Restore "call|jmp [xtrn]" in x86 assembler.
[binutils/xnox.git] / gold / ChangeLog
blob5b5026461690fffc3aa4171215f3c1332a211187
1 2010-04-24  Ian Lance Taylor  <iant@google.com>
3         * layout.cc (Layout::layout_reloc): In relocatable link don't
4         combine reloc sections for grouped sections.
6 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
8         * gc.h (gc_process_relocs): Pass information on relocs pointing to
9         sections that are not ordinary to icf.
10         * icf.cc (get_section_contents): Handle relocation pointing to section
11         with no object or shndx information.
12         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
13         * testsuite/Makefile.in: Regenerate.
14         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
15         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
17 2010-04-22  Ian Lance Taylor  <iant@google.com>
19         * expression.cc (Expression::Expression_eval_info): Add
20         result_alignment_pointer field.
21         (Expression::eval_with_dot): Add result_alignment_pointer
22         parameter.  Change all callers.
23         (Expression::eval_maybe_dot): Likewise.
24         (class Binary_expression): Add alignment_pointer parameter to
25         left_value and right_value.  Change all callers.
26         (BINARY_EXPRESSION): Set result alignment.
27         (class Trinary_expression): Add alignment_pointer parameter to
28         arg2_value and arg3_value.  Change all callers.
29         (Trinary_cond::value): Set result alignment.
30         (Max_expression::value, Min_expression::value): Likewise.
31         (Align_expression::value): Likewise.
32         * script-sections.cc (class Sections_element): Add dot_alignment
33         parameter to set_section_addresses virtual function.  Update
34         instantiations.
35         (class Output_section_element): Likewise.
36         (Script_sections::create_segments): Add dot_alignment parameter.
37         Change all callers.
38         (Script_sections::create_segments_from_phdrs_clause): Likewise.
39         (Script_sections::set_phdrs_clause_addresses): Likewise.
40         * script-sections.h: Update declarations.
41         * script.h: Update declarations.
42         * output.h (Output_segment::set_minimum_p_align): Don't decrease
43         min_p_align.
44         * testsuite/script_test_3.t: Set large alignment.
45         * testsuite/script_test_3.sh: Make sure that at least one LOAD
46         segment has expected alignment.
48 2010-04-22  Nick Clifton  <nickc@redhat.com>
50         * po/gold.pot: Updated by the Translation project.
51         * po/vi.po: Updated Vietnamese translation.
53 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
55         * testsuite/Makefile.am (check_PROGRAMS): Add
56         icf_virtual_function_folding_test.
57         * testsuite/Makefile.in: Regenerated.
59 2010-04-15  Andrew Haley  <aph@redhat.com>
61         * options.h (merge_exidx_entries): New option.
62         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
63         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
64         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
65         (Target_arm::merge_exidx_entries): New function.
66         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
67         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
68         to Arm_exidx_fixup constructor.
69         Add new arg, merge_exidx_entries.
70         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
71         Arm_output_section::fix_exidx_coverage.
73 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
75         * icf.cc (get_section_contents): Check for preemptible functions.
76         Ignore addend when appropriate.
77         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
78         section folded.
79         (add_from_relobj): Check for section folded.
80         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
81         * symtab.h (should_add_dynsym_entry): Add new parameter.
82         * target-reloc.h (scan_relocs): Check for section folded.
83         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
84         Check reloc types for function pointers in shared objects.
85         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
86         case.
87         (icf_preemptible_functions_test): New test case.
88         (icf_string_merge_test): New test case.
89         * testsuite.Makefile.in: Regenerate.
90         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
91         bar_glob.  Refactor code.
92         * testsuite/icf_preemptible_functions_test.cc: New file.
93         * testsuite/icf_preemptible_functions_test.sh: New file.
94         * testsuite/icf_string_merge_test.cc: New file.
95         * testsuite/icf_string_merge_test.sh: New file.
96         * testsuite/icf_virtual_function_folding_test.cc: New file.
97         * testsuite/icf_virtual_function_folding_test.sh: New file.
99 2010-04-14  Doug Kwan  <dougkwan@google.com>
101         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
102         for local symbol recounting if we remove a section due to ICF.
103         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
104         there are no regular objects in input.
106 2010-04-13  Doug Kwan  <dougkwan@google.com>
108         * arm.cc (Arm_input_section::set_final_data_size): Compute
109         accurate final data size instead of using current data size.
111 2010-04-09  Doug Kwan  <dougkwan@google.com>
113         * layout.cc (Layout::choose_output_section): Handle script section
114         types.
115         (Layout::make_output_section_for_script): Add section type parameter.
116         Handle script section types.
117         * layout.h (Layout::make_output_section_for_script): Add section
118         type parameter.
119         * output.cc (Output_section::Output_section): Initialize data member
120         is_noload_.
121         (Output_section::do_reset_address_and_file_offset): Do not set address
122         to 0 if section is a NOLOAD section.
123         * output.h (Output_section::is_noload): New method.
124         (Output_section::set_is_noload): Ditto.
125         (Output_section::is_noload_): New data member.
126         * script-c.h (Script_section_type): New enum type.
127         (struct Parser_output_section_header): Add new file section_type.
128         * script-sections.cc (Sections_element::output_section_name): Add
129         parameter for returning script section type.
130         (Output_section_definition::output_section_name): Ditto.
131         (Output_section_definition::section_type)P; New method.
132         (Output_section_definiton::script_section_type_name): Ditto.
133         (Output_section_definition::script_section_type_): New data member.
134         (Output_section_definition::Output_section_definition): Initialize
135         data member Output_section_definition::script_section_type_.
136         (Output_section_definition::create_sections): Pass script section type
137         to Layout::make_output_section_for_script.
138         (Output_section_definition::output_section_name): Return script
139         section type to caller.
140         (Output_section_definition::set_section_address): Do not advance
141         dot value and load address if section type is NOLOAD.  Set address
142         of NOLOAD sections regardless of section flags.
143         (Output_section_definition::print): Print section type if it is
144         not SCRIPT_SECTION_TYPE_NONE.
145         (Output_section_definition::section_type): New method.
146         (Output_section_definition::script_section_type_name): Ditto.
147         (Script_sections::output_section_name): Add new parameter
148         PSECTION_TYPE for returning script section type.  Pass it to
149         section elements.  Handle discard sections.
150         (Sort_output_sections::operator()): Handle NOLOAD sections.
151         * script-sections.h (Script_sections::Section_type): New enum type.
152         (Script_sections::output_section_name): Add a new parameter for
153         returning script section type.
154         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
155         INFO and NOLOAD.
156         * yyscript.y (union): Add new field SECTION_TYPE.
157         (COPY, DSECT, INFO, NOLOAD): New tokens.
158         (opt_address_and_section_type): Change type to output_section_header.
159         (section_type): New non-terminal
160         (section_header): Handle section type.
161         (opt_address_and_section_type): Return section type value.
163 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
165         * testsuite/plugin_common_test_1.c (foo): Add prototype.
166         * testsuite/plugin_common_test_2.c (foo): Likewise.
168 2010-04-08  Doug Kwan  <dougkwan@google.com>
170         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
171         Output_merge_data.
172         * output.cc (Output_section::add_merge_input_section): Simplify
173         code and return status of Output_merge_base::add_input_section.
174         Update merge section map only if Output_merge_base::add_input_section 
175         returns true.
177 2010-04-07  Doug Kwan  <dougkwan@google.com>
179         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
180         if section is marked as containing instructions but has no mapping
181         symbols.
182         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
183         correct section index.
184         (Arm_relobj::find_linked_text_section): Ditto.
186 2010-04-07  Cary Coutant  <ccoutant@google.com>
188         * archive.cc (include_member): Destroy Read_symbols_data object before
189         releasing file.
190         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
191         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
192         (Read_symbols_data::~Read_symbols_data) New destructor.
193         (Section_relocs::Section_relocs) New constructor.
194         (Section_relocs::~Section_relocs) New destructor.
195         (Read_relocs_data::Read_relocs_data) New constructor.
196         (Read_relocs_data::~Read_relocs_data) New destructor.
197         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
198         pointers to NULL after deleting.
200 2010-04-07  Doug Kwan  <dougkwan@google.com>
202         * arm.cc: Replace "endianity" with "endianness" in comments.
203         (Arm_exidx_cantunwind): Ditto.
204         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
205         (Arm_relobj::merge_flags_and_attributes): New method.
206         (Arm_relobj::merge_flags_and_attributes_): New data member.
207         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
208         (Arm_relobj::scan_sections_for_stubs): Ditto.
209         (Arm_relobj::do_read_symbols): Check to see if we really want to
210         merge processor-specific flags and attributes.  Exit early if
211         an object is empty except for section names and the undefined symbol.
212         (Target_arm::do_finalize_sections): Move check for ELF format to
213         Arm_relobj::do_read_symbols.  Merge processor specific flags and
214         attributes from a regular object only when we have determined that
215         it is aapropriate.  Do not create an .ARM.attributes section in
216         output if there is no regular input object.
217         (Target_arm::merge_processor_specific_flags): Check
218         --warn-mismatch before printing any error.
219         (Target_arm::merge_object_attributes): Ditto.
220         * gold.cc (queue_middle_tasks): Handle the case in which there is
221         no regular object in input.
222         * options.cc (General_options::parse_EB): New method.
223         (General_options::parse_EL): Same.
224         (General_options::General_options): Initialize endianness_.
225         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
226         New options.
227         (General_options::Endianness): New enum.
228         (General_options::endianness): New method.
229         (General_options::endianness_): New data member.
230         * parameters.cc (Parameters::set_options): Check target endianness.
231         (Parameters::set_target_once): Ditto.
232         (Parameters::check_target_endianness): New method.
233         (parameters_force_valid_target): If either -EL or -EB is specified,
234         use it to define endianness of default target.
235         * parameters.h (Parameters::check_target_endianness): New method
236         declaration.
237         * target.h (class Target): Change "endianity" to "endianness"
238         in comments.
240 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
242         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
243         * configure: Regenerate.
244         * Makefile.in: Regenerate.
245         * testsuite/Makefile.in: Regenerate.
247 2010-04-06  Cary Coutant  <ccoutant@google.com>
249         gcc PR lto/42757
250         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
251         prevailing definitions of common symbols.
252         * testsuite/plugin_test_6.sh: New test case.
253         * testsuite/plugin_common_test_1.c: New test case.
254         * testsuite/plugin_common_test_2.c: New test case.
255         * testsuite/Makefile.am (plugin_test_6): New test case.
256         * testsuite/Makefile.in: Regenerate.
258 2010-04-06  Nick Clifton  <nickc@redhat.com>
260         * po/vi.po: New Vietnamese translation.
262 2010-03-30  Doug Kwan  <dougkwan@google.com>
264         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
266 2010-03-25  Doug Kwan  <dougkwan@google.com>
268         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
269         to avoid a conversion warning on a 32-bit host.
271 2010-03-24  Ian Lance Taylor  <iant@google.com>
273         * testsuite/script_test_3.t: Add a TLS segment.
274         * testsuite/Makefile.am (check_PROGRAMS): Add
275         tls_phdrs_script_test.
276         (tls_phdrs_script_test_SOURCES): Define.
277         (tls_phdrs_script_test_DEPENDENCIES): Define.
278         (tls_phdrs_script_test_LDFLAGS): Define.
279         (tls_phdrs_script_test_LDADD): Define.
280         * testsuite/Makefile.in: Rebuild.
282 2010-03-23  Cary Coutant  <ccoutant@google.com>
284         * fileread.cc (find_or_make_view): Fix comment.
286 2010-03-23  Ian Lance Taylor  <iant@google.com>
288         * script-sections.cc (class Orphan_section_placement): Define
289         PLACE_TLS and PLACE_TLS_BSS.
290         (Orphan_section_placement::Orphan_section_placement): Initialize
291         new places.
292         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
293         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
294         (tls_script_test_SOURCES): Define.
295         (tls_script_test_DEPENDENCIES): Define.
296         (tls_script_test_LDFLAGS): Define.
297         (tls_script_test_LDADD): Define.
298         * testsuite/Makefile.in: Rebuild.
300 2010-03-22  Doug Kwan  <dougkwan@google.com>
302         * arm.cc (Arm_relocate_functions::abs8,
303         Arm_relocate_functions::abs16): Use correct check for overflow
304         specified in the ARM ELF specs.
305         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
306         target of a BLX instruction specially.
307         (Reloc_stub::stub_type_for_reloc): Ditto.
308         (Relocate::relocate): Use symbolic names instead of numeric relocation
309         codes to report error.
310         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
311         workaround.
312         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
313         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
314         thumb2_blx_out_of_range.stdout
315         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
316         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
317         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
318         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
319         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
320         thumb2_blx_in_range, thumb2_blx_in_range.o,
321         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
322         thumb2_blx_out_of_range.o): New rules.
323         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
324         thumb2_blx_in_range and thumb2_blx_out_of_range.
325         * testsuite/Makefile.in: Regenerate.
326         * arm_branch_in_range.sh: Add tests for THUMB BLX.
327         * testsuite/thumb_blx_in_range.s: New file.
328         * testsuite/thumb_blx_out_of_range.s: New file.
330 2010-03-22  Rafael Espindola  <espindola@google.com>
332         * archive.cc (Should_include): Move to archive.h.
333         (should_include_member): Make it a member of Archive.
334         (Lib_group): New.
335         (Add_lib_group_symbols): New.
336         * archive.h: Include options.h.
337         (Archive_member): Moved from Archive.
338         (Should_include): Moved from archive.cc.
339         (Lib_group): New.
340         (Add_lib_group_symbols): New.
341         * dynobj.cc (do_should_include_member): New.
342         * dynobj.h (do_should_include_member): New.
343         * gold.cc (queue_initial_tasks): Update call to queue.
344         * main.cc (main): Print lib group stats.
345         * object.cc (do_should_include_member): New.
346         * object.h: Include archive.h.
347         (Object::should_include_member): New.
348         (Object::do_should_include_member): New.
349         (Sized_relobj::do_should_include_member): New.
350         * options.cc (General_options::parse_start_lib): New.
351         (General_options::parse_end_lib): New.
352         (Input_arguments::add_file): Handle lib groups.
353         (Input_arguments::start_group): Check we are not in a lib.
354         (Input_arguments::start_lib): New.
355         (Input_arguments::end_lib): New.
356         * options.h (General_options): Add start_lib and end_lib.
357         (Input_argument::lib_): New.
358         (Input_argument::lib): New.
359         (Input_argument::is_lib): New.
360         (Input_file_lib): New.
361         (Input_arguments::in_lib_): New.
362         (Input_arguments::in_lib): New.
363         (Input_arguments::start_lib): New.
364         (Input_arguments::end_lib_): New.
365         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
366         in unused members as preempted.
367         (Sized_pluginobj::do_should_include_member): New.
368         * plugin.h (Sized_pluginobj::do_should_include_member): New.
369         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
370         return the blocker.
371         (Read_symbols::do_whole_lib_group): New.
372         (Read_symbols::do_lib_group): New.
373         (Read_symbols::do_read_symbols): Handle lib groups.
374         (Read_symbols::get_name): Handle lib groups.
375         * readsyms.h (Read_symbols): Add an archive member pointer.
376         (Read_symbols::do_whole_lib_group): New.
377         (Read_symbols::do_lib_group): New.
378         (Read_symbols::member_): New.
379         * script.cc (read_input_script): Update call to queue_soon.
381 2010-03-19  Doug Kwan  <dougkwan@google.com>
383         * arm.cc (Stub_table::Stub_table): Initialize new data members
384         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
385         (Stub_table::add_reloc_stub): Assign stub offset and update
386         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
387         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
388         New data members.
389         (Stub_table::update_data_size_and_addralign): Use
390         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
391         instead of going over all reloc stubs.
392         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
393         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
394         Stringpool_template::offset_ to size of Stringpool_char.
395         (Stringpool_template::new_key_offset): Remove code to initialize
396         Stringpool_template::offset_.
397         * stringpool.h (Stringpool_template::set_no_zero_null): Set
398         Stringpool_template::offset_ to zero.
400 2010-03-15  Doug Kwan  <dougkwan@google.com>
402         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
403         offset_.
404         (Stringpool_template::new_key_offset): New method.
405         (Stringpool_template::add_string): Assign offsets when adding new
406         strings.
407         (Stringpool_template::set_string_offsets): Do not set string offsets
408         when not optimizing.
409         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
410         member size_.
411         (Chunked_vector::clear): Clear size_.
412         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
413         (Chunked_vector::size): Return size_.
414         (Chunked_vector::push_back): Use size_ to find insert position.
415         (Chunked_vector::size_): New data member. 
416         (Stringpool_template::set_no_zero_null): Assert string set is empty.
417         (Stringpool_template::new_key_offset): New method declaration.
418         (Stringpool_template::offset_): New data member.
420 2010-03-15   Rafael Espindola  <espindola@google.com>
422         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
423         Add_symbols' constructor.
424         * readsyms.h (Add_symbols): Remove the input_group member.
426 2010-03-10  Ian Lance Taylor  <iant@google.com>
428         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
429         target to ask whether a reference to a symbol requires a stack
430         split.
431         * target.h (Target::is_call_to_non_split): New function.
432         (Target::do_is_call_to_non_split): Declare virtual function.
433         * target.cc: Include "symtab.h".
434         (Target::do_is_call_to_non_split): New function.
435         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
437 2010-03-10  Cary Coutant  <ccoutant@google.com>
439         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
440         (File_read::open[1]): Remove initial mapping of whole_file_view_.
441         (File_read::open[2]): Add whole_file_view_ to list of views.
442         (File_read::make_view): Remove test of whole_file_view_.
443         (File_read::find_or_make_view): Create whole_file_view_ if
444         necessary.
445         (File_read::clear_views): Replace bool parameter with enum;
446         adjust all callers.  Don't delete views with permanent data;
447         do delete cached views and views from archives if
448         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
449         if clearing the corresponding view.
450         * fileread.h (File_read::Clear_views_mode): New enum.
451         (File_read::View::is_permanent_view): New method.
452         (File_read::clear_views): Replace bool parameter
453         with enum; adjust all callers.
454         * options.h (General_options): Change keep_files_mapped option;
455         add map_whole_files.
456         * readsyms.cc (Add_symbols::run): Delete sd_ object before
457         releasing the file.
458         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
459         the file.
461 2010-03-10  David S. Miller  <davem@davemloft.net>
463         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
465 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
467         * icf.cc (get_section_contents): Add '@' marker after processing the
468         merge reloc.
470 2010-03-08  Doug Kwan  <dougkwan@google.com>
472         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
473         due to a conversion warning.
474         (Arm_relobj::update_output_local_symbol_count): Check for local
475         symbol with unset output index.
477 2010-03-05  Ian Lance Taylor  <iant@google.com>
479         * options.h (class General_options): Add --spare-dynamic-tags.
480         * output.cc (Output_data_dynamic::set_final_data_size): Implement
481         --spare-dynamic-tags.
483 2010-03-05  Ian Lance Taylor  <iant@google.com>
485         * incremental.cc: Include "libiberty.h".
487 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
489         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
490         function, is_info_ member.
491         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
492         (Versions::Versions): Update caller.
493         (Versions::define_base_version): Likewise.
494         (Versions::add_def): Likewise.
496 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
498         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
499         (Scan::possible_function_pointer_reloc): New function.
500         (Scan::local_reloc_may_be_function_pointer): Change to call
501         possible_function_pointer_reloc.
502         (Scan::global_reloc_may_be_function_pointer): Ditto.
503         * icf.h (Icf::check_section_for_function_pointers): Change to reject
504         relocations in ".data.rel.ro._ZTV" section.
505         * testsuite/icf_safe_so_test.sh: Change to pass i386.
506         * testsuite/icf_safe_so_test.cc: Ditto.
507         * testsuite/icf_safe_test.cc: Ditto.
508         * testsuite/icf_safe_test.sh: Ditto.
510 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
511             Ian Lance Taylor  <iant@google.com>
513         * target-reloc.h (relocate_section): Check the symbol table index
514         for -1U before setting the local symbol index.
515         (scan_relocatable_relocs): If copying the relocation, record that
516         the local symbol is required.
517         * object.h (Symbol_value::is_output_symtab_index_set): New
518         function.
519         (Symbol_value::may_be_discarded_from_output_symtab): New
520         function.
521         (Symbol_value::has_output_symtab_entry): New function.
522         (Symbol_value::needs_output_symtab_entry): Remove.
523         (Symbol_value::output_symtab_index): Make sure the symbol index is
524         set.
525         (Symbol_value::set_output_symtab_index): Make sure the symbol
526         index is not set.  Make sure the new index is valid.
527         (Symbol_value::set_must_have_output_symtab_entry): New function.
528         (Symbol_value::has_output_dynsym_entry): New function.
529         (Symbol_value::set_output_dynsym_index): Make sure the new index
530         is valid.
531         (Sized_relobj::set_must_have_output_symtab_entry): New function.
532         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
533         local symbol if permitted.
534         (Sized_relobj::do_finalize_local_symbols): Call
535         is_output_symtab_index_set rather than needs_output_symtab_entry.
536         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
537         rather than needs_output_symtab_entry.  Call
538         has_output_dynsym_entry rather than needs_output_dynsym_entry.
539         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
540         is_output_symtab_index_set rather than needs_output_symtab_entry.
541         * testsuite/discard_locals_relocatable_test.c: New file.
542         * testsuite/discard_locals_test.sh: Test -r.
543         * testsuite/Makefile.am (check_DATA): Add
544         discard_locals_relocatable_test1.syms,
545         discard_local_relocatable_test2.syms.
546         (MOSTLYCLEANFILES): Likewise.  Also add
547         discard_locals_relocatable_test1.lout and
548         discard_locals_relocatable_test2.out.
549         (discard_locals_relocatable_test1.syms): New target.
550         (discard_locals_relocatable_test.o): New target.
551         (discard_locals_relocatable_test1.out): New target.
552         (discard_locals_relocatable_test2.syms): New target.
553         (discard_locals_relocatable_test2.out): New target.
554         (various): Add missing ../ld-new dependencies.
555         * testsuite/Makefile.in: Rebuild.
557 2010-03-03  Nick Clifton  <nickc@redhat.com>
559         * po/fi.po: New Finnish translation.
561 2010-03-01  Doug Kwan  <dougkwan@google.com>
563         * layout.cc (Layout::Layout): Force section types of .init_array*,
564         .preinit_array* and .fini_array* sections.
565         * output.cc (Output_section::Input_section_sort_entry::has_priority):
566         Fix check of return value of std::string::find.().
567         (Output_section::Input_section_sort_compare::operator()): Remove
568         comment about .init_array.
569         (Output_section::Input_section_sort_init_fini_compare::operator()):
570         New method.
571         (Output_section::sort_attached_input_sections): Handle .init_array
572         and .fini_array specially.
573         * output.h (Output_section::Inut_section_sort_compare): Update
574         comment.
575         (Output_section::Input_section_sort_init_fini_compare): New struct.
577 2010-02-26  Doug Kwan  <dougkwan@google.com>
579         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
580         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
581         * testsuite/debug_msg.sh: Avoid matching source line number for
582         use of global variable undef_int.
584 2010-02-26  Doug Kwan  <dougkwan@google.com>
586         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
587         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
588         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
589         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
590         * options.cc (General_options::General_options): Initialize member
591         fix_v4bx_.
592         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
593         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
594         and rm_no_fix_v4bx.stdout
595         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
596         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
597         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
598         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
599         and arm_no_fix_v4bx.
600         * Makefile.in: Regenerate.
601         * testsuite/arm_fix_v4bx.s: New file.
602         * testsuite/arm_fix_v4bx.sh: Ditto.
604 2010-02-24  Doug Kwan  <dougkwan@google.com>
606         * arm.cc (Target_arm::got_section): Make the .got section the first
607         non RELRO section in the data segment.
608         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
609         suffixes of section names.
611 2010-02-24  Doug Kwan  <dougkwan@google.com>
613         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
614         flags and attributes merging if an input file is a binary file.
615         * fileread.cc (Input_file::open): Record format of original file.
616         * fileread.h (Input_file::Format): New enum type.
617         (Input_file::Input_file): Initialize data member format_.
618         (Input_file::format): New method definition.
619         (Input_file::format_):: New data member.
621 2010-02-24  Doug Kwan  <dougkwan@google.com>
623         * arm.cc (Arm_output_data_got): New class.
624         (ARM_TCB_SIZE): New constant
625         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
626         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
627         If user uses a script with a SECTIONS clause, issue only a warning
628         for a misplaced EXIDX input section.  Otherwise, issue an error.
629         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
630         garbage collection.
631         (Target_arm::got_mode_index_entry): Handle static linking.
632         (Target_arm::Scan::local): Ditto.
633         (Target_arm::Scan::global): Ditto.
634         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
635         all incorrectly implemented relocations.
636         (Target_arm::fix_exidx_coverage): Pass layout to 
637         Arm_output_section::fix_exidx_coverage.
638         * layout.cc (Layout::section_name_mapping): Remove trailing dots
639         from ".ARM.exidx." and ".ARM.extab.".
641 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
643         * arm.cc (Target_arm::do_finalize_sections): Create attribute
644         section if it does not already exist.
645         * attributes.cc (Attributes_section_data::Attributes_section_data):
646         Don't crash if size is zero.
648 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
649             Ian Lance Taylor  <iant@google.com>
651         * gold.cc (queue_middle_tasks): If no input files were opened,
652         exit.
653         * workqueue.h (Task_function::Task_function): Assert that there is
654         a blocker.
656 2010-02-22  Doug Kwan  <dougkwan@google.com>
658         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
659         * icf.cc (get_section_contents): Cast snprintf arguments to long long
660         types to avoid warnings due to different uint64_t implementations
661         on different hosts.
663 2010-02-21  Doug Kwan  <dougkwan@google.com>
665         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
666         handling of the maximum backward branch offset.
667         (Arm_relocate_functions::thumb_branch_common): Ditto.
668         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
669         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
670         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
671         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
672         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
673         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
674         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
675         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
676         thumb_bl_out_of_range thumb_bl_out_of_range.o,
677         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
678         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
679         thumb2_bl_out_of_range.o): New rules.
680         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
681         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
682         thumb2_bl_out_of_range
683         * testsuite/Makefile.in: Regenerate.
684         * testsuite/arm_bl_in_range.s: New file.
685         * testsuite/arm_bl_out_of_range.s: Ditto.
686         * testsuite/arm_branch_in_range.sh: Ditto.
687         * testsuite/arm_branch_range.t: Ditto.
688         * testsuite/thumb2_branch_range.t: Ditto.
689         * testsuite/thumb_bl_in_range.s: Ditto.
690         * testsuite/thumb_bl_out_of_range.s: Ditto.
691         * testsuite/thumb_branch_range.t: Ditto.
693 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
695         * gc.h (gc_process_relocs): Change vectors to point to the new list.
696         Add reloc offset information.
697         * icf.cc (get_section_contents): Change iterators to point to the new
698         vectors. Add reloc offset information to the contents.
699         * icf.h (Icf::Sections_reachable_info): New typedef.
700         (Icf::Sections_reachable_list): New typedef.
701         (Icf::Offset_info): New typedef.
702         (Icf::Reloc_info): New struct typedef.
703         (Icf::Reloc_info_list): New typedef.
704         (Icf::symbol_reloc_list): Delete method.
705         (Icf::addend_reloc_list): Delete method.
706         (Icf::section_reloc_list): Delete method.
707         (Icf::reloc_info_list): New method.
708         (Icf::reloc_info_list_): New member.
710 2010-02-19  Doug Kwan  <dougkwan@google.com>
712         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
713         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
714         * arm.cc (Arm_relocation_functions): New forward declaration.
715         (Target_arm::Target_arm): Initialize new data members
716         got_mod_index_offset_ and tls_base_symbol_defined_.
717         (Target_arm::Relocate::relocate_tls): New method.
718         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
719          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
720         New methods.
721         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
722         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
723         (Target_arm::got_mod_index_offset_,
724         Target_arm::tls_base_symbol_defined_): New data members.
725         (Target_arm::Scan::local, Target::Scan::global,
726         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
727         relocations.
729 2010-02-18  Doug Kwan  <dougkwan@google.com>
731         * arm.cc (Arm_relobj::find_linked_text_section): New method.
732         (Arm_relobj::make_exidx_input_section): Pass section index of linked
733         text section as a parameter becuase some broken tools may not set
734         the link in section header.
735         (Target_arm::has_got_section): New method.
736         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
737         without any mapping symbol as data only.  Remove warning.
738         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
739         link in its section header, try to discover the link by inspecting the
740         REL31 relocation at the beginning of the section.
741         (Target_arm::Scan::check_non_pic): Report name of offending relocation
742         in error message.
743         (Target_arm::Scan::global): Treat any reference to the symbol
744         _GLOBAL_OFFSET_TABLE_ as a GOT access.
746 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
748         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
749         (Scan::global_reloc_may_be_function_pointer): New function.
750         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
751         (Scan::global_reloc_may_be_function_pointer): New function.
752         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
753         (Scan::global_reloc_may_be_function_pointer): New function.
754         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
755         (Scan::global_reloc_may_be_function_pointer): New function.
756         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
757         (Scan::global_reloc_may_be_function_pointer): New function.
758         (Scan::possible_function_pointer_reloc): New function.
759         (Target_x86_64::can_check_for_function_pointers): New function.
760         * gc.h (gc_process_relocs): Scan relocation types to determine if
761         function pointers were taken for targets that support it.
762         * icf.cc (Icf::find_identical_sections): Include functions for
763         folding in safe ICF whose pointer is not taken.
764         * icf.h (Secn_fptr_taken_set): New typedef.
765         (fptr_section_id_): New member.
766         (section_has_function_pointers): New function.
767         (set_section_has_function_pointers): New function.
768         (check_section_for_function_pointers): New function.
769         * options.h: Fix comment for safe ICF option.
770         * target.h (can_check_for_function_pointers): New function.
771         * testsuite/Makefile.am: Add icf_safe_so_test test case.
772         Modify icf_safe_test for X86-64.
773         * testsuite/Makefile.in: Regenerate.
774         * testsuite/icf_safe_so_test.cc: New file.
775         * testsuite/icf_safe_so_test.sh: New file.
776         * testsuite/icf_safe_test.cc (kept_func_3): New function.
777         (main): Change to take pointer to function kept_func_3.
778         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
779         folding is done correctly for X86-64.
781 2010-02-12  David S. Miller  <davem@davemloft.net>
783         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
784         is_symbolless parameter.
785         (Output_reloc<SHT_REL>::is_symbolless): New.
786         (Output_reloc<SHT_REL>::is_symbolless_): New.
787         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
788         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
789         (Output_reloc<SHT_RELA>::is_symbolless): New.
790         (Output_data_reloc::add_global): Handle is_symbolless.
791         (Output_data_reloc::add_global_relative): Likewise.
792         (Output_data_reloc::add_local): Likewise.
793         (Output_data_reloc::add_local_relative): Likewise.
794         (Output_data_reloc::add_symbolless_global_addend): New.
795         (Output_data_reloc::add_symbolless_local_addend): New.
796         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
797         is_symbolless.
798         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
799         instead of ->is_relative_
800         (Output_reloc::write): Likewise.
801         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
802         (Output_reloc::write_rel): Simplify.
804         * sparc.cc (Target_sparc::Scan::local): Use
805         ->add_symbolless_local_addend as needed.
806         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
807         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
808         based upon relocation offset.
810 2010-02-11  Doug Kwan  <dougkwan@google.com>
812         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
813         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
814         beginning of function.
815         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
816         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
817         parameter is_32bit in calls to should_apply_static_reloc.
818         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
819         (check_DATA): Add arm_abs_global.stdout.
820         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
821         arm_abs_global.stdout): New rules.
822         (MOSTLLYCLEANFILES): Add arm_abs_global
823         * Makefile.in: Regenerate.
824         * testsuite/arm_abs_global.s: New file.
825         * testsuite/arm_abs_global.sh: Ditto.
826         * testsuite/arm_abs_lib.s: Ditto.
828 2010-02-11  Ian Lance Taylor  <iant@google.com>
830         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
831         Read_relocs task.
832         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
833         Allocate_commons_task first.
834         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
835         task, rather than symtab_lock_.
836         (Gc_process_relocs::~Gc_process_relocs): New function.
837         (Gc_process_relocs::is_runnable): Check this_blocker_.
838         (Gc_process_relocs::locks): Use next_blocker_ rather than
839         blocker_.
840         (Scan_relocs::~Scan_relocs): New function.
841         (Scan_relocs::is_runnable): Check this_blocker_ rather than
842         symtab_lock_.
843         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
844         next_blocker_.
845         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
846         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
847         constructor accordingly.
848         (class Gc_process_relocs): Likewise.
849         (class Scan_relocs): Likewise.
850         * common.h (class Allocate_commons_task): Remove symtab_lock_
851         field, and corresponding constructor parameter.
852         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
853         symtab_lock_.
854         (Allocate_commons_task::locks): Likewise.
856 2010-02-11  Ian Lance Taylor  <iant@google.com>
858         * gold-threads.h (class Once): Define.
859         (class Initialize_lock): Rewrite as child of Once.
860         * gold-threads.cc (class Once_initialize): Define.
861         (once_pointer_control): New static variable.
862         (once_pointer, once_arg): New static variables.
863         (c_run_once): New static function.
864         (Once::Once, Once::run_once, Once::internal_run): New functions.
865         (class Initialize_lock_once): Remove.
866         (initialize_lock_control): Remove.
867         (initialize_lock_pointer): Remove.
868         (initialize_lock_once): Remove.
869         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
870         (Initialize_lock::initialize): Rewrite.
871         (Initialize_lock::do_run_once): New function.
872         * archive.cc (Archive::interpret_header): Only clear name if it is
873         not already empty.
874         * fileread.cc: Include "gold-threads.h"
875         (file_counts_lock): New static variable.
876         (file_counts_initialize_lock): Likewise.
877         (File_read::release): Only increment counts when using --stats.
878         Use a lock around the increment.
879         * parameters.cc (class Set_parameters_target_once): Define.
880         (set_parameters_target_once): New static variable.
881         (Parameters::Parameters): Move here from parameters.h.
882         (Parameters::set_target): Rewrite.
883         (Parameters::set_target_once): New function.
884         (Parameters::clear_target): Move here and rewrite.
885         * parameters.h (class Parameters): Update declarations.  Add
886         set_parameters_target_once_ field.
887         (Parameters::Parameters): Move to parameters.cc.
888         (Parameters::clear_target): Likewise.
889         * readsyms.cc (Read_symbols::do_group): Create a Start_group
890         task.
891         (Start_group::~Start_group): New function.
892         (Start_group::is_runnable): New function.
893         (Start_group::locks, Start_group::run): New functions.
894         (Finish_group::run): Change saw_undefined to size_t.
895         * readsyms.h (class Start_group): Define.
896         (class Finish_group): Change saw_undefined_ field to size_t.
897         (Finish_group::Finish_group): Remove saw_undefined and
898         this_blocker parameters.  Change all callers.
899         (Finish_group::set_saw_undefined): New function.
900         (Finish_group::set_blocker): New function.
901         * symtab.h (class Symbol_table): Change saw_undefined to return
902         size_t.  Change saw_undefined_ field to size_t.
903         * target-select.cc (Set_target_once::do_run_once): New function.
904         (Target_selector::Target_selector): Initialize set_target_once_
905         field.  Don't initialize lock_ and initialize_lock_ fields.
906         (Target_selector::instantiate_target): Rewrite.
907         (Target_selector::set_target): New function.
908         * target-select.h (class Set_target_once): Define.
909         (class Target_selector): Update declarations.  Make
910         Set_target_once a friend.  Remove lock_ and initialize_lock_
911         fields.  Add set_target_once_ field.
913 2010-02-10  Ian Lance Taylor  <iant@google.com>
915         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
916         queueing any tasks.
917         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
918         (queue_middle_tasks): Add all blockers before queueing any tasks.
919         (queue_final_tasks): Likewise.
920         * token.h (Task_token::add_blockers): New function.
921         * object.h (Input_objects::number_of_relobjs): New function.
923 2010-02-10  Ian Lance Taylor  <iant@google.com>
925         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
926         shared, not if not position independent.
927         * x86_64.cc (Relocate::relocate_tls): Likewise.
928         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
929         (tls_pie_pic_test): New target.
930         * testsuite/Makefile.in: Rebuild.
932         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
933         (tls_test_main_pie.o, tls_test_pie.o): New targets.
934         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
935         * testsuite/Makefile.in: Rebuild.
937 2010-02-09  David S. Miller  <davem@davemloft.net>
939         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
940         R_SPARC_RELATIVE using ->add_local_relative().
941         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
943         * output.h (Output_data_dynamic::add_section_size): New method
944         that takes two Output_data objects.
945         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
946         entry param.  Handle it in initializers.
947         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
948         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
949         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
950         arg.
951         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
952         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
953         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
954         for dynrel_includes_plt.
955         * i386.cc (Target_i386::do_finalize_sections): Likewise.
956         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
957         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
958         before .rela.plt
959         (Target_sparc::do_finalize_sections): Update to pass true for
960         dynrel_includes_plt.
961         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
962         output before .rela.plt
963         (Target_powerpc::do_finalize_sections): Update to pass true for
964         dynrel_includes_plt when 32-bit.
966 2010-02-08  Doug Kwan  <dougkwan@google.com>
968         * arm.cc (Arm_relobj::simple_input_section_output_address): New
969         method.
970         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
971         Arm_relobj::scan_section_for_cortex_a8_stubs,
972         Arm_relobj::do_relocation_section): Instead of calling
973         Output_section::output_address, use faster
974         Arm_relobj::simple_input_section_output_address.
976 2010-02-08  David S. Miller  <davem@davemloft.net>
978         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
979         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
980         relocation helper function.
982         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
983         just like R_SPARC_GOT{10,13,22}.
984         (Target_sparc::Scan::local): Likewise.
985         (Target_sparc::Relocate:relocate): Likewise.
987 2010-02-06  Ian Lance Taylor  <iant@google.com>
989         * configure.ac: Rewrite targetobjs duplicate removal code to use
990         only shell constructs.
991         * configure: Rebuild.
993 2010-02-05  Doug Kwan  <dougkwan@google.com>
995         PR 11247
996         * arm.cc (Arm_relobj::section_is_scannable): New method.
997         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
998         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1000 2010-02-04  Doug Kwan  <dougkwan@google.com>
1002         PR 11247
1003         * arm-reloc-property.cc (cstdio): Include.
1004         * configure.ac (targetobjs): Remove duplicates.
1005         * configure: Regenerate.
1006         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1007         big and little endian version for a given address size.
1009 2010-02-03  Doug Kwan  <dougkwan@google.com>
1011         * arm-reloc-property.cc
1012         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1013         definition.
1014         * arm-reloc-property.h
1015         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1016         New method definition.
1017         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1018         declaration.
1019         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1020         overflow to N.
1021         (GOT_PREL): Change implemented to Y.
1022         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1023         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1024         (Arm_relocate_functions::movw_abs_nc): Remove method.
1025         (Arm_relocate_functions::movt_abs): Ditto.
1026         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1027         (Arm_relocate_functions::thm_movt_abs): Ditto.
1028         (Arm_relocate_functions::movw_rel_nc): Ditto.
1029         (Arm_relocate_functions::movw_rel): Ditto.
1030         (Arm_relocate_functions::movt_rel): Ditto.
1031         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1032         (Arm_relocate_functions:thm_movw_rel): Ditto.
1033         (Arm_relocate_functions:thm_movt_rel): Ditto.
1034         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1035         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1036         New method definitions.
1037         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1038         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1039         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1040         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1041         (Target_arm::Relocate::relocate): Check for non-static or
1042         unimplemented relocation code and exit early.  Change calls to
1043         Target_arm::reloc_uses_thumb_bit and
1044         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1045         instead.  Refactor code to handle similar relocations to increase
1046         code sharing.  Remove check for unsupported relocation code in switch
1047         statement.
1048         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1049         relocation property table to find out size.  Change error message to
1050         print out the name of a relocation code instead of the numeric value.
1051         (Target_arm::scan_reloc_for_stub): Use relocation property table
1052         instead of calling Target_arm::reloc_uses_thumb_bit().
1054 2010-02-02  Doug Kwan  <dougkwan@google.com>
1056         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1057         types of relaxed input section.
1059 2010-02-02  Doug Kwan  <dougkwan@google.com>
1061         * Makefile.am (HFILES): Add arm-reloc-property.h.
1062         (DEFFILES): New.
1063         (TARGETSOURCES): Add arm-reloc-property.cc
1064         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1065         (libgold_a_SOURCES): $(DEFFILES)
1066         * Makefile.in: Regenerate.
1067         * arm-reloc-property.cc: New file.
1068         * arm-reloc-property.h: New file.
1069         * arm-reloc.def: New file.
1070         * arm.cc: Update comments.
1071         (arm-reloc-property.h): New included header.
1072         (arm_reloc_property_table): New global variable.
1073         (Target_arm::do_select_as_default_target): New method definition.
1074         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1075         arm-reloc-property to targ_extra_obj.
1076         * parameters.cc (set_parameters_target): Call
1077         Target::select_as_default_target().
1078         * target.h (Target::select_as_default_target): New method definition.
1079         (Target::do_select_as_default_target): Same.
1081 2010-02-01  Doug Kwan  <dougkwan@google.com>
1083         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1084         first_output_text_section_.
1085         (Arm_exidx_fixup::first_output_text_section): New method definition.
1086         (Arm_exidx_fixup::first_output_text_section_): New data member.
1087         (Arm_exidx_fixup::process_exidx_section): Record the first text
1088         output section seen.
1089         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1090         and entsize in output section header.
1092 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1094         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1095         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1096         (Arm_relocate_functions::thm_alu11): New Method.
1097         (Arm_relocate_functions::thm_pc8): New Method.
1098         (Arm_relocate_functions::thm_pc12): New Method.
1099         (Target_arm::Scan::local): Handle the relocations.
1100         (Target_arm::Scan::global): Likewise.
1101         (Target_arm::Relocate::relocate): Likewise.
1102         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1104 2010-01-29  Doug Kwan  <dougkwan@google.com>
1106         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1107         of relocation types as ld.
1109 2010-01-29  Doug Kwan  <dougkwan@google.com>
1111         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1112         to public.
1113         (Arm_relocate_functions::thumb_branch_common): Ditto.
1114         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1115         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1116         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1117         Arm_relocate_functions::jump24): Remove.
1118         (Target_arm::Relocate::relocate): Adjust code to call
1119         Arm_relocation_functions::arm_branch_common and
1120         Arm_relocation_functions::thumb_branch_common instead of their removed
1121         wrappers.  Merge switch-cases together to reduce source code size.  
1123 2010-01-29  Doug Kwan  <dougkwan@google.com>
1125         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1126         output_local_symbol_count_needs_update_.
1127         (Arm_relobj::output_local_symbol_count_needs_update,
1128          Arm_relobj::set_output_local_symbol_count_needs_update,
1129          Arm_relobj::update_output_local_symbol_count): New methods.
1130         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1131         member.
1132         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1133         of pointed function as in a R_ARM_PREL31 relocation.
1134         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1135         for output local symbol count updating.
1136         (Target_arm::do_relax): Update output local symbol counts in objects
1137         if necessary.
1138         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1140 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1142         * arm.cc: Added support for the ARM relocations:
1143         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1144         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1145         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1146         movw_prel_nc).
1147         (Arm_relocate_functions::movw_rel): New method.
1148         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1149         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1150         thm_movw_prel_nc).
1151         (Arm_relocate_functions::thm_movw_rel): New method.
1152         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1153         thm_movt_prel).
1154         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1155         relocations.
1156         (Target_arm::Scan::global): Likewise.
1157         (Target_arm::Relocate::relocate): Likewise.
1158         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1159         Likewise.
1161 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1163         * arm.cc: Added support for ARM group relocations.
1164         (Target_arm::reloc_needs_sym_origin): New method.
1165         (Arm_relocate_functions::calc_grp_kn): New method.
1166         (Arm_relocate_functions::calc_grp_residual): New method.
1167         (Arm_relocate_functions::calc_grp_gn): New method.
1168         (Arm_relocate_functions::arm_grp_alu): New Method.
1169         (Arm_relocate_functions::arm_grp_ldr): New Method.
1170         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1171         (Arm_relocate_functions::arm_grp_ldc): New Method.
1172         (Target_arm::Scan::local): Handle the ARM group relocations.
1173         (Target_arm::Scan::global): Likewise.
1174         (Target_arm::Relocate::relocate): Likewise.
1175         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1176         Likewise.
1178 2010-01-26  Doug Kwan  <dougkwan@google.com>
1180         * arm.cc (set): Include.
1181         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1182         pointer type.
1183         (Arm_output_section::Text_section_list): New type.
1184         (Arm_output_section::append_text_sections_to_list): New method.
1185         (Arm_output_section::fix_exidx_coverage): Ditto.
1186         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1187         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1188         Relobj::set_section_offset() instead of
1189         Sized_relobj::invalidate_section_offset().
1190         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1191         parameter for section headers. Ignore relocation sections for
1192         unallocated sections and EXIDX sections.
1193         (Target_arm::fix_exidx_coverage): New method.
1194         (Target_arm::output_section_address_less_than): New type.
1195         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1196         linked text section instead of the EXIDX section.
1197         (Arm_output_section::create_stub_group): Add an assertion to check
1198         that this is not an EXIDX output section.
1199         (Arm_output_section::append_text_sections_to_list): New method.
1200         (Arm_output_section::fix_exidx_coverage): Ditto.
1201         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1202         Arm_relobj::section_needs_reloc_stub_scanning.
1203         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1204         first pass.
1205         (Target_arm::fix_exidx_coverage): New method.
1206         * object.h (Relobj::set_output_section): New method.
1207         (Sized_relobj::invalidate_section_offset): Remove method.
1208         (Sized_relobj::do_invalidate_section_offset): Remove method.
1209         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1211 2010-01-25  Doug Kwan  <dougkwan@google.com>
1213         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1214         Fix warning due to signed and unsigned comparison on a 32-bit host.
1216 2010-01-22  Doug Kwan  <dougkwan@google.com>
1218         * arm.cc (Target_arm::do_relax): Record an output section for section
1219         offset adjustment it contains any stub table that has changed.
1220         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1221         offsets in an output section if necessary.
1222         * output.cc (Output_section::Output_section): Initialize
1223         section_offsets_need_adjustments_.
1224         (Output_section::add_input_section_for_script): Renamed to
1225         Output_section::add_simple_input_section.
1226         (Output_section::save_states): Add a comment.
1227         (Output_section::discard_states): New method defintion.
1228         (Output_section::adjust_section_offsets): Same.
1229         * output.h (Output_section::add_input_section_for_script): Renamed to
1230         Output_section::add_simple_input_section.
1231         (Output_section::discard_states): New method declaration.
1232         (Output_section::adjust_section_offsets): Same.
1233         (Output_section::section_offsets_need_adjustment,
1234         Output_section::set_section_offsets_need_adjustment): New method
1235         definitions.
1236         (Output_section::section_offsets_need_adjustment_): New data member.
1237         * script-sections.cc
1238         (Output_section_element_input::set_section_address): Adjust code for
1239         renaming of Output_section::add_input_section_for_script.
1240         (Orphan_output_section::set_section_address): Same.
1242 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1244         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1245         Fix_v4bx enum values .
1246         * gold/options.h (General_options): New option definitions.
1247         (General_options::fix_v4bx): New method.
1248         (General_options::Fix_v4bx): New enum.
1249         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1250         (General_options::parse_fix_v4bx_interworking): New method.
1252 2010-01-22  Doug Kwan  <dougkwan@google.com>
1254         * arm.cc (Arm_exidx_fixup): New class.
1256 2010-01-21  Doug Kwan  <dougkwan@google.com>
1258         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1259         classes.
1260         (Arm_exidx_section_offset_map): New type.
1262 2010-01-21  Doug Kwan  <dougkwan@google.com>
1264         * arm.cc (Arm_exidx_input_section): New class.
1265         (Arm_relobj::exidx_input_section_by_link,
1266         Arm_relobj::exidx_input_section_by_shndx,
1267         Arm_relobj::make_exidx_input_section): New methods.
1268         (read_arm_attributes_section): Remove.
1269         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1270         information about them.
1271         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1272         to here.
1274 2010-01-20  Doug Kwan  <dougkwan@google.com>
1276         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1277         Input_section_specifier to Section_id.
1278         (Target_arm::new_arm_input_section: Adjust code for change of key
1279         type.
1280         (Target_arm::find_arm_input_section): Ditto.
1281         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1282         (Section_id): Remove.
1283         (Garbage_collection::Section_id_hash): Remove.
1284         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1285         (Section_id): Remove.
1286         (Icf::Section_id_hash): Remove.
1287         * object.h (Section_id, Const_section_id, Section_id_hash,
1288         Const_section_id_hash): New type definitions.
1289         * output.cc (Output_section::add_relaxed_input_section): Change to
1290         use Const_section_id instead of Input_section_specifier as key type.
1291         (Output_section::add_merge_input_section): Ditto.
1292         (Output_section::build_relaxation_map): Change to use Section_id
1293         instead of Input_section_specifier as key type.
1294         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1295         Ditto.
1296         (Output_section::convert_input_sections_to_relaxed_sections): Change
1297         to use Const_section_id instead of Input_section_specifier as key type.
1298         (Output_section::find_merge_section): Ditto.
1299         (Output_section::find_relaxed_input_section): Ditto.
1300         * output.h (Input_section_specifier): Remove class.
1301         (Output_section::Output_section_data_by_input_section_map): Change
1302         key type to Const_section_id.
1303         (Output_section::Output_relaxed_input_section_by_input_section_map):
1304         Ditto.
1305         (Output_section::Relaxation_map): Change key type to Section_id.
1307 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1309         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1310         (class Arm_v4bx_stub): New class.
1311         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1312         (Stub_factory::make_arm_v4bx_stub): New method.
1313         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1314         (Stub_table::empty): Handle v4bx stubs.
1315         (Stub_table::add_arm_v4bx_stub): New method.
1316         (Stub_table::find_arm_v4bx_stub): New method.
1317         (Arm_relocate_functions::v4bx): New method.
1318         (Target_arm::fix_v4bx): New method.
1319         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1320         (Stub_table::relocate_stubs): Likewise.
1321         (Stub_table::do_write): Likewise.
1322         (Stub_table::update_data_size_and_addralign): Likewise.
1323         (Stub_table::finalize_stubs):  Likewise.
1324         (Target_arm::Scan::local): Likewise.
1325         (Target_arm::Scan::global): Likewise.
1326         (Target_arm::do_finalize_sections): Likewise.
1327         (Target_arm::Relocate::relocate): Likewise.
1328         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1329         Likewise.
1330         (Target_arm::scan_reloc_for_stub): Likewise.
1331         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1333 2010-01-19  Ian Lance Taylor  <iant@google.com>
1335         * output.cc (Output_section_headers::do_sized_write): Write large
1336         segment count to sh_info field.
1337         (Output_file_header::do_sized_write): For large segment count,
1338         write PN_XNUM to e_phnum field.
1340 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1342         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1343         (Arm_relocate_functions::thm_jump8): New function.
1344         (Arm_relocate_functions::thm_jump11): New function.
1345         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1346         R_ARM_THM_JUMP11.
1347         (Target_arm::Scan::global): Likewise.
1348         (Target_arm::Relocate::relocate): Likewise.
1349         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1350         Likewise.
1352 2010-01-14  Doug Kwan  <dougkwan@google.com>
1354         * arm.cc (map, utility): Include headers.
1355         (Target_arm::apply_cortex_a8_workaround): New method.
1356         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1357         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1358         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1359         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1360         the --[no-]fix-cortex-a8 command line options.
1361         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1362         (Target_arm::relocate_stub): Use addend in instruction template.
1363         * options.h (DEFINE_bool): Set the user-set flag.
1364         (General_options): Add --[no-]-fix-cortex options.
1365         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1366         : Update fast look-up map after conversion. 
1368 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1370         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1371         in the first pass of do_layout.
1373 2010-01-13  Doug Kwan  <dougkwan@google.com>
1375         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1376         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1377         apparent compiler problem of not folding static constant integral
1378         data members of elfcpp::Elf_sizes<32>.
1380 2010-01-13  Doug Kwan  <dougkwan@google.com>
1382         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1383         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1384         Arm_relobj::scan_section_for_cortex_a8_erratum,
1385         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1386         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1387         sections to scan for relocation stubs into a new method
1388         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1389         relocation and Cortex-A8 stub scanning.
1390         (Target_arm::do_relax): Force stubs to be after stubbed sections
1391         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1392         the beginning of a new relaxation pass.  Update a comment. 
1393         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1395 2010-01-12  Ian Lance Taylor  <iant@google.com>
1397         * target-reloc.h (visibility_error): New inline function.
1398         (relocate_section): Call visibility_error.
1399         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1400         (MOSTLYCLEANFILES): Likewise.
1401         (protected_4_pic.o, protected_3.err): New targets.
1402         * testsuite/protected_4.cc: New file.
1404 2010-01-12  Doug Kwan  <dougkwan@google.com>
1406         * arm.cc (Cortex_a8_reloc): New class.
1407         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1408         and cortex_a8_relocs_info_.
1409         (Target_arm::fix_cortex_a8): New method definition.
1410         (Target_arm::Cortex_a8_relocs_info): New type.
1411         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1412         New data member declarations.
1413         (Target_arm::scan_reloc_for_stub): Record information about
1414         relocations for THUMB branches that might be exempted from the
1415         Cortex-A8 workaround.
1416         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1417         at the beginning of a relaxation pass.
1419 2010-01-12  Doug Kwan  <dougkwan@google.com>
1421         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1422         (Arm_relobj::Mapping_symbol_position,
1423          Arm_reloj::Mapping_symbol_position_less,
1424          Arm_relobj::Mapping_symbols_info): New types.
1425         (Target_arm::is_mapping_symbol_name): New method definition.
1426         (Arm_relobj::do_count_local_symbols): Save information about mapping
1427         symbols.
1429 2010-01-11  Doug Kwan  <dougkwan@google.com>
1431         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1432         Arm_relocate_functions::thumb32_branch_upper,
1433         Arm_relocate_functions::thumb32_branch_lower,
1434         Arm_relocate_functions::thumb32_cond_branch_offset,
1435         Arm_relocate_functions::thumb32_cond_branch_upper,
1436         Arm_relocate_functions::thumb32_cond_branch_lower,
1437         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1438         branch offset encoding.
1439         (Arm_relocate_functions::thumb_branch_common): Use new branch
1440         offset encoding methods to avoid code duplication.
1441         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1442         (Stub_addend_reader::operator()): Use new branch encoding method
1443         to avoid code duplication.
1445 2010-01-11  Doug Kwan  <dougkwan@google.com>
1447         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1448         (Target_arm::do_finalize_sections): Define special EXIDX section
1449         symbols only if referenced.
1450         * gc.h (Garbage_collection::add_reference): New method.
1451         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1452         code duplication.
1454 2010-01-11  Ian Lance Taylor  <iant@google.com>
1456         * script.cc (Version_script_info::build_expression_list_lookup):
1457         Change complaing about duplicate wildcard match from error to
1458         warning.
1460         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1461         of 2009-12-30.
1462         (Version_script_info::Version_script_info): Initialize globs_,
1463         default_version_, default_is_global_, and exact_.  Don't
1464         initialize globals_ or locals_.
1465         (Version_script_info::build_lookup_tables): Build local symbols
1466         first.
1467         (Version_script_info::unquote): New function.
1468         (Version_script_info::add_exact_match): New function.
1469         (Version_script_info::build_expression_list_lookup): Remove lookup
1470         parameter.  Add is_global parameter.  Change all callers.  Handle
1471         wildcard pattern specially.  Unquote pattern.  Call
1472         add_exact_match.
1473         (Version_script_info::get_name_to_match): New function.
1474         (Version_script_info::get_symbol_version): New function.
1475         (Version_script_info::get_symbol_version_helper): Remove.
1476         (Version_script_info::check_unmatched_names): Call unquote.
1477         * script.h (class Version_script_info): Change get_symbol_version
1478         to be non-inline and add is_global parameter; change all callers.
1479         Rewrite symbol_is_local.  Update declarations.  Define struct
1480         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1481         Remove globals_ and locals_ members.  Add exact_, globs_,
1482         default_version_, is_global_.
1483         (Version_script_info::Glob): Remove pattern, add expression and
1484         is_global.  Update constructor.  Change all callers.
1485         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1486         default version.
1487         (Versions::symbol_section_contents): If a symbol is undefined, or
1488         defined in a dynamic object, set the version index to
1489         VER_NDX_LOCAL.
1490         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1491         symbol_is_local.
1492         (Symbol_table::add_from_pluginobj): Likewise.
1493         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1495 2010-01-11  Doug Kwan  <dougkwan@google.com>
1497         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1498         (incremental_dump_LDADD): Add linking option for libintl.
1499         * Makefile.in: Regenerate.
1501 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1503         PR gold/11144
1504         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1505         instead of -Ds.
1506         * testsuite/Makefile.in: Regenerated.
1508 2010-01-10  Doug Kwan  <dougkwan@google.com>
1510         * options.h (DEFINE_var): Use parentheses around argument varname__
1511         in macro body to avoid any unintended subsequent substitutions.
1513 2010-01-10  Ian Lance Taylor  <iant@google.com>
1515         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1516         candidates before doing symbol resolution.
1518         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1519         ODR candidates if only one is weak.
1521 2010-01-08  Ian Lance Taylor  <iant@google.com>
1523         * script.cc (Version_script_info::build_expression_list_lookup):
1524         Don't warn about ambiguous version, just record the ambiguity.
1525         (Version_script_info::get_symbol_version_helper): Give error if
1526         version is ambiguous.
1528 2010-01-08  Doug Kwan  <dougkwan@google.com>
1530         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1531           prev_data_size_ and prev_addralign_.  Remove initializer for
1532           deleted data member has_been_changed_.
1533           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1534           to determine if the table is empty.
1535           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1536           Remove.
1537           (Stub_table::add_reloc_stub): Define method in class definition
1538           instead of just declaring it there.
1539           (Stub_table::add_cortex_a8_stub): New method definition.
1540           (Stub_table::update_data_size_and_addralign): Ditto.
1541           (Stub_table::finalize_stubs): Ditto.
1542           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1543           (Stub_table::do_addralign_): Return address alignment in the
1544           (Stub_table::do_reset_address_and_file_offset): Define method in
1545           class definition instead of declaring it there.  Set current data
1546           size to be the data size of the previous pass.
1547           (Stub_table::set_final_data_size): Use current data size as the
1548           final data size.
1549           (Stub_table::relocate_stub): Change parameter type of stub from
1550           Reloc_stub pointer to Stub pointer.
1551           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1552           (Stub_table::Cortex_a8_stub_list): New typedef.
1553           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1554            Stub_table::prev_addralign_): New data member.
1555           (Arm_relobj::Arm_relobj): Initialize data member
1556           section_has_cortex_a8_workaround_.
1557           (Arm_relobj::section_has_cortex_a8_workaround,
1558            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1559            definitions.
1560           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1561           declarations.
1562           (Target_arm::relocate_stub): Change parameter type of stub from
1563           Reloc_stub pointer to Stub pointer.
1564           (Insn_template::size, Insn_template::alignment): Handle
1565           THUMB16_SPECIAL_TYPE.
1566           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1567            Stub_table::update_data_size_and_addralign,
1568            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1569           definitions.
1570           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1571           (Stub_table::do_write): Ditto.
1572           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1574 2010-01-08  Ian Lance Taylor  <iant@google.com>
1576         PR 11108
1577         * symtab.h (class Symbol): Remove fields is_target_special_ and
1578         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1579         (Symbol::is_defined_in_discarded_section): New function.
1580         (Symbol::set_is_defined_in_discarded_section): New function.
1581         (Symbol::has_plt_offset): Rewrite.
1582         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1583         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1584         Don't initialize is_target_special_ or has_plt_offset_.
1585         Initialize is_defined_in_discarded_section_.
1586         (Symbol_table::add_from_relobj): If appropriate, set
1587         is_defined_in_discarded_section.
1588         * resolve.cc (Symbol::override_base_with_special): Don't test
1589         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1590         * target-reloc.h (relocate_section): Do special handling for
1591         symbols defined in discarded sections for global symbols as well
1592         as local symbols.
1594 2010-01-08  Ian Lance Taylor  <iant@google.com>
1596         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1597         the SHT_SYMTAB case.
1599 2010-01-08  Ian Lance Taylor  <iant@google.com>
1601         * object.cc (Sized_relobj::do_layout): Don't get confused if
1602         layout_eh_frame returns NULL.
1604 2010-01-08  Ian Lance Taylor  <iant@google.com>
1606         PR 11084
1607         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1608         dynamic symbol table, use the normal symbol table.
1609         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1610         symbol table.
1612 2010-01-08  Ian Lance Taylor  <iant@google.com>
1614         PR 11072
1615         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1616         sections.
1618 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1620         * version.cc (print_version): Change to "Copyright 2010".
1622 2010-01-08  Ian Lance Taylor  <iant@google.com>
1624         PR 10287
1625         PR 11063
1626         * i386.cc (class Target_i386): Change return type of plt_section
1627         to be non-const.
1628         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1629         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1630         tls_desc_rel_ field.
1631         (Output_data_plt_i386::rel_tls_desc): New function.
1632         (Target_i386::rel_tls_desc_section): New function.
1633         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1634         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1635         R_386_TLS_DESC reloc in rel_tls_desc_section.
1636         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1637         Define struct Tlsdesc_info.
1638         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1639         (Target_x86_64::do_reloc_symbol_index): New function.
1640         (Target_x86_64::add_tlsdesc_info): New function.
1641         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1642         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1643         tlsdesc_rel_ field.
1644         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1645         all callers.
1646         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1647         (Target_x86_64::rela_tlsdesc_section): New function.
1648         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1649         handling.
1650         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1651         (Target_x86_64::do_reloc_addend): New function.
1652         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1653         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1654         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1655         (Output_reloc::type): New function.
1656         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1657         (Output_reloc::is_target_specific): New function.
1658         (Output_reloc::target_arg): New function.
1659         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1660         absolute relocs and target specific relocs.
1661         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1662         add_target_specific.
1663         (class Output_data_reloc) [SHT_RELA]: Likewise.
1664         * output.cc (Output_reloc::Output_reloc): Add four new versions
1665         for absolute relocs and target specific relocs.
1666         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1667         (Output_reloc::get_symbol_index): Likewise.
1668         (Output_reloc::local_section_offset): Check that local_sym_index_
1669         is not TARGET_CODE or 0.
1670         (Output_reloc::symbol_value): Likewise.
1671         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1672         reloc.
1673         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1674         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1675         functions.
1676         * layout.cc (add_target_dynamic_tags): Use output section for
1677         DT_PLTRELSZ and DT_JMPREL.
1679 2010-01-07  Ian Lance Taylor  <iant@google.com>
1681         PR 11061
1682         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1683         function.
1684         (class Output_data_reloc_generic): Define.
1685         (class Output_data_reloc_base): Change base class to
1686         Output_data_reloc_generic.  Change add() method to call
1687         bump_relative_reloc_count for a relative reloc.  Remove
1688         sort_relocs_ field.
1689         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1690         to sort_relocs().
1691         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1692         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1693         appropriate.
1694         * layout.h (class Layout): Update declaration.
1696 2010-01-07  Ian Lance Taylor  <iant@google.com>
1698         * output.h (class Output_data): Add const version of
1699         output_section and do_output_section.
1700         (class Output_section_data): Add const version of
1701         do_output_section.
1702         (class Output_section): Likewise.
1703         * layout.cc (Layout::add_target_dynamic_tags): New function.
1704         * layout.h (class Layout): Update declarations.
1705         * arm.cc (Target_arm::do_finalize_sections): Use
1706         add_target_dynamic_tags.
1707         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1708         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1709         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1710         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1712 2010-01-07  Ian Lance Taylor  <iant@google.com>
1714         PR 11042
1715         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1716         object as needed.
1718 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1719             Ian Lance Taylor  <iant@google.com>
1721         PR 11019
1722         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1723         Xindex::read_symtab_xindex.
1725 2010-01-07  Doug Kwan  <dougkwan@google.com>
1727         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1728         (Insn_template::thumb16_bcond_insn): New method declaration.
1729         (Insn_template): Fix spelling.
1730         (Stub::thumb16_special): New method declaration.
1731         (Stub::do_write): Define virtual method which was previously pure
1732         virtual.
1733         (Stub::do_thumb16_special): New method declaration.
1734         (Stub::do_fixed_endian_write): New template member.
1735         (Reloc_stub::do_write): Remove.
1736         (Reloc_stub::do_fixed_endian_write): Remove.
1737         (Cortex_a8_stub): New class definition.
1738         (Stub_factory::make_cortex_a8_stub): New method definition.
1739         (Stub_factory::Stub_factory): Add missing static storage class
1740         qualifier for elf32_arm_stub_a8_veneer_blx.
1742 2010-01-07  Ian Lance Taylor  <iant@google.com>
1744         PR 10980
1745         * options.h (class General_options): Add --warn-unresolved-symbols
1746         and --error-unresolved-symbols.
1747         * errors.cc (Errors::undefined_symbol): Implement
1748         --warn-unresolved-symbols.
1750         * options.h (class General_options): Add -z text and -z textoff.
1751         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1753 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1755         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1756         (Garbage_collection::cident_sections): New function.
1757         (Garbage_collection::add_cident_section): New function.
1758         (Garbage_collection::cident_sections_): New member.
1759         (gc_process_relocs): Add references to sections whose names are C
1760         identifiers.
1761         * gold.h (cident_section_start_prefix): New constant.
1762         (cident_section_stop_prefix): New constant.
1763         (is_cident): New function.
1764         * layout.cc (Layout::define_section_symbols): Replace string constants
1765         with the newly defined constants.
1766         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1767         C identifiers.
1768         * testsuite/Makefile.am: Add gc_orphan_section_test.
1769         * testsuite/Makefile.in: Regenerate.
1770         * testsuite/gc_orphan_section_test.cc: New file.
1771         * testsuite/gc_orphan_section_test.sh: New file.
1773 2010-01-06  Ian Lance Taylor  <iant@google.com>
1775         PR 10980
1776         * options.h (class General_options): Add --warn-shared-textrel.
1777         * layout.cc (Layout::finish_dynamic_section): Implement
1778         --warn-shared-textrel.
1780         PR 10980
1781         * options.h (class General_options): Add --warn-multiple-gp.
1783 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1785         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1786         $(THREADSLIB) and $(LIBDL).
1787         * Makefile.in: Rebuild.
1789 2010-01-06  Ian Lance Taylor  <iant@google.com>
1791         PR 10980
1792         * options.cc (General_options::parse_section_start): New function.
1793         (General_options::section_start): New function.
1794         (General_options::General_options): Initialize all members.
1795         * options.h: Include <map>
1796         (class General_options): Add --section-start.  Add section_starts_
1797         member.
1798         * layout.cc (Layout::attach_allocated_section_to_segment): If
1799         --section-start was used, set the address of the segment.  Remove
1800         local sort_sections.
1801         (Layout::relaxation_loop_body): If the address of the load segment
1802         has been set by --section-start, don't use it.
1803         * output.h (Output_segment::update_flags_for_output_section): New
1804         function.
1805         * output.cc (Output_segment::add_output_section): Call
1806         update_flags_for_output_section.
1808 2010-01-05  Ian Lance Taylor  <iant@google.com>
1810         PR 10980
1811         * options.h (class General_options): Add --undefined-version.
1812         * script.cc (struct Version_expression): Add was_matched_by_symbol
1813         field.
1814         (Version_script_info::matched_symbol): New function.
1815         (Version_script_info::get_symbol_version_helper): Call
1816         matched_symbol.
1817         (Version_script_info::check_unmatched_names): New function.
1818         * script.h (class Version_script_info): Update declarations.
1819         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1821         * options.h (class General_options): Use DEFINE_bool_alias for
1822         allow_multiple_definition.
1823         * resolve.cc (Symbol_table::should_override): Don't test
1824         allow_multiple_definition.
1826         PR 10980
1827         * options.h (class General_options): Add --cref.
1828         * main.cc (main): Print cref table if --cref.  Don't close mapfile
1829         until after printing cref table.
1830         * cref.cc: Include "symtab.h".
1831         (class Cref_inputs): Define Cref_table_compare and Cref_table.
1832         (Cref_table_compare::operator()): New function.
1833         (Cref_inputs::gather_cref): New function.
1834         (filecol): New static const.
1835         (Cref_inputs::print_cref): New function.
1836         (Cref::print_cref): New function.
1837         * cref.h: Include <cstdio>.
1838         (class Cref): Update declarations.
1839         * mapfile.h (Mapfile::file): New function.
1840         * object.h (class Object): Define Symbols.  Declare virtual
1841         do_get_global_symbols.
1842         (Object::get_global_symbols): New function.
1843         * object.cc (Input_objects::add_object): Pass object to cref_ if
1844         --cref.
1845         (Input_objects::archive_start): Likewise.
1846         (Input_objects::archive_stop): Likewise.
1847         (Input_objects::print_cref): New function.
1848         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1849         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1850         --cref.
1851         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1852         function.
1853         * plugin.h (class Sized_pluginobj): Update declarations.
1855 2010-01-05  Ian Lance Taylor  <iant@google.com>
1857         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1858         to is_default_version.  Rename insdef to insdefault.
1859         (Symbol_table::add_from_relobj): Rename def to is_default_version
1860         and local to is_forced_local.
1861         (Symbol_table::add_from_pluginobj): Likewise.
1862         (Symbol_table::add_from_dynobj): Likewise.
1863         (Symbol_table::define_special_symbol): Rename insdef to
1864         insdefault.
1866 2010-01-04  Ian Lance Taylor  <iant@google.com>
1868         PR 10980
1869         * options.h (class General_options): Add
1870         --allow-multiple-definition and -z muldefs.
1871         * resolve.cc (Symbol_table::should_override): Don't warn about a
1872         multiple symbol definition if --allow-multiple-definition or -z
1873         muldefs.
1875         PR 10980
1876         * options.h (class General_options): Add --add-needed and
1877         --copy-dt-needed-entries.  Tweak --as-needed help entry.
1878         * object.cc (Input_objects::check_dynamic_dependencies): Give an
1879         error if --copy-dt-needed-entries aka --add-needed is used and
1880         would cause a change in behaviour.
1882         PR 10980
1883         * options.h (class General_options): Add -G as a short version of
1884         --shared.  Add no-op options -assert, -g, and -i.
1886 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
1888         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1889         check for .text or .gnu.linkonce.t sections.
1890         * icf.cc (Icf::find_identical_sections): Ditto.
1891         Change the detection for mangled function name within the section
1892         name.
1893         * icf.h (is_section_foldable_candidate): New function.
1895 2009-12-30  Ian Lance Taylor  <iant@google.com>
1897         PR 10980
1898         * options.h (class General_options): Permit two dashes with
1899         --retain-symbols-file.
1901 2009-12-30  Ian Lance Taylor  <iant@google.com>
1903         PR 10979
1904         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1905         don't put the file header and segment headers in the text
1906         segment.
1908         PR 10979
1909         * common.cc (Sort_commons::operator()): Stabilize sort when both
1910         entries are NULL.
1911         (Symbol_table::do_allocate_commons_list): When allocating common
1912         symbols, skip a symbol which is no longer common.
1913         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1914         an object before checking its type.
1915         * testsuite/common_test_2.c: New file.
1916         * testsuite/common_test_3.c: New file.
1917         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1918         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1919         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1920         (common_test_2_pic.o, common_test_2.so): New targets.
1921         (common_test_3_pic.o, common_test_3.so): New targets.
1922         * testsuite/Makefile.in: Rebuild.
1924         PR 10979
1925         * script.cc (read_input_script): If we see a new SECTIONS clause,
1926         and we have added an input section, give an error.
1927         * layout.h (class Layout): Add have_added_input_section function.
1928         Add have_added_input_section_ field.
1929         * layout.cc (Layout::Layout): Initialize
1930         have_added_input_section_.
1931         (Layout::layout): Set have_added_input_section_.
1932         (Layout::layout_eh_frame): Likewise.
1934 2009-12-30  Ian Lance Taylor  <iant@google.com>
1936         PR 10931
1937         * options.h (class General_options): Add --sort-common option.
1938         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1939         * common.cc (Sort_common): Add sort_order parameter to
1940         constructor.  Add sort_order_ field.
1941         (Sort_commons::operator): Check sort_order_.
1942         (Symbol_table::allocate_commons): Determine the sort order.
1943         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1944         Change all callers.
1945         (Symbol_table::do_allocate_commons_list): Likewise.
1947 2009-12-30  Ian Lance Taylor  <iant@google.com>
1949         PR 10916
1950         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1951         symbols from this object, don't change the visibility of an
1952         undefined symbol.
1953         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1955 2009-12-30  Ian Lance Taylor  <iant@google.com>
1957         PR 10861
1958         * script.h (class Version_script_info): Define Language enum.
1959         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1960         new fields globals_, locals_, and is_finalized_.
1961         * script.cc: Various formatting fixes.
1962         (class Parser_closure): Change language_stack_ from a vector of
1963         std::string to one of Version_script_info::Language.  Adjust all
1964         uses accordingly.
1965         (class Lazy_demangler): Remove.
1966         (struct Version_expression): Change language from std::string to
1967         Version_script_info::Language.
1968         (Version_script_info::Version_script_info): New function.
1969         (Version_script_info::~Version_script_info): Don't call clear.
1970         (Version_script_info::finalize): New function.
1971         (Version_script_info::build_lookup_tables): New function.
1972         (Version_script_info::build_expression_list_lookup): New
1973         function.
1974         (Version_script_info::get_symbol_version_helper): Rewrite to use
1975         lookup tables.
1976         (Version_script_info::print_expression_list): Adjust to use
1977         Version_script_info::Language.
1978         (script_push_lex_into_version_mode): Check that the version script
1979         has not been finalized.
1980         (version_script_push_lang): Change language string to
1981         Version_script_info::Language.
1982         * options.cc (Command_line::version_script): New function.
1983         * options.h (class General_options): Add finalize_dynamic_list
1984         function.  Change version_script from declaration to definition.
1985         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1986         * testsuite/version_script.map: Remove duplicate def of foo.
1987         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1988         version_script.map.
1989         * testsuite/Makefile.in: Rebuild.
1991 2009-12-30  Ian Lance Taylor  <iant@google.com>
1993         PR 10843
1994         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1995         if the input symbol index is 0, make the output symbol index 0.
1997 2009-12-30  Ian Lance Taylor  <iant@google.com>
1999         PR 10670
2000         * options.h (class General_options): Add -x/--discard-all.
2001         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2002         --discard-all.  If the local symbol needs a dynamic entry, check
2003         that before handling --discard-locals.
2005 2009-12-30  Ian Lance Taylor  <iant@google.com>
2007         PR 10450
2008         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2009         flags to PF_R.
2010         (Output_segment::add_output_section): Don't change the flags if
2011         the type is PT_TLS.
2013         PR 10450
2014         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2015         GNU hash table if they need a dynamic value.  Otherwise, don't add
2016         them if they are defined in a dynamic object or are forced local.
2018 2009-12-29  Ian Lance Taylor  <iant@google.com>
2020         PR 10450
2021         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2022         .gnu.hash table for a 32-bit target.
2024         PR 10450
2025         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2026         regular and a dynamic object only needs a dynamic symbol table
2027         entry if it is externally visible.
2029         PR 10450
2030         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2031         constructor.  Add global_offset_table_ field.
2032         (Target_i386::got_section): Set global_offset_table_.
2033         (Target_i386::do_finalize_sections): Set global_offset_table_
2034         size.
2035         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2036         in constructor.  Add global_offset_table_ field.
2037         (Target_x86_64::got_section): Set global_offset_table_.
2038         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2039         size.
2041         * layout.cc (Layout::Layout): Initialize increase_relro_.
2042         (Layout::get_output_section): Add is_relro, is_last_relro, and
2043         is_first_non_relro parameters.  Change all callers.
2044         (Layout::choose_output_section): Likewise.
2045         (Layout::add_output_section_data): Likewise.
2046         (Layout::make_output_section): Likewise.
2047         (Layout::set_segment_offsets): Clear increase_relro when using a
2048         linker script.
2049         * layout.h (class Layout): Add increase_relro method.  Add
2050         increase_relro_ field.  Update declarations.
2051         * output.cc (Output_section::Output_section): Initialize
2052         is_last_relro_ and is_first_non_relro_.
2053         (Output_segment::add_output_section): Group relro sections is
2054         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2055         (Output_segment::maximum_alignment): Remove relro handling.
2056         (Output_segment::set_section_addresses): Add increase_relro
2057         parameter.  Change all callers.  Add initial alignment to align
2058         relro sections on separate page.  Remove old relro handling.
2059         (Output_segment::set_section_list_addresses): Remove in_relro
2060         parameter.  Change all callers.
2061         (Output_segment::set_offset): Add increase parameter.  Change all
2062         callers.  Remove old relro handling.
2063         * output.h (class Output_section): Add new methods: is_last_relro,
2064         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2065         Add is_last_relro_ and is_first_non_relro_ fields.
2066         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2067         Create separate .got.plt section.  Call increase_relro.
2068         * x86_64.cc (Target_x86_64::got_section): Likewise.
2069         * testsuite/relro_script_test.t: Add .got.plt.
2071         PR 10450
2072         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2073         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2074         (Layout::finalize): Call set_dynamic_symbol_size.
2075         (Layout::set_dynamic_symbol_size): New function.
2076         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2077         set_dynamic_symbol_size.
2079         PR 10450
2080         * output.h (class Output_section): Add is_entsize_zero_ field.
2081         * output.cc (Output_section::Output_section): Initialize
2082         is_entsize_zero_.
2083         (Output_section::set_entsize): If two different entsizes are
2084         requested, force it to zero.
2085         (Output_section::add_input_section): Set flags for .debug_str
2086         before updating section flags.  Set entsize.
2087         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2088         and SHF_STRING if all input sections have those flags.
2090 2009-12-29   Rafael Espindola  <espindola@google.com>
2092         * main.cc (main): Fix the sys time reporting.
2093         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2094         reporting.
2096 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2098         * options.cc (General_options::parse_version): Allow -v to exit
2099         without an error if there is nothing to link.
2101 2009-12-29  Ian Lance Taylor  <iant@google.com>
2103         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2104         using a version of gcc before 4.1.
2105         * configure: Rebuild.
2107 2009-12-28  Chris Demetriou  <cgd@google.com>
2109         * attributes.cc (Output_attributes_section_data::do_write): Use
2110         std::vector::front rather than std::vector::data.
2112 2009-12-28  Ian Lance Taylor  <iant@google.com>
2114         * symtab.h (class Symbol_table): Add enum Defined.
2115         * resolve.cc (Symbol_table::should_override): Add defined
2116         parameter.  Change all callers.  Test whether object is NULL
2117         before calling a method on it.
2118         (Symbol_table::report_resolve_problem): Add defined parameter.
2119         Change all callers.
2120         (Symbol_table::should_override_with_special): Likewise.
2121         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2122         parameter.  Change all callers.
2123         (Symbol_table::do_define_in_output_data): Likewise.
2124         (Symbol_table::define_in_output_segment): Likewise.
2125         (Symbol_table::do_define_in_output_segment): Likewise.
2126         (Symbol_table::define_as_constant): Likewise.
2127         (Symbol_table::do_define_as_constant): Likewise.
2128         * script.h (class Symbol_assignment): Add is_defsym parameter to
2129         constructor; change all callers.
2130         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2131         parameter.  Change all callers.  Add is_defsym_ field.
2132         (class Parser_closure): Add parsing_defsym parameter to
2133         constructor; change all callers.  Add parsing_defsym accessor
2134         function.  Add parsing_defsym_ field.
2136 2009-12-28  Ian Lance Taylor  <iant@google.com>
2138         * gold.cc (queue_middle_tasks): Fix formatting.
2139         * object.cc (Relobj::is_section_name_included): Likewise.
2141 2009-12-23  Ian Lance Taylor  <iant@google.com>
2143         * i386.cc (Target_i386::do_calls_non_split): Recognize
2144         -fsplit-stack prologue for a function with a static chain.
2145         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2146         -fsplit-stack prologue when using %r11.
2148 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2150         * options.cc (General_options::parse_version): Make -v continue and do
2151         the link like GNU ld does.
2153 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2155         * Makefile.am (CCFILES): Add timer.cc.
2156         (HFILES): Add timer.h.
2157         * configure.ac: Check for sysconf and times.
2158         * main.cc: include timer.h.
2159         (main): Use Timer instead of get_run_time.
2160         * timer.cc: New.
2161         * timer.h: New.
2162         * workqueue.cc: include timer.h.
2163         (Workqueue::find_and_run_task):
2164         Report user, sys and wall time.
2165         * Makefile.in: Regenerate.
2166         * config.in: Regenerate.
2167         * configure: Regenerate.
2169 2009-12-16  Doug Kwan  <dougkwan@google.com>
2171         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2172         sections.
2173         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2174         relaxed input sections.
2175         * output.cc (Output_section::find_relaxed_input_section): Change
2176         return type to Output_relaxed_input_section pointer.  Adjust code
2177         for new type of relaxed_input_section_map_.
2178         * output.h (Output_section::find_relaxed_input_section): Change
2179         return type to Output_relaxed_input_section pointer.
2180         (Output_section::Output_relaxed_input_section_by_input_section_map):
2181         New type.
2182         (Output_section::relaxed_input_section_map_): Change type to
2183         Output_section::Output_relaxed_input_section_by_input_section_map.
2184         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2185         input section.
2187 2009-12-15  Ian Lance Taylor  <iant@google.com>
2189         * layout.cc (Layout::create_shstrtab): Only write out after input
2190         sections if we are compressing debug sections.
2192 2009-12-15  Ian Lance Taylor  <iant@google.com>
2194         * archive.cc (Archive::add_symbols): Only look up a symbol without
2195         a version if there is, in fact, a version.
2197 2009-12-14  Ian Lance Taylor  <iant@google.com>
2199         Revert -Wshadow changes, all changes from:
2200         2009-12-11  Doug Kwan  <dougkwan@google.com>
2201         2009-12-11  Nick Clifton  <nickc@redhat.com>
2202         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2204 2009-12-11  Doug Kwan  <dougkwan@google.com>
2206         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2207         due to -Wshadow.
2208         * attributes.cc (Object_attribute::size): Ditto.
2209         (Attributes_section_data::size): Ditto.
2210         (Attributes_section_data::Attributes_section_data): Ditto.
2211         (Output_attributes_section_data::do_write): Ditto.
2212         * attributes.h (Object_attribute::set_type): Ditto.
2213         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2215 2009-12-11  Nick Clifton  <nickc@redhat.com>
2217         * archive.cc: Fix shadowed variable warnings.
2218         * arm.cc: Likewise.
2219         * compressed_output.cc: Likewise.
2220         * compressed_output.h: Likewise.
2221         * configure: Likewise.
2222         * dwarf_reader.cc: Likewise.
2223         * dynobj.cc: Likewise.
2224         * dynobj.h: Likewise.
2225         * ehframe.cc: Likewise.
2226         * ehframe.h: Likewise.
2227         * errors.cc: Likewise.
2228         * expression.cc: Likewise.
2229         * fileread.cc: Likewise.
2230         * fileread.h: Likewise.
2231         * freebsd.h: Likewise.
2232         * i386.cc: Likewise.
2233         * icf.cc: Likewise.
2234         * incremental.h: Likewise.
2235         * layout.cc: Likewise.
2236         * layout.h: Likewise.
2237         * mapfile.cc: Likewise.
2238         * merge.cc: Likewise.
2239         * merge.h: Likewise.
2240         * object.cc: Likewise.
2241         * object.h: Likewise.
2242         * options.h: Likewise.
2243         * output.cc: Likewise.
2244         * output.h: Likewise.
2245         * parameters.cc: Likewise.
2246         * plugin.cc: Likewise.
2247         * powerpc.cc: Likewise.
2248         * reduced_debug_output.cc: Likewise.
2249         * reduced_debug_output.h: Likewise.
2250         * reloc.cc: Likewise.
2251         * reloc.h: Likewise.
2252         * resolve.cc: Likewise.
2253         * script-sections.cc: Likewise.
2254         * script.cc: Likewise.
2255         * script.h: Likewise.
2256         * sparc.cc: Likewise.
2257         * symtab.cc: Likewise.
2258         * symtab.h: Likewise.
2259         * target-select.cc: Likewise.
2260         * target-select.h: Likewise.
2261         * token.h: Likewise.
2262         * workqueue.cc: Likewise.
2263         * workqueue.h: Likewise.
2264         * x86_64.cc: Likewise.
2266 2009-12-10  Doug Kwan  <dougkwan@google.com>
2268         * arm.cc (attributes.h): New include.
2269         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2270         (Arm_relobj::~Arm_relobj): Delete object pointed by
2271         attributes_section_data_.
2272         (Arm_relobj::attributes_section_data): New method definition.
2273         (Arm_relobj::attributes_section_data_): New data member declaration.
2274         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2275         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2276         attributes_section_data_.
2277         (Arm_dynobj::attributes_section_data): New method definition.
2278         (Arm_dynobj::attributes_section_data_): New data member declaration.
2279         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2280         initialization value of may_use_blx_ to false.
2281         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2282         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2283         object attributes to compute results instead of hard-coding.
2284         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2285         Target_arm::get_secondary_compatible_arch,
2286         Target_arm::set_secondary_compatible_arch
2287         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2288         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2289         New method declarations.
2290         (Target_arm::get_aeabi_object_attribute): New method definition.
2291         (Target_arm::attributes_section_data_): New data member declaration.
2292         (read_arm_attributes_section): New template definition.
2293         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2294         (Arm_dynobj::do_read_symbols): Ditto.
2295         (Target_arm::do_finalize_sections): Merge attributes sections from
2296         input.  Check for BLX use after attributes section merging.
2297         Fix __exidx_start and __exidx_end visibility.  Create an
2298         .ARM.attributes section if necessary.
2299         (Target_arm::get_secondary_compatible_arch,
2300         Target_arm::set_secondary_compatible_arch,
2301         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2302         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2303         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2304         New method definitions.
2306 2009-12-09  Ian Lance Taylor  <iant@google.com>
2308         * plugin.cc (Plugin::load): Don't cast from void* to a function
2309         pointer.
2311 2009-12-09  Ian Lance Taylor  <iant@google.com>
2313         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2314         information fields.
2316 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2318         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2319         Replace two_file_shared_1.so with two_file_shared_2.so.
2320         * testsuite/Makefile.in: Regenerated.
2322 2009-12-08  Doug Kwan  <dougkwan@google.com>
2324         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2325         (HFILES): Add attributes.h and int_encoding.h.
2326         * Makefile.in: Regenerate.
2327         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2328         function definitions to int_encoding.cc
2329         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2330         prototypes to int_encoding.h
2331         * reduced_debug_output.cc (int_encoding.h): New include.
2332         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2333         function definitions to int_encoding.cc
2334         (insert_into_vector, read_from_pointer): Move template definitions to
2335         int_encoding.h
2336         * attributes.cc: New file.
2337         * attributes.h: New file.
2338         * int_encoding.cc: New file.
2339         * int_encoding.h: New file.
2341 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2343         PR gold/11055
2344         * incremental-dump.cc (dump_incremental_inputs): New.
2345         (main): Use dump_incremental_inputs.
2347 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2349         PR gold/10893
2350         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2351         checking elfcpp::STT_FUNC.
2352         (Target_i386::Relocate::relocate): Likewise.
2353         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2355         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2356         symbols from shared libraries into normal FUNC symbols.
2358         * symtab.h (Symbol): Add is_func and use it.
2360 2009-12-05  Doug Kwan  <dougkwan@google.com>
2362         * arm.cc (Target_arm::arm_info): Initialize new fields
2363         attributes_section and attributes_vendor.
2364         * i386.cc (Target_i386::i386_info): Same.
2365         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2366         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2367         fields attributes_section and attributes_vendor.
2368         * sparc.cc (Target_sparc::sparc_info): Same.
2369         * target.h (Target::attributes_section, Target::attributes_vendor,
2370         Target::is_attributes_section, Target::attribute_arg_type,
2371         Target::attributes_order): New method definitions.
2372         (Target::Target_info::attributes_section,
2373         Target::Target_info::attributes_vendor): New fields.
2374         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2375         virtual method definitions.
2376         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2377         attributes_section and attributes_vendor.
2378         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2380 2009-12-05  Doug Kwan  <dougkwan@google.com>
2382         * arm.cc: Update comments about interworking and stub generation.
2383         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2384         considered as non-PIC.
2385         (Arm_relocate_functions::base_abs): Fix formatting.
2386         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2387         of function to use GOT entry address instead of offset.
2388         (Target_arm::Scan::global): Issue an error if a symbol would need a
2389         PLT does not get one because it is untyped.  Remove code to create
2390         dynamic symbols for relative branches.
2391         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2392         takes unsigned integer instead of boolean.
2394 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2396         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2397         (two_file_test_LDADD): Likewise.
2398         (common_test_1_LDADD): Likewise.
2399         (exception_test_LDADD) Likewise.
2400         (weak_test_LDADD): Likewise.
2401         (many_sections_test_LDADD): Likewise.
2402         (initpri1_LDADD): Likewise.
2403         (script_test_1_LDADD): Likewise.
2404         (script_test_2_LDADD): Likewise.
2405         (justsyms_LDADD): Likewise.
2406         (binary_test_LDADD): Likewise.
2407         (large_LDADD): Likewise.
2408         * testsuite/Makefile.in: Regenerated.
2410 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2412         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2413         (Symbol_table::override_with_special): Likewise.
2414         (Symbol_table::add_from_object): Likewise.
2416 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2418         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2419         Don't set the data_offset twice.
2421 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2423         * testsuite/Makefile.in: Regenerate.
2425 2009-12-03  Doug Kwan  <dougkwan@google.com>
2427         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2428         (Target_arm::do_finalize_sections): Add parameter for symbol table
2429         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2430         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2431         parameter for symbol table pointer.
2432         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2433         an additional parameter for a pointer to symbol table.
2434         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2435         parameter for a symbol table pointer.
2436         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2437         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2438         Ditto.
2439         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2440         parameter for a symbol table pointer.
2442 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2444         * incremental.cc (Incremental_inputs_header)
2445         (Incremental_inputs_header_write, Incremental_inputs_entry)
2446         (Incremental_inputs_entry_write): Move ...
2447         * incremental.h (Incremental_inputs_header)
2448         (Incremental_inputs_header_write, Incremental_inputs_entry)
2449         (Incremental_inputs_entry_write): here.
2451 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2453         * incremental.cc (make_sized_incremental_binary): Set the target.
2454         Error if it is incompatible.
2455         * output.h (Output_file): Add filename method.
2457 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2459         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2460         from the get_* methods.
2462 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2464         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2465         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2466         Write 0 for the data_offset of scripts.
2468 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2470         * testsuite/Makefile.am: Add the incremental_test.sh test.
2471         * testsuite/incremental_test.sh: New.
2472         * testsuite/incremental_test_1.c: New.
2473         * testsuite/incremental_test_2.c: New.
2475 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2477        * incremental-dump.cc (main): Fix typos.
2479 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2481         PR gold/11025
2482         * incremental-dump.cc (main): Use llu to print 64 bit values.
2484 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2485             H.J. Lu  <hongjiu.lu@intel.com>
2487         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2488         $(LIBDL).
2489         (incremental_dump_LDADD): Likewise.
2490         * Makefile.in: Regenerated.
2492 2009-11-25  Doug Kwan  <dougkwan@google.com>
2493         
2494         Revert:
2496         2009-11-25  Doug Kwan  <dougkwan@google.com>
2498                 * arm.cc (Target_arm::Target_arm): Move method definition
2499                 outside of class definition.  Add code to handle
2500                 --target1-rel, --target1-abs and --target2= options.
2501                 (Target_arm::get_reloc_reloc_type): Change method to be
2502                 non-static and const.
2503                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2504                 New data member declaration.
2505                 (Target_arm::Scan::local, Target_arm::Scan::global,
2506                 Target_arm::Relocate::relocate,
2507                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2508                 Adjust call to Target_arm::get_real_reloc_type.
2509                 (Target_arm::get_real_reloc_type): Use command line options
2510                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2511                 * options.h (--target1-rel, --target1-abs, --target2): New
2512                 ARM-only options.
2514 2009-11-25  Doug Kwan  <dougkwan@google.com>
2516         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2517         class definition.  Add code to handle --target1-rel, --target1-abs
2518         and --target2= options.
2519         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2520         and const.
2521         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2522         member declaration.
2523         (Target_arm::Scan::local, Target_arm::Scan::global,
2524         Target_arm::Relocate::relocate,
2525         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2526         call to Target_arm::get_real_reloc_type.
2527         (Target_arm::get_real_reloc_type): Use command line options to
2528         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2529         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2530         options.
2532 2009-11-25  Doug Kwan  <dougkwan@google.com>
2534         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2535         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2536         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2537         formatting.
2538         (Arm_relocate_functions::thm_call): Replace body with a call to
2539         Arm_relocate_functions::thumb_branch_common.
2540         (Arm_relocate_functions::thm_jump24,
2541         Arm_relocate_functions::thm_xpc22): New method definitions.
2542         (Arm_relocate_functions::thumb_branch_common): New method definition.
2543         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2544         operator.
2545         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2546         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2548 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2550         * Makefile.am: Build incremental-dump
2551         * Makefile.in: Regenerate.
2552         * incremental-dump.cc: New.
2553         * incremental.cc (Incremental_inputs_header_data,
2554         Incremental_inputs_entry_data): Move to incremental.h
2555         * incremental.h: (Incremental_inputs_header_data,
2556         Incremental_inputs_entry_data): Move from incremental.cc
2558 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2560         * incremental.cc (Incremental_inputs_header,
2561         Incremental_inputs_header_write, Incremental_inputs_entry,
2562         Incremental_inputs_entry_write): Add a typedef with the data type.
2564 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2566         * incremental.cc (Incremental_inputs_header,
2567         Incremental_inputs_header_write, Incremental_inputs_entry,
2568         Incremental_inputs_entry_write): Update comment about which
2569         type has the filed descriptions.
2571 2009-11-15  Doug Kwan  <dougkwan@google.com>
2573         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2574         (Arm_relocate_functions::arm_branch_common): Change method defintion
2575         in class definition to a method declaration and update list of formal
2576         parameters.
2577         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2578         Arm_relocation_functions::jump24): Adjust call to
2579         Arm_relocate_functions::arm_branch_common.  Update list of formal
2580         parameters.
2581         (Arm_relocate_functions::xpc25): New method definition.
2582         (Arm_relocate_functions::arm_branch_common): Move method defintion
2583         out from class definition.  Use stubs for mode-switching and extending
2584         branch ranges.
2585         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2586         specially.  Change code to enable use of stubs in ARM branches.
2588 2009-11-10  Doug Kwan  <dougkwan@google.com>
2590         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2591         in method declaration.
2592         (Target_arm::relocate_stub): New method declaration.
2593         (Target_arm::default_target): Change to return a pointer instead of
2594         a const reference.
2595         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2596         Target_arm::default_target.
2597         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2598         method definition.
2599         (Target_arm::relocate_section): Adjust view.
2600         (Target_arm::relocate_stub): New method definition.
2602 2009-11-10  Doug Kwan  <dougkwan@google.com>
2604         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2605         a format warning.
2606         * incremental.cc (open_incremental_binary): Initialized local
2607         variables to avoid warnings.
2608         * object.cc (make_elf_object): Ditto.
2609         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2610         a format warning.
2612 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2614         PR gold/10930
2615         * testsuite/plugin_test.c: Include "config.h".
2617 2009-11-09  Doug Kwan  <dougkwan@google.com>
2619         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2620         (arm_symbol_value): Remove.
2621         (Arm_relocate_functions::arm_branch_common,
2622         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2623         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2624         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2625         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2626         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2627         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2628         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2629         Arm_relocate_functions::thm_mobw_abs_nc,
2630         Arm_relocate_functions::thm_mov_abs,
2631         Arm_relocate_functions::movw_prel_nc,
2632         Arm_relocate_functions::thm_movt_abs,
2633         Arm_relocate_functions::movt_prel,
2634         Arm_relocate_functions::thm_movw_prel_nc,
2635         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2636         (Target_arm::Relocate::relocate): Only decompose address into two
2637         parts if relocation type uses the thumb-bit and pass the actual
2638         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2639         calls to methods in Arm_relocate_functions for this change.
2641 2009-11-08  Ian Lance Taylor  <iant@google.com>
2643         PR 10925
2644         * reloc.cc: Instantiate
2645         Sized_relobj::initialize_input_to_output_maps and
2646         Sized_relobj:free_input_to_output_maps.
2648 2009-11-06  Ian Lance Taylor  <iant@google.com>
2650         PR 10876
2651         * defstd.cc (in_segment): Set only_if_ref true for "end".
2653 2009-11-06  Doug Kwan  <dougkwan@google.com>
2655         * arm.cc (class Reloc_stub): Correct a comment.
2656         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2657         (Target_arm::scan_section_for_stubs): New method declaration.
2658         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2659         Change methods from private to protected.
2660         (Target_arm::do_may_relax): New method definition.
2661         (Target_arm::do_relax, Target_arm::group_sections,
2662         Target_arm::scan_reloc_for_stub,
2663         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2664         (Target_arm::arm_input_section_map_): New data member declaration.
2665         (Target_arm::scan_reloc_for_stub,
2666         Target_arm::scan_reloc_section_for_stubs,
2667         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2668         Target_arm::do_relax): New method definitions.
2670 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2672         * configure.ac: Check for (struct stat)::st_mtim
2673         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2674         * config.in: Regenerate.
2675         * configure: Regenerate.
2677 2009-11-05  Ian Lance Taylor  <iant@google.com>
2679         PR 10910
2680         * output.cc (Output_segment::add_output_section): Add missing
2681         return statement.
2683 2009-11-04  Ian Lance Taylor  <iant@google.com>
2685         PR 10880
2686         * object.h (class Object): Add is_needed and set_is_needed
2687         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2688         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2689         defined in a dynamic object and referenced by a regular object,
2690         set is_needed for the dynamic object.
2691         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2692         if the file is marked with as_needed and it is not needed.
2694 2009-11-04  Ian Lance Taylor  <iant@google.com>
2696         PR 10887
2697         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2698         tags if data is discarded by linker script.
2699         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2700         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2701         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2702         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2704 2009-11-04  Ian Lance Taylor  <iant@google.com>
2706         * layout.cc (Layout::get_output_section): Add is_interp and
2707         is_dynamic_linker_section parameters.  Change all callers.
2708         (Layout::choose_output_section): Likewise.
2709         (Layout::make_output_section): Likewise.
2710         (Layout::add_output_section_data): Add is_dynamic_linker_section
2711         parameter.  Change all callers.
2712         * layout.h (class Layout): Update declarations.
2713         * output.h (class Output_section): Add is_interp, set_is_interp,
2714         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2715         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2716         generate_code_fills_at_write_ to a bitfield.
2717         * output.cc (Output_section::Output_sections): Initialize new
2718         fields.
2719         (Output_segment::add_output_section): Add do_sort parameter.
2720         Change all callers.
2722 2009-11-03  Ian Lance Taylor  <iant@google.com>
2724         PR 10860
2725         * options.h (class General_options): Add --warn-common.
2726         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2727         merging two common symbols.
2728         (Symbol_table::should_override): Handle --warn-common when merging
2729         a common symbol with a defined symbol.  Use report_resolve_problem
2730         for multiple definitions.
2731         (Symbol_table::report_resolve_problem): New function.
2732         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2734 2009-11-03  Doug Kwan  <dougkwan@google.com>
2736         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2737         stub_factory_.
2738         (Target_arm::stub_factory): New method definition.
2739         (Target_arm::new_arm_input_section,
2740         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2741         Target_arm::reloc_uses_thumb_bit): New method declarations.
2742         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2743         New type definitions.
2744         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2745         member declarations.
2746         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2747         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2748         New method definitions.
2750 2009-11-03  Ian Lance Taylor  <iant@google.com>
2752         * options.h (class General_options): Add --warn_constructors.
2754 2009-11-03  Ian Lance Taylor  <iant@google.com>
2756         PR 10893
2757         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2758         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2760 2009-11-03  Ian Lance Taylor  <iant@google.com>
2762         PR 10895
2763         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2764         --msgid-bugs-address.
2765         (install-pdf): New target.
2766         (install-data_yes): Look up one directory to find mkinstalldirs.
2768 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2770         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2771         tree.
2773 2009-10-30  Doug Kwan  <dougkwan@google.com>
2775         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2777 2009-10-30  Doug Kwan  <dougkwan@google.com>
2779         * arm.cc (Stub_addend_reader): New struct template definition
2780         and partial specializations.
2781         (Stub_addend_reader::operator()): New method definition for a
2782         partially specialized template.
2784 2009-10-30  Doug Kwan  <dougkwan@google.com>
2786         * arm.cc (Arm_relobj::processor_specific_flags): New method
2787         definition.
2788         (Arm_relobj::do_read_symbols): New method declaration.
2789         (Arm_relobj::processor_specific_flags_): New data member declaration.
2790         (Arm_dynobj): New class definition.
2791         (Target_arm::do_finalize_sections): Add input_objects parameter.
2792         (Target_arm::do_adjust_elf_header): New method declaration.
2793         (Target_arm::are_eabi_versions_compatible,
2794         (Target_arm::merge_processor_specific_flags): New method declaration.
2795         (Target_arm::do_make_elf_object): New overloaded method definitions
2796         and declaration.
2797         (Arm_relobj::do_read_symbols): New method definition.
2798         (Arm_dynobj::do_read_symbols): Ditto.
2799         (Target_arm::do_finalize_sections): Add input_objects parameters.
2800         Merge processor-specific flags from all input objects.
2801         (Target_arm::are_eabi_versions_compatible,
2802         Target_arm::merge_processor_specific_flags,
2803         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2804         New method definitions.
2805         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2806         Input_objects pointer type parameter.
2807         * layout.cc (Layout::finalize): Pass input objects to target's.
2808         finalize_sections function.
2809         * output.cc (Output_file_header::do_sized_write): Set ELF file
2810         header's processor-specific flags.
2811         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2812         Input_objects pointer type parameter.
2813         * sparc.cc (Target_sparc::do_finalize_sections): Same.
2814         * target.h (Input_objects): New forward class declaration.
2815         (Target::processor_specific_flags,
2816         Target::are_processor_specific_flags_sect): New method definitions.
2817         (Target::finalize_sections): Add input_objects parameter.
2818         (Target::Target): Initialize processor_specific_flags_ and
2819         are_processor_specific_flags_set_.
2820         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2821         parameter.
2822         (Target::set_processor_specific_flags): New method definition.
2823         (Target::processor_specific_flags_,
2824         Target::are_processor_specific_flags_set_): New data member
2825         declarations.
2826         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2827         Input_objects pointer type parameter.
2829 2009-10-30  Doug Kwan  <dougkwan@google.com>
2831         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2833 2009-10-28  Ian Lance Taylor  <iant@google.com>
2835         * object.h (class Relobj): Drop options parameter from
2836         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2837         do_scan_relocs, do_relocate.  Change all callers.
2838         (class Sized_relobj): Drop options parameters from
2839         do_gc_process_relocs, do_scan_relocs, do_relocate,
2840         do_relocate_sections, relocate_sections, emit_relocs_scan,
2841         emit_relocs_scan_reltype.  Change all callers.
2842         (struct Relocate_info): Remove options field and all references to
2843         it.
2844         * reloc.h (class Read_relocs): Remove options constructor
2845         parameter and options_ field.  Change all callers.
2846         (class Gc_process_relocs, class Scan_relocs): Likewise.
2847         (class Relocate_task): Likewise.
2848         * target-reloc.h (scan_relocs): Remove options parameter.  Change
2849         all callers.
2850         (scan_relocatable_relocs): Likewise.
2851         * target.h (class Sized_target): Remove options parameter from
2852         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
2853         all callers.
2854         * gc.h (gc_process_relocs): Remove options parameter.  Change all
2855         callers.
2856         * arm.cc: Update functions to remove options parameters.
2857         * i386.cc: Likewise.
2858         * powerpc.cc: Likewise.
2859         * sparc.cc: Likewise.
2860         * x86_64.cc: Likewise.
2861         * testsuite/testfile.cc: Likewise.
2863 2009-10-28  Doug Kwan  <dougkwan@google.com>
2865         * arm.cc (Arm_relobj): New class definition.
2866         (Arm_relobj::scan_sections_for_stubs, 
2867         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2868         New method definitions.
2870 2009-10-28  Cary Coutant  <ccoutant@google.com>
2872         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2873         (Plugin::cleanup_done_): New member.
2874         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2875         (Plugin_manager::cleanup_done_): Remove.
2876         (Plugin_manager::add_input_file): Edit error message.
2877         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2878         (Plugin_manager::cleanup): Remove use of cleanup_done_.
2880 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
2882         * fileread.cc: (File_read::View::~View): Use the new
2883         data_ownership_ filed.
2884         (File_read::~File_read): Dispose the new whole_file_view_.
2885         (File_read::open): Mmap the whole file if needed.
2886         (File_read::open): Use whole_file_view_ instead of contents_.
2887         (File_read::find_view): Use whole_file_view_ if applicable.
2888         (File_read::do_read): Use whole_file_view_ instead of contents_.
2889         (File_read::make_view): Use whole_file_view_ instead of contents_,
2890         update File_read::View::View call.
2891         (File_read::find_or_make_view): Update File_read::View::View
2892         call.
2893         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2894         remove contents_
2895         (File_read::View::Data_ownership): New enum.
2896         (File_read::View::View): Replace bool mapped_ with Data_ownership
2897         argument.
2898         (File_read::View::mapped_): Remove (replaced by data_ownership_).
2899         (File_read::View::data_ownership_): New field.
2900         (File_read::contents_): Remove (replaced by whole_file_view_).
2901         (File_read::whole_file_view_): New field.
2902         * options.h (class General_options): Add --keep-files-mapped.
2904 2009-10-27  Cary Coutant  <ccoutant@google.com>
2906         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2907         * testsuite/Makefile.am (plugin_test_5): New test case.
2908         * testsuite/Makefile.in: Regenerate.
2910 2009-10-25  Doug Kwan  <dougkwan@google.com>
2912         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2913         from private to protected to allow access by child class.
2914         (Sized_relobj::do_relocate_sections): New method declaration.
2915         (Sized_relobj::relocate_sections): Virtualize.
2916         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
2917         Sized_relobj::relocate_sections.  Instantiate template explicitly
2918         for different target sizes and endianity.
2920 2009-10-24  Doug Kwan  <dougkwan@google.com>
2922         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2923         (Arm_input_section::as_arm_input_section): New method.
2924         (Arm_output_section): New class definition.
2925         (Arm_output_section::create_stub_group,
2926         Arm_output_section::group_sections): New method definitions.
2928 2009-10-22  Doug Kwan  <dougkwan@google.com>
2930         * arm.cc (Arm_input_section): New class definition.
2931         (Arm_input_section::init, Arm_input_section:do_write,
2932         Arm_input_section::set_final_data_size,
2933         Arm_input_section::do_reset_address_and_file_offset): New method
2934         definitions.
2936 2009-10-21  Doug Kwan  <dougkwan@google.com>
2938         * arm.cc (Stub_table, Arm_input_section): New forward class
2939         declarations.
2940         (Stub_table): New class defintion.
2941         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2942         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2943         New method definition.
2945 2009-10-21  Doug Kwan  <dougkwan@google.com>
2947         * arm.cc: Update copyright comments.
2948         (Target_arm): New forward class template declaration.
2949         (Arm_address): New type.
2950         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2951         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2952         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2953         constants.
2954         (Insn_template): Same.
2955         (DEF_STUBS): New macro.
2956         (Stub_type): New enum type.
2957         (Stub_template): New class definition.
2958         (Stub): Same.
2959         (Reloc_stub): Same.
2960         (Stub_factory): Same.
2961         (Target_arm::Target_arm): Initialize may_use_blx_ and
2962         should_force_pic_veneer_.
2963         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2964         Target_arm::should_force_pic_veneer,
2965         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2966         Target_arm::using_thumb_only, Target_arm:;default_target): New
2967         method defintions.
2968         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2969         New data member declarations.
2970         (Insn_template::size, Insn_template::alignment): New method defintions.
2971         (Stub_template::Stub_template): New method definition.
2972         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2973         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2974         (Stub_factory::Stub_factory): New method definition.
2975         * gold.h (string_hash): New template.
2976         * output.h (Input_section_specifier::hash_value): Use
2977         gold::string_hash.
2978         (Input_section_specifier::string_hash): Remove.
2979         * stringpool.cc (Stringpool_template::string_hash): Use
2980         gold::string_hash.
2982 2009-10-20  Doug Kwan  <dougkwan@google.com>
2984         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2985         symbols of relaxed input sections.
2986         * output.h (Output_section::find_relaxed_input_section): Make
2987         method public.
2989 2009-10-16  Doug Kwan  <dougkwan@google.com>
2991         * dynobj.cc (Versions::Versions): Initialize version_script_.
2992         Only insert base version symbol definition for a shared object
2993         if version script defines any version versions.
2994         (Versions::define_base_version): New method definition.
2995         (Versions::add_def): Check that base version is not needed.
2996         (Versions::add_need): Define base version lazily.
2997         * dynobj.h (Versions::define_base_version): New method declaration.
2998         (Versions::needs_base_version_): New data member declaration.
2999         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3000         (check_DATA): Add no_version_test.stdout.
3001         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3002         New make rules.
3003         * testsuite/Makefile.in: Regenerate.
3004         * testsuite/no_version_test.c: New file.
3005         * testsuite/no_version_test.sh: Ditto.
3007 2009-10-16  Doug Kwan  <dougkwan@google.com>
3009         * expression.cc (class Segment_start_expression): New class definition.
3010         (Segment_start_expression::value): New method definition.
3011         (script_exp_function_segment_start): Return a new
3012         Segment_start_expression.
3013         * gold/script-c.h (script_saw_segment_start_expression): New function
3014         prototype.
3015         * script-sections.cc (Script_sections::Script_sections): Initialize
3016         SAW_SEGMENT_START_EXPRESSION_ to false.
3017         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3018         and -Tbbs options to specify section addresses if given in
3019         command line and no SEGMENT_START expression is seen in a script.
3020         * script-sections.h (Script_sections::saw_segment_start_expression,
3021         Script_sections::set_saw_segment_start_expression): New method
3022         definition.
3023         (Script_sections::saw_segment_start_expression_): New data member
3024         declaration.
3025         * script.cc (script_saw_segment_start_expression): New function.
3026         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3027         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3028         script_test_7.sh and script_test_8.sh.
3029         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3030         script_test_8.stdout.
3031         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3032         (script_test_6, script_test_6.stdout, script_test_7,
3033         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3034         * Makefile.in: Regenerate.
3035         * testsuite/script_test_6.sh: New file.
3036         * testsuite/script_test_6.t: Same.
3037         * testsuite/script_test_7.sh: Same.
3038         * testsuite/script_test_7.t: Same.
3039         * testsuite/script_test_8.sh: Same.
3041 2009-10-16  Doug Kwan  <dougkwan@google.com>
3043         * output.cc (Output_segment::set_section_list_address): Cast
3044         expressions to unsigned long long type to avoid format warnings.
3046 2009-10-15  Ian Lance Taylor  <iant@google.com>
3048         * script.cc (Script_options::add_symbol_assignment): Always add a
3049         dot assignment to script_sections_.
3050         * script-sections.cc (Script_sections::add_dot_assignment):
3051         Initialize if necessary.
3053         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3054         program headers with no load segment if there is a linker script.
3056         * layout.cc (Layout::set_segment_offsets): Align the file offset
3057         to the segment aligment for -N or -n with no load segment.
3058         * output.cc (Output_segment::add_output_section): Don't crash if
3059         the first section is a TLS section.
3060         (Output_segment::set_section_list_addresses): Print an error
3061         message if the address moves backward in a linker script.
3062         * script-sections.cc
3063         (Output_section_element_input::set_section_addresses): Don't
3064         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3065         (Orphan_output_section::set_section_addresses): Likewise.
3067 2009-10-15  Doug Kwan  <dougkwan@google.com>
3069         * layout.cc (Layout::finish_dynamic_section): Generate tags
3070         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3071         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3072         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3074 2009-10-14  Ian Lance Taylor  <iant@google.com>
3076         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3077         fields.
3078         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3079         data_shdr fields of relinfo.
3080         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3081         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3082         R_386_TLS_LDO_32, adjust based on section flags.
3083         (Target_i386::Relocate::fix_up_ldo): Remove.
3085 2009-10-13  Ian Lance Taylor  <iant@google.com>
3087         Add support for -pie.
3088         * options.h (class General_options): Add -pie and
3089         --pic-executable.
3090         (General_options::output_is_position_independent): Test -pie.
3091         (General_options::output_is_executable): Return true if not shared
3092         and not relocatable.
3093         (General_options::output_is_pie): Remove.
3094         * options.cc (General_options::finalize): Reject incompatible uses
3095         of -pie.
3096         * gold.cc (queue_middle_tasks): A -pie link is not static.
3097         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3098         * symtab.cc (Symbol::final_value_is_known): Return false if
3099         output_is_position_independent.
3100         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3101         output_is_position_independent.
3102         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3103         output_is_position_independent.
3104         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3105         output_is_position_independent.
3106         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3107         two_file_pie_test.
3108         (basic_pie_test.o, basic_pie_test): New targets.
3109         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3110         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3111         (two_file_pie_test): New target.
3112         * testsuite/Makefile.in: Rebuild.
3113         * README: Remove note saying that -pie is not supported.
3115 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3117         * options.h (class General_options): Add -init and -fini.
3118         * layout.cc (Layout::finish_dynamic_section): Emit
3119         given init and fini functions.
3121 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3123         * gc.h (gc_process_relocs): Check if icf is enabled using new
3124         function.
3125         * gold.cc (queue_initial_tasks): Likewise.
3126         (queue_middle_tasks): Likewise.
3127         * object.cc (do_layout): Likewise.
3128         * symtab.cc (is_section_folded): Likewise.
3129         * main.cc (main): Likewise.
3130         * reloc.cc (Read_relocs::run): Likewise.
3131         (Sized_relobj::do_scan_relocs): Likewise.
3132         * icf.cc (is_function_ctor_or_dtor): New function.
3133         (Icf::find_identical_sections): Check if function is ctor or dtor when
3134         safe icf is chosen.
3135         * options.h (General_options::icf): Change option to be an enum.
3136         (Icf_status): New enum.
3137         (icf_enabled): New method.
3138         (icf_safe_folding): New method.
3139         (set_icf_status): New method.
3140         (icf_status_): New variable.
3141         * (options.cc) (General_options::finalize): Set icf_status_.
3142         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3143         icf_test and icf_keep_unique_test to use the --icf enum flag.
3144         * testsuite/icf_safe_test.sh: New file.
3145         * testsuite/icf_safe_test.cc: New file. 
3147 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3149         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3150         includes to gc.h and icf.h.
3151         * arm.cc: Include gc.h.
3152         * gold.cc: Likewise.
3153         * i386.cc: Likewise.
3154         * powerpc.cc: Likewise.
3155         * sparc.cc: Likewise.
3156         * x86_64.cc: Likewise.
3157         * gc.h: Include icf.h.
3159 2009-10-11  Ian Lance Taylor  <iant@google.com>
3161         * plugin.cc: Include "gold.h" before other header files.
3163 2009-10-10  Chris Demetriou  <cgd@google.com>
3165         * options.h (Input_file_argument::Input_file_type): New enum.
3166         (Input_file_argument::is_lib_): Replace with...
3167         (Input_file_argument::type_): New member.
3168         (Input_file_argument::Input_file_argument): Take Input_file_type
3169         'type' rather than boolean 'is_lib' as second argument.
3170         (Input_file_argument::is_lib): Use type_.
3171         (Input_file_argument::is_searched_file): New function.
3172         (Input_file_argument::may_need_search): Handle is_searched_file.
3173         * options.cc (General_options::parse_library): Support -l:filename.
3174         (General_options::parse_just_symbols): Update for Input_file_argument
3175         changes.
3176         (Command_line::process): Likewise.
3177         * archive.cc (Archive::get_file_and_offset): Likewise.
3178         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3179         * script.cc (read_script_file, script_add_file): Likewise.
3180         * fileread.cc (Input_file::Input_file): Likewise.
3181         (Input_file::will_search_for): Handle is_searched_file.
3182         (Input_file::open): Likewise.
3183         * readsyms.cc (Read_symbols::get_name): Likewise.
3184         * testsuite/Makefile.am (searched_file_test): New test.
3185         * testsuite/Makefile.in: Regenerate.
3186         * testsuite/searched_file_test.cc: New file.
3187         * testsuite/searched_file_test_lib.cc: New file.
3189 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3190             Ian Lance Taylor  <iant@google.com>
3192         * descriptor.cc: Include <cstdio> and "binary-io.h".
3193         (Descriptors::open): Open the files in binary mode always.
3194         * script.cc (Lex::get_token): Treat \r as whitespace.
3196 2009-10-09  Ian Lance Taylor  <iant@google.com>
3198         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3200 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3201             Ian Lance Taylor  <iant@google.com>
3203         * configure.ac: Check for readv function also.
3204         * fileread.cc (readv): Define if not HAVE_READV.
3205         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3206         does not exist.
3207         * config.in: Regenerate.
3208         * configure: Regenerate.
3210 2009-10-09  Doug Kwan  <dougkwan@google.com>
3212         * layout.cc (Layout::make_output_section): Call target hook to make
3213         ordinary output section.
3214         (Layout::finalize): Adjust parameter list of call the
3215         Target::may_relax().
3216         * layout.h (class Layout::section_list): New method.
3217         * merge.h (Output_merge_base::entsize): Change visibility to public.
3218         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3219         New methods.
3220         (Output_merge_string::do_is_string): New method.
3221         * object.cc (Sized_relobj::do_setup): renamed from
3222         Sized_relobj::set_up.
3223         * object.h (Sized_relobj::adjust_shndx,
3224         Sized_relobj::initializ_input_to_output_maps,
3225         Sized_relobj::free_input_to_output_maps): Change visibilities to
3226         protected.
3227         (Sized_relobj::setup): Virtualize.
3228         (Sized_relobj::do_setup): New method declaration.
3229         (Sized_relobj::invalidate_section_offset,
3230         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3231         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3232         * options.cc (parse_int): New function.
3233         * options.h (parse_int): New declaration.
3234         (DEFINE_int): New macro.
3235         (stub_group_size): New option.
3236         * output.cc (Output_section::Output_section): Initialize memebers
3237         merge_section_map_, merge_section_by_properties_map_,
3238         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3239         (Output_section::add_input_section): Handled deferred code-fill
3240         generation and remove an old comment.
3241         (Output_section::add_relaxed_input_section): New method definition.
3242         (Output_section::add_merge_input_section): Use merge section by
3243         properties map to speed to search.  Update merge section maps
3244         as appropriate.
3245         (Output_section::build_relaxation_map): New method definition.
3246         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3247         Same.
3248         (Output_section::relax_input_section): Renamed to
3249         Output_section::convert_input_sections_to_relaxed_sections and change
3250         interface to take a vector of pointers to relaxed sections.
3251         (Output_section::find_merge_section,
3252         Output_section::find_relaxed_input_section): New method definitions.
3253         (Output_section::is_input_address_mapped,
3254         Output_section::output_offset, Output_section::output_address):
3255         Use output section data maps to speed up searching.
3256         (Output_section::find_starting_output_address): Add comments.
3257         (Output_section::do_write,
3258         Output_section::write_to_postprocessing_buffer): Do code-fill
3259         generation as appropriate.
3260         (Output_section::get_input_sections): Invalidate relaxed input section
3261         map.
3262         (Output_section::restore_states): Adjust type of checkpoint .
3263         Invalidate relaxed input section map.
3264         * output.h (Output_merge_base): New class declaration.
3265         (Input_section_specifier): New class defintion.
3266         (class Output_relaxed_input_section) Change base class to
3267         Output_section_data_build.
3268         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3269         base class initializer.
3270         (Output_section::add_relaxed_input_section): New method declaration.
3271         (Output_section::Input_section): Change visibility to protected.
3272         (Output_section::Input_section::relobj,
3273         Output_section::Input_section::shndx): Handle relaxed input sections.
3274         Output_section::input_sections) Change visibility to protected.  Also
3275         define overload to return a non-const pointer.
3276         (Output_section::Merge_section_properties): New class defintion.
3277         (Output_section::Merge_section_by_properties_map,
3278         Output_section::Output_section_data_by_input_section_map,
3279         Output_section::Relaxation_map): New types.
3280         (Output_section::relax_input_section): Rename method to
3281         Output_section::convert_input_sections_to_relaxed_sections and change
3282         interface to take a vector of relaxed section pointers.
3283         (Output_section::find_merge_section,
3284         Output_section::find_relaxed_input_section,
3285         Output_section::build_relaxation_map,
3286         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3287         New method declarations.
3288         (Output_section::merge_section_map_
3289         Output_section::merge_section_by_properties_map_,
3290         Output_section::relaxed_input_section_map_,
3291         Output_section::is_relaxed_input_section_map_valid_,
3292         Output_section::generate_code_fills_at_write_): New data members.
3293         * script-sections.cc
3294         (Output_section_element_input::set_section_addresses): Call
3295         current_data_size and addralign methods of relaxed input sections.
3296         (Orphan_output_section::set_section_addresses): Call current_data_size
3297         and addralign methods of relaxed input sections.
3298         * symtab.cc (Symbol_table::compute_final_value): Extract template
3299         from the body of Symbol_table::sized_finalize_symbol.
3300         (Symbol_table::sized_finalized_symbol): Call
3301         Symbol_table::compute_final_value.
3302         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3303         (Symbol_table::compute_final_value): New templated method declaration.
3304         * target.cc (Target::do_make_output_section): New method defintion.
3305         * target.h (Target::make_output_section): New method declaration.
3306         (Target::relax): Add more parameters for input objects, symbol table
3307         and layout.  Adjust call to do_relax.
3308         (Target::do_make_output_section): New method declaration.
3309         (Target::do_relax): Add parameters for input objects, symbol table
3310         and layout.
3312 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3314         * pread.c: Include stdio.h.
3316 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3318         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3319         defined.
3321 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3323         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3324         Change read_shndx type to unsigned int.
3325         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3326         int.
3327         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3328         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3329         Change read_shndx type to unsigned int.
3330         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3331         int.
3332         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3333         * layout.cc (Layout::create_symtab_sections): Cast the result of
3334         local_symcount * symsize to off_t in the gold_assert.
3336 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3338         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3339         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3340         R_ARM_BASE_ABS.
3341         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3342         (Arm_relocate_functions::thm_abs5): New function.
3343         (Arm_relocate_functions::abs12): New function.
3344         (Arm_relocate_functions::abs16): New function.
3345         (Arm_relocate_functions::base_abs): New function.
3346         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3347         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3348         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3349         R_ARM_BASE_ABS.
3350         (Scan::global): Likewise.
3351         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3352         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3353         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3354         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3355         R_ARM_BASE_ABS.
3357 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3359         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3360         (Arm_relocate_functions::movt_prel): New function.
3361         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3362         (Arm_relocate_functions::thm_movt_prel): New function.
3363         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3364         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3365         (Scan::global, Relocate::relocate): Likewise.
3366         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3368 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3370         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3371         Incremental_checker.
3372         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3373         unsigned int.
3374         (class Incremental_inputs_header): New class.
3375         (Incremental_inputs_header_writer): Edit comment.
3376         (Incremental_inputs_entry): New class.
3377         (Incremental_inputs_entry_writer): Edit comment.
3378         (Sized_incremental_binary::do_find_incremental_inputs_section):
3379         Add *strtab_shndx parameter, fill it.
3380         (Sized_incremental_binary::do_check_inputs): New method.
3381         (Incremental_checker::can_incrementally_link_output_file): Use
3382         Sized_incremental_binary::check_inputs.
3383         (Incremental_inputs::report_command_line): Save command line in
3384         command_line_.
3385         * incremental.h:
3386         (Incremental_binary::find_incremental_inputs_section): New
3387         method.
3388         (Incremental_binary::do_find_incremental_inputs_section): Add
3389         strtab_shndx parameter.
3390         (Incremental_binary::do_check_inputs): New pure virtual method.
3391         (Sized_incremental_binary::do_check_inputs): Declare.
3392         (Incremental_checker::Incremental_checker): Add incremental_inputs
3393         parameter, use it to initialize incremental_inputs_.
3394         (Incremental_checker::incremental_inputs_): New field.
3395         (Incremental_checker::command_line): New method.
3396         (Incremental_checker::inputs): New method.
3397         (Incremental_checker::command_line_): New field.
3399 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3401         * incremental.cc: Include <cstdarg> and "target-select.h".
3402         (vexplain_no_incremental): New function.
3403         (explain_no_incremental): New function.
3404         (Incremental_binary::error): New method.
3405         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3406         method.
3407         (make_sized_incremental_binary): New function.
3408         (open_incremental_binary): New function.
3409         (can_incrementally_link_file): Add checks if output is ELF and has
3410         inputs section.
3411         * incremental.h: Include "elfcpp_file.h" and "output.h".
3412         (Incremental_binary): New class.
3413         (Sized_incremental_binary): New class.
3414         (open_incremental_binary): Declare.
3415         * object.cc (is_elf_object): Use
3416         elfcpp::Elf_recognizer::is_elf_file.
3417         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3418         * output.h (Output_file::filesize): New method.
3420 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3422         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3423         New function.
3424         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3425         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3426         function.
3427         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3428         function.
3429         (Arm_relocate_functions::movw_abs_nc): New function.
3430         (Arm_relocate_functions::movt_abs): New function.
3431         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3432         (Arm_relocate_functions::thm_movt_abs): New function.
3433         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3434         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3435         (Scan::global): Likewise.
3436         (Relocate::relocate): Likewise.
3437         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3439 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3441         * arm.cc (Arm_relocate_functions::got_prel) New function.
3442         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3443         (Relocate::relocate): Likewise.
3444         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3446 2009-10-06  Ian Lance Taylor  <iant@google.com>
3448         * options.h (class General_options): Define
3449         split_stack_adjust_size parameter.
3450         * object.h (class Object): Add uses_split_stack_ and
3451         has_no_split_stack_ fields.  Add uses_split_stack and
3452         has_no_split_stack accessor functions.  Declare
3453         handle_split_stack_section.
3454         (class Reloc_symbol_changes): Define.
3455         (class Sized_relobj): Define Function_offsets.  Declare
3456         split_stack_adjust, split_stack_adjust_reltype, and
3457         find_functions.
3458         * object.cc (Object::handle_split_stack_section): New function.
3459         (Sized_relobj::do_layout): Call handle_split_stack_section.
3460         * dynobj.cc (Sized_dynobj::do_layout): Call
3461         handle_split_stack_section.
3462         * reloc.cc (Sized_relobj::relocate_sections): Call
3463         split_stack_adjust for executable sections in split_stack
3464         objects.  Pass reloc_map to relocate_section.
3465         (Sized_relobj::split_stack_adjust): New function.
3466         (Sized_relobj::split_stack_adjust_reltype): New function.
3467         (Sized_relobj::find_functions): New function.
3468         * target-reloc.h: Include "object.h".
3469         (relocate_section): Add reloc_symbol_changes parameter.  Change
3470         all callers.
3471         * target.h (class Target): Add calls_non_split method.  Declare
3472         do_calls_non_split virtual method.  Declare match_view and
3473         set_view_to_nop.
3474         * target.cc: Include "elfcpp.h".
3475         (Target::do_calls_non_split): New function.
3476         (Target::match_view): New function.
3477         (Target::set_view_to_nop): New function.
3478         * gold.cc (queue_middle_tasks): Give an error if mixing
3479         split-stack and non-split-stack objects with -r.
3480         * i386.cc (Target_i386::relocate_section): Add
3481         reloc_symbol_changes parameter.
3482         (Target_i386::do_calls_non_split): New function.
3483         * x86_64.cc (Target_x86_64::relocate_section): Add
3484         reloc_symbol_changes parameter.
3485         (Target_x86_64::do_calls_non_split): New function.
3486         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3487         parameter.
3488         * powerpc.cc (Target_powerpc::relocate_section): Add
3489         reloc_symbol_changes parameter.
3490         * sparc.cc (Target_sparc::relocate_section): Add
3491         reloc_symbol_changes parameter.
3492         * configure.ac: Call AM_CONDITIONAL for the default target.
3493         * configure: Rebuild.
3494         * testsuite/Makefile.am (TEST_AS): New variable.
3495         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3496         (check_DATA): Add split_i386 and split_x86_64 files.
3497         (SPLIT_DEFSYMS): Define.
3498         (split_i386_[1234n].o): New targets.
3499         (split_i386_[124]): New targets.
3500         (split_i386_[1234r].stdout): New targets.
3501         (split_x86_64_[1234n].o): New targets.
3502         (split_x86_64_[124]): New targets.
3503         (split_x86_64_[1234r].stdout): New targets.
3504         (MOSTLYCLEANFILES): Add new executables.
3505         * testsuite/split_i386.sh: New file.
3506         * testsuite/split_x86_64.sh: New file.
3507         * testsuite/split_i386_1.s: New file.
3508         * testsuite/split_i386_2.s: New file.
3509         * testsuite/split_i386_3.s: New file.
3510         * testsuite/split_i386_4.s: New file.
3511         * testsuite/split_i386_n.s: New file.
3512         * testsuite/split_x86_64_1.s: New file.
3513         * testsuite/split_x86_64_2.s: New file.
3514         * testsuite/split_x86_64_3.s: New file.
3515         * testsuite/split_x86_64_4.s: New file.
3516         * testsuite/split_x86_64_n.s: New file.
3517         * testsuite/testfile.cc (Target_test): Update relocation_section
3518         function.
3519         * testsuite/Makefile.in: Rebuild.
3521 2009-10-06  Ian Lance Taylor  <iant@google.com>
3523         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3524         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3525         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3526         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3527         the address on ldo_addrs_.
3528         (Target_i386::Relocate::fix_up_ldo): New function.
3530 2009-10-06   Rafael Espindola  <espindola@google.com>
3532         * plugin.cc (add_input_library): New.
3533         (Plugin::load): Add add_input_library to tv.
3534         (Plugin_manager::add_input_file): Add the is_lib argument.
3535         (add_input_file): Update call to Plugin_manager::add_input_file.
3536         (add_input_library): New.
3537         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3539 2009-09-30  Doug Kwan  <dougkwan@google.com>
3541         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3542         symbol and call Symbol::may_need_copy_reloc to determine if
3543         a copy reloc is needed.
3544         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3545         nocopyreloc is given in command line.
3546         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3547         given in command line.
3548         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3549         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3550         of the removed Target_i386::may_need_copy_reloc.
3551         * options.h (copyreloc): New option with default value false.
3552         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3553         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3554         instead of the removed Target_powerpc::may_need_copy_reloc.
3555         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3556         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3557         instead of the removed Target_sparc::may_need_copy_reloc.
3558         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3559         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3560         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3561         instead of the removed Target_x86_64::may_need_copy_reloc.
3563 2009-09-30  Ian Lance Taylor  <iant@google.com>
3565         * object.h (class Object): Remove target_ field, and target,
3566         sized_target, and set_target methods.
3567         (Object::sized_target): Remove.
3568         (class Sized_relobj): Update declarations.  Remove sized_target.
3569         * object.cc (Sized_relobj::setup): Remove target parameter.
3570         Change all callers.
3571         (Input_objects::add_object): Don't do anything with the target.
3572         (make_elf_sized_object): Add punconfigured parameter.  Change all
3573         callers.  Set or test parameter target.
3574         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3575         Change all callers.
3576         * parameters.cc (Parameters::set_target): Change parameter type to
3577         be non-const.
3578         (Parameters::default_target): Remove.
3579         (set_parameters_target): Change parameter type to be non-const.
3580         (parameters_force_valid_target): New function.
3581         (parameters_clear_target): New function.
3582         * parameters.h (class Parameters): Update declarations.  Remove
3583         default_target method.  Add sized_target and clear_target
3584         methods.  Change target_ to be non-const.
3585         (set_parameters_target): Update declaration.
3586         (parameters_force_valid_target): Declare.
3587         (parameters_clear_target): Declare.
3588         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3589         as NULL if we aren't searching.
3590         (Add_symbols::run): Don't check for compatible target.
3591         * fileread.cc (Input_file::open_binary): Call
3592         parameters_force_valid_target.
3593         * gold.cc (queue_middle_tasks): Likewise.
3594         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3595         set_target on object.
3596         * dynobj.h (class Sized_dynobj): Update declarations.
3597         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3598         make_elf_object returns NULL.
3599         (Archive::include_member): Don't check whether object target is
3600         compatible.
3601         * output.cc (Output_section::add_input_section): Get target from
3602         parameters.
3603         (Output_section::relax_input_section): Likewise.
3604         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3605         parameters.
3606         (Sized_relobj::do_scan_relocs): Likewise.
3607         (Sized_relobj::relocate_sections): Likewise.
3608         * resolve.cc (Symbol_table::resolve): Likewise.
3609         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3610         parameter.  Change all callers.
3611         (Symbol_table::add_from_object): Get target from parameters.
3612         (Symbol_table::add_from_relobj): Don't check object target.
3613         (Symbol_table::add_from_dynobj): Likewise.
3614         (Symbol_table::define_special_symbol): Get target from
3615         parameters.
3616         * symtab.h (class Symbol_table): Update declaration.
3617         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3618         parameter.  Change all callers.  Clear parameter target.
3619         (Binary_test): Test target here.
3620         * testsuite/object_unittest.cc (gold_testsuite): Remove
3621         target_test_pointer parameter.  Change all callers.
3622         (Object_test): Test target here.
3624 2009-09-26  Ian Lance Taylor  <iant@google.com>
3626         * testsuite/initpri1.c: Don't try to use constructor priorities if
3627         compiling with gcc before 4.3.
3629 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3631         * testsuite/retain_symbols_file_test.sh (check_present): Change
3632         output file name to retain_symbols_file_test.stdout.
3633         (check_absent): Likewise.
3635 2009-09-18  Craig Silverstein  <csilvers@google.com>
3637         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3638         * options.cc: Include <cerrno> and <fstream>.
3639         (General_options::finalize): Parse -retain-symbols-file tag.
3640         * options.h: New flag.
3641         (General_options): New method should_retain_symbol, new
3642         variable symbols_to_retain.
3643         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3644         should_retain_symbol map.
3645         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3646         * testsuite/Makefile.in: Regenerate.
3647         * testsuite/retain_symbols_file_test.sh: New file.
3649 2009-09-18  Nick Clifton  <nickc@redhat.com>
3651         * po/es.po: Updated Spanish translation.
3653 2009-09-17  Doug Kwan  <dougkwan@google.com>
3655         * debug.h (DEBUG_RELAXATION): New constant.
3656         (DEBUG_ALL): Add DEBUG_RELAXATION.
3657         (debug_string_to_enum): Add relaxation debug option.
3658         * layout.cc
3659         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3660         Layout::Relaxation_debug_check::read_sections,
3661         Layout::Relaxation_debug_check::read_sections): New method definitions.
3662         (Layout::Layout): Initialize data members
3663         record_output_section_data_from_scrips_,
3664         script_output_section_data_list_ and relaxation_debug_check_.
3665         (Layout::save_segments, Layout::restore_segments,
3666         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3667         Layout::relaxation_loop_body): New method definitions.
3668         (Layout::finalize): Support relaxation.  Move section layout code to
3669         Layout::relaxation_loop_body.
3670         (Layout::set_asection_address_from_script): Move code for orphan
3671         section placement out.
3672         (Layout::place_orphan_sections_in_script): New method definition.
3673         * layout.h (Output_segment_headers, Output_file_header):
3674         New forward class declarations.
3675         (Layout::~Layout): Define.
3676         (Layout::new_output_section_data_from_script): New method definition.
3677         (Layout::place_orphan_sections_in_script): New method declaration.
3678         (Layout::Segment_states): New type declaration.
3679         (Layout::save_segments, Layout::restore_segments,
3680         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3681         Layout::relaxation_loop_body): New method declarations.
3682         (Layout::Output_section_data_list): New type declaration.
3683         (Layout::Relaxation_debug_check): New class definition.
3684         (Layout::record_output_section_data_from_script_,
3685         Layout::script_output_section_data_list_, Layout::segment_states_,
3686         Layout::relaxation_debug_check_): New data members.
3687         * output.cc: (Output_section_headers::do_size): New method definition.
3688         (Output_section_headers::Output_section_headers): Move size
3689         computation to Output_section_headers::do_size.
3690         (Output_segment_headers::do_size): New method definition.
3691         (Output_file_header::Output_file_header): Move size computation to 
3692         Output_file_header::do_size and call it.
3693         (Output_file_header::do_size): New method definition.
3694         (Output_data_group::Output_data_group): Adjust call to
3695         Output_section_data.
3696         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3697         (Output_symtab_xindex::do_write): Add array bound check.
3698         (Output_section::Input_section::print_to_mapfile): Handle
3699         RELAXED_INPUT_SECTION_CODE.
3700         (Output_section::Output_section): Initialize data member checkpoint_.
3701         (Output_section::~Output_section): Delete checkpoint object pointed
3702         by checkpoint_.
3703         (Output_section::add_input_section): Always add an Input_section if
3704         relaxing.
3705         (Output_section::add_merge_input_section): Add assert.
3706         (Output_section::relax_input_section): New method definition.
3707         (Output_section::set_final_data_size): Set load address to zero for
3708         an unallocated section.
3709         (Output_section::do_address_and_file_offset_have_reset_values):
3710         New method definition.
3711         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3712         Handle relaxed input section.
3713         (Output_section::sort_attached_input_sections): Checkpoint input
3714         section list lazily.
3715         (Output_section::get_input_sections): Change type of input_sections to
3716         list of Simple_input_section pointers.  Checkpoint input section list
3717         lazily.  Also handle relaxed input sections.
3718         (Output_section::add_input_section_for_script): Take a reference to
3719         a Simple_input_section object instead of Relobj pointer and section
3720         index as parameter.  Handle relaxed input sections.
3721         (Output_section::save_states, Output_section::restore_states): New
3722         method definitions.
3723         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3724         (Output_data::is_data_size_fixed): New method definition.
3725         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3726         if it is fixed.
3727         (Output_data::address_and_file_offset_have_reset_values): New method
3728         definition.
3729         (Output_data::do_address_and_file_offset_have_reset_values): New method
3730         definition.
3731         (Output_data::set_data_size): Check that data size is not fixed.
3732         (Output_data::fix_data_size): New method definition.
3733         (Output_data::is_data_size_fixed_): New data member.
3734         (Output_section_headers::set_final_data_size): New method definition.
3735         (Output_section_headers::do_size): New method declaration.
3736         (Output_segment_headers::set_final_data_size): New method definition.
3737         (Output_segment_headers::do_size): New method declaration.
3738         (Output_file_header::set_final_data_size)::New method definition.
3739         (Output_file_header::do_size)::New method declaration.
3740         (Output_section_data::Output_section_data): Add new parameter
3741         is_data_size_fixed and use it to fix data size.
3742         (Output_data_const::Output_data_const): Adjust call to base class
3743         constructor and fix data size.
3744         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3745         base class constructor and fix data size.
3746         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3747         base class constructor and fix data size.
3748         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3749         class constructor and fix data size.
3750         (Output_data_group::set_final_data_size): New method definition.
3751         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3752         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3753         class constructor and fix data size.
3754         (Output_relaxed_input_section): New class definition.
3755         (Output_section::Simple_input_section): New class definition.
3756         (Output_section::get_input_sections): Adjust parameter list.
3757         (Output_section::add_input_section_for_script): Same.
3758         (Output_section::save_states, Output_section::restore_states,
3759         Output_section::do_address_and_file_offset_have_reset_values,
3760         (Output_section::Input_section::Input_section): Handle
3761         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3762         Output_relaxed_input_section.
3763         (Output_section::Input_section::is_input_section,
3764         Output_section::Input_section::set_output_section): Handle relaxed
3765         input section.
3766         (Output_section::Input_section::is_relaxed_input_section,
3767         Output_section::Input_section::output_section_data,
3768         Output_section::Input_section::relaxed_input_section): New method
3769         definitions.
3770         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3771         value.
3772         (Output_section::Input_section::u1_): Update comments.
3773         (Output_section::Input_section::u2_): Add new union member poris.
3774         (Output_section::Checkpoint_output_section): New classs definition.
3775         (Output_section::relax_input_section): New method declaration.
3776         (Output_section::checkpoint_): New data member.
3777         (Output_segment): Update comments.
3778         (Output_segment::Output_segment): Un-privatize copy constructor.
3779         (Output_segment::operator=): Un-privatize.
3780         * script-sections.cc (Output_section_element::Input_section_list):
3781         Change element type to Output_section::Simple_input_section.
3782         (Output_section_element_dot_assignment::set_section_addresses):
3783         Register output section data for relaxation clean up.
3784         (Output_data_exression::Output_data_expression): Adjust call to base
3785         constructor to fix data size.
3786         (Output_section_element_data::set_section_addresses): Register
3787         Output_data_expression object for relaxation clean up.
3788         (struct Input_section_info): Replace Relobj pointer and section index
3789         pair with Output_section::Simple_input_section and Convert struct to a
3790         class.
3791         (Input_section_sorter::operator()): Adjust access to
3792         Input_section_info data member to use accessors. 
3793         (Output_section_element_input::set_section_addresses): Use layout
3794         parameter.  Adjust code to use Output_section::Simple_input_section
3795         and Input_secction_info classes.  Register filler for relaxation
3796         clean up.
3797         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3798         and section index pair with Output_section::Simple_input_section
3799         class.  Adjust code accordingly.
3800         (Phdrs_element::release_segment): New method definition.
3801         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3802         segment list.
3803         (Script_sections::release_segments): New method definition.
3804         * gold/script-sections.h (Script_sections::release_segments): New
3805         method declaration.
3806         * gold/target.h (Target::may_relax, Target::relax,
3807         Target::do_may_relax, Target::do_relax): New method definitions.
3809 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3811         * arm.cc (has_signed_unsigned_overflow): New function.
3812         (Arm_relocate_functions::abs8): New function.
3813         (Target_arm::Scan::local): Handle R_ARM_ABS8.
3814         (Target_arm::Scan::global): Likewise.
3815         (Target_arm::relocate::relocate): Likewise.
3816         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3817         Likewise.
3819 2009-09-16  Cary Coutant  <ccoutant@google.com>
3821         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3822         * testsuite/Makefile.in: Regenerate.
3824 2009-09-11  Nick Clifton  <nickc@redhat.com>
3826         * po/gold.pot: Updated by the Translation project.
3828 2009-09-08  Cary Coutant  <ccoutant@google.com>
3830         * output.cc (Output_file::open): Add execute permission to empty file.
3831         * testsuite/Makefile.am (permission_test): New test.
3832         * testsuite/Makefile.in: Regenerate.
3834 2009-09-02  Ian Lance Taylor  <iant@google.com>
3836         * output.cc (Output_file::resize): Call map_no_anonymous rather
3837         than map.
3839 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
3841         * gold.cc: Include "incremental.h".
3842         (queue_initial_tasks): Call Incremental_checker methods.
3843         * incremental.cc: Include "output.h".
3844         (Incremental_checker::can_incrementally_link_output_file): New
3845         method.
3846         * incremental.h (Incremental_checker): New class.
3848         * output.cc (Output_file::open_for_modification): New method.
3849         (Output_file::map_anonymous): Changed return type to bool.  Record
3850         map in base_ field.
3851         (Output_file::map_no_anonymous): New method, broken out of map.
3852         (Output_file::map): Use map_no_anonymous and map_anonymous.
3853         * output.h (class Output_file): Update declarations.
3855 2009-08-24  Cary Coutant  <ccoutant@google.com>
3857         * options.h (Command_line::Pre_options): New class.
3858         (Command_line::pre_options): New member.
3859         * options.cc (gold::options::ready_to_register): New variable.
3860         (One_option::register_option): Do nothing if not registering options.
3861         Assert if same short option registered twice.
3862         (General_options::General_options): Turn off option registration when
3863         done constructing.
3864         (Command_line::Pre_options::Pre_options): New constructor.
3866 2009-08-24  Cary Coutant  <ccoutant@google.com>
3868         * options.h (General_options::no_keep_memory): Remove incorrect
3869         short option.
3871 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3873         * Makefile.am (am__skiplex, am__skipyacc): New.
3874         * Makefile.in: Regenerate.
3876 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3878         * Makefile.am (AM_CPPFLAGS): Renamed from ...
3879         (INCLUDES): ... this.
3880         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3881         (AM_CPPFLAGS): Renamed from ...
3882         (INCLUDE): ... this.
3883         * Makefile.in, testsuite/Makefile.in: Regenerate.
3885         * Makefile.in: Regenerate.
3886         * aclocal.m4: Likewise.
3887         * config.in: Likewise.
3888         * configure: Likewise.
3889         * testsuite/Makefile.in: Likewise.
3891         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3892         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3893         * Makefile.in: Regenerate.
3894         * testsuite/Makefile.in: Regenerate.
3896 2009-08-19  Cary Coutant  <ccoutant@google.com>
3898         * resolve.cc (Symbol_table::resolve): Don't complain about defined
3899         symbols in shared libraries overridden by hidden or internal symbols
3900         in the main program.
3902 2009-08-19  Chris Demetriou  <cgd@google.com>
3904         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3905         checking source file names in error messages.
3907 2009-08-18  Doug Kwan  <dougkwan@google.com>
3909         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3910         an elcpp::Ehdr as parameter.  Adjust call to set_target.
3911         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3912         an elfcpp::Ehdr as parameter.
3913         * object.cc (Object::set_target): Remove the version that looks up
3914         a target and sets it.
3915         (Sized_relobj::setup): Take a Target object instead of
3916         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3917         (make_elf_sized_object): Find target and ask target to
3918         make an ELF object.
3919         * object.h: (Object::set_target): Remove the version that looks up
3920         a target and sets it.
3921         (Sized_relobj::setup): Take a Target object instead of
3922         an elfcpp:Ehdr as parameter.
3923         * target.cc: Include dynobj.h.
3924         (Target::do_make_elf_object_implementation): New.
3925         (Target::do_make_elf_object): New.
3926         * target.h (Target::make_elf_object): New template declaration.
3927         (Target::do_make_elf_object): New method declarations.
3928         (Target::do_make_elf_object_implementation): New template declaration.
3930 2009-08-14  Ian Lance Taylor  <iant@google.com>
3932         * gold.h (FUNCTION_NAME): Define.
3933         (gold_unreachable): Use FUNCTION_NAME.
3935 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3937         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3938         symbol in the --keep-unique list is not found.
3940 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3942         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3943         been maked as --keep-unique.
3944         (Icf::unfold_section): New function.
3945         * icf.h (Icf::unfold_section): New function.
3946         * options.h (General_options::keep_unique): New option.
3947         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3948         * testsuite/Makefile.in: Regenerate.
3949         * testsuite/icf_keep_unique_test.sh: New file.
3950         * testsuite/icf_keep_unique_test.cc: New file.
3952 2009-08-12  Cary Coutant  <ccoutant@google.com>
3954         PR 10471
3955         * resolve.cc (Symbol_table::resolve): Check for references from
3956         dynamic objects to hidden and internal symbols.
3957         * testsuite/Makefile.am (hidden_test.sh): New test.
3958         * testsuite/Makefile.in: Regenerate.
3959         * testsuite/hidden_test.sh: New script.
3960         * testsuite/hidden_test_1.c: New test source.
3961         * testsuite/hidden_test_main.c: New test source.
3963 2009-08-11  Doug Kwan  <dougkwan@google.com>
3965         * arm.cc: Update comments.
3966         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3967         segment to locate the .ARM.exidx section if present.
3969 2009-08-09  Doug Kwan  <dougkwan@google.com>
3971         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3972         patch.
3974 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3975         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3976         compiler warnings.
3978 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
3980         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3981         valid tls_segment only for non-debug-section relocations.
3982         * testsuite/Makefile.am: Add gc_tls_test.
3983         * testsuite/Makefile.in: Regenerate.
3984         * testsuite/gc_tls_test.cc: New file.
3985         * testsuite/gc_tls_test.sh: New file.
3987 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
3988         
3989         * icf.cc: New file.
3990         * icf.h: New file.
3991         * Makefile.am (CCFILES): Add icf.cc.
3992         (HFILES): Add icf.h
3993         * Makefile.in: Regenerate.
3994         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3995         * gc.h (gc_process_relocs): Populate lists used by icf to contain
3996         section, symbol and addend information for the relocs.
3997         * gold.cc (queue_middle_tasks): Call identical code folding.
3998         * gold.h: Add defines for multimap.
3999         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4000         to the call of finalize_local_symbols.
4001         * main.cc (main): Create object of class Icf.
4002         * object.cc (Sized_relobj::do_layout): Allow this function to be
4003         called twice during icf.
4004         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4005         to sections marked as identical by icf.
4006         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4007         when available.
4008         (Sized_relobj::do_section_entsize): New function.
4009         * object.h (Object::section_entsize): New function.
4010         (Object::do_section_entsize): New pure virtual function.
4011         (Relobj::finalize_local_symbols): Add new parameter.
4012         (Relobj::do_section_entsize): New function.
4013         * options.h (General_options::icf): New option.
4014         (General_options::icf_iterations): New option.
4015         (General_options::print_icf_sections): New option.
4016         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4017         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4018         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4019         icf.
4020         * symtab.cc (Symbol_table::is_section_folded): New function.
4021         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4022         to sections marked as identical by icf.
4023         * symtab.h (Symbol_table::set_icf): New function.
4024         (Symbol_table::icf): New function.
4025         (Symbol_table::is_section_folded): New function.
4026         (Symbol_table::icf_): New data member.
4027         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4028         * testsuite/Makefile.am: Add commands to build icf_test.
4029         * testsuite/Makefile.in: Regenerate.
4030         * testsuite/icf_test.sh: New file.
4031         * testsuite/icf_test.cc: New file.
4033 2009-07-24  Chris Demetriou  <cgd@google.com>
4035         * layout.cc (is_compressible_debug_section): Fix incorrect
4036         comment about compressed section names.
4038 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4040         PR 10419
4041         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4043 2009-07-16  Ian Lance Taylor  <iant@google.com>
4045         PR 10400
4046         * layout.h: #include <map>.
4047         (class Kept_section): Change from struct to class.  Add accessors
4048         and setters.  Add section size to Comdat_group mapping.  Change
4049         Comdat_group to std::map.  Add is_comdat_ field.  Add
4050         linkonce_size field in union.
4051         (class Layout): Update declaration of find_or_add_kept_section.
4052         Don't declare find_kept_object.
4053         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4054         parameter.  Add object, shndx, is_comdat, and is_group_name
4055         parameters.  Change all callers.  Adjust for new Kept_section.
4056         (Layout::find_kept_object): Remove.
4057         * object.cc (Sized_relobj::include_section_group): Update use of
4058         Kept_section.  Rename secnum to shndx.  Only record
4059         Kept_comdat_section if sections are the same size.
4060         (Sized_relobj::include_linkonce_section): Update use of
4061         Kept_section.  Only record Kept_comdat_section if sections are the
4062         same size.  Set size of linkonce section.
4063         (Sized_relobj::map_to_kept_section): Update call to
4064         get_kept_comdat_section.
4065         * object.h (class Sized_relobj): Rename fields in
4066         Kept_comdat_section to drop trailing underscores; change object
4067         field to Relobj*.  Change Kept_comdat_section_table to store
4068         struct rather than pointer.
4069         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4070         Add kept_object and kept_shndx parameters.  Change all callers.
4071         (Sized_relobj::get_kept_comdat_section): Change return type to
4072         bool.  Add kept_object and kept_shndx parameters.  Change all
4073         callers.
4074         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4075         Layout::find_or_add_kept_section.
4077 2009-07-09  Ian Lance Taylor  <iant@google.com>
4079         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4080         Reserve space in the hash table.
4082 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4084         * fileread.cc (File_read::get_mtime): New method.
4085         * fileread.h (Timespec): New structure.
4086         (File_read::get_mtime): New method.
4087         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4088         Renamed from timestamp_nsec.
4089         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4090         Elf_Xword.
4091         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4092         timestamp_nsec.
4093         (Incremental_inputs::report_archive): Save mtime; style fix. 
4094         (Incremental_inputs::report_obejct): Save mtime; style fix.
4095         (Incremental_inputs::report_script): Save mtime; style fix.
4096         (Incremental_inputs::finalize_inputs): Style fix.
4097         (Incremental_inputs::finalize): Style fix.
4098         (Incremental_inputs::create_input_section_data): Store inputs
4099         mtime.
4100         * incremental.h (Incremental_inputs::report_script): Add mtime
4101         argument.
4102         (Incremental_inputs::Input_info::Input_info): Intialize only one
4103         union member.
4104         (Incremental_inputs::Input_info::archive): Move to nameless
4105         union.
4106         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4107         (Incremental_inputs::Input_info::script): Move to nameless union.
4108         (Incremental_inputs::mtime): New field.
4109         * script.cc (read_input_script): Pass file mtime to
4110         Incremental_input.
4111         * script.h (Script_info::inputs): Style fix.
4113 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4115         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4116         instead of 32.
4118 2009-06-24  Ian Lance Taylor  <iant@google.com>
4120         PR 10156
4121         * layout.cc (Layout::choose_output_section): If we find an
4122         existing section, update the flags.
4123         (Layout::create_notes): New function, broken out of
4124         Layout::finalize.
4125         (Layout::finalize): Don't create note sections.
4126         (Layout::create_note): Don't crash if linker script discards
4127         section.
4128         (Layout::create_gold_note): Likewise.
4129         (Layout::create_build_id): Likewise.  Don't set
4130         after_input_sections on the section.
4131         (Layout::create_executable_stack_info): Remove target parameter.
4132         Change caller.
4133         * layout.h (class Layout): Declare create_notes.  Update
4134         declaration of create_executable_stack_info.
4135         * gold.cc (queue_middle_tasks): Call create_notes.
4136         * output.cc (Output_section::update_flags_for_input_section): Move
4137         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4138         invalid.
4139         * output.h (Output_data::mark_address_invalid): New function.
4140         (class Output_section): Only declare, not define,
4141         update_flags_for_input_section.  Remove set_flags.
4143 2009-06-24  Ian Lance Taylor  <iant@google.com>
4145         * script-sections.cc (Output_section_definition::
4146         set_section_addresses): Rename shadowing local load_address to
4147         laddr.
4149 2009-06-24  Ian Lance Taylor  <iant@google.com>
4151         PR 10244
4152         * reloc.cc (relocate_sections): Skip empty relocation sections.
4154 2009-06-23  Ian Lance Taylor  <iant@google.com>
4156         PR 10156
4157         * layout.cc (Layout::create_note): Use choose_output_section
4158         rather than make_output_section.
4160 2009-06-23  Ian Lance Taylor  <iant@google.com>
4162         PR 10237
4163         * options.cc (General_options::parse_V): Set printed_version_.
4164         (General_options::General_options): Initialize printed_version_.
4165         * options.h (class General_options): Add printed_version_ field.
4166         * gold.cc (queue_initial_tasks): If there are no input files,
4167         don't give a fatal error if we printed the version information.
4168         (queue_middle_tasks): If using -r with a shared object, give a
4169         fatal error rather than an ordinary error.
4171 2009-06-23  Ian Lance Taylor  <iant@google.com>
4173         PR 10219
4174         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4175         (Layout::make_output_section): Set have_stabstr_section_ if we see
4176         a .stab*str section.
4177         (Layout::finalize): Call link_stabs_sections.
4178         (Layout::link_stabs_sections): New file.
4179         * layout.h (class Layout): Add have_stabstr_section_ field.
4180         Declare link_stabs_sections.
4182 2009-06-23  Doug Kwan  <dougkwan@google.com>
4184         * Makefile.am (libgold_a_LIBADD): New.
4185         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4186         * Makefile.in: Regenerate.
4187         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4188         * configure: Regenerate.
4189         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4190         * fileread.cc: Include sys/state.h
4191         * gold.h: Declare memmem and strndup if found missing.
4192         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4194 2009-06-23  Ian Lance Taylor  <iant@google.com>
4196         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4197         * configure: Rebuild.
4199 2009-06-23  Ian Lance Taylor  <iant@google.com>
4201         PR 10147
4202         * object.cc (Object::section_contents): Don't try to get a view if
4203         the section has length zero.
4204         (Object::handle_gnu_warning_section): If the section is empty, use
4205         the name of the section as the warning.
4207 2009-06-23  Ian Lance Taylor  <iant@google.com>
4209         PR 10133
4210         * stringpool.h (class Stringpool_template): Add optimize_ field.
4211         (Stringpool_template::set_optimize): New function.
4212         * stringpool.cc (Stringpool_template::Stringpool_template):
4213         Initialize optimize_ field.
4214         (Stringpool_template::set_string_offsets): Test local optimize
4215         fild rather than parameter.
4216         * layout.cc (Layout::Layout): Call set_optimize on the section
4217         name stringpool.
4219 2009-06-22  Ian Lance Taylor  <iant@google.com>
4221         PR 10030
4222         * yyscript.y: Parse TARGET.
4223         * script.cc (script_set_target): New function.
4224         * script-c.h (script_set_target): Declare.
4225         * options.cc (General_options::string_to_object_format): Rename
4226         from string_to_object_format in anonymous namespace.  Change
4227         callers.
4228         * options.h (class General_options): Declare
4229         string_to_object_format.
4231 2009-06-22  Ian Lance Taylor  <iant@google.com>
4233         * script-sections.cc (Script_sections::create_segments): Don't put
4234         program headers in a PT_LOAD segment if -n or -N.
4236 2009-06-22  Ian Lance Taylor  <iant@google.com>
4238         PR 10141
4239         * options.h (class General_options): Add -z lazy and -z now.  Sort
4240         -z options into alphabetical order.
4241         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4243 2009-06-21  Ian Lance Taylor  <iant@google.com>
4245         * layout.cc (Layout::make_output_section): Call
4246         Target::new_output_section.
4247         (Layout::attach_allocated_section_to_segment): Put large section
4248         sections in a separate load segment with the large segment flag
4249         set.
4250         (Layout::segment_precedes): Sort large data segments after other
4251         load segments.
4252         (align_file_offset): New static function.
4253         (Layout::set_segment_offsets): Use align_file_offset.
4254         * output.h (class Output_section): Add is_small_section_ and
4255         is_large_section_ fields.
4256         (Output_section::is_small_section): New function.
4257         (Output_section::set_is_small_section):  New function.
4258         (Output_section::is_large_section): New function.
4259         (Output_section::set_is_large_section): New function.
4260         (Output_section::is_large_data_section): New function.
4261         (class Output_segment): Add is_large_data_segment_ field.
4262         (Output_segment::is_large_data_segment): New function.
4263         (Output_segment::set_is_large_data_segment): New function.
4264         * output.cc (Output_section::Output_section): Initialize new
4265         fields.
4266         (Output_segment::Output_segment): Likewise.
4267         (Output_segment::add_output_section): Add assertion that large
4268         data sections always go in large data segments.  Force small data
4269         sections to the end of the list of data sections.  Force small BSS
4270         sections to the start of the list of BSS sections.  For large BSS
4271         sections to the end of the list of BSS sections.
4272         * symtab.h (class Symbol): Declare is_common_shndx.
4273         (Symbol::is_defined): Check Symbol::is_common_shndx.
4274         (Symbol::is_common): Likewise.
4275         (class Symbol_table): Define enum Commons_section_type.  Update
4276         declarations.  Add small_commons_ and large_commons_ fields.
4277         * symtab.cc (Symbol::is_common_shndx): New function.
4278         (Symbol_table::Symbol_table): Initialize new fields.
4279         (Symbol_table::add_from_object): Put small and large common
4280         symbols in the right list.
4281         (Symbol_table::sized_finalized_symbol): Check
4282         Symbol::is_common_shndx.
4283         (Symbol_table::sized_write_globals): Likewise.
4284         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4285         common symbol lists.  Don't call do_allocate_commons_list if the
4286         list is empty.
4287         (Symbol_table::do_allocate_commons_list): Remove is_tls
4288         parameter.  Add comons_section_type parameter.  Change all
4289         callers.  Handle small and large common symbols.
4290         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4291         Symbol::is_common_shndx.
4292         * resolve.cc (symbol_to_bits): Likewise.
4293         * target.h (Target::small_common_shndx): New function.
4294         (Target::small_common_section_flags): New function.
4295         (Target::large_common_shndx): New function.
4296         (Target::large_common_section_flags): New function.
4297         (Target::new_output_section): New function.
4298         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4299         small_common_section_flags, and large_common_section_flags
4300         fields.
4301         (Target::do_new_output_section): New virtual function.
4302         * arm.cc (Target_arm::arm_info): Initialize new fields.
4303         * i386.cc (Target_i386::i386_info): Likewise.
4304         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4305         Likewise.
4306         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4307         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4308         (Target_x86_64::do_new_output_section): New function.
4309         * configure.ac: Define conditional MCMODEL_MEDIUM.
4310         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4311         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4312         (large_LDFLAGS): Define.
4313         * testsuite/large.c: New file.
4314         * testsuite/testfile.cc (Target_test::test_target_info):
4315         Initialize new fields.
4316         * configure, testsuite/Makefile.in: Rebuild.
4318 2009-06-05  Doug Kwan  <dougkwan@google.com>
4320         * Makefile.am (CCFILES): Add target.cc.
4321         * Makefile.in: Regenerate. 
4322         * i386.cc (class Target_i386): Define new virtual method to
4323         override do_is_local_label_name in parent.
4324         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4325         local symbols if --discard-locals or -X is given.
4326         * options.h (class General_options): Declare new options
4327         '--discard-locals' and '-X' for discarding locals.
4328         * target.h (class Target): Define new methods is_local_label_name.
4329         Declare new virtual method do_is_local_label_name.
4330         * target.cc: New file.
4331         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4332         (check_SCRIPTS): Add discard_locals_test.sh.
4333         (check_DATA): Add discard_local_tests.syms.
4334         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4335         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4336         * testsuite/Makefile.in: Regenerate.
4337         * testsuite/discard_locals_test.c: New file.
4338         * testsuite/discard_locals_test.sh: Same.
4340 2009-06-05  Doug Kwan  <dougkwan@google.com>
4342         * object.cc (Sized_relobj::Sized_relobj): Initialize
4343         discarded_eh_frame_shndx_ to -1U.
4344         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4345         section.
4346         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4347         a discarded .eh_frame section.
4348         (Sized_relobj::do_finalize_local_symbols): Ditto.
4349         * object.h (class Sized_relobj): Declare new member
4350         discarded_eh_frame_shndx_.
4351         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4352         (local_labels_test.o, local_labels_test): New rules.
4353         * testsuite/Makefile.in: Regenerate.
4355 2009-06-04  Doug Kwan  <dougkwan@google.com>
4357         * layout.cc (Layout::section_name_mapping): Add mapping for
4358         special ARM sections.
4360 2009-06-03  Doug Kwan  <dougkwan@google.com>
4362         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4363         (utils::has_overflow): Same.
4365 2009-06-03  Ian Lance Taylor  <iant@google.com>
4367         * layout.cc (Layout::section_name_mapping): New array, replacing
4368         Layout::linkonce_mapping.
4369         (Layout::section_name_mapping_count): New variable, replacing
4370         Layout::linkonce_mapping_count.
4371         (Layout::linkonce_output_name): Remove.
4372         (Layout::output_section_name): Rewrite.
4373         * layout.h (class Layout): Rename Linkonce_mapping to
4374         Section_name_mapping, linkonce_mapping to section_name_mapping,
4375         linkonce_mapping_count to section_name_mapping_count.  Don't
4376         declare linkonce_output_name.
4378 2009-06-03  Doug Kwan  <dougkwan@google.com>
4380         * gold/arm.cc (namespace utils): New.
4381         (Target_arm::reloc_is_non_pic): Define new method.
4382         (class Arm_relocate_functions): New.
4383         (Target_arm::Relocate::relocate): Handle relocation types used by
4384         Android.
4386 2009-06-03  Ian Lance Taylor  <iant@google.com>
4388         * arm.cc (Target_arm::scan::global): Use || instead of |.
4390 2009-06-02  Doug Kwan  <dougkwan@google.com>
4392         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4393         issued_non_pic_error_.
4394         (class Target_arm::Scan): Declare new method check_non_pic.
4395         Define new method symbol_needs_plt_entry.
4396         Declare new data member issued_non_pic_error_.
4397         (class Target_arm::Relocate): Declare new method
4398         should_apply_static_reloc.
4399         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4400         (Target_arm::Scan::check_non_pic): Define new method.
4401         (Target_arm::Scan::local): Handle a small subset of reloc types used
4402         by Android.
4403         (Target_arm::Scan::local): Same.
4404         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4406 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4408         * incremental.cc (Incremental_inputs::report_command_line): Filter
4409         out --incremental-* options.
4411 2009-05-29  Doug Kwan  <dougkwan@google.com>
4413         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4414         template class.
4415         (class Target_arm): Update comment.
4416         (Target_arm::Target_arm): Initialize new data members GOT_,
4417         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4418         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4419         and Target_arm::rel_dyn_section.
4420         Declare new_enum Target_arm::Got_type.
4421         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4422         and DYNBSS_.
4423         Update commments for member do_dynsym_value.
4424         (Target_arm::got_size, Target_arm::plt_section,
4425         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4426         new methods inside class defintion.
4427         (Target_arm::got_section): Define new method.
4428         (Target_arm::rel_dyn_section): Same.
4429         (Output_data_plt_arm): New template class.
4430         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4431         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4432         (Output_data_plt_arm::add_entry): Same.
4433         (Output_data_plt_arm::first_plt_entry): Define new
4434         static data member for PLT instruction template.
4435         (Output_data_plt_arm::plt_entry): Same.
4436         (Output_data_plt_arm::do_write): Define new method.
4437         (Target_arm::make_plt_entry): Same.
4438         (Target_arm::do_finalize_sections): Same.
4439         (Target_arm::do_dynsym_value): Same.
4441 2009-05-28  Doug Kwan  <dougkwan@google.com>
4443         * Makefile.am (TARGETSOURCES): Add arm.cc.
4444         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4445         * Makefile.in: Regenerate.
4446         * arm.cc: New file.
4447         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4449 2009-05-26  Doug Kwan  <dougkwan@google.com>
4451         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4452         (General_options::check_excluded_libs): Strip off directories in
4453         archive name before matching like GNU ld does.
4454         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4455         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4456         (exclude_libs_test_LDFLAGS): Add linker option
4457         -Wl,--exclude-libs,libexclude_libs_test_3
4458         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4459         an explicit archive without using -l.
4460         (alt/libexclude_libs_test_3.a): New make rule.
4461         * testsuite/Makefile.in: Regenerate.
4462         * testsuite/exclude_libs_test.c : Declare lib3_default().
4463         (main): Call it.
4464         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4465         * exclude_libs_test_3.c: New file.
4467 2009-05-26  Nick Clifton  <nickc@redhat.com>
4469         * po/id.po: New Indonesian translation.
4470         * po/gold.pot: Updated template file.
4472 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4474         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4475         gc_comdat_test files.  Add -Wl,--gc-sections to build
4476         gc_comdat_test.
4477         * testsuite/Makefile.in: Regenerate.
4478         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4480 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4482         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4483         kept comdat section was garbage collected.
4484         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4485         * testsuite/Makefile.in: Regenerate.
4486         * testsuite/gc_comdat_test.sh: New file.
4487         * testsuite/gc_comdat_test_1.cc: New file.
4488         * testsuite/gc_comdat_test_2.cc: New file.
4490 2009-05-19  Doug Kwan  <dougkwan@google.com>
4492         * archive.cc (Archive::Archive): Move constructor from archive.h
4493         to here.  Initialize no_export_.
4494         (Archive::get_elf_object_for_member): Set no_export flag of object.
4495         * archive.h (Archive::Archive): Move constructor body to
4496         archive.cc.
4497         (Archive::no_export): New method.
4498         (Archive::no_export_): New field.
4499         * object.h (Object::Object): Initialize no_export_ to false.
4500         (Object::no_export, Object::set_no_export): New methods.
4501         (Object::no_export_): New field.
4502         * options.cc (General_options::parse_exclude_libs): New method.
4503         (General_options::check_excluded_libs) Same.
4504         * options.h (exclude_libs): New option.
4505         (General_options::check_excluded_libs): New method declaration.
4506         (General_options::excluded_libs_): New field.
4507         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4508         default or protected visibility if an object has no-export flag set.
4509         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4510         (check_SCRIPTS): Add exclude_libs_test.sh.
4511         (check_DATA): Add exclude_libs_test.syms.
4512         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4513         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4514         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4515         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4516         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4517         libexclude_libs_test_2.a): New rules.
4518         * testsuite/Makefile.in: Regenerate.
4519         * testsuite/exclude_libs_test.c: New file.
4520         * testsuite/exclude_libs_test.sh: Ditto.
4521         * testsuite/exclude_libs_test_1.c: Ditto.
4522         * testsuite/exclude_libs_test_2.c: Ditto.
4524 2009-05-15  Ian Lance Taylor  <iant@google.com>
4526         * configure.ac: Check for declarations for cases where libiberty.h
4527         checks HAVE_DECL_xxx.
4528         * configure, config.in: Rebuild.
4530 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4532         * gold.h (Incremental_argument_list): Remove (invalid) forward
4533         declaration.
4534         * incremental.cc (Incremental_inputs::report_achive): New method.
4535         (Incremental_inputs::report_object): New method.
4536         (Incremental_inputs::report_script): New method.
4537         (Incremental_inputs::finalize_inputs): New method.
4538         (Incremental_inputs::finalize): Call finalize_inputs().
4539         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4540         Create inputs entries.
4541         * incremental.h (Incremental_input_type): New enum.
4542         (Incremental_inputs::Incremental_input): Initialize new fields.
4543         (Incremental_inputs::report_inputs): New method.
4544         (Incremental_inputs::report_achive): New method.
4545         (Incremental_inputs::report_object): New method.
4546         (Incremental_inputs::report_script): New method.
4547         (Incremental_inputs::finalize_inputs): New method.
4548         (Incremental_inputs::Input_info): New struct.
4549         (Incremental_inputs::Input_info_map): New typedef.
4550         (Incremental_inputs::lock_): New field.
4551         (Incremental_inputs::Inputs_): New field.
4552         (Incremental_inputs::Inputs_map): New field.
4553         * main.cc (main): Call Incremental_input::report_inputs.
4554         * options.h (Input_argument_list): Typedef moved from
4555         Input_arguments.
4556         (Input_file_group::Files): Remove, use ::Input_argument_list.
4557         (Input_file_group::Input_argument_list): Remove, use
4558         ::Input_argument_list.
4559         * plugin.cc (Plugin_manager::add_input_file): Add error in
4560         incremental build.
4561         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4562         functions.
4563         * script.cc (read_input_script): Call
4564         Incremental_input::report_script.
4565         * script.h (Script_info): New class.
4567 2009-04-27  Ian Lance Taylor  <iant@google.com>
4569         * x86_64.cc (do_adjust_output_section): Set entsize to
4570         plt_entry_size.
4572 2009-04-23  Elliott Hughes  <enh@google.com>
4574         * output.cc (Output_file::close): After short writes, continue
4575         writing from the correct offset in the buffer being written.
4577 2009-04-23  Chris Demetriou  <cgd@google.com>
4579         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4580         * configure: Regenerate.
4581         * config.in: Regenerate.
4582         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4583         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4585 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4587         * incremental.cc (Incremental_inputs_header_data): Renamed from
4588         Incremental_input_header_data.
4589         (Incremental_inputs_header_data::data_size): New field.
4590         (Incremental_inputs_header_data::put_input_file_count): Renamed
4591         from input_file_count.
4592         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4593         from command_line_offset.
4594         (Incremental_inputs_header_data::put_reserved): Renamed from
4595         put_reserved.
4596         (Incremental_inputs_entry_data): Renamed from
4597         Incremental_input_entry_data.
4598         (Incremental_inputs_entry_data::data_size): New field.
4599         (Incremental_inputs::report_command_line): New method.
4600         (Incremental_inputs::finalize): New method.
4601         (Incremental_inputs::create_incremental_inputs_data): New method.
4602         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4603         * incremental.h: New file.
4604         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4605        (Layout::finalize): Create incremental inputs section in
4606         incremental builds.
4607        (Layout::create_incremental_info_sections): New method.
4608         * layout.h (Layout::incremental_inputs): New method.
4609        (Layout::create_incremental_info_sections): New method.
4610        (Layout::incremental_inputs_): New field.
4611         * main.cc (main): Notify Incremental_input of the command line.
4613 2009-04-01  Ian Lance Taylor  <iant@google.com>
4614             Mikolaj Zalewski  <mikolajz@google.com>
4616         * gold.h (reserve_unordered_map): Define, three versions, one for
4617         each version of Unordered_map.
4618         * layout.cc (Layout::Layout): Remove options parameter.  Add
4619         number_of_input_files parameter.  Don't initialize options_.
4620         Initialize number_of_input_files_ and resized_signatures_.  Move
4621         sections_are_attached_.
4622         (Layout::layout_group): Reserve space for group_signatures_.
4623         (Layout::find_or_add_kept_section): Change name parameter to be a
4624         reference.  Resize signatures_ map when it gets large enough.
4625         (Layout::layout_eh_frame): Use parameters->options() instead of
4626         this->options_.
4627         (Layout::make_output_section): Likewise.
4628         (Layout::attach_allocated_section_to_segment): Likewise.
4629         (Layout::finalize, Layout::create_executable_stack): Likewise.
4630         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4631         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4632         * layout.h (class Layout): Update declarations.  Remove options_
4633         field.  Add number_of_input_files_ and resized_signatures_
4634         fields.  Move sections_are_attached_ field.
4635         * main.cc (main): Pass number of input files to Layout
4636         constructor.  Don't pass options.
4638 2009-03-30  Ian Lance Taylor  <iant@google.com>
4640         * ffsll.c (ffsll): Correct implementation.
4642 2009-03-27  Ian Lance Taylor  <iant@google.com>
4644         * ffsll.c: New file.
4645         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4646         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4647         * ftruncate.c (ftruncate): Declare before definition.
4648         * mremap.c (mremap): Likewise.
4649         * pread.c (pread): Likewise.
4650         * configure, Makefile.in, config.in: Rebuild.
4652         * mremap.c: New file.
4653         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4654         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4655         (mremap): Declare if HAVE_MREMAP is not defined.
4656         * configure, Makefile.in, config.in: Rebuild.
4658 2009-03-27  Cary Coutant  <ccoutant@google.com>
4660         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4661         position independent.
4662         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4663         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4665 2009-03-24  Cary Coutant  <ccoutant@google.com>
4667         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4668         an executable.
4669         (needs_dynamic_reloc): Likewise.
4671 2009-03-24  Ian Lance Taylor  <iant@google.com>
4673         * yyscript.y (file_cmd): Recognize EXTERN.
4674         (extern_name_list, extern_name_list_body): New nonterminals.
4675         * script.cc (script_add_extern): Define.
4676         * script-c.h (script_add_extern): Declare.
4678 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4680         * object.cc (is_elf_object): Define.
4681         * object.h (is_elf_object): Declare.
4682         * archive.cc (Archive::get_elf_object_for_member): Call
4683         is_elf_object.
4684         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4686 2009-03-24  Elliott Hughes  <enh@google.com>
4688         * output.cc (Output_file::map_anonymous): Define.
4689         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4690         try an anonymous one.  Report the size if the mmap fails.
4691         * output.h (class Output_file): Declare map_anonymous.
4693 2009-03-24  Ian Lance Taylor  <iant@google.com>
4695         * target-select.cc (instantiate_target): Don't acquire the lock if
4696         the instantiated_target_ field has already been set.
4698 2009-03-23  Ian Lance Taylor  <iant@google.com>
4700         * gold-threads.h (class Initialize_lock): Define.
4701         * gold-threads.cc (class Initialize_lock_once): Define.
4702         (initialize_lock_control): New static variable.
4703         (initialize_lock_pointer): New static variable.
4704         (initialize_lock_once): New static function.
4705         (Initialize_lock::Initialize_lock): Define.
4706         (Initialize_lock::initialize): Define.
4707         * target-select.h: Include "gold-threads.h".
4708         (class Target_selector): Add lock_ and initialize_lock_ fields.
4709         Don't define instantiate_target, just declare it.
4710         * target-select.cc (Target_selector::Target_selector): Initialize
4711         new fields.
4712         (Target_selector::instantiate_target): Define.
4713         * descriptors.h: Include "gold-threads.h".
4714         (class Descriptors): Add initialize_lock_ field.
4715         * descriptors.cc (Descriptors::Descriptors): Initialize new
4716         field.
4717         (Descriptors::open): Use initialize_lock_ field
4718         * errors.h (class Errors): Add initialize_lock_ field.
4719         * errors.cc (Errors::Errors): Initialize new field.
4720         (Errors::initialize_lock): Use initialize_lock_ field.
4721         * powerpc.cc (class Target_selector_powerpc): Remove
4722         instantiated_target_ field.  In do_recognize call
4723         instantiate_target rather than do_instantiate_target.  In
4724         do_instantiate_target just allocate a new target.
4725         * sparc.cc (class Target_selector_sparc): Likewise.
4727         * freebsd.h: New file.
4728         * i386.cc: Include "freebsd.h".
4729         (Target_i386): Derive from Target_freebsd rather than
4730         Sized_target.
4731         (Target_selector_i386): Derive from Target_selector_freebsd rather
4732         than Target_selector.
4733         * x86_64.cc: Include "freebsd.h".
4734         (Target_x86_64): Derive from Target_freebsd rather than
4735         Sized_target.
4736         (Target_selector_x86_64): Derive from Target_selector_freebsd
4737         rather than Target_selector.
4738         * target.h (class Target): Add adjust_elf_header and
4739         do_adjust_elf_header.
4740         * output.cc (Output_file_header:: do_sized_write): Call target
4741         adjust_elf_header routine.
4742         * configure.tgt: Set targ_osabi.
4743         * configure.ac: Define GOLD_DEFAULT_OSABI.
4744         * parameters.cc (Parameters::default_target): Pass
4745         GOLD_DEFAULT_OSABI to select_target.
4746         * target-select.h (class Target_selector): Make instantiate_target
4747         protected rather than private.
4748         * Makefile.am (HFILES): Add freebsd.h.
4749         * configure, Makefile.in, config.in: Rebuild.
4751         * merge.cc (do_add_input_section): Correct pend value.  Change
4752         message about last entry not being null terminated from error to
4753         warning.
4755 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4757         * incremental.cc: New file.
4758         * Makefile.am (CCFILES): Add incremental.cc.
4759         * Makefile.in: Rebuild.
4761 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4763         * layout.cc (Layout::output_section_name): Preserve names
4764         of '.note.' sections.
4765         
4766 2009-03-19  Ian Lance Taylor  <iant@google.com>
4768         * descriptors.cc (Descriptors::open): Check that the options are
4769         valid before using them.
4771 2009-03-18  Ian Lance Taylor  <iant@google.com>
4773         * script-sections.h: Include <list>.
4774         (class Script_sections): Change Sections_elements from std::vector
4775         to std::list.  Typedef public Elements_iterator.  Add
4776         orphan_section_placement_, data_segment_align_start_, and
4777         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4778         field.
4779         * script-sections.cc (class Orphan_section_placement): New class.
4780         (class Sections_element): Add virtual functions is_relro and
4781         orphan_section_init.  Remove virtual function place_orphan_here.
4782         (class Output_section_definition): Add is_relro and
4783         orphan_section_init.  Remove place_orphan_here.
4784         (class Orphan_output_section): Likewise.
4785         (Script_sections::Script_sections): Update for field changes.
4786         (Script_sections::data_segment_align): Set saw_data_segment_align_
4787         and data_segment_align_start_, not data_segment_align_index.
4788         (Script_sections::data_segment_relro_end): Check
4789         saw_data_segment_align_.  Use data_segment_align_start_ rather
4790         than data_segment_align_index_.
4791         (Script_sections::place_orphan): Rewrite to use
4792         Orphan_section_placement.
4794 2009-03-17  Ian Lance Taylor  <iant@google.com>
4796         * archive.cc (Archive::add_symbols): Check for a version attached
4797         to the symbol name in the archive map.
4798         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4799         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4800         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4801         (ver_test_11.a): New target.
4802         * testsuite/Makefile.in: Rebuild.
4804         * configure.ac: Check for chsize and posix_fallocate.  Replace
4805         ftruncate.
4806         * ftruncate.c: New file, from gnulib.
4807         * output.cc (posix_fallocate): Define dummy version if not
4808         HAVE_POSIX_FALLOCATE.
4809         (Output_file::map): Call posix_fallocate rather than lseek and
4810         write.
4811         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4812         * configure, Makefile.in, config.in: Rebuild.
4814 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
4815         
4816         * layout.h (Layout::create_note): Add section_name parameter.
4817         * layout.cc (Layout::create_note): Likewise.
4818         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4819         
4820 2009-03-17  Ian Lance Taylor  <iant@google.com>
4822         * descriptors.cc: Include "options.h".
4823         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4824         (Descriptors::open): Always use O_CLOEXEC when opening a new
4825         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
4826         then set FD_CLOEXEC.
4828         * sparc.cc (class Target_sparc): Add has_got_section.
4829         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4830         make sure we have a GOT section.
4832         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4833         (Target_sparc::Scan::local): Likewise.
4834         (Target_sparc::Scan::global): Likewise.
4835         (Target_sparc::Relocate::relocate): Likewise.
4836         (Target_sparc::Relocate::relocate_tls): Likewise.
4838         * symtab.cc (Symbol_table::define_default_version): New function,
4839         broken out of add_from_object.
4840         (Symbol_table::add_from_object): Call define_default_version.
4841         (Symbol_table::define_special_symbol): Add resolve_oldsym
4842         parameter.  Change all callers.  If the version for a symbol comes
4843         from a version script, resolve it with the symbol with the same
4844         name with no version.  Also add the symbol without a version if
4845         appropriate.
4846         (do_define_in_output_data): If resolving with oldsym, don't delete
4847         sym.
4848         (do_define_in_output_segment): Likewise.
4849         (do_define_as_constant): Likewise.
4850         * symtab.h (class Symbol_table): Update declarations.
4852 2009-03-13  Ian Lance Taylor  <iant@google.com>
4854         * readsyms.cc (Read_symbols::incompatible_warning): New function.
4855         (Read_symbols::requeue): New function.
4856         (Read_symbols::do_read_symbols): If make_elf_object fails because
4857         the target type is not configured, and the file was searched for,
4858         issue a warning and retry with the next directory.
4859         (Add_symbols::run): If the file has an incompatible format, and
4860         it was searched for, requeue the Read_symbols task.  On error,
4861         release the object.
4862         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
4863         dirindex parameter to constructor.  Change all callers.  Declare
4864         incompatible_warning and requeue.
4865         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4866         input_argument_ and input_group_ fields.  Add them to
4867         constructor.  Change all callers.
4868         (class Read_script): Add dirindex_ field.  Add it to constructor.
4869         Change all callers.
4870         * archive.cc (Archive::setup): Remove input_objects parameter.
4871         Change all callers.
4872         (Archive::get_file_and_offset): Likewise.
4873         (Archive::read_all_symbols): Likewise.
4874         (Archive::read_symbols): Likewise.
4875         (Archive::get_elf_object_for_member): Remove input_objects
4876         parameter.  Add punconfigured parameter.  Change all callers.
4877         (Archive::add_symbols): Change return type to bool.  Check return
4878         value of include_member.
4879         (Archive::include_all_members): Likewise.
4880         (Archive::include_member): Change return type to bool.  Return
4881         false if first included object has incompatible target.  Set
4882         included_member_ field.
4883         (Add_archive_symbols::run): If add_symbols returns false, requeue
4884         Read_symbols task.
4885         * archive.h (class Archive): Add included_member_ field.
4886         Initialize it in constructor.  Add input_file and searched_for
4887         methods.  Update declarations.
4888         (class Add_archive_symbols): Add dirpath_, dirindex_, and
4889         input_argument_ fields.  Add them to constructor.  Change all
4890         callers.
4891         * script.cc: Include "target-select.h".
4892         (class Parser_closure): Add skip_on_incompatible_target_ and
4893         found_incompatible_target_ fields.  Add
4894         skip_on_incompatible_target parameter to constructor.  Change all
4895         callers.  Add methods skip_on_incompatible_target,
4896         clear_skip_on_incompatible_target, found_incompatible_target, and
4897         set_found_incompatible_target.
4898         (read_input_script): Add dirindex parameter.  Change all callers.
4899         If parser finds an incompatible target, requeue Read_symbols
4900         task.
4901         (script_set_symbol): Clear skip_on_incompatible_target in
4902         closure.
4903         (script_add_assertion, script_parse_option): Likewise.
4904         (script_start_sections, script_add_phdr): Likewise.
4905         (script_check_output_format): New function.
4906         * script.h (read_input_script): Update declaration.
4907         * script-c.h (script_check_output_format): Declare.
4908         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4909         (ignore_cmd): Remove OUTPUT_FORMAT.
4910         * fileread.cc (Input_file::Input_file): Add explicit this.
4911         (Input_file::will_search_for): New function.
4912         (Input_file::open): Add pindex parameter.  Change all callers.
4913         * fileread.h (class Input_file): Add input_file_argument method.
4914         Declare will_search_for.  Update declarations.
4915         * object.cc (make_elf_object): Add punconfigured parameter.
4916         Change all callers.
4917         * object.h (class Object): Make input_file public.  Add
4918         searched_for method.
4919         (make_elf_object): Update declaration.
4920         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4921         restart search.
4922         * dirsearch.h (class Dirsearch): Update declaration.
4923         * options.h (class General_options): Add --warn-search-mismatch.
4924         * parameters.cc (Parameters::is_compatible_target): New function.
4925         * parameters.h (class Parameters): Declare is_compatible_target.
4926         * workqueue.cc (Workqueue::add_blocker): New function.
4927         * workqueue.h (class Workqueue): Declare add_blocker.
4929         * fileread.cc (Input_file::open): Remove options parameter.
4930         Change all callers.
4931         (Input_file::open_binary): Likewise.
4932         * script.cc (read_input_script): Likewise.
4933         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4934         options parameter from constructor.  Change all callers.
4935         (class Read_script): Likewise.
4936         * fileread.h (class Input_file): Update declarations.
4937         * script.h (read_input_script): Update declaration.
4939 2009-03-10  Nick Clifton  <nickc@redhat.com>
4941         * po/es.po: New Spanish translation.
4943 2009-03-06  Cary Coutant  <ccoutant@google.com>
4945         * options.cc (parse_short_option): Keep dash_z from registering itself.
4947 2009-03-03  Ian Lance Taylor  <iant@google.com>
4949         PR 9918
4950         * target-reloc.h (relocate_section): Pass output_section to
4951         relocate.
4952         * i386.cc (Target_i386::should_apply_static_reloc): Add
4953         output_section parameter.  Change all callers.
4954         (Target_i386::Relocate::relocate): Add output_section parameter.
4955         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4956         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4957         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4958         * testsuite/two_file_shared.sh: New script.
4959         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4960         (check_DATA): Add two_file_shared.dbg.
4961         (two_file_shared.dbg): New target.
4962         * testsuite/Makefile.in: Rebuild.
4964 2009-03-01  Ian Lance Taylor  <iant@google.com>
4966         * configure.ac: Check for byteswap.h.
4967         * configure: Rebuild.
4968         * config.in: Rebuild.
4970 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4972         * layout.cc (Layout::find_or_add_kept_section): New function.
4973         (Layout::add_comdat): Removed.
4974         * layout.h (struct Kept_section): Move out of class Layout.
4975         Remove trailing underscores from field names.  Add group_sections
4976         field.  Rename group_ field to is_group.  Change all uses.
4977         (class Layout): Declare find_or_add_kept_section, not add_comdat.
4978         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4979         comdat_groups_ field.
4980         (Sized_relobj::include_section_group): Use
4981         find_or_add_kept_section and Kept_section::group_sections.
4982         (Sized_relobj::include_linkonce_section): Likewise.
4983         * object.cc (class Sized_relobj): Don't define Comdat_group or
4984         Comdat_group_table.  Remove find_comdat_group and
4985         add_comdat_group.  Remove comdat_groups_ field.
4986         * plugin.cc (include_comdat_group): Use
4987         Layout::find_or_add_kept_section.
4989 2009-02-28  Ian Lance Taylor  <iant@google.com>
4991         * README: --gc-sections and map files are now supported.  Document
4992         some build requirements.
4994         PR 6992
4995         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4996         relocatable link set the value of the section symbol to zero.
4997         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4998         relocatable link don't include the section address in the local
4999         symbol value.
5001 2009-02-27  Ian Lance Taylor  <iant@google.com>
5003         PR 6811
5004         * options.h (class Search_directory): Add is_system_directory.
5005         (class General_options): Declare is_in_system_directory.
5006         * options.cc (get_relative_sysroot): Make static.
5007         (get_default_sysroot): Make static.
5008         (General_optoins::is_in_system_directory): New function.
5009         * fileread.cc (Input_file::is_in_system_directory): New function.
5010         * fileread.h (class Input_file): Declare is_in_system_directory.
5011         * object.h (class Object): Add is_in_system_directory.
5012         (class Input_objects): Remove system_library_directory_ field.
5013         * object.cc (Input_objects::add_object): Don't set
5014         system_library_directory_.
5015         (input_objects::found_in_system_library_directory): Remove.
5016         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5017         parameter.  Change all callers.
5018         (Symbol_table::sized_write_globals): Likewise.
5019         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5020         Call Object::is_in_system_directory.
5021         * symtab.h (class Symbol_table): Update declarations.
5023         PR 5990
5024         * descriptors.h (Open_descriptor): Add is_on_stack field.
5025         * descriptors.cc (Descriptors::open): If the descriptor is on the
5026         top of the stack, remove it.  Initialize is_on_stack field.
5027         (Descriptors::release): Only add pod to stack if it is not on the
5028         stack already.
5029         (Descriptors::close_some_descriptor): Clear stack_next and
5030         is_on_stack fields.
5032         PR 7091
5033         * output.cc (Output_section::find_starting_output_address): Rename
5034         from starting_output_address; add PADDR parameter; change return
5035         type.
5036         * output.h (class Output_section): Declare
5037         find_starting_output_address instead of starting_output_address.
5038         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5039         section symbol for which we can't find a merge section.
5041         PR 9836
5042         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5043         hidden or internal, force the symbol to be local.
5044         * resolve.cc (Symbol::override_visibility): Define.
5045         (Symbol::override_base): Use override_visibility.
5046         (Symbol_table::resolve): Likewise.
5047         (Symbol::override_base_with_special): Likewise.
5048         (Symbol_table::override_with_special): If the visibility is hidden
5049         or internal, force the symbol to be local.
5050         * symtab.h (class Symbol): Add set_visibility and
5051         override_visibility.
5052         * testsuite/ver_test_1.sh: New file.
5053         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5054         (check_DATA): Add ver_test_1.syms.
5055         (ver_test_1.syms): New target.
5056         * testsuite/Makefile.in: Rebuild.
5058 2009-02-25  Cary Coutant  <ccoutant@google.com>
5060         * layout.cc (Layout::choose_output_section): Don't rename sections
5061         when using a linker script that has a SECTIONS clause.
5062         * Makefile.in: Regenerate.
5064         * testsuite/Makefile.am (script_test_5.sh): New test case.
5065         * testsuite/Makefile.in: Regenerate.
5066         * testsuite/script_test_5.cc: New file.
5067         * testsuite/script_test_5.sh: New file.
5068         * testsuite/script_test_5.t: New file.
5070 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5072         * archive.cc (Archive::include_member): Update calls to add_symbols.
5073         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5074         the Layout argument.
5075         * dynobj.h (do_add_symbols): Add the Layout argument.
5076         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5077         Layout argument.
5078         * object.h (Object::add_symbols): Add the Layout argument.
5079         (Object::do_add_symbols): Add the Layout argument.
5080         (Sized_relobj::do_add_symbols): Add the Layout argument.
5081         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5082         Unify the two versions.
5083         (Add_plugin_symbols): Remove.
5084         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5085         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5086         (Add_plugin_symbols): Remove.
5087         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5088         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5089         (Add_symbols::run): Make it work with Pulginobj.
5091 2009-02-06  Ian Lance Taylor  <iant@google.com>
5093         * object.cc (Sized_relobj::do_layout): Make info message start
5094         with lower case letter.
5096 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5098         * binary.cc: Fix file comment.
5100         * options.h (enum Incremental_disposition): Define.
5101         (class General_options): Add new options: --incremental,
5102         --incremental_changed, --incremental_unchanged,
5103         --incremental_unknown.  Add incremental_disposition_ and
5104         implicit_incremental_ fields.
5105         (General_options::incremental_disposition): New function.
5106         (class Position_dependent_options): Add incremental_disposition
5107         option.
5108         (Position_dependent_options::copy_from_options): Set incremental
5109         dispositions.
5110         * options.cc (General_options::parse_incremental_changed): New
5111         function.
5112         (General_options::parse_incremental_unchanged): New function.
5113         (General_options::parse_incremental_unknown): New function.
5114         (General_options::General_options): Initialize new fields
5115         incremental_disposition_ and implicit_incremental_.
5116         (General_options::finalize): Check for uasge of --incremental-*
5117         without --incremental.
5119 2009-02-06  Chris Demetriou  <cgd@google.com>
5121         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5122         pointer and to report location as the file name associated with
5123         the symbol.
5124         (gold_undefined_symbol_at_location): New function to replace the
5125         old gold_undefined_symbol functionality.
5126         * target-reloc.h (relocate_section): Update to use
5127         gold_undefined_symbol_at_location.
5128         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5129         Call gold_undefined_symbol function rather than gold_error.
5130         * errors.h (Errors::undefined_symbol): Take location as a
5131         string, rather than calculating it from a relocation.
5132         * errors.cc (Errors::fatal): Print "fatal error:" before the
5133         formatted message.
5134         (Errors::error, Errors::error_at_location): Print "error: "
5135         before the formatted message.
5136         (Errors::undefined_symbol): Take location as a string, rather
5137         than calculating it from a relocation.
5138         (gold_undefined_symbol_at_location): New function akin to
5139         old gold_undefined_symbol, calculates location from relocation.
5140         (gold_undefined_symbol): Change to take only a Symbol pointer
5141         and to report location as the file name associated with the symbol.
5142         * testsuite/debug_msg.sh: Update for changed error messages.
5143         * testsuite/undef_symbol.sh: Likewise.
5145 2009-02-04  Duncan Sands  <baldrick@free.fr>
5147         PR 9812
5148         * reduced_debug_output.h
5149         (Output_reduced_debug_abbrev_section::failed): Use format for
5150         gold_warning.
5151         (Output_reduced_debug_info_section::faild): Likewise.
5153 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5155         * script.cc (Lazy_demangler): New class.
5156         (Version_script_info::get_symbol_version_helper): Demangle a
5157         symbol only once.
5159 2009-01-29  Cary Coutant  <ccoutant@google.com>
5161         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5162         to __tls_get_addr.
5163         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5165 2009-01-28  Ian Lance Taylor  <iant@google.com>
5167         * version.cc (version_string): Bump to 1.9.
5169         * gold.h: Include <cstring> and <stdint.h>.
5170         * version.cc: Include <cstdio>.
5171         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5172         warning.
5173         * reduced_debug_output.cc (insert_into_vector): Rename from
5174         Insert_into_vector; change all callers.  Use Swap_unaligned to
5175         avoid aliasing issue; remove union since it is unnecessary.
5177 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5179         * Makefile.am (CCFILES): Add gc.cc.
5180         (HFILES): Add gc.h.
5181         * Makefile.in: Regenerate.
5182         * gold.cc (Gc_runner): New class.
5183         (queue_initial_tasks): Call garbage collection related tasks
5184         when corresponding options are invoked.
5185         (queue_middle_gc_tasks): New function.
5186         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5187         processed early before laying out sections during garbage collection.
5188         * gold.h (queue_middle_gc_tasks): New function.
5189         (is_prefix_of): Move from "layout.cc".
5190         * i386.cc (Target_i386::gc_process_relocs): New function.
5191         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5192         * main.cc (main): Create object of class "Garbage_collection".
5193         * object.cc (Relobj::copy_symbols_data): New function.
5194         (Relobj::is_section_name_included): New function.
5195         (Sized_relobj::do_layout): Allow this function to be called twice 
5196         during garbage collection and defer layout of section during the 
5197         first call.
5198         * object.h (Relobj::get_symbols_data): New function.
5199         (Relobj::is_section_name_included): New function.
5200         (Relobj::copy_symbols_data): New function.
5201         (Relobj::set_symbols_data): New function.
5202         (Relobj::get_relocs_data): New function.
5203         (Relobj::set_relocs_data): New function.
5204         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5205         (Relobj::gc_process_relocs): New function.
5206         (Relobj::do_gc_process_relocs): New pure virtual function.
5207         (Relobj::sd_): New data member.
5208         (Sized_relobj::is_output_section_offset_invalid): New function.
5209         (Sized_relobj::do_gc_process_relocs): New function.
5210         * options.h (General_options::gc_sections): Modify to not be a no-op.
5211         (General_options::print_gc_sections): New option.
5212         * plugin.cc (Plugin_finish::run): Remove function call to
5213         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5214         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5215         * reloc.cc (Read_relocs::run): Add task to process relocs and
5216         determine unreferenced sections when doing garbage collection.
5217         (Gc_process_relocs): New class.
5218         (Sized_relobj::do_gc_process_relocs): New function.
5219         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5220         sections that are garbage collected.
5221         * reloc.h (Gc_process_relocs): New class.
5222         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5223         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5224         symbols whose corresponding sections are garbage collected.
5225         (Symbol_table::Symbol_table): Add new parameter for the garbage
5226         collection object.
5227         (Symbol_table::gc_mark_undef_symbols): New function.
5228         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5229         (Symbol_table::gc_mark_dyn_syms): New function.
5230         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5231         as garbage.
5232         (Symbol_table::add_from_object): Likewise.
5233         (Symbol_table::add_from_relobj): When building shared objects, do not
5234         treat externally visible symbols as garbage.
5235         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5236         table information for static and relocatable links.
5237         * symtab.h (Symbol_table::set_gc): New function.
5238         (Symbol_table::gc): New function.
5239         (Symbol_table::gc_mark_undef_symbols): New function.
5240         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5241         (Symbol_table::gc_mark_dyn_syms): New function.
5242         (Symbol_table::gc_): New data member.
5243         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5244         function.
5245         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5246         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5248 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5250         * options.h (General_options::gc_sections): Define as a no-op for now.
5251         (General_options::no_keep_memory): Ditto.
5252         (General_options::Bshareable): Define.
5253         * options.cc (General_options::finalize): Honor -Bshareable.
5255 2009-01-20  Andreas Schwab  <schwab@suse.de>
5257         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5258         read the value in the contents, since we don't use it.  Use the
5259         template endianness when writing.
5260         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5262 2009-01-19  Andreas Schwab  <schwab@suse.de>
5264         * configure.tgt (powerpc64-*): Fix targ_obj.
5266 2009-01-15  Ian Lance Taylor  <iant@google.com>
5268         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5269         local symbols when stripping all symbols.
5271 2009-01-14  Cary Coutant  <ccoutant@google.com>
5273         * output.cc (Output_reloc): Add explicit instantiations.
5275 2009-01-14  Cary Coutant  <ccoutant@google.com>
5277         * archive.cc (Archive::get_elf_object_for_member): Remove call
5278         to File_read::claim_for_plugin.
5279         * descriptors.cc (Descriptors::open): Remove reference to
5280         is_claimed.
5281         (Descriptors::claim_for_plugin): Remove.
5282         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5283         (Descriptors::is_claimed): Remove.
5284         (claim_descriptor_for_plugin): Remove.
5285         * fileread.cc (File_read::claim_for_plugin): Remove.
5286         * fileread.h (File_read::claim_for_plugin): Remove.
5287         (File_read::descriptor): Reopen descriptor if necessary.
5288         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5289         (Plugin_manager::all_symbols_read): Add task parameter. Change
5290         all callers.
5291         (Plugin_manager::get_input_file): New function.
5292         (Plugin_manager::release_input_file): New function.
5293         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5294         corresponding data member.
5295         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5296         and pass to base constructor. Change all callers.
5297         (get_input_file, release_input_file): New functions.
5298         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5299         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5300         (Plugin_manager::all_symbols_read): Add task parameter.
5301         (Plugin_manager::get_input_file): New function.
5302         (Plugin_manager::release_input_file): New function.
5303         (Plugin_manager::task_): New data member.
5304         (Pluginobj::Pluginobj): Add filesize parameter.
5305         (Pluginobj::filename): New function.
5306         (Pluginobj::descriptor): New function.
5307         (Pluginobj::filesize): New function.
5308         (Pluginobj::filesize_): New data member.
5309         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5310         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5311         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5313         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5314         with archive libraries.
5315         * testsuite/Makefile.in: Regenerate.
5316         * testsuite/plugin_test.c (struct sym_info): New type.
5317         (get_input_file, release_input_file): New static variables.
5318         (onload): Capture new transfer vector entries.
5319         (claim_file_hook): Stop reading at end of file according to filesize.
5320         Factor out parsing of readelf output into separate function.
5321         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5322         APIs and get the source file name from the symbol table.  Convert
5323         source file name to corresponding object file name.  Print info
5324         message when adding new input files.
5325         (parse_readelf_line): New function.
5326         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5327         * testsuite/plugin_test_2.sh: Likewise.
5328         * testsuite/plugin_test_3.sh: Likewise.
5329         * testsuite/plugin_test_4.sh: New test case.
5331 2009-01-07  Ian Lance Taylor  <iant@google.com>
5333         * version.cc (version_string): Bump to 1.8.
5335 2008-12-23  Cary Coutant  <ccoutant@google.com>
5337         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5338         * plugin.cc (Plugin_manager::finish): Rename as
5339         layout_deferred_objects.  Move cleanup to separate function.
5340         (Plugin_manager::cleanup): New function.
5341         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5342         separately.
5343         * plugin.h (Plugin_manager::finish): Rename as
5344         layout_deferred_objects.
5345         (Plugin_manager::cleanup): New function.
5346         (Plugin_manager::cleanup_done): New field.
5348 2008-12-23  Cary Coutant  <ccoutant@google.com>
5350         * plugin.cc (is_visible_from_outside): New function.
5351         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5352         so we don't return "IR only" status for exported symbols or -r links.
5354         * testsuite/Makefile.am (plugin_test_3): New test case.
5355         * testsuite/Makefile.in: Regenerate.
5356         * testsuite/plugin_test_3.sh: New file.
5358 2008-12-22  Cary Coutant  <ccoutant@google.com>
5360         * object.cc (Sized_relobj::layout_section): New function.
5361         (Sized_relobj::do_layout): Defer layout of input sections until after
5362         plugin has provided replacement files.
5363         (Sized_relobj::do_layout_deferred_sections): New function.
5364         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5365         (Relobj::layout_deferred_sections): New function.
5366         (Relobj::do_layout_deferred_sections): New function.
5367         (Sized_relobj::do_layout_deferred_sections): New function.
5368         (Sized_relobj::layout_section): New function.
5369         (Sized_relobj::Deferred_layout): New structure.
5370         (Sized_relobj::deferred_layout_): New field.
5371         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5372         Change all callers.  Layout deferred sections.
5373         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5374         references.
5375         (Plugin_hook::run): Move code from do_plugin_hook inline.
5376         (Plugin_hook::do_plugin_hook): Remove.
5377         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5378         (Plugin_manager::finish): Renamed, was cleanup.
5379         (Plugin_manager::should_defer_layout): New function.
5380         (Plugin_manager::add_deferred_layout_object): New function.
5381         (Plugin_manager::Deferred_layout_list): New type.
5382         (Plugin_manager::deferred_layout_objects_): New field.
5383         (Plugin_hook::do_plugin_hook): Remove.
5385 2008-12-17  Ian Lance Taylor  <iant@google.com>
5387         * options.h (class General_options): Add --no case for
5388         --export-dynamic.
5390 2008-12-16  Cary Coutant  <ccoutant@google.com>
5392         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5393         vector.
5394         (Plugin_manager::claim_file): Create plugin object even if
5395         plugin did not call the add_symbols callback.
5396         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5397         asking for more symbols than were added.
5398         * testsuite/Makefile.am (plugin_test_1): Add test case with
5399         no global symbols.
5400         (empty.syms): New target.
5401         * testsuite/Makefile.in: Regenerate.
5402         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5403         message. Don't call add_symbols if no globals.
5404         (all_symbols_read_hook): Don't provide replacement for empty
5405         claimed file.
5407 2008-12-12  Ian Lance Taylor  <iant@google.com>
5409         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5410         r_type == 0 for a local symbol with r_sym == 0.
5411         (scan_relocatable_relocs): Pass r_sym to
5412         local_non_section_strategy.
5413         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5414         r_sym parameter.
5416         * configure.ac: Update test for TLS descriptors: they are
5417         supported as of glibc 2.9.
5418         * configure: Rebuild.
5420 2008-12-11  Ian Lance Taylor  <iant@google.com>
5422         PR 7091
5423         * target-reloc.h (Default_scan_relocatable_relocs): For each
5424         function, map r_type == 0 to RELOC_DISCARD.
5426 2008-12-10  Cary Coutant  <ccoutant@google.com>
5428         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5429         object to override a kept COMDAT group from a plugin object.
5431 2008-12-09  Ian Lance Taylor  <iant@google.com>
5433         PR 7088
5434         * yyscript.y (file_cmd): Handle INPUT.
5436         * testsuite/initpri1.c: Change all declarations to be full
5437         prototypes by adding void, to avoid compiler warnings.
5439 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5441         * options.cc (General_options::parse_plugin_opt): New.
5442         (General_options::add_plugin): The argument now is just the filename.
5443         (General_options::add_plugin_option): New.
5444         * options.h (plugin_opt): New.
5445         (add_plugin): Change argument name.
5446         (add_plugin_option): New.
5447         * plugin.cc (Plugin::load): Don't parse the plugin option.
5448         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5449         (Plugin::add_option): New.
5450         (Plugin::args_): Change type.
5451         (Plugin::filename_): New.
5452         (Plugin_manager::add_plugin_option): New.
5453         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5454         * testsuite/Makefile.in: Regenerate.
5456 2008-12-05  Cary Coutant  <ccoutant@google.com>
5458         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5459         Handle --strip-lto-sections option.
5460         * options.h (strip_lto_sections): New option.
5462 2008-12-01  Cary Coutant  <ccoutant@google.com>
5464         * plugin.cc (ld_plugin_message): Change format parameter to const.
5465         Fix mismatch between new[] and delete.
5467 2008-11-14  Cary Coutant  <ccoutant@google.com>
5469         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5470         instead of -1U.
5472 2008-11-05  Craig Silverstein  <csilvers@google.com>
5474         * options.cc (General_options::parse_dynamic_list): New function.
5475         * options.h (General_options): New flags dynamic_list,
5476         dynamic_list_data, dynamic_list_cpp_new, and
5477         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5478         (General_options::in_dynamic_list): New function.
5479         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5480         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5481         (Lex::can_continue_name): Likewise.
5482         (yylex): Likewise.
5483         (read_script_file): New parameter script_options.
5484         (read_dynamic_list): New function.
5485         (Script_options::define_dynamic_list): New function.
5486         (dynamic_list_keyword_parsecodes): New variable.
5487         (dynamic_list_keywords): New variable.
5488         * script.h (Script_options::define_dynamic_list): New function
5489         prototype.
5490         (read_dynamic_list): New function prototype.
5491         * symtab.cc (strprefix): New macro.
5492         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5493         dynamic_list_data, dynamic_list_cpp_new, and
5494         dynamic_list_cpp_typeinfo.
5495         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5496         (dynamic_list_expr): New rule.
5497         (dynamic_list_nodes): Likewise.
5498         (dynamic_list_node): Likewise.
5499         * testsuite/Makefile.am (dynamic_list): New test.
5500         * testsuite/Makefile.in: Regenerated.
5501         * testsuite/dynamic_list.t: New file.
5502         * testsuite/dynamic_list.sh: New file.
5504 2008-11-05  Craig Silverstein  <csilvers@google.com>
5506         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5507         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5508         (t11_last): Likewise.
5509         * testsuite/ver_test_6.c (main): Likewise.
5511 2008-10-07  Cary Coutant  <ccoutant@google.com>
5513         * options.c (General_options::finalize): Add check for -static and
5514         -shared.
5515         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5516         is not empty.
5518 2008-10-02  Cary Coutant  <ccoutant@google.com>
5520         * plugin.cc (make_sized_plugin_object): Fix conditional
5521         compilation to work when not all targets are enabled.
5523 2008-09-29  Cary Coutant  <ccoutant@google.com>
5525         * archive.cc (Archive::get_file_and_offset): Use filename instead
5526         of name to get library path.
5527         (Archive::include_member): Unlock external member of a thin archive.
5529         * testsuite/Makefile.am (TEST_AR): New variable.
5530         (thin_archive_test_1): New test.
5531         (thin_archive_test_2): New test.
5532         * testsuite/Makefile.in: Regenerate.
5533         * testsuite/thin_archive_main.cc: New file.
5534         * testsuite/thin_archive_test_1.cc: New file.
5535         * testsuite/thin_archive_test_2.cc: New file.
5536         * testsuite/thin_archive_test_3.cc: New file.
5537         * testsuite/thin_archive_test_4.cc: New file.
5539 2008-09-29  Cary Coutant  <ccoutant@google.com>
5541         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5542         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5543         instead of -1U.
5544         (Sized_relobj::do_finalize_local_symbols): Likewise.
5545         (Sized_relobj::map_to_kept_section): Likewise.
5546         * object.h (Sized_relobj::invalid_address): New constant.
5547         (Sized_relobj::do_output_section_offset): Check for invalid_address
5548         and return -1ULL.
5549         * output.cc (Output_reloc::local_section_offset): Use constant
5550         invalid_address instead of -1U.
5551         (Output_reloc::get_address): Likewise.
5552         (Output_section::output_address): Change -1U to -1ULL.
5553         * output.h (Output_reloc::invalid_address): New constant.
5554         * reloc.cc (Sized_relobj::write_sections): Use constant
5555         invalid_address instead of -1U.
5556         (Sized_relobj::relocate_sections): Likewise.
5557         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5558         values for merge sections.
5559         * target-reloc.h (relocate_for_relocatable): Use constant
5560         invalid_address instead of -1U.
5562 2008-09-19  Cary Coutant  <ccoutant@google.com>
5564         Add plugin functionality for link-time optimization (LTO).
5565         * configure.ac (plugins): Add --enable-plugins option.
5566         * configure: Regenerate.
5567         * config.in: Regenerate.
5568         * Makefile.am (LIBDL): New variable.
5569         (CCFILES): Add plugin.cc.
5570         (HFILES): Add plugin.h.
5571         (ldadd_var): Add LIBDL.
5572         * Makefile.in: Regenerate.
5574         * archive.cc: Include "plugin.h".
5575         (Archive::setup): Don't preread archive symbols when using a plugin.
5576         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5577         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5578         files.
5579         (Archive::include_member): Add symbols from plugin objects.
5580         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5581         * descriptors.cc (Descriptors::open): Check for file descriptors
5582         abandoned by plugins.
5583         (Descriptors::claim_for_plugin): New function.
5584         * descriptors.h (Descriptors::claim_for_plugin): New function.
5585         (Open_descriptor::is_claimed): New field.
5586         (claim_descriptor_for_plugin): New function.
5587         * fileread.cc (File_read::claim_for_plugin): New function.
5588         * fileread.h (File_read::claim_for_plugin): New function.
5589         (File_read::descriptor): New function.
5590         * gold.cc: Include "plugin.h".
5591         (queue_initial_tasks): Add task to call plugin hooks for generating
5592         new object files.
5593         * main.cc: Include "plugin.h".
5594         (main): Load plugin libraries.
5595         * object.h (Pluginobj): Declare.
5596         (Object::pluginobj): New function.
5597         (Object::do_pluginobj): New function.
5598         (Object::set_target): New function.
5599         * options.cc: Include "plugin.h".
5600         (General_options::parse_plugin): New function.
5601         (General_options::General_options): Initialize plugins_ field.
5602         (General_options::add_plugin): New function.
5603         * options.h (Plugin_manager): Declare.
5604         (General_options): Add --plugin option.
5605         (General_options::has_plugins): New function.
5606         (General_options::plugins): New function.
5607         (General_options::add_plugin): New function.
5608         (General_options::plugins_): New field.
5609         * plugin.cc: New file.
5610         * plugin.h: New file.
5611         * readsyms.cc: Include "plugin.h".
5612         (Read_symbols::do_read_symbols): Check for archive before checking
5613         for ELF file.  Call plugin hooks to claim files.
5614         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5615         from a real object file; force override when processing replacement
5616         files.
5617         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5618         (Symbol::init_base_object): Likewise.
5619         (Symbol::init_base_output_data): Likewise.
5620         (Symbol::init_base_output_segment): Likewise.
5621         (Symbol::init_base_constant): Likewise.
5622         (Symbol::init_base_undefined): Likewise.
5623         (Symbol::output_section): Assert that object is not a plugin.
5624         (Symbol_table::add_from_pluginobj): New function.
5625         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5626         undefined.
5627         (Symbol_table::sized_write_globals): Likewise.
5628         (Symbol_table::add_from_pluginobj): Instantiate template.
5629         * symtab.h (Sized_pluginobj): Declare.
5630         (Symbol::in_real_elf): New function.
5631         (Symbol::set_in_real_elf): New function.
5632         (Symbol::in_real_elf_): New field.
5633         (Symbol_table::add_from_pluginobj): New function.
5635         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5636         (LIBDL): New variable.
5637         (LDADD): Add LIBDL.
5638         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5639         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5640         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5641         (MOSTLYCLEANFILES): Likewise.
5642         * testsuite/Makefile.in: Regenerate.
5643         * testsuite/plugin_test.c: New file.
5644         * testsuite/plugin_test_1.sh: New file.
5645         * testsuite/plugin_test_2.sh: New file.
5647 2008-09-16  Ian Lance Taylor  <iant@google.com>
5649         * target-reloc.h (relocate_section): Check whether a symbol is
5650         defined by the ABI before reporting an undefined symbol error.
5651         * target.h (Target::is_defined_by_abi): Make parameter const.
5652         (Target::do_is_defined_by_abi): Likewise.
5653         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5654         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5655         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5656         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5657         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5658         * testsuite/Makefile.in: Rebuild.
5660         * fileread.cc (make_view): Add casts to avoid warning.
5662 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5664         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5665         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5667 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5669         * options.h (General_options::output_is_executable): New.
5670         (General_options::output_is_pie): New.
5671         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5672         for shared libraries.
5673         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5675 2008-09-11  Chris Demetriou  <cgd@google.com>
5677         * options.h (origin): New -z option.
5678         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5679         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5680         in DT_FLAGS_1.
5682 2008-09-05  Cary Coutant  <ccoutant@google.com>
5684         * fileread.cc (File_read::make_view): Add check for attempt to map
5685         beyond end of file.
5687 2008-09-05  Cary Coutant  <ccoutant@google.com>
5689         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5690         explicit instantiations.
5692 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5694         PR gold/6858
5695         * options.cc (General_options::finalize): Allow undefined symbols
5696         in shlibs if linking -shared.
5698         PR gold/6859
5699         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5700         symbols as not needing a dynsym entry.
5702 2008-08-20  Craig Silverstein  <csilvers@google.com>
5704         * fileread.cc (File_read::open): Do not lock the file unless it
5705         was successfully opened.
5707 2008-08-14  Cary Coutant  <ccoutant@google.com>
5709         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5710         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5711         * testsuite/tls_test.cc (struct int128): 128-bit struct
5712         for testing TLS relocs with non-zero addend.
5713         (v12): New TLS variable.
5714         (t12): New test.
5715         (t_last): Add check for v12.
5716         * testsuite/tls_test.h (t12): New function.
5717         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5719 2008-08-13  Ian Lance Taylor  <iant@google.com>
5721         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5722         set tls_segment_ or relro_segment_.
5723         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5724         when appropriate.
5725         * output.h (Output_section::clear_is_relro): New function.
5726         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5727         sections specially even when output_data_ is empty.
5728         (Output_segment::maximum_alignment): When first section is relro,
5729         only force alignment for PT_LOAD segments.
5730         * script.cc (script_data_segment_align): New function.
5731         (script_data_segment_relro_end): New function.
5732         * script-c.h (script_data_segment_align): Declare.
5733         (script_data_segment_relro_end): Declare.
5734         * script-sections.h (class Script_sections): Declare
5735         data_segment_align and data_segment_relro_end.  Add fields
5736         segment_align_index_ and saw_relro_end_.
5737         * script-sections.cc (class Sections_element): Add set_is_relro
5738         virtual function.  Add new bool* parameter to place_orphan_here.
5739         Add get_output_section virtual function.
5740         (class Output_section_definition): Add set_is_relro.  Add new
5741         bool* parameter to place_orphan_here.  Add get_output_section.
5742         Add is_relro_ field.
5743         (Output_section_definition::Output_section_definition): Initialize
5744         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5745         and is_relro_ fields.
5746         (Output_section_definition::place_orphan_here): Add is_relro
5747         parameter.
5748         (Output_section_definition::set_section_addresses): Set relro for
5749         output section.
5750         (Output_section_definition::alternate_constraint): Likewise.
5751         (class Orphan_output_section): Add new bool* parameter to
5752         place_orphan_here.  Add get_output_section.
5753         (Orphan_output_section::place_orphan_here): Add is_relro
5754         parameter.
5755         (Script_sections::Script_sections): Initialize
5756         data_segment_align_index_ and saw_relro_end_.
5757         (Script_sections::data_segment_align): New function.
5758         (Script_sections::data_segment_relro_end): New function.
5759         (Script_sections::place_orphan): Set or clear is_relro.
5760         (Script_sections::set_section_addresses): Force alignment of first
5761         TLS section.
5762         * yyscript.y (exp): Call script_data_segment_align and
5763         script_data_segment_relro_end.
5764         * testsuite/relro_script_test.t: New file.
5765         * testsuite/relro_test.cc (using_script): Declare.
5766         (t1, t2): Test using_script.
5767         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5768         (relro_script_test_SOURCES): Define.
5769         (relro_script_test_DEPENDENCIES): Define.
5770         (relro_script_test_LDFLAGS): Define.
5771         (relro_script_test_LDADD): Define.
5772         (relro_script_test.so): New target.
5773         * testsuite/Makefile.in: Rebuild.
5775 2008-08-06  Cary Coutant <ccoutant@google.com>
5777         * archive.cc (Archive::total_archives, Archive::total_members)
5778         (Archive::total_members_loaded): New variables.
5779         (Archive::setup): Add parameter.  Add option to preread
5780         archive symbols.
5781         (Archive::read_armap): Add counter.
5782         (Archive::get_file_and_offset): New function.
5783         (Archive::get_elf_object_for_member): New function.
5784         (Archive::read_all_symbols): New function.
5785         (Archive::read_symbols): New function.
5786         (Archive::add_symbols): Add counters.
5787         (Archive::include_all_members): Use armap to find members if it's
5788         already built.
5789         (Archive::include_member): Skip reading symbols if already read.
5790         Factored code into Archive::get_file_and_offset and
5791         Archive::get_elf_object_for_member.  Changed call to
5792         Mapfile::report_include_archive_member.
5793         (Archive::print_stats): New function.
5794         * archive.h: Declare Object and Read_symbols_data classes.
5795         (Archive::Archive): Add initializers for new members.
5796         (Archive::setup): Add parameter.
5797         (Archive::print_stats): New function.
5798         (Archive::total_archives, Archive::total_members)
5799         (Archive::total_members_loaded): New variables.
5800         (Archive::get_file_and_offset): New function.
5801         (Archive::get_elf_object_for_member): New function.
5802         (Archive::read_all_symbols): New function.
5803         (Archive::read_symbols): New function.
5804         (Archive::Archive_member): New class.
5805         (Archive::members_): New member.
5806         (Archive::num_members_): New member.
5807         * main.cc: Include archive.h.
5808         (main): Call Archive::print_stats.
5809         * mapfile.cc (Mapfile::report_include_archive_member): Delete
5810         archive parameter; member_name is now the fully-decorated name.
5811         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5812         * options.h: (General_options): Add --preread-archive-symbols option.
5813         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5814         Archive::setup.
5816 2008-08-04  Ian Lance Taylor  <iant@google.com>
5818         * symtab.h (Symbol::use_plt_offset): New function.
5819         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5820         * powerpc.cc (Relocate::relocate): Likewise.
5821         * sparc.cc (Relocate::relocate): Likewise.
5822         * x86_64.cc (Relocate::relocate): Likewise.
5823         * testsuite/weak_plt.sh: New test.
5824         * testsuite/weak_plt_main.cc: New test.
5825         * testsuite/weak_plt_shared.cc: New test.
5826         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5827         (check_PROGRAMS): Add weak_plt.
5828         (check_DATA): Add weak_plt_shared.so.
5829         (weak_plt_main_pic.o, weak_plt): New targets.
5830         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5831         * testsuite/Makefile.in: Rebuild.
5833         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5834         gcctestdir/ld.
5835         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5836         * testsuite/Makefile.in: Rebuild.
5838 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
5840         * Makefile.am (POTFILES.in): Set LC_ALL=C.
5841         * Makefile.in: Regenerate.
5842         * po/POTFILES.in: Regenerate.
5844 2008-07-29  Ian Lance Taylor  <iant@google.com>
5846         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5847         symbols before other symbols.
5848         * testsuite/script_test_2.cc (test_addr): Declare.
5849         (test_addr_alias): Declare.
5850         (main): Check that test_addr and test_addr_alias have the right
5851         values.
5852         * testsuite/script_test_2.t: Define test_addr_alias and
5853         test_addr.
5855 2008-07-24  Ian Lance Taylor  <iant@google.com>
5857         PR 5990
5858         * descriptors.cc: New file.
5859         * descriptors.h: New file.
5860         * gold-threads.h (class Hold_optional_lock): New class.
5861         * fileread.cc: Include "descriptors.h".
5862         (File_read::~File_read): Release descriptor rather than closing
5863         it.
5864         (File_read::open) [file]: Call open_descriptor rather than open.
5865         Set is_descriptor_opened_.
5866         (File_read::open) [memory]: Assert that descriptor is not open.
5867         (File_read::reopen_descriptor): New function.
5868         (File_read::release): Release descriptor.
5869         (File_read::do_read): Make non-const.  Reopen descriptor.
5870         (File_read::read): Make non-const.
5871         (File_read::make_view): Reopen descriptor.
5872         (File_read::do_readv): Likewise.
5873         * fileread.h (class File_read): Add is_descriptor_opened_ field.
5874         Update declarations.
5875         * layout.cc: Include "descriptors.h".
5876         (Layout::create_build_id): Use open_descriptor rather than open.
5877         * output.cc: Include "descriptors.h".
5878         (Output_file::open): Use open_descriptor rather than open.
5879         * archive.cc (Archive::const_iterator): Change Archive to be
5880         non-const.
5881         (Archive::begin, Archive::end): Make non-const.
5882         (Archive::count_members): Likewise.
5883         * archive.h (class Archive): Update declarations.
5884         * object.h (Object::read): Make non-const.
5885         * Makefile.am (CCFILES): Add descriptors.cc.
5886         (HFILES): Add descriptors.h.
5887         * Makefile.in: Rebuild.
5889         PR 6716
5890         * gold.h: Always include <clocale>.  Add Solaris workarounds
5891         following code in binutils/sysdep.h.
5893         PR 6048
5894         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5895         this->eh_frame_hdr_ is NULL before using it.
5897         * dynobj.cc (Versions::Versions): Update comment.
5899         * dynobj.cc (Versions::Versions): If there is an soname, use it as
5900         the base version name.
5902         * stringpool.cc (Stringpool_template::add_with_length): Set key to
5903         array size plus one.
5904         (Stringpool_template::set_string_offsets): Subtract one from key
5905         before using it as an array index.
5906         (Stringpool_template::get_offset_with_length): Likewise.
5907         (Stringpool_template::write_to_buffer): Likewise.
5908         * stringpool.h (Stringpool_template::get_offset_from_key):
5909         Likewise.
5911 2008-07-23  Ian Lance Taylor  <iant@google.com>
5913         PR 6658
5914         * object.h (Merged_symbol_value::value): Do our best to handle a
5915         negative addend.
5917         PR 6647
5918         * script.cc (Version_script_info::get_versions): Don't add empty
5919         version tag to return value.
5920         (Version_script_info::get_symbol_version_helper): Change return
5921         type to bool.  Add pversion parameter.  Change all callers.
5922         (script_register_vers_node): Don't require a non-NULL tag.
5923         * script.h (class Version_script_info): Update declarations.
5924         (Version_script_info::get_symbol_version): Change return type to
5925         bool.  Add version parameter.  Change all callers.
5926         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5927         handling.  Handle an empty version from a version script.
5928         (Symbol_table::define_special_symbol): Likewise.
5929         * testsuite/ver_test_10.script: New file.
5930         * testsuite/ver_test_10.sh: New file.
5931         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5932         (check_DATA): Add ver_test_10.syms.
5933         (ver_test_10.syms, ver_test_10.so): New target.
5934         * testsuite/Makefile.in: Rebuild.
5936 2008-07-23  Simon Baldwin  <simonb@google.com>
5938         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5939         to zero for undefined symbols from dynamic libraries.
5941 2008-07-23  Ian Lance Taylor  <iant@google.com>
5943         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5944         Change all callers.
5945         * symtab.h (class Symbol_table): Update declaration.
5946         * testsuite/ver_test_9.cc: New file.
5947         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5948         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5949         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5950         (ver_test_9.so, ver_test_9.o): New targets.
5951         * testsuite/Makefile.in: Rebuild.
5953 2008-07-22  Ian Lance Taylor  <iant@google.com>
5955         * options.h (class General_options): Define --check-sections.
5956         * layout.cc (Layout::set_segment_offsets): Handle
5957         --check-sections.
5959         * options.h (class General_options): Define -n/--nmagic and
5960         -N/--omagic.
5961         * options.cc (General_options::finalize): For -n/--nmagic or
5962         -N/--omagic, set -static.
5963         * layout.cc (Layout::attach_allocated_section_to_segment): If
5964         -N/--omagic, don't put read-only and read-write sections in
5965         different segments.
5966         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5967         finding a read-only segment.
5968         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5969         don't set the minimum segment alignment to the common page size,
5970         and don't set the file offset to the address modulo the page size.
5971         * script-sections.cc (Script_sections::create_segments): If
5972         -n/--omagic, don't put read-only and read-write sections in
5973         different segments.
5975         * cref.cc: New file.
5976         * cref.h: New file.
5977         * options.h (class General_options): Add --print-symbol-counts.
5978         * main.cc (main): Issue defined symbol report if requested.
5979         * archive.cc (Archive::interpret_header): Make into a const member
5980         function.
5981         (Archive::add_symbols): Call Input_objects::archive_start and
5982         archive_stop.
5983         (Archive::const_iterator): Define new class.
5984         (Archive::begin, Archive::end): New functions.
5985         (Archive::include_all_members): Rewrite to use iterator.
5986         (Archive::count_members): New function.
5987         * archive.h (class Archive): Update declarations.
5988         (Archive::filename): New function.
5989         * object.cc: Include "cref.h".
5990         (Sized_relobj::Sized_relobj): Initialize defined_count_.
5991         (Sized_relobj::do_get_global_symbol_counts): New function.
5992         (Input_objects::add_object): Add object to cross-referencer.
5993         (Input_objects::archive_start): New function.
5994         (Input_objects::archive_stop): New function.
5995         (Input_objects::print_symbol_counts): New function.
5996         * object.h: Declare Cref and Archive.
5997         (Object::get_global_symbol_counts): New function.
5998         (Object::do_get_global_symbol_counts): New pure virtual function.
5999         (class Sized_relobj): Add defined_count_ field.  Update
6000         declarations.
6001         (class Input_objects): Add cref_ field.  Update constructor.
6002         Update declarations.
6003         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6004         defined_count_.
6005         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6006         symbol counts.
6007         (Sized_dynobj::do_get_global_symbol_counts): New function.
6008         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6009         defined_count_.  Update declarations.  Define Symbols typedef.
6010         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6011         parameter.  Change all callers.
6012         (Symbol_table::add_from_dynobj): Add sympointers and defined
6013         parameters.  Change all callers.
6014         * symtab.h (class Symbol_table): Update declarations.
6015         * Makefile.am (CCFILES): Add cref.cc.
6016         (HFILES): Add cref.h.
6017         * Makefile.in: Rebuild.
6019 2008-07-22  Simon Baldwin  <simonb@google.com>
6021         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6022         to zero when writing undefined symbols.
6024 2008-07-22  Ian Lance Taylor  <iant@google.com>
6026         * output.cc (Output_section::add_input_section): Don't try to
6027         merge empty merge sections.
6029 2008-07-21  Craig Silverstein  <csilvers@google.com>
6031         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6032         Include symbol version in error message.
6034 2008-07-20  Chris Demetriou  <cgd@google.com>
6036         * configure.ac (gold_cv_c_random_seed): New configured variable.
6037         (RANDOM_SEED_CFLAGS): New substituted variable.
6038         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6039         * configure: Rebuild.
6040         * Makefile.in: Likewise.
6041         * testsuite/Makefile.in: Likewise.
6043 2008-07-18  Ian Lance Taylor  <iant@google.com>
6045         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6046         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6047         * testsuite/ver_test_main.cc (main): Call t4.
6048         (t4, t4_2a): Define.
6049         * testsuite/ver_test_2.cc (t4_2): Define.
6050         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6051         * testsuite/ver_test_4.cc (t4_2a): Define.
6052         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6053         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6055 2008-07-17  Ian Lance Taylor  <iant@google.com>
6057         * dynobj.cc (Versions::add_def): If we give an error about a
6058         missing version, go ahead and create the version anyhow.
6060 2008-07-10  Ian Lance Taylor  <iant@google.com>
6062         Handle output sections with more than 0x7fffffff bytes.
6063         * object.h (class Relobj): Change map_to_output_ to
6064         output_sections_, and just keep a section pointer.  Change all
6065         uses.  Move comdat group support to Sized_relobj.
6066         (Relobj::is_section_specially_mapped): Remove.
6067         (Relobj::output_section): Remove poff parameter.  Change all
6068         callers.
6069         (Relobj::output_section_offset): New function.
6070         (Relobj::set_section_offset): Rewrite.
6071         (Relobj::map_to_output): Remove.
6072         (Relobj::output_sections): New function.
6073         (Relobj::do_output_section_offset): New pure virtual function.
6074         (Relobj::do_set_section_offset): Likewise.
6075         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6076         group support from Relobj.  Update declarations.
6077         (Sized_relobj::get_output_section_offset): New function.
6078         (Sized_relobj::do_output_section_offset): New function.
6079         (Sized_relobj::do_set_section_offset): New function.
6080         * object.cc (Relobj::output_section_address): Remove.
6081         (Sized_relobj::Sized_relobj): Initialize new fields.
6082         (Sized_relobj::include_section_group): Cast find_kept_object to
6083         Sized_relobj.
6084         (Sized_relobj::include_linkonce_section): Likewise.
6085         (Sized_relobj::do_layout): Use separate arrays for output section
6086         and output offset.
6087         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6088         output_sections.
6089         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6090         output_sections and section_offsets.
6091         (Sized_relobj::write_local_symbols): Likewise.
6092         (map_to_kept_section): Compute output address directly.
6093         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6094         output_sections and section_offsets.
6095         (Sized_relobj::write_sections): Likewise.
6096         (Sized_relobj::relocate_sections): Likewise.
6097         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6098         * output.h (class Output_reloc): Update declarations.  Change
6099         u2_.relobj to Sized_relobj*.
6100         (class Output_data_reloc): Change add functions to use
6101         Sized_relobj*.
6102         * output.cc (Output_reloc::Output_reloc): Change relobj to
6103         Sized_relobj*.
6104         (Output_reloc::local_section_offset): Change return type to
6105         Elf_Addr.  Use get_output_section_offset.
6106         (Output_reloc::get_address): Likewise.
6107         (Output_section::is_input_address_mapped): Don't call
6108         is_section_specially_mapped.
6109         (Output_section::output_offset): Likewise.
6110         (Output_section::output_address): Likewise.
6111         (Output_section::starting_output_address): Likewise.
6112         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6113         parameter to Sized_relobj*.
6114         (Copy_relocs::need_copy_reloc): Likewise.
6115         (Copy_relocs::save): Likewise.
6116         * copy-relocs.h (class Copy_relocs): Update declarations.
6117         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6118         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6119         * target-reloc.h (relocate_for_relocatable): Change
6120         offset_in_output_section type to Elf_Addr.  Change code that uses
6121         it as well.
6122         * layout.cc (Layout::layout): Always set *off.
6123         * mapfile.cc (Mapfile::print_input_section): Use
6124         output_section_offset.
6125         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6126         Sized_relobj*.
6127         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6128         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6129         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6131 2008-07-03  Ian Lance Taylor  <iant@google.com>
6133         * layout.cc (Layout::include_section): Do not discard unrecognized
6134         SHT_STRTAB sections.
6136 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6138         * script.cc (Lex::can_continue_name): Make '?' allowable in
6139         version-script names.
6140         * testsuite/version_script.map: Change glob pattern to use '?'
6142 2008-06-30  Manish Singh  <yosh@gimp.org>
6144         PR 6585
6145         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6146         Correct typo.
6148 2008-06-30  Ian Lance Taylor  <iant@google.com>
6150         PR 6660
6151         PR 6682
6152         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6153         versions]: Don't try to read the value in the contents, since we
6154         don't use it.  Use the template endianness when writing.
6156 2008-06-25  Cary Coutant  <ccoutant@google.com>
6158         * fileread.cc (File_read::make_view): Assert on zero-length view.
6159         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6160         symbol table when there are no symbols to read.
6162 2008-06-23  Craig Silverstein  <csilvers@google.com>
6164         * version.cc (version_string): Bump to 1.7
6166 2008-06-18  Craig Silverstein  <csilvers@google.com>
6168         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6169         constant 0xFFFF to type Valtype.
6170         (Powerpc_relocate_functions::rel16_ha): Likewise.
6172 2008-06-17  Ian Lance Taylor  <iant@google.com>
6174         * output.h (Output_section::Input_section): Initialize p2align_ to
6175         zero for Output_section_data constructors.
6176         (Output_section::Input_section::addralign): If not an input
6177         section, return the alignment of the Output_section_data.
6178         * testsuite/copy_test.cc: New file.
6179         * testsuite/copy_test_1.cc: New file.
6180         * testsuite/copy_test_2.cc: New file.
6181         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6182         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6183         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6184         (copy_test_1_pic.o, copy_test_1.so): New targets.
6185         (copy_test_2_pic.o, copy_test_2.so): New targets.
6186         * testsuite/Makefile.in: Rebuild.
6188         * script-sections.cc (Script_sections::place_orphan): Initialize
6189         local variable exact.
6191 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6193         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6195 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6196             David S. Miller  <davem@davemloft.net>
6198         * powerpc.cc: New file.
6199         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6200         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6201         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6202         * Makefile.in: Rebuild.
6204 2008-06-09  Ian Lance Taylor  <iant@google.com>
6206         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6207         <exception>.
6208         (throwing, orig_terminate): New static variables.
6209         (terminate_handler): New static function.
6210         (t2): Set terminate handler.
6212 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6214         PR 6584
6215         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6216         alignment.
6218 2008-05-30  Cary Coutant  <ccoutant@google.com>
6220         * archive.cc (Archive::include_all_members) Correct to step
6221         over symbol table and extended name table in thin archives.
6223 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6225         PR 6407
6226         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6227         calculation.
6229 2008-05-28  Caleb Howe  <cshowe@google.com>
6231         * reduced_debug_output.cc: New file.
6232         * reduced_debug_output.h: New file.
6233         * options.h (class General_options): Add --strip-debug-non-line.
6234         * options.cc (General_options::finalize): Add strip_debug_non_line
6235         to the strip heirarchy.
6236         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6237         fields.
6238         * layout.cc: Include "reduced_debug_output.h".
6239         (Layout::Layout): Initialize new fields.
6240         (line_only_debug_sections): New static array.
6241         (is_lines_only_debug_sections): New static inline function.
6242         (Layout::include_section): Handle --strip-debug-non-line.
6243         (Layout::make_output_section): If --strip-debug-non-line, build
6244         new output sections for .debug_abbrev and .debug_info.
6245         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6246         gold.  Warn about possible overflow.
6247         (read_signed_LEB_128): Likewise.
6248         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6249         (read_signed_LEB_128): Declare.
6250         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6251         (HFILES): Add reduced_debug_output.h.
6252         * Makefile.in: Rebuild.
6254 2008-05-21  Ian Lance Taylor  <iant@google.com>
6256         * mapfile.cc: New file.
6257         * mapfile.h: New file.
6258         * options.h (class General_options): Add -M/--print-map and -Map.
6259         * options.cc (General_options::finalize): Make -M equivalent to
6260         -Map -.
6261         * main.cc: Include <cstdio> and "mapfile.h".
6262         (main): Open mapfile if requested.
6263         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6264         constructor.  Change caller.
6265         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6266         (queue_middle_tasks): Likewise.
6267         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6268         declarations.
6269         * archive.cc: Include "mapfile.h".
6270         (Archive::add_symbols): Add mapfile parameter.  Change all
6271         callers.  Pass mapfile, symbol, and reason to include_member.
6272         (Archive::include_all_members): Add mapfile parameter.  Change all
6273         callers.
6274         (Archive::include_member): Add mapfile, sym, and why parameters.
6275         Change all callers.  Report inclusion to map file.
6276         * archive.h: Include "fileread.h".
6277         (class Archive): Update declarations.
6278         (Archive::file): New const method.
6279         (class Add_archive_symbols): Add mapfile_ field.  Update
6280         constructor.  Change all callers.
6281         * readsyms.h (class Read_symbols): Likewise.
6282         (class Finish_group): Likewise.
6283         (class Read_script): Likewise.
6284         * common.cc: Include "mapfile.h".
6285         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6286         all callers.
6287         (Symbol_table::do_allocate_commons): Likewise.
6288         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6289         symbol allocation to mapfile.
6290         * common.h (class Allocate_commons_task): Add mapfile_ field.
6291         Update constructor.  Change all callers.
6292         * symtab.h (class Symbol_table): Update declarations.
6293         * layout.cc: Include "mapfile.h".
6294         (Layout_task_runner::run): Print information to mapfile.
6295         (Layout::create_gold_note): Change Output_data_fixed_space to
6296         Output_data_zero_fill.
6297         (Layout::create_build_id): Likewise.
6298         (Layout::print_to_mapfile): New function.
6299         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6300         constructor.  Change caller.
6301         (class Layout): Declare print_to_mapfile.
6302         * output.cc (Output_section::Input_section::print_to_mapfile): New
6303         function.
6304         (Output_section::add_input_section): If producing a map, always
6305         add to input_sections_ list.
6306         (Output_section::do_print_to_mapfile): New function.
6307         (Output_segment::print_sections_to_mapfile): New function.
6308         (Output_segment::print_section_list_to_mapfile): New function.
6309         * output.h: Include "mapfile.h".
6310         (Output_data::print_to_mapfile): New function.
6311         (Output_data::do_print_to_mapfile): New virtual function.
6312         (Output_segment_headers::do_print_to_mapfile): New function.
6313         (Output_file_header::do_print_to_mapfile): New function.
6314         (Output_data_const::do_print_to_mapfile): New function.
6315         (class Output_data_const_buffer): Add map_name_ field.  Update
6316         constructor.  Change all callers.  Add do_print_to_mapfile
6317         function.
6318         (class Output_data_fixed_space): Likewise.
6319         (class Output_data_space): Likewise.
6320         (class Output_data_zero_fill): New class.
6321         (Output_data_strtab::do_print_to_mapfile): New function.
6322         (Output_data_reloc_base::do_print_to_mapfile): New function.
6323         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6324         (Output_data_group::do_print_to_mapfile): New function.
6325         (Output_data_got::do_print_to_mapfile): New function.
6326         (Output_data_dynamic::do_print_to_mapfile): New function.
6327         (Output_symtab_xindex::do_print_to_mapfile): New function.
6328         (class Output_section): Declare do_print_to_mapflie.  Declare
6329         print_to_mapfile in Input_section.
6330         (class Output_segment): Declare new functions.
6331         * object.h (Sized_relobj::symbol_count): New function.
6332         * script-sections.cc
6333         (Output_section_element_dot_assignment::set_section_addresses):
6334         Change Output_data_fixed_space to Output_data_zero_fill.
6335         (Output_data_expression::do_print_to_mapfile): New function.
6336         * script.cc (read_input_script): Add mapfile parameter.  Change
6337         all callers.
6338         * script.h (read_input_script): Update declaration.
6339         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6340         (Eh_frame::do_print_to_mapfile): New function.
6341         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6342         (Output_merge_string::do_print_to_mapfile): New function.
6343         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6344         function.
6345         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6346         function.
6347         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6348         function.
6349         * Makefile.am (CCFILES): Add mapfile.cc.
6350         (HFILES): Add mapfile.h.
6351         * Makefile.in: Rebuild.
6353 2008-05-19  Ian Lance Taylor  <iant@google.com>
6355         * options.h (class General_options): Add -z relro.
6356         * layout.cc (Layout::Layout): Initialize relro_segment_.
6357         (Layout::add_output_section_data): Return the output section.
6358         (Layout::make_output_section): Rcognize relro sections and mark
6359         them appropriately.
6360         (Layout::attach_allocated_section_to_segment): Put relro sections
6361         in a PT_GNU_RELRO segment.
6362         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6363         section as relro.
6364         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6365         PT_TLS segments.
6366         (Layout::linkonce_mapping): Map d.rel.ro.local to
6367         .data.rel.ro.local.
6368         (Layout::output_section_name): Us .data.rel.ro.local for any
6369         section which begins with that.
6370         * layout.h (class Layout): Update add_output_section_data
6371         declaration.  Add relro_segment_ field.
6372         * output.cc (Output_section::Output_section): Initialize is_relro_
6373         and is_relro_local_ fields.
6374         (Output_segment::add_output_section): Group relro sections.
6375         (Output_segment::is_first_section_relro): New function.
6376         (Output_segment::maximum_alignment): If there is a relro section,
6377         align the segment to the common page size.
6378         (Output_segment::set_section_addresses): Track whether we are
6379         looking at relro sections.  If the last section is a relro
6380         section, align to the common page size.
6381         (Output_segment::set_section_list_addresses): Add in_relro
6382         parameter.  Change all callers.  Align to the page size when
6383         moving from relro to non-relro section.
6384         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6385         segment.
6386         * output.h (class Output_section): Add is_relro_ and
6387         is_relro_local_ fields.
6388         (Output_section::is_relro): New function.
6389         (Output_section::set_is_relro): New function.
6390         (Output_section::is_relro_local): New function.
6391         (Output_section::set_is_relro_local): New function.
6392         (class Output_segment): Update declarations.
6393         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6394         * sparc.cc (Target_sparc::got_section): Likewise.
6395         * x86_64.cc (Target_x86_64::got_section): Likewise.
6396         * testsuite/relro_test_main.cc: New file.
6397         * testsuite/relro_test.cc: New file.
6398         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6399         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6400         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6401         (relro_test.so, relro_test_pic.o): New targets.
6402         * testsuite/Makefile.in: Rebuild.
6404 2008-05-16  Ian Lance Taylor  <iant@google.com>
6406         * output.cc (Output_segment::add_output_section): Remove front
6407         parameter.
6408         * output.h (class Output_segment): Remove
6409         add_initial_output_section and overloaded add_output_section.
6410         Update declaration of remaining add_output_section.
6411         * layout.cc (Layout::create_interp): Call add_output_section
6412         rather than add_initial_output_section.
6413         (Layout::finish_dynamic_section): Likewise.
6415         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6416         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6417         know the dynamic type.
6418         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6419         field.  Initialize it in constructor.
6420         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6421         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6422         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6423         reloc.
6425         * output.cc (Output_reloc::get_address): Change return type to
6426         Elf_Addr.
6427         * output.h (class Output_reloc): Update get_address declaration.
6428         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6429         for section addresses.
6431 2008-05-09  Ian Lance Taylor  <iant@google.com>
6433         PR 6493
6434         * gold.cc (gold_nomem): Use return value of write.
6436 2008-05-08  Ian Lance Taylor  <iant@google.com>
6438         * symtab.c (Symbol::init_base_output_data): Add version
6439         parameter.  Change all callers.
6440         (Symbol::init_base_output_segment): Likewise.
6441         (Symbol::init_base_constant): Likewise.
6442         (Symbol::init_base_undefined): Likewise.
6443         (Sized_symbol::init_output_data): Likewise.
6444         (Sized_symbol::init_output_segment): Likewise.
6445         (Sized_symbol::init_constant): Likewise.
6446         (Sized_symbol::init_undefined): Likewise.
6447         (Symbol_table::do_define_in_output_data): If the new symbol has a
6448         version, mark it as the default.
6449         (Symbol_table::do_define_in_output_segment): Likewise.
6450         (Symbol_table::do_define_as_constant): Likewise.
6451         * symtab.h (class Symbol): Update declarations.
6452         (class Sized_symbol): Likewise.
6453         * resolve.cc (Symbol::override_version): New function.
6454         (Symbol::override_base): Call override_version.
6455         (Symbol::override_base_with_special): Likewise.
6456         * testsuite/ver_script_8.script: New file.
6457         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6458         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6459         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6460         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6462 2008-05-06  Ian Lance Taylor  <iant@google.com>
6464         PR 6049
6465         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6466         functions.
6467         (class General_options): Remove existing --undefined, and add
6468         --no-undefined instead.  Add new --undefined as synonym for -u.
6469         * archive.cc (Archive::add_symbols): Check whether symbol was
6470         named with -u.
6471         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6472         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6473         all uses.  Add IS_UNDEFINED.  Update declarations to split
6474         different versions of init_base.  Declare init_base_undefined.
6475         (Symbol::is_defined): Handle IS_UNDEFINED.
6476         (Symbol::is_undefined): Likewise.
6477         (Symbol::is_weak_undefined): Call is_undefined.
6478         (Symbol::is_absolute): Handle IS_CONSTANT.
6479         (class Sized_symbol): Update declarations to split different
6480         versions of init.  Declare init_undefined.
6481         (class Symbol_table): Declare new functions.
6482         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6483         Change all callers.
6484         (Symbol::init_base_output_data): Likewise.
6485         (Symbol::init_base_output_segment): Likewise.
6486         (Symbol::init_base_constant): Likewise.
6487         (Symbol::init_base_undefined): New function.
6488         (Sized_symbol::init_object): Rename from init.  Change all
6489         callers.
6490         (Sized_symbol::init_output_data): Likewise.
6491         (Sized_symbol::init_output_segment): Likewise.
6492         (Sized_symbol::init_constant): Likewise.
6493         (Sized_symbol::init_undefined): New function.
6494         (Symbol_table::add_undefined_symbols_from_command_line): New
6495         function.
6496         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6497         function.
6498         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6499         (Symbol::output_section): Likewise.
6500         (Symbol::set_output_section): Likewise.
6501         (Symbol_table::sized_finalize_symbol): Likewise.
6502         (Symbol_table::sized_write_globals): Likewise.
6503         * resolve.cc (Symbol_table::should_override): Likewise.
6504         (Symbol::override_base_with_special): Likewise.
6506         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6507         symbol, change it to have default visibility.
6508         * testsuite/protected_1.cc: New file.
6509         * testsuite/protected_2.cc: New file.
6510         * testsuite/protected_3.cc: New file.
6511         * testsuite/protected_main_1.cc: New file.
6512         * testsuite/protected_main_2.cc: New file.
6513         * testsuite/protected_main_3.cc: New file.
6514         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6515         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6516         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6517         (protected_1.so): New target.
6518         (protected_1_pic.o, protected_2_pic.o): New targets.
6519         (protected_3_pic.o): New target.
6520         (check_PROGRAMS): Add protected_2.
6521         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6522         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6523         * testsuite/Makefile.in: Rebuild.
6525         * options.h (DEFINE_var): Add set_user_set_##varname__.
6526         (DEFINE_bool_alias): New macro.
6527         (class General_options): Define -Bstatic using DEFINE_bool_alias
6528         rather than DEFINE_special.  Add --undefined as an alias for -z
6529         defs.
6530         * options.cc (General_options::parse_Bstatic): Remove.
6532         * options.h (class General_options): Add --fatal-warnings.
6533         * main.cc (main): Implement --fatal-warnings.
6534         * errors.h (Errors::warning_count): New function.
6536         * options.h (class General_options): Add -Bsymbolic-functions.
6537         * symtab.h (Symbol::is_preemptible): Check for
6538         -Bsymbolic-functions.
6540 2008-05-05  Ian Lance Taylor  <iant@google.com>
6542         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6543         as noVARNAME rather than no-VARNAME.
6544         (class General_options): Add option -z combreloc.
6545         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6546         get_address.
6547         (Output_reloc::sort_before) [SHT_REL]: New function.
6548         (Output_reloc::sort_before) [SHT_RELA]: New function.
6549         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6550         Sort_relocs_comparison.
6551         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6552         parameter.  Change all callers.
6553         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6554         sort_relocs parameter.  Change all callers.
6555         * output.cc (Output_reloc::get_address): New function, broken out
6556         of write_rel.
6557         (Output_reloc::write_rel): Call it.
6558         (Output_reloc::compare): New function.
6559         (Output_data_reloc_base::do_write): Optionally sort relocs.
6561         * configure.ac: If targ_extra_obj is set, link it in.
6562         * configure.tgt: Initialize all variables.
6563         (x86_64*): Set targ_extra_obj and targ_extra_size.
6564         * configure: Rebuild.
6566         * object.cc (Sized_relobj::include_section_group): Adjust section
6567         indexes read from group data.  Build vector to pass to
6568         layout_group.
6569         * layout.cc (Layout::layout_group): Add flags and shndxes
6570         parameters.  Remove contents parameter.  Change caller.  Update
6571         explicit instantiations.
6572         * layout.h (class Layout): Update layout_group declaration.
6573         * output.cc (Output_data_group::Output_data_group): Add flags and
6574         input_shndxes parameters.  Remove contents parameter.  Change
6575         caller.
6576         (Output_data_group::do_write): Change input_sections_ to
6577         input_shndxes_.
6578         * output.h (class Output_data_group): Update constructor
6579         declaration.  Rename input_sections_ to input_shndxes_.
6580         * testsuite/many_sections_test.cc: Add template.
6582 2008-04-30  Cary Coutant  <ccoutant@google.com>
6584         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6586         * layout.cc (Layout::include_section): Refactored check for debug
6587         info section.
6588         (Layout::add_comdat): Add new parameters.  Change type
6589         of signature parameter.  Add object and shndx to signatures table.
6590         (Layout::find_kept_object): New function.
6591         * layout.h: Include <cstring>.
6592         (Layout::is_debug_info_section): New function.
6593         (Layout::add_comdat): Add new parameters.
6594         (Layout::find_kept_object): New function.
6595         (Layout::Kept_section): New struct.
6596         (Layout::Signatures): Change type of map range.
6597         * object.cc (Relobj::output_section_address): New function.
6598         (Sized_relobj::include_section_group): Add new parameters.  Change
6599         calls to Layout::add_comdat.  Change to build table of kept comdat
6600         groups and table mapping discarded sections to kept sections.
6601         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6602         (Sized_relobj::do_layout): Change calls to include_section_group and
6603         include_linkonce_section.
6604         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6605         value to zero when section is discarded.
6606         (Sized_relobj::map_to_kept_section): New function.
6607         * object.h (Relobj::output_section_address): New function.
6608         (Relobj::Comdat_group): New type.
6609         (Relobj::find_comdat_group): New function.
6610         (Relobj::Comdat_group_table): New type.
6611         (Relobj::Kept_comdat_section): New type.
6612         (Relobj::Kept_comdat_section_table): New type.
6613         (Relobj::add_comdat_group): New function.
6614         (Relobj::set_kept_comdat_section): New function.
6615         (Relobj::get_kept_comdat_section): New function.
6616         (Relobj::comdat_groups_): New field.
6617         (Relobj::kept_comdat_sections_): New field.
6618         (Symbol_value::input_value): Update comment.
6619         (Sized_relobj::map_to_kept_section) New function.
6620         (Sized_relobj::include_linkonce_section): Add new parameter.
6621         * target-reloc.h (Comdat_behavior): New type.
6622         (get_comdat_behavior): New function.
6623         (relocate_section): Add code to map a discarded section to the
6624         corresponding kept section when applying a relocation.
6626 2008-04-30  Craig Silverstein  <csilvers@google.com>
6628         * dwarf_reader.cc (next_generation_count): New static var.
6629         (Addr2line_cache_entry): New struct.
6630         (addr2line_cache): New static var.
6631         (Dwarf_line_info::one_addr2line): Added caching.
6632         (Dwarf_line_info::clear_addr2line_cache): New function.
6633         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6634         cache-size parameter.
6635         (Dwarf_line_info::one_addr2line_cache): New function.
6636         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6637         new cache-size argument to one_addr2line(), and clear cache.
6639 2008-04-28  Cary Coutant  <ccoutant@google.com>
6641         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6642         R_386_PC8 relocations.
6644 2008-04-23  Ian Lance Taylor  <iant@google.com>
6646         * object.cc (Sized_relobj::include_section_group): Check for
6647         invalid section group.
6649         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6650         header size.
6652         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6653         than read for file header.
6654         * archive.cc (Archive::include_member): Likewise.
6656 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6658         * aclocal.m4: Regenerate.
6659         * configure: Regenerate.
6661 2008-04-19  Ian Lance Taylor  <iant@google.com>
6663         * version.cc (version_string): Bump to 1.6.
6665         * testsuite/Makefile.am (many_sections_r_test): New target.
6666         (many_sections_r_test_SOURCES): Remove.
6667         (many_sections_r_test_DEPENDENCIES): Remove.
6668         (many_sections_r_test_LDFLAGS): Remove.
6669         (many_sections_r_test_LDADD): Remove.
6671         * object.cc (Sized_relobj::do_add_symbols): Always pass
6672         local_symbol_count_ to add_from_relobj.
6674         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6675         every thousand variables.
6676         * testsuite/Makefile.in: Rebuild.
6678         * object.cc (Xindex::initialize_symtab_xindex): New function.
6679         (Xindex::read_symtab_xindex): New function.
6680         (Xindex::sym_xindex_to_shndx): New function.
6681         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6682         available.
6683         (Sized_relobj::do_initialize_xindex): New function.
6684         (Sized_relobj::do_read_symbols): Adjust section links.
6685         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6686         parameter.  Change all callers.
6687         (Sized_relobj::include_section_group): Adjust section links and
6688         symbol section indexes.
6689         (Sized_relobj::do_layout): Adjust section links.
6690         (Sized_relobj::do_count_local_symbols): Adjust section links and
6691         symbol section indexes.
6692         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6693         ordinary and special symbols.
6694         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6695         dynsym_xindex parameters.  Change all callers.  Adjust section
6696         links.  Use SHN_XINDEX when needed.
6697         (Sized_relobj::get_symbol_location_info): Adjust section links.
6698         Don't get fooled by special symbols.
6699         * object.h (class Xindex): Define.
6700         (class Object): Add xindex_ parameter.  Declare virtual functoin
6701         do_initialize_xindex.
6702         (Object::adjust_sym_shndx): New function.
6703         (Object::set_xindex): New protected function.
6704         (class Symbol_value): Add is_ordinary_shndx_ field.
6705         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6706         (Symbol_value::value): Assert ordinary section.
6707         (Symbol_value::initialize_input_to_output_map): Likewise.
6708         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6709         Change all callers.
6710         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6711         all callers.
6712         (class Sized_relobj): Update declarations.
6713         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6714         parameter.  Change all callers.
6715         (Sized_relobj::adjust_shndx): New function.
6716         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6717         field.
6718         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6719         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6720         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6721         (Sized_dynobj::read_dynsym_section): Adjust section links.
6722         (Sized_dynobj::read_dynamic): Likewise.
6723         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6724         section links.
6725         (Sized_dynobj::do_initialize_xindex): New function.
6726         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6727         do_initialize_xindex.
6728         (Sized_dynobj::adjust_shndx): New function.
6729         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6730         dynsym_xindex_ fields.
6731         (Layout::finalize): Add a call to set_section_indexes before
6732         creating the symtab sections.
6733         (Layout::set_section_indexes): Don't do anything if the section
6734         already has a section index.
6735         (Layout::create_symtab_sections): Add shnum parameter.  Change
6736         caller.  Create .symtab_shndx section if needed.
6737         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6738         caller.
6739         (Layout::allocated_output_section_count): New function.
6740         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6741         needed.
6742         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6743         fields.  Update declarations.
6744         (Layout::symtab_xindex): New function.
6745         (Layout::dynsym_xindex): New function.
6746         (class Write_symbols_task): Add layout_ field.
6747         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6748         Change caller.
6749         * output.cc (Output_section_headers::Output_section_headers): Add
6750         shstrtab_section parameter.  Change all callers.
6751         (Output_section_headers::do_sized_write): Store overflow values
6752         for section count and section string table section index in
6753         section header zero.
6754         (Output_file_header::do_sized_write): Check for overflow of
6755         section count and section string table section index.
6756         (Output_symtab_xindex::do_write): New function.
6757         (Output_symtab_xindex::endian_do_write): New function.
6758         * output.h (class Output_section_headers): Add shstrtab_section_.
6759         Update declarations.
6760         (class Output_symtab_xindex): Define.
6761         (Output_section::has_out_shndx): New function.
6762         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6763         field.
6764         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6765         Change all callers.
6766         (Sized_symbol::init): Likewise.
6767         (Symbol::output_section): Check for ordinary symbol.
6768         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6769         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6770         callers.
6771         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6772         Change all callers.  Simplify handling of symbols from sections
6773         not included in the link.
6774         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6775         distinction.
6776         (Weak_alias_sorter::operator()): Assert that symbols are
6777         ordinary.
6778         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6779         distinction.
6780         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6781         parameters.  Change all callers.
6782         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6783         symbol distinction.  Use SHN_XINDEX when needed.
6784         (Symbol_table::write_section_symbol): Add symtab_xindex
6785         parameter.  Change all callers.
6786         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6787         SHN_XINDEX when needed.
6788         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6789         declarations.
6790         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6791         (Symbol::is_defined): Check is_ordinary.
6792         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6793         (Symbol::is_absolute, Symbol::is_common): Likewise.
6794         (class Sized_symbol): Update declarations.
6795         (class Symbol_table): Update declarations.
6796         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6797         parameters.  Change all callers.
6798         (Sized_symbol::override): Likewise.
6799         (Symbol_table::override): Likewise.
6800         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6801         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
6802         is_ordinary, and orig_st_shndx parameters.  Change all callers.
6803         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6804         to be in an ordinary section.
6805         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6806         object and is_ordinary parameters.  Change all callers.
6807         (Sized_dwarf_line_info::read_relocs): Add object parameter.
6808         Change all callers.  Don't add undefined or non-ordinary symbols
6809         to reloc_map_.
6810         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6811         Change all callers.
6812         * dwarf_reader.h (class Sized_dwarf_line_info): Update
6813         declarations.
6814         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6815         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6816         (Sized_relobj::relocate_sections): Likewise.
6817         * target-reloc.h (scan_relocs): Adjust section symbol index.
6818         (scan_relocatable_relocs): Likewise.
6819         * i386.cc (Scan::local): Check for ordinary symbols.
6820         * sparc.cc (Scan::local): Likewise.
6821         * x86_64.cc (Scan::local): Likewise.
6822         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6823         to symbol_section_and_value.
6824         * testsuite/many_sections_test.cc: New file.
6825         * testsuite/Makefile.am (BUILT_SOURCES): Define.
6826         (check_PROGRAMS): Add many_sections_test.
6827         (many_sections_test_SOURCES): Define.
6828         (many_sections_test_DEPENDENCIES): Define.
6829         (many_sections_test_LDFLAGS): Define.
6830         (BUILT_SOURCES): Add many_sections_define.h.
6831         (many_sections_define.h): New target.
6832         (BUILT_SOURCES): Add many_sections_check.h.
6833         (many_sections_check.h): New target.
6834         (check_PROGRAMS): Add many_sections_r_test.
6835         (many_sections_r_test_SOURCES): Define.
6836         (many_sections_r_test_DEPENDENCIES): Define.
6837         (many_sections_r_test_LDFLAGS): Define.
6838         (many_sections_r_test_LDADD): Define.
6839         (many_sections_r_test.o): New target.
6840         * testsuite/Makefile.in: Rebuild.
6842 2008-04-17  Cary Coutant  <ccoutant@google.com>
6844         * errors.cc (Errors::info): New function.
6845         (gold_info): New function.
6846         * errors.h (Errors::info): New function.
6847         * gold.h (gold_info): New function.
6848         * object.cc (Input_objects::add_object): Print trace output.
6849         * options.cc (options::parse_set): New function.
6850         (General_options::parse_wrap): Deleted.
6851         (General_options::General_options): Deleted initializer.
6852         * options.h (options::String_set): New typedef.
6853         (options::parse_set): New function.
6854         (DEFINE_set): New macro.
6855         (General_options::wrap): Changed to use DEFINE_set. Changed
6856         callers of any_wrap_symbols and is_wrap_symbol.
6857         (General_options::trace, General_options::trace_symbol):
6858         New options.
6859         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6860         (General_options::wrap_symbols_): Deleted.
6861         * symtab.cc (Symbol_table::add_from_object): Print trace output.
6863 2008-04-17  David S. Miller  <davem@davemloft.net>
6865         * options.cc (General_options::parse_V): New function.
6866         * options.h: Add entries for -V and -Qy.
6868 2008-04-17  Ian Lance Taylor  <iant@google.com>
6870         * common.cc (Symbol_table::allocate_commons): Remove options
6871         parameter.  Change caller.
6872         (Symbol_table::do_allocate_commons): Remove options parameter.
6873         Change caller.  Just call do_allocate_commons_list twice.
6874         (Symbol_table::do_allocate_commons_list): New function, broken out
6875         of do_allocate_commons.
6876         * common.h (class Allocate_commons_task): Remove options_ field.
6877         Update constructor.
6878         * symtab.cc (Symbol_table::Symbol_table): Initialize
6879         tls_commons_.
6880         (Symbol_table::add_from_object): Put TLS common symbols on
6881         tls_commons_ list.
6882         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6883         which are IN_OUTPUT_DATA.
6884         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
6885         allocate_commons and do_allocate_commons declarations.  Declare
6886         do_allocate_commons_list.
6887         * gold.cc (queue_middle_tasks): Update creation of
6888         Allocate_commons_task to not pass options.
6889         * testsuite/Makefile.am (INCLUDES): Add -I.. .
6890         (TLS_TEST_C_FLAGS): New variable.
6891         (tls_test_c_pic.o): New target.
6892         (tls_test_shared.so): Link in tls_test_c_pic.o.
6893         (tls_test_c_pic_ie.o): New target.
6894         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6895         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6896         (tls_test_c.o): New target.
6897         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6898         (tls_pic_test_LDADD): Likewise.
6899         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6900         (tls_shared_gd_to_ie_test_LDADD): Likewise.
6901         (tls_test_c_gnu2.o): New target.
6902         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6903         tls_test_c_gnu2.o.
6904         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6905         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6906         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6907         * testsuite/tls_test.cc: Include "config.h".
6908         (t_last): Call t11_last.
6909         * testsuite/tls_test.h (t11, t11_last): Declare.
6910         * testsuite/tls_test_c.c: New file.
6911         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6912         * configure.ac: Check for OpenMP support.
6913         * configure, config.in, Makefile.in: Rebuild.
6914         * testsuite/Makefile.in: Rebuild.
6916 2008-04-16  Cary Coutant  <ccoutant@google.com>
6918         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6919         (Target_i386::tls_base_symbol_defined_): New field.
6920         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6921         (Target_i386::Scan::global): Likewise.
6922         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6923         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6924         (Target_x86_64::tls_base_symbol_defined_): New field.
6925         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6926         (Target_x86_64::Scan::global): Likewise.
6928 2008-04-16  Cary Coutant  <ccoutant@google.com>
6930         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6931         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6932         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6933         building shared libraries.
6934         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6935         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6936         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6937         * testsuite/Makefile.in: Rebuild.
6938         * testsuite/weak_undef.h: New file.
6939         * testsuite/weak_undef_file1.cc: Add extra test cases.
6940         * testsuite/weak_undef_file2.cc: Likewise.
6941         * testsuite/weak_undef_test.cc: Likewise.
6943 2008-04-16  David S. Miller  <davem@davemloft.net>
6945         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6946         Add issued_non_pic_error_ field.  Declare check_non_pic.
6947         (Target_sparc::Scan::check_non_pic): New function.
6948         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6949         (Target_sparc::Scan::global): Likewise.
6951         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6952         * configure: Rebuild.
6954         * options.h (DEFINE_enable): New macro.
6955         (new_dtags): New enable option.
6956         (initfirst, interpose, loadfltr, nodefaultlib,
6957         nodelete, nodlopen, nodump): New -z options.
6958         * layout.cc (Layout:finish_dynamic_section): If new
6959         dtags enabled, emit DT_RUNPATH.  Also, emit a
6960         DT_FLAGS_1 containing any specified -z flags.
6962 2008-04-16  Ian Lance Taylor  <iant@google.com>
6964         * copy-relocs.cc: New file.
6965         * copy-relocs.h: New file.
6966         * reloc.cc: Remove Copy_relocs code.
6967         * reloc.h: Likewise.
6968         * reloc-types.h (struct Reloc_types) [both versions]: Add
6969         get_reloc_addend_noerror.
6970         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6971         variants of add_global which take an addend which must be zero.
6972         * i386.cc: Include "copy-relocs.h".
6973         (class Target_i386): Change type of copy_relocs_ to variable,
6974         update initializer.
6975         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6976         Change all callers.
6977         (Target_i386::do_finalize_sections): Change handling of
6978         copy_relocs_.
6979         * sparc.cc: Include "copy-relocs.h".
6980         (class Target_sparc): Change type of copy_relocs_ to variable,
6981         update initializer.
6982         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6983         Change all callers.
6984         (Target_sparc::do_finalize_sections): Change handling of
6985         copy_relocs_.
6986         * x86_64.cc: Include "copy-relocs.h".
6987         (class Target_x86_64): Change type of copy_relocs_ to variable,
6988         update initializer.
6989         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6990         class.  Change all callers.
6991         (Target_x86_64::do_finalize_sections): Change handling of
6992         copy_relocs_.
6993         * Makefile.am (CCFILES): Add copy-relocs.cc.
6994         (HFILES): Add copy-relocs.h.
6996         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6998         * testsuite/script_test_4.sh: Permit leading zeroes.
7000 2008-04-15  Ian Lance Taylor  <iant@google.com>
7002         * script-sections.cc (Script_sections::create_segments): Use
7003         header_size_adjustment even when there is enough room for the
7004         headers.
7005         * testsuite/script_test_4.sh: New file.
7006         * testsuite/script_test_4.t: New file.
7007         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7008         (check_DATA): Add script_test_4.stdout.
7009         (MOSTLYCLEANFILES): Likewise.
7010         (script_test_4): New target.
7011         (script_test_4.stdout): New target.
7012         * testsuite/Makefile.in: Rebuild.
7014         * sparc.cc: Add definitions for Output_data_plt_sparc class
7015         constants.
7017 2008-04-14  David S. Miller  <davem@davemloft.net>
7019         * sparc.cc: New file.
7020         * Makefile.am (TARGETSOURCES): Add sparc.cc
7021         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7022         * configure.tgt: Document targ_extra_size and
7023         targ_extra_big_endian.  Add entries for sparc-* and
7024         sparc64-*.
7025         * configure.ac: Handle targ_extra_size and
7026         targ_extra_big_endian.
7027         * Makefile.in: Rebuild.
7028         * configure: Likewise.
7029         * po/POTFILES.in: Likewise.
7030         * po/gold.pot: Likewise.
7032 2008-04-14  Ian Lance Taylor  <iant@google.com>
7034         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7035         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7036         in the name/type/flags to section mapping.  Don't call
7037         allocate_output_section.
7038         (Layout::choose_output_section): Change parameter from adjust_name
7039         to is_input_section.  Don't permit input sections after sections
7040         are attached to segments.  Don't call allocate_output_section.
7041         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7042         not write_enable_output_section.
7043         (Layout::make_output_section): Don't push to
7044         unattached_section_list_ nor call attach_to_segment.  Call
7045         attach_section_to_segment if sections are attached.
7046         (Layout::attach_sections_to_segments): New function.
7047         (Layout::attach_section_to_segment): New function.
7048         (Layout::attach_allocated_section_to_segment): Rename from
7049         attach_to_segment.  Remove flags parameter.
7050         (Layout::allocate_output_section): Remove function.
7051         (Layout::write_enable_output_section): Remove function.
7052         * layout.h (class Layout): Update for above changes.  Add new
7053         field sections_are_attached_.
7054         * output.h (Output_section::update_flags_for_input_section): New
7055         function.
7056         * output.cc (Output_section::add_input_section): Call
7057         update_flags_for_input_section.
7058         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7060 2008-04-11  Cary Coutant  <ccoutant@google.com>
7062         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7063         thought unnecessary.
7064         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7066 2008-04-11  Ian Lance Taylor  <iant@google.com>
7068         * output.h (class Output_section_data): Remove inline definition
7069         of set_addralign.
7070         * output.cc (Output_section_data::set_addralign): New function.
7072 2008-04-11  Cary Coutant  <ccoutant@google.com>
7074         Add support for TLS descriptors for i386 and x86_64.
7075         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7076         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7077         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7078         GOT_TYPE_TLS_DESC.
7079         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7080         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7081         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7082         relocations.
7083         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7084         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7085         Fix problem with initial-exec relocations.
7086         (Target_i386::Relocate::relocate_tls): Likewise.
7087         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7088         relaxation.
7089         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7090         support for section-plus-offset dynamic table entries.
7091         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7092         (Output_data_dynamic::Dynamic_entry): Add support for
7093         section-plus-offset dynamic table entries.
7094         (Output_data_dynamic::Classification): Likewise.
7095         (Output_data_dynamic::classification_): Renamed offset_.
7096         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7097         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7098         (Target_x86_64::make_plt_section): New function.
7099         (Target_x86_64::reserve_tlsdesc_entries): New function.
7100         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7101         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7102         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7103         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7104         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7105         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7106         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7107         add extra PLT entry for TLS descriptors.
7108         (Output_data_plt_x86_64::got_): New field.
7109         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7110         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7111         fields.
7112         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7113         descriptors.
7114         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7115         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7116         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7117         R_386_TLS_DESC_CALL relocations.
7118         (Target_x86_64::Scan::global): Likewise.
7119         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7120         for TLS descriptors.
7121         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7122         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7123         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7124         GD-to-IE relaxation.
7125         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7126         and TLS_DESCRIPTORS.
7127         * Makefile.in: Rebuild.
7128         * configure: Rebuild.
7129         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7130         (tls_test_shared2.so): New target.
7131         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7132         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7133         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7134         (tls_shared_gd_to_ie_test_LDADD): New variable.
7135         (tls_shared_gnu2_gd_to_ie_test): New target.
7136         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7137         New targets.
7138         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7139         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7140         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7141         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7142         (tls_shared_gnu2_test): New target.
7143         (tls_test_gnu2_shared.so): New target.
7144         (tls_shared_gnu2_test_SOURCES): New variable.
7145         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7146         (tls_shared_gnu2_test_LDFLAGS): New variable.
7147         (tls_shared_gnu2_test_LDADD): New variable.
7148         * testsuite/Makefile.in: Rebuild.
7149         * testsuite/Makefile.
7151 2008-04-11  Ian Lance Taylor  <iant@google.com>
7153         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7154         justsyms.t.
7155         * testsuite/Makefile.in: Rebuild.
7157         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7158         long.
7159         * testsuite/script_test_2.cc (main): Adjust test.
7161 2008-04-11  David S. Miller  <davem@davemloft.net>
7162             Ian Lance Taylor  <iant@google.com>
7164         * options.h (General_options): Add entries for '-Y' and
7165         '-relax'.
7166         * options.cc (General_options:finalize): If -Y was used, add those
7167         entries to the library path instead of the default "/lib" and
7168         "/usr/lib".
7170 2008-04-11  David S. Miller  <davem@davemloft.net>
7172         * testsuite/justsyms.t: Start at 0x100.
7173         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7174         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7175         long.
7176         * testsuite/script_test_2.cc: Adjust string and section length
7177         checks.
7179 2008-04-09  Ian Lance Taylor  <iant@google.com>
7181         PR gold/5996
7182         * script-sections.cc (Sections_element::allocate_to_segment): Add
7183         orphan parameter.
7184         (Output_section_definition::allocate_to_segment): Likewise.
7185         (Orphan_output_section::allocate_to_segment): Likewise.
7186         (Script_sections::attach_sections_using_phdrs_clause): Don't
7187         propagate non-PT_LOAD segments to orphan sections.
7188         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7189         readelf rather than objdump.
7190         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7191         .interp section and PT_INTERP segment are the same size.
7192         * testsuite/Makefile.in: Rebuild.
7194         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7195         aliases for symbols defined in the same object.
7196         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7197         (weak_alias_test_SOURCES): New variable.
7198         (weak_alias_test_DEPENDENCIES): New variable.
7199         (weak_alias_test_LDFLAGS): New variable.
7200         (weak_alias_test_LDADD): New variable.
7201         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7202         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7203         (weak_alias_test_3.o): New target.
7204         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7205         * testsuite/weak_alias_test_main.cc: New file.
7206         * testsuite/weak_alias_test_1.cc: New file.
7207         * testsuite/weak_alias_test_2.cc: New file.
7208         * testsuite/weak_alias_test_3.cc: New file.
7210 2008-04-08  Ian Lance Taylor  <iant@google.com>
7212         * options.h (class General_options): Add --noinhibit-exec option.
7213         * main.cc (main): Check --noinhibit-exec.
7215         * options.h (class General_options): Define --wrap as a special
7216         option.  Add wrap_symbols_ field.
7217         (General_options::any_wrap_symbols): New function.
7218         (General_options::is_wrap_symbol): New function.
7219         * options.cc (General_options::parse_wrap): New function.
7220         (General_options::General_options): Initialize wrap_symbols_.
7221         * symtab.cc (Symbol_table::wrap_symbol): New function.
7222         (Symbol_table::add_from_object): Handle --wrap.
7223         * symtab.h (class Symbol_table): Declare wrap_symbol.
7224         * target.h (Target::wrap_char): New function.
7225         (Target::Target_info): Add wrap_char field.
7226         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7227         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7228         * testsuite/testfile.cc (Target_test::test_target_info):
7229         Likewise.
7231         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7232         there is one.
7234         * layout.h (class Layout): Add added_eh_frame_data_ field.
7235         * layout.cc (Layout::Layout): Initialize new field.
7236         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7237         output section until we find a section we merged successfully.
7238         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7239         that the size be non-zero.
7241         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7242         qualifier.
7244 2008-04-08  Craig Silverstein  <csilvers@google.com>
7246         * configure.ac: Export new conditional variable HAVE_ZLIB.
7247         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7248         on HAVE_ZLIB.
7249         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7250         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7252 2008-04-07  Ian Lance Taylor  <iant@google.com>
7254         * version.cc (version_string): Set to "1.5".
7256         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7257         Add issued_non_pic_error_ field.  Declare check_non_pic.
7258         (Target_x86_64::Scan::check_non_pic): New function.
7259         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7260         (Target_x86_64::Scan::global): Likewise.
7262         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7263         addend parameter.  Change caller.  Handle merge sections.
7264         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7265         Address to Addend.  Don't add in the result of
7266         local_section_offset, pass down the addend and use the returned
7267         value.
7268         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7269         Update declarations of local_section_offset and symbol_value.
7270         * testsuite/two_file_test_1.cc (t18): New function.
7271         * testsuite/two_file_test_2.cc (f18): New function.
7272         * testsuite/two_file_test_main.cc (main): Call t18.
7273         * testsuite/two_file_test.h (t18, f18): Declare.
7275         * configure.ac: Don't test for objdump, c++filt, or readelf.
7276         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7277         conditionals.
7278         (TEST_READELF): New variable.
7279         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7280         (check_PROGRAMS): Add two_file_strip_test.
7281         (two_file_strip_test): New target.
7282         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7283         (two_file_same_shared_strip_test_SOURCES): New variable.
7284         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7285         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7286         (two_file_same_shared_strip_test_LDADD): New variable.
7287         (two_file_shared_strip.so): New target.
7288         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7289         (ver_test_5.syms, ver_test_7.syms): Likewise.
7290         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7291         (strip_test_3.stdout): Use TEST_OBJDUMP.
7292         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7294 2008-04-04  Cary Coutant  <ccoutant@google.com>
7296         * symtab.h (Symbol::is_weak_undefined): New function.
7297         (Symbol::is_strong_undefined): New function.
7298         (Symbol::is_absolute): New function.
7299         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7300         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7301         absolute symbols.
7302         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7303         (weak_undef_test): New target.
7304         * testsuite/Makefile.in: Rebuild.
7305         * testsuite/weak_undef_file1.cc: New file.
7306         * testsuite/weak_undef_file2.cc: New file.
7307         * testsuite/weak_undef_test.cc: New file.
7309 2008-04-03  Craig Silverstein  <csilvers@google.com>
7311         * compressed_output.h (class Output_compressed_section): Use
7312         unsigned buffer.
7313         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7314         add zlib header.
7315         (zlib_compressed_suffix): Removed.
7316         (Output_compressed_section::set_final_data_size): Use unsigned
7317         buffers.
7318         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7319         Fix linker invocation.
7320         (flagstest_o_specialfile_and_compress_debug_sections):
7321         Likewise.
7322         * testsuite/Makefile.in: Regenerated.
7324 2008-04-02  David S. Miller  <davem@davemloft.net>
7326         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7327         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7329 2008-04-02  Craig Silverstein  <csilvers@google.com>
7331         * TODO: New file.
7333 2008-04-02  Ian Lance Taylor  <iant@google.com>
7335         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7336         parameters.  Update for new key type to views_.  Change all
7337         callers.
7338         (File_read::read): Adjust for byteshift in returned view.
7339         (File_read::add_view): New function, broken out of
7340         find_and_make_view.
7341         (File_read::make_view): New function, broken out of
7342         find_and_make_view.
7343         (File_read::find_or_make_view): Add offset and aligned
7344         parameters.  Rewrite accordingly.  Change all callers.
7345         (File_read::get_view): Add offset and aligned parameters.  Adjust
7346         for byteshift in return value.
7347         (File_read::get_lasting_view): Likewise.
7348         * fileread.h (class File_read): Update declarations.
7349         (class File_read::View): Add byteshift_ field.  Add byteshift to
7350         constructor.  Add byteshift method.
7351         * archive.h (Archive::clear_uncached_views): New function.
7352         (Archive::get_view): Add aligned parameter.  Change all callers.
7353         * object.h (Object::get_view): Add aligned parameter.  Change all
7354         callers.
7355         (Object::get_lasting_view): Likewise.
7357         * fileread.cc (File_read::release): Don't call clear_views if
7358         there are multiple objects.
7359         * fileread.h (File_read::clear_uncached_views): New function.
7360         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7361         on the archive.
7363 2008-03-31  Cary Coutant  <ccoutant@google.com>
7365         Add thin archive support.
7366         * archive.cc (Archive::armagt): New const.
7367         (Archive::setup): Remove task parameter and calls to unlock.
7368         (Archive::unlock_nested_archives): New function.
7369         (Archive::read_header): Add nested_off parameter. Change
7370         all callers.
7371         (Archive::interpret_header): Likewise.
7372         (Archive::include_all_members): Change to handle thin
7373         archives.
7374         (Archive::include_member): Likewise.
7375         * archive.h (Archive::Archive): Add new parameters and
7376         initializers.
7377         (Archive::armagt): New const.
7378         (Archive::setup): Remove task parameter.
7379         (Archive::unlock_nested_archives): New function.
7380         (Archive::read_header): Add nested_off parameter.
7381         (Archive::interpret_header): Likewise.
7382         (Archive::Nested_archive_table): New typedef.
7383         (Archive::is_thin_archive_): New field.
7384         (Archive::nested_archives_): New field.
7385         (Archive::options_): New field.
7386         (Archive::dirpath_): New field.
7387         (Archive::task_): New field.
7388         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7389         for thin archives.  Pass additional parameters to
7390         Archive::Archive.  Unlock the archive file after calling
7391         Archive::setup.
7393 2008-03-29  Ian Lance Taylor  <iant@google.com>
7395         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7396         version symbol to be local.
7397         * testsuite/ver_test_4.sh: New file.
7398         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7399         (check_DATA): Add ver_test_4.syms.
7400         (ver_test_4.syms): New target.
7401         * testsuite/Makefile.in: Rebuild.
7403         * output.cc
7404         (Output_section::Input_section_sort_entry::has_priority): New
7405         function.
7406         (Output_section::Input_section_sort_entry::match_file_name): New
7407         function.
7408         (Output_section::Input_section_sort_entry::match_section_name):
7409         Remove.
7410         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7411         Remove.
7412         (Output_section::Input_section_sort_entry::match_section_file):
7413         Remove.
7414         (Output_section::Input_section_sort_compare::operator()): Rewrite
7415         using new Input_section_sort_entry functions.  Sort crtbegin and
7416         crtend first.  Sort sections with no priority before sections with
7417         a priority.
7418         * testsuite/initpri1.c (d3): Check j != 4.
7419         (cd5): New constructor/destructor function.
7420         (main): Check j != 2.
7422         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7423         new symbol when resolving, don't call set_is_default.
7424         * testsuite/ver_test_7.cc: New file.
7425         * testsuite/ver_test_7.sh: New file.
7426         * testsuite/Makefile.am (ver_test_7.so): New target.
7427         (ver_test_7.o): New target.
7428         (check_SCRIPTS): Add ver_test_7.sh.
7429         (check_DATA): Add ver_test_7.syms.
7430         (ver_test_7.syms): New target.
7432 2008-03-28  Ian Lance Taylor  <iant@google.com>
7434         * layout.cc (Layout::layout): If we see an input section with a
7435         name that needs sorting, set the must_sort flag for the output
7436         section.
7437         (Layout::make_output_section): If the name of the output section
7438         indicates that it might require sorting, set the may_sort flag.
7439         * output.h (Output_section::may_sort_attached_input_sections): New
7440         function.
7441         (Output_section::set_may_sort_attached_input_sections): New
7442         function.
7443         (Output_section::must_sort_attached_input_sections): New
7444         function.
7445         (Output_section::set_must_sort_attached_input_sections): New
7446         function.
7447         (class Output_section): Declare Input_section_sort_entry.  Define
7448         Input_section_sort_compare.  Declare
7449         sort_attached_input_sections.  Add new fields:
7450         may_sort_attached_input_sections_,
7451         must_sort_attached_input_sections_,
7452         attached_input_sections_are_sorted_.
7453         * output.cc (Output_section::Output_section): Initialize new
7454         fields.
7455         (Output_section::add_input_section): Add an entry to
7456         input_sections_ if may_sort or must_sort are true.
7457         (Output_section::set_final_data_size): Call
7458         sort_attached_input_sections if necessary.
7459         (Output_section::Input_section_sort_entry): Define new class.
7460         (Output_section::Input_section_sort_compare::operator()): New
7461         function.
7462         (Output_section::sort_attached_input_sections): New function.
7463         * configure.ac: Check whether the compiler supports constructor
7464         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7465         * testsuite/initpri1.c: New file.
7466         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7467         CONSTRUCTOR_PRIORITY.
7468         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7469         (initpri1_LDFLAGS): New variable.
7470         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7472 2008-03-27  Ian Lance Taylor  <iant@google.com>
7474         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7475         * testsuite/common_test_1.c: New file.
7476         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7477         (common_test_1_SOURCES): New variable.
7478         (common_test_1_DEPENDENCIES): New variable.
7479         (common_test_1_LDFLAGS): New variable.
7481         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7482         and commons_ correctly when NAME/VERSION does not override
7483         NAME/NULL.
7484         * testsuite/ver_test_6.c: New file.
7485         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7486         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7487         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7489 2008-03-26  Ian Lance Taylor  <iant@google.com>
7491         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7492         of an undefined symbol from a version script.
7493         * testsuite/Makefile.am (ver_test_5.so): New target.
7494         (ver_test_5.o): New target.
7495         (check_SCRIPTS): Add ver_test_5.sh.
7496         (check_DATA): Add ver_test_5.syms.
7497         (ver_test_5.syms): New target.
7498         * testsuite/ver_test_5.cc: New file.
7499         * testsuite/ver_test_5.script: New file.
7500         * testsuite/ver_test_5.sh: New file.
7501         * Makefile.in, testsuite/Makefile.in: Rebuild.
7503         PR gold/5986
7504         Fix problems building gold with gcc 4.3.0.
7505         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7506         (gold_error_at_location, gold_warning_at_location): Use it.
7507         * configure.ac: Check whether we can compile and use a template
7508         function with a printf attribute.
7509         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7510         when jumping over bytes.
7511         * object.cc: Instantiate Object::read_section_data.
7512         * debug.h: Include <cstring>
7513         * dwarf_reader.cc: Include <algorithm>
7514         * main.cc: Include <cstring>.
7515         * options.cc: Include <cstring>.
7516         * output.cc: Include <cstring>.
7517         * script.cc: Include <cstring>.
7518         * script.h: Include <string>.
7519         * symtab.cc: Include <cstring> and <algorithm>.
7520         * target-select.cc: Include <cstring>.
7521         * version.cc: Include <string>.
7522         * testsuite/testmain.cc: Include <cstdlib>.
7523         * configure, config.in: Rebuild.
7525 2008-03-25  Ian Lance Taylor  <iant@google.com>
7527         * options.cc: Include "../bfd/bfdver.h".
7528         (options::help): Print bug reporting address.
7530         * version.cc (print_version): Adjust output for current value of
7531         BFD_VERSION_STRING.
7533         * NEWS: New file.
7535         * options.cc (options::help): Print list of supported targets.
7536         * target-select.h: Include <vector>.
7537         (class Target_selector): Make machine_, size_, and is_big_endian_
7538         fields const.  Add bfd_name_ and instantiated_target_ fields.
7539         (Target_selector::Target_selector): Add bfd_name parameter.
7540         (Target_selector::recognize): Make non-virtual, call
7541         do_recognize.
7542         (Target_selector::recognize_by_name): Make non-virtual, call
7543         do_recognize_by_name.
7544         (Target_selector::supported_names): New function.
7545         (Target_selector::bfd_name): New function.
7546         (Target_selector::do_instantiate_target): New pure virtual
7547         function.
7548         (Target_selector::do_recognize): New virtual function.
7549         (Target_selector::do_recognize_by_name): New virtual function.
7550         (Target_selector::instantiate_target): New private function.
7551         (supported_target_names): Declare.
7552         * target-select.cc (Target_selector::Target_selector): Update for
7553         new parameter and fields.
7554         (select_target_by_name): Check that the name matches before
7555         calling recognize_by_name.
7556         (supported_target_names): New function.
7557         * i386.cc (class Target_selector_i386): Update Target_selector
7558         constructor call.  Remove recognize and recognize_by_name.  Add
7559         do_instantiate_target.
7560         * x86_64.cc (class Target_selector_x86_64): Likewise.
7561         * testsuite/testfile.cc (class Target_selector_test): Update for
7562         changes to Target_selector.
7564         * README: Rewrite, with some notes on unsupported features.
7566 2008-03-24  Cary Coutant  <ccoutant@google.com>
7568         * i386.cc (Target_i386::Got_type): New enum declaration.
7569         (Target_i386::Scan::local): Updated callers of Output_data_got
7570         member functions.
7571         (Target_i386::Scan::global): Likewise.
7572         (Target_i386::Relocate::relocate): Likewise.
7573         (Target_i386::Relocate::relocate_tls): Likewise.
7574         * object.h (Got_offset_list): New class.
7575         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7576         (Sized_relobj::local_got_offset): Likewise.
7577         (Sized_relobj::set_local_got_offset): Likewise.
7578         (Sized_relobj::local_has_tls_got_offset): Removed.
7579         (Sized_relobj::local_tls_got_offset): Removed.
7580         (Sized_relobj::set_local_tls_got_offset): Removed.
7581         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7582         * output.cc (Output_data_got::add_global): Added got_type parameter.
7583         (Output_data_got::add_global_with_rel): Likewise.
7584         (Output_data_got::add_global_with_rela): Likewise.
7585         (Output_data_got::add_global_pair_with_rel): New function.
7586         (Output_data_got::add_global_pair_with_rela): New function.
7587         (Output_data_got::add_local): Added got_type parameter.
7588         (Output_data_got::add_local_with_rel): Likewise.
7589         (Output_data_got::add_local_with_rela): Likewise.
7590         (Output_data_got::add_local_pair_with_rel): New function.
7591         (Output_data_got::add_local_pair_with_rela): New function.
7592         (Output_data_got::add_global_tls): Removed.
7593         (Output_data_got::add_global_tls_with_rel): Removed.
7594         (Output_data_got::add_global_tls_with_rela): Removed.
7595         (Output_data_got::add_local_tls): Removed.
7596         (Output_data_got::add_local_tls_with_rel): Removed.
7597         (Output_data_got::add_local_tls_with_rela): Removed.
7598         * output.h (Output_data_got::add_global): Added got_type parameter.
7599         (Output_data_got::add_global_with_rel): Likewise.
7600         (Output_data_got::add_global_with_rela): Likewise.
7601         (Output_data_got::add_global_pair_with_rel): New function.
7602         (Output_data_got::add_global_pair_with_rela): New function.
7603         (Output_data_got::add_local): Added got_type parameter.
7604         (Output_data_got::add_local_with_rel): Likewise.
7605         (Output_data_got::add_local_with_rela): Likewise.
7606         (Output_data_got::add_local_pair_with_rel): New function.
7607         (Output_data_got::add_local_pair_with_rela): New function.
7608         (Output_data_got::add_global_tls): Removed.
7609         (Output_data_got::add_global_tls_with_rel): Removed.
7610         (Output_data_got::add_global_tls_with_rela): Removed.
7611         (Output_data_got::add_local_tls): Removed.
7612         (Output_data_got::add_local_tls_with_rel): Removed.
7613         (Output_data_got::add_local_tls_with_rela): Removed.
7614         * resolve.cc (Symbol::override_base_with_special): Removed
7615         reference to has_got_offset_ field.
7616         * symtab.cc (Symbol::init_fields): Replaced initialization
7617         of got_offset_ with got_offsets_.  Removed initialization
7618         of has_got_offset_
7619         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7620         (Symbol::got_offset): Likewise.
7621         (Symbol::set_got_offset): Likewise.
7622         (Symbol::has_tls_got_offset): Removed.
7623         (Symbol::tls_got_offset): Removed.
7624         (Symbol::set_tls_got_offset): Removed.
7625         (Symbol::got_offset_): Removed.
7626         (Symbol::tls_mod_got_offset_): Removed.
7627         (Symbol::tls_pair_got_offset_): Removed.
7628         (Symbol::got_offsets_): New field.
7629         (Symbol::has_got_offset): Removed.
7630         (Symbol::has_tls_mod_got_offset): Removed.
7631         (Symbol::has_tls_pair_got_offset): Removed.
7632         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7633         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7634         member functions.
7635         (Target_x86_64::Scan::global): Likewise.
7636         (Target_x86_64::Relocate::relocate): Likewise.
7637         (Target_x86_64::Relocate::relocate_tls): Likewise.
7639 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7641         * yyscript.y: Fix spelling error in comment.
7643 2008-03-24  Ian Lance Taylor  <iant@google.com>
7645         * options.h (class General_options): Define build_id option.
7646         * layout.h (class Layout): Declare write_build_id, create_note,
7647         create_build_id.  Add build_id_note_ member.
7648         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7649         "libiberty.h", "md5.h", "sha1.h".
7650         (Layout::Layout): Initialize eh_frame_data_,
7651         eh_frame_hdr_section_, and build_id_note_.
7652         (Layout::finalize): Call create_build_id.
7653         (Layout::create_note): New function, broken out of
7654         Layout::create_gold_note.
7655         (Layout::create_gold_note): Call create_note.
7656         (Layout::create_build_id): New function.
7657         (Layout::write_build_id): New function.
7658         (Close_task_runner::run): Call write_build_id.
7660         * x86_64.cc: Correct license to GPLv3.
7662 2008-03-23  Ian Lance Taylor  <iant@google.com>
7664         * options.cc: Include "demangle.h".
7665         (parse_optional_string): New function.
7666         (parse_long_option): Handle takes_optional_argument.
7667         (parse_short_option): Update dash_z initializer.  Handle
7668         takes_optional_argument.
7669         (General_options::General_options): Initialize do_demangle_.
7670         (General_options::finalize): Set do_demangle_.  Handle demangling
7671         style.
7672         * options.h (parse_optional_string): Declare.
7673         (struct One_option): Add optional_arg field.  Update constructor.
7674         Update call constructor calls.  Add takes_optional_argument
7675         function.
7676         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7677         (DEFINE_optional_string): Define.
7678         (General_options::demangle): Change from DEFINE_bool to
7679         DEFINE_optional_string.
7680         (General_options::no_demangle): New function.
7681         (General_options::do_demangle): New function.
7682         (General_options::set_do_demangle): New function.
7683         (General_options::execstack_status_): Move definition to end of
7684         class definition.
7685         (General_options::static_): Likewise.
7686         (General_options::do_demangle_): New field.
7687         * object.cc (big_endian>::get_symbol_location_info): Call
7688         Options::do_demangle, not Options::demangle.
7689         * symtab.cc (demangle): Likewise.
7691 2008-03-22  Ian Lance Taylor  <iant@google.com>
7693         * gold.h: Include <cstddef> and <sys/types.h>
7694         * options.h: Include <cstring>.
7696 2008-03-21  Ian Lance Taylor  <iant@google.com>
7698         * Added source code to GNU binutils.