* layout.cc (Free_list::allocate): Provide guarantee of minimum
[external/binutils.git] / gold / ChangeLog
1 2011-08-26  Cary Coutant  <ccoutant@google.com>
2
3         * layout.cc (Free_list::allocate): Provide guarantee of minimum
4         remaining hole size when allocating.
5         (Layout::make_output_section): Set fill methods for debug sections.
6         * layout.h (Free_list::Free_list_node): Move from private to
7         public.
8         (Free_list::set_min_hole_size): New function.
9         (Free_list::begin, Free_list::end): New functions.
10         (Free_list::min_hole_): New data member.
11         * output.cc: Include dwarf.h.
12         (Output_fill_debug_info::do_minimum_hole_size): New function.
13         (Output_fill_debug_info::do_write): New function.
14         (Output_fill_debug_line::do_minimum_hole_size): New function.
15         (Output_fill_debug_line::do_write): New function.
16         (Output_section::Output_section): Initialize new data member.
17         (Output_section::set_final_data_size): Ensure patch space is larger
18         than minimum hole size.
19         (Output_section::do_write): Fill holes in debug sections.
20         * output.h (Output_fill): New class.
21         (Output_fill_debug_info): New class.
22         (Output_fill_debug_line): New class.
23         (Output_section::set_free_space_fill): New function.
24         (Output_section::free_space_fill_): New data member.
25         * testsuite/Makefile.am (incremental_test_3): Add
26         --incremental-patch option.
27         (incremental_test_4): Likewise.
28         (incremental_test_5): Likewise.
29         (incremental_test_6): Likewise.
30         (incremental_copy_test): Likewise.
31         (incremental_common_test_1): Likewise.
32         * testsuite/Makefile.in: Regenerate.
33
34 2011-08-26  Nick Clifton  <nickc@redhat.com>
35
36         * po/es.po: Updated Spanish translation.
37
38 2011-08-01  Cary Coutant  <ccoutant@google.com>
39
40         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
41         * gold/testsuite/Makefile.in: Regenerate.
42         * gold/testsuite/justsyms_exec.c: New source file.
43         * gold/testsuite/justsyms_lib.c: New source file.
44
45 2011-08-01  Cary Coutant  <ccoutant@google.com>
46
47         * layout.cc (Layout::set_segment_offsets): Don't realign text
48         segment if -Ttext was specified.
49         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
50         file type.
51         * object.h (Sized_relobj_file::e_type): New function.
52         (Sized_relobj_file::e_type_): New data member.
53         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
54         base address for ET_EXEC files.
55         * target.cc (Target::do_make_elf_object_implementation): Allow
56         ET_EXEC files with --just-symbols option.
57
58 2011-07-28  Cary Coutant  <ccoutant@google.com>
59
60         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
61         Add thread_number parameter.
62         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
63         * workqueue-threads.cc
64         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
65         current thread if its thread number is greater than desired thread
66         count.
67         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
68         Add thread_number parameter.
69         (Workqueue::should_cancel_thread): Likewise.
70         (Workqueue::find_runnable_or_wait): Pass thread_number to
71         should_cancel_thread.
72         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
73         parameter.
74
75 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
76
77         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
78         only after checking if it cannot be forced local.
79         * symtab.h (is_externally_visible): Check if the symbol is not forced
80         local.
81
82 2011-07-15  Ian Lance Taylor  <iant@google.com>
83
84         * options.h (class General_options): Add --print-output-format.
85         Move -EL next to -EB, for  better --help output.
86         * target-select.cc: Include <cstdio>, "options.h", and
87         "parameters.h".
88         (Target_selector::do_target_bfd_name): New function.
89         (print_output_format): New function.
90         * target-select.h (class Target_selector): Update declarations.
91         (Target_selector::target_bfd_name): New function.
92         (print_output_format): Declare.
93         * main.cc: Include "target-select.h".
94         (main): Handle --print-output-format.
95         * gold.cc: Include "target-select.h".
96         (queue_initial_tasks): Handle --print-output-format when there are
97         no input files.
98         * parameters.cc (parameters_force_valid_target): Give a better
99         error message if -EB/-EL does not match target.
100         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
101         function.
102
103 2011-07-15  Ian Lance Taylor  <iant@google.com>
104
105         * i386.cc (class Output_data_plt_i386): Add layout_ field.
106         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
107         (Output_data_plt_i386::do_write): Write address of .dynamic
108         section to first entry in .got.plt section.
109         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
110         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
111         Initialize layout_.
112         (Output_data_plt_x86_64::do_write): Write address of .dynamic
113         section to first entry in .got.plt section.
114         * layout.h (Layout::dynamic_section): New function.
115
116 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
117
118         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
119         to claim_file call.
120         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
121         input_section_position_, and input_section_glob_.
122         (read_layout_from_file): Call function section_ordering_specified.
123         * layout.h (is_section_ordering_specified): New function.
124         (section_ordering_specified): New function.
125         (section_ordering_specified_): New boolean member.
126         * main.cc(main): Call load_plugins after layout object is defined.
127         * output.cc (Output_section::add_input_section): Use
128         function section_ordering_specified to check if section ordering is
129         needed.
130         * output.cc (Output_section::add_relaxed_input_section): Use
131         function section_ordering_specified to check if section ordering is
132         needed.
133         (Output_section::update_section_layout): New function.
134         (Output_section::sort_attached_input_sections): Check if input section
135         must be reordered.
136         * output.h (Output_section::update_section_layout): New function.
137         * plugin.cc (get_section_count): New function.
138         (get_section_type): New function.
139         (get_section_name): New function.
140         (get_section_contents): New function.
141         (update_section_order): New function.
142         (allow_section_ordering): New function. 
143         (Plugin::load): Add the new interfaces to the transfer vector.
144         (Plugin_manager::load_plugins): New parameter.
145         (Plugin_manager::all_symbols_read): New parameter.
146         (Plugin_manager::claim_file): New parameter. Save the elf object for
147         unclaimed objects.
148         (Plugin_manager::get_elf_object): New function.
149         (Plugin_manager::get_view): Change to directly use the bool to check
150         if get_view is called from claim_file_hook.
151         * plugin.h (input_objects): New function
152         (Plugin__manager::load_plugins): New parameter.
153         (Plugin_manager::claim_file): New parameter.
154         (Plugin_manager::get_elf_object): New function.
155         (Plugin_manager::in_claim_file_handler): New function.
156         (Plugin_manager::in_claim_file_handler_): New member.
157         (layout): New function.
158         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
159         handler with an extra parameter. Make the elf object before calling
160         claim_file handler.
161         * testsuite/plugin_test.c (get_section_count): New function pointer.
162         (get_section_type): New function pointer.
163         (get_section_name): New function pointer.
164         (get_section_contents): New function pointer.
165         (update_section_order): New function pointer.
166         (allow_section_ordering): New function pointer.
167         (onload): Check if the new interfaces exist.
168
169 2011-07-13  Ian Lance Taylor  <iant@google.com>
170
171         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
172         relro section.
173         * x86_64.cc (Target_x86_64::got_section): Likewise.
174         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
175         (relro_now_test_SOURCES): New variable.
176         (relro_now_test_DEPENDENCIES): New variable.
177         (relro_now_test_LDFLAGS): New variable.
178         (relro_now_test_LDADD): New variable.
179         (relro_now_test.so): New target.
180         * testsuite/Makefile.in: Rebuild.
181
182 2011-07-12  Ian Lance Taylor  <iant@google.com>
183
184         PR gold/12980
185         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
186         GLOB_DAT relocation rather than a RELATIVE relocation for a
187         protected symbol when creating a shared library.
188         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
189         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
190         * testsuite/protected_main_1.cc (main): Test that protected
191         function has same address.
192
193 2011-07-11  Ian Lance Taylor  <iant@google.com>
194
195         PR gold/12979
196         * options.h (class General_options): Add -Bgroup.
197         * options.cc (General_options::finalize): If -Bgroup is set,
198         default to --unresolved-symbols=report-all.
199         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
200         * target-reloc.h (issue_undefined_symbol_error): Handle
201         --unresolved-symbols=report-all.
202
203 2011-07-08  Ian Lance Taylor  <iant@google.com>
204
205         PR gold/11985
206         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
207         if linker script discards key sections.
208         (Layout::create_dynamic_symtab): Likewise.
209         (Layout::assign_local_dynsym_offsets): Likewise.
210         (Layout::sized_create_version_sections): Likewise.
211         (Layout::create_interp): Likewise.
212         (Layout::finish_dynamic_section): Likewise.
213         (Layout::set_dynamic_symbol_size): Likewise.
214
215 2011-07-08  Ian Lance Taylor  <iant@google.com>
216
217         PR gold/12386
218         * options.h (class General_options): Add --unresolved-symbols.
219         * target-reloc.h (issue_undefined_symbol_error): Check
220         --unresolved-symbols.  Add comments.
221
222 2011-07-08  Ian Lance Taylor  <iant@google.com>
223
224         * testsuite/odr_violation2.cc (Ordering::operator()): Make
225         expression more complex.
226
227 2011-07-08  Ian Lance Taylor  <iant@google.com>
228
229         PR gold/11317
230         * target-reloc.h (issue_undefined_symbol_error): New inline
231         function, broken out of relocate_section.
232         (relocate_section): Call issue_undefined_symbol_error.
233         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
234         there is no TLS segment if we are about to issue an undefined
235         symbol error.
236         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
237
238 2011-07-08  Ian Lance Taylor  <iant@google.com>
239
240         PR gold/12279
241         * resolve.cc (Symbol_table::should_override): Add fromtype
242         parameter.  Change all callers.  Give error when linking together
243         TLS and non-TLS symbol.
244         (Symbol_table::should_override_with_special): Add fromtype
245         parameter.  Change all callers.
246         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
247         there is no TLS segment if we have reported some errors.
248         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
249
250 2011-07-08  Ian Lance Taylor  <iant@google.com>
251
252         PR gold/12372
253         * target.h (Target::plt_address_for_global): New function.
254         (Target::plt_address_for_local): New function.
255         (Target::plt_section_for_global): Remove.
256         (Target::plt_section_for_local): Remove.
257         (Target::do_plt_address_for_global): New virtual function.
258         (Target::do_plt_address_for_local): New virtual function.
259         (Target::do_plt_section_for_global): Remove.
260         (Target::do_plt_section_for_local): Remove.
261         (Target::register_global_plt_entry): Add Symbol_table and Layout
262         parameters.
263         * output.cc (Output_data_got::Got_entry::write): Use
264         plt_address_for_global and plt_address_for_local.
265         * layout.cc (Layout::add_target_dynamic_tags): Use size and
266         address of output section.
267         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
268         got_irelative_, and irelative_count_ fields.  Update
269         declarations.
270         (Output_data_plt_i386::has_irelative_section): New function.
271         (Output_data_plt_i386::entry_count): Add irelative_count_.
272         (Output_data_plt_i386::set_final_data_size): Likewise.
273         (class Target_i386): Add got_irelative_ and rel_irelative_
274         fields.  Update declarations.
275         (Target_i386::Target_i386): Initialize new fields.
276         (Target_i386::do_plt_address_for_global): New function replacing
277         do_plt_section_for_global.
278         (Target_i386::do_plt_address_for_local): New function replacing
279         do_plt_section_for_local.
280         (Target_i386::got_section): Create got_irelative_.
281         (Target_i386::rel_irelative_section): New function.
282         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
283         fields.  Don't define __rel_iplt_{start,end}.
284         (Output_data_plt_i386::add_entry): Add symtab and layout
285         parameters.  Change all callers.  Use different PLT and GOT for
286         IFUNC symbols.
287         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
288         layout parameters.  Change all callers.  Use different PLT and
289         GOT.
290         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
291         (Output_data_plt_i386::rel_irelative): New function.
292         (Output_data_plt_i386::address_for_global): New function.
293         (Output_data_plt_i386::address_for_local): New function.
294         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
295         IRELATIVE GOT when changing IFUNC GOT entries.
296         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
297         reloc.
298         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
299         if we didn't create an IRELATIVE GOT.
300         (Target_i386::Relocate::relocate): Use plt_address_for_global and
301         plt_address_for_local.
302         (Target_i386::do_dynsym_value): Use plt_address_for_global.
303         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
304         got_irelative_, and irelative_count_ fields.  Update
305         declarations.
306         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
307         Initialize new fields.  Remove symtab parameter.  Change all
308         callers.
309         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
310         irelative_count_.
311         (Output_data_plt_x86_64::has_irelative_section): New function.
312         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
313         (class Target_x86_64): Add got_irelative_ and rel_irelative_
314         fields.  Update declarations.
315         (Target_x86_64::Target_x86_64): Initialize new fields.
316         (Target_x86_64::do_plt_address_for_global): New function replacing
317         do_plt_section_for_global.
318         (Target_x86_64::do_plt_address_for_local): New function replacing
319         do_plt_section_for_local.
320         (Target_x86_64::got_section): Create got_irelative_.
321         (Target_x86_64::rela_irelative_section): New function.
322         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
323         all callers.  Don't create __rel_iplt_{start,end}.
324         (Output_data_plt_x86_64::add_entry): Add symtab and layout
325         parameters.  Change all callers.  Use different PLT and GOT for
326         IFUNC symbols.
327         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
328         layout parameters.  Change all callers.  Use different PLT and
329         GOT.
330         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
331         parameters.  Change all callers.  Use different PLT and GOT for
332         IFUNC symbols.
333         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
334         (Output_data_plt_x86_64::rela_irelative): New function.
335         (Output_data_plt_x86_64::address_for_global): New function.
336         (Output_data_plt_x86_64::address_for_local): New function.
337         (Output_data_plt_x86_64::set_final_data_size): Likewise.
338         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
339         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
340         (Target_x86_64::register_global_plt_entry): Add symtab and layout
341         parameters.
342         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
343         reloc.
344         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
345         symbols if we didn't create an IRELATIVE GOT.
346         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
347         plt_address_for_local.
348         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
349         * testsuite/ifuncvar1.c: New test file.
350         * testsuite/ifuncvar2.c: New test file.
351         * testsuite/ifuncvar3.c: New test file.
352         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
353         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
354         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
355         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
356         * testsuite/Makefile.in: Rebuild.
357
358 2011-07-07  Cary Coutant  <ccoutant@google.com>
359
360         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
361         (two_file_test_1_ndebug.o): Likewise.
362         (two_file_test_1b_ndebug.o): Likewise.
363         (two_file_test_2_ndebug.o): Likewise.
364         (two_file_test_main_ndebug.o): Likewise.
365         (incremental_test_2): Link with no-debug versions.
366
367 2011-07-06  Cary Coutant  <ccoutant@google.com>
368
369         * gold/incremental.cc
370         (Output_section_incremental_inputs::write_info_blocks): Check for
371         hidden and internal symbols.
372
373 2011-07-06  Cary Coutant  <ccoutant@google.com>
374
375         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
376         Check disposition for startup file.
377         (Incremental_inputs::report_command_line): Ignore
378         --incremental-startup-unchanged option.
379         * options.cc (General_options::parse_incremental_startup_unchanged):
380         New function.
381         (General_options::General_options): Initialize new data member.
382         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
383         (General_options): Add --incremental-startup-unchanged option.
384         (General_options::incremental_startup_disposition): New function.
385         (General_options::incremental_startup_disposition_): New data member.
386
387 2011-07-06  Cary Coutant  <ccoutant@google.com>
388
389         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
390         input file index to Script_info ctor.
391         (Sized_incremental_binary::do_file_has_changed): Find the
392         command-line argument for files named in scripts.
393         * incremental.h (Script_info::Script_info): New ctor
394         with input file index.
395         (Script_info::input_file_index): New function.
396         (Script_info::input_file_index_): New data member.
397         (Incremental_binary::get_library): Add const.
398         (Incremental_binary::get_script_info): Add const.
399         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
400         * testsuite/Makefile.am (incremental_test_5): New test case.
401         (incremental_test_6): New test case.
402         * testsuite/Makefile.in: Regenerate.
403
404 2011-07-06  Cary Coutant  <ccoutant@google.com>
405
406         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
407         debug output when command lines differ.
408
409 2011-07-06  Cary Coutant  <ccoutant@google.com>
410
411         * incremental.cc (Incremental_inputs::report_command_line): Ignore
412         --incremental-patch option.
413         * layout.cc (Free_list::allocate): Extend allocation beyond original
414         end if enabled.
415         (Layout::make_output_section): Mark sections that should get
416         patch space.
417         * options.cc (parse_percent): New function.
418         * options.h (parse_percent): New function.
419         (DEFINE_percent): New macro.
420         (General_options): Add --incremental-patch option.
421         * output.cc (Output_section::Output_section): Initialize new data
422         members.
423         (Output_section::add_input_section): Print section name when out
424         of patch space.
425         (Output_section::add_output_section_data): Likewise.
426         (Output_section::set_final_data_size): Add patch space when
427         doing --incremental-full.
428         (Output_section::do_reset_address_and_file_offset): Remove patch
429         space.
430         (Output_segment::set_section_list_addresses): Print debug output
431         only if --incremental-update.
432         * output.h (Output_section::set_is_patch_space_allowed): New function.
433         (Output_section::is_patch_space_allowed_): New data member.
434         (Output_section::patch_space_): New data member.
435         * parameters.cc (Parameters::incremental_full): New function.
436         * parameters.h (Parameters::incremental_full): New function
437         * testsuite/Makefile.am (incremental_test_2): Add test for
438         --incremental-patch option.
439         * testsuite/Makefile.in: Regenerate.
440         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
441         (t18): Remove function body.
442
443 2011-07-05  Doug Kwan  <dougkwan@google.com>
444
445         PR gold/12771
446         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
447         Arm_Address type for relocation result.
448         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
449         overflow check.
450         (Arm_relocate_functions::abs32): Use unaligned access.
451         (Arm_relocate_functions::rel32): Ditto.
452         (Arm_relocate_functions::prel31): Ditto.
453         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
454         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
455         static data relocations.
456         * testsuite/Makefile.in: Regnerate.
457         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
458
459 2011-07-05  Ian Lance Taylor  <iant@google.com>
460
461         PR gold/12392
462         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
463         symbols if necessary.
464         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
465
466 2011-07-05  Ian Lance Taylor  <iant@google.com>
467
468         PR gold/12952
469         * resolve.cc (Symbol::override_base_with_special): Simply override
470         version with special symbol version, ignoring previous version.
471
472 2011-07-05  Ian Lance Taylor  <iant@google.com>
473
474         * object.cc (Sized_relobj_file::include_section_group): Add
475         information to comment about signature location.
476
477 2011-07-02  Ian Lance Taylor  <iant@google.com>
478
479         PR gold/12957
480         * options.h (class General_options): Add -f and -F.
481         * options.cc (General_options::finalize): Fatal error if -f/-F
482         are used without -shared.
483         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
484
485 2011-07-02  Ian Lance Taylor  <iant@google.com>
486
487         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
488
489 2011-07-01  Ian Lance Taylor  <iant@google.com>
490
491         PR gold/12525
492         PR gold/12952
493         * resolve.cc (Symbol::override_base_with_special): Don't override
494         the version if the overriding symbol has a different name.
495         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
496         all callers.  If we give an error about an undefined version,
497         define the base version if necessary.
498         * dynobj.h (class Versions): Update declaration.
499         * testsuite/weak_alias_test_5.cc: New file.
500         * testsuite/weak_alias_test.script: New file.
501         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
502         and versioned_alias have the right value, and call t2.
503         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
504         weak_alias_test_5.so.
505         (weak_alias_test_LDADD): Likewise.
506         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
507         * testsuite/Makefile.in: Rebuild.
508
509 2011-07-01  Ian Lance Taylor  <iant@google.com>
510
511         PR gold/12525
512         * options.h (class General_options): Support -z notext.
513         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
514         -Wl,-z,notext.
515         (two_file_shared_nonpic.so): Likewise.
516         (two_file_shared_mixed.so): Likewise.
517         (two_file_shared_mixed_1.so): Likewise.
518         (weak_undef_lib_nonpic.so): Likewise.
519         (alt/weak_undef_lib_nonpic.so): Likewise.
520         (tls_test_shared_nonpic.so): Likewise.
521         * testsuite/Makefile.in: Rebuild.
522
523 2011-07-01  Ian Lance Taylor  <iant@google.com>
524
525         PR gold/12525
526         * configure.ac: Test whether static linking works, setting
527         the automake conditional HAVE_STATIC.
528         * testsuite/Makefile.am: Disable tests using -static if
529         HAVE_STATIC is not true.
530         * configure, testsuite/Makefile.in: Rebuild.
531
532 2011-07-01  Ian Lance Taylor  <iant@google.com>
533
534         PR gold/12525
535         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
536         Assert if we see DW_EH_PE_indirect.
537         * target.h (Target::ehframe_datarel_base): New function.
538         (Target::do_ehframe_datarel_base): New target function.
539         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
540         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
541         function.
542
543 2011-07-01  Ian Lance Taylor  <iant@google.com>
544
545         PR gold/12571
546         * options.h (class General_options): Add
547         --ld-generated-unwind-info.
548         * ehframe.cc (Fde::write): Add address parameter.  Change all
549         callers.  If associated with PLT, fill in address and size.
550         (Cie::set_output_offset): Only add merge mapping if there is an
551         object.
552         (Cie::write): Add address parameter.  Change all callers.
553         (Eh_frame::add_ehframe_for_plt): New function.
554         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
555         input_offset_ fields into union u_, with new plt field.
556         (Fde::Fde): Adjust for new union field.
557         (Fde::Fde) [Output_data version]: New constructor.
558         (Fde::add_mapping): Only add merge mapping if there is an object.
559         (class Cie): Update declarations.
560         (class Eh_frame): Declare add_ehframe_for_plt.
561         * layout.cc (Layout::layout_eh_frame): Break out code into
562         make_eh_frame_section, and call it.
563         (Layout::make_eh_frame_section): New function.
564         (Layout::add_eh_frame_for_plt): New function.
565         * layout.h (class Layout): Update declarations.
566         * merge.cc (Merge_map::add_mapping): Add assertion.
567         * i386.cc: Include "dwarf.h".
568         (class Output_data_plt_i386): Make first_plt_entry,
569         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
570         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
571         and plt_eh_frame_fde.
572         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
573         boundary.  Call add_eh_frame_for_plt if appropriate.
574         * x86_64.cc: Include "dwarf.h".
575         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
576         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
577         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
578         and plt_eh_frame_fde.
579         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
580         appropriate.
581
582 2011-06-29  Ian Lance Taylor  <iant@google.com>
583
584         PR gold/12629
585         * object.cc (Sized_relobj_file::layout_section): Change shdr
586         parameter to be const.
587         (Sized_relobj_file::layout_eh_frame_section): New function, broken
588         out of do_layout.
589         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
590         appropriate.  Call layout_eh_frame_section.
591         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
592         sections.
593         * object.h (class Sized_relobj_file): Update declarations.
594
595 2011-06-29  Ian Lance Taylor  <iant@google.com>
596
597         PR gold/12652
598         * script.cc (Token::integer_value): Accept trailing M/m/K/k
599         modifier.
600         (Lex::gather_token): Accept trailing M/m/K/k for integers.
601
602 2011-06-29  Ian Lance Taylor  <iant@google.com>
603
604         PR gold/12675
605         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
606         SHT_X86_64_UNWIND.
607         * layout.cc (Layout::layout_eh_frame): Likewise.
608
609 2011-06-29  Ian Lance Taylor  <iant@google.com>
610
611         PR gold/12695
612         * layout.cc (Layout::symtab_section_shndx): New function.
613         * layout.h (class Layout): Declare symtab_section_shndx.
614         * output.cc (Output_section::write_header): Call it.
615
616 2011-06-29  Ian Lance Taylor  <iant@google.com>
617
618         PR gold/12818
619         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
620         symbols which are not used in a relocation.
621
622 2011-06-28  Ian Lance Taylor  <iant@google.com>
623
624         PR gold/12898
625         * layout.cc (Layout::segment_precedes): Don't crash if a linker
626         script create indistinguishable segments.
627         (Layout::set_segment_offsets): Use stable_sort when sorting
628         segments.  Pass this to Compare_segments constructor.
629         * layout.h (class Layout): Make segment_precedes non-static.
630         (class Compare_segments): Change from struct to class.  Add
631         layout_ field.  Add constructor.
632         * script-sections.cc
633         (Script_sections::attach_sections_using_phdrs_clause): Rename
634         local orphan to is_orphan.  Don't report failure to put empty
635         section in segment.  On attachment failure, report name of
636         section, and attach to first PT_LOAD segment.
637
638 2011-06-28  Ian Lance Taylor  <iant@google.com>
639
640         PR gold/12934
641         * target-select.cc (Target_selector::Target_selector): Add
642         emulation parameter.  Change all callers.
643         (select_target_by_bfd_name): Rename from select_target_by_name.
644         Change all callers.
645         (select_target_by_emulation): New function.
646         (supported_emulation_names): New function.
647         * target-select.h (class Target_selector): Add emulation_ field.
648         Update declarations.
649         (Target_selector::recognize_by_bfd_name): Rename from
650         recognize_by_name.  Change all callers.
651         (Target_selector::supported_bfd_names): Rename from
652         supported_names.  Change all callers.
653         (Target_selector::recognize_by_emulation): New function.
654         (Target_selector::supported_emulations): New function.
655         (Target_selector::emulation): New function.
656         (Target_selector::do_recognize_by_bfd_name): Rename from
657         do_recognize_by_name.  Change all callers.
658         (Target_selector::do_supported_bfd_names): Rename from
659         do_supported_names.  Change all callers.
660         (Target_selector::do_recognize_by_emulation): New function.
661         (Target_selector::do_supported_emulations): New function.
662         (select_target_by_bfd_name): Change name in declaration.
663         (select_target_by_emulation): Declare.
664         (supported_emulation_names): Declare.
665         * parameters.cc (parameters_force_valid_target): Try to find
666         target based on emulation from -m option.
667         * options.h (class General_options): Change doc string for -m.
668         * options.cc (help): Print emulations.
669         (General_options::parse_V): Likewise.
670         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
671         Add emulation parameter.  Change all callers.
672
673 2011-06-28  Ian Lance Taylor  <iant@google.com>
674
675         * target.h (class Target): Add osabi_ field.
676         (Target::osabi): New function.
677         (Target::set_osabi): New function.
678         (Target::Target): Initialize osabi_.
679         (Target::do_adjust_elf_header): Make pure virtual.
680         (Sized_target::do_adjust_elf_header): Declare.
681         * target.cc (Sized_target::do_adjust_elf_header): New function.
682         (class Sized_target): Instantiate all versions.
683         * freebsd.h (class Target_freebsd): Remove.
684         (Target_selector_freebsd::do_recognize): Call set_osabi on
685         Target.
686         (Target_selector_freebsd::do_recognize_by_name): Likewise.
687         (Target_selector_freebsd::set_osabi): Remove.
688         * i386.cc (class Target_i386): Inherit from Sized_target rather
689         than Target_freebsd.
690         * x86_64.cc (class Target_x86_64): Likewise.
691
692 2011-06-28  Ian Lance Taylor  <iant@google.com>
693
694         * target.h (Target::can_check_for_function_pointers): Rewrite.
695         Make non-virtual.
696         (Target::can_icf_inline_merge_sections): Likewise.
697         (Target::section_may_have_icf_unsafe_poineters): Likewise.
698         (Target::Target_info): Add can_icf_inline_merge_sections field.
699         (Target::do_can_check_for_function_pointers): New virtual
700         function.
701         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
702         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
703         from can_check_for_function_pointers, move in file.
704         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
705         section_may_have_icf_unsafe_poineters, move in file.
706         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
707         * i386.cc (Target_i386::do_can_check_for_function_pointers):
708         Rename from can_check_for_function_pointers, move in file.
709         (Target_i386::can_icf_inline_merge_sections): Remove.
710         (Target_i386::i386_info): Initialize
711         can_icf_inline_merge_sections.
712         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
713         Initialize can_icf_inline_merge_sections.
714         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
715         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
716         Rename from can_check_for_function_pointers, move in file.
717         (Target_x86_64::can_icf_inline_merge_sections): Remove.
718         (Target_x86_64::x86_64_info): Initialize
719         can_icf_inline_merge_sections.
720         * testsuite/testfile.cc (Target_test::test_target_info):
721         Likewise.
722         * icf.cc (get_section_contents): Correct formatting.
723
724 2011-06-27  Ian Lance Taylor  <iant@google.com>
725
726         * symtab.cc (Symbol::versioned_name): New function.
727         (Symbol_table::add_to_final_symtab): Use versioned_name when
728         appropriate.
729         (Symbol_table::sized_write_symbol): Likewise.
730         * symtab.h (class Symbol): Declare versioned_name.
731         * stringpool.h (class Stringpool_template): Add variant of add
732         which takes a std::basic_string.
733         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
734         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
735         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
736         (ver_test_12.o): New target.
737         * testsuite/Makefile.in: Rebuild.
738
739 2011-06-27  Doug Kwan  <dougkwan@google.com>
740
741         * arm.cc (Arm_relocate_functions::thm_jump8,
742         Arm_relocate_functions::thm_jump11): Use a wider signed
743         type to compute offset.
744         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
745         arm_thm_jump8.
746         * testsuite/Makefile.in: Regenerate.
747         * testsuite/arm_branch_in_range.sh: Check test results of
748         arm_thm_jump11 and arm_thm_jump8.
749         * testsuite/arm_thm_jump11.s: New test source file.
750         * testsuite/arm_thm_jump11.t: New linker script.
751         * testsuite/arm_thm_jump8.s: New test source file.
752         * testsuite/arm_thm_jump8.t: New linker script.
753
754 2011-06-24  Ian Lance Taylor  <iant@google.com>
755
756         * layout.cc: Include "object.h".
757         (ctors_sections_in_init_array): New static variable.
758         (Layout::is_ctors_in_init_array): New function.
759         (Layout::layout): Add entry to ctors_sections_in_init_array if
760         appropriate.
761         * layout.h (class Layout): Declare is_ctors_in_init_array.
762         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
763         is_ctors_reverse_view is set.
764         (Sized_relobj_file::write_sections): Add layout parameter.  Change
765         all callers.  Set is_ctors_reverse_view field of View_size.
766         (Sized_relobj_file::reverse_words): New function.
767         * object.h (Sized_relobj_file::View_size): Add
768         is_ctors_reverse_view field.
769         (class Sized_relobj_file): Update declarations.
770         * testsuite/initpri3.c: New test.
771         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
772         initpri3b.
773         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
774         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
775         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
776         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
777         * testsuite/Makefile.in: Rebuild.
778
779 2011-06-24  Cary Coutant  <ccoutant@google.com>
780
781         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
782         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
783         (debug_msg_cdebug.err): New targets.
784         * testsuite/Makefile.in: Regenerate.
785         * testsuite/debug_msg.sh: Check output of link with compressed debug.
786         Fix checks for link with shared library.
787
788 2011-06-24  Doug Kwan  <dougkwan@google.com>
789
790         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
791         skip empty text sections.
792         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
793
794 2011-06-22  Ian Lance Taylor  <iant@google.com>
795
796         PR gold/12910
797         * options.h (class General_options): Add --ctors-in-init-array.
798         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
799         friends as SHT_PROGBITS for merging sections.
800         (Layout::layout): Remove special handling of .init_array and
801         friends.  Don't sort if doing relocatable link.  Sort for .ctors
802         and .dtors if ctors_in_init_array.
803         (Layout::make_output_section): Force correct section types for
804         .init_array and friends.  Don't sort if doing relocatable link,
805         Don't sort .ctors and .dtors if ctors_in_init_array.
806         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
807         (Layout::output_section_name): Add relobj parameter.  Change all
808         callers.  Handle .ctors. and .dtors. in code rather than table.
809         Handle .ctors and .dtors if ctors_in_init_array.
810         (Layout::match_file_name): New function, moved from output.cc.
811         * layout.h (class Layout): Update declarations.
812         * output.cc: Include "layout.h".
813         (Input_section_sort_entry::get_priority): New function.
814         (Input_section_sort_entry::match_file_name): Just call
815         Layout::match_file_name.
816         (Output_section::Input_section_sort_init_fini_compare::operator()):
817         Handle .ctors and .dtors.  Sort by explicit priority rather than
818         by name.
819         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
820         * testsuite/initpri2.c: New test.
821         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
822         (check_PROGRAMS): Add initpri2.
823         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
824         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
825         * configure, testsuite/Makefile.in: Rebuild.
826
827 2011-06-19  Ian Lance Taylor  <iant@google.com>
828
829         PR gold/12880
830         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
831         .interp section to a PT_INTERP segment even if we have seen a
832         --dynamic-linker option.  Don't do it if we have seen a PHDRS
833         clause in a linker script.
834         (Layout::finalize): Don't create a .interp section if we've
835         already create a PT_INTERP segment.
836         (Layout::create_interp): Always call choose_output_section (revert
837         patch of 2011-06-17).  Don't create PT_INTERP segment.
838         * script-sections.cc
839         (Script_sections::create_note_and_tls_segments): Add a .interp
840         section to a PT_INTERP segment even if we have seen a
841         --dynamic-linker option.
842
843 2011-06-18  Ian Lance Taylor  <iant@google.com>
844
845         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
846         merely because a non-PT_LOAD segment has a dynamic reloc.
847
848 2011-06-18  Ian Lance Taylor  <iant@google.com>
849
850         * layout.cc (Layout::finish_dynamic_section): Don't create
851         DT_FLAGS entry if not needed.
852
853 2011-06-18  Ian Lance Taylor  <iant@google.com>
854
855         PR gold/12745
856         * layout.cc (Layout::layout_eh_frame): Correct handling of
857         writable .eh_frame section.
858
859 2011-06-17  Ian Lance Taylor  <iant@google.com>
860
861         PR gold/12893
862         * resolve.cc (Symbol_table::resolve): Don't give an error if a
863         symbol is redefined with the exact same object and value.
864
865 2011-06-17  Ian Lance Taylor  <iant@google.com>
866
867         PR gold/12880
868         * layout.h (class Layout): Add interp_segment_ field.
869         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
870         (Layout::attach_allocated_section_to_segment): If making shared
871         library, put .interp section in PT_INTERP segment.
872         (Layout::finalize): Also call create_interp if -dynamic-linker
873         option was used.
874         (Layout::create_interp): Assert that there is no PT_INTERP
875         segment.  If not using a SECTIONS clause, use make_output_section.
876         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
877         * script-sections.cc
878         (Script_sections::create_note_and_tls_segments): If making shared
879         library, put .interp section in PT_INTERP segment.
880
881 2011-06-17  Ian Lance Taylor  <iant@google.com>
882
883         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
884         when making a shared library.
885
886 2011-06-17  Ian Lance Taylor  <iant@google.com>
887
888         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
889         parameter.  Change all callers.  Don't issue warning about PC32
890         against locally defined symbol.
891
892 2011-06-16  Ian Lance Taylor  <iant@google.com>
893
894         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
895         occurs in same object.
896
897 2011-06-14  Alan Modra  <amodra@gmail.com>
898
899         * po/POTFILES.in: Regenerate.
900
901 2011-06-09  Ian Lance Taylor  <iant@google.com>
902
903         * script-sections.cc
904         (Orphan_output_section::set_section_addresses): For a relocatable
905         link set address to 0.
906
907 2011-06-09  Cary Coutant  <ccoutant@google.com>
908
909         PR gold/12804
910         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
911         used with --compress-debug-sections.
912         * gold/object.cc (Sized_relobj_file::do_layout): Report
913         uncompressed size of compressed input sections.
914
915 2011-06-08  Cary Coutant  <ccoutant@google.com>
916
917         PR gold/12804
918         * testsuite/two_file_test_2_v1.cc: Change initialization of
919         v2 to keep it in .data.
920
921 2011-06-07  Cary Coutant  <ccoutant@google.com>
922
923         * common.cc (Symbol_table::do_allocate_commons_list): Call
924         gold_fallback.
925         * errors.cc (Errors::fatal): Adjust call to gold_exit.
926         (Errors::fallback): New function.
927         (gold_fallback): New function.
928         * errors.h (Errors::fallback): New function.
929         * gold.cc (gold_exit): Change status parameter to enum; adjust
930         all callers.
931         (queue_initial_tasks): Call gold_fallback.
932         * gold.h: Include cstdlib.
933         (Exit_status): New enum type.
934         (gold_exit): Change status parameter to enum.
935         (gold_fallback): New function.
936         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
937         (Layout::create_symtab_sections): Likewise.
938         (Layout::create_shdrs): Likewise.
939         * main.cc (main): Adjust call to gold_exit.
940         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
941         (Output_data_got::add_got_entry_pair): Likewise.
942         (Output_section::add_input_section): Likewise.
943         (Output_section::add_output_section_data): Likewise.
944         (Output_segment::set_section_list_addresses): Likewise.
945         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
946
947 2011-06-07  Cary Coutant  <ccoutant@google.com>
948
949         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
950         for incremental links.
951         * output.cc (Output_segment::set_section_list_addresses): Remove
952         FIXME and test for TLS or BSS.
953
954 2011-06-07  Cary Coutant  <ccoutant@google.com>
955
956         * testsuite/Makefile.am: Add incremental_copy_test,
957         incremental_common_test_1.
958         * testsuite/Makefile.in: Regenerate.
959         * testsuite/common_test_1_v1.c: New source file.
960         * testsuite/common_test_1_v2.c: New source file.
961         * testsuite/copy_test_v1.cc: New source file.
962
963 2011-06-07  Cary Coutant  <ccoutant@google.com>
964
965         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
966         update, allocate common from bss section's free list.
967         * incremental-dump.cc (dump_incremental_inputs): Print flag for
968         linker-defined symbols.
969         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
970         Skip GOT and PLT entries that are no longer referenced.
971         (Output_section_incremental_inputs::write_info_blocks): Mark
972         linker-defined symbols.
973         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
974         * output.cc (Output_section::allocate): New function.
975         * output.h (Output_section::allocate): New function.
976         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
977         linker-defined symbols.
978         (Symbol::override_base_with_special): Copy is_predefined_ flag.
979         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
980         (Symbol::init_base_output_data): Likewise.
981         (Symbol::init_base_output_segment): Likewise.
982         (Symbol::init_base_constant): Likewise.
983         (Sized_symbol::init_output_data): Likewise.
984         (Sized_symbol::init_output_segment): Likewise.
985         (Sized_symbol::init_constant): Likewise.
986         (Symbol_table::do_define_in_output_data): Likewise.
987         (Symbol_table::do_define_in_output_segment): Likewise.
988         (Symbol_table::do_define_as_constant): Likewise.
989         * symtab.h (Symbol::is_predefined): New function.
990         (Symbol::init_base_output_data): Add is_predefined parameter.
991         (Symbol::init_base_output_segment): Likewise.
992         (Symbol::init_base_constant): Likewise.
993         (Symbol::is_predefined_): New data member.
994         (Sized_symbol::init_output_data): Add is_predefined parameter.
995         (Sized_symbol::init_output_segment): Likewise.
996         (Sized_symbol::init_constant): Likewise.
997         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
998
999 2011-06-07  Cary Coutant  <ccoutant@google.com>
1000
1001         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1002         instead of emit_copy_reloc.
1003         (Copy_relocs::emit_copy_reloc): Refactor.
1004         (Copy_relocs::make_copy_reloc): New function.
1005         (Copy_relocs::add_copy_reloc): Remove.
1006         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1007         section.
1008         (Copy_relocs::make_copy_reloc): New function.
1009         (Copy_relocs::add_copy_reloc): Remove.
1010         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1011         unchanged input files.
1012         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1013         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1014         Reserve BSS space for COPY relocations.
1015         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1016         (Output_section_incremental_inputs::write_info_blocks): Record
1017         whether a symbol is copied from a shared object.
1018         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1019         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1020         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1021         (Incremental_input_entry_reader::get_output_symbol_index): Add
1022         is_copy parameter.
1023         (Incremental_binary::emit_copy_relocs): New function.
1024         (Incremental_binary::do_emit_copy_relocs): New function.
1025         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1026         new data member.
1027         (Sized_incremental_binary::add_copy_reloc): New function.
1028         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1029         (Sized_incremental_binary::Copy_reloc): New struct.
1030         (Sized_incremental_binary::Copy_relocs): New typedef.
1031         (Sized_incremental_binary::copy_relocs_): New data member.
1032         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1033         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1034         * target.h (Sized_target::emit_copy_reloc): New function.
1035         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1036
1037 2011-06-02  Cary Coutant  <ccoutant@google.com>
1038
1039         PR gold/12163
1040         * gold/archive.cc (Archive::Archive): Initialize new data member.
1041         (Archive::include_all_members): Return if archive has already been
1042         included.
1043         * gold/archive.h (Archive::include_all_members_): New data member.
1044
1045 2011-06-02  Nick Clifton  <nickc@redhat.com>
1046
1047         * dynobj.h: Fix spelling mistake in comment.
1048         * output.cc: Likewise.
1049
1050 2011-05-31  Doug Kwan  <dougkwan@google.com>
1051             Asier Llano
1052
1053         PR gold/12826
1054         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1055         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1056         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1057         redundant arm_exidx_test.so.
1058         * testsuite/Makefile.in: Regenerate.
1059         (check_SCRIPTS): Add pr12826.sh
1060         (check_DATA): Add pr12826.stdout
1061         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1062         * testsuite/pr12826.sh: New file.
1063         * testsuite/pr12826_1.s: Ditto.
1064         * testsuite/pr12826_1.s: Ditto.
1065
1066 2011-05-30  Ian Lance Taylor  <iant@google.com>
1067
1068         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1069         sections.
1070
1071 2011-05-29  Ian Lance Taylor  <iant@google.com>
1072
1073         PR gold/12804
1074         * testsuite/Makefile.am: Use different file name for two_file_test
1075         temporary file for each incremental test.
1076         * testsuite/Makefile.in: Rebuild.
1077
1078 2011-05-29  Ian Lance Taylor  <iant@google.com>
1079
1080         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1081         binary input file is empty.
1082
1083 2011-05-27  Ian Lance Taylor  <iant@google.com>
1084
1085         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1086         (ver_test_9.so): Likewise.
1087         * testsuite/Makefile.in: Rebuild.
1088
1089 2011-05-26 Cary Coutant  <ccoutant@google.com>
1090
1091         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1092         * incremental.cc (Incremental_inputs::report_input_section): Fix
1093         comment, indentation.
1094         (Incremental_inputs::report_comdat_group): New function.
1095         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1096         of data for incremental input file entry.
1097         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1098         group count, COMDAT group signatures.
1099         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1100         an unchanged input file.
1101         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1102         Initialize new data member.
1103         (Incremental_object_entry::add_comdat_group): New function.
1104         (Incremental_object_entry::get_comdat_group_count): New function.
1105         (Incremental_object_entry::get_comdat_signature_key): New function.
1106         (Incremental_object_entry::groups_): New data member.
1107         (Incremental_inputs::report_comdat_group): New function.
1108         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1109         data for incremental input file entry.
1110         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1111         (Incremental_input_entry_reader::get_input_section): Adjust size of
1112         data for incremental input file entry.
1113         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1114         (Incremental_input_entry_reader::get_comdat_group_signature): New
1115         function.
1116         * object.cc (Sized_relobj::include_section_group): Report kept
1117         COMDAT groups for incremental links.
1118
1119 2011-05-24  David Meyer  <pdox@google.com>
1120
1121         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1122         with name parameter.  Add found_name parameter.
1123         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1124         * dirsearch.h (class Dirsearch): Update declaration.
1125
1126 2011-05-24  Ian Lance Taylor  <iant@google.com>
1127
1128         * archive.cc (Library_base::should_include_member): Pull in object
1129         from archive if it defines the entry symbol.
1130         * parameters.cc (Parameters::entry): New function.
1131         * parameters.h (class Parameters): Declare entry.
1132         * output.h (class Output_file_header): Remove entry_ field.
1133         * output.cc (Output_file_header::Output_file_header): Remove entry
1134         parameter.  Change all callers.
1135         (Output_file_header::entry): Use parameters->entry.
1136         * gold.cc (queue_middle_tasks): Likewise.
1137         * plugin.cc (Plugin_hook::run): Likewise.
1138
1139 2011-05-24 Cary Coutant  <ccoutant@google.com>
1140
1141         * gold.cc (queue_initial_tasks): Pass incremental base filename
1142         to Output_file::open_base_file; don't print error message.
1143         * incremental-dump.cc (main): Adjust call to
1144         Output_file::open_for_modification.
1145         * incremental-dump.cc (main): Likewise.
1146         * incremental.cc (Incremental_inputs::report_command_line):
1147         Ignore --incremental-base option when comparing command lines.
1148         Ignore parameter when given as separate argument.
1149         * options.h (class General_options): Add --incremental-base.
1150         * output.cc (Output_file::Output_file):
1151         (Output_file::open_base_file): Add base_name and writable parameters;
1152         read base file into new file; print error message here.
1153         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1154         callers.
1155         * output.h (Output_file::open_for_modification): Rename to...
1156         (Output_file::open_base_file): ...this; add base_name and
1157         writable parameters; adjust all callers.
1158         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1159         callers.
1160         * testsuite/Makefile.am (incremental_test_4): Test
1161         --incremental-base.
1162         * testsuite/Makefile.in: Regenerate.
1163
1164 2011-05-24 Cary Coutant  <ccoutant@google.com>
1165
1166         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1167         incremental_test_4.
1168         * testsuite/Makefile.in: Regenerate.
1169         * testsuite/two_file_test_1_v1.cc: New test source file.
1170         * testsuite/two_file_test_1b_v1.cc: New test source file.
1171         * testsuite/two_file_test_2_v1.cc: New test source file.
1172
1173 2011-05-24 Cary Coutant  <ccoutant@google.com>
1174
1175         * dynobj.h (Dynobj::do_dynobj): New function.
1176         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1177         flag and soname for shared objects.
1178         * incremental.cc (Incremental_inputs::report_object): Make
1179         either Incremental_object_entry or Incremental_dynobj_entry; add
1180         soname to string table.
1181         (Incremental_inputs::report_input_section): Add assertion.
1182         (Output_section_incremental_inputs::set_final_data_size): Adjust
1183         type of input file entry for shared libraries; adjust size of
1184         shared library info entry.
1185         (Output_section_incremental_inputs::write_input_files): Write
1186         as_needed flag for shared libraries.
1187         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1188         of input file entry for shared libraries; write soname.
1189         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1190         soname from incremental info.
1191         * incremental.h (enum Incremental_input_flags): Add
1192         INCREMENTAL_INPUT_AS_NEEDED.
1193         (Incremental_input_entry::Incremental_input_entry): Initialize new
1194         data member.
1195         (Incremental_input_entry::set_as_needed): New function.
1196         (Incremental_input_entry::as_needed): New function.
1197         (Incremental_input_entry::do_dynobj_entry): New function.
1198         (Incremental_input_entry::as_needed_): New data member.
1199         (Incremental_object_entry::Incremental_object_entry): Don't check
1200         for shared library.
1201         (Incremental_object_entry::do_type): Likewise.
1202         (class Incremental_dynobj_entry): New class.
1203         (Incremental_input_entry_reader::as_needed): New function.
1204         (Incremental_input_entry_reader::get_soname): New function.
1205         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1206         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1207         size of shared library info entry.
1208         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1209         incremental link when adding DT_NEEDED entries.
1210         * object.h (Object::Object): Initialize new data member.
1211         (Object::dynobj): New function.
1212         (Object::set_as_needed): New function.
1213         (Object::as_needed): New function.
1214         (Object::do_dynobj): New function.
1215         (Object::as_needed_): New data member.
1216
1217 2011-05-24 Cary Coutant  <ccoutant@google.com>
1218
1219         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1220         info; adjust display of GOT entries.
1221         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1222         vector of input objects; remove file_status_.
1223         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1224         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1225         got_plt reader; call target hooks to reserve GOT entries.
1226         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1227         of input file info header and GOT info entry.
1228         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1229         relocation info.
1230         (Got_plt_view_info::got_descriptor): Remove.
1231         (Got_plt_view_info::sym_index): New data member.
1232         (Got_plt_view_info::input_index): New data member.
1233         (Local_got_offset_visitor::visit): Write input file index.
1234         (Global_got_offset_visitor::visit): Write 0 for input file index.
1235         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1236         with sym_index and input_index.
1237         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1238         incremental info GOT entry; replace got_descriptor with input_index.
1239         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1240         map from input file index to object.
1241         (Sized_relobj_incr::do_layout): Replace direct data member reference
1242         with accessor function.
1243         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1244         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1245         Adjust size of input file info header.
1246         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1247         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1248         (Incremental_input_entry_reader::get_input_section): Adjust size of
1249         input file info header.
1250         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1251         of incremental info GOT entry.
1252         (Incremental_got_plt_reader::get_got_desc): Remove.
1253         (Incremental_got_plt_reader::get_got_symndx): New function.
1254         (Incremental_got_plt_reader::get_got_input_index): New function.
1255         (Sized_incremental_binary::Sized_incremental_binary): Remove
1256         file_status_; add input_objects_.
1257         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1258         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1259         (Sized_incremental_binary::file_is_unchanged): Remove.
1260         (Sized_incremental_binary::set_input_object): New function.
1261         (Sized_incremental_binary::input_object): New function.
1262         (Sized_incremental_binary::file_status_): Remove.
1263         (Sized_incremental_binary::input_objects_): New data member.
1264         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1265         references.
1266         (Sized_relobj_incr::invalid_address): Move to base class.
1267         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1268         class.
1269         (Sized_relobj_incr::do_output_section_offset): Likewise.
1270         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1271         (Sized_relobj_incr::section_offsets_): Likewise.
1272         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1273         function.
1274         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1275         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1276         with accessor function.
1277         (Sized_relobj_file::do_layout): Likewise.
1278         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1279         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1280         (Sized_relobj_file::compute_final_local_value): Replace refs to
1281         section_offsets_ with accessor function.
1282         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1283         * object.h (Relobj::Relobj): Initialize new data members.
1284         (Relobj::add_dyn_reloc): New function.
1285         (Relobj::first_dyn_reloc): New function.
1286         (Relobj::dyn_reloc_count): New function.
1287         (Relobj::first_dyn_reloc_): New data member.
1288         (Relobj::dyn_reloc_count_): New data member.
1289         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1290         references.
1291         (Sized_relobj::Address): New typedef.
1292         (Sized_relobj::invalid_address): Move here from child class.
1293         (Sized_relobj::Sized_relobj): Initialize new data members.
1294         (Sized_relobj::sized_relobj): New function.
1295         (Sized_relobj::is_output_section_offset_invalid): Move here from
1296         child class.
1297         (Sized_relobj::get_output_section_offset): Likewise.
1298         (Sized_relobj::local_has_got_offset): Likewise.
1299         (Sized_relobj::local_got_offset): Likewise.
1300         (Sized_relobj::set_local_got_offset): Likewise.
1301         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1302         (Sized_relobj::clear_got_offsets): New function.
1303         (Sized_relobj::section_offsets): Move here from child class.
1304         (Sized_relobj::do_output_section_offset): Likewise.
1305         (Sized_relobj::do_set_section_offset): Likewise.
1306         (Sized_relobj::Local_got_offsets): Likewise.
1307         (Sized_relobj::local_got_offsets_): Likewise.
1308         (Sized_relobj::section_offsets_): Likewise.
1309         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1310         references.
1311         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1312         class.
1313         (Sized_relobj_file::sized_relobj): New function
1314         (Sized_relobj_file::local_has_got_offset): Move to base class.
1315         (Sized_relobj_file::local_got_offset): Likewise.
1316         (Sized_relobj_file::set_local_got_offset): Likewise.
1317         (Sized_relobj_file::get_output_section_offset): Likewise.
1318         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1319         (Sized_relobj_file::do_output_section_offset): Likewise.
1320         (Sized_relobj_file::do_set_section_offset): Likewise.
1321         (Sized_relobj_file::Local_got_offsets): Likewise.
1322         (Sized_relobj_file::local_got_offsets_): Likewise.
1323         (Sized_relobj_file::section_offsets_): Likewise.
1324         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1325         (all constructors).
1326         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1327         (Output_reloc::get_symbol_index): Likewise.
1328         (Output_reloc::local_section_offset): Likewise.
1329         (Output_reloc::get_address): Likewise.
1330         (Output_reloc::symbol_value): Likewise.
1331         (Output_data_got::reserve_slot): Move to class definition.
1332         (Output_data_got::reserve_local): New function.
1333         (Output_data_got::reserve_slot_for_global): Remove.
1334         (Output_data_got::reserve_global): New function.
1335         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1336         (all constructors, two instantiations).
1337         (Output_reloc::get_relobj): New function (two instantiations).
1338         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1339         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1340         (Output_data_reloc::add_global): Adjust type of relobj.
1341         (Output_data_reloc::add_global_relative): Likewise.
1342         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1343         (Output_data_reloc::add_local): Likewise.
1344         (Output_data_reloc::add_local_relative): Likewise.
1345         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1346         (Output_data_reloc::add_local_section): Likewise.
1347         (Output_data_reloc::add_output_section): Likewise.
1348         (Output_data_reloc::add_absolute): Likewise.
1349         (Output_data_reloc::add_target_specific): Likewise.
1350         (Output_data_got::reserve_slot): Move definition here.
1351         (Output_data_got::reserve_local): New function.
1352         (Output_data_got::reserve_global): New function.
1353         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1354         section_offsets_ with accessor function.
1355         (Sized_relobj_file::write_sections): Likewise.
1356         (Sized_relobj_file::do_relocate_sections): Likewise.
1357         * target.h (Sized_target::reserve_local_got_entry): New function.
1358         (Sized_target::reserve_global_got_entry): New function.
1359         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1360         (Target_x86_64::reserve_global_got_entry): New function.
1361         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1362
1363 2011-05-23 Cary Coutant  <ccoutant@google.com>
1364
1365         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1366         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1367         bit when checking got_type.
1368         * incremental.cc (Sized_incremental_binary::setup_readers):
1369         Store symbol table and string table locations; initialize bit vector
1370         of file status flags.
1371         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1372         unchanged files.
1373         (Sized_incremental_binary::do_process_got_plt): New function.
1374         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1375         (Output_section_incremental_inputs::set_final_data_size): Record
1376         file index for each input file.
1377         (Output_section_incremental_inputs::write_got_plt): Store file index
1378         instead of input entry offset for each GOT entry.
1379         * incremental.h
1380         (Incremental_input_entry::Incremental_input_entry): Initialize new
1381         data member.
1382         (Incremental_input_entry::set_offset): Store file index.
1383         (Incremental_input_entry::get_file_index): New function.
1384         (Incremental_input_entry::file_index_): New data member.
1385         (Incremental_binary::process_got_plt): New function.
1386         (Incremental_binary::do_process_got_plt): New function.
1387         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1388         data members.
1389         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1390         (Sized_incremental_binary::set_file_is_unchanged): New function.
1391         (Sized_incremental_binary::file_is_unchanged): New function.
1392         (Sized_incremental_binary::do_process_got_plt): New function.
1393         (Sized_incremental_binary::file_status_): New data member.
1394         (Sized_incremental_binary::main_symtab_loc_): New data member.
1395         (Sized_incremental_binary::main_strtab_loc_): New data member.
1396         * output.cc (Output_data_got::Got_entry::write): Add case
1397         RESERVED_CODE.
1398         (Output_data_got::add_global): Call add_got_entry.
1399         (Output_data_got::add_global_plt): Likewise.
1400         (Output_data_got::add_global_with_rel): Likewise.
1401         (Output_data_got::add_global_with_rela): Likewise.
1402         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1403         (Output_data_got::add_global_pair_with_rela): Likewise.
1404         (Output_data_got::add_local): Call add_got_entry.
1405         (Output_data_got::add_local_plt): Likewise.
1406         (Output_data_got::add_local_with_rel): Likewise.
1407         (Output_data_got::add_local_with_rela): Likewise.
1408         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1409         (Output_data_got::add_local_pair_with_rela): Likewise.
1410         (Output_data_got::reserve_slot): New function.
1411         (Output_data_got::reserve_slot_for_global): New function.
1412         (Output_data_got::add_got_entry): New function.
1413         (Output_data_got::add_got_entry_pair): New function.
1414         (Output_section::add_output_section_data): Edit FIXME.
1415         * output.h
1416         (Output_section_data_build::Output_section_data_build): New
1417         constructor with size parameter.
1418         (Output_data_space::Output_data_space): Likewise.
1419         (Output_data_got::Output_data_got): Initialize new data member; new
1420         constructor with size parameter.
1421         (Output_data_got::add_constant): Call add_got_entry.
1422         (Output_data_got::reserve_slot): New function.
1423         (Output_data_got::reserve_slot_for_global): New function.
1424         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1425         (Output_data_got::add_got_entry): New function.
1426         (Output_data_got::add_got_entry_pair): New function.
1427         (Output_data_got::free_list_): New data member.
1428         * target.h (Sized_target::init_got_plt_for_update): New function.
1429         (Sized_target::register_global_plt_entry): New function.
1430         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1431         Initialize new data member; call init; add constructor with PLT count.
1432         (Output_data_plt_x86_64::init): New function.
1433         (Output_data_plt_x86_64::add_relocation): New function.
1434         (Output_data_plt_x86_64::reserve_slot): New function.
1435         (Output_data_plt_x86_64::free_list_): New data member.
1436         (Target_x86_64::init_got_plt_for_update): New function.
1437         (Target_x86_64::register_global_plt_entry): New function.
1438         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1439         incremental updates.
1440         (Output_data_plt_x86_64::add_relocation): New function.
1441         * testsuite/object_unittest.cc (Object_test): Set default options.
1442
1443 2011-05-16  Ian Lance Taylor  <iant@google.com>
1444
1445         * options.h (class General_options): Make -i a synonym for -r.
1446
1447 2011-05-16  Ian Lance Taylor  <iant@google.com>
1448
1449         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1450
1451 2011-05-10 Cary Coutant  <ccoutant@google.com>
1452
1453         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1454         strip_all (-s).
1455
1456 2011-05-06  Ian Lance Taylor  <iant@google.com>
1457
1458         * layout.cc (Layout::layout): If the output section flags change,
1459         update the ordering.
1460
1461 2011-04-25 Cary Coutant  <ccoutant@google.com>
1462
1463         * incremental-dump.cc (dump_incremental_inputs): Print local
1464         symbol info for each input file.
1465         * incremental.cc
1466         (Output_section_incremental_inputs::set_final_data_size): Add local
1467         symbol info to input file entries in incremental info.
1468         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1469         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1470         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1471         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1472         implementation.
1473         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1474         (Sized_incr_relobj::do_relocate): Write the local symbols.
1475         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1476         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1477         Adjust size of input file header.
1478         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1479         (Incremental_inputs_reader::get_local_symbol_count): New function.
1480         (Incremental_inputs_reader::get_input_section): Adjust size of input
1481         file header.
1482         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1483         (Sized_incr_relobj::This): New typedef.
1484         (Sized_incr_relobj::sym_size): New const data member.
1485         (Sized_incr_relobj::Local_symbol): New struct.
1486         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1487         (Sized_incr_relobj::do_local_symbol_offset): New function.
1488         (Sized_incr_relobj::local_symbol_count_): New data member.
1489         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1490         (Sized_incr_relobj::local_symbol_index_): New data member.
1491         (Sized_incr_relobj::local_symbol_offset_): New data member.
1492         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1493         (Sized_incr_relobj::local_symbols_): New data member.
1494         * object.h (Relobj::output_local_symbol_count): New function.
1495         (Relobj::local_symbol_offset): New function.
1496         (Relobj::do_output_local_symbol_count): New function.
1497         (Relobj::do_local_symbol_offset): New function.
1498         (Sized_relobj::do_output_local_symbol_count): New function.
1499         (Sized_relobj::do_local_symbol_offset): New function.
1500
1501 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1502
1503         * descriptors.cc (set_close_on_exec): New function.
1504         (Descriptors::open): Use set_close_on_exec.
1505         * output.cc (S_ISLNK): Define if not defined.
1506
1507 2011-04-22 Cary Coutant  <ccoutant@google.com>
1508
1509         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1510         global symbol map.
1511         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1512         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1513         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1514         relocations.
1515         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1516         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1517         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1518         * incremental.h
1519         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1520         function.
1521         (Incremental_binary::apply_incremental_relocs): New function.
1522         (Incremental_binary::do_apply_incremental_relocs): New function.
1523         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1524         data member.
1525         (Sized_incremental_binary::add_global_symbol): New function.
1526         (Sized_incremental_binary::global_symbol): New function.
1527         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1528         (Sized_incremental_binary::symbol_map_): New data member.
1529         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1530         * target.h (Sized_target::apply_relocation): New function.
1531         * target-reloc.h (apply_relocation): New function.
1532         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1533
1534 2011-04-22  Doug Kwan  <dougkwan@google.com>
1535
1536         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1537         flag of a SHT_ARM_EXIDX section.
1538         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1539         * testsuite/Makefile.in: Regenerate.
1540         * testsuite/arm_exidx_test.s: New file.
1541         * testsuite/arm_exidx_test.sh: Same.
1542
1543 2011-04-20 Cary Coutant  <ccoutant@google.com>
1544
1545         PR gold/12689
1546         * archive.h (Incremental_archive_entry::Archive_member):
1547         Initialize arg_serial_ (second constructor).
1548
1549 2011-04-17  Ian Lance Taylor  <iant@google.com>
1550
1551         * object.cc (Relocate_info::location): Simplify location string.
1552         * errors.cc (Errors::error_at_location): Don't print program
1553         name.
1554         (Errors::warning_at_location): Likewise.
1555         (Errors::undefined_symbol): Likewise.
1556         * testsuite/debug_msg.sh: Update accordingly.
1557
1558 2011-04-14 Cary Coutant  <ccoutant@google.com>
1559
1560         * gold/layout.cc (Layout::symtab_section_offset): New function.
1561         * gold/layout.h (Layout::symtab_section_offset): New function.
1562         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1563
1564 2011-04-12  Ian Lance Taylor  <iant@google.com>
1565
1566         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1567         with MREMAP_MAYMOVE.
1568         * output.h (class Output_file): Add map_is_allocated_ field.
1569         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1570         not available, provide stubs.  If mremap is not available, #define
1571         it to gold_mremap.
1572         (MREMAP_MAYMOVE): Define if not defined.
1573         (Output_file::Output_file): Initialize map_is_allocated_.
1574         (Output_file::resize): Check map_is_allocated_.
1575         (Output_file::map_anonymous): If mmap fails, use malloc.
1576         (Output_file::unmap): Don't do anything for an anonymous map.
1577         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1578         is not available, provide stubs.
1579         (File_read::View::~View): Use free rather than delete[].
1580         (File_read::make_view): Use malloc rather than new[].  If mmap
1581         fails, use malloc.
1582         (File_read::find_or_make_view): Use malloc rather than new[].
1583         * gold.h: Remove HAVE_REMAP code.
1584         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1585         exists.  Rename mremap to gold_mremap.  If mmap is not available
1586         don't do anything.
1587         * configure, config.in: Rebuild.
1588
1589 2011-04-11  Ian Lance Taylor  <iant@google.com>
1590
1591         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1592         initialize local variable v.
1593
1594 2011-04-11  Cary Coutant  <ccoutant@google.com>
1595
1596         * archive.cc (Archive::include_member): Adjust call to
1597         report_object.
1598         (Add_archive_symbols::run): Track argument serial numbers.
1599         (Lib_group::include_member): Likewise.
1600         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1601         * archive.h (Incremental_archive_entry::Archive_member):
1602         Initialize arg_serial_.
1603         (Archive_member::arg_serial_): New data member.
1604         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1605         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1606         incremental link.
1607         (Sized_dynobj::do_for_all_local_got_entries): New function.
1608         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1609         function.
1610         * fileread.cc (get_mtime): New function.
1611         * fileread.h (get_mtime): New function.
1612         * gold.cc (queue_initial_tasks): Check for incremental update.
1613         (process_incremental_input): New function.
1614         (queue_middle_tasks): Don't force valid target for incremental
1615         update.
1616         * incremental-dump.cc (find_input_containing_global): Adjust
1617         size of symbol info entry.
1618         (dump_incremental_inputs): Dump argument serial number and
1619         in_system_directory flag; bias shndx by 1; print symbol names
1620         when dumping per-file symbol lists; use new symbol info readers.
1621         * incremental.cc
1622         (Output_section_incremental_inputs:update_data_size): New function.
1623         (Sized_incremental_binary::setup_readers): Setup input readers
1624         for each input file; build maps for files added from libraries
1625         and scripts.
1626         (Sized_incremental_binary::check_input_args): New function.
1627         (Sized_incremental_binary::do_check_inputs): Build map of argument
1628         serial numbers to input arguments.
1629         (Sized_incremental_binary::do_file_has_changed): Rename
1630         do_file_is_unchanged to this; compare file modification times.
1631         (Sized_incremental_binary::do_init_layout): New function.
1632         (Sized_incremental_binary::do_reserve_layout): New function.
1633         (Sized_incremental_binary::do_get_input_reader): Remove.
1634         (Sized_incremental_binary::get_symtab_view): New function.
1635         (Incremental_checker::can_incrementally_link_output_file): Remove.
1636         (Incremental_inputs::report_command_line): Exclude --debug options.
1637         (Incremental_inputs::report_archive_begin): Add parameter; track
1638         argument serial numbers; don't put input file entry for archive
1639         before archive members.
1640         (Incremental_inputs::report_archive_end): Put input file entry
1641         for archive after archive members.
1642         (Incremental_inputs::report_object): Add parameter; track argument
1643         serial numbers and in_system_directory flag.
1644         (Incremental_inputs::report_script): Add parameter; track argument
1645         serial numbers.
1646         (Output_section_incremental_inputs::set_final_data_size): Adjust
1647         size of symbol info entry; check for forwarding symbols.
1648         (Output_section_incremental_inputs::write_input_files): Write
1649         in_system_directory flag and argument serial number.
1650         (Output_section_incremental_inputs::write_info_blocks): Map section
1651         indices between incremental info and original input file; store
1652         input section index for each symbol.
1653         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1654         change operator() to visit().
1655         (class Global_got_offset_visitor): Likewise.
1656         (class Global_symbol_visitor_got_plt):
1657         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1658         classes.
1659         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1660         (Sized_incr_relobj::do_read_symbols): New function.
1661         (Sized_incr_relobj::do_layout): New function.
1662         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1663         (Sized_incr_relobj::do_add_symbols): New function.
1664         (Sized_incr_relobj::do_should_include_member): New function.
1665         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1666         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1667         (Sized_incr_relobj::do_section_size): New function.
1668         (Sized_incr_relobj::do_section_name): New function.
1669         (Sized_incr_relobj::do_section_contents): New function.
1670         (Sized_incr_relobj::do_section_flags): New function.
1671         (Sized_incr_relobj::do_section_entsize): New function.
1672         (Sized_incr_relobj::do_section_address): New function.
1673         (Sized_incr_relobj::do_section_type): New function.
1674         (Sized_incr_relobj::do_section_link): New function.
1675         (Sized_incr_relobj::do_section_info): New function.
1676         (Sized_incr_relobj::do_section_addralign): New function.
1677         (Sized_incr_relobj::do_initialize_xindex): New function.
1678         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1679         (Sized_incr_relobj::do_read_relocs): New function.
1680         (Sized_incr_relobj::do_gc_process_relocs): New function.
1681         (Sized_incr_relobj::do_scan_relocs): New function.
1682         (Sized_incr_relobj::do_count_local_symbols): New function.
1683         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1684         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1685         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1686         (Sized_incr_relobj::do_relocate): New function.
1687         (Sized_incr_relobj::do_set_section_offset): New function.
1688         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1689         (Sized_incr_dynobj::do_read_symbols): New function.
1690         (Sized_incr_dynobj::do_layout): New function.
1691         (Sized_incr_dynobj::do_add_symbols): New function.
1692         (Sized_incr_dynobj::do_should_include_member): New function.
1693         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1694         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1695         (Sized_incr_dynobj::do_section_size): New function.
1696         (Sized_incr_dynobj::do_section_name): New function.
1697         (Sized_incr_dynobj::do_section_contents): New function.
1698         (Sized_incr_dynobj::do_section_flags): New function.
1699         (Sized_incr_dynobj::do_section_entsize): New function.
1700         (Sized_incr_dynobj::do_section_address): New function.
1701         (Sized_incr_dynobj::do_section_type): New function.
1702         (Sized_incr_dynobj::do_section_link): New function.
1703         (Sized_incr_dynobj::do_section_info): New function.
1704         (Sized_incr_dynobj::do_section_addralign): New function.
1705         (Sized_incr_dynobj::do_initialize_xindex): New function.
1706         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1707         (make_sized_incremental_object): New function.
1708         (Incremental_library::copy_unused_symbols): New function.
1709         (Incremental_library::do_for_all_unused_symbols): New function.
1710         * incremental.h (enum Incremental_input_flags): New type.
1711         (class Incremental_checker): Remove.
1712         (Incremental_input_entry::Incremental_input_entry): Add argument
1713         serial number.
1714         (Incremental_input_entry::arg_serial): New function.
1715         (Incremental_input_entry::set_is_in_system_directory): New function.
1716         (Incremental_input_entry::is_in_system_directory): New function.
1717         (Incremental_input_entry::arg_serial_): New data member.
1718         (Incremental_input_entry::is_in_system_directory_): New data member.
1719         (class Script_info): Move here from script.h.
1720         (Script_info::Script_info): Add filename parameter.
1721         (Script_info::filename): New function.
1722         (Script_info::filename_): New data member.
1723         (Incremental_script_entry::Incremental_script_entry): Add argument
1724         serial number.
1725         (Incremental_object_entry::Incremental_object_entry): Likewise.
1726         (Incremental_object_entry::add_input_section): Build list of input
1727         sections with map to original shndx.
1728         (Incremental_object_entry::get_input_section_index): New function.
1729         (Incremental_object_entry::shndx_): New data member.
1730         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1731         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1732         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1733         serial number.
1734         (Incremental_inputs::report_archive_begin): Likewise.
1735         (Incremental_inputs::report_object): Likewise.
1736         (Incremental_inputs::report_script): Likewise.
1737         (class Incremental_global_symbol_reader): New class.
1738         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1739         and store flags and input file type.
1740         (Incremental_input_entry_reader::arg_serial): New function.
1741         (Incremental_input_entry_reader::type): Extract type from flags.
1742         (Incremental_input_entry_reader::is_in_system_directory): New function.
1743         (Incremental_input_entry_reader::get_input_section_count): Call
1744         accessor function for type.
1745         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1746         function for type; adjust size of global symbol entry.
1747         (Incremental_input_entry_reader::get_global_symbol_count): Call
1748         accessor function for type.
1749         (Incremental_input_entry_reader::get_object_count): Likewise.
1750         (Incremental_input_entry_reader::get_object_offset): Likewise.
1751         (Incremental_input_entry_reader::get_member_count): Likewise.
1752         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1753         (Incremental_input_entry_reader::get_member_offset): Likewise.
1754         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1755         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1756         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1757         (Incremental_input_entry_reader::get_global_symbol_reader): New
1758         function.
1759         (Incremental_input_entry_reader::get_output_symbol_index): New
1760         function.
1761         (Incremental_input_entry_reader::type_): Remove.
1762         (Incremental_input_entry_reader::flags_): New data member.
1763         (Incremental_inputs_reader::input_file_offset): New function.
1764         (Incremental_inputs_reader::input_file_index): New function.
1765         (Incremental_inputs_reader::input_file): Call input_file_offset.
1766         (Incremental_inputs_reader::input_file_at_offset): New function.
1767         (Incremental_relocs_reader::get_r_type): Reformat.
1768         (Incremental_relocs_reader::get_r_shndx): Reformat.
1769         (Incremental_relocs_reader::get_r_offset): Reformat.
1770         (Incremental_relocs_reader::data): New function.
1771         (Incremental_binary::Incremental_binary): Initialize new data members.
1772         (Incremental_binary::check_inputs): Add cmdline parameter.
1773         (Incremental_binary::file_is_unchanged): Remove.
1774         (Input_reader::arg_serial): New function.
1775         (Input_reader::get_unused_symbol_count): New function.
1776         (Input_reader::get_unused_symbol): New function.
1777         (Input_reader::do_arg_serial): New function.
1778         (Input_reader::do_get_unused_symbol_count): New function.
1779         (Input_reader::do_get_unused_symbol): New function.
1780         (Incremental_binary::input_file_count): New function.
1781         (Incremental_binary::get_input_reader): Change signature to use
1782         index instead of filename.
1783         (Incremental_binary::file_has_changed): New function.
1784         (Incremental_binary::get_input_argument): New function.
1785         (Incremental_binary::get_library): New function.
1786         (Incremental_binary::get_script_info): New function.
1787         (Incremental_binary::init_layout): New function.
1788         (Incremental_binary::reserve_layout): New function.
1789         (Incremental_binary::output_file): New function.
1790         (Incremental_binary::do_check_inputs): New function.
1791         (Incremental_binary::do_file_is_unchanged): Remove.
1792         (Incremental_binary::do_file_has_changed): New function.
1793         (Incremental_binary::do_init_layout): New function.
1794         (Incremental_binary::do_reserve_layout): New function.
1795         (Incremental_binary::do_input_file_count): New function.
1796         (Incremental_binary::do_get_input_reader): Change signature.
1797         (Incremental_binary::input_args_map_): New data member.
1798         (Incremental_binary::library_map_): New data member.
1799         (Incremental_binary::script_map_): New data member.
1800         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1801         new data members.
1802         (Sized_incremental_binary::output_section): New function.
1803         (Sized_incremental_binary::inputs_reader): Add const.
1804         (Sized_incremental_binary::symtab_reader): Add const.
1805         (Sized_incremental_binary::relocs_reader): Add const.
1806         (Sized_incremental_binary::got_plt_reader): Add const.
1807         (Sized_incremental_binary::get_symtab_view): New function.
1808         (Sized_incremental_binary::Inputs_reader): New typedef.
1809         (Sized_incremental_binary::Input_entry_reader): New typedef.
1810         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1811         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1812         (Sized_incremental_binary::do_file_has_changed): New function.
1813         (Sized_incremental_binary::do_init_layout): New function.
1814         (Sized_incremental_binary::do_reserve_layout): New function.
1815         (Sized_input_reader::Inputs_reader): Remove.
1816         (Sized_input_reader::Input_entry_reader): Remove.
1817         (Sized_input_reader::do_arg_serial): New function.
1818         (Sized_input_reader::do_get_unused_symbol_count): New function.
1819         (Sized_input_reader::do_get_unused_symbol): New function.
1820         (Sized_incremental_binary::do_input_file_count): New function.
1821         (Sized_incremental_binary::do_get_input_reader): Change signature;
1822         use index instead of filename.
1823         (Sized_incremental_binary::section_map_): New data member.
1824         (Sized_incremental_binary::input_entry_readers_): New data member.
1825         (class Sized_incr_relobj): New class.
1826         (class Sized_incr_dynobj): New class.
1827         (make_sized_incremental_object): New function.
1828         (class Incremental_library): New class.
1829         * layout.cc (Free_list::num_lists): New static data member.
1830         (Free_list::num_nodes): New static data member.
1831         (Free_list::num_removes): New static data member.
1832         (Free_list::num_remove_visits): New static data member.
1833         (Free_list::num_allocates): New static data member.
1834         (Free_list::num_allocate_visits): New static data member.
1835         (Free_list::init): New function.
1836         (Free_list::remove): New function.
1837         (Free_list::allocate): New function.
1838         (Free_list::dump): New function.
1839         (Free_list::print_stats): New function.
1840         (Layout_task_runner::run): Resize output file for incremental updates.
1841         (Layout::Layout): Initialize new data members.
1842         (Layout::set_incremental_base): New function.
1843         (Layout::init_fixed_output_section): New function.
1844         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1845         incremental updates.
1846         (Layout::create_gold_note): Do not create gold note section for
1847         incremental updates.
1848         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1849         for incremental updates.
1850         (Layout::set_section_offsets): For incremental updates, allocate space
1851         from free list.
1852         (Layout::create_symtab_sections): Layout with offsets relative to
1853         start of section; for incremental updates, allocate space from free
1854         list.
1855         (Layout::create_shdrs): For incremental updates, allocate space from
1856         free list.
1857         (Layout::finish_dynamic_section): For incremental updates, do not
1858         check --as-needed (fixed in subsequent patch).
1859         * layout.h (class Free_list): New class.
1860         (Layout::set_incremental_base): New function.
1861         (Layout::incremental_base): New function.
1862         (Layout::init_fixed_output_section): New function.
1863         (Layout::allocate): New function.
1864         (Layout::incremental_base_): New data member.
1865         (Layout::free_list_): New data member.
1866         * main.cc (main): Print Free_list statistics.
1867         * object.cc (Relobj::finalize_incremental_relocs): Add
1868         clear_counts parameter; clear counts only when clear_counts is set.
1869         (Sized_relobj::Sized_relobj): Initialize new base class.
1870         (Sized_relobj::do_layout): Don't report special sections.
1871         (Sized_relobj::do_for_all_local_got_entries): New function.
1872         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1873         symtab_off to all symbol table offsets.
1874         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1875         * object.h (class Got_offset_list): Move to top of file.
1876         (Object::Object): Allow case where input_file == NULL.
1877         (Object::~Object): Likewise.
1878         (Object::input_file): Assert that input_file != NULL.
1879         (Object::lock): Allow case where input_file == NULL.
1880         (Object::unlock): Likewise.
1881         (Object::is_locked): Likewise.
1882         (Object::token): Likewise.
1883         (Object::release): Likewise.
1884         (Object::is_incremental): New function.
1885         (Object::get_mtime): New function.
1886         (Object::for_all_local_got_entries): New function.
1887         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1888         (Object::set_is_in_system_directory): New function.
1889         (Object::is_in_system_directory): New function.
1890         (Object::do_is_incremental): New function.
1891         (Object::do_get_mtime): New function.
1892         (Object::do_for_all_local_got_entries): New function.
1893         (Object::is_in_system_directory_): New data member.
1894         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1895         (class Sized_relobj_base): New class.
1896         (class Sized_relobj): Derive from Sized_relobj_base.
1897         (class Sized_relobj::Symbols): Redeclare from base class.
1898         (class Sized_relobj::local_got_offset_list): Remove.
1899         (class Sized_relobj::Output_sections): Redeclare from base class.
1900         (class Sized_relobj::do_for_all_local_got_entries): New function.
1901         (class Sized_relobj::write_local_symbols): Add offset parameter.
1902         (class Sized_relobj::local_symbol_offset_): Update comment.
1903         (class Sized_relobj::local_dynsym_offset_): Update comment.
1904         * options.cc (Input_arguments::add_file): Remove const.
1905         * options.h (Input_file_argument::Input_file_argument):
1906         Initialize arg_serial_ (all constructors).
1907         (Input_file_argument::set_arg_serial): New function.
1908         (Input_file_argument::arg_serial): New function.
1909         (Input_file_argument::arg_serial_): New data member.
1910         (Input_arguments::Input_arguments): Initialize file_count_.
1911         (Input_arguments::add_file): Remove const.
1912         (Input_arguments::number_of_input_files): New function.
1913         (Input_arguments::file_count_): New data member.
1914         (Command_line::number_of_input_files): Call
1915         Input_arguments::number_of_input_files.
1916         * output.cc (Output_segment_headers::Output_segment_headers):
1917         Set current size.
1918         (Output_section::Input_section::current_data_size): New function.
1919         (Output_section::Output_section): Initialize new data members.
1920         (Output_section::add_input_section): Don't do merge sections for
1921         an incremental link; allocate space from free list for an
1922         incremental update.
1923         (Output_section::add_output_section_data): Allocate space from
1924         free list for an incremental update.
1925         (Output_section::update_data_size): New function.
1926         (Output_section::set_fixed_layout): New function.
1927         (Output_section::reserve): New function.
1928         (Output_segment::set_section_addresses): Remove const.
1929         (Output_segment::set_section_list_addresses): Remove const; allocate
1930         space from free list for an incremental update.
1931         (Output_segment::set_offset): Adjust size of RELRO segment for an
1932         incremental update.
1933         * output.h (Output_data::current_data_size): Move here from
1934         child classes.
1935         (Output_data::pre_finalize_data_size): New function.
1936         (Output_data::update_data_size): New function.
1937         (Output_section_headers::update_data_size): new function.
1938         (Output_section_data_build::current_data_size): Move to Output_data.
1939         (Output_data_strtab::update_data_size): New function.
1940         (Output_section::current_data_size): Move to Output_data.
1941         (Output_section::set_fixed_layout): New function.
1942         (Output_section::has_fixed_layout): New function.
1943         (Output_section::reserve): New function.
1944         (Output_section::update_data_size): New function.
1945         (Output_section::has_fixed_layout_): New data member.
1946         (Output_section::free_list_): New data member.
1947         (Output_segment::set_section_addresses): Remove const.
1948         (Output_segment::set_section_list_addresses): Remove const.
1949         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1950         New function.
1951         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1952         New function.
1953         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1954         parameter when calling Add_symbols constructor; store argument
1955         serial number for members of a lib group.
1956         (Add_symbols::locks): Allow case where token == NULL.
1957         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1958         (Read_member::~Read_member): New function.
1959         (Read_member::is_runnable): New function.
1960         (Read_member::locks): New function.
1961         (Read_member::run): New function.
1962         (Check_script::~Check_script): New function.
1963         (Check_script::is_runnable): New function.
1964         (Check_script::locks): New function.
1965         (Check_script::run): New function.
1966         (Check_library::~Check_library): New function.
1967         (Check_library::is_runnable): New function.
1968         (Check_library::locks): New function.
1969         (Check_library::run): New function.
1970         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1971         (Add_symbols::library_): New data member.
1972         (class Read_member): New class.
1973         (class Check_script): New class.
1974         (class Check_library): New class.
1975         * reloc.cc (Read_relocs::is_runnable): Allow case where
1976         token == NULL.
1977         (Read_relocs::locks): Likewise.
1978         (Scan_relocs::locks): Likewise.
1979         (Relocate_task::locks): Likewise.
1980         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1981         to clear counters.
1982         (Sized_relobj::incremental_relocs_scan): Fix comment.
1983         (Sized_relobj::do_relocate): Pass output file offset to
1984         write_local_symbols.
1985         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1986         from class declaration.
1987         * script.cc (read_input_script): Allocate Script_info; pass
1988         argument serial number to report_script.
1989         * script.h (class Script_info): Move to incremental.h.
1990         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1991         * symtab.h (Symbol_table::add_from_incrobj): New function.
1992         (Symbol_table::set_file_offset): New function.
1993
1994 2011-04-05  Cary Coutant  <ccoutant@google.com>
1995
1996         * incremental-dump.cc (dump_incremental_inputs): Change signature
1997         to take a Sized_incremental_binary; change caller.  Use readers
1998         in Sized_incremental_binary.
1999         * incremental.cc
2000         (Sized_incremental_binary::find_incremental_inputs_sections):
2001         Rename do_find_incremental_inputs_sections to this.
2002         (Sized_incremental_binary::setup_readers): New function.
2003         (Sized_incremental_binary::do_check_inputs): Check
2004         has_incremental_info_ flag; move setup code to setup_readers;
2005         use input readers.
2006         (Sized_incremental_binary::do_file_is_unchanged): New function.
2007         (Sized_incremental_binary::do_get_input_reader): New function.
2008         * incremental.h (class Incremental_binary): Move to end of file.
2009         (Incremental_binary::file_is_unchanged): New function.
2010         (Incremental_binary::do_file_is_unchanged): New function.
2011         (Incremental_binary::Input_reader): New class.
2012         (Incremental_binary::get_input_reader): New function.
2013         (class Sized_incremental_binary): Move to end of file.
2014         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2015         input section reader classes.
2016         (Sized_incremental_binary::has_incremental_info): New function.
2017         (Sized_incremental_binary::inputs_reader): New function.
2018         (Sized_incremental_binary::symtab_reader): New function.
2019         (Sized_incremental_binary::relocs_reader): New function.
2020         (Sized_incremental_binary::got_plt_reader): New function.
2021         (Sized_incremental_binary::do_file_is_unchanged): New function.
2022         (Sized_incremental_binary::Sized_input_reader): New class.
2023         (Sized_incremental_binary::get_input_reader): New function.
2024         (Sized_incremental_binary::find_incremental_inputs_sections):
2025         Rename do_find_incremental_inputs_sections to this.
2026         (Sized_incremental_binary::setup_readers): New function.
2027         (Sized_incremental_binary::has_incremental_info_): New data member.
2028         (Sized_incremental_binary::inputs_reader_): New data member.
2029         (Sized_incremental_binary::symtab_reader_): New data member.
2030         (Sized_incremental_binary::relocs_reader_): New data member.
2031         (Sized_incremental_binary::got_plt_reader_): New data member.
2032         (Sized_incremental_binary::current_input_file_): New data member.
2033
2034 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2035
2036         PR gold/12640
2037         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2038         violation.
2039
2040 2011-03-30  Cary Coutant  <ccoutant@google.com>
2041
2042         * archive.cc (Archive::include_member): Adjust call to report_object.
2043         (Add_archive_symbols::run): Add script_info to call to
2044         report_archive_begin.
2045         (Lib_group::include_member): Adjust call to report_object.
2046         (Add_lib_group_symbols::run): Adjust call to report_object.
2047         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2048         blocks.  Add object count for script input files.
2049         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2050         script_info parameter; change all callers.
2051         (Incremental_inputs::report_object): Add script_info parameter;
2052         change all callers.
2053         (Incremental_inputs::report_script): Store backpointer to
2054         incremental info entry.
2055         (Output_section_incremental_inputs::set_final_data_size): Record
2056         additional information for scripts.
2057         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2058         * incremental.h (Incremental_script_entry::add_object): New function.
2059         (Incremental_script_entry::get_object_count): New function.
2060         (Incremental_script_entry::get_object): New function.
2061         (Incremental_script_entry::objects_): New data member; adjust
2062         constructor.
2063         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2064         (Incremental_inputs::report_object): Add script_info parameter.
2065         (Incremental_inputs_reader::get_object_count): New function.
2066         (Incremental_inputs_reader::get_object_offset): New function.
2067         * options.cc (Input_arguments::add_file): Return reference to
2068         new input argument.
2069         * options.h (Input_argument::set_script_info): New function.
2070         (Input_argument::script_info): New function.
2071         (Input_argument::script_info_): New data member; adjust all
2072         constructors.
2073         (Input_file_group::add_file): Return reference to new input argument.
2074         (Input_file_lib::add_file): Likewise.
2075         (Input_arguments::add_file): Likewise.
2076         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2077         * script.cc (Parser_closure::Parser_closure): Add script_info
2078         parameter; adjust all callers.
2079         (Parser_closure::script_info): New function.
2080         (Parser_closure::script_info_): New data member.
2081         (read_input_script): Report scripts earlier to incremental info.
2082         (script_add_file): Set script_info in Input_argument.
2083         (script_add_library): Likewise.
2084         * script.h (Script_options::Script_info): Rewrite class.
2085
2086 2011-03-29  Cary Coutant  <ccoutant@google.com>
2087
2088         * archive.cc (Library_base::should_include_member): Move
2089         method here from class Archive.
2090         (Archive::Archive): Initialize base class.
2091         (Archive::should_include_member): Move to base class.
2092         (Archive::do_for_all_unused_symbols): New function.
2093         (Add_archive_symbols::run): Remove redundant access to
2094         incremental_inputs.
2095         (Lib_group::Lib_group): Initialize base class.
2096         (Lib_group::do_filename): New function.
2097         (Lib_group::include_member): Pass pointer to Lib_group to
2098         report_object.
2099         (Lib_group::do_for_all_unused_symbols): New function.
2100         (Add_lib_group_symbols::run): Report archive information for
2101         incremental links.
2102         * archive.h (class Library_base): New base class.
2103         (class Archive): Derive from Library_base.
2104         (Archive::filename): Move to base class.
2105         (Archive::set_incremental_info): Likewise.
2106         (Archive::incremental_info): Likewise.
2107         (Archive::Should_include): Likewise.
2108         (Archive::should_include_member): Likewise.
2109         (Archive::Armap_entry): Remove.
2110         (Archive::Unused_symbol_iterator): Remove.
2111         (Archive::unused_symbols_begin): Remove.
2112         (Archive::unused_symbols_end): Remove.
2113         (Archive::do_filename): New function.
2114         (Archive::do_get_mtime): New function.
2115         (Archive::do_for_all_unused_symbols): New function.
2116         (Archive::task_): Move to base class.
2117         (Archive::incremental_info_): Likewise.
2118         (class Lib_group): Derive from Library_base.
2119         (Lib_group::do_filename): New function.
2120         (Lib_group::do_get_mtime): New function.
2121         (Lib_group::do_for_all_unused_symbols): New function.
2122         (Lib_group::task_): Move to base class.
2123         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2124         function.
2125         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2126         function.
2127         * incremental.cc (Incremental_inputs::report_archive_begin):
2128         Use Library_base; call library's get_mtime; add incremental inputs
2129         entry before members.
2130         (class Unused_symbol_visitor): New class.
2131         (Incremental_inputs::report_archive_end): Use Library_base; use
2132         visitor class to record unused symbols; don't add incremental inputs
2133         entry after members.
2134         (Incremental_inputs::report_object): Use Library_base.
2135         * incremental.h
2136         (Incremental_archive_entry::Incremental_archive_entry): Remove
2137         unused Archive parameter.
2138         (Incremental_inputs::report_archive_begin): Use Library_base.
2139         (Incremental_inputs::report_archive_end): Likewise.
2140         (Incremental_inputs::report_object): Likewise.
2141         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2142         function.
2143         * object.h (Object::for_all_global_symbols): New function.
2144         (Object::do_for_all_global_symbols): New function.
2145         (Sized_relobj::do_for_all_global_symbols): New function.
2146         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2147         function.
2148         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2149         function.
2150
2151 2011-03-27  Ian Lance Taylor  <iant@google.com>
2152
2153         * archive.cc (Archive::interpret_header): Return -1 if something
2154         goes wrong.  Change callers accordingly.
2155
2156 2011-03-25  Cary Coutant  <ccoutant@google.com>
2157
2158         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2159         * testsuite/Makefile.in: Regenerate.
2160
2161 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2162
2163         * plugin.cc (get_view): New.
2164         (Plugin::load): Pass get_view to the plugin.
2165         (Plugin_manager::get_view): New.
2166
2167 2011-03-21  Ian Lance Taylor  <iant@google.com>
2168
2169         * testsuite/final_layout.sh: Rewrite to not use dc.
2170         * testsuite/relro_test.sh: Fail if dc is not present.
2171
2172 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2173
2174         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2175         Change == to -eq.
2176         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2177         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2178         Change == to -eq.
2179         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2180         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2181
2182 2011-03-14  Ian Lance Taylor  <iant@google.com>
2183
2184         * script-sections.cc (Sort_output_sections::script_compare):
2185         Rename from is_before, change return type.
2186         (Sort_output_sections::operator()): Adjust accordingly.
2187
2188 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2189
2190         PR gold/12572
2191         * testsuite/odr_violation2.cc: Add comment to make all error line
2192         numbers double digits.
2193         * testsuite/debug_msg.sh: Adjust expected errors.
2194
2195 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2196
2197         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2198         but mark earlier ones as non-canonical
2199         (offset_to_iterator): Update search target and example
2200         (do_addr2line): Return extra lines in a vector*
2201         (format_file_lineno): Extract from do_addr2line
2202         (one_addr2line): Add vector* out-param
2203         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2204         when a lineno entry appeared last for its instruction
2205         (Dwarf_line_info): Add vector* out-param
2206         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2207         * symtab.cc (Odr_violation_compare): Include the lineno in the
2208         comparison again.
2209         (linenos_from_loc): New. Combine the canonical line for an
2210         address with its other lines.
2211         (True_if_intersect): New. Helper functor to make
2212         std::set_intersection a query.
2213         (detect_odr_violations): Compare sets of lines instead of just
2214         one line for each function. This became less deterministic, but
2215         has fewer false positives.
2216         * symtab.h: Declarations.
2217         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2218         mix an optimized and non-optimized object in the same binary
2219         (odr_violation2.so): Same.
2220         * testsuite/Makefile.in: Regenerate from Makefile.am.
2221         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2222         * testsuite/debug_msg.sh: Update line numbers and add
2223         assertions.
2224         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2225         non-optimized context.
2226         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2227         isn't inlined, and use OdrDerived in an optimized context.
2228         * testsuite/odr_header1.h: Defines OdrDerived, where
2229         optimization will change the
2230         first-instruction-in-the-destructor's file and line number.
2231         * testsuite/odr_header2.h: Defines OdrBase.
2232
2233 2011-03-09  Ian Lance Taylor  <iant@google.com>
2234
2235         * fileread.cc (File_read::clear_views): Don't delete the whole
2236         file view.
2237
2238 2011-03-08  Ian Lance Taylor  <iant@google.com>
2239
2240         PR gold/12525
2241         * fileread.cc: #include <climits>.
2242         (GOLD_IOV_MAX): Define.
2243         (File_read::read_multiple): Limit number of entries by iov_max.
2244         * fileread.h (class File_read): Always set max_readv_entries to
2245         128.
2246
2247 2011-03-07  Ian Lance Taylor  <iant@google.com>
2248
2249         PR gold/12525
2250         * options.h (class General_options): Add -dy and -dn.
2251
2252 2011-03-02  Cary Coutant  <ccoutant@google.com>
2253
2254         * testsuite/script_test_9.t: Add TLS segment.
2255
2256 2011-03-02  Simon Baldwin  <simonb@google.com>
2257
2258         * configure.ac: Add check for gnu_indirect_function support in
2259         the toolchain building binutils.
2260         * configure: Rebuild.
2261
2262 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2263
2264         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2265         plugin only symbols.
2266         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2267         in plugin files as not needed in the symbol table.
2268
2269 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2270
2271         * output.cc (Output_section::add_input_section): Delay fill
2272         generation for section ordering.
2273
2274 2011-02-09  Ian Lance Taylor  <iant@google.com>
2275
2276         PR gold/12316
2277         * object.h (class Sized_relobj): Remove clear_local_symbols.
2278         * reloc.cc (Sized_relobj::do_relocate): Don't call
2279         clear_local_symbols.
2280
2281 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2282
2283         * plugin.cc (is_visible_from_outside): Return true for symbols
2284         in the -u option.
2285
2286 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2287
2288         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2289         filename.
2290
2291 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2292
2293         * icf.h (is_section_foldable_candidate): Change type of parameter
2294         to std::string.
2295         * icf.cc (Icf::find_identical_sections): Change type of local variable
2296         section_name to be std::string.
2297         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2298
2299 2011-01-25  Ian Lance Taylor  <iant@google.com>
2300
2301         * script.cc (script_add_extern): Rewrite to use
2302         add_symbol_reference.
2303
2304 2011-01-25  Doug Kwan  <dougkwan@google.com>
2305
2306         * icf.cc (get_section_contents): Always lock section's object.
2307
2308 2011-01-24  Ian Lance Taylor  <iant@google.com>
2309
2310         * options.h (class General_options): Accept
2311         --no-detect-odr-violations.
2312
2313 2011-01-24  Ian Lance Taylor  <iant@google.com>
2314
2315         * version.cc (version_string): Bump to 1.11.
2316
2317 2011-01-24  Ian Lance Taylor  <iant@google.com>
2318
2319         * plugin.cc (class Plugin_rescan): Define new class.
2320         (Plugin_manager::claim_file): Set any_claimed_.
2321         (Plugin_manager::save_archive): New function.
2322         (Plugin_manager::save_input_group): New function.
2323         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2324         necessary.
2325         (Plugin_manager::new_undefined_symbol): New function.
2326         (Plugin_manager::rescan): New function.
2327         (Plugin_manager::rescannable_defines): New function.
2328         (Plugin_manager::add_input_file): Set any_added_.
2329         * plugin.h (class Plugin_manager): define new fields rescannable_,
2330         undefined_symbols_, any_claimed_, and any_added_.  Declare
2331         Plugin_rescan as friend.  Declare new functions.
2332         (Plugin_manager::Rescannable): Define type.
2333         (Plugin_manager::Rescannable_list): Define type.
2334         (Plugin_manager::Undefined_symbol_list): Define type.
2335         (Plugin_manager::Plugin_manager): Initialize new fields.
2336         * archive.cc (Archive::defines_symbol): New function.
2337         (Add_archive_symbols::run): Pass archive to plugins if any.
2338         * archive.h (class Archive): Declare defines_symbol.
2339         * readsyms.cc (Input_group::~Input_group): New function.
2340         (Finish_group::run): Pass input_group to plugins if any.
2341         * readsyms.h (class Input_group): Declare destructor.
2342         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2343         any.
2344
2345 2011-01-10  Ian Lance Taylor  <iant@google.com>
2346
2347         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2348         section as relro.
2349         (Layout::set_segment_offsets): Reset increase_relro before calling
2350         set_section_addresses a second time.
2351
2352 2011-01-04  Cary Coutant  <ccoutant@google.com>
2353
2354         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2355         sections before NOBITS sections.
2356
2357 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2358
2359         * version.cc (print_version): Update copyright to 2011.
2360
2361 2010-12-23  Cary Coutant  <ccoutant@google.com>
2362
2363         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2364         of OS to this->add.  Add OD parameter to second form of the function.
2365
2366 2010-12-20  Ian Lance Taylor  <iant@google.com>
2367
2368         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2369         second of two consecutive entries with same offset.
2370
2371 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2372
2373         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2374         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2375         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2376         to avoid unneeded links against $(LDADD).
2377         * testsuite/Makefile.in: Regenerate.
2378
2379 2010-12-15  Ian Lance Taylor  <iant@google.com>
2380
2381         PR gold/12324
2382         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2383         for R_X86_64_32 and R_X86_64_PC32.
2384         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2385         ver_matching_def_pic.o.
2386         (ver_matching_def_pic.o): New target.
2387
2388 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2389
2390         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2391         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2392         Move definition before File_read::View member definitions.
2393         (File_read::View::~View): Initialize and hold lock before
2394         updating current_mapped_bytes.
2395
2396 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2397
2398         * dwarf_reader.cc: Remove outdated comment.
2399         * gold-threads.cc: Fix typo in error message.
2400         * archive.cc: Fix typos in comments.
2401         * archive.h: Likewise.
2402         * arm-reloc-property.cc: Likewise.
2403         * arm-reloc-property.h: Likewise.
2404         * arm-reloc.def: Likewise.
2405         * arm.cc: Likewise.
2406         * attributes.h: Likewise.
2407         * cref.cc: Likewise.
2408         * ehframe.cc: Likewise.
2409         * fileread.h: Likewise.
2410         * gold.h: Likewise.
2411         * i386.cc: Likewise.
2412         * icf.cc: Likewise.
2413         * incremental.h: Likewise.
2414         * int_encoding.cc: Likewise.
2415         * layout.h: Likewise.
2416         * main.cc: Likewise.
2417         * merge.h: Likewise.
2418         * object.cc: Likewise.
2419         * object.h: Likewise.
2420         * options.cc: Likewise.
2421         * readsyms.cc: Likewise.
2422         * reduced_debug_output.cc: Likewise.
2423         * reloc.cc: Likewise.
2424         * script-sections.cc: Likewise.
2425         * sparc.cc: Likewise.
2426         * symtab.h: Likewise.
2427         * target-reloc.h: Likewise.
2428         * target.cc: Likewise.
2429         * target.h: Likewise.
2430         * timer.cc: Likewise.
2431         * timer.h: Likewise.
2432         * x86_64.cc: Likewise.
2433
2434 2010-12-09  Cary Coutant  <ccoutant@google.com>
2435
2436         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2437         stack.
2438         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2439         parameter; change all callers.
2440         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2441         * options.h (warn_execstack): New option.
2442
2443 2010-12-07  Doug Kwan  <dougkwan@google.com>
2444
2445         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2446         like function call relocations.
2447
2448 2010-12-07  Ian Lance Taylor  <iant@google.com>
2449
2450         * archive.cc (Archive::get_elf_object_for_member): Permit
2451         punconfigured to be NULL.
2452         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2453         (Archive::include_member): Pass NULL to get_elf_object_for_member
2454         if we searched for the archive and this is the first included
2455         object.
2456
2457 2010-12-01  Ian Lance Taylor  <iant@google.com>
2458
2459         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2460         track_relocs_type_ field.
2461         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2462         Set track_relocs_type_.
2463         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2464         contents when using RELA relocs.
2465         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2466         reloc_map_.
2467         * reloc.cc (Track_relocs::next_addend): New function.
2468         * reloc.h (class Track_relocs): Declare next_addend.
2469
2470 2010-12-01  Ian Lance Taylor  <iant@google.com>
2471
2472         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2473         virtual destructor.
2474
2475 2010-12-01  Ian Lance Taylor  <iant@google.com>
2476
2477         * README: Update compilers known to work and fail.
2478
2479 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2480
2481         * configure.in: For --enable-gold, handle value `default' instead of
2482         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2483         not the default.
2484         * configure: Regenerate.
2485
2486 2010-11-18  Doug Kwan  <dougkwan@google.com>
2487
2488         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2489         and right_alignment to be zero.  Store result alignment only if it is
2490         greater than existing alignment.
2491
2492 2010-11-16  Cary Coutant  <ccoutant@google.com>
2493
2494         PR gold/12220
2495         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2496         Check for ".zdebug_line".
2497
2498 2010-11-16  Doug Kwan  <dougkwan@google.com>
2499             Cary Coutant  <ccoutant@google.com>
2500
2501         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2502         by reference; adjust all callers.
2503         * output.cc (Output_segment::set_section_addresses): Adjust references
2504         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2505         list is empty.
2506         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2507         end at page boundary.
2508
2509 2010-11-16  Cary Coutant  <ccoutant@google.com>
2510
2511         PR gold/12220
2512         * layout.cc (Layout::choose_output_section): Transform names of
2513         compressed sections even when using a script with a SECTIONS clause.
2514         (Layout::output_section_name): Remove code to transform
2515         compressed debug section names.
2516         * output.cc (Output_section::add_input_section): Use uncompressed
2517         section size when tracking input sections.
2518
2519 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2520
2521         * symtab.h (Symbol::NON_PIC_REF): Remove.
2522         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2523         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2524         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2525         (Symbol::use_plt_offset): Take a flags argument and pass it
2526         directly to needs_dynamic_reloc.  Restrict check for undefined
2527         weak symbols to function calls.
2528         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2529         (Target_arm::Scan::global): Use it.
2530         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2531         (Target_arm::Relocate::relocate): Likewise.
2532         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2533         parameter with an r_type parameter.  Use get_reference_flags
2534         to get the flags.
2535         (Target_arm::Relocate::relocate): Update accordingly.
2536         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2537         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2538         (Target_i386::Scan::global): Likewise.
2539         (Target_i386::Relocate::relocate): Likewise.
2540         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2541         parameter with an r_type parameter.  Use get_reference_flags
2542         to get the flags.
2543         (Target_i386::Relocate::relocate): Update accordingly.
2544         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2545         (Target_powerpc::Scan::global): Use it.
2546         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2547         (Target_powerpc::Relocate::relocate): Likewise.
2548         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2549         (Target_sparc::Scan::global): Use it.
2550         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2551         (Target_sparc::Relocate::relocate): Likewise.
2552         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2553         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2554         (Target_x86_64::Scan::global): Likewise.
2555         (Target_x86_64::Relocate::relocate): Likewise.
2556
2557 2010-11-08  Doug Kwan  <dougkwan@google.com>
2558             Cary Coutant  <ccoutant@google.com>
2559
2560         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2561         (Arm_exidx_merge_section::section_contents_): New data member.
2562         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2563         (Arm_input_section::~Arm_input_section): De-allocate memory.
2564         (Arm_input_section::original_contents_): New data member.       
2565         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2566         in parameters instead of calling Object::section_contents without
2567         locking.
2568         (Arm_output_section::group_section): New parameter TASK.  Pass it
2569         to callees that need locking objects.
2570         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2571         to lock EXIDX input sections.  Fix a formatting issue.  Call
2572         Arm_exidx_merged_section::build_contents to create merged section
2573         contents.
2574         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2575         to lock object of stub table owner.
2576         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2577         TEXT_SIZE to initialize data member TEXT_SIZE_.
2578         (Arm_exidx_input_section::addralign): Fix typo in comment.
2579         (Arm_exidx_input_section::text_size): New method.
2580         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2581         that require locking objects.  Lock objects before scanning for stubs
2582         and updating local symbols.
2583         (Arm_input_section<big_endian>::init): Copy contents of original
2584         input section.
2585         (Arm_input_section<big_endian>::do_write): Use saved contents of
2586         original input section instead of calling Object::section_contents
2587         without locking.
2588         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2589         size without calling Object::section_size().
2590         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2591         for size.  Allocate a buffer for merged EXIDX entries.
2592         (Arm_exidx_merged_section::build_contents): New method.
2593         (Arm_exidx_merged_section::do_write): Move merge section contents
2594         building code to Arm_exidx_merged_section::build_contetns.  Write
2595         out contetns in buffer instead of building it on the fly.
2596         (Arm_relobj::make_exidx_input_section): Also pass text section size
2597         to Arm_exidx_input_section constructor.
2598         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2599         (Arm_dynobj::do_read_symbols): Fix memory leak.
2600         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2601         * target.h: (class Task): Add forward declaration.
2602         (Target::relax): Add new parameter TASK and pass it to
2603         Target::do_relax().
2604         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2605
2606 2010-11-05  Cary Coutant  <ccoutant@google.com>
2607
2608         PR gold/10708
2609         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2610         object when reading from the file.
2611         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2612         second layout pass.
2613         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2614         when reading section contents.
2615         (get_section_contents): Likewise.
2616         (icf::find_identical_sections): Likewise.
2617         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2618         object when reading from the file.
2619         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2620         the object when doing deferred section layout.
2621
2622 2010-11-03  Nick Clifton  <nickc@redhat.com>
2623
2624         PR gold/12001
2625         * script.h (class Symbol_assignment: name): New member.  Returns
2626         the name of the symbol.
2627         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2628         Returns true if the given symbol name is on the list of
2629         assignments wating to be processed.
2630         * archive.cc (should_incldue_member): If the symbol is undefined,
2631         check to see if it is on the list of symbols pending assignment.
2632
2633 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2634
2635         * script-sections.cc (Script_sections::find_memory_region): Check
2636         for a NULL output section pointer.
2637
2638 2010-10-29  Doug Kwan  <dougkwan@google.com>
2639
2640         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2641         Output_section::add_relaxed_input_section.
2642         * output.cc (Output_section::add_relaxed_input_section): Add new
2643         arguments LAYOUT and NAME.  Set section order index.
2644         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2645         Copy section order index.
2646         * output.h (Output_section::add_relaxed_input_section): Add new
2647         arguments LAYOUT and NAME.
2648
2649 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2650
2651         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2652         NATIVE_OR_CROSS_LINKER.
2653         * testsuite/Makefile.in: Regenerate.
2654
2655 2010-10-20  Doug Kwan  <dougkwan@google.com>
2656
2657         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2658         without SHF_LINK_ORDER flags.
2659         * layout.cc (Layout::choose_output_section): Do not filter
2660         SHF_LINK_ORDER flag in a relocatable link.
2661
2662 2010-10-17  Cary Coutant  <ccoutant@google.com>
2663
2664         * output.h (Output_segment::set_section_addresses): Change function
2665         signature.  Update all callers.
2666         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2667         sections.
2668         (Output_segment::set_section_addresses): Align after last TLS
2669         section.  Add padding before last relro section instead of after.
2670
2671 2010-10-17  Doug Kwan  <dougkwan@google.com>
2672
2673         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2674         GOT output section to be writable.
2675
2676 2010-10-14  Cary Coutant  <ccoutant@google.com>
2677
2678         * debug.h (DEBUG_INCREMENTAL): New flag.
2679         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2680         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2681         mode.
2682         * incremental.cc (report_command_line): Ignore all forms of
2683         --incremental.
2684         * layout.cc (Layout::Layout): Check parameters for incremental link
2685         mode.
2686         * options.cc (General_options::parse_incremental): New function.
2687         (General_options::parse_no_incremental): New function.
2688         (General_options::parse_incremental_full): New function.
2689         (General_options::parse_incremental_update): New function.
2690         (General_options::incremental_mode_): New data member.
2691         (General_options::finalize): Check incremental_mode_.
2692         * options.h (General_options): Update help text for --incremental.
2693         Add --no-incremental, --incremental-full, --incremental-update.
2694         (General_options::Incremental_mode): New enum type.
2695         (General_options::incremental_mode): New function.
2696         (General_options::incremental_mode_): New data member.
2697         * parameters.cc (Parameters::incremental_mode_): New data member.
2698         (Parameters::set_options): Set incremental_mode_.
2699         (Parameters::set_incremental_full): New function.
2700         (Parameters::incremental): New function.
2701         (Parameters::incremental_update): New function.
2702         (set_parameters_incremental_full): New function.
2703         * parameters.h (Parameters::set_incremental_full): New function.
2704         (Parameters::incremental): New function.
2705         (Parameters::incremental_update): New function.
2706         (Parameters::incremental_mode_): New data member.
2707         (set_parameters_incremental_full): New function.
2708         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2709         incremental link mode.
2710         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2711         (Sized_relobj::do_relocate_sections): Likewise.
2712         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2713         option.
2714         * testsuite/Makefile.in: Regenerate.
2715         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2716
2717 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2718
2719         * script-sections.h (class Script_sections): Make
2720         Sections_elements typedef public.
2721         * script-sections.cc (class Sort_output_sections): Add elements_
2722         field.  Add constructor which sets it; change all callers.
2723         (Sort_output_sections::is_before): New function.
2724         (Sort_output_sections::operator()): Call is_before.
2725         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2726         conditional.
2727         * testsuite/script_test_10.sh: New test. Test script section
2728         order.
2729         * testsuite/script_test_10.t: Likewise.
2730         * testsuite/script_test_10.s: Likewise.
2731         * testsuite/Makefile.am: Wrap the cross linker tests and the
2732         common tests into NATIVE_OR_CROSS_LINKER.
2733         (check_SCRIPTS): Add script_test_10.sh.
2734         (check_DATA): Add script_test_10.stdout.
2735         (script_test_10.o, script_test_10): New targets.
2736         (script_test_10.stdout): New target.
2737         * configure, testsuite/Makefile.in: Regenerate.
2738
2739 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2740
2741         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2742         error for the deprecated relocations.
2743         (Target_arm::Scan::global): Likewise.
2744         (Target_arm::Relocate::relocate): Likewise.
2745
2746 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2747
2748         * fileread.cc (Input_file::find_file): Initialize *found_name
2749         and *namep when using the fallback search for case 4.
2750
2751 2010-10-11  Cary Coutant  <ccoutant@google.com>
2752
2753         * options.h (class General_options): Redefine -z lazy as an alias for
2754         the negation of -z now.
2755
2756 2010-10-11  Ian Lance Taylor  <iant@google.com>
2757
2758         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2759         binding.
2760
2761 2010-10-06  Nick Clifton  <nickc@redhat.com>
2762
2763         * script-sections.cc(class Memory_region): Remove
2764         current_lma_offset_ field.  Rename current_vma_offset_ to
2765         current_offset_.  Add last_section_ field.
2766         (Memory_region::get_current_vma_address): Rename to
2767         get_current_address.
2768         (Memory_region::get_current_lma_address): Delete.
2769         (Memory_region::increment_vma_offset): Rename to
2770         increment_offset.
2771         (Memory_region::increment_lma_offset): Delete.
2772         (Memory_region::attributes_compatible): New method.  Returns
2773         true if the provided section is compatible with the region.
2774         (Memory_region::get_last_section): New method.  Returns the last
2775         section to use the region.
2776         (Memory_region::set_last_section): New method.  Stores the last
2777         section to use the region.
2778         (Script_sections::block_in_region): New method.  Returns true if
2779         a block of memory is contained within a region.
2780         (Script_sections::find_memory_region): New method.  Locates a
2781         memory region to be used to set a VMA or LMA address.
2782         (Output_section_definition::set_section_addresses): Add code to
2783         check for addresses set by memory regions.
2784         (Output_segment::set_section_addresses): Remove memory region
2785         walking code.
2786         (Script_sections::create_segment): Add a warning if a header
2787         segment is created outside of any region.
2788         * script-sections.h (class Script_sections): Add prototypes for
2789         find_memory_region and block_in_region methods.
2790         * testsuite/memory_test.s: Use .long instead of .word.
2791         * testsuite/memory_test.t: Add some more output sections.
2792         * testsuite/memory_test.sh: Update expected output.
2793
2794 2010-10-02  Doug Kwan  <dougkwan@google.com>
2795
2796         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2797         defintion to symtab.h
2798         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2799         declaration to defintion.
2800
2801 2010-10-01  Nick Clifton  <nickc@redhat.com>
2802
2803         * expression.cc (eval): Replace dummy argument with NULL.
2804         (eval_maybe_dot): Check for a NULL result section pointer.
2805         (Symbol_expression::value): Likewise.
2806         (Dot_expression::value): Likewise.
2807         (BINARY_EXPRESSION): Likewise.
2808         (Max_expression::value): Likewise.
2809         (Min_expression::value): Likewise.
2810         (Absolute_expression::value): Likewise.
2811         (Addr_expression::value_from_output_section): Likewise.
2812         (Loaddddr_expression::value_from_output_section): Likewise.
2813         (Segment_start_expression::value): Likewise.
2814         * script-sections.cc
2815         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2816         argument with NULL.
2817         (Sections_elememt_dot_assignment::set_section_addresses):
2818         Likewise.
2819         (Output_data_expression::do_write_to_buffer): Likewise.
2820         (Output_section_definition::finalize_symbols): Likewise.
2821         (Output_section_definition::set_section_addresses): Likewise.
2822
2823 2010-09-30  Doug Kwan  <dougkwan@google.com>
2824
2825         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2826
2827 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2828
2829         * target.h (Target::can_icf_inline_merge_sections): New virtual
2830         function.
2831         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2832         virtual function.
2833         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2834         virtual function.
2835         * icf.cc (get_section_contents): Inline merge sections only when
2836         target allows it.
2837
2838 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2839
2840         * configure: Regenerate.
2841
2842 2010-09-17  Ian Lance Taylor  <iant@google.com>
2843
2844         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2845         * testsuite/Makefile.am (memory_test.o): New target.
2846         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2847         memory_test.t.
2848         * testsuite/Makefile.in: Rebuild.
2849
2850 2010-09-17  Doug Kwan  <dougkwan@google.com>
2851
2852         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2853         defintion if relocation uses GOT entries of the symbol.
2854         * testsuite/icf_safe_test.sh: Fix test.
2855         * testsuite/icf_safe_so_test.sh: Fix test.
2856
2857 2010-09-16  Cary Coutant  <ccoutant@google.com>
2858
2859         * script_sections.cc (class Memory_region): Remove "NULL" from
2860         vector initializations.
2861
2862 2010-09-15  Cary Coutant  <ccoutant@google.com>
2863
2864         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2865         Resolve forwarding symbols.
2866
2867 2010-09-15  Doug Kwan  <dougkwan@google.com>
2868
2869         * gold/testsuite/script_test_3.t: Add ARM special sections.
2870         * gold/testsuite/script_test_4.t: Same.
2871         * gold/testsuite/script_test_5.t: Same.
2872         * gold/testsuite/script_test_6.t: Same.
2873         * gold/testsuite/script_test_7.t: Same.
2874         * gold/testsuite/script_test_7.t: Same.
2875         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2876
2877 2010-09-14  Cary Coutant  <ccoutant@google.com>
2878
2879         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2880         (Target_x86_64::Relocate::relocate_tls): Replace check for
2881         saw_tls_block_reloc_ with test for executable section.
2882
2883 2010-09-12  Cary Coutant  <ccoutant@google.com>
2884
2885         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2886         position-independent executables to shared libraries need dynamic
2887         relocations.
2888         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2889         position-independent executables.
2890         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2891         * testsuite/Makefile.in: Regenerate.
2892
2893 2010-09-10  Nick Clifton  <nickc@redhat.com>
2894
2895         PR gold/11997
2896         * testsuite/memory_test.t: Discard any sections that are not
2897         needed.
2898
2899 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2900
2901         PR gold/11996
2902         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2903         "This::" to work around a bug in gcc 4.2.
2904
2905         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2906
2907 2010-09-09  Rafael Espindola  <espindola@google.com>
2908
2909         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2910         sections with different PF_X flags in the same segment.
2911         (Layout::find_first_load_seg): Search all segments to find the first
2912         one.
2913         * options.h (rosegment): New.
2914
2915 2010-09-08  Rafael Espindola  <espindola@google.com>
2916
2917         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2918
2919 2010-09-08  Doug Kwan  <dougkwan@google.com>
2920
2921         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2922         (Arm_relobj::do_relocate_sections): Add new parameter for output
2923         file to match the parent.
2924         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2925         of local symbols instead of input values.  Update code to track
2926         changes in gold::relocate_section.
2927         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2928         (Sized_relobj::compute_final_local_value_internal): New methods.
2929         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2930         body into private version of Sized_relobj::compute_final_local_value.
2931         Call the inline method.
2932         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2933         merged symbol value if there is one.
2934         (Symbol_value::has_output_value): New method defintiion.
2935         (Sized_relobj::Compute_final_local_value_status): New enum type.
2936         (Sized_relobj::compute_final_local_value): New methods.
2937         (Sized_relobj::compute_final_local_value_internal): New methods.
2938         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2939         and arm_cortex_a8.sh.
2940         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2941         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2942         New tests.
2943         * Makefile.in: Regenerate.
2944         * testsuite/arm_bl_out_of_range.s: Update test.
2945         * testsuite/thumb_bl_out_of_range.s: Ditto.
2946         * testsuite/thumb_blx_out_of_range.s: Ditto.
2947         * testsuite/arm_branch_out_of_range.sh: New file.
2948         * testsuite/arm_cortex_a8.sh: Ditto.
2949         * testsuite/arm_cortex_a8_b.s: Ditto.
2950         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2951         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2952         * testsuite/arm_cortex_a8_bl.s: Ditto.
2953         * testsuite/arm_cortex_a8_blx.s: Ditto.
2954         * testsuite/arm_cortex_a8_local.s: Ditto.
2955         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2956         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2957
2958 2010-09-08  Rafael Espindola  <espindola@google.com>
2959
2960         * Makefile.am (memory_test.stdout): Run readelf with -W.
2961         * Makefile.in: Regenerate.
2962         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2963         64 bit output.
2964
2965 2010-09-08  Rafael Espindola  <espindola@google.com>
2966
2967         * script-sections.cc (Script_sections::add_memory_region): Convert
2968         field precision to int.
2969         * script.cc (script_set_section_region, script_set_section_region):
2970         Convert field precision to int.
2971
2972 2010-09-08  Rafael Espindola  <espindola@google.com>
2973
2974         * arm.cc (do_finalize_sections): Create the __exidx_start and
2975         __exdix_end symbols even when the section is missing.
2976
2977 2010-09-08  Nick Clifton  <nickc@redhat.com>
2978
2979         * README: Remove claim that MEMORY is not supported.
2980         * expression.cc (script_exp_function_origin)
2981         (script_exp_function_length): Move from here to ...
2982         * script.cc: ... here.
2983         (script_set_section_region, script_add_memory)
2984         (script_parse_memory_attr, script_include_directive): New
2985         functions.
2986         * script-sections.cc
2987         (class Memory_region): New class.
2988         (class Output_section_definition): Add set_memory_region,
2989         set_section_vma, set_section_lma and get_section_name methods.
2990         (class Script_Sections): Add add_memory_region,
2991         find_memory_region, find_memory_region_origin,
2992         find_memory_region_length and set_memory_region methods.
2993         Have set_section_addresses method walk the list of set memory
2994         regions.
2995         Extend the print methos to display memory regions.
2996         * script-sections.h: Add prototypes for new methods.
2997         Add enum for MEMORY region attributes.
2998         * yyscript.y: Add support for parsing MEMORY regions.
2999         * script-c.h: Add prototypes for new functions.
3000         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3001         * testsuite/Makefile.in: Regenerate.
3002         * testsuite/memory_test.sh: New script.
3003         * testsuite/memory_test.s: New assembler source file.
3004         * testsuite/memory_test.t: New linker script.
3005
3006 2010-08-27  Doug Kwan  <dougkwan@google.com>
3007
3008         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3009         reference override an existing dynamic weak reference.
3010         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3011         * testsuite/Makefile.in: Regenerate.
3012         * testsuite/dyn_weak_ref.sh: New file.
3013         * testsuite/dyn_weak_ref_1.c: Ditto.
3014         * testsuite/dyn_weak_ref_2.c: Ditto.
3015
3016 2010-08-27  Ian Lance Taylor  <iant@google.com>
3017
3018         * incremental.h (class Incremental_input_entry): Add virtual
3019         destructor.
3020
3021 2010-08-27  Ian Lance Taylor  <iant@google.com>
3022
3023         * testsuite/start_lib_test_3.c: Mark t3 as used.
3024
3025 2010-08-27  Nick Clifton  <nickc@redhat.com>
3026
3027         * options.cc (version_script): Fix small typo in previous
3028         whitespace tidyup.
3029
3030 2010-08-25  Nick Clifton  <nickc@redhat.com>
3031
3032         * archive.cc: Formatting fixes: Remove whitespace between
3033         typename and following asterisk.  Remove whitespace between
3034         function name and opening parenthesis.
3035         * archive.h: Likewise.
3036         * arm.cc: Likewise.
3037         * attributes.cc: Likewise.
3038         * attributes.h: Likewise.
3039         * common.cc: Likewise.
3040         * copy-relocs.cc: Likewise.
3041         * dirsearch.h: Likewise.
3042         * dynobj.cc: Likewise.
3043         * ehframe.cc: Likewise.
3044         * ehframe.h: Likewise.
3045         * expression.cc: Likewise.
3046         * fileread.cc: Likewise.
3047         * fileread.h: Likewise.
3048         * gc.h: Likewise.
3049         * gold-threads.cc: Likewise.
3050         * gold.cc: Likewise.
3051         * i386.cc: Likewise.
3052         * icf.h: Likewise.
3053         * incremental-dump.cc: Likewise.
3054         * incremental.cc: Likewise.
3055         * layout.cc: Likewise.
3056         * layout.h: Likewise.
3057         * main.cc: Likewise.
3058         * merge.cc: Likewise.
3059         * merge.h: Likewise.
3060         * object.cc: Likewise.
3061         * object.h: Likewise.
3062         * options.cc: Likewise.
3063         * options.h: Likewise.
3064         * output.cc: Likewise.
3065         * output.h: Likewise.
3066         * plugin.cc: Likewise.
3067         * plugin.h: Likewise.
3068         * powerpc.cc: Likewise.
3069         * reloc.cc: Likewise.
3070         * script-c.h: Likewise.
3071         * script-sections.cc: Likewise.
3072         * script.cc: Likewise.
3073         * stringpool.cc: Likewise.
3074         * symtab.cc: Likewise.
3075         * symtab.h: Likewise.
3076         * target.cc: Likewise.
3077         * timer.cc: Likewise.
3078         * timer.h: Likewise.
3079         * version.cc: Likewise.
3080         * x86_64.cc: Likewise.
3081
3082 2010-08-24  Nick Clifton  <nickc@redhat.com>
3083
3084         PR 11899
3085         * layout.cc (segment_precedes): Sort segments by their physical
3086         addresses, if they have been set.
3087
3088 2010-08-23  Cary Coutant  <ccoutant@google.com>
3089
3090         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3091         symbols data.
3092         (Lib_group::include_member): Unlock object after deleting its
3093         symbols data.
3094         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3095         the bug fixed here.
3096
3097 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3098             Cary Coutant  <ccoutant@google.com>
3099
3100         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3101         constructor, and set_blocker.
3102         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3103         readsyms_blocker_.
3104         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3105         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3106         * testsuite/Makefile.am (start_lib_test): New test case.
3107         * testsuite/Makefile.in: Regenerate.
3108         * testsuite/start_lib_test_main.c: New file.
3109         * testsuite/start_lib_test_1.c: New file.
3110         * testsuite/start_lib_test_2.c: New file.
3111         * testsuite/start_lib_test_3.c: New file.
3112
3113 2010-08-19  Ian Lance Taylor  <iant@google.com>
3114
3115         * Makefile.in: Rebuild with automake 1.11.1.
3116         * aclocal.m4: Likewise.
3117         * testsuite/Makefile.in: Likewise.
3118
3119 2010-08-19  Ian Lance Taylor  <iant@google.com>
3120
3121         PR 10893
3122         * i386.cc (class Output_data_plt_i386): Update declarations.
3123         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3124         local_ifuncs_ fields.
3125         (Target_i386::do_plt_section_for_global): New function.
3126         (Target_i386::do_plt_section_for_local): New function.
3127         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3128         parameter; change all callers.  Initialize global_ifuncs_ and
3129         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3130         __rel_iplt_end.
3131         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3132         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3133         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3134         symbols.
3135         (Target_i386::make_plt_section): New function, broken out of
3136         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3137         (Target_i386::make_plt_entry): Call make_plt_section.
3138         (Target_i386::make_local_ifunc_plt_entry): New function.
3139         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3140         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3141         R_386_IRELATIVE to switch.
3142         (Target_i386::Scan::global): Likewise.
3143         (Target_i386::Relocate::relocate): Likewise.
3144         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3145         switch.
3146         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3147         (Target_x86_64::do_plt_section_for_global): New function.
3148         (Target_x86_64::do_plt_section_for_local): New function.
3149         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3150         parameter; change all callers.  If doing a static link define
3151         __rela_iplt_start and __rela_iplt_end.
3152         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3153         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3154         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3155         to point to .plt.
3156         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3157         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3158         switch.
3159         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3160         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3161         R_X86_64_IRELATIVE to switch.
3162         (Target_x86_64::Scan::global): Likewise.
3163         (Target_x86_64::Relocate::relocate): Likewise.
3164         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3165         switch.
3166         * target.h (class Target): Add plt_section_for_global and
3167         plt_section_for_local functions.  Add do_plt_section_for_global
3168         and do_plt_section_for_local virtual functions.
3169         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3170         clarifying comments.
3171         (Symbol::use_plt_offset): Handle IFUNC symbol.
3172         * object.cc (Sized_relobj::Sized_relobj): Initialize
3173         local_plt_offsets_.
3174         (Sized_relobj::local_has_plt_offset): New function.
3175         (Sized_relobj::local_plt_offset): New function.
3176         (Sized_relobj::set_local_plt_offset): New function.
3177         (Sized_relobj::do_count): Handle IFUNC symbol.
3178         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3179         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3180         is_ifunc_symbol functions.
3181         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3182         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3183         local_plt_offsets_ field.
3184         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3185         * output.h (class Output_section_data): Add non-const
3186         output_section function.
3187         (class Output_data_got): Update declarations.
3188         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3189         Add use_plt_offset parameter to global and local constructors.
3190         Change all callers.  Change local_sym_index_ field to 31 bits.
3191         Change GSYM_CODE and CONSTANT_CODE accordingly.
3192         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3193         doing a static link don't set sh_link field.
3194         (Output_data_got::Got_entry::write): Use PLT offset if
3195         appropriate.
3196         (Output_data_got::add_global_plt): New function.
3197         (Output_data_got::add_local_plt): New function.
3198         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3199         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3200         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3201         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3202         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3203         IFUNC conditional.
3204         * testsuite/ifunc-sel.h: New file.
3205         * testsuite/ifuncmain1.c: New file.
3206         * testsuite/ifuncmain1vis.c: New file.
3207         * testsuite/ifuncmod1.c: New file.
3208         * testsuite/ifuncdep2.c: New file.
3209         * testsuite/ifuncmain2.c: New file.
3210         * testsuite/ifuncmain3.c: New file.
3211         * testsuite/ifuncmod3.c: New file.
3212         * testsuite/ifuncmain4.c: New file.
3213         * testsuite/ifuncmain5.c: New file.
3214         * testsuite/ifuncmod5.c: New file.
3215         * testsuite/ifuncmain6pie.c: New file.
3216         * testsuite/ifuncmod6.c: New file.
3217         * testsuite/ifuncmain7.c: New file.
3218         * configure, testsuite/Makefile.in: Rebuild.
3219
3220 2010-08-18  Ian Lance Taylor  <iant@google.com>
3221
3222         * incremental.cc
3223         (Output_section_incremental_inputs::write_input_files): Add cast
3224         to avoid signed/unsigned comparison warning.
3225         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3226
3227 2010-08-12  Cary Coutant  <ccoutant@google.com>
3228
3229         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3230
3231 2010-08-13  Ian Lance Taylor  <iant@google.com>
3232
3233         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3234
3235 2010-08-12  Cary Coutant  <ccoutant@google.com>
3236             Doug Kwan  <dougkwan@google.com>
3237
3238         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3239         defintion overrides non-weak undef, remember that the original undef
3240         is not weak.
3241         * symtab.cc (Symbol_table::sized_write_global): For undef without
3242         an original weak binding, set binding to global in output.
3243         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3244         * testsuite/Makefile.in: Regenerate.
3245         * testsuite/strong_ref_weak_def.sh: New file.
3246         * testsuite/strong_ref_weak_def_1.c: Ditto.
3247         * testsuite/strong_ref_weak_def_2.c: Ditto.
3248
3249 2010-08-12  Cary Coutant  <ccoutant@google.com>
3250
3251         * testsuite/incremental_test.sh: Rewrite.
3252         * testsuite/incremental_test_1.c: Rewrite.
3253         * testsuite/incremental_test_2.c: Rewrite.
3254
3255 2010-08-12  Cary Coutant  <ccoutant@google.com>
3256
3257         * arm.cc (Target_arm::got_size): Add const.
3258         (Target_arm::got_entry_count): New function.
3259         (Target_arm::plt_entry_count): New function.
3260         (Target_arm::first_plt_entry_offset): New function.
3261         (Target_arm::plt_entry_size): New function.
3262         (Output_data_plt_arm::entry_count): New function.
3263         (Output_data_plt_arm::first_plt_entry_offset): New function.
3264         (Output_data_plt_arm::get_plt_entry_size): New function.
3265         * i386.cc (Target_i386::got_size): Add const.
3266         (Target_i386::got_entry_count): New function.
3267         (Target_i386::plt_entry_count): New function.
3268         (Target_i386::first_plt_entry_offset): New function.
3269         (Target_i386::plt_entry_size): New function.
3270         (Output_data_plt_i386::entry_count): New function.
3271         (Output_data_plt_i386::first_plt_entry_offset): New function.
3272         (Output_data_plt_i386::get_plt_entry_size): New function.
3273         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3274         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3275         * incremental.cc: Include target.h.
3276         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3277         parameter.  Adjust all callers.  Find incremental_got_plt section.
3278         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3279         section.
3280         (Output_section_incremental_inputs::set_final_data_size): Calculate
3281         size of incremental_got_plt section.
3282         (Output_section_incremental_inputs::do_write): Write the
3283         incremental_got_plt section.
3284         (Got_plt_view_info): New struct.
3285         (Local_got_offset_visitor): New class.
3286         (Global_got_offset_visitor): New class.
3287         (Global_symbol_visitor_got_plt): New class.
3288         (Output_section_incremental_inputs::write_got_plt): New function.
3289         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3290         Add parameter.  Adjust all callers.
3291         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3292         (Incremental_inputs::got_plt_section): New function.
3293         (Incremental_inputs::got_plt_section_): New data member.
3294         (Incremental_got_plt_reader): New class.
3295         * layout.cc (Layout::create_incremental_info_sections): Add the
3296         incremental_got_plt section.
3297         * object.h (Got_offset_list::get_list): New function.
3298         (Got offset_list::for_all_got_offsets): New function.
3299         (Sized_relobj::local_got_offset_list): New function.
3300         * powerpc.cc (Target_powerpc::got_size): Add const.
3301         (Target_powerpc::got_entry_count): New function.
3302         (Target_powerpc::plt_entry_count): New function.
3303         (Target_powerpc::first_plt_entry_offset): New function.
3304         (Target_powerpc::plt_entry_size): New function.
3305         (Output_data_plt_powerpc::entry_count): New function.
3306         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3307         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3308         * sparc.cc (Target_sparc::got_size): Add const.
3309         (Target_sparc::got_entry_count): New function.
3310         (Target_sparc::plt_entry_count): New function.
3311         (Target_sparc::first_plt_entry_offset): New function.
3312         (Target_sparc::plt_entry_size): New function.
3313         (Output_data_plt_sparc::entry_count): New function.
3314         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3315         (Output_data_plt_sparc::get_plt_entry_size): New function.
3316         * symtab.h (Symbol::got_offset_list): New function.
3317         (Symbol_table::for_all_symbols): New function.
3318         * target.h (Sized_target::got_entry_count): New function.
3319         (Sized_target::plt_entry_count): New function.
3320         (Sized_target::plt_entry_size): New function.
3321         * x86_64.cc (Target_x86_64::got_size): Add const.
3322         (Target_x86_64::got_entry_count): New function.
3323         (Target_x86_64::plt_entry_count): New function.
3324         (Target_x86_64::first_plt_entry_offset): New function.
3325         (Target_x86_64::plt_entry_size): New function.
3326         (Output_data_plt_x86_64::entry_count): New function.
3327         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3328         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3329
3330 2010-08-12  Cary Coutant  <ccoutant@google.com>
3331
3332         * archive.cc: Include incremental.h.
3333         (Archive::Archive): Initialize incremental_info_.
3334         (Archive::include_member): Record archive members in incremental info.
3335         (Add_archive_symbols::run): Record begin and end of an archive in
3336         incremental info.
3337         (Lib_group::include_member): Record objects in incremental info.
3338         * archive.h (Incremental_archive_entry): Forward declaration.
3339         (Archive::set_incremental_info): New member function.
3340         (Archive::incremental_info): New member function.
3341         (Archive::Unused_symbol_iterator): New class.
3342         (Archive::unused_symbols_begin): New member function.
3343         (Archive::unused_symbols_end): New member function.
3344         (Archive::incremental_info_): New data member.
3345         * incremental-dump.cc (find_input_containing_global): New function.
3346         (dump_incremental_inputs): Dump new incremental info sections.
3347         * incremental.cc: Include symtab.h.
3348         (Output_section_incremental_inputs): New class.
3349         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3350         new incremental info sections.
3351         (Sized_incremental_binary::do_check_inputs): Likewise.
3352         (Incremental_inputs::report_archive): Remove.
3353         (Incremental_inputs::report_archive_begin): New function.
3354         (Incremental_inputs::report_archive_end): New function.
3355         (Incremental_inputs::report_object): New function.
3356         (Incremental_inputs::finalize_inputs): Remove.
3357         (Incremental_inputs::report_input_section): New function.
3358         (Incremental_inputs::report_script): Rewrite.
3359         (Incremental_inputs::finalize): Do nothing but finalize string table.
3360         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3361         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3362         (Incremental_inputs::create_data_sections): New function.
3363         (Incremental_inputs::relocs_entsize): New function.
3364         (Output_section_incremental_inputs::set_final_data_size): New function.
3365         (Output_section_incremental_inputs::do_write): New function.
3366         (Output_section_incremental_inputs::write_header): New function.
3367         (Output_section_incremental_inputs::write_input_files): New function.
3368         (Output_section_incremental_inputs::write_info_blocks): New function.
3369         (Output_section_incremental_inputs::write_symtab): New function.
3370         * incremental.h (Incremental_script_entry): Forward declaration.
3371         (Incremental_object_entry): Forward declaration.
3372         (Incremental_archive_entry): Forward declaration.
3373         (Incremental_inputs): Forward declaration.
3374         (Incremental_inputs_header_data): Remove.
3375         (Incremental_inputs_header): Remove.
3376         (Incremental_inputs_header_write): Remove.
3377         (Incremental_inputs_entry_data): Remove.
3378         (Incremental_inputs_entry): Remove.
3379         (Incremental_inputs_entry_write): Remove.
3380         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3381         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3382         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3383         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3384         Likewise.
3385         (Incremental_input_entry): New class.
3386         (Incremental_script_entry): New class.
3387         (Incremental_object_entry): New class.
3388         (Incremental_archive_entry): New class.
3389         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3390         (Incremental_inputs::report_inputs): Remove.
3391         (Incremental_inputs::report_archive): Remove.
3392         (Incremental_inputs::report_archive_begin): New function.
3393         (Incremental_inputs::report_archive_end): New function.
3394         (Incremental_inputs::report_object): Change prototype.
3395         (Incremental_inputs::report_input_section): New function.
3396         (Incremental_inputs::report_script): Change prototype.
3397         (Incremental_inputs::get_reloc_count): New function.
3398         (Incremental_inputs::set_reloc_count): New function.
3399         (Incremental_inputs::create_data_sections): New function.
3400         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3401         (Incremental_inputs::inputs_section): New function.
3402         (Incremental_inputs::symtab_section): New function.
3403         (Incremental_inputs::relocs_section): New function.
3404         (Incremental_inputs::get_stringpool): Add const.
3405         (Incremental_inputs::command_line): Add const.
3406         (Incremental_inputs::inputs): Remove.
3407         (Incremental_inputs::command_line_key): New function.
3408         (Incremental_inputs::input_file_count): New function.
3409         (Incremental_inputs::input_files): New function.
3410         (Incremental_inputs::relocs_entsize): New function.
3411         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3412         (Incremental_inputs::finalize_inputs): Remove.
3413         (Incremental_inputs::Input_info): Remove.
3414         (Incremental_inputs::lock_): Remove.
3415         (Incremental_inputs::inputs_): Change type.
3416         (Incremental_inputs::inputs_map_): Remove.
3417         (Incremental_inputs::current_object_entry_): New data member.
3418         (Incremental_inputs::inputs_section_): New data member.
3419         (Incremental_inputs::symtab_section_): New data member.
3420         (Incremental_inputs::relocs_section_): New data member.
3421         (Incremental_inputs::reloc_count_): New data member.
3422         (Incremental_inputs_reader): New class.
3423         (Incremental_symtab_reader): New class.
3424         (Incremental_relocs_reader): New class.
3425         * layout.cc (Layout::finalize): Move finalization of incremental info
3426         and creation of incremental info sections to follow finalization of
3427         symbol table.  Set offsets for postprocessing sections.
3428         (Layout::create_incremental_info_sections): Call
3429         Incremental_inputs::create_data_sections.  Add incremental symtab
3430         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3431         sections to layout after input sections.
3432         * layout.h (struct Timespec): Forward declaration.
3433         (Layout::incremental_inputs): Add const.
3434         (Layout::create_incremental_info_sections): Add parameter.
3435         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3436         * object.cc: Include incremental.h.
3437         (Relobj::finalize_incremental_relocs): New function.
3438         (Sized_relobj::do_layout): Record input sections in incremental info.
3439         * object.h (Object::output_section): New function.
3440         (Object::output_section_offset): Moved from Relobj.
3441         (Object::get_incremental_reloc_base): New function.
3442         (Object::get_incremental_reloc_count): New function.
3443         (Object::do_output_section): New function.
3444         (Object::do_output_section_offset): Moved from Relobj.
3445         (Object::do_get_incremental_reloc_base): New function.
3446         (Object::do_get_incremental_reloc_count): New function.
3447         (Object::Object): Initialize new data members.
3448         (Relobj::output_section): Renamed do_output_section and moved to
3449         protected.
3450         (Relobj::output_section_offset): Moved to Object.
3451         (Relobj::do_get_incremental_reloc_base): New function.
3452         (Relobj::do_get_incremental_reloc_count): New function.
3453         (Relobj::allocate_incremental_reloc_counts): New function.
3454         (Relobj::count_incremental_reloc): New function.
3455         (Relobj::finalize_incremental_relocs): New function.
3456         (Relobj::next_incremental_reloc_index): New function.
3457         (Relobj::reloc_counts_): New data member.
3458         (Relobj::reloc_bases_): New data member.
3459         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3460         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3461         (Sized_relobj::incremental_relocs_scan): New function.
3462         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3463         (Sized_relobj::incremental_relocs_write): New function.
3464         (Sized_relobj::incremental_relocs_write_reltype): New function.
3465         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3466         incremental link.
3467         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3468         archives and object files elsewhere.
3469         (Add_symbols::run): Report object files here.
3470         (Finish_group::run): Report end of archive at end of group.
3471         * reloc.cc: Include layout.h, incremental.h.
3472         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3473         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3474         (Sized_relobj::incremental_relocs_scan): New function.
3475         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3476         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3477         (Sized_relobj::incremental_relocs_write): New function.
3478         (Sized_relobj::incremental_relocs_write_reltype): New function.
3479         * script.cc (read_input_script): Rewrite test for incremental link.
3480         Change call to Incremental_inputs::report_script.
3481         * symtab.h (Symbol_table::first_global_index): New function.
3482         (Symbol_table::output_count): New function.
3483
3484 2010-08-12  Doug Kwan  <dougkwan@google.com>
3485
3486         * arm.cc (Target_arm::merge_object_attributes): Check command line
3487         options --no-wchar-size-warning and --no-enum-size-warning.
3488         * options.h (General_options): Add ld-compatible options
3489         --no-enum-size-warning and --no-wchar-size-warning.
3490
3491 2010-08-04  Ian Lance Taylor  <iant@google.com>
3492
3493         * x86_64.cc (Target_x86_64::Scan::local): Use
3494         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3495         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3496         (Target_x86_64::Scan::global): Likewise.
3497         (Target_x86_64::Relocate::relocate): Likewise.
3498         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3499         Likewise.
3500
3501 2010-08-03  Cary Coutant  <ccoutant@google.com>
3502
3503         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3504         to reserve space in merged_strings vector. Keep total input size
3505         for stats.
3506         (Output_merge_string::do_print_merge_stats): Print total input size.
3507         * merge.h (Output_merge_string): Add input_size_ field.
3508         * stringpool.cc (Stringpool_template::string_length): Move
3509         implementations out of Stringpool_template class and place in
3510         stringpool.h.
3511         * stringpool.h (string_length): Move out of Stringpool_template.
3512
3513 2010-08-03  Ian Lance Taylor  <iant@google.com>
3514
3515         PR 11712
3516         * layout.cc (relaxation_loop_body): If address of load segment is
3517         set, adjust address to include headers if possible.
3518
3519 2010-08-03  Ian Lance Taylor  <iant@google.com>
3520
3521         * version.cc (version_string): Bump to 1.10.
3522
3523 2010-08-03  Ian Lance Taylor  <iant@google.com>
3524
3525         PR 11805
3526         * layout.h (enum Output_section_order): Define.
3527         (class Layout): Update declarations.
3528         * layout.cc (Layout::get_output_section): Add order parameter.
3529         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3530         is_first_non_relro parameters.  Change all callers.
3531         (Layout::choose_output_section): Likewise.
3532         (Layout::add_output_section_data): Likewise.
3533         (Layout::make_output_section): Likewise.  Set order.
3534         (Layout::default_section_order): New function.
3535         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3536         * output.cc (Output_section::Output_section): Initialize order_.
3537         Don't initialize deleted fields.
3538         (Output_segment::Output_segment): Don't initialize deleted
3539         fields.
3540         (Output_segment::add_output_section_to_load): New function
3541         replacing add_output_section.  Change all callers to call this or
3542         add_output_section_to_nonload.
3543         (Output_segment::add_output_section_to_nonload): New function.
3544         (Output_segment::remove_output_section): Rewrite.
3545         (Output_segment::add_initial_output_data): Likewise.
3546         (Output_segment::has_any_data_sections): Likewise.
3547         (Output_segment::is_first_section_relro): Likewise.
3548         (Output_segment::maximum_alignment): Likewise.
3549         (Output_segment::has_dynamic_reloc): New function replacing
3550         dynamic_reloc_count.  Change all callers.
3551         (Output_segment::has_dynamic_reloc_list): New function replacing
3552         dynamic_reloc_count_list.  Change all callers.
3553         (Output_segment::set_section_addresses): Rewrite.
3554         (Output_segment::set_offset): Rewrite.
3555         (Output_segment::find_first_and_last_list): Remove.
3556         (Output_segment::set_tls_offsets): Rewrite.
3557         (Output_segment::first_section_load_address): Likewise.
3558         (Output_segment::output_section_count): Likewise.
3559         (Output_segment::section_with_lowest_load_address): Likewise.
3560         (Output_segment::write_section_headers): Likewise.
3561         (Output_segment::print_sections_to_map): Likewise.
3562         * output.h (class Output_data): Remove dynamic_reloc_count_
3563         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3564         (Output_data::add_dynamic_reloc): Rewrite.
3565         (Output_data::has_dynamic_reloc): New function.
3566         (Output_data::dynamic_reloc_count): Remove.
3567         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3568         is_last_relro_, is_first_non_relro_, is_interp_,
3569         is_dynamic_linker_section_ fields.  Add order and set_order
3570         functions.  Remove is_relro_local, set_is_relro_local,
3571         is_last_relro, set_is_last_relro, is_first_non_relro,
3572         set_is_first_non_relro functions, is_interp, set_is_interp,
3573         is_dynamic_linker_section, and set_is_dynamic_linker_section
3574         functions.
3575         (class Output_segment): Change Output_data_list from std::list to
3576         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3577         output_bss_ fields.  Update declarations.
3578
3579 2010-08-02  Ian Lance Taylor  <iant@google.com>
3580
3581         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3582         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3583         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3584
3585 2010-08-02  Ian Lance Taylor  <iant@google.com>
3586
3587         PR 11855
3588         * script.cc (Script_options::Script_options): Initialize
3589         symbol_definitions_ and symbol_references_.
3590         (Script_options::add_symbol_assignment): Update
3591         symbol_definitions_ and symbol_references_.
3592         (Script_options::add_symbol_reference): New function.
3593         (script_symbol): New function.
3594         * script.h (class Script_options): Add symbol_definitions_ and
3595         symbol_references_ fields.
3596         (Script_options::referenced_const_iterator): New type.
3597         (Script_options::referenced_begin): New function.
3598         (Script_options::referenced_end): New function.
3599         (Script_options::is_referenced): New function.
3600         (Script_options::any_unreferenced): New function.
3601         * script-c.h (script_symbol): Declare.
3602         * yyscript.y (exp): Call script_symbol.
3603         * symtab.cc: Include "script.h".
3604         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3605         Change all callers.  Check symbols referenced by scripts.
3606         (Symbol_table::add_undefined_symbols_from_command_line): Add
3607         layout parameter.  Change all callers.
3608         (Symbol_table::do_add_undefined_symbols_from_command_line):
3609         Likewise.  Break out loop body.  Check symbols referenced by
3610         scripts.
3611         (Symbol_table::add_undefined_symbol_from_command_line): New
3612         function broken out of
3613         do_add_undefined_symbols_from_command_line.
3614         * symtab.h (class Symbol_table): Update declarations.
3615         * archive.cc: Include "layout.h".
3616         (Archive::should_include_member): Add layout parameter.  Change
3617         all callers.  Check for symbol mentioned in expression.
3618         * archive.h (class Archive): Update declaration.
3619         * object.cc (Sized_relobj::do_should_include_member): Add layout
3620         parameter.
3621         * object.h (Object::should_include_member): Add layout parameter.
3622         Change all callers.
3623         (Object::do_should_include_member): Add layout parameter.
3624         (class Sized_relobj): Update declaration.
3625         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3626         parameter.
3627         * dynobj.h (class Sized_dynobj): Update declaration.
3628         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3629         layout parameter.
3630         * plugin.h (class Sized_pluginobj): Update declaration.
3631
3632 2010-08-02  Ian Lance Taylor  <iant@google.com>
3633
3634         PR 11866
3635         * output.cc (Output_segment::set_offset): Search for the first and
3636         last sections rather than assuming that the list is in order.
3637         (Output_segment::find_first_and_last_list): New function.
3638         * output.h (class Output_segment): Update declarations.
3639         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3640         (relro_strip_test_SOURCES): New variable.
3641         (relro_strip_test_DEPENDENCIES): New variable.
3642         (relro_strip_test_LDFLAGS): New variable.
3643         (relro_strip_test_LDADD): New variable.
3644         (relro_strip_test.so): New target.
3645
3646 2010-08-02  Ian Lance Taylor  <iant@google.com>
3647
3648         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3649         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3650         (Target_i386::got_tlsdesc_section): New function.
3651         (Target_i386::got_section): Create space for GOT entries for
3652         TLSDESC relocations.
3653         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3654         R_386_TLS_GOTDESC.
3655         (Target_i386::Scan::global): Likewise.
3656         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3657         using TLSDESC GOT.
3658         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3659         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3660         (Target_x86_64::got_tlsdesc_section): New function.
3661         (Target_x86_64::got_section): Create space for GOT entries for
3662         TLSDESC relocations.
3663         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3664         R_386_TLS_GOTDESC.
3665         (Target_x86_64::Scan::global): Likewise.
3666         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3667         using TLSDESC GOT.
3668
3669 2010-08-02  Ian Lance Taylor  <iant@google.com>
3670
3671         * testsuite/final_layout.sh: Use dc to convert from hex to
3672         decimal.
3673
3674 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3675
3676         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3677         paramter to the call to gold::gc_process_relocs.
3678         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3679         paramter to the call to gold::gc_process_relocs.
3680         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3681         parameter to the call to gold::gc_process_relocs.
3682         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3683         template parameter to the call to gold::gc_process_relocs.
3684         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3685         paramter to the call to gold::gc_process_relocs.
3686         * gc.h (get_embedded_addend_size): New function.
3687         (gc_process_relocs): Save the size of the reloc for use by ICF.
3688         * icf.cc (get_section_contents): Get the addend from the text section
3689         for SHT_REL relocation sections.
3690         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3691         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3692         * int_encoding.h (read_from_pointer): New overloaded function.
3693         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3694         * testsuite/icf_sht_rel_addend_test.sh: New file.
3695         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3696         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3697
3698 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3699
3700         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3701         * Makefile.in: Regenerate.
3702         * testsuite/Makefile.in: Regenerate.
3703
3704 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3705
3706         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3707         * gold/testsuite/debug_msg.cc: Likewise.
3708         * gold/testsuite/odr_violation1.cc
3709         * gold/testsuite/odr_violation2.cc
3710
3711 2010-07-21  Cary Coutant  <ccoutant@google.com>
3712
3713         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3714         string, and length fields.
3715         (Output_merge_string::Merged_strings_list): New type.
3716         (Output_merge_string::Merged_strings_lists): New typedef.
3717         (Output_merge_string): Replace merged_strings_ with
3718         merged_strings_lists_.
3719         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3720         Merged_strings_list per input object and section.  Don't store pointer
3721         to the string.  Don't store length with each merged string entry.
3722         (Output_merge_string::finalize_merged_data): Loop over list of merged
3723         strings lists.  Recompute length of each merged string.
3724
3725 2010-07-15  Cary Coutant  <ccoutant@google.com>
3726
3727         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3728         here.
3729
3730 2010-07-14  Ian Lance Taylor  <iant@google.com>
3731
3732         * descriptors.cc (Descriptors::open): Report correct name in error
3733         message.
3734
3735 2010-07-13  Doug Kwan  <dougkwan@google.com>
3736
3737         * arm.cc (Arm_input_section::Arm_input_section): For a
3738         SHT_ARM_EXIDX section, always keeps the input sections.
3739         (Arm_input_section::set_exidx_section_link): New method.
3740         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3741         has_errors_ to false.
3742         (Arm_exidx_input_section::has_errors,
3743         Arm_exidx_input_section::set_has_errors): New methods.
3744         (Arm_exidx_input_section::has_errors_): New data member.
3745         (Arm_relobj::get_exidx_shndx_list): New method.
3746         (Arm_output_section::append_text_sections_to_list): Do not skip
3747         section without SHF_EXECINSTR.
3748         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3749         errors.
3750         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3751         section header.  Make error messages more verbose.  Check for
3752         a non-executable section linked to an EXIDX section.
3753         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3754         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3755         check that there is no deferred EXIDX section if we exit early.
3756         Instead of not making an EXIDX section in case of an error, make one
3757         and set the has_errors flag of it.
3758         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3759         in a relocatable link.
3760         (Target_arm::do_relax): Look for the EXIDX output section instead of
3761         assuming that it is called .ARM.exidx.
3762         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3763         section list.  Do not check for SHF_EXECINSTR section flags but
3764         skip any input section with errors.
3765         * output.cc (Output_section::Output_section): Initialize
3766         always_keeps_input_sections_ to false.
3767         (Output_section::add_input_section): Check for
3768         always_keeps_input_sections_.
3769         *  output.h (Output_section::always_keeps_input_sections,
3770         Output_section::set_always_keeps_input_sections): New methods.
3771         (Output_section::always_keeps_input_sections): New data member.
3772
3773 2010-07-13  Rafael Espindola  <espindola@google.com>
3774
3775         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3776         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3777
3778 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3779             Ian Lance Taylor  <iant@google.com>
3780
3781         * output.h (Output_section_lookup_maps::add_merge_section):
3782         Correct check of whether value was inserted.
3783         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3784         (Output_section_lookup_maps::add_relaxed_input_section):
3785         Likewise.
3786         * arm.cc (Target_arm::got_section): Remove used local os.
3787         * i386.cc (Target_i386::got_section): Likewise.
3788         * x86_64.cc (Target_x86_64::got_section): Likewise.
3789         * sparc.cc (Target_sparc::got_section): Likewise.
3790         (Target_sparc::relocate): Remove unused local have_got_offset.
3791         * powerpc.cc (Target_powerpc::relocate): Likewise.
3792
3793 2010-07-13  Ian Lance Taylor  <iant@google.com>
3794
3795         * compressed_output.cc (zlib_decompress): Fix signature in
3796         !HAVE_ZLIB_H case.
3797
3798         * archive.cc (Archive::include_member): Unlock an external member
3799         of a thin archive.  Don't bother to delete an object we know is
3800         NULL.
3801
3802 2010-07-12  Cary Coutant  <ccoutant@google.com>
3803
3804         * compressed_output.cc (zlib_decompress): New function.
3805         (get_uncompressed_size): New function.
3806         (decompress_input_section): New function.
3807         * compressed_output.h (get_uncompressed_size): New function.
3808         (decompress_input_section): New function.
3809         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3810         Handle compressed debug sections.
3811         * layout.cc (is_compressed_debug_section): New function.
3812         (Layout::output_section_name): Map compressed section names to
3813         canonical names.
3814         * layout.h (is_compressed_debug_section): New function.
3815         (is_debug_info_section): Recognize compressed debug sections.
3816         * merge.cc: Include compressed_output.h.
3817         (Output_merge_data::do_add_input_section): Handle compressed
3818         debug sections.
3819         (Output_merge_string::do_add_input_section): Handle compressed
3820         debug sections.
3821         * object.cc: Include compressed_output.h.
3822         (Sized_relobj::Sized_relobj): Initialize new data members.
3823         (build_compressed_section_map): New function.
3824         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3825         * object.h (Object::section_is_compressed): New method.
3826         (Object::do_section_is_compressed): New method.
3827         (Sized_relobj::Compressed_section_map): New type.
3828         (Sized_relobj::do_section_is_compressed): New method.
3829         (Sized_relobj::compressed_sections_): New data member.
3830         * output.cc (Output_section::add_input_section): Handle compressed
3831         debug sections.
3832         * reloc.cc: Include compressed_output.h.
3833         (Sized_relobj::write_sections): Handle compressed debug sections.
3834
3835 2010-07-08  Cary Coutant  <ccoutant@google.com>
3836
3837         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3838         weak when resolving to a dynamic def.
3839         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3840         for weak undef/dynamic def cases. Adjust callers.
3841         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3842         undef_binding_weak_.
3843         (Symbol_table::sized_write_globals): Adjust symbol binding.
3844         (Symbol_table::sized_write_symbol): Add binding parameter.
3845         * symtab.h (Symbol::set_undef_binding): New method.
3846         (Symbol::is_undef_binding_weak): New method.
3847         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3848         (Symbol_table::should_override): Add new parameter.
3849         (Symbol_table::sized_write_symbol): Add new parameter.
3850
3851         * testsuite/weak_undef_file1.cc: Add new test case.
3852         * testsuite/weak_undef_file2.cc: Fix header comment.
3853         * testsuite/weak_undef_test.cc: Add new test case.
3854
3855 2010-06-29  Doug Kwan  <dougkwan@google.com>
3856
3857         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3858         Initialize USE_SYMBOL_.
3859         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3860         definition.
3861         (Arm_reloc_property::uses_symbol_): New data member declaration.
3862         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3863         uses symbol value and symbol is undefined but not weakly undefined.
3864
3865 2010-06-28  Rafael Espindola  <espindola@google.com>
3866
3867         * plugin.cc (Plugin::load): Use dlerror.
3868
3869 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3870
3871         * symtab.cc (detect_odr_violations): When reporting an ODR
3872         violation, report an object where the symbol is defined.
3873
3874 2010-06-25  Doug Kwan  <dougkwan@google.com>
3875
3876         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3877         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3878         definition.
3879         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3880         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3881         target hook to detect function points.
3882         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3883         * icf.h (Icf::check_section_for_function_pointers): Change type of
3884         parameter SECTION_NAME to const reference to std::string.  Use
3885         target hook to determine if section may have unsafe pointers.
3886         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3887         method definition.
3888
3889 2010-06-21  Rafael Espindola  <espindola@google.com>
3890
3891         * fileread.cc (Input_file::find_fie): New
3892         (Input_file::open): Use Input_file::find_fie.
3893         * fileread.h (Input_file::find_fie): New
3894         * plugin.cc (set_extra_library_path): New.
3895         (Plugin::load): Add set_extra_library_path to the transfer vector.
3896         (Plugin_manager::set_extra_library_path): New.
3897         (Plugin_manager::add_input_file): Use the extra search path if set.
3898         (set_extra_library_path(): New.
3899         * plugin.h (Plugin_manager): Add set_extra_library_path and
3900         extra_search_path_.
3901
3902 2010-06-19  Cary Coutant  <ccoutant@google.com>
3903
3904         * layout.cc (gdb_sections): Add .debug_types.
3905         (lines_only_debug_sections): Likewise.
3906
3907 2010-06-18  Rafael Espindola  <espindola@google.com>
3908
3909         * plugin.cc (add_input_file,add_input_library)
3910         (Plugin_manager::add_input_file): Make filename arguments const.
3911         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3912         const.
3913
3914 2010-06-16  Doug Kwan  <dougkwan@google.com>
3915
3916         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3917         .ARM.attributes section if we have not merged any input
3918         attributes sections.
3919
3920 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3921
3922         * arm.cc: Allow combining objects with no EABI version
3923         information.
3924
3925 2010-06-15  Rafael Espindola  <espindola@google.com>
3926
3927         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3928
3929 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3930
3931         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3932         (struct iovec): Correct !HAVE_READV definition.
3933
3934 2010-06-10  Cary Coutant  <ccoutant@google.com>
3935
3936         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3937         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3938         reloc sections.
3939         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3940
3941         PR 11683
3942         * symtab.h (Symbol::is_placeholder): New member function.
3943         * target-reloc.h (relocate_section): Check for placeholder symbols.
3944
3945         * testsuite/Makefile.am (plugin_test_8): New test.
3946         (plugin_test_9): New test.
3947         * testsuite/Makefile.in: Regenerate.
3948
3949 2010-06-09  Nick Clifton  <nickc@redhat.com>
3950
3951         * yyscript.y (input_list_element): Allow strings prefixed with
3952         the '-' character.  Treat these as libraries.
3953         * script.cc (script_add_library): New function.  Adds a library
3954         specified by "-l<name>" found in an input script.
3955         * script-c.h: Add prototype for script_add_library.
3956
3957 2010-06-07  Doug Kwan  <dougkwan@google.com>
3958
3959         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3960         Restrict stub-group size to be within long conditional branch
3961         range when working around cortex-A8 erratum.
3962
3963 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3964
3965         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3966         #ifdef typo.
3967
3968 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3969
3970         PR gold/11658
3971         * output.cc
3972         (Output_section::Input_section_sort_entry::compare_section_ordering):
3973         Change to return non-zero correctly.
3974         (Output_section::Input_section_sort_section_order_index_compare
3975         ::operator()): Change to fix ambiguity in comparisons.
3976
3977 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3978
3979         * gold.h (is_wildcard_string): New function.
3980         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3981         (Layout::layout_eh_frame): Ditto.
3982         (Layout::find_section_order_index): New method.
3983         (Layout::read_layout_from_file): New method.
3984         * layout.h (Layout::find_section_order_index): New method.
3985         (Layout::read_layout_from_file): New method.
3986         (Layout::input_section_position_): New private member.
3987         (Layout::input_section_glob_): New private member.
3988         * main.cc (main): Call read_layout_from_file here.
3989         * options.h (--section-ordering-file): New option.
3990         * output.cc (Output_section::input_section_order_specified_): New
3991         member.
3992         (Output_section::Output_section): Initialize new member.
3993         (Output_section::add_input_section): Add new parameter.
3994         Keep input sections when --section-ordering-file is used.
3995         (Output_section::set_final_data_size): Sort input sections when
3996         section ordering file is specified.
3997         (Output_section::Input_section_sort_entry): Add new parameter.
3998         Check sorting type.
3999         (Output_section::Input_section_sort_entry::compare_section_ordering):
4000         New method.
4001         (Output_section::Input_section_sort_compare::operator()): Change to
4002         consider section_order_index.
4003         (Output_section::Input_section_sort_init_fini_compare::operator()):
4004         Change to consider section_order_index.
4005         (Output_section::Input_section_sort_section_order_index_compare
4006         ::operator()): New method.
4007         (Output_section::sort_attached_input_sections): Change to sort
4008         according to section order when specified.
4009         (Output_section::add_input_section<32, true>): Add new parameter.
4010         (Output_section::add_input_section<64, true>): Add new parameter.
4011         (Output_section::add_input_section<32, false>): Add new parameter.
4012         (Output_section::add_input_section<64, false>): Add new parameter.
4013         * output.h (Output_section::add_input_section): Add new parameter.
4014         (Output_section::input_section_order_specified): New
4015         method.
4016         (Output_section::set_input_section_order_specified): New method.
4017         (Input_section::Input_section): Initialize section_order_index_.
4018         (Input_section::section_order_index): New method.
4019         (Input_section::set_section_order_index): New method.
4020         (Input_section::section_order_index_): New member.
4021         (Input_section::Input_section_sort_section_order_index_compare): New
4022         struct.
4023         (Output_section::input_section_order_specified_): New member.
4024         * script-sections.cc (is_wildcard_string): Delete and move modified
4025         method to gold.h.
4026         (Output_section_element_input::Output_section_element_input): Modify
4027         call to is_wildcard_string.
4028         (Output_section_element_input::Input_section_pattern
4029         ::Input_section_pattern): Ditto.
4030         (Output_section_element_input::Output_section_element_input): Ditto.
4031         * testsuite/Makefile.am (final_layout): New test case.
4032         * testsuite/Makefile.in: Regenerate.
4033         * testsuite/final_layout.cc: New file.
4034         * testsuite/final_layout.sh: New file.
4035
4036 2010-06-01  Rafael Espindola  <espindola@google.com>
4037
4038         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4039
4040 2010-06-01  Rafael Espindola  <espindola@google.com>
4041
4042         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4043         visibility of symbols.
4044
4045 2010-05-27  Doug Kwan  <dougkwan@google.com>
4046
4047         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4048         from start of output section instead of address for a local symbol
4049         in a merged or relaxed section when doing a relocatable link.
4050
4051 2010-05-26  Rafael Espindola  <espindola@google.com>
4052
4053        PR 11604
4054         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4055         adding sections the garbage collector removed.
4056         * gold/testsuite/Makefile.am: Add test.
4057         * gold/testsuite/Makefile.in: Regenerate.
4058         * gold/testsuite/plugin_test_7.sh: New.
4059         * gold/testsuite/plugin_test_7_1.c: New.
4060         * gold/testsuite/plugin_test_7_2.c: New.
4061
4062 2010-05-26  Rafael Espindola  <espindola@google.com>
4063
4064         * script-sections.cc (Output_section_definition::set_section_addresses):
4065         Check for --section-start.
4066
4067 2010-05-26  Doug Kwan  <dougkwan@google.com>
4068
4069         * arm.cc (Arm_scan_relocatable_relocs): New class.
4070         (Target_arm::relocate_special_relocatable): New method.
4071         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4072         (Arm_relocate_functions::thumb_branch_common): Same.
4073         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4074         instead of Default_scan_relocatable_relocs.
4075         * target-reloc.h (relocate_for_relocatable): Let target handle
4076         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4077         * target.h (Sized_target::relocate_special_relocatable): New method.
4078
4079 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4080
4081         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4082
4083 2010-05-23  Doug Kwan  <dougkwan@google.com>
4084
4085         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4086         instead of a cast.
4087         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4088         with a direct branch, not a conditional branch, to a stub.
4089         * merge.cc (Output_merge_base::record_input_section): New method
4090         defintion.
4091         (Output_merge_data::do_add_input_section): Record input section if
4092         keeps-input-sections flag is set.
4093         (Output_merge_string::do_add_input_section): Ditto.
4094         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4095         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4096         INPUT_SECTIONS_.
4097         (Output_merge_base::keeps_input_sections,
4098         Output_merge_base::set_keeps_input_sections,
4099         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4100         method definitions.
4101         (Output_merge_base::Input_sections): New type declaration.
4102         (Output_merge_base::input_sections_begin,
4103         Output_merge_base::input_sections_end,
4104         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4105         (Output_merge_base::bool keeps_input_sections_,
4106         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4107         Output_merge_base::input_sections_): New data members.
4108         (Output_merge_data::do_set_keeps_input_sections): New method
4109         defintion.
4110         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4111         * output.cc (Output_section::Input_section::relobj): Move method
4112         defintion from class declaration to here and handle merge sections.
4113         (Output_section::Input_section::shndx): Ditto.
4114         (Output_section::Output_section): Remove initializations of removed
4115         data members and initialize new data member LOOKUP_MAPS_.
4116         (Output_section::add_input_section): Set keeps-input-sections flag
4117         for a newly created merge output section as appropriate.  Adjust code
4118         to use Output_section_lookup_maps class.
4119         (Output_section::add_relaxed_input_section): Adjst code for lookup
4120         maps code refactoring.
4121         (Output_section::add_merge_input_section): Add a new parameter
4122         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4123         class.  If adding input section to a newly created merge output
4124         section fails, remove the new merge section.
4125         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4126         Adjust code for use of the Output_section_lookup_maps class.
4127         (Output_section::find_merge_section): Ditto.
4128         (Output_section::build_lookup_maps): New method defintion.
4129         (Output_section::find_relaxed_input_section): Adjust code to use
4130         Output_section_lookup_maps class.
4131         (Output_section::get_input_sections): Export merge sections.  Adjust
4132         code to use Output_section_lookup_maps class.
4133         (Output_section:::add_script_input_section): Adjust code to use
4134         Output_section_lookup_maps class.  Update lookup maps for merge
4135         sections also.
4136         (Output_section::discard_states): Use Output_section_lookup_maps.
4137         (Output_section::restore_states): Same.
4138         * output.h (Merge_section_properties): Move class defintion out of
4139         Output_section.
4140         (Output_section_lookup_maps): New class.
4141         (Output_section::Input_section::is_merge_section): New method
4142         defintion.
4143         (Output_section::Input_section::relobj): Move defintion out of class
4144         defintion.  Declare method only.
4145         (Output_section::Input_section::shndx): Ditto.
4146         (Output_section::Input_section::output_merge_base): New method defintion.
4147         (Output_section::Input_section::u2_.pomb): New union field.
4148         (Output_section::Merge_section_by_properties_map,
4149         Output_section::Output_section_data_by_input_section_map,
4150         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4151         Remove types.
4152         (Output_section::add_merge_input_section): Add new parameter
4153         KEEPS_INPUT_SECTIONS.
4154         (Output_section::build_lookup_maps): New method declaration.
4155         (Output_section::merge_section_map_,
4156         Output_section::merge_section_by_properties_map_,
4157         Output_section::relaxed_input_section_map_,
4158         Output_section::is_relaxed_input_section_map_valid_): Remove data
4159         members.
4160         (Output_section::lookup_maps_): New data member.
4161
4162 2010-05-21  Doug Kwan  <dougkwan@google.com>
4163
4164         PR gold/11619
4165         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4166         avoid a compilation error.
4167
4168 2010-05-19  Rafael Espindola  <espindola@google.com>
4169
4170         * script-sections.cc (Output_section_definition::allocate_to_segment):
4171         Update the phdrs_list even when the output section is NULL.
4172         * testsuite/Makefile.am: Add test.
4173         * testsuite/Makefile.in: Regenerate.
4174         * testsuite/script_test_9.cc: New.
4175         * testsuite/script_test_9.sh: New.
4176         * testsuite/script_test_9.t: New.
4177
4178 2010-05-19  Doug Kwan  <dougkwan@google.com>
4179
4180         * arm.cc (Arm_input_section::original_size): New method.
4181         (Arm_input_section::do_addralign): Add a cast.
4182         (Arm_input_section::do_output_offset): Remove static cast.
4183         (Arm_input_section::original_addralign,
4184          Arm_input_section::original_size_): Change type to uint32_t.
4185         (Arm_input_section::init): Add safe casts for section alignment
4186         and size.
4187         (Arm_input_section::set_final_data_size): Do not set address and
4188         offset of stub table.
4189         (Arm_output_section::fix_exidx_coverage): Change use of of
4190         Output_section::Simple_input_section to that of
4191         Output_section::Input_section.
4192         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4193         except for the first pass.
4194         * output.cc (Output_section::get_input_sections): Change type of
4195         input_sections to std::list<Input_section>.
4196         (Output_section::add_script_input_section): Rename from
4197         Output_section::add_simple_input_section.  Change type of SIS
4198         parameter from Simple_input_section to Input_section.
4199         * output.h (Output_section::Simple_input_section): Remove class.
4200         (Output_section::Input_section): Change class visibility to public.
4201         (Output_section::Input_section::addralign): Use stored alignments
4202         for special input sections if set.
4203         (Output_section::Input_section::set_addralign): New method.
4204         (Output_section::get_input_sections): Change parameter type from
4205         list of Simple_input_section to list of Input_section.
4206         (Output_section::add_script_input_section): Rename from
4207         Output_section::add_simple_input_section. Change first parameter's
4208         type from Simple_input_section to Input_section and remove the
4209         second and third parameters.
4210         * script-sections.cc (Input_section::Input_section_list): Change
4211         type to list of Output_section::Input_section/
4212         (Input_section_info::Input_section_info): Change parameter type of
4213         INPUT_SECTION to Output_section::Input_section.
4214         (Input_section_info::input_section): Change return type.
4215         (Input_section_info::input_section_): Change type to
4216         Output_section::Input_section.
4217         (Output_section_element_input::set_section_addresses): Adjust code
4218         to use Output_section::Input_section instead of
4219         Output_section::Simple_input_section.  Adjust code for renaming
4220         of Output_section::add_simple_input_section.
4221         (Orphan_output_section::set_section_addresses): Ditto.
4222
4223 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4224
4225         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4226         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4227
4228 2010-05-18  Rafael Espindola  <espindola@google.com>
4229
4230         * options.cc (General_options::finalize): Handle -nostdlib.
4231         * options.h (nostdlib): New option.
4232         * script.cc (script_add_search_dir): Handle -nostdlib.
4233
4234 2010-05-12  Doug Kwan  <dougkwan@google.com>
4235
4236         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4237         attributes section only if there no attributes section after merging.
4238         (Target_arm::merge_object_attributes): Move value of
4239         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4240         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4241         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4242         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4243         and arm_attr_merge_7.stdout.
4244         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4245         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4246         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4247         arm_attr_merge_7b.o): New rules.
4248         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4249         arm_attr_merge_7
4250         * testsuite/Makefile.in: Regenerate.
4251         * testsuite/arm_attr_merge.sh: New file.
4252         * testsuite/arm_attr_merge_[67][ab].s: Same.
4253
4254 2010-05-05  Nick Clifton  <nickc@redhat.com>
4255
4256         * po/es.po: Updated Spanish translation.
4257
4258 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4259
4260         * Makefile.am (install-exec-local): Properly install gold as
4261         default cross linker.
4262         * Makefile.in: Regenerated.
4263
4264 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4265             Nick Clifton  <nickc@redhat.com>
4266
4267         * configure.ac (install_as_default): Define and set to false
4268         unless --enable-gold or --enable-gold=both/gold has been
4269         specified.
4270         * configure: Regenerate.
4271
4272         * Makefile.am (install-exec-local): Install the executable as
4273         'ld.gold'.  If install_as_default is true then also install it as
4274         'ld'.
4275         * Makefile.in: Regenerated.
4276
4277 2010-04-24  Ian Lance Taylor  <iant@google.com>
4278
4279         * layout.cc (Layout::layout_reloc): In relocatable link don't
4280         combine reloc sections for grouped sections.
4281
4282 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4283
4284         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4285         sections that are not ordinary to icf.
4286         * icf.cc (get_section_contents): Handle relocation pointing to section
4287         with no object or shndx information.
4288         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4289         * testsuite/Makefile.in: Regenerate.
4290         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4291         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4292
4293 2010-04-22  Ian Lance Taylor  <iant@google.com>
4294
4295         * expression.cc (Expression::Expression_eval_info): Add
4296         result_alignment_pointer field.
4297         (Expression::eval_with_dot): Add result_alignment_pointer
4298         parameter.  Change all callers.
4299         (Expression::eval_maybe_dot): Likewise.
4300         (class Binary_expression): Add alignment_pointer parameter to
4301         left_value and right_value.  Change all callers.
4302         (BINARY_EXPRESSION): Set result alignment.
4303         (class Trinary_expression): Add alignment_pointer parameter to
4304         arg2_value and arg3_value.  Change all callers.
4305         (Trinary_cond::value): Set result alignment.
4306         (Max_expression::value, Min_expression::value): Likewise.
4307         (Align_expression::value): Likewise.
4308         * script-sections.cc (class Sections_element): Add dot_alignment
4309         parameter to set_section_addresses virtual function.  Update
4310         instantiations.
4311         (class Output_section_element): Likewise.
4312         (Script_sections::create_segments): Add dot_alignment parameter.
4313         Change all callers.
4314         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4315         (Script_sections::set_phdrs_clause_addresses): Likewise.
4316         * script-sections.h: Update declarations.
4317         * script.h: Update declarations.
4318         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4319         min_p_align.
4320         * testsuite/script_test_3.t: Set large alignment.
4321         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4322         segment has expected alignment.
4323
4324 2010-04-22  Nick Clifton  <nickc@redhat.com>
4325
4326         * po/gold.pot: Updated by the Translation project.
4327         * po/vi.po: Updated Vietnamese translation.
4328
4329 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4330
4331         * testsuite/Makefile.am (check_PROGRAMS): Add
4332         icf_virtual_function_folding_test.
4333         * testsuite/Makefile.in: Regenerated.
4334
4335 2010-04-15  Andrew Haley  <aph@redhat.com>
4336
4337         * options.h (merge_exidx_entries): New option.
4338         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4339         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4340         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4341         (Target_arm::merge_exidx_entries): New function.
4342         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4343         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4344         to Arm_exidx_fixup constructor.
4345         Add new arg, merge_exidx_entries.
4346         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4347         Arm_output_section::fix_exidx_coverage.
4348
4349 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4350
4351         * icf.cc (get_section_contents): Check for preemptible functions.
4352         Ignore addend when appropriate.
4353         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4354         section folded.
4355         (add_from_relobj): Check for section folded.
4356         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4357         * symtab.h (should_add_dynsym_entry): Add new parameter.
4358         * target-reloc.h (scan_relocs): Check for section folded.
4359         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4360         Check reloc types for function pointers in shared objects.
4361         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4362         case.
4363         (icf_preemptible_functions_test): New test case.
4364         (icf_string_merge_test): New test case.
4365         * testsuite.Makefile.in: Regenerate.
4366         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4367         bar_glob.  Refactor code.
4368         * testsuite/icf_preemptible_functions_test.cc: New file.
4369         * testsuite/icf_preemptible_functions_test.sh: New file.
4370         * testsuite/icf_string_merge_test.cc: New file.
4371         * testsuite/icf_string_merge_test.sh: New file.
4372         * testsuite/icf_virtual_function_folding_test.cc: New file.
4373         * testsuite/icf_virtual_function_folding_test.sh: New file.
4374
4375 2010-04-14  Doug Kwan  <dougkwan@google.com>
4376
4377         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4378         for local symbol recounting if we remove a section due to ICF.
4379         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4380         there are no regular objects in input.
4381
4382 2010-04-13  Doug Kwan  <dougkwan@google.com>
4383
4384         * arm.cc (Arm_input_section::set_final_data_size): Compute
4385         accurate final data size instead of using current data size.
4386
4387 2010-04-09  Doug Kwan  <dougkwan@google.com>
4388
4389         * layout.cc (Layout::choose_output_section): Handle script section
4390         types.
4391         (Layout::make_output_section_for_script): Add section type parameter.
4392         Handle script section types.
4393         * layout.h (Layout::make_output_section_for_script): Add section
4394         type parameter.
4395         * output.cc (Output_section::Output_section): Initialize data member
4396         is_noload_.
4397         (Output_section::do_reset_address_and_file_offset): Do not set address
4398         to 0 if section is a NOLOAD section.
4399         * output.h (Output_section::is_noload): New method.
4400         (Output_section::set_is_noload): Ditto.
4401         (Output_section::is_noload_): New data member.
4402         * script-c.h (Script_section_type): New enum type.
4403         (struct Parser_output_section_header): Add new file section_type.
4404         * script-sections.cc (Sections_element::output_section_name): Add
4405         parameter for returning script section type.
4406         (Output_section_definition::output_section_name): Ditto.
4407         (Output_section_definition::section_type)P; New method.
4408         (Output_section_definiton::script_section_type_name): Ditto.
4409         (Output_section_definition::script_section_type_): New data member.
4410         (Output_section_definition::Output_section_definition): Initialize
4411         data member Output_section_definition::script_section_type_.
4412         (Output_section_definition::create_sections): Pass script section type
4413         to Layout::make_output_section_for_script.
4414         (Output_section_definition::output_section_name): Return script
4415         section type to caller.
4416         (Output_section_definition::set_section_address): Do not advance
4417         dot value and load address if section type is NOLOAD.  Set address
4418         of NOLOAD sections regardless of section flags.
4419         (Output_section_definition::print): Print section type if it is
4420         not SCRIPT_SECTION_TYPE_NONE.
4421         (Output_section_definition::section_type): New method.
4422         (Output_section_definition::script_section_type_name): Ditto.
4423         (Script_sections::output_section_name): Add new parameter
4424         PSECTION_TYPE for returning script section type.  Pass it to
4425         section elements.  Handle discard sections.
4426         (Sort_output_sections::operator()): Handle NOLOAD sections.
4427         * script-sections.h (Script_sections::Section_type): New enum type.
4428         (Script_sections::output_section_name): Add a new parameter for
4429         returning script section type.
4430         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4431         INFO and NOLOAD.
4432         * yyscript.y (union): Add new field SECTION_TYPE.
4433         (COPY, DSECT, INFO, NOLOAD): New tokens.
4434         (opt_address_and_section_type): Change type to output_section_header.
4435         (section_type): New non-terminal
4436         (section_header): Handle section type.
4437         (opt_address_and_section_type): Return section type value.
4438
4439 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4440
4441         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4442         * testsuite/plugin_common_test_2.c (foo): Likewise.
4443
4444 2010-04-08  Doug Kwan  <dougkwan@google.com>
4445
4446         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4447         Output_merge_data.
4448         * output.cc (Output_section::add_merge_input_section): Simplify
4449         code and return status of Output_merge_base::add_input_section.
4450         Update merge section map only if Output_merge_base::add_input_section
4451         returns true.
4452
4453 2010-04-07  Doug Kwan  <dougkwan@google.com>
4454
4455         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4456         if section is marked as containing instructions but has no mapping
4457         symbols.
4458         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4459         correct section index.
4460         (Arm_relobj::find_linked_text_section): Ditto.
4461
4462 2010-04-07  Cary Coutant  <ccoutant@google.com>
4463
4464         * archive.cc (include_member): Destroy Read_symbols_data object before
4465         releasing file.
4466         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4467         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4468         (Read_symbols_data::~Read_symbols_data) New destructor.
4469         (Section_relocs::Section_relocs) New constructor.
4470         (Section_relocs::~Section_relocs) New destructor.
4471         (Read_relocs_data::Read_relocs_data) New constructor.
4472         (Read_relocs_data::~Read_relocs_data) New destructor.
4473         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4474         pointers to NULL after deleting.
4475
4476 2010-04-07  Doug Kwan  <dougkwan@google.com>
4477
4478         * arm.cc: Replace "endianity" with "endianness" in comments.
4479         (Arm_exidx_cantunwind): Ditto.
4480         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4481         (Arm_relobj::merge_flags_and_attributes): New method.
4482         (Arm_relobj::merge_flags_and_attributes_): New data member.
4483         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4484         (Arm_relobj::scan_sections_for_stubs): Ditto.
4485         (Arm_relobj::do_read_symbols): Check to see if we really want to
4486         merge processor-specific flags and attributes.  Exit early if
4487         an object is empty except for section names and the undefined symbol.
4488         (Target_arm::do_finalize_sections): Move check for ELF format to
4489         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4490         attributes from a regular object only when we have determined that
4491         it is aapropriate.  Do not create an .ARM.attributes section in
4492         output if there is no regular input object.
4493         (Target_arm::merge_processor_specific_flags): Check
4494         --warn-mismatch before printing any error.
4495         (Target_arm::merge_object_attributes): Ditto.
4496         * gold.cc (queue_middle_tasks): Handle the case in which there is
4497         no regular object in input.
4498         * options.cc (General_options::parse_EB): New method.
4499         (General_options::parse_EL): Same.
4500         (General_options::General_options): Initialize endianness_.
4501         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4502         New options.
4503         (General_options::Endianness): New enum.
4504         (General_options::endianness): New method.
4505         (General_options::endianness_): New data member.
4506         * parameters.cc (Parameters::set_options): Check target endianness.
4507         (Parameters::set_target_once): Ditto.
4508         (Parameters::check_target_endianness): New method.
4509         (parameters_force_valid_target): If either -EL or -EB is specified,
4510         use it to define endianness of default target.
4511         * parameters.h (Parameters::check_target_endianness): New method
4512         declaration.
4513         * target.h (class Target): Change "endianity" to "endianness"
4514         in comments.
4515
4516 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4517
4518         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4519         * configure: Regenerate.
4520         * Makefile.in: Regenerate.
4521         * testsuite/Makefile.in: Regenerate.
4522
4523 2010-04-06  Cary Coutant  <ccoutant@google.com>
4524
4525         gcc PR lto/42757
4526         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4527         prevailing definitions of common symbols.
4528         * testsuite/plugin_test_6.sh: New test case.
4529         * testsuite/plugin_common_test_1.c: New test case.
4530         * testsuite/plugin_common_test_2.c: New test case.
4531         * testsuite/Makefile.am (plugin_test_6): New test case.
4532         * testsuite/Makefile.in: Regenerate.
4533
4534 2010-04-06  Nick Clifton  <nickc@redhat.com>
4535
4536         * po/vi.po: New Vietnamese translation.
4537
4538 2010-03-30  Doug Kwan  <dougkwan@google.com>
4539
4540         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4541
4542 2010-03-25  Doug Kwan  <dougkwan@google.com>
4543
4544         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4545         to avoid a conversion warning on a 32-bit host.
4546
4547 2010-03-24  Ian Lance Taylor  <iant@google.com>
4548
4549         * testsuite/script_test_3.t: Add a TLS segment.
4550         * testsuite/Makefile.am (check_PROGRAMS): Add
4551         tls_phdrs_script_test.
4552         (tls_phdrs_script_test_SOURCES): Define.
4553         (tls_phdrs_script_test_DEPENDENCIES): Define.
4554         (tls_phdrs_script_test_LDFLAGS): Define.
4555         (tls_phdrs_script_test_LDADD): Define.
4556         * testsuite/Makefile.in: Rebuild.
4557
4558 2010-03-23  Cary Coutant  <ccoutant@google.com>
4559
4560         * fileread.cc (find_or_make_view): Fix comment.
4561
4562 2010-03-23  Ian Lance Taylor  <iant@google.com>
4563
4564         * script-sections.cc (class Orphan_section_placement): Define
4565         PLACE_TLS and PLACE_TLS_BSS.
4566         (Orphan_section_placement::Orphan_section_placement): Initialize
4567         new places.
4568         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4569         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4570         (tls_script_test_SOURCES): Define.
4571         (tls_script_test_DEPENDENCIES): Define.
4572         (tls_script_test_LDFLAGS): Define.
4573         (tls_script_test_LDADD): Define.
4574         * testsuite/Makefile.in: Rebuild.
4575
4576 2010-03-22  Doug Kwan  <dougkwan@google.com>
4577
4578         * arm.cc (Arm_relocate_functions::abs8,
4579         Arm_relocate_functions::abs16): Use correct check for overflow
4580         specified in the ARM ELF specs.
4581         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4582         target of a BLX instruction specially.
4583         (Reloc_stub::stub_type_for_reloc): Ditto.
4584         (Relocate::relocate): Use symbolic names instead of numeric relocation
4585         codes to report error.
4586         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4587         workaround.
4588         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4589         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4590         thumb2_blx_out_of_range.stdout
4591         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4592         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4593         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4594         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4595         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4596         thumb2_blx_in_range, thumb2_blx_in_range.o,
4597         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4598         thumb2_blx_out_of_range.o): New rules.
4599         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4600         thumb2_blx_in_range and thumb2_blx_out_of_range.
4601         * testsuite/Makefile.in: Regenerate.
4602         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4603         * testsuite/thumb_blx_in_range.s: New file.
4604         * testsuite/thumb_blx_out_of_range.s: New file.
4605
4606 2010-03-22  Rafael Espindola  <espindola@google.com>
4607
4608         * archive.cc (Should_include): Move to archive.h.
4609         (should_include_member): Make it a member of Archive.
4610         (Lib_group): New.
4611         (Add_lib_group_symbols): New.
4612         * archive.h: Include options.h.
4613         (Archive_member): Moved from Archive.
4614         (Should_include): Moved from archive.cc.
4615         (Lib_group): New.
4616         (Add_lib_group_symbols): New.
4617         * dynobj.cc (do_should_include_member): New.
4618         * dynobj.h (do_should_include_member): New.
4619         * gold.cc (queue_initial_tasks): Update call to queue.
4620         * main.cc (main): Print lib group stats.
4621         * object.cc (do_should_include_member): New.
4622         * object.h: Include archive.h.
4623         (Object::should_include_member): New.
4624         (Object::do_should_include_member): New.
4625         (Sized_relobj::do_should_include_member): New.
4626         * options.cc (General_options::parse_start_lib): New.
4627         (General_options::parse_end_lib): New.
4628         (Input_arguments::add_file): Handle lib groups.
4629         (Input_arguments::start_group): Check we are not in a lib.
4630         (Input_arguments::start_lib): New.
4631         (Input_arguments::end_lib): New.
4632         * options.h (General_options): Add start_lib and end_lib.
4633         (Input_argument::lib_): New.
4634         (Input_argument::lib): New.
4635         (Input_argument::is_lib): New.
4636         (Input_file_lib): New.
4637         (Input_arguments::in_lib_): New.
4638         (Input_arguments::in_lib): New.
4639         (Input_arguments::start_lib): New.
4640         (Input_arguments::end_lib_): New.
4641         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4642         in unused members as preempted.
4643         (Sized_pluginobj::do_should_include_member): New.
4644         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4645         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4646         return the blocker.
4647         (Read_symbols::do_whole_lib_group): New.
4648         (Read_symbols::do_lib_group): New.
4649         (Read_symbols::do_read_symbols): Handle lib groups.
4650         (Read_symbols::get_name): Handle lib groups.
4651         * readsyms.h (Read_symbols): Add an archive member pointer.
4652         (Read_symbols::do_whole_lib_group): New.
4653         (Read_symbols::do_lib_group): New.
4654         (Read_symbols::member_): New.
4655         * script.cc (read_input_script): Update call to queue_soon.
4656
4657 2010-03-19  Doug Kwan  <dougkwan@google.com>
4658
4659         * arm.cc (Stub_table::Stub_table): Initialize new data members
4660         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4661         (Stub_table::add_reloc_stub): Assign stub offset and update
4662         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4663         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4664         New data members.
4665         (Stub_table::update_data_size_and_addralign): Use
4666         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4667         instead of going over all reloc stubs.
4668         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4669         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4670         Stringpool_template::offset_ to size of Stringpool_char.
4671         (Stringpool_template::new_key_offset): Remove code to initialize
4672         Stringpool_template::offset_.
4673         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4674         Stringpool_template::offset_ to zero.
4675
4676 2010-03-15  Doug Kwan  <dougkwan@google.com>
4677
4678         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4679         offset_.
4680         (Stringpool_template::new_key_offset): New method.
4681         (Stringpool_template::add_string): Assign offsets when adding new
4682         strings.
4683         (Stringpool_template::set_string_offsets): Do not set string offsets
4684         when not optimizing.
4685         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4686         member size_.
4687         (Chunked_vector::clear): Clear size_.
4688         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4689         (Chunked_vector::size): Return size_.
4690         (Chunked_vector::push_back): Use size_ to find insert position.
4691         (Chunked_vector::size_): New data member.
4692         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4693         (Stringpool_template::new_key_offset): New method declaration.
4694         (Stringpool_template::offset_): New data member.
4695
4696 2010-03-15   Rafael Espindola  <espindola@google.com>
4697
4698         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4699         Add_symbols' constructor.
4700         * readsyms.h (Add_symbols): Remove the input_group member.
4701
4702 2010-03-10  Ian Lance Taylor  <iant@google.com>
4703
4704         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4705         target to ask whether a reference to a symbol requires a stack
4706         split.
4707         * target.h (Target::is_call_to_non_split): New function.
4708         (Target::do_is_call_to_non_split): Declare virtual function.
4709         * target.cc: Include "symtab.h".
4710         (Target::do_is_call_to_non_split): New function.
4711         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4712
4713 2010-03-10  Cary Coutant  <ccoutant@google.com>
4714
4715         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4716         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4717         (File_read::open[2]): Add whole_file_view_ to list of views.
4718         (File_read::make_view): Remove test of whole_file_view_.
4719         (File_read::find_or_make_view): Create whole_file_view_ if
4720         necessary.
4721         (File_read::clear_views): Replace bool parameter with enum;
4722         adjust all callers.  Don't delete views with permanent data;
4723         do delete cached views and views from archives if
4724         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4725         if clearing the corresponding view.
4726         * fileread.h (File_read::Clear_views_mode): New enum.
4727         (File_read::View::is_permanent_view): New method.
4728         (File_read::clear_views): Replace bool parameter
4729         with enum; adjust all callers.
4730         * options.h (General_options): Change keep_files_mapped option;
4731         add map_whole_files.
4732         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4733         releasing the file.
4734         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4735         the file.
4736
4737 2010-03-10  David S. Miller  <davem@davemloft.net>
4738
4739         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4740
4741 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4742
4743         * icf.cc (get_section_contents): Add '@' marker after processing the
4744         merge reloc.
4745
4746 2010-03-08  Doug Kwan  <dougkwan@google.com>
4747
4748         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4749         due to a conversion warning.
4750         (Arm_relobj::update_output_local_symbol_count): Check for local
4751         symbol with unset output index.
4752
4753 2010-03-05  Ian Lance Taylor  <iant@google.com>
4754
4755         * options.h (class General_options): Add --spare-dynamic-tags.
4756         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4757         --spare-dynamic-tags.
4758
4759 2010-03-05  Ian Lance Taylor  <iant@google.com>
4760
4761         * incremental.cc: Include "libiberty.h".
4762
4763 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4764
4765         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4766         function, is_info_ member.
4767         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4768         (Versions::Versions): Update caller.
4769         (Versions::define_base_version): Likewise.
4770         (Versions::add_def): Likewise.
4771
4772 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4773
4774         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4775         (Scan::possible_function_pointer_reloc): New function.
4776         (Scan::local_reloc_may_be_function_pointer): Change to call
4777         possible_function_pointer_reloc.
4778         (Scan::global_reloc_may_be_function_pointer): Ditto.
4779         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4780         relocations in ".data.rel.ro._ZTV" section.
4781         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4782         * testsuite/icf_safe_so_test.cc: Ditto.
4783         * testsuite/icf_safe_test.cc: Ditto.
4784         * testsuite/icf_safe_test.sh: Ditto.
4785
4786 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4787             Ian Lance Taylor  <iant@google.com>
4788
4789         * target-reloc.h (relocate_section): Check the symbol table index
4790         for -1U before setting the local symbol index.
4791         (scan_relocatable_relocs): If copying the relocation, record that
4792         the local symbol is required.
4793         * object.h (Symbol_value::is_output_symtab_index_set): New
4794         function.
4795         (Symbol_value::may_be_discarded_from_output_symtab): New
4796         function.
4797         (Symbol_value::has_output_symtab_entry): New function.
4798         (Symbol_value::needs_output_symtab_entry): Remove.
4799         (Symbol_value::output_symtab_index): Make sure the symbol index is
4800         set.
4801         (Symbol_value::set_output_symtab_index): Make sure the symbol
4802         index is not set.  Make sure the new index is valid.
4803         (Symbol_value::set_must_have_output_symtab_entry): New function.
4804         (Symbol_value::has_output_dynsym_entry): New function.
4805         (Symbol_value::set_output_dynsym_index): Make sure the new index
4806         is valid.
4807         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4808         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4809         local symbol if permitted.
4810         (Sized_relobj::do_finalize_local_symbols): Call
4811         is_output_symtab_index_set rather than needs_output_symtab_entry.
4812         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4813         rather than needs_output_symtab_entry.  Call
4814         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4815         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4816         is_output_symtab_index_set rather than needs_output_symtab_entry.
4817         * testsuite/discard_locals_relocatable_test.c: New file.
4818         * testsuite/discard_locals_test.sh: Test -r.
4819         * testsuite/Makefile.am (check_DATA): Add
4820         discard_locals_relocatable_test1.syms,
4821         discard_local_relocatable_test2.syms.
4822         (MOSTLYCLEANFILES): Likewise.  Also add
4823         discard_locals_relocatable_test1.lout and
4824         discard_locals_relocatable_test2.out.
4825         (discard_locals_relocatable_test1.syms): New target.
4826         (discard_locals_relocatable_test.o): New target.
4827         (discard_locals_relocatable_test1.out): New target.
4828         (discard_locals_relocatable_test2.syms): New target.
4829         (discard_locals_relocatable_test2.out): New target.
4830         (various): Add missing ../ld-new dependencies.
4831         * testsuite/Makefile.in: Rebuild.
4832
4833 2010-03-03  Nick Clifton  <nickc@redhat.com>
4834
4835         * po/fi.po: New Finnish translation.
4836
4837 2010-03-01  Doug Kwan  <dougkwan@google.com>
4838
4839         * layout.cc (Layout::Layout): Force section types of .init_array*,
4840         .preinit_array* and .fini_array* sections.
4841         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4842         Fix check of return value of std::string::find.().
4843         (Output_section::Input_section_sort_compare::operator()): Remove
4844         comment about .init_array.
4845         (Output_section::Input_section_sort_init_fini_compare::operator()):
4846         New method.
4847         (Output_section::sort_attached_input_sections): Handle .init_array
4848         and .fini_array specially.
4849         * output.h (Output_section::Inut_section_sort_compare): Update
4850         comment.
4851         (Output_section::Input_section_sort_init_fini_compare): New struct.
4852
4853 2010-02-26  Doug Kwan  <dougkwan@google.com>
4854
4855         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4856         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4857         * testsuite/debug_msg.sh: Avoid matching source line number for
4858         use of global variable undef_int.
4859
4860 2010-02-26  Doug Kwan  <dougkwan@google.com>
4861
4862         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4863         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4864         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4865         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4866         * options.cc (General_options::General_options): Initialize member
4867         fix_v4bx_.
4868         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4869         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4870         and rm_no_fix_v4bx.stdout
4871         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4872         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4873         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4874         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4875         and arm_no_fix_v4bx.
4876         * Makefile.in: Regenerate.
4877         * testsuite/arm_fix_v4bx.s: New file.
4878         * testsuite/arm_fix_v4bx.sh: Ditto.
4879
4880 2010-02-24  Doug Kwan  <dougkwan@google.com>
4881
4882         * arm.cc (Target_arm::got_section): Make the .got section the first
4883         non RELRO section in the data segment.
4884         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4885         suffixes of section names.
4886
4887 2010-02-24  Doug Kwan  <dougkwan@google.com>
4888
4889         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4890         flags and attributes merging if an input file is a binary file.
4891         * fileread.cc (Input_file::open): Record format of original file.
4892         * fileread.h (Input_file::Format): New enum type.
4893         (Input_file::Input_file): Initialize data member format_.
4894         (Input_file::format): New method definition.
4895         (Input_file::format_):: New data member.
4896
4897 2010-02-24  Doug Kwan  <dougkwan@google.com>
4898
4899         * arm.cc (Arm_output_data_got): New class.
4900         (ARM_TCB_SIZE): New constant
4901         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4902         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4903         If user uses a script with a SECTIONS clause, issue only a warning
4904         for a misplaced EXIDX input section.  Otherwise, issue an error.
4905         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4906         garbage collection.
4907         (Target_arm::got_mode_index_entry): Handle static linking.
4908         (Target_arm::Scan::local): Ditto.
4909         (Target_arm::Scan::global): Ditto.
4910         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4911         all incorrectly implemented relocations.
4912         (Target_arm::fix_exidx_coverage): Pass layout to
4913         Arm_output_section::fix_exidx_coverage.
4914         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4915         from ".ARM.exidx." and ".ARM.extab.".
4916
4917 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4918
4919         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4920         section if it does not already exist.
4921         * attributes.cc (Attributes_section_data::Attributes_section_data):
4922         Don't crash if size is zero.
4923
4924 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4925             Ian Lance Taylor  <iant@google.com>
4926
4927         * gold.cc (queue_middle_tasks): If no input files were opened,
4928         exit.
4929         * workqueue.h (Task_function::Task_function): Assert that there is
4930         a blocker.
4931
4932 2010-02-22  Doug Kwan  <dougkwan@google.com>
4933
4934         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4935         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4936         types to avoid warnings due to different uint64_t implementations
4937         on different hosts.
4938
4939 2010-02-21  Doug Kwan  <dougkwan@google.com>
4940
4941         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4942         handling of the maximum backward branch offset.
4943         (Arm_relocate_functions::thumb_branch_common): Ditto.
4944         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4945         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4946         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4947         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4948         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4949         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4950         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4951         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4952         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4953         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4954         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4955         thumb2_bl_out_of_range.o): New rules.
4956         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4957         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4958         thumb2_bl_out_of_range
4959         * testsuite/Makefile.in: Regenerate.
4960         * testsuite/arm_bl_in_range.s: New file.
4961         * testsuite/arm_bl_out_of_range.s: Ditto.
4962         * testsuite/arm_branch_in_range.sh: Ditto.
4963         * testsuite/arm_branch_range.t: Ditto.
4964         * testsuite/thumb2_branch_range.t: Ditto.
4965         * testsuite/thumb_bl_in_range.s: Ditto.
4966         * testsuite/thumb_bl_out_of_range.s: Ditto.
4967         * testsuite/thumb_branch_range.t: Ditto.
4968
4969 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4970
4971         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4972         Add reloc offset information.
4973         * icf.cc (get_section_contents): Change iterators to point to the new
4974         vectors. Add reloc offset information to the contents.
4975         * icf.h (Icf::Sections_reachable_info): New typedef.
4976         (Icf::Sections_reachable_list): New typedef.
4977         (Icf::Offset_info): New typedef.
4978         (Icf::Reloc_info): New struct typedef.
4979         (Icf::Reloc_info_list): New typedef.
4980         (Icf::symbol_reloc_list): Delete method.
4981         (Icf::addend_reloc_list): Delete method.
4982         (Icf::section_reloc_list): Delete method.
4983         (Icf::reloc_info_list): New method.
4984         (Icf::reloc_info_list_): New member.
4985
4986 2010-02-19  Doug Kwan  <dougkwan@google.com>
4987
4988         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4989         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4990         * arm.cc (Arm_relocation_functions): New forward declaration.
4991         (Target_arm::Target_arm): Initialize new data members
4992         got_mod_index_offset_ and tls_base_symbol_defined_.
4993         (Target_arm::Relocate::relocate_tls): New method.
4994         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4995          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4996         New methods.
4997         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4998         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4999         (Target_arm::got_mod_index_offset_,
5000         Target_arm::tls_base_symbol_defined_): New data members.
5001         (Target_arm::Scan::local, Target::Scan::global,
5002         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5003         relocations.
5004
5005 2010-02-18  Doug Kwan  <dougkwan@google.com>
5006
5007         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5008         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5009         text section as a parameter becuase some broken tools may not set
5010         the link in section header.
5011         (Target_arm::has_got_section): New method.
5012         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5013         without any mapping symbol as data only.  Remove warning.
5014         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5015         link in its section header, try to discover the link by inspecting the
5016         REL31 relocation at the beginning of the section.
5017         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5018         in error message.
5019         (Target_arm::Scan::global): Treat any reference to the symbol
5020         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5021
5022 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5023
5024         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5025         (Scan::global_reloc_may_be_function_pointer): New function.
5026         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5027         (Scan::global_reloc_may_be_function_pointer): New function.
5028         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5029         (Scan::global_reloc_may_be_function_pointer): New function.
5030         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5031         (Scan::global_reloc_may_be_function_pointer): New function.
5032         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5033         (Scan::global_reloc_may_be_function_pointer): New function.
5034         (Scan::possible_function_pointer_reloc): New function.
5035         (Target_x86_64::can_check_for_function_pointers): New function.
5036         * gc.h (gc_process_relocs): Scan relocation types to determine if
5037         function pointers were taken for targets that support it.
5038         * icf.cc (Icf::find_identical_sections): Include functions for
5039         folding in safe ICF whose pointer is not taken.
5040         * icf.h (Secn_fptr_taken_set): New typedef.
5041         (fptr_section_id_): New member.
5042         (section_has_function_pointers): New function.
5043         (set_section_has_function_pointers): New function.
5044         (check_section_for_function_pointers): New function.
5045         * options.h: Fix comment for safe ICF option.
5046         * target.h (can_check_for_function_pointers): New function.
5047         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5048         Modify icf_safe_test for X86-64.
5049         * testsuite/Makefile.in: Regenerate.
5050         * testsuite/icf_safe_so_test.cc: New file.
5051         * testsuite/icf_safe_so_test.sh: New file.
5052         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5053         (main): Change to take pointer to function kept_func_3.
5054         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5055         folding is done correctly for X86-64.
5056
5057 2010-02-12  David S. Miller  <davem@davemloft.net>
5058
5059         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5060         is_symbolless parameter.
5061         (Output_reloc<SHT_REL>::is_symbolless): New.
5062         (Output_reloc<SHT_REL>::is_symbolless_): New.
5063         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5064         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5065         (Output_reloc<SHT_RELA>::is_symbolless): New.
5066         (Output_data_reloc::add_global): Handle is_symbolless.
5067         (Output_data_reloc::add_global_relative): Likewise.
5068         (Output_data_reloc::add_local): Likewise.
5069         (Output_data_reloc::add_local_relative): Likewise.
5070         (Output_data_reloc::add_symbolless_global_addend): New.
5071         (Output_data_reloc::add_symbolless_local_addend): New.
5072         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5073         is_symbolless.
5074         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5075         instead of ->is_relative_
5076         (Output_reloc::write): Likewise.
5077         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5078         (Output_reloc::write_rel): Simplify.
5079
5080         * sparc.cc (Target_sparc::Scan::local): Use
5081         ->add_symbolless_local_addend as needed.
5082         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5083         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5084         based upon relocation offset.
5085
5086 2010-02-11  Doug Kwan  <dougkwan@google.com>
5087
5088         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5089         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5090         beginning of function.
5091         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5092         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5093         parameter is_32bit in calls to should_apply_static_reloc.
5094         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5095         (check_DATA): Add arm_abs_global.stdout.
5096         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5097         arm_abs_global.stdout): New rules.
5098         (MOSTLLYCLEANFILES): Add arm_abs_global
5099         * Makefile.in: Regenerate.
5100         * testsuite/arm_abs_global.s: New file.
5101         * testsuite/arm_abs_global.sh: Ditto.
5102         * testsuite/arm_abs_lib.s: Ditto.
5103
5104 2010-02-11  Ian Lance Taylor  <iant@google.com>
5105
5106         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5107         Read_relocs task.
5108         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5109         Allocate_commons_task first.
5110         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5111         task, rather than symtab_lock_.
5112         (Gc_process_relocs::~Gc_process_relocs): New function.
5113         (Gc_process_relocs::is_runnable): Check this_blocker_.
5114         (Gc_process_relocs::locks): Use next_blocker_ rather than
5115         blocker_.
5116         (Scan_relocs::~Scan_relocs): New function.
5117         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5118         symtab_lock_.
5119         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5120         next_blocker_.
5121         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5122         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5123         constructor accordingly.
5124         (class Gc_process_relocs): Likewise.
5125         (class Scan_relocs): Likewise.
5126         * common.h (class Allocate_commons_task): Remove symtab_lock_
5127         field, and corresponding constructor parameter.
5128         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5129         symtab_lock_.
5130         (Allocate_commons_task::locks): Likewise.
5131
5132 2010-02-11  Ian Lance Taylor  <iant@google.com>
5133
5134         * gold-threads.h (class Once): Define.
5135         (class Initialize_lock): Rewrite as child of Once.
5136         * gold-threads.cc (class Once_initialize): Define.
5137         (once_pointer_control): New static variable.
5138         (once_pointer, once_arg): New static variables.
5139         (c_run_once): New static function.
5140         (Once::Once, Once::run_once, Once::internal_run): New functions.
5141         (class Initialize_lock_once): Remove.
5142         (initialize_lock_control): Remove.
5143         (initialize_lock_pointer): Remove.
5144         (initialize_lock_once): Remove.
5145         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5146         (Initialize_lock::initialize): Rewrite.
5147         (Initialize_lock::do_run_once): New function.
5148         * archive.cc (Archive::interpret_header): Only clear name if it is
5149         not already empty.
5150         * fileread.cc: Include "gold-threads.h"
5151         (file_counts_lock): New static variable.
5152         (file_counts_initialize_lock): Likewise.
5153         (File_read::release): Only increment counts when using --stats.
5154         Use a lock around the increment.
5155         * parameters.cc (class Set_parameters_target_once): Define.
5156         (set_parameters_target_once): New static variable.
5157         (Parameters::Parameters): Move here from parameters.h.
5158         (Parameters::set_target): Rewrite.
5159         (Parameters::set_target_once): New function.
5160         (Parameters::clear_target): Move here and rewrite.
5161         * parameters.h (class Parameters): Update declarations.  Add
5162         set_parameters_target_once_ field.
5163         (Parameters::Parameters): Move to parameters.cc.
5164         (Parameters::clear_target): Likewise.
5165         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5166         task.
5167         (Start_group::~Start_group): New function.
5168         (Start_group::is_runnable): New function.
5169         (Start_group::locks, Start_group::run): New functions.
5170         (Finish_group::run): Change saw_undefined to size_t.
5171         * readsyms.h (class Start_group): Define.
5172         (class Finish_group): Change saw_undefined_ field to size_t.
5173         (Finish_group::Finish_group): Remove saw_undefined and
5174         this_blocker parameters.  Change all callers.
5175         (Finish_group::set_saw_undefined): New function.
5176         (Finish_group::set_blocker): New function.
5177         * symtab.h (class Symbol_table): Change saw_undefined to return
5178         size_t.  Change saw_undefined_ field to size_t.
5179         * target-select.cc (Set_target_once::do_run_once): New function.
5180         (Target_selector::Target_selector): Initialize set_target_once_
5181         field.  Don't initialize lock_ and initialize_lock_ fields.
5182         (Target_selector::instantiate_target): Rewrite.
5183         (Target_selector::set_target): New function.
5184         * target-select.h (class Set_target_once): Define.
5185         (class Target_selector): Update declarations.  Make
5186         Set_target_once a friend.  Remove lock_ and initialize_lock_
5187         fields.  Add set_target_once_ field.
5188
5189 2010-02-10  Ian Lance Taylor  <iant@google.com>
5190
5191         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5192         queueing any tasks.
5193         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5194         (queue_middle_tasks): Add all blockers before queueing any tasks.
5195         (queue_final_tasks): Likewise.
5196         * token.h (Task_token::add_blockers): New function.
5197         * object.h (Input_objects::number_of_relobjs): New function.
5198
5199 2010-02-10  Ian Lance Taylor  <iant@google.com>
5200
5201         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5202         shared, not if not position independent.
5203         * x86_64.cc (Relocate::relocate_tls): Likewise.
5204         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5205         (tls_pie_pic_test): New target.
5206         * testsuite/Makefile.in: Rebuild.
5207
5208         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5209         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5210         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5211         * testsuite/Makefile.in: Rebuild.
5212
5213 2010-02-09  David S. Miller  <davem@davemloft.net>
5214
5215         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5216         R_SPARC_RELATIVE using ->add_local_relative().
5217         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5218
5219         * output.h (Output_data_dynamic::add_section_size): New method
5220         that takes two Output_data objects.
5221         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5222         entry param.  Handle it in initializers.
5223         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5224         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5225         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5226         arg.
5227         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5228         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5229         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5230         for dynrel_includes_plt.
5231         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5232         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5233         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5234         before .rela.plt
5235         (Target_sparc::do_finalize_sections): Update to pass true for
5236         dynrel_includes_plt.
5237         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5238         output before .rela.plt
5239         (Target_powerpc::do_finalize_sections): Update to pass true for
5240         dynrel_includes_plt when 32-bit.
5241
5242 2010-02-08  Doug Kwan  <dougkwan@google.com>
5243
5244         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5245         method.
5246         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5247         Arm_relobj::scan_section_for_cortex_a8_stubs,
5248         Arm_relobj::do_relocation_section): Instead of calling
5249         Output_section::output_address, use faster
5250         Arm_relobj::simple_input_section_output_address.
5251
5252 2010-02-08  David S. Miller  <davem@davemloft.net>
5253
5254         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5255         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5256         relocation helper function.
5257
5258         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5259         just like R_SPARC_GOT{10,13,22}.
5260         (Target_sparc::Scan::local): Likewise.
5261         (Target_sparc::Relocate:relocate): Likewise.
5262
5263 2010-02-06  Ian Lance Taylor  <iant@google.com>
5264
5265         * configure.ac: Rewrite targetobjs duplicate removal code to use
5266         only shell constructs.
5267         * configure: Rebuild.
5268
5269 2010-02-05  Doug Kwan  <dougkwan@google.com>
5270
5271         PR 11247
5272         * arm.cc (Arm_relobj::section_is_scannable): New method.
5273         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5274         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5275
5276 2010-02-04  Doug Kwan  <dougkwan@google.com>
5277
5278         PR 11247
5279         * arm-reloc-property.cc (cstdio): Include.
5280         * configure.ac (targetobjs): Remove duplicates.
5281         * configure: Regenerate.
5282         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5283         big and little endian version for a given address size.
5284
5285 2010-02-03  Doug Kwan  <dougkwan@google.com>
5286
5287         * arm-reloc-property.cc
5288         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5289         definition.
5290         * arm-reloc-property.h
5291         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5292         New method definition.
5293         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5294         declaration.
5295         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5296         overflow to N.
5297         (GOT_PREL): Change implemented to Y.
5298         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5299         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5300         (Arm_relocate_functions::movw_abs_nc): Remove method.
5301         (Arm_relocate_functions::movt_abs): Ditto.
5302         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5303         (Arm_relocate_functions::thm_movt_abs): Ditto.
5304         (Arm_relocate_functions::movw_rel_nc): Ditto.
5305         (Arm_relocate_functions::movw_rel): Ditto.
5306         (Arm_relocate_functions::movt_rel): Ditto.
5307         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5308         (Arm_relocate_functions:thm_movw_rel): Ditto.
5309         (Arm_relocate_functions:thm_movt_rel): Ditto.
5310         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5311         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5312         New method definitions.
5313         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5314         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5315         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5316         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5317         (Target_arm::Relocate::relocate): Check for non-static or
5318         unimplemented relocation code and exit early.  Change calls to
5319         Target_arm::reloc_uses_thumb_bit and
5320         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5321         instead.  Refactor code to handle similar relocations to increase
5322         code sharing.  Remove check for unsupported relocation code in switch
5323         statement.
5324         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5325         relocation property table to find out size.  Change error message to
5326         print out the name of a relocation code instead of the numeric value.
5327         (Target_arm::scan_reloc_for_stub): Use relocation property table
5328         instead of calling Target_arm::reloc_uses_thumb_bit().
5329
5330 2010-02-02  Doug Kwan  <dougkwan@google.com>
5331
5332         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5333         types of relaxed input section.
5334
5335 2010-02-02  Doug Kwan  <dougkwan@google.com>
5336
5337         * Makefile.am (HFILES): Add arm-reloc-property.h.
5338         (DEFFILES): New.
5339         (TARGETSOURCES): Add arm-reloc-property.cc
5340         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5341         (libgold_a_SOURCES): $(DEFFILES)
5342         * Makefile.in: Regenerate.
5343         * arm-reloc-property.cc: New file.
5344         * arm-reloc-property.h: New file.
5345         * arm-reloc.def: New file.
5346         * arm.cc: Update comments.
5347         (arm-reloc-property.h): New included header.
5348         (arm_reloc_property_table): New global variable.
5349         (Target_arm::do_select_as_default_target): New method definition.
5350         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5351         arm-reloc-property to targ_extra_obj.
5352         * parameters.cc (set_parameters_target): Call
5353         Target::select_as_default_target().
5354         * target.h (Target::select_as_default_target): New method definition.
5355         (Target::do_select_as_default_target): Same.
5356
5357 2010-02-01  Doug Kwan  <dougkwan@google.com>
5358
5359         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5360         first_output_text_section_.
5361         (Arm_exidx_fixup::first_output_text_section): New method definition.
5362         (Arm_exidx_fixup::first_output_text_section_): New data member.
5363         (Arm_exidx_fixup::process_exidx_section): Record the first text
5364         output section seen.
5365         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5366         and entsize in output section header.
5367
5368 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5369
5370         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5371         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5372         (Arm_relocate_functions::thm_alu11): New Method.
5373         (Arm_relocate_functions::thm_pc8): New Method.
5374         (Arm_relocate_functions::thm_pc12): New Method.
5375         (Target_arm::Scan::local): Handle the relocations.
5376         (Target_arm::Scan::global): Likewise.
5377         (Target_arm::Relocate::relocate): Likewise.
5378         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5379
5380 2010-01-29  Doug Kwan  <dougkwan@google.com>
5381
5382         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5383         of relocation types as ld.
5384
5385 2010-01-29  Doug Kwan  <dougkwan@google.com>
5386
5387         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5388         to public.
5389         (Arm_relocate_functions::thumb_branch_common): Ditto.
5390         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5391         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5392         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5393         Arm_relocate_functions::jump24): Remove.
5394         (Target_arm::Relocate::relocate): Adjust code to call
5395         Arm_relocation_functions::arm_branch_common and
5396         Arm_relocation_functions::thumb_branch_common instead of their removed
5397         wrappers.  Merge switch-cases together to reduce source code size.
5398
5399 2010-01-29  Doug Kwan  <dougkwan@google.com>
5400
5401         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5402         output_local_symbol_count_needs_update_.
5403         (Arm_relobj::output_local_symbol_count_needs_update,
5404          Arm_relobj::set_output_local_symbol_count_needs_update,
5405          Arm_relobj::update_output_local_symbol_count): New methods.
5406         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5407         member.
5408         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5409         of pointed function as in a R_ARM_PREL31 relocation.
5410         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5411         for output local symbol count updating.
5412         (Target_arm::do_relax): Update output local symbol counts in objects
5413         if necessary.
5414         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5415
5416 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5417
5418         * arm.cc: Added support for the ARM relocations:
5419         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5420         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5421         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5422         movw_prel_nc).
5423         (Arm_relocate_functions::movw_rel): New method.
5424         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5425         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5426         thm_movw_prel_nc).
5427         (Arm_relocate_functions::thm_movw_rel): New method.
5428         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5429         thm_movt_prel).
5430         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5431         relocations.
5432         (Target_arm::Scan::global): Likewise.
5433         (Target_arm::Relocate::relocate): Likewise.
5434         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5435         Likewise.
5436
5437 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5438
5439         * arm.cc: Added support for ARM group relocations.
5440         (Target_arm::reloc_needs_sym_origin): New method.
5441         (Arm_relocate_functions::calc_grp_kn): New method.
5442         (Arm_relocate_functions::calc_grp_residual): New method.
5443         (Arm_relocate_functions::calc_grp_gn): New method.
5444         (Arm_relocate_functions::arm_grp_alu): New Method.
5445         (Arm_relocate_functions::arm_grp_ldr): New Method.
5446         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5447         (Arm_relocate_functions::arm_grp_ldc): New Method.
5448         (Target_arm::Scan::local): Handle the ARM group relocations.
5449         (Target_arm::Scan::global): Likewise.
5450         (Target_arm::Relocate::relocate): Likewise.
5451         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5452         Likewise.
5453
5454 2010-01-26  Doug Kwan  <dougkwan@google.com>
5455
5456         * arm.cc (set): Include.
5457         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5458         pointer type.
5459         (Arm_output_section::Text_section_list): New type.
5460         (Arm_output_section::append_text_sections_to_list): New method.
5461         (Arm_output_section::fix_exidx_coverage): Ditto.
5462         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5463         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5464         Relobj::set_section_offset() instead of
5465         Sized_relobj::invalidate_section_offset().
5466         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5467         parameter for section headers. Ignore relocation sections for
5468         unallocated sections and EXIDX sections.
5469         (Target_arm::fix_exidx_coverage): New method.
5470         (Target_arm::output_section_address_less_than): New type.
5471         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5472         linked text section instead of the EXIDX section.
5473         (Arm_output_section::create_stub_group): Add an assertion to check
5474         that this is not an EXIDX output section.
5475         (Arm_output_section::append_text_sections_to_list): New method.
5476         (Arm_output_section::fix_exidx_coverage): Ditto.
5477         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5478         Arm_relobj::section_needs_reloc_stub_scanning.
5479         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5480         first pass.
5481         (Target_arm::fix_exidx_coverage): New method.
5482         * object.h (Relobj::set_output_section): New method.
5483         (Sized_relobj::invalidate_section_offset): Remove method.
5484         (Sized_relobj::do_invalidate_section_offset): Remove method.
5485         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5486
5487 2010-01-25  Doug Kwan  <dougkwan@google.com>
5488
5489         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5490         Fix warning due to signed and unsigned comparison on a 32-bit host.
5491
5492 2010-01-22  Doug Kwan  <dougkwan@google.com>
5493
5494         * arm.cc (Target_arm::do_relax): Record an output section for section
5495         offset adjustment it contains any stub table that has changed.
5496         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5497         offsets in an output section if necessary.
5498         * output.cc (Output_section::Output_section): Initialize
5499         section_offsets_need_adjustments_.
5500         (Output_section::add_input_section_for_script): Renamed to
5501         Output_section::add_simple_input_section.
5502         (Output_section::save_states): Add a comment.
5503         (Output_section::discard_states): New method defintion.
5504         (Output_section::adjust_section_offsets): Same.
5505         * output.h (Output_section::add_input_section_for_script): Renamed to
5506         Output_section::add_simple_input_section.
5507         (Output_section::discard_states): New method declaration.
5508         (Output_section::adjust_section_offsets): Same.
5509         (Output_section::section_offsets_need_adjustment,
5510         Output_section::set_section_offsets_need_adjustment): New method
5511         definitions.
5512         (Output_section::section_offsets_need_adjustment_): New data member.
5513         * script-sections.cc
5514         (Output_section_element_input::set_section_address): Adjust code for
5515         renaming of Output_section::add_input_section_for_script.
5516         (Orphan_output_section::set_section_address): Same.
5517
5518 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5519
5520         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5521         Fix_v4bx enum values .
5522         * gold/options.h (General_options): New option definitions.
5523         (General_options::fix_v4bx): New method.
5524         (General_options::Fix_v4bx): New enum.
5525         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5526         (General_options::parse_fix_v4bx_interworking): New method.
5527
5528 2010-01-22  Doug Kwan  <dougkwan@google.com>
5529
5530         * arm.cc (Arm_exidx_fixup): New class.
5531
5532 2010-01-21  Doug Kwan  <dougkwan@google.com>
5533
5534         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5535         classes.
5536         (Arm_exidx_section_offset_map): New type.
5537
5538 2010-01-21  Doug Kwan  <dougkwan@google.com>
5539
5540         * arm.cc (Arm_exidx_input_section): New class.
5541         (Arm_relobj::exidx_input_section_by_link,
5542         Arm_relobj::exidx_input_section_by_shndx,
5543         Arm_relobj::make_exidx_input_section): New methods.
5544         (read_arm_attributes_section): Remove.
5545         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5546         information about them.
5547         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5548         to here.
5549
5550 2010-01-20  Doug Kwan  <dougkwan@google.com>
5551
5552         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5553         Input_section_specifier to Section_id.
5554         (Target_arm::new_arm_input_section: Adjust code for change of key
5555         type.
5556         (Target_arm::find_arm_input_section): Ditto.
5557         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5558         (Section_id): Remove.
5559         (Garbage_collection::Section_id_hash): Remove.
5560         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5561         (Section_id): Remove.
5562         (Icf::Section_id_hash): Remove.
5563         * object.h (Section_id, Const_section_id, Section_id_hash,
5564         Const_section_id_hash): New type definitions.
5565         * output.cc (Output_section::add_relaxed_input_section): Change to
5566         use Const_section_id instead of Input_section_specifier as key type.
5567         (Output_section::add_merge_input_section): Ditto.
5568         (Output_section::build_relaxation_map): Change to use Section_id
5569         instead of Input_section_specifier as key type.
5570         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5571         Ditto.
5572         (Output_section::convert_input_sections_to_relaxed_sections): Change
5573         to use Const_section_id instead of Input_section_specifier as key type.
5574         (Output_section::find_merge_section): Ditto.
5575         (Output_section::find_relaxed_input_section): Ditto.
5576         * output.h (Input_section_specifier): Remove class.
5577         (Output_section::Output_section_data_by_input_section_map): Change
5578         key type to Const_section_id.
5579         (Output_section::Output_relaxed_input_section_by_input_section_map):
5580         Ditto.
5581         (Output_section::Relaxation_map): Change key type to Section_id.
5582
5583 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5584
5585         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5586         (class Arm_v4bx_stub): New class.
5587         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5588         (Stub_factory::make_arm_v4bx_stub): New method.
5589         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5590         (Stub_table::empty): Handle v4bx stubs.
5591         (Stub_table::add_arm_v4bx_stub): New method.
5592         (Stub_table::find_arm_v4bx_stub): New method.
5593         (Arm_relocate_functions::v4bx): New method.
5594         (Target_arm::fix_v4bx): New method.
5595         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5596         (Stub_table::relocate_stubs): Likewise.
5597         (Stub_table::do_write): Likewise.
5598         (Stub_table::update_data_size_and_addralign): Likewise.
5599         (Stub_table::finalize_stubs):  Likewise.
5600         (Target_arm::Scan::local): Likewise.
5601         (Target_arm::Scan::global): Likewise.
5602         (Target_arm::do_finalize_sections): Likewise.
5603         (Target_arm::Relocate::relocate): Likewise.
5604         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5605         Likewise.
5606         (Target_arm::scan_reloc_for_stub): Likewise.
5607         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5608
5609 2010-01-19  Ian Lance Taylor  <iant@google.com>
5610
5611         * output.cc (Output_section_headers::do_sized_write): Write large
5612         segment count to sh_info field.
5613         (Output_file_header::do_sized_write): For large segment count,
5614         write PN_XNUM to e_phnum field.
5615
5616 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5617
5618         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5619         (Arm_relocate_functions::thm_jump8): New function.
5620         (Arm_relocate_functions::thm_jump11): New function.
5621         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5622         R_ARM_THM_JUMP11.
5623         (Target_arm::Scan::global): Likewise.
5624         (Target_arm::Relocate::relocate): Likewise.
5625         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5626         Likewise.
5627
5628 2010-01-14  Doug Kwan  <dougkwan@google.com>
5629
5630         * arm.cc (map, utility): Include headers.
5631         (Target_arm::apply_cortex_a8_workaround): New method.
5632         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5633         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5634         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5635         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5636         the --[no-]fix-cortex-a8 command line options.
5637         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5638         (Target_arm::relocate_stub): Use addend in instruction template.
5639         * options.h (DEFINE_bool): Set the user-set flag.
5640         (General_options): Add --[no-]-fix-cortex options.
5641         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5642         : Update fast look-up map after conversion.
5643
5644 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5645
5646         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5647         in the first pass of do_layout.
5648
5649 2010-01-13  Doug Kwan  <dougkwan@google.com>
5650
5651         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5652         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5653         apparent compiler problem of not folding static constant integral
5654         data members of elfcpp::Elf_sizes<32>.
5655
5656 2010-01-13  Doug Kwan  <dougkwan@google.com>
5657
5658         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5659         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5660         Arm_relobj::scan_section_for_cortex_a8_erratum,
5661         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5662         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5663         sections to scan for relocation stubs into a new method
5664         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5665         relocation and Cortex-A8 stub scanning.
5666         (Target_arm::do_relax): Force stubs to be after stubbed sections
5667         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5668         the beginning of a new relaxation pass.  Update a comment.
5669         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5670
5671 2010-01-12  Ian Lance Taylor  <iant@google.com>
5672
5673         * target-reloc.h (visibility_error): New inline function.
5674         (relocate_section): Call visibility_error.
5675         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5676         (MOSTLYCLEANFILES): Likewise.
5677         (protected_4_pic.o, protected_3.err): New targets.
5678         * testsuite/protected_4.cc: New file.
5679
5680 2010-01-12  Doug Kwan  <dougkwan@google.com>
5681
5682         * arm.cc (Cortex_a8_reloc): New class.
5683         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5684         and cortex_a8_relocs_info_.
5685         (Target_arm::fix_cortex_a8): New method definition.
5686         (Target_arm::Cortex_a8_relocs_info): New type.
5687         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5688         New data member declarations.
5689         (Target_arm::scan_reloc_for_stub): Record information about
5690         relocations for THUMB branches that might be exempted from the
5691         Cortex-A8 workaround.
5692         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5693         at the beginning of a relaxation pass.
5694
5695 2010-01-12  Doug Kwan  <dougkwan@google.com>
5696
5697         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5698         (Arm_relobj::Mapping_symbol_position,
5699          Arm_reloj::Mapping_symbol_position_less,
5700          Arm_relobj::Mapping_symbols_info): New types.
5701         (Target_arm::is_mapping_symbol_name): New method definition.
5702         (Arm_relobj::do_count_local_symbols): Save information about mapping
5703         symbols.
5704
5705 2010-01-11  Doug Kwan  <dougkwan@google.com>
5706
5707         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5708         Arm_relocate_functions::thumb32_branch_upper,
5709         Arm_relocate_functions::thumb32_branch_lower,
5710         Arm_relocate_functions::thumb32_cond_branch_offset,
5711         Arm_relocate_functions::thumb32_cond_branch_upper,
5712         Arm_relocate_functions::thumb32_cond_branch_lower,
5713         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5714         branch offset encoding.
5715         (Arm_relocate_functions::thumb_branch_common): Use new branch
5716         offset encoding methods to avoid code duplication.
5717         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5718         (Stub_addend_reader::operator()): Use new branch encoding method
5719         to avoid code duplication.
5720
5721 2010-01-11  Doug Kwan  <dougkwan@google.com>
5722
5723         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5724         (Target_arm::do_finalize_sections): Define special EXIDX section
5725         symbols only if referenced.
5726         * gc.h (Garbage_collection::add_reference): New method.
5727         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5728         code duplication.
5729
5730 2010-01-11  Ian Lance Taylor  <iant@google.com>
5731
5732         * script.cc (Version_script_info::build_expression_list_lookup):
5733         Change complaing about duplicate wildcard match from error to
5734         warning.
5735
5736         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5737         of 2009-12-30.
5738         (Version_script_info::Version_script_info): Initialize globs_,
5739         default_version_, default_is_global_, and exact_.  Don't
5740         initialize globals_ or locals_.
5741         (Version_script_info::build_lookup_tables): Build local symbols
5742         first.
5743         (Version_script_info::unquote): New function.
5744         (Version_script_info::add_exact_match): New function.
5745         (Version_script_info::build_expression_list_lookup): Remove lookup
5746         parameter.  Add is_global parameter.  Change all callers.  Handle
5747         wildcard pattern specially.  Unquote pattern.  Call
5748         add_exact_match.
5749         (Version_script_info::get_name_to_match): New function.
5750         (Version_script_info::get_symbol_version): New function.
5751         (Version_script_info::get_symbol_version_helper): Remove.
5752         (Version_script_info::check_unmatched_names): Call unquote.
5753         * script.h (class Version_script_info): Change get_symbol_version
5754         to be non-inline and add is_global parameter; change all callers.
5755         Rewrite symbol_is_local.  Update declarations.  Define struct
5756         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5757         Remove globals_ and locals_ members.  Add exact_, globs_,
5758         default_version_, is_global_.
5759         (Version_script_info::Glob): Remove pattern, add expression and
5760         is_global.  Update constructor.  Change all callers.
5761         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5762         default version.
5763         (Versions::symbol_section_contents): If a symbol is undefined, or
5764         defined in a dynamic object, set the version index to
5765         VER_NDX_LOCAL.
5766         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5767         symbol_is_local.
5768         (Symbol_table::add_from_pluginobj): Likewise.
5769         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5770
5771 2010-01-11  Doug Kwan  <dougkwan@google.com>
5772
5773         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5774         (incremental_dump_LDADD): Add linking option for libintl.
5775         * Makefile.in: Regenerate.
5776
5777 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5778
5779         PR gold/11144
5780         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5781         instead of -Ds.
5782         * testsuite/Makefile.in: Regenerated.
5783
5784 2010-01-10  Doug Kwan  <dougkwan@google.com>
5785
5786         * options.h (DEFINE_var): Use parentheses around argument varname__
5787         in macro body to avoid any unintended subsequent substitutions.
5788
5789 2010-01-10  Ian Lance Taylor  <iant@google.com>
5790
5791         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5792         candidates before doing symbol resolution.
5793
5794         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5795         ODR candidates if only one is weak.
5796
5797 2010-01-08  Ian Lance Taylor  <iant@google.com>
5798
5799         * script.cc (Version_script_info::build_expression_list_lookup):
5800         Don't warn about ambiguous version, just record the ambiguity.
5801         (Version_script_info::get_symbol_version_helper): Give error if
5802         version is ambiguous.
5803
5804 2010-01-08  Doug Kwan  <dougkwan@google.com>
5805
5806         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5807           prev_data_size_ and prev_addralign_.  Remove initializer for
5808           deleted data member has_been_changed_.
5809           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5810           to determine if the table is empty.
5811           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5812           Remove.
5813           (Stub_table::add_reloc_stub): Define method in class definition
5814           instead of just declaring it there.
5815           (Stub_table::add_cortex_a8_stub): New method definition.
5816           (Stub_table::update_data_size_and_addralign): Ditto.
5817           (Stub_table::finalize_stubs): Ditto.
5818           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5819           (Stub_table::do_addralign_): Return address alignment in the
5820           (Stub_table::do_reset_address_and_file_offset): Define method in
5821           class definition instead of declaring it there.  Set current data
5822           size to be the data size of the previous pass.
5823           (Stub_table::set_final_data_size): Use current data size as the
5824           final data size.
5825           (Stub_table::relocate_stub): Change parameter type of stub from
5826           Reloc_stub pointer to Stub pointer.
5827           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5828           (Stub_table::Cortex_a8_stub_list): New typedef.
5829           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5830            Stub_table::prev_addralign_): New data member.
5831           (Arm_relobj::Arm_relobj): Initialize data member
5832           section_has_cortex_a8_workaround_.
5833           (Arm_relobj::section_has_cortex_a8_workaround,
5834            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5835            definitions.
5836           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5837           declarations.
5838           (Target_arm::relocate_stub): Change parameter type of stub from
5839           Reloc_stub pointer to Stub pointer.
5840           (Insn_template::size, Insn_template::alignment): Handle
5841           THUMB16_SPECIAL_TYPE.
5842           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5843            Stub_table::update_data_size_and_addralign,
5844            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5845           definitions.
5846           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5847           (Stub_table::do_write): Ditto.
5848           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5849
5850 2010-01-08  Ian Lance Taylor  <iant@google.com>
5851
5852         PR 11108
5853         * symtab.h (class Symbol): Remove fields is_target_special_ and
5854         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5855         (Symbol::is_defined_in_discarded_section): New function.
5856         (Symbol::set_is_defined_in_discarded_section): New function.
5857         (Symbol::has_plt_offset): Rewrite.
5858         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5859         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5860         Don't initialize is_target_special_ or has_plt_offset_.
5861         Initialize is_defined_in_discarded_section_.
5862         (Symbol_table::add_from_relobj): If appropriate, set
5863         is_defined_in_discarded_section.
5864         * resolve.cc (Symbol::override_base_with_special): Don't test
5865         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5866         * target-reloc.h (relocate_section): Do special handling for
5867         symbols defined in discarded sections for global symbols as well
5868         as local symbols.
5869
5870 2010-01-08  Ian Lance Taylor  <iant@google.com>
5871
5872         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5873         the SHT_SYMTAB case.
5874
5875 2010-01-08  Ian Lance Taylor  <iant@google.com>
5876
5877         * object.cc (Sized_relobj::do_layout): Don't get confused if
5878         layout_eh_frame returns NULL.
5879
5880 2010-01-08  Ian Lance Taylor  <iant@google.com>
5881
5882         PR 11084
5883         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5884         dynamic symbol table, use the normal symbol table.
5885         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5886         symbol table.
5887
5888 2010-01-08  Ian Lance Taylor  <iant@google.com>
5889
5890         PR 11072
5891         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5892         sections.
5893
5894 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5895
5896         * version.cc (print_version): Change to "Copyright 2010".
5897
5898 2010-01-08  Ian Lance Taylor  <iant@google.com>
5899
5900         PR 10287
5901         PR 11063
5902         * i386.cc (class Target_i386): Change return type of plt_section
5903         to be non-const.
5904         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5905         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5906         tls_desc_rel_ field.
5907         (Output_data_plt_i386::rel_tls_desc): New function.
5908         (Target_i386::rel_tls_desc_section): New function.
5909         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5910         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5911         R_386_TLS_DESC reloc in rel_tls_desc_section.
5912         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5913         Define struct Tlsdesc_info.
5914         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5915         (Target_x86_64::do_reloc_symbol_index): New function.
5916         (Target_x86_64::add_tlsdesc_info): New function.
5917         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5918         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5919         tlsdesc_rel_ field.
5920         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5921         all callers.
5922         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5923         (Target_x86_64::rela_tlsdesc_section): New function.
5924         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5925         handling.
5926         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5927         (Target_x86_64::do_reloc_addend): New function.
5928         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5929         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5930         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5931         (Output_reloc::type): New function.
5932         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5933         (Output_reloc::is_target_specific): New function.
5934         (Output_reloc::target_arg): New function.
5935         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5936         absolute relocs and target specific relocs.
5937         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5938         add_target_specific.
5939         (class Output_data_reloc) [SHT_RELA]: Likewise.
5940         * output.cc (Output_reloc::Output_reloc): Add four new versions
5941         for absolute relocs and target specific relocs.
5942         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5943         (Output_reloc::get_symbol_index): Likewise.
5944         (Output_reloc::local_section_offset): Check that local_sym_index_
5945         is not TARGET_CODE or 0.
5946         (Output_reloc::symbol_value): Likewise.
5947         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5948         reloc.
5949         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5950         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5951         functions.
5952         * layout.cc (add_target_dynamic_tags): Use output section for
5953         DT_PLTRELSZ and DT_JMPREL.
5954
5955 2010-01-07  Ian Lance Taylor  <iant@google.com>
5956
5957         PR 11061
5958         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5959         function.
5960         (class Output_data_reloc_generic): Define.
5961         (class Output_data_reloc_base): Change base class to
5962         Output_data_reloc_generic.  Change add() method to call
5963         bump_relative_reloc_count for a relative reloc.  Remove
5964         sort_relocs_ field.
5965         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5966         to sort_relocs().
5967         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5968         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5969         appropriate.
5970         * layout.h (class Layout): Update declaration.
5971
5972 2010-01-07  Ian Lance Taylor  <iant@google.com>
5973
5974         * output.h (class Output_data): Add const version of
5975         output_section and do_output_section.
5976         (class Output_section_data): Add const version of
5977         do_output_section.
5978         (class Output_section): Likewise.
5979         * layout.cc (Layout::add_target_dynamic_tags): New function.
5980         * layout.h (class Layout): Update declarations.
5981         * arm.cc (Target_arm::do_finalize_sections): Use
5982         add_target_dynamic_tags.
5983         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5984         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5985         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5986         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5987
5988 2010-01-07  Ian Lance Taylor  <iant@google.com>
5989
5990         PR 11042
5991         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5992         object as needed.
5993
5994 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5995             Ian Lance Taylor  <iant@google.com>
5996
5997         PR 11019
5998         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5999         Xindex::read_symtab_xindex.
6000
6001 2010-01-07  Doug Kwan  <dougkwan@google.com>
6002
6003         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6004         (Insn_template::thumb16_bcond_insn): New method declaration.
6005         (Insn_template): Fix spelling.
6006         (Stub::thumb16_special): New method declaration.
6007         (Stub::do_write): Define virtual method which was previously pure
6008         virtual.
6009         (Stub::do_thumb16_special): New method declaration.
6010         (Stub::do_fixed_endian_write): New template member.
6011         (Reloc_stub::do_write): Remove.
6012         (Reloc_stub::do_fixed_endian_write): Remove.
6013         (Cortex_a8_stub): New class definition.
6014         (Stub_factory::make_cortex_a8_stub): New method definition.
6015         (Stub_factory::Stub_factory): Add missing static storage class
6016         qualifier for elf32_arm_stub_a8_veneer_blx.
6017
6018 2010-01-07  Ian Lance Taylor  <iant@google.com>
6019
6020         PR 10980
6021         * options.h (class General_options): Add --warn-unresolved-symbols
6022         and --error-unresolved-symbols.
6023         * errors.cc (Errors::undefined_symbol): Implement
6024         --warn-unresolved-symbols.
6025
6026         * options.h (class General_options): Add -z text and -z textoff.
6027         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6028
6029 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6030
6031         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6032         (Garbage_collection::cident_sections): New function.
6033         (Garbage_collection::add_cident_section): New function.
6034         (Garbage_collection::cident_sections_): New member.
6035         (gc_process_relocs): Add references to sections whose names are C
6036         identifiers.
6037         * gold.h (cident_section_start_prefix): New constant.
6038         (cident_section_stop_prefix): New constant.
6039         (is_cident): New function.
6040         * layout.cc (Layout::define_section_symbols): Replace string constants
6041         with the newly defined constants.
6042         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6043         C identifiers.
6044         * testsuite/Makefile.am: Add gc_orphan_section_test.
6045         * testsuite/Makefile.in: Regenerate.
6046         * testsuite/gc_orphan_section_test.cc: New file.
6047         * testsuite/gc_orphan_section_test.sh: New file.
6048
6049 2010-01-06  Ian Lance Taylor  <iant@google.com>
6050
6051         PR 10980
6052         * options.h (class General_options): Add --warn-shared-textrel.
6053         * layout.cc (Layout::finish_dynamic_section): Implement
6054         --warn-shared-textrel.
6055
6056         PR 10980
6057         * options.h (class General_options): Add --warn-multiple-gp.
6058
6059 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6060
6061         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6062         $(THREADSLIB) and $(LIBDL).
6063         * Makefile.in: Rebuild.
6064
6065 2010-01-06  Ian Lance Taylor  <iant@google.com>
6066
6067         PR 10980
6068         * options.cc (General_options::parse_section_start): New function.
6069         (General_options::section_start): New function.
6070         (General_options::General_options): Initialize all members.
6071         * options.h: Include <map>
6072         (class General_options): Add --section-start.  Add section_starts_
6073         member.
6074         * layout.cc (Layout::attach_allocated_section_to_segment): If
6075         --section-start was used, set the address of the segment.  Remove
6076         local sort_sections.
6077         (Layout::relaxation_loop_body): If the address of the load segment
6078         has been set by --section-start, don't use it.
6079         * output.h (Output_segment::update_flags_for_output_section): New
6080         function.
6081         * output.cc (Output_segment::add_output_section): Call
6082         update_flags_for_output_section.
6083
6084 2010-01-05  Ian Lance Taylor  <iant@google.com>
6085
6086         PR 10980
6087         * options.h (class General_options): Add --undefined-version.
6088         * script.cc (struct Version_expression): Add was_matched_by_symbol
6089         field.
6090         (Version_script_info::matched_symbol): New function.
6091         (Version_script_info::get_symbol_version_helper): Call
6092         matched_symbol.
6093         (Version_script_info::check_unmatched_names): New function.
6094         * script.h (class Version_script_info): Update declarations.
6095         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6096
6097         * options.h (class General_options): Use DEFINE_bool_alias for
6098         allow_multiple_definition.
6099         * resolve.cc (Symbol_table::should_override): Don't test
6100         allow_multiple_definition.
6101
6102         PR 10980
6103         * options.h (class General_options): Add --cref.
6104         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6105         until after printing cref table.
6106         * cref.cc: Include "symtab.h".
6107         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6108         (Cref_table_compare::operator()): New function.
6109         (Cref_inputs::gather_cref): New function.
6110         (filecol): New static const.
6111         (Cref_inputs::print_cref): New function.
6112         (Cref::print_cref): New function.
6113         * cref.h: Include <cstdio>.
6114         (class Cref): Update declarations.
6115         * mapfile.h (Mapfile::file): New function.
6116         * object.h (class Object): Define Symbols.  Declare virtual
6117         do_get_global_symbols.
6118         (Object::get_global_symbols): New function.
6119         * object.cc (Input_objects::add_object): Pass object to cref_ if
6120         --cref.
6121         (Input_objects::archive_start): Likewise.
6122         (Input_objects::archive_stop): Likewise.
6123         (Input_objects::print_cref): New function.
6124         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6125         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6126         --cref.
6127         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6128         function.
6129         * plugin.h (class Sized_pluginobj): Update declarations.
6130
6131 2010-01-05  Ian Lance Taylor  <iant@google.com>
6132
6133         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6134         to is_default_version.  Rename insdef to insdefault.
6135         (Symbol_table::add_from_relobj): Rename def to is_default_version
6136         and local to is_forced_local.
6137         (Symbol_table::add_from_pluginobj): Likewise.
6138         (Symbol_table::add_from_dynobj): Likewise.
6139         (Symbol_table::define_special_symbol): Rename insdef to
6140         insdefault.
6141
6142 2010-01-04  Ian Lance Taylor  <iant@google.com>
6143
6144         PR 10980
6145         * options.h (class General_options): Add
6146         --allow-multiple-definition and -z muldefs.
6147         * resolve.cc (Symbol_table::should_override): Don't warn about a
6148         multiple symbol definition if --allow-multiple-definition or -z
6149         muldefs.
6150
6151         PR 10980
6152         * options.h (class General_options): Add --add-needed and
6153         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6154         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6155         error if --copy-dt-needed-entries aka --add-needed is used and
6156         would cause a change in behaviour.
6157
6158         PR 10980
6159         * options.h (class General_options): Add -G as a short version of
6160         --shared.  Add no-op options -assert, -g, and -i.
6161
6162 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6163
6164         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6165         check for .text or .gnu.linkonce.t sections.
6166         * icf.cc (Icf::find_identical_sections): Ditto.
6167         Change the detection for mangled function name within the section
6168         name.
6169         * icf.h (is_section_foldable_candidate): New function.
6170
6171 2009-12-30  Ian Lance Taylor  <iant@google.com>
6172
6173         PR 10980
6174         * options.h (class General_options): Permit two dashes with
6175         --retain-symbols-file.
6176
6177 2009-12-30  Ian Lance Taylor  <iant@google.com>
6178
6179         PR 10979
6180         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6181         don't put the file header and segment headers in the text
6182         segment.
6183
6184         PR 10979
6185         * common.cc (Sort_commons::operator()): Stabilize sort when both
6186         entries are NULL.
6187         (Symbol_table::do_allocate_commons_list): When allocating common
6188         symbols, skip a symbol which is no longer common.
6189         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6190         an object before checking its type.
6191         * testsuite/common_test_2.c: New file.
6192         * testsuite/common_test_3.c: New file.
6193         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6194         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6195         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6196         (common_test_2_pic.o, common_test_2.so): New targets.
6197         (common_test_3_pic.o, common_test_3.so): New targets.
6198         * testsuite/Makefile.in: Rebuild.
6199
6200         PR 10979
6201         * script.cc (read_input_script): If we see a new SECTIONS clause,
6202         and we have added an input section, give an error.
6203         * layout.h (class Layout): Add have_added_input_section function.
6204         Add have_added_input_section_ field.
6205         * layout.cc (Layout::Layout): Initialize
6206         have_added_input_section_.
6207         (Layout::layout): Set have_added_input_section_.
6208         (Layout::layout_eh_frame): Likewise.
6209
6210 2009-12-30  Ian Lance Taylor  <iant@google.com>
6211
6212         PR 10931
6213         * options.h (class General_options): Add --sort-common option.
6214         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6215         * common.cc (Sort_common): Add sort_order parameter to
6216         constructor.  Add sort_order_ field.
6217         (Sort_commons::operator): Check sort_order_.
6218         (Symbol_table::allocate_commons): Determine the sort order.
6219         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6220         Change all callers.
6221         (Symbol_table::do_allocate_commons_list): Likewise.
6222
6223 2009-12-30  Ian Lance Taylor  <iant@google.com>
6224
6225         PR 10916
6226         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6227         symbols from this object, don't change the visibility of an
6228         undefined symbol.
6229         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6230
6231 2009-12-30  Ian Lance Taylor  <iant@google.com>
6232
6233         PR 10861
6234         * script.h (class Version_script_info): Define Language enum.
6235         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6236         new fields globals_, locals_, and is_finalized_.
6237         * script.cc: Various formatting fixes.
6238         (class Parser_closure): Change language_stack_ from a vector of
6239         std::string to one of Version_script_info::Language.  Adjust all
6240         uses accordingly.
6241         (class Lazy_demangler): Remove.
6242         (struct Version_expression): Change language from std::string to
6243         Version_script_info::Language.
6244         (Version_script_info::Version_script_info): New function.
6245         (Version_script_info::~Version_script_info): Don't call clear.
6246         (Version_script_info::finalize): New function.
6247         (Version_script_info::build_lookup_tables): New function.
6248         (Version_script_info::build_expression_list_lookup): New
6249         function.
6250         (Version_script_info::get_symbol_version_helper): Rewrite to use
6251         lookup tables.
6252         (Version_script_info::print_expression_list): Adjust to use
6253         Version_script_info::Language.
6254         (script_push_lex_into_version_mode): Check that the version script
6255         has not been finalized.
6256         (version_script_push_lang): Change language string to
6257         Version_script_info::Language.
6258         * options.cc (Command_line::version_script): New function.
6259         * options.h (class General_options): Add finalize_dynamic_list
6260         function.  Change version_script from declaration to definition.
6261         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6262         * testsuite/version_script.map: Remove duplicate def of foo.
6263         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6264         version_script.map.
6265         * testsuite/Makefile.in: Rebuild.
6266
6267 2009-12-30  Ian Lance Taylor  <iant@google.com>
6268
6269         PR 10843
6270         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6271         if the input symbol index is 0, make the output symbol index 0.
6272
6273 2009-12-30  Ian Lance Taylor  <iant@google.com>
6274
6275         PR 10670
6276         * options.h (class General_options): Add -x/--discard-all.
6277         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6278         --discard-all.  If the local symbol needs a dynamic entry, check
6279         that before handling --discard-locals.
6280
6281 2009-12-30  Ian Lance Taylor  <iant@google.com>
6282
6283         PR 10450
6284         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6285         flags to PF_R.
6286         (Output_segment::add_output_section): Don't change the flags if
6287         the type is PT_TLS.
6288
6289         PR 10450
6290         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6291         GNU hash table if they need a dynamic value.  Otherwise, don't add
6292         them if they are defined in a dynamic object or are forced local.
6293
6294 2009-12-29  Ian Lance Taylor  <iant@google.com>
6295
6296         PR 10450
6297         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6298         .gnu.hash table for a 32-bit target.
6299
6300         PR 10450
6301         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6302         regular and a dynamic object only needs a dynamic symbol table
6303         entry if it is externally visible.
6304
6305         PR 10450
6306         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6307         constructor.  Add global_offset_table_ field.
6308         (Target_i386::got_section): Set global_offset_table_.
6309         (Target_i386::do_finalize_sections): Set global_offset_table_
6310         size.
6311         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6312         in constructor.  Add global_offset_table_ field.
6313         (Target_x86_64::got_section): Set global_offset_table_.
6314         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6315         size.
6316
6317         * layout.cc (Layout::Layout): Initialize increase_relro_.
6318         (Layout::get_output_section): Add is_relro, is_last_relro, and
6319         is_first_non_relro parameters.  Change all callers.
6320         (Layout::choose_output_section): Likewise.
6321         (Layout::add_output_section_data): Likewise.
6322         (Layout::make_output_section): Likewise.
6323         (Layout::set_segment_offsets): Clear increase_relro when using a
6324         linker script.
6325         * layout.h (class Layout): Add increase_relro method.  Add
6326         increase_relro_ field.  Update declarations.
6327         * output.cc (Output_section::Output_section): Initialize
6328         is_last_relro_ and is_first_non_relro_.
6329         (Output_segment::add_output_section): Group relro sections is
6330         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6331         (Output_segment::maximum_alignment): Remove relro handling.
6332         (Output_segment::set_section_addresses): Add increase_relro
6333         parameter.  Change all callers.  Add initial alignment to align
6334         relro sections on separate page.  Remove old relro handling.
6335         (Output_segment::set_section_list_addresses): Remove in_relro
6336         parameter.  Change all callers.
6337         (Output_segment::set_offset): Add increase parameter.  Change all
6338         callers.  Remove old relro handling.
6339         * output.h (class Output_section): Add new methods: is_last_relro,
6340         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6341         Add is_last_relro_ and is_first_non_relro_ fields.
6342         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6343         Create separate .got.plt section.  Call increase_relro.
6344         * x86_64.cc (Target_x86_64::got_section): Likewise.
6345         * testsuite/relro_script_test.t: Add .got.plt.
6346
6347         PR 10450
6348         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6349         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6350         (Layout::finalize): Call set_dynamic_symbol_size.
6351         (Layout::set_dynamic_symbol_size): New function.
6352         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6353         set_dynamic_symbol_size.
6354
6355         PR 10450
6356         * output.h (class Output_section): Add is_entsize_zero_ field.
6357         * output.cc (Output_section::Output_section): Initialize
6358         is_entsize_zero_.
6359         (Output_section::set_entsize): If two different entsizes are
6360         requested, force it to zero.
6361         (Output_section::add_input_section): Set flags for .debug_str
6362         before updating section flags.  Set entsize.
6363         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6364         and SHF_STRING if all input sections have those flags.
6365
6366 2009-12-29   Rafael Espindola  <espindola@google.com>
6367
6368         * main.cc (main): Fix the sys time reporting.
6369         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6370         reporting.
6371
6372 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6373
6374         * options.cc (General_options::parse_version): Allow -v to exit
6375         without an error if there is nothing to link.
6376
6377 2009-12-29  Ian Lance Taylor  <iant@google.com>
6378
6379         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6380         using a version of gcc before 4.1.
6381         * configure: Rebuild.
6382
6383 2009-12-28  Chris Demetriou  <cgd@google.com>
6384
6385         * attributes.cc (Output_attributes_section_data::do_write): Use
6386         std::vector::front rather than std::vector::data.
6387
6388 2009-12-28  Ian Lance Taylor  <iant@google.com>
6389
6390         * symtab.h (class Symbol_table): Add enum Defined.
6391         * resolve.cc (Symbol_table::should_override): Add defined
6392         parameter.  Change all callers.  Test whether object is NULL
6393         before calling a method on it.
6394         (Symbol_table::report_resolve_problem): Add defined parameter.
6395         Change all callers.
6396         (Symbol_table::should_override_with_special): Likewise.
6397         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6398         parameter.  Change all callers.
6399         (Symbol_table::do_define_in_output_data): Likewise.
6400         (Symbol_table::define_in_output_segment): Likewise.
6401         (Symbol_table::do_define_in_output_segment): Likewise.
6402         (Symbol_table::define_as_constant): Likewise.
6403         (Symbol_table::do_define_as_constant): Likewise.
6404         * script.h (class Symbol_assignment): Add is_defsym parameter to
6405         constructor; change all callers.
6406         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6407         parameter.  Change all callers.  Add is_defsym_ field.
6408         (class Parser_closure): Add parsing_defsym parameter to
6409         constructor; change all callers.  Add parsing_defsym accessor
6410         function.  Add parsing_defsym_ field.
6411
6412 2009-12-28  Ian Lance Taylor  <iant@google.com>
6413
6414         * gold.cc (queue_middle_tasks): Fix formatting.
6415         * object.cc (Relobj::is_section_name_included): Likewise.
6416
6417 2009-12-23  Ian Lance Taylor  <iant@google.com>
6418
6419         * i386.cc (Target_i386::do_calls_non_split): Recognize
6420         -fsplit-stack prologue for a function with a static chain.
6421         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6422         -fsplit-stack prologue when using %r11.
6423
6424 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6425
6426         * options.cc (General_options::parse_version): Make -v continue and do
6427         the link like GNU ld does.
6428
6429 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6430
6431         * Makefile.am (CCFILES): Add timer.cc.
6432         (HFILES): Add timer.h.
6433         * configure.ac: Check for sysconf and times.
6434         * main.cc: include timer.h.
6435         (main): Use Timer instead of get_run_time.
6436         * timer.cc: New.
6437         * timer.h: New.
6438         * workqueue.cc: include timer.h.
6439         (Workqueue::find_and_run_task):
6440         Report user, sys and wall time.
6441         * Makefile.in: Regenerate.
6442         * config.in: Regenerate.
6443         * configure: Regenerate.
6444
6445 2009-12-16  Doug Kwan  <dougkwan@google.com>
6446
6447         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6448         sections.
6449         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6450         relaxed input sections.
6451         * output.cc (Output_section::find_relaxed_input_section): Change
6452         return type to Output_relaxed_input_section pointer.  Adjust code
6453         for new type of relaxed_input_section_map_.
6454         * output.h (Output_section::find_relaxed_input_section): Change
6455         return type to Output_relaxed_input_section pointer.
6456         (Output_section::Output_relaxed_input_section_by_input_section_map):
6457         New type.
6458         (Output_section::relaxed_input_section_map_): Change type to
6459         Output_section::Output_relaxed_input_section_by_input_section_map.
6460         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6461         input section.
6462
6463 2009-12-15  Ian Lance Taylor  <iant@google.com>
6464
6465         * layout.cc (Layout::create_shstrtab): Only write out after input
6466         sections if we are compressing debug sections.
6467
6468 2009-12-15  Ian Lance Taylor  <iant@google.com>
6469
6470         * archive.cc (Archive::add_symbols): Only look up a symbol without
6471         a version if there is, in fact, a version.
6472
6473 2009-12-14  Ian Lance Taylor  <iant@google.com>
6474
6475         Revert -Wshadow changes, all changes from:
6476         2009-12-11  Doug Kwan  <dougkwan@google.com>
6477         2009-12-11  Nick Clifton  <nickc@redhat.com>
6478         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6479
6480 2009-12-11  Doug Kwan  <dougkwan@google.com>
6481
6482         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6483         due to -Wshadow.
6484         * attributes.cc (Object_attribute::size): Ditto.
6485         (Attributes_section_data::size): Ditto.
6486         (Attributes_section_data::Attributes_section_data): Ditto.
6487         (Output_attributes_section_data::do_write): Ditto.
6488         * attributes.h (Object_attribute::set_type): Ditto.
6489         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6490
6491 2009-12-11  Nick Clifton  <nickc@redhat.com>
6492
6493         * archive.cc: Fix shadowed variable warnings.
6494         * arm.cc: Likewise.
6495         * compressed_output.cc: Likewise.
6496         * compressed_output.h: Likewise.
6497         * configure: Likewise.
6498         * dwarf_reader.cc: Likewise.
6499         * dynobj.cc: Likewise.
6500         * dynobj.h: Likewise.
6501         * ehframe.cc: Likewise.
6502         * ehframe.h: Likewise.
6503         * errors.cc: Likewise.
6504         * expression.cc: Likewise.
6505         * fileread.cc: Likewise.
6506         * fileread.h: Likewise.
6507         * freebsd.h: Likewise.
6508         * i386.cc: Likewise.
6509         * icf.cc: Likewise.
6510         * incremental.h: Likewise.
6511         * layout.cc: Likewise.
6512         * layout.h: Likewise.
6513         * mapfile.cc: Likewise.
6514         * merge.cc: Likewise.
6515         * merge.h: Likewise.
6516         * object.cc: Likewise.
6517         * object.h: Likewise.
6518         * options.h: Likewise.
6519         * output.cc: Likewise.
6520         * output.h: Likewise.
6521         * parameters.cc: Likewise.
6522         * plugin.cc: Likewise.
6523         * powerpc.cc: Likewise.
6524         * reduced_debug_output.cc: Likewise.
6525         * reduced_debug_output.h: Likewise.
6526         * reloc.cc: Likewise.
6527         * reloc.h: Likewise.
6528         * resolve.cc: Likewise.
6529         * script-sections.cc: Likewise.
6530         * script.cc: Likewise.
6531         * script.h: Likewise.
6532         * sparc.cc: Likewise.
6533         * symtab.cc: Likewise.
6534         * symtab.h: Likewise.
6535         * target-select.cc: Likewise.
6536         * target-select.h: Likewise.
6537         * token.h: Likewise.
6538         * workqueue.cc: Likewise.
6539         * workqueue.h: Likewise.
6540         * x86_64.cc: Likewise.
6541
6542 2009-12-10  Doug Kwan  <dougkwan@google.com>
6543
6544         * arm.cc (attributes.h): New include.
6545         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6546         (Arm_relobj::~Arm_relobj): Delete object pointed by
6547         attributes_section_data_.
6548         (Arm_relobj::attributes_section_data): New method definition.
6549         (Arm_relobj::attributes_section_data_): New data member declaration.
6550         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6551         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6552         attributes_section_data_.
6553         (Arm_dynobj::attributes_section_data): New method definition.
6554         (Arm_dynobj::attributes_section_data_): New data member declaration.
6555         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6556         initialization value of may_use_blx_ to false.
6557         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6558         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6559         object attributes to compute results instead of hard-coding.
6560         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6561         Target_arm::get_secondary_compatible_arch,
6562         Target_arm::set_secondary_compatible_arch
6563         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6564         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6565         New method declarations.
6566         (Target_arm::get_aeabi_object_attribute): New method definition.
6567         (Target_arm::attributes_section_data_): New data member declaration.
6568         (read_arm_attributes_section): New template definition.
6569         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6570         (Arm_dynobj::do_read_symbols): Ditto.
6571         (Target_arm::do_finalize_sections): Merge attributes sections from
6572         input.  Check for BLX use after attributes section merging.
6573         Fix __exidx_start and __exidx_end visibility.  Create an
6574         .ARM.attributes section if necessary.
6575         (Target_arm::get_secondary_compatible_arch,
6576         Target_arm::set_secondary_compatible_arch,
6577         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6578         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6579         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6580         New method definitions.
6581
6582 2009-12-09  Ian Lance Taylor  <iant@google.com>
6583
6584         * plugin.cc (Plugin::load): Don't cast from void* to a function
6585         pointer.
6586
6587 2009-12-09  Ian Lance Taylor  <iant@google.com>
6588
6589         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6590         information fields.
6591
6592 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6593
6594         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6595         Replace two_file_shared_1.so with two_file_shared_2.so.
6596         * testsuite/Makefile.in: Regenerated.
6597
6598 2009-12-08  Doug Kwan  <dougkwan@google.com>
6599
6600         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6601         (HFILES): Add attributes.h and int_encoding.h.
6602         * Makefile.in: Regenerate.
6603         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6604         function definitions to int_encoding.cc
6605         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6606         prototypes to int_encoding.h
6607         * reduced_debug_output.cc (int_encoding.h): New include.
6608         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6609         function definitions to int_encoding.cc
6610         (insert_into_vector, read_from_pointer): Move template definitions to
6611         int_encoding.h
6612         * attributes.cc: New file.
6613         * attributes.h: New file.
6614         * int_encoding.cc: New file.
6615         * int_encoding.h: New file.
6616
6617 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6618
6619         PR gold/11055
6620         * incremental-dump.cc (dump_incremental_inputs): New.
6621         (main): Use dump_incremental_inputs.
6622
6623 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6624
6625         PR gold/10893
6626         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6627         checking elfcpp::STT_FUNC.
6628         (Target_i386::Relocate::relocate): Likewise.
6629         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6630
6631         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6632         symbols from shared libraries into normal FUNC symbols.
6633
6634         * symtab.h (Symbol): Add is_func and use it.
6635
6636 2009-12-05  Doug Kwan  <dougkwan@google.com>
6637
6638         * arm.cc (Target_arm::arm_info): Initialize new fields
6639         attributes_section and attributes_vendor.
6640         * i386.cc (Target_i386::i386_info): Same.
6641         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6642         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6643         fields attributes_section and attributes_vendor.
6644         * sparc.cc (Target_sparc::sparc_info): Same.
6645         * target.h (Target::attributes_section, Target::attributes_vendor,
6646         Target::is_attributes_section, Target::attribute_arg_type,
6647         Target::attributes_order): New method definitions.
6648         (Target::Target_info::attributes_section,
6649         Target::Target_info::attributes_vendor): New fields.
6650         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6651         virtual method definitions.
6652         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6653         attributes_section and attributes_vendor.
6654         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6655
6656 2009-12-05  Doug Kwan  <dougkwan@google.com>
6657
6658         * arm.cc: Update comments about interworking and stub generation.
6659         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6660         considered as non-PIC.
6661         (Arm_relocate_functions::base_abs): Fix formatting.
6662         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6663         of function to use GOT entry address instead of offset.
6664         (Target_arm::Scan::global): Issue an error if a symbol would need a
6665         PLT does not get one because it is untyped.  Remove code to create
6666         dynamic symbols for relative branches.
6667         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6668         takes unsigned integer instead of boolean.
6669
6670 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6671
6672         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6673         (two_file_test_LDADD): Likewise.
6674         (common_test_1_LDADD): Likewise.
6675         (exception_test_LDADD) Likewise.
6676         (weak_test_LDADD): Likewise.
6677         (many_sections_test_LDADD): Likewise.
6678         (initpri1_LDADD): Likewise.
6679         (script_test_1_LDADD): Likewise.
6680         (script_test_2_LDADD): Likewise.
6681         (justsyms_LDADD): Likewise.
6682         (binary_test_LDADD): Likewise.
6683         (large_LDADD): Likewise.
6684         * testsuite/Makefile.in: Regenerated.
6685
6686 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6687
6688         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6689         (Symbol_table::override_with_special): Likewise.
6690         (Symbol_table::add_from_object): Likewise.
6691
6692 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6693
6694         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6695         Don't set the data_offset twice.
6696
6697 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6698
6699         * testsuite/Makefile.in: Regenerate.
6700
6701 2009-12-03  Doug Kwan  <dougkwan@google.com>
6702
6703         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6704         (Target_arm::do_finalize_sections): Add parameter for symbol table
6705         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6706         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6707         parameter for symbol table pointer.
6708         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6709         an additional parameter for a pointer to symbol table.
6710         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6711         parameter for a symbol table pointer.
6712         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6713         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6714         Ditto.
6715         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6716         parameter for a symbol table pointer.
6717
6718 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6719
6720         * incremental.cc (Incremental_inputs_header)
6721         (Incremental_inputs_header_write, Incremental_inputs_entry)
6722         (Incremental_inputs_entry_write): Move ...
6723         * incremental.h (Incremental_inputs_header)
6724         (Incremental_inputs_header_write, Incremental_inputs_entry)
6725         (Incremental_inputs_entry_write): here.
6726
6727 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6728
6729         * incremental.cc (make_sized_incremental_binary): Set the target.
6730         Error if it is incompatible.
6731         * output.h (Output_file): Add filename method.
6732
6733 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6734
6735         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6736         from the get_* methods.
6737
6738 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6739
6740         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6741         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6742         Write 0 for the data_offset of scripts.
6743
6744 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6745
6746         * testsuite/Makefile.am: Add the incremental_test.sh test.
6747         * testsuite/incremental_test.sh: New.
6748         * testsuite/incremental_test_1.c: New.
6749         * testsuite/incremental_test_2.c: New.
6750
6751 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6752
6753        * incremental-dump.cc (main): Fix typos.
6754
6755 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6756
6757         PR gold/11025
6758         * incremental-dump.cc (main): Use llu to print 64 bit values.
6759
6760 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6761             H.J. Lu  <hongjiu.lu@intel.com>
6762
6763         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6764         $(LIBDL).
6765         (incremental_dump_LDADD): Likewise.
6766         * Makefile.in: Regenerated.
6767
6768 2009-11-25  Doug Kwan  <dougkwan@google.com>
6769
6770         Revert:
6771
6772         2009-11-25  Doug Kwan  <dougkwan@google.com>
6773
6774                 * arm.cc (Target_arm::Target_arm): Move method definition
6775                 outside of class definition.  Add code to handle
6776                 --target1-rel, --target1-abs and --target2= options.
6777                 (Target_arm::get_reloc_reloc_type): Change method to be
6778                 non-static and const.
6779                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6780                 New data member declaration.
6781                 (Target_arm::Scan::local, Target_arm::Scan::global,
6782                 Target_arm::Relocate::relocate,
6783                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6784                 Adjust call to Target_arm::get_real_reloc_type.
6785                 (Target_arm::get_real_reloc_type): Use command line options
6786                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6787                 * options.h (--target1-rel, --target1-abs, --target2): New
6788                 ARM-only options.
6789
6790 2009-11-25  Doug Kwan  <dougkwan@google.com>
6791
6792         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6793         class definition.  Add code to handle --target1-rel, --target1-abs
6794         and --target2= options.
6795         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6796         and const.
6797         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6798         member declaration.
6799         (Target_arm::Scan::local, Target_arm::Scan::global,
6800         Target_arm::Relocate::relocate,
6801         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6802         call to Target_arm::get_real_reloc_type.
6803         (Target_arm::get_real_reloc_type): Use command line options to
6804         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6805         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6806         options.
6807
6808 2009-11-25  Doug Kwan  <dougkwan@google.com>
6809
6810         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6811         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6812         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6813         formatting.
6814         (Arm_relocate_functions::thm_call): Replace body with a call to
6815         Arm_relocate_functions::thumb_branch_common.
6816         (Arm_relocate_functions::thm_jump24,
6817         Arm_relocate_functions::thm_xpc22): New method definitions.
6818         (Arm_relocate_functions::thumb_branch_common): New method definition.
6819         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6820         operator.
6821         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6822         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6823
6824 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6825
6826         * Makefile.am: Build incremental-dump
6827         * Makefile.in: Regenerate.
6828         * incremental-dump.cc: New.
6829         * incremental.cc (Incremental_inputs_header_data,
6830         Incremental_inputs_entry_data): Move to incremental.h
6831         * incremental.h: (Incremental_inputs_header_data,
6832         Incremental_inputs_entry_data): Move from incremental.cc
6833
6834 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6835
6836         * incremental.cc (Incremental_inputs_header,
6837         Incremental_inputs_header_write, Incremental_inputs_entry,
6838         Incremental_inputs_entry_write): Add a typedef with the data type.
6839
6840 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6841
6842         * incremental.cc (Incremental_inputs_header,
6843         Incremental_inputs_header_write, Incremental_inputs_entry,
6844         Incremental_inputs_entry_write): Update comment about which
6845         type has the filed descriptions.
6846
6847 2009-11-15  Doug Kwan  <dougkwan@google.com>
6848
6849         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6850         (Arm_relocate_functions::arm_branch_common): Change method defintion
6851         in class definition to a method declaration and update list of formal
6852         parameters.
6853         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6854         Arm_relocation_functions::jump24): Adjust call to
6855         Arm_relocate_functions::arm_branch_common.  Update list of formal
6856         parameters.
6857         (Arm_relocate_functions::xpc25): New method definition.
6858         (Arm_relocate_functions::arm_branch_common): Move method defintion
6859         out from class definition.  Use stubs for mode-switching and extending
6860         branch ranges.
6861         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6862         specially.  Change code to enable use of stubs in ARM branches.
6863
6864 2009-11-10  Doug Kwan  <dougkwan@google.com>
6865
6866         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6867         in method declaration.
6868         (Target_arm::relocate_stub): New method declaration.
6869         (Target_arm::default_target): Change to return a pointer instead of
6870         a const reference.
6871         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6872         Target_arm::default_target.
6873         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6874         method definition.
6875         (Target_arm::relocate_section): Adjust view.
6876         (Target_arm::relocate_stub): New method definition.
6877
6878 2009-11-10  Doug Kwan  <dougkwan@google.com>
6879
6880         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6881         a format warning.
6882         * incremental.cc (open_incremental_binary): Initialized local
6883         variables to avoid warnings.
6884         * object.cc (make_elf_object): Ditto.
6885         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6886         a format warning.
6887
6888 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6889
6890         PR gold/10930
6891         * testsuite/plugin_test.c: Include "config.h".
6892
6893 2009-11-09  Doug Kwan  <dougkwan@google.com>
6894
6895         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6896         (arm_symbol_value): Remove.
6897         (Arm_relocate_functions::arm_branch_common,
6898         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6899         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6900         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6901         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6902         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6903         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6904         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6905         Arm_relocate_functions::thm_mobw_abs_nc,
6906         Arm_relocate_functions::thm_mov_abs,
6907         Arm_relocate_functions::movw_prel_nc,
6908         Arm_relocate_functions::thm_movt_abs,
6909         Arm_relocate_functions::movt_prel,
6910         Arm_relocate_functions::thm_movw_prel_nc,
6911         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6912         (Target_arm::Relocate::relocate): Only decompose address into two
6913         parts if relocation type uses the thumb-bit and pass the actual
6914         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6915         calls to methods in Arm_relocate_functions for this change.
6916
6917 2009-11-08  Ian Lance Taylor  <iant@google.com>
6918
6919         PR 10925
6920         * reloc.cc: Instantiate
6921         Sized_relobj::initialize_input_to_output_maps and
6922         Sized_relobj:free_input_to_output_maps.
6923
6924 2009-11-06  Ian Lance Taylor  <iant@google.com>
6925
6926         PR 10876
6927         * defstd.cc (in_segment): Set only_if_ref true for "end".
6928
6929 2009-11-06  Doug Kwan  <dougkwan@google.com>
6930
6931         * arm.cc (class Reloc_stub): Correct a comment.
6932         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6933         (Target_arm::scan_section_for_stubs): New method declaration.
6934         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6935         Change methods from private to protected.
6936         (Target_arm::do_may_relax): New method definition.
6937         (Target_arm::do_relax, Target_arm::group_sections,
6938         Target_arm::scan_reloc_for_stub,
6939         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6940         (Target_arm::arm_input_section_map_): New data member declaration.
6941         (Target_arm::scan_reloc_for_stub,
6942         Target_arm::scan_reloc_section_for_stubs,
6943         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6944         Target_arm::do_relax): New method definitions.
6945
6946 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6947
6948         * configure.ac: Check for (struct stat)::st_mtim
6949         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6950         * config.in: Regenerate.
6951         * configure: Regenerate.
6952
6953 2009-11-05  Ian Lance Taylor  <iant@google.com>
6954
6955         PR 10910
6956         * output.cc (Output_segment::add_output_section): Add missing
6957         return statement.
6958
6959 2009-11-04  Ian Lance Taylor  <iant@google.com>
6960
6961         PR 10880
6962         * object.h (class Object): Add is_needed and set_is_needed
6963         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6964         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6965         defined in a dynamic object and referenced by a regular object,
6966         set is_needed for the dynamic object.
6967         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6968         if the file is marked with as_needed and it is not needed.
6969
6970 2009-11-04  Ian Lance Taylor  <iant@google.com>
6971
6972         PR 10887
6973         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6974         tags if data is discarded by linker script.
6975         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6976         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6977         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6978         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6979
6980 2009-11-04  Ian Lance Taylor  <iant@google.com>
6981
6982         * layout.cc (Layout::get_output_section): Add is_interp and
6983         is_dynamic_linker_section parameters.  Change all callers.
6984         (Layout::choose_output_section): Likewise.
6985         (Layout::make_output_section): Likewise.
6986         (Layout::add_output_section_data): Add is_dynamic_linker_section
6987         parameter.  Change all callers.
6988         * layout.h (class Layout): Update declarations.
6989         * output.h (class Output_section): Add is_interp, set_is_interp,
6990         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6991         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6992         generate_code_fills_at_write_ to a bitfield.
6993         * output.cc (Output_section::Output_sections): Initialize new
6994         fields.
6995         (Output_segment::add_output_section): Add do_sort parameter.
6996         Change all callers.
6997
6998 2009-11-03  Ian Lance Taylor  <iant@google.com>
6999
7000         PR 10860
7001         * options.h (class General_options): Add --warn-common.
7002         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7003         merging two common symbols.
7004         (Symbol_table::should_override): Handle --warn-common when merging
7005         a common symbol with a defined symbol.  Use report_resolve_problem
7006         for multiple definitions.
7007         (Symbol_table::report_resolve_problem): New function.
7008         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7009
7010 2009-11-03  Doug Kwan  <dougkwan@google.com>
7011
7012         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7013         stub_factory_.
7014         (Target_arm::stub_factory): New method definition.
7015         (Target_arm::new_arm_input_section,
7016         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7017         Target_arm::reloc_uses_thumb_bit): New method declarations.
7018         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7019         New type definitions.
7020         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7021         member declarations.
7022         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7023         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7024         New method definitions.
7025
7026 2009-11-03  Ian Lance Taylor  <iant@google.com>
7027
7028         * options.h (class General_options): Add --warn_constructors.
7029
7030 2009-11-03  Ian Lance Taylor  <iant@google.com>
7031
7032         PR 10893
7033         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7034         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7035
7036 2009-11-03  Ian Lance Taylor  <iant@google.com>
7037
7038         PR 10895
7039         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7040         --msgid-bugs-address.
7041         (install-pdf): New target.
7042         (install-data_yes): Look up one directory to find mkinstalldirs.
7043
7044 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7045
7046         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7047         tree.
7048
7049 2009-10-30  Doug Kwan  <dougkwan@google.com>
7050
7051         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7052
7053 2009-10-30  Doug Kwan  <dougkwan@google.com>
7054
7055         * arm.cc (Stub_addend_reader): New struct template definition
7056         and partial specializations.
7057         (Stub_addend_reader::operator()): New method definition for a
7058         partially specialized template.
7059
7060 2009-10-30  Doug Kwan  <dougkwan@google.com>
7061
7062         * arm.cc (Arm_relobj::processor_specific_flags): New method
7063         definition.
7064         (Arm_relobj::do_read_symbols): New method declaration.
7065         (Arm_relobj::processor_specific_flags_): New data member declaration.
7066         (Arm_dynobj): New class definition.
7067         (Target_arm::do_finalize_sections): Add input_objects parameter.
7068         (Target_arm::do_adjust_elf_header): New method declaration.
7069         (Target_arm::are_eabi_versions_compatible,
7070         (Target_arm::merge_processor_specific_flags): New method declaration.
7071         (Target_arm::do_make_elf_object): New overloaded method definitions
7072         and declaration.
7073         (Arm_relobj::do_read_symbols): New method definition.
7074         (Arm_dynobj::do_read_symbols): Ditto.
7075         (Target_arm::do_finalize_sections): Add input_objects parameters.
7076         Merge processor-specific flags from all input objects.
7077         (Target_arm::are_eabi_versions_compatible,
7078         Target_arm::merge_processor_specific_flags,
7079         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7080         New method definitions.
7081         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7082         Input_objects pointer type parameter.
7083         * layout.cc (Layout::finalize): Pass input objects to target's.
7084         finalize_sections function.
7085         * output.cc (Output_file_header::do_sized_write): Set ELF file
7086         header's processor-specific flags.
7087         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7088         Input_objects pointer type parameter.
7089         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7090         * target.h (Input_objects): New forward class declaration.
7091         (Target::processor_specific_flags,
7092         Target::are_processor_specific_flags_sect): New method definitions.
7093         (Target::finalize_sections): Add input_objects parameter.
7094         (Target::Target): Initialize processor_specific_flags_ and
7095         are_processor_specific_flags_set_.
7096         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7097         parameter.
7098         (Target::set_processor_specific_flags): New method definition.
7099         (Target::processor_specific_flags_,
7100         Target::are_processor_specific_flags_set_): New data member
7101         declarations.
7102         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7103         Input_objects pointer type parameter.
7104
7105 2009-10-30  Doug Kwan  <dougkwan@google.com>
7106
7107         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7108
7109 2009-10-28  Ian Lance Taylor  <iant@google.com>
7110
7111         * object.h (class Relobj): Drop options parameter from
7112         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7113         do_scan_relocs, do_relocate.  Change all callers.
7114         (class Sized_relobj): Drop options parameters from
7115         do_gc_process_relocs, do_scan_relocs, do_relocate,
7116         do_relocate_sections, relocate_sections, emit_relocs_scan,
7117         emit_relocs_scan_reltype.  Change all callers.
7118         (struct Relocate_info): Remove options field and all references to
7119         it.
7120         * reloc.h (class Read_relocs): Remove options constructor
7121         parameter and options_ field.  Change all callers.
7122         (class Gc_process_relocs, class Scan_relocs): Likewise.
7123         (class Relocate_task): Likewise.
7124         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7125         all callers.
7126         (scan_relocatable_relocs): Likewise.
7127         * target.h (class Sized_target): Remove options parameter from
7128         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7129         all callers.
7130         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7131         callers.
7132         * arm.cc: Update functions to remove options parameters.
7133         * i386.cc: Likewise.
7134         * powerpc.cc: Likewise.
7135         * sparc.cc: Likewise.
7136         * x86_64.cc: Likewise.
7137         * testsuite/testfile.cc: Likewise.
7138
7139 2009-10-28  Doug Kwan  <dougkwan@google.com>
7140
7141         * arm.cc (Arm_relobj): New class definition.
7142         (Arm_relobj::scan_sections_for_stubs,
7143         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7144         New method definitions.
7145
7146 2009-10-28  Cary Coutant  <ccoutant@google.com>
7147
7148         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7149         (Plugin::cleanup_done_): New member.
7150         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7151         (Plugin_manager::cleanup_done_): Remove.
7152         (Plugin_manager::add_input_file): Edit error message.
7153         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7154         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7155
7156 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7157
7158         * fileread.cc: (File_read::View::~View): Use the new
7159         data_ownership_ filed.
7160         (File_read::~File_read): Dispose the new whole_file_view_.
7161         (File_read::open): Mmap the whole file if needed.
7162         (File_read::open): Use whole_file_view_ instead of contents_.
7163         (File_read::find_view): Use whole_file_view_ if applicable.
7164         (File_read::do_read): Use whole_file_view_ instead of contents_.
7165         (File_read::make_view): Use whole_file_view_ instead of contents_,
7166         update File_read::View::View call.
7167         (File_read::find_or_make_view): Update File_read::View::View
7168         call.
7169         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7170         remove contents_
7171         (File_read::View::Data_ownership): New enum.
7172         (File_read::View::View): Replace bool mapped_ with Data_ownership
7173         argument.
7174         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7175         (File_read::View::data_ownership_): New field.
7176         (File_read::contents_): Remove (replaced by whole_file_view_).
7177         (File_read::whole_file_view_): New field.
7178         * options.h (class General_options): Add --keep-files-mapped.
7179
7180 2009-10-27  Cary Coutant  <ccoutant@google.com>
7181
7182         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7183         * testsuite/Makefile.am (plugin_test_5): New test case.
7184         * testsuite/Makefile.in: Regenerate.
7185
7186 2009-10-25  Doug Kwan  <dougkwan@google.com>
7187
7188         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7189         from private to protected to allow access by child class.
7190         (Sized_relobj::do_relocate_sections): New method declaration.
7191         (Sized_relobj::relocate_sections): Virtualize.
7192         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7193         Sized_relobj::relocate_sections.  Instantiate template explicitly
7194         for different target sizes and endianity.
7195
7196 2009-10-24  Doug Kwan  <dougkwan@google.com>
7197
7198         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7199         (Arm_input_section::as_arm_input_section): New method.
7200         (Arm_output_section): New class definition.
7201         (Arm_output_section::create_stub_group,
7202         Arm_output_section::group_sections): New method definitions.
7203
7204 2009-10-22  Doug Kwan  <dougkwan@google.com>
7205
7206         * arm.cc (Arm_input_section): New class definition.
7207         (Arm_input_section::init, Arm_input_section:do_write,
7208         Arm_input_section::set_final_data_size,
7209         Arm_input_section::do_reset_address_and_file_offset): New method
7210         definitions.
7211
7212 2009-10-21  Doug Kwan  <dougkwan@google.com>
7213
7214         * arm.cc (Stub_table, Arm_input_section): New forward class
7215         declarations.
7216         (Stub_table): New class defintion.
7217         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7218         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7219         New method definition.
7220
7221 2009-10-21  Doug Kwan  <dougkwan@google.com>
7222
7223         * arm.cc: Update copyright comments.
7224         (Target_arm): New forward class template declaration.
7225         (Arm_address): New type.
7226         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7227         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7228         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7229         constants.
7230         (Insn_template): Same.
7231         (DEF_STUBS): New macro.
7232         (Stub_type): New enum type.
7233         (Stub_template): New class definition.
7234         (Stub): Same.
7235         (Reloc_stub): Same.
7236         (Stub_factory): Same.
7237         (Target_arm::Target_arm): Initialize may_use_blx_ and
7238         should_force_pic_veneer_.
7239         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7240         Target_arm::should_force_pic_veneer,
7241         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7242         Target_arm::using_thumb_only, Target_arm:;default_target): New
7243         method defintions.
7244         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7245         New data member declarations.
7246         (Insn_template::size, Insn_template::alignment): New method defintions.
7247         (Stub_template::Stub_template): New method definition.
7248         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7249         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7250         (Stub_factory::Stub_factory): New method definition.
7251         * gold.h (string_hash): New template.
7252         * output.h (Input_section_specifier::hash_value): Use
7253         gold::string_hash.
7254         (Input_section_specifier::string_hash): Remove.
7255         * stringpool.cc (Stringpool_template::string_hash): Use
7256         gold::string_hash.
7257
7258 2009-10-20  Doug Kwan  <dougkwan@google.com>
7259
7260         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7261         symbols of relaxed input sections.
7262         * output.h (Output_section::find_relaxed_input_section): Make
7263         method public.
7264
7265 2009-10-16  Doug Kwan  <dougkwan@google.com>
7266
7267         * dynobj.cc (Versions::Versions): Initialize version_script_.
7268         Only insert base version symbol definition for a shared object
7269         if version script defines any version versions.
7270         (Versions::define_base_version): New method definition.
7271         (Versions::add_def): Check that base version is not needed.
7272         (Versions::add_need): Define base version lazily.
7273         * dynobj.h (Versions::define_base_version): New method declaration.
7274         (Versions::needs_base_version_): New data member declaration.
7275         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7276         (check_DATA): Add no_version_test.stdout.
7277         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7278         New make rules.
7279         * testsuite/Makefile.in: Regenerate.
7280         * testsuite/no_version_test.c: New file.
7281         * testsuite/no_version_test.sh: Ditto.
7282
7283 2009-10-16  Doug Kwan  <dougkwan@google.com>
7284
7285         * expression.cc (class Segment_start_expression): New class definition.
7286         (Segment_start_expression::value): New method definition.
7287         (script_exp_function_segment_start): Return a new
7288         Segment_start_expression.
7289         * gold/script-c.h (script_saw_segment_start_expression): New function
7290         prototype.
7291         * script-sections.cc (Script_sections::Script_sections): Initialize
7292         SAW_SEGMENT_START_EXPRESSION_ to false.
7293         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7294         and -Tbbs options to specify section addresses if given in
7295         command line and no SEGMENT_START expression is seen in a script.
7296         * script-sections.h (Script_sections::saw_segment_start_expression,
7297         Script_sections::set_saw_segment_start_expression): New method
7298         definition.
7299         (Script_sections::saw_segment_start_expression_): New data member
7300         declaration.
7301         * script.cc (script_saw_segment_start_expression): New function.
7302         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7303         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7304         script_test_7.sh and script_test_8.sh.
7305         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7306         script_test_8.stdout.
7307         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7308         (script_test_6, script_test_6.stdout, script_test_7,
7309         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7310         * Makefile.in: Regenerate.
7311         * testsuite/script_test_6.sh: New file.
7312         * testsuite/script_test_6.t: Same.
7313         * testsuite/script_test_7.sh: Same.
7314         * testsuite/script_test_7.t: Same.
7315         * testsuite/script_test_8.sh: Same.
7316
7317 2009-10-16  Doug Kwan  <dougkwan@google.com>
7318
7319         * output.cc (Output_segment::set_section_list_address): Cast
7320         expressions to unsigned long long type to avoid format warnings.
7321
7322 2009-10-15  Ian Lance Taylor  <iant@google.com>
7323
7324         * script.cc (Script_options::add_symbol_assignment): Always add a
7325         dot assignment to script_sections_.
7326         * script-sections.cc (Script_sections::add_dot_assignment):
7327         Initialize if necessary.
7328
7329         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7330         program headers with no load segment if there is a linker script.
7331
7332         * layout.cc (Layout::set_segment_offsets): Align the file offset
7333         to the segment aligment for -N or -n with no load segment.
7334         * output.cc (Output_segment::add_output_section): Don't crash if
7335         the first section is a TLS section.
7336         (Output_segment::set_section_list_addresses): Print an error
7337         message if the address moves backward in a linker script.
7338         * script-sections.cc
7339         (Output_section_element_input::set_section_addresses): Don't
7340         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7341         (Orphan_output_section::set_section_addresses): Likewise.
7342
7343 2009-10-15  Doug Kwan  <dougkwan@google.com>
7344
7345         * layout.cc (Layout::finish_dynamic_section): Generate tags
7346         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7347         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7348         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7349
7350 2009-10-14  Ian Lance Taylor  <iant@google.com>
7351
7352         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7353         fields.
7354         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7355         data_shdr fields of relinfo.
7356         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7357         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7358         R_386_TLS_LDO_32, adjust based on section flags.
7359         (Target_i386::Relocate::fix_up_ldo): Remove.
7360
7361 2009-10-13  Ian Lance Taylor  <iant@google.com>
7362
7363         Add support for -pie.
7364         * options.h (class General_options): Add -pie and
7365         --pic-executable.
7366         (General_options::output_is_position_independent): Test -pie.
7367         (General_options::output_is_executable): Return true if not shared
7368         and not relocatable.
7369         (General_options::output_is_pie): Remove.
7370         * options.cc (General_options::finalize): Reject incompatible uses
7371         of -pie.
7372         * gold.cc (queue_middle_tasks): A -pie link is not static.
7373         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7374         * symtab.cc (Symbol::final_value_is_known): Return false if
7375         output_is_position_independent.
7376         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7377         output_is_position_independent.
7378         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7379         output_is_position_independent.
7380         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7381         output_is_position_independent.
7382         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7383         two_file_pie_test.
7384         (basic_pie_test.o, basic_pie_test): New targets.
7385         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7386         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7387         (two_file_pie_test): New target.
7388         * testsuite/Makefile.in: Rebuild.
7389         * README: Remove note saying that -pie is not supported.
7390
7391 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7392
7393         * options.h (class General_options): Add -init and -fini.
7394         * layout.cc (Layout::finish_dynamic_section): Emit
7395         given init and fini functions.
7396
7397 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7398
7399         * gc.h (gc_process_relocs): Check if icf is enabled using new
7400         function.
7401         * gold.cc (queue_initial_tasks): Likewise.
7402         (queue_middle_tasks): Likewise.
7403         * object.cc (do_layout): Likewise.
7404         * symtab.cc (is_section_folded): Likewise.
7405         * main.cc (main): Likewise.
7406         * reloc.cc (Read_relocs::run): Likewise.
7407         (Sized_relobj::do_scan_relocs): Likewise.
7408         * icf.cc (is_function_ctor_or_dtor): New function.
7409         (Icf::find_identical_sections): Check if function is ctor or dtor when
7410         safe icf is chosen.
7411         * options.h (General_options::icf): Change option to be an enum.
7412         (Icf_status): New enum.
7413         (icf_enabled): New method.
7414         (icf_safe_folding): New method.
7415         (set_icf_status): New method.
7416         (icf_status_): New variable.
7417         * (options.cc) (General_options::finalize): Set icf_status_.
7418         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7419         icf_test and icf_keep_unique_test to use the --icf enum flag.
7420         * testsuite/icf_safe_test.sh: New file.
7421         * testsuite/icf_safe_test.cc: New file.
7422
7423 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7424
7425         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7426         includes to gc.h and icf.h.
7427         * arm.cc: Include gc.h.
7428         * gold.cc: Likewise.
7429         * i386.cc: Likewise.
7430         * powerpc.cc: Likewise.
7431         * sparc.cc: Likewise.
7432         * x86_64.cc: Likewise.
7433         * gc.h: Include icf.h.
7434
7435 2009-10-11  Ian Lance Taylor  <iant@google.com>
7436
7437         * plugin.cc: Include "gold.h" before other header files.
7438
7439 2009-10-10  Chris Demetriou  <cgd@google.com>
7440
7441         * options.h (Input_file_argument::Input_file_type): New enum.
7442         (Input_file_argument::is_lib_): Replace with...
7443         (Input_file_argument::type_): New member.
7444         (Input_file_argument::Input_file_argument): Take Input_file_type
7445         'type' rather than boolean 'is_lib' as second argument.
7446         (Input_file_argument::is_lib): Use type_.
7447         (Input_file_argument::is_searched_file): New function.
7448         (Input_file_argument::may_need_search): Handle is_searched_file.
7449         * options.cc (General_options::parse_library): Support -l:filename.
7450         (General_options::parse_just_symbols): Update for Input_file_argument
7451         changes.
7452         (Command_line::process): Likewise.
7453         * archive.cc (Archive::get_file_and_offset): Likewise.
7454         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7455         * script.cc (read_script_file, script_add_file): Likewise.
7456         * fileread.cc (Input_file::Input_file): Likewise.
7457         (Input_file::will_search_for): Handle is_searched_file.
7458         (Input_file::open): Likewise.
7459         * readsyms.cc (Read_symbols::get_name): Likewise.
7460         * testsuite/Makefile.am (searched_file_test): New test.
7461         * testsuite/Makefile.in: Regenerate.
7462         * testsuite/searched_file_test.cc: New file.
7463         * testsuite/searched_file_test_lib.cc: New file.
7464
7465 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7466             Ian Lance Taylor  <iant@google.com>
7467
7468         * descriptor.cc: Include <cstdio> and "binary-io.h".
7469         (Descriptors::open): Open the files in binary mode always.
7470         * script.cc (Lex::get_token): Treat \r as whitespace.
7471
7472 2009-10-09  Ian Lance Taylor  <iant@google.com>
7473
7474         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7475
7476 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7477             Ian Lance Taylor  <iant@google.com>
7478
7479         * configure.ac: Check for readv function also.
7480         * fileread.cc (readv): Define if not HAVE_READV.
7481         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7482         does not exist.
7483         * config.in: Regenerate.
7484         * configure: Regenerate.
7485
7486 2009-10-09  Doug Kwan  <dougkwan@google.com>
7487
7488         * layout.cc (Layout::make_output_section): Call target hook to make
7489         ordinary output section.
7490         (Layout::finalize): Adjust parameter list of call the
7491         Target::may_relax().
7492         * layout.h (class Layout::section_list): New method.
7493         * merge.h (Output_merge_base::entsize): Change visibility to public.
7494         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7495         New methods.
7496         (Output_merge_string::do_is_string): New method.
7497         * object.cc (Sized_relobj::do_setup): renamed from
7498         Sized_relobj::set_up.
7499         * object.h (Sized_relobj::adjust_shndx,
7500         Sized_relobj::initializ_input_to_output_maps,
7501         Sized_relobj::free_input_to_output_maps): Change visibilities to
7502         protected.
7503         (Sized_relobj::setup): Virtualize.
7504         (Sized_relobj::do_setup): New method declaration.
7505         (Sized_relobj::invalidate_section_offset,
7506         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7507         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7508         * options.cc (parse_int): New function.
7509         * options.h (parse_int): New declaration.
7510         (DEFINE_int): New macro.
7511         (stub_group_size): New option.
7512         * output.cc (Output_section::Output_section): Initialize memebers
7513         merge_section_map_, merge_section_by_properties_map_,
7514         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7515         (Output_section::add_input_section): Handled deferred code-fill
7516         generation and remove an old comment.
7517         (Output_section::add_relaxed_input_section): New method definition.
7518         (Output_section::add_merge_input_section): Use merge section by
7519         properties map to speed to search.  Update merge section maps
7520         as appropriate.
7521         (Output_section::build_relaxation_map): New method definition.
7522         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7523         Same.
7524         (Output_section::relax_input_section): Renamed to
7525         Output_section::convert_input_sections_to_relaxed_sections and change
7526         interface to take a vector of pointers to relaxed sections.
7527         (Output_section::find_merge_section,
7528         Output_section::find_relaxed_input_section): New method definitions.
7529         (Output_section::is_input_address_mapped,
7530         Output_section::output_offset, Output_section::output_address):
7531         Use output section data maps to speed up searching.
7532         (Output_section::find_starting_output_address): Add comments.
7533         (Output_section::do_write,
7534         Output_section::write_to_postprocessing_buffer): Do code-fill
7535         generation as appropriate.
7536         (Output_section::get_input_sections): Invalidate relaxed input section
7537         map.
7538         (Output_section::restore_states): Adjust type of checkpoint .
7539         Invalidate relaxed input section map.
7540         * output.h (Output_merge_base): New class declaration.
7541         (Input_section_specifier): New class defintion.
7542         (class Output_relaxed_input_section) Change base class to
7543         Output_section_data_build.
7544         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7545         base class initializer.
7546         (Output_section::add_relaxed_input_section): New method declaration.
7547         (Output_section::Input_section): Change visibility to protected.
7548         (Output_section::Input_section::relobj,
7549         Output_section::Input_section::shndx): Handle relaxed input sections.
7550         Output_section::input_sections) Change visibility to protected.  Also
7551         define overload to return a non-const pointer.
7552         (Output_section::Merge_section_properties): New class defintion.
7553         (Output_section::Merge_section_by_properties_map,
7554         Output_section::Output_section_data_by_input_section_map,
7555         Output_section::Relaxation_map): New types.
7556         (Output_section::relax_input_section): Rename method to
7557         Output_section::convert_input_sections_to_relaxed_sections and change
7558         interface to take a vector of relaxed section pointers.
7559         (Output_section::find_merge_section,
7560         Output_section::find_relaxed_input_section,
7561         Output_section::build_relaxation_map,
7562         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7563         New method declarations.
7564         (Output_section::merge_section_map_
7565         Output_section::merge_section_by_properties_map_,
7566         Output_section::relaxed_input_section_map_,
7567         Output_section::is_relaxed_input_section_map_valid_,
7568         Output_section::generate_code_fills_at_write_): New data members.
7569         * script-sections.cc
7570         (Output_section_element_input::set_section_addresses): Call
7571         current_data_size and addralign methods of relaxed input sections.
7572         (Orphan_output_section::set_section_addresses): Call current_data_size
7573         and addralign methods of relaxed input sections.
7574         * symtab.cc (Symbol_table::compute_final_value): Extract template
7575         from the body of Symbol_table::sized_finalize_symbol.
7576         (Symbol_table::sized_finalized_symbol): Call
7577         Symbol_table::compute_final_value.
7578         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7579         (Symbol_table::compute_final_value): New templated method declaration.
7580         * target.cc (Target::do_make_output_section): New method defintion.
7581         * target.h (Target::make_output_section): New method declaration.
7582         (Target::relax): Add more parameters for input objects, symbol table
7583         and layout.  Adjust call to do_relax.
7584         (Target::do_make_output_section): New method declaration.
7585         (Target::do_relax): Add parameters for input objects, symbol table
7586         and layout.
7587
7588 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7589
7590         * pread.c: Include stdio.h.
7591
7592 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7593
7594         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7595         defined.
7596
7597 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7598
7599         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7600         Change read_shndx type to unsigned int.
7601         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7602         int.
7603         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7604         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7605         Change read_shndx type to unsigned int.
7606         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7607         int.
7608         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7609         * layout.cc (Layout::create_symtab_sections): Cast the result of
7610         local_symcount * symsize to off_t in the gold_assert.
7611
7612 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7613
7614         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7615         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7616         R_ARM_BASE_ABS.
7617         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7618         (Arm_relocate_functions::thm_abs5): New function.
7619         (Arm_relocate_functions::abs12): New function.
7620         (Arm_relocate_functions::abs16): New function.
7621         (Arm_relocate_functions::base_abs): New function.
7622         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7623         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7624         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7625         R_ARM_BASE_ABS.
7626         (Scan::global): Likewise.
7627         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7628         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7629         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7630         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7631         R_ARM_BASE_ABS.
7632
7633 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7634
7635         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7636         (Arm_relocate_functions::movt_prel): New function.
7637         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7638         (Arm_relocate_functions::thm_movt_prel): New function.
7639         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7640         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7641         (Scan::global, Relocate::relocate): Likewise.
7642         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7643
7644 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7645
7646         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7647         Incremental_checker.
7648         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7649         unsigned int.
7650         (class Incremental_inputs_header): New class.
7651         (Incremental_inputs_header_writer): Edit comment.
7652         (Incremental_inputs_entry): New class.
7653         (Incremental_inputs_entry_writer): Edit comment.
7654         (Sized_incremental_binary::do_find_incremental_inputs_section):
7655         Add *strtab_shndx parameter, fill it.
7656         (Sized_incremental_binary::do_check_inputs): New method.
7657         (Incremental_checker::can_incrementally_link_output_file): Use
7658         Sized_incremental_binary::check_inputs.
7659         (Incremental_inputs::report_command_line): Save command line in
7660         command_line_.
7661         * incremental.h:
7662         (Incremental_binary::find_incremental_inputs_section): New
7663         method.
7664         (Incremental_binary::do_find_incremental_inputs_section): Add
7665         strtab_shndx parameter.
7666         (Incremental_binary::do_check_inputs): New pure virtual method.
7667         (Sized_incremental_binary::do_check_inputs): Declare.
7668         (Incremental_checker::Incremental_checker): Add incremental_inputs
7669         parameter, use it to initialize incremental_inputs_.
7670         (Incremental_checker::incremental_inputs_): New field.
7671         (Incremental_checker::command_line): New method.
7672         (Incremental_checker::inputs): New method.
7673         (Incremental_checker::command_line_): New field.
7674
7675 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7676
7677         * incremental.cc: Include <cstdarg> and "target-select.h".
7678         (vexplain_no_incremental): New function.
7679         (explain_no_incremental): New function.
7680         (Incremental_binary::error): New method.
7681         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7682         method.
7683         (make_sized_incremental_binary): New function.
7684         (open_incremental_binary): New function.
7685         (can_incrementally_link_file): Add checks if output is ELF and has
7686         inputs section.
7687         * incremental.h: Include "elfcpp_file.h" and "output.h".
7688         (Incremental_binary): New class.
7689         (Sized_incremental_binary): New class.
7690         (open_incremental_binary): Declare.
7691         * object.cc (is_elf_object): Use
7692         elfcpp::Elf_recognizer::is_elf_file.
7693         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7694         * output.h (Output_file::filesize): New method.
7695
7696 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7697
7698         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7699         New function.
7700         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7701         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7702         function.
7703         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7704         function.
7705         (Arm_relocate_functions::movw_abs_nc): New function.
7706         (Arm_relocate_functions::movt_abs): New function.
7707         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7708         (Arm_relocate_functions::thm_movt_abs): New function.
7709         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7710         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7711         (Scan::global): Likewise.
7712         (Relocate::relocate): Likewise.
7713         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7714
7715 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7716
7717         * arm.cc (Arm_relocate_functions::got_prel) New function.
7718         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7719         (Relocate::relocate): Likewise.
7720         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7721
7722 2009-10-06  Ian Lance Taylor  <iant@google.com>
7723
7724         * options.h (class General_options): Define
7725         split_stack_adjust_size parameter.
7726         * object.h (class Object): Add uses_split_stack_ and
7727         has_no_split_stack_ fields.  Add uses_split_stack and
7728         has_no_split_stack accessor functions.  Declare
7729         handle_split_stack_section.
7730         (class Reloc_symbol_changes): Define.
7731         (class Sized_relobj): Define Function_offsets.  Declare
7732         split_stack_adjust, split_stack_adjust_reltype, and
7733         find_functions.
7734         * object.cc (Object::handle_split_stack_section): New function.
7735         (Sized_relobj::do_layout): Call handle_split_stack_section.
7736         * dynobj.cc (Sized_dynobj::do_layout): Call
7737         handle_split_stack_section.
7738         * reloc.cc (Sized_relobj::relocate_sections): Call
7739         split_stack_adjust for executable sections in split_stack
7740         objects.  Pass reloc_map to relocate_section.
7741         (Sized_relobj::split_stack_adjust): New function.
7742         (Sized_relobj::split_stack_adjust_reltype): New function.
7743         (Sized_relobj::find_functions): New function.
7744         * target-reloc.h: Include "object.h".
7745         (relocate_section): Add reloc_symbol_changes parameter.  Change
7746         all callers.
7747         * target.h (class Target): Add calls_non_split method.  Declare
7748         do_calls_non_split virtual method.  Declare match_view and
7749         set_view_to_nop.
7750         * target.cc: Include "elfcpp.h".
7751         (Target::do_calls_non_split): New function.
7752         (Target::match_view): New function.
7753         (Target::set_view_to_nop): New function.
7754         * gold.cc (queue_middle_tasks): Give an error if mixing
7755         split-stack and non-split-stack objects with -r.
7756         * i386.cc (Target_i386::relocate_section): Add
7757         reloc_symbol_changes parameter.
7758         (Target_i386::do_calls_non_split): New function.
7759         * x86_64.cc (Target_x86_64::relocate_section): Add
7760         reloc_symbol_changes parameter.
7761         (Target_x86_64::do_calls_non_split): New function.
7762         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7763         parameter.
7764         * powerpc.cc (Target_powerpc::relocate_section): Add
7765         reloc_symbol_changes parameter.
7766         * sparc.cc (Target_sparc::relocate_section): Add
7767         reloc_symbol_changes parameter.
7768         * configure.ac: Call AM_CONDITIONAL for the default target.
7769         * configure: Rebuild.
7770         * testsuite/Makefile.am (TEST_AS): New variable.
7771         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7772         (check_DATA): Add split_i386 and split_x86_64 files.
7773         (SPLIT_DEFSYMS): Define.
7774         (split_i386_[1234n].o): New targets.
7775         (split_i386_[124]): New targets.
7776         (split_i386_[1234r].stdout): New targets.
7777         (split_x86_64_[1234n].o): New targets.
7778         (split_x86_64_[124]): New targets.
7779         (split_x86_64_[1234r].stdout): New targets.
7780         (MOSTLYCLEANFILES): Add new executables.
7781         * testsuite/split_i386.sh: New file.
7782         * testsuite/split_x86_64.sh: New file.
7783         * testsuite/split_i386_1.s: New file.
7784         * testsuite/split_i386_2.s: New file.
7785         * testsuite/split_i386_3.s: New file.
7786         * testsuite/split_i386_4.s: New file.
7787         * testsuite/split_i386_n.s: New file.
7788         * testsuite/split_x86_64_1.s: New file.
7789         * testsuite/split_x86_64_2.s: New file.
7790         * testsuite/split_x86_64_3.s: New file.
7791         * testsuite/split_x86_64_4.s: New file.
7792         * testsuite/split_x86_64_n.s: New file.
7793         * testsuite/testfile.cc (Target_test): Update relocation_section
7794         function.
7795         * testsuite/Makefile.in: Rebuild.
7796
7797 2009-10-06  Ian Lance Taylor  <iant@google.com>
7798
7799         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7800         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7801         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7802         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7803         the address on ldo_addrs_.
7804         (Target_i386::Relocate::fix_up_ldo): New function.
7805
7806 2009-10-06   Rafael Espindola  <espindola@google.com>
7807
7808         * plugin.cc (add_input_library): New.
7809         (Plugin::load): Add add_input_library to tv.
7810         (Plugin_manager::add_input_file): Add the is_lib argument.
7811         (add_input_file): Update call to Plugin_manager::add_input_file.
7812         (add_input_library): New.
7813         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7814
7815 2009-09-30  Doug Kwan  <dougkwan@google.com>
7816
7817         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7818         symbol and call Symbol::may_need_copy_reloc to determine if
7819         a copy reloc is needed.
7820         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7821         nocopyreloc is given in command line.
7822         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7823         given in command line.
7824         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7825         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7826         of the removed Target_i386::may_need_copy_reloc.
7827         * options.h (copyreloc): New option with default value false.
7828         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7829         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7830         instead of the removed Target_powerpc::may_need_copy_reloc.
7831         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7832         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7833         instead of the removed Target_sparc::may_need_copy_reloc.
7834         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7835         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7836         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7837         instead of the removed Target_x86_64::may_need_copy_reloc.
7838
7839 2009-09-30  Ian Lance Taylor  <iant@google.com>
7840
7841         * object.h (class Object): Remove target_ field, and target,
7842         sized_target, and set_target methods.
7843         (Object::sized_target): Remove.
7844         (class Sized_relobj): Update declarations.  Remove sized_target.
7845         * object.cc (Sized_relobj::setup): Remove target parameter.
7846         Change all callers.
7847         (Input_objects::add_object): Don't do anything with the target.
7848         (make_elf_sized_object): Add punconfigured parameter.  Change all
7849         callers.  Set or test parameter target.
7850         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7851         Change all callers.
7852         * parameters.cc (Parameters::set_target): Change parameter type to
7853         be non-const.
7854         (Parameters::default_target): Remove.
7855         (set_parameters_target): Change parameter type to be non-const.
7856         (parameters_force_valid_target): New function.
7857         (parameters_clear_target): New function.
7858         * parameters.h (class Parameters): Update declarations.  Remove
7859         default_target method.  Add sized_target and clear_target
7860         methods.  Change target_ to be non-const.
7861         (set_parameters_target): Update declaration.
7862         (parameters_force_valid_target): Declare.
7863         (parameters_clear_target): Declare.
7864         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7865         as NULL if we aren't searching.
7866         (Add_symbols::run): Don't check for compatible target.
7867         * fileread.cc (Input_file::open_binary): Call
7868         parameters_force_valid_target.
7869         * gold.cc (queue_middle_tasks): Likewise.
7870         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7871         set_target on object.
7872         * dynobj.h (class Sized_dynobj): Update declarations.
7873         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7874         make_elf_object returns NULL.
7875         (Archive::include_member): Don't check whether object target is
7876         compatible.
7877         * output.cc (Output_section::add_input_section): Get target from
7878         parameters.
7879         (Output_section::relax_input_section): Likewise.
7880         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7881         parameters.
7882         (Sized_relobj::do_scan_relocs): Likewise.
7883         (Sized_relobj::relocate_sections): Likewise.
7884         * resolve.cc (Symbol_table::resolve): Likewise.
7885         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7886         parameter.  Change all callers.
7887         (Symbol_table::add_from_object): Get target from parameters.
7888         (Symbol_table::add_from_relobj): Don't check object target.
7889         (Symbol_table::add_from_dynobj): Likewise.
7890         (Symbol_table::define_special_symbol): Get target from
7891         parameters.
7892         * symtab.h (class Symbol_table): Update declaration.
7893         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7894         parameter.  Change all callers.  Clear parameter target.
7895         (Binary_test): Test target here.
7896         * testsuite/object_unittest.cc (gold_testsuite): Remove
7897         target_test_pointer parameter.  Change all callers.
7898         (Object_test): Test target here.
7899
7900 2009-09-26  Ian Lance Taylor  <iant@google.com>
7901
7902         * testsuite/initpri1.c: Don't try to use constructor priorities if
7903         compiling with gcc before 4.3.
7904
7905 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7906
7907         * testsuite/retain_symbols_file_test.sh (check_present): Change
7908         output file name to retain_symbols_file_test.stdout.
7909         (check_absent): Likewise.
7910
7911 2009-09-18  Craig Silverstein  <csilvers@google.com>
7912
7913         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7914         * options.cc: Include <cerrno> and <fstream>.
7915         (General_options::finalize): Parse -retain-symbols-file tag.
7916         * options.h: New flag.
7917         (General_options): New method should_retain_symbol, new
7918         variable symbols_to_retain.
7919         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7920         should_retain_symbol map.
7921         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7922         * testsuite/Makefile.in: Regenerate.
7923         * testsuite/retain_symbols_file_test.sh: New file.
7924
7925 2009-09-18  Nick Clifton  <nickc@redhat.com>
7926
7927         * po/es.po: Updated Spanish translation.
7928
7929 2009-09-17  Doug Kwan  <dougkwan@google.com>
7930
7931         * debug.h (DEBUG_RELAXATION): New constant.
7932         (DEBUG_ALL): Add DEBUG_RELAXATION.
7933         (debug_string_to_enum): Add relaxation debug option.
7934         * layout.cc
7935         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7936         Layout::Relaxation_debug_check::read_sections,
7937         Layout::Relaxation_debug_check::read_sections): New method definitions.
7938         (Layout::Layout): Initialize data members
7939         record_output_section_data_from_scrips_,
7940         script_output_section_data_list_ and relaxation_debug_check_.
7941         (Layout::save_segments, Layout::restore_segments,
7942         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7943         Layout::relaxation_loop_body): New method definitions.
7944         (Layout::finalize): Support relaxation.  Move section layout code to
7945         Layout::relaxation_loop_body.
7946         (Layout::set_asection_address_from_script): Move code for orphan
7947         section placement out.
7948         (Layout::place_orphan_sections_in_script): New method definition.
7949         * layout.h (Output_segment_headers, Output_file_header):
7950         New forward class declarations.
7951         (Layout::~Layout): Define.
7952         (Layout::new_output_section_data_from_script): New method definition.
7953         (Layout::place_orphan_sections_in_script): New method declaration.
7954         (Layout::Segment_states): New type declaration.
7955         (Layout::save_segments, Layout::restore_segments,
7956         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7957         Layout::relaxation_loop_body): New method declarations.
7958         (Layout::Output_section_data_list): New type declaration.
7959         (Layout::Relaxation_debug_check): New class definition.
7960         (Layout::record_output_section_data_from_script_,
7961         Layout::script_output_section_data_list_, Layout::segment_states_,
7962         Layout::relaxation_debug_check_): New data members.
7963         * output.cc: (Output_section_headers::do_size): New method definition.
7964         (Output_section_headers::Output_section_headers): Move size
7965         computation to Output_section_headers::do_size.
7966         (Output_segment_headers::do_size): New method definition.
7967         (Output_file_header::Output_file_header): Move size computation to
7968         Output_file_header::do_size and call it.
7969         (Output_file_header::do_size): New method definition.
7970         (Output_data_group::Output_data_group): Adjust call to
7971         Output_section_data.
7972         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7973         (Output_symtab_xindex::do_write): Add array bound check.
7974         (Output_section::Input_section::print_to_mapfile): Handle
7975         RELAXED_INPUT_SECTION_CODE.
7976         (Output_section::Output_section): Initialize data member checkpoint_.
7977         (Output_section::~Output_section): Delete checkpoint object pointed
7978         by checkpoint_.
7979         (Output_section::add_input_section): Always add an Input_section if
7980         relaxing.
7981         (Output_section::add_merge_input_section): Add assert.
7982         (Output_section::relax_input_section): New method definition.
7983         (Output_section::set_final_data_size): Set load address to zero for
7984         an unallocated section.
7985         (Output_section::do_address_and_file_offset_have_reset_values):
7986         New method definition.
7987         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7988         Handle relaxed input section.
7989         (Output_section::sort_attached_input_sections): Checkpoint input
7990         section list lazily.
7991         (Output_section::get_input_sections): Change type of input_sections to
7992         list of Simple_input_section pointers.  Checkpoint input section list
7993         lazily.  Also handle relaxed input sections.
7994         (Output_section::add_input_section_for_script): Take a reference to
7995         a Simple_input_section object instead of Relobj pointer and section
7996         index as parameter.  Handle relaxed input sections.
7997         (Output_section::save_states, Output_section::restore_states): New
7998         method definitions.
7999         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8000         (Output_data::is_data_size_fixed): New method definition.
8001         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8002         if it is fixed.
8003         (Output_data::address_and_file_offset_have_reset_values): New method
8004         definition.
8005         (Output_data::do_address_and_file_offset_have_reset_values): New method
8006         definition.
8007         (Output_data::set_data_size): Check that data size is not fixed.
8008         (Output_data::fix_data_size): New method definition.
8009         (Output_data::is_data_size_fixed_): New data member.
8010         (Output_section_headers::set_final_data_size): New method definition.
8011         (Output_section_headers::do_size): New method declaration.
8012         (Output_segment_headers::set_final_data_size): New method definition.
8013         (Output_segment_headers::do_size): New method declaration.
8014         (Output_file_header::set_final_data_size)::New method definition.
8015         (Output_file_header::do_size)::New method declaration.
8016         (Output_section_data::Output_section_data): Add new parameter
8017         is_data_size_fixed and use it to fix data size.
8018         (Output_data_const::Output_data_const): Adjust call to base class
8019         constructor and fix data size.
8020         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8021         base class constructor and fix data size.
8022         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8023         base class constructor and fix data size.
8024         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8025         class constructor and fix data size.
8026         (Output_data_group::set_final_data_size): New method definition.
8027         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8028         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8029         class constructor and fix data size.
8030         (Output_relaxed_input_section): New class definition.
8031         (Output_section::Simple_input_section): New class definition.
8032         (Output_section::get_input_sections): Adjust parameter list.
8033         (Output_section::add_input_section_for_script): Same.
8034         (Output_section::save_states, Output_section::restore_states,
8035         Output_section::do_address_and_file_offset_have_reset_values,
8036         (Output_section::Input_section::Input_section): Handle
8037         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8038         Output_relaxed_input_section.
8039         (Output_section::Input_section::is_input_section,
8040         Output_section::Input_section::set_output_section): Handle relaxed
8041         input section.
8042         (Output_section::Input_section::is_relaxed_input_section,
8043         Output_section::Input_section::output_section_data,
8044         Output_section::Input_section::relaxed_input_section): New method
8045         definitions.
8046         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8047         value.
8048         (Output_section::Input_section::u1_): Update comments.
8049         (Output_section::Input_section::u2_): Add new union member poris.
8050         (Output_section::Checkpoint_output_section): New classs definition.
8051         (Output_section::relax_input_section): New method declaration.
8052         (Output_section::checkpoint_): New data member.
8053         (Output_segment): Update comments.
8054         (Output_segment::Output_segment): Un-privatize copy constructor.
8055         (Output_segment::operator=): Un-privatize.
8056         * script-sections.cc (Output_section_element::Input_section_list):
8057         Change element type to Output_section::Simple_input_section.
8058         (Output_section_element_dot_assignment::set_section_addresses):
8059         Register output section data for relaxation clean up.
8060         (Output_data_exression::Output_data_expression): Adjust call to base
8061         constructor to fix data size.
8062         (Output_section_element_data::set_section_addresses): Register
8063         Output_data_expression object for relaxation clean up.
8064         (struct Input_section_info): Replace Relobj pointer and section index
8065         pair with Output_section::Simple_input_section and Convert struct to a
8066         class.
8067         (Input_section_sorter::operator()): Adjust access to
8068         Input_section_info data member to use accessors.
8069         (Output_section_element_input::set_section_addresses): Use layout
8070         parameter.  Adjust code to use Output_section::Simple_input_section
8071         and Input_secction_info classes.  Register filler for relaxation
8072         clean up.
8073         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8074         and section index pair with Output_section::Simple_input_section
8075         class.  Adjust code accordingly.
8076         (Phdrs_element::release_segment): New method definition.
8077         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8078         segment list.
8079         (Script_sections::release_segments): New method definition.
8080         * gold/script-sections.h (Script_sections::release_segments): New
8081         method declaration.
8082         * gold/target.h (Target::may_relax, Target::relax,
8083         Target::do_may_relax, Target::do_relax): New method definitions.
8084
8085 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8086
8087         * arm.cc (has_signed_unsigned_overflow): New function.
8088         (Arm_relocate_functions::abs8): New function.
8089         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8090         (Target_arm::Scan::global): Likewise.
8091         (Target_arm::relocate::relocate): Likewise.
8092         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8093         Likewise.
8094
8095 2009-09-16  Cary Coutant  <ccoutant@google.com>
8096
8097         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8098         * testsuite/Makefile.in: Regenerate.
8099
8100 2009-09-11  Nick Clifton  <nickc@redhat.com>
8101
8102         * po/gold.pot: Updated by the Translation project.
8103
8104 2009-09-08  Cary Coutant  <ccoutant@google.com>
8105
8106         * output.cc (Output_file::open): Add execute permission to empty file.
8107         * testsuite/Makefile.am (permission_test): New test.
8108         * testsuite/Makefile.in: Regenerate.
8109
8110 2009-09-02  Ian Lance Taylor  <iant@google.com>
8111
8112         * output.cc (Output_file::resize): Call map_no_anonymous rather
8113         than map.
8114
8115 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8116
8117         * gold.cc: Include "incremental.h".
8118         (queue_initial_tasks): Call Incremental_checker methods.
8119         * incremental.cc: Include "output.h".
8120         (Incremental_checker::can_incrementally_link_output_file): New
8121         method.
8122         * incremental.h (Incremental_checker): New class.
8123
8124         * output.cc (Output_file::open_for_modification): New method.
8125         (Output_file::map_anonymous): Changed return type to bool.  Record
8126         map in base_ field.
8127         (Output_file::map_no_anonymous): New method, broken out of map.
8128         (Output_file::map): Use map_no_anonymous and map_anonymous.
8129         * output.h (class Output_file): Update declarations.
8130
8131 2009-08-24  Cary Coutant  <ccoutant@google.com>
8132
8133         * options.h (Command_line::Pre_options): New class.
8134         (Command_line::pre_options): New member.
8135         * options.cc (gold::options::ready_to_register): New variable.
8136         (One_option::register_option): Do nothing if not registering options.
8137         Assert if same short option registered twice.
8138         (General_options::General_options): Turn off option registration when
8139         done constructing.
8140         (Command_line::Pre_options::Pre_options): New constructor.
8141
8142 2009-08-24  Cary Coutant  <ccoutant@google.com>
8143
8144         * options.h (General_options::no_keep_memory): Remove incorrect
8145         short option.
8146
8147 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8148
8149         * Makefile.am (am__skiplex, am__skipyacc): New.
8150         * Makefile.in: Regenerate.
8151
8152 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8153
8154         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8155         (INCLUDES): ... this.
8156         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8157         (AM_CPPFLAGS): Renamed from ...
8158         (INCLUDE): ... this.
8159         * Makefile.in, testsuite/Makefile.in: Regenerate.
8160
8161         * Makefile.in: Regenerate.
8162         * aclocal.m4: Likewise.
8163         * config.in: Likewise.
8164         * configure: Likewise.
8165         * testsuite/Makefile.in: Likewise.
8166
8167         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8168         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8169         * Makefile.in: Regenerate.
8170         * testsuite/Makefile.in: Regenerate.
8171
8172 2009-08-19  Cary Coutant  <ccoutant@google.com>
8173
8174         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8175         symbols in shared libraries overridden by hidden or internal symbols
8176         in the main program.
8177
8178 2009-08-19  Chris Demetriou  <cgd@google.com>
8179
8180         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8181         checking source file names in error messages.
8182
8183 2009-08-18  Doug Kwan  <dougkwan@google.com>
8184
8185         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8186         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8187         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8188         an elfcpp::Ehdr as parameter.
8189         * object.cc (Object::set_target): Remove the version that looks up
8190         a target and sets it.
8191         (Sized_relobj::setup): Take a Target object instead of
8192         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8193         (make_elf_sized_object): Find target and ask target to
8194         make an ELF object.
8195         * object.h: (Object::set_target): Remove the version that looks up
8196         a target and sets it.
8197         (Sized_relobj::setup): Take a Target object instead of
8198         an elfcpp:Ehdr as parameter.
8199         * target.cc: Include dynobj.h.
8200         (Target::do_make_elf_object_implementation): New.
8201         (Target::do_make_elf_object): New.
8202         * target.h (Target::make_elf_object): New template declaration.
8203         (Target::do_make_elf_object): New method declarations.
8204         (Target::do_make_elf_object_implementation): New template declaration.
8205
8206 2009-08-14  Ian Lance Taylor  <iant@google.com>
8207
8208         * gold.h (FUNCTION_NAME): Define.
8209         (gold_unreachable): Use FUNCTION_NAME.
8210
8211 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8212
8213         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8214         symbol in the --keep-unique list is not found.
8215
8216 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8217
8218         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8219         been maked as --keep-unique.
8220         (Icf::unfold_section): New function.
8221         * icf.h (Icf::unfold_section): New function.
8222         * options.h (General_options::keep_unique): New option.
8223         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8224         * testsuite/Makefile.in: Regenerate.
8225         * testsuite/icf_keep_unique_test.sh: New file.
8226         * testsuite/icf_keep_unique_test.cc: New file.
8227
8228 2009-08-12  Cary Coutant  <ccoutant@google.com>
8229
8230         PR 10471
8231         * resolve.cc (Symbol_table::resolve): Check for references from
8232         dynamic objects to hidden and internal symbols.
8233         * testsuite/Makefile.am (hidden_test.sh): New test.
8234         * testsuite/Makefile.in: Regenerate.
8235         * testsuite/hidden_test.sh: New script.
8236         * testsuite/hidden_test_1.c: New test source.
8237         * testsuite/hidden_test_main.c: New test source.
8238
8239 2009-08-11  Doug Kwan  <dougkwan@google.com>
8240
8241         * arm.cc: Update comments.
8242         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8243         segment to locate the .ARM.exidx section if present.
8244
8245 2009-08-09  Doug Kwan  <dougkwan@google.com>
8246
8247         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8248         patch.
8249
8250 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8251         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8252         compiler warnings.
8253
8254 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8255
8256         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8257         valid tls_segment only for non-debug-section relocations.
8258         * testsuite/Makefile.am: Add gc_tls_test.
8259         * testsuite/Makefile.in: Regenerate.
8260         * testsuite/gc_tls_test.cc: New file.
8261         * testsuite/gc_tls_test.sh: New file.
8262
8263 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8264
8265         * icf.cc: New file.
8266         * icf.h: New file.
8267         * Makefile.am (CCFILES): Add icf.cc.
8268         (HFILES): Add icf.h
8269         * Makefile.in: Regenerate.
8270         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8271         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8272         section, symbol and addend information for the relocs.
8273         * gold.cc (queue_middle_tasks): Call identical code folding.
8274         * gold.h: Add defines for multimap.
8275         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8276         to the call of finalize_local_symbols.
8277         * main.cc (main): Create object of class Icf.
8278         * object.cc (Sized_relobj::do_layout): Allow this function to be
8279         called twice during icf.
8280         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8281         to sections marked as identical by icf.
8282         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8283         when available.
8284         (Sized_relobj::do_section_entsize): New function.
8285         * object.h (Object::section_entsize): New function.
8286         (Object::do_section_entsize): New pure virtual function.
8287         (Relobj::finalize_local_symbols): Add new parameter.
8288         (Relobj::do_section_entsize): New function.
8289         * options.h (General_options::icf): New option.
8290         (General_options::icf_iterations): New option.
8291         (General_options::print_icf_sections): New option.
8292         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8293         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8294         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8295         icf.
8296         * symtab.cc (Symbol_table::is_section_folded): New function.
8297         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8298         to sections marked as identical by icf.
8299         * symtab.h (Symbol_table::set_icf): New function.
8300         (Symbol_table::icf): New function.
8301         (Symbol_table::is_section_folded): New function.
8302         (Symbol_table::icf_): New data member.
8303         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8304         * testsuite/Makefile.am: Add commands to build icf_test.
8305         * testsuite/Makefile.in: Regenerate.
8306         * testsuite/icf_test.sh: New file.
8307         * testsuite/icf_test.cc: New file.
8308
8309 2009-07-24  Chris Demetriou  <cgd@google.com>
8310
8311         * layout.cc (is_compressible_debug_section): Fix incorrect
8312         comment about compressed section names.
8313
8314 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8315
8316         PR 10419
8317         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8318
8319 2009-07-16  Ian Lance Taylor  <iant@google.com>
8320
8321         PR 10400
8322         * layout.h: #include <map>.
8323         (class Kept_section): Change from struct to class.  Add accessors
8324         and setters.  Add section size to Comdat_group mapping.  Change
8325         Comdat_group to std::map.  Add is_comdat_ field.  Add
8326         linkonce_size field in union.
8327         (class Layout): Update declaration of find_or_add_kept_section.
8328         Don't declare find_kept_object.
8329         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8330         parameter.  Add object, shndx, is_comdat, and is_group_name
8331         parameters.  Change all callers.  Adjust for new Kept_section.
8332         (Layout::find_kept_object): Remove.
8333         * object.cc (Sized_relobj::include_section_group): Update use of
8334         Kept_section.  Rename secnum to shndx.  Only record
8335         Kept_comdat_section if sections are the same size.
8336         (Sized_relobj::include_linkonce_section): Update use of
8337         Kept_section.  Only record Kept_comdat_section if sections are the
8338         same size.  Set size of linkonce section.
8339         (Sized_relobj::map_to_kept_section): Update call to
8340         get_kept_comdat_section.
8341         * object.h (class Sized_relobj): Rename fields in
8342         Kept_comdat_section to drop trailing underscores; change object
8343         field to Relobj*.  Change Kept_comdat_section_table to store
8344         struct rather than pointer.
8345         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8346         Add kept_object and kept_shndx parameters.  Change all callers.
8347         (Sized_relobj::get_kept_comdat_section): Change return type to
8348         bool.  Add kept_object and kept_shndx parameters.  Change all
8349         callers.
8350         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8351         Layout::find_or_add_kept_section.
8352
8353 2009-07-09  Ian Lance Taylor  <iant@google.com>
8354
8355         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8356         Reserve space in the hash table.
8357
8358 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8359
8360         * fileread.cc (File_read::get_mtime): New method.
8361         * fileread.h (Timespec): New structure.
8362         (File_read::get_mtime): New method.
8363         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8364         Renamed from timestamp_nsec.
8365         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8366         Elf_Xword.
8367         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8368         timestamp_nsec.
8369         (Incremental_inputs::report_archive): Save mtime; style fix.
8370         (Incremental_inputs::report_obejct): Save mtime; style fix.
8371         (Incremental_inputs::report_script): Save mtime; style fix.
8372         (Incremental_inputs::finalize_inputs): Style fix.
8373         (Incremental_inputs::finalize): Style fix.
8374         (Incremental_inputs::create_input_section_data): Store inputs
8375         mtime.
8376         * incremental.h (Incremental_inputs::report_script): Add mtime
8377         argument.
8378         (Incremental_inputs::Input_info::Input_info): Intialize only one
8379         union member.
8380         (Incremental_inputs::Input_info::archive): Move to nameless
8381         union.
8382         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8383         (Incremental_inputs::Input_info::script): Move to nameless union.
8384         (Incremental_inputs::mtime): New field.
8385         * script.cc (read_input_script): Pass file mtime to
8386         Incremental_input.
8387         * script.h (Script_info::inputs): Style fix.
8388
8389 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8390
8391         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8392         instead of 32.
8393
8394 2009-06-24  Ian Lance Taylor  <iant@google.com>
8395
8396         PR 10156
8397         * layout.cc (Layout::choose_output_section): If we find an
8398         existing section, update the flags.
8399         (Layout::create_notes): New function, broken out of
8400         Layout::finalize.
8401         (Layout::finalize): Don't create note sections.
8402         (Layout::create_note): Don't crash if linker script discards
8403         section.
8404         (Layout::create_gold_note): Likewise.
8405         (Layout::create_build_id): Likewise.  Don't set
8406         after_input_sections on the section.
8407         (Layout::create_executable_stack_info): Remove target parameter.
8408         Change caller.
8409         * layout.h (class Layout): Declare create_notes.  Update
8410         declaration of create_executable_stack_info.
8411         * gold.cc (queue_middle_tasks): Call create_notes.
8412         * output.cc (Output_section::update_flags_for_input_section): Move
8413         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8414         invalid.
8415         * output.h (Output_data::mark_address_invalid): New function.
8416         (class Output_section): Only declare, not define,
8417         update_flags_for_input_section.  Remove set_flags.
8418
8419 2009-06-24  Ian Lance Taylor  <iant@google.com>
8420
8421         * script-sections.cc (Output_section_definition::
8422         set_section_addresses): Rename shadowing local load_address to
8423         laddr.
8424
8425 2009-06-24  Ian Lance Taylor  <iant@google.com>
8426
8427         PR 10244
8428         * reloc.cc (relocate_sections): Skip empty relocation sections.
8429
8430 2009-06-23  Ian Lance Taylor  <iant@google.com>
8431
8432         PR 10156
8433         * layout.cc (Layout::create_note): Use choose_output_section
8434         rather than make_output_section.
8435
8436 2009-06-23  Ian Lance Taylor  <iant@google.com>
8437
8438         PR 10237
8439         * options.cc (General_options::parse_V): Set printed_version_.
8440         (General_options::General_options): Initialize printed_version_.
8441         * options.h (class General_options): Add printed_version_ field.
8442         * gold.cc (queue_initial_tasks): If there are no input files,
8443         don't give a fatal error if we printed the version information.
8444         (queue_middle_tasks): If using -r with a shared object, give a
8445         fatal error rather than an ordinary error.
8446
8447 2009-06-23  Ian Lance Taylor  <iant@google.com>
8448
8449         PR 10219
8450         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8451         (Layout::make_output_section): Set have_stabstr_section_ if we see
8452         a .stab*str section.
8453         (Layout::finalize): Call link_stabs_sections.
8454         (Layout::link_stabs_sections): New file.
8455         * layout.h (class Layout): Add have_stabstr_section_ field.
8456         Declare link_stabs_sections.
8457
8458 2009-06-23  Doug Kwan  <dougkwan@google.com>
8459
8460         * Makefile.am (libgold_a_LIBADD): New.
8461         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8462         * Makefile.in: Regenerate.
8463         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8464         * configure: Regenerate.
8465         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8466         * fileread.cc: Include sys/state.h
8467         * gold.h: Declare memmem and strndup if found missing.
8468         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8469
8470 2009-06-23  Ian Lance Taylor  <iant@google.com>
8471
8472         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8473         * configure: Rebuild.
8474
8475 2009-06-23  Ian Lance Taylor  <iant@google.com>
8476
8477         PR 10147
8478         * object.cc (Object::section_contents): Don't try to get a view if
8479         the section has length zero.
8480         (Object::handle_gnu_warning_section): If the section is empty, use
8481         the name of the section as the warning.
8482
8483 2009-06-23  Ian Lance Taylor  <iant@google.com>
8484
8485         PR 10133
8486         * stringpool.h (class Stringpool_template): Add optimize_ field.
8487         (Stringpool_template::set_optimize): New function.
8488         * stringpool.cc (Stringpool_template::Stringpool_template):
8489         Initialize optimize_ field.
8490         (Stringpool_template::set_string_offsets): Test local optimize
8491         fild rather than parameter.
8492         * layout.cc (Layout::Layout): Call set_optimize on the section
8493         name stringpool.
8494
8495 2009-06-22  Ian Lance Taylor  <iant@google.com>
8496
8497         PR 10030
8498         * yyscript.y: Parse TARGET.
8499         * script.cc (script_set_target): New function.
8500         * script-c.h (script_set_target): Declare.
8501         * options.cc (General_options::string_to_object_format): Rename
8502         from string_to_object_format in anonymous namespace.  Change
8503         callers.
8504         * options.h (class General_options): Declare
8505         string_to_object_format.
8506
8507 2009-06-22  Ian Lance Taylor  <iant@google.com>
8508
8509         * script-sections.cc (Script_sections::create_segments): Don't put
8510         program headers in a PT_LOAD segment if -n or -N.
8511
8512 2009-06-22  Ian Lance Taylor  <iant@google.com>
8513
8514         PR 10141
8515         * options.h (class General_options): Add -z lazy and -z now.  Sort
8516         -z options into alphabetical order.
8517         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8518
8519 2009-06-21  Ian Lance Taylor  <iant@google.com>
8520
8521         * layout.cc (Layout::make_output_section): Call
8522         Target::new_output_section.
8523         (Layout::attach_allocated_section_to_segment): Put large section
8524         sections in a separate load segment with the large segment flag
8525         set.
8526         (Layout::segment_precedes): Sort large data segments after other
8527         load segments.
8528         (align_file_offset): New static function.
8529         (Layout::set_segment_offsets): Use align_file_offset.
8530         * output.h (class Output_section): Add is_small_section_ and
8531         is_large_section_ fields.
8532         (Output_section::is_small_section): New function.
8533         (Output_section::set_is_small_section):  New function.
8534         (Output_section::is_large_section): New function.
8535         (Output_section::set_is_large_section): New function.
8536         (Output_section::is_large_data_section): New function.
8537         (class Output_segment): Add is_large_data_segment_ field.
8538         (Output_segment::is_large_data_segment): New function.
8539         (Output_segment::set_is_large_data_segment): New function.
8540         * output.cc (Output_section::Output_section): Initialize new
8541         fields.
8542         (Output_segment::Output_segment): Likewise.
8543         (Output_segment::add_output_section): Add assertion that large
8544         data sections always go in large data segments.  Force small data
8545         sections to the end of the list of data sections.  Force small BSS
8546         sections to the start of the list of BSS sections.  For large BSS
8547         sections to the end of the list of BSS sections.
8548         * symtab.h (class Symbol): Declare is_common_shndx.
8549         (Symbol::is_defined): Check Symbol::is_common_shndx.
8550         (Symbol::is_common): Likewise.
8551         (class Symbol_table): Define enum Commons_section_type.  Update
8552         declarations.  Add small_commons_ and large_commons_ fields.
8553         * symtab.cc (Symbol::is_common_shndx): New function.
8554         (Symbol_table::Symbol_table): Initialize new fields.
8555         (Symbol_table::add_from_object): Put small and large common
8556         symbols in the right list.
8557         (Symbol_table::sized_finalized_symbol): Check
8558         Symbol::is_common_shndx.
8559         (Symbol_table::sized_write_globals): Likewise.
8560         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8561         common symbol lists.  Don't call do_allocate_commons_list if the
8562         list is empty.
8563         (Symbol_table::do_allocate_commons_list): Remove is_tls
8564         parameter.  Add comons_section_type parameter.  Change all
8565         callers.  Handle small and large common symbols.
8566         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8567         Symbol::is_common_shndx.
8568         * resolve.cc (symbol_to_bits): Likewise.
8569         * target.h (Target::small_common_shndx): New function.
8570         (Target::small_common_section_flags): New function.
8571         (Target::large_common_shndx): New function.
8572         (Target::large_common_section_flags): New function.
8573         (Target::new_output_section): New function.
8574         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8575         small_common_section_flags, and large_common_section_flags
8576         fields.
8577         (Target::do_new_output_section): New virtual function.
8578         * arm.cc (Target_arm::arm_info): Initialize new fields.
8579         * i386.cc (Target_i386::i386_info): Likewise.
8580         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8581         Likewise.
8582         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8583         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8584         (Target_x86_64::do_new_output_section): New function.
8585         * configure.ac: Define conditional MCMODEL_MEDIUM.
8586         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8587         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8588         (large_LDFLAGS): Define.
8589         * testsuite/large.c: New file.
8590         * testsuite/testfile.cc (Target_test::test_target_info):
8591         Initialize new fields.
8592         * configure, testsuite/Makefile.in: Rebuild.
8593
8594 2009-06-05  Doug Kwan  <dougkwan@google.com>
8595
8596         * Makefile.am (CCFILES): Add target.cc.
8597         * Makefile.in: Regenerate.
8598         * i386.cc (class Target_i386): Define new virtual method to
8599         override do_is_local_label_name in parent.
8600         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8601         local symbols if --discard-locals or -X is given.
8602         * options.h (class General_options): Declare new options
8603         '--discard-locals' and '-X' for discarding locals.
8604         * target.h (class Target): Define new methods is_local_label_name.
8605         Declare new virtual method do_is_local_label_name.
8606         * target.cc: New file.
8607         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8608         (check_SCRIPTS): Add discard_locals_test.sh.
8609         (check_DATA): Add discard_local_tests.syms.
8610         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8611         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8612         * testsuite/Makefile.in: Regenerate.
8613         * testsuite/discard_locals_test.c: New file.
8614         * testsuite/discard_locals_test.sh: Same.
8615
8616 2009-06-05  Doug Kwan  <dougkwan@google.com>
8617
8618         * object.cc (Sized_relobj::Sized_relobj): Initialize
8619         discarded_eh_frame_shndx_ to -1U.
8620         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8621         section.
8622         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8623         a discarded .eh_frame section.
8624         (Sized_relobj::do_finalize_local_symbols): Ditto.
8625         * object.h (class Sized_relobj): Declare new member
8626         discarded_eh_frame_shndx_.
8627         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8628         (local_labels_test.o, local_labels_test): New rules.
8629         * testsuite/Makefile.in: Regenerate.
8630
8631 2009-06-04  Doug Kwan  <dougkwan@google.com>
8632
8633         * layout.cc (Layout::section_name_mapping): Add mapping for
8634         special ARM sections.
8635
8636 2009-06-03  Doug Kwan  <dougkwan@google.com>
8637
8638         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8639         (utils::has_overflow): Same.
8640
8641 2009-06-03  Ian Lance Taylor  <iant@google.com>
8642
8643         * layout.cc (Layout::section_name_mapping): New array, replacing
8644         Layout::linkonce_mapping.
8645         (Layout::section_name_mapping_count): New variable, replacing
8646         Layout::linkonce_mapping_count.
8647         (Layout::linkonce_output_name): Remove.
8648         (Layout::output_section_name): Rewrite.
8649         * layout.h (class Layout): Rename Linkonce_mapping to
8650         Section_name_mapping, linkonce_mapping to section_name_mapping,
8651         linkonce_mapping_count to section_name_mapping_count.  Don't
8652         declare linkonce_output_name.
8653
8654 2009-06-03  Doug Kwan  <dougkwan@google.com>
8655
8656         * gold/arm.cc (namespace utils): New.
8657         (Target_arm::reloc_is_non_pic): Define new method.
8658         (class Arm_relocate_functions): New.
8659         (Target_arm::Relocate::relocate): Handle relocation types used by
8660         Android.
8661
8662 2009-06-03  Ian Lance Taylor  <iant@google.com>
8663
8664         * arm.cc (Target_arm::scan::global): Use || instead of |.
8665
8666 2009-06-02  Doug Kwan  <dougkwan@google.com>
8667
8668         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8669         issued_non_pic_error_.
8670         (class Target_arm::Scan): Declare new method check_non_pic.
8671         Define new method symbol_needs_plt_entry.
8672         Declare new data member issued_non_pic_error_.
8673         (class Target_arm::Relocate): Declare new method
8674         should_apply_static_reloc.
8675         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8676         (Target_arm::Scan::check_non_pic): Define new method.
8677         (Target_arm::Scan::local): Handle a small subset of reloc types used
8678         by Android.
8679         (Target_arm::Scan::local): Same.
8680         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8681
8682 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8683
8684         * incremental.cc (Incremental_inputs::report_command_line): Filter
8685         out --incremental-* options.
8686
8687 2009-05-29  Doug Kwan  <dougkwan@google.com>
8688
8689         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8690         template class.
8691         (class Target_arm): Update comment.
8692         (Target_arm::Target_arm): Initialize new data members GOT_,
8693         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8694         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8695         and Target_arm::rel_dyn_section.
8696         Declare new_enum Target_arm::Got_type.
8697         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8698         and DYNBSS_.
8699         Update commments for member do_dynsym_value.
8700         (Target_arm::got_size, Target_arm::plt_section,
8701         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8702         new methods inside class defintion.
8703         (Target_arm::got_section): Define new method.
8704         (Target_arm::rel_dyn_section): Same.
8705         (Output_data_plt_arm): New template class.
8706         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8707         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8708         (Output_data_plt_arm::add_entry): Same.
8709         (Output_data_plt_arm::first_plt_entry): Define new
8710         static data member for PLT instruction template.
8711         (Output_data_plt_arm::plt_entry): Same.
8712         (Output_data_plt_arm::do_write): Define new method.
8713         (Target_arm::make_plt_entry): Same.
8714         (Target_arm::do_finalize_sections): Same.
8715         (Target_arm::do_dynsym_value): Same.
8716
8717 2009-05-28  Doug Kwan  <dougkwan@google.com>
8718
8719         * Makefile.am (TARGETSOURCES): Add arm.cc.
8720         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8721         * Makefile.in: Regenerate.
8722         * arm.cc: New file.
8723         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8724
8725 2009-05-26  Doug Kwan  <dougkwan@google.com>
8726
8727         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8728         (General_options::check_excluded_libs): Strip off directories in
8729         archive name before matching like GNU ld does.
8730         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8731         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8732         (exclude_libs_test_LDFLAGS): Add linker option
8733         -Wl,--exclude-libs,libexclude_libs_test_3
8734         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8735         an explicit archive without using -l.
8736         (alt/libexclude_libs_test_3.a): New make rule.
8737         * testsuite/Makefile.in: Regenerate.
8738         * testsuite/exclude_libs_test.c : Declare lib3_default().
8739         (main): Call it.
8740         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8741         * exclude_libs_test_3.c: New file.
8742
8743 2009-05-26  Nick Clifton  <nickc@redhat.com>
8744
8745         * po/id.po: New Indonesian translation.
8746         * po/gold.pot: Updated template file.
8747
8748 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8749
8750         * testsuite/Makefile.am: Add -ffunction-sections to compile
8751         gc_comdat_test files.  Add -Wl,--gc-sections to build
8752         gc_comdat_test.
8753         * testsuite/Makefile.in: Regenerate.
8754         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8755
8756 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8757
8758         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8759         kept comdat section was garbage collected.
8760         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8761         * testsuite/Makefile.in: Regenerate.
8762         * testsuite/gc_comdat_test.sh: New file.
8763         * testsuite/gc_comdat_test_1.cc: New file.
8764         * testsuite/gc_comdat_test_2.cc: New file.
8765
8766 2009-05-19  Doug Kwan  <dougkwan@google.com>
8767
8768         * archive.cc (Archive::Archive): Move constructor from archive.h
8769         to here.  Initialize no_export_.
8770         (Archive::get_elf_object_for_member): Set no_export flag of object.
8771         * archive.h (Archive::Archive): Move constructor body to
8772         archive.cc.
8773         (Archive::no_export): New method.
8774         (Archive::no_export_): New field.
8775         * object.h (Object::Object): Initialize no_export_ to false.
8776         (Object::no_export, Object::set_no_export): New methods.
8777         (Object::no_export_): New field.
8778         * options.cc (General_options::parse_exclude_libs): New method.
8779         (General_options::check_excluded_libs) Same.
8780         * options.h (exclude_libs): New option.
8781         (General_options::check_excluded_libs): New method declaration.
8782         (General_options::excluded_libs_): New field.
8783         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8784         default or protected visibility if an object has no-export flag set.
8785         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8786         (check_SCRIPTS): Add exclude_libs_test.sh.
8787         (check_DATA): Add exclude_libs_test.syms.
8788         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8789         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8790         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8791         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8792         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8793         libexclude_libs_test_2.a): New rules.
8794         * testsuite/Makefile.in: Regenerate.
8795         * testsuite/exclude_libs_test.c: New file.
8796         * testsuite/exclude_libs_test.sh: Ditto.
8797         * testsuite/exclude_libs_test_1.c: Ditto.
8798         * testsuite/exclude_libs_test_2.c: Ditto.
8799
8800 2009-05-15  Ian Lance Taylor  <iant@google.com>
8801
8802         * configure.ac: Check for declarations for cases where libiberty.h
8803         checks HAVE_DECL_xxx.
8804         * configure, config.in: Rebuild.
8805
8806 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8807
8808         * gold.h (Incremental_argument_list): Remove (invalid) forward
8809         declaration.
8810         * incremental.cc (Incremental_inputs::report_achive): New method.
8811         (Incremental_inputs::report_object): New method.
8812         (Incremental_inputs::report_script): New method.
8813         (Incremental_inputs::finalize_inputs): New method.
8814         (Incremental_inputs::finalize): Call finalize_inputs().
8815         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8816         Create inputs entries.
8817         * incremental.h (Incremental_input_type): New enum.
8818         (Incremental_inputs::Incremental_input): Initialize new fields.
8819         (Incremental_inputs::report_inputs): New method.
8820         (Incremental_inputs::report_achive): New method.
8821         (Incremental_inputs::report_object): New method.
8822         (Incremental_inputs::report_script): New method.
8823         (Incremental_inputs::finalize_inputs): New method.
8824         (Incremental_inputs::Input_info): New struct.
8825         (Incremental_inputs::Input_info_map): New typedef.
8826         (Incremental_inputs::lock_): New field.
8827         (Incremental_inputs::Inputs_): New field.
8828         (Incremental_inputs::Inputs_map): New field.
8829         * main.cc (main): Call Incremental_input::report_inputs.
8830         * options.h (Input_argument_list): Typedef moved from
8831         Input_arguments.
8832         (Input_file_group::Files): Remove, use ::Input_argument_list.
8833         (Input_file_group::Input_argument_list): Remove, use
8834         ::Input_argument_list.
8835         * plugin.cc (Plugin_manager::add_input_file): Add error in
8836         incremental build.
8837         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8838         functions.
8839         * script.cc (read_input_script): Call
8840         Incremental_input::report_script.
8841         * script.h (Script_info): New class.
8842
8843 2009-04-27  Ian Lance Taylor  <iant@google.com>
8844
8845         * x86_64.cc (do_adjust_output_section): Set entsize to
8846         plt_entry_size.
8847
8848 2009-04-23  Elliott Hughes  <enh@google.com>
8849
8850         * output.cc (Output_file::close): After short writes, continue
8851         writing from the correct offset in the buffer being written.
8852
8853 2009-04-23  Chris Demetriou  <cgd@google.com>
8854
8855         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8856         * configure: Regenerate.
8857         * config.in: Regenerate.
8858         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8859         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8860
8861 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8862
8863         * incremental.cc (Incremental_inputs_header_data): Renamed from
8864         Incremental_input_header_data.
8865         (Incremental_inputs_header_data::data_size): New field.
8866         (Incremental_inputs_header_data::put_input_file_count): Renamed
8867         from input_file_count.
8868         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8869         from command_line_offset.
8870         (Incremental_inputs_header_data::put_reserved): Renamed from
8871         put_reserved.
8872         (Incremental_inputs_entry_data): Renamed from
8873         Incremental_input_entry_data.
8874         (Incremental_inputs_entry_data::data_size): New field.
8875         (Incremental_inputs::report_command_line): New method.
8876         (Incremental_inputs::finalize): New method.
8877         (Incremental_inputs::create_incremental_inputs_data): New method.
8878         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8879         * incremental.h: New file.
8880         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8881        (Layout::finalize): Create incremental inputs section in
8882         incremental builds.
8883        (Layout::create_incremental_info_sections): New method.
8884         * layout.h (Layout::incremental_inputs): New method.
8885        (Layout::create_incremental_info_sections): New method.
8886        (Layout::incremental_inputs_): New field.
8887         * main.cc (main): Notify Incremental_input of the command line.
8888
8889 2009-04-01  Ian Lance Taylor  <iant@google.com>
8890             Mikolaj Zalewski  <mikolajz@google.com>
8891
8892         * gold.h (reserve_unordered_map): Define, three versions, one for
8893         each version of Unordered_map.
8894         * layout.cc (Layout::Layout): Remove options parameter.  Add
8895         number_of_input_files parameter.  Don't initialize options_.
8896         Initialize number_of_input_files_ and resized_signatures_.  Move
8897         sections_are_attached_.
8898         (Layout::layout_group): Reserve space for group_signatures_.
8899         (Layout::find_or_add_kept_section): Change name parameter to be a
8900         reference.  Resize signatures_ map when it gets large enough.
8901         (Layout::layout_eh_frame): Use parameters->options() instead of
8902         this->options_.
8903         (Layout::make_output_section): Likewise.
8904         (Layout::attach_allocated_section_to_segment): Likewise.
8905         (Layout::finalize, Layout::create_executable_stack): Likewise.
8906         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8907         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8908         * layout.h (class Layout): Update declarations.  Remove options_
8909         field.  Add number_of_input_files_ and resized_signatures_
8910         fields.  Move sections_are_attached_ field.
8911         * main.cc (main): Pass number of input files to Layout
8912         constructor.  Don't pass options.
8913
8914 2009-03-30  Ian Lance Taylor  <iant@google.com>
8915
8916         * ffsll.c (ffsll): Correct implementation.
8917
8918 2009-03-27  Ian Lance Taylor  <iant@google.com>
8919
8920         * ffsll.c: New file.
8921         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8922         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8923         * ftruncate.c (ftruncate): Declare before definition.
8924         * mremap.c (mremap): Likewise.
8925         * pread.c (pread): Likewise.
8926         * configure, Makefile.in, config.in: Rebuild.
8927
8928         * mremap.c: New file.
8929         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8930         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8931         (mremap): Declare if HAVE_MREMAP is not defined.
8932         * configure, Makefile.in, config.in: Rebuild.
8933
8934 2009-03-27  Cary Coutant  <ccoutant@google.com>
8935
8936         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8937         position independent.
8938         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8939         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8940
8941 2009-03-24  Cary Coutant  <ccoutant@google.com>
8942
8943         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8944         an executable.
8945         (needs_dynamic_reloc): Likewise.
8946
8947 2009-03-24  Ian Lance Taylor  <iant@google.com>
8948
8949         * yyscript.y (file_cmd): Recognize EXTERN.
8950         (extern_name_list, extern_name_list_body): New nonterminals.
8951         * script.cc (script_add_extern): Define.
8952         * script-c.h (script_add_extern): Declare.
8953
8954 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8955
8956         * object.cc (is_elf_object): Define.
8957         * object.h (is_elf_object): Declare.
8958         * archive.cc (Archive::get_elf_object_for_member): Call
8959         is_elf_object.
8960         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8961
8962 2009-03-24  Elliott Hughes  <enh@google.com>
8963
8964         * output.cc (Output_file::map_anonymous): Define.
8965         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8966         try an anonymous one.  Report the size if the mmap fails.
8967         * output.h (class Output_file): Declare map_anonymous.
8968
8969 2009-03-24  Ian Lance Taylor  <iant@google.com>
8970
8971         * target-select.cc (instantiate_target): Don't acquire the lock if
8972         the instantiated_target_ field has already been set.
8973
8974 2009-03-23  Ian Lance Taylor  <iant@google.com>
8975
8976         * gold-threads.h (class Initialize_lock): Define.
8977         * gold-threads.cc (class Initialize_lock_once): Define.
8978         (initialize_lock_control): New static variable.
8979         (initialize_lock_pointer): New static variable.
8980         (initialize_lock_once): New static function.
8981         (Initialize_lock::Initialize_lock): Define.
8982         (Initialize_lock::initialize): Define.
8983         * target-select.h: Include "gold-threads.h".
8984         (class Target_selector): Add lock_ and initialize_lock_ fields.
8985         Don't define instantiate_target, just declare it.
8986         * target-select.cc (Target_selector::Target_selector): Initialize
8987         new fields.
8988         (Target_selector::instantiate_target): Define.
8989         * descriptors.h: Include "gold-threads.h".
8990         (class Descriptors): Add initialize_lock_ field.
8991         * descriptors.cc (Descriptors::Descriptors): Initialize new
8992         field.
8993         (Descriptors::open): Use initialize_lock_ field
8994         * errors.h (class Errors): Add initialize_lock_ field.
8995         * errors.cc (Errors::Errors): Initialize new field.
8996         (Errors::initialize_lock): Use initialize_lock_ field.
8997         * powerpc.cc (class Target_selector_powerpc): Remove
8998         instantiated_target_ field.  In do_recognize call
8999         instantiate_target rather than do_instantiate_target.  In
9000         do_instantiate_target just allocate a new target.
9001         * sparc.cc (class Target_selector_sparc): Likewise.
9002
9003         * freebsd.h: New file.
9004         * i386.cc: Include "freebsd.h".
9005         (Target_i386): Derive from Target_freebsd rather than
9006         Sized_target.
9007         (Target_selector_i386): Derive from Target_selector_freebsd rather
9008         than Target_selector.
9009         * x86_64.cc: Include "freebsd.h".
9010         (Target_x86_64): Derive from Target_freebsd rather than
9011         Sized_target.
9012         (Target_selector_x86_64): Derive from Target_selector_freebsd
9013         rather than Target_selector.
9014         * target.h (class Target): Add adjust_elf_header and
9015         do_adjust_elf_header.
9016         * output.cc (Output_file_header:: do_sized_write): Call target
9017         adjust_elf_header routine.
9018         * configure.tgt: Set targ_osabi.
9019         * configure.ac: Define GOLD_DEFAULT_OSABI.
9020         * parameters.cc (Parameters::default_target): Pass
9021         GOLD_DEFAULT_OSABI to select_target.
9022         * target-select.h (class Target_selector): Make instantiate_target
9023         protected rather than private.
9024         * Makefile.am (HFILES): Add freebsd.h.
9025         * configure, Makefile.in, config.in: Rebuild.
9026
9027         * merge.cc (do_add_input_section): Correct pend value.  Change
9028         message about last entry not being null terminated from error to
9029         warning.
9030
9031 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9032
9033         * incremental.cc: New file.
9034         * Makefile.am (CCFILES): Add incremental.cc.
9035         * Makefile.in: Rebuild.
9036
9037 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9038
9039         * layout.cc (Layout::output_section_name): Preserve names
9040         of '.note.' sections.
9041
9042 2009-03-19  Ian Lance Taylor  <iant@google.com>
9043
9044         * descriptors.cc (Descriptors::open): Check that the options are
9045         valid before using them.
9046
9047 2009-03-18  Ian Lance Taylor  <iant@google.com>
9048
9049         * script-sections.h: Include <list>.
9050         (class Script_sections): Change Sections_elements from std::vector
9051         to std::list.  Typedef public Elements_iterator.  Add
9052         orphan_section_placement_, data_segment_align_start_, and
9053         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9054         field.
9055         * script-sections.cc (class Orphan_section_placement): New class.
9056         (class Sections_element): Add virtual functions is_relro and
9057         orphan_section_init.  Remove virtual function place_orphan_here.
9058         (class Output_section_definition): Add is_relro and
9059         orphan_section_init.  Remove place_orphan_here.
9060         (class Orphan_output_section): Likewise.
9061         (Script_sections::Script_sections): Update for field changes.
9062         (Script_sections::data_segment_align): Set saw_data_segment_align_
9063         and data_segment_align_start_, not data_segment_align_index.
9064         (Script_sections::data_segment_relro_end): Check
9065         saw_data_segment_align_.  Use data_segment_align_start_ rather
9066         than data_segment_align_index_.
9067         (Script_sections::place_orphan): Rewrite to use
9068         Orphan_section_placement.
9069
9070 2009-03-17  Ian Lance Taylor  <iant@google.com>
9071
9072         * archive.cc (Archive::add_symbols): Check for a version attached
9073         to the symbol name in the archive map.
9074         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9075         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9076         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9077         (ver_test_11.a): New target.
9078         * testsuite/Makefile.in: Rebuild.
9079
9080         * configure.ac: Check for chsize and posix_fallocate.  Replace
9081         ftruncate.
9082         * ftruncate.c: New file, from gnulib.
9083         * output.cc (posix_fallocate): Define dummy version if not
9084         HAVE_POSIX_FALLOCATE.
9085         (Output_file::map): Call posix_fallocate rather than lseek and
9086         write.
9087         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9088         * configure, Makefile.in, config.in: Rebuild.
9089
9090 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9091
9092         * layout.h (Layout::create_note): Add section_name parameter.
9093         * layout.cc (Layout::create_note): Likewise.
9094         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9095
9096 2009-03-17  Ian Lance Taylor  <iant@google.com>
9097
9098         * descriptors.cc: Include "options.h".
9099         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9100         (Descriptors::open): Always use O_CLOEXEC when opening a new
9101         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9102         then set FD_CLOEXEC.
9103
9104         * sparc.cc (class Target_sparc): Add has_got_section.
9105         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9106         make sure we have a GOT section.
9107
9108         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9109         (Target_sparc::Scan::local): Likewise.
9110         (Target_sparc::Scan::global): Likewise.
9111         (Target_sparc::Relocate::relocate): Likewise.
9112         (Target_sparc::Relocate::relocate_tls): Likewise.
9113
9114         * symtab.cc (Symbol_table::define_default_version): New function,
9115         broken out of add_from_object.
9116         (Symbol_table::add_from_object): Call define_default_version.
9117         (Symbol_table::define_special_symbol): Add resolve_oldsym
9118         parameter.  Change all callers.  If the version for a symbol comes
9119         from a version script, resolve it with the symbol with the same
9120         name with no version.  Also add the symbol without a version if
9121         appropriate.
9122         (do_define_in_output_data): If resolving with oldsym, don't delete
9123         sym.
9124         (do_define_in_output_segment): Likewise.
9125         (do_define_as_constant): Likewise.
9126         * symtab.h (class Symbol_table): Update declarations.
9127
9128 2009-03-13  Ian Lance Taylor  <iant@google.com>
9129
9130         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9131         (Read_symbols::requeue): New function.
9132         (Read_symbols::do_read_symbols): If make_elf_object fails because
9133         the target type is not configured, and the file was searched for,
9134         issue a warning and retry with the next directory.
9135         (Add_symbols::run): If the file has an incompatible format, and
9136         it was searched for, requeue the Read_symbols task.  On error,
9137         release the object.
9138         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9139         dirindex parameter to constructor.  Change all callers.  Declare
9140         incompatible_warning and requeue.
9141         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9142         input_argument_ and input_group_ fields.  Add them to
9143         constructor.  Change all callers.
9144         (class Read_script): Add dirindex_ field.  Add it to constructor.
9145         Change all callers.
9146         * archive.cc (Archive::setup): Remove input_objects parameter.
9147         Change all callers.
9148         (Archive::get_file_and_offset): Likewise.
9149         (Archive::read_all_symbols): Likewise.
9150         (Archive::read_symbols): Likewise.
9151         (Archive::get_elf_object_for_member): Remove input_objects
9152         parameter.  Add punconfigured parameter.  Change all callers.
9153         (Archive::add_symbols): Change return type to bool.  Check return
9154         value of include_member.
9155         (Archive::include_all_members): Likewise.
9156         (Archive::include_member): Change return type to bool.  Return
9157         false if first included object has incompatible target.  Set
9158         included_member_ field.
9159         (Add_archive_symbols::run): If add_symbols returns false, requeue
9160         Read_symbols task.
9161         * archive.h (class Archive): Add included_member_ field.
9162         Initialize it in constructor.  Add input_file and searched_for
9163         methods.  Update declarations.
9164         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9165         input_argument_ fields.  Add them to constructor.  Change all
9166         callers.
9167         * script.cc: Include "target-select.h".
9168         (class Parser_closure): Add skip_on_incompatible_target_ and
9169         found_incompatible_target_ fields.  Add
9170         skip_on_incompatible_target parameter to constructor.  Change all
9171         callers.  Add methods skip_on_incompatible_target,
9172         clear_skip_on_incompatible_target, found_incompatible_target, and
9173         set_found_incompatible_target.
9174         (read_input_script): Add dirindex parameter.  Change all callers.
9175         If parser finds an incompatible target, requeue Read_symbols
9176         task.
9177         (script_set_symbol): Clear skip_on_incompatible_target in
9178         closure.
9179         (script_add_assertion, script_parse_option): Likewise.
9180         (script_start_sections, script_add_phdr): Likewise.
9181         (script_check_output_format): New function.
9182         * script.h (read_input_script): Update declaration.
9183         * script-c.h (script_check_output_format): Declare.
9184         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9185         (ignore_cmd): Remove OUTPUT_FORMAT.
9186         * fileread.cc (Input_file::Input_file): Add explicit this.
9187         (Input_file::will_search_for): New function.
9188         (Input_file::open): Add pindex parameter.  Change all callers.
9189         * fileread.h (class Input_file): Add input_file_argument method.
9190         Declare will_search_for.  Update declarations.
9191         * object.cc (make_elf_object): Add punconfigured parameter.
9192         Change all callers.
9193         * object.h (class Object): Make input_file public.  Add
9194         searched_for method.
9195         (make_elf_object): Update declaration.
9196         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9197         restart search.
9198         * dirsearch.h (class Dirsearch): Update declaration.
9199         * options.h (class General_options): Add --warn-search-mismatch.
9200         * parameters.cc (Parameters::is_compatible_target): New function.
9201         * parameters.h (class Parameters): Declare is_compatible_target.
9202         * workqueue.cc (Workqueue::add_blocker): New function.
9203         * workqueue.h (class Workqueue): Declare add_blocker.
9204
9205         * fileread.cc (Input_file::open): Remove options parameter.
9206         Change all callers.
9207         (Input_file::open_binary): Likewise.
9208         * script.cc (read_input_script): Likewise.
9209         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9210         options parameter from constructor.  Change all callers.
9211         (class Read_script): Likewise.
9212         * fileread.h (class Input_file): Update declarations.
9213         * script.h (read_input_script): Update declaration.
9214
9215 2009-03-10  Nick Clifton  <nickc@redhat.com>
9216
9217         * po/es.po: New Spanish translation.
9218
9219 2009-03-06  Cary Coutant  <ccoutant@google.com>
9220
9221         * options.cc (parse_short_option): Keep dash_z from registering itself.
9222
9223 2009-03-03  Ian Lance Taylor  <iant@google.com>
9224
9225         PR 9918
9226         * target-reloc.h (relocate_section): Pass output_section to
9227         relocate.
9228         * i386.cc (Target_i386::should_apply_static_reloc): Add
9229         output_section parameter.  Change all callers.
9230         (Target_i386::Relocate::relocate): Add output_section parameter.
9231         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9232         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9233         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9234         * testsuite/two_file_shared.sh: New script.
9235         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9236         (check_DATA): Add two_file_shared.dbg.
9237         (two_file_shared.dbg): New target.
9238         * testsuite/Makefile.in: Rebuild.
9239
9240 2009-03-01  Ian Lance Taylor  <iant@google.com>
9241
9242         * configure.ac: Check for byteswap.h.
9243         * configure: Rebuild.
9244         * config.in: Rebuild.
9245
9246 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9247
9248         * layout.cc (Layout::find_or_add_kept_section): New function.
9249         (Layout::add_comdat): Removed.
9250         * layout.h (struct Kept_section): Move out of class Layout.
9251         Remove trailing underscores from field names.  Add group_sections
9252         field.  Rename group_ field to is_group.  Change all uses.
9253         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9254         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9255         comdat_groups_ field.
9256         (Sized_relobj::include_section_group): Use
9257         find_or_add_kept_section and Kept_section::group_sections.
9258         (Sized_relobj::include_linkonce_section): Likewise.
9259         * object.cc (class Sized_relobj): Don't define Comdat_group or
9260         Comdat_group_table.  Remove find_comdat_group and
9261         add_comdat_group.  Remove comdat_groups_ field.
9262         * plugin.cc (include_comdat_group): Use
9263         Layout::find_or_add_kept_section.
9264
9265 2009-02-28  Ian Lance Taylor  <iant@google.com>
9266
9267         * README: --gc-sections and map files are now supported.  Document
9268         some build requirements.
9269
9270         PR 6992
9271         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9272         relocatable link set the value of the section symbol to zero.
9273         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9274         relocatable link don't include the section address in the local
9275         symbol value.
9276
9277 2009-02-27  Ian Lance Taylor  <iant@google.com>
9278
9279         PR 6811
9280         * options.h (class Search_directory): Add is_system_directory.
9281         (class General_options): Declare is_in_system_directory.
9282         * options.cc (get_relative_sysroot): Make static.
9283         (get_default_sysroot): Make static.
9284         (General_optoins::is_in_system_directory): New function.
9285         * fileread.cc (Input_file::is_in_system_directory): New function.
9286         * fileread.h (class Input_file): Declare is_in_system_directory.
9287         * object.h (class Object): Add is_in_system_directory.
9288         (class Input_objects): Remove system_library_directory_ field.
9289         * object.cc (Input_objects::add_object): Don't set
9290         system_library_directory_.
9291         (input_objects::found_in_system_library_directory): Remove.
9292         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9293         parameter.  Change all callers.
9294         (Symbol_table::sized_write_globals): Likewise.
9295         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9296         Call Object::is_in_system_directory.
9297         * symtab.h (class Symbol_table): Update declarations.
9298
9299         PR 5990
9300         * descriptors.h (Open_descriptor): Add is_on_stack field.
9301         * descriptors.cc (Descriptors::open): If the descriptor is on the
9302         top of the stack, remove it.  Initialize is_on_stack field.
9303         (Descriptors::release): Only add pod to stack if it is not on the
9304         stack already.
9305         (Descriptors::close_some_descriptor): Clear stack_next and
9306         is_on_stack fields.
9307
9308         PR 7091
9309         * output.cc (Output_section::find_starting_output_address): Rename
9310         from starting_output_address; add PADDR parameter; change return
9311         type.
9312         * output.h (class Output_section): Declare
9313         find_starting_output_address instead of starting_output_address.
9314         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9315         section symbol for which we can't find a merge section.
9316
9317         PR 9836
9318         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9319         hidden or internal, force the symbol to be local.
9320         * resolve.cc (Symbol::override_visibility): Define.
9321         (Symbol::override_base): Use override_visibility.
9322         (Symbol_table::resolve): Likewise.
9323         (Symbol::override_base_with_special): Likewise.
9324         (Symbol_table::override_with_special): If the visibility is hidden
9325         or internal, force the symbol to be local.
9326         * symtab.h (class Symbol): Add set_visibility and
9327         override_visibility.
9328         * testsuite/ver_test_1.sh: New file.
9329         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9330         (check_DATA): Add ver_test_1.syms.
9331         (ver_test_1.syms): New target.
9332         * testsuite/Makefile.in: Rebuild.
9333
9334 2009-02-25  Cary Coutant  <ccoutant@google.com>
9335
9336         * layout.cc (Layout::choose_output_section): Don't rename sections
9337         when using a linker script that has a SECTIONS clause.
9338         * Makefile.in: Regenerate.
9339
9340         * testsuite/Makefile.am (script_test_5.sh): New test case.
9341         * testsuite/Makefile.in: Regenerate.
9342         * testsuite/script_test_5.cc: New file.
9343         * testsuite/script_test_5.sh: New file.
9344         * testsuite/script_test_5.t: New file.
9345
9346 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9347
9348         * archive.cc (Archive::include_member): Update calls to add_symbols.
9349         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9350         the Layout argument.
9351         * dynobj.h (do_add_symbols): Add the Layout argument.
9352         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9353         Layout argument.
9354         * object.h (Object::add_symbols): Add the Layout argument.
9355         (Object::do_add_symbols): Add the Layout argument.
9356         (Sized_relobj::do_add_symbols): Add the Layout argument.
9357         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9358         Unify the two versions.
9359         (Add_plugin_symbols): Remove.
9360         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9361         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9362         (Add_plugin_symbols): Remove.
9363         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9364         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9365         (Add_symbols::run): Make it work with Pulginobj.
9366
9367 2009-02-06  Ian Lance Taylor  <iant@google.com>
9368
9369         * object.cc (Sized_relobj::do_layout): Make info message start
9370         with lower case letter.
9371
9372 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9373
9374         * binary.cc: Fix file comment.
9375
9376         * options.h (enum Incremental_disposition): Define.
9377         (class General_options): Add new options: --incremental,
9378         --incremental_changed, --incremental_unchanged,
9379         --incremental_unknown.  Add incremental_disposition_ and
9380         implicit_incremental_ fields.
9381         (General_options::incremental_disposition): New function.
9382         (class Position_dependent_options): Add incremental_disposition
9383         option.
9384         (Position_dependent_options::copy_from_options): Set incremental
9385         dispositions.
9386         * options.cc (General_options::parse_incremental_changed): New
9387         function.
9388         (General_options::parse_incremental_unchanged): New function.
9389         (General_options::parse_incremental_unknown): New function.
9390         (General_options::General_options): Initialize new fields
9391         incremental_disposition_ and implicit_incremental_.
9392         (General_options::finalize): Check for uasge of --incremental-*
9393         without --incremental.
9394
9395 2009-02-06  Chris Demetriou  <cgd@google.com>
9396
9397         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9398         pointer and to report location as the file name associated with
9399         the symbol.
9400         (gold_undefined_symbol_at_location): New function to replace the
9401         old gold_undefined_symbol functionality.
9402         * target-reloc.h (relocate_section): Update to use
9403         gold_undefined_symbol_at_location.
9404         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9405         Call gold_undefined_symbol function rather than gold_error.
9406         * errors.h (Errors::undefined_symbol): Take location as a
9407         string, rather than calculating it from a relocation.
9408         * errors.cc (Errors::fatal): Print "fatal error:" before the
9409         formatted message.
9410         (Errors::error, Errors::error_at_location): Print "error: "
9411         before the formatted message.
9412         (Errors::undefined_symbol): Take location as a string, rather
9413         than calculating it from a relocation.
9414         (gold_undefined_symbol_at_location): New function akin to
9415         old gold_undefined_symbol, calculates location from relocation.
9416         (gold_undefined_symbol): Change to take only a Symbol pointer
9417         and to report location as the file name associated with the symbol.
9418         * testsuite/debug_msg.sh: Update for changed error messages.
9419         * testsuite/undef_symbol.sh: Likewise.
9420
9421 2009-02-04  Duncan Sands  <baldrick@free.fr>
9422
9423         PR 9812
9424         * reduced_debug_output.h
9425         (Output_reduced_debug_abbrev_section::failed): Use format for
9426         gold_warning.
9427         (Output_reduced_debug_info_section::faild): Likewise.
9428
9429 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9430
9431         * script.cc (Lazy_demangler): New class.
9432         (Version_script_info::get_symbol_version_helper): Demangle a
9433         symbol only once.
9434
9435 2009-01-29  Cary Coutant  <ccoutant@google.com>
9436
9437         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9438         to __tls_get_addr.
9439         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9440
9441 2009-01-28  Ian Lance Taylor  <iant@google.com>
9442
9443         * version.cc (version_string): Bump to 1.9.
9444
9445         * gold.h: Include <cstring> and <stdint.h>.
9446         * version.cc: Include <cstdio>.
9447         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9448         warning.
9449         * reduced_debug_output.cc (insert_into_vector): Rename from
9450         Insert_into_vector; change all callers.  Use Swap_unaligned to
9451         avoid aliasing issue; remove union since it is unnecessary.
9452
9453 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9454
9455         * Makefile.am (CCFILES): Add gc.cc.
9456         (HFILES): Add gc.h.
9457         * Makefile.in: Regenerate.
9458         * gold.cc (Gc_runner): New class.
9459         (queue_initial_tasks): Call garbage collection related tasks
9460         when corresponding options are invoked.
9461         (queue_middle_gc_tasks): New function.
9462         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9463         processed early before laying out sections during garbage collection.
9464         * gold.h (queue_middle_gc_tasks): New function.
9465         (is_prefix_of): Move from "layout.cc".
9466         * i386.cc (Target_i386::gc_process_relocs): New function.
9467         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9468         * main.cc (main): Create object of class "Garbage_collection".
9469         * object.cc (Relobj::copy_symbols_data): New function.
9470         (Relobj::is_section_name_included): New function.
9471         (Sized_relobj::do_layout): Allow this function to be called twice
9472         during garbage collection and defer layout of section during the
9473         first call.
9474         * object.h (Relobj::get_symbols_data): New function.
9475         (Relobj::is_section_name_included): New function.
9476         (Relobj::copy_symbols_data): New function.
9477         (Relobj::set_symbols_data): New function.
9478         (Relobj::get_relocs_data): New function.
9479         (Relobj::set_relocs_data): New function.
9480         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9481         (Relobj::gc_process_relocs): New function.
9482         (Relobj::do_gc_process_relocs): New pure virtual function.
9483         (Relobj::sd_): New data member.
9484         (Sized_relobj::is_output_section_offset_invalid): New function.
9485         (Sized_relobj::do_gc_process_relocs): New function.
9486         * options.h (General_options::gc_sections): Modify to not be a no-op.
9487         (General_options::print_gc_sections): New option.
9488         * plugin.cc (Plugin_finish::run): Remove function call to
9489         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9490         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9491         * reloc.cc (Read_relocs::run): Add task to process relocs and
9492         determine unreferenced sections when doing garbage collection.
9493         (Gc_process_relocs): New class.
9494         (Sized_relobj::do_gc_process_relocs): New function.
9495         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9496         sections that are garbage collected.
9497         * reloc.h (Gc_process_relocs): New class.
9498         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9499         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9500         symbols whose corresponding sections are garbage collected.
9501         (Symbol_table::Symbol_table): Add new parameter for the garbage
9502         collection object.
9503         (Symbol_table::gc_mark_undef_symbols): New function.
9504         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9505         (Symbol_table::gc_mark_dyn_syms): New function.
9506         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9507         as garbage.
9508         (Symbol_table::add_from_object): Likewise.
9509         (Symbol_table::add_from_relobj): When building shared objects, do not
9510         treat externally visible symbols as garbage.
9511         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9512         table information for static and relocatable links.
9513         * symtab.h (Symbol_table::set_gc): New function.
9514         (Symbol_table::gc): New function.
9515         (Symbol_table::gc_mark_undef_symbols): New function.
9516         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9517         (Symbol_table::gc_mark_dyn_syms): New function.
9518         (Symbol_table::gc_): New data member.
9519         * target.h (Sized_target::gc_process_relocs): New pure virtual
9520         function.
9521         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9522         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9523
9524 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9525
9526         * options.h (General_options::gc_sections): Define as a no-op for now.
9527         (General_options::no_keep_memory): Ditto.
9528         (General_options::Bshareable): Define.
9529         * options.cc (General_options::finalize): Honor -Bshareable.
9530
9531 2009-01-20  Andreas Schwab  <schwab@suse.de>
9532
9533         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9534         read the value in the contents, since we don't use it.  Use the
9535         template endianness when writing.
9536         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9537
9538 2009-01-19  Andreas Schwab  <schwab@suse.de>
9539
9540         * configure.tgt (powerpc64-*): Fix targ_obj.
9541
9542 2009-01-15  Ian Lance Taylor  <iant@google.com>
9543
9544         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9545         local symbols when stripping all symbols.
9546
9547 2009-01-14  Cary Coutant  <ccoutant@google.com>
9548
9549         * output.cc (Output_reloc): Add explicit instantiations.
9550
9551 2009-01-14  Cary Coutant  <ccoutant@google.com>
9552
9553         * archive.cc (Archive::get_elf_object_for_member): Remove call
9554         to File_read::claim_for_plugin.
9555         * descriptors.cc (Descriptors::open): Remove reference to
9556         is_claimed.
9557         (Descriptors::claim_for_plugin): Remove.
9558         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9559         (Descriptors::is_claimed): Remove.
9560         (claim_descriptor_for_plugin): Remove.
9561         * fileread.cc (File_read::claim_for_plugin): Remove.
9562         * fileread.h (File_read::claim_for_plugin): Remove.
9563         (File_read::descriptor): Reopen descriptor if necessary.
9564         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9565         (Plugin_manager::all_symbols_read): Add task parameter. Change
9566         all callers.
9567         (Plugin_manager::get_input_file): New function.
9568         (Plugin_manager::release_input_file): New function.
9569         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9570         corresponding data member.
9571         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9572         and pass to base constructor. Change all callers.
9573         (get_input_file, release_input_file): New functions.
9574         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9575         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9576         (Plugin_manager::all_symbols_read): Add task parameter.
9577         (Plugin_manager::get_input_file): New function.
9578         (Plugin_manager::release_input_file): New function.
9579         (Plugin_manager::task_): New data member.
9580         (Pluginobj::Pluginobj): Add filesize parameter.
9581         (Pluginobj::filename): New function.
9582         (Pluginobj::descriptor): New function.
9583         (Pluginobj::filesize): New function.
9584         (Pluginobj::filesize_): New data member.
9585         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9586         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9587         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9588
9589         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9590         with archive libraries.
9591         * testsuite/Makefile.in: Regenerate.
9592         * testsuite/plugin_test.c (struct sym_info): New type.
9593         (get_input_file, release_input_file): New static variables.
9594         (onload): Capture new transfer vector entries.
9595         (claim_file_hook): Stop reading at end of file according to filesize.
9596         Factor out parsing of readelf output into separate function.
9597         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9598         APIs and get the source file name from the symbol table.  Convert
9599         source file name to corresponding object file name.  Print info
9600         message when adding new input files.
9601         (parse_readelf_line): New function.
9602         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9603         * testsuite/plugin_test_2.sh: Likewise.
9604         * testsuite/plugin_test_3.sh: Likewise.
9605         * testsuite/plugin_test_4.sh: New test case.
9606
9607 2009-01-07  Ian Lance Taylor  <iant@google.com>
9608
9609         * version.cc (version_string): Bump to 1.8.
9610
9611 2008-12-23  Cary Coutant  <ccoutant@google.com>
9612
9613         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9614         * plugin.cc (Plugin_manager::finish): Rename as
9615         layout_deferred_objects.  Move cleanup to separate function.
9616         (Plugin_manager::cleanup): New function.
9617         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9618         separately.
9619         * plugin.h (Plugin_manager::finish): Rename as
9620         layout_deferred_objects.
9621         (Plugin_manager::cleanup): New function.
9622         (Plugin_manager::cleanup_done): New field.
9623
9624 2008-12-23  Cary Coutant  <ccoutant@google.com>
9625
9626         * plugin.cc (is_visible_from_outside): New function.
9627         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9628         so we don't return "IR only" status for exported symbols or -r links.
9629
9630         * testsuite/Makefile.am (plugin_test_3): New test case.
9631         * testsuite/Makefile.in: Regenerate.
9632         * testsuite/plugin_test_3.sh: New file.
9633
9634 2008-12-22  Cary Coutant  <ccoutant@google.com>
9635
9636         * object.cc (Sized_relobj::layout_section): New function.
9637         (Sized_relobj::do_layout): Defer layout of input sections until after
9638         plugin has provided replacement files.
9639         (Sized_relobj::do_layout_deferred_sections): New function.
9640         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9641         (Relobj::layout_deferred_sections): New function.
9642         (Relobj::do_layout_deferred_sections): New function.
9643         (Sized_relobj::do_layout_deferred_sections): New function.
9644         (Sized_relobj::layout_section): New function.
9645         (Sized_relobj::Deferred_layout): New structure.
9646         (Sized_relobj::deferred_layout_): New field.
9647         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9648         Change all callers.  Layout deferred sections.
9649         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9650         references.
9651         (Plugin_hook::run): Move code from do_plugin_hook inline.
9652         (Plugin_hook::do_plugin_hook): Remove.
9653         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9654         (Plugin_manager::finish): Renamed, was cleanup.
9655         (Plugin_manager::should_defer_layout): New function.
9656         (Plugin_manager::add_deferred_layout_object): New function.
9657         (Plugin_manager::Deferred_layout_list): New type.
9658         (Plugin_manager::deferred_layout_objects_): New field.
9659         (Plugin_hook::do_plugin_hook): Remove.
9660
9661 2008-12-17  Ian Lance Taylor  <iant@google.com>
9662
9663         * options.h (class General_options): Add --no case for
9664         --export-dynamic.
9665
9666 2008-12-16  Cary Coutant  <ccoutant@google.com>
9667
9668         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9669         vector.
9670         (Plugin_manager::claim_file): Create plugin object even if
9671         plugin did not call the add_symbols callback.
9672         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9673         asking for more symbols than were added.
9674         * testsuite/Makefile.am (plugin_test_1): Add test case with
9675         no global symbols.
9676         (empty.syms): New target.
9677         * testsuite/Makefile.in: Regenerate.
9678         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9679         message. Don't call add_symbols if no globals.
9680         (all_symbols_read_hook): Don't provide replacement for empty
9681         claimed file.
9682
9683 2008-12-12  Ian Lance Taylor  <iant@google.com>
9684
9685         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9686         r_type == 0 for a local symbol with r_sym == 0.
9687         (scan_relocatable_relocs): Pass r_sym to
9688         local_non_section_strategy.
9689         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9690         r_sym parameter.
9691
9692         * configure.ac: Update test for TLS descriptors: they are
9693         supported as of glibc 2.9.
9694         * configure: Rebuild.
9695
9696 2008-12-11  Ian Lance Taylor  <iant@google.com>
9697
9698         PR 7091
9699         * target-reloc.h (Default_scan_relocatable_relocs): For each
9700         function, map r_type == 0 to RELOC_DISCARD.
9701
9702 2008-12-10  Cary Coutant  <ccoutant@google.com>
9703
9704         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9705         object to override a kept COMDAT group from a plugin object.
9706
9707 2008-12-09  Ian Lance Taylor  <iant@google.com>
9708
9709         PR 7088
9710         * yyscript.y (file_cmd): Handle INPUT.
9711
9712         * testsuite/initpri1.c: Change all declarations to be full
9713         prototypes by adding void, to avoid compiler warnings.
9714
9715 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9716
9717         * options.cc (General_options::parse_plugin_opt): New.
9718         (General_options::add_plugin): The argument now is just the filename.
9719         (General_options::add_plugin_option): New.
9720         * options.h (plugin_opt): New.
9721         (add_plugin): Change argument name.
9722         (add_plugin_option): New.
9723         * plugin.cc (Plugin::load): Don't parse the plugin option.
9724         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9725         (Plugin::add_option): New.
9726         (Plugin::args_): Change type.
9727         (Plugin::filename_): New.
9728         (Plugin_manager::add_plugin_option): New.
9729         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9730         * testsuite/Makefile.in: Regenerate.
9731
9732 2008-12-05  Cary Coutant  <ccoutant@google.com>
9733
9734         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9735         Handle --strip-lto-sections option.
9736         * options.h (strip_lto_sections): New option.
9737
9738 2008-12-01  Cary Coutant  <ccoutant@google.com>
9739
9740         * plugin.cc (ld_plugin_message): Change format parameter to const.
9741         Fix mismatch between new[] and delete.
9742
9743 2008-11-14  Cary Coutant  <ccoutant@google.com>
9744
9745         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9746         instead of -1U.
9747
9748 2008-11-05  Craig Silverstein  <csilvers@google.com>
9749
9750         * options.cc (General_options::parse_dynamic_list): New function.
9751         * options.h (General_options): New flags dynamic_list,
9752         dynamic_list_data, dynamic_list_cpp_new, and
9753         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9754         (General_options::in_dynamic_list): New function.
9755         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9756         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9757         (Lex::can_continue_name): Likewise.
9758         (yylex): Likewise.
9759         (read_script_file): New parameter script_options.
9760         (read_dynamic_list): New function.
9761         (Script_options::define_dynamic_list): New function.
9762         (dynamic_list_keyword_parsecodes): New variable.
9763         (dynamic_list_keywords): New variable.
9764         * script.h (Script_options::define_dynamic_list): New function
9765         prototype.
9766         (read_dynamic_list): New function prototype.
9767         * symtab.cc (strprefix): New macro.
9768         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9769         dynamic_list_data, dynamic_list_cpp_new, and
9770         dynamic_list_cpp_typeinfo.
9771         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9772         (dynamic_list_expr): New rule.
9773         (dynamic_list_nodes): Likewise.
9774         (dynamic_list_node): Likewise.
9775         * testsuite/Makefile.am (dynamic_list): New test.
9776         * testsuite/Makefile.in: Regenerated.
9777         * testsuite/dynamic_list.t: New file.
9778         * testsuite/dynamic_list.sh: New file.
9779
9780 2008-11-05  Craig Silverstein  <csilvers@google.com>
9781
9782         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9783         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9784         (t11_last): Likewise.
9785         * testsuite/ver_test_6.c (main): Likewise.
9786
9787 2008-10-07  Cary Coutant  <ccoutant@google.com>
9788
9789         * options.c (General_options::finalize): Add check for -static and
9790         -shared.
9791         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9792         is not empty.
9793
9794 2008-10-02  Cary Coutant  <ccoutant@google.com>
9795
9796         * plugin.cc (make_sized_plugin_object): Fix conditional
9797         compilation to work when not all targets are enabled.
9798
9799 2008-09-29  Cary Coutant  <ccoutant@google.com>
9800
9801         * archive.cc (Archive::get_file_and_offset): Use filename instead
9802         of name to get library path.
9803         (Archive::include_member): Unlock external member of a thin archive.
9804
9805         * testsuite/Makefile.am (TEST_AR): New variable.
9806         (thin_archive_test_1): New test.
9807         (thin_archive_test_2): New test.
9808         * testsuite/Makefile.in: Regenerate.
9809         * testsuite/thin_archive_main.cc: New file.
9810         * testsuite/thin_archive_test_1.cc: New file.
9811         * testsuite/thin_archive_test_2.cc: New file.
9812         * testsuite/thin_archive_test_3.cc: New file.
9813         * testsuite/thin_archive_test_4.cc: New file.
9814
9815 2008-09-29  Cary Coutant  <ccoutant@google.com>
9816
9817         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9818         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9819         instead of -1U.
9820         (Sized_relobj::do_finalize_local_symbols): Likewise.
9821         (Sized_relobj::map_to_kept_section): Likewise.
9822         * object.h (Sized_relobj::invalid_address): New constant.
9823         (Sized_relobj::do_output_section_offset): Check for invalid_address
9824         and return -1ULL.
9825         * output.cc (Output_reloc::local_section_offset): Use constant
9826         invalid_address instead of -1U.
9827         (Output_reloc::get_address): Likewise.
9828         (Output_section::output_address): Change -1U to -1ULL.
9829         * output.h (Output_reloc::invalid_address): New constant.
9830         * reloc.cc (Sized_relobj::write_sections): Use constant
9831         invalid_address instead of -1U.
9832         (Sized_relobj::relocate_sections): Likewise.
9833         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9834         values for merge sections.
9835         * target-reloc.h (relocate_for_relocatable): Use constant
9836         invalid_address instead of -1U.
9837
9838 2008-09-19  Cary Coutant  <ccoutant@google.com>
9839
9840         Add plugin functionality for link-time optimization (LTO).
9841         * configure.ac (plugins): Add --enable-plugins option.
9842         * configure: Regenerate.
9843         * config.in: Regenerate.
9844         * Makefile.am (LIBDL): New variable.
9845         (CCFILES): Add plugin.cc.
9846         (HFILES): Add plugin.h.
9847         (ldadd_var): Add LIBDL.
9848         * Makefile.in: Regenerate.
9849
9850         * archive.cc: Include "plugin.h".
9851         (Archive::setup): Don't preread archive symbols when using a plugin.
9852         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9853         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9854         files.
9855         (Archive::include_member): Add symbols from plugin objects.
9856         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9857         * descriptors.cc (Descriptors::open): Check for file descriptors
9858         abandoned by plugins.
9859         (Descriptors::claim_for_plugin): New function.
9860         * descriptors.h (Descriptors::claim_for_plugin): New function.
9861         (Open_descriptor::is_claimed): New field.
9862         (claim_descriptor_for_plugin): New function.
9863         * fileread.cc (File_read::claim_for_plugin): New function.
9864         * fileread.h (File_read::claim_for_plugin): New function.
9865         (File_read::descriptor): New function.
9866         * gold.cc: Include "plugin.h".
9867         (queue_initial_tasks): Add task to call plugin hooks for generating
9868         new object files.
9869         * main.cc: Include "plugin.h".
9870         (main): Load plugin libraries.
9871         * object.h (Pluginobj): Declare.
9872         (Object::pluginobj): New function.
9873         (Object::do_pluginobj): New function.
9874         (Object::set_target): New function.
9875         * options.cc: Include "plugin.h".
9876         (General_options::parse_plugin): New function.
9877         (General_options::General_options): Initialize plugins_ field.
9878         (General_options::add_plugin): New function.
9879         * options.h (Plugin_manager): Declare.
9880         (General_options): Add --plugin option.
9881         (General_options::has_plugins): New function.
9882         (General_options::plugins): New function.
9883         (General_options::add_plugin): New function.
9884         (General_options::plugins_): New field.
9885         * plugin.cc: New file.
9886         * plugin.h: New file.
9887         * readsyms.cc: Include "plugin.h".
9888         (Read_symbols::do_read_symbols): Check for archive before checking
9889         for ELF file.  Call plugin hooks to claim files.
9890         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9891         from a real object file; force override when processing replacement
9892         files.
9893         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9894         (Symbol::init_base_object): Likewise.
9895         (Symbol::init_base_output_data): Likewise.
9896         (Symbol::init_base_output_segment): Likewise.
9897         (Symbol::init_base_constant): Likewise.
9898         (Symbol::init_base_undefined): Likewise.
9899         (Symbol::output_section): Assert that object is not a plugin.
9900         (Symbol_table::add_from_pluginobj): New function.
9901         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9902         undefined.
9903         (Symbol_table::sized_write_globals): Likewise.
9904         (Symbol_table::add_from_pluginobj): Instantiate template.
9905         * symtab.h (Sized_pluginobj): Declare.
9906         (Symbol::in_real_elf): New function.
9907         (Symbol::set_in_real_elf): New function.
9908         (Symbol::in_real_elf_): New field.
9909         (Symbol_table::add_from_pluginobj): New function.
9910
9911         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9912         (LIBDL): New variable.
9913         (LDADD): Add LIBDL.
9914         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9915         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9916         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9917         (MOSTLYCLEANFILES): Likewise.
9918         * testsuite/Makefile.in: Regenerate.
9919         * testsuite/plugin_test.c: New file.
9920         * testsuite/plugin_test_1.sh: New file.
9921         * testsuite/plugin_test_2.sh: New file.
9922
9923 2008-09-16  Ian Lance Taylor  <iant@google.com>
9924
9925         * target-reloc.h (relocate_section): Check whether a symbol is
9926         defined by the ABI before reporting an undefined symbol error.
9927         * target.h (Target::is_defined_by_abi): Make parameter const.
9928         (Target::do_is_defined_by_abi): Likewise.
9929         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9930         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9931         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9932         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9933         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9934         * testsuite/Makefile.in: Rebuild.
9935
9936         * fileread.cc (make_view): Add casts to avoid warning.
9937
9938 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9939
9940         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9941         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9942
9943 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9944
9945         * options.h (General_options::output_is_executable): New.
9946         (General_options::output_is_pie): New.
9947         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9948         for shared libraries.
9949         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9950
9951 2008-09-11  Chris Demetriou  <cgd@google.com>
9952
9953         * options.h (origin): New -z option.
9954         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9955         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9956         in DT_FLAGS_1.
9957
9958 2008-09-05  Cary Coutant  <ccoutant@google.com>
9959
9960         * fileread.cc (File_read::make_view): Add check for attempt to map
9961         beyond end of file.
9962
9963 2008-09-05  Cary Coutant  <ccoutant@google.com>
9964
9965         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9966         explicit instantiations.
9967
9968 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9969
9970         PR gold/6858
9971         * options.cc (General_options::finalize): Allow undefined symbols
9972         in shlibs if linking -shared.
9973
9974         PR gold/6859
9975         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9976         symbols as not needing a dynsym entry.
9977
9978 2008-08-20  Craig Silverstein  <csilvers@google.com>
9979
9980         * fileread.cc (File_read::open): Do not lock the file unless it
9981         was successfully opened.
9982
9983 2008-08-14  Cary Coutant  <ccoutant@google.com>
9984
9985         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9986         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9987         * testsuite/tls_test.cc (struct int128): 128-bit struct
9988         for testing TLS relocs with non-zero addend.
9989         (v12): New TLS variable.
9990         (t12): New test.
9991         (t_last): Add check for v12.
9992         * testsuite/tls_test.h (t12): New function.
9993         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9994
9995 2008-08-13  Ian Lance Taylor  <iant@google.com>
9996
9997         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9998         set tls_segment_ or relro_segment_.
9999         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10000         when appropriate.
10001         * output.h (Output_section::clear_is_relro): New function.
10002         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10003         sections specially even when output_data_ is empty.
10004         (Output_segment::maximum_alignment): When first section is relro,
10005         only force alignment for PT_LOAD segments.
10006         * script.cc (script_data_segment_align): New function.
10007         (script_data_segment_relro_end): New function.
10008         * script-c.h (script_data_segment_align): Declare.
10009         (script_data_segment_relro_end): Declare.
10010         * script-sections.h (class Script_sections): Declare
10011         data_segment_align and data_segment_relro_end.  Add fields
10012         segment_align_index_ and saw_relro_end_.
10013         * script-sections.cc (class Sections_element): Add set_is_relro
10014         virtual function.  Add new bool* parameter to place_orphan_here.
10015         Add get_output_section virtual function.
10016         (class Output_section_definition): Add set_is_relro.  Add new
10017         bool* parameter to place_orphan_here.  Add get_output_section.
10018         Add is_relro_ field.
10019         (Output_section_definition::Output_section_definition): Initialize
10020         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10021         and is_relro_ fields.
10022         (Output_section_definition::place_orphan_here): Add is_relro
10023         parameter.
10024         (Output_section_definition::set_section_addresses): Set relro for
10025         output section.
10026         (Output_section_definition::alternate_constraint): Likewise.
10027         (class Orphan_output_section): Add new bool* parameter to
10028         place_orphan_here.  Add get_output_section.
10029         (Orphan_output_section::place_orphan_here): Add is_relro
10030         parameter.
10031         (Script_sections::Script_sections): Initialize
10032         data_segment_align_index_ and saw_relro_end_.
10033         (Script_sections::data_segment_align): New function.
10034         (Script_sections::data_segment_relro_end): New function.
10035         (Script_sections::place_orphan): Set or clear is_relro.
10036         (Script_sections::set_section_addresses): Force alignment of first
10037         TLS section.
10038         * yyscript.y (exp): Call script_data_segment_align and
10039         script_data_segment_relro_end.
10040         * testsuite/relro_script_test.t: New file.
10041         * testsuite/relro_test.cc (using_script): Declare.
10042         (t1, t2): Test using_script.
10043         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10044         (relro_script_test_SOURCES): Define.
10045         (relro_script_test_DEPENDENCIES): Define.
10046         (relro_script_test_LDFLAGS): Define.
10047         (relro_script_test_LDADD): Define.
10048         (relro_script_test.so): New target.
10049         * testsuite/Makefile.in: Rebuild.
10050
10051 2008-08-06  Cary Coutant <ccoutant@google.com>
10052
10053         * archive.cc (Archive::total_archives, Archive::total_members)
10054         (Archive::total_members_loaded): New variables.
10055         (Archive::setup): Add parameter.  Add option to preread
10056         archive symbols.
10057         (Archive::read_armap): Add counter.
10058         (Archive::get_file_and_offset): New function.
10059         (Archive::get_elf_object_for_member): New function.
10060         (Archive::read_all_symbols): New function.
10061         (Archive::read_symbols): New function.
10062         (Archive::add_symbols): Add counters.
10063         (Archive::include_all_members): Use armap to find members if it's
10064         already built.
10065         (Archive::include_member): Skip reading symbols if already read.
10066         Factored code into Archive::get_file_and_offset and
10067         Archive::get_elf_object_for_member.  Changed call to
10068         Mapfile::report_include_archive_member.
10069         (Archive::print_stats): New function.
10070         * archive.h: Declare Object and Read_symbols_data classes.
10071         (Archive::Archive): Add initializers for new members.
10072         (Archive::setup): Add parameter.
10073         (Archive::print_stats): New function.
10074         (Archive::total_archives, Archive::total_members)
10075         (Archive::total_members_loaded): New variables.
10076         (Archive::get_file_and_offset): New function.
10077         (Archive::get_elf_object_for_member): New function.
10078         (Archive::read_all_symbols): New function.
10079         (Archive::read_symbols): New function.
10080         (Archive::Archive_member): New class.
10081         (Archive::members_): New member.
10082         (Archive::num_members_): New member.
10083         * main.cc: Include archive.h.
10084         (main): Call Archive::print_stats.
10085         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10086         archive parameter; member_name is now the fully-decorated name.
10087         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10088         * options.h: (General_options): Add --preread-archive-symbols option.
10089         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10090         Archive::setup.
10091
10092 2008-08-04  Ian Lance Taylor  <iant@google.com>
10093
10094         * symtab.h (Symbol::use_plt_offset): New function.
10095         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10096         * powerpc.cc (Relocate::relocate): Likewise.
10097         * sparc.cc (Relocate::relocate): Likewise.
10098         * x86_64.cc (Relocate::relocate): Likewise.
10099         * testsuite/weak_plt.sh: New test.
10100         * testsuite/weak_plt_main.cc: New test.
10101         * testsuite/weak_plt_shared.cc: New test.
10102         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10103         (check_PROGRAMS): Add weak_plt.
10104         (check_DATA): Add weak_plt_shared.so.
10105         (weak_plt_main_pic.o, weak_plt): New targets.
10106         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10107         * testsuite/Makefile.in: Rebuild.
10108
10109         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10110         gcctestdir/ld.
10111         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10112         * testsuite/Makefile.in: Rebuild.
10113
10114 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10115
10116         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10117         * Makefile.in: Regenerate.
10118         * po/POTFILES.in: Regenerate.
10119
10120 2008-07-29  Ian Lance Taylor  <iant@google.com>
10121
10122         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10123         symbols before other symbols.
10124         * testsuite/script_test_2.cc (test_addr): Declare.
10125         (test_addr_alias): Declare.
10126         (main): Check that test_addr and test_addr_alias have the right
10127         values.
10128         * testsuite/script_test_2.t: Define test_addr_alias and
10129         test_addr.
10130
10131 2008-07-24  Ian Lance Taylor  <iant@google.com>
10132
10133         PR 5990
10134         * descriptors.cc: New file.
10135         * descriptors.h: New file.
10136         * gold-threads.h (class Hold_optional_lock): New class.
10137         * fileread.cc: Include "descriptors.h".
10138         (File_read::~File_read): Release descriptor rather than closing
10139         it.
10140         (File_read::open) [file]: Call open_descriptor rather than open.
10141         Set is_descriptor_opened_.
10142         (File_read::open) [memory]: Assert that descriptor is not open.
10143         (File_read::reopen_descriptor): New function.
10144         (File_read::release): Release descriptor.
10145         (File_read::do_read): Make non-const.  Reopen descriptor.
10146         (File_read::read): Make non-const.
10147         (File_read::make_view): Reopen descriptor.
10148         (File_read::do_readv): Likewise.
10149         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10150         Update declarations.
10151         * layout.cc: Include "descriptors.h".
10152         (Layout::create_build_id): Use open_descriptor rather than open.
10153         * output.cc: Include "descriptors.h".
10154         (Output_file::open): Use open_descriptor rather than open.
10155         * archive.cc (Archive::const_iterator): Change Archive to be
10156         non-const.
10157         (Archive::begin, Archive::end): Make non-const.
10158         (Archive::count_members): Likewise.
10159         * archive.h (class Archive): Update declarations.
10160         * object.h (Object::read): Make non-const.
10161         * Makefile.am (CCFILES): Add descriptors.cc.
10162         (HFILES): Add descriptors.h.
10163         * Makefile.in: Rebuild.
10164
10165         PR 6716
10166         * gold.h: Always include <clocale>.  Add Solaris workarounds
10167         following code in binutils/sysdep.h.
10168
10169         PR 6048
10170         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10171         this->eh_frame_hdr_ is NULL before using it.
10172
10173         * dynobj.cc (Versions::Versions): Update comment.
10174
10175         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10176         the base version name.
10177
10178         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10179         array size plus one.
10180         (Stringpool_template::set_string_offsets): Subtract one from key
10181         before using it as an array index.
10182         (Stringpool_template::get_offset_with_length): Likewise.
10183         (Stringpool_template::write_to_buffer): Likewise.
10184         * stringpool.h (Stringpool_template::get_offset_from_key):
10185         Likewise.
10186
10187 2008-07-23  Ian Lance Taylor  <iant@google.com>
10188
10189         PR 6658
10190         * object.h (Merged_symbol_value::value): Do our best to handle a
10191         negative addend.
10192
10193         PR 6647
10194         * script.cc (Version_script_info::get_versions): Don't add empty
10195         version tag to return value.
10196         (Version_script_info::get_symbol_version_helper): Change return
10197         type to bool.  Add pversion parameter.  Change all callers.
10198         (script_register_vers_node): Don't require a non-NULL tag.
10199         * script.h (class Version_script_info): Update declarations.
10200         (Version_script_info::get_symbol_version): Change return type to
10201         bool.  Add version parameter.  Change all callers.
10202         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10203         handling.  Handle an empty version from a version script.
10204         (Symbol_table::define_special_symbol): Likewise.
10205         * testsuite/ver_test_10.script: New file.
10206         * testsuite/ver_test_10.sh: New file.
10207         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10208         (check_DATA): Add ver_test_10.syms.
10209         (ver_test_10.syms, ver_test_10.so): New target.
10210         * testsuite/Makefile.in: Rebuild.
10211
10212 2008-07-23  Simon Baldwin  <simonb@google.com>
10213
10214         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10215         to zero for undefined symbols from dynamic libraries.
10216
10217 2008-07-23  Ian Lance Taylor  <iant@google.com>
10218
10219         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10220         Change all callers.
10221         * symtab.h (class Symbol_table): Update declaration.
10222         * testsuite/ver_test_9.cc: New file.
10223         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10224         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10225         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10226         (ver_test_9.so, ver_test_9.o): New targets.
10227         * testsuite/Makefile.in: Rebuild.
10228
10229 2008-07-22  Ian Lance Taylor  <iant@google.com>
10230
10231         * options.h (class General_options): Define --check-sections.
10232         * layout.cc (Layout::set_segment_offsets): Handle
10233         --check-sections.
10234
10235         * options.h (class General_options): Define -n/--nmagic and
10236         -N/--omagic.
10237         * options.cc (General_options::finalize): For -n/--nmagic or
10238         -N/--omagic, set -static.
10239         * layout.cc (Layout::attach_allocated_section_to_segment): If
10240         -N/--omagic, don't put read-only and read-write sections in
10241         different segments.
10242         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10243         finding a read-only segment.
10244         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10245         don't set the minimum segment alignment to the common page size,
10246         and don't set the file offset to the address modulo the page size.
10247         * script-sections.cc (Script_sections::create_segments): If
10248         -n/--omagic, don't put read-only and read-write sections in
10249         different segments.
10250
10251         * cref.cc: New file.
10252         * cref.h: New file.
10253         * options.h (class General_options): Add --print-symbol-counts.
10254         * main.cc (main): Issue defined symbol report if requested.
10255         * archive.cc (Archive::interpret_header): Make into a const member
10256         function.
10257         (Archive::add_symbols): Call Input_objects::archive_start and
10258         archive_stop.
10259         (Archive::const_iterator): Define new class.
10260         (Archive::begin, Archive::end): New functions.
10261         (Archive::include_all_members): Rewrite to use iterator.
10262         (Archive::count_members): New function.
10263         * archive.h (class Archive): Update declarations.
10264         (Archive::filename): New function.
10265         * object.cc: Include "cref.h".
10266         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10267         (Sized_relobj::do_get_global_symbol_counts): New function.
10268         (Input_objects::add_object): Add object to cross-referencer.
10269         (Input_objects::archive_start): New function.
10270         (Input_objects::archive_stop): New function.
10271         (Input_objects::print_symbol_counts): New function.
10272         * object.h: Declare Cref and Archive.
10273         (Object::get_global_symbol_counts): New function.
10274         (Object::do_get_global_symbol_counts): New pure virtual function.
10275         (class Sized_relobj): Add defined_count_ field.  Update
10276         declarations.
10277         (class Input_objects): Add cref_ field.  Update constructor.
10278         Update declarations.
10279         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10280         defined_count_.
10281         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10282         symbol counts.
10283         (Sized_dynobj::do_get_global_symbol_counts): New function.
10284         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10285         defined_count_.  Update declarations.  Define Symbols typedef.
10286         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10287         parameter.  Change all callers.
10288         (Symbol_table::add_from_dynobj): Add sympointers and defined
10289         parameters.  Change all callers.
10290         * symtab.h (class Symbol_table): Update declarations.
10291         * Makefile.am (CCFILES): Add cref.cc.
10292         (HFILES): Add cref.h.
10293         * Makefile.in: Rebuild.
10294
10295 2008-07-22  Simon Baldwin  <simonb@google.com>
10296
10297         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10298         to zero when writing undefined symbols.
10299
10300 2008-07-22  Ian Lance Taylor  <iant@google.com>
10301
10302         * output.cc (Output_section::add_input_section): Don't try to
10303         merge empty merge sections.
10304
10305 2008-07-21  Craig Silverstein  <csilvers@google.com>
10306
10307         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10308         Include symbol version in error message.
10309
10310 2008-07-20  Chris Demetriou  <cgd@google.com>
10311
10312         * configure.ac (gold_cv_c_random_seed): New configured variable.
10313         (RANDOM_SEED_CFLAGS): New substituted variable.
10314         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10315         * configure: Rebuild.
10316         * Makefile.in: Likewise.
10317         * testsuite/Makefile.in: Likewise.
10318
10319 2008-07-18  Ian Lance Taylor  <iant@google.com>
10320
10321         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10322         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10323         * testsuite/ver_test_main.cc (main): Call t4.
10324         (t4, t4_2a): Define.
10325         * testsuite/ver_test_2.cc (t4_2): Define.
10326         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10327         * testsuite/ver_test_4.cc (t4_2a): Define.
10328         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10329         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10330
10331 2008-07-17  Ian Lance Taylor  <iant@google.com>
10332
10333         * dynobj.cc (Versions::add_def): If we give an error about a
10334         missing version, go ahead and create the version anyhow.
10335
10336 2008-07-10  Ian Lance Taylor  <iant@google.com>
10337
10338         Handle output sections with more than 0x7fffffff bytes.
10339         * object.h (class Relobj): Change map_to_output_ to
10340         output_sections_, and just keep a section pointer.  Change all
10341         uses.  Move comdat group support to Sized_relobj.
10342         (Relobj::is_section_specially_mapped): Remove.
10343         (Relobj::output_section): Remove poff parameter.  Change all
10344         callers.
10345         (Relobj::output_section_offset): New function.
10346         (Relobj::set_section_offset): Rewrite.
10347         (Relobj::map_to_output): Remove.
10348         (Relobj::output_sections): New function.
10349         (Relobj::do_output_section_offset): New pure virtual function.
10350         (Relobj::do_set_section_offset): Likewise.
10351         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10352         group support from Relobj.  Update declarations.
10353         (Sized_relobj::get_output_section_offset): New function.
10354         (Sized_relobj::do_output_section_offset): New function.
10355         (Sized_relobj::do_set_section_offset): New function.
10356         * object.cc (Relobj::output_section_address): Remove.
10357         (Sized_relobj::Sized_relobj): Initialize new fields.
10358         (Sized_relobj::include_section_group): Cast find_kept_object to
10359         Sized_relobj.
10360         (Sized_relobj::include_linkonce_section): Likewise.
10361         (Sized_relobj::do_layout): Use separate arrays for output section
10362         and output offset.
10363         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10364         output_sections.
10365         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10366         output_sections and section_offsets.
10367         (Sized_relobj::write_local_symbols): Likewise.
10368         (map_to_kept_section): Compute output address directly.
10369         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10370         output_sections and section_offsets.
10371         (Sized_relobj::write_sections): Likewise.
10372         (Sized_relobj::relocate_sections): Likewise.
10373         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10374         * output.h (class Output_reloc): Update declarations.  Change
10375         u2_.relobj to Sized_relobj*.
10376         (class Output_data_reloc): Change add functions to use
10377         Sized_relobj*.
10378         * output.cc (Output_reloc::Output_reloc): Change relobj to
10379         Sized_relobj*.
10380         (Output_reloc::local_section_offset): Change return type to
10381         Elf_Addr.  Use get_output_section_offset.
10382         (Output_reloc::get_address): Likewise.
10383         (Output_section::is_input_address_mapped): Don't call
10384         is_section_specially_mapped.
10385         (Output_section::output_offset): Likewise.
10386         (Output_section::output_address): Likewise.
10387         (Output_section::starting_output_address): Likewise.
10388         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10389         parameter to Sized_relobj*.
10390         (Copy_relocs::need_copy_reloc): Likewise.
10391         (Copy_relocs::save): Likewise.
10392         * copy-relocs.h (class Copy_relocs): Update declarations.
10393         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10394         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10395         * target-reloc.h (relocate_for_relocatable): Change
10396         offset_in_output_section type to Elf_Addr.  Change code that uses
10397         it as well.
10398         * layout.cc (Layout::layout): Always set *off.
10399         * mapfile.cc (Mapfile::print_input_section): Use
10400         output_section_offset.
10401         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10402         Sized_relobj*.
10403         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10404         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10405         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10406
10407 2008-07-03  Ian Lance Taylor  <iant@google.com>
10408
10409         * layout.cc (Layout::include_section): Do not discard unrecognized
10410         SHT_STRTAB sections.
10411
10412 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10413
10414         * script.cc (Lex::can_continue_name): Make '?' allowable in
10415         version-script names.
10416         * testsuite/version_script.map: Change glob pattern to use '?'
10417
10418 2008-06-30  Manish Singh  <yosh@gimp.org>
10419
10420         PR 6585
10421         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10422         Correct typo.
10423
10424 2008-06-30  Ian Lance Taylor  <iant@google.com>
10425
10426         PR 6660
10427         PR 6682
10428         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10429         versions]: Don't try to read the value in the contents, since we
10430         don't use it.  Use the template endianness when writing.
10431
10432 2008-06-25  Cary Coutant  <ccoutant@google.com>
10433
10434         * fileread.cc (File_read::make_view): Assert on zero-length view.
10435         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10436         symbol table when there are no symbols to read.
10437
10438 2008-06-23  Craig Silverstein  <csilvers@google.com>
10439
10440         * version.cc (version_string): Bump to 1.7
10441
10442 2008-06-18  Craig Silverstein  <csilvers@google.com>
10443
10444         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10445         constant 0xFFFF to type Valtype.
10446         (Powerpc_relocate_functions::rel16_ha): Likewise.
10447
10448 2008-06-17  Ian Lance Taylor  <iant@google.com>
10449
10450         * output.h (Output_section::Input_section): Initialize p2align_ to
10451         zero for Output_section_data constructors.
10452         (Output_section::Input_section::addralign): If not an input
10453         section, return the alignment of the Output_section_data.
10454         * testsuite/copy_test.cc: New file.
10455         * testsuite/copy_test_1.cc: New file.
10456         * testsuite/copy_test_2.cc: New file.
10457         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10458         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10459         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10460         (copy_test_1_pic.o, copy_test_1.so): New targets.
10461         (copy_test_2_pic.o, copy_test_2.so): New targets.
10462         * testsuite/Makefile.in: Rebuild.
10463
10464         * script-sections.cc (Script_sections::place_orphan): Initialize
10465         local variable exact.
10466
10467 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10468
10469         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10470
10471 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10472             David S. Miller  <davem@davemloft.net>
10473
10474         * powerpc.cc: New file.
10475         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10476         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10477         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10478         * Makefile.in: Rebuild.
10479
10480 2008-06-09  Ian Lance Taylor  <iant@google.com>
10481
10482         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10483         <exception>.
10484         (throwing, orig_terminate): New static variables.
10485         (terminate_handler): New static function.
10486         (t2): Set terminate handler.
10487
10488 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10489
10490         PR 6584
10491         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10492         alignment.
10493
10494 2008-05-30  Cary Coutant  <ccoutant@google.com>
10495
10496         * archive.cc (Archive::include_all_members) Correct to step
10497         over symbol table and extended name table in thin archives.
10498
10499 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10500
10501         PR 6407
10502         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10503         calculation.
10504
10505 2008-05-28  Caleb Howe  <cshowe@google.com>
10506
10507         * reduced_debug_output.cc: New file.
10508         * reduced_debug_output.h: New file.
10509         * options.h (class General_options): Add --strip-debug-non-line.
10510         * options.cc (General_options::finalize): Add strip_debug_non_line
10511         to the strip heirarchy.
10512         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10513         fields.
10514         * layout.cc: Include "reduced_debug_output.h".
10515         (Layout::Layout): Initialize new fields.
10516         (line_only_debug_sections): New static array.
10517         (is_lines_only_debug_sections): New static inline function.
10518         (Layout::include_section): Handle --strip-debug-non-line.
10519         (Layout::make_output_section): If --strip-debug-non-line, build
10520         new output sections for .debug_abbrev and .debug_info.
10521         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10522         gold.  Warn about possible overflow.
10523         (read_signed_LEB_128): Likewise.
10524         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10525         (read_signed_LEB_128): Declare.
10526         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10527         (HFILES): Add reduced_debug_output.h.
10528         * Makefile.in: Rebuild.
10529
10530 2008-05-21  Ian Lance Taylor  <iant@google.com>
10531
10532         * mapfile.cc: New file.
10533         * mapfile.h: New file.
10534         * options.h (class General_options): Add -M/--print-map and -Map.
10535         * options.cc (General_options::finalize): Make -M equivalent to
10536         -Map -.
10537         * main.cc: Include <cstdio> and "mapfile.h".
10538         (main): Open mapfile if requested.
10539         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10540         constructor.  Change caller.
10541         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10542         (queue_middle_tasks): Likewise.
10543         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10544         declarations.
10545         * archive.cc: Include "mapfile.h".
10546         (Archive::add_symbols): Add mapfile parameter.  Change all
10547         callers.  Pass mapfile, symbol, and reason to include_member.
10548         (Archive::include_all_members): Add mapfile parameter.  Change all
10549         callers.
10550         (Archive::include_member): Add mapfile, sym, and why parameters.
10551         Change all callers.  Report inclusion to map file.
10552         * archive.h: Include "fileread.h".
10553         (class Archive): Update declarations.
10554         (Archive::file): New const method.
10555         (class Add_archive_symbols): Add mapfile_ field.  Update
10556         constructor.  Change all callers.
10557         * readsyms.h (class Read_symbols): Likewise.
10558         (class Finish_group): Likewise.
10559         (class Read_script): Likewise.
10560         * common.cc: Include "mapfile.h".
10561         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10562         all callers.
10563         (Symbol_table::do_allocate_commons): Likewise.
10564         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10565         symbol allocation to mapfile.
10566         * common.h (class Allocate_commons_task): Add mapfile_ field.
10567         Update constructor.  Change all callers.
10568         * symtab.h (class Symbol_table): Update declarations.
10569         * layout.cc: Include "mapfile.h".
10570         (Layout_task_runner::run): Print information to mapfile.
10571         (Layout::create_gold_note): Change Output_data_fixed_space to
10572         Output_data_zero_fill.
10573         (Layout::create_build_id): Likewise.
10574         (Layout::print_to_mapfile): New function.
10575         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10576         constructor.  Change caller.
10577         (class Layout): Declare print_to_mapfile.
10578         * output.cc (Output_section::Input_section::print_to_mapfile): New
10579         function.
10580         (Output_section::add_input_section): If producing a map, always
10581         add to input_sections_ list.
10582         (Output_section::do_print_to_mapfile): New function.
10583         (Output_segment::print_sections_to_mapfile): New function.
10584         (Output_segment::print_section_list_to_mapfile): New function.
10585         * output.h: Include "mapfile.h".
10586         (Output_data::print_to_mapfile): New function.
10587         (Output_data::do_print_to_mapfile): New virtual function.
10588         (Output_segment_headers::do_print_to_mapfile): New function.
10589         (Output_file_header::do_print_to_mapfile): New function.
10590         (Output_data_const::do_print_to_mapfile): New function.
10591         (class Output_data_const_buffer): Add map_name_ field.  Update
10592         constructor.  Change all callers.  Add do_print_to_mapfile
10593         function.
10594         (class Output_data_fixed_space): Likewise.
10595         (class Output_data_space): Likewise.
10596         (class Output_data_zero_fill): New class.
10597         (Output_data_strtab::do_print_to_mapfile): New function.
10598         (Output_data_reloc_base::do_print_to_mapfile): New function.
10599         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10600         (Output_data_group::do_print_to_mapfile): New function.
10601         (Output_data_got::do_print_to_mapfile): New function.
10602         (Output_data_dynamic::do_print_to_mapfile): New function.
10603         (Output_symtab_xindex::do_print_to_mapfile): New function.
10604         (class Output_section): Declare do_print_to_mapflie.  Declare
10605         print_to_mapfile in Input_section.
10606         (class Output_segment): Declare new functions.
10607         * object.h (Sized_relobj::symbol_count): New function.
10608         * script-sections.cc
10609         (Output_section_element_dot_assignment::set_section_addresses):
10610         Change Output_data_fixed_space to Output_data_zero_fill.
10611         (Output_data_expression::do_print_to_mapfile): New function.
10612         * script.cc (read_input_script): Add mapfile parameter.  Change
10613         all callers.
10614         * script.h (read_input_script): Update declaration.
10615         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10616         (Eh_frame::do_print_to_mapfile): New function.
10617         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10618         (Output_merge_string::do_print_to_mapfile): New function.
10619         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10620         function.
10621         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10622         function.
10623         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10624         function.
10625         * Makefile.am (CCFILES): Add mapfile.cc.
10626         (HFILES): Add mapfile.h.
10627         * Makefile.in: Rebuild.
10628
10629 2008-05-19  Ian Lance Taylor  <iant@google.com>
10630
10631         * options.h (class General_options): Add -z relro.
10632         * layout.cc (Layout::Layout): Initialize relro_segment_.
10633         (Layout::add_output_section_data): Return the output section.
10634         (Layout::make_output_section): Rcognize relro sections and mark
10635         them appropriately.
10636         (Layout::attach_allocated_section_to_segment): Put relro sections
10637         in a PT_GNU_RELRO segment.
10638         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10639         section as relro.
10640         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10641         PT_TLS segments.
10642         (Layout::linkonce_mapping): Map d.rel.ro.local to
10643         .data.rel.ro.local.
10644         (Layout::output_section_name): Us .data.rel.ro.local for any
10645         section which begins with that.
10646         * layout.h (class Layout): Update add_output_section_data
10647         declaration.  Add relro_segment_ field.
10648         * output.cc (Output_section::Output_section): Initialize is_relro_
10649         and is_relro_local_ fields.
10650         (Output_segment::add_output_section): Group relro sections.
10651         (Output_segment::is_first_section_relro): New function.
10652         (Output_segment::maximum_alignment): If there is a relro section,
10653         align the segment to the common page size.
10654         (Output_segment::set_section_addresses): Track whether we are
10655         looking at relro sections.  If the last section is a relro
10656         section, align to the common page size.
10657         (Output_segment::set_section_list_addresses): Add in_relro
10658         parameter.  Change all callers.  Align to the page size when
10659         moving from relro to non-relro section.
10660         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10661         segment.
10662         * output.h (class Output_section): Add is_relro_ and
10663         is_relro_local_ fields.
10664         (Output_section::is_relro): New function.
10665         (Output_section::set_is_relro): New function.
10666         (Output_section::is_relro_local): New function.
10667         (Output_section::set_is_relro_local): New function.
10668         (class Output_segment): Update declarations.
10669         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10670         * sparc.cc (Target_sparc::got_section): Likewise.
10671         * x86_64.cc (Target_x86_64::got_section): Likewise.
10672         * testsuite/relro_test_main.cc: New file.
10673         * testsuite/relro_test.cc: New file.
10674         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10675         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10676         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10677         (relro_test.so, relro_test_pic.o): New targets.
10678         * testsuite/Makefile.in: Rebuild.
10679
10680 2008-05-16  Ian Lance Taylor  <iant@google.com>
10681
10682         * output.cc (Output_segment::add_output_section): Remove front
10683         parameter.
10684         * output.h (class Output_segment): Remove
10685         add_initial_output_section and overloaded add_output_section.
10686         Update declaration of remaining add_output_section.
10687         * layout.cc (Layout::create_interp): Call add_output_section
10688         rather than add_initial_output_section.
10689         (Layout::finish_dynamic_section): Likewise.
10690
10691         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10692         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10693         know the dynamic type.
10694         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10695         field.  Initialize it in constructor.
10696         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10697         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10698         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10699         reloc.
10700
10701         * output.cc (Output_reloc::get_address): Change return type to
10702         Elf_Addr.
10703         * output.h (class Output_reloc): Update get_address declaration.
10704         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10705         for section addresses.
10706
10707 2008-05-09  Ian Lance Taylor  <iant@google.com>
10708
10709         PR 6493
10710         * gold.cc (gold_nomem): Use return value of write.
10711
10712 2008-05-08  Ian Lance Taylor  <iant@google.com>
10713
10714         * symtab.c (Symbol::init_base_output_data): Add version
10715         parameter.  Change all callers.
10716         (Symbol::init_base_output_segment): Likewise.
10717         (Symbol::init_base_constant): Likewise.
10718         (Symbol::init_base_undefined): Likewise.
10719         (Sized_symbol::init_output_data): Likewise.
10720         (Sized_symbol::init_output_segment): Likewise.
10721         (Sized_symbol::init_constant): Likewise.
10722         (Sized_symbol::init_undefined): Likewise.
10723         (Symbol_table::do_define_in_output_data): If the new symbol has a
10724         version, mark it as the default.
10725         (Symbol_table::do_define_in_output_segment): Likewise.
10726         (Symbol_table::do_define_as_constant): Likewise.
10727         * symtab.h (class Symbol): Update declarations.
10728         (class Sized_symbol): Likewise.
10729         * resolve.cc (Symbol::override_version): New function.
10730         (Symbol::override_base): Call override_version.
10731         (Symbol::override_base_with_special): Likewise.
10732         * testsuite/ver_script_8.script: New file.
10733         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10734         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10735         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10736         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10737
10738 2008-05-06  Ian Lance Taylor  <iant@google.com>
10739
10740         PR 6049
10741         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10742         functions.
10743         (class General_options): Remove existing --undefined, and add
10744         --no-undefined instead.  Add new --undefined as synonym for -u.
10745         * archive.cc (Archive::add_symbols): Check whether symbol was
10746         named with -u.
10747         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10748         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10749         all uses.  Add IS_UNDEFINED.  Update declarations to split
10750         different versions of init_base.  Declare init_base_undefined.
10751         (Symbol::is_defined): Handle IS_UNDEFINED.
10752         (Symbol::is_undefined): Likewise.
10753         (Symbol::is_weak_undefined): Call is_undefined.
10754         (Symbol::is_absolute): Handle IS_CONSTANT.
10755         (class Sized_symbol): Update declarations to split different
10756         versions of init.  Declare init_undefined.
10757         (class Symbol_table): Declare new functions.
10758         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10759         Change all callers.
10760         (Symbol::init_base_output_data): Likewise.
10761         (Symbol::init_base_output_segment): Likewise.
10762         (Symbol::init_base_constant): Likewise.
10763         (Symbol::init_base_undefined): New function.
10764         (Sized_symbol::init_object): Rename from init.  Change all
10765         callers.
10766         (Sized_symbol::init_output_data): Likewise.
10767         (Sized_symbol::init_output_segment): Likewise.
10768         (Sized_symbol::init_constant): Likewise.
10769         (Sized_symbol::init_undefined): New function.
10770         (Symbol_table::add_undefined_symbols_from_command_line): New
10771         function.
10772         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10773         function.
10774         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10775         (Symbol::output_section): Likewise.
10776         (Symbol::set_output_section): Likewise.
10777         (Symbol_table::sized_finalize_symbol): Likewise.
10778         (Symbol_table::sized_write_globals): Likewise.
10779         * resolve.cc (Symbol_table::should_override): Likewise.
10780         (Symbol::override_base_with_special): Likewise.
10781
10782         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10783         symbol, change it to have default visibility.
10784         * testsuite/protected_1.cc: New file.
10785         * testsuite/protected_2.cc: New file.
10786         * testsuite/protected_3.cc: New file.
10787         * testsuite/protected_main_1.cc: New file.
10788         * testsuite/protected_main_2.cc: New file.
10789         * testsuite/protected_main_3.cc: New file.
10790         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10791         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10792         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10793         (protected_1.so): New target.
10794         (protected_1_pic.o, protected_2_pic.o): New targets.
10795         (protected_3_pic.o): New target.
10796         (check_PROGRAMS): Add protected_2.
10797         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10798         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10799         * testsuite/Makefile.in: Rebuild.
10800
10801         * options.h (DEFINE_var): Add set_user_set_##varname__.
10802         (DEFINE_bool_alias): New macro.
10803         (class General_options): Define -Bstatic using DEFINE_bool_alias
10804         rather than DEFINE_special.  Add --undefined as an alias for -z
10805         defs.
10806         * options.cc (General_options::parse_Bstatic): Remove.
10807
10808         * options.h (class General_options): Add --fatal-warnings.
10809         * main.cc (main): Implement --fatal-warnings.
10810         * errors.h (Errors::warning_count): New function.
10811
10812         * options.h (class General_options): Add -Bsymbolic-functions.
10813         * symtab.h (Symbol::is_preemptible): Check for
10814         -Bsymbolic-functions.
10815
10816 2008-05-05  Ian Lance Taylor  <iant@google.com>
10817
10818         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10819         as noVARNAME rather than no-VARNAME.
10820         (class General_options): Add option -z combreloc.
10821         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10822         get_address.
10823         (Output_reloc::sort_before) [SHT_REL]: New function.
10824         (Output_reloc::sort_before) [SHT_RELA]: New function.
10825         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10826         Sort_relocs_comparison.
10827         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10828         parameter.  Change all callers.
10829         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10830         sort_relocs parameter.  Change all callers.
10831         * output.cc (Output_reloc::get_address): New function, broken out
10832         of write_rel.
10833         (Output_reloc::write_rel): Call it.
10834         (Output_reloc::compare): New function.
10835         (Output_data_reloc_base::do_write): Optionally sort relocs.
10836
10837         * configure.ac: If targ_extra_obj is set, link it in.
10838         * configure.tgt: Initialize all variables.
10839         (x86_64*): Set targ_extra_obj and targ_extra_size.
10840         * configure: Rebuild.
10841
10842         * object.cc (Sized_relobj::include_section_group): Adjust section
10843         indexes read from group data.  Build vector to pass to
10844         layout_group.
10845         * layout.cc (Layout::layout_group): Add flags and shndxes
10846         parameters.  Remove contents parameter.  Change caller.  Update
10847         explicit instantiations.
10848         * layout.h (class Layout): Update layout_group declaration.
10849         * output.cc (Output_data_group::Output_data_group): Add flags and
10850         input_shndxes parameters.  Remove contents parameter.  Change
10851         caller.
10852         (Output_data_group::do_write): Change input_sections_ to
10853         input_shndxes_.
10854         * output.h (class Output_data_group): Update constructor
10855         declaration.  Rename input_sections_ to input_shndxes_.
10856         * testsuite/many_sections_test.cc: Add template.
10857
10858 2008-04-30  Cary Coutant  <ccoutant@google.com>
10859
10860         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10861
10862         * layout.cc (Layout::include_section): Refactored check for debug
10863         info section.
10864         (Layout::add_comdat): Add new parameters.  Change type
10865         of signature parameter.  Add object and shndx to signatures table.
10866         (Layout::find_kept_object): New function.
10867         * layout.h: Include <cstring>.
10868         (Layout::is_debug_info_section): New function.
10869         (Layout::add_comdat): Add new parameters.
10870         (Layout::find_kept_object): New function.
10871         (Layout::Kept_section): New struct.
10872         (Layout::Signatures): Change type of map range.
10873         * object.cc (Relobj::output_section_address): New function.
10874         (Sized_relobj::include_section_group): Add new parameters.  Change
10875         calls to Layout::add_comdat.  Change to build table of kept comdat
10876         groups and table mapping discarded sections to kept sections.
10877         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10878         (Sized_relobj::do_layout): Change calls to include_section_group and
10879         include_linkonce_section.
10880         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10881         value to zero when section is discarded.
10882         (Sized_relobj::map_to_kept_section): New function.
10883         * object.h (Relobj::output_section_address): New function.
10884         (Relobj::Comdat_group): New type.
10885         (Relobj::find_comdat_group): New function.
10886         (Relobj::Comdat_group_table): New type.
10887         (Relobj::Kept_comdat_section): New type.
10888         (Relobj::Kept_comdat_section_table): New type.
10889         (Relobj::add_comdat_group): New function.
10890         (Relobj::set_kept_comdat_section): New function.
10891         (Relobj::get_kept_comdat_section): New function.
10892         (Relobj::comdat_groups_): New field.
10893         (Relobj::kept_comdat_sections_): New field.
10894         (Symbol_value::input_value): Update comment.
10895         (Sized_relobj::map_to_kept_section) New function.
10896         (Sized_relobj::include_linkonce_section): Add new parameter.
10897         * target-reloc.h (Comdat_behavior): New type.
10898         (get_comdat_behavior): New function.
10899         (relocate_section): Add code to map a discarded section to the
10900         corresponding kept section when applying a relocation.
10901
10902 2008-04-30  Craig Silverstein  <csilvers@google.com>
10903
10904         * dwarf_reader.cc (next_generation_count): New static var.
10905         (Addr2line_cache_entry): New struct.
10906         (addr2line_cache): New static var.
10907         (Dwarf_line_info::one_addr2line): Added caching.
10908         (Dwarf_line_info::clear_addr2line_cache): New function.
10909         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10910         cache-size parameter.
10911         (Dwarf_line_info::one_addr2line_cache): New function.
10912         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10913         new cache-size argument to one_addr2line(), and clear cache.
10914
10915 2008-04-28  Cary Coutant  <ccoutant@google.com>
10916
10917         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10918         R_386_PC8 relocations.
10919
10920 2008-04-23  Ian Lance Taylor  <iant@google.com>
10921
10922         * object.cc (Sized_relobj::include_section_group): Check for
10923         invalid section group.
10924
10925         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10926         header size.
10927
10928         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10929         than read for file header.
10930         * archive.cc (Archive::include_member): Likewise.
10931
10932 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10933
10934         * aclocal.m4: Regenerate.
10935         * configure: Regenerate.
10936
10937 2008-04-19  Ian Lance Taylor  <iant@google.com>
10938
10939         * version.cc (version_string): Bump to 1.6.
10940
10941         * testsuite/Makefile.am (many_sections_r_test): New target.
10942         (many_sections_r_test_SOURCES): Remove.
10943         (many_sections_r_test_DEPENDENCIES): Remove.
10944         (many_sections_r_test_LDFLAGS): Remove.
10945         (many_sections_r_test_LDADD): Remove.
10946
10947         * object.cc (Sized_relobj::do_add_symbols): Always pass
10948         local_symbol_count_ to add_from_relobj.
10949
10950         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10951         every thousand variables.
10952         * testsuite/Makefile.in: Rebuild.
10953
10954         * object.cc (Xindex::initialize_symtab_xindex): New function.
10955         (Xindex::read_symtab_xindex): New function.
10956         (Xindex::sym_xindex_to_shndx): New function.
10957         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10958         available.
10959         (Sized_relobj::do_initialize_xindex): New function.
10960         (Sized_relobj::do_read_symbols): Adjust section links.
10961         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10962         parameter.  Change all callers.
10963         (Sized_relobj::include_section_group): Adjust section links and
10964         symbol section indexes.
10965         (Sized_relobj::do_layout): Adjust section links.
10966         (Sized_relobj::do_count_local_symbols): Adjust section links and
10967         symbol section indexes.
10968         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10969         ordinary and special symbols.
10970         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10971         dynsym_xindex parameters.  Change all callers.  Adjust section
10972         links.  Use SHN_XINDEX when needed.
10973         (Sized_relobj::get_symbol_location_info): Adjust section links.
10974         Don't get fooled by special symbols.
10975         * object.h (class Xindex): Define.
10976         (class Object): Add xindex_ parameter.  Declare virtual functoin
10977         do_initialize_xindex.
10978         (Object::adjust_sym_shndx): New function.
10979         (Object::set_xindex): New protected function.
10980         (class Symbol_value): Add is_ordinary_shndx_ field.
10981         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10982         (Symbol_value::value): Assert ordinary section.
10983         (Symbol_value::initialize_input_to_output_map): Likewise.
10984         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10985         Change all callers.
10986         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10987         all callers.
10988         (class Sized_relobj): Update declarations.
10989         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10990         parameter.  Change all callers.
10991         (Sized_relobj::adjust_shndx): New function.
10992         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10993         field.
10994         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10995         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10996         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10997         (Sized_dynobj::read_dynsym_section): Adjust section links.
10998         (Sized_dynobj::read_dynamic): Likewise.
10999         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11000         section links.
11001         (Sized_dynobj::do_initialize_xindex): New function.
11002         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11003         do_initialize_xindex.
11004         (Sized_dynobj::adjust_shndx): New function.
11005         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11006         dynsym_xindex_ fields.
11007         (Layout::finalize): Add a call to set_section_indexes before
11008         creating the symtab sections.
11009         (Layout::set_section_indexes): Don't do anything if the section
11010         already has a section index.
11011         (Layout::create_symtab_sections): Add shnum parameter.  Change
11012         caller.  Create .symtab_shndx section if needed.
11013         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11014         caller.
11015         (Layout::allocated_output_section_count): New function.
11016         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11017         needed.
11018         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11019         fields.  Update declarations.
11020         (Layout::symtab_xindex): New function.
11021         (Layout::dynsym_xindex): New function.
11022         (class Write_symbols_task): Add layout_ field.
11023         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11024         Change caller.
11025         * output.cc (Output_section_headers::Output_section_headers): Add
11026         shstrtab_section parameter.  Change all callers.
11027         (Output_section_headers::do_sized_write): Store overflow values
11028         for section count and section string table section index in
11029         section header zero.
11030         (Output_file_header::do_sized_write): Check for overflow of
11031         section count and section string table section index.
11032         (Output_symtab_xindex::do_write): New function.
11033         (Output_symtab_xindex::endian_do_write): New function.
11034         * output.h (class Output_section_headers): Add shstrtab_section_.
11035         Update declarations.
11036         (class Output_symtab_xindex): Define.
11037         (Output_section::has_out_shndx): New function.
11038         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11039         field.
11040         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11041         Change all callers.
11042         (Sized_symbol::init): Likewise.
11043         (Symbol::output_section): Check for ordinary symbol.
11044         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11045         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11046         callers.
11047         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11048         Change all callers.  Simplify handling of symbols from sections
11049         not included in the link.
11050         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11051         distinction.
11052         (Weak_alias_sorter::operator()): Assert that symbols are
11053         ordinary.
11054         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11055         distinction.
11056         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11057         parameters.  Change all callers.
11058         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11059         symbol distinction.  Use SHN_XINDEX when needed.
11060         (Symbol_table::write_section_symbol): Add symtab_xindex
11061         parameter.  Change all callers.
11062         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11063         SHN_XINDEX when needed.
11064         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11065         declarations.
11066         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11067         (Symbol::is_defined): Check is_ordinary.
11068         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11069         (Symbol::is_absolute, Symbol::is_common): Likewise.
11070         (class Sized_symbol): Update declarations.
11071         (class Symbol_table): Update declarations.
11072         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11073         parameters.  Change all callers.
11074         (Sized_symbol::override): Likewise.
11075         (Symbol_table::override): Likewise.
11076         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11077         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11078         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11079         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11080         to be in an ordinary section.
11081         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11082         object and is_ordinary parameters.  Change all callers.
11083         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11084         Change all callers.  Don't add undefined or non-ordinary symbols
11085         to reloc_map_.
11086         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11087         Change all callers.
11088         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11089         declarations.
11090         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11091         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11092         (Sized_relobj::relocate_sections): Likewise.
11093         * target-reloc.h (scan_relocs): Adjust section symbol index.
11094         (scan_relocatable_relocs): Likewise.
11095         * i386.cc (Scan::local): Check for ordinary symbols.
11096         * sparc.cc (Scan::local): Likewise.
11097         * x86_64.cc (Scan::local): Likewise.
11098         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11099         to symbol_section_and_value.
11100         * testsuite/many_sections_test.cc: New file.
11101         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11102         (check_PROGRAMS): Add many_sections_test.
11103         (many_sections_test_SOURCES): Define.
11104         (many_sections_test_DEPENDENCIES): Define.
11105         (many_sections_test_LDFLAGS): Define.
11106         (BUILT_SOURCES): Add many_sections_define.h.
11107         (many_sections_define.h): New target.
11108         (BUILT_SOURCES): Add many_sections_check.h.
11109         (many_sections_check.h): New target.
11110         (check_PROGRAMS): Add many_sections_r_test.
11111         (many_sections_r_test_SOURCES): Define.
11112         (many_sections_r_test_DEPENDENCIES): Define.
11113         (many_sections_r_test_LDFLAGS): Define.
11114         (many_sections_r_test_LDADD): Define.
11115         (many_sections_r_test.o): New target.
11116         * testsuite/Makefile.in: Rebuild.
11117
11118 2008-04-17  Cary Coutant  <ccoutant@google.com>
11119
11120         * errors.cc (Errors::info): New function.
11121         (gold_info): New function.
11122         * errors.h (Errors::info): New function.
11123         * gold.h (gold_info): New function.
11124         * object.cc (Input_objects::add_object): Print trace output.
11125         * options.cc (options::parse_set): New function.
11126         (General_options::parse_wrap): Deleted.
11127         (General_options::General_options): Deleted initializer.
11128         * options.h (options::String_set): New typedef.
11129         (options::parse_set): New function.
11130         (DEFINE_set): New macro.
11131         (General_options::wrap): Changed to use DEFINE_set. Changed
11132         callers of any_wrap_symbols and is_wrap_symbol.
11133         (General_options::trace, General_options::trace_symbol):
11134         New options.
11135         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11136         (General_options::wrap_symbols_): Deleted.
11137         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11138
11139 2008-04-17  David S. Miller  <davem@davemloft.net>
11140
11141         * options.cc (General_options::parse_V): New function.
11142         * options.h: Add entries for -V and -Qy.
11143
11144 2008-04-17  Ian Lance Taylor  <iant@google.com>
11145
11146         * common.cc (Symbol_table::allocate_commons): Remove options
11147         parameter.  Change caller.
11148         (Symbol_table::do_allocate_commons): Remove options parameter.
11149         Change caller.  Just call do_allocate_commons_list twice.
11150         (Symbol_table::do_allocate_commons_list): New function, broken out
11151         of do_allocate_commons.
11152         * common.h (class Allocate_commons_task): Remove options_ field.
11153         Update constructor.
11154         * symtab.cc (Symbol_table::Symbol_table): Initialize
11155         tls_commons_.
11156         (Symbol_table::add_from_object): Put TLS common symbols on
11157         tls_commons_ list.
11158         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11159         which are IN_OUTPUT_DATA.
11160         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11161         allocate_commons and do_allocate_commons declarations.  Declare
11162         do_allocate_commons_list.
11163         * gold.cc (queue_middle_tasks): Update creation of
11164         Allocate_commons_task to not pass options.
11165         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11166         (TLS_TEST_C_FLAGS): New variable.
11167         (tls_test_c_pic.o): New target.
11168         (tls_test_shared.so): Link in tls_test_c_pic.o.
11169         (tls_test_c_pic_ie.o): New target.
11170         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11171         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11172         (tls_test_c.o): New target.
11173         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11174         (tls_pic_test_LDADD): Likewise.
11175         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11176         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11177         (tls_test_c_gnu2.o): New target.
11178         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11179         tls_test_c_gnu2.o.
11180         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11181         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11182         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11183         * testsuite/tls_test.cc: Include "config.h".
11184         (t_last): Call t11_last.
11185         * testsuite/tls_test.h (t11, t11_last): Declare.
11186         * testsuite/tls_test_c.c: New file.
11187         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11188         * configure.ac: Check for OpenMP support.
11189         * configure, config.in, Makefile.in: Rebuild.
11190         * testsuite/Makefile.in: Rebuild.
11191
11192 2008-04-16  Cary Coutant  <ccoutant@google.com>
11193
11194         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11195         (Target_i386::tls_base_symbol_defined_): New field.
11196         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11197         (Target_i386::Scan::global): Likewise.
11198         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11199         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11200         (Target_x86_64::tls_base_symbol_defined_): New field.
11201         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11202         (Target_x86_64::Scan::global): Likewise.
11203
11204 2008-04-16  Cary Coutant  <ccoutant@google.com>
11205
11206         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11207         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11208         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11209         building shared libraries.
11210         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11211         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11212         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11213         * testsuite/Makefile.in: Rebuild.
11214         * testsuite/weak_undef.h: New file.
11215         * testsuite/weak_undef_file1.cc: Add extra test cases.
11216         * testsuite/weak_undef_file2.cc: Likewise.
11217         * testsuite/weak_undef_test.cc: Likewise.
11218
11219 2008-04-16  David S. Miller  <davem@davemloft.net>
11220
11221         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11222         Add issued_non_pic_error_ field.  Declare check_non_pic.
11223         (Target_sparc::Scan::check_non_pic): New function.
11224         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11225         (Target_sparc::Scan::global): Likewise.
11226
11227         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11228         * configure: Rebuild.
11229
11230         * options.h (DEFINE_enable): New macro.
11231         (new_dtags): New enable option.
11232         (initfirst, interpose, loadfltr, nodefaultlib,
11233         nodelete, nodlopen, nodump): New -z options.
11234         * layout.cc (Layout:finish_dynamic_section): If new
11235         dtags enabled, emit DT_RUNPATH.  Also, emit a
11236         DT_FLAGS_1 containing any specified -z flags.
11237
11238 2008-04-16  Ian Lance Taylor  <iant@google.com>
11239
11240         * copy-relocs.cc: New file.
11241         * copy-relocs.h: New file.
11242         * reloc.cc: Remove Copy_relocs code.
11243         * reloc.h: Likewise.
11244         * reloc-types.h (struct Reloc_types) [both versions]: Add
11245         get_reloc_addend_noerror.
11246         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11247         variants of add_global which take an addend which must be zero.
11248         * i386.cc: Include "copy-relocs.h".
11249         (class Target_i386): Change type of copy_relocs_ to variable,
11250         update initializer.
11251         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11252         Change all callers.
11253         (Target_i386::do_finalize_sections): Change handling of
11254         copy_relocs_.
11255         * sparc.cc: Include "copy-relocs.h".
11256         (class Target_sparc): Change type of copy_relocs_ to variable,
11257         update initializer.
11258         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11259         Change all callers.
11260         (Target_sparc::do_finalize_sections): Change handling of
11261         copy_relocs_.
11262         * x86_64.cc: Include "copy-relocs.h".
11263         (class Target_x86_64): Change type of copy_relocs_ to variable,
11264         update initializer.
11265         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11266         class.  Change all callers.
11267         (Target_x86_64::do_finalize_sections): Change handling of
11268         copy_relocs_.
11269         * Makefile.am (CCFILES): Add copy-relocs.cc.
11270         (HFILES): Add copy-relocs.h.
11271
11272         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11273
11274         * testsuite/script_test_4.sh: Permit leading zeroes.
11275
11276 2008-04-15  Ian Lance Taylor  <iant@google.com>
11277
11278         * script-sections.cc (Script_sections::create_segments): Use
11279         header_size_adjustment even when there is enough room for the
11280         headers.
11281         * testsuite/script_test_4.sh: New file.
11282         * testsuite/script_test_4.t: New file.
11283         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11284         (check_DATA): Add script_test_4.stdout.
11285         (MOSTLYCLEANFILES): Likewise.
11286         (script_test_4): New target.
11287         (script_test_4.stdout): New target.
11288         * testsuite/Makefile.in: Rebuild.
11289
11290         * sparc.cc: Add definitions for Output_data_plt_sparc class
11291         constants.
11292
11293 2008-04-14  David S. Miller  <davem@davemloft.net>
11294
11295         * sparc.cc: New file.
11296         * Makefile.am (TARGETSOURCES): Add sparc.cc
11297         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11298         * configure.tgt: Document targ_extra_size and
11299         targ_extra_big_endian.  Add entries for sparc-* and
11300         sparc64-*.
11301         * configure.ac: Handle targ_extra_size and
11302         targ_extra_big_endian.
11303         * Makefile.in: Rebuild.
11304         * configure: Likewise.
11305         * po/POTFILES.in: Likewise.
11306         * po/gold.pot: Likewise.
11307
11308 2008-04-14  Ian Lance Taylor  <iant@google.com>
11309
11310         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11311         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11312         in the name/type/flags to section mapping.  Don't call
11313         allocate_output_section.
11314         (Layout::choose_output_section): Change parameter from adjust_name
11315         to is_input_section.  Don't permit input sections after sections
11316         are attached to segments.  Don't call allocate_output_section.
11317         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11318         not write_enable_output_section.
11319         (Layout::make_output_section): Don't push to
11320         unattached_section_list_ nor call attach_to_segment.  Call
11321         attach_section_to_segment if sections are attached.
11322         (Layout::attach_sections_to_segments): New function.
11323         (Layout::attach_section_to_segment): New function.
11324         (Layout::attach_allocated_section_to_segment): Rename from
11325         attach_to_segment.  Remove flags parameter.
11326         (Layout::allocate_output_section): Remove function.
11327         (Layout::write_enable_output_section): Remove function.
11328         * layout.h (class Layout): Update for above changes.  Add new
11329         field sections_are_attached_.
11330         * output.h (Output_section::update_flags_for_input_section): New
11331         function.
11332         * output.cc (Output_section::add_input_section): Call
11333         update_flags_for_input_section.
11334         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11335
11336 2008-04-11  Cary Coutant  <ccoutant@google.com>
11337
11338         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11339         thought unnecessary.
11340         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11341
11342 2008-04-11  Ian Lance Taylor  <iant@google.com>
11343
11344         * output.h (class Output_section_data): Remove inline definition
11345         of set_addralign.
11346         * output.cc (Output_section_data::set_addralign): New function.
11347
11348 2008-04-11  Cary Coutant  <ccoutant@google.com>
11349
11350         Add support for TLS descriptors for i386 and x86_64.
11351         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11352         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11353         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11354         GOT_TYPE_TLS_DESC.
11355         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11356         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11357         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11358         relocations.
11359         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11360         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11361         Fix problem with initial-exec relocations.
11362         (Target_i386::Relocate::relocate_tls): Likewise.
11363         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11364         relaxation.
11365         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11366         support for section-plus-offset dynamic table entries.
11367         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11368         (Output_data_dynamic::Dynamic_entry): Add support for
11369         section-plus-offset dynamic table entries.
11370         (Output_data_dynamic::Classification): Likewise.
11371         (Output_data_dynamic::classification_): Renamed offset_.
11372         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11373         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11374         (Target_x86_64::make_plt_section): New function.
11375         (Target_x86_64::reserve_tlsdesc_entries): New function.
11376         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11377         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11378         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11379         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11380         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11381         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11382         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11383         add extra PLT entry for TLS descriptors.
11384         (Output_data_plt_x86_64::got_): New field.
11385         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11386         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11387         fields.
11388         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11389         descriptors.
11390         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11391         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11392         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11393         R_386_TLS_DESC_CALL relocations.
11394         (Target_x86_64::Scan::global): Likewise.
11395         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11396         for TLS descriptors.
11397         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11398         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11399         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11400         GD-to-IE relaxation.
11401         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11402         and TLS_DESCRIPTORS.
11403         * Makefile.in: Rebuild.
11404         * configure: Rebuild.
11405         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11406         (tls_test_shared2.so): New target.
11407         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11408         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11409         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11410         (tls_shared_gd_to_ie_test_LDADD): New variable.
11411         (tls_shared_gnu2_gd_to_ie_test): New target.
11412         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11413         New targets.
11414         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11415         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11416         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11417         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11418         (tls_shared_gnu2_test): New target.
11419         (tls_test_gnu2_shared.so): New target.
11420         (tls_shared_gnu2_test_SOURCES): New variable.
11421         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11422         (tls_shared_gnu2_test_LDFLAGS): New variable.
11423         (tls_shared_gnu2_test_LDADD): New variable.
11424         * testsuite/Makefile.in: Rebuild.
11425         * testsuite/Makefile.
11426
11427 2008-04-11  Ian Lance Taylor  <iant@google.com>
11428
11429         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11430         justsyms.t.
11431         * testsuite/Makefile.in: Rebuild.
11432
11433         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11434         long.
11435         * testsuite/script_test_2.cc (main): Adjust test.
11436
11437 2008-04-11  David S. Miller  <davem@davemloft.net>
11438             Ian Lance Taylor  <iant@google.com>
11439
11440         * options.h (General_options): Add entries for '-Y' and
11441         '-relax'.
11442         * options.cc (General_options:finalize): If -Y was used, add those
11443         entries to the library path instead of the default "/lib" and
11444         "/usr/lib".
11445
11446 2008-04-11  David S. Miller  <davem@davemloft.net>
11447
11448         * testsuite/justsyms.t: Start at 0x100.
11449         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11450         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11451         long.
11452         * testsuite/script_test_2.cc: Adjust string and section length
11453         checks.
11454
11455 2008-04-09  Ian Lance Taylor  <iant@google.com>
11456
11457         PR gold/5996
11458         * script-sections.cc (Sections_element::allocate_to_segment): Add
11459         orphan parameter.
11460         (Output_section_definition::allocate_to_segment): Likewise.
11461         (Orphan_output_section::allocate_to_segment): Likewise.
11462         (Script_sections::attach_sections_using_phdrs_clause): Don't
11463         propagate non-PT_LOAD segments to orphan sections.
11464         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11465         readelf rather than objdump.
11466         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11467         .interp section and PT_INTERP segment are the same size.
11468         * testsuite/Makefile.in: Rebuild.
11469
11470         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11471         aliases for symbols defined in the same object.
11472         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11473         (weak_alias_test_SOURCES): New variable.
11474         (weak_alias_test_DEPENDENCIES): New variable.
11475         (weak_alias_test_LDFLAGS): New variable.
11476         (weak_alias_test_LDADD): New variable.
11477         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11478         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11479         (weak_alias_test_3.o): New target.
11480         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11481         * testsuite/weak_alias_test_main.cc: New file.
11482         * testsuite/weak_alias_test_1.cc: New file.
11483         * testsuite/weak_alias_test_2.cc: New file.
11484         * testsuite/weak_alias_test_3.cc: New file.
11485
11486 2008-04-08  Ian Lance Taylor  <iant@google.com>
11487
11488         * options.h (class General_options): Add --noinhibit-exec option.
11489         * main.cc (main): Check --noinhibit-exec.
11490
11491         * options.h (class General_options): Define --wrap as a special
11492         option.  Add wrap_symbols_ field.
11493         (General_options::any_wrap_symbols): New function.
11494         (General_options::is_wrap_symbol): New function.
11495         * options.cc (General_options::parse_wrap): New function.
11496         (General_options::General_options): Initialize wrap_symbols_.
11497         * symtab.cc (Symbol_table::wrap_symbol): New function.
11498         (Symbol_table::add_from_object): Handle --wrap.
11499         * symtab.h (class Symbol_table): Declare wrap_symbol.
11500         * target.h (Target::wrap_char): New function.
11501         (Target::Target_info): Add wrap_char field.
11502         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11503         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11504         * testsuite/testfile.cc (Target_test::test_target_info):
11505         Likewise.
11506
11507         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11508         there is one.
11509
11510         * layout.h (class Layout): Add added_eh_frame_data_ field.
11511         * layout.cc (Layout::Layout): Initialize new field.
11512         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11513         output section until we find a section we merged successfully.
11514         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11515         that the size be non-zero.
11516
11517         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11518         qualifier.
11519
11520 2008-04-08  Craig Silverstein  <csilvers@google.com>
11521
11522         * configure.ac: Export new conditional variable HAVE_ZLIB.
11523         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11524         on HAVE_ZLIB.
11525         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11526         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11527
11528 2008-04-07  Ian Lance Taylor  <iant@google.com>
11529
11530         * version.cc (version_string): Set to "1.5".
11531
11532         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11533         Add issued_non_pic_error_ field.  Declare check_non_pic.
11534         (Target_x86_64::Scan::check_non_pic): New function.
11535         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11536         (Target_x86_64::Scan::global): Likewise.
11537
11538         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11539         addend parameter.  Change caller.  Handle merge sections.
11540         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11541         Address to Addend.  Don't add in the result of
11542         local_section_offset, pass down the addend and use the returned
11543         value.
11544         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11545         Update declarations of local_section_offset and symbol_value.
11546         * testsuite/two_file_test_1.cc (t18): New function.
11547         * testsuite/two_file_test_2.cc (f18): New function.
11548         * testsuite/two_file_test_main.cc (main): Call t18.
11549         * testsuite/two_file_test.h (t18, f18): Declare.
11550
11551         * configure.ac: Don't test for objdump, c++filt, or readelf.
11552         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11553         conditionals.
11554         (TEST_READELF): New variable.
11555         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11556         (check_PROGRAMS): Add two_file_strip_test.
11557         (two_file_strip_test): New target.
11558         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11559         (two_file_same_shared_strip_test_SOURCES): New variable.
11560         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11561         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11562         (two_file_same_shared_strip_test_LDADD): New variable.
11563         (two_file_shared_strip.so): New target.
11564         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11565         (ver_test_5.syms, ver_test_7.syms): Likewise.
11566         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11567         (strip_test_3.stdout): Use TEST_OBJDUMP.
11568         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11569
11570 2008-04-04  Cary Coutant  <ccoutant@google.com>
11571
11572         * symtab.h (Symbol::is_weak_undefined): New function.
11573         (Symbol::is_strong_undefined): New function.
11574         (Symbol::is_absolute): New function.
11575         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11576         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11577         absolute symbols.
11578         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11579         (weak_undef_test): New target.
11580         * testsuite/Makefile.in: Rebuild.
11581         * testsuite/weak_undef_file1.cc: New file.
11582         * testsuite/weak_undef_file2.cc: New file.
11583         * testsuite/weak_undef_test.cc: New file.
11584
11585 2008-04-03  Craig Silverstein  <csilvers@google.com>
11586
11587         * compressed_output.h (class Output_compressed_section): Use
11588         unsigned buffer.
11589         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11590         add zlib header.
11591         (zlib_compressed_suffix): Removed.
11592         (Output_compressed_section::set_final_data_size): Use unsigned
11593         buffers.
11594         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11595         Fix linker invocation.
11596         (flagstest_o_specialfile_and_compress_debug_sections):
11597         Likewise.
11598         * testsuite/Makefile.in: Regenerated.
11599
11600 2008-04-02  David S. Miller  <davem@davemloft.net>
11601
11602         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11603         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11604
11605 2008-04-02  Craig Silverstein  <csilvers@google.com>
11606
11607         * TODO: New file.
11608
11609 2008-04-02  Ian Lance Taylor  <iant@google.com>
11610
11611         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11612         parameters.  Update for new key type to views_.  Change all
11613         callers.
11614         (File_read::read): Adjust for byteshift in returned view.
11615         (File_read::add_view): New function, broken out of
11616         find_and_make_view.
11617         (File_read::make_view): New function, broken out of
11618         find_and_make_view.
11619         (File_read::find_or_make_view): Add offset and aligned
11620         parameters.  Rewrite accordingly.  Change all callers.
11621         (File_read::get_view): Add offset and aligned parameters.  Adjust
11622         for byteshift in return value.
11623         (File_read::get_lasting_view): Likewise.
11624         * fileread.h (class File_read): Update declarations.
11625         (class File_read::View): Add byteshift_ field.  Add byteshift to
11626         constructor.  Add byteshift method.
11627         * archive.h (Archive::clear_uncached_views): New function.
11628         (Archive::get_view): Add aligned parameter.  Change all callers.
11629         * object.h (Object::get_view): Add aligned parameter.  Change all
11630         callers.
11631         (Object::get_lasting_view): Likewise.
11632
11633         * fileread.cc (File_read::release): Don't call clear_views if
11634         there are multiple objects.
11635         * fileread.h (File_read::clear_uncached_views): New function.
11636         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11637         on the archive.
11638
11639 2008-03-31  Cary Coutant  <ccoutant@google.com>
11640
11641         Add thin archive support.
11642         * archive.cc (Archive::armagt): New const.
11643         (Archive::setup): Remove task parameter and calls to unlock.
11644         (Archive::unlock_nested_archives): New function.
11645         (Archive::read_header): Add nested_off parameter. Change
11646         all callers.
11647         (Archive::interpret_header): Likewise.
11648         (Archive::include_all_members): Change to handle thin
11649         archives.
11650         (Archive::include_member): Likewise.
11651         * archive.h (Archive::Archive): Add new parameters and
11652         initializers.
11653         (Archive::armagt): New const.
11654         (Archive::setup): Remove task parameter.
11655         (Archive::unlock_nested_archives): New function.
11656         (Archive::read_header): Add nested_off parameter.
11657         (Archive::interpret_header): Likewise.
11658         (Archive::Nested_archive_table): New typedef.
11659         (Archive::is_thin_archive_): New field.
11660         (Archive::nested_archives_): New field.
11661         (Archive::options_): New field.
11662         (Archive::dirpath_): New field.
11663         (Archive::task_): New field.
11664         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11665         for thin archives.  Pass additional parameters to
11666         Archive::Archive.  Unlock the archive file after calling
11667         Archive::setup.
11668
11669 2008-03-29  Ian Lance Taylor  <iant@google.com>
11670
11671         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11672         version symbol to be local.
11673         * testsuite/ver_test_4.sh: New file.
11674         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11675         (check_DATA): Add ver_test_4.syms.
11676         (ver_test_4.syms): New target.
11677         * testsuite/Makefile.in: Rebuild.
11678
11679         * output.cc
11680         (Output_section::Input_section_sort_entry::has_priority): New
11681         function.
11682         (Output_section::Input_section_sort_entry::match_file_name): New
11683         function.
11684         (Output_section::Input_section_sort_entry::match_section_name):
11685         Remove.
11686         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11687         Remove.
11688         (Output_section::Input_section_sort_entry::match_section_file):
11689         Remove.
11690         (Output_section::Input_section_sort_compare::operator()): Rewrite
11691         using new Input_section_sort_entry functions.  Sort crtbegin and
11692         crtend first.  Sort sections with no priority before sections with
11693         a priority.
11694         * testsuite/initpri1.c (d3): Check j != 4.
11695         (cd5): New constructor/destructor function.
11696         (main): Check j != 2.
11697
11698         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11699         new symbol when resolving, don't call set_is_default.
11700         * testsuite/ver_test_7.cc: New file.
11701         * testsuite/ver_test_7.sh: New file.
11702         * testsuite/Makefile.am (ver_test_7.so): New target.
11703         (ver_test_7.o): New target.
11704         (check_SCRIPTS): Add ver_test_7.sh.
11705         (check_DATA): Add ver_test_7.syms.
11706         (ver_test_7.syms): New target.
11707
11708 2008-03-28  Ian Lance Taylor  <iant@google.com>
11709
11710         * layout.cc (Layout::layout): If we see an input section with a
11711         name that needs sorting, set the must_sort flag for the output
11712         section.
11713         (Layout::make_output_section): If the name of the output section
11714         indicates that it might require sorting, set the may_sort flag.
11715         * output.h (Output_section::may_sort_attached_input_sections): New
11716         function.
11717         (Output_section::set_may_sort_attached_input_sections): New
11718         function.
11719         (Output_section::must_sort_attached_input_sections): New
11720         function.
11721         (Output_section::set_must_sort_attached_input_sections): New
11722         function.
11723         (class Output_section): Declare Input_section_sort_entry.  Define
11724         Input_section_sort_compare.  Declare
11725         sort_attached_input_sections.  Add new fields:
11726         may_sort_attached_input_sections_,
11727         must_sort_attached_input_sections_,
11728         attached_input_sections_are_sorted_.
11729         * output.cc (Output_section::Output_section): Initialize new
11730         fields.
11731         (Output_section::add_input_section): Add an entry to
11732         input_sections_ if may_sort or must_sort are true.
11733         (Output_section::set_final_data_size): Call
11734         sort_attached_input_sections if necessary.
11735         (Output_section::Input_section_sort_entry): Define new class.
11736         (Output_section::Input_section_sort_compare::operator()): New
11737         function.
11738         (Output_section::sort_attached_input_sections): New function.
11739         * configure.ac: Check whether the compiler supports constructor
11740         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11741         * testsuite/initpri1.c: New file.
11742         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11743         CONSTRUCTOR_PRIORITY.
11744         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11745         (initpri1_LDFLAGS): New variable.
11746         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11747
11748 2008-03-27  Ian Lance Taylor  <iant@google.com>
11749
11750         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11751         * testsuite/common_test_1.c: New file.
11752         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11753         (common_test_1_SOURCES): New variable.
11754         (common_test_1_DEPENDENCIES): New variable.
11755         (common_test_1_LDFLAGS): New variable.
11756
11757         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11758         and commons_ correctly when NAME/VERSION does not override
11759         NAME/NULL.
11760         * testsuite/ver_test_6.c: New file.
11761         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11762         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11763         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11764
11765 2008-03-26  Ian Lance Taylor  <iant@google.com>
11766
11767         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11768         of an undefined symbol from a version script.
11769         * testsuite/Makefile.am (ver_test_5.so): New target.
11770         (ver_test_5.o): New target.
11771         (check_SCRIPTS): Add ver_test_5.sh.
11772         (check_DATA): Add ver_test_5.syms.
11773         (ver_test_5.syms): New target.
11774         * testsuite/ver_test_5.cc: New file.
11775         * testsuite/ver_test_5.script: New file.
11776         * testsuite/ver_test_5.sh: New file.
11777         * Makefile.in, testsuite/Makefile.in: Rebuild.
11778
11779         PR gold/5986
11780         Fix problems building gold with gcc 4.3.0.
11781         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11782         (gold_error_at_location, gold_warning_at_location): Use it.
11783         * configure.ac: Check whether we can compile and use a template
11784         function with a printf attribute.
11785         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11786         when jumping over bytes.
11787         * object.cc: Instantiate Object::read_section_data.
11788         * debug.h: Include <cstring>
11789         * dwarf_reader.cc: Include <algorithm>
11790         * main.cc: Include <cstring>.
11791         * options.cc: Include <cstring>.
11792         * output.cc: Include <cstring>.
11793         * script.cc: Include <cstring>.
11794         * script.h: Include <string>.
11795         * symtab.cc: Include <cstring> and <algorithm>.
11796         * target-select.cc: Include <cstring>.
11797         * version.cc: Include <string>.
11798         * testsuite/testmain.cc: Include <cstdlib>.
11799         * configure, config.in: Rebuild.
11800
11801 2008-03-25  Ian Lance Taylor  <iant@google.com>
11802
11803         * options.cc: Include "../bfd/bfdver.h".
11804         (options::help): Print bug reporting address.
11805
11806         * version.cc (print_version): Adjust output for current value of
11807         BFD_VERSION_STRING.
11808
11809         * NEWS: New file.
11810
11811         * options.cc (options::help): Print list of supported targets.
11812         * target-select.h: Include <vector>.
11813         (class Target_selector): Make machine_, size_, and is_big_endian_
11814         fields const.  Add bfd_name_ and instantiated_target_ fields.
11815         (Target_selector::Target_selector): Add bfd_name parameter.
11816         (Target_selector::recognize): Make non-virtual, call
11817         do_recognize.
11818         (Target_selector::recognize_by_name): Make non-virtual, call
11819         do_recognize_by_name.
11820         (Target_selector::supported_names): New function.
11821         (Target_selector::bfd_name): New function.
11822         (Target_selector::do_instantiate_target): New pure virtual
11823         function.
11824         (Target_selector::do_recognize): New virtual function.
11825         (Target_selector::do_recognize_by_name): New virtual function.
11826         (Target_selector::instantiate_target): New private function.
11827         (supported_target_names): Declare.
11828         * target-select.cc (Target_selector::Target_selector): Update for
11829         new parameter and fields.
11830         (select_target_by_name): Check that the name matches before
11831         calling recognize_by_name.
11832         (supported_target_names): New function.
11833         * i386.cc (class Target_selector_i386): Update Target_selector
11834         constructor call.  Remove recognize and recognize_by_name.  Add
11835         do_instantiate_target.
11836         * x86_64.cc (class Target_selector_x86_64): Likewise.
11837         * testsuite/testfile.cc (class Target_selector_test): Update for
11838         changes to Target_selector.
11839
11840         * README: Rewrite, with some notes on unsupported features.
11841
11842 2008-03-24  Cary Coutant  <ccoutant@google.com>
11843
11844         * i386.cc (Target_i386::Got_type): New enum declaration.
11845         (Target_i386::Scan::local): Updated callers of Output_data_got
11846         member functions.
11847         (Target_i386::Scan::global): Likewise.
11848         (Target_i386::Relocate::relocate): Likewise.
11849         (Target_i386::Relocate::relocate_tls): Likewise.
11850         * object.h (Got_offset_list): New class.
11851         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11852         (Sized_relobj::local_got_offset): Likewise.
11853         (Sized_relobj::set_local_got_offset): Likewise.
11854         (Sized_relobj::local_has_tls_got_offset): Removed.
11855         (Sized_relobj::local_tls_got_offset): Removed.
11856         (Sized_relobj::set_local_tls_got_offset): Removed.
11857         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11858         * output.cc (Output_data_got::add_global): Added got_type parameter.
11859         (Output_data_got::add_global_with_rel): Likewise.
11860         (Output_data_got::add_global_with_rela): Likewise.
11861         (Output_data_got::add_global_pair_with_rel): New function.
11862         (Output_data_got::add_global_pair_with_rela): New function.
11863         (Output_data_got::add_local): Added got_type parameter.
11864         (Output_data_got::add_local_with_rel): Likewise.
11865         (Output_data_got::add_local_with_rela): Likewise.
11866         (Output_data_got::add_local_pair_with_rel): New function.
11867         (Output_data_got::add_local_pair_with_rela): New function.
11868         (Output_data_got::add_global_tls): Removed.
11869         (Output_data_got::add_global_tls_with_rel): Removed.
11870         (Output_data_got::add_global_tls_with_rela): Removed.
11871         (Output_data_got::add_local_tls): Removed.
11872         (Output_data_got::add_local_tls_with_rel): Removed.
11873         (Output_data_got::add_local_tls_with_rela): Removed.
11874         * output.h (Output_data_got::add_global): Added got_type parameter.
11875         (Output_data_got::add_global_with_rel): Likewise.
11876         (Output_data_got::add_global_with_rela): Likewise.
11877         (Output_data_got::add_global_pair_with_rel): New function.
11878         (Output_data_got::add_global_pair_with_rela): New function.
11879         (Output_data_got::add_local): Added got_type parameter.
11880         (Output_data_got::add_local_with_rel): Likewise.
11881         (Output_data_got::add_local_with_rela): Likewise.
11882         (Output_data_got::add_local_pair_with_rel): New function.
11883         (Output_data_got::add_local_pair_with_rela): New function.
11884         (Output_data_got::add_global_tls): Removed.
11885         (Output_data_got::add_global_tls_with_rel): Removed.
11886         (Output_data_got::add_global_tls_with_rela): Removed.
11887         (Output_data_got::add_local_tls): Removed.
11888         (Output_data_got::add_local_tls_with_rel): Removed.
11889         (Output_data_got::add_local_tls_with_rela): Removed.
11890         * resolve.cc (Symbol::override_base_with_special): Removed
11891         reference to has_got_offset_ field.
11892         * symtab.cc (Symbol::init_fields): Replaced initialization
11893         of got_offset_ with got_offsets_.  Removed initialization
11894         of has_got_offset_
11895         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11896         (Symbol::got_offset): Likewise.
11897         (Symbol::set_got_offset): Likewise.
11898         (Symbol::has_tls_got_offset): Removed.
11899         (Symbol::tls_got_offset): Removed.
11900         (Symbol::set_tls_got_offset): Removed.
11901         (Symbol::got_offset_): Removed.
11902         (Symbol::tls_mod_got_offset_): Removed.
11903         (Symbol::tls_pair_got_offset_): Removed.
11904         (Symbol::got_offsets_): New field.
11905         (Symbol::has_got_offset): Removed.
11906         (Symbol::has_tls_mod_got_offset): Removed.
11907         (Symbol::has_tls_pair_got_offset): Removed.
11908         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11909         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11910         member functions.
11911         (Target_x86_64::Scan::global): Likewise.
11912         (Target_x86_64::Relocate::relocate): Likewise.
11913         (Target_x86_64::Relocate::relocate_tls): Likewise.
11914
11915 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11916
11917         * yyscript.y: Fix spelling error in comment.
11918
11919 2008-03-24  Ian Lance Taylor  <iant@google.com>
11920
11921         * options.h (class General_options): Define build_id option.
11922         * layout.h (class Layout): Declare write_build_id, create_note,
11923         create_build_id.  Add build_id_note_ member.
11924         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11925         "libiberty.h", "md5.h", "sha1.h".
11926         (Layout::Layout): Initialize eh_frame_data_,
11927         eh_frame_hdr_section_, and build_id_note_.
11928         (Layout::finalize): Call create_build_id.
11929         (Layout::create_note): New function, broken out of
11930         Layout::create_gold_note.
11931         (Layout::create_gold_note): Call create_note.
11932         (Layout::create_build_id): New function.
11933         (Layout::write_build_id): New function.
11934         (Close_task_runner::run): Call write_build_id.
11935
11936         * x86_64.cc: Correct license to GPLv3.
11937
11938 2008-03-23  Ian Lance Taylor  <iant@google.com>
11939
11940         * options.cc: Include "demangle.h".
11941         (parse_optional_string): New function.
11942         (parse_long_option): Handle takes_optional_argument.
11943         (parse_short_option): Update dash_z initializer.  Handle
11944         takes_optional_argument.
11945         (General_options::General_options): Initialize do_demangle_.
11946         (General_options::finalize): Set do_demangle_.  Handle demangling
11947         style.
11948         * options.h (parse_optional_string): Declare.
11949         (struct One_option): Add optional_arg field.  Update constructor.
11950         Update call constructor calls.  Add takes_optional_argument
11951         function.
11952         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11953         (DEFINE_optional_string): Define.
11954         (General_options::demangle): Change from DEFINE_bool to
11955         DEFINE_optional_string.
11956         (General_options::no_demangle): New function.
11957         (General_options::do_demangle): New function.
11958         (General_options::set_do_demangle): New function.
11959         (General_options::execstack_status_): Move definition to end of
11960         class definition.
11961         (General_options::static_): Likewise.
11962         (General_options::do_demangle_): New field.
11963         * object.cc (big_endian>::get_symbol_location_info): Call
11964         Options::do_demangle, not Options::demangle.
11965         * symtab.cc (demangle): Likewise.
11966
11967 2008-03-22  Ian Lance Taylor  <iant@google.com>
11968
11969         * gold.h: Include <cstddef> and <sys/types.h>
11970         * options.h: Include <cstring>.
11971
11972 2008-03-21  Ian Lance Taylor  <iant@google.com>
11973
11974         * Added source code to GNU binutils.