Remove is_relro_local, set_is_relro_local,
3199         is_last_relro, set_is_last_relro, is_first_non_relro,
3200         set_is_first_non_relro functions, is_interp, set_is_interp,
3201         is_dynamic_linker_section, and set_is_dynamic_linker_section
3202         functions.
3203         (class Output_segment): Change Output_data_list from std::list to
3204         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3205         output_bss_ fields.  Update declarations.
3206
3207 2010-08-02  Ian Lance Taylor  <iant@google.com>
3208
3209         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3210         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3211         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3212
3213 2010-08-02  Ian Lance Taylor  <iant@google.com>
3214
3215         PR 11855
3216         * script.cc (Script_options::Script_options): Initialize
3217         symbol_definitions_ and symbol_references_.
3218         (Script_options::add_symbol_assignment): Update
3219         symbol_definitions_ and symbol_references_.
3220         (Script_options::add_symbol_reference): New function.
3221         (script_symbol): New function.
3222         * script.h (class Script_options): Add symbol_definitions_ and
3223         symbol_references_ fields.
3224         (Script_options::referenced_const_iterator): New type.
3225         (Script_options::referenced_begin): New function.
3226         (Script_options::referenced_end): New function.
3227         (Script_options::is_referenced): New function.
3228         (Script_options::any_unreferenced): New function.
3229         * script-c.h (script_symbol): Declare.
3230         * yyscript.y (exp): Call script_symbol.
3231         * symtab.cc: Include "script.h".
3232         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3233         Change all callers.  Check symbols referenced by scripts.
3234         (Symbol_table::add_undefined_symbols_from_command_line): Add
3235         layout parameter.  Change all callers.
3236         (Symbol_table::do_add_undefined_symbols_from_command_line):
3237         Likewise.  Break out loop body.  Check symbols referenced by
3238         scripts.
3239         (Symbol_table::add_undefined_symbol_from_command_line): New
3240         function broken out of
3241         do_add_undefined_symbols_from_command_line.
3242         * symtab.h (class Symbol_table): Update declarations.
3243         * archive.cc: Include "layout.h".
3244         (Archive::should_include_member): Add layout parameter.  Change
3245         all callers.  Check for symbol mentioned in expression.
3246         * archive.h (class Archive): Update declaration.
3247         * object.cc (Sized_relobj::do_should_include_member): Add layout
3248         parameter.
3249         * object.h (Object::should_include_member): Add layout parameter.
3250         Change all callers.
3251         (Object::do_should_include_member): Add layout parameter.
3252         (class Sized_relobj): Update declaration.
3253         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3254         parameter.
3255         * dynobj.h (class Sized_dynobj): Update declaration.
3256         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3257         layout parameter.
3258         * plugin.h (class Sized_pluginobj): Update declaration.
3259
3260 2010-08-02  Ian Lance Taylor  <iant@google.com>
3261
3262         PR 11866
3263         * output.cc (Output_segment::set_offset): Search for the first and
3264         last sections rather than assuming that the list is in order.
3265         (Output_segment::find_first_and_last_list): New function.
3266         * output.h (class Output_segment): Update declarations.
3267         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3268         (relro_strip_test_SOURCES): New variable.
3269         (relro_strip_test_DEPENDENCIES): New variable.
3270         (relro_strip_test_LDFLAGS): New variable.
3271         (relro_strip_test_LDADD): New variable.
3272         (relro_strip_test.so): New target.
3273
3274 2010-08-02  Ian Lance Taylor  <iant@google.com>
3275
3276         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3277         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3278         (Target_i386::got_tlsdesc_section): New function.
3279         (Target_i386::got_section): Create space for GOT entries for
3280         TLSDESC relocations.
3281         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3282         R_386_TLS_GOTDESC.
3283         (Target_i386::Scan::global): Likewise.
3284         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3285         using TLSDESC GOT.
3286         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3287         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3288         (Target_x86_64::got_tlsdesc_section): New function.
3289         (Target_x86_64::got_section): Create space for GOT entries for
3290         TLSDESC relocations.
3291         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3292         R_386_TLS_GOTDESC.
3293         (Target_x86_64::Scan::global): Likewise.
3294         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3295         using TLSDESC GOT.
3296
3297 2010-08-02  Ian Lance Taylor  <iant@google.com>
3298
3299         * testsuite/final_layout.sh: Use dc to convert from hex to
3300         decimal.
3301
3302 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3303
3304         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3305         paramter to the call to gold::gc_process_relocs.
3306         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3307         paramter to the call to gold::gc_process_relocs.
3308         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3309         parameter to the call to gold::gc_process_relocs.
3310         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3311         template parameter to the call to gold::gc_process_relocs.
3312         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3313         paramter to the call to gold::gc_process_relocs.
3314         * gc.h (get_embedded_addend_size): New function.
3315         (gc_process_relocs): Save the size of the reloc for use by ICF.
3316         * icf.cc (get_section_contents): Get the addend from the text section
3317         for SHT_REL relocation sections.
3318         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3319         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3320         * int_encoding.h (read_from_pointer): New overloaded function.
3321         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3322         * testsuite/icf_sht_rel_addend_test.sh: New file.
3323         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3324         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3325
3326 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3327
3328         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3329         * Makefile.in: Regenerate.
3330         * testsuite/Makefile.in: Regenerate.
3331
3332 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3333
3334         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3335         * gold/testsuite/debug_msg.cc: Likewise.
3336         * gold/testsuite/odr_violation1.cc
3337         * gold/testsuite/odr_violation2.cc
3338
3339 2010-07-21  Cary Coutant  <ccoutant@google.com>
3340
3341         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3342         string, and length fields.
3343         (Output_merge_string::Merged_strings_list): New type.
3344         (Output_merge_string::Merged_strings_lists): New typedef.
3345         (Output_merge_string): Replace merged_strings_ with
3346         merged_strings_lists_.
3347         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3348         Merged_strings_list per input object and section.  Don't store pointer
3349         to the string.  Don't store length with each merged string entry.
3350         (Output_merge_string::finalize_merged_data): Loop over list of merged
3351         strings lists.  Recompute length of each merged string.
3352
3353 2010-07-15  Cary Coutant  <ccoutant@google.com>
3354
3355         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3356         here.
3357
3358 2010-07-14  Ian Lance Taylor  <iant@google.com>
3359
3360         * descriptors.cc (Descriptors::open): Report correct name in error
3361         message.
3362
3363 2010-07-13  Doug Kwan  <dougkwan@google.com>
3364
3365         * arm.cc (Arm_input_section::Arm_input_section): For a
3366         SHT_ARM_EXIDX section, always keeps the input sections.
3367         (Arm_input_section::set_exidx_section_link): New method.
3368         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3369         has_errors_ to false.
3370         (Arm_exidx_input_section::has_errors,
3371         Arm_exidx_input_section::set_has_errors): New methods.
3372         (Arm_exidx_input_section::has_errors_): New data member.
3373         (Arm_relobj::get_exidx_shndx_list): New method.
3374         (Arm_output_section::append_text_sections_to_list): Do not skip
3375         section without SHF_EXECINSTR.
3376         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3377         errors.
3378         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3379         section header.  Make error messages more verbose.  Check for
3380         a non-executable section linked to an EXIDX section.
3381         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3382         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3383         check that there is no deferred EXIDX section if we exit early.
3384         Instead of not making an EXIDX section in case of an error, make one
3385         and set the has_errors flag of it.
3386         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3387         in a relocatable link.
3388         (Target_arm::do_relax): Look for the EXIDX output section instead of
3389         assuming that it is called .ARM.exidx.
3390         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3391         section list.  Do not check for SHF_EXECINSTR section flags but
3392         skip any input section with errors.
3393         * output.cc (Output_section::Output_section): Initialize
3394         always_keeps_input_sections_ to false.
3395         (Output_section::add_input_section): Check for
3396         always_keeps_input_sections_.
3397         *  output.h (Output_section::always_keeps_input_sections,
3398         Output_section::set_always_keeps_input_sections): New methods.
3399         (Output_section::always_keeps_input_sections): New data member.
3400
3401 2010-07-13  Rafael Espindola  <espindola@google.com>
3402
3403         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3404         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3405
3406 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3407             Ian Lance Taylor  <iant@google.com>
3408
3409         * output.h (Output_section_lookup_maps::add_merge_section):
3410         Correct check of whether value was inserted.
3411         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3412         (Output_section_lookup_maps::add_relaxed_input_section):
3413         Likewise.
3414         * arm.cc (Target_arm::got_section): Remove used local os.
3415         * i386.cc (Target_i386::got_section): Likewise.
3416         * x86_64.cc (Target_x86_64::got_section): Likewise.
3417         * sparc.cc (Target_sparc::got_section): Likewise.
3418         (Target_sparc::relocate): Remove unused local have_got_offset.
3419         * powerpc.cc (Target_powerpc::relocate): Likewise.
3420
3421 2010-07-13  Ian Lance Taylor  <iant@google.com>
3422
3423         * compressed_output.cc (zlib_decompress): Fix signature in
3424         !HAVE_ZLIB_H case.
3425
3426         * archive.cc (Archive::include_member): Unlock an external member
3427         of a thin archive.  Don't bother to delete an object we know is
3428         NULL.
3429
3430 2010-07-12  Cary Coutant  <ccoutant@google.com>
3431
3432         * compressed_output.cc (zlib_decompress): New function.
3433         (get_uncompressed_size): New function.
3434         (decompress_input_section): New function.
3435         * compressed_output.h (get_uncompressed_size): New function.
3436         (decompress_input_section): New function.
3437         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3438         Handle compressed debug sections.
3439         * layout.cc (is_compressed_debug_section): New function.
3440         (Layout::output_section_name): Map compressed section names to
3441         canonical names.
3442         * layout.h (is_compressed_debug_section): New function.
3443         (is_debug_info_section): Recognize compressed debug sections.
3444         * merge.cc: Include compressed_output.h.
3445         (Output_merge_data::do_add_input_section): Handle compressed
3446         debug sections.
3447         (Output_merge_string::do_add_input_section): Handle compressed
3448         debug sections.
3449         * object.cc: Include compressed_output.h.
3450         (Sized_relobj::Sized_relobj): Initialize new data members.
3451         (build_compressed_section_map): New function.
3452         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3453         * object.h (Object::section_is_compressed): New method.
3454         (Object::do_section_is_compressed): New method.
3455         (Sized_relobj::Compressed_section_map): New type.
3456         (Sized_relobj::do_section_is_compressed): New method.
3457         (Sized_relobj::compressed_sections_): New data member.
3458         * output.cc (Output_section::add_input_section): Handle compressed
3459         debug sections.
3460         * reloc.cc: Include compressed_output.h.
3461         (Sized_relobj::write_sections): Handle compressed debug sections.
3462
3463 2010-07-08  Cary Coutant  <ccoutant@google.com>
3464
3465         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3466         weak when resolving to a dynamic def.
3467         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3468         for weak undef/dynamic def cases. Adjust callers.
3469         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3470         undef_binding_weak_.
3471         (Symbol_table::sized_write_globals): Adjust symbol binding.
3472         (Symbol_table::sized_write_symbol): Add binding parameter.
3473         * symtab.h (Symbol::set_undef_binding): New method.
3474         (Symbol::is_undef_binding_weak): New method.
3475         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3476         (Symbol_table::should_override): Add new parameter.
3477         (Symbol_table::sized_write_symbol): Add new parameter.
3478
3479         * testsuite/weak_undef_file1.cc: Add new test case.
3480         * testsuite/weak_undef_file2.cc: Fix header comment.
3481         * testsuite/weak_undef_test.cc: Add new test case.
3482
3483 2010-06-29  Doug Kwan  <dougkwan@google.com>
3484
3485         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3486         Initialize USE_SYMBOL_.
3487         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3488         definition.
3489         (Arm_reloc_property::uses_symbol_): New data member declaration.
3490         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3491         uses symbol value and symbol is undefined but not weakly undefined.
3492
3493 2010-06-28  Rafael Espindola  <espindola@google.com>
3494
3495         * plugin.cc (Plugin::load): Use dlerror.
3496
3497 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3498
3499         * symtab.cc (detect_odr_violations): When reporting an ODR
3500         violation, report an object where the symbol is defined.
3501
3502 2010-06-25  Doug Kwan  <dougkwan@google.com>
3503
3504         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3505         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3506         definition.
3507         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3508         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3509         target hook to detect function points.
3510         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3511         * icf.h (Icf::check_section_for_function_pointers): Change type of
3512         parameter SECTION_NAME to const reference to std::string.  Use
3513         target hook to determine if section may have unsafe pointers.
3514         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3515         method definition.
3516
3517 2010-06-21  Rafael Espindola  <espindola@google.com>
3518
3519         * fileread.cc (Input_file::find_fie): New
3520         (Input_file::open): Use Input_file::find_fie.
3521         * fileread.h (Input_file::find_fie): New
3522         * plugin.cc (set_extra_library_path): New.
3523         (Plugin::load): Add set_extra_library_path to the transfer vector.
3524         (Plugin_manager::set_extra_library_path): New.
3525         (Plugin_manager::add_input_file): Use the extra search path if set.
3526         (set_extra_library_path(): New.
3527         * plugin.h (Plugin_manager): Add set_extra_library_path and
3528         extra_search_path_.
3529
3530 2010-06-19  Cary Coutant  <ccoutant@google.com>
3531
3532         * layout.cc (gdb_sections): Add .debug_types.
3533         (lines_only_debug_sections): Likewise.
3534
3535 2010-06-18  Rafael Espindola  <espindola@google.com>
3536
3537         * plugin.cc (add_input_file,add_input_library)
3538         (Plugin_manager::add_input_file): Make filename arguments const.
3539         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3540         const.
3541
3542 2010-06-16  Doug Kwan  <dougkwan@google.com>
3543
3544         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3545         .ARM.attributes section if we have not merged any input
3546         attributes sections.
3547
3548 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3549
3550         * arm.cc: Allow combining objects with no EABI version
3551         information.
3552
3553 2010-06-15  Rafael Espindola  <espindola@google.com>
3554
3555         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3556
3557 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3558
3559         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3560         (struct iovec): Correct !HAVE_READV definition.
3561
3562 2010-06-10  Cary Coutant  <ccoutant@google.com>
3563
3564         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3565         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3566         reloc sections.
3567         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3568
3569         PR 11683
3570         * symtab.h (Symbol::is_placeholder): New member function.
3571         * target-reloc.h (relocate_section): Check for placeholder symbols.
3572
3573         * testsuite/Makefile.am (plugin_test_8): New test.
3574         (plugin_test_9): New test.
3575         * testsuite/Makefile.in: Regenerate.
3576
3577 2010-06-09  Nick Clifton  <nickc@redhat.com>
3578
3579         * yyscript.y (input_list_element): Allow strings prefixed with
3580         the '-' character.  Treat these as libraries.
3581         * script.cc (script_add_library): New function.  Adds a library
3582         specified by "-l<name>" found in an input script.
3583         * script-c.h: Add prototype for script_add_library.
3584
3585 2010-06-07  Doug Kwan  <dougkwan@google.com>
3586
3587         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3588         Restrict stub-group size to be within long conditional branch
3589         range when working around cortex-A8 erratum.
3590
3591 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3592
3593         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3594         #ifdef typo.
3595
3596 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3597
3598         PR gold/11658
3599         * output.cc
3600         (Output_section::Input_section_sort_entry::compare_section_ordering):
3601         Change to return non-zero correctly.
3602         (Output_section::Input_section_sort_section_order_index_compare
3603         ::operator()): Change to fix ambiguity in comparisons.
3604
3605 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3606
3607         * gold.h (is_wildcard_string): New function.
3608         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3609         (Layout::layout_eh_frame): Ditto.
3610         (Layout::find_section_order_index): New method.
3611         (Layout::read_layout_from_file): New method.
3612         * layout.h (Layout::find_section_order_index): New method.
3613         (Layout::read_layout_from_file): New method.
3614         (Layout::input_section_position_): New private member.
3615         (Layout::input_section_glob_): New private member.
3616         * main.cc (main): Call read_layout_from_file here.
3617         * options.h (--section-ordering-file): New option.
3618         * output.cc (Output_section::input_section_order_specified_): New
3619         member.
3620         (Output_section::Output_section): Initialize new member.
3621         (Output_section::add_input_section): Add new parameter.
3622         Keep input sections when --section-ordering-file is used.
3623         (Output_section::set_final_data_size): Sort input sections when
3624         section ordering file is specified.
3625         (Output_section::Input_section_sort_entry): Add new parameter.
3626         Check sorting type.
3627         (Output_section::Input_section_sort_entry::compare_section_ordering):
3628         New method.
3629         (Output_section::Input_section_sort_compare::operator()): Change to
3630         consider section_order_index.
3631         (Output_section::Input_section_sort_init_fini_compare::operator()):
3632         Change to consider section_order_index.
3633         (Output_section::Input_section_sort_section_order_index_compare
3634         ::operator()): New method.
3635         (Output_section::sort_attached_input_sections): Change to sort
3636         according to section order when specified.
3637         (Output_section::add_input_section<32, true>): Add new parameter.
3638         (Output_section::add_input_section<64, true>): Add new parameter.
3639         (Output_section::add_input_section<32, false>): Add new parameter.
3640         (Output_section::add_input_section<64, false>): Add new parameter.
3641         * output.h (Output_section::add_input_section): Add new parameter.
3642         (Output_section::input_section_order_specified): New
3643         method.
3644         (Output_section::set_input_section_order_specified): New method.
3645         (Input_section::Input_section): Initialize section_order_index_.
3646         (Input_section::section_order_index): New method.
3647         (Input_section::set_section_order_index): New method.
3648         (Input_section::section_order_index_): New member.
3649         (Input_section::Input_section_sort_section_order_index_compare): New
3650         struct.
3651         (Output_section::input_section_order_specified_): New member.
3652         * script-sections.cc (is_wildcard_string): Delete and move modified
3653         method to gold.h.
3654         (Output_section_element_input::Output_section_element_input): Modify
3655         call to is_wildcard_string.
3656         (Output_section_element_input::Input_section_pattern
3657         ::Input_section_pattern): Ditto.
3658         (Output_section_element_input::Output_section_element_input): Ditto.
3659         * testsuite/Makefile.am (final_layout): New test case.
3660         * testsuite/Makefile.in: Regenerate.
3661         * testsuite/final_layout.cc: New file.
3662         * testsuite/final_layout.sh: New file.
3663
3664 2010-06-01  Rafael Espindola  <espindola@google.com>
3665
3666         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3667
3668 2010-06-01  Rafael Espindola  <espindola@google.com>
3669
3670         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3671         visibility of symbols.
3672
3673 2010-05-27  Doug Kwan  <dougkwan@google.com>
3674
3675         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3676         from start of output section instead of address for a local symbol
3677         in a merged or relaxed section when doing a relocatable link.
3678
3679 2010-05-26  Rafael Espindola  <espindola@google.com>
3680
3681        PR 11604
3682         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3683         adding sections the garbage collector removed.
3684         * gold/testsuite/Makefile.am: Add test.
3685         * gold/testsuite/Makefile.in: Regenerate.
3686         * gold/testsuite/plugin_test_7.sh: New.
3687         * gold/testsuite/plugin_test_7_1.c: New.
3688         * gold/testsuite/plugin_test_7_2.c: New.
3689
3690 2010-05-26  Rafael Espindola  <espindola@google.com>
3691
3692         * script-sections.cc (Output_section_definition::set_section_addresses):
3693         Check for --section-start.
3694
3695 2010-05-26  Doug Kwan  <dougkwan@google.com>
3696
3697         * arm.cc (Arm_scan_relocatable_relocs): New class.
3698         (Target_arm::relocate_special_relocatable): New method.
3699         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3700         (Arm_relocate_functions::thumb_branch_common): Same.
3701         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3702         instead of Default_scan_relocatable_relocs.
3703         * target-reloc.h (relocate_for_relocatable): Let target handle
3704         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3705         * target.h (Sized_target::relocate_special_relocatable): New method.
3706
3707 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3708
3709         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3710
3711 2010-05-23  Doug Kwan  <dougkwan@google.com>
3712
3713         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3714         instead of a cast.
3715         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3716         with a direct branch, not a conditional branch, to a stub.
3717         * merge.cc (Output_merge_base::record_input_section): New method
3718         defintion.
3719         (Output_merge_data::do_add_input_section): Record input section if
3720         keeps-input-sections flag is set.
3721         (Output_merge_string::do_add_input_section): Ditto.
3722         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3723         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3724         INPUT_SECTIONS_.
3725         (Output_merge_base::keeps_input_sections,
3726         Output_merge_base::set_keeps_input_sections,
3727         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3728         method definitions.
3729         (Output_merge_base::Input_sections): New type declaration.
3730         (Output_merge_base::input_sections_begin,
3731         Output_merge_base::input_sections_end,
3732         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3733         (Output_merge_base::bool keeps_input_sections_,
3734         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3735         Output_merge_base::input_sections_): New data members.
3736         (Output_merge_data::do_set_keeps_input_sections): New method
3737         defintion.
3738         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3739         * output.cc (Output_section::Input_section::relobj): Move method
3740         defintion from class declaration to here and handle merge sections.
3741         (Output_section::Input_section::shndx): Ditto.
3742         (Output_section::Output_section): Remove initializations of removed
3743         data members and initialize new data member LOOKUP_MAPS_.
3744         (Output_section::add_input_section): Set keeps-input-sections flag
3745         for a newly created merge output section as appropriate.  Adjust code
3746         to use Output_section_lookup_maps class.
3747         (Output_section::add_relaxed_input_section): Adjst code for lookup
3748         maps code refactoring.
3749         (Output_section::add_merge_input_section): Add a new parameter
3750         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3751         class.  If adding input section to a newly created merge output
3752         section fails, remove the new merge section.
3753         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3754         Adjust code for use of the Output_section_lookup_maps class.
3755         (Output_section::find_merge_section): Ditto.
3756         (Output_section::build_lookup_maps): New method defintion.
3757         (Output_section::find_relaxed_input_section): Adjust code to use
3758         Output_section_lookup_maps class.
3759         (Output_section::get_input_sections): Export merge sections.  Adjust
3760         code to use Output_section_lookup_maps class.
3761         (Output_section:::add_script_input_section): Adjust code to use
3762         Output_section_lookup_maps class.  Update lookup maps for merge
3763         sections also.
3764         (Output_section::discard_states): Use Output_section_lookup_maps.
3765         (Output_section::restore_states): Same.
3766         * output.h (Merge_section_properties): Move class defintion out of
3767         Output_section.
3768         (Output_section_lookup_maps): New class.
3769         (Output_section::Input_section::is_merge_section): New method
3770         defintion.
3771         (Output_section::Input_section::relobj): Move defintion out of class
3772         defintion.  Declare method only.
3773         (Output_section::Input_section::shndx): Ditto.
3774         (Output_section::Input_section::output_merge_base): New method defintion.
3775         (Output_section::Input_section::u2_.pomb): New union field.
3776         (Output_section::Merge_section_by_properties_map,
3777         Output_section::Output_section_data_by_input_section_map,
3778         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3779         Remove types.
3780         (Output_section::add_merge_input_section): Add new parameter
3781         KEEPS_INPUT_SECTIONS.
3782         (Output_section::build_lookup_maps): New method declaration.
3783         (Output_section::merge_section_map_,
3784         Output_section::merge_section_by_properties_map_,
3785         Output_section::relaxed_input_section_map_,
3786         Output_section::is_relaxed_input_section_map_valid_): Remove data
3787         members.
3788         (Output_section::lookup_maps_): New data member.
3789
3790 2010-05-21  Doug Kwan  <dougkwan@google.com>
3791
3792         PR gold/11619
3793         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3794         avoid a compilation error.
3795
3796 2010-05-19  Rafael Espindola  <espindola@google.com>
3797
3798         * script-sections.cc (Output_section_definition::allocate_to_segment):
3799         Update the phdrs_list even when the output section is NULL.
3800         * testsuite/Makefile.am: Add test.
3801         * testsuite/Makefile.in: Regenerate.
3802         * testsuite/script_test_9.cc: New.
3803         * testsuite/script_test_9.sh: New.
3804         * testsuite/script_test_9.t: New.
3805
3806 2010-05-19  Doug Kwan  <dougkwan@google.com>
3807
3808         * arm.cc (Arm_input_section::original_size): New method.
3809         (Arm_input_section::do_addralign): Add a cast.
3810         (Arm_input_section::do_output_offset): Remove static cast.
3811         (Arm_input_section::original_addralign,
3812          Arm_input_section::original_size_): Change type to uint32_t.
3813         (Arm_input_section::init): Add safe casts for section alignment
3814         and size.
3815         (Arm_input_section::set_final_data_size): Do not set address and
3816         offset of stub table.
3817         (Arm_output_section::fix_exidx_coverage): Change use of of
3818         Output_section::Simple_input_section to that of
3819         Output_section::Input_section.
3820         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3821         except for the first pass.
3822         * output.cc (Output_section::get_input_sections): Change type of
3823         input_sections to std::list<Input_section>.
3824         (Output_section::add_script_input_section): Rename from
3825         Output_section::add_simple_input_section.  Change type of SIS
3826         parameter from Simple_input_section to Input_section.
3827         * output.h (Output_section::Simple_input_section): Remove class.
3828         (Output_section::Input_section): Change class visibility to public.
3829         (Output_section::Input_section::addralign): Use stored alignments
3830         for special input sections if set.
3831         (Output_section::Input_section::set_addralign): New method.
3832         (Output_section::get_input_sections): Change parameter type from
3833         list of Simple_input_section to list of Input_section.
3834         (Output_section::add_script_input_section): Rename from
3835         Output_section::add_simple_input_section. Change first parameter's
3836         type from Simple_input_section to Input_section and remove the
3837         second and third parameters.
3838         * script-sections.cc (Input_section::Input_section_list): Change
3839         type to list of Output_section::Input_section/
3840         (Input_section_info::Input_section_info): Change parameter type of
3841         INPUT_SECTION to Output_section::Input_section.
3842         (Input_section_info::input_section): Change return type.
3843         (Input_section_info::input_section_): Change type to
3844         Output_section::Input_section.
3845         (Output_section_element_input::set_section_addresses): Adjust code
3846         to use Output_section::Input_section instead of
3847         Output_section::Simple_input_section.  Adjust code for renaming
3848         of Output_section::add_simple_input_section.
3849         (Orphan_output_section::set_section_addresses): Ditto.
3850
3851 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3852
3853         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3854         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3855
3856 2010-05-18  Rafael Espindola  <espindola@google.com>
3857
3858         * options.cc (General_options::finalize): Handle -nostdlib.
3859         * options.h (nostdlib): New option.
3860         * script.cc (script_add_search_dir): Handle -nostdlib.
3861
3862 2010-05-12  Doug Kwan  <dougkwan@google.com>
3863
3864         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3865         attributes section only if there no attributes section after merging.
3866         (Target_arm::merge_object_attributes): Move value of
3867         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3868         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3869         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3870         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3871         and arm_attr_merge_7.stdout.
3872         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3873         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3874         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3875         arm_attr_merge_7b.o): New rules.
3876         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3877         arm_attr_merge_7
3878         * testsuite/Makefile.in: Regenerate.
3879         * testsuite/arm_attr_merge.sh: New file.
3880         * testsuite/arm_attr_merge_[67][ab].s: Same.
3881
3882 2010-05-05  Nick Clifton  <nickc@redhat.com>
3883
3884         * po/es.po: Updated Spanish translation.
3885
3886 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3887
3888         * Makefile.am (install-exec-local): Properly install gold as
3889         default cross linker.
3890         * Makefile.in: Regenerated.
3891
3892 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3893             Nick Clifton  <nickc@redhat.com>
3894
3895         * configure.ac (install_as_default): Define and set to false
3896         unless --enable-gold or --enable-gold=both/gold has been
3897         specified.
3898         * configure: Regenerate.
3899
3900         * Makefile.am (install-exec-local): Install the executable as
3901         'ld.gold'.  If install_as_default is true then also install it as
3902         'ld'.
3903         * Makefile.in: Regenerated.
3904
3905 2010-04-24  Ian Lance Taylor  <iant@google.com>
3906
3907         * layout.cc (Layout::layout_reloc): In relocatable link don't
3908         combine reloc sections for grouped sections.
3909
3910 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3911
3912         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3913         sections that are not ordinary to icf.
3914         * icf.cc (get_section_contents): Handle relocation pointing to section
3915         with no object or shndx information.
3916         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3917         * testsuite/Makefile.in: Regenerate.
3918         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3919         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3920
3921 2010-04-22  Ian Lance Taylor  <iant@google.com>
3922
3923         * expression.cc (Expression::Expression_eval_info): Add
3924         result_alignment_pointer field.
3925         (Expression::eval_with_dot): Add result_alignment_pointer
3926         parameter.  Change all callers.
3927         (Expression::eval_maybe_dot): Likewise.
3928         (class Binary_expression): Add alignment_pointer parameter to
3929         left_value and right_value.  Change all callers.
3930         (BINARY_EXPRESSION): Set result alignment.
3931         (class Trinary_expression): Add alignment_pointer parameter to
3932         arg2_value and arg3_value.  Change all callers.
3933         (Trinary_cond::value): Set result alignment.
3934         (Max_expression::value, Min_expression::value): Likewise.
3935         (Align_expression::value): Likewise.
3936         * script-sections.cc (class Sections_element): Add dot_alignment
3937         parameter to set_section_addresses virtual function.  Update
3938         instantiations.
3939         (class Output_section_element): Likewise.
3940         (Script_sections::create_segments): Add dot_alignment parameter.
3941         Change all callers.
3942         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3943         (Script_sections::set_phdrs_clause_addresses): Likewise.
3944         * script-sections.h: Update declarations.
3945         * script.h: Update declarations.
3946         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3947         min_p_align.
3948         * testsuite/script_test_3.t: Set large alignment.
3949         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3950         segment has expected alignment.
3951
3952 2010-04-22  Nick Clifton  <nickc@redhat.com>
3953
3954         * po/gold.pot: Updated by the Translation project.
3955         * po/vi.po: Updated Vietnamese translation.
3956
3957 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3958
3959         * testsuite/Makefile.am (check_PROGRAMS): Add
3960         icf_virtual_function_folding_test.
3961         * testsuite/Makefile.in: Regenerated.
3962
3963 2010-04-15  Andrew Haley  <aph@redhat.com>
3964
3965         * options.h (merge_exidx_entries): New option.
3966         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3967         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3968         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3969         (Target_arm::merge_exidx_entries): New function.
3970         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3971         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3972         to Arm_exidx_fixup constructor.
3973         Add new arg, merge_exidx_entries.
3974         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3975         Arm_output_section::fix_exidx_coverage.
3976
3977 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3978
3979         * icf.cc (get_section_contents): Check for preemptible functions.
3980         Ignore addend when appropriate.
3981         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3982         section folded.
3983         (add_from_relobj): Check for section folded.
3984         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3985         * symtab.h (should_add_dynsym_entry): Add new parameter.
3986         * target-reloc.h (scan_relocs): Check for section folded.
3987         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3988         Check reloc types for function pointers in shared objects.
3989         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3990         case.
3991         (icf_preemptible_functions_test): New test case.
3992         (icf_string_merge_test): New test case.
3993         * testsuite.Makefile.in: Regenerate.
3994         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3995         bar_glob.  Refactor code.
3996         * testsuite/icf_preemptible_functions_test.cc: New file.
3997         * testsuite/icf_preemptible_functions_test.sh: New file.
3998         * testsuite/icf_string_merge_test.cc: New file.
3999         * testsuite/icf_string_merge_test.sh: New file.
4000         * testsuite/icf_virtual_function_folding_test.cc: New file.
4001         * testsuite/icf_virtual_function_folding_test.sh: New file.
4002
4003 2010-04-14  Doug Kwan  <dougkwan@google.com>
4004
4005         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4006         for local symbol recounting if we remove a section due to ICF.
4007         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4008         there are no regular objects in input.
4009
4010 2010-04-13  Doug Kwan  <dougkwan@google.com>
4011
4012         * arm.cc (Arm_input_section::set_final_data_size): Compute
4013         accurate final data size instead of using current data size.
4014
4015 2010-04-09  Doug Kwan  <dougkwan@google.com>
4016
4017         * layout.cc (Layout::choose_output_section): Handle script section
4018         types.
4019         (Layout::make_output_section_for_script): Add section type parameter.
4020         Handle script section types.
4021         * layout.h (Layout::make_output_section_for_script): Add section
4022         type parameter.
4023         * output.cc (Output_section::Output_section): Initialize data member
4024         is_noload_.
4025         (Output_section::do_reset_address_and_file_offset): Do not set address
4026         to 0 if section is a NOLOAD section.
4027         * output.h (Output_section::is_noload): New method.
4028         (Output_section::set_is_noload): Ditto.
4029         (Output_section::is_noload_): New data member.
4030         * script-c.h (Script_section_type): New enum type.
4031         (struct Parser_output_section_header): Add new file section_type.
4032         * script-sections.cc (Sections_element::output_section_name): Add
4033         parameter for returning script section type.
4034         (Output_section_definition::output_section_name): Ditto.
4035         (Output_section_definition::section_type)P; New method.
4036         (Output_section_definiton::script_section_type_name): Ditto.
4037         (Output_section_definition::script_section_type_): New data member.
4038         (Output_section_definition::Output_section_definition): Initialize
4039         data member Output_section_definition::script_section_type_.
4040         (Output_section_definition::create_sections): Pass script section type
4041         to Layout::make_output_section_for_script.
4042         (Output_section_definition::output_section_name): Return script
4043         section type to caller.
4044         (Output_section_definition::set_section_address): Do not advance
4045         dot value and load address if section type is NOLOAD.  Set address
4046         of NOLOAD sections regardless of section flags.
4047         (Output_section_definition::print): Print section type if it is
4048         not SCRIPT_SECTION_TYPE_NONE.
4049         (Output_section_definition::section_type): New method.
4050         (Output_section_definition::script_section_type_name): Ditto.
4051         (Script_sections::output_section_name): Add new parameter
4052         PSECTION_TYPE for returning script section type.  Pass it to
4053         section elements.  Handle discard sections.
4054         (Sort_output_sections::operator()): Handle NOLOAD sections.
4055         * script-sections.h (Script_sections::Section_type): New enum type.
4056         (Script_sections::output_section_name): Add a new parameter for
4057         returning script section type.
4058         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4059         INFO and NOLOAD.
4060         * yyscript.y (union): Add new field SECTION_TYPE.
4061         (COPY, DSECT, INFO, NOLOAD): New tokens.
4062         (opt_address_and_section_type): Change type to output_section_header.
4063         (section_type): New non-terminal
4064         (section_header): Handle section type.
4065         (opt_address_and_section_type): Return section type value.
4066
4067 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4068
4069         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4070         * testsuite/plugin_common_test_2.c (foo): Likewise.
4071
4072 2010-04-08  Doug Kwan  <dougkwan@google.com>
4073
4074         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4075         Output_merge_data.
4076         * output.cc (Output_section::add_merge_input_section): Simplify
4077         code and return status of Output_merge_base::add_input_section.
4078         Update merge section map only if Output_merge_base::add_input_section
4079         returns true.
4080
4081 2010-04-07  Doug Kwan  <dougkwan@google.com>
4082
4083         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4084         if section is marked as containing instructions but has no mapping
4085         symbols.
4086         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4087         correct section index.
4088         (Arm_relobj::find_linked_text_section): Ditto.
4089
4090 2010-04-07  Cary Coutant  <ccoutant@google.com>
4091
4092         * archive.cc (include_member): Destroy Read_symbols_data object before
4093         releasing file.
4094         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4095         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4096         (Read_symbols_data::~Read_symbols_data) New destructor.
4097         (Section_relocs::Section_relocs) New constructor.
4098         (Section_relocs::~Section_relocs) New destructor.
4099         (Read_relocs_data::Read_relocs_data) New constructor.
4100         (Read_relocs_data::~Read_relocs_data) New destructor.
4101         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4102         pointers to NULL after deleting.
4103
4104 2010-04-07  Doug Kwan  <dougkwan@google.com>
4105
4106         * arm.cc: Replace "endianity" with "endianness" in comments.
4107         (Arm_exidx_cantunwind): Ditto.
4108         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4109         (Arm_relobj::merge_flags_and_attributes): New method.
4110         (Arm_relobj::merge_flags_and_attributes_): New data member.
4111         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4112         (Arm_relobj::scan_sections_for_stubs): Ditto.
4113         (Arm_relobj::do_read_symbols): Check to see if we really want to
4114         merge processor-specific flags and attributes.  Exit early if
4115         an object is empty except for section names and the undefined symbol.
4116         (Target_arm::do_finalize_sections): Move check for ELF format to
4117         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4118         attributes from a regular object only when we have determined that
4119         it is aapropriate.  Do not create an .ARM.attributes section in
4120         output if there is no regular input object.
4121         (Target_arm::merge_processor_specific_flags): Check
4122         --warn-mismatch before printing any error.
4123         (Target_arm::merge_object_attributes): Ditto.
4124         * gold.cc (queue_middle_tasks): Handle the case in which there is
4125         no regular object in input.
4126         * options.cc (General_options::parse_EB): New method.
4127         (General_options::parse_EL): Same.
4128         (General_options::General_options): Initialize endianness_.
4129         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4130         New options.
4131         (General_options::Endianness): New enum.
4132         (General_options::endianness): New method.
4133         (General_options::endianness_): New data member.
4134         * parameters.cc (Parameters::set_options): Check target endianness.
4135         (Parameters::set_target_once): Ditto.
4136         (Parameters::check_target_endianness): New method.
4137         (parameters_force_valid_target): If either -EL or -EB is specified,
4138         use it to define endianness of default target.
4139         * parameters.h (Parameters::check_target_endianness): New method
4140         declaration.
4141         * target.h (class Target): Change "endianity" to "endianness"
4142         in comments.
4143
4144 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4145
4146         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4147         * configure: Regenerate.
4148         * Makefile.in: Regenerate.
4149         * testsuite/Makefile.in: Regenerate.
4150
4151 2010-04-06  Cary Coutant  <ccoutant@google.com>
4152
4153         gcc PR lto/42757
4154         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4155         prevailing definitions of common symbols.
4156         * testsuite/plugin_test_6.sh: New test case.
4157         * testsuite/plugin_common_test_1.c: New test case.
4158         * testsuite/plugin_common_test_2.c: New test case.
4159         * testsuite/Makefile.am (plugin_test_6): New test case.
4160         * testsuite/Makefile.in: Regenerate.
4161
4162 2010-04-06  Nick Clifton  <nickc@redhat.com>
4163
4164         * po/vi.po: New Vietnamese translation.
4165
4166 2010-03-30  Doug Kwan  <dougkwan@google.com>
4167
4168         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4169
4170 2010-03-25  Doug Kwan  <dougkwan@google.com>
4171
4172         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4173         to avoid a conversion warning on a 32-bit host.
4174
4175 2010-03-24  Ian Lance Taylor  <iant@google.com>
4176
4177         * testsuite/script_test_3.t: Add a TLS segment.
4178         * testsuite/Makefile.am (check_PROGRAMS): Add
4179         tls_phdrs_script_test.
4180         (tls_phdrs_script_test_SOURCES): Define.
4181         (tls_phdrs_script_test_DEPENDENCIES): Define.
4182         (tls_phdrs_script_test_LDFLAGS): Define.
4183         (tls_phdrs_script_test_LDADD): Define.
4184         * testsuite/Makefile.in: Rebuild.
4185
4186 2010-03-23  Cary Coutant  <ccoutant@google.com>
4187
4188         * fileread.cc (find_or_make_view): Fix comment.
4189
4190 2010-03-23  Ian Lance Taylor  <iant@google.com>
4191
4192         * script-sections.cc (class Orphan_section_placement): Define
4193         PLACE_TLS and PLACE_TLS_BSS.
4194         (Orphan_section_placement::Orphan_section_placement): Initialize
4195         new places.
4196         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4197         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4198         (tls_script_test_SOURCES): Define.
4199         (tls_script_test_DEPENDENCIES): Define.
4200         (tls_script_test_LDFLAGS): Define.
4201         (tls_script_test_LDADD): Define.
4202         * testsuite/Makefile.in: Rebuild.
4203
4204 2010-03-22  Doug Kwan  <dougkwan@google.com>
4205
4206         * arm.cc (Arm_relocate_functions::abs8,
4207         Arm_relocate_functions::abs16): Use correct check for overflow
4208         specified in the ARM ELF specs.
4209         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4210         target of a BLX instruction specially.
4211         (Reloc_stub::stub_type_for_reloc): Ditto.
4212         (Relocate::relocate): Use symbolic names instead of numeric relocation
4213         codes to report error.
4214         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4215         workaround.
4216         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4217         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4218         thumb2_blx_out_of_range.stdout
4219         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4220         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4221         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4222         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4223         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4224         thumb2_blx_in_range, thumb2_blx_in_range.o,
4225         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4226         thumb2_blx_out_of_range.o): New rules.
4227         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4228         thumb2_blx_in_range and thumb2_blx_out_of_range.
4229         * testsuite/Makefile.in: Regenerate.
4230         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4231         * testsuite/thumb_blx_in_range.s: New file.
4232         * testsuite/thumb_blx_out_of_range.s: New file.
4233
4234 2010-03-22  Rafael Espindola  <espindola@google.com>
4235
4236         * archive.cc (Should_include): Move to archive.h.
4237         (should_include_member): Make it a member of Archive.
4238         (Lib_group): New.
4239         (Add_lib_group_symbols): New.
4240         * archive.h: Include options.h.
4241         (Archive_member): Moved from Archive.
4242         (Should_include): Moved from archive.cc.
4243         (Lib_group): New.
4244         (Add_lib_group_symbols): New.
4245         * dynobj.cc (do_should_include_member): New.
4246         * dynobj.h (do_should_include_member): New.
4247         * gold.cc (queue_initial_tasks): Update call to queue.
4248         * main.cc (main): Print lib group stats.
4249         * object.cc (do_should_include_member): New.
4250         * object.h: Include archive.h.
4251         (Object::should_include_member): New.
4252         (Object::do_should_include_member): New.
4253         (Sized_relobj::do_should_include_member): New.
4254         * options.cc (General_options::parse_start_lib): New.
4255         (General_options::parse_end_lib): New.
4256         (Input_arguments::add_file): Handle lib groups.
4257         (Input_arguments::start_group): Check we are not in a lib.
4258         (Input_arguments::start_lib): New.
4259         (Input_arguments::end_lib): New.
4260         * options.h (General_options): Add start_lib and end_lib.
4261         (Input_argument::lib_): New.
4262         (Input_argument::lib): New.
4263         (Input_argument::is_lib): New.
4264         (Input_file_lib): New.
4265         (Input_arguments::in_lib_): New.
4266         (Input_arguments::in_lib): New.
4267         (Input_arguments::start_lib): New.
4268         (Input_arguments::end_lib_): New.
4269         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4270         in unused members as preempted.
4271         (Sized_pluginobj::do_should_include_member): New.
4272         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4273         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4274         return the blocker.
4275         (Read_symbols::do_whole_lib_group): New.
4276         (Read_symbols::do_lib_group): New.
4277         (Read_symbols::do_read_symbols): Handle lib groups.
4278         (Read_symbols::get_name): Handle lib groups.
4279         * readsyms.h (Read_symbols): Add an archive member pointer.
4280         (Read_symbols::do_whole_lib_group): New.
4281         (Read_symbols::do_lib_group): New.
4282         (Read_symbols::member_): New.
4283         * script.cc (read_input_script): Update call to queue_soon.
4284
4285 2010-03-19  Doug Kwan  <dougkwan@google.com>
4286
4287         * arm.cc (Stub_table::Stub_table): Initialize new data members
4288         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4289         (Stub_table::add_reloc_stub): Assign stub offset and update
4290         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4291         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4292         New data members.
4293         (Stub_table::update_data_size_and_addralign): Use
4294         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4295         instead of going over all reloc stubs.
4296         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4297         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4298         Stringpool_template::offset_ to size of Stringpool_char.
4299         (Stringpool_template::new_key_offset): Remove code to initialize
4300         Stringpool_template::offset_.
4301         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4302         Stringpool_template::offset_ to zero.
4303
4304 2010-03-15  Doug Kwan  <dougkwan@google.com>
4305
4306         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4307         offset_.
4308         (Stringpool_template::new_key_offset): New method.
4309         (Stringpool_template::add_string): Assign offsets when adding new
4310         strings.
4311         (Stringpool_template::set_string_offsets): Do not set string offsets
4312         when not optimizing.
4313         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4314         member size_.
4315         (Chunked_vector::clear): Clear size_.
4316         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4317         (Chunked_vector::size): Return size_.
4318         (Chunked_vector::push_back): Use size_ to find insert position.
4319         (Chunked_vector::size_): New data member.
4320         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4321         (Stringpool_template::new_key_offset): New method declaration.
4322         (Stringpool_template::offset_): New data member.
4323
4324 2010-03-15   Rafael Espindola  <espindola@google.com>
4325
4326         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4327         Add_symbols' constructor.
4328         * readsyms.h (Add_symbols): Remove the input_group member.
4329
4330 2010-03-10  Ian Lance Taylor  <iant@google.com>
4331
4332         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4333         target to ask whether a reference to a symbol requires a stack
4334         split.
4335         * target.h (Target::is_call_to_non_split): New function.
4336         (Target::do_is_call_to_non_split): Declare virtual function.
4337         * target.cc: Include "symtab.h".
4338         (Target::do_is_call_to_non_split): New function.
4339         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4340
4341 2010-03-10  Cary Coutant  <ccoutant@google.com>
4342
4343         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4344         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4345         (File_read::open[2]): Add whole_file_view_ to list of views.
4346         (File_read::make_view): Remove test of whole_file_view_.
4347         (File_read::find_or_make_view): Create whole_file_view_ if
4348         necessary.
4349         (File_read::clear_views): Replace bool parameter with enum;
4350         adjust all callers.  Don't delete views with permanent data;
4351         do delete cached views and views from archives if
4352         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4353         if clearing the corresponding view.
4354         * fileread.h (File_read::Clear_views_mode): New enum.
4355         (File_read::View::is_permanent_view): New method.
4356         (File_read::clear_views): Replace bool parameter
4357         with enum; adjust all callers.
4358         * options.h (General_options): Change keep_files_mapped option;
4359         add map_whole_files.
4360         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4361         releasing the file.
4362         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4363         the file.
4364
4365 2010-03-10  David S. Miller  <davem@davemloft.net>
4366
4367         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4368
4369 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4370
4371         * icf.cc (get_section_contents): Add '@' marker after processing the
4372         merge reloc.
4373
4374 2010-03-08  Doug Kwan  <dougkwan@google.com>
4375
4376         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4377         due to a conversion warning.
4378         (Arm_relobj::update_output_local_symbol_count): Check for local
4379         symbol with unset output index.
4380
4381 2010-03-05  Ian Lance Taylor  <iant@google.com>
4382
4383         * options.h (class General_options): Add --spare-dynamic-tags.
4384         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4385         --spare-dynamic-tags.
4386
4387 2010-03-05  Ian Lance Taylor  <iant@google.com>
4388
4389         * incremental.cc: Include "libiberty.h".
4390
4391 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4392
4393         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4394         function, is_info_ member.
4395         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4396         (Versions::Versions): Update caller.
4397         (Versions::define_base_version): Likewise.
4398         (Versions::add_def): Likewise.
4399
4400 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4401
4402         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4403         (Scan::possible_function_pointer_reloc): New function.
4404         (Scan::local_reloc_may_be_function_pointer): Change to call
4405         possible_function_pointer_reloc.
4406         (Scan::global_reloc_may_be_function_pointer): Ditto.
4407         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4408         relocations in ".data.rel.ro._ZTV" section.
4409         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4410         * testsuite/icf_safe_so_test.cc: Ditto.
4411         * testsuite/icf_safe_test.cc: Ditto.
4412         * testsuite/icf_safe_test.sh: Ditto.
4413
4414 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4415             Ian Lance Taylor  <iant@google.com>
4416
4417         * target-reloc.h (relocate_section): Check the symbol table index
4418         for -1U before setting the local symbol index.
4419         (scan_relocatable_relocs): If copying the relocation, record that
4420         the local symbol is required.
4421         * object.h (Symbol_value::is_output_symtab_index_set): New
4422         function.
4423         (Symbol_value::may_be_discarded_from_output_symtab): New
4424         function.
4425         (Symbol_value::has_output_symtab_entry): New function.
4426         (Symbol_value::needs_output_symtab_entry): Remove.
4427         (Symbol_value::output_symtab_index): Make sure the symbol index is
4428         set.
4429         (Symbol_value::set_output_symtab_index): Make sure the symbol
4430         index is not set.  Make sure the new index is valid.
4431         (Symbol_value::set_must_have_output_symtab_entry): New function.
4432         (Symbol_value::has_output_dynsym_entry): New function.
4433         (Symbol_value::set_output_dynsym_index): Make sure the new index
4434         is valid.
4435         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4436         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4437         local symbol if permitted.
4438         (Sized_relobj::do_finalize_local_symbols): Call
4439         is_output_symtab_index_set rather than needs_output_symtab_entry.
4440         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4441         rather than needs_output_symtab_entry.  Call
4442         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4443         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4444         is_output_symtab_index_set rather than needs_output_symtab_entry.
4445         * testsuite/discard_locals_relocatable_test.c: New file.
4446         * testsuite/discard_locals_test.sh: Test -r.
4447         * testsuite/Makefile.am (check_DATA): Add
4448         discard_locals_relocatable_test1.syms,
4449         discard_local_relocatable_test2.syms.
4450         (MOSTLYCLEANFILES): Likewise.  Also add
4451         discard_locals_relocatable_test1.lout and
4452         discard_locals_relocatable_test2.out.
4453         (discard_locals_relocatable_test1.syms): New target.
4454         (discard_locals_relocatable_test.o): New target.
4455         (discard_locals_relocatable_test1.out): New target.
4456         (discard_locals_relocatable_test2.syms): New target.
4457         (discard_locals_relocatable_test2.out): New target.
4458         (various): Add missing ../ld-new dependencies.
4459         * testsuite/Makefile.in: Rebuild.
4460
4461 2010-03-03  Nick Clifton  <nickc@redhat.com>
4462
4463         * po/fi.po: New Finnish translation.
4464
4465 2010-03-01  Doug Kwan  <dougkwan@google.com>
4466
4467         * layout.cc (Layout::Layout): Force section types of .init_array*,
4468         .preinit_array* and .fini_array* sections.
4469         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4470         Fix check of return value of std::string::find.().
4471         (Output_section::Input_section_sort_compare::operator()): Remove
4472         comment about .init_array.
4473         (Output_section::Input_section_sort_init_fini_compare::operator()):
4474         New method.
4475         (Output_section::sort_attached_input_sections): Handle .init_array
4476         and .fini_array specially.
4477         * output.h (Output_section::Inut_section_sort_compare): Update
4478         comment.
4479         (Output_section::Input_section_sort_init_fini_compare): New struct.
4480
4481 2010-02-26  Doug Kwan  <dougkwan@google.com>
4482
4483         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4484         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4485         * testsuite/debug_msg.sh: Avoid matching source line number for
4486         use of global variable undef_int.
4487
4488 2010-02-26  Doug Kwan  <dougkwan@google.com>
4489
4490         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4491         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4492         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4493         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4494         * options.cc (General_options::General_options): Initialize member
4495         fix_v4bx_.
4496         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4497         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4498         and rm_no_fix_v4bx.stdout
4499         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4500         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4501         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4502         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4503         and arm_no_fix_v4bx.
4504         * Makefile.in: Regenerate.
4505         * testsuite/arm_fix_v4bx.s: New file.
4506         * testsuite/arm_fix_v4bx.sh: Ditto.
4507
4508 2010-02-24  Doug Kwan  <dougkwan@google.com>
4509
4510         * arm.cc (Target_arm::got_section): Make the .got section the first
4511         non RELRO section in the data segment.
4512         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4513         suffixes of section names.
4514
4515 2010-02-24  Doug Kwan  <dougkwan@google.com>
4516
4517         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4518         flags and attributes merging if an input file is a binary file.
4519         * fileread.cc (Input_file::open): Record format of original file.
4520         * fileread.h (Input_file::Format): New enum type.
4521         (Input_file::Input_file): Initialize data member format_.
4522         (Input_file::format): New method definition.
4523         (Input_file::format_):: New data member.
4524
4525 2010-02-24  Doug Kwan  <dougkwan@google.com>
4526
4527         * arm.cc (Arm_output_data_got): New class.
4528         (ARM_TCB_SIZE): New constant
4529         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4530         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4531         If user uses a script with a SECTIONS clause, issue only a warning
4532         for a misplaced EXIDX input section.  Otherwise, issue an error.
4533         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4534         garbage collection.
4535         (Target_arm::got_mode_index_entry): Handle static linking.
4536         (Target_arm::Scan::local): Ditto.
4537         (Target_arm::Scan::global): Ditto.
4538         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4539         all incorrectly implemented relocations.
4540         (Target_arm::fix_exidx_coverage): Pass layout to
4541         Arm_output_section::fix_exidx_coverage.
4542         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4543         from ".ARM.exidx." and ".ARM.extab.".
4544
4545 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4546
4547         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4548         section if it does not already exist.
4549         * attributes.cc (Attributes_section_data::Attributes_section_data):
4550         Don't crash if size is zero.
4551
4552 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4553             Ian Lance Taylor  <iant@google.com>
4554
4555         * gold.cc (queue_middle_tasks): If no input files were opened,
4556         exit.
4557         * workqueue.h (Task_function::Task_function): Assert that there is
4558         a blocker.
4559
4560 2010-02-22  Doug Kwan  <dougkwan@google.com>
4561
4562         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4563         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4564         types to avoid warnings due to different uint64_t implementations
4565         on different hosts.
4566
4567 2010-02-21  Doug Kwan  <dougkwan@google.com>
4568
4569         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4570         handling of the maximum backward branch offset.
4571         (Arm_relocate_functions::thumb_branch_common): Ditto.
4572         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4573         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4574         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4575         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4576         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4577         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4578         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4579         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4580         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4581         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4582         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4583         thumb2_bl_out_of_range.o): New rules.
4584         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4585         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4586         thumb2_bl_out_of_range
4587         * testsuite/Makefile.in: Regenerate.
4588         * testsuite/arm_bl_in_range.s: New file.
4589         * testsuite/arm_bl_out_of_range.s: Ditto.
4590         * testsuite/arm_branch_in_range.sh: Ditto.
4591         * testsuite/arm_branch_range.t: Ditto.
4592         * testsuite/thumb2_branch_range.t: Ditto.
4593         * testsuite/thumb_bl_in_range.s: Ditto.
4594         * testsuite/thumb_bl_out_of_range.s: Ditto.
4595         * testsuite/thumb_branch_range.t: Ditto.
4596
4597 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4598
4599         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4600         Add reloc offset information.
4601         * icf.cc (get_section_contents): Change iterators to point to the new
4602         vectors. Add reloc offset information to the contents.
4603         * icf.h (Icf::Sections_reachable_info): New typedef.
4604         (Icf::Sections_reachable_list): New typedef.
4605         (Icf::Offset_info): New typedef.
4606         (Icf::Reloc_info): New struct typedef.
4607         (Icf::Reloc_info_list): New typedef.
4608         (Icf::symbol_reloc_list): Delete method.
4609         (Icf::addend_reloc_list): Delete method.
4610         (Icf::section_reloc_list): Delete method.
4611         (Icf::reloc_info_list): New method.
4612         (Icf::reloc_info_list_): New member.
4613
4614 2010-02-19  Doug Kwan  <dougkwan@google.com>
4615
4616         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4617         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4618         * arm.cc (Arm_relocation_functions): New forward declaration.
4619         (Target_arm::Target_arm): Initialize new data members
4620         got_mod_index_offset_ and tls_base_symbol_defined_.
4621         (Target_arm::Relocate::relocate_tls): New method.
4622         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4623          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4624         New methods.
4625         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4626         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4627         (Target_arm::got_mod_index_offset_,
4628         Target_arm::tls_base_symbol_defined_): New data members.
4629         (Target_arm::Scan::local, Target::Scan::global,
4630         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4631         relocations.
4632
4633 2010-02-18  Doug Kwan  <dougkwan@google.com>
4634
4635         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4636         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4637         text section as a parameter becuase some broken tools may not set
4638         the link in section header.
4639         (Target_arm::has_got_section): New method.
4640         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4641         without any mapping symbol as data only.  Remove warning.
4642         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4643         link in its section header, try to discover the link by inspecting the
4644         REL31 relocation at the beginning of the section.
4645         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4646         in error message.
4647         (Target_arm::Scan::global): Treat any reference to the symbol
4648         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4649
4650 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4651
4652         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4653         (Scan::global_reloc_may_be_function_pointer): New function.
4654         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4655         (Scan::global_reloc_may_be_function_pointer): New function.
4656         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4657         (Scan::global_reloc_may_be_function_pointer): New function.
4658         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4659         (Scan::global_reloc_may_be_function_pointer): New function.
4660         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4661         (Scan::global_reloc_may_be_function_pointer): New function.
4662         (Scan::possible_function_pointer_reloc): New function.
4663         (Target_x86_64::can_check_for_function_pointers): New function.
4664         * gc.h (gc_process_relocs): Scan relocation types to determine if
4665         function pointers were taken for targets that support it.
4666         * icf.cc (Icf::find_identical_sections): Include functions for
4667         folding in safe ICF whose pointer is not taken.
4668         * icf.h (Secn_fptr_taken_set): New typedef.
4669         (fptr_section_id_): New member.
4670         (section_has_function_pointers): New function.
4671         (set_section_has_function_pointers): New function.
4672         (check_section_for_function_pointers): New function.
4673         * options.h: Fix comment for safe ICF option.
4674         * target.h (can_check_for_function_pointers): New function.
4675         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4676         Modify icf_safe_test for X86-64.
4677         * testsuite/Makefile.in: Regenerate.
4678         * testsuite/icf_safe_so_test.cc: New file.
4679         * testsuite/icf_safe_so_test.sh: New file.
4680         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4681         (main): Change to take pointer to function kept_func_3.
4682         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4683         folding is done correctly for X86-64.
4684
4685 2010-02-12  David S. Miller  <davem@davemloft.net>
4686
4687         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4688         is_symbolless parameter.
4689         (Output_reloc<SHT_REL>::is_symbolless): New.
4690         (Output_reloc<SHT_REL>::is_symbolless_): New.
4691         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4692         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4693         (Output_reloc<SHT_RELA>::is_symbolless): New.
4694         (Output_data_reloc::add_global): Handle is_symbolless.
4695         (Output_data_reloc::add_global_relative): Likewise.
4696         (Output_data_reloc::add_local): Likewise.
4697         (Output_data_reloc::add_local_relative): Likewise.
4698         (Output_data_reloc::add_symbolless_global_addend): New.
4699         (Output_data_reloc::add_symbolless_local_addend): New.
4700         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4701         is_symbolless.
4702         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4703         instead of ->is_relative_
4704         (Output_reloc::write): Likewise.
4705         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4706         (Output_reloc::write_rel): Simplify.
4707
4708         * sparc.cc (Target_sparc::Scan::local): Use
4709         ->add_symbolless_local_addend as needed.
4710         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4711         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4712         based upon relocation offset.
4713
4714 2010-02-11  Doug Kwan  <dougkwan@google.com>
4715
4716         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4717         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4718         beginning of function.
4719         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4720         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4721         parameter is_32bit in calls to should_apply_static_reloc.
4722         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4723         (check_DATA): Add arm_abs_global.stdout.
4724         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4725         arm_abs_global.stdout): New rules.
4726         (MOSTLLYCLEANFILES): Add arm_abs_global
4727         * Makefile.in: Regenerate.
4728         * testsuite/arm_abs_global.s: New file.
4729         * testsuite/arm_abs_global.sh: Ditto.
4730         * testsuite/arm_abs_lib.s: Ditto.
4731
4732 2010-02-11  Ian Lance Taylor  <iant@google.com>
4733
4734         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4735         Read_relocs task.
4736         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4737         Allocate_commons_task first.
4738         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4739         task, rather than symtab_lock_.
4740         (Gc_process_relocs::~Gc_process_relocs): New function.
4741         (Gc_process_relocs::is_runnable): Check this_blocker_.
4742         (Gc_process_relocs::locks): Use next_blocker_ rather than
4743         blocker_.
4744         (Scan_relocs::~Scan_relocs): New function.
4745         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4746         symtab_lock_.
4747         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4748         next_blocker_.
4749         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4750         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4751         constructor accordingly.
4752         (class Gc_process_relocs): Likewise.
4753         (class Scan_relocs): Likewise.
4754         * common.h (class Allocate_commons_task): Remove symtab_lock_
4755         field, and corresponding constructor parameter.
4756         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4757         symtab_lock_.
4758         (Allocate_commons_task::locks): Likewise.
4759
4760 2010-02-11  Ian Lance Taylor  <iant@google.com>
4761
4762         * gold-threads.h (class Once): Define.
4763         (class Initialize_lock): Rewrite as child of Once.
4764         * gold-threads.cc (class Once_initialize): Define.
4765         (once_pointer_control): New static variable.
4766         (once_pointer, once_arg): New static variables.
4767         (c_run_once): New static function.
4768         (Once::Once, Once::run_once, Once::internal_run): New functions.
4769         (class Initialize_lock_once): Remove.
4770         (initialize_lock_control): Remove.
4771         (initialize_lock_pointer): Remove.
4772         (initialize_lock_once): Remove.
4773         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4774         (Initialize_lock::initialize): Rewrite.
4775         (Initialize_lock::do_run_once): New function.
4776         * archive.cc (Archive::interpret_header): Only clear name if it is
4777         not already empty.
4778         * fileread.cc: Include "gold-threads.h"
4779         (file_counts_lock): New static variable.
4780         (file_counts_initialize_lock): Likewise.
4781         (File_read::release): Only increment counts when using --stats.
4782         Use a lock around the increment.
4783         * parameters.cc (class Set_parameters_target_once): Define.
4784         (set_parameters_target_once): New static variable.
4785         (Parameters::Parameters): Move here from parameters.h.
4786         (Parameters::set_target): Rewrite.
4787         (Parameters::set_target_once): New function.
4788         (Parameters::clear_target): Move here and rewrite.
4789         * parameters.h (class Parameters): Update declarations.  Add
4790         set_parameters_target_once_ field.
4791         (Parameters::Parameters): Move to parameters.cc.
4792         (Parameters::clear_target): Likewise.
4793         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4794         task.
4795         (Start_group::~Start_group): New function.
4796         (Start_group::is_runnable): New function.
4797         (Start_group::locks, Start_group::run): New functions.
4798         (Finish_group::run): Change saw_undefined to size_t.
4799         * readsyms.h (class Start_group): Define.
4800         (class Finish_group): Change saw_undefined_ field to size_t.
4801         (Finish_group::Finish_group): Remove saw_undefined and
4802         this_blocker parameters.  Change all callers.
4803         (Finish_group::set_saw_undefined): New function.
4804         (Finish_group::set_blocker): New function.
4805         * symtab.h (class Symbol_table): Change saw_undefined to return
4806         size_t.  Change saw_undefined_ field to size_t.
4807         * target-select.cc (Set_target_once::do_run_once): New function.
4808         (Target_selector::Target_selector): Initialize set_target_once_
4809         field.  Don't initialize lock_ and initialize_lock_ fields.
4810         (Target_selector::instantiate_target): Rewrite.
4811         (Target_selector::set_target): New function.
4812         * target-select.h (class Set_target_once): Define.
4813         (class Target_selector): Update declarations.  Make
4814         Set_target_once a friend.  Remove lock_ and initialize_lock_
4815         fields.  Add set_target_once_ field.
4816
4817 2010-02-10  Ian Lance Taylor  <iant@google.com>
4818
4819         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4820         queueing any tasks.
4821         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4822         (queue_middle_tasks): Add all blockers before queueing any tasks.
4823         (queue_final_tasks): Likewise.
4824         * token.h (Task_token::add_blockers): New function.
4825         * object.h (Input_objects::number_of_relobjs): New function.
4826
4827 2010-02-10  Ian Lance Taylor  <iant@google.com>
4828
4829         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4830         shared, not if not position independent.
4831         * x86_64.cc (Relocate::relocate_tls): Likewise.
4832         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4833         (tls_pie_pic_test): New target.
4834         * testsuite/Makefile.in: Rebuild.
4835
4836         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4837         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4838         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4839         * testsuite/Makefile.in: Rebuild.
4840
4841 2010-02-09  David S. Miller  <davem@davemloft.net>
4842
4843         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4844         R_SPARC_RELATIVE using ->add_local_relative().
4845         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4846
4847         * output.h (Output_data_dynamic::add_section_size): New method
4848         that takes two Output_data objects.
4849         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4850         entry param.  Handle it in initializers.
4851         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4852         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4853         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4854         arg.
4855         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4856         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4857         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4858         for dynrel_includes_plt.
4859         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4860         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4861         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4862         before .rela.plt
4863         (Target_sparc::do_finalize_sections): Update to pass true for
4864         dynrel_includes_plt.
4865         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4866         output before .rela.plt
4867         (Target_powerpc::do_finalize_sections): Update to pass true for
4868         dynrel_includes_plt when 32-bit.
4869
4870 2010-02-08  Doug Kwan  <dougkwan@google.com>
4871
4872         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4873         method.
4874         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4875         Arm_relobj::scan_section_for_cortex_a8_stubs,
4876         Arm_relobj::do_relocation_section): Instead of calling
4877         Output_section::output_address, use faster
4878         Arm_relobj::simple_input_section_output_address.
4879
4880 2010-02-08  David S. Miller  <davem@davemloft.net>
4881
4882         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4883         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4884         relocation helper function.
4885
4886         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4887         just like R_SPARC_GOT{10,13,22}.
4888         (Target_sparc::Scan::local): Likewise.
4889         (Target_sparc::Relocate:relocate): Likewise.
4890
4891 2010-02-06  Ian Lance Taylor  <iant@google.com>
4892
4893         * configure.ac: Rewrite targetobjs duplicate removal code to use
4894         only shell constructs.
4895         * configure: Rebuild.
4896
4897 2010-02-05  Doug Kwan  <dougkwan@google.com>
4898
4899         PR 11247
4900         * arm.cc (Arm_relobj::section_is_scannable): New method.
4901         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4902         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4903
4904 2010-02-04  Doug Kwan  <dougkwan@google.com>
4905
4906         PR 11247
4907         * arm-reloc-property.cc (cstdio): Include.
4908         * configure.ac (targetobjs): Remove duplicates.
4909         * configure: Regenerate.
4910         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4911         big and little endian version for a given address size.
4912
4913 2010-02-03  Doug Kwan  <dougkwan@google.com>
4914
4915         * arm-reloc-property.cc
4916         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4917         definition.
4918         * arm-reloc-property.h
4919         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4920         New method definition.
4921         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4922         declaration.
4923         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4924         overflow to N.
4925         (GOT_PREL): Change implemented to Y.
4926         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4927         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4928         (Arm_relocate_functions::movw_abs_nc): Remove method.
4929         (Arm_relocate_functions::movt_abs): Ditto.
4930         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4931         (Arm_relocate_functions::thm_movt_abs): Ditto.
4932         (Arm_relocate_functions::movw_rel_nc): Ditto.
4933         (Arm_relocate_functions::movw_rel): Ditto.
4934         (Arm_relocate_functions::movt_rel): Ditto.
4935         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4936         (Arm_relocate_functions:thm_movw_rel): Ditto.
4937         (Arm_relocate_functions:thm_movt_rel): Ditto.
4938         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4939         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4940         New method definitions.
4941         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4942         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4943         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4944         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4945         (Target_arm::Relocate::relocate): Check for non-static or
4946         unimplemented relocation code and exit early.  Change calls to
4947         Target_arm::reloc_uses_thumb_bit and
4948         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4949         instead.  Refactor code to handle similar relocations to increase
4950         code sharing.  Remove check for unsupported relocation code in switch
4951         statement.
4952         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4953         relocation property table to find out size.  Change error message to
4954         print out the name of a relocation code instead of the numeric value.
4955         (Target_arm::scan_reloc_for_stub): Use relocation property table
4956         instead of calling Target_arm::reloc_uses_thumb_bit().
4957
4958 2010-02-02  Doug Kwan  <dougkwan@google.com>
4959
4960         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4961         types of relaxed input section.
4962
4963 2010-02-02  Doug Kwan  <dougkwan@google.com>
4964
4965         * Makefile.am (HFILES): Add arm-reloc-property.h.
4966         (DEFFILES): New.
4967         (TARGETSOURCES): Add arm-reloc-property.cc
4968         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4969         (libgold_a_SOURCES): $(DEFFILES)
4970         * Makefile.in: Regenerate.
4971         * arm-reloc-property.cc: New file.
4972         * arm-reloc-property.h: New file.
4973         * arm-reloc.def: New file.
4974         * arm.cc: Update comments.
4975         (arm-reloc-property.h): New included header.
4976         (arm_reloc_property_table): New global variable.
4977         (Target_arm::do_select_as_default_target): New method definition.
4978         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4979         arm-reloc-property to targ_extra_obj.
4980         * parameters.cc (set_parameters_target): Call
4981         Target::select_as_default_target().
4982         * target.h (Target::select_as_default_target): New method definition.
4983         (Target::do_select_as_default_target): Same.
4984
4985 2010-02-01  Doug Kwan  <dougkwan@google.com>
4986
4987         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4988         first_output_text_section_.
4989         (Arm_exidx_fixup::first_output_text_section): New method definition.
4990         (Arm_exidx_fixup::first_output_text_section_): New data member.
4991         (Arm_exidx_fixup::process_exidx_section): Record the first text
4992         output section seen.
4993         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4994         and entsize in output section header.
4995
4996 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4997
4998         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4999         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5000         (Arm_relocate_functions::thm_alu11): New Method.
5001         (Arm_relocate_functions::thm_pc8): New Method.
5002         (Arm_relocate_functions::thm_pc12): New Method.
5003         (Target_arm::Scan::local): Handle the relocations.
5004         (Target_arm::Scan::global): Likewise.
5005         (Target_arm::Relocate::relocate): Likewise.
5006         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5007
5008 2010-01-29  Doug Kwan  <dougkwan@google.com>
5009
5010         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5011         of relocation types as ld.
5012
5013 2010-01-29  Doug Kwan  <dougkwan@google.com>
5014
5015         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5016         to public.
5017         (Arm_relocate_functions::thumb_branch_common): Ditto.
5018         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5019         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5020         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5021         Arm_relocate_functions::jump24): Remove.
5022         (Target_arm::Relocate::relocate): Adjust code to call
5023         Arm_relocation_functions::arm_branch_common and
5024         Arm_relocation_functions::thumb_branch_common instead of their removed
5025         wrappers.  Merge switch-cases together to reduce source code size.
5026
5027 2010-01-29  Doug Kwan  <dougkwan@google.com>
5028
5029         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5030         output_local_symbol_count_needs_update_.
5031         (Arm_relobj::output_local_symbol_count_needs_update,
5032          Arm_relobj::set_output_local_symbol_count_needs_update,
5033          Arm_relobj::update_output_local_symbol_count): New methods.
5034         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5035         member.
5036         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5037         of pointed function as in a R_ARM_PREL31 relocation.
5038         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5039         for output local symbol count updating.
5040         (Target_arm::do_relax): Update output local symbol counts in objects
5041         if necessary.
5042         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5043
5044 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5045
5046         * arm.cc: Added support for the ARM relocations:
5047         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5048         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5049         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5050         movw_prel_nc).
5051         (Arm_relocate_functions::movw_rel): New method.
5052         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5053         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5054         thm_movw_prel_nc).
5055         (Arm_relocate_functions::thm_movw_rel): New method.
5056         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5057         thm_movt_prel).
5058         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5059         relocations.
5060         (Target_arm::Scan::global): Likewise.
5061         (Target_arm::Relocate::relocate): Likewise.
5062         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5063         Likewise.
5064
5065 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5066
5067         * arm.cc: Added support for ARM group relocations.
5068         (Target_arm::reloc_needs_sym_origin): New method.
5069         (Arm_relocate_functions::calc_grp_kn): New method.
5070         (Arm_relocate_functions::calc_grp_residual): New method.
5071         (Arm_relocate_functions::calc_grp_gn): New method.
5072         (Arm_relocate_functions::arm_grp_alu): New Method.
5073         (Arm_relocate_functions::arm_grp_ldr): New Method.
5074         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5075         (Arm_relocate_functions::arm_grp_ldc): New Method.
5076         (Target_arm::Scan::local): Handle the ARM group relocations.
5077         (Target_arm::Scan::global): Likewise.
5078         (Target_arm::Relocate::relocate): Likewise.
5079         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5080         Likewise.
5081
5082 2010-01-26  Doug Kwan  <dougkwan@google.com>
5083
5084         * arm.cc (set): Include.
5085         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5086         pointer type.
5087         (Arm_output_section::Text_section_list): New type.
5088         (Arm_output_section::append_text_sections_to_list): New method.
5089         (Arm_output_section::fix_exidx_coverage): Ditto.
5090         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5091         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5092         Relobj::set_section_offset() instead of
5093         Sized_relobj::invalidate_section_offset().
5094         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5095         parameter for section headers. Ignore relocation sections for
5096         unallocated sections and EXIDX sections.
5097         (Target_arm::fix_exidx_coverage): New method.
5098         (Target_arm::output_section_address_less_than): New type.
5099         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5100         linked text section instead of the EXIDX section.
5101         (Arm_output_section::create_stub_group): Add an assertion to check
5102         that this is not an EXIDX output section.
5103         (Arm_output_section::append_text_sections_to_list): New method.
5104         (Arm_output_section::fix_exidx_coverage): Ditto.
5105         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5106         Arm_relobj::section_needs_reloc_stub_scanning.
5107         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5108         first pass.
5109         (Target_arm::fix_exidx_coverage): New method.
5110         * object.h (Relobj::set_output_section): New method.
5111         (Sized_relobj::invalidate_section_offset): Remove method.
5112         (Sized_relobj::do_invalidate_section_offset): Remove method.
5113         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5114
5115 2010-01-25  Doug Kwan  <dougkwan@google.com>
5116
5117         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5118         Fix warning due to signed and unsigned comparison on a 32-bit host.
5119
5120 2010-01-22  Doug Kwan  <dougkwan@google.com>
5121
5122         * arm.cc (Target_arm::do_relax): Record an output section for section
5123         offset adjustment it contains any stub table that has changed.
5124         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5125         offsets in an output section if necessary.
5126         * output.cc (Output_section::Output_section): Initialize
5127         section_offsets_need_adjustments_.
5128         (Output_section::add_input_section_for_script): Renamed to
5129         Output_section::add_simple_input_section.
5130         (Output_section::save_states): Add a comment.
5131         (Output_section::discard_states): New method defintion.
5132         (Output_section::adjust_section_offsets): Same.
5133         * output.h (Output_section::add_input_section_for_script): Renamed to
5134         Output_section::add_simple_input_section.
5135         (Output_section::discard_states): New method declaration.
5136         (Output_section::adjust_section_offsets): Same.
5137         (Output_section::section_offsets_need_adjustment,
5138         Output_section::set_section_offsets_need_adjustment): New method
5139         definitions.
5140         (Output_section::section_offsets_need_adjustment_): New data member.
5141         * script-sections.cc
5142         (Output_section_element_input::set_section_address): Adjust code for
5143         renaming of Output_section::add_input_section_for_script.
5144         (Orphan_output_section::set_section_address): Same.
5145
5146 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5147
5148         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5149         Fix_v4bx enum values .
5150         * gold/options.h (General_options): New option definitions.
5151         (General_options::fix_v4bx): New method.
5152         (General_options::Fix_v4bx): New enum.
5153         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5154         (General_options::parse_fix_v4bx_interworking): New method.
5155
5156 2010-01-22  Doug Kwan  <dougkwan@google.com>
5157
5158         * arm.cc (Arm_exidx_fixup): New class.
5159
5160 2010-01-21  Doug Kwan  <dougkwan@google.com>
5161
5162         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5163         classes.
5164         (Arm_exidx_section_offset_map): New type.
5165
5166 2010-01-21  Doug Kwan  <dougkwan@google.com>
5167
5168         * arm.cc (Arm_exidx_input_section): New class.
5169         (Arm_relobj::exidx_input_section_by_link,
5170         Arm_relobj::exidx_input_section_by_shndx,
5171         Arm_relobj::make_exidx_input_section): New methods.
5172         (read_arm_attributes_section): Remove.
5173         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5174         information about them.
5175         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5176         to here.
5177
5178 2010-01-20  Doug Kwan  <dougkwan@google.com>
5179
5180         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5181         Input_section_specifier to Section_id.
5182         (Target_arm::new_arm_input_section: Adjust code for change of key
5183         type.
5184         (Target_arm::find_arm_input_section): Ditto.
5185         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5186         (Section_id): Remove.
5187         (Garbage_collection::Section_id_hash): Remove.
5188         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5189         (Section_id): Remove.
5190         (Icf::Section_id_hash): Remove.
5191         * object.h (Section_id, Const_section_id, Section_id_hash,
5192         Const_section_id_hash): New type definitions.
5193         * output.cc (Output_section::add_relaxed_input_section): Change to
5194         use Const_section_id instead of Input_section_specifier as key type.
5195         (Output_section::add_merge_input_section): Ditto.
5196         (Output_section::build_relaxation_map): Change to use Section_id
5197         instead of Input_section_specifier as key type.
5198         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5199         Ditto.
5200         (Output_section::convert_input_sections_to_relaxed_sections): Change
5201         to use Const_section_id instead of Input_section_specifier as key type.
5202         (Output_section::find_merge_section): Ditto.
5203         (Output_section::find_relaxed_input_section): Ditto.
5204         * output.h (Input_section_specifier): Remove class.
5205         (Output_section::Output_section_data_by_input_section_map): Change
5206         key type to Const_section_id.
5207         (Output_section::Output_relaxed_input_section_by_input_section_map):
5208         Ditto.
5209         (Output_section::Relaxation_map): Change key type to Section_id.
5210
5211 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5212
5213         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5214         (class Arm_v4bx_stub): New class.
5215         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5216         (Stub_factory::make_arm_v4bx_stub): New method.
5217         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5218         (Stub_table::empty): Handle v4bx stubs.
5219         (Stub_table::add_arm_v4bx_stub): New method.
5220         (Stub_table::find_arm_v4bx_stub): New method.
5221         (Arm_relocate_functions::v4bx): New method.
5222         (Target_arm::fix_v4bx): New method.
5223         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5224         (Stub_table::relocate_stubs): Likewise.
5225         (Stub_table::do_write): Likewise.
5226         (Stub_table::update_data_size_and_addralign): Likewise.
5227         (Stub_table::finalize_stubs):  Likewise.
5228         (Target_arm::Scan::local): Likewise.
5229         (Target_arm::Scan::global): Likewise.
5230         (Target_arm::do_finalize_sections): Likewise.
5231         (Target_arm::Relocate::relocate): Likewise.
5232         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5233         Likewise.
5234         (Target_arm::scan_reloc_for_stub): Likewise.
5235         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5236
5237 2010-01-19  Ian Lance Taylor  <iant@google.com>
5238
5239         * output.cc (Output_section_headers::do_sized_write): Write large
5240         segment count to sh_info field.
5241         (Output_file_header::do_sized_write): For large segment count,
5242         write PN_XNUM to e_phnum field.
5243
5244 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5245
5246         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5247         (Arm_relocate_functions::thm_jump8): New function.
5248         (Arm_relocate_functions::thm_jump11): New function.
5249         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5250         R_ARM_THM_JUMP11.
5251         (Target_arm::Scan::global): Likewise.
5252         (Target_arm::Relocate::relocate): Likewise.
5253         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5254         Likewise.
5255
5256 2010-01-14  Doug Kwan  <dougkwan@google.com>
5257
5258         * arm.cc (map, utility): Include headers.
5259         (Target_arm::apply_cortex_a8_workaround): New method.
5260         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5261         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5262         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5263         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5264         the --[no-]fix-cortex-a8 command line options.
5265         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5266         (Target_arm::relocate_stub): Use addend in instruction template.
5267         * options.h (DEFINE_bool): Set the user-set flag.
5268         (General_options): Add --[no-]-fix-cortex options.
5269         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5270         : Update fast look-up map after conversion.
5271
5272 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5273
5274         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5275         in the first pass of do_layout.
5276
5277 2010-01-13  Doug Kwan  <dougkwan@google.com>
5278
5279         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5280         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5281         apparent compiler problem of not folding static constant integral
5282         data members of elfcpp::Elf_sizes<32>.
5283
5284 2010-01-13  Doug Kwan  <dougkwan@google.com>
5285
5286         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5287         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5288         Arm_relobj::scan_section_for_cortex_a8_erratum,
5289         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5290         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5291         sections to scan for relocation stubs into a new method
5292         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5293         relocation and Cortex-A8 stub scanning.
5294         (Target_arm::do_relax): Force stubs to be after stubbed sections
5295         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5296         the beginning of a new relaxation pass.  Update a comment.
5297         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5298
5299 2010-01-12  Ian Lance Taylor  <iant@google.com>
5300
5301         * target-reloc.h (visibility_error): New inline function.
5302         (relocate_section): Call visibility_error.
5303         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5304         (MOSTLYCLEANFILES): Likewise.
5305         (protected_4_pic.o, protected_3.err): New targets.
5306         * testsuite/protected_4.cc: New file.
5307
5308 2010-01-12  Doug Kwan  <dougkwan@google.com>
5309
5310         * arm.cc (Cortex_a8_reloc): New class.
5311         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5312         and cortex_a8_relocs_info_.
5313         (Target_arm::fix_cortex_a8): New method definition.
5314         (Target_arm::Cortex_a8_relocs_info): New type.
5315         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5316         New data member declarations.
5317         (Target_arm::scan_reloc_for_stub): Record information about
5318         relocations for THUMB branches that might be exempted from the
5319         Cortex-A8 workaround.
5320         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5321         at the beginning of a relaxation pass.
5322
5323 2010-01-12  Doug Kwan  <dougkwan@google.com>
5324
5325         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5326         (Arm_relobj::Mapping_symbol_position,
5327          Arm_reloj::Mapping_symbol_position_less,
5328          Arm_relobj::Mapping_symbols_info): New types.
5329         (Target_arm::is_mapping_symbol_name): New method definition.
5330         (Arm_relobj::do_count_local_symbols): Save information about mapping
5331         symbols.
5332
5333 2010-01-11  Doug Kwan  <dougkwan@google.com>
5334
5335         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5336         Arm_relocate_functions::thumb32_branch_upper,
5337         Arm_relocate_functions::thumb32_branch_lower,
5338         Arm_relocate_functions::thumb32_cond_branch_offset,
5339         Arm_relocate_functions::thumb32_cond_branch_upper,
5340         Arm_relocate_functions::thumb32_cond_branch_lower,
5341         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5342         branch offset encoding.
5343         (Arm_relocate_functions::thumb_branch_common): Use new branch
5344         offset encoding methods to avoid code duplication.
5345         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5346         (Stub_addend_reader::operator()): Use new branch encoding method
5347         to avoid code duplication.
5348
5349 2010-01-11  Doug Kwan  <dougkwan@google.com>
5350
5351         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5352         (Target_arm::do_finalize_sections): Define special EXIDX section
5353         symbols only if referenced.
5354         * gc.h (Garbage_collection::add_reference): New method.
5355         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5356         code duplication.
5357
5358 2010-01-11  Ian Lance Taylor  <iant@google.com>
5359
5360         * script.cc (Version_script_info::build_expression_list_lookup):
5361         Change complaing about duplicate wildcard match from error to
5362         warning.
5363
5364         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5365         of 2009-12-30.
5366         (Version_script_info::Version_script_info): Initialize globs_,
5367         default_version_, default_is_global_, and exact_.  Don't
5368         initialize globals_ or locals_.
5369         (Version_script_info::build_lookup_tables): Build local symbols
5370         first.
5371         (Version_script_info::unquote): New function.
5372         (Version_script_info::add_exact_match): New function.
5373         (Version_script_info::build_expression_list_lookup): Remove lookup
5374         parameter.  Add is_global parameter.  Change all callers.  Handle
5375         wildcard pattern specially.  Unquote pattern.  Call
5376         add_exact_match.
5377         (Version_script_info::get_name_to_match): New function.
5378         (Version_script_info::get_symbol_version): New function.
5379         (Version_script_info::get_symbol_version_helper): Remove.
5380         (Version_script_info::check_unmatched_names): Call unquote.
5381         * script.h (class Version_script_info): Change get_symbol_version
5382         to be non-inline and add is_global parameter; change all callers.
5383         Rewrite symbol_is_local.  Update declarations.  Define struct
5384         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5385         Remove globals_ and locals_ members.  Add exact_, globs_,
5386         default_version_, is_global_.
5387         (Version_script_info::Glob): Remove pattern, add expression and
5388         is_global.  Update constructor.  Change all callers.
5389         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5390         default version.
5391         (Versions::symbol_section_contents): If a symbol is undefined, or
5392         defined in a dynamic object, set the version index to
5393         VER_NDX_LOCAL.
5394         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5395         symbol_is_local.
5396         (Symbol_table::add_from_pluginobj): Likewise.
5397         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5398
5399 2010-01-11  Doug Kwan  <dougkwan@google.com>
5400
5401         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5402         (incremental_dump_LDADD): Add linking option for libintl.
5403         * Makefile.in: Regenerate.
5404
5405 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5406
5407         PR gold/11144
5408         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5409         instead of -Ds.
5410         * testsuite/Makefile.in: Regenerated.
5411
5412 2010-01-10  Doug Kwan  <dougkwan@google.com>
5413
5414         * options.h (DEFINE_var): Use parentheses around argument varname__
5415         in macro body to avoid any unintended subsequent substitutions.
5416
5417 2010-01-10  Ian Lance Taylor  <iant@google.com>
5418
5419         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5420         candidates before doing symbol resolution.
5421
5422         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5423         ODR candidates if only one is weak.
5424
5425 2010-01-08  Ian Lance Taylor  <iant@google.com>
5426
5427         * script.cc (Version_script_info::build_expression_list_lookup):
5428         Don't warn about ambiguous version, just record the ambiguity.
5429         (Version_script_info::get_symbol_version_helper): Give error if
5430         version is ambiguous.
5431
5432 2010-01-08  Doug Kwan  <dougkwan@google.com>
5433
5434         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5435           prev_data_size_ and prev_addralign_.  Remove initializer for
5436           deleted data member has_been_changed_.
5437           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5438           to determine if the table is empty.
5439           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5440           Remove.
5441           (Stub_table::add_reloc_stub): Define method in class definition
5442           instead of just declaring it there.
5443           (Stub_table::add_cortex_a8_stub): New method definition.
5444           (Stub_table::update_data_size_and_addralign): Ditto.
5445           (Stub_table::finalize_stubs): Ditto.
5446           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5447           (Stub_table::do_addralign_): Return address alignment in the
5448           (Stub_table::do_reset_address_and_file_offset): Define method in
5449           class definition instead of declaring it there.  Set current data
5450           size to be the data size of the previous pass.
5451           (Stub_table::set_final_data_size): Use current data size as the
5452           final data size.
5453           (Stub_table::relocate_stub): Change parameter type of stub from
5454           Reloc_stub pointer to Stub pointer.
5455           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5456           (Stub_table::Cortex_a8_stub_list): New typedef.
5457           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5458            Stub_table::prev_addralign_): New data member.
5459           (Arm_relobj::Arm_relobj): Initialize data member
5460           section_has_cortex_a8_workaround_.
5461           (Arm_relobj::section_has_cortex_a8_workaround,
5462            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5463            definitions.
5464           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5465           declarations.
5466           (Target_arm::relocate_stub): Change parameter type of stub from
5467           Reloc_stub pointer to Stub pointer.
5468           (Insn_template::size, Insn_template::alignment): Handle
5469           THUMB16_SPECIAL_TYPE.
5470           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5471            Stub_table::update_data_size_and_addralign,
5472            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5473           definitions.
5474           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5475           (Stub_table::do_write): Ditto.
5476           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5477
5478 2010-01-08  Ian Lance Taylor  <iant@google.com>
5479
5480         PR 11108
5481         * symtab.h (class Symbol): Remove fields is_target_special_ and
5482         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5483         (Symbol::is_defined_in_discarded_section): New function.
5484         (Symbol::set_is_defined_in_discarded_section): New function.
5485         (Symbol::has_plt_offset): Rewrite.
5486         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5487         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5488         Don't initialize is_target_special_ or has_plt_offset_.
5489         Initialize is_defined_in_discarded_section_.
5490         (Symbol_table::add_from_relobj): If appropriate, set
5491         is_defined_in_discarded_section.
5492         * resolve.cc (Symbol::override_base_with_special): Don't test
5493         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5494         * target-reloc.h (relocate_section): Do special handling for
5495         symbols defined in discarded sections for global symbols as well
5496         as local symbols.
5497
5498 2010-01-08  Ian Lance Taylor  <iant@google.com>
5499
5500         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5501         the SHT_SYMTAB case.
5502
5503 2010-01-08  Ian Lance Taylor  <iant@google.com>
5504
5505         * object.cc (Sized_relobj::do_layout): Don't get confused if
5506         layout_eh_frame returns NULL.
5507
5508 2010-01-08  Ian Lance Taylor  <iant@google.com>
5509
5510         PR 11084
5511         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5512         dynamic symbol table, use the normal symbol table.
5513         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5514         symbol table.
5515
5516 2010-01-08  Ian Lance Taylor  <iant@google.com>
5517
5518         PR 11072
5519         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5520         sections.
5521
5522 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5523
5524         * version.cc (print_version): Change to "Copyright 2010".
5525
5526 2010-01-08  Ian Lance Taylor  <iant@google.com>
5527
5528         PR 10287
5529         PR 11063
5530         * i386.cc (class Target_i386): Change return type of plt_section
5531         to be non-const.
5532         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5533         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5534         tls_desc_rel_ field.
5535         (Output_data_plt_i386::rel_tls_desc): New function.
5536         (Target_i386::rel_tls_desc_section): New function.
5537         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5538         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5539         R_386_TLS_DESC reloc in rel_tls_desc_section.
5540         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5541         Define struct Tlsdesc_info.
5542         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5543         (Target_x86_64::do_reloc_symbol_index): New function.
5544         (Target_x86_64::add_tlsdesc_info): New function.
5545         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5546         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5547         tlsdesc_rel_ field.
5548         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5549         all callers.
5550         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5551         (Target_x86_64::rela_tlsdesc_section): New function.
5552         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5553         handling.
5554         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5555         (Target_x86_64::do_reloc_addend): New function.
5556         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5557         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5558         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5559         (Output_reloc::type): New function.
5560         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5561         (Output_reloc::is_target_specific): New function.
5562         (Output_reloc::target_arg): New function.
5563         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5564         absolute relocs and target specific relocs.
5565         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5566         add_target_specific.
5567         (class Output_data_reloc) [SHT_RELA]: Likewise.
5568         * output.cc (Output_reloc::Output_reloc): Add four new versions
5569         for absolute relocs and target specific relocs.
5570         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5571         (Output_reloc::get_symbol_index): Likewise.
5572         (Output_reloc::local_section_offset): Check that local_sym_index_
5573         is not TARGET_CODE or 0.
5574         (Output_reloc::symbol_value): Likewise.
5575         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5576         reloc.
5577         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5578         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5579         functions.
5580         * layout.cc (add_target_dynamic_tags): Use output section for
5581         DT_PLTRELSZ and DT_JMPREL.
5582
5583 2010-01-07  Ian Lance Taylor  <iant@google.com>
5584
5585         PR 11061
5586         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5587         function.
5588         (class Output_data_reloc_generic): Define.
5589         (class Output_data_reloc_base): Change base class to
5590         Output_data_reloc_generic.  Change add() method to call
5591         bump_relative_reloc_count for a relative reloc.  Remove
5592         sort_relocs_ field.
5593         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5594         to sort_relocs().
5595         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5596         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5597         appropriate.
5598         * layout.h (class Layout): Update declaration.
5599
5600 2010-01-07  Ian Lance Taylor  <iant@google.com>
5601
5602         * output.h (class Output_data): Add const version of
5603         output_section and do_output_section.
5604         (class Output_section_data): Add const version of
5605         do_output_section.
5606         (class Output_section): Likewise.
5607         * layout.cc (Layout::add_target_dynamic_tags): New function.
5608         * layout.h (class Layout): Update declarations.
5609         * arm.cc (Target_arm::do_finalize_sections): Use
5610         add_target_dynamic_tags.
5611         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5612         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5613         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5614         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5615
5616 2010-01-07  Ian Lance Taylor  <iant@google.com>
5617
5618         PR 11042
5619         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5620         object as needed.
5621
5622 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5623             Ian Lance Taylor  <iant@google.com>
5624
5625         PR 11019
5626         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5627         Xindex::read_symtab_xindex.
5628
5629 2010-01-07  Doug Kwan  <dougkwan@google.com>
5630
5631         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5632         (Insn_template::thumb16_bcond_insn): New method declaration.
5633         (Insn_template): Fix spelling.
5634         (Stub::thumb16_special): New method declaration.
5635         (Stub::do_write): Define virtual method which was previously pure
5636         virtual.
5637         (Stub::do_thumb16_special): New method declaration.
5638         (Stub::do_fixed_endian_write): New template member.
5639         (Reloc_stub::do_write): Remove.
5640         (Reloc_stub::do_fixed_endian_write): Remove.
5641         (Cortex_a8_stub): New class definition.
5642         (Stub_factory::make_cortex_a8_stub): New method definition.
5643         (Stub_factory::Stub_factory): Add missing static storage class
5644         qualifier for elf32_arm_stub_a8_veneer_blx.
5645
5646 2010-01-07  Ian Lance Taylor  <iant@google.com>
5647
5648         PR 10980
5649         * options.h (class General_options): Add --warn-unresolved-symbols
5650         and --error-unresolved-symbols.
5651         * errors.cc (Errors::undefined_symbol): Implement
5652         --warn-unresolved-symbols.
5653
5654         * options.h (class General_options): Add -z text and -z textoff.
5655         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5656
5657 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5658
5659         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5660         (Garbage_collection::cident_sections): New function.
5661         (Garbage_collection::add_cident_section): New function.
5662         (Garbage_collection::cident_sections_): New member.
5663         (gc_process_relocs): Add references to sections whose names are C
5664         identifiers.
5665         * gold.h (cident_section_start_prefix): New constant.
5666         (cident_section_stop_prefix): New constant.
5667         (is_cident): New function.
5668         * layout.cc (Layout::define_section_symbols): Replace string constants
5669         with the newly defined constants.
5670         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5671         C identifiers.
5672         * testsuite/Makefile.am: Add gc_orphan_section_test.
5673         * testsuite/Makefile.in: Regenerate.
5674         * testsuite/gc_orphan_section_test.cc: New file.
5675         * testsuite/gc_orphan_section_test.sh: New file.
5676
5677 2010-01-06  Ian Lance Taylor  <iant@google.com>
5678
5679         PR 10980
5680         * options.h (class General_options): Add --warn-shared-textrel.
5681         * layout.cc (Layout::finish_dynamic_section): Implement
5682         --warn-shared-textrel.
5683
5684         PR 10980
5685         * options.h (class General_options): Add --warn-multiple-gp.
5686
5687 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5688
5689         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5690         $(THREADSLIB) and $(LIBDL).
5691         * Makefile.in: Rebuild.
5692
5693 2010-01-06  Ian Lance Taylor  <iant@google.com>
5694
5695         PR 10980
5696         * options.cc (General_options::parse_section_start): New function.
5697         (General_options::section_start): New function.
5698         (General_options::General_options): Initialize all members.
5699         * options.h: Include <map>
5700         (class General_options): Add --section-start.  Add section_starts_
5701         member.
5702         * layout.cc (Layout::attach_allocated_section_to_segment): If
5703         --section-start was used, set the address of the segment.  Remove
5704         local sort_sections.
5705         (Layout::relaxation_loop_body): If the address of the load segment
5706         has been set by --section-start, don't use it.
5707         * output.h (Output_segment::update_flags_for_output_section): New
5708         function.
5709         * output.cc (Output_segment::add_output_section): Call
5710         update_flags_for_output_section.
5711
5712 2010-01-05  Ian Lance Taylor  <iant@google.com>
5713
5714         PR 10980
5715         * options.h (class General_options): Add --undefined-version.
5716         * script.cc (struct Version_expression): Add was_matched_by_symbol
5717         field.
5718         (Version_script_info::matched_symbol): New function.
5719         (Version_script_info::get_symbol_version_helper): Call
5720         matched_symbol.
5721         (Version_script_info::check_unmatched_names): New function.
5722         * script.h (class Version_script_info): Update declarations.
5723         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5724
5725         * options.h (class General_options): Use DEFINE_bool_alias for
5726         allow_multiple_definition.
5727         * resolve.cc (Symbol_table::should_override): Don't test
5728         allow_multiple_definition.
5729
5730         PR 10980
5731         * options.h (class General_options): Add --cref.
5732         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5733         until after printing cref table.
5734         * cref.cc: Include "symtab.h".
5735         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5736         (Cref_table_compare::operator()): New function.
5737         (Cref_inputs::gather_cref): New function.
5738         (filecol): New static const.
5739         (Cref_inputs::print_cref): New function.
5740         (Cref::print_cref): New function.
5741         * cref.h: Include <cstdio>.
5742         (class Cref): Update declarations.
5743         * mapfile.h (Mapfile::file): New function.
5744         * object.h (class Object): Define Symbols.  Declare virtual
5745         do_get_global_symbols.
5746         (Object::get_global_symbols): New function.
5747         * object.cc (Input_objects::add_object): Pass object to cref_ if
5748         --cref.
5749         (Input_objects::archive_start): Likewise.
5750         (Input_objects::archive_stop): Likewise.
5751         (Input_objects::print_cref): New function.
5752         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5753         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5754         --cref.
5755         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5756         function.
5757         * plugin.h (class Sized_pluginobj): Update declarations.
5758
5759 2010-01-05  Ian Lance Taylor  <iant@google.com>
5760
5761         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5762         to is_default_version.  Rename insdef to insdefault.
5763         (Symbol_table::add_from_relobj): Rename def to is_default_version
5764         and local to is_forced_local.
5765         (Symbol_table::add_from_pluginobj): Likewise.
5766         (Symbol_table::add_from_dynobj): Likewise.
5767         (Symbol_table::define_special_symbol): Rename insdef to
5768         insdefault.
5769
5770 2010-01-04  Ian Lance Taylor  <iant@google.com>
5771
5772         PR 10980
5773         * options.h (class General_options): Add
5774         --allow-multiple-definition and -z muldefs.
5775         * resolve.cc (Symbol_table::should_override): Don't warn about a
5776         multiple symbol definition if --allow-multiple-definition or -z
5777         muldefs.
5778
5779         PR 10980
5780         * options.h (class General_options): Add --add-needed and
5781         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5782         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5783         error if --copy-dt-needed-entries aka --add-needed is used and
5784         would cause a change in behaviour.
5785
5786         PR 10980
5787         * options.h (class General_options): Add -G as a short version of
5788         --shared.  Add no-op options -assert, -g, and -i.
5789
5790 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5791
5792         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5793         check for .text or .gnu.linkonce.t sections.
5794         * icf.cc (Icf::find_identical_sections): Ditto.
5795         Change the detection for mangled function name within the section
5796         name.
5797         * icf.h (is_section_foldable_candidate): New function.
5798
5799 2009-12-30  Ian Lance Taylor  <iant@google.com>
5800
5801         PR 10980
5802         * options.h (class General_options): Permit two dashes with
5803         --retain-symbols-file.
5804
5805 2009-12-30  Ian Lance Taylor  <iant@google.com>
5806
5807         PR 10979
5808         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5809         don't put the file header and segment headers in the text
5810         segment.
5811
5812         PR 10979
5813         * common.cc (Sort_commons::operator()): Stabilize sort when both
5814         entries are NULL.
5815         (Symbol_table::do_allocate_commons_list): When allocating common
5816         symbols, skip a symbol which is no longer common.
5817         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5818         an object before checking its type.
5819         * testsuite/common_test_2.c: New file.
5820         * testsuite/common_test_3.c: New file.
5821         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5822         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5823         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5824         (common_test_2_pic.o, common_test_2.so): New targets.
5825         (common_test_3_pic.o, common_test_3.so): New targets.
5826         * testsuite/Makefile.in: Rebuild.
5827
5828         PR 10979
5829         * script.cc (read_input_script): If we see a new SECTIONS clause,
5830         and we have added an input section, give an error.
5831         * layout.h (class Layout): Add have_added_input_section function.
5832         Add have_added_input_section_ field.
5833         * layout.cc (Layout::Layout): Initialize
5834         have_added_input_section_.
5835         (Layout::layout): Set have_added_input_section_.
5836         (Layout::layout_eh_frame): Likewise.
5837
5838 2009-12-30  Ian Lance Taylor  <iant@google.com>
5839
5840         PR 10931
5841         * options.h (class General_options): Add --sort-common option.
5842         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5843         * common.cc (Sort_common): Add sort_order parameter to
5844         constructor.  Add sort_order_ field.
5845         (Sort_commons::operator): Check sort_order_.
5846         (Symbol_table::allocate_commons): Determine the sort order.
5847         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5848         Change all callers.
5849         (Symbol_table::do_allocate_commons_list): Likewise.
5850
5851 2009-12-30  Ian Lance Taylor  <iant@google.com>
5852
5853         PR 10916
5854         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5855         symbols from this object, don't change the visibility of an
5856         undefined symbol.
5857         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5858
5859 2009-12-30  Ian Lance Taylor  <iant@google.com>
5860
5861         PR 10861
5862         * script.h (class Version_script_info): Define Language enum.
5863         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5864         new fields globals_, locals_, and is_finalized_.
5865         * script.cc: Various formatting fixes.
5866         (class Parser_closure): Change language_stack_ from a vector of
5867         std::string to one of Version_script_info::Language.  Adjust all
5868         uses accordingly.
5869         (class Lazy_demangler): Remove.
5870         (struct Version_expression): Change language from std::string to
5871         Version_script_info::Language.
5872         (Version_script_info::Version_script_info): New function.
5873         (Version_script_info::~Version_script_info): Don't call clear.
5874         (Version_script_info::finalize): New function.
5875         (Version_script_info::build_lookup_tables): New function.
5876         (Version_script_info::build_expression_list_lookup): New
5877         function.
5878         (Version_script_info::get_symbol_version_helper): Rewrite to use
5879         lookup tables.
5880         (Version_script_info::print_expression_list): Adjust to use
5881         Version_script_info::Language.
5882         (script_push_lex_into_version_mode): Check that the version script
5883         has not been finalized.
5884         (version_script_push_lang): Change language string to
5885         Version_script_info::Language.
5886         * options.cc (Command_line::version_script): New function.
5887         * options.h (class General_options): Add finalize_dynamic_list
5888         function.  Change version_script from declaration to definition.
5889         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5890         * testsuite/version_script.map: Remove duplicate def of foo.
5891         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5892         version_script.map.
5893         * testsuite/Makefile.in: Rebuild.
5894
5895 2009-12-30  Ian Lance Taylor  <iant@google.com>
5896
5897         PR 10843
5898         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5899         if the input symbol index is 0, make the output symbol index 0.
5900
5901 2009-12-30  Ian Lance Taylor  <iant@google.com>
5902
5903         PR 10670
5904         * options.h (class General_options): Add -x/--discard-all.
5905         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5906         --discard-all.  If the local symbol needs a dynamic entry, check
5907         that before handling --discard-locals.
5908
5909 2009-12-30  Ian Lance Taylor  <iant@google.com>
5910
5911         PR 10450
5912         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5913         flags to PF_R.
5914         (Output_segment::add_output_section): Don't change the flags if
5915         the type is PT_TLS.
5916
5917         PR 10450
5918         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5919         GNU hash table if they need a dynamic value.  Otherwise, don't add
5920         them if they are defined in a dynamic object or are forced local.
5921
5922 2009-12-29  Ian Lance Taylor  <iant@google.com>
5923
5924         PR 10450
5925         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5926         .gnu.hash table for a 32-bit target.
5927
5928         PR 10450
5929         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5930         regular and a dynamic object only needs a dynamic symbol table
5931         entry if it is externally visible.
5932
5933         PR 10450
5934         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5935         constructor.  Add global_offset_table_ field.
5936         (Target_i386::got_section): Set global_offset_table_.
5937         (Target_i386::do_finalize_sections): Set global_offset_table_
5938         size.
5939         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5940         in constructor.  Add global_offset_table_ field.
5941         (Target_x86_64::got_section): Set global_offset_table_.
5942         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5943         size.
5944
5945         * layout.cc (Layout::Layout): Initialize increase_relro_.
5946         (Layout::get_output_section): Add is_relro, is_last_relro, and
5947         is_first_non_relro parameters.  Change all callers.
5948         (Layout::choose_output_section): Likewise.
5949         (Layout::add_output_section_data): Likewise.
5950         (Layout::make_output_section): Likewise.
5951         (Layout::set_segment_offsets): Clear increase_relro when using a
5952         linker script.
5953         * layout.h (class Layout): Add increase_relro method.  Add
5954         increase_relro_ field.  Update declarations.
5955         * output.cc (Output_section::Output_section): Initialize
5956         is_last_relro_ and is_first_non_relro_.
5957         (Output_segment::add_output_section): Group relro sections is
5958         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5959         (Output_segment::maximum_alignment): Remove relro handling.
5960         (Output_segment::set_section_addresses): Add increase_relro
5961         parameter.  Change all callers.  Add initial alignment to align
5962         relro sections on separate page.  Remove old relro handling.
5963         (Output_segment::set_section_list_addresses): Remove in_relro
5964         parameter.  Change all callers.
5965         (Output_segment::set_offset): Add increase parameter.  Change all
5966         callers.  Remove old relro handling.
5967         * output.h (class Output_section): Add new methods: is_last_relro,
5968         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5969         Add is_last_relro_ and is_first_non_relro_ fields.
5970         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5971         Create separate .got.plt section.  Call increase_relro.
5972         * x86_64.cc (Target_x86_64::got_section): Likewise.
5973         * testsuite/relro_script_test.t: Add .got.plt.
5974
5975         PR 10450
5976         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5977         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5978         (Layout::finalize): Call set_dynamic_symbol_size.
5979         (Layout::set_dynamic_symbol_size): New function.
5980         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5981         set_dynamic_symbol_size.
5982
5983         PR 10450
5984         * output.h (class Output_section): Add is_entsize_zero_ field.
5985         * output.cc (Output_section::Output_section): Initialize
5986         is_entsize_zero_.
5987         (Output_section::set_entsize): If two different entsizes are
5988         requested, force it to zero.
5989         (Output_section::add_input_section): Set flags for .debug_str
5990         before updating section flags.  Set entsize.
5991         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5992         and SHF_STRING if all input sections have those flags.
5993
5994 2009-12-29   Rafael Espindola  <espindola@google.com>
5995
5996         * main.cc (main): Fix the sys time reporting.
5997         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5998         reporting.
5999
6000 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6001
6002         * options.cc (General_options::parse_version): Allow -v to exit
6003         without an error if there is nothing to link.
6004
6005 2009-12-29  Ian Lance Taylor  <iant@google.com>
6006
6007         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6008         using a version of gcc before 4.1.
6009         * configure: Rebuild.
6010
6011 2009-12-28  Chris Demetriou  <cgd@google.com>
6012
6013         * attributes.cc (Output_attributes_section_data::do_write): Use
6014         std::vector::front rather than std::vector::data.
6015
6016 2009-12-28  Ian Lance Taylor  <iant@google.com>
6017
6018         * symtab.h (class Symbol_table): Add enum Defined.
6019         * resolve.cc (Symbol_table::should_override): Add defined
6020         parameter.  Change all callers.  Test whether object is NULL
6021         before calling a method on it.
6022         (Symbol_table::report_resolve_problem): Add defined parameter.
6023         Change all callers.
6024         (Symbol_table::should_override_with_special): Likewise.
6025         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6026         parameter.  Change all callers.
6027         (Symbol_table::do_define_in_output_data): Likewise.
6028         (Symbol_table::define_in_output_segment): Likewise.
6029         (Symbol_table::do_define_in_output_segment): Likewise.
6030         (Symbol_table::define_as_constant): Likewise.
6031         (Symbol_table::do_define_as_constant): Likewise.
6032         * script.h (class Symbol_assignment): Add is_defsym parameter to
6033         constructor; change all callers.
6034         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6035         parameter.  Change all callers.  Add is_defsym_ field.
6036         (class Parser_closure): Add parsing_defsym parameter to
6037         constructor; change all callers.  Add parsing_defsym accessor
6038         function.  Add parsing_defsym_ field.
6039
6040 2009-12-28  Ian Lance Taylor  <iant@google.com>
6041
6042         * gold.cc (queue_middle_tasks): Fix formatting.
6043         * object.cc (Relobj::is_section_name_included): Likewise.
6044
6045 2009-12-23  Ian Lance Taylor  <iant@google.com>
6046
6047         * i386.cc (Target_i386::do_calls_non_split): Recognize
6048         -fsplit-stack prologue for a function with a static chain.
6049         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6050         -fsplit-stack prologue when using %r11.
6051
6052 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6053
6054         * options.cc (General_options::parse_version): Make -v continue and do
6055         the link like GNU ld does.
6056
6057 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6058
6059         * Makefile.am (CCFILES): Add timer.cc.
6060         (HFILES): Add timer.h.
6061         * configure.ac: Check for sysconf and times.
6062         * main.cc: include timer.h.
6063         (main): Use Timer instead of get_run_time.
6064         * timer.cc: New.
6065         * timer.h: New.
6066         * workqueue.cc: include timer.h.
6067         (Workqueue::find_and_run_task):
6068         Report user, sys and wall time.
6069         * Makefile.in: Regenerate.
6070         * config.in: Regenerate.
6071         * configure: Regenerate.
6072
6073 2009-12-16  Doug Kwan  <dougkwan@google.com>
6074
6075         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6076         sections.
6077         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6078         relaxed input sections.
6079         * output.cc (Output_section::find_relaxed_input_section): Change
6080         return type to Output_relaxed_input_section pointer.  Adjust code
6081         for new type of relaxed_input_section_map_.
6082         * output.h (Output_section::find_relaxed_input_section): Change
6083         return type to Output_relaxed_input_section pointer.
6084         (Output_section::Output_relaxed_input_section_by_input_section_map):
6085         New type.
6086         (Output_section::relaxed_input_section_map_): Change type to
6087         Output_section::Output_relaxed_input_section_by_input_section_map.
6088         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6089         input section.
6090
6091 2009-12-15  Ian Lance Taylor  <iant@google.com>
6092
6093         * layout.cc (Layout::create_shstrtab): Only write out after input
6094         sections if we are compressing debug sections.
6095
6096 2009-12-15  Ian Lance Taylor  <iant@google.com>
6097
6098         * archive.cc (Archive::add_symbols): Only look up a symbol without
6099         a version if there is, in fact, a version.
6100
6101 2009-12-14  Ian Lance Taylor  <iant@google.com>
6102
6103         Revert -Wshadow changes, all changes from:
6104         2009-12-11  Doug Kwan  <dougkwan@google.com>
6105         2009-12-11  Nick Clifton  <nickc@redhat.com>
6106         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6107
6108 2009-12-11  Doug Kwan  <dougkwan@google.com>
6109
6110         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6111         due to -Wshadow.
6112         * attributes.cc (Object_attribute::size): Ditto.
6113         (Attributes_section_data::size): Ditto.
6114         (Attributes_section_data::Attributes_section_data): Ditto.
6115         (Output_attributes_section_data::do_write): Ditto.
6116         * attributes.h (Object_attribute::set_type): Ditto.
6117         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6118
6119 2009-12-11  Nick Clifton  <nickc@redhat.com>
6120
6121         * archive.cc: Fix shadowed variable warnings.
6122         * arm.cc: Likewise.
6123         * compressed_output.cc: Likewise.
6124         * compressed_output.h: Likewise.
6125         * configure: Likewise.
6126         * dwarf_reader.cc: Likewise.
6127         * dynobj.cc: Likewise.
6128         * dynobj.h: Likewise.
6129         * ehframe.cc: Likewise.
6130         * ehframe.h: Likewise.
6131         * errors.cc: Likewise.
6132         * expression.cc: Likewise.
6133         * fileread.cc: Likewise.
6134         * fileread.h: Likewise.
6135         * freebsd.h: Likewise.
6136         * i386.cc: Likewise.
6137         * icf.cc: Likewise.
6138         * incremental.h: Likewise.
6139         * layout.cc: Likewise.
6140         * layout.h: Likewise.
6141         * mapfile.cc: Likewise.
6142         * merge.cc: Likewise.
6143         * merge.h: Likewise.
6144         * object.cc: Likewise.
6145         * object.h: Likewise.
6146         * options.h: Likewise.
6147         * output.cc: Likewise.
6148         * output.h: Likewise.
6149         * parameters.cc: Likewise.
6150         * plugin.cc: Likewise.
6151         * powerpc.cc: Likewise.
6152         * reduced_debug_output.cc: Likewise.
6153         * reduced_debug_output.h: Likewise.
6154         * reloc.cc: Likewise.
6155         * reloc.h: Likewise.
6156         * resolve.cc: Likewise.
6157         * script-sections.cc: Likewise.
6158         * script.cc: Likewise.
6159         * script.h: Likewise.
6160         * sparc.cc: Likewise.
6161         * symtab.cc: Likewise.
6162         * symtab.h: Likewise.
6163         * target-select.cc: Likewise.
6164         * target-select.h: Likewise.
6165         * token.h: Likewise.
6166         * workqueue.cc: Likewise.
6167         * workqueue.h: Likewise.
6168         * x86_64.cc: Likewise.
6169
6170 2009-12-10  Doug Kwan  <dougkwan@google.com>
6171
6172         * arm.cc (attributes.h): New include.
6173         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6174         (Arm_relobj::~Arm_relobj): Delete object pointed by
6175         attributes_section_data_.
6176         (Arm_relobj::attributes_section_data): New method definition.
6177         (Arm_relobj::attributes_section_data_): New data member declaration.
6178         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6179         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6180         attributes_section_data_.
6181         (Arm_dynobj::attributes_section_data): New method definition.
6182         (Arm_dynobj::attributes_section_data_): New data member declaration.
6183         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6184         initialization value of may_use_blx_ to false.
6185         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6186         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6187         object attributes to compute results instead of hard-coding.
6188         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
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         New method declarations.
6194         (Target_arm::get_aeabi_object_attribute): New method definition.
6195         (Target_arm::attributes_section_data_): New data member declaration.
6196         (read_arm_attributes_section): New template definition.
6197         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6198         (Arm_dynobj::do_read_symbols): Ditto.
6199         (Target_arm::do_finalize_sections): Merge attributes sections from
6200         input.  Check for BLX use after attributes section merging.
6201         Fix __exidx_start and __exidx_end visibility.  Create an
6202         .ARM.attributes section if necessary.
6203         (Target_arm::get_secondary_compatible_arch,
6204         Target_arm::set_secondary_compatible_arch,
6205         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6206         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6207         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6208         New method definitions.
6209
6210 2009-12-09  Ian Lance Taylor  <iant@google.com>
6211
6212         * plugin.cc (Plugin::load): Don't cast from void* to a function
6213         pointer.
6214
6215 2009-12-09  Ian Lance Taylor  <iant@google.com>
6216
6217         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6218         information fields.
6219
6220 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6221
6222         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6223         Replace two_file_shared_1.so with two_file_shared_2.so.
6224         * testsuite/Makefile.in: Regenerated.
6225
6226 2009-12-08  Doug Kwan  <dougkwan@google.com>
6227
6228         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6229         (HFILES): Add attributes.h and int_encoding.h.
6230         * Makefile.in: Regenerate.
6231         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6232         function definitions to int_encoding.cc
6233         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6234         prototypes to int_encoding.h
6235         * reduced_debug_output.cc (int_encoding.h): New include.
6236         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6237         function definitions to int_encoding.cc
6238         (insert_into_vector, read_from_pointer): Move template definitions to
6239         int_encoding.h
6240         * attributes.cc: New file.
6241         * attributes.h: New file.
6242         * int_encoding.cc: New file.
6243         * int_encoding.h: New file.
6244
6245 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6246
6247         PR gold/11055
6248         * incremental-dump.cc (dump_incremental_inputs): New.
6249         (main): Use dump_incremental_inputs.
6250
6251 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6252
6253         PR gold/10893
6254         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6255         checking elfcpp::STT_FUNC.
6256         (Target_i386::Relocate::relocate): Likewise.
6257         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6258
6259         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6260         symbols from shared libraries into normal FUNC symbols.
6261
6262         * symtab.h (Symbol): Add is_func and use it.
6263
6264 2009-12-05  Doug Kwan  <dougkwan@google.com>
6265
6266         * arm.cc (Target_arm::arm_info): Initialize new fields
6267         attributes_section and attributes_vendor.
6268         * i386.cc (Target_i386::i386_info): Same.
6269         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6270         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6271         fields attributes_section and attributes_vendor.
6272         * sparc.cc (Target_sparc::sparc_info): Same.
6273         * target.h (Target::attributes_section, Target::attributes_vendor,
6274         Target::is_attributes_section, Target::attribute_arg_type,
6275         Target::attributes_order): New method definitions.
6276         (Target::Target_info::attributes_section,
6277         Target::Target_info::attributes_vendor): New fields.
6278         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6279         virtual method definitions.
6280         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6281         attributes_section and attributes_vendor.
6282         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6283
6284 2009-12-05  Doug Kwan  <dougkwan@google.com>
6285
6286         * arm.cc: Update comments about interworking and stub generation.
6287         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6288         considered as non-PIC.
6289         (Arm_relocate_functions::base_abs): Fix formatting.
6290         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6291         of function to use GOT entry address instead of offset.
6292         (Target_arm::Scan::global): Issue an error if a symbol would need a
6293         PLT does not get one because it is untyped.  Remove code to create
6294         dynamic symbols for relative branches.
6295         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6296         takes unsigned integer instead of boolean.
6297
6298 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6299
6300         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6301         (two_file_test_LDADD): Likewise.
6302         (common_test_1_LDADD): Likewise.
6303         (exception_test_LDADD) Likewise.
6304         (weak_test_LDADD): Likewise.
6305         (many_sections_test_LDADD): Likewise.
6306         (initpri1_LDADD): Likewise.
6307         (script_test_1_LDADD): Likewise.
6308         (script_test_2_LDADD): Likewise.
6309         (justsyms_LDADD): Likewise.
6310         (binary_test_LDADD): Likewise.
6311         (large_LDADD): Likewise.
6312         * testsuite/Makefile.in: Regenerated.
6313
6314 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6315
6316         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6317         (Symbol_table::override_with_special): Likewise.
6318         (Symbol_table::add_from_object): Likewise.
6319
6320 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6321
6322         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6323         Don't set the data_offset twice.
6324
6325 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6326
6327         * testsuite/Makefile.in: Regenerate.
6328
6329 2009-12-03  Doug Kwan  <dougkwan@google.com>
6330
6331         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6332         (Target_arm::do_finalize_sections): Add parameter for symbol table
6333         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6334         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6335         parameter for symbol table pointer.
6336         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6337         an additional parameter for a pointer to symbol table.
6338         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6339         parameter for a symbol table pointer.
6340         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6341         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6342         Ditto.
6343         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6344         parameter for a symbol table pointer.
6345
6346 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6347
6348         * incremental.cc (Incremental_inputs_header)
6349         (Incremental_inputs_header_write, Incremental_inputs_entry)
6350         (Incremental_inputs_entry_write): Move ...
6351         * incremental.h (Incremental_inputs_header)
6352         (Incremental_inputs_header_write, Incremental_inputs_entry)
6353         (Incremental_inputs_entry_write): here.
6354
6355 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6356
6357         * incremental.cc (make_sized_incremental_binary): Set the target.
6358         Error if it is incompatible.
6359         * output.h (Output_file): Add filename method.
6360
6361 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6362
6363         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6364         from the get_* methods.
6365
6366 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6367
6368         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6369         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6370         Write 0 for the data_offset of scripts.
6371
6372 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6373
6374         * testsuite/Makefile.am: Add the incremental_test.sh test.
6375         * testsuite/incremental_test.sh: New.
6376         * testsuite/incremental_test_1.c: New.
6377         * testsuite/incremental_test_2.c: New.
6378
6379 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6380
6381        * incremental-dump.cc (main): Fix typos.
6382
6383 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6384
6385         PR gold/11025
6386         * incremental-dump.cc (main): Use llu to print 64 bit values.
6387
6388 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6389             H.J. Lu  <hongjiu.lu@intel.com>
6390
6391         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6392         $(LIBDL).
6393         (incremental_dump_LDADD): Likewise.
6394         * Makefile.in: Regenerated.
6395
6396 2009-11-25  Doug Kwan  <dougkwan@google.com>
6397
6398         Revert:
6399
6400         2009-11-25  Doug Kwan  <dougkwan@google.com>
6401
6402                 * arm.cc (Target_arm::Target_arm): Move method definition
6403                 outside of class definition.  Add code to handle
6404                 --target1-rel, --target1-abs and --target2= options.
6405                 (Target_arm::get_reloc_reloc_type): Change method to be
6406                 non-static and const.
6407                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6408                 New data member declaration.
6409                 (Target_arm::Scan::local, Target_arm::Scan::global,
6410                 Target_arm::Relocate::relocate,
6411                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6412                 Adjust call to Target_arm::get_real_reloc_type.
6413                 (Target_arm::get_real_reloc_type): Use command line options
6414                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6415                 * options.h (--target1-rel, --target1-abs, --target2): New
6416                 ARM-only options.
6417
6418 2009-11-25  Doug Kwan  <dougkwan@google.com>
6419
6420         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6421         class definition.  Add code to handle --target1-rel, --target1-abs
6422         and --target2= options.
6423         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6424         and const.
6425         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6426         member declaration.
6427         (Target_arm::Scan::local, Target_arm::Scan::global,
6428         Target_arm::Relocate::relocate,
6429         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6430         call to Target_arm::get_real_reloc_type.
6431         (Target_arm::get_real_reloc_type): Use command line options to
6432         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6433         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6434         options.
6435
6436 2009-11-25  Doug Kwan  <dougkwan@google.com>
6437
6438         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6439         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6440         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6441         formatting.
6442         (Arm_relocate_functions::thm_call): Replace body with a call to
6443         Arm_relocate_functions::thumb_branch_common.
6444         (Arm_relocate_functions::thm_jump24,
6445         Arm_relocate_functions::thm_xpc22): New method definitions.
6446         (Arm_relocate_functions::thumb_branch_common): New method definition.
6447         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6448         operator.
6449         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6450         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6451
6452 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6453
6454         * Makefile.am: Build incremental-dump
6455         * Makefile.in: Regenerate.
6456         * incremental-dump.cc: New.
6457         * incremental.cc (Incremental_inputs_header_data,
6458         Incremental_inputs_entry_data): Move to incremental.h
6459         * incremental.h: (Incremental_inputs_header_data,
6460         Incremental_inputs_entry_data): Move from incremental.cc
6461
6462 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6463
6464         * incremental.cc (Incremental_inputs_header,
6465         Incremental_inputs_header_write, Incremental_inputs_entry,
6466         Incremental_inputs_entry_write): Add a typedef with the data type.
6467
6468 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6469
6470         * incremental.cc (Incremental_inputs_header,
6471         Incremental_inputs_header_write, Incremental_inputs_entry,
6472         Incremental_inputs_entry_write): Update comment about which
6473         type has the filed descriptions.
6474
6475 2009-11-15  Doug Kwan  <dougkwan@google.com>
6476
6477         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6478         (Arm_relocate_functions::arm_branch_common): Change method defintion
6479         in class definition to a method declaration and update list of formal
6480         parameters.
6481         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6482         Arm_relocation_functions::jump24): Adjust call to
6483         Arm_relocate_functions::arm_branch_common.  Update list of formal
6484         parameters.
6485         (Arm_relocate_functions::xpc25): New method definition.
6486         (Arm_relocate_functions::arm_branch_common): Move method defintion
6487         out from class definition.  Use stubs for mode-switching and extending
6488         branch ranges.
6489         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6490         specially.  Change code to enable use of stubs in ARM branches.
6491
6492 2009-11-10  Doug Kwan  <dougkwan@google.com>
6493
6494         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6495         in method declaration.
6496         (Target_arm::relocate_stub): New method declaration.
6497         (Target_arm::default_target): Change to return a pointer instead of
6498         a const reference.
6499         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6500         Target_arm::default_target.
6501         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6502         method definition.
6503         (Target_arm::relocate_section): Adjust view.
6504         (Target_arm::relocate_stub): New method definition.
6505
6506 2009-11-10  Doug Kwan  <dougkwan@google.com>
6507
6508         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6509         a format warning.
6510         * incremental.cc (open_incremental_binary): Initialized local
6511         variables to avoid warnings.
6512         * object.cc (make_elf_object): Ditto.
6513         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6514         a format warning.
6515
6516 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6517
6518         PR gold/10930
6519         * testsuite/plugin_test.c: Include "config.h".
6520
6521 2009-11-09  Doug Kwan  <dougkwan@google.com>
6522
6523         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6524         (arm_symbol_value): Remove.
6525         (Arm_relocate_functions::arm_branch_common,
6526         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6527         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6528         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6529         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6530         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6531         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6532         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6533         Arm_relocate_functions::thm_mobw_abs_nc,
6534         Arm_relocate_functions::thm_mov_abs,
6535         Arm_relocate_functions::movw_prel_nc,
6536         Arm_relocate_functions::thm_movt_abs,
6537         Arm_relocate_functions::movt_prel,
6538         Arm_relocate_functions::thm_movw_prel_nc,
6539         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6540         (Target_arm::Relocate::relocate): Only decompose address into two
6541         parts if relocation type uses the thumb-bit and pass the actual
6542         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6543         calls to methods in Arm_relocate_functions for this change.
6544
6545 2009-11-08  Ian Lance Taylor  <iant@google.com>
6546
6547         PR 10925
6548         * reloc.cc: Instantiate
6549         Sized_relobj::initialize_input_to_output_maps and
6550         Sized_relobj:free_input_to_output_maps.
6551
6552 2009-11-06  Ian Lance Taylor  <iant@google.com>
6553
6554         PR 10876
6555         * defstd.cc (in_segment): Set only_if_ref true for "end".
6556
6557 2009-11-06  Doug Kwan  <dougkwan@google.com>
6558
6559         * arm.cc (class Reloc_stub): Correct a comment.
6560         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6561         (Target_arm::scan_section_for_stubs): New method declaration.
6562         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6563         Change methods from private to protected.
6564         (Target_arm::do_may_relax): New method definition.
6565         (Target_arm::do_relax, Target_arm::group_sections,
6566         Target_arm::scan_reloc_for_stub,
6567         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6568         (Target_arm::arm_input_section_map_): New data member declaration.
6569         (Target_arm::scan_reloc_for_stub,
6570         Target_arm::scan_reloc_section_for_stubs,
6571         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6572         Target_arm::do_relax): New method definitions.
6573
6574 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6575
6576         * configure.ac: Check for (struct stat)::st_mtim
6577         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6578         * config.in: Regenerate.
6579         * configure: Regenerate.
6580
6581 2009-11-05  Ian Lance Taylor  <iant@google.com>
6582
6583         PR 10910
6584         * output.cc (Output_segment::add_output_section): Add missing
6585         return statement.
6586
6587 2009-11-04  Ian Lance Taylor  <iant@google.com>
6588
6589         PR 10880
6590         * object.h (class Object): Add is_needed and set_is_needed
6591         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6592         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6593         defined in a dynamic object and referenced by a regular object,
6594         set is_needed for the dynamic object.
6595         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6596         if the file is marked with as_needed and it is not needed.
6597
6598 2009-11-04  Ian Lance Taylor  <iant@google.com>
6599
6600         PR 10887
6601         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6602         tags if data is discarded by linker script.
6603         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6604         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6605         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6606         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6607
6608 2009-11-04  Ian Lance Taylor  <iant@google.com>
6609
6610         * layout.cc (Layout::get_output_section): Add is_interp and
6611         is_dynamic_linker_section parameters.  Change all callers.
6612         (Layout::choose_output_section): Likewise.
6613         (Layout::make_output_section): Likewise.
6614         (Layout::add_output_section_data): Add is_dynamic_linker_section
6615         parameter.  Change all callers.
6616         * layout.h (class Layout): Update declarations.
6617         * output.h (class Output_section): Add is_interp, set_is_interp,
6618         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6619         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6620         generate_code_fills_at_write_ to a bitfield.
6621         * output.cc (Output_section::Output_sections): Initialize new
6622         fields.
6623         (Output_segment::add_output_section): Add do_sort parameter.
6624         Change all callers.
6625
6626 2009-11-03  Ian Lance Taylor  <iant@google.com>
6627
6628         PR 10860
6629         * options.h (class General_options): Add --warn-common.
6630         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6631         merging two common symbols.
6632         (Symbol_table::should_override): Handle --warn-common when merging
6633         a common symbol with a defined symbol.  Use report_resolve_problem
6634         for multiple definitions.
6635         (Symbol_table::report_resolve_problem): New function.
6636         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6637
6638 2009-11-03  Doug Kwan  <dougkwan@google.com>
6639
6640         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6641         stub_factory_.
6642         (Target_arm::stub_factory): New method definition.
6643         (Target_arm::new_arm_input_section,
6644         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6645         Target_arm::reloc_uses_thumb_bit): New method declarations.
6646         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6647         New type definitions.
6648         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6649         member declarations.
6650         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6651         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6652         New method definitions.
6653
6654 2009-11-03  Ian Lance Taylor  <iant@google.com>
6655
6656         * options.h (class General_options): Add --warn_constructors.
6657
6658 2009-11-03  Ian Lance Taylor  <iant@google.com>
6659
6660         PR 10893
6661         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6662         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6663
6664 2009-11-03  Ian Lance Taylor  <iant@google.com>
6665
6666         PR 10895
6667         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6668         --msgid-bugs-address.
6669         (install-pdf): New target.
6670         (install-data_yes): Look up one directory to find mkinstalldirs.
6671
6672 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6673
6674         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6675         tree.
6676
6677 2009-10-30  Doug Kwan  <dougkwan@google.com>
6678
6679         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6680
6681 2009-10-30  Doug Kwan  <dougkwan@google.com>
6682
6683         * arm.cc (Stub_addend_reader): New struct template definition
6684         and partial specializations.
6685         (Stub_addend_reader::operator()): New method definition for a
6686         partially specialized template.
6687
6688 2009-10-30  Doug Kwan  <dougkwan@google.com>
6689
6690         * arm.cc (Arm_relobj::processor_specific_flags): New method
6691         definition.
6692         (Arm_relobj::do_read_symbols): New method declaration.
6693         (Arm_relobj::processor_specific_flags_): New data member declaration.
6694         (Arm_dynobj): New class definition.
6695         (Target_arm::do_finalize_sections): Add input_objects parameter.
6696         (Target_arm::do_adjust_elf_header): New method declaration.
6697         (Target_arm::are_eabi_versions_compatible,
6698         (Target_arm::merge_processor_specific_flags): New method declaration.
6699         (Target_arm::do_make_elf_object): New overloaded method definitions
6700         and declaration.
6701         (Arm_relobj::do_read_symbols): New method definition.
6702         (Arm_dynobj::do_read_symbols): Ditto.
6703         (Target_arm::do_finalize_sections): Add input_objects parameters.
6704         Merge processor-specific flags from all input objects.
6705         (Target_arm::are_eabi_versions_compatible,
6706         Target_arm::merge_processor_specific_flags,
6707         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6708         New method definitions.
6709         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6710         Input_objects pointer type parameter.
6711         * layout.cc (Layout::finalize): Pass input objects to target's.
6712         finalize_sections function.
6713         * output.cc (Output_file_header::do_sized_write): Set ELF file
6714         header's processor-specific flags.
6715         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6716         Input_objects pointer type parameter.
6717         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6718         * target.h (Input_objects): New forward class declaration.
6719         (Target::processor_specific_flags,
6720         Target::are_processor_specific_flags_sect): New method definitions.
6721         (Target::finalize_sections): Add input_objects parameter.
6722         (Target::Target): Initialize processor_specific_flags_ and
6723         are_processor_specific_flags_set_.
6724         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6725         parameter.
6726         (Target::set_processor_specific_flags): New method definition.
6727         (Target::processor_specific_flags_,
6728         Target::are_processor_specific_flags_set_): New data member
6729         declarations.
6730         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6731         Input_objects pointer type parameter.
6732
6733 2009-10-30  Doug Kwan  <dougkwan@google.com>
6734
6735         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6736
6737 2009-10-28  Ian Lance Taylor  <iant@google.com>
6738
6739         * object.h (class Relobj): Drop options parameter from
6740         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6741         do_scan_relocs, do_relocate.  Change all callers.
6742         (class Sized_relobj): Drop options parameters from
6743         do_gc_process_relocs, do_scan_relocs, do_relocate,
6744         do_relocate_sections, relocate_sections, emit_relocs_scan,
6745         emit_relocs_scan_reltype.  Change all callers.
6746         (struct Relocate_info): Remove options field and all references to
6747         it.
6748         * reloc.h (class Read_relocs): Remove options constructor
6749         parameter and options_ field.  Change all callers.
6750         (class Gc_process_relocs, class Scan_relocs): Likewise.
6751         (class Relocate_task): Likewise.
6752         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6753         all callers.
6754         (scan_relocatable_relocs): Likewise.
6755         * target.h (class Sized_target): Remove options parameter from
6756         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6757         all callers.
6758         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6759         callers.
6760         * arm.cc: Update functions to remove options parameters.
6761         * i386.cc: Likewise.
6762         * powerpc.cc: Likewise.
6763         * sparc.cc: Likewise.
6764         * x86_64.cc: Likewise.
6765         * testsuite/testfile.cc: Likewise.
6766
6767 2009-10-28  Doug Kwan  <dougkwan@google.com>
6768
6769         * arm.cc (Arm_relobj): New class definition.
6770         (Arm_relobj::scan_sections_for_stubs,
6771         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6772         New method definitions.
6773
6774 2009-10-28  Cary Coutant  <ccoutant@google.com>
6775
6776         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6777         (Plugin::cleanup_done_): New member.
6778         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6779         (Plugin_manager::cleanup_done_): Remove.
6780         (Plugin_manager::add_input_file): Edit error message.
6781         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6782         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6783
6784 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6785
6786         * fileread.cc: (File_read::View::~View): Use the new
6787         data_ownership_ filed.
6788         (File_read::~File_read): Dispose the new whole_file_view_.
6789         (File_read::open): Mmap the whole file if needed.
6790         (File_read::open): Use whole_file_view_ instead of contents_.
6791         (File_read::find_view): Use whole_file_view_ if applicable.
6792         (File_read::do_read): Use whole_file_view_ instead of contents_.
6793         (File_read::make_view): Use whole_file_view_ instead of contents_,
6794         update File_read::View::View call.
6795         (File_read::find_or_make_view): Update File_read::View::View
6796         call.
6797         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6798         remove contents_
6799         (File_read::View::Data_ownership): New enum.
6800         (File_read::View::View): Replace bool mapped_ with Data_ownership
6801         argument.
6802         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6803         (File_read::View::data_ownership_): New field.
6804         (File_read::contents_): Remove (replaced by whole_file_view_).
6805         (File_read::whole_file_view_): New field.
6806         * options.h (class General_options): Add --keep-files-mapped.
6807
6808 2009-10-27  Cary Coutant  <ccoutant@google.com>
6809
6810         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6811         * testsuite/Makefile.am (plugin_test_5): New test case.
6812         * testsuite/Makefile.in: Regenerate.
6813
6814 2009-10-25  Doug Kwan  <dougkwan@google.com>
6815
6816         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6817         from private to protected to allow access by child class.
6818         (Sized_relobj::do_relocate_sections): New method declaration.
6819         (Sized_relobj::relocate_sections): Virtualize.
6820         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6821         Sized_relobj::relocate_sections.  Instantiate template explicitly
6822         for different target sizes and endianity.
6823
6824 2009-10-24  Doug Kwan  <dougkwan@google.com>
6825
6826         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6827         (Arm_input_section::as_arm_input_section): New method.
6828         (Arm_output_section): New class definition.
6829         (Arm_output_section::create_stub_group,
6830         Arm_output_section::group_sections): New method definitions.
6831
6832 2009-10-22  Doug Kwan  <dougkwan@google.com>
6833
6834         * arm.cc (Arm_input_section): New class definition.
6835         (Arm_input_section::init, Arm_input_section:do_write,
6836         Arm_input_section::set_final_data_size,
6837         Arm_input_section::do_reset_address_and_file_offset): New method
6838         definitions.
6839
6840 2009-10-21  Doug Kwan  <dougkwan@google.com>
6841
6842         * arm.cc (Stub_table, Arm_input_section): New forward class
6843         declarations.
6844         (Stub_table): New class defintion.
6845         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6846         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6847         New method definition.
6848
6849 2009-10-21  Doug Kwan  <dougkwan@google.com>
6850
6851         * arm.cc: Update copyright comments.
6852         (Target_arm): New forward class template declaration.
6853         (Arm_address): New type.
6854         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6855         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6856         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6857         constants.
6858         (Insn_template): Same.
6859         (DEF_STUBS): New macro.
6860         (Stub_type): New enum type.
6861         (Stub_template): New class definition.
6862         (Stub): Same.
6863         (Reloc_stub): Same.
6864         (Stub_factory): Same.
6865         (Target_arm::Target_arm): Initialize may_use_blx_ and
6866         should_force_pic_veneer_.
6867         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6868         Target_arm::should_force_pic_veneer,
6869         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6870         Target_arm::using_thumb_only, Target_arm:;default_target): New
6871         method defintions.
6872         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6873         New data member declarations.
6874         (Insn_template::size, Insn_template::alignment): New method defintions.
6875         (Stub_template::Stub_template): New method definition.
6876         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6877         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6878         (Stub_factory::Stub_factory): New method definition.
6879         * gold.h (string_hash): New template.
6880         * output.h (Input_section_specifier::hash_value): Use
6881         gold::string_hash.
6882         (Input_section_specifier::string_hash): Remove.
6883         * stringpool.cc (Stringpool_template::string_hash): Use
6884         gold::string_hash.
6885
6886 2009-10-20  Doug Kwan  <dougkwan@google.com>
6887
6888         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6889         symbols of relaxed input sections.
6890         * output.h (Output_section::find_relaxed_input_section): Make
6891         method public.
6892
6893 2009-10-16  Doug Kwan  <dougkwan@google.com>
6894
6895         * dynobj.cc (Versions::Versions): Initialize version_script_.
6896         Only insert base version symbol definition for a shared object
6897         if version script defines any version versions.
6898         (Versions::define_base_version): New method definition.
6899         (Versions::add_def): Check that base version is not needed.
6900         (Versions::add_need): Define base version lazily.
6901         * dynobj.h (Versions::define_base_version): New method declaration.
6902         (Versions::needs_base_version_): New data member declaration.
6903         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6904         (check_DATA): Add no_version_test.stdout.
6905         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6906         New make rules.
6907         * testsuite/Makefile.in: Regenerate.
6908         * testsuite/no_version_test.c: New file.
6909         * testsuite/no_version_test.sh: Ditto.
6910
6911 2009-10-16  Doug Kwan  <dougkwan@google.com>
6912
6913         * expression.cc (class Segment_start_expression): New class definition.
6914         (Segment_start_expression::value): New method definition.
6915         (script_exp_function_segment_start): Return a new
6916         Segment_start_expression.
6917         * gold/script-c.h (script_saw_segment_start_expression): New function
6918         prototype.
6919         * script-sections.cc (Script_sections::Script_sections): Initialize
6920         SAW_SEGMENT_START_EXPRESSION_ to false.
6921         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6922         and -Tbbs options to specify section addresses if given in
6923         command line and no SEGMENT_START expression is seen in a script.
6924         * script-sections.h (Script_sections::saw_segment_start_expression,
6925         Script_sections::set_saw_segment_start_expression): New method
6926         definition.
6927         (Script_sections::saw_segment_start_expression_): New data member
6928         declaration.
6929         * script.cc (script_saw_segment_start_expression): New function.
6930         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6931         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6932         script_test_7.sh and script_test_8.sh.
6933         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6934         script_test_8.stdout.
6935         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6936         (script_test_6, script_test_6.stdout, script_test_7,
6937         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6938         * Makefile.in: Regenerate.
6939         * testsuite/script_test_6.sh: New file.
6940         * testsuite/script_test_6.t: Same.
6941         * testsuite/script_test_7.sh: Same.
6942         * testsuite/script_test_7.t: Same.
6943         * testsuite/script_test_8.sh: Same.
6944
6945 2009-10-16  Doug Kwan  <dougkwan@google.com>
6946
6947         * output.cc (Output_segment::set_section_list_address): Cast
6948         expressions to unsigned long long type to avoid format warnings.
6949
6950 2009-10-15  Ian Lance Taylor  <iant@google.com>
6951
6952         * script.cc (Script_options::add_symbol_assignment): Always add a
6953         dot assignment to script_sections_.
6954         * script-sections.cc (Script_sections::add_dot_assignment):
6955         Initialize if necessary.
6956
6957         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6958         program headers with no load segment if there is a linker script.
6959
6960         * layout.cc (Layout::set_segment_offsets): Align the file offset
6961         to the segment aligment for -N or -n with no load segment.
6962         * output.cc (Output_segment::add_output_section): Don't crash if
6963         the first section is a TLS section.
6964         (Output_segment::set_section_list_addresses): Print an error
6965         message if the address moves backward in a linker script.
6966         * script-sections.cc
6967         (Output_section_element_input::set_section_addresses): Don't
6968         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6969         (Orphan_output_section::set_section_addresses): Likewise.
6970
6971 2009-10-15  Doug Kwan  <dougkwan@google.com>
6972
6973         * layout.cc (Layout::finish_dynamic_section): Generate tags
6974         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6975         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6976         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6977
6978 2009-10-14  Ian Lance Taylor  <iant@google.com>
6979
6980         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6981         fields.
6982         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6983         data_shdr fields of relinfo.
6984         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6985         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6986         R_386_TLS_LDO_32, adjust based on section flags.
6987         (Target_i386::Relocate::fix_up_ldo): Remove.
6988
6989 2009-10-13  Ian Lance Taylor  <iant@google.com>
6990
6991         Add support for -pie.
6992         * options.h (class General_options): Add -pie and
6993         --pic-executable.
6994         (General_options::output_is_position_independent): Test -pie.
6995         (General_options::output_is_executable): Return true if not shared
6996         and not relocatable.
6997         (General_options::output_is_pie): Remove.
6998         * options.cc (General_options::finalize): Reject incompatible uses
6999         of -pie.
7000         * gold.cc (queue_middle_tasks): A -pie link is not static.
7001         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7002         * symtab.cc (Symbol::final_value_is_known): Return false if
7003         output_is_position_independent.
7004         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7005         output_is_position_independent.
7006         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7007         output_is_position_independent.
7008         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7009         output_is_position_independent.
7010         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7011         two_file_pie_test.
7012         (basic_pie_test.o, basic_pie_test): New targets.
7013         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7014         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7015         (two_file_pie_test): New target.
7016         * testsuite/Makefile.in: Rebuild.
7017         * README: Remove note saying that -pie is not supported.
7018
7019 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7020
7021         * options.h (class General_options): Add -init and -fini.
7022         * layout.cc (Layout::finish_dynamic_section): Emit
7023         given init and fini functions.
7024
7025 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7026
7027         * gc.h (gc_process_relocs): Check if icf is enabled using new
7028         function.
7029         * gold.cc (queue_initial_tasks): Likewise.
7030         (queue_middle_tasks): Likewise.
7031         * object.cc (do_layout): Likewise.
7032         * symtab.cc (is_section_folded): Likewise.
7033         * main.cc (main): Likewise.
7034         * reloc.cc (Read_relocs::run): Likewise.
7035         (Sized_relobj::do_scan_relocs): Likewise.
7036         * icf.cc (is_function_ctor_or_dtor): New function.
7037         (Icf::find_identical_sections): Check if function is ctor or dtor when
7038         safe icf is chosen.
7039         * options.h (General_options::icf): Change option to be an enum.
7040         (Icf_status): New enum.
7041         (icf_enabled): New method.
7042         (icf_safe_folding): New method.
7043         (set_icf_status): New method.
7044         (icf_status_): New variable.
7045         * (options.cc) (General_options::finalize): Set icf_status_.
7046         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7047         icf_test and icf_keep_unique_test to use the --icf enum flag.
7048         * testsuite/icf_safe_test.sh: New file.
7049         * testsuite/icf_safe_test.cc: New file.
7050
7051 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7052
7053         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7054         includes to gc.h and icf.h.
7055         * arm.cc: Include gc.h.
7056         * gold.cc: Likewise.
7057         * i386.cc: Likewise.
7058         * powerpc.cc: Likewise.
7059         * sparc.cc: Likewise.
7060         * x86_64.cc: Likewise.
7061         * gc.h: Include icf.h.
7062
7063 2009-10-11  Ian Lance Taylor  <iant@google.com>
7064
7065         * plugin.cc: Include "gold.h" before other header files.
7066
7067 2009-10-10  Chris Demetriou  <cgd@google.com>
7068
7069         * options.h (Input_file_argument::Input_file_type): New enum.
7070         (Input_file_argument::is_lib_): Replace with...
7071         (Input_file_argument::type_): New member.
7072         (Input_file_argument::Input_file_argument): Take Input_file_type
7073         'type' rather than boolean 'is_lib' as second argument.
7074         (Input_file_argument::is_lib): Use type_.
7075         (Input_file_argument::is_searched_file): New function.
7076         (Input_file_argument::may_need_search): Handle is_searched_file.
7077         * options.cc (General_options::parse_library): Support -l:filename.
7078         (General_options::parse_just_symbols): Update for Input_file_argument
7079         changes.
7080         (Command_line::process): Likewise.
7081         * archive.cc (Archive::get_file_and_offset): Likewise.
7082         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7083         * script.cc (read_script_file, script_add_file): Likewise.
7084         * fileread.cc (Input_file::Input_file): Likewise.
7085         (Input_file::will_search_for): Handle is_searched_file.
7086         (Input_file::open): Likewise.
7087         * readsyms.cc (Read_symbols::get_name): Likewise.
7088         * testsuite/Makefile.am (searched_file_test): New test.
7089         * testsuite/Makefile.in: Regenerate.
7090         * testsuite/searched_file_test.cc: New file.
7091         * testsuite/searched_file_test_lib.cc: New file.
7092
7093 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7094             Ian Lance Taylor  <iant@google.com>
7095
7096         * descriptor.cc: Include <cstdio> and "binary-io.h".
7097         (Descriptors::open): Open the files in binary mode always.
7098         * script.cc (Lex::get_token): Treat \r as whitespace.
7099
7100 2009-10-09  Ian Lance Taylor  <iant@google.com>
7101
7102         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7103
7104 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7105             Ian Lance Taylor  <iant@google.com>
7106
7107         * configure.ac: Check for readv function also.
7108         * fileread.cc (readv): Define if not HAVE_READV.
7109         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7110         does not exist.
7111         * config.in: Regenerate.
7112         * configure: Regenerate.
7113
7114 2009-10-09  Doug Kwan  <dougkwan@google.com>
7115
7116         * layout.cc (Layout::make_output_section): Call target hook to make
7117         ordinary output section.
7118         (Layout::finalize): Adjust parameter list of call the
7119         Target::may_relax().
7120         * layout.h (class Layout::section_list): New method.
7121         * merge.h (Output_merge_base::entsize): Change visibility to public.
7122         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7123         New methods.
7124         (Output_merge_string::do_is_string): New method.
7125         * object.cc (Sized_relobj::do_setup): renamed from
7126         Sized_relobj::set_up.
7127         * object.h (Sized_relobj::adjust_shndx,
7128         Sized_relobj::initializ_input_to_output_maps,
7129         Sized_relobj::free_input_to_output_maps): Change visibilities to
7130         protected.
7131         (Sized_relobj::setup): Virtualize.
7132         (Sized_relobj::do_setup): New method declaration.
7133         (Sized_relobj::invalidate_section_offset,
7134         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7135         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7136         * options.cc (parse_int): New function.
7137         * options.h (parse_int): New declaration.
7138         (DEFINE_int): New macro.
7139         (stub_group_size): New option.
7140         * output.cc (Output_section::Output_section): Initialize memebers
7141         merge_section_map_, merge_section_by_properties_map_,
7142         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7143         (Output_section::add_input_section): Handled deferred code-fill
7144         generation and remove an old comment.
7145         (Output_section::add_relaxed_input_section): New method definition.
7146         (Output_section::add_merge_input_section): Use merge section by
7147         properties map to speed to search.  Update merge section maps
7148         as appropriate.
7149         (Output_section::build_relaxation_map): New method definition.
7150         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7151         Same.
7152         (Output_section::relax_input_section): Renamed to
7153         Output_section::convert_input_sections_to_relaxed_sections and change
7154         interface to take a vector of pointers to relaxed sections.
7155         (Output_section::find_merge_section,
7156         Output_section::find_relaxed_input_section): New method definitions.
7157         (Output_section::is_input_address_mapped,
7158         Output_section::output_offset, Output_section::output_address):
7159         Use output section data maps to speed up searching.
7160         (Output_section::find_starting_output_address): Add comments.
7161         (Output_section::do_write,
7162         Output_section::write_to_postprocessing_buffer): Do code-fill
7163         generation as appropriate.
7164         (Output_section::get_input_sections): Invalidate relaxed input section
7165         map.
7166         (Output_section::restore_states): Adjust type of checkpoint .
7167         Invalidate relaxed input section map.
7168         * output.h (Output_merge_base): New class declaration.
7169         (Input_section_specifier): New class defintion.
7170         (class Output_relaxed_input_section) Change base class to
7171         Output_section_data_build.
7172         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7173         base class initializer.
7174         (Output_section::add_relaxed_input_section): New method declaration.
7175         (Output_section::Input_section): Change visibility to protected.
7176         (Output_section::Input_section::relobj,
7177         Output_section::Input_section::shndx): Handle relaxed input sections.
7178         Output_section::input_sections) Change visibility to protected.  Also
7179         define overload to return a non-const pointer.
7180         (Output_section::Merge_section_properties): New class defintion.
7181         (Output_section::Merge_section_by_properties_map,
7182         Output_section::Output_section_data_by_input_section_map,
7183         Output_section::Relaxation_map): New types.
7184         (Output_section::relax_input_section): Rename method to
7185         Output_section::convert_input_sections_to_relaxed_sections and change
7186         interface to take a vector of relaxed section pointers.
7187         (Output_section::find_merge_section,
7188         Output_section::find_relaxed_input_section,
7189         Output_section::build_relaxation_map,
7190         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7191         New method declarations.
7192         (Output_section::merge_section_map_
7193         Output_section::merge_section_by_properties_map_,
7194         Output_section::relaxed_input_section_map_,
7195         Output_section::is_relaxed_input_section_map_valid_,
7196         Output_section::generate_code_fills_at_write_): New data members.
7197         * script-sections.cc
7198         (Output_section_element_input::set_section_addresses): Call
7199         current_data_size and addralign methods of relaxed input sections.
7200         (Orphan_output_section::set_section_addresses): Call current_data_size
7201         and addralign methods of relaxed input sections.
7202         * symtab.cc (Symbol_table::compute_final_value): Extract template
7203         from the body of Symbol_table::sized_finalize_symbol.
7204         (Symbol_table::sized_finalized_symbol): Call
7205         Symbol_table::compute_final_value.
7206         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7207         (Symbol_table::compute_final_value): New templated method declaration.
7208         * target.cc (Target::do_make_output_section): New method defintion.
7209         * target.h (Target::make_output_section): New method declaration.
7210         (Target::relax): Add more parameters for input objects, symbol table
7211         and layout.  Adjust call to do_relax.
7212         (Target::do_make_output_section): New method declaration.
7213         (Target::do_relax): Add parameters for input objects, symbol table
7214         and layout.
7215
7216 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7217
7218         * pread.c: Include stdio.h.
7219
7220 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7221
7222         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7223         defined.
7224
7225 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7226
7227         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7228         Change read_shndx type to unsigned int.
7229         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7230         int.
7231         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7232         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7233         Change read_shndx type to unsigned int.
7234         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7235         int.
7236         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7237         * layout.cc (Layout::create_symtab_sections): Cast the result of
7238         local_symcount * symsize to off_t in the gold_assert.
7239
7240 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7241
7242         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7243         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7244         R_ARM_BASE_ABS.
7245         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7246         (Arm_relocate_functions::thm_abs5): New function.
7247         (Arm_relocate_functions::abs12): New function.
7248         (Arm_relocate_functions::abs16): New function.
7249         (Arm_relocate_functions::base_abs): New function.
7250         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7251         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7252         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7253         R_ARM_BASE_ABS.
7254         (Scan::global): Likewise.
7255         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7256         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7257         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7258         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7259         R_ARM_BASE_ABS.
7260
7261 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7262
7263         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7264         (Arm_relocate_functions::movt_prel): New function.
7265         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7266         (Arm_relocate_functions::thm_movt_prel): New function.
7267         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7268         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7269         (Scan::global, Relocate::relocate): Likewise.
7270         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7271
7272 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7273
7274         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7275         Incremental_checker.
7276         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7277         unsigned int.
7278         (class Incremental_inputs_header): New class.
7279         (Incremental_inputs_header_writer): Edit comment.
7280         (Incremental_inputs_entry): New class.
7281         (Incremental_inputs_entry_writer): Edit comment.
7282         (Sized_incremental_binary::do_find_incremental_inputs_section):
7283         Add *strtab_shndx parameter, fill it.
7284         (Sized_incremental_binary::do_check_inputs): New method.
7285         (Incremental_checker::can_incrementally_link_output_file): Use
7286         Sized_incremental_binary::check_inputs.
7287         (Incremental_inputs::report_command_line): Save command line in
7288         command_line_.
7289         * incremental.h:
7290         (Incremental_binary::find_incremental_inputs_section): New
7291         method.
7292         (Incremental_binary::do_find_incremental_inputs_section): Add
7293         strtab_shndx parameter.
7294         (Incremental_binary::do_check_inputs): New pure virtual method.
7295         (Sized_incremental_binary::do_check_inputs): Declare.
7296         (Incremental_checker::Incremental_checker): Add incremental_inputs
7297         parameter, use it to initialize incremental_inputs_.
7298         (Incremental_checker::incremental_inputs_): New field.
7299         (Incremental_checker::command_line): New method.
7300         (Incremental_checker::inputs): New method.
7301         (Incremental_checker::command_line_): New field.
7302
7303 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7304
7305         * incremental.cc: Include <cstdarg> and "target-select.h".
7306         (vexplain_no_incremental): New function.
7307         (explain_no_incremental): New function.
7308         (Incremental_binary::error): New method.
7309         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7310         method.
7311         (make_sized_incremental_binary): New function.
7312         (open_incremental_binary): New function.
7313         (can_incrementally_link_file): Add checks if output is ELF and has
7314         inputs section.
7315         * incremental.h: Include "elfcpp_file.h" and "output.h".
7316         (Incremental_binary): New class.
7317         (Sized_incremental_binary): New class.
7318         (open_incremental_binary): Declare.
7319         * object.cc (is_elf_object): Use
7320         elfcpp::Elf_recognizer::is_elf_file.
7321         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7322         * output.h (Output_file::filesize): New method.
7323
7324 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7325
7326         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7327         New function.
7328         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7329         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7330         function.
7331         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7332         function.
7333         (Arm_relocate_functions::movw_abs_nc): New function.
7334         (Arm_relocate_functions::movt_abs): New function.
7335         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7336         (Arm_relocate_functions::thm_movt_abs): New function.
7337         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7338         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7339         (Scan::global): Likewise.
7340         (Relocate::relocate): Likewise.
7341         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7342
7343 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7344
7345         * arm.cc (Arm_relocate_functions::got_prel) New function.
7346         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7347         (Relocate::relocate): Likewise.
7348         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7349
7350 2009-10-06  Ian Lance Taylor  <iant@google.com>
7351
7352         * options.h (class General_options): Define
7353         split_stack_adjust_size parameter.
7354         * object.h (class Object): Add uses_split_stack_ and
7355         has_no_split_stack_ fields.  Add uses_split_stack and
7356         has_no_split_stack accessor functions.  Declare
7357         handle_split_stack_section.
7358         (class Reloc_symbol_changes): Define.
7359         (class Sized_relobj): Define Function_offsets.  Declare
7360         split_stack_adjust, split_stack_adjust_reltype, and
7361         find_functions.
7362         * object.cc (Object::handle_split_stack_section): New function.
7363         (Sized_relobj::do_layout): Call handle_split_stack_section.
7364         * dynobj.cc (Sized_dynobj::do_layout): Call
7365         handle_split_stack_section.
7366         * reloc.cc (Sized_relobj::relocate_sections): Call
7367         split_stack_adjust for executable sections in split_stack
7368         objects.  Pass reloc_map to relocate_section.
7369         (Sized_relobj::split_stack_adjust): New function.
7370         (Sized_relobj::split_stack_adjust_reltype): New function.
7371         (Sized_relobj::find_functions): New function.
7372         * target-reloc.h: Include "object.h".
7373         (relocate_section): Add reloc_symbol_changes parameter.  Change
7374         all callers.
7375         * target.h (class Target): Add calls_non_split method.  Declare
7376         do_calls_non_split virtual method.  Declare match_view and
7377         set_view_to_nop.
7378         * target.cc: Include "elfcpp.h".
7379         (Target::do_calls_non_split): New function.
7380         (Target::match_view): New function.
7381         (Target::set_view_to_nop): New function.
7382         * gold.cc (queue_middle_tasks): Give an error if mixing
7383         split-stack and non-split-stack objects with -r.
7384         * i386.cc (Target_i386::relocate_section): Add
7385         reloc_symbol_changes parameter.
7386         (Target_i386::do_calls_non_split): New function.
7387         * x86_64.cc (Target_x86_64::relocate_section): Add
7388         reloc_symbol_changes parameter.
7389         (Target_x86_64::do_calls_non_split): New function.
7390         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7391         parameter.
7392         * powerpc.cc (Target_powerpc::relocate_section): Add
7393         reloc_symbol_changes parameter.
7394         * sparc.cc (Target_sparc::relocate_section): Add
7395         reloc_symbol_changes parameter.
7396         * configure.ac: Call AM_CONDITIONAL for the default target.
7397         * configure: Rebuild.
7398         * testsuite/Makefile.am (TEST_AS): New variable.
7399         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7400         (check_DATA): Add split_i386 and split_x86_64 files.
7401         (SPLIT_DEFSYMS): Define.
7402         (split_i386_[1234n].o): New targets.
7403         (split_i386_[124]): New targets.
7404         (split_i386_[1234r].stdout): New targets.
7405         (split_x86_64_[1234n].o): New targets.
7406         (split_x86_64_[124]): New targets.
7407         (split_x86_64_[1234r].stdout): New targets.
7408         (MOSTLYCLEANFILES): Add new executables.
7409         * testsuite/split_i386.sh: New file.
7410         * testsuite/split_x86_64.sh: New file.
7411         * testsuite/split_i386_1.s: New file.
7412         * testsuite/split_i386_2.s: New file.
7413         * testsuite/split_i386_3.s: New file.
7414         * testsuite/split_i386_4.s: New file.
7415         * testsuite/split_i386_n.s: New file.
7416         * testsuite/split_x86_64_1.s: New file.
7417         * testsuite/split_x86_64_2.s: New file.
7418         * testsuite/split_x86_64_3.s: New file.
7419         * testsuite/split_x86_64_4.s: New file.
7420         * testsuite/split_x86_64_n.s: New file.
7421         * testsuite/testfile.cc (Target_test): Update relocation_section
7422         function.
7423         * testsuite/Makefile.in: Rebuild.
7424
7425 2009-10-06  Ian Lance Taylor  <iant@google.com>
7426
7427         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7428         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7429         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7430         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7431         the address on ldo_addrs_.
7432         (Target_i386::Relocate::fix_up_ldo): New function.
7433
7434 2009-10-06   Rafael Espindola  <espindola@google.com>
7435
7436         * plugin.cc (add_input_library): New.
7437         (Plugin::load): Add add_input_library to tv.
7438         (Plugin_manager::add_input_file): Add the is_lib argument.
7439         (add_input_file): Update call to Plugin_manager::add_input_file.
7440         (add_input_library): New.
7441         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7442
7443 2009-09-30  Doug Kwan  <dougkwan@google.com>
7444
7445         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7446         symbol and call Symbol::may_need_copy_reloc to determine if
7447         a copy reloc is needed.
7448         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7449         nocopyreloc is given in command line.
7450         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7451         given in command line.
7452         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7453         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7454         of the removed Target_i386::may_need_copy_reloc.
7455         * options.h (copyreloc): New option with default value false.
7456         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7457         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7458         instead of the removed Target_powerpc::may_need_copy_reloc.
7459         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7460         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7461         instead of the removed Target_sparc::may_need_copy_reloc.
7462         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7463         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7464         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7465         instead of the removed Target_x86_64::may_need_copy_reloc.
7466
7467 2009-09-30  Ian Lance Taylor  <iant@google.com>
7468
7469         * object.h (class Object): Remove target_ field, and target,
7470         sized_target, and set_target methods.
7471         (Object::sized_target): Remove.
7472         (class Sized_relobj): Update declarations.  Remove sized_target.
7473         * object.cc (Sized_relobj::setup): Remove target parameter.
7474         Change all callers.
7475         (Input_objects::add_object): Don't do anything with the target.
7476         (make_elf_sized_object): Add punconfigured parameter.  Change all
7477         callers.  Set or test parameter target.
7478         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7479         Change all callers.
7480         * parameters.cc (Parameters::set_target): Change parameter type to
7481         be non-const.
7482         (Parameters::default_target): Remove.
7483         (set_parameters_target): Change parameter type to be non-const.
7484         (parameters_force_valid_target): New function.
7485         (parameters_clear_target): New function.
7486         * parameters.h (class Parameters): Update declarations.  Remove
7487         default_target method.  Add sized_target and clear_target
7488         methods.  Change target_ to be non-const.
7489         (set_parameters_target): Update declaration.
7490         (parameters_force_valid_target): Declare.
7491         (parameters_clear_target): Declare.
7492         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7493         as NULL if we aren't searching.
7494         (Add_symbols::run): Don't check for compatible target.
7495         * fileread.cc (Input_file::open_binary): Call
7496         parameters_force_valid_target.
7497         * gold.cc (queue_middle_tasks): Likewise.
7498         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7499         set_target on object.
7500         * dynobj.h (class Sized_dynobj): Update declarations.
7501         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7502         make_elf_object returns NULL.
7503         (Archive::include_member): Don't check whether object target is
7504         compatible.
7505         * output.cc (Output_section::add_input_section): Get target from
7506         parameters.
7507         (Output_section::relax_input_section): Likewise.
7508         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7509         parameters.
7510         (Sized_relobj::do_scan_relocs): Likewise.
7511         (Sized_relobj::relocate_sections): Likewise.
7512         * resolve.cc (Symbol_table::resolve): Likewise.
7513         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7514         parameter.  Change all callers.
7515         (Symbol_table::add_from_object): Get target from parameters.
7516         (Symbol_table::add_from_relobj): Don't check object target.
7517         (Symbol_table::add_from_dynobj): Likewise.
7518         (Symbol_table::define_special_symbol): Get target from
7519         parameters.
7520         * symtab.h (class Symbol_table): Update declaration.
7521         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7522         parameter.  Change all callers.  Clear parameter target.
7523         (Binary_test): Test target here.
7524         * testsuite/object_unittest.cc (gold_testsuite): Remove
7525         target_test_pointer parameter.  Change all callers.
7526         (Object_test): Test target here.
7527
7528 2009-09-26  Ian Lance Taylor  <iant@google.com>
7529
7530         * testsuite/initpri1.c: Don't try to use constructor priorities if
7531         compiling with gcc before 4.3.
7532
7533 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7534
7535         * testsuite/retain_symbols_file_test.sh (check_present): Change
7536         output file name to retain_symbols_file_test.stdout.
7537         (check_absent): Likewise.
7538
7539 2009-09-18  Craig Silverstein  <csilvers@google.com>
7540
7541         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7542         * options.cc: Include <cerrno> and <fstream>.
7543         (General_options::finalize): Parse -retain-symbols-file tag.
7544         * options.h: New flag.
7545         (General_options): New method should_retain_symbol, new
7546         variable symbols_to_retain.
7547         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7548         should_retain_symbol map.
7549         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7550         * testsuite/Makefile.in: Regenerate.
7551         * testsuite/retain_symbols_file_test.sh: New file.
7552
7553 2009-09-18  Nick Clifton  <nickc@redhat.com>
7554
7555         * po/es.po: Updated Spanish translation.
7556
7557 2009-09-17  Doug Kwan  <dougkwan@google.com>
7558
7559         * debug.h (DEBUG_RELAXATION): New constant.
7560         (DEBUG_ALL): Add DEBUG_RELAXATION.
7561         (debug_string_to_enum): Add relaxation debug option.
7562         * layout.cc
7563         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7564         Layout::Relaxation_debug_check::read_sections,
7565         Layout::Relaxation_debug_check::read_sections): New method definitions.
7566         (Layout::Layout): Initialize data members
7567         record_output_section_data_from_scrips_,
7568         script_output_section_data_list_ and relaxation_debug_check_.
7569         (Layout::save_segments, Layout::restore_segments,
7570         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7571         Layout::relaxation_loop_body): New method definitions.
7572         (Layout::finalize): Support relaxation.  Move section layout code to
7573         Layout::relaxation_loop_body.
7574         (Layout::set_asection_address_from_script): Move code for orphan
7575         section placement out.
7576         (Layout::place_orphan_sections_in_script): New method definition.
7577         * layout.h (Output_segment_headers, Output_file_header):
7578         New forward class declarations.
7579         (Layout::~Layout): Define.
7580         (Layout::new_output_section_data_from_script): New method definition.
7581         (Layout::place_orphan_sections_in_script): New method declaration.
7582         (Layout::Segment_states): New type declaration.
7583         (Layout::save_segments, Layout::restore_segments,
7584         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7585         Layout::relaxation_loop_body): New method declarations.
7586         (Layout::Output_section_data_list): New type declaration.
7587         (Layout::Relaxation_debug_check): New class definition.
7588         (Layout::record_output_section_data_from_script_,
7589         Layout::script_output_section_data_list_, Layout::segment_states_,
7590         Layout::relaxation_debug_check_): New data members.
7591         * output.cc: (Output_section_headers::do_size): New method definition.
7592         (Output_section_headers::Output_section_headers): Move size
7593         computation to Output_section_headers::do_size.
7594         (Output_segment_headers::do_size): New method definition.
7595         (Output_file_header::Output_file_header): Move size computation to
7596         Output_file_header::do_size and call it.
7597         (Output_file_header::do_size): New method definition.
7598         (Output_data_group::Output_data_group): Adjust call to
7599         Output_section_data.
7600         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7601         (Output_symtab_xindex::do_write): Add array bound check.
7602         (Output_section::Input_section::print_to_mapfile): Handle
7603         RELAXED_INPUT_SECTION_CODE.
7604         (Output_section::Output_section): Initialize data member checkpoint_.
7605         (Output_section::~Output_section): Delete checkpoint object pointed
7606         by checkpoint_.
7607         (Output_section::add_input_section): Always add an Input_section if
7608         relaxing.
7609         (Output_section::add_merge_input_section): Add assert.
7610         (Output_section::relax_input_section): New method definition.
7611         (Output_section::set_final_data_size): Set load address to zero for
7612         an unallocated section.
7613         (Output_section::do_address_and_file_offset_have_reset_values):
7614         New method definition.
7615         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7616         Handle relaxed input section.
7617         (Output_section::sort_attached_input_sections): Checkpoint input
7618         section list lazily.
7619         (Output_section::get_input_sections): Change type of input_sections to
7620         list of Simple_input_section pointers.  Checkpoint input section list
7621         lazily.  Also handle relaxed input sections.
7622         (Output_section::add_input_section_for_script): Take a reference to
7623         a Simple_input_section object instead of Relobj pointer and section
7624         index as parameter.  Handle relaxed input sections.
7625         (Output_section::save_states, Output_section::restore_states): New
7626         method definitions.
7627         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7628         (Output_data::is_data_size_fixed): New method definition.
7629         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7630         if it is fixed.
7631         (Output_data::address_and_file_offset_have_reset_values): New method
7632         definition.
7633         (Output_data::do_address_and_file_offset_have_reset_values): New method
7634         definition.
7635         (Output_data::set_data_size): Check that data size is not fixed.
7636         (Output_data::fix_data_size): New method definition.
7637         (Output_data::is_data_size_fixed_): New data member.
7638         (Output_section_headers::set_final_data_size): New method definition.
7639         (Output_section_headers::do_size): New method declaration.
7640         (Output_segment_headers::set_final_data_size): New method definition.
7641         (Output_segment_headers::do_size): New method declaration.
7642         (Output_file_header::set_final_data_size)::New method definition.
7643         (Output_file_header::do_size)::New method declaration.
7644         (Output_section_data::Output_section_data): Add new parameter
7645         is_data_size_fixed and use it to fix data size.
7646         (Output_data_const::Output_data_const): Adjust call to base class
7647         constructor and fix data size.
7648         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7649         base class constructor and fix data size.
7650         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7651         base class constructor and fix data size.
7652         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7653         class constructor and fix data size.
7654         (Output_data_group::set_final_data_size): New method definition.
7655         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7656         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7657         class constructor and fix data size.
7658         (Output_relaxed_input_section): New class definition.
7659         (Output_section::Simple_input_section): New class definition.
7660         (Output_section::get_input_sections): Adjust parameter list.
7661         (Output_section::add_input_section_for_script): Same.
7662         (Output_section::save_states, Output_section::restore_states,
7663         Output_section::do_address_and_file_offset_have_reset_values,
7664         (Output_section::Input_section::Input_section): Handle
7665         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7666         Output_relaxed_input_section.
7667         (Output_section::Input_section::is_input_section,
7668         Output_section::Input_section::set_output_section): Handle relaxed
7669         input section.
7670         (Output_section::Input_section::is_relaxed_input_section,
7671         Output_section::Input_section::output_section_data,
7672         Output_section::Input_section::relaxed_input_section): New method
7673         definitions.
7674         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7675         value.
7676         (Output_section::Input_section::u1_): Update comments.
7677         (Output_section::Input_section::u2_): Add new union member poris.
7678         (Output_section::Checkpoint_output_section): New classs definition.
7679         (Output_section::relax_input_section): New method declaration.
7680         (Output_section::checkpoint_): New data member.
7681         (Output_segment): Update comments.
7682         (Output_segment::Output_segment): Un-privatize copy constructor.
7683         (Output_segment::operator=): Un-privatize.
7684         * script-sections.cc (Output_section_element::Input_section_list):
7685         Change element type to Output_section::Simple_input_section.
7686         (Output_section_element_dot_assignment::set_section_addresses):
7687         Register output section data for relaxation clean up.
7688         (Output_data_exression::Output_data_expression): Adjust call to base
7689         constructor to fix data size.
7690         (Output_section_element_data::set_section_addresses): Register
7691         Output_data_expression object for relaxation clean up.
7692         (struct Input_section_info): Replace Relobj pointer and section index
7693         pair with Output_section::Simple_input_section and Convert struct to a
7694         class.
7695         (Input_section_sorter::operator()): Adjust access to
7696         Input_section_info data member to use accessors.
7697         (Output_section_element_input::set_section_addresses): Use layout
7698         parameter.  Adjust code to use Output_section::Simple_input_section
7699         and Input_secction_info classes.  Register filler for relaxation
7700         clean up.
7701         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7702         and section index pair with Output_section::Simple_input_section
7703         class.  Adjust code accordingly.
7704         (Phdrs_element::release_segment): New method definition.
7705         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7706         segment list.
7707         (Script_sections::release_segments): New method definition.
7708         * gold/script-sections.h (Script_sections::release_segments): New
7709         method declaration.
7710         * gold/target.h (Target::may_relax, Target::relax,
7711         Target::do_may_relax, Target::do_relax): New method definitions.
7712
7713 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7714
7715         * arm.cc (has_signed_unsigned_overflow): New function.
7716         (Arm_relocate_functions::abs8): New function.
7717         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7718         (Target_arm::Scan::global): Likewise.
7719         (Target_arm::relocate::relocate): Likewise.
7720         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7721         Likewise.
7722
7723 2009-09-16  Cary Coutant  <ccoutant@google.com>
7724
7725         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7726         * testsuite/Makefile.in: Regenerate.
7727
7728 2009-09-11  Nick Clifton  <nickc@redhat.com>
7729
7730         * po/gold.pot: Updated by the Translation project.
7731
7732 2009-09-08  Cary Coutant  <ccoutant@google.com>
7733
7734         * output.cc (Output_file::open): Add execute permission to empty file.
7735         * testsuite/Makefile.am (permission_test): New test.
7736         * testsuite/Makefile.in: Regenerate.
7737
7738 2009-09-02  Ian Lance Taylor  <iant@google.com>
7739
7740         * output.cc (Output_file::resize): Call map_no_anonymous rather
7741         than map.
7742
7743 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7744
7745         * gold.cc: Include "incremental.h".
7746         (queue_initial_tasks): Call Incremental_checker methods.
7747         * incremental.cc: Include "output.h".
7748         (Incremental_checker::can_incrementally_link_output_file): New
7749         method.
7750         * incremental.h (Incremental_checker): New class.
7751
7752         * output.cc (Output_file::open_for_modification): New method.
7753         (Output_file::map_anonymous): Changed return type to bool.  Record
7754         map in base_ field.
7755         (Output_file::map_no_anonymous): New method, broken out of map.
7756         (Output_file::map): Use map_no_anonymous and map_anonymous.
7757         * output.h (class Output_file): Update declarations.
7758
7759 2009-08-24  Cary Coutant  <ccoutant@google.com>
7760
7761         * options.h (Command_line::Pre_options): New class.
7762         (Command_line::pre_options): New member.
7763         * options.cc (gold::options::ready_to_register): New variable.
7764         (One_option::register_option): Do nothing if not registering options.
7765         Assert if same short option registered twice.
7766         (General_options::General_options): Turn off option registration when
7767         done constructing.
7768         (Command_line::Pre_options::Pre_options): New constructor.
7769
7770 2009-08-24  Cary Coutant  <ccoutant@google.com>
7771
7772         * options.h (General_options::no_keep_memory): Remove incorrect
7773         short option.
7774
7775 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7776
7777         * Makefile.am (am__skiplex, am__skipyacc): New.
7778         * Makefile.in: Regenerate.
7779
7780 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7781
7782         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7783         (INCLUDES): ... this.
7784         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7785         (AM_CPPFLAGS): Renamed from ...
7786         (INCLUDE): ... this.
7787         * Makefile.in, testsuite/Makefile.in: Regenerate.
7788
7789         * Makefile.in: Regenerate.
7790         * aclocal.m4: Likewise.
7791         * config.in: Likewise.
7792         * configure: Likewise.
7793         * testsuite/Makefile.in: Likewise.
7794
7795         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7796         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7797         * Makefile.in: Regenerate.
7798         * testsuite/Makefile.in: Regenerate.
7799
7800 2009-08-19  Cary Coutant  <ccoutant@google.com>
7801
7802         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7803         symbols in shared libraries overridden by hidden or internal symbols
7804         in the main program.
7805
7806 2009-08-19  Chris Demetriou  <cgd@google.com>
7807
7808         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7809         checking source file names in error messages.
7810
7811 2009-08-18  Doug Kwan  <dougkwan@google.com>
7812
7813         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7814         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7815         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7816         an elfcpp::Ehdr as parameter.
7817         * object.cc (Object::set_target): Remove the version that looks up
7818         a target and sets it.
7819         (Sized_relobj::setup): Take a Target object instead of
7820         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7821         (make_elf_sized_object): Find target and ask target to
7822         make an ELF object.
7823         * object.h: (Object::set_target): Remove the version that looks up
7824         a target and sets it.
7825         (Sized_relobj::setup): Take a Target object instead of
7826         an elfcpp:Ehdr as parameter.
7827         * target.cc: Include dynobj.h.
7828         (Target::do_make_elf_object_implementation): New.
7829         (Target::do_make_elf_object): New.
7830         * target.h (Target::make_elf_object): New template declaration.
7831         (Target::do_make_elf_object): New method declarations.
7832         (Target::do_make_elf_object_implementation): New template declaration.
7833
7834 2009-08-14  Ian Lance Taylor  <iant@google.com>
7835
7836         * gold.h (FUNCTION_NAME): Define.
7837         (gold_unreachable): Use FUNCTION_NAME.
7838
7839 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7840
7841         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7842         symbol in the --keep-unique list is not found.
7843
7844 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7845
7846         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7847         been maked as --keep-unique.
7848         (Icf::unfold_section): New function.
7849         * icf.h (Icf::unfold_section): New function.
7850         * options.h (General_options::keep_unique): New option.
7851         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7852         * testsuite/Makefile.in: Regenerate.
7853         * testsuite/icf_keep_unique_test.sh: New file.
7854         * testsuite/icf_keep_unique_test.cc: New file.
7855
7856 2009-08-12  Cary Coutant  <ccoutant@google.com>
7857
7858         PR 10471
7859         * resolve.cc (Symbol_table::resolve): Check for references from
7860         dynamic objects to hidden and internal symbols.
7861         * testsuite/Makefile.am (hidden_test.sh): New test.
7862         * testsuite/Makefile.in: Regenerate.
7863         * testsuite/hidden_test.sh: New script.
7864         * testsuite/hidden_test_1.c: New test source.
7865         * testsuite/hidden_test_main.c: New test source.
7866
7867 2009-08-11  Doug Kwan  <dougkwan@google.com>
7868
7869         * arm.cc: Update comments.
7870         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7871         segment to locate the .ARM.exidx section if present.
7872
7873 2009-08-09  Doug Kwan  <dougkwan@google.com>
7874
7875         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7876         patch.
7877
7878 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7879         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7880         compiler warnings.
7881
7882 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7883
7884         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7885         valid tls_segment only for non-debug-section relocations.
7886         * testsuite/Makefile.am: Add gc_tls_test.
7887         * testsuite/Makefile.in: Regenerate.
7888         * testsuite/gc_tls_test.cc: New file.
7889         * testsuite/gc_tls_test.sh: New file.
7890
7891 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7892
7893         * icf.cc: New file.
7894         * icf.h: New file.
7895         * Makefile.am (CCFILES): Add icf.cc.
7896         (HFILES): Add icf.h
7897         * Makefile.in: Regenerate.
7898         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7899         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7900         section, symbol and addend information for the relocs.
7901         * gold.cc (queue_middle_tasks): Call identical code folding.
7902         * gold.h: Add defines for multimap.
7903         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7904         to the call of finalize_local_symbols.
7905         * main.cc (main): Create object of class Icf.
7906         * object.cc (Sized_relobj::do_layout): Allow this function to be
7907         called twice during icf.
7908         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7909         to sections marked as identical by icf.
7910         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7911         when available.
7912         (Sized_relobj::do_section_entsize): New function.
7913         * object.h (Object::section_entsize): New function.
7914         (Object::do_section_entsize): New pure virtual function.
7915         (Relobj::finalize_local_symbols): Add new parameter.
7916         (Relobj::do_section_entsize): New function.
7917         * options.h (General_options::icf): New option.
7918         (General_options::icf_iterations): New option.
7919         (General_options::print_icf_sections): New option.
7920         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7921         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7922         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7923         icf.
7924         * symtab.cc (Symbol_table::is_section_folded): New function.
7925         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7926         to sections marked as identical by icf.
7927         * symtab.h (Symbol_table::set_icf): New function.
7928         (Symbol_table::icf): New function.
7929         (Symbol_table::is_section_folded): New function.
7930         (Symbol_table::icf_): New data member.
7931         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7932         * testsuite/Makefile.am: Add commands to build icf_test.
7933         * testsuite/Makefile.in: Regenerate.
7934         * testsuite/icf_test.sh: New file.
7935         * testsuite/icf_test.cc: New file.
7936
7937 2009-07-24  Chris Demetriou  <cgd@google.com>
7938
7939         * layout.cc (is_compressible_debug_section): Fix incorrect
7940         comment about compressed section names.
7941
7942 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7943
7944         PR 10419
7945         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7946
7947 2009-07-16  Ian Lance Taylor  <iant@google.com>
7948
7949         PR 10400
7950         * layout.h: #include <map>.
7951         (class Kept_section): Change from struct to class.  Add accessors
7952         and setters.  Add section size to Comdat_group mapping.  Change
7953         Comdat_group to std::map.  Add is_comdat_ field.  Add
7954         linkonce_size field in union.
7955         (class Layout): Update declaration of find_or_add_kept_section.
7956         Don't declare find_kept_object.
7957         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7958         parameter.  Add object, shndx, is_comdat, and is_group_name
7959         parameters.  Change all callers.  Adjust for new Kept_section.
7960         (Layout::find_kept_object): Remove.
7961         * object.cc (Sized_relobj::include_section_group): Update use of
7962         Kept_section.  Rename secnum to shndx.  Only record
7963         Kept_comdat_section if sections are the same size.
7964         (Sized_relobj::include_linkonce_section): Update use of
7965         Kept_section.  Only record Kept_comdat_section if sections are the
7966         same size.  Set size of linkonce section.
7967         (Sized_relobj::map_to_kept_section): Update call to
7968         get_kept_comdat_section.
7969         * object.h (class Sized_relobj): Rename fields in
7970         Kept_comdat_section to drop trailing underscores; change object
7971         field to Relobj*.  Change Kept_comdat_section_table to store
7972         struct rather than pointer.
7973         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7974         Add kept_object and kept_shndx parameters.  Change all callers.
7975         (Sized_relobj::get_kept_comdat_section): Change return type to
7976         bool.  Add kept_object and kept_shndx parameters.  Change all
7977         callers.
7978         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7979         Layout::find_or_add_kept_section.
7980
7981 2009-07-09  Ian Lance Taylor  <iant@google.com>
7982
7983         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7984         Reserve space in the hash table.
7985
7986 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7987
7988         * fileread.cc (File_read::get_mtime): New method.
7989         * fileread.h (Timespec): New structure.
7990         (File_read::get_mtime): New method.
7991         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7992         Renamed from timestamp_nsec.
7993         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7994         Elf_Xword.
7995         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7996         timestamp_nsec.
7997         (Incremental_inputs::report_archive): Save mtime; style fix.
7998         (Incremental_inputs::report_obejct): Save mtime; style fix.
7999         (Incremental_inputs::report_script): Save mtime; style fix.
8000         (Incremental_inputs::finalize_inputs): Style fix.
8001         (Incremental_inputs::finalize): Style fix.
8002         (Incremental_inputs::create_input_section_data): Store inputs
8003         mtime.
8004         * incremental.h (Incremental_inputs::report_script): Add mtime
8005         argument.
8006         (Incremental_inputs::Input_info::Input_info): Intialize only one
8007         union member.
8008         (Incremental_inputs::Input_info::archive): Move to nameless
8009         union.
8010         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8011         (Incremental_inputs::Input_info::script): Move to nameless union.
8012         (Incremental_inputs::mtime): New field.
8013         * script.cc (read_input_script): Pass file mtime to
8014         Incremental_input.
8015         * script.h (Script_info::inputs): Style fix.
8016
8017 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8018
8019         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8020         instead of 32.
8021
8022 2009-06-24  Ian Lance Taylor  <iant@google.com>
8023
8024         PR 10156
8025         * layout.cc (Layout::choose_output_section): If we find an
8026         existing section, update the flags.
8027         (Layout::create_notes): New function, broken out of
8028         Layout::finalize.
8029         (Layout::finalize): Don't create note sections.
8030         (Layout::create_note): Don't crash if linker script discards
8031         section.
8032         (Layout::create_gold_note): Likewise.
8033         (Layout::create_build_id): Likewise.  Don't set
8034         after_input_sections on the section.
8035         (Layout::create_executable_stack_info): Remove target parameter.
8036         Change caller.
8037         * layout.h (class Layout): Declare create_notes.  Update
8038         declaration of create_executable_stack_info.
8039         * gold.cc (queue_middle_tasks): Call create_notes.
8040         * output.cc (Output_section::update_flags_for_input_section): Move
8041         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8042         invalid.
8043         * output.h (Output_data::mark_address_invalid): New function.
8044         (class Output_section): Only declare, not define,
8045         update_flags_for_input_section.  Remove set_flags.
8046
8047 2009-06-24  Ian Lance Taylor  <iant@google.com>
8048
8049         * script-sections.cc (Output_section_definition::
8050         set_section_addresses): Rename shadowing local load_address to
8051         laddr.
8052
8053 2009-06-24  Ian Lance Taylor  <iant@google.com>
8054
8055         PR 10244
8056         * reloc.cc (relocate_sections): Skip empty relocation sections.
8057
8058 2009-06-23  Ian Lance Taylor  <iant@google.com>
8059
8060         PR 10156
8061         * layout.cc (Layout::create_note): Use choose_output_section
8062         rather than make_output_section.
8063
8064 2009-06-23  Ian Lance Taylor  <iant@google.com>
8065
8066         PR 10237
8067         * options.cc (General_options::parse_V): Set printed_version_.
8068         (General_options::General_options): Initialize printed_version_.
8069         * options.h (class General_options): Add printed_version_ field.
8070         * gold.cc (queue_initial_tasks): If there are no input files,
8071         don't give a fatal error if we printed the version information.
8072         (queue_middle_tasks): If using -r with a shared object, give a
8073         fatal error rather than an ordinary error.
8074
8075 2009-06-23  Ian Lance Taylor  <iant@google.com>
8076
8077         PR 10219
8078         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8079         (Layout::make_output_section): Set have_stabstr_section_ if we see
8080         a .stab*str section.
8081         (Layout::finalize): Call link_stabs_sections.
8082         (Layout::link_stabs_sections): New file.
8083         * layout.h (class Layout): Add have_stabstr_section_ field.
8084         Declare link_stabs_sections.
8085
8086 2009-06-23  Doug Kwan  <dougkwan@google.com>
8087
8088         * Makefile.am (libgold_a_LIBADD): New.
8089         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8090         * Makefile.in: Regenerate.
8091         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8092         * configure: Regenerate.
8093         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8094         * fileread.cc: Include sys/state.h
8095         * gold.h: Declare memmem and strndup if found missing.
8096         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8097
8098 2009-06-23  Ian Lance Taylor  <iant@google.com>
8099
8100         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8101         * configure: Rebuild.
8102
8103 2009-06-23  Ian Lance Taylor  <iant@google.com>
8104
8105         PR 10147
8106         * object.cc (Object::section_contents): Don't try to get a view if
8107         the section has length zero.
8108         (Object::handle_gnu_warning_section): If the section is empty, use
8109         the name of the section as the warning.
8110
8111 2009-06-23  Ian Lance Taylor  <iant@google.com>
8112
8113         PR 10133
8114         * stringpool.h (class Stringpool_template): Add optimize_ field.
8115         (Stringpool_template::set_optimize): New function.
8116         * stringpool.cc (Stringpool_template::Stringpool_template):
8117         Initialize optimize_ field.
8118         (Stringpool_template::set_string_offsets): Test local optimize
8119         fild rather than parameter.
8120         * layout.cc (Layout::Layout): Call set_optimize on the section
8121         name stringpool.
8122
8123 2009-06-22  Ian Lance Taylor  <iant@google.com>
8124
8125         PR 10030
8126         * yyscript.y: Parse TARGET.
8127         * script.cc (script_set_target): New function.
8128         * script-c.h (script_set_target): Declare.
8129         * options.cc (General_options::string_to_object_format): Rename
8130         from string_to_object_format in anonymous namespace.  Change
8131         callers.
8132         * options.h (class General_options): Declare
8133         string_to_object_format.
8134
8135 2009-06-22  Ian Lance Taylor  <iant@google.com>
8136
8137         * script-sections.cc (Script_sections::create_segments): Don't put
8138         program headers in a PT_LOAD segment if -n or -N.
8139
8140 2009-06-22  Ian Lance Taylor  <iant@google.com>
8141
8142         PR 10141
8143         * options.h (class General_options): Add -z lazy and -z now.  Sort
8144         -z options into alphabetical order.
8145         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8146
8147 2009-06-21  Ian Lance Taylor  <iant@google.com>
8148
8149         * layout.cc (Layout::make_output_section): Call
8150         Target::new_output_section.
8151         (Layout::attach_allocated_section_to_segment): Put large section
8152         sections in a separate load segment with the large segment flag
8153         set.
8154         (Layout::segment_precedes): Sort large data segments after other
8155         load segments.
8156         (align_file_offset): New static function.
8157         (Layout::set_segment_offsets): Use align_file_offset.
8158         * output.h (class Output_section): Add is_small_section_ and
8159         is_large_section_ fields.
8160         (Output_section::is_small_section): New function.
8161         (Output_section::set_is_small_section):  New function.
8162         (Output_section::is_large_section): New function.
8163         (Output_section::set_is_large_section): New function.
8164         (Output_section::is_large_data_section): New function.
8165         (class Output_segment): Add is_large_data_segment_ field.
8166         (Output_segment::is_large_data_segment): New function.
8167         (Output_segment::set_is_large_data_segment): New function.
8168         * output.cc (Output_section::Output_section): Initialize new
8169         fields.
8170         (Output_segment::Output_segment): Likewise.
8171         (Output_segment::add_output_section): Add assertion that large
8172         data sections always go in large data segments.  Force small data
8173         sections to the end of the list of data sections.  Force small BSS
8174         sections to the start of the list of BSS sections.  For large BSS
8175         sections to the end of the list of BSS sections.
8176         * symtab.h (class Symbol): Declare is_common_shndx.
8177         (Symbol::is_defined): Check Symbol::is_common_shndx.
8178         (Symbol::is_common): Likewise.
8179         (class Symbol_table): Define enum Commons_section_type.  Update
8180         declarations.  Add small_commons_ and large_commons_ fields.
8181         * symtab.cc (Symbol::is_common_shndx): New function.
8182         (Symbol_table::Symbol_table): Initialize new fields.
8183         (Symbol_table::add_from_object): Put small and large common
8184         symbols in the right list.
8185         (Symbol_table::sized_finalized_symbol): Check
8186         Symbol::is_common_shndx.
8187         (Symbol_table::sized_write_globals): Likewise.
8188         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8189         common symbol lists.  Don't call do_allocate_commons_list if the
8190         list is empty.
8191         (Symbol_table::do_allocate_commons_list): Remove is_tls
8192         parameter.  Add comons_section_type parameter.  Change all
8193         callers.  Handle small and large common symbols.
8194         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8195         Symbol::is_common_shndx.
8196         * resolve.cc (symbol_to_bits): Likewise.
8197         * target.h (Target::small_common_shndx): New function.
8198         (Target::small_common_section_flags): New function.
8199         (Target::large_common_shndx): New function.
8200         (Target::large_common_section_flags): New function.
8201         (Target::new_output_section): New function.
8202         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8203         small_common_section_flags, and large_common_section_flags
8204         fields.
8205         (Target::do_new_output_section): New virtual function.
8206         * arm.cc (Target_arm::arm_info): Initialize new fields.
8207         * i386.cc (Target_i386::i386_info): Likewise.
8208         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8209         Likewise.
8210         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8211         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8212         (Target_x86_64::do_new_output_section): New function.
8213         * configure.ac: Define conditional MCMODEL_MEDIUM.
8214         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8215         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8216         (large_LDFLAGS): Define.
8217         * testsuite/large.c: New file.
8218         * testsuite/testfile.cc (Target_test::test_target_info):
8219         Initialize new fields.
8220         * configure, testsuite/Makefile.in: Rebuild.
8221
8222 2009-06-05  Doug Kwan  <dougkwan@google.com>
8223
8224         * Makefile.am (CCFILES): Add target.cc.
8225         * Makefile.in: Regenerate.
8226         * i386.cc (class Target_i386): Define new virtual method to
8227         override do_is_local_label_name in parent.
8228         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8229         local symbols if --discard-locals or -X is given.
8230         * options.h (class General_options): Declare new options
8231         '--discard-locals' and '-X' for discarding locals.
8232         * target.h (class Target): Define new methods is_local_label_name.
8233         Declare new virtual method do_is_local_label_name.
8234         * target.cc: New file.
8235         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8236         (check_SCRIPTS): Add discard_locals_test.sh.
8237         (check_DATA): Add discard_local_tests.syms.
8238         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8239         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8240         * testsuite/Makefile.in: Regenerate.
8241         * testsuite/discard_locals_test.c: New file.
8242         * testsuite/discard_locals_test.sh: Same.
8243
8244 2009-06-05  Doug Kwan  <dougkwan@google.com>
8245
8246         * object.cc (Sized_relobj::Sized_relobj): Initialize
8247         discarded_eh_frame_shndx_ to -1U.
8248         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8249         section.
8250         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8251         a discarded .eh_frame section.
8252         (Sized_relobj::do_finalize_local_symbols): Ditto.
8253         * object.h (class Sized_relobj): Declare new member
8254         discarded_eh_frame_shndx_.
8255         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8256         (local_labels_test.o, local_labels_test): New rules.
8257         * testsuite/Makefile.in: Regenerate.
8258
8259 2009-06-04  Doug Kwan  <dougkwan@google.com>
8260
8261         * layout.cc (Layout::section_name_mapping): Add mapping for
8262         special ARM sections.
8263
8264 2009-06-03  Doug Kwan  <dougkwan@google.com>
8265
8266         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8267         (utils::has_overflow): Same.
8268
8269 2009-06-03  Ian Lance Taylor  <iant@google.com>
8270
8271         * layout.cc (Layout::section_name_mapping): New array, replacing
8272         Layout::linkonce_mapping.
8273         (Layout::section_name_mapping_count): New variable, replacing
8274         Layout::linkonce_mapping_count.
8275         (Layout::linkonce_output_name): Remove.
8276         (Layout::output_section_name): Rewrite.
8277         * layout.h (class Layout): Rename Linkonce_mapping to
8278         Section_name_mapping, linkonce_mapping to section_name_mapping,
8279         linkonce_mapping_count to section_name_mapping_count.  Don't
8280         declare linkonce_output_name.
8281
8282 2009-06-03  Doug Kwan  <dougkwan@google.com>
8283
8284         * gold/arm.cc (namespace utils): New.
8285         (Target_arm::reloc_is_non_pic): Define new method.
8286         (class Arm_relocate_functions): New.
8287         (Target_arm::Relocate::relocate): Handle relocation types used by
8288         Android.
8289
8290 2009-06-03  Ian Lance Taylor  <iant@google.com>
8291
8292         * arm.cc (Target_arm::scan::global): Use || instead of |.
8293
8294 2009-06-02  Doug Kwan  <dougkwan@google.com>
8295
8296         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8297         issued_non_pic_error_.
8298         (class Target_arm::Scan): Declare new method check_non_pic.
8299         Define new method symbol_needs_plt_entry.
8300         Declare new data member issued_non_pic_error_.
8301         (class Target_arm::Relocate): Declare new method
8302         should_apply_static_reloc.
8303         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8304         (Target_arm::Scan::check_non_pic): Define new method.
8305         (Target_arm::Scan::local): Handle a small subset of reloc types used
8306         by Android.
8307         (Target_arm::Scan::local): Same.
8308         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8309
8310 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8311
8312         * incremental.cc (Incremental_inputs::report_command_line): Filter
8313         out --incremental-* options.
8314
8315 2009-05-29  Doug Kwan  <dougkwan@google.com>
8316
8317         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8318         template class.
8319         (class Target_arm): Update comment.
8320         (Target_arm::Target_arm): Initialize new data members GOT_,
8321         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8322         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8323         and Target_arm::rel_dyn_section.
8324         Declare new_enum Target_arm::Got_type.
8325         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8326         and DYNBSS_.
8327         Update commments for member do_dynsym_value.
8328         (Target_arm::got_size, Target_arm::plt_section,
8329         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8330         new methods inside class defintion.
8331         (Target_arm::got_section): Define new method.
8332         (Target_arm::rel_dyn_section): Same.
8333         (Output_data_plt_arm): New template class.
8334         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8335         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8336         (Output_data_plt_arm::add_entry): Same.
8337         (Output_data_plt_arm::first_plt_entry): Define new
8338         static data member for PLT instruction template.
8339         (Output_data_plt_arm::plt_entry): Same.
8340         (Output_data_plt_arm::do_write): Define new method.
8341         (Target_arm::make_plt_entry): Same.
8342         (Target_arm::do_finalize_sections): Same.
8343         (Target_arm::do_dynsym_value): Same.
8344
8345 2009-05-28  Doug Kwan  <dougkwan@google.com>
8346
8347         * Makefile.am (TARGETSOURCES): Add arm.cc.
8348         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8349         * Makefile.in: Regenerate.
8350         * arm.cc: New file.
8351         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8352
8353 2009-05-26  Doug Kwan  <dougkwan@google.com>
8354
8355         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8356         (General_options::check_excluded_libs): Strip off directories in
8357         archive name before matching like GNU ld does.
8358         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8359         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8360         (exclude_libs_test_LDFLAGS): Add linker option
8361         -Wl,--exclude-libs,libexclude_libs_test_3
8362         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8363         an explicit archive without using -l.
8364         (alt/libexclude_libs_test_3.a): New make rule.
8365         * testsuite/Makefile.in: Regenerate.
8366         * testsuite/exclude_libs_test.c : Declare lib3_default().
8367         (main): Call it.
8368         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8369         * exclude_libs_test_3.c: New file.
8370
8371 2009-05-26  Nick Clifton  <nickc@redhat.com>
8372
8373         * po/id.po: New Indonesian translation.
8374         * po/gold.pot: Updated template file.
8375
8376 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8377
8378         * testsuite/Makefile.am: Add -ffunction-sections to compile
8379         gc_comdat_test files.  Add -Wl,--gc-sections to build
8380         gc_comdat_test.
8381         * testsuite/Makefile.in: Regenerate.
8382         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8383
8384 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8385
8386         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8387         kept comdat section was garbage collected.
8388         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8389         * testsuite/Makefile.in: Regenerate.
8390         * testsuite/gc_comdat_test.sh: New file.
8391         * testsuite/gc_comdat_test_1.cc: New file.
8392         * testsuite/gc_comdat_test_2.cc: New file.
8393
8394 2009-05-19  Doug Kwan  <dougkwan@google.com>
8395
8396         * archive.cc (Archive::Archive): Move constructor from archive.h
8397         to here.  Initialize no_export_.
8398         (Archive::get_elf_object_for_member): Set no_export flag of object.
8399         * archive.h (Archive::Archive): Move constructor body to
8400         archive.cc.
8401         (Archive::no_export): New method.
8402         (Archive::no_export_): New field.
8403         * object.h (Object::Object): Initialize no_export_ to false.
8404         (Object::no_export, Object::set_no_export): New methods.
8405         (Object::no_export_): New field.
8406         * options.cc (General_options::parse_exclude_libs): New method.
8407         (General_options::check_excluded_libs) Same.
8408         * options.h (exclude_libs): New option.
8409         (General_options::check_excluded_libs): New method declaration.
8410         (General_options::excluded_libs_): New field.
8411         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8412         default or protected visibility if an object has no-export flag set.
8413         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8414         (check_SCRIPTS): Add exclude_libs_test.sh.
8415         (check_DATA): Add exclude_libs_test.syms.
8416         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8417         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8418         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8419         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8420         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8421         libexclude_libs_test_2.a): New rules.
8422         * testsuite/Makefile.in: Regenerate.
8423         * testsuite/exclude_libs_test.c: New file.
8424         * testsuite/exclude_libs_test.sh: Ditto.
8425         * testsuite/exclude_libs_test_1.c: Ditto.
8426         * testsuite/exclude_libs_test_2.c: Ditto.
8427
8428 2009-05-15  Ian Lance Taylor  <iant@google.com>
8429
8430         * configure.ac: Check for declarations for cases where libiberty.h
8431         checks HAVE_DECL_xxx.
8432         * configure, config.in: Rebuild.
8433
8434 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8435
8436         * gold.h (Incremental_argument_list): Remove (invalid) forward
8437         declaration.
8438         * incremental.cc (Incremental_inputs::report_achive): New method.
8439         (Incremental_inputs::report_object): New method.
8440         (Incremental_inputs::report_script): New method.
8441         (Incremental_inputs::finalize_inputs): New method.
8442         (Incremental_inputs::finalize): Call finalize_inputs().
8443         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8444         Create inputs entries.
8445         * incremental.h (Incremental_input_type): New enum.
8446         (Incremental_inputs::Incremental_input): Initialize new fields.
8447         (Incremental_inputs::report_inputs): New method.
8448         (Incremental_inputs::report_achive): New method.
8449         (Incremental_inputs::report_object): New method.
8450         (Incremental_inputs::report_script): New method.
8451         (Incremental_inputs::finalize_inputs): New method.
8452         (Incremental_inputs::Input_info): New struct.
8453         (Incremental_inputs::Input_info_map): New typedef.
8454         (Incremental_inputs::lock_): New field.
8455         (Incremental_inputs::Inputs_): New field.
8456         (Incremental_inputs::Inputs_map): New field.
8457         * main.cc (main): Call Incremental_input::report_inputs.
8458         * options.h (Input_argument_list): Typedef moved from
8459         Input_arguments.
8460         (Input_file_group::Files): Remove, use ::Input_argument_list.
8461         (Input_file_group::Input_argument_list): Remove, use
8462         ::Input_argument_list.
8463         * plugin.cc (Plugin_manager::add_input_file): Add error in
8464         incremental build.
8465         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8466         functions.
8467         * script.cc (read_input_script): Call
8468         Incremental_input::report_script.
8469         * script.h (Script_info): New class.
8470
8471 2009-04-27  Ian Lance Taylor  <iant@google.com>
8472
8473         * x86_64.cc (do_adjust_output_section): Set entsize to
8474         plt_entry_size.
8475
8476 2009-04-23  Elliott Hughes  <enh@google.com>
8477
8478         * output.cc (Output_file::close): After short writes, continue
8479         writing from the correct offset in the buffer being written.
8480
8481 2009-04-23  Chris Demetriou  <cgd@google.com>
8482
8483         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8484         * configure: Regenerate.
8485         * config.in: Regenerate.
8486         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8487         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8488
8489 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8490
8491         * incremental.cc (Incremental_inputs_header_data): Renamed from
8492         Incremental_input_header_data.
8493         (Incremental_inputs_header_data::data_size): New field.
8494         (Incremental_inputs_header_data::put_input_file_count): Renamed
8495         from input_file_count.
8496         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8497         from command_line_offset.
8498         (Incremental_inputs_header_data::put_reserved): Renamed from
8499         put_reserved.
8500         (Incremental_inputs_entry_data): Renamed from
8501         Incremental_input_entry_data.
8502         (Incremental_inputs_entry_data::data_size): New field.
8503         (Incremental_inputs::report_command_line): New method.
8504         (Incremental_inputs::finalize): New method.
8505         (Incremental_inputs::create_incremental_inputs_data): New method.
8506         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8507         * incremental.h: New file.
8508         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8509        (Layout::finalize): Create incremental inputs section in
8510         incremental builds.
8511        (Layout::create_incremental_info_sections): New method.
8512         * layout.h (Layout::incremental_inputs): New method.
8513        (Layout::create_incremental_info_sections): New method.
8514        (Layout::incremental_inputs_): New field.
8515         * main.cc (main): Notify Incremental_input of the command line.
8516
8517 2009-04-01  Ian Lance Taylor  <iant@google.com>
8518             Mikolaj Zalewski  <mikolajz@google.com>
8519
8520         * gold.h (reserve_unordered_map): Define, three versions, one for
8521         each version of Unordered_map.
8522         * layout.cc (Layout::Layout): Remove options parameter.  Add
8523         number_of_input_files parameter.  Don't initialize options_.
8524         Initialize number_of_input_files_ and resized_signatures_.  Move
8525         sections_are_attached_.
8526         (Layout::layout_group): Reserve space for group_signatures_.
8527         (Layout::find_or_add_kept_section): Change name parameter to be a
8528         reference.  Resize signatures_ map when it gets large enough.
8529         (Layout::layout_eh_frame): Use parameters->options() instead of
8530         this->options_.
8531         (Layout::make_output_section): Likewise.
8532         (Layout::attach_allocated_section_to_segment): Likewise.
8533         (Layout::finalize, Layout::create_executable_stack): Likewise.
8534         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8535         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8536         * layout.h (class Layout): Update declarations.  Remove options_
8537         field.  Add number_of_input_files_ and resized_signatures_
8538         fields.  Move sections_are_attached_ field.
8539         * main.cc (main): Pass number of input files to Layout
8540         constructor.  Don't pass options.
8541
8542 2009-03-30  Ian Lance Taylor  <iant@google.com>
8543
8544         * ffsll.c (ffsll): Correct implementation.
8545
8546 2009-03-27  Ian Lance Taylor  <iant@google.com>
8547
8548         * ffsll.c: New file.
8549         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8550         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8551         * ftruncate.c (ftruncate): Declare before definition.
8552         * mremap.c (mremap): Likewise.
8553         * pread.c (pread): Likewise.
8554         * configure, Makefile.in, config.in: Rebuild.
8555
8556         * mremap.c: New file.
8557         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8558         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8559         (mremap): Declare if HAVE_MREMAP is not defined.
8560         * configure, Makefile.in, config.in: Rebuild.
8561
8562 2009-03-27  Cary Coutant  <ccoutant@google.com>
8563
8564         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8565         position independent.
8566         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8567         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8568
8569 2009-03-24  Cary Coutant  <ccoutant@google.com>
8570
8571         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8572         an executable.
8573         (needs_dynamic_reloc): Likewise.
8574
8575 2009-03-24  Ian Lance Taylor  <iant@google.com>
8576
8577         * yyscript.y (file_cmd): Recognize EXTERN.
8578         (extern_name_list, extern_name_list_body): New nonterminals.
8579         * script.cc (script_add_extern): Define.
8580         * script-c.h (script_add_extern): Declare.
8581
8582 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8583
8584         * object.cc (is_elf_object): Define.
8585         * object.h (is_elf_object): Declare.
8586         * archive.cc (Archive::get_elf_object_for_member): Call
8587         is_elf_object.
8588         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8589
8590 2009-03-24  Elliott Hughes  <enh@google.com>
8591
8592         * output.cc (Output_file::map_anonymous): Define.
8593         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8594         try an anonymous one.  Report the size if the mmap fails.
8595         * output.h (class Output_file): Declare map_anonymous.
8596
8597 2009-03-24  Ian Lance Taylor  <iant@google.com>
8598
8599         * target-select.cc (instantiate_target): Don't acquire the lock if
8600         the instantiated_target_ field has already been set.
8601
8602 2009-03-23  Ian Lance Taylor  <iant@google.com>
8603
8604         * gold-threads.h (class Initialize_lock): Define.
8605         * gold-threads.cc (class Initialize_lock_once): Define.
8606         (initialize_lock_control): New static variable.
8607         (initialize_lock_pointer): New static variable.
8608         (initialize_lock_once): New static function.
8609         (Initialize_lock::Initialize_lock): Define.
8610         (Initialize_lock::initialize): Define.
8611         * target-select.h: Include "gold-threads.h".
8612         (class Target_selector): Add lock_ and initialize_lock_ fields.
8613         Don't define instantiate_target, just declare it.
8614         * target-select.cc (Target_selector::Target_selector): Initialize
8615         new fields.
8616         (Target_selector::instantiate_target): Define.
8617         * descriptors.h: Include "gold-threads.h".
8618         (class Descriptors): Add initialize_lock_ field.
8619         * descriptors.cc (Descriptors::Descriptors): Initialize new
8620         field.
8621         (Descriptors::open): Use initialize_lock_ field
8622         * errors.h (class Errors): Add initialize_lock_ field.
8623         * errors.cc (Errors::Errors): Initialize new field.
8624         (Errors::initialize_lock): Use initialize_lock_ field.
8625         * powerpc.cc (class Target_selector_powerpc): Remove
8626         instantiated_target_ field.  In do_recognize call
8627         instantiate_target rather than do_instantiate_target.  In
8628         do_instantiate_target just allocate a new target.
8629         * sparc.cc (class Target_selector_sparc): Likewise.
8630
8631         * freebsd.h: New file.
8632         * i386.cc: Include "freebsd.h".
8633         (Target_i386): Derive from Target_freebsd rather than
8634         Sized_target.
8635         (Target_selector_i386): Derive from Target_selector_freebsd rather
8636         than Target_selector.
8637         * x86_64.cc: Include "freebsd.h".
8638         (Target_x86_64): Derive from Target_freebsd rather than
8639         Sized_target.
8640         (Target_selector_x86_64): Derive from Target_selector_freebsd
8641         rather than Target_selector.
8642         * target.h (class Target): Add adjust_elf_header and
8643         do_adjust_elf_header.
8644         * output.cc (Output_file_header:: do_sized_write): Call target
8645         adjust_elf_header routine.
8646         * configure.tgt: Set targ_osabi.
8647         * configure.ac: Define GOLD_DEFAULT_OSABI.
8648         * parameters.cc (Parameters::default_target): Pass
8649         GOLD_DEFAULT_OSABI to select_target.
8650         * target-select.h (class Target_selector): Make instantiate_target
8651         protected rather than private.
8652         * Makefile.am (HFILES): Add freebsd.h.
8653         * configure, Makefile.in, config.in: Rebuild.
8654
8655         * merge.cc (do_add_input_section): Correct pend value.  Change
8656         message about last entry not being null terminated from error to
8657         warning.
8658
8659 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8660
8661         * incremental.cc: New file.
8662         * Makefile.am (CCFILES): Add incremental.cc.
8663         * Makefile.in: Rebuild.
8664
8665 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8666
8667         * layout.cc (Layout::output_section_name): Preserve names
8668         of '.note.' sections.
8669
8670 2009-03-19  Ian Lance Taylor  <iant@google.com>
8671
8672         * descriptors.cc (Descriptors::open): Check that the options are
8673         valid before using them.
8674
8675 2009-03-18  Ian Lance Taylor  <iant@google.com>
8676
8677         * script-sections.h: Include <list>.
8678         (class Script_sections): Change Sections_elements from std::vector
8679         to std::list.  Typedef public Elements_iterator.  Add
8680         orphan_section_placement_, data_segment_align_start_, and
8681         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8682         field.
8683         * script-sections.cc (class Orphan_section_placement): New class.
8684         (class Sections_element): Add virtual functions is_relro and
8685         orphan_section_init.  Remove virtual function place_orphan_here.
8686         (class Output_section_definition): Add is_relro and
8687         orphan_section_init.  Remove place_orphan_here.
8688         (class Orphan_output_section): Likewise.
8689         (Script_sections::Script_sections): Update for field changes.
8690         (Script_sections::data_segment_align): Set saw_data_segment_align_
8691         and data_segment_align_start_, not data_segment_align_index.
8692         (Script_sections::data_segment_relro_end): Check
8693         saw_data_segment_align_.  Use data_segment_align_start_ rather
8694         than data_segment_align_index_.
8695         (Script_sections::place_orphan): Rewrite to use
8696         Orphan_section_placement.
8697
8698 2009-03-17  Ian Lance Taylor  <iant@google.com>
8699
8700         * archive.cc (Archive::add_symbols): Check for a version attached
8701         to the symbol name in the archive map.
8702         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8703         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8704         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8705         (ver_test_11.a): New target.
8706         * testsuite/Makefile.in: Rebuild.
8707
8708         * configure.ac: Check for chsize and posix_fallocate.  Replace
8709         ftruncate.
8710         * ftruncate.c: New file, from gnulib.
8711         * output.cc (posix_fallocate): Define dummy version if not
8712         HAVE_POSIX_FALLOCATE.
8713         (Output_file::map): Call posix_fallocate rather than lseek and
8714         write.
8715         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8716         * configure, Makefile.in, config.in: Rebuild.
8717
8718 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8719
8720         * layout.h (Layout::create_note): Add section_name parameter.
8721         * layout.cc (Layout::create_note): Likewise.
8722         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8723
8724 2009-03-17  Ian Lance Taylor  <iant@google.com>
8725
8726         * descriptors.cc: Include "options.h".
8727         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8728         (Descriptors::open): Always use O_CLOEXEC when opening a new
8729         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8730         then set FD_CLOEXEC.
8731
8732         * sparc.cc (class Target_sparc): Add has_got_section.
8733         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8734         make sure we have a GOT section.
8735
8736         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8737         (Target_sparc::Scan::local): Likewise.
8738         (Target_sparc::Scan::global): Likewise.
8739         (Target_sparc::Relocate::relocate): Likewise.
8740         (Target_sparc::Relocate::relocate_tls): Likewise.
8741
8742         * symtab.cc (Symbol_table::define_default_version): New function,
8743         broken out of add_from_object.
8744         (Symbol_table::add_from_object): Call define_default_version.
8745         (Symbol_table::define_special_symbol): Add resolve_oldsym
8746         parameter.  Change all callers.  If the version for a symbol comes
8747         from a version script, resolve it with the symbol with the same
8748         name with no version.  Also add the symbol without a version if
8749         appropriate.
8750         (do_define_in_output_data): If resolving with oldsym, don't delete
8751         sym.
8752         (do_define_in_output_segment): Likewise.
8753         (do_define_as_constant): Likewise.
8754         * symtab.h (class Symbol_table): Update declarations.
8755
8756 2009-03-13  Ian Lance Taylor  <iant@google.com>
8757
8758         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8759         (Read_symbols::requeue): New function.
8760         (Read_symbols::do_read_symbols): If make_elf_object fails because
8761         the target type is not configured, and the file was searched for,
8762         issue a warning and retry with the next directory.
8763         (Add_symbols::run): If the file has an incompatible format, and
8764         it was searched for, requeue the Read_symbols task.  On error,
8765         release the object.
8766         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8767         dirindex parameter to constructor.  Change all callers.  Declare
8768         incompatible_warning and requeue.
8769         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8770         input_argument_ and input_group_ fields.  Add them to
8771         constructor.  Change all callers.
8772         (class Read_script): Add dirindex_ field.  Add it to constructor.
8773         Change all callers.
8774         * archive.cc (Archive::setup): Remove input_objects parameter.
8775         Change all callers.
8776         (Archive::get_file_and_offset): Likewise.
8777         (Archive::read_all_symbols): Likewise.
8778         (Archive::read_symbols): Likewise.
8779         (Archive::get_elf_object_for_member): Remove input_objects
8780         parameter.  Add punconfigured parameter.  Change all callers.
8781         (Archive::add_symbols): Change return type to bool.  Check return
8782         value of include_member.
8783         (Archive::include_all_members): Likewise.
8784         (Archive::include_member): Change return type to bool.  Return
8785         false if first included object has incompatible target.  Set
8786         included_member_ field.
8787         (Add_archive_symbols::run): If add_symbols returns false, requeue
8788         Read_symbols task.
8789         * archive.h (class Archive): Add included_member_ field.
8790         Initialize it in constructor.  Add input_file and searched_for
8791         methods.  Update declarations.
8792         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8793         input_argument_ fields.  Add them to constructor.  Change all
8794         callers.
8795         * script.cc: Include "target-select.h".
8796         (class Parser_closure): Add skip_on_incompatible_target_ and
8797         found_incompatible_target_ fields.  Add
8798         skip_on_incompatible_target parameter to constructor.  Change all
8799         callers.  Add methods skip_on_incompatible_target,
8800         clear_skip_on_incompatible_target, found_incompatible_target, and
8801         set_found_incompatible_target.
8802         (read_input_script): Add dirindex parameter.  Change all callers.
8803         If parser finds an incompatible target, requeue Read_symbols
8804         task.
8805         (script_set_symbol): Clear skip_on_incompatible_target in
8806         closure.
8807         (script_add_assertion, script_parse_option): Likewise.
8808         (script_start_sections, script_add_phdr): Likewise.
8809         (script_check_output_format): New function.
8810         * script.h (read_input_script): Update declaration.
8811         * script-c.h (script_check_output_format): Declare.
8812         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8813         (ignore_cmd): Remove OUTPUT_FORMAT.
8814         * fileread.cc (Input_file::Input_file): Add explicit this.
8815         (Input_file::will_search_for): New function.
8816         (Input_file::open): Add pindex parameter.  Change all callers.
8817         * fileread.h (class Input_file): Add input_file_argument method.
8818         Declare will_search_for.  Update declarations.
8819         * object.cc (make_elf_object): Add punconfigured parameter.
8820         Change all callers.
8821         * object.h (class Object): Make input_file public.  Add
8822         searched_for method.
8823         (make_elf_object): Update declaration.
8824         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8825         restart search.
8826         * dirsearch.h (class Dirsearch): Update declaration.
8827         * options.h (class General_options): Add --warn-search-mismatch.
8828         * parameters.cc (Parameters::is_compatible_target): New function.
8829         * parameters.h (class Parameters): Declare is_compatible_target.
8830         * workqueue.cc (Workqueue::add_blocker): New function.
8831         * workqueue.h (class Workqueue): Declare add_blocker.
8832
8833         * fileread.cc (Input_file::open): Remove options parameter.
8834         Change all callers.
8835         (Input_file::open_binary): Likewise.
8836         * script.cc (read_input_script): Likewise.
8837         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8838         options parameter from constructor.  Change all callers.
8839         (class Read_script): Likewise.
8840         * fileread.h (class Input_file): Update declarations.
8841         * script.h (read_input_script): Update declaration.
8842
8843 2009-03-10  Nick Clifton  <nickc@redhat.com>
8844
8845         * po/es.po: New Spanish translation.
8846
8847 2009-03-06  Cary Coutant  <ccoutant@google.com>
8848
8849         * options.cc (parse_short_option): Keep dash_z from registering itself.
8850
8851 2009-03-03  Ian Lance Taylor  <iant@google.com>
8852
8853         PR 9918
8854         * target-reloc.h (relocate_section): Pass output_section to
8855         relocate.
8856         * i386.cc (Target_i386::should_apply_static_reloc): Add
8857         output_section parameter.  Change all callers.
8858         (Target_i386::Relocate::relocate): Add output_section parameter.
8859         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8860         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8861         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8862         * testsuite/two_file_shared.sh: New script.
8863         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8864         (check_DATA): Add two_file_shared.dbg.
8865         (two_file_shared.dbg): New target.
8866         * testsuite/Makefile.in: Rebuild.
8867
8868 2009-03-01  Ian Lance Taylor  <iant@google.com>
8869
8870         * configure.ac: Check for byteswap.h.
8871         * configure: Rebuild.
8872         * config.in: Rebuild.
8873
8874 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8875
8876         * layout.cc (Layout::find_or_add_kept_section): New function.
8877         (Layout::add_comdat): Removed.
8878         * layout.h (struct Kept_section): Move out of class Layout.
8879         Remove trailing underscores from field names.  Add group_sections
8880         field.  Rename group_ field to is_group.  Change all uses.
8881         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8882         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8883         comdat_groups_ field.
8884         (Sized_relobj::include_section_group): Use
8885         find_or_add_kept_section and Kept_section::group_sections.
8886         (Sized_relobj::include_linkonce_section): Likewise.
8887         * object.cc (class Sized_relobj): Don't define Comdat_group or
8888         Comdat_group_table.  Remove find_comdat_group and
8889         add_comdat_group.  Remove comdat_groups_ field.
8890         * plugin.cc (include_comdat_group): Use
8891         Layout::find_or_add_kept_section.
8892
8893 2009-02-28  Ian Lance Taylor  <iant@google.com>
8894
8895         * README: --gc-sections and map files are now supported.  Document
8896         some build requirements.
8897
8898         PR 6992
8899         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8900         relocatable link set the value of the section symbol to zero.
8901         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8902         relocatable link don't include the section address in the local
8903         symbol value.
8904
8905 2009-02-27  Ian Lance Taylor  <iant@google.com>
8906
8907         PR 6811
8908         * options.h (class Search_directory): Add is_system_directory.
8909         (class General_options): Declare is_in_system_directory.
8910         * options.cc (get_relative_sysroot): Make static.
8911         (get_default_sysroot): Make static.
8912         (General_optoins::is_in_system_directory): New function.
8913         * fileread.cc (Input_file::is_in_system_directory): New function.
8914         * fileread.h (class Input_file): Declare is_in_system_directory.
8915         * object.h (class Object): Add is_in_system_directory.
8916         (class Input_objects): Remove system_library_directory_ field.
8917         * object.cc (Input_objects::add_object): Don't set
8918         system_library_directory_.
8919         (input_objects::found_in_system_library_directory): Remove.
8920         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8921         parameter.  Change all callers.
8922         (Symbol_table::sized_write_globals): Likewise.
8923         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8924         Call Object::is_in_system_directory.
8925         * symtab.h (class Symbol_table): Update declarations.
8926
8927         PR 5990
8928         * descriptors.h (Open_descriptor): Add is_on_stack field.
8929         * descriptors.cc (Descriptors::open): If the descriptor is on the
8930         top of the stack, remove it.  Initialize is_on_stack field.
8931         (Descriptors::release): Only add pod to stack if it is not on the
8932         stack already.
8933         (Descriptors::close_some_descriptor): Clear stack_next and
8934         is_on_stack fields.
8935
8936         PR 7091
8937         * output.cc (Output_section::find_starting_output_address): Rename
8938         from starting_output_address; add PADDR parameter; change return
8939         type.
8940         * output.h (class Output_section): Declare
8941         find_starting_output_address instead of starting_output_address.
8942         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8943         section symbol for which we can't find a merge section.
8944
8945         PR 9836
8946         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8947         hidden or internal, force the symbol to be local.
8948         * resolve.cc (Symbol::override_visibility): Define.
8949         (Symbol::override_base): Use override_visibility.
8950         (Symbol_table::resolve): Likewise.
8951         (Symbol::override_base_with_special): Likewise.
8952         (Symbol_table::override_with_special): If the visibility is hidden
8953         or internal, force the symbol to be local.
8954         * symtab.h (class Symbol): Add set_visibility and
8955         override_visibility.
8956         * testsuite/ver_test_1.sh: New file.
8957         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8958         (check_DATA): Add ver_test_1.syms.
8959         (ver_test_1.syms): New target.
8960         * testsuite/Makefile.in: Rebuild.
8961
8962 2009-02-25  Cary Coutant  <ccoutant@google.com>
8963
8964         * layout.cc (Layout::choose_output_section): Don't rename sections
8965         when using a linker script that has a SECTIONS clause.
8966         * Makefile.in: Regenerate.
8967
8968         * testsuite/Makefile.am (script_test_5.sh): New test case.
8969         * testsuite/Makefile.in: Regenerate.
8970         * testsuite/script_test_5.cc: New file.
8971         * testsuite/script_test_5.sh: New file.
8972         * testsuite/script_test_5.t: New file.
8973
8974 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8975
8976         * archive.cc (Archive::include_member): Update calls to add_symbols.
8977         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8978         the Layout argument.
8979         * dynobj.h (do_add_symbols): Add the Layout argument.
8980         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8981         Layout argument.
8982         * object.h (Object::add_symbols): Add the Layout argument.
8983         (Object::do_add_symbols): Add the Layout argument.
8984         (Sized_relobj::do_add_symbols): Add the Layout argument.
8985         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8986         Unify the two versions.
8987         (Add_plugin_symbols): Remove.
8988         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8989         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8990         (Add_plugin_symbols): Remove.
8991         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8992         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8993         (Add_symbols::run): Make it work with Pulginobj.
8994
8995 2009-02-06  Ian Lance Taylor  <iant@google.com>
8996
8997         * object.cc (Sized_relobj::do_layout): Make info message start
8998         with lower case letter.
8999
9000 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9001
9002         * binary.cc: Fix file comment.
9003
9004         * options.h (enum Incremental_disposition): Define.
9005         (class General_options): Add new options: --incremental,
9006         --incremental_changed, --incremental_unchanged,
9007         --incremental_unknown.  Add incremental_disposition_ and
9008         implicit_incremental_ fields.
9009         (General_options::incremental_disposition): New function.
9010         (class Position_dependent_options): Add incremental_disposition
9011         option.
9012         (Position_dependent_options::copy_from_options): Set incremental
9013         dispositions.
9014         * options.cc (General_options::parse_incremental_changed): New
9015         function.
9016         (General_options::parse_incremental_unchanged): New function.
9017         (General_options::parse_incremental_unknown): New function.
9018         (General_options::General_options): Initialize new fields
9019         incremental_disposition_ and implicit_incremental_.
9020         (General_options::finalize): Check for uasge of --incremental-*
9021         without --incremental.
9022
9023 2009-02-06  Chris Demetriou  <cgd@google.com>
9024
9025         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9026         pointer and to report location as the file name associated with
9027         the symbol.
9028         (gold_undefined_symbol_at_location): New function to replace the
9029         old gold_undefined_symbol functionality.
9030         * target-reloc.h (relocate_section): Update to use
9031         gold_undefined_symbol_at_location.
9032         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9033         Call gold_undefined_symbol function rather than gold_error.
9034         * errors.h (Errors::undefined_symbol): Take location as a
9035         string, rather than calculating it from a relocation.
9036         * errors.cc (Errors::fatal): Print "fatal error:" before the
9037         formatted message.
9038         (Errors::error, Errors::error_at_location): Print "error: "
9039         before the formatted message.
9040         (Errors::undefined_symbol): Take location as a string, rather
9041         than calculating it from a relocation.
9042         (gold_undefined_symbol_at_location): New function akin to
9043         old gold_undefined_symbol, calculates location from relocation.
9044         (gold_undefined_symbol): Change to take only a Symbol pointer
9045         and to report location as the file name associated with the symbol.
9046         * testsuite/debug_msg.sh: Update for changed error messages.
9047         * testsuite/undef_symbol.sh: Likewise.
9048
9049 2009-02-04  Duncan Sands  <baldrick@free.fr>
9050
9051         PR 9812
9052         * reduced_debug_output.h
9053         (Output_reduced_debug_abbrev_section::failed): Use format for
9054         gold_warning.
9055         (Output_reduced_debug_info_section::faild): Likewise.
9056
9057 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9058
9059         * script.cc (Lazy_demangler): New class.
9060         (Version_script_info::get_symbol_version_helper): Demangle a
9061         symbol only once.
9062
9063 2009-01-29  Cary Coutant  <ccoutant@google.com>
9064
9065         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9066         to __tls_get_addr.
9067         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9068
9069 2009-01-28  Ian Lance Taylor  <iant@google.com>
9070
9071         * version.cc (version_string): Bump to 1.9.
9072
9073         * gold.h: Include <cstring> and <stdint.h>.
9074         * version.cc: Include <cstdio>.
9075         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9076         warning.
9077         * reduced_debug_output.cc (insert_into_vector): Rename from
9078         Insert_into_vector; change all callers.  Use Swap_unaligned to
9079         avoid aliasing issue; remove union since it is unnecessary.
9080
9081 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9082
9083         * Makefile.am (CCFILES): Add gc.cc.
9084         (HFILES): Add gc.h.
9085         * Makefile.in: Regenerate.
9086         * gold.cc (Gc_runner): New class.
9087         (queue_initial_tasks): Call garbage collection related tasks
9088         when corresponding options are invoked.
9089         (queue_middle_gc_tasks): New function.
9090         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9091         processed early before laying out sections during garbage collection.
9092         * gold.h (queue_middle_gc_tasks): New function.
9093         (is_prefix_of): Move from "layout.cc".
9094         * i386.cc (Target_i386::gc_process_relocs): New function.
9095         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9096         * main.cc (main): Create object of class "Garbage_collection".
9097         * object.cc (Relobj::copy_symbols_data): New function.
9098         (Relobj::is_section_name_included): New function.
9099         (Sized_relobj::do_layout): Allow this function to be called twice
9100         during garbage collection and defer layout of section during the
9101         first call.
9102         * object.h (Relobj::get_symbols_data): New function.
9103         (Relobj::is_section_name_included): New function.
9104         (Relobj::copy_symbols_data): New function.
9105         (Relobj::set_symbols_data): New function.
9106         (Relobj::get_relocs_data): New function.
9107         (Relobj::set_relocs_data): New function.
9108         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9109         (Relobj::gc_process_relocs): New function.
9110         (Relobj::do_gc_process_relocs): New pure virtual function.
9111         (Relobj::sd_): New data member.
9112         (Sized_relobj::is_output_section_offset_invalid): New function.
9113         (Sized_relobj::do_gc_process_relocs): New function.
9114         * options.h (General_options::gc_sections): Modify to not be a no-op.
9115         (General_options::print_gc_sections): New option.
9116         * plugin.cc (Plugin_finish::run): Remove function call to
9117         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9118         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9119         * reloc.cc (Read_relocs::run): Add task to process relocs and
9120         determine unreferenced sections when doing garbage collection.
9121         (Gc_process_relocs): New class.
9122         (Sized_relobj::do_gc_process_relocs): New function.
9123         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9124         sections that are garbage collected.
9125         * reloc.h (Gc_process_relocs): New class.
9126         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9127         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9128         symbols whose corresponding sections are garbage collected.
9129         (Symbol_table::Symbol_table): Add new parameter for the garbage
9130         collection object.
9131         (Symbol_table::gc_mark_undef_symbols): New function.
9132         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9133         (Symbol_table::gc_mark_dyn_syms): New function.
9134         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9135         as garbage.
9136         (Symbol_table::add_from_object): Likewise.
9137         (Symbol_table::add_from_relobj): When building shared objects, do not
9138         treat externally visible symbols as garbage.
9139         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9140         table information for static and relocatable links.
9141         * symtab.h (Symbol_table::set_gc): New function.
9142         (Symbol_table::gc): New function.
9143         (Symbol_table::gc_mark_undef_symbols): New function.
9144         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9145         (Symbol_table::gc_mark_dyn_syms): New function.
9146         (Symbol_table::gc_): New data member.
9147         * target.h (Sized_target::gc_process_relocs): New pure virtual
9148         function.
9149         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9150         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9151
9152 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9153
9154         * options.h (General_options::gc_sections): Define as a no-op for now.
9155         (General_options::no_keep_memory): Ditto.
9156         (General_options::Bshareable): Define.
9157         * options.cc (General_options::finalize): Honor -Bshareable.
9158
9159 2009-01-20  Andreas Schwab  <schwab@suse.de>
9160
9161         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9162         read the value in the contents, since we don't use it.  Use the
9163         template endianness when writing.
9164         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9165
9166 2009-01-19  Andreas Schwab  <schwab@suse.de>
9167
9168         * configure.tgt (powerpc64-*): Fix targ_obj.
9169
9170 2009-01-15  Ian Lance Taylor  <iant@google.com>
9171
9172         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9173         local symbols when stripping all symbols.
9174
9175 2009-01-14  Cary Coutant  <ccoutant@google.com>
9176
9177         * output.cc (Output_reloc): Add explicit instantiations.
9178
9179 2009-01-14  Cary Coutant  <ccoutant@google.com>
9180
9181         * archive.cc (Archive::get_elf_object_for_member): Remove call
9182         to File_read::claim_for_plugin.
9183         * descriptors.cc (Descriptors::open): Remove reference to
9184         is_claimed.
9185         (Descriptors::claim_for_plugin): Remove.
9186         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9187         (Descriptors::is_claimed): Remove.
9188         (claim_descriptor_for_plugin): Remove.
9189         * fileread.cc (File_read::claim_for_plugin): Remove.
9190         * fileread.h (File_read::claim_for_plugin): Remove.
9191         (File_read::descriptor): Reopen descriptor if necessary.
9192         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9193         (Plugin_manager::all_symbols_read): Add task parameter. Change
9194         all callers.
9195         (Plugin_manager::get_input_file): New function.
9196         (Plugin_manager::release_input_file): New function.
9197         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9198         corresponding data member.
9199         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9200         and pass to base constructor. Change all callers.
9201         (get_input_file, release_input_file): New functions.
9202         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9203         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9204         (Plugin_manager::all_symbols_read): Add task parameter.
9205         (Plugin_manager::get_input_file): New function.
9206         (Plugin_manager::release_input_file): New function.
9207         (Plugin_manager::task_): New data member.
9208         (Pluginobj::Pluginobj): Add filesize parameter.
9209         (Pluginobj::filename): New function.
9210         (Pluginobj::descriptor): New function.
9211         (Pluginobj::filesize): New function.
9212         (Pluginobj::filesize_): New data member.
9213         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9214         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9215         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9216
9217         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9218         with archive libraries.
9219         * testsuite/Makefile.in: Regenerate.
9220         * testsuite/plugin_test.c (struct sym_info): New type.
9221         (get_input_file, release_input_file): New static variables.
9222         (onload): Capture new transfer vector entries.
9223         (claim_file_hook): Stop reading at end of file according to filesize.
9224         Factor out parsing of readelf output into separate function.
9225         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9226         APIs and get the source file name from the symbol table.  Convert
9227         source file name to corresponding object file name.  Print info
9228         message when adding new input files.
9229         (parse_readelf_line): New function.
9230         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9231         * testsuite/plugin_test_2.sh: Likewise.
9232         * testsuite/plugin_test_3.sh: Likewise.
9233         * testsuite/plugin_test_4.sh: New test case.
9234
9235 2009-01-07  Ian Lance Taylor  <iant@google.com>
9236
9237         * version.cc (version_string): Bump to 1.8.
9238
9239 2008-12-23  Cary Coutant  <ccoutant@google.com>
9240
9241         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9242         * plugin.cc (Plugin_manager::finish): Rename as
9243         layout_deferred_objects.  Move cleanup to separate function.
9244         (Plugin_manager::cleanup): New function.
9245         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9246         separately.
9247         * plugin.h (Plugin_manager::finish): Rename as
9248         layout_deferred_objects.
9249         (Plugin_manager::cleanup): New function.
9250         (Plugin_manager::cleanup_done): New field.
9251
9252 2008-12-23  Cary Coutant  <ccoutant@google.com>
9253
9254         * plugin.cc (is_visible_from_outside): New function.
9255         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9256         so we don't return "IR only" status for exported symbols or -r links.
9257
9258         * testsuite/Makefile.am (plugin_test_3): New test case.
9259         * testsuite/Makefile.in: Regenerate.
9260         * testsuite/plugin_test_3.sh: New file.
9261
9262 2008-12-22  Cary Coutant  <ccoutant@google.com>
9263
9264         * object.cc (Sized_relobj::layout_section): New function.
9265         (Sized_relobj::do_layout): Defer layout of input sections until after
9266         plugin has provided replacement files.
9267         (Sized_relobj::do_layout_deferred_sections): New function.
9268         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9269         (Relobj::layout_deferred_sections): New function.
9270         (Relobj::do_layout_deferred_sections): New function.
9271         (Sized_relobj::do_layout_deferred_sections): New function.
9272         (Sized_relobj::layout_section): New function.
9273         (Sized_relobj::Deferred_layout): New structure.
9274         (Sized_relobj::deferred_layout_): New field.
9275         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9276         Change all callers.  Layout deferred sections.
9277         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9278         references.
9279         (Plugin_hook::run): Move code from do_plugin_hook inline.
9280         (Plugin_hook::do_plugin_hook): Remove.
9281         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9282         (Plugin_manager::finish): Renamed, was cleanup.
9283         (Plugin_manager::should_defer_layout): New function.
9284         (Plugin_manager::add_deferred_layout_object): New function.
9285         (Plugin_manager::Deferred_layout_list): New type.
9286         (Plugin_manager::deferred_layout_objects_): New field.
9287         (Plugin_hook::do_plugin_hook): Remove.
9288
9289 2008-12-17  Ian Lance Taylor  <iant@google.com>
9290
9291         * options.h (class General_options): Add --no case for
9292         --export-dynamic.
9293
9294 2008-12-16  Cary Coutant  <ccoutant@google.com>
9295
9296         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9297         vector.
9298         (Plugin_manager::claim_file): Create plugin object even if
9299         plugin did not call the add_symbols callback.
9300         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9301         asking for more symbols than were added.
9302         * testsuite/Makefile.am (plugin_test_1): Add test case with
9303         no global symbols.
9304         (empty.syms): New target.
9305         * testsuite/Makefile.in: Regenerate.
9306         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9307         message. Don't call add_symbols if no globals.
9308         (all_symbols_read_hook): Don't provide replacement for empty
9309         claimed file.
9310
9311 2008-12-12  Ian Lance Taylor  <iant@google.com>
9312
9313         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9314         r_type == 0 for a local symbol with r_sym == 0.
9315         (scan_relocatable_relocs): Pass r_sym to
9316         local_non_section_strategy.
9317         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9318         r_sym parameter.
9319
9320         * configure.ac: Update test for TLS descriptors: they are
9321         supported as of glibc 2.9.
9322         * configure: Rebuild.
9323
9324 2008-12-11  Ian Lance Taylor  <iant@google.com>
9325
9326         PR 7091
9327         * target-reloc.h (Default_scan_relocatable_relocs): For each
9328         function, map r_type == 0 to RELOC_DISCARD.
9329
9330 2008-12-10  Cary Coutant  <ccoutant@google.com>
9331
9332         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9333         object to override a kept COMDAT group from a plugin object.
9334
9335 2008-12-09  Ian Lance Taylor  <iant@google.com>
9336
9337         PR 7088
9338         * yyscript.y (file_cmd): Handle INPUT.
9339
9340         * testsuite/initpri1.c: Change all declarations to be full
9341         prototypes by adding void, to avoid compiler warnings.
9342
9343 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9344
9345         * options.cc (General_options::parse_plugin_opt): New.
9346         (General_options::add_plugin): The argument now is just the filename.
9347         (General_options::add_plugin_option): New.
9348         * options.h (plugin_opt): New.
9349         (add_plugin): Change argument name.
9350         (add_plugin_option): New.
9351         * plugin.cc (Plugin::load): Don't parse the plugin option.
9352         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9353         (Plugin::add_option): New.
9354         (Plugin::args_): Change type.
9355         (Plugin::filename_): New.
9356         (Plugin_manager::add_plugin_option): New.
9357         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9358         * testsuite/Makefile.in: Regenerate.
9359
9360 2008-12-05  Cary Coutant  <ccoutant@google.com>
9361
9362         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9363         Handle --strip-lto-sections option.
9364         * options.h (strip_lto_sections): New option.
9365
9366 2008-12-01  Cary Coutant  <ccoutant@google.com>
9367
9368         * plugin.cc (ld_plugin_message): Change format parameter to const.
9369         Fix mismatch between new[] and delete.
9370
9371 2008-11-14  Cary Coutant  <ccoutant@google.com>
9372
9373         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9374         instead of -1U.
9375
9376 2008-11-05  Craig Silverstein  <csilvers@google.com>
9377
9378         * options.cc (General_options::parse_dynamic_list): New function.
9379         * options.h (General_options): New flags dynamic_list,
9380         dynamic_list_data, dynamic_list_cpp_new, and
9381         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9382         (General_options::in_dynamic_list): New function.
9383         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9384         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9385         (Lex::can_continue_name): Likewise.
9386         (yylex): Likewise.
9387         (read_script_file): New parameter script_options.
9388         (read_dynamic_list): New function.
9389         (Script_options::define_dynamic_list): New function.
9390         (dynamic_list_keyword_parsecodes): New variable.
9391         (dynamic_list_keywords): New variable.
9392         * script.h (Script_options::define_dynamic_list): New function
9393         prototype.
9394         (read_dynamic_list): New function prototype.
9395         * symtab.cc (strprefix): New macro.
9396         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9397         dynamic_list_data, dynamic_list_cpp_new, and
9398         dynamic_list_cpp_typeinfo.
9399         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9400         (dynamic_list_expr): New rule.
9401         (dynamic_list_nodes): Likewise.
9402         (dynamic_list_node): Likewise.
9403         * testsuite/Makefile.am (dynamic_list): New test.
9404         * testsuite/Makefile.in: Regenerated.
9405         * testsuite/dynamic_list.t: New file.
9406         * testsuite/dynamic_list.sh: New file.
9407
9408 2008-11-05  Craig Silverstein  <csilvers@google.com>
9409
9410         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9411         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9412         (t11_last): Likewise.
9413         * testsuite/ver_test_6.c (main): Likewise.
9414
9415 2008-10-07  Cary Coutant  <ccoutant@google.com>
9416
9417         * options.c (General_options::finalize): Add check for -static and
9418         -shared.
9419         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9420         is not empty.
9421
9422 2008-10-02  Cary Coutant  <ccoutant@google.com>
9423
9424         * plugin.cc (make_sized_plugin_object): Fix conditional
9425         compilation to work when not all targets are enabled.
9426
9427 2008-09-29  Cary Coutant  <ccoutant@google.com>
9428
9429         * archive.cc (Archive::get_file_and_offset): Use filename instead
9430         of name to get library path.
9431         (Archive::include_member): Unlock external member of a thin archive.
9432
9433         * testsuite/Makefile.am (TEST_AR): New variable.
9434         (thin_archive_test_1): New test.
9435         (thin_archive_test_2): New test.
9436         * testsuite/Makefile.in: Regenerate.
9437         * testsuite/thin_archive_main.cc: New file.
9438         * testsuite/thin_archive_test_1.cc: New file.
9439         * testsuite/thin_archive_test_2.cc: New file.
9440         * testsuite/thin_archive_test_3.cc: New file.
9441         * testsuite/thin_archive_test_4.cc: New file.
9442
9443 2008-09-29  Cary Coutant  <ccoutant@google.com>
9444
9445         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9446         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9447         instead of -1U.
9448         (Sized_relobj::do_finalize_local_symbols): Likewise.
9449         (Sized_relobj::map_to_kept_section): Likewise.
9450         * object.h (Sized_relobj::invalid_address): New constant.
9451         (Sized_relobj::do_output_section_offset): Check for invalid_address
9452         and return -1ULL.
9453         * output.cc (Output_reloc::local_section_offset): Use constant
9454         invalid_address instead of -1U.
9455         (Output_reloc::get_address): Likewise.
9456         (Output_section::output_address): Change -1U to -1ULL.
9457         * output.h (Output_reloc::invalid_address): New constant.
9458         * reloc.cc (Sized_relobj::write_sections): Use constant
9459         invalid_address instead of -1U.
9460         (Sized_relobj::relocate_sections): Likewise.
9461         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9462         values for merge sections.
9463         * target-reloc.h (relocate_for_relocatable): Use constant
9464         invalid_address instead of -1U.
9465
9466 2008-09-19  Cary Coutant  <ccoutant@google.com>
9467
9468         Add plugin functionality for link-time optimization (LTO).
9469         * configure.ac (plugins): Add --enable-plugins option.
9470         * configure: Regenerate.
9471         * config.in: Regenerate.
9472         * Makefile.am (LIBDL): New variable.
9473         (CCFILES): Add plugin.cc.
9474         (HFILES): Add plugin.h.
9475         (ldadd_var): Add LIBDL.
9476         * Makefile.in: Regenerate.
9477
9478         * archive.cc: Include "plugin.h".
9479         (Archive::setup): Don't preread archive symbols when using a plugin.
9480         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9481         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9482         files.
9483         (Archive::include_member): Add symbols from plugin objects.
9484         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9485         * descriptors.cc (Descriptors::open): Check for file descriptors
9486         abandoned by plugins.
9487         (Descriptors::claim_for_plugin): New function.
9488         * descriptors.h (Descriptors::claim_for_plugin): New function.
9489         (Open_descriptor::is_claimed): New field.
9490         (claim_descriptor_for_plugin): New function.
9491         * fileread.cc (File_read::claim_for_plugin): New function.
9492         * fileread.h (File_read::claim_for_plugin): New function.
9493         (File_read::descriptor): New function.
9494         * gold.cc: Include "plugin.h".
9495         (queue_initial_tasks): Add task to call plugin hooks for generating
9496         new object files.
9497         * main.cc: Include "plugin.h".
9498         (main): Load plugin libraries.
9499         * object.h (Pluginobj): Declare.
9500         (Object::pluginobj): New function.
9501         (Object::do_pluginobj): New function.
9502         (Object::set_target): New function.
9503         * options.cc: Include "plugin.h".
9504         (General_options::parse_plugin): New function.
9505         (General_options::General_options): Initialize plugins_ field.
9506         (General_options::add_plugin): New function.
9507         * options.h (Plugin_manager): Declare.
9508         (General_options): Add --plugin option.
9509         (General_options::has_plugins): New function.
9510         (General_options::plugins): New function.
9511         (General_options::add_plugin): New function.
9512         (General_options::plugins_): New field.
9513         * plugin.cc: New file.
9514         * plugin.h: New file.
9515         * readsyms.cc: Include "plugin.h".
9516         (Read_symbols::do_read_symbols): Check for archive before checking
9517         for ELF file.  Call plugin hooks to claim files.
9518         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9519         from a real object file; force override when processing replacement
9520         files.
9521         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9522         (Symbol::init_base_object): Likewise.
9523         (Symbol::init_base_output_data): Likewise.
9524         (Symbol::init_base_output_segment): Likewise.
9525         (Symbol::init_base_constant): Likewise.
9526         (Symbol::init_base_undefined): Likewise.
9527         (Symbol::output_section): Assert that object is not a plugin.
9528         (Symbol_table::add_from_pluginobj): New function.
9529         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9530         undefined.
9531         (Symbol_table::sized_write_globals): Likewise.
9532         (Symbol_table::add_from_pluginobj): Instantiate template.
9533         * symtab.h (Sized_pluginobj): Declare.
9534         (Symbol::in_real_elf): New function.
9535         (Symbol::set_in_real_elf): New function.
9536         (Symbol::in_real_elf_): New field.
9537         (Symbol_table::add_from_pluginobj): New function.
9538
9539         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9540         (LIBDL): New variable.
9541         (LDADD): Add LIBDL.
9542         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9543         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9544         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9545         (MOSTLYCLEANFILES): Likewise.
9546         * testsuite/Makefile.in: Regenerate.
9547         * testsuite/plugin_test.c: New file.
9548         * testsuite/plugin_test_1.sh: New file.
9549         * testsuite/plugin_test_2.sh: New file.
9550
9551 2008-09-16  Ian Lance Taylor  <iant@google.com>
9552
9553         * target-reloc.h (relocate_section): Check whether a symbol is
9554         defined by the ABI before reporting an undefined symbol error.
9555         * target.h (Target::is_defined_by_abi): Make parameter const.
9556         (Target::do_is_defined_by_abi): Likewise.
9557         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9558         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9559         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9560         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9561         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9562         * testsuite/Makefile.in: Rebuild.
9563
9564         * fileread.cc (make_view): Add casts to avoid warning.
9565
9566 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9567
9568         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9569         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9570
9571 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9572
9573         * options.h (General_options::output_is_executable): New.
9574         (General_options::output_is_pie): New.
9575         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9576         for shared libraries.
9577         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9578
9579 2008-09-11  Chris Demetriou  <cgd@google.com>
9580
9581         * options.h (origin): New -z option.
9582         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9583         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9584         in DT_FLAGS_1.
9585
9586 2008-09-05  Cary Coutant  <ccoutant@google.com>
9587
9588         * fileread.cc (File_read::make_view): Add check for attempt to map
9589         beyond end of file.
9590
9591 2008-09-05  Cary Coutant  <ccoutant@google.com>
9592
9593         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9594         explicit instantiations.
9595
9596 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9597
9598         PR gold/6858
9599         * options.cc (General_options::finalize): Allow undefined symbols
9600         in shlibs if linking -shared.
9601
9602         PR gold/6859
9603         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9604         symbols as not needing a dynsym entry.
9605
9606 2008-08-20  Craig Silverstein  <csilvers@google.com>
9607
9608         * fileread.cc (File_read::open): Do not lock the file unless it
9609         was successfully opened.
9610
9611 2008-08-14  Cary Coutant  <ccoutant@google.com>
9612
9613         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9614         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9615         * testsuite/tls_test.cc (struct int128): 128-bit struct
9616         for testing TLS relocs with non-zero addend.
9617         (v12): New TLS variable.
9618         (t12): New test.
9619         (t_last): Add check for v12.
9620         * testsuite/tls_test.h (t12): New function.
9621         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9622
9623 2008-08-13  Ian Lance Taylor  <iant@google.com>
9624
9625         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9626         set tls_segment_ or relro_segment_.
9627         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9628         when appropriate.
9629         * output.h (Output_section::clear_is_relro): New function.
9630         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9631         sections specially even when output_data_ is empty.
9632         (Output_segment::maximum_alignment): When first section is relro,
9633         only force alignment for PT_LOAD segments.
9634         * script.cc (script_data_segment_align): New function.
9635         (script_data_segment_relro_end): New function.
9636         * script-c.h (script_data_segment_align): Declare.
9637         (script_data_segment_relro_end): Declare.
9638         * script-sections.h (class Script_sections): Declare
9639         data_segment_align and data_segment_relro_end.  Add fields
9640         segment_align_index_ and saw_relro_end_.
9641         * script-sections.cc (class Sections_element): Add set_is_relro
9642         virtual function.  Add new bool* parameter to place_orphan_here.
9643         Add get_output_section virtual function.
9644         (class Output_section_definition): Add set_is_relro.  Add new
9645         bool* parameter to place_orphan_here.  Add get_output_section.
9646         Add is_relro_ field.
9647         (Output_section_definition::Output_section_definition): Initialize
9648         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9649         and is_relro_ fields.
9650         (Output_section_definition::place_orphan_here): Add is_relro
9651         parameter.
9652         (Output_section_definition::set_section_addresses): Set relro for
9653         output section.
9654         (Output_section_definition::alternate_constraint): Likewise.
9655         (class Orphan_output_section): Add new bool* parameter to
9656         place_orphan_here.  Add get_output_section.
9657         (Orphan_output_section::place_orphan_here): Add is_relro
9658         parameter.
9659         (Script_sections::Script_sections): Initialize
9660         data_segment_align_index_ and saw_relro_end_.
9661         (Script_sections::data_segment_align): New function.
9662         (Script_sections::data_segment_relro_end): New function.
9663         (Script_sections::place_orphan): Set or clear is_relro.
9664         (Script_sections::set_section_addresses): Force alignment of first
9665         TLS section.
9666         * yyscript.y (exp): Call script_data_segment_align and
9667         script_data_segment_relro_end.
9668         * testsuite/relro_script_test.t: New file.
9669         * testsuite/relro_test.cc (using_script): Declare.
9670         (t1, t2): Test using_script.
9671         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9672         (relro_script_test_SOURCES): Define.
9673         (relro_script_test_DEPENDENCIES): Define.
9674         (relro_script_test_LDFLAGS): Define.
9675         (relro_script_test_LDADD): Define.
9676         (relro_script_test.so): New target.
9677         * testsuite/Makefile.in: Rebuild.
9678
9679 2008-08-06  Cary Coutant <ccoutant@google.com>
9680
9681         * archive.cc (Archive::total_archives, Archive::total_members)
9682         (Archive::total_members_loaded): New variables.
9683         (Archive::setup): Add parameter.  Add option to preread
9684         archive symbols.
9685         (Archive::read_armap): Add counter.
9686         (Archive::get_file_and_offset): New function.
9687         (Archive::get_elf_object_for_member): New function.
9688         (Archive::read_all_symbols): New function.
9689         (Archive::read_symbols): New function.
9690         (Archive::add_symbols): Add counters.
9691         (Archive::include_all_members): Use armap to find members if it's
9692         already built.
9693         (Archive::include_member): Skip reading symbols if already read.
9694         Factored code into Archive::get_file_and_offset and
9695         Archive::get_elf_object_for_member.  Changed call to
9696         Mapfile::report_include_archive_member.
9697         (Archive::print_stats): New function.
9698         * archive.h: Declare Object and Read_symbols_data classes.
9699         (Archive::Archive): Add initializers for new members.
9700         (Archive::setup): Add parameter.
9701         (Archive::print_stats): New function.
9702         (Archive::total_archives, Archive::total_members)
9703         (Archive::total_members_loaded): New variables.
9704         (Archive::get_file_and_offset): New function.
9705         (Archive::get_elf_object_for_member): New function.
9706         (Archive::read_all_symbols): New function.
9707         (Archive::read_symbols): New function.
9708         (Archive::Archive_member): New class.
9709         (Archive::members_): New member.
9710         (Archive::num_members_): New member.
9711         * main.cc: Include archive.h.
9712         (main): Call Archive::print_stats.
9713         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9714         archive parameter; member_name is now the fully-decorated name.
9715         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9716         * options.h: (General_options): Add --preread-archive-symbols option.
9717         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9718         Archive::setup.
9719
9720 2008-08-04  Ian Lance Taylor  <iant@google.com>
9721
9722         * symtab.h (Symbol::use_plt_offset): New function.
9723         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9724         * powerpc.cc (Relocate::relocate): Likewise.
9725         * sparc.cc (Relocate::relocate): Likewise.
9726         * x86_64.cc (Relocate::relocate): Likewise.
9727         * testsuite/weak_plt.sh: New test.
9728         * testsuite/weak_plt_main.cc: New test.
9729         * testsuite/weak_plt_shared.cc: New test.
9730         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9731         (check_PROGRAMS): Add weak_plt.
9732         (check_DATA): Add weak_plt_shared.so.
9733         (weak_plt_main_pic.o, weak_plt): New targets.
9734         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9735         * testsuite/Makefile.in: Rebuild.
9736
9737         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9738         gcctestdir/ld.
9739         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9740         * testsuite/Makefile.in: Rebuild.
9741
9742 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9743
9744         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9745         * Makefile.in: Regenerate.
9746         * po/POTFILES.in: Regenerate.
9747
9748 2008-07-29  Ian Lance Taylor  <iant@google.com>
9749
9750         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9751         symbols before other symbols.
9752         * testsuite/script_test_2.cc (test_addr): Declare.
9753         (test_addr_alias): Declare.
9754         (main): Check that test_addr and test_addr_alias have the right
9755         values.
9756         * testsuite/script_test_2.t: Define test_addr_alias and
9757         test_addr.
9758
9759 2008-07-24  Ian Lance Taylor  <iant@google.com>
9760
9761         PR 5990
9762         * descriptors.cc: New file.
9763         * descriptors.h: New file.
9764         * gold-threads.h (class Hold_optional_lock): New class.
9765         * fileread.cc: Include "descriptors.h".
9766         (File_read::~File_read): Release descriptor rather than closing
9767         it.
9768         (File_read::open) [file]: Call open_descriptor rather than open.
9769         Set is_descriptor_opened_.
9770         (File_read::open) [memory]: Assert that descriptor is not open.
9771         (File_read::reopen_descriptor): New function.
9772         (File_read::release): Release descriptor.
9773         (File_read::do_read): Make non-const.  Reopen descriptor.
9774         (File_read::read): Make non-const.
9775         (File_read::make_view): Reopen descriptor.
9776         (File_read::do_readv): Likewise.
9777         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9778         Update declarations.
9779         * layout.cc: Include "descriptors.h".
9780         (Layout::create_build_id): Use open_descriptor rather than open.
9781         * output.cc: Include "descriptors.h".
9782         (Output_file::open): Use open_descriptor rather than open.
9783         * archive.cc (Archive::const_iterator): Change Archive to be
9784         non-const.
9785         (Archive::begin, Archive::end): Make non-const.
9786         (Archive::count_members): Likewise.
9787         * archive.h (class Archive): Update declarations.
9788         * object.h (Object::read): Make non-const.
9789         * Makefile.am (CCFILES): Add descriptors.cc.
9790         (HFILES): Add descriptors.h.
9791         * Makefile.in: Rebuild.
9792
9793         PR 6716
9794         * gold.h: Always include <clocale>.  Add Solaris workarounds
9795         following code in binutils/sysdep.h.
9796
9797         PR 6048
9798         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9799         this->eh_frame_hdr_ is NULL before using it.
9800
9801         * dynobj.cc (Versions::Versions): Update comment.
9802
9803         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9804         the base version name.
9805
9806         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9807         array size plus one.
9808         (Stringpool_template::set_string_offsets): Subtract one from key
9809         before using it as an array index.
9810         (Stringpool_template::get_offset_with_length): Likewise.
9811         (Stringpool_template::write_to_buffer): Likewise.
9812         * stringpool.h (Stringpool_template::get_offset_from_key):
9813         Likewise.
9814
9815 2008-07-23  Ian Lance Taylor  <iant@google.com>
9816
9817         PR 6658
9818         * object.h (Merged_symbol_value::value): Do our best to handle a
9819         negative addend.
9820
9821         PR 6647
9822         * script.cc (Version_script_info::get_versions): Don't add empty
9823         version tag to return value.
9824         (Version_script_info::get_symbol_version_helper): Change return
9825         type to bool.  Add pversion parameter.  Change all callers.
9826         (script_register_vers_node): Don't require a non-NULL tag.
9827         * script.h (class Version_script_info): Update declarations.
9828         (Version_script_info::get_symbol_version): Change return type to
9829         bool.  Add version parameter.  Change all callers.
9830         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9831         handling.  Handle an empty version from a version script.
9832         (Symbol_table::define_special_symbol): Likewise.
9833         * testsuite/ver_test_10.script: New file.
9834         * testsuite/ver_test_10.sh: New file.
9835         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9836         (check_DATA): Add ver_test_10.syms.
9837         (ver_test_10.syms, ver_test_10.so): New target.
9838         * testsuite/Makefile.in: Rebuild.
9839
9840 2008-07-23  Simon Baldwin  <simonb@google.com>
9841
9842         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9843         to zero for undefined symbols from dynamic libraries.
9844
9845 2008-07-23  Ian Lance Taylor  <iant@google.com>
9846
9847         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9848         Change all callers.
9849         * symtab.h (class Symbol_table): Update declaration.
9850         * testsuite/ver_test_9.cc: New file.
9851         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9852         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9853         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9854         (ver_test_9.so, ver_test_9.o): New targets.
9855         * testsuite/Makefile.in: Rebuild.
9856
9857 2008-07-22  Ian Lance Taylor  <iant@google.com>
9858
9859         * options.h (class General_options): Define --check-sections.
9860         * layout.cc (Layout::set_segment_offsets): Handle
9861         --check-sections.
9862
9863         * options.h (class General_options): Define -n/--nmagic and
9864         -N/--omagic.
9865         * options.cc (General_options::finalize): For -n/--nmagic or
9866         -N/--omagic, set -static.
9867         * layout.cc (Layout::attach_allocated_section_to_segment): If
9868         -N/--omagic, don't put read-only and read-write sections in
9869         different segments.
9870         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9871         finding a read-only segment.
9872         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9873         don't set the minimum segment alignment to the common page size,
9874         and don't set the file offset to the address modulo the page size.
9875         * script-sections.cc (Script_sections::create_segments): If
9876         -n/--omagic, don't put read-only and read-write sections in
9877         different segments.
9878
9879         * cref.cc: New file.
9880         * cref.h: New file.
9881         * options.h (class General_options): Add --print-symbol-counts.
9882         * main.cc (main): Issue defined symbol report if requested.
9883         * archive.cc (Archive::interpret_header): Make into a const member
9884         function.
9885         (Archive::add_symbols): Call Input_objects::archive_start and
9886         archive_stop.
9887         (Archive::const_iterator): Define new class.
9888         (Archive::begin, Archive::end): New functions.
9889         (Archive::include_all_members): Rewrite to use iterator.
9890         (Archive::count_members): New function.
9891         * archive.h (class Archive): Update declarations.
9892         (Archive::filename): New function.
9893         * object.cc: Include "cref.h".
9894         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9895         (Sized_relobj::do_get_global_symbol_counts): New function.
9896         (Input_objects::add_object): Add object to cross-referencer.
9897         (Input_objects::archive_start): New function.
9898         (Input_objects::archive_stop): New function.
9899         (Input_objects::print_symbol_counts): New function.
9900         * object.h: Declare Cref and Archive.
9901         (Object::get_global_symbol_counts): New function.
9902         (Object::do_get_global_symbol_counts): New pure virtual function.
9903         (class Sized_relobj): Add defined_count_ field.  Update
9904         declarations.
9905         (class Input_objects): Add cref_ field.  Update constructor.
9906         Update declarations.
9907         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9908         defined_count_.
9909         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9910         symbol counts.
9911         (Sized_dynobj::do_get_global_symbol_counts): New function.
9912         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9913         defined_count_.  Update declarations.  Define Symbols typedef.
9914         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9915         parameter.  Change all callers.
9916         (Symbol_table::add_from_dynobj): Add sympointers and defined
9917         parameters.  Change all callers.
9918         * symtab.h (class Symbol_table): Update declarations.
9919         * Makefile.am (CCFILES): Add cref.cc.
9920         (HFILES): Add cref.h.
9921         * Makefile.in: Rebuild.
9922
9923 2008-07-22  Simon Baldwin  <simonb@google.com>
9924
9925         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9926         to zero when writing undefined symbols.
9927
9928 2008-07-22  Ian Lance Taylor  <iant@google.com>
9929
9930         * output.cc (Output_section::add_input_section): Don't try to
9931         merge empty merge sections.
9932
9933 2008-07-21  Craig Silverstein  <csilvers@google.com>
9934
9935         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9936         Include symbol version in error message.
9937
9938 2008-07-20  Chris Demetriou  <cgd@google.com>
9939
9940         * configure.ac (gold_cv_c_random_seed): New configured variable.
9941         (RANDOM_SEED_CFLAGS): New substituted variable.
9942         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9943         * configure: Rebuild.
9944         * Makefile.in: Likewise.
9945         * testsuite/Makefile.in: Likewise.
9946
9947 2008-07-18  Ian Lance Taylor  <iant@google.com>
9948
9949         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9950         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9951         * testsuite/ver_test_main.cc (main): Call t4.
9952         (t4, t4_2a): Define.
9953         * testsuite/ver_test_2.cc (t4_2): Define.
9954         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9955         * testsuite/ver_test_4.cc (t4_2a): Define.
9956         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9957         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9958
9959 2008-07-17  Ian Lance Taylor  <iant@google.com>
9960
9961         * dynobj.cc (Versions::add_def): If we give an error about a
9962         missing version, go ahead and create the version anyhow.
9963
9964 2008-07-10  Ian Lance Taylor  <iant@google.com>
9965
9966         Handle output sections with more than 0x7fffffff bytes.
9967         * object.h (class Relobj): Change map_to_output_ to
9968         output_sections_, and just keep a section pointer.  Change all
9969         uses.  Move comdat group support to Sized_relobj.
9970         (Relobj::is_section_specially_mapped): Remove.
9971         (Relobj::output_section): Remove poff parameter.  Change all
9972         callers.
9973         (Relobj::output_section_offset): New function.
9974         (Relobj::set_section_offset): Rewrite.
9975         (Relobj::map_to_output): Remove.
9976         (Relobj::output_sections): New function.
9977         (Relobj::do_output_section_offset): New pure virtual function.
9978         (Relobj::do_set_section_offset): Likewise.
9979         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9980         group support from Relobj.  Update declarations.
9981         (Sized_relobj::get_output_section_offset): New function.
9982         (Sized_relobj::do_output_section_offset): New function.
9983         (Sized_relobj::do_set_section_offset): New function.
9984         * object.cc (Relobj::output_section_address): Remove.
9985         (Sized_relobj::Sized_relobj): Initialize new fields.
9986         (Sized_relobj::include_section_group): Cast find_kept_object to
9987         Sized_relobj.
9988         (Sized_relobj::include_linkonce_section): Likewise.
9989         (Sized_relobj::do_layout): Use separate arrays for output section
9990         and output offset.
9991         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9992         output_sections.
9993         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9994         output_sections and section_offsets.
9995         (Sized_relobj::write_local_symbols): Likewise.
9996         (map_to_kept_section): Compute output address directly.
9997         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9998         output_sections and section_offsets.
9999         (Sized_relobj::write_sections): Likewise.
10000         (Sized_relobj::relocate_sections): Likewise.
10001         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10002         * output.h (class Output_reloc): Update declarations.  Change
10003         u2_.relobj to Sized_relobj*.
10004         (class Output_data_reloc): Change add functions to use
10005         Sized_relobj*.
10006         * output.cc (Output_reloc::Output_reloc): Change relobj to
10007         Sized_relobj*.
10008         (Output_reloc::local_section_offset): Change return type to
10009         Elf_Addr.  Use get_output_section_offset.
10010         (Output_reloc::get_address): Likewise.
10011         (Output_section::is_input_address_mapped): Don't call
10012         is_section_specially_mapped.
10013         (Output_section::output_offset): Likewise.
10014         (Output_section::output_address): Likewise.
10015         (Output_section::starting_output_address): Likewise.
10016         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10017         parameter to Sized_relobj*.
10018         (Copy_relocs::need_copy_reloc): Likewise.
10019         (Copy_relocs::save): Likewise.
10020         * copy-relocs.h (class Copy_relocs): Update declarations.
10021         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10022         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10023         * target-reloc.h (relocate_for_relocatable): Change
10024         offset_in_output_section type to Elf_Addr.  Change code that uses
10025         it as well.
10026         * layout.cc (Layout::layout): Always set *off.
10027         * mapfile.cc (Mapfile::print_input_section): Use
10028         output_section_offset.
10029         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10030         Sized_relobj*.
10031         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10032         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10033         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10034
10035 2008-07-03  Ian Lance Taylor  <iant@google.com>
10036
10037         * layout.cc (Layout::include_section): Do not discard unrecognized
10038         SHT_STRTAB sections.
10039
10040 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10041
10042         * script.cc (Lex::can_continue_name): Make '?' allowable in
10043         version-script names.
10044         * testsuite/version_script.map: Change glob pattern to use '?'
10045
10046 2008-06-30  Manish Singh  <yosh@gimp.org>
10047
10048         PR 6585
10049         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10050         Correct typo.
10051
10052 2008-06-30  Ian Lance Taylor  <iant@google.com>
10053
10054         PR 6660
10055         PR 6682
10056         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10057         versions]: Don't try to read the value in the contents, since we
10058         don't use it.  Use the template endianness when writing.
10059
10060 2008-06-25  Cary Coutant  <ccoutant@google.com>
10061
10062         * fileread.cc (File_read::make_view): Assert on zero-length view.
10063         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10064         symbol table when there are no symbols to read.
10065
10066 2008-06-23  Craig Silverstein  <csilvers@google.com>
10067
10068         * version.cc (version_string): Bump to 1.7
10069
10070 2008-06-18  Craig Silverstein  <csilvers@google.com>
10071
10072         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10073         constant 0xFFFF to type Valtype.
10074         (Powerpc_relocate_functions::rel16_ha): Likewise.
10075
10076 2008-06-17  Ian Lance Taylor  <iant@google.com>
10077
10078         * output.h (Output_section::Input_section): Initialize p2align_ to
10079         zero for Output_section_data constructors.
10080         (Output_section::Input_section::addralign): If not an input
10081         section, return the alignment of the Output_section_data.
10082         * testsuite/copy_test.cc: New file.
10083         * testsuite/copy_test_1.cc: New file.
10084         * testsuite/copy_test_2.cc: New file.
10085         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10086         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10087         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10088         (copy_test_1_pic.o, copy_test_1.so): New targets.
10089         (copy_test_2_pic.o, copy_test_2.so): New targets.
10090         * testsuite/Makefile.in: Rebuild.
10091
10092         * script-sections.cc (Script_sections::place_orphan): Initialize
10093         local variable exact.
10094
10095 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10096
10097         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10098
10099 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10100             David S. Miller  <davem@davemloft.net>
10101
10102         * powerpc.cc: New file.
10103         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10104         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10105         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10106         * Makefile.in: Rebuild.
10107
10108 2008-06-09  Ian Lance Taylor  <iant@google.com>
10109
10110         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10111         <exception>.
10112         (throwing, orig_terminate): New static variables.
10113         (terminate_handler): New static function.
10114         (t2): Set terminate handler.
10115
10116 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10117
10118         PR 6584
10119         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10120         alignment.
10121
10122 2008-05-30  Cary Coutant  <ccoutant@google.com>
10123
10124         * archive.cc (Archive::include_all_members) Correct to step
10125         over symbol table and extended name table in thin archives.
10126
10127 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10128
10129         PR 6407
10130         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10131         calculation.
10132
10133 2008-05-28  Caleb Howe  <cshowe@google.com>
10134
10135         * reduced_debug_output.cc: New file.
10136         * reduced_debug_output.h: New file.
10137         * options.h (class General_options): Add --strip-debug-non-line.
10138         * options.cc (General_options::finalize): Add strip_debug_non_line
10139         to the strip heirarchy.
10140         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10141         fields.
10142         * layout.cc: Include "reduced_debug_output.h".
10143         (Layout::Layout): Initialize new fields.
10144         (line_only_debug_sections): New static array.
10145         (is_lines_only_debug_sections): New static inline function.
10146         (Layout::include_section): Handle --strip-debug-non-line.
10147         (Layout::make_output_section): If --strip-debug-non-line, build
10148         new output sections for .debug_abbrev and .debug_info.
10149         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10150         gold.  Warn about possible overflow.
10151         (read_signed_LEB_128): Likewise.
10152         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10153         (read_signed_LEB_128): Declare.
10154         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10155         (HFILES): Add reduced_debug_output.h.
10156         * Makefile.in: Rebuild.
10157
10158 2008-05-21  Ian Lance Taylor  <iant@google.com>
10159
10160         * mapfile.cc: New file.
10161         * mapfile.h: New file.
10162         * options.h (class General_options): Add -M/--print-map and -Map.
10163         * options.cc (General_options::finalize): Make -M equivalent to
10164         -Map -.
10165         * main.cc: Include <cstdio> and "mapfile.h".
10166         (main): Open mapfile if requested.
10167         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10168         constructor.  Change caller.
10169         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10170         (queue_middle_tasks): Likewise.
10171         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10172         declarations.
10173         * archive.cc: Include "mapfile.h".
10174         (Archive::add_symbols): Add mapfile parameter.  Change all
10175         callers.  Pass mapfile, symbol, and reason to include_member.
10176         (Archive::include_all_members): Add mapfile parameter.  Change all
10177         callers.
10178         (Archive::include_member): Add mapfile, sym, and why parameters.
10179         Change all callers.  Report inclusion to map file.
10180         * archive.h: Include "fileread.h".
10181         (class Archive): Update declarations.
10182         (Archive::file): New const method.
10183         (class Add_archive_symbols): Add mapfile_ field.  Update
10184         constructor.  Change all callers.
10185         * readsyms.h (class Read_symbols): Likewise.
10186         (class Finish_group): Likewise.
10187         (class Read_script): Likewise.
10188         * common.cc: Include "mapfile.h".
10189         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10190         all callers.
10191         (Symbol_table::do_allocate_commons): Likewise.
10192         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10193         symbol allocation to mapfile.
10194         * common.h (class Allocate_commons_task): Add mapfile_ field.
10195         Update constructor.  Change all callers.
10196         * symtab.h (class Symbol_table): Update declarations.
10197         * layout.cc: Include "mapfile.h".
10198         (Layout_task_runner::run): Print information to mapfile.
10199         (Layout::create_gold_note): Change Output_data_fixed_space to
10200         Output_data_zero_fill.
10201         (Layout::create_build_id): Likewise.
10202         (Layout::print_to_mapfile): New function.
10203         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10204         constructor.  Change caller.
10205         (class Layout): Declare print_to_mapfile.
10206         * output.cc (Output_section::Input_section::print_to_mapfile): New
10207         function.
10208         (Output_section::add_input_section): If producing a map, always
10209         add to input_sections_ list.
10210         (Output_section::do_print_to_mapfile): New function.
10211         (Output_segment::print_sections_to_mapfile): New function.
10212         (Output_segment::print_section_list_to_mapfile): New function.
10213         * output.h: Include "mapfile.h".
10214         (Output_data::print_to_mapfile): New function.
10215         (Output_data::do_print_to_mapfile): New virtual function.
10216         (Output_segment_headers::do_print_to_mapfile): New function.
10217         (Output_file_header::do_print_to_mapfile): New function.
10218         (Output_data_const::do_print_to_mapfile): New function.
10219         (class Output_data_const_buffer): Add map_name_ field.  Update
10220         constructor.  Change all callers.  Add do_print_to_mapfile
10221         function.
10222         (class Output_data_fixed_space): Likewise.
10223         (class Output_data_space): Likewise.
10224         (class Output_data_zero_fill): New class.
10225         (Output_data_strtab::do_print_to_mapfile): New function.
10226         (Output_data_reloc_base::do_print_to_mapfile): New function.
10227         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10228         (Output_data_group::do_print_to_mapfile): New function.
10229         (Output_data_got::do_print_to_mapfile): New function.
10230         (Output_data_dynamic::do_print_to_mapfile): New function.
10231         (Output_symtab_xindex::do_print_to_mapfile): New function.
10232         (class Output_section): Declare do_print_to_mapflie.  Declare
10233         print_to_mapfile in Input_section.
10234         (class Output_segment): Declare new functions.
10235         * object.h (Sized_relobj::symbol_count): New function.
10236         * script-sections.cc
10237         (Output_section_element_dot_assignment::set_section_addresses):
10238         Change Output_data_fixed_space to Output_data_zero_fill.
10239         (Output_data_expression::do_print_to_mapfile): New function.
10240         * script.cc (read_input_script): Add mapfile parameter.  Change
10241         all callers.
10242         * script.h (read_input_script): Update declaration.
10243         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10244         (Eh_frame::do_print_to_mapfile): New function.
10245         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10246         (Output_merge_string::do_print_to_mapfile): New function.
10247         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10248         function.
10249         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10250         function.
10251         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10252         function.
10253         * Makefile.am (CCFILES): Add mapfile.cc.
10254         (HFILES): Add mapfile.h.
10255         * Makefile.in: Rebuild.
10256
10257 2008-05-19  Ian Lance Taylor  <iant@google.com>
10258
10259         * options.h (class General_options): Add -z relro.
10260         * layout.cc (Layout::Layout): Initialize relro_segment_.
10261         (Layout::add_output_section_data): Return the output section.
10262         (Layout::make_output_section): Rcognize relro sections and mark
10263         them appropriately.
10264         (Layout::attach_allocated_section_to_segment): Put relro sections
10265         in a PT_GNU_RELRO segment.
10266         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10267         section as relro.
10268         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10269         PT_TLS segments.
10270         (Layout::linkonce_mapping): Map d.rel.ro.local to
10271         .data.rel.ro.local.
10272         (Layout::output_section_name): Us .data.rel.ro.local for any
10273         section which begins with that.
10274         * layout.h (class Layout): Update add_output_section_data
10275         declaration.  Add relro_segment_ field.
10276         * output.cc (Output_section::Output_section): Initialize is_relro_
10277         and is_relro_local_ fields.
10278         (Output_segment::add_output_section): Group relro sections.
10279         (Output_segment::is_first_section_relro): New function.
10280         (Output_segment::maximum_alignment): If there is a relro section,
10281         align the segment to the common page size.
10282         (Output_segment::set_section_addresses): Track whether we are
10283         looking at relro sections.  If the last section is a relro
10284         section, align to the common page size.
10285         (Output_segment::set_section_list_addresses): Add in_relro
10286         parameter.  Change all callers.  Align to the page size when
10287         moving from relro to non-relro section.
10288         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10289         segment.
10290         * output.h (class Output_section): Add is_relro_ and
10291         is_relro_local_ fields.
10292         (Output_section::is_relro): New function.
10293         (Output_section::set_is_relro): New function.
10294         (Output_section::is_relro_local): New function.
10295         (Output_section::set_is_relro_local): New function.
10296         (class Output_segment): Update declarations.
10297         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10298         * sparc.cc (Target_sparc::got_section): Likewise.
10299         * x86_64.cc (Target_x86_64::got_section): Likewise.
10300         * testsuite/relro_test_main.cc: New file.
10301         * testsuite/relro_test.cc: New file.
10302         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10303         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10304         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10305         (relro_test.so, relro_test_pic.o): New targets.
10306         * testsuite/Makefile.in: Rebuild.
10307
10308 2008-05-16  Ian Lance Taylor  <iant@google.com>
10309
10310         * output.cc (Output_segment::add_output_section): Remove front
10311         parameter.
10312         * output.h (class Output_segment): Remove
10313         add_initial_output_section and overloaded add_output_section.
10314         Update declaration of remaining add_output_section.
10315         * layout.cc (Layout::create_interp): Call add_output_section
10316         rather than add_initial_output_section.
10317         (Layout::finish_dynamic_section): Likewise.
10318
10319         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10320         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10321         know the dynamic type.
10322         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10323         field.  Initialize it in constructor.
10324         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10325         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10326         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10327         reloc.
10328
10329         * output.cc (Output_reloc::get_address): Change return type to
10330         Elf_Addr.
10331         * output.h (class Output_reloc): Update get_address declaration.
10332         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10333         for section addresses.
10334
10335 2008-05-09  Ian Lance Taylor  <iant@google.com>
10336
10337         PR 6493
10338         * gold.cc (gold_nomem): Use return value of write.
10339
10340 2008-05-08  Ian Lance Taylor  <iant@google.com>
10341
10342         * symtab.c (Symbol::init_base_output_data): Add version
10343         parameter.  Change all callers.
10344         (Symbol::init_base_output_segment): Likewise.
10345         (Symbol::init_base_constant): Likewise.
10346         (Symbol::init_base_undefined): Likewise.
10347         (Sized_symbol::init_output_data): Likewise.
10348         (Sized_symbol::init_output_segment): Likewise.
10349         (Sized_symbol::init_constant): Likewise.
10350         (Sized_symbol::init_undefined): Likewise.
10351         (Symbol_table::do_define_in_output_data): If the new symbol has a
10352         version, mark it as the default.
10353         (Symbol_table::do_define_in_output_segment): Likewise.
10354         (Symbol_table::do_define_as_constant): Likewise.
10355         * symtab.h (class Symbol): Update declarations.
10356         (class Sized_symbol): Likewise.
10357         * resolve.cc (Symbol::override_version): New function.
10358         (Symbol::override_base): Call override_version.
10359         (Symbol::override_base_with_special): Likewise.
10360         * testsuite/ver_script_8.script: New file.
10361         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10362         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10363         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10364         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10365
10366 2008-05-06  Ian Lance Taylor  <iant@google.com>
10367
10368         PR 6049
10369         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10370         functions.
10371         (class General_options): Remove existing --undefined, and add
10372         --no-undefined instead.  Add new --undefined as synonym for -u.
10373         * archive.cc (Archive::add_symbols): Check whether symbol was
10374         named with -u.
10375         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10376         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10377         all uses.  Add IS_UNDEFINED.  Update declarations to split
10378         different versions of init_base.  Declare init_base_undefined.
10379         (Symbol::is_defined): Handle IS_UNDEFINED.
10380         (Symbol::is_undefined): Likewise.
10381         (Symbol::is_weak_undefined): Call is_undefined.
10382         (Symbol::is_absolute): Handle IS_CONSTANT.
10383         (class Sized_symbol): Update declarations to split different
10384         versions of init.  Declare init_undefined.
10385         (class Symbol_table): Declare new functions.
10386         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10387         Change all callers.
10388         (Symbol::init_base_output_data): Likewise.
10389         (Symbol::init_base_output_segment): Likewise.
10390         (Symbol::init_base_constant): Likewise.
10391         (Symbol::init_base_undefined): New function.
10392         (Sized_symbol::init_object): Rename from init.  Change all
10393         callers.
10394         (Sized_symbol::init_output_data): Likewise.
10395         (Sized_symbol::init_output_segment): Likewise.
10396         (Sized_symbol::init_constant): Likewise.
10397         (Sized_symbol::init_undefined): New function.
10398         (Symbol_table::add_undefined_symbols_from_command_line): New
10399         function.
10400         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10401         function.
10402         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10403         (Symbol::output_section): Likewise.
10404         (Symbol::set_output_section): Likewise.
10405         (Symbol_table::sized_finalize_symbol): Likewise.
10406         (Symbol_table::sized_write_globals): Likewise.
10407         * resolve.cc (Symbol_table::should_override): Likewise.
10408         (Symbol::override_base_with_special): Likewise.
10409
10410         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10411         symbol, change it to have default visibility.
10412         * testsuite/protected_1.cc: New file.
10413         * testsuite/protected_2.cc: New file.
10414         * testsuite/protected_3.cc: New file.
10415         * testsuite/protected_main_1.cc: New file.
10416         * testsuite/protected_main_2.cc: New file.
10417         * testsuite/protected_main_3.cc: New file.
10418         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10419         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10420         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10421         (protected_1.so): New target.
10422         (protected_1_pic.o, protected_2_pic.o): New targets.
10423         (protected_3_pic.o): New target.
10424         (check_PROGRAMS): Add protected_2.
10425         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10426         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10427         * testsuite/Makefile.in: Rebuild.
10428
10429         * options.h (DEFINE_var): Add set_user_set_##varname__.
10430         (DEFINE_bool_alias): New macro.
10431         (class General_options): Define -Bstatic using DEFINE_bool_alias
10432         rather than DEFINE_special.  Add --undefined as an alias for -z
10433         defs.
10434         * options.cc (General_options::parse_Bstatic): Remove.
10435
10436         * options.h (class General_options): Add --fatal-warnings.
10437         * main.cc (main): Implement --fatal-warnings.
10438         * errors.h (Errors::warning_count): New function.
10439
10440         * options.h (class General_options): Add -Bsymbolic-functions.
10441         * symtab.h (Symbol::is_preemptible): Check for
10442         -Bsymbolic-functions.
10443
10444 2008-05-05  Ian Lance Taylor  <iant@google.com>
10445
10446         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10447         as noVARNAME rather than no-VARNAME.
10448         (class General_options): Add option -z combreloc.
10449         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10450         get_address.
10451         (Output_reloc::sort_before) [SHT_REL]: New function.
10452         (Output_reloc::sort_before) [SHT_RELA]: New function.
10453         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10454         Sort_relocs_comparison.
10455         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10456         parameter.  Change all callers.
10457         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10458         sort_relocs parameter.  Change all callers.
10459         * output.cc (Output_reloc::get_address): New function, broken out
10460         of write_rel.
10461         (Output_reloc::write_rel): Call it.
10462         (Output_reloc::compare): New function.
10463         (Output_data_reloc_base::do_write): Optionally sort relocs.
10464
10465         * configure.ac: If targ_extra_obj is set, link it in.
10466         * configure.tgt: Initialize all variables.
10467         (x86_64*): Set targ_extra_obj and targ_extra_size.
10468         * configure: Rebuild.
10469
10470         * object.cc (Sized_relobj::include_section_group): Adjust section
10471         indexes read from group data.  Build vector to pass to
10472         layout_group.
10473         * layout.cc (Layout::layout_group): Add flags and shndxes
10474         parameters.  Remove contents parameter.  Change caller.  Update
10475         explicit instantiations.
10476         * layout.h (class Layout): Update layout_group declaration.
10477         * output.cc (Output_data_group::Output_data_group): Add flags and
10478         input_shndxes parameters.  Remove contents parameter.  Change
10479         caller.
10480         (Output_data_group::do_write): Change input_sections_ to
10481         input_shndxes_.
10482         * output.h (class Output_data_group): Update constructor
10483         declaration.  Rename input_sections_ to input_shndxes_.
10484         * testsuite/many_sections_test.cc: Add template.
10485
10486 2008-04-30  Cary Coutant  <ccoutant@google.com>
10487
10488         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10489
10490         * layout.cc (Layout::include_section): Refactored check for debug
10491         info section.
10492         (Layout::add_comdat): Add new parameters.  Change type
10493         of signature parameter.  Add object and shndx to signatures table.
10494         (Layout::find_kept_object): New function.
10495         * layout.h: Include <cstring>.
10496         (Layout::is_debug_info_section): New function.
10497         (Layout::add_comdat): Add new parameters.
10498         (Layout::find_kept_object): New function.
10499         (Layout::Kept_section): New struct.
10500         (Layout::Signatures): Change type of map range.
10501         * object.cc (Relobj::output_section_address): New function.
10502         (Sized_relobj::include_section_group): Add new parameters.  Change
10503         calls to Layout::add_comdat.  Change to build table of kept comdat
10504         groups and table mapping discarded sections to kept sections.
10505         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10506         (Sized_relobj::do_layout): Change calls to include_section_group and
10507         include_linkonce_section.
10508         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10509         value to zero when section is discarded.
10510         (Sized_relobj::map_to_kept_section): New function.
10511         * object.h (Relobj::output_section_address): New function.
10512         (Relobj::Comdat_group): New type.
10513         (Relobj::find_comdat_group): New function.
10514         (Relobj::Comdat_group_table): New type.
10515         (Relobj::Kept_comdat_section): New type.
10516         (Relobj::Kept_comdat_section_table): New type.
10517         (Relobj::add_comdat_group): New function.
10518         (Relobj::set_kept_comdat_section): New function.
10519         (Relobj::get_kept_comdat_section): New function.
10520         (Relobj::comdat_groups_): New field.
10521         (Relobj::kept_comdat_sections_): New field.
10522         (Symbol_value::input_value): Update comment.
10523         (Sized_relobj::map_to_kept_section) New function.
10524         (Sized_relobj::include_linkonce_section): Add new parameter.
10525         * target-reloc.h (Comdat_behavior): New type.
10526         (get_comdat_behavior): New function.
10527         (relocate_section): Add code to map a discarded section to the
10528         corresponding kept section when applying a relocation.
10529
10530 2008-04-30  Craig Silverstein  <csilvers@google.com>
10531
10532         * dwarf_reader.cc (next_generation_count): New static var.
10533         (Addr2line_cache_entry): New struct.
10534         (addr2line_cache): New static var.
10535         (Dwarf_line_info::one_addr2line): Added caching.
10536         (Dwarf_line_info::clear_addr2line_cache): New function.
10537         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10538         cache-size parameter.
10539         (Dwarf_line_info::one_addr2line_cache): New function.
10540         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10541         new cache-size argument to one_addr2line(), and clear cache.
10542
10543 2008-04-28  Cary Coutant  <ccoutant@google.com>
10544
10545         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10546         R_386_PC8 relocations.
10547
10548 2008-04-23  Ian Lance Taylor  <iant@google.com>
10549
10550         * object.cc (Sized_relobj::include_section_group): Check for
10551         invalid section group.
10552
10553         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10554         header size.
10555
10556         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10557         than read for file header.
10558         * archive.cc (Archive::include_member): Likewise.
10559
10560 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10561
10562         * aclocal.m4: Regenerate.
10563         * configure: Regenerate.
10564
10565 2008-04-19  Ian Lance Taylor  <iant@google.com>
10566
10567         * version.cc (version_string): Bump to 1.6.
10568
10569         * testsuite/Makefile.am (many_sections_r_test): New target.
10570         (many_sections_r_test_SOURCES): Remove.
10571         (many_sections_r_test_DEPENDENCIES): Remove.
10572         (many_sections_r_test_LDFLAGS): Remove.
10573         (many_sections_r_test_LDADD): Remove.
10574
10575         * object.cc (Sized_relobj::do_add_symbols): Always pass
10576         local_symbol_count_ to add_from_relobj.
10577
10578         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10579         every thousand variables.
10580         * testsuite/Makefile.in: Rebuild.
10581
10582         * object.cc (Xindex::initialize_symtab_xindex): New function.
10583         (Xindex::read_symtab_xindex): New function.
10584         (Xindex::sym_xindex_to_shndx): New function.
10585         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10586         available.
10587         (Sized_relobj::do_initialize_xindex): New function.
10588         (Sized_relobj::do_read_symbols): Adjust section links.
10589         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10590         parameter.  Change all callers.
10591         (Sized_relobj::include_section_group): Adjust section links and
10592         symbol section indexes.
10593         (Sized_relobj::do_layout): Adjust section links.
10594         (Sized_relobj::do_count_local_symbols): Adjust section links and
10595         symbol section indexes.
10596         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10597         ordinary and special symbols.
10598         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10599         dynsym_xindex parameters.  Change all callers.  Adjust section
10600         links.  Use SHN_XINDEX when needed.
10601         (Sized_relobj::get_symbol_location_info): Adjust section links.
10602         Don't get fooled by special symbols.
10603         * object.h (class Xindex): Define.
10604         (class Object): Add xindex_ parameter.  Declare virtual functoin
10605         do_initialize_xindex.
10606         (Object::adjust_sym_shndx): New function.
10607         (Object::set_xindex): New protected function.
10608         (class Symbol_value): Add is_ordinary_shndx_ field.
10609         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10610         (Symbol_value::value): Assert ordinary section.
10611         (Symbol_value::initialize_input_to_output_map): Likewise.
10612         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10613         Change all callers.
10614         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10615         all callers.
10616         (class Sized_relobj): Update declarations.
10617         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10618         parameter.  Change all callers.
10619         (Sized_relobj::adjust_shndx): New function.
10620         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10621         field.
10622         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10623         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10624         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10625         (Sized_dynobj::read_dynsym_section): Adjust section links.
10626         (Sized_dynobj::read_dynamic): Likewise.
10627         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10628         section links.
10629         (Sized_dynobj::do_initialize_xindex): New function.
10630         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10631         do_initialize_xindex.
10632         (Sized_dynobj::adjust_shndx): New function.
10633         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10634         dynsym_xindex_ fields.
10635         (Layout::finalize): Add a call to set_section_indexes before
10636         creating the symtab sections.
10637         (Layout::set_section_indexes): Don't do anything if the section
10638         already has a section index.
10639         (Layout::create_symtab_sections): Add shnum parameter.  Change
10640         caller.  Create .symtab_shndx section if needed.
10641         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10642         caller.
10643         (Layout::allocated_output_section_count): New function.
10644         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10645         needed.
10646         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10647         fields.  Update declarations.
10648         (Layout::symtab_xindex): New function.
10649         (Layout::dynsym_xindex): New function.
10650         (class Write_symbols_task): Add layout_ field.
10651         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10652         Change caller.
10653         * output.cc (Output_section_headers::Output_section_headers): Add
10654         shstrtab_section parameter.  Change all callers.
10655         (Output_section_headers::do_sized_write): Store overflow values
10656         for section count and section string table section index in
10657         section header zero.
10658         (Output_file_header::do_sized_write): Check for overflow of
10659         section count and section string table section index.
10660         (Output_symtab_xindex::do_write): New function.
10661         (Output_symtab_xindex::endian_do_write): New function.
10662         * output.h (class Output_section_headers): Add shstrtab_section_.
10663         Update declarations.
10664         (class Output_symtab_xindex): Define.
10665         (Output_section::has_out_shndx): New function.
10666         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10667         field.
10668         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10669         Change all callers.
10670         (Sized_symbol::init): Likewise.
10671         (Symbol::output_section): Check for ordinary symbol.
10672         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10673         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10674         callers.
10675         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10676         Change all callers.  Simplify handling of symbols from sections
10677         not included in the link.
10678         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10679         distinction.
10680         (Weak_alias_sorter::operator()): Assert that symbols are
10681         ordinary.
10682         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10683         distinction.
10684         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10685         parameters.  Change all callers.
10686         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10687         symbol distinction.  Use SHN_XINDEX when needed.
10688         (Symbol_table::write_section_symbol): Add symtab_xindex
10689         parameter.  Change all callers.
10690         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10691         SHN_XINDEX when needed.
10692         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10693         declarations.
10694         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10695         (Symbol::is_defined): Check is_ordinary.
10696         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10697         (Symbol::is_absolute, Symbol::is_common): Likewise.
10698         (class Sized_symbol): Update declarations.
10699         (class Symbol_table): Update declarations.
10700         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10701         parameters.  Change all callers.
10702         (Sized_symbol::override): Likewise.
10703         (Symbol_table::override): Likewise.
10704         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10705         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10706         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10707         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10708         to be in an ordinary section.
10709         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10710         object and is_ordinary parameters.  Change all callers.
10711         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10712         Change all callers.  Don't add undefined or non-ordinary symbols
10713         to reloc_map_.
10714         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10715         Change all callers.
10716         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10717         declarations.
10718         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10719         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10720         (Sized_relobj::relocate_sections): Likewise.
10721         * target-reloc.h (scan_relocs): Adjust section symbol index.
10722         (scan_relocatable_relocs): Likewise.
10723         * i386.cc (Scan::local): Check for ordinary symbols.
10724         * sparc.cc (Scan::local): Likewise.
10725         * x86_64.cc (Scan::local): Likewise.
10726         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10727         to symbol_section_and_value.
10728         * testsuite/many_sections_test.cc: New file.
10729         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10730         (check_PROGRAMS): Add many_sections_test.
10731         (many_sections_test_SOURCES): Define.
10732         (many_sections_test_DEPENDENCIES): Define.
10733         (many_sections_test_LDFLAGS): Define.
10734         (BUILT_SOURCES): Add many_sections_define.h.
10735         (many_sections_define.h): New target.
10736         (BUILT_SOURCES): Add many_sections_check.h.
10737         (many_sections_check.h): New target.
10738         (check_PROGRAMS): Add many_sections_r_test.
10739         (many_sections_r_test_SOURCES): Define.
10740         (many_sections_r_test_DEPENDENCIES): Define.
10741         (many_sections_r_test_LDFLAGS): Define.
10742         (many_sections_r_test_LDADD): Define.
10743         (many_sections_r_test.o): New target.
10744         * testsuite/Makefile.in: Rebuild.
10745
10746 2008-04-17  Cary Coutant  <ccoutant@google.com>
10747
10748         * errors.cc (Errors::info): New function.
10749         (gold_info): New function.
10750         * errors.h (Errors::info): New function.
10751         * gold.h (gold_info): New function.
10752         * object.cc (Input_objects::add_object): Print trace output.
10753         * options.cc (options::parse_set): New function.
10754         (General_options::parse_wrap): Deleted.
10755         (General_options::General_options): Deleted initializer.
10756         * options.h (options::String_set): New typedef.
10757         (options::parse_set): New function.
10758         (DEFINE_set): New macro.
10759         (General_options::wrap): Changed to use DEFINE_set. Changed
10760         callers of any_wrap_symbols and is_wrap_symbol.
10761         (General_options::trace, General_options::trace_symbol):
10762         New options.
10763         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10764         (General_options::wrap_symbols_): Deleted.
10765         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10766
10767 2008-04-17  David S. Miller  <davem@davemloft.net>
10768
10769         * options.cc (General_options::parse_V): New function.
10770         * options.h: Add entries for -V and -Qy.
10771
10772 2008-04-17  Ian Lance Taylor  <iant@google.com>
10773
10774         * common.cc (Symbol_table::allocate_commons): Remove options
10775         parameter.  Change caller.
10776         (Symbol_table::do_allocate_commons): Remove options parameter.
10777         Change caller.  Just call do_allocate_commons_list twice.
10778         (Symbol_table::do_allocate_commons_list): New function, broken out
10779         of do_allocate_commons.
10780         * common.h (class Allocate_commons_task): Remove options_ field.
10781         Update constructor.
10782         * symtab.cc (Symbol_table::Symbol_table): Initialize
10783         tls_commons_.
10784         (Symbol_table::add_from_object): Put TLS common symbols on
10785         tls_commons_ list.
10786         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10787         which are IN_OUTPUT_DATA.
10788         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10789         allocate_commons and do_allocate_commons declarations.  Declare
10790         do_allocate_commons_list.
10791         * gold.cc (queue_middle_tasks): Update creation of
10792         Allocate_commons_task to not pass options.
10793         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10794         (TLS_TEST_C_FLAGS): New variable.
10795         (tls_test_c_pic.o): New target.
10796         (tls_test_shared.so): Link in tls_test_c_pic.o.
10797         (tls_test_c_pic_ie.o): New target.
10798         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10799         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10800         (tls_test_c.o): New target.
10801         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10802         (tls_pic_test_LDADD): Likewise.
10803         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10804         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10805         (tls_test_c_gnu2.o): New target.
10806         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10807         tls_test_c_gnu2.o.
10808         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10809         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10810         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10811         * testsuite/tls_test.cc: Include "config.h".
10812         (t_last): Call t11_last.
10813         * testsuite/tls_test.h (t11, t11_last): Declare.
10814         * testsuite/tls_test_c.c: New file.
10815         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10816         * configure.ac: Check for OpenMP support.
10817         * configure, config.in, Makefile.in: Rebuild.
10818         * testsuite/Makefile.in: Rebuild.
10819
10820 2008-04-16  Cary Coutant  <ccoutant@google.com>
10821
10822         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10823         (Target_i386::tls_base_symbol_defined_): New field.
10824         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10825         (Target_i386::Scan::global): Likewise.
10826         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10827         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10828         (Target_x86_64::tls_base_symbol_defined_): New field.
10829         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10830         (Target_x86_64::Scan::global): Likewise.
10831
10832 2008-04-16  Cary Coutant  <ccoutant@google.com>
10833
10834         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10835         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10836         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10837         building shared libraries.
10838         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10839         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10840         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10841         * testsuite/Makefile.in: Rebuild.
10842         * testsuite/weak_undef.h: New file.
10843         * testsuite/weak_undef_file1.cc: Add extra test cases.
10844         * testsuite/weak_undef_file2.cc: Likewise.
10845         * testsuite/weak_undef_test.cc: Likewise.
10846
10847 2008-04-16  David S. Miller  <davem@davemloft.net>
10848
10849         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10850         Add issued_non_pic_error_ field.  Declare check_non_pic.
10851         (Target_sparc::Scan::check_non_pic): New function.
10852         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10853         (Target_sparc::Scan::global): Likewise.
10854
10855         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10856         * configure: Rebuild.
10857
10858         * options.h (DEFINE_enable): New macro.
10859         (new_dtags): New enable option.
10860         (initfirst, interpose, loadfltr, nodefaultlib,
10861         nodelete, nodlopen, nodump): New -z options.
10862         * layout.cc (Layout:finish_dynamic_section): If new
10863         dtags enabled, emit DT_RUNPATH.  Also, emit a
10864         DT_FLAGS_1 containing any specified -z flags.
10865
10866 2008-04-16  Ian Lance Taylor  <iant@google.com>
10867
10868         * copy-relocs.cc: New file.
10869         * copy-relocs.h: New file.
10870         * reloc.cc: Remove Copy_relocs code.
10871         * reloc.h: Likewise.
10872         * reloc-types.h (struct Reloc_types) [both versions]: Add
10873         get_reloc_addend_noerror.
10874         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10875         variants of add_global which take an addend which must be zero.
10876         * i386.cc: Include "copy-relocs.h".
10877         (class Target_i386): Change type of copy_relocs_ to variable,
10878         update initializer.
10879         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10880         Change all callers.
10881         (Target_i386::do_finalize_sections): Change handling of
10882         copy_relocs_.
10883         * sparc.cc: Include "copy-relocs.h".
10884         (class Target_sparc): Change type of copy_relocs_ to variable,
10885         update initializer.
10886         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10887         Change all callers.
10888         (Target_sparc::do_finalize_sections): Change handling of
10889         copy_relocs_.
10890         * x86_64.cc: Include "copy-relocs.h".
10891         (class Target_x86_64): Change type of copy_relocs_ to variable,
10892         update initializer.
10893         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10894         class.  Change all callers.
10895         (Target_x86_64::do_finalize_sections): Change handling of
10896         copy_relocs_.
10897         * Makefile.am (CCFILES): Add copy-relocs.cc.
10898         (HFILES): Add copy-relocs.h.
10899
10900         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10901
10902         * testsuite/script_test_4.sh: Permit leading zeroes.
10903
10904 2008-04-15  Ian Lance Taylor  <iant@google.com>
10905
10906         * script-sections.cc (Script_sections::create_segments): Use
10907         header_size_adjustment even when there is enough room for the
10908         headers.
10909         * testsuite/script_test_4.sh: New file.
10910         * testsuite/script_test_4.t: New file.
10911         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10912         (check_DATA): Add script_test_4.stdout.
10913         (MOSTLYCLEANFILES): Likewise.
10914         (script_test_4): New target.
10915         (script_test_4.stdout): New target.
10916         * testsuite/Makefile.in: Rebuild.
10917
10918         * sparc.cc: Add definitions for Output_data_plt_sparc class
10919         constants.
10920
10921 2008-04-14  David S. Miller  <davem@davemloft.net>
10922
10923         * sparc.cc: New file.
10924         * Makefile.am (TARGETSOURCES): Add sparc.cc
10925         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10926         * configure.tgt: Document targ_extra_size and
10927         targ_extra_big_endian.  Add entries for sparc-* and
10928         sparc64-*.
10929         * configure.ac: Handle targ_extra_size and
10930         targ_extra_big_endian.
10931         * Makefile.in: Rebuild.
10932         * configure: Likewise.
10933         * po/POTFILES.in: Likewise.
10934         * po/gold.pot: Likewise.
10935
10936 2008-04-14  Ian Lance Taylor  <iant@google.com>
10937
10938         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10939         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10940         in the name/type/flags to section mapping.  Don't call
10941         allocate_output_section.
10942         (Layout::choose_output_section): Change parameter from adjust_name
10943         to is_input_section.  Don't permit input sections after sections
10944         are attached to segments.  Don't call allocate_output_section.
10945         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10946         not write_enable_output_section.
10947         (Layout::make_output_section): Don't push to
10948         unattached_section_list_ nor call attach_to_segment.  Call
10949         attach_section_to_segment if sections are attached.
10950         (Layout::attach_sections_to_segments): New function.
10951         (Layout::attach_section_to_segment): New function.
10952         (Layout::attach_allocated_section_to_segment): Rename from
10953         attach_to_segment.  Remove flags parameter.
10954         (Layout::allocate_output_section): Remove function.
10955         (Layout::write_enable_output_section): Remove function.
10956         * layout.h (class Layout): Update for above changes.  Add new
10957         field sections_are_attached_.
10958         * output.h (Output_section::update_flags_for_input_section): New
10959         function.
10960         * output.cc (Output_section::add_input_section): Call
10961         update_flags_for_input_section.
10962         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10963
10964 2008-04-11  Cary Coutant  <ccoutant@google.com>
10965
10966         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10967         thought unnecessary.
10968         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10969
10970 2008-04-11  Ian Lance Taylor  <iant@google.com>
10971
10972         * output.h (class Output_section_data): Remove inline definition
10973         of set_addralign.
10974         * output.cc (Output_section_data::set_addralign): New function.
10975
10976 2008-04-11  Cary Coutant  <ccoutant@google.com>
10977
10978         Add support for TLS descriptors for i386 and x86_64.
10979         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10980         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10981         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10982         GOT_TYPE_TLS_DESC.
10983         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10984         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10985         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10986         relocations.
10987         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10988         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10989         Fix problem with initial-exec relocations.
10990         (Target_i386::Relocate::relocate_tls): Likewise.
10991         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10992         relaxation.
10993         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10994         support for section-plus-offset dynamic table entries.
10995         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10996         (Output_data_dynamic::Dynamic_entry): Add support for
10997         section-plus-offset dynamic table entries.
10998         (Output_data_dynamic::Classification): Likewise.
10999         (Output_data_dynamic::classification_): Renamed offset_.
11000         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11001         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11002         (Target_x86_64::make_plt_section): New function.
11003         (Target_x86_64::reserve_tlsdesc_entries): New function.
11004         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11005         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11006         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11007         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11008         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11009         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11010         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11011         add extra PLT entry for TLS descriptors.
11012         (Output_data_plt_x86_64::got_): New field.
11013         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11014         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11015         fields.
11016         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11017         descriptors.
11018         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11019         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11020         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11021         R_386_TLS_DESC_CALL relocations.
11022         (Target_x86_64::Scan::global): Likewise.
11023         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11024         for TLS descriptors.
11025         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11026         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11027         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11028         GD-to-IE relaxation.
11029         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11030         and TLS_DESCRIPTORS.
11031         * Makefile.in: Rebuild.
11032         * configure: Rebuild.
11033         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11034         (tls_test_shared2.so): New target.
11035         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11036         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11037         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11038         (tls_shared_gd_to_ie_test_LDADD): New variable.
11039         (tls_shared_gnu2_gd_to_ie_test): New target.
11040         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11041         New targets.
11042         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11043         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11044         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11045         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11046         (tls_shared_gnu2_test): New target.
11047         (tls_test_gnu2_shared.so): New target.
11048         (tls_shared_gnu2_test_SOURCES): New variable.
11049         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11050         (tls_shared_gnu2_test_LDFLAGS): New variable.
11051         (tls_shared_gnu2_test_LDADD): New variable.
11052         * testsuite/Makefile.in: Rebuild.
11053         * testsuite/Makefile.
11054
11055 2008-04-11  Ian Lance Taylor  <iant@google.com>
11056
11057         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11058         justsyms.t.
11059         * testsuite/Makefile.in: Rebuild.
11060
11061         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11062         long.
11063         * testsuite/script_test_2.cc (main): Adjust test.
11064
11065 2008-04-11  David S. Miller  <davem@davemloft.net>
11066             Ian Lance Taylor  <iant@google.com>
11067
11068         * options.h (General_options): Add entries for '-Y' and
11069         '-relax'.
11070         * options.cc (General_options:finalize): If -Y was used, add those
11071         entries to the library path instead of the default "/lib" and
11072         "/usr/lib".
11073
11074 2008-04-11  David S. Miller  <davem@davemloft.net>
11075
11076         * testsuite/justsyms.t: Start at 0x100.
11077         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11078         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11079         long.
11080         * testsuite/script_test_2.cc: Adjust string and section length
11081         checks.
11082
11083 2008-04-09  Ian Lance Taylor  <iant@google.com>
11084
11085         PR gold/5996
11086         * script-sections.cc (Sections_element::allocate_to_segment): Add
11087         orphan parameter.
11088         (Output_section_definition::allocate_to_segment): Likewise.
11089         (Orphan_output_section::allocate_to_segment): Likewise.
11090         (Script_sections::attach_sections_using_phdrs_clause): Don't
11091         propagate non-PT_LOAD segments to orphan sections.
11092         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11093         readelf rather than objdump.
11094         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11095         .interp section and PT_INTERP segment are the same size.
11096         * testsuite/Makefile.in: Rebuild.
11097
11098         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11099         aliases for symbols defined in the same object.
11100         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11101         (weak_alias_test_SOURCES): New variable.
11102         (weak_alias_test_DEPENDENCIES): New variable.
11103         (weak_alias_test_LDFLAGS): New variable.
11104         (weak_alias_test_LDADD): New variable.
11105         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11106         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11107         (weak_alias_test_3.o): New target.
11108         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11109         * testsuite/weak_alias_test_main.cc: New file.
11110         * testsuite/weak_alias_test_1.cc: New file.
11111         * testsuite/weak_alias_test_2.cc: New file.
11112         * testsuite/weak_alias_test_3.cc: New file.
11113
11114 2008-04-08  Ian Lance Taylor  <iant@google.com>
11115
11116         * options.h (class General_options): Add --noinhibit-exec option.
11117         * main.cc (main): Check --noinhibit-exec.
11118
11119         * options.h (class General_options): Define --wrap as a special
11120         option.  Add wrap_symbols_ field.
11121         (General_options::any_wrap_symbols): New function.
11122         (General_options::is_wrap_symbol): New function.
11123         * options.cc (General_options::parse_wrap): New function.
11124         (General_options::General_options): Initialize wrap_symbols_.
11125         * symtab.cc (Symbol_table::wrap_symbol): New function.
11126         (Symbol_table::add_from_object): Handle --wrap.
11127         * symtab.h (class Symbol_table): Declare wrap_symbol.
11128         * target.h (Target::wrap_char): New function.
11129         (Target::Target_info): Add wrap_char field.
11130         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11131         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11132         * testsuite/testfile.cc (Target_test::test_target_info):
11133         Likewise.
11134
11135         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11136         there is one.
11137
11138         * layout.h (class Layout): Add added_eh_frame_data_ field.
11139         * layout.cc (Layout::Layout): Initialize new field.
11140         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11141         output section until we find a section we merged successfully.
11142         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11143         that the size be non-zero.
11144
11145         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11146         qualifier.
11147
11148 2008-04-08  Craig Silverstein  <csilvers@google.com>
11149
11150         * configure.ac: Export new conditional variable HAVE_ZLIB.
11151         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11152         on HAVE_ZLIB.
11153         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11154         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11155
11156 2008-04-07  Ian Lance Taylor  <iant@google.com>
11157
11158         * version.cc (version_string): Set to "1.5".
11159
11160         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11161         Add issued_non_pic_error_ field.  Declare check_non_pic.
11162         (Target_x86_64::Scan::check_non_pic): New function.
11163         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11164         (Target_x86_64::Scan::global): Likewise.
11165
11166         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11167         addend parameter.  Change caller.  Handle merge sections.
11168         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11169         Address to Addend.  Don't add in the result of
11170         local_section_offset, pass down the addend and use the returned
11171         value.
11172         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11173         Update declarations of local_section_offset and symbol_value.
11174         * testsuite/two_file_test_1.cc (t18): New function.
11175         * testsuite/two_file_test_2.cc (f18): New function.
11176         * testsuite/two_file_test_main.cc (main): Call t18.
11177         * testsuite/two_file_test.h (t18, f18): Declare.
11178
11179         * configure.ac: Don't test for objdump, c++filt, or readelf.
11180         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11181         conditionals.
11182         (TEST_READELF): New variable.
11183         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11184         (check_PROGRAMS): Add two_file_strip_test.
11185         (two_file_strip_test): New target.
11186         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11187         (two_file_same_shared_strip_test_SOURCES): New variable.
11188         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11189         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11190         (two_file_same_shared_strip_test_LDADD): New variable.
11191         (two_file_shared_strip.so): New target.
11192         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11193         (ver_test_5.syms, ver_test_7.syms): Likewise.
11194         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11195         (strip_test_3.stdout): Use TEST_OBJDUMP.
11196         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11197
11198 2008-04-04  Cary Coutant  <ccoutant@google.com>
11199
11200         * symtab.h (Symbol::is_weak_undefined): New function.
11201         (Symbol::is_strong_undefined): New function.
11202         (Symbol::is_absolute): New function.
11203         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11204         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11205         absolute symbols.
11206         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11207         (weak_undef_test): New target.
11208         * testsuite/Makefile.in: Rebuild.
11209         * testsuite/weak_undef_file1.cc: New file.
11210         * testsuite/weak_undef_file2.cc: New file.
11211         * testsuite/weak_undef_test.cc: New file.
11212
11213 2008-04-03  Craig Silverstein  <csilvers@google.com>
11214
11215         * compressed_output.h (class Output_compressed_section): Use
11216         unsigned buffer.
11217         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11218         add zlib header.
11219         (zlib_compressed_suffix): Removed.
11220         (Output_compressed_section::set_final_data_size): Use unsigned
11221         buffers.
11222         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11223         Fix linker invocation.
11224         (flagstest_o_specialfile_and_compress_debug_sections):
11225         Likewise.
11226         * testsuite/Makefile.in: Regenerated.
11227
11228 2008-04-02  David S. Miller  <davem@davemloft.net>
11229
11230         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11231         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11232
11233 2008-04-02  Craig Silverstein  <csilvers@google.com>
11234
11235         * TODO: New file.
11236
11237 2008-04-02  Ian Lance Taylor  <iant@google.com>
11238
11239         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11240         parameters.  Update for new key type to views_.  Change all
11241         callers.
11242         (File_read::read): Adjust for byteshift in returned view.
11243         (File_read::add_view): New function, broken out of
11244         find_and_make_view.
11245         (File_read::make_view): New function, broken out of
11246         find_and_make_view.
11247         (File_read::find_or_make_view): Add offset and aligned
11248         parameters.  Rewrite accordingly.  Change all callers.
11249         (File_read::get_view): Add offset and aligned parameters.  Adjust
11250         for byteshift in return value.
11251         (File_read::get_lasting_view): Likewise.
11252         * fileread.h (class File_read): Update declarations.
11253         (class File_read::View): Add byteshift_ field.  Add byteshift to
11254         constructor.  Add byteshift method.
11255         * archive.h (Archive::clear_uncached_views): New function.
11256         (Archive::get_view): Add aligned parameter.  Change all callers.
11257         * object.h (Object::get_view): Add aligned parameter.  Change all
11258         callers.
11259         (Object::get_lasting_view): Likewise.
11260
11261         * fileread.cc (File_read::release): Don't call clear_views if
11262         there are multiple objects.
11263         * fileread.h (File_read::clear_uncached_views): New function.
11264         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11265         on the archive.
11266
11267 2008-03-31  Cary Coutant  <ccoutant@google.com>
11268
11269         Add thin archive support.
11270         * archive.cc (Archive::armagt): New const.
11271         (Archive::setup): Remove task parameter and calls to unlock.
11272         (Archive::unlock_nested_archives): New function.
11273         (Archive::read_header): Add nested_off parameter. Change
11274         all callers.
11275         (Archive::interpret_header): Likewise.
11276         (Archive::include_all_members): Change to handle thin
11277         archives.
11278         (Archive::include_member): Likewise.
11279         * archive.h (Archive::Archive): Add new parameters and
11280         initializers.
11281         (Archive::armagt): New const.
11282         (Archive::setup): Remove task parameter.
11283         (Archive::unlock_nested_archives): New function.
11284         (Archive::read_header): Add nested_off parameter.
11285         (Archive::interpret_header): Likewise.
11286         (Archive::Nested_archive_table): New typedef.
11287         (Archive::is_thin_archive_): New field.
11288         (Archive::nested_archives_): New field.
11289         (Archive::options_): New field.
11290         (Archive::dirpath_): New field.
11291         (Archive::task_): New field.
11292         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11293         for thin archives.  Pass additional parameters to
11294         Archive::Archive.  Unlock the archive file after calling
11295         Archive::setup.
11296
11297 2008-03-29  Ian Lance Taylor  <iant@google.com>
11298
11299         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11300         version symbol to be local.
11301         * testsuite/ver_test_4.sh: New file.
11302         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11303         (check_DATA): Add ver_test_4.syms.
11304         (ver_test_4.syms): New target.
11305         * testsuite/Makefile.in: Rebuild.
11306
11307         * output.cc
11308         (Output_section::Input_section_sort_entry::has_priority): New
11309         function.
11310         (Output_section::Input_section_sort_entry::match_file_name): New
11311         function.
11312         (Output_section::Input_section_sort_entry::match_section_name):
11313         Remove.
11314         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11315         Remove.
11316         (Output_section::Input_section_sort_entry::match_section_file):
11317         Remove.
11318         (Output_section::Input_section_sort_compare::operator()): Rewrite
11319         using new Input_section_sort_entry functions.  Sort crtbegin and
11320         crtend first.  Sort sections with no priority before sections with
11321         a priority.
11322         * testsuite/initpri1.c (d3): Check j != 4.
11323         (cd5): New constructor/destructor function.
11324         (main): Check j != 2.
11325
11326         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11327         new symbol when resolving, don't call set_is_default.
11328         * testsuite/ver_test_7.cc: New file.
11329         * testsuite/ver_test_7.sh: New file.
11330         * testsuite/Makefile.am (ver_test_7.so): New target.
11331         (ver_test_7.o): New target.
11332         (check_SCRIPTS): Add ver_test_7.sh.
11333         (check_DATA): Add ver_test_7.syms.
11334         (ver_test_7.syms): New target.
11335
11336 2008-03-28  Ian Lance Taylor  <iant@google.com>
11337
11338         * layout.cc (Layout::layout): If we see an input section with a
11339         name that needs sorting, set the must_sort flag for the output
11340         section.
11341         (Layout::make_output_section): If the name of the output section
11342         indicates that it might require sorting, set the may_sort flag.
11343         * output.h (Output_section::may_sort_attached_input_sections): New
11344         function.
11345         (Output_section::set_may_sort_attached_input_sections): New
11346         function.
11347         (Output_section::must_sort_attached_input_sections): New
11348         function.
11349         (Output_section::set_must_sort_attached_input_sections): New
11350         function.
11351         (class Output_section): Declare Input_section_sort_entry.  Define
11352         Input_section_sort_compare.  Declare
11353         sort_attached_input_sections.  Add new fields:
11354         may_sort_attached_input_sections_,
11355         must_sort_attached_input_sections_,
11356         attached_input_sections_are_sorted_.
11357         * output.cc (Output_section::Output_section): Initialize new
11358         fields.
11359         (Output_section::add_input_section): Add an entry to
11360         input_sections_ if may_sort or must_sort are true.
11361         (Output_section::set_final_data_size): Call
11362         sort_attached_input_sections if necessary.
11363         (Output_section::Input_section_sort_entry): Define new class.
11364         (Output_section::Input_section_sort_compare::operator()): New
11365         function.
11366         (Output_section::sort_attached_input_sections): New function.
11367         * configure.ac: Check whether the compiler supports constructor
11368         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11369         * testsuite/initpri1.c: New file.
11370         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11371         CONSTRUCTOR_PRIORITY.
11372         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11373         (initpri1_LDFLAGS): New variable.
11374         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11375
11376 2008-03-27  Ian Lance Taylor  <iant@google.com>
11377
11378         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11379         * testsuite/common_test_1.c: New file.
11380         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11381         (common_test_1_SOURCES): New variable.
11382         (common_test_1_DEPENDENCIES): New variable.
11383         (common_test_1_LDFLAGS): New variable.
11384
11385         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11386         and commons_ correctly when NAME/VERSION does not override
11387         NAME/NULL.
11388         * testsuite/ver_test_6.c: New file.
11389         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11390         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11391         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11392
11393 2008-03-26  Ian Lance Taylor  <iant@google.com>
11394
11395         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11396         of an undefined symbol from a version script.
11397         * testsuite/Makefile.am (ver_test_5.so): New target.
11398         (ver_test_5.o): New target.
11399         (check_SCRIPTS): Add ver_test_5.sh.
11400         (check_DATA): Add ver_test_5.syms.
11401         (ver_test_5.syms): New target.
11402         * testsuite/ver_test_5.cc: New file.
11403         * testsuite/ver_test_5.script: New file.
11404         * testsuite/ver_test_5.sh: New file.
11405         * Makefile.in, testsuite/Makefile.in: Rebuild.
11406
11407         PR gold/5986
11408         Fix problems building gold with gcc 4.3.0.
11409         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11410         (gold_error_at_location, gold_warning_at_location): Use it.
11411         * configure.ac: Check whether we can compile and use a template
11412         function with a printf attribute.
11413         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11414         when jumping over bytes.
11415         * object.cc: Instantiate Object::read_section_data.
11416         * debug.h: Include <cstring>
11417         * dwarf_reader.cc: Include <algorithm>
11418         * main.cc: Include <cstring>.
11419         * options.cc: Include <cstring>.
11420         * output.cc: Include <cstring>.
11421         * script.cc: Include <cstring>.
11422         * script.h: Include <string>.
11423         * symtab.cc: Include <cstring> and <algorithm>.
11424         * target-select.cc: Include <cstring>.
11425         * version.cc: Include <string>.
11426         * testsuite/testmain.cc: Include <cstdlib>.
11427         * configure, config.in: Rebuild.
11428
11429 2008-03-25  Ian Lance Taylor  <iant@google.com>
11430
11431         * options.cc: Include "../bfd/bfdver.h".
11432         (options::help): Print bug reporting address.
11433
11434         * version.cc (print_version): Adjust output for current value of
11435         BFD_VERSION_STRING.
11436
11437         * NEWS: New file.
11438
11439         * options.cc (options::help): Print list of supported targets.
11440         * target-select.h: Include <vector>.
11441         (class Target_selector): Make machine_, size_, and is_big_endian_
11442         fields const.  Add bfd_name_ and instantiated_target_ fields.
11443         (Target_selector::Target_selector): Add bfd_name parameter.
11444         (Target_selector::recognize): Make non-virtual, call
11445         do_recognize.
11446         (Target_selector::recognize_by_name): Make non-virtual, call
11447         do_recognize_by_name.
11448         (Target_selector::supported_names): New function.
11449         (Target_selector::bfd_name): New function.
11450         (Target_selector::do_instantiate_target): New pure virtual
11451         function.
11452         (Target_selector::do_recognize): New virtual function.
11453         (Target_selector::do_recognize_by_name): New virtual function.
11454         (Target_selector::instantiate_target): New private function.
11455         (supported_target_names): Declare.
11456         * target-select.cc (Target_selector::Target_selector): Update for
11457         new parameter and fields.
11458         (select_target_by_name): Check that the name matches before
11459         calling recognize_by_name.
11460         (supported_target_names): New function.
11461         * i386.cc (class Target_selector_i386): Update Target_selector
11462         constructor call.  Remove recognize and recognize_by_name.  Add
11463         do_instantiate_target.
11464         * x86_64.cc (class Target_selector_x86_64): Likewise.
11465         * testsuite/testfile.cc (class Target_selector_test): Update for
11466         changes to Target_selector.
11467
11468         * README: Rewrite, with some notes on unsupported features.
11469
11470 2008-03-24  Cary Coutant  <ccoutant@google.com>
11471
11472         * i386.cc (Target_i386::Got_type): New enum declaration.
11473         (Target_i386::Scan::local): Updated callers of Output_data_got
11474         member functions.
11475         (Target_i386::Scan::global): Likewise.
11476         (Target_i386::Relocate::relocate): Likewise.
11477         (Target_i386::Relocate::relocate_tls): Likewise.
11478         * object.h (Got_offset_list): New class.
11479         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11480         (Sized_relobj::local_got_offset): Likewise.
11481         (Sized_relobj::set_local_got_offset): Likewise.
11482         (Sized_relobj::local_has_tls_got_offset): Removed.
11483         (Sized_relobj::local_tls_got_offset): Removed.
11484         (Sized_relobj::set_local_tls_got_offset): Removed.
11485         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11486         * output.cc (Output_data_got::add_global): Added got_type parameter.
11487         (Output_data_got::add_global_with_rel): Likewise.
11488         (Output_data_got::add_global_with_rela): Likewise.
11489         (Output_data_got::add_global_pair_with_rel): New function.
11490         (Output_data_got::add_global_pair_with_rela): New function.
11491         (Output_data_got::add_local): Added got_type parameter.
11492         (Output_data_got::add_local_with_rel): Likewise.
11493         (Output_data_got::add_local_with_rela): Likewise.
11494         (Output_data_got::add_local_pair_with_rel): New function.
11495         (Output_data_got::add_local_pair_with_rela): New function.
11496         (Output_data_got::add_global_tls): Removed.
11497         (Output_data_got::add_global_tls_with_rel): Removed.
11498         (Output_data_got::add_global_tls_with_rela): Removed.
11499         (Output_data_got::add_local_tls): Removed.
11500         (Output_data_got::add_local_tls_with_rel): Removed.
11501         (Output_data_got::add_local_tls_with_rela): Removed.
11502         * output.h (Output_data_got::add_global): Added got_type parameter.
11503         (Output_data_got::add_global_with_rel): Likewise.
11504         (Output_data_got::add_global_with_rela): Likewise.
11505         (Output_data_got::add_global_pair_with_rel): New function.
11506         (Output_data_got::add_global_pair_with_rela): New function.
11507         (Output_data_got::add_local): Added got_type parameter.
11508         (Output_data_got::add_local_with_rel): Likewise.
11509         (Output_data_got::add_local_with_rela): Likewise.
11510         (Output_data_got::add_local_pair_with_rel): New function.
11511         (Output_data_got::add_local_pair_with_rela): New function.
11512         (Output_data_got::add_global_tls): Removed.
11513         (Output_data_got::add_global_tls_with_rel): Removed.
11514         (Output_data_got::add_global_tls_with_rela): Removed.
11515         (Output_data_got::add_local_tls): Removed.
11516         (Output_data_got::add_local_tls_with_rel): Removed.
11517         (Output_data_got::add_local_tls_with_rela): Removed.
11518         * resolve.cc (Symbol::override_base_with_special): Removed
11519         reference to has_got_offset_ field.
11520         * symtab.cc (Symbol::init_fields): Replaced initialization
11521         of got_offset_ with got_offsets_.  Removed initialization
11522         of has_got_offset_
11523         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11524         (Symbol::got_offset): Likewise.
11525         (Symbol::set_got_offset): Likewise.
11526         (Symbol::has_tls_got_offset): Removed.
11527         (Symbol::tls_got_offset): Removed.
11528         (Symbol::set_tls_got_offset): Removed.
11529         (Symbol::got_offset_): Removed.
11530         (Symbol::tls_mod_got_offset_): Removed.
11531         (Symbol::tls_pair_got_offset_): Removed.
11532         (Symbol::got_offsets_): New field.
11533         (Symbol::has_got_offset): Removed.
11534         (Symbol::has_tls_mod_got_offset): Removed.
11535         (Symbol::has_tls_pair_got_offset): Removed.
11536         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11537         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11538         member functions.
11539         (Target_x86_64::Scan::global): Likewise.
11540         (Target_x86_64::Relocate::relocate): Likewise.
11541         (Target_x86_64::Relocate::relocate_tls): Likewise.
11542
11543 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11544
11545         * yyscript.y: Fix spelling error in comment.
11546
11547 2008-03-24  Ian Lance Taylor  <iant@google.com>
11548
11549         * options.h (class General_options): Define build_id option.
11550         * layout.h (class Layout): Declare write_build_id, create_note,
11551         create_build_id.  Add build_id_note_ member.
11552         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11553         "libiberty.h", "md5.h", "sha1.h".
11554         (Layout::Layout): Initialize eh_frame_data_,
11555         eh_frame_hdr_section_, and build_id_note_.
11556         (Layout::finalize): Call create_build_id.
11557         (Layout::create_note): New function, broken out of
11558         Layout::create_gold_note.
11559         (Layout::create_gold_note): Call create_note.
11560         (Layout::create_build_id): New function.
11561         (Layout::write_build_id): New function.
11562         (Close_task_runner::run): Call write_build_id.
11563
11564         * x86_64.cc: Correct license to GPLv3.
11565
11566 2008-03-23  Ian Lance Taylor  <iant@google.com>
11567
11568         * options.cc: Include "demangle.h".
11569         (parse_optional_string): New function.
11570         (parse_long_option): Handle takes_optional_argument.
11571         (parse_short_option): Update dash_z initializer.  Handle
11572         takes_optional_argument.
11573         (General_options::General_options): Initialize do_demangle_.
11574         (General_options::finalize): Set do_demangle_.  Handle demangling
11575         style.
11576         * options.h (parse_optional_string): Declare.
11577         (struct One_option): Add optional_arg field.  Update constructor.
11578         Update call constructor calls.  Add takes_optional_argument
11579         function.
11580         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11581         (DEFINE_optional_string): Define.
11582         (General_options::demangle): Change from DEFINE_bool to
11583         DEFINE_optional_string.
11584         (General_options::no_demangle): New function.
11585         (General_options::do_demangle): New function.
11586         (General_options::set_do_demangle): New function.
11587         (General_options::execstack_status_): Move definition to end of
11588         class definition.
11589         (General_options::static_): Likewise.
11590         (General_options::do_demangle_): New field.
11591         * object.cc (big_endian>::get_symbol_location_info): Call
11592         Options::do_demangle, not Options::demangle.
11593         * symtab.cc (demangle): Likewise.
11594
11595 2008-03-22  Ian Lance Taylor  <iant@google.com>
11596
11597         * gold.h: Include <cstddef> and <sys/types.h>
11598         * options.h: Include <cstring>.
11599
11600 2008-03-21  Ian Lance Taylor  <iant@google.com>
11601
11602         * Added source code to GNU binutils.