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[binutils.git] / gold / ChangeLog
blob472f22d6858aeb34eb72affd630e9d31257dcbf5
1 2011-08-01  Cary Coutant  <ccoutant@google.com>
3         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
4         * gold/testsuite/Makefile.in: Regenerate.
5         * gold/testsuite/justsyms_exec.c: New source file.
6         * gold/testsuite/justsyms_lib.c: New source file.
8 2011-08-01  Cary Coutant  <ccoutant@google.com>
10         * layout.cc (Layout::set_segment_offsets): Don't realign text
11         segment if -Ttext was specified.
12         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
13         file type.
14         * object.h (Sized_relobj_file::e_type): New function.
15         (Sized_relobj_file::e_type_): New data member.
16         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
17         base address for ET_EXEC files.
18         * target.cc (Target::do_make_elf_object_implementation): Allow
19         ET_EXEC files with --just-symbols option.
21 2011-07-28  Cary Coutant  <ccoutant@google.com>
23         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
24         Add thread_number parameter.
25         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
26         * workqueue-threads.cc
27         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
28         current thread if its thread number is greater than desired thread
29         count.
30         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
31         Add thread_number parameter.
32         (Workqueue::should_cancel_thread): Likewise.
33         (Workqueue::find_runnable_or_wait): Pass thread_number to
34         should_cancel_thread.
35         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
36         parameter.
38 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
40         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
41         only after checking if it cannot be forced local.
42         * symtab.h (is_externally_visible): Check if the symbol is not forced
43         local.
45 2011-07-15  Ian Lance Taylor  <iant@google.com>
47         * options.h (class General_options): Add --print-output-format.
48         Move -EL next to -EB, for  better --help output.
49         * target-select.cc: Include <cstdio>, "options.h", and
50         "parameters.h".
51         (Target_selector::do_target_bfd_name): New function.
52         (print_output_format): New function.
53         * target-select.h (class Target_selector): Update declarations.
54         (Target_selector::target_bfd_name): New function.
55         (print_output_format): Declare.
56         * main.cc: Include "target-select.h".
57         (main): Handle --print-output-format.
58         * gold.cc: Include "target-select.h".
59         (queue_initial_tasks): Handle --print-output-format when there are
60         no input files.
61         * parameters.cc (parameters_force_valid_target): Give a better
62         error message if -EB/-EL does not match target.
63         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
64         function.
66 2011-07-15  Ian Lance Taylor  <iant@google.com>
68         * i386.cc (class Output_data_plt_i386): Add layout_ field.
69         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
70         (Output_data_plt_i386::do_write): Write address of .dynamic
71         section to first entry in .got.plt section.
72         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
73         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
74         Initialize layout_.
75         (Output_data_plt_x86_64::do_write): Write address of .dynamic
76         section to first entry in .got.plt section.
77         * layout.h (Layout::dynamic_section): New function.
79 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
81         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
82         to claim_file call.
83         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
84         input_section_position_, and input_section_glob_.
85         (read_layout_from_file): Call function section_ordering_specified.
86         * layout.h (is_section_ordering_specified): New function.
87         (section_ordering_specified): New function.
88         (section_ordering_specified_): New boolean member.
89         * main.cc(main): Call load_plugins after layout object is defined.
90         * output.cc (Output_section::add_input_section): Use
91         function section_ordering_specified to check if section ordering is
92         needed.
93         * output.cc (Output_section::add_relaxed_input_section): Use
94         function section_ordering_specified to check if section ordering is
95         needed.
96         (Output_section::update_section_layout): New function.
97         (Output_section::sort_attached_input_sections): Check if input section
98         must be reordered.
99         * output.h (Output_section::update_section_layout): New function.
100         * plugin.cc (get_section_count): New function.
101         (get_section_type): New function.
102         (get_section_name): New function.
103         (get_section_contents): New function.
104         (update_section_order): New function.
105         (allow_section_ordering): New function. 
106         (Plugin::load): Add the new interfaces to the transfer vector.
107         (Plugin_manager::load_plugins): New parameter.
108         (Plugin_manager::all_symbols_read): New parameter.
109         (Plugin_manager::claim_file): New parameter. Save the elf object for
110         unclaimed objects.
111         (Plugin_manager::get_elf_object): New function.
112         (Plugin_manager::get_view): Change to directly use the bool to check
113         if get_view is called from claim_file_hook.
114         * plugin.h (input_objects): New function
115         (Plugin__manager::load_plugins): New parameter.
116         (Plugin_manager::claim_file): New parameter.
117         (Plugin_manager::get_elf_object): New function.
118         (Plugin_manager::in_claim_file_handler): New function.
119         (Plugin_manager::in_claim_file_handler_): New member.
120         (layout): New function.
121         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
122         handler with an extra parameter. Make the elf object before calling
123         claim_file handler.
124         * testsuite/plugin_test.c (get_section_count): New function pointer.
125         (get_section_type): New function pointer.
126         (get_section_name): New function pointer.
127         (get_section_contents): New function pointer.
128         (update_section_order): New function pointer.
129         (allow_section_ordering): New function pointer.
130         (onload): Check if the new interfaces exist.
132 2011-07-13  Ian Lance Taylor  <iant@google.com>
134         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
135         relro section.
136         * x86_64.cc (Target_x86_64::got_section): Likewise.
137         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
138         (relro_now_test_SOURCES): New variable.
139         (relro_now_test_DEPENDENCIES): New variable.
140         (relro_now_test_LDFLAGS): New variable.
141         (relro_now_test_LDADD): New variable.
142         (relro_now_test.so): New target.
143         * testsuite/Makefile.in: Rebuild.
145 2011-07-12  Ian Lance Taylor  <iant@google.com>
147         PR gold/12980
148         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
149         GLOB_DAT relocation rather than a RELATIVE relocation for a
150         protected symbol when creating a shared library.
151         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
152         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
153         * testsuite/protected_main_1.cc (main): Test that protected
154         function has same address.
156 2011-07-11  Ian Lance Taylor  <iant@google.com>
158         PR gold/12979
159         * options.h (class General_options): Add -Bgroup.
160         * options.cc (General_options::finalize): If -Bgroup is set,
161         default to --unresolved-symbols=report-all.
162         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
163         * target-reloc.h (issue_undefined_symbol_error): Handle
164         --unresolved-symbols=report-all.
166 2011-07-08  Ian Lance Taylor  <iant@google.com>
168         PR gold/11985
169         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
170         if linker script discards key sections.
171         (Layout::create_dynamic_symtab): Likewise.
172         (Layout::assign_local_dynsym_offsets): Likewise.
173         (Layout::sized_create_version_sections): Likewise.
174         (Layout::create_interp): Likewise.
175         (Layout::finish_dynamic_section): Likewise.
176         (Layout::set_dynamic_symbol_size): Likewise.
178 2011-07-08  Ian Lance Taylor  <iant@google.com>
180         PR gold/12386
181         * options.h (class General_options): Add --unresolved-symbols.
182         * target-reloc.h (issue_undefined_symbol_error): Check
183         --unresolved-symbols.  Add comments.
185 2011-07-08  Ian Lance Taylor  <iant@google.com>
187         * testsuite/odr_violation2.cc (Ordering::operator()): Make
188         expression more complex.
190 2011-07-08  Ian Lance Taylor  <iant@google.com>
192         PR gold/11317
193         * target-reloc.h (issue_undefined_symbol_error): New inline
194         function, broken out of relocate_section.
195         (relocate_section): Call issue_undefined_symbol_error.
196         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
197         there is no TLS segment if we are about to issue an undefined
198         symbol error.
199         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
201 2011-07-08  Ian Lance Taylor  <iant@google.com>
203         PR gold/12279
204         * resolve.cc (Symbol_table::should_override): Add fromtype
205         parameter.  Change all callers.  Give error when linking together
206         TLS and non-TLS symbol.
207         (Symbol_table::should_override_with_special): Add fromtype
208         parameter.  Change all callers.
209         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
210         there is no TLS segment if we have reported some errors.
211         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
213 2011-07-08  Ian Lance Taylor  <iant@google.com>
215         PR gold/12372
216         * target.h (Target::plt_address_for_global): New function.
217         (Target::plt_address_for_local): New function.
218         (Target::plt_section_for_global): Remove.
219         (Target::plt_section_for_local): Remove.
220         (Target::do_plt_address_for_global): New virtual function.
221         (Target::do_plt_address_for_local): New virtual function.
222         (Target::do_plt_section_for_global): Remove.
223         (Target::do_plt_section_for_local): Remove.
224         (Target::register_global_plt_entry): Add Symbol_table and Layout
225         parameters.
226         * output.cc (Output_data_got::Got_entry::write): Use
227         plt_address_for_global and plt_address_for_local.
228         * layout.cc (Layout::add_target_dynamic_tags): Use size and
229         address of output section.
230         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
231         got_irelative_, and irelative_count_ fields.  Update
232         declarations.
233         (Output_data_plt_i386::has_irelative_section): New function.
234         (Output_data_plt_i386::entry_count): Add irelative_count_.
235         (Output_data_plt_i386::set_final_data_size): Likewise.
236         (class Target_i386): Add got_irelative_ and rel_irelative_
237         fields.  Update declarations.
238         (Target_i386::Target_i386): Initialize new fields.
239         (Target_i386::do_plt_address_for_global): New function replacing
240         do_plt_section_for_global.
241         (Target_i386::do_plt_address_for_local): New function replacing
242         do_plt_section_for_local.
243         (Target_i386::got_section): Create got_irelative_.
244         (Target_i386::rel_irelative_section): New function.
245         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
246         fields.  Don't define __rel_iplt_{start,end}.
247         (Output_data_plt_i386::add_entry): Add symtab and layout
248         parameters.  Change all callers.  Use different PLT and GOT for
249         IFUNC symbols.
250         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
251         layout parameters.  Change all callers.  Use different PLT and
252         GOT.
253         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
254         (Output_data_plt_i386::rel_irelative): New function.
255         (Output_data_plt_i386::address_for_global): New function.
256         (Output_data_plt_i386::address_for_local): New function.
257         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
258         IRELATIVE GOT when changing IFUNC GOT entries.
259         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
260         reloc.
261         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
262         if we didn't create an IRELATIVE GOT.
263         (Target_i386::Relocate::relocate): Use plt_address_for_global and
264         plt_address_for_local.
265         (Target_i386::do_dynsym_value): Use plt_address_for_global.
266         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
267         got_irelative_, and irelative_count_ fields.  Update
268         declarations.
269         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
270         Initialize new fields.  Remove symtab parameter.  Change all
271         callers.
272         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
273         irelative_count_.
274         (Output_data_plt_x86_64::has_irelative_section): New function.
275         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
276         (class Target_x86_64): Add got_irelative_ and rel_irelative_
277         fields.  Update declarations.
278         (Target_x86_64::Target_x86_64): Initialize new fields.
279         (Target_x86_64::do_plt_address_for_global): New function replacing
280         do_plt_section_for_global.
281         (Target_x86_64::do_plt_address_for_local): New function replacing
282         do_plt_section_for_local.
283         (Target_x86_64::got_section): Create got_irelative_.
284         (Target_x86_64::rela_irelative_section): New function.
285         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
286         all callers.  Don't create __rel_iplt_{start,end}.
287         (Output_data_plt_x86_64::add_entry): Add symtab and layout
288         parameters.  Change all callers.  Use different PLT and GOT for
289         IFUNC symbols.
290         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
291         layout parameters.  Change all callers.  Use different PLT and
292         GOT.
293         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
294         parameters.  Change all callers.  Use different PLT and GOT for
295         IFUNC symbols.
296         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
297         (Output_data_plt_x86_64::rela_irelative): New function.
298         (Output_data_plt_x86_64::address_for_global): New function.
299         (Output_data_plt_x86_64::address_for_local): New function.
300         (Output_data_plt_x86_64::set_final_data_size): Likewise.
301         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
302         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
303         (Target_x86_64::register_global_plt_entry): Add symtab and layout
304         parameters.
305         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
306         reloc.
307         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
308         symbols if we didn't create an IRELATIVE GOT.
309         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
310         plt_address_for_local.
311         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
312         * testsuite/ifuncvar1.c: New test file.
313         * testsuite/ifuncvar2.c: New test file.
314         * testsuite/ifuncvar3.c: New test file.
315         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
316         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
317         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
318         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
319         * testsuite/Makefile.in: Rebuild.
321 2011-07-07  Cary Coutant  <ccoutant@google.com>
323         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
324         (two_file_test_1_ndebug.o): Likewise.
325         (two_file_test_1b_ndebug.o): Likewise.
326         (two_file_test_2_ndebug.o): Likewise.
327         (two_file_test_main_ndebug.o): Likewise.
328         (incremental_test_2): Link with no-debug versions.
330 2011-07-06  Cary Coutant  <ccoutant@google.com>
332         * gold/incremental.cc
333         (Output_section_incremental_inputs::write_info_blocks): Check for
334         hidden and internal symbols.
336 2011-07-06  Cary Coutant  <ccoutant@google.com>
338         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
339         Check disposition for startup file.
340         (Incremental_inputs::report_command_line): Ignore
341         --incremental-startup-unchanged option.
342         * options.cc (General_options::parse_incremental_startup_unchanged):
343         New function.
344         (General_options::General_options): Initialize new data member.
345         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
346         (General_options): Add --incremental-startup-unchanged option.
347         (General_options::incremental_startup_disposition): New function.
348         (General_options::incremental_startup_disposition_): New data member.
350 2011-07-06  Cary Coutant  <ccoutant@google.com>
352         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
353         input file index to Script_info ctor.
354         (Sized_incremental_binary::do_file_has_changed): Find the
355         command-line argument for files named in scripts.
356         * incremental.h (Script_info::Script_info): New ctor
357         with input file index.
358         (Script_info::input_file_index): New function.
359         (Script_info::input_file_index_): New data member.
360         (Incremental_binary::get_library): Add const.
361         (Incremental_binary::get_script_info): Add const.
362         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
363         * testsuite/Makefile.am (incremental_test_5): New test case.
364         (incremental_test_6): New test case.
365         * testsuite/Makefile.in: Regenerate.
367 2011-07-06  Cary Coutant  <ccoutant@google.com>
369         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
370         debug output when command lines differ.
372 2011-07-06  Cary Coutant  <ccoutant@google.com>
374         * incremental.cc (Incremental_inputs::report_command_line): Ignore
375         --incremental-patch option.
376         * layout.cc (Free_list::allocate): Extend allocation beyond original
377         end if enabled.
378         (Layout::make_output_section): Mark sections that should get
379         patch space.
380         * options.cc (parse_percent): New function.
381         * options.h (parse_percent): New function.
382         (DEFINE_percent): New macro.
383         (General_options): Add --incremental-patch option.
384         * output.cc (Output_section::Output_section): Initialize new data
385         members.
386         (Output_section::add_input_section): Print section name when out
387         of patch space.
388         (Output_section::add_output_section_data): Likewise.
389         (Output_section::set_final_data_size): Add patch space when
390         doing --incremental-full.
391         (Output_section::do_reset_address_and_file_offset): Remove patch
392         space.
393         (Output_segment::set_section_list_addresses): Print debug output
394         only if --incremental-update.
395         * output.h (Output_section::set_is_patch_space_allowed): New function.
396         (Output_section::is_patch_space_allowed_): New data member.
397         (Output_section::patch_space_): New data member.
398         * parameters.cc (Parameters::incremental_full): New function.
399         * parameters.h (Parameters::incremental_full): New function
400         * testsuite/Makefile.am (incremental_test_2): Add test for
401         --incremental-patch option.
402         * testsuite/Makefile.in: Regenerate.
403         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
404         (t18): Remove function body.
406 2011-07-05  Doug Kwan  <dougkwan@google.com>
408         PR gold/12771
409         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
410         Arm_Address type for relocation result.
411         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
412         overflow check.
413         (Arm_relocate_functions::abs32): Use unaligned access.
414         (Arm_relocate_functions::rel32): Ditto.
415         (Arm_relocate_functions::prel31): Ditto.
416         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
417         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
418         static data relocations.
419         * testsuite/Makefile.in: Regnerate.
420         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
422 2011-07-05  Ian Lance Taylor  <iant@google.com>
424         PR gold/12392
425         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
426         symbols if necessary.
427         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
429 2011-07-05  Ian Lance Taylor  <iant@google.com>
431         PR gold/12952
432         * resolve.cc (Symbol::override_base_with_special): Simply override
433         version with special symbol version, ignoring previous version.
435 2011-07-05  Ian Lance Taylor  <iant@google.com>
437         * object.cc (Sized_relobj_file::include_section_group): Add
438         information to comment about signature location.
440 2011-07-02  Ian Lance Taylor  <iant@google.com>
442         PR gold/12957
443         * options.h (class General_options): Add -f and -F.
444         * options.cc (General_options::finalize): Fatal error if -f/-F
445         are used without -shared.
446         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
448 2011-07-02  Ian Lance Taylor  <iant@google.com>
450         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
452 2011-07-01  Ian Lance Taylor  <iant@google.com>
454         PR gold/12525
455         PR gold/12952
456         * resolve.cc (Symbol::override_base_with_special): Don't override
457         the version if the overriding symbol has a different name.
458         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
459         all callers.  If we give an error about an undefined version,
460         define the base version if necessary.
461         * dynobj.h (class Versions): Update declaration.
462         * testsuite/weak_alias_test_5.cc: New file.
463         * testsuite/weak_alias_test.script: New file.
464         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
465         and versioned_alias have the right value, and call t2.
466         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
467         weak_alias_test_5.so.
468         (weak_alias_test_LDADD): Likewise.
469         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
470         * testsuite/Makefile.in: Rebuild.
472 2011-07-01  Ian Lance Taylor  <iant@google.com>
474         PR gold/12525
475         * options.h (class General_options): Support -z notext.
476         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
477         -Wl,-z,notext.
478         (two_file_shared_nonpic.so): Likewise.
479         (two_file_shared_mixed.so): Likewise.
480         (two_file_shared_mixed_1.so): Likewise.
481         (weak_undef_lib_nonpic.so): Likewise.
482         (alt/weak_undef_lib_nonpic.so): Likewise.
483         (tls_test_shared_nonpic.so): Likewise.
484         * testsuite/Makefile.in: Rebuild.
486 2011-07-01  Ian Lance Taylor  <iant@google.com>
488         PR gold/12525
489         * configure.ac: Test whether static linking works, setting
490         the automake conditional HAVE_STATIC.
491         * testsuite/Makefile.am: Disable tests using -static if
492         HAVE_STATIC is not true.
493         * configure, testsuite/Makefile.in: Rebuild.
495 2011-07-01  Ian Lance Taylor  <iant@google.com>
497         PR gold/12525
498         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
499         Assert if we see DW_EH_PE_indirect.
500         * target.h (Target::ehframe_datarel_base): New function.
501         (Target::do_ehframe_datarel_base): New target function.
502         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
503         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
504         function.
506 2011-07-01  Ian Lance Taylor  <iant@google.com>
508         PR gold/12571
509         * options.h (class General_options): Add
510         --ld-generated-unwind-info.
511         * ehframe.cc (Fde::write): Add address parameter.  Change all
512         callers.  If associated with PLT, fill in address and size.
513         (Cie::set_output_offset): Only add merge mapping if there is an
514         object.
515         (Cie::write): Add address parameter.  Change all callers.
516         (Eh_frame::add_ehframe_for_plt): New function.
517         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
518         input_offset_ fields into union u_, with new plt field.
519         (Fde::Fde): Adjust for new union field.
520         (Fde::Fde) [Output_data version]: New constructor.
521         (Fde::add_mapping): Only add merge mapping if there is an object.
522         (class Cie): Update declarations.
523         (class Eh_frame): Declare add_ehframe_for_plt.
524         * layout.cc (Layout::layout_eh_frame): Break out code into
525         make_eh_frame_section, and call it.
526         (Layout::make_eh_frame_section): New function.
527         (Layout::add_eh_frame_for_plt): New function.
528         * layout.h (class Layout): Update declarations.
529         * merge.cc (Merge_map::add_mapping): Add assertion.
530         * i386.cc: Include "dwarf.h".
531         (class Output_data_plt_i386): Make first_plt_entry,
532         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
533         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
534         and plt_eh_frame_fde.
535         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
536         boundary.  Call add_eh_frame_for_plt if appropriate.
537         * x86_64.cc: Include "dwarf.h".
538         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
539         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
540         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
541         and plt_eh_frame_fde.
542         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
543         appropriate.
545 2011-06-29  Ian Lance Taylor  <iant@google.com>
547         PR gold/12629
548         * object.cc (Sized_relobj_file::layout_section): Change shdr
549         parameter to be const.
550         (Sized_relobj_file::layout_eh_frame_section): New function, broken
551         out of do_layout.
552         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
553         appropriate.  Call layout_eh_frame_section.
554         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
555         sections.
556         * object.h (class Sized_relobj_file): Update declarations.
558 2011-06-29  Ian Lance Taylor  <iant@google.com>
560         PR gold/12652
561         * script.cc (Token::integer_value): Accept trailing M/m/K/k
562         modifier.
563         (Lex::gather_token): Accept trailing M/m/K/k for integers.
565 2011-06-29  Ian Lance Taylor  <iant@google.com>
567         PR gold/12675
568         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
569         SHT_X86_64_UNWIND.
570         * layout.cc (Layout::layout_eh_frame): Likewise.
572 2011-06-29  Ian Lance Taylor  <iant@google.com>
574         PR gold/12695
575         * layout.cc (Layout::symtab_section_shndx): New function.
576         * layout.h (class Layout): Declare symtab_section_shndx.
577         * output.cc (Output_section::write_header): Call it.
579 2011-06-29  Ian Lance Taylor  <iant@google.com>
581         PR gold/12818
582         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
583         symbols which are not used in a relocation.
585 2011-06-28  Ian Lance Taylor  <iant@google.com>
587         PR gold/12898
588         * layout.cc (Layout::segment_precedes): Don't crash if a linker
589         script create indistinguishable segments.
590         (Layout::set_segment_offsets): Use stable_sort when sorting
591         segments.  Pass this to Compare_segments constructor.
592         * layout.h (class Layout): Make segment_precedes non-static.
593         (class Compare_segments): Change from struct to class.  Add
594         layout_ field.  Add constructor.
595         * script-sections.cc
596         (Script_sections::attach_sections_using_phdrs_clause): Rename
597         local orphan to is_orphan.  Don't report failure to put empty
598         section in segment.  On attachment failure, report name of
599         section, and attach to first PT_LOAD segment.
601 2011-06-28  Ian Lance Taylor  <iant@google.com>
603         PR gold/12934
604         * target-select.cc (Target_selector::Target_selector): Add
605         emulation parameter.  Change all callers.
606         (select_target_by_bfd_name): Rename from select_target_by_name.
607         Change all callers.
608         (select_target_by_emulation): New function.
609         (supported_emulation_names): New function.
610         * target-select.h (class Target_selector): Add emulation_ field.
611         Update declarations.
612         (Target_selector::recognize_by_bfd_name): Rename from
613         recognize_by_name.  Change all callers.
614         (Target_selector::supported_bfd_names): Rename from
615         supported_names.  Change all callers.
616         (Target_selector::recognize_by_emulation): New function.
617         (Target_selector::supported_emulations): New function.
618         (Target_selector::emulation): New function.
619         (Target_selector::do_recognize_by_bfd_name): Rename from
620         do_recognize_by_name.  Change all callers.
621         (Target_selector::do_supported_bfd_names): Rename from
622         do_supported_names.  Change all callers.
623         (Target_selector::do_recognize_by_emulation): New function.
624         (Target_selector::do_supported_emulations): New function.
625         (select_target_by_bfd_name): Change name in declaration.
626         (select_target_by_emulation): Declare.
627         (supported_emulation_names): Declare.
628         * parameters.cc (parameters_force_valid_target): Try to find
629         target based on emulation from -m option.
630         * options.h (class General_options): Change doc string for -m.
631         * options.cc (help): Print emulations.
632         (General_options::parse_V): Likewise.
633         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
634         Add emulation parameter.  Change all callers.
636 2011-06-28  Ian Lance Taylor  <iant@google.com>
638         * target.h (class Target): Add osabi_ field.
639         (Target::osabi): New function.
640         (Target::set_osabi): New function.
641         (Target::Target): Initialize osabi_.
642         (Target::do_adjust_elf_header): Make pure virtual.
643         (Sized_target::do_adjust_elf_header): Declare.
644         * target.cc (Sized_target::do_adjust_elf_header): New function.
645         (class Sized_target): Instantiate all versions.
646         * freebsd.h (class Target_freebsd): Remove.
647         (Target_selector_freebsd::do_recognize): Call set_osabi on
648         Target.
649         (Target_selector_freebsd::do_recognize_by_name): Likewise.
650         (Target_selector_freebsd::set_osabi): Remove.
651         * i386.cc (class Target_i386): Inherit from Sized_target rather
652         than Target_freebsd.
653         * x86_64.cc (class Target_x86_64): Likewise.
655 2011-06-28  Ian Lance Taylor  <iant@google.com>
657         * target.h (Target::can_check_for_function_pointers): Rewrite.
658         Make non-virtual.
659         (Target::can_icf_inline_merge_sections): Likewise.
660         (Target::section_may_have_icf_unsafe_poineters): Likewise.
661         (Target::Target_info): Add can_icf_inline_merge_sections field.
662         (Target::do_can_check_for_function_pointers): New virtual
663         function.
664         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
665         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
666         from can_check_for_function_pointers, move in file.
667         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
668         section_may_have_icf_unsafe_poineters, move in file.
669         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
670         * i386.cc (Target_i386::do_can_check_for_function_pointers):
671         Rename from can_check_for_function_pointers, move in file.
672         (Target_i386::can_icf_inline_merge_sections): Remove.
673         (Target_i386::i386_info): Initialize
674         can_icf_inline_merge_sections.
675         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
676         Initialize can_icf_inline_merge_sections.
677         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
678         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
679         Rename from can_check_for_function_pointers, move in file.
680         (Target_x86_64::can_icf_inline_merge_sections): Remove.
681         (Target_x86_64::x86_64_info): Initialize
682         can_icf_inline_merge_sections.
683         * testsuite/testfile.cc (Target_test::test_target_info):
684         Likewise.
685         * icf.cc (get_section_contents): Correct formatting.
687 2011-06-27  Ian Lance Taylor  <iant@google.com>
689         * symtab.cc (Symbol::versioned_name): New function.
690         (Symbol_table::add_to_final_symtab): Use versioned_name when
691         appropriate.
692         (Symbol_table::sized_write_symbol): Likewise.
693         * symtab.h (class Symbol): Declare versioned_name.
694         * stringpool.h (class Stringpool_template): Add variant of add
695         which takes a std::basic_string.
696         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
697         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
698         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
699         (ver_test_12.o): New target.
700         * testsuite/Makefile.in: Rebuild.
702 2011-06-27  Doug Kwan  <dougkwan@google.com>
704         * arm.cc (Arm_relocate_functions::thm_jump8,
705         Arm_relocate_functions::thm_jump11): Use a wider signed
706         type to compute offset.
707         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
708         arm_thm_jump8.
709         * testsuite/Makefile.in: Regenerate.
710         * testsuite/arm_branch_in_range.sh: Check test results of
711         arm_thm_jump11 and arm_thm_jump8.
712         * testsuite/arm_thm_jump11.s: New test source file.
713         * testsuite/arm_thm_jump11.t: New linker script.
714         * testsuite/arm_thm_jump8.s: New test source file.
715         * testsuite/arm_thm_jump8.t: New linker script.
717 2011-06-24  Ian Lance Taylor  <iant@google.com>
719         * layout.cc: Include "object.h".
720         (ctors_sections_in_init_array): New static variable.
721         (Layout::is_ctors_in_init_array): New function.
722         (Layout::layout): Add entry to ctors_sections_in_init_array if
723         appropriate.
724         * layout.h (class Layout): Declare is_ctors_in_init_array.
725         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
726         is_ctors_reverse_view is set.
727         (Sized_relobj_file::write_sections): Add layout parameter.  Change
728         all callers.  Set is_ctors_reverse_view field of View_size.
729         (Sized_relobj_file::reverse_words): New function.
730         * object.h (Sized_relobj_file::View_size): Add
731         is_ctors_reverse_view field.
732         (class Sized_relobj_file): Update declarations.
733         * testsuite/initpri3.c: New test.
734         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
735         initpri3b.
736         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
737         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
738         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
739         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
740         * testsuite/Makefile.in: Rebuild.
742 2011-06-24  Cary Coutant  <ccoutant@google.com>
744         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
745         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
746         (debug_msg_cdebug.err): New targets.
747         * testsuite/Makefile.in: Regenerate.
748         * testsuite/debug_msg.sh: Check output of link with compressed debug.
749         Fix checks for link with shared library.
751 2011-06-24  Doug Kwan  <dougkwan@google.com>
753         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
754         skip empty text sections.
755         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
757 2011-06-22  Ian Lance Taylor  <iant@google.com>
759         PR gold/12910
760         * options.h (class General_options): Add --ctors-in-init-array.
761         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
762         friends as SHT_PROGBITS for merging sections.
763         (Layout::layout): Remove special handling of .init_array and
764         friends.  Don't sort if doing relocatable link.  Sort for .ctors
765         and .dtors if ctors_in_init_array.
766         (Layout::make_output_section): Force correct section types for
767         .init_array and friends.  Don't sort if doing relocatable link,
768         Don't sort .ctors and .dtors if ctors_in_init_array.
769         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
770         (Layout::output_section_name): Add relobj parameter.  Change all
771         callers.  Handle .ctors. and .dtors. in code rather than table.
772         Handle .ctors and .dtors if ctors_in_init_array.
773         (Layout::match_file_name): New function, moved from output.cc.
774         * layout.h (class Layout): Update declarations.
775         * output.cc: Include "layout.h".
776         (Input_section_sort_entry::get_priority): New function.
777         (Input_section_sort_entry::match_file_name): Just call
778         Layout::match_file_name.
779         (Output_section::Input_section_sort_init_fini_compare::operator()):
780         Handle .ctors and .dtors.  Sort by explicit priority rather than
781         by name.
782         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
783         * testsuite/initpri2.c: New test.
784         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
785         (check_PROGRAMS): Add initpri2.
786         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
787         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
788         * configure, testsuite/Makefile.in: Rebuild.
790 2011-06-19  Ian Lance Taylor  <iant@google.com>
792         PR gold/12880
793         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
794         .interp section to a PT_INTERP segment even if we have seen a
795         --dynamic-linker option.  Don't do it if we have seen a PHDRS
796         clause in a linker script.
797         (Layout::finalize): Don't create a .interp section if we've
798         already create a PT_INTERP segment.
799         (Layout::create_interp): Always call choose_output_section (revert
800         patch of 2011-06-17).  Don't create PT_INTERP segment.
801         * script-sections.cc
802         (Script_sections::create_note_and_tls_segments): Add a .interp
803         section to a PT_INTERP segment even if we have seen a
804         --dynamic-linker option.
806 2011-06-18  Ian Lance Taylor  <iant@google.com>
808         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
809         merely because a non-PT_LOAD segment has a dynamic reloc.
811 2011-06-18  Ian Lance Taylor  <iant@google.com>
813         * layout.cc (Layout::finish_dynamic_section): Don't create
814         DT_FLAGS entry if not needed.
816 2011-06-18  Ian Lance Taylor  <iant@google.com>
818         PR gold/12745
819         * layout.cc (Layout::layout_eh_frame): Correct handling of
820         writable .eh_frame section.
822 2011-06-17  Ian Lance Taylor  <iant@google.com>
824         PR gold/12893
825         * resolve.cc (Symbol_table::resolve): Don't give an error if a
826         symbol is redefined with the exact same object and value.
828 2011-06-17  Ian Lance Taylor  <iant@google.com>
830         PR gold/12880
831         * layout.h (class Layout): Add interp_segment_ field.
832         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
833         (Layout::attach_allocated_section_to_segment): If making shared
834         library, put .interp section in PT_INTERP segment.
835         (Layout::finalize): Also call create_interp if -dynamic-linker
836         option was used.
837         (Layout::create_interp): Assert that there is no PT_INTERP
838         segment.  If not using a SECTIONS clause, use make_output_section.
839         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
840         * script-sections.cc
841         (Script_sections::create_note_and_tls_segments): If making shared
842         library, put .interp section in PT_INTERP segment.
844 2011-06-17  Ian Lance Taylor  <iant@google.com>
846         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
847         when making a shared library.
849 2011-06-17  Ian Lance Taylor  <iant@google.com>
851         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
852         parameter.  Change all callers.  Don't issue warning about PC32
853         against locally defined symbol.
855 2011-06-16  Ian Lance Taylor  <iant@google.com>
857         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
858         occurs in same object.
860 2011-06-14  Alan Modra  <amodra@gmail.com>
862         * po/POTFILES.in: Regenerate.
864 2011-06-09  Ian Lance Taylor  <iant@google.com>
866         * script-sections.cc
867         (Orphan_output_section::set_section_addresses): For a relocatable
868         link set address to 0.
870 2011-06-09  Cary Coutant  <ccoutant@google.com>
872         PR gold/12804
873         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
874         used with --compress-debug-sections.
875         * gold/object.cc (Sized_relobj_file::do_layout): Report
876         uncompressed size of compressed input sections.
878 2011-06-08  Cary Coutant  <ccoutant@google.com>
880         PR gold/12804
881         * testsuite/two_file_test_2_v1.cc: Change initialization of
882         v2 to keep it in .data.
884 2011-06-07  Cary Coutant  <ccoutant@google.com>
886         * common.cc (Symbol_table::do_allocate_commons_list): Call
887         gold_fallback.
888         * errors.cc (Errors::fatal): Adjust call to gold_exit.
889         (Errors::fallback): New function.
890         (gold_fallback): New function.
891         * errors.h (Errors::fallback): New function.
892         * gold.cc (gold_exit): Change status parameter to enum; adjust
893         all callers.
894         (queue_initial_tasks): Call gold_fallback.
895         * gold.h: Include cstdlib.
896         (Exit_status): New enum type.
897         (gold_exit): Change status parameter to enum.
898         (gold_fallback): New function.
899         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
900         (Layout::create_symtab_sections): Likewise.
901         (Layout::create_shdrs): Likewise.
902         * main.cc (main): Adjust call to gold_exit.
903         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
904         (Output_data_got::add_got_entry_pair): Likewise.
905         (Output_section::add_input_section): Likewise.
906         (Output_section::add_output_section_data): Likewise.
907         (Output_segment::set_section_list_addresses): Likewise.
908         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
910 2011-06-07  Cary Coutant  <ccoutant@google.com>
912         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
913         for incremental links.
914         * output.cc (Output_segment::set_section_list_addresses): Remove
915         FIXME and test for TLS or BSS.
917 2011-06-07  Cary Coutant  <ccoutant@google.com>
919         * testsuite/Makefile.am: Add incremental_copy_test,
920         incremental_common_test_1.
921         * testsuite/Makefile.in: Regenerate.
922         * testsuite/common_test_1_v1.c: New source file.
923         * testsuite/common_test_1_v2.c: New source file.
924         * testsuite/copy_test_v1.cc: New source file.
926 2011-06-07  Cary Coutant  <ccoutant@google.com>
928         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
929         update, allocate common from bss section's free list.
930         * incremental-dump.cc (dump_incremental_inputs): Print flag for
931         linker-defined symbols.
932         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
933         Skip GOT and PLT entries that are no longer referenced.
934         (Output_section_incremental_inputs::write_info_blocks): Mark
935         linker-defined symbols.
936         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
937         * output.cc (Output_section::allocate): New function.
938         * output.h (Output_section::allocate): New function.
939         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
940         linker-defined symbols.
941         (Symbol::override_base_with_special): Copy is_predefined_ flag.
942         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
943         (Symbol::init_base_output_data): Likewise.
944         (Symbol::init_base_output_segment): Likewise.
945         (Symbol::init_base_constant): Likewise.
946         (Sized_symbol::init_output_data): Likewise.
947         (Sized_symbol::init_output_segment): Likewise.
948         (Sized_symbol::init_constant): Likewise.
949         (Symbol_table::do_define_in_output_data): Likewise.
950         (Symbol_table::do_define_in_output_segment): Likewise.
951         (Symbol_table::do_define_as_constant): Likewise.
952         * symtab.h (Symbol::is_predefined): New function.
953         (Symbol::init_base_output_data): Add is_predefined parameter.
954         (Symbol::init_base_output_segment): Likewise.
955         (Symbol::init_base_constant): Likewise.
956         (Symbol::is_predefined_): New data member.
957         (Sized_symbol::init_output_data): Add is_predefined parameter.
958         (Sized_symbol::init_output_segment): Likewise.
959         (Sized_symbol::init_constant): Likewise.
960         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
962 2011-06-07  Cary Coutant  <ccoutant@google.com>
964         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
965         instead of emit_copy_reloc.
966         (Copy_relocs::emit_copy_reloc): Refactor.
967         (Copy_relocs::make_copy_reloc): New function.
968         (Copy_relocs::add_copy_reloc): Remove.
969         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
970         section.
971         (Copy_relocs::make_copy_reloc): New function.
972         (Copy_relocs::add_copy_reloc): Remove.
973         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
974         unchanged input files.
975         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
976         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
977         Reserve BSS space for COPY relocations.
978         (Sized_incremental_binary::do_emit_copy_relocs): New function.
979         (Output_section_incremental_inputs::write_info_blocks): Record
980         whether a symbol is copied from a shared object.
981         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
982         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
983         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
984         (Incremental_input_entry_reader::get_output_symbol_index): Add
985         is_copy parameter.
986         (Incremental_binary::emit_copy_relocs): New function.
987         (Incremental_binary::do_emit_copy_relocs): New function.
988         (Sized_incremental_binary::Sized_incremental_binary): Initialize
989         new data member.
990         (Sized_incremental_binary::add_copy_reloc): New function.
991         (Sized_incremental_binary::do_emit_copy_relocs): New function.
992         (Sized_incremental_binary::Copy_reloc): New struct.
993         (Sized_incremental_binary::Copy_relocs): New typedef.
994         (Sized_incremental_binary::copy_relocs_): New data member.
995         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
996         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
997         * target.h (Sized_target::emit_copy_reloc): New function.
998         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1000 2011-06-02  Cary Coutant  <ccoutant@google.com>
1002         PR gold/12163
1003         * gold/archive.cc (Archive::Archive): Initialize new data member.
1004         (Archive::include_all_members): Return if archive has already been
1005         included.
1006         * gold/archive.h (Archive::include_all_members_): New data member.
1008 2011-06-02  Nick Clifton  <nickc@redhat.com>
1010         * dynobj.h: Fix spelling mistake in comment.
1011         * output.cc: Likewise.
1013 2011-05-31  Doug Kwan  <dougkwan@google.com>
1014             Asier Llano
1016         PR gold/12826
1017         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1018         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1019         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1020         redundant arm_exidx_test.so.
1021         * testsuite/Makefile.in: Regenerate.
1022         (check_SCRIPTS): Add pr12826.sh
1023         (check_DATA): Add pr12826.stdout
1024         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1025         * testsuite/pr12826.sh: New file.
1026         * testsuite/pr12826_1.s: Ditto.
1027         * testsuite/pr12826_1.s: Ditto.
1029 2011-05-30  Ian Lance Taylor  <iant@google.com>
1031         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1032         sections.
1034 2011-05-29  Ian Lance Taylor  <iant@google.com>
1036         PR gold/12804
1037         * testsuite/Makefile.am: Use different file name for two_file_test
1038         temporary file for each incremental test.
1039         * testsuite/Makefile.in: Rebuild.
1041 2011-05-29  Ian Lance Taylor  <iant@google.com>
1043         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1044         binary input file is empty.
1046 2011-05-27  Ian Lance Taylor  <iant@google.com>
1048         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1049         (ver_test_9.so): Likewise.
1050         * testsuite/Makefile.in: Rebuild.
1052 2011-05-26 Cary Coutant  <ccoutant@google.com>
1054         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1055         * incremental.cc (Incremental_inputs::report_input_section): Fix
1056         comment, indentation.
1057         (Incremental_inputs::report_comdat_group): New function.
1058         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1059         of data for incremental input file entry.
1060         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1061         group count, COMDAT group signatures.
1062         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1063         an unchanged input file.
1064         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1065         Initialize new data member.
1066         (Incremental_object_entry::add_comdat_group): New function.
1067         (Incremental_object_entry::get_comdat_group_count): New function.
1068         (Incremental_object_entry::get_comdat_signature_key): New function.
1069         (Incremental_object_entry::groups_): New data member.
1070         (Incremental_inputs::report_comdat_group): New function.
1071         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1072         data for incremental input file entry.
1073         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1074         (Incremental_input_entry_reader::get_input_section): Adjust size of
1075         data for incremental input file entry.
1076         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1077         (Incremental_input_entry_reader::get_comdat_group_signature): New
1078         function.
1079         * object.cc (Sized_relobj::include_section_group): Report kept
1080         COMDAT groups for incremental links.
1082 2011-05-24  David Meyer  <pdox@google.com>
1084         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1085         with name parameter.  Add found_name parameter.
1086         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1087         * dirsearch.h (class Dirsearch): Update declaration.
1089 2011-05-24  Ian Lance Taylor  <iant@google.com>
1091         * archive.cc (Library_base::should_include_member): Pull in object
1092         from archive if it defines the entry symbol.
1093         * parameters.cc (Parameters::entry): New function.
1094         * parameters.h (class Parameters): Declare entry.
1095         * output.h (class Output_file_header): Remove entry_ field.
1096         * output.cc (Output_file_header::Output_file_header): Remove entry
1097         parameter.  Change all callers.
1098         (Output_file_header::entry): Use parameters->entry.
1099         * gold.cc (queue_middle_tasks): Likewise.
1100         * plugin.cc (Plugin_hook::run): Likewise.
1102 2011-05-24 Cary Coutant  <ccoutant@google.com>
1104         * gold.cc (queue_initial_tasks): Pass incremental base filename
1105         to Output_file::open_base_file; don't print error message.
1106         * incremental-dump.cc (main): Adjust call to
1107         Output_file::open_for_modification.
1108         * incremental-dump.cc (main): Likewise.
1109         * incremental.cc (Incremental_inputs::report_command_line):
1110         Ignore --incremental-base option when comparing command lines.
1111         Ignore parameter when given as separate argument.
1112         * options.h (class General_options): Add --incremental-base.
1113         * output.cc (Output_file::Output_file):
1114         (Output_file::open_base_file): Add base_name and writable parameters;
1115         read base file into new file; print error message here.
1116         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1117         callers.
1118         * output.h (Output_file::open_for_modification): Rename to...
1119         (Output_file::open_base_file): ...this; add base_name and
1120         writable parameters; adjust all callers.
1121         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1122         callers.
1123         * testsuite/Makefile.am (incremental_test_4): Test
1124         --incremental-base.
1125         * testsuite/Makefile.in: Regenerate.
1127 2011-05-24 Cary Coutant  <ccoutant@google.com>
1129         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1130         incremental_test_4.
1131         * testsuite/Makefile.in: Regenerate.
1132         * testsuite/two_file_test_1_v1.cc: New test source file.
1133         * testsuite/two_file_test_1b_v1.cc: New test source file.
1134         * testsuite/two_file_test_2_v1.cc: New test source file.
1136 2011-05-24 Cary Coutant  <ccoutant@google.com>
1138         * dynobj.h (Dynobj::do_dynobj): New function.
1139         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1140         flag and soname for shared objects.
1141         * incremental.cc (Incremental_inputs::report_object): Make
1142         either Incremental_object_entry or Incremental_dynobj_entry; add
1143         soname to string table.
1144         (Incremental_inputs::report_input_section): Add assertion.
1145         (Output_section_incremental_inputs::set_final_data_size): Adjust
1146         type of input file entry for shared libraries; adjust size of
1147         shared library info entry.
1148         (Output_section_incremental_inputs::write_input_files): Write
1149         as_needed flag for shared libraries.
1150         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1151         of input file entry for shared libraries; write soname.
1152         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1153         soname from incremental info.
1154         * incremental.h (enum Incremental_input_flags): Add
1155         INCREMENTAL_INPUT_AS_NEEDED.
1156         (Incremental_input_entry::Incremental_input_entry): Initialize new
1157         data member.
1158         (Incremental_input_entry::set_as_needed): New function.
1159         (Incremental_input_entry::as_needed): New function.
1160         (Incremental_input_entry::do_dynobj_entry): New function.
1161         (Incremental_input_entry::as_needed_): New data member.
1162         (Incremental_object_entry::Incremental_object_entry): Don't check
1163         for shared library.
1164         (Incremental_object_entry::do_type): Likewise.
1165         (class Incremental_dynobj_entry): New class.
1166         (Incremental_input_entry_reader::as_needed): New function.
1167         (Incremental_input_entry_reader::get_soname): New function.
1168         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1169         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1170         size of shared library info entry.
1171         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1172         incremental link when adding DT_NEEDED entries.
1173         * object.h (Object::Object): Initialize new data member.
1174         (Object::dynobj): New function.
1175         (Object::set_as_needed): New function.
1176         (Object::as_needed): New function.
1177         (Object::do_dynobj): New function.
1178         (Object::as_needed_): New data member.
1180 2011-05-24 Cary Coutant  <ccoutant@google.com>
1182         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1183         info; adjust display of GOT entries.
1184         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1185         vector of input objects; remove file_status_.
1186         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1187         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1188         got_plt reader; call target hooks to reserve GOT entries.
1189         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1190         of input file info header and GOT info entry.
1191         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1192         relocation info.
1193         (Got_plt_view_info::got_descriptor): Remove.
1194         (Got_plt_view_info::sym_index): New data member.
1195         (Got_plt_view_info::input_index): New data member.
1196         (Local_got_offset_visitor::visit): Write input file index.
1197         (Global_got_offset_visitor::visit): Write 0 for input file index.
1198         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1199         with sym_index and input_index.
1200         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1201         incremental info GOT entry; replace got_descriptor with input_index.
1202         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1203         map from input file index to object.
1204         (Sized_relobj_incr::do_layout): Replace direct data member reference
1205         with accessor function.
1206         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1207         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1208         Adjust size of input file info header.
1209         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1210         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1211         (Incremental_input_entry_reader::get_input_section): Adjust size of
1212         input file info header.
1213         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1214         of incremental info GOT entry.
1215         (Incremental_got_plt_reader::get_got_desc): Remove.
1216         (Incremental_got_plt_reader::get_got_symndx): New function.
1217         (Incremental_got_plt_reader::get_got_input_index): New function.
1218         (Sized_incremental_binary::Sized_incremental_binary): Remove
1219         file_status_; add input_objects_.
1220         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1221         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1222         (Sized_incremental_binary::file_is_unchanged): Remove.
1223         (Sized_incremental_binary::set_input_object): New function.
1224         (Sized_incremental_binary::input_object): New function.
1225         (Sized_incremental_binary::file_status_): Remove.
1226         (Sized_incremental_binary::input_objects_): New data member.
1227         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1228         references.
1229         (Sized_relobj_incr::invalid_address): Move to base class.
1230         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1231         class.
1232         (Sized_relobj_incr::do_output_section_offset): Likewise.
1233         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1234         (Sized_relobj_incr::section_offsets_): Likewise.
1235         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1236         function.
1237         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1238         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1239         with accessor function.
1240         (Sized_relobj_file::do_layout): Likewise.
1241         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1242         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1243         (Sized_relobj_file::compute_final_local_value): Replace refs to
1244         section_offsets_ with accessor function.
1245         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1246         * object.h (Relobj::Relobj): Initialize new data members.
1247         (Relobj::add_dyn_reloc): New function.
1248         (Relobj::first_dyn_reloc): New function.
1249         (Relobj::dyn_reloc_count): New function.
1250         (Relobj::first_dyn_reloc_): New data member.
1251         (Relobj::dyn_reloc_count_): New data member.
1252         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1253         references.
1254         (Sized_relobj::Address): New typedef.
1255         (Sized_relobj::invalid_address): Move here from child class.
1256         (Sized_relobj::Sized_relobj): Initialize new data members.
1257         (Sized_relobj::sized_relobj): New function.
1258         (Sized_relobj::is_output_section_offset_invalid): Move here from
1259         child class.
1260         (Sized_relobj::get_output_section_offset): Likewise.
1261         (Sized_relobj::local_has_got_offset): Likewise.
1262         (Sized_relobj::local_got_offset): Likewise.
1263         (Sized_relobj::set_local_got_offset): Likewise.
1264         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1265         (Sized_relobj::clear_got_offsets): New function.
1266         (Sized_relobj::section_offsets): Move here from child class.
1267         (Sized_relobj::do_output_section_offset): Likewise.
1268         (Sized_relobj::do_set_section_offset): Likewise.
1269         (Sized_relobj::Local_got_offsets): Likewise.
1270         (Sized_relobj::local_got_offsets_): Likewise.
1271         (Sized_relobj::section_offsets_): Likewise.
1272         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1273         references.
1274         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1275         class.
1276         (Sized_relobj_file::sized_relobj): New function
1277         (Sized_relobj_file::local_has_got_offset): Move to base class.
1278         (Sized_relobj_file::local_got_offset): Likewise.
1279         (Sized_relobj_file::set_local_got_offset): Likewise.
1280         (Sized_relobj_file::get_output_section_offset): Likewise.
1281         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1282         (Sized_relobj_file::do_output_section_offset): Likewise.
1283         (Sized_relobj_file::do_set_section_offset): Likewise.
1284         (Sized_relobj_file::Local_got_offsets): Likewise.
1285         (Sized_relobj_file::local_got_offsets_): Likewise.
1286         (Sized_relobj_file::section_offsets_): Likewise.
1287         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1288         (all constructors).
1289         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1290         (Output_reloc::get_symbol_index): Likewise.
1291         (Output_reloc::local_section_offset): Likewise.
1292         (Output_reloc::get_address): Likewise.
1293         (Output_reloc::symbol_value): Likewise.
1294         (Output_data_got::reserve_slot): Move to class definition.
1295         (Output_data_got::reserve_local): New function.
1296         (Output_data_got::reserve_slot_for_global): Remove.
1297         (Output_data_got::reserve_global): New function.
1298         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1299         (all constructors, two instantiations).
1300         (Output_reloc::get_relobj): New function (two instantiations).
1301         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1302         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1303         (Output_data_reloc::add_global): Adjust type of relobj.
1304         (Output_data_reloc::add_global_relative): Likewise.
1305         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1306         (Output_data_reloc::add_local): Likewise.
1307         (Output_data_reloc::add_local_relative): Likewise.
1308         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1309         (Output_data_reloc::add_local_section): Likewise.
1310         (Output_data_reloc::add_output_section): Likewise.
1311         (Output_data_reloc::add_absolute): Likewise.
1312         (Output_data_reloc::add_target_specific): Likewise.
1313         (Output_data_got::reserve_slot): Move definition here.
1314         (Output_data_got::reserve_local): New function.
1315         (Output_data_got::reserve_global): New function.
1316         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1317         section_offsets_ with accessor function.
1318         (Sized_relobj_file::write_sections): Likewise.
1319         (Sized_relobj_file::do_relocate_sections): Likewise.
1320         * target.h (Sized_target::reserve_local_got_entry): New function.
1321         (Sized_target::reserve_global_got_entry): New function.
1322         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1323         (Target_x86_64::reserve_global_got_entry): New function.
1324         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1326 2011-05-23 Cary Coutant  <ccoutant@google.com>
1328         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1329         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1330         bit when checking got_type.
1331         * incremental.cc (Sized_incremental_binary::setup_readers):
1332         Store symbol table and string table locations; initialize bit vector
1333         of file status flags.
1334         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1335         unchanged files.
1336         (Sized_incremental_binary::do_process_got_plt): New function.
1337         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1338         (Output_section_incremental_inputs::set_final_data_size): Record
1339         file index for each input file.
1340         (Output_section_incremental_inputs::write_got_plt): Store file index
1341         instead of input entry offset for each GOT entry.
1342         * incremental.h
1343         (Incremental_input_entry::Incremental_input_entry): Initialize new
1344         data member.
1345         (Incremental_input_entry::set_offset): Store file index.
1346         (Incremental_input_entry::get_file_index): New function.
1347         (Incremental_input_entry::file_index_): New data member.
1348         (Incremental_binary::process_got_plt): New function.
1349         (Incremental_binary::do_process_got_plt): New function.
1350         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1351         data members.
1352         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1353         (Sized_incremental_binary::set_file_is_unchanged): New function.
1354         (Sized_incremental_binary::file_is_unchanged): New function.
1355         (Sized_incremental_binary::do_process_got_plt): New function.
1356         (Sized_incremental_binary::file_status_): New data member.
1357         (Sized_incremental_binary::main_symtab_loc_): New data member.
1358         (Sized_incremental_binary::main_strtab_loc_): New data member.
1359         * output.cc (Output_data_got::Got_entry::write): Add case
1360         RESERVED_CODE.
1361         (Output_data_got::add_global): Call add_got_entry.
1362         (Output_data_got::add_global_plt): Likewise.
1363         (Output_data_got::add_global_with_rel): Likewise.
1364         (Output_data_got::add_global_with_rela): Likewise.
1365         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1366         (Output_data_got::add_global_pair_with_rela): Likewise.
1367         (Output_data_got::add_local): Call add_got_entry.
1368         (Output_data_got::add_local_plt): Likewise.
1369         (Output_data_got::add_local_with_rel): Likewise.
1370         (Output_data_got::add_local_with_rela): Likewise.
1371         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1372         (Output_data_got::add_local_pair_with_rela): Likewise.
1373         (Output_data_got::reserve_slot): New function.
1374         (Output_data_got::reserve_slot_for_global): New function.
1375         (Output_data_got::add_got_entry): New function.
1376         (Output_data_got::add_got_entry_pair): New function.
1377         (Output_section::add_output_section_data): Edit FIXME.
1378         * output.h
1379         (Output_section_data_build::Output_section_data_build): New
1380         constructor with size parameter.
1381         (Output_data_space::Output_data_space): Likewise.
1382         (Output_data_got::Output_data_got): Initialize new data member; new
1383         constructor with size parameter.
1384         (Output_data_got::add_constant): Call add_got_entry.
1385         (Output_data_got::reserve_slot): New function.
1386         (Output_data_got::reserve_slot_for_global): New function.
1387         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1388         (Output_data_got::add_got_entry): New function.
1389         (Output_data_got::add_got_entry_pair): New function.
1390         (Output_data_got::free_list_): New data member.
1391         * target.h (Sized_target::init_got_plt_for_update): New function.
1392         (Sized_target::register_global_plt_entry): New function.
1393         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1394         Initialize new data member; call init; add constructor with PLT count.
1395         (Output_data_plt_x86_64::init): New function.
1396         (Output_data_plt_x86_64::add_relocation): New function.
1397         (Output_data_plt_x86_64::reserve_slot): New function.
1398         (Output_data_plt_x86_64::free_list_): New data member.
1399         (Target_x86_64::init_got_plt_for_update): New function.
1400         (Target_x86_64::register_global_plt_entry): New function.
1401         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1402         incremental updates.
1403         (Output_data_plt_x86_64::add_relocation): New function.
1404         * testsuite/object_unittest.cc (Object_test): Set default options.
1406 2011-05-16  Ian Lance Taylor  <iant@google.com>
1408         * options.h (class General_options): Make -i a synonym for -r.
1410 2011-05-16  Ian Lance Taylor  <iant@google.com>
1412         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1414 2011-05-10 Cary Coutant  <ccoutant@google.com>
1416         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1417         strip_all (-s).
1419 2011-05-06  Ian Lance Taylor  <iant@google.com>
1421         * layout.cc (Layout::layout): If the output section flags change,
1422         update the ordering.
1424 2011-04-25 Cary Coutant  <ccoutant@google.com>
1426         * incremental-dump.cc (dump_incremental_inputs): Print local
1427         symbol info for each input file.
1428         * incremental.cc
1429         (Output_section_incremental_inputs::set_final_data_size): Add local
1430         symbol info to input file entries in incremental info.
1431         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1432         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1433         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1434         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1435         implementation.
1436         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1437         (Sized_incr_relobj::do_relocate): Write the local symbols.
1438         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1439         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1440         Adjust size of input file header.
1441         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1442         (Incremental_inputs_reader::get_local_symbol_count): New function.
1443         (Incremental_inputs_reader::get_input_section): Adjust size of input
1444         file header.
1445         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1446         (Sized_incr_relobj::This): New typedef.
1447         (Sized_incr_relobj::sym_size): New const data member.
1448         (Sized_incr_relobj::Local_symbol): New struct.
1449         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1450         (Sized_incr_relobj::do_local_symbol_offset): New function.
1451         (Sized_incr_relobj::local_symbol_count_): New data member.
1452         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1453         (Sized_incr_relobj::local_symbol_index_): New data member.
1454         (Sized_incr_relobj::local_symbol_offset_): New data member.
1455         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1456         (Sized_incr_relobj::local_symbols_): New data member.
1457         * object.h (Relobj::output_local_symbol_count): New function.
1458         (Relobj::local_symbol_offset): New function.
1459         (Relobj::do_output_local_symbol_count): New function.
1460         (Relobj::do_local_symbol_offset): New function.
1461         (Sized_relobj::do_output_local_symbol_count): New function.
1462         (Sized_relobj::do_local_symbol_offset): New function.
1464 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1466         * descriptors.cc (set_close_on_exec): New function.
1467         (Descriptors::open): Use set_close_on_exec.
1468         * output.cc (S_ISLNK): Define if not defined.
1470 2011-04-22 Cary Coutant  <ccoutant@google.com>
1472         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1473         global symbol map.
1474         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1475         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1476         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1477         relocations.
1478         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1479         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1480         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1481         * incremental.h
1482         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1483         function.
1484         (Incremental_binary::apply_incremental_relocs): New function.
1485         (Incremental_binary::do_apply_incremental_relocs): New function.
1486         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1487         data member.
1488         (Sized_incremental_binary::add_global_symbol): New function.
1489         (Sized_incremental_binary::global_symbol): New function.
1490         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1491         (Sized_incremental_binary::symbol_map_): New data member.
1492         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1493         * target.h (Sized_target::apply_relocation): New function.
1494         * target-reloc.h (apply_relocation): New function.
1495         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1497 2011-04-22  Doug Kwan  <dougkwan@google.com>
1499         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1500         flag of a SHT_ARM_EXIDX section.
1501         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1502         * testsuite/Makefile.in: Regenerate.
1503         * testsuite/arm_exidx_test.s: New file.
1504         * testsuite/arm_exidx_test.sh: Same.
1506 2011-04-20 Cary Coutant  <ccoutant@google.com>
1508         PR gold/12689
1509         * archive.h (Incremental_archive_entry::Archive_member):
1510         Initialize arg_serial_ (second constructor).
1512 2011-04-17  Ian Lance Taylor  <iant@google.com>
1514         * object.cc (Relocate_info::location): Simplify location string.
1515         * errors.cc (Errors::error_at_location): Don't print program
1516         name.
1517         (Errors::warning_at_location): Likewise.
1518         (Errors::undefined_symbol): Likewise.
1519         * testsuite/debug_msg.sh: Update accordingly.
1521 2011-04-14 Cary Coutant  <ccoutant@google.com>
1523         * gold/layout.cc (Layout::symtab_section_offset): New function.
1524         * gold/layout.h (Layout::symtab_section_offset): New function.
1525         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1527 2011-04-12  Ian Lance Taylor  <iant@google.com>
1529         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1530         with MREMAP_MAYMOVE.
1531         * output.h (class Output_file): Add map_is_allocated_ field.
1532         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1533         not available, provide stubs.  If mremap is not available, #define
1534         it to gold_mremap.
1535         (MREMAP_MAYMOVE): Define if not defined.
1536         (Output_file::Output_file): Initialize map_is_allocated_.
1537         (Output_file::resize): Check map_is_allocated_.
1538         (Output_file::map_anonymous): If mmap fails, use malloc.
1539         (Output_file::unmap): Don't do anything for an anonymous map.
1540         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1541         is not available, provide stubs.
1542         (File_read::View::~View): Use free rather than delete[].
1543         (File_read::make_view): Use malloc rather than new[].  If mmap
1544         fails, use malloc.
1545         (File_read::find_or_make_view): Use malloc rather than new[].
1546         * gold.h: Remove HAVE_REMAP code.
1547         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1548         exists.  Rename mremap to gold_mremap.  If mmap is not available
1549         don't do anything.
1550         * configure, config.in: Rebuild.
1552 2011-04-11  Ian Lance Taylor  <iant@google.com>
1554         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1555         initialize local variable v.
1557 2011-04-11  Cary Coutant  <ccoutant@google.com>
1559         * archive.cc (Archive::include_member): Adjust call to
1560         report_object.
1561         (Add_archive_symbols::run): Track argument serial numbers.
1562         (Lib_group::include_member): Likewise.
1563         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1564         * archive.h (Incremental_archive_entry::Archive_member):
1565         Initialize arg_serial_.
1566         (Archive_member::arg_serial_): New data member.
1567         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1568         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1569         incremental link.
1570         (Sized_dynobj::do_for_all_local_got_entries): New function.
1571         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1572         function.
1573         * fileread.cc (get_mtime): New function.
1574         * fileread.h (get_mtime): New function.
1575         * gold.cc (queue_initial_tasks): Check for incremental update.
1576         (process_incremental_input): New function.
1577         (queue_middle_tasks): Don't force valid target for incremental
1578         update.
1579         * incremental-dump.cc (find_input_containing_global): Adjust
1580         size of symbol info entry.
1581         (dump_incremental_inputs): Dump argument serial number and
1582         in_system_directory flag; bias shndx by 1; print symbol names
1583         when dumping per-file symbol lists; use new symbol info readers.
1584         * incremental.cc
1585         (Output_section_incremental_inputs:update_data_size): New function.
1586         (Sized_incremental_binary::setup_readers): Setup input readers
1587         for each input file; build maps for files added from libraries
1588         and scripts.
1589         (Sized_incremental_binary::check_input_args): New function.
1590         (Sized_incremental_binary::do_check_inputs): Build map of argument
1591         serial numbers to input arguments.
1592         (Sized_incremental_binary::do_file_has_changed): Rename
1593         do_file_is_unchanged to this; compare file modification times.
1594         (Sized_incremental_binary::do_init_layout): New function.
1595         (Sized_incremental_binary::do_reserve_layout): New function.
1596         (Sized_incremental_binary::do_get_input_reader): Remove.
1597         (Sized_incremental_binary::get_symtab_view): New function.
1598         (Incremental_checker::can_incrementally_link_output_file): Remove.
1599         (Incremental_inputs::report_command_line): Exclude --debug options.
1600         (Incremental_inputs::report_archive_begin): Add parameter; track
1601         argument serial numbers; don't put input file entry for archive
1602         before archive members.
1603         (Incremental_inputs::report_archive_end): Put input file entry
1604         for archive after archive members.
1605         (Incremental_inputs::report_object): Add parameter; track argument
1606         serial numbers and in_system_directory flag.
1607         (Incremental_inputs::report_script): Add parameter; track argument
1608         serial numbers.
1609         (Output_section_incremental_inputs::set_final_data_size): Adjust
1610         size of symbol info entry; check for forwarding symbols.
1611         (Output_section_incremental_inputs::write_input_files): Write
1612         in_system_directory flag and argument serial number.
1613         (Output_section_incremental_inputs::write_info_blocks): Map section
1614         indices between incremental info and original input file; store
1615         input section index for each symbol.
1616         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1617         change operator() to visit().
1618         (class Global_got_offset_visitor): Likewise.
1619         (class Global_symbol_visitor_got_plt):
1620         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1621         classes.
1622         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1623         (Sized_incr_relobj::do_read_symbols): New function.
1624         (Sized_incr_relobj::do_layout): New function.
1625         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1626         (Sized_incr_relobj::do_add_symbols): New function.
1627         (Sized_incr_relobj::do_should_include_member): New function.
1628         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1629         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1630         (Sized_incr_relobj::do_section_size): New function.
1631         (Sized_incr_relobj::do_section_name): New function.
1632         (Sized_incr_relobj::do_section_contents): New function.
1633         (Sized_incr_relobj::do_section_flags): New function.
1634         (Sized_incr_relobj::do_section_entsize): New function.
1635         (Sized_incr_relobj::do_section_address): New function.
1636         (Sized_incr_relobj::do_section_type): New function.
1637         (Sized_incr_relobj::do_section_link): New function.
1638         (Sized_incr_relobj::do_section_info): New function.
1639         (Sized_incr_relobj::do_section_addralign): New function.
1640         (Sized_incr_relobj::do_initialize_xindex): New function.
1641         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1642         (Sized_incr_relobj::do_read_relocs): New function.
1643         (Sized_incr_relobj::do_gc_process_relocs): New function.
1644         (Sized_incr_relobj::do_scan_relocs): New function.
1645         (Sized_incr_relobj::do_count_local_symbols): New function.
1646         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1647         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1648         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1649         (Sized_incr_relobj::do_relocate): New function.
1650         (Sized_incr_relobj::do_set_section_offset): New function.
1651         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1652         (Sized_incr_dynobj::do_read_symbols): New function.
1653         (Sized_incr_dynobj::do_layout): New function.
1654         (Sized_incr_dynobj::do_add_symbols): New function.
1655         (Sized_incr_dynobj::do_should_include_member): New function.
1656         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1657         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1658         (Sized_incr_dynobj::do_section_size): New function.
1659         (Sized_incr_dynobj::do_section_name): New function.
1660         (Sized_incr_dynobj::do_section_contents): New function.
1661         (Sized_incr_dynobj::do_section_flags): New function.
1662         (Sized_incr_dynobj::do_section_entsize): New function.
1663         (Sized_incr_dynobj::do_section_address): New function.
1664         (Sized_incr_dynobj::do_section_type): New function.
1665         (Sized_incr_dynobj::do_section_link): New function.
1666         (Sized_incr_dynobj::do_section_info): New function.
1667         (Sized_incr_dynobj::do_section_addralign): New function.
1668         (Sized_incr_dynobj::do_initialize_xindex): New function.
1669         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1670         (make_sized_incremental_object): New function.
1671         (Incremental_library::copy_unused_symbols): New function.
1672         (Incremental_library::do_for_all_unused_symbols): New function.
1673         * incremental.h (enum Incremental_input_flags): New type.
1674         (class Incremental_checker): Remove.
1675         (Incremental_input_entry::Incremental_input_entry): Add argument
1676         serial number.
1677         (Incremental_input_entry::arg_serial): New function.
1678         (Incremental_input_entry::set_is_in_system_directory): New function.
1679         (Incremental_input_entry::is_in_system_directory): New function.
1680         (Incremental_input_entry::arg_serial_): New data member.
1681         (Incremental_input_entry::is_in_system_directory_): New data member.
1682         (class Script_info): Move here from script.h.
1683         (Script_info::Script_info): Add filename parameter.
1684         (Script_info::filename): New function.
1685         (Script_info::filename_): New data member.
1686         (Incremental_script_entry::Incremental_script_entry): Add argument
1687         serial number.
1688         (Incremental_object_entry::Incremental_object_entry): Likewise.
1689         (Incremental_object_entry::add_input_section): Build list of input
1690         sections with map to original shndx.
1691         (Incremental_object_entry::get_input_section_index): New function.
1692         (Incremental_object_entry::shndx_): New data member.
1693         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1694         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1695         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1696         serial number.
1697         (Incremental_inputs::report_archive_begin): Likewise.
1698         (Incremental_inputs::report_object): Likewise.
1699         (Incremental_inputs::report_script): Likewise.
1700         (class Incremental_global_symbol_reader): New class.
1701         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1702         and store flags and input file type.
1703         (Incremental_input_entry_reader::arg_serial): New function.
1704         (Incremental_input_entry_reader::type): Extract type from flags.
1705         (Incremental_input_entry_reader::is_in_system_directory): New function.
1706         (Incremental_input_entry_reader::get_input_section_count): Call
1707         accessor function for type.
1708         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1709         function for type; adjust size of global symbol entry.
1710         (Incremental_input_entry_reader::get_global_symbol_count): Call
1711         accessor function for type.
1712         (Incremental_input_entry_reader::get_object_count): Likewise.
1713         (Incremental_input_entry_reader::get_object_offset): Likewise.
1714         (Incremental_input_entry_reader::get_member_count): Likewise.
1715         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1716         (Incremental_input_entry_reader::get_member_offset): Likewise.
1717         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1718         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1719         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1720         (Incremental_input_entry_reader::get_global_symbol_reader): New
1721         function.
1722         (Incremental_input_entry_reader::get_output_symbol_index): New
1723         function.
1724         (Incremental_input_entry_reader::type_): Remove.
1725         (Incremental_input_entry_reader::flags_): New data member.
1726         (Incremental_inputs_reader::input_file_offset): New function.
1727         (Incremental_inputs_reader::input_file_index): New function.
1728         (Incremental_inputs_reader::input_file): Call input_file_offset.
1729         (Incremental_inputs_reader::input_file_at_offset): New function.
1730         (Incremental_relocs_reader::get_r_type): Reformat.
1731         (Incremental_relocs_reader::get_r_shndx): Reformat.
1732         (Incremental_relocs_reader::get_r_offset): Reformat.
1733         (Incremental_relocs_reader::data): New function.
1734         (Incremental_binary::Incremental_binary): Initialize new data members.
1735         (Incremental_binary::check_inputs): Add cmdline parameter.
1736         (Incremental_binary::file_is_unchanged): Remove.
1737         (Input_reader::arg_serial): New function.
1738         (Input_reader::get_unused_symbol_count): New function.
1739         (Input_reader::get_unused_symbol): New function.
1740         (Input_reader::do_arg_serial): New function.
1741         (Input_reader::do_get_unused_symbol_count): New function.
1742         (Input_reader::do_get_unused_symbol): New function.
1743         (Incremental_binary::input_file_count): New function.
1744         (Incremental_binary::get_input_reader): Change signature to use
1745         index instead of filename.
1746         (Incremental_binary::file_has_changed): New function.
1747         (Incremental_binary::get_input_argument): New function.
1748         (Incremental_binary::get_library): New function.
1749         (Incremental_binary::get_script_info): New function.
1750         (Incremental_binary::init_layout): New function.
1751         (Incremental_binary::reserve_layout): New function.
1752         (Incremental_binary::output_file): New function.
1753         (Incremental_binary::do_check_inputs): New function.
1754         (Incremental_binary::do_file_is_unchanged): Remove.
1755         (Incremental_binary::do_file_has_changed): New function.
1756         (Incremental_binary::do_init_layout): New function.
1757         (Incremental_binary::do_reserve_layout): New function.
1758         (Incremental_binary::do_input_file_count): New function.
1759         (Incremental_binary::do_get_input_reader): Change signature.
1760         (Incremental_binary::input_args_map_): New data member.
1761         (Incremental_binary::library_map_): New data member.
1762         (Incremental_binary::script_map_): New data member.
1763         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1764         new data members.
1765         (Sized_incremental_binary::output_section): New function.
1766         (Sized_incremental_binary::inputs_reader): Add const.
1767         (Sized_incremental_binary::symtab_reader): Add const.
1768         (Sized_incremental_binary::relocs_reader): Add const.
1769         (Sized_incremental_binary::got_plt_reader): Add const.
1770         (Sized_incremental_binary::get_symtab_view): New function.
1771         (Sized_incremental_binary::Inputs_reader): New typedef.
1772         (Sized_incremental_binary::Input_entry_reader): New typedef.
1773         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1774         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1775         (Sized_incremental_binary::do_file_has_changed): New function.
1776         (Sized_incremental_binary::do_init_layout): New function.
1777         (Sized_incremental_binary::do_reserve_layout): New function.
1778         (Sized_input_reader::Inputs_reader): Remove.
1779         (Sized_input_reader::Input_entry_reader): Remove.
1780         (Sized_input_reader::do_arg_serial): New function.
1781         (Sized_input_reader::do_get_unused_symbol_count): New function.
1782         (Sized_input_reader::do_get_unused_symbol): New function.
1783         (Sized_incremental_binary::do_input_file_count): New function.
1784         (Sized_incremental_binary::do_get_input_reader): Change signature;
1785         use index instead of filename.
1786         (Sized_incremental_binary::section_map_): New data member.
1787         (Sized_incremental_binary::input_entry_readers_): New data member.
1788         (class Sized_incr_relobj): New class.
1789         (class Sized_incr_dynobj): New class.
1790         (make_sized_incremental_object): New function.
1791         (class Incremental_library): New class.
1792         * layout.cc (Free_list::num_lists): New static data member.
1793         (Free_list::num_nodes): New static data member.
1794         (Free_list::num_removes): New static data member.
1795         (Free_list::num_remove_visits): New static data member.
1796         (Free_list::num_allocates): New static data member.
1797         (Free_list::num_allocate_visits): New static data member.
1798         (Free_list::init): New function.
1799         (Free_list::remove): New function.
1800         (Free_list::allocate): New function.
1801         (Free_list::dump): New function.
1802         (Free_list::print_stats): New function.
1803         (Layout_task_runner::run): Resize output file for incremental updates.
1804         (Layout::Layout): Initialize new data members.
1805         (Layout::set_incremental_base): New function.
1806         (Layout::init_fixed_output_section): New function.
1807         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1808         incremental updates.
1809         (Layout::create_gold_note): Do not create gold note section for
1810         incremental updates.
1811         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1812         for incremental updates.
1813         (Layout::set_section_offsets): For incremental updates, allocate space
1814         from free list.
1815         (Layout::create_symtab_sections): Layout with offsets relative to
1816         start of section; for incremental updates, allocate space from free
1817         list.
1818         (Layout::create_shdrs): For incremental updates, allocate space from
1819         free list.
1820         (Layout::finish_dynamic_section): For incremental updates, do not
1821         check --as-needed (fixed in subsequent patch).
1822         * layout.h (class Free_list): New class.
1823         (Layout::set_incremental_base): New function.
1824         (Layout::incremental_base): New function.
1825         (Layout::init_fixed_output_section): New function.
1826         (Layout::allocate): New function.
1827         (Layout::incremental_base_): New data member.
1828         (Layout::free_list_): New data member.
1829         * main.cc (main): Print Free_list statistics.
1830         * object.cc (Relobj::finalize_incremental_relocs): Add
1831         clear_counts parameter; clear counts only when clear_counts is set.
1832         (Sized_relobj::Sized_relobj): Initialize new base class.
1833         (Sized_relobj::do_layout): Don't report special sections.
1834         (Sized_relobj::do_for_all_local_got_entries): New function.
1835         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1836         symtab_off to all symbol table offsets.
1837         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1838         * object.h (class Got_offset_list): Move to top of file.
1839         (Object::Object): Allow case where input_file == NULL.
1840         (Object::~Object): Likewise.
1841         (Object::input_file): Assert that input_file != NULL.
1842         (Object::lock): Allow case where input_file == NULL.
1843         (Object::unlock): Likewise.
1844         (Object::is_locked): Likewise.
1845         (Object::token): Likewise.
1846         (Object::release): Likewise.
1847         (Object::is_incremental): New function.
1848         (Object::get_mtime): New function.
1849         (Object::for_all_local_got_entries): New function.
1850         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1851         (Object::set_is_in_system_directory): New function.
1852         (Object::is_in_system_directory): New function.
1853         (Object::do_is_incremental): New function.
1854         (Object::do_get_mtime): New function.
1855         (Object::do_for_all_local_got_entries): New function.
1856         (Object::is_in_system_directory_): New data member.
1857         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1858         (class Sized_relobj_base): New class.
1859         (class Sized_relobj): Derive from Sized_relobj_base.
1860         (class Sized_relobj::Symbols): Redeclare from base class.
1861         (class Sized_relobj::local_got_offset_list): Remove.
1862         (class Sized_relobj::Output_sections): Redeclare from base class.
1863         (class Sized_relobj::do_for_all_local_got_entries): New function.
1864         (class Sized_relobj::write_local_symbols): Add offset parameter.
1865         (class Sized_relobj::local_symbol_offset_): Update comment.
1866         (class Sized_relobj::local_dynsym_offset_): Update comment.
1867         * options.cc (Input_arguments::add_file): Remove const.
1868         * options.h (Input_file_argument::Input_file_argument):
1869         Initialize arg_serial_ (all constructors).
1870         (Input_file_argument::set_arg_serial): New function.
1871         (Input_file_argument::arg_serial): New function.
1872         (Input_file_argument::arg_serial_): New data member.
1873         (Input_arguments::Input_arguments): Initialize file_count_.
1874         (Input_arguments::add_file): Remove const.
1875         (Input_arguments::number_of_input_files): New function.
1876         (Input_arguments::file_count_): New data member.
1877         (Command_line::number_of_input_files): Call
1878         Input_arguments::number_of_input_files.
1879         * output.cc (Output_segment_headers::Output_segment_headers):
1880         Set current size.
1881         (Output_section::Input_section::current_data_size): New function.
1882         (Output_section::Output_section): Initialize new data members.
1883         (Output_section::add_input_section): Don't do merge sections for
1884         an incremental link; allocate space from free list for an
1885         incremental update.
1886         (Output_section::add_output_section_data): Allocate space from
1887         free list for an incremental update.
1888         (Output_section::update_data_size): New function.
1889         (Output_section::set_fixed_layout): New function.
1890         (Output_section::reserve): New function.
1891         (Output_segment::set_section_addresses): Remove const.
1892         (Output_segment::set_section_list_addresses): Remove const; allocate
1893         space from free list for an incremental update.
1894         (Output_segment::set_offset): Adjust size of RELRO segment for an
1895         incremental update.
1896         * output.h (Output_data::current_data_size): Move here from
1897         child classes.
1898         (Output_data::pre_finalize_data_size): New function.
1899         (Output_data::update_data_size): New function.
1900         (Output_section_headers::update_data_size): new function.
1901         (Output_section_data_build::current_data_size): Move to Output_data.
1902         (Output_data_strtab::update_data_size): New function.
1903         (Output_section::current_data_size): Move to Output_data.
1904         (Output_section::set_fixed_layout): New function.
1905         (Output_section::has_fixed_layout): New function.
1906         (Output_section::reserve): New function.
1907         (Output_section::update_data_size): New function.
1908         (Output_section::has_fixed_layout_): New data member.
1909         (Output_section::free_list_): New data member.
1910         (Output_segment::set_section_addresses): Remove const.
1911         (Output_segment::set_section_list_addresses): Remove const.
1912         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1913         New function.
1914         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1915         New function.
1916         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1917         parameter when calling Add_symbols constructor; store argument
1918         serial number for members of a lib group.
1919         (Add_symbols::locks): Allow case where token == NULL.
1920         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1921         (Read_member::~Read_member): New function.
1922         (Read_member::is_runnable): New function.
1923         (Read_member::locks): New function.
1924         (Read_member::run): New function.
1925         (Check_script::~Check_script): New function.
1926         (Check_script::is_runnable): New function.
1927         (Check_script::locks): New function.
1928         (Check_script::run): New function.
1929         (Check_library::~Check_library): New function.
1930         (Check_library::is_runnable): New function.
1931         (Check_library::locks): New function.
1932         (Check_library::run): New function.
1933         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1934         (Add_symbols::library_): New data member.
1935         (class Read_member): New class.
1936         (class Check_script): New class.
1937         (class Check_library): New class.
1938         * reloc.cc (Read_relocs::is_runnable): Allow case where
1939         token == NULL.
1940         (Read_relocs::locks): Likewise.
1941         (Scan_relocs::locks): Likewise.
1942         (Relocate_task::locks): Likewise.
1943         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1944         to clear counters.
1945         (Sized_relobj::incremental_relocs_scan): Fix comment.
1946         (Sized_relobj::do_relocate): Pass output file offset to
1947         write_local_symbols.
1948         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1949         from class declaration.
1950         * script.cc (read_input_script): Allocate Script_info; pass
1951         argument serial number to report_script.
1952         * script.h (class Script_info): Move to incremental.h.
1953         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1954         * symtab.h (Symbol_table::add_from_incrobj): New function.
1955         (Symbol_table::set_file_offset): New function.
1957 2011-04-05  Cary Coutant  <ccoutant@google.com>
1959         * incremental-dump.cc (dump_incremental_inputs): Change signature
1960         to take a Sized_incremental_binary; change caller.  Use readers
1961         in Sized_incremental_binary.
1962         * incremental.cc
1963         (Sized_incremental_binary::find_incremental_inputs_sections):
1964         Rename do_find_incremental_inputs_sections to this.
1965         (Sized_incremental_binary::setup_readers): New function.
1966         (Sized_incremental_binary::do_check_inputs): Check
1967         has_incremental_info_ flag; move setup code to setup_readers;
1968         use input readers.
1969         (Sized_incremental_binary::do_file_is_unchanged): New function.
1970         (Sized_incremental_binary::do_get_input_reader): New function.
1971         * incremental.h (class Incremental_binary): Move to end of file.
1972         (Incremental_binary::file_is_unchanged): New function.
1973         (Incremental_binary::do_file_is_unchanged): New function.
1974         (Incremental_binary::Input_reader): New class.
1975         (Incremental_binary::get_input_reader): New function.
1976         (class Sized_incremental_binary): Move to end of file.
1977         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1978         input section reader classes.
1979         (Sized_incremental_binary::has_incremental_info): New function.
1980         (Sized_incremental_binary::inputs_reader): New function.
1981         (Sized_incremental_binary::symtab_reader): New function.
1982         (Sized_incremental_binary::relocs_reader): New function.
1983         (Sized_incremental_binary::got_plt_reader): New function.
1984         (Sized_incremental_binary::do_file_is_unchanged): New function.
1985         (Sized_incremental_binary::Sized_input_reader): New class.
1986         (Sized_incremental_binary::get_input_reader): New function.
1987         (Sized_incremental_binary::find_incremental_inputs_sections):
1988         Rename do_find_incremental_inputs_sections to this.
1989         (Sized_incremental_binary::setup_readers): New function.
1990         (Sized_incremental_binary::has_incremental_info_): New data member.
1991         (Sized_incremental_binary::inputs_reader_): New data member.
1992         (Sized_incremental_binary::symtab_reader_): New data member.
1993         (Sized_incremental_binary::relocs_reader_): New data member.
1994         (Sized_incremental_binary::got_plt_reader_): New data member.
1995         (Sized_incremental_binary::current_input_file_): New data member.
1997 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1999         PR gold/12640
2000         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2001         violation.
2003 2011-03-30  Cary Coutant  <ccoutant@google.com>
2005         * archive.cc (Archive::include_member): Adjust call to report_object.
2006         (Add_archive_symbols::run): Add script_info to call to
2007         report_archive_begin.
2008         (Lib_group::include_member): Adjust call to report_object.
2009         (Add_lib_group_symbols::run): Adjust call to report_object.
2010         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2011         blocks.  Add object count for script input files.
2012         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2013         script_info parameter; change all callers.
2014         (Incremental_inputs::report_object): Add script_info parameter;
2015         change all callers.
2016         (Incremental_inputs::report_script): Store backpointer to
2017         incremental info entry.
2018         (Output_section_incremental_inputs::set_final_data_size): Record
2019         additional information for scripts.
2020         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2021         * incremental.h (Incremental_script_entry::add_object): New function.
2022         (Incremental_script_entry::get_object_count): New function.
2023         (Incremental_script_entry::get_object): New function.
2024         (Incremental_script_entry::objects_): New data member; adjust
2025         constructor.
2026         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2027         (Incremental_inputs::report_object): Add script_info parameter.
2028         (Incremental_inputs_reader::get_object_count): New function.
2029         (Incremental_inputs_reader::get_object_offset): New function.
2030         * options.cc (Input_arguments::add_file): Return reference to
2031         new input argument.
2032         * options.h (Input_argument::set_script_info): New function.
2033         (Input_argument::script_info): New function.
2034         (Input_argument::script_info_): New data member; adjust all
2035         constructors.
2036         (Input_file_group::add_file): Return reference to new input argument.
2037         (Input_file_lib::add_file): Likewise.
2038         (Input_arguments::add_file): Likewise.
2039         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2040         * script.cc (Parser_closure::Parser_closure): Add script_info
2041         parameter; adjust all callers.
2042         (Parser_closure::script_info): New function.
2043         (Parser_closure::script_info_): New data member.
2044         (read_input_script): Report scripts earlier to incremental info.
2045         (script_add_file): Set script_info in Input_argument.
2046         (script_add_library): Likewise.
2047         * script.h (Script_options::Script_info): Rewrite class.
2049 2011-03-29  Cary Coutant  <ccoutant@google.com>
2051         * archive.cc (Library_base::should_include_member): Move
2052         method here from class Archive.
2053         (Archive::Archive): Initialize base class.
2054         (Archive::should_include_member): Move to base class.
2055         (Archive::do_for_all_unused_symbols): New function.
2056         (Add_archive_symbols::run): Remove redundant access to
2057         incremental_inputs.
2058         (Lib_group::Lib_group): Initialize base class.
2059         (Lib_group::do_filename): New function.
2060         (Lib_group::include_member): Pass pointer to Lib_group to
2061         report_object.
2062         (Lib_group::do_for_all_unused_symbols): New function.
2063         (Add_lib_group_symbols::run): Report archive information for
2064         incremental links.
2065         * archive.h (class Library_base): New base class.
2066         (class Archive): Derive from Library_base.
2067         (Archive::filename): Move to base class.
2068         (Archive::set_incremental_info): Likewise.
2069         (Archive::incremental_info): Likewise.
2070         (Archive::Should_include): Likewise.
2071         (Archive::should_include_member): Likewise.
2072         (Archive::Armap_entry): Remove.
2073         (Archive::Unused_symbol_iterator): Remove.
2074         (Archive::unused_symbols_begin): Remove.
2075         (Archive::unused_symbols_end): Remove.
2076         (Archive::do_filename): New function.
2077         (Archive::do_get_mtime): New function.
2078         (Archive::do_for_all_unused_symbols): New function.
2079         (Archive::task_): Move to base class.
2080         (Archive::incremental_info_): Likewise.
2081         (class Lib_group): Derive from Library_base.
2082         (Lib_group::do_filename): New function.
2083         (Lib_group::do_get_mtime): New function.
2084         (Lib_group::do_for_all_unused_symbols): New function.
2085         (Lib_group::task_): Move to base class.
2086         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2087         function.
2088         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2089         function.
2090         * incremental.cc (Incremental_inputs::report_archive_begin):
2091         Use Library_base; call library's get_mtime; add incremental inputs
2092         entry before members.
2093         (class Unused_symbol_visitor): New class.
2094         (Incremental_inputs::report_archive_end): Use Library_base; use
2095         visitor class to record unused symbols; don't add incremental inputs
2096         entry after members.
2097         (Incremental_inputs::report_object): Use Library_base.
2098         * incremental.h
2099         (Incremental_archive_entry::Incremental_archive_entry): Remove
2100         unused Archive parameter.
2101         (Incremental_inputs::report_archive_begin): Use Library_base.
2102         (Incremental_inputs::report_archive_end): Likewise.
2103         (Incremental_inputs::report_object): Likewise.
2104         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2105         function.
2106         * object.h (Object::for_all_global_symbols): New function.
2107         (Object::do_for_all_global_symbols): New function.
2108         (Sized_relobj::do_for_all_global_symbols): New function.
2109         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2110         function.
2111         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2112         function.
2114 2011-03-27  Ian Lance Taylor  <iant@google.com>
2116         * archive.cc (Archive::interpret_header): Return -1 if something
2117         goes wrong.  Change callers accordingly.
2119 2011-03-25  Cary Coutant  <ccoutant@google.com>
2121         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2122         * testsuite/Makefile.in: Regenerate.
2124 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2126         * plugin.cc (get_view): New.
2127         (Plugin::load): Pass get_view to the plugin.
2128         (Plugin_manager::get_view): New.
2130 2011-03-21  Ian Lance Taylor  <iant@google.com>
2132         * testsuite/final_layout.sh: Rewrite to not use dc.
2133         * testsuite/relro_test.sh: Fail if dc is not present.
2135 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2137         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2138         Change == to -eq.
2139         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2140         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2141         Change == to -eq.
2142         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2143         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2145 2011-03-14  Ian Lance Taylor  <iant@google.com>
2147         * script-sections.cc (Sort_output_sections::script_compare):
2148         Rename from is_before, change return type.
2149         (Sort_output_sections::operator()): Adjust accordingly.
2151 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2153         PR gold/12572
2154         * testsuite/odr_violation2.cc: Add comment to make all error line
2155         numbers double digits.
2156         * testsuite/debug_msg.sh: Adjust expected errors.
2158 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2160         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2161         but mark earlier ones as non-canonical
2162         (offset_to_iterator): Update search target and example
2163         (do_addr2line): Return extra lines in a vector*
2164         (format_file_lineno): Extract from do_addr2line
2165         (one_addr2line): Add vector* out-param
2166         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2167         when a lineno entry appeared last for its instruction
2168         (Dwarf_line_info): Add vector* out-param
2169         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2170         * symtab.cc (Odr_violation_compare): Include the lineno in the
2171         comparison again.
2172         (linenos_from_loc): New. Combine the canonical line for an
2173         address with its other lines.
2174         (True_if_intersect): New. Helper functor to make
2175         std::set_intersection a query.
2176         (detect_odr_violations): Compare sets of lines instead of just
2177         one line for each function. This became less deterministic, but
2178         has fewer false positives.
2179         * symtab.h: Declarations.
2180         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2181         mix an optimized and non-optimized object in the same binary
2182         (odr_violation2.so): Same.
2183         * testsuite/Makefile.in: Regenerate from Makefile.am.
2184         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2185         * testsuite/debug_msg.sh: Update line numbers and add
2186         assertions.
2187         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2188         non-optimized context.
2189         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2190         isn't inlined, and use OdrDerived in an optimized context.
2191         * testsuite/odr_header1.h: Defines OdrDerived, where
2192         optimization will change the
2193         first-instruction-in-the-destructor's file and line number.
2194         * testsuite/odr_header2.h: Defines OdrBase.
2196 2011-03-09  Ian Lance Taylor  <iant@google.com>
2198         * fileread.cc (File_read::clear_views): Don't delete the whole
2199         file view.
2201 2011-03-08  Ian Lance Taylor  <iant@google.com>
2203         PR gold/12525
2204         * fileread.cc: #include <climits>.
2205         (GOLD_IOV_MAX): Define.
2206         (File_read::read_multiple): Limit number of entries by iov_max.
2207         * fileread.h (class File_read): Always set max_readv_entries to
2208         128.
2210 2011-03-07  Ian Lance Taylor  <iant@google.com>
2212         PR gold/12525
2213         * options.h (class General_options): Add -dy and -dn.
2215 2011-03-02  Cary Coutant  <ccoutant@google.com>
2217         * testsuite/script_test_9.t: Add TLS segment.
2219 2011-03-02  Simon Baldwin  <simonb@google.com>
2221         * configure.ac: Add check for gnu_indirect_function support in
2222         the toolchain building binutils.
2223         * configure: Rebuild.
2225 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2227         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2228         plugin only symbols.
2229         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2230         in plugin files as not needed in the symbol table.
2232 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2234         * output.cc (Output_section::add_input_section): Delay fill
2235         generation for section ordering.
2237 2011-02-09  Ian Lance Taylor  <iant@google.com>
2239         PR gold/12316
2240         * object.h (class Sized_relobj): Remove clear_local_symbols.
2241         * reloc.cc (Sized_relobj::do_relocate): Don't call
2242         clear_local_symbols.
2244 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2246         * plugin.cc (is_visible_from_outside): Return true for symbols
2247         in the -u option.
2249 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2251         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2252         filename.
2254 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2256         * icf.h (is_section_foldable_candidate): Change type of parameter
2257         to std::string.
2258         * icf.cc (Icf::find_identical_sections): Change type of local variable
2259         section_name to be std::string.
2260         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2262 2011-01-25  Ian Lance Taylor  <iant@google.com>
2264         * script.cc (script_add_extern): Rewrite to use
2265         add_symbol_reference.
2267 2011-01-25  Doug Kwan  <dougkwan@google.com>
2269         * icf.cc (get_section_contents): Always lock section's object.
2271 2011-01-24  Ian Lance Taylor  <iant@google.com>
2273         * options.h (class General_options): Accept
2274         --no-detect-odr-violations.
2276 2011-01-24  Ian Lance Taylor  <iant@google.com>
2278         * version.cc (version_string): Bump to 1.11.
2280 2011-01-24  Ian Lance Taylor  <iant@google.com>
2282         * plugin.cc (class Plugin_rescan): Define new class.
2283         (Plugin_manager::claim_file): Set any_claimed_.
2284         (Plugin_manager::save_archive): New function.
2285         (Plugin_manager::save_input_group): New function.
2286         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2287         necessary.
2288         (Plugin_manager::new_undefined_symbol): New function.
2289         (Plugin_manager::rescan): New function.
2290         (Plugin_manager::rescannable_defines): New function.
2291         (Plugin_manager::add_input_file): Set any_added_.
2292         * plugin.h (class Plugin_manager): define new fields rescannable_,
2293         undefined_symbols_, any_claimed_, and any_added_.  Declare
2294         Plugin_rescan as friend.  Declare new functions.
2295         (Plugin_manager::Rescannable): Define type.
2296         (Plugin_manager::Rescannable_list): Define type.
2297         (Plugin_manager::Undefined_symbol_list): Define type.
2298         (Plugin_manager::Plugin_manager): Initialize new fields.
2299         * archive.cc (Archive::defines_symbol): New function.
2300         (Add_archive_symbols::run): Pass archive to plugins if any.
2301         * archive.h (class Archive): Declare defines_symbol.
2302         * readsyms.cc (Input_group::~Input_group): New function.
2303         (Finish_group::run): Pass input_group to plugins if any.
2304         * readsyms.h (class Input_group): Declare destructor.
2305         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2306         any.
2308 2011-01-10  Ian Lance Taylor  <iant@google.com>
2310         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2311         section as relro.
2312         (Layout::set_segment_offsets): Reset increase_relro before calling
2313         set_section_addresses a second time.
2315 2011-01-04  Cary Coutant  <ccoutant@google.com>
2317         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2318         sections before NOBITS sections.
2320 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2322         * version.cc (print_version): Update copyright to 2011.
2324 2010-12-23  Cary Coutant  <ccoutant@google.com>
2326         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2327         of OS to this->add.  Add OD parameter to second form of the function.
2329 2010-12-20  Ian Lance Taylor  <iant@google.com>
2331         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2332         second of two consecutive entries with same offset.
2334 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2336         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2337         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2338         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2339         to avoid unneeded links against $(LDADD).
2340         * testsuite/Makefile.in: Regenerate.
2342 2010-12-15  Ian Lance Taylor  <iant@google.com>
2344         PR gold/12324
2345         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2346         for R_X86_64_32 and R_X86_64_PC32.
2347         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2348         ver_matching_def_pic.o.
2349         (ver_matching_def_pic.o): New target.
2351 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2353         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2354         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2355         Move definition before File_read::View member definitions.
2356         (File_read::View::~View): Initialize and hold lock before
2357         updating current_mapped_bytes.
2359 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2361         * dwarf_reader.cc: Remove outdated comment.
2362         * gold-threads.cc: Fix typo in error message.
2363         * archive.cc: Fix typos in comments.
2364         * archive.h: Likewise.
2365         * arm-reloc-property.cc: Likewise.
2366         * arm-reloc-property.h: Likewise.
2367         * arm-reloc.def: Likewise.
2368         * arm.cc: Likewise.
2369         * attributes.h: Likewise.
2370         * cref.cc: Likewise.
2371         * ehframe.cc: Likewise.
2372         * fileread.h: Likewise.
2373         * gold.h: Likewise.
2374         * i386.cc: Likewise.
2375         * icf.cc: Likewise.
2376         * incremental.h: Likewise.
2377         * int_encoding.cc: Likewise.
2378         * layout.h: Likewise.
2379         * main.cc: Likewise.
2380         * merge.h: Likewise.
2381         * object.cc: Likewise.
2382         * object.h: Likewise.
2383         * options.cc: Likewise.
2384         * readsyms.cc: Likewise.
2385         * reduced_debug_output.cc: Likewise.
2386         * reloc.cc: Likewise.
2387         * script-sections.cc: Likewise.
2388         * sparc.cc: Likewise.
2389         * symtab.h: Likewise.
2390         * target-reloc.h: Likewise.
2391         * target.cc: Likewise.
2392         * target.h: Likewise.
2393         * timer.cc: Likewise.
2394         * timer.h: Likewise.
2395         * x86_64.cc: Likewise.
2397 2010-12-09  Cary Coutant  <ccoutant@google.com>
2399         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2400         stack.
2401         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2402         parameter; change all callers.
2403         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2404         * options.h (warn_execstack): New option.
2406 2010-12-07  Doug Kwan  <dougkwan@google.com>
2408         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2409         like function call relocations.
2411 2010-12-07  Ian Lance Taylor  <iant@google.com>
2413         * archive.cc (Archive::get_elf_object_for_member): Permit
2414         punconfigured to be NULL.
2415         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2416         (Archive::include_member): Pass NULL to get_elf_object_for_member
2417         if we searched for the archive and this is the first included
2418         object.
2420 2010-12-01  Ian Lance Taylor  <iant@google.com>
2422         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2423         track_relocs_type_ field.
2424         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2425         Set track_relocs_type_.
2426         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2427         contents when using RELA relocs.
2428         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2429         reloc_map_.
2430         * reloc.cc (Track_relocs::next_addend): New function.
2431         * reloc.h (class Track_relocs): Declare next_addend.
2433 2010-12-01  Ian Lance Taylor  <iant@google.com>
2435         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2436         virtual destructor.
2438 2010-12-01  Ian Lance Taylor  <iant@google.com>
2440         * README: Update compilers known to work and fail.
2442 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2444         * configure.in: For --enable-gold, handle value `default' instead of
2445         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2446         not the default.
2447         * configure: Regenerate.
2449 2010-11-18  Doug Kwan  <dougkwan@google.com>
2451         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2452         and right_alignment to be zero.  Store result alignment only if it is
2453         greater than existing alignment.
2455 2010-11-16  Cary Coutant  <ccoutant@google.com>
2457         PR gold/12220
2458         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2459         Check for ".zdebug_line".
2461 2010-11-16  Doug Kwan  <dougkwan@google.com>
2462             Cary Coutant  <ccoutant@google.com>
2464         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2465         by reference; adjust all callers.
2466         * output.cc (Output_segment::set_section_addresses): Adjust references
2467         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2468         list is empty.
2469         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2470         end at page boundary.
2472 2010-11-16  Cary Coutant  <ccoutant@google.com>
2474         PR gold/12220
2475         * layout.cc (Layout::choose_output_section): Transform names of
2476         compressed sections even when using a script with a SECTIONS clause.
2477         (Layout::output_section_name): Remove code to transform
2478         compressed debug section names.
2479         * output.cc (Output_section::add_input_section): Use uncompressed
2480         section size when tracking input sections.
2482 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2484         * symtab.h (Symbol::NON_PIC_REF): Remove.
2485         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2486         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2487         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2488         (Symbol::use_plt_offset): Take a flags argument and pass it
2489         directly to needs_dynamic_reloc.  Restrict check for undefined
2490         weak symbols to function calls.
2491         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2492         (Target_arm::Scan::global): Use it.
2493         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2494         (Target_arm::Relocate::relocate): Likewise.
2495         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2496         parameter with an r_type parameter.  Use get_reference_flags
2497         to get the flags.
2498         (Target_arm::Relocate::relocate): Update accordingly.
2499         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2500         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2501         (Target_i386::Scan::global): Likewise.
2502         (Target_i386::Relocate::relocate): Likewise.
2503         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2504         parameter with an r_type parameter.  Use get_reference_flags
2505         to get the flags.
2506         (Target_i386::Relocate::relocate): Update accordingly.
2507         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2508         (Target_powerpc::Scan::global): Use it.
2509         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2510         (Target_powerpc::Relocate::relocate): Likewise.
2511         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2512         (Target_sparc::Scan::global): Use it.
2513         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2514         (Target_sparc::Relocate::relocate): Likewise.
2515         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2516         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2517         (Target_x86_64::Scan::global): Likewise.
2518         (Target_x86_64::Relocate::relocate): Likewise.
2520 2010-11-08  Doug Kwan  <dougkwan@google.com>
2521             Cary Coutant  <ccoutant@google.com>
2523         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2524         (Arm_exidx_merge_section::section_contents_): New data member.
2525         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2526         (Arm_input_section::~Arm_input_section): De-allocate memory.
2527         (Arm_input_section::original_contents_): New data member.       
2528         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2529         in parameters instead of calling Object::section_contents without
2530         locking.
2531         (Arm_output_section::group_section): New parameter TASK.  Pass it
2532         to callees that need locking objects.
2533         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2534         to lock EXIDX input sections.  Fix a formatting issue.  Call
2535         Arm_exidx_merged_section::build_contents to create merged section
2536         contents.
2537         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2538         to lock object of stub table owner.
2539         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2540         TEXT_SIZE to initialize data member TEXT_SIZE_.
2541         (Arm_exidx_input_section::addralign): Fix typo in comment.
2542         (Arm_exidx_input_section::text_size): New method.
2543         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2544         that require locking objects.  Lock objects before scanning for stubs
2545         and updating local symbols.
2546         (Arm_input_section<big_endian>::init): Copy contents of original
2547         input section.
2548         (Arm_input_section<big_endian>::do_write): Use saved contents of
2549         original input section instead of calling Object::section_contents
2550         without locking.
2551         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2552         size without calling Object::section_size().
2553         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2554         for size.  Allocate a buffer for merged EXIDX entries.
2555         (Arm_exidx_merged_section::build_contents): New method.
2556         (Arm_exidx_merged_section::do_write): Move merge section contents
2557         building code to Arm_exidx_merged_section::build_contetns.  Write
2558         out contetns in buffer instead of building it on the fly.
2559         (Arm_relobj::make_exidx_input_section): Also pass text section size
2560         to Arm_exidx_input_section constructor.
2561         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2562         (Arm_dynobj::do_read_symbols): Fix memory leak.
2563         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2564         * target.h: (class Task): Add forward declaration.
2565         (Target::relax): Add new parameter TASK and pass it to
2566         Target::do_relax().
2567         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2569 2010-11-05  Cary Coutant  <ccoutant@google.com>
2571         PR gold/10708
2572         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2573         object when reading from the file.
2574         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2575         second layout pass.
2576         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2577         when reading section contents.
2578         (get_section_contents): Likewise.
2579         (icf::find_identical_sections): Likewise.
2580         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2581         object when reading from the file.
2582         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2583         the object when doing deferred section layout.
2585 2010-11-03  Nick Clifton  <nickc@redhat.com>
2587         PR gold/12001
2588         * script.h (class Symbol_assignment: name): New member.  Returns
2589         the name of the symbol.
2590         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2591         Returns true if the given symbol name is on the list of
2592         assignments wating to be processed.
2593         * archive.cc (should_incldue_member): If the symbol is undefined,
2594         check to see if it is on the list of symbols pending assignment.
2596 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2598         * script-sections.cc (Script_sections::find_memory_region): Check
2599         for a NULL output section pointer.
2601 2010-10-29  Doug Kwan  <dougkwan@google.com>
2603         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2604         Output_section::add_relaxed_input_section.
2605         * output.cc (Output_section::add_relaxed_input_section): Add new
2606         arguments LAYOUT and NAME.  Set section order index.
2607         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2608         Copy section order index.
2609         * output.h (Output_section::add_relaxed_input_section): Add new
2610         arguments LAYOUT and NAME.
2612 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2614         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2615         NATIVE_OR_CROSS_LINKER.
2616         * testsuite/Makefile.in: Regenerate.
2618 2010-10-20  Doug Kwan  <dougkwan@google.com>
2620         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2621         without SHF_LINK_ORDER flags.
2622         * layout.cc (Layout::choose_output_section): Do not filter
2623         SHF_LINK_ORDER flag in a relocatable link.
2625 2010-10-17  Cary Coutant  <ccoutant@google.com>
2627         * output.h (Output_segment::set_section_addresses): Change function
2628         signature.  Update all callers.
2629         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2630         sections.
2631         (Output_segment::set_section_addresses): Align after last TLS
2632         section.  Add padding before last relro section instead of after.
2634 2010-10-17  Doug Kwan  <dougkwan@google.com>
2636         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2637         GOT output section to be writable.
2639 2010-10-14  Cary Coutant  <ccoutant@google.com>
2641         * debug.h (DEBUG_INCREMENTAL): New flag.
2642         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2643         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2644         mode.
2645         * incremental.cc (report_command_line): Ignore all forms of
2646         --incremental.
2647         * layout.cc (Layout::Layout): Check parameters for incremental link
2648         mode.
2649         * options.cc (General_options::parse_incremental): New function.
2650         (General_options::parse_no_incremental): New function.
2651         (General_options::parse_incremental_full): New function.
2652         (General_options::parse_incremental_update): New function.
2653         (General_options::incremental_mode_): New data member.
2654         (General_options::finalize): Check incremental_mode_.
2655         * options.h (General_options): Update help text for --incremental.
2656         Add --no-incremental, --incremental-full, --incremental-update.
2657         (General_options::Incremental_mode): New enum type.
2658         (General_options::incremental_mode): New function.
2659         (General_options::incremental_mode_): New data member.
2660         * parameters.cc (Parameters::incremental_mode_): New data member.
2661         (Parameters::set_options): Set incremental_mode_.
2662         (Parameters::set_incremental_full): New function.
2663         (Parameters::incremental): New function.
2664         (Parameters::incremental_update): New function.
2665         (set_parameters_incremental_full): New function.
2666         * parameters.h (Parameters::set_incremental_full): New function.
2667         (Parameters::incremental): New function.
2668         (Parameters::incremental_update): New function.
2669         (Parameters::incremental_mode_): New data member.
2670         (set_parameters_incremental_full): New function.
2671         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2672         incremental link mode.
2673         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2674         (Sized_relobj::do_relocate_sections): Likewise.
2675         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2676         option.
2677         * testsuite/Makefile.in: Regenerate.
2678         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2680 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2682         * script-sections.h (class Script_sections): Make
2683         Sections_elements typedef public.
2684         * script-sections.cc (class Sort_output_sections): Add elements_
2685         field.  Add constructor which sets it; change all callers.
2686         (Sort_output_sections::is_before): New function.
2687         (Sort_output_sections::operator()): Call is_before.
2688         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2689         conditional.
2690         * testsuite/script_test_10.sh: New test. Test script section
2691         order.
2692         * testsuite/script_test_10.t: Likewise.
2693         * testsuite/script_test_10.s: Likewise.
2694         * testsuite/Makefile.am: Wrap the cross linker tests and the
2695         common tests into NATIVE_OR_CROSS_LINKER.
2696         (check_SCRIPTS): Add script_test_10.sh.
2697         (check_DATA): Add script_test_10.stdout.
2698         (script_test_10.o, script_test_10): New targets.
2699         (script_test_10.stdout): New target.
2700         * configure, testsuite/Makefile.in: Regenerate.
2702 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2704         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2705         error for the deprecated relocations.
2706         (Target_arm::Scan::global): Likewise.
2707         (Target_arm::Relocate::relocate): Likewise.
2709 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2711         * fileread.cc (Input_file::find_file): Initialize *found_name
2712         and *namep when using the fallback search for case 4.
2714 2010-10-11  Cary Coutant  <ccoutant@google.com>
2716         * options.h (class General_options): Redefine -z lazy as an alias for
2717         the negation of -z now.
2719 2010-10-11  Ian Lance Taylor  <iant@google.com>
2721         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2722         binding.
2724 2010-10-06  Nick Clifton  <nickc@redhat.com>
2726         * script-sections.cc(class Memory_region): Remove
2727         current_lma_offset_ field.  Rename current_vma_offset_ to
2728         current_offset_.  Add last_section_ field.
2729         (Memory_region::get_current_vma_address): Rename to
2730         get_current_address.
2731         (Memory_region::get_current_lma_address): Delete.
2732         (Memory_region::increment_vma_offset): Rename to
2733         increment_offset.
2734         (Memory_region::increment_lma_offset): Delete.
2735         (Memory_region::attributes_compatible): New method.  Returns
2736         true if the provided section is compatible with the region.
2737         (Memory_region::get_last_section): New method.  Returns the last
2738         section to use the region.
2739         (Memory_region::set_last_section): New method.  Stores the last
2740         section to use the region.
2741         (Script_sections::block_in_region): New method.  Returns true if
2742         a block of memory is contained within a region.
2743         (Script_sections::find_memory_region): New method.  Locates a
2744         memory region to be used to set a VMA or LMA address.
2745         (Output_section_definition::set_section_addresses): Add code to
2746         check for addresses set by memory regions.
2747         (Output_segment::set_section_addresses): Remove memory region
2748         walking code.
2749         (Script_sections::create_segment): Add a warning if a header
2750         segment is created outside of any region.
2751         * script-sections.h (class Script_sections): Add prototypes for
2752         find_memory_region and block_in_region methods.
2753         * testsuite/memory_test.s: Use .long instead of .word.
2754         * testsuite/memory_test.t: Add some more output sections.
2755         * testsuite/memory_test.sh: Update expected output.
2757 2010-10-02  Doug Kwan  <dougkwan@google.com>
2759         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2760         defintion to symtab.h
2761         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2762         declaration to defintion.
2764 2010-10-01  Nick Clifton  <nickc@redhat.com>
2766         * expression.cc (eval): Replace dummy argument with NULL.
2767         (eval_maybe_dot): Check for a NULL result section pointer.
2768         (Symbol_expression::value): Likewise.
2769         (Dot_expression::value): Likewise.
2770         (BINARY_EXPRESSION): Likewise.
2771         (Max_expression::value): Likewise.
2772         (Min_expression::value): Likewise.
2773         (Absolute_expression::value): Likewise.
2774         (Addr_expression::value_from_output_section): Likewise.
2775         (Loaddddr_expression::value_from_output_section): Likewise.
2776         (Segment_start_expression::value): Likewise.
2777         * script-sections.cc
2778         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2779         argument with NULL.
2780         (Sections_elememt_dot_assignment::set_section_addresses):
2781         Likewise.
2782         (Output_data_expression::do_write_to_buffer): Likewise.
2783         (Output_section_definition::finalize_symbols): Likewise.
2784         (Output_section_definition::set_section_addresses): Likewise.
2786 2010-09-30  Doug Kwan  <dougkwan@google.com>
2788         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2790 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2792         * target.h (Target::can_icf_inline_merge_sections): New virtual
2793         function.
2794         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2795         virtual function.
2796         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2797         virtual function.
2798         * icf.cc (get_section_contents): Inline merge sections only when
2799         target allows it.
2801 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2803         * configure: Regenerate.
2805 2010-09-17  Ian Lance Taylor  <iant@google.com>
2807         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2808         * testsuite/Makefile.am (memory_test.o): New target.
2809         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2810         memory_test.t.
2811         * testsuite/Makefile.in: Rebuild.
2813 2010-09-17  Doug Kwan  <dougkwan@google.com>
2815         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2816         defintion if relocation uses GOT entries of the symbol.
2817         * testsuite/icf_safe_test.sh: Fix test.
2818         * testsuite/icf_safe_so_test.sh: Fix test.
2820 2010-09-16  Cary Coutant  <ccoutant@google.com>
2822         * script_sections.cc (class Memory_region): Remove "NULL" from
2823         vector initializations.
2825 2010-09-15  Cary Coutant  <ccoutant@google.com>
2827         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2828         Resolve forwarding symbols.
2830 2010-09-15  Doug Kwan  <dougkwan@google.com>
2832         * gold/testsuite/script_test_3.t: Add ARM special sections.
2833         * gold/testsuite/script_test_4.t: Same.
2834         * gold/testsuite/script_test_5.t: Same.
2835         * gold/testsuite/script_test_6.t: Same.
2836         * gold/testsuite/script_test_7.t: Same.
2837         * gold/testsuite/script_test_7.t: Same.
2838         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2840 2010-09-14  Cary Coutant  <ccoutant@google.com>
2842         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2843         (Target_x86_64::Relocate::relocate_tls): Replace check for
2844         saw_tls_block_reloc_ with test for executable section.
2846 2010-09-12  Cary Coutant  <ccoutant@google.com>
2848         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2849         position-independent executables to shared libraries need dynamic
2850         relocations.
2851         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2852         position-independent executables.
2853         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2854         * testsuite/Makefile.in: Regenerate.
2856 2010-09-10  Nick Clifton  <nickc@redhat.com>
2858         PR gold/11997
2859         * testsuite/memory_test.t: Discard any sections that are not
2860         needed.
2862 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2864         PR gold/11996
2865         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2866         "This::" to work around a bug in gcc 4.2.
2868         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2870 2010-09-09  Rafael Espindola  <espindola@google.com>
2872         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2873         sections with different PF_X flags in the same segment.
2874         (Layout::find_first_load_seg): Search all segments to find the first
2875         one.
2876         * options.h (rosegment): New.
2878 2010-09-08  Rafael Espindola  <espindola@google.com>
2880         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2882 2010-09-08  Doug Kwan  <dougkwan@google.com>
2884         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2885         (Arm_relobj::do_relocate_sections): Add new parameter for output
2886         file to match the parent.
2887         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2888         of local symbols instead of input values.  Update code to track
2889         changes in gold::relocate_section.
2890         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2891         (Sized_relobj::compute_final_local_value_internal): New methods.
2892         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2893         body into private version of Sized_relobj::compute_final_local_value.
2894         Call the inline method.
2895         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2896         merged symbol value if there is one.
2897         (Symbol_value::has_output_value): New method defintiion.
2898         (Sized_relobj::Compute_final_local_value_status): New enum type.
2899         (Sized_relobj::compute_final_local_value): New methods.
2900         (Sized_relobj::compute_final_local_value_internal): New methods.
2901         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2902         and arm_cortex_a8.sh.
2903         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2904         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2905         New tests.
2906         * Makefile.in: Regenerate.
2907         * testsuite/arm_bl_out_of_range.s: Update test.
2908         * testsuite/thumb_bl_out_of_range.s: Ditto.
2909         * testsuite/thumb_blx_out_of_range.s: Ditto.
2910         * testsuite/arm_branch_out_of_range.sh: New file.
2911         * testsuite/arm_cortex_a8.sh: Ditto.
2912         * testsuite/arm_cortex_a8_b.s: Ditto.
2913         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2914         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2915         * testsuite/arm_cortex_a8_bl.s: Ditto.
2916         * testsuite/arm_cortex_a8_blx.s: Ditto.
2917         * testsuite/arm_cortex_a8_local.s: Ditto.
2918         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2919         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2921 2010-09-08  Rafael Espindola  <espindola@google.com>
2923         * Makefile.am (memory_test.stdout): Run readelf with -W.
2924         * Makefile.in: Regenerate.
2925         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2926         64 bit output.
2928 2010-09-08  Rafael Espindola  <espindola@google.com>
2930         * script-sections.cc (Script_sections::add_memory_region): Convert
2931         field precision to int.
2932         * script.cc (script_set_section_region, script_set_section_region):
2933         Convert field precision to int.
2935 2010-09-08  Rafael Espindola  <espindola@google.com>
2937         * arm.cc (do_finalize_sections): Create the __exidx_start and
2938         __exdix_end symbols even when the section is missing.
2940 2010-09-08  Nick Clifton  <nickc@redhat.com>
2942         * README: Remove claim that MEMORY is not supported.
2943         * expression.cc (script_exp_function_origin)
2944         (script_exp_function_length): Move from here to ...
2945         * script.cc: ... here.
2946         (script_set_section_region, script_add_memory)
2947         (script_parse_memory_attr, script_include_directive): New
2948         functions.
2949         * script-sections.cc
2950         (class Memory_region): New class.
2951         (class Output_section_definition): Add set_memory_region,
2952         set_section_vma, set_section_lma and get_section_name methods.
2953         (class Script_Sections): Add add_memory_region,
2954         find_memory_region, find_memory_region_origin,
2955         find_memory_region_length and set_memory_region methods.
2956         Have set_section_addresses method walk the list of set memory
2957         regions.
2958         Extend the print methos to display memory regions.
2959         * script-sections.h: Add prototypes for new methods.
2960         Add enum for MEMORY region attributes.
2961         * yyscript.y: Add support for parsing MEMORY regions.
2962         * script-c.h: Add prototypes for new functions.
2963         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2964         * testsuite/Makefile.in: Regenerate.
2965         * testsuite/memory_test.sh: New script.
2966         * testsuite/memory_test.s: New assembler source file.
2967         * testsuite/memory_test.t: New linker script.
2969 2010-08-27  Doug Kwan  <dougkwan@google.com>
2971         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2972         reference override an existing dynamic weak reference.
2973         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2974         * testsuite/Makefile.in: Regenerate.
2975         * testsuite/dyn_weak_ref.sh: New file.
2976         * testsuite/dyn_weak_ref_1.c: Ditto.
2977         * testsuite/dyn_weak_ref_2.c: Ditto.
2979 2010-08-27  Ian Lance Taylor  <iant@google.com>
2981         * incremental.h (class Incremental_input_entry): Add virtual
2982         destructor.
2984 2010-08-27  Ian Lance Taylor  <iant@google.com>
2986         * testsuite/start_lib_test_3.c: Mark t3 as used.
2988 2010-08-27  Nick Clifton  <nickc@redhat.com>
2990         * options.cc (version_script): Fix small typo in previous
2991         whitespace tidyup.
2993 2010-08-25  Nick Clifton  <nickc@redhat.com>
2995         * archive.cc: Formatting fixes: Remove whitespace between
2996         typename and following asterisk.  Remove whitespace between
2997         function name and opening parenthesis.
2998         * archive.h: Likewise.
2999         * arm.cc: Likewise.
3000         * attributes.cc: Likewise.
3001         * attributes.h: Likewise.
3002         * common.cc: Likewise.
3003         * copy-relocs.cc: Likewise.
3004         * dirsearch.h: Likewise.
3005         * dynobj.cc: Likewise.
3006         * ehframe.cc: Likewise.
3007         * ehframe.h: Likewise.
3008         * expression.cc: Likewise.
3009         * fileread.cc: Likewise.
3010         * fileread.h: Likewise.
3011         * gc.h: Likewise.
3012         * gold-threads.cc: Likewise.
3013         * gold.cc: Likewise.
3014         * i386.cc: Likewise.
3015         * icf.h: Likewise.
3016         * incremental-dump.cc: Likewise.
3017         * incremental.cc: Likewise.
3018         * layout.cc: Likewise.
3019         * layout.h: Likewise.
3020         * main.cc: Likewise.
3021         * merge.cc: Likewise.
3022         * merge.h: Likewise.
3023         * object.cc: Likewise.
3024         * object.h: Likewise.
3025         * options.cc: Likewise.
3026         * options.h: Likewise.
3027         * output.cc: Likewise.
3028         * output.h: Likewise.
3029         * plugin.cc: Likewise.
3030         * plugin.h: Likewise.
3031         * powerpc.cc: Likewise.
3032         * reloc.cc: Likewise.
3033         * script-c.h: Likewise.
3034         * script-sections.cc: Likewise.
3035         * script.cc: Likewise.
3036         * stringpool.cc: Likewise.
3037         * symtab.cc: Likewise.
3038         * symtab.h: Likewise.
3039         * target.cc: Likewise.
3040         * timer.cc: Likewise.
3041         * timer.h: Likewise.
3042         * version.cc: Likewise.
3043         * x86_64.cc: Likewise.
3045 2010-08-24  Nick Clifton  <nickc@redhat.com>
3047         PR 11899
3048         * layout.cc (segment_precedes): Sort segments by their physical
3049         addresses, if they have been set.
3051 2010-08-23  Cary Coutant  <ccoutant@google.com>
3053         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3054         symbols data.
3055         (Lib_group::include_member): Unlock object after deleting its
3056         symbols data.
3057         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3058         the bug fixed here.
3060 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3061             Cary Coutant  <ccoutant@google.com>
3063         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3064         constructor, and set_blocker.
3065         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3066         readsyms_blocker_.
3067         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3068         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3069         * testsuite/Makefile.am (start_lib_test): New test case.
3070         * testsuite/Makefile.in: Regenerate.
3071         * testsuite/start_lib_test_main.c: New file.
3072         * testsuite/start_lib_test_1.c: New file.
3073         * testsuite/start_lib_test_2.c: New file.
3074         * testsuite/start_lib_test_3.c: New file.
3076 2010-08-19  Ian Lance Taylor  <iant@google.com>
3078         * Makefile.in: Rebuild with automake 1.11.1.
3079         * aclocal.m4: Likewise.
3080         * testsuite/Makefile.in: Likewise.
3082 2010-08-19  Ian Lance Taylor  <iant@google.com>
3084         PR 10893
3085         * i386.cc (class Output_data_plt_i386): Update declarations.
3086         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3087         local_ifuncs_ fields.
3088         (Target_i386::do_plt_section_for_global): New function.
3089         (Target_i386::do_plt_section_for_local): New function.
3090         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3091         parameter; change all callers.  Initialize global_ifuncs_ and
3092         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3093         __rel_iplt_end.
3094         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3095         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3096         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3097         symbols.
3098         (Target_i386::make_plt_section): New function, broken out of
3099         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3100         (Target_i386::make_plt_entry): Call make_plt_section.
3101         (Target_i386::make_local_ifunc_plt_entry): New function.
3102         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3103         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3104         R_386_IRELATIVE to switch.
3105         (Target_i386::Scan::global): Likewise.
3106         (Target_i386::Relocate::relocate): Likewise.
3107         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3108         switch.
3109         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3110         (Target_x86_64::do_plt_section_for_global): New function.
3111         (Target_x86_64::do_plt_section_for_local): New function.
3112         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3113         parameter; change all callers.  If doing a static link define
3114         __rela_iplt_start and __rela_iplt_end.
3115         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3116         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3117         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3118         to point to .plt.
3119         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3120         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3121         switch.
3122         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3123         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3124         R_X86_64_IRELATIVE to switch.
3125         (Target_x86_64::Scan::global): Likewise.
3126         (Target_x86_64::Relocate::relocate): Likewise.
3127         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3128         switch.
3129         * target.h (class Target): Add plt_section_for_global and
3130         plt_section_for_local functions.  Add do_plt_section_for_global
3131         and do_plt_section_for_local virtual functions.
3132         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3133         clarifying comments.
3134         (Symbol::use_plt_offset): Handle IFUNC symbol.
3135         * object.cc (Sized_relobj::Sized_relobj): Initialize
3136         local_plt_offsets_.
3137         (Sized_relobj::local_has_plt_offset): New function.
3138         (Sized_relobj::local_plt_offset): New function.
3139         (Sized_relobj::set_local_plt_offset): New function.
3140         (Sized_relobj::do_count): Handle IFUNC symbol.
3141         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3142         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3143         is_ifunc_symbol functions.
3144         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3145         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3146         local_plt_offsets_ field.
3147         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3148         * output.h (class Output_section_data): Add non-const
3149         output_section function.
3150         (class Output_data_got): Update declarations.
3151         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3152         Add use_plt_offset parameter to global and local constructors.
3153         Change all callers.  Change local_sym_index_ field to 31 bits.
3154         Change GSYM_CODE and CONSTANT_CODE accordingly.
3155         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3156         doing a static link don't set sh_link field.
3157         (Output_data_got::Got_entry::write): Use PLT offset if
3158         appropriate.
3159         (Output_data_got::add_global_plt): New function.
3160         (Output_data_got::add_local_plt): New function.
3161         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3162         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3163         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3164         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3165         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3166         IFUNC conditional.
3167         * testsuite/ifunc-sel.h: New file.
3168         * testsuite/ifuncmain1.c: New file.
3169         * testsuite/ifuncmain1vis.c: New file.
3170         * testsuite/ifuncmod1.c: New file.
3171         * testsuite/ifuncdep2.c: New file.
3172         * testsuite/ifuncmain2.c: New file.
3173         * testsuite/ifuncmain3.c: New file.
3174         * testsuite/ifuncmod3.c: New file.
3175         * testsuite/ifuncmain4.c: New file.
3176         * testsuite/ifuncmain5.c: New file.
3177         * testsuite/ifuncmod5.c: New file.
3178         * testsuite/ifuncmain6pie.c: New file.
3179         * testsuite/ifuncmod6.c: New file.
3180         * testsuite/ifuncmain7.c: New file.
3181         * configure, testsuite/Makefile.in: Rebuild.
3183 2010-08-18  Ian Lance Taylor  <iant@google.com>
3185         * incremental.cc
3186         (Output_section_incremental_inputs::write_input_files): Add cast
3187         to avoid signed/unsigned comparison warning.
3188         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3190 2010-08-12  Cary Coutant  <ccoutant@google.com>
3192         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3194 2010-08-13  Ian Lance Taylor  <iant@google.com>
3196         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3198 2010-08-12  Cary Coutant  <ccoutant@google.com>
3199             Doug Kwan  <dougkwan@google.com>
3201         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3202         defintion overrides non-weak undef, remember that the original undef
3203         is not weak.
3204         * symtab.cc (Symbol_table::sized_write_global): For undef without
3205         an original weak binding, set binding to global in output.
3206         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3207         * testsuite/Makefile.in: Regenerate.
3208         * testsuite/strong_ref_weak_def.sh: New file.
3209         * testsuite/strong_ref_weak_def_1.c: Ditto.
3210         * testsuite/strong_ref_weak_def_2.c: Ditto.
3212 2010-08-12  Cary Coutant  <ccoutant@google.com>
3214         * testsuite/incremental_test.sh: Rewrite.
3215         * testsuite/incremental_test_1.c: Rewrite.
3216         * testsuite/incremental_test_2.c: Rewrite.
3218 2010-08-12  Cary Coutant  <ccoutant@google.com>
3220         * arm.cc (Target_arm::got_size): Add const.
3221         (Target_arm::got_entry_count): New function.
3222         (Target_arm::plt_entry_count): New function.
3223         (Target_arm::first_plt_entry_offset): New function.
3224         (Target_arm::plt_entry_size): New function.
3225         (Output_data_plt_arm::entry_count): New function.
3226         (Output_data_plt_arm::first_plt_entry_offset): New function.
3227         (Output_data_plt_arm::get_plt_entry_size): New function.
3228         * i386.cc (Target_i386::got_size): Add const.
3229         (Target_i386::got_entry_count): New function.
3230         (Target_i386::plt_entry_count): New function.
3231         (Target_i386::first_plt_entry_offset): New function.
3232         (Target_i386::plt_entry_size): New function.
3233         (Output_data_plt_i386::entry_count): New function.
3234         (Output_data_plt_i386::first_plt_entry_offset): New function.
3235         (Output_data_plt_i386::get_plt_entry_size): New function.
3236         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3237         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3238         * incremental.cc: Include target.h.
3239         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3240         parameter.  Adjust all callers.  Find incremental_got_plt section.
3241         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3242         section.
3243         (Output_section_incremental_inputs::set_final_data_size): Calculate
3244         size of incremental_got_plt section.
3245         (Output_section_incremental_inputs::do_write): Write the
3246         incremental_got_plt section.
3247         (Got_plt_view_info): New struct.
3248         (Local_got_offset_visitor): New class.
3249         (Global_got_offset_visitor): New class.
3250         (Global_symbol_visitor_got_plt): New class.
3251         (Output_section_incremental_inputs::write_got_plt): New function.
3252         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3253         Add parameter.  Adjust all callers.
3254         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3255         (Incremental_inputs::got_plt_section): New function.
3256         (Incremental_inputs::got_plt_section_): New data member.
3257         (Incremental_got_plt_reader): New class.
3258         * layout.cc (Layout::create_incremental_info_sections): Add the
3259         incremental_got_plt section.
3260         * object.h (Got_offset_list::get_list): New function.
3261         (Got offset_list::for_all_got_offsets): New function.
3262         (Sized_relobj::local_got_offset_list): New function.
3263         * powerpc.cc (Target_powerpc::got_size): Add const.
3264         (Target_powerpc::got_entry_count): New function.
3265         (Target_powerpc::plt_entry_count): New function.
3266         (Target_powerpc::first_plt_entry_offset): New function.
3267         (Target_powerpc::plt_entry_size): New function.
3268         (Output_data_plt_powerpc::entry_count): New function.
3269         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3270         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3271         * sparc.cc (Target_sparc::got_size): Add const.
3272         (Target_sparc::got_entry_count): New function.
3273         (Target_sparc::plt_entry_count): New function.
3274         (Target_sparc::first_plt_entry_offset): New function.
3275         (Target_sparc::plt_entry_size): New function.
3276         (Output_data_plt_sparc::entry_count): New function.
3277         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3278         (Output_data_plt_sparc::get_plt_entry_size): New function.
3279         * symtab.h (Symbol::got_offset_list): New function.
3280         (Symbol_table::for_all_symbols): New function.
3281         * target.h (Sized_target::got_entry_count): New function.
3282         (Sized_target::plt_entry_count): New function.
3283         (Sized_target::plt_entry_size): New function.
3284         * x86_64.cc (Target_x86_64::got_size): Add const.
3285         (Target_x86_64::got_entry_count): New function.
3286         (Target_x86_64::plt_entry_count): New function.
3287         (Target_x86_64::first_plt_entry_offset): New function.
3288         (Target_x86_64::plt_entry_size): New function.
3289         (Output_data_plt_x86_64::entry_count): New function.
3290         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3291         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3293 2010-08-12  Cary Coutant  <ccoutant@google.com>
3295         * archive.cc: Include incremental.h.
3296         (Archive::Archive): Initialize incremental_info_.
3297         (Archive::include_member): Record archive members in incremental info.
3298         (Add_archive_symbols::run): Record begin and end of an archive in
3299         incremental info.
3300         (Lib_group::include_member): Record objects in incremental info.
3301         * archive.h (Incremental_archive_entry): Forward declaration.
3302         (Archive::set_incremental_info): New member function.
3303         (Archive::incremental_info): New member function.
3304         (Archive::Unused_symbol_iterator): New class.
3305         (Archive::unused_symbols_begin): New member function.
3306         (Archive::unused_symbols_end): New member function.
3307         (Archive::incremental_info_): New data member.
3308         * incremental-dump.cc (find_input_containing_global): New function.
3309         (dump_incremental_inputs): Dump new incremental info sections.
3310         * incremental.cc: Include symtab.h.
3311         (Output_section_incremental_inputs): New class.
3312         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3313         new incremental info sections.
3314         (Sized_incremental_binary::do_check_inputs): Likewise.
3315         (Incremental_inputs::report_archive): Remove.
3316         (Incremental_inputs::report_archive_begin): New function.
3317         (Incremental_inputs::report_archive_end): New function.
3318         (Incremental_inputs::report_object): New function.
3319         (Incremental_inputs::finalize_inputs): Remove.
3320         (Incremental_inputs::report_input_section): New function.
3321         (Incremental_inputs::report_script): Rewrite.
3322         (Incremental_inputs::finalize): Do nothing but finalize string table.
3323         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3324         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3325         (Incremental_inputs::create_data_sections): New function.
3326         (Incremental_inputs::relocs_entsize): New function.
3327         (Output_section_incremental_inputs::set_final_data_size): New function.
3328         (Output_section_incremental_inputs::do_write): New function.
3329         (Output_section_incremental_inputs::write_header): New function.
3330         (Output_section_incremental_inputs::write_input_files): New function.
3331         (Output_section_incremental_inputs::write_info_blocks): New function.
3332         (Output_section_incremental_inputs::write_symtab): New function.
3333         * incremental.h (Incremental_script_entry): Forward declaration.
3334         (Incremental_object_entry): Forward declaration.
3335         (Incremental_archive_entry): Forward declaration.
3336         (Incremental_inputs): Forward declaration.
3337         (Incremental_inputs_header_data): Remove.
3338         (Incremental_inputs_header): Remove.
3339         (Incremental_inputs_header_write): Remove.
3340         (Incremental_inputs_entry_data): Remove.
3341         (Incremental_inputs_entry): Remove.
3342         (Incremental_inputs_entry_write): Remove.
3343         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3344         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3345         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3346         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3347         Likewise.
3348         (Incremental_input_entry): New class.
3349         (Incremental_script_entry): New class.
3350         (Incremental_object_entry): New class.
3351         (Incremental_archive_entry): New class.
3352         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3353         (Incremental_inputs::report_inputs): Remove.
3354         (Incremental_inputs::report_archive): Remove.
3355         (Incremental_inputs::report_archive_begin): New function.
3356         (Incremental_inputs::report_archive_end): New function.
3357         (Incremental_inputs::report_object): Change prototype.
3358         (Incremental_inputs::report_input_section): New function.
3359         (Incremental_inputs::report_script): Change prototype.
3360         (Incremental_inputs::get_reloc_count): New function.
3361         (Incremental_inputs::set_reloc_count): New function.
3362         (Incremental_inputs::create_data_sections): New function.
3363         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3364         (Incremental_inputs::inputs_section): New function.
3365         (Incremental_inputs::symtab_section): New function.
3366         (Incremental_inputs::relocs_section): New function.
3367         (Incremental_inputs::get_stringpool): Add const.
3368         (Incremental_inputs::command_line): Add const.
3369         (Incremental_inputs::inputs): Remove.
3370         (Incremental_inputs::command_line_key): New function.
3371         (Incremental_inputs::input_file_count): New function.
3372         (Incremental_inputs::input_files): New function.
3373         (Incremental_inputs::relocs_entsize): New function.
3374         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3375         (Incremental_inputs::finalize_inputs): Remove.
3376         (Incremental_inputs::Input_info): Remove.
3377         (Incremental_inputs::lock_): Remove.
3378         (Incremental_inputs::inputs_): Change type.
3379         (Incremental_inputs::inputs_map_): Remove.
3380         (Incremental_inputs::current_object_entry_): New data member.
3381         (Incremental_inputs::inputs_section_): New data member.
3382         (Incremental_inputs::symtab_section_): New data member.
3383         (Incremental_inputs::relocs_section_): New data member.
3384         (Incremental_inputs::reloc_count_): New data member.
3385         (Incremental_inputs_reader): New class.
3386         (Incremental_symtab_reader): New class.
3387         (Incremental_relocs_reader): New class.
3388         * layout.cc (Layout::finalize): Move finalization of incremental info
3389         and creation of incremental info sections to follow finalization of
3390         symbol table.  Set offsets for postprocessing sections.
3391         (Layout::create_incremental_info_sections): Call
3392         Incremental_inputs::create_data_sections.  Add incremental symtab
3393         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3394         sections to layout after input sections.
3395         * layout.h (struct Timespec): Forward declaration.
3396         (Layout::incremental_inputs): Add const.
3397         (Layout::create_incremental_info_sections): Add parameter.
3398         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3399         * object.cc: Include incremental.h.
3400         (Relobj::finalize_incremental_relocs): New function.
3401         (Sized_relobj::do_layout): Record input sections in incremental info.
3402         * object.h (Object::output_section): New function.
3403         (Object::output_section_offset): Moved from Relobj.
3404         (Object::get_incremental_reloc_base): New function.
3405         (Object::get_incremental_reloc_count): New function.
3406         (Object::do_output_section): New function.
3407         (Object::do_output_section_offset): Moved from Relobj.
3408         (Object::do_get_incremental_reloc_base): New function.
3409         (Object::do_get_incremental_reloc_count): New function.
3410         (Object::Object): Initialize new data members.
3411         (Relobj::output_section): Renamed do_output_section and moved to
3412         protected.
3413         (Relobj::output_section_offset): Moved to Object.
3414         (Relobj::do_get_incremental_reloc_base): New function.
3415         (Relobj::do_get_incremental_reloc_count): New function.
3416         (Relobj::allocate_incremental_reloc_counts): New function.
3417         (Relobj::count_incremental_reloc): New function.
3418         (Relobj::finalize_incremental_relocs): New function.
3419         (Relobj::next_incremental_reloc_index): New function.
3420         (Relobj::reloc_counts_): New data member.
3421         (Relobj::reloc_bases_): New data member.
3422         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3423         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3424         (Sized_relobj::incremental_relocs_scan): New function.
3425         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3426         (Sized_relobj::incremental_relocs_write): New function.
3427         (Sized_relobj::incremental_relocs_write_reltype): New function.
3428         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3429         incremental link.
3430         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3431         archives and object files elsewhere.
3432         (Add_symbols::run): Report object files here.
3433         (Finish_group::run): Report end of archive at end of group.
3434         * reloc.cc: Include layout.h, incremental.h.
3435         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3436         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3437         (Sized_relobj::incremental_relocs_scan): New function.
3438         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3439         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3440         (Sized_relobj::incremental_relocs_write): New function.
3441         (Sized_relobj::incremental_relocs_write_reltype): New function.
3442         * script.cc (read_input_script): Rewrite test for incremental link.
3443         Change call to Incremental_inputs::report_script.
3444         * symtab.h (Symbol_table::first_global_index): New function.
3445         (Symbol_table::output_count): New function.
3447 2010-08-12  Doug Kwan  <dougkwan@google.com>
3449         * arm.cc (Target_arm::merge_object_attributes): Check command line
3450         options --no-wchar-size-warning and --no-enum-size-warning.
3451         * options.h (General_options): Add ld-compatible options
3452         --no-enum-size-warning and --no-wchar-size-warning.
3454 2010-08-04  Ian Lance Taylor  <iant@google.com>
3456         * x86_64.cc (Target_x86_64::Scan::local): Use
3457         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3458         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3459         (Target_x86_64::Scan::global): Likewise.
3460         (Target_x86_64::Relocate::relocate): Likewise.
3461         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3462         Likewise.
3464 2010-08-03  Cary Coutant  <ccoutant@google.com>
3466         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3467         to reserve space in merged_strings vector. Keep total input size
3468         for stats.
3469         (Output_merge_string::do_print_merge_stats): Print total input size.
3470         * merge.h (Output_merge_string): Add input_size_ field.
3471         * stringpool.cc (Stringpool_template::string_length): Move
3472         implementations out of Stringpool_template class and place in
3473         stringpool.h.
3474         * stringpool.h (string_length): Move out of Stringpool_template.
3476 2010-08-03  Ian Lance Taylor  <iant@google.com>
3478         PR 11712
3479         * layout.cc (relaxation_loop_body): If address of load segment is
3480         set, adjust address to include headers if possible.
3482 2010-08-03  Ian Lance Taylor  <iant@google.com>
3484         * version.cc (version_string): Bump to 1.10.
3486 2010-08-03  Ian Lance Taylor  <iant@google.com>
3488         PR 11805
3489         * layout.h (enum Output_section_order): Define.
3490         (class Layout): Update declarations.
3491         * layout.cc (Layout::get_output_section): Add order parameter.
3492         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3493         is_first_non_relro parameters.  Change all callers.
3494         (Layout::choose_output_section): Likewise.
3495         (Layout::add_output_section_data): Likewise.
3496         (Layout::make_output_section): Likewise.  Set order.
3497         (Layout::default_section_order): New function.
3498         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3499         * output.cc (Output_section::Output_section): Initialize order_.
3500         Don't initialize deleted fields.
3501         (Output_segment::Output_segment): Don't initialize deleted
3502         fields.
3503         (Output_segment::add_output_section_to_load): New function
3504         replacing add_output_section.  Change all callers to call this or
3505         add_output_section_to_nonload.
3506         (Output_segment::add_output_section_to_nonload): New function.
3507         (Output_segment::remove_output_section): Rewrite.
3508         (Output_segment::add_initial_output_data): Likewise.
3509         (Output_segment::has_any_data_sections): Likewise.
3510         (Output_segment::is_first_section_relro): Likewise.
3511         (Output_segment::maximum_alignment): Likewise.
3512         (Output_segment::has_dynamic_reloc): New function replacing
3513         dynamic_reloc_count.  Change all callers.
3514         (Output_segment::has_dynamic_reloc_list): New function replacing
3515         dynamic_reloc_count_list.  Change all callers.
3516         (Output_segment::set_section_addresses): Rewrite.
3517         (Output_segment::set_offset): Rewrite.
3518         (Output_segment::find_first_and_last_list): Remove.
3519         (Output_segment::set_tls_offsets): Rewrite.
3520         (Output_segment::first_section_load_address): Likewise.
3521         (Output_segment::output_section_count): Likewise.
3522         (Output_segment::section_with_lowest_load_address): Likewise.
3523         (Output_segment::write_section_headers): Likewise.
3524         (Output_segment::print_sections_to_map): Likewise.
3525         * output.h (class Output_data): Remove dynamic_reloc_count_
3526         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3527         (Output_data::add_dynamic_reloc): Rewrite.
3528         (Output_data::has_dynamic_reloc): New function.
3529         (Output_data::dynamic_reloc_count): Remove.
3530         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3531         is_last_relro_, is_first_non_relro_, is_interp_,
3532         is_dynamic_linker_section_ fields.  Add order and set_order
3533         functions.  Remove is_relro_local, set_is_relro_local,
3534         is_last_relro, set_is_last_relro, is_first_non_relro,
3535         set_is_first_non_relro functions, is_interp, set_is_interp,
3536         is_dynamic_linker_section, and set_is_dynamic_linker_section
3537         functions.
3538         (class Output_segment): Change Output_data_list from std::list to
3539         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3540         output_bss_ fields.  Update declarations.
3542 2010-08-02  Ian Lance Taylor  <iant@google.com>
3544         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3545         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3546         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3548 2010-08-02  Ian Lance Taylor  <iant@google.com>
3550         PR 11855
3551         * script.cc (Script_options::Script_options): Initialize
3552         symbol_definitions_ and symbol_references_.
3553         (Script_options::add_symbol_assignment): Update
3554         symbol_definitions_ and symbol_references_.
3555         (Script_options::add_symbol_reference): New function.
3556         (script_symbol): New function.
3557         * script.h (class Script_options): Add symbol_definitions_ and
3558         symbol_references_ fields.
3559         (Script_options::referenced_const_iterator): New type.
3560         (Script_options::referenced_begin): New function.
3561         (Script_options::referenced_end): New function.
3562         (Script_options::is_referenced): New function.
3563         (Script_options::any_unreferenced): New function.
3564         * script-c.h (script_symbol): Declare.
3565         * yyscript.y (exp): Call script_symbol.
3566         * symtab.cc: Include "script.h".
3567         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3568         Change all callers.  Check symbols referenced by scripts.
3569         (Symbol_table::add_undefined_symbols_from_command_line): Add
3570         layout parameter.  Change all callers.
3571         (Symbol_table::do_add_undefined_symbols_from_command_line):
3572         Likewise.  Break out loop body.  Check symbols referenced by
3573         scripts.
3574         (Symbol_table::add_undefined_symbol_from_command_line): New
3575         function broken out of
3576         do_add_undefined_symbols_from_command_line.
3577         * symtab.h (class Symbol_table): Update declarations.
3578         * archive.cc: Include "layout.h".
3579         (Archive::should_include_member): Add layout parameter.  Change
3580         all callers.  Check for symbol mentioned in expression.
3581         * archive.h (class Archive): Update declaration.
3582         * object.cc (Sized_relobj::do_should_include_member): Add layout
3583         parameter.
3584         * object.h (Object::should_include_member): Add layout parameter.
3585         Change all callers.
3586         (Object::do_should_include_member): Add layout parameter.
3587         (class Sized_relobj): Update declaration.
3588         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3589         parameter.
3590         * dynobj.h (class Sized_dynobj): Update declaration.
3591         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3592         layout parameter.
3593         * plugin.h (class Sized_pluginobj): Update declaration.
3595 2010-08-02  Ian Lance Taylor  <iant@google.com>
3597         PR 11866
3598         * output.cc (Output_segment::set_offset): Search for the first and
3599         last sections rather than assuming that the list is in order.
3600         (Output_segment::find_first_and_last_list): New function.
3601         * output.h (class Output_segment): Update declarations.
3602         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3603         (relro_strip_test_SOURCES): New variable.
3604         (relro_strip_test_DEPENDENCIES): New variable.
3605         (relro_strip_test_LDFLAGS): New variable.
3606         (relro_strip_test_LDADD): New variable.
3607         (relro_strip_test.so): New target.
3609 2010-08-02  Ian Lance Taylor  <iant@google.com>
3611         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3612         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3613         (Target_i386::got_tlsdesc_section): New function.
3614         (Target_i386::got_section): Create space for GOT entries for
3615         TLSDESC relocations.
3616         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3617         R_386_TLS_GOTDESC.
3618         (Target_i386::Scan::global): Likewise.
3619         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3620         using TLSDESC GOT.
3621         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3622         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3623         (Target_x86_64::got_tlsdesc_section): New function.
3624         (Target_x86_64::got_section): Create space for GOT entries for
3625         TLSDESC relocations.
3626         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3627         R_386_TLS_GOTDESC.
3628         (Target_x86_64::Scan::global): Likewise.
3629         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3630         using TLSDESC GOT.
3632 2010-08-02  Ian Lance Taylor  <iant@google.com>
3634         * testsuite/final_layout.sh: Use dc to convert from hex to
3635         decimal.
3637 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3639         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3640         paramter to the call to gold::gc_process_relocs.
3641         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3642         paramter to the call to gold::gc_process_relocs.
3643         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3644         parameter to the call to gold::gc_process_relocs.
3645         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3646         template parameter to the call to gold::gc_process_relocs.
3647         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3648         paramter to the call to gold::gc_process_relocs.
3649         * gc.h (get_embedded_addend_size): New function.
3650         (gc_process_relocs): Save the size of the reloc for use by ICF.
3651         * icf.cc (get_section_contents): Get the addend from the text section
3652         for SHT_REL relocation sections.
3653         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3654         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3655         * int_encoding.h (read_from_pointer): New overloaded function.
3656         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3657         * testsuite/icf_sht_rel_addend_test.sh: New file.
3658         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3659         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3661 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3663         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3664         * Makefile.in: Regenerate.
3665         * testsuite/Makefile.in: Regenerate.
3667 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3669         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3670         * gold/testsuite/debug_msg.cc: Likewise.
3671         * gold/testsuite/odr_violation1.cc
3672         * gold/testsuite/odr_violation2.cc
3674 2010-07-21  Cary Coutant  <ccoutant@google.com>
3676         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3677         string, and length fields.
3678         (Output_merge_string::Merged_strings_list): New type.
3679         (Output_merge_string::Merged_strings_lists): New typedef.
3680         (Output_merge_string): Replace merged_strings_ with
3681         merged_strings_lists_.
3682         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3683         Merged_strings_list per input object and section.  Don't store pointer
3684         to the string.  Don't store length with each merged string entry.
3685         (Output_merge_string::finalize_merged_data): Loop over list of merged
3686         strings lists.  Recompute length of each merged string.
3688 2010-07-15  Cary Coutant  <ccoutant@google.com>
3690         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3691         here.
3693 2010-07-14  Ian Lance Taylor  <iant@google.com>
3695         * descriptors.cc (Descriptors::open): Report correct name in error
3696         message.
3698 2010-07-13  Doug Kwan  <dougkwan@google.com>
3700         * arm.cc (Arm_input_section::Arm_input_section): For a
3701         SHT_ARM_EXIDX section, always keeps the input sections.
3702         (Arm_input_section::set_exidx_section_link): New method.
3703         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3704         has_errors_ to false.
3705         (Arm_exidx_input_section::has_errors,
3706         Arm_exidx_input_section::set_has_errors): New methods.
3707         (Arm_exidx_input_section::has_errors_): New data member.
3708         (Arm_relobj::get_exidx_shndx_list): New method.
3709         (Arm_output_section::append_text_sections_to_list): Do not skip
3710         section without SHF_EXECINSTR.
3711         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3712         errors.
3713         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3714         section header.  Make error messages more verbose.  Check for
3715         a non-executable section linked to an EXIDX section.
3716         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3717         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3718         check that there is no deferred EXIDX section if we exit early.
3719         Instead of not making an EXIDX section in case of an error, make one
3720         and set the has_errors flag of it.
3721         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3722         in a relocatable link.
3723         (Target_arm::do_relax): Look for the EXIDX output section instead of
3724         assuming that it is called .ARM.exidx.
3725         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3726         section list.  Do not check for SHF_EXECINSTR section flags but
3727         skip any input section with errors.
3728         * output.cc (Output_section::Output_section): Initialize
3729         always_keeps_input_sections_ to false.
3730         (Output_section::add_input_section): Check for
3731         always_keeps_input_sections_.
3732         *  output.h (Output_section::always_keeps_input_sections,
3733         Output_section::set_always_keeps_input_sections): New methods.
3734         (Output_section::always_keeps_input_sections): New data member.
3736 2010-07-13  Rafael Espindola  <espindola@google.com>
3738         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3739         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3741 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3742             Ian Lance Taylor  <iant@google.com>
3744         * output.h (Output_section_lookup_maps::add_merge_section):
3745         Correct check of whether value was inserted.
3746         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3747         (Output_section_lookup_maps::add_relaxed_input_section):
3748         Likewise.
3749         * arm.cc (Target_arm::got_section): Remove used local os.
3750         * i386.cc (Target_i386::got_section): Likewise.
3751         * x86_64.cc (Target_x86_64::got_section): Likewise.
3752         * sparc.cc (Target_sparc::got_section): Likewise.
3753         (Target_sparc::relocate): Remove unused local have_got_offset.
3754         * powerpc.cc (Target_powerpc::relocate): Likewise.
3756 2010-07-13  Ian Lance Taylor  <iant@google.com>
3758         * compressed_output.cc (zlib_decompress): Fix signature in
3759         !HAVE_ZLIB_H case.
3761         * archive.cc (Archive::include_member): Unlock an external member
3762         of a thin archive.  Don't bother to delete an object we know is
3763         NULL.
3765 2010-07-12  Cary Coutant  <ccoutant@google.com>
3767         * compressed_output.cc (zlib_decompress): New function.
3768         (get_uncompressed_size): New function.
3769         (decompress_input_section): New function.
3770         * compressed_output.h (get_uncompressed_size): New function.
3771         (decompress_input_section): New function.
3772         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3773         Handle compressed debug sections.
3774         * layout.cc (is_compressed_debug_section): New function.
3775         (Layout::output_section_name): Map compressed section names to
3776         canonical names.
3777         * layout.h (is_compressed_debug_section): New function.
3778         (is_debug_info_section): Recognize compressed debug sections.
3779         * merge.cc: Include compressed_output.h.
3780         (Output_merge_data::do_add_input_section): Handle compressed
3781         debug sections.
3782         (Output_merge_string::do_add_input_section): Handle compressed
3783         debug sections.
3784         * object.cc: Include compressed_output.h.
3785         (Sized_relobj::Sized_relobj): Initialize new data members.
3786         (build_compressed_section_map): New function.
3787         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3788         * object.h (Object::section_is_compressed): New method.
3789         (Object::do_section_is_compressed): New method.
3790         (Sized_relobj::Compressed_section_map): New type.
3791         (Sized_relobj::do_section_is_compressed): New method.
3792         (Sized_relobj::compressed_sections_): New data member.
3793         * output.cc (Output_section::add_input_section): Handle compressed
3794         debug sections.
3795         * reloc.cc: Include compressed_output.h.
3796         (Sized_relobj::write_sections): Handle compressed debug sections.
3798 2010-07-08  Cary Coutant  <ccoutant@google.com>
3800         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3801         weak when resolving to a dynamic def.
3802         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3803         for weak undef/dynamic def cases. Adjust callers.
3804         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3805         undef_binding_weak_.
3806         (Symbol_table::sized_write_globals): Adjust symbol binding.
3807         (Symbol_table::sized_write_symbol): Add binding parameter.
3808         * symtab.h (Symbol::set_undef_binding): New method.
3809         (Symbol::is_undef_binding_weak): New method.
3810         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3811         (Symbol_table::should_override): Add new parameter.
3812         (Symbol_table::sized_write_symbol): Add new parameter.
3814         * testsuite/weak_undef_file1.cc: Add new test case.
3815         * testsuite/weak_undef_file2.cc: Fix header comment.
3816         * testsuite/weak_undef_test.cc: Add new test case.
3818 2010-06-29  Doug Kwan  <dougkwan@google.com>
3820         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3821         Initialize USE_SYMBOL_.
3822         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3823         definition.
3824         (Arm_reloc_property::uses_symbol_): New data member declaration.
3825         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3826         uses symbol value and symbol is undefined but not weakly undefined.
3828 2010-06-28  Rafael Espindola  <espindola@google.com>
3830         * plugin.cc (Plugin::load): Use dlerror.
3832 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3834         * symtab.cc (detect_odr_violations): When reporting an ODR
3835         violation, report an object where the symbol is defined.
3837 2010-06-25  Doug Kwan  <dougkwan@google.com>
3839         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3840         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3841         definition.
3842         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3843         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3844         target hook to detect function points.
3845         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3846         * icf.h (Icf::check_section_for_function_pointers): Change type of
3847         parameter SECTION_NAME to const reference to std::string.  Use
3848         target hook to determine if section may have unsafe pointers.
3849         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3850         method definition.
3852 2010-06-21  Rafael Espindola  <espindola@google.com>
3854         * fileread.cc (Input_file::find_fie): New
3855         (Input_file::open): Use Input_file::find_fie.
3856         * fileread.h (Input_file::find_fie): New
3857         * plugin.cc (set_extra_library_path): New.
3858         (Plugin::load): Add set_extra_library_path to the transfer vector.
3859         (Plugin_manager::set_extra_library_path): New.
3860         (Plugin_manager::add_input_file): Use the extra search path if set.
3861         (set_extra_library_path(): New.
3862         * plugin.h (Plugin_manager): Add set_extra_library_path and
3863         extra_search_path_.
3865 2010-06-19  Cary Coutant  <ccoutant@google.com>
3867         * layout.cc (gdb_sections): Add .debug_types.
3868         (lines_only_debug_sections): Likewise.
3870 2010-06-18  Rafael Espindola  <espindola@google.com>
3872         * plugin.cc (add_input_file,add_input_library)
3873         (Plugin_manager::add_input_file): Make filename arguments const.
3874         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3875         const.
3877 2010-06-16  Doug Kwan  <dougkwan@google.com>
3879         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3880         .ARM.attributes section if we have not merged any input
3881         attributes sections.
3883 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3885         * arm.cc: Allow combining objects with no EABI version
3886         information.
3888 2010-06-15  Rafael Espindola  <espindola@google.com>
3890         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3892 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3894         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3895         (struct iovec): Correct !HAVE_READV definition.
3897 2010-06-10  Cary Coutant  <ccoutant@google.com>
3899         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3900         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3901         reloc sections.
3902         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3904         PR 11683
3905         * symtab.h (Symbol::is_placeholder): New member function.
3906         * target-reloc.h (relocate_section): Check for placeholder symbols.
3908         * testsuite/Makefile.am (plugin_test_8): New test.
3909         (plugin_test_9): New test.
3910         * testsuite/Makefile.in: Regenerate.
3912 2010-06-09  Nick Clifton  <nickc@redhat.com>
3914         * yyscript.y (input_list_element): Allow strings prefixed with
3915         the '-' character.  Treat these as libraries.
3916         * script.cc (script_add_library): New function.  Adds a library
3917         specified by "-l<name>" found in an input script.
3918         * script-c.h: Add prototype for script_add_library.
3920 2010-06-07  Doug Kwan  <dougkwan@google.com>
3922         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3923         Restrict stub-group size to be within long conditional branch
3924         range when working around cortex-A8 erratum.
3926 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3928         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3929         #ifdef typo.
3931 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3933         PR gold/11658
3934         * output.cc
3935         (Output_section::Input_section_sort_entry::compare_section_ordering):
3936         Change to return non-zero correctly.
3937         (Output_section::Input_section_sort_section_order_index_compare
3938         ::operator()): Change to fix ambiguity in comparisons.
3940 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3942         * gold.h (is_wildcard_string): New function.
3943         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3944         (Layout::layout_eh_frame): Ditto.
3945         (Layout::find_section_order_index): New method.
3946         (Layout::read_layout_from_file): New method.
3947         * layout.h (Layout::find_section_order_index): New method.
3948         (Layout::read_layout_from_file): New method.
3949         (Layout::input_section_position_): New private member.
3950         (Layout::input_section_glob_): New private member.
3951         * main.cc (main): Call read_layout_from_file here.
3952         * options.h (--section-ordering-file): New option.
3953         * output.cc (Output_section::input_section_order_specified_): New
3954         member.
3955         (Output_section::Output_section): Initialize new member.
3956         (Output_section::add_input_section): Add new parameter.
3957         Keep input sections when --section-ordering-file is used.
3958         (Output_section::set_final_data_size): Sort input sections when
3959         section ordering file is specified.
3960         (Output_section::Input_section_sort_entry): Add new parameter.
3961         Check sorting type.
3962         (Output_section::Input_section_sort_entry::compare_section_ordering):
3963         New method.
3964         (Output_section::Input_section_sort_compare::operator()): Change to
3965         consider section_order_index.
3966         (Output_section::Input_section_sort_init_fini_compare::operator()):
3967         Change to consider section_order_index.
3968         (Output_section::Input_section_sort_section_order_index_compare
3969         ::operator()): New method.
3970         (Output_section::sort_attached_input_sections): Change to sort
3971         according to section order when specified.
3972         (Output_section::add_input_section<32, true>): Add new parameter.
3973         (Output_section::add_input_section<64, true>): Add new parameter.
3974         (Output_section::add_input_section<32, false>): Add new parameter.
3975         (Output_section::add_input_section<64, false>): Add new parameter.
3976         * output.h (Output_section::add_input_section): Add new parameter.
3977         (Output_section::input_section_order_specified): New
3978         method.
3979         (Output_section::set_input_section_order_specified): New method.
3980         (Input_section::Input_section): Initialize section_order_index_.
3981         (Input_section::section_order_index): New method.
3982         (Input_section::set_section_order_index): New method.
3983         (Input_section::section_order_index_): New member.
3984         (Input_section::Input_section_sort_section_order_index_compare): New
3985         struct.
3986         (Output_section::input_section_order_specified_): New member.
3987         * script-sections.cc (is_wildcard_string): Delete and move modified
3988         method to gold.h.
3989         (Output_section_element_input::Output_section_element_input): Modify
3990         call to is_wildcard_string.
3991         (Output_section_element_input::Input_section_pattern
3992         ::Input_section_pattern): Ditto.
3993         (Output_section_element_input::Output_section_element_input): Ditto.
3994         * testsuite/Makefile.am (final_layout): New test case.
3995         * testsuite/Makefile.in: Regenerate.
3996         * testsuite/final_layout.cc: New file.
3997         * testsuite/final_layout.sh: New file.
3999 2010-06-01  Rafael Espindola  <espindola@google.com>
4001         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4003 2010-06-01  Rafael Espindola  <espindola@google.com>
4005         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4006         visibility of symbols.
4008 2010-05-27  Doug Kwan  <dougkwan@google.com>
4010         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4011         from start of output section instead of address for a local symbol
4012         in a merged or relaxed section when doing a relocatable link.
4014 2010-05-26  Rafael Espindola  <espindola@google.com>
4016        PR 11604
4017         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4018         adding sections the garbage collector removed.
4019         * gold/testsuite/Makefile.am: Add test.
4020         * gold/testsuite/Makefile.in: Regenerate.
4021         * gold/testsuite/plugin_test_7.sh: New.
4022         * gold/testsuite/plugin_test_7_1.c: New.
4023         * gold/testsuite/plugin_test_7_2.c: New.
4025 2010-05-26  Rafael Espindola  <espindola@google.com>
4027         * script-sections.cc (Output_section_definition::set_section_addresses):
4028         Check for --section-start.
4030 2010-05-26  Doug Kwan  <dougkwan@google.com>
4032         * arm.cc (Arm_scan_relocatable_relocs): New class.
4033         (Target_arm::relocate_special_relocatable): New method.
4034         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4035         (Arm_relocate_functions::thumb_branch_common): Same.
4036         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4037         instead of Default_scan_relocatable_relocs.
4038         * target-reloc.h (relocate_for_relocatable): Let target handle
4039         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4040         * target.h (Sized_target::relocate_special_relocatable): New method.
4042 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4044         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4046 2010-05-23  Doug Kwan  <dougkwan@google.com>
4048         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4049         instead of a cast.
4050         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4051         with a direct branch, not a conditional branch, to a stub.
4052         * merge.cc (Output_merge_base::record_input_section): New method
4053         defintion.
4054         (Output_merge_data::do_add_input_section): Record input section if
4055         keeps-input-sections flag is set.
4056         (Output_merge_string::do_add_input_section): Ditto.
4057         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4058         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4059         INPUT_SECTIONS_.
4060         (Output_merge_base::keeps_input_sections,
4061         Output_merge_base::set_keeps_input_sections,
4062         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4063         method definitions.
4064         (Output_merge_base::Input_sections): New type declaration.
4065         (Output_merge_base::input_sections_begin,
4066         Output_merge_base::input_sections_end,
4067         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4068         (Output_merge_base::bool keeps_input_sections_,
4069         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4070         Output_merge_base::input_sections_): New data members.
4071         (Output_merge_data::do_set_keeps_input_sections): New method
4072         defintion.
4073         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4074         * output.cc (Output_section::Input_section::relobj): Move method
4075         defintion from class declaration to here and handle merge sections.
4076         (Output_section::Input_section::shndx): Ditto.
4077         (Output_section::Output_section): Remove initializations of removed
4078         data members and initialize new data member LOOKUP_MAPS_.
4079         (Output_section::add_input_section): Set keeps-input-sections flag
4080         for a newly created merge output section as appropriate.  Adjust code
4081         to use Output_section_lookup_maps class.
4082         (Output_section::add_relaxed_input_section): Adjst code for lookup
4083         maps code refactoring.
4084         (Output_section::add_merge_input_section): Add a new parameter
4085         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4086         class.  If adding input section to a newly created merge output
4087         section fails, remove the new merge section.
4088         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4089         Adjust code for use of the Output_section_lookup_maps class.
4090         (Output_section::find_merge_section): Ditto.
4091         (Output_section::build_lookup_maps): New method defintion.
4092         (Output_section::find_relaxed_input_section): Adjust code to use
4093         Output_section_lookup_maps class.
4094         (Output_section::get_input_sections): Export merge sections.  Adjust
4095         code to use Output_section_lookup_maps class.
4096         (Output_section:::add_script_input_section): Adjust code to use
4097         Output_section_lookup_maps class.  Update lookup maps for merge
4098         sections also.
4099         (Output_section::discard_states): Use Output_section_lookup_maps.
4100         (Output_section::restore_states): Same.
4101         * output.h (Merge_section_properties): Move class defintion out of
4102         Output_section.
4103         (Output_section_lookup_maps): New class.
4104         (Output_section::Input_section::is_merge_section): New method
4105         defintion.
4106         (Output_section::Input_section::relobj): Move defintion out of class
4107         defintion.  Declare method only.
4108         (Output_section::Input_section::shndx): Ditto.
4109         (Output_section::Input_section::output_merge_base): New method defintion.
4110         (Output_section::Input_section::u2_.pomb): New union field.
4111         (Output_section::Merge_section_by_properties_map,
4112         Output_section::Output_section_data_by_input_section_map,
4113         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4114         Remove types.
4115         (Output_section::add_merge_input_section): Add new parameter
4116         KEEPS_INPUT_SECTIONS.
4117         (Output_section::build_lookup_maps): New method declaration.
4118         (Output_section::merge_section_map_,
4119         Output_section::merge_section_by_properties_map_,
4120         Output_section::relaxed_input_section_map_,
4121         Output_section::is_relaxed_input_section_map_valid_): Remove data
4122         members.
4123         (Output_section::lookup_maps_): New data member.
4125 2010-05-21  Doug Kwan  <dougkwan@google.com>
4127         PR gold/11619
4128         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4129         avoid a compilation error.
4131 2010-05-19  Rafael Espindola  <espindola@google.com>
4133         * script-sections.cc (Output_section_definition::allocate_to_segment):
4134         Update the phdrs_list even when the output section is NULL.
4135         * testsuite/Makefile.am: Add test.
4136         * testsuite/Makefile.in: Regenerate.
4137         * testsuite/script_test_9.cc: New.
4138         * testsuite/script_test_9.sh: New.
4139         * testsuite/script_test_9.t: New.
4141 2010-05-19  Doug Kwan  <dougkwan@google.com>
4143         * arm.cc (Arm_input_section::original_size): New method.
4144         (Arm_input_section::do_addralign): Add a cast.
4145         (Arm_input_section::do_output_offset): Remove static cast.
4146         (Arm_input_section::original_addralign,
4147          Arm_input_section::original_size_): Change type to uint32_t.
4148         (Arm_input_section::init): Add safe casts for section alignment
4149         and size.
4150         (Arm_input_section::set_final_data_size): Do not set address and
4151         offset of stub table.
4152         (Arm_output_section::fix_exidx_coverage): Change use of of
4153         Output_section::Simple_input_section to that of
4154         Output_section::Input_section.
4155         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4156         except for the first pass.
4157         * output.cc (Output_section::get_input_sections): Change type of
4158         input_sections to std::list<Input_section>.
4159         (Output_section::add_script_input_section): Rename from
4160         Output_section::add_simple_input_section.  Change type of SIS
4161         parameter from Simple_input_section to Input_section.
4162         * output.h (Output_section::Simple_input_section): Remove class.
4163         (Output_section::Input_section): Change class visibility to public.
4164         (Output_section::Input_section::addralign): Use stored alignments
4165         for special input sections if set.
4166         (Output_section::Input_section::set_addralign): New method.
4167         (Output_section::get_input_sections): Change parameter type from
4168         list of Simple_input_section to list of Input_section.
4169         (Output_section::add_script_input_section): Rename from
4170         Output_section::add_simple_input_section. Change first parameter's
4171         type from Simple_input_section to Input_section and remove the
4172         second and third parameters.
4173         * script-sections.cc (Input_section::Input_section_list): Change
4174         type to list of Output_section::Input_section/
4175         (Input_section_info::Input_section_info): Change parameter type of
4176         INPUT_SECTION to Output_section::Input_section.
4177         (Input_section_info::input_section): Change return type.
4178         (Input_section_info::input_section_): Change type to
4179         Output_section::Input_section.
4180         (Output_section_element_input::set_section_addresses): Adjust code
4181         to use Output_section::Input_section instead of
4182         Output_section::Simple_input_section.  Adjust code for renaming
4183         of Output_section::add_simple_input_section.
4184         (Orphan_output_section::set_section_addresses): Ditto.
4186 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4188         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4189         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4191 2010-05-18  Rafael Espindola  <espindola@google.com>
4193         * options.cc (General_options::finalize): Handle -nostdlib.
4194         * options.h (nostdlib): New option.
4195         * script.cc (script_add_search_dir): Handle -nostdlib.
4197 2010-05-12  Doug Kwan  <dougkwan@google.com>
4199         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4200         attributes section only if there no attributes section after merging.
4201         (Target_arm::merge_object_attributes): Move value of
4202         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4203         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4204         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4205         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4206         and arm_attr_merge_7.stdout.
4207         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4208         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4209         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4210         arm_attr_merge_7b.o): New rules.
4211         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4212         arm_attr_merge_7
4213         * testsuite/Makefile.in: Regenerate.
4214         * testsuite/arm_attr_merge.sh: New file.
4215         * testsuite/arm_attr_merge_[67][ab].s: Same.
4217 2010-05-05  Nick Clifton  <nickc@redhat.com>
4219         * po/es.po: Updated Spanish translation.
4221 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4223         * Makefile.am (install-exec-local): Properly install gold as
4224         default cross linker.
4225         * Makefile.in: Regenerated.
4227 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4228             Nick Clifton  <nickc@redhat.com>
4230         * configure.ac (install_as_default): Define and set to false
4231         unless --enable-gold or --enable-gold=both/gold has been
4232         specified.
4233         * configure: Regenerate.
4235         * Makefile.am (install-exec-local): Install the executable as
4236         'ld.gold'.  If install_as_default is true then also install it as
4237         'ld'.
4238         * Makefile.in: Regenerated.
4240 2010-04-24  Ian Lance Taylor  <iant@google.com>
4242         * layout.cc (Layout::layout_reloc): In relocatable link don't
4243         combine reloc sections for grouped sections.
4245 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4247         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4248         sections that are not ordinary to icf.
4249         * icf.cc (get_section_contents): Handle relocation pointing to section
4250         with no object or shndx information.
4251         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4252         * testsuite/Makefile.in: Regenerate.
4253         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4254         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4256 2010-04-22  Ian Lance Taylor  <iant@google.com>
4258         * expression.cc (Expression::Expression_eval_info): Add
4259         result_alignment_pointer field.
4260         (Expression::eval_with_dot): Add result_alignment_pointer
4261         parameter.  Change all callers.
4262         (Expression::eval_maybe_dot): Likewise.
4263         (class Binary_expression): Add alignment_pointer parameter to
4264         left_value and right_value.  Change all callers.
4265         (BINARY_EXPRESSION): Set result alignment.
4266         (class Trinary_expression): Add alignment_pointer parameter to
4267         arg2_value and arg3_value.  Change all callers.
4268         (Trinary_cond::value): Set result alignment.
4269         (Max_expression::value, Min_expression::value): Likewise.
4270         (Align_expression::value): Likewise.
4271         * script-sections.cc (class Sections_element): Add dot_alignment
4272         parameter to set_section_addresses virtual function.  Update
4273         instantiations.
4274         (class Output_section_element): Likewise.
4275         (Script_sections::create_segments): Add dot_alignment parameter.
4276         Change all callers.
4277         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4278         (Script_sections::set_phdrs_clause_addresses): Likewise.
4279         * script-sections.h: Update declarations.
4280         * script.h: Update declarations.
4281         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4282         min_p_align.
4283         * testsuite/script_test_3.t: Set large alignment.
4284         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4285         segment has expected alignment.
4287 2010-04-22  Nick Clifton  <nickc@redhat.com>
4289         * po/gold.pot: Updated by the Translation project.
4290         * po/vi.po: Updated Vietnamese translation.
4292 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4294         * testsuite/Makefile.am (check_PROGRAMS): Add
4295         icf_virtual_function_folding_test.
4296         * testsuite/Makefile.in: Regenerated.
4298 2010-04-15  Andrew Haley  <aph@redhat.com>
4300         * options.h (merge_exidx_entries): New option.
4301         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4302         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4303         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4304         (Target_arm::merge_exidx_entries): New function.
4305         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4306         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4307         to Arm_exidx_fixup constructor.
4308         Add new arg, merge_exidx_entries.
4309         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4310         Arm_output_section::fix_exidx_coverage.
4312 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4314         * icf.cc (get_section_contents): Check for preemptible functions.
4315         Ignore addend when appropriate.
4316         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4317         section folded.
4318         (add_from_relobj): Check for section folded.
4319         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4320         * symtab.h (should_add_dynsym_entry): Add new parameter.
4321         * target-reloc.h (scan_relocs): Check for section folded.
4322         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4323         Check reloc types for function pointers in shared objects.
4324         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4325         case.
4326         (icf_preemptible_functions_test): New test case.
4327         (icf_string_merge_test): New test case.
4328         * testsuite.Makefile.in: Regenerate.
4329         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4330         bar_glob.  Refactor code.
4331         * testsuite/icf_preemptible_functions_test.cc: New file.
4332         * testsuite/icf_preemptible_functions_test.sh: New file.
4333         * testsuite/icf_string_merge_test.cc: New file.
4334         * testsuite/icf_string_merge_test.sh: New file.
4335         * testsuite/icf_virtual_function_folding_test.cc: New file.
4336         * testsuite/icf_virtual_function_folding_test.sh: New file.
4338 2010-04-14  Doug Kwan  <dougkwan@google.com>
4340         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4341         for local symbol recounting if we remove a section due to ICF.
4342         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4343         there are no regular objects in input.
4345 2010-04-13  Doug Kwan  <dougkwan@google.com>
4347         * arm.cc (Arm_input_section::set_final_data_size): Compute
4348         accurate final data size instead of using current data size.
4350 2010-04-09  Doug Kwan  <dougkwan@google.com>
4352         * layout.cc (Layout::choose_output_section): Handle script section
4353         types.
4354         (Layout::make_output_section_for_script): Add section type parameter.
4355         Handle script section types.
4356         * layout.h (Layout::make_output_section_for_script): Add section
4357         type parameter.
4358         * output.cc (Output_section::Output_section): Initialize data member
4359         is_noload_.
4360         (Output_section::do_reset_address_and_file_offset): Do not set address
4361         to 0 if section is a NOLOAD section.
4362         * output.h (Output_section::is_noload): New method.
4363         (Output_section::set_is_noload): Ditto.
4364         (Output_section::is_noload_): New data member.
4365         * script-c.h (Script_section_type): New enum type.
4366         (struct Parser_output_section_header): Add new file section_type.
4367         * script-sections.cc (Sections_element::output_section_name): Add
4368         parameter for returning script section type.
4369         (Output_section_definition::output_section_name): Ditto.
4370         (Output_section_definition::section_type)P; New method.
4371         (Output_section_definiton::script_section_type_name): Ditto.
4372         (Output_section_definition::script_section_type_): New data member.
4373         (Output_section_definition::Output_section_definition): Initialize
4374         data member Output_section_definition::script_section_type_.
4375         (Output_section_definition::create_sections): Pass script section type
4376         to Layout::make_output_section_for_script.
4377         (Output_section_definition::output_section_name): Return script
4378         section type to caller.
4379         (Output_section_definition::set_section_address): Do not advance
4380         dot value and load address if section type is NOLOAD.  Set address
4381         of NOLOAD sections regardless of section flags.
4382         (Output_section_definition::print): Print section type if it is
4383         not SCRIPT_SECTION_TYPE_NONE.
4384         (Output_section_definition::section_type): New method.
4385         (Output_section_definition::script_section_type_name): Ditto.
4386         (Script_sections::output_section_name): Add new parameter
4387         PSECTION_TYPE for returning script section type.  Pass it to
4388         section elements.  Handle discard sections.
4389         (Sort_output_sections::operator()): Handle NOLOAD sections.
4390         * script-sections.h (Script_sections::Section_type): New enum type.
4391         (Script_sections::output_section_name): Add a new parameter for
4392         returning script section type.
4393         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4394         INFO and NOLOAD.
4395         * yyscript.y (union): Add new field SECTION_TYPE.
4396         (COPY, DSECT, INFO, NOLOAD): New tokens.
4397         (opt_address_and_section_type): Change type to output_section_header.
4398         (section_type): New non-terminal
4399         (section_header): Handle section type.
4400         (opt_address_and_section_type): Return section type value.
4402 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4404         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4405         * testsuite/plugin_common_test_2.c (foo): Likewise.
4407 2010-04-08  Doug Kwan  <dougkwan@google.com>
4409         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4410         Output_merge_data.
4411         * output.cc (Output_section::add_merge_input_section): Simplify
4412         code and return status of Output_merge_base::add_input_section.
4413         Update merge section map only if Output_merge_base::add_input_section
4414         returns true.
4416 2010-04-07  Doug Kwan  <dougkwan@google.com>
4418         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4419         if section is marked as containing instructions but has no mapping
4420         symbols.
4421         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4422         correct section index.
4423         (Arm_relobj::find_linked_text_section): Ditto.
4425 2010-04-07  Cary Coutant  <ccoutant@google.com>
4427         * archive.cc (include_member): Destroy Read_symbols_data object before
4428         releasing file.
4429         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4430         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4431         (Read_symbols_data::~Read_symbols_data) New destructor.
4432         (Section_relocs::Section_relocs) New constructor.
4433         (Section_relocs::~Section_relocs) New destructor.
4434         (Read_relocs_data::Read_relocs_data) New constructor.
4435         (Read_relocs_data::~Read_relocs_data) New destructor.
4436         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4437         pointers to NULL after deleting.
4439 2010-04-07  Doug Kwan  <dougkwan@google.com>
4441         * arm.cc: Replace "endianity" with "endianness" in comments.
4442         (Arm_exidx_cantunwind): Ditto.
4443         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4444         (Arm_relobj::merge_flags_and_attributes): New method.
4445         (Arm_relobj::merge_flags_and_attributes_): New data member.
4446         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4447         (Arm_relobj::scan_sections_for_stubs): Ditto.
4448         (Arm_relobj::do_read_symbols): Check to see if we really want to
4449         merge processor-specific flags and attributes.  Exit early if
4450         an object is empty except for section names and the undefined symbol.
4451         (Target_arm::do_finalize_sections): Move check for ELF format to
4452         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4453         attributes from a regular object only when we have determined that
4454         it is aapropriate.  Do not create an .ARM.attributes section in
4455         output if there is no regular input object.
4456         (Target_arm::merge_processor_specific_flags): Check
4457         --warn-mismatch before printing any error.
4458         (Target_arm::merge_object_attributes): Ditto.
4459         * gold.cc (queue_middle_tasks): Handle the case in which there is
4460         no regular object in input.
4461         * options.cc (General_options::parse_EB): New method.
4462         (General_options::parse_EL): Same.
4463         (General_options::General_options): Initialize endianness_.
4464         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4465         New options.
4466         (General_options::Endianness): New enum.
4467         (General_options::endianness): New method.
4468         (General_options::endianness_): New data member.
4469         * parameters.cc (Parameters::set_options): Check target endianness.
4470         (Parameters::set_target_once): Ditto.
4471         (Parameters::check_target_endianness): New method.
4472         (parameters_force_valid_target): If either -EL or -EB is specified,
4473         use it to define endianness of default target.
4474         * parameters.h (Parameters::check_target_endianness): New method
4475         declaration.
4476         * target.h (class Target): Change "endianity" to "endianness"
4477         in comments.
4479 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4481         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4482         * configure: Regenerate.
4483         * Makefile.in: Regenerate.
4484         * testsuite/Makefile.in: Regenerate.
4486 2010-04-06  Cary Coutant  <ccoutant@google.com>
4488         gcc PR lto/42757
4489         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4490         prevailing definitions of common symbols.
4491         * testsuite/plugin_test_6.sh: New test case.
4492         * testsuite/plugin_common_test_1.c: New test case.
4493         * testsuite/plugin_common_test_2.c: New test case.
4494         * testsuite/Makefile.am (plugin_test_6): New test case.
4495         * testsuite/Makefile.in: Regenerate.
4497 2010-04-06  Nick Clifton  <nickc@redhat.com>
4499         * po/vi.po: New Vietnamese translation.
4501 2010-03-30  Doug Kwan  <dougkwan@google.com>
4503         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4505 2010-03-25  Doug Kwan  <dougkwan@google.com>
4507         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4508         to avoid a conversion warning on a 32-bit host.
4510 2010-03-24  Ian Lance Taylor  <iant@google.com>
4512         * testsuite/script_test_3.t: Add a TLS segment.
4513         * testsuite/Makefile.am (check_PROGRAMS): Add
4514         tls_phdrs_script_test.
4515         (tls_phdrs_script_test_SOURCES): Define.
4516         (tls_phdrs_script_test_DEPENDENCIES): Define.
4517         (tls_phdrs_script_test_LDFLAGS): Define.
4518         (tls_phdrs_script_test_LDADD): Define.
4519         * testsuite/Makefile.in: Rebuild.
4521 2010-03-23  Cary Coutant  <ccoutant@google.com>
4523         * fileread.cc (find_or_make_view): Fix comment.
4525 2010-03-23  Ian Lance Taylor  <iant@google.com>
4527         * script-sections.cc (class Orphan_section_placement): Define
4528         PLACE_TLS and PLACE_TLS_BSS.
4529         (Orphan_section_placement::Orphan_section_placement): Initialize
4530         new places.
4531         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4532         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4533         (tls_script_test_SOURCES): Define.
4534         (tls_script_test_DEPENDENCIES): Define.
4535         (tls_script_test_LDFLAGS): Define.
4536         (tls_script_test_LDADD): Define.
4537         * testsuite/Makefile.in: Rebuild.
4539 2010-03-22  Doug Kwan  <dougkwan@google.com>
4541         * arm.cc (Arm_relocate_functions::abs8,
4542         Arm_relocate_functions::abs16): Use correct check for overflow
4543         specified in the ARM ELF specs.
4544         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4545         target of a BLX instruction specially.
4546         (Reloc_stub::stub_type_for_reloc): Ditto.
4547         (Relocate::relocate): Use symbolic names instead of numeric relocation
4548         codes to report error.
4549         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4550         workaround.
4551         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4552         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4553         thumb2_blx_out_of_range.stdout
4554         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4555         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4556         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4557         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4558         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4559         thumb2_blx_in_range, thumb2_blx_in_range.o,
4560         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4561         thumb2_blx_out_of_range.o): New rules.
4562         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4563         thumb2_blx_in_range and thumb2_blx_out_of_range.
4564         * testsuite/Makefile.in: Regenerate.
4565         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4566         * testsuite/thumb_blx_in_range.s: New file.
4567         * testsuite/thumb_blx_out_of_range.s: New file.
4569 2010-03-22  Rafael Espindola  <espindola@google.com>
4571         * archive.cc (Should_include): Move to archive.h.
4572         (should_include_member): Make it a member of Archive.
4573         (Lib_group): New.
4574         (Add_lib_group_symbols): New.
4575         * archive.h: Include options.h.
4576         (Archive_member): Moved from Archive.
4577         (Should_include): Moved from archive.cc.
4578         (Lib_group): New.
4579         (Add_lib_group_symbols): New.
4580         * dynobj.cc (do_should_include_member): New.
4581         * dynobj.h (do_should_include_member): New.
4582         * gold.cc (queue_initial_tasks): Update call to queue.
4583         * main.cc (main): Print lib group stats.
4584         * object.cc (do_should_include_member): New.
4585         * object.h: Include archive.h.
4586         (Object::should_include_member): New.
4587         (Object::do_should_include_member): New.
4588         (Sized_relobj::do_should_include_member): New.
4589         * options.cc (General_options::parse_start_lib): New.
4590         (General_options::parse_end_lib): New.
4591         (Input_arguments::add_file): Handle lib groups.
4592         (Input_arguments::start_group): Check we are not in a lib.
4593         (Input_arguments::start_lib): New.
4594         (Input_arguments::end_lib): New.
4595         * options.h (General_options): Add start_lib and end_lib.
4596         (Input_argument::lib_): New.
4597         (Input_argument::lib): New.
4598         (Input_argument::is_lib): New.
4599         (Input_file_lib): New.
4600         (Input_arguments::in_lib_): New.
4601         (Input_arguments::in_lib): New.
4602         (Input_arguments::start_lib): New.
4603         (Input_arguments::end_lib_): New.
4604         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4605         in unused members as preempted.
4606         (Sized_pluginobj::do_should_include_member): New.
4607         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4608         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4609         return the blocker.
4610         (Read_symbols::do_whole_lib_group): New.
4611         (Read_symbols::do_lib_group): New.
4612         (Read_symbols::do_read_symbols): Handle lib groups.
4613         (Read_symbols::get_name): Handle lib groups.
4614         * readsyms.h (Read_symbols): Add an archive member pointer.
4615         (Read_symbols::do_whole_lib_group): New.
4616         (Read_symbols::do_lib_group): New.
4617         (Read_symbols::member_): New.
4618         * script.cc (read_input_script): Update call to queue_soon.
4620 2010-03-19  Doug Kwan  <dougkwan@google.com>
4622         * arm.cc (Stub_table::Stub_table): Initialize new data members
4623         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4624         (Stub_table::add_reloc_stub): Assign stub offset and update
4625         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4626         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4627         New data members.
4628         (Stub_table::update_data_size_and_addralign): Use
4629         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4630         instead of going over all reloc stubs.
4631         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4632         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4633         Stringpool_template::offset_ to size of Stringpool_char.
4634         (Stringpool_template::new_key_offset): Remove code to initialize
4635         Stringpool_template::offset_.
4636         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4637         Stringpool_template::offset_ to zero.
4639 2010-03-15  Doug Kwan  <dougkwan@google.com>
4641         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4642         offset_.
4643         (Stringpool_template::new_key_offset): New method.
4644         (Stringpool_template::add_string): Assign offsets when adding new
4645         strings.
4646         (Stringpool_template::set_string_offsets): Do not set string offsets
4647         when not optimizing.
4648         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4649         member size_.
4650         (Chunked_vector::clear): Clear size_.
4651         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4652         (Chunked_vector::size): Return size_.
4653         (Chunked_vector::push_back): Use size_ to find insert position.
4654         (Chunked_vector::size_): New data member.
4655         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4656         (Stringpool_template::new_key_offset): New method declaration.
4657         (Stringpool_template::offset_): New data member.
4659 2010-03-15   Rafael Espindola  <espindola@google.com>
4661         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4662         Add_symbols' constructor.
4663         * readsyms.h (Add_symbols): Remove the input_group member.
4665 2010-03-10  Ian Lance Taylor  <iant@google.com>
4667         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4668         target to ask whether a reference to a symbol requires a stack
4669         split.
4670         * target.h (Target::is_call_to_non_split): New function.
4671         (Target::do_is_call_to_non_split): Declare virtual function.
4672         * target.cc: Include "symtab.h".
4673         (Target::do_is_call_to_non_split): New function.
4674         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4676 2010-03-10  Cary Coutant  <ccoutant@google.com>
4678         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4679         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4680         (File_read::open[2]): Add whole_file_view_ to list of views.
4681         (File_read::make_view): Remove test of whole_file_view_.
4682         (File_read::find_or_make_view): Create whole_file_view_ if
4683         necessary.
4684         (File_read::clear_views): Replace bool parameter with enum;
4685         adjust all callers.  Don't delete views with permanent data;
4686         do delete cached views and views from archives if
4687         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4688         if clearing the corresponding view.
4689         * fileread.h (File_read::Clear_views_mode): New enum.
4690         (File_read::View::is_permanent_view): New method.
4691         (File_read::clear_views): Replace bool parameter
4692         with enum; adjust all callers.
4693         * options.h (General_options): Change keep_files_mapped option;
4694         add map_whole_files.
4695         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4696         releasing the file.
4697         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4698         the file.
4700 2010-03-10  David S. Miller  <davem@davemloft.net>
4702         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4704 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4706         * icf.cc (get_section_contents): Add '@' marker after processing the
4707         merge reloc.
4709 2010-03-08  Doug Kwan  <dougkwan@google.com>
4711         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4712         due to a conversion warning.
4713         (Arm_relobj::update_output_local_symbol_count): Check for local
4714         symbol with unset output index.
4716 2010-03-05  Ian Lance Taylor  <iant@google.com>
4718         * options.h (class General_options): Add --spare-dynamic-tags.
4719         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4720         --spare-dynamic-tags.
4722 2010-03-05  Ian Lance Taylor  <iant@google.com>
4724         * incremental.cc: Include "libiberty.h".
4726 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4728         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4729         function, is_info_ member.
4730         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4731         (Versions::Versions): Update caller.
4732         (Versions::define_base_version): Likewise.
4733         (Versions::add_def): Likewise.
4735 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4737         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4738         (Scan::possible_function_pointer_reloc): New function.
4739         (Scan::local_reloc_may_be_function_pointer): Change to call
4740         possible_function_pointer_reloc.
4741         (Scan::global_reloc_may_be_function_pointer): Ditto.
4742         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4743         relocations in ".data.rel.ro._ZTV" section.
4744         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4745         * testsuite/icf_safe_so_test.cc: Ditto.
4746         * testsuite/icf_safe_test.cc: Ditto.
4747         * testsuite/icf_safe_test.sh: Ditto.
4749 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4750             Ian Lance Taylor  <iant@google.com>
4752         * target-reloc.h (relocate_section): Check the symbol table index
4753         for -1U before setting the local symbol index.
4754         (scan_relocatable_relocs): If copying the relocation, record that
4755         the local symbol is required.
4756         * object.h (Symbol_value::is_output_symtab_index_set): New
4757         function.
4758         (Symbol_value::may_be_discarded_from_output_symtab): New
4759         function.
4760         (Symbol_value::has_output_symtab_entry): New function.
4761         (Symbol_value::needs_output_symtab_entry): Remove.
4762         (Symbol_value::output_symtab_index): Make sure the symbol index is
4763         set.
4764         (Symbol_value::set_output_symtab_index): Make sure the symbol
4765         index is not set.  Make sure the new index is valid.
4766         (Symbol_value::set_must_have_output_symtab_entry): New function.
4767         (Symbol_value::has_output_dynsym_entry): New function.
4768         (Symbol_value::set_output_dynsym_index): Make sure the new index
4769         is valid.
4770         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4771         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4772         local symbol if permitted.
4773         (Sized_relobj::do_finalize_local_symbols): Call
4774         is_output_symtab_index_set rather than needs_output_symtab_entry.
4775         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4776         rather than needs_output_symtab_entry.  Call
4777         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4778         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4779         is_output_symtab_index_set rather than needs_output_symtab_entry.
4780         * testsuite/discard_locals_relocatable_test.c: New file.
4781         * testsuite/discard_locals_test.sh: Test -r.
4782         * testsuite/Makefile.am (check_DATA): Add
4783         discard_locals_relocatable_test1.syms,
4784         discard_local_relocatable_test2.syms.
4785         (MOSTLYCLEANFILES): Likewise.  Also add
4786         discard_locals_relocatable_test1.lout and
4787         discard_locals_relocatable_test2.out.
4788         (discard_locals_relocatable_test1.syms): New target.
4789         (discard_locals_relocatable_test.o): New target.
4790         (discard_locals_relocatable_test1.out): New target.
4791         (discard_locals_relocatable_test2.syms): New target.
4792         (discard_locals_relocatable_test2.out): New target.
4793         (various): Add missing ../ld-new dependencies.
4794         * testsuite/Makefile.in: Rebuild.
4796 2010-03-03  Nick Clifton  <nickc@redhat.com>
4798         * po/fi.po: New Finnish translation.
4800 2010-03-01  Doug Kwan  <dougkwan@google.com>
4802         * layout.cc (Layout::Layout): Force section types of .init_array*,
4803         .preinit_array* and .fini_array* sections.
4804         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4805         Fix check of return value of std::string::find.().
4806         (Output_section::Input_section_sort_compare::operator()): Remove
4807         comment about .init_array.
4808         (Output_section::Input_section_sort_init_fini_compare::operator()):
4809         New method.
4810         (Output_section::sort_attached_input_sections): Handle .init_array
4811         and .fini_array specially.
4812         * output.h (Output_section::Inut_section_sort_compare): Update
4813         comment.
4814         (Output_section::Input_section_sort_init_fini_compare): New struct.
4816 2010-02-26  Doug Kwan  <dougkwan@google.com>
4818         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4819         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4820         * testsuite/debug_msg.sh: Avoid matching source line number for
4821         use of global variable undef_int.
4823 2010-02-26  Doug Kwan  <dougkwan@google.com>
4825         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4826         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4827         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4828         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4829         * options.cc (General_options::General_options): Initialize member
4830         fix_v4bx_.
4831         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4832         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4833         and rm_no_fix_v4bx.stdout
4834         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4835         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4836         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4837         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4838         and arm_no_fix_v4bx.
4839         * Makefile.in: Regenerate.
4840         * testsuite/arm_fix_v4bx.s: New file.
4841         * testsuite/arm_fix_v4bx.sh: Ditto.
4843 2010-02-24  Doug Kwan  <dougkwan@google.com>
4845         * arm.cc (Target_arm::got_section): Make the .got section the first
4846         non RELRO section in the data segment.
4847         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4848         suffixes of section names.
4850 2010-02-24  Doug Kwan  <dougkwan@google.com>
4852         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4853         flags and attributes merging if an input file is a binary file.
4854         * fileread.cc (Input_file::open): Record format of original file.
4855         * fileread.h (Input_file::Format): New enum type.
4856         (Input_file::Input_file): Initialize data member format_.
4857         (Input_file::format): New method definition.
4858         (Input_file::format_):: New data member.
4860 2010-02-24  Doug Kwan  <dougkwan@google.com>
4862         * arm.cc (Arm_output_data_got): New class.
4863         (ARM_TCB_SIZE): New constant
4864         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4865         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4866         If user uses a script with a SECTIONS clause, issue only a warning
4867         for a misplaced EXIDX input section.  Otherwise, issue an error.
4868         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4869         garbage collection.
4870         (Target_arm::got_mode_index_entry): Handle static linking.
4871         (Target_arm::Scan::local): Ditto.
4872         (Target_arm::Scan::global): Ditto.
4873         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4874         all incorrectly implemented relocations.
4875         (Target_arm::fix_exidx_coverage): Pass layout to
4876         Arm_output_section::fix_exidx_coverage.
4877         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4878         from ".ARM.exidx." and ".ARM.extab.".
4880 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4882         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4883         section if it does not already exist.
4884         * attributes.cc (Attributes_section_data::Attributes_section_data):
4885         Don't crash if size is zero.
4887 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4888             Ian Lance Taylor  <iant@google.com>
4890         * gold.cc (queue_middle_tasks): If no input files were opened,
4891         exit.
4892         * workqueue.h (Task_function::Task_function): Assert that there is
4893         a blocker.
4895 2010-02-22  Doug Kwan  <dougkwan@google.com>
4897         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4898         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4899         types to avoid warnings due to different uint64_t implementations
4900         on different hosts.
4902 2010-02-21  Doug Kwan  <dougkwan@google.com>
4904         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4905         handling of the maximum backward branch offset.
4906         (Arm_relocate_functions::thumb_branch_common): Ditto.
4907         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4908         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4909         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4910         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4911         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4912         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4913         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4914         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4915         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4916         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4917         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4918         thumb2_bl_out_of_range.o): New rules.
4919         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4920         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4921         thumb2_bl_out_of_range
4922         * testsuite/Makefile.in: Regenerate.
4923         * testsuite/arm_bl_in_range.s: New file.
4924         * testsuite/arm_bl_out_of_range.s: Ditto.
4925         * testsuite/arm_branch_in_range.sh: Ditto.
4926         * testsuite/arm_branch_range.t: Ditto.
4927         * testsuite/thumb2_branch_range.t: Ditto.
4928         * testsuite/thumb_bl_in_range.s: Ditto.
4929         * testsuite/thumb_bl_out_of_range.s: Ditto.
4930         * testsuite/thumb_branch_range.t: Ditto.
4932 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4934         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4935         Add reloc offset information.
4936         * icf.cc (get_section_contents): Change iterators to point to the new
4937         vectors. Add reloc offset information to the contents.
4938         * icf.h (Icf::Sections_reachable_info): New typedef.
4939         (Icf::Sections_reachable_list): New typedef.
4940         (Icf::Offset_info): New typedef.
4941         (Icf::Reloc_info): New struct typedef.
4942         (Icf::Reloc_info_list): New typedef.
4943         (Icf::symbol_reloc_list): Delete method.
4944         (Icf::addend_reloc_list): Delete method.
4945         (Icf::section_reloc_list): Delete method.
4946         (Icf::reloc_info_list): New method.
4947         (Icf::reloc_info_list_): New member.
4949 2010-02-19  Doug Kwan  <dougkwan@google.com>
4951         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4952         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4953         * arm.cc (Arm_relocation_functions): New forward declaration.
4954         (Target_arm::Target_arm): Initialize new data members
4955         got_mod_index_offset_ and tls_base_symbol_defined_.
4956         (Target_arm::Relocate::relocate_tls): New method.
4957         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4958          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4959         New methods.
4960         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4961         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4962         (Target_arm::got_mod_index_offset_,
4963         Target_arm::tls_base_symbol_defined_): New data members.
4964         (Target_arm::Scan::local, Target::Scan::global,
4965         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4966         relocations.
4968 2010-02-18  Doug Kwan  <dougkwan@google.com>
4970         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4971         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4972         text section as a parameter becuase some broken tools may not set
4973         the link in section header.
4974         (Target_arm::has_got_section): New method.
4975         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4976         without any mapping symbol as data only.  Remove warning.
4977         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4978         link in its section header, try to discover the link by inspecting the
4979         REL31 relocation at the beginning of the section.
4980         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4981         in error message.
4982         (Target_arm::Scan::global): Treat any reference to the symbol
4983         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4985 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4987         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4988         (Scan::global_reloc_may_be_function_pointer): New function.
4989         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4990         (Scan::global_reloc_may_be_function_pointer): New function.
4991         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4992         (Scan::global_reloc_may_be_function_pointer): New function.
4993         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4994         (Scan::global_reloc_may_be_function_pointer): New function.
4995         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4996         (Scan::global_reloc_may_be_function_pointer): New function.
4997         (Scan::possible_function_pointer_reloc): New function.
4998         (Target_x86_64::can_check_for_function_pointers): New function.
4999         * gc.h (gc_process_relocs): Scan relocation types to determine if
5000         function pointers were taken for targets that support it.
5001         * icf.cc (Icf::find_identical_sections): Include functions for
5002         folding in safe ICF whose pointer is not taken.
5003         * icf.h (Secn_fptr_taken_set): New typedef.
5004         (fptr_section_id_): New member.
5005         (section_has_function_pointers): New function.
5006         (set_section_has_function_pointers): New function.
5007         (check_section_for_function_pointers): New function.
5008         * options.h: Fix comment for safe ICF option.
5009         * target.h (can_check_for_function_pointers): New function.
5010         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5011         Modify icf_safe_test for X86-64.
5012         * testsuite/Makefile.in: Regenerate.
5013         * testsuite/icf_safe_so_test.cc: New file.
5014         * testsuite/icf_safe_so_test.sh: New file.
5015         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5016         (main): Change to take pointer to function kept_func_3.
5017         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5018         folding is done correctly for X86-64.
5020 2010-02-12  David S. Miller  <davem@davemloft.net>
5022         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5023         is_symbolless parameter.
5024         (Output_reloc<SHT_REL>::is_symbolless): New.
5025         (Output_reloc<SHT_REL>::is_symbolless_): New.
5026         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5027         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5028         (Output_reloc<SHT_RELA>::is_symbolless): New.
5029         (Output_data_reloc::add_global): Handle is_symbolless.
5030         (Output_data_reloc::add_global_relative): Likewise.
5031         (Output_data_reloc::add_local): Likewise.
5032         (Output_data_reloc::add_local_relative): Likewise.
5033         (Output_data_reloc::add_symbolless_global_addend): New.
5034         (Output_data_reloc::add_symbolless_local_addend): New.
5035         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5036         is_symbolless.
5037         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5038         instead of ->is_relative_
5039         (Output_reloc::write): Likewise.
5040         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5041         (Output_reloc::write_rel): Simplify.
5043         * sparc.cc (Target_sparc::Scan::local): Use
5044         ->add_symbolless_local_addend as needed.
5045         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5046         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5047         based upon relocation offset.
5049 2010-02-11  Doug Kwan  <dougkwan@google.com>
5051         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5052         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5053         beginning of function.
5054         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5055         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5056         parameter is_32bit in calls to should_apply_static_reloc.
5057         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5058         (check_DATA): Add arm_abs_global.stdout.
5059         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5060         arm_abs_global.stdout): New rules.
5061         (MOSTLLYCLEANFILES): Add arm_abs_global
5062         * Makefile.in: Regenerate.
5063         * testsuite/arm_abs_global.s: New file.
5064         * testsuite/arm_abs_global.sh: Ditto.
5065         * testsuite/arm_abs_lib.s: Ditto.
5067 2010-02-11  Ian Lance Taylor  <iant@google.com>
5069         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5070         Read_relocs task.
5071         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5072         Allocate_commons_task first.
5073         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5074         task, rather than symtab_lock_.
5075         (Gc_process_relocs::~Gc_process_relocs): New function.
5076         (Gc_process_relocs::is_runnable): Check this_blocker_.
5077         (Gc_process_relocs::locks): Use next_blocker_ rather than
5078         blocker_.
5079         (Scan_relocs::~Scan_relocs): New function.
5080         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5081         symtab_lock_.
5082         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5083         next_blocker_.
5084         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5085         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5086         constructor accordingly.
5087         (class Gc_process_relocs): Likewise.
5088         (class Scan_relocs): Likewise.
5089         * common.h (class Allocate_commons_task): Remove symtab_lock_
5090         field, and corresponding constructor parameter.
5091         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5092         symtab_lock_.
5093         (Allocate_commons_task::locks): Likewise.
5095 2010-02-11  Ian Lance Taylor  <iant@google.com>
5097         * gold-threads.h (class Once): Define.
5098         (class Initialize_lock): Rewrite as child of Once.
5099         * gold-threads.cc (class Once_initialize): Define.
5100         (once_pointer_control): New static variable.
5101         (once_pointer, once_arg): New static variables.
5102         (c_run_once): New static function.
5103         (Once::Once, Once::run_once, Once::internal_run): New functions.
5104         (class Initialize_lock_once): Remove.
5105         (initialize_lock_control): Remove.
5106         (initialize_lock_pointer): Remove.
5107         (initialize_lock_once): Remove.
5108         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5109         (Initialize_lock::initialize): Rewrite.
5110         (Initialize_lock::do_run_once): New function.
5111         * archive.cc (Archive::interpret_header): Only clear name if it is
5112         not already empty.
5113         * fileread.cc: Include "gold-threads.h"
5114         (file_counts_lock): New static variable.
5115         (file_counts_initialize_lock): Likewise.
5116         (File_read::release): Only increment counts when using --stats.
5117         Use a lock around the increment.
5118         * parameters.cc (class Set_parameters_target_once): Define.
5119         (set_parameters_target_once): New static variable.
5120         (Parameters::Parameters): Move here from parameters.h.
5121         (Parameters::set_target): Rewrite.
5122         (Parameters::set_target_once): New function.
5123         (Parameters::clear_target): Move here and rewrite.
5124         * parameters.h (class Parameters): Update declarations.  Add
5125         set_parameters_target_once_ field.
5126         (Parameters::Parameters): Move to parameters.cc.
5127         (Parameters::clear_target): Likewise.
5128         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5129         task.
5130         (Start_group::~Start_group): New function.
5131         (Start_group::is_runnable): New function.
5132         (Start_group::locks, Start_group::run): New functions.
5133         (Finish_group::run): Change saw_undefined to size_t.
5134         * readsyms.h (class Start_group): Define.
5135         (class Finish_group): Change saw_undefined_ field to size_t.
5136         (Finish_group::Finish_group): Remove saw_undefined and
5137         this_blocker parameters.  Change all callers.
5138         (Finish_group::set_saw_undefined): New function.
5139         (Finish_group::set_blocker): New function.
5140         * symtab.h (class Symbol_table): Change saw_undefined to return
5141         size_t.  Change saw_undefined_ field to size_t.
5142         * target-select.cc (Set_target_once::do_run_once): New function.
5143         (Target_selector::Target_selector): Initialize set_target_once_
5144         field.  Don't initialize lock_ and initialize_lock_ fields.
5145         (Target_selector::instantiate_target): Rewrite.
5146         (Target_selector::set_target): New function.
5147         * target-select.h (class Set_target_once): Define.
5148         (class Target_selector): Update declarations.  Make
5149         Set_target_once a friend.  Remove lock_ and initialize_lock_
5150         fields.  Add set_target_once_ field.
5152 2010-02-10  Ian Lance Taylor  <iant@google.com>
5154         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5155         queueing any tasks.
5156         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5157         (queue_middle_tasks): Add all blockers before queueing any tasks.
5158         (queue_final_tasks): Likewise.
5159         * token.h (Task_token::add_blockers): New function.
5160         * object.h (Input_objects::number_of_relobjs): New function.
5162 2010-02-10  Ian Lance Taylor  <iant@google.com>
5164         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5165         shared, not if not position independent.
5166         * x86_64.cc (Relocate::relocate_tls): Likewise.
5167         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5168         (tls_pie_pic_test): New target.
5169         * testsuite/Makefile.in: Rebuild.
5171         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5172         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5173         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5174         * testsuite/Makefile.in: Rebuild.
5176 2010-02-09  David S. Miller  <davem@davemloft.net>
5178         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5179         R_SPARC_RELATIVE using ->add_local_relative().
5180         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5182         * output.h (Output_data_dynamic::add_section_size): New method
5183         that takes two Output_data objects.
5184         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5185         entry param.  Handle it in initializers.
5186         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5187         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5188         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5189         arg.
5190         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5191         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5192         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5193         for dynrel_includes_plt.
5194         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5195         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5196         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5197         before .rela.plt
5198         (Target_sparc::do_finalize_sections): Update to pass true for
5199         dynrel_includes_plt.
5200         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5201         output before .rela.plt
5202         (Target_powerpc::do_finalize_sections): Update to pass true for
5203         dynrel_includes_plt when 32-bit.
5205 2010-02-08  Doug Kwan  <dougkwan@google.com>
5207         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5208         method.
5209         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5210         Arm_relobj::scan_section_for_cortex_a8_stubs,
5211         Arm_relobj::do_relocation_section): Instead of calling
5212         Output_section::output_address, use faster
5213         Arm_relobj::simple_input_section_output_address.
5215 2010-02-08  David S. Miller  <davem@davemloft.net>
5217         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5218         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5219         relocation helper function.
5221         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5222         just like R_SPARC_GOT{10,13,22}.
5223         (Target_sparc::Scan::local): Likewise.
5224         (Target_sparc::Relocate:relocate): Likewise.
5226 2010-02-06  Ian Lance Taylor  <iant@google.com>
5228         * configure.ac: Rewrite targetobjs duplicate removal code to use
5229         only shell constructs.
5230         * configure: Rebuild.
5232 2010-02-05  Doug Kwan  <dougkwan@google.com>
5234         PR 11247
5235         * arm.cc (Arm_relobj::section_is_scannable): New method.
5236         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5237         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5239 2010-02-04  Doug Kwan  <dougkwan@google.com>
5241         PR 11247
5242         * arm-reloc-property.cc (cstdio): Include.
5243         * configure.ac (targetobjs): Remove duplicates.
5244         * configure: Regenerate.
5245         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5246         big and little endian version for a given address size.
5248 2010-02-03  Doug Kwan  <dougkwan@google.com>
5250         * arm-reloc-property.cc
5251         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5252         definition.
5253         * arm-reloc-property.h
5254         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5255         New method definition.
5256         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5257         declaration.
5258         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5259         overflow to N.
5260         (GOT_PREL): Change implemented to Y.
5261         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5262         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5263         (Arm_relocate_functions::movw_abs_nc): Remove method.
5264         (Arm_relocate_functions::movt_abs): Ditto.
5265         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5266         (Arm_relocate_functions::thm_movt_abs): Ditto.
5267         (Arm_relocate_functions::movw_rel_nc): Ditto.
5268         (Arm_relocate_functions::movw_rel): Ditto.
5269         (Arm_relocate_functions::movt_rel): Ditto.
5270         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5271         (Arm_relocate_functions:thm_movw_rel): Ditto.
5272         (Arm_relocate_functions:thm_movt_rel): Ditto.
5273         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5274         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5275         New method definitions.
5276         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5277         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5278         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5279         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5280         (Target_arm::Relocate::relocate): Check for non-static or
5281         unimplemented relocation code and exit early.  Change calls to
5282         Target_arm::reloc_uses_thumb_bit and
5283         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5284         instead.  Refactor code to handle similar relocations to increase
5285         code sharing.  Remove check for unsupported relocation code in switch
5286         statement.
5287         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5288         relocation property table to find out size.  Change error message to
5289         print out the name of a relocation code instead of the numeric value.
5290         (Target_arm::scan_reloc_for_stub): Use relocation property table
5291         instead of calling Target_arm::reloc_uses_thumb_bit().
5293 2010-02-02  Doug Kwan  <dougkwan@google.com>
5295         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5296         types of relaxed input section.
5298 2010-02-02  Doug Kwan  <dougkwan@google.com>
5300         * Makefile.am (HFILES): Add arm-reloc-property.h.
5301         (DEFFILES): New.
5302         (TARGETSOURCES): Add arm-reloc-property.cc
5303         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5304         (libgold_a_SOURCES): $(DEFFILES)
5305         * Makefile.in: Regenerate.
5306         * arm-reloc-property.cc: New file.
5307         * arm-reloc-property.h: New file.
5308         * arm-reloc.def: New file.
5309         * arm.cc: Update comments.
5310         (arm-reloc-property.h): New included header.
5311         (arm_reloc_property_table): New global variable.
5312         (Target_arm::do_select_as_default_target): New method definition.
5313         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5314         arm-reloc-property to targ_extra_obj.
5315         * parameters.cc (set_parameters_target): Call
5316         Target::select_as_default_target().
5317         * target.h (Target::select_as_default_target): New method definition.
5318         (Target::do_select_as_default_target): Same.
5320 2010-02-01  Doug Kwan  <dougkwan@google.com>
5322         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5323         first_output_text_section_.
5324         (Arm_exidx_fixup::first_output_text_section): New method definition.
5325         (Arm_exidx_fixup::first_output_text_section_): New data member.
5326         (Arm_exidx_fixup::process_exidx_section): Record the first text
5327         output section seen.
5328         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5329         and entsize in output section header.
5331 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5333         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5334         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5335         (Arm_relocate_functions::thm_alu11): New Method.
5336         (Arm_relocate_functions::thm_pc8): New Method.
5337         (Arm_relocate_functions::thm_pc12): New Method.
5338         (Target_arm::Scan::local): Handle the relocations.
5339         (Target_arm::Scan::global): Likewise.
5340         (Target_arm::Relocate::relocate): Likewise.
5341         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5343 2010-01-29  Doug Kwan  <dougkwan@google.com>
5345         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5346         of relocation types as ld.
5348 2010-01-29  Doug Kwan  <dougkwan@google.com>
5350         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5351         to public.
5352         (Arm_relocate_functions::thumb_branch_common): Ditto.
5353         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5354         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5355         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5356         Arm_relocate_functions::jump24): Remove.
5357         (Target_arm::Relocate::relocate): Adjust code to call
5358         Arm_relocation_functions::arm_branch_common and
5359         Arm_relocation_functions::thumb_branch_common instead of their removed
5360         wrappers.  Merge switch-cases together to reduce source code size.
5362 2010-01-29  Doug Kwan  <dougkwan@google.com>
5364         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5365         output_local_symbol_count_needs_update_.
5366         (Arm_relobj::output_local_symbol_count_needs_update,
5367          Arm_relobj::set_output_local_symbol_count_needs_update,
5368          Arm_relobj::update_output_local_symbol_count): New methods.
5369         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5370         member.
5371         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5372         of pointed function as in a R_ARM_PREL31 relocation.
5373         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5374         for output local symbol count updating.
5375         (Target_arm::do_relax): Update output local symbol counts in objects
5376         if necessary.
5377         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5379 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5381         * arm.cc: Added support for the ARM relocations:
5382         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5383         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5384         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5385         movw_prel_nc).
5386         (Arm_relocate_functions::movw_rel): New method.
5387         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5388         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5389         thm_movw_prel_nc).
5390         (Arm_relocate_functions::thm_movw_rel): New method.
5391         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5392         thm_movt_prel).
5393         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5394         relocations.
5395         (Target_arm::Scan::global): Likewise.
5396         (Target_arm::Relocate::relocate): Likewise.
5397         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5398         Likewise.
5400 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5402         * arm.cc: Added support for ARM group relocations.
5403         (Target_arm::reloc_needs_sym_origin): New method.
5404         (Arm_relocate_functions::calc_grp_kn): New method.
5405         (Arm_relocate_functions::calc_grp_residual): New method.
5406         (Arm_relocate_functions::calc_grp_gn): New method.
5407         (Arm_relocate_functions::arm_grp_alu): New Method.
5408         (Arm_relocate_functions::arm_grp_ldr): New Method.
5409         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5410         (Arm_relocate_functions::arm_grp_ldc): New Method.
5411         (Target_arm::Scan::local): Handle the ARM group relocations.
5412         (Target_arm::Scan::global): Likewise.
5413         (Target_arm::Relocate::relocate): Likewise.
5414         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5415         Likewise.
5417 2010-01-26  Doug Kwan  <dougkwan@google.com>
5419         * arm.cc (set): Include.
5420         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5421         pointer type.
5422         (Arm_output_section::Text_section_list): New type.
5423         (Arm_output_section::append_text_sections_to_list): New method.
5424         (Arm_output_section::fix_exidx_coverage): Ditto.
5425         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5426         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5427         Relobj::set_section_offset() instead of
5428         Sized_relobj::invalidate_section_offset().
5429         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5430         parameter for section headers. Ignore relocation sections for
5431         unallocated sections and EXIDX sections.
5432         (Target_arm::fix_exidx_coverage): New method.
5433         (Target_arm::output_section_address_less_than): New type.
5434         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5435         linked text section instead of the EXIDX section.
5436         (Arm_output_section::create_stub_group): Add an assertion to check
5437         that this is not an EXIDX output section.
5438         (Arm_output_section::append_text_sections_to_list): New method.
5439         (Arm_output_section::fix_exidx_coverage): Ditto.
5440         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5441         Arm_relobj::section_needs_reloc_stub_scanning.
5442         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5443         first pass.
5444         (Target_arm::fix_exidx_coverage): New method.
5445         * object.h (Relobj::set_output_section): New method.
5446         (Sized_relobj::invalidate_section_offset): Remove method.
5447         (Sized_relobj::do_invalidate_section_offset): Remove method.
5448         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5450 2010-01-25  Doug Kwan  <dougkwan@google.com>
5452         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5453         Fix warning due to signed and unsigned comparison on a 32-bit host.
5455 2010-01-22  Doug Kwan  <dougkwan@google.com>
5457         * arm.cc (Target_arm::do_relax): Record an output section for section
5458         offset adjustment it contains any stub table that has changed.
5459         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5460         offsets in an output section if necessary.
5461         * output.cc (Output_section::Output_section): Initialize
5462         section_offsets_need_adjustments_.
5463         (Output_section::add_input_section_for_script): Renamed to
5464         Output_section::add_simple_input_section.
5465         (Output_section::save_states): Add a comment.
5466         (Output_section::discard_states): New method defintion.
5467         (Output_section::adjust_section_offsets): Same.
5468         * output.h (Output_section::add_input_section_for_script): Renamed to
5469         Output_section::add_simple_input_section.
5470         (Output_section::discard_states): New method declaration.
5471         (Output_section::adjust_section_offsets): Same.
5472         (Output_section::section_offsets_need_adjustment,
5473         Output_section::set_section_offsets_need_adjustment): New method
5474         definitions.
5475         (Output_section::section_offsets_need_adjustment_): New data member.
5476         * script-sections.cc
5477         (Output_section_element_input::set_section_address): Adjust code for
5478         renaming of Output_section::add_input_section_for_script.
5479         (Orphan_output_section::set_section_address): Same.
5481 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5483         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5484         Fix_v4bx enum values .
5485         * gold/options.h (General_options): New option definitions.
5486         (General_options::fix_v4bx): New method.
5487         (General_options::Fix_v4bx): New enum.
5488         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5489         (General_options::parse_fix_v4bx_interworking): New method.
5491 2010-01-22  Doug Kwan  <dougkwan@google.com>
5493         * arm.cc (Arm_exidx_fixup): New class.
5495 2010-01-21  Doug Kwan  <dougkwan@google.com>
5497         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5498         classes.
5499         (Arm_exidx_section_offset_map): New type.
5501 2010-01-21  Doug Kwan  <dougkwan@google.com>
5503         * arm.cc (Arm_exidx_input_section): New class.
5504         (Arm_relobj::exidx_input_section_by_link,
5505         Arm_relobj::exidx_input_section_by_shndx,
5506         Arm_relobj::make_exidx_input_section): New methods.
5507         (read_arm_attributes_section): Remove.
5508         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5509         information about them.
5510         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5511         to here.
5513 2010-01-20  Doug Kwan  <dougkwan@google.com>
5515         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5516         Input_section_specifier to Section_id.
5517         (Target_arm::new_arm_input_section: Adjust code for change of key
5518         type.
5519         (Target_arm::find_arm_input_section): Ditto.
5520         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5521         (Section_id): Remove.
5522         (Garbage_collection::Section_id_hash): Remove.
5523         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5524         (Section_id): Remove.
5525         (Icf::Section_id_hash): Remove.
5526         * object.h (Section_id, Const_section_id, Section_id_hash,
5527         Const_section_id_hash): New type definitions.
5528         * output.cc (Output_section::add_relaxed_input_section): Change to
5529         use Const_section_id instead of Input_section_specifier as key type.
5530         (Output_section::add_merge_input_section): Ditto.
5531         (Output_section::build_relaxation_map): Change to use Section_id
5532         instead of Input_section_specifier as key type.
5533         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5534         Ditto.
5535         (Output_section::convert_input_sections_to_relaxed_sections): Change
5536         to use Const_section_id instead of Input_section_specifier as key type.
5537         (Output_section::find_merge_section): Ditto.
5538         (Output_section::find_relaxed_input_section): Ditto.
5539         * output.h (Input_section_specifier): Remove class.
5540         (Output_section::Output_section_data_by_input_section_map): Change
5541         key type to Const_section_id.
5542         (Output_section::Output_relaxed_input_section_by_input_section_map):
5543         Ditto.
5544         (Output_section::Relaxation_map): Change key type to Section_id.
5546 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5548         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5549         (class Arm_v4bx_stub): New class.
5550         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5551         (Stub_factory::make_arm_v4bx_stub): New method.
5552         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5553         (Stub_table::empty): Handle v4bx stubs.
5554         (Stub_table::add_arm_v4bx_stub): New method.
5555         (Stub_table::find_arm_v4bx_stub): New method.
5556         (Arm_relocate_functions::v4bx): New method.
5557         (Target_arm::fix_v4bx): New method.
5558         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5559         (Stub_table::relocate_stubs): Likewise.
5560         (Stub_table::do_write): Likewise.
5561         (Stub_table::update_data_size_and_addralign): Likewise.
5562         (Stub_table::finalize_stubs):  Likewise.
5563         (Target_arm::Scan::local): Likewise.
5564         (Target_arm::Scan::global): Likewise.
5565         (Target_arm::do_finalize_sections): Likewise.
5566         (Target_arm::Relocate::relocate): Likewise.
5567         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5568         Likewise.
5569         (Target_arm::scan_reloc_for_stub): Likewise.
5570         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5572 2010-01-19  Ian Lance Taylor  <iant@google.com>
5574         * output.cc (Output_section_headers::do_sized_write): Write large
5575         segment count to sh_info field.
5576         (Output_file_header::do_sized_write): For large segment count,
5577         write PN_XNUM to e_phnum field.
5579 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5581         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5582         (Arm_relocate_functions::thm_jump8): New function.
5583         (Arm_relocate_functions::thm_jump11): New function.
5584         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5585         R_ARM_THM_JUMP11.
5586         (Target_arm::Scan::global): Likewise.
5587         (Target_arm::Relocate::relocate): Likewise.
5588         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5589         Likewise.
5591 2010-01-14  Doug Kwan  <dougkwan@google.com>
5593         * arm.cc (map, utility): Include headers.
5594         (Target_arm::apply_cortex_a8_workaround): New method.
5595         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5596         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5597         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5598         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5599         the --[no-]fix-cortex-a8 command line options.
5600         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5601         (Target_arm::relocate_stub): Use addend in instruction template.
5602         * options.h (DEFINE_bool): Set the user-set flag.
5603         (General_options): Add --[no-]-fix-cortex options.
5604         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5605         : Update fast look-up map after conversion.
5607 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5609         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5610         in the first pass of do_layout.
5612 2010-01-13  Doug Kwan  <dougkwan@google.com>
5614         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5615         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5616         apparent compiler problem of not folding static constant integral
5617         data members of elfcpp::Elf_sizes<32>.
5619 2010-01-13  Doug Kwan  <dougkwan@google.com>
5621         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5622         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5623         Arm_relobj::scan_section_for_cortex_a8_erratum,
5624         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5625         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5626         sections to scan for relocation stubs into a new method
5627         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5628         relocation and Cortex-A8 stub scanning.
5629         (Target_arm::do_relax): Force stubs to be after stubbed sections
5630         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5631         the beginning of a new relaxation pass.  Update a comment.
5632         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5634 2010-01-12  Ian Lance Taylor  <iant@google.com>
5636         * target-reloc.h (visibility_error): New inline function.
5637         (relocate_section): Call visibility_error.
5638         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5639         (MOSTLYCLEANFILES): Likewise.
5640         (protected_4_pic.o, protected_3.err): New targets.
5641         * testsuite/protected_4.cc: New file.
5643 2010-01-12  Doug Kwan  <dougkwan@google.com>
5645         * arm.cc (Cortex_a8_reloc): New class.
5646         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5647         and cortex_a8_relocs_info_.
5648         (Target_arm::fix_cortex_a8): New method definition.
5649         (Target_arm::Cortex_a8_relocs_info): New type.
5650         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5651         New data member declarations.
5652         (Target_arm::scan_reloc_for_stub): Record information about
5653         relocations for THUMB branches that might be exempted from the
5654         Cortex-A8 workaround.
5655         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5656         at the beginning of a relaxation pass.
5658 2010-01-12  Doug Kwan  <dougkwan@google.com>
5660         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5661         (Arm_relobj::Mapping_symbol_position,
5662          Arm_reloj::Mapping_symbol_position_less,
5663          Arm_relobj::Mapping_symbols_info): New types.
5664         (Target_arm::is_mapping_symbol_name): New method definition.
5665         (Arm_relobj::do_count_local_symbols): Save information about mapping
5666         symbols.
5668 2010-01-11  Doug Kwan  <dougkwan@google.com>
5670         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5671         Arm_relocate_functions::thumb32_branch_upper,
5672         Arm_relocate_functions::thumb32_branch_lower,
5673         Arm_relocate_functions::thumb32_cond_branch_offset,
5674         Arm_relocate_functions::thumb32_cond_branch_upper,
5675         Arm_relocate_functions::thumb32_cond_branch_lower,
5676         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5677         branch offset encoding.
5678         (Arm_relocate_functions::thumb_branch_common): Use new branch
5679         offset encoding methods to avoid code duplication.
5680         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5681         (Stub_addend_reader::operator()): Use new branch encoding method
5682         to avoid code duplication.
5684 2010-01-11  Doug Kwan  <dougkwan@google.com>
5686         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5687         (Target_arm::do_finalize_sections): Define special EXIDX section
5688         symbols only if referenced.
5689         * gc.h (Garbage_collection::add_reference): New method.
5690         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5691         code duplication.
5693 2010-01-11  Ian Lance Taylor  <iant@google.com>
5695         * script.cc (Version_script_info::build_expression_list_lookup):
5696         Change complaing about duplicate wildcard match from error to
5697         warning.
5699         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5700         of 2009-12-30.
5701         (Version_script_info::Version_script_info): Initialize globs_,
5702         default_version_, default_is_global_, and exact_.  Don't
5703         initialize globals_ or locals_.
5704         (Version_script_info::build_lookup_tables): Build local symbols
5705         first.
5706         (Version_script_info::unquote): New function.
5707         (Version_script_info::add_exact_match): New function.
5708         (Version_script_info::build_expression_list_lookup): Remove lookup
5709         parameter.  Add is_global parameter.  Change all callers.  Handle
5710         wildcard pattern specially.  Unquote pattern.  Call
5711         add_exact_match.
5712         (Version_script_info::get_name_to_match): New function.
5713         (Version_script_info::get_symbol_version): New function.
5714         (Version_script_info::get_symbol_version_helper): Remove.
5715         (Version_script_info::check_unmatched_names): Call unquote.
5716         * script.h (class Version_script_info): Change get_symbol_version
5717         to be non-inline and add is_global parameter; change all callers.
5718         Rewrite symbol_is_local.  Update declarations.  Define struct
5719         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5720         Remove globals_ and locals_ members.  Add exact_, globs_,
5721         default_version_, is_global_.
5722         (Version_script_info::Glob): Remove pattern, add expression and
5723         is_global.  Update constructor.  Change all callers.
5724         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5725         default version.
5726         (Versions::symbol_section_contents): If a symbol is undefined, or
5727         defined in a dynamic object, set the version index to
5728         VER_NDX_LOCAL.
5729         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5730         symbol_is_local.
5731         (Symbol_table::add_from_pluginobj): Likewise.
5732         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5734 2010-01-11  Doug Kwan  <dougkwan@google.com>
5736         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5737         (incremental_dump_LDADD): Add linking option for libintl.
5738         * Makefile.in: Regenerate.
5740 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5742         PR gold/11144
5743         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5744         instead of -Ds.
5745         * testsuite/Makefile.in: Regenerated.
5747 2010-01-10  Doug Kwan  <dougkwan@google.com>
5749         * options.h (DEFINE_var): Use parentheses around argument varname__
5750         in macro body to avoid any unintended subsequent substitutions.
5752 2010-01-10  Ian Lance Taylor  <iant@google.com>
5754         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5755         candidates before doing symbol resolution.
5757         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5758         ODR candidates if only one is weak.
5760 2010-01-08  Ian Lance Taylor  <iant@google.com>
5762         * script.cc (Version_script_info::build_expression_list_lookup):
5763         Don't warn about ambiguous version, just record the ambiguity.
5764         (Version_script_info::get_symbol_version_helper): Give error if
5765         version is ambiguous.
5767 2010-01-08  Doug Kwan  <dougkwan@google.com>
5769         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5770           prev_data_size_ and prev_addralign_.  Remove initializer for
5771           deleted data member has_been_changed_.
5772           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5773           to determine if the table is empty.
5774           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5775           Remove.
5776           (Stub_table::add_reloc_stub): Define method in class definition
5777           instead of just declaring it there.
5778           (Stub_table::add_cortex_a8_stub): New method definition.
5779           (Stub_table::update_data_size_and_addralign): Ditto.
5780           (Stub_table::finalize_stubs): Ditto.
5781           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5782           (Stub_table::do_addralign_): Return address alignment in the
5783           (Stub_table::do_reset_address_and_file_offset): Define method in
5784           class definition instead of declaring it there.  Set current data
5785           size to be the data size of the previous pass.
5786           (Stub_table::set_final_data_size): Use current data size as the
5787           final data size.
5788           (Stub_table::relocate_stub): Change parameter type of stub from
5789           Reloc_stub pointer to Stub pointer.
5790           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5791           (Stub_table::Cortex_a8_stub_list): New typedef.
5792           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5793            Stub_table::prev_addralign_): New data member.
5794           (Arm_relobj::Arm_relobj): Initialize data member
5795           section_has_cortex_a8_workaround_.
5796           (Arm_relobj::section_has_cortex_a8_workaround,
5797            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5798            definitions.
5799           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5800           declarations.
5801           (Target_arm::relocate_stub): Change parameter type of stub from
5802           Reloc_stub pointer to Stub pointer.
5803           (Insn_template::size, Insn_template::alignment): Handle
5804           THUMB16_SPECIAL_TYPE.
5805           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5806            Stub_table::update_data_size_and_addralign,
5807            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5808           definitions.
5809           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5810           (Stub_table::do_write): Ditto.
5811           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5813 2010-01-08  Ian Lance Taylor  <iant@google.com>
5815         PR 11108
5816         * symtab.h (class Symbol): Remove fields is_target_special_ and
5817         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5818         (Symbol::is_defined_in_discarded_section): New function.
5819         (Symbol::set_is_defined_in_discarded_section): New function.
5820         (Symbol::has_plt_offset): Rewrite.
5821         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5822         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5823         Don't initialize is_target_special_ or has_plt_offset_.
5824         Initialize is_defined_in_discarded_section_.
5825         (Symbol_table::add_from_relobj): If appropriate, set
5826         is_defined_in_discarded_section.
5827         * resolve.cc (Symbol::override_base_with_special): Don't test
5828         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5829         * target-reloc.h (relocate_section): Do special handling for
5830         symbols defined in discarded sections for global symbols as well
5831         as local symbols.
5833 2010-01-08  Ian Lance Taylor  <iant@google.com>
5835         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5836         the SHT_SYMTAB case.
5838 2010-01-08  Ian Lance Taylor  <iant@google.com>
5840         * object.cc (Sized_relobj::do_layout): Don't get confused if
5841         layout_eh_frame returns NULL.
5843 2010-01-08  Ian Lance Taylor  <iant@google.com>
5845         PR 11084
5846         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5847         dynamic symbol table, use the normal symbol table.
5848         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5849         symbol table.
5851 2010-01-08  Ian Lance Taylor  <iant@google.com>
5853         PR 11072
5854         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5855         sections.
5857 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5859         * version.cc (print_version): Change to "Copyright 2010".
5861 2010-01-08  Ian Lance Taylor  <iant@google.com>
5863         PR 10287
5864         PR 11063
5865         * i386.cc (class Target_i386): Change return type of plt_section
5866         to be non-const.
5867         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5868         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5869         tls_desc_rel_ field.
5870         (Output_data_plt_i386::rel_tls_desc): New function.
5871         (Target_i386::rel_tls_desc_section): New function.
5872         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5873         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5874         R_386_TLS_DESC reloc in rel_tls_desc_section.
5875         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5876         Define struct Tlsdesc_info.
5877         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5878         (Target_x86_64::do_reloc_symbol_index): New function.
5879         (Target_x86_64::add_tlsdesc_info): New function.
5880         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5881         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5882         tlsdesc_rel_ field.
5883         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5884         all callers.
5885         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5886         (Target_x86_64::rela_tlsdesc_section): New function.
5887         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5888         handling.
5889         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5890         (Target_x86_64::do_reloc_addend): New function.
5891         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5892         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5893         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5894         (Output_reloc::type): New function.
5895         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5896         (Output_reloc::is_target_specific): New function.
5897         (Output_reloc::target_arg): New function.
5898         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5899         absolute relocs and target specific relocs.
5900         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5901         add_target_specific.
5902         (class Output_data_reloc) [SHT_RELA]: Likewise.
5903         * output.cc (Output_reloc::Output_reloc): Add four new versions
5904         for absolute relocs and target specific relocs.
5905         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5906         (Output_reloc::get_symbol_index): Likewise.
5907         (Output_reloc::local_section_offset): Check that local_sym_index_
5908         is not TARGET_CODE or 0.
5909         (Output_reloc::symbol_value): Likewise.
5910         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5911         reloc.
5912         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5913         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5914         functions.
5915         * layout.cc (add_target_dynamic_tags): Use output section for
5916         DT_PLTRELSZ and DT_JMPREL.
5918 2010-01-07  Ian Lance Taylor  <iant@google.com>
5920         PR 11061
5921         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5922         function.
5923         (class Output_data_reloc_generic): Define.
5924         (class Output_data_reloc_base): Change base class to
5925         Output_data_reloc_generic.  Change add() method to call
5926         bump_relative_reloc_count for a relative reloc.  Remove
5927         sort_relocs_ field.
5928         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5929         to sort_relocs().
5930         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5931         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5932         appropriate.
5933         * layout.h (class Layout): Update declaration.
5935 2010-01-07  Ian Lance Taylor  <iant@google.com>
5937         * output.h (class Output_data): Add const version of
5938         output_section and do_output_section.
5939         (class Output_section_data): Add const version of
5940         do_output_section.
5941         (class Output_section): Likewise.
5942         * layout.cc (Layout::add_target_dynamic_tags): New function.
5943         * layout.h (class Layout): Update declarations.
5944         * arm.cc (Target_arm::do_finalize_sections): Use
5945         add_target_dynamic_tags.
5946         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5947         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5948         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5949         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5951 2010-01-07  Ian Lance Taylor  <iant@google.com>
5953         PR 11042
5954         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5955         object as needed.
5957 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5958             Ian Lance Taylor  <iant@google.com>
5960         PR 11019
5961         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5962         Xindex::read_symtab_xindex.
5964 2010-01-07  Doug Kwan  <dougkwan@google.com>
5966         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5967         (Insn_template::thumb16_bcond_insn): New method declaration.
5968         (Insn_template): Fix spelling.
5969         (Stub::thumb16_special): New method declaration.
5970         (Stub::do_write): Define virtual method which was previously pure
5971         virtual.
5972         (Stub::do_thumb16_special): New method declaration.
5973         (Stub::do_fixed_endian_write): New template member.
5974         (Reloc_stub::do_write): Remove.
5975         (Reloc_stub::do_fixed_endian_write): Remove.
5976         (Cortex_a8_stub): New class definition.
5977         (Stub_factory::make_cortex_a8_stub): New method definition.
5978         (Stub_factory::Stub_factory): Add missing static storage class
5979         qualifier for elf32_arm_stub_a8_veneer_blx.
5981 2010-01-07  Ian Lance Taylor  <iant@google.com>
5983         PR 10980
5984         * options.h (class General_options): Add --warn-unresolved-symbols
5985         and --error-unresolved-symbols.
5986         * errors.cc (Errors::undefined_symbol): Implement
5987         --warn-unresolved-symbols.
5989         * options.h (class General_options): Add -z text and -z textoff.
5990         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5992 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5994         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5995         (Garbage_collection::cident_sections): New function.
5996         (Garbage_collection::add_cident_section): New function.
5997         (Garbage_collection::cident_sections_): New member.
5998         (gc_process_relocs): Add references to sections whose names are C
5999         identifiers.
6000         * gold.h (cident_section_start_prefix): New constant.
6001         (cident_section_stop_prefix): New constant.
6002         (is_cident): New function.
6003         * layout.cc (Layout::define_section_symbols): Replace string constants
6004         with the newly defined constants.
6005         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6006         C identifiers.
6007         * testsuite/Makefile.am: Add gc_orphan_section_test.
6008         * testsuite/Makefile.in: Regenerate.
6009         * testsuite/gc_orphan_section_test.cc: New file.
6010         * testsuite/gc_orphan_section_test.sh: New file.
6012 2010-01-06  Ian Lance Taylor  <iant@google.com>
6014         PR 10980
6015         * options.h (class General_options): Add --warn-shared-textrel.
6016         * layout.cc (Layout::finish_dynamic_section): Implement
6017         --warn-shared-textrel.
6019         PR 10980
6020         * options.h (class General_options): Add --warn-multiple-gp.
6022 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6024         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6025         $(THREADSLIB) and $(LIBDL).
6026         * Makefile.in: Rebuild.
6028 2010-01-06  Ian Lance Taylor  <iant@google.com>
6030         PR 10980
6031         * options.cc (General_options::parse_section_start): New function.
6032         (General_options::section_start): New function.
6033         (General_options::General_options): Initialize all members.
6034         * options.h: Include <map>
6035         (class General_options): Add --section-start.  Add section_starts_
6036         member.
6037         * layout.cc (Layout::attach_allocated_section_to_segment): If
6038         --section-start was used, set the address of the segment.  Remove
6039         local sort_sections.
6040         (Layout::relaxation_loop_body): If the address of the load segment
6041         has been set by --section-start, don't use it.
6042         * output.h (Output_segment::update_flags_for_output_section): New
6043         function.
6044         * output.cc (Output_segment::add_output_section): Call
6045         update_flags_for_output_section.
6047 2010-01-05  Ian Lance Taylor  <iant@google.com>
6049         PR 10980
6050         * options.h (class General_options): Add --undefined-version.
6051         * script.cc (struct Version_expression): Add was_matched_by_symbol
6052         field.
6053         (Version_script_info::matched_symbol): New function.
6054         (Version_script_info::get_symbol_version_helper): Call
6055         matched_symbol.
6056         (Version_script_info::check_unmatched_names): New function.
6057         * script.h (class Version_script_info): Update declarations.
6058         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6060         * options.h (class General_options): Use DEFINE_bool_alias for
6061         allow_multiple_definition.
6062         * resolve.cc (Symbol_table::should_override): Don't test
6063         allow_multiple_definition.
6065         PR 10980
6066         * options.h (class General_options): Add --cref.
6067         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6068         until after printing cref table.
6069         * cref.cc: Include "symtab.h".
6070         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6071         (Cref_table_compare::operator()): New function.
6072         (Cref_inputs::gather_cref): New function.
6073         (filecol): New static const.
6074         (Cref_inputs::print_cref): New function.
6075         (Cref::print_cref): New function.
6076         * cref.h: Include <cstdio>.
6077         (class Cref): Update declarations.
6078         * mapfile.h (Mapfile::file): New function.
6079         * object.h (class Object): Define Symbols.  Declare virtual
6080         do_get_global_symbols.
6081         (Object::get_global_symbols): New function.
6082         * object.cc (Input_objects::add_object): Pass object to cref_ if
6083         --cref.
6084         (Input_objects::archive_start): Likewise.
6085         (Input_objects::archive_stop): Likewise.
6086         (Input_objects::print_cref): New function.
6087         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6088         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6089         --cref.
6090         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6091         function.
6092         * plugin.h (class Sized_pluginobj): Update declarations.
6094 2010-01-05  Ian Lance Taylor  <iant@google.com>
6096         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6097         to is_default_version.  Rename insdef to insdefault.
6098         (Symbol_table::add_from_relobj): Rename def to is_default_version
6099         and local to is_forced_local.
6100         (Symbol_table::add_from_pluginobj): Likewise.
6101         (Symbol_table::add_from_dynobj): Likewise.
6102         (Symbol_table::define_special_symbol): Rename insdef to
6103         insdefault.
6105 2010-01-04  Ian Lance Taylor  <iant@google.com>
6107         PR 10980
6108         * options.h (class General_options): Add
6109         --allow-multiple-definition and -z muldefs.
6110         * resolve.cc (Symbol_table::should_override): Don't warn about a
6111         multiple symbol definition if --allow-multiple-definition or -z
6112         muldefs.
6114         PR 10980
6115         * options.h (class General_options): Add --add-needed and
6116         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6117         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6118         error if --copy-dt-needed-entries aka --add-needed is used and
6119         would cause a change in behaviour.
6121         PR 10980
6122         * options.h (class General_options): Add -G as a short version of
6123         --shared.  Add no-op options -assert, -g, and -i.
6125 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6127         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6128         check for .text or .gnu.linkonce.t sections.
6129         * icf.cc (Icf::find_identical_sections): Ditto.
6130         Change the detection for mangled function name within the section
6131         name.
6132         * icf.h (is_section_foldable_candidate): New function.
6134 2009-12-30  Ian Lance Taylor  <iant@google.com>
6136         PR 10980
6137         * options.h (class General_options): Permit two dashes with
6138         --retain-symbols-file.
6140 2009-12-30  Ian Lance Taylor  <iant@google.com>
6142         PR 10979
6143         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6144         don't put the file header and segment headers in the text
6145         segment.
6147         PR 10979
6148         * common.cc (Sort_commons::operator()): Stabilize sort when both
6149         entries are NULL.
6150         (Symbol_table::do_allocate_commons_list): When allocating common
6151         symbols, skip a symbol which is no longer common.
6152         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6153         an object before checking its type.
6154         * testsuite/common_test_2.c: New file.
6155         * testsuite/common_test_3.c: New file.
6156         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6157         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6158         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6159         (common_test_2_pic.o, common_test_2.so): New targets.
6160         (common_test_3_pic.o, common_test_3.so): New targets.
6161         * testsuite/Makefile.in: Rebuild.
6163         PR 10979
6164         * script.cc (read_input_script): If we see a new SECTIONS clause,
6165         and we have added an input section, give an error.
6166         * layout.h (class Layout): Add have_added_input_section function.
6167         Add have_added_input_section_ field.
6168         * layout.cc (Layout::Layout): Initialize
6169         have_added_input_section_.
6170         (Layout::layout): Set have_added_input_section_.
6171         (Layout::layout_eh_frame): Likewise.
6173 2009-12-30  Ian Lance Taylor  <iant@google.com>
6175         PR 10931
6176         * options.h (class General_options): Add --sort-common option.
6177         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6178         * common.cc (Sort_common): Add sort_order parameter to
6179         constructor.  Add sort_order_ field.
6180         (Sort_commons::operator): Check sort_order_.
6181         (Symbol_table::allocate_commons): Determine the sort order.
6182         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6183         Change all callers.
6184         (Symbol_table::do_allocate_commons_list): Likewise.
6186 2009-12-30  Ian Lance Taylor  <iant@google.com>
6188         PR 10916
6189         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6190         symbols from this object, don't change the visibility of an
6191         undefined symbol.
6192         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6194 2009-12-30  Ian Lance Taylor  <iant@google.com>
6196         PR 10861
6197         * script.h (class Version_script_info): Define Language enum.
6198         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6199         new fields globals_, locals_, and is_finalized_.
6200         * script.cc: Various formatting fixes.
6201         (class Parser_closure): Change language_stack_ from a vector of
6202         std::string to one of Version_script_info::Language.  Adjust all
6203         uses accordingly.
6204         (class Lazy_demangler): Remove.
6205         (struct Version_expression): Change language from std::string to
6206         Version_script_info::Language.
6207         (Version_script_info::Version_script_info): New function.
6208         (Version_script_info::~Version_script_info): Don't call clear.
6209         (Version_script_info::finalize): New function.
6210         (Version_script_info::build_lookup_tables): New function.
6211         (Version_script_info::build_expression_list_lookup): New
6212         function.
6213         (Version_script_info::get_symbol_version_helper): Rewrite to use
6214         lookup tables.
6215         (Version_script_info::print_expression_list): Adjust to use
6216         Version_script_info::Language.
6217         (script_push_lex_into_version_mode): Check that the version script
6218         has not been finalized.
6219         (version_script_push_lang): Change language string to
6220         Version_script_info::Language.
6221         * options.cc (Command_line::version_script): New function.
6222         * options.h (class General_options): Add finalize_dynamic_list
6223         function.  Change version_script from declaration to definition.
6224         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6225         * testsuite/version_script.map: Remove duplicate def of foo.
6226         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6227         version_script.map.
6228         * testsuite/Makefile.in: Rebuild.
6230 2009-12-30  Ian Lance Taylor  <iant@google.com>
6232         PR 10843
6233         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6234         if the input symbol index is 0, make the output symbol index 0.
6236 2009-12-30  Ian Lance Taylor  <iant@google.com>
6238         PR 10670
6239         * options.h (class General_options): Add -x/--discard-all.
6240         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6241         --discard-all.  If the local symbol needs a dynamic entry, check
6242         that before handling --discard-locals.
6244 2009-12-30  Ian Lance Taylor  <iant@google.com>
6246         PR 10450
6247         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6248         flags to PF_R.
6249         (Output_segment::add_output_section): Don't change the flags if
6250         the type is PT_TLS.
6252         PR 10450
6253         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6254         GNU hash table if they need a dynamic value.  Otherwise, don't add
6255         them if they are defined in a dynamic object or are forced local.
6257 2009-12-29  Ian Lance Taylor  <iant@google.com>
6259         PR 10450
6260         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6261         .gnu.hash table for a 32-bit target.
6263         PR 10450
6264         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6265         regular and a dynamic object only needs a dynamic symbol table
6266         entry if it is externally visible.
6268         PR 10450
6269         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6270         constructor.  Add global_offset_table_ field.
6271         (Target_i386::got_section): Set global_offset_table_.
6272         (Target_i386::do_finalize_sections): Set global_offset_table_
6273         size.
6274         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6275         in constructor.  Add global_offset_table_ field.
6276         (Target_x86_64::got_section): Set global_offset_table_.
6277         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6278         size.
6280         * layout.cc (Layout::Layout): Initialize increase_relro_.
6281         (Layout::get_output_section): Add is_relro, is_last_relro, and
6282         is_first_non_relro parameters.  Change all callers.
6283         (Layout::choose_output_section): Likewise.
6284         (Layout::add_output_section_data): Likewise.
6285         (Layout::make_output_section): Likewise.
6286         (Layout::set_segment_offsets): Clear increase_relro when using a
6287         linker script.
6288         * layout.h (class Layout): Add increase_relro method.  Add
6289         increase_relro_ field.  Update declarations.
6290         * output.cc (Output_section::Output_section): Initialize
6291         is_last_relro_ and is_first_non_relro_.
6292         (Output_segment::add_output_section): Group relro sections is
6293         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6294         (Output_segment::maximum_alignment): Remove relro handling.
6295         (Output_segment::set_section_addresses): Add increase_relro
6296         parameter.  Change all callers.  Add initial alignment to align
6297         relro sections on separate page.  Remove old relro handling.
6298         (Output_segment::set_section_list_addresses): Remove in_relro
6299         parameter.  Change all callers.
6300         (Output_segment::set_offset): Add increase parameter.  Change all
6301         callers.  Remove old relro handling.
6302         * output.h (class Output_section): Add new methods: is_last_relro,
6303         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6304         Add is_last_relro_ and is_first_non_relro_ fields.
6305         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6306         Create separate .got.plt section.  Call increase_relro.
6307         * x86_64.cc (Target_x86_64::got_section): Likewise.
6308         * testsuite/relro_script_test.t: Add .got.plt.
6310         PR 10450
6311         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6312         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6313         (Layout::finalize): Call set_dynamic_symbol_size.
6314         (Layout::set_dynamic_symbol_size): New function.
6315         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6316         set_dynamic_symbol_size.
6318         PR 10450
6319         * output.h (class Output_section): Add is_entsize_zero_ field.
6320         * output.cc (Output_section::Output_section): Initialize
6321         is_entsize_zero_.
6322         (Output_section::set_entsize): If two different entsizes are
6323         requested, force it to zero.
6324         (Output_section::add_input_section): Set flags for .debug_str
6325         before updating section flags.  Set entsize.
6326         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6327         and SHF_STRING if all input sections have those flags.
6329 2009-12-29   Rafael Espindola  <espindola@google.com>
6331         * main.cc (main): Fix the sys time reporting.
6332         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6333         reporting.
6335 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6337         * options.cc (General_options::parse_version): Allow -v to exit
6338         without an error if there is nothing to link.
6340 2009-12-29  Ian Lance Taylor  <iant@google.com>
6342         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6343         using a version of gcc before 4.1.
6344         * configure: Rebuild.
6346 2009-12-28  Chris Demetriou  <cgd@google.com>
6348         * attributes.cc (Output_attributes_section_data::do_write): Use
6349         std::vector::front rather than std::vector::data.
6351 2009-12-28  Ian Lance Taylor  <iant@google.com>
6353         * symtab.h (class Symbol_table): Add enum Defined.
6354         * resolve.cc (Symbol_table::should_override): Add defined
6355         parameter.  Change all callers.  Test whether object is NULL
6356         before calling a method on it.
6357         (Symbol_table::report_resolve_problem): Add defined parameter.
6358         Change all callers.
6359         (Symbol_table::should_override_with_special): Likewise.
6360         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6361         parameter.  Change all callers.
6362         (Symbol_table::do_define_in_output_data): Likewise.
6363         (Symbol_table::define_in_output_segment): Likewise.
6364         (Symbol_table::do_define_in_output_segment): Likewise.
6365         (Symbol_table::define_as_constant): Likewise.
6366         (Symbol_table::do_define_as_constant): Likewise.
6367         * script.h (class Symbol_assignment): Add is_defsym parameter to
6368         constructor; change all callers.
6369         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6370         parameter.  Change all callers.  Add is_defsym_ field.
6371         (class Parser_closure): Add parsing_defsym parameter to
6372         constructor; change all callers.  Add parsing_defsym accessor
6373         function.  Add parsing_defsym_ field.
6375 2009-12-28  Ian Lance Taylor  <iant@google.com>
6377         * gold.cc (queue_middle_tasks): Fix formatting.
6378         * object.cc (Relobj::is_section_name_included): Likewise.
6380 2009-12-23  Ian Lance Taylor  <iant@google.com>
6382         * i386.cc (Target_i386::do_calls_non_split): Recognize
6383         -fsplit-stack prologue for a function with a static chain.
6384         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6385         -fsplit-stack prologue when using %r11.
6387 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6389         * options.cc (General_options::parse_version): Make -v continue and do
6390         the link like GNU ld does.
6392 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6394         * Makefile.am (CCFILES): Add timer.cc.
6395         (HFILES): Add timer.h.
6396         * configure.ac: Check for sysconf and times.
6397         * main.cc: include timer.h.
6398         (main): Use Timer instead of get_run_time.
6399         * timer.cc: New.
6400         * timer.h: New.
6401         * workqueue.cc: include timer.h.
6402         (Workqueue::find_and_run_task):
6403         Report user, sys and wall time.
6404         * Makefile.in: Regenerate.
6405         * config.in: Regenerate.
6406         * configure: Regenerate.
6408 2009-12-16  Doug Kwan  <dougkwan@google.com>
6410         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6411         sections.
6412         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6413         relaxed input sections.
6414         * output.cc (Output_section::find_relaxed_input_section): Change
6415         return type to Output_relaxed_input_section pointer.  Adjust code
6416         for new type of relaxed_input_section_map_.
6417         * output.h (Output_section::find_relaxed_input_section): Change
6418         return type to Output_relaxed_input_section pointer.
6419         (Output_section::Output_relaxed_input_section_by_input_section_map):
6420         New type.
6421         (Output_section::relaxed_input_section_map_): Change type to
6422         Output_section::Output_relaxed_input_section_by_input_section_map.
6423         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6424         input section.
6426 2009-12-15  Ian Lance Taylor  <iant@google.com>
6428         * layout.cc (Layout::create_shstrtab): Only write out after input
6429         sections if we are compressing debug sections.
6431 2009-12-15  Ian Lance Taylor  <iant@google.com>
6433         * archive.cc (Archive::add_symbols): Only look up a symbol without
6434         a version if there is, in fact, a version.
6436 2009-12-14  Ian Lance Taylor  <iant@google.com>
6438         Revert -Wshadow changes, all changes from:
6439         2009-12-11  Doug Kwan  <dougkwan@google.com>
6440         2009-12-11  Nick Clifton  <nickc@redhat.com>
6441         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6443 2009-12-11  Doug Kwan  <dougkwan@google.com>
6445         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6446         due to -Wshadow.
6447         * attributes.cc (Object_attribute::size): Ditto.
6448         (Attributes_section_data::size): Ditto.
6449         (Attributes_section_data::Attributes_section_data): Ditto.
6450         (Output_attributes_section_data::do_write): Ditto.
6451         * attributes.h (Object_attribute::set_type): Ditto.
6452         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6454 2009-12-11  Nick Clifton  <nickc@redhat.com>
6456         * archive.cc: Fix shadowed variable warnings.
6457         * arm.cc: Likewise.
6458         * compressed_output.cc: Likewise.
6459         * compressed_output.h: Likewise.
6460         * configure: Likewise.
6461         * dwarf_reader.cc: Likewise.
6462         * dynobj.cc: Likewise.
6463         * dynobj.h: Likewise.
6464         * ehframe.cc: Likewise.
6465         * ehframe.h: Likewise.
6466         * errors.cc: Likewise.
6467         * expression.cc: Likewise.
6468         * fileread.cc: Likewise.
6469         * fileread.h: Likewise.
6470         * freebsd.h: Likewise.
6471         * i386.cc: Likewise.
6472         * icf.cc: Likewise.
6473         * incremental.h: Likewise.
6474         * layout.cc: Likewise.
6475         * layout.h: Likewise.
6476         * mapfile.cc: Likewise.
6477         * merge.cc: Likewise.
6478         * merge.h: Likewise.
6479         * object.cc: Likewise.
6480         * object.h: Likewise.
6481         * options.h: Likewise.
6482         * output.cc: Likewise.
6483         * output.h: Likewise.
6484         * parameters.cc: Likewise.
6485         * plugin.cc: Likewise.
6486         * powerpc.cc: Likewise.
6487         * reduced_debug_output.cc: Likewise.
6488         * reduced_debug_output.h: Likewise.
6489         * reloc.cc: Likewise.
6490         * reloc.h: Likewise.
6491         * resolve.cc: Likewise.
6492         * script-sections.cc: Likewise.
6493         * script.cc: Likewise.
6494         * script.h: Likewise.
6495         * sparc.cc: Likewise.
6496         * symtab.cc: Likewise.
6497         * symtab.h: Likewise.
6498         * target-select.cc: Likewise.
6499         * target-select.h: Likewise.
6500         * token.h: Likewise.
6501         * workqueue.cc: Likewise.
6502         * workqueue.h: Likewise.
6503         * x86_64.cc: Likewise.
6505 2009-12-10  Doug Kwan  <dougkwan@google.com>
6507         * arm.cc (attributes.h): New include.
6508         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6509         (Arm_relobj::~Arm_relobj): Delete object pointed by
6510         attributes_section_data_.
6511         (Arm_relobj::attributes_section_data): New method definition.
6512         (Arm_relobj::attributes_section_data_): New data member declaration.
6513         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6514         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6515         attributes_section_data_.
6516         (Arm_dynobj::attributes_section_data): New method definition.
6517         (Arm_dynobj::attributes_section_data_): New data member declaration.
6518         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6519         initialization value of may_use_blx_ to false.
6520         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6521         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6522         object attributes to compute results instead of hard-coding.
6523         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6524         Target_arm::get_secondary_compatible_arch,
6525         Target_arm::set_secondary_compatible_arch
6526         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6527         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6528         New method declarations.
6529         (Target_arm::get_aeabi_object_attribute): New method definition.
6530         (Target_arm::attributes_section_data_): New data member declaration.
6531         (read_arm_attributes_section): New template definition.
6532         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6533         (Arm_dynobj::do_read_symbols): Ditto.
6534         (Target_arm::do_finalize_sections): Merge attributes sections from
6535         input.  Check for BLX use after attributes section merging.
6536         Fix __exidx_start and __exidx_end visibility.  Create an
6537         .ARM.attributes section if necessary.
6538         (Target_arm::get_secondary_compatible_arch,
6539         Target_arm::set_secondary_compatible_arch,
6540         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6541         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6542         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6543         New method definitions.
6545 2009-12-09  Ian Lance Taylor  <iant@google.com>
6547         * plugin.cc (Plugin::load): Don't cast from void* to a function
6548         pointer.
6550 2009-12-09  Ian Lance Taylor  <iant@google.com>
6552         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6553         information fields.
6555 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6557         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6558         Replace two_file_shared_1.so with two_file_shared_2.so.
6559         * testsuite/Makefile.in: Regenerated.
6561 2009-12-08  Doug Kwan  <dougkwan@google.com>
6563         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6564         (HFILES): Add attributes.h and int_encoding.h.
6565         * Makefile.in: Regenerate.
6566         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6567         function definitions to int_encoding.cc
6568         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6569         prototypes to int_encoding.h
6570         * reduced_debug_output.cc (int_encoding.h): New include.
6571         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6572         function definitions to int_encoding.cc
6573         (insert_into_vector, read_from_pointer): Move template definitions to
6574         int_encoding.h
6575         * attributes.cc: New file.
6576         * attributes.h: New file.
6577         * int_encoding.cc: New file.
6578         * int_encoding.h: New file.
6580 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6582         PR gold/11055
6583         * incremental-dump.cc (dump_incremental_inputs): New.
6584         (main): Use dump_incremental_inputs.
6586 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6588         PR gold/10893
6589         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6590         checking elfcpp::STT_FUNC.
6591         (Target_i386::Relocate::relocate): Likewise.
6592         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6594         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6595         symbols from shared libraries into normal FUNC symbols.
6597         * symtab.h (Symbol): Add is_func and use it.
6599 2009-12-05  Doug Kwan  <dougkwan@google.com>
6601         * arm.cc (Target_arm::arm_info): Initialize new fields
6602         attributes_section and attributes_vendor.
6603         * i386.cc (Target_i386::i386_info): Same.
6604         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6605         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6606         fields attributes_section and attributes_vendor.
6607         * sparc.cc (Target_sparc::sparc_info): Same.
6608         * target.h (Target::attributes_section, Target::attributes_vendor,
6609         Target::is_attributes_section, Target::attribute_arg_type,
6610         Target::attributes_order): New method definitions.
6611         (Target::Target_info::attributes_section,
6612         Target::Target_info::attributes_vendor): New fields.
6613         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6614         virtual method definitions.
6615         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6616         attributes_section and attributes_vendor.
6617         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6619 2009-12-05  Doug Kwan  <dougkwan@google.com>
6621         * arm.cc: Update comments about interworking and stub generation.
6622         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6623         considered as non-PIC.
6624         (Arm_relocate_functions::base_abs): Fix formatting.
6625         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6626         of function to use GOT entry address instead of offset.
6627         (Target_arm::Scan::global): Issue an error if a symbol would need a
6628         PLT does not get one because it is untyped.  Remove code to create
6629         dynamic symbols for relative branches.
6630         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6631         takes unsigned integer instead of boolean.
6633 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6635         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6636         (two_file_test_LDADD): Likewise.
6637         (common_test_1_LDADD): Likewise.
6638         (exception_test_LDADD) Likewise.
6639         (weak_test_LDADD): Likewise.
6640         (many_sections_test_LDADD): Likewise.
6641         (initpri1_LDADD): Likewise.
6642         (script_test_1_LDADD): Likewise.
6643         (script_test_2_LDADD): Likewise.
6644         (justsyms_LDADD): Likewise.
6645         (binary_test_LDADD): Likewise.
6646         (large_LDADD): Likewise.
6647         * testsuite/Makefile.in: Regenerated.
6649 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6651         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6652         (Symbol_table::override_with_special): Likewise.
6653         (Symbol_table::add_from_object): Likewise.
6655 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6657         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6658         Don't set the data_offset twice.
6660 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6662         * testsuite/Makefile.in: Regenerate.
6664 2009-12-03  Doug Kwan  <dougkwan@google.com>
6666         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6667         (Target_arm::do_finalize_sections): Add parameter for symbol table
6668         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6669         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6670         parameter for symbol table pointer.
6671         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6672         an additional parameter for a pointer to symbol table.
6673         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6674         parameter for a symbol table pointer.
6675         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6676         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6677         Ditto.
6678         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6679         parameter for a symbol table pointer.
6681 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6683         * incremental.cc (Incremental_inputs_header)
6684         (Incremental_inputs_header_write, Incremental_inputs_entry)
6685         (Incremental_inputs_entry_write): Move ...
6686         * incremental.h (Incremental_inputs_header)
6687         (Incremental_inputs_header_write, Incremental_inputs_entry)
6688         (Incremental_inputs_entry_write): here.
6690 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6692         * incremental.cc (make_sized_incremental_binary): Set the target.
6693         Error if it is incompatible.
6694         * output.h (Output_file): Add filename method.
6696 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6698         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6699         from the get_* methods.
6701 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6703         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6704         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6705         Write 0 for the data_offset of scripts.
6707 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6709         * testsuite/Makefile.am: Add the incremental_test.sh test.
6710         * testsuite/incremental_test.sh: New.
6711         * testsuite/incremental_test_1.c: New.
6712         * testsuite/incremental_test_2.c: New.
6714 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6716        * incremental-dump.cc (main): Fix typos.
6718 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6720         PR gold/11025
6721         * incremental-dump.cc (main): Use llu to print 64 bit values.
6723 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6724             H.J. Lu  <hongjiu.lu@intel.com>
6726         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6727         $(LIBDL).
6728         (incremental_dump_LDADD): Likewise.
6729         * Makefile.in: Regenerated.
6731 2009-11-25  Doug Kwan  <dougkwan@google.com>
6733         Revert:
6735         2009-11-25  Doug Kwan  <dougkwan@google.com>
6737                 * arm.cc (Target_arm::Target_arm): Move method definition
6738                 outside of class definition.  Add code to handle
6739                 --target1-rel, --target1-abs and --target2= options.
6740                 (Target_arm::get_reloc_reloc_type): Change method to be
6741                 non-static and const.
6742                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6743                 New data member declaration.
6744                 (Target_arm::Scan::local, Target_arm::Scan::global,
6745                 Target_arm::Relocate::relocate,
6746                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6747                 Adjust call to Target_arm::get_real_reloc_type.
6748                 (Target_arm::get_real_reloc_type): Use command line options
6749                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6750                 * options.h (--target1-rel, --target1-abs, --target2): New
6751                 ARM-only options.
6753 2009-11-25  Doug Kwan  <dougkwan@google.com>
6755         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6756         class definition.  Add code to handle --target1-rel, --target1-abs
6757         and --target2= options.
6758         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6759         and const.
6760         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6761         member declaration.
6762         (Target_arm::Scan::local, Target_arm::Scan::global,
6763         Target_arm::Relocate::relocate,
6764         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6765         call to Target_arm::get_real_reloc_type.
6766         (Target_arm::get_real_reloc_type): Use command line options to
6767         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6768         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6769         options.
6771 2009-11-25  Doug Kwan  <dougkwan@google.com>
6773         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6774         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6775         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6776         formatting.
6777         (Arm_relocate_functions::thm_call): Replace body with a call to
6778         Arm_relocate_functions::thumb_branch_common.
6779         (Arm_relocate_functions::thm_jump24,
6780         Arm_relocate_functions::thm_xpc22): New method definitions.
6781         (Arm_relocate_functions::thumb_branch_common): New method definition.
6782         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6783         operator.
6784         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6785         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6787 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6789         * Makefile.am: Build incremental-dump
6790         * Makefile.in: Regenerate.
6791         * incremental-dump.cc: New.
6792         * incremental.cc (Incremental_inputs_header_data,
6793         Incremental_inputs_entry_data): Move to incremental.h
6794         * incremental.h: (Incremental_inputs_header_data,
6795         Incremental_inputs_entry_data): Move from incremental.cc
6797 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6799         * incremental.cc (Incremental_inputs_header,
6800         Incremental_inputs_header_write, Incremental_inputs_entry,
6801         Incremental_inputs_entry_write): Add a typedef with the data type.
6803 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6805         * incremental.cc (Incremental_inputs_header,
6806         Incremental_inputs_header_write, Incremental_inputs_entry,
6807         Incremental_inputs_entry_write): Update comment about which
6808         type has the filed descriptions.
6810 2009-11-15  Doug Kwan  <dougkwan@google.com>
6812         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6813         (Arm_relocate_functions::arm_branch_common): Change method defintion
6814         in class definition to a method declaration and update list of formal
6815         parameters.
6816         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6817         Arm_relocation_functions::jump24): Adjust call to
6818         Arm_relocate_functions::arm_branch_common.  Update list of formal
6819         parameters.
6820         (Arm_relocate_functions::xpc25): New method definition.
6821         (Arm_relocate_functions::arm_branch_common): Move method defintion
6822         out from class definition.  Use stubs for mode-switching and extending
6823         branch ranges.
6824         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6825         specially.  Change code to enable use of stubs in ARM branches.
6827 2009-11-10  Doug Kwan  <dougkwan@google.com>
6829         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6830         in method declaration.
6831         (Target_arm::relocate_stub): New method declaration.
6832         (Target_arm::default_target): Change to return a pointer instead of
6833         a const reference.
6834         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6835         Target_arm::default_target.
6836         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6837         method definition.
6838         (Target_arm::relocate_section): Adjust view.
6839         (Target_arm::relocate_stub): New method definition.
6841 2009-11-10  Doug Kwan  <dougkwan@google.com>
6843         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6844         a format warning.
6845         * incremental.cc (open_incremental_binary): Initialized local
6846         variables to avoid warnings.
6847         * object.cc (make_elf_object): Ditto.
6848         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6849         a format warning.
6851 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6853         PR gold/10930
6854         * testsuite/plugin_test.c: Include "config.h".
6856 2009-11-09  Doug Kwan  <dougkwan@google.com>
6858         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6859         (arm_symbol_value): Remove.
6860         (Arm_relocate_functions::arm_branch_common,
6861         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6862         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6863         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6864         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6865         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6866         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6867         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6868         Arm_relocate_functions::thm_mobw_abs_nc,
6869         Arm_relocate_functions::thm_mov_abs,
6870         Arm_relocate_functions::movw_prel_nc,
6871         Arm_relocate_functions::thm_movt_abs,
6872         Arm_relocate_functions::movt_prel,
6873         Arm_relocate_functions::thm_movw_prel_nc,
6874         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6875         (Target_arm::Relocate::relocate): Only decompose address into two
6876         parts if relocation type uses the thumb-bit and pass the actual
6877         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6878         calls to methods in Arm_relocate_functions for this change.
6880 2009-11-08  Ian Lance Taylor  <iant@google.com>
6882         PR 10925
6883         * reloc.cc: Instantiate
6884         Sized_relobj::initialize_input_to_output_maps and
6885         Sized_relobj:free_input_to_output_maps.
6887 2009-11-06  Ian Lance Taylor  <iant@google.com>
6889         PR 10876
6890         * defstd.cc (in_segment): Set only_if_ref true for "end".
6892 2009-11-06  Doug Kwan  <dougkwan@google.com>
6894         * arm.cc (class Reloc_stub): Correct a comment.
6895         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6896         (Target_arm::scan_section_for_stubs): New method declaration.
6897         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6898         Change methods from private to protected.
6899         (Target_arm::do_may_relax): New method definition.
6900         (Target_arm::do_relax, Target_arm::group_sections,
6901         Target_arm::scan_reloc_for_stub,
6902         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6903         (Target_arm::arm_input_section_map_): New data member declaration.
6904         (Target_arm::scan_reloc_for_stub,
6905         Target_arm::scan_reloc_section_for_stubs,
6906         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6907         Target_arm::do_relax): New method definitions.
6909 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6911         * configure.ac: Check for (struct stat)::st_mtim
6912         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6913         * config.in: Regenerate.
6914         * configure: Regenerate.
6916 2009-11-05  Ian Lance Taylor  <iant@google.com>
6918         PR 10910
6919         * output.cc (Output_segment::add_output_section): Add missing
6920         return statement.
6922 2009-11-04  Ian Lance Taylor  <iant@google.com>
6924         PR 10880
6925         * object.h (class Object): Add is_needed and set_is_needed
6926         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6927         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6928         defined in a dynamic object and referenced by a regular object,
6929         set is_needed for the dynamic object.
6930         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6931         if the file is marked with as_needed and it is not needed.
6933 2009-11-04  Ian Lance Taylor  <iant@google.com>
6935         PR 10887
6936         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6937         tags if data is discarded by linker script.
6938         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6939         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6940         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6941         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6943 2009-11-04  Ian Lance Taylor  <iant@google.com>
6945         * layout.cc (Layout::get_output_section): Add is_interp and
6946         is_dynamic_linker_section parameters.  Change all callers.
6947         (Layout::choose_output_section): Likewise.
6948         (Layout::make_output_section): Likewise.
6949         (Layout::add_output_section_data): Add is_dynamic_linker_section
6950         parameter.  Change all callers.
6951         * layout.h (class Layout): Update declarations.
6952         * output.h (class Output_section): Add is_interp, set_is_interp,
6953         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6954         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6955         generate_code_fills_at_write_ to a bitfield.
6956         * output.cc (Output_section::Output_sections): Initialize new
6957         fields.
6958         (Output_segment::add_output_section): Add do_sort parameter.
6959         Change all callers.
6961 2009-11-03  Ian Lance Taylor  <iant@google.com>
6963         PR 10860
6964         * options.h (class General_options): Add --warn-common.
6965         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6966         merging two common symbols.
6967         (Symbol_table::should_override): Handle --warn-common when merging
6968         a common symbol with a defined symbol.  Use report_resolve_problem
6969         for multiple definitions.
6970         (Symbol_table::report_resolve_problem): New function.
6971         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6973 2009-11-03  Doug Kwan  <dougkwan@google.com>
6975         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6976         stub_factory_.
6977         (Target_arm::stub_factory): New method definition.
6978         (Target_arm::new_arm_input_section,
6979         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6980         Target_arm::reloc_uses_thumb_bit): New method declarations.
6981         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6982         New type definitions.
6983         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6984         member declarations.
6985         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6986         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6987         New method definitions.
6989 2009-11-03  Ian Lance Taylor  <iant@google.com>
6991         * options.h (class General_options): Add --warn_constructors.
6993 2009-11-03  Ian Lance Taylor  <iant@google.com>
6995         PR 10893
6996         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6997         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6999 2009-11-03  Ian Lance Taylor  <iant@google.com>
7001         PR 10895
7002         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7003         --msgid-bugs-address.
7004         (install-pdf): New target.
7005         (install-data_yes): Look up one directory to find mkinstalldirs.
7007 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7009         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7010         tree.
7012 2009-10-30  Doug Kwan  <dougkwan@google.com>
7014         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7016 2009-10-30  Doug Kwan  <dougkwan@google.com>
7018         * arm.cc (Stub_addend_reader): New struct template definition
7019         and partial specializations.
7020         (Stub_addend_reader::operator()): New method definition for a
7021         partially specialized template.
7023 2009-10-30  Doug Kwan  <dougkwan@google.com>
7025         * arm.cc (Arm_relobj::processor_specific_flags): New method
7026         definition.
7027         (Arm_relobj::do_read_symbols): New method declaration.
7028         (Arm_relobj::processor_specific_flags_): New data member declaration.
7029         (Arm_dynobj): New class definition.
7030         (Target_arm::do_finalize_sections): Add input_objects parameter.
7031         (Target_arm::do_adjust_elf_header): New method declaration.
7032         (Target_arm::are_eabi_versions_compatible,
7033         (Target_arm::merge_processor_specific_flags): New method declaration.
7034         (Target_arm::do_make_elf_object): New overloaded method definitions
7035         and declaration.
7036         (Arm_relobj::do_read_symbols): New method definition.
7037         (Arm_dynobj::do_read_symbols): Ditto.
7038         (Target_arm::do_finalize_sections): Add input_objects parameters.
7039         Merge processor-specific flags from all input objects.
7040         (Target_arm::are_eabi_versions_compatible,
7041         Target_arm::merge_processor_specific_flags,
7042         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7043         New method definitions.
7044         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7045         Input_objects pointer type parameter.
7046         * layout.cc (Layout::finalize): Pass input objects to target's.
7047         finalize_sections function.
7048         * output.cc (Output_file_header::do_sized_write): Set ELF file
7049         header's processor-specific flags.
7050         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7051         Input_objects pointer type parameter.
7052         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7053         * target.h (Input_objects): New forward class declaration.
7054         (Target::processor_specific_flags,
7055         Target::are_processor_specific_flags_sect): New method definitions.
7056         (Target::finalize_sections): Add input_objects parameter.
7057         (Target::Target): Initialize processor_specific_flags_ and
7058         are_processor_specific_flags_set_.
7059         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7060         parameter.
7061         (Target::set_processor_specific_flags): New method definition.
7062         (Target::processor_specific_flags_,
7063         Target::are_processor_specific_flags_set_): New data member
7064         declarations.
7065         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7066         Input_objects pointer type parameter.
7068 2009-10-30  Doug Kwan  <dougkwan@google.com>
7070         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7072 2009-10-28  Ian Lance Taylor  <iant@google.com>
7074         * object.h (class Relobj): Drop options parameter from
7075         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7076         do_scan_relocs, do_relocate.  Change all callers.
7077         (class Sized_relobj): Drop options parameters from
7078         do_gc_process_relocs, do_scan_relocs, do_relocate,
7079         do_relocate_sections, relocate_sections, emit_relocs_scan,
7080         emit_relocs_scan_reltype.  Change all callers.
7081         (struct Relocate_info): Remove options field and all references to
7082         it.
7083         * reloc.h (class Read_relocs): Remove options constructor
7084         parameter and options_ field.  Change all callers.
7085         (class Gc_process_relocs, class Scan_relocs): Likewise.
7086         (class Relocate_task): Likewise.
7087         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7088         all callers.
7089         (scan_relocatable_relocs): Likewise.
7090         * target.h (class Sized_target): Remove options parameter from
7091         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7092         all callers.
7093         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7094         callers.
7095         * arm.cc: Update functions to remove options parameters.
7096         * i386.cc: Likewise.
7097         * powerpc.cc: Likewise.
7098         * sparc.cc: Likewise.
7099         * x86_64.cc: Likewise.
7100         * testsuite/testfile.cc: Likewise.
7102 2009-10-28  Doug Kwan  <dougkwan@google.com>
7104         * arm.cc (Arm_relobj): New class definition.
7105         (Arm_relobj::scan_sections_for_stubs,
7106         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7107         New method definitions.
7109 2009-10-28  Cary Coutant  <ccoutant@google.com>
7111         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7112         (Plugin::cleanup_done_): New member.
7113         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7114         (Plugin_manager::cleanup_done_): Remove.
7115         (Plugin_manager::add_input_file): Edit error message.
7116         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7117         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7119 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7121         * fileread.cc: (File_read::View::~View): Use the new
7122         data_ownership_ filed.
7123         (File_read::~File_read): Dispose the new whole_file_view_.
7124         (File_read::open): Mmap the whole file if needed.
7125         (File_read::open): Use whole_file_view_ instead of contents_.
7126         (File_read::find_view): Use whole_file_view_ if applicable.
7127         (File_read::do_read): Use whole_file_view_ instead of contents_.
7128         (File_read::make_view): Use whole_file_view_ instead of contents_,
7129         update File_read::View::View call.
7130         (File_read::find_or_make_view): Update File_read::View::View
7131         call.
7132         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7133         remove contents_
7134         (File_read::View::Data_ownership): New enum.
7135         (File_read::View::View): Replace bool mapped_ with Data_ownership
7136         argument.
7137         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7138         (File_read::View::data_ownership_): New field.
7139         (File_read::contents_): Remove (replaced by whole_file_view_).
7140         (File_read::whole_file_view_): New field.
7141         * options.h (class General_options): Add --keep-files-mapped.
7143 2009-10-27  Cary Coutant  <ccoutant@google.com>
7145         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7146         * testsuite/Makefile.am (plugin_test_5): New test case.
7147         * testsuite/Makefile.in: Regenerate.
7149 2009-10-25  Doug Kwan  <dougkwan@google.com>
7151         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7152         from private to protected to allow access by child class.
7153         (Sized_relobj::do_relocate_sections): New method declaration.
7154         (Sized_relobj::relocate_sections): Virtualize.
7155         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7156         Sized_relobj::relocate_sections.  Instantiate template explicitly
7157         for different target sizes and endianity.
7159 2009-10-24  Doug Kwan  <dougkwan@google.com>
7161         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7162         (Arm_input_section::as_arm_input_section): New method.
7163         (Arm_output_section): New class definition.
7164         (Arm_output_section::create_stub_group,
7165         Arm_output_section::group_sections): New method definitions.
7167 2009-10-22  Doug Kwan  <dougkwan@google.com>
7169         * arm.cc (Arm_input_section): New class definition.
7170         (Arm_input_section::init, Arm_input_section:do_write,
7171         Arm_input_section::set_final_data_size,
7172         Arm_input_section::do_reset_address_and_file_offset): New method
7173         definitions.
7175 2009-10-21  Doug Kwan  <dougkwan@google.com>
7177         * arm.cc (Stub_table, Arm_input_section): New forward class
7178         declarations.
7179         (Stub_table): New class defintion.
7180         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7181         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7182         New method definition.
7184 2009-10-21  Doug Kwan  <dougkwan@google.com>
7186         * arm.cc: Update copyright comments.
7187         (Target_arm): New forward class template declaration.
7188         (Arm_address): New type.
7189         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7190         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7191         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7192         constants.
7193         (Insn_template): Same.
7194         (DEF_STUBS): New macro.
7195         (Stub_type): New enum type.
7196         (Stub_template): New class definition.
7197         (Stub): Same.
7198         (Reloc_stub): Same.
7199         (Stub_factory): Same.
7200         (Target_arm::Target_arm): Initialize may_use_blx_ and
7201         should_force_pic_veneer_.
7202         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7203         Target_arm::should_force_pic_veneer,
7204         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7205         Target_arm::using_thumb_only, Target_arm:;default_target): New
7206         method defintions.
7207         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7208         New data member declarations.
7209         (Insn_template::size, Insn_template::alignment): New method defintions.
7210         (Stub_template::Stub_template): New method definition.
7211         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7212         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7213         (Stub_factory::Stub_factory): New method definition.
7214         * gold.h (string_hash): New template.
7215         * output.h (Input_section_specifier::hash_value): Use
7216         gold::string_hash.
7217         (Input_section_specifier::string_hash): Remove.
7218         * stringpool.cc (Stringpool_template::string_hash): Use
7219         gold::string_hash.
7221 2009-10-20  Doug Kwan  <dougkwan@google.com>
7223         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7224         symbols of relaxed input sections.
7225         * output.h (Output_section::find_relaxed_input_section): Make
7226         method public.
7228 2009-10-16  Doug Kwan  <dougkwan@google.com>
7230         * dynobj.cc (Versions::Versions): Initialize version_script_.
7231         Only insert base version symbol definition for a shared object
7232         if version script defines any version versions.
7233         (Versions::define_base_version): New method definition.
7234         (Versions::add_def): Check that base version is not needed.
7235         (Versions::add_need): Define base version lazily.
7236         * dynobj.h (Versions::define_base_version): New method declaration.
7237         (Versions::needs_base_version_): New data member declaration.
7238         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7239         (check_DATA): Add no_version_test.stdout.
7240         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7241         New make rules.
7242         * testsuite/Makefile.in: Regenerate.
7243         * testsuite/no_version_test.c: New file.
7244         * testsuite/no_version_test.sh: Ditto.
7246 2009-10-16  Doug Kwan  <dougkwan@google.com>
7248         * expression.cc (class Segment_start_expression): New class definition.
7249         (Segment_start_expression::value): New method definition.
7250         (script_exp_function_segment_start): Return a new
7251         Segment_start_expression.
7252         * gold/script-c.h (script_saw_segment_start_expression): New function
7253         prototype.
7254         * script-sections.cc (Script_sections::Script_sections): Initialize
7255         SAW_SEGMENT_START_EXPRESSION_ to false.
7256         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7257         and -Tbbs options to specify section addresses if given in
7258         command line and no SEGMENT_START expression is seen in a script.
7259         * script-sections.h (Script_sections::saw_segment_start_expression,
7260         Script_sections::set_saw_segment_start_expression): New method
7261         definition.
7262         (Script_sections::saw_segment_start_expression_): New data member
7263         declaration.
7264         * script.cc (script_saw_segment_start_expression): New function.
7265         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7266         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7267         script_test_7.sh and script_test_8.sh.
7268         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7269         script_test_8.stdout.
7270         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7271         (script_test_6, script_test_6.stdout, script_test_7,
7272         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7273         * Makefile.in: Regenerate.
7274         * testsuite/script_test_6.sh: New file.
7275         * testsuite/script_test_6.t: Same.
7276         * testsuite/script_test_7.sh: Same.
7277         * testsuite/script_test_7.t: Same.
7278         * testsuite/script_test_8.sh: Same.
7280 2009-10-16  Doug Kwan  <dougkwan@google.com>
7282         * output.cc (Output_segment::set_section_list_address): Cast
7283         expressions to unsigned long long type to avoid format warnings.
7285 2009-10-15  Ian Lance Taylor  <iant@google.com>
7287         * script.cc (Script_options::add_symbol_assignment): Always add a
7288         dot assignment to script_sections_.
7289         * script-sections.cc (Script_sections::add_dot_assignment):
7290         Initialize if necessary.
7292         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7293         program headers with no load segment if there is a linker script.
7295         * layout.cc (Layout::set_segment_offsets): Align the file offset
7296         to the segment aligment for -N or -n with no load segment.
7297         * output.cc (Output_segment::add_output_section): Don't crash if
7298         the first section is a TLS section.
7299         (Output_segment::set_section_list_addresses): Print an error
7300         message if the address moves backward in a linker script.
7301         * script-sections.cc
7302         (Output_section_element_input::set_section_addresses): Don't
7303         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7304         (Orphan_output_section::set_section_addresses): Likewise.
7306 2009-10-15  Doug Kwan  <dougkwan@google.com>
7308         * layout.cc (Layout::finish_dynamic_section): Generate tags
7309         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7310         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7311         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7313 2009-10-14  Ian Lance Taylor  <iant@google.com>
7315         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7316         fields.
7317         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7318         data_shdr fields of relinfo.
7319         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7320         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7321         R_386_TLS_LDO_32, adjust based on section flags.
7322         (Target_i386::Relocate::fix_up_ldo): Remove.
7324 2009-10-13  Ian Lance Taylor  <iant@google.com>
7326         Add support for -pie.
7327         * options.h (class General_options): Add -pie and
7328         --pic-executable.
7329         (General_options::output_is_position_independent): Test -pie.
7330         (General_options::output_is_executable): Return true if not shared
7331         and not relocatable.
7332         (General_options::output_is_pie): Remove.
7333         * options.cc (General_options::finalize): Reject incompatible uses
7334         of -pie.
7335         * gold.cc (queue_middle_tasks): A -pie link is not static.
7336         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7337         * symtab.cc (Symbol::final_value_is_known): Return false if
7338         output_is_position_independent.
7339         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7340         output_is_position_independent.
7341         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7342         output_is_position_independent.
7343         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7344         output_is_position_independent.
7345         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7346         two_file_pie_test.
7347         (basic_pie_test.o, basic_pie_test): New targets.
7348         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7349         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7350         (two_file_pie_test): New target.
7351         * testsuite/Makefile.in: Rebuild.
7352         * README: Remove note saying that -pie is not supported.
7354 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7356         * options.h (class General_options): Add -init and -fini.
7357         * layout.cc (Layout::finish_dynamic_section): Emit
7358         given init and fini functions.
7360 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7362         * gc.h (gc_process_relocs): Check if icf is enabled using new
7363         function.
7364         * gold.cc (queue_initial_tasks): Likewise.
7365         (queue_middle_tasks): Likewise.
7366         * object.cc (do_layout): Likewise.
7367         * symtab.cc (is_section_folded): Likewise.
7368         * main.cc (main): Likewise.
7369         * reloc.cc (Read_relocs::run): Likewise.
7370         (Sized_relobj::do_scan_relocs): Likewise.
7371         * icf.cc (is_function_ctor_or_dtor): New function.
7372         (Icf::find_identical_sections): Check if function is ctor or dtor when
7373         safe icf is chosen.
7374         * options.h (General_options::icf): Change option to be an enum.
7375         (Icf_status): New enum.
7376         (icf_enabled): New method.
7377         (icf_safe_folding): New method.
7378         (set_icf_status): New method.
7379         (icf_status_): New variable.
7380         * (options.cc) (General_options::finalize): Set icf_status_.
7381         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7382         icf_test and icf_keep_unique_test to use the --icf enum flag.
7383         * testsuite/icf_safe_test.sh: New file.
7384         * testsuite/icf_safe_test.cc: New file.
7386 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7388         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7389         includes to gc.h and icf.h.
7390         * arm.cc: Include gc.h.
7391         * gold.cc: Likewise.
7392         * i386.cc: Likewise.
7393         * powerpc.cc: Likewise.
7394         * sparc.cc: Likewise.
7395         * x86_64.cc: Likewise.
7396         * gc.h: Include icf.h.
7398 2009-10-11  Ian Lance Taylor  <iant@google.com>
7400         * plugin.cc: Include "gold.h" before other header files.
7402 2009-10-10  Chris Demetriou  <cgd@google.com>
7404         * options.h (Input_file_argument::Input_file_type): New enum.
7405         (Input_file_argument::is_lib_): Replace with...
7406         (Input_file_argument::type_): New member.
7407         (Input_file_argument::Input_file_argument): Take Input_file_type
7408         'type' rather than boolean 'is_lib' as second argument.
7409         (Input_file_argument::is_lib): Use type_.
7410         (Input_file_argument::is_searched_file): New function.
7411         (Input_file_argument::may_need_search): Handle is_searched_file.
7412         * options.cc (General_options::parse_library): Support -l:filename.
7413         (General_options::parse_just_symbols): Update for Input_file_argument
7414         changes.
7415         (Command_line::process): Likewise.
7416         * archive.cc (Archive::get_file_and_offset): Likewise.
7417         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7418         * script.cc (read_script_file, script_add_file): Likewise.
7419         * fileread.cc (Input_file::Input_file): Likewise.
7420         (Input_file::will_search_for): Handle is_searched_file.
7421         (Input_file::open): Likewise.
7422         * readsyms.cc (Read_symbols::get_name): Likewise.
7423         * testsuite/Makefile.am (searched_file_test): New test.
7424         * testsuite/Makefile.in: Regenerate.
7425         * testsuite/searched_file_test.cc: New file.
7426         * testsuite/searched_file_test_lib.cc: New file.
7428 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7429             Ian Lance Taylor  <iant@google.com>
7431         * descriptor.cc: Include <cstdio> and "binary-io.h".
7432         (Descriptors::open): Open the files in binary mode always.
7433         * script.cc (Lex::get_token): Treat \r as whitespace.
7435 2009-10-09  Ian Lance Taylor  <iant@google.com>
7437         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7439 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7440             Ian Lance Taylor  <iant@google.com>
7442         * configure.ac: Check for readv function also.
7443         * fileread.cc (readv): Define if not HAVE_READV.
7444         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7445         does not exist.
7446         * config.in: Regenerate.
7447         * configure: Regenerate.
7449 2009-10-09  Doug Kwan  <dougkwan@google.com>
7451         * layout.cc (Layout::make_output_section): Call target hook to make
7452         ordinary output section.
7453         (Layout::finalize): Adjust parameter list of call the
7454         Target::may_relax().
7455         * layout.h (class Layout::section_list): New method.
7456         * merge.h (Output_merge_base::entsize): Change visibility to public.
7457         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7458         New methods.
7459         (Output_merge_string::do_is_string): New method.
7460         * object.cc (Sized_relobj::do_setup): renamed from
7461         Sized_relobj::set_up.
7462         * object.h (Sized_relobj::adjust_shndx,
7463         Sized_relobj::initializ_input_to_output_maps,
7464         Sized_relobj::free_input_to_output_maps): Change visibilities to
7465         protected.
7466         (Sized_relobj::setup): Virtualize.
7467         (Sized_relobj::do_setup): New method declaration.
7468         (Sized_relobj::invalidate_section_offset,
7469         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7470         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7471         * options.cc (parse_int): New function.
7472         * options.h (parse_int): New declaration.
7473         (DEFINE_int): New macro.
7474         (stub_group_size): New option.
7475         * output.cc (Output_section::Output_section): Initialize memebers
7476         merge_section_map_, merge_section_by_properties_map_,
7477         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7478         (Output_section::add_input_section): Handled deferred code-fill
7479         generation and remove an old comment.
7480         (Output_section::add_relaxed_input_section): New method definition.
7481         (Output_section::add_merge_input_section): Use merge section by
7482         properties map to speed to search.  Update merge section maps
7483         as appropriate.
7484         (Output_section::build_relaxation_map): New method definition.
7485         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7486         Same.
7487         (Output_section::relax_input_section): Renamed to
7488         Output_section::convert_input_sections_to_relaxed_sections and change
7489         interface to take a vector of pointers to relaxed sections.
7490         (Output_section::find_merge_section,
7491         Output_section::find_relaxed_input_section): New method definitions.
7492         (Output_section::is_input_address_mapped,
7493         Output_section::output_offset, Output_section::output_address):
7494         Use output section data maps to speed up searching.
7495         (Output_section::find_starting_output_address): Add comments.
7496         (Output_section::do_write,
7497         Output_section::write_to_postprocessing_buffer): Do code-fill
7498         generation as appropriate.
7499         (Output_section::get_input_sections): Invalidate relaxed input section
7500         map.
7501         (Output_section::restore_states): Adjust type of checkpoint .
7502         Invalidate relaxed input section map.
7503         * output.h (Output_merge_base): New class declaration.
7504         (Input_section_specifier): New class defintion.
7505         (class Output_relaxed_input_section) Change base class to
7506         Output_section_data_build.
7507         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7508         base class initializer.
7509         (Output_section::add_relaxed_input_section): New method declaration.
7510         (Output_section::Input_section): Change visibility to protected.
7511         (Output_section::Input_section::relobj,
7512         Output_section::Input_section::shndx): Handle relaxed input sections.
7513         Output_section::input_sections) Change visibility to protected.  Also
7514         define overload to return a non-const pointer.
7515         (Output_section::Merge_section_properties): New class defintion.
7516         (Output_section::Merge_section_by_properties_map,
7517         Output_section::Output_section_data_by_input_section_map,
7518         Output_section::Relaxation_map): New types.
7519         (Output_section::relax_input_section): Rename method to
7520         Output_section::convert_input_sections_to_relaxed_sections and change
7521         interface to take a vector of relaxed section pointers.
7522         (Output_section::find_merge_section,
7523         Output_section::find_relaxed_input_section,
7524         Output_section::build_relaxation_map,
7525         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7526         New method declarations.
7527         (Output_section::merge_section_map_
7528         Output_section::merge_section_by_properties_map_,
7529         Output_section::relaxed_input_section_map_,
7530         Output_section::is_relaxed_input_section_map_valid_,
7531         Output_section::generate_code_fills_at_write_): New data members.
7532         * script-sections.cc
7533         (Output_section_element_input::set_section_addresses): Call
7534         current_data_size and addralign methods of relaxed input sections.
7535         (Orphan_output_section::set_section_addresses): Call current_data_size
7536         and addralign methods of relaxed input sections.
7537         * symtab.cc (Symbol_table::compute_final_value): Extract template
7538         from the body of Symbol_table::sized_finalize_symbol.
7539         (Symbol_table::sized_finalized_symbol): Call
7540         Symbol_table::compute_final_value.
7541         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7542         (Symbol_table::compute_final_value): New templated method declaration.
7543         * target.cc (Target::do_make_output_section): New method defintion.
7544         * target.h (Target::make_output_section): New method declaration.
7545         (Target::relax): Add more parameters for input objects, symbol table
7546         and layout.  Adjust call to do_relax.
7547         (Target::do_make_output_section): New method declaration.
7548         (Target::do_relax): Add parameters for input objects, symbol table
7549         and layout.
7551 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7553         * pread.c: Include stdio.h.
7555 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7557         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7558         defined.
7560 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7562         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7563         Change read_shndx type to unsigned int.
7564         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7565         int.
7566         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7567         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7568         Change read_shndx type to unsigned int.
7569         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7570         int.
7571         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7572         * layout.cc (Layout::create_symtab_sections): Cast the result of
7573         local_symcount * symsize to off_t in the gold_assert.
7575 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7577         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7578         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7579         R_ARM_BASE_ABS.
7580         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7581         (Arm_relocate_functions::thm_abs5): New function.
7582         (Arm_relocate_functions::abs12): New function.
7583         (Arm_relocate_functions::abs16): New function.
7584         (Arm_relocate_functions::base_abs): New function.
7585         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7586         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7587         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7588         R_ARM_BASE_ABS.
7589         (Scan::global): Likewise.
7590         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7591         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7592         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7593         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7594         R_ARM_BASE_ABS.
7596 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7598         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7599         (Arm_relocate_functions::movt_prel): New function.
7600         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7601         (Arm_relocate_functions::thm_movt_prel): New function.
7602         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7603         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7604         (Scan::global, Relocate::relocate): Likewise.
7605         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7607 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7609         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7610         Incremental_checker.
7611         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7612         unsigned int.
7613         (class Incremental_inputs_header): New class.
7614         (Incremental_inputs_header_writer): Edit comment.
7615         (Incremental_inputs_entry): New class.
7616         (Incremental_inputs_entry_writer): Edit comment.
7617         (Sized_incremental_binary::do_find_incremental_inputs_section):
7618         Add *strtab_shndx parameter, fill it.
7619         (Sized_incremental_binary::do_check_inputs): New method.
7620         (Incremental_checker::can_incrementally_link_output_file): Use
7621         Sized_incremental_binary::check_inputs.
7622         (Incremental_inputs::report_command_line): Save command line in
7623         command_line_.
7624         * incremental.h:
7625         (Incremental_binary::find_incremental_inputs_section): New
7626         method.
7627         (Incremental_binary::do_find_incremental_inputs_section): Add
7628         strtab_shndx parameter.
7629         (Incremental_binary::do_check_inputs): New pure virtual method.
7630         (Sized_incremental_binary::do_check_inputs): Declare.
7631         (Incremental_checker::Incremental_checker): Add incremental_inputs
7632         parameter, use it to initialize incremental_inputs_.
7633         (Incremental_checker::incremental_inputs_): New field.
7634         (Incremental_checker::command_line): New method.
7635         (Incremental_checker::inputs): New method.
7636         (Incremental_checker::command_line_): New field.
7638 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7640         * incremental.cc: Include <cstdarg> and "target-select.h".
7641         (vexplain_no_incremental): New function.
7642         (explain_no_incremental): New function.
7643         (Incremental_binary::error): New method.
7644         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7645         method.
7646         (make_sized_incremental_binary): New function.
7647         (open_incremental_binary): New function.
7648         (can_incrementally_link_file): Add checks if output is ELF and has
7649         inputs section.
7650         * incremental.h: Include "elfcpp_file.h" and "output.h".
7651         (Incremental_binary): New class.
7652         (Sized_incremental_binary): New class.
7653         (open_incremental_binary): Declare.
7654         * object.cc (is_elf_object): Use
7655         elfcpp::Elf_recognizer::is_elf_file.
7656         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7657         * output.h (Output_file::filesize): New method.
7659 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7661         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7662         New function.
7663         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7664         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7665         function.
7666         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7667         function.
7668         (Arm_relocate_functions::movw_abs_nc): New function.
7669         (Arm_relocate_functions::movt_abs): New function.
7670         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7671         (Arm_relocate_functions::thm_movt_abs): New function.
7672         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7673         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7674         (Scan::global): Likewise.
7675         (Relocate::relocate): Likewise.
7676         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7678 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7680         * arm.cc (Arm_relocate_functions::got_prel) New function.
7681         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7682         (Relocate::relocate): Likewise.
7683         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7685 2009-10-06  Ian Lance Taylor  <iant@google.com>
7687         * options.h (class General_options): Define
7688         split_stack_adjust_size parameter.
7689         * object.h (class Object): Add uses_split_stack_ and
7690         has_no_split_stack_ fields.  Add uses_split_stack and
7691         has_no_split_stack accessor functions.  Declare
7692         handle_split_stack_section.
7693         (class Reloc_symbol_changes): Define.
7694         (class Sized_relobj): Define Function_offsets.  Declare
7695         split_stack_adjust, split_stack_adjust_reltype, and
7696         find_functions.
7697         * object.cc (Object::handle_split_stack_section): New function.
7698         (Sized_relobj::do_layout): Call handle_split_stack_section.
7699         * dynobj.cc (Sized_dynobj::do_layout): Call
7700         handle_split_stack_section.
7701         * reloc.cc (Sized_relobj::relocate_sections): Call
7702         split_stack_adjust for executable sections in split_stack
7703         objects.  Pass reloc_map to relocate_section.
7704         (Sized_relobj::split_stack_adjust): New function.
7705         (Sized_relobj::split_stack_adjust_reltype): New function.
7706         (Sized_relobj::find_functions): New function.
7707         * target-reloc.h: Include "object.h".
7708         (relocate_section): Add reloc_symbol_changes parameter.  Change
7709         all callers.
7710         * target.h (class Target): Add calls_non_split method.  Declare
7711         do_calls_non_split virtual method.  Declare match_view and
7712         set_view_to_nop.
7713         * target.cc: Include "elfcpp.h".
7714         (Target::do_calls_non_split): New function.
7715         (Target::match_view): New function.
7716         (Target::set_view_to_nop): New function.
7717         * gold.cc (queue_middle_tasks): Give an error if mixing
7718         split-stack and non-split-stack objects with -r.
7719         * i386.cc (Target_i386::relocate_section): Add
7720         reloc_symbol_changes parameter.
7721         (Target_i386::do_calls_non_split): New function.
7722         * x86_64.cc (Target_x86_64::relocate_section): Add
7723         reloc_symbol_changes parameter.
7724         (Target_x86_64::do_calls_non_split): New function.
7725         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7726         parameter.
7727         * powerpc.cc (Target_powerpc::relocate_section): Add
7728         reloc_symbol_changes parameter.
7729         * sparc.cc (Target_sparc::relocate_section): Add
7730         reloc_symbol_changes parameter.
7731         * configure.ac: Call AM_CONDITIONAL for the default target.
7732         * configure: Rebuild.
7733         * testsuite/Makefile.am (TEST_AS): New variable.
7734         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7735         (check_DATA): Add split_i386 and split_x86_64 files.
7736         (SPLIT_DEFSYMS): Define.
7737         (split_i386_[1234n].o): New targets.
7738         (split_i386_[124]): New targets.
7739         (split_i386_[1234r].stdout): New targets.
7740         (split_x86_64_[1234n].o): New targets.
7741         (split_x86_64_[124]): New targets.
7742         (split_x86_64_[1234r].stdout): New targets.
7743         (MOSTLYCLEANFILES): Add new executables.
7744         * testsuite/split_i386.sh: New file.
7745         * testsuite/split_x86_64.sh: New file.
7746         * testsuite/split_i386_1.s: New file.
7747         * testsuite/split_i386_2.s: New file.
7748         * testsuite/split_i386_3.s: New file.
7749         * testsuite/split_i386_4.s: New file.
7750         * testsuite/split_i386_n.s: New file.
7751         * testsuite/split_x86_64_1.s: New file.
7752         * testsuite/split_x86_64_2.s: New file.
7753         * testsuite/split_x86_64_3.s: New file.
7754         * testsuite/split_x86_64_4.s: New file.
7755         * testsuite/split_x86_64_n.s: New file.
7756         * testsuite/testfile.cc (Target_test): Update relocation_section
7757         function.
7758         * testsuite/Makefile.in: Rebuild.
7760 2009-10-06  Ian Lance Taylor  <iant@google.com>
7762         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7763         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7764         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7765         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7766         the address on ldo_addrs_.
7767         (Target_i386::Relocate::fix_up_ldo): New function.
7769 2009-10-06   Rafael Espindola  <espindola@google.com>
7771         * plugin.cc (add_input_library): New.
7772         (Plugin::load): Add add_input_library to tv.
7773         (Plugin_manager::add_input_file): Add the is_lib argument.
7774         (add_input_file): Update call to Plugin_manager::add_input_file.
7775         (add_input_library): New.
7776         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7778 2009-09-30  Doug Kwan  <dougkwan@google.com>
7780         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7781         symbol and call Symbol::may_need_copy_reloc to determine if
7782         a copy reloc is needed.
7783         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7784         nocopyreloc is given in command line.
7785         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7786         given in command line.
7787         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7788         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7789         of the removed Target_i386::may_need_copy_reloc.
7790         * options.h (copyreloc): New option with default value false.
7791         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7792         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7793         instead of the removed Target_powerpc::may_need_copy_reloc.
7794         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7795         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7796         instead of the removed Target_sparc::may_need_copy_reloc.
7797         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7798         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7799         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7800         instead of the removed Target_x86_64::may_need_copy_reloc.
7802 2009-09-30  Ian Lance Taylor  <iant@google.com>
7804         * object.h (class Object): Remove target_ field, and target,
7805         sized_target, and set_target methods.
7806         (Object::sized_target): Remove.
7807         (class Sized_relobj): Update declarations.  Remove sized_target.
7808         * object.cc (Sized_relobj::setup): Remove target parameter.
7809         Change all callers.
7810         (Input_objects::add_object): Don't do anything with the target.
7811         (make_elf_sized_object): Add punconfigured parameter.  Change all
7812         callers.  Set or test parameter target.
7813         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7814         Change all callers.
7815         * parameters.cc (Parameters::set_target): Change parameter type to
7816         be non-const.
7817         (Parameters::default_target): Remove.
7818         (set_parameters_target): Change parameter type to be non-const.
7819         (parameters_force_valid_target): New function.
7820         (parameters_clear_target): New function.
7821         * parameters.h (class Parameters): Update declarations.  Remove
7822         default_target method.  Add sized_target and clear_target
7823         methods.  Change target_ to be non-const.
7824         (set_parameters_target): Update declaration.
7825         (parameters_force_valid_target): Declare.
7826         (parameters_clear_target): Declare.
7827         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7828         as NULL if we aren't searching.
7829         (Add_symbols::run): Don't check for compatible target.
7830         * fileread.cc (Input_file::open_binary): Call
7831         parameters_force_valid_target.
7832         * gold.cc (queue_middle_tasks): Likewise.
7833         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7834         set_target on object.
7835         * dynobj.h (class Sized_dynobj): Update declarations.
7836         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7837         make_elf_object returns NULL.
7838         (Archive::include_member): Don't check whether object target is
7839         compatible.
7840         * output.cc (Output_section::add_input_section): Get target from
7841         parameters.
7842         (Output_section::relax_input_section): Likewise.
7843         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7844         parameters.
7845         (Sized_relobj::do_scan_relocs): Likewise.
7846         (Sized_relobj::relocate_sections): Likewise.
7847         * resolve.cc (Symbol_table::resolve): Likewise.
7848         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7849         parameter.  Change all callers.
7850         (Symbol_table::add_from_object): Get target from parameters.
7851         (Symbol_table::add_from_relobj): Don't check object target.
7852         (Symbol_table::add_from_dynobj): Likewise.
7853         (Symbol_table::define_special_symbol): Get target from
7854         parameters.
7855         * symtab.h (class Symbol_table): Update declaration.
7856         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7857         parameter.  Change all callers.  Clear parameter target.
7858         (Binary_test): Test target here.
7859         * testsuite/object_unittest.cc (gold_testsuite): Remove
7860         target_test_pointer parameter.  Change all callers.
7861         (Object_test): Test target here.
7863 2009-09-26  Ian Lance Taylor  <iant@google.com>
7865         * testsuite/initpri1.c: Don't try to use constructor priorities if
7866         compiling with gcc before 4.3.
7868 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7870         * testsuite/retain_symbols_file_test.sh (check_present): Change
7871         output file name to retain_symbols_file_test.stdout.
7872         (check_absent): Likewise.
7874 2009-09-18  Craig Silverstein  <csilvers@google.com>
7876         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7877         * options.cc: Include <cerrno> and <fstream>.
7878         (General_options::finalize): Parse -retain-symbols-file tag.
7879         * options.h: New flag.
7880         (General_options): New method should_retain_symbol, new
7881         variable symbols_to_retain.
7882         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7883         should_retain_symbol map.
7884         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7885         * testsuite/Makefile.in: Regenerate.
7886         * testsuite/retain_symbols_file_test.sh: New file.
7888 2009-09-18  Nick Clifton  <nickc@redhat.com>
7890         * po/es.po: Updated Spanish translation.
7892 2009-09-17  Doug Kwan  <dougkwan@google.com>
7894         * debug.h (DEBUG_RELAXATION): New constant.
7895         (DEBUG_ALL): Add DEBUG_RELAXATION.
7896         (debug_string_to_enum): Add relaxation debug option.
7897         * layout.cc
7898         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7899         Layout::Relaxation_debug_check::read_sections,
7900         Layout::Relaxation_debug_check::read_sections): New method definitions.
7901         (Layout::Layout): Initialize data members
7902         record_output_section_data_from_scrips_,
7903         script_output_section_data_list_ and relaxation_debug_check_.
7904         (Layout::save_segments, Layout::restore_segments,
7905         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7906         Layout::relaxation_loop_body): New method definitions.
7907         (Layout::finalize): Support relaxation.  Move section layout code to
7908         Layout::relaxation_loop_body.
7909         (Layout::set_asection_address_from_script): Move code for orphan
7910         section placement out.
7911         (Layout::place_orphan_sections_in_script): New method definition.
7912         * layout.h (Output_segment_headers, Output_file_header):
7913         New forward class declarations.
7914         (Layout::~Layout): Define.
7915         (Layout::new_output_section_data_from_script): New method definition.
7916         (Layout::place_orphan_sections_in_script): New method declaration.
7917         (Layout::Segment_states): New type declaration.
7918         (Layout::save_segments, Layout::restore_segments,
7919         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7920         Layout::relaxation_loop_body): New method declarations.
7921         (Layout::Output_section_data_list): New type declaration.
7922         (Layout::Relaxation_debug_check): New class definition.
7923         (Layout::record_output_section_data_from_script_,
7924         Layout::script_output_section_data_list_, Layout::segment_states_,
7925         Layout::relaxation_debug_check_): New data members.
7926         * output.cc: (Output_section_headers::do_size): New method definition.
7927         (Output_section_headers::Output_section_headers): Move size
7928         computation to Output_section_headers::do_size.
7929         (Output_segment_headers::do_size): New method definition.
7930         (Output_file_header::Output_file_header): Move size computation to
7931         Output_file_header::do_size and call it.
7932         (Output_file_header::do_size): New method definition.
7933         (Output_data_group::Output_data_group): Adjust call to
7934         Output_section_data.
7935         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7936         (Output_symtab_xindex::do_write): Add array bound check.
7937         (Output_section::Input_section::print_to_mapfile): Handle
7938         RELAXED_INPUT_SECTION_CODE.
7939         (Output_section::Output_section): Initialize data member checkpoint_.
7940         (Output_section::~Output_section): Delete checkpoint object pointed
7941         by checkpoint_.
7942         (Output_section::add_input_section): Always add an Input_section if
7943         relaxing.
7944         (Output_section::add_merge_input_section): Add assert.
7945         (Output_section::relax_input_section): New method definition.
7946         (Output_section::set_final_data_size): Set load address to zero for
7947         an unallocated section.
7948         (Output_section::do_address_and_file_offset_have_reset_values):
7949         New method definition.
7950         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7951         Handle relaxed input section.
7952         (Output_section::sort_attached_input_sections): Checkpoint input
7953         section list lazily.
7954         (Output_section::get_input_sections): Change type of input_sections to
7955         list of Simple_input_section pointers.  Checkpoint input section list
7956         lazily.  Also handle relaxed input sections.
7957         (Output_section::add_input_section_for_script): Take a reference to
7958         a Simple_input_section object instead of Relobj pointer and section
7959         index as parameter.  Handle relaxed input sections.
7960         (Output_section::save_states, Output_section::restore_states): New
7961         method definitions.
7962         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7963         (Output_data::is_data_size_fixed): New method definition.
7964         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7965         if it is fixed.
7966         (Output_data::address_and_file_offset_have_reset_values): New method
7967         definition.
7968         (Output_data::do_address_and_file_offset_have_reset_values): New method
7969         definition.
7970         (Output_data::set_data_size): Check that data size is not fixed.
7971         (Output_data::fix_data_size): New method definition.
7972         (Output_data::is_data_size_fixed_): New data member.
7973         (Output_section_headers::set_final_data_size): New method definition.
7974         (Output_section_headers::do_size): New method declaration.
7975         (Output_segment_headers::set_final_data_size): New method definition.
7976         (Output_segment_headers::do_size): New method declaration.
7977         (Output_file_header::set_final_data_size)::New method definition.
7978         (Output_file_header::do_size)::New method declaration.
7979         (Output_section_data::Output_section_data): Add new parameter
7980         is_data_size_fixed and use it to fix data size.
7981         (Output_data_const::Output_data_const): Adjust call to base class
7982         constructor and fix data size.
7983         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7984         base class constructor and fix data size.
7985         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7986         base class constructor and fix data size.
7987         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7988         class constructor and fix data size.
7989         (Output_data_group::set_final_data_size): New method definition.
7990         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7991         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7992         class constructor and fix data size.
7993         (Output_relaxed_input_section): New class definition.
7994         (Output_section::Simple_input_section): New class definition.
7995         (Output_section::get_input_sections): Adjust parameter list.
7996         (Output_section::add_input_section_for_script): Same.
7997         (Output_section::save_states, Output_section::restore_states,
7998         Output_section::do_address_and_file_offset_have_reset_values,
7999         (Output_section::Input_section::Input_section): Handle
8000         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8001         Output_relaxed_input_section.
8002         (Output_section::Input_section::is_input_section,
8003         Output_section::Input_section::set_output_section): Handle relaxed
8004         input section.
8005         (Output_section::Input_section::is_relaxed_input_section,
8006         Output_section::Input_section::output_section_data,
8007         Output_section::Input_section::relaxed_input_section): New method
8008         definitions.
8009         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8010         value.
8011         (Output_section::Input_section::u1_): Update comments.
8012         (Output_section::Input_section::u2_): Add new union member poris.
8013         (Output_section::Checkpoint_output_section): New classs definition.
8014         (Output_section::relax_input_section): New method declaration.
8015         (Output_section::checkpoint_): New data member.
8016         (Output_segment): Update comments.
8017         (Output_segment::Output_segment): Un-privatize copy constructor.
8018         (Output_segment::operator=): Un-privatize.
8019         * script-sections.cc (Output_section_element::Input_section_list):
8020         Change element type to Output_section::Simple_input_section.
8021         (Output_section_element_dot_assignment::set_section_addresses):
8022         Register output section data for relaxation clean up.
8023         (Output_data_exression::Output_data_expression): Adjust call to base
8024         constructor to fix data size.
8025         (Output_section_element_data::set_section_addresses): Register
8026         Output_data_expression object for relaxation clean up.
8027         (struct Input_section_info): Replace Relobj pointer and section index
8028         pair with Output_section::Simple_input_section and Convert struct to a
8029         class.
8030         (Input_section_sorter::operator()): Adjust access to
8031         Input_section_info data member to use accessors.
8032         (Output_section_element_input::set_section_addresses): Use layout
8033         parameter.  Adjust code to use Output_section::Simple_input_section
8034         and Input_secction_info classes.  Register filler for relaxation
8035         clean up.
8036         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8037         and section index pair with Output_section::Simple_input_section
8038         class.  Adjust code accordingly.
8039         (Phdrs_element::release_segment): New method definition.
8040         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8041         segment list.
8042         (Script_sections::release_segments): New method definition.
8043         * gold/script-sections.h (Script_sections::release_segments): New
8044         method declaration.
8045         * gold/target.h (Target::may_relax, Target::relax,
8046         Target::do_may_relax, Target::do_relax): New method definitions.
8048 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8050         * arm.cc (has_signed_unsigned_overflow): New function.
8051         (Arm_relocate_functions::abs8): New function.
8052         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8053         (Target_arm::Scan::global): Likewise.
8054         (Target_arm::relocate::relocate): Likewise.
8055         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8056         Likewise.
8058 2009-09-16  Cary Coutant  <ccoutant@google.com>
8060         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8061         * testsuite/Makefile.in: Regenerate.
8063 2009-09-11  Nick Clifton  <nickc@redhat.com>
8065         * po/gold.pot: Updated by the Translation project.
8067 2009-09-08  Cary Coutant  <ccoutant@google.com>
8069         * output.cc (Output_file::open): Add execute permission to empty file.
8070         * testsuite/Makefile.am (permission_test): New test.
8071         * testsuite/Makefile.in: Regenerate.
8073 2009-09-02  Ian Lance Taylor  <iant@google.com>
8075         * output.cc (Output_file::resize): Call map_no_anonymous rather
8076         than map.
8078 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8080         * gold.cc: Include "incremental.h".
8081         (queue_initial_tasks): Call Incremental_checker methods.
8082         * incremental.cc: Include "output.h".
8083         (Incremental_checker::can_incrementally_link_output_file): New
8084         method.
8085         * incremental.h (Incremental_checker): New class.
8087         * output.cc (Output_file::open_for_modification): New method.
8088         (Output_file::map_anonymous): Changed return type to bool.  Record
8089         map in base_ field.
8090         (Output_file::map_no_anonymous): New method, broken out of map.
8091         (Output_file::map): Use map_no_anonymous and map_anonymous.
8092         * output.h (class Output_file): Update declarations.
8094 2009-08-24  Cary Coutant  <ccoutant@google.com>
8096         * options.h (Command_line::Pre_options): New class.
8097         (Command_line::pre_options): New member.
8098         * options.cc (gold::options::ready_to_register): New variable.
8099         (One_option::register_option): Do nothing if not registering options.
8100         Assert if same short option registered twice.
8101         (General_options::General_options): Turn off option registration when
8102         done constructing.
8103         (Command_line::Pre_options::Pre_options): New constructor.
8105 2009-08-24  Cary Coutant  <ccoutant@google.com>
8107         * options.h (General_options::no_keep_memory): Remove incorrect
8108         short option.
8110 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8112         * Makefile.am (am__skiplex, am__skipyacc): New.
8113         * Makefile.in: Regenerate.
8115 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8117         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8118         (INCLUDES): ... this.
8119         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8120         (AM_CPPFLAGS): Renamed from ...
8121         (INCLUDE): ... this.
8122         * Makefile.in, testsuite/Makefile.in: Regenerate.
8124         * Makefile.in: Regenerate.
8125         * aclocal.m4: Likewise.
8126         * config.in: Likewise.
8127         * configure: Likewise.
8128         * testsuite/Makefile.in: Likewise.
8130         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8131         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8132         * Makefile.in: Regenerate.
8133         * testsuite/Makefile.in: Regenerate.
8135 2009-08-19  Cary Coutant  <ccoutant@google.com>
8137         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8138         symbols in shared libraries overridden by hidden or internal symbols
8139         in the main program.
8141 2009-08-19  Chris Demetriou  <cgd@google.com>
8143         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8144         checking source file names in error messages.
8146 2009-08-18  Doug Kwan  <dougkwan@google.com>
8148         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8149         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8150         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8151         an elfcpp::Ehdr as parameter.
8152         * object.cc (Object::set_target): Remove the version that looks up
8153         a target and sets it.
8154         (Sized_relobj::setup): Take a Target object instead of
8155         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8156         (make_elf_sized_object): Find target and ask target to
8157         make an ELF object.
8158         * object.h: (Object::set_target): Remove the version that looks up
8159         a target and sets it.
8160         (Sized_relobj::setup): Take a Target object instead of
8161         an elfcpp:Ehdr as parameter.
8162         * target.cc: Include dynobj.h.
8163         (Target::do_make_elf_object_implementation): New.
8164         (Target::do_make_elf_object): New.
8165         * target.h (Target::make_elf_object): New template declaration.
8166         (Target::do_make_elf_object): New method declarations.
8167         (Target::do_make_elf_object_implementation): New template declaration.
8169 2009-08-14  Ian Lance Taylor  <iant@google.com>
8171         * gold.h (FUNCTION_NAME): Define.
8172         (gold_unreachable): Use FUNCTION_NAME.
8174 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8176         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8177         symbol in the --keep-unique list is not found.
8179 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8181         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8182         been maked as --keep-unique.
8183         (Icf::unfold_section): New function.
8184         * icf.h (Icf::unfold_section): New function.
8185         * options.h (General_options::keep_unique): New option.
8186         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8187         * testsuite/Makefile.in: Regenerate.
8188         * testsuite/icf_keep_unique_test.sh: New file.
8189         * testsuite/icf_keep_unique_test.cc: New file.
8191 2009-08-12  Cary Coutant  <ccoutant@google.com>
8193         PR 10471
8194         * resolve.cc (Symbol_table::resolve): Check for references from
8195         dynamic objects to hidden and internal symbols.
8196         * testsuite/Makefile.am (hidden_test.sh): New test.
8197         * testsuite/Makefile.in: Regenerate.
8198         * testsuite/hidden_test.sh: New script.
8199         * testsuite/hidden_test_1.c: New test source.
8200         * testsuite/hidden_test_main.c: New test source.
8202 2009-08-11  Doug Kwan  <dougkwan@google.com>
8204         * arm.cc: Update comments.
8205         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8206         segment to locate the .ARM.exidx section if present.
8208 2009-08-09  Doug Kwan  <dougkwan@google.com>
8210         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8211         patch.
8213 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8214         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8215         compiler warnings.
8217 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8219         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8220         valid tls_segment only for non-debug-section relocations.
8221         * testsuite/Makefile.am: Add gc_tls_test.
8222         * testsuite/Makefile.in: Regenerate.
8223         * testsuite/gc_tls_test.cc: New file.
8224         * testsuite/gc_tls_test.sh: New file.
8226 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8228         * icf.cc: New file.
8229         * icf.h: New file.
8230         * Makefile.am (CCFILES): Add icf.cc.
8231         (HFILES): Add icf.h
8232         * Makefile.in: Regenerate.
8233         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8234         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8235         section, symbol and addend information for the relocs.
8236         * gold.cc (queue_middle_tasks): Call identical code folding.
8237         * gold.h: Add defines for multimap.
8238         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8239         to the call of finalize_local_symbols.
8240         * main.cc (main): Create object of class Icf.
8241         * object.cc (Sized_relobj::do_layout): Allow this function to be
8242         called twice during icf.
8243         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8244         to sections marked as identical by icf.
8245         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8246         when available.
8247         (Sized_relobj::do_section_entsize): New function.
8248         * object.h (Object::section_entsize): New function.
8249         (Object::do_section_entsize): New pure virtual function.
8250         (Relobj::finalize_local_symbols): Add new parameter.
8251         (Relobj::do_section_entsize): New function.
8252         * options.h (General_options::icf): New option.
8253         (General_options::icf_iterations): New option.
8254         (General_options::print_icf_sections): New option.
8255         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8256         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8257         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8258         icf.
8259         * symtab.cc (Symbol_table::is_section_folded): New function.
8260         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8261         to sections marked as identical by icf.
8262         * symtab.h (Symbol_table::set_icf): New function.
8263         (Symbol_table::icf): New function.
8264         (Symbol_table::is_section_folded): New function.
8265         (Symbol_table::icf_): New data member.
8266         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8267         * testsuite/Makefile.am: Add commands to build icf_test.
8268         * testsuite/Makefile.in: Regenerate.
8269         * testsuite/icf_test.sh: New file.
8270         * testsuite/icf_test.cc: New file.
8272 2009-07-24  Chris Demetriou  <cgd@google.com>
8274         * layout.cc (is_compressible_debug_section): Fix incorrect
8275         comment about compressed section names.
8277 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8279         PR 10419
8280         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8282 2009-07-16  Ian Lance Taylor  <iant@google.com>
8284         PR 10400
8285         * layout.h: #include <map>.
8286         (class Kept_section): Change from struct to class.  Add accessors
8287         and setters.  Add section size to Comdat_group mapping.  Change
8288         Comdat_group to std::map.  Add is_comdat_ field.  Add
8289         linkonce_size field in union.
8290         (class Layout): Update declaration of find_or_add_kept_section.
8291         Don't declare find_kept_object.
8292         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8293         parameter.  Add object, shndx, is_comdat, and is_group_name
8294         parameters.  Change all callers.  Adjust for new Kept_section.
8295         (Layout::find_kept_object): Remove.
8296         * object.cc (Sized_relobj::include_section_group): Update use of
8297         Kept_section.  Rename secnum to shndx.  Only record
8298         Kept_comdat_section if sections are the same size.
8299         (Sized_relobj::include_linkonce_section): Update use of
8300         Kept_section.  Only record Kept_comdat_section if sections are the
8301         same size.  Set size of linkonce section.
8302         (Sized_relobj::map_to_kept_section): Update call to
8303         get_kept_comdat_section.
8304         * object.h (class Sized_relobj): Rename fields in
8305         Kept_comdat_section to drop trailing underscores; change object
8306         field to Relobj*.  Change Kept_comdat_section_table to store
8307         struct rather than pointer.
8308         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8309         Add kept_object and kept_shndx parameters.  Change all callers.
8310         (Sized_relobj::get_kept_comdat_section): Change return type to
8311         bool.  Add kept_object and kept_shndx parameters.  Change all
8312         callers.
8313         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8314         Layout::find_or_add_kept_section.
8316 2009-07-09  Ian Lance Taylor  <iant@google.com>
8318         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8319         Reserve space in the hash table.
8321 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8323         * fileread.cc (File_read::get_mtime): New method.
8324         * fileread.h (Timespec): New structure.
8325         (File_read::get_mtime): New method.
8326         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8327         Renamed from timestamp_nsec.
8328         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8329         Elf_Xword.
8330         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8331         timestamp_nsec.
8332         (Incremental_inputs::report_archive): Save mtime; style fix.
8333         (Incremental_inputs::report_obejct): Save mtime; style fix.
8334         (Incremental_inputs::report_script): Save mtime; style fix.
8335         (Incremental_inputs::finalize_inputs): Style fix.
8336         (Incremental_inputs::finalize): Style fix.
8337         (Incremental_inputs::create_input_section_data): Store inputs
8338         mtime.
8339         * incremental.h (Incremental_inputs::report_script): Add mtime
8340         argument.
8341         (Incremental_inputs::Input_info::Input_info): Intialize only one
8342         union member.
8343         (Incremental_inputs::Input_info::archive): Move to nameless
8344         union.
8345         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8346         (Incremental_inputs::Input_info::script): Move to nameless union.
8347         (Incremental_inputs::mtime): New field.
8348         * script.cc (read_input_script): Pass file mtime to
8349         Incremental_input.
8350         * script.h (Script_info::inputs): Style fix.
8352 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8354         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8355         instead of 32.
8357 2009-06-24  Ian Lance Taylor  <iant@google.com>
8359         PR 10156
8360         * layout.cc (Layout::choose_output_section): If we find an
8361         existing section, update the flags.
8362         (Layout::create_notes): New function, broken out of
8363         Layout::finalize.
8364         (Layout::finalize): Don't create note sections.
8365         (Layout::create_note): Don't crash if linker script discards
8366         section.
8367         (Layout::create_gold_note): Likewise.
8368         (Layout::create_build_id): Likewise.  Don't set
8369         after_input_sections on the section.
8370         (Layout::create_executable_stack_info): Remove target parameter.
8371         Change caller.
8372         * layout.h (class Layout): Declare create_notes.  Update
8373         declaration of create_executable_stack_info.
8374         * gold.cc (queue_middle_tasks): Call create_notes.
8375         * output.cc (Output_section::update_flags_for_input_section): Move
8376         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8377         invalid.
8378         * output.h (Output_data::mark_address_invalid): New function.
8379         (class Output_section): Only declare, not define,
8380         update_flags_for_input_section.  Remove set_flags.
8382 2009-06-24  Ian Lance Taylor  <iant@google.com>
8384         * script-sections.cc (Output_section_definition::
8385         set_section_addresses): Rename shadowing local load_address to
8386         laddr.
8388 2009-06-24  Ian Lance Taylor  <iant@google.com>
8390         PR 10244
8391         * reloc.cc (relocate_sections): Skip empty relocation sections.
8393 2009-06-23  Ian Lance Taylor  <iant@google.com>
8395         PR 10156
8396         * layout.cc (Layout::create_note): Use choose_output_section
8397         rather than make_output_section.
8399 2009-06-23  Ian Lance Taylor  <iant@google.com>
8401         PR 10237
8402         * options.cc (General_options::parse_V): Set printed_version_.
8403         (General_options::General_options): Initialize printed_version_.
8404         * options.h (class General_options): Add printed_version_ field.
8405         * gold.cc (queue_initial_tasks): If there are no input files,
8406         don't give a fatal error if we printed the version information.
8407         (queue_middle_tasks): If using -r with a shared object, give a
8408         fatal error rather than an ordinary error.
8410 2009-06-23  Ian Lance Taylor  <iant@google.com>
8412         PR 10219
8413         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8414         (Layout::make_output_section): Set have_stabstr_section_ if we see
8415         a .stab*str section.
8416         (Layout::finalize): Call link_stabs_sections.
8417         (Layout::link_stabs_sections): New file.
8418         * layout.h (class Layout): Add have_stabstr_section_ field.
8419         Declare link_stabs_sections.
8421 2009-06-23  Doug Kwan  <dougkwan@google.com>
8423         * Makefile.am (libgold_a_LIBADD): New.
8424         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8425         * Makefile.in: Regenerate.
8426         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8427         * configure: Regenerate.
8428         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8429         * fileread.cc: Include sys/state.h
8430         * gold.h: Declare memmem and strndup if found missing.
8431         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8433 2009-06-23  Ian Lance Taylor  <iant@google.com>
8435         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8436         * configure: Rebuild.
8438 2009-06-23  Ian Lance Taylor  <iant@google.com>
8440         PR 10147
8441         * object.cc (Object::section_contents): Don't try to get a view if
8442         the section has length zero.
8443         (Object::handle_gnu_warning_section): If the section is empty, use
8444         the name of the section as the warning.
8446 2009-06-23  Ian Lance Taylor  <iant@google.com>
8448         PR 10133
8449         * stringpool.h (class Stringpool_template): Add optimize_ field.
8450         (Stringpool_template::set_optimize): New function.
8451         * stringpool.cc (Stringpool_template::Stringpool_template):
8452         Initialize optimize_ field.
8453         (Stringpool_template::set_string_offsets): Test local optimize
8454         fild rather than parameter.
8455         * layout.cc (Layout::Layout): Call set_optimize on the section
8456         name stringpool.
8458 2009-06-22  Ian Lance Taylor  <iant@google.com>
8460         PR 10030
8461         * yyscript.y: Parse TARGET.
8462         * script.cc (script_set_target): New function.
8463         * script-c.h (script_set_target): Declare.
8464         * options.cc (General_options::string_to_object_format): Rename
8465         from string_to_object_format in anonymous namespace.  Change
8466         callers.
8467         * options.h (class General_options): Declare
8468         string_to_object_format.
8470 2009-06-22  Ian Lance Taylor  <iant@google.com>
8472         * script-sections.cc (Script_sections::create_segments): Don't put
8473         program headers in a PT_LOAD segment if -n or -N.
8475 2009-06-22  Ian Lance Taylor  <iant@google.com>
8477         PR 10141
8478         * options.h (class General_options): Add -z lazy and -z now.  Sort
8479         -z options into alphabetical order.
8480         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8482 2009-06-21  Ian Lance Taylor  <iant@google.com>
8484         * layout.cc (Layout::make_output_section): Call
8485         Target::new_output_section.
8486         (Layout::attach_allocated_section_to_segment): Put large section
8487         sections in a separate load segment with the large segment flag
8488         set.
8489         (Layout::segment_precedes): Sort large data segments after other
8490         load segments.
8491         (align_file_offset): New static function.
8492         (Layout::set_segment_offsets): Use align_file_offset.
8493         * output.h (class Output_section): Add is_small_section_ and
8494         is_large_section_ fields.
8495         (Output_section::is_small_section): New function.
8496         (Output_section::set_is_small_section):  New function.
8497         (Output_section::is_large_section): New function.
8498         (Output_section::set_is_large_section): New function.
8499         (Output_section::is_large_data_section): New function.
8500         (class Output_segment): Add is_large_data_segment_ field.
8501         (Output_segment::is_large_data_segment): New function.
8502         (Output_segment::set_is_large_data_segment): New function.
8503         * output.cc (Output_section::Output_section): Initialize new
8504         fields.
8505         (Output_segment::Output_segment): Likewise.
8506         (Output_segment::add_output_section): Add assertion that large
8507         data sections always go in large data segments.  Force small data
8508         sections to the end of the list of data sections.  Force small BSS
8509         sections to the start of the list of BSS sections.  For large BSS
8510         sections to the end of the list of BSS sections.
8511         * symtab.h (class Symbol): Declare is_common_shndx.
8512         (Symbol::is_defined): Check Symbol::is_common_shndx.
8513         (Symbol::is_common): Likewise.
8514         (class Symbol_table): Define enum Commons_section_type.  Update
8515         declarations.  Add small_commons_ and large_commons_ fields.
8516         * symtab.cc (Symbol::is_common_shndx): New function.
8517         (Symbol_table::Symbol_table): Initialize new fields.
8518         (Symbol_table::add_from_object): Put small and large common
8519         symbols in the right list.
8520         (Symbol_table::sized_finalized_symbol): Check
8521         Symbol::is_common_shndx.
8522         (Symbol_table::sized_write_globals): Likewise.
8523         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8524         common symbol lists.  Don't call do_allocate_commons_list if the
8525         list is empty.
8526         (Symbol_table::do_allocate_commons_list): Remove is_tls
8527         parameter.  Add comons_section_type parameter.  Change all
8528         callers.  Handle small and large common symbols.
8529         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8530         Symbol::is_common_shndx.
8531         * resolve.cc (symbol_to_bits): Likewise.
8532         * target.h (Target::small_common_shndx): New function.
8533         (Target::small_common_section_flags): New function.
8534         (Target::large_common_shndx): New function.
8535         (Target::large_common_section_flags): New function.
8536         (Target::new_output_section): New function.
8537         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8538         small_common_section_flags, and large_common_section_flags
8539         fields.
8540         (Target::do_new_output_section): New virtual function.
8541         * arm.cc (Target_arm::arm_info): Initialize new fields.
8542         * i386.cc (Target_i386::i386_info): Likewise.
8543         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8544         Likewise.
8545         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8546         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8547         (Target_x86_64::do_new_output_section): New function.
8548         * configure.ac: Define conditional MCMODEL_MEDIUM.
8549         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8550         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8551         (large_LDFLAGS): Define.
8552         * testsuite/large.c: New file.
8553         * testsuite/testfile.cc (Target_test::test_target_info):
8554         Initialize new fields.
8555         * configure, testsuite/Makefile.in: Rebuild.
8557 2009-06-05  Doug Kwan  <dougkwan@google.com>
8559         * Makefile.am (CCFILES): Add target.cc.
8560         * Makefile.in: Regenerate.
8561         * i386.cc (class Target_i386): Define new virtual method to
8562         override do_is_local_label_name in parent.
8563         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8564         local symbols if --discard-locals or -X is given.
8565         * options.h (class General_options): Declare new options
8566         '--discard-locals' and '-X' for discarding locals.
8567         * target.h (class Target): Define new methods is_local_label_name.
8568         Declare new virtual method do_is_local_label_name.
8569         * target.cc: New file.
8570         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8571         (check_SCRIPTS): Add discard_locals_test.sh.
8572         (check_DATA): Add discard_local_tests.syms.
8573         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8574         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8575         * testsuite/Makefile.in: Regenerate.
8576         * testsuite/discard_locals_test.c: New file.
8577         * testsuite/discard_locals_test.sh: Same.
8579 2009-06-05  Doug Kwan  <dougkwan@google.com>
8581         * object.cc (Sized_relobj::Sized_relobj): Initialize
8582         discarded_eh_frame_shndx_ to -1U.
8583         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8584         section.
8585         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8586         a discarded .eh_frame section.
8587         (Sized_relobj::do_finalize_local_symbols): Ditto.
8588         * object.h (class Sized_relobj): Declare new member
8589         discarded_eh_frame_shndx_.
8590         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8591         (local_labels_test.o, local_labels_test): New rules.
8592         * testsuite/Makefile.in: Regenerate.
8594 2009-06-04  Doug Kwan  <dougkwan@google.com>
8596         * layout.cc (Layout::section_name_mapping): Add mapping for
8597         special ARM sections.
8599 2009-06-03  Doug Kwan  <dougkwan@google.com>
8601         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8602         (utils::has_overflow): Same.
8604 2009-06-03  Ian Lance Taylor  <iant@google.com>
8606         * layout.cc (Layout::section_name_mapping): New array, replacing
8607         Layout::linkonce_mapping.
8608         (Layout::section_name_mapping_count): New variable, replacing
8609         Layout::linkonce_mapping_count.
8610         (Layout::linkonce_output_name): Remove.
8611         (Layout::output_section_name): Rewrite.
8612         * layout.h (class Layout): Rename Linkonce_mapping to
8613         Section_name_mapping, linkonce_mapping to section_name_mapping,
8614         linkonce_mapping_count to section_name_mapping_count.  Don't
8615         declare linkonce_output_name.
8617 2009-06-03  Doug Kwan  <dougkwan@google.com>
8619         * gold/arm.cc (namespace utils): New.
8620         (Target_arm::reloc_is_non_pic): Define new method.
8621         (class Arm_relocate_functions): New.
8622         (Target_arm::Relocate::relocate): Handle relocation types used by
8623         Android.
8625 2009-06-03  Ian Lance Taylor  <iant@google.com>
8627         * arm.cc (Target_arm::scan::global): Use || instead of |.
8629 2009-06-02  Doug Kwan  <dougkwan@google.com>
8631         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8632         issued_non_pic_error_.
8633         (class Target_arm::Scan): Declare new method check_non_pic.
8634         Define new method symbol_needs_plt_entry.
8635         Declare new data member issued_non_pic_error_.
8636         (class Target_arm::Relocate): Declare new method
8637         should_apply_static_reloc.
8638         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8639         (Target_arm::Scan::check_non_pic): Define new method.
8640         (Target_arm::Scan::local): Handle a small subset of reloc types used
8641         by Android.
8642         (Target_arm::Scan::local): Same.
8643         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8645 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8647         * incremental.cc (Incremental_inputs::report_command_line): Filter
8648         out --incremental-* options.
8650 2009-05-29  Doug Kwan  <dougkwan@google.com>
8652         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8653         template class.
8654         (class Target_arm): Update comment.
8655         (Target_arm::Target_arm): Initialize new data members GOT_,
8656         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8657         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8658         and Target_arm::rel_dyn_section.
8659         Declare new_enum Target_arm::Got_type.
8660         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8661         and DYNBSS_.
8662         Update commments for member do_dynsym_value.
8663         (Target_arm::got_size, Target_arm::plt_section,
8664         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8665         new methods inside class defintion.
8666         (Target_arm::got_section): Define new method.
8667         (Target_arm::rel_dyn_section): Same.
8668         (Output_data_plt_arm): New template class.
8669         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8670         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8671         (Output_data_plt_arm::add_entry): Same.
8672         (Output_data_plt_arm::first_plt_entry): Define new
8673         static data member for PLT instruction template.
8674         (Output_data_plt_arm::plt_entry): Same.
8675         (Output_data_plt_arm::do_write): Define new method.
8676         (Target_arm::make_plt_entry): Same.
8677         (Target_arm::do_finalize_sections): Same.
8678         (Target_arm::do_dynsym_value): Same.
8680 2009-05-28  Doug Kwan  <dougkwan@google.com>
8682         * Makefile.am (TARGETSOURCES): Add arm.cc.
8683         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8684         * Makefile.in: Regenerate.
8685         * arm.cc: New file.
8686         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8688 2009-05-26  Doug Kwan  <dougkwan@google.com>
8690         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8691         (General_options::check_excluded_libs): Strip off directories in
8692         archive name before matching like GNU ld does.
8693         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8694         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8695         (exclude_libs_test_LDFLAGS): Add linker option
8696         -Wl,--exclude-libs,libexclude_libs_test_3
8697         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8698         an explicit archive without using -l.
8699         (alt/libexclude_libs_test_3.a): New make rule.
8700         * testsuite/Makefile.in: Regenerate.
8701         * testsuite/exclude_libs_test.c : Declare lib3_default().
8702         (main): Call it.
8703         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8704         * exclude_libs_test_3.c: New file.
8706 2009-05-26  Nick Clifton  <nickc@redhat.com>
8708         * po/id.po: New Indonesian translation.
8709         * po/gold.pot: Updated template file.
8711 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8713         * testsuite/Makefile.am: Add -ffunction-sections to compile
8714         gc_comdat_test files.  Add -Wl,--gc-sections to build
8715         gc_comdat_test.
8716         * testsuite/Makefile.in: Regenerate.
8717         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8719 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8721         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8722         kept comdat section was garbage collected.
8723         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8724         * testsuite/Makefile.in: Regenerate.
8725         * testsuite/gc_comdat_test.sh: New file.
8726         * testsuite/gc_comdat_test_1.cc: New file.
8727         * testsuite/gc_comdat_test_2.cc: New file.
8729 2009-05-19  Doug Kwan  <dougkwan@google.com>
8731         * archive.cc (Archive::Archive): Move constructor from archive.h
8732         to here.  Initialize no_export_.
8733         (Archive::get_elf_object_for_member): Set no_export flag of object.
8734         * archive.h (Archive::Archive): Move constructor body to
8735         archive.cc.
8736         (Archive::no_export): New method.
8737         (Archive::no_export_): New field.
8738         * object.h (Object::Object): Initialize no_export_ to false.
8739         (Object::no_export, Object::set_no_export): New methods.
8740         (Object::no_export_): New field.
8741         * options.cc (General_options::parse_exclude_libs): New method.
8742         (General_options::check_excluded_libs) Same.
8743         * options.h (exclude_libs): New option.
8744         (General_options::check_excluded_libs): New method declaration.
8745         (General_options::excluded_libs_): New field.
8746         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8747         default or protected visibility if an object has no-export flag set.
8748         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8749         (check_SCRIPTS): Add exclude_libs_test.sh.
8750         (check_DATA): Add exclude_libs_test.syms.
8751         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8752         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8753         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8754         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8755         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8756         libexclude_libs_test_2.a): New rules.
8757         * testsuite/Makefile.in: Regenerate.
8758         * testsuite/exclude_libs_test.c: New file.
8759         * testsuite/exclude_libs_test.sh: Ditto.
8760         * testsuite/exclude_libs_test_1.c: Ditto.
8761         * testsuite/exclude_libs_test_2.c: Ditto.
8763 2009-05-15  Ian Lance Taylor  <iant@google.com>
8765         * configure.ac: Check for declarations for cases where libiberty.h
8766         checks HAVE_DECL_xxx.
8767         * configure, config.in: Rebuild.
8769 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8771         * gold.h (Incremental_argument_list): Remove (invalid) forward
8772         declaration.
8773         * incremental.cc (Incremental_inputs::report_achive): New method.
8774         (Incremental_inputs::report_object): New method.
8775         (Incremental_inputs::report_script): New method.
8776         (Incremental_inputs::finalize_inputs): New method.
8777         (Incremental_inputs::finalize): Call finalize_inputs().
8778         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8779         Create inputs entries.
8780         * incremental.h (Incremental_input_type): New enum.
8781         (Incremental_inputs::Incremental_input): Initialize new fields.
8782         (Incremental_inputs::report_inputs): New method.
8783         (Incremental_inputs::report_achive): New method.
8784         (Incremental_inputs::report_object): New method.
8785         (Incremental_inputs::report_script): New method.
8786         (Incremental_inputs::finalize_inputs): New method.
8787         (Incremental_inputs::Input_info): New struct.
8788         (Incremental_inputs::Input_info_map): New typedef.
8789         (Incremental_inputs::lock_): New field.
8790         (Incremental_inputs::Inputs_): New field.
8791         (Incremental_inputs::Inputs_map): New field.
8792         * main.cc (main): Call Incremental_input::report_inputs.
8793         * options.h (Input_argument_list): Typedef moved from
8794         Input_arguments.
8795         (Input_file_group::Files): Remove, use ::Input_argument_list.
8796         (Input_file_group::Input_argument_list): Remove, use
8797         ::Input_argument_list.
8798         * plugin.cc (Plugin_manager::add_input_file): Add error in
8799         incremental build.
8800         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8801         functions.
8802         * script.cc (read_input_script): Call
8803         Incremental_input::report_script.
8804         * script.h (Script_info): New class.
8806 2009-04-27  Ian Lance Taylor  <iant@google.com>
8808         * x86_64.cc (do_adjust_output_section): Set entsize to
8809         plt_entry_size.
8811 2009-04-23  Elliott Hughes  <enh@google.com>
8813         * output.cc (Output_file::close): After short writes, continue
8814         writing from the correct offset in the buffer being written.
8816 2009-04-23  Chris Demetriou  <cgd@google.com>
8818         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8819         * configure: Regenerate.
8820         * config.in: Regenerate.
8821         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8822         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8824 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8826         * incremental.cc (Incremental_inputs_header_data): Renamed from
8827         Incremental_input_header_data.
8828         (Incremental_inputs_header_data::data_size): New field.
8829         (Incremental_inputs_header_data::put_input_file_count): Renamed
8830         from input_file_count.
8831         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8832         from command_line_offset.
8833         (Incremental_inputs_header_data::put_reserved): Renamed from
8834         put_reserved.
8835         (Incremental_inputs_entry_data): Renamed from
8836         Incremental_input_entry_data.
8837         (Incremental_inputs_entry_data::data_size): New field.
8838         (Incremental_inputs::report_command_line): New method.
8839         (Incremental_inputs::finalize): New method.
8840         (Incremental_inputs::create_incremental_inputs_data): New method.
8841         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8842         * incremental.h: New file.
8843         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8844        (Layout::finalize): Create incremental inputs section in
8845         incremental builds.
8846        (Layout::create_incremental_info_sections): New method.
8847         * layout.h (Layout::incremental_inputs): New method.
8848        (Layout::create_incremental_info_sections): New method.
8849        (Layout::incremental_inputs_): New field.
8850         * main.cc (main): Notify Incremental_input of the command line.
8852 2009-04-01  Ian Lance Taylor  <iant@google.com>
8853             Mikolaj Zalewski  <mikolajz@google.com>
8855         * gold.h (reserve_unordered_map): Define, three versions, one for
8856         each version of Unordered_map.
8857         * layout.cc (Layout::Layout): Remove options parameter.  Add
8858         number_of_input_files parameter.  Don't initialize options_.
8859         Initialize number_of_input_files_ and resized_signatures_.  Move
8860         sections_are_attached_.
8861         (Layout::layout_group): Reserve space for group_signatures_.
8862         (Layout::find_or_add_kept_section): Change name parameter to be a
8863         reference.  Resize signatures_ map when it gets large enough.
8864         (Layout::layout_eh_frame): Use parameters->options() instead of
8865         this->options_.
8866         (Layout::make_output_section): Likewise.
8867         (Layout::attach_allocated_section_to_segment): Likewise.
8868         (Layout::finalize, Layout::create_executable_stack): Likewise.
8869         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8870         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8871         * layout.h (class Layout): Update declarations.  Remove options_
8872         field.  Add number_of_input_files_ and resized_signatures_
8873         fields.  Move sections_are_attached_ field.
8874         * main.cc (main): Pass number of input files to Layout
8875         constructor.  Don't pass options.
8877 2009-03-30  Ian Lance Taylor  <iant@google.com>
8879         * ffsll.c (ffsll): Correct implementation.
8881 2009-03-27  Ian Lance Taylor  <iant@google.com>
8883         * ffsll.c: New file.
8884         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8885         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8886         * ftruncate.c (ftruncate): Declare before definition.
8887         * mremap.c (mremap): Likewise.
8888         * pread.c (pread): Likewise.
8889         * configure, Makefile.in, config.in: Rebuild.
8891         * mremap.c: New file.
8892         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8893         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8894         (mremap): Declare if HAVE_MREMAP is not defined.
8895         * configure, Makefile.in, config.in: Rebuild.
8897 2009-03-27  Cary Coutant  <ccoutant@google.com>
8899         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8900         position independent.
8901         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8902         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8904 2009-03-24  Cary Coutant  <ccoutant@google.com>
8906         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8907         an executable.
8908         (needs_dynamic_reloc): Likewise.
8910 2009-03-24  Ian Lance Taylor  <iant@google.com>
8912         * yyscript.y (file_cmd): Recognize EXTERN.
8913         (extern_name_list, extern_name_list_body): New nonterminals.
8914         * script.cc (script_add_extern): Define.
8915         * script-c.h (script_add_extern): Declare.
8917 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8919         * object.cc (is_elf_object): Define.
8920         * object.h (is_elf_object): Declare.
8921         * archive.cc (Archive::get_elf_object_for_member): Call
8922         is_elf_object.
8923         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8925 2009-03-24  Elliott Hughes  <enh@google.com>
8927         * output.cc (Output_file::map_anonymous): Define.
8928         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8929         try an anonymous one.  Report the size if the mmap fails.
8930         * output.h (class Output_file): Declare map_anonymous.
8932 2009-03-24  Ian Lance Taylor  <iant@google.com>
8934         * target-select.cc (instantiate_target): Don't acquire the lock if
8935         the instantiated_target_ field has already been set.
8937 2009-03-23  Ian Lance Taylor  <iant@google.com>
8939         * gold-threads.h (class Initialize_lock): Define.
8940         * gold-threads.cc (class Initialize_lock_once): Define.
8941         (initialize_lock_control): New static variable.
8942         (initialize_lock_pointer): New static variable.
8943         (initialize_lock_once): New static function.
8944         (Initialize_lock::Initialize_lock): Define.
8945         (Initialize_lock::initialize): Define.
8946         * target-select.h: Include "gold-threads.h".
8947         (class Target_selector): Add lock_ and initialize_lock_ fields.
8948         Don't define instantiate_target, just declare it.
8949         * target-select.cc (Target_selector::Target_selector): Initialize
8950         new fields.
8951         (Target_selector::instantiate_target): Define.
8952         * descriptors.h: Include "gold-threads.h".
8953         (class Descriptors): Add initialize_lock_ field.
8954         * descriptors.cc (Descriptors::Descriptors): Initialize new
8955         field.
8956         (Descriptors::open): Use initialize_lock_ field
8957         * errors.h (class Errors): Add initialize_lock_ field.
8958         * errors.cc (Errors::Errors): Initialize new field.
8959         (Errors::initialize_lock): Use initialize_lock_ field.
8960         * powerpc.cc (class Target_selector_powerpc): Remove
8961         instantiated_target_ field.  In do_recognize call
8962         instantiate_target rather than do_instantiate_target.  In
8963         do_instantiate_target just allocate a new target.
8964         * sparc.cc (class Target_selector_sparc): Likewise.
8966         * freebsd.h: New file.
8967         * i386.cc: Include "freebsd.h".
8968         (Target_i386): Derive from Target_freebsd rather than
8969         Sized_target.
8970         (Target_selector_i386): Derive from Target_selector_freebsd rather
8971         than Target_selector.
8972         * x86_64.cc: Include "freebsd.h".
8973         (Target_x86_64): Derive from Target_freebsd rather than
8974         Sized_target.
8975         (Target_selector_x86_64): Derive from Target_selector_freebsd
8976         rather than Target_selector.
8977         * target.h (class Target): Add adjust_elf_header and
8978         do_adjust_elf_header.
8979         * output.cc (Output_file_header:: do_sized_write): Call target
8980         adjust_elf_header routine.
8981         * configure.tgt: Set targ_osabi.
8982         * configure.ac: Define GOLD_DEFAULT_OSABI.
8983         * parameters.cc (Parameters::default_target): Pass
8984         GOLD_DEFAULT_OSABI to select_target.
8985         * target-select.h (class Target_selector): Make instantiate_target
8986         protected rather than private.
8987         * Makefile.am (HFILES): Add freebsd.h.
8988         * configure, Makefile.in, config.in: Rebuild.
8990         * merge.cc (do_add_input_section): Correct pend value.  Change
8991         message about last entry not being null terminated from error to
8992         warning.
8994 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8996         * incremental.cc: New file.
8997         * Makefile.am (CCFILES): Add incremental.cc.
8998         * Makefile.in: Rebuild.
9000 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9002         * layout.cc (Layout::output_section_name): Preserve names
9003         of '.note.' sections.
9005 2009-03-19  Ian Lance Taylor  <iant@google.com>
9007         * descriptors.cc (Descriptors::open): Check that the options are
9008         valid before using them.
9010 2009-03-18  Ian Lance Taylor  <iant@google.com>
9012         * script-sections.h: Include <list>.
9013         (class Script_sections): Change Sections_elements from std::vector
9014         to std::list.  Typedef public Elements_iterator.  Add
9015         orphan_section_placement_, data_segment_align_start_, and
9016         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9017         field.
9018         * script-sections.cc (class Orphan_section_placement): New class.
9019         (class Sections_element): Add virtual functions is_relro and
9020         orphan_section_init.  Remove virtual function place_orphan_here.
9021         (class Output_section_definition): Add is_relro and
9022         orphan_section_init.  Remove place_orphan_here.
9023         (class Orphan_output_section): Likewise.
9024         (Script_sections::Script_sections): Update for field changes.
9025         (Script_sections::data_segment_align): Set saw_data_segment_align_
9026         and data_segment_align_start_, not data_segment_align_index.
9027         (Script_sections::data_segment_relro_end): Check
9028         saw_data_segment_align_.  Use data_segment_align_start_ rather
9029         than data_segment_align_index_.
9030         (Script_sections::place_orphan): Rewrite to use
9031         Orphan_section_placement.
9033 2009-03-17  Ian Lance Taylor  <iant@google.com>
9035         * archive.cc (Archive::add_symbols): Check for a version attached
9036         to the symbol name in the archive map.
9037         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9038         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9039         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9040         (ver_test_11.a): New target.
9041         * testsuite/Makefile.in: Rebuild.
9043         * configure.ac: Check for chsize and posix_fallocate.  Replace
9044         ftruncate.
9045         * ftruncate.c: New file, from gnulib.
9046         * output.cc (posix_fallocate): Define dummy version if not
9047         HAVE_POSIX_FALLOCATE.
9048         (Output_file::map): Call posix_fallocate rather than lseek and
9049         write.
9050         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9051         * configure, Makefile.in, config.in: Rebuild.
9053 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9055         * layout.h (Layout::create_note): Add section_name parameter.
9056         * layout.cc (Layout::create_note): Likewise.
9057         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9059 2009-03-17  Ian Lance Taylor  <iant@google.com>
9061         * descriptors.cc: Include "options.h".
9062         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9063         (Descriptors::open): Always use O_CLOEXEC when opening a new
9064         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9065         then set FD_CLOEXEC.
9067         * sparc.cc (class Target_sparc): Add has_got_section.
9068         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9069         make sure we have a GOT section.
9071         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9072         (Target_sparc::Scan::local): Likewise.
9073         (Target_sparc::Scan::global): Likewise.
9074         (Target_sparc::Relocate::relocate): Likewise.
9075         (Target_sparc::Relocate::relocate_tls): Likewise.
9077         * symtab.cc (Symbol_table::define_default_version): New function,
9078         broken out of add_from_object.
9079         (Symbol_table::add_from_object): Call define_default_version.
9080         (Symbol_table::define_special_symbol): Add resolve_oldsym
9081         parameter.  Change all callers.  If the version for a symbol comes
9082         from a version script, resolve it with the symbol with the same
9083         name with no version.  Also add the symbol without a version if
9084         appropriate.
9085         (do_define_in_output_data): If resolving with oldsym, don't delete
9086         sym.
9087         (do_define_in_output_segment): Likewise.
9088         (do_define_as_constant): Likewise.
9089         * symtab.h (class Symbol_table): Update declarations.
9091 2009-03-13  Ian Lance Taylor  <iant@google.com>
9093         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9094         (Read_symbols::requeue): New function.
9095         (Read_symbols::do_read_symbols): If make_elf_object fails because
9096         the target type is not configured, and the file was searched for,
9097         issue a warning and retry with the next directory.
9098         (Add_symbols::run): If the file has an incompatible format, and
9099         it was searched for, requeue the Read_symbols task.  On error,
9100         release the object.
9101         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9102         dirindex parameter to constructor.  Change all callers.  Declare
9103         incompatible_warning and requeue.
9104         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9105         input_argument_ and input_group_ fields.  Add them to
9106         constructor.  Change all callers.
9107         (class Read_script): Add dirindex_ field.  Add it to constructor.
9108         Change all callers.
9109         * archive.cc (Archive::setup): Remove input_objects parameter.
9110         Change all callers.
9111         (Archive::get_file_and_offset): Likewise.
9112         (Archive::read_all_symbols): Likewise.
9113         (Archive::read_symbols): Likewise.
9114         (Archive::get_elf_object_for_member): Remove input_objects
9115         parameter.  Add punconfigured parameter.  Change all callers.
9116         (Archive::add_symbols): Change return type to bool.  Check return
9117         value of include_member.
9118         (Archive::include_all_members): Likewise.
9119         (Archive::include_member): Change return type to bool.  Return
9120         false if first included object has incompatible target.  Set
9121         included_member_ field.
9122         (Add_archive_symbols::run): If add_symbols returns false, requeue
9123         Read_symbols task.
9124         * archive.h (class Archive): Add included_member_ field.
9125         Initialize it in constructor.  Add input_file and searched_for
9126         methods.  Update declarations.
9127         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9128         input_argument_ fields.  Add them to constructor.  Change all
9129         callers.
9130         * script.cc: Include "target-select.h".
9131         (class Parser_closure): Add skip_on_incompatible_target_ and
9132         found_incompatible_target_ fields.  Add
9133         skip_on_incompatible_target parameter to constructor.  Change all
9134         callers.  Add methods skip_on_incompatible_target,
9135         clear_skip_on_incompatible_target, found_incompatible_target, and
9136         set_found_incompatible_target.
9137         (read_input_script): Add dirindex parameter.  Change all callers.
9138         If parser finds an incompatible target, requeue Read_symbols
9139         task.
9140         (script_set_symbol): Clear skip_on_incompatible_target in
9141         closure.
9142         (script_add_assertion, script_parse_option): Likewise.
9143         (script_start_sections, script_add_phdr): Likewise.
9144         (script_check_output_format): New function.
9145         * script.h (read_input_script): Update declaration.
9146         * script-c.h (script_check_output_format): Declare.
9147         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9148         (ignore_cmd): Remove OUTPUT_FORMAT.
9149         * fileread.cc (Input_file::Input_file): Add explicit this.
9150         (Input_file::will_search_for): New function.
9151         (Input_file::open): Add pindex parameter.  Change all callers.
9152         * fileread.h (class Input_file): Add input_file_argument method.
9153         Declare will_search_for.  Update declarations.
9154         * object.cc (make_elf_object): Add punconfigured parameter.
9155         Change all callers.
9156         * object.h (class Object): Make input_file public.  Add
9157         searched_for method.
9158         (make_elf_object): Update declaration.
9159         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9160         restart search.
9161         * dirsearch.h (class Dirsearch): Update declaration.
9162         * options.h (class General_options): Add --warn-search-mismatch.
9163         * parameters.cc (Parameters::is_compatible_target): New function.
9164         * parameters.h (class Parameters): Declare is_compatible_target.
9165         * workqueue.cc (Workqueue::add_blocker): New function.
9166         * workqueue.h (class Workqueue): Declare add_blocker.
9168         * fileread.cc (Input_file::open): Remove options parameter.
9169         Change all callers.
9170         (Input_file::open_binary): Likewise.
9171         * script.cc (read_input_script): Likewise.
9172         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9173         options parameter from constructor.  Change all callers.
9174         (class Read_script): Likewise.
9175         * fileread.h (class Input_file): Update declarations.
9176         * script.h (read_input_script): Update declaration.
9178 2009-03-10  Nick Clifton  <nickc@redhat.com>
9180         * po/es.po: New Spanish translation.
9182 2009-03-06  Cary Coutant  <ccoutant@google.com>
9184         * options.cc (parse_short_option): Keep dash_z from registering itself.
9186 2009-03-03  Ian Lance Taylor  <iant@google.com>
9188         PR 9918
9189         * target-reloc.h (relocate_section): Pass output_section to
9190         relocate.
9191         * i386.cc (Target_i386::should_apply_static_reloc): Add
9192         output_section parameter.  Change all callers.
9193         (Target_i386::Relocate::relocate): Add output_section parameter.
9194         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9195         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9196         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9197         * testsuite/two_file_shared.sh: New script.
9198         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9199         (check_DATA): Add two_file_shared.dbg.
9200         (two_file_shared.dbg): New target.
9201         * testsuite/Makefile.in: Rebuild.
9203 2009-03-01  Ian Lance Taylor  <iant@google.com>
9205         * configure.ac: Check for byteswap.h.
9206         * configure: Rebuild.
9207         * config.in: Rebuild.
9209 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9211         * layout.cc (Layout::find_or_add_kept_section): New function.
9212         (Layout::add_comdat): Removed.
9213         * layout.h (struct Kept_section): Move out of class Layout.
9214         Remove trailing underscores from field names.  Add group_sections
9215         field.  Rename group_ field to is_group.  Change all uses.
9216         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9217         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9218         comdat_groups_ field.
9219         (Sized_relobj::include_section_group): Use
9220         find_or_add_kept_section and Kept_section::group_sections.
9221         (Sized_relobj::include_linkonce_section): Likewise.
9222         * object.cc (class Sized_relobj): Don't define Comdat_group or
9223         Comdat_group_table.  Remove find_comdat_group and
9224         add_comdat_group.  Remove comdat_groups_ field.
9225         * plugin.cc (include_comdat_group): Use
9226         Layout::find_or_add_kept_section.
9228 2009-02-28  Ian Lance Taylor  <iant@google.com>
9230         * README: --gc-sections and map files are now supported.  Document
9231         some build requirements.
9233         PR 6992
9234         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9235         relocatable link set the value of the section symbol to zero.
9236         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9237         relocatable link don't include the section address in the local
9238         symbol value.
9240 2009-02-27  Ian Lance Taylor  <iant@google.com>
9242         PR 6811
9243         * options.h (class Search_directory): Add is_system_directory.
9244         (class General_options): Declare is_in_system_directory.
9245         * options.cc (get_relative_sysroot): Make static.
9246         (get_default_sysroot): Make static.
9247         (General_optoins::is_in_system_directory): New function.
9248         * fileread.cc (Input_file::is_in_system_directory): New function.
9249         * fileread.h (class Input_file): Declare is_in_system_directory.
9250         * object.h (class Object): Add is_in_system_directory.
9251         (class Input_objects): Remove system_library_directory_ field.
9252         * object.cc (Input_objects::add_object): Don't set
9253         system_library_directory_.
9254         (input_objects::found_in_system_library_directory): Remove.
9255         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9256         parameter.  Change all callers.
9257         (Symbol_table::sized_write_globals): Likewise.
9258         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9259         Call Object::is_in_system_directory.
9260         * symtab.h (class Symbol_table): Update declarations.
9262         PR 5990
9263         * descriptors.h (Open_descriptor): Add is_on_stack field.
9264         * descriptors.cc (Descriptors::open): If the descriptor is on the
9265         top of the stack, remove it.  Initialize is_on_stack field.
9266         (Descriptors::release): Only add pod to stack if it is not on the
9267         stack already.
9268         (Descriptors::close_some_descriptor): Clear stack_next and
9269         is_on_stack fields.
9271         PR 7091
9272         * output.cc (Output_section::find_starting_output_address): Rename
9273         from starting_output_address; add PADDR parameter; change return
9274         type.
9275         * output.h (class Output_section): Declare
9276         find_starting_output_address instead of starting_output_address.
9277         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9278         section symbol for which we can't find a merge section.
9280         PR 9836
9281         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9282         hidden or internal, force the symbol to be local.
9283         * resolve.cc (Symbol::override_visibility): Define.
9284         (Symbol::override_base): Use override_visibility.
9285         (Symbol_table::resolve): Likewise.
9286         (Symbol::override_base_with_special): Likewise.
9287         (Symbol_table::override_with_special): If the visibility is hidden
9288         or internal, force the symbol to be local.
9289         * symtab.h (class Symbol): Add set_visibility and
9290         override_visibility.
9291         * testsuite/ver_test_1.sh: New file.
9292         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9293         (check_DATA): Add ver_test_1.syms.
9294         (ver_test_1.syms): New target.
9295         * testsuite/Makefile.in: Rebuild.
9297 2009-02-25  Cary Coutant  <ccoutant@google.com>
9299         * layout.cc (Layout::choose_output_section): Don't rename sections
9300         when using a linker script that has a SECTIONS clause.
9301         * Makefile.in: Regenerate.
9303         * testsuite/Makefile.am (script_test_5.sh): New test case.
9304         * testsuite/Makefile.in: Regenerate.
9305         * testsuite/script_test_5.cc: New file.
9306         * testsuite/script_test_5.sh: New file.
9307         * testsuite/script_test_5.t: New file.
9309 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9311         * archive.cc (Archive::include_member): Update calls to add_symbols.
9312         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9313         the Layout argument.
9314         * dynobj.h (do_add_symbols): Add the Layout argument.
9315         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9316         Layout argument.
9317         * object.h (Object::add_symbols): Add the Layout argument.
9318         (Object::do_add_symbols): Add the Layout argument.
9319         (Sized_relobj::do_add_symbols): Add the Layout argument.
9320         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9321         Unify the two versions.
9322         (Add_plugin_symbols): Remove.
9323         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9324         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9325         (Add_plugin_symbols): Remove.
9326         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9327         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9328         (Add_symbols::run): Make it work with Pulginobj.
9330 2009-02-06  Ian Lance Taylor  <iant@google.com>
9332         * object.cc (Sized_relobj::do_layout): Make info message start
9333         with lower case letter.
9335 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9337         * binary.cc: Fix file comment.
9339         * options.h (enum Incremental_disposition): Define.
9340         (class General_options): Add new options: --incremental,
9341         --incremental_changed, --incremental_unchanged,
9342         --incremental_unknown.  Add incremental_disposition_ and
9343         implicit_incremental_ fields.
9344         (General_options::incremental_disposition): New function.
9345         (class Position_dependent_options): Add incremental_disposition
9346         option.
9347         (Position_dependent_options::copy_from_options): Set incremental
9348         dispositions.
9349         * options.cc (General_options::parse_incremental_changed): New
9350         function.
9351         (General_options::parse_incremental_unchanged): New function.
9352         (General_options::parse_incremental_unknown): New function.
9353         (General_options::General_options): Initialize new fields
9354         incremental_disposition_ and implicit_incremental_.
9355         (General_options::finalize): Check for uasge of --incremental-*
9356         without --incremental.
9358 2009-02-06  Chris Demetriou  <cgd@google.com>
9360         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9361         pointer and to report location as the file name associated with
9362         the symbol.
9363         (gold_undefined_symbol_at_location): New function to replace the
9364         old gold_undefined_symbol functionality.
9365         * target-reloc.h (relocate_section): Update to use
9366         gold_undefined_symbol_at_location.
9367         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9368         Call gold_undefined_symbol function rather than gold_error.
9369         * errors.h (Errors::undefined_symbol): Take location as a
9370         string, rather than calculating it from a relocation.
9371         * errors.cc (Errors::fatal): Print "fatal error:" before the
9372         formatted message.
9373         (Errors::error, Errors::error_at_location): Print "error: "
9374         before the formatted message.
9375         (Errors::undefined_symbol): Take location as a string, rather
9376         than calculating it from a relocation.
9377         (gold_undefined_symbol_at_location): New function akin to
9378         old gold_undefined_symbol, calculates location from relocation.
9379         (gold_undefined_symbol): Change to take only a Symbol pointer
9380         and to report location as the file name associated with the symbol.
9381         * testsuite/debug_msg.sh: Update for changed error messages.
9382         * testsuite/undef_symbol.sh: Likewise.
9384 2009-02-04  Duncan Sands  <baldrick@free.fr>
9386         PR 9812
9387         * reduced_debug_output.h
9388         (Output_reduced_debug_abbrev_section::failed): Use format for
9389         gold_warning.
9390         (Output_reduced_debug_info_section::faild): Likewise.
9392 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9394         * script.cc (Lazy_demangler): New class.
9395         (Version_script_info::get_symbol_version_helper): Demangle a
9396         symbol only once.
9398 2009-01-29  Cary Coutant  <ccoutant@google.com>
9400         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9401         to __tls_get_addr.
9402         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9404 2009-01-28  Ian Lance Taylor  <iant@google.com>
9406         * version.cc (version_string): Bump to 1.9.
9408         * gold.h: Include <cstring> and <stdint.h>.
9409         * version.cc: Include <cstdio>.
9410         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9411         warning.
9412         * reduced_debug_output.cc (insert_into_vector): Rename from
9413         Insert_into_vector; change all callers.  Use Swap_unaligned to
9414         avoid aliasing issue; remove union since it is unnecessary.
9416 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9418         * Makefile.am (CCFILES): Add gc.cc.
9419         (HFILES): Add gc.h.
9420         * Makefile.in: Regenerate.
9421         * gold.cc (Gc_runner): New class.
9422         (queue_initial_tasks): Call garbage collection related tasks
9423         when corresponding options are invoked.
9424         (queue_middle_gc_tasks): New function.
9425         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9426         processed early before laying out sections during garbage collection.
9427         * gold.h (queue_middle_gc_tasks): New function.
9428         (is_prefix_of): Move from "layout.cc".
9429         * i386.cc (Target_i386::gc_process_relocs): New function.
9430         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9431         * main.cc (main): Create object of class "Garbage_collection".
9432         * object.cc (Relobj::copy_symbols_data): New function.
9433         (Relobj::is_section_name_included): New function.
9434         (Sized_relobj::do_layout): Allow this function to be called twice
9435         during garbage collection and defer layout of section during the
9436         first call.
9437         * object.h (Relobj::get_symbols_data): New function.
9438         (Relobj::is_section_name_included): New function.
9439         (Relobj::copy_symbols_data): New function.
9440         (Relobj::set_symbols_data): New function.
9441         (Relobj::get_relocs_data): New function.
9442         (Relobj::set_relocs_data): New function.
9443         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9444         (Relobj::gc_process_relocs): New function.
9445         (Relobj::do_gc_process_relocs): New pure virtual function.
9446         (Relobj::sd_): New data member.
9447         (Sized_relobj::is_output_section_offset_invalid): New function.
9448         (Sized_relobj::do_gc_process_relocs): New function.
9449         * options.h (General_options::gc_sections): Modify to not be a no-op.
9450         (General_options::print_gc_sections): New option.
9451         * plugin.cc (Plugin_finish::run): Remove function call to
9452         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9453         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9454         * reloc.cc (Read_relocs::run): Add task to process relocs and
9455         determine unreferenced sections when doing garbage collection.
9456         (Gc_process_relocs): New class.
9457         (Sized_relobj::do_gc_process_relocs): New function.
9458         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9459         sections that are garbage collected.
9460         * reloc.h (Gc_process_relocs): New class.
9461         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9462         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9463         symbols whose corresponding sections are garbage collected.
9464         (Symbol_table::Symbol_table): Add new parameter for the garbage
9465         collection object.
9466         (Symbol_table::gc_mark_undef_symbols): New function.
9467         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9468         (Symbol_table::gc_mark_dyn_syms): New function.
9469         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9470         as garbage.
9471         (Symbol_table::add_from_object): Likewise.
9472         (Symbol_table::add_from_relobj): When building shared objects, do not
9473         treat externally visible symbols as garbage.
9474         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9475         table information for static and relocatable links.
9476         * symtab.h (Symbol_table::set_gc): New function.
9477         (Symbol_table::gc): New function.
9478         (Symbol_table::gc_mark_undef_symbols): New function.
9479         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9480         (Symbol_table::gc_mark_dyn_syms): New function.
9481         (Symbol_table::gc_): New data member.
9482         * target.h (Sized_target::gc_process_relocs): New pure virtual
9483         function.
9484         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9485         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9487 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9489         * options.h (General_options::gc_sections): Define as a no-op for now.
9490         (General_options::no_keep_memory): Ditto.
9491         (General_options::Bshareable): Define.
9492         * options.cc (General_options::finalize): Honor -Bshareable.
9494 2009-01-20  Andreas Schwab  <schwab@suse.de>
9496         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9497         read the value in the contents, since we don't use it.  Use the
9498         template endianness when writing.
9499         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9501 2009-01-19  Andreas Schwab  <schwab@suse.de>
9503         * configure.tgt (powerpc64-*): Fix targ_obj.
9505 2009-01-15  Ian Lance Taylor  <iant@google.com>
9507         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9508         local symbols when stripping all symbols.
9510 2009-01-14  Cary Coutant  <ccoutant@google.com>
9512         * output.cc (Output_reloc): Add explicit instantiations.
9514 2009-01-14  Cary Coutant  <ccoutant@google.com>
9516         * archive.cc (Archive::get_elf_object_for_member): Remove call
9517         to File_read::claim_for_plugin.
9518         * descriptors.cc (Descriptors::open): Remove reference to
9519         is_claimed.
9520         (Descriptors::claim_for_plugin): Remove.
9521         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9522         (Descriptors::is_claimed): Remove.
9523         (claim_descriptor_for_plugin): Remove.
9524         * fileread.cc (File_read::claim_for_plugin): Remove.
9525         * fileread.h (File_read::claim_for_plugin): Remove.
9526         (File_read::descriptor): Reopen descriptor if necessary.
9527         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9528         (Plugin_manager::all_symbols_read): Add task parameter. Change
9529         all callers.
9530         (Plugin_manager::get_input_file): New function.
9531         (Plugin_manager::release_input_file): New function.
9532         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9533         corresponding data member.
9534         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9535         and pass to base constructor. Change all callers.
9536         (get_input_file, release_input_file): New functions.
9537         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9538         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9539         (Plugin_manager::all_symbols_read): Add task parameter.
9540         (Plugin_manager::get_input_file): New function.
9541         (Plugin_manager::release_input_file): New function.
9542         (Plugin_manager::task_): New data member.
9543         (Pluginobj::Pluginobj): Add filesize parameter.
9544         (Pluginobj::filename): New function.
9545         (Pluginobj::descriptor): New function.
9546         (Pluginobj::filesize): New function.
9547         (Pluginobj::filesize_): New data member.
9548         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9549         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9550         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9552         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9553         with archive libraries.
9554         * testsuite/Makefile.in: Regenerate.
9555         * testsuite/plugin_test.c (struct sym_info): New type.
9556         (get_input_file, release_input_file): New static variables.
9557         (onload): Capture new transfer vector entries.
9558         (claim_file_hook): Stop reading at end of file according to filesize.
9559         Factor out parsing of readelf output into separate function.
9560         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9561         APIs and get the source file name from the symbol table.  Convert
9562         source file name to corresponding object file name.  Print info
9563         message when adding new input files.
9564         (parse_readelf_line): New function.
9565         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9566         * testsuite/plugin_test_2.sh: Likewise.
9567         * testsuite/plugin_test_3.sh: Likewise.
9568         * testsuite/plugin_test_4.sh: New test case.
9570 2009-01-07  Ian Lance Taylor  <iant@google.com>
9572         * version.cc (version_string): Bump to 1.8.
9574 2008-12-23  Cary Coutant  <ccoutant@google.com>
9576         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9577         * plugin.cc (Plugin_manager::finish): Rename as
9578         layout_deferred_objects.  Move cleanup to separate function.
9579         (Plugin_manager::cleanup): New function.
9580         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9581         separately.
9582         * plugin.h (Plugin_manager::finish): Rename as
9583         layout_deferred_objects.
9584         (Plugin_manager::cleanup): New function.
9585         (Plugin_manager::cleanup_done): New field.
9587 2008-12-23  Cary Coutant  <ccoutant@google.com>
9589         * plugin.cc (is_visible_from_outside): New function.
9590         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9591         so we don't return "IR only" status for exported symbols or -r links.
9593         * testsuite/Makefile.am (plugin_test_3): New test case.
9594         * testsuite/Makefile.in: Regenerate.
9595         * testsuite/plugin_test_3.sh: New file.
9597 2008-12-22  Cary Coutant  <ccoutant@google.com>
9599         * object.cc (Sized_relobj::layout_section): New function.
9600         (Sized_relobj::do_layout): Defer layout of input sections until after
9601         plugin has provided replacement files.
9602         (Sized_relobj::do_layout_deferred_sections): New function.
9603         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9604         (Relobj::layout_deferred_sections): New function.
9605         (Relobj::do_layout_deferred_sections): New function.
9606         (Sized_relobj::do_layout_deferred_sections): New function.
9607         (Sized_relobj::layout_section): New function.
9608         (Sized_relobj::Deferred_layout): New structure.
9609         (Sized_relobj::deferred_layout_): New field.
9610         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9611         Change all callers.  Layout deferred sections.
9612         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9613         references.
9614         (Plugin_hook::run): Move code from do_plugin_hook inline.
9615         (Plugin_hook::do_plugin_hook): Remove.
9616         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9617         (Plugin_manager::finish): Renamed, was cleanup.
9618         (Plugin_manager::should_defer_layout): New function.
9619         (Plugin_manager::add_deferred_layout_object): New function.
9620         (Plugin_manager::Deferred_layout_list): New type.
9621         (Plugin_manager::deferred_layout_objects_): New field.
9622         (Plugin_hook::do_plugin_hook): Remove.
9624 2008-12-17  Ian Lance Taylor  <iant@google.com>
9626         * options.h (class General_options): Add --no case for
9627         --export-dynamic.
9629 2008-12-16  Cary Coutant  <ccoutant@google.com>
9631         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9632         vector.
9633         (Plugin_manager::claim_file): Create plugin object even if
9634         plugin did not call the add_symbols callback.
9635         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9636         asking for more symbols than were added.
9637         * testsuite/Makefile.am (plugin_test_1): Add test case with
9638         no global symbols.
9639         (empty.syms): New target.
9640         * testsuite/Makefile.in: Regenerate.
9641         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9642         message. Don't call add_symbols if no globals.
9643         (all_symbols_read_hook): Don't provide replacement for empty
9644         claimed file.
9646 2008-12-12  Ian Lance Taylor  <iant@google.com>
9648         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9649         r_type == 0 for a local symbol with r_sym == 0.
9650         (scan_relocatable_relocs): Pass r_sym to
9651         local_non_section_strategy.
9652         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9653         r_sym parameter.
9655         * configure.ac: Update test for TLS descriptors: they are
9656         supported as of glibc 2.9.
9657         * configure: Rebuild.
9659 2008-12-11  Ian Lance Taylor  <iant@google.com>
9661         PR 7091
9662         * target-reloc.h (Default_scan_relocatable_relocs): For each
9663         function, map r_type == 0 to RELOC_DISCARD.
9665 2008-12-10  Cary Coutant  <ccoutant@google.com>
9667         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9668         object to override a kept COMDAT group from a plugin object.
9670 2008-12-09  Ian Lance Taylor  <iant@google.com>
9672         PR 7088
9673         * yyscript.y (file_cmd): Handle INPUT.
9675         * testsuite/initpri1.c: Change all declarations to be full
9676         prototypes by adding void, to avoid compiler warnings.
9678 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9680         * options.cc (General_options::parse_plugin_opt): New.
9681         (General_options::add_plugin): The argument now is just the filename.
9682         (General_options::add_plugin_option): New.
9683         * options.h (plugin_opt): New.
9684         (add_plugin): Change argument name.
9685         (add_plugin_option): New.
9686         * plugin.cc (Plugin::load): Don't parse the plugin option.
9687         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9688         (Plugin::add_option): New.
9689         (Plugin::args_): Change type.
9690         (Plugin::filename_): New.
9691         (Plugin_manager::add_plugin_option): New.
9692         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9693         * testsuite/Makefile.in: Regenerate.
9695 2008-12-05  Cary Coutant  <ccoutant@google.com>
9697         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9698         Handle --strip-lto-sections option.
9699         * options.h (strip_lto_sections): New option.
9701 2008-12-01  Cary Coutant  <ccoutant@google.com>
9703         * plugin.cc (ld_plugin_message): Change format parameter to const.
9704         Fix mismatch between new[] and delete.
9706 2008-11-14  Cary Coutant  <ccoutant@google.com>
9708         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9709         instead of -1U.
9711 2008-11-05  Craig Silverstein  <csilvers@google.com>
9713         * options.cc (General_options::parse_dynamic_list): New function.
9714         * options.h (General_options): New flags dynamic_list,
9715         dynamic_list_data, dynamic_list_cpp_new, and
9716         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9717         (General_options::in_dynamic_list): New function.
9718         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9719         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9720         (Lex::can_continue_name): Likewise.
9721         (yylex): Likewise.
9722         (read_script_file): New parameter script_options.
9723         (read_dynamic_list): New function.
9724         (Script_options::define_dynamic_list): New function.
9725         (dynamic_list_keyword_parsecodes): New variable.
9726         (dynamic_list_keywords): New variable.
9727         * script.h (Script_options::define_dynamic_list): New function
9728         prototype.
9729         (read_dynamic_list): New function prototype.
9730         * symtab.cc (strprefix): New macro.
9731         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9732         dynamic_list_data, dynamic_list_cpp_new, and
9733         dynamic_list_cpp_typeinfo.
9734         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9735         (dynamic_list_expr): New rule.
9736         (dynamic_list_nodes): Likewise.
9737         (dynamic_list_node): Likewise.
9738         * testsuite/Makefile.am (dynamic_list): New test.
9739         * testsuite/Makefile.in: Regenerated.
9740         * testsuite/dynamic_list.t: New file.
9741         * testsuite/dynamic_list.sh: New file.
9743 2008-11-05  Craig Silverstein  <csilvers@google.com>
9745         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9746         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9747         (t11_last): Likewise.
9748         * testsuite/ver_test_6.c (main): Likewise.
9750 2008-10-07  Cary Coutant  <ccoutant@google.com>
9752         * options.c (General_options::finalize): Add check for -static and
9753         -shared.
9754         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9755         is not empty.
9757 2008-10-02  Cary Coutant  <ccoutant@google.com>
9759         * plugin.cc (make_sized_plugin_object): Fix conditional
9760         compilation to work when not all targets are enabled.
9762 2008-09-29  Cary Coutant  <ccoutant@google.com>
9764         * archive.cc (Archive::get_file_and_offset): Use filename instead
9765         of name to get library path.
9766         (Archive::include_member): Unlock external member of a thin archive.
9768         * testsuite/Makefile.am (TEST_AR): New variable.
9769         (thin_archive_test_1): New test.
9770         (thin_archive_test_2): New test.
9771         * testsuite/Makefile.in: Regenerate.
9772         * testsuite/thin_archive_main.cc: New file.
9773         * testsuite/thin_archive_test_1.cc: New file.
9774         * testsuite/thin_archive_test_2.cc: New file.
9775         * testsuite/thin_archive_test_3.cc: New file.
9776         * testsuite/thin_archive_test_4.cc: New file.
9778 2008-09-29  Cary Coutant  <ccoutant@google.com>
9780         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9781         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9782         instead of -1U.
9783         (Sized_relobj::do_finalize_local_symbols): Likewise.
9784         (Sized_relobj::map_to_kept_section): Likewise.
9785         * object.h (Sized_relobj::invalid_address): New constant.
9786         (Sized_relobj::do_output_section_offset): Check for invalid_address
9787         and return -1ULL.
9788         * output.cc (Output_reloc::local_section_offset): Use constant
9789         invalid_address instead of -1U.
9790         (Output_reloc::get_address): Likewise.
9791         (Output_section::output_address): Change -1U to -1ULL.
9792         * output.h (Output_reloc::invalid_address): New constant.
9793         * reloc.cc (Sized_relobj::write_sections): Use constant
9794         invalid_address instead of -1U.
9795         (Sized_relobj::relocate_sections): Likewise.
9796         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9797         values for merge sections.
9798         * target-reloc.h (relocate_for_relocatable): Use constant
9799         invalid_address instead of -1U.
9801 2008-09-19  Cary Coutant  <ccoutant@google.com>
9803         Add plugin functionality for link-time optimization (LTO).
9804         * configure.ac (plugins): Add --enable-plugins option.
9805         * configure: Regenerate.
9806         * config.in: Regenerate.
9807         * Makefile.am (LIBDL): New variable.
9808         (CCFILES): Add plugin.cc.
9809         (HFILES): Add plugin.h.
9810         (ldadd_var): Add LIBDL.
9811         * Makefile.in: Regenerate.
9813         * archive.cc: Include "plugin.h".
9814         (Archive::setup): Don't preread archive symbols when using a plugin.
9815         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9816         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9817         files.
9818         (Archive::include_member): Add symbols from plugin objects.
9819         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9820         * descriptors.cc (Descriptors::open): Check for file descriptors
9821         abandoned by plugins.
9822         (Descriptors::claim_for_plugin): New function.
9823         * descriptors.h (Descriptors::claim_for_plugin): New function.
9824         (Open_descriptor::is_claimed): New field.
9825         (claim_descriptor_for_plugin): New function.
9826         * fileread.cc (File_read::claim_for_plugin): New function.
9827         * fileread.h (File_read::claim_for_plugin): New function.
9828         (File_read::descriptor): New function.
9829         * gold.cc: Include "plugin.h".
9830         (queue_initial_tasks): Add task to call plugin hooks for generating
9831         new object files.
9832         * main.cc: Include "plugin.h".
9833         (main): Load plugin libraries.
9834         * object.h (Pluginobj): Declare.
9835         (Object::pluginobj): New function.
9836         (Object::do_pluginobj): New function.
9837         (Object::set_target): New function.
9838         * options.cc: Include "plugin.h".
9839         (General_options::parse_plugin): New function.
9840         (General_options::General_options): Initialize plugins_ field.
9841         (General_options::add_plugin): New function.
9842         * options.h (Plugin_manager): Declare.
9843         (General_options): Add --plugin option.
9844         (General_options::has_plugins): New function.
9845         (General_options::plugins): New function.
9846         (General_options::add_plugin): New function.
9847         (General_options::plugins_): New field.
9848         * plugin.cc: New file.
9849         * plugin.h: New file.
9850         * readsyms.cc: Include "plugin.h".
9851         (Read_symbols::do_read_symbols): Check for archive before checking
9852         for ELF file.  Call plugin hooks to claim files.
9853         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9854         from a real object file; force override when processing replacement
9855         files.
9856         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9857         (Symbol::init_base_object): Likewise.
9858         (Symbol::init_base_output_data): Likewise.
9859         (Symbol::init_base_output_segment): Likewise.
9860         (Symbol::init_base_constant): Likewise.
9861         (Symbol::init_base_undefined): Likewise.
9862         (Symbol::output_section): Assert that object is not a plugin.
9863         (Symbol_table::add_from_pluginobj): New function.
9864         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9865         undefined.
9866         (Symbol_table::sized_write_globals): Likewise.
9867         (Symbol_table::add_from_pluginobj): Instantiate template.
9868         * symtab.h (Sized_pluginobj): Declare.
9869         (Symbol::in_real_elf): New function.
9870         (Symbol::set_in_real_elf): New function.
9871         (Symbol::in_real_elf_): New field.
9872         (Symbol_table::add_from_pluginobj): New function.
9874         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9875         (LIBDL): New variable.
9876         (LDADD): Add LIBDL.
9877         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9878         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9879         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9880         (MOSTLYCLEANFILES): Likewise.
9881         * testsuite/Makefile.in: Regenerate.
9882         * testsuite/plugin_test.c: New file.
9883         * testsuite/plugin_test_1.sh: New file.
9884         * testsuite/plugin_test_2.sh: New file.
9886 2008-09-16  Ian Lance Taylor  <iant@google.com>
9888         * target-reloc.h (relocate_section): Check whether a symbol is
9889         defined by the ABI before reporting an undefined symbol error.
9890         * target.h (Target::is_defined_by_abi): Make parameter const.
9891         (Target::do_is_defined_by_abi): Likewise.
9892         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9893         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9894         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9895         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9896         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9897         * testsuite/Makefile.in: Rebuild.
9899         * fileread.cc (make_view): Add casts to avoid warning.
9901 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9903         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9904         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9906 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9908         * options.h (General_options::output_is_executable): New.
9909         (General_options::output_is_pie): New.
9910         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9911         for shared libraries.
9912         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9914 2008-09-11  Chris Demetriou  <cgd@google.com>
9916         * options.h (origin): New -z option.
9917         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9918         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9919         in DT_FLAGS_1.
9921 2008-09-05  Cary Coutant  <ccoutant@google.com>
9923         * fileread.cc (File_read::make_view): Add check for attempt to map
9924         beyond end of file.
9926 2008-09-05  Cary Coutant  <ccoutant@google.com>
9928         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9929         explicit instantiations.
9931 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9933         PR gold/6858
9934         * options.cc (General_options::finalize): Allow undefined symbols
9935         in shlibs if linking -shared.
9937         PR gold/6859
9938         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9939         symbols as not needing a dynsym entry.
9941 2008-08-20  Craig Silverstein  <csilvers@google.com>
9943         * fileread.cc (File_read::open): Do not lock the file unless it
9944         was successfully opened.
9946 2008-08-14  Cary Coutant  <ccoutant@google.com>
9948         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9949         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9950         * testsuite/tls_test.cc (struct int128): 128-bit struct
9951         for testing TLS relocs with non-zero addend.
9952         (v12): New TLS variable.
9953         (t12): New test.
9954         (t_last): Add check for v12.
9955         * testsuite/tls_test.h (t12): New function.
9956         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9958 2008-08-13  Ian Lance Taylor  <iant@google.com>
9960         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9961         set tls_segment_ or relro_segment_.
9962         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9963         when appropriate.
9964         * output.h (Output_section::clear_is_relro): New function.
9965         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9966         sections specially even when output_data_ is empty.
9967         (Output_segment::maximum_alignment): When first section is relro,
9968         only force alignment for PT_LOAD segments.
9969         * script.cc (script_data_segment_align): New function.
9970         (script_data_segment_relro_end): New function.
9971         * script-c.h (script_data_segment_align): Declare.
9972         (script_data_segment_relro_end): Declare.
9973         * script-sections.h (class Script_sections): Declare
9974         data_segment_align and data_segment_relro_end.  Add fields
9975         segment_align_index_ and saw_relro_end_.
9976         * script-sections.cc (class Sections_element): Add set_is_relro
9977         virtual function.  Add new bool* parameter to place_orphan_here.
9978         Add get_output_section virtual function.
9979         (class Output_section_definition): Add set_is_relro.  Add new
9980         bool* parameter to place_orphan_here.  Add get_output_section.
9981         Add is_relro_ field.
9982         (Output_section_definition::Output_section_definition): Initialize
9983         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9984         and is_relro_ fields.
9985         (Output_section_definition::place_orphan_here): Add is_relro
9986         parameter.
9987         (Output_section_definition::set_section_addresses): Set relro for
9988         output section.
9989         (Output_section_definition::alternate_constraint): Likewise.
9990         (class Orphan_output_section): Add new bool* parameter to
9991         place_orphan_here.  Add get_output_section.
9992         (Orphan_output_section::place_orphan_here): Add is_relro
9993         parameter.
9994         (Script_sections::Script_sections): Initialize
9995         data_segment_align_index_ and saw_relro_end_.
9996         (Script_sections::data_segment_align): New function.
9997         (Script_sections::data_segment_relro_end): New function.
9998         (Script_sections::place_orphan): Set or clear is_relro.
9999         (Script_sections::set_section_addresses): Force alignment of first
10000         TLS section.
10001         * yyscript.y (exp): Call script_data_segment_align and
10002         script_data_segment_relro_end.
10003         * testsuite/relro_script_test.t: New file.
10004         * testsuite/relro_test.cc (using_script): Declare.
10005         (t1, t2): Test using_script.
10006         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10007         (relro_script_test_SOURCES): Define.
10008         (relro_script_test_DEPENDENCIES): Define.
10009         (relro_script_test_LDFLAGS): Define.
10010         (relro_script_test_LDADD): Define.
10011         (relro_script_test.so): New target.
10012         * testsuite/Makefile.in: Rebuild.
10014 2008-08-06  Cary Coutant <ccoutant@google.com>
10016         * archive.cc (Archive::total_archives, Archive::total_members)
10017         (Archive::total_members_loaded): New variables.
10018         (Archive::setup): Add parameter.  Add option to preread
10019         archive symbols.
10020         (Archive::read_armap): Add counter.
10021         (Archive::get_file_and_offset): New function.
10022         (Archive::get_elf_object_for_member): New function.
10023         (Archive::read_all_symbols): New function.
10024         (Archive::read_symbols): New function.
10025         (Archive::add_symbols): Add counters.
10026         (Archive::include_all_members): Use armap to find members if it's
10027         already built.
10028         (Archive::include_member): Skip reading symbols if already read.
10029         Factored code into Archive::get_file_and_offset and
10030         Archive::get_elf_object_for_member.  Changed call to
10031         Mapfile::report_include_archive_member.
10032         (Archive::print_stats): New function.
10033         * archive.h: Declare Object and Read_symbols_data classes.
10034         (Archive::Archive): Add initializers for new members.
10035         (Archive::setup): Add parameter.
10036         (Archive::print_stats): New function.
10037         (Archive::total_archives, Archive::total_members)
10038         (Archive::total_members_loaded): New variables.
10039         (Archive::get_file_and_offset): New function.
10040         (Archive::get_elf_object_for_member): New function.
10041         (Archive::read_all_symbols): New function.
10042         (Archive::read_symbols): New function.
10043         (Archive::Archive_member): New class.
10044         (Archive::members_): New member.
10045         (Archive::num_members_): New member.
10046         * main.cc: Include archive.h.
10047         (main): Call Archive::print_stats.
10048         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10049         archive parameter; member_name is now the fully-decorated name.
10050         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10051         * options.h: (General_options): Add --preread-archive-symbols option.
10052         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10053         Archive::setup.
10055 2008-08-04  Ian Lance Taylor  <iant@google.com>
10057         * symtab.h (Symbol::use_plt_offset): New function.
10058         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10059         * powerpc.cc (Relocate::relocate): Likewise.
10060         * sparc.cc (Relocate::relocate): Likewise.
10061         * x86_64.cc (Relocate::relocate): Likewise.
10062         * testsuite/weak_plt.sh: New test.
10063         * testsuite/weak_plt_main.cc: New test.
10064         * testsuite/weak_plt_shared.cc: New test.
10065         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10066         (check_PROGRAMS): Add weak_plt.
10067         (check_DATA): Add weak_plt_shared.so.
10068         (weak_plt_main_pic.o, weak_plt): New targets.
10069         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10070         * testsuite/Makefile.in: Rebuild.
10072         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10073         gcctestdir/ld.
10074         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10075         * testsuite/Makefile.in: Rebuild.
10077 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10079         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10080         * Makefile.in: Regenerate.
10081         * po/POTFILES.in: Regenerate.
10083 2008-07-29  Ian Lance Taylor  <iant@google.com>
10085         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10086         symbols before other symbols.
10087         * testsuite/script_test_2.cc (test_addr): Declare.
10088         (test_addr_alias): Declare.
10089         (main): Check that test_addr and test_addr_alias have the right
10090         values.
10091         * testsuite/script_test_2.t: Define test_addr_alias and
10092         test_addr.
10094 2008-07-24  Ian Lance Taylor  <iant@google.com>
10096         PR 5990
10097         * descriptors.cc: New file.
10098         * descriptors.h: New file.
10099         * gold-threads.h (class Hold_optional_lock): New class.
10100         * fileread.cc: Include "descriptors.h".
10101         (File_read::~File_read): Release descriptor rather than closing
10102         it.
10103         (File_read::open) [file]: Call open_descriptor rather than open.
10104         Set is_descriptor_opened_.
10105         (File_read::open) [memory]: Assert that descriptor is not open.
10106         (File_read::reopen_descriptor): New function.
10107         (File_read::release): Release descriptor.
10108         (File_read::do_read): Make non-const.  Reopen descriptor.
10109         (File_read::read): Make non-const.
10110         (File_read::make_view): Reopen descriptor.
10111         (File_read::do_readv): Likewise.
10112         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10113         Update declarations.
10114         * layout.cc: Include "descriptors.h".
10115         (Layout::create_build_id): Use open_descriptor rather than open.
10116         * output.cc: Include "descriptors.h".
10117         (Output_file::open): Use open_descriptor rather than open.
10118         * archive.cc (Archive::const_iterator): Change Archive to be
10119         non-const.
10120         (Archive::begin, Archive::end): Make non-const.
10121         (Archive::count_members): Likewise.
10122         * archive.h (class Archive): Update declarations.
10123         * object.h (Object::read): Make non-const.
10124         * Makefile.am (CCFILES): Add descriptors.cc.
10125         (HFILES): Add descriptors.h.
10126         * Makefile.in: Rebuild.
10128         PR 6716
10129         * gold.h: Always include <clocale>.  Add Solaris workarounds
10130         following code in binutils/sysdep.h.
10132         PR 6048
10133         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10134         this->eh_frame_hdr_ is NULL before using it.
10136         * dynobj.cc (Versions::Versions): Update comment.
10138         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10139         the base version name.
10141         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10142         array size plus one.
10143         (Stringpool_template::set_string_offsets): Subtract one from key
10144         before using it as an array index.
10145         (Stringpool_template::get_offset_with_length): Likewise.
10146         (Stringpool_template::write_to_buffer): Likewise.
10147         * stringpool.h (Stringpool_template::get_offset_from_key):
10148         Likewise.
10150 2008-07-23  Ian Lance Taylor  <iant@google.com>
10152         PR 6658
10153         * object.h (Merged_symbol_value::value): Do our best to handle a
10154         negative addend.
10156         PR 6647
10157         * script.cc (Version_script_info::get_versions): Don't add empty
10158         version tag to return value.
10159         (Version_script_info::get_symbol_version_helper): Change return
10160         type to bool.  Add pversion parameter.  Change all callers.
10161         (script_register_vers_node): Don't require a non-NULL tag.
10162         * script.h (class Version_script_info): Update declarations.
10163         (Version_script_info::get_symbol_version): Change return type to
10164         bool.  Add version parameter.  Change all callers.
10165         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10166         handling.  Handle an empty version from a version script.
10167         (Symbol_table::define_special_symbol): Likewise.
10168         * testsuite/ver_test_10.script: New file.
10169         * testsuite/ver_test_10.sh: New file.
10170         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10171         (check_DATA): Add ver_test_10.syms.
10172         (ver_test_10.syms, ver_test_10.so): New target.
10173         * testsuite/Makefile.in: Rebuild.
10175 2008-07-23  Simon Baldwin  <simonb@google.com>
10177         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10178         to zero for undefined symbols from dynamic libraries.
10180 2008-07-23  Ian Lance Taylor  <iant@google.com>
10182         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10183         Change all callers.
10184         * symtab.h (class Symbol_table): Update declaration.
10185         * testsuite/ver_test_9.cc: New file.
10186         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10187         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10188         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10189         (ver_test_9.so, ver_test_9.o): New targets.
10190         * testsuite/Makefile.in: Rebuild.
10192 2008-07-22  Ian Lance Taylor  <iant@google.com>
10194         * options.h (class General_options): Define --check-sections.
10195         * layout.cc (Layout::set_segment_offsets): Handle
10196         --check-sections.
10198         * options.h (class General_options): Define -n/--nmagic and
10199         -N/--omagic.
10200         * options.cc (General_options::finalize): For -n/--nmagic or
10201         -N/--omagic, set -static.
10202         * layout.cc (Layout::attach_allocated_section_to_segment): If
10203         -N/--omagic, don't put read-only and read-write sections in
10204         different segments.
10205         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10206         finding a read-only segment.
10207         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10208         don't set the minimum segment alignment to the common page size,
10209         and don't set the file offset to the address modulo the page size.
10210         * script-sections.cc (Script_sections::create_segments): If
10211         -n/--omagic, don't put read-only and read-write sections in
10212         different segments.
10214         * cref.cc: New file.
10215         * cref.h: New file.
10216         * options.h (class General_options): Add --print-symbol-counts.
10217         * main.cc (main): Issue defined symbol report if requested.
10218         * archive.cc (Archive::interpret_header): Make into a const member
10219         function.
10220         (Archive::add_symbols): Call Input_objects::archive_start and
10221         archive_stop.
10222         (Archive::const_iterator): Define new class.
10223         (Archive::begin, Archive::end): New functions.
10224         (Archive::include_all_members): Rewrite to use iterator.
10225         (Archive::count_members): New function.
10226         * archive.h (class Archive): Update declarations.
10227         (Archive::filename): New function.
10228         * object.cc: Include "cref.h".
10229         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10230         (Sized_relobj::do_get_global_symbol_counts): New function.
10231         (Input_objects::add_object): Add object to cross-referencer.
10232         (Input_objects::archive_start): New function.
10233         (Input_objects::archive_stop): New function.
10234         (Input_objects::print_symbol_counts): New function.
10235         * object.h: Declare Cref and Archive.
10236         (Object::get_global_symbol_counts): New function.
10237         (Object::do_get_global_symbol_counts): New pure virtual function.
10238         (class Sized_relobj): Add defined_count_ field.  Update
10239         declarations.
10240         (class Input_objects): Add cref_ field.  Update constructor.
10241         Update declarations.
10242         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10243         defined_count_.
10244         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10245         symbol counts.
10246         (Sized_dynobj::do_get_global_symbol_counts): New function.
10247         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10248         defined_count_.  Update declarations.  Define Symbols typedef.
10249         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10250         parameter.  Change all callers.
10251         (Symbol_table::add_from_dynobj): Add sympointers and defined
10252         parameters.  Change all callers.
10253         * symtab.h (class Symbol_table): Update declarations.
10254         * Makefile.am (CCFILES): Add cref.cc.
10255         (HFILES): Add cref.h.
10256         * Makefile.in: Rebuild.
10258 2008-07-22  Simon Baldwin  <simonb@google.com>
10260         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10261         to zero when writing undefined symbols.
10263 2008-07-22  Ian Lance Taylor  <iant@google.com>
10265         * output.cc (Output_section::add_input_section): Don't try to
10266         merge empty merge sections.
10268 2008-07-21  Craig Silverstein  <csilvers@google.com>
10270         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10271         Include symbol version in error message.
10273 2008-07-20  Chris Demetriou  <cgd@google.com>
10275         * configure.ac (gold_cv_c_random_seed): New configured variable.
10276         (RANDOM_SEED_CFLAGS): New substituted variable.
10277         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10278         * configure: Rebuild.
10279         * Makefile.in: Likewise.
10280         * testsuite/Makefile.in: Likewise.
10282 2008-07-18  Ian Lance Taylor  <iant@google.com>
10284         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10285         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10286         * testsuite/ver_test_main.cc (main): Call t4.
10287         (t4, t4_2a): Define.
10288         * testsuite/ver_test_2.cc (t4_2): Define.
10289         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10290         * testsuite/ver_test_4.cc (t4_2a): Define.
10291         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10292         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10294 2008-07-17  Ian Lance Taylor  <iant@google.com>
10296         * dynobj.cc (Versions::add_def): If we give an error about a
10297         missing version, go ahead and create the version anyhow.
10299 2008-07-10  Ian Lance Taylor  <iant@google.com>
10301         Handle output sections with more than 0x7fffffff bytes.
10302         * object.h (class Relobj): Change map_to_output_ to
10303         output_sections_, and just keep a section pointer.  Change all
10304         uses.  Move comdat group support to Sized_relobj.
10305         (Relobj::is_section_specially_mapped): Remove.
10306         (Relobj::output_section): Remove poff parameter.  Change all
10307         callers.
10308         (Relobj::output_section_offset): New function.
10309         (Relobj::set_section_offset): Rewrite.
10310         (Relobj::map_to_output): Remove.
10311         (Relobj::output_sections): New function.
10312         (Relobj::do_output_section_offset): New pure virtual function.
10313         (Relobj::do_set_section_offset): Likewise.
10314         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10315         group support from Relobj.  Update declarations.
10316         (Sized_relobj::get_output_section_offset): New function.
10317         (Sized_relobj::do_output_section_offset): New function.
10318         (Sized_relobj::do_set_section_offset): New function.
10319         * object.cc (Relobj::output_section_address): Remove.
10320         (Sized_relobj::Sized_relobj): Initialize new fields.
10321         (Sized_relobj::include_section_group): Cast find_kept_object to
10322         Sized_relobj.
10323         (Sized_relobj::include_linkonce_section): Likewise.
10324         (Sized_relobj::do_layout): Use separate arrays for output section
10325         and output offset.
10326         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10327         output_sections.
10328         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10329         output_sections and section_offsets.
10330         (Sized_relobj::write_local_symbols): Likewise.
10331         (map_to_kept_section): Compute output address directly.
10332         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10333         output_sections and section_offsets.
10334         (Sized_relobj::write_sections): Likewise.
10335         (Sized_relobj::relocate_sections): Likewise.
10336         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10337         * output.h (class Output_reloc): Update declarations.  Change
10338         u2_.relobj to Sized_relobj*.
10339         (class Output_data_reloc): Change add functions to use
10340         Sized_relobj*.
10341         * output.cc (Output_reloc::Output_reloc): Change relobj to
10342         Sized_relobj*.
10343         (Output_reloc::local_section_offset): Change return type to
10344         Elf_Addr.  Use get_output_section_offset.
10345         (Output_reloc::get_address): Likewise.
10346         (Output_section::is_input_address_mapped): Don't call
10347         is_section_specially_mapped.
10348         (Output_section::output_offset): Likewise.
10349         (Output_section::output_address): Likewise.
10350         (Output_section::starting_output_address): Likewise.
10351         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10352         parameter to Sized_relobj*.
10353         (Copy_relocs::need_copy_reloc): Likewise.
10354         (Copy_relocs::save): Likewise.
10355         * copy-relocs.h (class Copy_relocs): Update declarations.
10356         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10357         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10358         * target-reloc.h (relocate_for_relocatable): Change
10359         offset_in_output_section type to Elf_Addr.  Change code that uses
10360         it as well.
10361         * layout.cc (Layout::layout): Always set *off.
10362         * mapfile.cc (Mapfile::print_input_section): Use
10363         output_section_offset.
10364         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10365         Sized_relobj*.
10366         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10367         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10368         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10370 2008-07-03  Ian Lance Taylor  <iant@google.com>
10372         * layout.cc (Layout::include_section): Do not discard unrecognized
10373         SHT_STRTAB sections.
10375 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10377         * script.cc (Lex::can_continue_name): Make '?' allowable in
10378         version-script names.
10379         * testsuite/version_script.map: Change glob pattern to use '?'
10381 2008-06-30  Manish Singh  <yosh@gimp.org>
10383         PR 6585
10384         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10385         Correct typo.
10387 2008-06-30  Ian Lance Taylor  <iant@google.com>
10389         PR 6660
10390         PR 6682
10391         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10392         versions]: Don't try to read the value in the contents, since we
10393         don't use it.  Use the template endianness when writing.
10395 2008-06-25  Cary Coutant  <ccoutant@google.com>
10397         * fileread.cc (File_read::make_view): Assert on zero-length view.
10398         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10399         symbol table when there are no symbols to read.
10401 2008-06-23  Craig Silverstein  <csilvers@google.com>
10403         * version.cc (version_string): Bump to 1.7
10405 2008-06-18  Craig Silverstein  <csilvers@google.com>
10407         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10408         constant 0xFFFF to type Valtype.
10409         (Powerpc_relocate_functions::rel16_ha): Likewise.
10411 2008-06-17  Ian Lance Taylor  <iant@google.com>
10413         * output.h (Output_section::Input_section): Initialize p2align_ to
10414         zero for Output_section_data constructors.
10415         (Output_section::Input_section::addralign): If not an input
10416         section, return the alignment of the Output_section_data.
10417         * testsuite/copy_test.cc: New file.
10418         * testsuite/copy_test_1.cc: New file.
10419         * testsuite/copy_test_2.cc: New file.
10420         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10421         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10422         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10423         (copy_test_1_pic.o, copy_test_1.so): New targets.
10424         (copy_test_2_pic.o, copy_test_2.so): New targets.
10425         * testsuite/Makefile.in: Rebuild.
10427         * script-sections.cc (Script_sections::place_orphan): Initialize
10428         local variable exact.
10430 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10432         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10434 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10435             David S. Miller  <davem@davemloft.net>
10437         * powerpc.cc: New file.
10438         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10439         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10440         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10441         * Makefile.in: Rebuild.
10443 2008-06-09  Ian Lance Taylor  <iant@google.com>
10445         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10446         <exception>.
10447         (throwing, orig_terminate): New static variables.
10448         (terminate_handler): New static function.
10449         (t2): Set terminate handler.
10451 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10453         PR 6584
10454         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10455         alignment.
10457 2008-05-30  Cary Coutant  <ccoutant@google.com>
10459         * archive.cc (Archive::include_all_members) Correct to step
10460         over symbol table and extended name table in thin archives.
10462 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10464         PR 6407
10465         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10466         calculation.
10468 2008-05-28  Caleb Howe  <cshowe@google.com>
10470         * reduced_debug_output.cc: New file.
10471         * reduced_debug_output.h: New file.
10472         * options.h (class General_options): Add --strip-debug-non-line.
10473         * options.cc (General_options::finalize): Add strip_debug_non_line
10474         to the strip heirarchy.
10475         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10476         fields.
10477         * layout.cc: Include "reduced_debug_output.h".
10478         (Layout::Layout): Initialize new fields.
10479         (line_only_debug_sections): New static array.
10480         (is_lines_only_debug_sections): New static inline function.
10481         (Layout::include_section): Handle --strip-debug-non-line.
10482         (Layout::make_output_section): If --strip-debug-non-line, build
10483         new output sections for .debug_abbrev and .debug_info.
10484         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10485         gold.  Warn about possible overflow.
10486         (read_signed_LEB_128): Likewise.
10487         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10488         (read_signed_LEB_128): Declare.
10489         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10490         (HFILES): Add reduced_debug_output.h.
10491         * Makefile.in: Rebuild.
10493 2008-05-21  Ian Lance Taylor  <iant@google.com>
10495         * mapfile.cc: New file.
10496         * mapfile.h: New file.
10497         * options.h (class General_options): Add -M/--print-map and -Map.
10498         * options.cc (General_options::finalize): Make -M equivalent to
10499         -Map -.
10500         * main.cc: Include <cstdio> and "mapfile.h".
10501         (main): Open mapfile if requested.
10502         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10503         constructor.  Change caller.
10504         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10505         (queue_middle_tasks): Likewise.
10506         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10507         declarations.
10508         * archive.cc: Include "mapfile.h".
10509         (Archive::add_symbols): Add mapfile parameter.  Change all
10510         callers.  Pass mapfile, symbol, and reason to include_member.
10511         (Archive::include_all_members): Add mapfile parameter.  Change all
10512         callers.
10513         (Archive::include_member): Add mapfile, sym, and why parameters.
10514         Change all callers.  Report inclusion to map file.
10515         * archive.h: Include "fileread.h".
10516         (class Archive): Update declarations.
10517         (Archive::file): New const method.
10518         (class Add_archive_symbols): Add mapfile_ field.  Update
10519         constructor.  Change all callers.
10520         * readsyms.h (class Read_symbols): Likewise.
10521         (class Finish_group): Likewise.
10522         (class Read_script): Likewise.
10523         * common.cc: Include "mapfile.h".
10524         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10525         all callers.
10526         (Symbol_table::do_allocate_commons): Likewise.
10527         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10528         symbol allocation to mapfile.
10529         * common.h (class Allocate_commons_task): Add mapfile_ field.
10530         Update constructor.  Change all callers.
10531         * symtab.h (class Symbol_table): Update declarations.
10532         * layout.cc: Include "mapfile.h".
10533         (Layout_task_runner::run): Print information to mapfile.
10534         (Layout::create_gold_note): Change Output_data_fixed_space to
10535         Output_data_zero_fill.
10536         (Layout::create_build_id): Likewise.
10537         (Layout::print_to_mapfile): New function.
10538         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10539         constructor.  Change caller.
10540         (class Layout): Declare print_to_mapfile.
10541         * output.cc (Output_section::Input_section::print_to_mapfile): New
10542         function.
10543         (Output_section::add_input_section): If producing a map, always
10544         add to input_sections_ list.
10545         (Output_section::do_print_to_mapfile): New function.
10546         (Output_segment::print_sections_to_mapfile): New function.
10547         (Output_segment::print_section_list_to_mapfile): New function.
10548         * output.h: Include "mapfile.h".
10549         (Output_data::print_to_mapfile): New function.
10550         (Output_data::do_print_to_mapfile): New virtual function.
10551         (Output_segment_headers::do_print_to_mapfile): New function.
10552         (Output_file_header::do_print_to_mapfile): New function.
10553         (Output_data_const::do_print_to_mapfile): New function.
10554         (class Output_data_const_buffer): Add map_name_ field.  Update
10555         constructor.  Change all callers.  Add do_print_to_mapfile
10556         function.
10557         (class Output_data_fixed_space): Likewise.
10558         (class Output_data_space): Likewise.
10559         (class Output_data_zero_fill): New class.
10560         (Output_data_strtab::do_print_to_mapfile): New function.
10561         (Output_data_reloc_base::do_print_to_mapfile): New function.
10562         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10563         (Output_data_group::do_print_to_mapfile): New function.
10564         (Output_data_got::do_print_to_mapfile): New function.
10565         (Output_data_dynamic::do_print_to_mapfile): New function.
10566         (Output_symtab_xindex::do_print_to_mapfile): New function.
10567         (class Output_section): Declare do_print_to_mapflie.  Declare
10568         print_to_mapfile in Input_section.
10569         (class Output_segment): Declare new functions.
10570         * object.h (Sized_relobj::symbol_count): New function.
10571         * script-sections.cc
10572         (Output_section_element_dot_assignment::set_section_addresses):
10573         Change Output_data_fixed_space to Output_data_zero_fill.
10574         (Output_data_expression::do_print_to_mapfile): New function.
10575         * script.cc (read_input_script): Add mapfile parameter.  Change
10576         all callers.
10577         * script.h (read_input_script): Update declaration.
10578         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10579         (Eh_frame::do_print_to_mapfile): New function.
10580         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10581         (Output_merge_string::do_print_to_mapfile): New function.
10582         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10583         function.
10584         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10585         function.
10586         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10587         function.
10588         * Makefile.am (CCFILES): Add mapfile.cc.
10589         (HFILES): Add mapfile.h.
10590         * Makefile.in: Rebuild.
10592 2008-05-19  Ian Lance Taylor  <iant@google.com>
10594         * options.h (class General_options): Add -z relro.
10595         * layout.cc (Layout::Layout): Initialize relro_segment_.
10596         (Layout::add_output_section_data): Return the output section.
10597         (Layout::make_output_section): Rcognize relro sections and mark
10598         them appropriately.
10599         (Layout::attach_allocated_section_to_segment): Put relro sections
10600         in a PT_GNU_RELRO segment.
10601         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10602         section as relro.
10603         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10604         PT_TLS segments.
10605         (Layout::linkonce_mapping): Map d.rel.ro.local to
10606         .data.rel.ro.local.
10607         (Layout::output_section_name): Us .data.rel.ro.local for any
10608         section which begins with that.
10609         * layout.h (class Layout): Update add_output_section_data
10610         declaration.  Add relro_segment_ field.
10611         * output.cc (Output_section::Output_section): Initialize is_relro_
10612         and is_relro_local_ fields.
10613         (Output_segment::add_output_section): Group relro sections.
10614         (Output_segment::is_first_section_relro): New function.
10615         (Output_segment::maximum_alignment): If there is a relro section,
10616         align the segment to the common page size.
10617         (Output_segment::set_section_addresses): Track whether we are
10618         looking at relro sections.  If the last section is a relro
10619         section, align to the common page size.
10620         (Output_segment::set_section_list_addresses): Add in_relro
10621         parameter.  Change all callers.  Align to the page size when
10622         moving from relro to non-relro section.
10623         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10624         segment.
10625         * output.h (class Output_section): Add is_relro_ and
10626         is_relro_local_ fields.
10627         (Output_section::is_relro): New function.
10628         (Output_section::set_is_relro): New function.
10629         (Output_section::is_relro_local): New function.
10630         (Output_section::set_is_relro_local): New function.
10631         (class Output_segment): Update declarations.
10632         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10633         * sparc.cc (Target_sparc::got_section): Likewise.
10634         * x86_64.cc (Target_x86_64::got_section): Likewise.
10635         * testsuite/relro_test_main.cc: New file.
10636         * testsuite/relro_test.cc: New file.
10637         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10638         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10639         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10640         (relro_test.so, relro_test_pic.o): New targets.
10641         * testsuite/Makefile.in: Rebuild.
10643 2008-05-16  Ian Lance Taylor  <iant@google.com>
10645         * output.cc (Output_segment::add_output_section): Remove front
10646         parameter.
10647         * output.h (class Output_segment): Remove
10648         add_initial_output_section and overloaded add_output_section.
10649         Update declaration of remaining add_output_section.
10650         * layout.cc (Layout::create_interp): Call add_output_section
10651         rather than add_initial_output_section.
10652         (Layout::finish_dynamic_section): Likewise.
10654         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10655         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10656         know the dynamic type.
10657         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10658         field.  Initialize it in constructor.
10659         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10660         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10661         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10662         reloc.
10664         * output.cc (Output_reloc::get_address): Change return type to
10665         Elf_Addr.
10666         * output.h (class Output_reloc): Update get_address declaration.
10667         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10668         for section addresses.
10670 2008-05-09  Ian Lance Taylor  <iant@google.com>
10672         PR 6493
10673         * gold.cc (gold_nomem): Use return value of write.
10675 2008-05-08  Ian Lance Taylor  <iant@google.com>
10677         * symtab.c (Symbol::init_base_output_data): Add version
10678         parameter.  Change all callers.
10679         (Symbol::init_base_output_segment): Likewise.
10680         (Symbol::init_base_constant): Likewise.
10681         (Symbol::init_base_undefined): Likewise.
10682         (Sized_symbol::init_output_data): Likewise.
10683         (Sized_symbol::init_output_segment): Likewise.
10684         (Sized_symbol::init_constant): Likewise.
10685         (Sized_symbol::init_undefined): Likewise.
10686         (Symbol_table::do_define_in_output_data): If the new symbol has a
10687         version, mark it as the default.
10688         (Symbol_table::do_define_in_output_segment): Likewise.
10689         (Symbol_table::do_define_as_constant): Likewise.
10690         * symtab.h (class Symbol): Update declarations.
10691         (class Sized_symbol): Likewise.
10692         * resolve.cc (Symbol::override_version): New function.
10693         (Symbol::override_base): Call override_version.
10694         (Symbol::override_base_with_special): Likewise.
10695         * testsuite/ver_script_8.script: New file.
10696         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10697         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10698         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10699         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10701 2008-05-06  Ian Lance Taylor  <iant@google.com>
10703         PR 6049
10704         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10705         functions.
10706         (class General_options): Remove existing --undefined, and add
10707         --no-undefined instead.  Add new --undefined as synonym for -u.
10708         * archive.cc (Archive::add_symbols): Check whether symbol was
10709         named with -u.
10710         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10711         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10712         all uses.  Add IS_UNDEFINED.  Update declarations to split
10713         different versions of init_base.  Declare init_base_undefined.
10714         (Symbol::is_defined): Handle IS_UNDEFINED.
10715         (Symbol::is_undefined): Likewise.
10716         (Symbol::is_weak_undefined): Call is_undefined.
10717         (Symbol::is_absolute): Handle IS_CONSTANT.
10718         (class Sized_symbol): Update declarations to split different
10719         versions of init.  Declare init_undefined.
10720         (class Symbol_table): Declare new functions.
10721         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10722         Change all callers.
10723         (Symbol::init_base_output_data): Likewise.
10724         (Symbol::init_base_output_segment): Likewise.
10725         (Symbol::init_base_constant): Likewise.
10726         (Symbol::init_base_undefined): New function.
10727         (Sized_symbol::init_object): Rename from init.  Change all
10728         callers.
10729         (Sized_symbol::init_output_data): Likewise.
10730         (Sized_symbol::init_output_segment): Likewise.
10731         (Sized_symbol::init_constant): Likewise.
10732         (Sized_symbol::init_undefined): New function.
10733         (Symbol_table::add_undefined_symbols_from_command_line): New
10734         function.
10735         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10736         function.
10737         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10738         (Symbol::output_section): Likewise.
10739         (Symbol::set_output_section): Likewise.
10740         (Symbol_table::sized_finalize_symbol): Likewise.
10741         (Symbol_table::sized_write_globals): Likewise.
10742         * resolve.cc (Symbol_table::should_override): Likewise.
10743         (Symbol::override_base_with_special): Likewise.
10745         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10746         symbol, change it to have default visibility.
10747         * testsuite/protected_1.cc: New file.
10748         * testsuite/protected_2.cc: New file.
10749         * testsuite/protected_3.cc: New file.
10750         * testsuite/protected_main_1.cc: New file.
10751         * testsuite/protected_main_2.cc: New file.
10752         * testsuite/protected_main_3.cc: New file.
10753         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10754         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10755         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10756         (protected_1.so): New target.
10757         (protected_1_pic.o, protected_2_pic.o): New targets.
10758         (protected_3_pic.o): New target.
10759         (check_PROGRAMS): Add protected_2.
10760         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10761         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10762         * testsuite/Makefile.in: Rebuild.
10764         * options.h (DEFINE_var): Add set_user_set_##varname__.
10765         (DEFINE_bool_alias): New macro.
10766         (class General_options): Define -Bstatic using DEFINE_bool_alias
10767         rather than DEFINE_special.  Add --undefined as an alias for -z
10768         defs.
10769         * options.cc (General_options::parse_Bstatic): Remove.
10771         * options.h (class General_options): Add --fatal-warnings.
10772         * main.cc (main): Implement --fatal-warnings.
10773         * errors.h (Errors::warning_count): New function.
10775         * options.h (class General_options): Add -Bsymbolic-functions.
10776         * symtab.h (Symbol::is_preemptible): Check for
10777         -Bsymbolic-functions.
10779 2008-05-05  Ian Lance Taylor  <iant@google.com>
10781         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10782         as noVARNAME rather than no-VARNAME.
10783         (class General_options): Add option -z combreloc.
10784         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10785         get_address.
10786         (Output_reloc::sort_before) [SHT_REL]: New function.
10787         (Output_reloc::sort_before) [SHT_RELA]: New function.
10788         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10789         Sort_relocs_comparison.
10790         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10791         parameter.  Change all callers.
10792         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10793         sort_relocs parameter.  Change all callers.
10794         * output.cc (Output_reloc::get_address): New function, broken out
10795         of write_rel.
10796         (Output_reloc::write_rel): Call it.
10797         (Output_reloc::compare): New function.
10798         (Output_data_reloc_base::do_write): Optionally sort relocs.
10800         * configure.ac: If targ_extra_obj is set, link it in.
10801         * configure.tgt: Initialize all variables.
10802         (x86_64*): Set targ_extra_obj and targ_extra_size.
10803         * configure: Rebuild.
10805         * object.cc (Sized_relobj::include_section_group): Adjust section
10806         indexes read from group data.  Build vector to pass to
10807         layout_group.
10808         * layout.cc (Layout::layout_group): Add flags and shndxes
10809         parameters.  Remove contents parameter.  Change caller.  Update
10810         explicit instantiations.
10811         * layout.h (class Layout): Update layout_group declaration.
10812         * output.cc (Output_data_group::Output_data_group): Add flags and
10813         input_shndxes parameters.  Remove contents parameter.  Change
10814         caller.
10815         (Output_data_group::do_write): Change input_sections_ to
10816         input_shndxes_.
10817         * output.h (class Output_data_group): Update constructor
10818         declaration.  Rename input_sections_ to input_shndxes_.
10819         * testsuite/many_sections_test.cc: Add template.
10821 2008-04-30  Cary Coutant  <ccoutant@google.com>
10823         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10825         * layout.cc (Layout::include_section): Refactored check for debug
10826         info section.
10827         (Layout::add_comdat): Add new parameters.  Change type
10828         of signature parameter.  Add object and shndx to signatures table.
10829         (Layout::find_kept_object): New function.
10830         * layout.h: Include <cstring>.
10831         (Layout::is_debug_info_section): New function.
10832         (Layout::add_comdat): Add new parameters.
10833         (Layout::find_kept_object): New function.
10834         (Layout::Kept_section): New struct.
10835         (Layout::Signatures): Change type of map range.
10836         * object.cc (Relobj::output_section_address): New function.
10837         (Sized_relobj::include_section_group): Add new parameters.  Change
10838         calls to Layout::add_comdat.  Change to build table of kept comdat
10839         groups and table mapping discarded sections to kept sections.
10840         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10841         (Sized_relobj::do_layout): Change calls to include_section_group and
10842         include_linkonce_section.
10843         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10844         value to zero when section is discarded.
10845         (Sized_relobj::map_to_kept_section): New function.
10846         * object.h (Relobj::output_section_address): New function.
10847         (Relobj::Comdat_group): New type.
10848         (Relobj::find_comdat_group): New function.
10849         (Relobj::Comdat_group_table): New type.
10850         (Relobj::Kept_comdat_section): New type.
10851         (Relobj::Kept_comdat_section_table): New type.
10852         (Relobj::add_comdat_group): New function.
10853         (Relobj::set_kept_comdat_section): New function.
10854         (Relobj::get_kept_comdat_section): New function.
10855         (Relobj::comdat_groups_): New field.
10856         (Relobj::kept_comdat_sections_): New field.
10857         (Symbol_value::input_value): Update comment.
10858         (Sized_relobj::map_to_kept_section) New function.
10859         (Sized_relobj::include_linkonce_section): Add new parameter.
10860         * target-reloc.h (Comdat_behavior): New type.
10861         (get_comdat_behavior): New function.
10862         (relocate_section): Add code to map a discarded section to the
10863         corresponding kept section when applying a relocation.
10865 2008-04-30  Craig Silverstein  <csilvers@google.com>
10867         * dwarf_reader.cc (next_generation_count): New static var.
10868         (Addr2line_cache_entry): New struct.
10869         (addr2line_cache): New static var.
10870         (Dwarf_line_info::one_addr2line): Added caching.
10871         (Dwarf_line_info::clear_addr2line_cache): New function.
10872         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10873         cache-size parameter.
10874         (Dwarf_line_info::one_addr2line_cache): New function.
10875         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10876         new cache-size argument to one_addr2line(), and clear cache.
10878 2008-04-28  Cary Coutant  <ccoutant@google.com>
10880         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10881         R_386_PC8 relocations.
10883 2008-04-23  Ian Lance Taylor  <iant@google.com>
10885         * object.cc (Sized_relobj::include_section_group): Check for
10886         invalid section group.
10888         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10889         header size.
10891         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10892         than read for file header.
10893         * archive.cc (Archive::include_member): Likewise.
10895 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10897         * aclocal.m4: Regenerate.
10898         * configure: Regenerate.
10900 2008-04-19  Ian Lance Taylor  <iant@google.com>
10902         * version.cc (version_string): Bump to 1.6.
10904         * testsuite/Makefile.am (many_sections_r_test): New target.
10905         (many_sections_r_test_SOURCES): Remove.
10906         (many_sections_r_test_DEPENDENCIES): Remove.
10907         (many_sections_r_test_LDFLAGS): Remove.
10908         (many_sections_r_test_LDADD): Remove.
10910         * object.cc (Sized_relobj::do_add_symbols): Always pass
10911         local_symbol_count_ to add_from_relobj.
10913         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10914         every thousand variables.
10915         * testsuite/Makefile.in: Rebuild.
10917         * object.cc (Xindex::initialize_symtab_xindex): New function.
10918         (Xindex::read_symtab_xindex): New function.
10919         (Xindex::sym_xindex_to_shndx): New function.
10920         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10921         available.
10922         (Sized_relobj::do_initialize_xindex): New function.
10923         (Sized_relobj::do_read_symbols): Adjust section links.
10924         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10925         parameter.  Change all callers.
10926         (Sized_relobj::include_section_group): Adjust section links and
10927         symbol section indexes.
10928         (Sized_relobj::do_layout): Adjust section links.
10929         (Sized_relobj::do_count_local_symbols): Adjust section links and
10930         symbol section indexes.
10931         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10932         ordinary and special symbols.
10933         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10934         dynsym_xindex parameters.  Change all callers.  Adjust section
10935         links.  Use SHN_XINDEX when needed.
10936         (Sized_relobj::get_symbol_location_info): Adjust section links.
10937         Don't get fooled by special symbols.
10938         * object.h (class Xindex): Define.
10939         (class Object): Add xindex_ parameter.  Declare virtual functoin
10940         do_initialize_xindex.
10941         (Object::adjust_sym_shndx): New function.
10942         (Object::set_xindex): New protected function.
10943         (class Symbol_value): Add is_ordinary_shndx_ field.
10944         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10945         (Symbol_value::value): Assert ordinary section.
10946         (Symbol_value::initialize_input_to_output_map): Likewise.
10947         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10948         Change all callers.
10949         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10950         all callers.
10951         (class Sized_relobj): Update declarations.
10952         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10953         parameter.  Change all callers.
10954         (Sized_relobj::adjust_shndx): New function.
10955         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10956         field.
10957         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10958         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10959         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10960         (Sized_dynobj::read_dynsym_section): Adjust section links.
10961         (Sized_dynobj::read_dynamic): Likewise.
10962         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10963         section links.
10964         (Sized_dynobj::do_initialize_xindex): New function.
10965         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10966         do_initialize_xindex.
10967         (Sized_dynobj::adjust_shndx): New function.
10968         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10969         dynsym_xindex_ fields.
10970         (Layout::finalize): Add a call to set_section_indexes before
10971         creating the symtab sections.
10972         (Layout::set_section_indexes): Don't do anything if the section
10973         already has a section index.
10974         (Layout::create_symtab_sections): Add shnum parameter.  Change
10975         caller.  Create .symtab_shndx section if needed.
10976         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10977         caller.
10978         (Layout::allocated_output_section_count): New function.
10979         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10980         needed.
10981         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10982         fields.  Update declarations.
10983         (Layout::symtab_xindex): New function.
10984         (Layout::dynsym_xindex): New function.
10985         (class Write_symbols_task): Add layout_ field.
10986         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10987         Change caller.
10988         * output.cc (Output_section_headers::Output_section_headers): Add
10989         shstrtab_section parameter.  Change all callers.
10990         (Output_section_headers::do_sized_write): Store overflow values
10991         for section count and section string table section index in
10992         section header zero.
10993         (Output_file_header::do_sized_write): Check for overflow of
10994         section count and section string table section index.
10995         (Output_symtab_xindex::do_write): New function.
10996         (Output_symtab_xindex::endian_do_write): New function.
10997         * output.h (class Output_section_headers): Add shstrtab_section_.
10998         Update declarations.
10999         (class Output_symtab_xindex): Define.
11000         (Output_section::has_out_shndx): New function.
11001         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11002         field.
11003         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11004         Change all callers.
11005         (Sized_symbol::init): Likewise.
11006         (Symbol::output_section): Check for ordinary symbol.
11007         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11008         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11009         callers.
11010         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11011         Change all callers.  Simplify handling of symbols from sections
11012         not included in the link.
11013         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11014         distinction.
11015         (Weak_alias_sorter::operator()): Assert that symbols are
11016         ordinary.
11017         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11018         distinction.
11019         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11020         parameters.  Change all callers.
11021         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11022         symbol distinction.  Use SHN_XINDEX when needed.
11023         (Symbol_table::write_section_symbol): Add symtab_xindex
11024         parameter.  Change all callers.
11025         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11026         SHN_XINDEX when needed.
11027         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11028         declarations.
11029         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11030         (Symbol::is_defined): Check is_ordinary.
11031         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11032         (Symbol::is_absolute, Symbol::is_common): Likewise.
11033         (class Sized_symbol): Update declarations.
11034         (class Symbol_table): Update declarations.
11035         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11036         parameters.  Change all callers.
11037         (Sized_symbol::override): Likewise.
11038         (Symbol_table::override): Likewise.
11039         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11040         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11041         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11042         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11043         to be in an ordinary section.
11044         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11045         object and is_ordinary parameters.  Change all callers.
11046         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11047         Change all callers.  Don't add undefined or non-ordinary symbols
11048         to reloc_map_.
11049         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11050         Change all callers.
11051         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11052         declarations.
11053         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11054         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11055         (Sized_relobj::relocate_sections): Likewise.
11056         * target-reloc.h (scan_relocs): Adjust section symbol index.
11057         (scan_relocatable_relocs): Likewise.
11058         * i386.cc (Scan::local): Check for ordinary symbols.
11059         * sparc.cc (Scan::local): Likewise.
11060         * x86_64.cc (Scan::local): Likewise.
11061         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11062         to symbol_section_and_value.
11063         * testsuite/many_sections_test.cc: New file.
11064         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11065         (check_PROGRAMS): Add many_sections_test.
11066         (many_sections_test_SOURCES): Define.
11067         (many_sections_test_DEPENDENCIES): Define.
11068         (many_sections_test_LDFLAGS): Define.
11069         (BUILT_SOURCES): Add many_sections_define.h.
11070         (many_sections_define.h): New target.
11071         (BUILT_SOURCES): Add many_sections_check.h.
11072         (many_sections_check.h): New target.
11073         (check_PROGRAMS): Add many_sections_r_test.
11074         (many_sections_r_test_SOURCES): Define.
11075         (many_sections_r_test_DEPENDENCIES): Define.
11076         (many_sections_r_test_LDFLAGS): Define.
11077         (many_sections_r_test_LDADD): Define.
11078         (many_sections_r_test.o): New target.
11079         * testsuite/Makefile.in: Rebuild.
11081 2008-04-17  Cary Coutant  <ccoutant@google.com>
11083         * errors.cc (Errors::info): New function.
11084         (gold_info): New function.
11085         * errors.h (Errors::info): New function.
11086         * gold.h (gold_info): New function.
11087         * object.cc (Input_objects::add_object): Print trace output.
11088         * options.cc (options::parse_set): New function.
11089         (General_options::parse_wrap): Deleted.
11090         (General_options::General_options): Deleted initializer.
11091         * options.h (options::String_set): New typedef.
11092         (options::parse_set): New function.
11093         (DEFINE_set): New macro.
11094         (General_options::wrap): Changed to use DEFINE_set. Changed
11095         callers of any_wrap_symbols and is_wrap_symbol.
11096         (General_options::trace, General_options::trace_symbol):
11097         New options.
11098         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11099         (General_options::wrap_symbols_): Deleted.
11100         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11102 2008-04-17  David S. Miller  <davem@davemloft.net>
11104         * options.cc (General_options::parse_V): New function.
11105         * options.h: Add entries for -V and -Qy.
11107 2008-04-17  Ian Lance Taylor  <iant@google.com>
11109         * common.cc (Symbol_table::allocate_commons): Remove options
11110         parameter.  Change caller.
11111         (Symbol_table::do_allocate_commons): Remove options parameter.
11112         Change caller.  Just call do_allocate_commons_list twice.
11113         (Symbol_table::do_allocate_commons_list): New function, broken out
11114         of do_allocate_commons.
11115         * common.h (class Allocate_commons_task): Remove options_ field.
11116         Update constructor.
11117         * symtab.cc (Symbol_table::Symbol_table): Initialize
11118         tls_commons_.
11119         (Symbol_table::add_from_object): Put TLS common symbols on
11120         tls_commons_ list.
11121         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11122         which are IN_OUTPUT_DATA.
11123         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11124         allocate_commons and do_allocate_commons declarations.  Declare
11125         do_allocate_commons_list.
11126         * gold.cc (queue_middle_tasks): Update creation of
11127         Allocate_commons_task to not pass options.
11128         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11129         (TLS_TEST_C_FLAGS): New variable.
11130         (tls_test_c_pic.o): New target.
11131         (tls_test_shared.so): Link in tls_test_c_pic.o.
11132         (tls_test_c_pic_ie.o): New target.
11133         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11134         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11135         (tls_test_c.o): New target.
11136         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11137         (tls_pic_test_LDADD): Likewise.
11138         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11139         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11140         (tls_test_c_gnu2.o): New target.
11141         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11142         tls_test_c_gnu2.o.
11143         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11144         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11145         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11146         * testsuite/tls_test.cc: Include "config.h".
11147         (t_last): Call t11_last.
11148         * testsuite/tls_test.h (t11, t11_last): Declare.
11149         * testsuite/tls_test_c.c: New file.
11150         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11151         * configure.ac: Check for OpenMP support.
11152         * configure, config.in, Makefile.in: Rebuild.
11153         * testsuite/Makefile.in: Rebuild.
11155 2008-04-16  Cary Coutant  <ccoutant@google.com>
11157         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11158         (Target_i386::tls_base_symbol_defined_): New field.
11159         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11160         (Target_i386::Scan::global): Likewise.
11161         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11162         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11163         (Target_x86_64::tls_base_symbol_defined_): New field.
11164         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11165         (Target_x86_64::Scan::global): Likewise.
11167 2008-04-16  Cary Coutant  <ccoutant@google.com>
11169         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11170         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11171         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11172         building shared libraries.
11173         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11174         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11175         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11176         * testsuite/Makefile.in: Rebuild.
11177         * testsuite/weak_undef.h: New file.
11178         * testsuite/weak_undef_file1.cc: Add extra test cases.
11179         * testsuite/weak_undef_file2.cc: Likewise.
11180         * testsuite/weak_undef_test.cc: Likewise.
11182 2008-04-16  David S. Miller  <davem@davemloft.net>
11184         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11185         Add issued_non_pic_error_ field.  Declare check_non_pic.
11186         (Target_sparc::Scan::check_non_pic): New function.
11187         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11188         (Target_sparc::Scan::global): Likewise.
11190         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11191         * configure: Rebuild.
11193         * options.h (DEFINE_enable): New macro.
11194         (new_dtags): New enable option.
11195         (initfirst, interpose, loadfltr, nodefaultlib,
11196         nodelete, nodlopen, nodump): New -z options.
11197         * layout.cc (Layout:finish_dynamic_section): If new
11198         dtags enabled, emit DT_RUNPATH.  Also, emit a
11199         DT_FLAGS_1 containing any specified -z flags.
11201 2008-04-16  Ian Lance Taylor  <iant@google.com>
11203         * copy-relocs.cc: New file.
11204         * copy-relocs.h: New file.
11205         * reloc.cc: Remove Copy_relocs code.
11206         * reloc.h: Likewise.
11207         * reloc-types.h (struct Reloc_types) [both versions]: Add
11208         get_reloc_addend_noerror.
11209         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11210         variants of add_global which take an addend which must be zero.
11211         * i386.cc: Include "copy-relocs.h".
11212         (class Target_i386): Change type of copy_relocs_ to variable,
11213         update initializer.
11214         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11215         Change all callers.
11216         (Target_i386::do_finalize_sections): Change handling of
11217         copy_relocs_.
11218         * sparc.cc: Include "copy-relocs.h".
11219         (class Target_sparc): Change type of copy_relocs_ to variable,
11220         update initializer.
11221         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11222         Change all callers.
11223         (Target_sparc::do_finalize_sections): Change handling of
11224         copy_relocs_.
11225         * x86_64.cc: Include "copy-relocs.h".
11226         (class Target_x86_64): Change type of copy_relocs_ to variable,
11227         update initializer.
11228         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11229         class.  Change all callers.
11230         (Target_x86_64::do_finalize_sections): Change handling of
11231         copy_relocs_.
11232         * Makefile.am (CCFILES): Add copy-relocs.cc.
11233         (HFILES): Add copy-relocs.h.
11235         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11237         * testsuite/script_test_4.sh: Permit leading zeroes.
11239 2008-04-15  Ian Lance Taylor  <iant@google.com>
11241         * script-sections.cc (Script_sections::create_segments): Use
11242         header_size_adjustment even when there is enough room for the
11243         headers.
11244         * testsuite/script_test_4.sh: New file.
11245         * testsuite/script_test_4.t: New file.
11246         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11247         (check_DATA): Add script_test_4.stdout.
11248         (MOSTLYCLEANFILES): Likewise.
11249         (script_test_4): New target.
11250         (script_test_4.stdout): New target.
11251         * testsuite/Makefile.in: Rebuild.
11253         * sparc.cc: Add definitions for Output_data_plt_sparc class
11254         constants.
11256 2008-04-14  David S. Miller  <davem@davemloft.net>
11258         * sparc.cc: New file.
11259         * Makefile.am (TARGETSOURCES): Add sparc.cc
11260         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11261         * configure.tgt: Document targ_extra_size and
11262         targ_extra_big_endian.  Add entries for sparc-* and
11263         sparc64-*.
11264         * configure.ac: Handle targ_extra_size and
11265         targ_extra_big_endian.
11266         * Makefile.in: Rebuild.
11267         * configure: Likewise.
11268         * po/POTFILES.in: Likewise.
11269         * po/gold.pot: Likewise.
11271 2008-04-14  Ian Lance Taylor  <iant@google.com>
11273         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11274         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11275         in the name/type/flags to section mapping.  Don't call
11276         allocate_output_section.
11277         (Layout::choose_output_section): Change parameter from adjust_name
11278         to is_input_section.  Don't permit input sections after sections
11279         are attached to segments.  Don't call allocate_output_section.
11280         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11281         not write_enable_output_section.
11282         (Layout::make_output_section): Don't push to
11283         unattached_section_list_ nor call attach_to_segment.  Call
11284         attach_section_to_segment if sections are attached.
11285         (Layout::attach_sections_to_segments): New function.
11286         (Layout::attach_section_to_segment): New function.
11287         (Layout::attach_allocated_section_to_segment): Rename from
11288         attach_to_segment.  Remove flags parameter.
11289         (Layout::allocate_output_section): Remove function.
11290         (Layout::write_enable_output_section): Remove function.
11291         * layout.h (class Layout): Update for above changes.  Add new
11292         field sections_are_attached_.
11293         * output.h (Output_section::update_flags_for_input_section): New
11294         function.
11295         * output.cc (Output_section::add_input_section): Call
11296         update_flags_for_input_section.
11297         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11299 2008-04-11  Cary Coutant  <ccoutant@google.com>
11301         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11302         thought unnecessary.
11303         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11305 2008-04-11  Ian Lance Taylor  <iant@google.com>
11307         * output.h (class Output_section_data): Remove inline definition
11308         of set_addralign.
11309         * output.cc (Output_section_data::set_addralign): New function.
11311 2008-04-11  Cary Coutant  <ccoutant@google.com>
11313         Add support for TLS descriptors for i386 and x86_64.
11314         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11315         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11316         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11317         GOT_TYPE_TLS_DESC.
11318         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11319         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11320         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11321         relocations.
11322         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11323         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11324         Fix problem with initial-exec relocations.
11325         (Target_i386::Relocate::relocate_tls): Likewise.
11326         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11327         relaxation.
11328         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11329         support for section-plus-offset dynamic table entries.
11330         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11331         (Output_data_dynamic::Dynamic_entry): Add support for
11332         section-plus-offset dynamic table entries.
11333         (Output_data_dynamic::Classification): Likewise.
11334         (Output_data_dynamic::classification_): Renamed offset_.
11335         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11336         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11337         (Target_x86_64::make_plt_section): New function.
11338         (Target_x86_64::reserve_tlsdesc_entries): New function.
11339         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11340         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11341         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11342         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11343         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11344         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11345         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11346         add extra PLT entry for TLS descriptors.
11347         (Output_data_plt_x86_64::got_): New field.
11348         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11349         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11350         fields.
11351         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11352         descriptors.
11353         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11354         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11355         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11356         R_386_TLS_DESC_CALL relocations.
11357         (Target_x86_64::Scan::global): Likewise.
11358         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11359         for TLS descriptors.
11360         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11361         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11362         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11363         GD-to-IE relaxation.
11364         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11365         and TLS_DESCRIPTORS.
11366         * Makefile.in: Rebuild.
11367         * configure: Rebuild.
11368         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11369         (tls_test_shared2.so): New target.
11370         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11371         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11372         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11373         (tls_shared_gd_to_ie_test_LDADD): New variable.
11374         (tls_shared_gnu2_gd_to_ie_test): New target.
11375         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11376         New targets.
11377         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11378         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11379         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11380         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11381         (tls_shared_gnu2_test): New target.
11382         (tls_test_gnu2_shared.so): New target.
11383         (tls_shared_gnu2_test_SOURCES): New variable.
11384         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11385         (tls_shared_gnu2_test_LDFLAGS): New variable.
11386         (tls_shared_gnu2_test_LDADD): New variable.
11387         * testsuite/Makefile.in: Rebuild.
11388         * testsuite/Makefile.
11390 2008-04-11  Ian Lance Taylor  <iant@google.com>
11392         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11393         justsyms.t.
11394         * testsuite/Makefile.in: Rebuild.
11396         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11397         long.
11398         * testsuite/script_test_2.cc (main): Adjust test.
11400 2008-04-11  David S. Miller  <davem@davemloft.net>
11401             Ian Lance Taylor  <iant@google.com>
11403         * options.h (General_options): Add entries for '-Y' and
11404         '-relax'.
11405         * options.cc (General_options:finalize): If -Y was used, add those
11406         entries to the library path instead of the default "/lib" and
11407         "/usr/lib".
11409 2008-04-11  David S. Miller  <davem@davemloft.net>
11411         * testsuite/justsyms.t: Start at 0x100.
11412         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11413         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11414         long.
11415         * testsuite/script_test_2.cc: Adjust string and section length
11416         checks.
11418 2008-04-09  Ian Lance Taylor  <iant@google.com>
11420         PR gold/5996
11421         * script-sections.cc (Sections_element::allocate_to_segment): Add
11422         orphan parameter.
11423         (Output_section_definition::allocate_to_segment): Likewise.
11424         (Orphan_output_section::allocate_to_segment): Likewise.
11425         (Script_sections::attach_sections_using_phdrs_clause): Don't
11426         propagate non-PT_LOAD segments to orphan sections.
11427         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11428         readelf rather than objdump.
11429         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11430         .interp section and PT_INTERP segment are the same size.
11431         * testsuite/Makefile.in: Rebuild.
11433         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11434         aliases for symbols defined in the same object.
11435         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11436         (weak_alias_test_SOURCES): New variable.
11437         (weak_alias_test_DEPENDENCIES): New variable.
11438         (weak_alias_test_LDFLAGS): New variable.
11439         (weak_alias_test_LDADD): New variable.
11440         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11441         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11442         (weak_alias_test_3.o): New target.
11443         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11444         * testsuite/weak_alias_test_main.cc: New file.
11445         * testsuite/weak_alias_test_1.cc: New file.
11446         * testsuite/weak_alias_test_2.cc: New file.
11447         * testsuite/weak_alias_test_3.cc: New file.
11449 2008-04-08  Ian Lance Taylor  <iant@google.com>
11451         * options.h (class General_options): Add --noinhibit-exec option.
11452         * main.cc (main): Check --noinhibit-exec.
11454         * options.h (class General_options): Define --wrap as a special
11455         option.  Add wrap_symbols_ field.
11456         (General_options::any_wrap_symbols): New function.
11457         (General_options::is_wrap_symbol): New function.
11458         * options.cc (General_options::parse_wrap): New function.
11459         (General_options::General_options): Initialize wrap_symbols_.
11460         * symtab.cc (Symbol_table::wrap_symbol): New function.
11461         (Symbol_table::add_from_object): Handle --wrap.
11462         * symtab.h (class Symbol_table): Declare wrap_symbol.
11463         * target.h (Target::wrap_char): New function.
11464         (Target::Target_info): Add wrap_char field.
11465         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11466         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11467         * testsuite/testfile.cc (Target_test::test_target_info):
11468         Likewise.
11470         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11471         there is one.
11473         * layout.h (class Layout): Add added_eh_frame_data_ field.
11474         * layout.cc (Layout::Layout): Initialize new field.
11475         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11476         output section until we find a section we merged successfully.
11477         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11478         that the size be non-zero.
11480         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11481         qualifier.
11483 2008-04-08  Craig Silverstein  <csilvers@google.com>
11485         * configure.ac: Export new conditional variable HAVE_ZLIB.
11486         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11487         on HAVE_ZLIB.
11488         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11489         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11491 2008-04-07  Ian Lance Taylor  <iant@google.com>
11493         * version.cc (version_string): Set to "1.5".
11495         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11496         Add issued_non_pic_error_ field.  Declare check_non_pic.
11497         (Target_x86_64::Scan::check_non_pic): New function.
11498         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11499         (Target_x86_64::Scan::global): Likewise.
11501         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11502         addend parameter.  Change caller.  Handle merge sections.
11503         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11504         Address to Addend.  Don't add in the result of
11505         local_section_offset, pass down the addend and use the returned
11506         value.
11507         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11508         Update declarations of local_section_offset and symbol_value.
11509         * testsuite/two_file_test_1.cc (t18): New function.
11510         * testsuite/two_file_test_2.cc (f18): New function.
11511         * testsuite/two_file_test_main.cc (main): Call t18.
11512         * testsuite/two_file_test.h (t18, f18): Declare.
11514         * configure.ac: Don't test for objdump, c++filt, or readelf.
11515         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11516         conditionals.
11517         (TEST_READELF): New variable.
11518         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11519         (check_PROGRAMS): Add two_file_strip_test.
11520         (two_file_strip_test): New target.
11521         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11522         (two_file_same_shared_strip_test_SOURCES): New variable.
11523         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11524         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11525         (two_file_same_shared_strip_test_LDADD): New variable.
11526         (two_file_shared_strip.so): New target.
11527         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11528         (ver_test_5.syms, ver_test_7.syms): Likewise.
11529         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11530         (strip_test_3.stdout): Use TEST_OBJDUMP.
11531         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11533 2008-04-04  Cary Coutant  <ccoutant@google.com>
11535         * symtab.h (Symbol::is_weak_undefined): New function.
11536         (Symbol::is_strong_undefined): New function.
11537         (Symbol::is_absolute): New function.
11538         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11539         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11540         absolute symbols.
11541         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11542         (weak_undef_test): New target.
11543         * testsuite/Makefile.in: Rebuild.
11544         * testsuite/weak_undef_file1.cc: New file.
11545         * testsuite/weak_undef_file2.cc: New file.
11546         * testsuite/weak_undef_test.cc: New file.
11548 2008-04-03  Craig Silverstein  <csilvers@google.com>
11550         * compressed_output.h (class Output_compressed_section): Use
11551         unsigned buffer.
11552         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11553         add zlib header.
11554         (zlib_compressed_suffix): Removed.
11555         (Output_compressed_section::set_final_data_size): Use unsigned
11556         buffers.
11557         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11558         Fix linker invocation.
11559         (flagstest_o_specialfile_and_compress_debug_sections):
11560         Likewise.
11561         * testsuite/Makefile.in: Regenerated.
11563 2008-04-02  David S. Miller  <davem@davemloft.net>
11565         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11566         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11568 2008-04-02  Craig Silverstein  <csilvers@google.com>
11570         * TODO: New file.
11572 2008-04-02  Ian Lance Taylor  <iant@google.com>
11574         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11575         parameters.  Update for new key type to views_.  Change all
11576         callers.
11577         (File_read::read): Adjust for byteshift in returned view.
11578         (File_read::add_view): New function, broken out of
11579         find_and_make_view.
11580         (File_read::make_view): New function, broken out of
11581         find_and_make_view.
11582         (File_read::find_or_make_view): Add offset and aligned
11583         parameters.  Rewrite accordingly.  Change all callers.
11584         (File_read::get_view): Add offset and aligned parameters.  Adjust
11585         for byteshift in return value.
11586         (File_read::get_lasting_view): Likewise.
11587         * fileread.h (class File_read): Update declarations.
11588         (class File_read::View): Add byteshift_ field.  Add byteshift to
11589         constructor.  Add byteshift method.
11590         * archive.h (Archive::clear_uncached_views): New function.
11591         (Archive::get_view): Add aligned parameter.  Change all callers.
11592         * object.h (Object::get_view): Add aligned parameter.  Change all
11593         callers.
11594         (Object::get_lasting_view): Likewise.
11596         * fileread.cc (File_read::release): Don't call clear_views if
11597         there are multiple objects.
11598         * fileread.h (File_read::clear_uncached_views): New function.
11599         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11600         on the archive.
11602 2008-03-31  Cary Coutant  <ccoutant@google.com>
11604         Add thin archive support.
11605         * archive.cc (Archive::armagt): New const.
11606         (Archive::setup): Remove task parameter and calls to unlock.
11607         (Archive::unlock_nested_archives): New function.
11608         (Archive::read_header): Add nested_off parameter. Change
11609         all callers.
11610         (Archive::interpret_header): Likewise.
11611         (Archive::include_all_members): Change to handle thin
11612         archives.
11613         (Archive::include_member): Likewise.
11614         * archive.h (Archive::Archive): Add new parameters and
11615         initializers.
11616         (Archive::armagt): New const.
11617         (Archive::setup): Remove task parameter.
11618         (Archive::unlock_nested_archives): New function.
11619         (Archive::read_header): Add nested_off parameter.
11620         (Archive::interpret_header): Likewise.
11621         (Archive::Nested_archive_table): New typedef.
11622         (Archive::is_thin_archive_): New field.
11623         (Archive::nested_archives_): New field.
11624         (Archive::options_): New field.
11625         (Archive::dirpath_): New field.
11626         (Archive::task_): New field.
11627         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11628         for thin archives.  Pass additional parameters to
11629         Archive::Archive.  Unlock the archive file after calling
11630         Archive::setup.
11632 2008-03-29  Ian Lance Taylor  <iant@google.com>
11634         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11635         version symbol to be local.
11636         * testsuite/ver_test_4.sh: New file.
11637         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11638         (check_DATA): Add ver_test_4.syms.
11639         (ver_test_4.syms): New target.
11640         * testsuite/Makefile.in: Rebuild.
11642         * output.cc
11643         (Output_section::Input_section_sort_entry::has_priority): New
11644         function.
11645         (Output_section::Input_section_sort_entry::match_file_name): New
11646         function.
11647         (Output_section::Input_section_sort_entry::match_section_name):
11648         Remove.
11649         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11650         Remove.
11651         (Output_section::Input_section_sort_entry::match_section_file):
11652         Remove.
11653         (Output_section::Input_section_sort_compare::operator()): Rewrite
11654         using new Input_section_sort_entry functions.  Sort crtbegin and
11655         crtend first.  Sort sections with no priority before sections with
11656         a priority.
11657         * testsuite/initpri1.c (d3): Check j != 4.
11658         (cd5): New constructor/destructor function.
11659         (main): Check j != 2.
11661         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11662         new symbol when resolving, don't call set_is_default.
11663         * testsuite/ver_test_7.cc: New file.
11664         * testsuite/ver_test_7.sh: New file.
11665         * testsuite/Makefile.am (ver_test_7.so): New target.
11666         (ver_test_7.o): New target.
11667         (check_SCRIPTS): Add ver_test_7.sh.
11668         (check_DATA): Add ver_test_7.syms.
11669         (ver_test_7.syms): New target.
11671 2008-03-28  Ian Lance Taylor  <iant@google.com>
11673         * layout.cc (Layout::layout): If we see an input section with a
11674         name that needs sorting, set the must_sort flag for the output
11675         section.
11676         (Layout::make_output_section): If the name of the output section
11677         indicates that it might require sorting, set the may_sort flag.
11678         * output.h (Output_section::may_sort_attached_input_sections): New
11679         function.
11680         (Output_section::set_may_sort_attached_input_sections): New
11681         function.
11682         (Output_section::must_sort_attached_input_sections): New
11683         function.
11684         (Output_section::set_must_sort_attached_input_sections): New
11685         function.
11686         (class Output_section): Declare Input_section_sort_entry.  Define
11687         Input_section_sort_compare.  Declare
11688         sort_attached_input_sections.  Add new fields:
11689         may_sort_attached_input_sections_,
11690         must_sort_attached_input_sections_,
11691         attached_input_sections_are_sorted_.
11692         * output.cc (Output_section::Output_section): Initialize new
11693         fields.
11694         (Output_section::add_input_section): Add an entry to
11695         input_sections_ if may_sort or must_sort are true.
11696         (Output_section::set_final_data_size): Call
11697         sort_attached_input_sections if necessary.
11698         (Output_section::Input_section_sort_entry): Define new class.
11699         (Output_section::Input_section_sort_compare::operator()): New
11700         function.
11701         (Output_section::sort_attached_input_sections): New function.
11702         * configure.ac: Check whether the compiler supports constructor
11703         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11704         * testsuite/initpri1.c: New file.
11705         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11706         CONSTRUCTOR_PRIORITY.
11707         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11708         (initpri1_LDFLAGS): New variable.
11709         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11711 2008-03-27  Ian Lance Taylor  <iant@google.com>
11713         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11714         * testsuite/common_test_1.c: New file.
11715         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11716         (common_test_1_SOURCES): New variable.
11717         (common_test_1_DEPENDENCIES): New variable.
11718         (common_test_1_LDFLAGS): New variable.
11720         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11721         and commons_ correctly when NAME/VERSION does not override
11722         NAME/NULL.
11723         * testsuite/ver_test_6.c: New file.
11724         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11725         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11726         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11728 2008-03-26  Ian Lance Taylor  <iant@google.com>
11730         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11731         of an undefined symbol from a version script.
11732         * testsuite/Makefile.am (ver_test_5.so): New target.
11733         (ver_test_5.o): New target.
11734         (check_SCRIPTS): Add ver_test_5.sh.
11735         (check_DATA): Add ver_test_5.syms.
11736         (ver_test_5.syms): New target.
11737         * testsuite/ver_test_5.cc: New file.
11738         * testsuite/ver_test_5.script: New file.
11739         * testsuite/ver_test_5.sh: New file.
11740         * Makefile.in, testsuite/Makefile.in: Rebuild.
11742         PR gold/5986
11743         Fix problems building gold with gcc 4.3.0.
11744         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11745         (gold_error_at_location, gold_warning_at_location): Use it.
11746         * configure.ac: Check whether we can compile and use a template
11747         function with a printf attribute.
11748         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11749         when jumping over bytes.
11750         * object.cc: Instantiate Object::read_section_data.
11751         * debug.h: Include <cstring>
11752         * dwarf_reader.cc: Include <algorithm>
11753         * main.cc: Include <cstring>.
11754         * options.cc: Include <cstring>.
11755         * output.cc: Include <cstring>.
11756         * script.cc: Include <cstring>.
11757         * script.h: Include <string>.
11758         * symtab.cc: Include <cstring> and <algorithm>.
11759         * target-select.cc: Include <cstring>.
11760         * version.cc: Include <string>.
11761         * testsuite/testmain.cc: Include <cstdlib>.
11762         * configure, config.in: Rebuild.
11764 2008-03-25  Ian Lance Taylor  <iant@google.com>
11766         * options.cc: Include "../bfd/bfdver.h".
11767         (options::help): Print bug reporting address.
11769         * version.cc (print_version): Adjust output for current value of
11770         BFD_VERSION_STRING.
11772         * NEWS: New file.
11774         * options.cc (options::help): Print list of supported targets.
11775         * target-select.h: Include <vector>.
11776         (class Target_selector): Make machine_, size_, and is_big_endian_
11777         fields const.  Add bfd_name_ and instantiated_target_ fields.
11778         (Target_selector::Target_selector): Add bfd_name parameter.
11779         (Target_selector::recognize): Make non-virtual, call
11780         do_recognize.
11781         (Target_selector::recognize_by_name): Make non-virtual, call
11782         do_recognize_by_name.
11783         (Target_selector::supported_names): New function.
11784         (Target_selector::bfd_name): New function.
11785         (Target_selector::do_instantiate_target): New pure virtual
11786         function.
11787         (Target_selector::do_recognize): New virtual function.
11788         (Target_selector::do_recognize_by_name): New virtual function.
11789         (Target_selector::instantiate_target): New private function.
11790         (supported_target_names): Declare.
11791         * target-select.cc (Target_selector::Target_selector): Update for
11792         new parameter and fields.
11793         (select_target_by_name): Check that the name matches before
11794         calling recognize_by_name.
11795         (supported_target_names): New function.
11796         * i386.cc (class Target_selector_i386): Update Target_selector
11797         constructor call.  Remove recognize and recognize_by_name.  Add
11798         do_instantiate_target.
11799         * x86_64.cc (class Target_selector_x86_64): Likewise.
11800         * testsuite/testfile.cc (class Target_selector_test): Update for
11801         changes to Target_selector.
11803         * README: Rewrite, with some notes on unsupported features.
11805 2008-03-24  Cary Coutant  <ccoutant@google.com>
11807         * i386.cc (Target_i386::Got_type): New enum declaration.
11808         (Target_i386::Scan::local): Updated callers of Output_data_got
11809         member functions.
11810         (Target_i386::Scan::global): Likewise.
11811         (Target_i386::Relocate::relocate): Likewise.
11812         (Target_i386::Relocate::relocate_tls): Likewise.
11813         * object.h (Got_offset_list): New class.
11814         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11815         (Sized_relobj::local_got_offset): Likewise.
11816         (Sized_relobj::set_local_got_offset): Likewise.
11817         (Sized_relobj::local_has_tls_got_offset): Removed.
11818         (Sized_relobj::local_tls_got_offset): Removed.
11819         (Sized_relobj::set_local_tls_got_offset): Removed.
11820         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11821         * output.cc (Output_data_got::add_global): Added got_type parameter.
11822         (Output_data_got::add_global_with_rel): Likewise.
11823         (Output_data_got::add_global_with_rela): Likewise.
11824         (Output_data_got::add_global_pair_with_rel): New function.
11825         (Output_data_got::add_global_pair_with_rela): New function.
11826         (Output_data_got::add_local): Added got_type parameter.
11827         (Output_data_got::add_local_with_rel): Likewise.
11828         (Output_data_got::add_local_with_rela): Likewise.
11829         (Output_data_got::add_local_pair_with_rel): New function.
11830         (Output_data_got::add_local_pair_with_rela): New function.
11831         (Output_data_got::add_global_tls): Removed.
11832         (Output_data_got::add_global_tls_with_rel): Removed.
11833         (Output_data_got::add_global_tls_with_rela): Removed.
11834         (Output_data_got::add_local_tls): Removed.
11835         (Output_data_got::add_local_tls_with_rel): Removed.
11836         (Output_data_got::add_local_tls_with_rela): Removed.
11837         * output.h (Output_data_got::add_global): Added got_type parameter.
11838         (Output_data_got::add_global_with_rel): Likewise.
11839         (Output_data_got::add_global_with_rela): Likewise.
11840         (Output_data_got::add_global_pair_with_rel): New function.
11841         (Output_data_got::add_global_pair_with_rela): New function.
11842         (Output_data_got::add_local): Added got_type parameter.
11843         (Output_data_got::add_local_with_rel): Likewise.
11844         (Output_data_got::add_local_with_rela): Likewise.
11845         (Output_data_got::add_local_pair_with_rel): New function.
11846         (Output_data_got::add_local_pair_with_rela): New function.
11847         (Output_data_got::add_global_tls): Removed.
11848         (Output_data_got::add_global_tls_with_rel): Removed.
11849         (Output_data_got::add_global_tls_with_rela): Removed.
11850         (Output_data_got::add_local_tls): Removed.
11851         (Output_data_got::add_local_tls_with_rel): Removed.
11852         (Output_data_got::add_local_tls_with_rela): Removed.
11853         * resolve.cc (Symbol::override_base_with_special): Removed
11854         reference to has_got_offset_ field.
11855         * symtab.cc (Symbol::init_fields): Replaced initialization
11856         of got_offset_ with got_offsets_.  Removed initialization
11857         of has_got_offset_
11858         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11859         (Symbol::got_offset): Likewise.
11860         (Symbol::set_got_offset): Likewise.
11861         (Symbol::has_tls_got_offset): Removed.
11862         (Symbol::tls_got_offset): Removed.
11863         (Symbol::set_tls_got_offset): Removed.
11864         (Symbol::got_offset_): Removed.
11865         (Symbol::tls_mod_got_offset_): Removed.
11866         (Symbol::tls_pair_got_offset_): Removed.
11867         (Symbol::got_offsets_): New field.
11868         (Symbol::has_got_offset): Removed.
11869         (Symbol::has_tls_mod_got_offset): Removed.
11870         (Symbol::has_tls_pair_got_offset): Removed.
11871         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11872         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11873         member functions.
11874         (Target_x86_64::Scan::global): Likewise.
11875         (Target_x86_64::Relocate::relocate): Likewise.
11876         (Target_x86_64::Relocate::relocate_tls): Likewise.
11878 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11880         * yyscript.y: Fix spelling error in comment.
11882 2008-03-24  Ian Lance Taylor  <iant@google.com>
11884         * options.h (class General_options): Define build_id option.
11885         * layout.h (class Layout): Declare write_build_id, create_note,
11886         create_build_id.  Add build_id_note_ member.
11887         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11888         "libiberty.h", "md5.h", "sha1.h".
11889         (Layout::Layout): Initialize eh_frame_data_,
11890         eh_frame_hdr_section_, and build_id_note_.
11891         (Layout::finalize): Call create_build_id.
11892         (Layout::create_note): New function, broken out of
11893         Layout::create_gold_note.
11894         (Layout::create_gold_note): Call create_note.
11895         (Layout::create_build_id): New function.
11896         (Layout::write_build_id): New function.
11897         (Close_task_runner::run): Call write_build_id.
11899         * x86_64.cc: Correct license to GPLv3.
11901 2008-03-23  Ian Lance Taylor  <iant@google.com>
11903         * options.cc: Include "demangle.h".
11904         (parse_optional_string): New function.
11905         (parse_long_option): Handle takes_optional_argument.
11906         (parse_short_option): Update dash_z initializer.  Handle
11907         takes_optional_argument.
11908         (General_options::General_options): Initialize do_demangle_.
11909         (General_options::finalize): Set do_demangle_.  Handle demangling
11910         style.
11911         * options.h (parse_optional_string): Declare.
11912         (struct One_option): Add optional_arg field.  Update constructor.
11913         Update call constructor calls.  Add takes_optional_argument
11914         function.
11915         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11916         (DEFINE_optional_string): Define.
11917         (General_options::demangle): Change from DEFINE_bool to
11918         DEFINE_optional_string.
11919         (General_options::no_demangle): New function.
11920         (General_options::do_demangle): New function.
11921         (General_options::set_do_demangle): New function.
11922         (General_options::execstack_status_): Move definition to end of
11923         class definition.
11924         (General_options::static_): Likewise.
11925         (General_options::do_demangle_): New field.
11926         * object.cc (big_endian>::get_symbol_location_info): Call
11927         Options::do_demangle, not Options::demangle.
11928         * symtab.cc (demangle): Likewise.
11930 2008-03-22  Ian Lance Taylor  <iant@google.com>
11932         * gold.h: Include <cstddef> and <sys/types.h>
11933         * options.h: Include <cstring>.
11935 2008-03-21  Ian Lance Taylor  <iant@google.com>
11937         * Added source code to GNU binutils.