* object.cc (Sized_relobj_file::do_layout): Remove unused local
[external/binutils.git] / gold / ChangeLog
1 2011-09-13  Ian Lance Taylor  <iant@google.com>
2
3         * object.cc (Sized_relobj_file::do_layout): Remove unused local
4         variable external_symbols_offset.
5
6 2011-09-12  Ian Lance Taylor  <iant@google.com>
7
8         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
9         triggered if object has no symbols.
10
11 2011-09-09  David S. Miller  <davem@davemloft.net>
12
13         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
14         (Output_fill_debug_line::do_write): Likewise.
15
16 2011-08-29  Cary Coutant  <ccoutant@google.com>
17
18         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
19         casts to match formatting specs.
20         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
21
22 2011-08-26  Cary Coutant  <ccoutant@google.com>
23
24         * layout.cc (Free_list::allocate): Provide guarantee of minimum
25         remaining hole size when allocating.
26         (Layout::make_output_section): Set fill methods for debug sections.
27         * layout.h (Free_list::Free_list_node): Move from private to
28         public.
29         (Free_list::set_min_hole_size): New function.
30         (Free_list::begin, Free_list::end): New functions.
31         (Free_list::min_hole_): New data member.
32         * output.cc: Include dwarf.h.
33         (Output_fill_debug_info::do_minimum_hole_size): New function.
34         (Output_fill_debug_info::do_write): New function.
35         (Output_fill_debug_line::do_minimum_hole_size): New function.
36         (Output_fill_debug_line::do_write): New function.
37         (Output_section::Output_section): Initialize new data member.
38         (Output_section::set_final_data_size): Ensure patch space is larger
39         than minimum hole size.
40         (Output_section::do_write): Fill holes in debug sections.
41         * output.h (Output_fill): New class.
42         (Output_fill_debug_info): New class.
43         (Output_fill_debug_line): New class.
44         (Output_section::set_free_space_fill): New function.
45         (Output_section::free_space_fill_): New data member.
46         * testsuite/Makefile.am (incremental_test_3): Add
47         --incremental-patch option.
48         (incremental_test_4): Likewise.
49         (incremental_test_5): Likewise.
50         (incremental_test_6): Likewise.
51         (incremental_copy_test): Likewise.
52         (incremental_common_test_1): Likewise.
53         * testsuite/Makefile.in: Regenerate.
54
55 2011-08-26  Nick Clifton  <nickc@redhat.com>
56
57         * po/es.po: Updated Spanish translation.
58
59 2011-08-01  Cary Coutant  <ccoutant@google.com>
60
61         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
62         * gold/testsuite/Makefile.in: Regenerate.
63         * gold/testsuite/justsyms_exec.c: New source file.
64         * gold/testsuite/justsyms_lib.c: New source file.
65
66 2011-08-01  Cary Coutant  <ccoutant@google.com>
67
68         * layout.cc (Layout::set_segment_offsets): Don't realign text
69         segment if -Ttext was specified.
70         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
71         file type.
72         * object.h (Sized_relobj_file::e_type): New function.
73         (Sized_relobj_file::e_type_): New data member.
74         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
75         base address for ET_EXEC files.
76         * target.cc (Target::do_make_elf_object_implementation): Allow
77         ET_EXEC files with --just-symbols option.
78
79 2011-07-28  Cary Coutant  <ccoutant@google.com>
80
81         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
82         Add thread_number parameter.
83         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
84         * workqueue-threads.cc
85         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
86         current thread if its thread number is greater than desired thread
87         count.
88         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
89         Add thread_number parameter.
90         (Workqueue::should_cancel_thread): Likewise.
91         (Workqueue::find_runnable_or_wait): Pass thread_number to
92         should_cancel_thread.
93         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
94         parameter.
95
96 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
97
98         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
99         only after checking if it cannot be forced local.
100         * symtab.h (is_externally_visible): Check if the symbol is not forced
101         local.
102
103 2011-07-15  Ian Lance Taylor  <iant@google.com>
104
105         * options.h (class General_options): Add --print-output-format.
106         Move -EL next to -EB, for  better --help output.
107         * target-select.cc: Include <cstdio>, "options.h", and
108         "parameters.h".
109         (Target_selector::do_target_bfd_name): New function.
110         (print_output_format): New function.
111         * target-select.h (class Target_selector): Update declarations.
112         (Target_selector::target_bfd_name): New function.
113         (print_output_format): Declare.
114         * main.cc: Include "target-select.h".
115         (main): Handle --print-output-format.
116         * gold.cc: Include "target-select.h".
117         (queue_initial_tasks): Handle --print-output-format when there are
118         no input files.
119         * parameters.cc (parameters_force_valid_target): Give a better
120         error message if -EB/-EL does not match target.
121         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
122         function.
123
124 2011-07-15  Ian Lance Taylor  <iant@google.com>
125
126         * i386.cc (class Output_data_plt_i386): Add layout_ field.
127         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
128         (Output_data_plt_i386::do_write): Write address of .dynamic
129         section to first entry in .got.plt section.
130         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
131         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
132         Initialize layout_.
133         (Output_data_plt_x86_64::do_write): Write address of .dynamic
134         section to first entry in .got.plt section.
135         * layout.h (Layout::dynamic_section): New function.
136
137 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
138
139         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
140         to claim_file call.
141         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
142         input_section_position_, and input_section_glob_.
143         (read_layout_from_file): Call function section_ordering_specified.
144         * layout.h (is_section_ordering_specified): New function.
145         (section_ordering_specified): New function.
146         (section_ordering_specified_): New boolean member.
147         * main.cc(main): Call load_plugins after layout object is defined.
148         * output.cc (Output_section::add_input_section): Use
149         function section_ordering_specified to check if section ordering is
150         needed.
151         * output.cc (Output_section::add_relaxed_input_section): Use
152         function section_ordering_specified to check if section ordering is
153         needed.
154         (Output_section::update_section_layout): New function.
155         (Output_section::sort_attached_input_sections): Check if input section
156         must be reordered.
157         * output.h (Output_section::update_section_layout): New function.
158         * plugin.cc (get_section_count): New function.
159         (get_section_type): New function.
160         (get_section_name): New function.
161         (get_section_contents): New function.
162         (update_section_order): New function.
163         (allow_section_ordering): New function. 
164         (Plugin::load): Add the new interfaces to the transfer vector.
165         (Plugin_manager::load_plugins): New parameter.
166         (Plugin_manager::all_symbols_read): New parameter.
167         (Plugin_manager::claim_file): New parameter. Save the elf object for
168         unclaimed objects.
169         (Plugin_manager::get_elf_object): New function.
170         (Plugin_manager::get_view): Change to directly use the bool to check
171         if get_view is called from claim_file_hook.
172         * plugin.h (input_objects): New function
173         (Plugin__manager::load_plugins): New parameter.
174         (Plugin_manager::claim_file): New parameter.
175         (Plugin_manager::get_elf_object): New function.
176         (Plugin_manager::in_claim_file_handler): New function.
177         (Plugin_manager::in_claim_file_handler_): New member.
178         (layout): New function.
179         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
180         handler with an extra parameter. Make the elf object before calling
181         claim_file handler.
182         * testsuite/plugin_test.c (get_section_count): New function pointer.
183         (get_section_type): New function pointer.
184         (get_section_name): New function pointer.
185         (get_section_contents): New function pointer.
186         (update_section_order): New function pointer.
187         (allow_section_ordering): New function pointer.
188         (onload): Check if the new interfaces exist.
189
190 2011-07-13  Ian Lance Taylor  <iant@google.com>
191
192         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
193         relro section.
194         * x86_64.cc (Target_x86_64::got_section): Likewise.
195         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
196         (relro_now_test_SOURCES): New variable.
197         (relro_now_test_DEPENDENCIES): New variable.
198         (relro_now_test_LDFLAGS): New variable.
199         (relro_now_test_LDADD): New variable.
200         (relro_now_test.so): New target.
201         * testsuite/Makefile.in: Rebuild.
202
203 2011-07-12  Ian Lance Taylor  <iant@google.com>
204
205         PR gold/12980
206         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
207         GLOB_DAT relocation rather than a RELATIVE relocation for a
208         protected symbol when creating a shared library.
209         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
210         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
211         * testsuite/protected_main_1.cc (main): Test that protected
212         function has same address.
213
214 2011-07-11  Ian Lance Taylor  <iant@google.com>
215
216         PR gold/12979
217         * options.h (class General_options): Add -Bgroup.
218         * options.cc (General_options::finalize): If -Bgroup is set,
219         default to --unresolved-symbols=report-all.
220         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
221         * target-reloc.h (issue_undefined_symbol_error): Handle
222         --unresolved-symbols=report-all.
223
224 2011-07-08  Ian Lance Taylor  <iant@google.com>
225
226         PR gold/11985
227         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
228         if linker script discards key sections.
229         (Layout::create_dynamic_symtab): Likewise.
230         (Layout::assign_local_dynsym_offsets): Likewise.
231         (Layout::sized_create_version_sections): Likewise.
232         (Layout::create_interp): Likewise.
233         (Layout::finish_dynamic_section): Likewise.
234         (Layout::set_dynamic_symbol_size): Likewise.
235
236 2011-07-08  Ian Lance Taylor  <iant@google.com>
237
238         PR gold/12386
239         * options.h (class General_options): Add --unresolved-symbols.
240         * target-reloc.h (issue_undefined_symbol_error): Check
241         --unresolved-symbols.  Add comments.
242
243 2011-07-08  Ian Lance Taylor  <iant@google.com>
244
245         * testsuite/odr_violation2.cc (Ordering::operator()): Make
246         expression more complex.
247
248 2011-07-08  Ian Lance Taylor  <iant@google.com>
249
250         PR gold/11317
251         * target-reloc.h (issue_undefined_symbol_error): New inline
252         function, broken out of relocate_section.
253         (relocate_section): Call issue_undefined_symbol_error.
254         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
255         there is no TLS segment if we are about to issue an undefined
256         symbol error.
257         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
258
259 2011-07-08  Ian Lance Taylor  <iant@google.com>
260
261         PR gold/12279
262         * resolve.cc (Symbol_table::should_override): Add fromtype
263         parameter.  Change all callers.  Give error when linking together
264         TLS and non-TLS symbol.
265         (Symbol_table::should_override_with_special): Add fromtype
266         parameter.  Change all callers.
267         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
268         there is no TLS segment if we have reported some errors.
269         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
270
271 2011-07-08  Ian Lance Taylor  <iant@google.com>
272
273         PR gold/12372
274         * target.h (Target::plt_address_for_global): New function.
275         (Target::plt_address_for_local): New function.
276         (Target::plt_section_for_global): Remove.
277         (Target::plt_section_for_local): Remove.
278         (Target::do_plt_address_for_global): New virtual function.
279         (Target::do_plt_address_for_local): New virtual function.
280         (Target::do_plt_section_for_global): Remove.
281         (Target::do_plt_section_for_local): Remove.
282         (Target::register_global_plt_entry): Add Symbol_table and Layout
283         parameters.
284         * output.cc (Output_data_got::Got_entry::write): Use
285         plt_address_for_global and plt_address_for_local.
286         * layout.cc (Layout::add_target_dynamic_tags): Use size and
287         address of output section.
288         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
289         got_irelative_, and irelative_count_ fields.  Update
290         declarations.
291         (Output_data_plt_i386::has_irelative_section): New function.
292         (Output_data_plt_i386::entry_count): Add irelative_count_.
293         (Output_data_plt_i386::set_final_data_size): Likewise.
294         (class Target_i386): Add got_irelative_ and rel_irelative_
295         fields.  Update declarations.
296         (Target_i386::Target_i386): Initialize new fields.
297         (Target_i386::do_plt_address_for_global): New function replacing
298         do_plt_section_for_global.
299         (Target_i386::do_plt_address_for_local): New function replacing
300         do_plt_section_for_local.
301         (Target_i386::got_section): Create got_irelative_.
302         (Target_i386::rel_irelative_section): New function.
303         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
304         fields.  Don't define __rel_iplt_{start,end}.
305         (Output_data_plt_i386::add_entry): Add symtab and layout
306         parameters.  Change all callers.  Use different PLT and GOT for
307         IFUNC symbols.
308         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
309         layout parameters.  Change all callers.  Use different PLT and
310         GOT.
311         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
312         (Output_data_plt_i386::rel_irelative): New function.
313         (Output_data_plt_i386::address_for_global): New function.
314         (Output_data_plt_i386::address_for_local): New function.
315         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
316         IRELATIVE GOT when changing IFUNC GOT entries.
317         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
318         reloc.
319         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
320         if we didn't create an IRELATIVE GOT.
321         (Target_i386::Relocate::relocate): Use plt_address_for_global and
322         plt_address_for_local.
323         (Target_i386::do_dynsym_value): Use plt_address_for_global.
324         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
325         got_irelative_, and irelative_count_ fields.  Update
326         declarations.
327         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
328         Initialize new fields.  Remove symtab parameter.  Change all
329         callers.
330         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
331         irelative_count_.
332         (Output_data_plt_x86_64::has_irelative_section): New function.
333         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
334         (class Target_x86_64): Add got_irelative_ and rel_irelative_
335         fields.  Update declarations.
336         (Target_x86_64::Target_x86_64): Initialize new fields.
337         (Target_x86_64::do_plt_address_for_global): New function replacing
338         do_plt_section_for_global.
339         (Target_x86_64::do_plt_address_for_local): New function replacing
340         do_plt_section_for_local.
341         (Target_x86_64::got_section): Create got_irelative_.
342         (Target_x86_64::rela_irelative_section): New function.
343         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
344         all callers.  Don't create __rel_iplt_{start,end}.
345         (Output_data_plt_x86_64::add_entry): Add symtab and layout
346         parameters.  Change all callers.  Use different PLT and GOT for
347         IFUNC symbols.
348         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
349         layout parameters.  Change all callers.  Use different PLT and
350         GOT.
351         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
352         parameters.  Change all callers.  Use different PLT and GOT for
353         IFUNC symbols.
354         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
355         (Output_data_plt_x86_64::rela_irelative): New function.
356         (Output_data_plt_x86_64::address_for_global): New function.
357         (Output_data_plt_x86_64::address_for_local): New function.
358         (Output_data_plt_x86_64::set_final_data_size): Likewise.
359         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
360         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
361         (Target_x86_64::register_global_plt_entry): Add symtab and layout
362         parameters.
363         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
364         reloc.
365         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
366         symbols if we didn't create an IRELATIVE GOT.
367         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
368         plt_address_for_local.
369         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
370         * testsuite/ifuncvar1.c: New test file.
371         * testsuite/ifuncvar2.c: New test file.
372         * testsuite/ifuncvar3.c: New test file.
373         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
374         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
375         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
376         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
377         * testsuite/Makefile.in: Rebuild.
378
379 2011-07-07  Cary Coutant  <ccoutant@google.com>
380
381         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
382         (two_file_test_1_ndebug.o): Likewise.
383         (two_file_test_1b_ndebug.o): Likewise.
384         (two_file_test_2_ndebug.o): Likewise.
385         (two_file_test_main_ndebug.o): Likewise.
386         (incremental_test_2): Link with no-debug versions.
387
388 2011-07-06  Cary Coutant  <ccoutant@google.com>
389
390         * gold/incremental.cc
391         (Output_section_incremental_inputs::write_info_blocks): Check for
392         hidden and internal symbols.
393
394 2011-07-06  Cary Coutant  <ccoutant@google.com>
395
396         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
397         Check disposition for startup file.
398         (Incremental_inputs::report_command_line): Ignore
399         --incremental-startup-unchanged option.
400         * options.cc (General_options::parse_incremental_startup_unchanged):
401         New function.
402         (General_options::General_options): Initialize new data member.
403         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
404         (General_options): Add --incremental-startup-unchanged option.
405         (General_options::incremental_startup_disposition): New function.
406         (General_options::incremental_startup_disposition_): New data member.
407
408 2011-07-06  Cary Coutant  <ccoutant@google.com>
409
410         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
411         input file index to Script_info ctor.
412         (Sized_incremental_binary::do_file_has_changed): Find the
413         command-line argument for files named in scripts.
414         * incremental.h (Script_info::Script_info): New ctor
415         with input file index.
416         (Script_info::input_file_index): New function.
417         (Script_info::input_file_index_): New data member.
418         (Incremental_binary::get_library): Add const.
419         (Incremental_binary::get_script_info): Add const.
420         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
421         * testsuite/Makefile.am (incremental_test_5): New test case.
422         (incremental_test_6): New test case.
423         * testsuite/Makefile.in: Regenerate.
424
425 2011-07-06  Cary Coutant  <ccoutant@google.com>
426
427         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
428         debug output when command lines differ.
429
430 2011-07-06  Cary Coutant  <ccoutant@google.com>
431
432         * incremental.cc (Incremental_inputs::report_command_line): Ignore
433         --incremental-patch option.
434         * layout.cc (Free_list::allocate): Extend allocation beyond original
435         end if enabled.
436         (Layout::make_output_section): Mark sections that should get
437         patch space.
438         * options.cc (parse_percent): New function.
439         * options.h (parse_percent): New function.
440         (DEFINE_percent): New macro.
441         (General_options): Add --incremental-patch option.
442         * output.cc (Output_section::Output_section): Initialize new data
443         members.
444         (Output_section::add_input_section): Print section name when out
445         of patch space.
446         (Output_section::add_output_section_data): Likewise.
447         (Output_section::set_final_data_size): Add patch space when
448         doing --incremental-full.
449         (Output_section::do_reset_address_and_file_offset): Remove patch
450         space.
451         (Output_segment::set_section_list_addresses): Print debug output
452         only if --incremental-update.
453         * output.h (Output_section::set_is_patch_space_allowed): New function.
454         (Output_section::is_patch_space_allowed_): New data member.
455         (Output_section::patch_space_): New data member.
456         * parameters.cc (Parameters::incremental_full): New function.
457         * parameters.h (Parameters::incremental_full): New function
458         * testsuite/Makefile.am (incremental_test_2): Add test for
459         --incremental-patch option.
460         * testsuite/Makefile.in: Regenerate.
461         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
462         (t18): Remove function body.
463
464 2011-07-05  Doug Kwan  <dougkwan@google.com>
465
466         PR gold/12771
467         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
468         Arm_Address type for relocation result.
469         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
470         overflow check.
471         (Arm_relocate_functions::abs32): Use unaligned access.
472         (Arm_relocate_functions::rel32): Ditto.
473         (Arm_relocate_functions::prel31): Ditto.
474         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
475         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
476         static data relocations.
477         * testsuite/Makefile.in: Regnerate.
478         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
479
480 2011-07-05  Ian Lance Taylor  <iant@google.com>
481
482         PR gold/12392
483         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
484         symbols if necessary.
485         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
486
487 2011-07-05  Ian Lance Taylor  <iant@google.com>
488
489         PR gold/12952
490         * resolve.cc (Symbol::override_base_with_special): Simply override
491         version with special symbol version, ignoring previous version.
492
493 2011-07-05  Ian Lance Taylor  <iant@google.com>
494
495         * object.cc (Sized_relobj_file::include_section_group): Add
496         information to comment about signature location.
497
498 2011-07-02  Ian Lance Taylor  <iant@google.com>
499
500         PR gold/12957
501         * options.h (class General_options): Add -f and -F.
502         * options.cc (General_options::finalize): Fatal error if -f/-F
503         are used without -shared.
504         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
505
506 2011-07-02  Ian Lance Taylor  <iant@google.com>
507
508         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
509
510 2011-07-01  Ian Lance Taylor  <iant@google.com>
511
512         PR gold/12525
513         PR gold/12952
514         * resolve.cc (Symbol::override_base_with_special): Don't override
515         the version if the overriding symbol has a different name.
516         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
517         all callers.  If we give an error about an undefined version,
518         define the base version if necessary.
519         * dynobj.h (class Versions): Update declaration.
520         * testsuite/weak_alias_test_5.cc: New file.
521         * testsuite/weak_alias_test.script: New file.
522         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
523         and versioned_alias have the right value, and call t2.
524         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
525         weak_alias_test_5.so.
526         (weak_alias_test_LDADD): Likewise.
527         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
528         * testsuite/Makefile.in: Rebuild.
529
530 2011-07-01  Ian Lance Taylor  <iant@google.com>
531
532         PR gold/12525
533         * options.h (class General_options): Support -z notext.
534         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
535         -Wl,-z,notext.
536         (two_file_shared_nonpic.so): Likewise.
537         (two_file_shared_mixed.so): Likewise.
538         (two_file_shared_mixed_1.so): Likewise.
539         (weak_undef_lib_nonpic.so): Likewise.
540         (alt/weak_undef_lib_nonpic.so): Likewise.
541         (tls_test_shared_nonpic.so): Likewise.
542         * testsuite/Makefile.in: Rebuild.
543
544 2011-07-01  Ian Lance Taylor  <iant@google.com>
545
546         PR gold/12525
547         * configure.ac: Test whether static linking works, setting
548         the automake conditional HAVE_STATIC.
549         * testsuite/Makefile.am: Disable tests using -static if
550         HAVE_STATIC is not true.
551         * configure, testsuite/Makefile.in: Rebuild.
552
553 2011-07-01  Ian Lance Taylor  <iant@google.com>
554
555         PR gold/12525
556         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
557         Assert if we see DW_EH_PE_indirect.
558         * target.h (Target::ehframe_datarel_base): New function.
559         (Target::do_ehframe_datarel_base): New target function.
560         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
561         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
562         function.
563
564 2011-07-01  Ian Lance Taylor  <iant@google.com>
565
566         PR gold/12571
567         * options.h (class General_options): Add
568         --ld-generated-unwind-info.
569         * ehframe.cc (Fde::write): Add address parameter.  Change all
570         callers.  If associated with PLT, fill in address and size.
571         (Cie::set_output_offset): Only add merge mapping if there is an
572         object.
573         (Cie::write): Add address parameter.  Change all callers.
574         (Eh_frame::add_ehframe_for_plt): New function.
575         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
576         input_offset_ fields into union u_, with new plt field.
577         (Fde::Fde): Adjust for new union field.
578         (Fde::Fde) [Output_data version]: New constructor.
579         (Fde::add_mapping): Only add merge mapping if there is an object.
580         (class Cie): Update declarations.
581         (class Eh_frame): Declare add_ehframe_for_plt.
582         * layout.cc (Layout::layout_eh_frame): Break out code into
583         make_eh_frame_section, and call it.
584         (Layout::make_eh_frame_section): New function.
585         (Layout::add_eh_frame_for_plt): New function.
586         * layout.h (class Layout): Update declarations.
587         * merge.cc (Merge_map::add_mapping): Add assertion.
588         * i386.cc: Include "dwarf.h".
589         (class Output_data_plt_i386): Make first_plt_entry,
590         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
591         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
592         and plt_eh_frame_fde.
593         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
594         boundary.  Call add_eh_frame_for_plt if appropriate.
595         * x86_64.cc: Include "dwarf.h".
596         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
597         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
598         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
599         and plt_eh_frame_fde.
600         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
601         appropriate.
602
603 2011-06-29  Ian Lance Taylor  <iant@google.com>
604
605         PR gold/12629
606         * object.cc (Sized_relobj_file::layout_section): Change shdr
607         parameter to be const.
608         (Sized_relobj_file::layout_eh_frame_section): New function, broken
609         out of do_layout.
610         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
611         appropriate.  Call layout_eh_frame_section.
612         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
613         sections.
614         * object.h (class Sized_relobj_file): Update declarations.
615
616 2011-06-29  Ian Lance Taylor  <iant@google.com>
617
618         PR gold/12652
619         * script.cc (Token::integer_value): Accept trailing M/m/K/k
620         modifier.
621         (Lex::gather_token): Accept trailing M/m/K/k for integers.
622
623 2011-06-29  Ian Lance Taylor  <iant@google.com>
624
625         PR gold/12675
626         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
627         SHT_X86_64_UNWIND.
628         * layout.cc (Layout::layout_eh_frame): Likewise.
629
630 2011-06-29  Ian Lance Taylor  <iant@google.com>
631
632         PR gold/12695
633         * layout.cc (Layout::symtab_section_shndx): New function.
634         * layout.h (class Layout): Declare symtab_section_shndx.
635         * output.cc (Output_section::write_header): Call it.
636
637 2011-06-29  Ian Lance Taylor  <iant@google.com>
638
639         PR gold/12818
640         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
641         symbols which are not used in a relocation.
642
643 2011-06-28  Ian Lance Taylor  <iant@google.com>
644
645         PR gold/12898
646         * layout.cc (Layout::segment_precedes): Don't crash if a linker
647         script create indistinguishable segments.
648         (Layout::set_segment_offsets): Use stable_sort when sorting
649         segments.  Pass this to Compare_segments constructor.
650         * layout.h (class Layout): Make segment_precedes non-static.
651         (class Compare_segments): Change from struct to class.  Add
652         layout_ field.  Add constructor.
653         * script-sections.cc
654         (Script_sections::attach_sections_using_phdrs_clause): Rename
655         local orphan to is_orphan.  Don't report failure to put empty
656         section in segment.  On attachment failure, report name of
657         section, and attach to first PT_LOAD segment.
658
659 2011-06-28  Ian Lance Taylor  <iant@google.com>
660
661         PR gold/12934
662         * target-select.cc (Target_selector::Target_selector): Add
663         emulation parameter.  Change all callers.
664         (select_target_by_bfd_name): Rename from select_target_by_name.
665         Change all callers.
666         (select_target_by_emulation): New function.
667         (supported_emulation_names): New function.
668         * target-select.h (class Target_selector): Add emulation_ field.
669         Update declarations.
670         (Target_selector::recognize_by_bfd_name): Rename from
671         recognize_by_name.  Change all callers.
672         (Target_selector::supported_bfd_names): Rename from
673         supported_names.  Change all callers.
674         (Target_selector::recognize_by_emulation): New function.
675         (Target_selector::supported_emulations): New function.
676         (Target_selector::emulation): New function.
677         (Target_selector::do_recognize_by_bfd_name): Rename from
678         do_recognize_by_name.  Change all callers.
679         (Target_selector::do_supported_bfd_names): Rename from
680         do_supported_names.  Change all callers.
681         (Target_selector::do_recognize_by_emulation): New function.
682         (Target_selector::do_supported_emulations): New function.
683         (select_target_by_bfd_name): Change name in declaration.
684         (select_target_by_emulation): Declare.
685         (supported_emulation_names): Declare.
686         * parameters.cc (parameters_force_valid_target): Try to find
687         target based on emulation from -m option.
688         * options.h (class General_options): Change doc string for -m.
689         * options.cc (help): Print emulations.
690         (General_options::parse_V): Likewise.
691         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
692         Add emulation parameter.  Change all callers.
693
694 2011-06-28  Ian Lance Taylor  <iant@google.com>
695
696         * target.h (class Target): Add osabi_ field.
697         (Target::osabi): New function.
698         (Target::set_osabi): New function.
699         (Target::Target): Initialize osabi_.
700         (Target::do_adjust_elf_header): Make pure virtual.
701         (Sized_target::do_adjust_elf_header): Declare.
702         * target.cc (Sized_target::do_adjust_elf_header): New function.
703         (class Sized_target): Instantiate all versions.
704         * freebsd.h (class Target_freebsd): Remove.
705         (Target_selector_freebsd::do_recognize): Call set_osabi on
706         Target.
707         (Target_selector_freebsd::do_recognize_by_name): Likewise.
708         (Target_selector_freebsd::set_osabi): Remove.
709         * i386.cc (class Target_i386): Inherit from Sized_target rather
710         than Target_freebsd.
711         * x86_64.cc (class Target_x86_64): Likewise.
712
713 2011-06-28  Ian Lance Taylor  <iant@google.com>
714
715         * target.h (Target::can_check_for_function_pointers): Rewrite.
716         Make non-virtual.
717         (Target::can_icf_inline_merge_sections): Likewise.
718         (Target::section_may_have_icf_unsafe_poineters): Likewise.
719         (Target::Target_info): Add can_icf_inline_merge_sections field.
720         (Target::do_can_check_for_function_pointers): New virtual
721         function.
722         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
723         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
724         from can_check_for_function_pointers, move in file.
725         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
726         section_may_have_icf_unsafe_poineters, move in file.
727         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
728         * i386.cc (Target_i386::do_can_check_for_function_pointers):
729         Rename from can_check_for_function_pointers, move in file.
730         (Target_i386::can_icf_inline_merge_sections): Remove.
731         (Target_i386::i386_info): Initialize
732         can_icf_inline_merge_sections.
733         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
734         Initialize can_icf_inline_merge_sections.
735         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
736         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
737         Rename from can_check_for_function_pointers, move in file.
738         (Target_x86_64::can_icf_inline_merge_sections): Remove.
739         (Target_x86_64::x86_64_info): Initialize
740         can_icf_inline_merge_sections.
741         * testsuite/testfile.cc (Target_test::test_target_info):
742         Likewise.
743         * icf.cc (get_section_contents): Correct formatting.
744
745 2011-06-27  Ian Lance Taylor  <iant@google.com>
746
747         * symtab.cc (Symbol::versioned_name): New function.
748         (Symbol_table::add_to_final_symtab): Use versioned_name when
749         appropriate.
750         (Symbol_table::sized_write_symbol): Likewise.
751         * symtab.h (class Symbol): Declare versioned_name.
752         * stringpool.h (class Stringpool_template): Add variant of add
753         which takes a std::basic_string.
754         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
755         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
756         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
757         (ver_test_12.o): New target.
758         * testsuite/Makefile.in: Rebuild.
759
760 2011-06-27  Doug Kwan  <dougkwan@google.com>
761
762         * arm.cc (Arm_relocate_functions::thm_jump8,
763         Arm_relocate_functions::thm_jump11): Use a wider signed
764         type to compute offset.
765         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
766         arm_thm_jump8.
767         * testsuite/Makefile.in: Regenerate.
768         * testsuite/arm_branch_in_range.sh: Check test results of
769         arm_thm_jump11 and arm_thm_jump8.
770         * testsuite/arm_thm_jump11.s: New test source file.
771         * testsuite/arm_thm_jump11.t: New linker script.
772         * testsuite/arm_thm_jump8.s: New test source file.
773         * testsuite/arm_thm_jump8.t: New linker script.
774
775 2011-06-24  Ian Lance Taylor  <iant@google.com>
776
777         * layout.cc: Include "object.h".
778         (ctors_sections_in_init_array): New static variable.
779         (Layout::is_ctors_in_init_array): New function.
780         (Layout::layout): Add entry to ctors_sections_in_init_array if
781         appropriate.
782         * layout.h (class Layout): Declare is_ctors_in_init_array.
783         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
784         is_ctors_reverse_view is set.
785         (Sized_relobj_file::write_sections): Add layout parameter.  Change
786         all callers.  Set is_ctors_reverse_view field of View_size.
787         (Sized_relobj_file::reverse_words): New function.
788         * object.h (Sized_relobj_file::View_size): Add
789         is_ctors_reverse_view field.
790         (class Sized_relobj_file): Update declarations.
791         * testsuite/initpri3.c: New test.
792         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
793         initpri3b.
794         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
795         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
796         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
797         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
798         * testsuite/Makefile.in: Rebuild.
799
800 2011-06-24  Cary Coutant  <ccoutant@google.com>
801
802         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
803         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
804         (debug_msg_cdebug.err): New targets.
805         * testsuite/Makefile.in: Regenerate.
806         * testsuite/debug_msg.sh: Check output of link with compressed debug.
807         Fix checks for link with shared library.
808
809 2011-06-24  Doug Kwan  <dougkwan@google.com>
810
811         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
812         skip empty text sections.
813         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
814
815 2011-06-22  Ian Lance Taylor  <iant@google.com>
816
817         PR gold/12910
818         * options.h (class General_options): Add --ctors-in-init-array.
819         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
820         friends as SHT_PROGBITS for merging sections.
821         (Layout::layout): Remove special handling of .init_array and
822         friends.  Don't sort if doing relocatable link.  Sort for .ctors
823         and .dtors if ctors_in_init_array.
824         (Layout::make_output_section): Force correct section types for
825         .init_array and friends.  Don't sort if doing relocatable link,
826         Don't sort .ctors and .dtors if ctors_in_init_array.
827         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
828         (Layout::output_section_name): Add relobj parameter.  Change all
829         callers.  Handle .ctors. and .dtors. in code rather than table.
830         Handle .ctors and .dtors if ctors_in_init_array.
831         (Layout::match_file_name): New function, moved from output.cc.
832         * layout.h (class Layout): Update declarations.
833         * output.cc: Include "layout.h".
834         (Input_section_sort_entry::get_priority): New function.
835         (Input_section_sort_entry::match_file_name): Just call
836         Layout::match_file_name.
837         (Output_section::Input_section_sort_init_fini_compare::operator()):
838         Handle .ctors and .dtors.  Sort by explicit priority rather than
839         by name.
840         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
841         * testsuite/initpri2.c: New test.
842         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
843         (check_PROGRAMS): Add initpri2.
844         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
845         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
846         * configure, testsuite/Makefile.in: Rebuild.
847
848 2011-06-19  Ian Lance Taylor  <iant@google.com>
849
850         PR gold/12880
851         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
852         .interp section to a PT_INTERP segment even if we have seen a
853         --dynamic-linker option.  Don't do it if we have seen a PHDRS
854         clause in a linker script.
855         (Layout::finalize): Don't create a .interp section if we've
856         already create a PT_INTERP segment.
857         (Layout::create_interp): Always call choose_output_section (revert
858         patch of 2011-06-17).  Don't create PT_INTERP segment.
859         * script-sections.cc
860         (Script_sections::create_note_and_tls_segments): Add a .interp
861         section to a PT_INTERP segment even if we have seen a
862         --dynamic-linker option.
863
864 2011-06-18  Ian Lance Taylor  <iant@google.com>
865
866         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
867         merely because a non-PT_LOAD segment has a dynamic reloc.
868
869 2011-06-18  Ian Lance Taylor  <iant@google.com>
870
871         * layout.cc (Layout::finish_dynamic_section): Don't create
872         DT_FLAGS entry if not needed.
873
874 2011-06-18  Ian Lance Taylor  <iant@google.com>
875
876         PR gold/12745
877         * layout.cc (Layout::layout_eh_frame): Correct handling of
878         writable .eh_frame section.
879
880 2011-06-17  Ian Lance Taylor  <iant@google.com>
881
882         PR gold/12893
883         * resolve.cc (Symbol_table::resolve): Don't give an error if a
884         symbol is redefined with the exact same object and value.
885
886 2011-06-17  Ian Lance Taylor  <iant@google.com>
887
888         PR gold/12880
889         * layout.h (class Layout): Add interp_segment_ field.
890         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
891         (Layout::attach_allocated_section_to_segment): If making shared
892         library, put .interp section in PT_INTERP segment.
893         (Layout::finalize): Also call create_interp if -dynamic-linker
894         option was used.
895         (Layout::create_interp): Assert that there is no PT_INTERP
896         segment.  If not using a SECTIONS clause, use make_output_section.
897         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
898         * script-sections.cc
899         (Script_sections::create_note_and_tls_segments): If making shared
900         library, put .interp section in PT_INTERP segment.
901
902 2011-06-17  Ian Lance Taylor  <iant@google.com>
903
904         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
905         when making a shared library.
906
907 2011-06-17  Ian Lance Taylor  <iant@google.com>
908
909         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
910         parameter.  Change all callers.  Don't issue warning about PC32
911         against locally defined symbol.
912
913 2011-06-16  Ian Lance Taylor  <iant@google.com>
914
915         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
916         occurs in same object.
917
918 2011-06-14  Alan Modra  <amodra@gmail.com>
919
920         * po/POTFILES.in: Regenerate.
921
922 2011-06-09  Ian Lance Taylor  <iant@google.com>
923
924         * script-sections.cc
925         (Orphan_output_section::set_section_addresses): For a relocatable
926         link set address to 0.
927
928 2011-06-09  Cary Coutant  <ccoutant@google.com>
929
930         PR gold/12804
931         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
932         used with --compress-debug-sections.
933         * gold/object.cc (Sized_relobj_file::do_layout): Report
934         uncompressed size of compressed input sections.
935
936 2011-06-08  Cary Coutant  <ccoutant@google.com>
937
938         PR gold/12804
939         * testsuite/two_file_test_2_v1.cc: Change initialization of
940         v2 to keep it in .data.
941
942 2011-06-07  Cary Coutant  <ccoutant@google.com>
943
944         * common.cc (Symbol_table::do_allocate_commons_list): Call
945         gold_fallback.
946         * errors.cc (Errors::fatal): Adjust call to gold_exit.
947         (Errors::fallback): New function.
948         (gold_fallback): New function.
949         * errors.h (Errors::fallback): New function.
950         * gold.cc (gold_exit): Change status parameter to enum; adjust
951         all callers.
952         (queue_initial_tasks): Call gold_fallback.
953         * gold.h: Include cstdlib.
954         (Exit_status): New enum type.
955         (gold_exit): Change status parameter to enum.
956         (gold_fallback): New function.
957         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
958         (Layout::create_symtab_sections): Likewise.
959         (Layout::create_shdrs): Likewise.
960         * main.cc (main): Adjust call to gold_exit.
961         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
962         (Output_data_got::add_got_entry_pair): Likewise.
963         (Output_section::add_input_section): Likewise.
964         (Output_section::add_output_section_data): Likewise.
965         (Output_segment::set_section_list_addresses): Likewise.
966         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
967
968 2011-06-07  Cary Coutant  <ccoutant@google.com>
969
970         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
971         for incremental links.
972         * output.cc (Output_segment::set_section_list_addresses): Remove
973         FIXME and test for TLS or BSS.
974
975 2011-06-07  Cary Coutant  <ccoutant@google.com>
976
977         * testsuite/Makefile.am: Add incremental_copy_test,
978         incremental_common_test_1.
979         * testsuite/Makefile.in: Regenerate.
980         * testsuite/common_test_1_v1.c: New source file.
981         * testsuite/common_test_1_v2.c: New source file.
982         * testsuite/copy_test_v1.cc: New source file.
983
984 2011-06-07  Cary Coutant  <ccoutant@google.com>
985
986         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
987         update, allocate common from bss section's free list.
988         * incremental-dump.cc (dump_incremental_inputs): Print flag for
989         linker-defined symbols.
990         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
991         Skip GOT and PLT entries that are no longer referenced.
992         (Output_section_incremental_inputs::write_info_blocks): Mark
993         linker-defined symbols.
994         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
995         * output.cc (Output_section::allocate): New function.
996         * output.h (Output_section::allocate): New function.
997         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
998         linker-defined symbols.
999         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1000         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1001         (Symbol::init_base_output_data): Likewise.
1002         (Symbol::init_base_output_segment): Likewise.
1003         (Symbol::init_base_constant): Likewise.
1004         (Sized_symbol::init_output_data): Likewise.
1005         (Sized_symbol::init_output_segment): Likewise.
1006         (Sized_symbol::init_constant): Likewise.
1007         (Symbol_table::do_define_in_output_data): Likewise.
1008         (Symbol_table::do_define_in_output_segment): Likewise.
1009         (Symbol_table::do_define_as_constant): Likewise.
1010         * symtab.h (Symbol::is_predefined): New function.
1011         (Symbol::init_base_output_data): Add is_predefined parameter.
1012         (Symbol::init_base_output_segment): Likewise.
1013         (Symbol::init_base_constant): Likewise.
1014         (Symbol::is_predefined_): New data member.
1015         (Sized_symbol::init_output_data): Add is_predefined parameter.
1016         (Sized_symbol::init_output_segment): Likewise.
1017         (Sized_symbol::init_constant): Likewise.
1018         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1019
1020 2011-06-07  Cary Coutant  <ccoutant@google.com>
1021
1022         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1023         instead of emit_copy_reloc.
1024         (Copy_relocs::emit_copy_reloc): Refactor.
1025         (Copy_relocs::make_copy_reloc): New function.
1026         (Copy_relocs::add_copy_reloc): Remove.
1027         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1028         section.
1029         (Copy_relocs::make_copy_reloc): New function.
1030         (Copy_relocs::add_copy_reloc): Remove.
1031         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1032         unchanged input files.
1033         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1034         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1035         Reserve BSS space for COPY relocations.
1036         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1037         (Output_section_incremental_inputs::write_info_blocks): Record
1038         whether a symbol is copied from a shared object.
1039         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1040         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1041         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1042         (Incremental_input_entry_reader::get_output_symbol_index): Add
1043         is_copy parameter.
1044         (Incremental_binary::emit_copy_relocs): New function.
1045         (Incremental_binary::do_emit_copy_relocs): New function.
1046         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1047         new data member.
1048         (Sized_incremental_binary::add_copy_reloc): New function.
1049         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1050         (Sized_incremental_binary::Copy_reloc): New struct.
1051         (Sized_incremental_binary::Copy_relocs): New typedef.
1052         (Sized_incremental_binary::copy_relocs_): New data member.
1053         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1054         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1055         * target.h (Sized_target::emit_copy_reloc): New function.
1056         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1057
1058 2011-06-02  Cary Coutant  <ccoutant@google.com>
1059
1060         PR gold/12163
1061         * gold/archive.cc (Archive::Archive): Initialize new data member.
1062         (Archive::include_all_members): Return if archive has already been
1063         included.
1064         * gold/archive.h (Archive::include_all_members_): New data member.
1065
1066 2011-06-02  Nick Clifton  <nickc@redhat.com>
1067
1068         * dynobj.h: Fix spelling mistake in comment.
1069         * output.cc: Likewise.
1070
1071 2011-05-31  Doug Kwan  <dougkwan@google.com>
1072             Asier Llano
1073
1074         PR gold/12826
1075         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1076         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1077         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1078         redundant arm_exidx_test.so.
1079         * testsuite/Makefile.in: Regenerate.
1080         (check_SCRIPTS): Add pr12826.sh
1081         (check_DATA): Add pr12826.stdout
1082         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1083         * testsuite/pr12826.sh: New file.
1084         * testsuite/pr12826_1.s: Ditto.
1085         * testsuite/pr12826_1.s: Ditto.
1086
1087 2011-05-30  Ian Lance Taylor  <iant@google.com>
1088
1089         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1090         sections.
1091
1092 2011-05-29  Ian Lance Taylor  <iant@google.com>
1093
1094         PR gold/12804
1095         * testsuite/Makefile.am: Use different file name for two_file_test
1096         temporary file for each incremental test.
1097         * testsuite/Makefile.in: Rebuild.
1098
1099 2011-05-29  Ian Lance Taylor  <iant@google.com>
1100
1101         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1102         binary input file is empty.
1103
1104 2011-05-27  Ian Lance Taylor  <iant@google.com>
1105
1106         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1107         (ver_test_9.so): Likewise.
1108         * testsuite/Makefile.in: Rebuild.
1109
1110 2011-05-26 Cary Coutant  <ccoutant@google.com>
1111
1112         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1113         * incremental.cc (Incremental_inputs::report_input_section): Fix
1114         comment, indentation.
1115         (Incremental_inputs::report_comdat_group): New function.
1116         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1117         of data for incremental input file entry.
1118         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1119         group count, COMDAT group signatures.
1120         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1121         an unchanged input file.
1122         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1123         Initialize new data member.
1124         (Incremental_object_entry::add_comdat_group): New function.
1125         (Incremental_object_entry::get_comdat_group_count): New function.
1126         (Incremental_object_entry::get_comdat_signature_key): New function.
1127         (Incremental_object_entry::groups_): New data member.
1128         (Incremental_inputs::report_comdat_group): New function.
1129         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1130         data for incremental input file entry.
1131         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1132         (Incremental_input_entry_reader::get_input_section): Adjust size of
1133         data for incremental input file entry.
1134         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1135         (Incremental_input_entry_reader::get_comdat_group_signature): New
1136         function.
1137         * object.cc (Sized_relobj::include_section_group): Report kept
1138         COMDAT groups for incremental links.
1139
1140 2011-05-24  David Meyer  <pdox@google.com>
1141
1142         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1143         with name parameter.  Add found_name parameter.
1144         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1145         * dirsearch.h (class Dirsearch): Update declaration.
1146
1147 2011-05-24  Ian Lance Taylor  <iant@google.com>
1148
1149         * archive.cc (Library_base::should_include_member): Pull in object
1150         from archive if it defines the entry symbol.
1151         * parameters.cc (Parameters::entry): New function.
1152         * parameters.h (class Parameters): Declare entry.
1153         * output.h (class Output_file_header): Remove entry_ field.
1154         * output.cc (Output_file_header::Output_file_header): Remove entry
1155         parameter.  Change all callers.
1156         (Output_file_header::entry): Use parameters->entry.
1157         * gold.cc (queue_middle_tasks): Likewise.
1158         * plugin.cc (Plugin_hook::run): Likewise.
1159
1160 2011-05-24 Cary Coutant  <ccoutant@google.com>
1161
1162         * gold.cc (queue_initial_tasks): Pass incremental base filename
1163         to Output_file::open_base_file; don't print error message.
1164         * incremental-dump.cc (main): Adjust call to
1165         Output_file::open_for_modification.
1166         * incremental-dump.cc (main): Likewise.
1167         * incremental.cc (Incremental_inputs::report_command_line):
1168         Ignore --incremental-base option when comparing command lines.
1169         Ignore parameter when given as separate argument.
1170         * options.h (class General_options): Add --incremental-base.
1171         * output.cc (Output_file::Output_file):
1172         (Output_file::open_base_file): Add base_name and writable parameters;
1173         read base file into new file; print error message here.
1174         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1175         callers.
1176         * output.h (Output_file::open_for_modification): Rename to...
1177         (Output_file::open_base_file): ...this; add base_name and
1178         writable parameters; adjust all callers.
1179         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1180         callers.
1181         * testsuite/Makefile.am (incremental_test_4): Test
1182         --incremental-base.
1183         * testsuite/Makefile.in: Regenerate.
1184
1185 2011-05-24 Cary Coutant  <ccoutant@google.com>
1186
1187         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1188         incremental_test_4.
1189         * testsuite/Makefile.in: Regenerate.
1190         * testsuite/two_file_test_1_v1.cc: New test source file.
1191         * testsuite/two_file_test_1b_v1.cc: New test source file.
1192         * testsuite/two_file_test_2_v1.cc: New test source file.
1193
1194 2011-05-24 Cary Coutant  <ccoutant@google.com>
1195
1196         * dynobj.h (Dynobj::do_dynobj): New function.
1197         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1198         flag and soname for shared objects.
1199         * incremental.cc (Incremental_inputs::report_object): Make
1200         either Incremental_object_entry or Incremental_dynobj_entry; add
1201         soname to string table.
1202         (Incremental_inputs::report_input_section): Add assertion.
1203         (Output_section_incremental_inputs::set_final_data_size): Adjust
1204         type of input file entry for shared libraries; adjust size of
1205         shared library info entry.
1206         (Output_section_incremental_inputs::write_input_files): Write
1207         as_needed flag for shared libraries.
1208         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1209         of input file entry for shared libraries; write soname.
1210         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1211         soname from incremental info.
1212         * incremental.h (enum Incremental_input_flags): Add
1213         INCREMENTAL_INPUT_AS_NEEDED.
1214         (Incremental_input_entry::Incremental_input_entry): Initialize new
1215         data member.
1216         (Incremental_input_entry::set_as_needed): New function.
1217         (Incremental_input_entry::as_needed): New function.
1218         (Incremental_input_entry::do_dynobj_entry): New function.
1219         (Incremental_input_entry::as_needed_): New data member.
1220         (Incremental_object_entry::Incremental_object_entry): Don't check
1221         for shared library.
1222         (Incremental_object_entry::do_type): Likewise.
1223         (class Incremental_dynobj_entry): New class.
1224         (Incremental_input_entry_reader::as_needed): New function.
1225         (Incremental_input_entry_reader::get_soname): New function.
1226         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1227         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1228         size of shared library info entry.
1229         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1230         incremental link when adding DT_NEEDED entries.
1231         * object.h (Object::Object): Initialize new data member.
1232         (Object::dynobj): New function.
1233         (Object::set_as_needed): New function.
1234         (Object::as_needed): New function.
1235         (Object::do_dynobj): New function.
1236         (Object::as_needed_): New data member.
1237
1238 2011-05-24 Cary Coutant  <ccoutant@google.com>
1239
1240         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1241         info; adjust display of GOT entries.
1242         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1243         vector of input objects; remove file_status_.
1244         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1245         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1246         got_plt reader; call target hooks to reserve GOT entries.
1247         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1248         of input file info header and GOT info entry.
1249         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1250         relocation info.
1251         (Got_plt_view_info::got_descriptor): Remove.
1252         (Got_plt_view_info::sym_index): New data member.
1253         (Got_plt_view_info::input_index): New data member.
1254         (Local_got_offset_visitor::visit): Write input file index.
1255         (Global_got_offset_visitor::visit): Write 0 for input file index.
1256         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1257         with sym_index and input_index.
1258         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1259         incremental info GOT entry; replace got_descriptor with input_index.
1260         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1261         map from input file index to object.
1262         (Sized_relobj_incr::do_layout): Replace direct data member reference
1263         with accessor function.
1264         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1265         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1266         Adjust size of input file info header.
1267         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1268         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1269         (Incremental_input_entry_reader::get_input_section): Adjust size of
1270         input file info header.
1271         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1272         of incremental info GOT entry.
1273         (Incremental_got_plt_reader::get_got_desc): Remove.
1274         (Incremental_got_plt_reader::get_got_symndx): New function.
1275         (Incremental_got_plt_reader::get_got_input_index): New function.
1276         (Sized_incremental_binary::Sized_incremental_binary): Remove
1277         file_status_; add input_objects_.
1278         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1279         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1280         (Sized_incremental_binary::file_is_unchanged): Remove.
1281         (Sized_incremental_binary::set_input_object): New function.
1282         (Sized_incremental_binary::input_object): New function.
1283         (Sized_incremental_binary::file_status_): Remove.
1284         (Sized_incremental_binary::input_objects_): New data member.
1285         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1286         references.
1287         (Sized_relobj_incr::invalid_address): Move to base class.
1288         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1289         class.
1290         (Sized_relobj_incr::do_output_section_offset): Likewise.
1291         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1292         (Sized_relobj_incr::section_offsets_): Likewise.
1293         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1294         function.
1295         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1296         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1297         with accessor function.
1298         (Sized_relobj_file::do_layout): Likewise.
1299         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1300         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1301         (Sized_relobj_file::compute_final_local_value): Replace refs to
1302         section_offsets_ with accessor function.
1303         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1304         * object.h (Relobj::Relobj): Initialize new data members.
1305         (Relobj::add_dyn_reloc): New function.
1306         (Relobj::first_dyn_reloc): New function.
1307         (Relobj::dyn_reloc_count): New function.
1308         (Relobj::first_dyn_reloc_): New data member.
1309         (Relobj::dyn_reloc_count_): New data member.
1310         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1311         references.
1312         (Sized_relobj::Address): New typedef.
1313         (Sized_relobj::invalid_address): Move here from child class.
1314         (Sized_relobj::Sized_relobj): Initialize new data members.
1315         (Sized_relobj::sized_relobj): New function.
1316         (Sized_relobj::is_output_section_offset_invalid): Move here from
1317         child class.
1318         (Sized_relobj::get_output_section_offset): Likewise.
1319         (Sized_relobj::local_has_got_offset): Likewise.
1320         (Sized_relobj::local_got_offset): Likewise.
1321         (Sized_relobj::set_local_got_offset): Likewise.
1322         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1323         (Sized_relobj::clear_got_offsets): New function.
1324         (Sized_relobj::section_offsets): Move here from child class.
1325         (Sized_relobj::do_output_section_offset): Likewise.
1326         (Sized_relobj::do_set_section_offset): Likewise.
1327         (Sized_relobj::Local_got_offsets): Likewise.
1328         (Sized_relobj::local_got_offsets_): Likewise.
1329         (Sized_relobj::section_offsets_): Likewise.
1330         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1331         references.
1332         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1333         class.
1334         (Sized_relobj_file::sized_relobj): New function
1335         (Sized_relobj_file::local_has_got_offset): Move to base class.
1336         (Sized_relobj_file::local_got_offset): Likewise.
1337         (Sized_relobj_file::set_local_got_offset): Likewise.
1338         (Sized_relobj_file::get_output_section_offset): Likewise.
1339         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1340         (Sized_relobj_file::do_output_section_offset): Likewise.
1341         (Sized_relobj_file::do_set_section_offset): Likewise.
1342         (Sized_relobj_file::Local_got_offsets): Likewise.
1343         (Sized_relobj_file::local_got_offsets_): Likewise.
1344         (Sized_relobj_file::section_offsets_): Likewise.
1345         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1346         (all constructors).
1347         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1348         (Output_reloc::get_symbol_index): Likewise.
1349         (Output_reloc::local_section_offset): Likewise.
1350         (Output_reloc::get_address): Likewise.
1351         (Output_reloc::symbol_value): Likewise.
1352         (Output_data_got::reserve_slot): Move to class definition.
1353         (Output_data_got::reserve_local): New function.
1354         (Output_data_got::reserve_slot_for_global): Remove.
1355         (Output_data_got::reserve_global): New function.
1356         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1357         (all constructors, two instantiations).
1358         (Output_reloc::get_relobj): New function (two instantiations).
1359         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1360         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1361         (Output_data_reloc::add_global): Adjust type of relobj.
1362         (Output_data_reloc::add_global_relative): Likewise.
1363         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1364         (Output_data_reloc::add_local): Likewise.
1365         (Output_data_reloc::add_local_relative): Likewise.
1366         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1367         (Output_data_reloc::add_local_section): Likewise.
1368         (Output_data_reloc::add_output_section): Likewise.
1369         (Output_data_reloc::add_absolute): Likewise.
1370         (Output_data_reloc::add_target_specific): Likewise.
1371         (Output_data_got::reserve_slot): Move definition here.
1372         (Output_data_got::reserve_local): New function.
1373         (Output_data_got::reserve_global): New function.
1374         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1375         section_offsets_ with accessor function.
1376         (Sized_relobj_file::write_sections): Likewise.
1377         (Sized_relobj_file::do_relocate_sections): Likewise.
1378         * target.h (Sized_target::reserve_local_got_entry): New function.
1379         (Sized_target::reserve_global_got_entry): New function.
1380         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1381         (Target_x86_64::reserve_global_got_entry): New function.
1382         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1383
1384 2011-05-23 Cary Coutant  <ccoutant@google.com>
1385
1386         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1387         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1388         bit when checking got_type.
1389         * incremental.cc (Sized_incremental_binary::setup_readers):
1390         Store symbol table and string table locations; initialize bit vector
1391         of file status flags.
1392         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1393         unchanged files.
1394         (Sized_incremental_binary::do_process_got_plt): New function.
1395         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1396         (Output_section_incremental_inputs::set_final_data_size): Record
1397         file index for each input file.
1398         (Output_section_incremental_inputs::write_got_plt): Store file index
1399         instead of input entry offset for each GOT entry.
1400         * incremental.h
1401         (Incremental_input_entry::Incremental_input_entry): Initialize new
1402         data member.
1403         (Incremental_input_entry::set_offset): Store file index.
1404         (Incremental_input_entry::get_file_index): New function.
1405         (Incremental_input_entry::file_index_): New data member.
1406         (Incremental_binary::process_got_plt): New function.
1407         (Incremental_binary::do_process_got_plt): New function.
1408         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1409         data members.
1410         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1411         (Sized_incremental_binary::set_file_is_unchanged): New function.
1412         (Sized_incremental_binary::file_is_unchanged): New function.
1413         (Sized_incremental_binary::do_process_got_plt): New function.
1414         (Sized_incremental_binary::file_status_): New data member.
1415         (Sized_incremental_binary::main_symtab_loc_): New data member.
1416         (Sized_incremental_binary::main_strtab_loc_): New data member.
1417         * output.cc (Output_data_got::Got_entry::write): Add case
1418         RESERVED_CODE.
1419         (Output_data_got::add_global): Call add_got_entry.
1420         (Output_data_got::add_global_plt): Likewise.
1421         (Output_data_got::add_global_with_rel): Likewise.
1422         (Output_data_got::add_global_with_rela): Likewise.
1423         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1424         (Output_data_got::add_global_pair_with_rela): Likewise.
1425         (Output_data_got::add_local): Call add_got_entry.
1426         (Output_data_got::add_local_plt): Likewise.
1427         (Output_data_got::add_local_with_rel): Likewise.
1428         (Output_data_got::add_local_with_rela): Likewise.
1429         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1430         (Output_data_got::add_local_pair_with_rela): Likewise.
1431         (Output_data_got::reserve_slot): New function.
1432         (Output_data_got::reserve_slot_for_global): New function.
1433         (Output_data_got::add_got_entry): New function.
1434         (Output_data_got::add_got_entry_pair): New function.
1435         (Output_section::add_output_section_data): Edit FIXME.
1436         * output.h
1437         (Output_section_data_build::Output_section_data_build): New
1438         constructor with size parameter.
1439         (Output_data_space::Output_data_space): Likewise.
1440         (Output_data_got::Output_data_got): Initialize new data member; new
1441         constructor with size parameter.
1442         (Output_data_got::add_constant): Call add_got_entry.
1443         (Output_data_got::reserve_slot): New function.
1444         (Output_data_got::reserve_slot_for_global): New function.
1445         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1446         (Output_data_got::add_got_entry): New function.
1447         (Output_data_got::add_got_entry_pair): New function.
1448         (Output_data_got::free_list_): New data member.
1449         * target.h (Sized_target::init_got_plt_for_update): New function.
1450         (Sized_target::register_global_plt_entry): New function.
1451         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1452         Initialize new data member; call init; add constructor with PLT count.
1453         (Output_data_plt_x86_64::init): New function.
1454         (Output_data_plt_x86_64::add_relocation): New function.
1455         (Output_data_plt_x86_64::reserve_slot): New function.
1456         (Output_data_plt_x86_64::free_list_): New data member.
1457         (Target_x86_64::init_got_plt_for_update): New function.
1458         (Target_x86_64::register_global_plt_entry): New function.
1459         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1460         incremental updates.
1461         (Output_data_plt_x86_64::add_relocation): New function.
1462         * testsuite/object_unittest.cc (Object_test): Set default options.
1463
1464 2011-05-16  Ian Lance Taylor  <iant@google.com>
1465
1466         * options.h (class General_options): Make -i a synonym for -r.
1467
1468 2011-05-16  Ian Lance Taylor  <iant@google.com>
1469
1470         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1471
1472 2011-05-10 Cary Coutant  <ccoutant@google.com>
1473
1474         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1475         strip_all (-s).
1476
1477 2011-05-06  Ian Lance Taylor  <iant@google.com>
1478
1479         * layout.cc (Layout::layout): If the output section flags change,
1480         update the ordering.
1481
1482 2011-04-25 Cary Coutant  <ccoutant@google.com>
1483
1484         * incremental-dump.cc (dump_incremental_inputs): Print local
1485         symbol info for each input file.
1486         * incremental.cc
1487         (Output_section_incremental_inputs::set_final_data_size): Add local
1488         symbol info to input file entries in incremental info.
1489         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1490         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1491         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1492         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1493         implementation.
1494         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1495         (Sized_incr_relobj::do_relocate): Write the local symbols.
1496         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1497         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1498         Adjust size of input file header.
1499         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1500         (Incremental_inputs_reader::get_local_symbol_count): New function.
1501         (Incremental_inputs_reader::get_input_section): Adjust size of input
1502         file header.
1503         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1504         (Sized_incr_relobj::This): New typedef.
1505         (Sized_incr_relobj::sym_size): New const data member.
1506         (Sized_incr_relobj::Local_symbol): New struct.
1507         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1508         (Sized_incr_relobj::do_local_symbol_offset): New function.
1509         (Sized_incr_relobj::local_symbol_count_): New data member.
1510         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1511         (Sized_incr_relobj::local_symbol_index_): New data member.
1512         (Sized_incr_relobj::local_symbol_offset_): New data member.
1513         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1514         (Sized_incr_relobj::local_symbols_): New data member.
1515         * object.h (Relobj::output_local_symbol_count): New function.
1516         (Relobj::local_symbol_offset): New function.
1517         (Relobj::do_output_local_symbol_count): New function.
1518         (Relobj::do_local_symbol_offset): New function.
1519         (Sized_relobj::do_output_local_symbol_count): New function.
1520         (Sized_relobj::do_local_symbol_offset): New function.
1521
1522 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1523
1524         * descriptors.cc (set_close_on_exec): New function.
1525         (Descriptors::open): Use set_close_on_exec.
1526         * output.cc (S_ISLNK): Define if not defined.
1527
1528 2011-04-22 Cary Coutant  <ccoutant@google.com>
1529
1530         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1531         global symbol map.
1532         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1533         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1534         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1535         relocations.
1536         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1537         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1538         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1539         * incremental.h
1540         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1541         function.
1542         (Incremental_binary::apply_incremental_relocs): New function.
1543         (Incremental_binary::do_apply_incremental_relocs): New function.
1544         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1545         data member.
1546         (Sized_incremental_binary::add_global_symbol): New function.
1547         (Sized_incremental_binary::global_symbol): New function.
1548         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1549         (Sized_incremental_binary::symbol_map_): New data member.
1550         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1551         * target.h (Sized_target::apply_relocation): New function.
1552         * target-reloc.h (apply_relocation): New function.
1553         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1554
1555 2011-04-22  Doug Kwan  <dougkwan@google.com>
1556
1557         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1558         flag of a SHT_ARM_EXIDX section.
1559         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1560         * testsuite/Makefile.in: Regenerate.
1561         * testsuite/arm_exidx_test.s: New file.
1562         * testsuite/arm_exidx_test.sh: Same.
1563
1564 2011-04-20 Cary Coutant  <ccoutant@google.com>
1565
1566         PR gold/12689
1567         * archive.h (Incremental_archive_entry::Archive_member):
1568         Initialize arg_serial_ (second constructor).
1569
1570 2011-04-17  Ian Lance Taylor  <iant@google.com>
1571
1572         * object.cc (Relocate_info::location): Simplify location string.
1573         * errors.cc (Errors::error_at_location): Don't print program
1574         name.
1575         (Errors::warning_at_location): Likewise.
1576         (Errors::undefined_symbol): Likewise.
1577         * testsuite/debug_msg.sh: Update accordingly.
1578
1579 2011-04-14 Cary Coutant  <ccoutant@google.com>
1580
1581         * gold/layout.cc (Layout::symtab_section_offset): New function.
1582         * gold/layout.h (Layout::symtab_section_offset): New function.
1583         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1584
1585 2011-04-12  Ian Lance Taylor  <iant@google.com>
1586
1587         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1588         with MREMAP_MAYMOVE.
1589         * output.h (class Output_file): Add map_is_allocated_ field.
1590         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1591         not available, provide stubs.  If mremap is not available, #define
1592         it to gold_mremap.
1593         (MREMAP_MAYMOVE): Define if not defined.
1594         (Output_file::Output_file): Initialize map_is_allocated_.
1595         (Output_file::resize): Check map_is_allocated_.
1596         (Output_file::map_anonymous): If mmap fails, use malloc.
1597         (Output_file::unmap): Don't do anything for an anonymous map.
1598         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1599         is not available, provide stubs.
1600         (File_read::View::~View): Use free rather than delete[].
1601         (File_read::make_view): Use malloc rather than new[].  If mmap
1602         fails, use malloc.
1603         (File_read::find_or_make_view): Use malloc rather than new[].
1604         * gold.h: Remove HAVE_REMAP code.
1605         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1606         exists.  Rename mremap to gold_mremap.  If mmap is not available
1607         don't do anything.
1608         * configure, config.in: Rebuild.
1609
1610 2011-04-11  Ian Lance Taylor  <iant@google.com>
1611
1612         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1613         initialize local variable v.
1614
1615 2011-04-11  Cary Coutant  <ccoutant@google.com>
1616
1617         * archive.cc (Archive::include_member): Adjust call to
1618         report_object.
1619         (Add_archive_symbols::run): Track argument serial numbers.
1620         (Lib_group::include_member): Likewise.
1621         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1622         * archive.h (Incremental_archive_entry::Archive_member):
1623         Initialize arg_serial_.
1624         (Archive_member::arg_serial_): New data member.
1625         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1626         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1627         incremental link.
1628         (Sized_dynobj::do_for_all_local_got_entries): New function.
1629         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1630         function.
1631         * fileread.cc (get_mtime): New function.
1632         * fileread.h (get_mtime): New function.
1633         * gold.cc (queue_initial_tasks): Check for incremental update.
1634         (process_incremental_input): New function.
1635         (queue_middle_tasks): Don't force valid target for incremental
1636         update.
1637         * incremental-dump.cc (find_input_containing_global): Adjust
1638         size of symbol info entry.
1639         (dump_incremental_inputs): Dump argument serial number and
1640         in_system_directory flag; bias shndx by 1; print symbol names
1641         when dumping per-file symbol lists; use new symbol info readers.
1642         * incremental.cc
1643         (Output_section_incremental_inputs:update_data_size): New function.
1644         (Sized_incremental_binary::setup_readers): Setup input readers
1645         for each input file; build maps for files added from libraries
1646         and scripts.
1647         (Sized_incremental_binary::check_input_args): New function.
1648         (Sized_incremental_binary::do_check_inputs): Build map of argument
1649         serial numbers to input arguments.
1650         (Sized_incremental_binary::do_file_has_changed): Rename
1651         do_file_is_unchanged to this; compare file modification times.
1652         (Sized_incremental_binary::do_init_layout): New function.
1653         (Sized_incremental_binary::do_reserve_layout): New function.
1654         (Sized_incremental_binary::do_get_input_reader): Remove.
1655         (Sized_incremental_binary::get_symtab_view): New function.
1656         (Incremental_checker::can_incrementally_link_output_file): Remove.
1657         (Incremental_inputs::report_command_line): Exclude --debug options.
1658         (Incremental_inputs::report_archive_begin): Add parameter; track
1659         argument serial numbers; don't put input file entry for archive
1660         before archive members.
1661         (Incremental_inputs::report_archive_end): Put input file entry
1662         for archive after archive members.
1663         (Incremental_inputs::report_object): Add parameter; track argument
1664         serial numbers and in_system_directory flag.
1665         (Incremental_inputs::report_script): Add parameter; track argument
1666         serial numbers.
1667         (Output_section_incremental_inputs::set_final_data_size): Adjust
1668         size of symbol info entry; check for forwarding symbols.
1669         (Output_section_incremental_inputs::write_input_files): Write
1670         in_system_directory flag and argument serial number.
1671         (Output_section_incremental_inputs::write_info_blocks): Map section
1672         indices between incremental info and original input file; store
1673         input section index for each symbol.
1674         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1675         change operator() to visit().
1676         (class Global_got_offset_visitor): Likewise.
1677         (class Global_symbol_visitor_got_plt):
1678         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1679         classes.
1680         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1681         (Sized_incr_relobj::do_read_symbols): New function.
1682         (Sized_incr_relobj::do_layout): New function.
1683         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1684         (Sized_incr_relobj::do_add_symbols): New function.
1685         (Sized_incr_relobj::do_should_include_member): New function.
1686         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1687         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1688         (Sized_incr_relobj::do_section_size): New function.
1689         (Sized_incr_relobj::do_section_name): New function.
1690         (Sized_incr_relobj::do_section_contents): New function.
1691         (Sized_incr_relobj::do_section_flags): New function.
1692         (Sized_incr_relobj::do_section_entsize): New function.
1693         (Sized_incr_relobj::do_section_address): New function.
1694         (Sized_incr_relobj::do_section_type): New function.
1695         (Sized_incr_relobj::do_section_link): New function.
1696         (Sized_incr_relobj::do_section_info): New function.
1697         (Sized_incr_relobj::do_section_addralign): New function.
1698         (Sized_incr_relobj::do_initialize_xindex): New function.
1699         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1700         (Sized_incr_relobj::do_read_relocs): New function.
1701         (Sized_incr_relobj::do_gc_process_relocs): New function.
1702         (Sized_incr_relobj::do_scan_relocs): New function.
1703         (Sized_incr_relobj::do_count_local_symbols): New function.
1704         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1705         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1706         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1707         (Sized_incr_relobj::do_relocate): New function.
1708         (Sized_incr_relobj::do_set_section_offset): New function.
1709         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1710         (Sized_incr_dynobj::do_read_symbols): New function.
1711         (Sized_incr_dynobj::do_layout): New function.
1712         (Sized_incr_dynobj::do_add_symbols): New function.
1713         (Sized_incr_dynobj::do_should_include_member): New function.
1714         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1715         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1716         (Sized_incr_dynobj::do_section_size): New function.
1717         (Sized_incr_dynobj::do_section_name): New function.
1718         (Sized_incr_dynobj::do_section_contents): New function.
1719         (Sized_incr_dynobj::do_section_flags): New function.
1720         (Sized_incr_dynobj::do_section_entsize): New function.
1721         (Sized_incr_dynobj::do_section_address): New function.
1722         (Sized_incr_dynobj::do_section_type): New function.
1723         (Sized_incr_dynobj::do_section_link): New function.
1724         (Sized_incr_dynobj::do_section_info): New function.
1725         (Sized_incr_dynobj::do_section_addralign): New function.
1726         (Sized_incr_dynobj::do_initialize_xindex): New function.
1727         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1728         (make_sized_incremental_object): New function.
1729         (Incremental_library::copy_unused_symbols): New function.
1730         (Incremental_library::do_for_all_unused_symbols): New function.
1731         * incremental.h (enum Incremental_input_flags): New type.
1732         (class Incremental_checker): Remove.
1733         (Incremental_input_entry::Incremental_input_entry): Add argument
1734         serial number.
1735         (Incremental_input_entry::arg_serial): New function.
1736         (Incremental_input_entry::set_is_in_system_directory): New function.
1737         (Incremental_input_entry::is_in_system_directory): New function.
1738         (Incremental_input_entry::arg_serial_): New data member.
1739         (Incremental_input_entry::is_in_system_directory_): New data member.
1740         (class Script_info): Move here from script.h.
1741         (Script_info::Script_info): Add filename parameter.
1742         (Script_info::filename): New function.
1743         (Script_info::filename_): New data member.
1744         (Incremental_script_entry::Incremental_script_entry): Add argument
1745         serial number.
1746         (Incremental_object_entry::Incremental_object_entry): Likewise.
1747         (Incremental_object_entry::add_input_section): Build list of input
1748         sections with map to original shndx.
1749         (Incremental_object_entry::get_input_section_index): New function.
1750         (Incremental_object_entry::shndx_): New data member.
1751         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1752         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1753         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1754         serial number.
1755         (Incremental_inputs::report_archive_begin): Likewise.
1756         (Incremental_inputs::report_object): Likewise.
1757         (Incremental_inputs::report_script): Likewise.
1758         (class Incremental_global_symbol_reader): New class.
1759         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1760         and store flags and input file type.
1761         (Incremental_input_entry_reader::arg_serial): New function.
1762         (Incremental_input_entry_reader::type): Extract type from flags.
1763         (Incremental_input_entry_reader::is_in_system_directory): New function.
1764         (Incremental_input_entry_reader::get_input_section_count): Call
1765         accessor function for type.
1766         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1767         function for type; adjust size of global symbol entry.
1768         (Incremental_input_entry_reader::get_global_symbol_count): Call
1769         accessor function for type.
1770         (Incremental_input_entry_reader::get_object_count): Likewise.
1771         (Incremental_input_entry_reader::get_object_offset): Likewise.
1772         (Incremental_input_entry_reader::get_member_count): Likewise.
1773         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1774         (Incremental_input_entry_reader::get_member_offset): Likewise.
1775         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1776         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1777         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1778         (Incremental_input_entry_reader::get_global_symbol_reader): New
1779         function.
1780         (Incremental_input_entry_reader::get_output_symbol_index): New
1781         function.
1782         (Incremental_input_entry_reader::type_): Remove.
1783         (Incremental_input_entry_reader::flags_): New data member.
1784         (Incremental_inputs_reader::input_file_offset): New function.
1785         (Incremental_inputs_reader::input_file_index): New function.
1786         (Incremental_inputs_reader::input_file): Call input_file_offset.
1787         (Incremental_inputs_reader::input_file_at_offset): New function.
1788         (Incremental_relocs_reader::get_r_type): Reformat.
1789         (Incremental_relocs_reader::get_r_shndx): Reformat.
1790         (Incremental_relocs_reader::get_r_offset): Reformat.
1791         (Incremental_relocs_reader::data): New function.
1792         (Incremental_binary::Incremental_binary): Initialize new data members.
1793         (Incremental_binary::check_inputs): Add cmdline parameter.
1794         (Incremental_binary::file_is_unchanged): Remove.
1795         (Input_reader::arg_serial): New function.
1796         (Input_reader::get_unused_symbol_count): New function.
1797         (Input_reader::get_unused_symbol): New function.
1798         (Input_reader::do_arg_serial): New function.
1799         (Input_reader::do_get_unused_symbol_count): New function.
1800         (Input_reader::do_get_unused_symbol): New function.
1801         (Incremental_binary::input_file_count): New function.
1802         (Incremental_binary::get_input_reader): Change signature to use
1803         index instead of filename.
1804         (Incremental_binary::file_has_changed): New function.
1805         (Incremental_binary::get_input_argument): New function.
1806         (Incremental_binary::get_library): New function.
1807         (Incremental_binary::get_script_info): New function.
1808         (Incremental_binary::init_layout): New function.
1809         (Incremental_binary::reserve_layout): New function.
1810         (Incremental_binary::output_file): New function.
1811         (Incremental_binary::do_check_inputs): New function.
1812         (Incremental_binary::do_file_is_unchanged): Remove.
1813         (Incremental_binary::do_file_has_changed): New function.
1814         (Incremental_binary::do_init_layout): New function.
1815         (Incremental_binary::do_reserve_layout): New function.
1816         (Incremental_binary::do_input_file_count): New function.
1817         (Incremental_binary::do_get_input_reader): Change signature.
1818         (Incremental_binary::input_args_map_): New data member.
1819         (Incremental_binary::library_map_): New data member.
1820         (Incremental_binary::script_map_): New data member.
1821         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1822         new data members.
1823         (Sized_incremental_binary::output_section): New function.
1824         (Sized_incremental_binary::inputs_reader): Add const.
1825         (Sized_incremental_binary::symtab_reader): Add const.
1826         (Sized_incremental_binary::relocs_reader): Add const.
1827         (Sized_incremental_binary::got_plt_reader): Add const.
1828         (Sized_incremental_binary::get_symtab_view): New function.
1829         (Sized_incremental_binary::Inputs_reader): New typedef.
1830         (Sized_incremental_binary::Input_entry_reader): New typedef.
1831         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1832         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1833         (Sized_incremental_binary::do_file_has_changed): New function.
1834         (Sized_incremental_binary::do_init_layout): New function.
1835         (Sized_incremental_binary::do_reserve_layout): New function.
1836         (Sized_input_reader::Inputs_reader): Remove.
1837         (Sized_input_reader::Input_entry_reader): Remove.
1838         (Sized_input_reader::do_arg_serial): New function.
1839         (Sized_input_reader::do_get_unused_symbol_count): New function.
1840         (Sized_input_reader::do_get_unused_symbol): New function.
1841         (Sized_incremental_binary::do_input_file_count): New function.
1842         (Sized_incremental_binary::do_get_input_reader): Change signature;
1843         use index instead of filename.
1844         (Sized_incremental_binary::section_map_): New data member.
1845         (Sized_incremental_binary::input_entry_readers_): New data member.
1846         (class Sized_incr_relobj): New class.
1847         (class Sized_incr_dynobj): New class.
1848         (make_sized_incremental_object): New function.
1849         (class Incremental_library): New class.
1850         * layout.cc (Free_list::num_lists): New static data member.
1851         (Free_list::num_nodes): New static data member.
1852         (Free_list::num_removes): New static data member.
1853         (Free_list::num_remove_visits): New static data member.
1854         (Free_list::num_allocates): New static data member.
1855         (Free_list::num_allocate_visits): New static data member.
1856         (Free_list::init): New function.
1857         (Free_list::remove): New function.
1858         (Free_list::allocate): New function.
1859         (Free_list::dump): New function.
1860         (Free_list::print_stats): New function.
1861         (Layout_task_runner::run): Resize output file for incremental updates.
1862         (Layout::Layout): Initialize new data members.
1863         (Layout::set_incremental_base): New function.
1864         (Layout::init_fixed_output_section): New function.
1865         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1866         incremental updates.
1867         (Layout::create_gold_note): Do not create gold note section for
1868         incremental updates.
1869         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1870         for incremental updates.
1871         (Layout::set_section_offsets): For incremental updates, allocate space
1872         from free list.
1873         (Layout::create_symtab_sections): Layout with offsets relative to
1874         start of section; for incremental updates, allocate space from free
1875         list.
1876         (Layout::create_shdrs): For incremental updates, allocate space from
1877         free list.
1878         (Layout::finish_dynamic_section): For incremental updates, do not
1879         check --as-needed (fixed in subsequent patch).
1880         * layout.h (class Free_list): New class.
1881         (Layout::set_incremental_base): New function.
1882         (Layout::incremental_base): New function.
1883         (Layout::init_fixed_output_section): New function.
1884         (Layout::allocate): New function.
1885         (Layout::incremental_base_): New data member.
1886         (Layout::free_list_): New data member.
1887         * main.cc (main): Print Free_list statistics.
1888         * object.cc (Relobj::finalize_incremental_relocs): Add
1889         clear_counts parameter; clear counts only when clear_counts is set.
1890         (Sized_relobj::Sized_relobj): Initialize new base class.
1891         (Sized_relobj::do_layout): Don't report special sections.
1892         (Sized_relobj::do_for_all_local_got_entries): New function.
1893         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1894         symtab_off to all symbol table offsets.
1895         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1896         * object.h (class Got_offset_list): Move to top of file.
1897         (Object::Object): Allow case where input_file == NULL.
1898         (Object::~Object): Likewise.
1899         (Object::input_file): Assert that input_file != NULL.
1900         (Object::lock): Allow case where input_file == NULL.
1901         (Object::unlock): Likewise.
1902         (Object::is_locked): Likewise.
1903         (Object::token): Likewise.
1904         (Object::release): Likewise.
1905         (Object::is_incremental): New function.
1906         (Object::get_mtime): New function.
1907         (Object::for_all_local_got_entries): New function.
1908         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1909         (Object::set_is_in_system_directory): New function.
1910         (Object::is_in_system_directory): New function.
1911         (Object::do_is_incremental): New function.
1912         (Object::do_get_mtime): New function.
1913         (Object::do_for_all_local_got_entries): New function.
1914         (Object::is_in_system_directory_): New data member.
1915         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1916         (class Sized_relobj_base): New class.
1917         (class Sized_relobj): Derive from Sized_relobj_base.
1918         (class Sized_relobj::Symbols): Redeclare from base class.
1919         (class Sized_relobj::local_got_offset_list): Remove.
1920         (class Sized_relobj::Output_sections): Redeclare from base class.
1921         (class Sized_relobj::do_for_all_local_got_entries): New function.
1922         (class Sized_relobj::write_local_symbols): Add offset parameter.
1923         (class Sized_relobj::local_symbol_offset_): Update comment.
1924         (class Sized_relobj::local_dynsym_offset_): Update comment.
1925         * options.cc (Input_arguments::add_file): Remove const.
1926         * options.h (Input_file_argument::Input_file_argument):
1927         Initialize arg_serial_ (all constructors).
1928         (Input_file_argument::set_arg_serial): New function.
1929         (Input_file_argument::arg_serial): New function.
1930         (Input_file_argument::arg_serial_): New data member.
1931         (Input_arguments::Input_arguments): Initialize file_count_.
1932         (Input_arguments::add_file): Remove const.
1933         (Input_arguments::number_of_input_files): New function.
1934         (Input_arguments::file_count_): New data member.
1935         (Command_line::number_of_input_files): Call
1936         Input_arguments::number_of_input_files.
1937         * output.cc (Output_segment_headers::Output_segment_headers):
1938         Set current size.
1939         (Output_section::Input_section::current_data_size): New function.
1940         (Output_section::Output_section): Initialize new data members.
1941         (Output_section::add_input_section): Don't do merge sections for
1942         an incremental link; allocate space from free list for an
1943         incremental update.
1944         (Output_section::add_output_section_data): Allocate space from
1945         free list for an incremental update.
1946         (Output_section::update_data_size): New function.
1947         (Output_section::set_fixed_layout): New function.
1948         (Output_section::reserve): New function.
1949         (Output_segment::set_section_addresses): Remove const.
1950         (Output_segment::set_section_list_addresses): Remove const; allocate
1951         space from free list for an incremental update.
1952         (Output_segment::set_offset): Adjust size of RELRO segment for an
1953         incremental update.
1954         * output.h (Output_data::current_data_size): Move here from
1955         child classes.
1956         (Output_data::pre_finalize_data_size): New function.
1957         (Output_data::update_data_size): New function.
1958         (Output_section_headers::update_data_size): new function.
1959         (Output_section_data_build::current_data_size): Move to Output_data.
1960         (Output_data_strtab::update_data_size): New function.
1961         (Output_section::current_data_size): Move to Output_data.
1962         (Output_section::set_fixed_layout): New function.
1963         (Output_section::has_fixed_layout): New function.
1964         (Output_section::reserve): New function.
1965         (Output_section::update_data_size): New function.
1966         (Output_section::has_fixed_layout_): New data member.
1967         (Output_section::free_list_): New data member.
1968         (Output_segment::set_section_addresses): Remove const.
1969         (Output_segment::set_section_list_addresses): Remove const.
1970         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1971         New function.
1972         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1973         New function.
1974         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1975         parameter when calling Add_symbols constructor; store argument
1976         serial number for members of a lib group.
1977         (Add_symbols::locks): Allow case where token == NULL.
1978         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1979         (Read_member::~Read_member): New function.
1980         (Read_member::is_runnable): New function.
1981         (Read_member::locks): New function.
1982         (Read_member::run): New function.
1983         (Check_script::~Check_script): New function.
1984         (Check_script::is_runnable): New function.
1985         (Check_script::locks): New function.
1986         (Check_script::run): New function.
1987         (Check_library::~Check_library): New function.
1988         (Check_library::is_runnable): New function.
1989         (Check_library::locks): New function.
1990         (Check_library::run): New function.
1991         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1992         (Add_symbols::library_): New data member.
1993         (class Read_member): New class.
1994         (class Check_script): New class.
1995         (class Check_library): New class.
1996         * reloc.cc (Read_relocs::is_runnable): Allow case where
1997         token == NULL.
1998         (Read_relocs::locks): Likewise.
1999         (Scan_relocs::locks): Likewise.
2000         (Relocate_task::locks): Likewise.
2001         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2002         to clear counters.
2003         (Sized_relobj::incremental_relocs_scan): Fix comment.
2004         (Sized_relobj::do_relocate): Pass output file offset to
2005         write_local_symbols.
2006         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2007         from class declaration.
2008         * script.cc (read_input_script): Allocate Script_info; pass
2009         argument serial number to report_script.
2010         * script.h (class Script_info): Move to incremental.h.
2011         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2012         * symtab.h (Symbol_table::add_from_incrobj): New function.
2013         (Symbol_table::set_file_offset): New function.
2014
2015 2011-04-05  Cary Coutant  <ccoutant@google.com>
2016
2017         * incremental-dump.cc (dump_incremental_inputs): Change signature
2018         to take a Sized_incremental_binary; change caller.  Use readers
2019         in Sized_incremental_binary.
2020         * incremental.cc
2021         (Sized_incremental_binary::find_incremental_inputs_sections):
2022         Rename do_find_incremental_inputs_sections to this.
2023         (Sized_incremental_binary::setup_readers): New function.
2024         (Sized_incremental_binary::do_check_inputs): Check
2025         has_incremental_info_ flag; move setup code to setup_readers;
2026         use input readers.
2027         (Sized_incremental_binary::do_file_is_unchanged): New function.
2028         (Sized_incremental_binary::do_get_input_reader): New function.
2029         * incremental.h (class Incremental_binary): Move to end of file.
2030         (Incremental_binary::file_is_unchanged): New function.
2031         (Incremental_binary::do_file_is_unchanged): New function.
2032         (Incremental_binary::Input_reader): New class.
2033         (Incremental_binary::get_input_reader): New function.
2034         (class Sized_incremental_binary): Move to end of file.
2035         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2036         input section reader classes.
2037         (Sized_incremental_binary::has_incremental_info): New function.
2038         (Sized_incremental_binary::inputs_reader): New function.
2039         (Sized_incremental_binary::symtab_reader): New function.
2040         (Sized_incremental_binary::relocs_reader): New function.
2041         (Sized_incremental_binary::got_plt_reader): New function.
2042         (Sized_incremental_binary::do_file_is_unchanged): New function.
2043         (Sized_incremental_binary::Sized_input_reader): New class.
2044         (Sized_incremental_binary::get_input_reader): New function.
2045         (Sized_incremental_binary::find_incremental_inputs_sections):
2046         Rename do_find_incremental_inputs_sections to this.
2047         (Sized_incremental_binary::setup_readers): New function.
2048         (Sized_incremental_binary::has_incremental_info_): New data member.
2049         (Sized_incremental_binary::inputs_reader_): New data member.
2050         (Sized_incremental_binary::symtab_reader_): New data member.
2051         (Sized_incremental_binary::relocs_reader_): New data member.
2052         (Sized_incremental_binary::got_plt_reader_): New data member.
2053         (Sized_incremental_binary::current_input_file_): New data member.
2054
2055 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2056
2057         PR gold/12640
2058         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2059         violation.
2060
2061 2011-03-30  Cary Coutant  <ccoutant@google.com>
2062
2063         * archive.cc (Archive::include_member): Adjust call to report_object.
2064         (Add_archive_symbols::run): Add script_info to call to
2065         report_archive_begin.
2066         (Lib_group::include_member): Adjust call to report_object.
2067         (Add_lib_group_symbols::run): Adjust call to report_object.
2068         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2069         blocks.  Add object count for script input files.
2070         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2071         script_info parameter; change all callers.
2072         (Incremental_inputs::report_object): Add script_info parameter;
2073         change all callers.
2074         (Incremental_inputs::report_script): Store backpointer to
2075         incremental info entry.
2076         (Output_section_incremental_inputs::set_final_data_size): Record
2077         additional information for scripts.
2078         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2079         * incremental.h (Incremental_script_entry::add_object): New function.
2080         (Incremental_script_entry::get_object_count): New function.
2081         (Incremental_script_entry::get_object): New function.
2082         (Incremental_script_entry::objects_): New data member; adjust
2083         constructor.
2084         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2085         (Incremental_inputs::report_object): Add script_info parameter.
2086         (Incremental_inputs_reader::get_object_count): New function.
2087         (Incremental_inputs_reader::get_object_offset): New function.
2088         * options.cc (Input_arguments::add_file): Return reference to
2089         new input argument.
2090         * options.h (Input_argument::set_script_info): New function.
2091         (Input_argument::script_info): New function.
2092         (Input_argument::script_info_): New data member; adjust all
2093         constructors.
2094         (Input_file_group::add_file): Return reference to new input argument.
2095         (Input_file_lib::add_file): Likewise.
2096         (Input_arguments::add_file): Likewise.
2097         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2098         * script.cc (Parser_closure::Parser_closure): Add script_info
2099         parameter; adjust all callers.
2100         (Parser_closure::script_info): New function.
2101         (Parser_closure::script_info_): New data member.
2102         (read_input_script): Report scripts earlier to incremental info.
2103         (script_add_file): Set script_info in Input_argument.
2104         (script_add_library): Likewise.
2105         * script.h (Script_options::Script_info): Rewrite class.
2106
2107 2011-03-29  Cary Coutant  <ccoutant@google.com>
2108
2109         * archive.cc (Library_base::should_include_member): Move
2110         method here from class Archive.
2111         (Archive::Archive): Initialize base class.
2112         (Archive::should_include_member): Move to base class.
2113         (Archive::do_for_all_unused_symbols): New function.
2114         (Add_archive_symbols::run): Remove redundant access to
2115         incremental_inputs.
2116         (Lib_group::Lib_group): Initialize base class.
2117         (Lib_group::do_filename): New function.
2118         (Lib_group::include_member): Pass pointer to Lib_group to
2119         report_object.
2120         (Lib_group::do_for_all_unused_symbols): New function.
2121         (Add_lib_group_symbols::run): Report archive information for
2122         incremental links.
2123         * archive.h (class Library_base): New base class.
2124         (class Archive): Derive from Library_base.
2125         (Archive::filename): Move to base class.
2126         (Archive::set_incremental_info): Likewise.
2127         (Archive::incremental_info): Likewise.
2128         (Archive::Should_include): Likewise.
2129         (Archive::should_include_member): Likewise.
2130         (Archive::Armap_entry): Remove.
2131         (Archive::Unused_symbol_iterator): Remove.
2132         (Archive::unused_symbols_begin): Remove.
2133         (Archive::unused_symbols_end): Remove.
2134         (Archive::do_filename): New function.
2135         (Archive::do_get_mtime): New function.
2136         (Archive::do_for_all_unused_symbols): New function.
2137         (Archive::task_): Move to base class.
2138         (Archive::incremental_info_): Likewise.
2139         (class Lib_group): Derive from Library_base.
2140         (Lib_group::do_filename): New function.
2141         (Lib_group::do_get_mtime): New function.
2142         (Lib_group::do_for_all_unused_symbols): New function.
2143         (Lib_group::task_): Move to base class.
2144         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2145         function.
2146         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2147         function.
2148         * incremental.cc (Incremental_inputs::report_archive_begin):
2149         Use Library_base; call library's get_mtime; add incremental inputs
2150         entry before members.
2151         (class Unused_symbol_visitor): New class.
2152         (Incremental_inputs::report_archive_end): Use Library_base; use
2153         visitor class to record unused symbols; don't add incremental inputs
2154         entry after members.
2155         (Incremental_inputs::report_object): Use Library_base.
2156         * incremental.h
2157         (Incremental_archive_entry::Incremental_archive_entry): Remove
2158         unused Archive parameter.
2159         (Incremental_inputs::report_archive_begin): Use Library_base.
2160         (Incremental_inputs::report_archive_end): Likewise.
2161         (Incremental_inputs::report_object): Likewise.
2162         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2163         function.
2164         * object.h (Object::for_all_global_symbols): New function.
2165         (Object::do_for_all_global_symbols): New function.
2166         (Sized_relobj::do_for_all_global_symbols): New function.
2167         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2168         function.
2169         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2170         function.
2171
2172 2011-03-27  Ian Lance Taylor  <iant@google.com>
2173
2174         * archive.cc (Archive::interpret_header): Return -1 if something
2175         goes wrong.  Change callers accordingly.
2176
2177 2011-03-25  Cary Coutant  <ccoutant@google.com>
2178
2179         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2180         * testsuite/Makefile.in: Regenerate.
2181
2182 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2183
2184         * plugin.cc (get_view): New.
2185         (Plugin::load): Pass get_view to the plugin.
2186         (Plugin_manager::get_view): New.
2187
2188 2011-03-21  Ian Lance Taylor  <iant@google.com>
2189
2190         * testsuite/final_layout.sh: Rewrite to not use dc.
2191         * testsuite/relro_test.sh: Fail if dc is not present.
2192
2193 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2194
2195         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2196         Change == to -eq.
2197         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2198         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2199         Change == to -eq.
2200         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2201         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2202
2203 2011-03-14  Ian Lance Taylor  <iant@google.com>
2204
2205         * script-sections.cc (Sort_output_sections::script_compare):
2206         Rename from is_before, change return type.
2207         (Sort_output_sections::operator()): Adjust accordingly.
2208
2209 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2210
2211         PR gold/12572
2212         * testsuite/odr_violation2.cc: Add comment to make all error line
2213         numbers double digits.
2214         * testsuite/debug_msg.sh: Adjust expected errors.
2215
2216 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2217
2218         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2219         but mark earlier ones as non-canonical
2220         (offset_to_iterator): Update search target and example
2221         (do_addr2line): Return extra lines in a vector*
2222         (format_file_lineno): Extract from do_addr2line
2223         (one_addr2line): Add vector* out-param
2224         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2225         when a lineno entry appeared last for its instruction
2226         (Dwarf_line_info): Add vector* out-param
2227         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2228         * symtab.cc (Odr_violation_compare): Include the lineno in the
2229         comparison again.
2230         (linenos_from_loc): New. Combine the canonical line for an
2231         address with its other lines.
2232         (True_if_intersect): New. Helper functor to make
2233         std::set_intersection a query.
2234         (detect_odr_violations): Compare sets of lines instead of just
2235         one line for each function. This became less deterministic, but
2236         has fewer false positives.
2237         * symtab.h: Declarations.
2238         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2239         mix an optimized and non-optimized object in the same binary
2240         (odr_violation2.so): Same.
2241         * testsuite/Makefile.in: Regenerate from Makefile.am.
2242         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2243         * testsuite/debug_msg.sh: Update line numbers and add
2244         assertions.
2245         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2246         non-optimized context.
2247         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2248         isn't inlined, and use OdrDerived in an optimized context.
2249         * testsuite/odr_header1.h: Defines OdrDerived, where
2250         optimization will change the
2251         first-instruction-in-the-destructor's file and line number.
2252         * testsuite/odr_header2.h: Defines OdrBase.
2253
2254 2011-03-09  Ian Lance Taylor  <iant@google.com>
2255
2256         * fileread.cc (File_read::clear_views): Don't delete the whole
2257         file view.
2258
2259 2011-03-08  Ian Lance Taylor  <iant@google.com>
2260
2261         PR gold/12525
2262         * fileread.cc: #include <climits>.
2263         (GOLD_IOV_MAX): Define.
2264         (File_read::read_multiple): Limit number of entries by iov_max.
2265         * fileread.h (class File_read): Always set max_readv_entries to
2266         128.
2267
2268 2011-03-07  Ian Lance Taylor  <iant@google.com>
2269
2270         PR gold/12525
2271         * options.h (class General_options): Add -dy and -dn.
2272
2273 2011-03-02  Cary Coutant  <ccoutant@google.com>
2274
2275         * testsuite/script_test_9.t: Add TLS segment.
2276
2277 2011-03-02  Simon Baldwin  <simonb@google.com>
2278
2279         * configure.ac: Add check for gnu_indirect_function support in
2280         the toolchain building binutils.
2281         * configure: Rebuild.
2282
2283 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2284
2285         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2286         plugin only symbols.
2287         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2288         in plugin files as not needed in the symbol table.
2289
2290 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2291
2292         * output.cc (Output_section::add_input_section): Delay fill
2293         generation for section ordering.
2294
2295 2011-02-09  Ian Lance Taylor  <iant@google.com>
2296
2297         PR gold/12316
2298         * object.h (class Sized_relobj): Remove clear_local_symbols.
2299         * reloc.cc (Sized_relobj::do_relocate): Don't call
2300         clear_local_symbols.
2301
2302 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2303
2304         * plugin.cc (is_visible_from_outside): Return true for symbols
2305         in the -u option.
2306
2307 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2308
2309         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2310         filename.
2311
2312 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2313
2314         * icf.h (is_section_foldable_candidate): Change type of parameter
2315         to std::string.
2316         * icf.cc (Icf::find_identical_sections): Change type of local variable
2317         section_name to be std::string.
2318         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2319
2320 2011-01-25  Ian Lance Taylor  <iant@google.com>
2321
2322         * script.cc (script_add_extern): Rewrite to use
2323         add_symbol_reference.
2324
2325 2011-01-25  Doug Kwan  <dougkwan@google.com>
2326
2327         * icf.cc (get_section_contents): Always lock section's object.
2328
2329 2011-01-24  Ian Lance Taylor  <iant@google.com>
2330
2331         * options.h (class General_options): Accept
2332         --no-detect-odr-violations.
2333
2334 2011-01-24  Ian Lance Taylor  <iant@google.com>
2335
2336         * version.cc (version_string): Bump to 1.11.
2337
2338 2011-01-24  Ian Lance Taylor  <iant@google.com>
2339
2340         * plugin.cc (class Plugin_rescan): Define new class.
2341         (Plugin_manager::claim_file): Set any_claimed_.
2342         (Plugin_manager::save_archive): New function.
2343         (Plugin_manager::save_input_group): New function.
2344         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2345         necessary.
2346         (Plugin_manager::new_undefined_symbol): New function.
2347         (Plugin_manager::rescan): New function.
2348         (Plugin_manager::rescannable_defines): New function.
2349         (Plugin_manager::add_input_file): Set any_added_.
2350         * plugin.h (class Plugin_manager): define new fields rescannable_,
2351         undefined_symbols_, any_claimed_, and any_added_.  Declare
2352         Plugin_rescan as friend.  Declare new functions.
2353         (Plugin_manager::Rescannable): Define type.
2354         (Plugin_manager::Rescannable_list): Define type.
2355         (Plugin_manager::Undefined_symbol_list): Define type.
2356         (Plugin_manager::Plugin_manager): Initialize new fields.
2357         * archive.cc (Archive::defines_symbol): New function.
2358         (Add_archive_symbols::run): Pass archive to plugins if any.
2359         * archive.h (class Archive): Declare defines_symbol.
2360         * readsyms.cc (Input_group::~Input_group): New function.
2361         (Finish_group::run): Pass input_group to plugins if any.
2362         * readsyms.h (class Input_group): Declare destructor.
2363         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2364         any.
2365
2366 2011-01-10  Ian Lance Taylor  <iant@google.com>
2367
2368         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2369         section as relro.
2370         (Layout::set_segment_offsets): Reset increase_relro before calling
2371         set_section_addresses a second time.
2372
2373 2011-01-04  Cary Coutant  <ccoutant@google.com>
2374
2375         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2376         sections before NOBITS sections.
2377
2378 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2379
2380         * version.cc (print_version): Update copyright to 2011.
2381
2382 2010-12-23  Cary Coutant  <ccoutant@google.com>
2383
2384         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2385         of OS to this->add.  Add OD parameter to second form of the function.
2386
2387 2010-12-20  Ian Lance Taylor  <iant@google.com>
2388
2389         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2390         second of two consecutive entries with same offset.
2391
2392 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2393
2394         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2395         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2396         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2397         to avoid unneeded links against $(LDADD).
2398         * testsuite/Makefile.in: Regenerate.
2399
2400 2010-12-15  Ian Lance Taylor  <iant@google.com>
2401
2402         PR gold/12324
2403         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2404         for R_X86_64_32 and R_X86_64_PC32.
2405         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2406         ver_matching_def_pic.o.
2407         (ver_matching_def_pic.o): New target.
2408
2409 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2410
2411         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2412         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2413         Move definition before File_read::View member definitions.
2414         (File_read::View::~View): Initialize and hold lock before
2415         updating current_mapped_bytes.
2416
2417 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2418
2419         * dwarf_reader.cc: Remove outdated comment.
2420         * gold-threads.cc: Fix typo in error message.
2421         * archive.cc: Fix typos in comments.
2422         * archive.h: Likewise.
2423         * arm-reloc-property.cc: Likewise.
2424         * arm-reloc-property.h: Likewise.
2425         * arm-reloc.def: Likewise.
2426         * arm.cc: Likewise.
2427         * attributes.h: Likewise.
2428         * cref.cc: Likewise.
2429         * ehframe.cc: Likewise.
2430         * fileread.h: Likewise.
2431         * gold.h: Likewise.
2432         * i386.cc: Likewise.
2433         * icf.cc: Likewise.
2434         * incremental.h: Likewise.
2435         * int_encoding.cc: Likewise.
2436         * layout.h: Likewise.
2437         * main.cc: Likewise.
2438         * merge.h: Likewise.
2439         * object.cc: Likewise.
2440         * object.h: Likewise.
2441         * options.cc: Likewise.
2442         * readsyms.cc: Likewise.
2443         * reduced_debug_output.cc: Likewise.
2444         * reloc.cc: Likewise.
2445         * script-sections.cc: Likewise.
2446         * sparc.cc: Likewise.
2447         * symtab.h: Likewise.
2448         * target-reloc.h: Likewise.
2449         * target.cc: Likewise.
2450         * target.h: Likewise.
2451         * timer.cc: Likewise.
2452         * timer.h: Likewise.
2453         * x86_64.cc: Likewise.
2454
2455 2010-12-09  Cary Coutant  <ccoutant@google.com>
2456
2457         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2458         stack.
2459         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2460         parameter; change all callers.
2461         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2462         * options.h (warn_execstack): New option.
2463
2464 2010-12-07  Doug Kwan  <dougkwan@google.com>
2465
2466         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2467         like function call relocations.
2468
2469 2010-12-07  Ian Lance Taylor  <iant@google.com>
2470
2471         * archive.cc (Archive::get_elf_object_for_member): Permit
2472         punconfigured to be NULL.
2473         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2474         (Archive::include_member): Pass NULL to get_elf_object_for_member
2475         if we searched for the archive and this is the first included
2476         object.
2477
2478 2010-12-01  Ian Lance Taylor  <iant@google.com>
2479
2480         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2481         track_relocs_type_ field.
2482         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2483         Set track_relocs_type_.
2484         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2485         contents when using RELA relocs.
2486         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2487         reloc_map_.
2488         * reloc.cc (Track_relocs::next_addend): New function.
2489         * reloc.h (class Track_relocs): Declare next_addend.
2490
2491 2010-12-01  Ian Lance Taylor  <iant@google.com>
2492
2493         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2494         virtual destructor.
2495
2496 2010-12-01  Ian Lance Taylor  <iant@google.com>
2497
2498         * README: Update compilers known to work and fail.
2499
2500 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2501
2502         * configure.in: For --enable-gold, handle value `default' instead of
2503         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2504         not the default.
2505         * configure: Regenerate.
2506
2507 2010-11-18  Doug Kwan  <dougkwan@google.com>
2508
2509         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2510         and right_alignment to be zero.  Store result alignment only if it is
2511         greater than existing alignment.
2512
2513 2010-11-16  Cary Coutant  <ccoutant@google.com>
2514
2515         PR gold/12220
2516         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2517         Check for ".zdebug_line".
2518
2519 2010-11-16  Doug Kwan  <dougkwan@google.com>
2520             Cary Coutant  <ccoutant@google.com>
2521
2522         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2523         by reference; adjust all callers.
2524         * output.cc (Output_segment::set_section_addresses): Adjust references
2525         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2526         list is empty.
2527         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2528         end at page boundary.
2529
2530 2010-11-16  Cary Coutant  <ccoutant@google.com>
2531
2532         PR gold/12220
2533         * layout.cc (Layout::choose_output_section): Transform names of
2534         compressed sections even when using a script with a SECTIONS clause.
2535         (Layout::output_section_name): Remove code to transform
2536         compressed debug section names.
2537         * output.cc (Output_section::add_input_section): Use uncompressed
2538         section size when tracking input sections.
2539
2540 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2541
2542         * symtab.h (Symbol::NON_PIC_REF): Remove.
2543         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2544         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2545         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2546         (Symbol::use_plt_offset): Take a flags argument and pass it
2547         directly to needs_dynamic_reloc.  Restrict check for undefined
2548         weak symbols to function calls.
2549         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2550         (Target_arm::Scan::global): Use it.
2551         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2552         (Target_arm::Relocate::relocate): Likewise.
2553         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2554         parameter with an r_type parameter.  Use get_reference_flags
2555         to get the flags.
2556         (Target_arm::Relocate::relocate): Update accordingly.
2557         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2558         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2559         (Target_i386::Scan::global): Likewise.
2560         (Target_i386::Relocate::relocate): Likewise.
2561         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2562         parameter with an r_type parameter.  Use get_reference_flags
2563         to get the flags.
2564         (Target_i386::Relocate::relocate): Update accordingly.
2565         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2566         (Target_powerpc::Scan::global): Use it.
2567         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2568         (Target_powerpc::Relocate::relocate): Likewise.
2569         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2570         (Target_sparc::Scan::global): Use it.
2571         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2572         (Target_sparc::Relocate::relocate): Likewise.
2573         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2574         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2575         (Target_x86_64::Scan::global): Likewise.
2576         (Target_x86_64::Relocate::relocate): Likewise.
2577
2578 2010-11-08  Doug Kwan  <dougkwan@google.com>
2579             Cary Coutant  <ccoutant@google.com>
2580
2581         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2582         (Arm_exidx_merge_section::section_contents_): New data member.
2583         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2584         (Arm_input_section::~Arm_input_section): De-allocate memory.
2585         (Arm_input_section::original_contents_): New data member.       
2586         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2587         in parameters instead of calling Object::section_contents without
2588         locking.
2589         (Arm_output_section::group_section): New parameter TASK.  Pass it
2590         to callees that need locking objects.
2591         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2592         to lock EXIDX input sections.  Fix a formatting issue.  Call
2593         Arm_exidx_merged_section::build_contents to create merged section
2594         contents.
2595         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2596         to lock object of stub table owner.
2597         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2598         TEXT_SIZE to initialize data member TEXT_SIZE_.
2599         (Arm_exidx_input_section::addralign): Fix typo in comment.
2600         (Arm_exidx_input_section::text_size): New method.
2601         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2602         that require locking objects.  Lock objects before scanning for stubs
2603         and updating local symbols.
2604         (Arm_input_section<big_endian>::init): Copy contents of original
2605         input section.
2606         (Arm_input_section<big_endian>::do_write): Use saved contents of
2607         original input section instead of calling Object::section_contents
2608         without locking.
2609         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2610         size without calling Object::section_size().
2611         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2612         for size.  Allocate a buffer for merged EXIDX entries.
2613         (Arm_exidx_merged_section::build_contents): New method.
2614         (Arm_exidx_merged_section::do_write): Move merge section contents
2615         building code to Arm_exidx_merged_section::build_contetns.  Write
2616         out contetns in buffer instead of building it on the fly.
2617         (Arm_relobj::make_exidx_input_section): Also pass text section size
2618         to Arm_exidx_input_section constructor.
2619         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2620         (Arm_dynobj::do_read_symbols): Fix memory leak.
2621         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2622         * target.h: (class Task): Add forward declaration.
2623         (Target::relax): Add new parameter TASK and pass it to
2624         Target::do_relax().
2625         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2626
2627 2010-11-05  Cary Coutant  <ccoutant@google.com>
2628
2629         PR gold/10708
2630         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2631         object when reading from the file.
2632         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2633         second layout pass.
2634         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2635         when reading section contents.
2636         (get_section_contents): Likewise.
2637         (icf::find_identical_sections): Likewise.
2638         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2639         object when reading from the file.
2640         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2641         the object when doing deferred section layout.
2642
2643 2010-11-03  Nick Clifton  <nickc@redhat.com>
2644
2645         PR gold/12001
2646         * script.h (class Symbol_assignment: name): New member.  Returns
2647         the name of the symbol.
2648         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2649         Returns true if the given symbol name is on the list of
2650         assignments wating to be processed.
2651         * archive.cc (should_incldue_member): If the symbol is undefined,
2652         check to see if it is on the list of symbols pending assignment.
2653
2654 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2655
2656         * script-sections.cc (Script_sections::find_memory_region): Check
2657         for a NULL output section pointer.
2658
2659 2010-10-29  Doug Kwan  <dougkwan@google.com>
2660
2661         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2662         Output_section::add_relaxed_input_section.
2663         * output.cc (Output_section::add_relaxed_input_section): Add new
2664         arguments LAYOUT and NAME.  Set section order index.
2665         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2666         Copy section order index.
2667         * output.h (Output_section::add_relaxed_input_section): Add new
2668         arguments LAYOUT and NAME.
2669
2670 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2671
2672         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2673         NATIVE_OR_CROSS_LINKER.
2674         * testsuite/Makefile.in: Regenerate.
2675
2676 2010-10-20  Doug Kwan  <dougkwan@google.com>
2677
2678         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2679         without SHF_LINK_ORDER flags.
2680         * layout.cc (Layout::choose_output_section): Do not filter
2681         SHF_LINK_ORDER flag in a relocatable link.
2682
2683 2010-10-17  Cary Coutant  <ccoutant@google.com>
2684
2685         * output.h (Output_segment::set_section_addresses): Change function
2686         signature.  Update all callers.
2687         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2688         sections.
2689         (Output_segment::set_section_addresses): Align after last TLS
2690         section.  Add padding before last relro section instead of after.
2691
2692 2010-10-17  Doug Kwan  <dougkwan@google.com>
2693
2694         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2695         GOT output section to be writable.
2696
2697 2010-10-14  Cary Coutant  <ccoutant@google.com>
2698
2699         * debug.h (DEBUG_INCREMENTAL): New flag.
2700         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2701         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2702         mode.
2703         * incremental.cc (report_command_line): Ignore all forms of
2704         --incremental.
2705         * layout.cc (Layout::Layout): Check parameters for incremental link
2706         mode.
2707         * options.cc (General_options::parse_incremental): New function.
2708         (General_options::parse_no_incremental): New function.
2709         (General_options::parse_incremental_full): New function.
2710         (General_options::parse_incremental_update): New function.
2711         (General_options::incremental_mode_): New data member.
2712         (General_options::finalize): Check incremental_mode_.
2713         * options.h (General_options): Update help text for --incremental.
2714         Add --no-incremental, --incremental-full, --incremental-update.
2715         (General_options::Incremental_mode): New enum type.
2716         (General_options::incremental_mode): New function.
2717         (General_options::incremental_mode_): New data member.
2718         * parameters.cc (Parameters::incremental_mode_): New data member.
2719         (Parameters::set_options): Set incremental_mode_.
2720         (Parameters::set_incremental_full): New function.
2721         (Parameters::incremental): New function.
2722         (Parameters::incremental_update): New function.
2723         (set_parameters_incremental_full): New function.
2724         * parameters.h (Parameters::set_incremental_full): New function.
2725         (Parameters::incremental): New function.
2726         (Parameters::incremental_update): New function.
2727         (Parameters::incremental_mode_): New data member.
2728         (set_parameters_incremental_full): New function.
2729         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2730         incremental link mode.
2731         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2732         (Sized_relobj::do_relocate_sections): Likewise.
2733         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2734         option.
2735         * testsuite/Makefile.in: Regenerate.
2736         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2737
2738 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2739
2740         * script-sections.h (class Script_sections): Make
2741         Sections_elements typedef public.
2742         * script-sections.cc (class Sort_output_sections): Add elements_
2743         field.  Add constructor which sets it; change all callers.
2744         (Sort_output_sections::is_before): New function.
2745         (Sort_output_sections::operator()): Call is_before.
2746         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2747         conditional.
2748         * testsuite/script_test_10.sh: New test. Test script section
2749         order.
2750         * testsuite/script_test_10.t: Likewise.
2751         * testsuite/script_test_10.s: Likewise.
2752         * testsuite/Makefile.am: Wrap the cross linker tests and the
2753         common tests into NATIVE_OR_CROSS_LINKER.
2754         (check_SCRIPTS): Add script_test_10.sh.
2755         (check_DATA): Add script_test_10.stdout.
2756         (script_test_10.o, script_test_10): New targets.
2757         (script_test_10.stdout): New target.
2758         * configure, testsuite/Makefile.in: Regenerate.
2759
2760 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2761
2762         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2763         error for the deprecated relocations.
2764         (Target_arm::Scan::global): Likewise.
2765         (Target_arm::Relocate::relocate): Likewise.
2766
2767 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2768
2769         * fileread.cc (Input_file::find_file): Initialize *found_name
2770         and *namep when using the fallback search for case 4.
2771
2772 2010-10-11  Cary Coutant  <ccoutant@google.com>
2773
2774         * options.h (class General_options): Redefine -z lazy as an alias for
2775         the negation of -z now.
2776
2777 2010-10-11  Ian Lance Taylor  <iant@google.com>
2778
2779         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2780         binding.
2781
2782 2010-10-06  Nick Clifton  <nickc@redhat.com>
2783
2784         * script-sections.cc(class Memory_region): Remove
2785         current_lma_offset_ field.  Rename current_vma_offset_ to
2786         current_offset_.  Add last_section_ field.
2787         (Memory_region::get_current_vma_address): Rename to
2788         get_current_address.
2789         (Memory_region::get_current_lma_address): Delete.
2790         (Memory_region::increment_vma_offset): Rename to
2791         increment_offset.
2792         (Memory_region::increment_lma_offset): Delete.
2793         (Memory_region::attributes_compatible): New method.  Returns
2794         true if the provided section is compatible with the region.
2795         (Memory_region::get_last_section): New method.  Returns the last
2796         section to use the region.
2797         (Memory_region::set_last_section): New method.  Stores the last
2798         section to use the region.
2799         (Script_sections::block_in_region): New method.  Returns true if
2800         a block of memory is contained within a region.
2801         (Script_sections::find_memory_region): New method.  Locates a
2802         memory region to be used to set a VMA or LMA address.
2803         (Output_section_definition::set_section_addresses): Add code to
2804         check for addresses set by memory regions.
2805         (Output_segment::set_section_addresses): Remove memory region
2806         walking code.
2807         (Script_sections::create_segment): Add a warning if a header
2808         segment is created outside of any region.
2809         * script-sections.h (class Script_sections): Add prototypes for
2810         find_memory_region and block_in_region methods.
2811         * testsuite/memory_test.s: Use .long instead of .word.
2812         * testsuite/memory_test.t: Add some more output sections.
2813         * testsuite/memory_test.sh: Update expected output.
2814
2815 2010-10-02  Doug Kwan  <dougkwan@google.com>
2816
2817         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2818         defintion to symtab.h
2819         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2820         declaration to defintion.
2821
2822 2010-10-01  Nick Clifton  <nickc@redhat.com>
2823
2824         * expression.cc (eval): Replace dummy argument with NULL.
2825         (eval_maybe_dot): Check for a NULL result section pointer.
2826         (Symbol_expression::value): Likewise.
2827         (Dot_expression::value): Likewise.
2828         (BINARY_EXPRESSION): Likewise.
2829         (Max_expression::value): Likewise.
2830         (Min_expression::value): Likewise.
2831         (Absolute_expression::value): Likewise.
2832         (Addr_expression::value_from_output_section): Likewise.
2833         (Loaddddr_expression::value_from_output_section): Likewise.
2834         (Segment_start_expression::value): Likewise.
2835         * script-sections.cc
2836         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2837         argument with NULL.
2838         (Sections_elememt_dot_assignment::set_section_addresses):
2839         Likewise.
2840         (Output_data_expression::do_write_to_buffer): Likewise.
2841         (Output_section_definition::finalize_symbols): Likewise.
2842         (Output_section_definition::set_section_addresses): Likewise.
2843
2844 2010-09-30  Doug Kwan  <dougkwan@google.com>
2845
2846         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2847
2848 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2849
2850         * target.h (Target::can_icf_inline_merge_sections): New virtual
2851         function.
2852         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2853         virtual function.
2854         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2855         virtual function.
2856         * icf.cc (get_section_contents): Inline merge sections only when
2857         target allows it.
2858
2859 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2860
2861         * configure: Regenerate.
2862
2863 2010-09-17  Ian Lance Taylor  <iant@google.com>
2864
2865         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2866         * testsuite/Makefile.am (memory_test.o): New target.
2867         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2868         memory_test.t.
2869         * testsuite/Makefile.in: Rebuild.
2870
2871 2010-09-17  Doug Kwan  <dougkwan@google.com>
2872
2873         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2874         defintion if relocation uses GOT entries of the symbol.
2875         * testsuite/icf_safe_test.sh: Fix test.
2876         * testsuite/icf_safe_so_test.sh: Fix test.
2877
2878 2010-09-16  Cary Coutant  <ccoutant@google.com>
2879
2880         * script_sections.cc (class Memory_region): Remove "NULL" from
2881         vector initializations.
2882
2883 2010-09-15  Cary Coutant  <ccoutant@google.com>
2884
2885         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2886         Resolve forwarding symbols.
2887
2888 2010-09-15  Doug Kwan  <dougkwan@google.com>
2889
2890         * gold/testsuite/script_test_3.t: Add ARM special sections.
2891         * gold/testsuite/script_test_4.t: Same.
2892         * gold/testsuite/script_test_5.t: Same.
2893         * gold/testsuite/script_test_6.t: Same.
2894         * gold/testsuite/script_test_7.t: Same.
2895         * gold/testsuite/script_test_7.t: Same.
2896         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2897
2898 2010-09-14  Cary Coutant  <ccoutant@google.com>
2899
2900         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2901         (Target_x86_64::Relocate::relocate_tls): Replace check for
2902         saw_tls_block_reloc_ with test for executable section.
2903
2904 2010-09-12  Cary Coutant  <ccoutant@google.com>
2905
2906         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2907         position-independent executables to shared libraries need dynamic
2908         relocations.
2909         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2910         position-independent executables.
2911         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2912         * testsuite/Makefile.in: Regenerate.
2913
2914 2010-09-10  Nick Clifton  <nickc@redhat.com>
2915
2916         PR gold/11997
2917         * testsuite/memory_test.t: Discard any sections that are not
2918         needed.
2919
2920 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2921
2922         PR gold/11996
2923         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2924         "This::" to work around a bug in gcc 4.2.
2925
2926         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2927
2928 2010-09-09  Rafael Espindola  <espindola@google.com>
2929
2930         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2931         sections with different PF_X flags in the same segment.
2932         (Layout::find_first_load_seg): Search all segments to find the first
2933         one.
2934         * options.h (rosegment): New.
2935
2936 2010-09-08  Rafael Espindola  <espindola@google.com>
2937
2938         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2939
2940 2010-09-08  Doug Kwan  <dougkwan@google.com>
2941
2942         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2943         (Arm_relobj::do_relocate_sections): Add new parameter for output
2944         file to match the parent.
2945         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2946         of local symbols instead of input values.  Update code to track
2947         changes in gold::relocate_section.
2948         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2949         (Sized_relobj::compute_final_local_value_internal): New methods.
2950         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2951         body into private version of Sized_relobj::compute_final_local_value.
2952         Call the inline method.
2953         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2954         merged symbol value if there is one.
2955         (Symbol_value::has_output_value): New method defintiion.
2956         (Sized_relobj::Compute_final_local_value_status): New enum type.
2957         (Sized_relobj::compute_final_local_value): New methods.
2958         (Sized_relobj::compute_final_local_value_internal): New methods.
2959         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2960         and arm_cortex_a8.sh.
2961         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2962         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2963         New tests.
2964         * Makefile.in: Regenerate.
2965         * testsuite/arm_bl_out_of_range.s: Update test.
2966         * testsuite/thumb_bl_out_of_range.s: Ditto.
2967         * testsuite/thumb_blx_out_of_range.s: Ditto.
2968         * testsuite/arm_branch_out_of_range.sh: New file.
2969         * testsuite/arm_cortex_a8.sh: Ditto.
2970         * testsuite/arm_cortex_a8_b.s: Ditto.
2971         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2972         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2973         * testsuite/arm_cortex_a8_bl.s: Ditto.
2974         * testsuite/arm_cortex_a8_blx.s: Ditto.
2975         * testsuite/arm_cortex_a8_local.s: Ditto.
2976         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2977         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2978
2979 2010-09-08  Rafael Espindola  <espindola@google.com>
2980
2981         * Makefile.am (memory_test.stdout): Run readelf with -W.
2982         * Makefile.in: Regenerate.
2983         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2984         64 bit output.
2985
2986 2010-09-08  Rafael Espindola  <espindola@google.com>
2987
2988         * script-sections.cc (Script_sections::add_memory_region): Convert
2989         field precision to int.
2990         * script.cc (script_set_section_region, script_set_section_region):
2991         Convert field precision to int.
2992
2993 2010-09-08  Rafael Espindola  <espindola@google.com>
2994
2995         * arm.cc (do_finalize_sections): Create the __exidx_start and
2996         __exdix_end symbols even when the section is missing.
2997
2998 2010-09-08  Nick Clifton  <nickc@redhat.com>
2999
3000         * README: Remove claim that MEMORY is not supported.
3001         * expression.cc (script_exp_function_origin)
3002         (script_exp_function_length): Move from here to ...
3003         * script.cc: ... here.
3004         (script_set_section_region, script_add_memory)
3005         (script_parse_memory_attr, script_include_directive): New
3006         functions.
3007         * script-sections.cc
3008         (class Memory_region): New class.
3009         (class Output_section_definition): Add set_memory_region,
3010         set_section_vma, set_section_lma and get_section_name methods.
3011         (class Script_Sections): Add add_memory_region,
3012         find_memory_region, find_memory_region_origin,
3013         find_memory_region_length and set_memory_region methods.
3014         Have set_section_addresses method walk the list of set memory
3015         regions.
3016         Extend the print methos to display memory regions.
3017         * script-sections.h: Add prototypes for new methods.
3018         Add enum for MEMORY region attributes.
3019         * yyscript.y: Add support for parsing MEMORY regions.
3020         * script-c.h: Add prototypes for new functions.
3021         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3022         * testsuite/Makefile.in: Regenerate.
3023         * testsuite/memory_test.sh: New script.
3024         * testsuite/memory_test.s: New assembler source file.
3025         * testsuite/memory_test.t: New linker script.
3026
3027 2010-08-27  Doug Kwan  <dougkwan@google.com>
3028
3029         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3030         reference override an existing dynamic weak reference.
3031         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3032         * testsuite/Makefile.in: Regenerate.
3033         * testsuite/dyn_weak_ref.sh: New file.
3034         * testsuite/dyn_weak_ref_1.c: Ditto.
3035         * testsuite/dyn_weak_ref_2.c: Ditto.
3036
3037 2010-08-27  Ian Lance Taylor  <iant@google.com>
3038
3039         * incremental.h (class Incremental_input_entry): Add virtual
3040         destructor.
3041
3042 2010-08-27  Ian Lance Taylor  <iant@google.com>
3043
3044         * testsuite/start_lib_test_3.c: Mark t3 as used.
3045
3046 2010-08-27  Nick Clifton  <nickc@redhat.com>
3047
3048         * options.cc (version_script): Fix small typo in previous
3049         whitespace tidyup.
3050
3051 2010-08-25  Nick Clifton  <nickc@redhat.com>
3052
3053         * archive.cc: Formatting fixes: Remove whitespace between
3054         typename and following asterisk.  Remove whitespace between
3055         function name and opening parenthesis.
3056         * archive.h: Likewise.
3057         * arm.cc: Likewise.
3058         * attributes.cc: Likewise.
3059         * attributes.h: Likewise.
3060         * common.cc: Likewise.
3061         * copy-relocs.cc: Likewise.
3062         * dirsearch.h: Likewise.
3063         * dynobj.cc: Likewise.
3064         * ehframe.cc: Likewise.
3065         * ehframe.h: Likewise.
3066         * expression.cc: Likewise.
3067         * fileread.cc: Likewise.
3068         * fileread.h: Likewise.
3069         * gc.h: Likewise.
3070         * gold-threads.cc: Likewise.
3071         * gold.cc: Likewise.
3072         * i386.cc: Likewise.
3073         * icf.h: Likewise.
3074         * incremental-dump.cc: Likewise.
3075         * incremental.cc: Likewise.
3076         * layout.cc: Likewise.
3077         * layout.h: Likewise.
3078         * main.cc: Likewise.
3079         * merge.cc: Likewise.
3080         * merge.h: Likewise.
3081         * object.cc: Likewise.
3082         * object.h: Likewise.
3083         * options.cc: Likewise.
3084         * options.h: Likewise.
3085         * output.cc: Likewise.
3086         * output.h: Likewise.
3087         * plugin.cc: Likewise.
3088         * plugin.h: Likewise.
3089         * powerpc.cc: Likewise.
3090         * reloc.cc: Likewise.
3091         * script-c.h: Likewise.
3092         * script-sections.cc: Likewise.
3093         * script.cc: Likewise.
3094         * stringpool.cc: Likewise.
3095         * symtab.cc: Likewise.
3096         * symtab.h: Likewise.
3097         * target.cc: Likewise.
3098         * timer.cc: Likewise.
3099         * timer.h: Likewise.
3100         * version.cc: Likewise.
3101         * x86_64.cc: Likewise.
3102
3103 2010-08-24  Nick Clifton  <nickc@redhat.com>
3104
3105         PR 11899
3106         * layout.cc (segment_precedes): Sort segments by their physical
3107         addresses, if they have been set.
3108
3109 2010-08-23  Cary Coutant  <ccoutant@google.com>
3110
3111         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3112         symbols data.
3113         (Lib_group::include_member): Unlock object after deleting its
3114         symbols data.
3115         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3116         the bug fixed here.
3117
3118 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3119             Cary Coutant  <ccoutant@google.com>
3120
3121         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3122         constructor, and set_blocker.
3123         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3124         readsyms_blocker_.
3125         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3126         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3127         * testsuite/Makefile.am (start_lib_test): New test case.
3128         * testsuite/Makefile.in: Regenerate.
3129         * testsuite/start_lib_test_main.c: New file.
3130         * testsuite/start_lib_test_1.c: New file.
3131         * testsuite/start_lib_test_2.c: New file.
3132         * testsuite/start_lib_test_3.c: New file.
3133
3134 2010-08-19  Ian Lance Taylor  <iant@google.com>
3135
3136         * Makefile.in: Rebuild with automake 1.11.1.
3137         * aclocal.m4: Likewise.
3138         * testsuite/Makefile.in: Likewise.
3139
3140 2010-08-19  Ian Lance Taylor  <iant@google.com>
3141
3142         PR 10893
3143         * i386.cc (class Output_data_plt_i386): Update declarations.
3144         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3145         local_ifuncs_ fields.
3146         (Target_i386::do_plt_section_for_global): New function.
3147         (Target_i386::do_plt_section_for_local): New function.
3148         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3149         parameter; change all callers.  Initialize global_ifuncs_ and
3150         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3151         __rel_iplt_end.
3152         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3153         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3154         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3155         symbols.
3156         (Target_i386::make_plt_section): New function, broken out of
3157         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3158         (Target_i386::make_plt_entry): Call make_plt_section.
3159         (Target_i386::make_local_ifunc_plt_entry): New function.
3160         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3161         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3162         R_386_IRELATIVE to switch.
3163         (Target_i386::Scan::global): Likewise.
3164         (Target_i386::Relocate::relocate): Likewise.
3165         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3166         switch.
3167         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3168         (Target_x86_64::do_plt_section_for_global): New function.
3169         (Target_x86_64::do_plt_section_for_local): New function.
3170         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3171         parameter; change all callers.  If doing a static link define
3172         __rela_iplt_start and __rela_iplt_end.
3173         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3174         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3175         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3176         to point to .plt.
3177         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3178         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3179         switch.
3180         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3181         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3182         R_X86_64_IRELATIVE to switch.
3183         (Target_x86_64::Scan::global): Likewise.
3184         (Target_x86_64::Relocate::relocate): Likewise.
3185         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3186         switch.
3187         * target.h (class Target): Add plt_section_for_global and
3188         plt_section_for_local functions.  Add do_plt_section_for_global
3189         and do_plt_section_for_local virtual functions.
3190         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3191         clarifying comments.
3192         (Symbol::use_plt_offset): Handle IFUNC symbol.
3193         * object.cc (Sized_relobj::Sized_relobj): Initialize
3194         local_plt_offsets_.
3195         (Sized_relobj::local_has_plt_offset): New function.
3196         (Sized_relobj::local_plt_offset): New function.
3197         (Sized_relobj::set_local_plt_offset): New function.
3198         (Sized_relobj::do_count): Handle IFUNC symbol.
3199         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3200         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3201         is_ifunc_symbol functions.
3202         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3203         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3204         local_plt_offsets_ field.
3205         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3206         * output.h (class Output_section_data): Add non-const
3207         output_section function.
3208         (class Output_data_got): Update declarations.
3209         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3210         Add use_plt_offset parameter to global and local constructors.
3211         Change all callers.  Change local_sym_index_ field to 31 bits.
3212         Change GSYM_CODE and CONSTANT_CODE accordingly.
3213         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3214         doing a static link don't set sh_link field.
3215         (Output_data_got::Got_entry::write): Use PLT offset if
3216         appropriate.
3217         (Output_data_got::add_global_plt): New function.
3218         (Output_data_got::add_local_plt): New function.
3219         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3220         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3221         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3222         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3223         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3224         IFUNC conditional.
3225         * testsuite/ifunc-sel.h: New file.
3226         * testsuite/ifuncmain1.c: New file.
3227         * testsuite/ifuncmain1vis.c: New file.
3228         * testsuite/ifuncmod1.c: New file.
3229         * testsuite/ifuncdep2.c: New file.
3230         * testsuite/ifuncmain2.c: New file.
3231         * testsuite/ifuncmain3.c: New file.
3232         * testsuite/ifuncmod3.c: New file.
3233         * testsuite/ifuncmain4.c: New file.
3234         * testsuite/ifuncmain5.c: New file.
3235         * testsuite/ifuncmod5.c: New file.
3236         * testsuite/ifuncmain6pie.c: New file.
3237         * testsuite/ifuncmod6.c: New file.
3238         * testsuite/ifuncmain7.c: New file.
3239         * configure, testsuite/Makefile.in: Rebuild.
3240
3241 2010-08-18  Ian Lance Taylor  <iant@google.com>
3242
3243         * incremental.cc
3244         (Output_section_incremental_inputs::write_input_files): Add cast
3245         to avoid signed/unsigned comparison warning.
3246         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3247
3248 2010-08-12  Cary Coutant  <ccoutant@google.com>
3249
3250         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3251
3252 2010-08-13  Ian Lance Taylor  <iant@google.com>
3253
3254         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3255
3256 2010-08-12  Cary Coutant  <ccoutant@google.com>
3257             Doug Kwan  <dougkwan@google.com>
3258
3259         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3260         defintion overrides non-weak undef, remember that the original undef
3261         is not weak.
3262         * symtab.cc (Symbol_table::sized_write_global): For undef without
3263         an original weak binding, set binding to global in output.
3264         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3265         * testsuite/Makefile.in: Regenerate.
3266         * testsuite/strong_ref_weak_def.sh: New file.
3267         * testsuite/strong_ref_weak_def_1.c: Ditto.
3268         * testsuite/strong_ref_weak_def_2.c: Ditto.
3269
3270 2010-08-12  Cary Coutant  <ccoutant@google.com>
3271
3272         * testsuite/incremental_test.sh: Rewrite.
3273         * testsuite/incremental_test_1.c: Rewrite.
3274         * testsuite/incremental_test_2.c: Rewrite.
3275
3276 2010-08-12  Cary Coutant  <ccoutant@google.com>
3277
3278         * arm.cc (Target_arm::got_size): Add const.
3279         (Target_arm::got_entry_count): New function.
3280         (Target_arm::plt_entry_count): New function.
3281         (Target_arm::first_plt_entry_offset): New function.
3282         (Target_arm::plt_entry_size): New function.
3283         (Output_data_plt_arm::entry_count): New function.
3284         (Output_data_plt_arm::first_plt_entry_offset): New function.
3285         (Output_data_plt_arm::get_plt_entry_size): New function.
3286         * i386.cc (Target_i386::got_size): Add const.
3287         (Target_i386::got_entry_count): New function.
3288         (Target_i386::plt_entry_count): New function.
3289         (Target_i386::first_plt_entry_offset): New function.
3290         (Target_i386::plt_entry_size): New function.
3291         (Output_data_plt_i386::entry_count): New function.
3292         (Output_data_plt_i386::first_plt_entry_offset): New function.
3293         (Output_data_plt_i386::get_plt_entry_size): New function.
3294         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3295         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3296         * incremental.cc: Include target.h.
3297         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3298         parameter.  Adjust all callers.  Find incremental_got_plt section.
3299         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3300         section.
3301         (Output_section_incremental_inputs::set_final_data_size): Calculate
3302         size of incremental_got_plt section.
3303         (Output_section_incremental_inputs::do_write): Write the
3304         incremental_got_plt section.
3305         (Got_plt_view_info): New struct.
3306         (Local_got_offset_visitor): New class.
3307         (Global_got_offset_visitor): New class.
3308         (Global_symbol_visitor_got_plt): New class.
3309         (Output_section_incremental_inputs::write_got_plt): New function.
3310         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3311         Add parameter.  Adjust all callers.
3312         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3313         (Incremental_inputs::got_plt_section): New function.
3314         (Incremental_inputs::got_plt_section_): New data member.
3315         (Incremental_got_plt_reader): New class.
3316         * layout.cc (Layout::create_incremental_info_sections): Add the
3317         incremental_got_plt section.
3318         * object.h (Got_offset_list::get_list): New function.
3319         (Got offset_list::for_all_got_offsets): New function.
3320         (Sized_relobj::local_got_offset_list): New function.
3321         * powerpc.cc (Target_powerpc::got_size): Add const.
3322         (Target_powerpc::got_entry_count): New function.
3323         (Target_powerpc::plt_entry_count): New function.
3324         (Target_powerpc::first_plt_entry_offset): New function.
3325         (Target_powerpc::plt_entry_size): New function.
3326         (Output_data_plt_powerpc::entry_count): New function.
3327         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3328         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3329         * sparc.cc (Target_sparc::got_size): Add const.
3330         (Target_sparc::got_entry_count): New function.
3331         (Target_sparc::plt_entry_count): New function.
3332         (Target_sparc::first_plt_entry_offset): New function.
3333         (Target_sparc::plt_entry_size): New function.
3334         (Output_data_plt_sparc::entry_count): New function.
3335         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3336         (Output_data_plt_sparc::get_plt_entry_size): New function.
3337         * symtab.h (Symbol::got_offset_list): New function.
3338         (Symbol_table::for_all_symbols): New function.
3339         * target.h (Sized_target::got_entry_count): New function.
3340         (Sized_target::plt_entry_count): New function.
3341         (Sized_target::plt_entry_size): New function.
3342         * x86_64.cc (Target_x86_64::got_size): Add const.
3343         (Target_x86_64::got_entry_count): New function.
3344         (Target_x86_64::plt_entry_count): New function.
3345         (Target_x86_64::first_plt_entry_offset): New function.
3346         (Target_x86_64::plt_entry_size): New function.
3347         (Output_data_plt_x86_64::entry_count): New function.
3348         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3349         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3350
3351 2010-08-12  Cary Coutant  <ccoutant@google.com>
3352
3353         * archive.cc: Include incremental.h.
3354         (Archive::Archive): Initialize incremental_info_.
3355         (Archive::include_member): Record archive members in incremental info.
3356         (Add_archive_symbols::run): Record begin and end of an archive in
3357         incremental info.
3358         (Lib_group::include_member): Record objects in incremental info.
3359         * archive.h (Incremental_archive_entry): Forward declaration.
3360         (Archive::set_incremental_info): New member function.
3361         (Archive::incremental_info): New member function.
3362         (Archive::Unused_symbol_iterator): New class.
3363         (Archive::unused_symbols_begin): New member function.
3364         (Archive::unused_symbols_end): New member function.
3365         (Archive::incremental_info_): New data member.
3366         * incremental-dump.cc (find_input_containing_global): New function.
3367         (dump_incremental_inputs): Dump new incremental info sections.
3368         * incremental.cc: Include symtab.h.
3369         (Output_section_incremental_inputs): New class.
3370         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3371         new incremental info sections.
3372         (Sized_incremental_binary::do_check_inputs): Likewise.
3373         (Incremental_inputs::report_archive): Remove.
3374         (Incremental_inputs::report_archive_begin): New function.
3375         (Incremental_inputs::report_archive_end): New function.
3376         (Incremental_inputs::report_object): New function.
3377         (Incremental_inputs::finalize_inputs): Remove.
3378         (Incremental_inputs::report_input_section): New function.
3379         (Incremental_inputs::report_script): Rewrite.
3380         (Incremental_inputs::finalize): Do nothing but finalize string table.
3381         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3382         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3383         (Incremental_inputs::create_data_sections): New function.
3384         (Incremental_inputs::relocs_entsize): New function.
3385         (Output_section_incremental_inputs::set_final_data_size): New function.
3386         (Output_section_incremental_inputs::do_write): New function.
3387         (Output_section_incremental_inputs::write_header): New function.
3388         (Output_section_incremental_inputs::write_input_files): New function.
3389         (Output_section_incremental_inputs::write_info_blocks): New function.
3390         (Output_section_incremental_inputs::write_symtab): New function.
3391         * incremental.h (Incremental_script_entry): Forward declaration.
3392         (Incremental_object_entry): Forward declaration.
3393         (Incremental_archive_entry): Forward declaration.
3394         (Incremental_inputs): Forward declaration.
3395         (Incremental_inputs_header_data): Remove.
3396         (Incremental_inputs_header): Remove.
3397         (Incremental_inputs_header_write): Remove.
3398         (Incremental_inputs_entry_data): Remove.
3399         (Incremental_inputs_entry): Remove.
3400         (Incremental_inputs_entry_write): Remove.
3401         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3402         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3403         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3404         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3405         Likewise.
3406         (Incremental_input_entry): New class.
3407         (Incremental_script_entry): New class.
3408         (Incremental_object_entry): New class.
3409         (Incremental_archive_entry): New class.
3410         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3411         (Incremental_inputs::report_inputs): Remove.
3412         (Incremental_inputs::report_archive): Remove.
3413         (Incremental_inputs::report_archive_begin): New function.
3414         (Incremental_inputs::report_archive_end): New function.
3415         (Incremental_inputs::report_object): Change prototype.
3416         (Incremental_inputs::report_input_section): New function.
3417         (Incremental_inputs::report_script): Change prototype.
3418         (Incremental_inputs::get_reloc_count): New function.
3419         (Incremental_inputs::set_reloc_count): New function.
3420         (Incremental_inputs::create_data_sections): New function.
3421         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3422         (Incremental_inputs::inputs_section): New function.
3423         (Incremental_inputs::symtab_section): New function.
3424         (Incremental_inputs::relocs_section): New function.
3425         (Incremental_inputs::get_stringpool): Add const.
3426         (Incremental_inputs::command_line): Add const.
3427         (Incremental_inputs::inputs): Remove.
3428         (Incremental_inputs::command_line_key): New function.
3429         (Incremental_inputs::input_file_count): New function.
3430         (Incremental_inputs::input_files): New function.
3431         (Incremental_inputs::relocs_entsize): New function.
3432         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3433         (Incremental_inputs::finalize_inputs): Remove.
3434         (Incremental_inputs::Input_info): Remove.
3435         (Incremental_inputs::lock_): Remove.
3436         (Incremental_inputs::inputs_): Change type.
3437         (Incremental_inputs::inputs_map_): Remove.
3438         (Incremental_inputs::current_object_entry_): New data member.
3439         (Incremental_inputs::inputs_section_): New data member.
3440         (Incremental_inputs::symtab_section_): New data member.
3441         (Incremental_inputs::relocs_section_): New data member.
3442         (Incremental_inputs::reloc_count_): New data member.
3443         (Incremental_inputs_reader): New class.
3444         (Incremental_symtab_reader): New class.
3445         (Incremental_relocs_reader): New class.
3446         * layout.cc (Layout::finalize): Move finalization of incremental info
3447         and creation of incremental info sections to follow finalization of
3448         symbol table.  Set offsets for postprocessing sections.
3449         (Layout::create_incremental_info_sections): Call
3450         Incremental_inputs::create_data_sections.  Add incremental symtab
3451         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3452         sections to layout after input sections.
3453         * layout.h (struct Timespec): Forward declaration.
3454         (Layout::incremental_inputs): Add const.
3455         (Layout::create_incremental_info_sections): Add parameter.
3456         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3457         * object.cc: Include incremental.h.
3458         (Relobj::finalize_incremental_relocs): New function.
3459         (Sized_relobj::do_layout): Record input sections in incremental info.
3460         * object.h (Object::output_section): New function.
3461         (Object::output_section_offset): Moved from Relobj.
3462         (Object::get_incremental_reloc_base): New function.
3463         (Object::get_incremental_reloc_count): New function.
3464         (Object::do_output_section): New function.
3465         (Object::do_output_section_offset): Moved from Relobj.
3466         (Object::do_get_incremental_reloc_base): New function.
3467         (Object::do_get_incremental_reloc_count): New function.
3468         (Object::Object): Initialize new data members.
3469         (Relobj::output_section): Renamed do_output_section and moved to
3470         protected.
3471         (Relobj::output_section_offset): Moved to Object.
3472         (Relobj::do_get_incremental_reloc_base): New function.
3473         (Relobj::do_get_incremental_reloc_count): New function.
3474         (Relobj::allocate_incremental_reloc_counts): New function.
3475         (Relobj::count_incremental_reloc): New function.
3476         (Relobj::finalize_incremental_relocs): New function.
3477         (Relobj::next_incremental_reloc_index): New function.
3478         (Relobj::reloc_counts_): New data member.
3479         (Relobj::reloc_bases_): New data member.
3480         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3481         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3482         (Sized_relobj::incremental_relocs_scan): New function.
3483         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3484         (Sized_relobj::incremental_relocs_write): New function.
3485         (Sized_relobj::incremental_relocs_write_reltype): New function.
3486         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3487         incremental link.
3488         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3489         archives and object files elsewhere.
3490         (Add_symbols::run): Report object files here.
3491         (Finish_group::run): Report end of archive at end of group.
3492         * reloc.cc: Include layout.h, incremental.h.
3493         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3494         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3495         (Sized_relobj::incremental_relocs_scan): New function.
3496         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3497         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3498         (Sized_relobj::incremental_relocs_write): New function.
3499         (Sized_relobj::incremental_relocs_write_reltype): New function.
3500         * script.cc (read_input_script): Rewrite test for incremental link.
3501         Change call to Incremental_inputs::report_script.
3502         * symtab.h (Symbol_table::first_global_index): New function.
3503         (Symbol_table::output_count): New function.
3504
3505 2010-08-12  Doug Kwan  <dougkwan@google.com>
3506
3507         * arm.cc (Target_arm::merge_object_attributes): Check command line
3508         options --no-wchar-size-warning and --no-enum-size-warning.
3509         * options.h (General_options): Add ld-compatible options
3510         --no-enum-size-warning and --no-wchar-size-warning.
3511
3512 2010-08-04  Ian Lance Taylor  <iant@google.com>
3513
3514         * x86_64.cc (Target_x86_64::Scan::local): Use
3515         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3516         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3517         (Target_x86_64::Scan::global): Likewise.
3518         (Target_x86_64::Relocate::relocate): Likewise.
3519         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3520         Likewise.
3521
3522 2010-08-03  Cary Coutant  <ccoutant@google.com>
3523
3524         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3525         to reserve space in merged_strings vector. Keep total input size
3526         for stats.
3527         (Output_merge_string::do_print_merge_stats): Print total input size.
3528         * merge.h (Output_merge_string): Add input_size_ field.
3529         * stringpool.cc (Stringpool_template::string_length): Move
3530         implementations out of Stringpool_template class and place in
3531         stringpool.h.
3532         * stringpool.h (string_length): Move out of Stringpool_template.
3533
3534 2010-08-03  Ian Lance Taylor  <iant@google.com>
3535
3536         PR 11712
3537         * layout.cc (relaxation_loop_body): If address of load segment is
3538         set, adjust address to include headers if possible.
3539
3540 2010-08-03  Ian Lance Taylor  <iant@google.com>
3541
3542         * version.cc (version_string): Bump to 1.10.
3543
3544 2010-08-03  Ian Lance Taylor  <iant@google.com>
3545
3546         PR 11805
3547         * layout.h (enum Output_section_order): Define.
3548         (class Layout): Update declarations.
3549         * layout.cc (Layout::get_output_section): Add order parameter.
3550         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3551         is_first_non_relro parameters.  Change all callers.
3552         (Layout::choose_output_section): Likewise.
3553         (Layout::add_output_section_data): Likewise.
3554         (Layout::make_output_section): Likewise.  Set order.
3555         (Layout::default_section_order): New function.
3556         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3557         * output.cc (Output_section::Output_section): Initialize order_.
3558         Don't initialize deleted fields.
3559         (Output_segment::Output_segment): Don't initialize deleted
3560         fields.
3561         (Output_segment::add_output_section_to_load): New function
3562         replacing add_output_section.  Change all callers to call this or
3563         add_output_section_to_nonload.
3564         (Output_segment::add_output_section_to_nonload): New function.
3565         (Output_segment::remove_output_section): Rewrite.
3566         (Output_segment::add_initial_output_data): Likewise.
3567         (Output_segment::has_any_data_sections): Likewise.
3568         (Output_segment::is_first_section_relro): Likewise.
3569         (Output_segment::maximum_alignment): Likewise.
3570         (Output_segment::has_dynamic_reloc): New function replacing
3571         dynamic_reloc_count.  Change all callers.
3572         (Output_segment::has_dynamic_reloc_list): New function replacing
3573         dynamic_reloc_count_list.  Change all callers.
3574         (Output_segment::set_section_addresses): Rewrite.
3575         (Output_segment::set_offset): Rewrite.
3576         (Output_segment::find_first_and_last_list): Remove.
3577         (Output_segment::set_tls_offsets): Rewrite.
3578         (Output_segment::first_section_load_address): Likewise.
3579         (Output_segment::output_section_count): Likewise.
3580         (Output_segment::section_with_lowest_load_address): Likewise.
3581         (Output_segment::write_section_headers): Likewise.
3582         (Output_segment::print_sections_to_map): Likewise.
3583         * output.h (class Output_data): Remove dynamic_reloc_count_
3584         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3585         (Output_data::add_dynamic_reloc): Rewrite.
3586         (Output_data::has_dynamic_reloc): New function.
3587         (Output_data::dynamic_reloc_count): Remove.
3588         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3589         is_last_relro_, is_first_non_relro_, is_interp_,
3590         is_dynamic_linker_section_ fields.  Add order and set_order
3591         functions.  Remove is_relro_local, set_is_relro_local,
3592         is_last_relro, set_is_last_relro, is_first_non_relro,
3593         set_is_first_non_relro functions, is_interp, set_is_interp,
3594         is_dynamic_linker_section, and set_is_dynamic_linker_section
3595         functions.
3596         (class Output_segment): Change Output_data_list from std::list to
3597         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3598         output_bss_ fields.  Update declarations.
3599
3600 2010-08-02  Ian Lance Taylor  <iant@google.com>
3601
3602         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3603         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3604         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3605
3606 2010-08-02  Ian Lance Taylor  <iant@google.com>
3607
3608         PR 11855
3609         * script.cc (Script_options::Script_options): Initialize
3610         symbol_definitions_ and symbol_references_.
3611         (Script_options::add_symbol_assignment): Update
3612         symbol_definitions_ and symbol_references_.
3613         (Script_options::add_symbol_reference): New function.
3614         (script_symbol): New function.
3615         * script.h (class Script_options): Add symbol_definitions_ and
3616         symbol_references_ fields.
3617         (Script_options::referenced_const_iterator): New type.
3618         (Script_options::referenced_begin): New function.
3619         (Script_options::referenced_end): New function.
3620         (Script_options::is_referenced): New function.
3621         (Script_options::any_unreferenced): New function.
3622         * script-c.h (script_symbol): Declare.
3623         * yyscript.y (exp): Call script_symbol.
3624         * symtab.cc: Include "script.h".
3625         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3626         Change all callers.  Check symbols referenced by scripts.
3627         (Symbol_table::add_undefined_symbols_from_command_line): Add
3628         layout parameter.  Change all callers.
3629         (Symbol_table::do_add_undefined_symbols_from_command_line):
3630         Likewise.  Break out loop body.  Check symbols referenced by
3631         scripts.
3632         (Symbol_table::add_undefined_symbol_from_command_line): New
3633         function broken out of
3634         do_add_undefined_symbols_from_command_line.
3635         * symtab.h (class Symbol_table): Update declarations.
3636         * archive.cc: Include "layout.h".
3637         (Archive::should_include_member): Add layout parameter.  Change
3638         all callers.  Check for symbol mentioned in expression.
3639         * archive.h (class Archive): Update declaration.
3640         * object.cc (Sized_relobj::do_should_include_member): Add layout
3641         parameter.
3642         * object.h (Object::should_include_member): Add layout parameter.
3643         Change all callers.
3644         (Object::do_should_include_member): Add layout parameter.
3645         (class Sized_relobj): Update declaration.
3646         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3647         parameter.
3648         * dynobj.h (class Sized_dynobj): Update declaration.
3649         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3650         layout parameter.
3651         * plugin.h (class Sized_pluginobj): Update declaration.
3652
3653 2010-08-02  Ian Lance Taylor  <iant@google.com>
3654
3655         PR 11866
3656         * output.cc (Output_segment::set_offset): Search for the first and
3657         last sections rather than assuming that the list is in order.
3658         (Output_segment::find_first_and_last_list): New function.
3659         * output.h (class Output_segment): Update declarations.
3660         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3661         (relro_strip_test_SOURCES): New variable.
3662         (relro_strip_test_DEPENDENCIES): New variable.
3663         (relro_strip_test_LDFLAGS): New variable.
3664         (relro_strip_test_LDADD): New variable.
3665         (relro_strip_test.so): New target.
3666
3667 2010-08-02  Ian Lance Taylor  <iant@google.com>
3668
3669         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3670         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3671         (Target_i386::got_tlsdesc_section): New function.
3672         (Target_i386::got_section): Create space for GOT entries for
3673         TLSDESC relocations.
3674         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3675         R_386_TLS_GOTDESC.
3676         (Target_i386::Scan::global): Likewise.
3677         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3678         using TLSDESC GOT.
3679         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3680         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3681         (Target_x86_64::got_tlsdesc_section): New function.
3682         (Target_x86_64::got_section): Create space for GOT entries for
3683         TLSDESC relocations.
3684         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3685         R_386_TLS_GOTDESC.
3686         (Target_x86_64::Scan::global): Likewise.
3687         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3688         using TLSDESC GOT.
3689
3690 2010-08-02  Ian Lance Taylor  <iant@google.com>
3691
3692         * testsuite/final_layout.sh: Use dc to convert from hex to
3693         decimal.
3694
3695 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3696
3697         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3698         paramter to the call to gold::gc_process_relocs.
3699         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3700         paramter to the call to gold::gc_process_relocs.
3701         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3702         parameter to the call to gold::gc_process_relocs.
3703         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3704         template parameter to the call to gold::gc_process_relocs.
3705         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3706         paramter to the call to gold::gc_process_relocs.
3707         * gc.h (get_embedded_addend_size): New function.
3708         (gc_process_relocs): Save the size of the reloc for use by ICF.
3709         * icf.cc (get_section_contents): Get the addend from the text section
3710         for SHT_REL relocation sections.
3711         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3712         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3713         * int_encoding.h (read_from_pointer): New overloaded function.
3714         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3715         * testsuite/icf_sht_rel_addend_test.sh: New file.
3716         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3717         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3718
3719 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3720
3721         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3722         * Makefile.in: Regenerate.
3723         * testsuite/Makefile.in: Regenerate.
3724
3725 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3726
3727         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3728         * gold/testsuite/debug_msg.cc: Likewise.
3729         * gold/testsuite/odr_violation1.cc
3730         * gold/testsuite/odr_violation2.cc
3731
3732 2010-07-21  Cary Coutant  <ccoutant@google.com>
3733
3734         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3735         string, and length fields.
3736         (Output_merge_string::Merged_strings_list): New type.
3737         (Output_merge_string::Merged_strings_lists): New typedef.
3738         (Output_merge_string): Replace merged_strings_ with
3739         merged_strings_lists_.
3740         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3741         Merged_strings_list per input object and section.  Don't store pointer
3742         to the string.  Don't store length with each merged string entry.
3743         (Output_merge_string::finalize_merged_data): Loop over list of merged
3744         strings lists.  Recompute length of each merged string.
3745
3746 2010-07-15  Cary Coutant  <ccoutant@google.com>
3747
3748         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3749         here.
3750
3751 2010-07-14  Ian Lance Taylor  <iant@google.com>
3752
3753         * descriptors.cc (Descriptors::open): Report correct name in error
3754         message.
3755
3756 2010-07-13  Doug Kwan  <dougkwan@google.com>
3757
3758         * arm.cc (Arm_input_section::Arm_input_section): For a
3759         SHT_ARM_EXIDX section, always keeps the input sections.
3760         (Arm_input_section::set_exidx_section_link): New method.
3761         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3762         has_errors_ to false.
3763         (Arm_exidx_input_section::has_errors,
3764         Arm_exidx_input_section::set_has_errors): New methods.
3765         (Arm_exidx_input_section::has_errors_): New data member.
3766         (Arm_relobj::get_exidx_shndx_list): New method.
3767         (Arm_output_section::append_text_sections_to_list): Do not skip
3768         section without SHF_EXECINSTR.
3769         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3770         errors.
3771         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3772         section header.  Make error messages more verbose.  Check for
3773         a non-executable section linked to an EXIDX section.
3774         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3775         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3776         check that there is no deferred EXIDX section if we exit early.
3777         Instead of not making an EXIDX section in case of an error, make one
3778         and set the has_errors flag of it.
3779         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3780         in a relocatable link.
3781         (Target_arm::do_relax): Look for the EXIDX output section instead of
3782         assuming that it is called .ARM.exidx.
3783         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3784         section list.  Do not check for SHF_EXECINSTR section flags but
3785         skip any input section with errors.
3786         * output.cc (Output_section::Output_section): Initialize
3787         always_keeps_input_sections_ to false.
3788         (Output_section::add_input_section): Check for
3789         always_keeps_input_sections_.
3790         *  output.h (Output_section::always_keeps_input_sections,
3791         Output_section::set_always_keeps_input_sections): New methods.
3792         (Output_section::always_keeps_input_sections): New data member.
3793
3794 2010-07-13  Rafael Espindola  <espindola@google.com>
3795
3796         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3797         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3798
3799 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3800             Ian Lance Taylor  <iant@google.com>
3801
3802         * output.h (Output_section_lookup_maps::add_merge_section):
3803         Correct check of whether value was inserted.
3804         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3805         (Output_section_lookup_maps::add_relaxed_input_section):
3806         Likewise.
3807         * arm.cc (Target_arm::got_section): Remove used local os.
3808         * i386.cc (Target_i386::got_section): Likewise.
3809         * x86_64.cc (Target_x86_64::got_section): Likewise.
3810         * sparc.cc (Target_sparc::got_section): Likewise.
3811         (Target_sparc::relocate): Remove unused local have_got_offset.
3812         * powerpc.cc (Target_powerpc::relocate): Likewise.
3813
3814 2010-07-13  Ian Lance Taylor  <iant@google.com>
3815
3816         * compressed_output.cc (zlib_decompress): Fix signature in
3817         !HAVE_ZLIB_H case.
3818
3819         * archive.cc (Archive::include_member): Unlock an external member
3820         of a thin archive.  Don't bother to delete an object we know is
3821         NULL.
3822
3823 2010-07-12  Cary Coutant  <ccoutant@google.com>
3824
3825         * compressed_output.cc (zlib_decompress): New function.
3826         (get_uncompressed_size): New function.
3827         (decompress_input_section): New function.
3828         * compressed_output.h (get_uncompressed_size): New function.
3829         (decompress_input_section): New function.
3830         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3831         Handle compressed debug sections.
3832         * layout.cc (is_compressed_debug_section): New function.
3833         (Layout::output_section_name): Map compressed section names to
3834         canonical names.
3835         * layout.h (is_compressed_debug_section): New function.
3836         (is_debug_info_section): Recognize compressed debug sections.
3837         * merge.cc: Include compressed_output.h.
3838         (Output_merge_data::do_add_input_section): Handle compressed
3839         debug sections.
3840         (Output_merge_string::do_add_input_section): Handle compressed
3841         debug sections.
3842         * object.cc: Include compressed_output.h.
3843         (Sized_relobj::Sized_relobj): Initialize new data members.
3844         (build_compressed_section_map): New function.
3845         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3846         * object.h (Object::section_is_compressed): New method.
3847         (Object::do_section_is_compressed): New method.
3848         (Sized_relobj::Compressed_section_map): New type.
3849         (Sized_relobj::do_section_is_compressed): New method.
3850         (Sized_relobj::compressed_sections_): New data member.
3851         * output.cc (Output_section::add_input_section): Handle compressed
3852         debug sections.
3853         * reloc.cc: Include compressed_output.h.
3854         (Sized_relobj::write_sections): Handle compressed debug sections.
3855
3856 2010-07-08  Cary Coutant  <ccoutant@google.com>
3857
3858         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3859         weak when resolving to a dynamic def.
3860         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3861         for weak undef/dynamic def cases. Adjust callers.
3862         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3863         undef_binding_weak_.
3864         (Symbol_table::sized_write_globals): Adjust symbol binding.
3865         (Symbol_table::sized_write_symbol): Add binding parameter.
3866         * symtab.h (Symbol::set_undef_binding): New method.
3867         (Symbol::is_undef_binding_weak): New method.
3868         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3869         (Symbol_table::should_override): Add new parameter.
3870         (Symbol_table::sized_write_symbol): Add new parameter.
3871
3872         * testsuite/weak_undef_file1.cc: Add new test case.
3873         * testsuite/weak_undef_file2.cc: Fix header comment.
3874         * testsuite/weak_undef_test.cc: Add new test case.
3875
3876 2010-06-29  Doug Kwan  <dougkwan@google.com>
3877
3878         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3879         Initialize USE_SYMBOL_.
3880         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3881         definition.
3882         (Arm_reloc_property::uses_symbol_): New data member declaration.
3883         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3884         uses symbol value and symbol is undefined but not weakly undefined.
3885
3886 2010-06-28  Rafael Espindola  <espindola@google.com>
3887
3888         * plugin.cc (Plugin::load): Use dlerror.
3889
3890 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3891
3892         * symtab.cc (detect_odr_violations): When reporting an ODR
3893         violation, report an object where the symbol is defined.
3894
3895 2010-06-25  Doug Kwan  <dougkwan@google.com>
3896
3897         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3898         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3899         definition.
3900         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3901         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3902         target hook to detect function points.
3903         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3904         * icf.h (Icf::check_section_for_function_pointers): Change type of
3905         parameter SECTION_NAME to const reference to std::string.  Use
3906         target hook to determine if section may have unsafe pointers.
3907         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3908         method definition.
3909
3910 2010-06-21  Rafael Espindola  <espindola@google.com>
3911
3912         * fileread.cc (Input_file::find_fie): New
3913         (Input_file::open): Use Input_file::find_fie.
3914         * fileread.h (Input_file::find_fie): New
3915         * plugin.cc (set_extra_library_path): New.
3916         (Plugin::load): Add set_extra_library_path to the transfer vector.
3917         (Plugin_manager::set_extra_library_path): New.
3918         (Plugin_manager::add_input_file): Use the extra search path if set.
3919         (set_extra_library_path(): New.
3920         * plugin.h (Plugin_manager): Add set_extra_library_path and
3921         extra_search_path_.
3922
3923 2010-06-19  Cary Coutant  <ccoutant@google.com>
3924
3925         * layout.cc (gdb_sections): Add .debug_types.
3926         (lines_only_debug_sections): Likewise.
3927
3928 2010-06-18  Rafael Espindola  <espindola@google.com>
3929
3930         * plugin.cc (add_input_file,add_input_library)
3931         (Plugin_manager::add_input_file): Make filename arguments const.
3932         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3933         const.
3934
3935 2010-06-16  Doug Kwan  <dougkwan@google.com>
3936
3937         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3938         .ARM.attributes section if we have not merged any input
3939         attributes sections.
3940
3941 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3942
3943         * arm.cc: Allow combining objects with no EABI version
3944         information.
3945
3946 2010-06-15  Rafael Espindola  <espindola@google.com>
3947
3948         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3949
3950 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3951
3952         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3953         (struct iovec): Correct !HAVE_READV definition.
3954
3955 2010-06-10  Cary Coutant  <ccoutant@google.com>
3956
3957         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3958         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3959         reloc sections.
3960         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3961
3962         PR 11683
3963         * symtab.h (Symbol::is_placeholder): New member function.
3964         * target-reloc.h (relocate_section): Check for placeholder symbols.
3965
3966         * testsuite/Makefile.am (plugin_test_8): New test.
3967         (plugin_test_9): New test.
3968         * testsuite/Makefile.in: Regenerate.
3969
3970 2010-06-09  Nick Clifton  <nickc@redhat.com>
3971
3972         * yyscript.y (input_list_element): Allow strings prefixed with
3973         the '-' character.  Treat these as libraries.
3974         * script.cc (script_add_library): New function.  Adds a library
3975         specified by "-l<name>" found in an input script.
3976         * script-c.h: Add prototype for script_add_library.
3977
3978 2010-06-07  Doug Kwan  <dougkwan@google.com>
3979
3980         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3981         Restrict stub-group size to be within long conditional branch
3982         range when working around cortex-A8 erratum.
3983
3984 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3985
3986         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3987         #ifdef typo.
3988
3989 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3990
3991         PR gold/11658
3992         * output.cc
3993         (Output_section::Input_section_sort_entry::compare_section_ordering):
3994         Change to return non-zero correctly.
3995         (Output_section::Input_section_sort_section_order_index_compare
3996         ::operator()): Change to fix ambiguity in comparisons.
3997
3998 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3999
4000         * gold.h (is_wildcard_string): New function.
4001         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4002         (Layout::layout_eh_frame): Ditto.
4003         (Layout::find_section_order_index): New method.
4004         (Layout::read_layout_from_file): New method.
4005         * layout.h (Layout::find_section_order_index): New method.
4006         (Layout::read_layout_from_file): New method.
4007         (Layout::input_section_position_): New private member.
4008         (Layout::input_section_glob_): New private member.
4009         * main.cc (main): Call read_layout_from_file here.
4010         * options.h (--section-ordering-file): New option.
4011         * output.cc (Output_section::input_section_order_specified_): New
4012         member.
4013         (Output_section::Output_section): Initialize new member.
4014         (Output_section::add_input_section): Add new parameter.
4015         Keep input sections when --section-ordering-file is used.
4016         (Output_section::set_final_data_size): Sort input sections when
4017         section ordering file is specified.
4018         (Output_section::Input_section_sort_entry): Add new parameter.
4019         Check sorting type.
4020         (Output_section::Input_section_sort_entry::compare_section_ordering):
4021         New method.
4022         (Output_section::Input_section_sort_compare::operator()): Change to
4023         consider section_order_index.
4024         (Output_section::Input_section_sort_init_fini_compare::operator()):
4025         Change to consider section_order_index.
4026         (Output_section::Input_section_sort_section_order_index_compare
4027         ::operator()): New method.
4028         (Output_section::sort_attached_input_sections): Change to sort
4029         according to section order when specified.
4030         (Output_section::add_input_section<32, true>): Add new parameter.
4031         (Output_section::add_input_section<64, true>): Add new parameter.
4032         (Output_section::add_input_section<32, false>): Add new parameter.
4033         (Output_section::add_input_section<64, false>): Add new parameter.
4034         * output.h (Output_section::add_input_section): Add new parameter.
4035         (Output_section::input_section_order_specified): New
4036         method.
4037         (Output_section::set_input_section_order_specified): New method.
4038         (Input_section::Input_section): Initialize section_order_index_.
4039         (Input_section::section_order_index): New method.
4040         (Input_section::set_section_order_index): New method.
4041         (Input_section::section_order_index_): New member.
4042         (Input_section::Input_section_sort_section_order_index_compare): New
4043         struct.
4044         (Output_section::input_section_order_specified_): New member.
4045         * script-sections.cc (is_wildcard_string): Delete and move modified
4046         method to gold.h.
4047         (Output_section_element_input::Output_section_element_input): Modify
4048         call to is_wildcard_string.
4049         (Output_section_element_input::Input_section_pattern
4050         ::Input_section_pattern): Ditto.
4051         (Output_section_element_input::Output_section_element_input): Ditto.
4052         * testsuite/Makefile.am (final_layout): New test case.
4053         * testsuite/Makefile.in: Regenerate.
4054         * testsuite/final_layout.cc: New file.
4055         * testsuite/final_layout.sh: New file.
4056
4057 2010-06-01  Rafael Espindola  <espindola@google.com>
4058
4059         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4060
4061 2010-06-01  Rafael Espindola  <espindola@google.com>
4062
4063         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4064         visibility of symbols.
4065
4066 2010-05-27  Doug Kwan  <dougkwan@google.com>
4067
4068         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4069         from start of output section instead of address for a local symbol
4070         in a merged or relaxed section when doing a relocatable link.
4071
4072 2010-05-26  Rafael Espindola  <espindola@google.com>
4073
4074        PR 11604
4075         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4076         adding sections the garbage collector removed.
4077         * gold/testsuite/Makefile.am: Add test.
4078         * gold/testsuite/Makefile.in: Regenerate.
4079         * gold/testsuite/plugin_test_7.sh: New.
4080         * gold/testsuite/plugin_test_7_1.c: New.
4081         * gold/testsuite/plugin_test_7_2.c: New.
4082
4083 2010-05-26  Rafael Espindola  <espindola@google.com>
4084
4085         * script-sections.cc (Output_section_definition::set_section_addresses):
4086         Check for --section-start.
4087
4088 2010-05-26  Doug Kwan  <dougkwan@google.com>
4089
4090         * arm.cc (Arm_scan_relocatable_relocs): New class.
4091         (Target_arm::relocate_special_relocatable): New method.
4092         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4093         (Arm_relocate_functions::thumb_branch_common): Same.
4094         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4095         instead of Default_scan_relocatable_relocs.
4096         * target-reloc.h (relocate_for_relocatable): Let target handle
4097         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4098         * target.h (Sized_target::relocate_special_relocatable): New method.
4099
4100 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4101
4102         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4103
4104 2010-05-23  Doug Kwan  <dougkwan@google.com>
4105
4106         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4107         instead of a cast.
4108         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4109         with a direct branch, not a conditional branch, to a stub.
4110         * merge.cc (Output_merge_base::record_input_section): New method
4111         defintion.
4112         (Output_merge_data::do_add_input_section): Record input section if
4113         keeps-input-sections flag is set.
4114         (Output_merge_string::do_add_input_section): Ditto.
4115         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4116         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4117         INPUT_SECTIONS_.
4118         (Output_merge_base::keeps_input_sections,
4119         Output_merge_base::set_keeps_input_sections,
4120         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4121         method definitions.
4122         (Output_merge_base::Input_sections): New type declaration.
4123         (Output_merge_base::input_sections_begin,
4124         Output_merge_base::input_sections_end,
4125         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4126         (Output_merge_base::bool keeps_input_sections_,
4127         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4128         Output_merge_base::input_sections_): New data members.
4129         (Output_merge_data::do_set_keeps_input_sections): New method
4130         defintion.
4131         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4132         * output.cc (Output_section::Input_section::relobj): Move method
4133         defintion from class declaration to here and handle merge sections.
4134         (Output_section::Input_section::shndx): Ditto.
4135         (Output_section::Output_section): Remove initializations of removed
4136         data members and initialize new data member LOOKUP_MAPS_.
4137         (Output_section::add_input_section): Set keeps-input-sections flag
4138         for a newly created merge output section as appropriate.  Adjust code
4139         to use Output_section_lookup_maps class.
4140         (Output_section::add_relaxed_input_section): Adjst code for lookup
4141         maps code refactoring.
4142         (Output_section::add_merge_input_section): Add a new parameter
4143         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4144         class.  If adding input section to a newly created merge output
4145         section fails, remove the new merge section.
4146         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4147         Adjust code for use of the Output_section_lookup_maps class.
4148         (Output_section::find_merge_section): Ditto.
4149         (Output_section::build_lookup_maps): New method defintion.
4150         (Output_section::find_relaxed_input_section): Adjust code to use
4151         Output_section_lookup_maps class.
4152         (Output_section::get_input_sections): Export merge sections.  Adjust
4153         code to use Output_section_lookup_maps class.
4154         (Output_section:::add_script_input_section): Adjust code to use
4155         Output_section_lookup_maps class.  Update lookup maps for merge
4156         sections also.
4157         (Output_section::discard_states): Use Output_section_lookup_maps.
4158         (Output_section::restore_states): Same.
4159         * output.h (Merge_section_properties): Move class defintion out of
4160         Output_section.
4161         (Output_section_lookup_maps): New class.
4162         (Output_section::Input_section::is_merge_section): New method
4163         defintion.
4164         (Output_section::Input_section::relobj): Move defintion out of class
4165         defintion.  Declare method only.
4166         (Output_section::Input_section::shndx): Ditto.
4167         (Output_section::Input_section::output_merge_base): New method defintion.
4168         (Output_section::Input_section::u2_.pomb): New union field.
4169         (Output_section::Merge_section_by_properties_map,
4170         Output_section::Output_section_data_by_input_section_map,
4171         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4172         Remove types.
4173         (Output_section::add_merge_input_section): Add new parameter
4174         KEEPS_INPUT_SECTIONS.
4175         (Output_section::build_lookup_maps): New method declaration.
4176         (Output_section::merge_section_map_,
4177         Output_section::merge_section_by_properties_map_,
4178         Output_section::relaxed_input_section_map_,
4179         Output_section::is_relaxed_input_section_map_valid_): Remove data
4180         members.
4181         (Output_section::lookup_maps_): New data member.
4182
4183 2010-05-21  Doug Kwan  <dougkwan@google.com>
4184
4185         PR gold/11619
4186         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4187         avoid a compilation error.
4188
4189 2010-05-19  Rafael Espindola  <espindola@google.com>
4190
4191         * script-sections.cc (Output_section_definition::allocate_to_segment):
4192         Update the phdrs_list even when the output section is NULL.
4193         * testsuite/Makefile.am: Add test.
4194         * testsuite/Makefile.in: Regenerate.
4195         * testsuite/script_test_9.cc: New.
4196         * testsuite/script_test_9.sh: New.
4197         * testsuite/script_test_9.t: New.
4198
4199 2010-05-19  Doug Kwan  <dougkwan@google.com>
4200
4201         * arm.cc (Arm_input_section::original_size): New method.
4202         (Arm_input_section::do_addralign): Add a cast.
4203         (Arm_input_section::do_output_offset): Remove static cast.
4204         (Arm_input_section::original_addralign,
4205          Arm_input_section::original_size_): Change type to uint32_t.
4206         (Arm_input_section::init): Add safe casts for section alignment
4207         and size.
4208         (Arm_input_section::set_final_data_size): Do not set address and
4209         offset of stub table.
4210         (Arm_output_section::fix_exidx_coverage): Change use of of
4211         Output_section::Simple_input_section to that of
4212         Output_section::Input_section.
4213         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4214         except for the first pass.
4215         * output.cc (Output_section::get_input_sections): Change type of
4216         input_sections to std::list<Input_section>.
4217         (Output_section::add_script_input_section): Rename from
4218         Output_section::add_simple_input_section.  Change type of SIS
4219         parameter from Simple_input_section to Input_section.
4220         * output.h (Output_section::Simple_input_section): Remove class.
4221         (Output_section::Input_section): Change class visibility to public.
4222         (Output_section::Input_section::addralign): Use stored alignments
4223         for special input sections if set.
4224         (Output_section::Input_section::set_addralign): New method.
4225         (Output_section::get_input_sections): Change parameter type from
4226         list of Simple_input_section to list of Input_section.
4227         (Output_section::add_script_input_section): Rename from
4228         Output_section::add_simple_input_section. Change first parameter's
4229         type from Simple_input_section to Input_section and remove the
4230         second and third parameters.
4231         * script-sections.cc (Input_section::Input_section_list): Change
4232         type to list of Output_section::Input_section/
4233         (Input_section_info::Input_section_info): Change parameter type of
4234         INPUT_SECTION to Output_section::Input_section.
4235         (Input_section_info::input_section): Change return type.
4236         (Input_section_info::input_section_): Change type to
4237         Output_section::Input_section.
4238         (Output_section_element_input::set_section_addresses): Adjust code
4239         to use Output_section::Input_section instead of
4240         Output_section::Simple_input_section.  Adjust code for renaming
4241         of Output_section::add_simple_input_section.
4242         (Orphan_output_section::set_section_addresses): Ditto.
4243
4244 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4245
4246         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4247         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4248
4249 2010-05-18  Rafael Espindola  <espindola@google.com>
4250
4251         * options.cc (General_options::finalize): Handle -nostdlib.
4252         * options.h (nostdlib): New option.
4253         * script.cc (script_add_search_dir): Handle -nostdlib.
4254
4255 2010-05-12  Doug Kwan  <dougkwan@google.com>
4256
4257         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4258         attributes section only if there no attributes section after merging.
4259         (Target_arm::merge_object_attributes): Move value of
4260         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4261         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4262         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4263         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4264         and arm_attr_merge_7.stdout.
4265         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4266         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4267         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4268         arm_attr_merge_7b.o): New rules.
4269         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4270         arm_attr_merge_7
4271         * testsuite/Makefile.in: Regenerate.
4272         * testsuite/arm_attr_merge.sh: New file.
4273         * testsuite/arm_attr_merge_[67][ab].s: Same.
4274
4275 2010-05-05  Nick Clifton  <nickc@redhat.com>
4276
4277         * po/es.po: Updated Spanish translation.
4278
4279 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4280
4281         * Makefile.am (install-exec-local): Properly install gold as
4282         default cross linker.
4283         * Makefile.in: Regenerated.
4284
4285 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4286             Nick Clifton  <nickc@redhat.com>
4287
4288         * configure.ac (install_as_default): Define and set to false
4289         unless --enable-gold or --enable-gold=both/gold has been
4290         specified.
4291         * configure: Regenerate.
4292
4293         * Makefile.am (install-exec-local): Install the executable as
4294         'ld.gold'.  If install_as_default is true then also install it as
4295         'ld'.
4296         * Makefile.in: Regenerated.
4297
4298 2010-04-24  Ian Lance Taylor  <iant@google.com>
4299
4300         * layout.cc (Layout::layout_reloc): In relocatable link don't
4301         combine reloc sections for grouped sections.
4302
4303 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4304
4305         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4306         sections that are not ordinary to icf.
4307         * icf.cc (get_section_contents): Handle relocation pointing to section
4308         with no object or shndx information.
4309         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4310         * testsuite/Makefile.in: Regenerate.
4311         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4312         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4313
4314 2010-04-22  Ian Lance Taylor  <iant@google.com>
4315
4316         * expression.cc (Expression::Expression_eval_info): Add
4317         result_alignment_pointer field.
4318         (Expression::eval_with_dot): Add result_alignment_pointer
4319         parameter.  Change all callers.
4320         (Expression::eval_maybe_dot): Likewise.
4321         (class Binary_expression): Add alignment_pointer parameter to
4322         left_value and right_value.  Change all callers.
4323         (BINARY_EXPRESSION): Set result alignment.
4324         (class Trinary_expression): Add alignment_pointer parameter to
4325         arg2_value and arg3_value.  Change all callers.
4326         (Trinary_cond::value): Set result alignment.
4327         (Max_expression::value, Min_expression::value): Likewise.
4328         (Align_expression::value): Likewise.
4329         * script-sections.cc (class Sections_element): Add dot_alignment
4330         parameter to set_section_addresses virtual function.  Update
4331         instantiations.
4332         (class Output_section_element): Likewise.
4333         (Script_sections::create_segments): Add dot_alignment parameter.
4334         Change all callers.
4335         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4336         (Script_sections::set_phdrs_clause_addresses): Likewise.
4337         * script-sections.h: Update declarations.
4338         * script.h: Update declarations.
4339         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4340         min_p_align.
4341         * testsuite/script_test_3.t: Set large alignment.
4342         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4343         segment has expected alignment.
4344
4345 2010-04-22  Nick Clifton  <nickc@redhat.com>
4346
4347         * po/gold.pot: Updated by the Translation project.
4348         * po/vi.po: Updated Vietnamese translation.
4349
4350 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4351
4352         * testsuite/Makefile.am (check_PROGRAMS): Add
4353         icf_virtual_function_folding_test.
4354         * testsuite/Makefile.in: Regenerated.
4355
4356 2010-04-15  Andrew Haley  <aph@redhat.com>
4357
4358         * options.h (merge_exidx_entries): New option.
4359         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4360         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4361         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4362         (Target_arm::merge_exidx_entries): New function.
4363         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4364         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4365         to Arm_exidx_fixup constructor.
4366         Add new arg, merge_exidx_entries.
4367         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4368         Arm_output_section::fix_exidx_coverage.
4369
4370 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4371
4372         * icf.cc (get_section_contents): Check for preemptible functions.
4373         Ignore addend when appropriate.
4374         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4375         section folded.
4376         (add_from_relobj): Check for section folded.
4377         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4378         * symtab.h (should_add_dynsym_entry): Add new parameter.
4379         * target-reloc.h (scan_relocs): Check for section folded.
4380         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4381         Check reloc types for function pointers in shared objects.
4382         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4383         case.
4384         (icf_preemptible_functions_test): New test case.
4385         (icf_string_merge_test): New test case.
4386         * testsuite.Makefile.in: Regenerate.
4387         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4388         bar_glob.  Refactor code.
4389         * testsuite/icf_preemptible_functions_test.cc: New file.
4390         * testsuite/icf_preemptible_functions_test.sh: New file.
4391         * testsuite/icf_string_merge_test.cc: New file.
4392         * testsuite/icf_string_merge_test.sh: New file.
4393         * testsuite/icf_virtual_function_folding_test.cc: New file.
4394         * testsuite/icf_virtual_function_folding_test.sh: New file.
4395
4396 2010-04-14  Doug Kwan  <dougkwan@google.com>
4397
4398         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4399         for local symbol recounting if we remove a section due to ICF.
4400         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4401         there are no regular objects in input.
4402
4403 2010-04-13  Doug Kwan  <dougkwan@google.com>
4404
4405         * arm.cc (Arm_input_section::set_final_data_size): Compute
4406         accurate final data size instead of using current data size.
4407
4408 2010-04-09  Doug Kwan  <dougkwan@google.com>
4409
4410         * layout.cc (Layout::choose_output_section): Handle script section
4411         types.
4412         (Layout::make_output_section_for_script): Add section type parameter.
4413         Handle script section types.
4414         * layout.h (Layout::make_output_section_for_script): Add section
4415         type parameter.
4416         * output.cc (Output_section::Output_section): Initialize data member
4417         is_noload_.
4418         (Output_section::do_reset_address_and_file_offset): Do not set address
4419         to 0 if section is a NOLOAD section.
4420         * output.h (Output_section::is_noload): New method.
4421         (Output_section::set_is_noload): Ditto.
4422         (Output_section::is_noload_): New data member.
4423         * script-c.h (Script_section_type): New enum type.
4424         (struct Parser_output_section_header): Add new file section_type.
4425         * script-sections.cc (Sections_element::output_section_name): Add
4426         parameter for returning script section type.
4427         (Output_section_definition::output_section_name): Ditto.
4428         (Output_section_definition::section_type)P; New method.
4429         (Output_section_definiton::script_section_type_name): Ditto.
4430         (Output_section_definition::script_section_type_): New data member.
4431         (Output_section_definition::Output_section_definition): Initialize
4432         data member Output_section_definition::script_section_type_.
4433         (Output_section_definition::create_sections): Pass script section type
4434         to Layout::make_output_section_for_script.
4435         (Output_section_definition::output_section_name): Return script
4436         section type to caller.
4437         (Output_section_definition::set_section_address): Do not advance
4438         dot value and load address if section type is NOLOAD.  Set address
4439         of NOLOAD sections regardless of section flags.
4440         (Output_section_definition::print): Print section type if it is
4441         not SCRIPT_SECTION_TYPE_NONE.
4442         (Output_section_definition::section_type): New method.
4443         (Output_section_definition::script_section_type_name): Ditto.
4444         (Script_sections::output_section_name): Add new parameter
4445         PSECTION_TYPE for returning script section type.  Pass it to
4446         section elements.  Handle discard sections.
4447         (Sort_output_sections::operator()): Handle NOLOAD sections.
4448         * script-sections.h (Script_sections::Section_type): New enum type.
4449         (Script_sections::output_section_name): Add a new parameter for
4450         returning script section type.
4451         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4452         INFO and NOLOAD.
4453         * yyscript.y (union): Add new field SECTION_TYPE.
4454         (COPY, DSECT, INFO, NOLOAD): New tokens.
4455         (opt_address_and_section_type): Change type to output_section_header.
4456         (section_type): New non-terminal
4457         (section_header): Handle section type.
4458         (opt_address_and_section_type): Return section type value.
4459
4460 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4461
4462         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4463         * testsuite/plugin_common_test_2.c (foo): Likewise.
4464
4465 2010-04-08  Doug Kwan  <dougkwan@google.com>
4466
4467         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4468         Output_merge_data.
4469         * output.cc (Output_section::add_merge_input_section): Simplify
4470         code and return status of Output_merge_base::add_input_section.
4471         Update merge section map only if Output_merge_base::add_input_section
4472         returns true.
4473
4474 2010-04-07  Doug Kwan  <dougkwan@google.com>
4475
4476         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4477         if section is marked as containing instructions but has no mapping
4478         symbols.
4479         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4480         correct section index.
4481         (Arm_relobj::find_linked_text_section): Ditto.
4482
4483 2010-04-07  Cary Coutant  <ccoutant@google.com>
4484
4485         * archive.cc (include_member): Destroy Read_symbols_data object before
4486         releasing file.
4487         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4488         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4489         (Read_symbols_data::~Read_symbols_data) New destructor.
4490         (Section_relocs::Section_relocs) New constructor.
4491         (Section_relocs::~Section_relocs) New destructor.
4492         (Read_relocs_data::Read_relocs_data) New constructor.
4493         (Read_relocs_data::~Read_relocs_data) New destructor.
4494         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4495         pointers to NULL after deleting.
4496
4497 2010-04-07  Doug Kwan  <dougkwan@google.com>
4498
4499         * arm.cc: Replace "endianity" with "endianness" in comments.
4500         (Arm_exidx_cantunwind): Ditto.
4501         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4502         (Arm_relobj::merge_flags_and_attributes): New method.
4503         (Arm_relobj::merge_flags_and_attributes_): New data member.
4504         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4505         (Arm_relobj::scan_sections_for_stubs): Ditto.
4506         (Arm_relobj::do_read_symbols): Check to see if we really want to
4507         merge processor-specific flags and attributes.  Exit early if
4508         an object is empty except for section names and the undefined symbol.
4509         (Target_arm::do_finalize_sections): Move check for ELF format to
4510         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4511         attributes from a regular object only when we have determined that
4512         it is aapropriate.  Do not create an .ARM.attributes section in
4513         output if there is no regular input object.
4514         (Target_arm::merge_processor_specific_flags): Check
4515         --warn-mismatch before printing any error.
4516         (Target_arm::merge_object_attributes): Ditto.
4517         * gold.cc (queue_middle_tasks): Handle the case in which there is
4518         no regular object in input.
4519         * options.cc (General_options::parse_EB): New method.
4520         (General_options::parse_EL): Same.
4521         (General_options::General_options): Initialize endianness_.
4522         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4523         New options.
4524         (General_options::Endianness): New enum.
4525         (General_options::endianness): New method.
4526         (General_options::endianness_): New data member.
4527         * parameters.cc (Parameters::set_options): Check target endianness.
4528         (Parameters::set_target_once): Ditto.
4529         (Parameters::check_target_endianness): New method.
4530         (parameters_force_valid_target): If either -EL or -EB is specified,
4531         use it to define endianness of default target.
4532         * parameters.h (Parameters::check_target_endianness): New method
4533         declaration.
4534         * target.h (class Target): Change "endianity" to "endianness"
4535         in comments.
4536
4537 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4538
4539         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4540         * configure: Regenerate.
4541         * Makefile.in: Regenerate.
4542         * testsuite/Makefile.in: Regenerate.
4543
4544 2010-04-06  Cary Coutant  <ccoutant@google.com>
4545
4546         gcc PR lto/42757
4547         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4548         prevailing definitions of common symbols.
4549         * testsuite/plugin_test_6.sh: New test case.
4550         * testsuite/plugin_common_test_1.c: New test case.
4551         * testsuite/plugin_common_test_2.c: New test case.
4552         * testsuite/Makefile.am (plugin_test_6): New test case.
4553         * testsuite/Makefile.in: Regenerate.
4554
4555 2010-04-06  Nick Clifton  <nickc@redhat.com>
4556
4557         * po/vi.po: New Vietnamese translation.
4558
4559 2010-03-30  Doug Kwan  <dougkwan@google.com>
4560
4561         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4562
4563 2010-03-25  Doug Kwan  <dougkwan@google.com>
4564
4565         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4566         to avoid a conversion warning on a 32-bit host.
4567
4568 2010-03-24  Ian Lance Taylor  <iant@google.com>
4569
4570         * testsuite/script_test_3.t: Add a TLS segment.
4571         * testsuite/Makefile.am (check_PROGRAMS): Add
4572         tls_phdrs_script_test.
4573         (tls_phdrs_script_test_SOURCES): Define.
4574         (tls_phdrs_script_test_DEPENDENCIES): Define.
4575         (tls_phdrs_script_test_LDFLAGS): Define.
4576         (tls_phdrs_script_test_LDADD): Define.
4577         * testsuite/Makefile.in: Rebuild.
4578
4579 2010-03-23  Cary Coutant  <ccoutant@google.com>
4580
4581         * fileread.cc (find_or_make_view): Fix comment.
4582
4583 2010-03-23  Ian Lance Taylor  <iant@google.com>
4584
4585         * script-sections.cc (class Orphan_section_placement): Define
4586         PLACE_TLS and PLACE_TLS_BSS.
4587         (Orphan_section_placement::Orphan_section_placement): Initialize
4588         new places.
4589         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4590         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4591         (tls_script_test_SOURCES): Define.
4592         (tls_script_test_DEPENDENCIES): Define.
4593         (tls_script_test_LDFLAGS): Define.
4594         (tls_script_test_LDADD): Define.
4595         * testsuite/Makefile.in: Rebuild.
4596
4597 2010-03-22  Doug Kwan  <dougkwan@google.com>
4598
4599         * arm.cc (Arm_relocate_functions::abs8,
4600         Arm_relocate_functions::abs16): Use correct check for overflow
4601         specified in the ARM ELF specs.
4602         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4603         target of a BLX instruction specially.
4604         (Reloc_stub::stub_type_for_reloc): Ditto.
4605         (Relocate::relocate): Use symbolic names instead of numeric relocation
4606         codes to report error.
4607         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4608         workaround.
4609         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4610         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4611         thumb2_blx_out_of_range.stdout
4612         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4613         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4614         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4615         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4616         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4617         thumb2_blx_in_range, thumb2_blx_in_range.o,
4618         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4619         thumb2_blx_out_of_range.o): New rules.
4620         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4621         thumb2_blx_in_range and thumb2_blx_out_of_range.
4622         * testsuite/Makefile.in: Regenerate.
4623         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4624         * testsuite/thumb_blx_in_range.s: New file.
4625         * testsuite/thumb_blx_out_of_range.s: New file.
4626
4627 2010-03-22  Rafael Espindola  <espindola@google.com>
4628
4629         * archive.cc (Should_include): Move to archive.h.
4630         (should_include_member): Make it a member of Archive.
4631         (Lib_group): New.
4632         (Add_lib_group_symbols): New.
4633         * archive.h: Include options.h.
4634         (Archive_member): Moved from Archive.
4635         (Should_include): Moved from archive.cc.
4636         (Lib_group): New.
4637         (Add_lib_group_symbols): New.
4638         * dynobj.cc (do_should_include_member): New.
4639         * dynobj.h (do_should_include_member): New.
4640         * gold.cc (queue_initial_tasks): Update call to queue.
4641         * main.cc (main): Print lib group stats.
4642         * object.cc (do_should_include_member): New.
4643         * object.h: Include archive.h.
4644         (Object::should_include_member): New.
4645         (Object::do_should_include_member): New.
4646         (Sized_relobj::do_should_include_member): New.
4647         * options.cc (General_options::parse_start_lib): New.
4648         (General_options::parse_end_lib): New.
4649         (Input_arguments::add_file): Handle lib groups.
4650         (Input_arguments::start_group): Check we are not in a lib.
4651         (Input_arguments::start_lib): New.
4652         (Input_arguments::end_lib): New.
4653         * options.h (General_options): Add start_lib and end_lib.
4654         (Input_argument::lib_): New.
4655         (Input_argument::lib): New.
4656         (Input_argument::is_lib): New.
4657         (Input_file_lib): New.
4658         (Input_arguments::in_lib_): New.
4659         (Input_arguments::in_lib): New.
4660         (Input_arguments::start_lib): New.
4661         (Input_arguments::end_lib_): New.
4662         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4663         in unused members as preempted.
4664         (Sized_pluginobj::do_should_include_member): New.
4665         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4666         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4667         return the blocker.
4668         (Read_symbols::do_whole_lib_group): New.
4669         (Read_symbols::do_lib_group): New.
4670         (Read_symbols::do_read_symbols): Handle lib groups.
4671         (Read_symbols::get_name): Handle lib groups.
4672         * readsyms.h (Read_symbols): Add an archive member pointer.
4673         (Read_symbols::do_whole_lib_group): New.
4674         (Read_symbols::do_lib_group): New.
4675         (Read_symbols::member_): New.
4676         * script.cc (read_input_script): Update call to queue_soon.
4677
4678 2010-03-19  Doug Kwan  <dougkwan@google.com>
4679
4680         * arm.cc (Stub_table::Stub_table): Initialize new data members
4681         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4682         (Stub_table::add_reloc_stub): Assign stub offset and update
4683         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4684         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4685         New data members.
4686         (Stub_table::update_data_size_and_addralign): Use
4687         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4688         instead of going over all reloc stubs.
4689         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4690         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4691         Stringpool_template::offset_ to size of Stringpool_char.
4692         (Stringpool_template::new_key_offset): Remove code to initialize
4693         Stringpool_template::offset_.
4694         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4695         Stringpool_template::offset_ to zero.
4696
4697 2010-03-15  Doug Kwan  <dougkwan@google.com>
4698
4699         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4700         offset_.
4701         (Stringpool_template::new_key_offset): New method.
4702         (Stringpool_template::add_string): Assign offsets when adding new
4703         strings.
4704         (Stringpool_template::set_string_offsets): Do not set string offsets
4705         when not optimizing.
4706         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4707         member size_.
4708         (Chunked_vector::clear): Clear size_.
4709         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4710         (Chunked_vector::size): Return size_.
4711         (Chunked_vector::push_back): Use size_ to find insert position.
4712         (Chunked_vector::size_): New data member.
4713         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4714         (Stringpool_template::new_key_offset): New method declaration.
4715         (Stringpool_template::offset_): New data member.
4716
4717 2010-03-15   Rafael Espindola  <espindola@google.com>
4718
4719         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4720         Add_symbols' constructor.
4721         * readsyms.h (Add_symbols): Remove the input_group member.
4722
4723 2010-03-10  Ian Lance Taylor  <iant@google.com>
4724
4725         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4726         target to ask whether a reference to a symbol requires a stack
4727         split.
4728         * target.h (Target::is_call_to_non_split): New function.
4729         (Target::do_is_call_to_non_split): Declare virtual function.
4730         * target.cc: Include "symtab.h".
4731         (Target::do_is_call_to_non_split): New function.
4732         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4733
4734 2010-03-10  Cary Coutant  <ccoutant@google.com>
4735
4736         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4737         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4738         (File_read::open[2]): Add whole_file_view_ to list of views.
4739         (File_read::make_view): Remove test of whole_file_view_.
4740         (File_read::find_or_make_view): Create whole_file_view_ if
4741         necessary.
4742         (File_read::clear_views): Replace bool parameter with enum;
4743         adjust all callers.  Don't delete views with permanent data;
4744         do delete cached views and views from archives if
4745         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4746         if clearing the corresponding view.
4747         * fileread.h (File_read::Clear_views_mode): New enum.
4748         (File_read::View::is_permanent_view): New method.
4749         (File_read::clear_views): Replace bool parameter
4750         with enum; adjust all callers.
4751         * options.h (General_options): Change keep_files_mapped option;
4752         add map_whole_files.
4753         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4754         releasing the file.
4755         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4756         the file.
4757
4758 2010-03-10  David S. Miller  <davem@davemloft.net>
4759
4760         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4761
4762 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4763
4764         * icf.cc (get_section_contents): Add '@' marker after processing the
4765         merge reloc.
4766
4767 2010-03-08  Doug Kwan  <dougkwan@google.com>
4768
4769         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4770         due to a conversion warning.
4771         (Arm_relobj::update_output_local_symbol_count): Check for local
4772         symbol with unset output index.
4773
4774 2010-03-05  Ian Lance Taylor  <iant@google.com>
4775
4776         * options.h (class General_options): Add --spare-dynamic-tags.
4777         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4778         --spare-dynamic-tags.
4779
4780 2010-03-05  Ian Lance Taylor  <iant@google.com>
4781
4782         * incremental.cc: Include "libiberty.h".
4783
4784 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4785
4786         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4787         function, is_info_ member.
4788         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4789         (Versions::Versions): Update caller.
4790         (Versions::define_base_version): Likewise.
4791         (Versions::add_def): Likewise.
4792
4793 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4794
4795         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4796         (Scan::possible_function_pointer_reloc): New function.
4797         (Scan::local_reloc_may_be_function_pointer): Change to call
4798         possible_function_pointer_reloc.
4799         (Scan::global_reloc_may_be_function_pointer): Ditto.
4800         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4801         relocations in ".data.rel.ro._ZTV" section.
4802         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4803         * testsuite/icf_safe_so_test.cc: Ditto.
4804         * testsuite/icf_safe_test.cc: Ditto.
4805         * testsuite/icf_safe_test.sh: Ditto.
4806
4807 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4808             Ian Lance Taylor  <iant@google.com>
4809
4810         * target-reloc.h (relocate_section): Check the symbol table index
4811         for -1U before setting the local symbol index.
4812         (scan_relocatable_relocs): If copying the relocation, record that
4813         the local symbol is required.
4814         * object.h (Symbol_value::is_output_symtab_index_set): New
4815         function.
4816         (Symbol_value::may_be_discarded_from_output_symtab): New
4817         function.
4818         (Symbol_value::has_output_symtab_entry): New function.
4819         (Symbol_value::needs_output_symtab_entry): Remove.
4820         (Symbol_value::output_symtab_index): Make sure the symbol index is
4821         set.
4822         (Symbol_value::set_output_symtab_index): Make sure the symbol
4823         index is not set.  Make sure the new index is valid.
4824         (Symbol_value::set_must_have_output_symtab_entry): New function.
4825         (Symbol_value::has_output_dynsym_entry): New function.
4826         (Symbol_value::set_output_dynsym_index): Make sure the new index
4827         is valid.
4828         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4829         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4830         local symbol if permitted.
4831         (Sized_relobj::do_finalize_local_symbols): Call
4832         is_output_symtab_index_set rather than needs_output_symtab_entry.
4833         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4834         rather than needs_output_symtab_entry.  Call
4835         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4836         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4837         is_output_symtab_index_set rather than needs_output_symtab_entry.
4838         * testsuite/discard_locals_relocatable_test.c: New file.
4839         * testsuite/discard_locals_test.sh: Test -r.
4840         * testsuite/Makefile.am (check_DATA): Add
4841         discard_locals_relocatable_test1.syms,
4842         discard_local_relocatable_test2.syms.
4843         (MOSTLYCLEANFILES): Likewise.  Also add
4844         discard_locals_relocatable_test1.lout and
4845         discard_locals_relocatable_test2.out.
4846         (discard_locals_relocatable_test1.syms): New target.
4847         (discard_locals_relocatable_test.o): New target.
4848         (discard_locals_relocatable_test1.out): New target.
4849         (discard_locals_relocatable_test2.syms): New target.
4850         (discard_locals_relocatable_test2.out): New target.
4851         (various): Add missing ../ld-new dependencies.
4852         * testsuite/Makefile.in: Rebuild.
4853
4854 2010-03-03  Nick Clifton  <nickc@redhat.com>
4855
4856         * po/fi.po: New Finnish translation.
4857
4858 2010-03-01  Doug Kwan  <dougkwan@google.com>
4859
4860         * layout.cc (Layout::Layout): Force section types of .init_array*,
4861         .preinit_array* and .fini_array* sections.
4862         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4863         Fix check of return value of std::string::find.().
4864         (Output_section::Input_section_sort_compare::operator()): Remove
4865         comment about .init_array.
4866         (Output_section::Input_section_sort_init_fini_compare::operator()):
4867         New method.
4868         (Output_section::sort_attached_input_sections): Handle .init_array
4869         and .fini_array specially.
4870         * output.h (Output_section::Inut_section_sort_compare): Update
4871         comment.
4872         (Output_section::Input_section_sort_init_fini_compare): New struct.
4873
4874 2010-02-26  Doug Kwan  <dougkwan@google.com>
4875
4876         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4877         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4878         * testsuite/debug_msg.sh: Avoid matching source line number for
4879         use of global variable undef_int.
4880
4881 2010-02-26  Doug Kwan  <dougkwan@google.com>
4882
4883         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4884         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4885         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4886         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4887         * options.cc (General_options::General_options): Initialize member
4888         fix_v4bx_.
4889         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4890         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4891         and rm_no_fix_v4bx.stdout
4892         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4893         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4894         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4895         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4896         and arm_no_fix_v4bx.
4897         * Makefile.in: Regenerate.
4898         * testsuite/arm_fix_v4bx.s: New file.
4899         * testsuite/arm_fix_v4bx.sh: Ditto.
4900
4901 2010-02-24  Doug Kwan  <dougkwan@google.com>
4902
4903         * arm.cc (Target_arm::got_section): Make the .got section the first
4904         non RELRO section in the data segment.
4905         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4906         suffixes of section names.
4907
4908 2010-02-24  Doug Kwan  <dougkwan@google.com>
4909
4910         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4911         flags and attributes merging if an input file is a binary file.
4912         * fileread.cc (Input_file::open): Record format of original file.
4913         * fileread.h (Input_file::Format): New enum type.
4914         (Input_file::Input_file): Initialize data member format_.
4915         (Input_file::format): New method definition.
4916         (Input_file::format_):: New data member.
4917
4918 2010-02-24  Doug Kwan  <dougkwan@google.com>
4919
4920         * arm.cc (Arm_output_data_got): New class.
4921         (ARM_TCB_SIZE): New constant
4922         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4923         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4924         If user uses a script with a SECTIONS clause, issue only a warning
4925         for a misplaced EXIDX input section.  Otherwise, issue an error.
4926         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4927         garbage collection.
4928         (Target_arm::got_mode_index_entry): Handle static linking.
4929         (Target_arm::Scan::local): Ditto.
4930         (Target_arm::Scan::global): Ditto.
4931         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4932         all incorrectly implemented relocations.
4933         (Target_arm::fix_exidx_coverage): Pass layout to
4934         Arm_output_section::fix_exidx_coverage.
4935         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4936         from ".ARM.exidx." and ".ARM.extab.".
4937
4938 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4939
4940         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4941         section if it does not already exist.
4942         * attributes.cc (Attributes_section_data::Attributes_section_data):
4943         Don't crash if size is zero.
4944
4945 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4946             Ian Lance Taylor  <iant@google.com>
4947
4948         * gold.cc (queue_middle_tasks): If no input files were opened,
4949         exit.
4950         * workqueue.h (Task_function::Task_function): Assert that there is
4951         a blocker.
4952
4953 2010-02-22  Doug Kwan  <dougkwan@google.com>
4954
4955         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4956         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4957         types to avoid warnings due to different uint64_t implementations
4958         on different hosts.
4959
4960 2010-02-21  Doug Kwan  <dougkwan@google.com>
4961
4962         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4963         handling of the maximum backward branch offset.
4964         (Arm_relocate_functions::thumb_branch_common): Ditto.
4965         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4966         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4967         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4968         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4969         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4970         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4971         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4972         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4973         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4974         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4975         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4976         thumb2_bl_out_of_range.o): New rules.
4977         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4978         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4979         thumb2_bl_out_of_range
4980         * testsuite/Makefile.in: Regenerate.
4981         * testsuite/arm_bl_in_range.s: New file.
4982         * testsuite/arm_bl_out_of_range.s: Ditto.
4983         * testsuite/arm_branch_in_range.sh: Ditto.
4984         * testsuite/arm_branch_range.t: Ditto.
4985         * testsuite/thumb2_branch_range.t: Ditto.
4986         * testsuite/thumb_bl_in_range.s: Ditto.
4987         * testsuite/thumb_bl_out_of_range.s: Ditto.
4988         * testsuite/thumb_branch_range.t: Ditto.
4989
4990 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4991
4992         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4993         Add reloc offset information.
4994         * icf.cc (get_section_contents): Change iterators to point to the new
4995         vectors. Add reloc offset information to the contents.
4996         * icf.h (Icf::Sections_reachable_info): New typedef.
4997         (Icf::Sections_reachable_list): New typedef.
4998         (Icf::Offset_info): New typedef.
4999         (Icf::Reloc_info): New struct typedef.
5000         (Icf::Reloc_info_list): New typedef.
5001         (Icf::symbol_reloc_list): Delete method.
5002         (Icf::addend_reloc_list): Delete method.
5003         (Icf::section_reloc_list): Delete method.
5004         (Icf::reloc_info_list): New method.
5005         (Icf::reloc_info_list_): New member.
5006
5007 2010-02-19  Doug Kwan  <dougkwan@google.com>
5008
5009         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5010         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5011         * arm.cc (Arm_relocation_functions): New forward declaration.
5012         (Target_arm::Target_arm): Initialize new data members
5013         got_mod_index_offset_ and tls_base_symbol_defined_.
5014         (Target_arm::Relocate::relocate_tls): New method.
5015         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5016          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5017         New methods.
5018         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5019         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5020         (Target_arm::got_mod_index_offset_,
5021         Target_arm::tls_base_symbol_defined_): New data members.
5022         (Target_arm::Scan::local, Target::Scan::global,
5023         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5024         relocations.
5025
5026 2010-02-18  Doug Kwan  <dougkwan@google.com>
5027
5028         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5029         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5030         text section as a parameter becuase some broken tools may not set
5031         the link in section header.
5032         (Target_arm::has_got_section): New method.
5033         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5034         without any mapping symbol as data only.  Remove warning.
5035         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5036         link in its section header, try to discover the link by inspecting the
5037         REL31 relocation at the beginning of the section.
5038         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5039         in error message.
5040         (Target_arm::Scan::global): Treat any reference to the symbol
5041         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5042
5043 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5044
5045         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5046         (Scan::global_reloc_may_be_function_pointer): New function.
5047         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5048         (Scan::global_reloc_may_be_function_pointer): New function.
5049         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5050         (Scan::global_reloc_may_be_function_pointer): New function.
5051         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5052         (Scan::global_reloc_may_be_function_pointer): New function.
5053         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5054         (Scan::global_reloc_may_be_function_pointer): New function.
5055         (Scan::possible_function_pointer_reloc): New function.
5056         (Target_x86_64::can_check_for_function_pointers): New function.
5057         * gc.h (gc_process_relocs): Scan relocation types to determine if
5058         function pointers were taken for targets that support it.
5059         * icf.cc (Icf::find_identical_sections): Include functions for
5060         folding in safe ICF whose pointer is not taken.
5061         * icf.h (Secn_fptr_taken_set): New typedef.
5062         (fptr_section_id_): New member.
5063         (section_has_function_pointers): New function.
5064         (set_section_has_function_pointers): New function.
5065         (check_section_for_function_pointers): New function.
5066         * options.h: Fix comment for safe ICF option.
5067         * target.h (can_check_for_function_pointers): New function.
5068         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5069         Modify icf_safe_test for X86-64.
5070         * testsuite/Makefile.in: Regenerate.
5071         * testsuite/icf_safe_so_test.cc: New file.
5072         * testsuite/icf_safe_so_test.sh: New file.
5073         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5074         (main): Change to take pointer to function kept_func_3.
5075         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5076         folding is done correctly for X86-64.
5077
5078 2010-02-12  David S. Miller  <davem@davemloft.net>
5079
5080         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5081         is_symbolless parameter.
5082         (Output_reloc<SHT_REL>::is_symbolless): New.
5083         (Output_reloc<SHT_REL>::is_symbolless_): New.
5084         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5085         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5086         (Output_reloc<SHT_RELA>::is_symbolless): New.
5087         (Output_data_reloc::add_global): Handle is_symbolless.
5088         (Output_data_reloc::add_global_relative): Likewise.
5089         (Output_data_reloc::add_local): Likewise.
5090         (Output_data_reloc::add_local_relative): Likewise.
5091         (Output_data_reloc::add_symbolless_global_addend): New.
5092         (Output_data_reloc::add_symbolless_local_addend): New.
5093         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5094         is_symbolless.
5095         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5096         instead of ->is_relative_
5097         (Output_reloc::write): Likewise.
5098         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5099         (Output_reloc::write_rel): Simplify.
5100
5101         * sparc.cc (Target_sparc::Scan::local): Use
5102         ->add_symbolless_local_addend as needed.
5103         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5104         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5105         based upon relocation offset.
5106
5107 2010-02-11  Doug Kwan  <dougkwan@google.com>
5108
5109         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5110         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5111         beginning of function.
5112         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5113         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5114         parameter is_32bit in calls to should_apply_static_reloc.
5115         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5116         (check_DATA): Add arm_abs_global.stdout.
5117         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5118         arm_abs_global.stdout): New rules.
5119         (MOSTLLYCLEANFILES): Add arm_abs_global
5120         * Makefile.in: Regenerate.
5121         * testsuite/arm_abs_global.s: New file.
5122         * testsuite/arm_abs_global.sh: Ditto.
5123         * testsuite/arm_abs_lib.s: Ditto.
5124
5125 2010-02-11  Ian Lance Taylor  <iant@google.com>
5126
5127         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5128         Read_relocs task.
5129         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5130         Allocate_commons_task first.
5131         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5132         task, rather than symtab_lock_.
5133         (Gc_process_relocs::~Gc_process_relocs): New function.
5134         (Gc_process_relocs::is_runnable): Check this_blocker_.
5135         (Gc_process_relocs::locks): Use next_blocker_ rather than
5136         blocker_.
5137         (Scan_relocs::~Scan_relocs): New function.
5138         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5139         symtab_lock_.
5140         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5141         next_blocker_.
5142         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5143         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5144         constructor accordingly.
5145         (class Gc_process_relocs): Likewise.
5146         (class Scan_relocs): Likewise.
5147         * common.h (class Allocate_commons_task): Remove symtab_lock_
5148         field, and corresponding constructor parameter.
5149         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5150         symtab_lock_.
5151         (Allocate_commons_task::locks): Likewise.
5152
5153 2010-02-11  Ian Lance Taylor  <iant@google.com>
5154
5155         * gold-threads.h (class Once): Define.
5156         (class Initialize_lock): Rewrite as child of Once.
5157         * gold-threads.cc (class Once_initialize): Define.
5158         (once_pointer_control): New static variable.
5159         (once_pointer, once_arg): New static variables.
5160         (c_run_once): New static function.
5161         (Once::Once, Once::run_once, Once::internal_run): New functions.
5162         (class Initialize_lock_once): Remove.
5163         (initialize_lock_control): Remove.
5164         (initialize_lock_pointer): Remove.
5165         (initialize_lock_once): Remove.
5166         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5167         (Initialize_lock::initialize): Rewrite.
5168         (Initialize_lock::do_run_once): New function.
5169         * archive.cc (Archive::interpret_header): Only clear name if it is
5170         not already empty.
5171         * fileread.cc: Include "gold-threads.h"
5172         (file_counts_lock): New static variable.
5173         (file_counts_initialize_lock): Likewise.
5174         (File_read::release): Only increment counts when using --stats.
5175         Use a lock around the increment.
5176         * parameters.cc (class Set_parameters_target_once): Define.
5177         (set_parameters_target_once): New static variable.
5178         (Parameters::Parameters): Move here from parameters.h.
5179         (Parameters::set_target): Rewrite.
5180         (Parameters::set_target_once): New function.
5181         (Parameters::clear_target): Move here and rewrite.
5182         * parameters.h (class Parameters): Update declarations.  Add
5183         set_parameters_target_once_ field.
5184         (Parameters::Parameters): Move to parameters.cc.
5185         (Parameters::clear_target): Likewise.
5186         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5187         task.
5188         (Start_group::~Start_group): New function.
5189         (Start_group::is_runnable): New function.
5190         (Start_group::locks, Start_group::run): New functions.
5191         (Finish_group::run): Change saw_undefined to size_t.
5192         * readsyms.h (class Start_group): Define.
5193         (class Finish_group): Change saw_undefined_ field to size_t.
5194         (Finish_group::Finish_group): Remove saw_undefined and
5195         this_blocker parameters.  Change all callers.
5196         (Finish_group::set_saw_undefined): New function.
5197         (Finish_group::set_blocker): New function.
5198         * symtab.h (class Symbol_table): Change saw_undefined to return
5199         size_t.  Change saw_undefined_ field to size_t.
5200         * target-select.cc (Set_target_once::do_run_once): New function.
5201         (Target_selector::Target_selector): Initialize set_target_once_
5202         field.  Don't initialize lock_ and initialize_lock_ fields.
5203         (Target_selector::instantiate_target): Rewrite.
5204         (Target_selector::set_target): New function.
5205         * target-select.h (class Set_target_once): Define.
5206         (class Target_selector): Update declarations.  Make
5207         Set_target_once a friend.  Remove lock_ and initialize_lock_
5208         fields.  Add set_target_once_ field.
5209
5210 2010-02-10  Ian Lance Taylor  <iant@google.com>
5211
5212         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5213         queueing any tasks.
5214         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5215         (queue_middle_tasks): Add all blockers before queueing any tasks.
5216         (queue_final_tasks): Likewise.
5217         * token.h (Task_token::add_blockers): New function.
5218         * object.h (Input_objects::number_of_relobjs): New function.
5219
5220 2010-02-10  Ian Lance Taylor  <iant@google.com>
5221
5222         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5223         shared, not if not position independent.
5224         * x86_64.cc (Relocate::relocate_tls): Likewise.
5225         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5226         (tls_pie_pic_test): New target.
5227         * testsuite/Makefile.in: Rebuild.
5228
5229         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5230         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5231         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5232         * testsuite/Makefile.in: Rebuild.
5233
5234 2010-02-09  David S. Miller  <davem@davemloft.net>
5235
5236         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5237         R_SPARC_RELATIVE using ->add_local_relative().
5238         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5239
5240         * output.h (Output_data_dynamic::add_section_size): New method
5241         that takes two Output_data objects.
5242         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5243         entry param.  Handle it in initializers.
5244         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5245         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5246         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5247         arg.
5248         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5249         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5250         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5251         for dynrel_includes_plt.
5252         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5253         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5254         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5255         before .rela.plt
5256         (Target_sparc::do_finalize_sections): Update to pass true for
5257         dynrel_includes_plt.
5258         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5259         output before .rela.plt
5260         (Target_powerpc::do_finalize_sections): Update to pass true for
5261         dynrel_includes_plt when 32-bit.
5262
5263 2010-02-08  Doug Kwan  <dougkwan@google.com>
5264
5265         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5266         method.
5267         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5268         Arm_relobj::scan_section_for_cortex_a8_stubs,
5269         Arm_relobj::do_relocation_section): Instead of calling
5270         Output_section::output_address, use faster
5271         Arm_relobj::simple_input_section_output_address.
5272
5273 2010-02-08  David S. Miller  <davem@davemloft.net>
5274
5275         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5276         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5277         relocation helper function.
5278
5279         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5280         just like R_SPARC_GOT{10,13,22}.
5281         (Target_sparc::Scan::local): Likewise.
5282         (Target_sparc::Relocate:relocate): Likewise.
5283
5284 2010-02-06  Ian Lance Taylor  <iant@google.com>
5285
5286         * configure.ac: Rewrite targetobjs duplicate removal code to use
5287         only shell constructs.
5288         * configure: Rebuild.
5289
5290 2010-02-05  Doug Kwan  <dougkwan@google.com>
5291
5292         PR 11247
5293         * arm.cc (Arm_relobj::section_is_scannable): New method.
5294         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5295         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5296
5297 2010-02-04  Doug Kwan  <dougkwan@google.com>
5298
5299         PR 11247
5300         * arm-reloc-property.cc (cstdio): Include.
5301         * configure.ac (targetobjs): Remove duplicates.
5302         * configure: Regenerate.
5303         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5304         big and little endian version for a given address size.
5305
5306 2010-02-03  Doug Kwan  <dougkwan@google.com>
5307
5308         * arm-reloc-property.cc
5309         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5310         definition.
5311         * arm-reloc-property.h
5312         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5313         New method definition.
5314         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5315         declaration.
5316         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5317         overflow to N.
5318         (GOT_PREL): Change implemented to Y.
5319         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5320         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5321         (Arm_relocate_functions::movw_abs_nc): Remove method.
5322         (Arm_relocate_functions::movt_abs): Ditto.
5323         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5324         (Arm_relocate_functions::thm_movt_abs): Ditto.
5325         (Arm_relocate_functions::movw_rel_nc): Ditto.
5326         (Arm_relocate_functions::movw_rel): Ditto.
5327         (Arm_relocate_functions::movt_rel): Ditto.
5328         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5329         (Arm_relocate_functions:thm_movw_rel): Ditto.
5330         (Arm_relocate_functions:thm_movt_rel): Ditto.
5331         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5332         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5333         New method definitions.
5334         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5335         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5336         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5337         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5338         (Target_arm::Relocate::relocate): Check for non-static or
5339         unimplemented relocation code and exit early.  Change calls to
5340         Target_arm::reloc_uses_thumb_bit and
5341         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5342         instead.  Refactor code to handle similar relocations to increase
5343         code sharing.  Remove check for unsupported relocation code in switch
5344         statement.
5345         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5346         relocation property table to find out size.  Change error message to
5347         print out the name of a relocation code instead of the numeric value.
5348         (Target_arm::scan_reloc_for_stub): Use relocation property table
5349         instead of calling Target_arm::reloc_uses_thumb_bit().
5350
5351 2010-02-02  Doug Kwan  <dougkwan@google.com>
5352
5353         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5354         types of relaxed input section.
5355
5356 2010-02-02  Doug Kwan  <dougkwan@google.com>
5357
5358         * Makefile.am (HFILES): Add arm-reloc-property.h.
5359         (DEFFILES): New.
5360         (TARGETSOURCES): Add arm-reloc-property.cc
5361         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5362         (libgold_a_SOURCES): $(DEFFILES)
5363         * Makefile.in: Regenerate.
5364         * arm-reloc-property.cc: New file.
5365         * arm-reloc-property.h: New file.
5366         * arm-reloc.def: New file.
5367         * arm.cc: Update comments.
5368         (arm-reloc-property.h): New included header.
5369         (arm_reloc_property_table): New global variable.
5370         (Target_arm::do_select_as_default_target): New method definition.
5371         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5372         arm-reloc-property to targ_extra_obj.
5373         * parameters.cc (set_parameters_target): Call
5374         Target::select_as_default_target().
5375         * target.h (Target::select_as_default_target): New method definition.
5376         (Target::do_select_as_default_target): Same.
5377
5378 2010-02-01  Doug Kwan  <dougkwan@google.com>
5379
5380         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5381         first_output_text_section_.
5382         (Arm_exidx_fixup::first_output_text_section): New method definition.
5383         (Arm_exidx_fixup::first_output_text_section_): New data member.
5384         (Arm_exidx_fixup::process_exidx_section): Record the first text
5385         output section seen.
5386         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5387         and entsize in output section header.
5388
5389 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5390
5391         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5392         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5393         (Arm_relocate_functions::thm_alu11): New Method.
5394         (Arm_relocate_functions::thm_pc8): New Method.
5395         (Arm_relocate_functions::thm_pc12): New Method.
5396         (Target_arm::Scan::local): Handle the relocations.
5397         (Target_arm::Scan::global): Likewise.
5398         (Target_arm::Relocate::relocate): Likewise.
5399         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5400
5401 2010-01-29  Doug Kwan  <dougkwan@google.com>
5402
5403         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5404         of relocation types as ld.
5405
5406 2010-01-29  Doug Kwan  <dougkwan@google.com>
5407
5408         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5409         to public.
5410         (Arm_relocate_functions::thumb_branch_common): Ditto.
5411         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5412         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5413         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5414         Arm_relocate_functions::jump24): Remove.
5415         (Target_arm::Relocate::relocate): Adjust code to call
5416         Arm_relocation_functions::arm_branch_common and
5417         Arm_relocation_functions::thumb_branch_common instead of their removed
5418         wrappers.  Merge switch-cases together to reduce source code size.
5419
5420 2010-01-29  Doug Kwan  <dougkwan@google.com>
5421
5422         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5423         output_local_symbol_count_needs_update_.
5424         (Arm_relobj::output_local_symbol_count_needs_update,
5425          Arm_relobj::set_output_local_symbol_count_needs_update,
5426          Arm_relobj::update_output_local_symbol_count): New methods.
5427         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5428         member.
5429         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5430         of pointed function as in a R_ARM_PREL31 relocation.
5431         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5432         for output local symbol count updating.
5433         (Target_arm::do_relax): Update output local symbol counts in objects
5434         if necessary.
5435         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5436
5437 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5438
5439         * arm.cc: Added support for the ARM relocations:
5440         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5441         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5442         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5443         movw_prel_nc).
5444         (Arm_relocate_functions::movw_rel): New method.
5445         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5446         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5447         thm_movw_prel_nc).
5448         (Arm_relocate_functions::thm_movw_rel): New method.
5449         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5450         thm_movt_prel).
5451         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5452         relocations.
5453         (Target_arm::Scan::global): Likewise.
5454         (Target_arm::Relocate::relocate): Likewise.
5455         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5456         Likewise.
5457
5458 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5459
5460         * arm.cc: Added support for ARM group relocations.
5461         (Target_arm::reloc_needs_sym_origin): New method.
5462         (Arm_relocate_functions::calc_grp_kn): New method.
5463         (Arm_relocate_functions::calc_grp_residual): New method.
5464         (Arm_relocate_functions::calc_grp_gn): New method.
5465         (Arm_relocate_functions::arm_grp_alu): New Method.
5466         (Arm_relocate_functions::arm_grp_ldr): New Method.
5467         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5468         (Arm_relocate_functions::arm_grp_ldc): New Method.
5469         (Target_arm::Scan::local): Handle the ARM group relocations.
5470         (Target_arm::Scan::global): Likewise.
5471         (Target_arm::Relocate::relocate): Likewise.
5472         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5473         Likewise.
5474
5475 2010-01-26  Doug Kwan  <dougkwan@google.com>
5476
5477         * arm.cc (set): Include.
5478         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5479         pointer type.
5480         (Arm_output_section::Text_section_list): New type.
5481         (Arm_output_section::append_text_sections_to_list): New method.
5482         (Arm_output_section::fix_exidx_coverage): Ditto.
5483         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5484         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5485         Relobj::set_section_offset() instead of
5486         Sized_relobj::invalidate_section_offset().
5487         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5488         parameter for section headers. Ignore relocation sections for
5489         unallocated sections and EXIDX sections.
5490         (Target_arm::fix_exidx_coverage): New method.
5491         (Target_arm::output_section_address_less_than): New type.
5492         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5493         linked text section instead of the EXIDX section.
5494         (Arm_output_section::create_stub_group): Add an assertion to check
5495         that this is not an EXIDX output section.
5496         (Arm_output_section::append_text_sections_to_list): New method.
5497         (Arm_output_section::fix_exidx_coverage): Ditto.
5498         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5499         Arm_relobj::section_needs_reloc_stub_scanning.
5500         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5501         first pass.
5502         (Target_arm::fix_exidx_coverage): New method.
5503         * object.h (Relobj::set_output_section): New method.
5504         (Sized_relobj::invalidate_section_offset): Remove method.
5505         (Sized_relobj::do_invalidate_section_offset): Remove method.
5506         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5507
5508 2010-01-25  Doug Kwan  <dougkwan@google.com>
5509
5510         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5511         Fix warning due to signed and unsigned comparison on a 32-bit host.
5512
5513 2010-01-22  Doug Kwan  <dougkwan@google.com>
5514
5515         * arm.cc (Target_arm::do_relax): Record an output section for section
5516         offset adjustment it contains any stub table that has changed.
5517         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5518         offsets in an output section if necessary.
5519         * output.cc (Output_section::Output_section): Initialize
5520         section_offsets_need_adjustments_.
5521         (Output_section::add_input_section_for_script): Renamed to
5522         Output_section::add_simple_input_section.
5523         (Output_section::save_states): Add a comment.
5524         (Output_section::discard_states): New method defintion.
5525         (Output_section::adjust_section_offsets): Same.
5526         * output.h (Output_section::add_input_section_for_script): Renamed to
5527         Output_section::add_simple_input_section.
5528         (Output_section::discard_states): New method declaration.
5529         (Output_section::adjust_section_offsets): Same.
5530         (Output_section::section_offsets_need_adjustment,
5531         Output_section::set_section_offsets_need_adjustment): New method
5532         definitions.
5533         (Output_section::section_offsets_need_adjustment_): New data member.
5534         * script-sections.cc
5535         (Output_section_element_input::set_section_address): Adjust code for
5536         renaming of Output_section::add_input_section_for_script.
5537         (Orphan_output_section::set_section_address): Same.
5538
5539 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5540
5541         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5542         Fix_v4bx enum values .
5543         * gold/options.h (General_options): New option definitions.
5544         (General_options::fix_v4bx): New method.
5545         (General_options::Fix_v4bx): New enum.
5546         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5547         (General_options::parse_fix_v4bx_interworking): New method.
5548
5549 2010-01-22  Doug Kwan  <dougkwan@google.com>
5550
5551         * arm.cc (Arm_exidx_fixup): New class.
5552
5553 2010-01-21  Doug Kwan  <dougkwan@google.com>
5554
5555         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5556         classes.
5557         (Arm_exidx_section_offset_map): New type.
5558
5559 2010-01-21  Doug Kwan  <dougkwan@google.com>
5560
5561         * arm.cc (Arm_exidx_input_section): New class.
5562         (Arm_relobj::exidx_input_section_by_link,
5563         Arm_relobj::exidx_input_section_by_shndx,
5564         Arm_relobj::make_exidx_input_section): New methods.
5565         (read_arm_attributes_section): Remove.
5566         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5567         information about them.
5568         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5569         to here.
5570
5571 2010-01-20  Doug Kwan  <dougkwan@google.com>
5572
5573         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5574         Input_section_specifier to Section_id.
5575         (Target_arm::new_arm_input_section: Adjust code for change of key
5576         type.
5577         (Target_arm::find_arm_input_section): Ditto.
5578         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5579         (Section_id): Remove.
5580         (Garbage_collection::Section_id_hash): Remove.
5581         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5582         (Section_id): Remove.
5583         (Icf::Section_id_hash): Remove.
5584         * object.h (Section_id, Const_section_id, Section_id_hash,
5585         Const_section_id_hash): New type definitions.
5586         * output.cc (Output_section::add_relaxed_input_section): Change to
5587         use Const_section_id instead of Input_section_specifier as key type.
5588         (Output_section::add_merge_input_section): Ditto.
5589         (Output_section::build_relaxation_map): Change to use Section_id
5590         instead of Input_section_specifier as key type.
5591         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5592         Ditto.
5593         (Output_section::convert_input_sections_to_relaxed_sections): Change
5594         to use Const_section_id instead of Input_section_specifier as key type.
5595         (Output_section::find_merge_section): Ditto.
5596         (Output_section::find_relaxed_input_section): Ditto.
5597         * output.h (Input_section_specifier): Remove class.
5598         (Output_section::Output_section_data_by_input_section_map): Change
5599         key type to Const_section_id.
5600         (Output_section::Output_relaxed_input_section_by_input_section_map):
5601         Ditto.
5602         (Output_section::Relaxation_map): Change key type to Section_id.
5603
5604 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5605
5606         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5607         (class Arm_v4bx_stub): New class.
5608         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5609         (Stub_factory::make_arm_v4bx_stub): New method.
5610         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5611         (Stub_table::empty): Handle v4bx stubs.
5612         (Stub_table::add_arm_v4bx_stub): New method.
5613         (Stub_table::find_arm_v4bx_stub): New method.
5614         (Arm_relocate_functions::v4bx): New method.
5615         (Target_arm::fix_v4bx): New method.
5616         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5617         (Stub_table::relocate_stubs): Likewise.
5618         (Stub_table::do_write): Likewise.
5619         (Stub_table::update_data_size_and_addralign): Likewise.
5620         (Stub_table::finalize_stubs):  Likewise.
5621         (Target_arm::Scan::local): Likewise.
5622         (Target_arm::Scan::global): Likewise.
5623         (Target_arm::do_finalize_sections): Likewise.
5624         (Target_arm::Relocate::relocate): Likewise.
5625         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5626         Likewise.
5627         (Target_arm::scan_reloc_for_stub): Likewise.
5628         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5629
5630 2010-01-19  Ian Lance Taylor  <iant@google.com>
5631
5632         * output.cc (Output_section_headers::do_sized_write): Write large
5633         segment count to sh_info field.
5634         (Output_file_header::do_sized_write): For large segment count,
5635         write PN_XNUM to e_phnum field.
5636
5637 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5638
5639         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5640         (Arm_relocate_functions::thm_jump8): New function.
5641         (Arm_relocate_functions::thm_jump11): New function.
5642         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5643         R_ARM_THM_JUMP11.
5644         (Target_arm::Scan::global): Likewise.
5645         (Target_arm::Relocate::relocate): Likewise.
5646         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5647         Likewise.
5648
5649 2010-01-14  Doug Kwan  <dougkwan@google.com>
5650
5651         * arm.cc (map, utility): Include headers.
5652         (Target_arm::apply_cortex_a8_workaround): New method.
5653         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5654         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5655         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5656         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5657         the --[no-]fix-cortex-a8 command line options.
5658         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5659         (Target_arm::relocate_stub): Use addend in instruction template.
5660         * options.h (DEFINE_bool): Set the user-set flag.
5661         (General_options): Add --[no-]-fix-cortex options.
5662         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5663         : Update fast look-up map after conversion.
5664
5665 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5666
5667         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5668         in the first pass of do_layout.
5669
5670 2010-01-13  Doug Kwan  <dougkwan@google.com>
5671
5672         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5673         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5674         apparent compiler problem of not folding static constant integral
5675         data members of elfcpp::Elf_sizes<32>.
5676
5677 2010-01-13  Doug Kwan  <dougkwan@google.com>
5678
5679         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5680         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5681         Arm_relobj::scan_section_for_cortex_a8_erratum,
5682         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5683         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5684         sections to scan for relocation stubs into a new method
5685         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5686         relocation and Cortex-A8 stub scanning.
5687         (Target_arm::do_relax): Force stubs to be after stubbed sections
5688         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5689         the beginning of a new relaxation pass.  Update a comment.
5690         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5691
5692 2010-01-12  Ian Lance Taylor  <iant@google.com>
5693
5694         * target-reloc.h (visibility_error): New inline function.
5695         (relocate_section): Call visibility_error.
5696         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5697         (MOSTLYCLEANFILES): Likewise.
5698         (protected_4_pic.o, protected_3.err): New targets.
5699         * testsuite/protected_4.cc: New file.
5700
5701 2010-01-12  Doug Kwan  <dougkwan@google.com>
5702
5703         * arm.cc (Cortex_a8_reloc): New class.
5704         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5705         and cortex_a8_relocs_info_.
5706         (Target_arm::fix_cortex_a8): New method definition.
5707         (Target_arm::Cortex_a8_relocs_info): New type.
5708         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5709         New data member declarations.
5710         (Target_arm::scan_reloc_for_stub): Record information about
5711         relocations for THUMB branches that might be exempted from the
5712         Cortex-A8 workaround.
5713         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5714         at the beginning of a relaxation pass.
5715
5716 2010-01-12  Doug Kwan  <dougkwan@google.com>
5717
5718         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5719         (Arm_relobj::Mapping_symbol_position,
5720          Arm_reloj::Mapping_symbol_position_less,
5721          Arm_relobj::Mapping_symbols_info): New types.
5722         (Target_arm::is_mapping_symbol_name): New method definition.
5723         (Arm_relobj::do_count_local_symbols): Save information about mapping
5724         symbols.
5725
5726 2010-01-11  Doug Kwan  <dougkwan@google.com>
5727
5728         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5729         Arm_relocate_functions::thumb32_branch_upper,
5730         Arm_relocate_functions::thumb32_branch_lower,
5731         Arm_relocate_functions::thumb32_cond_branch_offset,
5732         Arm_relocate_functions::thumb32_cond_branch_upper,
5733         Arm_relocate_functions::thumb32_cond_branch_lower,
5734         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5735         branch offset encoding.
5736         (Arm_relocate_functions::thumb_branch_common): Use new branch
5737         offset encoding methods to avoid code duplication.
5738         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5739         (Stub_addend_reader::operator()): Use new branch encoding method
5740         to avoid code duplication.
5741
5742 2010-01-11  Doug Kwan  <dougkwan@google.com>
5743
5744         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5745         (Target_arm::do_finalize_sections): Define special EXIDX section
5746         symbols only if referenced.
5747         * gc.h (Garbage_collection::add_reference): New method.
5748         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5749         code duplication.
5750
5751 2010-01-11  Ian Lance Taylor  <iant@google.com>
5752
5753         * script.cc (Version_script_info::build_expression_list_lookup):
5754         Change complaing about duplicate wildcard match from error to
5755         warning.
5756
5757         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5758         of 2009-12-30.
5759         (Version_script_info::Version_script_info): Initialize globs_,
5760         default_version_, default_is_global_, and exact_.  Don't
5761         initialize globals_ or locals_.
5762         (Version_script_info::build_lookup_tables): Build local symbols
5763         first.
5764         (Version_script_info::unquote): New function.
5765         (Version_script_info::add_exact_match): New function.
5766         (Version_script_info::build_expression_list_lookup): Remove lookup
5767         parameter.  Add is_global parameter.  Change all callers.  Handle
5768         wildcard pattern specially.  Unquote pattern.  Call
5769         add_exact_match.
5770         (Version_script_info::get_name_to_match): New function.
5771         (Version_script_info::get_symbol_version): New function.
5772         (Version_script_info::get_symbol_version_helper): Remove.
5773         (Version_script_info::check_unmatched_names): Call unquote.
5774         * script.h (class Version_script_info): Change get_symbol_version
5775         to be non-inline and add is_global parameter; change all callers.
5776         Rewrite symbol_is_local.  Update declarations.  Define struct
5777         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5778         Remove globals_ and locals_ members.  Add exact_, globs_,
5779         default_version_, is_global_.
5780         (Version_script_info::Glob): Remove pattern, add expression and
5781         is_global.  Update constructor.  Change all callers.
5782         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5783         default version.
5784         (Versions::symbol_section_contents): If a symbol is undefined, or
5785         defined in a dynamic object, set the version index to
5786         VER_NDX_LOCAL.
5787         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5788         symbol_is_local.
5789         (Symbol_table::add_from_pluginobj): Likewise.
5790         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5791
5792 2010-01-11  Doug Kwan  <dougkwan@google.com>
5793
5794         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5795         (incremental_dump_LDADD): Add linking option for libintl.
5796         * Makefile.in: Regenerate.
5797
5798 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5799
5800         PR gold/11144
5801         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5802         instead of -Ds.
5803         * testsuite/Makefile.in: Regenerated.
5804
5805 2010-01-10  Doug Kwan  <dougkwan@google.com>
5806
5807         * options.h (DEFINE_var): Use parentheses around argument varname__
5808         in macro body to avoid any unintended subsequent substitutions.
5809
5810 2010-01-10  Ian Lance Taylor  <iant@google.com>
5811
5812         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5813         candidates before doing symbol resolution.
5814
5815         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5816         ODR candidates if only one is weak.
5817
5818 2010-01-08  Ian Lance Taylor  <iant@google.com>
5819
5820         * script.cc (Version_script_info::build_expression_list_lookup):
5821         Don't warn about ambiguous version, just record the ambiguity.
5822         (Version_script_info::get_symbol_version_helper): Give error if
5823         version is ambiguous.
5824
5825 2010-01-08  Doug Kwan  <dougkwan@google.com>
5826
5827         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5828           prev_data_size_ and prev_addralign_.  Remove initializer for
5829           deleted data member has_been_changed_.
5830           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5831           to determine if the table is empty.
5832           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5833           Remove.
5834           (Stub_table::add_reloc_stub): Define method in class definition
5835           instead of just declaring it there.
5836           (Stub_table::add_cortex_a8_stub): New method definition.
5837           (Stub_table::update_data_size_and_addralign): Ditto.
5838           (Stub_table::finalize_stubs): Ditto.
5839           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5840           (Stub_table::do_addralign_): Return address alignment in the
5841           (Stub_table::do_reset_address_and_file_offset): Define method in
5842           class definition instead of declaring it there.  Set current data
5843           size to be the data size of the previous pass.
5844           (Stub_table::set_final_data_size): Use current data size as the
5845           final data size.
5846           (Stub_table::relocate_stub): Change parameter type of stub from
5847           Reloc_stub pointer to Stub pointer.
5848           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5849           (Stub_table::Cortex_a8_stub_list): New typedef.
5850           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5851            Stub_table::prev_addralign_): New data member.
5852           (Arm_relobj::Arm_relobj): Initialize data member
5853           section_has_cortex_a8_workaround_.
5854           (Arm_relobj::section_has_cortex_a8_workaround,
5855            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5856            definitions.
5857           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5858           declarations.
5859           (Target_arm::relocate_stub): Change parameter type of stub from
5860           Reloc_stub pointer to Stub pointer.
5861           (Insn_template::size, Insn_template::alignment): Handle
5862           THUMB16_SPECIAL_TYPE.
5863           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5864            Stub_table::update_data_size_and_addralign,
5865            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5866           definitions.
5867           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5868           (Stub_table::do_write): Ditto.
5869           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5870
5871 2010-01-08  Ian Lance Taylor  <iant@google.com>
5872
5873         PR 11108
5874         * symtab.h (class Symbol): Remove fields is_target_special_ and
5875         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5876         (Symbol::is_defined_in_discarded_section): New function.
5877         (Symbol::set_is_defined_in_discarded_section): New function.
5878         (Symbol::has_plt_offset): Rewrite.
5879         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5880         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5881         Don't initialize is_target_special_ or has_plt_offset_.
5882         Initialize is_defined_in_discarded_section_.
5883         (Symbol_table::add_from_relobj): If appropriate, set
5884         is_defined_in_discarded_section.
5885         * resolve.cc (Symbol::override_base_with_special): Don't test
5886         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5887         * target-reloc.h (relocate_section): Do special handling for
5888         symbols defined in discarded sections for global symbols as well
5889         as local symbols.
5890
5891 2010-01-08  Ian Lance Taylor  <iant@google.com>
5892
5893         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5894         the SHT_SYMTAB case.
5895
5896 2010-01-08  Ian Lance Taylor  <iant@google.com>
5897
5898         * object.cc (Sized_relobj::do_layout): Don't get confused if
5899         layout_eh_frame returns NULL.
5900
5901 2010-01-08  Ian Lance Taylor  <iant@google.com>
5902
5903         PR 11084
5904         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5905         dynamic symbol table, use the normal symbol table.
5906         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5907         symbol table.
5908
5909 2010-01-08  Ian Lance Taylor  <iant@google.com>
5910
5911         PR 11072
5912         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5913         sections.
5914
5915 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5916
5917         * version.cc (print_version): Change to "Copyright 2010".
5918
5919 2010-01-08  Ian Lance Taylor  <iant@google.com>
5920
5921         PR 10287
5922         PR 11063
5923         * i386.cc (class Target_i386): Change return type of plt_section
5924         to be non-const.
5925         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5926         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5927         tls_desc_rel_ field.
5928         (Output_data_plt_i386::rel_tls_desc): New function.
5929         (Target_i386::rel_tls_desc_section): New function.
5930         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5931         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5932         R_386_TLS_DESC reloc in rel_tls_desc_section.
5933         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5934         Define struct Tlsdesc_info.
5935         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5936         (Target_x86_64::do_reloc_symbol_index): New function.
5937         (Target_x86_64::add_tlsdesc_info): New function.
5938         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5939         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5940         tlsdesc_rel_ field.
5941         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5942         all callers.
5943         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5944         (Target_x86_64::rela_tlsdesc_section): New function.
5945         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5946         handling.
5947         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5948         (Target_x86_64::do_reloc_addend): New function.
5949         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5950         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5951         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5952         (Output_reloc::type): New function.
5953         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5954         (Output_reloc::is_target_specific): New function.
5955         (Output_reloc::target_arg): New function.
5956         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5957         absolute relocs and target specific relocs.
5958         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5959         add_target_specific.
5960         (class Output_data_reloc) [SHT_RELA]: Likewise.
5961         * output.cc (Output_reloc::Output_reloc): Add four new versions
5962         for absolute relocs and target specific relocs.
5963         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5964         (Output_reloc::get_symbol_index): Likewise.
5965         (Output_reloc::local_section_offset): Check that local_sym_index_
5966         is not TARGET_CODE or 0.
5967         (Output_reloc::symbol_value): Likewise.
5968         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5969         reloc.
5970         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5971         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5972         functions.
5973         * layout.cc (add_target_dynamic_tags): Use output section for
5974         DT_PLTRELSZ and DT_JMPREL.
5975
5976 2010-01-07  Ian Lance Taylor  <iant@google.com>
5977
5978         PR 11061
5979         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5980         function.
5981         (class Output_data_reloc_generic): Define.
5982         (class Output_data_reloc_base): Change base class to
5983         Output_data_reloc_generic.  Change add() method to call
5984         bump_relative_reloc_count for a relative reloc.  Remove
5985         sort_relocs_ field.
5986         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5987         to sort_relocs().
5988         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5989         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5990         appropriate.
5991         * layout.h (class Layout): Update declaration.
5992
5993 2010-01-07  Ian Lance Taylor  <iant@google.com>
5994
5995         * output.h (class Output_data): Add const version of
5996         output_section and do_output_section.
5997         (class Output_section_data): Add const version of
5998         do_output_section.
5999         (class Output_section): Likewise.
6000         * layout.cc (Layout::add_target_dynamic_tags): New function.
6001         * layout.h (class Layout): Update declarations.
6002         * arm.cc (Target_arm::do_finalize_sections): Use
6003         add_target_dynamic_tags.
6004         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6005         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6006         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6007         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6008
6009 2010-01-07  Ian Lance Taylor  <iant@google.com>
6010
6011         PR 11042
6012         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6013         object as needed.
6014
6015 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6016             Ian Lance Taylor  <iant@google.com>
6017
6018         PR 11019
6019         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6020         Xindex::read_symtab_xindex.
6021
6022 2010-01-07  Doug Kwan  <dougkwan@google.com>
6023
6024         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6025         (Insn_template::thumb16_bcond_insn): New method declaration.
6026         (Insn_template): Fix spelling.
6027         (Stub::thumb16_special): New method declaration.
6028         (Stub::do_write): Define virtual method which was previously pure
6029         virtual.
6030         (Stub::do_thumb16_special): New method declaration.
6031         (Stub::do_fixed_endian_write): New template member.
6032         (Reloc_stub::do_write): Remove.
6033         (Reloc_stub::do_fixed_endian_write): Remove.
6034         (Cortex_a8_stub): New class definition.
6035         (Stub_factory::make_cortex_a8_stub): New method definition.
6036         (Stub_factory::Stub_factory): Add missing static storage class
6037         qualifier for elf32_arm_stub_a8_veneer_blx.
6038
6039 2010-01-07  Ian Lance Taylor  <iant@google.com>
6040
6041         PR 10980
6042         * options.h (class General_options): Add --warn-unresolved-symbols
6043         and --error-unresolved-symbols.
6044         * errors.cc (Errors::undefined_symbol): Implement
6045         --warn-unresolved-symbols.
6046
6047         * options.h (class General_options): Add -z text and -z textoff.
6048         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6049
6050 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6051
6052         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6053         (Garbage_collection::cident_sections): New function.
6054         (Garbage_collection::add_cident_section): New function.
6055         (Garbage_collection::cident_sections_): New member.
6056         (gc_process_relocs): Add references to sections whose names are C
6057         identifiers.
6058         * gold.h (cident_section_start_prefix): New constant.
6059         (cident_section_stop_prefix): New constant.
6060         (is_cident): New function.
6061         * layout.cc (Layout::define_section_symbols): Replace string constants
6062         with the newly defined constants.
6063         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6064         C identifiers.
6065         * testsuite/Makefile.am: Add gc_orphan_section_test.
6066         * testsuite/Makefile.in: Regenerate.
6067         * testsuite/gc_orphan_section_test.cc: New file.
6068         * testsuite/gc_orphan_section_test.sh: New file.
6069
6070 2010-01-06  Ian Lance Taylor  <iant@google.com>
6071
6072         PR 10980
6073         * options.h (class General_options): Add --warn-shared-textrel.
6074         * layout.cc (Layout::finish_dynamic_section): Implement
6075         --warn-shared-textrel.
6076
6077         PR 10980
6078         * options.h (class General_options): Add --warn-multiple-gp.
6079
6080 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6081
6082         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6083         $(THREADSLIB) and $(LIBDL).
6084         * Makefile.in: Rebuild.
6085
6086 2010-01-06  Ian Lance Taylor  <iant@google.com>
6087
6088         PR 10980
6089         * options.cc (General_options::parse_section_start): New function.
6090         (General_options::section_start): New function.
6091         (General_options::General_options): Initialize all members.
6092         * options.h: Include <map>
6093         (class General_options): Add --section-start.  Add section_starts_
6094         member.
6095         * layout.cc (Layout::attach_allocated_section_to_segment): If
6096         --section-start was used, set the address of the segment.  Remove
6097         local sort_sections.
6098         (Layout::relaxation_loop_body): If the address of the load segment
6099         has been set by --section-start, don't use it.
6100         * output.h (Output_segment::update_flags_for_output_section): New
6101         function.
6102         * output.cc (Output_segment::add_output_section): Call
6103         update_flags_for_output_section.
6104
6105 2010-01-05  Ian Lance Taylor  <iant@google.com>
6106
6107         PR 10980
6108         * options.h (class General_options): Add --undefined-version.
6109         * script.cc (struct Version_expression): Add was_matched_by_symbol
6110         field.
6111         (Version_script_info::matched_symbol): New function.
6112         (Version_script_info::get_symbol_version_helper): Call
6113         matched_symbol.
6114         (Version_script_info::check_unmatched_names): New function.
6115         * script.h (class Version_script_info): Update declarations.
6116         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6117
6118         * options.h (class General_options): Use DEFINE_bool_alias for
6119         allow_multiple_definition.
6120         * resolve.cc (Symbol_table::should_override): Don't test
6121         allow_multiple_definition.
6122
6123         PR 10980
6124         * options.h (class General_options): Add --cref.
6125         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6126         until after printing cref table.
6127         * cref.cc: Include "symtab.h".
6128         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6129         (Cref_table_compare::operator()): New function.
6130         (Cref_inputs::gather_cref): New function.
6131         (filecol): New static const.
6132         (Cref_inputs::print_cref): New function.
6133         (Cref::print_cref): New function.
6134         * cref.h: Include <cstdio>.
6135         (class Cref): Update declarations.
6136         * mapfile.h (Mapfile::file): New function.
6137         * object.h (class Object): Define Symbols.  Declare virtual
6138         do_get_global_symbols.
6139         (Object::get_global_symbols): New function.
6140         * object.cc (Input_objects::add_object): Pass object to cref_ if
6141         --cref.
6142         (Input_objects::archive_start): Likewise.
6143         (Input_objects::archive_stop): Likewise.
6144         (Input_objects::print_cref): New function.
6145         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6146         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6147         --cref.
6148         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6149         function.
6150         * plugin.h (class Sized_pluginobj): Update declarations.
6151
6152 2010-01-05  Ian Lance Taylor  <iant@google.com>
6153
6154         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6155         to is_default_version.  Rename insdef to insdefault.
6156         (Symbol_table::add_from_relobj): Rename def to is_default_version
6157         and local to is_forced_local.
6158         (Symbol_table::add_from_pluginobj): Likewise.
6159         (Symbol_table::add_from_dynobj): Likewise.
6160         (Symbol_table::define_special_symbol): Rename insdef to
6161         insdefault.
6162
6163 2010-01-04  Ian Lance Taylor  <iant@google.com>
6164
6165         PR 10980
6166         * options.h (class General_options): Add
6167         --allow-multiple-definition and -z muldefs.
6168         * resolve.cc (Symbol_table::should_override): Don't warn about a
6169         multiple symbol definition if --allow-multiple-definition or -z
6170         muldefs.
6171
6172         PR 10980
6173         * options.h (class General_options): Add --add-needed and
6174         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6175         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6176         error if --copy-dt-needed-entries aka --add-needed is used and
6177         would cause a change in behaviour.
6178
6179         PR 10980
6180         * options.h (class General_options): Add -G as a short version of
6181         --shared.  Add no-op options -assert, -g, and -i.
6182
6183 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6184
6185         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6186         check for .text or .gnu.linkonce.t sections.
6187         * icf.cc (Icf::find_identical_sections): Ditto.
6188         Change the detection for mangled function name within the section
6189         name.
6190         * icf.h (is_section_foldable_candidate): New function.
6191
6192 2009-12-30  Ian Lance Taylor  <iant@google.com>
6193
6194         PR 10980
6195         * options.h (class General_options): Permit two dashes with
6196         --retain-symbols-file.
6197
6198 2009-12-30  Ian Lance Taylor  <iant@google.com>
6199
6200         PR 10979
6201         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6202         don't put the file header and segment headers in the text
6203         segment.
6204
6205         PR 10979
6206         * common.cc (Sort_commons::operator()): Stabilize sort when both
6207         entries are NULL.
6208         (Symbol_table::do_allocate_commons_list): When allocating common
6209         symbols, skip a symbol which is no longer common.
6210         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6211         an object before checking its type.
6212         * testsuite/common_test_2.c: New file.
6213         * testsuite/common_test_3.c: New file.
6214         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6215         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6216         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6217         (common_test_2_pic.o, common_test_2.so): New targets.
6218         (common_test_3_pic.o, common_test_3.so): New targets.
6219         * testsuite/Makefile.in: Rebuild.
6220
6221         PR 10979
6222         * script.cc (read_input_script): If we see a new SECTIONS clause,
6223         and we have added an input section, give an error.
6224         * layout.h (class Layout): Add have_added_input_section function.
6225         Add have_added_input_section_ field.
6226         * layout.cc (Layout::Layout): Initialize
6227         have_added_input_section_.
6228         (Layout::layout): Set have_added_input_section_.
6229         (Layout::layout_eh_frame): Likewise.
6230
6231 2009-12-30  Ian Lance Taylor  <iant@google.com>
6232
6233         PR 10931
6234         * options.h (class General_options): Add --sort-common option.
6235         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6236         * common.cc (Sort_common): Add sort_order parameter to
6237         constructor.  Add sort_order_ field.
6238         (Sort_commons::operator): Check sort_order_.
6239         (Symbol_table::allocate_commons): Determine the sort order.
6240         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6241         Change all callers.
6242         (Symbol_table::do_allocate_commons_list): Likewise.
6243
6244 2009-12-30  Ian Lance Taylor  <iant@google.com>
6245
6246         PR 10916
6247         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6248         symbols from this object, don't change the visibility of an
6249         undefined symbol.
6250         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6251
6252 2009-12-30  Ian Lance Taylor  <iant@google.com>
6253
6254         PR 10861
6255         * script.h (class Version_script_info): Define Language enum.
6256         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6257         new fields globals_, locals_, and is_finalized_.
6258         * script.cc: Various formatting fixes.
6259         (class Parser_closure): Change language_stack_ from a vector of
6260         std::string to one of Version_script_info::Language.  Adjust all
6261         uses accordingly.
6262         (class Lazy_demangler): Remove.
6263         (struct Version_expression): Change language from std::string to
6264         Version_script_info::Language.
6265         (Version_script_info::Version_script_info): New function.
6266         (Version_script_info::~Version_script_info): Don't call clear.
6267         (Version_script_info::finalize): New function.
6268         (Version_script_info::build_lookup_tables): New function.
6269         (Version_script_info::build_expression_list_lookup): New
6270         function.
6271         (Version_script_info::get_symbol_version_helper): Rewrite to use
6272         lookup tables.
6273         (Version_script_info::print_expression_list): Adjust to use
6274         Version_script_info::Language.
6275         (script_push_lex_into_version_mode): Check that the version script
6276         has not been finalized.
6277         (version_script_push_lang): Change language string to
6278         Version_script_info::Language.
6279         * options.cc (Command_line::version_script): New function.
6280         * options.h (class General_options): Add finalize_dynamic_list
6281         function.  Change version_script from declaration to definition.
6282         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6283         * testsuite/version_script.map: Remove duplicate def of foo.
6284         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6285         version_script.map.
6286         * testsuite/Makefile.in: Rebuild.
6287
6288 2009-12-30  Ian Lance Taylor  <iant@google.com>
6289
6290         PR 10843
6291         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6292         if the input symbol index is 0, make the output symbol index 0.
6293
6294 2009-12-30  Ian Lance Taylor  <iant@google.com>
6295
6296         PR 10670
6297         * options.h (class General_options): Add -x/--discard-all.
6298         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6299         --discard-all.  If the local symbol needs a dynamic entry, check
6300         that before handling --discard-locals.
6301
6302 2009-12-30  Ian Lance Taylor  <iant@google.com>
6303
6304         PR 10450
6305         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6306         flags to PF_R.
6307         (Output_segment::add_output_section): Don't change the flags if
6308         the type is PT_TLS.
6309
6310         PR 10450
6311         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6312         GNU hash table if they need a dynamic value.  Otherwise, don't add
6313         them if they are defined in a dynamic object or are forced local.
6314
6315 2009-12-29  Ian Lance Taylor  <iant@google.com>
6316
6317         PR 10450
6318         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6319         .gnu.hash table for a 32-bit target.
6320
6321         PR 10450
6322         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6323         regular and a dynamic object only needs a dynamic symbol table
6324         entry if it is externally visible.
6325
6326         PR 10450
6327         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6328         constructor.  Add global_offset_table_ field.
6329         (Target_i386::got_section): Set global_offset_table_.
6330         (Target_i386::do_finalize_sections): Set global_offset_table_
6331         size.
6332         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6333         in constructor.  Add global_offset_table_ field.
6334         (Target_x86_64::got_section): Set global_offset_table_.
6335         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6336         size.
6337
6338         * layout.cc (Layout::Layout): Initialize increase_relro_.
6339         (Layout::get_output_section): Add is_relro, is_last_relro, and
6340         is_first_non_relro parameters.  Change all callers.
6341         (Layout::choose_output_section): Likewise.
6342         (Layout::add_output_section_data): Likewise.
6343         (Layout::make_output_section): Likewise.
6344         (Layout::set_segment_offsets): Clear increase_relro when using a
6345         linker script.
6346         * layout.h (class Layout): Add increase_relro method.  Add
6347         increase_relro_ field.  Update declarations.
6348         * output.cc (Output_section::Output_section): Initialize
6349         is_last_relro_ and is_first_non_relro_.
6350         (Output_segment::add_output_section): Group relro sections is
6351         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6352         (Output_segment::maximum_alignment): Remove relro handling.
6353         (Output_segment::set_section_addresses): Add increase_relro
6354         parameter.  Change all callers.  Add initial alignment to align
6355         relro sections on separate page.  Remove old relro handling.
6356         (Output_segment::set_section_list_addresses): Remove in_relro
6357         parameter.  Change all callers.
6358         (Output_segment::set_offset): Add increase parameter.  Change all
6359         callers.  Remove old relro handling.
6360         * output.h (class Output_section): Add new methods: is_last_relro,
6361         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6362         Add is_last_relro_ and is_first_non_relro_ fields.
6363         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6364         Create separate .got.plt section.  Call increase_relro.
6365         * x86_64.cc (Target_x86_64::got_section): Likewise.
6366         * testsuite/relro_script_test.t: Add .got.plt.
6367
6368         PR 10450
6369         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6370         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6371         (Layout::finalize): Call set_dynamic_symbol_size.
6372         (Layout::set_dynamic_symbol_size): New function.
6373         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6374         set_dynamic_symbol_size.
6375
6376         PR 10450
6377         * output.h (class Output_section): Add is_entsize_zero_ field.
6378         * output.cc (Output_section::Output_section): Initialize
6379         is_entsize_zero_.
6380         (Output_section::set_entsize): If two different entsizes are
6381         requested, force it to zero.
6382         (Output_section::add_input_section): Set flags for .debug_str
6383         before updating section flags.  Set entsize.
6384         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6385         and SHF_STRING if all input sections have those flags.
6386
6387 2009-12-29   Rafael Espindola  <espindola@google.com>
6388
6389         * main.cc (main): Fix the sys time reporting.
6390         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6391         reporting.
6392
6393 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6394
6395         * options.cc (General_options::parse_version): Allow -v to exit
6396         without an error if there is nothing to link.
6397
6398 2009-12-29  Ian Lance Taylor  <iant@google.com>
6399
6400         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6401         using a version of gcc before 4.1.
6402         * configure: Rebuild.
6403
6404 2009-12-28  Chris Demetriou  <cgd@google.com>
6405
6406         * attributes.cc (Output_attributes_section_data::do_write): Use
6407         std::vector::front rather than std::vector::data.
6408
6409 2009-12-28  Ian Lance Taylor  <iant@google.com>
6410
6411         * symtab.h (class Symbol_table): Add enum Defined.
6412         * resolve.cc (Symbol_table::should_override): Add defined
6413         parameter.  Change all callers.  Test whether object is NULL
6414         before calling a method on it.
6415         (Symbol_table::report_resolve_problem): Add defined parameter.
6416         Change all callers.
6417         (Symbol_table::should_override_with_special): Likewise.
6418         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6419         parameter.  Change all callers.
6420         (Symbol_table::do_define_in_output_data): Likewise.
6421         (Symbol_table::define_in_output_segment): Likewise.
6422         (Symbol_table::do_define_in_output_segment): Likewise.
6423         (Symbol_table::define_as_constant): Likewise.
6424         (Symbol_table::do_define_as_constant): Likewise.
6425         * script.h (class Symbol_assignment): Add is_defsym parameter to
6426         constructor; change all callers.
6427         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6428         parameter.  Change all callers.  Add is_defsym_ field.
6429         (class Parser_closure): Add parsing_defsym parameter to
6430         constructor; change all callers.  Add parsing_defsym accessor
6431         function.  Add parsing_defsym_ field.
6432
6433 2009-12-28  Ian Lance Taylor  <iant@google.com>
6434
6435         * gold.cc (queue_middle_tasks): Fix formatting.
6436         * object.cc (Relobj::is_section_name_included): Likewise.
6437
6438 2009-12-23  Ian Lance Taylor  <iant@google.com>
6439
6440         * i386.cc (Target_i386::do_calls_non_split): Recognize
6441         -fsplit-stack prologue for a function with a static chain.
6442         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6443         -fsplit-stack prologue when using %r11.
6444
6445 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6446
6447         * options.cc (General_options::parse_version): Make -v continue and do
6448         the link like GNU ld does.
6449
6450 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6451
6452         * Makefile.am (CCFILES): Add timer.cc.
6453         (HFILES): Add timer.h.
6454         * configure.ac: Check for sysconf and times.
6455         * main.cc: include timer.h.
6456         (main): Use Timer instead of get_run_time.
6457         * timer.cc: New.
6458         * timer.h: New.
6459         * workqueue.cc: include timer.h.
6460         (Workqueue::find_and_run_task):
6461         Report user, sys and wall time.
6462         * Makefile.in: Regenerate.
6463         * config.in: Regenerate.
6464         * configure: Regenerate.
6465
6466 2009-12-16  Doug Kwan  <dougkwan@google.com>
6467
6468         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6469         sections.
6470         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6471         relaxed input sections.
6472         * output.cc (Output_section::find_relaxed_input_section): Change
6473         return type to Output_relaxed_input_section pointer.  Adjust code
6474         for new type of relaxed_input_section_map_.
6475         * output.h (Output_section::find_relaxed_input_section): Change
6476         return type to Output_relaxed_input_section pointer.
6477         (Output_section::Output_relaxed_input_section_by_input_section_map):
6478         New type.
6479         (Output_section::relaxed_input_section_map_): Change type to
6480         Output_section::Output_relaxed_input_section_by_input_section_map.
6481         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6482         input section.
6483
6484 2009-12-15  Ian Lance Taylor  <iant@google.com>
6485
6486         * layout.cc (Layout::create_shstrtab): Only write out after input
6487         sections if we are compressing debug sections.
6488
6489 2009-12-15  Ian Lance Taylor  <iant@google.com>
6490
6491         * archive.cc (Archive::add_symbols): Only look up a symbol without
6492         a version if there is, in fact, a version.
6493
6494 2009-12-14  Ian Lance Taylor  <iant@google.com>
6495
6496         Revert -Wshadow changes, all changes from:
6497         2009-12-11  Doug Kwan  <dougkwan@google.com>
6498         2009-12-11  Nick Clifton  <nickc@redhat.com>
6499         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6500
6501 2009-12-11  Doug Kwan  <dougkwan@google.com>
6502
6503         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6504         due to -Wshadow.
6505         * attributes.cc (Object_attribute::size): Ditto.
6506         (Attributes_section_data::size): Ditto.
6507         (Attributes_section_data::Attributes_section_data): Ditto.
6508         (Output_attributes_section_data::do_write): Ditto.
6509         * attributes.h (Object_attribute::set_type): Ditto.
6510         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6511
6512 2009-12-11  Nick Clifton  <nickc@redhat.com>
6513
6514         * archive.cc: Fix shadowed variable warnings.
6515         * arm.cc: Likewise.
6516         * compressed_output.cc: Likewise.
6517         * compressed_output.h: Likewise.
6518         * configure: Likewise.
6519         * dwarf_reader.cc: Likewise.
6520         * dynobj.cc: Likewise.
6521         * dynobj.h: Likewise.
6522         * ehframe.cc: Likewise.
6523         * ehframe.h: Likewise.
6524         * errors.cc: Likewise.
6525         * expression.cc: Likewise.
6526         * fileread.cc: Likewise.
6527         * fileread.h: Likewise.
6528         * freebsd.h: Likewise.
6529         * i386.cc: Likewise.
6530         * icf.cc: Likewise.
6531         * incremental.h: Likewise.
6532         * layout.cc: Likewise.
6533         * layout.h: Likewise.
6534         * mapfile.cc: Likewise.
6535         * merge.cc: Likewise.
6536         * merge.h: Likewise.
6537         * object.cc: Likewise.
6538         * object.h: Likewise.
6539         * options.h: Likewise.
6540         * output.cc: Likewise.
6541         * output.h: Likewise.
6542         * parameters.cc: Likewise.
6543         * plugin.cc: Likewise.
6544         * powerpc.cc: Likewise.
6545         * reduced_debug_output.cc: Likewise.
6546         * reduced_debug_output.h: Likewise.
6547         * reloc.cc: Likewise.
6548         * reloc.h: Likewise.
6549         * resolve.cc: Likewise.
6550         * script-sections.cc: Likewise.
6551         * script.cc: Likewise.
6552         * script.h: Likewise.
6553         * sparc.cc: Likewise.
6554         * symtab.cc: Likewise.
6555         * symtab.h: Likewise.
6556         * target-select.cc: Likewise.
6557         * target-select.h: Likewise.
6558         * token.h: Likewise.
6559         * workqueue.cc: Likewise.
6560         * workqueue.h: Likewise.
6561         * x86_64.cc: Likewise.
6562
6563 2009-12-10  Doug Kwan  <dougkwan@google.com>
6564
6565         * arm.cc (attributes.h): New include.
6566         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6567         (Arm_relobj::~Arm_relobj): Delete object pointed by
6568         attributes_section_data_.
6569         (Arm_relobj::attributes_section_data): New method definition.
6570         (Arm_relobj::attributes_section_data_): New data member declaration.
6571         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6572         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6573         attributes_section_data_.
6574         (Arm_dynobj::attributes_section_data): New method definition.
6575         (Arm_dynobj::attributes_section_data_): New data member declaration.
6576         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6577         initialization value of may_use_blx_ to false.
6578         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6579         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6580         object attributes to compute results instead of hard-coding.
6581         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6582         Target_arm::get_secondary_compatible_arch,
6583         Target_arm::set_secondary_compatible_arch
6584         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6585         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6586         New method declarations.
6587         (Target_arm::get_aeabi_object_attribute): New method definition.
6588         (Target_arm::attributes_section_data_): New data member declaration.
6589         (read_arm_attributes_section): New template definition.
6590         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6591         (Arm_dynobj::do_read_symbols): Ditto.
6592         (Target_arm::do_finalize_sections): Merge attributes sections from
6593         input.  Check for BLX use after attributes section merging.
6594         Fix __exidx_start and __exidx_end visibility.  Create an
6595         .ARM.attributes section if necessary.
6596         (Target_arm::get_secondary_compatible_arch,
6597         Target_arm::set_secondary_compatible_arch,
6598         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6599         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6600         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6601         New method definitions.
6602
6603 2009-12-09  Ian Lance Taylor  <iant@google.com>
6604
6605         * plugin.cc (Plugin::load): Don't cast from void* to a function
6606         pointer.
6607
6608 2009-12-09  Ian Lance Taylor  <iant@google.com>
6609
6610         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6611         information fields.
6612
6613 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6614
6615         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6616         Replace two_file_shared_1.so with two_file_shared_2.so.
6617         * testsuite/Makefile.in: Regenerated.
6618
6619 2009-12-08  Doug Kwan  <dougkwan@google.com>
6620
6621         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6622         (HFILES): Add attributes.h and int_encoding.h.
6623         * Makefile.in: Regenerate.
6624         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6625         function definitions to int_encoding.cc
6626         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6627         prototypes to int_encoding.h
6628         * reduced_debug_output.cc (int_encoding.h): New include.
6629         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6630         function definitions to int_encoding.cc
6631         (insert_into_vector, read_from_pointer): Move template definitions to
6632         int_encoding.h
6633         * attributes.cc: New file.
6634         * attributes.h: New file.
6635         * int_encoding.cc: New file.
6636         * int_encoding.h: New file.
6637
6638 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6639
6640         PR gold/11055
6641         * incremental-dump.cc (dump_incremental_inputs): New.
6642         (main): Use dump_incremental_inputs.
6643
6644 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6645
6646         PR gold/10893
6647         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6648         checking elfcpp::STT_FUNC.
6649         (Target_i386::Relocate::relocate): Likewise.
6650         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6651
6652         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6653         symbols from shared libraries into normal FUNC symbols.
6654
6655         * symtab.h (Symbol): Add is_func and use it.
6656
6657 2009-12-05  Doug Kwan  <dougkwan@google.com>
6658
6659         * arm.cc (Target_arm::arm_info): Initialize new fields
6660         attributes_section and attributes_vendor.
6661         * i386.cc (Target_i386::i386_info): Same.
6662         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6663         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6664         fields attributes_section and attributes_vendor.
6665         * sparc.cc (Target_sparc::sparc_info): Same.
6666         * target.h (Target::attributes_section, Target::attributes_vendor,
6667         Target::is_attributes_section, Target::attribute_arg_type,
6668         Target::attributes_order): New method definitions.
6669         (Target::Target_info::attributes_section,
6670         Target::Target_info::attributes_vendor): New fields.
6671         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6672         virtual method definitions.
6673         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6674         attributes_section and attributes_vendor.
6675         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6676
6677 2009-12-05  Doug Kwan  <dougkwan@google.com>
6678
6679         * arm.cc: Update comments about interworking and stub generation.
6680         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6681         considered as non-PIC.
6682         (Arm_relocate_functions::base_abs): Fix formatting.
6683         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6684         of function to use GOT entry address instead of offset.
6685         (Target_arm::Scan::global): Issue an error if a symbol would need a
6686         PLT does not get one because it is untyped.  Remove code to create
6687         dynamic symbols for relative branches.
6688         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6689         takes unsigned integer instead of boolean.
6690
6691 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6692
6693         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6694         (two_file_test_LDADD): Likewise.
6695         (common_test_1_LDADD): Likewise.
6696         (exception_test_LDADD) Likewise.
6697         (weak_test_LDADD): Likewise.
6698         (many_sections_test_LDADD): Likewise.
6699         (initpri1_LDADD): Likewise.
6700         (script_test_1_LDADD): Likewise.
6701         (script_test_2_LDADD): Likewise.
6702         (justsyms_LDADD): Likewise.
6703         (binary_test_LDADD): Likewise.
6704         (large_LDADD): Likewise.
6705         * testsuite/Makefile.in: Regenerated.
6706
6707 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6708
6709         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6710         (Symbol_table::override_with_special): Likewise.
6711         (Symbol_table::add_from_object): Likewise.
6712
6713 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6714
6715         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6716         Don't set the data_offset twice.
6717
6718 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6719
6720         * testsuite/Makefile.in: Regenerate.
6721
6722 2009-12-03  Doug Kwan  <dougkwan@google.com>
6723
6724         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6725         (Target_arm::do_finalize_sections): Add parameter for symbol table
6726         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6727         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6728         parameter for symbol table pointer.
6729         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6730         an additional parameter for a pointer to symbol table.
6731         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6732         parameter for a symbol table pointer.
6733         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6734         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6735         Ditto.
6736         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6737         parameter for a symbol table pointer.
6738
6739 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6740
6741         * incremental.cc (Incremental_inputs_header)
6742         (Incremental_inputs_header_write, Incremental_inputs_entry)
6743         (Incremental_inputs_entry_write): Move ...
6744         * incremental.h (Incremental_inputs_header)
6745         (Incremental_inputs_header_write, Incremental_inputs_entry)
6746         (Incremental_inputs_entry_write): here.
6747
6748 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6749
6750         * incremental.cc (make_sized_incremental_binary): Set the target.
6751         Error if it is incompatible.
6752         * output.h (Output_file): Add filename method.
6753
6754 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6755
6756         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6757         from the get_* methods.
6758
6759 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6760
6761         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6762         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6763         Write 0 for the data_offset of scripts.
6764
6765 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6766
6767         * testsuite/Makefile.am: Add the incremental_test.sh test.
6768         * testsuite/incremental_test.sh: New.
6769         * testsuite/incremental_test_1.c: New.
6770         * testsuite/incremental_test_2.c: New.
6771
6772 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6773
6774        * incremental-dump.cc (main): Fix typos.
6775
6776 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6777
6778         PR gold/11025
6779         * incremental-dump.cc (main): Use llu to print 64 bit values.
6780
6781 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6782             H.J. Lu  <hongjiu.lu@intel.com>
6783
6784         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6785         $(LIBDL).
6786         (incremental_dump_LDADD): Likewise.
6787         * Makefile.in: Regenerated.
6788
6789 2009-11-25  Doug Kwan  <dougkwan@google.com>
6790
6791         Revert:
6792
6793         2009-11-25  Doug Kwan  <dougkwan@google.com>
6794
6795                 * arm.cc (Target_arm::Target_arm): Move method definition
6796                 outside of class definition.  Add code to handle
6797                 --target1-rel, --target1-abs and --target2= options.
6798                 (Target_arm::get_reloc_reloc_type): Change method to be
6799                 non-static and const.
6800                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6801                 New data member declaration.
6802                 (Target_arm::Scan::local, Target_arm::Scan::global,
6803                 Target_arm::Relocate::relocate,
6804                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6805                 Adjust call to Target_arm::get_real_reloc_type.
6806                 (Target_arm::get_real_reloc_type): Use command line options
6807                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6808                 * options.h (--target1-rel, --target1-abs, --target2): New
6809                 ARM-only options.
6810
6811 2009-11-25  Doug Kwan  <dougkwan@google.com>
6812
6813         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6814         class definition.  Add code to handle --target1-rel, --target1-abs
6815         and --target2= options.
6816         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6817         and const.
6818         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6819         member declaration.
6820         (Target_arm::Scan::local, Target_arm::Scan::global,
6821         Target_arm::Relocate::relocate,
6822         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6823         call to Target_arm::get_real_reloc_type.
6824         (Target_arm::get_real_reloc_type): Use command line options to
6825         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6826         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6827         options.
6828
6829 2009-11-25  Doug Kwan  <dougkwan@google.com>
6830
6831         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6832         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6833         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6834         formatting.
6835         (Arm_relocate_functions::thm_call): Replace body with a call to
6836         Arm_relocate_functions::thumb_branch_common.
6837         (Arm_relocate_functions::thm_jump24,
6838         Arm_relocate_functions::thm_xpc22): New method definitions.
6839         (Arm_relocate_functions::thumb_branch_common): New method definition.
6840         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6841         operator.
6842         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6843         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6844
6845 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6846
6847         * Makefile.am: Build incremental-dump
6848         * Makefile.in: Regenerate.
6849         * incremental-dump.cc: New.
6850         * incremental.cc (Incremental_inputs_header_data,
6851         Incremental_inputs_entry_data): Move to incremental.h
6852         * incremental.h: (Incremental_inputs_header_data,
6853         Incremental_inputs_entry_data): Move from incremental.cc
6854
6855 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6856
6857         * incremental.cc (Incremental_inputs_header,
6858         Incremental_inputs_header_write, Incremental_inputs_entry,
6859         Incremental_inputs_entry_write): Add a typedef with the data type.
6860
6861 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6862
6863         * incremental.cc (Incremental_inputs_header,
6864         Incremental_inputs_header_write, Incremental_inputs_entry,
6865         Incremental_inputs_entry_write): Update comment about which
6866         type has the filed descriptions.
6867
6868 2009-11-15  Doug Kwan  <dougkwan@google.com>
6869
6870         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6871         (Arm_relocate_functions::arm_branch_common): Change method defintion
6872         in class definition to a method declaration and update list of formal
6873         parameters.
6874         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6875         Arm_relocation_functions::jump24): Adjust call to
6876         Arm_relocate_functions::arm_branch_common.  Update list of formal
6877         parameters.
6878         (Arm_relocate_functions::xpc25): New method definition.
6879         (Arm_relocate_functions::arm_branch_common): Move method defintion
6880         out from class definition.  Use stubs for mode-switching and extending
6881         branch ranges.
6882         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6883         specially.  Change code to enable use of stubs in ARM branches.
6884
6885 2009-11-10  Doug Kwan  <dougkwan@google.com>
6886
6887         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6888         in method declaration.
6889         (Target_arm::relocate_stub): New method declaration.
6890         (Target_arm::default_target): Change to return a pointer instead of
6891         a const reference.
6892         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6893         Target_arm::default_target.
6894         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6895         method definition.
6896         (Target_arm::relocate_section): Adjust view.
6897         (Target_arm::relocate_stub): New method definition.
6898
6899 2009-11-10  Doug Kwan  <dougkwan@google.com>
6900
6901         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6902         a format warning.
6903         * incremental.cc (open_incremental_binary): Initialized local
6904         variables to avoid warnings.
6905         * object.cc (make_elf_object): Ditto.
6906         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6907         a format warning.
6908
6909 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6910
6911         PR gold/10930
6912         * testsuite/plugin_test.c: Include "config.h".
6913
6914 2009-11-09  Doug Kwan  <dougkwan@google.com>
6915
6916         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6917         (arm_symbol_value): Remove.
6918         (Arm_relocate_functions::arm_branch_common,
6919         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6920         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6921         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6922         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6923         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6924         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6925         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6926         Arm_relocate_functions::thm_mobw_abs_nc,
6927         Arm_relocate_functions::thm_mov_abs,
6928         Arm_relocate_functions::movw_prel_nc,
6929         Arm_relocate_functions::thm_movt_abs,
6930         Arm_relocate_functions::movt_prel,
6931         Arm_relocate_functions::thm_movw_prel_nc,
6932         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6933         (Target_arm::Relocate::relocate): Only decompose address into two
6934         parts if relocation type uses the thumb-bit and pass the actual
6935         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6936         calls to methods in Arm_relocate_functions for this change.
6937
6938 2009-11-08  Ian Lance Taylor  <iant@google.com>
6939
6940         PR 10925
6941         * reloc.cc: Instantiate
6942         Sized_relobj::initialize_input_to_output_maps and
6943         Sized_relobj:free_input_to_output_maps.
6944
6945 2009-11-06  Ian Lance Taylor  <iant@google.com>
6946
6947         PR 10876
6948         * defstd.cc (in_segment): Set only_if_ref true for "end".
6949
6950 2009-11-06  Doug Kwan  <dougkwan@google.com>
6951
6952         * arm.cc (class Reloc_stub): Correct a comment.
6953         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6954         (Target_arm::scan_section_for_stubs): New method declaration.
6955         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6956         Change methods from private to protected.
6957         (Target_arm::do_may_relax): New method definition.
6958         (Target_arm::do_relax, Target_arm::group_sections,
6959         Target_arm::scan_reloc_for_stub,
6960         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6961         (Target_arm::arm_input_section_map_): New data member declaration.
6962         (Target_arm::scan_reloc_for_stub,
6963         Target_arm::scan_reloc_section_for_stubs,
6964         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6965         Target_arm::do_relax): New method definitions.
6966
6967 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6968
6969         * configure.ac: Check for (struct stat)::st_mtim
6970         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6971         * config.in: Regenerate.
6972         * configure: Regenerate.
6973
6974 2009-11-05  Ian Lance Taylor  <iant@google.com>
6975
6976         PR 10910
6977         * output.cc (Output_segment::add_output_section): Add missing
6978         return statement.
6979
6980 2009-11-04  Ian Lance Taylor  <iant@google.com>
6981
6982         PR 10880
6983         * object.h (class Object): Add is_needed and set_is_needed
6984         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6985         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6986         defined in a dynamic object and referenced by a regular object,
6987         set is_needed for the dynamic object.
6988         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6989         if the file is marked with as_needed and it is not needed.
6990
6991 2009-11-04  Ian Lance Taylor  <iant@google.com>
6992
6993         PR 10887
6994         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6995         tags if data is discarded by linker script.
6996         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6997         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6998         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6999         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7000
7001 2009-11-04  Ian Lance Taylor  <iant@google.com>
7002
7003         * layout.cc (Layout::get_output_section): Add is_interp and
7004         is_dynamic_linker_section parameters.  Change all callers.
7005         (Layout::choose_output_section): Likewise.
7006         (Layout::make_output_section): Likewise.
7007         (Layout::add_output_section_data): Add is_dynamic_linker_section
7008         parameter.  Change all callers.
7009         * layout.h (class Layout): Update declarations.
7010         * output.h (class Output_section): Add is_interp, set_is_interp,
7011         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7012         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7013         generate_code_fills_at_write_ to a bitfield.
7014         * output.cc (Output_section::Output_sections): Initialize new
7015         fields.
7016         (Output_segment::add_output_section): Add do_sort parameter.
7017         Change all callers.
7018
7019 2009-11-03  Ian Lance Taylor  <iant@google.com>
7020
7021         PR 10860
7022         * options.h (class General_options): Add --warn-common.
7023         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7024         merging two common symbols.
7025         (Symbol_table::should_override): Handle --warn-common when merging
7026         a common symbol with a defined symbol.  Use report_resolve_problem
7027         for multiple definitions.
7028         (Symbol_table::report_resolve_problem): New function.
7029         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7030
7031 2009-11-03  Doug Kwan  <dougkwan@google.com>
7032
7033         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7034         stub_factory_.
7035         (Target_arm::stub_factory): New method definition.
7036         (Target_arm::new_arm_input_section,
7037         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7038         Target_arm::reloc_uses_thumb_bit): New method declarations.
7039         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7040         New type definitions.
7041         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7042         member declarations.
7043         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7044         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7045         New method definitions.
7046
7047 2009-11-03  Ian Lance Taylor  <iant@google.com>
7048
7049         * options.h (class General_options): Add --warn_constructors.
7050
7051 2009-11-03  Ian Lance Taylor  <iant@google.com>
7052
7053         PR 10893
7054         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7055         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7056
7057 2009-11-03  Ian Lance Taylor  <iant@google.com>
7058
7059         PR 10895
7060         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7061         --msgid-bugs-address.
7062         (install-pdf): New target.
7063         (install-data_yes): Look up one directory to find mkinstalldirs.
7064
7065 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7066
7067         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7068         tree.
7069
7070 2009-10-30  Doug Kwan  <dougkwan@google.com>
7071
7072         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7073
7074 2009-10-30  Doug Kwan  <dougkwan@google.com>
7075
7076         * arm.cc (Stub_addend_reader): New struct template definition
7077         and partial specializations.
7078         (Stub_addend_reader::operator()): New method definition for a
7079         partially specialized template.
7080
7081 2009-10-30  Doug Kwan  <dougkwan@google.com>
7082
7083         * arm.cc (Arm_relobj::processor_specific_flags): New method
7084         definition.
7085         (Arm_relobj::do_read_symbols): New method declaration.
7086         (Arm_relobj::processor_specific_flags_): New data member declaration.
7087         (Arm_dynobj): New class definition.
7088         (Target_arm::do_finalize_sections): Add input_objects parameter.
7089         (Target_arm::do_adjust_elf_header): New method declaration.
7090         (Target_arm::are_eabi_versions_compatible,
7091         (Target_arm::merge_processor_specific_flags): New method declaration.
7092         (Target_arm::do_make_elf_object): New overloaded method definitions
7093         and declaration.
7094         (Arm_relobj::do_read_symbols): New method definition.
7095         (Arm_dynobj::do_read_symbols): Ditto.
7096         (Target_arm::do_finalize_sections): Add input_objects parameters.
7097         Merge processor-specific flags from all input objects.
7098         (Target_arm::are_eabi_versions_compatible,
7099         Target_arm::merge_processor_specific_flags,
7100         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7101         New method definitions.
7102         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7103         Input_objects pointer type parameter.
7104         * layout.cc (Layout::finalize): Pass input objects to target's.
7105         finalize_sections function.
7106         * output.cc (Output_file_header::do_sized_write): Set ELF file
7107         header's processor-specific flags.
7108         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7109         Input_objects pointer type parameter.
7110         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7111         * target.h (Input_objects): New forward class declaration.
7112         (Target::processor_specific_flags,
7113         Target::are_processor_specific_flags_sect): New method definitions.
7114         (Target::finalize_sections): Add input_objects parameter.
7115         (Target::Target): Initialize processor_specific_flags_ and
7116         are_processor_specific_flags_set_.
7117         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7118         parameter.
7119         (Target::set_processor_specific_flags): New method definition.
7120         (Target::processor_specific_flags_,
7121         Target::are_processor_specific_flags_set_): New data member
7122         declarations.
7123         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7124         Input_objects pointer type parameter.
7125
7126 2009-10-30  Doug Kwan  <dougkwan@google.com>
7127
7128         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7129
7130 2009-10-28  Ian Lance Taylor  <iant@google.com>
7131
7132         * object.h (class Relobj): Drop options parameter from
7133         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7134         do_scan_relocs, do_relocate.  Change all callers.
7135         (class Sized_relobj): Drop options parameters from
7136         do_gc_process_relocs, do_scan_relocs, do_relocate,
7137         do_relocate_sections, relocate_sections, emit_relocs_scan,
7138         emit_relocs_scan_reltype.  Change all callers.
7139         (struct Relocate_info): Remove options field and all references to
7140         it.
7141         * reloc.h (class Read_relocs): Remove options constructor
7142         parameter and options_ field.  Change all callers.
7143         (class Gc_process_relocs, class Scan_relocs): Likewise.
7144         (class Relocate_task): Likewise.
7145         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7146         all callers.
7147         (scan_relocatable_relocs): Likewise.
7148         * target.h (class Sized_target): Remove options parameter from
7149         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7150         all callers.
7151         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7152         callers.
7153         * arm.cc: Update functions to remove options parameters.
7154         * i386.cc: Likewise.
7155         * powerpc.cc: Likewise.
7156         * sparc.cc: Likewise.
7157         * x86_64.cc: Likewise.
7158         * testsuite/testfile.cc: Likewise.
7159
7160 2009-10-28  Doug Kwan  <dougkwan@google.com>
7161
7162         * arm.cc (Arm_relobj): New class definition.
7163         (Arm_relobj::scan_sections_for_stubs,
7164         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7165         New method definitions.
7166
7167 2009-10-28  Cary Coutant  <ccoutant@google.com>
7168
7169         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7170         (Plugin::cleanup_done_): New member.
7171         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7172         (Plugin_manager::cleanup_done_): Remove.
7173         (Plugin_manager::add_input_file): Edit error message.
7174         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7175         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7176
7177 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7178
7179         * fileread.cc: (File_read::View::~View): Use the new
7180         data_ownership_ filed.
7181         (File_read::~File_read): Dispose the new whole_file_view_.
7182         (File_read::open): Mmap the whole file if needed.
7183         (File_read::open): Use whole_file_view_ instead of contents_.
7184         (File_read::find_view): Use whole_file_view_ if applicable.
7185         (File_read::do_read): Use whole_file_view_ instead of contents_.
7186         (File_read::make_view): Use whole_file_view_ instead of contents_,
7187         update File_read::View::View call.
7188         (File_read::find_or_make_view): Update File_read::View::View
7189         call.
7190         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7191         remove contents_
7192         (File_read::View::Data_ownership): New enum.
7193         (File_read::View::View): Replace bool mapped_ with Data_ownership
7194         argument.
7195         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7196         (File_read::View::data_ownership_): New field.
7197         (File_read::contents_): Remove (replaced by whole_file_view_).
7198         (File_read::whole_file_view_): New field.
7199         * options.h (class General_options): Add --keep-files-mapped.
7200
7201 2009-10-27  Cary Coutant  <ccoutant@google.com>
7202
7203         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7204         * testsuite/Makefile.am (plugin_test_5): New test case.
7205         * testsuite/Makefile.in: Regenerate.
7206
7207 2009-10-25  Doug Kwan  <dougkwan@google.com>
7208
7209         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7210         from private to protected to allow access by child class.
7211         (Sized_relobj::do_relocate_sections): New method declaration.
7212         (Sized_relobj::relocate_sections): Virtualize.
7213         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7214         Sized_relobj::relocate_sections.  Instantiate template explicitly
7215         for different target sizes and endianity.
7216
7217 2009-10-24  Doug Kwan  <dougkwan@google.com>
7218
7219         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7220         (Arm_input_section::as_arm_input_section): New method.
7221         (Arm_output_section): New class definition.
7222         (Arm_output_section::create_stub_group,
7223         Arm_output_section::group_sections): New method definitions.
7224
7225 2009-10-22  Doug Kwan  <dougkwan@google.com>
7226
7227         * arm.cc (Arm_input_section): New class definition.
7228         (Arm_input_section::init, Arm_input_section:do_write,
7229         Arm_input_section::set_final_data_size,
7230         Arm_input_section::do_reset_address_and_file_offset): New method
7231         definitions.
7232
7233 2009-10-21  Doug Kwan  <dougkwan@google.com>
7234
7235         * arm.cc (Stub_table, Arm_input_section): New forward class
7236         declarations.
7237         (Stub_table): New class defintion.
7238         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7239         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7240         New method definition.
7241
7242 2009-10-21  Doug Kwan  <dougkwan@google.com>
7243
7244         * arm.cc: Update copyright comments.
7245         (Target_arm): New forward class template declaration.
7246         (Arm_address): New type.
7247         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7248         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7249         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7250         constants.
7251         (Insn_template): Same.
7252         (DEF_STUBS): New macro.
7253         (Stub_type): New enum type.
7254         (Stub_template): New class definition.
7255         (Stub): Same.
7256         (Reloc_stub): Same.
7257         (Stub_factory): Same.
7258         (Target_arm::Target_arm): Initialize may_use_blx_ and
7259         should_force_pic_veneer_.
7260         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7261         Target_arm::should_force_pic_veneer,
7262         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7263         Target_arm::using_thumb_only, Target_arm:;default_target): New
7264         method defintions.
7265         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7266         New data member declarations.
7267         (Insn_template::size, Insn_template::alignment): New method defintions.
7268         (Stub_template::Stub_template): New method definition.
7269         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7270         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7271         (Stub_factory::Stub_factory): New method definition.
7272         * gold.h (string_hash): New template.
7273         * output.h (Input_section_specifier::hash_value): Use
7274         gold::string_hash.
7275         (Input_section_specifier::string_hash): Remove.
7276         * stringpool.cc (Stringpool_template::string_hash): Use
7277         gold::string_hash.
7278
7279 2009-10-20  Doug Kwan  <dougkwan@google.com>
7280
7281         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7282         symbols of relaxed input sections.
7283         * output.h (Output_section::find_relaxed_input_section): Make
7284         method public.
7285
7286 2009-10-16  Doug Kwan  <dougkwan@google.com>
7287
7288         * dynobj.cc (Versions::Versions): Initialize version_script_.
7289         Only insert base version symbol definition for a shared object
7290         if version script defines any version versions.
7291         (Versions::define_base_version): New method definition.
7292         (Versions::add_def): Check that base version is not needed.
7293         (Versions::add_need): Define base version lazily.
7294         * dynobj.h (Versions::define_base_version): New method declaration.
7295         (Versions::needs_base_version_): New data member declaration.
7296         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7297         (check_DATA): Add no_version_test.stdout.
7298         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7299         New make rules.
7300         * testsuite/Makefile.in: Regenerate.
7301         * testsuite/no_version_test.c: New file.
7302         * testsuite/no_version_test.sh: Ditto.
7303
7304 2009-10-16  Doug Kwan  <dougkwan@google.com>
7305
7306         * expression.cc (class Segment_start_expression): New class definition.
7307         (Segment_start_expression::value): New method definition.
7308         (script_exp_function_segment_start): Return a new
7309         Segment_start_expression.
7310         * gold/script-c.h (script_saw_segment_start_expression): New function
7311         prototype.
7312         * script-sections.cc (Script_sections::Script_sections): Initialize
7313         SAW_SEGMENT_START_EXPRESSION_ to false.
7314         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7315         and -Tbbs options to specify section addresses if given in
7316         command line and no SEGMENT_START expression is seen in a script.
7317         * script-sections.h (Script_sections::saw_segment_start_expression,
7318         Script_sections::set_saw_segment_start_expression): New method
7319         definition.
7320         (Script_sections::saw_segment_start_expression_): New data member
7321         declaration.
7322         * script.cc (script_saw_segment_start_expression): New function.
7323         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7324         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7325         script_test_7.sh and script_test_8.sh.
7326         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7327         script_test_8.stdout.
7328         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7329         (script_test_6, script_test_6.stdout, script_test_7,
7330         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7331         * Makefile.in: Regenerate.
7332         * testsuite/script_test_6.sh: New file.
7333         * testsuite/script_test_6.t: Same.
7334         * testsuite/script_test_7.sh: Same.
7335         * testsuite/script_test_7.t: Same.
7336         * testsuite/script_test_8.sh: Same.
7337
7338 2009-10-16  Doug Kwan  <dougkwan@google.com>
7339
7340         * output.cc (Output_segment::set_section_list_address): Cast
7341         expressions to unsigned long long type to avoid format warnings.
7342
7343 2009-10-15  Ian Lance Taylor  <iant@google.com>
7344
7345         * script.cc (Script_options::add_symbol_assignment): Always add a
7346         dot assignment to script_sections_.
7347         * script-sections.cc (Script_sections::add_dot_assignment):
7348         Initialize if necessary.
7349
7350         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7351         program headers with no load segment if there is a linker script.
7352
7353         * layout.cc (Layout::set_segment_offsets): Align the file offset
7354         to the segment aligment for -N or -n with no load segment.
7355         * output.cc (Output_segment::add_output_section): Don't crash if
7356         the first section is a TLS section.
7357         (Output_segment::set_section_list_addresses): Print an error
7358         message if the address moves backward in a linker script.
7359         * script-sections.cc
7360         (Output_section_element_input::set_section_addresses): Don't
7361         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7362         (Orphan_output_section::set_section_addresses): Likewise.
7363
7364 2009-10-15  Doug Kwan  <dougkwan@google.com>
7365
7366         * layout.cc (Layout::finish_dynamic_section): Generate tags
7367         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7368         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7369         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7370
7371 2009-10-14  Ian Lance Taylor  <iant@google.com>
7372
7373         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7374         fields.
7375         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7376         data_shdr fields of relinfo.
7377         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7378         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7379         R_386_TLS_LDO_32, adjust based on section flags.
7380         (Target_i386::Relocate::fix_up_ldo): Remove.
7381
7382 2009-10-13  Ian Lance Taylor  <iant@google.com>
7383
7384         Add support for -pie.
7385         * options.h (class General_options): Add -pie and
7386         --pic-executable.
7387         (General_options::output_is_position_independent): Test -pie.
7388         (General_options::output_is_executable): Return true if not shared
7389         and not relocatable.
7390         (General_options::output_is_pie): Remove.
7391         * options.cc (General_options::finalize): Reject incompatible uses
7392         of -pie.
7393         * gold.cc (queue_middle_tasks): A -pie link is not static.
7394         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7395         * symtab.cc (Symbol::final_value_is_known): Return false if
7396         output_is_position_independent.
7397         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7398         output_is_position_independent.
7399         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7400         output_is_position_independent.
7401         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7402         output_is_position_independent.
7403         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7404         two_file_pie_test.
7405         (basic_pie_test.o, basic_pie_test): New targets.
7406         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7407         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7408         (two_file_pie_test): New target.
7409         * testsuite/Makefile.in: Rebuild.
7410         * README: Remove note saying that -pie is not supported.
7411
7412 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7413
7414         * options.h (class General_options): Add -init and -fini.
7415         * layout.cc (Layout::finish_dynamic_section): Emit
7416         given init and fini functions.
7417
7418 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7419
7420         * gc.h (gc_process_relocs): Check if icf is enabled using new
7421         function.
7422         * gold.cc (queue_initial_tasks): Likewise.
7423         (queue_middle_tasks): Likewise.
7424         * object.cc (do_layout): Likewise.
7425         * symtab.cc (is_section_folded): Likewise.
7426         * main.cc (main): Likewise.
7427         * reloc.cc (Read_relocs::run): Likewise.
7428         (Sized_relobj::do_scan_relocs): Likewise.
7429         * icf.cc (is_function_ctor_or_dtor): New function.
7430         (Icf::find_identical_sections): Check if function is ctor or dtor when
7431         safe icf is chosen.
7432         * options.h (General_options::icf): Change option to be an enum.
7433         (Icf_status): New enum.
7434         (icf_enabled): New method.
7435         (icf_safe_folding): New method.
7436         (set_icf_status): New method.
7437         (icf_status_): New variable.
7438         * (options.cc) (General_options::finalize): Set icf_status_.
7439         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7440         icf_test and icf_keep_unique_test to use the --icf enum flag.
7441         * testsuite/icf_safe_test.sh: New file.
7442         * testsuite/icf_safe_test.cc: New file.
7443
7444 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7445
7446         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7447         includes to gc.h and icf.h.
7448         * arm.cc: Include gc.h.
7449         * gold.cc: Likewise.
7450         * i386.cc: Likewise.
7451         * powerpc.cc: Likewise.
7452         * sparc.cc: Likewise.
7453         * x86_64.cc: Likewise.
7454         * gc.h: Include icf.h.
7455
7456 2009-10-11  Ian Lance Taylor  <iant@google.com>
7457
7458         * plugin.cc: Include "gold.h" before other header files.
7459
7460 2009-10-10  Chris Demetriou  <cgd@google.com>
7461
7462         * options.h (Input_file_argument::Input_file_type): New enum.
7463         (Input_file_argument::is_lib_): Replace with...
7464         (Input_file_argument::type_): New member.
7465         (Input_file_argument::Input_file_argument): Take Input_file_type
7466         'type' rather than boolean 'is_lib' as second argument.
7467         (Input_file_argument::is_lib): Use type_.
7468         (Input_file_argument::is_searched_file): New function.
7469         (Input_file_argument::may_need_search): Handle is_searched_file.
7470         * options.cc (General_options::parse_library): Support -l:filename.
7471         (General_options::parse_just_symbols): Update for Input_file_argument
7472         changes.
7473         (Command_line::process): Likewise.
7474         * archive.cc (Archive::get_file_and_offset): Likewise.
7475         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7476         * script.cc (read_script_file, script_add_file): Likewise.
7477         * fileread.cc (Input_file::Input_file): Likewise.
7478         (Input_file::will_search_for): Handle is_searched_file.
7479         (Input_file::open): Likewise.
7480         * readsyms.cc (Read_symbols::get_name): Likewise.
7481         * testsuite/Makefile.am (searched_file_test): New test.
7482         * testsuite/Makefile.in: Regenerate.
7483         * testsuite/searched_file_test.cc: New file.
7484         * testsuite/searched_file_test_lib.cc: New file.
7485
7486 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7487             Ian Lance Taylor  <iant@google.com>
7488
7489         * descriptor.cc: Include <cstdio> and "binary-io.h".
7490         (Descriptors::open): Open the files in binary mode always.
7491         * script.cc (Lex::get_token): Treat \r as whitespace.
7492
7493 2009-10-09  Ian Lance Taylor  <iant@google.com>
7494
7495         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7496
7497 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7498             Ian Lance Taylor  <iant@google.com>
7499
7500         * configure.ac: Check for readv function also.
7501         * fileread.cc (readv): Define if not HAVE_READV.
7502         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7503         does not exist.
7504         * config.in: Regenerate.
7505         * configure: Regenerate.
7506
7507 2009-10-09  Doug Kwan  <dougkwan@google.com>
7508
7509         * layout.cc (Layout::make_output_section): Call target hook to make
7510         ordinary output section.
7511         (Layout::finalize): Adjust parameter list of call the
7512         Target::may_relax().
7513         * layout.h (class Layout::section_list): New method.
7514         * merge.h (Output_merge_base::entsize): Change visibility to public.
7515         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7516         New methods.
7517         (Output_merge_string::do_is_string): New method.
7518         * object.cc (Sized_relobj::do_setup): renamed from
7519         Sized_relobj::set_up.
7520         * object.h (Sized_relobj::adjust_shndx,
7521         Sized_relobj::initializ_input_to_output_maps,
7522         Sized_relobj::free_input_to_output_maps): Change visibilities to
7523         protected.
7524         (Sized_relobj::setup): Virtualize.
7525         (Sized_relobj::do_setup): New method declaration.
7526         (Sized_relobj::invalidate_section_offset,
7527         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7528         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7529         * options.cc (parse_int): New function.
7530         * options.h (parse_int): New declaration.
7531         (DEFINE_int): New macro.
7532         (stub_group_size): New option.
7533         * output.cc (Output_section::Output_section): Initialize memebers
7534         merge_section_map_, merge_section_by_properties_map_,
7535         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7536         (Output_section::add_input_section): Handled deferred code-fill
7537         generation and remove an old comment.
7538         (Output_section::add_relaxed_input_section): New method definition.
7539         (Output_section::add_merge_input_section): Use merge section by
7540         properties map to speed to search.  Update merge section maps
7541         as appropriate.
7542         (Output_section::build_relaxation_map): New method definition.
7543         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7544         Same.
7545         (Output_section::relax_input_section): Renamed to
7546         Output_section::convert_input_sections_to_relaxed_sections and change
7547         interface to take a vector of pointers to relaxed sections.
7548         (Output_section::find_merge_section,
7549         Output_section::find_relaxed_input_section): New method definitions.
7550         (Output_section::is_input_address_mapped,
7551         Output_section::output_offset, Output_section::output_address):
7552         Use output section data maps to speed up searching.
7553         (Output_section::find_starting_output_address): Add comments.
7554         (Output_section::do_write,
7555         Output_section::write_to_postprocessing_buffer): Do code-fill
7556         generation as appropriate.
7557         (Output_section::get_input_sections): Invalidate relaxed input section
7558         map.
7559         (Output_section::restore_states): Adjust type of checkpoint .
7560         Invalidate relaxed input section map.
7561         * output.h (Output_merge_base): New class declaration.
7562         (Input_section_specifier): New class defintion.
7563         (class Output_relaxed_input_section) Change base class to
7564         Output_section_data_build.
7565         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7566         base class initializer.
7567         (Output_section::add_relaxed_input_section): New method declaration.
7568         (Output_section::Input_section): Change visibility to protected.
7569         (Output_section::Input_section::relobj,
7570         Output_section::Input_section::shndx): Handle relaxed input sections.
7571         Output_section::input_sections) Change visibility to protected.  Also
7572         define overload to return a non-const pointer.
7573         (Output_section::Merge_section_properties): New class defintion.
7574         (Output_section::Merge_section_by_properties_map,
7575         Output_section::Output_section_data_by_input_section_map,
7576         Output_section::Relaxation_map): New types.
7577         (Output_section::relax_input_section): Rename method to
7578         Output_section::convert_input_sections_to_relaxed_sections and change
7579         interface to take a vector of relaxed section pointers.
7580         (Output_section::find_merge_section,
7581         Output_section::find_relaxed_input_section,
7582         Output_section::build_relaxation_map,
7583         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7584         New method declarations.
7585         (Output_section::merge_section_map_
7586         Output_section::merge_section_by_properties_map_,
7587         Output_section::relaxed_input_section_map_,
7588         Output_section::is_relaxed_input_section_map_valid_,
7589         Output_section::generate_code_fills_at_write_): New data members.
7590         * script-sections.cc
7591         (Output_section_element_input::set_section_addresses): Call
7592         current_data_size and addralign methods of relaxed input sections.
7593         (Orphan_output_section::set_section_addresses): Call current_data_size
7594         and addralign methods of relaxed input sections.
7595         * symtab.cc (Symbol_table::compute_final_value): Extract template
7596         from the body of Symbol_table::sized_finalize_symbol.
7597         (Symbol_table::sized_finalized_symbol): Call
7598         Symbol_table::compute_final_value.
7599         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7600         (Symbol_table::compute_final_value): New templated method declaration.
7601         * target.cc (Target::do_make_output_section): New method defintion.
7602         * target.h (Target::make_output_section): New method declaration.
7603         (Target::relax): Add more parameters for input objects, symbol table
7604         and layout.  Adjust call to do_relax.
7605         (Target::do_make_output_section): New method declaration.
7606         (Target::do_relax): Add parameters for input objects, symbol table
7607         and layout.
7608
7609 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7610
7611         * pread.c: Include stdio.h.
7612
7613 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7614
7615         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7616         defined.
7617
7618 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7619
7620         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7621         Change read_shndx type to unsigned int.
7622         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7623         int.
7624         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7625         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7626         Change read_shndx type to unsigned int.
7627         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7628         int.
7629         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7630         * layout.cc (Layout::create_symtab_sections): Cast the result of
7631         local_symcount * symsize to off_t in the gold_assert.
7632
7633 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7634
7635         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7636         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7637         R_ARM_BASE_ABS.
7638         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7639         (Arm_relocate_functions::thm_abs5): New function.
7640         (Arm_relocate_functions::abs12): New function.
7641         (Arm_relocate_functions::abs16): New function.
7642         (Arm_relocate_functions::base_abs): New function.
7643         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7644         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7645         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7646         R_ARM_BASE_ABS.
7647         (Scan::global): Likewise.
7648         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7649         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7650         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7651         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7652         R_ARM_BASE_ABS.
7653
7654 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7655
7656         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7657         (Arm_relocate_functions::movt_prel): New function.
7658         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7659         (Arm_relocate_functions::thm_movt_prel): New function.
7660         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7661         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7662         (Scan::global, Relocate::relocate): Likewise.
7663         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7664
7665 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7666
7667         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7668         Incremental_checker.
7669         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7670         unsigned int.
7671         (class Incremental_inputs_header): New class.
7672         (Incremental_inputs_header_writer): Edit comment.
7673         (Incremental_inputs_entry): New class.
7674         (Incremental_inputs_entry_writer): Edit comment.
7675         (Sized_incremental_binary::do_find_incremental_inputs_section):
7676         Add *strtab_shndx parameter, fill it.
7677         (Sized_incremental_binary::do_check_inputs): New method.
7678         (Incremental_checker::can_incrementally_link_output_file): Use
7679         Sized_incremental_binary::check_inputs.
7680         (Incremental_inputs::report_command_line): Save command line in
7681         command_line_.
7682         * incremental.h:
7683         (Incremental_binary::find_incremental_inputs_section): New
7684         method.
7685         (Incremental_binary::do_find_incremental_inputs_section): Add
7686         strtab_shndx parameter.
7687         (Incremental_binary::do_check_inputs): New pure virtual method.
7688         (Sized_incremental_binary::do_check_inputs): Declare.
7689         (Incremental_checker::Incremental_checker): Add incremental_inputs
7690         parameter, use it to initialize incremental_inputs_.
7691         (Incremental_checker::incremental_inputs_): New field.
7692         (Incremental_checker::command_line): New method.
7693         (Incremental_checker::inputs): New method.
7694         (Incremental_checker::command_line_): New field.
7695
7696 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7697
7698         * incremental.cc: Include <cstdarg> and "target-select.h".
7699         (vexplain_no_incremental): New function.
7700         (explain_no_incremental): New function.
7701         (Incremental_binary::error): New method.
7702         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7703         method.
7704         (make_sized_incremental_binary): New function.
7705         (open_incremental_binary): New function.
7706         (can_incrementally_link_file): Add checks if output is ELF and has
7707         inputs section.
7708         * incremental.h: Include "elfcpp_file.h" and "output.h".
7709         (Incremental_binary): New class.
7710         (Sized_incremental_binary): New class.
7711         (open_incremental_binary): Declare.
7712         * object.cc (is_elf_object): Use
7713         elfcpp::Elf_recognizer::is_elf_file.
7714         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7715         * output.h (Output_file::filesize): New method.
7716
7717 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7718
7719         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7720         New function.
7721         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7722         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7723         function.
7724         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7725         function.
7726         (Arm_relocate_functions::movw_abs_nc): New function.
7727         (Arm_relocate_functions::movt_abs): New function.
7728         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7729         (Arm_relocate_functions::thm_movt_abs): New function.
7730         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7731         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7732         (Scan::global): Likewise.
7733         (Relocate::relocate): Likewise.
7734         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7735
7736 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7737
7738         * arm.cc (Arm_relocate_functions::got_prel) New function.
7739         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7740         (Relocate::relocate): Likewise.
7741         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7742
7743 2009-10-06  Ian Lance Taylor  <iant@google.com>
7744
7745         * options.h (class General_options): Define
7746         split_stack_adjust_size parameter.
7747         * object.h (class Object): Add uses_split_stack_ and
7748         has_no_split_stack_ fields.  Add uses_split_stack and
7749         has_no_split_stack accessor functions.  Declare
7750         handle_split_stack_section.
7751         (class Reloc_symbol_changes): Define.
7752         (class Sized_relobj): Define Function_offsets.  Declare
7753         split_stack_adjust, split_stack_adjust_reltype, and
7754         find_functions.
7755         * object.cc (Object::handle_split_stack_section): New function.
7756         (Sized_relobj::do_layout): Call handle_split_stack_section.
7757         * dynobj.cc (Sized_dynobj::do_layout): Call
7758         handle_split_stack_section.
7759         * reloc.cc (Sized_relobj::relocate_sections): Call
7760         split_stack_adjust for executable sections in split_stack
7761         objects.  Pass reloc_map to relocate_section.
7762         (Sized_relobj::split_stack_adjust): New function.
7763         (Sized_relobj::split_stack_adjust_reltype): New function.
7764         (Sized_relobj::find_functions): New function.
7765         * target-reloc.h: Include "object.h".
7766         (relocate_section): Add reloc_symbol_changes parameter.  Change
7767         all callers.
7768         * target.h (class Target): Add calls_non_split method.  Declare
7769         do_calls_non_split virtual method.  Declare match_view and
7770         set_view_to_nop.
7771         * target.cc: Include "elfcpp.h".
7772         (Target::do_calls_non_split): New function.
7773         (Target::match_view): New function.
7774         (Target::set_view_to_nop): New function.
7775         * gold.cc (queue_middle_tasks): Give an error if mixing
7776         split-stack and non-split-stack objects with -r.
7777         * i386.cc (Target_i386::relocate_section): Add
7778         reloc_symbol_changes parameter.
7779         (Target_i386::do_calls_non_split): New function.
7780         * x86_64.cc (Target_x86_64::relocate_section): Add
7781         reloc_symbol_changes parameter.
7782         (Target_x86_64::do_calls_non_split): New function.
7783         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7784         parameter.
7785         * powerpc.cc (Target_powerpc::relocate_section): Add
7786         reloc_symbol_changes parameter.
7787         * sparc.cc (Target_sparc::relocate_section): Add
7788         reloc_symbol_changes parameter.
7789         * configure.ac: Call AM_CONDITIONAL for the default target.
7790         * configure: Rebuild.
7791         * testsuite/Makefile.am (TEST_AS): New variable.
7792         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7793         (check_DATA): Add split_i386 and split_x86_64 files.
7794         (SPLIT_DEFSYMS): Define.
7795         (split_i386_[1234n].o): New targets.
7796         (split_i386_[124]): New targets.
7797         (split_i386_[1234r].stdout): New targets.
7798         (split_x86_64_[1234n].o): New targets.
7799         (split_x86_64_[124]): New targets.
7800         (split_x86_64_[1234r].stdout): New targets.
7801         (MOSTLYCLEANFILES): Add new executables.
7802         * testsuite/split_i386.sh: New file.
7803         * testsuite/split_x86_64.sh: New file.
7804         * testsuite/split_i386_1.s: New file.
7805         * testsuite/split_i386_2.s: New file.
7806         * testsuite/split_i386_3.s: New file.
7807         * testsuite/split_i386_4.s: New file.
7808         * testsuite/split_i386_n.s: New file.
7809         * testsuite/split_x86_64_1.s: New file.
7810         * testsuite/split_x86_64_2.s: New file.
7811         * testsuite/split_x86_64_3.s: New file.
7812         * testsuite/split_x86_64_4.s: New file.
7813         * testsuite/split_x86_64_n.s: New file.
7814         * testsuite/testfile.cc (Target_test): Update relocation_section
7815         function.
7816         * testsuite/Makefile.in: Rebuild.
7817
7818 2009-10-06  Ian Lance Taylor  <iant@google.com>
7819
7820         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7821         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7822         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7823         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7824         the address on ldo_addrs_.
7825         (Target_i386::Relocate::fix_up_ldo): New function.
7826
7827 2009-10-06   Rafael Espindola  <espindola@google.com>
7828
7829         * plugin.cc (add_input_library): New.
7830         (Plugin::load): Add add_input_library to tv.
7831         (Plugin_manager::add_input_file): Add the is_lib argument.
7832         (add_input_file): Update call to Plugin_manager::add_input_file.
7833         (add_input_library): New.
7834         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7835
7836 2009-09-30  Doug Kwan  <dougkwan@google.com>
7837
7838         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7839         symbol and call Symbol::may_need_copy_reloc to determine if
7840         a copy reloc is needed.
7841         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7842         nocopyreloc is given in command line.
7843         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7844         given in command line.
7845         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7846         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7847         of the removed Target_i386::may_need_copy_reloc.
7848         * options.h (copyreloc): New option with default value false.
7849         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7850         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7851         instead of the removed Target_powerpc::may_need_copy_reloc.
7852         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7853         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7854         instead of the removed Target_sparc::may_need_copy_reloc.
7855         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7856         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7857         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7858         instead of the removed Target_x86_64::may_need_copy_reloc.
7859
7860 2009-09-30  Ian Lance Taylor  <iant@google.com>
7861
7862         * object.h (class Object): Remove target_ field, and target,
7863         sized_target, and set_target methods.
7864         (Object::sized_target): Remove.
7865         (class Sized_relobj): Update declarations.  Remove sized_target.
7866         * object.cc (Sized_relobj::setup): Remove target parameter.
7867         Change all callers.
7868         (Input_objects::add_object): Don't do anything with the target.
7869         (make_elf_sized_object): Add punconfigured parameter.  Change all
7870         callers.  Set or test parameter target.
7871         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7872         Change all callers.
7873         * parameters.cc (Parameters::set_target): Change parameter type to
7874         be non-const.
7875         (Parameters::default_target): Remove.
7876         (set_parameters_target): Change parameter type to be non-const.
7877         (parameters_force_valid_target): New function.
7878         (parameters_clear_target): New function.
7879         * parameters.h (class Parameters): Update declarations.  Remove
7880         default_target method.  Add sized_target and clear_target
7881         methods.  Change target_ to be non-const.
7882         (set_parameters_target): Update declaration.
7883         (parameters_force_valid_target): Declare.
7884         (parameters_clear_target): Declare.
7885         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7886         as NULL if we aren't searching.
7887         (Add_symbols::run): Don't check for compatible target.
7888         * fileread.cc (Input_file::open_binary): Call
7889         parameters_force_valid_target.
7890         * gold.cc (queue_middle_tasks): Likewise.
7891         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7892         set_target on object.
7893         * dynobj.h (class Sized_dynobj): Update declarations.
7894         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7895         make_elf_object returns NULL.
7896         (Archive::include_member): Don't check whether object target is
7897         compatible.
7898         * output.cc (Output_section::add_input_section): Get target from
7899         parameters.
7900         (Output_section::relax_input_section): Likewise.
7901         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7902         parameters.
7903         (Sized_relobj::do_scan_relocs): Likewise.
7904         (Sized_relobj::relocate_sections): Likewise.
7905         * resolve.cc (Symbol_table::resolve): Likewise.
7906         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7907         parameter.  Change all callers.
7908         (Symbol_table::add_from_object): Get target from parameters.
7909         (Symbol_table::add_from_relobj): Don't check object target.
7910         (Symbol_table::add_from_dynobj): Likewise.
7911         (Symbol_table::define_special_symbol): Get target from
7912         parameters.
7913         * symtab.h (class Symbol_table): Update declaration.
7914         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7915         parameter.  Change all callers.  Clear parameter target.
7916         (Binary_test): Test target here.
7917         * testsuite/object_unittest.cc (gold_testsuite): Remove
7918         target_test_pointer parameter.  Change all callers.
7919         (Object_test): Test target here.
7920
7921 2009-09-26  Ian Lance Taylor  <iant@google.com>
7922
7923         * testsuite/initpri1.c: Don't try to use constructor priorities if
7924         compiling with gcc before 4.3.
7925
7926 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7927
7928         * testsuite/retain_symbols_file_test.sh (check_present): Change
7929         output file name to retain_symbols_file_test.stdout.
7930         (check_absent): Likewise.
7931
7932 2009-09-18  Craig Silverstein  <csilvers@google.com>
7933
7934         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7935         * options.cc: Include <cerrno> and <fstream>.
7936         (General_options::finalize): Parse -retain-symbols-file tag.
7937         * options.h: New flag.
7938         (General_options): New method should_retain_symbol, new
7939         variable symbols_to_retain.
7940         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7941         should_retain_symbol map.
7942         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7943         * testsuite/Makefile.in: Regenerate.
7944         * testsuite/retain_symbols_file_test.sh: New file.
7945
7946 2009-09-18  Nick Clifton  <nickc@redhat.com>
7947
7948         * po/es.po: Updated Spanish translation.
7949
7950 2009-09-17  Doug Kwan  <dougkwan@google.com>
7951
7952         * debug.h (DEBUG_RELAXATION): New constant.
7953         (DEBUG_ALL): Add DEBUG_RELAXATION.
7954         (debug_string_to_enum): Add relaxation debug option.
7955         * layout.cc
7956         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7957         Layout::Relaxation_debug_check::read_sections,
7958         Layout::Relaxation_debug_check::read_sections): New method definitions.
7959         (Layout::Layout): Initialize data members
7960         record_output_section_data_from_scrips_,
7961         script_output_section_data_list_ and relaxation_debug_check_.
7962         (Layout::save_segments, Layout::restore_segments,
7963         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7964         Layout::relaxation_loop_body): New method definitions.
7965         (Layout::finalize): Support relaxation.  Move section layout code to
7966         Layout::relaxation_loop_body.
7967         (Layout::set_asection_address_from_script): Move code for orphan
7968         section placement out.
7969         (Layout::place_orphan_sections_in_script): New method definition.
7970         * layout.h (Output_segment_headers, Output_file_header):
7971         New forward class declarations.
7972         (Layout::~Layout): Define.
7973         (Layout::new_output_section_data_from_script): New method definition.
7974         (Layout::place_orphan_sections_in_script): New method declaration.
7975         (Layout::Segment_states): New type declaration.
7976         (Layout::save_segments, Layout::restore_segments,
7977         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7978         Layout::relaxation_loop_body): New method declarations.
7979         (Layout::Output_section_data_list): New type declaration.
7980         (Layout::Relaxation_debug_check): New class definition.
7981         (Layout::record_output_section_data_from_script_,
7982         Layout::script_output_section_data_list_, Layout::segment_states_,
7983         Layout::relaxation_debug_check_): New data members.
7984         * output.cc: (Output_section_headers::do_size): New method definition.
7985         (Output_section_headers::Output_section_headers): Move size
7986         computation to Output_section_headers::do_size.
7987         (Output_segment_headers::do_size): New method definition.
7988         (Output_file_header::Output_file_header): Move size computation to
7989         Output_file_header::do_size and call it.
7990         (Output_file_header::do_size): New method definition.
7991         (Output_data_group::Output_data_group): Adjust call to
7992         Output_section_data.
7993         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7994         (Output_symtab_xindex::do_write): Add array bound check.
7995         (Output_section::Input_section::print_to_mapfile): Handle
7996         RELAXED_INPUT_SECTION_CODE.
7997         (Output_section::Output_section): Initialize data member checkpoint_.
7998         (Output_section::~Output_section): Delete checkpoint object pointed
7999         by checkpoint_.
8000         (Output_section::add_input_section): Always add an Input_section if
8001         relaxing.
8002         (Output_section::add_merge_input_section): Add assert.
8003         (Output_section::relax_input_section): New method definition.
8004         (Output_section::set_final_data_size): Set load address to zero for
8005         an unallocated section.
8006         (Output_section::do_address_and_file_offset_have_reset_values):
8007         New method definition.
8008         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8009         Handle relaxed input section.
8010         (Output_section::sort_attached_input_sections): Checkpoint input
8011         section list lazily.
8012         (Output_section::get_input_sections): Change type of input_sections to
8013         list of Simple_input_section pointers.  Checkpoint input section list
8014         lazily.  Also handle relaxed input sections.
8015         (Output_section::add_input_section_for_script): Take a reference to
8016         a Simple_input_section object instead of Relobj pointer and section
8017         index as parameter.  Handle relaxed input sections.
8018         (Output_section::save_states, Output_section::restore_states): New
8019         method definitions.
8020         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8021         (Output_data::is_data_size_fixed): New method definition.
8022         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8023         if it is fixed.
8024         (Output_data::address_and_file_offset_have_reset_values): New method
8025         definition.
8026         (Output_data::do_address_and_file_offset_have_reset_values): New method
8027         definition.
8028         (Output_data::set_data_size): Check that data size is not fixed.
8029         (Output_data::fix_data_size): New method definition.
8030         (Output_data::is_data_size_fixed_): New data member.
8031         (Output_section_headers::set_final_data_size): New method definition.
8032         (Output_section_headers::do_size): New method declaration.
8033         (Output_segment_headers::set_final_data_size): New method definition.
8034         (Output_segment_headers::do_size): New method declaration.
8035         (Output_file_header::set_final_data_size)::New method definition.
8036         (Output_file_header::do_size)::New method declaration.
8037         (Output_section_data::Output_section_data): Add new parameter
8038         is_data_size_fixed and use it to fix data size.
8039         (Output_data_const::Output_data_const): Adjust call to base class
8040         constructor and fix data size.
8041         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8042         base class constructor and fix data size.
8043         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8044         base class constructor and fix data size.
8045         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8046         class constructor and fix data size.
8047         (Output_data_group::set_final_data_size): New method definition.
8048         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8049         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8050         class constructor and fix data size.
8051         (Output_relaxed_input_section): New class definition.
8052         (Output_section::Simple_input_section): New class definition.
8053         (Output_section::get_input_sections): Adjust parameter list.
8054         (Output_section::add_input_section_for_script): Same.
8055         (Output_section::save_states, Output_section::restore_states,
8056         Output_section::do_address_and_file_offset_have_reset_values,
8057         (Output_section::Input_section::Input_section): Handle
8058         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8059         Output_relaxed_input_section.
8060         (Output_section::Input_section::is_input_section,
8061         Output_section::Input_section::set_output_section): Handle relaxed
8062         input section.
8063         (Output_section::Input_section::is_relaxed_input_section,
8064         Output_section::Input_section::output_section_data,
8065         Output_section::Input_section::relaxed_input_section): New method
8066         definitions.
8067         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8068         value.
8069         (Output_section::Input_section::u1_): Update comments.
8070         (Output_section::Input_section::u2_): Add new union member poris.
8071         (Output_section::Checkpoint_output_section): New classs definition.
8072         (Output_section::relax_input_section): New method declaration.
8073         (Output_section::checkpoint_): New data member.
8074         (Output_segment): Update comments.
8075         (Output_segment::Output_segment): Un-privatize copy constructor.
8076         (Output_segment::operator=): Un-privatize.
8077         * script-sections.cc (Output_section_element::Input_section_list):
8078         Change element type to Output_section::Simple_input_section.
8079         (Output_section_element_dot_assignment::set_section_addresses):
8080         Register output section data for relaxation clean up.
8081         (Output_data_exression::Output_data_expression): Adjust call to base
8082         constructor to fix data size.
8083         (Output_section_element_data::set_section_addresses): Register
8084         Output_data_expression object for relaxation clean up.
8085         (struct Input_section_info): Replace Relobj pointer and section index
8086         pair with Output_section::Simple_input_section and Convert struct to a
8087         class.
8088         (Input_section_sorter::operator()): Adjust access to
8089         Input_section_info data member to use accessors.
8090         (Output_section_element_input::set_section_addresses): Use layout
8091         parameter.  Adjust code to use Output_section::Simple_input_section
8092         and Input_secction_info classes.  Register filler for relaxation
8093         clean up.
8094         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8095         and section index pair with Output_section::Simple_input_section
8096         class.  Adjust code accordingly.
8097         (Phdrs_element::release_segment): New method definition.
8098         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8099         segment list.
8100         (Script_sections::release_segments): New method definition.
8101         * gold/script-sections.h (Script_sections::release_segments): New
8102         method declaration.
8103         * gold/target.h (Target::may_relax, Target::relax,
8104         Target::do_may_relax, Target::do_relax): New method definitions.
8105
8106 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8107
8108         * arm.cc (has_signed_unsigned_overflow): New function.
8109         (Arm_relocate_functions::abs8): New function.
8110         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8111         (Target_arm::Scan::global): Likewise.
8112         (Target_arm::relocate::relocate): Likewise.
8113         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8114         Likewise.
8115
8116 2009-09-16  Cary Coutant  <ccoutant@google.com>
8117
8118         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8119         * testsuite/Makefile.in: Regenerate.
8120
8121 2009-09-11  Nick Clifton  <nickc@redhat.com>
8122
8123         * po/gold.pot: Updated by the Translation project.
8124
8125 2009-09-08  Cary Coutant  <ccoutant@google.com>
8126
8127         * output.cc (Output_file::open): Add execute permission to empty file.
8128         * testsuite/Makefile.am (permission_test): New test.
8129         * testsuite/Makefile.in: Regenerate.
8130
8131 2009-09-02  Ian Lance Taylor  <iant@google.com>
8132
8133         * output.cc (Output_file::resize): Call map_no_anonymous rather
8134         than map.
8135
8136 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8137
8138         * gold.cc: Include "incremental.h".
8139         (queue_initial_tasks): Call Incremental_checker methods.
8140         * incremental.cc: Include "output.h".
8141         (Incremental_checker::can_incrementally_link_output_file): New
8142         method.
8143         * incremental.h (Incremental_checker): New class.
8144
8145         * output.cc (Output_file::open_for_modification): New method.
8146         (Output_file::map_anonymous): Changed return type to bool.  Record
8147         map in base_ field.
8148         (Output_file::map_no_anonymous): New method, broken out of map.
8149         (Output_file::map): Use map_no_anonymous and map_anonymous.
8150         * output.h (class Output_file): Update declarations.
8151
8152 2009-08-24  Cary Coutant  <ccoutant@google.com>
8153
8154         * options.h (Command_line::Pre_options): New class.
8155         (Command_line::pre_options): New member.
8156         * options.cc (gold::options::ready_to_register): New variable.
8157         (One_option::register_option): Do nothing if not registering options.
8158         Assert if same short option registered twice.
8159         (General_options::General_options): Turn off option registration when
8160         done constructing.
8161         (Command_line::Pre_options::Pre_options): New constructor.
8162
8163 2009-08-24  Cary Coutant  <ccoutant@google.com>
8164
8165         * options.h (General_options::no_keep_memory): Remove incorrect
8166         short option.
8167
8168 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8169
8170         * Makefile.am (am__skiplex, am__skipyacc): New.
8171         * Makefile.in: Regenerate.
8172
8173 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8174
8175         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8176         (INCLUDES): ... this.
8177         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8178         (AM_CPPFLAGS): Renamed from ...
8179         (INCLUDE): ... this.
8180         * Makefile.in, testsuite/Makefile.in: Regenerate.
8181
8182         * Makefile.in: Regenerate.
8183         * aclocal.m4: Likewise.
8184         * config.in: Likewise.
8185         * configure: Likewise.
8186         * testsuite/Makefile.in: Likewise.
8187
8188         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8189         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8190         * Makefile.in: Regenerate.
8191         * testsuite/Makefile.in: Regenerate.
8192
8193 2009-08-19  Cary Coutant  <ccoutant@google.com>
8194
8195         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8196         symbols in shared libraries overridden by hidden or internal symbols
8197         in the main program.
8198
8199 2009-08-19  Chris Demetriou  <cgd@google.com>
8200
8201         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8202         checking source file names in error messages.
8203
8204 2009-08-18  Doug Kwan  <dougkwan@google.com>
8205
8206         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8207         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8208         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8209         an elfcpp::Ehdr as parameter.
8210         * object.cc (Object::set_target): Remove the version that looks up
8211         a target and sets it.
8212         (Sized_relobj::setup): Take a Target object instead of
8213         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8214         (make_elf_sized_object): Find target and ask target to
8215         make an ELF object.
8216         * object.h: (Object::set_target): Remove the version that looks up
8217         a target and sets it.
8218         (Sized_relobj::setup): Take a Target object instead of
8219         an elfcpp:Ehdr as parameter.
8220         * target.cc: Include dynobj.h.
8221         (Target::do_make_elf_object_implementation): New.
8222         (Target::do_make_elf_object): New.
8223         * target.h (Target::make_elf_object): New template declaration.
8224         (Target::do_make_elf_object): New method declarations.
8225         (Target::do_make_elf_object_implementation): New template declaration.
8226
8227 2009-08-14  Ian Lance Taylor  <iant@google.com>
8228
8229         * gold.h (FUNCTION_NAME): Define.
8230         (gold_unreachable): Use FUNCTION_NAME.
8231
8232 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8233
8234         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8235         symbol in the --keep-unique list is not found.
8236
8237 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8238
8239         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8240         been maked as --keep-unique.
8241         (Icf::unfold_section): New function.
8242         * icf.h (Icf::unfold_section): New function.
8243         * options.h (General_options::keep_unique): New option.
8244         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8245         * testsuite/Makefile.in: Regenerate.
8246         * testsuite/icf_keep_unique_test.sh: New file.
8247         * testsuite/icf_keep_unique_test.cc: New file.
8248
8249 2009-08-12  Cary Coutant  <ccoutant@google.com>
8250
8251         PR 10471
8252         * resolve.cc (Symbol_table::resolve): Check for references from
8253         dynamic objects to hidden and internal symbols.
8254         * testsuite/Makefile.am (hidden_test.sh): New test.
8255         * testsuite/Makefile.in: Regenerate.
8256         * testsuite/hidden_test.sh: New script.
8257         * testsuite/hidden_test_1.c: New test source.
8258         * testsuite/hidden_test_main.c: New test source.
8259
8260 2009-08-11  Doug Kwan  <dougkwan@google.com>
8261
8262         * arm.cc: Update comments.
8263         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8264         segment to locate the .ARM.exidx section if present.
8265
8266 2009-08-09  Doug Kwan  <dougkwan@google.com>
8267
8268         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8269         patch.
8270
8271 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8272         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8273         compiler warnings.
8274
8275 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8276
8277         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8278         valid tls_segment only for non-debug-section relocations.
8279         * testsuite/Makefile.am: Add gc_tls_test.
8280         * testsuite/Makefile.in: Regenerate.
8281         * testsuite/gc_tls_test.cc: New file.
8282         * testsuite/gc_tls_test.sh: New file.
8283
8284 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8285
8286         * icf.cc: New file.
8287         * icf.h: New file.
8288         * Makefile.am (CCFILES): Add icf.cc.
8289         (HFILES): Add icf.h
8290         * Makefile.in: Regenerate.
8291         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8292         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8293         section, symbol and addend information for the relocs.
8294         * gold.cc (queue_middle_tasks): Call identical code folding.
8295         * gold.h: Add defines for multimap.
8296         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8297         to the call of finalize_local_symbols.
8298         * main.cc (main): Create object of class Icf.
8299         * object.cc (Sized_relobj::do_layout): Allow this function to be
8300         called twice during icf.
8301         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8302         to sections marked as identical by icf.
8303         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8304         when available.
8305         (Sized_relobj::do_section_entsize): New function.
8306         * object.h (Object::section_entsize): New function.
8307         (Object::do_section_entsize): New pure virtual function.
8308         (Relobj::finalize_local_symbols): Add new parameter.
8309         (Relobj::do_section_entsize): New function.
8310         * options.h (General_options::icf): New option.
8311         (General_options::icf_iterations): New option.
8312         (General_options::print_icf_sections): New option.
8313         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8314         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8315         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8316         icf.
8317         * symtab.cc (Symbol_table::is_section_folded): New function.
8318         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8319         to sections marked as identical by icf.
8320         * symtab.h (Symbol_table::set_icf): New function.
8321         (Symbol_table::icf): New function.
8322         (Symbol_table::is_section_folded): New function.
8323         (Symbol_table::icf_): New data member.
8324         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8325         * testsuite/Makefile.am: Add commands to build icf_test.
8326         * testsuite/Makefile.in: Regenerate.
8327         * testsuite/icf_test.sh: New file.
8328         * testsuite/icf_test.cc: New file.
8329
8330 2009-07-24  Chris Demetriou  <cgd@google.com>
8331
8332         * layout.cc (is_compressible_debug_section): Fix incorrect
8333         comment about compressed section names.
8334
8335 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8336
8337         PR 10419
8338         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8339
8340 2009-07-16  Ian Lance Taylor  <iant@google.com>
8341
8342         PR 10400
8343         * layout.h: #include <map>.
8344         (class Kept_section): Change from struct to class.  Add accessors
8345         and setters.  Add section size to Comdat_group mapping.  Change
8346         Comdat_group to std::map.  Add is_comdat_ field.  Add
8347         linkonce_size field in union.
8348         (class Layout): Update declaration of find_or_add_kept_section.
8349         Don't declare find_kept_object.
8350         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8351         parameter.  Add object, shndx, is_comdat, and is_group_name
8352         parameters.  Change all callers.  Adjust for new Kept_section.
8353         (Layout::find_kept_object): Remove.
8354         * object.cc (Sized_relobj::include_section_group): Update use of
8355         Kept_section.  Rename secnum to shndx.  Only record
8356         Kept_comdat_section if sections are the same size.
8357         (Sized_relobj::include_linkonce_section): Update use of
8358         Kept_section.  Only record Kept_comdat_section if sections are the
8359         same size.  Set size of linkonce section.
8360         (Sized_relobj::map_to_kept_section): Update call to
8361         get_kept_comdat_section.
8362         * object.h (class Sized_relobj): Rename fields in
8363         Kept_comdat_section to drop trailing underscores; change object
8364         field to Relobj*.  Change Kept_comdat_section_table to store
8365         struct rather than pointer.
8366         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8367         Add kept_object and kept_shndx parameters.  Change all callers.
8368         (Sized_relobj::get_kept_comdat_section): Change return type to
8369         bool.  Add kept_object and kept_shndx parameters.  Change all
8370         callers.
8371         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8372         Layout::find_or_add_kept_section.
8373
8374 2009-07-09  Ian Lance Taylor  <iant@google.com>
8375
8376         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8377         Reserve space in the hash table.
8378
8379 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8380
8381         * fileread.cc (File_read::get_mtime): New method.
8382         * fileread.h (Timespec): New structure.
8383         (File_read::get_mtime): New method.
8384         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8385         Renamed from timestamp_nsec.
8386         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8387         Elf_Xword.
8388         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8389         timestamp_nsec.
8390         (Incremental_inputs::report_archive): Save mtime; style fix.
8391         (Incremental_inputs::report_obejct): Save mtime; style fix.
8392         (Incremental_inputs::report_script): Save mtime; style fix.
8393         (Incremental_inputs::finalize_inputs): Style fix.
8394         (Incremental_inputs::finalize): Style fix.
8395         (Incremental_inputs::create_input_section_data): Store inputs
8396         mtime.
8397         * incremental.h (Incremental_inputs::report_script): Add mtime
8398         argument.
8399         (Incremental_inputs::Input_info::Input_info): Intialize only one
8400         union member.
8401         (Incremental_inputs::Input_info::archive): Move to nameless
8402         union.
8403         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8404         (Incremental_inputs::Input_info::script): Move to nameless union.
8405         (Incremental_inputs::mtime): New field.
8406         * script.cc (read_input_script): Pass file mtime to
8407         Incremental_input.
8408         * script.h (Script_info::inputs): Style fix.
8409
8410 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8411
8412         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8413         instead of 32.
8414
8415 2009-06-24  Ian Lance Taylor  <iant@google.com>
8416
8417         PR 10156
8418         * layout.cc (Layout::choose_output_section): If we find an
8419         existing section, update the flags.
8420         (Layout::create_notes): New function, broken out of
8421         Layout::finalize.
8422         (Layout::finalize): Don't create note sections.
8423         (Layout::create_note): Don't crash if linker script discards
8424         section.
8425         (Layout::create_gold_note): Likewise.
8426         (Layout::create_build_id): Likewise.  Don't set
8427         after_input_sections on the section.
8428         (Layout::create_executable_stack_info): Remove target parameter.
8429         Change caller.
8430         * layout.h (class Layout): Declare create_notes.  Update
8431         declaration of create_executable_stack_info.
8432         * gold.cc (queue_middle_tasks): Call create_notes.
8433         * output.cc (Output_section::update_flags_for_input_section): Move
8434         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8435         invalid.
8436         * output.h (Output_data::mark_address_invalid): New function.
8437         (class Output_section): Only declare, not define,
8438         update_flags_for_input_section.  Remove set_flags.
8439
8440 2009-06-24  Ian Lance Taylor  <iant@google.com>
8441
8442         * script-sections.cc (Output_section_definition::
8443         set_section_addresses): Rename shadowing local load_address to
8444         laddr.
8445
8446 2009-06-24  Ian Lance Taylor  <iant@google.com>
8447
8448         PR 10244
8449         * reloc.cc (relocate_sections): Skip empty relocation sections.
8450
8451 2009-06-23  Ian Lance Taylor  <iant@google.com>
8452
8453         PR 10156
8454         * layout.cc (Layout::create_note): Use choose_output_section
8455         rather than make_output_section.
8456
8457 2009-06-23  Ian Lance Taylor  <iant@google.com>
8458
8459         PR 10237
8460         * options.cc (General_options::parse_V): Set printed_version_.
8461         (General_options::General_options): Initialize printed_version_.
8462         * options.h (class General_options): Add printed_version_ field.
8463         * gold.cc (queue_initial_tasks): If there are no input files,
8464         don't give a fatal error if we printed the version information.
8465         (queue_middle_tasks): If using -r with a shared object, give a
8466         fatal error rather than an ordinary error.
8467
8468 2009-06-23  Ian Lance Taylor  <iant@google.com>
8469
8470         PR 10219
8471         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8472         (Layout::make_output_section): Set have_stabstr_section_ if we see
8473         a .stab*str section.
8474         (Layout::finalize): Call link_stabs_sections.
8475         (Layout::link_stabs_sections): New file.
8476         * layout.h (class Layout): Add have_stabstr_section_ field.
8477         Declare link_stabs_sections.
8478
8479 2009-06-23  Doug Kwan  <dougkwan@google.com>
8480
8481         * Makefile.am (libgold_a_LIBADD): New.
8482         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8483         * Makefile.in: Regenerate.
8484         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8485         * configure: Regenerate.
8486         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8487         * fileread.cc: Include sys/state.h
8488         * gold.h: Declare memmem and strndup if found missing.
8489         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8490
8491 2009-06-23  Ian Lance Taylor  <iant@google.com>
8492
8493         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8494         * configure: Rebuild.
8495
8496 2009-06-23  Ian Lance Taylor  <iant@google.com>
8497
8498         PR 10147
8499         * object.cc (Object::section_contents): Don't try to get a view if
8500         the section has length zero.
8501         (Object::handle_gnu_warning_section): If the section is empty, use
8502         the name of the section as the warning.
8503
8504 2009-06-23  Ian Lance Taylor  <iant@google.com>
8505
8506         PR 10133
8507         * stringpool.h (class Stringpool_template): Add optimize_ field.
8508         (Stringpool_template::set_optimize): New function.
8509         * stringpool.cc (Stringpool_template::Stringpool_template):
8510         Initialize optimize_ field.
8511         (Stringpool_template::set_string_offsets): Test local optimize
8512         fild rather than parameter.
8513         * layout.cc (Layout::Layout): Call set_optimize on the section
8514         name stringpool.
8515
8516 2009-06-22  Ian Lance Taylor  <iant@google.com>
8517
8518         PR 10030
8519         * yyscript.y: Parse TARGET.
8520         * script.cc (script_set_target): New function.
8521         * script-c.h (script_set_target): Declare.
8522         * options.cc (General_options::string_to_object_format): Rename
8523         from string_to_object_format in anonymous namespace.  Change
8524         callers.
8525         * options.h (class General_options): Declare
8526         string_to_object_format.
8527
8528 2009-06-22  Ian Lance Taylor  <iant@google.com>
8529
8530         * script-sections.cc (Script_sections::create_segments): Don't put
8531         program headers in a PT_LOAD segment if -n or -N.
8532
8533 2009-06-22  Ian Lance Taylor  <iant@google.com>
8534
8535         PR 10141
8536         * options.h (class General_options): Add -z lazy and -z now.  Sort
8537         -z options into alphabetical order.
8538         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8539
8540 2009-06-21  Ian Lance Taylor  <iant@google.com>
8541
8542         * layout.cc (Layout::make_output_section): Call
8543         Target::new_output_section.
8544         (Layout::attach_allocated_section_to_segment): Put large section
8545         sections in a separate load segment with the large segment flag
8546         set.
8547         (Layout::segment_precedes): Sort large data segments after other
8548         load segments.
8549         (align_file_offset): New static function.
8550         (Layout::set_segment_offsets): Use align_file_offset.
8551         * output.h (class Output_section): Add is_small_section_ and
8552         is_large_section_ fields.
8553         (Output_section::is_small_section): New function.
8554         (Output_section::set_is_small_section):  New function.
8555         (Output_section::is_large_section): New function.
8556         (Output_section::set_is_large_section): New function.
8557         (Output_section::is_large_data_section): New function.
8558         (class Output_segment): Add is_large_data_segment_ field.
8559         (Output_segment::is_large_data_segment): New function.
8560         (Output_segment::set_is_large_data_segment): New function.
8561         * output.cc (Output_section::Output_section): Initialize new
8562         fields.
8563         (Output_segment::Output_segment): Likewise.
8564         (Output_segment::add_output_section): Add assertion that large
8565         data sections always go in large data segments.  Force small data
8566         sections to the end of the list of data sections.  Force small BSS
8567         sections to the start of the list of BSS sections.  For large BSS
8568         sections to the end of the list of BSS sections.
8569         * symtab.h (class Symbol): Declare is_common_shndx.
8570         (Symbol::is_defined): Check Symbol::is_common_shndx.
8571         (Symbol::is_common): Likewise.
8572         (class Symbol_table): Define enum Commons_section_type.  Update
8573         declarations.  Add small_commons_ and large_commons_ fields.
8574         * symtab.cc (Symbol::is_common_shndx): New function.
8575         (Symbol_table::Symbol_table): Initialize new fields.
8576         (Symbol_table::add_from_object): Put small and large common
8577         symbols in the right list.
8578         (Symbol_table::sized_finalized_symbol): Check
8579         Symbol::is_common_shndx.
8580         (Symbol_table::sized_write_globals): Likewise.
8581         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8582         common symbol lists.  Don't call do_allocate_commons_list if the
8583         list is empty.
8584         (Symbol_table::do_allocate_commons_list): Remove is_tls
8585         parameter.  Add comons_section_type parameter.  Change all
8586         callers.  Handle small and large common symbols.
8587         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8588         Symbol::is_common_shndx.
8589         * resolve.cc (symbol_to_bits): Likewise.
8590         * target.h (Target::small_common_shndx): New function.
8591         (Target::small_common_section_flags): New function.
8592         (Target::large_common_shndx): New function.
8593         (Target::large_common_section_flags): New function.
8594         (Target::new_output_section): New function.
8595         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8596         small_common_section_flags, and large_common_section_flags
8597         fields.
8598         (Target::do_new_output_section): New virtual function.
8599         * arm.cc (Target_arm::arm_info): Initialize new fields.
8600         * i386.cc (Target_i386::i386_info): Likewise.
8601         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8602         Likewise.
8603         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8604         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8605         (Target_x86_64::do_new_output_section): New function.
8606         * configure.ac: Define conditional MCMODEL_MEDIUM.
8607         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8608         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8609         (large_LDFLAGS): Define.
8610         * testsuite/large.c: New file.
8611         * testsuite/testfile.cc (Target_test::test_target_info):
8612         Initialize new fields.
8613         * configure, testsuite/Makefile.in: Rebuild.
8614
8615 2009-06-05  Doug Kwan  <dougkwan@google.com>
8616
8617         * Makefile.am (CCFILES): Add target.cc.
8618         * Makefile.in: Regenerate.
8619         * i386.cc (class Target_i386): Define new virtual method to
8620         override do_is_local_label_name in parent.
8621         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8622         local symbols if --discard-locals or -X is given.
8623         * options.h (class General_options): Declare new options
8624         '--discard-locals' and '-X' for discarding locals.
8625         * target.h (class Target): Define new methods is_local_label_name.
8626         Declare new virtual method do_is_local_label_name.
8627         * target.cc: New file.
8628         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8629         (check_SCRIPTS): Add discard_locals_test.sh.
8630         (check_DATA): Add discard_local_tests.syms.
8631         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8632         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8633         * testsuite/Makefile.in: Regenerate.
8634         * testsuite/discard_locals_test.c: New file.
8635         * testsuite/discard_locals_test.sh: Same.
8636
8637 2009-06-05  Doug Kwan  <dougkwan@google.com>
8638
8639         * object.cc (Sized_relobj::Sized_relobj): Initialize
8640         discarded_eh_frame_shndx_ to -1U.
8641         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8642         section.
8643         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8644         a discarded .eh_frame section.
8645         (Sized_relobj::do_finalize_local_symbols): Ditto.
8646         * object.h (class Sized_relobj): Declare new member
8647         discarded_eh_frame_shndx_.
8648         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8649         (local_labels_test.o, local_labels_test): New rules.
8650         * testsuite/Makefile.in: Regenerate.
8651
8652 2009-06-04  Doug Kwan  <dougkwan@google.com>
8653
8654         * layout.cc (Layout::section_name_mapping): Add mapping for
8655         special ARM sections.
8656
8657 2009-06-03  Doug Kwan  <dougkwan@google.com>
8658
8659         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8660         (utils::has_overflow): Same.
8661
8662 2009-06-03  Ian Lance Taylor  <iant@google.com>
8663
8664         * layout.cc (Layout::section_name_mapping): New array, replacing
8665         Layout::linkonce_mapping.
8666         (Layout::section_name_mapping_count): New variable, replacing
8667         Layout::linkonce_mapping_count.
8668         (Layout::linkonce_output_name): Remove.
8669         (Layout::output_section_name): Rewrite.
8670         * layout.h (class Layout): Rename Linkonce_mapping to
8671         Section_name_mapping, linkonce_mapping to section_name_mapping,
8672         linkonce_mapping_count to section_name_mapping_count.  Don't
8673         declare linkonce_output_name.
8674
8675 2009-06-03  Doug Kwan  <dougkwan@google.com>
8676
8677         * gold/arm.cc (namespace utils): New.
8678         (Target_arm::reloc_is_non_pic): Define new method.
8679         (class Arm_relocate_functions): New.
8680         (Target_arm::Relocate::relocate): Handle relocation types used by
8681         Android.
8682
8683 2009-06-03  Ian Lance Taylor  <iant@google.com>
8684
8685         * arm.cc (Target_arm::scan::global): Use || instead of |.
8686
8687 2009-06-02  Doug Kwan  <dougkwan@google.com>
8688
8689         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8690         issued_non_pic_error_.
8691         (class Target_arm::Scan): Declare new method check_non_pic.
8692         Define new method symbol_needs_plt_entry.
8693         Declare new data member issued_non_pic_error_.
8694         (class Target_arm::Relocate): Declare new method
8695         should_apply_static_reloc.
8696         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8697         (Target_arm::Scan::check_non_pic): Define new method.
8698         (Target_arm::Scan::local): Handle a small subset of reloc types used
8699         by Android.
8700         (Target_arm::Scan::local): Same.
8701         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8702
8703 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8704
8705         * incremental.cc (Incremental_inputs::report_command_line): Filter
8706         out --incremental-* options.
8707
8708 2009-05-29  Doug Kwan  <dougkwan@google.com>
8709
8710         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8711         template class.
8712         (class Target_arm): Update comment.
8713         (Target_arm::Target_arm): Initialize new data members GOT_,
8714         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8715         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8716         and Target_arm::rel_dyn_section.
8717         Declare new_enum Target_arm::Got_type.
8718         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8719         and DYNBSS_.
8720         Update commments for member do_dynsym_value.
8721         (Target_arm::got_size, Target_arm::plt_section,
8722         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8723         new methods inside class defintion.
8724         (Target_arm::got_section): Define new method.
8725         (Target_arm::rel_dyn_section): Same.
8726         (Output_data_plt_arm): New template class.
8727         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8728         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8729         (Output_data_plt_arm::add_entry): Same.
8730         (Output_data_plt_arm::first_plt_entry): Define new
8731         static data member for PLT instruction template.
8732         (Output_data_plt_arm::plt_entry): Same.
8733         (Output_data_plt_arm::do_write): Define new method.
8734         (Target_arm::make_plt_entry): Same.
8735         (Target_arm::do_finalize_sections): Same.
8736         (Target_arm::do_dynsym_value): Same.
8737
8738 2009-05-28  Doug Kwan  <dougkwan@google.com>
8739
8740         * Makefile.am (TARGETSOURCES): Add arm.cc.
8741         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8742         * Makefile.in: Regenerate.
8743         * arm.cc: New file.
8744         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8745
8746 2009-05-26  Doug Kwan  <dougkwan@google.com>
8747
8748         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8749         (General_options::check_excluded_libs): Strip off directories in
8750         archive name before matching like GNU ld does.
8751         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8752         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8753         (exclude_libs_test_LDFLAGS): Add linker option
8754         -Wl,--exclude-libs,libexclude_libs_test_3
8755         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8756         an explicit archive without using -l.
8757         (alt/libexclude_libs_test_3.a): New make rule.
8758         * testsuite/Makefile.in: Regenerate.
8759         * testsuite/exclude_libs_test.c : Declare lib3_default().
8760         (main): Call it.
8761         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8762         * exclude_libs_test_3.c: New file.
8763
8764 2009-05-26  Nick Clifton  <nickc@redhat.com>
8765
8766         * po/id.po: New Indonesian translation.
8767         * po/gold.pot: Updated template file.
8768
8769 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8770
8771         * testsuite/Makefile.am: Add -ffunction-sections to compile
8772         gc_comdat_test files.  Add -Wl,--gc-sections to build
8773         gc_comdat_test.
8774         * testsuite/Makefile.in: Regenerate.
8775         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8776
8777 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8778
8779         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8780         kept comdat section was garbage collected.
8781         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8782         * testsuite/Makefile.in: Regenerate.
8783         * testsuite/gc_comdat_test.sh: New file.
8784         * testsuite/gc_comdat_test_1.cc: New file.
8785         * testsuite/gc_comdat_test_2.cc: New file.
8786
8787 2009-05-19  Doug Kwan  <dougkwan@google.com>
8788
8789         * archive.cc (Archive::Archive): Move constructor from archive.h
8790         to here.  Initialize no_export_.
8791         (Archive::get_elf_object_for_member): Set no_export flag of object.
8792         * archive.h (Archive::Archive): Move constructor body to
8793         archive.cc.
8794         (Archive::no_export): New method.
8795         (Archive::no_export_): New field.
8796         * object.h (Object::Object): Initialize no_export_ to false.
8797         (Object::no_export, Object::set_no_export): New methods.
8798         (Object::no_export_): New field.
8799         * options.cc (General_options::parse_exclude_libs): New method.
8800         (General_options::check_excluded_libs) Same.
8801         * options.h (exclude_libs): New option.
8802         (General_options::check_excluded_libs): New method declaration.
8803         (General_options::excluded_libs_): New field.
8804         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8805         default or protected visibility if an object has no-export flag set.
8806         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8807         (check_SCRIPTS): Add exclude_libs_test.sh.
8808         (check_DATA): Add exclude_libs_test.syms.
8809         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8810         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8811         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8812         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8813         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8814         libexclude_libs_test_2.a): New rules.
8815         * testsuite/Makefile.in: Regenerate.
8816         * testsuite/exclude_libs_test.c: New file.
8817         * testsuite/exclude_libs_test.sh: Ditto.
8818         * testsuite/exclude_libs_test_1.c: Ditto.
8819         * testsuite/exclude_libs_test_2.c: Ditto.
8820
8821 2009-05-15  Ian Lance Taylor  <iant@google.com>
8822
8823         * configure.ac: Check for declarations for cases where libiberty.h
8824         checks HAVE_DECL_xxx.
8825         * configure, config.in: Rebuild.
8826
8827 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8828
8829         * gold.h (Incremental_argument_list): Remove (invalid) forward
8830         declaration.
8831         * incremental.cc (Incremental_inputs::report_achive): New method.
8832         (Incremental_inputs::report_object): New method.
8833         (Incremental_inputs::report_script): New method.
8834         (Incremental_inputs::finalize_inputs): New method.
8835         (Incremental_inputs::finalize): Call finalize_inputs().
8836         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8837         Create inputs entries.
8838         * incremental.h (Incremental_input_type): New enum.
8839         (Incremental_inputs::Incremental_input): Initialize new fields.
8840         (Incremental_inputs::report_inputs): New method.
8841         (Incremental_inputs::report_achive): New method.
8842         (Incremental_inputs::report_object): New method.
8843         (Incremental_inputs::report_script): New method.
8844         (Incremental_inputs::finalize_inputs): New method.
8845         (Incremental_inputs::Input_info): New struct.
8846         (Incremental_inputs::Input_info_map): New typedef.
8847         (Incremental_inputs::lock_): New field.
8848         (Incremental_inputs::Inputs_): New field.
8849         (Incremental_inputs::Inputs_map): New field.
8850         * main.cc (main): Call Incremental_input::report_inputs.
8851         * options.h (Input_argument_list): Typedef moved from
8852         Input_arguments.
8853         (Input_file_group::Files): Remove, use ::Input_argument_list.
8854         (Input_file_group::Input_argument_list): Remove, use
8855         ::Input_argument_list.
8856         * plugin.cc (Plugin_manager::add_input_file): Add error in
8857         incremental build.
8858         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8859         functions.
8860         * script.cc (read_input_script): Call
8861         Incremental_input::report_script.
8862         * script.h (Script_info): New class.
8863
8864 2009-04-27  Ian Lance Taylor  <iant@google.com>
8865
8866         * x86_64.cc (do_adjust_output_section): Set entsize to
8867         plt_entry_size.
8868
8869 2009-04-23  Elliott Hughes  <enh@google.com>
8870
8871         * output.cc (Output_file::close): After short writes, continue
8872         writing from the correct offset in the buffer being written.
8873
8874 2009-04-23  Chris Demetriou  <cgd@google.com>
8875
8876         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8877         * configure: Regenerate.
8878         * config.in: Regenerate.
8879         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8880         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8881
8882 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8883
8884         * incremental.cc (Incremental_inputs_header_data): Renamed from
8885         Incremental_input_header_data.
8886         (Incremental_inputs_header_data::data_size): New field.
8887         (Incremental_inputs_header_data::put_input_file_count): Renamed
8888         from input_file_count.
8889         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8890         from command_line_offset.
8891         (Incremental_inputs_header_data::put_reserved): Renamed from
8892         put_reserved.
8893         (Incremental_inputs_entry_data): Renamed from
8894         Incremental_input_entry_data.
8895         (Incremental_inputs_entry_data::data_size): New field.
8896         (Incremental_inputs::report_command_line): New method.
8897         (Incremental_inputs::finalize): New method.
8898         (Incremental_inputs::create_incremental_inputs_data): New method.
8899         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8900         * incremental.h: New file.
8901         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8902        (Layout::finalize): Create incremental inputs section in
8903         incremental builds.
8904        (Layout::create_incremental_info_sections): New method.
8905         * layout.h (Layout::incremental_inputs): New method.
8906        (Layout::create_incremental_info_sections): New method.
8907        (Layout::incremental_inputs_): New field.
8908         * main.cc (main): Notify Incremental_input of the command line.
8909
8910 2009-04-01  Ian Lance Taylor  <iant@google.com>
8911             Mikolaj Zalewski  <mikolajz@google.com>
8912
8913         * gold.h (reserve_unordered_map): Define, three versions, one for
8914         each version of Unordered_map.
8915         * layout.cc (Layout::Layout): Remove options parameter.  Add
8916         number_of_input_files parameter.  Don't initialize options_.
8917         Initialize number_of_input_files_ and resized_signatures_.  Move
8918         sections_are_attached_.
8919         (Layout::layout_group): Reserve space for group_signatures_.
8920         (Layout::find_or_add_kept_section): Change name parameter to be a
8921         reference.  Resize signatures_ map when it gets large enough.
8922         (Layout::layout_eh_frame): Use parameters->options() instead of
8923         this->options_.
8924         (Layout::make_output_section): Likewise.
8925         (Layout::attach_allocated_section_to_segment): Likewise.
8926         (Layout::finalize, Layout::create_executable_stack): Likewise.
8927         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8928         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8929         * layout.h (class Layout): Update declarations.  Remove options_
8930         field.  Add number_of_input_files_ and resized_signatures_
8931         fields.  Move sections_are_attached_ field.
8932         * main.cc (main): Pass number of input files to Layout
8933         constructor.  Don't pass options.
8934
8935 2009-03-30  Ian Lance Taylor  <iant@google.com>
8936
8937         * ffsll.c (ffsll): Correct implementation.
8938
8939 2009-03-27  Ian Lance Taylor  <iant@google.com>
8940
8941         * ffsll.c: New file.
8942         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8943         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8944         * ftruncate.c (ftruncate): Declare before definition.
8945         * mremap.c (mremap): Likewise.
8946         * pread.c (pread): Likewise.
8947         * configure, Makefile.in, config.in: Rebuild.
8948
8949         * mremap.c: New file.
8950         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8951         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8952         (mremap): Declare if HAVE_MREMAP is not defined.
8953         * configure, Makefile.in, config.in: Rebuild.
8954
8955 2009-03-27  Cary Coutant  <ccoutant@google.com>
8956
8957         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8958         position independent.
8959         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8960         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8961
8962 2009-03-24  Cary Coutant  <ccoutant@google.com>
8963
8964         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8965         an executable.
8966         (needs_dynamic_reloc): Likewise.
8967
8968 2009-03-24  Ian Lance Taylor  <iant@google.com>
8969
8970         * yyscript.y (file_cmd): Recognize EXTERN.
8971         (extern_name_list, extern_name_list_body): New nonterminals.
8972         * script.cc (script_add_extern): Define.
8973         * script-c.h (script_add_extern): Declare.
8974
8975 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8976
8977         * object.cc (is_elf_object): Define.
8978         * object.h (is_elf_object): Declare.
8979         * archive.cc (Archive::get_elf_object_for_member): Call
8980         is_elf_object.
8981         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8982
8983 2009-03-24  Elliott Hughes  <enh@google.com>
8984
8985         * output.cc (Output_file::map_anonymous): Define.
8986         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8987         try an anonymous one.  Report the size if the mmap fails.
8988         * output.h (class Output_file): Declare map_anonymous.
8989
8990 2009-03-24  Ian Lance Taylor  <iant@google.com>
8991
8992         * target-select.cc (instantiate_target): Don't acquire the lock if
8993         the instantiated_target_ field has already been set.
8994
8995 2009-03-23  Ian Lance Taylor  <iant@google.com>
8996
8997         * gold-threads.h (class Initialize_lock): Define.
8998         * gold-threads.cc (class Initialize_lock_once): Define.
8999         (initialize_lock_control): New static variable.
9000         (initialize_lock_pointer): New static variable.
9001         (initialize_lock_once): New static function.
9002         (Initialize_lock::Initialize_lock): Define.
9003         (Initialize_lock::initialize): Define.
9004         * target-select.h: Include "gold-threads.h".
9005         (class Target_selector): Add lock_ and initialize_lock_ fields.
9006         Don't define instantiate_target, just declare it.
9007         * target-select.cc (Target_selector::Target_selector): Initialize
9008         new fields.
9009         (Target_selector::instantiate_target): Define.
9010         * descriptors.h: Include "gold-threads.h".
9011         (class Descriptors): Add initialize_lock_ field.
9012         * descriptors.cc (Descriptors::Descriptors): Initialize new
9013         field.
9014         (Descriptors::open): Use initialize_lock_ field
9015         * errors.h (class Errors): Add initialize_lock_ field.
9016         * errors.cc (Errors::Errors): Initialize new field.
9017         (Errors::initialize_lock): Use initialize_lock_ field.
9018         * powerpc.cc (class Target_selector_powerpc): Remove
9019         instantiated_target_ field.  In do_recognize call
9020         instantiate_target rather than do_instantiate_target.  In
9021         do_instantiate_target just allocate a new target.
9022         * sparc.cc (class Target_selector_sparc): Likewise.
9023
9024         * freebsd.h: New file.
9025         * i386.cc: Include "freebsd.h".
9026         (Target_i386): Derive from Target_freebsd rather than
9027         Sized_target.
9028         (Target_selector_i386): Derive from Target_selector_freebsd rather
9029         than Target_selector.
9030         * x86_64.cc: Include "freebsd.h".
9031         (Target_x86_64): Derive from Target_freebsd rather than
9032         Sized_target.
9033         (Target_selector_x86_64): Derive from Target_selector_freebsd
9034         rather than Target_selector.
9035         * target.h (class Target): Add adjust_elf_header and
9036         do_adjust_elf_header.
9037         * output.cc (Output_file_header:: do_sized_write): Call target
9038         adjust_elf_header routine.
9039         * configure.tgt: Set targ_osabi.
9040         * configure.ac: Define GOLD_DEFAULT_OSABI.
9041         * parameters.cc (Parameters::default_target): Pass
9042         GOLD_DEFAULT_OSABI to select_target.
9043         * target-select.h (class Target_selector): Make instantiate_target
9044         protected rather than private.
9045         * Makefile.am (HFILES): Add freebsd.h.
9046         * configure, Makefile.in, config.in: Rebuild.
9047
9048         * merge.cc (do_add_input_section): Correct pend value.  Change
9049         message about last entry not being null terminated from error to
9050         warning.
9051
9052 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9053
9054         * incremental.cc: New file.
9055         * Makefile.am (CCFILES): Add incremental.cc.
9056         * Makefile.in: Rebuild.
9057
9058 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9059
9060         * layout.cc (Layout::output_section_name): Preserve names
9061         of '.note.' sections.
9062
9063 2009-03-19  Ian Lance Taylor  <iant@google.com>
9064
9065         * descriptors.cc (Descriptors::open): Check that the options are
9066         valid before using them.
9067
9068 2009-03-18  Ian Lance Taylor  <iant@google.com>
9069
9070         * script-sections.h: Include <list>.
9071         (class Script_sections): Change Sections_elements from std::vector
9072         to std::list.  Typedef public Elements_iterator.  Add
9073         orphan_section_placement_, data_segment_align_start_, and
9074         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9075         field.
9076         * script-sections.cc (class Orphan_section_placement): New class.
9077         (class Sections_element): Add virtual functions is_relro and
9078         orphan_section_init.  Remove virtual function place_orphan_here.
9079         (class Output_section_definition): Add is_relro and
9080         orphan_section_init.  Remove place_orphan_here.
9081         (class Orphan_output_section): Likewise.
9082         (Script_sections::Script_sections): Update for field changes.
9083         (Script_sections::data_segment_align): Set saw_data_segment_align_
9084         and data_segment_align_start_, not data_segment_align_index.
9085         (Script_sections::data_segment_relro_end): Check
9086         saw_data_segment_align_.  Use data_segment_align_start_ rather
9087         than data_segment_align_index_.
9088         (Script_sections::place_orphan): Rewrite to use
9089         Orphan_section_placement.
9090
9091 2009-03-17  Ian Lance Taylor  <iant@google.com>
9092
9093         * archive.cc (Archive::add_symbols): Check for a version attached
9094         to the symbol name in the archive map.
9095         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9096         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9097         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9098         (ver_test_11.a): New target.
9099         * testsuite/Makefile.in: Rebuild.
9100
9101         * configure.ac: Check for chsize and posix_fallocate.  Replace
9102         ftruncate.
9103         * ftruncate.c: New file, from gnulib.
9104         * output.cc (posix_fallocate): Define dummy version if not
9105         HAVE_POSIX_FALLOCATE.
9106         (Output_file::map): Call posix_fallocate rather than lseek and
9107         write.
9108         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9109         * configure, Makefile.in, config.in: Rebuild.
9110
9111 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9112
9113         * layout.h (Layout::create_note): Add section_name parameter.
9114         * layout.cc (Layout::create_note): Likewise.
9115         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9116
9117 2009-03-17  Ian Lance Taylor  <iant@google.com>
9118
9119         * descriptors.cc: Include "options.h".
9120         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9121         (Descriptors::open): Always use O_CLOEXEC when opening a new
9122         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9123         then set FD_CLOEXEC.
9124
9125         * sparc.cc (class Target_sparc): Add has_got_section.
9126         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9127         make sure we have a GOT section.
9128
9129         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9130         (Target_sparc::Scan::local): Likewise.
9131         (Target_sparc::Scan::global): Likewise.
9132         (Target_sparc::Relocate::relocate): Likewise.
9133         (Target_sparc::Relocate::relocate_tls): Likewise.
9134
9135         * symtab.cc (Symbol_table::define_default_version): New function,
9136         broken out of add_from_object.
9137         (Symbol_table::add_from_object): Call define_default_version.
9138         (Symbol_table::define_special_symbol): Add resolve_oldsym
9139         parameter.  Change all callers.  If the version for a symbol comes
9140         from a version script, resolve it with the symbol with the same
9141         name with no version.  Also add the symbol without a version if
9142         appropriate.
9143         (do_define_in_output_data): If resolving with oldsym, don't delete
9144         sym.
9145         (do_define_in_output_segment): Likewise.
9146         (do_define_as_constant): Likewise.
9147         * symtab.h (class Symbol_table): Update declarations.
9148
9149 2009-03-13  Ian Lance Taylor  <iant@google.com>
9150
9151         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9152         (Read_symbols::requeue): New function.
9153         (Read_symbols::do_read_symbols): If make_elf_object fails because
9154         the target type is not configured, and the file was searched for,
9155         issue a warning and retry with the next directory.
9156         (Add_symbols::run): If the file has an incompatible format, and
9157         it was searched for, requeue the Read_symbols task.  On error,
9158         release the object.
9159         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9160         dirindex parameter to constructor.  Change all callers.  Declare
9161         incompatible_warning and requeue.
9162         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9163         input_argument_ and input_group_ fields.  Add them to
9164         constructor.  Change all callers.
9165         (class Read_script): Add dirindex_ field.  Add it to constructor.
9166         Change all callers.
9167         * archive.cc (Archive::setup): Remove input_objects parameter.
9168         Change all callers.
9169         (Archive::get_file_and_offset): Likewise.
9170         (Archive::read_all_symbols): Likewise.
9171         (Archive::read_symbols): Likewise.
9172         (Archive::get_elf_object_for_member): Remove input_objects
9173         parameter.  Add punconfigured parameter.  Change all callers.
9174         (Archive::add_symbols): Change return type to bool.  Check return
9175         value of include_member.
9176         (Archive::include_all_members): Likewise.
9177         (Archive::include_member): Change return type to bool.  Return
9178         false if first included object has incompatible target.  Set
9179         included_member_ field.
9180         (Add_archive_symbols::run): If add_symbols returns false, requeue
9181         Read_symbols task.
9182         * archive.h (class Archive): Add included_member_ field.
9183         Initialize it in constructor.  Add input_file and searched_for
9184         methods.  Update declarations.
9185         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9186         input_argument_ fields.  Add them to constructor.  Change all
9187         callers.
9188         * script.cc: Include "target-select.h".
9189         (class Parser_closure): Add skip_on_incompatible_target_ and
9190         found_incompatible_target_ fields.  Add
9191         skip_on_incompatible_target parameter to constructor.  Change all
9192         callers.  Add methods skip_on_incompatible_target,
9193         clear_skip_on_incompatible_target, found_incompatible_target, and
9194         set_found_incompatible_target.
9195         (read_input_script): Add dirindex parameter.  Change all callers.
9196         If parser finds an incompatible target, requeue Read_symbols
9197         task.
9198         (script_set_symbol): Clear skip_on_incompatible_target in
9199         closure.
9200         (script_add_assertion, script_parse_option): Likewise.
9201         (script_start_sections, script_add_phdr): Likewise.
9202         (script_check_output_format): New function.
9203         * script.h (read_input_script): Update declaration.
9204         * script-c.h (script_check_output_format): Declare.
9205         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9206         (ignore_cmd): Remove OUTPUT_FORMAT.
9207         * fileread.cc (Input_file::Input_file): Add explicit this.
9208         (Input_file::will_search_for): New function.
9209         (Input_file::open): Add pindex parameter.  Change all callers.
9210         * fileread.h (class Input_file): Add input_file_argument method.
9211         Declare will_search_for.  Update declarations.
9212         * object.cc (make_elf_object): Add punconfigured parameter.
9213         Change all callers.
9214         * object.h (class Object): Make input_file public.  Add
9215         searched_for method.
9216         (make_elf_object): Update declaration.
9217         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9218         restart search.
9219         * dirsearch.h (class Dirsearch): Update declaration.
9220         * options.h (class General_options): Add --warn-search-mismatch.
9221         * parameters.cc (Parameters::is_compatible_target): New function.
9222         * parameters.h (class Parameters): Declare is_compatible_target.
9223         * workqueue.cc (Workqueue::add_blocker): New function.
9224         * workqueue.h (class Workqueue): Declare add_blocker.
9225
9226         * fileread.cc (Input_file::open): Remove options parameter.
9227         Change all callers.
9228         (Input_file::open_binary): Likewise.
9229         * script.cc (read_input_script): Likewise.
9230         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9231         options parameter from constructor.  Change all callers.
9232         (class Read_script): Likewise.
9233         * fileread.h (class Input_file): Update declarations.
9234         * script.h (read_input_script): Update declaration.
9235
9236 2009-03-10  Nick Clifton  <nickc@redhat.com>
9237
9238         * po/es.po: New Spanish translation.
9239
9240 2009-03-06  Cary Coutant  <ccoutant@google.com>
9241
9242         * options.cc (parse_short_option): Keep dash_z from registering itself.
9243
9244 2009-03-03  Ian Lance Taylor  <iant@google.com>
9245
9246         PR 9918
9247         * target-reloc.h (relocate_section): Pass output_section to
9248         relocate.
9249         * i386.cc (Target_i386::should_apply_static_reloc): Add
9250         output_section parameter.  Change all callers.
9251         (Target_i386::Relocate::relocate): Add output_section parameter.
9252         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9253         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9254         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9255         * testsuite/two_file_shared.sh: New script.
9256         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9257         (check_DATA): Add two_file_shared.dbg.
9258         (two_file_shared.dbg): New target.
9259         * testsuite/Makefile.in: Rebuild.
9260
9261 2009-03-01  Ian Lance Taylor  <iant@google.com>
9262
9263         * configure.ac: Check for byteswap.h.
9264         * configure: Rebuild.
9265         * config.in: Rebuild.
9266
9267 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9268
9269         * layout.cc (Layout::find_or_add_kept_section): New function.
9270         (Layout::add_comdat): Removed.
9271         * layout.h (struct Kept_section): Move out of class Layout.
9272         Remove trailing underscores from field names.  Add group_sections
9273         field.  Rename group_ field to is_group.  Change all uses.
9274         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9275         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9276         comdat_groups_ field.
9277         (Sized_relobj::include_section_group): Use
9278         find_or_add_kept_section and Kept_section::group_sections.
9279         (Sized_relobj::include_linkonce_section): Likewise.
9280         * object.cc (class Sized_relobj): Don't define Comdat_group or
9281         Comdat_group_table.  Remove find_comdat_group and
9282         add_comdat_group.  Remove comdat_groups_ field.
9283         * plugin.cc (include_comdat_group): Use
9284         Layout::find_or_add_kept_section.
9285
9286 2009-02-28  Ian Lance Taylor  <iant@google.com>
9287
9288         * README: --gc-sections and map files are now supported.  Document
9289         some build requirements.
9290
9291         PR 6992
9292         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9293         relocatable link set the value of the section symbol to zero.
9294         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9295         relocatable link don't include the section address in the local
9296         symbol value.
9297
9298 2009-02-27  Ian Lance Taylor  <iant@google.com>
9299
9300         PR 6811
9301         * options.h (class Search_directory): Add is_system_directory.
9302         (class General_options): Declare is_in_system_directory.
9303         * options.cc (get_relative_sysroot): Make static.
9304         (get_default_sysroot): Make static.
9305         (General_optoins::is_in_system_directory): New function.
9306         * fileread.cc (Input_file::is_in_system_directory): New function.
9307         * fileread.h (class Input_file): Declare is_in_system_directory.
9308         * object.h (class Object): Add is_in_system_directory.
9309         (class Input_objects): Remove system_library_directory_ field.
9310         * object.cc (Input_objects::add_object): Don't set
9311         system_library_directory_.
9312         (input_objects::found_in_system_library_directory): Remove.
9313         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9314         parameter.  Change all callers.
9315         (Symbol_table::sized_write_globals): Likewise.
9316         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9317         Call Object::is_in_system_directory.
9318         * symtab.h (class Symbol_table): Update declarations.
9319
9320         PR 5990
9321         * descriptors.h (Open_descriptor): Add is_on_stack field.
9322         * descriptors.cc (Descriptors::open): If the descriptor is on the
9323         top of the stack, remove it.  Initialize is_on_stack field.
9324         (Descriptors::release): Only add pod to stack if it is not on the
9325         stack already.
9326         (Descriptors::close_some_descriptor): Clear stack_next and
9327         is_on_stack fields.
9328
9329         PR 7091
9330         * output.cc (Output_section::find_starting_output_address): Rename
9331         from starting_output_address; add PADDR parameter; change return
9332         type.
9333         * output.h (class Output_section): Declare
9334         find_starting_output_address instead of starting_output_address.
9335         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9336         section symbol for which we can't find a merge section.
9337
9338         PR 9836
9339         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9340         hidden or internal, force the symbol to be local.
9341         * resolve.cc (Symbol::override_visibility): Define.
9342         (Symbol::override_base): Use override_visibility.
9343         (Symbol_table::resolve): Likewise.
9344         (Symbol::override_base_with_special): Likewise.
9345         (Symbol_table::override_with_special): If the visibility is hidden
9346         or internal, force the symbol to be local.
9347         * symtab.h (class Symbol): Add set_visibility and
9348         override_visibility.
9349         * testsuite/ver_test_1.sh: New file.
9350         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9351         (check_DATA): Add ver_test_1.syms.
9352         (ver_test_1.syms): New target.
9353         * testsuite/Makefile.in: Rebuild.
9354
9355 2009-02-25  Cary Coutant  <ccoutant@google.com>
9356
9357         * layout.cc (Layout::choose_output_section): Don't rename sections
9358         when using a linker script that has a SECTIONS clause.
9359         * Makefile.in: Regenerate.
9360
9361         * testsuite/Makefile.am (script_test_5.sh): New test case.
9362         * testsuite/Makefile.in: Regenerate.
9363         * testsuite/script_test_5.cc: New file.
9364         * testsuite/script_test_5.sh: New file.
9365         * testsuite/script_test_5.t: New file.
9366
9367 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9368
9369         * archive.cc (Archive::include_member): Update calls to add_symbols.
9370         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9371         the Layout argument.
9372         * dynobj.h (do_add_symbols): Add the Layout argument.
9373         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9374         Layout argument.
9375         * object.h (Object::add_symbols): Add the Layout argument.
9376         (Object::do_add_symbols): Add the Layout argument.
9377         (Sized_relobj::do_add_symbols): Add the Layout argument.
9378         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9379         Unify the two versions.
9380         (Add_plugin_symbols): Remove.
9381         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9382         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9383         (Add_plugin_symbols): Remove.
9384         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9385         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9386         (Add_symbols::run): Make it work with Pulginobj.
9387
9388 2009-02-06  Ian Lance Taylor  <iant@google.com>
9389
9390         * object.cc (Sized_relobj::do_layout): Make info message start
9391         with lower case letter.
9392
9393 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9394
9395         * binary.cc: Fix file comment.
9396
9397         * options.h (enum Incremental_disposition): Define.
9398         (class General_options): Add new options: --incremental,
9399         --incremental_changed, --incremental_unchanged,
9400         --incremental_unknown.  Add incremental_disposition_ and
9401         implicit_incremental_ fields.
9402         (General_options::incremental_disposition): New function.
9403         (class Position_dependent_options): Add incremental_disposition
9404         option.
9405         (Position_dependent_options::copy_from_options): Set incremental
9406         dispositions.
9407         * options.cc (General_options::parse_incremental_changed): New
9408         function.
9409         (General_options::parse_incremental_unchanged): New function.
9410         (General_options::parse_incremental_unknown): New function.
9411         (General_options::General_options): Initialize new fields
9412         incremental_disposition_ and implicit_incremental_.
9413         (General_options::finalize): Check for uasge of --incremental-*
9414         without --incremental.
9415
9416 2009-02-06  Chris Demetriou  <cgd@google.com>
9417
9418         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9419         pointer and to report location as the file name associated with
9420         the symbol.
9421         (gold_undefined_symbol_at_location): New function to replace the
9422         old gold_undefined_symbol functionality.
9423         * target-reloc.h (relocate_section): Update to use
9424         gold_undefined_symbol_at_location.
9425         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9426         Call gold_undefined_symbol function rather than gold_error.
9427         * errors.h (Errors::undefined_symbol): Take location as a
9428         string, rather than calculating it from a relocation.
9429         * errors.cc (Errors::fatal): Print "fatal error:" before the
9430         formatted message.
9431         (Errors::error, Errors::error_at_location): Print "error: "
9432         before the formatted message.
9433         (Errors::undefined_symbol): Take location as a string, rather
9434         than calculating it from a relocation.
9435         (gold_undefined_symbol_at_location): New function akin to
9436         old gold_undefined_symbol, calculates location from relocation.
9437         (gold_undefined_symbol): Change to take only a Symbol pointer
9438         and to report location as the file name associated with the symbol.
9439         * testsuite/debug_msg.sh: Update for changed error messages.
9440         * testsuite/undef_symbol.sh: Likewise.
9441
9442 2009-02-04  Duncan Sands  <baldrick@free.fr>
9443
9444         PR 9812
9445         * reduced_debug_output.h
9446         (Output_reduced_debug_abbrev_section::failed): Use format for
9447         gold_warning.
9448         (Output_reduced_debug_info_section::faild): Likewise.
9449
9450 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9451
9452         * script.cc (Lazy_demangler): New class.
9453         (Version_script_info::get_symbol_version_helper): Demangle a
9454         symbol only once.
9455
9456 2009-01-29  Cary Coutant  <ccoutant@google.com>
9457
9458         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9459         to __tls_get_addr.
9460         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9461
9462 2009-01-28  Ian Lance Taylor  <iant@google.com>
9463
9464         * version.cc (version_string): Bump to 1.9.
9465
9466         * gold.h: Include <cstring> and <stdint.h>.
9467         * version.cc: Include <cstdio>.
9468         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9469         warning.
9470         * reduced_debug_output.cc (insert_into_vector): Rename from
9471         Insert_into_vector; change all callers.  Use Swap_unaligned to
9472         avoid aliasing issue; remove union since it is unnecessary.
9473
9474 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9475
9476         * Makefile.am (CCFILES): Add gc.cc.
9477         (HFILES): Add gc.h.
9478         * Makefile.in: Regenerate.
9479         * gold.cc (Gc_runner): New class.
9480         (queue_initial_tasks): Call garbage collection related tasks
9481         when corresponding options are invoked.
9482         (queue_middle_gc_tasks): New function.
9483         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9484         processed early before laying out sections during garbage collection.
9485         * gold.h (queue_middle_gc_tasks): New function.
9486         (is_prefix_of): Move from "layout.cc".
9487         * i386.cc (Target_i386::gc_process_relocs): New function.
9488         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9489         * main.cc (main): Create object of class "Garbage_collection".
9490         * object.cc (Relobj::copy_symbols_data): New function.
9491         (Relobj::is_section_name_included): New function.
9492         (Sized_relobj::do_layout): Allow this function to be called twice
9493         during garbage collection and defer layout of section during the
9494         first call.
9495         * object.h (Relobj::get_symbols_data): New function.
9496         (Relobj::is_section_name_included): New function.
9497         (Relobj::copy_symbols_data): New function.
9498         (Relobj::set_symbols_data): New function.
9499         (Relobj::get_relocs_data): New function.
9500         (Relobj::set_relocs_data): New function.
9501         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9502         (Relobj::gc_process_relocs): New function.
9503         (Relobj::do_gc_process_relocs): New pure virtual function.
9504         (Relobj::sd_): New data member.
9505         (Sized_relobj::is_output_section_offset_invalid): New function.
9506         (Sized_relobj::do_gc_process_relocs): New function.
9507         * options.h (General_options::gc_sections): Modify to not be a no-op.
9508         (General_options::print_gc_sections): New option.
9509         * plugin.cc (Plugin_finish::run): Remove function call to
9510         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9511         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9512         * reloc.cc (Read_relocs::run): Add task to process relocs and
9513         determine unreferenced sections when doing garbage collection.
9514         (Gc_process_relocs): New class.
9515         (Sized_relobj::do_gc_process_relocs): New function.
9516         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9517         sections that are garbage collected.
9518         * reloc.h (Gc_process_relocs): New class.
9519         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9520         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9521         symbols whose corresponding sections are garbage collected.
9522         (Symbol_table::Symbol_table): Add new parameter for the garbage
9523         collection object.
9524         (Symbol_table::gc_mark_undef_symbols): New function.
9525         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9526         (Symbol_table::gc_mark_dyn_syms): New function.
9527         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9528         as garbage.
9529         (Symbol_table::add_from_object): Likewise.
9530         (Symbol_table::add_from_relobj): When building shared objects, do not
9531         treat externally visible symbols as garbage.
9532         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9533         table information for static and relocatable links.
9534         * symtab.h (Symbol_table::set_gc): New function.
9535         (Symbol_table::gc): New function.
9536         (Symbol_table::gc_mark_undef_symbols): New function.
9537         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9538         (Symbol_table::gc_mark_dyn_syms): New function.
9539         (Symbol_table::gc_): New data member.
9540         * target.h (Sized_target::gc_process_relocs): New pure virtual
9541         function.
9542         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9543         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9544
9545 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9546
9547         * options.h (General_options::gc_sections): Define as a no-op for now.
9548         (General_options::no_keep_memory): Ditto.
9549         (General_options::Bshareable): Define.
9550         * options.cc (General_options::finalize): Honor -Bshareable.
9551
9552 2009-01-20  Andreas Schwab  <schwab@suse.de>
9553
9554         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9555         read the value in the contents, since we don't use it.  Use the
9556         template endianness when writing.
9557         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9558
9559 2009-01-19  Andreas Schwab  <schwab@suse.de>
9560
9561         * configure.tgt (powerpc64-*): Fix targ_obj.
9562
9563 2009-01-15  Ian Lance Taylor  <iant@google.com>
9564
9565         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9566         local symbols when stripping all symbols.
9567
9568 2009-01-14  Cary Coutant  <ccoutant@google.com>
9569
9570         * output.cc (Output_reloc): Add explicit instantiations.
9571
9572 2009-01-14  Cary Coutant  <ccoutant@google.com>
9573
9574         * archive.cc (Archive::get_elf_object_for_member): Remove call
9575         to File_read::claim_for_plugin.
9576         * descriptors.cc (Descriptors::open): Remove reference to
9577         is_claimed.
9578         (Descriptors::claim_for_plugin): Remove.
9579         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9580         (Descriptors::is_claimed): Remove.
9581         (claim_descriptor_for_plugin): Remove.
9582         * fileread.cc (File_read::claim_for_plugin): Remove.
9583         * fileread.h (File_read::claim_for_plugin): Remove.
9584         (File_read::descriptor): Reopen descriptor if necessary.
9585         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9586         (Plugin_manager::all_symbols_read): Add task parameter. Change
9587         all callers.
9588         (Plugin_manager::get_input_file): New function.
9589         (Plugin_manager::release_input_file): New function.
9590         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9591         corresponding data member.
9592         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9593         and pass to base constructor. Change all callers.
9594         (get_input_file, release_input_file): New functions.
9595         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9596         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9597         (Plugin_manager::all_symbols_read): Add task parameter.
9598         (Plugin_manager::get_input_file): New function.
9599         (Plugin_manager::release_input_file): New function.
9600         (Plugin_manager::task_): New data member.
9601         (Pluginobj::Pluginobj): Add filesize parameter.
9602         (Pluginobj::filename): New function.
9603         (Pluginobj::descriptor): New function.
9604         (Pluginobj::filesize): New function.
9605         (Pluginobj::filesize_): New data member.
9606         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9607         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9608         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9609
9610         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9611         with archive libraries.
9612         * testsuite/Makefile.in: Regenerate.
9613         * testsuite/plugin_test.c (struct sym_info): New type.
9614         (get_input_file, release_input_file): New static variables.
9615         (onload): Capture new transfer vector entries.
9616         (claim_file_hook): Stop reading at end of file according to filesize.
9617         Factor out parsing of readelf output into separate function.
9618         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9619         APIs and get the source file name from the symbol table.  Convert
9620         source file name to corresponding object file name.  Print info
9621         message when adding new input files.
9622         (parse_readelf_line): New function.
9623         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9624         * testsuite/plugin_test_2.sh: Likewise.
9625         * testsuite/plugin_test_3.sh: Likewise.
9626         * testsuite/plugin_test_4.sh: New test case.
9627
9628 2009-01-07  Ian Lance Taylor  <iant@google.com>
9629
9630         * version.cc (version_string): Bump to 1.8.
9631
9632 2008-12-23  Cary Coutant  <ccoutant@google.com>
9633
9634         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9635         * plugin.cc (Plugin_manager::finish): Rename as
9636         layout_deferred_objects.  Move cleanup to separate function.
9637         (Plugin_manager::cleanup): New function.
9638         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9639         separately.
9640         * plugin.h (Plugin_manager::finish): Rename as
9641         layout_deferred_objects.
9642         (Plugin_manager::cleanup): New function.
9643         (Plugin_manager::cleanup_done): New field.
9644
9645 2008-12-23  Cary Coutant  <ccoutant@google.com>
9646
9647         * plugin.cc (is_visible_from_outside): New function.
9648         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9649         so we don't return "IR only" status for exported symbols or -r links.
9650
9651         * testsuite/Makefile.am (plugin_test_3): New test case.
9652         * testsuite/Makefile.in: Regenerate.
9653         * testsuite/plugin_test_3.sh: New file.
9654
9655 2008-12-22  Cary Coutant  <ccoutant@google.com>
9656
9657         * object.cc (Sized_relobj::layout_section): New function.
9658         (Sized_relobj::do_layout): Defer layout of input sections until after
9659         plugin has provided replacement files.
9660         (Sized_relobj::do_layout_deferred_sections): New function.
9661         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9662         (Relobj::layout_deferred_sections): New function.
9663         (Relobj::do_layout_deferred_sections): New function.
9664         (Sized_relobj::do_layout_deferred_sections): New function.
9665         (Sized_relobj::layout_section): New function.
9666         (Sized_relobj::Deferred_layout): New structure.
9667         (Sized_relobj::deferred_layout_): New field.
9668         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9669         Change all callers.  Layout deferred sections.
9670         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9671         references.
9672         (Plugin_hook::run): Move code from do_plugin_hook inline.
9673         (Plugin_hook::do_plugin_hook): Remove.
9674         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9675         (Plugin_manager::finish): Renamed, was cleanup.
9676         (Plugin_manager::should_defer_layout): New function.
9677         (Plugin_manager::add_deferred_layout_object): New function.
9678         (Plugin_manager::Deferred_layout_list): New type.
9679         (Plugin_manager::deferred_layout_objects_): New field.
9680         (Plugin_hook::do_plugin_hook): Remove.
9681
9682 2008-12-17  Ian Lance Taylor  <iant@google.com>
9683
9684         * options.h (class General_options): Add --no case for
9685         --export-dynamic.
9686
9687 2008-12-16  Cary Coutant  <ccoutant@google.com>
9688
9689         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9690         vector.
9691         (Plugin_manager::claim_file): Create plugin object even if
9692         plugin did not call the add_symbols callback.
9693         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9694         asking for more symbols than were added.
9695         * testsuite/Makefile.am (plugin_test_1): Add test case with
9696         no global symbols.
9697         (empty.syms): New target.
9698         * testsuite/Makefile.in: Regenerate.
9699         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9700         message. Don't call add_symbols if no globals.
9701         (all_symbols_read_hook): Don't provide replacement for empty
9702         claimed file.
9703
9704 2008-12-12  Ian Lance Taylor  <iant@google.com>
9705
9706         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9707         r_type == 0 for a local symbol with r_sym == 0.
9708         (scan_relocatable_relocs): Pass r_sym to
9709         local_non_section_strategy.
9710         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9711         r_sym parameter.
9712
9713         * configure.ac: Update test for TLS descriptors: they are
9714         supported as of glibc 2.9.
9715         * configure: Rebuild.
9716
9717 2008-12-11  Ian Lance Taylor  <iant@google.com>
9718
9719         PR 7091
9720         * target-reloc.h (Default_scan_relocatable_relocs): For each
9721         function, map r_type == 0 to RELOC_DISCARD.
9722
9723 2008-12-10  Cary Coutant  <ccoutant@google.com>
9724
9725         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9726         object to override a kept COMDAT group from a plugin object.
9727
9728 2008-12-09  Ian Lance Taylor  <iant@google.com>
9729
9730         PR 7088
9731         * yyscript.y (file_cmd): Handle INPUT.
9732
9733         * testsuite/initpri1.c: Change all declarations to be full
9734         prototypes by adding void, to avoid compiler warnings.
9735
9736 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9737
9738         * options.cc (General_options::parse_plugin_opt): New.
9739         (General_options::add_plugin): The argument now is just the filename.
9740         (General_options::add_plugin_option): New.
9741         * options.h (plugin_opt): New.
9742         (add_plugin): Change argument name.
9743         (add_plugin_option): New.
9744         * plugin.cc (Plugin::load): Don't parse the plugin option.
9745         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9746         (Plugin::add_option): New.
9747         (Plugin::args_): Change type.
9748         (Plugin::filename_): New.
9749         (Plugin_manager::add_plugin_option): New.
9750         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9751         * testsuite/Makefile.in: Regenerate.
9752
9753 2008-12-05  Cary Coutant  <ccoutant@google.com>
9754
9755         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9756         Handle --strip-lto-sections option.
9757         * options.h (strip_lto_sections): New option.
9758
9759 2008-12-01  Cary Coutant  <ccoutant@google.com>
9760
9761         * plugin.cc (ld_plugin_message): Change format parameter to const.
9762         Fix mismatch between new[] and delete.
9763
9764 2008-11-14  Cary Coutant  <ccoutant@google.com>
9765
9766         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9767         instead of -1U.
9768
9769 2008-11-05  Craig Silverstein  <csilvers@google.com>
9770
9771         * options.cc (General_options::parse_dynamic_list): New function.
9772         * options.h (General_options): New flags dynamic_list,
9773         dynamic_list_data, dynamic_list_cpp_new, and
9774         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9775         (General_options::in_dynamic_list): New function.
9776         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9777         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9778         (Lex::can_continue_name): Likewise.
9779         (yylex): Likewise.
9780         (read_script_file): New parameter script_options.
9781         (read_dynamic_list): New function.
9782         (Script_options::define_dynamic_list): New function.
9783         (dynamic_list_keyword_parsecodes): New variable.
9784         (dynamic_list_keywords): New variable.
9785         * script.h (Script_options::define_dynamic_list): New function
9786         prototype.
9787         (read_dynamic_list): New function prototype.
9788         * symtab.cc (strprefix): New macro.
9789         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9790         dynamic_list_data, dynamic_list_cpp_new, and
9791         dynamic_list_cpp_typeinfo.
9792         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9793         (dynamic_list_expr): New rule.
9794         (dynamic_list_nodes): Likewise.
9795         (dynamic_list_node): Likewise.
9796         * testsuite/Makefile.am (dynamic_list): New test.
9797         * testsuite/Makefile.in: Regenerated.
9798         * testsuite/dynamic_list.t: New file.
9799         * testsuite/dynamic_list.sh: New file.
9800
9801 2008-11-05  Craig Silverstein  <csilvers@google.com>
9802
9803         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9804         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9805         (t11_last): Likewise.
9806         * testsuite/ver_test_6.c (main): Likewise.
9807
9808 2008-10-07  Cary Coutant  <ccoutant@google.com>
9809
9810         * options.c (General_options::finalize): Add check for -static and
9811         -shared.
9812         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9813         is not empty.
9814
9815 2008-10-02  Cary Coutant  <ccoutant@google.com>
9816
9817         * plugin.cc (make_sized_plugin_object): Fix conditional
9818         compilation to work when not all targets are enabled.
9819
9820 2008-09-29  Cary Coutant  <ccoutant@google.com>
9821
9822         * archive.cc (Archive::get_file_and_offset): Use filename instead
9823         of name to get library path.
9824         (Archive::include_member): Unlock external member of a thin archive.
9825
9826         * testsuite/Makefile.am (TEST_AR): New variable.
9827         (thin_archive_test_1): New test.
9828         (thin_archive_test_2): New test.
9829         * testsuite/Makefile.in: Regenerate.
9830         * testsuite/thin_archive_main.cc: New file.
9831         * testsuite/thin_archive_test_1.cc: New file.
9832         * testsuite/thin_archive_test_2.cc: New file.
9833         * testsuite/thin_archive_test_3.cc: New file.
9834         * testsuite/thin_archive_test_4.cc: New file.
9835
9836 2008-09-29  Cary Coutant  <ccoutant@google.com>
9837
9838         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9839         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9840         instead of -1U.
9841         (Sized_relobj::do_finalize_local_symbols): Likewise.
9842         (Sized_relobj::map_to_kept_section): Likewise.
9843         * object.h (Sized_relobj::invalid_address): New constant.
9844         (Sized_relobj::do_output_section_offset): Check for invalid_address
9845         and return -1ULL.
9846         * output.cc (Output_reloc::local_section_offset): Use constant
9847         invalid_address instead of -1U.
9848         (Output_reloc::get_address): Likewise.
9849         (Output_section::output_address): Change -1U to -1ULL.
9850         * output.h (Output_reloc::invalid_address): New constant.
9851         * reloc.cc (Sized_relobj::write_sections): Use constant
9852         invalid_address instead of -1U.
9853         (Sized_relobj::relocate_sections): Likewise.
9854         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9855         values for merge sections.
9856         * target-reloc.h (relocate_for_relocatable): Use constant
9857         invalid_address instead of -1U.
9858
9859 2008-09-19  Cary Coutant  <ccoutant@google.com>
9860
9861         Add plugin functionality for link-time optimization (LTO).
9862         * configure.ac (plugins): Add --enable-plugins option.
9863         * configure: Regenerate.
9864         * config.in: Regenerate.
9865         * Makefile.am (LIBDL): New variable.
9866         (CCFILES): Add plugin.cc.
9867         (HFILES): Add plugin.h.
9868         (ldadd_var): Add LIBDL.
9869         * Makefile.in: Regenerate.
9870
9871         * archive.cc: Include "plugin.h".
9872         (Archive::setup): Don't preread archive symbols when using a plugin.
9873         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9874         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9875         files.
9876         (Archive::include_member): Add symbols from plugin objects.
9877         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9878         * descriptors.cc (Descriptors::open): Check for file descriptors
9879         abandoned by plugins.
9880         (Descriptors::claim_for_plugin): New function.
9881         * descriptors.h (Descriptors::claim_for_plugin): New function.
9882         (Open_descriptor::is_claimed): New field.
9883         (claim_descriptor_for_plugin): New function.
9884         * fileread.cc (File_read::claim_for_plugin): New function.
9885         * fileread.h (File_read::claim_for_plugin): New function.
9886         (File_read::descriptor): New function.
9887         * gold.cc: Include "plugin.h".
9888         (queue_initial_tasks): Add task to call plugin hooks for generating
9889         new object files.
9890         * main.cc: Include "plugin.h".
9891         (main): Load plugin libraries.
9892         * object.h (Pluginobj): Declare.
9893         (Object::pluginobj): New function.
9894         (Object::do_pluginobj): New function.
9895         (Object::set_target): New function.
9896         * options.cc: Include "plugin.h".
9897         (General_options::parse_plugin): New function.
9898         (General_options::General_options): Initialize plugins_ field.
9899         (General_options::add_plugin): New function.
9900         * options.h (Plugin_manager): Declare.
9901         (General_options): Add --plugin option.
9902         (General_options::has_plugins): New function.
9903         (General_options::plugins): New function.
9904         (General_options::add_plugin): New function.
9905         (General_options::plugins_): New field.
9906         * plugin.cc: New file.
9907         * plugin.h: New file.
9908         * readsyms.cc: Include "plugin.h".
9909         (Read_symbols::do_read_symbols): Check for archive before checking
9910         for ELF file.  Call plugin hooks to claim files.
9911         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9912         from a real object file; force override when processing replacement
9913         files.
9914         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9915         (Symbol::init_base_object): Likewise.
9916         (Symbol::init_base_output_data): Likewise.
9917         (Symbol::init_base_output_segment): Likewise.
9918         (Symbol::init_base_constant): Likewise.
9919         (Symbol::init_base_undefined): Likewise.
9920         (Symbol::output_section): Assert that object is not a plugin.
9921         (Symbol_table::add_from_pluginobj): New function.
9922         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9923         undefined.
9924         (Symbol_table::sized_write_globals): Likewise.
9925         (Symbol_table::add_from_pluginobj): Instantiate template.
9926         * symtab.h (Sized_pluginobj): Declare.
9927         (Symbol::in_real_elf): New function.
9928         (Symbol::set_in_real_elf): New function.
9929         (Symbol::in_real_elf_): New field.
9930         (Symbol_table::add_from_pluginobj): New function.
9931
9932         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9933         (LIBDL): New variable.
9934         (LDADD): Add LIBDL.
9935         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9936         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9937         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9938         (MOSTLYCLEANFILES): Likewise.
9939         * testsuite/Makefile.in: Regenerate.
9940         * testsuite/plugin_test.c: New file.
9941         * testsuite/plugin_test_1.sh: New file.
9942         * testsuite/plugin_test_2.sh: New file.
9943
9944 2008-09-16  Ian Lance Taylor  <iant@google.com>
9945
9946         * target-reloc.h (relocate_section): Check whether a symbol is
9947         defined by the ABI before reporting an undefined symbol error.
9948         * target.h (Target::is_defined_by_abi): Make parameter const.
9949         (Target::do_is_defined_by_abi): Likewise.
9950         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9951         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9952         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9953         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9954         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9955         * testsuite/Makefile.in: Rebuild.
9956
9957         * fileread.cc (make_view): Add casts to avoid warning.
9958
9959 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9960
9961         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9962         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9963
9964 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9965
9966         * options.h (General_options::output_is_executable): New.
9967         (General_options::output_is_pie): New.
9968         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9969         for shared libraries.
9970         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9971
9972 2008-09-11  Chris Demetriou  <cgd@google.com>
9973
9974         * options.h (origin): New -z option.
9975         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9976         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9977         in DT_FLAGS_1.
9978
9979 2008-09-05  Cary Coutant  <ccoutant@google.com>
9980
9981         * fileread.cc (File_read::make_view): Add check for attempt to map
9982         beyond end of file.
9983
9984 2008-09-05  Cary Coutant  <ccoutant@google.com>
9985
9986         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9987         explicit instantiations.
9988
9989 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9990
9991         PR gold/6858
9992         * options.cc (General_options::finalize): Allow undefined symbols
9993         in shlibs if linking -shared.
9994
9995         PR gold/6859
9996         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9997         symbols as not needing a dynsym entry.
9998
9999 2008-08-20  Craig Silverstein  <csilvers@google.com>
10000
10001         * fileread.cc (File_read::open): Do not lock the file unless it
10002         was successfully opened.
10003
10004 2008-08-14  Cary Coutant  <ccoutant@google.com>
10005
10006         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10007         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10008         * testsuite/tls_test.cc (struct int128): 128-bit struct
10009         for testing TLS relocs with non-zero addend.
10010         (v12): New TLS variable.
10011         (t12): New test.
10012         (t_last): Add check for v12.
10013         * testsuite/tls_test.h (t12): New function.
10014         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10015
10016 2008-08-13  Ian Lance Taylor  <iant@google.com>
10017
10018         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10019         set tls_segment_ or relro_segment_.
10020         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10021         when appropriate.
10022         * output.h (Output_section::clear_is_relro): New function.
10023         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10024         sections specially even when output_data_ is empty.
10025         (Output_segment::maximum_alignment): When first section is relro,
10026         only force alignment for PT_LOAD segments.
10027         * script.cc (script_data_segment_align): New function.
10028         (script_data_segment_relro_end): New function.
10029         * script-c.h (script_data_segment_align): Declare.
10030         (script_data_segment_relro_end): Declare.
10031         * script-sections.h (class Script_sections): Declare
10032         data_segment_align and data_segment_relro_end.  Add fields
10033         segment_align_index_ and saw_relro_end_.
10034         * script-sections.cc (class Sections_element): Add set_is_relro
10035         virtual function.  Add new bool* parameter to place_orphan_here.
10036         Add get_output_section virtual function.
10037         (class Output_section_definition): Add set_is_relro.  Add new
10038         bool* parameter to place_orphan_here.  Add get_output_section.
10039         Add is_relro_ field.
10040         (Output_section_definition::Output_section_definition): Initialize
10041         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10042         and is_relro_ fields.
10043         (Output_section_definition::place_orphan_here): Add is_relro
10044         parameter.
10045         (Output_section_definition::set_section_addresses): Set relro for
10046         output section.
10047         (Output_section_definition::alternate_constraint): Likewise.
10048         (class Orphan_output_section): Add new bool* parameter to
10049         place_orphan_here.  Add get_output_section.
10050         (Orphan_output_section::place_orphan_here): Add is_relro
10051         parameter.
10052         (Script_sections::Script_sections): Initialize
10053         data_segment_align_index_ and saw_relro_end_.
10054         (Script_sections::data_segment_align): New function.
10055         (Script_sections::data_segment_relro_end): New function.
10056         (Script_sections::place_orphan): Set or clear is_relro.
10057         (Script_sections::set_section_addresses): Force alignment of first
10058         TLS section.
10059         * yyscript.y (exp): Call script_data_segment_align and
10060         script_data_segment_relro_end.
10061         * testsuite/relro_script_test.t: New file.
10062         * testsuite/relro_test.cc (using_script): Declare.
10063         (t1, t2): Test using_script.
10064         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10065         (relro_script_test_SOURCES): Define.
10066         (relro_script_test_DEPENDENCIES): Define.
10067         (relro_script_test_LDFLAGS): Define.
10068         (relro_script_test_LDADD): Define.
10069         (relro_script_test.so): New target.
10070         * testsuite/Makefile.in: Rebuild.
10071
10072 2008-08-06  Cary Coutant <ccoutant@google.com>
10073
10074         * archive.cc (Archive::total_archives, Archive::total_members)
10075         (Archive::total_members_loaded): New variables.
10076         (Archive::setup): Add parameter.  Add option to preread
10077         archive symbols.
10078         (Archive::read_armap): Add counter.
10079         (Archive::get_file_and_offset): New function.
10080         (Archive::get_elf_object_for_member): New function.
10081         (Archive::read_all_symbols): New function.
10082         (Archive::read_symbols): New function.
10083         (Archive::add_symbols): Add counters.
10084         (Archive::include_all_members): Use armap to find members if it's
10085         already built.
10086         (Archive::include_member): Skip reading symbols if already read.
10087         Factored code into Archive::get_file_and_offset and
10088         Archive::get_elf_object_for_member.  Changed call to
10089         Mapfile::report_include_archive_member.
10090         (Archive::print_stats): New function.
10091         * archive.h: Declare Object and Read_symbols_data classes.
10092         (Archive::Archive): Add initializers for new members.
10093         (Archive::setup): Add parameter.
10094         (Archive::print_stats): New function.
10095         (Archive::total_archives, Archive::total_members)
10096         (Archive::total_members_loaded): New variables.
10097         (Archive::get_file_and_offset): New function.
10098         (Archive::get_elf_object_for_member): New function.
10099         (Archive::read_all_symbols): New function.
10100         (Archive::read_symbols): New function.
10101         (Archive::Archive_member): New class.
10102         (Archive::members_): New member.
10103         (Archive::num_members_): New member.
10104         * main.cc: Include archive.h.
10105         (main): Call Archive::print_stats.
10106         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10107         archive parameter; member_name is now the fully-decorated name.
10108         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10109         * options.h: (General_options): Add --preread-archive-symbols option.
10110         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10111         Archive::setup.
10112
10113 2008-08-04  Ian Lance Taylor  <iant@google.com>
10114
10115         * symtab.h (Symbol::use_plt_offset): New function.
10116         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10117         * powerpc.cc (Relocate::relocate): Likewise.
10118         * sparc.cc (Relocate::relocate): Likewise.
10119         * x86_64.cc (Relocate::relocate): Likewise.
10120         * testsuite/weak_plt.sh: New test.
10121         * testsuite/weak_plt_main.cc: New test.
10122         * testsuite/weak_plt_shared.cc: New test.
10123         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10124         (check_PROGRAMS): Add weak_plt.
10125         (check_DATA): Add weak_plt_shared.so.
10126         (weak_plt_main_pic.o, weak_plt): New targets.
10127         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10128         * testsuite/Makefile.in: Rebuild.
10129
10130         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10131         gcctestdir/ld.
10132         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10133         * testsuite/Makefile.in: Rebuild.
10134
10135 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10136
10137         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10138         * Makefile.in: Regenerate.
10139         * po/POTFILES.in: Regenerate.
10140
10141 2008-07-29  Ian Lance Taylor  <iant@google.com>
10142
10143         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10144         symbols before other symbols.
10145         * testsuite/script_test_2.cc (test_addr): Declare.
10146         (test_addr_alias): Declare.
10147         (main): Check that test_addr and test_addr_alias have the right
10148         values.
10149         * testsuite/script_test_2.t: Define test_addr_alias and
10150         test_addr.
10151
10152 2008-07-24  Ian Lance Taylor  <iant@google.com>
10153
10154         PR 5990
10155         * descriptors.cc: New file.
10156         * descriptors.h: New file.
10157         * gold-threads.h (class Hold_optional_lock): New class.
10158         * fileread.cc: Include "descriptors.h".
10159         (File_read::~File_read): Release descriptor rather than closing
10160         it.
10161         (File_read::open) [file]: Call open_descriptor rather than open.
10162         Set is_descriptor_opened_.
10163         (File_read::open) [memory]: Assert that descriptor is not open.
10164         (File_read::reopen_descriptor): New function.
10165         (File_read::release): Release descriptor.
10166         (File_read::do_read): Make non-const.  Reopen descriptor.
10167         (File_read::read): Make non-const.
10168         (File_read::make_view): Reopen descriptor.
10169         (File_read::do_readv): Likewise.
10170         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10171         Update declarations.
10172         * layout.cc: Include "descriptors.h".
10173         (Layout::create_build_id): Use open_descriptor rather than open.
10174         * output.cc: Include "descriptors.h".
10175         (Output_file::open): Use open_descriptor rather than open.
10176         * archive.cc (Archive::const_iterator): Change Archive to be
10177         non-const.
10178         (Archive::begin, Archive::end): Make non-const.
10179         (Archive::count_members): Likewise.
10180         * archive.h (class Archive): Update declarations.
10181         * object.h (Object::read): Make non-const.
10182         * Makefile.am (CCFILES): Add descriptors.cc.
10183         (HFILES): Add descriptors.h.
10184         * Makefile.in: Rebuild.
10185
10186         PR 6716
10187         * gold.h: Always include <clocale>.  Add Solaris workarounds
10188         following code in binutils/sysdep.h.
10189
10190         PR 6048
10191         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10192         this->eh_frame_hdr_ is NULL before using it.
10193
10194         * dynobj.cc (Versions::Versions): Update comment.
10195
10196         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10197         the base version name.
10198
10199         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10200         array size plus one.
10201         (Stringpool_template::set_string_offsets): Subtract one from key
10202         before using it as an array index.
10203         (Stringpool_template::get_offset_with_length): Likewise.
10204         (Stringpool_template::write_to_buffer): Likewise.
10205         * stringpool.h (Stringpool_template::get_offset_from_key):
10206         Likewise.
10207
10208 2008-07-23  Ian Lance Taylor  <iant@google.com>
10209
10210         PR 6658
10211         * object.h (Merged_symbol_value::value): Do our best to handle a
10212         negative addend.
10213
10214         PR 6647
10215         * script.cc (Version_script_info::get_versions): Don't add empty
10216         version tag to return value.
10217         (Version_script_info::get_symbol_version_helper): Change return
10218         type to bool.  Add pversion parameter.  Change all callers.
10219         (script_register_vers_node): Don't require a non-NULL tag.
10220         * script.h (class Version_script_info): Update declarations.
10221         (Version_script_info::get_symbol_version): Change return type to
10222         bool.  Add version parameter.  Change all callers.
10223         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10224         handling.  Handle an empty version from a version script.
10225         (Symbol_table::define_special_symbol): Likewise.
10226         * testsuite/ver_test_10.script: New file.
10227         * testsuite/ver_test_10.sh: New file.
10228         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10229         (check_DATA): Add ver_test_10.syms.
10230         (ver_test_10.syms, ver_test_10.so): New target.
10231         * testsuite/Makefile.in: Rebuild.
10232
10233 2008-07-23  Simon Baldwin  <simonb@google.com>
10234
10235         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10236         to zero for undefined symbols from dynamic libraries.
10237
10238 2008-07-23  Ian Lance Taylor  <iant@google.com>
10239
10240         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10241         Change all callers.
10242         * symtab.h (class Symbol_table): Update declaration.
10243         * testsuite/ver_test_9.cc: New file.
10244         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10245         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10246         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10247         (ver_test_9.so, ver_test_9.o): New targets.
10248         * testsuite/Makefile.in: Rebuild.
10249
10250 2008-07-22  Ian Lance Taylor  <iant@google.com>
10251
10252         * options.h (class General_options): Define --check-sections.
10253         * layout.cc (Layout::set_segment_offsets): Handle
10254         --check-sections.
10255
10256         * options.h (class General_options): Define -n/--nmagic and
10257         -N/--omagic.
10258         * options.cc (General_options::finalize): For -n/--nmagic or
10259         -N/--omagic, set -static.
10260         * layout.cc (Layout::attach_allocated_section_to_segment): If
10261         -N/--omagic, don't put read-only and read-write sections in
10262         different segments.
10263         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10264         finding a read-only segment.
10265         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10266         don't set the minimum segment alignment to the common page size,
10267         and don't set the file offset to the address modulo the page size.
10268         * script-sections.cc (Script_sections::create_segments): If
10269         -n/--omagic, don't put read-only and read-write sections in
10270         different segments.
10271
10272         * cref.cc: New file.
10273         * cref.h: New file.
10274         * options.h (class General_options): Add --print-symbol-counts.
10275         * main.cc (main): Issue defined symbol report if requested.
10276         * archive.cc (Archive::interpret_header): Make into a const member
10277         function.
10278         (Archive::add_symbols): Call Input_objects::archive_start and
10279         archive_stop.
10280         (Archive::const_iterator): Define new class.
10281         (Archive::begin, Archive::end): New functions.
10282         (Archive::include_all_members): Rewrite to use iterator.
10283         (Archive::count_members): New function.
10284         * archive.h (class Archive): Update declarations.
10285         (Archive::filename): New function.
10286         * object.cc: Include "cref.h".
10287         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10288         (Sized_relobj::do_get_global_symbol_counts): New function.
10289         (Input_objects::add_object): Add object to cross-referencer.
10290         (Input_objects::archive_start): New function.
10291         (Input_objects::archive_stop): New function.
10292         (Input_objects::print_symbol_counts): New function.
10293         * object.h: Declare Cref and Archive.
10294         (Object::get_global_symbol_counts): New function.
10295         (Object::do_get_global_symbol_counts): New pure virtual function.
10296         (class Sized_relobj): Add defined_count_ field.  Update
10297         declarations.
10298         (class Input_objects): Add cref_ field.  Update constructor.
10299         Update declarations.
10300         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10301         defined_count_.
10302         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10303         symbol counts.
10304         (Sized_dynobj::do_get_global_symbol_counts): New function.
10305         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10306         defined_count_.  Update declarations.  Define Symbols typedef.
10307         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10308         parameter.  Change all callers.
10309         (Symbol_table::add_from_dynobj): Add sympointers and defined
10310         parameters.  Change all callers.
10311         * symtab.h (class Symbol_table): Update declarations.
10312         * Makefile.am (CCFILES): Add cref.cc.
10313         (HFILES): Add cref.h.
10314         * Makefile.in: Rebuild.
10315
10316 2008-07-22  Simon Baldwin  <simonb@google.com>
10317
10318         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10319         to zero when writing undefined symbols.
10320
10321 2008-07-22  Ian Lance Taylor  <iant@google.com>
10322
10323         * output.cc (Output_section::add_input_section): Don't try to
10324         merge empty merge sections.
10325
10326 2008-07-21  Craig Silverstein  <csilvers@google.com>
10327
10328         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10329         Include symbol version in error message.
10330
10331 2008-07-20  Chris Demetriou  <cgd@google.com>
10332
10333         * configure.ac (gold_cv_c_random_seed): New configured variable.
10334         (RANDOM_SEED_CFLAGS): New substituted variable.
10335         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10336         * configure: Rebuild.
10337         * Makefile.in: Likewise.
10338         * testsuite/Makefile.in: Likewise.
10339
10340 2008-07-18  Ian Lance Taylor  <iant@google.com>
10341
10342         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10343         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10344         * testsuite/ver_test_main.cc (main): Call t4.
10345         (t4, t4_2a): Define.
10346         * testsuite/ver_test_2.cc (t4_2): Define.
10347         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10348         * testsuite/ver_test_4.cc (t4_2a): Define.
10349         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10350         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10351
10352 2008-07-17  Ian Lance Taylor  <iant@google.com>
10353
10354         * dynobj.cc (Versions::add_def): If we give an error about a
10355         missing version, go ahead and create the version anyhow.
10356
10357 2008-07-10  Ian Lance Taylor  <iant@google.com>
10358
10359         Handle output sections with more than 0x7fffffff bytes.
10360         * object.h (class Relobj): Change map_to_output_ to
10361         output_sections_, and just keep a section pointer.  Change all
10362         uses.  Move comdat group support to Sized_relobj.
10363         (Relobj::is_section_specially_mapped): Remove.
10364         (Relobj::output_section): Remove poff parameter.  Change all
10365         callers.
10366         (Relobj::output_section_offset): New function.
10367         (Relobj::set_section_offset): Rewrite.
10368         (Relobj::map_to_output): Remove.
10369         (Relobj::output_sections): New function.
10370         (Relobj::do_output_section_offset): New pure virtual function.
10371         (Relobj::do_set_section_offset): Likewise.
10372         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10373         group support from Relobj.  Update declarations.
10374         (Sized_relobj::get_output_section_offset): New function.
10375         (Sized_relobj::do_output_section_offset): New function.
10376         (Sized_relobj::do_set_section_offset): New function.
10377         * object.cc (Relobj::output_section_address): Remove.
10378         (Sized_relobj::Sized_relobj): Initialize new fields.
10379         (Sized_relobj::include_section_group): Cast find_kept_object to
10380         Sized_relobj.
10381         (Sized_relobj::include_linkonce_section): Likewise.
10382         (Sized_relobj::do_layout): Use separate arrays for output section
10383         and output offset.
10384         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10385         output_sections.
10386         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10387         output_sections and section_offsets.
10388         (Sized_relobj::write_local_symbols): Likewise.
10389         (map_to_kept_section): Compute output address directly.
10390         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10391         output_sections and section_offsets.
10392         (Sized_relobj::write_sections): Likewise.
10393         (Sized_relobj::relocate_sections): Likewise.
10394         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10395         * output.h (class Output_reloc): Update declarations.  Change
10396         u2_.relobj to Sized_relobj*.
10397         (class Output_data_reloc): Change add functions to use
10398         Sized_relobj*.
10399         * output.cc (Output_reloc::Output_reloc): Change relobj to
10400         Sized_relobj*.
10401         (Output_reloc::local_section_offset): Change return type to
10402         Elf_Addr.  Use get_output_section_offset.
10403         (Output_reloc::get_address): Likewise.
10404         (Output_section::is_input_address_mapped): Don't call
10405         is_section_specially_mapped.
10406         (Output_section::output_offset): Likewise.
10407         (Output_section::output_address): Likewise.
10408         (Output_section::starting_output_address): Likewise.
10409         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10410         parameter to Sized_relobj*.
10411         (Copy_relocs::need_copy_reloc): Likewise.
10412         (Copy_relocs::save): Likewise.
10413         * copy-relocs.h (class Copy_relocs): Update declarations.
10414         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10415         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10416         * target-reloc.h (relocate_for_relocatable): Change
10417         offset_in_output_section type to Elf_Addr.  Change code that uses
10418         it as well.
10419         * layout.cc (Layout::layout): Always set *off.
10420         * mapfile.cc (Mapfile::print_input_section): Use
10421         output_section_offset.
10422         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10423         Sized_relobj*.
10424         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10425         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10426         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10427
10428 2008-07-03  Ian Lance Taylor  <iant@google.com>
10429
10430         * layout.cc (Layout::include_section): Do not discard unrecognized
10431         SHT_STRTAB sections.
10432
10433 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10434
10435         * script.cc (Lex::can_continue_name): Make '?' allowable in
10436         version-script names.
10437         * testsuite/version_script.map: Change glob pattern to use '?'
10438
10439 2008-06-30  Manish Singh  <yosh@gimp.org>
10440
10441         PR 6585
10442         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10443         Correct typo.
10444
10445 2008-06-30  Ian Lance Taylor  <iant@google.com>
10446
10447         PR 6660
10448         PR 6682
10449         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10450         versions]: Don't try to read the value in the contents, since we
10451         don't use it.  Use the template endianness when writing.
10452
10453 2008-06-25  Cary Coutant  <ccoutant@google.com>
10454
10455         * fileread.cc (File_read::make_view): Assert on zero-length view.
10456         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10457         symbol table when there are no symbols to read.
10458
10459 2008-06-23  Craig Silverstein  <csilvers@google.com>
10460
10461         * version.cc (version_string): Bump to 1.7
10462
10463 2008-06-18  Craig Silverstein  <csilvers@google.com>
10464
10465         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10466         constant 0xFFFF to type Valtype.
10467         (Powerpc_relocate_functions::rel16_ha): Likewise.
10468
10469 2008-06-17  Ian Lance Taylor  <iant@google.com>
10470
10471         * output.h (Output_section::Input_section): Initialize p2align_ to
10472         zero for Output_section_data constructors.
10473         (Output_section::Input_section::addralign): If not an input
10474         section, return the alignment of the Output_section_data.
10475         * testsuite/copy_test.cc: New file.
10476         * testsuite/copy_test_1.cc: New file.
10477         * testsuite/copy_test_2.cc: New file.
10478         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10479         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10480         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10481         (copy_test_1_pic.o, copy_test_1.so): New targets.
10482         (copy_test_2_pic.o, copy_test_2.so): New targets.
10483         * testsuite/Makefile.in: Rebuild.
10484
10485         * script-sections.cc (Script_sections::place_orphan): Initialize
10486         local variable exact.
10487
10488 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10489
10490         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10491
10492 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10493             David S. Miller  <davem@davemloft.net>
10494
10495         * powerpc.cc: New file.
10496         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10497         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10498         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10499         * Makefile.in: Rebuild.
10500
10501 2008-06-09  Ian Lance Taylor  <iant@google.com>
10502
10503         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10504         <exception>.
10505         (throwing, orig_terminate): New static variables.
10506         (terminate_handler): New static function.
10507         (t2): Set terminate handler.
10508
10509 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10510
10511         PR 6584
10512         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10513         alignment.
10514
10515 2008-05-30  Cary Coutant  <ccoutant@google.com>
10516
10517         * archive.cc (Archive::include_all_members) Correct to step
10518         over symbol table and extended name table in thin archives.
10519
10520 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10521
10522         PR 6407
10523         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10524         calculation.
10525
10526 2008-05-28  Caleb Howe  <cshowe@google.com>
10527
10528         * reduced_debug_output.cc: New file.
10529         * reduced_debug_output.h: New file.
10530         * options.h (class General_options): Add --strip-debug-non-line.
10531         * options.cc (General_options::finalize): Add strip_debug_non_line
10532         to the strip heirarchy.
10533         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10534         fields.
10535         * layout.cc: Include "reduced_debug_output.h".
10536         (Layout::Layout): Initialize new fields.
10537         (line_only_debug_sections): New static array.
10538         (is_lines_only_debug_sections): New static inline function.
10539         (Layout::include_section): Handle --strip-debug-non-line.
10540         (Layout::make_output_section): If --strip-debug-non-line, build
10541         new output sections for .debug_abbrev and .debug_info.
10542         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10543         gold.  Warn about possible overflow.
10544         (read_signed_LEB_128): Likewise.
10545         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10546         (read_signed_LEB_128): Declare.
10547         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10548         (HFILES): Add reduced_debug_output.h.
10549         * Makefile.in: Rebuild.
10550
10551 2008-05-21  Ian Lance Taylor  <iant@google.com>
10552
10553         * mapfile.cc: New file.
10554         * mapfile.h: New file.
10555         * options.h (class General_options): Add -M/--print-map and -Map.
10556         * options.cc (General_options::finalize): Make -M equivalent to
10557         -Map -.
10558         * main.cc: Include <cstdio> and "mapfile.h".
10559         (main): Open mapfile if requested.
10560         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10561         constructor.  Change caller.
10562         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10563         (queue_middle_tasks): Likewise.
10564         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10565         declarations.
10566         * archive.cc: Include "mapfile.h".
10567         (Archive::add_symbols): Add mapfile parameter.  Change all
10568         callers.  Pass mapfile, symbol, and reason to include_member.
10569         (Archive::include_all_members): Add mapfile parameter.  Change all
10570         callers.
10571         (Archive::include_member): Add mapfile, sym, and why parameters.
10572         Change all callers.  Report inclusion to map file.
10573         * archive.h: Include "fileread.h".
10574         (class Archive): Update declarations.
10575         (Archive::file): New const method.
10576         (class Add_archive_symbols): Add mapfile_ field.  Update
10577         constructor.  Change all callers.
10578         * readsyms.h (class Read_symbols): Likewise.
10579         (class Finish_group): Likewise.
10580         (class Read_script): Likewise.
10581         * common.cc: Include "mapfile.h".
10582         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10583         all callers.
10584         (Symbol_table::do_allocate_commons): Likewise.
10585         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10586         symbol allocation to mapfile.
10587         * common.h (class Allocate_commons_task): Add mapfile_ field.
10588         Update constructor.  Change all callers.
10589         * symtab.h (class Symbol_table): Update declarations.
10590         * layout.cc: Include "mapfile.h".
10591         (Layout_task_runner::run): Print information to mapfile.
10592         (Layout::create_gold_note): Change Output_data_fixed_space to
10593         Output_data_zero_fill.
10594         (Layout::create_build_id): Likewise.
10595         (Layout::print_to_mapfile): New function.
10596         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10597         constructor.  Change caller.
10598         (class Layout): Declare print_to_mapfile.
10599         * output.cc (Output_section::Input_section::print_to_mapfile): New
10600         function.
10601         (Output_section::add_input_section): If producing a map, always
10602         add to input_sections_ list.
10603         (Output_section::do_print_to_mapfile): New function.
10604         (Output_segment::print_sections_to_mapfile): New function.
10605         (Output_segment::print_section_list_to_mapfile): New function.
10606         * output.h: Include "mapfile.h".
10607         (Output_data::print_to_mapfile): New function.
10608         (Output_data::do_print_to_mapfile): New virtual function.
10609         (Output_segment_headers::do_print_to_mapfile): New function.
10610         (Output_file_header::do_print_to_mapfile): New function.
10611         (Output_data_const::do_print_to_mapfile): New function.
10612         (class Output_data_const_buffer): Add map_name_ field.  Update
10613         constructor.  Change all callers.  Add do_print_to_mapfile
10614         function.
10615         (class Output_data_fixed_space): Likewise.
10616         (class Output_data_space): Likewise.
10617         (class Output_data_zero_fill): New class.
10618         (Output_data_strtab::do_print_to_mapfile): New function.
10619         (Output_data_reloc_base::do_print_to_mapfile): New function.
10620         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10621         (Output_data_group::do_print_to_mapfile): New function.
10622         (Output_data_got::do_print_to_mapfile): New function.
10623         (Output_data_dynamic::do_print_to_mapfile): New function.
10624         (Output_symtab_xindex::do_print_to_mapfile): New function.
10625         (class Output_section): Declare do_print_to_mapflie.  Declare
10626         print_to_mapfile in Input_section.
10627         (class Output_segment): Declare new functions.
10628         * object.h (Sized_relobj::symbol_count): New function.
10629         * script-sections.cc
10630         (Output_section_element_dot_assignment::set_section_addresses):
10631         Change Output_data_fixed_space to Output_data_zero_fill.
10632         (Output_data_expression::do_print_to_mapfile): New function.
10633         * script.cc (read_input_script): Add mapfile parameter.  Change
10634         all callers.
10635         * script.h (read_input_script): Update declaration.
10636         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10637         (Eh_frame::do_print_to_mapfile): New function.
10638         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10639         (Output_merge_string::do_print_to_mapfile): New function.
10640         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10641         function.
10642         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10643         function.
10644         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10645         function.
10646         * Makefile.am (CCFILES): Add mapfile.cc.
10647         (HFILES): Add mapfile.h.
10648         * Makefile.in: Rebuild.
10649
10650 2008-05-19  Ian Lance Taylor  <iant@google.com>
10651
10652         * options.h (class General_options): Add -z relro.
10653         * layout.cc (Layout::Layout): Initialize relro_segment_.
10654         (Layout::add_output_section_data): Return the output section.
10655         (Layout::make_output_section): Rcognize relro sections and mark
10656         them appropriately.
10657         (Layout::attach_allocated_section_to_segment): Put relro sections
10658         in a PT_GNU_RELRO segment.
10659         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10660         section as relro.
10661         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10662         PT_TLS segments.
10663         (Layout::linkonce_mapping): Map d.rel.ro.local to
10664         .data.rel.ro.local.
10665         (Layout::output_section_name): Us .data.rel.ro.local for any
10666         section which begins with that.
10667         * layout.h (class Layout): Update add_output_section_data
10668         declaration.  Add relro_segment_ field.
10669         * output.cc (Output_section::Output_section): Initialize is_relro_
10670         and is_relro_local_ fields.
10671         (Output_segment::add_output_section): Group relro sections.
10672         (Output_segment::is_first_section_relro): New function.
10673         (Output_segment::maximum_alignment): If there is a relro section,
10674         align the segment to the common page size.
10675         (Output_segment::set_section_addresses): Track whether we are
10676         looking at relro sections.  If the last section is a relro
10677         section, align to the common page size.
10678         (Output_segment::set_section_list_addresses): Add in_relro
10679         parameter.  Change all callers.  Align to the page size when
10680         moving from relro to non-relro section.
10681         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10682         segment.
10683         * output.h (class Output_section): Add is_relro_ and
10684         is_relro_local_ fields.
10685         (Output_section::is_relro): New function.
10686         (Output_section::set_is_relro): New function.
10687         (Output_section::is_relro_local): New function.
10688         (Output_section::set_is_relro_local): New function.
10689         (class Output_segment): Update declarations.
10690         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10691         * sparc.cc (Target_sparc::got_section): Likewise.
10692         * x86_64.cc (Target_x86_64::got_section): Likewise.
10693         * testsuite/relro_test_main.cc: New file.
10694         * testsuite/relro_test.cc: New file.
10695         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10696         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10697         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10698         (relro_test.so, relro_test_pic.o): New targets.
10699         * testsuite/Makefile.in: Rebuild.
10700
10701 2008-05-16  Ian Lance Taylor  <iant@google.com>
10702
10703         * output.cc (Output_segment::add_output_section): Remove front
10704         parameter.
10705         * output.h (class Output_segment): Remove
10706         add_initial_output_section and overloaded add_output_section.
10707         Update declaration of remaining add_output_section.
10708         * layout.cc (Layout::create_interp): Call add_output_section
10709         rather than add_initial_output_section.
10710         (Layout::finish_dynamic_section): Likewise.
10711
10712         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10713         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10714         know the dynamic type.
10715         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10716         field.  Initialize it in constructor.
10717         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10718         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10719         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10720         reloc.
10721
10722         * output.cc (Output_reloc::get_address): Change return type to
10723         Elf_Addr.
10724         * output.h (class Output_reloc): Update get_address declaration.
10725         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10726         for section addresses.
10727
10728 2008-05-09  Ian Lance Taylor  <iant@google.com>
10729
10730         PR 6493
10731         * gold.cc (gold_nomem): Use return value of write.
10732
10733 2008-05-08  Ian Lance Taylor  <iant@google.com>
10734
10735         * symtab.c (Symbol::init_base_output_data): Add version
10736         parameter.  Change all callers.
10737         (Symbol::init_base_output_segment): Likewise.
10738         (Symbol::init_base_constant): Likewise.
10739         (Symbol::init_base_undefined): Likewise.
10740         (Sized_symbol::init_output_data): Likewise.
10741         (Sized_symbol::init_output_segment): Likewise.
10742         (Sized_symbol::init_constant): Likewise.
10743         (Sized_symbol::init_undefined): Likewise.
10744         (Symbol_table::do_define_in_output_data): If the new symbol has a
10745         version, mark it as the default.
10746         (Symbol_table::do_define_in_output_segment): Likewise.
10747         (Symbol_table::do_define_as_constant): Likewise.
10748         * symtab.h (class Symbol): Update declarations.
10749         (class Sized_symbol): Likewise.
10750         * resolve.cc (Symbol::override_version): New function.
10751         (Symbol::override_base): Call override_version.
10752         (Symbol::override_base_with_special): Likewise.
10753         * testsuite/ver_script_8.script: New file.
10754         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10755         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10756         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10757         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10758
10759 2008-05-06  Ian Lance Taylor  <iant@google.com>
10760
10761         PR 6049
10762         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10763         functions.
10764         (class General_options): Remove existing --undefined, and add
10765         --no-undefined instead.  Add new --undefined as synonym for -u.
10766         * archive.cc (Archive::add_symbols): Check whether symbol was
10767         named with -u.
10768         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10769         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10770         all uses.  Add IS_UNDEFINED.  Update declarations to split
10771         different versions of init_base.  Declare init_base_undefined.
10772         (Symbol::is_defined): Handle IS_UNDEFINED.
10773         (Symbol::is_undefined): Likewise.
10774         (Symbol::is_weak_undefined): Call is_undefined.
10775         (Symbol::is_absolute): Handle IS_CONSTANT.
10776         (class Sized_symbol): Update declarations to split different
10777         versions of init.  Declare init_undefined.
10778         (class Symbol_table): Declare new functions.
10779         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10780         Change all callers.
10781         (Symbol::init_base_output_data): Likewise.
10782         (Symbol::init_base_output_segment): Likewise.
10783         (Symbol::init_base_constant): Likewise.
10784         (Symbol::init_base_undefined): New function.
10785         (Sized_symbol::init_object): Rename from init.  Change all
10786         callers.
10787         (Sized_symbol::init_output_data): Likewise.
10788         (Sized_symbol::init_output_segment): Likewise.
10789         (Sized_symbol::init_constant): Likewise.
10790         (Sized_symbol::init_undefined): New function.
10791         (Symbol_table::add_undefined_symbols_from_command_line): New
10792         function.
10793         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10794         function.
10795         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10796         (Symbol::output_section): Likewise.
10797         (Symbol::set_output_section): Likewise.
10798         (Symbol_table::sized_finalize_symbol): Likewise.
10799         (Symbol_table::sized_write_globals): Likewise.
10800         * resolve.cc (Symbol_table::should_override): Likewise.
10801         (Symbol::override_base_with_special): Likewise.
10802
10803         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10804         symbol, change it to have default visibility.
10805         * testsuite/protected_1.cc: New file.
10806         * testsuite/protected_2.cc: New file.
10807         * testsuite/protected_3.cc: New file.
10808         * testsuite/protected_main_1.cc: New file.
10809         * testsuite/protected_main_2.cc: New file.
10810         * testsuite/protected_main_3.cc: New file.
10811         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10812         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10813         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10814         (protected_1.so): New target.
10815         (protected_1_pic.o, protected_2_pic.o): New targets.
10816         (protected_3_pic.o): New target.
10817         (check_PROGRAMS): Add protected_2.
10818         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10819         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10820         * testsuite/Makefile.in: Rebuild.
10821
10822         * options.h (DEFINE_var): Add set_user_set_##varname__.
10823         (DEFINE_bool_alias): New macro.
10824         (class General_options): Define -Bstatic using DEFINE_bool_alias
10825         rather than DEFINE_special.  Add --undefined as an alias for -z
10826         defs.
10827         * options.cc (General_options::parse_Bstatic): Remove.
10828
10829         * options.h (class General_options): Add --fatal-warnings.
10830         * main.cc (main): Implement --fatal-warnings.
10831         * errors.h (Errors::warning_count): New function.
10832
10833         * options.h (class General_options): Add -Bsymbolic-functions.
10834         * symtab.h (Symbol::is_preemptible): Check for
10835         -Bsymbolic-functions.
10836
10837 2008-05-05  Ian Lance Taylor  <iant@google.com>
10838
10839         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10840         as noVARNAME rather than no-VARNAME.
10841         (class General_options): Add option -z combreloc.
10842         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10843         get_address.
10844         (Output_reloc::sort_before) [SHT_REL]: New function.
10845         (Output_reloc::sort_before) [SHT_RELA]: New function.
10846         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10847         Sort_relocs_comparison.
10848         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10849         parameter.  Change all callers.
10850         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10851         sort_relocs parameter.  Change all callers.
10852         * output.cc (Output_reloc::get_address): New function, broken out
10853         of write_rel.
10854         (Output_reloc::write_rel): Call it.
10855         (Output_reloc::compare): New function.
10856         (Output_data_reloc_base::do_write): Optionally sort relocs.
10857
10858         * configure.ac: If targ_extra_obj is set, link it in.
10859         * configure.tgt: Initialize all variables.
10860         (x86_64*): Set targ_extra_obj and targ_extra_size.
10861         * configure: Rebuild.
10862
10863         * object.cc (Sized_relobj::include_section_group): Adjust section
10864         indexes read from group data.  Build vector to pass to
10865         layout_group.
10866         * layout.cc (Layout::layout_group): Add flags and shndxes
10867         parameters.  Remove contents parameter.  Change caller.  Update
10868         explicit instantiations.
10869         * layout.h (class Layout): Update layout_group declaration.
10870         * output.cc (Output_data_group::Output_data_group): Add flags and
10871         input_shndxes parameters.  Remove contents parameter.  Change
10872         caller.
10873         (Output_data_group::do_write): Change input_sections_ to
10874         input_shndxes_.
10875         * output.h (class Output_data_group): Update constructor
10876         declaration.  Rename input_sections_ to input_shndxes_.
10877         * testsuite/many_sections_test.cc: Add template.
10878
10879 2008-04-30  Cary Coutant  <ccoutant@google.com>
10880
10881         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10882
10883         * layout.cc (Layout::include_section): Refactored check for debug
10884         info section.
10885         (Layout::add_comdat): Add new parameters.  Change type
10886         of signature parameter.  Add object and shndx to signatures table.
10887         (Layout::find_kept_object): New function.
10888         * layout.h: Include <cstring>.
10889         (Layout::is_debug_info_section): New function.
10890         (Layout::add_comdat): Add new parameters.
10891         (Layout::find_kept_object): New function.
10892         (Layout::Kept_section): New struct.
10893         (Layout::Signatures): Change type of map range.
10894         * object.cc (Relobj::output_section_address): New function.
10895         (Sized_relobj::include_section_group): Add new parameters.  Change
10896         calls to Layout::add_comdat.  Change to build table of kept comdat
10897         groups and table mapping discarded sections to kept sections.
10898         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10899         (Sized_relobj::do_layout): Change calls to include_section_group and
10900         include_linkonce_section.
10901         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10902         value to zero when section is discarded.
10903         (Sized_relobj::map_to_kept_section): New function.
10904         * object.h (Relobj::output_section_address): New function.
10905         (Relobj::Comdat_group): New type.
10906         (Relobj::find_comdat_group): New function.
10907         (Relobj::Comdat_group_table): New type.
10908         (Relobj::Kept_comdat_section): New type.
10909         (Relobj::Kept_comdat_section_table): New type.
10910         (Relobj::add_comdat_group): New function.
10911         (Relobj::set_kept_comdat_section): New function.
10912         (Relobj::get_kept_comdat_section): New function.
10913         (Relobj::comdat_groups_): New field.
10914         (Relobj::kept_comdat_sections_): New field.
10915         (Symbol_value::input_value): Update comment.
10916         (Sized_relobj::map_to_kept_section) New function.
10917         (Sized_relobj::include_linkonce_section): Add new parameter.
10918         * target-reloc.h (Comdat_behavior): New type.
10919         (get_comdat_behavior): New function.
10920         (relocate_section): Add code to map a discarded section to the
10921         corresponding kept section when applying a relocation.
10922
10923 2008-04-30  Craig Silverstein  <csilvers@google.com>
10924
10925         * dwarf_reader.cc (next_generation_count): New static var.
10926         (Addr2line_cache_entry): New struct.
10927         (addr2line_cache): New static var.
10928         (Dwarf_line_info::one_addr2line): Added caching.
10929         (Dwarf_line_info::clear_addr2line_cache): New function.
10930         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10931         cache-size parameter.
10932         (Dwarf_line_info::one_addr2line_cache): New function.
10933         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10934         new cache-size argument to one_addr2line(), and clear cache.
10935
10936 2008-04-28  Cary Coutant  <ccoutant@google.com>
10937
10938         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10939         R_386_PC8 relocations.
10940
10941 2008-04-23  Ian Lance Taylor  <iant@google.com>
10942
10943         * object.cc (Sized_relobj::include_section_group): Check for
10944         invalid section group.
10945
10946         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10947         header size.
10948
10949         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10950         than read for file header.
10951         * archive.cc (Archive::include_member): Likewise.
10952
10953 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10954
10955         * aclocal.m4: Regenerate.
10956         * configure: Regenerate.
10957
10958 2008-04-19  Ian Lance Taylor  <iant@google.com>
10959
10960         * version.cc (version_string): Bump to 1.6.
10961
10962         * testsuite/Makefile.am (many_sections_r_test): New target.
10963         (many_sections_r_test_SOURCES): Remove.
10964         (many_sections_r_test_DEPENDENCIES): Remove.
10965         (many_sections_r_test_LDFLAGS): Remove.
10966         (many_sections_r_test_LDADD): Remove.
10967
10968         * object.cc (Sized_relobj::do_add_symbols): Always pass
10969         local_symbol_count_ to add_from_relobj.
10970
10971         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10972         every thousand variables.
10973         * testsuite/Makefile.in: Rebuild.
10974
10975         * object.cc (Xindex::initialize_symtab_xindex): New function.
10976         (Xindex::read_symtab_xindex): New function.
10977         (Xindex::sym_xindex_to_shndx): New function.
10978         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10979         available.
10980         (Sized_relobj::do_initialize_xindex): New function.
10981         (Sized_relobj::do_read_symbols): Adjust section links.
10982         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10983         parameter.  Change all callers.
10984         (Sized_relobj::include_section_group): Adjust section links and
10985         symbol section indexes.
10986         (Sized_relobj::do_layout): Adjust section links.
10987         (Sized_relobj::do_count_local_symbols): Adjust section links and
10988         symbol section indexes.
10989         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10990         ordinary and special symbols.
10991         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10992         dynsym_xindex parameters.  Change all callers.  Adjust section
10993         links.  Use SHN_XINDEX when needed.
10994         (Sized_relobj::get_symbol_location_info): Adjust section links.
10995         Don't get fooled by special symbols.
10996         * object.h (class Xindex): Define.
10997         (class Object): Add xindex_ parameter.  Declare virtual functoin
10998         do_initialize_xindex.
10999         (Object::adjust_sym_shndx): New function.
11000         (Object::set_xindex): New protected function.
11001         (class Symbol_value): Add is_ordinary_shndx_ field.
11002         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11003         (Symbol_value::value): Assert ordinary section.
11004         (Symbol_value::initialize_input_to_output_map): Likewise.
11005         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11006         Change all callers.
11007         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11008         all callers.
11009         (class Sized_relobj): Update declarations.
11010         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11011         parameter.  Change all callers.
11012         (Sized_relobj::adjust_shndx): New function.
11013         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11014         field.
11015         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11016         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11017         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11018         (Sized_dynobj::read_dynsym_section): Adjust section links.
11019         (Sized_dynobj::read_dynamic): Likewise.
11020         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11021         section links.
11022         (Sized_dynobj::do_initialize_xindex): New function.
11023         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11024         do_initialize_xindex.
11025         (Sized_dynobj::adjust_shndx): New function.
11026         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11027         dynsym_xindex_ fields.
11028         (Layout::finalize): Add a call to set_section_indexes before
11029         creating the symtab sections.
11030         (Layout::set_section_indexes): Don't do anything if the section
11031         already has a section index.
11032         (Layout::create_symtab_sections): Add shnum parameter.  Change
11033         caller.  Create .symtab_shndx section if needed.
11034         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11035         caller.
11036         (Layout::allocated_output_section_count): New function.
11037         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11038         needed.
11039         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11040         fields.  Update declarations.
11041         (Layout::symtab_xindex): New function.
11042         (Layout::dynsym_xindex): New function.
11043         (class Write_symbols_task): Add layout_ field.
11044         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11045         Change caller.
11046         * output.cc (Output_section_headers::Output_section_headers): Add
11047         shstrtab_section parameter.  Change all callers.
11048         (Output_section_headers::do_sized_write): Store overflow values
11049         for section count and section string table section index in
11050         section header zero.
11051         (Output_file_header::do_sized_write): Check for overflow of
11052         section count and section string table section index.
11053         (Output_symtab_xindex::do_write): New function.
11054         (Output_symtab_xindex::endian_do_write): New function.
11055         * output.h (class Output_section_headers): Add shstrtab_section_.
11056         Update declarations.
11057         (class Output_symtab_xindex): Define.
11058         (Output_section::has_out_shndx): New function.
11059         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11060         field.
11061         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11062         Change all callers.
11063         (Sized_symbol::init): Likewise.
11064         (Symbol::output_section): Check for ordinary symbol.
11065         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11066         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11067         callers.
11068         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11069         Change all callers.  Simplify handling of symbols from sections
11070         not included in the link.
11071         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11072         distinction.
11073         (Weak_alias_sorter::operator()): Assert that symbols are
11074         ordinary.
11075         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11076         distinction.
11077         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11078         parameters.  Change all callers.
11079         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11080         symbol distinction.  Use SHN_XINDEX when needed.
11081         (Symbol_table::write_section_symbol): Add symtab_xindex
11082         parameter.  Change all callers.
11083         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11084         SHN_XINDEX when needed.
11085         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11086         declarations.
11087         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11088         (Symbol::is_defined): Check is_ordinary.
11089         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11090         (Symbol::is_absolute, Symbol::is_common): Likewise.
11091         (class Sized_symbol): Update declarations.
11092         (class Symbol_table): Update declarations.
11093         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11094         parameters.  Change all callers.
11095         (Sized_symbol::override): Likewise.
11096         (Symbol_table::override): Likewise.
11097         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11098         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11099         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11100         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11101         to be in an ordinary section.
11102         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11103         object and is_ordinary parameters.  Change all callers.
11104         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11105         Change all callers.  Don't add undefined or non-ordinary symbols
11106         to reloc_map_.
11107         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11108         Change all callers.
11109         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11110         declarations.
11111         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11112         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11113         (Sized_relobj::relocate_sections): Likewise.
11114         * target-reloc.h (scan_relocs): Adjust section symbol index.
11115         (scan_relocatable_relocs): Likewise.
11116         * i386.cc (Scan::local): Check for ordinary symbols.
11117         * sparc.cc (Scan::local): Likewise.
11118         * x86_64.cc (Scan::local): Likewise.
11119         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11120         to symbol_section_and_value.
11121         * testsuite/many_sections_test.cc: New file.
11122         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11123         (check_PROGRAMS): Add many_sections_test.
11124         (many_sections_test_SOURCES): Define.
11125         (many_sections_test_DEPENDENCIES): Define.
11126         (many_sections_test_LDFLAGS): Define.
11127         (BUILT_SOURCES): Add many_sections_define.h.
11128         (many_sections_define.h): New target.
11129         (BUILT_SOURCES): Add many_sections_check.h.
11130         (many_sections_check.h): New target.
11131         (check_PROGRAMS): Add many_sections_r_test.
11132         (many_sections_r_test_SOURCES): Define.
11133         (many_sections_r_test_DEPENDENCIES): Define.
11134         (many_sections_r_test_LDFLAGS): Define.
11135         (many_sections_r_test_LDADD): Define.
11136         (many_sections_r_test.o): New target.
11137         * testsuite/Makefile.in: Rebuild.
11138
11139 2008-04-17  Cary Coutant  <ccoutant@google.com>
11140
11141         * errors.cc (Errors::info): New function.
11142         (gold_info): New function.
11143         * errors.h (Errors::info): New function.
11144         * gold.h (gold_info): New function.
11145         * object.cc (Input_objects::add_object): Print trace output.
11146         * options.cc (options::parse_set): New function.
11147         (General_options::parse_wrap): Deleted.
11148         (General_options::General_options): Deleted initializer.
11149         * options.h (options::String_set): New typedef.
11150         (options::parse_set): New function.
11151         (DEFINE_set): New macro.
11152         (General_options::wrap): Changed to use DEFINE_set. Changed
11153         callers of any_wrap_symbols and is_wrap_symbol.
11154         (General_options::trace, General_options::trace_symbol):
11155         New options.
11156         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11157         (General_options::wrap_symbols_): Deleted.
11158         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11159
11160 2008-04-17  David S. Miller  <davem@davemloft.net>
11161
11162         * options.cc (General_options::parse_V): New function.
11163         * options.h: Add entries for -V and -Qy.
11164
11165 2008-04-17  Ian Lance Taylor  <iant@google.com>
11166
11167         * common.cc (Symbol_table::allocate_commons): Remove options
11168         parameter.  Change caller.
11169         (Symbol_table::do_allocate_commons): Remove options parameter.
11170         Change caller.  Just call do_allocate_commons_list twice.
11171         (Symbol_table::do_allocate_commons_list): New function, broken out
11172         of do_allocate_commons.
11173         * common.h (class Allocate_commons_task): Remove options_ field.
11174         Update constructor.
11175         * symtab.cc (Symbol_table::Symbol_table): Initialize
11176         tls_commons_.
11177         (Symbol_table::add_from_object): Put TLS common symbols on
11178         tls_commons_ list.
11179         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11180         which are IN_OUTPUT_DATA.
11181         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11182         allocate_commons and do_allocate_commons declarations.  Declare
11183         do_allocate_commons_list.
11184         * gold.cc (queue_middle_tasks): Update creation of
11185         Allocate_commons_task to not pass options.
11186         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11187         (TLS_TEST_C_FLAGS): New variable.
11188         (tls_test_c_pic.o): New target.
11189         (tls_test_shared.so): Link in tls_test_c_pic.o.
11190         (tls_test_c_pic_ie.o): New target.
11191         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11192         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11193         (tls_test_c.o): New target.
11194         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11195         (tls_pic_test_LDADD): Likewise.
11196         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11197         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11198         (tls_test_c_gnu2.o): New target.
11199         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11200         tls_test_c_gnu2.o.
11201         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11202         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11203         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11204         * testsuite/tls_test.cc: Include "config.h".
11205         (t_last): Call t11_last.
11206         * testsuite/tls_test.h (t11, t11_last): Declare.
11207         * testsuite/tls_test_c.c: New file.
11208         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11209         * configure.ac: Check for OpenMP support.
11210         * configure, config.in, Makefile.in: Rebuild.
11211         * testsuite/Makefile.in: Rebuild.
11212
11213 2008-04-16  Cary Coutant  <ccoutant@google.com>
11214
11215         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11216         (Target_i386::tls_base_symbol_defined_): New field.
11217         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11218         (Target_i386::Scan::global): Likewise.
11219         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11220         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11221         (Target_x86_64::tls_base_symbol_defined_): New field.
11222         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11223         (Target_x86_64::Scan::global): Likewise.
11224
11225 2008-04-16  Cary Coutant  <ccoutant@google.com>
11226
11227         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11228         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11229         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11230         building shared libraries.
11231         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11232         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11233         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11234         * testsuite/Makefile.in: Rebuild.
11235         * testsuite/weak_undef.h: New file.
11236         * testsuite/weak_undef_file1.cc: Add extra test cases.
11237         * testsuite/weak_undef_file2.cc: Likewise.
11238         * testsuite/weak_undef_test.cc: Likewise.
11239
11240 2008-04-16  David S. Miller  <davem@davemloft.net>
11241
11242         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11243         Add issued_non_pic_error_ field.  Declare check_non_pic.
11244         (Target_sparc::Scan::check_non_pic): New function.
11245         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11246         (Target_sparc::Scan::global): Likewise.
11247
11248         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11249         * configure: Rebuild.
11250
11251         * options.h (DEFINE_enable): New macro.
11252         (new_dtags): New enable option.
11253         (initfirst, interpose, loadfltr, nodefaultlib,
11254         nodelete, nodlopen, nodump): New -z options.
11255         * layout.cc (Layout:finish_dynamic_section): If new
11256         dtags enabled, emit DT_RUNPATH.  Also, emit a
11257         DT_FLAGS_1 containing any specified -z flags.
11258
11259 2008-04-16  Ian Lance Taylor  <iant@google.com>
11260
11261         * copy-relocs.cc: New file.
11262         * copy-relocs.h: New file.
11263         * reloc.cc: Remove Copy_relocs code.
11264         * reloc.h: Likewise.
11265         * reloc-types.h (struct Reloc_types) [both versions]: Add
11266         get_reloc_addend_noerror.
11267         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11268         variants of add_global which take an addend which must be zero.
11269         * i386.cc: Include "copy-relocs.h".
11270         (class Target_i386): Change type of copy_relocs_ to variable,
11271         update initializer.
11272         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11273         Change all callers.
11274         (Target_i386::do_finalize_sections): Change handling of
11275         copy_relocs_.
11276         * sparc.cc: Include "copy-relocs.h".
11277         (class Target_sparc): Change type of copy_relocs_ to variable,
11278         update initializer.
11279         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11280         Change all callers.
11281         (Target_sparc::do_finalize_sections): Change handling of
11282         copy_relocs_.
11283         * x86_64.cc: Include "copy-relocs.h".
11284         (class Target_x86_64): Change type of copy_relocs_ to variable,
11285         update initializer.
11286         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11287         class.  Change all callers.
11288         (Target_x86_64::do_finalize_sections): Change handling of
11289         copy_relocs_.
11290         * Makefile.am (CCFILES): Add copy-relocs.cc.
11291         (HFILES): Add copy-relocs.h.
11292
11293         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11294
11295         * testsuite/script_test_4.sh: Permit leading zeroes.
11296
11297 2008-04-15  Ian Lance Taylor  <iant@google.com>
11298
11299         * script-sections.cc (Script_sections::create_segments): Use
11300         header_size_adjustment even when there is enough room for the
11301         headers.
11302         * testsuite/script_test_4.sh: New file.
11303         * testsuite/script_test_4.t: New file.
11304         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11305         (check_DATA): Add script_test_4.stdout.
11306         (MOSTLYCLEANFILES): Likewise.
11307         (script_test_4): New target.
11308         (script_test_4.stdout): New target.
11309         * testsuite/Makefile.in: Rebuild.
11310
11311         * sparc.cc: Add definitions for Output_data_plt_sparc class
11312         constants.
11313
11314 2008-04-14  David S. Miller  <davem@davemloft.net>
11315
11316         * sparc.cc: New file.
11317         * Makefile.am (TARGETSOURCES): Add sparc.cc
11318         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11319         * configure.tgt: Document targ_extra_size and
11320         targ_extra_big_endian.  Add entries for sparc-* and
11321         sparc64-*.
11322         * configure.ac: Handle targ_extra_size and
11323         targ_extra_big_endian.
11324         * Makefile.in: Rebuild.
11325         * configure: Likewise.
11326         * po/POTFILES.in: Likewise.
11327         * po/gold.pot: Likewise.
11328
11329 2008-04-14  Ian Lance Taylor  <iant@google.com>
11330
11331         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11332         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11333         in the name/type/flags to section mapping.  Don't call
11334         allocate_output_section.
11335         (Layout::choose_output_section): Change parameter from adjust_name
11336         to is_input_section.  Don't permit input sections after sections
11337         are attached to segments.  Don't call allocate_output_section.
11338         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11339         not write_enable_output_section.
11340         (Layout::make_output_section): Don't push to
11341         unattached_section_list_ nor call attach_to_segment.  Call
11342         attach_section_to_segment if sections are attached.
11343         (Layout::attach_sections_to_segments): New function.
11344         (Layout::attach_section_to_segment): New function.
11345         (Layout::attach_allocated_section_to_segment): Rename from
11346         attach_to_segment.  Remove flags parameter.
11347         (Layout::allocate_output_section): Remove function.
11348         (Layout::write_enable_output_section): Remove function.
11349         * layout.h (class Layout): Update for above changes.  Add new
11350         field sections_are_attached_.
11351         * output.h (Output_section::update_flags_for_input_section): New
11352         function.
11353         * output.cc (Output_section::add_input_section): Call
11354         update_flags_for_input_section.
11355         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11356
11357 2008-04-11  Cary Coutant  <ccoutant@google.com>
11358
11359         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11360         thought unnecessary.
11361         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11362
11363 2008-04-11  Ian Lance Taylor  <iant@google.com>
11364
11365         * output.h (class Output_section_data): Remove inline definition
11366         of set_addralign.
11367         * output.cc (Output_section_data::set_addralign): New function.
11368
11369 2008-04-11  Cary Coutant  <ccoutant@google.com>
11370
11371         Add support for TLS descriptors for i386 and x86_64.
11372         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11373         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11374         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11375         GOT_TYPE_TLS_DESC.
11376         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11377         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11378         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11379         relocations.
11380         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11381         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11382         Fix problem with initial-exec relocations.
11383         (Target_i386::Relocate::relocate_tls): Likewise.
11384         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11385         relaxation.
11386         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11387         support for section-plus-offset dynamic table entries.
11388         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11389         (Output_data_dynamic::Dynamic_entry): Add support for
11390         section-plus-offset dynamic table entries.
11391         (Output_data_dynamic::Classification): Likewise.
11392         (Output_data_dynamic::classification_): Renamed offset_.
11393         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11394         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11395         (Target_x86_64::make_plt_section): New function.
11396         (Target_x86_64::reserve_tlsdesc_entries): New function.
11397         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11398         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11399         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11400         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11401         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11402         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11403         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11404         add extra PLT entry for TLS descriptors.
11405         (Output_data_plt_x86_64::got_): New field.
11406         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11407         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11408         fields.
11409         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11410         descriptors.
11411         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11412         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11413         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11414         R_386_TLS_DESC_CALL relocations.
11415         (Target_x86_64::Scan::global): Likewise.
11416         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11417         for TLS descriptors.
11418         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11419         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11420         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11421         GD-to-IE relaxation.
11422         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11423         and TLS_DESCRIPTORS.
11424         * Makefile.in: Rebuild.
11425         * configure: Rebuild.
11426         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11427         (tls_test_shared2.so): New target.
11428         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11429         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11430         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11431         (tls_shared_gd_to_ie_test_LDADD): New variable.
11432         (tls_shared_gnu2_gd_to_ie_test): New target.
11433         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11434         New targets.
11435         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11436         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11437         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11438         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11439         (tls_shared_gnu2_test): New target.
11440         (tls_test_gnu2_shared.so): New target.
11441         (tls_shared_gnu2_test_SOURCES): New variable.
11442         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11443         (tls_shared_gnu2_test_LDFLAGS): New variable.
11444         (tls_shared_gnu2_test_LDADD): New variable.
11445         * testsuite/Makefile.in: Rebuild.
11446         * testsuite/Makefile.
11447
11448 2008-04-11  Ian Lance Taylor  <iant@google.com>
11449
11450         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11451         justsyms.t.
11452         * testsuite/Makefile.in: Rebuild.
11453
11454         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11455         long.
11456         * testsuite/script_test_2.cc (main): Adjust test.
11457
11458 2008-04-11  David S. Miller  <davem@davemloft.net>
11459             Ian Lance Taylor  <iant@google.com>
11460
11461         * options.h (General_options): Add entries for '-Y' and
11462         '-relax'.
11463         * options.cc (General_options:finalize): If -Y was used, add those
11464         entries to the library path instead of the default "/lib" and
11465         "/usr/lib".
11466
11467 2008-04-11  David S. Miller  <davem@davemloft.net>
11468
11469         * testsuite/justsyms.t: Start at 0x100.
11470         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11471         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11472         long.
11473         * testsuite/script_test_2.cc: Adjust string and section length
11474         checks.
11475
11476 2008-04-09  Ian Lance Taylor  <iant@google.com>
11477
11478         PR gold/5996
11479         * script-sections.cc (Sections_element::allocate_to_segment): Add
11480         orphan parameter.
11481         (Output_section_definition::allocate_to_segment): Likewise.
11482         (Orphan_output_section::allocate_to_segment): Likewise.
11483         (Script_sections::attach_sections_using_phdrs_clause): Don't
11484         propagate non-PT_LOAD segments to orphan sections.
11485         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11486         readelf rather than objdump.
11487         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11488         .interp section and PT_INTERP segment are the same size.
11489         * testsuite/Makefile.in: Rebuild.
11490
11491         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11492         aliases for symbols defined in the same object.
11493         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11494         (weak_alias_test_SOURCES): New variable.
11495         (weak_alias_test_DEPENDENCIES): New variable.
11496         (weak_alias_test_LDFLAGS): New variable.
11497         (weak_alias_test_LDADD): New variable.
11498         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11499         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11500         (weak_alias_test_3.o): New target.
11501         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11502         * testsuite/weak_alias_test_main.cc: New file.
11503         * testsuite/weak_alias_test_1.cc: New file.
11504         * testsuite/weak_alias_test_2.cc: New file.
11505         * testsuite/weak_alias_test_3.cc: New file.
11506
11507 2008-04-08  Ian Lance Taylor  <iant@google.com>
11508
11509         * options.h (class General_options): Add --noinhibit-exec option.
11510         * main.cc (main): Check --noinhibit-exec.
11511
11512         * options.h (class General_options): Define --wrap as a special
11513         option.  Add wrap_symbols_ field.
11514         (General_options::any_wrap_symbols): New function.
11515         (General_options::is_wrap_symbol): New function.
11516         * options.cc (General_options::parse_wrap): New function.
11517         (General_options::General_options): Initialize wrap_symbols_.
11518         * symtab.cc (Symbol_table::wrap_symbol): New function.
11519         (Symbol_table::add_from_object): Handle --wrap.
11520         * symtab.h (class Symbol_table): Declare wrap_symbol.
11521         * target.h (Target::wrap_char): New function.
11522         (Target::Target_info): Add wrap_char field.
11523         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11524         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11525         * testsuite/testfile.cc (Target_test::test_target_info):
11526         Likewise.
11527
11528         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11529         there is one.
11530
11531         * layout.h (class Layout): Add added_eh_frame_data_ field.
11532         * layout.cc (Layout::Layout): Initialize new field.
11533         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11534         output section until we find a section we merged successfully.
11535         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11536         that the size be non-zero.
11537
11538         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11539         qualifier.
11540
11541 2008-04-08  Craig Silverstein  <csilvers@google.com>
11542
11543         * configure.ac: Export new conditional variable HAVE_ZLIB.
11544         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11545         on HAVE_ZLIB.
11546         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11547         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11548
11549 2008-04-07  Ian Lance Taylor  <iant@google.com>
11550
11551         * version.cc (version_string): Set to "1.5".
11552
11553         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11554         Add issued_non_pic_error_ field.  Declare check_non_pic.
11555         (Target_x86_64::Scan::check_non_pic): New function.
11556         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11557         (Target_x86_64::Scan::global): Likewise.
11558
11559         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11560         addend parameter.  Change caller.  Handle merge sections.
11561         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11562         Address to Addend.  Don't add in the result of
11563         local_section_offset, pass down the addend and use the returned
11564         value.
11565         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11566         Update declarations of local_section_offset and symbol_value.
11567         * testsuite/two_file_test_1.cc (t18): New function.
11568         * testsuite/two_file_test_2.cc (f18): New function.
11569         * testsuite/two_file_test_main.cc (main): Call t18.
11570         * testsuite/two_file_test.h (t18, f18): Declare.
11571
11572         * configure.ac: Don't test for objdump, c++filt, or readelf.
11573         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11574         conditionals.
11575         (TEST_READELF): New variable.
11576         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11577         (check_PROGRAMS): Add two_file_strip_test.
11578         (two_file_strip_test): New target.
11579         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11580         (two_file_same_shared_strip_test_SOURCES): New variable.
11581         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11582         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11583         (two_file_same_shared_strip_test_LDADD): New variable.
11584         (two_file_shared_strip.so): New target.
11585         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11586         (ver_test_5.syms, ver_test_7.syms): Likewise.
11587         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11588         (strip_test_3.stdout): Use TEST_OBJDUMP.
11589         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11590
11591 2008-04-04  Cary Coutant  <ccoutant@google.com>
11592
11593         * symtab.h (Symbol::is_weak_undefined): New function.
11594         (Symbol::is_strong_undefined): New function.
11595         (Symbol::is_absolute): New function.
11596         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11597         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11598         absolute symbols.
11599         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11600         (weak_undef_test): New target.
11601         * testsuite/Makefile.in: Rebuild.
11602         * testsuite/weak_undef_file1.cc: New file.
11603         * testsuite/weak_undef_file2.cc: New file.
11604         * testsuite/weak_undef_test.cc: New file.
11605
11606 2008-04-03  Craig Silverstein  <csilvers@google.com>
11607
11608         * compressed_output.h (class Output_compressed_section): Use
11609         unsigned buffer.
11610         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11611         add zlib header.
11612         (zlib_compressed_suffix): Removed.
11613         (Output_compressed_section::set_final_data_size): Use unsigned
11614         buffers.
11615         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11616         Fix linker invocation.
11617         (flagstest_o_specialfile_and_compress_debug_sections):
11618         Likewise.
11619         * testsuite/Makefile.in: Regenerated.
11620
11621 2008-04-02  David S. Miller  <davem@davemloft.net>
11622
11623         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11624         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11625
11626 2008-04-02  Craig Silverstein  <csilvers@google.com>
11627
11628         * TODO: New file.
11629
11630 2008-04-02  Ian Lance Taylor  <iant@google.com>
11631
11632         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11633         parameters.  Update for new key type to views_.  Change all
11634         callers.
11635         (File_read::read): Adjust for byteshift in returned view.
11636         (File_read::add_view): New function, broken out of
11637         find_and_make_view.
11638         (File_read::make_view): New function, broken out of
11639         find_and_make_view.
11640         (File_read::find_or_make_view): Add offset and aligned
11641         parameters.  Rewrite accordingly.  Change all callers.
11642         (File_read::get_view): Add offset and aligned parameters.  Adjust
11643         for byteshift in return value.
11644         (File_read::get_lasting_view): Likewise.
11645         * fileread.h (class File_read): Update declarations.
11646         (class File_read::View): Add byteshift_ field.  Add byteshift to
11647         constructor.  Add byteshift method.
11648         * archive.h (Archive::clear_uncached_views): New function.
11649         (Archive::get_view): Add aligned parameter.  Change all callers.
11650         * object.h (Object::get_view): Add aligned parameter.  Change all
11651         callers.
11652         (Object::get_lasting_view): Likewise.
11653
11654         * fileread.cc (File_read::release): Don't call clear_views if
11655         there are multiple objects.
11656         * fileread.h (File_read::clear_uncached_views): New function.
11657         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11658         on the archive.
11659
11660 2008-03-31  Cary Coutant  <ccoutant@google.com>
11661
11662         Add thin archive support.
11663         * archive.cc (Archive::armagt): New const.
11664         (Archive::setup): Remove task parameter and calls to unlock.
11665         (Archive::unlock_nested_archives): New function.
11666         (Archive::read_header): Add nested_off parameter. Change
11667         all callers.
11668         (Archive::interpret_header): Likewise.
11669         (Archive::include_all_members): Change to handle thin
11670         archives.
11671         (Archive::include_member): Likewise.
11672         * archive.h (Archive::Archive): Add new parameters and
11673         initializers.
11674         (Archive::armagt): New const.
11675         (Archive::setup): Remove task parameter.
11676         (Archive::unlock_nested_archives): New function.
11677         (Archive::read_header): Add nested_off parameter.
11678         (Archive::interpret_header): Likewise.
11679         (Archive::Nested_archive_table): New typedef.
11680         (Archive::is_thin_archive_): New field.
11681         (Archive::nested_archives_): New field.
11682         (Archive::options_): New field.
11683         (Archive::dirpath_): New field.
11684         (Archive::task_): New field.
11685         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11686         for thin archives.  Pass additional parameters to
11687         Archive::Archive.  Unlock the archive file after calling
11688         Archive::setup.
11689
11690 2008-03-29  Ian Lance Taylor  <iant@google.com>
11691
11692         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11693         version symbol to be local.
11694         * testsuite/ver_test_4.sh: New file.
11695         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11696         (check_DATA): Add ver_test_4.syms.
11697         (ver_test_4.syms): New target.
11698         * testsuite/Makefile.in: Rebuild.
11699
11700         * output.cc
11701         (Output_section::Input_section_sort_entry::has_priority): New
11702         function.
11703         (Output_section::Input_section_sort_entry::match_file_name): New
11704         function.
11705         (Output_section::Input_section_sort_entry::match_section_name):
11706         Remove.
11707         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11708         Remove.
11709         (Output_section::Input_section_sort_entry::match_section_file):
11710         Remove.
11711         (Output_section::Input_section_sort_compare::operator()): Rewrite
11712         using new Input_section_sort_entry functions.  Sort crtbegin and
11713         crtend first.  Sort sections with no priority before sections with
11714         a priority.
11715         * testsuite/initpri1.c (d3): Check j != 4.
11716         (cd5): New constructor/destructor function.
11717         (main): Check j != 2.
11718
11719         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11720         new symbol when resolving, don't call set_is_default.
11721         * testsuite/ver_test_7.cc: New file.
11722         * testsuite/ver_test_7.sh: New file.
11723         * testsuite/Makefile.am (ver_test_7.so): New target.
11724         (ver_test_7.o): New target.
11725         (check_SCRIPTS): Add ver_test_7.sh.
11726         (check_DATA): Add ver_test_7.syms.
11727         (ver_test_7.syms): New target.
11728
11729 2008-03-28  Ian Lance Taylor  <iant@google.com>
11730
11731         * layout.cc (Layout::layout): If we see an input section with a
11732         name that needs sorting, set the must_sort flag for the output
11733         section.
11734         (Layout::make_output_section): If the name of the output section
11735         indicates that it might require sorting, set the may_sort flag.
11736         * output.h (Output_section::may_sort_attached_input_sections): New
11737         function.
11738         (Output_section::set_may_sort_attached_input_sections): New
11739         function.
11740         (Output_section::must_sort_attached_input_sections): New
11741         function.
11742         (Output_section::set_must_sort_attached_input_sections): New
11743         function.
11744         (class Output_section): Declare Input_section_sort_entry.  Define
11745         Input_section_sort_compare.  Declare
11746         sort_attached_input_sections.  Add new fields:
11747         may_sort_attached_input_sections_,
11748         must_sort_attached_input_sections_,
11749         attached_input_sections_are_sorted_.
11750         * output.cc (Output_section::Output_section): Initialize new
11751         fields.
11752         (Output_section::add_input_section): Add an entry to
11753         input_sections_ if may_sort or must_sort are true.
11754         (Output_section::set_final_data_size): Call
11755         sort_attached_input_sections if necessary.
11756         (Output_section::Input_section_sort_entry): Define new class.
11757         (Output_section::Input_section_sort_compare::operator()): New
11758         function.
11759         (Output_section::sort_attached_input_sections): New function.
11760         * configure.ac: Check whether the compiler supports constructor
11761         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11762         * testsuite/initpri1.c: New file.
11763         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11764         CONSTRUCTOR_PRIORITY.
11765         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11766         (initpri1_LDFLAGS): New variable.
11767         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11768
11769 2008-03-27  Ian Lance Taylor  <iant@google.com>
11770
11771         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11772         * testsuite/common_test_1.c: New file.
11773         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11774         (common_test_1_SOURCES): New variable.
11775         (common_test_1_DEPENDENCIES): New variable.
11776         (common_test_1_LDFLAGS): New variable.
11777
11778         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11779         and commons_ correctly when NAME/VERSION does not override
11780         NAME/NULL.
11781         * testsuite/ver_test_6.c: New file.
11782         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11783         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11784         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11785
11786 2008-03-26  Ian Lance Taylor  <iant@google.com>
11787
11788         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11789         of an undefined symbol from a version script.
11790         * testsuite/Makefile.am (ver_test_5.so): New target.
11791         (ver_test_5.o): New target.
11792         (check_SCRIPTS): Add ver_test_5.sh.
11793         (check_DATA): Add ver_test_5.syms.
11794         (ver_test_5.syms): New target.
11795         * testsuite/ver_test_5.cc: New file.
11796         * testsuite/ver_test_5.script: New file.
11797         * testsuite/ver_test_5.sh: New file.
11798         * Makefile.in, testsuite/Makefile.in: Rebuild.
11799
11800         PR gold/5986
11801         Fix problems building gold with gcc 4.3.0.
11802         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11803         (gold_error_at_location, gold_warning_at_location): Use it.
11804         * configure.ac: Check whether we can compile and use a template
11805         function with a printf attribute.
11806         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11807         when jumping over bytes.
11808         * object.cc: Instantiate Object::read_section_data.
11809         * debug.h: Include <cstring>
11810         * dwarf_reader.cc: Include <algorithm>
11811         * main.cc: Include <cstring>.
11812         * options.cc: Include <cstring>.
11813         * output.cc: Include <cstring>.
11814         * script.cc: Include <cstring>.
11815         * script.h: Include <string>.
11816         * symtab.cc: Include <cstring> and <algorithm>.
11817         * target-select.cc: Include <cstring>.
11818         * version.cc: Include <string>.
11819         * testsuite/testmain.cc: Include <cstdlib>.
11820         * configure, config.in: Rebuild.
11821
11822 2008-03-25  Ian Lance Taylor  <iant@google.com>
11823
11824         * options.cc: Include "../bfd/bfdver.h".
11825         (options::help): Print bug reporting address.
11826
11827         * version.cc (print_version): Adjust output for current value of
11828         BFD_VERSION_STRING.
11829
11830         * NEWS: New file.
11831
11832         * options.cc (options::help): Print list of supported targets.
11833         * target-select.h: Include <vector>.
11834         (class Target_selector): Make machine_, size_, and is_big_endian_
11835         fields const.  Add bfd_name_ and instantiated_target_ fields.
11836         (Target_selector::Target_selector): Add bfd_name parameter.
11837         (Target_selector::recognize): Make non-virtual, call
11838         do_recognize.
11839         (Target_selector::recognize_by_name): Make non-virtual, call
11840         do_recognize_by_name.
11841         (Target_selector::supported_names): New function.
11842         (Target_selector::bfd_name): New function.
11843         (Target_selector::do_instantiate_target): New pure virtual
11844         function.
11845         (Target_selector::do_recognize): New virtual function.
11846         (Target_selector::do_recognize_by_name): New virtual function.
11847         (Target_selector::instantiate_target): New private function.
11848         (supported_target_names): Declare.
11849         * target-select.cc (Target_selector::Target_selector): Update for
11850         new parameter and fields.
11851         (select_target_by_name): Check that the name matches before
11852         calling recognize_by_name.
11853         (supported_target_names): New function.
11854         * i386.cc (class Target_selector_i386): Update Target_selector
11855         constructor call.  Remove recognize and recognize_by_name.  Add
11856         do_instantiate_target.
11857         * x86_64.cc (class Target_selector_x86_64): Likewise.
11858         * testsuite/testfile.cc (class Target_selector_test): Update for
11859         changes to Target_selector.
11860
11861         * README: Rewrite, with some notes on unsupported features.
11862
11863 2008-03-24  Cary Coutant  <ccoutant@google.com>
11864
11865         * i386.cc (Target_i386::Got_type): New enum declaration.
11866         (Target_i386::Scan::local): Updated callers of Output_data_got
11867         member functions.
11868         (Target_i386::Scan::global): Likewise.
11869         (Target_i386::Relocate::relocate): Likewise.
11870         (Target_i386::Relocate::relocate_tls): Likewise.
11871         * object.h (Got_offset_list): New class.
11872         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11873         (Sized_relobj::local_got_offset): Likewise.
11874         (Sized_relobj::set_local_got_offset): Likewise.
11875         (Sized_relobj::local_has_tls_got_offset): Removed.
11876         (Sized_relobj::local_tls_got_offset): Removed.
11877         (Sized_relobj::set_local_tls_got_offset): Removed.
11878         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11879         * output.cc (Output_data_got::add_global): Added got_type parameter.
11880         (Output_data_got::add_global_with_rel): Likewise.
11881         (Output_data_got::add_global_with_rela): Likewise.
11882         (Output_data_got::add_global_pair_with_rel): New function.
11883         (Output_data_got::add_global_pair_with_rela): New function.
11884         (Output_data_got::add_local): Added got_type parameter.
11885         (Output_data_got::add_local_with_rel): Likewise.
11886         (Output_data_got::add_local_with_rela): Likewise.
11887         (Output_data_got::add_local_pair_with_rel): New function.
11888         (Output_data_got::add_local_pair_with_rela): New function.
11889         (Output_data_got::add_global_tls): Removed.
11890         (Output_data_got::add_global_tls_with_rel): Removed.
11891         (Output_data_got::add_global_tls_with_rela): Removed.
11892         (Output_data_got::add_local_tls): Removed.
11893         (Output_data_got::add_local_tls_with_rel): Removed.
11894         (Output_data_got::add_local_tls_with_rela): Removed.
11895         * output.h (Output_data_got::add_global): Added got_type parameter.
11896         (Output_data_got::add_global_with_rel): Likewise.
11897         (Output_data_got::add_global_with_rela): Likewise.
11898         (Output_data_got::add_global_pair_with_rel): New function.
11899         (Output_data_got::add_global_pair_with_rela): New function.
11900         (Output_data_got::add_local): Added got_type parameter.
11901         (Output_data_got::add_local_with_rel): Likewise.
11902         (Output_data_got::add_local_with_rela): Likewise.
11903         (Output_data_got::add_local_pair_with_rel): New function.
11904         (Output_data_got::add_local_pair_with_rela): New function.
11905         (Output_data_got::add_global_tls): Removed.
11906         (Output_data_got::add_global_tls_with_rel): Removed.
11907         (Output_data_got::add_global_tls_with_rela): Removed.
11908         (Output_data_got::add_local_tls): Removed.
11909         (Output_data_got::add_local_tls_with_rel): Removed.
11910         (Output_data_got::add_local_tls_with_rela): Removed.
11911         * resolve.cc (Symbol::override_base_with_special): Removed
11912         reference to has_got_offset_ field.
11913         * symtab.cc (Symbol::init_fields): Replaced initialization
11914         of got_offset_ with got_offsets_.  Removed initialization
11915         of has_got_offset_
11916         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11917         (Symbol::got_offset): Likewise.
11918         (Symbol::set_got_offset): Likewise.
11919         (Symbol::has_tls_got_offset): Removed.
11920         (Symbol::tls_got_offset): Removed.
11921         (Symbol::set_tls_got_offset): Removed.
11922         (Symbol::got_offset_): Removed.
11923         (Symbol::tls_mod_got_offset_): Removed.
11924         (Symbol::tls_pair_got_offset_): Removed.
11925         (Symbol::got_offsets_): New field.
11926         (Symbol::has_got_offset): Removed.
11927         (Symbol::has_tls_mod_got_offset): Removed.
11928         (Symbol::has_tls_pair_got_offset): Removed.
11929         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11930         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11931         member functions.
11932         (Target_x86_64::Scan::global): Likewise.
11933         (Target_x86_64::Relocate::relocate): Likewise.
11934         (Target_x86_64::Relocate::relocate_tls): Likewise.
11935
11936 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11937
11938         * yyscript.y: Fix spelling error in comment.
11939
11940 2008-03-24  Ian Lance Taylor  <iant@google.com>
11941
11942         * options.h (class General_options): Define build_id option.
11943         * layout.h (class Layout): Declare write_build_id, create_note,
11944         create_build_id.  Add build_id_note_ member.
11945         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11946         "libiberty.h", "md5.h", "sha1.h".
11947         (Layout::Layout): Initialize eh_frame_data_,
11948         eh_frame_hdr_section_, and build_id_note_.
11949         (Layout::finalize): Call create_build_id.
11950         (Layout::create_note): New function, broken out of
11951         Layout::create_gold_note.
11952         (Layout::create_gold_note): Call create_note.
11953         (Layout::create_build_id): New function.
11954         (Layout::write_build_id): New function.
11955         (Close_task_runner::run): Call write_build_id.
11956
11957         * x86_64.cc: Correct license to GPLv3.
11958
11959 2008-03-23  Ian Lance Taylor  <iant@google.com>
11960
11961         * options.cc: Include "demangle.h".
11962         (parse_optional_string): New function.
11963         (parse_long_option): Handle takes_optional_argument.
11964         (parse_short_option): Update dash_z initializer.  Handle
11965         takes_optional_argument.
11966         (General_options::General_options): Initialize do_demangle_.
11967         (General_options::finalize): Set do_demangle_.  Handle demangling
11968         style.
11969         * options.h (parse_optional_string): Declare.
11970         (struct One_option): Add optional_arg field.  Update constructor.
11971         Update call constructor calls.  Add takes_optional_argument
11972         function.
11973         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11974         (DEFINE_optional_string): Define.
11975         (General_options::demangle): Change from DEFINE_bool to
11976         DEFINE_optional_string.
11977         (General_options::no_demangle): New function.
11978         (General_options::do_demangle): New function.
11979         (General_options::set_do_demangle): New function.
11980         (General_options::execstack_status_): Move definition to end of
11981         class definition.
11982         (General_options::static_): Likewise.
11983         (General_options::do_demangle_): New field.
11984         * object.cc (big_endian>::get_symbol_location_info): Call
11985         Options::do_demangle, not Options::demangle.
11986         * symtab.cc (demangle): Likewise.
11987
11988 2008-03-22  Ian Lance Taylor  <iant@google.com>
11989
11990         * gold.h: Include <cstddef> and <sys/types.h>
11991         * options.h: Include <cstring>.
11992
11993 2008-03-21  Ian Lance Taylor  <iant@google.com>
11994
11995         * Added source code to GNU binutils.