* regcache.h (struct thread_info): Forward declare.
[binutils-gdb.git] / gold / ChangeLog
blobaf6718ab2ac73ac647dd528b74b911f231eec65f
1 2010-01-20  Doug Kwan  <dougkwan@google.com>
3         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4         Input_section_specifier to Section_id.
5         (Target_arm::new_arm_input_section: Adjust code for change of key
6         type.
7         (Target_arm::find_arm_input_section): Ditto.
8         * gc.h (object.h): Include for Section_id nand Section_id_hash.
9         (Section_id): Remove.
10         (Garbage_collection::Section_id_hash): Remove.
11         * icf.h (object.h): Include for Section_id nand Section_id_hash.
12         (Section_id): Remove.
13         (Icf::Section_id_hash): Remove.
14         * object.h (Section_id, Const_section_id, Section_id_hash,
15         Const_section_id_hash): New type definitions.
16         * output.cc (Output_section::add_relaxed_input_section): Change to
17         use Const_section_id instead of Input_section_specifier as key type.
18         (Output_section::add_merge_input_section): Ditto.
19         (Output_section::build_relaxation_map): Change to use Section_id
20         instead of Input_section_specifier as key type.
21         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
22         Ditto.
23         (Output_section::convert_input_sections_to_relaxed_sections): Change
24         to use Const_section_id instead of Input_section_specifier as key type.
25         (Output_section::find_merge_section): Ditto.
26         (Output_section::find_relaxed_input_section): Ditto.
27         * output.h (Input_section_specifier): Remove class.
28         (Output_section::Output_section_data_by_input_section_map): Change
29         key type to Const_section_id.
30         (Output_section::Output_relaxed_input_section_by_input_section_map):
31         Ditto.
32         (Output_section::Relaxation_map): Change key type to Section_id.
34 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
36         * gold/arm.cc: Added support for R_ARM_V4BX relocation
37         (class Arm_v4bx_stub): New class.
38         (DEF_STUBS): Updated definition to support v4_veneer_bx.
39         (Stub_factory::make_arm_v4bx_stub): New method.
40         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
41         (Stub_table::empty): Handle v4bx stubs.
42         (Stub_table::add_arm_v4bx_stub): New method.
43         (Stub_table::find_arm_v4bx_stub): New method.
44         (Arm_relocate_functions::v4bx): New method.
45         (Target_arm::fix_v4bx): New method.
46         (Target_arm::Target_arm): Handle R_ARM_V4BX.
47         (Stub_table::relocate_stubs): Likewise.
48         (Stub_table::do_write): Likewise.
49         (Stub_table::update_data_size_and_addralign): Likewise.
50         (Stub_table::finalize_stubs):  Likewise.
51         (Target_arm::Scan::local): Likewise.
52         (Target_arm::Scan::global): Likewise.
53         (Target_arm::do_finalize_sections): Likewise.
54         (Target_arm::Relocate::relocate): Likewise.
55         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
56         Likewise.
57         (Target_arm::scan_reloc_for_stub): Likewise.
58         (Target_arm::scan_reloc_section_for_stubs): Likewise.
60 2010-01-19  Ian Lance Taylor  <iant@google.com>
62         * output.cc (Output_section_headers::do_sized_write): Write large
63         segment count to sh_info field.
64         (Output_file_header::do_sized_write): For large segment count,
65         write PN_XNUM to e_phnum field.
67 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
69         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
70         (Arm_relocate_functions::thm_jump8): New function.
71         (Arm_relocate_functions::thm_jump11): New function.
72         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
73         R_ARM_THM_JUMP11.
74         (Target_arm::Scan::global): Likewise.
75         (Target_arm::Relocate::relocate): Likewise.
76         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
77         Likewise.
79 2010-01-14  Doug Kwan  <dougkwan@google.com>
81         * arm.cc (map, utility): Include headers.
82         (Target_arm::apply_cortex_a8_workaround): New method.
83         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
84         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
85         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
86         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
87         the --[no-]fix-cortex-a8 command line options.
88         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
89         (Target_arm::relocate_stub): Use addend in instruction template.
90         * options.h (DEFINE_bool): Set the user-set flag.
91         (General_options): Add --[no-]-fix-cortex options.
92         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
93         : Update fast look-up map after conversion. 
95 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
97         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
98         in the first pass of do_layout.
100 2010-01-13  Doug Kwan  <dougkwan@google.com>
102         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
103         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
104         apparent compiler problem of not folding static constant integral
105         data members of elfcpp::Elf_sizes<32>.
107 2010-01-13  Doug Kwan  <dougkwan@google.com>
109         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
110         Arm_relobj::section_needs_cortex_a8_stub_scanning,
111         Arm_relobj::scan_section_for_cortex_a8_erratum,
112         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
113         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
114         sections to scan for relocation stubs into a new method
115         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
116         relocation and Cortex-A8 stub scanning.
117         (Target_arm::do_relax): Force stubs to be after stubbed sections
118         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
119         the beginning of a new relaxation pass.  Update a comment. 
120         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
122 2010-01-12  Ian Lance Taylor  <iant@google.com>
124         * target-reloc.h (visibility_error): New inline function.
125         (relocate_section): Call visibility_error.
126         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
127         (MOSTLYCLEANFILES): Likewise.
128         (protected_4_pic.o, protected_3.err): New targets.
129         * testsuite/protected_4.cc: New file.
131 2010-01-12  Doug Kwan  <dougkwan@google.com>
133         * arm.cc (Cortex_a8_reloc): New class.
134         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
135         and cortex_a8_relocs_info_.
136         (Target_arm::fix_cortex_a8): New method definition.
137         (Target_arm::Cortex_a8_relocs_info): New type.
138         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
139         New data member declarations.
140         (Target_arm::scan_reloc_for_stub): Record information about
141         relocations for THUMB branches that might be exempted from the
142         Cortex-A8 workaround.
143         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
144         at the beginning of a relaxation pass.
146 2010-01-12  Doug Kwan  <dougkwan@google.com>
148         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
149         (Arm_relobj::Mapping_symbol_position,
150          Arm_reloj::Mapping_symbol_position_less,
151          Arm_relobj::Mapping_symbols_info): New types.
152         (Target_arm::is_mapping_symbol_name): New method definition.
153         (Arm_relobj::do_count_local_symbols): Save information about mapping
154         symbols.
156 2010-01-11  Doug Kwan  <dougkwan@google.com>
158         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
159         Arm_relocate_functions::thumb32_branch_upper,
160         Arm_relocate_functions::thumb32_branch_lower,
161         Arm_relocate_functions::thumb32_cond_branch_offset,
162         Arm_relocate_functions::thumb32_cond_branch_upper,
163         Arm_relocate_functions::thumb32_cond_branch_lower,
164         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
165         branch offset encoding.
166         (Arm_relocate_functions::thumb_branch_common): Use new branch
167         offset encoding methods to avoid code duplication.
168         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
169         (Stub_addend_reader::operator()): Use new branch encoding method
170         to avoid code duplication.
172 2010-01-11  Doug Kwan  <dougkwan@google.com>
174         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
175         (Target_arm::do_finalize_sections): Define special EXIDX section
176         symbols only if referenced.
177         * gc.h (Garbage_collection::add_reference): New method.
178         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
179         code duplication.
181 2010-01-11  Ian Lance Taylor  <iant@google.com>
183         * script.cc (Version_script_info::build_expression_list_lookup):
184         Change complaing about duplicate wildcard match from error to
185         warning.
187         * script.cc (class Lazy_demangler): Recreate--revert part of patch
188         of 2009-12-30.
189         (Version_script_info::Version_script_info): Initialize globs_,
190         default_version_, default_is_global_, and exact_.  Don't
191         initialize globals_ or locals_.
192         (Version_script_info::build_lookup_tables): Build local symbols
193         first.
194         (Version_script_info::unquote): New function.
195         (Version_script_info::add_exact_match): New function.
196         (Version_script_info::build_expression_list_lookup): Remove lookup
197         parameter.  Add is_global parameter.  Change all callers.  Handle
198         wildcard pattern specially.  Unquote pattern.  Call
199         add_exact_match.
200         (Version_script_info::get_name_to_match): New function.
201         (Version_script_info::get_symbol_version): New function.
202         (Version_script_info::get_symbol_version_helper): Remove.
203         (Version_script_info::check_unmatched_names): Call unquote.
204         * script.h (class Version_script_info): Change get_symbol_version
205         to be non-inline and add is_global parameter; change all callers.
206         Rewrite symbol_is_local.  Update declarations.  Define struct
207         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
208         Remove globals_ and locals_ members.  Add exact_, globs_,
209         default_version_, is_global_.
210         (Version_script_info::Glob): Remove pattern, add expression and
211         is_global.  Update constructor.  Change all callers.
212         * dynobj.cc (Versions::finalize): Mark the version symbol as the
213         default version.
214         (Versions::symbol_section_contents): If a symbol is undefined, or
215         defined in a dynamic object, set the version index to
216         VER_NDX_LOCAL.
217         * symtab.cc (Symbol_table::add_from_relobj): Don't call
218         symbol_is_local.
219         (Symbol_table::add_from_pluginobj): Likewise.
220         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
222 2010-01-11  Doug Kwan  <dougkwan@google.com>
224         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
225         (incremental_dump_LDADD): Add linking option for libintl.
226         * Makefile.in: Regenerate.
228 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
230         PR gold/11144
231         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
232         instead of -Ds.
233         * testsuite/Makefile.in: Regenerated.
235 2010-01-10  Doug Kwan  <dougkwan@google.com>
237         * options.h (DEFINE_var): Use parentheses around argument varname__
238         in macro body to avoid any unintended subsequent substitutions.
240 2010-01-10  Ian Lance Taylor  <iant@google.com>
242         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
243         candidates before doing symbol resolution.
245         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
246         ODR candidates if only one is weak.
248 2010-01-08  Ian Lance Taylor  <iant@google.com>
250         * script.cc (Version_script_info::build_expression_list_lookup):
251         Don't warn about ambiguous version, just record the ambiguity.
252         (Version_script_info::get_symbol_version_helper): Give error if
253         version is ambiguous.
255 2010-01-08  Doug Kwan  <dougkwan@google.com>
257         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
258           prev_data_size_ and prev_addralign_.  Remove initializer for
259           deleted data member has_been_changed_.
260           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
261           to determine if the table is empty.
262           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
263           Remove.
264           (Stub_table::add_reloc_stub): Define method in class definition
265           instead of just declaring it there.
266           (Stub_table::add_cortex_a8_stub): New method definition.
267           (Stub_table::update_data_size_and_addralign): Ditto.
268           (Stub_table::finalize_stubs): Ditto.
269           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
270           (Stub_table::do_addralign_): Return address alignment in the
271           (Stub_table::do_reset_address_and_file_offset): Define method in
272           class definition instead of declaring it there.  Set current data
273           size to be the data size of the previous pass.
274           (Stub_table::set_final_data_size): Use current data size as the
275           final data size.
276           (Stub_table::relocate_stub): Change parameter type of stub from
277           Reloc_stub pointer to Stub pointer.
278           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
279           (Stub_table::Cortex_a8_stub_list): New typedef.
280           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
281            Stub_table::prev_addralign_): New data member.
282           (Arm_relobj::Arm_relobj): Initialize data member
283           section_has_cortex_a8_workaround_.
284           (Arm_relobj::section_has_cortex_a8_workaround,
285            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
286            definitions.
287           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
288           declarations.
289           (Target_arm::relocate_stub): Change parameter type of stub from
290           Reloc_stub pointer to Stub pointer.
291           (Insn_template::size, Insn_template::alignment): Handle
292           THUMB16_SPECIAL_TYPE.
293           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
294            Stub_table::update_data_size_and_addralign,
295            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
296           definitions.
297           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
298           (Stub_table::do_write): Ditto.
299           (Target_arm::do_relax): Adjust code for changes in Stub_table.
301 2010-01-08  Ian Lance Taylor  <iant@google.com>
303         PR 11108
304         * symtab.h (class Symbol): Remove fields is_target_special_ and
305         has_plt_offset_.  Add field is_defined_in_discarded_section_.
306         (Symbol::is_defined_in_discarded_section): New function.
307         (Symbol::set_is_defined_in_discarded_section): New function.
308         (Symbol::has_plt_offset): Rewrite.
309         (Symbol::set_plt_offset): Verify that new offset is not -1U.
310         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
311         Don't initialize is_target_special_ or has_plt_offset_.
312         Initialize is_defined_in_discarded_section_.
313         (Symbol_table::add_from_relobj): If appropriate, set
314         is_defined_in_discarded_section.
315         * resolve.cc (Symbol::override_base_with_special): Don't test
316         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
317         * target-reloc.h (relocate_section): Do special handling for
318         symbols defined in discarded sections for global symbols as well
319         as local symbols.
321 2010-01-08  Ian Lance Taylor  <iant@google.com>
323         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
324         the SHT_SYMTAB case.
326 2010-01-08  Ian Lance Taylor  <iant@google.com>
328         * object.cc (Sized_relobj::do_layout): Don't get confused if
329         layout_eh_frame returns NULL.
331 2010-01-08  Ian Lance Taylor  <iant@google.com>
333         PR 11084
334         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
335         dynamic symbol table, use the normal symbol table.
336         (Sized_dynobj::do_read_symbols): Remove assertion about type of
337         symbol table.
339 2010-01-08  Ian Lance Taylor  <iant@google.com>
341         PR 11072
342         * layout.cc (Layout::include_section): Remove .gnu_debuglink
343         sections.
345 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
347         * version.cc (print_version): Change to "Copyright 2010".
349 2010-01-08  Ian Lance Taylor  <iant@google.com>
351         PR 10287
352         PR 11063
353         * i386.cc (class Target_i386): Change return type of plt_section
354         to be non-const.
355         (class Output_data_plt_i386): Add tls_desc_rel_ field.
356         (Output_data_plt_i386::Output_data_plt_i386): Initialize
357         tls_desc_rel_ field.
358         (Output_data_plt_i386::rel_tls_desc): New function.
359         (Target_i386::rel_tls_desc_section): New function.
360         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
361         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
362         R_386_TLS_DESC reloc in rel_tls_desc_section.
363         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
364         Define struct Tlsdesc_info.
365         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
366         (Target_x86_64::do_reloc_symbol_index): New function.
367         (Target_x86_64::add_tlsdesc_info): New function.
368         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
369         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
370         tlsdesc_rel_ field.
371         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
372         all callers.
373         (Output_data_plt_x86_64::rela_tlsdesc): New function.
374         (Target_x86_64::rela_tlsdesc_section): New function.
375         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
376         handling.
377         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
378         (Target_x86_64::do_reloc_addend): New function.
379         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
380         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
381         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
382         (Output_reloc::type): New function.
383         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
384         (Output_reloc::is_target_specific): New function.
385         (Output_reloc::target_arg): New function.
386         (class Output_reloc) [SHT_RELA]: Add four new constructors for
387         absolute relocs and target specific relocs.
388         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
389         add_target_specific.
390         (class Output_data_reloc) [SHT_RELA]: Likewise.
391         * output.cc (Output_reloc::Output_reloc): Add four new versions
392         for absolute relocs and target specific relocs.
393         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
394         (Output_reloc::get_symbol_index): Likewise.
395         (Output_reloc::local_section_offset): Check that local_sym_index_
396         is not TARGET_CODE or 0.
397         (Output_reloc::symbol_value): Likewise.
398         (Output_reloc::write) [SHT_RELA]: Call target for target specific
399         reloc.
400         * target.h (class Target): Add reloc_symbol_index and reloc_addend
401         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
402         functions.
403         * layout.cc (add_target_dynamic_tags): Use output section for
404         DT_PLTRELSZ and DT_JMPREL.
406 2010-01-07  Ian Lance Taylor  <iant@google.com>
408         PR 11061
409         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
410         function.
411         (class Output_data_reloc_generic): Define.
412         (class Output_data_reloc_base): Change base class to
413         Output_data_reloc_generic.  Change add() method to call
414         bump_relative_reloc_count for a relative reloc.  Remove
415         sort_relocs_ field.
416         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
417         to sort_relocs().
418         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
419         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
420         appropriate.
421         * layout.h (class Layout): Update declaration.
423 2010-01-07  Ian Lance Taylor  <iant@google.com>
425         * output.h (class Output_data): Add const version of
426         output_section and do_output_section.
427         (class Output_section_data): Add const version of
428         do_output_section.
429         (class Output_section): Likewise.
430         * layout.cc (Layout::add_target_dynamic_tags): New function.
431         * layout.h (class Layout): Update declarations.
432         * arm.cc (Target_arm::do_finalize_sections): Use
433         add_target_dynamic_tags.
434         * i386.cc (Target_i386::do_finalize_sections): Likewise.
435         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
436         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
437         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
439 2010-01-07  Ian Lance Taylor  <iant@google.com>
441         PR 11042
442         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
443         object as needed.
445 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
446             Ian Lance Taylor  <iant@google.com>
448         PR 11019
449         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
450         Xindex::read_symtab_xindex.
452 2010-01-07  Doug Kwan  <dougkwan@google.com>
454         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
455         (Insn_template::thumb16_bcond_insn): New method declaration.
456         (Insn_template): Fix spelling.
457         (Stub::thumb16_special): New method declaration.
458         (Stub::do_write): Define virtual method which was previously pure
459         virtual.
460         (Stub::do_thumb16_special): New method declaration.
461         (Stub::do_fixed_endian_write): New template member.
462         (Reloc_stub::do_write): Remove.
463         (Reloc_stub::do_fixed_endian_write): Remove.
464         (Cortex_a8_stub): New class definition.
465         (Stub_factory::make_cortex_a8_stub): New method definition.
466         (Stub_factory::Stub_factory): Add missing static storage class
467         qualifier for elf32_arm_stub_a8_veneer_blx.
469 2010-01-07  Ian Lance Taylor  <iant@google.com>
471         PR 10980
472         * options.h (class General_options): Add --warn-unresolved-symbols
473         and --error-unresolved-symbols.
474         * errors.cc (Errors::undefined_symbol): Implement
475         --warn-unresolved-symbols.
477         * options.h (class General_options): Add -z text and -z textoff.
478         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
480 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
482         * gc.h (Garbage_collection::Cident_section_map): New typedef.
483         (Garbage_collection::cident_sections): New function.
484         (Garbage_collection::add_cident_section): New function.
485         (Garbage_collection::cident_sections_): New member.
486         (gc_process_relocs): Add references to sections whose names are C
487         identifiers.
488         * gold.h (cident_section_start_prefix): New constant.
489         (cident_section_stop_prefix): New constant.
490         (is_cident): New function.
491         * layout.cc (Layout::define_section_symbols): Replace string constants
492         with the newly defined constants.
493         * object.cc (Sized_relobj::do_layout): Track sections whose names are
494         C identifiers.
495         * testsuite/Makefile.am: Add gc_orphan_section_test.
496         * testsuite/Makefile.in: Regenerate.
497         * testsuite/gc_orphan_section_test.cc: New file.
498         * testsuite/gc_orphan_section_test.sh: New file.
500 2010-01-06  Ian Lance Taylor  <iant@google.com>
502         PR 10980
503         * options.h (class General_options): Add --warn-shared-textrel.
504         * layout.cc (Layout::finish_dynamic_section): Implement
505         --warn-shared-textrel.
507         PR 10980
508         * options.h (class General_options): Add --warn-multiple-gp.
510 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
512         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
513         $(THREADSLIB) and $(LIBDL).
514         * Makefile.in: Rebuild.
516 2010-01-06  Ian Lance Taylor  <iant@google.com>
518         PR 10980
519         * options.cc (General_options::parse_section_start): New function.
520         (General_options::section_start): New function.
521         (General_options::General_options): Initialize all members.
522         * options.h: Include <map>
523         (class General_options): Add --section-start.  Add section_starts_
524         member.
525         * layout.cc (Layout::attach_allocated_section_to_segment): If
526         --section-start was used, set the address of the segment.  Remove
527         local sort_sections.
528         (Layout::relaxation_loop_body): If the address of the load segment
529         has been set by --section-start, don't use it.
530         * output.h (Output_segment::update_flags_for_output_section): New
531         function.
532         * output.cc (Output_segment::add_output_section): Call
533         update_flags_for_output_section.
535 2010-01-05  Ian Lance Taylor  <iant@google.com>
537         PR 10980
538         * options.h (class General_options): Add --undefined-version.
539         * script.cc (struct Version_expression): Add was_matched_by_symbol
540         field.
541         (Version_script_info::matched_symbol): New function.
542         (Version_script_info::get_symbol_version_helper): Call
543         matched_symbol.
544         (Version_script_info::check_unmatched_names): New function.
545         * script.h (class Version_script_info): Update declarations.
546         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
548         * options.h (class General_options): Use DEFINE_bool_alias for
549         allow_multiple_definition.
550         * resolve.cc (Symbol_table::should_override): Don't test
551         allow_multiple_definition.
553         PR 10980
554         * options.h (class General_options): Add --cref.
555         * main.cc (main): Print cref table if --cref.  Don't close mapfile
556         until after printing cref table.
557         * cref.cc: Include "symtab.h".
558         (class Cref_inputs): Define Cref_table_compare and Cref_table.
559         (Cref_table_compare::operator()): New function.
560         (Cref_inputs::gather_cref): New function.
561         (filecol): New static const.
562         (Cref_inputs::print_cref): New function.
563         (Cref::print_cref): New function.
564         * cref.h: Include <cstdio>.
565         (class Cref): Update declarations.
566         * mapfile.h (Mapfile::file): New function.
567         * object.h (class Object): Define Symbols.  Declare virtual
568         do_get_global_symbols.
569         (Object::get_global_symbols): New function.
570         * object.cc (Input_objects::add_object): Pass object to cref_ if
571         --cref.
572         (Input_objects::archive_start): Likewise.
573         (Input_objects::archive_stop): Likewise.
574         (Input_objects::print_cref): New function.
575         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
576         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
577         --cref.
578         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
579         function.
580         * plugin.h (class Sized_pluginobj): Update declarations.
582 2010-01-05  Ian Lance Taylor  <iant@google.com>
584         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
585         to is_default_version.  Rename insdef to insdefault.
586         (Symbol_table::add_from_relobj): Rename def to is_default_version
587         and local to is_forced_local.
588         (Symbol_table::add_from_pluginobj): Likewise.
589         (Symbol_table::add_from_dynobj): Likewise.
590         (Symbol_table::define_special_symbol): Rename insdef to
591         insdefault.
593 2010-01-04  Ian Lance Taylor  <iant@google.com>
595         PR 10980
596         * options.h (class General_options): Add
597         --allow-multiple-definition and -z muldefs.
598         * resolve.cc (Symbol_table::should_override): Don't warn about a
599         multiple symbol definition if --allow-multiple-definition or -z
600         muldefs.
602         PR 10980
603         * options.h (class General_options): Add --add-needed and
604         --copy-dt-needed-entries.  Tweak --as-needed help entry.
605         * object.cc (Input_objects::check_dynamic_dependencies): Give an
606         error if --copy-dt-needed-entries aka --add-needed is used and
607         would cause a change in behaviour.
609         PR 10980
610         * options.h (class General_options): Add -G as a short version of
611         --shared.  Add no-op options -assert, -g, and -i.
613 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
615         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
616         check for .text or .gnu.linkonce.t sections.
617         * icf.cc (Icf::find_identical_sections): Ditto.
618         Change the detection for mangled function name within the section
619         name.
620         * icf.h (is_section_foldable_candidate): New function.
622 2009-12-30  Ian Lance Taylor  <iant@google.com>
624         PR 10980
625         * options.h (class General_options): Permit two dashes with
626         --retain-symbols-file.
628 2009-12-30  Ian Lance Taylor  <iant@google.com>
630         PR 10979
631         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
632         don't put the file header and segment headers in the text
633         segment.
635         PR 10979
636         * common.cc (Sort_commons::operator()): Stabilize sort when both
637         entries are NULL.
638         (Symbol_table::do_allocate_commons_list): When allocating common
639         symbols, skip a symbol which is no longer common.
640         * symtab.h (Symbol::is_common): Test whether the symbol comes from
641         an object before checking its type.
642         * testsuite/common_test_2.c: New file.
643         * testsuite/common_test_3.c: New file.
644         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
645         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
646         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
647         (common_test_2_pic.o, common_test_2.so): New targets.
648         (common_test_3_pic.o, common_test_3.so): New targets.
649         * testsuite/Makefile.in: Rebuild.
651         PR 10979
652         * script.cc (read_input_script): If we see a new SECTIONS clause,
653         and we have added an input section, give an error.
654         * layout.h (class Layout): Add have_added_input_section function.
655         Add have_added_input_section_ field.
656         * layout.cc (Layout::Layout): Initialize
657         have_added_input_section_.
658         (Layout::layout): Set have_added_input_section_.
659         (Layout::layout_eh_frame): Likewise.
661 2009-12-30  Ian Lance Taylor  <iant@google.com>
663         PR 10931
664         * options.h (class General_options): Add --sort-common option.
665         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
666         * common.cc (Sort_common): Add sort_order parameter to
667         constructor.  Add sort_order_ field.
668         (Sort_commons::operator): Check sort_order_.
669         (Symbol_table::allocate_commons): Determine the sort order.
670         (Symbol_table::do_allocate_commons): Add sort_order parameter.
671         Change all callers.
672         (Symbol_table::do_allocate_commons_list): Likewise.
674 2009-12-30  Ian Lance Taylor  <iant@google.com>
676         PR 10916
677         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
678         symbols from this object, don't change the visibility of an
679         undefined symbol.
680         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
682 2009-12-30  Ian Lance Taylor  <iant@google.com>
684         PR 10861
685         * script.h (class Version_script_info): Define Language enum.
686         Update declarations.  Define Glob, Exact, and Lookup types.  Add
687         new fields globals_, locals_, and is_finalized_.
688         * script.cc: Various formatting fixes.
689         (class Parser_closure): Change language_stack_ from a vector of
690         std::string to one of Version_script_info::Language.  Adjust all
691         uses accordingly.
692         (class Lazy_demangler): Remove.
693         (struct Version_expression): Change language from std::string to
694         Version_script_info::Language.
695         (Version_script_info::Version_script_info): New function.
696         (Version_script_info::~Version_script_info): Don't call clear.
697         (Version_script_info::finalize): New function.
698         (Version_script_info::build_lookup_tables): New function.
699         (Version_script_info::build_expression_list_lookup): New
700         function.
701         (Version_script_info::get_symbol_version_helper): Rewrite to use
702         lookup tables.
703         (Version_script_info::print_expression_list): Adjust to use
704         Version_script_info::Language.
705         (script_push_lex_into_version_mode): Check that the version script
706         has not been finalized.
707         (version_script_push_lang): Change language string to
708         Version_script_info::Language.
709         * options.cc (Command_line::version_script): New function.
710         * options.h (class General_options): Add finalize_dynamic_list
711         function.  Change version_script from declaration to definition.
712         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
713         * testsuite/version_script.map: Remove duplicate def of foo.
714         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
715         version_script.map.
716         * testsuite/Makefile.in: Rebuild.
718 2009-12-30  Ian Lance Taylor  <iant@google.com>
720         PR 10843
721         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
722         if the input symbol index is 0, make the output symbol index 0.
724 2009-12-30  Ian Lance Taylor  <iant@google.com>
726         PR 10670
727         * options.h (class General_options): Add -x/--discard-all.
728         * object.cc (Sized_relobj::do_count_local_symbols): Handle
729         --discard-all.  If the local symbol needs a dynamic entry, check
730         that before handling --discard-locals.
732 2009-12-30  Ian Lance Taylor  <iant@google.com>
734         PR 10450
735         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
736         flags to PF_R.
737         (Output_segment::add_output_section): Don't change the flags if
738         the type is PT_TLS.
740         PR 10450
741         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
742         GNU hash table if they need a dynamic value.  Otherwise, don't add
743         them if they are defined in a dynamic object or are forced local.
745 2009-12-29  Ian Lance Taylor  <iant@google.com>
747         PR 10450
748         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
749         .gnu.hash table for a 32-bit target.
751         PR 10450
752         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
753         regular and a dynamic object only needs a dynamic symbol table
754         entry if it is externally visible.
756         PR 10450
757         * i386.cc (class Target_i386): Initialize global_offset_table_ in
758         constructor.  Add global_offset_table_ field.
759         (Target_i386::got_section): Set global_offset_table_.
760         (Target_i386::do_finalize_sections): Set global_offset_table_
761         size.
762         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
763         in constructor.  Add global_offset_table_ field.
764         (Target_x86_64::got_section): Set global_offset_table_.
765         (Target_x86_64::do_finalize_sections): Set global_offset_table_
766         size.
768         * layout.cc (Layout::Layout): Initialize increase_relro_.
769         (Layout::get_output_section): Add is_relro, is_last_relro, and
770         is_first_non_relro parameters.  Change all callers.
771         (Layout::choose_output_section): Likewise.
772         (Layout::add_output_section_data): Likewise.
773         (Layout::make_output_section): Likewise.
774         (Layout::set_segment_offsets): Clear increase_relro when using a
775         linker script.
776         * layout.h (class Layout): Add increase_relro method.  Add
777         increase_relro_ field.  Update declarations.
778         * output.cc (Output_section::Output_section): Initialize
779         is_last_relro_ and is_first_non_relro_.
780         (Output_segment::add_output_section): Group relro sections is
781         do_sort is true.  Handle is_last_relro and is_first_non_relro.
782         (Output_segment::maximum_alignment): Remove relro handling.
783         (Output_segment::set_section_addresses): Add increase_relro
784         parameter.  Change all callers.  Add initial alignment to align
785         relro sections on separate page.  Remove old relro handling.
786         (Output_segment::set_section_list_addresses): Remove in_relro
787         parameter.  Change all callers.
788         (Output_segment::set_offset): Add increase parameter.  Change all
789         callers.  Remove old relro handling.
790         * output.h (class Output_section): Add new methods: is_last_relro,
791         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
792         Add is_last_relro_ and is_first_non_relro_ fields.
793         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
794         Create separate .got.plt section.  Call increase_relro.
795         * x86_64.cc (Target_x86_64::got_section): Likewise.
796         * testsuite/relro_script_test.t: Add .got.plt.
798         PR 10450
799         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
800         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
801         (Layout::finalize): Call set_dynamic_symbol_size.
802         (Layout::set_dynamic_symbol_size): New function.
803         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
804         set_dynamic_symbol_size.
806         PR 10450
807         * output.h (class Output_section): Add is_entsize_zero_ field.
808         * output.cc (Output_section::Output_section): Initialize
809         is_entsize_zero_.
810         (Output_section::set_entsize): If two different entsizes are
811         requested, force it to zero.
812         (Output_section::add_input_section): Set flags for .debug_str
813         before updating section flags.  Set entsize.
814         (Output_section::update_flags_for_input_section): Set SHF_MERGE
815         and SHF_STRING if all input sections have those flags.
817 2009-12-29   Rafael Espindola  <espindola@google.com>
819         * main.cc (main): Fix the sys time reporting.
820         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
821         reporting.
823 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
825         * options.cc (General_options::parse_version): Allow -v to exit
826         without an error if there is nothing to link.
828 2009-12-29  Ian Lance Taylor  <iant@google.com>
830         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
831         using a version of gcc before 4.1.
832         * configure: Rebuild.
834 2009-12-28  Chris Demetriou  <cgd@google.com>
836         * attributes.cc (Output_attributes_section_data::do_write): Use
837         std::vector::front rather than std::vector::data.
839 2009-12-28  Ian Lance Taylor  <iant@google.com>
841         * symtab.h (class Symbol_table): Add enum Defined.
842         * resolve.cc (Symbol_table::should_override): Add defined
843         parameter.  Change all callers.  Test whether object is NULL
844         before calling a method on it.
845         (Symbol_table::report_resolve_problem): Add defined parameter.
846         Change all callers.
847         (Symbol_table::should_override_with_special): Likewise.
848         * symtab.cc (Symbol_table::define_in_output_data): Add defined
849         parameter.  Change all callers.
850         (Symbol_table::do_define_in_output_data): Likewise.
851         (Symbol_table::define_in_output_segment): Likewise.
852         (Symbol_table::do_define_in_output_segment): Likewise.
853         (Symbol_table::define_as_constant): Likewise.
854         (Symbol_table::do_define_as_constant): Likewise.
855         * script.h (class Symbol_assignment): Add is_defsym parameter to
856         constructor; change all callers.
857         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
858         parameter.  Change all callers.  Add is_defsym_ field.
859         (class Parser_closure): Add parsing_defsym parameter to
860         constructor; change all callers.  Add parsing_defsym accessor
861         function.  Add parsing_defsym_ field.
863 2009-12-28  Ian Lance Taylor  <iant@google.com>
865         * gold.cc (queue_middle_tasks): Fix formatting.
866         * object.cc (Relobj::is_section_name_included): Likewise.
868 2009-12-23  Ian Lance Taylor  <iant@google.com>
870         * i386.cc (Target_i386::do_calls_non_split): Recognize
871         -fsplit-stack prologue for a function with a static chain.
872         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
873         -fsplit-stack prologue when using %r11.
875 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
877         * options.cc (General_options::parse_version): Make -v continue and do
878         the link like GNU ld does.
880 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
882         * Makefile.am (CCFILES): Add timer.cc.
883         (HFILES): Add timer.h.
884         * configure.ac: Check for sysconf and times.
885         * main.cc: include timer.h.
886         (main): Use Timer instead of get_run_time.
887         * timer.cc: New.
888         * timer.h: New.
889         * workqueue.cc: include timer.h.
890         (Workqueue::find_and_run_task):
891         Report user, sys and wall time.
892         * Makefile.in: Regenerate.
893         * config.in: Regenerate.
894         * configure: Regenerate.
896 2009-12-16  Doug Kwan  <dougkwan@google.com>
898         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
899         sections.
900         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
901         relaxed input sections.
902         * output.cc (Output_section::find_relaxed_input_section): Change
903         return type to Output_relaxed_input_section pointer.  Adjust code
904         for new type of relaxed_input_section_map_.
905         * output.h (Output_section::find_relaxed_input_section): Change
906         return type to Output_relaxed_input_section pointer.
907         (Output_section::Output_relaxed_input_section_by_input_section_map):
908         New type.
909         (Output_section::relaxed_input_section_map_): Change type to
910         Output_section::Output_relaxed_input_section_by_input_section_map.
911         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
912         input section.
914 2009-12-15  Ian Lance Taylor  <iant@google.com>
916         * layout.cc (Layout::create_shstrtab): Only write out after input
917         sections if we are compressing debug sections.
919 2009-12-15  Ian Lance Taylor  <iant@google.com>
921         * archive.cc (Archive::add_symbols): Only look up a symbol without
922         a version if there is, in fact, a version.
924 2009-12-14  Ian Lance Taylor  <iant@google.com>
926         Revert -Wshadow changes, all changes from:
927         2009-12-11  Doug Kwan  <dougkwan@google.com>
928         2009-12-11  Nick Clifton  <nickc@redhat.com>
929         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
931 2009-12-11  Doug Kwan  <dougkwan@google.com>
933         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
934         due to -Wshadow.
935         * attributes.cc (Object_attribute::size): Ditto.
936         (Attributes_section_data::size): Ditto.
937         (Attributes_section_data::Attributes_section_data): Ditto.
938         (Output_attributes_section_data::do_write): Ditto.
939         * attributes.h (Object_attribute::set_type): Ditto.
940         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
942 2009-12-11  Nick Clifton  <nickc@redhat.com>
944         * archive.cc: Fix shadowed variable warnings.
945         * arm.cc: Likewise.
946         * compressed_output.cc: Likewise.
947         * compressed_output.h: Likewise.
948         * configure: Likewise.
949         * dwarf_reader.cc: Likewise.
950         * dynobj.cc: Likewise.
951         * dynobj.h: Likewise.
952         * ehframe.cc: Likewise.
953         * ehframe.h: Likewise.
954         * errors.cc: Likewise.
955         * expression.cc: Likewise.
956         * fileread.cc: Likewise.
957         * fileread.h: Likewise.
958         * freebsd.h: Likewise.
959         * i386.cc: Likewise.
960         * icf.cc: Likewise.
961         * incremental.h: Likewise.
962         * layout.cc: Likewise.
963         * layout.h: Likewise.
964         * mapfile.cc: Likewise.
965         * merge.cc: Likewise.
966         * merge.h: Likewise.
967         * object.cc: Likewise.
968         * object.h: Likewise.
969         * options.h: Likewise.
970         * output.cc: Likewise.
971         * output.h: Likewise.
972         * parameters.cc: Likewise.
973         * plugin.cc: Likewise.
974         * powerpc.cc: Likewise.
975         * reduced_debug_output.cc: Likewise.
976         * reduced_debug_output.h: Likewise.
977         * reloc.cc: Likewise.
978         * reloc.h: Likewise.
979         * resolve.cc: Likewise.
980         * script-sections.cc: Likewise.
981         * script.cc: Likewise.
982         * script.h: Likewise.
983         * sparc.cc: Likewise.
984         * symtab.cc: Likewise.
985         * symtab.h: Likewise.
986         * target-select.cc: Likewise.
987         * target-select.h: Likewise.
988         * token.h: Likewise.
989         * workqueue.cc: Likewise.
990         * workqueue.h: Likewise.
991         * x86_64.cc: Likewise.
993 2009-12-10  Doug Kwan  <dougkwan@google.com>
995         * arm.cc (attributes.h): New include.
996         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
997         (Arm_relobj::~Arm_relobj): Delete object pointed by
998         attributes_section_data_.
999         (Arm_relobj::attributes_section_data): New method definition.
1000         (Arm_relobj::attributes_section_data_): New data member declaration.
1001         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1002         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1003         attributes_section_data_.
1004         (Arm_dynobj::attributes_section_data): New method definition.
1005         (Arm_dynobj::attributes_section_data_): New data member declaration.
1006         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
1007         initialization value of may_use_blx_ to false.
1008         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1009         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1010         object attributes to compute results instead of hard-coding.
1011         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1012         Target_arm::get_secondary_compatible_arch,
1013         Target_arm::set_secondary_compatible_arch
1014         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1015         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1016         New method declarations.
1017         (Target_arm::get_aeabi_object_attribute): New method definition.
1018         (Target_arm::attributes_section_data_): New data member declaration.
1019         (read_arm_attributes_section): New template definition.
1020         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1021         (Arm_dynobj::do_read_symbols): Ditto.
1022         (Target_arm::do_finalize_sections): Merge attributes sections from
1023         input.  Check for BLX use after attributes section merging.
1024         Fix __exidx_start and __exidx_end visibility.  Create an
1025         .ARM.attributes section if necessary.
1026         (Target_arm::get_secondary_compatible_arch,
1027         Target_arm::set_secondary_compatible_arch,
1028         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1029         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1030         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
1031         New method definitions.
1033 2009-12-09  Ian Lance Taylor  <iant@google.com>
1035         * plugin.cc (Plugin::load): Don't cast from void* to a function
1036         pointer.
1038 2009-12-09  Ian Lance Taylor  <iant@google.com>
1040         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1041         information fields.
1043 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
1045         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1046         Replace two_file_shared_1.so with two_file_shared_2.so.
1047         * testsuite/Makefile.in: Regenerated.
1049 2009-12-08  Doug Kwan  <dougkwan@google.com>
1051         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1052         (HFILES): Add attributes.h and int_encoding.h.
1053         * Makefile.in: Regenerate.
1054         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1055         function definitions to int_encoding.cc
1056         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1057         prototypes to int_encoding.h
1058         * reduced_debug_output.cc (int_encoding.h): New include.
1059         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1060         function definitions to int_encoding.cc
1061         (insert_into_vector, read_from_pointer): Move template definitions to
1062         int_encoding.h
1063         * attributes.cc: New file.
1064         * attributes.h: New file.
1065         * int_encoding.cc: New file.
1066         * int_encoding.h: New file.
1068 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
1070         PR gold/11055
1071         * incremental-dump.cc (dump_incremental_inputs): New.
1072         (main): Use dump_incremental_inputs.
1074 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
1076         PR gold/10893
1077         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1078         checking elfcpp::STT_FUNC.
1079         (Target_i386::Relocate::relocate): Likewise.
1080         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1082         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1083         symbols from shared libraries into normal FUNC symbols.
1085         * symtab.h (Symbol): Add is_func and use it.
1087 2009-12-05  Doug Kwan  <dougkwan@google.com>
1089         * arm.cc (Target_arm::arm_info): Initialize new fields
1090         attributes_section and attributes_vendor.
1091         * i386.cc (Target_i386::i386_info): Same.
1092         * object.cc (Sized_relobj::do_layout): Skip attribute section.
1093         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1094         fields attributes_section and attributes_vendor.
1095         * sparc.cc (Target_sparc::sparc_info): Same.
1096         * target.h (Target::attributes_section, Target::attributes_vendor,
1097         Target::is_attributes_section, Target::attribute_arg_type,
1098         Target::attributes_order): New method definitions.
1099         (Target::Target_info::attributes_section,
1100         Target::Target_info::attributes_vendor): New fields.
1101         (Target::do_attribute_arg_type, Target::do_attributes_order): New
1102         virtual method definitions.
1103         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1104         attributes_section and attributes_vendor.
1105         * testsuite/testfile.cc (Target_test::test_target_info): Same.
1107 2009-12-05  Doug Kwan  <dougkwan@google.com>
1109         * arm.cc: Update comments about interworking and stub generation.
1110         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1111         considered as non-PIC.
1112         (Arm_relocate_functions::base_abs): Fix formatting.
1113         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
1114         of function to use GOT entry address instead of offset.
1115         (Target_arm::Scan::global): Issue an error if a symbol would need a
1116         PLT does not get one because it is untyped.  Remove code to create
1117         dynamic symbols for relative branches.
1118         (Target_arm::Relocate::relocate: Use 0 instead of false since function
1119         takes unsigned integer instead of boolean.
1121 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
1123         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1124         (two_file_test_LDADD): Likewise.
1125         (common_test_1_LDADD): Likewise.
1126         (exception_test_LDADD) Likewise.
1127         (weak_test_LDADD): Likewise.
1128         (many_sections_test_LDADD): Likewise.
1129         (initpri1_LDADD): Likewise.
1130         (script_test_1_LDADD): Likewise.
1131         (script_test_2_LDADD): Likewise.
1132         (justsyms_LDADD): Likewise.
1133         (binary_test_LDADD): Likewise.
1134         (large_LDADD): Likewise.
1135         * testsuite/Makefile.in: Regenerated.
1137 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
1139         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1140         (Symbol_table::override_with_special): Likewise.
1141         (Symbol_table::add_from_object): Likewise.
1143 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1145         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1146         Don't set the data_offset twice.
1148 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1150         * testsuite/Makefile.in: Regenerate.
1152 2009-12-03  Doug Kwan  <dougkwan@google.com>
1154         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1155         (Target_arm::do_finalize_sections): Add parameter for symbol table
1156         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
1157         * i386.cc (Target_i386::do_finalize_sections): Add an additional
1158         parameter for symbol table pointer.
1159         * layout.cc (Layout::finalize): Call Target::finalize_sections with
1160         an additional parameter for a pointer to symbol table.
1161         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1162         parameter for a symbol table pointer.
1163         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1164         * target.h (Target::finalize_sections, Target::do_finalize_sections):
1165         Ditto.
1166         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1167         parameter for a symbol table pointer.
1169 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
1171         * incremental.cc (Incremental_inputs_header)
1172         (Incremental_inputs_header_write, Incremental_inputs_entry)
1173         (Incremental_inputs_entry_write): Move ...
1174         * incremental.h (Incremental_inputs_header)
1175         (Incremental_inputs_header_write, Incremental_inputs_entry)
1176         (Incremental_inputs_entry_write): here.
1178 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1180         * incremental.cc (make_sized_incremental_binary): Set the target.
1181         Error if it is incompatible.
1182         * output.h (Output_file): Add filename method.
1184 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1186         * incremental.cc (Incremental_inputs_entry): Remove unused argument
1187         from the get_* methods.
1189 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1191         * incremental-dump.cc (main): Check that the offeset of a script is 0.
1192         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1193         Write 0 for the data_offset of scripts.
1195 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1197         * testsuite/Makefile.am: Add the incremental_test.sh test.
1198         * testsuite/incremental_test.sh: New.
1199         * testsuite/incremental_test_1.c: New.
1200         * testsuite/incremental_test_2.c: New.
1202 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
1204        * incremental-dump.cc (main): Fix typos.
1206 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
1208         PR gold/11025
1209         * incremental-dump.cc (main): Use llu to print 64 bit values.
1211 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
1212             H.J. Lu  <hongjiu.lu@intel.com>
1214         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
1215         $(LIBDL).
1216         (incremental_dump_LDADD): Likewise.
1217         * Makefile.in: Regenerated.
1219 2009-11-25  Doug Kwan  <dougkwan@google.com>
1220         
1221         Revert:
1223         2009-11-25  Doug Kwan  <dougkwan@google.com>
1225                 * arm.cc (Target_arm::Target_arm): Move method definition
1226                 outside of class definition.  Add code to handle
1227                 --target1-rel, --target1-abs and --target2= options.
1228                 (Target_arm::get_reloc_reloc_type): Change method to be
1229                 non-static and const.
1230                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
1231                 New data member declaration.
1232                 (Target_arm::Scan::local, Target_arm::Scan::global,
1233                 Target_arm::Relocate::relocate,
1234                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1235                 Adjust call to Target_arm::get_real_reloc_type.
1236                 (Target_arm::get_real_reloc_type): Use command line options
1237                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1238                 * options.h (--target1-rel, --target1-abs, --target2): New
1239                 ARM-only options.
1241 2009-11-25  Doug Kwan  <dougkwan@google.com>
1243         * arm.cc (Target_arm::Target_arm): Move method definition outside of
1244         class definition.  Add code to handle --target1-rel, --target1-abs
1245         and --target2= options.
1246         (Target_arm::get_reloc_reloc_type): Change method to be non-static
1247         and const.
1248         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1249         member declaration.
1250         (Target_arm::Scan::local, Target_arm::Scan::global,
1251         Target_arm::Relocate::relocate,
1252         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1253         call to Target_arm::get_real_reloc_type.
1254         (Target_arm::get_real_reloc_type): Use command line options to
1255         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1256         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1257         options.
1259 2009-11-25  Doug Kwan  <dougkwan@google.com>
1261         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1262         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1263         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1264         formatting.
1265         (Arm_relocate_functions::thm_call): Replace body with a call to
1266         Arm_relocate_functions::thumb_branch_common.
1267         (Arm_relocate_functions::thm_jump24,
1268         Arm_relocate_functions::thm_xpc22): New method definitions.
1269         (Arm_relocate_functions::thumb_branch_common): New method definition.
1270         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1271         operator.
1272         (Target_arm::Relocate::relocate): Adjust call to thm_call.
1273         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1275 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1277         * Makefile.am: Build incremental-dump
1278         * Makefile.in: Regenerate.
1279         * incremental-dump.cc: New.
1280         * incremental.cc (Incremental_inputs_header_data,
1281         Incremental_inputs_entry_data): Move to incremental.h
1282         * incremental.h: (Incremental_inputs_header_data,
1283         Incremental_inputs_entry_data): Move from incremental.cc
1285 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1287         * incremental.cc (Incremental_inputs_header,
1288         Incremental_inputs_header_write, Incremental_inputs_entry,
1289         Incremental_inputs_entry_write): Add a typedef with the data type.
1291 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1293         * incremental.cc (Incremental_inputs_header,
1294         Incremental_inputs_header_write, Incremental_inputs_entry,
1295         Incremental_inputs_entry_write): Update comment about which
1296         type has the filed descriptions.
1298 2009-11-15  Doug Kwan  <dougkwan@google.com>
1300         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1301         (Arm_relocate_functions::arm_branch_common): Change method defintion
1302         in class definition to a method declaration and update list of formal
1303         parameters.
1304         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1305         Arm_relocation_functions::jump24): Adjust call to
1306         Arm_relocate_functions::arm_branch_common.  Update list of formal
1307         parameters.
1308         (Arm_relocate_functions::xpc25): New method definition.
1309         (Arm_relocate_functions::arm_branch_common): Move method defintion
1310         out from class definition.  Use stubs for mode-switching and extending
1311         branch ranges.
1312         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
1313         specially.  Change code to enable use of stubs in ARM branches.
1315 2009-11-10  Doug Kwan  <dougkwan@google.com>
1317         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
1318         in method declaration.
1319         (Target_arm::relocate_stub): New method declaration.
1320         (Target_arm::default_target): Change to return a pointer instead of
1321         a const reference.
1322         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
1323         Target_arm::default_target.
1324         (Arm_Relobj::do_relocate_sections): Remove options paramater in
1325         method definition.
1326         (Target_arm::relocate_section): Adjust view.
1327         (Target_arm::relocate_stub): New method definition.
1329 2009-11-10  Doug Kwan  <dougkwan@google.com>
1331         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
1332         a format warning.
1333         * incremental.cc (open_incremental_binary): Initialized local
1334         variables to avoid warnings.
1335         * object.cc (make_elf_object): Ditto.
1336         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
1337         a format warning.
1339 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
1341         PR gold/10930
1342         * testsuite/plugin_test.c: Include "config.h".
1344 2009-11-09  Doug Kwan  <dougkwan@google.com>
1346         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
1347         (arm_symbol_value): Remove.
1348         (Arm_relocate_functions::arm_branch_common,
1349         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
1350         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
1351         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
1352         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
1353         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
1354         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
1355         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
1356         Arm_relocate_functions::thm_mobw_abs_nc,
1357         Arm_relocate_functions::thm_mov_abs,
1358         Arm_relocate_functions::movw_prel_nc,
1359         Arm_relocate_functions::thm_movt_abs,
1360         Arm_relocate_functions::movt_prel,
1361         Arm_relocate_functions::thm_movw_prel_nc,
1362         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
1363         (Target_arm::Relocate::relocate): Only decompose address into two
1364         parts if relocation type uses the thumb-bit and pass the actual
1365         bit instead of a flag indicating that the thumb-bit is used.  Adjust
1366         calls to methods in Arm_relocate_functions for this change.
1368 2009-11-08  Ian Lance Taylor  <iant@google.com>
1370         PR 10925
1371         * reloc.cc: Instantiate
1372         Sized_relobj::initialize_input_to_output_maps and
1373         Sized_relobj:free_input_to_output_maps.
1375 2009-11-06  Ian Lance Taylor  <iant@google.com>
1377         PR 10876
1378         * defstd.cc (in_segment): Set only_if_ref true for "end".
1380 2009-11-06  Doug Kwan  <dougkwan@google.com>
1382         * arm.cc (class Reloc_stub): Correct a comment.
1383         (Target_arm::Target_arm): Initialize arm_input_section_map_.
1384         (Target_arm::scan_section_for_stubs): New method declaration.
1385         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
1386         Change methods from private to protected.
1387         (Target_arm::do_may_relax): New method definition.
1388         (Target_arm::do_relax, Target_arm::group_sections,
1389         Target_arm::scan_reloc_for_stub,
1390         Target_arm::scan_reloc_section_for_stubs): New method declarations.
1391         (Target_arm::arm_input_section_map_): New data member declaration.
1392         (Target_arm::scan_reloc_for_stub,
1393         Target_arm::scan_reloc_section_for_stubs,
1394         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
1395         Target_arm::do_relax): New method definitions.
1397 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
1399         * configure.ac: Check for (struct stat)::st_mtim
1400         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
1401         * config.in: Regenerate.
1402         * configure: Regenerate.
1404 2009-11-05  Ian Lance Taylor  <iant@google.com>
1406         PR 10910
1407         * output.cc (Output_segment::add_output_section): Add missing
1408         return statement.
1410 2009-11-04  Ian Lance Taylor  <iant@google.com>
1412         PR 10880
1413         * object.h (class Object): Add is_needed and set_is_needed
1414         methods.  Add is_needed_ field.  Make bool fields into bitfields.
1415         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
1416         defined in a dynamic object and referenced by a regular object,
1417         set is_needed for the dynamic object.
1418         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
1419         if the file is marked with as_needed and it is not needed.
1421 2009-11-04  Ian Lance Taylor  <iant@google.com>
1423         PR 10887
1424         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
1425         tags if data is discarded by linker script.
1426         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1427         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1428         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1429         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1431 2009-11-04  Ian Lance Taylor  <iant@google.com>
1433         * layout.cc (Layout::get_output_section): Add is_interp and
1434         is_dynamic_linker_section parameters.  Change all callers.
1435         (Layout::choose_output_section): Likewise.
1436         (Layout::make_output_section): Likewise.
1437         (Layout::add_output_section_data): Add is_dynamic_linker_section
1438         parameter.  Change all callers.
1439         * layout.h (class Layout): Update declarations.
1440         * output.h (class Output_section): Add is_interp, set_is_interp,
1441         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1442         Add is_interp_, is_dynamic_linker_section_ fields.  Change
1443         generate_code_fills_at_write_ to a bitfield.
1444         * output.cc (Output_section::Output_sections): Initialize new
1445         fields.
1446         (Output_segment::add_output_section): Add do_sort parameter.
1447         Change all callers.
1449 2009-11-03  Ian Lance Taylor  <iant@google.com>
1451         PR 10860
1452         * options.h (class General_options): Add --warn-common.
1453         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1454         merging two common symbols.
1455         (Symbol_table::should_override): Handle --warn-common when merging
1456         a common symbol with a defined symbol.  Use report_resolve_problem
1457         for multiple definitions.
1458         (Symbol_table::report_resolve_problem): New function.
1459         * symtab.h (class Symbol_table): Declare report_resolve_problem.
1461 2009-11-03  Doug Kwan  <dougkwan@google.com>
1463         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1464         stub_factory_.
1465         (Target_arm::stub_factory): New method definition.
1466         (Target_arm::new_arm_input_section,
1467         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1468         Target_arm::reloc_uses_thumb_bit): New method declarations.
1469         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
1470         New type definitions.
1471         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1472         member declarations.
1473         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1474         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1475         New method definitions.
1477 2009-11-03  Ian Lance Taylor  <iant@google.com>
1479         * options.h (class General_options): Add --warn_constructors.
1481 2009-11-03  Ian Lance Taylor  <iant@google.com>
1483         PR 10893
1484         * defstd.cc (in_section): Add entries for __rel_iplt_start,
1485         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1487 2009-11-03  Ian Lance Taylor  <iant@google.com>
1489         PR 10895
1490         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1491         --msgid-bugs-address.
1492         (install-pdf): New target.
1493         (install-data_yes): Look up one directory to find mkinstalldirs.
1495 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
1497         * po/Make-in (.po.gmo): Don't generate .gmo files in source
1498         tree.
1500 2009-10-30  Doug Kwan  <dougkwan@google.com>
1502         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1504 2009-10-30  Doug Kwan  <dougkwan@google.com>
1506         * arm.cc (Stub_addend_reader): New struct template definition
1507         and partial specializations.
1508         (Stub_addend_reader::operator()): New method definition for a
1509         partially specialized template.
1511 2009-10-30  Doug Kwan  <dougkwan@google.com>
1513         * arm.cc (Arm_relobj::processor_specific_flags): New method
1514         definition.
1515         (Arm_relobj::do_read_symbols): New method declaration.
1516         (Arm_relobj::processor_specific_flags_): New data member declaration.
1517         (Arm_dynobj): New class definition.
1518         (Target_arm::do_finalize_sections): Add input_objects parameter.
1519         (Target_arm::do_adjust_elf_header): New method declaration.
1520         (Target_arm::are_eabi_versions_compatible,
1521         (Target_arm::merge_processor_specific_flags): New method declaration.
1522         (Target_arm::do_make_elf_object): New overloaded method definitions
1523         and declaration.
1524         (Arm_relobj::do_read_symbols): New method definition.
1525         (Arm_dynobj::do_read_symbols): Ditto.
1526         (Target_arm::do_finalize_sections): Add input_objects parameters.
1527         Merge processor-specific flags from all input objects.
1528         (Target_arm::are_eabi_versions_compatible,
1529         Target_arm::merge_processor_specific_flags,
1530         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1531         New method definitions.
1532         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1533         Input_objects pointer type parameter.
1534         * layout.cc (Layout::finalize): Pass input objects to target's.
1535         finalize_sections function.
1536         * output.cc (Output_file_header::do_sized_write): Set ELF file
1537         header's processor-specific flags.
1538         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1539         Input_objects pointer type parameter.
1540         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1541         * target.h (Input_objects): New forward class declaration.
1542         (Target::processor_specific_flags,
1543         Target::are_processor_specific_flags_sect): New method definitions.
1544         (Target::finalize_sections): Add input_objects parameter.
1545         (Target::Target): Initialize processor_specific_flags_ and
1546         are_processor_specific_flags_set_.
1547         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1548         parameter.
1549         (Target::set_processor_specific_flags): New method definition.
1550         (Target::processor_specific_flags_,
1551         Target::are_processor_specific_flags_set_): New data member
1552         declarations.
1553         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1554         Input_objects pointer type parameter.
1556 2009-10-30  Doug Kwan  <dougkwan@google.com>
1558         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1560 2009-10-28  Ian Lance Taylor  <iant@google.com>
1562         * object.h (class Relobj): Drop options parameter from
1563         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1564         do_scan_relocs, do_relocate.  Change all callers.
1565         (class Sized_relobj): Drop options parameters from
1566         do_gc_process_relocs, do_scan_relocs, do_relocate,
1567         do_relocate_sections, relocate_sections, emit_relocs_scan,
1568         emit_relocs_scan_reltype.  Change all callers.
1569         (struct Relocate_info): Remove options field and all references to
1570         it.
1571         * reloc.h (class Read_relocs): Remove options constructor
1572         parameter and options_ field.  Change all callers.
1573         (class Gc_process_relocs, class Scan_relocs): Likewise.
1574         (class Relocate_task): Likewise.
1575         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1576         all callers.
1577         (scan_relocatable_relocs): Likewise.
1578         * target.h (class Sized_target): Remove options parameter from
1579         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1580         all callers.
1581         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1582         callers.
1583         * arm.cc: Update functions to remove options parameters.
1584         * i386.cc: Likewise.
1585         * powerpc.cc: Likewise.
1586         * sparc.cc: Likewise.
1587         * x86_64.cc: Likewise.
1588         * testsuite/testfile.cc: Likewise.
1590 2009-10-28  Doug Kwan  <dougkwan@google.com>
1592         * arm.cc (Arm_relobj): New class definition.
1593         (Arm_relobj::scan_sections_for_stubs, 
1594         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1595         New method definitions.
1597 2009-10-28  Cary Coutant  <ccoutant@google.com>
1599         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1600         (Plugin::cleanup_done_): New member.
1601         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1602         (Plugin_manager::cleanup_done_): Remove.
1603         (Plugin_manager::add_input_file): Edit error message.
1604         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1605         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1607 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1609         * fileread.cc: (File_read::View::~View): Use the new
1610         data_ownership_ filed.
1611         (File_read::~File_read): Dispose the new whole_file_view_.
1612         (File_read::open): Mmap the whole file if needed.
1613         (File_read::open): Use whole_file_view_ instead of contents_.
1614         (File_read::find_view): Use whole_file_view_ if applicable.
1615         (File_read::do_read): Use whole_file_view_ instead of contents_.
1616         (File_read::make_view): Use whole_file_view_ instead of contents_,
1617         update File_read::View::View call.
1618         (File_read::find_or_make_view): Update File_read::View::View
1619         call.
1620         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1621         remove contents_
1622         (File_read::View::Data_ownership): New enum.
1623         (File_read::View::View): Replace bool mapped_ with Data_ownership
1624         argument.
1625         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1626         (File_read::View::data_ownership_): New field.
1627         (File_read::contents_): Remove (replaced by whole_file_view_).
1628         (File_read::whole_file_view_): New field.
1629         * options.h (class General_options): Add --keep-files-mapped.
1631 2009-10-27  Cary Coutant  <ccoutant@google.com>
1633         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1634         * testsuite/Makefile.am (plugin_test_5): New test case.
1635         * testsuite/Makefile.in: Regenerate.
1637 2009-10-25  Doug Kwan  <dougkwan@google.com>
1639         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1640         from private to protected to allow access by child class.
1641         (Sized_relobj::do_relocate_sections): New method declaration.
1642         (Sized_relobj::relocate_sections): Virtualize.
1643         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
1644         Sized_relobj::relocate_sections.  Instantiate template explicitly
1645         for different target sizes and endianity.
1647 2009-10-24  Doug Kwan  <dougkwan@google.com>
1649         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1650         (Arm_input_section::as_arm_input_section): New method.
1651         (Arm_output_section): New class definition.
1652         (Arm_output_section::create_stub_group,
1653         Arm_output_section::group_sections): New method definitions.
1655 2009-10-22  Doug Kwan  <dougkwan@google.com>
1657         * arm.cc (Arm_input_section): New class definition.
1658         (Arm_input_section::init, Arm_input_section:do_write,
1659         Arm_input_section::set_final_data_size,
1660         Arm_input_section::do_reset_address_and_file_offset): New method
1661         definitions.
1663 2009-10-21  Doug Kwan  <dougkwan@google.com>
1665         * arm.cc (Stub_table, Arm_input_section): New forward class
1666         declarations.
1667         (Stub_table): New class defintion.
1668         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1669         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1670         New method definition.
1672 2009-10-21  Doug Kwan  <dougkwan@google.com>
1674         * arm.cc: Update copyright comments.
1675         (Target_arm): New forward class template declaration.
1676         (Arm_address): New type.
1677         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1678         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1679         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1680         constants.
1681         (Insn_template): Same.
1682         (DEF_STUBS): New macro.
1683         (Stub_type): New enum type.
1684         (Stub_template): New class definition.
1685         (Stub): Same.
1686         (Reloc_stub): Same.
1687         (Stub_factory): Same.
1688         (Target_arm::Target_arm): Initialize may_use_blx_ and
1689         should_force_pic_veneer_.
1690         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1691         Target_arm::should_force_pic_veneer,
1692         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1693         Target_arm::using_thumb_only, Target_arm:;default_target): New
1694         method defintions.
1695         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1696         New data member declarations.
1697         (Insn_template::size, Insn_template::alignment): New method defintions.
1698         (Stub_template::Stub_template): New method definition.
1699         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1700         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1701         (Stub_factory::Stub_factory): New method definition.
1702         * gold.h (string_hash): New template.
1703         * output.h (Input_section_specifier::hash_value): Use
1704         gold::string_hash.
1705         (Input_section_specifier::string_hash): Remove.
1706         * stringpool.cc (Stringpool_template::string_hash): Use
1707         gold::string_hash.
1709 2009-10-20  Doug Kwan  <dougkwan@google.com>
1711         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1712         symbols of relaxed input sections.
1713         * output.h (Output_section::find_relaxed_input_section): Make
1714         method public.
1716 2009-10-16  Doug Kwan  <dougkwan@google.com>
1718         * dynobj.cc (Versions::Versions): Initialize version_script_.
1719         Only insert base version symbol definition for a shared object
1720         if version script defines any version versions.
1721         (Versions::define_base_version): New method definition.
1722         (Versions::add_def): Check that base version is not needed.
1723         (Versions::add_need): Define base version lazily.
1724         * dynobj.h (Versions::define_base_version): New method declaration.
1725         (Versions::needs_base_version_): New data member declaration.
1726         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1727         (check_DATA): Add no_version_test.stdout.
1728         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1729         New make rules.
1730         * testsuite/Makefile.in: Regenerate.
1731         * testsuite/no_version_test.c: New file.
1732         * testsuite/no_version_test.sh: Ditto.
1734 2009-10-16  Doug Kwan  <dougkwan@google.com>
1736         * expression.cc (class Segment_start_expression): New class definition.
1737         (Segment_start_expression::value): New method definition.
1738         (script_exp_function_segment_start): Return a new
1739         Segment_start_expression.
1740         * gold/script-c.h (script_saw_segment_start_expression): New function
1741         prototype.
1742         * script-sections.cc (Script_sections::Script_sections): Initialize
1743         SAW_SEGMENT_START_EXPRESSION_ to false.
1744         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1745         and -Tbbs options to specify section addresses if given in
1746         command line and no SEGMENT_START expression is seen in a script.
1747         * script-sections.h (Script_sections::saw_segment_start_expression,
1748         Script_sections::set_saw_segment_start_expression): New method
1749         definition.
1750         (Script_sections::saw_segment_start_expression_): New data member
1751         declaration.
1752         * script.cc (script_saw_segment_start_expression): New function.
1753         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1754         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1755         script_test_7.sh and script_test_8.sh.
1756         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1757         script_test_8.stdout.
1758         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1759         (script_test_6, script_test_6.stdout, script_test_7,
1760         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1761         * Makefile.in: Regenerate.
1762         * testsuite/script_test_6.sh: New file.
1763         * testsuite/script_test_6.t: Same.
1764         * testsuite/script_test_7.sh: Same.
1765         * testsuite/script_test_7.t: Same.
1766         * testsuite/script_test_8.sh: Same.
1768 2009-10-16  Doug Kwan  <dougkwan@google.com>
1770         * output.cc (Output_segment::set_section_list_address): Cast
1771         expressions to unsigned long long type to avoid format warnings.
1773 2009-10-15  Ian Lance Taylor  <iant@google.com>
1775         * script.cc (Script_options::add_symbol_assignment): Always add a
1776         dot assignment to script_sections_.
1777         * script-sections.cc (Script_sections::add_dot_assignment):
1778         Initialize if necessary.
1780         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1781         program headers with no load segment if there is a linker script.
1783         * layout.cc (Layout::set_segment_offsets): Align the file offset
1784         to the segment aligment for -N or -n with no load segment.
1785         * output.cc (Output_segment::add_output_section): Don't crash if
1786         the first section is a TLS section.
1787         (Output_segment::set_section_list_addresses): Print an error
1788         message if the address moves backward in a linker script.
1789         * script-sections.cc
1790         (Output_section_element_input::set_section_addresses): Don't
1791         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1792         (Orphan_output_section::set_section_addresses): Likewise.
1794 2009-10-15  Doug Kwan  <dougkwan@google.com>
1796         * layout.cc (Layout::finish_dynamic_section): Generate tags
1797         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1798         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1799         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1801 2009-10-14  Ian Lance Taylor  <iant@google.com>
1803         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1804         fields.
1805         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1806         data_shdr fields of relinfo.
1807         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1808         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1809         R_386_TLS_LDO_32, adjust based on section flags.
1810         (Target_i386::Relocate::fix_up_ldo): Remove.
1812 2009-10-13  Ian Lance Taylor  <iant@google.com>
1814         Add support for -pie.
1815         * options.h (class General_options): Add -pie and
1816         --pic-executable.
1817         (General_options::output_is_position_independent): Test -pie.
1818         (General_options::output_is_executable): Return true if not shared
1819         and not relocatable.
1820         (General_options::output_is_pie): Remove.
1821         * options.cc (General_options::finalize): Reject incompatible uses
1822         of -pie.
1823         * gold.cc (queue_middle_tasks): A -pie link is not static.
1824         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1825         * symtab.cc (Symbol::final_value_is_known): Return false if
1826         output_is_position_independent.
1827         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1828         output_is_position_independent.
1829         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1830         output_is_position_independent.
1831         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1832         output_is_position_independent.
1833         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1834         two_file_pie_test.
1835         (basic_pie_test.o, basic_pie_test): New targets.
1836         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1837         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1838         (two_file_pie_test): New target.
1839         * testsuite/Makefile.in: Rebuild.
1840         * README: Remove note saying that -pie is not supported.
1842 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1844         * options.h (class General_options): Add -init and -fini.
1845         * layout.cc (Layout::finish_dynamic_section): Emit
1846         given init and fini functions.
1848 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1850         * gc.h (gc_process_relocs): Check if icf is enabled using new
1851         function.
1852         * gold.cc (queue_initial_tasks): Likewise.
1853         (queue_middle_tasks): Likewise.
1854         * object.cc (do_layout): Likewise.
1855         * symtab.cc (is_section_folded): Likewise.
1856         * main.cc (main): Likewise.
1857         * reloc.cc (Read_relocs::run): Likewise.
1858         (Sized_relobj::do_scan_relocs): Likewise.
1859         * icf.cc (is_function_ctor_or_dtor): New function.
1860         (Icf::find_identical_sections): Check if function is ctor or dtor when
1861         safe icf is chosen.
1862         * options.h (General_options::icf): Change option to be an enum.
1863         (Icf_status): New enum.
1864         (icf_enabled): New method.
1865         (icf_safe_folding): New method.
1866         (set_icf_status): New method.
1867         (icf_status_): New variable.
1868         * (options.cc) (General_options::finalize): Set icf_status_.
1869         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1870         icf_test and icf_keep_unique_test to use the --icf enum flag.
1871         * testsuite/icf_safe_test.sh: New file.
1872         * testsuite/icf_safe_test.cc: New file. 
1874 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1876         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1877         includes to gc.h and icf.h.
1878         * arm.cc: Include gc.h.
1879         * gold.cc: Likewise.
1880         * i386.cc: Likewise.
1881         * powerpc.cc: Likewise.
1882         * sparc.cc: Likewise.
1883         * x86_64.cc: Likewise.
1884         * gc.h: Include icf.h.
1886 2009-10-11  Ian Lance Taylor  <iant@google.com>
1888         * plugin.cc: Include "gold.h" before other header files.
1890 2009-10-10  Chris Demetriou  <cgd@google.com>
1892         * options.h (Input_file_argument::Input_file_type): New enum.
1893         (Input_file_argument::is_lib_): Replace with...
1894         (Input_file_argument::type_): New member.
1895         (Input_file_argument::Input_file_argument): Take Input_file_type
1896         'type' rather than boolean 'is_lib' as second argument.
1897         (Input_file_argument::is_lib): Use type_.
1898         (Input_file_argument::is_searched_file): New function.
1899         (Input_file_argument::may_need_search): Handle is_searched_file.
1900         * options.cc (General_options::parse_library): Support -l:filename.
1901         (General_options::parse_just_symbols): Update for Input_file_argument
1902         changes.
1903         (Command_line::process): Likewise.
1904         * archive.cc (Archive::get_file_and_offset): Likewise.
1905         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1906         * script.cc (read_script_file, script_add_file): Likewise.
1907         * fileread.cc (Input_file::Input_file): Likewise.
1908         (Input_file::will_search_for): Handle is_searched_file.
1909         (Input_file::open): Likewise.
1910         * readsyms.cc (Read_symbols::get_name): Likewise.
1911         * testsuite/Makefile.am (searched_file_test): New test.
1912         * testsuite/Makefile.in: Regenerate.
1913         * testsuite/searched_file_test.cc: New file.
1914         * testsuite/searched_file_test_lib.cc: New file.
1916 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1917             Ian Lance Taylor  <iant@google.com>
1919         * descriptor.cc: Include <cstdio> and "binary-io.h".
1920         (Descriptors::open): Open the files in binary mode always.
1921         * script.cc (Lex::get_token): Treat \r as whitespace.
1923 2009-10-09  Ian Lance Taylor  <iant@google.com>
1925         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1927 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1928             Ian Lance Taylor  <iant@google.com>
1930         * configure.ac: Check for readv function also.
1931         * fileread.cc (readv): Define if not HAVE_READV.
1932         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1933         does not exist.
1934         * config.in: Regenerate.
1935         * configure: Regenerate.
1937 2009-10-09  Doug Kwan  <dougkwan@google.com>
1939         * layout.cc (Layout::make_output_section): Call target hook to make
1940         ordinary output section.
1941         (Layout::finalize): Adjust parameter list of call the
1942         Target::may_relax().
1943         * layout.h (class Layout::section_list): New method.
1944         * merge.h (Output_merge_base::entsize): Change visibility to public.
1945         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1946         New methods.
1947         (Output_merge_string::do_is_string): New method.
1948         * object.cc (Sized_relobj::do_setup): renamed from
1949         Sized_relobj::set_up.
1950         * object.h (Sized_relobj::adjust_shndx,
1951         Sized_relobj::initializ_input_to_output_maps,
1952         Sized_relobj::free_input_to_output_maps): Change visibilities to
1953         protected.
1954         (Sized_relobj::setup): Virtualize.
1955         (Sized_relobj::do_setup): New method declaration.
1956         (Sized_relobj::invalidate_section_offset,
1957         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1958         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1959         * options.cc (parse_int): New function.
1960         * options.h (parse_int): New declaration.
1961         (DEFINE_int): New macro.
1962         (stub_group_size): New option.
1963         * output.cc (Output_section::Output_section): Initialize memebers
1964         merge_section_map_, merge_section_by_properties_map_,
1965         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1966         (Output_section::add_input_section): Handled deferred code-fill
1967         generation and remove an old comment.
1968         (Output_section::add_relaxed_input_section): New method definition.
1969         (Output_section::add_merge_input_section): Use merge section by
1970         properties map to speed to search.  Update merge section maps
1971         as appropriate.
1972         (Output_section::build_relaxation_map): New method definition.
1973         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1974         Same.
1975         (Output_section::relax_input_section): Renamed to
1976         Output_section::convert_input_sections_to_relaxed_sections and change
1977         interface to take a vector of pointers to relaxed sections.
1978         (Output_section::find_merge_section,
1979         Output_section::find_relaxed_input_section): New method definitions.
1980         (Output_section::is_input_address_mapped,
1981         Output_section::output_offset, Output_section::output_address):
1982         Use output section data maps to speed up searching.
1983         (Output_section::find_starting_output_address): Add comments.
1984         (Output_section::do_write,
1985         Output_section::write_to_postprocessing_buffer): Do code-fill
1986         generation as appropriate.
1987         (Output_section::get_input_sections): Invalidate relaxed input section
1988         map.
1989         (Output_section::restore_states): Adjust type of checkpoint .
1990         Invalidate relaxed input section map.
1991         * output.h (Output_merge_base): New class declaration.
1992         (Input_section_specifier): New class defintion.
1993         (class Output_relaxed_input_section) Change base class to
1994         Output_section_data_build.
1995         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1996         base class initializer.
1997         (Output_section::add_relaxed_input_section): New method declaration.
1998         (Output_section::Input_section): Change visibility to protected.
1999         (Output_section::Input_section::relobj,
2000         Output_section::Input_section::shndx): Handle relaxed input sections.
2001         Output_section::input_sections) Change visibility to protected.  Also
2002         define overload to return a non-const pointer.
2003         (Output_section::Merge_section_properties): New class defintion.
2004         (Output_section::Merge_section_by_properties_map,
2005         Output_section::Output_section_data_by_input_section_map,
2006         Output_section::Relaxation_map): New types.
2007         (Output_section::relax_input_section): Rename method to
2008         Output_section::convert_input_sections_to_relaxed_sections and change
2009         interface to take a vector of relaxed section pointers.
2010         (Output_section::find_merge_section,
2011         Output_section::find_relaxed_input_section,
2012         Output_section::build_relaxation_map,
2013         Output_section::convert_input_sections_in_list_to_relaxed_sections):
2014         New method declarations.
2015         (Output_section::merge_section_map_
2016         Output_section::merge_section_by_properties_map_,
2017         Output_section::relaxed_input_section_map_,
2018         Output_section::is_relaxed_input_section_map_valid_,
2019         Output_section::generate_code_fills_at_write_): New data members.
2020         * script-sections.cc
2021         (Output_section_element_input::set_section_addresses): Call
2022         current_data_size and addralign methods of relaxed input sections.
2023         (Orphan_output_section::set_section_addresses): Call current_data_size
2024         and addralign methods of relaxed input sections.
2025         * symtab.cc (Symbol_table::compute_final_value): Extract template
2026         from the body of Symbol_table::sized_finalize_symbol.
2027         (Symbol_table::sized_finalized_symbol): Call
2028         Symbol_table::compute_final_value.
2029         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2030         (Symbol_table::compute_final_value): New templated method declaration.
2031         * target.cc (Target::do_make_output_section): New method defintion.
2032         * target.h (Target::make_output_section): New method declaration.
2033         (Target::relax): Add more parameters for input objects, symbol table
2034         and layout.  Adjust call to do_relax.
2035         (Target::do_make_output_section): New method declaration.
2036         (Target::do_relax): Add parameters for input objects, symbol table
2037         and layout.
2039 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2041         * pread.c: Include stdio.h.
2043 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2045         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2046         defined.
2048 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2050         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2051         Change read_shndx type to unsigned int.
2052         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2053         int.
2054         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2055         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2056         Change read_shndx type to unsigned int.
2057         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2058         int.
2059         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2060         * layout.cc (Layout::create_symtab_sections): Cast the result of
2061         local_symcount * symsize to off_t in the gold_assert.
2063 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2065         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2066         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2067         R_ARM_BASE_ABS.
2068         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2069         (Arm_relocate_functions::thm_abs5): New function.
2070         (Arm_relocate_functions::abs12): New function.
2071         (Arm_relocate_functions::abs16): New function.
2072         (Arm_relocate_functions::base_abs): New function.
2073         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2074         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
2075         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2076         R_ARM_BASE_ABS.
2077         (Scan::global): Likewise.
2078         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2079         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2080         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2081         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2082         R_ARM_BASE_ABS.
2084 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2086         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2087         (Arm_relocate_functions::movt_prel): New function.
2088         (Arm_relocate_functions::thm_movw_prel_nc): New function.
2089         (Arm_relocate_functions::thm_movt_prel): New function.
2090         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2091         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2092         (Scan::global, Relocate::relocate): Likewise.
2093         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2095 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2097         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2098         Incremental_checker.
2099         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2100         unsigned int.
2101         (class Incremental_inputs_header): New class.
2102         (Incremental_inputs_header_writer): Edit comment.
2103         (Incremental_inputs_entry): New class.
2104         (Incremental_inputs_entry_writer): Edit comment.
2105         (Sized_incremental_binary::do_find_incremental_inputs_section):
2106         Add *strtab_shndx parameter, fill it.
2107         (Sized_incremental_binary::do_check_inputs): New method.
2108         (Incremental_checker::can_incrementally_link_output_file): Use
2109         Sized_incremental_binary::check_inputs.
2110         (Incremental_inputs::report_command_line): Save command line in
2111         command_line_.
2112         * incremental.h:
2113         (Incremental_binary::find_incremental_inputs_section): New
2114         method.
2115         (Incremental_binary::do_find_incremental_inputs_section): Add
2116         strtab_shndx parameter.
2117         (Incremental_binary::do_check_inputs): New pure virtual method.
2118         (Sized_incremental_binary::do_check_inputs): Declare.
2119         (Incremental_checker::Incremental_checker): Add incremental_inputs
2120         parameter, use it to initialize incremental_inputs_.
2121         (Incremental_checker::incremental_inputs_): New field.
2122         (Incremental_checker::command_line): New method.
2123         (Incremental_checker::inputs): New method.
2124         (Incremental_checker::command_line_): New field.
2126 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2128         * incremental.cc: Include <cstdarg> and "target-select.h".
2129         (vexplain_no_incremental): New function.
2130         (explain_no_incremental): New function.
2131         (Incremental_binary::error): New method.
2132         (Sized_incremental_binary::do_find_incremental_inputs_section): New
2133         method.
2134         (make_sized_incremental_binary): New function.
2135         (open_incremental_binary): New function.
2136         (can_incrementally_link_file): Add checks if output is ELF and has
2137         inputs section.
2138         * incremental.h: Include "elfcpp_file.h" and "output.h".
2139         (Incremental_binary): New class.
2140         (Sized_incremental_binary): New class.
2141         (open_incremental_binary): Declare.
2142         * object.cc (is_elf_object): Use
2143         elfcpp::Elf_recognizer::is_elf_file.
2144         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2145         * output.h (Output_file::filesize): New method.
2147 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2149         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2150         New function.
2151         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2152         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2153         function.
2154         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2155         function.
2156         (Arm_relocate_functions::movw_abs_nc): New function.
2157         (Arm_relocate_functions::movt_abs): New function.
2158         (Arm_relocate_functions::thm_movw_abs_nc): New function.
2159         (Arm_relocate_functions::thm_movt_abs): New function.
2160         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2161         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2162         (Scan::global): Likewise.
2163         (Relocate::relocate): Likewise.
2164         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2166 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2168         * arm.cc (Arm_relocate_functions::got_prel) New function.
2169         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2170         (Relocate::relocate): Likewise.
2171         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2173 2009-10-06  Ian Lance Taylor  <iant@google.com>
2175         * options.h (class General_options): Define
2176         split_stack_adjust_size parameter.
2177         * object.h (class Object): Add uses_split_stack_ and
2178         has_no_split_stack_ fields.  Add uses_split_stack and
2179         has_no_split_stack accessor functions.  Declare
2180         handle_split_stack_section.
2181         (class Reloc_symbol_changes): Define.
2182         (class Sized_relobj): Define Function_offsets.  Declare
2183         split_stack_adjust, split_stack_adjust_reltype, and
2184         find_functions.
2185         * object.cc (Object::handle_split_stack_section): New function.
2186         (Sized_relobj::do_layout): Call handle_split_stack_section.
2187         * dynobj.cc (Sized_dynobj::do_layout): Call
2188         handle_split_stack_section.
2189         * reloc.cc (Sized_relobj::relocate_sections): Call
2190         split_stack_adjust for executable sections in split_stack
2191         objects.  Pass reloc_map to relocate_section.
2192         (Sized_relobj::split_stack_adjust): New function.
2193         (Sized_relobj::split_stack_adjust_reltype): New function.
2194         (Sized_relobj::find_functions): New function.
2195         * target-reloc.h: Include "object.h".
2196         (relocate_section): Add reloc_symbol_changes parameter.  Change
2197         all callers.
2198         * target.h (class Target): Add calls_non_split method.  Declare
2199         do_calls_non_split virtual method.  Declare match_view and
2200         set_view_to_nop.
2201         * target.cc: Include "elfcpp.h".
2202         (Target::do_calls_non_split): New function.
2203         (Target::match_view): New function.
2204         (Target::set_view_to_nop): New function.
2205         * gold.cc (queue_middle_tasks): Give an error if mixing
2206         split-stack and non-split-stack objects with -r.
2207         * i386.cc (Target_i386::relocate_section): Add
2208         reloc_symbol_changes parameter.
2209         (Target_i386::do_calls_non_split): New function.
2210         * x86_64.cc (Target_x86_64::relocate_section): Add
2211         reloc_symbol_changes parameter.
2212         (Target_x86_64::do_calls_non_split): New function.
2213         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
2214         parameter.
2215         * powerpc.cc (Target_powerpc::relocate_section): Add
2216         reloc_symbol_changes parameter.
2217         * sparc.cc (Target_sparc::relocate_section): Add
2218         reloc_symbol_changes parameter.
2219         * configure.ac: Call AM_CONDITIONAL for the default target.
2220         * configure: Rebuild.
2221         * testsuite/Makefile.am (TEST_AS): New variable.
2222         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
2223         (check_DATA): Add split_i386 and split_x86_64 files.
2224         (SPLIT_DEFSYMS): Define.
2225         (split_i386_[1234n].o): New targets.
2226         (split_i386_[124]): New targets.
2227         (split_i386_[1234r].stdout): New targets.
2228         (split_x86_64_[1234n].o): New targets.
2229         (split_x86_64_[124]): New targets.
2230         (split_x86_64_[1234r].stdout): New targets.
2231         (MOSTLYCLEANFILES): Add new executables.
2232         * testsuite/split_i386.sh: New file.
2233         * testsuite/split_x86_64.sh: New file.
2234         * testsuite/split_i386_1.s: New file.
2235         * testsuite/split_i386_2.s: New file.
2236         * testsuite/split_i386_3.s: New file.
2237         * testsuite/split_i386_4.s: New file.
2238         * testsuite/split_i386_n.s: New file.
2239         * testsuite/split_x86_64_1.s: New file.
2240         * testsuite/split_x86_64_2.s: New file.
2241         * testsuite/split_x86_64_3.s: New file.
2242         * testsuite/split_x86_64_4.s: New file.
2243         * testsuite/split_x86_64_n.s: New file.
2244         * testsuite/testfile.cc (Target_test): Update relocation_section
2245         function.
2246         * testsuite/Makefile.in: Rebuild.
2248 2009-10-06  Ian Lance Taylor  <iant@google.com>
2250         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2251         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2252         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
2253         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2254         the address on ldo_addrs_.
2255         (Target_i386::Relocate::fix_up_ldo): New function.
2257 2009-10-06   Rafael Espindola  <espindola@google.com>
2259         * plugin.cc (add_input_library): New.
2260         (Plugin::load): Add add_input_library to tv.
2261         (Plugin_manager::add_input_file): Add the is_lib argument.
2262         (add_input_file): Update call to Plugin_manager::add_input_file.
2263         (add_input_library): New.
2264         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2266 2009-09-30  Doug Kwan  <dougkwan@google.com>
2268         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2269         symbol and call Symbol::may_need_copy_reloc to determine if
2270         a copy reloc is needed.
2271         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2272         nocopyreloc is given in command line.
2273         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2274         given in command line.
2275         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2276         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2277         of the removed Target_i386::may_need_copy_reloc.
2278         * options.h (copyreloc): New option with default value false.
2279         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2280         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2281         instead of the removed Target_powerpc::may_need_copy_reloc.
2282         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2283         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2284         instead of the removed Target_sparc::may_need_copy_reloc.
2285         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2286         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2287         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2288         instead of the removed Target_x86_64::may_need_copy_reloc.
2290 2009-09-30  Ian Lance Taylor  <iant@google.com>
2292         * object.h (class Object): Remove target_ field, and target,
2293         sized_target, and set_target methods.
2294         (Object::sized_target): Remove.
2295         (class Sized_relobj): Update declarations.  Remove sized_target.
2296         * object.cc (Sized_relobj::setup): Remove target parameter.
2297         Change all callers.
2298         (Input_objects::add_object): Don't do anything with the target.
2299         (make_elf_sized_object): Add punconfigured parameter.  Change all
2300         callers.  Set or test parameter target.
2301         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2302         Change all callers.
2303         * parameters.cc (Parameters::set_target): Change parameter type to
2304         be non-const.
2305         (Parameters::default_target): Remove.
2306         (set_parameters_target): Change parameter type to be non-const.
2307         (parameters_force_valid_target): New function.
2308         (parameters_clear_target): New function.
2309         * parameters.h (class Parameters): Update declarations.  Remove
2310         default_target method.  Add sized_target and clear_target
2311         methods.  Change target_ to be non-const.
2312         (set_parameters_target): Update declaration.
2313         (parameters_force_valid_target): Declare.
2314         (parameters_clear_target): Declare.
2315         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
2316         as NULL if we aren't searching.
2317         (Add_symbols::run): Don't check for compatible target.
2318         * fileread.cc (Input_file::open_binary): Call
2319         parameters_force_valid_target.
2320         * gold.cc (queue_middle_tasks): Likewise.
2321         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
2322         set_target on object.
2323         * dynobj.h (class Sized_dynobj): Update declarations.
2324         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
2325         make_elf_object returns NULL.
2326         (Archive::include_member): Don't check whether object target is
2327         compatible.
2328         * output.cc (Output_section::add_input_section): Get target from
2329         parameters.
2330         (Output_section::relax_input_section): Likewise.
2331         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
2332         parameters.
2333         (Sized_relobj::do_scan_relocs): Likewise.
2334         (Sized_relobj::relocate_sections): Likewise.
2335         * resolve.cc (Symbol_table::resolve): Likewise.
2336         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
2337         parameter.  Change all callers.
2338         (Symbol_table::add_from_object): Get target from parameters.
2339         (Symbol_table::add_from_relobj): Don't check object target.
2340         (Symbol_table::add_from_dynobj): Likewise.
2341         (Symbol_table::define_special_symbol): Get target from
2342         parameters.
2343         * symtab.h (class Symbol_table): Update declaration.
2344         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
2345         parameter.  Change all callers.  Clear parameter target.
2346         (Binary_test): Test target here.
2347         * testsuite/object_unittest.cc (gold_testsuite): Remove
2348         target_test_pointer parameter.  Change all callers.
2349         (Object_test): Test target here.
2351 2009-09-26  Ian Lance Taylor  <iant@google.com>
2353         * testsuite/initpri1.c: Don't try to use constructor priorities if
2354         compiling with gcc before 4.3.
2356 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
2358         * testsuite/retain_symbols_file_test.sh (check_present): Change
2359         output file name to retain_symbols_file_test.stdout.
2360         (check_absent): Likewise.
2362 2009-09-18  Craig Silverstein  <csilvers@google.com>
2364         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
2365         * options.cc: Include <cerrno> and <fstream>.
2366         (General_options::finalize): Parse -retain-symbols-file tag.
2367         * options.h: New flag.
2368         (General_options): New method should_retain_symbol, new
2369         variable symbols_to_retain.
2370         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
2371         should_retain_symbol map.
2372         * testsuite/Makefile.am (retain_symbols_file_test): New test.
2373         * testsuite/Makefile.in: Regenerate.
2374         * testsuite/retain_symbols_file_test.sh: New file.
2376 2009-09-18  Nick Clifton  <nickc@redhat.com>
2378         * po/es.po: Updated Spanish translation.
2380 2009-09-17  Doug Kwan  <dougkwan@google.com>
2382         * debug.h (DEBUG_RELAXATION): New constant.
2383         (DEBUG_ALL): Add DEBUG_RELAXATION.
2384         (debug_string_to_enum): Add relaxation debug option.
2385         * layout.cc
2386         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
2387         Layout::Relaxation_debug_check::read_sections,
2388         Layout::Relaxation_debug_check::read_sections): New method definitions.
2389         (Layout::Layout): Initialize data members
2390         record_output_section_data_from_scrips_,
2391         script_output_section_data_list_ and relaxation_debug_check_.
2392         (Layout::save_segments, Layout::restore_segments,
2393         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2394         Layout::relaxation_loop_body): New method definitions.
2395         (Layout::finalize): Support relaxation.  Move section layout code to
2396         Layout::relaxation_loop_body.
2397         (Layout::set_asection_address_from_script): Move code for orphan
2398         section placement out.
2399         (Layout::place_orphan_sections_in_script): New method definition.
2400         * layout.h (Output_segment_headers, Output_file_header):
2401         New forward class declarations.
2402         (Layout::~Layout): Define.
2403         (Layout::new_output_section_data_from_script): New method definition.
2404         (Layout::place_orphan_sections_in_script): New method declaration.
2405         (Layout::Segment_states): New type declaration.
2406         (Layout::save_segments, Layout::restore_segments,
2407         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2408         Layout::relaxation_loop_body): New method declarations.
2409         (Layout::Output_section_data_list): New type declaration.
2410         (Layout::Relaxation_debug_check): New class definition.
2411         (Layout::record_output_section_data_from_script_,
2412         Layout::script_output_section_data_list_, Layout::segment_states_,
2413         Layout::relaxation_debug_check_): New data members.
2414         * output.cc: (Output_section_headers::do_size): New method definition.
2415         (Output_section_headers::Output_section_headers): Move size
2416         computation to Output_section_headers::do_size.
2417         (Output_segment_headers::do_size): New method definition.
2418         (Output_file_header::Output_file_header): Move size computation to 
2419         Output_file_header::do_size and call it.
2420         (Output_file_header::do_size): New method definition.
2421         (Output_data_group::Output_data_group): Adjust call to
2422         Output_section_data.
2423         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
2424         (Output_symtab_xindex::do_write): Add array bound check.
2425         (Output_section::Input_section::print_to_mapfile): Handle
2426         RELAXED_INPUT_SECTION_CODE.
2427         (Output_section::Output_section): Initialize data member checkpoint_.
2428         (Output_section::~Output_section): Delete checkpoint object pointed
2429         by checkpoint_.
2430         (Output_section::add_input_section): Always add an Input_section if
2431         relaxing.
2432         (Output_section::add_merge_input_section): Add assert.
2433         (Output_section::relax_input_section): New method definition.
2434         (Output_section::set_final_data_size): Set load address to zero for
2435         an unallocated section.
2436         (Output_section::do_address_and_file_offset_have_reset_values):
2437         New method definition.
2438         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2439         Handle relaxed input section.
2440         (Output_section::sort_attached_input_sections): Checkpoint input
2441         section list lazily.
2442         (Output_section::get_input_sections): Change type of input_sections to
2443         list of Simple_input_section pointers.  Checkpoint input section list
2444         lazily.  Also handle relaxed input sections.
2445         (Output_section::add_input_section_for_script): Take a reference to
2446         a Simple_input_section object instead of Relobj pointer and section
2447         index as parameter.  Handle relaxed input sections.
2448         (Output_section::save_states, Output_section::restore_states): New
2449         method definitions.
2450         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2451         (Output_data::is_data_size_fixed): New method definition.
2452         (Output_data::reset_addresss_and_file_offset): Do not reset data size
2453         if it is fixed.
2454         (Output_data::address_and_file_offset_have_reset_values): New method
2455         definition.
2456         (Output_data::do_address_and_file_offset_have_reset_values): New method
2457         definition.
2458         (Output_data::set_data_size): Check that data size is not fixed.
2459         (Output_data::fix_data_size): New method definition.
2460         (Output_data::is_data_size_fixed_): New data member.
2461         (Output_section_headers::set_final_data_size): New method definition.
2462         (Output_section_headers::do_size): New method declaration.
2463         (Output_segment_headers::set_final_data_size): New method definition.
2464         (Output_segment_headers::do_size): New method declaration.
2465         (Output_file_header::set_final_data_size)::New method definition.
2466         (Output_file_header::do_size)::New method declaration.
2467         (Output_section_data::Output_section_data): Add new parameter
2468         is_data_size_fixed and use it to fix data size.
2469         (Output_data_const::Output_data_const): Adjust call to base class
2470         constructor and fix data size.
2471         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2472         base class constructor and fix data size.
2473         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2474         base class constructor and fix data size.
2475         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2476         class constructor and fix data size.
2477         (Output_data_group::set_final_data_size): New method definition.
2478         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2479         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2480         class constructor and fix data size.
2481         (Output_relaxed_input_section): New class definition.
2482         (Output_section::Simple_input_section): New class definition.
2483         (Output_section::get_input_sections): Adjust parameter list.
2484         (Output_section::add_input_section_for_script): Same.
2485         (Output_section::save_states, Output_section::restore_states,
2486         Output_section::do_address_and_file_offset_have_reset_values,
2487         (Output_section::Input_section::Input_section): Handle
2488         RELAXED_INPUT_SECTION_CODE.  Add new overload for
2489         Output_relaxed_input_section.
2490         (Output_section::Input_section::is_input_section,
2491         Output_section::Input_section::set_output_section): Handle relaxed
2492         input section.
2493         (Output_section::Input_section::is_relaxed_input_section,
2494         Output_section::Input_section::output_section_data,
2495         Output_section::Input_section::relaxed_input_section): New method
2496         definitions.
2497         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2498         value.
2499         (Output_section::Input_section::u1_): Update comments.
2500         (Output_section::Input_section::u2_): Add new union member poris.
2501         (Output_section::Checkpoint_output_section): New classs definition.
2502         (Output_section::relax_input_section): New method declaration.
2503         (Output_section::checkpoint_): New data member.
2504         (Output_segment): Update comments.
2505         (Output_segment::Output_segment): Un-privatize copy constructor.
2506         (Output_segment::operator=): Un-privatize.
2507         * script-sections.cc (Output_section_element::Input_section_list):
2508         Change element type to Output_section::Simple_input_section.
2509         (Output_section_element_dot_assignment::set_section_addresses):
2510         Register output section data for relaxation clean up.
2511         (Output_data_exression::Output_data_expression): Adjust call to base
2512         constructor to fix data size.
2513         (Output_section_element_data::set_section_addresses): Register
2514         Output_data_expression object for relaxation clean up.
2515         (struct Input_section_info): Replace Relobj pointer and section index
2516         pair with Output_section::Simple_input_section and Convert struct to a
2517         class.
2518         (Input_section_sorter::operator()): Adjust access to
2519         Input_section_info data member to use accessors. 
2520         (Output_section_element_input::set_section_addresses): Use layout
2521         parameter.  Adjust code to use Output_section::Simple_input_section
2522         and Input_secction_info classes.  Register filler for relaxation
2523         clean up.
2524         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2525         and section index pair with Output_section::Simple_input_section
2526         class.  Adjust code accordingly.
2527         (Phdrs_element::release_segment): New method definition.
2528         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2529         segment list.
2530         (Script_sections::release_segments): New method definition.
2531         * gold/script-sections.h (Script_sections::release_segments): New
2532         method declaration.
2533         * gold/target.h (Target::may_relax, Target::relax,
2534         Target::do_may_relax, Target::do_relax): New method definitions.
2536 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2538         * arm.cc (has_signed_unsigned_overflow): New function.
2539         (Arm_relocate_functions::abs8): New function.
2540         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2541         (Target_arm::Scan::global): Likewise.
2542         (Target_arm::relocate::relocate): Likewise.
2543         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2544         Likewise.
2546 2009-09-16  Cary Coutant  <ccoutant@google.com>
2548         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2549         * testsuite/Makefile.in: Regenerate.
2551 2009-09-11  Nick Clifton  <nickc@redhat.com>
2553         * po/gold.pot: Updated by the Translation project.
2555 2009-09-08  Cary Coutant  <ccoutant@google.com>
2557         * output.cc (Output_file::open): Add execute permission to empty file.
2558         * testsuite/Makefile.am (permission_test): New test.
2559         * testsuite/Makefile.in: Regenerate.
2561 2009-09-02  Ian Lance Taylor  <iant@google.com>
2563         * output.cc (Output_file::resize): Call map_no_anonymous rather
2564         than map.
2566 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2568         * gold.cc: Include "incremental.h".
2569         (queue_initial_tasks): Call Incremental_checker methods.
2570         * incremental.cc: Include "output.h".
2571         (Incremental_checker::can_incrementally_link_output_file): New
2572         method.
2573         * incremental.h (Incremental_checker): New class.
2575         * output.cc (Output_file::open_for_modification): New method.
2576         (Output_file::map_anonymous): Changed return type to bool.  Record
2577         map in base_ field.
2578         (Output_file::map_no_anonymous): New method, broken out of map.
2579         (Output_file::map): Use map_no_anonymous and map_anonymous.
2580         * output.h (class Output_file): Update declarations.
2582 2009-08-24  Cary Coutant  <ccoutant@google.com>
2584         * options.h (Command_line::Pre_options): New class.
2585         (Command_line::pre_options): New member.
2586         * options.cc (gold::options::ready_to_register): New variable.
2587         (One_option::register_option): Do nothing if not registering options.
2588         Assert if same short option registered twice.
2589         (General_options::General_options): Turn off option registration when
2590         done constructing.
2591         (Command_line::Pre_options::Pre_options): New constructor.
2593 2009-08-24  Cary Coutant  <ccoutant@google.com>
2595         * options.h (General_options::no_keep_memory): Remove incorrect
2596         short option.
2598 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2600         * Makefile.am (am__skiplex, am__skipyacc): New.
2601         * Makefile.in: Regenerate.
2603 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2605         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2606         (INCLUDES): ... this.
2607         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2608         (AM_CPPFLAGS): Renamed from ...
2609         (INCLUDE): ... this.
2610         * Makefile.in, testsuite/Makefile.in: Regenerate.
2612         * Makefile.in: Regenerate.
2613         * aclocal.m4: Likewise.
2614         * config.in: Likewise.
2615         * configure: Likewise.
2616         * testsuite/Makefile.in: Likewise.
2618         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2619         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2620         * Makefile.in: Regenerate.
2621         * testsuite/Makefile.in: Regenerate.
2623 2009-08-19  Cary Coutant  <ccoutant@google.com>
2625         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2626         symbols in shared libraries overridden by hidden or internal symbols
2627         in the main program.
2629 2009-08-19  Chris Demetriou  <cgd@google.com>
2631         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2632         checking source file names in error messages.
2634 2009-08-18  Doug Kwan  <dougkwan@google.com>
2636         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2637         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2638         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2639         an elfcpp::Ehdr as parameter.
2640         * object.cc (Object::set_target): Remove the version that looks up
2641         a target and sets it.
2642         (Sized_relobj::setup): Take a Target object instead of
2643         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2644         (make_elf_sized_object): Find target and ask target to
2645         make an ELF object.
2646         * object.h: (Object::set_target): Remove the version that looks up
2647         a target and sets it.
2648         (Sized_relobj::setup): Take a Target object instead of
2649         an elfcpp:Ehdr as parameter.
2650         * target.cc: Include dynobj.h.
2651         (Target::do_make_elf_object_implementation): New.
2652         (Target::do_make_elf_object): New.
2653         * target.h (Target::make_elf_object): New template declaration.
2654         (Target::do_make_elf_object): New method declarations.
2655         (Target::do_make_elf_object_implementation): New template declaration.
2657 2009-08-14  Ian Lance Taylor  <iant@google.com>
2659         * gold.h (FUNCTION_NAME): Define.
2660         (gold_unreachable): Use FUNCTION_NAME.
2662 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2664         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2665         symbol in the --keep-unique list is not found.
2667 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2669         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2670         been maked as --keep-unique.
2671         (Icf::unfold_section): New function.
2672         * icf.h (Icf::unfold_section): New function.
2673         * options.h (General_options::keep_unique): New option.
2674         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2675         * testsuite/Makefile.in: Regenerate.
2676         * testsuite/icf_keep_unique_test.sh: New file.
2677         * testsuite/icf_keep_unique_test.cc: New file.
2679 2009-08-12  Cary Coutant  <ccoutant@google.com>
2681         PR 10471
2682         * resolve.cc (Symbol_table::resolve): Check for references from
2683         dynamic objects to hidden and internal symbols.
2684         * testsuite/Makefile.am (hidden_test.sh): New test.
2685         * testsuite/Makefile.in: Regenerate.
2686         * testsuite/hidden_test.sh: New script.
2687         * testsuite/hidden_test_1.c: New test source.
2688         * testsuite/hidden_test_main.c: New test source.
2690 2009-08-11  Doug Kwan  <dougkwan@google.com>
2692         * arm.cc: Update comments.
2693         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2694         segment to locate the .ARM.exidx section if present.
2696 2009-08-09  Doug Kwan  <dougkwan@google.com>
2698         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2699         patch.
2701 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2702         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2703         compiler warnings.
2705 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2707         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2708         valid tls_segment only for non-debug-section relocations.
2709         * testsuite/Makefile.am: Add gc_tls_test.
2710         * testsuite/Makefile.in: Regenerate.
2711         * testsuite/gc_tls_test.cc: New file.
2712         * testsuite/gc_tls_test.sh: New file.
2714 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2715         
2716         * icf.cc: New file.
2717         * icf.h: New file.
2718         * Makefile.am (CCFILES): Add icf.cc.
2719         (HFILES): Add icf.h
2720         * Makefile.in: Regenerate.
2721         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2722         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2723         section, symbol and addend information for the relocs.
2724         * gold.cc (queue_middle_tasks): Call identical code folding.
2725         * gold.h: Add defines for multimap.
2726         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2727         to the call of finalize_local_symbols.
2728         * main.cc (main): Create object of class Icf.
2729         * object.cc (Sized_relobj::do_layout): Allow this function to be
2730         called twice during icf.
2731         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2732         to sections marked as identical by icf.
2733         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2734         when available.
2735         (Sized_relobj::do_section_entsize): New function.
2736         * object.h (Object::section_entsize): New function.
2737         (Object::do_section_entsize): New pure virtual function.
2738         (Relobj::finalize_local_symbols): Add new parameter.
2739         (Relobj::do_section_entsize): New function.
2740         * options.h (General_options::icf): New option.
2741         (General_options::icf_iterations): New option.
2742         (General_options::print_icf_sections): New option.
2743         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2744         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2745         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2746         icf.
2747         * symtab.cc (Symbol_table::is_section_folded): New function.
2748         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2749         to sections marked as identical by icf.
2750         * symtab.h (Symbol_table::set_icf): New function.
2751         (Symbol_table::icf): New function.
2752         (Symbol_table::is_section_folded): New function.
2753         (Symbol_table::icf_): New data member.
2754         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2755         * testsuite/Makefile.am: Add commands to build icf_test.
2756         * testsuite/Makefile.in: Regenerate.
2757         * testsuite/icf_test.sh: New file.
2758         * testsuite/icf_test.cc: New file.
2760 2009-07-24  Chris Demetriou  <cgd@google.com>
2762         * layout.cc (is_compressible_debug_section): Fix incorrect
2763         comment about compressed section names.
2765 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2767         PR 10419
2768         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2770 2009-07-16  Ian Lance Taylor  <iant@google.com>
2772         PR 10400
2773         * layout.h: #include <map>.
2774         (class Kept_section): Change from struct to class.  Add accessors
2775         and setters.  Add section size to Comdat_group mapping.  Change
2776         Comdat_group to std::map.  Add is_comdat_ field.  Add
2777         linkonce_size field in union.
2778         (class Layout): Update declaration of find_or_add_kept_section.
2779         Don't declare find_kept_object.
2780         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2781         parameter.  Add object, shndx, is_comdat, and is_group_name
2782         parameters.  Change all callers.  Adjust for new Kept_section.
2783         (Layout::find_kept_object): Remove.
2784         * object.cc (Sized_relobj::include_section_group): Update use of
2785         Kept_section.  Rename secnum to shndx.  Only record
2786         Kept_comdat_section if sections are the same size.
2787         (Sized_relobj::include_linkonce_section): Update use of
2788         Kept_section.  Only record Kept_comdat_section if sections are the
2789         same size.  Set size of linkonce section.
2790         (Sized_relobj::map_to_kept_section): Update call to
2791         get_kept_comdat_section.
2792         * object.h (class Sized_relobj): Rename fields in
2793         Kept_comdat_section to drop trailing underscores; change object
2794         field to Relobj*.  Change Kept_comdat_section_table to store
2795         struct rather than pointer.
2796         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2797         Add kept_object and kept_shndx parameters.  Change all callers.
2798         (Sized_relobj::get_kept_comdat_section): Change return type to
2799         bool.  Add kept_object and kept_shndx parameters.  Change all
2800         callers.
2801         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2802         Layout::find_or_add_kept_section.
2804 2009-07-09  Ian Lance Taylor  <iant@google.com>
2806         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2807         Reserve space in the hash table.
2809 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2811         * fileread.cc (File_read::get_mtime): New method.
2812         * fileread.h (Timespec): New structure.
2813         (File_read::get_mtime): New method.
2814         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2815         Renamed from timestamp_nsec.
2816         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2817         Elf_Xword.
2818         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
2819         timestamp_nsec.
2820         (Incremental_inputs::report_archive): Save mtime; style fix. 
2821         (Incremental_inputs::report_obejct): Save mtime; style fix.
2822         (Incremental_inputs::report_script): Save mtime; style fix.
2823         (Incremental_inputs::finalize_inputs): Style fix.
2824         (Incremental_inputs::finalize): Style fix.
2825         (Incremental_inputs::create_input_section_data): Store inputs
2826         mtime.
2827         * incremental.h (Incremental_inputs::report_script): Add mtime
2828         argument.
2829         (Incremental_inputs::Input_info::Input_info): Intialize only one
2830         union member.
2831         (Incremental_inputs::Input_info::archive): Move to nameless
2832         union.
2833         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2834         (Incremental_inputs::Input_info::script): Move to nameless union.
2835         (Incremental_inputs::mtime): New field.
2836         * script.cc (read_input_script): Pass file mtime to
2837         Incremental_input.
2838         * script.h (Script_info::inputs): Style fix.
2840 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2842         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2843         instead of 32.
2845 2009-06-24  Ian Lance Taylor  <iant@google.com>
2847         PR 10156
2848         * layout.cc (Layout::choose_output_section): If we find an
2849         existing section, update the flags.
2850         (Layout::create_notes): New function, broken out of
2851         Layout::finalize.
2852         (Layout::finalize): Don't create note sections.
2853         (Layout::create_note): Don't crash if linker script discards
2854         section.
2855         (Layout::create_gold_note): Likewise.
2856         (Layout::create_build_id): Likewise.  Don't set
2857         after_input_sections on the section.
2858         (Layout::create_executable_stack_info): Remove target parameter.
2859         Change caller.
2860         * layout.h (class Layout): Declare create_notes.  Update
2861         declaration of create_executable_stack_info.
2862         * gold.cc (queue_middle_tasks): Call create_notes.
2863         * output.cc (Output_section::update_flags_for_input_section): Move
2864         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2865         invalid.
2866         * output.h (Output_data::mark_address_invalid): New function.
2867         (class Output_section): Only declare, not define,
2868         update_flags_for_input_section.  Remove set_flags.
2870 2009-06-24  Ian Lance Taylor  <iant@google.com>
2872         * script-sections.cc (Output_section_definition::
2873         set_section_addresses): Rename shadowing local load_address to
2874         laddr.
2876 2009-06-24  Ian Lance Taylor  <iant@google.com>
2878         PR 10244
2879         * reloc.cc (relocate_sections): Skip empty relocation sections.
2881 2009-06-23  Ian Lance Taylor  <iant@google.com>
2883         PR 10156
2884         * layout.cc (Layout::create_note): Use choose_output_section
2885         rather than make_output_section.
2887 2009-06-23  Ian Lance Taylor  <iant@google.com>
2889         PR 10237
2890         * options.cc (General_options::parse_V): Set printed_version_.
2891         (General_options::General_options): Initialize printed_version_.
2892         * options.h (class General_options): Add printed_version_ field.
2893         * gold.cc (queue_initial_tasks): If there are no input files,
2894         don't give a fatal error if we printed the version information.
2895         (queue_middle_tasks): If using -r with a shared object, give a
2896         fatal error rather than an ordinary error.
2898 2009-06-23  Ian Lance Taylor  <iant@google.com>
2900         PR 10219
2901         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2902         (Layout::make_output_section): Set have_stabstr_section_ if we see
2903         a .stab*str section.
2904         (Layout::finalize): Call link_stabs_sections.
2905         (Layout::link_stabs_sections): New file.
2906         * layout.h (class Layout): Add have_stabstr_section_ field.
2907         Declare link_stabs_sections.
2909 2009-06-23  Doug Kwan  <dougkwan@google.com>
2911         * Makefile.am (libgold_a_LIBADD): New.
2912         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2913         * Makefile.in: Regenerate.
2914         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2915         * configure: Regenerate.
2916         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2917         * fileread.cc: Include sys/state.h
2918         * gold.h: Declare memmem and strndup if found missing.
2919         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2921 2009-06-23  Ian Lance Taylor  <iant@google.com>
2923         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2924         * configure: Rebuild.
2926 2009-06-23  Ian Lance Taylor  <iant@google.com>
2928         PR 10147
2929         * object.cc (Object::section_contents): Don't try to get a view if
2930         the section has length zero.
2931         (Object::handle_gnu_warning_section): If the section is empty, use
2932         the name of the section as the warning.
2934 2009-06-23  Ian Lance Taylor  <iant@google.com>
2936         PR 10133
2937         * stringpool.h (class Stringpool_template): Add optimize_ field.
2938         (Stringpool_template::set_optimize): New function.
2939         * stringpool.cc (Stringpool_template::Stringpool_template):
2940         Initialize optimize_ field.
2941         (Stringpool_template::set_string_offsets): Test local optimize
2942         fild rather than parameter.
2943         * layout.cc (Layout::Layout): Call set_optimize on the section
2944         name stringpool.
2946 2009-06-22  Ian Lance Taylor  <iant@google.com>
2948         PR 10030
2949         * yyscript.y: Parse TARGET.
2950         * script.cc (script_set_target): New function.
2951         * script-c.h (script_set_target): Declare.
2952         * options.cc (General_options::string_to_object_format): Rename
2953         from string_to_object_format in anonymous namespace.  Change
2954         callers.
2955         * options.h (class General_options): Declare
2956         string_to_object_format.
2958 2009-06-22  Ian Lance Taylor  <iant@google.com>
2960         * script-sections.cc (Script_sections::create_segments): Don't put
2961         program headers in a PT_LOAD segment if -n or -N.
2963 2009-06-22  Ian Lance Taylor  <iant@google.com>
2965         PR 10141
2966         * options.h (class General_options): Add -z lazy and -z now.  Sort
2967         -z options into alphabetical order.
2968         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2970 2009-06-21  Ian Lance Taylor  <iant@google.com>
2972         * layout.cc (Layout::make_output_section): Call
2973         Target::new_output_section.
2974         (Layout::attach_allocated_section_to_segment): Put large section
2975         sections in a separate load segment with the large segment flag
2976         set.
2977         (Layout::segment_precedes): Sort large data segments after other
2978         load segments.
2979         (align_file_offset): New static function.
2980         (Layout::set_segment_offsets): Use align_file_offset.
2981         * output.h (class Output_section): Add is_small_section_ and
2982         is_large_section_ fields.
2983         (Output_section::is_small_section): New function.
2984         (Output_section::set_is_small_section):  New function.
2985         (Output_section::is_large_section): New function.
2986         (Output_section::set_is_large_section): New function.
2987         (Output_section::is_large_data_section): New function.
2988         (class Output_segment): Add is_large_data_segment_ field.
2989         (Output_segment::is_large_data_segment): New function.
2990         (Output_segment::set_is_large_data_segment): New function.
2991         * output.cc (Output_section::Output_section): Initialize new
2992         fields.
2993         (Output_segment::Output_segment): Likewise.
2994         (Output_segment::add_output_section): Add assertion that large
2995         data sections always go in large data segments.  Force small data
2996         sections to the end of the list of data sections.  Force small BSS
2997         sections to the start of the list of BSS sections.  For large BSS
2998         sections to the end of the list of BSS sections.
2999         * symtab.h (class Symbol): Declare is_common_shndx.
3000         (Symbol::is_defined): Check Symbol::is_common_shndx.
3001         (Symbol::is_common): Likewise.
3002         (class Symbol_table): Define enum Commons_section_type.  Update
3003         declarations.  Add small_commons_ and large_commons_ fields.
3004         * symtab.cc (Symbol::is_common_shndx): New function.
3005         (Symbol_table::Symbol_table): Initialize new fields.
3006         (Symbol_table::add_from_object): Put small and large common
3007         symbols in the right list.
3008         (Symbol_table::sized_finalized_symbol): Check
3009         Symbol::is_common_shndx.
3010         (Symbol_table::sized_write_globals): Likewise.
3011         * common.cc (Symbol_table::do_allocate_commons): Allocate new
3012         common symbol lists.  Don't call do_allocate_commons_list if the
3013         list is empty.
3014         (Symbol_table::do_allocate_commons_list): Remove is_tls
3015         parameter.  Add comons_section_type parameter.  Change all
3016         callers.  Handle small and large common symbols.
3017         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3018         Symbol::is_common_shndx.
3019         * resolve.cc (symbol_to_bits): Likewise.
3020         * target.h (Target::small_common_shndx): New function.
3021         (Target::small_common_section_flags): New function.
3022         (Target::large_common_shndx): New function.
3023         (Target::large_common_section_flags): New function.
3024         (Target::new_output_section): New function.
3025         (Target::Target_info): Add small_common_shndx, large_common_shndx,
3026         small_common_section_flags, and large_common_section_flags
3027         fields.
3028         (Target::do_new_output_section): New virtual function.
3029         * arm.cc (Target_arm::arm_info): Initialize new fields.
3030         * i386.cc (Target_i386::i386_info): Likewise.
3031         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3032         Likewise.
3033         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3034         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3035         (Target_x86_64::do_new_output_section): New function.
3036         * configure.ac: Define conditional MCMODEL_MEDIUM.
3037         * testsuite/Makefile.am (check_PROGRAMS): Add large.
3038         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3039         (large_LDFLAGS): Define.
3040         * testsuite/large.c: New file.
3041         * testsuite/testfile.cc (Target_test::test_target_info):
3042         Initialize new fields.
3043         * configure, testsuite/Makefile.in: Rebuild.
3045 2009-06-05  Doug Kwan  <dougkwan@google.com>
3047         * Makefile.am (CCFILES): Add target.cc.
3048         * Makefile.in: Regenerate. 
3049         * i386.cc (class Target_i386): Define new virtual method to
3050         override do_is_local_label_name in parent.
3051         * object.cc (Sized_relobj::do_count_local_symbols): Discard
3052         local symbols if --discard-locals or -X is given.
3053         * options.h (class General_options): Declare new options
3054         '--discard-locals' and '-X' for discarding locals.
3055         * target.h (class Target): Define new methods is_local_label_name.
3056         Declare new virtual method do_is_local_label_name.
3057         * target.cc: New file.
3058         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3059         (check_SCRIPTS): Add discard_locals_test.sh.
3060         (check_DATA): Add discard_local_tests.syms.
3061         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3062         (discard_local_tests.syms, discard_locals_test.o): New make rules.
3063         * testsuite/Makefile.in: Regenerate.
3064         * testsuite/discard_locals_test.c: New file.
3065         * testsuite/discard_locals_test.sh: Same.
3067 2009-06-05  Doug Kwan  <dougkwan@google.com>
3069         * object.cc (Sized_relobj::Sized_relobj): Initialize
3070         discarded_eh_frame_shndx_ to -1U.
3071         (Sized_relobj::do_layout): Record index of a discard .eh_frame
3072         section.
3073         (Sized_relobj::do_count_local_symbols): Skip local symbols in
3074         a discarded .eh_frame section.
3075         (Sized_relobj::do_finalize_local_symbols): Ditto.
3076         * object.h (class Sized_relobj): Declare new member
3077         discarded_eh_frame_shndx_.
3078         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3079         (local_labels_test.o, local_labels_test): New rules.
3080         * testsuite/Makefile.in: Regenerate.
3082 2009-06-04  Doug Kwan  <dougkwan@google.com>
3084         * layout.cc (Layout::section_name_mapping): Add mapping for
3085         special ARM sections.
3087 2009-06-03  Doug Kwan  <dougkwan@google.com>
3089         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3090         (utils::has_overflow): Same.
3092 2009-06-03  Ian Lance Taylor  <iant@google.com>
3094         * layout.cc (Layout::section_name_mapping): New array, replacing
3095         Layout::linkonce_mapping.
3096         (Layout::section_name_mapping_count): New variable, replacing
3097         Layout::linkonce_mapping_count.
3098         (Layout::linkonce_output_name): Remove.
3099         (Layout::output_section_name): Rewrite.
3100         * layout.h (class Layout): Rename Linkonce_mapping to
3101         Section_name_mapping, linkonce_mapping to section_name_mapping,
3102         linkonce_mapping_count to section_name_mapping_count.  Don't
3103         declare linkonce_output_name.
3105 2009-06-03  Doug Kwan  <dougkwan@google.com>
3107         * gold/arm.cc (namespace utils): New.
3108         (Target_arm::reloc_is_non_pic): Define new method.
3109         (class Arm_relocate_functions): New.
3110         (Target_arm::Relocate::relocate): Handle relocation types used by
3111         Android.
3113 2009-06-03  Ian Lance Taylor  <iant@google.com>
3115         * arm.cc (Target_arm::scan::global): Use || instead of |.
3117 2009-06-02  Doug Kwan  <dougkwan@google.com>
3119         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
3120         issued_non_pic_error_.
3121         (class Target_arm::Scan): Declare new method check_non_pic.
3122         Define new method symbol_needs_plt_entry.
3123         Declare new data member issued_non_pic_error_.
3124         (class Target_arm::Relocate): Declare new method
3125         should_apply_static_reloc.
3126         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3127         (Target_arm::Scan::check_non_pic): Define new method.
3128         (Target_arm::Scan::local): Handle a small subset of reloc types used
3129         by Android.
3130         (Target_arm::Scan::local): Same.
3131         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3133 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
3135         * incremental.cc (Incremental_inputs::report_command_line): Filter
3136         out --incremental-* options.
3138 2009-05-29  Doug Kwan  <dougkwan@google.com>
3140         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3141         template class.
3142         (class Target_arm): Update comment.
3143         (Target_arm::Target_arm): Initialize new data members GOT_,
3144         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3145         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3146         and Target_arm::rel_dyn_section.
3147         Declare new_enum Target_arm::Got_type.
3148         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3149         and DYNBSS_.
3150         Update commments for member do_dynsym_value.
3151         (Target_arm::got_size, Target_arm::plt_section,
3152         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3153         new methods inside class defintion.
3154         (Target_arm::got_section): Define new method.
3155         (Target_arm::rel_dyn_section): Same.
3156         (Output_data_plt_arm): New template class.
3157         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3158         (Output_data_plt_arm:do_adjust_output_section): Define new method.
3159         (Output_data_plt_arm::add_entry): Same.
3160         (Output_data_plt_arm::first_plt_entry): Define new
3161         static data member for PLT instruction template.
3162         (Output_data_plt_arm::plt_entry): Same.
3163         (Output_data_plt_arm::do_write): Define new method.
3164         (Target_arm::make_plt_entry): Same.
3165         (Target_arm::do_finalize_sections): Same.
3166         (Target_arm::do_dynsym_value): Same.
3168 2009-05-28  Doug Kwan  <dougkwan@google.com>
3170         * Makefile.am (TARGETSOURCES): Add arm.cc.
3171         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3172         * Makefile.in: Regenerate.
3173         * arm.cc: New file.
3174         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3176 2009-05-26  Doug Kwan  <dougkwan@google.com>
3178         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
3179         (General_options::check_excluded_libs): Strip off directories in
3180         archive name before matching like GNU ld does.
3181         * testsuite/Makefile.am (MOSTLYCLEANFILES,
3182         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3183         (exclude_libs_test_LDFLAGS): Add linker option
3184         -Wl,--exclude-libs,libexclude_libs_test_3
3185         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3186         an explicit archive without using -l.
3187         (alt/libexclude_libs_test_3.a): New make rule.
3188         * testsuite/Makefile.in: Regenerate.
3189         * testsuite/exclude_libs_test.c : Declare lib3_default().
3190         (main): Call it.
3191         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
3192         * exclude_libs_test_3.c: New file.
3194 2009-05-26  Nick Clifton  <nickc@redhat.com>
3196         * po/id.po: New Indonesian translation.
3197         * po/gold.pot: Updated template file.
3199 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
3201         * testsuite/Makefile.am: Add -ffunction-sections to compile 
3202         gc_comdat_test files.  Add -Wl,--gc-sections to build
3203         gc_comdat_test.
3204         * testsuite/Makefile.in: Regenerate.
3205         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
3207 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
3209         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
3210         kept comdat section was garbage collected.
3211         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
3212         * testsuite/Makefile.in: Regenerate.
3213         * testsuite/gc_comdat_test.sh: New file.
3214         * testsuite/gc_comdat_test_1.cc: New file.
3215         * testsuite/gc_comdat_test_2.cc: New file.
3217 2009-05-19  Doug Kwan  <dougkwan@google.com>
3219         * archive.cc (Archive::Archive): Move constructor from archive.h
3220         to here.  Initialize no_export_.
3221         (Archive::get_elf_object_for_member): Set no_export flag of object.
3222         * archive.h (Archive::Archive): Move constructor body to
3223         archive.cc.
3224         (Archive::no_export): New method.
3225         (Archive::no_export_): New field.
3226         * object.h (Object::Object): Initialize no_export_ to false.
3227         (Object::no_export, Object::set_no_export): New methods.
3228         (Object::no_export_): New field.
3229         * options.cc (General_options::parse_exclude_libs): New method.
3230         (General_options::check_excluded_libs) Same.
3231         * options.h (exclude_libs): New option.
3232         (General_options::check_excluded_libs): New method declaration.
3233         (General_options::excluded_libs_): New field.
3234         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3235         default or protected visibility if an object has no-export flag set.
3236         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3237         (check_SCRIPTS): Add exclude_libs_test.sh.
3238         (check_DATA): Add exclude_libs_test.syms.
3239         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3240         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3241         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3242         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3243         (exclude_libs_test.syms, libexclude_libs_test_1.a,
3244         libexclude_libs_test_2.a): New rules.
3245         * testsuite/Makefile.in: Regenerate.
3246         * testsuite/exclude_libs_test.c: New file.
3247         * testsuite/exclude_libs_test.sh: Ditto.
3248         * testsuite/exclude_libs_test_1.c: Ditto.
3249         * testsuite/exclude_libs_test_2.c: Ditto.
3251 2009-05-15  Ian Lance Taylor  <iant@google.com>
3253         * configure.ac: Check for declarations for cases where libiberty.h
3254         checks HAVE_DECL_xxx.
3255         * configure, config.in: Rebuild.
3257 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
3259         * gold.h (Incremental_argument_list): Remove (invalid) forward
3260         declaration.
3261         * incremental.cc (Incremental_inputs::report_achive): New method.
3262         (Incremental_inputs::report_object): New method.
3263         (Incremental_inputs::report_script): New method.
3264         (Incremental_inputs::finalize_inputs): New method.
3265         (Incremental_inputs::finalize): Call finalize_inputs().
3266         (Incremental_inputs::sized_create_incremental_inputs_section_data):
3267         Create inputs entries.
3268         * incremental.h (Incremental_input_type): New enum.
3269         (Incremental_inputs::Incremental_input): Initialize new fields.
3270         (Incremental_inputs::report_inputs): New method.
3271         (Incremental_inputs::report_achive): New method.
3272         (Incremental_inputs::report_object): New method.
3273         (Incremental_inputs::report_script): New method.
3274         (Incremental_inputs::finalize_inputs): New method.
3275         (Incremental_inputs::Input_info): New struct.
3276         (Incremental_inputs::Input_info_map): New typedef.
3277         (Incremental_inputs::lock_): New field.
3278         (Incremental_inputs::Inputs_): New field.
3279         (Incremental_inputs::Inputs_map): New field.
3280         * main.cc (main): Call Incremental_input::report_inputs.
3281         * options.h (Input_argument_list): Typedef moved from
3282         Input_arguments.
3283         (Input_file_group::Files): Remove, use ::Input_argument_list.
3284         (Input_file_group::Input_argument_list): Remove, use
3285         ::Input_argument_list.
3286         * plugin.cc (Plugin_manager::add_input_file): Add error in
3287         incremental build.
3288         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3289         functions.
3290         * script.cc (read_input_script): Call
3291         Incremental_input::report_script.
3292         * script.h (Script_info): New class.
3294 2009-04-27  Ian Lance Taylor  <iant@google.com>
3296         * x86_64.cc (do_adjust_output_section): Set entsize to
3297         plt_entry_size.
3299 2009-04-23  Elliott Hughes  <enh@google.com>
3301         * output.cc (Output_file::close): After short writes, continue
3302         writing from the correct offset in the buffer being written.
3304 2009-04-23  Chris Demetriou  <cgd@google.com>
3306         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3307         * configure: Regenerate.
3308         * config.in: Regenerate.
3309         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
3310         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
3312 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
3314         * incremental.cc (Incremental_inputs_header_data): Renamed from
3315         Incremental_input_header_data.
3316         (Incremental_inputs_header_data::data_size): New field.
3317         (Incremental_inputs_header_data::put_input_file_count): Renamed
3318         from input_file_count.
3319         (Incremental_inputs_header_data::put_command_line_offset): Renamed
3320         from command_line_offset.
3321         (Incremental_inputs_header_data::put_reserved): Renamed from
3322         put_reserved.
3323         (Incremental_inputs_entry_data): Renamed from
3324         Incremental_input_entry_data.
3325         (Incremental_inputs_entry_data::data_size): New field.
3326         (Incremental_inputs::report_command_line): New method.
3327         (Incremental_inputs::finalize): New method.
3328         (Incremental_inputs::create_incremental_inputs_data): New method.
3329         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
3330         * incremental.h: New file.
3331         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
3332        (Layout::finalize): Create incremental inputs section in
3333         incremental builds.
3334        (Layout::create_incremental_info_sections): New method.
3335         * layout.h (Layout::incremental_inputs): New method.
3336        (Layout::create_incremental_info_sections): New method.
3337        (Layout::incremental_inputs_): New field.
3338         * main.cc (main): Notify Incremental_input of the command line.
3340 2009-04-01  Ian Lance Taylor  <iant@google.com>
3341             Mikolaj Zalewski  <mikolajz@google.com>
3343         * gold.h (reserve_unordered_map): Define, three versions, one for
3344         each version of Unordered_map.
3345         * layout.cc (Layout::Layout): Remove options parameter.  Add
3346         number_of_input_files parameter.  Don't initialize options_.
3347         Initialize number_of_input_files_ and resized_signatures_.  Move
3348         sections_are_attached_.
3349         (Layout::layout_group): Reserve space for group_signatures_.
3350         (Layout::find_or_add_kept_section): Change name parameter to be a
3351         reference.  Resize signatures_ map when it gets large enough.
3352         (Layout::layout_eh_frame): Use parameters->options() instead of
3353         this->options_.
3354         (Layout::make_output_section): Likewise.
3355         (Layout::attach_allocated_section_to_segment): Likewise.
3356         (Layout::finalize, Layout::create_executable_stack): Likewise.
3357         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
3358         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
3359         * layout.h (class Layout): Update declarations.  Remove options_
3360         field.  Add number_of_input_files_ and resized_signatures_
3361         fields.  Move sections_are_attached_ field.
3362         * main.cc (main): Pass number of input files to Layout
3363         constructor.  Don't pass options.
3365 2009-03-30  Ian Lance Taylor  <iant@google.com>
3367         * ffsll.c (ffsll): Correct implementation.
3369 2009-03-27  Ian Lance Taylor  <iant@google.com>
3371         * ffsll.c: New file.
3372         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
3373         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
3374         * ftruncate.c (ftruncate): Declare before definition.
3375         * mremap.c (mremap): Likewise.
3376         * pread.c (pread): Likewise.
3377         * configure, Makefile.in, config.in: Rebuild.
3379         * mremap.c: New file.
3380         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
3381         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
3382         (mremap): Declare if HAVE_MREMAP is not defined.
3383         * configure, Makefile.in, config.in: Rebuild.
3385 2009-03-27  Cary Coutant  <ccoutant@google.com>
3387         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
3388         position independent.
3389         * sparc.cc (Target_sparc::check_non_pic): Likewise.
3390         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
3392 2009-03-24  Cary Coutant  <ccoutant@google.com>
3394         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
3395         an executable.
3396         (needs_dynamic_reloc): Likewise.
3398 2009-03-24  Ian Lance Taylor  <iant@google.com>
3400         * yyscript.y (file_cmd): Recognize EXTERN.
3401         (extern_name_list, extern_name_list_body): New nonterminals.
3402         * script.cc (script_add_extern): Define.
3403         * script-c.h (script_add_extern): Declare.
3405 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
3407         * object.cc (is_elf_object): Define.
3408         * object.h (is_elf_object): Declare.
3409         * archive.cc (Archive::get_elf_object_for_member): Call
3410         is_elf_object.
3411         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
3413 2009-03-24  Elliott Hughes  <enh@google.com>
3415         * output.cc (Output_file::map_anonymous): Define.
3416         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
3417         try an anonymous one.  Report the size if the mmap fails.
3418         * output.h (class Output_file): Declare map_anonymous.
3420 2009-03-24  Ian Lance Taylor  <iant@google.com>
3422         * target-select.cc (instantiate_target): Don't acquire the lock if
3423         the instantiated_target_ field has already been set.
3425 2009-03-23  Ian Lance Taylor  <iant@google.com>
3427         * gold-threads.h (class Initialize_lock): Define.
3428         * gold-threads.cc (class Initialize_lock_once): Define.
3429         (initialize_lock_control): New static variable.
3430         (initialize_lock_pointer): New static variable.
3431         (initialize_lock_once): New static function.
3432         (Initialize_lock::Initialize_lock): Define.
3433         (Initialize_lock::initialize): Define.
3434         * target-select.h: Include "gold-threads.h".
3435         (class Target_selector): Add lock_ and initialize_lock_ fields.
3436         Don't define instantiate_target, just declare it.
3437         * target-select.cc (Target_selector::Target_selector): Initialize
3438         new fields.
3439         (Target_selector::instantiate_target): Define.
3440         * descriptors.h: Include "gold-threads.h".
3441         (class Descriptors): Add initialize_lock_ field.
3442         * descriptors.cc (Descriptors::Descriptors): Initialize new
3443         field.
3444         (Descriptors::open): Use initialize_lock_ field
3445         * errors.h (class Errors): Add initialize_lock_ field.
3446         * errors.cc (Errors::Errors): Initialize new field.
3447         (Errors::initialize_lock): Use initialize_lock_ field.
3448         * powerpc.cc (class Target_selector_powerpc): Remove
3449         instantiated_target_ field.  In do_recognize call
3450         instantiate_target rather than do_instantiate_target.  In
3451         do_instantiate_target just allocate a new target.
3452         * sparc.cc (class Target_selector_sparc): Likewise.
3454         * freebsd.h: New file.
3455         * i386.cc: Include "freebsd.h".
3456         (Target_i386): Derive from Target_freebsd rather than
3457         Sized_target.
3458         (Target_selector_i386): Derive from Target_selector_freebsd rather
3459         than Target_selector.
3460         * x86_64.cc: Include "freebsd.h".
3461         (Target_x86_64): Derive from Target_freebsd rather than
3462         Sized_target.
3463         (Target_selector_x86_64): Derive from Target_selector_freebsd
3464         rather than Target_selector.
3465         * target.h (class Target): Add adjust_elf_header and
3466         do_adjust_elf_header.
3467         * output.cc (Output_file_header:: do_sized_write): Call target
3468         adjust_elf_header routine.
3469         * configure.tgt: Set targ_osabi.
3470         * configure.ac: Define GOLD_DEFAULT_OSABI.
3471         * parameters.cc (Parameters::default_target): Pass
3472         GOLD_DEFAULT_OSABI to select_target.
3473         * target-select.h (class Target_selector): Make instantiate_target
3474         protected rather than private.
3475         * Makefile.am (HFILES): Add freebsd.h.
3476         * configure, Makefile.in, config.in: Rebuild.
3478         * merge.cc (do_add_input_section): Correct pend value.  Change
3479         message about last entry not being null terminated from error to
3480         warning.
3482 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
3484         * incremental.cc: New file.
3485         * Makefile.am (CCFILES): Add incremental.cc.
3486         * Makefile.in: Rebuild.
3488 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
3490         * layout.cc (Layout::output_section_name): Preserve names
3491         of '.note.' sections.
3492         
3493 2009-03-19  Ian Lance Taylor  <iant@google.com>
3495         * descriptors.cc (Descriptors::open): Check that the options are
3496         valid before using them.
3498 2009-03-18  Ian Lance Taylor  <iant@google.com>
3500         * script-sections.h: Include <list>.
3501         (class Script_sections): Change Sections_elements from std::vector
3502         to std::list.  Typedef public Elements_iterator.  Add
3503         orphan_section_placement_, data_segment_align_start_, and
3504         saw_data_segment_align_ fields.  Remove data_segment_align_index_
3505         field.
3506         * script-sections.cc (class Orphan_section_placement): New class.
3507         (class Sections_element): Add virtual functions is_relro and
3508         orphan_section_init.  Remove virtual function place_orphan_here.
3509         (class Output_section_definition): Add is_relro and
3510         orphan_section_init.  Remove place_orphan_here.
3511         (class Orphan_output_section): Likewise.
3512         (Script_sections::Script_sections): Update for field changes.
3513         (Script_sections::data_segment_align): Set saw_data_segment_align_
3514         and data_segment_align_start_, not data_segment_align_index.
3515         (Script_sections::data_segment_relro_end): Check
3516         saw_data_segment_align_.  Use data_segment_align_start_ rather
3517         than data_segment_align_index_.
3518         (Script_sections::place_orphan): Rewrite to use
3519         Orphan_section_placement.
3521 2009-03-17  Ian Lance Taylor  <iant@google.com>
3523         * archive.cc (Archive::add_symbols): Check for a version attached
3524         to the symbol name in the archive map.
3525         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3526         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3527         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3528         (ver_test_11.a): New target.
3529         * testsuite/Makefile.in: Rebuild.
3531         * configure.ac: Check for chsize and posix_fallocate.  Replace
3532         ftruncate.
3533         * ftruncate.c: New file, from gnulib.
3534         * output.cc (posix_fallocate): Define dummy version if not
3535         HAVE_POSIX_FALLOCATE.
3536         (Output_file::map): Call posix_fallocate rather than lseek and
3537         write.
3538         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3539         * configure, Makefile.in, config.in: Rebuild.
3541 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3542         
3543         * layout.h (Layout::create_note): Add section_name parameter.
3544         * layout.cc (Layout::create_note): Likewise.
3545         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3546         
3547 2009-03-17  Ian Lance Taylor  <iant@google.com>
3549         * descriptors.cc: Include "options.h".
3550         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3551         (Descriptors::open): Always use O_CLOEXEC when opening a new
3552         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3553         then set FD_CLOEXEC.
3555         * sparc.cc (class Target_sparc): Add has_got_section.
3556         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3557         make sure we have a GOT section.
3559         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3560         (Target_sparc::Scan::local): Likewise.
3561         (Target_sparc::Scan::global): Likewise.
3562         (Target_sparc::Relocate::relocate): Likewise.
3563         (Target_sparc::Relocate::relocate_tls): Likewise.
3565         * symtab.cc (Symbol_table::define_default_version): New function,
3566         broken out of add_from_object.
3567         (Symbol_table::add_from_object): Call define_default_version.
3568         (Symbol_table::define_special_symbol): Add resolve_oldsym
3569         parameter.  Change all callers.  If the version for a symbol comes
3570         from a version script, resolve it with the symbol with the same
3571         name with no version.  Also add the symbol without a version if
3572         appropriate.
3573         (do_define_in_output_data): If resolving with oldsym, don't delete
3574         sym.
3575         (do_define_in_output_segment): Likewise.
3576         (do_define_as_constant): Likewise.
3577         * symtab.h (class Symbol_table): Update declarations.
3579 2009-03-13  Ian Lance Taylor  <iant@google.com>
3581         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3582         (Read_symbols::requeue): New function.
3583         (Read_symbols::do_read_symbols): If make_elf_object fails because
3584         the target type is not configured, and the file was searched for,
3585         issue a warning and retry with the next directory.
3586         (Add_symbols::run): If the file has an incompatible format, and
3587         it was searched for, requeue the Read_symbols task.  On error,
3588         release the object.
3589         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3590         dirindex parameter to constructor.  Change all callers.  Declare
3591         incompatible_warning and requeue.
3592         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3593         input_argument_ and input_group_ fields.  Add them to
3594         constructor.  Change all callers.
3595         (class Read_script): Add dirindex_ field.  Add it to constructor.
3596         Change all callers.
3597         * archive.cc (Archive::setup): Remove input_objects parameter.
3598         Change all callers.
3599         (Archive::get_file_and_offset): Likewise.
3600         (Archive::read_all_symbols): Likewise.
3601         (Archive::read_symbols): Likewise.
3602         (Archive::get_elf_object_for_member): Remove input_objects
3603         parameter.  Add punconfigured parameter.  Change all callers.
3604         (Archive::add_symbols): Change return type to bool.  Check return
3605         value of include_member.
3606         (Archive::include_all_members): Likewise.
3607         (Archive::include_member): Change return type to bool.  Return
3608         false if first included object has incompatible target.  Set
3609         included_member_ field.
3610         (Add_archive_symbols::run): If add_symbols returns false, requeue
3611         Read_symbols task.
3612         * archive.h (class Archive): Add included_member_ field.
3613         Initialize it in constructor.  Add input_file and searched_for
3614         methods.  Update declarations.
3615         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3616         input_argument_ fields.  Add them to constructor.  Change all
3617         callers.
3618         * script.cc: Include "target-select.h".
3619         (class Parser_closure): Add skip_on_incompatible_target_ and
3620         found_incompatible_target_ fields.  Add
3621         skip_on_incompatible_target parameter to constructor.  Change all
3622         callers.  Add methods skip_on_incompatible_target,
3623         clear_skip_on_incompatible_target, found_incompatible_target, and
3624         set_found_incompatible_target.
3625         (read_input_script): Add dirindex parameter.  Change all callers.
3626         If parser finds an incompatible target, requeue Read_symbols
3627         task.
3628         (script_set_symbol): Clear skip_on_incompatible_target in
3629         closure.
3630         (script_add_assertion, script_parse_option): Likewise.
3631         (script_start_sections, script_add_phdr): Likewise.
3632         (script_check_output_format): New function.
3633         * script.h (read_input_script): Update declaration.
3634         * script-c.h (script_check_output_format): Declare.
3635         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3636         (ignore_cmd): Remove OUTPUT_FORMAT.
3637         * fileread.cc (Input_file::Input_file): Add explicit this.
3638         (Input_file::will_search_for): New function.
3639         (Input_file::open): Add pindex parameter.  Change all callers.
3640         * fileread.h (class Input_file): Add input_file_argument method.
3641         Declare will_search_for.  Update declarations.
3642         * object.cc (make_elf_object): Add punconfigured parameter.
3643         Change all callers.
3644         * object.h (class Object): Make input_file public.  Add
3645         searched_for method.
3646         (make_elf_object): Update declaration.
3647         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3648         restart search.
3649         * dirsearch.h (class Dirsearch): Update declaration.
3650         * options.h (class General_options): Add --warn-search-mismatch.
3651         * parameters.cc (Parameters::is_compatible_target): New function.
3652         * parameters.h (class Parameters): Declare is_compatible_target.
3653         * workqueue.cc (Workqueue::add_blocker): New function.
3654         * workqueue.h (class Workqueue): Declare add_blocker.
3656         * fileread.cc (Input_file::open): Remove options parameter.
3657         Change all callers.
3658         (Input_file::open_binary): Likewise.
3659         * script.cc (read_input_script): Likewise.
3660         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3661         options parameter from constructor.  Change all callers.
3662         (class Read_script): Likewise.
3663         * fileread.h (class Input_file): Update declarations.
3664         * script.h (read_input_script): Update declaration.
3666 2009-03-10  Nick Clifton  <nickc@redhat.com>
3668         * po/es.po: New Spanish translation.
3670 2009-03-06  Cary Coutant  <ccoutant@google.com>
3672         * options.cc (parse_short_option): Keep dash_z from registering itself.
3674 2009-03-03  Ian Lance Taylor  <iant@google.com>
3676         PR 9918
3677         * target-reloc.h (relocate_section): Pass output_section to
3678         relocate.
3679         * i386.cc (Target_i386::should_apply_static_reloc): Add
3680         output_section parameter.  Change all callers.
3681         (Target_i386::Relocate::relocate): Add output_section parameter.
3682         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3683         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3684         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3685         * testsuite/two_file_shared.sh: New script.
3686         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3687         (check_DATA): Add two_file_shared.dbg.
3688         (two_file_shared.dbg): New target.
3689         * testsuite/Makefile.in: Rebuild.
3691 2009-03-01  Ian Lance Taylor  <iant@google.com>
3693         * configure.ac: Check for byteswap.h.
3694         * configure: Rebuild.
3695         * config.in: Rebuild.
3697 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3699         * layout.cc (Layout::find_or_add_kept_section): New function.
3700         (Layout::add_comdat): Removed.
3701         * layout.h (struct Kept_section): Move out of class Layout.
3702         Remove trailing underscores from field names.  Add group_sections
3703         field.  Rename group_ field to is_group.  Change all uses.
3704         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3705         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3706         comdat_groups_ field.
3707         (Sized_relobj::include_section_group): Use
3708         find_or_add_kept_section and Kept_section::group_sections.
3709         (Sized_relobj::include_linkonce_section): Likewise.
3710         * object.cc (class Sized_relobj): Don't define Comdat_group or
3711         Comdat_group_table.  Remove find_comdat_group and
3712         add_comdat_group.  Remove comdat_groups_ field.
3713         * plugin.cc (include_comdat_group): Use
3714         Layout::find_or_add_kept_section.
3716 2009-02-28  Ian Lance Taylor  <iant@google.com>
3718         * README: --gc-sections and map files are now supported.  Document
3719         some build requirements.
3721         PR 6992
3722         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3723         relocatable link set the value of the section symbol to zero.
3724         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3725         relocatable link don't include the section address in the local
3726         symbol value.
3728 2009-02-27  Ian Lance Taylor  <iant@google.com>
3730         PR 6811
3731         * options.h (class Search_directory): Add is_system_directory.
3732         (class General_options): Declare is_in_system_directory.
3733         * options.cc (get_relative_sysroot): Make static.
3734         (get_default_sysroot): Make static.
3735         (General_optoins::is_in_system_directory): New function.
3736         * fileread.cc (Input_file::is_in_system_directory): New function.
3737         * fileread.h (class Input_file): Declare is_in_system_directory.
3738         * object.h (class Object): Add is_in_system_directory.
3739         (class Input_objects): Remove system_library_directory_ field.
3740         * object.cc (Input_objects::add_object): Don't set
3741         system_library_directory_.
3742         (input_objects::found_in_system_library_directory): Remove.
3743         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3744         parameter.  Change all callers.
3745         (Symbol_table::sized_write_globals): Likewise.
3746         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3747         Call Object::is_in_system_directory.
3748         * symtab.h (class Symbol_table): Update declarations.
3750         PR 5990
3751         * descriptors.h (Open_descriptor): Add is_on_stack field.
3752         * descriptors.cc (Descriptors::open): If the descriptor is on the
3753         top of the stack, remove it.  Initialize is_on_stack field.
3754         (Descriptors::release): Only add pod to stack if it is not on the
3755         stack already.
3756         (Descriptors::close_some_descriptor): Clear stack_next and
3757         is_on_stack fields.
3759         PR 7091
3760         * output.cc (Output_section::find_starting_output_address): Rename
3761         from starting_output_address; add PADDR parameter; change return
3762         type.
3763         * output.h (class Output_section): Declare
3764         find_starting_output_address instead of starting_output_address.
3765         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3766         section symbol for which we can't find a merge section.
3768         PR 9836
3769         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3770         hidden or internal, force the symbol to be local.
3771         * resolve.cc (Symbol::override_visibility): Define.
3772         (Symbol::override_base): Use override_visibility.
3773         (Symbol_table::resolve): Likewise.
3774         (Symbol::override_base_with_special): Likewise.
3775         (Symbol_table::override_with_special): If the visibility is hidden
3776         or internal, force the symbol to be local.
3777         * symtab.h (class Symbol): Add set_visibility and
3778         override_visibility.
3779         * testsuite/ver_test_1.sh: New file.
3780         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3781         (check_DATA): Add ver_test_1.syms.
3782         (ver_test_1.syms): New target.
3783         * testsuite/Makefile.in: Rebuild.
3785 2009-02-25  Cary Coutant  <ccoutant@google.com>
3787         * layout.cc (Layout::choose_output_section): Don't rename sections
3788         when using a linker script that has a SECTIONS clause.
3789         * Makefile.in: Regenerate.
3791         * testsuite/Makefile.am (script_test_5.sh): New test case.
3792         * testsuite/Makefile.in: Regenerate.
3793         * testsuite/script_test_5.cc: New file.
3794         * testsuite/script_test_5.sh: New file.
3795         * testsuite/script_test_5.t: New file.
3797 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3799         * archive.cc (Archive::include_member): Update calls to add_symbols.
3800         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3801         the Layout argument.
3802         * dynobj.h (do_add_symbols): Add the Layout argument.
3803         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3804         Layout argument.
3805         * object.h (Object::add_symbols): Add the Layout argument.
3806         (Object::do_add_symbols): Add the Layout argument.
3807         (Sized_relobj::do_add_symbols): Add the Layout argument.
3808         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3809         Unify the two versions.
3810         (Add_plugin_symbols): Remove.
3811         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3812         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3813         (Add_plugin_symbols): Remove.
3814         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3815         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3816         (Add_symbols::run): Make it work with Pulginobj.
3818 2009-02-06  Ian Lance Taylor  <iant@google.com>
3820         * object.cc (Sized_relobj::do_layout): Make info message start
3821         with lower case letter.
3823 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3825         * binary.cc: Fix file comment.
3827         * options.h (enum Incremental_disposition): Define.
3828         (class General_options): Add new options: --incremental,
3829         --incremental_changed, --incremental_unchanged,
3830         --incremental_unknown.  Add incremental_disposition_ and
3831         implicit_incremental_ fields.
3832         (General_options::incremental_disposition): New function.
3833         (class Position_dependent_options): Add incremental_disposition
3834         option.
3835         (Position_dependent_options::copy_from_options): Set incremental
3836         dispositions.
3837         * options.cc (General_options::parse_incremental_changed): New
3838         function.
3839         (General_options::parse_incremental_unchanged): New function.
3840         (General_options::parse_incremental_unknown): New function.
3841         (General_options::General_options): Initialize new fields
3842         incremental_disposition_ and implicit_incremental_.
3843         (General_options::finalize): Check for uasge of --incremental-*
3844         without --incremental.
3846 2009-02-06  Chris Demetriou  <cgd@google.com>
3848         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3849         pointer and to report location as the file name associated with
3850         the symbol.
3851         (gold_undefined_symbol_at_location): New function to replace the
3852         old gold_undefined_symbol functionality.
3853         * target-reloc.h (relocate_section): Update to use
3854         gold_undefined_symbol_at_location.
3855         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3856         Call gold_undefined_symbol function rather than gold_error.
3857         * errors.h (Errors::undefined_symbol): Take location as a
3858         string, rather than calculating it from a relocation.
3859         * errors.cc (Errors::fatal): Print "fatal error:" before the
3860         formatted message.
3861         (Errors::error, Errors::error_at_location): Print "error: "
3862         before the formatted message.
3863         (Errors::undefined_symbol): Take location as a string, rather
3864         than calculating it from a relocation.
3865         (gold_undefined_symbol_at_location): New function akin to
3866         old gold_undefined_symbol, calculates location from relocation.
3867         (gold_undefined_symbol): Change to take only a Symbol pointer
3868         and to report location as the file name associated with the symbol.
3869         * testsuite/debug_msg.sh: Update for changed error messages.
3870         * testsuite/undef_symbol.sh: Likewise.
3872 2009-02-04  Duncan Sands  <baldrick@free.fr>
3874         PR 9812
3875         * reduced_debug_output.h
3876         (Output_reduced_debug_abbrev_section::failed): Use format for
3877         gold_warning.
3878         (Output_reduced_debug_info_section::faild): Likewise.
3880 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3882         * script.cc (Lazy_demangler): New class.
3883         (Version_script_info::get_symbol_version_helper): Demangle a
3884         symbol only once.
3886 2009-01-29  Cary Coutant  <ccoutant@google.com>
3888         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3889         to __tls_get_addr.
3890         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3892 2009-01-28  Ian Lance Taylor  <iant@google.com>
3894         * version.cc (version_string): Bump to 1.9.
3896         * gold.h: Include <cstring> and <stdint.h>.
3897         * version.cc: Include <cstdio>.
3898         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3899         warning.
3900         * reduced_debug_output.cc (insert_into_vector): Rename from
3901         Insert_into_vector; change all callers.  Use Swap_unaligned to
3902         avoid aliasing issue; remove union since it is unnecessary.
3904 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3906         * Makefile.am (CCFILES): Add gc.cc.
3907         (HFILES): Add gc.h.
3908         * Makefile.in: Regenerate.
3909         * gold.cc (Gc_runner): New class.
3910         (queue_initial_tasks): Call garbage collection related tasks
3911         when corresponding options are invoked.
3912         (queue_middle_gc_tasks): New function.
3913         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3914         processed early before laying out sections during garbage collection.
3915         * gold.h (queue_middle_gc_tasks): New function.
3916         (is_prefix_of): Move from "layout.cc".
3917         * i386.cc (Target_i386::gc_process_relocs): New function.
3918         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3919         * main.cc (main): Create object of class "Garbage_collection".
3920         * object.cc (Relobj::copy_symbols_data): New function.
3921         (Relobj::is_section_name_included): New function.
3922         (Sized_relobj::do_layout): Allow this function to be called twice 
3923         during garbage collection and defer layout of section during the 
3924         first call.
3925         * object.h (Relobj::get_symbols_data): New function.
3926         (Relobj::is_section_name_included): New function.
3927         (Relobj::copy_symbols_data): New function.
3928         (Relobj::set_symbols_data): New function.
3929         (Relobj::get_relocs_data): New function.
3930         (Relobj::set_relocs_data): New function.
3931         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3932         (Relobj::gc_process_relocs): New function.
3933         (Relobj::do_gc_process_relocs): New pure virtual function.
3934         (Relobj::sd_): New data member.
3935         (Sized_relobj::is_output_section_offset_invalid): New function.
3936         (Sized_relobj::do_gc_process_relocs): New function.
3937         * options.h (General_options::gc_sections): Modify to not be a no-op.
3938         (General_options::print_gc_sections): New option.
3939         * plugin.cc (Plugin_finish::run): Remove function call to
3940         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3941         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3942         * reloc.cc (Read_relocs::run): Add task to process relocs and
3943         determine unreferenced sections when doing garbage collection.
3944         (Gc_process_relocs): New class.
3945         (Sized_relobj::do_gc_process_relocs): New function.
3946         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3947         sections that are garbage collected.
3948         * reloc.h (Gc_process_relocs): New class.
3949         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3950         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3951         symbols whose corresponding sections are garbage collected.
3952         (Symbol_table::Symbol_table): Add new parameter for the garbage
3953         collection object.
3954         (Symbol_table::gc_mark_undef_symbols): New function.
3955         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3956         (Symbol_table::gc_mark_dyn_syms): New function.
3957         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3958         as garbage.
3959         (Symbol_table::add_from_object): Likewise.
3960         (Symbol_table::add_from_relobj): When building shared objects, do not
3961         treat externally visible symbols as garbage.
3962         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3963         table information for static and relocatable links.
3964         * symtab.h (Symbol_table::set_gc): New function.
3965         (Symbol_table::gc): New function.
3966         (Symbol_table::gc_mark_undef_symbols): New function.
3967         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3968         (Symbol_table::gc_mark_dyn_syms): New function.
3969         (Symbol_table::gc_): New data member.
3970         * target.h (Sized_target::gc_process_relocs): New pure virtual 
3971         function.
3972         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3973         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3975 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3977         * options.h (General_options::gc_sections): Define as a no-op for now.
3978         (General_options::no_keep_memory): Ditto.
3979         (General_options::Bshareable): Define.
3980         * options.cc (General_options::finalize): Honor -Bshareable.
3982 2009-01-20  Andreas Schwab  <schwab@suse.de>
3984         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3985         read the value in the contents, since we don't use it.  Use the
3986         template endianness when writing.
3987         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3989 2009-01-19  Andreas Schwab  <schwab@suse.de>
3991         * configure.tgt (powerpc64-*): Fix targ_obj.
3993 2009-01-15  Ian Lance Taylor  <iant@google.com>
3995         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3996         local symbols when stripping all symbols.
3998 2009-01-14  Cary Coutant  <ccoutant@google.com>
4000         * output.cc (Output_reloc): Add explicit instantiations.
4002 2009-01-14  Cary Coutant  <ccoutant@google.com>
4004         * archive.cc (Archive::get_elf_object_for_member): Remove call
4005         to File_read::claim_for_plugin.
4006         * descriptors.cc (Descriptors::open): Remove reference to
4007         is_claimed.
4008         (Descriptors::claim_for_plugin): Remove.
4009         * descriptors.h (Descriptors::claim_for_plugin): Remove.
4010         (Descriptors::is_claimed): Remove.
4011         (claim_descriptor_for_plugin): Remove.
4012         * fileread.cc (File_read::claim_for_plugin): Remove.
4013         * fileread.h (File_read::claim_for_plugin): Remove.
4014         (File_read::descriptor): Reopen descriptor if necessary.
4015         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
4016         (Plugin_manager::all_symbols_read): Add task parameter. Change
4017         all callers.
4018         (Plugin_manager::get_input_file): New function.
4019         (Plugin_manager::release_input_file): New function.
4020         (Pluginobj::Pluginobj): Add filesize parameter and initialize
4021         corresponding data member.
4022         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4023         and pass to base constructor. Change all callers.
4024         (get_input_file, release_input_file): New functions.
4025         (make_sized_plugin_object): Add filesize parameter. Change all callers.
4026         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4027         (Plugin_manager::all_symbols_read): Add task parameter.
4028         (Plugin_manager::get_input_file): New function.
4029         (Plugin_manager::release_input_file): New function.
4030         (Plugin_manager::task_): New data member.
4031         (Pluginobj::Pluginobj): Add filesize parameter.
4032         (Pluginobj::filename): New function.
4033         (Pluginobj::descriptor): New function.
4034         (Pluginobj::filesize): New function.
4035         (Pluginobj::filesize_): New data member.
4036         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4037         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4038         File_read::claim_for_plugin; use Object::unlock to unlock the file.
4040         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4041         with archive libraries.
4042         * testsuite/Makefile.in: Regenerate.
4043         * testsuite/plugin_test.c (struct sym_info): New type.
4044         (get_input_file, release_input_file): New static variables.
4045         (onload): Capture new transfer vector entries.
4046         (claim_file_hook): Stop reading at end of file according to filesize.
4047         Factor out parsing of readelf output into separate function.
4048         (all_symbols_read_hook): Exercise get_input_file and release_input_file
4049         APIs and get the source file name from the symbol table.  Convert
4050         source file name to corresponding object file name.  Print info
4051         message when adding new input files.
4052         (parse_readelf_line): New function.
4053         * testsuite/plugin_test_1.sh: Add checks for new info messages.
4054         * testsuite/plugin_test_2.sh: Likewise.
4055         * testsuite/plugin_test_3.sh: Likewise.
4056         * testsuite/plugin_test_4.sh: New test case.
4058 2009-01-07  Ian Lance Taylor  <iant@google.com>
4060         * version.cc (version_string): Bump to 1.8.
4062 2008-12-23  Cary Coutant  <ccoutant@google.com>
4064         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4065         * plugin.cc (Plugin_manager::finish): Rename as
4066         layout_deferred_objects.  Move cleanup to separate function.
4067         (Plugin_manager::cleanup): New function.
4068         (Plugin_finish::run): Call layout_deferred_objects and cleanup
4069         separately.
4070         * plugin.h (Plugin_manager::finish): Rename as
4071         layout_deferred_objects.
4072         (Plugin_manager::cleanup): New function.
4073         (Plugin_manager::cleanup_done): New field.
4075 2008-12-23  Cary Coutant  <ccoutant@google.com>
4077         * plugin.cc (is_visible_from_outside): New function.
4078         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4079         so we don't return "IR only" status for exported symbols or -r links.
4081         * testsuite/Makefile.am (plugin_test_3): New test case.
4082         * testsuite/Makefile.in: Regenerate.
4083         * testsuite/plugin_test_3.sh: New file.
4085 2008-12-22  Cary Coutant  <ccoutant@google.com>
4087         * object.cc (Sized_relobj::layout_section): New function.
4088         (Sized_relobj::do_layout): Defer layout of input sections until after
4089         plugin has provided replacement files.
4090         (Sized_relobj::do_layout_deferred_sections): New function.
4091         * object.h (Relobj::set_section_offset): Remove virtual keyword.
4092         (Relobj::layout_deferred_sections): New function.
4093         (Relobj::do_layout_deferred_sections): New function.
4094         (Sized_relobj::do_layout_deferred_sections): New function.
4095         (Sized_relobj::layout_section): New function.
4096         (Sized_relobj::Deferred_layout): New structure.
4097         (Sized_relobj::deferred_layout_): New field.
4098         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4099         Change all callers.  Layout deferred sections.
4100         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
4101         references.
4102         (Plugin_hook::run): Move code from do_plugin_hook inline.
4103         (Plugin_hook::do_plugin_hook): Remove.
4104         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4105         (Plugin_manager::finish): Renamed, was cleanup.
4106         (Plugin_manager::should_defer_layout): New function.
4107         (Plugin_manager::add_deferred_layout_object): New function.
4108         (Plugin_manager::Deferred_layout_list): New type.
4109         (Plugin_manager::deferred_layout_objects_): New field.
4110         (Plugin_hook::do_plugin_hook): Remove.
4112 2008-12-17  Ian Lance Taylor  <iant@google.com>
4114         * options.h (class General_options): Add --no case for
4115         --export-dynamic.
4117 2008-12-16  Cary Coutant  <ccoutant@google.com>
4119         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4120         vector.
4121         (Plugin_manager::claim_file): Create plugin object even if
4122         plugin did not call the add_symbols callback.
4123         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4124         asking for more symbols than were added.
4125         * testsuite/Makefile.am (plugin_test_1): Add test case with
4126         no global symbols.
4127         (empty.syms): New target.
4128         * testsuite/Makefile.in: Regenerate.
4129         * testsuite/plugin_test.c (claim_file_hook): Add new debug
4130         message. Don't call add_symbols if no globals.
4131         (all_symbols_read_hook): Don't provide replacement for empty
4132         claimed file.
4134 2008-12-12  Ian Lance Taylor  <iant@google.com>
4136         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4137         r_type == 0 for a local symbol with r_sym == 0.
4138         (scan_relocatable_relocs): Pass r_sym to
4139         local_non_section_strategy.
4140         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4141         r_sym parameter.
4143         * configure.ac: Update test for TLS descriptors: they are
4144         supported as of glibc 2.9.
4145         * configure: Rebuild.
4147 2008-12-11  Ian Lance Taylor  <iant@google.com>
4149         PR 7091
4150         * target-reloc.h (Default_scan_relocatable_relocs): For each
4151         function, map r_type == 0 to RELOC_DISCARD.
4153 2008-12-10  Cary Coutant  <ccoutant@google.com>
4155         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4156         object to override a kept COMDAT group from a plugin object.
4158 2008-12-09  Ian Lance Taylor  <iant@google.com>
4160         PR 7088
4161         * yyscript.y (file_cmd): Handle INPUT.
4163         * testsuite/initpri1.c: Change all declarations to be full
4164         prototypes by adding void, to avoid compiler warnings.
4166 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
4168         * options.cc (General_options::parse_plugin_opt): New.
4169         (General_options::add_plugin): The argument now is just the filename.
4170         (General_options::add_plugin_option): New.
4171         * options.h (plugin_opt): New.
4172         (add_plugin): Change argument name.
4173         (add_plugin_option): New.
4174         * plugin.cc (Plugin::load): Don't parse the plugin option.
4175         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4176         (Plugin::add_option): New.
4177         (Plugin::args_): Change type.
4178         (Plugin::filename_): New.
4179         (Plugin_manager::add_plugin_option): New.
4180         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4181         * testsuite/Makefile.in: Regenerate.
4183 2008-12-05  Cary Coutant  <ccoutant@google.com>
4185         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4186         Handle --strip-lto-sections option.
4187         * options.h (strip_lto_sections): New option.
4189 2008-12-01  Cary Coutant  <ccoutant@google.com>
4191         * plugin.cc (ld_plugin_message): Change format parameter to const.
4192         Fix mismatch between new[] and delete.
4194 2008-11-14  Cary Coutant  <ccoutant@google.com>
4196         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
4197         instead of -1U.
4199 2008-11-05  Craig Silverstein  <csilvers@google.com>
4201         * options.cc (General_options::parse_dynamic_list): New function.
4202         * options.h (General_options): New flags dynamic_list,
4203         dynamic_list_data, dynamic_list_cpp_new, and
4204         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
4205         (General_options::in_dynamic_list): New function.
4206         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
4207         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
4208         (Lex::can_continue_name): Likewise.
4209         (yylex): Likewise.
4210         (read_script_file): New parameter script_options.
4211         (read_dynamic_list): New function.
4212         (Script_options::define_dynamic_list): New function.
4213         (dynamic_list_keyword_parsecodes): New variable.
4214         (dynamic_list_keywords): New variable.
4215         * script.h (Script_options::define_dynamic_list): New function
4216         prototype.
4217         (read_dynamic_list): New function prototype.
4218         * symtab.cc (strprefix): New macro.
4219         (Symbol::should_add_dynsym_entry): Support dynamic_list,
4220         dynamic_list_data, dynamic_list_cpp_new, and
4221         dynamic_list_cpp_typeinfo.
4222         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
4223         (dynamic_list_expr): New rule.
4224         (dynamic_list_nodes): Likewise.
4225         (dynamic_list_node): Likewise.
4226         * testsuite/Makefile.am (dynamic_list): New test.
4227         * testsuite/Makefile.in: Regenerated.
4228         * testsuite/dynamic_list.t: New file.
4229         * testsuite/dynamic_list.sh: New file.
4231 2008-11-05  Craig Silverstein  <csilvers@google.com>
4233         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4234         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4235         (t11_last): Likewise.
4236         * testsuite/ver_test_6.c (main): Likewise.
4238 2008-10-07  Cary Coutant  <ccoutant@google.com>
4240         * options.c (General_options::finalize): Add check for -static and
4241         -shared.
4242         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4243         is not empty.
4245 2008-10-02  Cary Coutant  <ccoutant@google.com>
4247         * plugin.cc (make_sized_plugin_object): Fix conditional
4248         compilation to work when not all targets are enabled.
4250 2008-09-29  Cary Coutant  <ccoutant@google.com>
4252         * archive.cc (Archive::get_file_and_offset): Use filename instead
4253         of name to get library path.
4254         (Archive::include_member): Unlock external member of a thin archive.
4256         * testsuite/Makefile.am (TEST_AR): New variable.
4257         (thin_archive_test_1): New test.
4258         (thin_archive_test_2): New test.
4259         * testsuite/Makefile.in: Regenerate.
4260         * testsuite/thin_archive_main.cc: New file.
4261         * testsuite/thin_archive_test_1.cc: New file.
4262         * testsuite/thin_archive_test_2.cc: New file.
4263         * testsuite/thin_archive_test_3.cc: New file.
4264         * testsuite/thin_archive_test_4.cc: New file.
4266 2008-09-29  Cary Coutant  <ccoutant@google.com>
4268         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4269         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4270         instead of -1U.
4271         (Sized_relobj::do_finalize_local_symbols): Likewise.
4272         (Sized_relobj::map_to_kept_section): Likewise.
4273         * object.h (Sized_relobj::invalid_address): New constant.
4274         (Sized_relobj::do_output_section_offset): Check for invalid_address
4275         and return -1ULL.
4276         * output.cc (Output_reloc::local_section_offset): Use constant
4277         invalid_address instead of -1U.
4278         (Output_reloc::get_address): Likewise.
4279         (Output_section::output_address): Change -1U to -1ULL.
4280         * output.h (Output_reloc::invalid_address): New constant.
4281         * reloc.cc (Sized_relobj::write_sections): Use constant
4282         invalid_address instead of -1U.
4283         (Sized_relobj::relocate_sections): Likewise.
4284         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4285         values for merge sections.
4286         * target-reloc.h (relocate_for_relocatable): Use constant
4287         invalid_address instead of -1U.
4289 2008-09-19  Cary Coutant  <ccoutant@google.com>
4291         Add plugin functionality for link-time optimization (LTO).
4292         * configure.ac (plugins): Add --enable-plugins option.
4293         * configure: Regenerate.
4294         * config.in: Regenerate.
4295         * Makefile.am (LIBDL): New variable.
4296         (CCFILES): Add plugin.cc.
4297         (HFILES): Add plugin.h.
4298         (ldadd_var): Add LIBDL.
4299         * Makefile.in: Regenerate.
4301         * archive.cc: Include "plugin.h".
4302         (Archive::setup): Don't preread archive symbols when using a plugin.
4303         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
4304         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4305         files.
4306         (Archive::include_member): Add symbols from plugin objects.
4307         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4308         * descriptors.cc (Descriptors::open): Check for file descriptors
4309         abandoned by plugins.
4310         (Descriptors::claim_for_plugin): New function.
4311         * descriptors.h (Descriptors::claim_for_plugin): New function.
4312         (Open_descriptor::is_claimed): New field.
4313         (claim_descriptor_for_plugin): New function.
4314         * fileread.cc (File_read::claim_for_plugin): New function.
4315         * fileread.h (File_read::claim_for_plugin): New function.
4316         (File_read::descriptor): New function.
4317         * gold.cc: Include "plugin.h".
4318         (queue_initial_tasks): Add task to call plugin hooks for generating
4319         new object files.
4320         * main.cc: Include "plugin.h".
4321         (main): Load plugin libraries.
4322         * object.h (Pluginobj): Declare.
4323         (Object::pluginobj): New function.
4324         (Object::do_pluginobj): New function.
4325         (Object::set_target): New function.
4326         * options.cc: Include "plugin.h".
4327         (General_options::parse_plugin): New function.
4328         (General_options::General_options): Initialize plugins_ field.
4329         (General_options::add_plugin): New function.
4330         * options.h (Plugin_manager): Declare.
4331         (General_options): Add --plugin option.
4332         (General_options::has_plugins): New function.
4333         (General_options::plugins): New function.
4334         (General_options::add_plugin): New function.
4335         (General_options::plugins_): New field.
4336         * plugin.cc: New file.
4337         * plugin.h: New file.
4338         * readsyms.cc: Include "plugin.h".
4339         (Read_symbols::do_read_symbols): Check for archive before checking
4340         for ELF file.  Call plugin hooks to claim files.
4341         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
4342         from a real object file; force override when processing replacement
4343         files.
4344         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
4345         (Symbol::init_base_object): Likewise.
4346         (Symbol::init_base_output_data): Likewise.
4347         (Symbol::init_base_output_segment): Likewise.
4348         (Symbol::init_base_constant): Likewise.
4349         (Symbol::init_base_undefined): Likewise.
4350         (Symbol::output_section): Assert that object is not a plugin.
4351         (Symbol_table::add_from_pluginobj): New function.
4352         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
4353         undefined.
4354         (Symbol_table::sized_write_globals): Likewise.
4355         (Symbol_table::add_from_pluginobj): Instantiate template.
4356         * symtab.h (Sized_pluginobj): Declare.
4357         (Symbol::in_real_elf): New function.
4358         (Symbol::set_in_real_elf): New function.
4359         (Symbol::in_real_elf_): New field.
4360         (Symbol_table::add_from_pluginobj): New function.
4362         * testsuite/Makefile.am (AM_CFLAGS): New variable.
4363         (LIBDL): New variable.
4364         (LDADD): Add LIBDL.
4365         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
4366         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
4367         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
4368         (MOSTLYCLEANFILES): Likewise.
4369         * testsuite/Makefile.in: Regenerate.
4370         * testsuite/plugin_test.c: New file.
4371         * testsuite/plugin_test_1.sh: New file.
4372         * testsuite/plugin_test_2.sh: New file.
4374 2008-09-16  Ian Lance Taylor  <iant@google.com>
4376         * target-reloc.h (relocate_section): Check whether a symbol is
4377         defined by the ABI before reporting an undefined symbol error.
4378         * target.h (Target::is_defined_by_abi): Make parameter const.
4379         (Target::do_is_defined_by_abi): Likewise.
4380         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
4381         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
4382         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
4383         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
4384         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
4385         * testsuite/Makefile.in: Rebuild.
4387         * fileread.cc (make_view): Add casts to avoid warning.
4389 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4391         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
4392         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4394 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4396         * options.h (General_options::output_is_executable): New.
4397         (General_options::output_is_pie): New.
4398         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
4399         for shared libraries.
4400         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4402 2008-09-11  Chris Demetriou  <cgd@google.com>
4404         * options.h (origin): New -z option.
4405         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
4406         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
4407         in DT_FLAGS_1.
4409 2008-09-05  Cary Coutant  <ccoutant@google.com>
4411         * fileread.cc (File_read::make_view): Add check for attempt to map
4412         beyond end of file.
4414 2008-09-05  Cary Coutant  <ccoutant@google.com>
4416         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
4417         explicit instantiations.
4419 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
4421         PR gold/6858
4422         * options.cc (General_options::finalize): Allow undefined symbols
4423         in shlibs if linking -shared.
4425         PR gold/6859
4426         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
4427         symbols as not needing a dynsym entry.
4429 2008-08-20  Craig Silverstein  <csilvers@google.com>
4431         * fileread.cc (File_read::open): Do not lock the file unless it
4432         was successfully opened.
4434 2008-08-14  Cary Coutant  <ccoutant@google.com>
4436         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
4437         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4438         * testsuite/tls_test.cc (struct int128): 128-bit struct
4439         for testing TLS relocs with non-zero addend.
4440         (v12): New TLS variable.
4441         (t12): New test.
4442         (t_last): Add check for v12.
4443         * testsuite/tls_test.h (t12): New function.
4444         * testsuite/tls_test_main.cc (thread_routine): Call new test.
4446 2008-08-13  Ian Lance Taylor  <iant@google.com>
4448         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4449         set tls_segment_ or relro_segment_.
4450         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4451         when appropriate.
4452         * output.h (Output_section::clear_is_relro): New function.
4453         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4454         sections specially even when output_data_ is empty.
4455         (Output_segment::maximum_alignment): When first section is relro,
4456         only force alignment for PT_LOAD segments.
4457         * script.cc (script_data_segment_align): New function.
4458         (script_data_segment_relro_end): New function.
4459         * script-c.h (script_data_segment_align): Declare.
4460         (script_data_segment_relro_end): Declare.
4461         * script-sections.h (class Script_sections): Declare
4462         data_segment_align and data_segment_relro_end.  Add fields
4463         segment_align_index_ and saw_relro_end_.
4464         * script-sections.cc (class Sections_element): Add set_is_relro
4465         virtual function.  Add new bool* parameter to place_orphan_here.
4466         Add get_output_section virtual function.
4467         (class Output_section_definition): Add set_is_relro.  Add new
4468         bool* parameter to place_orphan_here.  Add get_output_section.
4469         Add is_relro_ field.
4470         (Output_section_definition::Output_section_definition): Initialize
4471         evaluated_address_, evaluated_load_address, evaluated_addralign_,
4472         and is_relro_ fields.
4473         (Output_section_definition::place_orphan_here): Add is_relro
4474         parameter.
4475         (Output_section_definition::set_section_addresses): Set relro for
4476         output section.
4477         (Output_section_definition::alternate_constraint): Likewise.
4478         (class Orphan_output_section): Add new bool* parameter to
4479         place_orphan_here.  Add get_output_section.
4480         (Orphan_output_section::place_orphan_here): Add is_relro
4481         parameter.
4482         (Script_sections::Script_sections): Initialize
4483         data_segment_align_index_ and saw_relro_end_.
4484         (Script_sections::data_segment_align): New function.
4485         (Script_sections::data_segment_relro_end): New function.
4486         (Script_sections::place_orphan): Set or clear is_relro.
4487         (Script_sections::set_section_addresses): Force alignment of first
4488         TLS section.
4489         * yyscript.y (exp): Call script_data_segment_align and
4490         script_data_segment_relro_end.
4491         * testsuite/relro_script_test.t: New file.
4492         * testsuite/relro_test.cc (using_script): Declare.
4493         (t1, t2): Test using_script.
4494         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4495         (relro_script_test_SOURCES): Define.
4496         (relro_script_test_DEPENDENCIES): Define.
4497         (relro_script_test_LDFLAGS): Define.
4498         (relro_script_test_LDADD): Define.
4499         (relro_script_test.so): New target.
4500         * testsuite/Makefile.in: Rebuild.
4502 2008-08-06  Cary Coutant <ccoutant@google.com>
4504         * archive.cc (Archive::total_archives, Archive::total_members)
4505         (Archive::total_members_loaded): New variables.
4506         (Archive::setup): Add parameter.  Add option to preread
4507         archive symbols.
4508         (Archive::read_armap): Add counter.
4509         (Archive::get_file_and_offset): New function.
4510         (Archive::get_elf_object_for_member): New function.
4511         (Archive::read_all_symbols): New function.
4512         (Archive::read_symbols): New function.
4513         (Archive::add_symbols): Add counters.
4514         (Archive::include_all_members): Use armap to find members if it's
4515         already built.
4516         (Archive::include_member): Skip reading symbols if already read.
4517         Factored code into Archive::get_file_and_offset and
4518         Archive::get_elf_object_for_member.  Changed call to
4519         Mapfile::report_include_archive_member.
4520         (Archive::print_stats): New function.
4521         * archive.h: Declare Object and Read_symbols_data classes.
4522         (Archive::Archive): Add initializers for new members.
4523         (Archive::setup): Add parameter.
4524         (Archive::print_stats): New function.
4525         (Archive::total_archives, Archive::total_members)
4526         (Archive::total_members_loaded): New variables.
4527         (Archive::get_file_and_offset): New function.
4528         (Archive::get_elf_object_for_member): New function.
4529         (Archive::read_all_symbols): New function.
4530         (Archive::read_symbols): New function.
4531         (Archive::Archive_member): New class.
4532         (Archive::members_): New member.
4533         (Archive::num_members_): New member.
4534         * main.cc: Include archive.h.
4535         (main): Call Archive::print_stats.
4536         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4537         archive parameter; member_name is now the fully-decorated name.
4538         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4539         * options.h: (General_options): Add --preread-archive-symbols option.
4540         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4541         Archive::setup.
4543 2008-08-04  Ian Lance Taylor  <iant@google.com>
4545         * symtab.h (Symbol::use_plt_offset): New function.
4546         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4547         * powerpc.cc (Relocate::relocate): Likewise.
4548         * sparc.cc (Relocate::relocate): Likewise.
4549         * x86_64.cc (Relocate::relocate): Likewise.
4550         * testsuite/weak_plt.sh: New test.
4551         * testsuite/weak_plt_main.cc: New test.
4552         * testsuite/weak_plt_shared.cc: New test.
4553         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4554         (check_PROGRAMS): Add weak_plt.
4555         (check_DATA): Add weak_plt_shared.so.
4556         (weak_plt_main_pic.o, weak_plt): New targets.
4557         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4558         * testsuite/Makefile.in: Rebuild.
4560         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4561         gcctestdir/ld.
4562         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4563         * testsuite/Makefile.in: Rebuild.
4565 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4567         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4568         * Makefile.in: Regenerate.
4569         * po/POTFILES.in: Regenerate.
4571 2008-07-29  Ian Lance Taylor  <iant@google.com>
4573         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4574         symbols before other symbols.
4575         * testsuite/script_test_2.cc (test_addr): Declare.
4576         (test_addr_alias): Declare.
4577         (main): Check that test_addr and test_addr_alias have the right
4578         values.
4579         * testsuite/script_test_2.t: Define test_addr_alias and
4580         test_addr.
4582 2008-07-24  Ian Lance Taylor  <iant@google.com>
4584         PR 5990
4585         * descriptors.cc: New file.
4586         * descriptors.h: New file.
4587         * gold-threads.h (class Hold_optional_lock): New class.
4588         * fileread.cc: Include "descriptors.h".
4589         (File_read::~File_read): Release descriptor rather than closing
4590         it.
4591         (File_read::open) [file]: Call open_descriptor rather than open.
4592         Set is_descriptor_opened_.
4593         (File_read::open) [memory]: Assert that descriptor is not open.
4594         (File_read::reopen_descriptor): New function.
4595         (File_read::release): Release descriptor.
4596         (File_read::do_read): Make non-const.  Reopen descriptor.
4597         (File_read::read): Make non-const.
4598         (File_read::make_view): Reopen descriptor.
4599         (File_read::do_readv): Likewise.
4600         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4601         Update declarations.
4602         * layout.cc: Include "descriptors.h".
4603         (Layout::create_build_id): Use open_descriptor rather than open.
4604         * output.cc: Include "descriptors.h".
4605         (Output_file::open): Use open_descriptor rather than open.
4606         * archive.cc (Archive::const_iterator): Change Archive to be
4607         non-const.
4608         (Archive::begin, Archive::end): Make non-const.
4609         (Archive::count_members): Likewise.
4610         * archive.h (class Archive): Update declarations.
4611         * object.h (Object::read): Make non-const.
4612         * Makefile.am (CCFILES): Add descriptors.cc.
4613         (HFILES): Add descriptors.h.
4614         * Makefile.in: Rebuild.
4616         PR 6716
4617         * gold.h: Always include <clocale>.  Add Solaris workarounds
4618         following code in binutils/sysdep.h.
4620         PR 6048
4621         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4622         this->eh_frame_hdr_ is NULL before using it.
4624         * dynobj.cc (Versions::Versions): Update comment.
4626         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4627         the base version name.
4629         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4630         array size plus one.
4631         (Stringpool_template::set_string_offsets): Subtract one from key
4632         before using it as an array index.
4633         (Stringpool_template::get_offset_with_length): Likewise.
4634         (Stringpool_template::write_to_buffer): Likewise.
4635         * stringpool.h (Stringpool_template::get_offset_from_key):
4636         Likewise.
4638 2008-07-23  Ian Lance Taylor  <iant@google.com>
4640         PR 6658
4641         * object.h (Merged_symbol_value::value): Do our best to handle a
4642         negative addend.
4644         PR 6647
4645         * script.cc (Version_script_info::get_versions): Don't add empty
4646         version tag to return value.
4647         (Version_script_info::get_symbol_version_helper): Change return
4648         type to bool.  Add pversion parameter.  Change all callers.
4649         (script_register_vers_node): Don't require a non-NULL tag.
4650         * script.h (class Version_script_info): Update declarations.
4651         (Version_script_info::get_symbol_version): Change return type to
4652         bool.  Add version parameter.  Change all callers.
4653         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4654         handling.  Handle an empty version from a version script.
4655         (Symbol_table::define_special_symbol): Likewise.
4656         * testsuite/ver_test_10.script: New file.
4657         * testsuite/ver_test_10.sh: New file.
4658         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4659         (check_DATA): Add ver_test_10.syms.
4660         (ver_test_10.syms, ver_test_10.so): New target.
4661         * testsuite/Makefile.in: Rebuild.
4663 2008-07-23  Simon Baldwin  <simonb@google.com>
4665         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4666         to zero for undefined symbols from dynamic libraries.
4668 2008-07-23  Ian Lance Taylor  <iant@google.com>
4670         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4671         Change all callers.
4672         * symtab.h (class Symbol_table): Update declaration.
4673         * testsuite/ver_test_9.cc: New file.
4674         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4675         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4676         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4677         (ver_test_9.so, ver_test_9.o): New targets.
4678         * testsuite/Makefile.in: Rebuild.
4680 2008-07-22  Ian Lance Taylor  <iant@google.com>
4682         * options.h (class General_options): Define --check-sections.
4683         * layout.cc (Layout::set_segment_offsets): Handle
4684         --check-sections.
4686         * options.h (class General_options): Define -n/--nmagic and
4687         -N/--omagic.
4688         * options.cc (General_options::finalize): For -n/--nmagic or
4689         -N/--omagic, set -static.
4690         * layout.cc (Layout::attach_allocated_section_to_segment): If
4691         -N/--omagic, don't put read-only and read-write sections in
4692         different segments.
4693         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4694         finding a read-only segment.
4695         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4696         don't set the minimum segment alignment to the common page size,
4697         and don't set the file offset to the address modulo the page size.
4698         * script-sections.cc (Script_sections::create_segments): If
4699         -n/--omagic, don't put read-only and read-write sections in
4700         different segments.
4702         * cref.cc: New file.
4703         * cref.h: New file.
4704         * options.h (class General_options): Add --print-symbol-counts.
4705         * main.cc (main): Issue defined symbol report if requested.
4706         * archive.cc (Archive::interpret_header): Make into a const member
4707         function.
4708         (Archive::add_symbols): Call Input_objects::archive_start and
4709         archive_stop.
4710         (Archive::const_iterator): Define new class.
4711         (Archive::begin, Archive::end): New functions.
4712         (Archive::include_all_members): Rewrite to use iterator.
4713         (Archive::count_members): New function.
4714         * archive.h (class Archive): Update declarations.
4715         (Archive::filename): New function.
4716         * object.cc: Include "cref.h".
4717         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4718         (Sized_relobj::do_get_global_symbol_counts): New function.
4719         (Input_objects::add_object): Add object to cross-referencer.
4720         (Input_objects::archive_start): New function.
4721         (Input_objects::archive_stop): New function.
4722         (Input_objects::print_symbol_counts): New function.
4723         * object.h: Declare Cref and Archive.
4724         (Object::get_global_symbol_counts): New function.
4725         (Object::do_get_global_symbol_counts): New pure virtual function.
4726         (class Sized_relobj): Add defined_count_ field.  Update
4727         declarations.
4728         (class Input_objects): Add cref_ field.  Update constructor.
4729         Update declarations.
4730         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4731         defined_count_.
4732         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4733         symbol counts.
4734         (Sized_dynobj::do_get_global_symbol_counts): New function.
4735         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4736         defined_count_.  Update declarations.  Define Symbols typedef.
4737         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4738         parameter.  Change all callers.
4739         (Symbol_table::add_from_dynobj): Add sympointers and defined
4740         parameters.  Change all callers.
4741         * symtab.h (class Symbol_table): Update declarations.
4742         * Makefile.am (CCFILES): Add cref.cc.
4743         (HFILES): Add cref.h.
4744         * Makefile.in: Rebuild.
4746 2008-07-22  Simon Baldwin  <simonb@google.com>
4748         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4749         to zero when writing undefined symbols.
4751 2008-07-22  Ian Lance Taylor  <iant@google.com>
4753         * output.cc (Output_section::add_input_section): Don't try to
4754         merge empty merge sections.
4756 2008-07-21  Craig Silverstein  <csilvers@google.com>
4758         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4759         Include symbol version in error message.
4761 2008-07-20  Chris Demetriou  <cgd@google.com>
4763         * configure.ac (gold_cv_c_random_seed): New configured variable.
4764         (RANDOM_SEED_CFLAGS): New substituted variable.
4765         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4766         * configure: Rebuild.
4767         * Makefile.in: Likewise.
4768         * testsuite/Makefile.in: Likewise.
4770 2008-07-18  Ian Lance Taylor  <iant@google.com>
4772         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4773         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4774         * testsuite/ver_test_main.cc (main): Call t4.
4775         (t4, t4_2a): Define.
4776         * testsuite/ver_test_2.cc (t4_2): Define.
4777         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4778         * testsuite/ver_test_4.cc (t4_2a): Define.
4779         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4780         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4782 2008-07-17  Ian Lance Taylor  <iant@google.com>
4784         * dynobj.cc (Versions::add_def): If we give an error about a
4785         missing version, go ahead and create the version anyhow.
4787 2008-07-10  Ian Lance Taylor  <iant@google.com>
4789         Handle output sections with more than 0x7fffffff bytes.
4790         * object.h (class Relobj): Change map_to_output_ to
4791         output_sections_, and just keep a section pointer.  Change all
4792         uses.  Move comdat group support to Sized_relobj.
4793         (Relobj::is_section_specially_mapped): Remove.
4794         (Relobj::output_section): Remove poff parameter.  Change all
4795         callers.
4796         (Relobj::output_section_offset): New function.
4797         (Relobj::set_section_offset): Rewrite.
4798         (Relobj::map_to_output): Remove.
4799         (Relobj::output_sections): New function.
4800         (Relobj::do_output_section_offset): New pure virtual function.
4801         (Relobj::do_set_section_offset): Likewise.
4802         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4803         group support from Relobj.  Update declarations.
4804         (Sized_relobj::get_output_section_offset): New function.
4805         (Sized_relobj::do_output_section_offset): New function.
4806         (Sized_relobj::do_set_section_offset): New function.
4807         * object.cc (Relobj::output_section_address): Remove.
4808         (Sized_relobj::Sized_relobj): Initialize new fields.
4809         (Sized_relobj::include_section_group): Cast find_kept_object to
4810         Sized_relobj.
4811         (Sized_relobj::include_linkonce_section): Likewise.
4812         (Sized_relobj::do_layout): Use separate arrays for output section
4813         and output offset.
4814         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4815         output_sections.
4816         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4817         output_sections and section_offsets.
4818         (Sized_relobj::write_local_symbols): Likewise.
4819         (map_to_kept_section): Compute output address directly.
4820         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4821         output_sections and section_offsets.
4822         (Sized_relobj::write_sections): Likewise.
4823         (Sized_relobj::relocate_sections): Likewise.
4824         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4825         * output.h (class Output_reloc): Update declarations.  Change
4826         u2_.relobj to Sized_relobj*.
4827         (class Output_data_reloc): Change add functions to use
4828         Sized_relobj*.
4829         * output.cc (Output_reloc::Output_reloc): Change relobj to
4830         Sized_relobj*.
4831         (Output_reloc::local_section_offset): Change return type to
4832         Elf_Addr.  Use get_output_section_offset.
4833         (Output_reloc::get_address): Likewise.
4834         (Output_section::is_input_address_mapped): Don't call
4835         is_section_specially_mapped.
4836         (Output_section::output_offset): Likewise.
4837         (Output_section::output_address): Likewise.
4838         (Output_section::starting_output_address): Likewise.
4839         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4840         parameter to Sized_relobj*.
4841         (Copy_relocs::need_copy_reloc): Likewise.
4842         (Copy_relocs::save): Likewise.
4843         * copy-relocs.h (class Copy_relocs): Update declarations.
4844         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4845         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4846         * target-reloc.h (relocate_for_relocatable): Change
4847         offset_in_output_section type to Elf_Addr.  Change code that uses
4848         it as well.
4849         * layout.cc (Layout::layout): Always set *off.
4850         * mapfile.cc (Mapfile::print_input_section): Use
4851         output_section_offset.
4852         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4853         Sized_relobj*.
4854         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4855         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4856         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4858 2008-07-03  Ian Lance Taylor  <iant@google.com>
4860         * layout.cc (Layout::include_section): Do not discard unrecognized
4861         SHT_STRTAB sections.
4863 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4865         * script.cc (Lex::can_continue_name): Make '?' allowable in
4866         version-script names.
4867         * testsuite/version_script.map: Change glob pattern to use '?'
4869 2008-06-30  Manish Singh  <yosh@gimp.org>
4871         PR 6585
4872         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4873         Correct typo.
4875 2008-06-30  Ian Lance Taylor  <iant@google.com>
4877         PR 6660
4878         PR 6682
4879         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4880         versions]: Don't try to read the value in the contents, since we
4881         don't use it.  Use the template endianness when writing.
4883 2008-06-25  Cary Coutant  <ccoutant@google.com>
4885         * fileread.cc (File_read::make_view): Assert on zero-length view.
4886         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4887         symbol table when there are no symbols to read.
4889 2008-06-23  Craig Silverstein  <csilvers@google.com>
4891         * version.cc (version_string): Bump to 1.7
4893 2008-06-18  Craig Silverstein  <csilvers@google.com>
4895         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4896         constant 0xFFFF to type Valtype.
4897         (Powerpc_relocate_functions::rel16_ha): Likewise.
4899 2008-06-17  Ian Lance Taylor  <iant@google.com>
4901         * output.h (Output_section::Input_section): Initialize p2align_ to
4902         zero for Output_section_data constructors.
4903         (Output_section::Input_section::addralign): If not an input
4904         section, return the alignment of the Output_section_data.
4905         * testsuite/copy_test.cc: New file.
4906         * testsuite/copy_test_1.cc: New file.
4907         * testsuite/copy_test_2.cc: New file.
4908         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4909         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4910         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4911         (copy_test_1_pic.o, copy_test_1.so): New targets.
4912         (copy_test_2_pic.o, copy_test_2.so): New targets.
4913         * testsuite/Makefile.in: Rebuild.
4915         * script-sections.cc (Script_sections::place_orphan): Initialize
4916         local variable exact.
4918 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4920         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4922 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4923             David S. Miller  <davem@davemloft.net>
4925         * powerpc.cc: New file.
4926         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4927         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4928         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4929         * Makefile.in: Rebuild.
4931 2008-06-09  Ian Lance Taylor  <iant@google.com>
4933         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4934         <exception>.
4935         (throwing, orig_terminate): New static variables.
4936         (terminate_handler): New static function.
4937         (t2): Set terminate handler.
4939 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4941         PR 6584
4942         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4943         alignment.
4945 2008-05-30  Cary Coutant  <ccoutant@google.com>
4947         * archive.cc (Archive::include_all_members) Correct to step
4948         over symbol table and extended name table in thin archives.
4950 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4952         PR 6407
4953         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4954         calculation.
4956 2008-05-28  Caleb Howe  <cshowe@google.com>
4958         * reduced_debug_output.cc: New file.
4959         * reduced_debug_output.h: New file.
4960         * options.h (class General_options): Add --strip-debug-non-line.
4961         * options.cc (General_options::finalize): Add strip_debug_non_line
4962         to the strip heirarchy.
4963         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4964         fields.
4965         * layout.cc: Include "reduced_debug_output.h".
4966         (Layout::Layout): Initialize new fields.
4967         (line_only_debug_sections): New static array.
4968         (is_lines_only_debug_sections): New static inline function.
4969         (Layout::include_section): Handle --strip-debug-non-line.
4970         (Layout::make_output_section): If --strip-debug-non-line, build
4971         new output sections for .debug_abbrev and .debug_info.
4972         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4973         gold.  Warn about possible overflow.
4974         (read_signed_LEB_128): Likewise.
4975         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4976         (read_signed_LEB_128): Declare.
4977         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4978         (HFILES): Add reduced_debug_output.h.
4979         * Makefile.in: Rebuild.
4981 2008-05-21  Ian Lance Taylor  <iant@google.com>
4983         * mapfile.cc: New file.
4984         * mapfile.h: New file.
4985         * options.h (class General_options): Add -M/--print-map and -Map.
4986         * options.cc (General_options::finalize): Make -M equivalent to
4987         -Map -.
4988         * main.cc: Include <cstdio> and "mapfile.h".
4989         (main): Open mapfile if requested.
4990         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4991         constructor.  Change caller.
4992         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4993         (queue_middle_tasks): Likewise.
4994         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4995         declarations.
4996         * archive.cc: Include "mapfile.h".
4997         (Archive::add_symbols): Add mapfile parameter.  Change all
4998         callers.  Pass mapfile, symbol, and reason to include_member.
4999         (Archive::include_all_members): Add mapfile parameter.  Change all
5000         callers.
5001         (Archive::include_member): Add mapfile, sym, and why parameters.
5002         Change all callers.  Report inclusion to map file.
5003         * archive.h: Include "fileread.h".
5004         (class Archive): Update declarations.
5005         (Archive::file): New const method.
5006         (class Add_archive_symbols): Add mapfile_ field.  Update
5007         constructor.  Change all callers.
5008         * readsyms.h (class Read_symbols): Likewise.
5009         (class Finish_group): Likewise.
5010         (class Read_script): Likewise.
5011         * common.cc: Include "mapfile.h".
5012         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
5013         all callers.
5014         (Symbol_table::do_allocate_commons): Likewise.
5015         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
5016         symbol allocation to mapfile.
5017         * common.h (class Allocate_commons_task): Add mapfile_ field.
5018         Update constructor.  Change all callers.
5019         * symtab.h (class Symbol_table): Update declarations.
5020         * layout.cc: Include "mapfile.h".
5021         (Layout_task_runner::run): Print information to mapfile.
5022         (Layout::create_gold_note): Change Output_data_fixed_space to
5023         Output_data_zero_fill.
5024         (Layout::create_build_id): Likewise.
5025         (Layout::print_to_mapfile): New function.
5026         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
5027         constructor.  Change caller.
5028         (class Layout): Declare print_to_mapfile.
5029         * output.cc (Output_section::Input_section::print_to_mapfile): New
5030         function.
5031         (Output_section::add_input_section): If producing a map, always
5032         add to input_sections_ list.
5033         (Output_section::do_print_to_mapfile): New function.
5034         (Output_segment::print_sections_to_mapfile): New function.
5035         (Output_segment::print_section_list_to_mapfile): New function.
5036         * output.h: Include "mapfile.h".
5037         (Output_data::print_to_mapfile): New function.
5038         (Output_data::do_print_to_mapfile): New virtual function.
5039         (Output_segment_headers::do_print_to_mapfile): New function.
5040         (Output_file_header::do_print_to_mapfile): New function.
5041         (Output_data_const::do_print_to_mapfile): New function.
5042         (class Output_data_const_buffer): Add map_name_ field.  Update
5043         constructor.  Change all callers.  Add do_print_to_mapfile
5044         function.
5045         (class Output_data_fixed_space): Likewise.
5046         (class Output_data_space): Likewise.
5047         (class Output_data_zero_fill): New class.
5048         (Output_data_strtab::do_print_to_mapfile): New function.
5049         (Output_data_reloc_base::do_print_to_mapfile): New function.
5050         (Output_relocatable_relocs::do_print_to_mapfile): New function.
5051         (Output_data_group::do_print_to_mapfile): New function.
5052         (Output_data_got::do_print_to_mapfile): New function.
5053         (Output_data_dynamic::do_print_to_mapfile): New function.
5054         (Output_symtab_xindex::do_print_to_mapfile): New function.
5055         (class Output_section): Declare do_print_to_mapflie.  Declare
5056         print_to_mapfile in Input_section.
5057         (class Output_segment): Declare new functions.
5058         * object.h (Sized_relobj::symbol_count): New function.
5059         * script-sections.cc
5060         (Output_section_element_dot_assignment::set_section_addresses):
5061         Change Output_data_fixed_space to Output_data_zero_fill.
5062         (Output_data_expression::do_print_to_mapfile): New function.
5063         * script.cc (read_input_script): Add mapfile parameter.  Change
5064         all callers.
5065         * script.h (read_input_script): Update declaration.
5066         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5067         (Eh_frame::do_print_to_mapfile): New function.
5068         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5069         (Output_merge_string::do_print_to_mapfile): New function.
5070         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5071         function.
5072         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5073         function.
5074         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5075         function.
5076         * Makefile.am (CCFILES): Add mapfile.cc.
5077         (HFILES): Add mapfile.h.
5078         * Makefile.in: Rebuild.
5080 2008-05-19  Ian Lance Taylor  <iant@google.com>
5082         * options.h (class General_options): Add -z relro.
5083         * layout.cc (Layout::Layout): Initialize relro_segment_.
5084         (Layout::add_output_section_data): Return the output section.
5085         (Layout::make_output_section): Rcognize relro sections and mark
5086         them appropriately.
5087         (Layout::attach_allocated_section_to_segment): Put relro sections
5088         in a PT_GNU_RELRO segment.
5089         (Layout::create_initial_dynamic_sections): Mark the .dynamic
5090         section as relro.
5091         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5092         PT_TLS segments.
5093         (Layout::linkonce_mapping): Map d.rel.ro.local to
5094         .data.rel.ro.local.
5095         (Layout::output_section_name): Us .data.rel.ro.local for any
5096         section which begins with that.
5097         * layout.h (class Layout): Update add_output_section_data
5098         declaration.  Add relro_segment_ field.
5099         * output.cc (Output_section::Output_section): Initialize is_relro_
5100         and is_relro_local_ fields.
5101         (Output_segment::add_output_section): Group relro sections.
5102         (Output_segment::is_first_section_relro): New function.
5103         (Output_segment::maximum_alignment): If there is a relro section,
5104         align the segment to the common page size.
5105         (Output_segment::set_section_addresses): Track whether we are
5106         looking at relro sections.  If the last section is a relro
5107         section, align to the common page size.
5108         (Output_segment::set_section_list_addresses): Add in_relro
5109         parameter.  Change all callers.  Align to the page size when
5110         moving from relro to non-relro section.
5111         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5112         segment.
5113         * output.h (class Output_section): Add is_relro_ and
5114         is_relro_local_ fields.
5115         (Output_section::is_relro): New function.
5116         (Output_section::set_is_relro): New function.
5117         (Output_section::is_relro_local): New function.
5118         (Output_section::set_is_relro_local): New function.
5119         (class Output_segment): Update declarations.
5120         * i386.cc (Target_i386::got_section): Mark .got section as relro.
5121         * sparc.cc (Target_sparc::got_section): Likewise.
5122         * x86_64.cc (Target_x86_64::got_section): Likewise.
5123         * testsuite/relro_test_main.cc: New file.
5124         * testsuite/relro_test.cc: New file.
5125         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5126         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5127         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5128         (relro_test.so, relro_test_pic.o): New targets.
5129         * testsuite/Makefile.in: Rebuild.
5131 2008-05-16  Ian Lance Taylor  <iant@google.com>
5133         * output.cc (Output_segment::add_output_section): Remove front
5134         parameter.
5135         * output.h (class Output_segment): Remove
5136         add_initial_output_section and overloaded add_output_section.
5137         Update declaration of remaining add_output_section.
5138         * layout.cc (Layout::create_interp): Call add_output_section
5139         rather than add_initial_output_section.
5140         (Layout::finish_dynamic_section): Likewise.
5142         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5143         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
5144         know the dynamic type.
5145         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5146         field.  Initialize it in constructor.
5147         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5148         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5149         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5150         reloc.
5152         * output.cc (Output_reloc::get_address): Change return type to
5153         Elf_Addr.
5154         * output.h (class Output_reloc): Update get_address declaration.
5155         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5156         for section addresses.
5158 2008-05-09  Ian Lance Taylor  <iant@google.com>
5160         PR 6493
5161         * gold.cc (gold_nomem): Use return value of write.
5163 2008-05-08  Ian Lance Taylor  <iant@google.com>
5165         * symtab.c (Symbol::init_base_output_data): Add version
5166         parameter.  Change all callers.
5167         (Symbol::init_base_output_segment): Likewise.
5168         (Symbol::init_base_constant): Likewise.
5169         (Symbol::init_base_undefined): Likewise.
5170         (Sized_symbol::init_output_data): Likewise.
5171         (Sized_symbol::init_output_segment): Likewise.
5172         (Sized_symbol::init_constant): Likewise.
5173         (Sized_symbol::init_undefined): Likewise.
5174         (Symbol_table::do_define_in_output_data): If the new symbol has a
5175         version, mark it as the default.
5176         (Symbol_table::do_define_in_output_segment): Likewise.
5177         (Symbol_table::do_define_as_constant): Likewise.
5178         * symtab.h (class Symbol): Update declarations.
5179         (class Sized_symbol): Likewise.
5180         * resolve.cc (Symbol::override_version): New function.
5181         (Symbol::override_base): Call override_version.
5182         (Symbol::override_base_with_special): Likewise.
5183         * testsuite/ver_script_8.script: New file.
5184         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5185         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5186         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
5187         (ver_test_8_1.so, ver_test_8_2.so): New targets.
5189 2008-05-06  Ian Lance Taylor  <iant@google.com>
5191         PR 6049
5192         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
5193         functions.
5194         (class General_options): Remove existing --undefined, and add
5195         --no-undefined instead.  Add new --undefined as synonym for -u.
5196         * archive.cc (Archive::add_symbols): Check whether symbol was
5197         named with -u.
5198         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
5199         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
5200         all uses.  Add IS_UNDEFINED.  Update declarations to split
5201         different versions of init_base.  Declare init_base_undefined.
5202         (Symbol::is_defined): Handle IS_UNDEFINED.
5203         (Symbol::is_undefined): Likewise.
5204         (Symbol::is_weak_undefined): Call is_undefined.
5205         (Symbol::is_absolute): Handle IS_CONSTANT.
5206         (class Sized_symbol): Update declarations to split different
5207         versions of init.  Declare init_undefined.
5208         (class Symbol_table): Declare new functions.
5209         * symtab.cc (Symbol::init_base_object): Rename from init_base.
5210         Change all callers.
5211         (Symbol::init_base_output_data): Likewise.
5212         (Symbol::init_base_output_segment): Likewise.
5213         (Symbol::init_base_constant): Likewise.
5214         (Symbol::init_base_undefined): New function.
5215         (Sized_symbol::init_object): Rename from init.  Change all
5216         callers.
5217         (Sized_symbol::init_output_data): Likewise.
5218         (Sized_symbol::init_output_segment): Likewise.
5219         (Sized_symbol::init_constant): Likewise.
5220         (Sized_symbol::init_undefined): New function.
5221         (Symbol_table::add_undefined_symbols_from_command_line): New
5222         function.
5223         (Symbol_table::do_add_undefined_symbols_from_command_line): New
5224         function.
5225         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
5226         (Symbol::output_section): Likewise.
5227         (Symbol::set_output_section): Likewise.
5228         (Symbol_table::sized_finalize_symbol): Likewise.
5229         (Symbol_table::sized_write_globals): Likewise.
5230         * resolve.cc (Symbol_table::should_override): Likewise.
5231         (Symbol::override_base_with_special): Likewise.
5233         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5234         symbol, change it to have default visibility.
5235         * testsuite/protected_1.cc: New file.
5236         * testsuite/protected_2.cc: New file.
5237         * testsuite/protected_3.cc: New file.
5238         * testsuite/protected_main_1.cc: New file.
5239         * testsuite/protected_main_2.cc: New file.
5240         * testsuite/protected_main_3.cc: New file.
5241         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5242         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5243         (protected_1_LDFLAGS, protected_1_LDADD): Define.
5244         (protected_1.so): New target.
5245         (protected_1_pic.o, protected_2_pic.o): New targets.
5246         (protected_3_pic.o): New target.
5247         (check_PROGRAMS): Add protected_2.
5248         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5249         (protected_2_LDFLAGS, protected_2_LDADD): Define.
5250         * testsuite/Makefile.in: Rebuild.
5252         * options.h (DEFINE_var): Add set_user_set_##varname__.
5253         (DEFINE_bool_alias): New macro.
5254         (class General_options): Define -Bstatic using DEFINE_bool_alias
5255         rather than DEFINE_special.  Add --undefined as an alias for -z
5256         defs.
5257         * options.cc (General_options::parse_Bstatic): Remove.
5259         * options.h (class General_options): Add --fatal-warnings.
5260         * main.cc (main): Implement --fatal-warnings.
5261         * errors.h (Errors::warning_count): New function.
5263         * options.h (class General_options): Add -Bsymbolic-functions.
5264         * symtab.h (Symbol::is_preemptible): Check for
5265         -Bsymbolic-functions.
5267 2008-05-05  Ian Lance Taylor  <iant@google.com>
5269         * options.h (DEFINE_bool): For DASH_Z, create the negative option
5270         as noVARNAME rather than no-VARNAME.
5271         (class General_options): Add option -z combreloc.
5272         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5273         get_address.
5274         (Output_reloc::sort_before) [SHT_REL]: New function.
5275         (Output_reloc::sort_before) [SHT_RELA]: New function.
5276         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
5277         Sort_relocs_comparison.
5278         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5279         parameter.  Change all callers.
5280         (Output_data_reloc::Output_data_reloc) [both versions]: Add
5281         sort_relocs parameter.  Change all callers.
5282         * output.cc (Output_reloc::get_address): New function, broken out
5283         of write_rel.
5284         (Output_reloc::write_rel): Call it.
5285         (Output_reloc::compare): New function.
5286         (Output_data_reloc_base::do_write): Optionally sort relocs.
5288         * configure.ac: If targ_extra_obj is set, link it in.
5289         * configure.tgt: Initialize all variables.
5290         (x86_64*): Set targ_extra_obj and targ_extra_size.
5291         * configure: Rebuild.
5293         * object.cc (Sized_relobj::include_section_group): Adjust section
5294         indexes read from group data.  Build vector to pass to
5295         layout_group.
5296         * layout.cc (Layout::layout_group): Add flags and shndxes
5297         parameters.  Remove contents parameter.  Change caller.  Update
5298         explicit instantiations.
5299         * layout.h (class Layout): Update layout_group declaration.
5300         * output.cc (Output_data_group::Output_data_group): Add flags and
5301         input_shndxes parameters.  Remove contents parameter.  Change
5302         caller.
5303         (Output_data_group::do_write): Change input_sections_ to
5304         input_shndxes_.
5305         * output.h (class Output_data_group): Update constructor
5306         declaration.  Rename input_sections_ to input_shndxes_.
5307         * testsuite/many_sections_test.cc: Add template.
5309 2008-04-30  Cary Coutant  <ccoutant@google.com>
5311         * target-reloc.h (relocate_section): Fix dead-pointer bug.
5313         * layout.cc (Layout::include_section): Refactored check for debug
5314         info section.
5315         (Layout::add_comdat): Add new parameters.  Change type
5316         of signature parameter.  Add object and shndx to signatures table.
5317         (Layout::find_kept_object): New function.
5318         * layout.h: Include <cstring>.
5319         (Layout::is_debug_info_section): New function.
5320         (Layout::add_comdat): Add new parameters.
5321         (Layout::find_kept_object): New function.
5322         (Layout::Kept_section): New struct.
5323         (Layout::Signatures): Change type of map range.
5324         * object.cc (Relobj::output_section_address): New function.
5325         (Sized_relobj::include_section_group): Add new parameters.  Change
5326         calls to Layout::add_comdat.  Change to build table of kept comdat
5327         groups and table mapping discarded sections to kept sections.
5328         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
5329         (Sized_relobj::do_layout): Change calls to include_section_group and
5330         include_linkonce_section.
5331         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
5332         value to zero when section is discarded.
5333         (Sized_relobj::map_to_kept_section): New function.
5334         * object.h (Relobj::output_section_address): New function.
5335         (Relobj::Comdat_group): New type.
5336         (Relobj::find_comdat_group): New function.
5337         (Relobj::Comdat_group_table): New type.
5338         (Relobj::Kept_comdat_section): New type.
5339         (Relobj::Kept_comdat_section_table): New type.
5340         (Relobj::add_comdat_group): New function.
5341         (Relobj::set_kept_comdat_section): New function.
5342         (Relobj::get_kept_comdat_section): New function.
5343         (Relobj::comdat_groups_): New field.
5344         (Relobj::kept_comdat_sections_): New field.
5345         (Symbol_value::input_value): Update comment.
5346         (Sized_relobj::map_to_kept_section) New function.
5347         (Sized_relobj::include_linkonce_section): Add new parameter.
5348         * target-reloc.h (Comdat_behavior): New type.
5349         (get_comdat_behavior): New function.
5350         (relocate_section): Add code to map a discarded section to the
5351         corresponding kept section when applying a relocation.
5353 2008-04-30  Craig Silverstein  <csilvers@google.com>
5355         * dwarf_reader.cc (next_generation_count): New static var.
5356         (Addr2line_cache_entry): New struct.
5357         (addr2line_cache): New static var.
5358         (Dwarf_line_info::one_addr2line): Added caching.
5359         (Dwarf_line_info::clear_addr2line_cache): New function.
5360         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
5361         cache-size parameter.
5362         (Dwarf_line_info::one_addr2line_cache): New function.
5363         * symtab.cc (Symbol_table::detect_odr_violations): Pass
5364         new cache-size argument to one_addr2line(), and clear cache.
5366 2008-04-28  Cary Coutant  <ccoutant@google.com>
5368         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
5369         R_386_PC8 relocations.
5371 2008-04-23  Ian Lance Taylor  <iant@google.com>
5373         * object.cc (Sized_relobj::include_section_group): Check for
5374         invalid section group.
5376         * object.cc (make_elf_object): Correct test for 64-bit ELF file
5377         header size.
5379         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
5380         than read for file header.
5381         * archive.cc (Archive::include_member): Likewise.
5383 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5385         * aclocal.m4: Regenerate.
5386         * configure: Regenerate.
5388 2008-04-19  Ian Lance Taylor  <iant@google.com>
5390         * version.cc (version_string): Bump to 1.6.
5392         * testsuite/Makefile.am (many_sections_r_test): New target.
5393         (many_sections_r_test_SOURCES): Remove.
5394         (many_sections_r_test_DEPENDENCIES): Remove.
5395         (many_sections_r_test_LDFLAGS): Remove.
5396         (many_sections_r_test_LDADD): Remove.
5398         * object.cc (Sized_relobj::do_add_symbols): Always pass
5399         local_symbol_count_ to add_from_relobj.
5401         * testsuite/Makefile.am (many_sections_check.h): Only check one in
5402         every thousand variables.
5403         * testsuite/Makefile.in: Rebuild.
5405         * object.cc (Xindex::initialize_symtab_xindex): New function.
5406         (Xindex::read_symtab_xindex): New function.
5407         (Xindex::sym_xindex_to_shndx): New function.
5408         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
5409         available.
5410         (Sized_relobj::do_initialize_xindex): New function.
5411         (Sized_relobj::do_read_symbols): Adjust section links.
5412         (Sized_relobj::symbol_section_and_value): Add is_ordinary
5413         parameter.  Change all callers.
5414         (Sized_relobj::include_section_group): Adjust section links and
5415         symbol section indexes.
5416         (Sized_relobj::do_layout): Adjust section links.
5417         (Sized_relobj::do_count_local_symbols): Adjust section links and
5418         symbol section indexes.
5419         (Sized_relobj::do_finalize_local_symbols): Distinguish between
5420         ordinary and special symbols.
5421         (Sized_relobj::write_local_symbols): Add symtab_xindex and
5422         dynsym_xindex parameters.  Change all callers.  Adjust section
5423         links.  Use SHN_XINDEX when needed.
5424         (Sized_relobj::get_symbol_location_info): Adjust section links.
5425         Don't get fooled by special symbols.
5426         * object.h (class Xindex): Define.
5427         (class Object): Add xindex_ parameter.  Declare virtual functoin
5428         do_initialize_xindex.
5429         (Object::adjust_sym_shndx): New function.
5430         (Object::set_xindex): New protected function.
5431         (class Symbol_value): Add is_ordinary_shndx_ field.
5432         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
5433         (Symbol_value::value): Assert ordinary section.
5434         (Symbol_value::initialize_input_to_output_map): Likewise.
5435         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
5436         Change all callers.
5437         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
5438         all callers.
5439         (class Sized_relobj): Update declarations.
5440         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5441         parameter.  Change all callers.
5442         (Sized_relobj::adjust_shndx): New function.
5443         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5444         field.
5445         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5446         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
5447         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
5448         (Sized_dynobj::read_dynsym_section): Adjust section links.
5449         (Sized_dynobj::read_dynamic): Likewise.
5450         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
5451         section links.
5452         (Sized_dynobj::do_initialize_xindex): New function.
5453         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
5454         do_initialize_xindex.
5455         (Sized_dynobj::adjust_shndx): New function.
5456         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5457         dynsym_xindex_ fields.
5458         (Layout::finalize): Add a call to set_section_indexes before
5459         creating the symtab sections.
5460         (Layout::set_section_indexes): Don't do anything if the section
5461         already has a section index.
5462         (Layout::create_symtab_sections): Add shnum parameter.  Change
5463         caller.  Create .symtab_shndx section if needed.
5464         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
5465         caller.
5466         (Layout::allocated_output_section_count): New function.
5467         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5468         needed.
5469         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5470         fields.  Update declarations.
5471         (Layout::symtab_xindex): New function.
5472         (Layout::dynsym_xindex): New function.
5473         (class Write_symbols_task): Add layout_ field.
5474         (Write_symbols_task::Write_symbols_task): Add layout parameter.
5475         Change caller.
5476         * output.cc (Output_section_headers::Output_section_headers): Add
5477         shstrtab_section parameter.  Change all callers.
5478         (Output_section_headers::do_sized_write): Store overflow values
5479         for section count and section string table section index in
5480         section header zero.
5481         (Output_file_header::do_sized_write): Check for overflow of
5482         section count and section string table section index.
5483         (Output_symtab_xindex::do_write): New function.
5484         (Output_symtab_xindex::endian_do_write): New function.
5485         * output.h (class Output_section_headers): Add shstrtab_section_.
5486         Update declarations.
5487         (class Output_symtab_xindex): Define.
5488         (Output_section::has_out_shndx): New function.
5489         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5490         field.
5491         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5492         Change all callers.
5493         (Sized_symbol::init): Likewise.
5494         (Symbol::output_section): Check for ordinary symbol.
5495         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
5496         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
5497         callers.
5498         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5499         Change all callers.  Simplify handling of symbols from sections
5500         not included in the link.
5501         (Symbol_table::add_from_dynobj): Handle ordinary symbol
5502         distinction.
5503         (Weak_alias_sorter::operator()): Assert that symbols are
5504         ordinary.
5505         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5506         distinction.
5507         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5508         parameters.  Change all callers.
5509         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5510         symbol distinction.  Use SHN_XINDEX when needed.
5511         (Symbol_table::write_section_symbol): Add symtab_xindex
5512         parameter.  Change all callers.
5513         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5514         SHN_XINDEX when needed.
5515         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5516         declarations.
5517         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5518         (Symbol::is_defined): Check is_ordinary.
5519         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5520         (Symbol::is_absolute, Symbol::is_common): Likewise.
5521         (class Sized_symbol): Update declarations.
5522         (class Symbol_table): Update declarations.
5523         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5524         parameters.  Change all callers.
5525         (Sized_symbol::override): Likewise.
5526         (Symbol_table::override): Likewise.
5527         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5528         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5529         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5530         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5531         to be in an ordinary section.
5532         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5533         object and is_ordinary parameters.  Change all callers.
5534         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5535         Change all callers.  Don't add undefined or non-ordinary symbols
5536         to reloc_map_.
5537         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5538         Change all callers.
5539         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5540         declarations.
5541         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5542         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5543         (Sized_relobj::relocate_sections): Likewise.
5544         * target-reloc.h (scan_relocs): Adjust section symbol index.
5545         (scan_relocatable_relocs): Likewise.
5546         * i386.cc (Scan::local): Check for ordinary symbols.
5547         * sparc.cc (Scan::local): Likewise.
5548         * x86_64.cc (Scan::local): Likewise.
5549         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5550         to symbol_section_and_value.
5551         * testsuite/many_sections_test.cc: New file.
5552         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5553         (check_PROGRAMS): Add many_sections_test.
5554         (many_sections_test_SOURCES): Define.
5555         (many_sections_test_DEPENDENCIES): Define.
5556         (many_sections_test_LDFLAGS): Define.
5557         (BUILT_SOURCES): Add many_sections_define.h.
5558         (many_sections_define.h): New target.
5559         (BUILT_SOURCES): Add many_sections_check.h.
5560         (many_sections_check.h): New target.
5561         (check_PROGRAMS): Add many_sections_r_test.
5562         (many_sections_r_test_SOURCES): Define.
5563         (many_sections_r_test_DEPENDENCIES): Define.
5564         (many_sections_r_test_LDFLAGS): Define.
5565         (many_sections_r_test_LDADD): Define.
5566         (many_sections_r_test.o): New target.
5567         * testsuite/Makefile.in: Rebuild.
5569 2008-04-17  Cary Coutant  <ccoutant@google.com>
5571         * errors.cc (Errors::info): New function.
5572         (gold_info): New function.
5573         * errors.h (Errors::info): New function.
5574         * gold.h (gold_info): New function.
5575         * object.cc (Input_objects::add_object): Print trace output.
5576         * options.cc (options::parse_set): New function.
5577         (General_options::parse_wrap): Deleted.
5578         (General_options::General_options): Deleted initializer.
5579         * options.h (options::String_set): New typedef.
5580         (options::parse_set): New function.
5581         (DEFINE_set): New macro.
5582         (General_options::wrap): Changed to use DEFINE_set. Changed
5583         callers of any_wrap_symbols and is_wrap_symbol.
5584         (General_options::trace, General_options::trace_symbol):
5585         New options.
5586         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5587         (General_options::wrap_symbols_): Deleted.
5588         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5590 2008-04-17  David S. Miller  <davem@davemloft.net>
5592         * options.cc (General_options::parse_V): New function.
5593         * options.h: Add entries for -V and -Qy.
5595 2008-04-17  Ian Lance Taylor  <iant@google.com>
5597         * common.cc (Symbol_table::allocate_commons): Remove options
5598         parameter.  Change caller.
5599         (Symbol_table::do_allocate_commons): Remove options parameter.
5600         Change caller.  Just call do_allocate_commons_list twice.
5601         (Symbol_table::do_allocate_commons_list): New function, broken out
5602         of do_allocate_commons.
5603         * common.h (class Allocate_commons_task): Remove options_ field.
5604         Update constructor.
5605         * symtab.cc (Symbol_table::Symbol_table): Initialize
5606         tls_commons_.
5607         (Symbol_table::add_from_object): Put TLS common symbols on
5608         tls_commons_ list.
5609         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5610         which are IN_OUTPUT_DATA.
5611         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5612         allocate_commons and do_allocate_commons declarations.  Declare
5613         do_allocate_commons_list.
5614         * gold.cc (queue_middle_tasks): Update creation of
5615         Allocate_commons_task to not pass options.
5616         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5617         (TLS_TEST_C_FLAGS): New variable.
5618         (tls_test_c_pic.o): New target.
5619         (tls_test_shared.so): Link in tls_test_c_pic.o.
5620         (tls_test_c_pic_ie.o): New target.
5621         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5622         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5623         (tls_test_c.o): New target.
5624         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5625         (tls_pic_test_LDADD): Likewise.
5626         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5627         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5628         (tls_test_c_gnu2.o): New target.
5629         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5630         tls_test_c_gnu2.o.
5631         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5632         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5633         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5634         * testsuite/tls_test.cc: Include "config.h".
5635         (t_last): Call t11_last.
5636         * testsuite/tls_test.h (t11, t11_last): Declare.
5637         * testsuite/tls_test_c.c: New file.
5638         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5639         * configure.ac: Check for OpenMP support.
5640         * configure, config.in, Makefile.in: Rebuild.
5641         * testsuite/Makefile.in: Rebuild.
5643 2008-04-16  Cary Coutant  <ccoutant@google.com>
5645         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5646         (Target_i386::tls_base_symbol_defined_): New field.
5647         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5648         (Target_i386::Scan::global): Likewise.
5649         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5650         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5651         (Target_x86_64::tls_base_symbol_defined_): New field.
5652         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5653         (Target_x86_64::Scan::global): Likewise.
5655 2008-04-16  Cary Coutant  <ccoutant@google.com>
5657         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5658         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5659         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5660         building shared libraries.
5661         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5662         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5663         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5664         * testsuite/Makefile.in: Rebuild.
5665         * testsuite/weak_undef.h: New file.
5666         * testsuite/weak_undef_file1.cc: Add extra test cases.
5667         * testsuite/weak_undef_file2.cc: Likewise.
5668         * testsuite/weak_undef_test.cc: Likewise.
5670 2008-04-16  David S. Miller  <davem@davemloft.net>
5672         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5673         Add issued_non_pic_error_ field.  Declare check_non_pic.
5674         (Target_sparc::Scan::check_non_pic): New function.
5675         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5676         (Target_sparc::Scan::global): Likewise.
5678         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5679         * configure: Rebuild.
5681         * options.h (DEFINE_enable): New macro.
5682         (new_dtags): New enable option.
5683         (initfirst, interpose, loadfltr, nodefaultlib,
5684         nodelete, nodlopen, nodump): New -z options.
5685         * layout.cc (Layout:finish_dynamic_section): If new
5686         dtags enabled, emit DT_RUNPATH.  Also, emit a
5687         DT_FLAGS_1 containing any specified -z flags.
5689 2008-04-16  Ian Lance Taylor  <iant@google.com>
5691         * copy-relocs.cc: New file.
5692         * copy-relocs.h: New file.
5693         * reloc.cc: Remove Copy_relocs code.
5694         * reloc.h: Likewise.
5695         * reloc-types.h (struct Reloc_types) [both versions]: Add
5696         get_reloc_addend_noerror.
5697         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5698         variants of add_global which take an addend which must be zero.
5699         * i386.cc: Include "copy-relocs.h".
5700         (class Target_i386): Change type of copy_relocs_ to variable,
5701         update initializer.
5702         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5703         Change all callers.
5704         (Target_i386::do_finalize_sections): Change handling of
5705         copy_relocs_.
5706         * sparc.cc: Include "copy-relocs.h".
5707         (class Target_sparc): Change type of copy_relocs_ to variable,
5708         update initializer.
5709         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5710         Change all callers.
5711         (Target_sparc::do_finalize_sections): Change handling of
5712         copy_relocs_.
5713         * x86_64.cc: Include "copy-relocs.h".
5714         (class Target_x86_64): Change type of copy_relocs_ to variable,
5715         update initializer.
5716         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5717         class.  Change all callers.
5718         (Target_x86_64::do_finalize_sections): Change handling of
5719         copy_relocs_.
5720         * Makefile.am (CCFILES): Add copy-relocs.cc.
5721         (HFILES): Add copy-relocs.h.
5723         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5725         * testsuite/script_test_4.sh: Permit leading zeroes.
5727 2008-04-15  Ian Lance Taylor  <iant@google.com>
5729         * script-sections.cc (Script_sections::create_segments): Use
5730         header_size_adjustment even when there is enough room for the
5731         headers.
5732         * testsuite/script_test_4.sh: New file.
5733         * testsuite/script_test_4.t: New file.
5734         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5735         (check_DATA): Add script_test_4.stdout.
5736         (MOSTLYCLEANFILES): Likewise.
5737         (script_test_4): New target.
5738         (script_test_4.stdout): New target.
5739         * testsuite/Makefile.in: Rebuild.
5741         * sparc.cc: Add definitions for Output_data_plt_sparc class
5742         constants.
5744 2008-04-14  David S. Miller  <davem@davemloft.net>
5746         * sparc.cc: New file.
5747         * Makefile.am (TARGETSOURCES): Add sparc.cc
5748         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5749         * configure.tgt: Document targ_extra_size and
5750         targ_extra_big_endian.  Add entries for sparc-* and
5751         sparc64-*.
5752         * configure.ac: Handle targ_extra_size and
5753         targ_extra_big_endian.
5754         * Makefile.in: Rebuild.
5755         * configure: Likewise.
5756         * po/POTFILES.in: Likewise.
5757         * po/gold.pot: Likewise.
5759 2008-04-14  Ian Lance Taylor  <iant@google.com>
5761         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5762         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5763         in the name/type/flags to section mapping.  Don't call
5764         allocate_output_section.
5765         (Layout::choose_output_section): Change parameter from adjust_name
5766         to is_input_section.  Don't permit input sections after sections
5767         are attached to segments.  Don't call allocate_output_section.
5768         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5769         not write_enable_output_section.
5770         (Layout::make_output_section): Don't push to
5771         unattached_section_list_ nor call attach_to_segment.  Call
5772         attach_section_to_segment if sections are attached.
5773         (Layout::attach_sections_to_segments): New function.
5774         (Layout::attach_section_to_segment): New function.
5775         (Layout::attach_allocated_section_to_segment): Rename from
5776         attach_to_segment.  Remove flags parameter.
5777         (Layout::allocate_output_section): Remove function.
5778         (Layout::write_enable_output_section): Remove function.
5779         * layout.h (class Layout): Update for above changes.  Add new
5780         field sections_are_attached_.
5781         * output.h (Output_section::update_flags_for_input_section): New
5782         function.
5783         * output.cc (Output_section::add_input_section): Call
5784         update_flags_for_input_section.
5785         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5787 2008-04-11  Cary Coutant  <ccoutant@google.com>
5789         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5790         thought unnecessary.
5791         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5793 2008-04-11  Ian Lance Taylor  <iant@google.com>
5795         * output.h (class Output_section_data): Remove inline definition
5796         of set_addralign.
5797         * output.cc (Output_section_data::set_addralign): New function.
5799 2008-04-11  Cary Coutant  <ccoutant@google.com>
5801         Add support for TLS descriptors for i386 and x86_64.
5802         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5803         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5804         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5805         GOT_TYPE_TLS_DESC.
5806         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5807         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5808         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5809         relocations.
5810         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5811         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5812         Fix problem with initial-exec relocations.
5813         (Target_i386::Relocate::relocate_tls): Likewise.
5814         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5815         relaxation.
5816         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5817         support for section-plus-offset dynamic table entries.
5818         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5819         (Output_data_dynamic::Dynamic_entry): Add support for
5820         section-plus-offset dynamic table entries.
5821         (Output_data_dynamic::Classification): Likewise.
5822         (Output_data_dynamic::classification_): Renamed offset_.
5823         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5824         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5825         (Target_x86_64::make_plt_section): New function.
5826         (Target_x86_64::reserve_tlsdesc_entries): New function.
5827         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5828         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5829         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5830         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5831         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5832         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5833         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5834         add extra PLT entry for TLS descriptors.
5835         (Output_data_plt_x86_64::got_): New field.
5836         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5837         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5838         fields.
5839         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5840         descriptors.
5841         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5842         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5843         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5844         R_386_TLS_DESC_CALL relocations.
5845         (Target_x86_64::Scan::global): Likewise.
5846         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5847         for TLS descriptors.
5848         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5849         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5850         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5851         GD-to-IE relaxation.
5852         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5853         and TLS_DESCRIPTORS.
5854         * Makefile.in: Rebuild.
5855         * configure: Rebuild.
5856         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5857         (tls_test_shared2.so): New target.
5858         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5859         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5860         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5861         (tls_shared_gd_to_ie_test_LDADD): New variable.
5862         (tls_shared_gnu2_gd_to_ie_test): New target.
5863         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5864         New targets.
5865         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5866         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5867         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5868         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5869         (tls_shared_gnu2_test): New target.
5870         (tls_test_gnu2_shared.so): New target.
5871         (tls_shared_gnu2_test_SOURCES): New variable.
5872         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5873         (tls_shared_gnu2_test_LDFLAGS): New variable.
5874         (tls_shared_gnu2_test_LDADD): New variable.
5875         * testsuite/Makefile.in: Rebuild.
5876         * testsuite/Makefile.
5878 2008-04-11  Ian Lance Taylor  <iant@google.com>
5880         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5881         justsyms.t.
5882         * testsuite/Makefile.in: Rebuild.
5884         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5885         long.
5886         * testsuite/script_test_2.cc (main): Adjust test.
5888 2008-04-11  David S. Miller  <davem@davemloft.net>
5889             Ian Lance Taylor  <iant@google.com>
5891         * options.h (General_options): Add entries for '-Y' and
5892         '-relax'.
5893         * options.cc (General_options:finalize): If -Y was used, add those
5894         entries to the library path instead of the default "/lib" and
5895         "/usr/lib".
5897 2008-04-11  David S. Miller  <davem@davemloft.net>
5899         * testsuite/justsyms.t: Start at 0x100.
5900         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5901         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5902         long.
5903         * testsuite/script_test_2.cc: Adjust string and section length
5904         checks.
5906 2008-04-09  Ian Lance Taylor  <iant@google.com>
5908         PR gold/5996
5909         * script-sections.cc (Sections_element::allocate_to_segment): Add
5910         orphan parameter.
5911         (Output_section_definition::allocate_to_segment): Likewise.
5912         (Orphan_output_section::allocate_to_segment): Likewise.
5913         (Script_sections::attach_sections_using_phdrs_clause): Don't
5914         propagate non-PT_LOAD segments to orphan sections.
5915         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5916         readelf rather than objdump.
5917         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5918         .interp section and PT_INTERP segment are the same size.
5919         * testsuite/Makefile.in: Rebuild.
5921         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5922         aliases for symbols defined in the same object.
5923         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5924         (weak_alias_test_SOURCES): New variable.
5925         (weak_alias_test_DEPENDENCIES): New variable.
5926         (weak_alias_test_LDFLAGS): New variable.
5927         (weak_alias_test_LDADD): New variable.
5928         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5929         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5930         (weak_alias_test_3.o): New target.
5931         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5932         * testsuite/weak_alias_test_main.cc: New file.
5933         * testsuite/weak_alias_test_1.cc: New file.
5934         * testsuite/weak_alias_test_2.cc: New file.
5935         * testsuite/weak_alias_test_3.cc: New file.
5937 2008-04-08  Ian Lance Taylor  <iant@google.com>
5939         * options.h (class General_options): Add --noinhibit-exec option.
5940         * main.cc (main): Check --noinhibit-exec.
5942         * options.h (class General_options): Define --wrap as a special
5943         option.  Add wrap_symbols_ field.
5944         (General_options::any_wrap_symbols): New function.
5945         (General_options::is_wrap_symbol): New function.
5946         * options.cc (General_options::parse_wrap): New function.
5947         (General_options::General_options): Initialize wrap_symbols_.
5948         * symtab.cc (Symbol_table::wrap_symbol): New function.
5949         (Symbol_table::add_from_object): Handle --wrap.
5950         * symtab.h (class Symbol_table): Declare wrap_symbol.
5951         * target.h (Target::wrap_char): New function.
5952         (Target::Target_info): Add wrap_char field.
5953         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5954         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5955         * testsuite/testfile.cc (Target_test::test_target_info):
5956         Likewise.
5958         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5959         there is one.
5961         * layout.h (class Layout): Add added_eh_frame_data_ field.
5962         * layout.cc (Layout::Layout): Initialize new field.
5963         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5964         output section until we find a section we merged successfully.
5965         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5966         that the size be non-zero.
5968         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5969         qualifier.
5971 2008-04-08  Craig Silverstein  <csilvers@google.com>
5973         * configure.ac: Export new conditional variable HAVE_ZLIB.
5974         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5975         on HAVE_ZLIB.
5976         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5977         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5979 2008-04-07  Ian Lance Taylor  <iant@google.com>
5981         * version.cc (version_string): Set to "1.5".
5983         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5984         Add issued_non_pic_error_ field.  Declare check_non_pic.
5985         (Target_x86_64::Scan::check_non_pic): New function.
5986         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5987         (Target_x86_64::Scan::global): Likewise.
5989         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5990         addend parameter.  Change caller.  Handle merge sections.
5991         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5992         Address to Addend.  Don't add in the result of
5993         local_section_offset, pass down the addend and use the returned
5994         value.
5995         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5996         Update declarations of local_section_offset and symbol_value.
5997         * testsuite/two_file_test_1.cc (t18): New function.
5998         * testsuite/two_file_test_2.cc (f18): New function.
5999         * testsuite/two_file_test_main.cc (main): Call t18.
6000         * testsuite/two_file_test.h (t18, f18): Declare.
6002         * configure.ac: Don't test for objdump, c++filt, or readelf.
6003         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6004         conditionals.
6005         (TEST_READELF): New variable.
6006         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6007         (check_PROGRAMS): Add two_file_strip_test.
6008         (two_file_strip_test): New target.
6009         (check_PROGRAMS): Add two_file_same_shared_strip_test.
6010         (two_file_same_shared_strip_test_SOURCES): New variable.
6011         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6012         (two_file_same_shared_strip_test_LDFLAGS): New variable.
6013         (two_file_same_shared_strip_test_LDADD): New variable.
6014         (two_file_shared_strip.so): New target.
6015         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6016         (ver_test_5.syms, ver_test_7.syms): Likewise.
6017         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6018         (strip_test_3.stdout): Use TEST_OBJDUMP.
6019         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6021 2008-04-04  Cary Coutant  <ccoutant@google.com>
6023         * symtab.h (Symbol::is_weak_undefined): New function.
6024         (Symbol::is_strong_undefined): New function.
6025         (Symbol::is_absolute): New function.
6026         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6027         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6028         absolute symbols.
6029         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6030         (weak_undef_test): New target.
6031         * testsuite/Makefile.in: Rebuild.
6032         * testsuite/weak_undef_file1.cc: New file.
6033         * testsuite/weak_undef_file2.cc: New file.
6034         * testsuite/weak_undef_test.cc: New file.
6036 2008-04-03  Craig Silverstein  <csilvers@google.com>
6038         * compressed_output.h (class Output_compressed_section): Use
6039         unsigned buffer.
6040         * compressed_output.cc (zlib_compress): Use unsigned buffers,
6041         add zlib header.
6042         (zlib_compressed_suffix): Removed.
6043         (Output_compressed_section::set_final_data_size): Use unsigned
6044         buffers.
6045         * testsuite/Makefile.am (flagstest_compress_debug_sections):
6046         Fix linker invocation.
6047         (flagstest_o_specialfile_and_compress_debug_sections):
6048         Likewise.
6049         * testsuite/Makefile.in: Regenerated.
6051 2008-04-02  David S. Miller  <davem@davemloft.net>
6053         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6054         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6056 2008-04-02  Craig Silverstein  <csilvers@google.com>
6058         * TODO: New file.
6060 2008-04-02  Ian Lance Taylor  <iant@google.com>
6062         * fileread.cc (File_read::find_view): Add byteshift and vshifted
6063         parameters.  Update for new key type to views_.  Change all
6064         callers.
6065         (File_read::read): Adjust for byteshift in returned view.
6066         (File_read::add_view): New function, broken out of
6067         find_and_make_view.
6068         (File_read::make_view): New function, broken out of
6069         find_and_make_view.
6070         (File_read::find_or_make_view): Add offset and aligned
6071         parameters.  Rewrite accordingly.  Change all callers.
6072         (File_read::get_view): Add offset and aligned parameters.  Adjust
6073         for byteshift in return value.
6074         (File_read::get_lasting_view): Likewise.
6075         * fileread.h (class File_read): Update declarations.
6076         (class File_read::View): Add byteshift_ field.  Add byteshift to
6077         constructor.  Add byteshift method.
6078         * archive.h (Archive::clear_uncached_views): New function.
6079         (Archive::get_view): Add aligned parameter.  Change all callers.
6080         * object.h (Object::get_view): Add aligned parameter.  Change all
6081         callers.
6082         (Object::get_lasting_view): Likewise.
6084         * fileread.cc (File_read::release): Don't call clear_views if
6085         there are multiple objects.
6086         * fileread.h (File_read::clear_uncached_views): New function.
6087         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6088         on the archive.
6090 2008-03-31  Cary Coutant  <ccoutant@google.com>
6092         Add thin archive support.
6093         * archive.cc (Archive::armagt): New const.
6094         (Archive::setup): Remove task parameter and calls to unlock.
6095         (Archive::unlock_nested_archives): New function.
6096         (Archive::read_header): Add nested_off parameter. Change
6097         all callers.
6098         (Archive::interpret_header): Likewise.
6099         (Archive::include_all_members): Change to handle thin
6100         archives.
6101         (Archive::include_member): Likewise.
6102         * archive.h (Archive::Archive): Add new parameters and
6103         initializers.
6104         (Archive::armagt): New const.
6105         (Archive::setup): Remove task parameter.
6106         (Archive::unlock_nested_archives): New function.
6107         (Archive::read_header): Add nested_off parameter.
6108         (Archive::interpret_header): Likewise.
6109         (Archive::Nested_archive_table): New typedef.
6110         (Archive::is_thin_archive_): New field.
6111         (Archive::nested_archives_): New field.
6112         (Archive::options_): New field.
6113         (Archive::dirpath_): New field.
6114         (Archive::task_): New field.
6115         * readsyms.cc (Read_symbols::do_read_symbols): Add check
6116         for thin archives.  Pass additional parameters to
6117         Archive::Archive.  Unlock the archive file after calling
6118         Archive::setup.
6120 2008-03-29  Ian Lance Taylor  <iant@google.com>
6122         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6123         version symbol to be local.
6124         * testsuite/ver_test_4.sh: New file.
6125         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6126         (check_DATA): Add ver_test_4.syms.
6127         (ver_test_4.syms): New target.
6128         * testsuite/Makefile.in: Rebuild.
6130         * output.cc
6131         (Output_section::Input_section_sort_entry::has_priority): New
6132         function.
6133         (Output_section::Input_section_sort_entry::match_file_name): New
6134         function.
6135         (Output_section::Input_section_sort_entry::match_section_name):
6136         Remove.
6137         (Output_section::Input_section_sort_entry::match_section_name_prefix):
6138         Remove.
6139         (Output_section::Input_section_sort_entry::match_section_file):
6140         Remove.
6141         (Output_section::Input_section_sort_compare::operator()): Rewrite
6142         using new Input_section_sort_entry functions.  Sort crtbegin and
6143         crtend first.  Sort sections with no priority before sections with
6144         a priority.
6145         * testsuite/initpri1.c (d3): Check j != 4.
6146         (cd5): New constructor/destructor function.
6147         (main): Check j != 2.
6149         * symtab.cc (Symbol_table::add_from_object): If we don't use the
6150         new symbol when resolving, don't call set_is_default.
6151         * testsuite/ver_test_7.cc: New file.
6152         * testsuite/ver_test_7.sh: New file.
6153         * testsuite/Makefile.am (ver_test_7.so): New target.
6154         (ver_test_7.o): New target.
6155         (check_SCRIPTS): Add ver_test_7.sh.
6156         (check_DATA): Add ver_test_7.syms.
6157         (ver_test_7.syms): New target.
6159 2008-03-28  Ian Lance Taylor  <iant@google.com>
6161         * layout.cc (Layout::layout): If we see an input section with a
6162         name that needs sorting, set the must_sort flag for the output
6163         section.
6164         (Layout::make_output_section): If the name of the output section
6165         indicates that it might require sorting, set the may_sort flag.
6166         * output.h (Output_section::may_sort_attached_input_sections): New
6167         function.
6168         (Output_section::set_may_sort_attached_input_sections): New
6169         function.
6170         (Output_section::must_sort_attached_input_sections): New
6171         function.
6172         (Output_section::set_must_sort_attached_input_sections): New
6173         function.
6174         (class Output_section): Declare Input_section_sort_entry.  Define
6175         Input_section_sort_compare.  Declare
6176         sort_attached_input_sections.  Add new fields:
6177         may_sort_attached_input_sections_,
6178         must_sort_attached_input_sections_,
6179         attached_input_sections_are_sorted_.
6180         * output.cc (Output_section::Output_section): Initialize new
6181         fields.
6182         (Output_section::add_input_section): Add an entry to
6183         input_sections_ if may_sort or must_sort are true.
6184         (Output_section::set_final_data_size): Call
6185         sort_attached_input_sections if necessary.
6186         (Output_section::Input_section_sort_entry): Define new class.
6187         (Output_section::Input_section_sort_compare::operator()): New
6188         function.
6189         (Output_section::sort_attached_input_sections): New function.
6190         * configure.ac: Check whether the compiler supports constructor
6191         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
6192         * testsuite/initpri1.c: New file.
6193         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
6194         CONSTRUCTOR_PRIORITY.
6195         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
6196         (initpri1_LDFLAGS): New variable.
6197         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6199 2008-03-27  Ian Lance Taylor  <iant@google.com>
6201         * common.cc (Sort_commons::operator): Correct sorting algorithm.
6202         * testsuite/common_test_1.c: New file.
6203         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
6204         (common_test_1_SOURCES): New variable.
6205         (common_test_1_DEPENDENCIES): New variable.
6206         (common_test_1_LDFLAGS): New variable.
6208         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
6209         and commons_ correctly when NAME/VERSION does not override
6210         NAME/NULL.
6211         * testsuite/ver_test_6.c: New file.
6212         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
6213         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
6214         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
6216 2008-03-26  Ian Lance Taylor  <iant@google.com>
6218         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
6219         of an undefined symbol from a version script.
6220         * testsuite/Makefile.am (ver_test_5.so): New target.
6221         (ver_test_5.o): New target.
6222         (check_SCRIPTS): Add ver_test_5.sh.
6223         (check_DATA): Add ver_test_5.syms.
6224         (ver_test_5.syms): New target.
6225         * testsuite/ver_test_5.cc: New file.
6226         * testsuite/ver_test_5.script: New file.
6227         * testsuite/ver_test_5.sh: New file.
6228         * Makefile.in, testsuite/Makefile.in: Rebuild.
6230         PR gold/5986
6231         Fix problems building gold with gcc 4.3.0.
6232         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
6233         (gold_error_at_location, gold_warning_at_location): Use it.
6234         * configure.ac: Check whether we can compile and use a template
6235         function with a printf attribute.
6236         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6237         when jumping over bytes.
6238         * object.cc: Instantiate Object::read_section_data.
6239         * debug.h: Include <cstring>
6240         * dwarf_reader.cc: Include <algorithm>
6241         * main.cc: Include <cstring>.
6242         * options.cc: Include <cstring>.
6243         * output.cc: Include <cstring>.
6244         * script.cc: Include <cstring>.
6245         * script.h: Include <string>.
6246         * symtab.cc: Include <cstring> and <algorithm>.
6247         * target-select.cc: Include <cstring>.
6248         * version.cc: Include <string>.
6249         * testsuite/testmain.cc: Include <cstdlib>.
6250         * configure, config.in: Rebuild.
6252 2008-03-25  Ian Lance Taylor  <iant@google.com>
6254         * options.cc: Include "../bfd/bfdver.h".
6255         (options::help): Print bug reporting address.
6257         * version.cc (print_version): Adjust output for current value of
6258         BFD_VERSION_STRING.
6260         * NEWS: New file.
6262         * options.cc (options::help): Print list of supported targets.
6263         * target-select.h: Include <vector>.
6264         (class Target_selector): Make machine_, size_, and is_big_endian_
6265         fields const.  Add bfd_name_ and instantiated_target_ fields.
6266         (Target_selector::Target_selector): Add bfd_name parameter.
6267         (Target_selector::recognize): Make non-virtual, call
6268         do_recognize.
6269         (Target_selector::recognize_by_name): Make non-virtual, call
6270         do_recognize_by_name.
6271         (Target_selector::supported_names): New function.
6272         (Target_selector::bfd_name): New function.
6273         (Target_selector::do_instantiate_target): New pure virtual
6274         function.
6275         (Target_selector::do_recognize): New virtual function.
6276         (Target_selector::do_recognize_by_name): New virtual function.
6277         (Target_selector::instantiate_target): New private function.
6278         (supported_target_names): Declare.
6279         * target-select.cc (Target_selector::Target_selector): Update for
6280         new parameter and fields.
6281         (select_target_by_name): Check that the name matches before
6282         calling recognize_by_name.
6283         (supported_target_names): New function.
6284         * i386.cc (class Target_selector_i386): Update Target_selector
6285         constructor call.  Remove recognize and recognize_by_name.  Add
6286         do_instantiate_target.
6287         * x86_64.cc (class Target_selector_x86_64): Likewise.
6288         * testsuite/testfile.cc (class Target_selector_test): Update for
6289         changes to Target_selector.
6291         * README: Rewrite, with some notes on unsupported features.
6293 2008-03-24  Cary Coutant  <ccoutant@google.com>
6295         * i386.cc (Target_i386::Got_type): New enum declaration.
6296         (Target_i386::Scan::local): Updated callers of Output_data_got
6297         member functions.
6298         (Target_i386::Scan::global): Likewise.
6299         (Target_i386::Relocate::relocate): Likewise.
6300         (Target_i386::Relocate::relocate_tls): Likewise.
6301         * object.h (Got_offset_list): New class.
6302         (Sized_relobj::local_has_got_offset): Added got_type parameter.
6303         (Sized_relobj::local_got_offset): Likewise.
6304         (Sized_relobj::set_local_got_offset): Likewise.
6305         (Sized_relobj::local_has_tls_got_offset): Removed.
6306         (Sized_relobj::local_tls_got_offset): Removed.
6307         (Sized_relobj::set_local_tls_got_offset): Removed.
6308         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6309         * output.cc (Output_data_got::add_global): Added got_type parameter.
6310         (Output_data_got::add_global_with_rel): Likewise.
6311         (Output_data_got::add_global_with_rela): Likewise.
6312         (Output_data_got::add_global_pair_with_rel): New function.
6313         (Output_data_got::add_global_pair_with_rela): New function.
6314         (Output_data_got::add_local): Added got_type parameter.
6315         (Output_data_got::add_local_with_rel): Likewise.
6316         (Output_data_got::add_local_with_rela): Likewise.
6317         (Output_data_got::add_local_pair_with_rel): New function.
6318         (Output_data_got::add_local_pair_with_rela): New function.
6319         (Output_data_got::add_global_tls): Removed.
6320         (Output_data_got::add_global_tls_with_rel): Removed.
6321         (Output_data_got::add_global_tls_with_rela): Removed.
6322         (Output_data_got::add_local_tls): Removed.
6323         (Output_data_got::add_local_tls_with_rel): Removed.
6324         (Output_data_got::add_local_tls_with_rela): Removed.
6325         * output.h (Output_data_got::add_global): Added got_type parameter.
6326         (Output_data_got::add_global_with_rel): Likewise.
6327         (Output_data_got::add_global_with_rela): Likewise.
6328         (Output_data_got::add_global_pair_with_rel): New function.
6329         (Output_data_got::add_global_pair_with_rela): New function.
6330         (Output_data_got::add_local): Added got_type parameter.
6331         (Output_data_got::add_local_with_rel): Likewise.
6332         (Output_data_got::add_local_with_rela): Likewise.
6333         (Output_data_got::add_local_pair_with_rel): New function.
6334         (Output_data_got::add_local_pair_with_rela): New function.
6335         (Output_data_got::add_global_tls): Removed.
6336         (Output_data_got::add_global_tls_with_rel): Removed.
6337         (Output_data_got::add_global_tls_with_rela): Removed.
6338         (Output_data_got::add_local_tls): Removed.
6339         (Output_data_got::add_local_tls_with_rel): Removed.
6340         (Output_data_got::add_local_tls_with_rela): Removed.
6341         * resolve.cc (Symbol::override_base_with_special): Removed
6342         reference to has_got_offset_ field.
6343         * symtab.cc (Symbol::init_fields): Replaced initialization
6344         of got_offset_ with got_offsets_.  Removed initialization
6345         of has_got_offset_
6346         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
6347         (Symbol::got_offset): Likewise.
6348         (Symbol::set_got_offset): Likewise.
6349         (Symbol::has_tls_got_offset): Removed.
6350         (Symbol::tls_got_offset): Removed.
6351         (Symbol::set_tls_got_offset): Removed.
6352         (Symbol::got_offset_): Removed.
6353         (Symbol::tls_mod_got_offset_): Removed.
6354         (Symbol::tls_pair_got_offset_): Removed.
6355         (Symbol::got_offsets_): New field.
6356         (Symbol::has_got_offset): Removed.
6357         (Symbol::has_tls_mod_got_offset): Removed.
6358         (Symbol::has_tls_pair_got_offset): Removed.
6359         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
6360         (Target_x86_64::Scan::local): Updated callers of Output_data_got
6361         member functions.
6362         (Target_x86_64::Scan::global): Likewise.
6363         (Target_x86_64::Relocate::relocate): Likewise.
6364         (Target_x86_64::Relocate::relocate_tls): Likewise.
6366 2008-03-25  Ben Elliston  <bje@au.ibm.com>
6368         * yyscript.y: Fix spelling error in comment.
6370 2008-03-24  Ian Lance Taylor  <iant@google.com>
6372         * options.h (class General_options): Define build_id option.
6373         * layout.h (class Layout): Declare write_build_id, create_note,
6374         create_build_id.  Add build_id_note_ member.
6375         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
6376         "libiberty.h", "md5.h", "sha1.h".
6377         (Layout::Layout): Initialize eh_frame_data_,
6378         eh_frame_hdr_section_, and build_id_note_.
6379         (Layout::finalize): Call create_build_id.
6380         (Layout::create_note): New function, broken out of
6381         Layout::create_gold_note.
6382         (Layout::create_gold_note): Call create_note.
6383         (Layout::create_build_id): New function.
6384         (Layout::write_build_id): New function.
6385         (Close_task_runner::run): Call write_build_id.
6387         * x86_64.cc: Correct license to GPLv3.
6389 2008-03-23  Ian Lance Taylor  <iant@google.com>
6391         * options.cc: Include "demangle.h".
6392         (parse_optional_string): New function.
6393         (parse_long_option): Handle takes_optional_argument.
6394         (parse_short_option): Update dash_z initializer.  Handle
6395         takes_optional_argument.
6396         (General_options::General_options): Initialize do_demangle_.
6397         (General_options::finalize): Set do_demangle_.  Handle demangling
6398         style.
6399         * options.h (parse_optional_string): Declare.
6400         (struct One_option): Add optional_arg field.  Update constructor.
6401         Update call constructor calls.  Add takes_optional_argument
6402         function.
6403         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
6404         (DEFINE_optional_string): Define.
6405         (General_options::demangle): Change from DEFINE_bool to
6406         DEFINE_optional_string.
6407         (General_options::no_demangle): New function.
6408         (General_options::do_demangle): New function.
6409         (General_options::set_do_demangle): New function.
6410         (General_options::execstack_status_): Move definition to end of
6411         class definition.
6412         (General_options::static_): Likewise.
6413         (General_options::do_demangle_): New field.
6414         * object.cc (big_endian>::get_symbol_location_info): Call
6415         Options::do_demangle, not Options::demangle.
6416         * symtab.cc (demangle): Likewise.
6418 2008-03-22  Ian Lance Taylor  <iant@google.com>
6420         * gold.h: Include <cstddef> and <sys/types.h>
6421         * options.h: Include <cstring>.
6423 2008-03-21  Ian Lance Taylor  <iant@google.com>
6425         * Added source code to GNU binutils.