gold:
[binutils.git] / gold / ChangeLog
blob714998b76c6a1b9a134785b99c15ea2a8a0d175a
1 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2             Nick Clifton  <nickc@redhat.com>
4         * configure.ac (install_as_default): Define and set to false
5         unless --enable-gold or --enable-gold=both/gold has been
6         specified.
7         * configure: Regenerate.
9         * Makefile.am (install-exec-local): Install the executable as
10         'ld.gold'.  If install_as_default is true then also install it as
11         'ld'.
12         * Makefile.in: Regenerated.
14 2010-04-24  Ian Lance Taylor  <iant@google.com>
16         * layout.cc (Layout::layout_reloc): In relocatable link don't
17         combine reloc sections for grouped sections.
19 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
21         * gc.h (gc_process_relocs): Pass information on relocs pointing to
22         sections that are not ordinary to icf.
23         * icf.cc (get_section_contents): Handle relocation pointing to section
24         with no object or shndx information.
25         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
26         * testsuite/Makefile.in: Regenerate.
27         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
28         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
30 2010-04-22  Ian Lance Taylor  <iant@google.com>
32         * expression.cc (Expression::Expression_eval_info): Add
33         result_alignment_pointer field.
34         (Expression::eval_with_dot): Add result_alignment_pointer
35         parameter.  Change all callers.
36         (Expression::eval_maybe_dot): Likewise.
37         (class Binary_expression): Add alignment_pointer parameter to
38         left_value and right_value.  Change all callers.
39         (BINARY_EXPRESSION): Set result alignment.
40         (class Trinary_expression): Add alignment_pointer parameter to
41         arg2_value and arg3_value.  Change all callers.
42         (Trinary_cond::value): Set result alignment.
43         (Max_expression::value, Min_expression::value): Likewise.
44         (Align_expression::value): Likewise.
45         * script-sections.cc (class Sections_element): Add dot_alignment
46         parameter to set_section_addresses virtual function.  Update
47         instantiations.
48         (class Output_section_element): Likewise.
49         (Script_sections::create_segments): Add dot_alignment parameter.
50         Change all callers.
51         (Script_sections::create_segments_from_phdrs_clause): Likewise.
52         (Script_sections::set_phdrs_clause_addresses): Likewise.
53         * script-sections.h: Update declarations.
54         * script.h: Update declarations.
55         * output.h (Output_segment::set_minimum_p_align): Don't decrease
56         min_p_align.
57         * testsuite/script_test_3.t: Set large alignment.
58         * testsuite/script_test_3.sh: Make sure that at least one LOAD
59         segment has expected alignment.
61 2010-04-22  Nick Clifton  <nickc@redhat.com>
63         * po/gold.pot: Updated by the Translation project.
64         * po/vi.po: Updated Vietnamese translation.
66 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
68         * testsuite/Makefile.am (check_PROGRAMS): Add
69         icf_virtual_function_folding_test.
70         * testsuite/Makefile.in: Regenerated.
72 2010-04-15  Andrew Haley  <aph@redhat.com>
74         * options.h (merge_exidx_entries): New option.
75         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
76         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
77         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
78         (Target_arm::merge_exidx_entries): New function.
79         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
80         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
81         to Arm_exidx_fixup constructor.
82         Add new arg, merge_exidx_entries.
83         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
84         Arm_output_section::fix_exidx_coverage.
86 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
88         * icf.cc (get_section_contents): Check for preemptible functions.
89         Ignore addend when appropriate.
90         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
91         section folded.
92         (add_from_relobj): Check for section folded.
93         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
94         * symtab.h (should_add_dynsym_entry): Add new parameter.
95         * target-reloc.h (scan_relocs): Check for section folded.
96         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
97         Check reloc types for function pointers in shared objects.
98         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
99         case.
100         (icf_preemptible_functions_test): New test case.
101         (icf_string_merge_test): New test case.
102         * testsuite.Makefile.in: Regenerate.
103         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
104         bar_glob.  Refactor code.
105         * testsuite/icf_preemptible_functions_test.cc: New file.
106         * testsuite/icf_preemptible_functions_test.sh: New file.
107         * testsuite/icf_string_merge_test.cc: New file.
108         * testsuite/icf_string_merge_test.sh: New file.
109         * testsuite/icf_virtual_function_folding_test.cc: New file.
110         * testsuite/icf_virtual_function_folding_test.sh: New file.
112 2010-04-14  Doug Kwan  <dougkwan@google.com>
114         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
115         for local symbol recounting if we remove a section due to ICF.
116         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
117         there are no regular objects in input.
119 2010-04-13  Doug Kwan  <dougkwan@google.com>
121         * arm.cc (Arm_input_section::set_final_data_size): Compute
122         accurate final data size instead of using current data size.
124 2010-04-09  Doug Kwan  <dougkwan@google.com>
126         * layout.cc (Layout::choose_output_section): Handle script section
127         types.
128         (Layout::make_output_section_for_script): Add section type parameter.
129         Handle script section types.
130         * layout.h (Layout::make_output_section_for_script): Add section
131         type parameter.
132         * output.cc (Output_section::Output_section): Initialize data member
133         is_noload_.
134         (Output_section::do_reset_address_and_file_offset): Do not set address
135         to 0 if section is a NOLOAD section.
136         * output.h (Output_section::is_noload): New method.
137         (Output_section::set_is_noload): Ditto.
138         (Output_section::is_noload_): New data member.
139         * script-c.h (Script_section_type): New enum type.
140         (struct Parser_output_section_header): Add new file section_type.
141         * script-sections.cc (Sections_element::output_section_name): Add
142         parameter for returning script section type.
143         (Output_section_definition::output_section_name): Ditto.
144         (Output_section_definition::section_type)P; New method.
145         (Output_section_definiton::script_section_type_name): Ditto.
146         (Output_section_definition::script_section_type_): New data member.
147         (Output_section_definition::Output_section_definition): Initialize
148         data member Output_section_definition::script_section_type_.
149         (Output_section_definition::create_sections): Pass script section type
150         to Layout::make_output_section_for_script.
151         (Output_section_definition::output_section_name): Return script
152         section type to caller.
153         (Output_section_definition::set_section_address): Do not advance
154         dot value and load address if section type is NOLOAD.  Set address
155         of NOLOAD sections regardless of section flags.
156         (Output_section_definition::print): Print section type if it is
157         not SCRIPT_SECTION_TYPE_NONE.
158         (Output_section_definition::section_type): New method.
159         (Output_section_definition::script_section_type_name): Ditto.
160         (Script_sections::output_section_name): Add new parameter
161         PSECTION_TYPE for returning script section type.  Pass it to
162         section elements.  Handle discard sections.
163         (Sort_output_sections::operator()): Handle NOLOAD sections.
164         * script-sections.h (Script_sections::Section_type): New enum type.
165         (Script_sections::output_section_name): Add a new parameter for
166         returning script section type.
167         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
168         INFO and NOLOAD.
169         * yyscript.y (union): Add new field SECTION_TYPE.
170         (COPY, DSECT, INFO, NOLOAD): New tokens.
171         (opt_address_and_section_type): Change type to output_section_header.
172         (section_type): New non-terminal
173         (section_header): Handle section type.
174         (opt_address_and_section_type): Return section type value.
176 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
178         * testsuite/plugin_common_test_1.c (foo): Add prototype.
179         * testsuite/plugin_common_test_2.c (foo): Likewise.
181 2010-04-08  Doug Kwan  <dougkwan@google.com>
183         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
184         Output_merge_data.
185         * output.cc (Output_section::add_merge_input_section): Simplify
186         code and return status of Output_merge_base::add_input_section.
187         Update merge section map only if Output_merge_base::add_input_section 
188         returns true.
190 2010-04-07  Doug Kwan  <dougkwan@google.com>
192         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
193         if section is marked as containing instructions but has no mapping
194         symbols.
195         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
196         correct section index.
197         (Arm_relobj::find_linked_text_section): Ditto.
199 2010-04-07  Cary Coutant  <ccoutant@google.com>
201         * archive.cc (include_member): Destroy Read_symbols_data object before
202         releasing file.
203         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
204         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
205         (Read_symbols_data::~Read_symbols_data) New destructor.
206         (Section_relocs::Section_relocs) New constructor.
207         (Section_relocs::~Section_relocs) New destructor.
208         (Read_relocs_data::Read_relocs_data) New constructor.
209         (Read_relocs_data::~Read_relocs_data) New destructor.
210         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
211         pointers to NULL after deleting.
213 2010-04-07  Doug Kwan  <dougkwan@google.com>
215         * arm.cc: Replace "endianity" with "endianness" in comments.
216         (Arm_exidx_cantunwind): Ditto.
217         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
218         (Arm_relobj::merge_flags_and_attributes): New method.
219         (Arm_relobj::merge_flags_and_attributes_): New data member.
220         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
221         (Arm_relobj::scan_sections_for_stubs): Ditto.
222         (Arm_relobj::do_read_symbols): Check to see if we really want to
223         merge processor-specific flags and attributes.  Exit early if
224         an object is empty except for section names and the undefined symbol.
225         (Target_arm::do_finalize_sections): Move check for ELF format to
226         Arm_relobj::do_read_symbols.  Merge processor specific flags and
227         attributes from a regular object only when we have determined that
228         it is aapropriate.  Do not create an .ARM.attributes section in
229         output if there is no regular input object.
230         (Target_arm::merge_processor_specific_flags): Check
231         --warn-mismatch before printing any error.
232         (Target_arm::merge_object_attributes): Ditto.
233         * gold.cc (queue_middle_tasks): Handle the case in which there is
234         no regular object in input.
235         * options.cc (General_options::parse_EB): New method.
236         (General_options::parse_EL): Same.
237         (General_options::General_options): Initialize endianness_.
238         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
239         New options.
240         (General_options::Endianness): New enum.
241         (General_options::endianness): New method.
242         (General_options::endianness_): New data member.
243         * parameters.cc (Parameters::set_options): Check target endianness.
244         (Parameters::set_target_once): Ditto.
245         (Parameters::check_target_endianness): New method.
246         (parameters_force_valid_target): If either -EL or -EB is specified,
247         use it to define endianness of default target.
248         * parameters.h (Parameters::check_target_endianness): New method
249         declaration.
250         * target.h (class Target): Change "endianity" to "endianness"
251         in comments.
253 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
255         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
256         * configure: Regenerate.
257         * Makefile.in: Regenerate.
258         * testsuite/Makefile.in: Regenerate.
260 2010-04-06  Cary Coutant  <ccoutant@google.com>
262         gcc PR lto/42757
263         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
264         prevailing definitions of common symbols.
265         * testsuite/plugin_test_6.sh: New test case.
266         * testsuite/plugin_common_test_1.c: New test case.
267         * testsuite/plugin_common_test_2.c: New test case.
268         * testsuite/Makefile.am (plugin_test_6): New test case.
269         * testsuite/Makefile.in: Regenerate.
271 2010-04-06  Nick Clifton  <nickc@redhat.com>
273         * po/vi.po: New Vietnamese translation.
275 2010-03-30  Doug Kwan  <dougkwan@google.com>
277         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
279 2010-03-25  Doug Kwan  <dougkwan@google.com>
281         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
282         to avoid a conversion warning on a 32-bit host.
284 2010-03-24  Ian Lance Taylor  <iant@google.com>
286         * testsuite/script_test_3.t: Add a TLS segment.
287         * testsuite/Makefile.am (check_PROGRAMS): Add
288         tls_phdrs_script_test.
289         (tls_phdrs_script_test_SOURCES): Define.
290         (tls_phdrs_script_test_DEPENDENCIES): Define.
291         (tls_phdrs_script_test_LDFLAGS): Define.
292         (tls_phdrs_script_test_LDADD): Define.
293         * testsuite/Makefile.in: Rebuild.
295 2010-03-23  Cary Coutant  <ccoutant@google.com>
297         * fileread.cc (find_or_make_view): Fix comment.
299 2010-03-23  Ian Lance Taylor  <iant@google.com>
301         * script-sections.cc (class Orphan_section_placement): Define
302         PLACE_TLS and PLACE_TLS_BSS.
303         (Orphan_section_placement::Orphan_section_placement): Initialize
304         new places.
305         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
306         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
307         (tls_script_test_SOURCES): Define.
308         (tls_script_test_DEPENDENCIES): Define.
309         (tls_script_test_LDFLAGS): Define.
310         (tls_script_test_LDADD): Define.
311         * testsuite/Makefile.in: Rebuild.
313 2010-03-22  Doug Kwan  <dougkwan@google.com>
315         * arm.cc (Arm_relocate_functions::abs8,
316         Arm_relocate_functions::abs16): Use correct check for overflow
317         specified in the ARM ELF specs.
318         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
319         target of a BLX instruction specially.
320         (Reloc_stub::stub_type_for_reloc): Ditto.
321         (Relocate::relocate): Use symbolic names instead of numeric relocation
322         codes to report error.
323         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
324         workaround.
325         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
326         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
327         thumb2_blx_out_of_range.stdout
328         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
329         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
330         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
331         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
332         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
333         thumb2_blx_in_range, thumb2_blx_in_range.o,
334         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
335         thumb2_blx_out_of_range.o): New rules.
336         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
337         thumb2_blx_in_range and thumb2_blx_out_of_range.
338         * testsuite/Makefile.in: Regenerate.
339         * arm_branch_in_range.sh: Add tests for THUMB BLX.
340         * testsuite/thumb_blx_in_range.s: New file.
341         * testsuite/thumb_blx_out_of_range.s: New file.
343 2010-03-22  Rafael Espindola  <espindola@google.com>
345         * archive.cc (Should_include): Move to archive.h.
346         (should_include_member): Make it a member of Archive.
347         (Lib_group): New.
348         (Add_lib_group_symbols): New.
349         * archive.h: Include options.h.
350         (Archive_member): Moved from Archive.
351         (Should_include): Moved from archive.cc.
352         (Lib_group): New.
353         (Add_lib_group_symbols): New.
354         * dynobj.cc (do_should_include_member): New.
355         * dynobj.h (do_should_include_member): New.
356         * gold.cc (queue_initial_tasks): Update call to queue.
357         * main.cc (main): Print lib group stats.
358         * object.cc (do_should_include_member): New.
359         * object.h: Include archive.h.
360         (Object::should_include_member): New.
361         (Object::do_should_include_member): New.
362         (Sized_relobj::do_should_include_member): New.
363         * options.cc (General_options::parse_start_lib): New.
364         (General_options::parse_end_lib): New.
365         (Input_arguments::add_file): Handle lib groups.
366         (Input_arguments::start_group): Check we are not in a lib.
367         (Input_arguments::start_lib): New.
368         (Input_arguments::end_lib): New.
369         * options.h (General_options): Add start_lib and end_lib.
370         (Input_argument::lib_): New.
371         (Input_argument::lib): New.
372         (Input_argument::is_lib): New.
373         (Input_file_lib): New.
374         (Input_arguments::in_lib_): New.
375         (Input_arguments::in_lib): New.
376         (Input_arguments::start_lib): New.
377         (Input_arguments::end_lib_): New.
378         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
379         in unused members as preempted.
380         (Sized_pluginobj::do_should_include_member): New.
381         * plugin.h (Sized_pluginobj::do_should_include_member): New.
382         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
383         return the blocker.
384         (Read_symbols::do_whole_lib_group): New.
385         (Read_symbols::do_lib_group): New.
386         (Read_symbols::do_read_symbols): Handle lib groups.
387         (Read_symbols::get_name): Handle lib groups.
388         * readsyms.h (Read_symbols): Add an archive member pointer.
389         (Read_symbols::do_whole_lib_group): New.
390         (Read_symbols::do_lib_group): New.
391         (Read_symbols::member_): New.
392         * script.cc (read_input_script): Update call to queue_soon.
394 2010-03-19  Doug Kwan  <dougkwan@google.com>
396         * arm.cc (Stub_table::Stub_table): Initialize new data members
397         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
398         (Stub_table::add_reloc_stub): Assign stub offset and update
399         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
400         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
401         New data members.
402         (Stub_table::update_data_size_and_addralign): Use
403         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
404         instead of going over all reloc stubs.
405         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
406         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
407         Stringpool_template::offset_ to size of Stringpool_char.
408         (Stringpool_template::new_key_offset): Remove code to initialize
409         Stringpool_template::offset_.
410         * stringpool.h (Stringpool_template::set_no_zero_null): Set
411         Stringpool_template::offset_ to zero.
413 2010-03-15  Doug Kwan  <dougkwan@google.com>
415         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
416         offset_.
417         (Stringpool_template::new_key_offset): New method.
418         (Stringpool_template::add_string): Assign offsets when adding new
419         strings.
420         (Stringpool_template::set_string_offsets): Do not set string offsets
421         when not optimizing.
422         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
423         member size_.
424         (Chunked_vector::clear): Clear size_.
425         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
426         (Chunked_vector::size): Return size_.
427         (Chunked_vector::push_back): Use size_ to find insert position.
428         (Chunked_vector::size_): New data member. 
429         (Stringpool_template::set_no_zero_null): Assert string set is empty.
430         (Stringpool_template::new_key_offset): New method declaration.
431         (Stringpool_template::offset_): New data member.
433 2010-03-15   Rafael Espindola  <espindola@google.com>
435         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
436         Add_symbols' constructor.
437         * readsyms.h (Add_symbols): Remove the input_group member.
439 2010-03-10  Ian Lance Taylor  <iant@google.com>
441         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
442         target to ask whether a reference to a symbol requires a stack
443         split.
444         * target.h (Target::is_call_to_non_split): New function.
445         (Target::do_is_call_to_non_split): Declare virtual function.
446         * target.cc: Include "symtab.h".
447         (Target::do_is_call_to_non_split): New function.
448         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
450 2010-03-10  Cary Coutant  <ccoutant@google.com>
452         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
453         (File_read::open[1]): Remove initial mapping of whole_file_view_.
454         (File_read::open[2]): Add whole_file_view_ to list of views.
455         (File_read::make_view): Remove test of whole_file_view_.
456         (File_read::find_or_make_view): Create whole_file_view_ if
457         necessary.
458         (File_read::clear_views): Replace bool parameter with enum;
459         adjust all callers.  Don't delete views with permanent data;
460         do delete cached views and views from archives if
461         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
462         if clearing the corresponding view.
463         * fileread.h (File_read::Clear_views_mode): New enum.
464         (File_read::View::is_permanent_view): New method.
465         (File_read::clear_views): Replace bool parameter
466         with enum; adjust all callers.
467         * options.h (General_options): Change keep_files_mapped option;
468         add map_whole_files.
469         * readsyms.cc (Add_symbols::run): Delete sd_ object before
470         releasing the file.
471         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
472         the file.
474 2010-03-10  David S. Miller  <davem@davemloft.net>
476         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
478 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
480         * icf.cc (get_section_contents): Add '@' marker after processing the
481         merge reloc.
483 2010-03-08  Doug Kwan  <dougkwan@google.com>
485         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
486         due to a conversion warning.
487         (Arm_relobj::update_output_local_symbol_count): Check for local
488         symbol with unset output index.
490 2010-03-05  Ian Lance Taylor  <iant@google.com>
492         * options.h (class General_options): Add --spare-dynamic-tags.
493         * output.cc (Output_data_dynamic::set_final_data_size): Implement
494         --spare-dynamic-tags.
496 2010-03-05  Ian Lance Taylor  <iant@google.com>
498         * incremental.cc: Include "libiberty.h".
500 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
502         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
503         function, is_info_ member.
504         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
505         (Versions::Versions): Update caller.
506         (Versions::define_base_version): Likewise.
507         (Versions::add_def): Likewise.
509 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
511         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
512         (Scan::possible_function_pointer_reloc): New function.
513         (Scan::local_reloc_may_be_function_pointer): Change to call
514         possible_function_pointer_reloc.
515         (Scan::global_reloc_may_be_function_pointer): Ditto.
516         * icf.h (Icf::check_section_for_function_pointers): Change to reject
517         relocations in ".data.rel.ro._ZTV" section.
518         * testsuite/icf_safe_so_test.sh: Change to pass i386.
519         * testsuite/icf_safe_so_test.cc: Ditto.
520         * testsuite/icf_safe_test.cc: Ditto.
521         * testsuite/icf_safe_test.sh: Ditto.
523 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
524             Ian Lance Taylor  <iant@google.com>
526         * target-reloc.h (relocate_section): Check the symbol table index
527         for -1U before setting the local symbol index.
528         (scan_relocatable_relocs): If copying the relocation, record that
529         the local symbol is required.
530         * object.h (Symbol_value::is_output_symtab_index_set): New
531         function.
532         (Symbol_value::may_be_discarded_from_output_symtab): New
533         function.
534         (Symbol_value::has_output_symtab_entry): New function.
535         (Symbol_value::needs_output_symtab_entry): Remove.
536         (Symbol_value::output_symtab_index): Make sure the symbol index is
537         set.
538         (Symbol_value::set_output_symtab_index): Make sure the symbol
539         index is not set.  Make sure the new index is valid.
540         (Symbol_value::set_must_have_output_symtab_entry): New function.
541         (Symbol_value::has_output_dynsym_entry): New function.
542         (Symbol_value::set_output_dynsym_index): Make sure the new index
543         is valid.
544         (Sized_relobj::set_must_have_output_symtab_entry): New function.
545         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
546         local symbol if permitted.
547         (Sized_relobj::do_finalize_local_symbols): Call
548         is_output_symtab_index_set rather than needs_output_symtab_entry.
549         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
550         rather than needs_output_symtab_entry.  Call
551         has_output_dynsym_entry rather than needs_output_dynsym_entry.
552         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
553         is_output_symtab_index_set rather than needs_output_symtab_entry.
554         * testsuite/discard_locals_relocatable_test.c: New file.
555         * testsuite/discard_locals_test.sh: Test -r.
556         * testsuite/Makefile.am (check_DATA): Add
557         discard_locals_relocatable_test1.syms,
558         discard_local_relocatable_test2.syms.
559         (MOSTLYCLEANFILES): Likewise.  Also add
560         discard_locals_relocatable_test1.lout and
561         discard_locals_relocatable_test2.out.
562         (discard_locals_relocatable_test1.syms): New target.
563         (discard_locals_relocatable_test.o): New target.
564         (discard_locals_relocatable_test1.out): New target.
565         (discard_locals_relocatable_test2.syms): New target.
566         (discard_locals_relocatable_test2.out): New target.
567         (various): Add missing ../ld-new dependencies.
568         * testsuite/Makefile.in: Rebuild.
570 2010-03-03  Nick Clifton  <nickc@redhat.com>
572         * po/fi.po: New Finnish translation.
574 2010-03-01  Doug Kwan  <dougkwan@google.com>
576         * layout.cc (Layout::Layout): Force section types of .init_array*,
577         .preinit_array* and .fini_array* sections.
578         * output.cc (Output_section::Input_section_sort_entry::has_priority):
579         Fix check of return value of std::string::find.().
580         (Output_section::Input_section_sort_compare::operator()): Remove
581         comment about .init_array.
582         (Output_section::Input_section_sort_init_fini_compare::operator()):
583         New method.
584         (Output_section::sort_attached_input_sections): Handle .init_array
585         and .fini_array specially.
586         * output.h (Output_section::Inut_section_sort_compare): Update
587         comment.
588         (Output_section::Input_section_sort_init_fini_compare): New struct.
590 2010-02-26  Doug Kwan  <dougkwan@google.com>
592         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
593         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
594         * testsuite/debug_msg.sh: Avoid matching source line number for
595         use of global variable undef_int.
597 2010-02-26  Doug Kwan  <dougkwan@google.com>
599         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
600         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
601         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
602         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
603         * options.cc (General_options::General_options): Initialize member
604         fix_v4bx_.
605         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
606         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
607         and rm_no_fix_v4bx.stdout
608         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
609         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
610         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
611         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
612         and arm_no_fix_v4bx.
613         * Makefile.in: Regenerate.
614         * testsuite/arm_fix_v4bx.s: New file.
615         * testsuite/arm_fix_v4bx.sh: Ditto.
617 2010-02-24  Doug Kwan  <dougkwan@google.com>
619         * arm.cc (Target_arm::got_section): Make the .got section the first
620         non RELRO section in the data segment.
621         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
622         suffixes of section names.
624 2010-02-24  Doug Kwan  <dougkwan@google.com>
626         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
627         flags and attributes merging if an input file is a binary file.
628         * fileread.cc (Input_file::open): Record format of original file.
629         * fileread.h (Input_file::Format): New enum type.
630         (Input_file::Input_file): Initialize data member format_.
631         (Input_file::format): New method definition.
632         (Input_file::format_):: New data member.
634 2010-02-24  Doug Kwan  <dougkwan@google.com>
636         * arm.cc (Arm_output_data_got): New class.
637         (ARM_TCB_SIZE): New constant
638         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
639         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
640         If user uses a script with a SECTIONS clause, issue only a warning
641         for a misplaced EXIDX input section.  Otherwise, issue an error.
642         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
643         garbage collection.
644         (Target_arm::got_mode_index_entry): Handle static linking.
645         (Target_arm::Scan::local): Ditto.
646         (Target_arm::Scan::global): Ditto.
647         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
648         all incorrectly implemented relocations.
649         (Target_arm::fix_exidx_coverage): Pass layout to 
650         Arm_output_section::fix_exidx_coverage.
651         * layout.cc (Layout::section_name_mapping): Remove trailing dots
652         from ".ARM.exidx." and ".ARM.extab.".
654 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
656         * arm.cc (Target_arm::do_finalize_sections): Create attribute
657         section if it does not already exist.
658         * attributes.cc (Attributes_section_data::Attributes_section_data):
659         Don't crash if size is zero.
661 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
662             Ian Lance Taylor  <iant@google.com>
664         * gold.cc (queue_middle_tasks): If no input files were opened,
665         exit.
666         * workqueue.h (Task_function::Task_function): Assert that there is
667         a blocker.
669 2010-02-22  Doug Kwan  <dougkwan@google.com>
671         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
672         * icf.cc (get_section_contents): Cast snprintf arguments to long long
673         types to avoid warnings due to different uint64_t implementations
674         on different hosts.
676 2010-02-21  Doug Kwan  <dougkwan@google.com>
678         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
679         handling of the maximum backward branch offset.
680         (Arm_relocate_functions::thumb_branch_common): Ditto.
681         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
682         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
683         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
684         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
685         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
686         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
687         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
688         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
689         thumb_bl_out_of_range thumb_bl_out_of_range.o,
690         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
691         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
692         thumb2_bl_out_of_range.o): New rules.
693         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
694         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
695         thumb2_bl_out_of_range
696         * testsuite/Makefile.in: Regenerate.
697         * testsuite/arm_bl_in_range.s: New file.
698         * testsuite/arm_bl_out_of_range.s: Ditto.
699         * testsuite/arm_branch_in_range.sh: Ditto.
700         * testsuite/arm_branch_range.t: Ditto.
701         * testsuite/thumb2_branch_range.t: Ditto.
702         * testsuite/thumb_bl_in_range.s: Ditto.
703         * testsuite/thumb_bl_out_of_range.s: Ditto.
704         * testsuite/thumb_branch_range.t: Ditto.
706 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
708         * gc.h (gc_process_relocs): Change vectors to point to the new list.
709         Add reloc offset information.
710         * icf.cc (get_section_contents): Change iterators to point to the new
711         vectors. Add reloc offset information to the contents.
712         * icf.h (Icf::Sections_reachable_info): New typedef.
713         (Icf::Sections_reachable_list): New typedef.
714         (Icf::Offset_info): New typedef.
715         (Icf::Reloc_info): New struct typedef.
716         (Icf::Reloc_info_list): New typedef.
717         (Icf::symbol_reloc_list): Delete method.
718         (Icf::addend_reloc_list): Delete method.
719         (Icf::section_reloc_list): Delete method.
720         (Icf::reloc_info_list): New method.
721         (Icf::reloc_info_list_): New member.
723 2010-02-19  Doug Kwan  <dougkwan@google.com>
725         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
726         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
727         * arm.cc (Arm_relocation_functions): New forward declaration.
728         (Target_arm::Target_arm): Initialize new data members
729         got_mod_index_offset_ and tls_base_symbol_defined_.
730         (Target_arm::Relocate::relocate_tls): New method.
731         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
732          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
733         New methods.
734         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
735         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
736         (Target_arm::got_mod_index_offset_,
737         Target_arm::tls_base_symbol_defined_): New data members.
738         (Target_arm::Scan::local, Target::Scan::global,
739         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
740         relocations.
742 2010-02-18  Doug Kwan  <dougkwan@google.com>
744         * arm.cc (Arm_relobj::find_linked_text_section): New method.
745         (Arm_relobj::make_exidx_input_section): Pass section index of linked
746         text section as a parameter becuase some broken tools may not set
747         the link in section header.
748         (Target_arm::has_got_section): New method.
749         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
750         without any mapping symbol as data only.  Remove warning.
751         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
752         link in its section header, try to discover the link by inspecting the
753         REL31 relocation at the beginning of the section.
754         (Target_arm::Scan::check_non_pic): Report name of offending relocation
755         in error message.
756         (Target_arm::Scan::global): Treat any reference to the symbol
757         _GLOBAL_OFFSET_TABLE_ as a GOT access.
759 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
761         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
762         (Scan::global_reloc_may_be_function_pointer): New function.
763         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
764         (Scan::global_reloc_may_be_function_pointer): New function.
765         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
766         (Scan::global_reloc_may_be_function_pointer): New function.
767         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
768         (Scan::global_reloc_may_be_function_pointer): New function.
769         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
770         (Scan::global_reloc_may_be_function_pointer): New function.
771         (Scan::possible_function_pointer_reloc): New function.
772         (Target_x86_64::can_check_for_function_pointers): New function.
773         * gc.h (gc_process_relocs): Scan relocation types to determine if
774         function pointers were taken for targets that support it.
775         * icf.cc (Icf::find_identical_sections): Include functions for
776         folding in safe ICF whose pointer is not taken.
777         * icf.h (Secn_fptr_taken_set): New typedef.
778         (fptr_section_id_): New member.
779         (section_has_function_pointers): New function.
780         (set_section_has_function_pointers): New function.
781         (check_section_for_function_pointers): New function.
782         * options.h: Fix comment for safe ICF option.
783         * target.h (can_check_for_function_pointers): New function.
784         * testsuite/Makefile.am: Add icf_safe_so_test test case.
785         Modify icf_safe_test for X86-64.
786         * testsuite/Makefile.in: Regenerate.
787         * testsuite/icf_safe_so_test.cc: New file.
788         * testsuite/icf_safe_so_test.sh: New file.
789         * testsuite/icf_safe_test.cc (kept_func_3): New function.
790         (main): Change to take pointer to function kept_func_3.
791         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
792         folding is done correctly for X86-64.
794 2010-02-12  David S. Miller  <davem@davemloft.net>
796         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
797         is_symbolless parameter.
798         (Output_reloc<SHT_REL>::is_symbolless): New.
799         (Output_reloc<SHT_REL>::is_symbolless_): New.
800         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
801         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
802         (Output_reloc<SHT_RELA>::is_symbolless): New.
803         (Output_data_reloc::add_global): Handle is_symbolless.
804         (Output_data_reloc::add_global_relative): Likewise.
805         (Output_data_reloc::add_local): Likewise.
806         (Output_data_reloc::add_local_relative): Likewise.
807         (Output_data_reloc::add_symbolless_global_addend): New.
808         (Output_data_reloc::add_symbolless_local_addend): New.
809         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
810         is_symbolless.
811         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
812         instead of ->is_relative_
813         (Output_reloc::write): Likewise.
814         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
815         (Output_reloc::write_rel): Simplify.
817         * sparc.cc (Target_sparc::Scan::local): Use
818         ->add_symbolless_local_addend as needed.
819         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
820         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
821         based upon relocation offset.
823 2010-02-11  Doug Kwan  <dougkwan@google.com>
825         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
826         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
827         beginning of function.
828         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
829         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
830         parameter is_32bit in calls to should_apply_static_reloc.
831         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
832         (check_DATA): Add arm_abs_global.stdout.
833         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
834         arm_abs_global.stdout): New rules.
835         (MOSTLLYCLEANFILES): Add arm_abs_global
836         * Makefile.in: Regenerate.
837         * testsuite/arm_abs_global.s: New file.
838         * testsuite/arm_abs_global.sh: Ditto.
839         * testsuite/arm_abs_lib.s: Ditto.
841 2010-02-11  Ian Lance Taylor  <iant@google.com>
843         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
844         Read_relocs task.
845         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
846         Allocate_commons_task first.
847         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
848         task, rather than symtab_lock_.
849         (Gc_process_relocs::~Gc_process_relocs): New function.
850         (Gc_process_relocs::is_runnable): Check this_blocker_.
851         (Gc_process_relocs::locks): Use next_blocker_ rather than
852         blocker_.
853         (Scan_relocs::~Scan_relocs): New function.
854         (Scan_relocs::is_runnable): Check this_blocker_ rather than
855         symtab_lock_.
856         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
857         next_blocker_.
858         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
859         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
860         constructor accordingly.
861         (class Gc_process_relocs): Likewise.
862         (class Scan_relocs): Likewise.
863         * common.h (class Allocate_commons_task): Remove symtab_lock_
864         field, and corresponding constructor parameter.
865         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
866         symtab_lock_.
867         (Allocate_commons_task::locks): Likewise.
869 2010-02-11  Ian Lance Taylor  <iant@google.com>
871         * gold-threads.h (class Once): Define.
872         (class Initialize_lock): Rewrite as child of Once.
873         * gold-threads.cc (class Once_initialize): Define.
874         (once_pointer_control): New static variable.
875         (once_pointer, once_arg): New static variables.
876         (c_run_once): New static function.
877         (Once::Once, Once::run_once, Once::internal_run): New functions.
878         (class Initialize_lock_once): Remove.
879         (initialize_lock_control): Remove.
880         (initialize_lock_pointer): Remove.
881         (initialize_lock_once): Remove.
882         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
883         (Initialize_lock::initialize): Rewrite.
884         (Initialize_lock::do_run_once): New function.
885         * archive.cc (Archive::interpret_header): Only clear name if it is
886         not already empty.
887         * fileread.cc: Include "gold-threads.h"
888         (file_counts_lock): New static variable.
889         (file_counts_initialize_lock): Likewise.
890         (File_read::release): Only increment counts when using --stats.
891         Use a lock around the increment.
892         * parameters.cc (class Set_parameters_target_once): Define.
893         (set_parameters_target_once): New static variable.
894         (Parameters::Parameters): Move here from parameters.h.
895         (Parameters::set_target): Rewrite.
896         (Parameters::set_target_once): New function.
897         (Parameters::clear_target): Move here and rewrite.
898         * parameters.h (class Parameters): Update declarations.  Add
899         set_parameters_target_once_ field.
900         (Parameters::Parameters): Move to parameters.cc.
901         (Parameters::clear_target): Likewise.
902         * readsyms.cc (Read_symbols::do_group): Create a Start_group
903         task.
904         (Start_group::~Start_group): New function.
905         (Start_group::is_runnable): New function.
906         (Start_group::locks, Start_group::run): New functions.
907         (Finish_group::run): Change saw_undefined to size_t.
908         * readsyms.h (class Start_group): Define.
909         (class Finish_group): Change saw_undefined_ field to size_t.
910         (Finish_group::Finish_group): Remove saw_undefined and
911         this_blocker parameters.  Change all callers.
912         (Finish_group::set_saw_undefined): New function.
913         (Finish_group::set_blocker): New function.
914         * symtab.h (class Symbol_table): Change saw_undefined to return
915         size_t.  Change saw_undefined_ field to size_t.
916         * target-select.cc (Set_target_once::do_run_once): New function.
917         (Target_selector::Target_selector): Initialize set_target_once_
918         field.  Don't initialize lock_ and initialize_lock_ fields.
919         (Target_selector::instantiate_target): Rewrite.
920         (Target_selector::set_target): New function.
921         * target-select.h (class Set_target_once): Define.
922         (class Target_selector): Update declarations.  Make
923         Set_target_once a friend.  Remove lock_ and initialize_lock_
924         fields.  Add set_target_once_ field.
926 2010-02-10  Ian Lance Taylor  <iant@google.com>
928         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
929         queueing any tasks.
930         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
931         (queue_middle_tasks): Add all blockers before queueing any tasks.
932         (queue_final_tasks): Likewise.
933         * token.h (Task_token::add_blockers): New function.
934         * object.h (Input_objects::number_of_relobjs): New function.
936 2010-02-10  Ian Lance Taylor  <iant@google.com>
938         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
939         shared, not if not position independent.
940         * x86_64.cc (Relocate::relocate_tls): Likewise.
941         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
942         (tls_pie_pic_test): New target.
943         * testsuite/Makefile.in: Rebuild.
945         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
946         (tls_test_main_pie.o, tls_test_pie.o): New targets.
947         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
948         * testsuite/Makefile.in: Rebuild.
950 2010-02-09  David S. Miller  <davem@davemloft.net>
952         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
953         R_SPARC_RELATIVE using ->add_local_relative().
954         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
956         * output.h (Output_data_dynamic::add_section_size): New method
957         that takes two Output_data objects.
958         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
959         entry param.  Handle it in initializers.
960         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
961         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
962         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
963         arg.
964         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
965         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
966         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
967         for dynrel_includes_plt.
968         * i386.cc (Target_i386::do_finalize_sections): Likewise.
969         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
970         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
971         before .rela.plt
972         (Target_sparc::do_finalize_sections): Update to pass true for
973         dynrel_includes_plt.
974         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
975         output before .rela.plt
976         (Target_powerpc::do_finalize_sections): Update to pass true for
977         dynrel_includes_plt when 32-bit.
979 2010-02-08  Doug Kwan  <dougkwan@google.com>
981         * arm.cc (Arm_relobj::simple_input_section_output_address): New
982         method.
983         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
984         Arm_relobj::scan_section_for_cortex_a8_stubs,
985         Arm_relobj::do_relocation_section): Instead of calling
986         Output_section::output_address, use faster
987         Arm_relobj::simple_input_section_output_address.
989 2010-02-08  David S. Miller  <davem@davemloft.net>
991         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
992         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
993         relocation helper function.
995         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
996         just like R_SPARC_GOT{10,13,22}.
997         (Target_sparc::Scan::local): Likewise.
998         (Target_sparc::Relocate:relocate): Likewise.
1000 2010-02-06  Ian Lance Taylor  <iant@google.com>
1002         * configure.ac: Rewrite targetobjs duplicate removal code to use
1003         only shell constructs.
1004         * configure: Rebuild.
1006 2010-02-05  Doug Kwan  <dougkwan@google.com>
1008         PR 11247
1009         * arm.cc (Arm_relobj::section_is_scannable): New method.
1010         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1011         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1013 2010-02-04  Doug Kwan  <dougkwan@google.com>
1015         PR 11247
1016         * arm-reloc-property.cc (cstdio): Include.
1017         * configure.ac (targetobjs): Remove duplicates.
1018         * configure: Regenerate.
1019         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1020         big and little endian version for a given address size.
1022 2010-02-03  Doug Kwan  <dougkwan@google.com>
1024         * arm-reloc-property.cc
1025         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1026         definition.
1027         * arm-reloc-property.h
1028         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1029         New method definition.
1030         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1031         declaration.
1032         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1033         overflow to N.
1034         (GOT_PREL): Change implemented to Y.
1035         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1036         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1037         (Arm_relocate_functions::movw_abs_nc): Remove method.
1038         (Arm_relocate_functions::movt_abs): Ditto.
1039         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1040         (Arm_relocate_functions::thm_movt_abs): Ditto.
1041         (Arm_relocate_functions::movw_rel_nc): Ditto.
1042         (Arm_relocate_functions::movw_rel): Ditto.
1043         (Arm_relocate_functions::movt_rel): Ditto.
1044         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1045         (Arm_relocate_functions:thm_movw_rel): Ditto.
1046         (Arm_relocate_functions:thm_movt_rel): Ditto.
1047         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1048         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1049         New method definitions.
1050         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1051         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1052         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1053         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1054         (Target_arm::Relocate::relocate): Check for non-static or
1055         unimplemented relocation code and exit early.  Change calls to
1056         Target_arm::reloc_uses_thumb_bit and
1057         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1058         instead.  Refactor code to handle similar relocations to increase
1059         code sharing.  Remove check for unsupported relocation code in switch
1060         statement.
1061         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1062         relocation property table to find out size.  Change error message to
1063         print out the name of a relocation code instead of the numeric value.
1064         (Target_arm::scan_reloc_for_stub): Use relocation property table
1065         instead of calling Target_arm::reloc_uses_thumb_bit().
1067 2010-02-02  Doug Kwan  <dougkwan@google.com>
1069         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1070         types of relaxed input section.
1072 2010-02-02  Doug Kwan  <dougkwan@google.com>
1074         * Makefile.am (HFILES): Add arm-reloc-property.h.
1075         (DEFFILES): New.
1076         (TARGETSOURCES): Add arm-reloc-property.cc
1077         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1078         (libgold_a_SOURCES): $(DEFFILES)
1079         * Makefile.in: Regenerate.
1080         * arm-reloc-property.cc: New file.
1081         * arm-reloc-property.h: New file.
1082         * arm-reloc.def: New file.
1083         * arm.cc: Update comments.
1084         (arm-reloc-property.h): New included header.
1085         (arm_reloc_property_table): New global variable.
1086         (Target_arm::do_select_as_default_target): New method definition.
1087         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1088         arm-reloc-property to targ_extra_obj.
1089         * parameters.cc (set_parameters_target): Call
1090         Target::select_as_default_target().
1091         * target.h (Target::select_as_default_target): New method definition.
1092         (Target::do_select_as_default_target): Same.
1094 2010-02-01  Doug Kwan  <dougkwan@google.com>
1096         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1097         first_output_text_section_.
1098         (Arm_exidx_fixup::first_output_text_section): New method definition.
1099         (Arm_exidx_fixup::first_output_text_section_): New data member.
1100         (Arm_exidx_fixup::process_exidx_section): Record the first text
1101         output section seen.
1102         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1103         and entsize in output section header.
1105 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1107         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1108         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1109         (Arm_relocate_functions::thm_alu11): New Method.
1110         (Arm_relocate_functions::thm_pc8): New Method.
1111         (Arm_relocate_functions::thm_pc12): New Method.
1112         (Target_arm::Scan::local): Handle the relocations.
1113         (Target_arm::Scan::global): Likewise.
1114         (Target_arm::Relocate::relocate): Likewise.
1115         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1117 2010-01-29  Doug Kwan  <dougkwan@google.com>
1119         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1120         of relocation types as ld.
1122 2010-01-29  Doug Kwan  <dougkwan@google.com>
1124         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1125         to public.
1126         (Arm_relocate_functions::thumb_branch_common): Ditto.
1127         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1128         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1129         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1130         Arm_relocate_functions::jump24): Remove.
1131         (Target_arm::Relocate::relocate): Adjust code to call
1132         Arm_relocation_functions::arm_branch_common and
1133         Arm_relocation_functions::thumb_branch_common instead of their removed
1134         wrappers.  Merge switch-cases together to reduce source code size.  
1136 2010-01-29  Doug Kwan  <dougkwan@google.com>
1138         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1139         output_local_symbol_count_needs_update_.
1140         (Arm_relobj::output_local_symbol_count_needs_update,
1141          Arm_relobj::set_output_local_symbol_count_needs_update,
1142          Arm_relobj::update_output_local_symbol_count): New methods.
1143         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1144         member.
1145         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1146         of pointed function as in a R_ARM_PREL31 relocation.
1147         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1148         for output local symbol count updating.
1149         (Target_arm::do_relax): Update output local symbol counts in objects
1150         if necessary.
1151         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1153 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1155         * arm.cc: Added support for the ARM relocations:
1156         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1157         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1158         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1159         movw_prel_nc).
1160         (Arm_relocate_functions::movw_rel): New method.
1161         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1162         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1163         thm_movw_prel_nc).
1164         (Arm_relocate_functions::thm_movw_rel): New method.
1165         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1166         thm_movt_prel).
1167         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1168         relocations.
1169         (Target_arm::Scan::global): Likewise.
1170         (Target_arm::Relocate::relocate): Likewise.
1171         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1172         Likewise.
1174 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1176         * arm.cc: Added support for ARM group relocations.
1177         (Target_arm::reloc_needs_sym_origin): New method.
1178         (Arm_relocate_functions::calc_grp_kn): New method.
1179         (Arm_relocate_functions::calc_grp_residual): New method.
1180         (Arm_relocate_functions::calc_grp_gn): New method.
1181         (Arm_relocate_functions::arm_grp_alu): New Method.
1182         (Arm_relocate_functions::arm_grp_ldr): New Method.
1183         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1184         (Arm_relocate_functions::arm_grp_ldc): New Method.
1185         (Target_arm::Scan::local): Handle the ARM group relocations.
1186         (Target_arm::Scan::global): Likewise.
1187         (Target_arm::Relocate::relocate): Likewise.
1188         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1189         Likewise.
1191 2010-01-26  Doug Kwan  <dougkwan@google.com>
1193         * arm.cc (set): Include.
1194         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1195         pointer type.
1196         (Arm_output_section::Text_section_list): New type.
1197         (Arm_output_section::append_text_sections_to_list): New method.
1198         (Arm_output_section::fix_exidx_coverage): Ditto.
1199         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1200         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1201         Relobj::set_section_offset() instead of
1202         Sized_relobj::invalidate_section_offset().
1203         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1204         parameter for section headers. Ignore relocation sections for
1205         unallocated sections and EXIDX sections.
1206         (Target_arm::fix_exidx_coverage): New method.
1207         (Target_arm::output_section_address_less_than): New type.
1208         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1209         linked text section instead of the EXIDX section.
1210         (Arm_output_section::create_stub_group): Add an assertion to check
1211         that this is not an EXIDX output section.
1212         (Arm_output_section::append_text_sections_to_list): New method.
1213         (Arm_output_section::fix_exidx_coverage): Ditto.
1214         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1215         Arm_relobj::section_needs_reloc_stub_scanning.
1216         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1217         first pass.
1218         (Target_arm::fix_exidx_coverage): New method.
1219         * object.h (Relobj::set_output_section): New method.
1220         (Sized_relobj::invalidate_section_offset): Remove method.
1221         (Sized_relobj::do_invalidate_section_offset): Remove method.
1222         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1224 2010-01-25  Doug Kwan  <dougkwan@google.com>
1226         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1227         Fix warning due to signed and unsigned comparison on a 32-bit host.
1229 2010-01-22  Doug Kwan  <dougkwan@google.com>
1231         * arm.cc (Target_arm::do_relax): Record an output section for section
1232         offset adjustment it contains any stub table that has changed.
1233         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1234         offsets in an output section if necessary.
1235         * output.cc (Output_section::Output_section): Initialize
1236         section_offsets_need_adjustments_.
1237         (Output_section::add_input_section_for_script): Renamed to
1238         Output_section::add_simple_input_section.
1239         (Output_section::save_states): Add a comment.
1240         (Output_section::discard_states): New method defintion.
1241         (Output_section::adjust_section_offsets): Same.
1242         * output.h (Output_section::add_input_section_for_script): Renamed to
1243         Output_section::add_simple_input_section.
1244         (Output_section::discard_states): New method declaration.
1245         (Output_section::adjust_section_offsets): Same.
1246         (Output_section::section_offsets_need_adjustment,
1247         Output_section::set_section_offsets_need_adjustment): New method
1248         definitions.
1249         (Output_section::section_offsets_need_adjustment_): New data member.
1250         * script-sections.cc
1251         (Output_section_element_input::set_section_address): Adjust code for
1252         renaming of Output_section::add_input_section_for_script.
1253         (Orphan_output_section::set_section_address): Same.
1255 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1257         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1258         Fix_v4bx enum values .
1259         * gold/options.h (General_options): New option definitions.
1260         (General_options::fix_v4bx): New method.
1261         (General_options::Fix_v4bx): New enum.
1262         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1263         (General_options::parse_fix_v4bx_interworking): New method.
1265 2010-01-22  Doug Kwan  <dougkwan@google.com>
1267         * arm.cc (Arm_exidx_fixup): New class.
1269 2010-01-21  Doug Kwan  <dougkwan@google.com>
1271         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1272         classes.
1273         (Arm_exidx_section_offset_map): New type.
1275 2010-01-21  Doug Kwan  <dougkwan@google.com>
1277         * arm.cc (Arm_exidx_input_section): New class.
1278         (Arm_relobj::exidx_input_section_by_link,
1279         Arm_relobj::exidx_input_section_by_shndx,
1280         Arm_relobj::make_exidx_input_section): New methods.
1281         (read_arm_attributes_section): Remove.
1282         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1283         information about them.
1284         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1285         to here.
1287 2010-01-20  Doug Kwan  <dougkwan@google.com>
1289         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1290         Input_section_specifier to Section_id.
1291         (Target_arm::new_arm_input_section: Adjust code for change of key
1292         type.
1293         (Target_arm::find_arm_input_section): Ditto.
1294         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1295         (Section_id): Remove.
1296         (Garbage_collection::Section_id_hash): Remove.
1297         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1298         (Section_id): Remove.
1299         (Icf::Section_id_hash): Remove.
1300         * object.h (Section_id, Const_section_id, Section_id_hash,
1301         Const_section_id_hash): New type definitions.
1302         * output.cc (Output_section::add_relaxed_input_section): Change to
1303         use Const_section_id instead of Input_section_specifier as key type.
1304         (Output_section::add_merge_input_section): Ditto.
1305         (Output_section::build_relaxation_map): Change to use Section_id
1306         instead of Input_section_specifier as key type.
1307         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1308         Ditto.
1309         (Output_section::convert_input_sections_to_relaxed_sections): Change
1310         to use Const_section_id instead of Input_section_specifier as key type.
1311         (Output_section::find_merge_section): Ditto.
1312         (Output_section::find_relaxed_input_section): Ditto.
1313         * output.h (Input_section_specifier): Remove class.
1314         (Output_section::Output_section_data_by_input_section_map): Change
1315         key type to Const_section_id.
1316         (Output_section::Output_relaxed_input_section_by_input_section_map):
1317         Ditto.
1318         (Output_section::Relaxation_map): Change key type to Section_id.
1320 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1322         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1323         (class Arm_v4bx_stub): New class.
1324         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1325         (Stub_factory::make_arm_v4bx_stub): New method.
1326         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1327         (Stub_table::empty): Handle v4bx stubs.
1328         (Stub_table::add_arm_v4bx_stub): New method.
1329         (Stub_table::find_arm_v4bx_stub): New method.
1330         (Arm_relocate_functions::v4bx): New method.
1331         (Target_arm::fix_v4bx): New method.
1332         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1333         (Stub_table::relocate_stubs): Likewise.
1334         (Stub_table::do_write): Likewise.
1335         (Stub_table::update_data_size_and_addralign): Likewise.
1336         (Stub_table::finalize_stubs):  Likewise.
1337         (Target_arm::Scan::local): Likewise.
1338         (Target_arm::Scan::global): Likewise.
1339         (Target_arm::do_finalize_sections): Likewise.
1340         (Target_arm::Relocate::relocate): Likewise.
1341         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1342         Likewise.
1343         (Target_arm::scan_reloc_for_stub): Likewise.
1344         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1346 2010-01-19  Ian Lance Taylor  <iant@google.com>
1348         * output.cc (Output_section_headers::do_sized_write): Write large
1349         segment count to sh_info field.
1350         (Output_file_header::do_sized_write): For large segment count,
1351         write PN_XNUM to e_phnum field.
1353 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1355         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1356         (Arm_relocate_functions::thm_jump8): New function.
1357         (Arm_relocate_functions::thm_jump11): New function.
1358         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1359         R_ARM_THM_JUMP11.
1360         (Target_arm::Scan::global): Likewise.
1361         (Target_arm::Relocate::relocate): Likewise.
1362         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1363         Likewise.
1365 2010-01-14  Doug Kwan  <dougkwan@google.com>
1367         * arm.cc (map, utility): Include headers.
1368         (Target_arm::apply_cortex_a8_workaround): New method.
1369         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1370         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1371         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1372         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1373         the --[no-]fix-cortex-a8 command line options.
1374         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1375         (Target_arm::relocate_stub): Use addend in instruction template.
1376         * options.h (DEFINE_bool): Set the user-set flag.
1377         (General_options): Add --[no-]-fix-cortex options.
1378         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1379         : Update fast look-up map after conversion. 
1381 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1383         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1384         in the first pass of do_layout.
1386 2010-01-13  Doug Kwan  <dougkwan@google.com>
1388         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1389         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1390         apparent compiler problem of not folding static constant integral
1391         data members of elfcpp::Elf_sizes<32>.
1393 2010-01-13  Doug Kwan  <dougkwan@google.com>
1395         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1396         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1397         Arm_relobj::scan_section_for_cortex_a8_erratum,
1398         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1399         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1400         sections to scan for relocation stubs into a new method
1401         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1402         relocation and Cortex-A8 stub scanning.
1403         (Target_arm::do_relax): Force stubs to be after stubbed sections
1404         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1405         the beginning of a new relaxation pass.  Update a comment. 
1406         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1408 2010-01-12  Ian Lance Taylor  <iant@google.com>
1410         * target-reloc.h (visibility_error): New inline function.
1411         (relocate_section): Call visibility_error.
1412         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1413         (MOSTLYCLEANFILES): Likewise.
1414         (protected_4_pic.o, protected_3.err): New targets.
1415         * testsuite/protected_4.cc: New file.
1417 2010-01-12  Doug Kwan  <dougkwan@google.com>
1419         * arm.cc (Cortex_a8_reloc): New class.
1420         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1421         and cortex_a8_relocs_info_.
1422         (Target_arm::fix_cortex_a8): New method definition.
1423         (Target_arm::Cortex_a8_relocs_info): New type.
1424         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1425         New data member declarations.
1426         (Target_arm::scan_reloc_for_stub): Record information about
1427         relocations for THUMB branches that might be exempted from the
1428         Cortex-A8 workaround.
1429         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1430         at the beginning of a relaxation pass.
1432 2010-01-12  Doug Kwan  <dougkwan@google.com>
1434         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1435         (Arm_relobj::Mapping_symbol_position,
1436          Arm_reloj::Mapping_symbol_position_less,
1437          Arm_relobj::Mapping_symbols_info): New types.
1438         (Target_arm::is_mapping_symbol_name): New method definition.
1439         (Arm_relobj::do_count_local_symbols): Save information about mapping
1440         symbols.
1442 2010-01-11  Doug Kwan  <dougkwan@google.com>
1444         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1445         Arm_relocate_functions::thumb32_branch_upper,
1446         Arm_relocate_functions::thumb32_branch_lower,
1447         Arm_relocate_functions::thumb32_cond_branch_offset,
1448         Arm_relocate_functions::thumb32_cond_branch_upper,
1449         Arm_relocate_functions::thumb32_cond_branch_lower,
1450         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1451         branch offset encoding.
1452         (Arm_relocate_functions::thumb_branch_common): Use new branch
1453         offset encoding methods to avoid code duplication.
1454         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1455         (Stub_addend_reader::operator()): Use new branch encoding method
1456         to avoid code duplication.
1458 2010-01-11  Doug Kwan  <dougkwan@google.com>
1460         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1461         (Target_arm::do_finalize_sections): Define special EXIDX section
1462         symbols only if referenced.
1463         * gc.h (Garbage_collection::add_reference): New method.
1464         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1465         code duplication.
1467 2010-01-11  Ian Lance Taylor  <iant@google.com>
1469         * script.cc (Version_script_info::build_expression_list_lookup):
1470         Change complaing about duplicate wildcard match from error to
1471         warning.
1473         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1474         of 2009-12-30.
1475         (Version_script_info::Version_script_info): Initialize globs_,
1476         default_version_, default_is_global_, and exact_.  Don't
1477         initialize globals_ or locals_.
1478         (Version_script_info::build_lookup_tables): Build local symbols
1479         first.
1480         (Version_script_info::unquote): New function.
1481         (Version_script_info::add_exact_match): New function.
1482         (Version_script_info::build_expression_list_lookup): Remove lookup
1483         parameter.  Add is_global parameter.  Change all callers.  Handle
1484         wildcard pattern specially.  Unquote pattern.  Call
1485         add_exact_match.
1486         (Version_script_info::get_name_to_match): New function.
1487         (Version_script_info::get_symbol_version): New function.
1488         (Version_script_info::get_symbol_version_helper): Remove.
1489         (Version_script_info::check_unmatched_names): Call unquote.
1490         * script.h (class Version_script_info): Change get_symbol_version
1491         to be non-inline and add is_global parameter; change all callers.
1492         Rewrite symbol_is_local.  Update declarations.  Define struct
1493         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1494         Remove globals_ and locals_ members.  Add exact_, globs_,
1495         default_version_, is_global_.
1496         (Version_script_info::Glob): Remove pattern, add expression and
1497         is_global.  Update constructor.  Change all callers.
1498         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1499         default version.
1500         (Versions::symbol_section_contents): If a symbol is undefined, or
1501         defined in a dynamic object, set the version index to
1502         VER_NDX_LOCAL.
1503         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1504         symbol_is_local.
1505         (Symbol_table::add_from_pluginobj): Likewise.
1506         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1508 2010-01-11  Doug Kwan  <dougkwan@google.com>
1510         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1511         (incremental_dump_LDADD): Add linking option for libintl.
1512         * Makefile.in: Regenerate.
1514 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1516         PR gold/11144
1517         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1518         instead of -Ds.
1519         * testsuite/Makefile.in: Regenerated.
1521 2010-01-10  Doug Kwan  <dougkwan@google.com>
1523         * options.h (DEFINE_var): Use parentheses around argument varname__
1524         in macro body to avoid any unintended subsequent substitutions.
1526 2010-01-10  Ian Lance Taylor  <iant@google.com>
1528         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1529         candidates before doing symbol resolution.
1531         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1532         ODR candidates if only one is weak.
1534 2010-01-08  Ian Lance Taylor  <iant@google.com>
1536         * script.cc (Version_script_info::build_expression_list_lookup):
1537         Don't warn about ambiguous version, just record the ambiguity.
1538         (Version_script_info::get_symbol_version_helper): Give error if
1539         version is ambiguous.
1541 2010-01-08  Doug Kwan  <dougkwan@google.com>
1543         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1544           prev_data_size_ and prev_addralign_.  Remove initializer for
1545           deleted data member has_been_changed_.
1546           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1547           to determine if the table is empty.
1548           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1549           Remove.
1550           (Stub_table::add_reloc_stub): Define method in class definition
1551           instead of just declaring it there.
1552           (Stub_table::add_cortex_a8_stub): New method definition.
1553           (Stub_table::update_data_size_and_addralign): Ditto.
1554           (Stub_table::finalize_stubs): Ditto.
1555           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1556           (Stub_table::do_addralign_): Return address alignment in the
1557           (Stub_table::do_reset_address_and_file_offset): Define method in
1558           class definition instead of declaring it there.  Set current data
1559           size to be the data size of the previous pass.
1560           (Stub_table::set_final_data_size): Use current data size as the
1561           final data size.
1562           (Stub_table::relocate_stub): Change parameter type of stub from
1563           Reloc_stub pointer to Stub pointer.
1564           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1565           (Stub_table::Cortex_a8_stub_list): New typedef.
1566           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1567            Stub_table::prev_addralign_): New data member.
1568           (Arm_relobj::Arm_relobj): Initialize data member
1569           section_has_cortex_a8_workaround_.
1570           (Arm_relobj::section_has_cortex_a8_workaround,
1571            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1572            definitions.
1573           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1574           declarations.
1575           (Target_arm::relocate_stub): Change parameter type of stub from
1576           Reloc_stub pointer to Stub pointer.
1577           (Insn_template::size, Insn_template::alignment): Handle
1578           THUMB16_SPECIAL_TYPE.
1579           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1580            Stub_table::update_data_size_and_addralign,
1581            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1582           definitions.
1583           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1584           (Stub_table::do_write): Ditto.
1585           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1587 2010-01-08  Ian Lance Taylor  <iant@google.com>
1589         PR 11108
1590         * symtab.h (class Symbol): Remove fields is_target_special_ and
1591         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1592         (Symbol::is_defined_in_discarded_section): New function.
1593         (Symbol::set_is_defined_in_discarded_section): New function.
1594         (Symbol::has_plt_offset): Rewrite.
1595         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1596         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1597         Don't initialize is_target_special_ or has_plt_offset_.
1598         Initialize is_defined_in_discarded_section_.
1599         (Symbol_table::add_from_relobj): If appropriate, set
1600         is_defined_in_discarded_section.
1601         * resolve.cc (Symbol::override_base_with_special): Don't test
1602         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1603         * target-reloc.h (relocate_section): Do special handling for
1604         symbols defined in discarded sections for global symbols as well
1605         as local symbols.
1607 2010-01-08  Ian Lance Taylor  <iant@google.com>
1609         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1610         the SHT_SYMTAB case.
1612 2010-01-08  Ian Lance Taylor  <iant@google.com>
1614         * object.cc (Sized_relobj::do_layout): Don't get confused if
1615         layout_eh_frame returns NULL.
1617 2010-01-08  Ian Lance Taylor  <iant@google.com>
1619         PR 11084
1620         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1621         dynamic symbol table, use the normal symbol table.
1622         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1623         symbol table.
1625 2010-01-08  Ian Lance Taylor  <iant@google.com>
1627         PR 11072
1628         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1629         sections.
1631 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1633         * version.cc (print_version): Change to "Copyright 2010".
1635 2010-01-08  Ian Lance Taylor  <iant@google.com>
1637         PR 10287
1638         PR 11063
1639         * i386.cc (class Target_i386): Change return type of plt_section
1640         to be non-const.
1641         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1642         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1643         tls_desc_rel_ field.
1644         (Output_data_plt_i386::rel_tls_desc): New function.
1645         (Target_i386::rel_tls_desc_section): New function.
1646         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1647         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1648         R_386_TLS_DESC reloc in rel_tls_desc_section.
1649         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1650         Define struct Tlsdesc_info.
1651         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1652         (Target_x86_64::do_reloc_symbol_index): New function.
1653         (Target_x86_64::add_tlsdesc_info): New function.
1654         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1655         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1656         tlsdesc_rel_ field.
1657         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1658         all callers.
1659         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1660         (Target_x86_64::rela_tlsdesc_section): New function.
1661         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1662         handling.
1663         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1664         (Target_x86_64::do_reloc_addend): New function.
1665         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1666         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1667         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1668         (Output_reloc::type): New function.
1669         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1670         (Output_reloc::is_target_specific): New function.
1671         (Output_reloc::target_arg): New function.
1672         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1673         absolute relocs and target specific relocs.
1674         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1675         add_target_specific.
1676         (class Output_data_reloc) [SHT_RELA]: Likewise.
1677         * output.cc (Output_reloc::Output_reloc): Add four new versions
1678         for absolute relocs and target specific relocs.
1679         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1680         (Output_reloc::get_symbol_index): Likewise.
1681         (Output_reloc::local_section_offset): Check that local_sym_index_
1682         is not TARGET_CODE or 0.
1683         (Output_reloc::symbol_value): Likewise.
1684         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1685         reloc.
1686         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1687         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1688         functions.
1689         * layout.cc (add_target_dynamic_tags): Use output section for
1690         DT_PLTRELSZ and DT_JMPREL.
1692 2010-01-07  Ian Lance Taylor  <iant@google.com>
1694         PR 11061
1695         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1696         function.
1697         (class Output_data_reloc_generic): Define.
1698         (class Output_data_reloc_base): Change base class to
1699         Output_data_reloc_generic.  Change add() method to call
1700         bump_relative_reloc_count for a relative reloc.  Remove
1701         sort_relocs_ field.
1702         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1703         to sort_relocs().
1704         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1705         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1706         appropriate.
1707         * layout.h (class Layout): Update declaration.
1709 2010-01-07  Ian Lance Taylor  <iant@google.com>
1711         * output.h (class Output_data): Add const version of
1712         output_section and do_output_section.
1713         (class Output_section_data): Add const version of
1714         do_output_section.
1715         (class Output_section): Likewise.
1716         * layout.cc (Layout::add_target_dynamic_tags): New function.
1717         * layout.h (class Layout): Update declarations.
1718         * arm.cc (Target_arm::do_finalize_sections): Use
1719         add_target_dynamic_tags.
1720         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1721         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1722         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1723         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1725 2010-01-07  Ian Lance Taylor  <iant@google.com>
1727         PR 11042
1728         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1729         object as needed.
1731 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1732             Ian Lance Taylor  <iant@google.com>
1734         PR 11019
1735         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1736         Xindex::read_symtab_xindex.
1738 2010-01-07  Doug Kwan  <dougkwan@google.com>
1740         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1741         (Insn_template::thumb16_bcond_insn): New method declaration.
1742         (Insn_template): Fix spelling.
1743         (Stub::thumb16_special): New method declaration.
1744         (Stub::do_write): Define virtual method which was previously pure
1745         virtual.
1746         (Stub::do_thumb16_special): New method declaration.
1747         (Stub::do_fixed_endian_write): New template member.
1748         (Reloc_stub::do_write): Remove.
1749         (Reloc_stub::do_fixed_endian_write): Remove.
1750         (Cortex_a8_stub): New class definition.
1751         (Stub_factory::make_cortex_a8_stub): New method definition.
1752         (Stub_factory::Stub_factory): Add missing static storage class
1753         qualifier for elf32_arm_stub_a8_veneer_blx.
1755 2010-01-07  Ian Lance Taylor  <iant@google.com>
1757         PR 10980
1758         * options.h (class General_options): Add --warn-unresolved-symbols
1759         and --error-unresolved-symbols.
1760         * errors.cc (Errors::undefined_symbol): Implement
1761         --warn-unresolved-symbols.
1763         * options.h (class General_options): Add -z text and -z textoff.
1764         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1766 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1768         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1769         (Garbage_collection::cident_sections): New function.
1770         (Garbage_collection::add_cident_section): New function.
1771         (Garbage_collection::cident_sections_): New member.
1772         (gc_process_relocs): Add references to sections whose names are C
1773         identifiers.
1774         * gold.h (cident_section_start_prefix): New constant.
1775         (cident_section_stop_prefix): New constant.
1776         (is_cident): New function.
1777         * layout.cc (Layout::define_section_symbols): Replace string constants
1778         with the newly defined constants.
1779         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1780         C identifiers.
1781         * testsuite/Makefile.am: Add gc_orphan_section_test.
1782         * testsuite/Makefile.in: Regenerate.
1783         * testsuite/gc_orphan_section_test.cc: New file.
1784         * testsuite/gc_orphan_section_test.sh: New file.
1786 2010-01-06  Ian Lance Taylor  <iant@google.com>
1788         PR 10980
1789         * options.h (class General_options): Add --warn-shared-textrel.
1790         * layout.cc (Layout::finish_dynamic_section): Implement
1791         --warn-shared-textrel.
1793         PR 10980
1794         * options.h (class General_options): Add --warn-multiple-gp.
1796 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1798         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1799         $(THREADSLIB) and $(LIBDL).
1800         * Makefile.in: Rebuild.
1802 2010-01-06  Ian Lance Taylor  <iant@google.com>
1804         PR 10980
1805         * options.cc (General_options::parse_section_start): New function.
1806         (General_options::section_start): New function.
1807         (General_options::General_options): Initialize all members.
1808         * options.h: Include <map>
1809         (class General_options): Add --section-start.  Add section_starts_
1810         member.
1811         * layout.cc (Layout::attach_allocated_section_to_segment): If
1812         --section-start was used, set the address of the segment.  Remove
1813         local sort_sections.
1814         (Layout::relaxation_loop_body): If the address of the load segment
1815         has been set by --section-start, don't use it.
1816         * output.h (Output_segment::update_flags_for_output_section): New
1817         function.
1818         * output.cc (Output_segment::add_output_section): Call
1819         update_flags_for_output_section.
1821 2010-01-05  Ian Lance Taylor  <iant@google.com>
1823         PR 10980
1824         * options.h (class General_options): Add --undefined-version.
1825         * script.cc (struct Version_expression): Add was_matched_by_symbol
1826         field.
1827         (Version_script_info::matched_symbol): New function.
1828         (Version_script_info::get_symbol_version_helper): Call
1829         matched_symbol.
1830         (Version_script_info::check_unmatched_names): New function.
1831         * script.h (class Version_script_info): Update declarations.
1832         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1834         * options.h (class General_options): Use DEFINE_bool_alias for
1835         allow_multiple_definition.
1836         * resolve.cc (Symbol_table::should_override): Don't test
1837         allow_multiple_definition.
1839         PR 10980
1840         * options.h (class General_options): Add --cref.
1841         * main.cc (main): Print cref table if --cref.  Don't close mapfile
1842         until after printing cref table.
1843         * cref.cc: Include "symtab.h".
1844         (class Cref_inputs): Define Cref_table_compare and Cref_table.
1845         (Cref_table_compare::operator()): New function.
1846         (Cref_inputs::gather_cref): New function.
1847         (filecol): New static const.
1848         (Cref_inputs::print_cref): New function.
1849         (Cref::print_cref): New function.
1850         * cref.h: Include <cstdio>.
1851         (class Cref): Update declarations.
1852         * mapfile.h (Mapfile::file): New function.
1853         * object.h (class Object): Define Symbols.  Declare virtual
1854         do_get_global_symbols.
1855         (Object::get_global_symbols): New function.
1856         * object.cc (Input_objects::add_object): Pass object to cref_ if
1857         --cref.
1858         (Input_objects::archive_start): Likewise.
1859         (Input_objects::archive_stop): Likewise.
1860         (Input_objects::print_cref): New function.
1861         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1862         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1863         --cref.
1864         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1865         function.
1866         * plugin.h (class Sized_pluginobj): Update declarations.
1868 2010-01-05  Ian Lance Taylor  <iant@google.com>
1870         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1871         to is_default_version.  Rename insdef to insdefault.
1872         (Symbol_table::add_from_relobj): Rename def to is_default_version
1873         and local to is_forced_local.
1874         (Symbol_table::add_from_pluginobj): Likewise.
1875         (Symbol_table::add_from_dynobj): Likewise.
1876         (Symbol_table::define_special_symbol): Rename insdef to
1877         insdefault.
1879 2010-01-04  Ian Lance Taylor  <iant@google.com>
1881         PR 10980
1882         * options.h (class General_options): Add
1883         --allow-multiple-definition and -z muldefs.
1884         * resolve.cc (Symbol_table::should_override): Don't warn about a
1885         multiple symbol definition if --allow-multiple-definition or -z
1886         muldefs.
1888         PR 10980
1889         * options.h (class General_options): Add --add-needed and
1890         --copy-dt-needed-entries.  Tweak --as-needed help entry.
1891         * object.cc (Input_objects::check_dynamic_dependencies): Give an
1892         error if --copy-dt-needed-entries aka --add-needed is used and
1893         would cause a change in behaviour.
1895         PR 10980
1896         * options.h (class General_options): Add -G as a short version of
1897         --shared.  Add no-op options -assert, -g, and -i.
1899 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
1901         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1902         check for .text or .gnu.linkonce.t sections.
1903         * icf.cc (Icf::find_identical_sections): Ditto.
1904         Change the detection for mangled function name within the section
1905         name.
1906         * icf.h (is_section_foldable_candidate): New function.
1908 2009-12-30  Ian Lance Taylor  <iant@google.com>
1910         PR 10980
1911         * options.h (class General_options): Permit two dashes with
1912         --retain-symbols-file.
1914 2009-12-30  Ian Lance Taylor  <iant@google.com>
1916         PR 10979
1917         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1918         don't put the file header and segment headers in the text
1919         segment.
1921         PR 10979
1922         * common.cc (Sort_commons::operator()): Stabilize sort when both
1923         entries are NULL.
1924         (Symbol_table::do_allocate_commons_list): When allocating common
1925         symbols, skip a symbol which is no longer common.
1926         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1927         an object before checking its type.
1928         * testsuite/common_test_2.c: New file.
1929         * testsuite/common_test_3.c: New file.
1930         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1931         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1932         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1933         (common_test_2_pic.o, common_test_2.so): New targets.
1934         (common_test_3_pic.o, common_test_3.so): New targets.
1935         * testsuite/Makefile.in: Rebuild.
1937         PR 10979
1938         * script.cc (read_input_script): If we see a new SECTIONS clause,
1939         and we have added an input section, give an error.
1940         * layout.h (class Layout): Add have_added_input_section function.
1941         Add have_added_input_section_ field.
1942         * layout.cc (Layout::Layout): Initialize
1943         have_added_input_section_.
1944         (Layout::layout): Set have_added_input_section_.
1945         (Layout::layout_eh_frame): Likewise.
1947 2009-12-30  Ian Lance Taylor  <iant@google.com>
1949         PR 10931
1950         * options.h (class General_options): Add --sort-common option.
1951         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1952         * common.cc (Sort_common): Add sort_order parameter to
1953         constructor.  Add sort_order_ field.
1954         (Sort_commons::operator): Check sort_order_.
1955         (Symbol_table::allocate_commons): Determine the sort order.
1956         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1957         Change all callers.
1958         (Symbol_table::do_allocate_commons_list): Likewise.
1960 2009-12-30  Ian Lance Taylor  <iant@google.com>
1962         PR 10916
1963         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1964         symbols from this object, don't change the visibility of an
1965         undefined symbol.
1966         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1968 2009-12-30  Ian Lance Taylor  <iant@google.com>
1970         PR 10861
1971         * script.h (class Version_script_info): Define Language enum.
1972         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1973         new fields globals_, locals_, and is_finalized_.
1974         * script.cc: Various formatting fixes.
1975         (class Parser_closure): Change language_stack_ from a vector of
1976         std::string to one of Version_script_info::Language.  Adjust all
1977         uses accordingly.
1978         (class Lazy_demangler): Remove.
1979         (struct Version_expression): Change language from std::string to
1980         Version_script_info::Language.
1981         (Version_script_info::Version_script_info): New function.
1982         (Version_script_info::~Version_script_info): Don't call clear.
1983         (Version_script_info::finalize): New function.
1984         (Version_script_info::build_lookup_tables): New function.
1985         (Version_script_info::build_expression_list_lookup): New
1986         function.
1987         (Version_script_info::get_symbol_version_helper): Rewrite to use
1988         lookup tables.
1989         (Version_script_info::print_expression_list): Adjust to use
1990         Version_script_info::Language.
1991         (script_push_lex_into_version_mode): Check that the version script
1992         has not been finalized.
1993         (version_script_push_lang): Change language string to
1994         Version_script_info::Language.
1995         * options.cc (Command_line::version_script): New function.
1996         * options.h (class General_options): Add finalize_dynamic_list
1997         function.  Change version_script from declaration to definition.
1998         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1999         * testsuite/version_script.map: Remove duplicate def of foo.
2000         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2001         version_script.map.
2002         * testsuite/Makefile.in: Rebuild.
2004 2009-12-30  Ian Lance Taylor  <iant@google.com>
2006         PR 10843
2007         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2008         if the input symbol index is 0, make the output symbol index 0.
2010 2009-12-30  Ian Lance Taylor  <iant@google.com>
2012         PR 10670
2013         * options.h (class General_options): Add -x/--discard-all.
2014         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2015         --discard-all.  If the local symbol needs a dynamic entry, check
2016         that before handling --discard-locals.
2018 2009-12-30  Ian Lance Taylor  <iant@google.com>
2020         PR 10450
2021         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2022         flags to PF_R.
2023         (Output_segment::add_output_section): Don't change the flags if
2024         the type is PT_TLS.
2026         PR 10450
2027         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2028         GNU hash table if they need a dynamic value.  Otherwise, don't add
2029         them if they are defined in a dynamic object or are forced local.
2031 2009-12-29  Ian Lance Taylor  <iant@google.com>
2033         PR 10450
2034         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2035         .gnu.hash table for a 32-bit target.
2037         PR 10450
2038         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2039         regular and a dynamic object only needs a dynamic symbol table
2040         entry if it is externally visible.
2042         PR 10450
2043         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2044         constructor.  Add global_offset_table_ field.
2045         (Target_i386::got_section): Set global_offset_table_.
2046         (Target_i386::do_finalize_sections): Set global_offset_table_
2047         size.
2048         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2049         in constructor.  Add global_offset_table_ field.
2050         (Target_x86_64::got_section): Set global_offset_table_.
2051         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2052         size.
2054         * layout.cc (Layout::Layout): Initialize increase_relro_.
2055         (Layout::get_output_section): Add is_relro, is_last_relro, and
2056         is_first_non_relro parameters.  Change all callers.
2057         (Layout::choose_output_section): Likewise.
2058         (Layout::add_output_section_data): Likewise.
2059         (Layout::make_output_section): Likewise.
2060         (Layout::set_segment_offsets): Clear increase_relro when using a
2061         linker script.
2062         * layout.h (class Layout): Add increase_relro method.  Add
2063         increase_relro_ field.  Update declarations.
2064         * output.cc (Output_section::Output_section): Initialize
2065         is_last_relro_ and is_first_non_relro_.
2066         (Output_segment::add_output_section): Group relro sections is
2067         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2068         (Output_segment::maximum_alignment): Remove relro handling.
2069         (Output_segment::set_section_addresses): Add increase_relro
2070         parameter.  Change all callers.  Add initial alignment to align
2071         relro sections on separate page.  Remove old relro handling.
2072         (Output_segment::set_section_list_addresses): Remove in_relro
2073         parameter.  Change all callers.
2074         (Output_segment::set_offset): Add increase parameter.  Change all
2075         callers.  Remove old relro handling.
2076         * output.h (class Output_section): Add new methods: is_last_relro,
2077         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2078         Add is_last_relro_ and is_first_non_relro_ fields.
2079         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2080         Create separate .got.plt section.  Call increase_relro.
2081         * x86_64.cc (Target_x86_64::got_section): Likewise.
2082         * testsuite/relro_script_test.t: Add .got.plt.
2084         PR 10450
2085         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2086         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2087         (Layout::finalize): Call set_dynamic_symbol_size.
2088         (Layout::set_dynamic_symbol_size): New function.
2089         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2090         set_dynamic_symbol_size.
2092         PR 10450
2093         * output.h (class Output_section): Add is_entsize_zero_ field.
2094         * output.cc (Output_section::Output_section): Initialize
2095         is_entsize_zero_.
2096         (Output_section::set_entsize): If two different entsizes are
2097         requested, force it to zero.
2098         (Output_section::add_input_section): Set flags for .debug_str
2099         before updating section flags.  Set entsize.
2100         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2101         and SHF_STRING if all input sections have those flags.
2103 2009-12-29   Rafael Espindola  <espindola@google.com>
2105         * main.cc (main): Fix the sys time reporting.
2106         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2107         reporting.
2109 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2111         * options.cc (General_options::parse_version): Allow -v to exit
2112         without an error if there is nothing to link.
2114 2009-12-29  Ian Lance Taylor  <iant@google.com>
2116         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2117         using a version of gcc before 4.1.
2118         * configure: Rebuild.
2120 2009-12-28  Chris Demetriou  <cgd@google.com>
2122         * attributes.cc (Output_attributes_section_data::do_write): Use
2123         std::vector::front rather than std::vector::data.
2125 2009-12-28  Ian Lance Taylor  <iant@google.com>
2127         * symtab.h (class Symbol_table): Add enum Defined.
2128         * resolve.cc (Symbol_table::should_override): Add defined
2129         parameter.  Change all callers.  Test whether object is NULL
2130         before calling a method on it.
2131         (Symbol_table::report_resolve_problem): Add defined parameter.
2132         Change all callers.
2133         (Symbol_table::should_override_with_special): Likewise.
2134         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2135         parameter.  Change all callers.
2136         (Symbol_table::do_define_in_output_data): Likewise.
2137         (Symbol_table::define_in_output_segment): Likewise.
2138         (Symbol_table::do_define_in_output_segment): Likewise.
2139         (Symbol_table::define_as_constant): Likewise.
2140         (Symbol_table::do_define_as_constant): Likewise.
2141         * script.h (class Symbol_assignment): Add is_defsym parameter to
2142         constructor; change all callers.
2143         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2144         parameter.  Change all callers.  Add is_defsym_ field.
2145         (class Parser_closure): Add parsing_defsym parameter to
2146         constructor; change all callers.  Add parsing_defsym accessor
2147         function.  Add parsing_defsym_ field.
2149 2009-12-28  Ian Lance Taylor  <iant@google.com>
2151         * gold.cc (queue_middle_tasks): Fix formatting.
2152         * object.cc (Relobj::is_section_name_included): Likewise.
2154 2009-12-23  Ian Lance Taylor  <iant@google.com>
2156         * i386.cc (Target_i386::do_calls_non_split): Recognize
2157         -fsplit-stack prologue for a function with a static chain.
2158         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2159         -fsplit-stack prologue when using %r11.
2161 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2163         * options.cc (General_options::parse_version): Make -v continue and do
2164         the link like GNU ld does.
2166 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2168         * Makefile.am (CCFILES): Add timer.cc.
2169         (HFILES): Add timer.h.
2170         * configure.ac: Check for sysconf and times.
2171         * main.cc: include timer.h.
2172         (main): Use Timer instead of get_run_time.
2173         * timer.cc: New.
2174         * timer.h: New.
2175         * workqueue.cc: include timer.h.
2176         (Workqueue::find_and_run_task):
2177         Report user, sys and wall time.
2178         * Makefile.in: Regenerate.
2179         * config.in: Regenerate.
2180         * configure: Regenerate.
2182 2009-12-16  Doug Kwan  <dougkwan@google.com>
2184         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2185         sections.
2186         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2187         relaxed input sections.
2188         * output.cc (Output_section::find_relaxed_input_section): Change
2189         return type to Output_relaxed_input_section pointer.  Adjust code
2190         for new type of relaxed_input_section_map_.
2191         * output.h (Output_section::find_relaxed_input_section): Change
2192         return type to Output_relaxed_input_section pointer.
2193         (Output_section::Output_relaxed_input_section_by_input_section_map):
2194         New type.
2195         (Output_section::relaxed_input_section_map_): Change type to
2196         Output_section::Output_relaxed_input_section_by_input_section_map.
2197         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2198         input section.
2200 2009-12-15  Ian Lance Taylor  <iant@google.com>
2202         * layout.cc (Layout::create_shstrtab): Only write out after input
2203         sections if we are compressing debug sections.
2205 2009-12-15  Ian Lance Taylor  <iant@google.com>
2207         * archive.cc (Archive::add_symbols): Only look up a symbol without
2208         a version if there is, in fact, a version.
2210 2009-12-14  Ian Lance Taylor  <iant@google.com>
2212         Revert -Wshadow changes, all changes from:
2213         2009-12-11  Doug Kwan  <dougkwan@google.com>
2214         2009-12-11  Nick Clifton  <nickc@redhat.com>
2215         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2217 2009-12-11  Doug Kwan  <dougkwan@google.com>
2219         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2220         due to -Wshadow.
2221         * attributes.cc (Object_attribute::size): Ditto.
2222         (Attributes_section_data::size): Ditto.
2223         (Attributes_section_data::Attributes_section_data): Ditto.
2224         (Output_attributes_section_data::do_write): Ditto.
2225         * attributes.h (Object_attribute::set_type): Ditto.
2226         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2228 2009-12-11  Nick Clifton  <nickc@redhat.com>
2230         * archive.cc: Fix shadowed variable warnings.
2231         * arm.cc: Likewise.
2232         * compressed_output.cc: Likewise.
2233         * compressed_output.h: Likewise.
2234         * configure: Likewise.
2235         * dwarf_reader.cc: Likewise.
2236         * dynobj.cc: Likewise.
2237         * dynobj.h: Likewise.
2238         * ehframe.cc: Likewise.
2239         * ehframe.h: Likewise.
2240         * errors.cc: Likewise.
2241         * expression.cc: Likewise.
2242         * fileread.cc: Likewise.
2243         * fileread.h: Likewise.
2244         * freebsd.h: Likewise.
2245         * i386.cc: Likewise.
2246         * icf.cc: Likewise.
2247         * incremental.h: Likewise.
2248         * layout.cc: Likewise.
2249         * layout.h: Likewise.
2250         * mapfile.cc: Likewise.
2251         * merge.cc: Likewise.
2252         * merge.h: Likewise.
2253         * object.cc: Likewise.
2254         * object.h: Likewise.
2255         * options.h: Likewise.
2256         * output.cc: Likewise.
2257         * output.h: Likewise.
2258         * parameters.cc: Likewise.
2259         * plugin.cc: Likewise.
2260         * powerpc.cc: Likewise.
2261         * reduced_debug_output.cc: Likewise.
2262         * reduced_debug_output.h: Likewise.
2263         * reloc.cc: Likewise.
2264         * reloc.h: Likewise.
2265         * resolve.cc: Likewise.
2266         * script-sections.cc: Likewise.
2267         * script.cc: Likewise.
2268         * script.h: Likewise.
2269         * sparc.cc: Likewise.
2270         * symtab.cc: Likewise.
2271         * symtab.h: Likewise.
2272         * target-select.cc: Likewise.
2273         * target-select.h: Likewise.
2274         * token.h: Likewise.
2275         * workqueue.cc: Likewise.
2276         * workqueue.h: Likewise.
2277         * x86_64.cc: Likewise.
2279 2009-12-10  Doug Kwan  <dougkwan@google.com>
2281         * arm.cc (attributes.h): New include.
2282         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2283         (Arm_relobj::~Arm_relobj): Delete object pointed by
2284         attributes_section_data_.
2285         (Arm_relobj::attributes_section_data): New method definition.
2286         (Arm_relobj::attributes_section_data_): New data member declaration.
2287         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2288         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2289         attributes_section_data_.
2290         (Arm_dynobj::attributes_section_data): New method definition.
2291         (Arm_dynobj::attributes_section_data_): New data member declaration.
2292         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2293         initialization value of may_use_blx_ to false.
2294         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2295         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2296         object attributes to compute results instead of hard-coding.
2297         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2298         Target_arm::get_secondary_compatible_arch,
2299         Target_arm::set_secondary_compatible_arch
2300         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2301         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2302         New method declarations.
2303         (Target_arm::get_aeabi_object_attribute): New method definition.
2304         (Target_arm::attributes_section_data_): New data member declaration.
2305         (read_arm_attributes_section): New template definition.
2306         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2307         (Arm_dynobj::do_read_symbols): Ditto.
2308         (Target_arm::do_finalize_sections): Merge attributes sections from
2309         input.  Check for BLX use after attributes section merging.
2310         Fix __exidx_start and __exidx_end visibility.  Create an
2311         .ARM.attributes section if necessary.
2312         (Target_arm::get_secondary_compatible_arch,
2313         Target_arm::set_secondary_compatible_arch,
2314         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2315         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2316         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2317         New method definitions.
2319 2009-12-09  Ian Lance Taylor  <iant@google.com>
2321         * plugin.cc (Plugin::load): Don't cast from void* to a function
2322         pointer.
2324 2009-12-09  Ian Lance Taylor  <iant@google.com>
2326         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2327         information fields.
2329 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2331         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2332         Replace two_file_shared_1.so with two_file_shared_2.so.
2333         * testsuite/Makefile.in: Regenerated.
2335 2009-12-08  Doug Kwan  <dougkwan@google.com>
2337         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2338         (HFILES): Add attributes.h and int_encoding.h.
2339         * Makefile.in: Regenerate.
2340         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2341         function definitions to int_encoding.cc
2342         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2343         prototypes to int_encoding.h
2344         * reduced_debug_output.cc (int_encoding.h): New include.
2345         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2346         function definitions to int_encoding.cc
2347         (insert_into_vector, read_from_pointer): Move template definitions to
2348         int_encoding.h
2349         * attributes.cc: New file.
2350         * attributes.h: New file.
2351         * int_encoding.cc: New file.
2352         * int_encoding.h: New file.
2354 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2356         PR gold/11055
2357         * incremental-dump.cc (dump_incremental_inputs): New.
2358         (main): Use dump_incremental_inputs.
2360 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2362         PR gold/10893
2363         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2364         checking elfcpp::STT_FUNC.
2365         (Target_i386::Relocate::relocate): Likewise.
2366         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2368         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2369         symbols from shared libraries into normal FUNC symbols.
2371         * symtab.h (Symbol): Add is_func and use it.
2373 2009-12-05  Doug Kwan  <dougkwan@google.com>
2375         * arm.cc (Target_arm::arm_info): Initialize new fields
2376         attributes_section and attributes_vendor.
2377         * i386.cc (Target_i386::i386_info): Same.
2378         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2379         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2380         fields attributes_section and attributes_vendor.
2381         * sparc.cc (Target_sparc::sparc_info): Same.
2382         * target.h (Target::attributes_section, Target::attributes_vendor,
2383         Target::is_attributes_section, Target::attribute_arg_type,
2384         Target::attributes_order): New method definitions.
2385         (Target::Target_info::attributes_section,
2386         Target::Target_info::attributes_vendor): New fields.
2387         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2388         virtual method definitions.
2389         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2390         attributes_section and attributes_vendor.
2391         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2393 2009-12-05  Doug Kwan  <dougkwan@google.com>
2395         * arm.cc: Update comments about interworking and stub generation.
2396         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2397         considered as non-PIC.
2398         (Arm_relocate_functions::base_abs): Fix formatting.
2399         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2400         of function to use GOT entry address instead of offset.
2401         (Target_arm::Scan::global): Issue an error if a symbol would need a
2402         PLT does not get one because it is untyped.  Remove code to create
2403         dynamic symbols for relative branches.
2404         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2405         takes unsigned integer instead of boolean.
2407 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2409         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2410         (two_file_test_LDADD): Likewise.
2411         (common_test_1_LDADD): Likewise.
2412         (exception_test_LDADD) Likewise.
2413         (weak_test_LDADD): Likewise.
2414         (many_sections_test_LDADD): Likewise.
2415         (initpri1_LDADD): Likewise.
2416         (script_test_1_LDADD): Likewise.
2417         (script_test_2_LDADD): Likewise.
2418         (justsyms_LDADD): Likewise.
2419         (binary_test_LDADD): Likewise.
2420         (large_LDADD): Likewise.
2421         * testsuite/Makefile.in: Regenerated.
2423 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2425         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2426         (Symbol_table::override_with_special): Likewise.
2427         (Symbol_table::add_from_object): Likewise.
2429 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2431         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2432         Don't set the data_offset twice.
2434 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2436         * testsuite/Makefile.in: Regenerate.
2438 2009-12-03  Doug Kwan  <dougkwan@google.com>
2440         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2441         (Target_arm::do_finalize_sections): Add parameter for symbol table
2442         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2443         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2444         parameter for symbol table pointer.
2445         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2446         an additional parameter for a pointer to symbol table.
2447         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2448         parameter for a symbol table pointer.
2449         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2450         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2451         Ditto.
2452         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2453         parameter for a symbol table pointer.
2455 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2457         * incremental.cc (Incremental_inputs_header)
2458         (Incremental_inputs_header_write, Incremental_inputs_entry)
2459         (Incremental_inputs_entry_write): Move ...
2460         * incremental.h (Incremental_inputs_header)
2461         (Incremental_inputs_header_write, Incremental_inputs_entry)
2462         (Incremental_inputs_entry_write): here.
2464 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2466         * incremental.cc (make_sized_incremental_binary): Set the target.
2467         Error if it is incompatible.
2468         * output.h (Output_file): Add filename method.
2470 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2472         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2473         from the get_* methods.
2475 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2477         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2478         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2479         Write 0 for the data_offset of scripts.
2481 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2483         * testsuite/Makefile.am: Add the incremental_test.sh test.
2484         * testsuite/incremental_test.sh: New.
2485         * testsuite/incremental_test_1.c: New.
2486         * testsuite/incremental_test_2.c: New.
2488 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2490        * incremental-dump.cc (main): Fix typos.
2492 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2494         PR gold/11025
2495         * incremental-dump.cc (main): Use llu to print 64 bit values.
2497 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2498             H.J. Lu  <hongjiu.lu@intel.com>
2500         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2501         $(LIBDL).
2502         (incremental_dump_LDADD): Likewise.
2503         * Makefile.in: Regenerated.
2505 2009-11-25  Doug Kwan  <dougkwan@google.com>
2506         
2507         Revert:
2509         2009-11-25  Doug Kwan  <dougkwan@google.com>
2511                 * arm.cc (Target_arm::Target_arm): Move method definition
2512                 outside of class definition.  Add code to handle
2513                 --target1-rel, --target1-abs and --target2= options.
2514                 (Target_arm::get_reloc_reloc_type): Change method to be
2515                 non-static and const.
2516                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2517                 New data member declaration.
2518                 (Target_arm::Scan::local, Target_arm::Scan::global,
2519                 Target_arm::Relocate::relocate,
2520                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2521                 Adjust call to Target_arm::get_real_reloc_type.
2522                 (Target_arm::get_real_reloc_type): Use command line options
2523                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2524                 * options.h (--target1-rel, --target1-abs, --target2): New
2525                 ARM-only options.
2527 2009-11-25  Doug Kwan  <dougkwan@google.com>
2529         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2530         class definition.  Add code to handle --target1-rel, --target1-abs
2531         and --target2= options.
2532         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2533         and const.
2534         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2535         member declaration.
2536         (Target_arm::Scan::local, Target_arm::Scan::global,
2537         Target_arm::Relocate::relocate,
2538         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2539         call to Target_arm::get_real_reloc_type.
2540         (Target_arm::get_real_reloc_type): Use command line options to
2541         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2542         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2543         options.
2545 2009-11-25  Doug Kwan  <dougkwan@google.com>
2547         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2548         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2549         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2550         formatting.
2551         (Arm_relocate_functions::thm_call): Replace body with a call to
2552         Arm_relocate_functions::thumb_branch_common.
2553         (Arm_relocate_functions::thm_jump24,
2554         Arm_relocate_functions::thm_xpc22): New method definitions.
2555         (Arm_relocate_functions::thumb_branch_common): New method definition.
2556         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2557         operator.
2558         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2559         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2561 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2563         * Makefile.am: Build incremental-dump
2564         * Makefile.in: Regenerate.
2565         * incremental-dump.cc: New.
2566         * incremental.cc (Incremental_inputs_header_data,
2567         Incremental_inputs_entry_data): Move to incremental.h
2568         * incremental.h: (Incremental_inputs_header_data,
2569         Incremental_inputs_entry_data): Move from incremental.cc
2571 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2573         * incremental.cc (Incremental_inputs_header,
2574         Incremental_inputs_header_write, Incremental_inputs_entry,
2575         Incremental_inputs_entry_write): Add a typedef with the data type.
2577 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2579         * incremental.cc (Incremental_inputs_header,
2580         Incremental_inputs_header_write, Incremental_inputs_entry,
2581         Incremental_inputs_entry_write): Update comment about which
2582         type has the filed descriptions.
2584 2009-11-15  Doug Kwan  <dougkwan@google.com>
2586         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2587         (Arm_relocate_functions::arm_branch_common): Change method defintion
2588         in class definition to a method declaration and update list of formal
2589         parameters.
2590         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2591         Arm_relocation_functions::jump24): Adjust call to
2592         Arm_relocate_functions::arm_branch_common.  Update list of formal
2593         parameters.
2594         (Arm_relocate_functions::xpc25): New method definition.
2595         (Arm_relocate_functions::arm_branch_common): Move method defintion
2596         out from class definition.  Use stubs for mode-switching and extending
2597         branch ranges.
2598         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2599         specially.  Change code to enable use of stubs in ARM branches.
2601 2009-11-10  Doug Kwan  <dougkwan@google.com>
2603         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2604         in method declaration.
2605         (Target_arm::relocate_stub): New method declaration.
2606         (Target_arm::default_target): Change to return a pointer instead of
2607         a const reference.
2608         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2609         Target_arm::default_target.
2610         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2611         method definition.
2612         (Target_arm::relocate_section): Adjust view.
2613         (Target_arm::relocate_stub): New method definition.
2615 2009-11-10  Doug Kwan  <dougkwan@google.com>
2617         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2618         a format warning.
2619         * incremental.cc (open_incremental_binary): Initialized local
2620         variables to avoid warnings.
2621         * object.cc (make_elf_object): Ditto.
2622         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2623         a format warning.
2625 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2627         PR gold/10930
2628         * testsuite/plugin_test.c: Include "config.h".
2630 2009-11-09  Doug Kwan  <dougkwan@google.com>
2632         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2633         (arm_symbol_value): Remove.
2634         (Arm_relocate_functions::arm_branch_common,
2635         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2636         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2637         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2638         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2639         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2640         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2641         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2642         Arm_relocate_functions::thm_mobw_abs_nc,
2643         Arm_relocate_functions::thm_mov_abs,
2644         Arm_relocate_functions::movw_prel_nc,
2645         Arm_relocate_functions::thm_movt_abs,
2646         Arm_relocate_functions::movt_prel,
2647         Arm_relocate_functions::thm_movw_prel_nc,
2648         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2649         (Target_arm::Relocate::relocate): Only decompose address into two
2650         parts if relocation type uses the thumb-bit and pass the actual
2651         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2652         calls to methods in Arm_relocate_functions for this change.
2654 2009-11-08  Ian Lance Taylor  <iant@google.com>
2656         PR 10925
2657         * reloc.cc: Instantiate
2658         Sized_relobj::initialize_input_to_output_maps and
2659         Sized_relobj:free_input_to_output_maps.
2661 2009-11-06  Ian Lance Taylor  <iant@google.com>
2663         PR 10876
2664         * defstd.cc (in_segment): Set only_if_ref true for "end".
2666 2009-11-06  Doug Kwan  <dougkwan@google.com>
2668         * arm.cc (class Reloc_stub): Correct a comment.
2669         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2670         (Target_arm::scan_section_for_stubs): New method declaration.
2671         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2672         Change methods from private to protected.
2673         (Target_arm::do_may_relax): New method definition.
2674         (Target_arm::do_relax, Target_arm::group_sections,
2675         Target_arm::scan_reloc_for_stub,
2676         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2677         (Target_arm::arm_input_section_map_): New data member declaration.
2678         (Target_arm::scan_reloc_for_stub,
2679         Target_arm::scan_reloc_section_for_stubs,
2680         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2681         Target_arm::do_relax): New method definitions.
2683 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2685         * configure.ac: Check for (struct stat)::st_mtim
2686         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2687         * config.in: Regenerate.
2688         * configure: Regenerate.
2690 2009-11-05  Ian Lance Taylor  <iant@google.com>
2692         PR 10910
2693         * output.cc (Output_segment::add_output_section): Add missing
2694         return statement.
2696 2009-11-04  Ian Lance Taylor  <iant@google.com>
2698         PR 10880
2699         * object.h (class Object): Add is_needed and set_is_needed
2700         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2701         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2702         defined in a dynamic object and referenced by a regular object,
2703         set is_needed for the dynamic object.
2704         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2705         if the file is marked with as_needed and it is not needed.
2707 2009-11-04  Ian Lance Taylor  <iant@google.com>
2709         PR 10887
2710         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2711         tags if data is discarded by linker script.
2712         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2713         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2714         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2715         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2717 2009-11-04  Ian Lance Taylor  <iant@google.com>
2719         * layout.cc (Layout::get_output_section): Add is_interp and
2720         is_dynamic_linker_section parameters.  Change all callers.
2721         (Layout::choose_output_section): Likewise.
2722         (Layout::make_output_section): Likewise.
2723         (Layout::add_output_section_data): Add is_dynamic_linker_section
2724         parameter.  Change all callers.
2725         * layout.h (class Layout): Update declarations.
2726         * output.h (class Output_section): Add is_interp, set_is_interp,
2727         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2728         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2729         generate_code_fills_at_write_ to a bitfield.
2730         * output.cc (Output_section::Output_sections): Initialize new
2731         fields.
2732         (Output_segment::add_output_section): Add do_sort parameter.
2733         Change all callers.
2735 2009-11-03  Ian Lance Taylor  <iant@google.com>
2737         PR 10860
2738         * options.h (class General_options): Add --warn-common.
2739         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2740         merging two common symbols.
2741         (Symbol_table::should_override): Handle --warn-common when merging
2742         a common symbol with a defined symbol.  Use report_resolve_problem
2743         for multiple definitions.
2744         (Symbol_table::report_resolve_problem): New function.
2745         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2747 2009-11-03  Doug Kwan  <dougkwan@google.com>
2749         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2750         stub_factory_.
2751         (Target_arm::stub_factory): New method definition.
2752         (Target_arm::new_arm_input_section,
2753         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2754         Target_arm::reloc_uses_thumb_bit): New method declarations.
2755         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2756         New type definitions.
2757         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2758         member declarations.
2759         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2760         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2761         New method definitions.
2763 2009-11-03  Ian Lance Taylor  <iant@google.com>
2765         * options.h (class General_options): Add --warn_constructors.
2767 2009-11-03  Ian Lance Taylor  <iant@google.com>
2769         PR 10893
2770         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2771         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2773 2009-11-03  Ian Lance Taylor  <iant@google.com>
2775         PR 10895
2776         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2777         --msgid-bugs-address.
2778         (install-pdf): New target.
2779         (install-data_yes): Look up one directory to find mkinstalldirs.
2781 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2783         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2784         tree.
2786 2009-10-30  Doug Kwan  <dougkwan@google.com>
2788         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2790 2009-10-30  Doug Kwan  <dougkwan@google.com>
2792         * arm.cc (Stub_addend_reader): New struct template definition
2793         and partial specializations.
2794         (Stub_addend_reader::operator()): New method definition for a
2795         partially specialized template.
2797 2009-10-30  Doug Kwan  <dougkwan@google.com>
2799         * arm.cc (Arm_relobj::processor_specific_flags): New method
2800         definition.
2801         (Arm_relobj::do_read_symbols): New method declaration.
2802         (Arm_relobj::processor_specific_flags_): New data member declaration.
2803         (Arm_dynobj): New class definition.
2804         (Target_arm::do_finalize_sections): Add input_objects parameter.
2805         (Target_arm::do_adjust_elf_header): New method declaration.
2806         (Target_arm::are_eabi_versions_compatible,
2807         (Target_arm::merge_processor_specific_flags): New method declaration.
2808         (Target_arm::do_make_elf_object): New overloaded method definitions
2809         and declaration.
2810         (Arm_relobj::do_read_symbols): New method definition.
2811         (Arm_dynobj::do_read_symbols): Ditto.
2812         (Target_arm::do_finalize_sections): Add input_objects parameters.
2813         Merge processor-specific flags from all input objects.
2814         (Target_arm::are_eabi_versions_compatible,
2815         Target_arm::merge_processor_specific_flags,
2816         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2817         New method definitions.
2818         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2819         Input_objects pointer type parameter.
2820         * layout.cc (Layout::finalize): Pass input objects to target's.
2821         finalize_sections function.
2822         * output.cc (Output_file_header::do_sized_write): Set ELF file
2823         header's processor-specific flags.
2824         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2825         Input_objects pointer type parameter.
2826         * sparc.cc (Target_sparc::do_finalize_sections): Same.
2827         * target.h (Input_objects): New forward class declaration.
2828         (Target::processor_specific_flags,
2829         Target::are_processor_specific_flags_sect): New method definitions.
2830         (Target::finalize_sections): Add input_objects parameter.
2831         (Target::Target): Initialize processor_specific_flags_ and
2832         are_processor_specific_flags_set_.
2833         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2834         parameter.
2835         (Target::set_processor_specific_flags): New method definition.
2836         (Target::processor_specific_flags_,
2837         Target::are_processor_specific_flags_set_): New data member
2838         declarations.
2839         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2840         Input_objects pointer type parameter.
2842 2009-10-30  Doug Kwan  <dougkwan@google.com>
2844         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2846 2009-10-28  Ian Lance Taylor  <iant@google.com>
2848         * object.h (class Relobj): Drop options parameter from
2849         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2850         do_scan_relocs, do_relocate.  Change all callers.
2851         (class Sized_relobj): Drop options parameters from
2852         do_gc_process_relocs, do_scan_relocs, do_relocate,
2853         do_relocate_sections, relocate_sections, emit_relocs_scan,
2854         emit_relocs_scan_reltype.  Change all callers.
2855         (struct Relocate_info): Remove options field and all references to
2856         it.
2857         * reloc.h (class Read_relocs): Remove options constructor
2858         parameter and options_ field.  Change all callers.
2859         (class Gc_process_relocs, class Scan_relocs): Likewise.
2860         (class Relocate_task): Likewise.
2861         * target-reloc.h (scan_relocs): Remove options parameter.  Change
2862         all callers.
2863         (scan_relocatable_relocs): Likewise.
2864         * target.h (class Sized_target): Remove options parameter from
2865         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
2866         all callers.
2867         * gc.h (gc_process_relocs): Remove options parameter.  Change all
2868         callers.
2869         * arm.cc: Update functions to remove options parameters.
2870         * i386.cc: Likewise.
2871         * powerpc.cc: Likewise.
2872         * sparc.cc: Likewise.
2873         * x86_64.cc: Likewise.
2874         * testsuite/testfile.cc: Likewise.
2876 2009-10-28  Doug Kwan  <dougkwan@google.com>
2878         * arm.cc (Arm_relobj): New class definition.
2879         (Arm_relobj::scan_sections_for_stubs, 
2880         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2881         New method definitions.
2883 2009-10-28  Cary Coutant  <ccoutant@google.com>
2885         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2886         (Plugin::cleanup_done_): New member.
2887         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2888         (Plugin_manager::cleanup_done_): Remove.
2889         (Plugin_manager::add_input_file): Edit error message.
2890         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2891         (Plugin_manager::cleanup): Remove use of cleanup_done_.
2893 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
2895         * fileread.cc: (File_read::View::~View): Use the new
2896         data_ownership_ filed.
2897         (File_read::~File_read): Dispose the new whole_file_view_.
2898         (File_read::open): Mmap the whole file if needed.
2899         (File_read::open): Use whole_file_view_ instead of contents_.
2900         (File_read::find_view): Use whole_file_view_ if applicable.
2901         (File_read::do_read): Use whole_file_view_ instead of contents_.
2902         (File_read::make_view): Use whole_file_view_ instead of contents_,
2903         update File_read::View::View call.
2904         (File_read::find_or_make_view): Update File_read::View::View
2905         call.
2906         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2907         remove contents_
2908         (File_read::View::Data_ownership): New enum.
2909         (File_read::View::View): Replace bool mapped_ with Data_ownership
2910         argument.
2911         (File_read::View::mapped_): Remove (replaced by data_ownership_).
2912         (File_read::View::data_ownership_): New field.
2913         (File_read::contents_): Remove (replaced by whole_file_view_).
2914         (File_read::whole_file_view_): New field.
2915         * options.h (class General_options): Add --keep-files-mapped.
2917 2009-10-27  Cary Coutant  <ccoutant@google.com>
2919         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2920         * testsuite/Makefile.am (plugin_test_5): New test case.
2921         * testsuite/Makefile.in: Regenerate.
2923 2009-10-25  Doug Kwan  <dougkwan@google.com>
2925         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2926         from private to protected to allow access by child class.
2927         (Sized_relobj::do_relocate_sections): New method declaration.
2928         (Sized_relobj::relocate_sections): Virtualize.
2929         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
2930         Sized_relobj::relocate_sections.  Instantiate template explicitly
2931         for different target sizes and endianity.
2933 2009-10-24  Doug Kwan  <dougkwan@google.com>
2935         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2936         (Arm_input_section::as_arm_input_section): New method.
2937         (Arm_output_section): New class definition.
2938         (Arm_output_section::create_stub_group,
2939         Arm_output_section::group_sections): New method definitions.
2941 2009-10-22  Doug Kwan  <dougkwan@google.com>
2943         * arm.cc (Arm_input_section): New class definition.
2944         (Arm_input_section::init, Arm_input_section:do_write,
2945         Arm_input_section::set_final_data_size,
2946         Arm_input_section::do_reset_address_and_file_offset): New method
2947         definitions.
2949 2009-10-21  Doug Kwan  <dougkwan@google.com>
2951         * arm.cc (Stub_table, Arm_input_section): New forward class
2952         declarations.
2953         (Stub_table): New class defintion.
2954         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2955         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2956         New method definition.
2958 2009-10-21  Doug Kwan  <dougkwan@google.com>
2960         * arm.cc: Update copyright comments.
2961         (Target_arm): New forward class template declaration.
2962         (Arm_address): New type.
2963         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2964         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2965         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2966         constants.
2967         (Insn_template): Same.
2968         (DEF_STUBS): New macro.
2969         (Stub_type): New enum type.
2970         (Stub_template): New class definition.
2971         (Stub): Same.
2972         (Reloc_stub): Same.
2973         (Stub_factory): Same.
2974         (Target_arm::Target_arm): Initialize may_use_blx_ and
2975         should_force_pic_veneer_.
2976         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2977         Target_arm::should_force_pic_veneer,
2978         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2979         Target_arm::using_thumb_only, Target_arm:;default_target): New
2980         method defintions.
2981         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2982         New data member declarations.
2983         (Insn_template::size, Insn_template::alignment): New method defintions.
2984         (Stub_template::Stub_template): New method definition.
2985         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2986         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2987         (Stub_factory::Stub_factory): New method definition.
2988         * gold.h (string_hash): New template.
2989         * output.h (Input_section_specifier::hash_value): Use
2990         gold::string_hash.
2991         (Input_section_specifier::string_hash): Remove.
2992         * stringpool.cc (Stringpool_template::string_hash): Use
2993         gold::string_hash.
2995 2009-10-20  Doug Kwan  <dougkwan@google.com>
2997         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2998         symbols of relaxed input sections.
2999         * output.h (Output_section::find_relaxed_input_section): Make
3000         method public.
3002 2009-10-16  Doug Kwan  <dougkwan@google.com>
3004         * dynobj.cc (Versions::Versions): Initialize version_script_.
3005         Only insert base version symbol definition for a shared object
3006         if version script defines any version versions.
3007         (Versions::define_base_version): New method definition.
3008         (Versions::add_def): Check that base version is not needed.
3009         (Versions::add_need): Define base version lazily.
3010         * dynobj.h (Versions::define_base_version): New method declaration.
3011         (Versions::needs_base_version_): New data member declaration.
3012         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3013         (check_DATA): Add no_version_test.stdout.
3014         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3015         New make rules.
3016         * testsuite/Makefile.in: Regenerate.
3017         * testsuite/no_version_test.c: New file.
3018         * testsuite/no_version_test.sh: Ditto.
3020 2009-10-16  Doug Kwan  <dougkwan@google.com>
3022         * expression.cc (class Segment_start_expression): New class definition.
3023         (Segment_start_expression::value): New method definition.
3024         (script_exp_function_segment_start): Return a new
3025         Segment_start_expression.
3026         * gold/script-c.h (script_saw_segment_start_expression): New function
3027         prototype.
3028         * script-sections.cc (Script_sections::Script_sections): Initialize
3029         SAW_SEGMENT_START_EXPRESSION_ to false.
3030         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3031         and -Tbbs options to specify section addresses if given in
3032         command line and no SEGMENT_START expression is seen in a script.
3033         * script-sections.h (Script_sections::saw_segment_start_expression,
3034         Script_sections::set_saw_segment_start_expression): New method
3035         definition.
3036         (Script_sections::saw_segment_start_expression_): New data member
3037         declaration.
3038         * script.cc (script_saw_segment_start_expression): New function.
3039         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3040         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3041         script_test_7.sh and script_test_8.sh.
3042         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3043         script_test_8.stdout.
3044         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3045         (script_test_6, script_test_6.stdout, script_test_7,
3046         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3047         * Makefile.in: Regenerate.
3048         * testsuite/script_test_6.sh: New file.
3049         * testsuite/script_test_6.t: Same.
3050         * testsuite/script_test_7.sh: Same.
3051         * testsuite/script_test_7.t: Same.
3052         * testsuite/script_test_8.sh: Same.
3054 2009-10-16  Doug Kwan  <dougkwan@google.com>
3056         * output.cc (Output_segment::set_section_list_address): Cast
3057         expressions to unsigned long long type to avoid format warnings.
3059 2009-10-15  Ian Lance Taylor  <iant@google.com>
3061         * script.cc (Script_options::add_symbol_assignment): Always add a
3062         dot assignment to script_sections_.
3063         * script-sections.cc (Script_sections::add_dot_assignment):
3064         Initialize if necessary.
3066         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3067         program headers with no load segment if there is a linker script.
3069         * layout.cc (Layout::set_segment_offsets): Align the file offset
3070         to the segment aligment for -N or -n with no load segment.
3071         * output.cc (Output_segment::add_output_section): Don't crash if
3072         the first section is a TLS section.
3073         (Output_segment::set_section_list_addresses): Print an error
3074         message if the address moves backward in a linker script.
3075         * script-sections.cc
3076         (Output_section_element_input::set_section_addresses): Don't
3077         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3078         (Orphan_output_section::set_section_addresses): Likewise.
3080 2009-10-15  Doug Kwan  <dougkwan@google.com>
3082         * layout.cc (Layout::finish_dynamic_section): Generate tags
3083         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3084         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3085         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3087 2009-10-14  Ian Lance Taylor  <iant@google.com>
3089         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3090         fields.
3091         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3092         data_shdr fields of relinfo.
3093         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3094         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3095         R_386_TLS_LDO_32, adjust based on section flags.
3096         (Target_i386::Relocate::fix_up_ldo): Remove.
3098 2009-10-13  Ian Lance Taylor  <iant@google.com>
3100         Add support for -pie.
3101         * options.h (class General_options): Add -pie and
3102         --pic-executable.
3103         (General_options::output_is_position_independent): Test -pie.
3104         (General_options::output_is_executable): Return true if not shared
3105         and not relocatable.
3106         (General_options::output_is_pie): Remove.
3107         * options.cc (General_options::finalize): Reject incompatible uses
3108         of -pie.
3109         * gold.cc (queue_middle_tasks): A -pie link is not static.
3110         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3111         * symtab.cc (Symbol::final_value_is_known): Return false if
3112         output_is_position_independent.
3113         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3114         output_is_position_independent.
3115         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3116         output_is_position_independent.
3117         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3118         output_is_position_independent.
3119         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3120         two_file_pie_test.
3121         (basic_pie_test.o, basic_pie_test): New targets.
3122         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3123         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3124         (two_file_pie_test): New target.
3125         * testsuite/Makefile.in: Rebuild.
3126         * README: Remove note saying that -pie is not supported.
3128 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3130         * options.h (class General_options): Add -init and -fini.
3131         * layout.cc (Layout::finish_dynamic_section): Emit
3132         given init and fini functions.
3134 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3136         * gc.h (gc_process_relocs): Check if icf is enabled using new
3137         function.
3138         * gold.cc (queue_initial_tasks): Likewise.
3139         (queue_middle_tasks): Likewise.
3140         * object.cc (do_layout): Likewise.
3141         * symtab.cc (is_section_folded): Likewise.
3142         * main.cc (main): Likewise.
3143         * reloc.cc (Read_relocs::run): Likewise.
3144         (Sized_relobj::do_scan_relocs): Likewise.
3145         * icf.cc (is_function_ctor_or_dtor): New function.
3146         (Icf::find_identical_sections): Check if function is ctor or dtor when
3147         safe icf is chosen.
3148         * options.h (General_options::icf): Change option to be an enum.
3149         (Icf_status): New enum.
3150         (icf_enabled): New method.
3151         (icf_safe_folding): New method.
3152         (set_icf_status): New method.
3153         (icf_status_): New variable.
3154         * (options.cc) (General_options::finalize): Set icf_status_.
3155         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3156         icf_test and icf_keep_unique_test to use the --icf enum flag.
3157         * testsuite/icf_safe_test.sh: New file.
3158         * testsuite/icf_safe_test.cc: New file. 
3160 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3162         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3163         includes to gc.h and icf.h.
3164         * arm.cc: Include gc.h.
3165         * gold.cc: Likewise.
3166         * i386.cc: Likewise.
3167         * powerpc.cc: Likewise.
3168         * sparc.cc: Likewise.
3169         * x86_64.cc: Likewise.
3170         * gc.h: Include icf.h.
3172 2009-10-11  Ian Lance Taylor  <iant@google.com>
3174         * plugin.cc: Include "gold.h" before other header files.
3176 2009-10-10  Chris Demetriou  <cgd@google.com>
3178         * options.h (Input_file_argument::Input_file_type): New enum.
3179         (Input_file_argument::is_lib_): Replace with...
3180         (Input_file_argument::type_): New member.
3181         (Input_file_argument::Input_file_argument): Take Input_file_type
3182         'type' rather than boolean 'is_lib' as second argument.
3183         (Input_file_argument::is_lib): Use type_.
3184         (Input_file_argument::is_searched_file): New function.
3185         (Input_file_argument::may_need_search): Handle is_searched_file.
3186         * options.cc (General_options::parse_library): Support -l:filename.
3187         (General_options::parse_just_symbols): Update for Input_file_argument
3188         changes.
3189         (Command_line::process): Likewise.
3190         * archive.cc (Archive::get_file_and_offset): Likewise.
3191         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3192         * script.cc (read_script_file, script_add_file): Likewise.
3193         * fileread.cc (Input_file::Input_file): Likewise.
3194         (Input_file::will_search_for): Handle is_searched_file.
3195         (Input_file::open): Likewise.
3196         * readsyms.cc (Read_symbols::get_name): Likewise.
3197         * testsuite/Makefile.am (searched_file_test): New test.
3198         * testsuite/Makefile.in: Regenerate.
3199         * testsuite/searched_file_test.cc: New file.
3200         * testsuite/searched_file_test_lib.cc: New file.
3202 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3203             Ian Lance Taylor  <iant@google.com>
3205         * descriptor.cc: Include <cstdio> and "binary-io.h".
3206         (Descriptors::open): Open the files in binary mode always.
3207         * script.cc (Lex::get_token): Treat \r as whitespace.
3209 2009-10-09  Ian Lance Taylor  <iant@google.com>
3211         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3213 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3214             Ian Lance Taylor  <iant@google.com>
3216         * configure.ac: Check for readv function also.
3217         * fileread.cc (readv): Define if not HAVE_READV.
3218         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3219         does not exist.
3220         * config.in: Regenerate.
3221         * configure: Regenerate.
3223 2009-10-09  Doug Kwan  <dougkwan@google.com>
3225         * layout.cc (Layout::make_output_section): Call target hook to make
3226         ordinary output section.
3227         (Layout::finalize): Adjust parameter list of call the
3228         Target::may_relax().
3229         * layout.h (class Layout::section_list): New method.
3230         * merge.h (Output_merge_base::entsize): Change visibility to public.
3231         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3232         New methods.
3233         (Output_merge_string::do_is_string): New method.
3234         * object.cc (Sized_relobj::do_setup): renamed from
3235         Sized_relobj::set_up.
3236         * object.h (Sized_relobj::adjust_shndx,
3237         Sized_relobj::initializ_input_to_output_maps,
3238         Sized_relobj::free_input_to_output_maps): Change visibilities to
3239         protected.
3240         (Sized_relobj::setup): Virtualize.
3241         (Sized_relobj::do_setup): New method declaration.
3242         (Sized_relobj::invalidate_section_offset,
3243         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3244         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3245         * options.cc (parse_int): New function.
3246         * options.h (parse_int): New declaration.
3247         (DEFINE_int): New macro.
3248         (stub_group_size): New option.
3249         * output.cc (Output_section::Output_section): Initialize memebers
3250         merge_section_map_, merge_section_by_properties_map_,
3251         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3252         (Output_section::add_input_section): Handled deferred code-fill
3253         generation and remove an old comment.
3254         (Output_section::add_relaxed_input_section): New method definition.
3255         (Output_section::add_merge_input_section): Use merge section by
3256         properties map to speed to search.  Update merge section maps
3257         as appropriate.
3258         (Output_section::build_relaxation_map): New method definition.
3259         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3260         Same.
3261         (Output_section::relax_input_section): Renamed to
3262         Output_section::convert_input_sections_to_relaxed_sections and change
3263         interface to take a vector of pointers to relaxed sections.
3264         (Output_section::find_merge_section,
3265         Output_section::find_relaxed_input_section): New method definitions.
3266         (Output_section::is_input_address_mapped,
3267         Output_section::output_offset, Output_section::output_address):
3268         Use output section data maps to speed up searching.
3269         (Output_section::find_starting_output_address): Add comments.
3270         (Output_section::do_write,
3271         Output_section::write_to_postprocessing_buffer): Do code-fill
3272         generation as appropriate.
3273         (Output_section::get_input_sections): Invalidate relaxed input section
3274         map.
3275         (Output_section::restore_states): Adjust type of checkpoint .
3276         Invalidate relaxed input section map.
3277         * output.h (Output_merge_base): New class declaration.
3278         (Input_section_specifier): New class defintion.
3279         (class Output_relaxed_input_section) Change base class to
3280         Output_section_data_build.
3281         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3282         base class initializer.
3283         (Output_section::add_relaxed_input_section): New method declaration.
3284         (Output_section::Input_section): Change visibility to protected.
3285         (Output_section::Input_section::relobj,
3286         Output_section::Input_section::shndx): Handle relaxed input sections.
3287         Output_section::input_sections) Change visibility to protected.  Also
3288         define overload to return a non-const pointer.
3289         (Output_section::Merge_section_properties): New class defintion.
3290         (Output_section::Merge_section_by_properties_map,
3291         Output_section::Output_section_data_by_input_section_map,
3292         Output_section::Relaxation_map): New types.
3293         (Output_section::relax_input_section): Rename method to
3294         Output_section::convert_input_sections_to_relaxed_sections and change
3295         interface to take a vector of relaxed section pointers.
3296         (Output_section::find_merge_section,
3297         Output_section::find_relaxed_input_section,
3298         Output_section::build_relaxation_map,
3299         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3300         New method declarations.
3301         (Output_section::merge_section_map_
3302         Output_section::merge_section_by_properties_map_,
3303         Output_section::relaxed_input_section_map_,
3304         Output_section::is_relaxed_input_section_map_valid_,
3305         Output_section::generate_code_fills_at_write_): New data members.
3306         * script-sections.cc
3307         (Output_section_element_input::set_section_addresses): Call
3308         current_data_size and addralign methods of relaxed input sections.
3309         (Orphan_output_section::set_section_addresses): Call current_data_size
3310         and addralign methods of relaxed input sections.
3311         * symtab.cc (Symbol_table::compute_final_value): Extract template
3312         from the body of Symbol_table::sized_finalize_symbol.
3313         (Symbol_table::sized_finalized_symbol): Call
3314         Symbol_table::compute_final_value.
3315         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3316         (Symbol_table::compute_final_value): New templated method declaration.
3317         * target.cc (Target::do_make_output_section): New method defintion.
3318         * target.h (Target::make_output_section): New method declaration.
3319         (Target::relax): Add more parameters for input objects, symbol table
3320         and layout.  Adjust call to do_relax.
3321         (Target::do_make_output_section): New method declaration.
3322         (Target::do_relax): Add parameters for input objects, symbol table
3323         and layout.
3325 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3327         * pread.c: Include stdio.h.
3329 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3331         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3332         defined.
3334 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3336         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3337         Change read_shndx type to unsigned int.
3338         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3339         int.
3340         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3341         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3342         Change read_shndx type to unsigned int.
3343         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3344         int.
3345         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3346         * layout.cc (Layout::create_symtab_sections): Cast the result of
3347         local_symcount * symsize to off_t in the gold_assert.
3349 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3351         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3352         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3353         R_ARM_BASE_ABS.
3354         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3355         (Arm_relocate_functions::thm_abs5): New function.
3356         (Arm_relocate_functions::abs12): New function.
3357         (Arm_relocate_functions::abs16): New function.
3358         (Arm_relocate_functions::base_abs): New function.
3359         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3360         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3361         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3362         R_ARM_BASE_ABS.
3363         (Scan::global): Likewise.
3364         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3365         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3366         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3367         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3368         R_ARM_BASE_ABS.
3370 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3372         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3373         (Arm_relocate_functions::movt_prel): New function.
3374         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3375         (Arm_relocate_functions::thm_movt_prel): New function.
3376         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3377         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3378         (Scan::global, Relocate::relocate): Likewise.
3379         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3381 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3383         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3384         Incremental_checker.
3385         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3386         unsigned int.
3387         (class Incremental_inputs_header): New class.
3388         (Incremental_inputs_header_writer): Edit comment.
3389         (Incremental_inputs_entry): New class.
3390         (Incremental_inputs_entry_writer): Edit comment.
3391         (Sized_incremental_binary::do_find_incremental_inputs_section):
3392         Add *strtab_shndx parameter, fill it.
3393         (Sized_incremental_binary::do_check_inputs): New method.
3394         (Incremental_checker::can_incrementally_link_output_file): Use
3395         Sized_incremental_binary::check_inputs.
3396         (Incremental_inputs::report_command_line): Save command line in
3397         command_line_.
3398         * incremental.h:
3399         (Incremental_binary::find_incremental_inputs_section): New
3400         method.
3401         (Incremental_binary::do_find_incremental_inputs_section): Add
3402         strtab_shndx parameter.
3403         (Incremental_binary::do_check_inputs): New pure virtual method.
3404         (Sized_incremental_binary::do_check_inputs): Declare.
3405         (Incremental_checker::Incremental_checker): Add incremental_inputs
3406         parameter, use it to initialize incremental_inputs_.
3407         (Incremental_checker::incremental_inputs_): New field.
3408         (Incremental_checker::command_line): New method.
3409         (Incremental_checker::inputs): New method.
3410         (Incremental_checker::command_line_): New field.
3412 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3414         * incremental.cc: Include <cstdarg> and "target-select.h".
3415         (vexplain_no_incremental): New function.
3416         (explain_no_incremental): New function.
3417         (Incremental_binary::error): New method.
3418         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3419         method.
3420         (make_sized_incremental_binary): New function.
3421         (open_incremental_binary): New function.
3422         (can_incrementally_link_file): Add checks if output is ELF and has
3423         inputs section.
3424         * incremental.h: Include "elfcpp_file.h" and "output.h".
3425         (Incremental_binary): New class.
3426         (Sized_incremental_binary): New class.
3427         (open_incremental_binary): Declare.
3428         * object.cc (is_elf_object): Use
3429         elfcpp::Elf_recognizer::is_elf_file.
3430         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3431         * output.h (Output_file::filesize): New method.
3433 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3435         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3436         New function.
3437         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3438         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3439         function.
3440         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3441         function.
3442         (Arm_relocate_functions::movw_abs_nc): New function.
3443         (Arm_relocate_functions::movt_abs): New function.
3444         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3445         (Arm_relocate_functions::thm_movt_abs): New function.
3446         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3447         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3448         (Scan::global): Likewise.
3449         (Relocate::relocate): Likewise.
3450         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3452 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3454         * arm.cc (Arm_relocate_functions::got_prel) New function.
3455         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3456         (Relocate::relocate): Likewise.
3457         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3459 2009-10-06  Ian Lance Taylor  <iant@google.com>
3461         * options.h (class General_options): Define
3462         split_stack_adjust_size parameter.
3463         * object.h (class Object): Add uses_split_stack_ and
3464         has_no_split_stack_ fields.  Add uses_split_stack and
3465         has_no_split_stack accessor functions.  Declare
3466         handle_split_stack_section.
3467         (class Reloc_symbol_changes): Define.
3468         (class Sized_relobj): Define Function_offsets.  Declare
3469         split_stack_adjust, split_stack_adjust_reltype, and
3470         find_functions.
3471         * object.cc (Object::handle_split_stack_section): New function.
3472         (Sized_relobj::do_layout): Call handle_split_stack_section.
3473         * dynobj.cc (Sized_dynobj::do_layout): Call
3474         handle_split_stack_section.
3475         * reloc.cc (Sized_relobj::relocate_sections): Call
3476         split_stack_adjust for executable sections in split_stack
3477         objects.  Pass reloc_map to relocate_section.
3478         (Sized_relobj::split_stack_adjust): New function.
3479         (Sized_relobj::split_stack_adjust_reltype): New function.
3480         (Sized_relobj::find_functions): New function.
3481         * target-reloc.h: Include "object.h".
3482         (relocate_section): Add reloc_symbol_changes parameter.  Change
3483         all callers.
3484         * target.h (class Target): Add calls_non_split method.  Declare
3485         do_calls_non_split virtual method.  Declare match_view and
3486         set_view_to_nop.
3487         * target.cc: Include "elfcpp.h".
3488         (Target::do_calls_non_split): New function.
3489         (Target::match_view): New function.
3490         (Target::set_view_to_nop): New function.
3491         * gold.cc (queue_middle_tasks): Give an error if mixing
3492         split-stack and non-split-stack objects with -r.
3493         * i386.cc (Target_i386::relocate_section): Add
3494         reloc_symbol_changes parameter.
3495         (Target_i386::do_calls_non_split): New function.
3496         * x86_64.cc (Target_x86_64::relocate_section): Add
3497         reloc_symbol_changes parameter.
3498         (Target_x86_64::do_calls_non_split): New function.
3499         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3500         parameter.
3501         * powerpc.cc (Target_powerpc::relocate_section): Add
3502         reloc_symbol_changes parameter.
3503         * sparc.cc (Target_sparc::relocate_section): Add
3504         reloc_symbol_changes parameter.
3505         * configure.ac: Call AM_CONDITIONAL for the default target.
3506         * configure: Rebuild.
3507         * testsuite/Makefile.am (TEST_AS): New variable.
3508         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3509         (check_DATA): Add split_i386 and split_x86_64 files.
3510         (SPLIT_DEFSYMS): Define.
3511         (split_i386_[1234n].o): New targets.
3512         (split_i386_[124]): New targets.
3513         (split_i386_[1234r].stdout): New targets.
3514         (split_x86_64_[1234n].o): New targets.
3515         (split_x86_64_[124]): New targets.
3516         (split_x86_64_[1234r].stdout): New targets.
3517         (MOSTLYCLEANFILES): Add new executables.
3518         * testsuite/split_i386.sh: New file.
3519         * testsuite/split_x86_64.sh: New file.
3520         * testsuite/split_i386_1.s: New file.
3521         * testsuite/split_i386_2.s: New file.
3522         * testsuite/split_i386_3.s: New file.
3523         * testsuite/split_i386_4.s: New file.
3524         * testsuite/split_i386_n.s: New file.
3525         * testsuite/split_x86_64_1.s: New file.
3526         * testsuite/split_x86_64_2.s: New file.
3527         * testsuite/split_x86_64_3.s: New file.
3528         * testsuite/split_x86_64_4.s: New file.
3529         * testsuite/split_x86_64_n.s: New file.
3530         * testsuite/testfile.cc (Target_test): Update relocation_section
3531         function.
3532         * testsuite/Makefile.in: Rebuild.
3534 2009-10-06  Ian Lance Taylor  <iant@google.com>
3536         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3537         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3538         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3539         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3540         the address on ldo_addrs_.
3541         (Target_i386::Relocate::fix_up_ldo): New function.
3543 2009-10-06   Rafael Espindola  <espindola@google.com>
3545         * plugin.cc (add_input_library): New.
3546         (Plugin::load): Add add_input_library to tv.
3547         (Plugin_manager::add_input_file): Add the is_lib argument.
3548         (add_input_file): Update call to Plugin_manager::add_input_file.
3549         (add_input_library): New.
3550         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3552 2009-09-30  Doug Kwan  <dougkwan@google.com>
3554         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3555         symbol and call Symbol::may_need_copy_reloc to determine if
3556         a copy reloc is needed.
3557         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3558         nocopyreloc is given in command line.
3559         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3560         given in command line.
3561         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3562         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3563         of the removed Target_i386::may_need_copy_reloc.
3564         * options.h (copyreloc): New option with default value false.
3565         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3566         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3567         instead of the removed Target_powerpc::may_need_copy_reloc.
3568         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3569         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3570         instead of the removed Target_sparc::may_need_copy_reloc.
3571         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3572         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3573         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3574         instead of the removed Target_x86_64::may_need_copy_reloc.
3576 2009-09-30  Ian Lance Taylor  <iant@google.com>
3578         * object.h (class Object): Remove target_ field, and target,
3579         sized_target, and set_target methods.
3580         (Object::sized_target): Remove.
3581         (class Sized_relobj): Update declarations.  Remove sized_target.
3582         * object.cc (Sized_relobj::setup): Remove target parameter.
3583         Change all callers.
3584         (Input_objects::add_object): Don't do anything with the target.
3585         (make_elf_sized_object): Add punconfigured parameter.  Change all
3586         callers.  Set or test parameter target.
3587         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3588         Change all callers.
3589         * parameters.cc (Parameters::set_target): Change parameter type to
3590         be non-const.
3591         (Parameters::default_target): Remove.
3592         (set_parameters_target): Change parameter type to be non-const.
3593         (parameters_force_valid_target): New function.
3594         (parameters_clear_target): New function.
3595         * parameters.h (class Parameters): Update declarations.  Remove
3596         default_target method.  Add sized_target and clear_target
3597         methods.  Change target_ to be non-const.
3598         (set_parameters_target): Update declaration.
3599         (parameters_force_valid_target): Declare.
3600         (parameters_clear_target): Declare.
3601         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3602         as NULL if we aren't searching.
3603         (Add_symbols::run): Don't check for compatible target.
3604         * fileread.cc (Input_file::open_binary): Call
3605         parameters_force_valid_target.
3606         * gold.cc (queue_middle_tasks): Likewise.
3607         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3608         set_target on object.
3609         * dynobj.h (class Sized_dynobj): Update declarations.
3610         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3611         make_elf_object returns NULL.
3612         (Archive::include_member): Don't check whether object target is
3613         compatible.
3614         * output.cc (Output_section::add_input_section): Get target from
3615         parameters.
3616         (Output_section::relax_input_section): Likewise.
3617         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3618         parameters.
3619         (Sized_relobj::do_scan_relocs): Likewise.
3620         (Sized_relobj::relocate_sections): Likewise.
3621         * resolve.cc (Symbol_table::resolve): Likewise.
3622         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3623         parameter.  Change all callers.
3624         (Symbol_table::add_from_object): Get target from parameters.
3625         (Symbol_table::add_from_relobj): Don't check object target.
3626         (Symbol_table::add_from_dynobj): Likewise.
3627         (Symbol_table::define_special_symbol): Get target from
3628         parameters.
3629         * symtab.h (class Symbol_table): Update declaration.
3630         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3631         parameter.  Change all callers.  Clear parameter target.
3632         (Binary_test): Test target here.
3633         * testsuite/object_unittest.cc (gold_testsuite): Remove
3634         target_test_pointer parameter.  Change all callers.
3635         (Object_test): Test target here.
3637 2009-09-26  Ian Lance Taylor  <iant@google.com>
3639         * testsuite/initpri1.c: Don't try to use constructor priorities if
3640         compiling with gcc before 4.3.
3642 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3644         * testsuite/retain_symbols_file_test.sh (check_present): Change
3645         output file name to retain_symbols_file_test.stdout.
3646         (check_absent): Likewise.
3648 2009-09-18  Craig Silverstein  <csilvers@google.com>
3650         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3651         * options.cc: Include <cerrno> and <fstream>.
3652         (General_options::finalize): Parse -retain-symbols-file tag.
3653         * options.h: New flag.
3654         (General_options): New method should_retain_symbol, new
3655         variable symbols_to_retain.
3656         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3657         should_retain_symbol map.
3658         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3659         * testsuite/Makefile.in: Regenerate.
3660         * testsuite/retain_symbols_file_test.sh: New file.
3662 2009-09-18  Nick Clifton  <nickc@redhat.com>
3664         * po/es.po: Updated Spanish translation.
3666 2009-09-17  Doug Kwan  <dougkwan@google.com>
3668         * debug.h (DEBUG_RELAXATION): New constant.
3669         (DEBUG_ALL): Add DEBUG_RELAXATION.
3670         (debug_string_to_enum): Add relaxation debug option.
3671         * layout.cc
3672         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3673         Layout::Relaxation_debug_check::read_sections,
3674         Layout::Relaxation_debug_check::read_sections): New method definitions.
3675         (Layout::Layout): Initialize data members
3676         record_output_section_data_from_scrips_,
3677         script_output_section_data_list_ and relaxation_debug_check_.
3678         (Layout::save_segments, Layout::restore_segments,
3679         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3680         Layout::relaxation_loop_body): New method definitions.
3681         (Layout::finalize): Support relaxation.  Move section layout code to
3682         Layout::relaxation_loop_body.
3683         (Layout::set_asection_address_from_script): Move code for orphan
3684         section placement out.
3685         (Layout::place_orphan_sections_in_script): New method definition.
3686         * layout.h (Output_segment_headers, Output_file_header):
3687         New forward class declarations.
3688         (Layout::~Layout): Define.
3689         (Layout::new_output_section_data_from_script): New method definition.
3690         (Layout::place_orphan_sections_in_script): New method declaration.
3691         (Layout::Segment_states): New type declaration.
3692         (Layout::save_segments, Layout::restore_segments,
3693         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3694         Layout::relaxation_loop_body): New method declarations.
3695         (Layout::Output_section_data_list): New type declaration.
3696         (Layout::Relaxation_debug_check): New class definition.
3697         (Layout::record_output_section_data_from_script_,
3698         Layout::script_output_section_data_list_, Layout::segment_states_,
3699         Layout::relaxation_debug_check_): New data members.
3700         * output.cc: (Output_section_headers::do_size): New method definition.
3701         (Output_section_headers::Output_section_headers): Move size
3702         computation to Output_section_headers::do_size.
3703         (Output_segment_headers::do_size): New method definition.
3704         (Output_file_header::Output_file_header): Move size computation to 
3705         Output_file_header::do_size and call it.
3706         (Output_file_header::do_size): New method definition.
3707         (Output_data_group::Output_data_group): Adjust call to
3708         Output_section_data.
3709         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3710         (Output_symtab_xindex::do_write): Add array bound check.
3711         (Output_section::Input_section::print_to_mapfile): Handle
3712         RELAXED_INPUT_SECTION_CODE.
3713         (Output_section::Output_section): Initialize data member checkpoint_.
3714         (Output_section::~Output_section): Delete checkpoint object pointed
3715         by checkpoint_.
3716         (Output_section::add_input_section): Always add an Input_section if
3717         relaxing.
3718         (Output_section::add_merge_input_section): Add assert.
3719         (Output_section::relax_input_section): New method definition.
3720         (Output_section::set_final_data_size): Set load address to zero for
3721         an unallocated section.
3722         (Output_section::do_address_and_file_offset_have_reset_values):
3723         New method definition.
3724         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3725         Handle relaxed input section.
3726         (Output_section::sort_attached_input_sections): Checkpoint input
3727         section list lazily.
3728         (Output_section::get_input_sections): Change type of input_sections to
3729         list of Simple_input_section pointers.  Checkpoint input section list
3730         lazily.  Also handle relaxed input sections.
3731         (Output_section::add_input_section_for_script): Take a reference to
3732         a Simple_input_section object instead of Relobj pointer and section
3733         index as parameter.  Handle relaxed input sections.
3734         (Output_section::save_states, Output_section::restore_states): New
3735         method definitions.
3736         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3737         (Output_data::is_data_size_fixed): New method definition.
3738         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3739         if it is fixed.
3740         (Output_data::address_and_file_offset_have_reset_values): New method
3741         definition.
3742         (Output_data::do_address_and_file_offset_have_reset_values): New method
3743         definition.
3744         (Output_data::set_data_size): Check that data size is not fixed.
3745         (Output_data::fix_data_size): New method definition.
3746         (Output_data::is_data_size_fixed_): New data member.
3747         (Output_section_headers::set_final_data_size): New method definition.
3748         (Output_section_headers::do_size): New method declaration.
3749         (Output_segment_headers::set_final_data_size): New method definition.
3750         (Output_segment_headers::do_size): New method declaration.
3751         (Output_file_header::set_final_data_size)::New method definition.
3752         (Output_file_header::do_size)::New method declaration.
3753         (Output_section_data::Output_section_data): Add new parameter
3754         is_data_size_fixed and use it to fix data size.
3755         (Output_data_const::Output_data_const): Adjust call to base class
3756         constructor and fix data size.
3757         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3758         base class constructor and fix data size.
3759         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3760         base class constructor and fix data size.
3761         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3762         class constructor and fix data size.
3763         (Output_data_group::set_final_data_size): New method definition.
3764         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3765         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3766         class constructor and fix data size.
3767         (Output_relaxed_input_section): New class definition.
3768         (Output_section::Simple_input_section): New class definition.
3769         (Output_section::get_input_sections): Adjust parameter list.
3770         (Output_section::add_input_section_for_script): Same.
3771         (Output_section::save_states, Output_section::restore_states,
3772         Output_section::do_address_and_file_offset_have_reset_values,
3773         (Output_section::Input_section::Input_section): Handle
3774         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3775         Output_relaxed_input_section.
3776         (Output_section::Input_section::is_input_section,
3777         Output_section::Input_section::set_output_section): Handle relaxed
3778         input section.
3779         (Output_section::Input_section::is_relaxed_input_section,
3780         Output_section::Input_section::output_section_data,
3781         Output_section::Input_section::relaxed_input_section): New method
3782         definitions.
3783         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3784         value.
3785         (Output_section::Input_section::u1_): Update comments.
3786         (Output_section::Input_section::u2_): Add new union member poris.
3787         (Output_section::Checkpoint_output_section): New classs definition.
3788         (Output_section::relax_input_section): New method declaration.
3789         (Output_section::checkpoint_): New data member.
3790         (Output_segment): Update comments.
3791         (Output_segment::Output_segment): Un-privatize copy constructor.
3792         (Output_segment::operator=): Un-privatize.
3793         * script-sections.cc (Output_section_element::Input_section_list):
3794         Change element type to Output_section::Simple_input_section.
3795         (Output_section_element_dot_assignment::set_section_addresses):
3796         Register output section data for relaxation clean up.
3797         (Output_data_exression::Output_data_expression): Adjust call to base
3798         constructor to fix data size.
3799         (Output_section_element_data::set_section_addresses): Register
3800         Output_data_expression object for relaxation clean up.
3801         (struct Input_section_info): Replace Relobj pointer and section index
3802         pair with Output_section::Simple_input_section and Convert struct to a
3803         class.
3804         (Input_section_sorter::operator()): Adjust access to
3805         Input_section_info data member to use accessors. 
3806         (Output_section_element_input::set_section_addresses): Use layout
3807         parameter.  Adjust code to use Output_section::Simple_input_section
3808         and Input_secction_info classes.  Register filler for relaxation
3809         clean up.
3810         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3811         and section index pair with Output_section::Simple_input_section
3812         class.  Adjust code accordingly.
3813         (Phdrs_element::release_segment): New method definition.
3814         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3815         segment list.
3816         (Script_sections::release_segments): New method definition.
3817         * gold/script-sections.h (Script_sections::release_segments): New
3818         method declaration.
3819         * gold/target.h (Target::may_relax, Target::relax,
3820         Target::do_may_relax, Target::do_relax): New method definitions.
3822 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3824         * arm.cc (has_signed_unsigned_overflow): New function.
3825         (Arm_relocate_functions::abs8): New function.
3826         (Target_arm::Scan::local): Handle R_ARM_ABS8.
3827         (Target_arm::Scan::global): Likewise.
3828         (Target_arm::relocate::relocate): Likewise.
3829         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3830         Likewise.
3832 2009-09-16  Cary Coutant  <ccoutant@google.com>
3834         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3835         * testsuite/Makefile.in: Regenerate.
3837 2009-09-11  Nick Clifton  <nickc@redhat.com>
3839         * po/gold.pot: Updated by the Translation project.
3841 2009-09-08  Cary Coutant  <ccoutant@google.com>
3843         * output.cc (Output_file::open): Add execute permission to empty file.
3844         * testsuite/Makefile.am (permission_test): New test.
3845         * testsuite/Makefile.in: Regenerate.
3847 2009-09-02  Ian Lance Taylor  <iant@google.com>
3849         * output.cc (Output_file::resize): Call map_no_anonymous rather
3850         than map.
3852 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
3854         * gold.cc: Include "incremental.h".
3855         (queue_initial_tasks): Call Incremental_checker methods.
3856         * incremental.cc: Include "output.h".
3857         (Incremental_checker::can_incrementally_link_output_file): New
3858         method.
3859         * incremental.h (Incremental_checker): New class.
3861         * output.cc (Output_file::open_for_modification): New method.
3862         (Output_file::map_anonymous): Changed return type to bool.  Record
3863         map in base_ field.
3864         (Output_file::map_no_anonymous): New method, broken out of map.
3865         (Output_file::map): Use map_no_anonymous and map_anonymous.
3866         * output.h (class Output_file): Update declarations.
3868 2009-08-24  Cary Coutant  <ccoutant@google.com>
3870         * options.h (Command_line::Pre_options): New class.
3871         (Command_line::pre_options): New member.
3872         * options.cc (gold::options::ready_to_register): New variable.
3873         (One_option::register_option): Do nothing if not registering options.
3874         Assert if same short option registered twice.
3875         (General_options::General_options): Turn off option registration when
3876         done constructing.
3877         (Command_line::Pre_options::Pre_options): New constructor.
3879 2009-08-24  Cary Coutant  <ccoutant@google.com>
3881         * options.h (General_options::no_keep_memory): Remove incorrect
3882         short option.
3884 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3886         * Makefile.am (am__skiplex, am__skipyacc): New.
3887         * Makefile.in: Regenerate.
3889 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3891         * Makefile.am (AM_CPPFLAGS): Renamed from ...
3892         (INCLUDES): ... this.
3893         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3894         (AM_CPPFLAGS): Renamed from ...
3895         (INCLUDE): ... this.
3896         * Makefile.in, testsuite/Makefile.in: Regenerate.
3898         * Makefile.in: Regenerate.
3899         * aclocal.m4: Likewise.
3900         * config.in: Likewise.
3901         * configure: Likewise.
3902         * testsuite/Makefile.in: Likewise.
3904         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3905         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3906         * Makefile.in: Regenerate.
3907         * testsuite/Makefile.in: Regenerate.
3909 2009-08-19  Cary Coutant  <ccoutant@google.com>
3911         * resolve.cc (Symbol_table::resolve): Don't complain about defined
3912         symbols in shared libraries overridden by hidden or internal symbols
3913         in the main program.
3915 2009-08-19  Chris Demetriou  <cgd@google.com>
3917         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3918         checking source file names in error messages.
3920 2009-08-18  Doug Kwan  <dougkwan@google.com>
3922         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3923         an elcpp::Ehdr as parameter.  Adjust call to set_target.
3924         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3925         an elfcpp::Ehdr as parameter.
3926         * object.cc (Object::set_target): Remove the version that looks up
3927         a target and sets it.
3928         (Sized_relobj::setup): Take a Target object instead of
3929         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3930         (make_elf_sized_object): Find target and ask target to
3931         make an ELF object.
3932         * object.h: (Object::set_target): Remove the version that looks up
3933         a target and sets it.
3934         (Sized_relobj::setup): Take a Target object instead of
3935         an elfcpp:Ehdr as parameter.
3936         * target.cc: Include dynobj.h.
3937         (Target::do_make_elf_object_implementation): New.
3938         (Target::do_make_elf_object): New.
3939         * target.h (Target::make_elf_object): New template declaration.
3940         (Target::do_make_elf_object): New method declarations.
3941         (Target::do_make_elf_object_implementation): New template declaration.
3943 2009-08-14  Ian Lance Taylor  <iant@google.com>
3945         * gold.h (FUNCTION_NAME): Define.
3946         (gold_unreachable): Use FUNCTION_NAME.
3948 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3950         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3951         symbol in the --keep-unique list is not found.
3953 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3955         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3956         been maked as --keep-unique.
3957         (Icf::unfold_section): New function.
3958         * icf.h (Icf::unfold_section): New function.
3959         * options.h (General_options::keep_unique): New option.
3960         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3961         * testsuite/Makefile.in: Regenerate.
3962         * testsuite/icf_keep_unique_test.sh: New file.
3963         * testsuite/icf_keep_unique_test.cc: New file.
3965 2009-08-12  Cary Coutant  <ccoutant@google.com>
3967         PR 10471
3968         * resolve.cc (Symbol_table::resolve): Check for references from
3969         dynamic objects to hidden and internal symbols.
3970         * testsuite/Makefile.am (hidden_test.sh): New test.
3971         * testsuite/Makefile.in: Regenerate.
3972         * testsuite/hidden_test.sh: New script.
3973         * testsuite/hidden_test_1.c: New test source.
3974         * testsuite/hidden_test_main.c: New test source.
3976 2009-08-11  Doug Kwan  <dougkwan@google.com>
3978         * arm.cc: Update comments.
3979         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3980         segment to locate the .ARM.exidx section if present.
3982 2009-08-09  Doug Kwan  <dougkwan@google.com>
3984         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3985         patch.
3987 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3988         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3989         compiler warnings.
3991 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
3993         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3994         valid tls_segment only for non-debug-section relocations.
3995         * testsuite/Makefile.am: Add gc_tls_test.
3996         * testsuite/Makefile.in: Regenerate.
3997         * testsuite/gc_tls_test.cc: New file.
3998         * testsuite/gc_tls_test.sh: New file.
4000 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4001         
4002         * icf.cc: New file.
4003         * icf.h: New file.
4004         * Makefile.am (CCFILES): Add icf.cc.
4005         (HFILES): Add icf.h
4006         * Makefile.in: Regenerate.
4007         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4008         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4009         section, symbol and addend information for the relocs.
4010         * gold.cc (queue_middle_tasks): Call identical code folding.
4011         * gold.h: Add defines for multimap.
4012         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4013         to the call of finalize_local_symbols.
4014         * main.cc (main): Create object of class Icf.
4015         * object.cc (Sized_relobj::do_layout): Allow this function to be
4016         called twice during icf.
4017         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4018         to sections marked as identical by icf.
4019         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4020         when available.
4021         (Sized_relobj::do_section_entsize): New function.
4022         * object.h (Object::section_entsize): New function.
4023         (Object::do_section_entsize): New pure virtual function.
4024         (Relobj::finalize_local_symbols): Add new parameter.
4025         (Relobj::do_section_entsize): New function.
4026         * options.h (General_options::icf): New option.
4027         (General_options::icf_iterations): New option.
4028         (General_options::print_icf_sections): New option.
4029         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4030         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4031         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4032         icf.
4033         * symtab.cc (Symbol_table::is_section_folded): New function.
4034         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4035         to sections marked as identical by icf.
4036         * symtab.h (Symbol_table::set_icf): New function.
4037         (Symbol_table::icf): New function.
4038         (Symbol_table::is_section_folded): New function.
4039         (Symbol_table::icf_): New data member.
4040         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4041         * testsuite/Makefile.am: Add commands to build icf_test.
4042         * testsuite/Makefile.in: Regenerate.
4043         * testsuite/icf_test.sh: New file.
4044         * testsuite/icf_test.cc: New file.
4046 2009-07-24  Chris Demetriou  <cgd@google.com>
4048         * layout.cc (is_compressible_debug_section): Fix incorrect
4049         comment about compressed section names.
4051 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4053         PR 10419
4054         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4056 2009-07-16  Ian Lance Taylor  <iant@google.com>
4058         PR 10400
4059         * layout.h: #include <map>.
4060         (class Kept_section): Change from struct to class.  Add accessors
4061         and setters.  Add section size to Comdat_group mapping.  Change
4062         Comdat_group to std::map.  Add is_comdat_ field.  Add
4063         linkonce_size field in union.
4064         (class Layout): Update declaration of find_or_add_kept_section.
4065         Don't declare find_kept_object.
4066         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4067         parameter.  Add object, shndx, is_comdat, and is_group_name
4068         parameters.  Change all callers.  Adjust for new Kept_section.
4069         (Layout::find_kept_object): Remove.
4070         * object.cc (Sized_relobj::include_section_group): Update use of
4071         Kept_section.  Rename secnum to shndx.  Only record
4072         Kept_comdat_section if sections are the same size.
4073         (Sized_relobj::include_linkonce_section): Update use of
4074         Kept_section.  Only record Kept_comdat_section if sections are the
4075         same size.  Set size of linkonce section.
4076         (Sized_relobj::map_to_kept_section): Update call to
4077         get_kept_comdat_section.
4078         * object.h (class Sized_relobj): Rename fields in
4079         Kept_comdat_section to drop trailing underscores; change object
4080         field to Relobj*.  Change Kept_comdat_section_table to store
4081         struct rather than pointer.
4082         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4083         Add kept_object and kept_shndx parameters.  Change all callers.
4084         (Sized_relobj::get_kept_comdat_section): Change return type to
4085         bool.  Add kept_object and kept_shndx parameters.  Change all
4086         callers.
4087         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4088         Layout::find_or_add_kept_section.
4090 2009-07-09  Ian Lance Taylor  <iant@google.com>
4092         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4093         Reserve space in the hash table.
4095 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4097         * fileread.cc (File_read::get_mtime): New method.
4098         * fileread.h (Timespec): New structure.
4099         (File_read::get_mtime): New method.
4100         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4101         Renamed from timestamp_nsec.
4102         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4103         Elf_Xword.
4104         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4105         timestamp_nsec.
4106         (Incremental_inputs::report_archive): Save mtime; style fix. 
4107         (Incremental_inputs::report_obejct): Save mtime; style fix.
4108         (Incremental_inputs::report_script): Save mtime; style fix.
4109         (Incremental_inputs::finalize_inputs): Style fix.
4110         (Incremental_inputs::finalize): Style fix.
4111         (Incremental_inputs::create_input_section_data): Store inputs
4112         mtime.
4113         * incremental.h (Incremental_inputs::report_script): Add mtime
4114         argument.
4115         (Incremental_inputs::Input_info::Input_info): Intialize only one
4116         union member.
4117         (Incremental_inputs::Input_info::archive): Move to nameless
4118         union.
4119         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4120         (Incremental_inputs::Input_info::script): Move to nameless union.
4121         (Incremental_inputs::mtime): New field.
4122         * script.cc (read_input_script): Pass file mtime to
4123         Incremental_input.
4124         * script.h (Script_info::inputs): Style fix.
4126 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4128         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4129         instead of 32.
4131 2009-06-24  Ian Lance Taylor  <iant@google.com>
4133         PR 10156
4134         * layout.cc (Layout::choose_output_section): If we find an
4135         existing section, update the flags.
4136         (Layout::create_notes): New function, broken out of
4137         Layout::finalize.
4138         (Layout::finalize): Don't create note sections.
4139         (Layout::create_note): Don't crash if linker script discards
4140         section.
4141         (Layout::create_gold_note): Likewise.
4142         (Layout::create_build_id): Likewise.  Don't set
4143         after_input_sections on the section.
4144         (Layout::create_executable_stack_info): Remove target parameter.
4145         Change caller.
4146         * layout.h (class Layout): Declare create_notes.  Update
4147         declaration of create_executable_stack_info.
4148         * gold.cc (queue_middle_tasks): Call create_notes.
4149         * output.cc (Output_section::update_flags_for_input_section): Move
4150         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4151         invalid.
4152         * output.h (Output_data::mark_address_invalid): New function.
4153         (class Output_section): Only declare, not define,
4154         update_flags_for_input_section.  Remove set_flags.
4156 2009-06-24  Ian Lance Taylor  <iant@google.com>
4158         * script-sections.cc (Output_section_definition::
4159         set_section_addresses): Rename shadowing local load_address to
4160         laddr.
4162 2009-06-24  Ian Lance Taylor  <iant@google.com>
4164         PR 10244
4165         * reloc.cc (relocate_sections): Skip empty relocation sections.
4167 2009-06-23  Ian Lance Taylor  <iant@google.com>
4169         PR 10156
4170         * layout.cc (Layout::create_note): Use choose_output_section
4171         rather than make_output_section.
4173 2009-06-23  Ian Lance Taylor  <iant@google.com>
4175         PR 10237
4176         * options.cc (General_options::parse_V): Set printed_version_.
4177         (General_options::General_options): Initialize printed_version_.
4178         * options.h (class General_options): Add printed_version_ field.
4179         * gold.cc (queue_initial_tasks): If there are no input files,
4180         don't give a fatal error if we printed the version information.
4181         (queue_middle_tasks): If using -r with a shared object, give a
4182         fatal error rather than an ordinary error.
4184 2009-06-23  Ian Lance Taylor  <iant@google.com>
4186         PR 10219
4187         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4188         (Layout::make_output_section): Set have_stabstr_section_ if we see
4189         a .stab*str section.
4190         (Layout::finalize): Call link_stabs_sections.
4191         (Layout::link_stabs_sections): New file.
4192         * layout.h (class Layout): Add have_stabstr_section_ field.
4193         Declare link_stabs_sections.
4195 2009-06-23  Doug Kwan  <dougkwan@google.com>
4197         * Makefile.am (libgold_a_LIBADD): New.
4198         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4199         * Makefile.in: Regenerate.
4200         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4201         * configure: Regenerate.
4202         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4203         * fileread.cc: Include sys/state.h
4204         * gold.h: Declare memmem and strndup if found missing.
4205         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4207 2009-06-23  Ian Lance Taylor  <iant@google.com>
4209         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4210         * configure: Rebuild.
4212 2009-06-23  Ian Lance Taylor  <iant@google.com>
4214         PR 10147
4215         * object.cc (Object::section_contents): Don't try to get a view if
4216         the section has length zero.
4217         (Object::handle_gnu_warning_section): If the section is empty, use
4218         the name of the section as the warning.
4220 2009-06-23  Ian Lance Taylor  <iant@google.com>
4222         PR 10133
4223         * stringpool.h (class Stringpool_template): Add optimize_ field.
4224         (Stringpool_template::set_optimize): New function.
4225         * stringpool.cc (Stringpool_template::Stringpool_template):
4226         Initialize optimize_ field.
4227         (Stringpool_template::set_string_offsets): Test local optimize
4228         fild rather than parameter.
4229         * layout.cc (Layout::Layout): Call set_optimize on the section
4230         name stringpool.
4232 2009-06-22  Ian Lance Taylor  <iant@google.com>
4234         PR 10030
4235         * yyscript.y: Parse TARGET.
4236         * script.cc (script_set_target): New function.
4237         * script-c.h (script_set_target): Declare.
4238         * options.cc (General_options::string_to_object_format): Rename
4239         from string_to_object_format in anonymous namespace.  Change
4240         callers.
4241         * options.h (class General_options): Declare
4242         string_to_object_format.
4244 2009-06-22  Ian Lance Taylor  <iant@google.com>
4246         * script-sections.cc (Script_sections::create_segments): Don't put
4247         program headers in a PT_LOAD segment if -n or -N.
4249 2009-06-22  Ian Lance Taylor  <iant@google.com>
4251         PR 10141
4252         * options.h (class General_options): Add -z lazy and -z now.  Sort
4253         -z options into alphabetical order.
4254         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4256 2009-06-21  Ian Lance Taylor  <iant@google.com>
4258         * layout.cc (Layout::make_output_section): Call
4259         Target::new_output_section.
4260         (Layout::attach_allocated_section_to_segment): Put large section
4261         sections in a separate load segment with the large segment flag
4262         set.
4263         (Layout::segment_precedes): Sort large data segments after other
4264         load segments.
4265         (align_file_offset): New static function.
4266         (Layout::set_segment_offsets): Use align_file_offset.
4267         * output.h (class Output_section): Add is_small_section_ and
4268         is_large_section_ fields.
4269         (Output_section::is_small_section): New function.
4270         (Output_section::set_is_small_section):  New function.
4271         (Output_section::is_large_section): New function.
4272         (Output_section::set_is_large_section): New function.
4273         (Output_section::is_large_data_section): New function.
4274         (class Output_segment): Add is_large_data_segment_ field.
4275         (Output_segment::is_large_data_segment): New function.
4276         (Output_segment::set_is_large_data_segment): New function.
4277         * output.cc (Output_section::Output_section): Initialize new
4278         fields.
4279         (Output_segment::Output_segment): Likewise.
4280         (Output_segment::add_output_section): Add assertion that large
4281         data sections always go in large data segments.  Force small data
4282         sections to the end of the list of data sections.  Force small BSS
4283         sections to the start of the list of BSS sections.  For large BSS
4284         sections to the end of the list of BSS sections.
4285         * symtab.h (class Symbol): Declare is_common_shndx.
4286         (Symbol::is_defined): Check Symbol::is_common_shndx.
4287         (Symbol::is_common): Likewise.
4288         (class Symbol_table): Define enum Commons_section_type.  Update
4289         declarations.  Add small_commons_ and large_commons_ fields.
4290         * symtab.cc (Symbol::is_common_shndx): New function.
4291         (Symbol_table::Symbol_table): Initialize new fields.
4292         (Symbol_table::add_from_object): Put small and large common
4293         symbols in the right list.
4294         (Symbol_table::sized_finalized_symbol): Check
4295         Symbol::is_common_shndx.
4296         (Symbol_table::sized_write_globals): Likewise.
4297         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4298         common symbol lists.  Don't call do_allocate_commons_list if the
4299         list is empty.
4300         (Symbol_table::do_allocate_commons_list): Remove is_tls
4301         parameter.  Add comons_section_type parameter.  Change all
4302         callers.  Handle small and large common symbols.
4303         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4304         Symbol::is_common_shndx.
4305         * resolve.cc (symbol_to_bits): Likewise.
4306         * target.h (Target::small_common_shndx): New function.
4307         (Target::small_common_section_flags): New function.
4308         (Target::large_common_shndx): New function.
4309         (Target::large_common_section_flags): New function.
4310         (Target::new_output_section): New function.
4311         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4312         small_common_section_flags, and large_common_section_flags
4313         fields.
4314         (Target::do_new_output_section): New virtual function.
4315         * arm.cc (Target_arm::arm_info): Initialize new fields.
4316         * i386.cc (Target_i386::i386_info): Likewise.
4317         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4318         Likewise.
4319         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4320         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4321         (Target_x86_64::do_new_output_section): New function.
4322         * configure.ac: Define conditional MCMODEL_MEDIUM.
4323         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4324         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4325         (large_LDFLAGS): Define.
4326         * testsuite/large.c: New file.
4327         * testsuite/testfile.cc (Target_test::test_target_info):
4328         Initialize new fields.
4329         * configure, testsuite/Makefile.in: Rebuild.
4331 2009-06-05  Doug Kwan  <dougkwan@google.com>
4333         * Makefile.am (CCFILES): Add target.cc.
4334         * Makefile.in: Regenerate. 
4335         * i386.cc (class Target_i386): Define new virtual method to
4336         override do_is_local_label_name in parent.
4337         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4338         local symbols if --discard-locals or -X is given.
4339         * options.h (class General_options): Declare new options
4340         '--discard-locals' and '-X' for discarding locals.
4341         * target.h (class Target): Define new methods is_local_label_name.
4342         Declare new virtual method do_is_local_label_name.
4343         * target.cc: New file.
4344         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4345         (check_SCRIPTS): Add discard_locals_test.sh.
4346         (check_DATA): Add discard_local_tests.syms.
4347         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4348         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4349         * testsuite/Makefile.in: Regenerate.
4350         * testsuite/discard_locals_test.c: New file.
4351         * testsuite/discard_locals_test.sh: Same.
4353 2009-06-05  Doug Kwan  <dougkwan@google.com>
4355         * object.cc (Sized_relobj::Sized_relobj): Initialize
4356         discarded_eh_frame_shndx_ to -1U.
4357         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4358         section.
4359         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4360         a discarded .eh_frame section.
4361         (Sized_relobj::do_finalize_local_symbols): Ditto.
4362         * object.h (class Sized_relobj): Declare new member
4363         discarded_eh_frame_shndx_.
4364         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4365         (local_labels_test.o, local_labels_test): New rules.
4366         * testsuite/Makefile.in: Regenerate.
4368 2009-06-04  Doug Kwan  <dougkwan@google.com>
4370         * layout.cc (Layout::section_name_mapping): Add mapping for
4371         special ARM sections.
4373 2009-06-03  Doug Kwan  <dougkwan@google.com>
4375         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4376         (utils::has_overflow): Same.
4378 2009-06-03  Ian Lance Taylor  <iant@google.com>
4380         * layout.cc (Layout::section_name_mapping): New array, replacing
4381         Layout::linkonce_mapping.
4382         (Layout::section_name_mapping_count): New variable, replacing
4383         Layout::linkonce_mapping_count.
4384         (Layout::linkonce_output_name): Remove.
4385         (Layout::output_section_name): Rewrite.
4386         * layout.h (class Layout): Rename Linkonce_mapping to
4387         Section_name_mapping, linkonce_mapping to section_name_mapping,
4388         linkonce_mapping_count to section_name_mapping_count.  Don't
4389         declare linkonce_output_name.
4391 2009-06-03  Doug Kwan  <dougkwan@google.com>
4393         * gold/arm.cc (namespace utils): New.
4394         (Target_arm::reloc_is_non_pic): Define new method.
4395         (class Arm_relocate_functions): New.
4396         (Target_arm::Relocate::relocate): Handle relocation types used by
4397         Android.
4399 2009-06-03  Ian Lance Taylor  <iant@google.com>
4401         * arm.cc (Target_arm::scan::global): Use || instead of |.
4403 2009-06-02  Doug Kwan  <dougkwan@google.com>
4405         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4406         issued_non_pic_error_.
4407         (class Target_arm::Scan): Declare new method check_non_pic.
4408         Define new method symbol_needs_plt_entry.
4409         Declare new data member issued_non_pic_error_.
4410         (class Target_arm::Relocate): Declare new method
4411         should_apply_static_reloc.
4412         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4413         (Target_arm::Scan::check_non_pic): Define new method.
4414         (Target_arm::Scan::local): Handle a small subset of reloc types used
4415         by Android.
4416         (Target_arm::Scan::local): Same.
4417         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4419 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4421         * incremental.cc (Incremental_inputs::report_command_line): Filter
4422         out --incremental-* options.
4424 2009-05-29  Doug Kwan  <dougkwan@google.com>
4426         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4427         template class.
4428         (class Target_arm): Update comment.
4429         (Target_arm::Target_arm): Initialize new data members GOT_,
4430         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4431         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4432         and Target_arm::rel_dyn_section.
4433         Declare new_enum Target_arm::Got_type.
4434         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4435         and DYNBSS_.
4436         Update commments for member do_dynsym_value.
4437         (Target_arm::got_size, Target_arm::plt_section,
4438         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4439         new methods inside class defintion.
4440         (Target_arm::got_section): Define new method.
4441         (Target_arm::rel_dyn_section): Same.
4442         (Output_data_plt_arm): New template class.
4443         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4444         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4445         (Output_data_plt_arm::add_entry): Same.
4446         (Output_data_plt_arm::first_plt_entry): Define new
4447         static data member for PLT instruction template.
4448         (Output_data_plt_arm::plt_entry): Same.
4449         (Output_data_plt_arm::do_write): Define new method.
4450         (Target_arm::make_plt_entry): Same.
4451         (Target_arm::do_finalize_sections): Same.
4452         (Target_arm::do_dynsym_value): Same.
4454 2009-05-28  Doug Kwan  <dougkwan@google.com>
4456         * Makefile.am (TARGETSOURCES): Add arm.cc.
4457         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4458         * Makefile.in: Regenerate.
4459         * arm.cc: New file.
4460         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4462 2009-05-26  Doug Kwan  <dougkwan@google.com>
4464         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4465         (General_options::check_excluded_libs): Strip off directories in
4466         archive name before matching like GNU ld does.
4467         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4468         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4469         (exclude_libs_test_LDFLAGS): Add linker option
4470         -Wl,--exclude-libs,libexclude_libs_test_3
4471         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4472         an explicit archive without using -l.
4473         (alt/libexclude_libs_test_3.a): New make rule.
4474         * testsuite/Makefile.in: Regenerate.
4475         * testsuite/exclude_libs_test.c : Declare lib3_default().
4476         (main): Call it.
4477         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4478         * exclude_libs_test_3.c: New file.
4480 2009-05-26  Nick Clifton  <nickc@redhat.com>
4482         * po/id.po: New Indonesian translation.
4483         * po/gold.pot: Updated template file.
4485 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4487         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4488         gc_comdat_test files.  Add -Wl,--gc-sections to build
4489         gc_comdat_test.
4490         * testsuite/Makefile.in: Regenerate.
4491         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4493 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4495         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4496         kept comdat section was garbage collected.
4497         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4498         * testsuite/Makefile.in: Regenerate.
4499         * testsuite/gc_comdat_test.sh: New file.
4500         * testsuite/gc_comdat_test_1.cc: New file.
4501         * testsuite/gc_comdat_test_2.cc: New file.
4503 2009-05-19  Doug Kwan  <dougkwan@google.com>
4505         * archive.cc (Archive::Archive): Move constructor from archive.h
4506         to here.  Initialize no_export_.
4507         (Archive::get_elf_object_for_member): Set no_export flag of object.
4508         * archive.h (Archive::Archive): Move constructor body to
4509         archive.cc.
4510         (Archive::no_export): New method.
4511         (Archive::no_export_): New field.
4512         * object.h (Object::Object): Initialize no_export_ to false.
4513         (Object::no_export, Object::set_no_export): New methods.
4514         (Object::no_export_): New field.
4515         * options.cc (General_options::parse_exclude_libs): New method.
4516         (General_options::check_excluded_libs) Same.
4517         * options.h (exclude_libs): New option.
4518         (General_options::check_excluded_libs): New method declaration.
4519         (General_options::excluded_libs_): New field.
4520         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4521         default or protected visibility if an object has no-export flag set.
4522         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4523         (check_SCRIPTS): Add exclude_libs_test.sh.
4524         (check_DATA): Add exclude_libs_test.syms.
4525         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4526         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4527         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4528         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4529         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4530         libexclude_libs_test_2.a): New rules.
4531         * testsuite/Makefile.in: Regenerate.
4532         * testsuite/exclude_libs_test.c: New file.
4533         * testsuite/exclude_libs_test.sh: Ditto.
4534         * testsuite/exclude_libs_test_1.c: Ditto.
4535         * testsuite/exclude_libs_test_2.c: Ditto.
4537 2009-05-15  Ian Lance Taylor  <iant@google.com>
4539         * configure.ac: Check for declarations for cases where libiberty.h
4540         checks HAVE_DECL_xxx.
4541         * configure, config.in: Rebuild.
4543 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4545         * gold.h (Incremental_argument_list): Remove (invalid) forward
4546         declaration.
4547         * incremental.cc (Incremental_inputs::report_achive): New method.
4548         (Incremental_inputs::report_object): New method.
4549         (Incremental_inputs::report_script): New method.
4550         (Incremental_inputs::finalize_inputs): New method.
4551         (Incremental_inputs::finalize): Call finalize_inputs().
4552         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4553         Create inputs entries.
4554         * incremental.h (Incremental_input_type): New enum.
4555         (Incremental_inputs::Incremental_input): Initialize new fields.
4556         (Incremental_inputs::report_inputs): New method.
4557         (Incremental_inputs::report_achive): New method.
4558         (Incremental_inputs::report_object): New method.
4559         (Incremental_inputs::report_script): New method.
4560         (Incremental_inputs::finalize_inputs): New method.
4561         (Incremental_inputs::Input_info): New struct.
4562         (Incremental_inputs::Input_info_map): New typedef.
4563         (Incremental_inputs::lock_): New field.
4564         (Incremental_inputs::Inputs_): New field.
4565         (Incremental_inputs::Inputs_map): New field.
4566         * main.cc (main): Call Incremental_input::report_inputs.
4567         * options.h (Input_argument_list): Typedef moved from
4568         Input_arguments.
4569         (Input_file_group::Files): Remove, use ::Input_argument_list.
4570         (Input_file_group::Input_argument_list): Remove, use
4571         ::Input_argument_list.
4572         * plugin.cc (Plugin_manager::add_input_file): Add error in
4573         incremental build.
4574         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4575         functions.
4576         * script.cc (read_input_script): Call
4577         Incremental_input::report_script.
4578         * script.h (Script_info): New class.
4580 2009-04-27  Ian Lance Taylor  <iant@google.com>
4582         * x86_64.cc (do_adjust_output_section): Set entsize to
4583         plt_entry_size.
4585 2009-04-23  Elliott Hughes  <enh@google.com>
4587         * output.cc (Output_file::close): After short writes, continue
4588         writing from the correct offset in the buffer being written.
4590 2009-04-23  Chris Demetriou  <cgd@google.com>
4592         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4593         * configure: Regenerate.
4594         * config.in: Regenerate.
4595         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4596         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4598 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4600         * incremental.cc (Incremental_inputs_header_data): Renamed from
4601         Incremental_input_header_data.
4602         (Incremental_inputs_header_data::data_size): New field.
4603         (Incremental_inputs_header_data::put_input_file_count): Renamed
4604         from input_file_count.
4605         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4606         from command_line_offset.
4607         (Incremental_inputs_header_data::put_reserved): Renamed from
4608         put_reserved.
4609         (Incremental_inputs_entry_data): Renamed from
4610         Incremental_input_entry_data.
4611         (Incremental_inputs_entry_data::data_size): New field.
4612         (Incremental_inputs::report_command_line): New method.
4613         (Incremental_inputs::finalize): New method.
4614         (Incremental_inputs::create_incremental_inputs_data): New method.
4615         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4616         * incremental.h: New file.
4617         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4618        (Layout::finalize): Create incremental inputs section in
4619         incremental builds.
4620        (Layout::create_incremental_info_sections): New method.
4621         * layout.h (Layout::incremental_inputs): New method.
4622        (Layout::create_incremental_info_sections): New method.
4623        (Layout::incremental_inputs_): New field.
4624         * main.cc (main): Notify Incremental_input of the command line.
4626 2009-04-01  Ian Lance Taylor  <iant@google.com>
4627             Mikolaj Zalewski  <mikolajz@google.com>
4629         * gold.h (reserve_unordered_map): Define, three versions, one for
4630         each version of Unordered_map.
4631         * layout.cc (Layout::Layout): Remove options parameter.  Add
4632         number_of_input_files parameter.  Don't initialize options_.
4633         Initialize number_of_input_files_ and resized_signatures_.  Move
4634         sections_are_attached_.
4635         (Layout::layout_group): Reserve space for group_signatures_.
4636         (Layout::find_or_add_kept_section): Change name parameter to be a
4637         reference.  Resize signatures_ map when it gets large enough.
4638         (Layout::layout_eh_frame): Use parameters->options() instead of
4639         this->options_.
4640         (Layout::make_output_section): Likewise.
4641         (Layout::attach_allocated_section_to_segment): Likewise.
4642         (Layout::finalize, Layout::create_executable_stack): Likewise.
4643         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4644         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4645         * layout.h (class Layout): Update declarations.  Remove options_
4646         field.  Add number_of_input_files_ and resized_signatures_
4647         fields.  Move sections_are_attached_ field.
4648         * main.cc (main): Pass number of input files to Layout
4649         constructor.  Don't pass options.
4651 2009-03-30  Ian Lance Taylor  <iant@google.com>
4653         * ffsll.c (ffsll): Correct implementation.
4655 2009-03-27  Ian Lance Taylor  <iant@google.com>
4657         * ffsll.c: New file.
4658         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4659         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4660         * ftruncate.c (ftruncate): Declare before definition.
4661         * mremap.c (mremap): Likewise.
4662         * pread.c (pread): Likewise.
4663         * configure, Makefile.in, config.in: Rebuild.
4665         * mremap.c: New file.
4666         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4667         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4668         (mremap): Declare if HAVE_MREMAP is not defined.
4669         * configure, Makefile.in, config.in: Rebuild.
4671 2009-03-27  Cary Coutant  <ccoutant@google.com>
4673         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4674         position independent.
4675         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4676         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4678 2009-03-24  Cary Coutant  <ccoutant@google.com>
4680         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4681         an executable.
4682         (needs_dynamic_reloc): Likewise.
4684 2009-03-24  Ian Lance Taylor  <iant@google.com>
4686         * yyscript.y (file_cmd): Recognize EXTERN.
4687         (extern_name_list, extern_name_list_body): New nonterminals.
4688         * script.cc (script_add_extern): Define.
4689         * script-c.h (script_add_extern): Declare.
4691 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4693         * object.cc (is_elf_object): Define.
4694         * object.h (is_elf_object): Declare.
4695         * archive.cc (Archive::get_elf_object_for_member): Call
4696         is_elf_object.
4697         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4699 2009-03-24  Elliott Hughes  <enh@google.com>
4701         * output.cc (Output_file::map_anonymous): Define.
4702         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4703         try an anonymous one.  Report the size if the mmap fails.
4704         * output.h (class Output_file): Declare map_anonymous.
4706 2009-03-24  Ian Lance Taylor  <iant@google.com>
4708         * target-select.cc (instantiate_target): Don't acquire the lock if
4709         the instantiated_target_ field has already been set.
4711 2009-03-23  Ian Lance Taylor  <iant@google.com>
4713         * gold-threads.h (class Initialize_lock): Define.
4714         * gold-threads.cc (class Initialize_lock_once): Define.
4715         (initialize_lock_control): New static variable.
4716         (initialize_lock_pointer): New static variable.
4717         (initialize_lock_once): New static function.
4718         (Initialize_lock::Initialize_lock): Define.
4719         (Initialize_lock::initialize): Define.
4720         * target-select.h: Include "gold-threads.h".
4721         (class Target_selector): Add lock_ and initialize_lock_ fields.
4722         Don't define instantiate_target, just declare it.
4723         * target-select.cc (Target_selector::Target_selector): Initialize
4724         new fields.
4725         (Target_selector::instantiate_target): Define.
4726         * descriptors.h: Include "gold-threads.h".
4727         (class Descriptors): Add initialize_lock_ field.
4728         * descriptors.cc (Descriptors::Descriptors): Initialize new
4729         field.
4730         (Descriptors::open): Use initialize_lock_ field
4731         * errors.h (class Errors): Add initialize_lock_ field.
4732         * errors.cc (Errors::Errors): Initialize new field.
4733         (Errors::initialize_lock): Use initialize_lock_ field.
4734         * powerpc.cc (class Target_selector_powerpc): Remove
4735         instantiated_target_ field.  In do_recognize call
4736         instantiate_target rather than do_instantiate_target.  In
4737         do_instantiate_target just allocate a new target.
4738         * sparc.cc (class Target_selector_sparc): Likewise.
4740         * freebsd.h: New file.
4741         * i386.cc: Include "freebsd.h".
4742         (Target_i386): Derive from Target_freebsd rather than
4743         Sized_target.
4744         (Target_selector_i386): Derive from Target_selector_freebsd rather
4745         than Target_selector.
4746         * x86_64.cc: Include "freebsd.h".
4747         (Target_x86_64): Derive from Target_freebsd rather than
4748         Sized_target.
4749         (Target_selector_x86_64): Derive from Target_selector_freebsd
4750         rather than Target_selector.
4751         * target.h (class Target): Add adjust_elf_header and
4752         do_adjust_elf_header.
4753         * output.cc (Output_file_header:: do_sized_write): Call target
4754         adjust_elf_header routine.
4755         * configure.tgt: Set targ_osabi.
4756         * configure.ac: Define GOLD_DEFAULT_OSABI.
4757         * parameters.cc (Parameters::default_target): Pass
4758         GOLD_DEFAULT_OSABI to select_target.
4759         * target-select.h (class Target_selector): Make instantiate_target
4760         protected rather than private.
4761         * Makefile.am (HFILES): Add freebsd.h.
4762         * configure, Makefile.in, config.in: Rebuild.
4764         * merge.cc (do_add_input_section): Correct pend value.  Change
4765         message about last entry not being null terminated from error to
4766         warning.
4768 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4770         * incremental.cc: New file.
4771         * Makefile.am (CCFILES): Add incremental.cc.
4772         * Makefile.in: Rebuild.
4774 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4776         * layout.cc (Layout::output_section_name): Preserve names
4777         of '.note.' sections.
4778         
4779 2009-03-19  Ian Lance Taylor  <iant@google.com>
4781         * descriptors.cc (Descriptors::open): Check that the options are
4782         valid before using them.
4784 2009-03-18  Ian Lance Taylor  <iant@google.com>
4786         * script-sections.h: Include <list>.
4787         (class Script_sections): Change Sections_elements from std::vector
4788         to std::list.  Typedef public Elements_iterator.  Add
4789         orphan_section_placement_, data_segment_align_start_, and
4790         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4791         field.
4792         * script-sections.cc (class Orphan_section_placement): New class.
4793         (class Sections_element): Add virtual functions is_relro and
4794         orphan_section_init.  Remove virtual function place_orphan_here.
4795         (class Output_section_definition): Add is_relro and
4796         orphan_section_init.  Remove place_orphan_here.
4797         (class Orphan_output_section): Likewise.
4798         (Script_sections::Script_sections): Update for field changes.
4799         (Script_sections::data_segment_align): Set saw_data_segment_align_
4800         and data_segment_align_start_, not data_segment_align_index.
4801         (Script_sections::data_segment_relro_end): Check
4802         saw_data_segment_align_.  Use data_segment_align_start_ rather
4803         than data_segment_align_index_.
4804         (Script_sections::place_orphan): Rewrite to use
4805         Orphan_section_placement.
4807 2009-03-17  Ian Lance Taylor  <iant@google.com>
4809         * archive.cc (Archive::add_symbols): Check for a version attached
4810         to the symbol name in the archive map.
4811         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4812         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4813         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4814         (ver_test_11.a): New target.
4815         * testsuite/Makefile.in: Rebuild.
4817         * configure.ac: Check for chsize and posix_fallocate.  Replace
4818         ftruncate.
4819         * ftruncate.c: New file, from gnulib.
4820         * output.cc (posix_fallocate): Define dummy version if not
4821         HAVE_POSIX_FALLOCATE.
4822         (Output_file::map): Call posix_fallocate rather than lseek and
4823         write.
4824         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4825         * configure, Makefile.in, config.in: Rebuild.
4827 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
4828         
4829         * layout.h (Layout::create_note): Add section_name parameter.
4830         * layout.cc (Layout::create_note): Likewise.
4831         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4832         
4833 2009-03-17  Ian Lance Taylor  <iant@google.com>
4835         * descriptors.cc: Include "options.h".
4836         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4837         (Descriptors::open): Always use O_CLOEXEC when opening a new
4838         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
4839         then set FD_CLOEXEC.
4841         * sparc.cc (class Target_sparc): Add has_got_section.
4842         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4843         make sure we have a GOT section.
4845         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4846         (Target_sparc::Scan::local): Likewise.
4847         (Target_sparc::Scan::global): Likewise.
4848         (Target_sparc::Relocate::relocate): Likewise.
4849         (Target_sparc::Relocate::relocate_tls): Likewise.
4851         * symtab.cc (Symbol_table::define_default_version): New function,
4852         broken out of add_from_object.
4853         (Symbol_table::add_from_object): Call define_default_version.
4854         (Symbol_table::define_special_symbol): Add resolve_oldsym
4855         parameter.  Change all callers.  If the version for a symbol comes
4856         from a version script, resolve it with the symbol with the same
4857         name with no version.  Also add the symbol without a version if
4858         appropriate.
4859         (do_define_in_output_data): If resolving with oldsym, don't delete
4860         sym.
4861         (do_define_in_output_segment): Likewise.
4862         (do_define_as_constant): Likewise.
4863         * symtab.h (class Symbol_table): Update declarations.
4865 2009-03-13  Ian Lance Taylor  <iant@google.com>
4867         * readsyms.cc (Read_symbols::incompatible_warning): New function.
4868         (Read_symbols::requeue): New function.
4869         (Read_symbols::do_read_symbols): If make_elf_object fails because
4870         the target type is not configured, and the file was searched for,
4871         issue a warning and retry with the next directory.
4872         (Add_symbols::run): If the file has an incompatible format, and
4873         it was searched for, requeue the Read_symbols task.  On error,
4874         release the object.
4875         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
4876         dirindex parameter to constructor.  Change all callers.  Declare
4877         incompatible_warning and requeue.
4878         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4879         input_argument_ and input_group_ fields.  Add them to
4880         constructor.  Change all callers.
4881         (class Read_script): Add dirindex_ field.  Add it to constructor.
4882         Change all callers.
4883         * archive.cc (Archive::setup): Remove input_objects parameter.
4884         Change all callers.
4885         (Archive::get_file_and_offset): Likewise.
4886         (Archive::read_all_symbols): Likewise.
4887         (Archive::read_symbols): Likewise.
4888         (Archive::get_elf_object_for_member): Remove input_objects
4889         parameter.  Add punconfigured parameter.  Change all callers.
4890         (Archive::add_symbols): Change return type to bool.  Check return
4891         value of include_member.
4892         (Archive::include_all_members): Likewise.
4893         (Archive::include_member): Change return type to bool.  Return
4894         false if first included object has incompatible target.  Set
4895         included_member_ field.
4896         (Add_archive_symbols::run): If add_symbols returns false, requeue
4897         Read_symbols task.
4898         * archive.h (class Archive): Add included_member_ field.
4899         Initialize it in constructor.  Add input_file and searched_for
4900         methods.  Update declarations.
4901         (class Add_archive_symbols): Add dirpath_, dirindex_, and
4902         input_argument_ fields.  Add them to constructor.  Change all
4903         callers.
4904         * script.cc: Include "target-select.h".
4905         (class Parser_closure): Add skip_on_incompatible_target_ and
4906         found_incompatible_target_ fields.  Add
4907         skip_on_incompatible_target parameter to constructor.  Change all
4908         callers.  Add methods skip_on_incompatible_target,
4909         clear_skip_on_incompatible_target, found_incompatible_target, and
4910         set_found_incompatible_target.
4911         (read_input_script): Add dirindex parameter.  Change all callers.
4912         If parser finds an incompatible target, requeue Read_symbols
4913         task.
4914         (script_set_symbol): Clear skip_on_incompatible_target in
4915         closure.
4916         (script_add_assertion, script_parse_option): Likewise.
4917         (script_start_sections, script_add_phdr): Likewise.
4918         (script_check_output_format): New function.
4919         * script.h (read_input_script): Update declaration.
4920         * script-c.h (script_check_output_format): Declare.
4921         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4922         (ignore_cmd): Remove OUTPUT_FORMAT.
4923         * fileread.cc (Input_file::Input_file): Add explicit this.
4924         (Input_file::will_search_for): New function.
4925         (Input_file::open): Add pindex parameter.  Change all callers.
4926         * fileread.h (class Input_file): Add input_file_argument method.
4927         Declare will_search_for.  Update declarations.
4928         * object.cc (make_elf_object): Add punconfigured parameter.
4929         Change all callers.
4930         * object.h (class Object): Make input_file public.  Add
4931         searched_for method.
4932         (make_elf_object): Update declaration.
4933         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4934         restart search.
4935         * dirsearch.h (class Dirsearch): Update declaration.
4936         * options.h (class General_options): Add --warn-search-mismatch.
4937         * parameters.cc (Parameters::is_compatible_target): New function.
4938         * parameters.h (class Parameters): Declare is_compatible_target.
4939         * workqueue.cc (Workqueue::add_blocker): New function.
4940         * workqueue.h (class Workqueue): Declare add_blocker.
4942         * fileread.cc (Input_file::open): Remove options parameter.
4943         Change all callers.
4944         (Input_file::open_binary): Likewise.
4945         * script.cc (read_input_script): Likewise.
4946         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4947         options parameter from constructor.  Change all callers.
4948         (class Read_script): Likewise.
4949         * fileread.h (class Input_file): Update declarations.
4950         * script.h (read_input_script): Update declaration.
4952 2009-03-10  Nick Clifton  <nickc@redhat.com>
4954         * po/es.po: New Spanish translation.
4956 2009-03-06  Cary Coutant  <ccoutant@google.com>
4958         * options.cc (parse_short_option): Keep dash_z from registering itself.
4960 2009-03-03  Ian Lance Taylor  <iant@google.com>
4962         PR 9918
4963         * target-reloc.h (relocate_section): Pass output_section to
4964         relocate.
4965         * i386.cc (Target_i386::should_apply_static_reloc): Add
4966         output_section parameter.  Change all callers.
4967         (Target_i386::Relocate::relocate): Add output_section parameter.
4968         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4969         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4970         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4971         * testsuite/two_file_shared.sh: New script.
4972         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4973         (check_DATA): Add two_file_shared.dbg.
4974         (two_file_shared.dbg): New target.
4975         * testsuite/Makefile.in: Rebuild.
4977 2009-03-01  Ian Lance Taylor  <iant@google.com>
4979         * configure.ac: Check for byteswap.h.
4980         * configure: Rebuild.
4981         * config.in: Rebuild.
4983 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4985         * layout.cc (Layout::find_or_add_kept_section): New function.
4986         (Layout::add_comdat): Removed.
4987         * layout.h (struct Kept_section): Move out of class Layout.
4988         Remove trailing underscores from field names.  Add group_sections
4989         field.  Rename group_ field to is_group.  Change all uses.
4990         (class Layout): Declare find_or_add_kept_section, not add_comdat.
4991         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4992         comdat_groups_ field.
4993         (Sized_relobj::include_section_group): Use
4994         find_or_add_kept_section and Kept_section::group_sections.
4995         (Sized_relobj::include_linkonce_section): Likewise.
4996         * object.cc (class Sized_relobj): Don't define Comdat_group or
4997         Comdat_group_table.  Remove find_comdat_group and
4998         add_comdat_group.  Remove comdat_groups_ field.
4999         * plugin.cc (include_comdat_group): Use
5000         Layout::find_or_add_kept_section.
5002 2009-02-28  Ian Lance Taylor  <iant@google.com>
5004         * README: --gc-sections and map files are now supported.  Document
5005         some build requirements.
5007         PR 6992
5008         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5009         relocatable link set the value of the section symbol to zero.
5010         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5011         relocatable link don't include the section address in the local
5012         symbol value.
5014 2009-02-27  Ian Lance Taylor  <iant@google.com>
5016         PR 6811
5017         * options.h (class Search_directory): Add is_system_directory.
5018         (class General_options): Declare is_in_system_directory.
5019         * options.cc (get_relative_sysroot): Make static.
5020         (get_default_sysroot): Make static.
5021         (General_optoins::is_in_system_directory): New function.
5022         * fileread.cc (Input_file::is_in_system_directory): New function.
5023         * fileread.h (class Input_file): Declare is_in_system_directory.
5024         * object.h (class Object): Add is_in_system_directory.
5025         (class Input_objects): Remove system_library_directory_ field.
5026         * object.cc (Input_objects::add_object): Don't set
5027         system_library_directory_.
5028         (input_objects::found_in_system_library_directory): Remove.
5029         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5030         parameter.  Change all callers.
5031         (Symbol_table::sized_write_globals): Likewise.
5032         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5033         Call Object::is_in_system_directory.
5034         * symtab.h (class Symbol_table): Update declarations.
5036         PR 5990
5037         * descriptors.h (Open_descriptor): Add is_on_stack field.
5038         * descriptors.cc (Descriptors::open): If the descriptor is on the
5039         top of the stack, remove it.  Initialize is_on_stack field.
5040         (Descriptors::release): Only add pod to stack if it is not on the
5041         stack already.
5042         (Descriptors::close_some_descriptor): Clear stack_next and
5043         is_on_stack fields.
5045         PR 7091
5046         * output.cc (Output_section::find_starting_output_address): Rename
5047         from starting_output_address; add PADDR parameter; change return
5048         type.
5049         * output.h (class Output_section): Declare
5050         find_starting_output_address instead of starting_output_address.
5051         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5052         section symbol for which we can't find a merge section.
5054         PR 9836
5055         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5056         hidden or internal, force the symbol to be local.
5057         * resolve.cc (Symbol::override_visibility): Define.
5058         (Symbol::override_base): Use override_visibility.
5059         (Symbol_table::resolve): Likewise.
5060         (Symbol::override_base_with_special): Likewise.
5061         (Symbol_table::override_with_special): If the visibility is hidden
5062         or internal, force the symbol to be local.
5063         * symtab.h (class Symbol): Add set_visibility and
5064         override_visibility.
5065         * testsuite/ver_test_1.sh: New file.
5066         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5067         (check_DATA): Add ver_test_1.syms.
5068         (ver_test_1.syms): New target.
5069         * testsuite/Makefile.in: Rebuild.
5071 2009-02-25  Cary Coutant  <ccoutant@google.com>
5073         * layout.cc (Layout::choose_output_section): Don't rename sections
5074         when using a linker script that has a SECTIONS clause.
5075         * Makefile.in: Regenerate.
5077         * testsuite/Makefile.am (script_test_5.sh): New test case.
5078         * testsuite/Makefile.in: Regenerate.
5079         * testsuite/script_test_5.cc: New file.
5080         * testsuite/script_test_5.sh: New file.
5081         * testsuite/script_test_5.t: New file.
5083 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5085         * archive.cc (Archive::include_member): Update calls to add_symbols.
5086         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5087         the Layout argument.
5088         * dynobj.h (do_add_symbols): Add the Layout argument.
5089         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5090         Layout argument.
5091         * object.h (Object::add_symbols): Add the Layout argument.
5092         (Object::do_add_symbols): Add the Layout argument.
5093         (Sized_relobj::do_add_symbols): Add the Layout argument.
5094         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5095         Unify the two versions.
5096         (Add_plugin_symbols): Remove.
5097         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5098         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5099         (Add_plugin_symbols): Remove.
5100         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5101         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5102         (Add_symbols::run): Make it work with Pulginobj.
5104 2009-02-06  Ian Lance Taylor  <iant@google.com>
5106         * object.cc (Sized_relobj::do_layout): Make info message start
5107         with lower case letter.
5109 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5111         * binary.cc: Fix file comment.
5113         * options.h (enum Incremental_disposition): Define.
5114         (class General_options): Add new options: --incremental,
5115         --incremental_changed, --incremental_unchanged,
5116         --incremental_unknown.  Add incremental_disposition_ and
5117         implicit_incremental_ fields.
5118         (General_options::incremental_disposition): New function.
5119         (class Position_dependent_options): Add incremental_disposition
5120         option.
5121         (Position_dependent_options::copy_from_options): Set incremental
5122         dispositions.
5123         * options.cc (General_options::parse_incremental_changed): New
5124         function.
5125         (General_options::parse_incremental_unchanged): New function.
5126         (General_options::parse_incremental_unknown): New function.
5127         (General_options::General_options): Initialize new fields
5128         incremental_disposition_ and implicit_incremental_.
5129         (General_options::finalize): Check for uasge of --incremental-*
5130         without --incremental.
5132 2009-02-06  Chris Demetriou  <cgd@google.com>
5134         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5135         pointer and to report location as the file name associated with
5136         the symbol.
5137         (gold_undefined_symbol_at_location): New function to replace the
5138         old gold_undefined_symbol functionality.
5139         * target-reloc.h (relocate_section): Update to use
5140         gold_undefined_symbol_at_location.
5141         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5142         Call gold_undefined_symbol function rather than gold_error.
5143         * errors.h (Errors::undefined_symbol): Take location as a
5144         string, rather than calculating it from a relocation.
5145         * errors.cc (Errors::fatal): Print "fatal error:" before the
5146         formatted message.
5147         (Errors::error, Errors::error_at_location): Print "error: "
5148         before the formatted message.
5149         (Errors::undefined_symbol): Take location as a string, rather
5150         than calculating it from a relocation.
5151         (gold_undefined_symbol_at_location): New function akin to
5152         old gold_undefined_symbol, calculates location from relocation.
5153         (gold_undefined_symbol): Change to take only a Symbol pointer
5154         and to report location as the file name associated with the symbol.
5155         * testsuite/debug_msg.sh: Update for changed error messages.
5156         * testsuite/undef_symbol.sh: Likewise.
5158 2009-02-04  Duncan Sands  <baldrick@free.fr>
5160         PR 9812
5161         * reduced_debug_output.h
5162         (Output_reduced_debug_abbrev_section::failed): Use format for
5163         gold_warning.
5164         (Output_reduced_debug_info_section::faild): Likewise.
5166 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5168         * script.cc (Lazy_demangler): New class.
5169         (Version_script_info::get_symbol_version_helper): Demangle a
5170         symbol only once.
5172 2009-01-29  Cary Coutant  <ccoutant@google.com>
5174         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5175         to __tls_get_addr.
5176         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5178 2009-01-28  Ian Lance Taylor  <iant@google.com>
5180         * version.cc (version_string): Bump to 1.9.
5182         * gold.h: Include <cstring> and <stdint.h>.
5183         * version.cc: Include <cstdio>.
5184         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5185         warning.
5186         * reduced_debug_output.cc (insert_into_vector): Rename from
5187         Insert_into_vector; change all callers.  Use Swap_unaligned to
5188         avoid aliasing issue; remove union since it is unnecessary.
5190 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5192         * Makefile.am (CCFILES): Add gc.cc.
5193         (HFILES): Add gc.h.
5194         * Makefile.in: Regenerate.
5195         * gold.cc (Gc_runner): New class.
5196         (queue_initial_tasks): Call garbage collection related tasks
5197         when corresponding options are invoked.
5198         (queue_middle_gc_tasks): New function.
5199         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5200         processed early before laying out sections during garbage collection.
5201         * gold.h (queue_middle_gc_tasks): New function.
5202         (is_prefix_of): Move from "layout.cc".
5203         * i386.cc (Target_i386::gc_process_relocs): New function.
5204         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5205         * main.cc (main): Create object of class "Garbage_collection".
5206         * object.cc (Relobj::copy_symbols_data): New function.
5207         (Relobj::is_section_name_included): New function.
5208         (Sized_relobj::do_layout): Allow this function to be called twice 
5209         during garbage collection and defer layout of section during the 
5210         first call.
5211         * object.h (Relobj::get_symbols_data): New function.
5212         (Relobj::is_section_name_included): New function.
5213         (Relobj::copy_symbols_data): New function.
5214         (Relobj::set_symbols_data): New function.
5215         (Relobj::get_relocs_data): New function.
5216         (Relobj::set_relocs_data): New function.
5217         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5218         (Relobj::gc_process_relocs): New function.
5219         (Relobj::do_gc_process_relocs): New pure virtual function.
5220         (Relobj::sd_): New data member.
5221         (Sized_relobj::is_output_section_offset_invalid): New function.
5222         (Sized_relobj::do_gc_process_relocs): New function.
5223         * options.h (General_options::gc_sections): Modify to not be a no-op.
5224         (General_options::print_gc_sections): New option.
5225         * plugin.cc (Plugin_finish::run): Remove function call to
5226         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5227         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5228         * reloc.cc (Read_relocs::run): Add task to process relocs and
5229         determine unreferenced sections when doing garbage collection.
5230         (Gc_process_relocs): New class.
5231         (Sized_relobj::do_gc_process_relocs): New function.
5232         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5233         sections that are garbage collected.
5234         * reloc.h (Gc_process_relocs): New class.
5235         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5236         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5237         symbols whose corresponding sections are garbage collected.
5238         (Symbol_table::Symbol_table): Add new parameter for the garbage
5239         collection object.
5240         (Symbol_table::gc_mark_undef_symbols): New function.
5241         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5242         (Symbol_table::gc_mark_dyn_syms): New function.
5243         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5244         as garbage.
5245         (Symbol_table::add_from_object): Likewise.
5246         (Symbol_table::add_from_relobj): When building shared objects, do not
5247         treat externally visible symbols as garbage.
5248         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5249         table information for static and relocatable links.
5250         * symtab.h (Symbol_table::set_gc): New function.
5251         (Symbol_table::gc): New function.
5252         (Symbol_table::gc_mark_undef_symbols): New function.
5253         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5254         (Symbol_table::gc_mark_dyn_syms): New function.
5255         (Symbol_table::gc_): New data member.
5256         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5257         function.
5258         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5259         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5261 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5263         * options.h (General_options::gc_sections): Define as a no-op for now.
5264         (General_options::no_keep_memory): Ditto.
5265         (General_options::Bshareable): Define.
5266         * options.cc (General_options::finalize): Honor -Bshareable.
5268 2009-01-20  Andreas Schwab  <schwab@suse.de>
5270         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5271         read the value in the contents, since we don't use it.  Use the
5272         template endianness when writing.
5273         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5275 2009-01-19  Andreas Schwab  <schwab@suse.de>
5277         * configure.tgt (powerpc64-*): Fix targ_obj.
5279 2009-01-15  Ian Lance Taylor  <iant@google.com>
5281         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5282         local symbols when stripping all symbols.
5284 2009-01-14  Cary Coutant  <ccoutant@google.com>
5286         * output.cc (Output_reloc): Add explicit instantiations.
5288 2009-01-14  Cary Coutant  <ccoutant@google.com>
5290         * archive.cc (Archive::get_elf_object_for_member): Remove call
5291         to File_read::claim_for_plugin.
5292         * descriptors.cc (Descriptors::open): Remove reference to
5293         is_claimed.
5294         (Descriptors::claim_for_plugin): Remove.
5295         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5296         (Descriptors::is_claimed): Remove.
5297         (claim_descriptor_for_plugin): Remove.
5298         * fileread.cc (File_read::claim_for_plugin): Remove.
5299         * fileread.h (File_read::claim_for_plugin): Remove.
5300         (File_read::descriptor): Reopen descriptor if necessary.
5301         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5302         (Plugin_manager::all_symbols_read): Add task parameter. Change
5303         all callers.
5304         (Plugin_manager::get_input_file): New function.
5305         (Plugin_manager::release_input_file): New function.
5306         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5307         corresponding data member.
5308         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5309         and pass to base constructor. Change all callers.
5310         (get_input_file, release_input_file): New functions.
5311         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5312         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5313         (Plugin_manager::all_symbols_read): Add task parameter.
5314         (Plugin_manager::get_input_file): New function.
5315         (Plugin_manager::release_input_file): New function.
5316         (Plugin_manager::task_): New data member.
5317         (Pluginobj::Pluginobj): Add filesize parameter.
5318         (Pluginobj::filename): New function.
5319         (Pluginobj::descriptor): New function.
5320         (Pluginobj::filesize): New function.
5321         (Pluginobj::filesize_): New data member.
5322         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5323         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5324         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5326         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5327         with archive libraries.
5328         * testsuite/Makefile.in: Regenerate.
5329         * testsuite/plugin_test.c (struct sym_info): New type.
5330         (get_input_file, release_input_file): New static variables.
5331         (onload): Capture new transfer vector entries.
5332         (claim_file_hook): Stop reading at end of file according to filesize.
5333         Factor out parsing of readelf output into separate function.
5334         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5335         APIs and get the source file name from the symbol table.  Convert
5336         source file name to corresponding object file name.  Print info
5337         message when adding new input files.
5338         (parse_readelf_line): New function.
5339         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5340         * testsuite/plugin_test_2.sh: Likewise.
5341         * testsuite/plugin_test_3.sh: Likewise.
5342         * testsuite/plugin_test_4.sh: New test case.
5344 2009-01-07  Ian Lance Taylor  <iant@google.com>
5346         * version.cc (version_string): Bump to 1.8.
5348 2008-12-23  Cary Coutant  <ccoutant@google.com>
5350         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5351         * plugin.cc (Plugin_manager::finish): Rename as
5352         layout_deferred_objects.  Move cleanup to separate function.
5353         (Plugin_manager::cleanup): New function.
5354         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5355         separately.
5356         * plugin.h (Plugin_manager::finish): Rename as
5357         layout_deferred_objects.
5358         (Plugin_manager::cleanup): New function.
5359         (Plugin_manager::cleanup_done): New field.
5361 2008-12-23  Cary Coutant  <ccoutant@google.com>
5363         * plugin.cc (is_visible_from_outside): New function.
5364         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5365         so we don't return "IR only" status for exported symbols or -r links.
5367         * testsuite/Makefile.am (plugin_test_3): New test case.
5368         * testsuite/Makefile.in: Regenerate.
5369         * testsuite/plugin_test_3.sh: New file.
5371 2008-12-22  Cary Coutant  <ccoutant@google.com>
5373         * object.cc (Sized_relobj::layout_section): New function.
5374         (Sized_relobj::do_layout): Defer layout of input sections until after
5375         plugin has provided replacement files.
5376         (Sized_relobj::do_layout_deferred_sections): New function.
5377         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5378         (Relobj::layout_deferred_sections): New function.
5379         (Relobj::do_layout_deferred_sections): New function.
5380         (Sized_relobj::do_layout_deferred_sections): New function.
5381         (Sized_relobj::layout_section): New function.
5382         (Sized_relobj::Deferred_layout): New structure.
5383         (Sized_relobj::deferred_layout_): New field.
5384         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5385         Change all callers.  Layout deferred sections.
5386         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5387         references.
5388         (Plugin_hook::run): Move code from do_plugin_hook inline.
5389         (Plugin_hook::do_plugin_hook): Remove.
5390         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5391         (Plugin_manager::finish): Renamed, was cleanup.
5392         (Plugin_manager::should_defer_layout): New function.
5393         (Plugin_manager::add_deferred_layout_object): New function.
5394         (Plugin_manager::Deferred_layout_list): New type.
5395         (Plugin_manager::deferred_layout_objects_): New field.
5396         (Plugin_hook::do_plugin_hook): Remove.
5398 2008-12-17  Ian Lance Taylor  <iant@google.com>
5400         * options.h (class General_options): Add --no case for
5401         --export-dynamic.
5403 2008-12-16  Cary Coutant  <ccoutant@google.com>
5405         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5406         vector.
5407         (Plugin_manager::claim_file): Create plugin object even if
5408         plugin did not call the add_symbols callback.
5409         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5410         asking for more symbols than were added.
5411         * testsuite/Makefile.am (plugin_test_1): Add test case with
5412         no global symbols.
5413         (empty.syms): New target.
5414         * testsuite/Makefile.in: Regenerate.
5415         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5416         message. Don't call add_symbols if no globals.
5417         (all_symbols_read_hook): Don't provide replacement for empty
5418         claimed file.
5420 2008-12-12  Ian Lance Taylor  <iant@google.com>
5422         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5423         r_type == 0 for a local symbol with r_sym == 0.
5424         (scan_relocatable_relocs): Pass r_sym to
5425         local_non_section_strategy.
5426         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5427         r_sym parameter.
5429         * configure.ac: Update test for TLS descriptors: they are
5430         supported as of glibc 2.9.
5431         * configure: Rebuild.
5433 2008-12-11  Ian Lance Taylor  <iant@google.com>
5435         PR 7091
5436         * target-reloc.h (Default_scan_relocatable_relocs): For each
5437         function, map r_type == 0 to RELOC_DISCARD.
5439 2008-12-10  Cary Coutant  <ccoutant@google.com>
5441         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5442         object to override a kept COMDAT group from a plugin object.
5444 2008-12-09  Ian Lance Taylor  <iant@google.com>
5446         PR 7088
5447         * yyscript.y (file_cmd): Handle INPUT.
5449         * testsuite/initpri1.c: Change all declarations to be full
5450         prototypes by adding void, to avoid compiler warnings.
5452 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5454         * options.cc (General_options::parse_plugin_opt): New.
5455         (General_options::add_plugin): The argument now is just the filename.
5456         (General_options::add_plugin_option): New.
5457         * options.h (plugin_opt): New.
5458         (add_plugin): Change argument name.
5459         (add_plugin_option): New.
5460         * plugin.cc (Plugin::load): Don't parse the plugin option.
5461         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5462         (Plugin::add_option): New.
5463         (Plugin::args_): Change type.
5464         (Plugin::filename_): New.
5465         (Plugin_manager::add_plugin_option): New.
5466         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5467         * testsuite/Makefile.in: Regenerate.
5469 2008-12-05  Cary Coutant  <ccoutant@google.com>
5471         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5472         Handle --strip-lto-sections option.
5473         * options.h (strip_lto_sections): New option.
5475 2008-12-01  Cary Coutant  <ccoutant@google.com>
5477         * plugin.cc (ld_plugin_message): Change format parameter to const.
5478         Fix mismatch between new[] and delete.
5480 2008-11-14  Cary Coutant  <ccoutant@google.com>
5482         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5483         instead of -1U.
5485 2008-11-05  Craig Silverstein  <csilvers@google.com>
5487         * options.cc (General_options::parse_dynamic_list): New function.
5488         * options.h (General_options): New flags dynamic_list,
5489         dynamic_list_data, dynamic_list_cpp_new, and
5490         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5491         (General_options::in_dynamic_list): New function.
5492         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5493         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5494         (Lex::can_continue_name): Likewise.
5495         (yylex): Likewise.
5496         (read_script_file): New parameter script_options.
5497         (read_dynamic_list): New function.
5498         (Script_options::define_dynamic_list): New function.
5499         (dynamic_list_keyword_parsecodes): New variable.
5500         (dynamic_list_keywords): New variable.
5501         * script.h (Script_options::define_dynamic_list): New function
5502         prototype.
5503         (read_dynamic_list): New function prototype.
5504         * symtab.cc (strprefix): New macro.
5505         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5506         dynamic_list_data, dynamic_list_cpp_new, and
5507         dynamic_list_cpp_typeinfo.
5508         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5509         (dynamic_list_expr): New rule.
5510         (dynamic_list_nodes): Likewise.
5511         (dynamic_list_node): Likewise.
5512         * testsuite/Makefile.am (dynamic_list): New test.
5513         * testsuite/Makefile.in: Regenerated.
5514         * testsuite/dynamic_list.t: New file.
5515         * testsuite/dynamic_list.sh: New file.
5517 2008-11-05  Craig Silverstein  <csilvers@google.com>
5519         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5520         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5521         (t11_last): Likewise.
5522         * testsuite/ver_test_6.c (main): Likewise.
5524 2008-10-07  Cary Coutant  <ccoutant@google.com>
5526         * options.c (General_options::finalize): Add check for -static and
5527         -shared.
5528         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5529         is not empty.
5531 2008-10-02  Cary Coutant  <ccoutant@google.com>
5533         * plugin.cc (make_sized_plugin_object): Fix conditional
5534         compilation to work when not all targets are enabled.
5536 2008-09-29  Cary Coutant  <ccoutant@google.com>
5538         * archive.cc (Archive::get_file_and_offset): Use filename instead
5539         of name to get library path.
5540         (Archive::include_member): Unlock external member of a thin archive.
5542         * testsuite/Makefile.am (TEST_AR): New variable.
5543         (thin_archive_test_1): New test.
5544         (thin_archive_test_2): New test.
5545         * testsuite/Makefile.in: Regenerate.
5546         * testsuite/thin_archive_main.cc: New file.
5547         * testsuite/thin_archive_test_1.cc: New file.
5548         * testsuite/thin_archive_test_2.cc: New file.
5549         * testsuite/thin_archive_test_3.cc: New file.
5550         * testsuite/thin_archive_test_4.cc: New file.
5552 2008-09-29  Cary Coutant  <ccoutant@google.com>
5554         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5555         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5556         instead of -1U.
5557         (Sized_relobj::do_finalize_local_symbols): Likewise.
5558         (Sized_relobj::map_to_kept_section): Likewise.
5559         * object.h (Sized_relobj::invalid_address): New constant.
5560         (Sized_relobj::do_output_section_offset): Check for invalid_address
5561         and return -1ULL.
5562         * output.cc (Output_reloc::local_section_offset): Use constant
5563         invalid_address instead of -1U.
5564         (Output_reloc::get_address): Likewise.
5565         (Output_section::output_address): Change -1U to -1ULL.
5566         * output.h (Output_reloc::invalid_address): New constant.
5567         * reloc.cc (Sized_relobj::write_sections): Use constant
5568         invalid_address instead of -1U.
5569         (Sized_relobj::relocate_sections): Likewise.
5570         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5571         values for merge sections.
5572         * target-reloc.h (relocate_for_relocatable): Use constant
5573         invalid_address instead of -1U.
5575 2008-09-19  Cary Coutant  <ccoutant@google.com>
5577         Add plugin functionality for link-time optimization (LTO).
5578         * configure.ac (plugins): Add --enable-plugins option.
5579         * configure: Regenerate.
5580         * config.in: Regenerate.
5581         * Makefile.am (LIBDL): New variable.
5582         (CCFILES): Add plugin.cc.
5583         (HFILES): Add plugin.h.
5584         (ldadd_var): Add LIBDL.
5585         * Makefile.in: Regenerate.
5587         * archive.cc: Include "plugin.h".
5588         (Archive::setup): Don't preread archive symbols when using a plugin.
5589         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5590         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5591         files.
5592         (Archive::include_member): Add symbols from plugin objects.
5593         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5594         * descriptors.cc (Descriptors::open): Check for file descriptors
5595         abandoned by plugins.
5596         (Descriptors::claim_for_plugin): New function.
5597         * descriptors.h (Descriptors::claim_for_plugin): New function.
5598         (Open_descriptor::is_claimed): New field.
5599         (claim_descriptor_for_plugin): New function.
5600         * fileread.cc (File_read::claim_for_plugin): New function.
5601         * fileread.h (File_read::claim_for_plugin): New function.
5602         (File_read::descriptor): New function.
5603         * gold.cc: Include "plugin.h".
5604         (queue_initial_tasks): Add task to call plugin hooks for generating
5605         new object files.
5606         * main.cc: Include "plugin.h".
5607         (main): Load plugin libraries.
5608         * object.h (Pluginobj): Declare.
5609         (Object::pluginobj): New function.
5610         (Object::do_pluginobj): New function.
5611         (Object::set_target): New function.
5612         * options.cc: Include "plugin.h".
5613         (General_options::parse_plugin): New function.
5614         (General_options::General_options): Initialize plugins_ field.
5615         (General_options::add_plugin): New function.
5616         * options.h (Plugin_manager): Declare.
5617         (General_options): Add --plugin option.
5618         (General_options::has_plugins): New function.
5619         (General_options::plugins): New function.
5620         (General_options::add_plugin): New function.
5621         (General_options::plugins_): New field.
5622         * plugin.cc: New file.
5623         * plugin.h: New file.
5624         * readsyms.cc: Include "plugin.h".
5625         (Read_symbols::do_read_symbols): Check for archive before checking
5626         for ELF file.  Call plugin hooks to claim files.
5627         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5628         from a real object file; force override when processing replacement
5629         files.
5630         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5631         (Symbol::init_base_object): Likewise.
5632         (Symbol::init_base_output_data): Likewise.
5633         (Symbol::init_base_output_segment): Likewise.
5634         (Symbol::init_base_constant): Likewise.
5635         (Symbol::init_base_undefined): Likewise.
5636         (Symbol::output_section): Assert that object is not a plugin.
5637         (Symbol_table::add_from_pluginobj): New function.
5638         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5639         undefined.
5640         (Symbol_table::sized_write_globals): Likewise.
5641         (Symbol_table::add_from_pluginobj): Instantiate template.
5642         * symtab.h (Sized_pluginobj): Declare.
5643         (Symbol::in_real_elf): New function.
5644         (Symbol::set_in_real_elf): New function.
5645         (Symbol::in_real_elf_): New field.
5646         (Symbol_table::add_from_pluginobj): New function.
5648         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5649         (LIBDL): New variable.
5650         (LDADD): Add LIBDL.
5651         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5652         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5653         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5654         (MOSTLYCLEANFILES): Likewise.
5655         * testsuite/Makefile.in: Regenerate.
5656         * testsuite/plugin_test.c: New file.
5657         * testsuite/plugin_test_1.sh: New file.
5658         * testsuite/plugin_test_2.sh: New file.
5660 2008-09-16  Ian Lance Taylor  <iant@google.com>
5662         * target-reloc.h (relocate_section): Check whether a symbol is
5663         defined by the ABI before reporting an undefined symbol error.
5664         * target.h (Target::is_defined_by_abi): Make parameter const.
5665         (Target::do_is_defined_by_abi): Likewise.
5666         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5667         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5668         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5669         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5670         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5671         * testsuite/Makefile.in: Rebuild.
5673         * fileread.cc (make_view): Add casts to avoid warning.
5675 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5677         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5678         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5680 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5682         * options.h (General_options::output_is_executable): New.
5683         (General_options::output_is_pie): New.
5684         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5685         for shared libraries.
5686         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5688 2008-09-11  Chris Demetriou  <cgd@google.com>
5690         * options.h (origin): New -z option.
5691         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5692         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5693         in DT_FLAGS_1.
5695 2008-09-05  Cary Coutant  <ccoutant@google.com>
5697         * fileread.cc (File_read::make_view): Add check for attempt to map
5698         beyond end of file.
5700 2008-09-05  Cary Coutant  <ccoutant@google.com>
5702         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5703         explicit instantiations.
5705 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5707         PR gold/6858
5708         * options.cc (General_options::finalize): Allow undefined symbols
5709         in shlibs if linking -shared.
5711         PR gold/6859
5712         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5713         symbols as not needing a dynsym entry.
5715 2008-08-20  Craig Silverstein  <csilvers@google.com>
5717         * fileread.cc (File_read::open): Do not lock the file unless it
5718         was successfully opened.
5720 2008-08-14  Cary Coutant  <ccoutant@google.com>
5722         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5723         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5724         * testsuite/tls_test.cc (struct int128): 128-bit struct
5725         for testing TLS relocs with non-zero addend.
5726         (v12): New TLS variable.
5727         (t12): New test.
5728         (t_last): Add check for v12.
5729         * testsuite/tls_test.h (t12): New function.
5730         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5732 2008-08-13  Ian Lance Taylor  <iant@google.com>
5734         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5735         set tls_segment_ or relro_segment_.
5736         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5737         when appropriate.
5738         * output.h (Output_section::clear_is_relro): New function.
5739         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5740         sections specially even when output_data_ is empty.
5741         (Output_segment::maximum_alignment): When first section is relro,
5742         only force alignment for PT_LOAD segments.
5743         * script.cc (script_data_segment_align): New function.
5744         (script_data_segment_relro_end): New function.
5745         * script-c.h (script_data_segment_align): Declare.
5746         (script_data_segment_relro_end): Declare.
5747         * script-sections.h (class Script_sections): Declare
5748         data_segment_align and data_segment_relro_end.  Add fields
5749         segment_align_index_ and saw_relro_end_.
5750         * script-sections.cc (class Sections_element): Add set_is_relro
5751         virtual function.  Add new bool* parameter to place_orphan_here.
5752         Add get_output_section virtual function.
5753         (class Output_section_definition): Add set_is_relro.  Add new
5754         bool* parameter to place_orphan_here.  Add get_output_section.
5755         Add is_relro_ field.
5756         (Output_section_definition::Output_section_definition): Initialize
5757         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5758         and is_relro_ fields.
5759         (Output_section_definition::place_orphan_here): Add is_relro
5760         parameter.
5761         (Output_section_definition::set_section_addresses): Set relro for
5762         output section.
5763         (Output_section_definition::alternate_constraint): Likewise.
5764         (class Orphan_output_section): Add new bool* parameter to
5765         place_orphan_here.  Add get_output_section.
5766         (Orphan_output_section::place_orphan_here): Add is_relro
5767         parameter.
5768         (Script_sections::Script_sections): Initialize
5769         data_segment_align_index_ and saw_relro_end_.
5770         (Script_sections::data_segment_align): New function.
5771         (Script_sections::data_segment_relro_end): New function.
5772         (Script_sections::place_orphan): Set or clear is_relro.
5773         (Script_sections::set_section_addresses): Force alignment of first
5774         TLS section.
5775         * yyscript.y (exp): Call script_data_segment_align and
5776         script_data_segment_relro_end.
5777         * testsuite/relro_script_test.t: New file.
5778         * testsuite/relro_test.cc (using_script): Declare.
5779         (t1, t2): Test using_script.
5780         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5781         (relro_script_test_SOURCES): Define.
5782         (relro_script_test_DEPENDENCIES): Define.
5783         (relro_script_test_LDFLAGS): Define.
5784         (relro_script_test_LDADD): Define.
5785         (relro_script_test.so): New target.
5786         * testsuite/Makefile.in: Rebuild.
5788 2008-08-06  Cary Coutant <ccoutant@google.com>
5790         * archive.cc (Archive::total_archives, Archive::total_members)
5791         (Archive::total_members_loaded): New variables.
5792         (Archive::setup): Add parameter.  Add option to preread
5793         archive symbols.
5794         (Archive::read_armap): Add counter.
5795         (Archive::get_file_and_offset): New function.
5796         (Archive::get_elf_object_for_member): New function.
5797         (Archive::read_all_symbols): New function.
5798         (Archive::read_symbols): New function.
5799         (Archive::add_symbols): Add counters.
5800         (Archive::include_all_members): Use armap to find members if it's
5801         already built.
5802         (Archive::include_member): Skip reading symbols if already read.
5803         Factored code into Archive::get_file_and_offset and
5804         Archive::get_elf_object_for_member.  Changed call to
5805         Mapfile::report_include_archive_member.
5806         (Archive::print_stats): New function.
5807         * archive.h: Declare Object and Read_symbols_data classes.
5808         (Archive::Archive): Add initializers for new members.
5809         (Archive::setup): Add parameter.
5810         (Archive::print_stats): New function.
5811         (Archive::total_archives, Archive::total_members)
5812         (Archive::total_members_loaded): New variables.
5813         (Archive::get_file_and_offset): New function.
5814         (Archive::get_elf_object_for_member): New function.
5815         (Archive::read_all_symbols): New function.
5816         (Archive::read_symbols): New function.
5817         (Archive::Archive_member): New class.
5818         (Archive::members_): New member.
5819         (Archive::num_members_): New member.
5820         * main.cc: Include archive.h.
5821         (main): Call Archive::print_stats.
5822         * mapfile.cc (Mapfile::report_include_archive_member): Delete
5823         archive parameter; member_name is now the fully-decorated name.
5824         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5825         * options.h: (General_options): Add --preread-archive-symbols option.
5826         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5827         Archive::setup.
5829 2008-08-04  Ian Lance Taylor  <iant@google.com>
5831         * symtab.h (Symbol::use_plt_offset): New function.
5832         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5833         * powerpc.cc (Relocate::relocate): Likewise.
5834         * sparc.cc (Relocate::relocate): Likewise.
5835         * x86_64.cc (Relocate::relocate): Likewise.
5836         * testsuite/weak_plt.sh: New test.
5837         * testsuite/weak_plt_main.cc: New test.
5838         * testsuite/weak_plt_shared.cc: New test.
5839         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5840         (check_PROGRAMS): Add weak_plt.
5841         (check_DATA): Add weak_plt_shared.so.
5842         (weak_plt_main_pic.o, weak_plt): New targets.
5843         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5844         * testsuite/Makefile.in: Rebuild.
5846         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5847         gcctestdir/ld.
5848         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5849         * testsuite/Makefile.in: Rebuild.
5851 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
5853         * Makefile.am (POTFILES.in): Set LC_ALL=C.
5854         * Makefile.in: Regenerate.
5855         * po/POTFILES.in: Regenerate.
5857 2008-07-29  Ian Lance Taylor  <iant@google.com>
5859         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5860         symbols before other symbols.
5861         * testsuite/script_test_2.cc (test_addr): Declare.
5862         (test_addr_alias): Declare.
5863         (main): Check that test_addr and test_addr_alias have the right
5864         values.
5865         * testsuite/script_test_2.t: Define test_addr_alias and
5866         test_addr.
5868 2008-07-24  Ian Lance Taylor  <iant@google.com>
5870         PR 5990
5871         * descriptors.cc: New file.
5872         * descriptors.h: New file.
5873         * gold-threads.h (class Hold_optional_lock): New class.
5874         * fileread.cc: Include "descriptors.h".
5875         (File_read::~File_read): Release descriptor rather than closing
5876         it.
5877         (File_read::open) [file]: Call open_descriptor rather than open.
5878         Set is_descriptor_opened_.
5879         (File_read::open) [memory]: Assert that descriptor is not open.
5880         (File_read::reopen_descriptor): New function.
5881         (File_read::release): Release descriptor.
5882         (File_read::do_read): Make non-const.  Reopen descriptor.
5883         (File_read::read): Make non-const.
5884         (File_read::make_view): Reopen descriptor.
5885         (File_read::do_readv): Likewise.
5886         * fileread.h (class File_read): Add is_descriptor_opened_ field.
5887         Update declarations.
5888         * layout.cc: Include "descriptors.h".
5889         (Layout::create_build_id): Use open_descriptor rather than open.
5890         * output.cc: Include "descriptors.h".
5891         (Output_file::open): Use open_descriptor rather than open.
5892         * archive.cc (Archive::const_iterator): Change Archive to be
5893         non-const.
5894         (Archive::begin, Archive::end): Make non-const.
5895         (Archive::count_members): Likewise.
5896         * archive.h (class Archive): Update declarations.
5897         * object.h (Object::read): Make non-const.
5898         * Makefile.am (CCFILES): Add descriptors.cc.
5899         (HFILES): Add descriptors.h.
5900         * Makefile.in: Rebuild.
5902         PR 6716
5903         * gold.h: Always include <clocale>.  Add Solaris workarounds
5904         following code in binutils/sysdep.h.
5906         PR 6048
5907         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5908         this->eh_frame_hdr_ is NULL before using it.
5910         * dynobj.cc (Versions::Versions): Update comment.
5912         * dynobj.cc (Versions::Versions): If there is an soname, use it as
5913         the base version name.
5915         * stringpool.cc (Stringpool_template::add_with_length): Set key to
5916         array size plus one.
5917         (Stringpool_template::set_string_offsets): Subtract one from key
5918         before using it as an array index.
5919         (Stringpool_template::get_offset_with_length): Likewise.
5920         (Stringpool_template::write_to_buffer): Likewise.
5921         * stringpool.h (Stringpool_template::get_offset_from_key):
5922         Likewise.
5924 2008-07-23  Ian Lance Taylor  <iant@google.com>
5926         PR 6658
5927         * object.h (Merged_symbol_value::value): Do our best to handle a
5928         negative addend.
5930         PR 6647
5931         * script.cc (Version_script_info::get_versions): Don't add empty
5932         version tag to return value.
5933         (Version_script_info::get_symbol_version_helper): Change return
5934         type to bool.  Add pversion parameter.  Change all callers.
5935         (script_register_vers_node): Don't require a non-NULL tag.
5936         * script.h (class Version_script_info): Update declarations.
5937         (Version_script_info::get_symbol_version): Change return type to
5938         bool.  Add version parameter.  Change all callers.
5939         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5940         handling.  Handle an empty version from a version script.
5941         (Symbol_table::define_special_symbol): Likewise.
5942         * testsuite/ver_test_10.script: New file.
5943         * testsuite/ver_test_10.sh: New file.
5944         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5945         (check_DATA): Add ver_test_10.syms.
5946         (ver_test_10.syms, ver_test_10.so): New target.
5947         * testsuite/Makefile.in: Rebuild.
5949 2008-07-23  Simon Baldwin  <simonb@google.com>
5951         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5952         to zero for undefined symbols from dynamic libraries.
5954 2008-07-23  Ian Lance Taylor  <iant@google.com>
5956         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5957         Change all callers.
5958         * symtab.h (class Symbol_table): Update declaration.
5959         * testsuite/ver_test_9.cc: New file.
5960         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5961         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5962         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5963         (ver_test_9.so, ver_test_9.o): New targets.
5964         * testsuite/Makefile.in: Rebuild.
5966 2008-07-22  Ian Lance Taylor  <iant@google.com>
5968         * options.h (class General_options): Define --check-sections.
5969         * layout.cc (Layout::set_segment_offsets): Handle
5970         --check-sections.
5972         * options.h (class General_options): Define -n/--nmagic and
5973         -N/--omagic.
5974         * options.cc (General_options::finalize): For -n/--nmagic or
5975         -N/--omagic, set -static.
5976         * layout.cc (Layout::attach_allocated_section_to_segment): If
5977         -N/--omagic, don't put read-only and read-write sections in
5978         different segments.
5979         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5980         finding a read-only segment.
5981         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5982         don't set the minimum segment alignment to the common page size,
5983         and don't set the file offset to the address modulo the page size.
5984         * script-sections.cc (Script_sections::create_segments): If
5985         -n/--omagic, don't put read-only and read-write sections in
5986         different segments.
5988         * cref.cc: New file.
5989         * cref.h: New file.
5990         * options.h (class General_options): Add --print-symbol-counts.
5991         * main.cc (main): Issue defined symbol report if requested.
5992         * archive.cc (Archive::interpret_header): Make into a const member
5993         function.
5994         (Archive::add_symbols): Call Input_objects::archive_start and
5995         archive_stop.
5996         (Archive::const_iterator): Define new class.
5997         (Archive::begin, Archive::end): New functions.
5998         (Archive::include_all_members): Rewrite to use iterator.
5999         (Archive::count_members): New function.
6000         * archive.h (class Archive): Update declarations.
6001         (Archive::filename): New function.
6002         * object.cc: Include "cref.h".
6003         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6004         (Sized_relobj::do_get_global_symbol_counts): New function.
6005         (Input_objects::add_object): Add object to cross-referencer.
6006         (Input_objects::archive_start): New function.
6007         (Input_objects::archive_stop): New function.
6008         (Input_objects::print_symbol_counts): New function.
6009         * object.h: Declare Cref and Archive.
6010         (Object::get_global_symbol_counts): New function.
6011         (Object::do_get_global_symbol_counts): New pure virtual function.
6012         (class Sized_relobj): Add defined_count_ field.  Update
6013         declarations.
6014         (class Input_objects): Add cref_ field.  Update constructor.
6015         Update declarations.
6016         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6017         defined_count_.
6018         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6019         symbol counts.
6020         (Sized_dynobj::do_get_global_symbol_counts): New function.
6021         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6022         defined_count_.  Update declarations.  Define Symbols typedef.
6023         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6024         parameter.  Change all callers.
6025         (Symbol_table::add_from_dynobj): Add sympointers and defined
6026         parameters.  Change all callers.
6027         * symtab.h (class Symbol_table): Update declarations.
6028         * Makefile.am (CCFILES): Add cref.cc.
6029         (HFILES): Add cref.h.
6030         * Makefile.in: Rebuild.
6032 2008-07-22  Simon Baldwin  <simonb@google.com>
6034         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6035         to zero when writing undefined symbols.
6037 2008-07-22  Ian Lance Taylor  <iant@google.com>
6039         * output.cc (Output_section::add_input_section): Don't try to
6040         merge empty merge sections.
6042 2008-07-21  Craig Silverstein  <csilvers@google.com>
6044         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6045         Include symbol version in error message.
6047 2008-07-20  Chris Demetriou  <cgd@google.com>
6049         * configure.ac (gold_cv_c_random_seed): New configured variable.
6050         (RANDOM_SEED_CFLAGS): New substituted variable.
6051         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6052         * configure: Rebuild.
6053         * Makefile.in: Likewise.
6054         * testsuite/Makefile.in: Likewise.
6056 2008-07-18  Ian Lance Taylor  <iant@google.com>
6058         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6059         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6060         * testsuite/ver_test_main.cc (main): Call t4.
6061         (t4, t4_2a): Define.
6062         * testsuite/ver_test_2.cc (t4_2): Define.
6063         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6064         * testsuite/ver_test_4.cc (t4_2a): Define.
6065         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6066         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6068 2008-07-17  Ian Lance Taylor  <iant@google.com>
6070         * dynobj.cc (Versions::add_def): If we give an error about a
6071         missing version, go ahead and create the version anyhow.
6073 2008-07-10  Ian Lance Taylor  <iant@google.com>
6075         Handle output sections with more than 0x7fffffff bytes.
6076         * object.h (class Relobj): Change map_to_output_ to
6077         output_sections_, and just keep a section pointer.  Change all
6078         uses.  Move comdat group support to Sized_relobj.
6079         (Relobj::is_section_specially_mapped): Remove.
6080         (Relobj::output_section): Remove poff parameter.  Change all
6081         callers.
6082         (Relobj::output_section_offset): New function.
6083         (Relobj::set_section_offset): Rewrite.
6084         (Relobj::map_to_output): Remove.
6085         (Relobj::output_sections): New function.
6086         (Relobj::do_output_section_offset): New pure virtual function.
6087         (Relobj::do_set_section_offset): Likewise.
6088         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6089         group support from Relobj.  Update declarations.
6090         (Sized_relobj::get_output_section_offset): New function.
6091         (Sized_relobj::do_output_section_offset): New function.
6092         (Sized_relobj::do_set_section_offset): New function.
6093         * object.cc (Relobj::output_section_address): Remove.
6094         (Sized_relobj::Sized_relobj): Initialize new fields.
6095         (Sized_relobj::include_section_group): Cast find_kept_object to
6096         Sized_relobj.
6097         (Sized_relobj::include_linkonce_section): Likewise.
6098         (Sized_relobj::do_layout): Use separate arrays for output section
6099         and output offset.
6100         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6101         output_sections.
6102         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6103         output_sections and section_offsets.
6104         (Sized_relobj::write_local_symbols): Likewise.
6105         (map_to_kept_section): Compute output address directly.
6106         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6107         output_sections and section_offsets.
6108         (Sized_relobj::write_sections): Likewise.
6109         (Sized_relobj::relocate_sections): Likewise.
6110         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6111         * output.h (class Output_reloc): Update declarations.  Change
6112         u2_.relobj to Sized_relobj*.
6113         (class Output_data_reloc): Change add functions to use
6114         Sized_relobj*.
6115         * output.cc (Output_reloc::Output_reloc): Change relobj to
6116         Sized_relobj*.
6117         (Output_reloc::local_section_offset): Change return type to
6118         Elf_Addr.  Use get_output_section_offset.
6119         (Output_reloc::get_address): Likewise.
6120         (Output_section::is_input_address_mapped): Don't call
6121         is_section_specially_mapped.
6122         (Output_section::output_offset): Likewise.
6123         (Output_section::output_address): Likewise.
6124         (Output_section::starting_output_address): Likewise.
6125         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6126         parameter to Sized_relobj*.
6127         (Copy_relocs::need_copy_reloc): Likewise.
6128         (Copy_relocs::save): Likewise.
6129         * copy-relocs.h (class Copy_relocs): Update declarations.
6130         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6131         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6132         * target-reloc.h (relocate_for_relocatable): Change
6133         offset_in_output_section type to Elf_Addr.  Change code that uses
6134         it as well.
6135         * layout.cc (Layout::layout): Always set *off.
6136         * mapfile.cc (Mapfile::print_input_section): Use
6137         output_section_offset.
6138         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6139         Sized_relobj*.
6140         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6141         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6142         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6144 2008-07-03  Ian Lance Taylor  <iant@google.com>
6146         * layout.cc (Layout::include_section): Do not discard unrecognized
6147         SHT_STRTAB sections.
6149 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6151         * script.cc (Lex::can_continue_name): Make '?' allowable in
6152         version-script names.
6153         * testsuite/version_script.map: Change glob pattern to use '?'
6155 2008-06-30  Manish Singh  <yosh@gimp.org>
6157         PR 6585
6158         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6159         Correct typo.
6161 2008-06-30  Ian Lance Taylor  <iant@google.com>
6163         PR 6660
6164         PR 6682
6165         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6166         versions]: Don't try to read the value in the contents, since we
6167         don't use it.  Use the template endianness when writing.
6169 2008-06-25  Cary Coutant  <ccoutant@google.com>
6171         * fileread.cc (File_read::make_view): Assert on zero-length view.
6172         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6173         symbol table when there are no symbols to read.
6175 2008-06-23  Craig Silverstein  <csilvers@google.com>
6177         * version.cc (version_string): Bump to 1.7
6179 2008-06-18  Craig Silverstein  <csilvers@google.com>
6181         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6182         constant 0xFFFF to type Valtype.
6183         (Powerpc_relocate_functions::rel16_ha): Likewise.
6185 2008-06-17  Ian Lance Taylor  <iant@google.com>
6187         * output.h (Output_section::Input_section): Initialize p2align_ to
6188         zero for Output_section_data constructors.
6189         (Output_section::Input_section::addralign): If not an input
6190         section, return the alignment of the Output_section_data.
6191         * testsuite/copy_test.cc: New file.
6192         * testsuite/copy_test_1.cc: New file.
6193         * testsuite/copy_test_2.cc: New file.
6194         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6195         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6196         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6197         (copy_test_1_pic.o, copy_test_1.so): New targets.
6198         (copy_test_2_pic.o, copy_test_2.so): New targets.
6199         * testsuite/Makefile.in: Rebuild.
6201         * script-sections.cc (Script_sections::place_orphan): Initialize
6202         local variable exact.
6204 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6206         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6208 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6209             David S. Miller  <davem@davemloft.net>
6211         * powerpc.cc: New file.
6212         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6213         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6214         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6215         * Makefile.in: Rebuild.
6217 2008-06-09  Ian Lance Taylor  <iant@google.com>
6219         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6220         <exception>.
6221         (throwing, orig_terminate): New static variables.
6222         (terminate_handler): New static function.
6223         (t2): Set terminate handler.
6225 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6227         PR 6584
6228         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6229         alignment.
6231 2008-05-30  Cary Coutant  <ccoutant@google.com>
6233         * archive.cc (Archive::include_all_members) Correct to step
6234         over symbol table and extended name table in thin archives.
6236 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6238         PR 6407
6239         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6240         calculation.
6242 2008-05-28  Caleb Howe  <cshowe@google.com>
6244         * reduced_debug_output.cc: New file.
6245         * reduced_debug_output.h: New file.
6246         * options.h (class General_options): Add --strip-debug-non-line.
6247         * options.cc (General_options::finalize): Add strip_debug_non_line
6248         to the strip heirarchy.
6249         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6250         fields.
6251         * layout.cc: Include "reduced_debug_output.h".
6252         (Layout::Layout): Initialize new fields.
6253         (line_only_debug_sections): New static array.
6254         (is_lines_only_debug_sections): New static inline function.
6255         (Layout::include_section): Handle --strip-debug-non-line.
6256         (Layout::make_output_section): If --strip-debug-non-line, build
6257         new output sections for .debug_abbrev and .debug_info.
6258         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6259         gold.  Warn about possible overflow.
6260         (read_signed_LEB_128): Likewise.
6261         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6262         (read_signed_LEB_128): Declare.
6263         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6264         (HFILES): Add reduced_debug_output.h.
6265         * Makefile.in: Rebuild.
6267 2008-05-21  Ian Lance Taylor  <iant@google.com>
6269         * mapfile.cc: New file.
6270         * mapfile.h: New file.
6271         * options.h (class General_options): Add -M/--print-map and -Map.
6272         * options.cc (General_options::finalize): Make -M equivalent to
6273         -Map -.
6274         * main.cc: Include <cstdio> and "mapfile.h".
6275         (main): Open mapfile if requested.
6276         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6277         constructor.  Change caller.
6278         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6279         (queue_middle_tasks): Likewise.
6280         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6281         declarations.
6282         * archive.cc: Include "mapfile.h".
6283         (Archive::add_symbols): Add mapfile parameter.  Change all
6284         callers.  Pass mapfile, symbol, and reason to include_member.
6285         (Archive::include_all_members): Add mapfile parameter.  Change all
6286         callers.
6287         (Archive::include_member): Add mapfile, sym, and why parameters.
6288         Change all callers.  Report inclusion to map file.
6289         * archive.h: Include "fileread.h".
6290         (class Archive): Update declarations.
6291         (Archive::file): New const method.
6292         (class Add_archive_symbols): Add mapfile_ field.  Update
6293         constructor.  Change all callers.
6294         * readsyms.h (class Read_symbols): Likewise.
6295         (class Finish_group): Likewise.
6296         (class Read_script): Likewise.
6297         * common.cc: Include "mapfile.h".
6298         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6299         all callers.
6300         (Symbol_table::do_allocate_commons): Likewise.
6301         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6302         symbol allocation to mapfile.
6303         * common.h (class Allocate_commons_task): Add mapfile_ field.
6304         Update constructor.  Change all callers.
6305         * symtab.h (class Symbol_table): Update declarations.
6306         * layout.cc: Include "mapfile.h".
6307         (Layout_task_runner::run): Print information to mapfile.
6308         (Layout::create_gold_note): Change Output_data_fixed_space to
6309         Output_data_zero_fill.
6310         (Layout::create_build_id): Likewise.
6311         (Layout::print_to_mapfile): New function.
6312         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6313         constructor.  Change caller.
6314         (class Layout): Declare print_to_mapfile.
6315         * output.cc (Output_section::Input_section::print_to_mapfile): New
6316         function.
6317         (Output_section::add_input_section): If producing a map, always
6318         add to input_sections_ list.
6319         (Output_section::do_print_to_mapfile): New function.
6320         (Output_segment::print_sections_to_mapfile): New function.
6321         (Output_segment::print_section_list_to_mapfile): New function.
6322         * output.h: Include "mapfile.h".
6323         (Output_data::print_to_mapfile): New function.
6324         (Output_data::do_print_to_mapfile): New virtual function.
6325         (Output_segment_headers::do_print_to_mapfile): New function.
6326         (Output_file_header::do_print_to_mapfile): New function.
6327         (Output_data_const::do_print_to_mapfile): New function.
6328         (class Output_data_const_buffer): Add map_name_ field.  Update
6329         constructor.  Change all callers.  Add do_print_to_mapfile
6330         function.
6331         (class Output_data_fixed_space): Likewise.
6332         (class Output_data_space): Likewise.
6333         (class Output_data_zero_fill): New class.
6334         (Output_data_strtab::do_print_to_mapfile): New function.
6335         (Output_data_reloc_base::do_print_to_mapfile): New function.
6336         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6337         (Output_data_group::do_print_to_mapfile): New function.
6338         (Output_data_got::do_print_to_mapfile): New function.
6339         (Output_data_dynamic::do_print_to_mapfile): New function.
6340         (Output_symtab_xindex::do_print_to_mapfile): New function.
6341         (class Output_section): Declare do_print_to_mapflie.  Declare
6342         print_to_mapfile in Input_section.
6343         (class Output_segment): Declare new functions.
6344         * object.h (Sized_relobj::symbol_count): New function.
6345         * script-sections.cc
6346         (Output_section_element_dot_assignment::set_section_addresses):
6347         Change Output_data_fixed_space to Output_data_zero_fill.
6348         (Output_data_expression::do_print_to_mapfile): New function.
6349         * script.cc (read_input_script): Add mapfile parameter.  Change
6350         all callers.
6351         * script.h (read_input_script): Update declaration.
6352         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6353         (Eh_frame::do_print_to_mapfile): New function.
6354         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6355         (Output_merge_string::do_print_to_mapfile): New function.
6356         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6357         function.
6358         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6359         function.
6360         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6361         function.
6362         * Makefile.am (CCFILES): Add mapfile.cc.
6363         (HFILES): Add mapfile.h.
6364         * Makefile.in: Rebuild.
6366 2008-05-19  Ian Lance Taylor  <iant@google.com>
6368         * options.h (class General_options): Add -z relro.
6369         * layout.cc (Layout::Layout): Initialize relro_segment_.
6370         (Layout::add_output_section_data): Return the output section.
6371         (Layout::make_output_section): Rcognize relro sections and mark
6372         them appropriately.
6373         (Layout::attach_allocated_section_to_segment): Put relro sections
6374         in a PT_GNU_RELRO segment.
6375         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6376         section as relro.
6377         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6378         PT_TLS segments.
6379         (Layout::linkonce_mapping): Map d.rel.ro.local to
6380         .data.rel.ro.local.
6381         (Layout::output_section_name): Us .data.rel.ro.local for any
6382         section which begins with that.
6383         * layout.h (class Layout): Update add_output_section_data
6384         declaration.  Add relro_segment_ field.
6385         * output.cc (Output_section::Output_section): Initialize is_relro_
6386         and is_relro_local_ fields.
6387         (Output_segment::add_output_section): Group relro sections.
6388         (Output_segment::is_first_section_relro): New function.
6389         (Output_segment::maximum_alignment): If there is a relro section,
6390         align the segment to the common page size.
6391         (Output_segment::set_section_addresses): Track whether we are
6392         looking at relro sections.  If the last section is a relro
6393         section, align to the common page size.
6394         (Output_segment::set_section_list_addresses): Add in_relro
6395         parameter.  Change all callers.  Align to the page size when
6396         moving from relro to non-relro section.
6397         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6398         segment.
6399         * output.h (class Output_section): Add is_relro_ and
6400         is_relro_local_ fields.
6401         (Output_section::is_relro): New function.
6402         (Output_section::set_is_relro): New function.
6403         (Output_section::is_relro_local): New function.
6404         (Output_section::set_is_relro_local): New function.
6405         (class Output_segment): Update declarations.
6406         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6407         * sparc.cc (Target_sparc::got_section): Likewise.
6408         * x86_64.cc (Target_x86_64::got_section): Likewise.
6409         * testsuite/relro_test_main.cc: New file.
6410         * testsuite/relro_test.cc: New file.
6411         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6412         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6413         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6414         (relro_test.so, relro_test_pic.o): New targets.
6415         * testsuite/Makefile.in: Rebuild.
6417 2008-05-16  Ian Lance Taylor  <iant@google.com>
6419         * output.cc (Output_segment::add_output_section): Remove front
6420         parameter.
6421         * output.h (class Output_segment): Remove
6422         add_initial_output_section and overloaded add_output_section.
6423         Update declaration of remaining add_output_section.
6424         * layout.cc (Layout::create_interp): Call add_output_section
6425         rather than add_initial_output_section.
6426         (Layout::finish_dynamic_section): Likewise.
6428         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6429         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6430         know the dynamic type.
6431         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6432         field.  Initialize it in constructor.
6433         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6434         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6435         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6436         reloc.
6438         * output.cc (Output_reloc::get_address): Change return type to
6439         Elf_Addr.
6440         * output.h (class Output_reloc): Update get_address declaration.
6441         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6442         for section addresses.
6444 2008-05-09  Ian Lance Taylor  <iant@google.com>
6446         PR 6493
6447         * gold.cc (gold_nomem): Use return value of write.
6449 2008-05-08  Ian Lance Taylor  <iant@google.com>
6451         * symtab.c (Symbol::init_base_output_data): Add version
6452         parameter.  Change all callers.
6453         (Symbol::init_base_output_segment): Likewise.
6454         (Symbol::init_base_constant): Likewise.
6455         (Symbol::init_base_undefined): Likewise.
6456         (Sized_symbol::init_output_data): Likewise.
6457         (Sized_symbol::init_output_segment): Likewise.
6458         (Sized_symbol::init_constant): Likewise.
6459         (Sized_symbol::init_undefined): Likewise.
6460         (Symbol_table::do_define_in_output_data): If the new symbol has a
6461         version, mark it as the default.
6462         (Symbol_table::do_define_in_output_segment): Likewise.
6463         (Symbol_table::do_define_as_constant): Likewise.
6464         * symtab.h (class Symbol): Update declarations.
6465         (class Sized_symbol): Likewise.
6466         * resolve.cc (Symbol::override_version): New function.
6467         (Symbol::override_base): Call override_version.
6468         (Symbol::override_base_with_special): Likewise.
6469         * testsuite/ver_script_8.script: New file.
6470         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6471         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6472         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6473         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6475 2008-05-06  Ian Lance Taylor  <iant@google.com>
6477         PR 6049
6478         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6479         functions.
6480         (class General_options): Remove existing --undefined, and add
6481         --no-undefined instead.  Add new --undefined as synonym for -u.
6482         * archive.cc (Archive::add_symbols): Check whether symbol was
6483         named with -u.
6484         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6485         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6486         all uses.  Add IS_UNDEFINED.  Update declarations to split
6487         different versions of init_base.  Declare init_base_undefined.
6488         (Symbol::is_defined): Handle IS_UNDEFINED.
6489         (Symbol::is_undefined): Likewise.
6490         (Symbol::is_weak_undefined): Call is_undefined.
6491         (Symbol::is_absolute): Handle IS_CONSTANT.
6492         (class Sized_symbol): Update declarations to split different
6493         versions of init.  Declare init_undefined.
6494         (class Symbol_table): Declare new functions.
6495         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6496         Change all callers.
6497         (Symbol::init_base_output_data): Likewise.
6498         (Symbol::init_base_output_segment): Likewise.
6499         (Symbol::init_base_constant): Likewise.
6500         (Symbol::init_base_undefined): New function.
6501         (Sized_symbol::init_object): Rename from init.  Change all
6502         callers.
6503         (Sized_symbol::init_output_data): Likewise.
6504         (Sized_symbol::init_output_segment): Likewise.
6505         (Sized_symbol::init_constant): Likewise.
6506         (Sized_symbol::init_undefined): New function.
6507         (Symbol_table::add_undefined_symbols_from_command_line): New
6508         function.
6509         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6510         function.
6511         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6512         (Symbol::output_section): Likewise.
6513         (Symbol::set_output_section): Likewise.
6514         (Symbol_table::sized_finalize_symbol): Likewise.
6515         (Symbol_table::sized_write_globals): Likewise.
6516         * resolve.cc (Symbol_table::should_override): Likewise.
6517         (Symbol::override_base_with_special): Likewise.
6519         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6520         symbol, change it to have default visibility.
6521         * testsuite/protected_1.cc: New file.
6522         * testsuite/protected_2.cc: New file.
6523         * testsuite/protected_3.cc: New file.
6524         * testsuite/protected_main_1.cc: New file.
6525         * testsuite/protected_main_2.cc: New file.
6526         * testsuite/protected_main_3.cc: New file.
6527         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6528         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6529         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6530         (protected_1.so): New target.
6531         (protected_1_pic.o, protected_2_pic.o): New targets.
6532         (protected_3_pic.o): New target.
6533         (check_PROGRAMS): Add protected_2.
6534         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6535         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6536         * testsuite/Makefile.in: Rebuild.
6538         * options.h (DEFINE_var): Add set_user_set_##varname__.
6539         (DEFINE_bool_alias): New macro.
6540         (class General_options): Define -Bstatic using DEFINE_bool_alias
6541         rather than DEFINE_special.  Add --undefined as an alias for -z
6542         defs.
6543         * options.cc (General_options::parse_Bstatic): Remove.
6545         * options.h (class General_options): Add --fatal-warnings.
6546         * main.cc (main): Implement --fatal-warnings.
6547         * errors.h (Errors::warning_count): New function.
6549         * options.h (class General_options): Add -Bsymbolic-functions.
6550         * symtab.h (Symbol::is_preemptible): Check for
6551         -Bsymbolic-functions.
6553 2008-05-05  Ian Lance Taylor  <iant@google.com>
6555         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6556         as noVARNAME rather than no-VARNAME.
6557         (class General_options): Add option -z combreloc.
6558         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6559         get_address.
6560         (Output_reloc::sort_before) [SHT_REL]: New function.
6561         (Output_reloc::sort_before) [SHT_RELA]: New function.
6562         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6563         Sort_relocs_comparison.
6564         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6565         parameter.  Change all callers.
6566         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6567         sort_relocs parameter.  Change all callers.
6568         * output.cc (Output_reloc::get_address): New function, broken out
6569         of write_rel.
6570         (Output_reloc::write_rel): Call it.
6571         (Output_reloc::compare): New function.
6572         (Output_data_reloc_base::do_write): Optionally sort relocs.
6574         * configure.ac: If targ_extra_obj is set, link it in.
6575         * configure.tgt: Initialize all variables.
6576         (x86_64*): Set targ_extra_obj and targ_extra_size.
6577         * configure: Rebuild.
6579         * object.cc (Sized_relobj::include_section_group): Adjust section
6580         indexes read from group data.  Build vector to pass to
6581         layout_group.
6582         * layout.cc (Layout::layout_group): Add flags and shndxes
6583         parameters.  Remove contents parameter.  Change caller.  Update
6584         explicit instantiations.
6585         * layout.h (class Layout): Update layout_group declaration.
6586         * output.cc (Output_data_group::Output_data_group): Add flags and
6587         input_shndxes parameters.  Remove contents parameter.  Change
6588         caller.
6589         (Output_data_group::do_write): Change input_sections_ to
6590         input_shndxes_.
6591         * output.h (class Output_data_group): Update constructor
6592         declaration.  Rename input_sections_ to input_shndxes_.
6593         * testsuite/many_sections_test.cc: Add template.
6595 2008-04-30  Cary Coutant  <ccoutant@google.com>
6597         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6599         * layout.cc (Layout::include_section): Refactored check for debug
6600         info section.
6601         (Layout::add_comdat): Add new parameters.  Change type
6602         of signature parameter.  Add object and shndx to signatures table.
6603         (Layout::find_kept_object): New function.
6604         * layout.h: Include <cstring>.
6605         (Layout::is_debug_info_section): New function.
6606         (Layout::add_comdat): Add new parameters.
6607         (Layout::find_kept_object): New function.
6608         (Layout::Kept_section): New struct.
6609         (Layout::Signatures): Change type of map range.
6610         * object.cc (Relobj::output_section_address): New function.
6611         (Sized_relobj::include_section_group): Add new parameters.  Change
6612         calls to Layout::add_comdat.  Change to build table of kept comdat
6613         groups and table mapping discarded sections to kept sections.
6614         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6615         (Sized_relobj::do_layout): Change calls to include_section_group and
6616         include_linkonce_section.
6617         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6618         value to zero when section is discarded.
6619         (Sized_relobj::map_to_kept_section): New function.
6620         * object.h (Relobj::output_section_address): New function.
6621         (Relobj::Comdat_group): New type.
6622         (Relobj::find_comdat_group): New function.
6623         (Relobj::Comdat_group_table): New type.
6624         (Relobj::Kept_comdat_section): New type.
6625         (Relobj::Kept_comdat_section_table): New type.
6626         (Relobj::add_comdat_group): New function.
6627         (Relobj::set_kept_comdat_section): New function.
6628         (Relobj::get_kept_comdat_section): New function.
6629         (Relobj::comdat_groups_): New field.
6630         (Relobj::kept_comdat_sections_): New field.
6631         (Symbol_value::input_value): Update comment.
6632         (Sized_relobj::map_to_kept_section) New function.
6633         (Sized_relobj::include_linkonce_section): Add new parameter.
6634         * target-reloc.h (Comdat_behavior): New type.
6635         (get_comdat_behavior): New function.
6636         (relocate_section): Add code to map a discarded section to the
6637         corresponding kept section when applying a relocation.
6639 2008-04-30  Craig Silverstein  <csilvers@google.com>
6641         * dwarf_reader.cc (next_generation_count): New static var.
6642         (Addr2line_cache_entry): New struct.
6643         (addr2line_cache): New static var.
6644         (Dwarf_line_info::one_addr2line): Added caching.
6645         (Dwarf_line_info::clear_addr2line_cache): New function.
6646         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6647         cache-size parameter.
6648         (Dwarf_line_info::one_addr2line_cache): New function.
6649         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6650         new cache-size argument to one_addr2line(), and clear cache.
6652 2008-04-28  Cary Coutant  <ccoutant@google.com>
6654         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6655         R_386_PC8 relocations.
6657 2008-04-23  Ian Lance Taylor  <iant@google.com>
6659         * object.cc (Sized_relobj::include_section_group): Check for
6660         invalid section group.
6662         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6663         header size.
6665         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6666         than read for file header.
6667         * archive.cc (Archive::include_member): Likewise.
6669 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6671         * aclocal.m4: Regenerate.
6672         * configure: Regenerate.
6674 2008-04-19  Ian Lance Taylor  <iant@google.com>
6676         * version.cc (version_string): Bump to 1.6.
6678         * testsuite/Makefile.am (many_sections_r_test): New target.
6679         (many_sections_r_test_SOURCES): Remove.
6680         (many_sections_r_test_DEPENDENCIES): Remove.
6681         (many_sections_r_test_LDFLAGS): Remove.
6682         (many_sections_r_test_LDADD): Remove.
6684         * object.cc (Sized_relobj::do_add_symbols): Always pass
6685         local_symbol_count_ to add_from_relobj.
6687         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6688         every thousand variables.
6689         * testsuite/Makefile.in: Rebuild.
6691         * object.cc (Xindex::initialize_symtab_xindex): New function.
6692         (Xindex::read_symtab_xindex): New function.
6693         (Xindex::sym_xindex_to_shndx): New function.
6694         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6695         available.
6696         (Sized_relobj::do_initialize_xindex): New function.
6697         (Sized_relobj::do_read_symbols): Adjust section links.
6698         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6699         parameter.  Change all callers.
6700         (Sized_relobj::include_section_group): Adjust section links and
6701         symbol section indexes.
6702         (Sized_relobj::do_layout): Adjust section links.
6703         (Sized_relobj::do_count_local_symbols): Adjust section links and
6704         symbol section indexes.
6705         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6706         ordinary and special symbols.
6707         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6708         dynsym_xindex parameters.  Change all callers.  Adjust section
6709         links.  Use SHN_XINDEX when needed.
6710         (Sized_relobj::get_symbol_location_info): Adjust section links.
6711         Don't get fooled by special symbols.
6712         * object.h (class Xindex): Define.
6713         (class Object): Add xindex_ parameter.  Declare virtual functoin
6714         do_initialize_xindex.
6715         (Object::adjust_sym_shndx): New function.
6716         (Object::set_xindex): New protected function.
6717         (class Symbol_value): Add is_ordinary_shndx_ field.
6718         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6719         (Symbol_value::value): Assert ordinary section.
6720         (Symbol_value::initialize_input_to_output_map): Likewise.
6721         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6722         Change all callers.
6723         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6724         all callers.
6725         (class Sized_relobj): Update declarations.
6726         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6727         parameter.  Change all callers.
6728         (Sized_relobj::adjust_shndx): New function.
6729         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6730         field.
6731         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6732         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6733         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6734         (Sized_dynobj::read_dynsym_section): Adjust section links.
6735         (Sized_dynobj::read_dynamic): Likewise.
6736         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6737         section links.
6738         (Sized_dynobj::do_initialize_xindex): New function.
6739         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6740         do_initialize_xindex.
6741         (Sized_dynobj::adjust_shndx): New function.
6742         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6743         dynsym_xindex_ fields.
6744         (Layout::finalize): Add a call to set_section_indexes before
6745         creating the symtab sections.
6746         (Layout::set_section_indexes): Don't do anything if the section
6747         already has a section index.
6748         (Layout::create_symtab_sections): Add shnum parameter.  Change
6749         caller.  Create .symtab_shndx section if needed.
6750         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6751         caller.
6752         (Layout::allocated_output_section_count): New function.
6753         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6754         needed.
6755         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6756         fields.  Update declarations.
6757         (Layout::symtab_xindex): New function.
6758         (Layout::dynsym_xindex): New function.
6759         (class Write_symbols_task): Add layout_ field.
6760         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6761         Change caller.
6762         * output.cc (Output_section_headers::Output_section_headers): Add
6763         shstrtab_section parameter.  Change all callers.
6764         (Output_section_headers::do_sized_write): Store overflow values
6765         for section count and section string table section index in
6766         section header zero.
6767         (Output_file_header::do_sized_write): Check for overflow of
6768         section count and section string table section index.
6769         (Output_symtab_xindex::do_write): New function.
6770         (Output_symtab_xindex::endian_do_write): New function.
6771         * output.h (class Output_section_headers): Add shstrtab_section_.
6772         Update declarations.
6773         (class Output_symtab_xindex): Define.
6774         (Output_section::has_out_shndx): New function.
6775         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6776         field.
6777         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6778         Change all callers.
6779         (Sized_symbol::init): Likewise.
6780         (Symbol::output_section): Check for ordinary symbol.
6781         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6782         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6783         callers.
6784         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6785         Change all callers.  Simplify handling of symbols from sections
6786         not included in the link.
6787         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6788         distinction.
6789         (Weak_alias_sorter::operator()): Assert that symbols are
6790         ordinary.
6791         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6792         distinction.
6793         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6794         parameters.  Change all callers.
6795         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6796         symbol distinction.  Use SHN_XINDEX when needed.
6797         (Symbol_table::write_section_symbol): Add symtab_xindex
6798         parameter.  Change all callers.
6799         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6800         SHN_XINDEX when needed.
6801         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6802         declarations.
6803         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6804         (Symbol::is_defined): Check is_ordinary.
6805         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6806         (Symbol::is_absolute, Symbol::is_common): Likewise.
6807         (class Sized_symbol): Update declarations.
6808         (class Symbol_table): Update declarations.
6809         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6810         parameters.  Change all callers.
6811         (Sized_symbol::override): Likewise.
6812         (Symbol_table::override): Likewise.
6813         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6814         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
6815         is_ordinary, and orig_st_shndx parameters.  Change all callers.
6816         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6817         to be in an ordinary section.
6818         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6819         object and is_ordinary parameters.  Change all callers.
6820         (Sized_dwarf_line_info::read_relocs): Add object parameter.
6821         Change all callers.  Don't add undefined or non-ordinary symbols
6822         to reloc_map_.
6823         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6824         Change all callers.
6825         * dwarf_reader.h (class Sized_dwarf_line_info): Update
6826         declarations.
6827         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6828         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6829         (Sized_relobj::relocate_sections): Likewise.
6830         * target-reloc.h (scan_relocs): Adjust section symbol index.
6831         (scan_relocatable_relocs): Likewise.
6832         * i386.cc (Scan::local): Check for ordinary symbols.
6833         * sparc.cc (Scan::local): Likewise.
6834         * x86_64.cc (Scan::local): Likewise.
6835         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6836         to symbol_section_and_value.
6837         * testsuite/many_sections_test.cc: New file.
6838         * testsuite/Makefile.am (BUILT_SOURCES): Define.
6839         (check_PROGRAMS): Add many_sections_test.
6840         (many_sections_test_SOURCES): Define.
6841         (many_sections_test_DEPENDENCIES): Define.
6842         (many_sections_test_LDFLAGS): Define.
6843         (BUILT_SOURCES): Add many_sections_define.h.
6844         (many_sections_define.h): New target.
6845         (BUILT_SOURCES): Add many_sections_check.h.
6846         (many_sections_check.h): New target.
6847         (check_PROGRAMS): Add many_sections_r_test.
6848         (many_sections_r_test_SOURCES): Define.
6849         (many_sections_r_test_DEPENDENCIES): Define.
6850         (many_sections_r_test_LDFLAGS): Define.
6851         (many_sections_r_test_LDADD): Define.
6852         (many_sections_r_test.o): New target.
6853         * testsuite/Makefile.in: Rebuild.
6855 2008-04-17  Cary Coutant  <ccoutant@google.com>
6857         * errors.cc (Errors::info): New function.
6858         (gold_info): New function.
6859         * errors.h (Errors::info): New function.
6860         * gold.h (gold_info): New function.
6861         * object.cc (Input_objects::add_object): Print trace output.
6862         * options.cc (options::parse_set): New function.
6863         (General_options::parse_wrap): Deleted.
6864         (General_options::General_options): Deleted initializer.
6865         * options.h (options::String_set): New typedef.
6866         (options::parse_set): New function.
6867         (DEFINE_set): New macro.
6868         (General_options::wrap): Changed to use DEFINE_set. Changed
6869         callers of any_wrap_symbols and is_wrap_symbol.
6870         (General_options::trace, General_options::trace_symbol):
6871         New options.
6872         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6873         (General_options::wrap_symbols_): Deleted.
6874         * symtab.cc (Symbol_table::add_from_object): Print trace output.
6876 2008-04-17  David S. Miller  <davem@davemloft.net>
6878         * options.cc (General_options::parse_V): New function.
6879         * options.h: Add entries for -V and -Qy.
6881 2008-04-17  Ian Lance Taylor  <iant@google.com>
6883         * common.cc (Symbol_table::allocate_commons): Remove options
6884         parameter.  Change caller.
6885         (Symbol_table::do_allocate_commons): Remove options parameter.
6886         Change caller.  Just call do_allocate_commons_list twice.
6887         (Symbol_table::do_allocate_commons_list): New function, broken out
6888         of do_allocate_commons.
6889         * common.h (class Allocate_commons_task): Remove options_ field.
6890         Update constructor.
6891         * symtab.cc (Symbol_table::Symbol_table): Initialize
6892         tls_commons_.
6893         (Symbol_table::add_from_object): Put TLS common symbols on
6894         tls_commons_ list.
6895         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6896         which are IN_OUTPUT_DATA.
6897         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
6898         allocate_commons and do_allocate_commons declarations.  Declare
6899         do_allocate_commons_list.
6900         * gold.cc (queue_middle_tasks): Update creation of
6901         Allocate_commons_task to not pass options.
6902         * testsuite/Makefile.am (INCLUDES): Add -I.. .
6903         (TLS_TEST_C_FLAGS): New variable.
6904         (tls_test_c_pic.o): New target.
6905         (tls_test_shared.so): Link in tls_test_c_pic.o.
6906         (tls_test_c_pic_ie.o): New target.
6907         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6908         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6909         (tls_test_c.o): New target.
6910         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6911         (tls_pic_test_LDADD): Likewise.
6912         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6913         (tls_shared_gd_to_ie_test_LDADD): Likewise.
6914         (tls_test_c_gnu2.o): New target.
6915         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6916         tls_test_c_gnu2.o.
6917         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6918         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6919         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6920         * testsuite/tls_test.cc: Include "config.h".
6921         (t_last): Call t11_last.
6922         * testsuite/tls_test.h (t11, t11_last): Declare.
6923         * testsuite/tls_test_c.c: New file.
6924         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6925         * configure.ac: Check for OpenMP support.
6926         * configure, config.in, Makefile.in: Rebuild.
6927         * testsuite/Makefile.in: Rebuild.
6929 2008-04-16  Cary Coutant  <ccoutant@google.com>
6931         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6932         (Target_i386::tls_base_symbol_defined_): New field.
6933         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6934         (Target_i386::Scan::global): Likewise.
6935         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6936         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6937         (Target_x86_64::tls_base_symbol_defined_): New field.
6938         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6939         (Target_x86_64::Scan::global): Likewise.
6941 2008-04-16  Cary Coutant  <ccoutant@google.com>
6943         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6944         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6945         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6946         building shared libraries.
6947         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6948         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6949         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6950         * testsuite/Makefile.in: Rebuild.
6951         * testsuite/weak_undef.h: New file.
6952         * testsuite/weak_undef_file1.cc: Add extra test cases.
6953         * testsuite/weak_undef_file2.cc: Likewise.
6954         * testsuite/weak_undef_test.cc: Likewise.
6956 2008-04-16  David S. Miller  <davem@davemloft.net>
6958         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6959         Add issued_non_pic_error_ field.  Declare check_non_pic.
6960         (Target_sparc::Scan::check_non_pic): New function.
6961         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6962         (Target_sparc::Scan::global): Likewise.
6964         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6965         * configure: Rebuild.
6967         * options.h (DEFINE_enable): New macro.
6968         (new_dtags): New enable option.
6969         (initfirst, interpose, loadfltr, nodefaultlib,
6970         nodelete, nodlopen, nodump): New -z options.
6971         * layout.cc (Layout:finish_dynamic_section): If new
6972         dtags enabled, emit DT_RUNPATH.  Also, emit a
6973         DT_FLAGS_1 containing any specified -z flags.
6975 2008-04-16  Ian Lance Taylor  <iant@google.com>
6977         * copy-relocs.cc: New file.
6978         * copy-relocs.h: New file.
6979         * reloc.cc: Remove Copy_relocs code.
6980         * reloc.h: Likewise.
6981         * reloc-types.h (struct Reloc_types) [both versions]: Add
6982         get_reloc_addend_noerror.
6983         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6984         variants of add_global which take an addend which must be zero.
6985         * i386.cc: Include "copy-relocs.h".
6986         (class Target_i386): Change type of copy_relocs_ to variable,
6987         update initializer.
6988         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6989         Change all callers.
6990         (Target_i386::do_finalize_sections): Change handling of
6991         copy_relocs_.
6992         * sparc.cc: Include "copy-relocs.h".
6993         (class Target_sparc): Change type of copy_relocs_ to variable,
6994         update initializer.
6995         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6996         Change all callers.
6997         (Target_sparc::do_finalize_sections): Change handling of
6998         copy_relocs_.
6999         * x86_64.cc: Include "copy-relocs.h".
7000         (class Target_x86_64): Change type of copy_relocs_ to variable,
7001         update initializer.
7002         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7003         class.  Change all callers.
7004         (Target_x86_64::do_finalize_sections): Change handling of
7005         copy_relocs_.
7006         * Makefile.am (CCFILES): Add copy-relocs.cc.
7007         (HFILES): Add copy-relocs.h.
7009         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7011         * testsuite/script_test_4.sh: Permit leading zeroes.
7013 2008-04-15  Ian Lance Taylor  <iant@google.com>
7015         * script-sections.cc (Script_sections::create_segments): Use
7016         header_size_adjustment even when there is enough room for the
7017         headers.
7018         * testsuite/script_test_4.sh: New file.
7019         * testsuite/script_test_4.t: New file.
7020         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7021         (check_DATA): Add script_test_4.stdout.
7022         (MOSTLYCLEANFILES): Likewise.
7023         (script_test_4): New target.
7024         (script_test_4.stdout): New target.
7025         * testsuite/Makefile.in: Rebuild.
7027         * sparc.cc: Add definitions for Output_data_plt_sparc class
7028         constants.
7030 2008-04-14  David S. Miller  <davem@davemloft.net>
7032         * sparc.cc: New file.
7033         * Makefile.am (TARGETSOURCES): Add sparc.cc
7034         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7035         * configure.tgt: Document targ_extra_size and
7036         targ_extra_big_endian.  Add entries for sparc-* and
7037         sparc64-*.
7038         * configure.ac: Handle targ_extra_size and
7039         targ_extra_big_endian.
7040         * Makefile.in: Rebuild.
7041         * configure: Likewise.
7042         * po/POTFILES.in: Likewise.
7043         * po/gold.pot: Likewise.
7045 2008-04-14  Ian Lance Taylor  <iant@google.com>
7047         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7048         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7049         in the name/type/flags to section mapping.  Don't call
7050         allocate_output_section.
7051         (Layout::choose_output_section): Change parameter from adjust_name
7052         to is_input_section.  Don't permit input sections after sections
7053         are attached to segments.  Don't call allocate_output_section.
7054         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7055         not write_enable_output_section.
7056         (Layout::make_output_section): Don't push to
7057         unattached_section_list_ nor call attach_to_segment.  Call
7058         attach_section_to_segment if sections are attached.
7059         (Layout::attach_sections_to_segments): New function.
7060         (Layout::attach_section_to_segment): New function.
7061         (Layout::attach_allocated_section_to_segment): Rename from
7062         attach_to_segment.  Remove flags parameter.
7063         (Layout::allocate_output_section): Remove function.
7064         (Layout::write_enable_output_section): Remove function.
7065         * layout.h (class Layout): Update for above changes.  Add new
7066         field sections_are_attached_.
7067         * output.h (Output_section::update_flags_for_input_section): New
7068         function.
7069         * output.cc (Output_section::add_input_section): Call
7070         update_flags_for_input_section.
7071         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7073 2008-04-11  Cary Coutant  <ccoutant@google.com>
7075         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7076         thought unnecessary.
7077         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7079 2008-04-11  Ian Lance Taylor  <iant@google.com>
7081         * output.h (class Output_section_data): Remove inline definition
7082         of set_addralign.
7083         * output.cc (Output_section_data::set_addralign): New function.
7085 2008-04-11  Cary Coutant  <ccoutant@google.com>
7087         Add support for TLS descriptors for i386 and x86_64.
7088         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7089         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7090         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7091         GOT_TYPE_TLS_DESC.
7092         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7093         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7094         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7095         relocations.
7096         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7097         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7098         Fix problem with initial-exec relocations.
7099         (Target_i386::Relocate::relocate_tls): Likewise.
7100         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7101         relaxation.
7102         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7103         support for section-plus-offset dynamic table entries.
7104         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7105         (Output_data_dynamic::Dynamic_entry): Add support for
7106         section-plus-offset dynamic table entries.
7107         (Output_data_dynamic::Classification): Likewise.
7108         (Output_data_dynamic::classification_): Renamed offset_.
7109         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7110         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7111         (Target_x86_64::make_plt_section): New function.
7112         (Target_x86_64::reserve_tlsdesc_entries): New function.
7113         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7114         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7115         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7116         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7117         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7118         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7119         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7120         add extra PLT entry for TLS descriptors.
7121         (Output_data_plt_x86_64::got_): New field.
7122         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7123         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7124         fields.
7125         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7126         descriptors.
7127         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7128         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7129         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7130         R_386_TLS_DESC_CALL relocations.
7131         (Target_x86_64::Scan::global): Likewise.
7132         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7133         for TLS descriptors.
7134         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7135         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7136         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7137         GD-to-IE relaxation.
7138         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7139         and TLS_DESCRIPTORS.
7140         * Makefile.in: Rebuild.
7141         * configure: Rebuild.
7142         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7143         (tls_test_shared2.so): New target.
7144         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7145         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7146         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7147         (tls_shared_gd_to_ie_test_LDADD): New variable.
7148         (tls_shared_gnu2_gd_to_ie_test): New target.
7149         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7150         New targets.
7151         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7152         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7153         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7154         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7155         (tls_shared_gnu2_test): New target.
7156         (tls_test_gnu2_shared.so): New target.
7157         (tls_shared_gnu2_test_SOURCES): New variable.
7158         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7159         (tls_shared_gnu2_test_LDFLAGS): New variable.
7160         (tls_shared_gnu2_test_LDADD): New variable.
7161         * testsuite/Makefile.in: Rebuild.
7162         * testsuite/Makefile.
7164 2008-04-11  Ian Lance Taylor  <iant@google.com>
7166         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7167         justsyms.t.
7168         * testsuite/Makefile.in: Rebuild.
7170         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7171         long.
7172         * testsuite/script_test_2.cc (main): Adjust test.
7174 2008-04-11  David S. Miller  <davem@davemloft.net>
7175             Ian Lance Taylor  <iant@google.com>
7177         * options.h (General_options): Add entries for '-Y' and
7178         '-relax'.
7179         * options.cc (General_options:finalize): If -Y was used, add those
7180         entries to the library path instead of the default "/lib" and
7181         "/usr/lib".
7183 2008-04-11  David S. Miller  <davem@davemloft.net>
7185         * testsuite/justsyms.t: Start at 0x100.
7186         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7187         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7188         long.
7189         * testsuite/script_test_2.cc: Adjust string and section length
7190         checks.
7192 2008-04-09  Ian Lance Taylor  <iant@google.com>
7194         PR gold/5996
7195         * script-sections.cc (Sections_element::allocate_to_segment): Add
7196         orphan parameter.
7197         (Output_section_definition::allocate_to_segment): Likewise.
7198         (Orphan_output_section::allocate_to_segment): Likewise.
7199         (Script_sections::attach_sections_using_phdrs_clause): Don't
7200         propagate non-PT_LOAD segments to orphan sections.
7201         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7202         readelf rather than objdump.
7203         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7204         .interp section and PT_INTERP segment are the same size.
7205         * testsuite/Makefile.in: Rebuild.
7207         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7208         aliases for symbols defined in the same object.
7209         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7210         (weak_alias_test_SOURCES): New variable.
7211         (weak_alias_test_DEPENDENCIES): New variable.
7212         (weak_alias_test_LDFLAGS): New variable.
7213         (weak_alias_test_LDADD): New variable.
7214         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7215         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7216         (weak_alias_test_3.o): New target.
7217         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7218         * testsuite/weak_alias_test_main.cc: New file.
7219         * testsuite/weak_alias_test_1.cc: New file.
7220         * testsuite/weak_alias_test_2.cc: New file.
7221         * testsuite/weak_alias_test_3.cc: New file.
7223 2008-04-08  Ian Lance Taylor  <iant@google.com>
7225         * options.h (class General_options): Add --noinhibit-exec option.
7226         * main.cc (main): Check --noinhibit-exec.
7228         * options.h (class General_options): Define --wrap as a special
7229         option.  Add wrap_symbols_ field.
7230         (General_options::any_wrap_symbols): New function.
7231         (General_options::is_wrap_symbol): New function.
7232         * options.cc (General_options::parse_wrap): New function.
7233         (General_options::General_options): Initialize wrap_symbols_.
7234         * symtab.cc (Symbol_table::wrap_symbol): New function.
7235         (Symbol_table::add_from_object): Handle --wrap.
7236         * symtab.h (class Symbol_table): Declare wrap_symbol.
7237         * target.h (Target::wrap_char): New function.
7238         (Target::Target_info): Add wrap_char field.
7239         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7240         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7241         * testsuite/testfile.cc (Target_test::test_target_info):
7242         Likewise.
7244         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7245         there is one.
7247         * layout.h (class Layout): Add added_eh_frame_data_ field.
7248         * layout.cc (Layout::Layout): Initialize new field.
7249         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7250         output section until we find a section we merged successfully.
7251         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7252         that the size be non-zero.
7254         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7255         qualifier.
7257 2008-04-08  Craig Silverstein  <csilvers@google.com>
7259         * configure.ac: Export new conditional variable HAVE_ZLIB.
7260         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7261         on HAVE_ZLIB.
7262         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7263         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7265 2008-04-07  Ian Lance Taylor  <iant@google.com>
7267         * version.cc (version_string): Set to "1.5".
7269         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7270         Add issued_non_pic_error_ field.  Declare check_non_pic.
7271         (Target_x86_64::Scan::check_non_pic): New function.
7272         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7273         (Target_x86_64::Scan::global): Likewise.
7275         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7276         addend parameter.  Change caller.  Handle merge sections.
7277         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7278         Address to Addend.  Don't add in the result of
7279         local_section_offset, pass down the addend and use the returned
7280         value.
7281         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7282         Update declarations of local_section_offset and symbol_value.
7283         * testsuite/two_file_test_1.cc (t18): New function.
7284         * testsuite/two_file_test_2.cc (f18): New function.
7285         * testsuite/two_file_test_main.cc (main): Call t18.
7286         * testsuite/two_file_test.h (t18, f18): Declare.
7288         * configure.ac: Don't test for objdump, c++filt, or readelf.
7289         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7290         conditionals.
7291         (TEST_READELF): New variable.
7292         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7293         (check_PROGRAMS): Add two_file_strip_test.
7294         (two_file_strip_test): New target.
7295         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7296         (two_file_same_shared_strip_test_SOURCES): New variable.
7297         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7298         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7299         (two_file_same_shared_strip_test_LDADD): New variable.
7300         (two_file_shared_strip.so): New target.
7301         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7302         (ver_test_5.syms, ver_test_7.syms): Likewise.
7303         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7304         (strip_test_3.stdout): Use TEST_OBJDUMP.
7305         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7307 2008-04-04  Cary Coutant  <ccoutant@google.com>
7309         * symtab.h (Symbol::is_weak_undefined): New function.
7310         (Symbol::is_strong_undefined): New function.
7311         (Symbol::is_absolute): New function.
7312         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7313         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7314         absolute symbols.
7315         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7316         (weak_undef_test): New target.
7317         * testsuite/Makefile.in: Rebuild.
7318         * testsuite/weak_undef_file1.cc: New file.
7319         * testsuite/weak_undef_file2.cc: New file.
7320         * testsuite/weak_undef_test.cc: New file.
7322 2008-04-03  Craig Silverstein  <csilvers@google.com>
7324         * compressed_output.h (class Output_compressed_section): Use
7325         unsigned buffer.
7326         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7327         add zlib header.
7328         (zlib_compressed_suffix): Removed.
7329         (Output_compressed_section::set_final_data_size): Use unsigned
7330         buffers.
7331         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7332         Fix linker invocation.
7333         (flagstest_o_specialfile_and_compress_debug_sections):
7334         Likewise.
7335         * testsuite/Makefile.in: Regenerated.
7337 2008-04-02  David S. Miller  <davem@davemloft.net>
7339         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7340         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7342 2008-04-02  Craig Silverstein  <csilvers@google.com>
7344         * TODO: New file.
7346 2008-04-02  Ian Lance Taylor  <iant@google.com>
7348         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7349         parameters.  Update for new key type to views_.  Change all
7350         callers.
7351         (File_read::read): Adjust for byteshift in returned view.
7352         (File_read::add_view): New function, broken out of
7353         find_and_make_view.
7354         (File_read::make_view): New function, broken out of
7355         find_and_make_view.
7356         (File_read::find_or_make_view): Add offset and aligned
7357         parameters.  Rewrite accordingly.  Change all callers.
7358         (File_read::get_view): Add offset and aligned parameters.  Adjust
7359         for byteshift in return value.
7360         (File_read::get_lasting_view): Likewise.
7361         * fileread.h (class File_read): Update declarations.
7362         (class File_read::View): Add byteshift_ field.  Add byteshift to
7363         constructor.  Add byteshift method.
7364         * archive.h (Archive::clear_uncached_views): New function.
7365         (Archive::get_view): Add aligned parameter.  Change all callers.
7366         * object.h (Object::get_view): Add aligned parameter.  Change all
7367         callers.
7368         (Object::get_lasting_view): Likewise.
7370         * fileread.cc (File_read::release): Don't call clear_views if
7371         there are multiple objects.
7372         * fileread.h (File_read::clear_uncached_views): New function.
7373         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7374         on the archive.
7376 2008-03-31  Cary Coutant  <ccoutant@google.com>
7378         Add thin archive support.
7379         * archive.cc (Archive::armagt): New const.
7380         (Archive::setup): Remove task parameter and calls to unlock.
7381         (Archive::unlock_nested_archives): New function.
7382         (Archive::read_header): Add nested_off parameter. Change
7383         all callers.
7384         (Archive::interpret_header): Likewise.
7385         (Archive::include_all_members): Change to handle thin
7386         archives.
7387         (Archive::include_member): Likewise.
7388         * archive.h (Archive::Archive): Add new parameters and
7389         initializers.
7390         (Archive::armagt): New const.
7391         (Archive::setup): Remove task parameter.
7392         (Archive::unlock_nested_archives): New function.
7393         (Archive::read_header): Add nested_off parameter.
7394         (Archive::interpret_header): Likewise.
7395         (Archive::Nested_archive_table): New typedef.
7396         (Archive::is_thin_archive_): New field.
7397         (Archive::nested_archives_): New field.
7398         (Archive::options_): New field.
7399         (Archive::dirpath_): New field.
7400         (Archive::task_): New field.
7401         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7402         for thin archives.  Pass additional parameters to
7403         Archive::Archive.  Unlock the archive file after calling
7404         Archive::setup.
7406 2008-03-29  Ian Lance Taylor  <iant@google.com>
7408         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7409         version symbol to be local.
7410         * testsuite/ver_test_4.sh: New file.
7411         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7412         (check_DATA): Add ver_test_4.syms.
7413         (ver_test_4.syms): New target.
7414         * testsuite/Makefile.in: Rebuild.
7416         * output.cc
7417         (Output_section::Input_section_sort_entry::has_priority): New
7418         function.
7419         (Output_section::Input_section_sort_entry::match_file_name): New
7420         function.
7421         (Output_section::Input_section_sort_entry::match_section_name):
7422         Remove.
7423         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7424         Remove.
7425         (Output_section::Input_section_sort_entry::match_section_file):
7426         Remove.
7427         (Output_section::Input_section_sort_compare::operator()): Rewrite
7428         using new Input_section_sort_entry functions.  Sort crtbegin and
7429         crtend first.  Sort sections with no priority before sections with
7430         a priority.
7431         * testsuite/initpri1.c (d3): Check j != 4.
7432         (cd5): New constructor/destructor function.
7433         (main): Check j != 2.
7435         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7436         new symbol when resolving, don't call set_is_default.
7437         * testsuite/ver_test_7.cc: New file.
7438         * testsuite/ver_test_7.sh: New file.
7439         * testsuite/Makefile.am (ver_test_7.so): New target.
7440         (ver_test_7.o): New target.
7441         (check_SCRIPTS): Add ver_test_7.sh.
7442         (check_DATA): Add ver_test_7.syms.
7443         (ver_test_7.syms): New target.
7445 2008-03-28  Ian Lance Taylor  <iant@google.com>
7447         * layout.cc (Layout::layout): If we see an input section with a
7448         name that needs sorting, set the must_sort flag for the output
7449         section.
7450         (Layout::make_output_section): If the name of the output section
7451         indicates that it might require sorting, set the may_sort flag.
7452         * output.h (Output_section::may_sort_attached_input_sections): New
7453         function.
7454         (Output_section::set_may_sort_attached_input_sections): New
7455         function.
7456         (Output_section::must_sort_attached_input_sections): New
7457         function.
7458         (Output_section::set_must_sort_attached_input_sections): New
7459         function.
7460         (class Output_section): Declare Input_section_sort_entry.  Define
7461         Input_section_sort_compare.  Declare
7462         sort_attached_input_sections.  Add new fields:
7463         may_sort_attached_input_sections_,
7464         must_sort_attached_input_sections_,
7465         attached_input_sections_are_sorted_.
7466         * output.cc (Output_section::Output_section): Initialize new
7467         fields.
7468         (Output_section::add_input_section): Add an entry to
7469         input_sections_ if may_sort or must_sort are true.
7470         (Output_section::set_final_data_size): Call
7471         sort_attached_input_sections if necessary.
7472         (Output_section::Input_section_sort_entry): Define new class.
7473         (Output_section::Input_section_sort_compare::operator()): New
7474         function.
7475         (Output_section::sort_attached_input_sections): New function.
7476         * configure.ac: Check whether the compiler supports constructor
7477         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7478         * testsuite/initpri1.c: New file.
7479         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7480         CONSTRUCTOR_PRIORITY.
7481         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7482         (initpri1_LDFLAGS): New variable.
7483         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7485 2008-03-27  Ian Lance Taylor  <iant@google.com>
7487         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7488         * testsuite/common_test_1.c: New file.
7489         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7490         (common_test_1_SOURCES): New variable.
7491         (common_test_1_DEPENDENCIES): New variable.
7492         (common_test_1_LDFLAGS): New variable.
7494         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7495         and commons_ correctly when NAME/VERSION does not override
7496         NAME/NULL.
7497         * testsuite/ver_test_6.c: New file.
7498         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7499         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7500         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7502 2008-03-26  Ian Lance Taylor  <iant@google.com>
7504         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7505         of an undefined symbol from a version script.
7506         * testsuite/Makefile.am (ver_test_5.so): New target.
7507         (ver_test_5.o): New target.
7508         (check_SCRIPTS): Add ver_test_5.sh.
7509         (check_DATA): Add ver_test_5.syms.
7510         (ver_test_5.syms): New target.
7511         * testsuite/ver_test_5.cc: New file.
7512         * testsuite/ver_test_5.script: New file.
7513         * testsuite/ver_test_5.sh: New file.
7514         * Makefile.in, testsuite/Makefile.in: Rebuild.
7516         PR gold/5986
7517         Fix problems building gold with gcc 4.3.0.
7518         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7519         (gold_error_at_location, gold_warning_at_location): Use it.
7520         * configure.ac: Check whether we can compile and use a template
7521         function with a printf attribute.
7522         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7523         when jumping over bytes.
7524         * object.cc: Instantiate Object::read_section_data.
7525         * debug.h: Include <cstring>
7526         * dwarf_reader.cc: Include <algorithm>
7527         * main.cc: Include <cstring>.
7528         * options.cc: Include <cstring>.
7529         * output.cc: Include <cstring>.
7530         * script.cc: Include <cstring>.
7531         * script.h: Include <string>.
7532         * symtab.cc: Include <cstring> and <algorithm>.
7533         * target-select.cc: Include <cstring>.
7534         * version.cc: Include <string>.
7535         * testsuite/testmain.cc: Include <cstdlib>.
7536         * configure, config.in: Rebuild.
7538 2008-03-25  Ian Lance Taylor  <iant@google.com>
7540         * options.cc: Include "../bfd/bfdver.h".
7541         (options::help): Print bug reporting address.
7543         * version.cc (print_version): Adjust output for current value of
7544         BFD_VERSION_STRING.
7546         * NEWS: New file.
7548         * options.cc (options::help): Print list of supported targets.
7549         * target-select.h: Include <vector>.
7550         (class Target_selector): Make machine_, size_, and is_big_endian_
7551         fields const.  Add bfd_name_ and instantiated_target_ fields.
7552         (Target_selector::Target_selector): Add bfd_name parameter.
7553         (Target_selector::recognize): Make non-virtual, call
7554         do_recognize.
7555         (Target_selector::recognize_by_name): Make non-virtual, call
7556         do_recognize_by_name.
7557         (Target_selector::supported_names): New function.
7558         (Target_selector::bfd_name): New function.
7559         (Target_selector::do_instantiate_target): New pure virtual
7560         function.
7561         (Target_selector::do_recognize): New virtual function.
7562         (Target_selector::do_recognize_by_name): New virtual function.
7563         (Target_selector::instantiate_target): New private function.
7564         (supported_target_names): Declare.
7565         * target-select.cc (Target_selector::Target_selector): Update for
7566         new parameter and fields.
7567         (select_target_by_name): Check that the name matches before
7568         calling recognize_by_name.
7569         (supported_target_names): New function.
7570         * i386.cc (class Target_selector_i386): Update Target_selector
7571         constructor call.  Remove recognize and recognize_by_name.  Add
7572         do_instantiate_target.
7573         * x86_64.cc (class Target_selector_x86_64): Likewise.
7574         * testsuite/testfile.cc (class Target_selector_test): Update for
7575         changes to Target_selector.
7577         * README: Rewrite, with some notes on unsupported features.
7579 2008-03-24  Cary Coutant  <ccoutant@google.com>
7581         * i386.cc (Target_i386::Got_type): New enum declaration.
7582         (Target_i386::Scan::local): Updated callers of Output_data_got
7583         member functions.
7584         (Target_i386::Scan::global): Likewise.
7585         (Target_i386::Relocate::relocate): Likewise.
7586         (Target_i386::Relocate::relocate_tls): Likewise.
7587         * object.h (Got_offset_list): New class.
7588         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7589         (Sized_relobj::local_got_offset): Likewise.
7590         (Sized_relobj::set_local_got_offset): Likewise.
7591         (Sized_relobj::local_has_tls_got_offset): Removed.
7592         (Sized_relobj::local_tls_got_offset): Removed.
7593         (Sized_relobj::set_local_tls_got_offset): Removed.
7594         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7595         * output.cc (Output_data_got::add_global): Added got_type parameter.
7596         (Output_data_got::add_global_with_rel): Likewise.
7597         (Output_data_got::add_global_with_rela): Likewise.
7598         (Output_data_got::add_global_pair_with_rel): New function.
7599         (Output_data_got::add_global_pair_with_rela): New function.
7600         (Output_data_got::add_local): Added got_type parameter.
7601         (Output_data_got::add_local_with_rel): Likewise.
7602         (Output_data_got::add_local_with_rela): Likewise.
7603         (Output_data_got::add_local_pair_with_rel): New function.
7604         (Output_data_got::add_local_pair_with_rela): New function.
7605         (Output_data_got::add_global_tls): Removed.
7606         (Output_data_got::add_global_tls_with_rel): Removed.
7607         (Output_data_got::add_global_tls_with_rela): Removed.
7608         (Output_data_got::add_local_tls): Removed.
7609         (Output_data_got::add_local_tls_with_rel): Removed.
7610         (Output_data_got::add_local_tls_with_rela): Removed.
7611         * output.h (Output_data_got::add_global): Added got_type parameter.
7612         (Output_data_got::add_global_with_rel): Likewise.
7613         (Output_data_got::add_global_with_rela): Likewise.
7614         (Output_data_got::add_global_pair_with_rel): New function.
7615         (Output_data_got::add_global_pair_with_rela): New function.
7616         (Output_data_got::add_local): Added got_type parameter.
7617         (Output_data_got::add_local_with_rel): Likewise.
7618         (Output_data_got::add_local_with_rela): Likewise.
7619         (Output_data_got::add_local_pair_with_rel): New function.
7620         (Output_data_got::add_local_pair_with_rela): New function.
7621         (Output_data_got::add_global_tls): Removed.
7622         (Output_data_got::add_global_tls_with_rel): Removed.
7623         (Output_data_got::add_global_tls_with_rela): Removed.
7624         (Output_data_got::add_local_tls): Removed.
7625         (Output_data_got::add_local_tls_with_rel): Removed.
7626         (Output_data_got::add_local_tls_with_rela): Removed.
7627         * resolve.cc (Symbol::override_base_with_special): Removed
7628         reference to has_got_offset_ field.
7629         * symtab.cc (Symbol::init_fields): Replaced initialization
7630         of got_offset_ with got_offsets_.  Removed initialization
7631         of has_got_offset_
7632         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7633         (Symbol::got_offset): Likewise.
7634         (Symbol::set_got_offset): Likewise.
7635         (Symbol::has_tls_got_offset): Removed.
7636         (Symbol::tls_got_offset): Removed.
7637         (Symbol::set_tls_got_offset): Removed.
7638         (Symbol::got_offset_): Removed.
7639         (Symbol::tls_mod_got_offset_): Removed.
7640         (Symbol::tls_pair_got_offset_): Removed.
7641         (Symbol::got_offsets_): New field.
7642         (Symbol::has_got_offset): Removed.
7643         (Symbol::has_tls_mod_got_offset): Removed.
7644         (Symbol::has_tls_pair_got_offset): Removed.
7645         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7646         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7647         member functions.
7648         (Target_x86_64::Scan::global): Likewise.
7649         (Target_x86_64::Relocate::relocate): Likewise.
7650         (Target_x86_64::Relocate::relocate_tls): Likewise.
7652 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7654         * yyscript.y: Fix spelling error in comment.
7656 2008-03-24  Ian Lance Taylor  <iant@google.com>
7658         * options.h (class General_options): Define build_id option.
7659         * layout.h (class Layout): Declare write_build_id, create_note,
7660         create_build_id.  Add build_id_note_ member.
7661         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7662         "libiberty.h", "md5.h", "sha1.h".
7663         (Layout::Layout): Initialize eh_frame_data_,
7664         eh_frame_hdr_section_, and build_id_note_.
7665         (Layout::finalize): Call create_build_id.
7666         (Layout::create_note): New function, broken out of
7667         Layout::create_gold_note.
7668         (Layout::create_gold_note): Call create_note.
7669         (Layout::create_build_id): New function.
7670         (Layout::write_build_id): New function.
7671         (Close_task_runner::run): Call write_build_id.
7673         * x86_64.cc: Correct license to GPLv3.
7675 2008-03-23  Ian Lance Taylor  <iant@google.com>
7677         * options.cc: Include "demangle.h".
7678         (parse_optional_string): New function.
7679         (parse_long_option): Handle takes_optional_argument.
7680         (parse_short_option): Update dash_z initializer.  Handle
7681         takes_optional_argument.
7682         (General_options::General_options): Initialize do_demangle_.
7683         (General_options::finalize): Set do_demangle_.  Handle demangling
7684         style.
7685         * options.h (parse_optional_string): Declare.
7686         (struct One_option): Add optional_arg field.  Update constructor.
7687         Update call constructor calls.  Add takes_optional_argument
7688         function.
7689         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7690         (DEFINE_optional_string): Define.
7691         (General_options::demangle): Change from DEFINE_bool to
7692         DEFINE_optional_string.
7693         (General_options::no_demangle): New function.
7694         (General_options::do_demangle): New function.
7695         (General_options::set_do_demangle): New function.
7696         (General_options::execstack_status_): Move definition to end of
7697         class definition.
7698         (General_options::static_): Likewise.
7699         (General_options::do_demangle_): New field.
7700         * object.cc (big_endian>::get_symbol_location_info): Call
7701         Options::do_demangle, not Options::demangle.
7702         * symtab.cc (demangle): Likewise.
7704 2008-03-22  Ian Lance Taylor  <iant@google.com>
7706         * gold.h: Include <cstddef> and <sys/types.h>
7707         * options.h: Include <cstring>.
7709 2008-03-21  Ian Lance Taylor  <iant@google.com>
7711         * Added source code to GNU binutils.