Updated Spanish translations.
[binutils.git] / gold / ChangeLog
blob740d35a2dace4e4100efeb863df42590ca00e8b7
1 2011-08-26  Nick Clifton  <nickc@redhat.com>
3         * po/es.po: Updated Spanish translation.
5 2011-08-01  Cary Coutant  <ccoutant@google.com>
7         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
8         * gold/testsuite/Makefile.in: Regenerate.
9         * gold/testsuite/justsyms_exec.c: New source file.
10         * gold/testsuite/justsyms_lib.c: New source file.
12 2011-08-01  Cary Coutant  <ccoutant@google.com>
14         * layout.cc (Layout::set_segment_offsets): Don't realign text
15         segment if -Ttext was specified.
16         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
17         file type.
18         * object.h (Sized_relobj_file::e_type): New function.
19         (Sized_relobj_file::e_type_): New data member.
20         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
21         base address for ET_EXEC files.
22         * target.cc (Target::do_make_elf_object_implementation): Allow
23         ET_EXEC files with --just-symbols option.
25 2011-07-28  Cary Coutant  <ccoutant@google.com>
27         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
28         Add thread_number parameter.
29         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
30         * workqueue-threads.cc
31         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
32         current thread if its thread number is greater than desired thread
33         count.
34         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
35         Add thread_number parameter.
36         (Workqueue::should_cancel_thread): Likewise.
37         (Workqueue::find_runnable_or_wait): Pass thread_number to
38         should_cancel_thread.
39         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
40         parameter.
42 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
44         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
45         only after checking if it cannot be forced local.
46         * symtab.h (is_externally_visible): Check if the symbol is not forced
47         local.
49 2011-07-15  Ian Lance Taylor  <iant@google.com>
51         * options.h (class General_options): Add --print-output-format.
52         Move -EL next to -EB, for  better --help output.
53         * target-select.cc: Include <cstdio>, "options.h", and
54         "parameters.h".
55         (Target_selector::do_target_bfd_name): New function.
56         (print_output_format): New function.
57         * target-select.h (class Target_selector): Update declarations.
58         (Target_selector::target_bfd_name): New function.
59         (print_output_format): Declare.
60         * main.cc: Include "target-select.h".
61         (main): Handle --print-output-format.
62         * gold.cc: Include "target-select.h".
63         (queue_initial_tasks): Handle --print-output-format when there are
64         no input files.
65         * parameters.cc (parameters_force_valid_target): Give a better
66         error message if -EB/-EL does not match target.
67         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
68         function.
70 2011-07-15  Ian Lance Taylor  <iant@google.com>
72         * i386.cc (class Output_data_plt_i386): Add layout_ field.
73         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
74         (Output_data_plt_i386::do_write): Write address of .dynamic
75         section to first entry in .got.plt section.
76         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
77         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
78         Initialize layout_.
79         (Output_data_plt_x86_64::do_write): Write address of .dynamic
80         section to first entry in .got.plt section.
81         * layout.h (Layout::dynamic_section): New function.
83 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
85         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
86         to claim_file call.
87         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
88         input_section_position_, and input_section_glob_.
89         (read_layout_from_file): Call function section_ordering_specified.
90         * layout.h (is_section_ordering_specified): New function.
91         (section_ordering_specified): New function.
92         (section_ordering_specified_): New boolean member.
93         * main.cc(main): Call load_plugins after layout object is defined.
94         * output.cc (Output_section::add_input_section): Use
95         function section_ordering_specified to check if section ordering is
96         needed.
97         * output.cc (Output_section::add_relaxed_input_section): Use
98         function section_ordering_specified to check if section ordering is
99         needed.
100         (Output_section::update_section_layout): New function.
101         (Output_section::sort_attached_input_sections): Check if input section
102         must be reordered.
103         * output.h (Output_section::update_section_layout): New function.
104         * plugin.cc (get_section_count): New function.
105         (get_section_type): New function.
106         (get_section_name): New function.
107         (get_section_contents): New function.
108         (update_section_order): New function.
109         (allow_section_ordering): New function. 
110         (Plugin::load): Add the new interfaces to the transfer vector.
111         (Plugin_manager::load_plugins): New parameter.
112         (Plugin_manager::all_symbols_read): New parameter.
113         (Plugin_manager::claim_file): New parameter. Save the elf object for
114         unclaimed objects.
115         (Plugin_manager::get_elf_object): New function.
116         (Plugin_manager::get_view): Change to directly use the bool to check
117         if get_view is called from claim_file_hook.
118         * plugin.h (input_objects): New function
119         (Plugin__manager::load_plugins): New parameter.
120         (Plugin_manager::claim_file): New parameter.
121         (Plugin_manager::get_elf_object): New function.
122         (Plugin_manager::in_claim_file_handler): New function.
123         (Plugin_manager::in_claim_file_handler_): New member.
124         (layout): New function.
125         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
126         handler with an extra parameter. Make the elf object before calling
127         claim_file handler.
128         * testsuite/plugin_test.c (get_section_count): New function pointer.
129         (get_section_type): New function pointer.
130         (get_section_name): New function pointer.
131         (get_section_contents): New function pointer.
132         (update_section_order): New function pointer.
133         (allow_section_ordering): New function pointer.
134         (onload): Check if the new interfaces exist.
136 2011-07-13  Ian Lance Taylor  <iant@google.com>
138         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
139         relro section.
140         * x86_64.cc (Target_x86_64::got_section): Likewise.
141         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
142         (relro_now_test_SOURCES): New variable.
143         (relro_now_test_DEPENDENCIES): New variable.
144         (relro_now_test_LDFLAGS): New variable.
145         (relro_now_test_LDADD): New variable.
146         (relro_now_test.so): New target.
147         * testsuite/Makefile.in: Rebuild.
149 2011-07-12  Ian Lance Taylor  <iant@google.com>
151         PR gold/12980
152         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
153         GLOB_DAT relocation rather than a RELATIVE relocation for a
154         protected symbol when creating a shared library.
155         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
156         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
157         * testsuite/protected_main_1.cc (main): Test that protected
158         function has same address.
160 2011-07-11  Ian Lance Taylor  <iant@google.com>
162         PR gold/12979
163         * options.h (class General_options): Add -Bgroup.
164         * options.cc (General_options::finalize): If -Bgroup is set,
165         default to --unresolved-symbols=report-all.
166         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
167         * target-reloc.h (issue_undefined_symbol_error): Handle
168         --unresolved-symbols=report-all.
170 2011-07-08  Ian Lance Taylor  <iant@google.com>
172         PR gold/11985
173         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
174         if linker script discards key sections.
175         (Layout::create_dynamic_symtab): Likewise.
176         (Layout::assign_local_dynsym_offsets): Likewise.
177         (Layout::sized_create_version_sections): Likewise.
178         (Layout::create_interp): Likewise.
179         (Layout::finish_dynamic_section): Likewise.
180         (Layout::set_dynamic_symbol_size): Likewise.
182 2011-07-08  Ian Lance Taylor  <iant@google.com>
184         PR gold/12386
185         * options.h (class General_options): Add --unresolved-symbols.
186         * target-reloc.h (issue_undefined_symbol_error): Check
187         --unresolved-symbols.  Add comments.
189 2011-07-08  Ian Lance Taylor  <iant@google.com>
191         * testsuite/odr_violation2.cc (Ordering::operator()): Make
192         expression more complex.
194 2011-07-08  Ian Lance Taylor  <iant@google.com>
196         PR gold/11317
197         * target-reloc.h (issue_undefined_symbol_error): New inline
198         function, broken out of relocate_section.
199         (relocate_section): Call issue_undefined_symbol_error.
200         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
201         there is no TLS segment if we are about to issue an undefined
202         symbol error.
203         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
205 2011-07-08  Ian Lance Taylor  <iant@google.com>
207         PR gold/12279
208         * resolve.cc (Symbol_table::should_override): Add fromtype
209         parameter.  Change all callers.  Give error when linking together
210         TLS and non-TLS symbol.
211         (Symbol_table::should_override_with_special): Add fromtype
212         parameter.  Change all callers.
213         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
214         there is no TLS segment if we have reported some errors.
215         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
217 2011-07-08  Ian Lance Taylor  <iant@google.com>
219         PR gold/12372
220         * target.h (Target::plt_address_for_global): New function.
221         (Target::plt_address_for_local): New function.
222         (Target::plt_section_for_global): Remove.
223         (Target::plt_section_for_local): Remove.
224         (Target::do_plt_address_for_global): New virtual function.
225         (Target::do_plt_address_for_local): New virtual function.
226         (Target::do_plt_section_for_global): Remove.
227         (Target::do_plt_section_for_local): Remove.
228         (Target::register_global_plt_entry): Add Symbol_table and Layout
229         parameters.
230         * output.cc (Output_data_got::Got_entry::write): Use
231         plt_address_for_global and plt_address_for_local.
232         * layout.cc (Layout::add_target_dynamic_tags): Use size and
233         address of output section.
234         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
235         got_irelative_, and irelative_count_ fields.  Update
236         declarations.
237         (Output_data_plt_i386::has_irelative_section): New function.
238         (Output_data_plt_i386::entry_count): Add irelative_count_.
239         (Output_data_plt_i386::set_final_data_size): Likewise.
240         (class Target_i386): Add got_irelative_ and rel_irelative_
241         fields.  Update declarations.
242         (Target_i386::Target_i386): Initialize new fields.
243         (Target_i386::do_plt_address_for_global): New function replacing
244         do_plt_section_for_global.
245         (Target_i386::do_plt_address_for_local): New function replacing
246         do_plt_section_for_local.
247         (Target_i386::got_section): Create got_irelative_.
248         (Target_i386::rel_irelative_section): New function.
249         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
250         fields.  Don't define __rel_iplt_{start,end}.
251         (Output_data_plt_i386::add_entry): Add symtab and layout
252         parameters.  Change all callers.  Use different PLT and GOT for
253         IFUNC symbols.
254         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
255         layout parameters.  Change all callers.  Use different PLT and
256         GOT.
257         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
258         (Output_data_plt_i386::rel_irelative): New function.
259         (Output_data_plt_i386::address_for_global): New function.
260         (Output_data_plt_i386::address_for_local): New function.
261         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
262         IRELATIVE GOT when changing IFUNC GOT entries.
263         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
264         reloc.
265         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
266         if we didn't create an IRELATIVE GOT.
267         (Target_i386::Relocate::relocate): Use plt_address_for_global and
268         plt_address_for_local.
269         (Target_i386::do_dynsym_value): Use plt_address_for_global.
270         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
271         got_irelative_, and irelative_count_ fields.  Update
272         declarations.
273         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
274         Initialize new fields.  Remove symtab parameter.  Change all
275         callers.
276         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
277         irelative_count_.
278         (Output_data_plt_x86_64::has_irelative_section): New function.
279         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
280         (class Target_x86_64): Add got_irelative_ and rel_irelative_
281         fields.  Update declarations.
282         (Target_x86_64::Target_x86_64): Initialize new fields.
283         (Target_x86_64::do_plt_address_for_global): New function replacing
284         do_plt_section_for_global.
285         (Target_x86_64::do_plt_address_for_local): New function replacing
286         do_plt_section_for_local.
287         (Target_x86_64::got_section): Create got_irelative_.
288         (Target_x86_64::rela_irelative_section): New function.
289         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
290         all callers.  Don't create __rel_iplt_{start,end}.
291         (Output_data_plt_x86_64::add_entry): Add symtab and layout
292         parameters.  Change all callers.  Use different PLT and GOT for
293         IFUNC symbols.
294         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
295         layout parameters.  Change all callers.  Use different PLT and
296         GOT.
297         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
298         parameters.  Change all callers.  Use different PLT and GOT for
299         IFUNC symbols.
300         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
301         (Output_data_plt_x86_64::rela_irelative): New function.
302         (Output_data_plt_x86_64::address_for_global): New function.
303         (Output_data_plt_x86_64::address_for_local): New function.
304         (Output_data_plt_x86_64::set_final_data_size): Likewise.
305         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
306         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
307         (Target_x86_64::register_global_plt_entry): Add symtab and layout
308         parameters.
309         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
310         reloc.
311         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
312         symbols if we didn't create an IRELATIVE GOT.
313         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
314         plt_address_for_local.
315         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
316         * testsuite/ifuncvar1.c: New test file.
317         * testsuite/ifuncvar2.c: New test file.
318         * testsuite/ifuncvar3.c: New test file.
319         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
320         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
321         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
322         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
323         * testsuite/Makefile.in: Rebuild.
325 2011-07-07  Cary Coutant  <ccoutant@google.com>
327         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
328         (two_file_test_1_ndebug.o): Likewise.
329         (two_file_test_1b_ndebug.o): Likewise.
330         (two_file_test_2_ndebug.o): Likewise.
331         (two_file_test_main_ndebug.o): Likewise.
332         (incremental_test_2): Link with no-debug versions.
334 2011-07-06  Cary Coutant  <ccoutant@google.com>
336         * gold/incremental.cc
337         (Output_section_incremental_inputs::write_info_blocks): Check for
338         hidden and internal symbols.
340 2011-07-06  Cary Coutant  <ccoutant@google.com>
342         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
343         Check disposition for startup file.
344         (Incremental_inputs::report_command_line): Ignore
345         --incremental-startup-unchanged option.
346         * options.cc (General_options::parse_incremental_startup_unchanged):
347         New function.
348         (General_options::General_options): Initialize new data member.
349         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
350         (General_options): Add --incremental-startup-unchanged option.
351         (General_options::incremental_startup_disposition): New function.
352         (General_options::incremental_startup_disposition_): New data member.
354 2011-07-06  Cary Coutant  <ccoutant@google.com>
356         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
357         input file index to Script_info ctor.
358         (Sized_incremental_binary::do_file_has_changed): Find the
359         command-line argument for files named in scripts.
360         * incremental.h (Script_info::Script_info): New ctor
361         with input file index.
362         (Script_info::input_file_index): New function.
363         (Script_info::input_file_index_): New data member.
364         (Incremental_binary::get_library): Add const.
365         (Incremental_binary::get_script_info): Add const.
366         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
367         * testsuite/Makefile.am (incremental_test_5): New test case.
368         (incremental_test_6): New test case.
369         * testsuite/Makefile.in: Regenerate.
371 2011-07-06  Cary Coutant  <ccoutant@google.com>
373         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
374         debug output when command lines differ.
376 2011-07-06  Cary Coutant  <ccoutant@google.com>
378         * incremental.cc (Incremental_inputs::report_command_line): Ignore
379         --incremental-patch option.
380         * layout.cc (Free_list::allocate): Extend allocation beyond original
381         end if enabled.
382         (Layout::make_output_section): Mark sections that should get
383         patch space.
384         * options.cc (parse_percent): New function.
385         * options.h (parse_percent): New function.
386         (DEFINE_percent): New macro.
387         (General_options): Add --incremental-patch option.
388         * output.cc (Output_section::Output_section): Initialize new data
389         members.
390         (Output_section::add_input_section): Print section name when out
391         of patch space.
392         (Output_section::add_output_section_data): Likewise.
393         (Output_section::set_final_data_size): Add patch space when
394         doing --incremental-full.
395         (Output_section::do_reset_address_and_file_offset): Remove patch
396         space.
397         (Output_segment::set_section_list_addresses): Print debug output
398         only if --incremental-update.
399         * output.h (Output_section::set_is_patch_space_allowed): New function.
400         (Output_section::is_patch_space_allowed_): New data member.
401         (Output_section::patch_space_): New data member.
402         * parameters.cc (Parameters::incremental_full): New function.
403         * parameters.h (Parameters::incremental_full): New function
404         * testsuite/Makefile.am (incremental_test_2): Add test for
405         --incremental-patch option.
406         * testsuite/Makefile.in: Regenerate.
407         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
408         (t18): Remove function body.
410 2011-07-05  Doug Kwan  <dougkwan@google.com>
412         PR gold/12771
413         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
414         Arm_Address type for relocation result.
415         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
416         overflow check.
417         (Arm_relocate_functions::abs32): Use unaligned access.
418         (Arm_relocate_functions::rel32): Ditto.
419         (Arm_relocate_functions::prel31): Ditto.
420         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
421         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
422         static data relocations.
423         * testsuite/Makefile.in: Regnerate.
424         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
426 2011-07-05  Ian Lance Taylor  <iant@google.com>
428         PR gold/12392
429         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
430         symbols if necessary.
431         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
433 2011-07-05  Ian Lance Taylor  <iant@google.com>
435         PR gold/12952
436         * resolve.cc (Symbol::override_base_with_special): Simply override
437         version with special symbol version, ignoring previous version.
439 2011-07-05  Ian Lance Taylor  <iant@google.com>
441         * object.cc (Sized_relobj_file::include_section_group): Add
442         information to comment about signature location.
444 2011-07-02  Ian Lance Taylor  <iant@google.com>
446         PR gold/12957
447         * options.h (class General_options): Add -f and -F.
448         * options.cc (General_options::finalize): Fatal error if -f/-F
449         are used without -shared.
450         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
452 2011-07-02  Ian Lance Taylor  <iant@google.com>
454         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
456 2011-07-01  Ian Lance Taylor  <iant@google.com>
458         PR gold/12525
459         PR gold/12952
460         * resolve.cc (Symbol::override_base_with_special): Don't override
461         the version if the overriding symbol has a different name.
462         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
463         all callers.  If we give an error about an undefined version,
464         define the base version if necessary.
465         * dynobj.h (class Versions): Update declaration.
466         * testsuite/weak_alias_test_5.cc: New file.
467         * testsuite/weak_alias_test.script: New file.
468         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
469         and versioned_alias have the right value, and call t2.
470         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
471         weak_alias_test_5.so.
472         (weak_alias_test_LDADD): Likewise.
473         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
474         * testsuite/Makefile.in: Rebuild.
476 2011-07-01  Ian Lance Taylor  <iant@google.com>
478         PR gold/12525
479         * options.h (class General_options): Support -z notext.
480         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
481         -Wl,-z,notext.
482         (two_file_shared_nonpic.so): Likewise.
483         (two_file_shared_mixed.so): Likewise.
484         (two_file_shared_mixed_1.so): Likewise.
485         (weak_undef_lib_nonpic.so): Likewise.
486         (alt/weak_undef_lib_nonpic.so): Likewise.
487         (tls_test_shared_nonpic.so): Likewise.
488         * testsuite/Makefile.in: Rebuild.
490 2011-07-01  Ian Lance Taylor  <iant@google.com>
492         PR gold/12525
493         * configure.ac: Test whether static linking works, setting
494         the automake conditional HAVE_STATIC.
495         * testsuite/Makefile.am: Disable tests using -static if
496         HAVE_STATIC is not true.
497         * configure, testsuite/Makefile.in: Rebuild.
499 2011-07-01  Ian Lance Taylor  <iant@google.com>
501         PR gold/12525
502         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
503         Assert if we see DW_EH_PE_indirect.
504         * target.h (Target::ehframe_datarel_base): New function.
505         (Target::do_ehframe_datarel_base): New target function.
506         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
507         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
508         function.
510 2011-07-01  Ian Lance Taylor  <iant@google.com>
512         PR gold/12571
513         * options.h (class General_options): Add
514         --ld-generated-unwind-info.
515         * ehframe.cc (Fde::write): Add address parameter.  Change all
516         callers.  If associated with PLT, fill in address and size.
517         (Cie::set_output_offset): Only add merge mapping if there is an
518         object.
519         (Cie::write): Add address parameter.  Change all callers.
520         (Eh_frame::add_ehframe_for_plt): New function.
521         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
522         input_offset_ fields into union u_, with new plt field.
523         (Fde::Fde): Adjust for new union field.
524         (Fde::Fde) [Output_data version]: New constructor.
525         (Fde::add_mapping): Only add merge mapping if there is an object.
526         (class Cie): Update declarations.
527         (class Eh_frame): Declare add_ehframe_for_plt.
528         * layout.cc (Layout::layout_eh_frame): Break out code into
529         make_eh_frame_section, and call it.
530         (Layout::make_eh_frame_section): New function.
531         (Layout::add_eh_frame_for_plt): New function.
532         * layout.h (class Layout): Update declarations.
533         * merge.cc (Merge_map::add_mapping): Add assertion.
534         * i386.cc: Include "dwarf.h".
535         (class Output_data_plt_i386): Make first_plt_entry,
536         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
537         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
538         and plt_eh_frame_fde.
539         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
540         boundary.  Call add_eh_frame_for_plt if appropriate.
541         * x86_64.cc: Include "dwarf.h".
542         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
543         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
544         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
545         and plt_eh_frame_fde.
546         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
547         appropriate.
549 2011-06-29  Ian Lance Taylor  <iant@google.com>
551         PR gold/12629
552         * object.cc (Sized_relobj_file::layout_section): Change shdr
553         parameter to be const.
554         (Sized_relobj_file::layout_eh_frame_section): New function, broken
555         out of do_layout.
556         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
557         appropriate.  Call layout_eh_frame_section.
558         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
559         sections.
560         * object.h (class Sized_relobj_file): Update declarations.
562 2011-06-29  Ian Lance Taylor  <iant@google.com>
564         PR gold/12652
565         * script.cc (Token::integer_value): Accept trailing M/m/K/k
566         modifier.
567         (Lex::gather_token): Accept trailing M/m/K/k for integers.
569 2011-06-29  Ian Lance Taylor  <iant@google.com>
571         PR gold/12675
572         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
573         SHT_X86_64_UNWIND.
574         * layout.cc (Layout::layout_eh_frame): Likewise.
576 2011-06-29  Ian Lance Taylor  <iant@google.com>
578         PR gold/12695
579         * layout.cc (Layout::symtab_section_shndx): New function.
580         * layout.h (class Layout): Declare symtab_section_shndx.
581         * output.cc (Output_section::write_header): Call it.
583 2011-06-29  Ian Lance Taylor  <iant@google.com>
585         PR gold/12818
586         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
587         symbols which are not used in a relocation.
589 2011-06-28  Ian Lance Taylor  <iant@google.com>
591         PR gold/12898
592         * layout.cc (Layout::segment_precedes): Don't crash if a linker
593         script create indistinguishable segments.
594         (Layout::set_segment_offsets): Use stable_sort when sorting
595         segments.  Pass this to Compare_segments constructor.
596         * layout.h (class Layout): Make segment_precedes non-static.
597         (class Compare_segments): Change from struct to class.  Add
598         layout_ field.  Add constructor.
599         * script-sections.cc
600         (Script_sections::attach_sections_using_phdrs_clause): Rename
601         local orphan to is_orphan.  Don't report failure to put empty
602         section in segment.  On attachment failure, report name of
603         section, and attach to first PT_LOAD segment.
605 2011-06-28  Ian Lance Taylor  <iant@google.com>
607         PR gold/12934
608         * target-select.cc (Target_selector::Target_selector): Add
609         emulation parameter.  Change all callers.
610         (select_target_by_bfd_name): Rename from select_target_by_name.
611         Change all callers.
612         (select_target_by_emulation): New function.
613         (supported_emulation_names): New function.
614         * target-select.h (class Target_selector): Add emulation_ field.
615         Update declarations.
616         (Target_selector::recognize_by_bfd_name): Rename from
617         recognize_by_name.  Change all callers.
618         (Target_selector::supported_bfd_names): Rename from
619         supported_names.  Change all callers.
620         (Target_selector::recognize_by_emulation): New function.
621         (Target_selector::supported_emulations): New function.
622         (Target_selector::emulation): New function.
623         (Target_selector::do_recognize_by_bfd_name): Rename from
624         do_recognize_by_name.  Change all callers.
625         (Target_selector::do_supported_bfd_names): Rename from
626         do_supported_names.  Change all callers.
627         (Target_selector::do_recognize_by_emulation): New function.
628         (Target_selector::do_supported_emulations): New function.
629         (select_target_by_bfd_name): Change name in declaration.
630         (select_target_by_emulation): Declare.
631         (supported_emulation_names): Declare.
632         * parameters.cc (parameters_force_valid_target): Try to find
633         target based on emulation from -m option.
634         * options.h (class General_options): Change doc string for -m.
635         * options.cc (help): Print emulations.
636         (General_options::parse_V): Likewise.
637         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
638         Add emulation parameter.  Change all callers.
640 2011-06-28  Ian Lance Taylor  <iant@google.com>
642         * target.h (class Target): Add osabi_ field.
643         (Target::osabi): New function.
644         (Target::set_osabi): New function.
645         (Target::Target): Initialize osabi_.
646         (Target::do_adjust_elf_header): Make pure virtual.
647         (Sized_target::do_adjust_elf_header): Declare.
648         * target.cc (Sized_target::do_adjust_elf_header): New function.
649         (class Sized_target): Instantiate all versions.
650         * freebsd.h (class Target_freebsd): Remove.
651         (Target_selector_freebsd::do_recognize): Call set_osabi on
652         Target.
653         (Target_selector_freebsd::do_recognize_by_name): Likewise.
654         (Target_selector_freebsd::set_osabi): Remove.
655         * i386.cc (class Target_i386): Inherit from Sized_target rather
656         than Target_freebsd.
657         * x86_64.cc (class Target_x86_64): Likewise.
659 2011-06-28  Ian Lance Taylor  <iant@google.com>
661         * target.h (Target::can_check_for_function_pointers): Rewrite.
662         Make non-virtual.
663         (Target::can_icf_inline_merge_sections): Likewise.
664         (Target::section_may_have_icf_unsafe_poineters): Likewise.
665         (Target::Target_info): Add can_icf_inline_merge_sections field.
666         (Target::do_can_check_for_function_pointers): New virtual
667         function.
668         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
669         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
670         from can_check_for_function_pointers, move in file.
671         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
672         section_may_have_icf_unsafe_poineters, move in file.
673         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
674         * i386.cc (Target_i386::do_can_check_for_function_pointers):
675         Rename from can_check_for_function_pointers, move in file.
676         (Target_i386::can_icf_inline_merge_sections): Remove.
677         (Target_i386::i386_info): Initialize
678         can_icf_inline_merge_sections.
679         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
680         Initialize can_icf_inline_merge_sections.
681         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
682         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
683         Rename from can_check_for_function_pointers, move in file.
684         (Target_x86_64::can_icf_inline_merge_sections): Remove.
685         (Target_x86_64::x86_64_info): Initialize
686         can_icf_inline_merge_sections.
687         * testsuite/testfile.cc (Target_test::test_target_info):
688         Likewise.
689         * icf.cc (get_section_contents): Correct formatting.
691 2011-06-27  Ian Lance Taylor  <iant@google.com>
693         * symtab.cc (Symbol::versioned_name): New function.
694         (Symbol_table::add_to_final_symtab): Use versioned_name when
695         appropriate.
696         (Symbol_table::sized_write_symbol): Likewise.
697         * symtab.h (class Symbol): Declare versioned_name.
698         * stringpool.h (class Stringpool_template): Add variant of add
699         which takes a std::basic_string.
700         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
701         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
702         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
703         (ver_test_12.o): New target.
704         * testsuite/Makefile.in: Rebuild.
706 2011-06-27  Doug Kwan  <dougkwan@google.com>
708         * arm.cc (Arm_relocate_functions::thm_jump8,
709         Arm_relocate_functions::thm_jump11): Use a wider signed
710         type to compute offset.
711         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
712         arm_thm_jump8.
713         * testsuite/Makefile.in: Regenerate.
714         * testsuite/arm_branch_in_range.sh: Check test results of
715         arm_thm_jump11 and arm_thm_jump8.
716         * testsuite/arm_thm_jump11.s: New test source file.
717         * testsuite/arm_thm_jump11.t: New linker script.
718         * testsuite/arm_thm_jump8.s: New test source file.
719         * testsuite/arm_thm_jump8.t: New linker script.
721 2011-06-24  Ian Lance Taylor  <iant@google.com>
723         * layout.cc: Include "object.h".
724         (ctors_sections_in_init_array): New static variable.
725         (Layout::is_ctors_in_init_array): New function.
726         (Layout::layout): Add entry to ctors_sections_in_init_array if
727         appropriate.
728         * layout.h (class Layout): Declare is_ctors_in_init_array.
729         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
730         is_ctors_reverse_view is set.
731         (Sized_relobj_file::write_sections): Add layout parameter.  Change
732         all callers.  Set is_ctors_reverse_view field of View_size.
733         (Sized_relobj_file::reverse_words): New function.
734         * object.h (Sized_relobj_file::View_size): Add
735         is_ctors_reverse_view field.
736         (class Sized_relobj_file): Update declarations.
737         * testsuite/initpri3.c: New test.
738         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
739         initpri3b.
740         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
741         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
742         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
743         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
744         * testsuite/Makefile.in: Rebuild.
746 2011-06-24  Cary Coutant  <ccoutant@google.com>
748         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
749         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
750         (debug_msg_cdebug.err): New targets.
751         * testsuite/Makefile.in: Regenerate.
752         * testsuite/debug_msg.sh: Check output of link with compressed debug.
753         Fix checks for link with shared library.
755 2011-06-24  Doug Kwan  <dougkwan@google.com>
757         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
758         skip empty text sections.
759         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
761 2011-06-22  Ian Lance Taylor  <iant@google.com>
763         PR gold/12910
764         * options.h (class General_options): Add --ctors-in-init-array.
765         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
766         friends as SHT_PROGBITS for merging sections.
767         (Layout::layout): Remove special handling of .init_array and
768         friends.  Don't sort if doing relocatable link.  Sort for .ctors
769         and .dtors if ctors_in_init_array.
770         (Layout::make_output_section): Force correct section types for
771         .init_array and friends.  Don't sort if doing relocatable link,
772         Don't sort .ctors and .dtors if ctors_in_init_array.
773         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
774         (Layout::output_section_name): Add relobj parameter.  Change all
775         callers.  Handle .ctors. and .dtors. in code rather than table.
776         Handle .ctors and .dtors if ctors_in_init_array.
777         (Layout::match_file_name): New function, moved from output.cc.
778         * layout.h (class Layout): Update declarations.
779         * output.cc: Include "layout.h".
780         (Input_section_sort_entry::get_priority): New function.
781         (Input_section_sort_entry::match_file_name): Just call
782         Layout::match_file_name.
783         (Output_section::Input_section_sort_init_fini_compare::operator()):
784         Handle .ctors and .dtors.  Sort by explicit priority rather than
785         by name.
786         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
787         * testsuite/initpri2.c: New test.
788         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
789         (check_PROGRAMS): Add initpri2.
790         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
791         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
792         * configure, testsuite/Makefile.in: Rebuild.
794 2011-06-19  Ian Lance Taylor  <iant@google.com>
796         PR gold/12880
797         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
798         .interp section to a PT_INTERP segment even if we have seen a
799         --dynamic-linker option.  Don't do it if we have seen a PHDRS
800         clause in a linker script.
801         (Layout::finalize): Don't create a .interp section if we've
802         already create a PT_INTERP segment.
803         (Layout::create_interp): Always call choose_output_section (revert
804         patch of 2011-06-17).  Don't create PT_INTERP segment.
805         * script-sections.cc
806         (Script_sections::create_note_and_tls_segments): Add a .interp
807         section to a PT_INTERP segment even if we have seen a
808         --dynamic-linker option.
810 2011-06-18  Ian Lance Taylor  <iant@google.com>
812         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
813         merely because a non-PT_LOAD segment has a dynamic reloc.
815 2011-06-18  Ian Lance Taylor  <iant@google.com>
817         * layout.cc (Layout::finish_dynamic_section): Don't create
818         DT_FLAGS entry if not needed.
820 2011-06-18  Ian Lance Taylor  <iant@google.com>
822         PR gold/12745
823         * layout.cc (Layout::layout_eh_frame): Correct handling of
824         writable .eh_frame section.
826 2011-06-17  Ian Lance Taylor  <iant@google.com>
828         PR gold/12893
829         * resolve.cc (Symbol_table::resolve): Don't give an error if a
830         symbol is redefined with the exact same object and value.
832 2011-06-17  Ian Lance Taylor  <iant@google.com>
834         PR gold/12880
835         * layout.h (class Layout): Add interp_segment_ field.
836         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
837         (Layout::attach_allocated_section_to_segment): If making shared
838         library, put .interp section in PT_INTERP segment.
839         (Layout::finalize): Also call create_interp if -dynamic-linker
840         option was used.
841         (Layout::create_interp): Assert that there is no PT_INTERP
842         segment.  If not using a SECTIONS clause, use make_output_section.
843         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
844         * script-sections.cc
845         (Script_sections::create_note_and_tls_segments): If making shared
846         library, put .interp section in PT_INTERP segment.
848 2011-06-17  Ian Lance Taylor  <iant@google.com>
850         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
851         when making a shared library.
853 2011-06-17  Ian Lance Taylor  <iant@google.com>
855         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
856         parameter.  Change all callers.  Don't issue warning about PC32
857         against locally defined symbol.
859 2011-06-16  Ian Lance Taylor  <iant@google.com>
861         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
862         occurs in same object.
864 2011-06-14  Alan Modra  <amodra@gmail.com>
866         * po/POTFILES.in: Regenerate.
868 2011-06-09  Ian Lance Taylor  <iant@google.com>
870         * script-sections.cc
871         (Orphan_output_section::set_section_addresses): For a relocatable
872         link set address to 0.
874 2011-06-09  Cary Coutant  <ccoutant@google.com>
876         PR gold/12804
877         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
878         used with --compress-debug-sections.
879         * gold/object.cc (Sized_relobj_file::do_layout): Report
880         uncompressed size of compressed input sections.
882 2011-06-08  Cary Coutant  <ccoutant@google.com>
884         PR gold/12804
885         * testsuite/two_file_test_2_v1.cc: Change initialization of
886         v2 to keep it in .data.
888 2011-06-07  Cary Coutant  <ccoutant@google.com>
890         * common.cc (Symbol_table::do_allocate_commons_list): Call
891         gold_fallback.
892         * errors.cc (Errors::fatal): Adjust call to gold_exit.
893         (Errors::fallback): New function.
894         (gold_fallback): New function.
895         * errors.h (Errors::fallback): New function.
896         * gold.cc (gold_exit): Change status parameter to enum; adjust
897         all callers.
898         (queue_initial_tasks): Call gold_fallback.
899         * gold.h: Include cstdlib.
900         (Exit_status): New enum type.
901         (gold_exit): Change status parameter to enum.
902         (gold_fallback): New function.
903         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
904         (Layout::create_symtab_sections): Likewise.
905         (Layout::create_shdrs): Likewise.
906         * main.cc (main): Adjust call to gold_exit.
907         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
908         (Output_data_got::add_got_entry_pair): Likewise.
909         (Output_section::add_input_section): Likewise.
910         (Output_section::add_output_section_data): Likewise.
911         (Output_segment::set_section_list_addresses): Likewise.
912         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
914 2011-06-07  Cary Coutant  <ccoutant@google.com>
916         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
917         for incremental links.
918         * output.cc (Output_segment::set_section_list_addresses): Remove
919         FIXME and test for TLS or BSS.
921 2011-06-07  Cary Coutant  <ccoutant@google.com>
923         * testsuite/Makefile.am: Add incremental_copy_test,
924         incremental_common_test_1.
925         * testsuite/Makefile.in: Regenerate.
926         * testsuite/common_test_1_v1.c: New source file.
927         * testsuite/common_test_1_v2.c: New source file.
928         * testsuite/copy_test_v1.cc: New source file.
930 2011-06-07  Cary Coutant  <ccoutant@google.com>
932         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
933         update, allocate common from bss section's free list.
934         * incremental-dump.cc (dump_incremental_inputs): Print flag for
935         linker-defined symbols.
936         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
937         Skip GOT and PLT entries that are no longer referenced.
938         (Output_section_incremental_inputs::write_info_blocks): Mark
939         linker-defined symbols.
940         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
941         * output.cc (Output_section::allocate): New function.
942         * output.h (Output_section::allocate): New function.
943         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
944         linker-defined symbols.
945         (Symbol::override_base_with_special): Copy is_predefined_ flag.
946         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
947         (Symbol::init_base_output_data): Likewise.
948         (Symbol::init_base_output_segment): Likewise.
949         (Symbol::init_base_constant): Likewise.
950         (Sized_symbol::init_output_data): Likewise.
951         (Sized_symbol::init_output_segment): Likewise.
952         (Sized_symbol::init_constant): Likewise.
953         (Symbol_table::do_define_in_output_data): Likewise.
954         (Symbol_table::do_define_in_output_segment): Likewise.
955         (Symbol_table::do_define_as_constant): Likewise.
956         * symtab.h (Symbol::is_predefined): New function.
957         (Symbol::init_base_output_data): Add is_predefined parameter.
958         (Symbol::init_base_output_segment): Likewise.
959         (Symbol::init_base_constant): Likewise.
960         (Symbol::is_predefined_): New data member.
961         (Sized_symbol::init_output_data): Add is_predefined parameter.
962         (Sized_symbol::init_output_segment): Likewise.
963         (Sized_symbol::init_constant): Likewise.
964         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
966 2011-06-07  Cary Coutant  <ccoutant@google.com>
968         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
969         instead of emit_copy_reloc.
970         (Copy_relocs::emit_copy_reloc): Refactor.
971         (Copy_relocs::make_copy_reloc): New function.
972         (Copy_relocs::add_copy_reloc): Remove.
973         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
974         section.
975         (Copy_relocs::make_copy_reloc): New function.
976         (Copy_relocs::add_copy_reloc): Remove.
977         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
978         unchanged input files.
979         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
980         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
981         Reserve BSS space for COPY relocations.
982         (Sized_incremental_binary::do_emit_copy_relocs): New function.
983         (Output_section_incremental_inputs::write_info_blocks): Record
984         whether a symbol is copied from a shared object.
985         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
986         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
987         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
988         (Incremental_input_entry_reader::get_output_symbol_index): Add
989         is_copy parameter.
990         (Incremental_binary::emit_copy_relocs): New function.
991         (Incremental_binary::do_emit_copy_relocs): New function.
992         (Sized_incremental_binary::Sized_incremental_binary): Initialize
993         new data member.
994         (Sized_incremental_binary::add_copy_reloc): New function.
995         (Sized_incremental_binary::do_emit_copy_relocs): New function.
996         (Sized_incremental_binary::Copy_reloc): New struct.
997         (Sized_incremental_binary::Copy_relocs): New typedef.
998         (Sized_incremental_binary::copy_relocs_): New data member.
999         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1000         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1001         * target.h (Sized_target::emit_copy_reloc): New function.
1002         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1004 2011-06-02  Cary Coutant  <ccoutant@google.com>
1006         PR gold/12163
1007         * gold/archive.cc (Archive::Archive): Initialize new data member.
1008         (Archive::include_all_members): Return if archive has already been
1009         included.
1010         * gold/archive.h (Archive::include_all_members_): New data member.
1012 2011-06-02  Nick Clifton  <nickc@redhat.com>
1014         * dynobj.h: Fix spelling mistake in comment.
1015         * output.cc: Likewise.
1017 2011-05-31  Doug Kwan  <dougkwan@google.com>
1018             Asier Llano
1020         PR gold/12826
1021         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1022         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1023         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1024         redundant arm_exidx_test.so.
1025         * testsuite/Makefile.in: Regenerate.
1026         (check_SCRIPTS): Add pr12826.sh
1027         (check_DATA): Add pr12826.stdout
1028         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1029         * testsuite/pr12826.sh: New file.
1030         * testsuite/pr12826_1.s: Ditto.
1031         * testsuite/pr12826_1.s: Ditto.
1033 2011-05-30  Ian Lance Taylor  <iant@google.com>
1035         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1036         sections.
1038 2011-05-29  Ian Lance Taylor  <iant@google.com>
1040         PR gold/12804
1041         * testsuite/Makefile.am: Use different file name for two_file_test
1042         temporary file for each incremental test.
1043         * testsuite/Makefile.in: Rebuild.
1045 2011-05-29  Ian Lance Taylor  <iant@google.com>
1047         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1048         binary input file is empty.
1050 2011-05-27  Ian Lance Taylor  <iant@google.com>
1052         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1053         (ver_test_9.so): Likewise.
1054         * testsuite/Makefile.in: Rebuild.
1056 2011-05-26 Cary Coutant  <ccoutant@google.com>
1058         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1059         * incremental.cc (Incremental_inputs::report_input_section): Fix
1060         comment, indentation.
1061         (Incremental_inputs::report_comdat_group): New function.
1062         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1063         of data for incremental input file entry.
1064         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1065         group count, COMDAT group signatures.
1066         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1067         an unchanged input file.
1068         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1069         Initialize new data member.
1070         (Incremental_object_entry::add_comdat_group): New function.
1071         (Incremental_object_entry::get_comdat_group_count): New function.
1072         (Incremental_object_entry::get_comdat_signature_key): New function.
1073         (Incremental_object_entry::groups_): New data member.
1074         (Incremental_inputs::report_comdat_group): New function.
1075         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1076         data for incremental input file entry.
1077         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1078         (Incremental_input_entry_reader::get_input_section): Adjust size of
1079         data for incremental input file entry.
1080         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1081         (Incremental_input_entry_reader::get_comdat_group_signature): New
1082         function.
1083         * object.cc (Sized_relobj::include_section_group): Report kept
1084         COMDAT groups for incremental links.
1086 2011-05-24  David Meyer  <pdox@google.com>
1088         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1089         with name parameter.  Add found_name parameter.
1090         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1091         * dirsearch.h (class Dirsearch): Update declaration.
1093 2011-05-24  Ian Lance Taylor  <iant@google.com>
1095         * archive.cc (Library_base::should_include_member): Pull in object
1096         from archive if it defines the entry symbol.
1097         * parameters.cc (Parameters::entry): New function.
1098         * parameters.h (class Parameters): Declare entry.
1099         * output.h (class Output_file_header): Remove entry_ field.
1100         * output.cc (Output_file_header::Output_file_header): Remove entry
1101         parameter.  Change all callers.
1102         (Output_file_header::entry): Use parameters->entry.
1103         * gold.cc (queue_middle_tasks): Likewise.
1104         * plugin.cc (Plugin_hook::run): Likewise.
1106 2011-05-24 Cary Coutant  <ccoutant@google.com>
1108         * gold.cc (queue_initial_tasks): Pass incremental base filename
1109         to Output_file::open_base_file; don't print error message.
1110         * incremental-dump.cc (main): Adjust call to
1111         Output_file::open_for_modification.
1112         * incremental-dump.cc (main): Likewise.
1113         * incremental.cc (Incremental_inputs::report_command_line):
1114         Ignore --incremental-base option when comparing command lines.
1115         Ignore parameter when given as separate argument.
1116         * options.h (class General_options): Add --incremental-base.
1117         * output.cc (Output_file::Output_file):
1118         (Output_file::open_base_file): Add base_name and writable parameters;
1119         read base file into new file; print error message here.
1120         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1121         callers.
1122         * output.h (Output_file::open_for_modification): Rename to...
1123         (Output_file::open_base_file): ...this; add base_name and
1124         writable parameters; adjust all callers.
1125         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1126         callers.
1127         * testsuite/Makefile.am (incremental_test_4): Test
1128         --incremental-base.
1129         * testsuite/Makefile.in: Regenerate.
1131 2011-05-24 Cary Coutant  <ccoutant@google.com>
1133         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1134         incremental_test_4.
1135         * testsuite/Makefile.in: Regenerate.
1136         * testsuite/two_file_test_1_v1.cc: New test source file.
1137         * testsuite/two_file_test_1b_v1.cc: New test source file.
1138         * testsuite/two_file_test_2_v1.cc: New test source file.
1140 2011-05-24 Cary Coutant  <ccoutant@google.com>
1142         * dynobj.h (Dynobj::do_dynobj): New function.
1143         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1144         flag and soname for shared objects.
1145         * incremental.cc (Incremental_inputs::report_object): Make
1146         either Incremental_object_entry or Incremental_dynobj_entry; add
1147         soname to string table.
1148         (Incremental_inputs::report_input_section): Add assertion.
1149         (Output_section_incremental_inputs::set_final_data_size): Adjust
1150         type of input file entry for shared libraries; adjust size of
1151         shared library info entry.
1152         (Output_section_incremental_inputs::write_input_files): Write
1153         as_needed flag for shared libraries.
1154         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1155         of input file entry for shared libraries; write soname.
1156         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1157         soname from incremental info.
1158         * incremental.h (enum Incremental_input_flags): Add
1159         INCREMENTAL_INPUT_AS_NEEDED.
1160         (Incremental_input_entry::Incremental_input_entry): Initialize new
1161         data member.
1162         (Incremental_input_entry::set_as_needed): New function.
1163         (Incremental_input_entry::as_needed): New function.
1164         (Incremental_input_entry::do_dynobj_entry): New function.
1165         (Incremental_input_entry::as_needed_): New data member.
1166         (Incremental_object_entry::Incremental_object_entry): Don't check
1167         for shared library.
1168         (Incremental_object_entry::do_type): Likewise.
1169         (class Incremental_dynobj_entry): New class.
1170         (Incremental_input_entry_reader::as_needed): New function.
1171         (Incremental_input_entry_reader::get_soname): New function.
1172         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1173         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1174         size of shared library info entry.
1175         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1176         incremental link when adding DT_NEEDED entries.
1177         * object.h (Object::Object): Initialize new data member.
1178         (Object::dynobj): New function.
1179         (Object::set_as_needed): New function.
1180         (Object::as_needed): New function.
1181         (Object::do_dynobj): New function.
1182         (Object::as_needed_): New data member.
1184 2011-05-24 Cary Coutant  <ccoutant@google.com>
1186         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1187         info; adjust display of GOT entries.
1188         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1189         vector of input objects; remove file_status_.
1190         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1191         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1192         got_plt reader; call target hooks to reserve GOT entries.
1193         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1194         of input file info header and GOT info entry.
1195         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1196         relocation info.
1197         (Got_plt_view_info::got_descriptor): Remove.
1198         (Got_plt_view_info::sym_index): New data member.
1199         (Got_plt_view_info::input_index): New data member.
1200         (Local_got_offset_visitor::visit): Write input file index.
1201         (Global_got_offset_visitor::visit): Write 0 for input file index.
1202         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1203         with sym_index and input_index.
1204         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1205         incremental info GOT entry; replace got_descriptor with input_index.
1206         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1207         map from input file index to object.
1208         (Sized_relobj_incr::do_layout): Replace direct data member reference
1209         with accessor function.
1210         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1211         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1212         Adjust size of input file info header.
1213         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1214         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1215         (Incremental_input_entry_reader::get_input_section): Adjust size of
1216         input file info header.
1217         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1218         of incremental info GOT entry.
1219         (Incremental_got_plt_reader::get_got_desc): Remove.
1220         (Incremental_got_plt_reader::get_got_symndx): New function.
1221         (Incremental_got_plt_reader::get_got_input_index): New function.
1222         (Sized_incremental_binary::Sized_incremental_binary): Remove
1223         file_status_; add input_objects_.
1224         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1225         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1226         (Sized_incremental_binary::file_is_unchanged): Remove.
1227         (Sized_incremental_binary::set_input_object): New function.
1228         (Sized_incremental_binary::input_object): New function.
1229         (Sized_incremental_binary::file_status_): Remove.
1230         (Sized_incremental_binary::input_objects_): New data member.
1231         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1232         references.
1233         (Sized_relobj_incr::invalid_address): Move to base class.
1234         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1235         class.
1236         (Sized_relobj_incr::do_output_section_offset): Likewise.
1237         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1238         (Sized_relobj_incr::section_offsets_): Likewise.
1239         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1240         function.
1241         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1242         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1243         with accessor function.
1244         (Sized_relobj_file::do_layout): Likewise.
1245         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1246         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1247         (Sized_relobj_file::compute_final_local_value): Replace refs to
1248         section_offsets_ with accessor function.
1249         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1250         * object.h (Relobj::Relobj): Initialize new data members.
1251         (Relobj::add_dyn_reloc): New function.
1252         (Relobj::first_dyn_reloc): New function.
1253         (Relobj::dyn_reloc_count): New function.
1254         (Relobj::first_dyn_reloc_): New data member.
1255         (Relobj::dyn_reloc_count_): New data member.
1256         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1257         references.
1258         (Sized_relobj::Address): New typedef.
1259         (Sized_relobj::invalid_address): Move here from child class.
1260         (Sized_relobj::Sized_relobj): Initialize new data members.
1261         (Sized_relobj::sized_relobj): New function.
1262         (Sized_relobj::is_output_section_offset_invalid): Move here from
1263         child class.
1264         (Sized_relobj::get_output_section_offset): Likewise.
1265         (Sized_relobj::local_has_got_offset): Likewise.
1266         (Sized_relobj::local_got_offset): Likewise.
1267         (Sized_relobj::set_local_got_offset): Likewise.
1268         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1269         (Sized_relobj::clear_got_offsets): New function.
1270         (Sized_relobj::section_offsets): Move here from child class.
1271         (Sized_relobj::do_output_section_offset): Likewise.
1272         (Sized_relobj::do_set_section_offset): Likewise.
1273         (Sized_relobj::Local_got_offsets): Likewise.
1274         (Sized_relobj::local_got_offsets_): Likewise.
1275         (Sized_relobj::section_offsets_): Likewise.
1276         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1277         references.
1278         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1279         class.
1280         (Sized_relobj_file::sized_relobj): New function
1281         (Sized_relobj_file::local_has_got_offset): Move to base class.
1282         (Sized_relobj_file::local_got_offset): Likewise.
1283         (Sized_relobj_file::set_local_got_offset): Likewise.
1284         (Sized_relobj_file::get_output_section_offset): Likewise.
1285         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1286         (Sized_relobj_file::do_output_section_offset): Likewise.
1287         (Sized_relobj_file::do_set_section_offset): Likewise.
1288         (Sized_relobj_file::Local_got_offsets): Likewise.
1289         (Sized_relobj_file::local_got_offsets_): Likewise.
1290         (Sized_relobj_file::section_offsets_): Likewise.
1291         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1292         (all constructors).
1293         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1294         (Output_reloc::get_symbol_index): Likewise.
1295         (Output_reloc::local_section_offset): Likewise.
1296         (Output_reloc::get_address): Likewise.
1297         (Output_reloc::symbol_value): Likewise.
1298         (Output_data_got::reserve_slot): Move to class definition.
1299         (Output_data_got::reserve_local): New function.
1300         (Output_data_got::reserve_slot_for_global): Remove.
1301         (Output_data_got::reserve_global): New function.
1302         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1303         (all constructors, two instantiations).
1304         (Output_reloc::get_relobj): New function (two instantiations).
1305         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1306         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1307         (Output_data_reloc::add_global): Adjust type of relobj.
1308         (Output_data_reloc::add_global_relative): Likewise.
1309         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1310         (Output_data_reloc::add_local): Likewise.
1311         (Output_data_reloc::add_local_relative): Likewise.
1312         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1313         (Output_data_reloc::add_local_section): Likewise.
1314         (Output_data_reloc::add_output_section): Likewise.
1315         (Output_data_reloc::add_absolute): Likewise.
1316         (Output_data_reloc::add_target_specific): Likewise.
1317         (Output_data_got::reserve_slot): Move definition here.
1318         (Output_data_got::reserve_local): New function.
1319         (Output_data_got::reserve_global): New function.
1320         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1321         section_offsets_ with accessor function.
1322         (Sized_relobj_file::write_sections): Likewise.
1323         (Sized_relobj_file::do_relocate_sections): Likewise.
1324         * target.h (Sized_target::reserve_local_got_entry): New function.
1325         (Sized_target::reserve_global_got_entry): New function.
1326         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1327         (Target_x86_64::reserve_global_got_entry): New function.
1328         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1330 2011-05-23 Cary Coutant  <ccoutant@google.com>
1332         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1333         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1334         bit when checking got_type.
1335         * incremental.cc (Sized_incremental_binary::setup_readers):
1336         Store symbol table and string table locations; initialize bit vector
1337         of file status flags.
1338         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1339         unchanged files.
1340         (Sized_incremental_binary::do_process_got_plt): New function.
1341         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1342         (Output_section_incremental_inputs::set_final_data_size): Record
1343         file index for each input file.
1344         (Output_section_incremental_inputs::write_got_plt): Store file index
1345         instead of input entry offset for each GOT entry.
1346         * incremental.h
1347         (Incremental_input_entry::Incremental_input_entry): Initialize new
1348         data member.
1349         (Incremental_input_entry::set_offset): Store file index.
1350         (Incremental_input_entry::get_file_index): New function.
1351         (Incremental_input_entry::file_index_): New data member.
1352         (Incremental_binary::process_got_plt): New function.
1353         (Incremental_binary::do_process_got_plt): New function.
1354         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1355         data members.
1356         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1357         (Sized_incremental_binary::set_file_is_unchanged): New function.
1358         (Sized_incremental_binary::file_is_unchanged): New function.
1359         (Sized_incremental_binary::do_process_got_plt): New function.
1360         (Sized_incremental_binary::file_status_): New data member.
1361         (Sized_incremental_binary::main_symtab_loc_): New data member.
1362         (Sized_incremental_binary::main_strtab_loc_): New data member.
1363         * output.cc (Output_data_got::Got_entry::write): Add case
1364         RESERVED_CODE.
1365         (Output_data_got::add_global): Call add_got_entry.
1366         (Output_data_got::add_global_plt): Likewise.
1367         (Output_data_got::add_global_with_rel): Likewise.
1368         (Output_data_got::add_global_with_rela): Likewise.
1369         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1370         (Output_data_got::add_global_pair_with_rela): Likewise.
1371         (Output_data_got::add_local): Call add_got_entry.
1372         (Output_data_got::add_local_plt): Likewise.
1373         (Output_data_got::add_local_with_rel): Likewise.
1374         (Output_data_got::add_local_with_rela): Likewise.
1375         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1376         (Output_data_got::add_local_pair_with_rela): Likewise.
1377         (Output_data_got::reserve_slot): New function.
1378         (Output_data_got::reserve_slot_for_global): New function.
1379         (Output_data_got::add_got_entry): New function.
1380         (Output_data_got::add_got_entry_pair): New function.
1381         (Output_section::add_output_section_data): Edit FIXME.
1382         * output.h
1383         (Output_section_data_build::Output_section_data_build): New
1384         constructor with size parameter.
1385         (Output_data_space::Output_data_space): Likewise.
1386         (Output_data_got::Output_data_got): Initialize new data member; new
1387         constructor with size parameter.
1388         (Output_data_got::add_constant): Call add_got_entry.
1389         (Output_data_got::reserve_slot): New function.
1390         (Output_data_got::reserve_slot_for_global): New function.
1391         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1392         (Output_data_got::add_got_entry): New function.
1393         (Output_data_got::add_got_entry_pair): New function.
1394         (Output_data_got::free_list_): New data member.
1395         * target.h (Sized_target::init_got_plt_for_update): New function.
1396         (Sized_target::register_global_plt_entry): New function.
1397         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1398         Initialize new data member; call init; add constructor with PLT count.
1399         (Output_data_plt_x86_64::init): New function.
1400         (Output_data_plt_x86_64::add_relocation): New function.
1401         (Output_data_plt_x86_64::reserve_slot): New function.
1402         (Output_data_plt_x86_64::free_list_): New data member.
1403         (Target_x86_64::init_got_plt_for_update): New function.
1404         (Target_x86_64::register_global_plt_entry): New function.
1405         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1406         incremental updates.
1407         (Output_data_plt_x86_64::add_relocation): New function.
1408         * testsuite/object_unittest.cc (Object_test): Set default options.
1410 2011-05-16  Ian Lance Taylor  <iant@google.com>
1412         * options.h (class General_options): Make -i a synonym for -r.
1414 2011-05-16  Ian Lance Taylor  <iant@google.com>
1416         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1418 2011-05-10 Cary Coutant  <ccoutant@google.com>
1420         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1421         strip_all (-s).
1423 2011-05-06  Ian Lance Taylor  <iant@google.com>
1425         * layout.cc (Layout::layout): If the output section flags change,
1426         update the ordering.
1428 2011-04-25 Cary Coutant  <ccoutant@google.com>
1430         * incremental-dump.cc (dump_incremental_inputs): Print local
1431         symbol info for each input file.
1432         * incremental.cc
1433         (Output_section_incremental_inputs::set_final_data_size): Add local
1434         symbol info to input file entries in incremental info.
1435         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1436         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1437         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1438         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1439         implementation.
1440         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1441         (Sized_incr_relobj::do_relocate): Write the local symbols.
1442         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1443         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1444         Adjust size of input file header.
1445         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1446         (Incremental_inputs_reader::get_local_symbol_count): New function.
1447         (Incremental_inputs_reader::get_input_section): Adjust size of input
1448         file header.
1449         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1450         (Sized_incr_relobj::This): New typedef.
1451         (Sized_incr_relobj::sym_size): New const data member.
1452         (Sized_incr_relobj::Local_symbol): New struct.
1453         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1454         (Sized_incr_relobj::do_local_symbol_offset): New function.
1455         (Sized_incr_relobj::local_symbol_count_): New data member.
1456         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1457         (Sized_incr_relobj::local_symbol_index_): New data member.
1458         (Sized_incr_relobj::local_symbol_offset_): New data member.
1459         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1460         (Sized_incr_relobj::local_symbols_): New data member.
1461         * object.h (Relobj::output_local_symbol_count): New function.
1462         (Relobj::local_symbol_offset): New function.
1463         (Relobj::do_output_local_symbol_count): New function.
1464         (Relobj::do_local_symbol_offset): New function.
1465         (Sized_relobj::do_output_local_symbol_count): New function.
1466         (Sized_relobj::do_local_symbol_offset): New function.
1468 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1470         * descriptors.cc (set_close_on_exec): New function.
1471         (Descriptors::open): Use set_close_on_exec.
1472         * output.cc (S_ISLNK): Define if not defined.
1474 2011-04-22 Cary Coutant  <ccoutant@google.com>
1476         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1477         global symbol map.
1478         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1479         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1480         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1481         relocations.
1482         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1483         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1484         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1485         * incremental.h
1486         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1487         function.
1488         (Incremental_binary::apply_incremental_relocs): New function.
1489         (Incremental_binary::do_apply_incremental_relocs): New function.
1490         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1491         data member.
1492         (Sized_incremental_binary::add_global_symbol): New function.
1493         (Sized_incremental_binary::global_symbol): New function.
1494         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1495         (Sized_incremental_binary::symbol_map_): New data member.
1496         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1497         * target.h (Sized_target::apply_relocation): New function.
1498         * target-reloc.h (apply_relocation): New function.
1499         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1501 2011-04-22  Doug Kwan  <dougkwan@google.com>
1503         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1504         flag of a SHT_ARM_EXIDX section.
1505         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1506         * testsuite/Makefile.in: Regenerate.
1507         * testsuite/arm_exidx_test.s: New file.
1508         * testsuite/arm_exidx_test.sh: Same.
1510 2011-04-20 Cary Coutant  <ccoutant@google.com>
1512         PR gold/12689
1513         * archive.h (Incremental_archive_entry::Archive_member):
1514         Initialize arg_serial_ (second constructor).
1516 2011-04-17  Ian Lance Taylor  <iant@google.com>
1518         * object.cc (Relocate_info::location): Simplify location string.
1519         * errors.cc (Errors::error_at_location): Don't print program
1520         name.
1521         (Errors::warning_at_location): Likewise.
1522         (Errors::undefined_symbol): Likewise.
1523         * testsuite/debug_msg.sh: Update accordingly.
1525 2011-04-14 Cary Coutant  <ccoutant@google.com>
1527         * gold/layout.cc (Layout::symtab_section_offset): New function.
1528         * gold/layout.h (Layout::symtab_section_offset): New function.
1529         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1531 2011-04-12  Ian Lance Taylor  <iant@google.com>
1533         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1534         with MREMAP_MAYMOVE.
1535         * output.h (class Output_file): Add map_is_allocated_ field.
1536         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1537         not available, provide stubs.  If mremap is not available, #define
1538         it to gold_mremap.
1539         (MREMAP_MAYMOVE): Define if not defined.
1540         (Output_file::Output_file): Initialize map_is_allocated_.
1541         (Output_file::resize): Check map_is_allocated_.
1542         (Output_file::map_anonymous): If mmap fails, use malloc.
1543         (Output_file::unmap): Don't do anything for an anonymous map.
1544         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1545         is not available, provide stubs.
1546         (File_read::View::~View): Use free rather than delete[].
1547         (File_read::make_view): Use malloc rather than new[].  If mmap
1548         fails, use malloc.
1549         (File_read::find_or_make_view): Use malloc rather than new[].
1550         * gold.h: Remove HAVE_REMAP code.
1551         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1552         exists.  Rename mremap to gold_mremap.  If mmap is not available
1553         don't do anything.
1554         * configure, config.in: Rebuild.
1556 2011-04-11  Ian Lance Taylor  <iant@google.com>
1558         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1559         initialize local variable v.
1561 2011-04-11  Cary Coutant  <ccoutant@google.com>
1563         * archive.cc (Archive::include_member): Adjust call to
1564         report_object.
1565         (Add_archive_symbols::run): Track argument serial numbers.
1566         (Lib_group::include_member): Likewise.
1567         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1568         * archive.h (Incremental_archive_entry::Archive_member):
1569         Initialize arg_serial_.
1570         (Archive_member::arg_serial_): New data member.
1571         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1572         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1573         incremental link.
1574         (Sized_dynobj::do_for_all_local_got_entries): New function.
1575         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1576         function.
1577         * fileread.cc (get_mtime): New function.
1578         * fileread.h (get_mtime): New function.
1579         * gold.cc (queue_initial_tasks): Check for incremental update.
1580         (process_incremental_input): New function.
1581         (queue_middle_tasks): Don't force valid target for incremental
1582         update.
1583         * incremental-dump.cc (find_input_containing_global): Adjust
1584         size of symbol info entry.
1585         (dump_incremental_inputs): Dump argument serial number and
1586         in_system_directory flag; bias shndx by 1; print symbol names
1587         when dumping per-file symbol lists; use new symbol info readers.
1588         * incremental.cc
1589         (Output_section_incremental_inputs:update_data_size): New function.
1590         (Sized_incremental_binary::setup_readers): Setup input readers
1591         for each input file; build maps for files added from libraries
1592         and scripts.
1593         (Sized_incremental_binary::check_input_args): New function.
1594         (Sized_incremental_binary::do_check_inputs): Build map of argument
1595         serial numbers to input arguments.
1596         (Sized_incremental_binary::do_file_has_changed): Rename
1597         do_file_is_unchanged to this; compare file modification times.
1598         (Sized_incremental_binary::do_init_layout): New function.
1599         (Sized_incremental_binary::do_reserve_layout): New function.
1600         (Sized_incremental_binary::do_get_input_reader): Remove.
1601         (Sized_incremental_binary::get_symtab_view): New function.
1602         (Incremental_checker::can_incrementally_link_output_file): Remove.
1603         (Incremental_inputs::report_command_line): Exclude --debug options.
1604         (Incremental_inputs::report_archive_begin): Add parameter; track
1605         argument serial numbers; don't put input file entry for archive
1606         before archive members.
1607         (Incremental_inputs::report_archive_end): Put input file entry
1608         for archive after archive members.
1609         (Incremental_inputs::report_object): Add parameter; track argument
1610         serial numbers and in_system_directory flag.
1611         (Incremental_inputs::report_script): Add parameter; track argument
1612         serial numbers.
1613         (Output_section_incremental_inputs::set_final_data_size): Adjust
1614         size of symbol info entry; check for forwarding symbols.
1615         (Output_section_incremental_inputs::write_input_files): Write
1616         in_system_directory flag and argument serial number.
1617         (Output_section_incremental_inputs::write_info_blocks): Map section
1618         indices between incremental info and original input file; store
1619         input section index for each symbol.
1620         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1621         change operator() to visit().
1622         (class Global_got_offset_visitor): Likewise.
1623         (class Global_symbol_visitor_got_plt):
1624         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1625         classes.
1626         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1627         (Sized_incr_relobj::do_read_symbols): New function.
1628         (Sized_incr_relobj::do_layout): New function.
1629         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1630         (Sized_incr_relobj::do_add_symbols): New function.
1631         (Sized_incr_relobj::do_should_include_member): New function.
1632         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1633         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1634         (Sized_incr_relobj::do_section_size): New function.
1635         (Sized_incr_relobj::do_section_name): New function.
1636         (Sized_incr_relobj::do_section_contents): New function.
1637         (Sized_incr_relobj::do_section_flags): New function.
1638         (Sized_incr_relobj::do_section_entsize): New function.
1639         (Sized_incr_relobj::do_section_address): New function.
1640         (Sized_incr_relobj::do_section_type): New function.
1641         (Sized_incr_relobj::do_section_link): New function.
1642         (Sized_incr_relobj::do_section_info): New function.
1643         (Sized_incr_relobj::do_section_addralign): New function.
1644         (Sized_incr_relobj::do_initialize_xindex): New function.
1645         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1646         (Sized_incr_relobj::do_read_relocs): New function.
1647         (Sized_incr_relobj::do_gc_process_relocs): New function.
1648         (Sized_incr_relobj::do_scan_relocs): New function.
1649         (Sized_incr_relobj::do_count_local_symbols): New function.
1650         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1651         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1652         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1653         (Sized_incr_relobj::do_relocate): New function.
1654         (Sized_incr_relobj::do_set_section_offset): New function.
1655         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1656         (Sized_incr_dynobj::do_read_symbols): New function.
1657         (Sized_incr_dynobj::do_layout): New function.
1658         (Sized_incr_dynobj::do_add_symbols): New function.
1659         (Sized_incr_dynobj::do_should_include_member): New function.
1660         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1661         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1662         (Sized_incr_dynobj::do_section_size): New function.
1663         (Sized_incr_dynobj::do_section_name): New function.
1664         (Sized_incr_dynobj::do_section_contents): New function.
1665         (Sized_incr_dynobj::do_section_flags): New function.
1666         (Sized_incr_dynobj::do_section_entsize): New function.
1667         (Sized_incr_dynobj::do_section_address): New function.
1668         (Sized_incr_dynobj::do_section_type): New function.
1669         (Sized_incr_dynobj::do_section_link): New function.
1670         (Sized_incr_dynobj::do_section_info): New function.
1671         (Sized_incr_dynobj::do_section_addralign): New function.
1672         (Sized_incr_dynobj::do_initialize_xindex): New function.
1673         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1674         (make_sized_incremental_object): New function.
1675         (Incremental_library::copy_unused_symbols): New function.
1676         (Incremental_library::do_for_all_unused_symbols): New function.
1677         * incremental.h (enum Incremental_input_flags): New type.
1678         (class Incremental_checker): Remove.
1679         (Incremental_input_entry::Incremental_input_entry): Add argument
1680         serial number.
1681         (Incremental_input_entry::arg_serial): New function.
1682         (Incremental_input_entry::set_is_in_system_directory): New function.
1683         (Incremental_input_entry::is_in_system_directory): New function.
1684         (Incremental_input_entry::arg_serial_): New data member.
1685         (Incremental_input_entry::is_in_system_directory_): New data member.
1686         (class Script_info): Move here from script.h.
1687         (Script_info::Script_info): Add filename parameter.
1688         (Script_info::filename): New function.
1689         (Script_info::filename_): New data member.
1690         (Incremental_script_entry::Incremental_script_entry): Add argument
1691         serial number.
1692         (Incremental_object_entry::Incremental_object_entry): Likewise.
1693         (Incremental_object_entry::add_input_section): Build list of input
1694         sections with map to original shndx.
1695         (Incremental_object_entry::get_input_section_index): New function.
1696         (Incremental_object_entry::shndx_): New data member.
1697         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1698         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1699         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1700         serial number.
1701         (Incremental_inputs::report_archive_begin): Likewise.
1702         (Incremental_inputs::report_object): Likewise.
1703         (Incremental_inputs::report_script): Likewise.
1704         (class Incremental_global_symbol_reader): New class.
1705         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1706         and store flags and input file type.
1707         (Incremental_input_entry_reader::arg_serial): New function.
1708         (Incremental_input_entry_reader::type): Extract type from flags.
1709         (Incremental_input_entry_reader::is_in_system_directory): New function.
1710         (Incremental_input_entry_reader::get_input_section_count): Call
1711         accessor function for type.
1712         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1713         function for type; adjust size of global symbol entry.
1714         (Incremental_input_entry_reader::get_global_symbol_count): Call
1715         accessor function for type.
1716         (Incremental_input_entry_reader::get_object_count): Likewise.
1717         (Incremental_input_entry_reader::get_object_offset): Likewise.
1718         (Incremental_input_entry_reader::get_member_count): Likewise.
1719         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1720         (Incremental_input_entry_reader::get_member_offset): Likewise.
1721         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1722         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1723         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1724         (Incremental_input_entry_reader::get_global_symbol_reader): New
1725         function.
1726         (Incremental_input_entry_reader::get_output_symbol_index): New
1727         function.
1728         (Incremental_input_entry_reader::type_): Remove.
1729         (Incremental_input_entry_reader::flags_): New data member.
1730         (Incremental_inputs_reader::input_file_offset): New function.
1731         (Incremental_inputs_reader::input_file_index): New function.
1732         (Incremental_inputs_reader::input_file): Call input_file_offset.
1733         (Incremental_inputs_reader::input_file_at_offset): New function.
1734         (Incremental_relocs_reader::get_r_type): Reformat.
1735         (Incremental_relocs_reader::get_r_shndx): Reformat.
1736         (Incremental_relocs_reader::get_r_offset): Reformat.
1737         (Incremental_relocs_reader::data): New function.
1738         (Incremental_binary::Incremental_binary): Initialize new data members.
1739         (Incremental_binary::check_inputs): Add cmdline parameter.
1740         (Incremental_binary::file_is_unchanged): Remove.
1741         (Input_reader::arg_serial): New function.
1742         (Input_reader::get_unused_symbol_count): New function.
1743         (Input_reader::get_unused_symbol): New function.
1744         (Input_reader::do_arg_serial): New function.
1745         (Input_reader::do_get_unused_symbol_count): New function.
1746         (Input_reader::do_get_unused_symbol): New function.
1747         (Incremental_binary::input_file_count): New function.
1748         (Incremental_binary::get_input_reader): Change signature to use
1749         index instead of filename.
1750         (Incremental_binary::file_has_changed): New function.
1751         (Incremental_binary::get_input_argument): New function.
1752         (Incremental_binary::get_library): New function.
1753         (Incremental_binary::get_script_info): New function.
1754         (Incremental_binary::init_layout): New function.
1755         (Incremental_binary::reserve_layout): New function.
1756         (Incremental_binary::output_file): New function.
1757         (Incremental_binary::do_check_inputs): New function.
1758         (Incremental_binary::do_file_is_unchanged): Remove.
1759         (Incremental_binary::do_file_has_changed): New function.
1760         (Incremental_binary::do_init_layout): New function.
1761         (Incremental_binary::do_reserve_layout): New function.
1762         (Incremental_binary::do_input_file_count): New function.
1763         (Incremental_binary::do_get_input_reader): Change signature.
1764         (Incremental_binary::input_args_map_): New data member.
1765         (Incremental_binary::library_map_): New data member.
1766         (Incremental_binary::script_map_): New data member.
1767         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1768         new data members.
1769         (Sized_incremental_binary::output_section): New function.
1770         (Sized_incremental_binary::inputs_reader): Add const.
1771         (Sized_incremental_binary::symtab_reader): Add const.
1772         (Sized_incremental_binary::relocs_reader): Add const.
1773         (Sized_incremental_binary::got_plt_reader): Add const.
1774         (Sized_incremental_binary::get_symtab_view): New function.
1775         (Sized_incremental_binary::Inputs_reader): New typedef.
1776         (Sized_incremental_binary::Input_entry_reader): New typedef.
1777         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1778         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1779         (Sized_incremental_binary::do_file_has_changed): New function.
1780         (Sized_incremental_binary::do_init_layout): New function.
1781         (Sized_incremental_binary::do_reserve_layout): New function.
1782         (Sized_input_reader::Inputs_reader): Remove.
1783         (Sized_input_reader::Input_entry_reader): Remove.
1784         (Sized_input_reader::do_arg_serial): New function.
1785         (Sized_input_reader::do_get_unused_symbol_count): New function.
1786         (Sized_input_reader::do_get_unused_symbol): New function.
1787         (Sized_incremental_binary::do_input_file_count): New function.
1788         (Sized_incremental_binary::do_get_input_reader): Change signature;
1789         use index instead of filename.
1790         (Sized_incremental_binary::section_map_): New data member.
1791         (Sized_incremental_binary::input_entry_readers_): New data member.
1792         (class Sized_incr_relobj): New class.
1793         (class Sized_incr_dynobj): New class.
1794         (make_sized_incremental_object): New function.
1795         (class Incremental_library): New class.
1796         * layout.cc (Free_list::num_lists): New static data member.
1797         (Free_list::num_nodes): New static data member.
1798         (Free_list::num_removes): New static data member.
1799         (Free_list::num_remove_visits): New static data member.
1800         (Free_list::num_allocates): New static data member.
1801         (Free_list::num_allocate_visits): New static data member.
1802         (Free_list::init): New function.
1803         (Free_list::remove): New function.
1804         (Free_list::allocate): New function.
1805         (Free_list::dump): New function.
1806         (Free_list::print_stats): New function.
1807         (Layout_task_runner::run): Resize output file for incremental updates.
1808         (Layout::Layout): Initialize new data members.
1809         (Layout::set_incremental_base): New function.
1810         (Layout::init_fixed_output_section): New function.
1811         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1812         incremental updates.
1813         (Layout::create_gold_note): Do not create gold note section for
1814         incremental updates.
1815         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1816         for incremental updates.
1817         (Layout::set_section_offsets): For incremental updates, allocate space
1818         from free list.
1819         (Layout::create_symtab_sections): Layout with offsets relative to
1820         start of section; for incremental updates, allocate space from free
1821         list.
1822         (Layout::create_shdrs): For incremental updates, allocate space from
1823         free list.
1824         (Layout::finish_dynamic_section): For incremental updates, do not
1825         check --as-needed (fixed in subsequent patch).
1826         * layout.h (class Free_list): New class.
1827         (Layout::set_incremental_base): New function.
1828         (Layout::incremental_base): New function.
1829         (Layout::init_fixed_output_section): New function.
1830         (Layout::allocate): New function.
1831         (Layout::incremental_base_): New data member.
1832         (Layout::free_list_): New data member.
1833         * main.cc (main): Print Free_list statistics.
1834         * object.cc (Relobj::finalize_incremental_relocs): Add
1835         clear_counts parameter; clear counts only when clear_counts is set.
1836         (Sized_relobj::Sized_relobj): Initialize new base class.
1837         (Sized_relobj::do_layout): Don't report special sections.
1838         (Sized_relobj::do_for_all_local_got_entries): New function.
1839         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1840         symtab_off to all symbol table offsets.
1841         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1842         * object.h (class Got_offset_list): Move to top of file.
1843         (Object::Object): Allow case where input_file == NULL.
1844         (Object::~Object): Likewise.
1845         (Object::input_file): Assert that input_file != NULL.
1846         (Object::lock): Allow case where input_file == NULL.
1847         (Object::unlock): Likewise.
1848         (Object::is_locked): Likewise.
1849         (Object::token): Likewise.
1850         (Object::release): Likewise.
1851         (Object::is_incremental): New function.
1852         (Object::get_mtime): New function.
1853         (Object::for_all_local_got_entries): New function.
1854         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1855         (Object::set_is_in_system_directory): New function.
1856         (Object::is_in_system_directory): New function.
1857         (Object::do_is_incremental): New function.
1858         (Object::do_get_mtime): New function.
1859         (Object::do_for_all_local_got_entries): New function.
1860         (Object::is_in_system_directory_): New data member.
1861         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1862         (class Sized_relobj_base): New class.
1863         (class Sized_relobj): Derive from Sized_relobj_base.
1864         (class Sized_relobj::Symbols): Redeclare from base class.
1865         (class Sized_relobj::local_got_offset_list): Remove.
1866         (class Sized_relobj::Output_sections): Redeclare from base class.
1867         (class Sized_relobj::do_for_all_local_got_entries): New function.
1868         (class Sized_relobj::write_local_symbols): Add offset parameter.
1869         (class Sized_relobj::local_symbol_offset_): Update comment.
1870         (class Sized_relobj::local_dynsym_offset_): Update comment.
1871         * options.cc (Input_arguments::add_file): Remove const.
1872         * options.h (Input_file_argument::Input_file_argument):
1873         Initialize arg_serial_ (all constructors).
1874         (Input_file_argument::set_arg_serial): New function.
1875         (Input_file_argument::arg_serial): New function.
1876         (Input_file_argument::arg_serial_): New data member.
1877         (Input_arguments::Input_arguments): Initialize file_count_.
1878         (Input_arguments::add_file): Remove const.
1879         (Input_arguments::number_of_input_files): New function.
1880         (Input_arguments::file_count_): New data member.
1881         (Command_line::number_of_input_files): Call
1882         Input_arguments::number_of_input_files.
1883         * output.cc (Output_segment_headers::Output_segment_headers):
1884         Set current size.
1885         (Output_section::Input_section::current_data_size): New function.
1886         (Output_section::Output_section): Initialize new data members.
1887         (Output_section::add_input_section): Don't do merge sections for
1888         an incremental link; allocate space from free list for an
1889         incremental update.
1890         (Output_section::add_output_section_data): Allocate space from
1891         free list for an incremental update.
1892         (Output_section::update_data_size): New function.
1893         (Output_section::set_fixed_layout): New function.
1894         (Output_section::reserve): New function.
1895         (Output_segment::set_section_addresses): Remove const.
1896         (Output_segment::set_section_list_addresses): Remove const; allocate
1897         space from free list for an incremental update.
1898         (Output_segment::set_offset): Adjust size of RELRO segment for an
1899         incremental update.
1900         * output.h (Output_data::current_data_size): Move here from
1901         child classes.
1902         (Output_data::pre_finalize_data_size): New function.
1903         (Output_data::update_data_size): New function.
1904         (Output_section_headers::update_data_size): new function.
1905         (Output_section_data_build::current_data_size): Move to Output_data.
1906         (Output_data_strtab::update_data_size): New function.
1907         (Output_section::current_data_size): Move to Output_data.
1908         (Output_section::set_fixed_layout): New function.
1909         (Output_section::has_fixed_layout): New function.
1910         (Output_section::reserve): New function.
1911         (Output_section::update_data_size): New function.
1912         (Output_section::has_fixed_layout_): New data member.
1913         (Output_section::free_list_): New data member.
1914         (Output_segment::set_section_addresses): Remove const.
1915         (Output_segment::set_section_list_addresses): Remove const.
1916         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1917         New function.
1918         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1919         New function.
1920         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1921         parameter when calling Add_symbols constructor; store argument
1922         serial number for members of a lib group.
1923         (Add_symbols::locks): Allow case where token == NULL.
1924         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1925         (Read_member::~Read_member): New function.
1926         (Read_member::is_runnable): New function.
1927         (Read_member::locks): New function.
1928         (Read_member::run): New function.
1929         (Check_script::~Check_script): New function.
1930         (Check_script::is_runnable): New function.
1931         (Check_script::locks): New function.
1932         (Check_script::run): New function.
1933         (Check_library::~Check_library): New function.
1934         (Check_library::is_runnable): New function.
1935         (Check_library::locks): New function.
1936         (Check_library::run): New function.
1937         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1938         (Add_symbols::library_): New data member.
1939         (class Read_member): New class.
1940         (class Check_script): New class.
1941         (class Check_library): New class.
1942         * reloc.cc (Read_relocs::is_runnable): Allow case where
1943         token == NULL.
1944         (Read_relocs::locks): Likewise.
1945         (Scan_relocs::locks): Likewise.
1946         (Relocate_task::locks): Likewise.
1947         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1948         to clear counters.
1949         (Sized_relobj::incremental_relocs_scan): Fix comment.
1950         (Sized_relobj::do_relocate): Pass output file offset to
1951         write_local_symbols.
1952         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1953         from class declaration.
1954         * script.cc (read_input_script): Allocate Script_info; pass
1955         argument serial number to report_script.
1956         * script.h (class Script_info): Move to incremental.h.
1957         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1958         * symtab.h (Symbol_table::add_from_incrobj): New function.
1959         (Symbol_table::set_file_offset): New function.
1961 2011-04-05  Cary Coutant  <ccoutant@google.com>
1963         * incremental-dump.cc (dump_incremental_inputs): Change signature
1964         to take a Sized_incremental_binary; change caller.  Use readers
1965         in Sized_incremental_binary.
1966         * incremental.cc
1967         (Sized_incremental_binary::find_incremental_inputs_sections):
1968         Rename do_find_incremental_inputs_sections to this.
1969         (Sized_incremental_binary::setup_readers): New function.
1970         (Sized_incremental_binary::do_check_inputs): Check
1971         has_incremental_info_ flag; move setup code to setup_readers;
1972         use input readers.
1973         (Sized_incremental_binary::do_file_is_unchanged): New function.
1974         (Sized_incremental_binary::do_get_input_reader): New function.
1975         * incremental.h (class Incremental_binary): Move to end of file.
1976         (Incremental_binary::file_is_unchanged): New function.
1977         (Incremental_binary::do_file_is_unchanged): New function.
1978         (Incremental_binary::Input_reader): New class.
1979         (Incremental_binary::get_input_reader): New function.
1980         (class Sized_incremental_binary): Move to end of file.
1981         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1982         input section reader classes.
1983         (Sized_incremental_binary::has_incremental_info): New function.
1984         (Sized_incremental_binary::inputs_reader): New function.
1985         (Sized_incremental_binary::symtab_reader): New function.
1986         (Sized_incremental_binary::relocs_reader): New function.
1987         (Sized_incremental_binary::got_plt_reader): New function.
1988         (Sized_incremental_binary::do_file_is_unchanged): New function.
1989         (Sized_incremental_binary::Sized_input_reader): New class.
1990         (Sized_incremental_binary::get_input_reader): New function.
1991         (Sized_incremental_binary::find_incremental_inputs_sections):
1992         Rename do_find_incremental_inputs_sections to this.
1993         (Sized_incremental_binary::setup_readers): New function.
1994         (Sized_incremental_binary::has_incremental_info_): New data member.
1995         (Sized_incremental_binary::inputs_reader_): New data member.
1996         (Sized_incremental_binary::symtab_reader_): New data member.
1997         (Sized_incremental_binary::relocs_reader_): New data member.
1998         (Sized_incremental_binary::got_plt_reader_): New data member.
1999         (Sized_incremental_binary::current_input_file_): New data member.
2001 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2003         PR gold/12640
2004         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2005         violation.
2007 2011-03-30  Cary Coutant  <ccoutant@google.com>
2009         * archive.cc (Archive::include_member): Adjust call to report_object.
2010         (Add_archive_symbols::run): Add script_info to call to
2011         report_archive_begin.
2012         (Lib_group::include_member): Adjust call to report_object.
2013         (Add_lib_group_symbols::run): Adjust call to report_object.
2014         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2015         blocks.  Add object count for script input files.
2016         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2017         script_info parameter; change all callers.
2018         (Incremental_inputs::report_object): Add script_info parameter;
2019         change all callers.
2020         (Incremental_inputs::report_script): Store backpointer to
2021         incremental info entry.
2022         (Output_section_incremental_inputs::set_final_data_size): Record
2023         additional information for scripts.
2024         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2025         * incremental.h (Incremental_script_entry::add_object): New function.
2026         (Incremental_script_entry::get_object_count): New function.
2027         (Incremental_script_entry::get_object): New function.
2028         (Incremental_script_entry::objects_): New data member; adjust
2029         constructor.
2030         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2031         (Incremental_inputs::report_object): Add script_info parameter.
2032         (Incremental_inputs_reader::get_object_count): New function.
2033         (Incremental_inputs_reader::get_object_offset): New function.
2034         * options.cc (Input_arguments::add_file): Return reference to
2035         new input argument.
2036         * options.h (Input_argument::set_script_info): New function.
2037         (Input_argument::script_info): New function.
2038         (Input_argument::script_info_): New data member; adjust all
2039         constructors.
2040         (Input_file_group::add_file): Return reference to new input argument.
2041         (Input_file_lib::add_file): Likewise.
2042         (Input_arguments::add_file): Likewise.
2043         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2044         * script.cc (Parser_closure::Parser_closure): Add script_info
2045         parameter; adjust all callers.
2046         (Parser_closure::script_info): New function.
2047         (Parser_closure::script_info_): New data member.
2048         (read_input_script): Report scripts earlier to incremental info.
2049         (script_add_file): Set script_info in Input_argument.
2050         (script_add_library): Likewise.
2051         * script.h (Script_options::Script_info): Rewrite class.
2053 2011-03-29  Cary Coutant  <ccoutant@google.com>
2055         * archive.cc (Library_base::should_include_member): Move
2056         method here from class Archive.
2057         (Archive::Archive): Initialize base class.
2058         (Archive::should_include_member): Move to base class.
2059         (Archive::do_for_all_unused_symbols): New function.
2060         (Add_archive_symbols::run): Remove redundant access to
2061         incremental_inputs.
2062         (Lib_group::Lib_group): Initialize base class.
2063         (Lib_group::do_filename): New function.
2064         (Lib_group::include_member): Pass pointer to Lib_group to
2065         report_object.
2066         (Lib_group::do_for_all_unused_symbols): New function.
2067         (Add_lib_group_symbols::run): Report archive information for
2068         incremental links.
2069         * archive.h (class Library_base): New base class.
2070         (class Archive): Derive from Library_base.
2071         (Archive::filename): Move to base class.
2072         (Archive::set_incremental_info): Likewise.
2073         (Archive::incremental_info): Likewise.
2074         (Archive::Should_include): Likewise.
2075         (Archive::should_include_member): Likewise.
2076         (Archive::Armap_entry): Remove.
2077         (Archive::Unused_symbol_iterator): Remove.
2078         (Archive::unused_symbols_begin): Remove.
2079         (Archive::unused_symbols_end): Remove.
2080         (Archive::do_filename): New function.
2081         (Archive::do_get_mtime): New function.
2082         (Archive::do_for_all_unused_symbols): New function.
2083         (Archive::task_): Move to base class.
2084         (Archive::incremental_info_): Likewise.
2085         (class Lib_group): Derive from Library_base.
2086         (Lib_group::do_filename): New function.
2087         (Lib_group::do_get_mtime): New function.
2088         (Lib_group::do_for_all_unused_symbols): New function.
2089         (Lib_group::task_): Move to base class.
2090         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2091         function.
2092         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2093         function.
2094         * incremental.cc (Incremental_inputs::report_archive_begin):
2095         Use Library_base; call library's get_mtime; add incremental inputs
2096         entry before members.
2097         (class Unused_symbol_visitor): New class.
2098         (Incremental_inputs::report_archive_end): Use Library_base; use
2099         visitor class to record unused symbols; don't add incremental inputs
2100         entry after members.
2101         (Incremental_inputs::report_object): Use Library_base.
2102         * incremental.h
2103         (Incremental_archive_entry::Incremental_archive_entry): Remove
2104         unused Archive parameter.
2105         (Incremental_inputs::report_archive_begin): Use Library_base.
2106         (Incremental_inputs::report_archive_end): Likewise.
2107         (Incremental_inputs::report_object): Likewise.
2108         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2109         function.
2110         * object.h (Object::for_all_global_symbols): New function.
2111         (Object::do_for_all_global_symbols): New function.
2112         (Sized_relobj::do_for_all_global_symbols): New function.
2113         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2114         function.
2115         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2116         function.
2118 2011-03-27  Ian Lance Taylor  <iant@google.com>
2120         * archive.cc (Archive::interpret_header): Return -1 if something
2121         goes wrong.  Change callers accordingly.
2123 2011-03-25  Cary Coutant  <ccoutant@google.com>
2125         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2126         * testsuite/Makefile.in: Regenerate.
2128 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2130         * plugin.cc (get_view): New.
2131         (Plugin::load): Pass get_view to the plugin.
2132         (Plugin_manager::get_view): New.
2134 2011-03-21  Ian Lance Taylor  <iant@google.com>
2136         * testsuite/final_layout.sh: Rewrite to not use dc.
2137         * testsuite/relro_test.sh: Fail if dc is not present.
2139 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2141         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2142         Change == to -eq.
2143         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2144         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2145         Change == to -eq.
2146         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2147         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2149 2011-03-14  Ian Lance Taylor  <iant@google.com>
2151         * script-sections.cc (Sort_output_sections::script_compare):
2152         Rename from is_before, change return type.
2153         (Sort_output_sections::operator()): Adjust accordingly.
2155 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2157         PR gold/12572
2158         * testsuite/odr_violation2.cc: Add comment to make all error line
2159         numbers double digits.
2160         * testsuite/debug_msg.sh: Adjust expected errors.
2162 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2164         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2165         but mark earlier ones as non-canonical
2166         (offset_to_iterator): Update search target and example
2167         (do_addr2line): Return extra lines in a vector*
2168         (format_file_lineno): Extract from do_addr2line
2169         (one_addr2line): Add vector* out-param
2170         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2171         when a lineno entry appeared last for its instruction
2172         (Dwarf_line_info): Add vector* out-param
2173         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2174         * symtab.cc (Odr_violation_compare): Include the lineno in the
2175         comparison again.
2176         (linenos_from_loc): New. Combine the canonical line for an
2177         address with its other lines.
2178         (True_if_intersect): New. Helper functor to make
2179         std::set_intersection a query.
2180         (detect_odr_violations): Compare sets of lines instead of just
2181         one line for each function. This became less deterministic, but
2182         has fewer false positives.
2183         * symtab.h: Declarations.
2184         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2185         mix an optimized and non-optimized object in the same binary
2186         (odr_violation2.so): Same.
2187         * testsuite/Makefile.in: Regenerate from Makefile.am.
2188         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2189         * testsuite/debug_msg.sh: Update line numbers and add
2190         assertions.
2191         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2192         non-optimized context.
2193         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2194         isn't inlined, and use OdrDerived in an optimized context.
2195         * testsuite/odr_header1.h: Defines OdrDerived, where
2196         optimization will change the
2197         first-instruction-in-the-destructor's file and line number.
2198         * testsuite/odr_header2.h: Defines OdrBase.
2200 2011-03-09  Ian Lance Taylor  <iant@google.com>
2202         * fileread.cc (File_read::clear_views): Don't delete the whole
2203         file view.
2205 2011-03-08  Ian Lance Taylor  <iant@google.com>
2207         PR gold/12525
2208         * fileread.cc: #include <climits>.
2209         (GOLD_IOV_MAX): Define.
2210         (File_read::read_multiple): Limit number of entries by iov_max.
2211         * fileread.h (class File_read): Always set max_readv_entries to
2212         128.
2214 2011-03-07  Ian Lance Taylor  <iant@google.com>
2216         PR gold/12525
2217         * options.h (class General_options): Add -dy and -dn.
2219 2011-03-02  Cary Coutant  <ccoutant@google.com>
2221         * testsuite/script_test_9.t: Add TLS segment.
2223 2011-03-02  Simon Baldwin  <simonb@google.com>
2225         * configure.ac: Add check for gnu_indirect_function support in
2226         the toolchain building binutils.
2227         * configure: Rebuild.
2229 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2231         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2232         plugin only symbols.
2233         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2234         in plugin files as not needed in the symbol table.
2236 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2238         * output.cc (Output_section::add_input_section): Delay fill
2239         generation for section ordering.
2241 2011-02-09  Ian Lance Taylor  <iant@google.com>
2243         PR gold/12316
2244         * object.h (class Sized_relobj): Remove clear_local_symbols.
2245         * reloc.cc (Sized_relobj::do_relocate): Don't call
2246         clear_local_symbols.
2248 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2250         * plugin.cc (is_visible_from_outside): Return true for symbols
2251         in the -u option.
2253 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2255         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2256         filename.
2258 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2260         * icf.h (is_section_foldable_candidate): Change type of parameter
2261         to std::string.
2262         * icf.cc (Icf::find_identical_sections): Change type of local variable
2263         section_name to be std::string.
2264         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2266 2011-01-25  Ian Lance Taylor  <iant@google.com>
2268         * script.cc (script_add_extern): Rewrite to use
2269         add_symbol_reference.
2271 2011-01-25  Doug Kwan  <dougkwan@google.com>
2273         * icf.cc (get_section_contents): Always lock section's object.
2275 2011-01-24  Ian Lance Taylor  <iant@google.com>
2277         * options.h (class General_options): Accept
2278         --no-detect-odr-violations.
2280 2011-01-24  Ian Lance Taylor  <iant@google.com>
2282         * version.cc (version_string): Bump to 1.11.
2284 2011-01-24  Ian Lance Taylor  <iant@google.com>
2286         * plugin.cc (class Plugin_rescan): Define new class.
2287         (Plugin_manager::claim_file): Set any_claimed_.
2288         (Plugin_manager::save_archive): New function.
2289         (Plugin_manager::save_input_group): New function.
2290         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2291         necessary.
2292         (Plugin_manager::new_undefined_symbol): New function.
2293         (Plugin_manager::rescan): New function.
2294         (Plugin_manager::rescannable_defines): New function.
2295         (Plugin_manager::add_input_file): Set any_added_.
2296         * plugin.h (class Plugin_manager): define new fields rescannable_,
2297         undefined_symbols_, any_claimed_, and any_added_.  Declare
2298         Plugin_rescan as friend.  Declare new functions.
2299         (Plugin_manager::Rescannable): Define type.
2300         (Plugin_manager::Rescannable_list): Define type.
2301         (Plugin_manager::Undefined_symbol_list): Define type.
2302         (Plugin_manager::Plugin_manager): Initialize new fields.
2303         * archive.cc (Archive::defines_symbol): New function.
2304         (Add_archive_symbols::run): Pass archive to plugins if any.
2305         * archive.h (class Archive): Declare defines_symbol.
2306         * readsyms.cc (Input_group::~Input_group): New function.
2307         (Finish_group::run): Pass input_group to plugins if any.
2308         * readsyms.h (class Input_group): Declare destructor.
2309         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2310         any.
2312 2011-01-10  Ian Lance Taylor  <iant@google.com>
2314         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2315         section as relro.
2316         (Layout::set_segment_offsets): Reset increase_relro before calling
2317         set_section_addresses a second time.
2319 2011-01-04  Cary Coutant  <ccoutant@google.com>
2321         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2322         sections before NOBITS sections.
2324 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2326         * version.cc (print_version): Update copyright to 2011.
2328 2010-12-23  Cary Coutant  <ccoutant@google.com>
2330         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2331         of OS to this->add.  Add OD parameter to second form of the function.
2333 2010-12-20  Ian Lance Taylor  <iant@google.com>
2335         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2336         second of two consecutive entries with same offset.
2338 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2340         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2341         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2342         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2343         to avoid unneeded links against $(LDADD).
2344         * testsuite/Makefile.in: Regenerate.
2346 2010-12-15  Ian Lance Taylor  <iant@google.com>
2348         PR gold/12324
2349         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2350         for R_X86_64_32 and R_X86_64_PC32.
2351         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2352         ver_matching_def_pic.o.
2353         (ver_matching_def_pic.o): New target.
2355 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2357         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2358         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2359         Move definition before File_read::View member definitions.
2360         (File_read::View::~View): Initialize and hold lock before
2361         updating current_mapped_bytes.
2363 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2365         * dwarf_reader.cc: Remove outdated comment.
2366         * gold-threads.cc: Fix typo in error message.
2367         * archive.cc: Fix typos in comments.
2368         * archive.h: Likewise.
2369         * arm-reloc-property.cc: Likewise.
2370         * arm-reloc-property.h: Likewise.
2371         * arm-reloc.def: Likewise.
2372         * arm.cc: Likewise.
2373         * attributes.h: Likewise.
2374         * cref.cc: Likewise.
2375         * ehframe.cc: Likewise.
2376         * fileread.h: Likewise.
2377         * gold.h: Likewise.
2378         * i386.cc: Likewise.
2379         * icf.cc: Likewise.
2380         * incremental.h: Likewise.
2381         * int_encoding.cc: Likewise.
2382         * layout.h: Likewise.
2383         * main.cc: Likewise.
2384         * merge.h: Likewise.
2385         * object.cc: Likewise.
2386         * object.h: Likewise.
2387         * options.cc: Likewise.
2388         * readsyms.cc: Likewise.
2389         * reduced_debug_output.cc: Likewise.
2390         * reloc.cc: Likewise.
2391         * script-sections.cc: Likewise.
2392         * sparc.cc: Likewise.
2393         * symtab.h: Likewise.
2394         * target-reloc.h: Likewise.
2395         * target.cc: Likewise.
2396         * target.h: Likewise.
2397         * timer.cc: Likewise.
2398         * timer.h: Likewise.
2399         * x86_64.cc: Likewise.
2401 2010-12-09  Cary Coutant  <ccoutant@google.com>
2403         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2404         stack.
2405         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2406         parameter; change all callers.
2407         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2408         * options.h (warn_execstack): New option.
2410 2010-12-07  Doug Kwan  <dougkwan@google.com>
2412         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2413         like function call relocations.
2415 2010-12-07  Ian Lance Taylor  <iant@google.com>
2417         * archive.cc (Archive::get_elf_object_for_member): Permit
2418         punconfigured to be NULL.
2419         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2420         (Archive::include_member): Pass NULL to get_elf_object_for_member
2421         if we searched for the archive and this is the first included
2422         object.
2424 2010-12-01  Ian Lance Taylor  <iant@google.com>
2426         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2427         track_relocs_type_ field.
2428         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2429         Set track_relocs_type_.
2430         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2431         contents when using RELA relocs.
2432         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2433         reloc_map_.
2434         * reloc.cc (Track_relocs::next_addend): New function.
2435         * reloc.h (class Track_relocs): Declare next_addend.
2437 2010-12-01  Ian Lance Taylor  <iant@google.com>
2439         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2440         virtual destructor.
2442 2010-12-01  Ian Lance Taylor  <iant@google.com>
2444         * README: Update compilers known to work and fail.
2446 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2448         * configure.in: For --enable-gold, handle value `default' instead of
2449         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2450         not the default.
2451         * configure: Regenerate.
2453 2010-11-18  Doug Kwan  <dougkwan@google.com>
2455         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2456         and right_alignment to be zero.  Store result alignment only if it is
2457         greater than existing alignment.
2459 2010-11-16  Cary Coutant  <ccoutant@google.com>
2461         PR gold/12220
2462         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2463         Check for ".zdebug_line".
2465 2010-11-16  Doug Kwan  <dougkwan@google.com>
2466             Cary Coutant  <ccoutant@google.com>
2468         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2469         by reference; adjust all callers.
2470         * output.cc (Output_segment::set_section_addresses): Adjust references
2471         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2472         list is empty.
2473         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2474         end at page boundary.
2476 2010-11-16  Cary Coutant  <ccoutant@google.com>
2478         PR gold/12220
2479         * layout.cc (Layout::choose_output_section): Transform names of
2480         compressed sections even when using a script with a SECTIONS clause.
2481         (Layout::output_section_name): Remove code to transform
2482         compressed debug section names.
2483         * output.cc (Output_section::add_input_section): Use uncompressed
2484         section size when tracking input sections.
2486 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2488         * symtab.h (Symbol::NON_PIC_REF): Remove.
2489         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2490         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2491         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2492         (Symbol::use_plt_offset): Take a flags argument and pass it
2493         directly to needs_dynamic_reloc.  Restrict check for undefined
2494         weak symbols to function calls.
2495         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2496         (Target_arm::Scan::global): Use it.
2497         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2498         (Target_arm::Relocate::relocate): Likewise.
2499         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2500         parameter with an r_type parameter.  Use get_reference_flags
2501         to get the flags.
2502         (Target_arm::Relocate::relocate): Update accordingly.
2503         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2504         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2505         (Target_i386::Scan::global): Likewise.
2506         (Target_i386::Relocate::relocate): Likewise.
2507         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2508         parameter with an r_type parameter.  Use get_reference_flags
2509         to get the flags.
2510         (Target_i386::Relocate::relocate): Update accordingly.
2511         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2512         (Target_powerpc::Scan::global): Use it.
2513         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2514         (Target_powerpc::Relocate::relocate): Likewise.
2515         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2516         (Target_sparc::Scan::global): Use it.
2517         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2518         (Target_sparc::Relocate::relocate): Likewise.
2519         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2520         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2521         (Target_x86_64::Scan::global): Likewise.
2522         (Target_x86_64::Relocate::relocate): Likewise.
2524 2010-11-08  Doug Kwan  <dougkwan@google.com>
2525             Cary Coutant  <ccoutant@google.com>
2527         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2528         (Arm_exidx_merge_section::section_contents_): New data member.
2529         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2530         (Arm_input_section::~Arm_input_section): De-allocate memory.
2531         (Arm_input_section::original_contents_): New data member.       
2532         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2533         in parameters instead of calling Object::section_contents without
2534         locking.
2535         (Arm_output_section::group_section): New parameter TASK.  Pass it
2536         to callees that need locking objects.
2537         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2538         to lock EXIDX input sections.  Fix a formatting issue.  Call
2539         Arm_exidx_merged_section::build_contents to create merged section
2540         contents.
2541         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2542         to lock object of stub table owner.
2543         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2544         TEXT_SIZE to initialize data member TEXT_SIZE_.
2545         (Arm_exidx_input_section::addralign): Fix typo in comment.
2546         (Arm_exidx_input_section::text_size): New method.
2547         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2548         that require locking objects.  Lock objects before scanning for stubs
2549         and updating local symbols.
2550         (Arm_input_section<big_endian>::init): Copy contents of original
2551         input section.
2552         (Arm_input_section<big_endian>::do_write): Use saved contents of
2553         original input section instead of calling Object::section_contents
2554         without locking.
2555         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2556         size without calling Object::section_size().
2557         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2558         for size.  Allocate a buffer for merged EXIDX entries.
2559         (Arm_exidx_merged_section::build_contents): New method.
2560         (Arm_exidx_merged_section::do_write): Move merge section contents
2561         building code to Arm_exidx_merged_section::build_contetns.  Write
2562         out contetns in buffer instead of building it on the fly.
2563         (Arm_relobj::make_exidx_input_section): Also pass text section size
2564         to Arm_exidx_input_section constructor.
2565         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2566         (Arm_dynobj::do_read_symbols): Fix memory leak.
2567         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2568         * target.h: (class Task): Add forward declaration.
2569         (Target::relax): Add new parameter TASK and pass it to
2570         Target::do_relax().
2571         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2573 2010-11-05  Cary Coutant  <ccoutant@google.com>
2575         PR gold/10708
2576         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2577         object when reading from the file.
2578         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2579         second layout pass.
2580         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2581         when reading section contents.
2582         (get_section_contents): Likewise.
2583         (icf::find_identical_sections): Likewise.
2584         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2585         object when reading from the file.
2586         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2587         the object when doing deferred section layout.
2589 2010-11-03  Nick Clifton  <nickc@redhat.com>
2591         PR gold/12001
2592         * script.h (class Symbol_assignment: name): New member.  Returns
2593         the name of the symbol.
2594         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2595         Returns true if the given symbol name is on the list of
2596         assignments wating to be processed.
2597         * archive.cc (should_incldue_member): If the symbol is undefined,
2598         check to see if it is on the list of symbols pending assignment.
2600 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2602         * script-sections.cc (Script_sections::find_memory_region): Check
2603         for a NULL output section pointer.
2605 2010-10-29  Doug Kwan  <dougkwan@google.com>
2607         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2608         Output_section::add_relaxed_input_section.
2609         * output.cc (Output_section::add_relaxed_input_section): Add new
2610         arguments LAYOUT and NAME.  Set section order index.
2611         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2612         Copy section order index.
2613         * output.h (Output_section::add_relaxed_input_section): Add new
2614         arguments LAYOUT and NAME.
2616 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2618         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2619         NATIVE_OR_CROSS_LINKER.
2620         * testsuite/Makefile.in: Regenerate.
2622 2010-10-20  Doug Kwan  <dougkwan@google.com>
2624         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2625         without SHF_LINK_ORDER flags.
2626         * layout.cc (Layout::choose_output_section): Do not filter
2627         SHF_LINK_ORDER flag in a relocatable link.
2629 2010-10-17  Cary Coutant  <ccoutant@google.com>
2631         * output.h (Output_segment::set_section_addresses): Change function
2632         signature.  Update all callers.
2633         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2634         sections.
2635         (Output_segment::set_section_addresses): Align after last TLS
2636         section.  Add padding before last relro section instead of after.
2638 2010-10-17  Doug Kwan  <dougkwan@google.com>
2640         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2641         GOT output section to be writable.
2643 2010-10-14  Cary Coutant  <ccoutant@google.com>
2645         * debug.h (DEBUG_INCREMENTAL): New flag.
2646         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2647         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2648         mode.
2649         * incremental.cc (report_command_line): Ignore all forms of
2650         --incremental.
2651         * layout.cc (Layout::Layout): Check parameters for incremental link
2652         mode.
2653         * options.cc (General_options::parse_incremental): New function.
2654         (General_options::parse_no_incremental): New function.
2655         (General_options::parse_incremental_full): New function.
2656         (General_options::parse_incremental_update): New function.
2657         (General_options::incremental_mode_): New data member.
2658         (General_options::finalize): Check incremental_mode_.
2659         * options.h (General_options): Update help text for --incremental.
2660         Add --no-incremental, --incremental-full, --incremental-update.
2661         (General_options::Incremental_mode): New enum type.
2662         (General_options::incremental_mode): New function.
2663         (General_options::incremental_mode_): New data member.
2664         * parameters.cc (Parameters::incremental_mode_): New data member.
2665         (Parameters::set_options): Set incremental_mode_.
2666         (Parameters::set_incremental_full): New function.
2667         (Parameters::incremental): New function.
2668         (Parameters::incremental_update): New function.
2669         (set_parameters_incremental_full): New function.
2670         * parameters.h (Parameters::set_incremental_full): New function.
2671         (Parameters::incremental): New function.
2672         (Parameters::incremental_update): New function.
2673         (Parameters::incremental_mode_): New data member.
2674         (set_parameters_incremental_full): New function.
2675         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2676         incremental link mode.
2677         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2678         (Sized_relobj::do_relocate_sections): Likewise.
2679         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2680         option.
2681         * testsuite/Makefile.in: Regenerate.
2682         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2684 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2686         * script-sections.h (class Script_sections): Make
2687         Sections_elements typedef public.
2688         * script-sections.cc (class Sort_output_sections): Add elements_
2689         field.  Add constructor which sets it; change all callers.
2690         (Sort_output_sections::is_before): New function.
2691         (Sort_output_sections::operator()): Call is_before.
2692         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2693         conditional.
2694         * testsuite/script_test_10.sh: New test. Test script section
2695         order.
2696         * testsuite/script_test_10.t: Likewise.
2697         * testsuite/script_test_10.s: Likewise.
2698         * testsuite/Makefile.am: Wrap the cross linker tests and the
2699         common tests into NATIVE_OR_CROSS_LINKER.
2700         (check_SCRIPTS): Add script_test_10.sh.
2701         (check_DATA): Add script_test_10.stdout.
2702         (script_test_10.o, script_test_10): New targets.
2703         (script_test_10.stdout): New target.
2704         * configure, testsuite/Makefile.in: Regenerate.
2706 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2708         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2709         error for the deprecated relocations.
2710         (Target_arm::Scan::global): Likewise.
2711         (Target_arm::Relocate::relocate): Likewise.
2713 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2715         * fileread.cc (Input_file::find_file): Initialize *found_name
2716         and *namep when using the fallback search for case 4.
2718 2010-10-11  Cary Coutant  <ccoutant@google.com>
2720         * options.h (class General_options): Redefine -z lazy as an alias for
2721         the negation of -z now.
2723 2010-10-11  Ian Lance Taylor  <iant@google.com>
2725         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2726         binding.
2728 2010-10-06  Nick Clifton  <nickc@redhat.com>
2730         * script-sections.cc(class Memory_region): Remove
2731         current_lma_offset_ field.  Rename current_vma_offset_ to
2732         current_offset_.  Add last_section_ field.
2733         (Memory_region::get_current_vma_address): Rename to
2734         get_current_address.
2735         (Memory_region::get_current_lma_address): Delete.
2736         (Memory_region::increment_vma_offset): Rename to
2737         increment_offset.
2738         (Memory_region::increment_lma_offset): Delete.
2739         (Memory_region::attributes_compatible): New method.  Returns
2740         true if the provided section is compatible with the region.
2741         (Memory_region::get_last_section): New method.  Returns the last
2742         section to use the region.
2743         (Memory_region::set_last_section): New method.  Stores the last
2744         section to use the region.
2745         (Script_sections::block_in_region): New method.  Returns true if
2746         a block of memory is contained within a region.
2747         (Script_sections::find_memory_region): New method.  Locates a
2748         memory region to be used to set a VMA or LMA address.
2749         (Output_section_definition::set_section_addresses): Add code to
2750         check for addresses set by memory regions.
2751         (Output_segment::set_section_addresses): Remove memory region
2752         walking code.
2753         (Script_sections::create_segment): Add a warning if a header
2754         segment is created outside of any region.
2755         * script-sections.h (class Script_sections): Add prototypes for
2756         find_memory_region and block_in_region methods.
2757         * testsuite/memory_test.s: Use .long instead of .word.
2758         * testsuite/memory_test.t: Add some more output sections.
2759         * testsuite/memory_test.sh: Update expected output.
2761 2010-10-02  Doug Kwan  <dougkwan@google.com>
2763         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2764         defintion to symtab.h
2765         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2766         declaration to defintion.
2768 2010-10-01  Nick Clifton  <nickc@redhat.com>
2770         * expression.cc (eval): Replace dummy argument with NULL.
2771         (eval_maybe_dot): Check for a NULL result section pointer.
2772         (Symbol_expression::value): Likewise.
2773         (Dot_expression::value): Likewise.
2774         (BINARY_EXPRESSION): Likewise.
2775         (Max_expression::value): Likewise.
2776         (Min_expression::value): Likewise.
2777         (Absolute_expression::value): Likewise.
2778         (Addr_expression::value_from_output_section): Likewise.
2779         (Loaddddr_expression::value_from_output_section): Likewise.
2780         (Segment_start_expression::value): Likewise.
2781         * script-sections.cc
2782         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2783         argument with NULL.
2784         (Sections_elememt_dot_assignment::set_section_addresses):
2785         Likewise.
2786         (Output_data_expression::do_write_to_buffer): Likewise.
2787         (Output_section_definition::finalize_symbols): Likewise.
2788         (Output_section_definition::set_section_addresses): Likewise.
2790 2010-09-30  Doug Kwan  <dougkwan@google.com>
2792         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2794 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2796         * target.h (Target::can_icf_inline_merge_sections): New virtual
2797         function.
2798         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2799         virtual function.
2800         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2801         virtual function.
2802         * icf.cc (get_section_contents): Inline merge sections only when
2803         target allows it.
2805 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2807         * configure: Regenerate.
2809 2010-09-17  Ian Lance Taylor  <iant@google.com>
2811         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2812         * testsuite/Makefile.am (memory_test.o): New target.
2813         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2814         memory_test.t.
2815         * testsuite/Makefile.in: Rebuild.
2817 2010-09-17  Doug Kwan  <dougkwan@google.com>
2819         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2820         defintion if relocation uses GOT entries of the symbol.
2821         * testsuite/icf_safe_test.sh: Fix test.
2822         * testsuite/icf_safe_so_test.sh: Fix test.
2824 2010-09-16  Cary Coutant  <ccoutant@google.com>
2826         * script_sections.cc (class Memory_region): Remove "NULL" from
2827         vector initializations.
2829 2010-09-15  Cary Coutant  <ccoutant@google.com>
2831         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2832         Resolve forwarding symbols.
2834 2010-09-15  Doug Kwan  <dougkwan@google.com>
2836         * gold/testsuite/script_test_3.t: Add ARM special sections.
2837         * gold/testsuite/script_test_4.t: Same.
2838         * gold/testsuite/script_test_5.t: Same.
2839         * gold/testsuite/script_test_6.t: Same.
2840         * gold/testsuite/script_test_7.t: Same.
2841         * gold/testsuite/script_test_7.t: Same.
2842         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2844 2010-09-14  Cary Coutant  <ccoutant@google.com>
2846         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2847         (Target_x86_64::Relocate::relocate_tls): Replace check for
2848         saw_tls_block_reloc_ with test for executable section.
2850 2010-09-12  Cary Coutant  <ccoutant@google.com>
2852         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2853         position-independent executables to shared libraries need dynamic
2854         relocations.
2855         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2856         position-independent executables.
2857         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2858         * testsuite/Makefile.in: Regenerate.
2860 2010-09-10  Nick Clifton  <nickc@redhat.com>
2862         PR gold/11997
2863         * testsuite/memory_test.t: Discard any sections that are not
2864         needed.
2866 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2868         PR gold/11996
2869         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2870         "This::" to work around a bug in gcc 4.2.
2872         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2874 2010-09-09  Rafael Espindola  <espindola@google.com>
2876         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2877         sections with different PF_X flags in the same segment.
2878         (Layout::find_first_load_seg): Search all segments to find the first
2879         one.
2880         * options.h (rosegment): New.
2882 2010-09-08  Rafael Espindola  <espindola@google.com>
2884         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2886 2010-09-08  Doug Kwan  <dougkwan@google.com>
2888         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2889         (Arm_relobj::do_relocate_sections): Add new parameter for output
2890         file to match the parent.
2891         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2892         of local symbols instead of input values.  Update code to track
2893         changes in gold::relocate_section.
2894         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2895         (Sized_relobj::compute_final_local_value_internal): New methods.
2896         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2897         body into private version of Sized_relobj::compute_final_local_value.
2898         Call the inline method.
2899         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2900         merged symbol value if there is one.
2901         (Symbol_value::has_output_value): New method defintiion.
2902         (Sized_relobj::Compute_final_local_value_status): New enum type.
2903         (Sized_relobj::compute_final_local_value): New methods.
2904         (Sized_relobj::compute_final_local_value_internal): New methods.
2905         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2906         and arm_cortex_a8.sh.
2907         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2908         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2909         New tests.
2910         * Makefile.in: Regenerate.
2911         * testsuite/arm_bl_out_of_range.s: Update test.
2912         * testsuite/thumb_bl_out_of_range.s: Ditto.
2913         * testsuite/thumb_blx_out_of_range.s: Ditto.
2914         * testsuite/arm_branch_out_of_range.sh: New file.
2915         * testsuite/arm_cortex_a8.sh: Ditto.
2916         * testsuite/arm_cortex_a8_b.s: Ditto.
2917         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2918         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2919         * testsuite/arm_cortex_a8_bl.s: Ditto.
2920         * testsuite/arm_cortex_a8_blx.s: Ditto.
2921         * testsuite/arm_cortex_a8_local.s: Ditto.
2922         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2923         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2925 2010-09-08  Rafael Espindola  <espindola@google.com>
2927         * Makefile.am (memory_test.stdout): Run readelf with -W.
2928         * Makefile.in: Regenerate.
2929         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2930         64 bit output.
2932 2010-09-08  Rafael Espindola  <espindola@google.com>
2934         * script-sections.cc (Script_sections::add_memory_region): Convert
2935         field precision to int.
2936         * script.cc (script_set_section_region, script_set_section_region):
2937         Convert field precision to int.
2939 2010-09-08  Rafael Espindola  <espindola@google.com>
2941         * arm.cc (do_finalize_sections): Create the __exidx_start and
2942         __exdix_end symbols even when the section is missing.
2944 2010-09-08  Nick Clifton  <nickc@redhat.com>
2946         * README: Remove claim that MEMORY is not supported.
2947         * expression.cc (script_exp_function_origin)
2948         (script_exp_function_length): Move from here to ...
2949         * script.cc: ... here.
2950         (script_set_section_region, script_add_memory)
2951         (script_parse_memory_attr, script_include_directive): New
2952         functions.
2953         * script-sections.cc
2954         (class Memory_region): New class.
2955         (class Output_section_definition): Add set_memory_region,
2956         set_section_vma, set_section_lma and get_section_name methods.
2957         (class Script_Sections): Add add_memory_region,
2958         find_memory_region, find_memory_region_origin,
2959         find_memory_region_length and set_memory_region methods.
2960         Have set_section_addresses method walk the list of set memory
2961         regions.
2962         Extend the print methos to display memory regions.
2963         * script-sections.h: Add prototypes for new methods.
2964         Add enum for MEMORY region attributes.
2965         * yyscript.y: Add support for parsing MEMORY regions.
2966         * script-c.h: Add prototypes for new functions.
2967         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2968         * testsuite/Makefile.in: Regenerate.
2969         * testsuite/memory_test.sh: New script.
2970         * testsuite/memory_test.s: New assembler source file.
2971         * testsuite/memory_test.t: New linker script.
2973 2010-08-27  Doug Kwan  <dougkwan@google.com>
2975         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2976         reference override an existing dynamic weak reference.
2977         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2978         * testsuite/Makefile.in: Regenerate.
2979         * testsuite/dyn_weak_ref.sh: New file.
2980         * testsuite/dyn_weak_ref_1.c: Ditto.
2981         * testsuite/dyn_weak_ref_2.c: Ditto.
2983 2010-08-27  Ian Lance Taylor  <iant@google.com>
2985         * incremental.h (class Incremental_input_entry): Add virtual
2986         destructor.
2988 2010-08-27  Ian Lance Taylor  <iant@google.com>
2990         * testsuite/start_lib_test_3.c: Mark t3 as used.
2992 2010-08-27  Nick Clifton  <nickc@redhat.com>
2994         * options.cc (version_script): Fix small typo in previous
2995         whitespace tidyup.
2997 2010-08-25  Nick Clifton  <nickc@redhat.com>
2999         * archive.cc: Formatting fixes: Remove whitespace between
3000         typename and following asterisk.  Remove whitespace between
3001         function name and opening parenthesis.
3002         * archive.h: Likewise.
3003         * arm.cc: Likewise.
3004         * attributes.cc: Likewise.
3005         * attributes.h: Likewise.
3006         * common.cc: Likewise.
3007         * copy-relocs.cc: Likewise.
3008         * dirsearch.h: Likewise.
3009         * dynobj.cc: Likewise.
3010         * ehframe.cc: Likewise.
3011         * ehframe.h: Likewise.
3012         * expression.cc: Likewise.
3013         * fileread.cc: Likewise.
3014         * fileread.h: Likewise.
3015         * gc.h: Likewise.
3016         * gold-threads.cc: Likewise.
3017         * gold.cc: Likewise.
3018         * i386.cc: Likewise.
3019         * icf.h: Likewise.
3020         * incremental-dump.cc: Likewise.
3021         * incremental.cc: Likewise.
3022         * layout.cc: Likewise.
3023         * layout.h: Likewise.
3024         * main.cc: Likewise.
3025         * merge.cc: Likewise.
3026         * merge.h: Likewise.
3027         * object.cc: Likewise.
3028         * object.h: Likewise.
3029         * options.cc: Likewise.
3030         * options.h: Likewise.
3031         * output.cc: Likewise.
3032         * output.h: Likewise.
3033         * plugin.cc: Likewise.
3034         * plugin.h: Likewise.
3035         * powerpc.cc: Likewise.
3036         * reloc.cc: Likewise.
3037         * script-c.h: Likewise.
3038         * script-sections.cc: Likewise.
3039         * script.cc: Likewise.
3040         * stringpool.cc: Likewise.
3041         * symtab.cc: Likewise.
3042         * symtab.h: Likewise.
3043         * target.cc: Likewise.
3044         * timer.cc: Likewise.
3045         * timer.h: Likewise.
3046         * version.cc: Likewise.
3047         * x86_64.cc: Likewise.
3049 2010-08-24  Nick Clifton  <nickc@redhat.com>
3051         PR 11899
3052         * layout.cc (segment_precedes): Sort segments by their physical
3053         addresses, if they have been set.
3055 2010-08-23  Cary Coutant  <ccoutant@google.com>
3057         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3058         symbols data.
3059         (Lib_group::include_member): Unlock object after deleting its
3060         symbols data.
3061         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3062         the bug fixed here.
3064 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3065             Cary Coutant  <ccoutant@google.com>
3067         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3068         constructor, and set_blocker.
3069         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3070         readsyms_blocker_.
3071         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3072         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3073         * testsuite/Makefile.am (start_lib_test): New test case.
3074         * testsuite/Makefile.in: Regenerate.
3075         * testsuite/start_lib_test_main.c: New file.
3076         * testsuite/start_lib_test_1.c: New file.
3077         * testsuite/start_lib_test_2.c: New file.
3078         * testsuite/start_lib_test_3.c: New file.
3080 2010-08-19  Ian Lance Taylor  <iant@google.com>
3082         * Makefile.in: Rebuild with automake 1.11.1.
3083         * aclocal.m4: Likewise.
3084         * testsuite/Makefile.in: Likewise.
3086 2010-08-19  Ian Lance Taylor  <iant@google.com>
3088         PR 10893
3089         * i386.cc (class Output_data_plt_i386): Update declarations.
3090         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3091         local_ifuncs_ fields.
3092         (Target_i386::do_plt_section_for_global): New function.
3093         (Target_i386::do_plt_section_for_local): New function.
3094         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3095         parameter; change all callers.  Initialize global_ifuncs_ and
3096         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3097         __rel_iplt_end.
3098         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3099         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3100         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3101         symbols.
3102         (Target_i386::make_plt_section): New function, broken out of
3103         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3104         (Target_i386::make_plt_entry): Call make_plt_section.
3105         (Target_i386::make_local_ifunc_plt_entry): New function.
3106         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3107         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3108         R_386_IRELATIVE to switch.
3109         (Target_i386::Scan::global): Likewise.
3110         (Target_i386::Relocate::relocate): Likewise.
3111         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3112         switch.
3113         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3114         (Target_x86_64::do_plt_section_for_global): New function.
3115         (Target_x86_64::do_plt_section_for_local): New function.
3116         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3117         parameter; change all callers.  If doing a static link define
3118         __rela_iplt_start and __rela_iplt_end.
3119         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3120         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3121         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3122         to point to .plt.
3123         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3124         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3125         switch.
3126         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3127         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3128         R_X86_64_IRELATIVE to switch.
3129         (Target_x86_64::Scan::global): Likewise.
3130         (Target_x86_64::Relocate::relocate): Likewise.
3131         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3132         switch.
3133         * target.h (class Target): Add plt_section_for_global and
3134         plt_section_for_local functions.  Add do_plt_section_for_global
3135         and do_plt_section_for_local virtual functions.
3136         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3137         clarifying comments.
3138         (Symbol::use_plt_offset): Handle IFUNC symbol.
3139         * object.cc (Sized_relobj::Sized_relobj): Initialize
3140         local_plt_offsets_.
3141         (Sized_relobj::local_has_plt_offset): New function.
3142         (Sized_relobj::local_plt_offset): New function.
3143         (Sized_relobj::set_local_plt_offset): New function.
3144         (Sized_relobj::do_count): Handle IFUNC symbol.
3145         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3146         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3147         is_ifunc_symbol functions.
3148         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3149         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3150         local_plt_offsets_ field.
3151         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3152         * output.h (class Output_section_data): Add non-const
3153         output_section function.
3154         (class Output_data_got): Update declarations.
3155         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3156         Add use_plt_offset parameter to global and local constructors.
3157         Change all callers.  Change local_sym_index_ field to 31 bits.
3158         Change GSYM_CODE and CONSTANT_CODE accordingly.
3159         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3160         doing a static link don't set sh_link field.
3161         (Output_data_got::Got_entry::write): Use PLT offset if
3162         appropriate.
3163         (Output_data_got::add_global_plt): New function.
3164         (Output_data_got::add_local_plt): New function.
3165         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3166         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3167         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3168         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3169         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3170         IFUNC conditional.
3171         * testsuite/ifunc-sel.h: New file.
3172         * testsuite/ifuncmain1.c: New file.
3173         * testsuite/ifuncmain1vis.c: New file.
3174         * testsuite/ifuncmod1.c: New file.
3175         * testsuite/ifuncdep2.c: New file.
3176         * testsuite/ifuncmain2.c: New file.
3177         * testsuite/ifuncmain3.c: New file.
3178         * testsuite/ifuncmod3.c: New file.
3179         * testsuite/ifuncmain4.c: New file.
3180         * testsuite/ifuncmain5.c: New file.
3181         * testsuite/ifuncmod5.c: New file.
3182         * testsuite/ifuncmain6pie.c: New file.
3183         * testsuite/ifuncmod6.c: New file.
3184         * testsuite/ifuncmain7.c: New file.
3185         * configure, testsuite/Makefile.in: Rebuild.
3187 2010-08-18  Ian Lance Taylor  <iant@google.com>
3189         * incremental.cc
3190         (Output_section_incremental_inputs::write_input_files): Add cast
3191         to avoid signed/unsigned comparison warning.
3192         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3194 2010-08-12  Cary Coutant  <ccoutant@google.com>
3196         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3198 2010-08-13  Ian Lance Taylor  <iant@google.com>
3200         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3202 2010-08-12  Cary Coutant  <ccoutant@google.com>
3203             Doug Kwan  <dougkwan@google.com>
3205         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3206         defintion overrides non-weak undef, remember that the original undef
3207         is not weak.
3208         * symtab.cc (Symbol_table::sized_write_global): For undef without
3209         an original weak binding, set binding to global in output.
3210         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3211         * testsuite/Makefile.in: Regenerate.
3212         * testsuite/strong_ref_weak_def.sh: New file.
3213         * testsuite/strong_ref_weak_def_1.c: Ditto.
3214         * testsuite/strong_ref_weak_def_2.c: Ditto.
3216 2010-08-12  Cary Coutant  <ccoutant@google.com>
3218         * testsuite/incremental_test.sh: Rewrite.
3219         * testsuite/incremental_test_1.c: Rewrite.
3220         * testsuite/incremental_test_2.c: Rewrite.
3222 2010-08-12  Cary Coutant  <ccoutant@google.com>
3224         * arm.cc (Target_arm::got_size): Add const.
3225         (Target_arm::got_entry_count): New function.
3226         (Target_arm::plt_entry_count): New function.
3227         (Target_arm::first_plt_entry_offset): New function.
3228         (Target_arm::plt_entry_size): New function.
3229         (Output_data_plt_arm::entry_count): New function.
3230         (Output_data_plt_arm::first_plt_entry_offset): New function.
3231         (Output_data_plt_arm::get_plt_entry_size): New function.
3232         * i386.cc (Target_i386::got_size): Add const.
3233         (Target_i386::got_entry_count): New function.
3234         (Target_i386::plt_entry_count): New function.
3235         (Target_i386::first_plt_entry_offset): New function.
3236         (Target_i386::plt_entry_size): New function.
3237         (Output_data_plt_i386::entry_count): New function.
3238         (Output_data_plt_i386::first_plt_entry_offset): New function.
3239         (Output_data_plt_i386::get_plt_entry_size): New function.
3240         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3241         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3242         * incremental.cc: Include target.h.
3243         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3244         parameter.  Adjust all callers.  Find incremental_got_plt section.
3245         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3246         section.
3247         (Output_section_incremental_inputs::set_final_data_size): Calculate
3248         size of incremental_got_plt section.
3249         (Output_section_incremental_inputs::do_write): Write the
3250         incremental_got_plt section.
3251         (Got_plt_view_info): New struct.
3252         (Local_got_offset_visitor): New class.
3253         (Global_got_offset_visitor): New class.
3254         (Global_symbol_visitor_got_plt): New class.
3255         (Output_section_incremental_inputs::write_got_plt): New function.
3256         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3257         Add parameter.  Adjust all callers.
3258         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3259         (Incremental_inputs::got_plt_section): New function.
3260         (Incremental_inputs::got_plt_section_): New data member.
3261         (Incremental_got_plt_reader): New class.
3262         * layout.cc (Layout::create_incremental_info_sections): Add the
3263         incremental_got_plt section.
3264         * object.h (Got_offset_list::get_list): New function.
3265         (Got offset_list::for_all_got_offsets): New function.
3266         (Sized_relobj::local_got_offset_list): New function.
3267         * powerpc.cc (Target_powerpc::got_size): Add const.
3268         (Target_powerpc::got_entry_count): New function.
3269         (Target_powerpc::plt_entry_count): New function.
3270         (Target_powerpc::first_plt_entry_offset): New function.
3271         (Target_powerpc::plt_entry_size): New function.
3272         (Output_data_plt_powerpc::entry_count): New function.
3273         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3274         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3275         * sparc.cc (Target_sparc::got_size): Add const.
3276         (Target_sparc::got_entry_count): New function.
3277         (Target_sparc::plt_entry_count): New function.
3278         (Target_sparc::first_plt_entry_offset): New function.
3279         (Target_sparc::plt_entry_size): New function.
3280         (Output_data_plt_sparc::entry_count): New function.
3281         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3282         (Output_data_plt_sparc::get_plt_entry_size): New function.
3283         * symtab.h (Symbol::got_offset_list): New function.
3284         (Symbol_table::for_all_symbols): New function.
3285         * target.h (Sized_target::got_entry_count): New function.
3286         (Sized_target::plt_entry_count): New function.
3287         (Sized_target::plt_entry_size): New function.
3288         * x86_64.cc (Target_x86_64::got_size): Add const.
3289         (Target_x86_64::got_entry_count): New function.
3290         (Target_x86_64::plt_entry_count): New function.
3291         (Target_x86_64::first_plt_entry_offset): New function.
3292         (Target_x86_64::plt_entry_size): New function.
3293         (Output_data_plt_x86_64::entry_count): New function.
3294         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3295         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3297 2010-08-12  Cary Coutant  <ccoutant@google.com>
3299         * archive.cc: Include incremental.h.
3300         (Archive::Archive): Initialize incremental_info_.
3301         (Archive::include_member): Record archive members in incremental info.
3302         (Add_archive_symbols::run): Record begin and end of an archive in
3303         incremental info.
3304         (Lib_group::include_member): Record objects in incremental info.
3305         * archive.h (Incremental_archive_entry): Forward declaration.
3306         (Archive::set_incremental_info): New member function.
3307         (Archive::incremental_info): New member function.
3308         (Archive::Unused_symbol_iterator): New class.
3309         (Archive::unused_symbols_begin): New member function.
3310         (Archive::unused_symbols_end): New member function.
3311         (Archive::incremental_info_): New data member.
3312         * incremental-dump.cc (find_input_containing_global): New function.
3313         (dump_incremental_inputs): Dump new incremental info sections.
3314         * incremental.cc: Include symtab.h.
3315         (Output_section_incremental_inputs): New class.
3316         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3317         new incremental info sections.
3318         (Sized_incremental_binary::do_check_inputs): Likewise.
3319         (Incremental_inputs::report_archive): Remove.
3320         (Incremental_inputs::report_archive_begin): New function.
3321         (Incremental_inputs::report_archive_end): New function.
3322         (Incremental_inputs::report_object): New function.
3323         (Incremental_inputs::finalize_inputs): Remove.
3324         (Incremental_inputs::report_input_section): New function.
3325         (Incremental_inputs::report_script): Rewrite.
3326         (Incremental_inputs::finalize): Do nothing but finalize string table.
3327         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3328         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3329         (Incremental_inputs::create_data_sections): New function.
3330         (Incremental_inputs::relocs_entsize): New function.
3331         (Output_section_incremental_inputs::set_final_data_size): New function.
3332         (Output_section_incremental_inputs::do_write): New function.
3333         (Output_section_incremental_inputs::write_header): New function.
3334         (Output_section_incremental_inputs::write_input_files): New function.
3335         (Output_section_incremental_inputs::write_info_blocks): New function.
3336         (Output_section_incremental_inputs::write_symtab): New function.
3337         * incremental.h (Incremental_script_entry): Forward declaration.
3338         (Incremental_object_entry): Forward declaration.
3339         (Incremental_archive_entry): Forward declaration.
3340         (Incremental_inputs): Forward declaration.
3341         (Incremental_inputs_header_data): Remove.
3342         (Incremental_inputs_header): Remove.
3343         (Incremental_inputs_header_write): Remove.
3344         (Incremental_inputs_entry_data): Remove.
3345         (Incremental_inputs_entry): Remove.
3346         (Incremental_inputs_entry_write): Remove.
3347         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3348         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3349         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3350         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3351         Likewise.
3352         (Incremental_input_entry): New class.
3353         (Incremental_script_entry): New class.
3354         (Incremental_object_entry): New class.
3355         (Incremental_archive_entry): New class.
3356         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3357         (Incremental_inputs::report_inputs): Remove.
3358         (Incremental_inputs::report_archive): Remove.
3359         (Incremental_inputs::report_archive_begin): New function.
3360         (Incremental_inputs::report_archive_end): New function.
3361         (Incremental_inputs::report_object): Change prototype.
3362         (Incremental_inputs::report_input_section): New function.
3363         (Incremental_inputs::report_script): Change prototype.
3364         (Incremental_inputs::get_reloc_count): New function.
3365         (Incremental_inputs::set_reloc_count): New function.
3366         (Incremental_inputs::create_data_sections): New function.
3367         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3368         (Incremental_inputs::inputs_section): New function.
3369         (Incremental_inputs::symtab_section): New function.
3370         (Incremental_inputs::relocs_section): New function.
3371         (Incremental_inputs::get_stringpool): Add const.
3372         (Incremental_inputs::command_line): Add const.
3373         (Incremental_inputs::inputs): Remove.
3374         (Incremental_inputs::command_line_key): New function.
3375         (Incremental_inputs::input_file_count): New function.
3376         (Incremental_inputs::input_files): New function.
3377         (Incremental_inputs::relocs_entsize): New function.
3378         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3379         (Incremental_inputs::finalize_inputs): Remove.
3380         (Incremental_inputs::Input_info): Remove.
3381         (Incremental_inputs::lock_): Remove.
3382         (Incremental_inputs::inputs_): Change type.
3383         (Incremental_inputs::inputs_map_): Remove.
3384         (Incremental_inputs::current_object_entry_): New data member.
3385         (Incremental_inputs::inputs_section_): New data member.
3386         (Incremental_inputs::symtab_section_): New data member.
3387         (Incremental_inputs::relocs_section_): New data member.
3388         (Incremental_inputs::reloc_count_): New data member.
3389         (Incremental_inputs_reader): New class.
3390         (Incremental_symtab_reader): New class.
3391         (Incremental_relocs_reader): New class.
3392         * layout.cc (Layout::finalize): Move finalization of incremental info
3393         and creation of incremental info sections to follow finalization of
3394         symbol table.  Set offsets for postprocessing sections.
3395         (Layout::create_incremental_info_sections): Call
3396         Incremental_inputs::create_data_sections.  Add incremental symtab
3397         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3398         sections to layout after input sections.
3399         * layout.h (struct Timespec): Forward declaration.
3400         (Layout::incremental_inputs): Add const.
3401         (Layout::create_incremental_info_sections): Add parameter.
3402         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3403         * object.cc: Include incremental.h.
3404         (Relobj::finalize_incremental_relocs): New function.
3405         (Sized_relobj::do_layout): Record input sections in incremental info.
3406         * object.h (Object::output_section): New function.
3407         (Object::output_section_offset): Moved from Relobj.
3408         (Object::get_incremental_reloc_base): New function.
3409         (Object::get_incremental_reloc_count): New function.
3410         (Object::do_output_section): New function.
3411         (Object::do_output_section_offset): Moved from Relobj.
3412         (Object::do_get_incremental_reloc_base): New function.
3413         (Object::do_get_incremental_reloc_count): New function.
3414         (Object::Object): Initialize new data members.
3415         (Relobj::output_section): Renamed do_output_section and moved to
3416         protected.
3417         (Relobj::output_section_offset): Moved to Object.
3418         (Relobj::do_get_incremental_reloc_base): New function.
3419         (Relobj::do_get_incremental_reloc_count): New function.
3420         (Relobj::allocate_incremental_reloc_counts): New function.
3421         (Relobj::count_incremental_reloc): New function.
3422         (Relobj::finalize_incremental_relocs): New function.
3423         (Relobj::next_incremental_reloc_index): New function.
3424         (Relobj::reloc_counts_): New data member.
3425         (Relobj::reloc_bases_): New data member.
3426         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3427         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3428         (Sized_relobj::incremental_relocs_scan): New function.
3429         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3430         (Sized_relobj::incremental_relocs_write): New function.
3431         (Sized_relobj::incremental_relocs_write_reltype): New function.
3432         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3433         incremental link.
3434         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3435         archives and object files elsewhere.
3436         (Add_symbols::run): Report object files here.
3437         (Finish_group::run): Report end of archive at end of group.
3438         * reloc.cc: Include layout.h, incremental.h.
3439         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3440         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3441         (Sized_relobj::incremental_relocs_scan): New function.
3442         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3443         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3444         (Sized_relobj::incremental_relocs_write): New function.
3445         (Sized_relobj::incremental_relocs_write_reltype): New function.
3446         * script.cc (read_input_script): Rewrite test for incremental link.
3447         Change call to Incremental_inputs::report_script.
3448         * symtab.h (Symbol_table::first_global_index): New function.
3449         (Symbol_table::output_count): New function.
3451 2010-08-12  Doug Kwan  <dougkwan@google.com>
3453         * arm.cc (Target_arm::merge_object_attributes): Check command line
3454         options --no-wchar-size-warning and --no-enum-size-warning.
3455         * options.h (General_options): Add ld-compatible options
3456         --no-enum-size-warning and --no-wchar-size-warning.
3458 2010-08-04  Ian Lance Taylor  <iant@google.com>
3460         * x86_64.cc (Target_x86_64::Scan::local): Use
3461         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3462         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3463         (Target_x86_64::Scan::global): Likewise.
3464         (Target_x86_64::Relocate::relocate): Likewise.
3465         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3466         Likewise.
3468 2010-08-03  Cary Coutant  <ccoutant@google.com>
3470         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3471         to reserve space in merged_strings vector. Keep total input size
3472         for stats.
3473         (Output_merge_string::do_print_merge_stats): Print total input size.
3474         * merge.h (Output_merge_string): Add input_size_ field.
3475         * stringpool.cc (Stringpool_template::string_length): Move
3476         implementations out of Stringpool_template class and place in
3477         stringpool.h.
3478         * stringpool.h (string_length): Move out of Stringpool_template.
3480 2010-08-03  Ian Lance Taylor  <iant@google.com>
3482         PR 11712
3483         * layout.cc (relaxation_loop_body): If address of load segment is
3484         set, adjust address to include headers if possible.
3486 2010-08-03  Ian Lance Taylor  <iant@google.com>
3488         * version.cc (version_string): Bump to 1.10.
3490 2010-08-03  Ian Lance Taylor  <iant@google.com>
3492         PR 11805
3493         * layout.h (enum Output_section_order): Define.
3494         (class Layout): Update declarations.
3495         * layout.cc (Layout::get_output_section): Add order parameter.
3496         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3497         is_first_non_relro parameters.  Change all callers.
3498         (Layout::choose_output_section): Likewise.
3499         (Layout::add_output_section_data): Likewise.
3500         (Layout::make_output_section): Likewise.  Set order.
3501         (Layout::default_section_order): New function.
3502         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3503         * output.cc (Output_section::Output_section): Initialize order_.
3504         Don't initialize deleted fields.
3505         (Output_segment::Output_segment): Don't initialize deleted
3506         fields.
3507         (Output_segment::add_output_section_to_load): New function
3508         replacing add_output_section.  Change all callers to call this or
3509         add_output_section_to_nonload.
3510         (Output_segment::add_output_section_to_nonload): New function.
3511         (Output_segment::remove_output_section): Rewrite.
3512         (Output_segment::add_initial_output_data): Likewise.
3513         (Output_segment::has_any_data_sections): Likewise.
3514         (Output_segment::is_first_section_relro): Likewise.
3515         (Output_segment::maximum_alignment): Likewise.
3516         (Output_segment::has_dynamic_reloc): New function replacing
3517         dynamic_reloc_count.  Change all callers.
3518         (Output_segment::has_dynamic_reloc_list): New function replacing
3519         dynamic_reloc_count_list.  Change all callers.
3520         (Output_segment::set_section_addresses): Rewrite.
3521         (Output_segment::set_offset): Rewrite.
3522         (Output_segment::find_first_and_last_list): Remove.
3523         (Output_segment::set_tls_offsets): Rewrite.
3524         (Output_segment::first_section_load_address): Likewise.
3525         (Output_segment::output_section_count): Likewise.
3526         (Output_segment::section_with_lowest_load_address): Likewise.
3527         (Output_segment::write_section_headers): Likewise.
3528         (Output_segment::print_sections_to_map): Likewise.
3529         * output.h (class Output_data): Remove dynamic_reloc_count_
3530         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3531         (Output_data::add_dynamic_reloc): Rewrite.
3532         (Output_data::has_dynamic_reloc): New function.
3533         (Output_data::dynamic_reloc_count): Remove.
3534         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3535         is_last_relro_, is_first_non_relro_, is_interp_,
3536         is_dynamic_linker_section_ fields.  Add order and set_order
3537         functions.  Remove is_relro_local, set_is_relro_local,
3538         is_last_relro, set_is_last_relro, is_first_non_relro,
3539         set_is_first_non_relro functions, is_interp, set_is_interp,
3540         is_dynamic_linker_section, and set_is_dynamic_linker_section
3541         functions.
3542         (class Output_segment): Change Output_data_list from std::list to
3543         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3544         output_bss_ fields.  Update declarations.
3546 2010-08-02  Ian Lance Taylor  <iant@google.com>
3548         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3549         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3550         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3552 2010-08-02  Ian Lance Taylor  <iant@google.com>
3554         PR 11855
3555         * script.cc (Script_options::Script_options): Initialize
3556         symbol_definitions_ and symbol_references_.
3557         (Script_options::add_symbol_assignment): Update
3558         symbol_definitions_ and symbol_references_.
3559         (Script_options::add_symbol_reference): New function.
3560         (script_symbol): New function.
3561         * script.h (class Script_options): Add symbol_definitions_ and
3562         symbol_references_ fields.
3563         (Script_options::referenced_const_iterator): New type.
3564         (Script_options::referenced_begin): New function.
3565         (Script_options::referenced_end): New function.
3566         (Script_options::is_referenced): New function.
3567         (Script_options::any_unreferenced): New function.
3568         * script-c.h (script_symbol): Declare.
3569         * yyscript.y (exp): Call script_symbol.
3570         * symtab.cc: Include "script.h".
3571         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3572         Change all callers.  Check symbols referenced by scripts.
3573         (Symbol_table::add_undefined_symbols_from_command_line): Add
3574         layout parameter.  Change all callers.
3575         (Symbol_table::do_add_undefined_symbols_from_command_line):
3576         Likewise.  Break out loop body.  Check symbols referenced by
3577         scripts.
3578         (Symbol_table::add_undefined_symbol_from_command_line): New
3579         function broken out of
3580         do_add_undefined_symbols_from_command_line.
3581         * symtab.h (class Symbol_table): Update declarations.
3582         * archive.cc: Include "layout.h".
3583         (Archive::should_include_member): Add layout parameter.  Change
3584         all callers.  Check for symbol mentioned in expression.
3585         * archive.h (class Archive): Update declaration.
3586         * object.cc (Sized_relobj::do_should_include_member): Add layout
3587         parameter.
3588         * object.h (Object::should_include_member): Add layout parameter.
3589         Change all callers.
3590         (Object::do_should_include_member): Add layout parameter.
3591         (class Sized_relobj): Update declaration.
3592         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3593         parameter.
3594         * dynobj.h (class Sized_dynobj): Update declaration.
3595         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3596         layout parameter.
3597         * plugin.h (class Sized_pluginobj): Update declaration.
3599 2010-08-02  Ian Lance Taylor  <iant@google.com>
3601         PR 11866
3602         * output.cc (Output_segment::set_offset): Search for the first and
3603         last sections rather than assuming that the list is in order.
3604         (Output_segment::find_first_and_last_list): New function.
3605         * output.h (class Output_segment): Update declarations.
3606         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3607         (relro_strip_test_SOURCES): New variable.
3608         (relro_strip_test_DEPENDENCIES): New variable.
3609         (relro_strip_test_LDFLAGS): New variable.
3610         (relro_strip_test_LDADD): New variable.
3611         (relro_strip_test.so): New target.
3613 2010-08-02  Ian Lance Taylor  <iant@google.com>
3615         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3616         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3617         (Target_i386::got_tlsdesc_section): New function.
3618         (Target_i386::got_section): Create space for GOT entries for
3619         TLSDESC relocations.
3620         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3621         R_386_TLS_GOTDESC.
3622         (Target_i386::Scan::global): Likewise.
3623         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3624         using TLSDESC GOT.
3625         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3626         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3627         (Target_x86_64::got_tlsdesc_section): New function.
3628         (Target_x86_64::got_section): Create space for GOT entries for
3629         TLSDESC relocations.
3630         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3631         R_386_TLS_GOTDESC.
3632         (Target_x86_64::Scan::global): Likewise.
3633         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3634         using TLSDESC GOT.
3636 2010-08-02  Ian Lance Taylor  <iant@google.com>
3638         * testsuite/final_layout.sh: Use dc to convert from hex to
3639         decimal.
3641 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3643         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3644         paramter to the call to gold::gc_process_relocs.
3645         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3646         paramter to the call to gold::gc_process_relocs.
3647         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3648         parameter to the call to gold::gc_process_relocs.
3649         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3650         template parameter to the call to gold::gc_process_relocs.
3651         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3652         paramter to the call to gold::gc_process_relocs.
3653         * gc.h (get_embedded_addend_size): New function.
3654         (gc_process_relocs): Save the size of the reloc for use by ICF.
3655         * icf.cc (get_section_contents): Get the addend from the text section
3656         for SHT_REL relocation sections.
3657         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3658         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3659         * int_encoding.h (read_from_pointer): New overloaded function.
3660         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3661         * testsuite/icf_sht_rel_addend_test.sh: New file.
3662         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3663         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3665 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3667         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3668         * Makefile.in: Regenerate.
3669         * testsuite/Makefile.in: Regenerate.
3671 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3673         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3674         * gold/testsuite/debug_msg.cc: Likewise.
3675         * gold/testsuite/odr_violation1.cc
3676         * gold/testsuite/odr_violation2.cc
3678 2010-07-21  Cary Coutant  <ccoutant@google.com>
3680         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3681         string, and length fields.
3682         (Output_merge_string::Merged_strings_list): New type.
3683         (Output_merge_string::Merged_strings_lists): New typedef.
3684         (Output_merge_string): Replace merged_strings_ with
3685         merged_strings_lists_.
3686         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3687         Merged_strings_list per input object and section.  Don't store pointer
3688         to the string.  Don't store length with each merged string entry.
3689         (Output_merge_string::finalize_merged_data): Loop over list of merged
3690         strings lists.  Recompute length of each merged string.
3692 2010-07-15  Cary Coutant  <ccoutant@google.com>
3694         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3695         here.
3697 2010-07-14  Ian Lance Taylor  <iant@google.com>
3699         * descriptors.cc (Descriptors::open): Report correct name in error
3700         message.
3702 2010-07-13  Doug Kwan  <dougkwan@google.com>
3704         * arm.cc (Arm_input_section::Arm_input_section): For a
3705         SHT_ARM_EXIDX section, always keeps the input sections.
3706         (Arm_input_section::set_exidx_section_link): New method.
3707         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3708         has_errors_ to false.
3709         (Arm_exidx_input_section::has_errors,
3710         Arm_exidx_input_section::set_has_errors): New methods.
3711         (Arm_exidx_input_section::has_errors_): New data member.
3712         (Arm_relobj::get_exidx_shndx_list): New method.
3713         (Arm_output_section::append_text_sections_to_list): Do not skip
3714         section without SHF_EXECINSTR.
3715         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3716         errors.
3717         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3718         section header.  Make error messages more verbose.  Check for
3719         a non-executable section linked to an EXIDX section.
3720         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3721         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3722         check that there is no deferred EXIDX section if we exit early.
3723         Instead of not making an EXIDX section in case of an error, make one
3724         and set the has_errors flag of it.
3725         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3726         in a relocatable link.
3727         (Target_arm::do_relax): Look for the EXIDX output section instead of
3728         assuming that it is called .ARM.exidx.
3729         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3730         section list.  Do not check for SHF_EXECINSTR section flags but
3731         skip any input section with errors.
3732         * output.cc (Output_section::Output_section): Initialize
3733         always_keeps_input_sections_ to false.
3734         (Output_section::add_input_section): Check for
3735         always_keeps_input_sections_.
3736         *  output.h (Output_section::always_keeps_input_sections,
3737         Output_section::set_always_keeps_input_sections): New methods.
3738         (Output_section::always_keeps_input_sections): New data member.
3740 2010-07-13  Rafael Espindola  <espindola@google.com>
3742         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3743         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3745 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3746             Ian Lance Taylor  <iant@google.com>
3748         * output.h (Output_section_lookup_maps::add_merge_section):
3749         Correct check of whether value was inserted.
3750         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3751         (Output_section_lookup_maps::add_relaxed_input_section):
3752         Likewise.
3753         * arm.cc (Target_arm::got_section): Remove used local os.
3754         * i386.cc (Target_i386::got_section): Likewise.
3755         * x86_64.cc (Target_x86_64::got_section): Likewise.
3756         * sparc.cc (Target_sparc::got_section): Likewise.
3757         (Target_sparc::relocate): Remove unused local have_got_offset.
3758         * powerpc.cc (Target_powerpc::relocate): Likewise.
3760 2010-07-13  Ian Lance Taylor  <iant@google.com>
3762         * compressed_output.cc (zlib_decompress): Fix signature in
3763         !HAVE_ZLIB_H case.
3765         * archive.cc (Archive::include_member): Unlock an external member
3766         of a thin archive.  Don't bother to delete an object we know is
3767         NULL.
3769 2010-07-12  Cary Coutant  <ccoutant@google.com>
3771         * compressed_output.cc (zlib_decompress): New function.
3772         (get_uncompressed_size): New function.
3773         (decompress_input_section): New function.
3774         * compressed_output.h (get_uncompressed_size): New function.
3775         (decompress_input_section): New function.
3776         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3777         Handle compressed debug sections.
3778         * layout.cc (is_compressed_debug_section): New function.
3779         (Layout::output_section_name): Map compressed section names to
3780         canonical names.
3781         * layout.h (is_compressed_debug_section): New function.
3782         (is_debug_info_section): Recognize compressed debug sections.
3783         * merge.cc: Include compressed_output.h.
3784         (Output_merge_data::do_add_input_section): Handle compressed
3785         debug sections.
3786         (Output_merge_string::do_add_input_section): Handle compressed
3787         debug sections.
3788         * object.cc: Include compressed_output.h.
3789         (Sized_relobj::Sized_relobj): Initialize new data members.
3790         (build_compressed_section_map): New function.
3791         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3792         * object.h (Object::section_is_compressed): New method.
3793         (Object::do_section_is_compressed): New method.
3794         (Sized_relobj::Compressed_section_map): New type.
3795         (Sized_relobj::do_section_is_compressed): New method.
3796         (Sized_relobj::compressed_sections_): New data member.
3797         * output.cc (Output_section::add_input_section): Handle compressed
3798         debug sections.
3799         * reloc.cc: Include compressed_output.h.
3800         (Sized_relobj::write_sections): Handle compressed debug sections.
3802 2010-07-08  Cary Coutant  <ccoutant@google.com>
3804         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3805         weak when resolving to a dynamic def.
3806         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3807         for weak undef/dynamic def cases. Adjust callers.
3808         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3809         undef_binding_weak_.
3810         (Symbol_table::sized_write_globals): Adjust symbol binding.
3811         (Symbol_table::sized_write_symbol): Add binding parameter.
3812         * symtab.h (Symbol::set_undef_binding): New method.
3813         (Symbol::is_undef_binding_weak): New method.
3814         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3815         (Symbol_table::should_override): Add new parameter.
3816         (Symbol_table::sized_write_symbol): Add new parameter.
3818         * testsuite/weak_undef_file1.cc: Add new test case.
3819         * testsuite/weak_undef_file2.cc: Fix header comment.
3820         * testsuite/weak_undef_test.cc: Add new test case.
3822 2010-06-29  Doug Kwan  <dougkwan@google.com>
3824         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3825         Initialize USE_SYMBOL_.
3826         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3827         definition.
3828         (Arm_reloc_property::uses_symbol_): New data member declaration.
3829         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3830         uses symbol value and symbol is undefined but not weakly undefined.
3832 2010-06-28  Rafael Espindola  <espindola@google.com>
3834         * plugin.cc (Plugin::load): Use dlerror.
3836 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3838         * symtab.cc (detect_odr_violations): When reporting an ODR
3839         violation, report an object where the symbol is defined.
3841 2010-06-25  Doug Kwan  <dougkwan@google.com>
3843         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3844         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3845         definition.
3846         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3847         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3848         target hook to detect function points.
3849         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3850         * icf.h (Icf::check_section_for_function_pointers): Change type of
3851         parameter SECTION_NAME to const reference to std::string.  Use
3852         target hook to determine if section may have unsafe pointers.
3853         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3854         method definition.
3856 2010-06-21  Rafael Espindola  <espindola@google.com>
3858         * fileread.cc (Input_file::find_fie): New
3859         (Input_file::open): Use Input_file::find_fie.
3860         * fileread.h (Input_file::find_fie): New
3861         * plugin.cc (set_extra_library_path): New.
3862         (Plugin::load): Add set_extra_library_path to the transfer vector.
3863         (Plugin_manager::set_extra_library_path): New.
3864         (Plugin_manager::add_input_file): Use the extra search path if set.
3865         (set_extra_library_path(): New.
3866         * plugin.h (Plugin_manager): Add set_extra_library_path and
3867         extra_search_path_.
3869 2010-06-19  Cary Coutant  <ccoutant@google.com>
3871         * layout.cc (gdb_sections): Add .debug_types.
3872         (lines_only_debug_sections): Likewise.
3874 2010-06-18  Rafael Espindola  <espindola@google.com>
3876         * plugin.cc (add_input_file,add_input_library)
3877         (Plugin_manager::add_input_file): Make filename arguments const.
3878         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3879         const.
3881 2010-06-16  Doug Kwan  <dougkwan@google.com>
3883         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3884         .ARM.attributes section if we have not merged any input
3885         attributes sections.
3887 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3889         * arm.cc: Allow combining objects with no EABI version
3890         information.
3892 2010-06-15  Rafael Espindola  <espindola@google.com>
3894         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3896 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3898         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3899         (struct iovec): Correct !HAVE_READV definition.
3901 2010-06-10  Cary Coutant  <ccoutant@google.com>
3903         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3904         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3905         reloc sections.
3906         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3908         PR 11683
3909         * symtab.h (Symbol::is_placeholder): New member function.
3910         * target-reloc.h (relocate_section): Check for placeholder symbols.
3912         * testsuite/Makefile.am (plugin_test_8): New test.
3913         (plugin_test_9): New test.
3914         * testsuite/Makefile.in: Regenerate.
3916 2010-06-09  Nick Clifton  <nickc@redhat.com>
3918         * yyscript.y (input_list_element): Allow strings prefixed with
3919         the '-' character.  Treat these as libraries.
3920         * script.cc (script_add_library): New function.  Adds a library
3921         specified by "-l<name>" found in an input script.
3922         * script-c.h: Add prototype for script_add_library.
3924 2010-06-07  Doug Kwan  <dougkwan@google.com>
3926         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3927         Restrict stub-group size to be within long conditional branch
3928         range when working around cortex-A8 erratum.
3930 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3932         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3933         #ifdef typo.
3935 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3937         PR gold/11658
3938         * output.cc
3939         (Output_section::Input_section_sort_entry::compare_section_ordering):
3940         Change to return non-zero correctly.
3941         (Output_section::Input_section_sort_section_order_index_compare
3942         ::operator()): Change to fix ambiguity in comparisons.
3944 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3946         * gold.h (is_wildcard_string): New function.
3947         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3948         (Layout::layout_eh_frame): Ditto.
3949         (Layout::find_section_order_index): New method.
3950         (Layout::read_layout_from_file): New method.
3951         * layout.h (Layout::find_section_order_index): New method.
3952         (Layout::read_layout_from_file): New method.
3953         (Layout::input_section_position_): New private member.
3954         (Layout::input_section_glob_): New private member.
3955         * main.cc (main): Call read_layout_from_file here.
3956         * options.h (--section-ordering-file): New option.
3957         * output.cc (Output_section::input_section_order_specified_): New
3958         member.
3959         (Output_section::Output_section): Initialize new member.
3960         (Output_section::add_input_section): Add new parameter.
3961         Keep input sections when --section-ordering-file is used.
3962         (Output_section::set_final_data_size): Sort input sections when
3963         section ordering file is specified.
3964         (Output_section::Input_section_sort_entry): Add new parameter.
3965         Check sorting type.
3966         (Output_section::Input_section_sort_entry::compare_section_ordering):
3967         New method.
3968         (Output_section::Input_section_sort_compare::operator()): Change to
3969         consider section_order_index.
3970         (Output_section::Input_section_sort_init_fini_compare::operator()):
3971         Change to consider section_order_index.
3972         (Output_section::Input_section_sort_section_order_index_compare
3973         ::operator()): New method.
3974         (Output_section::sort_attached_input_sections): Change to sort
3975         according to section order when specified.
3976         (Output_section::add_input_section<32, true>): Add new parameter.
3977         (Output_section::add_input_section<64, true>): Add new parameter.
3978         (Output_section::add_input_section<32, false>): Add new parameter.
3979         (Output_section::add_input_section<64, false>): Add new parameter.
3980         * output.h (Output_section::add_input_section): Add new parameter.
3981         (Output_section::input_section_order_specified): New
3982         method.
3983         (Output_section::set_input_section_order_specified): New method.
3984         (Input_section::Input_section): Initialize section_order_index_.
3985         (Input_section::section_order_index): New method.
3986         (Input_section::set_section_order_index): New method.
3987         (Input_section::section_order_index_): New member.
3988         (Input_section::Input_section_sort_section_order_index_compare): New
3989         struct.
3990         (Output_section::input_section_order_specified_): New member.
3991         * script-sections.cc (is_wildcard_string): Delete and move modified
3992         method to gold.h.
3993         (Output_section_element_input::Output_section_element_input): Modify
3994         call to is_wildcard_string.
3995         (Output_section_element_input::Input_section_pattern
3996         ::Input_section_pattern): Ditto.
3997         (Output_section_element_input::Output_section_element_input): Ditto.
3998         * testsuite/Makefile.am (final_layout): New test case.
3999         * testsuite/Makefile.in: Regenerate.
4000         * testsuite/final_layout.cc: New file.
4001         * testsuite/final_layout.sh: New file.
4003 2010-06-01  Rafael Espindola  <espindola@google.com>
4005         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4007 2010-06-01  Rafael Espindola  <espindola@google.com>
4009         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4010         visibility of symbols.
4012 2010-05-27  Doug Kwan  <dougkwan@google.com>
4014         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4015         from start of output section instead of address for a local symbol
4016         in a merged or relaxed section when doing a relocatable link.
4018 2010-05-26  Rafael Espindola  <espindola@google.com>
4020        PR 11604
4021         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4022         adding sections the garbage collector removed.
4023         * gold/testsuite/Makefile.am: Add test.
4024         * gold/testsuite/Makefile.in: Regenerate.
4025         * gold/testsuite/plugin_test_7.sh: New.
4026         * gold/testsuite/plugin_test_7_1.c: New.
4027         * gold/testsuite/plugin_test_7_2.c: New.
4029 2010-05-26  Rafael Espindola  <espindola@google.com>
4031         * script-sections.cc (Output_section_definition::set_section_addresses):
4032         Check for --section-start.
4034 2010-05-26  Doug Kwan  <dougkwan@google.com>
4036         * arm.cc (Arm_scan_relocatable_relocs): New class.
4037         (Target_arm::relocate_special_relocatable): New method.
4038         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4039         (Arm_relocate_functions::thumb_branch_common): Same.
4040         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4041         instead of Default_scan_relocatable_relocs.
4042         * target-reloc.h (relocate_for_relocatable): Let target handle
4043         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4044         * target.h (Sized_target::relocate_special_relocatable): New method.
4046 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4048         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4050 2010-05-23  Doug Kwan  <dougkwan@google.com>
4052         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4053         instead of a cast.
4054         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4055         with a direct branch, not a conditional branch, to a stub.
4056         * merge.cc (Output_merge_base::record_input_section): New method
4057         defintion.
4058         (Output_merge_data::do_add_input_section): Record input section if
4059         keeps-input-sections flag is set.
4060         (Output_merge_string::do_add_input_section): Ditto.
4061         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4062         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4063         INPUT_SECTIONS_.
4064         (Output_merge_base::keeps_input_sections,
4065         Output_merge_base::set_keeps_input_sections,
4066         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4067         method definitions.
4068         (Output_merge_base::Input_sections): New type declaration.
4069         (Output_merge_base::input_sections_begin,
4070         Output_merge_base::input_sections_end,
4071         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4072         (Output_merge_base::bool keeps_input_sections_,
4073         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4074         Output_merge_base::input_sections_): New data members.
4075         (Output_merge_data::do_set_keeps_input_sections): New method
4076         defintion.
4077         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4078         * output.cc (Output_section::Input_section::relobj): Move method
4079         defintion from class declaration to here and handle merge sections.
4080         (Output_section::Input_section::shndx): Ditto.
4081         (Output_section::Output_section): Remove initializations of removed
4082         data members and initialize new data member LOOKUP_MAPS_.
4083         (Output_section::add_input_section): Set keeps-input-sections flag
4084         for a newly created merge output section as appropriate.  Adjust code
4085         to use Output_section_lookup_maps class.
4086         (Output_section::add_relaxed_input_section): Adjst code for lookup
4087         maps code refactoring.
4088         (Output_section::add_merge_input_section): Add a new parameter
4089         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4090         class.  If adding input section to a newly created merge output
4091         section fails, remove the new merge section.
4092         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4093         Adjust code for use of the Output_section_lookup_maps class.
4094         (Output_section::find_merge_section): Ditto.
4095         (Output_section::build_lookup_maps): New method defintion.
4096         (Output_section::find_relaxed_input_section): Adjust code to use
4097         Output_section_lookup_maps class.
4098         (Output_section::get_input_sections): Export merge sections.  Adjust
4099         code to use Output_section_lookup_maps class.
4100         (Output_section:::add_script_input_section): Adjust code to use
4101         Output_section_lookup_maps class.  Update lookup maps for merge
4102         sections also.
4103         (Output_section::discard_states): Use Output_section_lookup_maps.
4104         (Output_section::restore_states): Same.
4105         * output.h (Merge_section_properties): Move class defintion out of
4106         Output_section.
4107         (Output_section_lookup_maps): New class.
4108         (Output_section::Input_section::is_merge_section): New method
4109         defintion.
4110         (Output_section::Input_section::relobj): Move defintion out of class
4111         defintion.  Declare method only.
4112         (Output_section::Input_section::shndx): Ditto.
4113         (Output_section::Input_section::output_merge_base): New method defintion.
4114         (Output_section::Input_section::u2_.pomb): New union field.
4115         (Output_section::Merge_section_by_properties_map,
4116         Output_section::Output_section_data_by_input_section_map,
4117         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4118         Remove types.
4119         (Output_section::add_merge_input_section): Add new parameter
4120         KEEPS_INPUT_SECTIONS.
4121         (Output_section::build_lookup_maps): New method declaration.
4122         (Output_section::merge_section_map_,
4123         Output_section::merge_section_by_properties_map_,
4124         Output_section::relaxed_input_section_map_,
4125         Output_section::is_relaxed_input_section_map_valid_): Remove data
4126         members.
4127         (Output_section::lookup_maps_): New data member.
4129 2010-05-21  Doug Kwan  <dougkwan@google.com>
4131         PR gold/11619
4132         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4133         avoid a compilation error.
4135 2010-05-19  Rafael Espindola  <espindola@google.com>
4137         * script-sections.cc (Output_section_definition::allocate_to_segment):
4138         Update the phdrs_list even when the output section is NULL.
4139         * testsuite/Makefile.am: Add test.
4140         * testsuite/Makefile.in: Regenerate.
4141         * testsuite/script_test_9.cc: New.
4142         * testsuite/script_test_9.sh: New.
4143         * testsuite/script_test_9.t: New.
4145 2010-05-19  Doug Kwan  <dougkwan@google.com>
4147         * arm.cc (Arm_input_section::original_size): New method.
4148         (Arm_input_section::do_addralign): Add a cast.
4149         (Arm_input_section::do_output_offset): Remove static cast.
4150         (Arm_input_section::original_addralign,
4151          Arm_input_section::original_size_): Change type to uint32_t.
4152         (Arm_input_section::init): Add safe casts for section alignment
4153         and size.
4154         (Arm_input_section::set_final_data_size): Do not set address and
4155         offset of stub table.
4156         (Arm_output_section::fix_exidx_coverage): Change use of of
4157         Output_section::Simple_input_section to that of
4158         Output_section::Input_section.
4159         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4160         except for the first pass.
4161         * output.cc (Output_section::get_input_sections): Change type of
4162         input_sections to std::list<Input_section>.
4163         (Output_section::add_script_input_section): Rename from
4164         Output_section::add_simple_input_section.  Change type of SIS
4165         parameter from Simple_input_section to Input_section.
4166         * output.h (Output_section::Simple_input_section): Remove class.
4167         (Output_section::Input_section): Change class visibility to public.
4168         (Output_section::Input_section::addralign): Use stored alignments
4169         for special input sections if set.
4170         (Output_section::Input_section::set_addralign): New method.
4171         (Output_section::get_input_sections): Change parameter type from
4172         list of Simple_input_section to list of Input_section.
4173         (Output_section::add_script_input_section): Rename from
4174         Output_section::add_simple_input_section. Change first parameter's
4175         type from Simple_input_section to Input_section and remove the
4176         second and third parameters.
4177         * script-sections.cc (Input_section::Input_section_list): Change
4178         type to list of Output_section::Input_section/
4179         (Input_section_info::Input_section_info): Change parameter type of
4180         INPUT_SECTION to Output_section::Input_section.
4181         (Input_section_info::input_section): Change return type.
4182         (Input_section_info::input_section_): Change type to
4183         Output_section::Input_section.
4184         (Output_section_element_input::set_section_addresses): Adjust code
4185         to use Output_section::Input_section instead of
4186         Output_section::Simple_input_section.  Adjust code for renaming
4187         of Output_section::add_simple_input_section.
4188         (Orphan_output_section::set_section_addresses): Ditto.
4190 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4192         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4193         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4195 2010-05-18  Rafael Espindola  <espindola@google.com>
4197         * options.cc (General_options::finalize): Handle -nostdlib.
4198         * options.h (nostdlib): New option.
4199         * script.cc (script_add_search_dir): Handle -nostdlib.
4201 2010-05-12  Doug Kwan  <dougkwan@google.com>
4203         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4204         attributes section only if there no attributes section after merging.
4205         (Target_arm::merge_object_attributes): Move value of
4206         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4207         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4208         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4209         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4210         and arm_attr_merge_7.stdout.
4211         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4212         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4213         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4214         arm_attr_merge_7b.o): New rules.
4215         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4216         arm_attr_merge_7
4217         * testsuite/Makefile.in: Regenerate.
4218         * testsuite/arm_attr_merge.sh: New file.
4219         * testsuite/arm_attr_merge_[67][ab].s: Same.
4221 2010-05-05  Nick Clifton  <nickc@redhat.com>
4223         * po/es.po: Updated Spanish translation.
4225 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4227         * Makefile.am (install-exec-local): Properly install gold as
4228         default cross linker.
4229         * Makefile.in: Regenerated.
4231 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4232             Nick Clifton  <nickc@redhat.com>
4234         * configure.ac (install_as_default): Define and set to false
4235         unless --enable-gold or --enable-gold=both/gold has been
4236         specified.
4237         * configure: Regenerate.
4239         * Makefile.am (install-exec-local): Install the executable as
4240         'ld.gold'.  If install_as_default is true then also install it as
4241         'ld'.
4242         * Makefile.in: Regenerated.
4244 2010-04-24  Ian Lance Taylor  <iant@google.com>
4246         * layout.cc (Layout::layout_reloc): In relocatable link don't
4247         combine reloc sections for grouped sections.
4249 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4251         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4252         sections that are not ordinary to icf.
4253         * icf.cc (get_section_contents): Handle relocation pointing to section
4254         with no object or shndx information.
4255         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4256         * testsuite/Makefile.in: Regenerate.
4257         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4258         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4260 2010-04-22  Ian Lance Taylor  <iant@google.com>
4262         * expression.cc (Expression::Expression_eval_info): Add
4263         result_alignment_pointer field.
4264         (Expression::eval_with_dot): Add result_alignment_pointer
4265         parameter.  Change all callers.
4266         (Expression::eval_maybe_dot): Likewise.
4267         (class Binary_expression): Add alignment_pointer parameter to
4268         left_value and right_value.  Change all callers.
4269         (BINARY_EXPRESSION): Set result alignment.
4270         (class Trinary_expression): Add alignment_pointer parameter to
4271         arg2_value and arg3_value.  Change all callers.
4272         (Trinary_cond::value): Set result alignment.
4273         (Max_expression::value, Min_expression::value): Likewise.
4274         (Align_expression::value): Likewise.
4275         * script-sections.cc (class Sections_element): Add dot_alignment
4276         parameter to set_section_addresses virtual function.  Update
4277         instantiations.
4278         (class Output_section_element): Likewise.
4279         (Script_sections::create_segments): Add dot_alignment parameter.
4280         Change all callers.
4281         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4282         (Script_sections::set_phdrs_clause_addresses): Likewise.
4283         * script-sections.h: Update declarations.
4284         * script.h: Update declarations.
4285         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4286         min_p_align.
4287         * testsuite/script_test_3.t: Set large alignment.
4288         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4289         segment has expected alignment.
4291 2010-04-22  Nick Clifton  <nickc@redhat.com>
4293         * po/gold.pot: Updated by the Translation project.
4294         * po/vi.po: Updated Vietnamese translation.
4296 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4298         * testsuite/Makefile.am (check_PROGRAMS): Add
4299         icf_virtual_function_folding_test.
4300         * testsuite/Makefile.in: Regenerated.
4302 2010-04-15  Andrew Haley  <aph@redhat.com>
4304         * options.h (merge_exidx_entries): New option.
4305         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4306         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4307         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4308         (Target_arm::merge_exidx_entries): New function.
4309         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4310         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4311         to Arm_exidx_fixup constructor.
4312         Add new arg, merge_exidx_entries.
4313         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4314         Arm_output_section::fix_exidx_coverage.
4316 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4318         * icf.cc (get_section_contents): Check for preemptible functions.
4319         Ignore addend when appropriate.
4320         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4321         section folded.
4322         (add_from_relobj): Check for section folded.
4323         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4324         * symtab.h (should_add_dynsym_entry): Add new parameter.
4325         * target-reloc.h (scan_relocs): Check for section folded.
4326         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4327         Check reloc types for function pointers in shared objects.
4328         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4329         case.
4330         (icf_preemptible_functions_test): New test case.
4331         (icf_string_merge_test): New test case.
4332         * testsuite.Makefile.in: Regenerate.
4333         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4334         bar_glob.  Refactor code.
4335         * testsuite/icf_preemptible_functions_test.cc: New file.
4336         * testsuite/icf_preemptible_functions_test.sh: New file.
4337         * testsuite/icf_string_merge_test.cc: New file.
4338         * testsuite/icf_string_merge_test.sh: New file.
4339         * testsuite/icf_virtual_function_folding_test.cc: New file.
4340         * testsuite/icf_virtual_function_folding_test.sh: New file.
4342 2010-04-14  Doug Kwan  <dougkwan@google.com>
4344         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4345         for local symbol recounting if we remove a section due to ICF.
4346         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4347         there are no regular objects in input.
4349 2010-04-13  Doug Kwan  <dougkwan@google.com>
4351         * arm.cc (Arm_input_section::set_final_data_size): Compute
4352         accurate final data size instead of using current data size.
4354 2010-04-09  Doug Kwan  <dougkwan@google.com>
4356         * layout.cc (Layout::choose_output_section): Handle script section
4357         types.
4358         (Layout::make_output_section_for_script): Add section type parameter.
4359         Handle script section types.
4360         * layout.h (Layout::make_output_section_for_script): Add section
4361         type parameter.
4362         * output.cc (Output_section::Output_section): Initialize data member
4363         is_noload_.
4364         (Output_section::do_reset_address_and_file_offset): Do not set address
4365         to 0 if section is a NOLOAD section.
4366         * output.h (Output_section::is_noload): New method.
4367         (Output_section::set_is_noload): Ditto.
4368         (Output_section::is_noload_): New data member.
4369         * script-c.h (Script_section_type): New enum type.
4370         (struct Parser_output_section_header): Add new file section_type.
4371         * script-sections.cc (Sections_element::output_section_name): Add
4372         parameter for returning script section type.
4373         (Output_section_definition::output_section_name): Ditto.
4374         (Output_section_definition::section_type)P; New method.
4375         (Output_section_definiton::script_section_type_name): Ditto.
4376         (Output_section_definition::script_section_type_): New data member.
4377         (Output_section_definition::Output_section_definition): Initialize
4378         data member Output_section_definition::script_section_type_.
4379         (Output_section_definition::create_sections): Pass script section type
4380         to Layout::make_output_section_for_script.
4381         (Output_section_definition::output_section_name): Return script
4382         section type to caller.
4383         (Output_section_definition::set_section_address): Do not advance
4384         dot value and load address if section type is NOLOAD.  Set address
4385         of NOLOAD sections regardless of section flags.
4386         (Output_section_definition::print): Print section type if it is
4387         not SCRIPT_SECTION_TYPE_NONE.
4388         (Output_section_definition::section_type): New method.
4389         (Output_section_definition::script_section_type_name): Ditto.
4390         (Script_sections::output_section_name): Add new parameter
4391         PSECTION_TYPE for returning script section type.  Pass it to
4392         section elements.  Handle discard sections.
4393         (Sort_output_sections::operator()): Handle NOLOAD sections.
4394         * script-sections.h (Script_sections::Section_type): New enum type.
4395         (Script_sections::output_section_name): Add a new parameter for
4396         returning script section type.
4397         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4398         INFO and NOLOAD.
4399         * yyscript.y (union): Add new field SECTION_TYPE.
4400         (COPY, DSECT, INFO, NOLOAD): New tokens.
4401         (opt_address_and_section_type): Change type to output_section_header.
4402         (section_type): New non-terminal
4403         (section_header): Handle section type.
4404         (opt_address_and_section_type): Return section type value.
4406 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4408         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4409         * testsuite/plugin_common_test_2.c (foo): Likewise.
4411 2010-04-08  Doug Kwan  <dougkwan@google.com>
4413         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4414         Output_merge_data.
4415         * output.cc (Output_section::add_merge_input_section): Simplify
4416         code and return status of Output_merge_base::add_input_section.
4417         Update merge section map only if Output_merge_base::add_input_section
4418         returns true.
4420 2010-04-07  Doug Kwan  <dougkwan@google.com>
4422         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4423         if section is marked as containing instructions but has no mapping
4424         symbols.
4425         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4426         correct section index.
4427         (Arm_relobj::find_linked_text_section): Ditto.
4429 2010-04-07  Cary Coutant  <ccoutant@google.com>
4431         * archive.cc (include_member): Destroy Read_symbols_data object before
4432         releasing file.
4433         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4434         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4435         (Read_symbols_data::~Read_symbols_data) New destructor.
4436         (Section_relocs::Section_relocs) New constructor.
4437         (Section_relocs::~Section_relocs) New destructor.
4438         (Read_relocs_data::Read_relocs_data) New constructor.
4439         (Read_relocs_data::~Read_relocs_data) New destructor.
4440         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4441         pointers to NULL after deleting.
4443 2010-04-07  Doug Kwan  <dougkwan@google.com>
4445         * arm.cc: Replace "endianity" with "endianness" in comments.
4446         (Arm_exidx_cantunwind): Ditto.
4447         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4448         (Arm_relobj::merge_flags_and_attributes): New method.
4449         (Arm_relobj::merge_flags_and_attributes_): New data member.
4450         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4451         (Arm_relobj::scan_sections_for_stubs): Ditto.
4452         (Arm_relobj::do_read_symbols): Check to see if we really want to
4453         merge processor-specific flags and attributes.  Exit early if
4454         an object is empty except for section names and the undefined symbol.
4455         (Target_arm::do_finalize_sections): Move check for ELF format to
4456         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4457         attributes from a regular object only when we have determined that
4458         it is aapropriate.  Do not create an .ARM.attributes section in
4459         output if there is no regular input object.
4460         (Target_arm::merge_processor_specific_flags): Check
4461         --warn-mismatch before printing any error.
4462         (Target_arm::merge_object_attributes): Ditto.
4463         * gold.cc (queue_middle_tasks): Handle the case in which there is
4464         no regular object in input.
4465         * options.cc (General_options::parse_EB): New method.
4466         (General_options::parse_EL): Same.
4467         (General_options::General_options): Initialize endianness_.
4468         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4469         New options.
4470         (General_options::Endianness): New enum.
4471         (General_options::endianness): New method.
4472         (General_options::endianness_): New data member.
4473         * parameters.cc (Parameters::set_options): Check target endianness.
4474         (Parameters::set_target_once): Ditto.
4475         (Parameters::check_target_endianness): New method.
4476         (parameters_force_valid_target): If either -EL or -EB is specified,
4477         use it to define endianness of default target.
4478         * parameters.h (Parameters::check_target_endianness): New method
4479         declaration.
4480         * target.h (class Target): Change "endianity" to "endianness"
4481         in comments.
4483 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4485         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4486         * configure: Regenerate.
4487         * Makefile.in: Regenerate.
4488         * testsuite/Makefile.in: Regenerate.
4490 2010-04-06  Cary Coutant  <ccoutant@google.com>
4492         gcc PR lto/42757
4493         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4494         prevailing definitions of common symbols.
4495         * testsuite/plugin_test_6.sh: New test case.
4496         * testsuite/plugin_common_test_1.c: New test case.
4497         * testsuite/plugin_common_test_2.c: New test case.
4498         * testsuite/Makefile.am (plugin_test_6): New test case.
4499         * testsuite/Makefile.in: Regenerate.
4501 2010-04-06  Nick Clifton  <nickc@redhat.com>
4503         * po/vi.po: New Vietnamese translation.
4505 2010-03-30  Doug Kwan  <dougkwan@google.com>
4507         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4509 2010-03-25  Doug Kwan  <dougkwan@google.com>
4511         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4512         to avoid a conversion warning on a 32-bit host.
4514 2010-03-24  Ian Lance Taylor  <iant@google.com>
4516         * testsuite/script_test_3.t: Add a TLS segment.
4517         * testsuite/Makefile.am (check_PROGRAMS): Add
4518         tls_phdrs_script_test.
4519         (tls_phdrs_script_test_SOURCES): Define.
4520         (tls_phdrs_script_test_DEPENDENCIES): Define.
4521         (tls_phdrs_script_test_LDFLAGS): Define.
4522         (tls_phdrs_script_test_LDADD): Define.
4523         * testsuite/Makefile.in: Rebuild.
4525 2010-03-23  Cary Coutant  <ccoutant@google.com>
4527         * fileread.cc (find_or_make_view): Fix comment.
4529 2010-03-23  Ian Lance Taylor  <iant@google.com>
4531         * script-sections.cc (class Orphan_section_placement): Define
4532         PLACE_TLS and PLACE_TLS_BSS.
4533         (Orphan_section_placement::Orphan_section_placement): Initialize
4534         new places.
4535         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4536         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4537         (tls_script_test_SOURCES): Define.
4538         (tls_script_test_DEPENDENCIES): Define.
4539         (tls_script_test_LDFLAGS): Define.
4540         (tls_script_test_LDADD): Define.
4541         * testsuite/Makefile.in: Rebuild.
4543 2010-03-22  Doug Kwan  <dougkwan@google.com>
4545         * arm.cc (Arm_relocate_functions::abs8,
4546         Arm_relocate_functions::abs16): Use correct check for overflow
4547         specified in the ARM ELF specs.
4548         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4549         target of a BLX instruction specially.
4550         (Reloc_stub::stub_type_for_reloc): Ditto.
4551         (Relocate::relocate): Use symbolic names instead of numeric relocation
4552         codes to report error.
4553         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4554         workaround.
4555         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4556         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4557         thumb2_blx_out_of_range.stdout
4558         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4559         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4560         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4561         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4562         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4563         thumb2_blx_in_range, thumb2_blx_in_range.o,
4564         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4565         thumb2_blx_out_of_range.o): New rules.
4566         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4567         thumb2_blx_in_range and thumb2_blx_out_of_range.
4568         * testsuite/Makefile.in: Regenerate.
4569         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4570         * testsuite/thumb_blx_in_range.s: New file.
4571         * testsuite/thumb_blx_out_of_range.s: New file.
4573 2010-03-22  Rafael Espindola  <espindola@google.com>
4575         * archive.cc (Should_include): Move to archive.h.
4576         (should_include_member): Make it a member of Archive.
4577         (Lib_group): New.
4578         (Add_lib_group_symbols): New.
4579         * archive.h: Include options.h.
4580         (Archive_member): Moved from Archive.
4581         (Should_include): Moved from archive.cc.
4582         (Lib_group): New.
4583         (Add_lib_group_symbols): New.
4584         * dynobj.cc (do_should_include_member): New.
4585         * dynobj.h (do_should_include_member): New.
4586         * gold.cc (queue_initial_tasks): Update call to queue.
4587         * main.cc (main): Print lib group stats.
4588         * object.cc (do_should_include_member): New.
4589         * object.h: Include archive.h.
4590         (Object::should_include_member): New.
4591         (Object::do_should_include_member): New.
4592         (Sized_relobj::do_should_include_member): New.
4593         * options.cc (General_options::parse_start_lib): New.
4594         (General_options::parse_end_lib): New.
4595         (Input_arguments::add_file): Handle lib groups.
4596         (Input_arguments::start_group): Check we are not in a lib.
4597         (Input_arguments::start_lib): New.
4598         (Input_arguments::end_lib): New.
4599         * options.h (General_options): Add start_lib and end_lib.
4600         (Input_argument::lib_): New.
4601         (Input_argument::lib): New.
4602         (Input_argument::is_lib): New.
4603         (Input_file_lib): New.
4604         (Input_arguments::in_lib_): New.
4605         (Input_arguments::in_lib): New.
4606         (Input_arguments::start_lib): New.
4607         (Input_arguments::end_lib_): New.
4608         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4609         in unused members as preempted.
4610         (Sized_pluginobj::do_should_include_member): New.
4611         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4612         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4613         return the blocker.
4614         (Read_symbols::do_whole_lib_group): New.
4615         (Read_symbols::do_lib_group): New.
4616         (Read_symbols::do_read_symbols): Handle lib groups.
4617         (Read_symbols::get_name): Handle lib groups.
4618         * readsyms.h (Read_symbols): Add an archive member pointer.
4619         (Read_symbols::do_whole_lib_group): New.
4620         (Read_symbols::do_lib_group): New.
4621         (Read_symbols::member_): New.
4622         * script.cc (read_input_script): Update call to queue_soon.
4624 2010-03-19  Doug Kwan  <dougkwan@google.com>
4626         * arm.cc (Stub_table::Stub_table): Initialize new data members
4627         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4628         (Stub_table::add_reloc_stub): Assign stub offset and update
4629         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4630         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4631         New data members.
4632         (Stub_table::update_data_size_and_addralign): Use
4633         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4634         instead of going over all reloc stubs.
4635         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4636         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4637         Stringpool_template::offset_ to size of Stringpool_char.
4638         (Stringpool_template::new_key_offset): Remove code to initialize
4639         Stringpool_template::offset_.
4640         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4641         Stringpool_template::offset_ to zero.
4643 2010-03-15  Doug Kwan  <dougkwan@google.com>
4645         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4646         offset_.
4647         (Stringpool_template::new_key_offset): New method.
4648         (Stringpool_template::add_string): Assign offsets when adding new
4649         strings.
4650         (Stringpool_template::set_string_offsets): Do not set string offsets
4651         when not optimizing.
4652         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4653         member size_.
4654         (Chunked_vector::clear): Clear size_.
4655         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4656         (Chunked_vector::size): Return size_.
4657         (Chunked_vector::push_back): Use size_ to find insert position.
4658         (Chunked_vector::size_): New data member.
4659         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4660         (Stringpool_template::new_key_offset): New method declaration.
4661         (Stringpool_template::offset_): New data member.
4663 2010-03-15   Rafael Espindola  <espindola@google.com>
4665         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4666         Add_symbols' constructor.
4667         * readsyms.h (Add_symbols): Remove the input_group member.
4669 2010-03-10  Ian Lance Taylor  <iant@google.com>
4671         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4672         target to ask whether a reference to a symbol requires a stack
4673         split.
4674         * target.h (Target::is_call_to_non_split): New function.
4675         (Target::do_is_call_to_non_split): Declare virtual function.
4676         * target.cc: Include "symtab.h".
4677         (Target::do_is_call_to_non_split): New function.
4678         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4680 2010-03-10  Cary Coutant  <ccoutant@google.com>
4682         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4683         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4684         (File_read::open[2]): Add whole_file_view_ to list of views.
4685         (File_read::make_view): Remove test of whole_file_view_.
4686         (File_read::find_or_make_view): Create whole_file_view_ if
4687         necessary.
4688         (File_read::clear_views): Replace bool parameter with enum;
4689         adjust all callers.  Don't delete views with permanent data;
4690         do delete cached views and views from archives if
4691         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4692         if clearing the corresponding view.
4693         * fileread.h (File_read::Clear_views_mode): New enum.
4694         (File_read::View::is_permanent_view): New method.
4695         (File_read::clear_views): Replace bool parameter
4696         with enum; adjust all callers.
4697         * options.h (General_options): Change keep_files_mapped option;
4698         add map_whole_files.
4699         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4700         releasing the file.
4701         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4702         the file.
4704 2010-03-10  David S. Miller  <davem@davemloft.net>
4706         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4708 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4710         * icf.cc (get_section_contents): Add '@' marker after processing the
4711         merge reloc.
4713 2010-03-08  Doug Kwan  <dougkwan@google.com>
4715         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4716         due to a conversion warning.
4717         (Arm_relobj::update_output_local_symbol_count): Check for local
4718         symbol with unset output index.
4720 2010-03-05  Ian Lance Taylor  <iant@google.com>
4722         * options.h (class General_options): Add --spare-dynamic-tags.
4723         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4724         --spare-dynamic-tags.
4726 2010-03-05  Ian Lance Taylor  <iant@google.com>
4728         * incremental.cc: Include "libiberty.h".
4730 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4732         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4733         function, is_info_ member.
4734         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4735         (Versions::Versions): Update caller.
4736         (Versions::define_base_version): Likewise.
4737         (Versions::add_def): Likewise.
4739 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4741         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4742         (Scan::possible_function_pointer_reloc): New function.
4743         (Scan::local_reloc_may_be_function_pointer): Change to call
4744         possible_function_pointer_reloc.
4745         (Scan::global_reloc_may_be_function_pointer): Ditto.
4746         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4747         relocations in ".data.rel.ro._ZTV" section.
4748         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4749         * testsuite/icf_safe_so_test.cc: Ditto.
4750         * testsuite/icf_safe_test.cc: Ditto.
4751         * testsuite/icf_safe_test.sh: Ditto.
4753 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4754             Ian Lance Taylor  <iant@google.com>
4756         * target-reloc.h (relocate_section): Check the symbol table index
4757         for -1U before setting the local symbol index.
4758         (scan_relocatable_relocs): If copying the relocation, record that
4759         the local symbol is required.
4760         * object.h (Symbol_value::is_output_symtab_index_set): New
4761         function.
4762         (Symbol_value::may_be_discarded_from_output_symtab): New
4763         function.
4764         (Symbol_value::has_output_symtab_entry): New function.
4765         (Symbol_value::needs_output_symtab_entry): Remove.
4766         (Symbol_value::output_symtab_index): Make sure the symbol index is
4767         set.
4768         (Symbol_value::set_output_symtab_index): Make sure the symbol
4769         index is not set.  Make sure the new index is valid.
4770         (Symbol_value::set_must_have_output_symtab_entry): New function.
4771         (Symbol_value::has_output_dynsym_entry): New function.
4772         (Symbol_value::set_output_dynsym_index): Make sure the new index
4773         is valid.
4774         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4775         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4776         local symbol if permitted.
4777         (Sized_relobj::do_finalize_local_symbols): Call
4778         is_output_symtab_index_set rather than needs_output_symtab_entry.
4779         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4780         rather than needs_output_symtab_entry.  Call
4781         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4782         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4783         is_output_symtab_index_set rather than needs_output_symtab_entry.
4784         * testsuite/discard_locals_relocatable_test.c: New file.
4785         * testsuite/discard_locals_test.sh: Test -r.
4786         * testsuite/Makefile.am (check_DATA): Add
4787         discard_locals_relocatable_test1.syms,
4788         discard_local_relocatable_test2.syms.
4789         (MOSTLYCLEANFILES): Likewise.  Also add
4790         discard_locals_relocatable_test1.lout and
4791         discard_locals_relocatable_test2.out.
4792         (discard_locals_relocatable_test1.syms): New target.
4793         (discard_locals_relocatable_test.o): New target.
4794         (discard_locals_relocatable_test1.out): New target.
4795         (discard_locals_relocatable_test2.syms): New target.
4796         (discard_locals_relocatable_test2.out): New target.
4797         (various): Add missing ../ld-new dependencies.
4798         * testsuite/Makefile.in: Rebuild.
4800 2010-03-03  Nick Clifton  <nickc@redhat.com>
4802         * po/fi.po: New Finnish translation.
4804 2010-03-01  Doug Kwan  <dougkwan@google.com>
4806         * layout.cc (Layout::Layout): Force section types of .init_array*,
4807         .preinit_array* and .fini_array* sections.
4808         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4809         Fix check of return value of std::string::find.().
4810         (Output_section::Input_section_sort_compare::operator()): Remove
4811         comment about .init_array.
4812         (Output_section::Input_section_sort_init_fini_compare::operator()):
4813         New method.
4814         (Output_section::sort_attached_input_sections): Handle .init_array
4815         and .fini_array specially.
4816         * output.h (Output_section::Inut_section_sort_compare): Update
4817         comment.
4818         (Output_section::Input_section_sort_init_fini_compare): New struct.
4820 2010-02-26  Doug Kwan  <dougkwan@google.com>
4822         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4823         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4824         * testsuite/debug_msg.sh: Avoid matching source line number for
4825         use of global variable undef_int.
4827 2010-02-26  Doug Kwan  <dougkwan@google.com>
4829         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4830         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4831         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4832         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4833         * options.cc (General_options::General_options): Initialize member
4834         fix_v4bx_.
4835         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4836         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4837         and rm_no_fix_v4bx.stdout
4838         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4839         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4840         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4841         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4842         and arm_no_fix_v4bx.
4843         * Makefile.in: Regenerate.
4844         * testsuite/arm_fix_v4bx.s: New file.
4845         * testsuite/arm_fix_v4bx.sh: Ditto.
4847 2010-02-24  Doug Kwan  <dougkwan@google.com>
4849         * arm.cc (Target_arm::got_section): Make the .got section the first
4850         non RELRO section in the data segment.
4851         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4852         suffixes of section names.
4854 2010-02-24  Doug Kwan  <dougkwan@google.com>
4856         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4857         flags and attributes merging if an input file is a binary file.
4858         * fileread.cc (Input_file::open): Record format of original file.
4859         * fileread.h (Input_file::Format): New enum type.
4860         (Input_file::Input_file): Initialize data member format_.
4861         (Input_file::format): New method definition.
4862         (Input_file::format_):: New data member.
4864 2010-02-24  Doug Kwan  <dougkwan@google.com>
4866         * arm.cc (Arm_output_data_got): New class.
4867         (ARM_TCB_SIZE): New constant
4868         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4869         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4870         If user uses a script with a SECTIONS clause, issue only a warning
4871         for a misplaced EXIDX input section.  Otherwise, issue an error.
4872         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4873         garbage collection.
4874         (Target_arm::got_mode_index_entry): Handle static linking.
4875         (Target_arm::Scan::local): Ditto.
4876         (Target_arm::Scan::global): Ditto.
4877         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4878         all incorrectly implemented relocations.
4879         (Target_arm::fix_exidx_coverage): Pass layout to
4880         Arm_output_section::fix_exidx_coverage.
4881         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4882         from ".ARM.exidx." and ".ARM.extab.".
4884 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4886         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4887         section if it does not already exist.
4888         * attributes.cc (Attributes_section_data::Attributes_section_data):
4889         Don't crash if size is zero.
4891 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4892             Ian Lance Taylor  <iant@google.com>
4894         * gold.cc (queue_middle_tasks): If no input files were opened,
4895         exit.
4896         * workqueue.h (Task_function::Task_function): Assert that there is
4897         a blocker.
4899 2010-02-22  Doug Kwan  <dougkwan@google.com>
4901         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4902         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4903         types to avoid warnings due to different uint64_t implementations
4904         on different hosts.
4906 2010-02-21  Doug Kwan  <dougkwan@google.com>
4908         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4909         handling of the maximum backward branch offset.
4910         (Arm_relocate_functions::thumb_branch_common): Ditto.
4911         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4912         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4913         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4914         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4915         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4916         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4917         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4918         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4919         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4920         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4921         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4922         thumb2_bl_out_of_range.o): New rules.
4923         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4924         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4925         thumb2_bl_out_of_range
4926         * testsuite/Makefile.in: Regenerate.
4927         * testsuite/arm_bl_in_range.s: New file.
4928         * testsuite/arm_bl_out_of_range.s: Ditto.
4929         * testsuite/arm_branch_in_range.sh: Ditto.
4930         * testsuite/arm_branch_range.t: Ditto.
4931         * testsuite/thumb2_branch_range.t: Ditto.
4932         * testsuite/thumb_bl_in_range.s: Ditto.
4933         * testsuite/thumb_bl_out_of_range.s: Ditto.
4934         * testsuite/thumb_branch_range.t: Ditto.
4936 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4938         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4939         Add reloc offset information.
4940         * icf.cc (get_section_contents): Change iterators to point to the new
4941         vectors. Add reloc offset information to the contents.
4942         * icf.h (Icf::Sections_reachable_info): New typedef.
4943         (Icf::Sections_reachable_list): New typedef.
4944         (Icf::Offset_info): New typedef.
4945         (Icf::Reloc_info): New struct typedef.
4946         (Icf::Reloc_info_list): New typedef.
4947         (Icf::symbol_reloc_list): Delete method.
4948         (Icf::addend_reloc_list): Delete method.
4949         (Icf::section_reloc_list): Delete method.
4950         (Icf::reloc_info_list): New method.
4951         (Icf::reloc_info_list_): New member.
4953 2010-02-19  Doug Kwan  <dougkwan@google.com>
4955         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4956         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4957         * arm.cc (Arm_relocation_functions): New forward declaration.
4958         (Target_arm::Target_arm): Initialize new data members
4959         got_mod_index_offset_ and tls_base_symbol_defined_.
4960         (Target_arm::Relocate::relocate_tls): New method.
4961         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4962          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4963         New methods.
4964         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4965         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4966         (Target_arm::got_mod_index_offset_,
4967         Target_arm::tls_base_symbol_defined_): New data members.
4968         (Target_arm::Scan::local, Target::Scan::global,
4969         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4970         relocations.
4972 2010-02-18  Doug Kwan  <dougkwan@google.com>
4974         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4975         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4976         text section as a parameter becuase some broken tools may not set
4977         the link in section header.
4978         (Target_arm::has_got_section): New method.
4979         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4980         without any mapping symbol as data only.  Remove warning.
4981         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4982         link in its section header, try to discover the link by inspecting the
4983         REL31 relocation at the beginning of the section.
4984         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4985         in error message.
4986         (Target_arm::Scan::global): Treat any reference to the symbol
4987         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4989 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4991         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4992         (Scan::global_reloc_may_be_function_pointer): New function.
4993         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4994         (Scan::global_reloc_may_be_function_pointer): New function.
4995         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4996         (Scan::global_reloc_may_be_function_pointer): New function.
4997         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4998         (Scan::global_reloc_may_be_function_pointer): New function.
4999         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5000         (Scan::global_reloc_may_be_function_pointer): New function.
5001         (Scan::possible_function_pointer_reloc): New function.
5002         (Target_x86_64::can_check_for_function_pointers): New function.
5003         * gc.h (gc_process_relocs): Scan relocation types to determine if
5004         function pointers were taken for targets that support it.
5005         * icf.cc (Icf::find_identical_sections): Include functions for
5006         folding in safe ICF whose pointer is not taken.
5007         * icf.h (Secn_fptr_taken_set): New typedef.
5008         (fptr_section_id_): New member.
5009         (section_has_function_pointers): New function.
5010         (set_section_has_function_pointers): New function.
5011         (check_section_for_function_pointers): New function.
5012         * options.h: Fix comment for safe ICF option.
5013         * target.h (can_check_for_function_pointers): New function.
5014         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5015         Modify icf_safe_test for X86-64.
5016         * testsuite/Makefile.in: Regenerate.
5017         * testsuite/icf_safe_so_test.cc: New file.
5018         * testsuite/icf_safe_so_test.sh: New file.
5019         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5020         (main): Change to take pointer to function kept_func_3.
5021         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5022         folding is done correctly for X86-64.
5024 2010-02-12  David S. Miller  <davem@davemloft.net>
5026         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5027         is_symbolless parameter.
5028         (Output_reloc<SHT_REL>::is_symbolless): New.
5029         (Output_reloc<SHT_REL>::is_symbolless_): New.
5030         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5031         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5032         (Output_reloc<SHT_RELA>::is_symbolless): New.
5033         (Output_data_reloc::add_global): Handle is_symbolless.
5034         (Output_data_reloc::add_global_relative): Likewise.
5035         (Output_data_reloc::add_local): Likewise.
5036         (Output_data_reloc::add_local_relative): Likewise.
5037         (Output_data_reloc::add_symbolless_global_addend): New.
5038         (Output_data_reloc::add_symbolless_local_addend): New.
5039         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5040         is_symbolless.
5041         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5042         instead of ->is_relative_
5043         (Output_reloc::write): Likewise.
5044         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5045         (Output_reloc::write_rel): Simplify.
5047         * sparc.cc (Target_sparc::Scan::local): Use
5048         ->add_symbolless_local_addend as needed.
5049         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5050         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5051         based upon relocation offset.
5053 2010-02-11  Doug Kwan  <dougkwan@google.com>
5055         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5056         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5057         beginning of function.
5058         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5059         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5060         parameter is_32bit in calls to should_apply_static_reloc.
5061         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5062         (check_DATA): Add arm_abs_global.stdout.
5063         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5064         arm_abs_global.stdout): New rules.
5065         (MOSTLLYCLEANFILES): Add arm_abs_global
5066         * Makefile.in: Regenerate.
5067         * testsuite/arm_abs_global.s: New file.
5068         * testsuite/arm_abs_global.sh: Ditto.
5069         * testsuite/arm_abs_lib.s: Ditto.
5071 2010-02-11  Ian Lance Taylor  <iant@google.com>
5073         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5074         Read_relocs task.
5075         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5076         Allocate_commons_task first.
5077         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5078         task, rather than symtab_lock_.
5079         (Gc_process_relocs::~Gc_process_relocs): New function.
5080         (Gc_process_relocs::is_runnable): Check this_blocker_.
5081         (Gc_process_relocs::locks): Use next_blocker_ rather than
5082         blocker_.
5083         (Scan_relocs::~Scan_relocs): New function.
5084         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5085         symtab_lock_.
5086         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5087         next_blocker_.
5088         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5089         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5090         constructor accordingly.
5091         (class Gc_process_relocs): Likewise.
5092         (class Scan_relocs): Likewise.
5093         * common.h (class Allocate_commons_task): Remove symtab_lock_
5094         field, and corresponding constructor parameter.
5095         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5096         symtab_lock_.
5097         (Allocate_commons_task::locks): Likewise.
5099 2010-02-11  Ian Lance Taylor  <iant@google.com>
5101         * gold-threads.h (class Once): Define.
5102         (class Initialize_lock): Rewrite as child of Once.
5103         * gold-threads.cc (class Once_initialize): Define.
5104         (once_pointer_control): New static variable.
5105         (once_pointer, once_arg): New static variables.
5106         (c_run_once): New static function.
5107         (Once::Once, Once::run_once, Once::internal_run): New functions.
5108         (class Initialize_lock_once): Remove.
5109         (initialize_lock_control): Remove.
5110         (initialize_lock_pointer): Remove.
5111         (initialize_lock_once): Remove.
5112         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5113         (Initialize_lock::initialize): Rewrite.
5114         (Initialize_lock::do_run_once): New function.
5115         * archive.cc (Archive::interpret_header): Only clear name if it is
5116         not already empty.
5117         * fileread.cc: Include "gold-threads.h"
5118         (file_counts_lock): New static variable.
5119         (file_counts_initialize_lock): Likewise.
5120         (File_read::release): Only increment counts when using --stats.
5121         Use a lock around the increment.
5122         * parameters.cc (class Set_parameters_target_once): Define.
5123         (set_parameters_target_once): New static variable.
5124         (Parameters::Parameters): Move here from parameters.h.
5125         (Parameters::set_target): Rewrite.
5126         (Parameters::set_target_once): New function.
5127         (Parameters::clear_target): Move here and rewrite.
5128         * parameters.h (class Parameters): Update declarations.  Add
5129         set_parameters_target_once_ field.
5130         (Parameters::Parameters): Move to parameters.cc.
5131         (Parameters::clear_target): Likewise.
5132         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5133         task.
5134         (Start_group::~Start_group): New function.
5135         (Start_group::is_runnable): New function.
5136         (Start_group::locks, Start_group::run): New functions.
5137         (Finish_group::run): Change saw_undefined to size_t.
5138         * readsyms.h (class Start_group): Define.
5139         (class Finish_group): Change saw_undefined_ field to size_t.
5140         (Finish_group::Finish_group): Remove saw_undefined and
5141         this_blocker parameters.  Change all callers.
5142         (Finish_group::set_saw_undefined): New function.
5143         (Finish_group::set_blocker): New function.
5144         * symtab.h (class Symbol_table): Change saw_undefined to return
5145         size_t.  Change saw_undefined_ field to size_t.
5146         * target-select.cc (Set_target_once::do_run_once): New function.
5147         (Target_selector::Target_selector): Initialize set_target_once_
5148         field.  Don't initialize lock_ and initialize_lock_ fields.
5149         (Target_selector::instantiate_target): Rewrite.
5150         (Target_selector::set_target): New function.
5151         * target-select.h (class Set_target_once): Define.
5152         (class Target_selector): Update declarations.  Make
5153         Set_target_once a friend.  Remove lock_ and initialize_lock_
5154         fields.  Add set_target_once_ field.
5156 2010-02-10  Ian Lance Taylor  <iant@google.com>
5158         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5159         queueing any tasks.
5160         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5161         (queue_middle_tasks): Add all blockers before queueing any tasks.
5162         (queue_final_tasks): Likewise.
5163         * token.h (Task_token::add_blockers): New function.
5164         * object.h (Input_objects::number_of_relobjs): New function.
5166 2010-02-10  Ian Lance Taylor  <iant@google.com>
5168         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5169         shared, not if not position independent.
5170         * x86_64.cc (Relocate::relocate_tls): Likewise.
5171         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5172         (tls_pie_pic_test): New target.
5173         * testsuite/Makefile.in: Rebuild.
5175         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5176         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5177         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5178         * testsuite/Makefile.in: Rebuild.
5180 2010-02-09  David S. Miller  <davem@davemloft.net>
5182         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5183         R_SPARC_RELATIVE using ->add_local_relative().
5184         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5186         * output.h (Output_data_dynamic::add_section_size): New method
5187         that takes two Output_data objects.
5188         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5189         entry param.  Handle it in initializers.
5190         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5191         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5192         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5193         arg.
5194         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5195         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5196         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5197         for dynrel_includes_plt.
5198         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5199         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5200         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5201         before .rela.plt
5202         (Target_sparc::do_finalize_sections): Update to pass true for
5203         dynrel_includes_plt.
5204         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5205         output before .rela.plt
5206         (Target_powerpc::do_finalize_sections): Update to pass true for
5207         dynrel_includes_plt when 32-bit.
5209 2010-02-08  Doug Kwan  <dougkwan@google.com>
5211         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5212         method.
5213         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5214         Arm_relobj::scan_section_for_cortex_a8_stubs,
5215         Arm_relobj::do_relocation_section): Instead of calling
5216         Output_section::output_address, use faster
5217         Arm_relobj::simple_input_section_output_address.
5219 2010-02-08  David S. Miller  <davem@davemloft.net>
5221         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5222         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5223         relocation helper function.
5225         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5226         just like R_SPARC_GOT{10,13,22}.
5227         (Target_sparc::Scan::local): Likewise.
5228         (Target_sparc::Relocate:relocate): Likewise.
5230 2010-02-06  Ian Lance Taylor  <iant@google.com>
5232         * configure.ac: Rewrite targetobjs duplicate removal code to use
5233         only shell constructs.
5234         * configure: Rebuild.
5236 2010-02-05  Doug Kwan  <dougkwan@google.com>
5238         PR 11247
5239         * arm.cc (Arm_relobj::section_is_scannable): New method.
5240         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5241         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5243 2010-02-04  Doug Kwan  <dougkwan@google.com>
5245         PR 11247
5246         * arm-reloc-property.cc (cstdio): Include.
5247         * configure.ac (targetobjs): Remove duplicates.
5248         * configure: Regenerate.
5249         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5250         big and little endian version for a given address size.
5252 2010-02-03  Doug Kwan  <dougkwan@google.com>
5254         * arm-reloc-property.cc
5255         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5256         definition.
5257         * arm-reloc-property.h
5258         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5259         New method definition.
5260         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5261         declaration.
5262         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5263         overflow to N.
5264         (GOT_PREL): Change implemented to Y.
5265         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5266         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5267         (Arm_relocate_functions::movw_abs_nc): Remove method.
5268         (Arm_relocate_functions::movt_abs): Ditto.
5269         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5270         (Arm_relocate_functions::thm_movt_abs): Ditto.
5271         (Arm_relocate_functions::movw_rel_nc): Ditto.
5272         (Arm_relocate_functions::movw_rel): Ditto.
5273         (Arm_relocate_functions::movt_rel): Ditto.
5274         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5275         (Arm_relocate_functions:thm_movw_rel): Ditto.
5276         (Arm_relocate_functions:thm_movt_rel): Ditto.
5277         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5278         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5279         New method definitions.
5280         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5281         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5282         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5283         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5284         (Target_arm::Relocate::relocate): Check for non-static or
5285         unimplemented relocation code and exit early.  Change calls to
5286         Target_arm::reloc_uses_thumb_bit and
5287         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5288         instead.  Refactor code to handle similar relocations to increase
5289         code sharing.  Remove check for unsupported relocation code in switch
5290         statement.
5291         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5292         relocation property table to find out size.  Change error message to
5293         print out the name of a relocation code instead of the numeric value.
5294         (Target_arm::scan_reloc_for_stub): Use relocation property table
5295         instead of calling Target_arm::reloc_uses_thumb_bit().
5297 2010-02-02  Doug Kwan  <dougkwan@google.com>
5299         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5300         types of relaxed input section.
5302 2010-02-02  Doug Kwan  <dougkwan@google.com>
5304         * Makefile.am (HFILES): Add arm-reloc-property.h.
5305         (DEFFILES): New.
5306         (TARGETSOURCES): Add arm-reloc-property.cc
5307         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5308         (libgold_a_SOURCES): $(DEFFILES)
5309         * Makefile.in: Regenerate.
5310         * arm-reloc-property.cc: New file.
5311         * arm-reloc-property.h: New file.
5312         * arm-reloc.def: New file.
5313         * arm.cc: Update comments.
5314         (arm-reloc-property.h): New included header.
5315         (arm_reloc_property_table): New global variable.
5316         (Target_arm::do_select_as_default_target): New method definition.
5317         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5318         arm-reloc-property to targ_extra_obj.
5319         * parameters.cc (set_parameters_target): Call
5320         Target::select_as_default_target().
5321         * target.h (Target::select_as_default_target): New method definition.
5322         (Target::do_select_as_default_target): Same.
5324 2010-02-01  Doug Kwan  <dougkwan@google.com>
5326         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5327         first_output_text_section_.
5328         (Arm_exidx_fixup::first_output_text_section): New method definition.
5329         (Arm_exidx_fixup::first_output_text_section_): New data member.
5330         (Arm_exidx_fixup::process_exidx_section): Record the first text
5331         output section seen.
5332         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5333         and entsize in output section header.
5335 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5337         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5338         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5339         (Arm_relocate_functions::thm_alu11): New Method.
5340         (Arm_relocate_functions::thm_pc8): New Method.
5341         (Arm_relocate_functions::thm_pc12): New Method.
5342         (Target_arm::Scan::local): Handle the relocations.
5343         (Target_arm::Scan::global): Likewise.
5344         (Target_arm::Relocate::relocate): Likewise.
5345         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5347 2010-01-29  Doug Kwan  <dougkwan@google.com>
5349         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5350         of relocation types as ld.
5352 2010-01-29  Doug Kwan  <dougkwan@google.com>
5354         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5355         to public.
5356         (Arm_relocate_functions::thumb_branch_common): Ditto.
5357         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5358         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5359         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5360         Arm_relocate_functions::jump24): Remove.
5361         (Target_arm::Relocate::relocate): Adjust code to call
5362         Arm_relocation_functions::arm_branch_common and
5363         Arm_relocation_functions::thumb_branch_common instead of their removed
5364         wrappers.  Merge switch-cases together to reduce source code size.
5366 2010-01-29  Doug Kwan  <dougkwan@google.com>
5368         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5369         output_local_symbol_count_needs_update_.
5370         (Arm_relobj::output_local_symbol_count_needs_update,
5371          Arm_relobj::set_output_local_symbol_count_needs_update,
5372          Arm_relobj::update_output_local_symbol_count): New methods.
5373         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5374         member.
5375         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5376         of pointed function as in a R_ARM_PREL31 relocation.
5377         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5378         for output local symbol count updating.
5379         (Target_arm::do_relax): Update output local symbol counts in objects
5380         if necessary.
5381         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5383 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5385         * arm.cc: Added support for the ARM relocations:
5386         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5387         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5388         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5389         movw_prel_nc).
5390         (Arm_relocate_functions::movw_rel): New method.
5391         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5392         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5393         thm_movw_prel_nc).
5394         (Arm_relocate_functions::thm_movw_rel): New method.
5395         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5396         thm_movt_prel).
5397         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5398         relocations.
5399         (Target_arm::Scan::global): Likewise.
5400         (Target_arm::Relocate::relocate): Likewise.
5401         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5402         Likewise.
5404 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5406         * arm.cc: Added support for ARM group relocations.
5407         (Target_arm::reloc_needs_sym_origin): New method.
5408         (Arm_relocate_functions::calc_grp_kn): New method.
5409         (Arm_relocate_functions::calc_grp_residual): New method.
5410         (Arm_relocate_functions::calc_grp_gn): New method.
5411         (Arm_relocate_functions::arm_grp_alu): New Method.
5412         (Arm_relocate_functions::arm_grp_ldr): New Method.
5413         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5414         (Arm_relocate_functions::arm_grp_ldc): New Method.
5415         (Target_arm::Scan::local): Handle the ARM group relocations.
5416         (Target_arm::Scan::global): Likewise.
5417         (Target_arm::Relocate::relocate): Likewise.
5418         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5419         Likewise.
5421 2010-01-26  Doug Kwan  <dougkwan@google.com>
5423         * arm.cc (set): Include.
5424         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5425         pointer type.
5426         (Arm_output_section::Text_section_list): New type.
5427         (Arm_output_section::append_text_sections_to_list): New method.
5428         (Arm_output_section::fix_exidx_coverage): Ditto.
5429         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5430         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5431         Relobj::set_section_offset() instead of
5432         Sized_relobj::invalidate_section_offset().
5433         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5434         parameter for section headers. Ignore relocation sections for
5435         unallocated sections and EXIDX sections.
5436         (Target_arm::fix_exidx_coverage): New method.
5437         (Target_arm::output_section_address_less_than): New type.
5438         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5439         linked text section instead of the EXIDX section.
5440         (Arm_output_section::create_stub_group): Add an assertion to check
5441         that this is not an EXIDX output section.
5442         (Arm_output_section::append_text_sections_to_list): New method.
5443         (Arm_output_section::fix_exidx_coverage): Ditto.
5444         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5445         Arm_relobj::section_needs_reloc_stub_scanning.
5446         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5447         first pass.
5448         (Target_arm::fix_exidx_coverage): New method.
5449         * object.h (Relobj::set_output_section): New method.
5450         (Sized_relobj::invalidate_section_offset): Remove method.
5451         (Sized_relobj::do_invalidate_section_offset): Remove method.
5452         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5454 2010-01-25  Doug Kwan  <dougkwan@google.com>
5456         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5457         Fix warning due to signed and unsigned comparison on a 32-bit host.
5459 2010-01-22  Doug Kwan  <dougkwan@google.com>
5461         * arm.cc (Target_arm::do_relax): Record an output section for section
5462         offset adjustment it contains any stub table that has changed.
5463         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5464         offsets in an output section if necessary.
5465         * output.cc (Output_section::Output_section): Initialize
5466         section_offsets_need_adjustments_.
5467         (Output_section::add_input_section_for_script): Renamed to
5468         Output_section::add_simple_input_section.
5469         (Output_section::save_states): Add a comment.
5470         (Output_section::discard_states): New method defintion.
5471         (Output_section::adjust_section_offsets): Same.
5472         * output.h (Output_section::add_input_section_for_script): Renamed to
5473         Output_section::add_simple_input_section.
5474         (Output_section::discard_states): New method declaration.
5475         (Output_section::adjust_section_offsets): Same.
5476         (Output_section::section_offsets_need_adjustment,
5477         Output_section::set_section_offsets_need_adjustment): New method
5478         definitions.
5479         (Output_section::section_offsets_need_adjustment_): New data member.
5480         * script-sections.cc
5481         (Output_section_element_input::set_section_address): Adjust code for
5482         renaming of Output_section::add_input_section_for_script.
5483         (Orphan_output_section::set_section_address): Same.
5485 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5487         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5488         Fix_v4bx enum values .
5489         * gold/options.h (General_options): New option definitions.
5490         (General_options::fix_v4bx): New method.
5491         (General_options::Fix_v4bx): New enum.
5492         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5493         (General_options::parse_fix_v4bx_interworking): New method.
5495 2010-01-22  Doug Kwan  <dougkwan@google.com>
5497         * arm.cc (Arm_exidx_fixup): New class.
5499 2010-01-21  Doug Kwan  <dougkwan@google.com>
5501         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5502         classes.
5503         (Arm_exidx_section_offset_map): New type.
5505 2010-01-21  Doug Kwan  <dougkwan@google.com>
5507         * arm.cc (Arm_exidx_input_section): New class.
5508         (Arm_relobj::exidx_input_section_by_link,
5509         Arm_relobj::exidx_input_section_by_shndx,
5510         Arm_relobj::make_exidx_input_section): New methods.
5511         (read_arm_attributes_section): Remove.
5512         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5513         information about them.
5514         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5515         to here.
5517 2010-01-20  Doug Kwan  <dougkwan@google.com>
5519         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5520         Input_section_specifier to Section_id.
5521         (Target_arm::new_arm_input_section: Adjust code for change of key
5522         type.
5523         (Target_arm::find_arm_input_section): Ditto.
5524         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5525         (Section_id): Remove.
5526         (Garbage_collection::Section_id_hash): Remove.
5527         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5528         (Section_id): Remove.
5529         (Icf::Section_id_hash): Remove.
5530         * object.h (Section_id, Const_section_id, Section_id_hash,
5531         Const_section_id_hash): New type definitions.
5532         * output.cc (Output_section::add_relaxed_input_section): Change to
5533         use Const_section_id instead of Input_section_specifier as key type.
5534         (Output_section::add_merge_input_section): Ditto.
5535         (Output_section::build_relaxation_map): Change to use Section_id
5536         instead of Input_section_specifier as key type.
5537         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5538         Ditto.
5539         (Output_section::convert_input_sections_to_relaxed_sections): Change
5540         to use Const_section_id instead of Input_section_specifier as key type.
5541         (Output_section::find_merge_section): Ditto.
5542         (Output_section::find_relaxed_input_section): Ditto.
5543         * output.h (Input_section_specifier): Remove class.
5544         (Output_section::Output_section_data_by_input_section_map): Change
5545         key type to Const_section_id.
5546         (Output_section::Output_relaxed_input_section_by_input_section_map):
5547         Ditto.
5548         (Output_section::Relaxation_map): Change key type to Section_id.
5550 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5552         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5553         (class Arm_v4bx_stub): New class.
5554         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5555         (Stub_factory::make_arm_v4bx_stub): New method.
5556         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5557         (Stub_table::empty): Handle v4bx stubs.
5558         (Stub_table::add_arm_v4bx_stub): New method.
5559         (Stub_table::find_arm_v4bx_stub): New method.
5560         (Arm_relocate_functions::v4bx): New method.
5561         (Target_arm::fix_v4bx): New method.
5562         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5563         (Stub_table::relocate_stubs): Likewise.
5564         (Stub_table::do_write): Likewise.
5565         (Stub_table::update_data_size_and_addralign): Likewise.
5566         (Stub_table::finalize_stubs):  Likewise.
5567         (Target_arm::Scan::local): Likewise.
5568         (Target_arm::Scan::global): Likewise.
5569         (Target_arm::do_finalize_sections): Likewise.
5570         (Target_arm::Relocate::relocate): Likewise.
5571         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5572         Likewise.
5573         (Target_arm::scan_reloc_for_stub): Likewise.
5574         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5576 2010-01-19  Ian Lance Taylor  <iant@google.com>
5578         * output.cc (Output_section_headers::do_sized_write): Write large
5579         segment count to sh_info field.
5580         (Output_file_header::do_sized_write): For large segment count,
5581         write PN_XNUM to e_phnum field.
5583 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5585         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5586         (Arm_relocate_functions::thm_jump8): New function.
5587         (Arm_relocate_functions::thm_jump11): New function.
5588         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5589         R_ARM_THM_JUMP11.
5590         (Target_arm::Scan::global): Likewise.
5591         (Target_arm::Relocate::relocate): Likewise.
5592         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5593         Likewise.
5595 2010-01-14  Doug Kwan  <dougkwan@google.com>
5597         * arm.cc (map, utility): Include headers.
5598         (Target_arm::apply_cortex_a8_workaround): New method.
5599         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5600         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5601         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5602         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5603         the --[no-]fix-cortex-a8 command line options.
5604         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5605         (Target_arm::relocate_stub): Use addend in instruction template.
5606         * options.h (DEFINE_bool): Set the user-set flag.
5607         (General_options): Add --[no-]-fix-cortex options.
5608         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5609         : Update fast look-up map after conversion.
5611 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5613         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5614         in the first pass of do_layout.
5616 2010-01-13  Doug Kwan  <dougkwan@google.com>
5618         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5619         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5620         apparent compiler problem of not folding static constant integral
5621         data members of elfcpp::Elf_sizes<32>.
5623 2010-01-13  Doug Kwan  <dougkwan@google.com>
5625         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5626         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5627         Arm_relobj::scan_section_for_cortex_a8_erratum,
5628         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5629         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5630         sections to scan for relocation stubs into a new method
5631         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5632         relocation and Cortex-A8 stub scanning.
5633         (Target_arm::do_relax): Force stubs to be after stubbed sections
5634         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5635         the beginning of a new relaxation pass.  Update a comment.
5636         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5638 2010-01-12  Ian Lance Taylor  <iant@google.com>
5640         * target-reloc.h (visibility_error): New inline function.
5641         (relocate_section): Call visibility_error.
5642         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5643         (MOSTLYCLEANFILES): Likewise.
5644         (protected_4_pic.o, protected_3.err): New targets.
5645         * testsuite/protected_4.cc: New file.
5647 2010-01-12  Doug Kwan  <dougkwan@google.com>
5649         * arm.cc (Cortex_a8_reloc): New class.
5650         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5651         and cortex_a8_relocs_info_.
5652         (Target_arm::fix_cortex_a8): New method definition.
5653         (Target_arm::Cortex_a8_relocs_info): New type.
5654         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5655         New data member declarations.
5656         (Target_arm::scan_reloc_for_stub): Record information about
5657         relocations for THUMB branches that might be exempted from the
5658         Cortex-A8 workaround.
5659         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5660         at the beginning of a relaxation pass.
5662 2010-01-12  Doug Kwan  <dougkwan@google.com>
5664         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5665         (Arm_relobj::Mapping_symbol_position,
5666          Arm_reloj::Mapping_symbol_position_less,
5667          Arm_relobj::Mapping_symbols_info): New types.
5668         (Target_arm::is_mapping_symbol_name): New method definition.
5669         (Arm_relobj::do_count_local_symbols): Save information about mapping
5670         symbols.
5672 2010-01-11  Doug Kwan  <dougkwan@google.com>
5674         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5675         Arm_relocate_functions::thumb32_branch_upper,
5676         Arm_relocate_functions::thumb32_branch_lower,
5677         Arm_relocate_functions::thumb32_cond_branch_offset,
5678         Arm_relocate_functions::thumb32_cond_branch_upper,
5679         Arm_relocate_functions::thumb32_cond_branch_lower,
5680         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5681         branch offset encoding.
5682         (Arm_relocate_functions::thumb_branch_common): Use new branch
5683         offset encoding methods to avoid code duplication.
5684         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5685         (Stub_addend_reader::operator()): Use new branch encoding method
5686         to avoid code duplication.
5688 2010-01-11  Doug Kwan  <dougkwan@google.com>
5690         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5691         (Target_arm::do_finalize_sections): Define special EXIDX section
5692         symbols only if referenced.
5693         * gc.h (Garbage_collection::add_reference): New method.
5694         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5695         code duplication.
5697 2010-01-11  Ian Lance Taylor  <iant@google.com>
5699         * script.cc (Version_script_info::build_expression_list_lookup):
5700         Change complaing about duplicate wildcard match from error to
5701         warning.
5703         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5704         of 2009-12-30.
5705         (Version_script_info::Version_script_info): Initialize globs_,
5706         default_version_, default_is_global_, and exact_.  Don't
5707         initialize globals_ or locals_.
5708         (Version_script_info::build_lookup_tables): Build local symbols
5709         first.
5710         (Version_script_info::unquote): New function.
5711         (Version_script_info::add_exact_match): New function.
5712         (Version_script_info::build_expression_list_lookup): Remove lookup
5713         parameter.  Add is_global parameter.  Change all callers.  Handle
5714         wildcard pattern specially.  Unquote pattern.  Call
5715         add_exact_match.
5716         (Version_script_info::get_name_to_match): New function.
5717         (Version_script_info::get_symbol_version): New function.
5718         (Version_script_info::get_symbol_version_helper): Remove.
5719         (Version_script_info::check_unmatched_names): Call unquote.
5720         * script.h (class Version_script_info): Change get_symbol_version
5721         to be non-inline and add is_global parameter; change all callers.
5722         Rewrite symbol_is_local.  Update declarations.  Define struct
5723         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5724         Remove globals_ and locals_ members.  Add exact_, globs_,
5725         default_version_, is_global_.
5726         (Version_script_info::Glob): Remove pattern, add expression and
5727         is_global.  Update constructor.  Change all callers.
5728         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5729         default version.
5730         (Versions::symbol_section_contents): If a symbol is undefined, or
5731         defined in a dynamic object, set the version index to
5732         VER_NDX_LOCAL.
5733         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5734         symbol_is_local.
5735         (Symbol_table::add_from_pluginobj): Likewise.
5736         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5738 2010-01-11  Doug Kwan  <dougkwan@google.com>
5740         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5741         (incremental_dump_LDADD): Add linking option for libintl.
5742         * Makefile.in: Regenerate.
5744 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5746         PR gold/11144
5747         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5748         instead of -Ds.
5749         * testsuite/Makefile.in: Regenerated.
5751 2010-01-10  Doug Kwan  <dougkwan@google.com>
5753         * options.h (DEFINE_var): Use parentheses around argument varname__
5754         in macro body to avoid any unintended subsequent substitutions.
5756 2010-01-10  Ian Lance Taylor  <iant@google.com>
5758         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5759         candidates before doing symbol resolution.
5761         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5762         ODR candidates if only one is weak.
5764 2010-01-08  Ian Lance Taylor  <iant@google.com>
5766         * script.cc (Version_script_info::build_expression_list_lookup):
5767         Don't warn about ambiguous version, just record the ambiguity.
5768         (Version_script_info::get_symbol_version_helper): Give error if
5769         version is ambiguous.
5771 2010-01-08  Doug Kwan  <dougkwan@google.com>
5773         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5774           prev_data_size_ and prev_addralign_.  Remove initializer for
5775           deleted data member has_been_changed_.
5776           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5777           to determine if the table is empty.
5778           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5779           Remove.
5780           (Stub_table::add_reloc_stub): Define method in class definition
5781           instead of just declaring it there.
5782           (Stub_table::add_cortex_a8_stub): New method definition.
5783           (Stub_table::update_data_size_and_addralign): Ditto.
5784           (Stub_table::finalize_stubs): Ditto.
5785           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5786           (Stub_table::do_addralign_): Return address alignment in the
5787           (Stub_table::do_reset_address_and_file_offset): Define method in
5788           class definition instead of declaring it there.  Set current data
5789           size to be the data size of the previous pass.
5790           (Stub_table::set_final_data_size): Use current data size as the
5791           final data size.
5792           (Stub_table::relocate_stub): Change parameter type of stub from
5793           Reloc_stub pointer to Stub pointer.
5794           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5795           (Stub_table::Cortex_a8_stub_list): New typedef.
5796           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5797            Stub_table::prev_addralign_): New data member.
5798           (Arm_relobj::Arm_relobj): Initialize data member
5799           section_has_cortex_a8_workaround_.
5800           (Arm_relobj::section_has_cortex_a8_workaround,
5801            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5802            definitions.
5803           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5804           declarations.
5805           (Target_arm::relocate_stub): Change parameter type of stub from
5806           Reloc_stub pointer to Stub pointer.
5807           (Insn_template::size, Insn_template::alignment): Handle
5808           THUMB16_SPECIAL_TYPE.
5809           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5810            Stub_table::update_data_size_and_addralign,
5811            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5812           definitions.
5813           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5814           (Stub_table::do_write): Ditto.
5815           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5817 2010-01-08  Ian Lance Taylor  <iant@google.com>
5819         PR 11108
5820         * symtab.h (class Symbol): Remove fields is_target_special_ and
5821         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5822         (Symbol::is_defined_in_discarded_section): New function.
5823         (Symbol::set_is_defined_in_discarded_section): New function.
5824         (Symbol::has_plt_offset): Rewrite.
5825         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5826         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5827         Don't initialize is_target_special_ or has_plt_offset_.
5828         Initialize is_defined_in_discarded_section_.
5829         (Symbol_table::add_from_relobj): If appropriate, set
5830         is_defined_in_discarded_section.
5831         * resolve.cc (Symbol::override_base_with_special): Don't test
5832         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5833         * target-reloc.h (relocate_section): Do special handling for
5834         symbols defined in discarded sections for global symbols as well
5835         as local symbols.
5837 2010-01-08  Ian Lance Taylor  <iant@google.com>
5839         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5840         the SHT_SYMTAB case.
5842 2010-01-08  Ian Lance Taylor  <iant@google.com>
5844         * object.cc (Sized_relobj::do_layout): Don't get confused if
5845         layout_eh_frame returns NULL.
5847 2010-01-08  Ian Lance Taylor  <iant@google.com>
5849         PR 11084
5850         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5851         dynamic symbol table, use the normal symbol table.
5852         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5853         symbol table.
5855 2010-01-08  Ian Lance Taylor  <iant@google.com>
5857         PR 11072
5858         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5859         sections.
5861 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5863         * version.cc (print_version): Change to "Copyright 2010".
5865 2010-01-08  Ian Lance Taylor  <iant@google.com>
5867         PR 10287
5868         PR 11063
5869         * i386.cc (class Target_i386): Change return type of plt_section
5870         to be non-const.
5871         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5872         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5873         tls_desc_rel_ field.
5874         (Output_data_plt_i386::rel_tls_desc): New function.
5875         (Target_i386::rel_tls_desc_section): New function.
5876         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5877         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5878         R_386_TLS_DESC reloc in rel_tls_desc_section.
5879         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5880         Define struct Tlsdesc_info.
5881         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5882         (Target_x86_64::do_reloc_symbol_index): New function.
5883         (Target_x86_64::add_tlsdesc_info): New function.
5884         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5885         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5886         tlsdesc_rel_ field.
5887         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5888         all callers.
5889         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5890         (Target_x86_64::rela_tlsdesc_section): New function.
5891         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5892         handling.
5893         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5894         (Target_x86_64::do_reloc_addend): New function.
5895         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5896         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5897         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5898         (Output_reloc::type): New function.
5899         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5900         (Output_reloc::is_target_specific): New function.
5901         (Output_reloc::target_arg): New function.
5902         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5903         absolute relocs and target specific relocs.
5904         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5905         add_target_specific.
5906         (class Output_data_reloc) [SHT_RELA]: Likewise.
5907         * output.cc (Output_reloc::Output_reloc): Add four new versions
5908         for absolute relocs and target specific relocs.
5909         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5910         (Output_reloc::get_symbol_index): Likewise.
5911         (Output_reloc::local_section_offset): Check that local_sym_index_
5912         is not TARGET_CODE or 0.
5913         (Output_reloc::symbol_value): Likewise.
5914         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5915         reloc.
5916         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5917         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5918         functions.
5919         * layout.cc (add_target_dynamic_tags): Use output section for
5920         DT_PLTRELSZ and DT_JMPREL.
5922 2010-01-07  Ian Lance Taylor  <iant@google.com>
5924         PR 11061
5925         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5926         function.
5927         (class Output_data_reloc_generic): Define.
5928         (class Output_data_reloc_base): Change base class to
5929         Output_data_reloc_generic.  Change add() method to call
5930         bump_relative_reloc_count for a relative reloc.  Remove
5931         sort_relocs_ field.
5932         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5933         to sort_relocs().
5934         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5935         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5936         appropriate.
5937         * layout.h (class Layout): Update declaration.
5939 2010-01-07  Ian Lance Taylor  <iant@google.com>
5941         * output.h (class Output_data): Add const version of
5942         output_section and do_output_section.
5943         (class Output_section_data): Add const version of
5944         do_output_section.
5945         (class Output_section): Likewise.
5946         * layout.cc (Layout::add_target_dynamic_tags): New function.
5947         * layout.h (class Layout): Update declarations.
5948         * arm.cc (Target_arm::do_finalize_sections): Use
5949         add_target_dynamic_tags.
5950         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5951         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5952         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5953         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5955 2010-01-07  Ian Lance Taylor  <iant@google.com>
5957         PR 11042
5958         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5959         object as needed.
5961 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5962             Ian Lance Taylor  <iant@google.com>
5964         PR 11019
5965         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5966         Xindex::read_symtab_xindex.
5968 2010-01-07  Doug Kwan  <dougkwan@google.com>
5970         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5971         (Insn_template::thumb16_bcond_insn): New method declaration.
5972         (Insn_template): Fix spelling.
5973         (Stub::thumb16_special): New method declaration.
5974         (Stub::do_write): Define virtual method which was previously pure
5975         virtual.
5976         (Stub::do_thumb16_special): New method declaration.
5977         (Stub::do_fixed_endian_write): New template member.
5978         (Reloc_stub::do_write): Remove.
5979         (Reloc_stub::do_fixed_endian_write): Remove.
5980         (Cortex_a8_stub): New class definition.
5981         (Stub_factory::make_cortex_a8_stub): New method definition.
5982         (Stub_factory::Stub_factory): Add missing static storage class
5983         qualifier for elf32_arm_stub_a8_veneer_blx.
5985 2010-01-07  Ian Lance Taylor  <iant@google.com>
5987         PR 10980
5988         * options.h (class General_options): Add --warn-unresolved-symbols
5989         and --error-unresolved-symbols.
5990         * errors.cc (Errors::undefined_symbol): Implement
5991         --warn-unresolved-symbols.
5993         * options.h (class General_options): Add -z text and -z textoff.
5994         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5996 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5998         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5999         (Garbage_collection::cident_sections): New function.
6000         (Garbage_collection::add_cident_section): New function.
6001         (Garbage_collection::cident_sections_): New member.
6002         (gc_process_relocs): Add references to sections whose names are C
6003         identifiers.
6004         * gold.h (cident_section_start_prefix): New constant.
6005         (cident_section_stop_prefix): New constant.
6006         (is_cident): New function.
6007         * layout.cc (Layout::define_section_symbols): Replace string constants
6008         with the newly defined constants.
6009         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6010         C identifiers.
6011         * testsuite/Makefile.am: Add gc_orphan_section_test.
6012         * testsuite/Makefile.in: Regenerate.
6013         * testsuite/gc_orphan_section_test.cc: New file.
6014         * testsuite/gc_orphan_section_test.sh: New file.
6016 2010-01-06  Ian Lance Taylor  <iant@google.com>
6018         PR 10980
6019         * options.h (class General_options): Add --warn-shared-textrel.
6020         * layout.cc (Layout::finish_dynamic_section): Implement
6021         --warn-shared-textrel.
6023         PR 10980
6024         * options.h (class General_options): Add --warn-multiple-gp.
6026 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6028         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6029         $(THREADSLIB) and $(LIBDL).
6030         * Makefile.in: Rebuild.
6032 2010-01-06  Ian Lance Taylor  <iant@google.com>
6034         PR 10980
6035         * options.cc (General_options::parse_section_start): New function.
6036         (General_options::section_start): New function.
6037         (General_options::General_options): Initialize all members.
6038         * options.h: Include <map>
6039         (class General_options): Add --section-start.  Add section_starts_
6040         member.
6041         * layout.cc (Layout::attach_allocated_section_to_segment): If
6042         --section-start was used, set the address of the segment.  Remove
6043         local sort_sections.
6044         (Layout::relaxation_loop_body): If the address of the load segment
6045         has been set by --section-start, don't use it.
6046         * output.h (Output_segment::update_flags_for_output_section): New
6047         function.
6048         * output.cc (Output_segment::add_output_section): Call
6049         update_flags_for_output_section.
6051 2010-01-05  Ian Lance Taylor  <iant@google.com>
6053         PR 10980
6054         * options.h (class General_options): Add --undefined-version.
6055         * script.cc (struct Version_expression): Add was_matched_by_symbol
6056         field.
6057         (Version_script_info::matched_symbol): New function.
6058         (Version_script_info::get_symbol_version_helper): Call
6059         matched_symbol.
6060         (Version_script_info::check_unmatched_names): New function.
6061         * script.h (class Version_script_info): Update declarations.
6062         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6064         * options.h (class General_options): Use DEFINE_bool_alias for
6065         allow_multiple_definition.
6066         * resolve.cc (Symbol_table::should_override): Don't test
6067         allow_multiple_definition.
6069         PR 10980
6070         * options.h (class General_options): Add --cref.
6071         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6072         until after printing cref table.
6073         * cref.cc: Include "symtab.h".
6074         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6075         (Cref_table_compare::operator()): New function.
6076         (Cref_inputs::gather_cref): New function.
6077         (filecol): New static const.
6078         (Cref_inputs::print_cref): New function.
6079         (Cref::print_cref): New function.
6080         * cref.h: Include <cstdio>.
6081         (class Cref): Update declarations.
6082         * mapfile.h (Mapfile::file): New function.
6083         * object.h (class Object): Define Symbols.  Declare virtual
6084         do_get_global_symbols.
6085         (Object::get_global_symbols): New function.
6086         * object.cc (Input_objects::add_object): Pass object to cref_ if
6087         --cref.
6088         (Input_objects::archive_start): Likewise.
6089         (Input_objects::archive_stop): Likewise.
6090         (Input_objects::print_cref): New function.
6091         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6092         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6093         --cref.
6094         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6095         function.
6096         * plugin.h (class Sized_pluginobj): Update declarations.
6098 2010-01-05  Ian Lance Taylor  <iant@google.com>
6100         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6101         to is_default_version.  Rename insdef to insdefault.
6102         (Symbol_table::add_from_relobj): Rename def to is_default_version
6103         and local to is_forced_local.
6104         (Symbol_table::add_from_pluginobj): Likewise.
6105         (Symbol_table::add_from_dynobj): Likewise.
6106         (Symbol_table::define_special_symbol): Rename insdef to
6107         insdefault.
6109 2010-01-04  Ian Lance Taylor  <iant@google.com>
6111         PR 10980
6112         * options.h (class General_options): Add
6113         --allow-multiple-definition and -z muldefs.
6114         * resolve.cc (Symbol_table::should_override): Don't warn about a
6115         multiple symbol definition if --allow-multiple-definition or -z
6116         muldefs.
6118         PR 10980
6119         * options.h (class General_options): Add --add-needed and
6120         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6121         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6122         error if --copy-dt-needed-entries aka --add-needed is used and
6123         would cause a change in behaviour.
6125         PR 10980
6126         * options.h (class General_options): Add -G as a short version of
6127         --shared.  Add no-op options -assert, -g, and -i.
6129 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6131         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6132         check for .text or .gnu.linkonce.t sections.
6133         * icf.cc (Icf::find_identical_sections): Ditto.
6134         Change the detection for mangled function name within the section
6135         name.
6136         * icf.h (is_section_foldable_candidate): New function.
6138 2009-12-30  Ian Lance Taylor  <iant@google.com>
6140         PR 10980
6141         * options.h (class General_options): Permit two dashes with
6142         --retain-symbols-file.
6144 2009-12-30  Ian Lance Taylor  <iant@google.com>
6146         PR 10979
6147         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6148         don't put the file header and segment headers in the text
6149         segment.
6151         PR 10979
6152         * common.cc (Sort_commons::operator()): Stabilize sort when both
6153         entries are NULL.
6154         (Symbol_table::do_allocate_commons_list): When allocating common
6155         symbols, skip a symbol which is no longer common.
6156         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6157         an object before checking its type.
6158         * testsuite/common_test_2.c: New file.
6159         * testsuite/common_test_3.c: New file.
6160         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6161         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6162         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6163         (common_test_2_pic.o, common_test_2.so): New targets.
6164         (common_test_3_pic.o, common_test_3.so): New targets.
6165         * testsuite/Makefile.in: Rebuild.
6167         PR 10979
6168         * script.cc (read_input_script): If we see a new SECTIONS clause,
6169         and we have added an input section, give an error.
6170         * layout.h (class Layout): Add have_added_input_section function.
6171         Add have_added_input_section_ field.
6172         * layout.cc (Layout::Layout): Initialize
6173         have_added_input_section_.
6174         (Layout::layout): Set have_added_input_section_.
6175         (Layout::layout_eh_frame): Likewise.
6177 2009-12-30  Ian Lance Taylor  <iant@google.com>
6179         PR 10931
6180         * options.h (class General_options): Add --sort-common option.
6181         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6182         * common.cc (Sort_common): Add sort_order parameter to
6183         constructor.  Add sort_order_ field.
6184         (Sort_commons::operator): Check sort_order_.
6185         (Symbol_table::allocate_commons): Determine the sort order.
6186         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6187         Change all callers.
6188         (Symbol_table::do_allocate_commons_list): Likewise.
6190 2009-12-30  Ian Lance Taylor  <iant@google.com>
6192         PR 10916
6193         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6194         symbols from this object, don't change the visibility of an
6195         undefined symbol.
6196         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6198 2009-12-30  Ian Lance Taylor  <iant@google.com>
6200         PR 10861
6201         * script.h (class Version_script_info): Define Language enum.
6202         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6203         new fields globals_, locals_, and is_finalized_.
6204         * script.cc: Various formatting fixes.
6205         (class Parser_closure): Change language_stack_ from a vector of
6206         std::string to one of Version_script_info::Language.  Adjust all
6207         uses accordingly.
6208         (class Lazy_demangler): Remove.
6209         (struct Version_expression): Change language from std::string to
6210         Version_script_info::Language.
6211         (Version_script_info::Version_script_info): New function.
6212         (Version_script_info::~Version_script_info): Don't call clear.
6213         (Version_script_info::finalize): New function.
6214         (Version_script_info::build_lookup_tables): New function.
6215         (Version_script_info::build_expression_list_lookup): New
6216         function.
6217         (Version_script_info::get_symbol_version_helper): Rewrite to use
6218         lookup tables.
6219         (Version_script_info::print_expression_list): Adjust to use
6220         Version_script_info::Language.
6221         (script_push_lex_into_version_mode): Check that the version script
6222         has not been finalized.
6223         (version_script_push_lang): Change language string to
6224         Version_script_info::Language.
6225         * options.cc (Command_line::version_script): New function.
6226         * options.h (class General_options): Add finalize_dynamic_list
6227         function.  Change version_script from declaration to definition.
6228         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6229         * testsuite/version_script.map: Remove duplicate def of foo.
6230         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6231         version_script.map.
6232         * testsuite/Makefile.in: Rebuild.
6234 2009-12-30  Ian Lance Taylor  <iant@google.com>
6236         PR 10843
6237         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6238         if the input symbol index is 0, make the output symbol index 0.
6240 2009-12-30  Ian Lance Taylor  <iant@google.com>
6242         PR 10670
6243         * options.h (class General_options): Add -x/--discard-all.
6244         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6245         --discard-all.  If the local symbol needs a dynamic entry, check
6246         that before handling --discard-locals.
6248 2009-12-30  Ian Lance Taylor  <iant@google.com>
6250         PR 10450
6251         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6252         flags to PF_R.
6253         (Output_segment::add_output_section): Don't change the flags if
6254         the type is PT_TLS.
6256         PR 10450
6257         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6258         GNU hash table if they need a dynamic value.  Otherwise, don't add
6259         them if they are defined in a dynamic object or are forced local.
6261 2009-12-29  Ian Lance Taylor  <iant@google.com>
6263         PR 10450
6264         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6265         .gnu.hash table for a 32-bit target.
6267         PR 10450
6268         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6269         regular and a dynamic object only needs a dynamic symbol table
6270         entry if it is externally visible.
6272         PR 10450
6273         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6274         constructor.  Add global_offset_table_ field.
6275         (Target_i386::got_section): Set global_offset_table_.
6276         (Target_i386::do_finalize_sections): Set global_offset_table_
6277         size.
6278         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6279         in constructor.  Add global_offset_table_ field.
6280         (Target_x86_64::got_section): Set global_offset_table_.
6281         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6282         size.
6284         * layout.cc (Layout::Layout): Initialize increase_relro_.
6285         (Layout::get_output_section): Add is_relro, is_last_relro, and
6286         is_first_non_relro parameters.  Change all callers.
6287         (Layout::choose_output_section): Likewise.
6288         (Layout::add_output_section_data): Likewise.
6289         (Layout::make_output_section): Likewise.
6290         (Layout::set_segment_offsets): Clear increase_relro when using a
6291         linker script.
6292         * layout.h (class Layout): Add increase_relro method.  Add
6293         increase_relro_ field.  Update declarations.
6294         * output.cc (Output_section::Output_section): Initialize
6295         is_last_relro_ and is_first_non_relro_.
6296         (Output_segment::add_output_section): Group relro sections is
6297         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6298         (Output_segment::maximum_alignment): Remove relro handling.
6299         (Output_segment::set_section_addresses): Add increase_relro
6300         parameter.  Change all callers.  Add initial alignment to align
6301         relro sections on separate page.  Remove old relro handling.
6302         (Output_segment::set_section_list_addresses): Remove in_relro
6303         parameter.  Change all callers.
6304         (Output_segment::set_offset): Add increase parameter.  Change all
6305         callers.  Remove old relro handling.
6306         * output.h (class Output_section): Add new methods: is_last_relro,
6307         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6308         Add is_last_relro_ and is_first_non_relro_ fields.
6309         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6310         Create separate .got.plt section.  Call increase_relro.
6311         * x86_64.cc (Target_x86_64::got_section): Likewise.
6312         * testsuite/relro_script_test.t: Add .got.plt.
6314         PR 10450
6315         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6316         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6317         (Layout::finalize): Call set_dynamic_symbol_size.
6318         (Layout::set_dynamic_symbol_size): New function.
6319         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6320         set_dynamic_symbol_size.
6322         PR 10450
6323         * output.h (class Output_section): Add is_entsize_zero_ field.
6324         * output.cc (Output_section::Output_section): Initialize
6325         is_entsize_zero_.
6326         (Output_section::set_entsize): If two different entsizes are
6327         requested, force it to zero.
6328         (Output_section::add_input_section): Set flags for .debug_str
6329         before updating section flags.  Set entsize.
6330         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6331         and SHF_STRING if all input sections have those flags.
6333 2009-12-29   Rafael Espindola  <espindola@google.com>
6335         * main.cc (main): Fix the sys time reporting.
6336         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6337         reporting.
6339 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6341         * options.cc (General_options::parse_version): Allow -v to exit
6342         without an error if there is nothing to link.
6344 2009-12-29  Ian Lance Taylor  <iant@google.com>
6346         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6347         using a version of gcc before 4.1.
6348         * configure: Rebuild.
6350 2009-12-28  Chris Demetriou  <cgd@google.com>
6352         * attributes.cc (Output_attributes_section_data::do_write): Use
6353         std::vector::front rather than std::vector::data.
6355 2009-12-28  Ian Lance Taylor  <iant@google.com>
6357         * symtab.h (class Symbol_table): Add enum Defined.
6358         * resolve.cc (Symbol_table::should_override): Add defined
6359         parameter.  Change all callers.  Test whether object is NULL
6360         before calling a method on it.
6361         (Symbol_table::report_resolve_problem): Add defined parameter.
6362         Change all callers.
6363         (Symbol_table::should_override_with_special): Likewise.
6364         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6365         parameter.  Change all callers.
6366         (Symbol_table::do_define_in_output_data): Likewise.
6367         (Symbol_table::define_in_output_segment): Likewise.
6368         (Symbol_table::do_define_in_output_segment): Likewise.
6369         (Symbol_table::define_as_constant): Likewise.
6370         (Symbol_table::do_define_as_constant): Likewise.
6371         * script.h (class Symbol_assignment): Add is_defsym parameter to
6372         constructor; change all callers.
6373         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6374         parameter.  Change all callers.  Add is_defsym_ field.
6375         (class Parser_closure): Add parsing_defsym parameter to
6376         constructor; change all callers.  Add parsing_defsym accessor
6377         function.  Add parsing_defsym_ field.
6379 2009-12-28  Ian Lance Taylor  <iant@google.com>
6381         * gold.cc (queue_middle_tasks): Fix formatting.
6382         * object.cc (Relobj::is_section_name_included): Likewise.
6384 2009-12-23  Ian Lance Taylor  <iant@google.com>
6386         * i386.cc (Target_i386::do_calls_non_split): Recognize
6387         -fsplit-stack prologue for a function with a static chain.
6388         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6389         -fsplit-stack prologue when using %r11.
6391 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6393         * options.cc (General_options::parse_version): Make -v continue and do
6394         the link like GNU ld does.
6396 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6398         * Makefile.am (CCFILES): Add timer.cc.
6399         (HFILES): Add timer.h.
6400         * configure.ac: Check for sysconf and times.
6401         * main.cc: include timer.h.
6402         (main): Use Timer instead of get_run_time.
6403         * timer.cc: New.
6404         * timer.h: New.
6405         * workqueue.cc: include timer.h.
6406         (Workqueue::find_and_run_task):
6407         Report user, sys and wall time.
6408         * Makefile.in: Regenerate.
6409         * config.in: Regenerate.
6410         * configure: Regenerate.
6412 2009-12-16  Doug Kwan  <dougkwan@google.com>
6414         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6415         sections.
6416         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6417         relaxed input sections.
6418         * output.cc (Output_section::find_relaxed_input_section): Change
6419         return type to Output_relaxed_input_section pointer.  Adjust code
6420         for new type of relaxed_input_section_map_.
6421         * output.h (Output_section::find_relaxed_input_section): Change
6422         return type to Output_relaxed_input_section pointer.
6423         (Output_section::Output_relaxed_input_section_by_input_section_map):
6424         New type.
6425         (Output_section::relaxed_input_section_map_): Change type to
6426         Output_section::Output_relaxed_input_section_by_input_section_map.
6427         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6428         input section.
6430 2009-12-15  Ian Lance Taylor  <iant@google.com>
6432         * layout.cc (Layout::create_shstrtab): Only write out after input
6433         sections if we are compressing debug sections.
6435 2009-12-15  Ian Lance Taylor  <iant@google.com>
6437         * archive.cc (Archive::add_symbols): Only look up a symbol without
6438         a version if there is, in fact, a version.
6440 2009-12-14  Ian Lance Taylor  <iant@google.com>
6442         Revert -Wshadow changes, all changes from:
6443         2009-12-11  Doug Kwan  <dougkwan@google.com>
6444         2009-12-11  Nick Clifton  <nickc@redhat.com>
6445         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6447 2009-12-11  Doug Kwan  <dougkwan@google.com>
6449         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6450         due to -Wshadow.
6451         * attributes.cc (Object_attribute::size): Ditto.
6452         (Attributes_section_data::size): Ditto.
6453         (Attributes_section_data::Attributes_section_data): Ditto.
6454         (Output_attributes_section_data::do_write): Ditto.
6455         * attributes.h (Object_attribute::set_type): Ditto.
6456         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6458 2009-12-11  Nick Clifton  <nickc@redhat.com>
6460         * archive.cc: Fix shadowed variable warnings.
6461         * arm.cc: Likewise.
6462         * compressed_output.cc: Likewise.
6463         * compressed_output.h: Likewise.
6464         * configure: Likewise.
6465         * dwarf_reader.cc: Likewise.
6466         * dynobj.cc: Likewise.
6467         * dynobj.h: Likewise.
6468         * ehframe.cc: Likewise.
6469         * ehframe.h: Likewise.
6470         * errors.cc: Likewise.
6471         * expression.cc: Likewise.
6472         * fileread.cc: Likewise.
6473         * fileread.h: Likewise.
6474         * freebsd.h: Likewise.
6475         * i386.cc: Likewise.
6476         * icf.cc: Likewise.
6477         * incremental.h: Likewise.
6478         * layout.cc: Likewise.
6479         * layout.h: Likewise.
6480         * mapfile.cc: Likewise.
6481         * merge.cc: Likewise.
6482         * merge.h: Likewise.
6483         * object.cc: Likewise.
6484         * object.h: Likewise.
6485         * options.h: Likewise.
6486         * output.cc: Likewise.
6487         * output.h: Likewise.
6488         * parameters.cc: Likewise.
6489         * plugin.cc: Likewise.
6490         * powerpc.cc: Likewise.
6491         * reduced_debug_output.cc: Likewise.
6492         * reduced_debug_output.h: Likewise.
6493         * reloc.cc: Likewise.
6494         * reloc.h: Likewise.
6495         * resolve.cc: Likewise.
6496         * script-sections.cc: Likewise.
6497         * script.cc: Likewise.
6498         * script.h: Likewise.
6499         * sparc.cc: Likewise.
6500         * symtab.cc: Likewise.
6501         * symtab.h: Likewise.
6502         * target-select.cc: Likewise.
6503         * target-select.h: Likewise.
6504         * token.h: Likewise.
6505         * workqueue.cc: Likewise.
6506         * workqueue.h: Likewise.
6507         * x86_64.cc: Likewise.
6509 2009-12-10  Doug Kwan  <dougkwan@google.com>
6511         * arm.cc (attributes.h): New include.
6512         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6513         (Arm_relobj::~Arm_relobj): Delete object pointed by
6514         attributes_section_data_.
6515         (Arm_relobj::attributes_section_data): New method definition.
6516         (Arm_relobj::attributes_section_data_): New data member declaration.
6517         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6518         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6519         attributes_section_data_.
6520         (Arm_dynobj::attributes_section_data): New method definition.
6521         (Arm_dynobj::attributes_section_data_): New data member declaration.
6522         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6523         initialization value of may_use_blx_ to false.
6524         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6525         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6526         object attributes to compute results instead of hard-coding.
6527         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6528         Target_arm::get_secondary_compatible_arch,
6529         Target_arm::set_secondary_compatible_arch
6530         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6531         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6532         New method declarations.
6533         (Target_arm::get_aeabi_object_attribute): New method definition.
6534         (Target_arm::attributes_section_data_): New data member declaration.
6535         (read_arm_attributes_section): New template definition.
6536         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6537         (Arm_dynobj::do_read_symbols): Ditto.
6538         (Target_arm::do_finalize_sections): Merge attributes sections from
6539         input.  Check for BLX use after attributes section merging.
6540         Fix __exidx_start and __exidx_end visibility.  Create an
6541         .ARM.attributes section if necessary.
6542         (Target_arm::get_secondary_compatible_arch,
6543         Target_arm::set_secondary_compatible_arch,
6544         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6545         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6546         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6547         New method definitions.
6549 2009-12-09  Ian Lance Taylor  <iant@google.com>
6551         * plugin.cc (Plugin::load): Don't cast from void* to a function
6552         pointer.
6554 2009-12-09  Ian Lance Taylor  <iant@google.com>
6556         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6557         information fields.
6559 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6561         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6562         Replace two_file_shared_1.so with two_file_shared_2.so.
6563         * testsuite/Makefile.in: Regenerated.
6565 2009-12-08  Doug Kwan  <dougkwan@google.com>
6567         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6568         (HFILES): Add attributes.h and int_encoding.h.
6569         * Makefile.in: Regenerate.
6570         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6571         function definitions to int_encoding.cc
6572         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6573         prototypes to int_encoding.h
6574         * reduced_debug_output.cc (int_encoding.h): New include.
6575         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6576         function definitions to int_encoding.cc
6577         (insert_into_vector, read_from_pointer): Move template definitions to
6578         int_encoding.h
6579         * attributes.cc: New file.
6580         * attributes.h: New file.
6581         * int_encoding.cc: New file.
6582         * int_encoding.h: New file.
6584 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6586         PR gold/11055
6587         * incremental-dump.cc (dump_incremental_inputs): New.
6588         (main): Use dump_incremental_inputs.
6590 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6592         PR gold/10893
6593         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6594         checking elfcpp::STT_FUNC.
6595         (Target_i386::Relocate::relocate): Likewise.
6596         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6598         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6599         symbols from shared libraries into normal FUNC symbols.
6601         * symtab.h (Symbol): Add is_func and use it.
6603 2009-12-05  Doug Kwan  <dougkwan@google.com>
6605         * arm.cc (Target_arm::arm_info): Initialize new fields
6606         attributes_section and attributes_vendor.
6607         * i386.cc (Target_i386::i386_info): Same.
6608         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6609         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6610         fields attributes_section and attributes_vendor.
6611         * sparc.cc (Target_sparc::sparc_info): Same.
6612         * target.h (Target::attributes_section, Target::attributes_vendor,
6613         Target::is_attributes_section, Target::attribute_arg_type,
6614         Target::attributes_order): New method definitions.
6615         (Target::Target_info::attributes_section,
6616         Target::Target_info::attributes_vendor): New fields.
6617         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6618         virtual method definitions.
6619         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6620         attributes_section and attributes_vendor.
6621         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6623 2009-12-05  Doug Kwan  <dougkwan@google.com>
6625         * arm.cc: Update comments about interworking and stub generation.
6626         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6627         considered as non-PIC.
6628         (Arm_relocate_functions::base_abs): Fix formatting.
6629         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6630         of function to use GOT entry address instead of offset.
6631         (Target_arm::Scan::global): Issue an error if a symbol would need a
6632         PLT does not get one because it is untyped.  Remove code to create
6633         dynamic symbols for relative branches.
6634         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6635         takes unsigned integer instead of boolean.
6637 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6639         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6640         (two_file_test_LDADD): Likewise.
6641         (common_test_1_LDADD): Likewise.
6642         (exception_test_LDADD) Likewise.
6643         (weak_test_LDADD): Likewise.
6644         (many_sections_test_LDADD): Likewise.
6645         (initpri1_LDADD): Likewise.
6646         (script_test_1_LDADD): Likewise.
6647         (script_test_2_LDADD): Likewise.
6648         (justsyms_LDADD): Likewise.
6649         (binary_test_LDADD): Likewise.
6650         (large_LDADD): Likewise.
6651         * testsuite/Makefile.in: Regenerated.
6653 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6655         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6656         (Symbol_table::override_with_special): Likewise.
6657         (Symbol_table::add_from_object): Likewise.
6659 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6661         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6662         Don't set the data_offset twice.
6664 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6666         * testsuite/Makefile.in: Regenerate.
6668 2009-12-03  Doug Kwan  <dougkwan@google.com>
6670         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6671         (Target_arm::do_finalize_sections): Add parameter for symbol table
6672         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6673         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6674         parameter for symbol table pointer.
6675         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6676         an additional parameter for a pointer to symbol table.
6677         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6678         parameter for a symbol table pointer.
6679         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6680         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6681         Ditto.
6682         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6683         parameter for a symbol table pointer.
6685 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6687         * incremental.cc (Incremental_inputs_header)
6688         (Incremental_inputs_header_write, Incremental_inputs_entry)
6689         (Incremental_inputs_entry_write): Move ...
6690         * incremental.h (Incremental_inputs_header)
6691         (Incremental_inputs_header_write, Incremental_inputs_entry)
6692         (Incremental_inputs_entry_write): here.
6694 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6696         * incremental.cc (make_sized_incremental_binary): Set the target.
6697         Error if it is incompatible.
6698         * output.h (Output_file): Add filename method.
6700 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6702         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6703         from the get_* methods.
6705 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6707         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6708         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6709         Write 0 for the data_offset of scripts.
6711 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6713         * testsuite/Makefile.am: Add the incremental_test.sh test.
6714         * testsuite/incremental_test.sh: New.
6715         * testsuite/incremental_test_1.c: New.
6716         * testsuite/incremental_test_2.c: New.
6718 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6720        * incremental-dump.cc (main): Fix typos.
6722 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6724         PR gold/11025
6725         * incremental-dump.cc (main): Use llu to print 64 bit values.
6727 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6728             H.J. Lu  <hongjiu.lu@intel.com>
6730         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6731         $(LIBDL).
6732         (incremental_dump_LDADD): Likewise.
6733         * Makefile.in: Regenerated.
6735 2009-11-25  Doug Kwan  <dougkwan@google.com>
6737         Revert:
6739         2009-11-25  Doug Kwan  <dougkwan@google.com>
6741                 * arm.cc (Target_arm::Target_arm): Move method definition
6742                 outside of class definition.  Add code to handle
6743                 --target1-rel, --target1-abs and --target2= options.
6744                 (Target_arm::get_reloc_reloc_type): Change method to be
6745                 non-static and const.
6746                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6747                 New data member declaration.
6748                 (Target_arm::Scan::local, Target_arm::Scan::global,
6749                 Target_arm::Relocate::relocate,
6750                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6751                 Adjust call to Target_arm::get_real_reloc_type.
6752                 (Target_arm::get_real_reloc_type): Use command line options
6753                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6754                 * options.h (--target1-rel, --target1-abs, --target2): New
6755                 ARM-only options.
6757 2009-11-25  Doug Kwan  <dougkwan@google.com>
6759         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6760         class definition.  Add code to handle --target1-rel, --target1-abs
6761         and --target2= options.
6762         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6763         and const.
6764         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6765         member declaration.
6766         (Target_arm::Scan::local, Target_arm::Scan::global,
6767         Target_arm::Relocate::relocate,
6768         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6769         call to Target_arm::get_real_reloc_type.
6770         (Target_arm::get_real_reloc_type): Use command line options to
6771         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6772         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6773         options.
6775 2009-11-25  Doug Kwan  <dougkwan@google.com>
6777         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6778         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6779         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6780         formatting.
6781         (Arm_relocate_functions::thm_call): Replace body with a call to
6782         Arm_relocate_functions::thumb_branch_common.
6783         (Arm_relocate_functions::thm_jump24,
6784         Arm_relocate_functions::thm_xpc22): New method definitions.
6785         (Arm_relocate_functions::thumb_branch_common): New method definition.
6786         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6787         operator.
6788         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6789         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6791 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6793         * Makefile.am: Build incremental-dump
6794         * Makefile.in: Regenerate.
6795         * incremental-dump.cc: New.
6796         * incremental.cc (Incremental_inputs_header_data,
6797         Incremental_inputs_entry_data): Move to incremental.h
6798         * incremental.h: (Incremental_inputs_header_data,
6799         Incremental_inputs_entry_data): Move from incremental.cc
6801 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6803         * incremental.cc (Incremental_inputs_header,
6804         Incremental_inputs_header_write, Incremental_inputs_entry,
6805         Incremental_inputs_entry_write): Add a typedef with the data type.
6807 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6809         * incremental.cc (Incremental_inputs_header,
6810         Incremental_inputs_header_write, Incremental_inputs_entry,
6811         Incremental_inputs_entry_write): Update comment about which
6812         type has the filed descriptions.
6814 2009-11-15  Doug Kwan  <dougkwan@google.com>
6816         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6817         (Arm_relocate_functions::arm_branch_common): Change method defintion
6818         in class definition to a method declaration and update list of formal
6819         parameters.
6820         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6821         Arm_relocation_functions::jump24): Adjust call to
6822         Arm_relocate_functions::arm_branch_common.  Update list of formal
6823         parameters.
6824         (Arm_relocate_functions::xpc25): New method definition.
6825         (Arm_relocate_functions::arm_branch_common): Move method defintion
6826         out from class definition.  Use stubs for mode-switching and extending
6827         branch ranges.
6828         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6829         specially.  Change code to enable use of stubs in ARM branches.
6831 2009-11-10  Doug Kwan  <dougkwan@google.com>
6833         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6834         in method declaration.
6835         (Target_arm::relocate_stub): New method declaration.
6836         (Target_arm::default_target): Change to return a pointer instead of
6837         a const reference.
6838         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6839         Target_arm::default_target.
6840         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6841         method definition.
6842         (Target_arm::relocate_section): Adjust view.
6843         (Target_arm::relocate_stub): New method definition.
6845 2009-11-10  Doug Kwan  <dougkwan@google.com>
6847         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6848         a format warning.
6849         * incremental.cc (open_incremental_binary): Initialized local
6850         variables to avoid warnings.
6851         * object.cc (make_elf_object): Ditto.
6852         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6853         a format warning.
6855 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6857         PR gold/10930
6858         * testsuite/plugin_test.c: Include "config.h".
6860 2009-11-09  Doug Kwan  <dougkwan@google.com>
6862         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6863         (arm_symbol_value): Remove.
6864         (Arm_relocate_functions::arm_branch_common,
6865         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6866         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6867         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6868         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6869         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6870         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6871         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6872         Arm_relocate_functions::thm_mobw_abs_nc,
6873         Arm_relocate_functions::thm_mov_abs,
6874         Arm_relocate_functions::movw_prel_nc,
6875         Arm_relocate_functions::thm_movt_abs,
6876         Arm_relocate_functions::movt_prel,
6877         Arm_relocate_functions::thm_movw_prel_nc,
6878         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6879         (Target_arm::Relocate::relocate): Only decompose address into two
6880         parts if relocation type uses the thumb-bit and pass the actual
6881         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6882         calls to methods in Arm_relocate_functions for this change.
6884 2009-11-08  Ian Lance Taylor  <iant@google.com>
6886         PR 10925
6887         * reloc.cc: Instantiate
6888         Sized_relobj::initialize_input_to_output_maps and
6889         Sized_relobj:free_input_to_output_maps.
6891 2009-11-06  Ian Lance Taylor  <iant@google.com>
6893         PR 10876
6894         * defstd.cc (in_segment): Set only_if_ref true for "end".
6896 2009-11-06  Doug Kwan  <dougkwan@google.com>
6898         * arm.cc (class Reloc_stub): Correct a comment.
6899         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6900         (Target_arm::scan_section_for_stubs): New method declaration.
6901         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6902         Change methods from private to protected.
6903         (Target_arm::do_may_relax): New method definition.
6904         (Target_arm::do_relax, Target_arm::group_sections,
6905         Target_arm::scan_reloc_for_stub,
6906         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6907         (Target_arm::arm_input_section_map_): New data member declaration.
6908         (Target_arm::scan_reloc_for_stub,
6909         Target_arm::scan_reloc_section_for_stubs,
6910         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6911         Target_arm::do_relax): New method definitions.
6913 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6915         * configure.ac: Check for (struct stat)::st_mtim
6916         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6917         * config.in: Regenerate.
6918         * configure: Regenerate.
6920 2009-11-05  Ian Lance Taylor  <iant@google.com>
6922         PR 10910
6923         * output.cc (Output_segment::add_output_section): Add missing
6924         return statement.
6926 2009-11-04  Ian Lance Taylor  <iant@google.com>
6928         PR 10880
6929         * object.h (class Object): Add is_needed and set_is_needed
6930         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6931         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6932         defined in a dynamic object and referenced by a regular object,
6933         set is_needed for the dynamic object.
6934         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6935         if the file is marked with as_needed and it is not needed.
6937 2009-11-04  Ian Lance Taylor  <iant@google.com>
6939         PR 10887
6940         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6941         tags if data is discarded by linker script.
6942         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6943         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6944         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6945         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6947 2009-11-04  Ian Lance Taylor  <iant@google.com>
6949         * layout.cc (Layout::get_output_section): Add is_interp and
6950         is_dynamic_linker_section parameters.  Change all callers.
6951         (Layout::choose_output_section): Likewise.
6952         (Layout::make_output_section): Likewise.
6953         (Layout::add_output_section_data): Add is_dynamic_linker_section
6954         parameter.  Change all callers.
6955         * layout.h (class Layout): Update declarations.
6956         * output.h (class Output_section): Add is_interp, set_is_interp,
6957         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6958         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6959         generate_code_fills_at_write_ to a bitfield.
6960         * output.cc (Output_section::Output_sections): Initialize new
6961         fields.
6962         (Output_segment::add_output_section): Add do_sort parameter.
6963         Change all callers.
6965 2009-11-03  Ian Lance Taylor  <iant@google.com>
6967         PR 10860
6968         * options.h (class General_options): Add --warn-common.
6969         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6970         merging two common symbols.
6971         (Symbol_table::should_override): Handle --warn-common when merging
6972         a common symbol with a defined symbol.  Use report_resolve_problem
6973         for multiple definitions.
6974         (Symbol_table::report_resolve_problem): New function.
6975         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6977 2009-11-03  Doug Kwan  <dougkwan@google.com>
6979         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6980         stub_factory_.
6981         (Target_arm::stub_factory): New method definition.
6982         (Target_arm::new_arm_input_section,
6983         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6984         Target_arm::reloc_uses_thumb_bit): New method declarations.
6985         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6986         New type definitions.
6987         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6988         member declarations.
6989         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6990         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6991         New method definitions.
6993 2009-11-03  Ian Lance Taylor  <iant@google.com>
6995         * options.h (class General_options): Add --warn_constructors.
6997 2009-11-03  Ian Lance Taylor  <iant@google.com>
6999         PR 10893
7000         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7001         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7003 2009-11-03  Ian Lance Taylor  <iant@google.com>
7005         PR 10895
7006         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7007         --msgid-bugs-address.
7008         (install-pdf): New target.
7009         (install-data_yes): Look up one directory to find mkinstalldirs.
7011 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7013         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7014         tree.
7016 2009-10-30  Doug Kwan  <dougkwan@google.com>
7018         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7020 2009-10-30  Doug Kwan  <dougkwan@google.com>
7022         * arm.cc (Stub_addend_reader): New struct template definition
7023         and partial specializations.
7024         (Stub_addend_reader::operator()): New method definition for a
7025         partially specialized template.
7027 2009-10-30  Doug Kwan  <dougkwan@google.com>
7029         * arm.cc (Arm_relobj::processor_specific_flags): New method
7030         definition.
7031         (Arm_relobj::do_read_symbols): New method declaration.
7032         (Arm_relobj::processor_specific_flags_): New data member declaration.
7033         (Arm_dynobj): New class definition.
7034         (Target_arm::do_finalize_sections): Add input_objects parameter.
7035         (Target_arm::do_adjust_elf_header): New method declaration.
7036         (Target_arm::are_eabi_versions_compatible,
7037         (Target_arm::merge_processor_specific_flags): New method declaration.
7038         (Target_arm::do_make_elf_object): New overloaded method definitions
7039         and declaration.
7040         (Arm_relobj::do_read_symbols): New method definition.
7041         (Arm_dynobj::do_read_symbols): Ditto.
7042         (Target_arm::do_finalize_sections): Add input_objects parameters.
7043         Merge processor-specific flags from all input objects.
7044         (Target_arm::are_eabi_versions_compatible,
7045         Target_arm::merge_processor_specific_flags,
7046         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7047         New method definitions.
7048         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7049         Input_objects pointer type parameter.
7050         * layout.cc (Layout::finalize): Pass input objects to target's.
7051         finalize_sections function.
7052         * output.cc (Output_file_header::do_sized_write): Set ELF file
7053         header's processor-specific flags.
7054         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7055         Input_objects pointer type parameter.
7056         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7057         * target.h (Input_objects): New forward class declaration.
7058         (Target::processor_specific_flags,
7059         Target::are_processor_specific_flags_sect): New method definitions.
7060         (Target::finalize_sections): Add input_objects parameter.
7061         (Target::Target): Initialize processor_specific_flags_ and
7062         are_processor_specific_flags_set_.
7063         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7064         parameter.
7065         (Target::set_processor_specific_flags): New method definition.
7066         (Target::processor_specific_flags_,
7067         Target::are_processor_specific_flags_set_): New data member
7068         declarations.
7069         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7070         Input_objects pointer type parameter.
7072 2009-10-30  Doug Kwan  <dougkwan@google.com>
7074         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7076 2009-10-28  Ian Lance Taylor  <iant@google.com>
7078         * object.h (class Relobj): Drop options parameter from
7079         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7080         do_scan_relocs, do_relocate.  Change all callers.
7081         (class Sized_relobj): Drop options parameters from
7082         do_gc_process_relocs, do_scan_relocs, do_relocate,
7083         do_relocate_sections, relocate_sections, emit_relocs_scan,
7084         emit_relocs_scan_reltype.  Change all callers.
7085         (struct Relocate_info): Remove options field and all references to
7086         it.
7087         * reloc.h (class Read_relocs): Remove options constructor
7088         parameter and options_ field.  Change all callers.
7089         (class Gc_process_relocs, class Scan_relocs): Likewise.
7090         (class Relocate_task): Likewise.
7091         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7092         all callers.
7093         (scan_relocatable_relocs): Likewise.
7094         * target.h (class Sized_target): Remove options parameter from
7095         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7096         all callers.
7097         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7098         callers.
7099         * arm.cc: Update functions to remove options parameters.
7100         * i386.cc: Likewise.
7101         * powerpc.cc: Likewise.
7102         * sparc.cc: Likewise.
7103         * x86_64.cc: Likewise.
7104         * testsuite/testfile.cc: Likewise.
7106 2009-10-28  Doug Kwan  <dougkwan@google.com>
7108         * arm.cc (Arm_relobj): New class definition.
7109         (Arm_relobj::scan_sections_for_stubs,
7110         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7111         New method definitions.
7113 2009-10-28  Cary Coutant  <ccoutant@google.com>
7115         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7116         (Plugin::cleanup_done_): New member.
7117         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7118         (Plugin_manager::cleanup_done_): Remove.
7119         (Plugin_manager::add_input_file): Edit error message.
7120         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7121         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7123 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7125         * fileread.cc: (File_read::View::~View): Use the new
7126         data_ownership_ filed.
7127         (File_read::~File_read): Dispose the new whole_file_view_.
7128         (File_read::open): Mmap the whole file if needed.
7129         (File_read::open): Use whole_file_view_ instead of contents_.
7130         (File_read::find_view): Use whole_file_view_ if applicable.
7131         (File_read::do_read): Use whole_file_view_ instead of contents_.
7132         (File_read::make_view): Use whole_file_view_ instead of contents_,
7133         update File_read::View::View call.
7134         (File_read::find_or_make_view): Update File_read::View::View
7135         call.
7136         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7137         remove contents_
7138         (File_read::View::Data_ownership): New enum.
7139         (File_read::View::View): Replace bool mapped_ with Data_ownership
7140         argument.
7141         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7142         (File_read::View::data_ownership_): New field.
7143         (File_read::contents_): Remove (replaced by whole_file_view_).
7144         (File_read::whole_file_view_): New field.
7145         * options.h (class General_options): Add --keep-files-mapped.
7147 2009-10-27  Cary Coutant  <ccoutant@google.com>
7149         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7150         * testsuite/Makefile.am (plugin_test_5): New test case.
7151         * testsuite/Makefile.in: Regenerate.
7153 2009-10-25  Doug Kwan  <dougkwan@google.com>
7155         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7156         from private to protected to allow access by child class.
7157         (Sized_relobj::do_relocate_sections): New method declaration.
7158         (Sized_relobj::relocate_sections): Virtualize.
7159         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7160         Sized_relobj::relocate_sections.  Instantiate template explicitly
7161         for different target sizes and endianity.
7163 2009-10-24  Doug Kwan  <dougkwan@google.com>
7165         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7166         (Arm_input_section::as_arm_input_section): New method.
7167         (Arm_output_section): New class definition.
7168         (Arm_output_section::create_stub_group,
7169         Arm_output_section::group_sections): New method definitions.
7171 2009-10-22  Doug Kwan  <dougkwan@google.com>
7173         * arm.cc (Arm_input_section): New class definition.
7174         (Arm_input_section::init, Arm_input_section:do_write,
7175         Arm_input_section::set_final_data_size,
7176         Arm_input_section::do_reset_address_and_file_offset): New method
7177         definitions.
7179 2009-10-21  Doug Kwan  <dougkwan@google.com>
7181         * arm.cc (Stub_table, Arm_input_section): New forward class
7182         declarations.
7183         (Stub_table): New class defintion.
7184         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7185         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7186         New method definition.
7188 2009-10-21  Doug Kwan  <dougkwan@google.com>
7190         * arm.cc: Update copyright comments.
7191         (Target_arm): New forward class template declaration.
7192         (Arm_address): New type.
7193         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7194         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7195         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7196         constants.
7197         (Insn_template): Same.
7198         (DEF_STUBS): New macro.
7199         (Stub_type): New enum type.
7200         (Stub_template): New class definition.
7201         (Stub): Same.
7202         (Reloc_stub): Same.
7203         (Stub_factory): Same.
7204         (Target_arm::Target_arm): Initialize may_use_blx_ and
7205         should_force_pic_veneer_.
7206         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7207         Target_arm::should_force_pic_veneer,
7208         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7209         Target_arm::using_thumb_only, Target_arm:;default_target): New
7210         method defintions.
7211         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7212         New data member declarations.
7213         (Insn_template::size, Insn_template::alignment): New method defintions.
7214         (Stub_template::Stub_template): New method definition.
7215         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7216         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7217         (Stub_factory::Stub_factory): New method definition.
7218         * gold.h (string_hash): New template.
7219         * output.h (Input_section_specifier::hash_value): Use
7220         gold::string_hash.
7221         (Input_section_specifier::string_hash): Remove.
7222         * stringpool.cc (Stringpool_template::string_hash): Use
7223         gold::string_hash.
7225 2009-10-20  Doug Kwan  <dougkwan@google.com>
7227         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7228         symbols of relaxed input sections.
7229         * output.h (Output_section::find_relaxed_input_section): Make
7230         method public.
7232 2009-10-16  Doug Kwan  <dougkwan@google.com>
7234         * dynobj.cc (Versions::Versions): Initialize version_script_.
7235         Only insert base version symbol definition for a shared object
7236         if version script defines any version versions.
7237         (Versions::define_base_version): New method definition.
7238         (Versions::add_def): Check that base version is not needed.
7239         (Versions::add_need): Define base version lazily.
7240         * dynobj.h (Versions::define_base_version): New method declaration.
7241         (Versions::needs_base_version_): New data member declaration.
7242         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7243         (check_DATA): Add no_version_test.stdout.
7244         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7245         New make rules.
7246         * testsuite/Makefile.in: Regenerate.
7247         * testsuite/no_version_test.c: New file.
7248         * testsuite/no_version_test.sh: Ditto.
7250 2009-10-16  Doug Kwan  <dougkwan@google.com>
7252         * expression.cc (class Segment_start_expression): New class definition.
7253         (Segment_start_expression::value): New method definition.
7254         (script_exp_function_segment_start): Return a new
7255         Segment_start_expression.
7256         * gold/script-c.h (script_saw_segment_start_expression): New function
7257         prototype.
7258         * script-sections.cc (Script_sections::Script_sections): Initialize
7259         SAW_SEGMENT_START_EXPRESSION_ to false.
7260         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7261         and -Tbbs options to specify section addresses if given in
7262         command line and no SEGMENT_START expression is seen in a script.
7263         * script-sections.h (Script_sections::saw_segment_start_expression,
7264         Script_sections::set_saw_segment_start_expression): New method
7265         definition.
7266         (Script_sections::saw_segment_start_expression_): New data member
7267         declaration.
7268         * script.cc (script_saw_segment_start_expression): New function.
7269         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7270         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7271         script_test_7.sh and script_test_8.sh.
7272         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7273         script_test_8.stdout.
7274         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7275         (script_test_6, script_test_6.stdout, script_test_7,
7276         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7277         * Makefile.in: Regenerate.
7278         * testsuite/script_test_6.sh: New file.
7279         * testsuite/script_test_6.t: Same.
7280         * testsuite/script_test_7.sh: Same.
7281         * testsuite/script_test_7.t: Same.
7282         * testsuite/script_test_8.sh: Same.
7284 2009-10-16  Doug Kwan  <dougkwan@google.com>
7286         * output.cc (Output_segment::set_section_list_address): Cast
7287         expressions to unsigned long long type to avoid format warnings.
7289 2009-10-15  Ian Lance Taylor  <iant@google.com>
7291         * script.cc (Script_options::add_symbol_assignment): Always add a
7292         dot assignment to script_sections_.
7293         * script-sections.cc (Script_sections::add_dot_assignment):
7294         Initialize if necessary.
7296         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7297         program headers with no load segment if there is a linker script.
7299         * layout.cc (Layout::set_segment_offsets): Align the file offset
7300         to the segment aligment for -N or -n with no load segment.
7301         * output.cc (Output_segment::add_output_section): Don't crash if
7302         the first section is a TLS section.
7303         (Output_segment::set_section_list_addresses): Print an error
7304         message if the address moves backward in a linker script.
7305         * script-sections.cc
7306         (Output_section_element_input::set_section_addresses): Don't
7307         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7308         (Orphan_output_section::set_section_addresses): Likewise.
7310 2009-10-15  Doug Kwan  <dougkwan@google.com>
7312         * layout.cc (Layout::finish_dynamic_section): Generate tags
7313         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7314         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7315         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7317 2009-10-14  Ian Lance Taylor  <iant@google.com>
7319         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7320         fields.
7321         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7322         data_shdr fields of relinfo.
7323         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7324         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7325         R_386_TLS_LDO_32, adjust based on section flags.
7326         (Target_i386::Relocate::fix_up_ldo): Remove.
7328 2009-10-13  Ian Lance Taylor  <iant@google.com>
7330         Add support for -pie.
7331         * options.h (class General_options): Add -pie and
7332         --pic-executable.
7333         (General_options::output_is_position_independent): Test -pie.
7334         (General_options::output_is_executable): Return true if not shared
7335         and not relocatable.
7336         (General_options::output_is_pie): Remove.
7337         * options.cc (General_options::finalize): Reject incompatible uses
7338         of -pie.
7339         * gold.cc (queue_middle_tasks): A -pie link is not static.
7340         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7341         * symtab.cc (Symbol::final_value_is_known): Return false if
7342         output_is_position_independent.
7343         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7344         output_is_position_independent.
7345         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7346         output_is_position_independent.
7347         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7348         output_is_position_independent.
7349         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7350         two_file_pie_test.
7351         (basic_pie_test.o, basic_pie_test): New targets.
7352         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7353         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7354         (two_file_pie_test): New target.
7355         * testsuite/Makefile.in: Rebuild.
7356         * README: Remove note saying that -pie is not supported.
7358 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7360         * options.h (class General_options): Add -init and -fini.
7361         * layout.cc (Layout::finish_dynamic_section): Emit
7362         given init and fini functions.
7364 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7366         * gc.h (gc_process_relocs): Check if icf is enabled using new
7367         function.
7368         * gold.cc (queue_initial_tasks): Likewise.
7369         (queue_middle_tasks): Likewise.
7370         * object.cc (do_layout): Likewise.
7371         * symtab.cc (is_section_folded): Likewise.
7372         * main.cc (main): Likewise.
7373         * reloc.cc (Read_relocs::run): Likewise.
7374         (Sized_relobj::do_scan_relocs): Likewise.
7375         * icf.cc (is_function_ctor_or_dtor): New function.
7376         (Icf::find_identical_sections): Check if function is ctor or dtor when
7377         safe icf is chosen.
7378         * options.h (General_options::icf): Change option to be an enum.
7379         (Icf_status): New enum.
7380         (icf_enabled): New method.
7381         (icf_safe_folding): New method.
7382         (set_icf_status): New method.
7383         (icf_status_): New variable.
7384         * (options.cc) (General_options::finalize): Set icf_status_.
7385         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7386         icf_test and icf_keep_unique_test to use the --icf enum flag.
7387         * testsuite/icf_safe_test.sh: New file.
7388         * testsuite/icf_safe_test.cc: New file.
7390 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7392         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7393         includes to gc.h and icf.h.
7394         * arm.cc: Include gc.h.
7395         * gold.cc: Likewise.
7396         * i386.cc: Likewise.
7397         * powerpc.cc: Likewise.
7398         * sparc.cc: Likewise.
7399         * x86_64.cc: Likewise.
7400         * gc.h: Include icf.h.
7402 2009-10-11  Ian Lance Taylor  <iant@google.com>
7404         * plugin.cc: Include "gold.h" before other header files.
7406 2009-10-10  Chris Demetriou  <cgd@google.com>
7408         * options.h (Input_file_argument::Input_file_type): New enum.
7409         (Input_file_argument::is_lib_): Replace with...
7410         (Input_file_argument::type_): New member.
7411         (Input_file_argument::Input_file_argument): Take Input_file_type
7412         'type' rather than boolean 'is_lib' as second argument.
7413         (Input_file_argument::is_lib): Use type_.
7414         (Input_file_argument::is_searched_file): New function.
7415         (Input_file_argument::may_need_search): Handle is_searched_file.
7416         * options.cc (General_options::parse_library): Support -l:filename.
7417         (General_options::parse_just_symbols): Update for Input_file_argument
7418         changes.
7419         (Command_line::process): Likewise.
7420         * archive.cc (Archive::get_file_and_offset): Likewise.
7421         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7422         * script.cc (read_script_file, script_add_file): Likewise.
7423         * fileread.cc (Input_file::Input_file): Likewise.
7424         (Input_file::will_search_for): Handle is_searched_file.
7425         (Input_file::open): Likewise.
7426         * readsyms.cc (Read_symbols::get_name): Likewise.
7427         * testsuite/Makefile.am (searched_file_test): New test.
7428         * testsuite/Makefile.in: Regenerate.
7429         * testsuite/searched_file_test.cc: New file.
7430         * testsuite/searched_file_test_lib.cc: New file.
7432 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7433             Ian Lance Taylor  <iant@google.com>
7435         * descriptor.cc: Include <cstdio> and "binary-io.h".
7436         (Descriptors::open): Open the files in binary mode always.
7437         * script.cc (Lex::get_token): Treat \r as whitespace.
7439 2009-10-09  Ian Lance Taylor  <iant@google.com>
7441         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7443 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7444             Ian Lance Taylor  <iant@google.com>
7446         * configure.ac: Check for readv function also.
7447         * fileread.cc (readv): Define if not HAVE_READV.
7448         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7449         does not exist.
7450         * config.in: Regenerate.
7451         * configure: Regenerate.
7453 2009-10-09  Doug Kwan  <dougkwan@google.com>
7455         * layout.cc (Layout::make_output_section): Call target hook to make
7456         ordinary output section.
7457         (Layout::finalize): Adjust parameter list of call the
7458         Target::may_relax().
7459         * layout.h (class Layout::section_list): New method.
7460         * merge.h (Output_merge_base::entsize): Change visibility to public.
7461         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7462         New methods.
7463         (Output_merge_string::do_is_string): New method.
7464         * object.cc (Sized_relobj::do_setup): renamed from
7465         Sized_relobj::set_up.
7466         * object.h (Sized_relobj::adjust_shndx,
7467         Sized_relobj::initializ_input_to_output_maps,
7468         Sized_relobj::free_input_to_output_maps): Change visibilities to
7469         protected.
7470         (Sized_relobj::setup): Virtualize.
7471         (Sized_relobj::do_setup): New method declaration.
7472         (Sized_relobj::invalidate_section_offset,
7473         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7474         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7475         * options.cc (parse_int): New function.
7476         * options.h (parse_int): New declaration.
7477         (DEFINE_int): New macro.
7478         (stub_group_size): New option.
7479         * output.cc (Output_section::Output_section): Initialize memebers
7480         merge_section_map_, merge_section_by_properties_map_,
7481         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7482         (Output_section::add_input_section): Handled deferred code-fill
7483         generation and remove an old comment.
7484         (Output_section::add_relaxed_input_section): New method definition.
7485         (Output_section::add_merge_input_section): Use merge section by
7486         properties map to speed to search.  Update merge section maps
7487         as appropriate.
7488         (Output_section::build_relaxation_map): New method definition.
7489         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7490         Same.
7491         (Output_section::relax_input_section): Renamed to
7492         Output_section::convert_input_sections_to_relaxed_sections and change
7493         interface to take a vector of pointers to relaxed sections.
7494         (Output_section::find_merge_section,
7495         Output_section::find_relaxed_input_section): New method definitions.
7496         (Output_section::is_input_address_mapped,
7497         Output_section::output_offset, Output_section::output_address):
7498         Use output section data maps to speed up searching.
7499         (Output_section::find_starting_output_address): Add comments.
7500         (Output_section::do_write,
7501         Output_section::write_to_postprocessing_buffer): Do code-fill
7502         generation as appropriate.
7503         (Output_section::get_input_sections): Invalidate relaxed input section
7504         map.
7505         (Output_section::restore_states): Adjust type of checkpoint .
7506         Invalidate relaxed input section map.
7507         * output.h (Output_merge_base): New class declaration.
7508         (Input_section_specifier): New class defintion.
7509         (class Output_relaxed_input_section) Change base class to
7510         Output_section_data_build.
7511         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7512         base class initializer.
7513         (Output_section::add_relaxed_input_section): New method declaration.
7514         (Output_section::Input_section): Change visibility to protected.
7515         (Output_section::Input_section::relobj,
7516         Output_section::Input_section::shndx): Handle relaxed input sections.
7517         Output_section::input_sections) Change visibility to protected.  Also
7518         define overload to return a non-const pointer.
7519         (Output_section::Merge_section_properties): New class defintion.
7520         (Output_section::Merge_section_by_properties_map,
7521         Output_section::Output_section_data_by_input_section_map,
7522         Output_section::Relaxation_map): New types.
7523         (Output_section::relax_input_section): Rename method to
7524         Output_section::convert_input_sections_to_relaxed_sections and change
7525         interface to take a vector of relaxed section pointers.
7526         (Output_section::find_merge_section,
7527         Output_section::find_relaxed_input_section,
7528         Output_section::build_relaxation_map,
7529         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7530         New method declarations.
7531         (Output_section::merge_section_map_
7532         Output_section::merge_section_by_properties_map_,
7533         Output_section::relaxed_input_section_map_,
7534         Output_section::is_relaxed_input_section_map_valid_,
7535         Output_section::generate_code_fills_at_write_): New data members.
7536         * script-sections.cc
7537         (Output_section_element_input::set_section_addresses): Call
7538         current_data_size and addralign methods of relaxed input sections.
7539         (Orphan_output_section::set_section_addresses): Call current_data_size
7540         and addralign methods of relaxed input sections.
7541         * symtab.cc (Symbol_table::compute_final_value): Extract template
7542         from the body of Symbol_table::sized_finalize_symbol.
7543         (Symbol_table::sized_finalized_symbol): Call
7544         Symbol_table::compute_final_value.
7545         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7546         (Symbol_table::compute_final_value): New templated method declaration.
7547         * target.cc (Target::do_make_output_section): New method defintion.
7548         * target.h (Target::make_output_section): New method declaration.
7549         (Target::relax): Add more parameters for input objects, symbol table
7550         and layout.  Adjust call to do_relax.
7551         (Target::do_make_output_section): New method declaration.
7552         (Target::do_relax): Add parameters for input objects, symbol table
7553         and layout.
7555 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7557         * pread.c: Include stdio.h.
7559 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7561         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7562         defined.
7564 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7566         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7567         Change read_shndx type to unsigned int.
7568         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7569         int.
7570         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7571         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7572         Change read_shndx type to unsigned int.
7573         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7574         int.
7575         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7576         * layout.cc (Layout::create_symtab_sections): Cast the result of
7577         local_symcount * symsize to off_t in the gold_assert.
7579 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7581         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7582         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7583         R_ARM_BASE_ABS.
7584         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7585         (Arm_relocate_functions::thm_abs5): New function.
7586         (Arm_relocate_functions::abs12): New function.
7587         (Arm_relocate_functions::abs16): New function.
7588         (Arm_relocate_functions::base_abs): New function.
7589         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7590         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7591         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7592         R_ARM_BASE_ABS.
7593         (Scan::global): Likewise.
7594         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7595         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7596         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7597         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7598         R_ARM_BASE_ABS.
7600 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7602         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7603         (Arm_relocate_functions::movt_prel): New function.
7604         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7605         (Arm_relocate_functions::thm_movt_prel): New function.
7606         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7607         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7608         (Scan::global, Relocate::relocate): Likewise.
7609         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7611 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7613         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7614         Incremental_checker.
7615         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7616         unsigned int.
7617         (class Incremental_inputs_header): New class.
7618         (Incremental_inputs_header_writer): Edit comment.
7619         (Incremental_inputs_entry): New class.
7620         (Incremental_inputs_entry_writer): Edit comment.
7621         (Sized_incremental_binary::do_find_incremental_inputs_section):
7622         Add *strtab_shndx parameter, fill it.
7623         (Sized_incremental_binary::do_check_inputs): New method.
7624         (Incremental_checker::can_incrementally_link_output_file): Use
7625         Sized_incremental_binary::check_inputs.
7626         (Incremental_inputs::report_command_line): Save command line in
7627         command_line_.
7628         * incremental.h:
7629         (Incremental_binary::find_incremental_inputs_section): New
7630         method.
7631         (Incremental_binary::do_find_incremental_inputs_section): Add
7632         strtab_shndx parameter.
7633         (Incremental_binary::do_check_inputs): New pure virtual method.
7634         (Sized_incremental_binary::do_check_inputs): Declare.
7635         (Incremental_checker::Incremental_checker): Add incremental_inputs
7636         parameter, use it to initialize incremental_inputs_.
7637         (Incremental_checker::incremental_inputs_): New field.
7638         (Incremental_checker::command_line): New method.
7639         (Incremental_checker::inputs): New method.
7640         (Incremental_checker::command_line_): New field.
7642 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7644         * incremental.cc: Include <cstdarg> and "target-select.h".
7645         (vexplain_no_incremental): New function.
7646         (explain_no_incremental): New function.
7647         (Incremental_binary::error): New method.
7648         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7649         method.
7650         (make_sized_incremental_binary): New function.
7651         (open_incremental_binary): New function.
7652         (can_incrementally_link_file): Add checks if output is ELF and has
7653         inputs section.
7654         * incremental.h: Include "elfcpp_file.h" and "output.h".
7655         (Incremental_binary): New class.
7656         (Sized_incremental_binary): New class.
7657         (open_incremental_binary): Declare.
7658         * object.cc (is_elf_object): Use
7659         elfcpp::Elf_recognizer::is_elf_file.
7660         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7661         * output.h (Output_file::filesize): New method.
7663 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7665         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7666         New function.
7667         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7668         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7669         function.
7670         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7671         function.
7672         (Arm_relocate_functions::movw_abs_nc): New function.
7673         (Arm_relocate_functions::movt_abs): New function.
7674         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7675         (Arm_relocate_functions::thm_movt_abs): New function.
7676         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7677         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7678         (Scan::global): Likewise.
7679         (Relocate::relocate): Likewise.
7680         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7682 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7684         * arm.cc (Arm_relocate_functions::got_prel) New function.
7685         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7686         (Relocate::relocate): Likewise.
7687         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7689 2009-10-06  Ian Lance Taylor  <iant@google.com>
7691         * options.h (class General_options): Define
7692         split_stack_adjust_size parameter.
7693         * object.h (class Object): Add uses_split_stack_ and
7694         has_no_split_stack_ fields.  Add uses_split_stack and
7695         has_no_split_stack accessor functions.  Declare
7696         handle_split_stack_section.
7697         (class Reloc_symbol_changes): Define.
7698         (class Sized_relobj): Define Function_offsets.  Declare
7699         split_stack_adjust, split_stack_adjust_reltype, and
7700         find_functions.
7701         * object.cc (Object::handle_split_stack_section): New function.
7702         (Sized_relobj::do_layout): Call handle_split_stack_section.
7703         * dynobj.cc (Sized_dynobj::do_layout): Call
7704         handle_split_stack_section.
7705         * reloc.cc (Sized_relobj::relocate_sections): Call
7706         split_stack_adjust for executable sections in split_stack
7707         objects.  Pass reloc_map to relocate_section.
7708         (Sized_relobj::split_stack_adjust): New function.
7709         (Sized_relobj::split_stack_adjust_reltype): New function.
7710         (Sized_relobj::find_functions): New function.
7711         * target-reloc.h: Include "object.h".
7712         (relocate_section): Add reloc_symbol_changes parameter.  Change
7713         all callers.
7714         * target.h (class Target): Add calls_non_split method.  Declare
7715         do_calls_non_split virtual method.  Declare match_view and
7716         set_view_to_nop.
7717         * target.cc: Include "elfcpp.h".
7718         (Target::do_calls_non_split): New function.
7719         (Target::match_view): New function.
7720         (Target::set_view_to_nop): New function.
7721         * gold.cc (queue_middle_tasks): Give an error if mixing
7722         split-stack and non-split-stack objects with -r.
7723         * i386.cc (Target_i386::relocate_section): Add
7724         reloc_symbol_changes parameter.
7725         (Target_i386::do_calls_non_split): New function.
7726         * x86_64.cc (Target_x86_64::relocate_section): Add
7727         reloc_symbol_changes parameter.
7728         (Target_x86_64::do_calls_non_split): New function.
7729         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7730         parameter.
7731         * powerpc.cc (Target_powerpc::relocate_section): Add
7732         reloc_symbol_changes parameter.
7733         * sparc.cc (Target_sparc::relocate_section): Add
7734         reloc_symbol_changes parameter.
7735         * configure.ac: Call AM_CONDITIONAL for the default target.
7736         * configure: Rebuild.
7737         * testsuite/Makefile.am (TEST_AS): New variable.
7738         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7739         (check_DATA): Add split_i386 and split_x86_64 files.
7740         (SPLIT_DEFSYMS): Define.
7741         (split_i386_[1234n].o): New targets.
7742         (split_i386_[124]): New targets.
7743         (split_i386_[1234r].stdout): New targets.
7744         (split_x86_64_[1234n].o): New targets.
7745         (split_x86_64_[124]): New targets.
7746         (split_x86_64_[1234r].stdout): New targets.
7747         (MOSTLYCLEANFILES): Add new executables.
7748         * testsuite/split_i386.sh: New file.
7749         * testsuite/split_x86_64.sh: New file.
7750         * testsuite/split_i386_1.s: New file.
7751         * testsuite/split_i386_2.s: New file.
7752         * testsuite/split_i386_3.s: New file.
7753         * testsuite/split_i386_4.s: New file.
7754         * testsuite/split_i386_n.s: New file.
7755         * testsuite/split_x86_64_1.s: New file.
7756         * testsuite/split_x86_64_2.s: New file.
7757         * testsuite/split_x86_64_3.s: New file.
7758         * testsuite/split_x86_64_4.s: New file.
7759         * testsuite/split_x86_64_n.s: New file.
7760         * testsuite/testfile.cc (Target_test): Update relocation_section
7761         function.
7762         * testsuite/Makefile.in: Rebuild.
7764 2009-10-06  Ian Lance Taylor  <iant@google.com>
7766         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7767         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7768         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7769         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7770         the address on ldo_addrs_.
7771         (Target_i386::Relocate::fix_up_ldo): New function.
7773 2009-10-06   Rafael Espindola  <espindola@google.com>
7775         * plugin.cc (add_input_library): New.
7776         (Plugin::load): Add add_input_library to tv.
7777         (Plugin_manager::add_input_file): Add the is_lib argument.
7778         (add_input_file): Update call to Plugin_manager::add_input_file.
7779         (add_input_library): New.
7780         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7782 2009-09-30  Doug Kwan  <dougkwan@google.com>
7784         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7785         symbol and call Symbol::may_need_copy_reloc to determine if
7786         a copy reloc is needed.
7787         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7788         nocopyreloc is given in command line.
7789         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7790         given in command line.
7791         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7792         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7793         of the removed Target_i386::may_need_copy_reloc.
7794         * options.h (copyreloc): New option with default value false.
7795         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7796         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7797         instead of the removed Target_powerpc::may_need_copy_reloc.
7798         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7799         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7800         instead of the removed Target_sparc::may_need_copy_reloc.
7801         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7802         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7803         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7804         instead of the removed Target_x86_64::may_need_copy_reloc.
7806 2009-09-30  Ian Lance Taylor  <iant@google.com>
7808         * object.h (class Object): Remove target_ field, and target,
7809         sized_target, and set_target methods.
7810         (Object::sized_target): Remove.
7811         (class Sized_relobj): Update declarations.  Remove sized_target.
7812         * object.cc (Sized_relobj::setup): Remove target parameter.
7813         Change all callers.
7814         (Input_objects::add_object): Don't do anything with the target.
7815         (make_elf_sized_object): Add punconfigured parameter.  Change all
7816         callers.  Set or test parameter target.
7817         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7818         Change all callers.
7819         * parameters.cc (Parameters::set_target): Change parameter type to
7820         be non-const.
7821         (Parameters::default_target): Remove.
7822         (set_parameters_target): Change parameter type to be non-const.
7823         (parameters_force_valid_target): New function.
7824         (parameters_clear_target): New function.
7825         * parameters.h (class Parameters): Update declarations.  Remove
7826         default_target method.  Add sized_target and clear_target
7827         methods.  Change target_ to be non-const.
7828         (set_parameters_target): Update declaration.
7829         (parameters_force_valid_target): Declare.
7830         (parameters_clear_target): Declare.
7831         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7832         as NULL if we aren't searching.
7833         (Add_symbols::run): Don't check for compatible target.
7834         * fileread.cc (Input_file::open_binary): Call
7835         parameters_force_valid_target.
7836         * gold.cc (queue_middle_tasks): Likewise.
7837         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7838         set_target on object.
7839         * dynobj.h (class Sized_dynobj): Update declarations.
7840         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7841         make_elf_object returns NULL.
7842         (Archive::include_member): Don't check whether object target is
7843         compatible.
7844         * output.cc (Output_section::add_input_section): Get target from
7845         parameters.
7846         (Output_section::relax_input_section): Likewise.
7847         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7848         parameters.
7849         (Sized_relobj::do_scan_relocs): Likewise.
7850         (Sized_relobj::relocate_sections): Likewise.
7851         * resolve.cc (Symbol_table::resolve): Likewise.
7852         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7853         parameter.  Change all callers.
7854         (Symbol_table::add_from_object): Get target from parameters.
7855         (Symbol_table::add_from_relobj): Don't check object target.
7856         (Symbol_table::add_from_dynobj): Likewise.
7857         (Symbol_table::define_special_symbol): Get target from
7858         parameters.
7859         * symtab.h (class Symbol_table): Update declaration.
7860         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7861         parameter.  Change all callers.  Clear parameter target.
7862         (Binary_test): Test target here.
7863         * testsuite/object_unittest.cc (gold_testsuite): Remove
7864         target_test_pointer parameter.  Change all callers.
7865         (Object_test): Test target here.
7867 2009-09-26  Ian Lance Taylor  <iant@google.com>
7869         * testsuite/initpri1.c: Don't try to use constructor priorities if
7870         compiling with gcc before 4.3.
7872 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7874         * testsuite/retain_symbols_file_test.sh (check_present): Change
7875         output file name to retain_symbols_file_test.stdout.
7876         (check_absent): Likewise.
7878 2009-09-18  Craig Silverstein  <csilvers@google.com>
7880         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7881         * options.cc: Include <cerrno> and <fstream>.
7882         (General_options::finalize): Parse -retain-symbols-file tag.
7883         * options.h: New flag.
7884         (General_options): New method should_retain_symbol, new
7885         variable symbols_to_retain.
7886         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7887         should_retain_symbol map.
7888         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7889         * testsuite/Makefile.in: Regenerate.
7890         * testsuite/retain_symbols_file_test.sh: New file.
7892 2009-09-18  Nick Clifton  <nickc@redhat.com>
7894         * po/es.po: Updated Spanish translation.
7896 2009-09-17  Doug Kwan  <dougkwan@google.com>
7898         * debug.h (DEBUG_RELAXATION): New constant.
7899         (DEBUG_ALL): Add DEBUG_RELAXATION.
7900         (debug_string_to_enum): Add relaxation debug option.
7901         * layout.cc
7902         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7903         Layout::Relaxation_debug_check::read_sections,
7904         Layout::Relaxation_debug_check::read_sections): New method definitions.
7905         (Layout::Layout): Initialize data members
7906         record_output_section_data_from_scrips_,
7907         script_output_section_data_list_ and relaxation_debug_check_.
7908         (Layout::save_segments, Layout::restore_segments,
7909         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7910         Layout::relaxation_loop_body): New method definitions.
7911         (Layout::finalize): Support relaxation.  Move section layout code to
7912         Layout::relaxation_loop_body.
7913         (Layout::set_asection_address_from_script): Move code for orphan
7914         section placement out.
7915         (Layout::place_orphan_sections_in_script): New method definition.
7916         * layout.h (Output_segment_headers, Output_file_header):
7917         New forward class declarations.
7918         (Layout::~Layout): Define.
7919         (Layout::new_output_section_data_from_script): New method definition.
7920         (Layout::place_orphan_sections_in_script): New method declaration.
7921         (Layout::Segment_states): New type declaration.
7922         (Layout::save_segments, Layout::restore_segments,
7923         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7924         Layout::relaxation_loop_body): New method declarations.
7925         (Layout::Output_section_data_list): New type declaration.
7926         (Layout::Relaxation_debug_check): New class definition.
7927         (Layout::record_output_section_data_from_script_,
7928         Layout::script_output_section_data_list_, Layout::segment_states_,
7929         Layout::relaxation_debug_check_): New data members.
7930         * output.cc: (Output_section_headers::do_size): New method definition.
7931         (Output_section_headers::Output_section_headers): Move size
7932         computation to Output_section_headers::do_size.
7933         (Output_segment_headers::do_size): New method definition.
7934         (Output_file_header::Output_file_header): Move size computation to
7935         Output_file_header::do_size and call it.
7936         (Output_file_header::do_size): New method definition.
7937         (Output_data_group::Output_data_group): Adjust call to
7938         Output_section_data.
7939         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7940         (Output_symtab_xindex::do_write): Add array bound check.
7941         (Output_section::Input_section::print_to_mapfile): Handle
7942         RELAXED_INPUT_SECTION_CODE.
7943         (Output_section::Output_section): Initialize data member checkpoint_.
7944         (Output_section::~Output_section): Delete checkpoint object pointed
7945         by checkpoint_.
7946         (Output_section::add_input_section): Always add an Input_section if
7947         relaxing.
7948         (Output_section::add_merge_input_section): Add assert.
7949         (Output_section::relax_input_section): New method definition.
7950         (Output_section::set_final_data_size): Set load address to zero for
7951         an unallocated section.
7952         (Output_section::do_address_and_file_offset_have_reset_values):
7953         New method definition.
7954         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7955         Handle relaxed input section.
7956         (Output_section::sort_attached_input_sections): Checkpoint input
7957         section list lazily.
7958         (Output_section::get_input_sections): Change type of input_sections to
7959         list of Simple_input_section pointers.  Checkpoint input section list
7960         lazily.  Also handle relaxed input sections.
7961         (Output_section::add_input_section_for_script): Take a reference to
7962         a Simple_input_section object instead of Relobj pointer and section
7963         index as parameter.  Handle relaxed input sections.
7964         (Output_section::save_states, Output_section::restore_states): New
7965         method definitions.
7966         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7967         (Output_data::is_data_size_fixed): New method definition.
7968         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7969         if it is fixed.
7970         (Output_data::address_and_file_offset_have_reset_values): New method
7971         definition.
7972         (Output_data::do_address_and_file_offset_have_reset_values): New method
7973         definition.
7974         (Output_data::set_data_size): Check that data size is not fixed.
7975         (Output_data::fix_data_size): New method definition.
7976         (Output_data::is_data_size_fixed_): New data member.
7977         (Output_section_headers::set_final_data_size): New method definition.
7978         (Output_section_headers::do_size): New method declaration.
7979         (Output_segment_headers::set_final_data_size): New method definition.
7980         (Output_segment_headers::do_size): New method declaration.
7981         (Output_file_header::set_final_data_size)::New method definition.
7982         (Output_file_header::do_size)::New method declaration.
7983         (Output_section_data::Output_section_data): Add new parameter
7984         is_data_size_fixed and use it to fix data size.
7985         (Output_data_const::Output_data_const): Adjust call to base class
7986         constructor and fix data size.
7987         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7988         base class constructor and fix data size.
7989         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7990         base class constructor and fix data size.
7991         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7992         class constructor and fix data size.
7993         (Output_data_group::set_final_data_size): New method definition.
7994         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7995         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7996         class constructor and fix data size.
7997         (Output_relaxed_input_section): New class definition.
7998         (Output_section::Simple_input_section): New class definition.
7999         (Output_section::get_input_sections): Adjust parameter list.
8000         (Output_section::add_input_section_for_script): Same.
8001         (Output_section::save_states, Output_section::restore_states,
8002         Output_section::do_address_and_file_offset_have_reset_values,
8003         (Output_section::Input_section::Input_section): Handle
8004         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8005         Output_relaxed_input_section.
8006         (Output_section::Input_section::is_input_section,
8007         Output_section::Input_section::set_output_section): Handle relaxed
8008         input section.
8009         (Output_section::Input_section::is_relaxed_input_section,
8010         Output_section::Input_section::output_section_data,
8011         Output_section::Input_section::relaxed_input_section): New method
8012         definitions.
8013         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8014         value.
8015         (Output_section::Input_section::u1_): Update comments.
8016         (Output_section::Input_section::u2_): Add new union member poris.
8017         (Output_section::Checkpoint_output_section): New classs definition.
8018         (Output_section::relax_input_section): New method declaration.
8019         (Output_section::checkpoint_): New data member.
8020         (Output_segment): Update comments.
8021         (Output_segment::Output_segment): Un-privatize copy constructor.
8022         (Output_segment::operator=): Un-privatize.
8023         * script-sections.cc (Output_section_element::Input_section_list):
8024         Change element type to Output_section::Simple_input_section.
8025         (Output_section_element_dot_assignment::set_section_addresses):
8026         Register output section data for relaxation clean up.
8027         (Output_data_exression::Output_data_expression): Adjust call to base
8028         constructor to fix data size.
8029         (Output_section_element_data::set_section_addresses): Register
8030         Output_data_expression object for relaxation clean up.
8031         (struct Input_section_info): Replace Relobj pointer and section index
8032         pair with Output_section::Simple_input_section and Convert struct to a
8033         class.
8034         (Input_section_sorter::operator()): Adjust access to
8035         Input_section_info data member to use accessors.
8036         (Output_section_element_input::set_section_addresses): Use layout
8037         parameter.  Adjust code to use Output_section::Simple_input_section
8038         and Input_secction_info classes.  Register filler for relaxation
8039         clean up.
8040         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8041         and section index pair with Output_section::Simple_input_section
8042         class.  Adjust code accordingly.
8043         (Phdrs_element::release_segment): New method definition.
8044         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8045         segment list.
8046         (Script_sections::release_segments): New method definition.
8047         * gold/script-sections.h (Script_sections::release_segments): New
8048         method declaration.
8049         * gold/target.h (Target::may_relax, Target::relax,
8050         Target::do_may_relax, Target::do_relax): New method definitions.
8052 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8054         * arm.cc (has_signed_unsigned_overflow): New function.
8055         (Arm_relocate_functions::abs8): New function.
8056         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8057         (Target_arm::Scan::global): Likewise.
8058         (Target_arm::relocate::relocate): Likewise.
8059         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8060         Likewise.
8062 2009-09-16  Cary Coutant  <ccoutant@google.com>
8064         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8065         * testsuite/Makefile.in: Regenerate.
8067 2009-09-11  Nick Clifton  <nickc@redhat.com>
8069         * po/gold.pot: Updated by the Translation project.
8071 2009-09-08  Cary Coutant  <ccoutant@google.com>
8073         * output.cc (Output_file::open): Add execute permission to empty file.
8074         * testsuite/Makefile.am (permission_test): New test.
8075         * testsuite/Makefile.in: Regenerate.
8077 2009-09-02  Ian Lance Taylor  <iant@google.com>
8079         * output.cc (Output_file::resize): Call map_no_anonymous rather
8080         than map.
8082 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8084         * gold.cc: Include "incremental.h".
8085         (queue_initial_tasks): Call Incremental_checker methods.
8086         * incremental.cc: Include "output.h".
8087         (Incremental_checker::can_incrementally_link_output_file): New
8088         method.
8089         * incremental.h (Incremental_checker): New class.
8091         * output.cc (Output_file::open_for_modification): New method.
8092         (Output_file::map_anonymous): Changed return type to bool.  Record
8093         map in base_ field.
8094         (Output_file::map_no_anonymous): New method, broken out of map.
8095         (Output_file::map): Use map_no_anonymous and map_anonymous.
8096         * output.h (class Output_file): Update declarations.
8098 2009-08-24  Cary Coutant  <ccoutant@google.com>
8100         * options.h (Command_line::Pre_options): New class.
8101         (Command_line::pre_options): New member.
8102         * options.cc (gold::options::ready_to_register): New variable.
8103         (One_option::register_option): Do nothing if not registering options.
8104         Assert if same short option registered twice.
8105         (General_options::General_options): Turn off option registration when
8106         done constructing.
8107         (Command_line::Pre_options::Pre_options): New constructor.
8109 2009-08-24  Cary Coutant  <ccoutant@google.com>
8111         * options.h (General_options::no_keep_memory): Remove incorrect
8112         short option.
8114 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8116         * Makefile.am (am__skiplex, am__skipyacc): New.
8117         * Makefile.in: Regenerate.
8119 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8121         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8122         (INCLUDES): ... this.
8123         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8124         (AM_CPPFLAGS): Renamed from ...
8125         (INCLUDE): ... this.
8126         * Makefile.in, testsuite/Makefile.in: Regenerate.
8128         * Makefile.in: Regenerate.
8129         * aclocal.m4: Likewise.
8130         * config.in: Likewise.
8131         * configure: Likewise.
8132         * testsuite/Makefile.in: Likewise.
8134         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8135         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8136         * Makefile.in: Regenerate.
8137         * testsuite/Makefile.in: Regenerate.
8139 2009-08-19  Cary Coutant  <ccoutant@google.com>
8141         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8142         symbols in shared libraries overridden by hidden or internal symbols
8143         in the main program.
8145 2009-08-19  Chris Demetriou  <cgd@google.com>
8147         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8148         checking source file names in error messages.
8150 2009-08-18  Doug Kwan  <dougkwan@google.com>
8152         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8153         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8154         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8155         an elfcpp::Ehdr as parameter.
8156         * object.cc (Object::set_target): Remove the version that looks up
8157         a target and sets it.
8158         (Sized_relobj::setup): Take a Target object instead of
8159         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8160         (make_elf_sized_object): Find target and ask target to
8161         make an ELF object.
8162         * object.h: (Object::set_target): Remove the version that looks up
8163         a target and sets it.
8164         (Sized_relobj::setup): Take a Target object instead of
8165         an elfcpp:Ehdr as parameter.
8166         * target.cc: Include dynobj.h.
8167         (Target::do_make_elf_object_implementation): New.
8168         (Target::do_make_elf_object): New.
8169         * target.h (Target::make_elf_object): New template declaration.
8170         (Target::do_make_elf_object): New method declarations.
8171         (Target::do_make_elf_object_implementation): New template declaration.
8173 2009-08-14  Ian Lance Taylor  <iant@google.com>
8175         * gold.h (FUNCTION_NAME): Define.
8176         (gold_unreachable): Use FUNCTION_NAME.
8178 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8180         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8181         symbol in the --keep-unique list is not found.
8183 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8185         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8186         been maked as --keep-unique.
8187         (Icf::unfold_section): New function.
8188         * icf.h (Icf::unfold_section): New function.
8189         * options.h (General_options::keep_unique): New option.
8190         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8191         * testsuite/Makefile.in: Regenerate.
8192         * testsuite/icf_keep_unique_test.sh: New file.
8193         * testsuite/icf_keep_unique_test.cc: New file.
8195 2009-08-12  Cary Coutant  <ccoutant@google.com>
8197         PR 10471
8198         * resolve.cc (Symbol_table::resolve): Check for references from
8199         dynamic objects to hidden and internal symbols.
8200         * testsuite/Makefile.am (hidden_test.sh): New test.
8201         * testsuite/Makefile.in: Regenerate.
8202         * testsuite/hidden_test.sh: New script.
8203         * testsuite/hidden_test_1.c: New test source.
8204         * testsuite/hidden_test_main.c: New test source.
8206 2009-08-11  Doug Kwan  <dougkwan@google.com>
8208         * arm.cc: Update comments.
8209         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8210         segment to locate the .ARM.exidx section if present.
8212 2009-08-09  Doug Kwan  <dougkwan@google.com>
8214         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8215         patch.
8217 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8218         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8219         compiler warnings.
8221 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8223         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8224         valid tls_segment only for non-debug-section relocations.
8225         * testsuite/Makefile.am: Add gc_tls_test.
8226         * testsuite/Makefile.in: Regenerate.
8227         * testsuite/gc_tls_test.cc: New file.
8228         * testsuite/gc_tls_test.sh: New file.
8230 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8232         * icf.cc: New file.
8233         * icf.h: New file.
8234         * Makefile.am (CCFILES): Add icf.cc.
8235         (HFILES): Add icf.h
8236         * Makefile.in: Regenerate.
8237         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8238         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8239         section, symbol and addend information for the relocs.
8240         * gold.cc (queue_middle_tasks): Call identical code folding.
8241         * gold.h: Add defines for multimap.
8242         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8243         to the call of finalize_local_symbols.
8244         * main.cc (main): Create object of class Icf.
8245         * object.cc (Sized_relobj::do_layout): Allow this function to be
8246         called twice during icf.
8247         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8248         to sections marked as identical by icf.
8249         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8250         when available.
8251         (Sized_relobj::do_section_entsize): New function.
8252         * object.h (Object::section_entsize): New function.
8253         (Object::do_section_entsize): New pure virtual function.
8254         (Relobj::finalize_local_symbols): Add new parameter.
8255         (Relobj::do_section_entsize): New function.
8256         * options.h (General_options::icf): New option.
8257         (General_options::icf_iterations): New option.
8258         (General_options::print_icf_sections): New option.
8259         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8260         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8261         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8262         icf.
8263         * symtab.cc (Symbol_table::is_section_folded): New function.
8264         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8265         to sections marked as identical by icf.
8266         * symtab.h (Symbol_table::set_icf): New function.
8267         (Symbol_table::icf): New function.
8268         (Symbol_table::is_section_folded): New function.
8269         (Symbol_table::icf_): New data member.
8270         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8271         * testsuite/Makefile.am: Add commands to build icf_test.
8272         * testsuite/Makefile.in: Regenerate.
8273         * testsuite/icf_test.sh: New file.
8274         * testsuite/icf_test.cc: New file.
8276 2009-07-24  Chris Demetriou  <cgd@google.com>
8278         * layout.cc (is_compressible_debug_section): Fix incorrect
8279         comment about compressed section names.
8281 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8283         PR 10419
8284         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8286 2009-07-16  Ian Lance Taylor  <iant@google.com>
8288         PR 10400
8289         * layout.h: #include <map>.
8290         (class Kept_section): Change from struct to class.  Add accessors
8291         and setters.  Add section size to Comdat_group mapping.  Change
8292         Comdat_group to std::map.  Add is_comdat_ field.  Add
8293         linkonce_size field in union.
8294         (class Layout): Update declaration of find_or_add_kept_section.
8295         Don't declare find_kept_object.
8296         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8297         parameter.  Add object, shndx, is_comdat, and is_group_name
8298         parameters.  Change all callers.  Adjust for new Kept_section.
8299         (Layout::find_kept_object): Remove.
8300         * object.cc (Sized_relobj::include_section_group): Update use of
8301         Kept_section.  Rename secnum to shndx.  Only record
8302         Kept_comdat_section if sections are the same size.
8303         (Sized_relobj::include_linkonce_section): Update use of
8304         Kept_section.  Only record Kept_comdat_section if sections are the
8305         same size.  Set size of linkonce section.
8306         (Sized_relobj::map_to_kept_section): Update call to
8307         get_kept_comdat_section.
8308         * object.h (class Sized_relobj): Rename fields in
8309         Kept_comdat_section to drop trailing underscores; change object
8310         field to Relobj*.  Change Kept_comdat_section_table to store
8311         struct rather than pointer.
8312         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8313         Add kept_object and kept_shndx parameters.  Change all callers.
8314         (Sized_relobj::get_kept_comdat_section): Change return type to
8315         bool.  Add kept_object and kept_shndx parameters.  Change all
8316         callers.
8317         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8318         Layout::find_or_add_kept_section.
8320 2009-07-09  Ian Lance Taylor  <iant@google.com>
8322         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8323         Reserve space in the hash table.
8325 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8327         * fileread.cc (File_read::get_mtime): New method.
8328         * fileread.h (Timespec): New structure.
8329         (File_read::get_mtime): New method.
8330         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8331         Renamed from timestamp_nsec.
8332         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8333         Elf_Xword.
8334         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8335         timestamp_nsec.
8336         (Incremental_inputs::report_archive): Save mtime; style fix.
8337         (Incremental_inputs::report_obejct): Save mtime; style fix.
8338         (Incremental_inputs::report_script): Save mtime; style fix.
8339         (Incremental_inputs::finalize_inputs): Style fix.
8340         (Incremental_inputs::finalize): Style fix.
8341         (Incremental_inputs::create_input_section_data): Store inputs
8342         mtime.
8343         * incremental.h (Incremental_inputs::report_script): Add mtime
8344         argument.
8345         (Incremental_inputs::Input_info::Input_info): Intialize only one
8346         union member.
8347         (Incremental_inputs::Input_info::archive): Move to nameless
8348         union.
8349         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8350         (Incremental_inputs::Input_info::script): Move to nameless union.
8351         (Incremental_inputs::mtime): New field.
8352         * script.cc (read_input_script): Pass file mtime to
8353         Incremental_input.
8354         * script.h (Script_info::inputs): Style fix.
8356 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8358         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8359         instead of 32.
8361 2009-06-24  Ian Lance Taylor  <iant@google.com>
8363         PR 10156
8364         * layout.cc (Layout::choose_output_section): If we find an
8365         existing section, update the flags.
8366         (Layout::create_notes): New function, broken out of
8367         Layout::finalize.
8368         (Layout::finalize): Don't create note sections.
8369         (Layout::create_note): Don't crash if linker script discards
8370         section.
8371         (Layout::create_gold_note): Likewise.
8372         (Layout::create_build_id): Likewise.  Don't set
8373         after_input_sections on the section.
8374         (Layout::create_executable_stack_info): Remove target parameter.
8375         Change caller.
8376         * layout.h (class Layout): Declare create_notes.  Update
8377         declaration of create_executable_stack_info.
8378         * gold.cc (queue_middle_tasks): Call create_notes.
8379         * output.cc (Output_section::update_flags_for_input_section): Move
8380         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8381         invalid.
8382         * output.h (Output_data::mark_address_invalid): New function.
8383         (class Output_section): Only declare, not define,
8384         update_flags_for_input_section.  Remove set_flags.
8386 2009-06-24  Ian Lance Taylor  <iant@google.com>
8388         * script-sections.cc (Output_section_definition::
8389         set_section_addresses): Rename shadowing local load_address to
8390         laddr.
8392 2009-06-24  Ian Lance Taylor  <iant@google.com>
8394         PR 10244
8395         * reloc.cc (relocate_sections): Skip empty relocation sections.
8397 2009-06-23  Ian Lance Taylor  <iant@google.com>
8399         PR 10156
8400         * layout.cc (Layout::create_note): Use choose_output_section
8401         rather than make_output_section.
8403 2009-06-23  Ian Lance Taylor  <iant@google.com>
8405         PR 10237
8406         * options.cc (General_options::parse_V): Set printed_version_.
8407         (General_options::General_options): Initialize printed_version_.
8408         * options.h (class General_options): Add printed_version_ field.
8409         * gold.cc (queue_initial_tasks): If there are no input files,
8410         don't give a fatal error if we printed the version information.
8411         (queue_middle_tasks): If using -r with a shared object, give a
8412         fatal error rather than an ordinary error.
8414 2009-06-23  Ian Lance Taylor  <iant@google.com>
8416         PR 10219
8417         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8418         (Layout::make_output_section): Set have_stabstr_section_ if we see
8419         a .stab*str section.
8420         (Layout::finalize): Call link_stabs_sections.
8421         (Layout::link_stabs_sections): New file.
8422         * layout.h (class Layout): Add have_stabstr_section_ field.
8423         Declare link_stabs_sections.
8425 2009-06-23  Doug Kwan  <dougkwan@google.com>
8427         * Makefile.am (libgold_a_LIBADD): New.
8428         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8429         * Makefile.in: Regenerate.
8430         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8431         * configure: Regenerate.
8432         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8433         * fileread.cc: Include sys/state.h
8434         * gold.h: Declare memmem and strndup if found missing.
8435         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8437 2009-06-23  Ian Lance Taylor  <iant@google.com>
8439         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8440         * configure: Rebuild.
8442 2009-06-23  Ian Lance Taylor  <iant@google.com>
8444         PR 10147
8445         * object.cc (Object::section_contents): Don't try to get a view if
8446         the section has length zero.
8447         (Object::handle_gnu_warning_section): If the section is empty, use
8448         the name of the section as the warning.
8450 2009-06-23  Ian Lance Taylor  <iant@google.com>
8452         PR 10133
8453         * stringpool.h (class Stringpool_template): Add optimize_ field.
8454         (Stringpool_template::set_optimize): New function.
8455         * stringpool.cc (Stringpool_template::Stringpool_template):
8456         Initialize optimize_ field.
8457         (Stringpool_template::set_string_offsets): Test local optimize
8458         fild rather than parameter.
8459         * layout.cc (Layout::Layout): Call set_optimize on the section
8460         name stringpool.
8462 2009-06-22  Ian Lance Taylor  <iant@google.com>
8464         PR 10030
8465         * yyscript.y: Parse TARGET.
8466         * script.cc (script_set_target): New function.
8467         * script-c.h (script_set_target): Declare.
8468         * options.cc (General_options::string_to_object_format): Rename
8469         from string_to_object_format in anonymous namespace.  Change
8470         callers.
8471         * options.h (class General_options): Declare
8472         string_to_object_format.
8474 2009-06-22  Ian Lance Taylor  <iant@google.com>
8476         * script-sections.cc (Script_sections::create_segments): Don't put
8477         program headers in a PT_LOAD segment if -n or -N.
8479 2009-06-22  Ian Lance Taylor  <iant@google.com>
8481         PR 10141
8482         * options.h (class General_options): Add -z lazy and -z now.  Sort
8483         -z options into alphabetical order.
8484         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8486 2009-06-21  Ian Lance Taylor  <iant@google.com>
8488         * layout.cc (Layout::make_output_section): Call
8489         Target::new_output_section.
8490         (Layout::attach_allocated_section_to_segment): Put large section
8491         sections in a separate load segment with the large segment flag
8492         set.
8493         (Layout::segment_precedes): Sort large data segments after other
8494         load segments.
8495         (align_file_offset): New static function.
8496         (Layout::set_segment_offsets): Use align_file_offset.
8497         * output.h (class Output_section): Add is_small_section_ and
8498         is_large_section_ fields.
8499         (Output_section::is_small_section): New function.
8500         (Output_section::set_is_small_section):  New function.
8501         (Output_section::is_large_section): New function.
8502         (Output_section::set_is_large_section): New function.
8503         (Output_section::is_large_data_section): New function.
8504         (class Output_segment): Add is_large_data_segment_ field.
8505         (Output_segment::is_large_data_segment): New function.
8506         (Output_segment::set_is_large_data_segment): New function.
8507         * output.cc (Output_section::Output_section): Initialize new
8508         fields.
8509         (Output_segment::Output_segment): Likewise.
8510         (Output_segment::add_output_section): Add assertion that large
8511         data sections always go in large data segments.  Force small data
8512         sections to the end of the list of data sections.  Force small BSS
8513         sections to the start of the list of BSS sections.  For large BSS
8514         sections to the end of the list of BSS sections.
8515         * symtab.h (class Symbol): Declare is_common_shndx.
8516         (Symbol::is_defined): Check Symbol::is_common_shndx.
8517         (Symbol::is_common): Likewise.
8518         (class Symbol_table): Define enum Commons_section_type.  Update
8519         declarations.  Add small_commons_ and large_commons_ fields.
8520         * symtab.cc (Symbol::is_common_shndx): New function.
8521         (Symbol_table::Symbol_table): Initialize new fields.
8522         (Symbol_table::add_from_object): Put small and large common
8523         symbols in the right list.
8524         (Symbol_table::sized_finalized_symbol): Check
8525         Symbol::is_common_shndx.
8526         (Symbol_table::sized_write_globals): Likewise.
8527         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8528         common symbol lists.  Don't call do_allocate_commons_list if the
8529         list is empty.
8530         (Symbol_table::do_allocate_commons_list): Remove is_tls
8531         parameter.  Add comons_section_type parameter.  Change all
8532         callers.  Handle small and large common symbols.
8533         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8534         Symbol::is_common_shndx.
8535         * resolve.cc (symbol_to_bits): Likewise.
8536         * target.h (Target::small_common_shndx): New function.
8537         (Target::small_common_section_flags): New function.
8538         (Target::large_common_shndx): New function.
8539         (Target::large_common_section_flags): New function.
8540         (Target::new_output_section): New function.
8541         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8542         small_common_section_flags, and large_common_section_flags
8543         fields.
8544         (Target::do_new_output_section): New virtual function.
8545         * arm.cc (Target_arm::arm_info): Initialize new fields.
8546         * i386.cc (Target_i386::i386_info): Likewise.
8547         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8548         Likewise.
8549         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8550         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8551         (Target_x86_64::do_new_output_section): New function.
8552         * configure.ac: Define conditional MCMODEL_MEDIUM.
8553         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8554         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8555         (large_LDFLAGS): Define.
8556         * testsuite/large.c: New file.
8557         * testsuite/testfile.cc (Target_test::test_target_info):
8558         Initialize new fields.
8559         * configure, testsuite/Makefile.in: Rebuild.
8561 2009-06-05  Doug Kwan  <dougkwan@google.com>
8563         * Makefile.am (CCFILES): Add target.cc.
8564         * Makefile.in: Regenerate.
8565         * i386.cc (class Target_i386): Define new virtual method to
8566         override do_is_local_label_name in parent.
8567         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8568         local symbols if --discard-locals or -X is given.
8569         * options.h (class General_options): Declare new options
8570         '--discard-locals' and '-X' for discarding locals.
8571         * target.h (class Target): Define new methods is_local_label_name.
8572         Declare new virtual method do_is_local_label_name.
8573         * target.cc: New file.
8574         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8575         (check_SCRIPTS): Add discard_locals_test.sh.
8576         (check_DATA): Add discard_local_tests.syms.
8577         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8578         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8579         * testsuite/Makefile.in: Regenerate.
8580         * testsuite/discard_locals_test.c: New file.
8581         * testsuite/discard_locals_test.sh: Same.
8583 2009-06-05  Doug Kwan  <dougkwan@google.com>
8585         * object.cc (Sized_relobj::Sized_relobj): Initialize
8586         discarded_eh_frame_shndx_ to -1U.
8587         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8588         section.
8589         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8590         a discarded .eh_frame section.
8591         (Sized_relobj::do_finalize_local_symbols): Ditto.
8592         * object.h (class Sized_relobj): Declare new member
8593         discarded_eh_frame_shndx_.
8594         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8595         (local_labels_test.o, local_labels_test): New rules.
8596         * testsuite/Makefile.in: Regenerate.
8598 2009-06-04  Doug Kwan  <dougkwan@google.com>
8600         * layout.cc (Layout::section_name_mapping): Add mapping for
8601         special ARM sections.
8603 2009-06-03  Doug Kwan  <dougkwan@google.com>
8605         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8606         (utils::has_overflow): Same.
8608 2009-06-03  Ian Lance Taylor  <iant@google.com>
8610         * layout.cc (Layout::section_name_mapping): New array, replacing
8611         Layout::linkonce_mapping.
8612         (Layout::section_name_mapping_count): New variable, replacing
8613         Layout::linkonce_mapping_count.
8614         (Layout::linkonce_output_name): Remove.
8615         (Layout::output_section_name): Rewrite.
8616         * layout.h (class Layout): Rename Linkonce_mapping to
8617         Section_name_mapping, linkonce_mapping to section_name_mapping,
8618         linkonce_mapping_count to section_name_mapping_count.  Don't
8619         declare linkonce_output_name.
8621 2009-06-03  Doug Kwan  <dougkwan@google.com>
8623         * gold/arm.cc (namespace utils): New.
8624         (Target_arm::reloc_is_non_pic): Define new method.
8625         (class Arm_relocate_functions): New.
8626         (Target_arm::Relocate::relocate): Handle relocation types used by
8627         Android.
8629 2009-06-03  Ian Lance Taylor  <iant@google.com>
8631         * arm.cc (Target_arm::scan::global): Use || instead of |.
8633 2009-06-02  Doug Kwan  <dougkwan@google.com>
8635         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8636         issued_non_pic_error_.
8637         (class Target_arm::Scan): Declare new method check_non_pic.
8638         Define new method symbol_needs_plt_entry.
8639         Declare new data member issued_non_pic_error_.
8640         (class Target_arm::Relocate): Declare new method
8641         should_apply_static_reloc.
8642         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8643         (Target_arm::Scan::check_non_pic): Define new method.
8644         (Target_arm::Scan::local): Handle a small subset of reloc types used
8645         by Android.
8646         (Target_arm::Scan::local): Same.
8647         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8649 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8651         * incremental.cc (Incremental_inputs::report_command_line): Filter
8652         out --incremental-* options.
8654 2009-05-29  Doug Kwan  <dougkwan@google.com>
8656         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8657         template class.
8658         (class Target_arm): Update comment.
8659         (Target_arm::Target_arm): Initialize new data members GOT_,
8660         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8661         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8662         and Target_arm::rel_dyn_section.
8663         Declare new_enum Target_arm::Got_type.
8664         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8665         and DYNBSS_.
8666         Update commments for member do_dynsym_value.
8667         (Target_arm::got_size, Target_arm::plt_section,
8668         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8669         new methods inside class defintion.
8670         (Target_arm::got_section): Define new method.
8671         (Target_arm::rel_dyn_section): Same.
8672         (Output_data_plt_arm): New template class.
8673         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8674         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8675         (Output_data_plt_arm::add_entry): Same.
8676         (Output_data_plt_arm::first_plt_entry): Define new
8677         static data member for PLT instruction template.
8678         (Output_data_plt_arm::plt_entry): Same.
8679         (Output_data_plt_arm::do_write): Define new method.
8680         (Target_arm::make_plt_entry): Same.
8681         (Target_arm::do_finalize_sections): Same.
8682         (Target_arm::do_dynsym_value): Same.
8684 2009-05-28  Doug Kwan  <dougkwan@google.com>
8686         * Makefile.am (TARGETSOURCES): Add arm.cc.
8687         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8688         * Makefile.in: Regenerate.
8689         * arm.cc: New file.
8690         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8692 2009-05-26  Doug Kwan  <dougkwan@google.com>
8694         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8695         (General_options::check_excluded_libs): Strip off directories in
8696         archive name before matching like GNU ld does.
8697         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8698         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8699         (exclude_libs_test_LDFLAGS): Add linker option
8700         -Wl,--exclude-libs,libexclude_libs_test_3
8701         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8702         an explicit archive without using -l.
8703         (alt/libexclude_libs_test_3.a): New make rule.
8704         * testsuite/Makefile.in: Regenerate.
8705         * testsuite/exclude_libs_test.c : Declare lib3_default().
8706         (main): Call it.
8707         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8708         * exclude_libs_test_3.c: New file.
8710 2009-05-26  Nick Clifton  <nickc@redhat.com>
8712         * po/id.po: New Indonesian translation.
8713         * po/gold.pot: Updated template file.
8715 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8717         * testsuite/Makefile.am: Add -ffunction-sections to compile
8718         gc_comdat_test files.  Add -Wl,--gc-sections to build
8719         gc_comdat_test.
8720         * testsuite/Makefile.in: Regenerate.
8721         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8723 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8725         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8726         kept comdat section was garbage collected.
8727         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8728         * testsuite/Makefile.in: Regenerate.
8729         * testsuite/gc_comdat_test.sh: New file.
8730         * testsuite/gc_comdat_test_1.cc: New file.
8731         * testsuite/gc_comdat_test_2.cc: New file.
8733 2009-05-19  Doug Kwan  <dougkwan@google.com>
8735         * archive.cc (Archive::Archive): Move constructor from archive.h
8736         to here.  Initialize no_export_.
8737         (Archive::get_elf_object_for_member): Set no_export flag of object.
8738         * archive.h (Archive::Archive): Move constructor body to
8739         archive.cc.
8740         (Archive::no_export): New method.
8741         (Archive::no_export_): New field.
8742         * object.h (Object::Object): Initialize no_export_ to false.
8743         (Object::no_export, Object::set_no_export): New methods.
8744         (Object::no_export_): New field.
8745         * options.cc (General_options::parse_exclude_libs): New method.
8746         (General_options::check_excluded_libs) Same.
8747         * options.h (exclude_libs): New option.
8748         (General_options::check_excluded_libs): New method declaration.
8749         (General_options::excluded_libs_): New field.
8750         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8751         default or protected visibility if an object has no-export flag set.
8752         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8753         (check_SCRIPTS): Add exclude_libs_test.sh.
8754         (check_DATA): Add exclude_libs_test.syms.
8755         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8756         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8757         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8758         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8759         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8760         libexclude_libs_test_2.a): New rules.
8761         * testsuite/Makefile.in: Regenerate.
8762         * testsuite/exclude_libs_test.c: New file.
8763         * testsuite/exclude_libs_test.sh: Ditto.
8764         * testsuite/exclude_libs_test_1.c: Ditto.
8765         * testsuite/exclude_libs_test_2.c: Ditto.
8767 2009-05-15  Ian Lance Taylor  <iant@google.com>
8769         * configure.ac: Check for declarations for cases where libiberty.h
8770         checks HAVE_DECL_xxx.
8771         * configure, config.in: Rebuild.
8773 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8775         * gold.h (Incremental_argument_list): Remove (invalid) forward
8776         declaration.
8777         * incremental.cc (Incremental_inputs::report_achive): New method.
8778         (Incremental_inputs::report_object): New method.
8779         (Incremental_inputs::report_script): New method.
8780         (Incremental_inputs::finalize_inputs): New method.
8781         (Incremental_inputs::finalize): Call finalize_inputs().
8782         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8783         Create inputs entries.
8784         * incremental.h (Incremental_input_type): New enum.
8785         (Incremental_inputs::Incremental_input): Initialize new fields.
8786         (Incremental_inputs::report_inputs): New method.
8787         (Incremental_inputs::report_achive): New method.
8788         (Incremental_inputs::report_object): New method.
8789         (Incremental_inputs::report_script): New method.
8790         (Incremental_inputs::finalize_inputs): New method.
8791         (Incremental_inputs::Input_info): New struct.
8792         (Incremental_inputs::Input_info_map): New typedef.
8793         (Incremental_inputs::lock_): New field.
8794         (Incremental_inputs::Inputs_): New field.
8795         (Incremental_inputs::Inputs_map): New field.
8796         * main.cc (main): Call Incremental_input::report_inputs.
8797         * options.h (Input_argument_list): Typedef moved from
8798         Input_arguments.
8799         (Input_file_group::Files): Remove, use ::Input_argument_list.
8800         (Input_file_group::Input_argument_list): Remove, use
8801         ::Input_argument_list.
8802         * plugin.cc (Plugin_manager::add_input_file): Add error in
8803         incremental build.
8804         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8805         functions.
8806         * script.cc (read_input_script): Call
8807         Incremental_input::report_script.
8808         * script.h (Script_info): New class.
8810 2009-04-27  Ian Lance Taylor  <iant@google.com>
8812         * x86_64.cc (do_adjust_output_section): Set entsize to
8813         plt_entry_size.
8815 2009-04-23  Elliott Hughes  <enh@google.com>
8817         * output.cc (Output_file::close): After short writes, continue
8818         writing from the correct offset in the buffer being written.
8820 2009-04-23  Chris Demetriou  <cgd@google.com>
8822         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8823         * configure: Regenerate.
8824         * config.in: Regenerate.
8825         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8826         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8828 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8830         * incremental.cc (Incremental_inputs_header_data): Renamed from
8831         Incremental_input_header_data.
8832         (Incremental_inputs_header_data::data_size): New field.
8833         (Incremental_inputs_header_data::put_input_file_count): Renamed
8834         from input_file_count.
8835         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8836         from command_line_offset.
8837         (Incremental_inputs_header_data::put_reserved): Renamed from
8838         put_reserved.
8839         (Incremental_inputs_entry_data): Renamed from
8840         Incremental_input_entry_data.
8841         (Incremental_inputs_entry_data::data_size): New field.
8842         (Incremental_inputs::report_command_line): New method.
8843         (Incremental_inputs::finalize): New method.
8844         (Incremental_inputs::create_incremental_inputs_data): New method.
8845         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8846         * incremental.h: New file.
8847         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8848        (Layout::finalize): Create incremental inputs section in
8849         incremental builds.
8850        (Layout::create_incremental_info_sections): New method.
8851         * layout.h (Layout::incremental_inputs): New method.
8852        (Layout::create_incremental_info_sections): New method.
8853        (Layout::incremental_inputs_): New field.
8854         * main.cc (main): Notify Incremental_input of the command line.
8856 2009-04-01  Ian Lance Taylor  <iant@google.com>
8857             Mikolaj Zalewski  <mikolajz@google.com>
8859         * gold.h (reserve_unordered_map): Define, three versions, one for
8860         each version of Unordered_map.
8861         * layout.cc (Layout::Layout): Remove options parameter.  Add
8862         number_of_input_files parameter.  Don't initialize options_.
8863         Initialize number_of_input_files_ and resized_signatures_.  Move
8864         sections_are_attached_.
8865         (Layout::layout_group): Reserve space for group_signatures_.
8866         (Layout::find_or_add_kept_section): Change name parameter to be a
8867         reference.  Resize signatures_ map when it gets large enough.
8868         (Layout::layout_eh_frame): Use parameters->options() instead of
8869         this->options_.
8870         (Layout::make_output_section): Likewise.
8871         (Layout::attach_allocated_section_to_segment): Likewise.
8872         (Layout::finalize, Layout::create_executable_stack): Likewise.
8873         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8874         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8875         * layout.h (class Layout): Update declarations.  Remove options_
8876         field.  Add number_of_input_files_ and resized_signatures_
8877         fields.  Move sections_are_attached_ field.
8878         * main.cc (main): Pass number of input files to Layout
8879         constructor.  Don't pass options.
8881 2009-03-30  Ian Lance Taylor  <iant@google.com>
8883         * ffsll.c (ffsll): Correct implementation.
8885 2009-03-27  Ian Lance Taylor  <iant@google.com>
8887         * ffsll.c: New file.
8888         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8889         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8890         * ftruncate.c (ftruncate): Declare before definition.
8891         * mremap.c (mremap): Likewise.
8892         * pread.c (pread): Likewise.
8893         * configure, Makefile.in, config.in: Rebuild.
8895         * mremap.c: New file.
8896         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8897         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8898         (mremap): Declare if HAVE_MREMAP is not defined.
8899         * configure, Makefile.in, config.in: Rebuild.
8901 2009-03-27  Cary Coutant  <ccoutant@google.com>
8903         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8904         position independent.
8905         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8906         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8908 2009-03-24  Cary Coutant  <ccoutant@google.com>
8910         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8911         an executable.
8912         (needs_dynamic_reloc): Likewise.
8914 2009-03-24  Ian Lance Taylor  <iant@google.com>
8916         * yyscript.y (file_cmd): Recognize EXTERN.
8917         (extern_name_list, extern_name_list_body): New nonterminals.
8918         * script.cc (script_add_extern): Define.
8919         * script-c.h (script_add_extern): Declare.
8921 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8923         * object.cc (is_elf_object): Define.
8924         * object.h (is_elf_object): Declare.
8925         * archive.cc (Archive::get_elf_object_for_member): Call
8926         is_elf_object.
8927         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8929 2009-03-24  Elliott Hughes  <enh@google.com>
8931         * output.cc (Output_file::map_anonymous): Define.
8932         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8933         try an anonymous one.  Report the size if the mmap fails.
8934         * output.h (class Output_file): Declare map_anonymous.
8936 2009-03-24  Ian Lance Taylor  <iant@google.com>
8938         * target-select.cc (instantiate_target): Don't acquire the lock if
8939         the instantiated_target_ field has already been set.
8941 2009-03-23  Ian Lance Taylor  <iant@google.com>
8943         * gold-threads.h (class Initialize_lock): Define.
8944         * gold-threads.cc (class Initialize_lock_once): Define.
8945         (initialize_lock_control): New static variable.
8946         (initialize_lock_pointer): New static variable.
8947         (initialize_lock_once): New static function.
8948         (Initialize_lock::Initialize_lock): Define.
8949         (Initialize_lock::initialize): Define.
8950         * target-select.h: Include "gold-threads.h".
8951         (class Target_selector): Add lock_ and initialize_lock_ fields.
8952         Don't define instantiate_target, just declare it.
8953         * target-select.cc (Target_selector::Target_selector): Initialize
8954         new fields.
8955         (Target_selector::instantiate_target): Define.
8956         * descriptors.h: Include "gold-threads.h".
8957         (class Descriptors): Add initialize_lock_ field.
8958         * descriptors.cc (Descriptors::Descriptors): Initialize new
8959         field.
8960         (Descriptors::open): Use initialize_lock_ field
8961         * errors.h (class Errors): Add initialize_lock_ field.
8962         * errors.cc (Errors::Errors): Initialize new field.
8963         (Errors::initialize_lock): Use initialize_lock_ field.
8964         * powerpc.cc (class Target_selector_powerpc): Remove
8965         instantiated_target_ field.  In do_recognize call
8966         instantiate_target rather than do_instantiate_target.  In
8967         do_instantiate_target just allocate a new target.
8968         * sparc.cc (class Target_selector_sparc): Likewise.
8970         * freebsd.h: New file.
8971         * i386.cc: Include "freebsd.h".
8972         (Target_i386): Derive from Target_freebsd rather than
8973         Sized_target.
8974         (Target_selector_i386): Derive from Target_selector_freebsd rather
8975         than Target_selector.
8976         * x86_64.cc: Include "freebsd.h".
8977         (Target_x86_64): Derive from Target_freebsd rather than
8978         Sized_target.
8979         (Target_selector_x86_64): Derive from Target_selector_freebsd
8980         rather than Target_selector.
8981         * target.h (class Target): Add adjust_elf_header and
8982         do_adjust_elf_header.
8983         * output.cc (Output_file_header:: do_sized_write): Call target
8984         adjust_elf_header routine.
8985         * configure.tgt: Set targ_osabi.
8986         * configure.ac: Define GOLD_DEFAULT_OSABI.
8987         * parameters.cc (Parameters::default_target): Pass
8988         GOLD_DEFAULT_OSABI to select_target.
8989         * target-select.h (class Target_selector): Make instantiate_target
8990         protected rather than private.
8991         * Makefile.am (HFILES): Add freebsd.h.
8992         * configure, Makefile.in, config.in: Rebuild.
8994         * merge.cc (do_add_input_section): Correct pend value.  Change
8995         message about last entry not being null terminated from error to
8996         warning.
8998 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9000         * incremental.cc: New file.
9001         * Makefile.am (CCFILES): Add incremental.cc.
9002         * Makefile.in: Rebuild.
9004 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9006         * layout.cc (Layout::output_section_name): Preserve names
9007         of '.note.' sections.
9009 2009-03-19  Ian Lance Taylor  <iant@google.com>
9011         * descriptors.cc (Descriptors::open): Check that the options are
9012         valid before using them.
9014 2009-03-18  Ian Lance Taylor  <iant@google.com>
9016         * script-sections.h: Include <list>.
9017         (class Script_sections): Change Sections_elements from std::vector
9018         to std::list.  Typedef public Elements_iterator.  Add
9019         orphan_section_placement_, data_segment_align_start_, and
9020         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9021         field.
9022         * script-sections.cc (class Orphan_section_placement): New class.
9023         (class Sections_element): Add virtual functions is_relro and
9024         orphan_section_init.  Remove virtual function place_orphan_here.
9025         (class Output_section_definition): Add is_relro and
9026         orphan_section_init.  Remove place_orphan_here.
9027         (class Orphan_output_section): Likewise.
9028         (Script_sections::Script_sections): Update for field changes.
9029         (Script_sections::data_segment_align): Set saw_data_segment_align_
9030         and data_segment_align_start_, not data_segment_align_index.
9031         (Script_sections::data_segment_relro_end): Check
9032         saw_data_segment_align_.  Use data_segment_align_start_ rather
9033         than data_segment_align_index_.
9034         (Script_sections::place_orphan): Rewrite to use
9035         Orphan_section_placement.
9037 2009-03-17  Ian Lance Taylor  <iant@google.com>
9039         * archive.cc (Archive::add_symbols): Check for a version attached
9040         to the symbol name in the archive map.
9041         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9042         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9043         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9044         (ver_test_11.a): New target.
9045         * testsuite/Makefile.in: Rebuild.
9047         * configure.ac: Check for chsize and posix_fallocate.  Replace
9048         ftruncate.
9049         * ftruncate.c: New file, from gnulib.
9050         * output.cc (posix_fallocate): Define dummy version if not
9051         HAVE_POSIX_FALLOCATE.
9052         (Output_file::map): Call posix_fallocate rather than lseek and
9053         write.
9054         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9055         * configure, Makefile.in, config.in: Rebuild.
9057 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9059         * layout.h (Layout::create_note): Add section_name parameter.
9060         * layout.cc (Layout::create_note): Likewise.
9061         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9063 2009-03-17  Ian Lance Taylor  <iant@google.com>
9065         * descriptors.cc: Include "options.h".
9066         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9067         (Descriptors::open): Always use O_CLOEXEC when opening a new
9068         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9069         then set FD_CLOEXEC.
9071         * sparc.cc (class Target_sparc): Add has_got_section.
9072         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9073         make sure we have a GOT section.
9075         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9076         (Target_sparc::Scan::local): Likewise.
9077         (Target_sparc::Scan::global): Likewise.
9078         (Target_sparc::Relocate::relocate): Likewise.
9079         (Target_sparc::Relocate::relocate_tls): Likewise.
9081         * symtab.cc (Symbol_table::define_default_version): New function,
9082         broken out of add_from_object.
9083         (Symbol_table::add_from_object): Call define_default_version.
9084         (Symbol_table::define_special_symbol): Add resolve_oldsym
9085         parameter.  Change all callers.  If the version for a symbol comes
9086         from a version script, resolve it with the symbol with the same
9087         name with no version.  Also add the symbol without a version if
9088         appropriate.
9089         (do_define_in_output_data): If resolving with oldsym, don't delete
9090         sym.
9091         (do_define_in_output_segment): Likewise.
9092         (do_define_as_constant): Likewise.
9093         * symtab.h (class Symbol_table): Update declarations.
9095 2009-03-13  Ian Lance Taylor  <iant@google.com>
9097         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9098         (Read_symbols::requeue): New function.
9099         (Read_symbols::do_read_symbols): If make_elf_object fails because
9100         the target type is not configured, and the file was searched for,
9101         issue a warning and retry with the next directory.
9102         (Add_symbols::run): If the file has an incompatible format, and
9103         it was searched for, requeue the Read_symbols task.  On error,
9104         release the object.
9105         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9106         dirindex parameter to constructor.  Change all callers.  Declare
9107         incompatible_warning and requeue.
9108         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9109         input_argument_ and input_group_ fields.  Add them to
9110         constructor.  Change all callers.
9111         (class Read_script): Add dirindex_ field.  Add it to constructor.
9112         Change all callers.
9113         * archive.cc (Archive::setup): Remove input_objects parameter.
9114         Change all callers.
9115         (Archive::get_file_and_offset): Likewise.
9116         (Archive::read_all_symbols): Likewise.
9117         (Archive::read_symbols): Likewise.
9118         (Archive::get_elf_object_for_member): Remove input_objects
9119         parameter.  Add punconfigured parameter.  Change all callers.
9120         (Archive::add_symbols): Change return type to bool.  Check return
9121         value of include_member.
9122         (Archive::include_all_members): Likewise.
9123         (Archive::include_member): Change return type to bool.  Return
9124         false if first included object has incompatible target.  Set
9125         included_member_ field.
9126         (Add_archive_symbols::run): If add_symbols returns false, requeue
9127         Read_symbols task.
9128         * archive.h (class Archive): Add included_member_ field.
9129         Initialize it in constructor.  Add input_file and searched_for
9130         methods.  Update declarations.
9131         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9132         input_argument_ fields.  Add them to constructor.  Change all
9133         callers.
9134         * script.cc: Include "target-select.h".
9135         (class Parser_closure): Add skip_on_incompatible_target_ and
9136         found_incompatible_target_ fields.  Add
9137         skip_on_incompatible_target parameter to constructor.  Change all
9138         callers.  Add methods skip_on_incompatible_target,
9139         clear_skip_on_incompatible_target, found_incompatible_target, and
9140         set_found_incompatible_target.
9141         (read_input_script): Add dirindex parameter.  Change all callers.
9142         If parser finds an incompatible target, requeue Read_symbols
9143         task.
9144         (script_set_symbol): Clear skip_on_incompatible_target in
9145         closure.
9146         (script_add_assertion, script_parse_option): Likewise.
9147         (script_start_sections, script_add_phdr): Likewise.
9148         (script_check_output_format): New function.
9149         * script.h (read_input_script): Update declaration.
9150         * script-c.h (script_check_output_format): Declare.
9151         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9152         (ignore_cmd): Remove OUTPUT_FORMAT.
9153         * fileread.cc (Input_file::Input_file): Add explicit this.
9154         (Input_file::will_search_for): New function.
9155         (Input_file::open): Add pindex parameter.  Change all callers.
9156         * fileread.h (class Input_file): Add input_file_argument method.
9157         Declare will_search_for.  Update declarations.
9158         * object.cc (make_elf_object): Add punconfigured parameter.
9159         Change all callers.
9160         * object.h (class Object): Make input_file public.  Add
9161         searched_for method.
9162         (make_elf_object): Update declaration.
9163         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9164         restart search.
9165         * dirsearch.h (class Dirsearch): Update declaration.
9166         * options.h (class General_options): Add --warn-search-mismatch.
9167         * parameters.cc (Parameters::is_compatible_target): New function.
9168         * parameters.h (class Parameters): Declare is_compatible_target.
9169         * workqueue.cc (Workqueue::add_blocker): New function.
9170         * workqueue.h (class Workqueue): Declare add_blocker.
9172         * fileread.cc (Input_file::open): Remove options parameter.
9173         Change all callers.
9174         (Input_file::open_binary): Likewise.
9175         * script.cc (read_input_script): Likewise.
9176         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9177         options parameter from constructor.  Change all callers.
9178         (class Read_script): Likewise.
9179         * fileread.h (class Input_file): Update declarations.
9180         * script.h (read_input_script): Update declaration.
9182 2009-03-10  Nick Clifton  <nickc@redhat.com>
9184         * po/es.po: New Spanish translation.
9186 2009-03-06  Cary Coutant  <ccoutant@google.com>
9188         * options.cc (parse_short_option): Keep dash_z from registering itself.
9190 2009-03-03  Ian Lance Taylor  <iant@google.com>
9192         PR 9918
9193         * target-reloc.h (relocate_section): Pass output_section to
9194         relocate.
9195         * i386.cc (Target_i386::should_apply_static_reloc): Add
9196         output_section parameter.  Change all callers.
9197         (Target_i386::Relocate::relocate): Add output_section parameter.
9198         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9199         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9200         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9201         * testsuite/two_file_shared.sh: New script.
9202         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9203         (check_DATA): Add two_file_shared.dbg.
9204         (two_file_shared.dbg): New target.
9205         * testsuite/Makefile.in: Rebuild.
9207 2009-03-01  Ian Lance Taylor  <iant@google.com>
9209         * configure.ac: Check for byteswap.h.
9210         * configure: Rebuild.
9211         * config.in: Rebuild.
9213 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9215         * layout.cc (Layout::find_or_add_kept_section): New function.
9216         (Layout::add_comdat): Removed.
9217         * layout.h (struct Kept_section): Move out of class Layout.
9218         Remove trailing underscores from field names.  Add group_sections
9219         field.  Rename group_ field to is_group.  Change all uses.
9220         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9221         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9222         comdat_groups_ field.
9223         (Sized_relobj::include_section_group): Use
9224         find_or_add_kept_section and Kept_section::group_sections.
9225         (Sized_relobj::include_linkonce_section): Likewise.
9226         * object.cc (class Sized_relobj): Don't define Comdat_group or
9227         Comdat_group_table.  Remove find_comdat_group and
9228         add_comdat_group.  Remove comdat_groups_ field.
9229         * plugin.cc (include_comdat_group): Use
9230         Layout::find_or_add_kept_section.
9232 2009-02-28  Ian Lance Taylor  <iant@google.com>
9234         * README: --gc-sections and map files are now supported.  Document
9235         some build requirements.
9237         PR 6992
9238         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9239         relocatable link set the value of the section symbol to zero.
9240         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9241         relocatable link don't include the section address in the local
9242         symbol value.
9244 2009-02-27  Ian Lance Taylor  <iant@google.com>
9246         PR 6811
9247         * options.h (class Search_directory): Add is_system_directory.
9248         (class General_options): Declare is_in_system_directory.
9249         * options.cc (get_relative_sysroot): Make static.
9250         (get_default_sysroot): Make static.
9251         (General_optoins::is_in_system_directory): New function.
9252         * fileread.cc (Input_file::is_in_system_directory): New function.
9253         * fileread.h (class Input_file): Declare is_in_system_directory.
9254         * object.h (class Object): Add is_in_system_directory.
9255         (class Input_objects): Remove system_library_directory_ field.
9256         * object.cc (Input_objects::add_object): Don't set
9257         system_library_directory_.
9258         (input_objects::found_in_system_library_directory): Remove.
9259         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9260         parameter.  Change all callers.
9261         (Symbol_table::sized_write_globals): Likewise.
9262         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9263         Call Object::is_in_system_directory.
9264         * symtab.h (class Symbol_table): Update declarations.
9266         PR 5990
9267         * descriptors.h (Open_descriptor): Add is_on_stack field.
9268         * descriptors.cc (Descriptors::open): If the descriptor is on the
9269         top of the stack, remove it.  Initialize is_on_stack field.
9270         (Descriptors::release): Only add pod to stack if it is not on the
9271         stack already.
9272         (Descriptors::close_some_descriptor): Clear stack_next and
9273         is_on_stack fields.
9275         PR 7091
9276         * output.cc (Output_section::find_starting_output_address): Rename
9277         from starting_output_address; add PADDR parameter; change return
9278         type.
9279         * output.h (class Output_section): Declare
9280         find_starting_output_address instead of starting_output_address.
9281         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9282         section symbol for which we can't find a merge section.
9284         PR 9836
9285         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9286         hidden or internal, force the symbol to be local.
9287         * resolve.cc (Symbol::override_visibility): Define.
9288         (Symbol::override_base): Use override_visibility.
9289         (Symbol_table::resolve): Likewise.
9290         (Symbol::override_base_with_special): Likewise.
9291         (Symbol_table::override_with_special): If the visibility is hidden
9292         or internal, force the symbol to be local.
9293         * symtab.h (class Symbol): Add set_visibility and
9294         override_visibility.
9295         * testsuite/ver_test_1.sh: New file.
9296         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9297         (check_DATA): Add ver_test_1.syms.
9298         (ver_test_1.syms): New target.
9299         * testsuite/Makefile.in: Rebuild.
9301 2009-02-25  Cary Coutant  <ccoutant@google.com>
9303         * layout.cc (Layout::choose_output_section): Don't rename sections
9304         when using a linker script that has a SECTIONS clause.
9305         * Makefile.in: Regenerate.
9307         * testsuite/Makefile.am (script_test_5.sh): New test case.
9308         * testsuite/Makefile.in: Regenerate.
9309         * testsuite/script_test_5.cc: New file.
9310         * testsuite/script_test_5.sh: New file.
9311         * testsuite/script_test_5.t: New file.
9313 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9315         * archive.cc (Archive::include_member): Update calls to add_symbols.
9316         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9317         the Layout argument.
9318         * dynobj.h (do_add_symbols): Add the Layout argument.
9319         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9320         Layout argument.
9321         * object.h (Object::add_symbols): Add the Layout argument.
9322         (Object::do_add_symbols): Add the Layout argument.
9323         (Sized_relobj::do_add_symbols): Add the Layout argument.
9324         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9325         Unify the two versions.
9326         (Add_plugin_symbols): Remove.
9327         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9328         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9329         (Add_plugin_symbols): Remove.
9330         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9331         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9332         (Add_symbols::run): Make it work with Pulginobj.
9334 2009-02-06  Ian Lance Taylor  <iant@google.com>
9336         * object.cc (Sized_relobj::do_layout): Make info message start
9337         with lower case letter.
9339 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9341         * binary.cc: Fix file comment.
9343         * options.h (enum Incremental_disposition): Define.
9344         (class General_options): Add new options: --incremental,
9345         --incremental_changed, --incremental_unchanged,
9346         --incremental_unknown.  Add incremental_disposition_ and
9347         implicit_incremental_ fields.
9348         (General_options::incremental_disposition): New function.
9349         (class Position_dependent_options): Add incremental_disposition
9350         option.
9351         (Position_dependent_options::copy_from_options): Set incremental
9352         dispositions.
9353         * options.cc (General_options::parse_incremental_changed): New
9354         function.
9355         (General_options::parse_incremental_unchanged): New function.
9356         (General_options::parse_incremental_unknown): New function.
9357         (General_options::General_options): Initialize new fields
9358         incremental_disposition_ and implicit_incremental_.
9359         (General_options::finalize): Check for uasge of --incremental-*
9360         without --incremental.
9362 2009-02-06  Chris Demetriou  <cgd@google.com>
9364         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9365         pointer and to report location as the file name associated with
9366         the symbol.
9367         (gold_undefined_symbol_at_location): New function to replace the
9368         old gold_undefined_symbol functionality.
9369         * target-reloc.h (relocate_section): Update to use
9370         gold_undefined_symbol_at_location.
9371         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9372         Call gold_undefined_symbol function rather than gold_error.
9373         * errors.h (Errors::undefined_symbol): Take location as a
9374         string, rather than calculating it from a relocation.
9375         * errors.cc (Errors::fatal): Print "fatal error:" before the
9376         formatted message.
9377         (Errors::error, Errors::error_at_location): Print "error: "
9378         before the formatted message.
9379         (Errors::undefined_symbol): Take location as a string, rather
9380         than calculating it from a relocation.
9381         (gold_undefined_symbol_at_location): New function akin to
9382         old gold_undefined_symbol, calculates location from relocation.
9383         (gold_undefined_symbol): Change to take only a Symbol pointer
9384         and to report location as the file name associated with the symbol.
9385         * testsuite/debug_msg.sh: Update for changed error messages.
9386         * testsuite/undef_symbol.sh: Likewise.
9388 2009-02-04  Duncan Sands  <baldrick@free.fr>
9390         PR 9812
9391         * reduced_debug_output.h
9392         (Output_reduced_debug_abbrev_section::failed): Use format for
9393         gold_warning.
9394         (Output_reduced_debug_info_section::faild): Likewise.
9396 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9398         * script.cc (Lazy_demangler): New class.
9399         (Version_script_info::get_symbol_version_helper): Demangle a
9400         symbol only once.
9402 2009-01-29  Cary Coutant  <ccoutant@google.com>
9404         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9405         to __tls_get_addr.
9406         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9408 2009-01-28  Ian Lance Taylor  <iant@google.com>
9410         * version.cc (version_string): Bump to 1.9.
9412         * gold.h: Include <cstring> and <stdint.h>.
9413         * version.cc: Include <cstdio>.
9414         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9415         warning.
9416         * reduced_debug_output.cc (insert_into_vector): Rename from
9417         Insert_into_vector; change all callers.  Use Swap_unaligned to
9418         avoid aliasing issue; remove union since it is unnecessary.
9420 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9422         * Makefile.am (CCFILES): Add gc.cc.
9423         (HFILES): Add gc.h.
9424         * Makefile.in: Regenerate.
9425         * gold.cc (Gc_runner): New class.
9426         (queue_initial_tasks): Call garbage collection related tasks
9427         when corresponding options are invoked.
9428         (queue_middle_gc_tasks): New function.
9429         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9430         processed early before laying out sections during garbage collection.
9431         * gold.h (queue_middle_gc_tasks): New function.
9432         (is_prefix_of): Move from "layout.cc".
9433         * i386.cc (Target_i386::gc_process_relocs): New function.
9434         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9435         * main.cc (main): Create object of class "Garbage_collection".
9436         * object.cc (Relobj::copy_symbols_data): New function.
9437         (Relobj::is_section_name_included): New function.
9438         (Sized_relobj::do_layout): Allow this function to be called twice
9439         during garbage collection and defer layout of section during the
9440         first call.
9441         * object.h (Relobj::get_symbols_data): New function.
9442         (Relobj::is_section_name_included): New function.
9443         (Relobj::copy_symbols_data): New function.
9444         (Relobj::set_symbols_data): New function.
9445         (Relobj::get_relocs_data): New function.
9446         (Relobj::set_relocs_data): New function.
9447         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9448         (Relobj::gc_process_relocs): New function.
9449         (Relobj::do_gc_process_relocs): New pure virtual function.
9450         (Relobj::sd_): New data member.
9451         (Sized_relobj::is_output_section_offset_invalid): New function.
9452         (Sized_relobj::do_gc_process_relocs): New function.
9453         * options.h (General_options::gc_sections): Modify to not be a no-op.
9454         (General_options::print_gc_sections): New option.
9455         * plugin.cc (Plugin_finish::run): Remove function call to
9456         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9457         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9458         * reloc.cc (Read_relocs::run): Add task to process relocs and
9459         determine unreferenced sections when doing garbage collection.
9460         (Gc_process_relocs): New class.
9461         (Sized_relobj::do_gc_process_relocs): New function.
9462         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9463         sections that are garbage collected.
9464         * reloc.h (Gc_process_relocs): New class.
9465         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9466         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9467         symbols whose corresponding sections are garbage collected.
9468         (Symbol_table::Symbol_table): Add new parameter for the garbage
9469         collection object.
9470         (Symbol_table::gc_mark_undef_symbols): New function.
9471         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9472         (Symbol_table::gc_mark_dyn_syms): New function.
9473         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9474         as garbage.
9475         (Symbol_table::add_from_object): Likewise.
9476         (Symbol_table::add_from_relobj): When building shared objects, do not
9477         treat externally visible symbols as garbage.
9478         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9479         table information for static and relocatable links.
9480         * symtab.h (Symbol_table::set_gc): New function.
9481         (Symbol_table::gc): New function.
9482         (Symbol_table::gc_mark_undef_symbols): New function.
9483         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9484         (Symbol_table::gc_mark_dyn_syms): New function.
9485         (Symbol_table::gc_): New data member.
9486         * target.h (Sized_target::gc_process_relocs): New pure virtual
9487         function.
9488         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9489         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9491 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9493         * options.h (General_options::gc_sections): Define as a no-op for now.
9494         (General_options::no_keep_memory): Ditto.
9495         (General_options::Bshareable): Define.
9496         * options.cc (General_options::finalize): Honor -Bshareable.
9498 2009-01-20  Andreas Schwab  <schwab@suse.de>
9500         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9501         read the value in the contents, since we don't use it.  Use the
9502         template endianness when writing.
9503         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9505 2009-01-19  Andreas Schwab  <schwab@suse.de>
9507         * configure.tgt (powerpc64-*): Fix targ_obj.
9509 2009-01-15  Ian Lance Taylor  <iant@google.com>
9511         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9512         local symbols when stripping all symbols.
9514 2009-01-14  Cary Coutant  <ccoutant@google.com>
9516         * output.cc (Output_reloc): Add explicit instantiations.
9518 2009-01-14  Cary Coutant  <ccoutant@google.com>
9520         * archive.cc (Archive::get_elf_object_for_member): Remove call
9521         to File_read::claim_for_plugin.
9522         * descriptors.cc (Descriptors::open): Remove reference to
9523         is_claimed.
9524         (Descriptors::claim_for_plugin): Remove.
9525         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9526         (Descriptors::is_claimed): Remove.
9527         (claim_descriptor_for_plugin): Remove.
9528         * fileread.cc (File_read::claim_for_plugin): Remove.
9529         * fileread.h (File_read::claim_for_plugin): Remove.
9530         (File_read::descriptor): Reopen descriptor if necessary.
9531         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9532         (Plugin_manager::all_symbols_read): Add task parameter. Change
9533         all callers.
9534         (Plugin_manager::get_input_file): New function.
9535         (Plugin_manager::release_input_file): New function.
9536         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9537         corresponding data member.
9538         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9539         and pass to base constructor. Change all callers.
9540         (get_input_file, release_input_file): New functions.
9541         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9542         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9543         (Plugin_manager::all_symbols_read): Add task parameter.
9544         (Plugin_manager::get_input_file): New function.
9545         (Plugin_manager::release_input_file): New function.
9546         (Plugin_manager::task_): New data member.
9547         (Pluginobj::Pluginobj): Add filesize parameter.
9548         (Pluginobj::filename): New function.
9549         (Pluginobj::descriptor): New function.
9550         (Pluginobj::filesize): New function.
9551         (Pluginobj::filesize_): New data member.
9552         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9553         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9554         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9556         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9557         with archive libraries.
9558         * testsuite/Makefile.in: Regenerate.
9559         * testsuite/plugin_test.c (struct sym_info): New type.
9560         (get_input_file, release_input_file): New static variables.
9561         (onload): Capture new transfer vector entries.
9562         (claim_file_hook): Stop reading at end of file according to filesize.
9563         Factor out parsing of readelf output into separate function.
9564         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9565         APIs and get the source file name from the symbol table.  Convert
9566         source file name to corresponding object file name.  Print info
9567         message when adding new input files.
9568         (parse_readelf_line): New function.
9569         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9570         * testsuite/plugin_test_2.sh: Likewise.
9571         * testsuite/plugin_test_3.sh: Likewise.
9572         * testsuite/plugin_test_4.sh: New test case.
9574 2009-01-07  Ian Lance Taylor  <iant@google.com>
9576         * version.cc (version_string): Bump to 1.8.
9578 2008-12-23  Cary Coutant  <ccoutant@google.com>
9580         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9581         * plugin.cc (Plugin_manager::finish): Rename as
9582         layout_deferred_objects.  Move cleanup to separate function.
9583         (Plugin_manager::cleanup): New function.
9584         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9585         separately.
9586         * plugin.h (Plugin_manager::finish): Rename as
9587         layout_deferred_objects.
9588         (Plugin_manager::cleanup): New function.
9589         (Plugin_manager::cleanup_done): New field.
9591 2008-12-23  Cary Coutant  <ccoutant@google.com>
9593         * plugin.cc (is_visible_from_outside): New function.
9594         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9595         so we don't return "IR only" status for exported symbols or -r links.
9597         * testsuite/Makefile.am (plugin_test_3): New test case.
9598         * testsuite/Makefile.in: Regenerate.
9599         * testsuite/plugin_test_3.sh: New file.
9601 2008-12-22  Cary Coutant  <ccoutant@google.com>
9603         * object.cc (Sized_relobj::layout_section): New function.
9604         (Sized_relobj::do_layout): Defer layout of input sections until after
9605         plugin has provided replacement files.
9606         (Sized_relobj::do_layout_deferred_sections): New function.
9607         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9608         (Relobj::layout_deferred_sections): New function.
9609         (Relobj::do_layout_deferred_sections): New function.
9610         (Sized_relobj::do_layout_deferred_sections): New function.
9611         (Sized_relobj::layout_section): New function.
9612         (Sized_relobj::Deferred_layout): New structure.
9613         (Sized_relobj::deferred_layout_): New field.
9614         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9615         Change all callers.  Layout deferred sections.
9616         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9617         references.
9618         (Plugin_hook::run): Move code from do_plugin_hook inline.
9619         (Plugin_hook::do_plugin_hook): Remove.
9620         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9621         (Plugin_manager::finish): Renamed, was cleanup.
9622         (Plugin_manager::should_defer_layout): New function.
9623         (Plugin_manager::add_deferred_layout_object): New function.
9624         (Plugin_manager::Deferred_layout_list): New type.
9625         (Plugin_manager::deferred_layout_objects_): New field.
9626         (Plugin_hook::do_plugin_hook): Remove.
9628 2008-12-17  Ian Lance Taylor  <iant@google.com>
9630         * options.h (class General_options): Add --no case for
9631         --export-dynamic.
9633 2008-12-16  Cary Coutant  <ccoutant@google.com>
9635         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9636         vector.
9637         (Plugin_manager::claim_file): Create plugin object even if
9638         plugin did not call the add_symbols callback.
9639         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9640         asking for more symbols than were added.
9641         * testsuite/Makefile.am (plugin_test_1): Add test case with
9642         no global symbols.
9643         (empty.syms): New target.
9644         * testsuite/Makefile.in: Regenerate.
9645         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9646         message. Don't call add_symbols if no globals.
9647         (all_symbols_read_hook): Don't provide replacement for empty
9648         claimed file.
9650 2008-12-12  Ian Lance Taylor  <iant@google.com>
9652         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9653         r_type == 0 for a local symbol with r_sym == 0.
9654         (scan_relocatable_relocs): Pass r_sym to
9655         local_non_section_strategy.
9656         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9657         r_sym parameter.
9659         * configure.ac: Update test for TLS descriptors: they are
9660         supported as of glibc 2.9.
9661         * configure: Rebuild.
9663 2008-12-11  Ian Lance Taylor  <iant@google.com>
9665         PR 7091
9666         * target-reloc.h (Default_scan_relocatable_relocs): For each
9667         function, map r_type == 0 to RELOC_DISCARD.
9669 2008-12-10  Cary Coutant  <ccoutant@google.com>
9671         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9672         object to override a kept COMDAT group from a plugin object.
9674 2008-12-09  Ian Lance Taylor  <iant@google.com>
9676         PR 7088
9677         * yyscript.y (file_cmd): Handle INPUT.
9679         * testsuite/initpri1.c: Change all declarations to be full
9680         prototypes by adding void, to avoid compiler warnings.
9682 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9684         * options.cc (General_options::parse_plugin_opt): New.
9685         (General_options::add_plugin): The argument now is just the filename.
9686         (General_options::add_plugin_option): New.
9687         * options.h (plugin_opt): New.
9688         (add_plugin): Change argument name.
9689         (add_plugin_option): New.
9690         * plugin.cc (Plugin::load): Don't parse the plugin option.
9691         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9692         (Plugin::add_option): New.
9693         (Plugin::args_): Change type.
9694         (Plugin::filename_): New.
9695         (Plugin_manager::add_plugin_option): New.
9696         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9697         * testsuite/Makefile.in: Regenerate.
9699 2008-12-05  Cary Coutant  <ccoutant@google.com>
9701         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9702         Handle --strip-lto-sections option.
9703         * options.h (strip_lto_sections): New option.
9705 2008-12-01  Cary Coutant  <ccoutant@google.com>
9707         * plugin.cc (ld_plugin_message): Change format parameter to const.
9708         Fix mismatch between new[] and delete.
9710 2008-11-14  Cary Coutant  <ccoutant@google.com>
9712         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9713         instead of -1U.
9715 2008-11-05  Craig Silverstein  <csilvers@google.com>
9717         * options.cc (General_options::parse_dynamic_list): New function.
9718         * options.h (General_options): New flags dynamic_list,
9719         dynamic_list_data, dynamic_list_cpp_new, and
9720         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9721         (General_options::in_dynamic_list): New function.
9722         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9723         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9724         (Lex::can_continue_name): Likewise.
9725         (yylex): Likewise.
9726         (read_script_file): New parameter script_options.
9727         (read_dynamic_list): New function.
9728         (Script_options::define_dynamic_list): New function.
9729         (dynamic_list_keyword_parsecodes): New variable.
9730         (dynamic_list_keywords): New variable.
9731         * script.h (Script_options::define_dynamic_list): New function
9732         prototype.
9733         (read_dynamic_list): New function prototype.
9734         * symtab.cc (strprefix): New macro.
9735         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9736         dynamic_list_data, dynamic_list_cpp_new, and
9737         dynamic_list_cpp_typeinfo.
9738         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9739         (dynamic_list_expr): New rule.
9740         (dynamic_list_nodes): Likewise.
9741         (dynamic_list_node): Likewise.
9742         * testsuite/Makefile.am (dynamic_list): New test.
9743         * testsuite/Makefile.in: Regenerated.
9744         * testsuite/dynamic_list.t: New file.
9745         * testsuite/dynamic_list.sh: New file.
9747 2008-11-05  Craig Silverstein  <csilvers@google.com>
9749         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9750         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9751         (t11_last): Likewise.
9752         * testsuite/ver_test_6.c (main): Likewise.
9754 2008-10-07  Cary Coutant  <ccoutant@google.com>
9756         * options.c (General_options::finalize): Add check for -static and
9757         -shared.
9758         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9759         is not empty.
9761 2008-10-02  Cary Coutant  <ccoutant@google.com>
9763         * plugin.cc (make_sized_plugin_object): Fix conditional
9764         compilation to work when not all targets are enabled.
9766 2008-09-29  Cary Coutant  <ccoutant@google.com>
9768         * archive.cc (Archive::get_file_and_offset): Use filename instead
9769         of name to get library path.
9770         (Archive::include_member): Unlock external member of a thin archive.
9772         * testsuite/Makefile.am (TEST_AR): New variable.
9773         (thin_archive_test_1): New test.
9774         (thin_archive_test_2): New test.
9775         * testsuite/Makefile.in: Regenerate.
9776         * testsuite/thin_archive_main.cc: New file.
9777         * testsuite/thin_archive_test_1.cc: New file.
9778         * testsuite/thin_archive_test_2.cc: New file.
9779         * testsuite/thin_archive_test_3.cc: New file.
9780         * testsuite/thin_archive_test_4.cc: New file.
9782 2008-09-29  Cary Coutant  <ccoutant@google.com>
9784         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9785         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9786         instead of -1U.
9787         (Sized_relobj::do_finalize_local_symbols): Likewise.
9788         (Sized_relobj::map_to_kept_section): Likewise.
9789         * object.h (Sized_relobj::invalid_address): New constant.
9790         (Sized_relobj::do_output_section_offset): Check for invalid_address
9791         and return -1ULL.
9792         * output.cc (Output_reloc::local_section_offset): Use constant
9793         invalid_address instead of -1U.
9794         (Output_reloc::get_address): Likewise.
9795         (Output_section::output_address): Change -1U to -1ULL.
9796         * output.h (Output_reloc::invalid_address): New constant.
9797         * reloc.cc (Sized_relobj::write_sections): Use constant
9798         invalid_address instead of -1U.
9799         (Sized_relobj::relocate_sections): Likewise.
9800         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9801         values for merge sections.
9802         * target-reloc.h (relocate_for_relocatable): Use constant
9803         invalid_address instead of -1U.
9805 2008-09-19  Cary Coutant  <ccoutant@google.com>
9807         Add plugin functionality for link-time optimization (LTO).
9808         * configure.ac (plugins): Add --enable-plugins option.
9809         * configure: Regenerate.
9810         * config.in: Regenerate.
9811         * Makefile.am (LIBDL): New variable.
9812         (CCFILES): Add plugin.cc.
9813         (HFILES): Add plugin.h.
9814         (ldadd_var): Add LIBDL.
9815         * Makefile.in: Regenerate.
9817         * archive.cc: Include "plugin.h".
9818         (Archive::setup): Don't preread archive symbols when using a plugin.
9819         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9820         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9821         files.
9822         (Archive::include_member): Add symbols from plugin objects.
9823         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9824         * descriptors.cc (Descriptors::open): Check for file descriptors
9825         abandoned by plugins.
9826         (Descriptors::claim_for_plugin): New function.
9827         * descriptors.h (Descriptors::claim_for_plugin): New function.
9828         (Open_descriptor::is_claimed): New field.
9829         (claim_descriptor_for_plugin): New function.
9830         * fileread.cc (File_read::claim_for_plugin): New function.
9831         * fileread.h (File_read::claim_for_plugin): New function.
9832         (File_read::descriptor): New function.
9833         * gold.cc: Include "plugin.h".
9834         (queue_initial_tasks): Add task to call plugin hooks for generating
9835         new object files.
9836         * main.cc: Include "plugin.h".
9837         (main): Load plugin libraries.
9838         * object.h (Pluginobj): Declare.
9839         (Object::pluginobj): New function.
9840         (Object::do_pluginobj): New function.
9841         (Object::set_target): New function.
9842         * options.cc: Include "plugin.h".
9843         (General_options::parse_plugin): New function.
9844         (General_options::General_options): Initialize plugins_ field.
9845         (General_options::add_plugin): New function.
9846         * options.h (Plugin_manager): Declare.
9847         (General_options): Add --plugin option.
9848         (General_options::has_plugins): New function.
9849         (General_options::plugins): New function.
9850         (General_options::add_plugin): New function.
9851         (General_options::plugins_): New field.
9852         * plugin.cc: New file.
9853         * plugin.h: New file.
9854         * readsyms.cc: Include "plugin.h".
9855         (Read_symbols::do_read_symbols): Check for archive before checking
9856         for ELF file.  Call plugin hooks to claim files.
9857         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9858         from a real object file; force override when processing replacement
9859         files.
9860         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9861         (Symbol::init_base_object): Likewise.
9862         (Symbol::init_base_output_data): Likewise.
9863         (Symbol::init_base_output_segment): Likewise.
9864         (Symbol::init_base_constant): Likewise.
9865         (Symbol::init_base_undefined): Likewise.
9866         (Symbol::output_section): Assert that object is not a plugin.
9867         (Symbol_table::add_from_pluginobj): New function.
9868         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9869         undefined.
9870         (Symbol_table::sized_write_globals): Likewise.
9871         (Symbol_table::add_from_pluginobj): Instantiate template.
9872         * symtab.h (Sized_pluginobj): Declare.
9873         (Symbol::in_real_elf): New function.
9874         (Symbol::set_in_real_elf): New function.
9875         (Symbol::in_real_elf_): New field.
9876         (Symbol_table::add_from_pluginobj): New function.
9878         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9879         (LIBDL): New variable.
9880         (LDADD): Add LIBDL.
9881         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9882         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9883         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9884         (MOSTLYCLEANFILES): Likewise.
9885         * testsuite/Makefile.in: Regenerate.
9886         * testsuite/plugin_test.c: New file.
9887         * testsuite/plugin_test_1.sh: New file.
9888         * testsuite/plugin_test_2.sh: New file.
9890 2008-09-16  Ian Lance Taylor  <iant@google.com>
9892         * target-reloc.h (relocate_section): Check whether a symbol is
9893         defined by the ABI before reporting an undefined symbol error.
9894         * target.h (Target::is_defined_by_abi): Make parameter const.
9895         (Target::do_is_defined_by_abi): Likewise.
9896         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9897         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9898         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9899         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9900         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9901         * testsuite/Makefile.in: Rebuild.
9903         * fileread.cc (make_view): Add casts to avoid warning.
9905 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9907         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9908         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9910 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9912         * options.h (General_options::output_is_executable): New.
9913         (General_options::output_is_pie): New.
9914         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9915         for shared libraries.
9916         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9918 2008-09-11  Chris Demetriou  <cgd@google.com>
9920         * options.h (origin): New -z option.
9921         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9922         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9923         in DT_FLAGS_1.
9925 2008-09-05  Cary Coutant  <ccoutant@google.com>
9927         * fileread.cc (File_read::make_view): Add check for attempt to map
9928         beyond end of file.
9930 2008-09-05  Cary Coutant  <ccoutant@google.com>
9932         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9933         explicit instantiations.
9935 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9937         PR gold/6858
9938         * options.cc (General_options::finalize): Allow undefined symbols
9939         in shlibs if linking -shared.
9941         PR gold/6859
9942         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9943         symbols as not needing a dynsym entry.
9945 2008-08-20  Craig Silverstein  <csilvers@google.com>
9947         * fileread.cc (File_read::open): Do not lock the file unless it
9948         was successfully opened.
9950 2008-08-14  Cary Coutant  <ccoutant@google.com>
9952         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9953         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9954         * testsuite/tls_test.cc (struct int128): 128-bit struct
9955         for testing TLS relocs with non-zero addend.
9956         (v12): New TLS variable.
9957         (t12): New test.
9958         (t_last): Add check for v12.
9959         * testsuite/tls_test.h (t12): New function.
9960         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9962 2008-08-13  Ian Lance Taylor  <iant@google.com>
9964         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9965         set tls_segment_ or relro_segment_.
9966         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9967         when appropriate.
9968         * output.h (Output_section::clear_is_relro): New function.
9969         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9970         sections specially even when output_data_ is empty.
9971         (Output_segment::maximum_alignment): When first section is relro,
9972         only force alignment for PT_LOAD segments.
9973         * script.cc (script_data_segment_align): New function.
9974         (script_data_segment_relro_end): New function.
9975         * script-c.h (script_data_segment_align): Declare.
9976         (script_data_segment_relro_end): Declare.
9977         * script-sections.h (class Script_sections): Declare
9978         data_segment_align and data_segment_relro_end.  Add fields
9979         segment_align_index_ and saw_relro_end_.
9980         * script-sections.cc (class Sections_element): Add set_is_relro
9981         virtual function.  Add new bool* parameter to place_orphan_here.
9982         Add get_output_section virtual function.
9983         (class Output_section_definition): Add set_is_relro.  Add new
9984         bool* parameter to place_orphan_here.  Add get_output_section.
9985         Add is_relro_ field.
9986         (Output_section_definition::Output_section_definition): Initialize
9987         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9988         and is_relro_ fields.
9989         (Output_section_definition::place_orphan_here): Add is_relro
9990         parameter.
9991         (Output_section_definition::set_section_addresses): Set relro for
9992         output section.
9993         (Output_section_definition::alternate_constraint): Likewise.
9994         (class Orphan_output_section): Add new bool* parameter to
9995         place_orphan_here.  Add get_output_section.
9996         (Orphan_output_section::place_orphan_here): Add is_relro
9997         parameter.
9998         (Script_sections::Script_sections): Initialize
9999         data_segment_align_index_ and saw_relro_end_.
10000         (Script_sections::data_segment_align): New function.
10001         (Script_sections::data_segment_relro_end): New function.
10002         (Script_sections::place_orphan): Set or clear is_relro.
10003         (Script_sections::set_section_addresses): Force alignment of first
10004         TLS section.
10005         * yyscript.y (exp): Call script_data_segment_align and
10006         script_data_segment_relro_end.
10007         * testsuite/relro_script_test.t: New file.
10008         * testsuite/relro_test.cc (using_script): Declare.
10009         (t1, t2): Test using_script.
10010         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10011         (relro_script_test_SOURCES): Define.
10012         (relro_script_test_DEPENDENCIES): Define.
10013         (relro_script_test_LDFLAGS): Define.
10014         (relro_script_test_LDADD): Define.
10015         (relro_script_test.so): New target.
10016         * testsuite/Makefile.in: Rebuild.
10018 2008-08-06  Cary Coutant <ccoutant@google.com>
10020         * archive.cc (Archive::total_archives, Archive::total_members)
10021         (Archive::total_members_loaded): New variables.
10022         (Archive::setup): Add parameter.  Add option to preread
10023         archive symbols.
10024         (Archive::read_armap): Add counter.
10025         (Archive::get_file_and_offset): New function.
10026         (Archive::get_elf_object_for_member): New function.
10027         (Archive::read_all_symbols): New function.
10028         (Archive::read_symbols): New function.
10029         (Archive::add_symbols): Add counters.
10030         (Archive::include_all_members): Use armap to find members if it's
10031         already built.
10032         (Archive::include_member): Skip reading symbols if already read.
10033         Factored code into Archive::get_file_and_offset and
10034         Archive::get_elf_object_for_member.  Changed call to
10035         Mapfile::report_include_archive_member.
10036         (Archive::print_stats): New function.
10037         * archive.h: Declare Object and Read_symbols_data classes.
10038         (Archive::Archive): Add initializers for new members.
10039         (Archive::setup): Add parameter.
10040         (Archive::print_stats): New function.
10041         (Archive::total_archives, Archive::total_members)
10042         (Archive::total_members_loaded): New variables.
10043         (Archive::get_file_and_offset): New function.
10044         (Archive::get_elf_object_for_member): New function.
10045         (Archive::read_all_symbols): New function.
10046         (Archive::read_symbols): New function.
10047         (Archive::Archive_member): New class.
10048         (Archive::members_): New member.
10049         (Archive::num_members_): New member.
10050         * main.cc: Include archive.h.
10051         (main): Call Archive::print_stats.
10052         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10053         archive parameter; member_name is now the fully-decorated name.
10054         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10055         * options.h: (General_options): Add --preread-archive-symbols option.
10056         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10057         Archive::setup.
10059 2008-08-04  Ian Lance Taylor  <iant@google.com>
10061         * symtab.h (Symbol::use_plt_offset): New function.
10062         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10063         * powerpc.cc (Relocate::relocate): Likewise.
10064         * sparc.cc (Relocate::relocate): Likewise.
10065         * x86_64.cc (Relocate::relocate): Likewise.
10066         * testsuite/weak_plt.sh: New test.
10067         * testsuite/weak_plt_main.cc: New test.
10068         * testsuite/weak_plt_shared.cc: New test.
10069         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10070         (check_PROGRAMS): Add weak_plt.
10071         (check_DATA): Add weak_plt_shared.so.
10072         (weak_plt_main_pic.o, weak_plt): New targets.
10073         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10074         * testsuite/Makefile.in: Rebuild.
10076         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10077         gcctestdir/ld.
10078         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10079         * testsuite/Makefile.in: Rebuild.
10081 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10083         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10084         * Makefile.in: Regenerate.
10085         * po/POTFILES.in: Regenerate.
10087 2008-07-29  Ian Lance Taylor  <iant@google.com>
10089         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10090         symbols before other symbols.
10091         * testsuite/script_test_2.cc (test_addr): Declare.
10092         (test_addr_alias): Declare.
10093         (main): Check that test_addr and test_addr_alias have the right
10094         values.
10095         * testsuite/script_test_2.t: Define test_addr_alias and
10096         test_addr.
10098 2008-07-24  Ian Lance Taylor  <iant@google.com>
10100         PR 5990
10101         * descriptors.cc: New file.
10102         * descriptors.h: New file.
10103         * gold-threads.h (class Hold_optional_lock): New class.
10104         * fileread.cc: Include "descriptors.h".
10105         (File_read::~File_read): Release descriptor rather than closing
10106         it.
10107         (File_read::open) [file]: Call open_descriptor rather than open.
10108         Set is_descriptor_opened_.
10109         (File_read::open) [memory]: Assert that descriptor is not open.
10110         (File_read::reopen_descriptor): New function.
10111         (File_read::release): Release descriptor.
10112         (File_read::do_read): Make non-const.  Reopen descriptor.
10113         (File_read::read): Make non-const.
10114         (File_read::make_view): Reopen descriptor.
10115         (File_read::do_readv): Likewise.
10116         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10117         Update declarations.
10118         * layout.cc: Include "descriptors.h".
10119         (Layout::create_build_id): Use open_descriptor rather than open.
10120         * output.cc: Include "descriptors.h".
10121         (Output_file::open): Use open_descriptor rather than open.
10122         * archive.cc (Archive::const_iterator): Change Archive to be
10123         non-const.
10124         (Archive::begin, Archive::end): Make non-const.
10125         (Archive::count_members): Likewise.
10126         * archive.h (class Archive): Update declarations.
10127         * object.h (Object::read): Make non-const.
10128         * Makefile.am (CCFILES): Add descriptors.cc.
10129         (HFILES): Add descriptors.h.
10130         * Makefile.in: Rebuild.
10132         PR 6716
10133         * gold.h: Always include <clocale>.  Add Solaris workarounds
10134         following code in binutils/sysdep.h.
10136         PR 6048
10137         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10138         this->eh_frame_hdr_ is NULL before using it.
10140         * dynobj.cc (Versions::Versions): Update comment.
10142         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10143         the base version name.
10145         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10146         array size plus one.
10147         (Stringpool_template::set_string_offsets): Subtract one from key
10148         before using it as an array index.
10149         (Stringpool_template::get_offset_with_length): Likewise.
10150         (Stringpool_template::write_to_buffer): Likewise.
10151         * stringpool.h (Stringpool_template::get_offset_from_key):
10152         Likewise.
10154 2008-07-23  Ian Lance Taylor  <iant@google.com>
10156         PR 6658
10157         * object.h (Merged_symbol_value::value): Do our best to handle a
10158         negative addend.
10160         PR 6647
10161         * script.cc (Version_script_info::get_versions): Don't add empty
10162         version tag to return value.
10163         (Version_script_info::get_symbol_version_helper): Change return
10164         type to bool.  Add pversion parameter.  Change all callers.
10165         (script_register_vers_node): Don't require a non-NULL tag.
10166         * script.h (class Version_script_info): Update declarations.
10167         (Version_script_info::get_symbol_version): Change return type to
10168         bool.  Add version parameter.  Change all callers.
10169         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10170         handling.  Handle an empty version from a version script.
10171         (Symbol_table::define_special_symbol): Likewise.
10172         * testsuite/ver_test_10.script: New file.
10173         * testsuite/ver_test_10.sh: New file.
10174         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10175         (check_DATA): Add ver_test_10.syms.
10176         (ver_test_10.syms, ver_test_10.so): New target.
10177         * testsuite/Makefile.in: Rebuild.
10179 2008-07-23  Simon Baldwin  <simonb@google.com>
10181         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10182         to zero for undefined symbols from dynamic libraries.
10184 2008-07-23  Ian Lance Taylor  <iant@google.com>
10186         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10187         Change all callers.
10188         * symtab.h (class Symbol_table): Update declaration.
10189         * testsuite/ver_test_9.cc: New file.
10190         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10191         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10192         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10193         (ver_test_9.so, ver_test_9.o): New targets.
10194         * testsuite/Makefile.in: Rebuild.
10196 2008-07-22  Ian Lance Taylor  <iant@google.com>
10198         * options.h (class General_options): Define --check-sections.
10199         * layout.cc (Layout::set_segment_offsets): Handle
10200         --check-sections.
10202         * options.h (class General_options): Define -n/--nmagic and
10203         -N/--omagic.
10204         * options.cc (General_options::finalize): For -n/--nmagic or
10205         -N/--omagic, set -static.
10206         * layout.cc (Layout::attach_allocated_section_to_segment): If
10207         -N/--omagic, don't put read-only and read-write sections in
10208         different segments.
10209         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10210         finding a read-only segment.
10211         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10212         don't set the minimum segment alignment to the common page size,
10213         and don't set the file offset to the address modulo the page size.
10214         * script-sections.cc (Script_sections::create_segments): If
10215         -n/--omagic, don't put read-only and read-write sections in
10216         different segments.
10218         * cref.cc: New file.
10219         * cref.h: New file.
10220         * options.h (class General_options): Add --print-symbol-counts.
10221         * main.cc (main): Issue defined symbol report if requested.
10222         * archive.cc (Archive::interpret_header): Make into a const member
10223         function.
10224         (Archive::add_symbols): Call Input_objects::archive_start and
10225         archive_stop.
10226         (Archive::const_iterator): Define new class.
10227         (Archive::begin, Archive::end): New functions.
10228         (Archive::include_all_members): Rewrite to use iterator.
10229         (Archive::count_members): New function.
10230         * archive.h (class Archive): Update declarations.
10231         (Archive::filename): New function.
10232         * object.cc: Include "cref.h".
10233         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10234         (Sized_relobj::do_get_global_symbol_counts): New function.
10235         (Input_objects::add_object): Add object to cross-referencer.
10236         (Input_objects::archive_start): New function.
10237         (Input_objects::archive_stop): New function.
10238         (Input_objects::print_symbol_counts): New function.
10239         * object.h: Declare Cref and Archive.
10240         (Object::get_global_symbol_counts): New function.
10241         (Object::do_get_global_symbol_counts): New pure virtual function.
10242         (class Sized_relobj): Add defined_count_ field.  Update
10243         declarations.
10244         (class Input_objects): Add cref_ field.  Update constructor.
10245         Update declarations.
10246         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10247         defined_count_.
10248         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10249         symbol counts.
10250         (Sized_dynobj::do_get_global_symbol_counts): New function.
10251         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10252         defined_count_.  Update declarations.  Define Symbols typedef.
10253         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10254         parameter.  Change all callers.
10255         (Symbol_table::add_from_dynobj): Add sympointers and defined
10256         parameters.  Change all callers.
10257         * symtab.h (class Symbol_table): Update declarations.
10258         * Makefile.am (CCFILES): Add cref.cc.
10259         (HFILES): Add cref.h.
10260         * Makefile.in: Rebuild.
10262 2008-07-22  Simon Baldwin  <simonb@google.com>
10264         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10265         to zero when writing undefined symbols.
10267 2008-07-22  Ian Lance Taylor  <iant@google.com>
10269         * output.cc (Output_section::add_input_section): Don't try to
10270         merge empty merge sections.
10272 2008-07-21  Craig Silverstein  <csilvers@google.com>
10274         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10275         Include symbol version in error message.
10277 2008-07-20  Chris Demetriou  <cgd@google.com>
10279         * configure.ac (gold_cv_c_random_seed): New configured variable.
10280         (RANDOM_SEED_CFLAGS): New substituted variable.
10281         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10282         * configure: Rebuild.
10283         * Makefile.in: Likewise.
10284         * testsuite/Makefile.in: Likewise.
10286 2008-07-18  Ian Lance Taylor  <iant@google.com>
10288         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10289         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10290         * testsuite/ver_test_main.cc (main): Call t4.
10291         (t4, t4_2a): Define.
10292         * testsuite/ver_test_2.cc (t4_2): Define.
10293         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10294         * testsuite/ver_test_4.cc (t4_2a): Define.
10295         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10296         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10298 2008-07-17  Ian Lance Taylor  <iant@google.com>
10300         * dynobj.cc (Versions::add_def): If we give an error about a
10301         missing version, go ahead and create the version anyhow.
10303 2008-07-10  Ian Lance Taylor  <iant@google.com>
10305         Handle output sections with more than 0x7fffffff bytes.
10306         * object.h (class Relobj): Change map_to_output_ to
10307         output_sections_, and just keep a section pointer.  Change all
10308         uses.  Move comdat group support to Sized_relobj.
10309         (Relobj::is_section_specially_mapped): Remove.
10310         (Relobj::output_section): Remove poff parameter.  Change all
10311         callers.
10312         (Relobj::output_section_offset): New function.
10313         (Relobj::set_section_offset): Rewrite.
10314         (Relobj::map_to_output): Remove.
10315         (Relobj::output_sections): New function.
10316         (Relobj::do_output_section_offset): New pure virtual function.
10317         (Relobj::do_set_section_offset): Likewise.
10318         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10319         group support from Relobj.  Update declarations.
10320         (Sized_relobj::get_output_section_offset): New function.
10321         (Sized_relobj::do_output_section_offset): New function.
10322         (Sized_relobj::do_set_section_offset): New function.
10323         * object.cc (Relobj::output_section_address): Remove.
10324         (Sized_relobj::Sized_relobj): Initialize new fields.
10325         (Sized_relobj::include_section_group): Cast find_kept_object to
10326         Sized_relobj.
10327         (Sized_relobj::include_linkonce_section): Likewise.
10328         (Sized_relobj::do_layout): Use separate arrays for output section
10329         and output offset.
10330         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10331         output_sections.
10332         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10333         output_sections and section_offsets.
10334         (Sized_relobj::write_local_symbols): Likewise.
10335         (map_to_kept_section): Compute output address directly.
10336         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10337         output_sections and section_offsets.
10338         (Sized_relobj::write_sections): Likewise.
10339         (Sized_relobj::relocate_sections): Likewise.
10340         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10341         * output.h (class Output_reloc): Update declarations.  Change
10342         u2_.relobj to Sized_relobj*.
10343         (class Output_data_reloc): Change add functions to use
10344         Sized_relobj*.
10345         * output.cc (Output_reloc::Output_reloc): Change relobj to
10346         Sized_relobj*.
10347         (Output_reloc::local_section_offset): Change return type to
10348         Elf_Addr.  Use get_output_section_offset.
10349         (Output_reloc::get_address): Likewise.
10350         (Output_section::is_input_address_mapped): Don't call
10351         is_section_specially_mapped.
10352         (Output_section::output_offset): Likewise.
10353         (Output_section::output_address): Likewise.
10354         (Output_section::starting_output_address): Likewise.
10355         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10356         parameter to Sized_relobj*.
10357         (Copy_relocs::need_copy_reloc): Likewise.
10358         (Copy_relocs::save): Likewise.
10359         * copy-relocs.h (class Copy_relocs): Update declarations.
10360         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10361         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10362         * target-reloc.h (relocate_for_relocatable): Change
10363         offset_in_output_section type to Elf_Addr.  Change code that uses
10364         it as well.
10365         * layout.cc (Layout::layout): Always set *off.
10366         * mapfile.cc (Mapfile::print_input_section): Use
10367         output_section_offset.
10368         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10369         Sized_relobj*.
10370         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10371         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10372         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10374 2008-07-03  Ian Lance Taylor  <iant@google.com>
10376         * layout.cc (Layout::include_section): Do not discard unrecognized
10377         SHT_STRTAB sections.
10379 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10381         * script.cc (Lex::can_continue_name): Make '?' allowable in
10382         version-script names.
10383         * testsuite/version_script.map: Change glob pattern to use '?'
10385 2008-06-30  Manish Singh  <yosh@gimp.org>
10387         PR 6585
10388         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10389         Correct typo.
10391 2008-06-30  Ian Lance Taylor  <iant@google.com>
10393         PR 6660
10394         PR 6682
10395         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10396         versions]: Don't try to read the value in the contents, since we
10397         don't use it.  Use the template endianness when writing.
10399 2008-06-25  Cary Coutant  <ccoutant@google.com>
10401         * fileread.cc (File_read::make_view): Assert on zero-length view.
10402         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10403         symbol table when there are no symbols to read.
10405 2008-06-23  Craig Silverstein  <csilvers@google.com>
10407         * version.cc (version_string): Bump to 1.7
10409 2008-06-18  Craig Silverstein  <csilvers@google.com>
10411         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10412         constant 0xFFFF to type Valtype.
10413         (Powerpc_relocate_functions::rel16_ha): Likewise.
10415 2008-06-17  Ian Lance Taylor  <iant@google.com>
10417         * output.h (Output_section::Input_section): Initialize p2align_ to
10418         zero for Output_section_data constructors.
10419         (Output_section::Input_section::addralign): If not an input
10420         section, return the alignment of the Output_section_data.
10421         * testsuite/copy_test.cc: New file.
10422         * testsuite/copy_test_1.cc: New file.
10423         * testsuite/copy_test_2.cc: New file.
10424         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10425         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10426         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10427         (copy_test_1_pic.o, copy_test_1.so): New targets.
10428         (copy_test_2_pic.o, copy_test_2.so): New targets.
10429         * testsuite/Makefile.in: Rebuild.
10431         * script-sections.cc (Script_sections::place_orphan): Initialize
10432         local variable exact.
10434 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10436         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10438 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10439             David S. Miller  <davem@davemloft.net>
10441         * powerpc.cc: New file.
10442         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10443         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10444         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10445         * Makefile.in: Rebuild.
10447 2008-06-09  Ian Lance Taylor  <iant@google.com>
10449         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10450         <exception>.
10451         (throwing, orig_terminate): New static variables.
10452         (terminate_handler): New static function.
10453         (t2): Set terminate handler.
10455 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10457         PR 6584
10458         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10459         alignment.
10461 2008-05-30  Cary Coutant  <ccoutant@google.com>
10463         * archive.cc (Archive::include_all_members) Correct to step
10464         over symbol table and extended name table in thin archives.
10466 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10468         PR 6407
10469         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10470         calculation.
10472 2008-05-28  Caleb Howe  <cshowe@google.com>
10474         * reduced_debug_output.cc: New file.
10475         * reduced_debug_output.h: New file.
10476         * options.h (class General_options): Add --strip-debug-non-line.
10477         * options.cc (General_options::finalize): Add strip_debug_non_line
10478         to the strip heirarchy.
10479         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10480         fields.
10481         * layout.cc: Include "reduced_debug_output.h".
10482         (Layout::Layout): Initialize new fields.
10483         (line_only_debug_sections): New static array.
10484         (is_lines_only_debug_sections): New static inline function.
10485         (Layout::include_section): Handle --strip-debug-non-line.
10486         (Layout::make_output_section): If --strip-debug-non-line, build
10487         new output sections for .debug_abbrev and .debug_info.
10488         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10489         gold.  Warn about possible overflow.
10490         (read_signed_LEB_128): Likewise.
10491         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10492         (read_signed_LEB_128): Declare.
10493         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10494         (HFILES): Add reduced_debug_output.h.
10495         * Makefile.in: Rebuild.
10497 2008-05-21  Ian Lance Taylor  <iant@google.com>
10499         * mapfile.cc: New file.
10500         * mapfile.h: New file.
10501         * options.h (class General_options): Add -M/--print-map and -Map.
10502         * options.cc (General_options::finalize): Make -M equivalent to
10503         -Map -.
10504         * main.cc: Include <cstdio> and "mapfile.h".
10505         (main): Open mapfile if requested.
10506         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10507         constructor.  Change caller.
10508         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10509         (queue_middle_tasks): Likewise.
10510         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10511         declarations.
10512         * archive.cc: Include "mapfile.h".
10513         (Archive::add_symbols): Add mapfile parameter.  Change all
10514         callers.  Pass mapfile, symbol, and reason to include_member.
10515         (Archive::include_all_members): Add mapfile parameter.  Change all
10516         callers.
10517         (Archive::include_member): Add mapfile, sym, and why parameters.
10518         Change all callers.  Report inclusion to map file.
10519         * archive.h: Include "fileread.h".
10520         (class Archive): Update declarations.
10521         (Archive::file): New const method.
10522         (class Add_archive_symbols): Add mapfile_ field.  Update
10523         constructor.  Change all callers.
10524         * readsyms.h (class Read_symbols): Likewise.
10525         (class Finish_group): Likewise.
10526         (class Read_script): Likewise.
10527         * common.cc: Include "mapfile.h".
10528         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10529         all callers.
10530         (Symbol_table::do_allocate_commons): Likewise.
10531         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10532         symbol allocation to mapfile.
10533         * common.h (class Allocate_commons_task): Add mapfile_ field.
10534         Update constructor.  Change all callers.
10535         * symtab.h (class Symbol_table): Update declarations.
10536         * layout.cc: Include "mapfile.h".
10537         (Layout_task_runner::run): Print information to mapfile.
10538         (Layout::create_gold_note): Change Output_data_fixed_space to
10539         Output_data_zero_fill.
10540         (Layout::create_build_id): Likewise.
10541         (Layout::print_to_mapfile): New function.
10542         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10543         constructor.  Change caller.
10544         (class Layout): Declare print_to_mapfile.
10545         * output.cc (Output_section::Input_section::print_to_mapfile): New
10546         function.
10547         (Output_section::add_input_section): If producing a map, always
10548         add to input_sections_ list.
10549         (Output_section::do_print_to_mapfile): New function.
10550         (Output_segment::print_sections_to_mapfile): New function.
10551         (Output_segment::print_section_list_to_mapfile): New function.
10552         * output.h: Include "mapfile.h".
10553         (Output_data::print_to_mapfile): New function.
10554         (Output_data::do_print_to_mapfile): New virtual function.
10555         (Output_segment_headers::do_print_to_mapfile): New function.
10556         (Output_file_header::do_print_to_mapfile): New function.
10557         (Output_data_const::do_print_to_mapfile): New function.
10558         (class Output_data_const_buffer): Add map_name_ field.  Update
10559         constructor.  Change all callers.  Add do_print_to_mapfile
10560         function.
10561         (class Output_data_fixed_space): Likewise.
10562         (class Output_data_space): Likewise.
10563         (class Output_data_zero_fill): New class.
10564         (Output_data_strtab::do_print_to_mapfile): New function.
10565         (Output_data_reloc_base::do_print_to_mapfile): New function.
10566         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10567         (Output_data_group::do_print_to_mapfile): New function.
10568         (Output_data_got::do_print_to_mapfile): New function.
10569         (Output_data_dynamic::do_print_to_mapfile): New function.
10570         (Output_symtab_xindex::do_print_to_mapfile): New function.
10571         (class Output_section): Declare do_print_to_mapflie.  Declare
10572         print_to_mapfile in Input_section.
10573         (class Output_segment): Declare new functions.
10574         * object.h (Sized_relobj::symbol_count): New function.
10575         * script-sections.cc
10576         (Output_section_element_dot_assignment::set_section_addresses):
10577         Change Output_data_fixed_space to Output_data_zero_fill.
10578         (Output_data_expression::do_print_to_mapfile): New function.
10579         * script.cc (read_input_script): Add mapfile parameter.  Change
10580         all callers.
10581         * script.h (read_input_script): Update declaration.
10582         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10583         (Eh_frame::do_print_to_mapfile): New function.
10584         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10585         (Output_merge_string::do_print_to_mapfile): New function.
10586         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10587         function.
10588         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10589         function.
10590         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10591         function.
10592         * Makefile.am (CCFILES): Add mapfile.cc.
10593         (HFILES): Add mapfile.h.
10594         * Makefile.in: Rebuild.
10596 2008-05-19  Ian Lance Taylor  <iant@google.com>
10598         * options.h (class General_options): Add -z relro.
10599         * layout.cc (Layout::Layout): Initialize relro_segment_.
10600         (Layout::add_output_section_data): Return the output section.
10601         (Layout::make_output_section): Rcognize relro sections and mark
10602         them appropriately.
10603         (Layout::attach_allocated_section_to_segment): Put relro sections
10604         in a PT_GNU_RELRO segment.
10605         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10606         section as relro.
10607         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10608         PT_TLS segments.
10609         (Layout::linkonce_mapping): Map d.rel.ro.local to
10610         .data.rel.ro.local.
10611         (Layout::output_section_name): Us .data.rel.ro.local for any
10612         section which begins with that.
10613         * layout.h (class Layout): Update add_output_section_data
10614         declaration.  Add relro_segment_ field.
10615         * output.cc (Output_section::Output_section): Initialize is_relro_
10616         and is_relro_local_ fields.
10617         (Output_segment::add_output_section): Group relro sections.
10618         (Output_segment::is_first_section_relro): New function.
10619         (Output_segment::maximum_alignment): If there is a relro section,
10620         align the segment to the common page size.
10621         (Output_segment::set_section_addresses): Track whether we are
10622         looking at relro sections.  If the last section is a relro
10623         section, align to the common page size.
10624         (Output_segment::set_section_list_addresses): Add in_relro
10625         parameter.  Change all callers.  Align to the page size when
10626         moving from relro to non-relro section.
10627         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10628         segment.
10629         * output.h (class Output_section): Add is_relro_ and
10630         is_relro_local_ fields.
10631         (Output_section::is_relro): New function.
10632         (Output_section::set_is_relro): New function.
10633         (Output_section::is_relro_local): New function.
10634         (Output_section::set_is_relro_local): New function.
10635         (class Output_segment): Update declarations.
10636         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10637         * sparc.cc (Target_sparc::got_section): Likewise.
10638         * x86_64.cc (Target_x86_64::got_section): Likewise.
10639         * testsuite/relro_test_main.cc: New file.
10640         * testsuite/relro_test.cc: New file.
10641         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10642         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10643         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10644         (relro_test.so, relro_test_pic.o): New targets.
10645         * testsuite/Makefile.in: Rebuild.
10647 2008-05-16  Ian Lance Taylor  <iant@google.com>
10649         * output.cc (Output_segment::add_output_section): Remove front
10650         parameter.
10651         * output.h (class Output_segment): Remove
10652         add_initial_output_section and overloaded add_output_section.
10653         Update declaration of remaining add_output_section.
10654         * layout.cc (Layout::create_interp): Call add_output_section
10655         rather than add_initial_output_section.
10656         (Layout::finish_dynamic_section): Likewise.
10658         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10659         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10660         know the dynamic type.
10661         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10662         field.  Initialize it in constructor.
10663         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10664         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10665         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10666         reloc.
10668         * output.cc (Output_reloc::get_address): Change return type to
10669         Elf_Addr.
10670         * output.h (class Output_reloc): Update get_address declaration.
10671         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10672         for section addresses.
10674 2008-05-09  Ian Lance Taylor  <iant@google.com>
10676         PR 6493
10677         * gold.cc (gold_nomem): Use return value of write.
10679 2008-05-08  Ian Lance Taylor  <iant@google.com>
10681         * symtab.c (Symbol::init_base_output_data): Add version
10682         parameter.  Change all callers.
10683         (Symbol::init_base_output_segment): Likewise.
10684         (Symbol::init_base_constant): Likewise.
10685         (Symbol::init_base_undefined): Likewise.
10686         (Sized_symbol::init_output_data): Likewise.
10687         (Sized_symbol::init_output_segment): Likewise.
10688         (Sized_symbol::init_constant): Likewise.
10689         (Sized_symbol::init_undefined): Likewise.
10690         (Symbol_table::do_define_in_output_data): If the new symbol has a
10691         version, mark it as the default.
10692         (Symbol_table::do_define_in_output_segment): Likewise.
10693         (Symbol_table::do_define_as_constant): Likewise.
10694         * symtab.h (class Symbol): Update declarations.
10695         (class Sized_symbol): Likewise.
10696         * resolve.cc (Symbol::override_version): New function.
10697         (Symbol::override_base): Call override_version.
10698         (Symbol::override_base_with_special): Likewise.
10699         * testsuite/ver_script_8.script: New file.
10700         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10701         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10702         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10703         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10705 2008-05-06  Ian Lance Taylor  <iant@google.com>
10707         PR 6049
10708         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10709         functions.
10710         (class General_options): Remove existing --undefined, and add
10711         --no-undefined instead.  Add new --undefined as synonym for -u.
10712         * archive.cc (Archive::add_symbols): Check whether symbol was
10713         named with -u.
10714         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10715         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10716         all uses.  Add IS_UNDEFINED.  Update declarations to split
10717         different versions of init_base.  Declare init_base_undefined.
10718         (Symbol::is_defined): Handle IS_UNDEFINED.
10719         (Symbol::is_undefined): Likewise.
10720         (Symbol::is_weak_undefined): Call is_undefined.
10721         (Symbol::is_absolute): Handle IS_CONSTANT.
10722         (class Sized_symbol): Update declarations to split different
10723         versions of init.  Declare init_undefined.
10724         (class Symbol_table): Declare new functions.
10725         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10726         Change all callers.
10727         (Symbol::init_base_output_data): Likewise.
10728         (Symbol::init_base_output_segment): Likewise.
10729         (Symbol::init_base_constant): Likewise.
10730         (Symbol::init_base_undefined): New function.
10731         (Sized_symbol::init_object): Rename from init.  Change all
10732         callers.
10733         (Sized_symbol::init_output_data): Likewise.
10734         (Sized_symbol::init_output_segment): Likewise.
10735         (Sized_symbol::init_constant): Likewise.
10736         (Sized_symbol::init_undefined): New function.
10737         (Symbol_table::add_undefined_symbols_from_command_line): New
10738         function.
10739         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10740         function.
10741         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10742         (Symbol::output_section): Likewise.
10743         (Symbol::set_output_section): Likewise.
10744         (Symbol_table::sized_finalize_symbol): Likewise.
10745         (Symbol_table::sized_write_globals): Likewise.
10746         * resolve.cc (Symbol_table::should_override): Likewise.
10747         (Symbol::override_base_with_special): Likewise.
10749         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10750         symbol, change it to have default visibility.
10751         * testsuite/protected_1.cc: New file.
10752         * testsuite/protected_2.cc: New file.
10753         * testsuite/protected_3.cc: New file.
10754         * testsuite/protected_main_1.cc: New file.
10755         * testsuite/protected_main_2.cc: New file.
10756         * testsuite/protected_main_3.cc: New file.
10757         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10758         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10759         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10760         (protected_1.so): New target.
10761         (protected_1_pic.o, protected_2_pic.o): New targets.
10762         (protected_3_pic.o): New target.
10763         (check_PROGRAMS): Add protected_2.
10764         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10765         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10766         * testsuite/Makefile.in: Rebuild.
10768         * options.h (DEFINE_var): Add set_user_set_##varname__.
10769         (DEFINE_bool_alias): New macro.
10770         (class General_options): Define -Bstatic using DEFINE_bool_alias
10771         rather than DEFINE_special.  Add --undefined as an alias for -z
10772         defs.
10773         * options.cc (General_options::parse_Bstatic): Remove.
10775         * options.h (class General_options): Add --fatal-warnings.
10776         * main.cc (main): Implement --fatal-warnings.
10777         * errors.h (Errors::warning_count): New function.
10779         * options.h (class General_options): Add -Bsymbolic-functions.
10780         * symtab.h (Symbol::is_preemptible): Check for
10781         -Bsymbolic-functions.
10783 2008-05-05  Ian Lance Taylor  <iant@google.com>
10785         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10786         as noVARNAME rather than no-VARNAME.
10787         (class General_options): Add option -z combreloc.
10788         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10789         get_address.
10790         (Output_reloc::sort_before) [SHT_REL]: New function.
10791         (Output_reloc::sort_before) [SHT_RELA]: New function.
10792         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10793         Sort_relocs_comparison.
10794         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10795         parameter.  Change all callers.
10796         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10797         sort_relocs parameter.  Change all callers.
10798         * output.cc (Output_reloc::get_address): New function, broken out
10799         of write_rel.
10800         (Output_reloc::write_rel): Call it.
10801         (Output_reloc::compare): New function.
10802         (Output_data_reloc_base::do_write): Optionally sort relocs.
10804         * configure.ac: If targ_extra_obj is set, link it in.
10805         * configure.tgt: Initialize all variables.
10806         (x86_64*): Set targ_extra_obj and targ_extra_size.
10807         * configure: Rebuild.
10809         * object.cc (Sized_relobj::include_section_group): Adjust section
10810         indexes read from group data.  Build vector to pass to
10811         layout_group.
10812         * layout.cc (Layout::layout_group): Add flags and shndxes
10813         parameters.  Remove contents parameter.  Change caller.  Update
10814         explicit instantiations.
10815         * layout.h (class Layout): Update layout_group declaration.
10816         * output.cc (Output_data_group::Output_data_group): Add flags and
10817         input_shndxes parameters.  Remove contents parameter.  Change
10818         caller.
10819         (Output_data_group::do_write): Change input_sections_ to
10820         input_shndxes_.
10821         * output.h (class Output_data_group): Update constructor
10822         declaration.  Rename input_sections_ to input_shndxes_.
10823         * testsuite/many_sections_test.cc: Add template.
10825 2008-04-30  Cary Coutant  <ccoutant@google.com>
10827         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10829         * layout.cc (Layout::include_section): Refactored check for debug
10830         info section.
10831         (Layout::add_comdat): Add new parameters.  Change type
10832         of signature parameter.  Add object and shndx to signatures table.
10833         (Layout::find_kept_object): New function.
10834         * layout.h: Include <cstring>.
10835         (Layout::is_debug_info_section): New function.
10836         (Layout::add_comdat): Add new parameters.
10837         (Layout::find_kept_object): New function.
10838         (Layout::Kept_section): New struct.
10839         (Layout::Signatures): Change type of map range.
10840         * object.cc (Relobj::output_section_address): New function.
10841         (Sized_relobj::include_section_group): Add new parameters.  Change
10842         calls to Layout::add_comdat.  Change to build table of kept comdat
10843         groups and table mapping discarded sections to kept sections.
10844         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10845         (Sized_relobj::do_layout): Change calls to include_section_group and
10846         include_linkonce_section.
10847         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10848         value to zero when section is discarded.
10849         (Sized_relobj::map_to_kept_section): New function.
10850         * object.h (Relobj::output_section_address): New function.
10851         (Relobj::Comdat_group): New type.
10852         (Relobj::find_comdat_group): New function.
10853         (Relobj::Comdat_group_table): New type.
10854         (Relobj::Kept_comdat_section): New type.
10855         (Relobj::Kept_comdat_section_table): New type.
10856         (Relobj::add_comdat_group): New function.
10857         (Relobj::set_kept_comdat_section): New function.
10858         (Relobj::get_kept_comdat_section): New function.
10859         (Relobj::comdat_groups_): New field.
10860         (Relobj::kept_comdat_sections_): New field.
10861         (Symbol_value::input_value): Update comment.
10862         (Sized_relobj::map_to_kept_section) New function.
10863         (Sized_relobj::include_linkonce_section): Add new parameter.
10864         * target-reloc.h (Comdat_behavior): New type.
10865         (get_comdat_behavior): New function.
10866         (relocate_section): Add code to map a discarded section to the
10867         corresponding kept section when applying a relocation.
10869 2008-04-30  Craig Silverstein  <csilvers@google.com>
10871         * dwarf_reader.cc (next_generation_count): New static var.
10872         (Addr2line_cache_entry): New struct.
10873         (addr2line_cache): New static var.
10874         (Dwarf_line_info::one_addr2line): Added caching.
10875         (Dwarf_line_info::clear_addr2line_cache): New function.
10876         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10877         cache-size parameter.
10878         (Dwarf_line_info::one_addr2line_cache): New function.
10879         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10880         new cache-size argument to one_addr2line(), and clear cache.
10882 2008-04-28  Cary Coutant  <ccoutant@google.com>
10884         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10885         R_386_PC8 relocations.
10887 2008-04-23  Ian Lance Taylor  <iant@google.com>
10889         * object.cc (Sized_relobj::include_section_group): Check for
10890         invalid section group.
10892         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10893         header size.
10895         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10896         than read for file header.
10897         * archive.cc (Archive::include_member): Likewise.
10899 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10901         * aclocal.m4: Regenerate.
10902         * configure: Regenerate.
10904 2008-04-19  Ian Lance Taylor  <iant@google.com>
10906         * version.cc (version_string): Bump to 1.6.
10908         * testsuite/Makefile.am (many_sections_r_test): New target.
10909         (many_sections_r_test_SOURCES): Remove.
10910         (many_sections_r_test_DEPENDENCIES): Remove.
10911         (many_sections_r_test_LDFLAGS): Remove.
10912         (many_sections_r_test_LDADD): Remove.
10914         * object.cc (Sized_relobj::do_add_symbols): Always pass
10915         local_symbol_count_ to add_from_relobj.
10917         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10918         every thousand variables.
10919         * testsuite/Makefile.in: Rebuild.
10921         * object.cc (Xindex::initialize_symtab_xindex): New function.
10922         (Xindex::read_symtab_xindex): New function.
10923         (Xindex::sym_xindex_to_shndx): New function.
10924         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10925         available.
10926         (Sized_relobj::do_initialize_xindex): New function.
10927         (Sized_relobj::do_read_symbols): Adjust section links.
10928         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10929         parameter.  Change all callers.
10930         (Sized_relobj::include_section_group): Adjust section links and
10931         symbol section indexes.
10932         (Sized_relobj::do_layout): Adjust section links.
10933         (Sized_relobj::do_count_local_symbols): Adjust section links and
10934         symbol section indexes.
10935         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10936         ordinary and special symbols.
10937         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10938         dynsym_xindex parameters.  Change all callers.  Adjust section
10939         links.  Use SHN_XINDEX when needed.
10940         (Sized_relobj::get_symbol_location_info): Adjust section links.
10941         Don't get fooled by special symbols.
10942         * object.h (class Xindex): Define.
10943         (class Object): Add xindex_ parameter.  Declare virtual functoin
10944         do_initialize_xindex.
10945         (Object::adjust_sym_shndx): New function.
10946         (Object::set_xindex): New protected function.
10947         (class Symbol_value): Add is_ordinary_shndx_ field.
10948         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10949         (Symbol_value::value): Assert ordinary section.
10950         (Symbol_value::initialize_input_to_output_map): Likewise.
10951         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10952         Change all callers.
10953         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10954         all callers.
10955         (class Sized_relobj): Update declarations.
10956         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10957         parameter.  Change all callers.
10958         (Sized_relobj::adjust_shndx): New function.
10959         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10960         field.
10961         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10962         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10963         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10964         (Sized_dynobj::read_dynsym_section): Adjust section links.
10965         (Sized_dynobj::read_dynamic): Likewise.
10966         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10967         section links.
10968         (Sized_dynobj::do_initialize_xindex): New function.
10969         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10970         do_initialize_xindex.
10971         (Sized_dynobj::adjust_shndx): New function.
10972         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10973         dynsym_xindex_ fields.
10974         (Layout::finalize): Add a call to set_section_indexes before
10975         creating the symtab sections.
10976         (Layout::set_section_indexes): Don't do anything if the section
10977         already has a section index.
10978         (Layout::create_symtab_sections): Add shnum parameter.  Change
10979         caller.  Create .symtab_shndx section if needed.
10980         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10981         caller.
10982         (Layout::allocated_output_section_count): New function.
10983         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10984         needed.
10985         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10986         fields.  Update declarations.
10987         (Layout::symtab_xindex): New function.
10988         (Layout::dynsym_xindex): New function.
10989         (class Write_symbols_task): Add layout_ field.
10990         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10991         Change caller.
10992         * output.cc (Output_section_headers::Output_section_headers): Add
10993         shstrtab_section parameter.  Change all callers.
10994         (Output_section_headers::do_sized_write): Store overflow values
10995         for section count and section string table section index in
10996         section header zero.
10997         (Output_file_header::do_sized_write): Check for overflow of
10998         section count and section string table section index.
10999         (Output_symtab_xindex::do_write): New function.
11000         (Output_symtab_xindex::endian_do_write): New function.
11001         * output.h (class Output_section_headers): Add shstrtab_section_.
11002         Update declarations.
11003         (class Output_symtab_xindex): Define.
11004         (Output_section::has_out_shndx): New function.
11005         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11006         field.
11007         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11008         Change all callers.
11009         (Sized_symbol::init): Likewise.
11010         (Symbol::output_section): Check for ordinary symbol.
11011         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11012         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11013         callers.
11014         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11015         Change all callers.  Simplify handling of symbols from sections
11016         not included in the link.
11017         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11018         distinction.
11019         (Weak_alias_sorter::operator()): Assert that symbols are
11020         ordinary.
11021         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11022         distinction.
11023         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11024         parameters.  Change all callers.
11025         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11026         symbol distinction.  Use SHN_XINDEX when needed.
11027         (Symbol_table::write_section_symbol): Add symtab_xindex
11028         parameter.  Change all callers.
11029         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11030         SHN_XINDEX when needed.
11031         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11032         declarations.
11033         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11034         (Symbol::is_defined): Check is_ordinary.
11035         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11036         (Symbol::is_absolute, Symbol::is_common): Likewise.
11037         (class Sized_symbol): Update declarations.
11038         (class Symbol_table): Update declarations.
11039         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11040         parameters.  Change all callers.
11041         (Sized_symbol::override): Likewise.
11042         (Symbol_table::override): Likewise.
11043         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11044         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11045         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11046         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11047         to be in an ordinary section.
11048         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11049         object and is_ordinary parameters.  Change all callers.
11050         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11051         Change all callers.  Don't add undefined or non-ordinary symbols
11052         to reloc_map_.
11053         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11054         Change all callers.
11055         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11056         declarations.
11057         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11058         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11059         (Sized_relobj::relocate_sections): Likewise.
11060         * target-reloc.h (scan_relocs): Adjust section symbol index.
11061         (scan_relocatable_relocs): Likewise.
11062         * i386.cc (Scan::local): Check for ordinary symbols.
11063         * sparc.cc (Scan::local): Likewise.
11064         * x86_64.cc (Scan::local): Likewise.
11065         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11066         to symbol_section_and_value.
11067         * testsuite/many_sections_test.cc: New file.
11068         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11069         (check_PROGRAMS): Add many_sections_test.
11070         (many_sections_test_SOURCES): Define.
11071         (many_sections_test_DEPENDENCIES): Define.
11072         (many_sections_test_LDFLAGS): Define.
11073         (BUILT_SOURCES): Add many_sections_define.h.
11074         (many_sections_define.h): New target.
11075         (BUILT_SOURCES): Add many_sections_check.h.
11076         (many_sections_check.h): New target.
11077         (check_PROGRAMS): Add many_sections_r_test.
11078         (many_sections_r_test_SOURCES): Define.
11079         (many_sections_r_test_DEPENDENCIES): Define.
11080         (many_sections_r_test_LDFLAGS): Define.
11081         (many_sections_r_test_LDADD): Define.
11082         (many_sections_r_test.o): New target.
11083         * testsuite/Makefile.in: Rebuild.
11085 2008-04-17  Cary Coutant  <ccoutant@google.com>
11087         * errors.cc (Errors::info): New function.
11088         (gold_info): New function.
11089         * errors.h (Errors::info): New function.
11090         * gold.h (gold_info): New function.
11091         * object.cc (Input_objects::add_object): Print trace output.
11092         * options.cc (options::parse_set): New function.
11093         (General_options::parse_wrap): Deleted.
11094         (General_options::General_options): Deleted initializer.
11095         * options.h (options::String_set): New typedef.
11096         (options::parse_set): New function.
11097         (DEFINE_set): New macro.
11098         (General_options::wrap): Changed to use DEFINE_set. Changed
11099         callers of any_wrap_symbols and is_wrap_symbol.
11100         (General_options::trace, General_options::trace_symbol):
11101         New options.
11102         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11103         (General_options::wrap_symbols_): Deleted.
11104         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11106 2008-04-17  David S. Miller  <davem@davemloft.net>
11108         * options.cc (General_options::parse_V): New function.
11109         * options.h: Add entries for -V and -Qy.
11111 2008-04-17  Ian Lance Taylor  <iant@google.com>
11113         * common.cc (Symbol_table::allocate_commons): Remove options
11114         parameter.  Change caller.
11115         (Symbol_table::do_allocate_commons): Remove options parameter.
11116         Change caller.  Just call do_allocate_commons_list twice.
11117         (Symbol_table::do_allocate_commons_list): New function, broken out
11118         of do_allocate_commons.
11119         * common.h (class Allocate_commons_task): Remove options_ field.
11120         Update constructor.
11121         * symtab.cc (Symbol_table::Symbol_table): Initialize
11122         tls_commons_.
11123         (Symbol_table::add_from_object): Put TLS common symbols on
11124         tls_commons_ list.
11125         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11126         which are IN_OUTPUT_DATA.
11127         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11128         allocate_commons and do_allocate_commons declarations.  Declare
11129         do_allocate_commons_list.
11130         * gold.cc (queue_middle_tasks): Update creation of
11131         Allocate_commons_task to not pass options.
11132         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11133         (TLS_TEST_C_FLAGS): New variable.
11134         (tls_test_c_pic.o): New target.
11135         (tls_test_shared.so): Link in tls_test_c_pic.o.
11136         (tls_test_c_pic_ie.o): New target.
11137         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11138         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11139         (tls_test_c.o): New target.
11140         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11141         (tls_pic_test_LDADD): Likewise.
11142         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11143         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11144         (tls_test_c_gnu2.o): New target.
11145         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11146         tls_test_c_gnu2.o.
11147         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11148         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11149         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11150         * testsuite/tls_test.cc: Include "config.h".
11151         (t_last): Call t11_last.
11152         * testsuite/tls_test.h (t11, t11_last): Declare.
11153         * testsuite/tls_test_c.c: New file.
11154         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11155         * configure.ac: Check for OpenMP support.
11156         * configure, config.in, Makefile.in: Rebuild.
11157         * testsuite/Makefile.in: Rebuild.
11159 2008-04-16  Cary Coutant  <ccoutant@google.com>
11161         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11162         (Target_i386::tls_base_symbol_defined_): New field.
11163         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11164         (Target_i386::Scan::global): Likewise.
11165         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11166         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11167         (Target_x86_64::tls_base_symbol_defined_): New field.
11168         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11169         (Target_x86_64::Scan::global): Likewise.
11171 2008-04-16  Cary Coutant  <ccoutant@google.com>
11173         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11174         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11175         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11176         building shared libraries.
11177         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11178         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11179         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11180         * testsuite/Makefile.in: Rebuild.
11181         * testsuite/weak_undef.h: New file.
11182         * testsuite/weak_undef_file1.cc: Add extra test cases.
11183         * testsuite/weak_undef_file2.cc: Likewise.
11184         * testsuite/weak_undef_test.cc: Likewise.
11186 2008-04-16  David S. Miller  <davem@davemloft.net>
11188         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11189         Add issued_non_pic_error_ field.  Declare check_non_pic.
11190         (Target_sparc::Scan::check_non_pic): New function.
11191         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11192         (Target_sparc::Scan::global): Likewise.
11194         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11195         * configure: Rebuild.
11197         * options.h (DEFINE_enable): New macro.
11198         (new_dtags): New enable option.
11199         (initfirst, interpose, loadfltr, nodefaultlib,
11200         nodelete, nodlopen, nodump): New -z options.
11201         * layout.cc (Layout:finish_dynamic_section): If new
11202         dtags enabled, emit DT_RUNPATH.  Also, emit a
11203         DT_FLAGS_1 containing any specified -z flags.
11205 2008-04-16  Ian Lance Taylor  <iant@google.com>
11207         * copy-relocs.cc: New file.
11208         * copy-relocs.h: New file.
11209         * reloc.cc: Remove Copy_relocs code.
11210         * reloc.h: Likewise.
11211         * reloc-types.h (struct Reloc_types) [both versions]: Add
11212         get_reloc_addend_noerror.
11213         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11214         variants of add_global which take an addend which must be zero.
11215         * i386.cc: Include "copy-relocs.h".
11216         (class Target_i386): Change type of copy_relocs_ to variable,
11217         update initializer.
11218         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11219         Change all callers.
11220         (Target_i386::do_finalize_sections): Change handling of
11221         copy_relocs_.
11222         * sparc.cc: Include "copy-relocs.h".
11223         (class Target_sparc): Change type of copy_relocs_ to variable,
11224         update initializer.
11225         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11226         Change all callers.
11227         (Target_sparc::do_finalize_sections): Change handling of
11228         copy_relocs_.
11229         * x86_64.cc: Include "copy-relocs.h".
11230         (class Target_x86_64): Change type of copy_relocs_ to variable,
11231         update initializer.
11232         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11233         class.  Change all callers.
11234         (Target_x86_64::do_finalize_sections): Change handling of
11235         copy_relocs_.
11236         * Makefile.am (CCFILES): Add copy-relocs.cc.
11237         (HFILES): Add copy-relocs.h.
11239         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11241         * testsuite/script_test_4.sh: Permit leading zeroes.
11243 2008-04-15  Ian Lance Taylor  <iant@google.com>
11245         * script-sections.cc (Script_sections::create_segments): Use
11246         header_size_adjustment even when there is enough room for the
11247         headers.
11248         * testsuite/script_test_4.sh: New file.
11249         * testsuite/script_test_4.t: New file.
11250         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11251         (check_DATA): Add script_test_4.stdout.
11252         (MOSTLYCLEANFILES): Likewise.
11253         (script_test_4): New target.
11254         (script_test_4.stdout): New target.
11255         * testsuite/Makefile.in: Rebuild.
11257         * sparc.cc: Add definitions for Output_data_plt_sparc class
11258         constants.
11260 2008-04-14  David S. Miller  <davem@davemloft.net>
11262         * sparc.cc: New file.
11263         * Makefile.am (TARGETSOURCES): Add sparc.cc
11264         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11265         * configure.tgt: Document targ_extra_size and
11266         targ_extra_big_endian.  Add entries for sparc-* and
11267         sparc64-*.
11268         * configure.ac: Handle targ_extra_size and
11269         targ_extra_big_endian.
11270         * Makefile.in: Rebuild.
11271         * configure: Likewise.
11272         * po/POTFILES.in: Likewise.
11273         * po/gold.pot: Likewise.
11275 2008-04-14  Ian Lance Taylor  <iant@google.com>
11277         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11278         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11279         in the name/type/flags to section mapping.  Don't call
11280         allocate_output_section.
11281         (Layout::choose_output_section): Change parameter from adjust_name
11282         to is_input_section.  Don't permit input sections after sections
11283         are attached to segments.  Don't call allocate_output_section.
11284         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11285         not write_enable_output_section.
11286         (Layout::make_output_section): Don't push to
11287         unattached_section_list_ nor call attach_to_segment.  Call
11288         attach_section_to_segment if sections are attached.
11289         (Layout::attach_sections_to_segments): New function.
11290         (Layout::attach_section_to_segment): New function.
11291         (Layout::attach_allocated_section_to_segment): Rename from
11292         attach_to_segment.  Remove flags parameter.
11293         (Layout::allocate_output_section): Remove function.
11294         (Layout::write_enable_output_section): Remove function.
11295         * layout.h (class Layout): Update for above changes.  Add new
11296         field sections_are_attached_.
11297         * output.h (Output_section::update_flags_for_input_section): New
11298         function.
11299         * output.cc (Output_section::add_input_section): Call
11300         update_flags_for_input_section.
11301         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11303 2008-04-11  Cary Coutant  <ccoutant@google.com>
11305         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11306         thought unnecessary.
11307         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11309 2008-04-11  Ian Lance Taylor  <iant@google.com>
11311         * output.h (class Output_section_data): Remove inline definition
11312         of set_addralign.
11313         * output.cc (Output_section_data::set_addralign): New function.
11315 2008-04-11  Cary Coutant  <ccoutant@google.com>
11317         Add support for TLS descriptors for i386 and x86_64.
11318         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11319         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11320         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11321         GOT_TYPE_TLS_DESC.
11322         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11323         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11324         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11325         relocations.
11326         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11327         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11328         Fix problem with initial-exec relocations.
11329         (Target_i386::Relocate::relocate_tls): Likewise.
11330         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11331         relaxation.
11332         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11333         support for section-plus-offset dynamic table entries.
11334         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11335         (Output_data_dynamic::Dynamic_entry): Add support for
11336         section-plus-offset dynamic table entries.
11337         (Output_data_dynamic::Classification): Likewise.
11338         (Output_data_dynamic::classification_): Renamed offset_.
11339         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11340         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11341         (Target_x86_64::make_plt_section): New function.
11342         (Target_x86_64::reserve_tlsdesc_entries): New function.
11343         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11344         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11345         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11346         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11347         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11348         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11349         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11350         add extra PLT entry for TLS descriptors.
11351         (Output_data_plt_x86_64::got_): New field.
11352         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11353         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11354         fields.
11355         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11356         descriptors.
11357         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11358         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11359         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11360         R_386_TLS_DESC_CALL relocations.
11361         (Target_x86_64::Scan::global): Likewise.
11362         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11363         for TLS descriptors.
11364         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11365         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11366         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11367         GD-to-IE relaxation.
11368         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11369         and TLS_DESCRIPTORS.
11370         * Makefile.in: Rebuild.
11371         * configure: Rebuild.
11372         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11373         (tls_test_shared2.so): New target.
11374         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11375         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11376         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11377         (tls_shared_gd_to_ie_test_LDADD): New variable.
11378         (tls_shared_gnu2_gd_to_ie_test): New target.
11379         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11380         New targets.
11381         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11382         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11383         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11384         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11385         (tls_shared_gnu2_test): New target.
11386         (tls_test_gnu2_shared.so): New target.
11387         (tls_shared_gnu2_test_SOURCES): New variable.
11388         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11389         (tls_shared_gnu2_test_LDFLAGS): New variable.
11390         (tls_shared_gnu2_test_LDADD): New variable.
11391         * testsuite/Makefile.in: Rebuild.
11392         * testsuite/Makefile.
11394 2008-04-11  Ian Lance Taylor  <iant@google.com>
11396         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11397         justsyms.t.
11398         * testsuite/Makefile.in: Rebuild.
11400         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11401         long.
11402         * testsuite/script_test_2.cc (main): Adjust test.
11404 2008-04-11  David S. Miller  <davem@davemloft.net>
11405             Ian Lance Taylor  <iant@google.com>
11407         * options.h (General_options): Add entries for '-Y' and
11408         '-relax'.
11409         * options.cc (General_options:finalize): If -Y was used, add those
11410         entries to the library path instead of the default "/lib" and
11411         "/usr/lib".
11413 2008-04-11  David S. Miller  <davem@davemloft.net>
11415         * testsuite/justsyms.t: Start at 0x100.
11416         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11417         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11418         long.
11419         * testsuite/script_test_2.cc: Adjust string and section length
11420         checks.
11422 2008-04-09  Ian Lance Taylor  <iant@google.com>
11424         PR gold/5996
11425         * script-sections.cc (Sections_element::allocate_to_segment): Add
11426         orphan parameter.
11427         (Output_section_definition::allocate_to_segment): Likewise.
11428         (Orphan_output_section::allocate_to_segment): Likewise.
11429         (Script_sections::attach_sections_using_phdrs_clause): Don't
11430         propagate non-PT_LOAD segments to orphan sections.
11431         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11432         readelf rather than objdump.
11433         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11434         .interp section and PT_INTERP segment are the same size.
11435         * testsuite/Makefile.in: Rebuild.
11437         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11438         aliases for symbols defined in the same object.
11439         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11440         (weak_alias_test_SOURCES): New variable.
11441         (weak_alias_test_DEPENDENCIES): New variable.
11442         (weak_alias_test_LDFLAGS): New variable.
11443         (weak_alias_test_LDADD): New variable.
11444         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11445         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11446         (weak_alias_test_3.o): New target.
11447         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11448         * testsuite/weak_alias_test_main.cc: New file.
11449         * testsuite/weak_alias_test_1.cc: New file.
11450         * testsuite/weak_alias_test_2.cc: New file.
11451         * testsuite/weak_alias_test_3.cc: New file.
11453 2008-04-08  Ian Lance Taylor  <iant@google.com>
11455         * options.h (class General_options): Add --noinhibit-exec option.
11456         * main.cc (main): Check --noinhibit-exec.
11458         * options.h (class General_options): Define --wrap as a special
11459         option.  Add wrap_symbols_ field.
11460         (General_options::any_wrap_symbols): New function.
11461         (General_options::is_wrap_symbol): New function.
11462         * options.cc (General_options::parse_wrap): New function.
11463         (General_options::General_options): Initialize wrap_symbols_.
11464         * symtab.cc (Symbol_table::wrap_symbol): New function.
11465         (Symbol_table::add_from_object): Handle --wrap.
11466         * symtab.h (class Symbol_table): Declare wrap_symbol.
11467         * target.h (Target::wrap_char): New function.
11468         (Target::Target_info): Add wrap_char field.
11469         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11470         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11471         * testsuite/testfile.cc (Target_test::test_target_info):
11472         Likewise.
11474         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11475         there is one.
11477         * layout.h (class Layout): Add added_eh_frame_data_ field.
11478         * layout.cc (Layout::Layout): Initialize new field.
11479         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11480         output section until we find a section we merged successfully.
11481         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11482         that the size be non-zero.
11484         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11485         qualifier.
11487 2008-04-08  Craig Silverstein  <csilvers@google.com>
11489         * configure.ac: Export new conditional variable HAVE_ZLIB.
11490         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11491         on HAVE_ZLIB.
11492         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11493         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11495 2008-04-07  Ian Lance Taylor  <iant@google.com>
11497         * version.cc (version_string): Set to "1.5".
11499         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11500         Add issued_non_pic_error_ field.  Declare check_non_pic.
11501         (Target_x86_64::Scan::check_non_pic): New function.
11502         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11503         (Target_x86_64::Scan::global): Likewise.
11505         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11506         addend parameter.  Change caller.  Handle merge sections.
11507         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11508         Address to Addend.  Don't add in the result of
11509         local_section_offset, pass down the addend and use the returned
11510         value.
11511         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11512         Update declarations of local_section_offset and symbol_value.
11513         * testsuite/two_file_test_1.cc (t18): New function.
11514         * testsuite/two_file_test_2.cc (f18): New function.
11515         * testsuite/two_file_test_main.cc (main): Call t18.
11516         * testsuite/two_file_test.h (t18, f18): Declare.
11518         * configure.ac: Don't test for objdump, c++filt, or readelf.
11519         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11520         conditionals.
11521         (TEST_READELF): New variable.
11522         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11523         (check_PROGRAMS): Add two_file_strip_test.
11524         (two_file_strip_test): New target.
11525         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11526         (two_file_same_shared_strip_test_SOURCES): New variable.
11527         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11528         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11529         (two_file_same_shared_strip_test_LDADD): New variable.
11530         (two_file_shared_strip.so): New target.
11531         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11532         (ver_test_5.syms, ver_test_7.syms): Likewise.
11533         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11534         (strip_test_3.stdout): Use TEST_OBJDUMP.
11535         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11537 2008-04-04  Cary Coutant  <ccoutant@google.com>
11539         * symtab.h (Symbol::is_weak_undefined): New function.
11540         (Symbol::is_strong_undefined): New function.
11541         (Symbol::is_absolute): New function.
11542         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11543         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11544         absolute symbols.
11545         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11546         (weak_undef_test): New target.
11547         * testsuite/Makefile.in: Rebuild.
11548         * testsuite/weak_undef_file1.cc: New file.
11549         * testsuite/weak_undef_file2.cc: New file.
11550         * testsuite/weak_undef_test.cc: New file.
11552 2008-04-03  Craig Silverstein  <csilvers@google.com>
11554         * compressed_output.h (class Output_compressed_section): Use
11555         unsigned buffer.
11556         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11557         add zlib header.
11558         (zlib_compressed_suffix): Removed.
11559         (Output_compressed_section::set_final_data_size): Use unsigned
11560         buffers.
11561         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11562         Fix linker invocation.
11563         (flagstest_o_specialfile_and_compress_debug_sections):
11564         Likewise.
11565         * testsuite/Makefile.in: Regenerated.
11567 2008-04-02  David S. Miller  <davem@davemloft.net>
11569         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11570         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11572 2008-04-02  Craig Silverstein  <csilvers@google.com>
11574         * TODO: New file.
11576 2008-04-02  Ian Lance Taylor  <iant@google.com>
11578         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11579         parameters.  Update for new key type to views_.  Change all
11580         callers.
11581         (File_read::read): Adjust for byteshift in returned view.
11582         (File_read::add_view): New function, broken out of
11583         find_and_make_view.
11584         (File_read::make_view): New function, broken out of
11585         find_and_make_view.
11586         (File_read::find_or_make_view): Add offset and aligned
11587         parameters.  Rewrite accordingly.  Change all callers.
11588         (File_read::get_view): Add offset and aligned parameters.  Adjust
11589         for byteshift in return value.
11590         (File_read::get_lasting_view): Likewise.
11591         * fileread.h (class File_read): Update declarations.
11592         (class File_read::View): Add byteshift_ field.  Add byteshift to
11593         constructor.  Add byteshift method.
11594         * archive.h (Archive::clear_uncached_views): New function.
11595         (Archive::get_view): Add aligned parameter.  Change all callers.
11596         * object.h (Object::get_view): Add aligned parameter.  Change all
11597         callers.
11598         (Object::get_lasting_view): Likewise.
11600         * fileread.cc (File_read::release): Don't call clear_views if
11601         there are multiple objects.
11602         * fileread.h (File_read::clear_uncached_views): New function.
11603         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11604         on the archive.
11606 2008-03-31  Cary Coutant  <ccoutant@google.com>
11608         Add thin archive support.
11609         * archive.cc (Archive::armagt): New const.
11610         (Archive::setup): Remove task parameter and calls to unlock.
11611         (Archive::unlock_nested_archives): New function.
11612         (Archive::read_header): Add nested_off parameter. Change
11613         all callers.
11614         (Archive::interpret_header): Likewise.
11615         (Archive::include_all_members): Change to handle thin
11616         archives.
11617         (Archive::include_member): Likewise.
11618         * archive.h (Archive::Archive): Add new parameters and
11619         initializers.
11620         (Archive::armagt): New const.
11621         (Archive::setup): Remove task parameter.
11622         (Archive::unlock_nested_archives): New function.
11623         (Archive::read_header): Add nested_off parameter.
11624         (Archive::interpret_header): Likewise.
11625         (Archive::Nested_archive_table): New typedef.
11626         (Archive::is_thin_archive_): New field.
11627         (Archive::nested_archives_): New field.
11628         (Archive::options_): New field.
11629         (Archive::dirpath_): New field.
11630         (Archive::task_): New field.
11631         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11632         for thin archives.  Pass additional parameters to
11633         Archive::Archive.  Unlock the archive file after calling
11634         Archive::setup.
11636 2008-03-29  Ian Lance Taylor  <iant@google.com>
11638         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11639         version symbol to be local.
11640         * testsuite/ver_test_4.sh: New file.
11641         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11642         (check_DATA): Add ver_test_4.syms.
11643         (ver_test_4.syms): New target.
11644         * testsuite/Makefile.in: Rebuild.
11646         * output.cc
11647         (Output_section::Input_section_sort_entry::has_priority): New
11648         function.
11649         (Output_section::Input_section_sort_entry::match_file_name): New
11650         function.
11651         (Output_section::Input_section_sort_entry::match_section_name):
11652         Remove.
11653         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11654         Remove.
11655         (Output_section::Input_section_sort_entry::match_section_file):
11656         Remove.
11657         (Output_section::Input_section_sort_compare::operator()): Rewrite
11658         using new Input_section_sort_entry functions.  Sort crtbegin and
11659         crtend first.  Sort sections with no priority before sections with
11660         a priority.
11661         * testsuite/initpri1.c (d3): Check j != 4.
11662         (cd5): New constructor/destructor function.
11663         (main): Check j != 2.
11665         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11666         new symbol when resolving, don't call set_is_default.
11667         * testsuite/ver_test_7.cc: New file.
11668         * testsuite/ver_test_7.sh: New file.
11669         * testsuite/Makefile.am (ver_test_7.so): New target.
11670         (ver_test_7.o): New target.
11671         (check_SCRIPTS): Add ver_test_7.sh.
11672         (check_DATA): Add ver_test_7.syms.
11673         (ver_test_7.syms): New target.
11675 2008-03-28  Ian Lance Taylor  <iant@google.com>
11677         * layout.cc (Layout::layout): If we see an input section with a
11678         name that needs sorting, set the must_sort flag for the output
11679         section.
11680         (Layout::make_output_section): If the name of the output section
11681         indicates that it might require sorting, set the may_sort flag.
11682         * output.h (Output_section::may_sort_attached_input_sections): New
11683         function.
11684         (Output_section::set_may_sort_attached_input_sections): New
11685         function.
11686         (Output_section::must_sort_attached_input_sections): New
11687         function.
11688         (Output_section::set_must_sort_attached_input_sections): New
11689         function.
11690         (class Output_section): Declare Input_section_sort_entry.  Define
11691         Input_section_sort_compare.  Declare
11692         sort_attached_input_sections.  Add new fields:
11693         may_sort_attached_input_sections_,
11694         must_sort_attached_input_sections_,
11695         attached_input_sections_are_sorted_.
11696         * output.cc (Output_section::Output_section): Initialize new
11697         fields.
11698         (Output_section::add_input_section): Add an entry to
11699         input_sections_ if may_sort or must_sort are true.
11700         (Output_section::set_final_data_size): Call
11701         sort_attached_input_sections if necessary.
11702         (Output_section::Input_section_sort_entry): Define new class.
11703         (Output_section::Input_section_sort_compare::operator()): New
11704         function.
11705         (Output_section::sort_attached_input_sections): New function.
11706         * configure.ac: Check whether the compiler supports constructor
11707         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11708         * testsuite/initpri1.c: New file.
11709         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11710         CONSTRUCTOR_PRIORITY.
11711         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11712         (initpri1_LDFLAGS): New variable.
11713         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11715 2008-03-27  Ian Lance Taylor  <iant@google.com>
11717         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11718         * testsuite/common_test_1.c: New file.
11719         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11720         (common_test_1_SOURCES): New variable.
11721         (common_test_1_DEPENDENCIES): New variable.
11722         (common_test_1_LDFLAGS): New variable.
11724         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11725         and commons_ correctly when NAME/VERSION does not override
11726         NAME/NULL.
11727         * testsuite/ver_test_6.c: New file.
11728         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11729         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11730         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11732 2008-03-26  Ian Lance Taylor  <iant@google.com>
11734         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11735         of an undefined symbol from a version script.
11736         * testsuite/Makefile.am (ver_test_5.so): New target.
11737         (ver_test_5.o): New target.
11738         (check_SCRIPTS): Add ver_test_5.sh.
11739         (check_DATA): Add ver_test_5.syms.
11740         (ver_test_5.syms): New target.
11741         * testsuite/ver_test_5.cc: New file.
11742         * testsuite/ver_test_5.script: New file.
11743         * testsuite/ver_test_5.sh: New file.
11744         * Makefile.in, testsuite/Makefile.in: Rebuild.
11746         PR gold/5986
11747         Fix problems building gold with gcc 4.3.0.
11748         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11749         (gold_error_at_location, gold_warning_at_location): Use it.
11750         * configure.ac: Check whether we can compile and use a template
11751         function with a printf attribute.
11752         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11753         when jumping over bytes.
11754         * object.cc: Instantiate Object::read_section_data.
11755         * debug.h: Include <cstring>
11756         * dwarf_reader.cc: Include <algorithm>
11757         * main.cc: Include <cstring>.
11758         * options.cc: Include <cstring>.
11759         * output.cc: Include <cstring>.
11760         * script.cc: Include <cstring>.
11761         * script.h: Include <string>.
11762         * symtab.cc: Include <cstring> and <algorithm>.
11763         * target-select.cc: Include <cstring>.
11764         * version.cc: Include <string>.
11765         * testsuite/testmain.cc: Include <cstdlib>.
11766         * configure, config.in: Rebuild.
11768 2008-03-25  Ian Lance Taylor  <iant@google.com>
11770         * options.cc: Include "../bfd/bfdver.h".
11771         (options::help): Print bug reporting address.
11773         * version.cc (print_version): Adjust output for current value of
11774         BFD_VERSION_STRING.
11776         * NEWS: New file.
11778         * options.cc (options::help): Print list of supported targets.
11779         * target-select.h: Include <vector>.
11780         (class Target_selector): Make machine_, size_, and is_big_endian_
11781         fields const.  Add bfd_name_ and instantiated_target_ fields.
11782         (Target_selector::Target_selector): Add bfd_name parameter.
11783         (Target_selector::recognize): Make non-virtual, call
11784         do_recognize.
11785         (Target_selector::recognize_by_name): Make non-virtual, call
11786         do_recognize_by_name.
11787         (Target_selector::supported_names): New function.
11788         (Target_selector::bfd_name): New function.
11789         (Target_selector::do_instantiate_target): New pure virtual
11790         function.
11791         (Target_selector::do_recognize): New virtual function.
11792         (Target_selector::do_recognize_by_name): New virtual function.
11793         (Target_selector::instantiate_target): New private function.
11794         (supported_target_names): Declare.
11795         * target-select.cc (Target_selector::Target_selector): Update for
11796         new parameter and fields.
11797         (select_target_by_name): Check that the name matches before
11798         calling recognize_by_name.
11799         (supported_target_names): New function.
11800         * i386.cc (class Target_selector_i386): Update Target_selector
11801         constructor call.  Remove recognize and recognize_by_name.  Add
11802         do_instantiate_target.
11803         * x86_64.cc (class Target_selector_x86_64): Likewise.
11804         * testsuite/testfile.cc (class Target_selector_test): Update for
11805         changes to Target_selector.
11807         * README: Rewrite, with some notes on unsupported features.
11809 2008-03-24  Cary Coutant  <ccoutant@google.com>
11811         * i386.cc (Target_i386::Got_type): New enum declaration.
11812         (Target_i386::Scan::local): Updated callers of Output_data_got
11813         member functions.
11814         (Target_i386::Scan::global): Likewise.
11815         (Target_i386::Relocate::relocate): Likewise.
11816         (Target_i386::Relocate::relocate_tls): Likewise.
11817         * object.h (Got_offset_list): New class.
11818         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11819         (Sized_relobj::local_got_offset): Likewise.
11820         (Sized_relobj::set_local_got_offset): Likewise.
11821         (Sized_relobj::local_has_tls_got_offset): Removed.
11822         (Sized_relobj::local_tls_got_offset): Removed.
11823         (Sized_relobj::set_local_tls_got_offset): Removed.
11824         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11825         * output.cc (Output_data_got::add_global): Added got_type parameter.
11826         (Output_data_got::add_global_with_rel): Likewise.
11827         (Output_data_got::add_global_with_rela): Likewise.
11828         (Output_data_got::add_global_pair_with_rel): New function.
11829         (Output_data_got::add_global_pair_with_rela): New function.
11830         (Output_data_got::add_local): Added got_type parameter.
11831         (Output_data_got::add_local_with_rel): Likewise.
11832         (Output_data_got::add_local_with_rela): Likewise.
11833         (Output_data_got::add_local_pair_with_rel): New function.
11834         (Output_data_got::add_local_pair_with_rela): New function.
11835         (Output_data_got::add_global_tls): Removed.
11836         (Output_data_got::add_global_tls_with_rel): Removed.
11837         (Output_data_got::add_global_tls_with_rela): Removed.
11838         (Output_data_got::add_local_tls): Removed.
11839         (Output_data_got::add_local_tls_with_rel): Removed.
11840         (Output_data_got::add_local_tls_with_rela): Removed.
11841         * output.h (Output_data_got::add_global): Added got_type parameter.
11842         (Output_data_got::add_global_with_rel): Likewise.
11843         (Output_data_got::add_global_with_rela): Likewise.
11844         (Output_data_got::add_global_pair_with_rel): New function.
11845         (Output_data_got::add_global_pair_with_rela): New function.
11846         (Output_data_got::add_local): Added got_type parameter.
11847         (Output_data_got::add_local_with_rel): Likewise.
11848         (Output_data_got::add_local_with_rela): Likewise.
11849         (Output_data_got::add_local_pair_with_rel): New function.
11850         (Output_data_got::add_local_pair_with_rela): New function.
11851         (Output_data_got::add_global_tls): Removed.
11852         (Output_data_got::add_global_tls_with_rel): Removed.
11853         (Output_data_got::add_global_tls_with_rela): Removed.
11854         (Output_data_got::add_local_tls): Removed.
11855         (Output_data_got::add_local_tls_with_rel): Removed.
11856         (Output_data_got::add_local_tls_with_rela): Removed.
11857         * resolve.cc (Symbol::override_base_with_special): Removed
11858         reference to has_got_offset_ field.
11859         * symtab.cc (Symbol::init_fields): Replaced initialization
11860         of got_offset_ with got_offsets_.  Removed initialization
11861         of has_got_offset_
11862         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11863         (Symbol::got_offset): Likewise.
11864         (Symbol::set_got_offset): Likewise.
11865         (Symbol::has_tls_got_offset): Removed.
11866         (Symbol::tls_got_offset): Removed.
11867         (Symbol::set_tls_got_offset): Removed.
11868         (Symbol::got_offset_): Removed.
11869         (Symbol::tls_mod_got_offset_): Removed.
11870         (Symbol::tls_pair_got_offset_): Removed.
11871         (Symbol::got_offsets_): New field.
11872         (Symbol::has_got_offset): Removed.
11873         (Symbol::has_tls_mod_got_offset): Removed.
11874         (Symbol::has_tls_pair_got_offset): Removed.
11875         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11876         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11877         member functions.
11878         (Target_x86_64::Scan::global): Likewise.
11879         (Target_x86_64::Relocate::relocate): Likewise.
11880         (Target_x86_64::Relocate::relocate_tls): Likewise.
11882 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11884         * yyscript.y: Fix spelling error in comment.
11886 2008-03-24  Ian Lance Taylor  <iant@google.com>
11888         * options.h (class General_options): Define build_id option.
11889         * layout.h (class Layout): Declare write_build_id, create_note,
11890         create_build_id.  Add build_id_note_ member.
11891         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11892         "libiberty.h", "md5.h", "sha1.h".
11893         (Layout::Layout): Initialize eh_frame_data_,
11894         eh_frame_hdr_section_, and build_id_note_.
11895         (Layout::finalize): Call create_build_id.
11896         (Layout::create_note): New function, broken out of
11897         Layout::create_gold_note.
11898         (Layout::create_gold_note): Call create_note.
11899         (Layout::create_build_id): New function.
11900         (Layout::write_build_id): New function.
11901         (Close_task_runner::run): Call write_build_id.
11903         * x86_64.cc: Correct license to GPLv3.
11905 2008-03-23  Ian Lance Taylor  <iant@google.com>
11907         * options.cc: Include "demangle.h".
11908         (parse_optional_string): New function.
11909         (parse_long_option): Handle takes_optional_argument.
11910         (parse_short_option): Update dash_z initializer.  Handle
11911         takes_optional_argument.
11912         (General_options::General_options): Initialize do_demangle_.
11913         (General_options::finalize): Set do_demangle_.  Handle demangling
11914         style.
11915         * options.h (parse_optional_string): Declare.
11916         (struct One_option): Add optional_arg field.  Update constructor.
11917         Update call constructor calls.  Add takes_optional_argument
11918         function.
11919         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11920         (DEFINE_optional_string): Define.
11921         (General_options::demangle): Change from DEFINE_bool to
11922         DEFINE_optional_string.
11923         (General_options::no_demangle): New function.
11924         (General_options::do_demangle): New function.
11925         (General_options::set_do_demangle): New function.
11926         (General_options::execstack_status_): Move definition to end of
11927         class definition.
11928         (General_options::static_): Likewise.
11929         (General_options::do_demangle_): New field.
11930         * object.cc (big_endian>::get_symbol_location_info): Call
11931         Options::do_demangle, not Options::demangle.
11932         * symtab.cc (demangle): Likewise.
11934 2008-03-22  Ian Lance Taylor  <iant@google.com>
11936         * gold.h: Include <cstddef> and <sys/types.h>
11937         * options.h: Include <cstring>.
11939 2008-03-21  Ian Lance Taylor  <iant@google.com>
11941         * Added source code to GNU binutils.