2010-05-25 Kai Tietz <kai.tietz@onevision.com>
[binutils.git] / gold / ChangeLog
blobb66743ae339b09188f096b889fc09faa9fc97d15
1 2010-05-23  Doug Kwan  <dougkwan@google.com>
3         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4         instead of a cast.
5         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6         with a direct branch, not a conditional branch, to a stub.
7         * merge.cc (Output_merge_base::record_input_section): New method
8         defintion.
9         (Output_merge_data::do_add_input_section): Record input section if
10         keeps-input-sections flag is set.
11         (Output_merge_string::do_add_input_section): Ditto.
12         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
13         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
14         INPUT_SECTIONS_.
15         (Output_merge_base::keeps_input_sections,
16         Output_merge_base::set_keeps_input_sections,
17         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
18         method definitions.
19         (Output_merge_base::Input_sections): New type declaration.
20         (Output_merge_base::input_sections_begin,
21         Output_merge_base::input_sections_end,
22         Output_merge_base::do_set_keeps_input_sections): New method definitions.
23         (Output_merge_base::bool keeps_input_sections_,
24         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
25         Output_merge_base::input_sections_): New data members.
26         (Output_merge_data::do_set_keeps_input_sections): New method
27         defintion.
28         (Output_merge_string::do_set_keeps_input_sections): Ditto.
29         * output.cc (Output_section::Input_section::relobj): Move method
30         defintion from class declaration to here and handle merge sections.
31         (Output_section::Input_section::shndx): Ditto.
32         (Output_section::Output_section): Remove initializations of removed
33         data members and initialize new data member LOOKUP_MAPS_.
34         (Output_section::add_input_section): Set keeps-input-sections flag
35         for a newly created merge output section as appropriate.  Adjust code
36         to use Output_section_lookup_maps class.
37         (Output_section::add_relaxed_input_section): Adjst code for lookup
38         maps code refactoring.
39         (Output_section::add_merge_input_section): Add a new parameter
40         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
41         class.  If adding input section to a newly created merge output
42         section fails, remove the new merge section.
43         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
44         Adjust code for use of the Output_section_lookup_maps class. 
45         (Output_section::find_merge_section): Ditto.
46         (Output_section::build_lookup_maps): New method defintion.
47         (Output_section::find_relaxed_input_section): Adjust code to use
48         Output_section_lookup_maps class.
49         (Output_section::get_input_sections): Export merge sections.  Adjust
50         code to use Output_section_lookup_maps class.
51         (Output_section:::add_script_input_section): Adjust code to use
52         Output_section_lookup_maps class.  Update lookup maps for merge
53         sections also.
54         (Output_section::discard_states): Use Output_section_lookup_maps.
55         (Output_section::restore_states): Same.
56         * output.h (Merge_section_properties): Move class defintion out of
57         Output_section.
58         (Output_section_lookup_maps): New class.
59         (Output_section::Input_section::is_merge_section): New method
60         defintion.
61         (Output_section::Input_section::relobj): Move defintion out of class
62         defintion.  Declare method only.
63         (Output_section::Input_section::shndx): Ditto.
64         (Output_section::Input_section::output_merge_base): New method defintion.
65         (Output_section::Input_section::u2_.pomb): New union field.
66         (Output_section::Merge_section_by_properties_map,
67         Output_section::Output_section_data_by_input_section_map,
68         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
69         Remove types.
70         (Output_section::add_merge_input_section): Add new parameter
71         KEEPS_INPUT_SECTIONS.
72         (Output_section::build_lookup_maps): New method declaration.
73         (Output_section::merge_section_map_,
74         Output_section::merge_section_by_properties_map_,
75         Output_section::relaxed_input_section_map_,
76         Output_section::is_relaxed_input_section_map_valid_): Remove data
77         members.
78         (Output_section::lookup_maps_): New data member.
80 2010-05-21  Doug Kwan  <dougkwan@google.com>
82         PR gold/11619
83         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
84         avoid a compilation error.
86 2010-05-19  Rafael Espindola  <espindola@google.com>
88         * script-sections.cc (Output_section_definition::allocate_to_segment):
89         Update the phdrs_list even when the output section is NULL.
90         * testsuite/Makefile.am: Add test.
91         * testsuite/Makefile.in: Regenerate.
92         * testsuite/script_test_9.cc: New.
93         * testsuite/script_test_9.sh: New.
94         * testsuite/script_test_9.t: New.
96 2010-05-19  Doug Kwan  <dougkwan@google.com>
98         * arm.cc (Arm_input_section::original_size): New method.
99         (Arm_input_section::do_addralign): Add a cast.
100         (Arm_input_section::do_output_offset): Remove static cast.
101         (Arm_input_section::original_addralign,
102          Arm_input_section::original_size_): Change type to uint32_t.
103         (Arm_input_section::init): Add safe casts for section alignment
104         and size.
105         (Arm_input_section::set_final_data_size): Do not set address and
106         offset of stub table.
107         (Arm_output_section::fix_exidx_coverage): Change use of of
108         Output_section::Simple_input_section to that of
109         Output_section::Input_section.
110         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
111         except for the first pass.
112         * output.cc (Output_section::get_input_sections): Change type of
113         input_sections to std::list<Input_section>.
114         (Output_section::add_script_input_section): Rename from
115         Output_section::add_simple_input_section.  Change type of SIS
116         parameter from Simple_input_section to Input_section.
117         * output.h (Output_section::Simple_input_section): Remove class.
118         (Output_section::Input_section): Change class visibility to public.
119         (Output_section::Input_section::addralign): Use stored alignments
120         for special input sections if set.
121         (Output_section::Input_section::set_addralign): New method.
122         (Output_section::get_input_sections): Change parameter type from
123         list of Simple_input_section to list of Input_section.
124         (Output_section::add_script_input_section): Rename from
125         Output_section::add_simple_input_section. Change first parameter's
126         type from Simple_input_section to Input_section and remove the
127         second and third parameters.
128         * script-sections.cc (Input_section::Input_section_list): Change
129         type to list of Output_section::Input_section/
130         (Input_section_info::Input_section_info): Change parameter type of
131         INPUT_SECTION to Output_section::Input_section.
132         (Input_section_info::input_section): Change return type.
133         (Input_section_info::input_section_): Change type to
134         Output_section::Input_section.
135         (Output_section_element_input::set_section_addresses): Adjust code
136         to use Output_section::Input_section instead of
137         Output_section::Simple_input_section.  Adjust code for renaming
138         of Output_section::add_simple_input_section.
139         (Orphan_output_section::set_section_addresses): Ditto.
141 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
143         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
144         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
146 2010-05-18  Rafael Espindola  <espindola@google.com>
148         * options.cc (General_options::finalize): Handle -nostdlib.
149         * options.h (nostdlib): New option.
150         * script.cc (script_add_search_dir): Handle -nostdlib.
152 2010-05-12  Doug Kwan  <dougkwan@google.com>
154         * arm.cc (Target_arm::do_finalize_sections): Create an empty
155         attributes section only if there no attributes section after merging.
156         (Target_arm::merge_object_attributes): Move value of
157         Tag_MPextension_use_legacy to that of Tag_MPextension_use. 
158         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
159         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
160         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
161         and arm_attr_merge_7.stdout.
162         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
163         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
164         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
165         arm_attr_merge_7b.o): New rules.
166         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
167         arm_attr_merge_7
168         * testsuite/Makefile.in: Regenerate.
169         * testsuite/arm_attr_merge.sh: New file.
170         * testsuite/arm_attr_merge_[67][ab].s: Same.
172 2010-05-05  Nick Clifton  <nickc@redhat.com>
174         * po/es.po: Updated Spanish translation.
176 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
178         * Makefile.am (install-exec-local): Properly install gold as
179         default cross linker.
180         * Makefile.in: Regenerated.
182 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
183             Nick Clifton  <nickc@redhat.com>
185         * configure.ac (install_as_default): Define and set to false
186         unless --enable-gold or --enable-gold=both/gold has been
187         specified.
188         * configure: Regenerate.
190         * Makefile.am (install-exec-local): Install the executable as
191         'ld.gold'.  If install_as_default is true then also install it as
192         'ld'.
193         * Makefile.in: Regenerated.
195 2010-04-24  Ian Lance Taylor  <iant@google.com>
197         * layout.cc (Layout::layout_reloc): In relocatable link don't
198         combine reloc sections for grouped sections.
200 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
202         * gc.h (gc_process_relocs): Pass information on relocs pointing to
203         sections that are not ordinary to icf.
204         * icf.cc (get_section_contents): Handle relocation pointing to section
205         with no object or shndx information.
206         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
207         * testsuite/Makefile.in: Regenerate.
208         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
209         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
211 2010-04-22  Ian Lance Taylor  <iant@google.com>
213         * expression.cc (Expression::Expression_eval_info): Add
214         result_alignment_pointer field.
215         (Expression::eval_with_dot): Add result_alignment_pointer
216         parameter.  Change all callers.
217         (Expression::eval_maybe_dot): Likewise.
218         (class Binary_expression): Add alignment_pointer parameter to
219         left_value and right_value.  Change all callers.
220         (BINARY_EXPRESSION): Set result alignment.
221         (class Trinary_expression): Add alignment_pointer parameter to
222         arg2_value and arg3_value.  Change all callers.
223         (Trinary_cond::value): Set result alignment.
224         (Max_expression::value, Min_expression::value): Likewise.
225         (Align_expression::value): Likewise.
226         * script-sections.cc (class Sections_element): Add dot_alignment
227         parameter to set_section_addresses virtual function.  Update
228         instantiations.
229         (class Output_section_element): Likewise.
230         (Script_sections::create_segments): Add dot_alignment parameter.
231         Change all callers.
232         (Script_sections::create_segments_from_phdrs_clause): Likewise.
233         (Script_sections::set_phdrs_clause_addresses): Likewise.
234         * script-sections.h: Update declarations.
235         * script.h: Update declarations.
236         * output.h (Output_segment::set_minimum_p_align): Don't decrease
237         min_p_align.
238         * testsuite/script_test_3.t: Set large alignment.
239         * testsuite/script_test_3.sh: Make sure that at least one LOAD
240         segment has expected alignment.
242 2010-04-22  Nick Clifton  <nickc@redhat.com>
244         * po/gold.pot: Updated by the Translation project.
245         * po/vi.po: Updated Vietnamese translation.
247 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
249         * testsuite/Makefile.am (check_PROGRAMS): Add
250         icf_virtual_function_folding_test.
251         * testsuite/Makefile.in: Regenerated.
253 2010-04-15  Andrew Haley  <aph@redhat.com>
255         * options.h (merge_exidx_entries): New option.
256         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
257         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
258         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
259         (Target_arm::merge_exidx_entries): New function.
260         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
261         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
262         to Arm_exidx_fixup constructor.
263         Add new arg, merge_exidx_entries.
264         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
265         Arm_output_section::fix_exidx_coverage.
267 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
269         * icf.cc (get_section_contents): Check for preemptible functions.
270         Ignore addend when appropriate.
271         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
272         section folded.
273         (add_from_relobj): Check for section folded.
274         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
275         * symtab.h (should_add_dynsym_entry): Add new parameter.
276         * target-reloc.h (scan_relocs): Check for section folded.
277         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
278         Check reloc types for function pointers in shared objects.
279         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
280         case.
281         (icf_preemptible_functions_test): New test case.
282         (icf_string_merge_test): New test case.
283         * testsuite.Makefile.in: Regenerate.
284         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
285         bar_glob.  Refactor code.
286         * testsuite/icf_preemptible_functions_test.cc: New file.
287         * testsuite/icf_preemptible_functions_test.sh: New file.
288         * testsuite/icf_string_merge_test.cc: New file.
289         * testsuite/icf_string_merge_test.sh: New file.
290         * testsuite/icf_virtual_function_folding_test.cc: New file.
291         * testsuite/icf_virtual_function_folding_test.sh: New file.
293 2010-04-14  Doug Kwan  <dougkwan@google.com>
295         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
296         for local symbol recounting if we remove a section due to ICF.
297         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
298         there are no regular objects in input.
300 2010-04-13  Doug Kwan  <dougkwan@google.com>
302         * arm.cc (Arm_input_section::set_final_data_size): Compute
303         accurate final data size instead of using current data size.
305 2010-04-09  Doug Kwan  <dougkwan@google.com>
307         * layout.cc (Layout::choose_output_section): Handle script section
308         types.
309         (Layout::make_output_section_for_script): Add section type parameter.
310         Handle script section types.
311         * layout.h (Layout::make_output_section_for_script): Add section
312         type parameter.
313         * output.cc (Output_section::Output_section): Initialize data member
314         is_noload_.
315         (Output_section::do_reset_address_and_file_offset): Do not set address
316         to 0 if section is a NOLOAD section.
317         * output.h (Output_section::is_noload): New method.
318         (Output_section::set_is_noload): Ditto.
319         (Output_section::is_noload_): New data member.
320         * script-c.h (Script_section_type): New enum type.
321         (struct Parser_output_section_header): Add new file section_type.
322         * script-sections.cc (Sections_element::output_section_name): Add
323         parameter for returning script section type.
324         (Output_section_definition::output_section_name): Ditto.
325         (Output_section_definition::section_type)P; New method.
326         (Output_section_definiton::script_section_type_name): Ditto.
327         (Output_section_definition::script_section_type_): New data member.
328         (Output_section_definition::Output_section_definition): Initialize
329         data member Output_section_definition::script_section_type_.
330         (Output_section_definition::create_sections): Pass script section type
331         to Layout::make_output_section_for_script.
332         (Output_section_definition::output_section_name): Return script
333         section type to caller.
334         (Output_section_definition::set_section_address): Do not advance
335         dot value and load address if section type is NOLOAD.  Set address
336         of NOLOAD sections regardless of section flags.
337         (Output_section_definition::print): Print section type if it is
338         not SCRIPT_SECTION_TYPE_NONE.
339         (Output_section_definition::section_type): New method.
340         (Output_section_definition::script_section_type_name): Ditto.
341         (Script_sections::output_section_name): Add new parameter
342         PSECTION_TYPE for returning script section type.  Pass it to
343         section elements.  Handle discard sections.
344         (Sort_output_sections::operator()): Handle NOLOAD sections.
345         * script-sections.h (Script_sections::Section_type): New enum type.
346         (Script_sections::output_section_name): Add a new parameter for
347         returning script section type.
348         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
349         INFO and NOLOAD.
350         * yyscript.y (union): Add new field SECTION_TYPE.
351         (COPY, DSECT, INFO, NOLOAD): New tokens.
352         (opt_address_and_section_type): Change type to output_section_header.
353         (section_type): New non-terminal
354         (section_header): Handle section type.
355         (opt_address_and_section_type): Return section type value.
357 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
359         * testsuite/plugin_common_test_1.c (foo): Add prototype.
360         * testsuite/plugin_common_test_2.c (foo): Likewise.
362 2010-04-08  Doug Kwan  <dougkwan@google.com>
364         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
365         Output_merge_data.
366         * output.cc (Output_section::add_merge_input_section): Simplify
367         code and return status of Output_merge_base::add_input_section.
368         Update merge section map only if Output_merge_base::add_input_section 
369         returns true.
371 2010-04-07  Doug Kwan  <dougkwan@google.com>
373         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
374         if section is marked as containing instructions but has no mapping
375         symbols.
376         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
377         correct section index.
378         (Arm_relobj::find_linked_text_section): Ditto.
380 2010-04-07  Cary Coutant  <ccoutant@google.com>
382         * archive.cc (include_member): Destroy Read_symbols_data object before
383         releasing file.
384         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
385         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
386         (Read_symbols_data::~Read_symbols_data) New destructor.
387         (Section_relocs::Section_relocs) New constructor.
388         (Section_relocs::~Section_relocs) New destructor.
389         (Read_relocs_data::Read_relocs_data) New constructor.
390         (Read_relocs_data::~Read_relocs_data) New destructor.
391         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
392         pointers to NULL after deleting.
394 2010-04-07  Doug Kwan  <dougkwan@google.com>
396         * arm.cc: Replace "endianity" with "endianness" in comments.
397         (Arm_exidx_cantunwind): Ditto.
398         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
399         (Arm_relobj::merge_flags_and_attributes): New method.
400         (Arm_relobj::merge_flags_and_attributes_): New data member.
401         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
402         (Arm_relobj::scan_sections_for_stubs): Ditto.
403         (Arm_relobj::do_read_symbols): Check to see if we really want to
404         merge processor-specific flags and attributes.  Exit early if
405         an object is empty except for section names and the undefined symbol.
406         (Target_arm::do_finalize_sections): Move check for ELF format to
407         Arm_relobj::do_read_symbols.  Merge processor specific flags and
408         attributes from a regular object only when we have determined that
409         it is aapropriate.  Do not create an .ARM.attributes section in
410         output if there is no regular input object.
411         (Target_arm::merge_processor_specific_flags): Check
412         --warn-mismatch before printing any error.
413         (Target_arm::merge_object_attributes): Ditto.
414         * gold.cc (queue_middle_tasks): Handle the case in which there is
415         no regular object in input.
416         * options.cc (General_options::parse_EB): New method.
417         (General_options::parse_EL): Same.
418         (General_options::General_options): Initialize endianness_.
419         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
420         New options.
421         (General_options::Endianness): New enum.
422         (General_options::endianness): New method.
423         (General_options::endianness_): New data member.
424         * parameters.cc (Parameters::set_options): Check target endianness.
425         (Parameters::set_target_once): Ditto.
426         (Parameters::check_target_endianness): New method.
427         (parameters_force_valid_target): If either -EL or -EB is specified,
428         use it to define endianness of default target.
429         * parameters.h (Parameters::check_target_endianness): New method
430         declaration.
431         * target.h (class Target): Change "endianity" to "endianness"
432         in comments.
434 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
436         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
437         * configure: Regenerate.
438         * Makefile.in: Regenerate.
439         * testsuite/Makefile.in: Regenerate.
441 2010-04-06  Cary Coutant  <ccoutant@google.com>
443         gcc PR lto/42757
444         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
445         prevailing definitions of common symbols.
446         * testsuite/plugin_test_6.sh: New test case.
447         * testsuite/plugin_common_test_1.c: New test case.
448         * testsuite/plugin_common_test_2.c: New test case.
449         * testsuite/Makefile.am (plugin_test_6): New test case.
450         * testsuite/Makefile.in: Regenerate.
452 2010-04-06  Nick Clifton  <nickc@redhat.com>
454         * po/vi.po: New Vietnamese translation.
456 2010-03-30  Doug Kwan  <dougkwan@google.com>
458         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
460 2010-03-25  Doug Kwan  <dougkwan@google.com>
462         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
463         to avoid a conversion warning on a 32-bit host.
465 2010-03-24  Ian Lance Taylor  <iant@google.com>
467         * testsuite/script_test_3.t: Add a TLS segment.
468         * testsuite/Makefile.am (check_PROGRAMS): Add
469         tls_phdrs_script_test.
470         (tls_phdrs_script_test_SOURCES): Define.
471         (tls_phdrs_script_test_DEPENDENCIES): Define.
472         (tls_phdrs_script_test_LDFLAGS): Define.
473         (tls_phdrs_script_test_LDADD): Define.
474         * testsuite/Makefile.in: Rebuild.
476 2010-03-23  Cary Coutant  <ccoutant@google.com>
478         * fileread.cc (find_or_make_view): Fix comment.
480 2010-03-23  Ian Lance Taylor  <iant@google.com>
482         * script-sections.cc (class Orphan_section_placement): Define
483         PLACE_TLS and PLACE_TLS_BSS.
484         (Orphan_section_placement::Orphan_section_placement): Initialize
485         new places.
486         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
487         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
488         (tls_script_test_SOURCES): Define.
489         (tls_script_test_DEPENDENCIES): Define.
490         (tls_script_test_LDFLAGS): Define.
491         (tls_script_test_LDADD): Define.
492         * testsuite/Makefile.in: Rebuild.
494 2010-03-22  Doug Kwan  <dougkwan@google.com>
496         * arm.cc (Arm_relocate_functions::abs8,
497         Arm_relocate_functions::abs16): Use correct check for overflow
498         specified in the ARM ELF specs.
499         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
500         target of a BLX instruction specially.
501         (Reloc_stub::stub_type_for_reloc): Ditto.
502         (Relocate::relocate): Use symbolic names instead of numeric relocation
503         codes to report error.
504         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
505         workaround.
506         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
507         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
508         thumb2_blx_out_of_range.stdout
509         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
510         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
511         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
512         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
513         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
514         thumb2_blx_in_range, thumb2_blx_in_range.o,
515         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
516         thumb2_blx_out_of_range.o): New rules.
517         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
518         thumb2_blx_in_range and thumb2_blx_out_of_range.
519         * testsuite/Makefile.in: Regenerate.
520         * arm_branch_in_range.sh: Add tests for THUMB BLX.
521         * testsuite/thumb_blx_in_range.s: New file.
522         * testsuite/thumb_blx_out_of_range.s: New file.
524 2010-03-22  Rafael Espindola  <espindola@google.com>
526         * archive.cc (Should_include): Move to archive.h.
527         (should_include_member): Make it a member of Archive.
528         (Lib_group): New.
529         (Add_lib_group_symbols): New.
530         * archive.h: Include options.h.
531         (Archive_member): Moved from Archive.
532         (Should_include): Moved from archive.cc.
533         (Lib_group): New.
534         (Add_lib_group_symbols): New.
535         * dynobj.cc (do_should_include_member): New.
536         * dynobj.h (do_should_include_member): New.
537         * gold.cc (queue_initial_tasks): Update call to queue.
538         * main.cc (main): Print lib group stats.
539         * object.cc (do_should_include_member): New.
540         * object.h: Include archive.h.
541         (Object::should_include_member): New.
542         (Object::do_should_include_member): New.
543         (Sized_relobj::do_should_include_member): New.
544         * options.cc (General_options::parse_start_lib): New.
545         (General_options::parse_end_lib): New.
546         (Input_arguments::add_file): Handle lib groups.
547         (Input_arguments::start_group): Check we are not in a lib.
548         (Input_arguments::start_lib): New.
549         (Input_arguments::end_lib): New.
550         * options.h (General_options): Add start_lib and end_lib.
551         (Input_argument::lib_): New.
552         (Input_argument::lib): New.
553         (Input_argument::is_lib): New.
554         (Input_file_lib): New.
555         (Input_arguments::in_lib_): New.
556         (Input_arguments::in_lib): New.
557         (Input_arguments::start_lib): New.
558         (Input_arguments::end_lib_): New.
559         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
560         in unused members as preempted.
561         (Sized_pluginobj::do_should_include_member): New.
562         * plugin.h (Sized_pluginobj::do_should_include_member): New.
563         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
564         return the blocker.
565         (Read_symbols::do_whole_lib_group): New.
566         (Read_symbols::do_lib_group): New.
567         (Read_symbols::do_read_symbols): Handle lib groups.
568         (Read_symbols::get_name): Handle lib groups.
569         * readsyms.h (Read_symbols): Add an archive member pointer.
570         (Read_symbols::do_whole_lib_group): New.
571         (Read_symbols::do_lib_group): New.
572         (Read_symbols::member_): New.
573         * script.cc (read_input_script): Update call to queue_soon.
575 2010-03-19  Doug Kwan  <dougkwan@google.com>
577         * arm.cc (Stub_table::Stub_table): Initialize new data members
578         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
579         (Stub_table::add_reloc_stub): Assign stub offset and update
580         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
581         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
582         New data members.
583         (Stub_table::update_data_size_and_addralign): Use
584         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
585         instead of going over all reloc stubs.
586         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
587         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
588         Stringpool_template::offset_ to size of Stringpool_char.
589         (Stringpool_template::new_key_offset): Remove code to initialize
590         Stringpool_template::offset_.
591         * stringpool.h (Stringpool_template::set_no_zero_null): Set
592         Stringpool_template::offset_ to zero.
594 2010-03-15  Doug Kwan  <dougkwan@google.com>
596         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
597         offset_.
598         (Stringpool_template::new_key_offset): New method.
599         (Stringpool_template::add_string): Assign offsets when adding new
600         strings.
601         (Stringpool_template::set_string_offsets): Do not set string offsets
602         when not optimizing.
603         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
604         member size_.
605         (Chunked_vector::clear): Clear size_.
606         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
607         (Chunked_vector::size): Return size_.
608         (Chunked_vector::push_back): Use size_ to find insert position.
609         (Chunked_vector::size_): New data member. 
610         (Stringpool_template::set_no_zero_null): Assert string set is empty.
611         (Stringpool_template::new_key_offset): New method declaration.
612         (Stringpool_template::offset_): New data member.
614 2010-03-15   Rafael Espindola  <espindola@google.com>
616         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
617         Add_symbols' constructor.
618         * readsyms.h (Add_symbols): Remove the input_group member.
620 2010-03-10  Ian Lance Taylor  <iant@google.com>
622         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
623         target to ask whether a reference to a symbol requires a stack
624         split.
625         * target.h (Target::is_call_to_non_split): New function.
626         (Target::do_is_call_to_non_split): Declare virtual function.
627         * target.cc: Include "symtab.h".
628         (Target::do_is_call_to_non_split): New function.
629         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
631 2010-03-10  Cary Coutant  <ccoutant@google.com>
633         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
634         (File_read::open[1]): Remove initial mapping of whole_file_view_.
635         (File_read::open[2]): Add whole_file_view_ to list of views.
636         (File_read::make_view): Remove test of whole_file_view_.
637         (File_read::find_or_make_view): Create whole_file_view_ if
638         necessary.
639         (File_read::clear_views): Replace bool parameter with enum;
640         adjust all callers.  Don't delete views with permanent data;
641         do delete cached views and views from archives if
642         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
643         if clearing the corresponding view.
644         * fileread.h (File_read::Clear_views_mode): New enum.
645         (File_read::View::is_permanent_view): New method.
646         (File_read::clear_views): Replace bool parameter
647         with enum; adjust all callers.
648         * options.h (General_options): Change keep_files_mapped option;
649         add map_whole_files.
650         * readsyms.cc (Add_symbols::run): Delete sd_ object before
651         releasing the file.
652         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
653         the file.
655 2010-03-10  David S. Miller  <davem@davemloft.net>
657         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
659 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
661         * icf.cc (get_section_contents): Add '@' marker after processing the
662         merge reloc.
664 2010-03-08  Doug Kwan  <dougkwan@google.com>
666         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
667         due to a conversion warning.
668         (Arm_relobj::update_output_local_symbol_count): Check for local
669         symbol with unset output index.
671 2010-03-05  Ian Lance Taylor  <iant@google.com>
673         * options.h (class General_options): Add --spare-dynamic-tags.
674         * output.cc (Output_data_dynamic::set_final_data_size): Implement
675         --spare-dynamic-tags.
677 2010-03-05  Ian Lance Taylor  <iant@google.com>
679         * incremental.cc: Include "libiberty.h".
681 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
683         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
684         function, is_info_ member.
685         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
686         (Versions::Versions): Update caller.
687         (Versions::define_base_version): Likewise.
688         (Versions::add_def): Likewise.
690 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
692         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
693         (Scan::possible_function_pointer_reloc): New function.
694         (Scan::local_reloc_may_be_function_pointer): Change to call
695         possible_function_pointer_reloc.
696         (Scan::global_reloc_may_be_function_pointer): Ditto.
697         * icf.h (Icf::check_section_for_function_pointers): Change to reject
698         relocations in ".data.rel.ro._ZTV" section.
699         * testsuite/icf_safe_so_test.sh: Change to pass i386.
700         * testsuite/icf_safe_so_test.cc: Ditto.
701         * testsuite/icf_safe_test.cc: Ditto.
702         * testsuite/icf_safe_test.sh: Ditto.
704 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
705             Ian Lance Taylor  <iant@google.com>
707         * target-reloc.h (relocate_section): Check the symbol table index
708         for -1U before setting the local symbol index.
709         (scan_relocatable_relocs): If copying the relocation, record that
710         the local symbol is required.
711         * object.h (Symbol_value::is_output_symtab_index_set): New
712         function.
713         (Symbol_value::may_be_discarded_from_output_symtab): New
714         function.
715         (Symbol_value::has_output_symtab_entry): New function.
716         (Symbol_value::needs_output_symtab_entry): Remove.
717         (Symbol_value::output_symtab_index): Make sure the symbol index is
718         set.
719         (Symbol_value::set_output_symtab_index): Make sure the symbol
720         index is not set.  Make sure the new index is valid.
721         (Symbol_value::set_must_have_output_symtab_entry): New function.
722         (Symbol_value::has_output_dynsym_entry): New function.
723         (Symbol_value::set_output_dynsym_index): Make sure the new index
724         is valid.
725         (Sized_relobj::set_must_have_output_symtab_entry): New function.
726         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
727         local symbol if permitted.
728         (Sized_relobj::do_finalize_local_symbols): Call
729         is_output_symtab_index_set rather than needs_output_symtab_entry.
730         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
731         rather than needs_output_symtab_entry.  Call
732         has_output_dynsym_entry rather than needs_output_dynsym_entry.
733         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
734         is_output_symtab_index_set rather than needs_output_symtab_entry.
735         * testsuite/discard_locals_relocatable_test.c: New file.
736         * testsuite/discard_locals_test.sh: Test -r.
737         * testsuite/Makefile.am (check_DATA): Add
738         discard_locals_relocatable_test1.syms,
739         discard_local_relocatable_test2.syms.
740         (MOSTLYCLEANFILES): Likewise.  Also add
741         discard_locals_relocatable_test1.lout and
742         discard_locals_relocatable_test2.out.
743         (discard_locals_relocatable_test1.syms): New target.
744         (discard_locals_relocatable_test.o): New target.
745         (discard_locals_relocatable_test1.out): New target.
746         (discard_locals_relocatable_test2.syms): New target.
747         (discard_locals_relocatable_test2.out): New target.
748         (various): Add missing ../ld-new dependencies.
749         * testsuite/Makefile.in: Rebuild.
751 2010-03-03  Nick Clifton  <nickc@redhat.com>
753         * po/fi.po: New Finnish translation.
755 2010-03-01  Doug Kwan  <dougkwan@google.com>
757         * layout.cc (Layout::Layout): Force section types of .init_array*,
758         .preinit_array* and .fini_array* sections.
759         * output.cc (Output_section::Input_section_sort_entry::has_priority):
760         Fix check of return value of std::string::find.().
761         (Output_section::Input_section_sort_compare::operator()): Remove
762         comment about .init_array.
763         (Output_section::Input_section_sort_init_fini_compare::operator()):
764         New method.
765         (Output_section::sort_attached_input_sections): Handle .init_array
766         and .fini_array specially.
767         * output.h (Output_section::Inut_section_sort_compare): Update
768         comment.
769         (Output_section::Input_section_sort_init_fini_compare): New struct.
771 2010-02-26  Doug Kwan  <dougkwan@google.com>
773         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
774         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
775         * testsuite/debug_msg.sh: Avoid matching source line number for
776         use of global variable undef_int.
778 2010-02-26  Doug Kwan  <dougkwan@google.com>
780         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
781         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
782         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
783         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
784         * options.cc (General_options::General_options): Initialize member
785         fix_v4bx_.
786         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
787         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
788         and rm_no_fix_v4bx.stdout
789         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
790         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
791         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
792         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
793         and arm_no_fix_v4bx.
794         * Makefile.in: Regenerate.
795         * testsuite/arm_fix_v4bx.s: New file.
796         * testsuite/arm_fix_v4bx.sh: Ditto.
798 2010-02-24  Doug Kwan  <dougkwan@google.com>
800         * arm.cc (Target_arm::got_section): Make the .got section the first
801         non RELRO section in the data segment.
802         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
803         suffixes of section names.
805 2010-02-24  Doug Kwan  <dougkwan@google.com>
807         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
808         flags and attributes merging if an input file is a binary file.
809         * fileread.cc (Input_file::open): Record format of original file.
810         * fileread.h (Input_file::Format): New enum type.
811         (Input_file::Input_file): Initialize data member format_.
812         (Input_file::format): New method definition.
813         (Input_file::format_):: New data member.
815 2010-02-24  Doug Kwan  <dougkwan@google.com>
817         * arm.cc (Arm_output_data_got): New class.
818         (ARM_TCB_SIZE): New constant
819         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
820         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
821         If user uses a script with a SECTIONS clause, issue only a warning
822         for a misplaced EXIDX input section.  Otherwise, issue an error.
823         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
824         garbage collection.
825         (Target_arm::got_mode_index_entry): Handle static linking.
826         (Target_arm::Scan::local): Ditto.
827         (Target_arm::Scan::global): Ditto.
828         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
829         all incorrectly implemented relocations.
830         (Target_arm::fix_exidx_coverage): Pass layout to 
831         Arm_output_section::fix_exidx_coverage.
832         * layout.cc (Layout::section_name_mapping): Remove trailing dots
833         from ".ARM.exidx." and ".ARM.extab.".
835 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
837         * arm.cc (Target_arm::do_finalize_sections): Create attribute
838         section if it does not already exist.
839         * attributes.cc (Attributes_section_data::Attributes_section_data):
840         Don't crash if size is zero.
842 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
843             Ian Lance Taylor  <iant@google.com>
845         * gold.cc (queue_middle_tasks): If no input files were opened,
846         exit.
847         * workqueue.h (Task_function::Task_function): Assert that there is
848         a blocker.
850 2010-02-22  Doug Kwan  <dougkwan@google.com>
852         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
853         * icf.cc (get_section_contents): Cast snprintf arguments to long long
854         types to avoid warnings due to different uint64_t implementations
855         on different hosts.
857 2010-02-21  Doug Kwan  <dougkwan@google.com>
859         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
860         handling of the maximum backward branch offset.
861         (Arm_relocate_functions::thumb_branch_common): Ditto.
862         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
863         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
864         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
865         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
866         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
867         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
868         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
869         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
870         thumb_bl_out_of_range thumb_bl_out_of_range.o,
871         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
872         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
873         thumb2_bl_out_of_range.o): New rules.
874         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
875         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
876         thumb2_bl_out_of_range
877         * testsuite/Makefile.in: Regenerate.
878         * testsuite/arm_bl_in_range.s: New file.
879         * testsuite/arm_bl_out_of_range.s: Ditto.
880         * testsuite/arm_branch_in_range.sh: Ditto.
881         * testsuite/arm_branch_range.t: Ditto.
882         * testsuite/thumb2_branch_range.t: Ditto.
883         * testsuite/thumb_bl_in_range.s: Ditto.
884         * testsuite/thumb_bl_out_of_range.s: Ditto.
885         * testsuite/thumb_branch_range.t: Ditto.
887 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
889         * gc.h (gc_process_relocs): Change vectors to point to the new list.
890         Add reloc offset information.
891         * icf.cc (get_section_contents): Change iterators to point to the new
892         vectors. Add reloc offset information to the contents.
893         * icf.h (Icf::Sections_reachable_info): New typedef.
894         (Icf::Sections_reachable_list): New typedef.
895         (Icf::Offset_info): New typedef.
896         (Icf::Reloc_info): New struct typedef.
897         (Icf::Reloc_info_list): New typedef.
898         (Icf::symbol_reloc_list): Delete method.
899         (Icf::addend_reloc_list): Delete method.
900         (Icf::section_reloc_list): Delete method.
901         (Icf::reloc_info_list): New method.
902         (Icf::reloc_info_list_): New member.
904 2010-02-19  Doug Kwan  <dougkwan@google.com>
906         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
907         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
908         * arm.cc (Arm_relocation_functions): New forward declaration.
909         (Target_arm::Target_arm): Initialize new data members
910         got_mod_index_offset_ and tls_base_symbol_defined_.
911         (Target_arm::Relocate::relocate_tls): New method.
912         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
913          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
914         New methods.
915         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
916         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
917         (Target_arm::got_mod_index_offset_,
918         Target_arm::tls_base_symbol_defined_): New data members.
919         (Target_arm::Scan::local, Target::Scan::global,
920         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
921         relocations.
923 2010-02-18  Doug Kwan  <dougkwan@google.com>
925         * arm.cc (Arm_relobj::find_linked_text_section): New method.
926         (Arm_relobj::make_exidx_input_section): Pass section index of linked
927         text section as a parameter becuase some broken tools may not set
928         the link in section header.
929         (Target_arm::has_got_section): New method.
930         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
931         without any mapping symbol as data only.  Remove warning.
932         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
933         link in its section header, try to discover the link by inspecting the
934         REL31 relocation at the beginning of the section.
935         (Target_arm::Scan::check_non_pic): Report name of offending relocation
936         in error message.
937         (Target_arm::Scan::global): Treat any reference to the symbol
938         _GLOBAL_OFFSET_TABLE_ as a GOT access.
940 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
942         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
943         (Scan::global_reloc_may_be_function_pointer): New function.
944         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
945         (Scan::global_reloc_may_be_function_pointer): New function.
946         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
947         (Scan::global_reloc_may_be_function_pointer): New function.
948         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
949         (Scan::global_reloc_may_be_function_pointer): New function.
950         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
951         (Scan::global_reloc_may_be_function_pointer): New function.
952         (Scan::possible_function_pointer_reloc): New function.
953         (Target_x86_64::can_check_for_function_pointers): New function.
954         * gc.h (gc_process_relocs): Scan relocation types to determine if
955         function pointers were taken for targets that support it.
956         * icf.cc (Icf::find_identical_sections): Include functions for
957         folding in safe ICF whose pointer is not taken.
958         * icf.h (Secn_fptr_taken_set): New typedef.
959         (fptr_section_id_): New member.
960         (section_has_function_pointers): New function.
961         (set_section_has_function_pointers): New function.
962         (check_section_for_function_pointers): New function.
963         * options.h: Fix comment for safe ICF option.
964         * target.h (can_check_for_function_pointers): New function.
965         * testsuite/Makefile.am: Add icf_safe_so_test test case.
966         Modify icf_safe_test for X86-64.
967         * testsuite/Makefile.in: Regenerate.
968         * testsuite/icf_safe_so_test.cc: New file.
969         * testsuite/icf_safe_so_test.sh: New file.
970         * testsuite/icf_safe_test.cc (kept_func_3): New function.
971         (main): Change to take pointer to function kept_func_3.
972         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
973         folding is done correctly for X86-64.
975 2010-02-12  David S. Miller  <davem@davemloft.net>
977         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
978         is_symbolless parameter.
979         (Output_reloc<SHT_REL>::is_symbolless): New.
980         (Output_reloc<SHT_REL>::is_symbolless_): New.
981         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
982         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
983         (Output_reloc<SHT_RELA>::is_symbolless): New.
984         (Output_data_reloc::add_global): Handle is_symbolless.
985         (Output_data_reloc::add_global_relative): Likewise.
986         (Output_data_reloc::add_local): Likewise.
987         (Output_data_reloc::add_local_relative): Likewise.
988         (Output_data_reloc::add_symbolless_global_addend): New.
989         (Output_data_reloc::add_symbolless_local_addend): New.
990         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
991         is_symbolless.
992         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
993         instead of ->is_relative_
994         (Output_reloc::write): Likewise.
995         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
996         (Output_reloc::write_rel): Simplify.
998         * sparc.cc (Target_sparc::Scan::local): Use
999         ->add_symbolless_local_addend as needed.
1000         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1001         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1002         based upon relocation offset.
1004 2010-02-11  Doug Kwan  <dougkwan@google.com>
1006         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1007         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1008         beginning of function.
1009         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1010         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1011         parameter is_32bit in calls to should_apply_static_reloc.
1012         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1013         (check_DATA): Add arm_abs_global.stdout.
1014         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1015         arm_abs_global.stdout): New rules.
1016         (MOSTLLYCLEANFILES): Add arm_abs_global
1017         * Makefile.in: Regenerate.
1018         * testsuite/arm_abs_global.s: New file.
1019         * testsuite/arm_abs_global.sh: Ditto.
1020         * testsuite/arm_abs_lib.s: Ditto.
1022 2010-02-11  Ian Lance Taylor  <iant@google.com>
1024         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1025         Read_relocs task.
1026         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1027         Allocate_commons_task first.
1028         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1029         task, rather than symtab_lock_.
1030         (Gc_process_relocs::~Gc_process_relocs): New function.
1031         (Gc_process_relocs::is_runnable): Check this_blocker_.
1032         (Gc_process_relocs::locks): Use next_blocker_ rather than
1033         blocker_.
1034         (Scan_relocs::~Scan_relocs): New function.
1035         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1036         symtab_lock_.
1037         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1038         next_blocker_.
1039         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1040         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1041         constructor accordingly.
1042         (class Gc_process_relocs): Likewise.
1043         (class Scan_relocs): Likewise.
1044         * common.h (class Allocate_commons_task): Remove symtab_lock_
1045         field, and corresponding constructor parameter.
1046         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1047         symtab_lock_.
1048         (Allocate_commons_task::locks): Likewise.
1050 2010-02-11  Ian Lance Taylor  <iant@google.com>
1052         * gold-threads.h (class Once): Define.
1053         (class Initialize_lock): Rewrite as child of Once.
1054         * gold-threads.cc (class Once_initialize): Define.
1055         (once_pointer_control): New static variable.
1056         (once_pointer, once_arg): New static variables.
1057         (c_run_once): New static function.
1058         (Once::Once, Once::run_once, Once::internal_run): New functions.
1059         (class Initialize_lock_once): Remove.
1060         (initialize_lock_control): Remove.
1061         (initialize_lock_pointer): Remove.
1062         (initialize_lock_once): Remove.
1063         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1064         (Initialize_lock::initialize): Rewrite.
1065         (Initialize_lock::do_run_once): New function.
1066         * archive.cc (Archive::interpret_header): Only clear name if it is
1067         not already empty.
1068         * fileread.cc: Include "gold-threads.h"
1069         (file_counts_lock): New static variable.
1070         (file_counts_initialize_lock): Likewise.
1071         (File_read::release): Only increment counts when using --stats.
1072         Use a lock around the increment.
1073         * parameters.cc (class Set_parameters_target_once): Define.
1074         (set_parameters_target_once): New static variable.
1075         (Parameters::Parameters): Move here from parameters.h.
1076         (Parameters::set_target): Rewrite.
1077         (Parameters::set_target_once): New function.
1078         (Parameters::clear_target): Move here and rewrite.
1079         * parameters.h (class Parameters): Update declarations.  Add
1080         set_parameters_target_once_ field.
1081         (Parameters::Parameters): Move to parameters.cc.
1082         (Parameters::clear_target): Likewise.
1083         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1084         task.
1085         (Start_group::~Start_group): New function.
1086         (Start_group::is_runnable): New function.
1087         (Start_group::locks, Start_group::run): New functions.
1088         (Finish_group::run): Change saw_undefined to size_t.
1089         * readsyms.h (class Start_group): Define.
1090         (class Finish_group): Change saw_undefined_ field to size_t.
1091         (Finish_group::Finish_group): Remove saw_undefined and
1092         this_blocker parameters.  Change all callers.
1093         (Finish_group::set_saw_undefined): New function.
1094         (Finish_group::set_blocker): New function.
1095         * symtab.h (class Symbol_table): Change saw_undefined to return
1096         size_t.  Change saw_undefined_ field to size_t.
1097         * target-select.cc (Set_target_once::do_run_once): New function.
1098         (Target_selector::Target_selector): Initialize set_target_once_
1099         field.  Don't initialize lock_ and initialize_lock_ fields.
1100         (Target_selector::instantiate_target): Rewrite.
1101         (Target_selector::set_target): New function.
1102         * target-select.h (class Set_target_once): Define.
1103         (class Target_selector): Update declarations.  Make
1104         Set_target_once a friend.  Remove lock_ and initialize_lock_
1105         fields.  Add set_target_once_ field.
1107 2010-02-10  Ian Lance Taylor  <iant@google.com>
1109         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1110         queueing any tasks.
1111         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1112         (queue_middle_tasks): Add all blockers before queueing any tasks.
1113         (queue_final_tasks): Likewise.
1114         * token.h (Task_token::add_blockers): New function.
1115         * object.h (Input_objects::number_of_relobjs): New function.
1117 2010-02-10  Ian Lance Taylor  <iant@google.com>
1119         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1120         shared, not if not position independent.
1121         * x86_64.cc (Relocate::relocate_tls): Likewise.
1122         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1123         (tls_pie_pic_test): New target.
1124         * testsuite/Makefile.in: Rebuild.
1126         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1127         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1128         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1129         * testsuite/Makefile.in: Rebuild.
1131 2010-02-09  David S. Miller  <davem@davemloft.net>
1133         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1134         R_SPARC_RELATIVE using ->add_local_relative().
1135         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1137         * output.h (Output_data_dynamic::add_section_size): New method
1138         that takes two Output_data objects.
1139         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1140         entry param.  Handle it in initializers.
1141         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1142         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1143         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1144         arg.
1145         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1146         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1147         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1148         for dynrel_includes_plt.
1149         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1150         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1151         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1152         before .rela.plt
1153         (Target_sparc::do_finalize_sections): Update to pass true for
1154         dynrel_includes_plt.
1155         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1156         output before .rela.plt
1157         (Target_powerpc::do_finalize_sections): Update to pass true for
1158         dynrel_includes_plt when 32-bit.
1160 2010-02-08  Doug Kwan  <dougkwan@google.com>
1162         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1163         method.
1164         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1165         Arm_relobj::scan_section_for_cortex_a8_stubs,
1166         Arm_relobj::do_relocation_section): Instead of calling
1167         Output_section::output_address, use faster
1168         Arm_relobj::simple_input_section_output_address.
1170 2010-02-08  David S. Miller  <davem@davemloft.net>
1172         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1173         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1174         relocation helper function.
1176         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1177         just like R_SPARC_GOT{10,13,22}.
1178         (Target_sparc::Scan::local): Likewise.
1179         (Target_sparc::Relocate:relocate): Likewise.
1181 2010-02-06  Ian Lance Taylor  <iant@google.com>
1183         * configure.ac: Rewrite targetobjs duplicate removal code to use
1184         only shell constructs.
1185         * configure: Rebuild.
1187 2010-02-05  Doug Kwan  <dougkwan@google.com>
1189         PR 11247
1190         * arm.cc (Arm_relobj::section_is_scannable): New method.
1191         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1192         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1194 2010-02-04  Doug Kwan  <dougkwan@google.com>
1196         PR 11247
1197         * arm-reloc-property.cc (cstdio): Include.
1198         * configure.ac (targetobjs): Remove duplicates.
1199         * configure: Regenerate.
1200         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1201         big and little endian version for a given address size.
1203 2010-02-03  Doug Kwan  <dougkwan@google.com>
1205         * arm-reloc-property.cc
1206         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1207         definition.
1208         * arm-reloc-property.h
1209         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1210         New method definition.
1211         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1212         declaration.
1213         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1214         overflow to N.
1215         (GOT_PREL): Change implemented to Y.
1216         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1217         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1218         (Arm_relocate_functions::movw_abs_nc): Remove method.
1219         (Arm_relocate_functions::movt_abs): Ditto.
1220         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1221         (Arm_relocate_functions::thm_movt_abs): Ditto.
1222         (Arm_relocate_functions::movw_rel_nc): Ditto.
1223         (Arm_relocate_functions::movw_rel): Ditto.
1224         (Arm_relocate_functions::movt_rel): Ditto.
1225         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1226         (Arm_relocate_functions:thm_movw_rel): Ditto.
1227         (Arm_relocate_functions:thm_movt_rel): Ditto.
1228         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1229         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1230         New method definitions.
1231         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1232         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1233         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1234         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1235         (Target_arm::Relocate::relocate): Check for non-static or
1236         unimplemented relocation code and exit early.  Change calls to
1237         Target_arm::reloc_uses_thumb_bit and
1238         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1239         instead.  Refactor code to handle similar relocations to increase
1240         code sharing.  Remove check for unsupported relocation code in switch
1241         statement.
1242         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1243         relocation property table to find out size.  Change error message to
1244         print out the name of a relocation code instead of the numeric value.
1245         (Target_arm::scan_reloc_for_stub): Use relocation property table
1246         instead of calling Target_arm::reloc_uses_thumb_bit().
1248 2010-02-02  Doug Kwan  <dougkwan@google.com>
1250         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1251         types of relaxed input section.
1253 2010-02-02  Doug Kwan  <dougkwan@google.com>
1255         * Makefile.am (HFILES): Add arm-reloc-property.h.
1256         (DEFFILES): New.
1257         (TARGETSOURCES): Add arm-reloc-property.cc
1258         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1259         (libgold_a_SOURCES): $(DEFFILES)
1260         * Makefile.in: Regenerate.
1261         * arm-reloc-property.cc: New file.
1262         * arm-reloc-property.h: New file.
1263         * arm-reloc.def: New file.
1264         * arm.cc: Update comments.
1265         (arm-reloc-property.h): New included header.
1266         (arm_reloc_property_table): New global variable.
1267         (Target_arm::do_select_as_default_target): New method definition.
1268         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1269         arm-reloc-property to targ_extra_obj.
1270         * parameters.cc (set_parameters_target): Call
1271         Target::select_as_default_target().
1272         * target.h (Target::select_as_default_target): New method definition.
1273         (Target::do_select_as_default_target): Same.
1275 2010-02-01  Doug Kwan  <dougkwan@google.com>
1277         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1278         first_output_text_section_.
1279         (Arm_exidx_fixup::first_output_text_section): New method definition.
1280         (Arm_exidx_fixup::first_output_text_section_): New data member.
1281         (Arm_exidx_fixup::process_exidx_section): Record the first text
1282         output section seen.
1283         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1284         and entsize in output section header.
1286 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1288         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1289         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1290         (Arm_relocate_functions::thm_alu11): New Method.
1291         (Arm_relocate_functions::thm_pc8): New Method.
1292         (Arm_relocate_functions::thm_pc12): New Method.
1293         (Target_arm::Scan::local): Handle the relocations.
1294         (Target_arm::Scan::global): Likewise.
1295         (Target_arm::Relocate::relocate): Likewise.
1296         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1298 2010-01-29  Doug Kwan  <dougkwan@google.com>
1300         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1301         of relocation types as ld.
1303 2010-01-29  Doug Kwan  <dougkwan@google.com>
1305         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1306         to public.
1307         (Arm_relocate_functions::thumb_branch_common): Ditto.
1308         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1309         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1310         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1311         Arm_relocate_functions::jump24): Remove.
1312         (Target_arm::Relocate::relocate): Adjust code to call
1313         Arm_relocation_functions::arm_branch_common and
1314         Arm_relocation_functions::thumb_branch_common instead of their removed
1315         wrappers.  Merge switch-cases together to reduce source code size.  
1317 2010-01-29  Doug Kwan  <dougkwan@google.com>
1319         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1320         output_local_symbol_count_needs_update_.
1321         (Arm_relobj::output_local_symbol_count_needs_update,
1322          Arm_relobj::set_output_local_symbol_count_needs_update,
1323          Arm_relobj::update_output_local_symbol_count): New methods.
1324         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1325         member.
1326         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1327         of pointed function as in a R_ARM_PREL31 relocation.
1328         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1329         for output local symbol count updating.
1330         (Target_arm::do_relax): Update output local symbol counts in objects
1331         if necessary.
1332         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1334 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1336         * arm.cc: Added support for the ARM relocations:
1337         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1338         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1339         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1340         movw_prel_nc).
1341         (Arm_relocate_functions::movw_rel): New method.
1342         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1343         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1344         thm_movw_prel_nc).
1345         (Arm_relocate_functions::thm_movw_rel): New method.
1346         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1347         thm_movt_prel).
1348         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1349         relocations.
1350         (Target_arm::Scan::global): Likewise.
1351         (Target_arm::Relocate::relocate): Likewise.
1352         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1353         Likewise.
1355 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1357         * arm.cc: Added support for ARM group relocations.
1358         (Target_arm::reloc_needs_sym_origin): New method.
1359         (Arm_relocate_functions::calc_grp_kn): New method.
1360         (Arm_relocate_functions::calc_grp_residual): New method.
1361         (Arm_relocate_functions::calc_grp_gn): New method.
1362         (Arm_relocate_functions::arm_grp_alu): New Method.
1363         (Arm_relocate_functions::arm_grp_ldr): New Method.
1364         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1365         (Arm_relocate_functions::arm_grp_ldc): New Method.
1366         (Target_arm::Scan::local): Handle the ARM group relocations.
1367         (Target_arm::Scan::global): Likewise.
1368         (Target_arm::Relocate::relocate): Likewise.
1369         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1370         Likewise.
1372 2010-01-26  Doug Kwan  <dougkwan@google.com>
1374         * arm.cc (set): Include.
1375         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1376         pointer type.
1377         (Arm_output_section::Text_section_list): New type.
1378         (Arm_output_section::append_text_sections_to_list): New method.
1379         (Arm_output_section::fix_exidx_coverage): Ditto.
1380         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1381         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1382         Relobj::set_section_offset() instead of
1383         Sized_relobj::invalidate_section_offset().
1384         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1385         parameter for section headers. Ignore relocation sections for
1386         unallocated sections and EXIDX sections.
1387         (Target_arm::fix_exidx_coverage): New method.
1388         (Target_arm::output_section_address_less_than): New type.
1389         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1390         linked text section instead of the EXIDX section.
1391         (Arm_output_section::create_stub_group): Add an assertion to check
1392         that this is not an EXIDX output section.
1393         (Arm_output_section::append_text_sections_to_list): New method.
1394         (Arm_output_section::fix_exidx_coverage): Ditto.
1395         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1396         Arm_relobj::section_needs_reloc_stub_scanning.
1397         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1398         first pass.
1399         (Target_arm::fix_exidx_coverage): New method.
1400         * object.h (Relobj::set_output_section): New method.
1401         (Sized_relobj::invalidate_section_offset): Remove method.
1402         (Sized_relobj::do_invalidate_section_offset): Remove method.
1403         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1405 2010-01-25  Doug Kwan  <dougkwan@google.com>
1407         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1408         Fix warning due to signed and unsigned comparison on a 32-bit host.
1410 2010-01-22  Doug Kwan  <dougkwan@google.com>
1412         * arm.cc (Target_arm::do_relax): Record an output section for section
1413         offset adjustment it contains any stub table that has changed.
1414         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1415         offsets in an output section if necessary.
1416         * output.cc (Output_section::Output_section): Initialize
1417         section_offsets_need_adjustments_.
1418         (Output_section::add_input_section_for_script): Renamed to
1419         Output_section::add_simple_input_section.
1420         (Output_section::save_states): Add a comment.
1421         (Output_section::discard_states): New method defintion.
1422         (Output_section::adjust_section_offsets): Same.
1423         * output.h (Output_section::add_input_section_for_script): Renamed to
1424         Output_section::add_simple_input_section.
1425         (Output_section::discard_states): New method declaration.
1426         (Output_section::adjust_section_offsets): Same.
1427         (Output_section::section_offsets_need_adjustment,
1428         Output_section::set_section_offsets_need_adjustment): New method
1429         definitions.
1430         (Output_section::section_offsets_need_adjustment_): New data member.
1431         * script-sections.cc
1432         (Output_section_element_input::set_section_address): Adjust code for
1433         renaming of Output_section::add_input_section_for_script.
1434         (Orphan_output_section::set_section_address): Same.
1436 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1438         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1439         Fix_v4bx enum values .
1440         * gold/options.h (General_options): New option definitions.
1441         (General_options::fix_v4bx): New method.
1442         (General_options::Fix_v4bx): New enum.
1443         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1444         (General_options::parse_fix_v4bx_interworking): New method.
1446 2010-01-22  Doug Kwan  <dougkwan@google.com>
1448         * arm.cc (Arm_exidx_fixup): New class.
1450 2010-01-21  Doug Kwan  <dougkwan@google.com>
1452         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1453         classes.
1454         (Arm_exidx_section_offset_map): New type.
1456 2010-01-21  Doug Kwan  <dougkwan@google.com>
1458         * arm.cc (Arm_exidx_input_section): New class.
1459         (Arm_relobj::exidx_input_section_by_link,
1460         Arm_relobj::exidx_input_section_by_shndx,
1461         Arm_relobj::make_exidx_input_section): New methods.
1462         (read_arm_attributes_section): Remove.
1463         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1464         information about them.
1465         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1466         to here.
1468 2010-01-20  Doug Kwan  <dougkwan@google.com>
1470         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1471         Input_section_specifier to Section_id.
1472         (Target_arm::new_arm_input_section: Adjust code for change of key
1473         type.
1474         (Target_arm::find_arm_input_section): Ditto.
1475         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1476         (Section_id): Remove.
1477         (Garbage_collection::Section_id_hash): Remove.
1478         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1479         (Section_id): Remove.
1480         (Icf::Section_id_hash): Remove.
1481         * object.h (Section_id, Const_section_id, Section_id_hash,
1482         Const_section_id_hash): New type definitions.
1483         * output.cc (Output_section::add_relaxed_input_section): Change to
1484         use Const_section_id instead of Input_section_specifier as key type.
1485         (Output_section::add_merge_input_section): Ditto.
1486         (Output_section::build_relaxation_map): Change to use Section_id
1487         instead of Input_section_specifier as key type.
1488         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1489         Ditto.
1490         (Output_section::convert_input_sections_to_relaxed_sections): Change
1491         to use Const_section_id instead of Input_section_specifier as key type.
1492         (Output_section::find_merge_section): Ditto.
1493         (Output_section::find_relaxed_input_section): Ditto.
1494         * output.h (Input_section_specifier): Remove class.
1495         (Output_section::Output_section_data_by_input_section_map): Change
1496         key type to Const_section_id.
1497         (Output_section::Output_relaxed_input_section_by_input_section_map):
1498         Ditto.
1499         (Output_section::Relaxation_map): Change key type to Section_id.
1501 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1503         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1504         (class Arm_v4bx_stub): New class.
1505         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1506         (Stub_factory::make_arm_v4bx_stub): New method.
1507         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1508         (Stub_table::empty): Handle v4bx stubs.
1509         (Stub_table::add_arm_v4bx_stub): New method.
1510         (Stub_table::find_arm_v4bx_stub): New method.
1511         (Arm_relocate_functions::v4bx): New method.
1512         (Target_arm::fix_v4bx): New method.
1513         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1514         (Stub_table::relocate_stubs): Likewise.
1515         (Stub_table::do_write): Likewise.
1516         (Stub_table::update_data_size_and_addralign): Likewise.
1517         (Stub_table::finalize_stubs):  Likewise.
1518         (Target_arm::Scan::local): Likewise.
1519         (Target_arm::Scan::global): Likewise.
1520         (Target_arm::do_finalize_sections): Likewise.
1521         (Target_arm::Relocate::relocate): Likewise.
1522         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1523         Likewise.
1524         (Target_arm::scan_reloc_for_stub): Likewise.
1525         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1527 2010-01-19  Ian Lance Taylor  <iant@google.com>
1529         * output.cc (Output_section_headers::do_sized_write): Write large
1530         segment count to sh_info field.
1531         (Output_file_header::do_sized_write): For large segment count,
1532         write PN_XNUM to e_phnum field.
1534 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1536         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1537         (Arm_relocate_functions::thm_jump8): New function.
1538         (Arm_relocate_functions::thm_jump11): New function.
1539         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1540         R_ARM_THM_JUMP11.
1541         (Target_arm::Scan::global): Likewise.
1542         (Target_arm::Relocate::relocate): Likewise.
1543         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1544         Likewise.
1546 2010-01-14  Doug Kwan  <dougkwan@google.com>
1548         * arm.cc (map, utility): Include headers.
1549         (Target_arm::apply_cortex_a8_workaround): New method.
1550         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1551         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1552         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1553         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1554         the --[no-]fix-cortex-a8 command line options.
1555         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1556         (Target_arm::relocate_stub): Use addend in instruction template.
1557         * options.h (DEFINE_bool): Set the user-set flag.
1558         (General_options): Add --[no-]-fix-cortex options.
1559         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1560         : Update fast look-up map after conversion. 
1562 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1564         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1565         in the first pass of do_layout.
1567 2010-01-13  Doug Kwan  <dougkwan@google.com>
1569         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1570         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1571         apparent compiler problem of not folding static constant integral
1572         data members of elfcpp::Elf_sizes<32>.
1574 2010-01-13  Doug Kwan  <dougkwan@google.com>
1576         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1577         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1578         Arm_relobj::scan_section_for_cortex_a8_erratum,
1579         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1580         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1581         sections to scan for relocation stubs into a new method
1582         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1583         relocation and Cortex-A8 stub scanning.
1584         (Target_arm::do_relax): Force stubs to be after stubbed sections
1585         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1586         the beginning of a new relaxation pass.  Update a comment. 
1587         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1589 2010-01-12  Ian Lance Taylor  <iant@google.com>
1591         * target-reloc.h (visibility_error): New inline function.
1592         (relocate_section): Call visibility_error.
1593         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1594         (MOSTLYCLEANFILES): Likewise.
1595         (protected_4_pic.o, protected_3.err): New targets.
1596         * testsuite/protected_4.cc: New file.
1598 2010-01-12  Doug Kwan  <dougkwan@google.com>
1600         * arm.cc (Cortex_a8_reloc): New class.
1601         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1602         and cortex_a8_relocs_info_.
1603         (Target_arm::fix_cortex_a8): New method definition.
1604         (Target_arm::Cortex_a8_relocs_info): New type.
1605         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1606         New data member declarations.
1607         (Target_arm::scan_reloc_for_stub): Record information about
1608         relocations for THUMB branches that might be exempted from the
1609         Cortex-A8 workaround.
1610         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1611         at the beginning of a relaxation pass.
1613 2010-01-12  Doug Kwan  <dougkwan@google.com>
1615         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1616         (Arm_relobj::Mapping_symbol_position,
1617          Arm_reloj::Mapping_symbol_position_less,
1618          Arm_relobj::Mapping_symbols_info): New types.
1619         (Target_arm::is_mapping_symbol_name): New method definition.
1620         (Arm_relobj::do_count_local_symbols): Save information about mapping
1621         symbols.
1623 2010-01-11  Doug Kwan  <dougkwan@google.com>
1625         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1626         Arm_relocate_functions::thumb32_branch_upper,
1627         Arm_relocate_functions::thumb32_branch_lower,
1628         Arm_relocate_functions::thumb32_cond_branch_offset,
1629         Arm_relocate_functions::thumb32_cond_branch_upper,
1630         Arm_relocate_functions::thumb32_cond_branch_lower,
1631         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1632         branch offset encoding.
1633         (Arm_relocate_functions::thumb_branch_common): Use new branch
1634         offset encoding methods to avoid code duplication.
1635         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1636         (Stub_addend_reader::operator()): Use new branch encoding method
1637         to avoid code duplication.
1639 2010-01-11  Doug Kwan  <dougkwan@google.com>
1641         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1642         (Target_arm::do_finalize_sections): Define special EXIDX section
1643         symbols only if referenced.
1644         * gc.h (Garbage_collection::add_reference): New method.
1645         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1646         code duplication.
1648 2010-01-11  Ian Lance Taylor  <iant@google.com>
1650         * script.cc (Version_script_info::build_expression_list_lookup):
1651         Change complaing about duplicate wildcard match from error to
1652         warning.
1654         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1655         of 2009-12-30.
1656         (Version_script_info::Version_script_info): Initialize globs_,
1657         default_version_, default_is_global_, and exact_.  Don't
1658         initialize globals_ or locals_.
1659         (Version_script_info::build_lookup_tables): Build local symbols
1660         first.
1661         (Version_script_info::unquote): New function.
1662         (Version_script_info::add_exact_match): New function.
1663         (Version_script_info::build_expression_list_lookup): Remove lookup
1664         parameter.  Add is_global parameter.  Change all callers.  Handle
1665         wildcard pattern specially.  Unquote pattern.  Call
1666         add_exact_match.
1667         (Version_script_info::get_name_to_match): New function.
1668         (Version_script_info::get_symbol_version): New function.
1669         (Version_script_info::get_symbol_version_helper): Remove.
1670         (Version_script_info::check_unmatched_names): Call unquote.
1671         * script.h (class Version_script_info): Change get_symbol_version
1672         to be non-inline and add is_global parameter; change all callers.
1673         Rewrite symbol_is_local.  Update declarations.  Define struct
1674         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1675         Remove globals_ and locals_ members.  Add exact_, globs_,
1676         default_version_, is_global_.
1677         (Version_script_info::Glob): Remove pattern, add expression and
1678         is_global.  Update constructor.  Change all callers.
1679         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1680         default version.
1681         (Versions::symbol_section_contents): If a symbol is undefined, or
1682         defined in a dynamic object, set the version index to
1683         VER_NDX_LOCAL.
1684         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1685         symbol_is_local.
1686         (Symbol_table::add_from_pluginobj): Likewise.
1687         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1689 2010-01-11  Doug Kwan  <dougkwan@google.com>
1691         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1692         (incremental_dump_LDADD): Add linking option for libintl.
1693         * Makefile.in: Regenerate.
1695 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1697         PR gold/11144
1698         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1699         instead of -Ds.
1700         * testsuite/Makefile.in: Regenerated.
1702 2010-01-10  Doug Kwan  <dougkwan@google.com>
1704         * options.h (DEFINE_var): Use parentheses around argument varname__
1705         in macro body to avoid any unintended subsequent substitutions.
1707 2010-01-10  Ian Lance Taylor  <iant@google.com>
1709         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1710         candidates before doing symbol resolution.
1712         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1713         ODR candidates if only one is weak.
1715 2010-01-08  Ian Lance Taylor  <iant@google.com>
1717         * script.cc (Version_script_info::build_expression_list_lookup):
1718         Don't warn about ambiguous version, just record the ambiguity.
1719         (Version_script_info::get_symbol_version_helper): Give error if
1720         version is ambiguous.
1722 2010-01-08  Doug Kwan  <dougkwan@google.com>
1724         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1725           prev_data_size_ and prev_addralign_.  Remove initializer for
1726           deleted data member has_been_changed_.
1727           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1728           to determine if the table is empty.
1729           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1730           Remove.
1731           (Stub_table::add_reloc_stub): Define method in class definition
1732           instead of just declaring it there.
1733           (Stub_table::add_cortex_a8_stub): New method definition.
1734           (Stub_table::update_data_size_and_addralign): Ditto.
1735           (Stub_table::finalize_stubs): Ditto.
1736           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1737           (Stub_table::do_addralign_): Return address alignment in the
1738           (Stub_table::do_reset_address_and_file_offset): Define method in
1739           class definition instead of declaring it there.  Set current data
1740           size to be the data size of the previous pass.
1741           (Stub_table::set_final_data_size): Use current data size as the
1742           final data size.
1743           (Stub_table::relocate_stub): Change parameter type of stub from
1744           Reloc_stub pointer to Stub pointer.
1745           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1746           (Stub_table::Cortex_a8_stub_list): New typedef.
1747           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1748            Stub_table::prev_addralign_): New data member.
1749           (Arm_relobj::Arm_relobj): Initialize data member
1750           section_has_cortex_a8_workaround_.
1751           (Arm_relobj::section_has_cortex_a8_workaround,
1752            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1753            definitions.
1754           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1755           declarations.
1756           (Target_arm::relocate_stub): Change parameter type of stub from
1757           Reloc_stub pointer to Stub pointer.
1758           (Insn_template::size, Insn_template::alignment): Handle
1759           THUMB16_SPECIAL_TYPE.
1760           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1761            Stub_table::update_data_size_and_addralign,
1762            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1763           definitions.
1764           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1765           (Stub_table::do_write): Ditto.
1766           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1768 2010-01-08  Ian Lance Taylor  <iant@google.com>
1770         PR 11108
1771         * symtab.h (class Symbol): Remove fields is_target_special_ and
1772         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1773         (Symbol::is_defined_in_discarded_section): New function.
1774         (Symbol::set_is_defined_in_discarded_section): New function.
1775         (Symbol::has_plt_offset): Rewrite.
1776         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1777         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1778         Don't initialize is_target_special_ or has_plt_offset_.
1779         Initialize is_defined_in_discarded_section_.
1780         (Symbol_table::add_from_relobj): If appropriate, set
1781         is_defined_in_discarded_section.
1782         * resolve.cc (Symbol::override_base_with_special): Don't test
1783         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1784         * target-reloc.h (relocate_section): Do special handling for
1785         symbols defined in discarded sections for global symbols as well
1786         as local symbols.
1788 2010-01-08  Ian Lance Taylor  <iant@google.com>
1790         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1791         the SHT_SYMTAB case.
1793 2010-01-08  Ian Lance Taylor  <iant@google.com>
1795         * object.cc (Sized_relobj::do_layout): Don't get confused if
1796         layout_eh_frame returns NULL.
1798 2010-01-08  Ian Lance Taylor  <iant@google.com>
1800         PR 11084
1801         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1802         dynamic symbol table, use the normal symbol table.
1803         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1804         symbol table.
1806 2010-01-08  Ian Lance Taylor  <iant@google.com>
1808         PR 11072
1809         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1810         sections.
1812 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1814         * version.cc (print_version): Change to "Copyright 2010".
1816 2010-01-08  Ian Lance Taylor  <iant@google.com>
1818         PR 10287
1819         PR 11063
1820         * i386.cc (class Target_i386): Change return type of plt_section
1821         to be non-const.
1822         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1823         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1824         tls_desc_rel_ field.
1825         (Output_data_plt_i386::rel_tls_desc): New function.
1826         (Target_i386::rel_tls_desc_section): New function.
1827         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1828         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1829         R_386_TLS_DESC reloc in rel_tls_desc_section.
1830         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1831         Define struct Tlsdesc_info.
1832         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1833         (Target_x86_64::do_reloc_symbol_index): New function.
1834         (Target_x86_64::add_tlsdesc_info): New function.
1835         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1836         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1837         tlsdesc_rel_ field.
1838         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1839         all callers.
1840         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1841         (Target_x86_64::rela_tlsdesc_section): New function.
1842         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1843         handling.
1844         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1845         (Target_x86_64::do_reloc_addend): New function.
1846         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1847         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1848         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1849         (Output_reloc::type): New function.
1850         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1851         (Output_reloc::is_target_specific): New function.
1852         (Output_reloc::target_arg): New function.
1853         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1854         absolute relocs and target specific relocs.
1855         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1856         add_target_specific.
1857         (class Output_data_reloc) [SHT_RELA]: Likewise.
1858         * output.cc (Output_reloc::Output_reloc): Add four new versions
1859         for absolute relocs and target specific relocs.
1860         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1861         (Output_reloc::get_symbol_index): Likewise.
1862         (Output_reloc::local_section_offset): Check that local_sym_index_
1863         is not TARGET_CODE or 0.
1864         (Output_reloc::symbol_value): Likewise.
1865         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1866         reloc.
1867         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1868         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1869         functions.
1870         * layout.cc (add_target_dynamic_tags): Use output section for
1871         DT_PLTRELSZ and DT_JMPREL.
1873 2010-01-07  Ian Lance Taylor  <iant@google.com>
1875         PR 11061
1876         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1877         function.
1878         (class Output_data_reloc_generic): Define.
1879         (class Output_data_reloc_base): Change base class to
1880         Output_data_reloc_generic.  Change add() method to call
1881         bump_relative_reloc_count for a relative reloc.  Remove
1882         sort_relocs_ field.
1883         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1884         to sort_relocs().
1885         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1886         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1887         appropriate.
1888         * layout.h (class Layout): Update declaration.
1890 2010-01-07  Ian Lance Taylor  <iant@google.com>
1892         * output.h (class Output_data): Add const version of
1893         output_section and do_output_section.
1894         (class Output_section_data): Add const version of
1895         do_output_section.
1896         (class Output_section): Likewise.
1897         * layout.cc (Layout::add_target_dynamic_tags): New function.
1898         * layout.h (class Layout): Update declarations.
1899         * arm.cc (Target_arm::do_finalize_sections): Use
1900         add_target_dynamic_tags.
1901         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1902         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1903         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1904         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1906 2010-01-07  Ian Lance Taylor  <iant@google.com>
1908         PR 11042
1909         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1910         object as needed.
1912 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1913             Ian Lance Taylor  <iant@google.com>
1915         PR 11019
1916         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1917         Xindex::read_symtab_xindex.
1919 2010-01-07  Doug Kwan  <dougkwan@google.com>
1921         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1922         (Insn_template::thumb16_bcond_insn): New method declaration.
1923         (Insn_template): Fix spelling.
1924         (Stub::thumb16_special): New method declaration.
1925         (Stub::do_write): Define virtual method which was previously pure
1926         virtual.
1927         (Stub::do_thumb16_special): New method declaration.
1928         (Stub::do_fixed_endian_write): New template member.
1929         (Reloc_stub::do_write): Remove.
1930         (Reloc_stub::do_fixed_endian_write): Remove.
1931         (Cortex_a8_stub): New class definition.
1932         (Stub_factory::make_cortex_a8_stub): New method definition.
1933         (Stub_factory::Stub_factory): Add missing static storage class
1934         qualifier for elf32_arm_stub_a8_veneer_blx.
1936 2010-01-07  Ian Lance Taylor  <iant@google.com>
1938         PR 10980
1939         * options.h (class General_options): Add --warn-unresolved-symbols
1940         and --error-unresolved-symbols.
1941         * errors.cc (Errors::undefined_symbol): Implement
1942         --warn-unresolved-symbols.
1944         * options.h (class General_options): Add -z text and -z textoff.
1945         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1947 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1949         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1950         (Garbage_collection::cident_sections): New function.
1951         (Garbage_collection::add_cident_section): New function.
1952         (Garbage_collection::cident_sections_): New member.
1953         (gc_process_relocs): Add references to sections whose names are C
1954         identifiers.
1955         * gold.h (cident_section_start_prefix): New constant.
1956         (cident_section_stop_prefix): New constant.
1957         (is_cident): New function.
1958         * layout.cc (Layout::define_section_symbols): Replace string constants
1959         with the newly defined constants.
1960         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1961         C identifiers.
1962         * testsuite/Makefile.am: Add gc_orphan_section_test.
1963         * testsuite/Makefile.in: Regenerate.
1964         * testsuite/gc_orphan_section_test.cc: New file.
1965         * testsuite/gc_orphan_section_test.sh: New file.
1967 2010-01-06  Ian Lance Taylor  <iant@google.com>
1969         PR 10980
1970         * options.h (class General_options): Add --warn-shared-textrel.
1971         * layout.cc (Layout::finish_dynamic_section): Implement
1972         --warn-shared-textrel.
1974         PR 10980
1975         * options.h (class General_options): Add --warn-multiple-gp.
1977 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1979         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1980         $(THREADSLIB) and $(LIBDL).
1981         * Makefile.in: Rebuild.
1983 2010-01-06  Ian Lance Taylor  <iant@google.com>
1985         PR 10980
1986         * options.cc (General_options::parse_section_start): New function.
1987         (General_options::section_start): New function.
1988         (General_options::General_options): Initialize all members.
1989         * options.h: Include <map>
1990         (class General_options): Add --section-start.  Add section_starts_
1991         member.
1992         * layout.cc (Layout::attach_allocated_section_to_segment): If
1993         --section-start was used, set the address of the segment.  Remove
1994         local sort_sections.
1995         (Layout::relaxation_loop_body): If the address of the load segment
1996         has been set by --section-start, don't use it.
1997         * output.h (Output_segment::update_flags_for_output_section): New
1998         function.
1999         * output.cc (Output_segment::add_output_section): Call
2000         update_flags_for_output_section.
2002 2010-01-05  Ian Lance Taylor  <iant@google.com>
2004         PR 10980
2005         * options.h (class General_options): Add --undefined-version.
2006         * script.cc (struct Version_expression): Add was_matched_by_symbol
2007         field.
2008         (Version_script_info::matched_symbol): New function.
2009         (Version_script_info::get_symbol_version_helper): Call
2010         matched_symbol.
2011         (Version_script_info::check_unmatched_names): New function.
2012         * script.h (class Version_script_info): Update declarations.
2013         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2015         * options.h (class General_options): Use DEFINE_bool_alias for
2016         allow_multiple_definition.
2017         * resolve.cc (Symbol_table::should_override): Don't test
2018         allow_multiple_definition.
2020         PR 10980
2021         * options.h (class General_options): Add --cref.
2022         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2023         until after printing cref table.
2024         * cref.cc: Include "symtab.h".
2025         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2026         (Cref_table_compare::operator()): New function.
2027         (Cref_inputs::gather_cref): New function.
2028         (filecol): New static const.
2029         (Cref_inputs::print_cref): New function.
2030         (Cref::print_cref): New function.
2031         * cref.h: Include <cstdio>.
2032         (class Cref): Update declarations.
2033         * mapfile.h (Mapfile::file): New function.
2034         * object.h (class Object): Define Symbols.  Declare virtual
2035         do_get_global_symbols.
2036         (Object::get_global_symbols): New function.
2037         * object.cc (Input_objects::add_object): Pass object to cref_ if
2038         --cref.
2039         (Input_objects::archive_start): Likewise.
2040         (Input_objects::archive_stop): Likewise.
2041         (Input_objects::print_cref): New function.
2042         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2043         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2044         --cref.
2045         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2046         function.
2047         * plugin.h (class Sized_pluginobj): Update declarations.
2049 2010-01-05  Ian Lance Taylor  <iant@google.com>
2051         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2052         to is_default_version.  Rename insdef to insdefault.
2053         (Symbol_table::add_from_relobj): Rename def to is_default_version
2054         and local to is_forced_local.
2055         (Symbol_table::add_from_pluginobj): Likewise.
2056         (Symbol_table::add_from_dynobj): Likewise.
2057         (Symbol_table::define_special_symbol): Rename insdef to
2058         insdefault.
2060 2010-01-04  Ian Lance Taylor  <iant@google.com>
2062         PR 10980
2063         * options.h (class General_options): Add
2064         --allow-multiple-definition and -z muldefs.
2065         * resolve.cc (Symbol_table::should_override): Don't warn about a
2066         multiple symbol definition if --allow-multiple-definition or -z
2067         muldefs.
2069         PR 10980
2070         * options.h (class General_options): Add --add-needed and
2071         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2072         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2073         error if --copy-dt-needed-entries aka --add-needed is used and
2074         would cause a change in behaviour.
2076         PR 10980
2077         * options.h (class General_options): Add -G as a short version of
2078         --shared.  Add no-op options -assert, -g, and -i.
2080 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2082         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2083         check for .text or .gnu.linkonce.t sections.
2084         * icf.cc (Icf::find_identical_sections): Ditto.
2085         Change the detection for mangled function name within the section
2086         name.
2087         * icf.h (is_section_foldable_candidate): New function.
2089 2009-12-30  Ian Lance Taylor  <iant@google.com>
2091         PR 10980
2092         * options.h (class General_options): Permit two dashes with
2093         --retain-symbols-file.
2095 2009-12-30  Ian Lance Taylor  <iant@google.com>
2097         PR 10979
2098         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2099         don't put the file header and segment headers in the text
2100         segment.
2102         PR 10979
2103         * common.cc (Sort_commons::operator()): Stabilize sort when both
2104         entries are NULL.
2105         (Symbol_table::do_allocate_commons_list): When allocating common
2106         symbols, skip a symbol which is no longer common.
2107         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2108         an object before checking its type.
2109         * testsuite/common_test_2.c: New file.
2110         * testsuite/common_test_3.c: New file.
2111         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2112         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2113         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2114         (common_test_2_pic.o, common_test_2.so): New targets.
2115         (common_test_3_pic.o, common_test_3.so): New targets.
2116         * testsuite/Makefile.in: Rebuild.
2118         PR 10979
2119         * script.cc (read_input_script): If we see a new SECTIONS clause,
2120         and we have added an input section, give an error.
2121         * layout.h (class Layout): Add have_added_input_section function.
2122         Add have_added_input_section_ field.
2123         * layout.cc (Layout::Layout): Initialize
2124         have_added_input_section_.
2125         (Layout::layout): Set have_added_input_section_.
2126         (Layout::layout_eh_frame): Likewise.
2128 2009-12-30  Ian Lance Taylor  <iant@google.com>
2130         PR 10931
2131         * options.h (class General_options): Add --sort-common option.
2132         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2133         * common.cc (Sort_common): Add sort_order parameter to
2134         constructor.  Add sort_order_ field.
2135         (Sort_commons::operator): Check sort_order_.
2136         (Symbol_table::allocate_commons): Determine the sort order.
2137         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2138         Change all callers.
2139         (Symbol_table::do_allocate_commons_list): Likewise.
2141 2009-12-30  Ian Lance Taylor  <iant@google.com>
2143         PR 10916
2144         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2145         symbols from this object, don't change the visibility of an
2146         undefined symbol.
2147         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2149 2009-12-30  Ian Lance Taylor  <iant@google.com>
2151         PR 10861
2152         * script.h (class Version_script_info): Define Language enum.
2153         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2154         new fields globals_, locals_, and is_finalized_.
2155         * script.cc: Various formatting fixes.
2156         (class Parser_closure): Change language_stack_ from a vector of
2157         std::string to one of Version_script_info::Language.  Adjust all
2158         uses accordingly.
2159         (class Lazy_demangler): Remove.
2160         (struct Version_expression): Change language from std::string to
2161         Version_script_info::Language.
2162         (Version_script_info::Version_script_info): New function.
2163         (Version_script_info::~Version_script_info): Don't call clear.
2164         (Version_script_info::finalize): New function.
2165         (Version_script_info::build_lookup_tables): New function.
2166         (Version_script_info::build_expression_list_lookup): New
2167         function.
2168         (Version_script_info::get_symbol_version_helper): Rewrite to use
2169         lookup tables.
2170         (Version_script_info::print_expression_list): Adjust to use
2171         Version_script_info::Language.
2172         (script_push_lex_into_version_mode): Check that the version script
2173         has not been finalized.
2174         (version_script_push_lang): Change language string to
2175         Version_script_info::Language.
2176         * options.cc (Command_line::version_script): New function.
2177         * options.h (class General_options): Add finalize_dynamic_list
2178         function.  Change version_script from declaration to definition.
2179         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2180         * testsuite/version_script.map: Remove duplicate def of foo.
2181         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2182         version_script.map.
2183         * testsuite/Makefile.in: Rebuild.
2185 2009-12-30  Ian Lance Taylor  <iant@google.com>
2187         PR 10843
2188         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2189         if the input symbol index is 0, make the output symbol index 0.
2191 2009-12-30  Ian Lance Taylor  <iant@google.com>
2193         PR 10670
2194         * options.h (class General_options): Add -x/--discard-all.
2195         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2196         --discard-all.  If the local symbol needs a dynamic entry, check
2197         that before handling --discard-locals.
2199 2009-12-30  Ian Lance Taylor  <iant@google.com>
2201         PR 10450
2202         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2203         flags to PF_R.
2204         (Output_segment::add_output_section): Don't change the flags if
2205         the type is PT_TLS.
2207         PR 10450
2208         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2209         GNU hash table if they need a dynamic value.  Otherwise, don't add
2210         them if they are defined in a dynamic object or are forced local.
2212 2009-12-29  Ian Lance Taylor  <iant@google.com>
2214         PR 10450
2215         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2216         .gnu.hash table for a 32-bit target.
2218         PR 10450
2219         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2220         regular and a dynamic object only needs a dynamic symbol table
2221         entry if it is externally visible.
2223         PR 10450
2224         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2225         constructor.  Add global_offset_table_ field.
2226         (Target_i386::got_section): Set global_offset_table_.
2227         (Target_i386::do_finalize_sections): Set global_offset_table_
2228         size.
2229         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2230         in constructor.  Add global_offset_table_ field.
2231         (Target_x86_64::got_section): Set global_offset_table_.
2232         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2233         size.
2235         * layout.cc (Layout::Layout): Initialize increase_relro_.
2236         (Layout::get_output_section): Add is_relro, is_last_relro, and
2237         is_first_non_relro parameters.  Change all callers.
2238         (Layout::choose_output_section): Likewise.
2239         (Layout::add_output_section_data): Likewise.
2240         (Layout::make_output_section): Likewise.
2241         (Layout::set_segment_offsets): Clear increase_relro when using a
2242         linker script.
2243         * layout.h (class Layout): Add increase_relro method.  Add
2244         increase_relro_ field.  Update declarations.
2245         * output.cc (Output_section::Output_section): Initialize
2246         is_last_relro_ and is_first_non_relro_.
2247         (Output_segment::add_output_section): Group relro sections is
2248         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2249         (Output_segment::maximum_alignment): Remove relro handling.
2250         (Output_segment::set_section_addresses): Add increase_relro
2251         parameter.  Change all callers.  Add initial alignment to align
2252         relro sections on separate page.  Remove old relro handling.
2253         (Output_segment::set_section_list_addresses): Remove in_relro
2254         parameter.  Change all callers.
2255         (Output_segment::set_offset): Add increase parameter.  Change all
2256         callers.  Remove old relro handling.
2257         * output.h (class Output_section): Add new methods: is_last_relro,
2258         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2259         Add is_last_relro_ and is_first_non_relro_ fields.
2260         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2261         Create separate .got.plt section.  Call increase_relro.
2262         * x86_64.cc (Target_x86_64::got_section): Likewise.
2263         * testsuite/relro_script_test.t: Add .got.plt.
2265         PR 10450
2266         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2267         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2268         (Layout::finalize): Call set_dynamic_symbol_size.
2269         (Layout::set_dynamic_symbol_size): New function.
2270         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2271         set_dynamic_symbol_size.
2273         PR 10450
2274         * output.h (class Output_section): Add is_entsize_zero_ field.
2275         * output.cc (Output_section::Output_section): Initialize
2276         is_entsize_zero_.
2277         (Output_section::set_entsize): If two different entsizes are
2278         requested, force it to zero.
2279         (Output_section::add_input_section): Set flags for .debug_str
2280         before updating section flags.  Set entsize.
2281         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2282         and SHF_STRING if all input sections have those flags.
2284 2009-12-29   Rafael Espindola  <espindola@google.com>
2286         * main.cc (main): Fix the sys time reporting.
2287         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2288         reporting.
2290 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2292         * options.cc (General_options::parse_version): Allow -v to exit
2293         without an error if there is nothing to link.
2295 2009-12-29  Ian Lance Taylor  <iant@google.com>
2297         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2298         using a version of gcc before 4.1.
2299         * configure: Rebuild.
2301 2009-12-28  Chris Demetriou  <cgd@google.com>
2303         * attributes.cc (Output_attributes_section_data::do_write): Use
2304         std::vector::front rather than std::vector::data.
2306 2009-12-28  Ian Lance Taylor  <iant@google.com>
2308         * symtab.h (class Symbol_table): Add enum Defined.
2309         * resolve.cc (Symbol_table::should_override): Add defined
2310         parameter.  Change all callers.  Test whether object is NULL
2311         before calling a method on it.
2312         (Symbol_table::report_resolve_problem): Add defined parameter.
2313         Change all callers.
2314         (Symbol_table::should_override_with_special): Likewise.
2315         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2316         parameter.  Change all callers.
2317         (Symbol_table::do_define_in_output_data): Likewise.
2318         (Symbol_table::define_in_output_segment): Likewise.
2319         (Symbol_table::do_define_in_output_segment): Likewise.
2320         (Symbol_table::define_as_constant): Likewise.
2321         (Symbol_table::do_define_as_constant): Likewise.
2322         * script.h (class Symbol_assignment): Add is_defsym parameter to
2323         constructor; change all callers.
2324         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2325         parameter.  Change all callers.  Add is_defsym_ field.
2326         (class Parser_closure): Add parsing_defsym parameter to
2327         constructor; change all callers.  Add parsing_defsym accessor
2328         function.  Add parsing_defsym_ field.
2330 2009-12-28  Ian Lance Taylor  <iant@google.com>
2332         * gold.cc (queue_middle_tasks): Fix formatting.
2333         * object.cc (Relobj::is_section_name_included): Likewise.
2335 2009-12-23  Ian Lance Taylor  <iant@google.com>
2337         * i386.cc (Target_i386::do_calls_non_split): Recognize
2338         -fsplit-stack prologue for a function with a static chain.
2339         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2340         -fsplit-stack prologue when using %r11.
2342 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2344         * options.cc (General_options::parse_version): Make -v continue and do
2345         the link like GNU ld does.
2347 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2349         * Makefile.am (CCFILES): Add timer.cc.
2350         (HFILES): Add timer.h.
2351         * configure.ac: Check for sysconf and times.
2352         * main.cc: include timer.h.
2353         (main): Use Timer instead of get_run_time.
2354         * timer.cc: New.
2355         * timer.h: New.
2356         * workqueue.cc: include timer.h.
2357         (Workqueue::find_and_run_task):
2358         Report user, sys and wall time.
2359         * Makefile.in: Regenerate.
2360         * config.in: Regenerate.
2361         * configure: Regenerate.
2363 2009-12-16  Doug Kwan  <dougkwan@google.com>
2365         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2366         sections.
2367         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2368         relaxed input sections.
2369         * output.cc (Output_section::find_relaxed_input_section): Change
2370         return type to Output_relaxed_input_section pointer.  Adjust code
2371         for new type of relaxed_input_section_map_.
2372         * output.h (Output_section::find_relaxed_input_section): Change
2373         return type to Output_relaxed_input_section pointer.
2374         (Output_section::Output_relaxed_input_section_by_input_section_map):
2375         New type.
2376         (Output_section::relaxed_input_section_map_): Change type to
2377         Output_section::Output_relaxed_input_section_by_input_section_map.
2378         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2379         input section.
2381 2009-12-15  Ian Lance Taylor  <iant@google.com>
2383         * layout.cc (Layout::create_shstrtab): Only write out after input
2384         sections if we are compressing debug sections.
2386 2009-12-15  Ian Lance Taylor  <iant@google.com>
2388         * archive.cc (Archive::add_symbols): Only look up a symbol without
2389         a version if there is, in fact, a version.
2391 2009-12-14  Ian Lance Taylor  <iant@google.com>
2393         Revert -Wshadow changes, all changes from:
2394         2009-12-11  Doug Kwan  <dougkwan@google.com>
2395         2009-12-11  Nick Clifton  <nickc@redhat.com>
2396         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2398 2009-12-11  Doug Kwan  <dougkwan@google.com>
2400         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2401         due to -Wshadow.
2402         * attributes.cc (Object_attribute::size): Ditto.
2403         (Attributes_section_data::size): Ditto.
2404         (Attributes_section_data::Attributes_section_data): Ditto.
2405         (Output_attributes_section_data::do_write): Ditto.
2406         * attributes.h (Object_attribute::set_type): Ditto.
2407         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2409 2009-12-11  Nick Clifton  <nickc@redhat.com>
2411         * archive.cc: Fix shadowed variable warnings.
2412         * arm.cc: Likewise.
2413         * compressed_output.cc: Likewise.
2414         * compressed_output.h: Likewise.
2415         * configure: Likewise.
2416         * dwarf_reader.cc: Likewise.
2417         * dynobj.cc: Likewise.
2418         * dynobj.h: Likewise.
2419         * ehframe.cc: Likewise.
2420         * ehframe.h: Likewise.
2421         * errors.cc: Likewise.
2422         * expression.cc: Likewise.
2423         * fileread.cc: Likewise.
2424         * fileread.h: Likewise.
2425         * freebsd.h: Likewise.
2426         * i386.cc: Likewise.
2427         * icf.cc: Likewise.
2428         * incremental.h: Likewise.
2429         * layout.cc: Likewise.
2430         * layout.h: Likewise.
2431         * mapfile.cc: Likewise.
2432         * merge.cc: Likewise.
2433         * merge.h: Likewise.
2434         * object.cc: Likewise.
2435         * object.h: Likewise.
2436         * options.h: Likewise.
2437         * output.cc: Likewise.
2438         * output.h: Likewise.
2439         * parameters.cc: Likewise.
2440         * plugin.cc: Likewise.
2441         * powerpc.cc: Likewise.
2442         * reduced_debug_output.cc: Likewise.
2443         * reduced_debug_output.h: Likewise.
2444         * reloc.cc: Likewise.
2445         * reloc.h: Likewise.
2446         * resolve.cc: Likewise.
2447         * script-sections.cc: Likewise.
2448         * script.cc: Likewise.
2449         * script.h: Likewise.
2450         * sparc.cc: Likewise.
2451         * symtab.cc: Likewise.
2452         * symtab.h: Likewise.
2453         * target-select.cc: Likewise.
2454         * target-select.h: Likewise.
2455         * token.h: Likewise.
2456         * workqueue.cc: Likewise.
2457         * workqueue.h: Likewise.
2458         * x86_64.cc: Likewise.
2460 2009-12-10  Doug Kwan  <dougkwan@google.com>
2462         * arm.cc (attributes.h): New include.
2463         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2464         (Arm_relobj::~Arm_relobj): Delete object pointed by
2465         attributes_section_data_.
2466         (Arm_relobj::attributes_section_data): New method definition.
2467         (Arm_relobj::attributes_section_data_): New data member declaration.
2468         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2469         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2470         attributes_section_data_.
2471         (Arm_dynobj::attributes_section_data): New method definition.
2472         (Arm_dynobj::attributes_section_data_): New data member declaration.
2473         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2474         initialization value of may_use_blx_ to false.
2475         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2476         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2477         object attributes to compute results instead of hard-coding.
2478         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2479         Target_arm::get_secondary_compatible_arch,
2480         Target_arm::set_secondary_compatible_arch
2481         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2482         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2483         New method declarations.
2484         (Target_arm::get_aeabi_object_attribute): New method definition.
2485         (Target_arm::attributes_section_data_): New data member declaration.
2486         (read_arm_attributes_section): New template definition.
2487         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2488         (Arm_dynobj::do_read_symbols): Ditto.
2489         (Target_arm::do_finalize_sections): Merge attributes sections from
2490         input.  Check for BLX use after attributes section merging.
2491         Fix __exidx_start and __exidx_end visibility.  Create an
2492         .ARM.attributes section if necessary.
2493         (Target_arm::get_secondary_compatible_arch,
2494         Target_arm::set_secondary_compatible_arch,
2495         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2496         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2497         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2498         New method definitions.
2500 2009-12-09  Ian Lance Taylor  <iant@google.com>
2502         * plugin.cc (Plugin::load): Don't cast from void* to a function
2503         pointer.
2505 2009-12-09  Ian Lance Taylor  <iant@google.com>
2507         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2508         information fields.
2510 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2512         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2513         Replace two_file_shared_1.so with two_file_shared_2.so.
2514         * testsuite/Makefile.in: Regenerated.
2516 2009-12-08  Doug Kwan  <dougkwan@google.com>
2518         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2519         (HFILES): Add attributes.h and int_encoding.h.
2520         * Makefile.in: Regenerate.
2521         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2522         function definitions to int_encoding.cc
2523         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2524         prototypes to int_encoding.h
2525         * reduced_debug_output.cc (int_encoding.h): New include.
2526         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2527         function definitions to int_encoding.cc
2528         (insert_into_vector, read_from_pointer): Move template definitions to
2529         int_encoding.h
2530         * attributes.cc: New file.
2531         * attributes.h: New file.
2532         * int_encoding.cc: New file.
2533         * int_encoding.h: New file.
2535 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2537         PR gold/11055
2538         * incremental-dump.cc (dump_incremental_inputs): New.
2539         (main): Use dump_incremental_inputs.
2541 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2543         PR gold/10893
2544         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2545         checking elfcpp::STT_FUNC.
2546         (Target_i386::Relocate::relocate): Likewise.
2547         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2549         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2550         symbols from shared libraries into normal FUNC symbols.
2552         * symtab.h (Symbol): Add is_func and use it.
2554 2009-12-05  Doug Kwan  <dougkwan@google.com>
2556         * arm.cc (Target_arm::arm_info): Initialize new fields
2557         attributes_section and attributes_vendor.
2558         * i386.cc (Target_i386::i386_info): Same.
2559         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2560         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2561         fields attributes_section and attributes_vendor.
2562         * sparc.cc (Target_sparc::sparc_info): Same.
2563         * target.h (Target::attributes_section, Target::attributes_vendor,
2564         Target::is_attributes_section, Target::attribute_arg_type,
2565         Target::attributes_order): New method definitions.
2566         (Target::Target_info::attributes_section,
2567         Target::Target_info::attributes_vendor): New fields.
2568         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2569         virtual method definitions.
2570         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2571         attributes_section and attributes_vendor.
2572         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2574 2009-12-05  Doug Kwan  <dougkwan@google.com>
2576         * arm.cc: Update comments about interworking and stub generation.
2577         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2578         considered as non-PIC.
2579         (Arm_relocate_functions::base_abs): Fix formatting.
2580         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2581         of function to use GOT entry address instead of offset.
2582         (Target_arm::Scan::global): Issue an error if a symbol would need a
2583         PLT does not get one because it is untyped.  Remove code to create
2584         dynamic symbols for relative branches.
2585         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2586         takes unsigned integer instead of boolean.
2588 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2590         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2591         (two_file_test_LDADD): Likewise.
2592         (common_test_1_LDADD): Likewise.
2593         (exception_test_LDADD) Likewise.
2594         (weak_test_LDADD): Likewise.
2595         (many_sections_test_LDADD): Likewise.
2596         (initpri1_LDADD): Likewise.
2597         (script_test_1_LDADD): Likewise.
2598         (script_test_2_LDADD): Likewise.
2599         (justsyms_LDADD): Likewise.
2600         (binary_test_LDADD): Likewise.
2601         (large_LDADD): Likewise.
2602         * testsuite/Makefile.in: Regenerated.
2604 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2606         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2607         (Symbol_table::override_with_special): Likewise.
2608         (Symbol_table::add_from_object): Likewise.
2610 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2612         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2613         Don't set the data_offset twice.
2615 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2617         * testsuite/Makefile.in: Regenerate.
2619 2009-12-03  Doug Kwan  <dougkwan@google.com>
2621         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2622         (Target_arm::do_finalize_sections): Add parameter for symbol table
2623         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2624         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2625         parameter for symbol table pointer.
2626         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2627         an additional parameter for a pointer to symbol table.
2628         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2629         parameter for a symbol table pointer.
2630         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2631         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2632         Ditto.
2633         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2634         parameter for a symbol table pointer.
2636 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2638         * incremental.cc (Incremental_inputs_header)
2639         (Incremental_inputs_header_write, Incremental_inputs_entry)
2640         (Incremental_inputs_entry_write): Move ...
2641         * incremental.h (Incremental_inputs_header)
2642         (Incremental_inputs_header_write, Incremental_inputs_entry)
2643         (Incremental_inputs_entry_write): here.
2645 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2647         * incremental.cc (make_sized_incremental_binary): Set the target.
2648         Error if it is incompatible.
2649         * output.h (Output_file): Add filename method.
2651 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2653         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2654         from the get_* methods.
2656 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2658         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2659         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2660         Write 0 for the data_offset of scripts.
2662 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2664         * testsuite/Makefile.am: Add the incremental_test.sh test.
2665         * testsuite/incremental_test.sh: New.
2666         * testsuite/incremental_test_1.c: New.
2667         * testsuite/incremental_test_2.c: New.
2669 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2671        * incremental-dump.cc (main): Fix typos.
2673 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2675         PR gold/11025
2676         * incremental-dump.cc (main): Use llu to print 64 bit values.
2678 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2679             H.J. Lu  <hongjiu.lu@intel.com>
2681         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2682         $(LIBDL).
2683         (incremental_dump_LDADD): Likewise.
2684         * Makefile.in: Regenerated.
2686 2009-11-25  Doug Kwan  <dougkwan@google.com>
2687         
2688         Revert:
2690         2009-11-25  Doug Kwan  <dougkwan@google.com>
2692                 * arm.cc (Target_arm::Target_arm): Move method definition
2693                 outside of class definition.  Add code to handle
2694                 --target1-rel, --target1-abs and --target2= options.
2695                 (Target_arm::get_reloc_reloc_type): Change method to be
2696                 non-static and const.
2697                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2698                 New data member declaration.
2699                 (Target_arm::Scan::local, Target_arm::Scan::global,
2700                 Target_arm::Relocate::relocate,
2701                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2702                 Adjust call to Target_arm::get_real_reloc_type.
2703                 (Target_arm::get_real_reloc_type): Use command line options
2704                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2705                 * options.h (--target1-rel, --target1-abs, --target2): New
2706                 ARM-only options.
2708 2009-11-25  Doug Kwan  <dougkwan@google.com>
2710         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2711         class definition.  Add code to handle --target1-rel, --target1-abs
2712         and --target2= options.
2713         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2714         and const.
2715         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2716         member declaration.
2717         (Target_arm::Scan::local, Target_arm::Scan::global,
2718         Target_arm::Relocate::relocate,
2719         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2720         call to Target_arm::get_real_reloc_type.
2721         (Target_arm::get_real_reloc_type): Use command line options to
2722         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2723         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2724         options.
2726 2009-11-25  Doug Kwan  <dougkwan@google.com>
2728         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2729         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2730         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2731         formatting.
2732         (Arm_relocate_functions::thm_call): Replace body with a call to
2733         Arm_relocate_functions::thumb_branch_common.
2734         (Arm_relocate_functions::thm_jump24,
2735         Arm_relocate_functions::thm_xpc22): New method definitions.
2736         (Arm_relocate_functions::thumb_branch_common): New method definition.
2737         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2738         operator.
2739         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2740         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2742 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2744         * Makefile.am: Build incremental-dump
2745         * Makefile.in: Regenerate.
2746         * incremental-dump.cc: New.
2747         * incremental.cc (Incremental_inputs_header_data,
2748         Incremental_inputs_entry_data): Move to incremental.h
2749         * incremental.h: (Incremental_inputs_header_data,
2750         Incremental_inputs_entry_data): Move from incremental.cc
2752 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2754         * incremental.cc (Incremental_inputs_header,
2755         Incremental_inputs_header_write, Incremental_inputs_entry,
2756         Incremental_inputs_entry_write): Add a typedef with the data type.
2758 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2760         * incremental.cc (Incremental_inputs_header,
2761         Incremental_inputs_header_write, Incremental_inputs_entry,
2762         Incremental_inputs_entry_write): Update comment about which
2763         type has the filed descriptions.
2765 2009-11-15  Doug Kwan  <dougkwan@google.com>
2767         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2768         (Arm_relocate_functions::arm_branch_common): Change method defintion
2769         in class definition to a method declaration and update list of formal
2770         parameters.
2771         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2772         Arm_relocation_functions::jump24): Adjust call to
2773         Arm_relocate_functions::arm_branch_common.  Update list of formal
2774         parameters.
2775         (Arm_relocate_functions::xpc25): New method definition.
2776         (Arm_relocate_functions::arm_branch_common): Move method defintion
2777         out from class definition.  Use stubs for mode-switching and extending
2778         branch ranges.
2779         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2780         specially.  Change code to enable use of stubs in ARM branches.
2782 2009-11-10  Doug Kwan  <dougkwan@google.com>
2784         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2785         in method declaration.
2786         (Target_arm::relocate_stub): New method declaration.
2787         (Target_arm::default_target): Change to return a pointer instead of
2788         a const reference.
2789         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2790         Target_arm::default_target.
2791         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2792         method definition.
2793         (Target_arm::relocate_section): Adjust view.
2794         (Target_arm::relocate_stub): New method definition.
2796 2009-11-10  Doug Kwan  <dougkwan@google.com>
2798         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2799         a format warning.
2800         * incremental.cc (open_incremental_binary): Initialized local
2801         variables to avoid warnings.
2802         * object.cc (make_elf_object): Ditto.
2803         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2804         a format warning.
2806 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2808         PR gold/10930
2809         * testsuite/plugin_test.c: Include "config.h".
2811 2009-11-09  Doug Kwan  <dougkwan@google.com>
2813         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2814         (arm_symbol_value): Remove.
2815         (Arm_relocate_functions::arm_branch_common,
2816         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2817         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2818         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2819         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2820         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2821         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2822         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2823         Arm_relocate_functions::thm_mobw_abs_nc,
2824         Arm_relocate_functions::thm_mov_abs,
2825         Arm_relocate_functions::movw_prel_nc,
2826         Arm_relocate_functions::thm_movt_abs,
2827         Arm_relocate_functions::movt_prel,
2828         Arm_relocate_functions::thm_movw_prel_nc,
2829         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2830         (Target_arm::Relocate::relocate): Only decompose address into two
2831         parts if relocation type uses the thumb-bit and pass the actual
2832         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2833         calls to methods in Arm_relocate_functions for this change.
2835 2009-11-08  Ian Lance Taylor  <iant@google.com>
2837         PR 10925
2838         * reloc.cc: Instantiate
2839         Sized_relobj::initialize_input_to_output_maps and
2840         Sized_relobj:free_input_to_output_maps.
2842 2009-11-06  Ian Lance Taylor  <iant@google.com>
2844         PR 10876
2845         * defstd.cc (in_segment): Set only_if_ref true for "end".
2847 2009-11-06  Doug Kwan  <dougkwan@google.com>
2849         * arm.cc (class Reloc_stub): Correct a comment.
2850         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2851         (Target_arm::scan_section_for_stubs): New method declaration.
2852         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2853         Change methods from private to protected.
2854         (Target_arm::do_may_relax): New method definition.
2855         (Target_arm::do_relax, Target_arm::group_sections,
2856         Target_arm::scan_reloc_for_stub,
2857         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2858         (Target_arm::arm_input_section_map_): New data member declaration.
2859         (Target_arm::scan_reloc_for_stub,
2860         Target_arm::scan_reloc_section_for_stubs,
2861         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2862         Target_arm::do_relax): New method definitions.
2864 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2866         * configure.ac: Check for (struct stat)::st_mtim
2867         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2868         * config.in: Regenerate.
2869         * configure: Regenerate.
2871 2009-11-05  Ian Lance Taylor  <iant@google.com>
2873         PR 10910
2874         * output.cc (Output_segment::add_output_section): Add missing
2875         return statement.
2877 2009-11-04  Ian Lance Taylor  <iant@google.com>
2879         PR 10880
2880         * object.h (class Object): Add is_needed and set_is_needed
2881         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2882         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2883         defined in a dynamic object and referenced by a regular object,
2884         set is_needed for the dynamic object.
2885         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2886         if the file is marked with as_needed and it is not needed.
2888 2009-11-04  Ian Lance Taylor  <iant@google.com>
2890         PR 10887
2891         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2892         tags if data is discarded by linker script.
2893         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2894         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2895         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2896         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2898 2009-11-04  Ian Lance Taylor  <iant@google.com>
2900         * layout.cc (Layout::get_output_section): Add is_interp and
2901         is_dynamic_linker_section parameters.  Change all callers.
2902         (Layout::choose_output_section): Likewise.
2903         (Layout::make_output_section): Likewise.
2904         (Layout::add_output_section_data): Add is_dynamic_linker_section
2905         parameter.  Change all callers.
2906         * layout.h (class Layout): Update declarations.
2907         * output.h (class Output_section): Add is_interp, set_is_interp,
2908         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2909         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2910         generate_code_fills_at_write_ to a bitfield.
2911         * output.cc (Output_section::Output_sections): Initialize new
2912         fields.
2913         (Output_segment::add_output_section): Add do_sort parameter.
2914         Change all callers.
2916 2009-11-03  Ian Lance Taylor  <iant@google.com>
2918         PR 10860
2919         * options.h (class General_options): Add --warn-common.
2920         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2921         merging two common symbols.
2922         (Symbol_table::should_override): Handle --warn-common when merging
2923         a common symbol with a defined symbol.  Use report_resolve_problem
2924         for multiple definitions.
2925         (Symbol_table::report_resolve_problem): New function.
2926         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2928 2009-11-03  Doug Kwan  <dougkwan@google.com>
2930         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2931         stub_factory_.
2932         (Target_arm::stub_factory): New method definition.
2933         (Target_arm::new_arm_input_section,
2934         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2935         Target_arm::reloc_uses_thumb_bit): New method declarations.
2936         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2937         New type definitions.
2938         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2939         member declarations.
2940         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2941         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2942         New method definitions.
2944 2009-11-03  Ian Lance Taylor  <iant@google.com>
2946         * options.h (class General_options): Add --warn_constructors.
2948 2009-11-03  Ian Lance Taylor  <iant@google.com>
2950         PR 10893
2951         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2952         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2954 2009-11-03  Ian Lance Taylor  <iant@google.com>
2956         PR 10895
2957         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2958         --msgid-bugs-address.
2959         (install-pdf): New target.
2960         (install-data_yes): Look up one directory to find mkinstalldirs.
2962 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2964         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2965         tree.
2967 2009-10-30  Doug Kwan  <dougkwan@google.com>
2969         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2971 2009-10-30  Doug Kwan  <dougkwan@google.com>
2973         * arm.cc (Stub_addend_reader): New struct template definition
2974         and partial specializations.
2975         (Stub_addend_reader::operator()): New method definition for a
2976         partially specialized template.
2978 2009-10-30  Doug Kwan  <dougkwan@google.com>
2980         * arm.cc (Arm_relobj::processor_specific_flags): New method
2981         definition.
2982         (Arm_relobj::do_read_symbols): New method declaration.
2983         (Arm_relobj::processor_specific_flags_): New data member declaration.
2984         (Arm_dynobj): New class definition.
2985         (Target_arm::do_finalize_sections): Add input_objects parameter.
2986         (Target_arm::do_adjust_elf_header): New method declaration.
2987         (Target_arm::are_eabi_versions_compatible,
2988         (Target_arm::merge_processor_specific_flags): New method declaration.
2989         (Target_arm::do_make_elf_object): New overloaded method definitions
2990         and declaration.
2991         (Arm_relobj::do_read_symbols): New method definition.
2992         (Arm_dynobj::do_read_symbols): Ditto.
2993         (Target_arm::do_finalize_sections): Add input_objects parameters.
2994         Merge processor-specific flags from all input objects.
2995         (Target_arm::are_eabi_versions_compatible,
2996         Target_arm::merge_processor_specific_flags,
2997         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2998         New method definitions.
2999         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3000         Input_objects pointer type parameter.
3001         * layout.cc (Layout::finalize): Pass input objects to target's.
3002         finalize_sections function.
3003         * output.cc (Output_file_header::do_sized_write): Set ELF file
3004         header's processor-specific flags.
3005         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3006         Input_objects pointer type parameter.
3007         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3008         * target.h (Input_objects): New forward class declaration.
3009         (Target::processor_specific_flags,
3010         Target::are_processor_specific_flags_sect): New method definitions.
3011         (Target::finalize_sections): Add input_objects parameter.
3012         (Target::Target): Initialize processor_specific_flags_ and
3013         are_processor_specific_flags_set_.
3014         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3015         parameter.
3016         (Target::set_processor_specific_flags): New method definition.
3017         (Target::processor_specific_flags_,
3018         Target::are_processor_specific_flags_set_): New data member
3019         declarations.
3020         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3021         Input_objects pointer type parameter.
3023 2009-10-30  Doug Kwan  <dougkwan@google.com>
3025         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3027 2009-10-28  Ian Lance Taylor  <iant@google.com>
3029         * object.h (class Relobj): Drop options parameter from
3030         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3031         do_scan_relocs, do_relocate.  Change all callers.
3032         (class Sized_relobj): Drop options parameters from
3033         do_gc_process_relocs, do_scan_relocs, do_relocate,
3034         do_relocate_sections, relocate_sections, emit_relocs_scan,
3035         emit_relocs_scan_reltype.  Change all callers.
3036         (struct Relocate_info): Remove options field and all references to
3037         it.
3038         * reloc.h (class Read_relocs): Remove options constructor
3039         parameter and options_ field.  Change all callers.
3040         (class Gc_process_relocs, class Scan_relocs): Likewise.
3041         (class Relocate_task): Likewise.
3042         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3043         all callers.
3044         (scan_relocatable_relocs): Likewise.
3045         * target.h (class Sized_target): Remove options parameter from
3046         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3047         all callers.
3048         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3049         callers.
3050         * arm.cc: Update functions to remove options parameters.
3051         * i386.cc: Likewise.
3052         * powerpc.cc: Likewise.
3053         * sparc.cc: Likewise.
3054         * x86_64.cc: Likewise.
3055         * testsuite/testfile.cc: Likewise.
3057 2009-10-28  Doug Kwan  <dougkwan@google.com>
3059         * arm.cc (Arm_relobj): New class definition.
3060         (Arm_relobj::scan_sections_for_stubs, 
3061         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3062         New method definitions.
3064 2009-10-28  Cary Coutant  <ccoutant@google.com>
3066         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3067         (Plugin::cleanup_done_): New member.
3068         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3069         (Plugin_manager::cleanup_done_): Remove.
3070         (Plugin_manager::add_input_file): Edit error message.
3071         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3072         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3074 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3076         * fileread.cc: (File_read::View::~View): Use the new
3077         data_ownership_ filed.
3078         (File_read::~File_read): Dispose the new whole_file_view_.
3079         (File_read::open): Mmap the whole file if needed.
3080         (File_read::open): Use whole_file_view_ instead of contents_.
3081         (File_read::find_view): Use whole_file_view_ if applicable.
3082         (File_read::do_read): Use whole_file_view_ instead of contents_.
3083         (File_read::make_view): Use whole_file_view_ instead of contents_,
3084         update File_read::View::View call.
3085         (File_read::find_or_make_view): Update File_read::View::View
3086         call.
3087         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3088         remove contents_
3089         (File_read::View::Data_ownership): New enum.
3090         (File_read::View::View): Replace bool mapped_ with Data_ownership
3091         argument.
3092         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3093         (File_read::View::data_ownership_): New field.
3094         (File_read::contents_): Remove (replaced by whole_file_view_).
3095         (File_read::whole_file_view_): New field.
3096         * options.h (class General_options): Add --keep-files-mapped.
3098 2009-10-27  Cary Coutant  <ccoutant@google.com>
3100         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3101         * testsuite/Makefile.am (plugin_test_5): New test case.
3102         * testsuite/Makefile.in: Regenerate.
3104 2009-10-25  Doug Kwan  <dougkwan@google.com>
3106         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3107         from private to protected to allow access by child class.
3108         (Sized_relobj::do_relocate_sections): New method declaration.
3109         (Sized_relobj::relocate_sections): Virtualize.
3110         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
3111         Sized_relobj::relocate_sections.  Instantiate template explicitly
3112         for different target sizes and endianity.
3114 2009-10-24  Doug Kwan  <dougkwan@google.com>
3116         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3117         (Arm_input_section::as_arm_input_section): New method.
3118         (Arm_output_section): New class definition.
3119         (Arm_output_section::create_stub_group,
3120         Arm_output_section::group_sections): New method definitions.
3122 2009-10-22  Doug Kwan  <dougkwan@google.com>
3124         * arm.cc (Arm_input_section): New class definition.
3125         (Arm_input_section::init, Arm_input_section:do_write,
3126         Arm_input_section::set_final_data_size,
3127         Arm_input_section::do_reset_address_and_file_offset): New method
3128         definitions.
3130 2009-10-21  Doug Kwan  <dougkwan@google.com>
3132         * arm.cc (Stub_table, Arm_input_section): New forward class
3133         declarations.
3134         (Stub_table): New class defintion.
3135         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3136         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3137         New method definition.
3139 2009-10-21  Doug Kwan  <dougkwan@google.com>
3141         * arm.cc: Update copyright comments.
3142         (Target_arm): New forward class template declaration.
3143         (Arm_address): New type.
3144         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3145         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3146         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3147         constants.
3148         (Insn_template): Same.
3149         (DEF_STUBS): New macro.
3150         (Stub_type): New enum type.
3151         (Stub_template): New class definition.
3152         (Stub): Same.
3153         (Reloc_stub): Same.
3154         (Stub_factory): Same.
3155         (Target_arm::Target_arm): Initialize may_use_blx_ and
3156         should_force_pic_veneer_.
3157         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3158         Target_arm::should_force_pic_veneer,
3159         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3160         Target_arm::using_thumb_only, Target_arm:;default_target): New
3161         method defintions.
3162         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3163         New data member declarations.
3164         (Insn_template::size, Insn_template::alignment): New method defintions.
3165         (Stub_template::Stub_template): New method definition.
3166         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3167         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3168         (Stub_factory::Stub_factory): New method definition.
3169         * gold.h (string_hash): New template.
3170         * output.h (Input_section_specifier::hash_value): Use
3171         gold::string_hash.
3172         (Input_section_specifier::string_hash): Remove.
3173         * stringpool.cc (Stringpool_template::string_hash): Use
3174         gold::string_hash.
3176 2009-10-20  Doug Kwan  <dougkwan@google.com>
3178         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3179         symbols of relaxed input sections.
3180         * output.h (Output_section::find_relaxed_input_section): Make
3181         method public.
3183 2009-10-16  Doug Kwan  <dougkwan@google.com>
3185         * dynobj.cc (Versions::Versions): Initialize version_script_.
3186         Only insert base version symbol definition for a shared object
3187         if version script defines any version versions.
3188         (Versions::define_base_version): New method definition.
3189         (Versions::add_def): Check that base version is not needed.
3190         (Versions::add_need): Define base version lazily.
3191         * dynobj.h (Versions::define_base_version): New method declaration.
3192         (Versions::needs_base_version_): New data member declaration.
3193         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3194         (check_DATA): Add no_version_test.stdout.
3195         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3196         New make rules.
3197         * testsuite/Makefile.in: Regenerate.
3198         * testsuite/no_version_test.c: New file.
3199         * testsuite/no_version_test.sh: Ditto.
3201 2009-10-16  Doug Kwan  <dougkwan@google.com>
3203         * expression.cc (class Segment_start_expression): New class definition.
3204         (Segment_start_expression::value): New method definition.
3205         (script_exp_function_segment_start): Return a new
3206         Segment_start_expression.
3207         * gold/script-c.h (script_saw_segment_start_expression): New function
3208         prototype.
3209         * script-sections.cc (Script_sections::Script_sections): Initialize
3210         SAW_SEGMENT_START_EXPRESSION_ to false.
3211         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3212         and -Tbbs options to specify section addresses if given in
3213         command line and no SEGMENT_START expression is seen in a script.
3214         * script-sections.h (Script_sections::saw_segment_start_expression,
3215         Script_sections::set_saw_segment_start_expression): New method
3216         definition.
3217         (Script_sections::saw_segment_start_expression_): New data member
3218         declaration.
3219         * script.cc (script_saw_segment_start_expression): New function.
3220         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3221         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3222         script_test_7.sh and script_test_8.sh.
3223         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3224         script_test_8.stdout.
3225         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3226         (script_test_6, script_test_6.stdout, script_test_7,
3227         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3228         * Makefile.in: Regenerate.
3229         * testsuite/script_test_6.sh: New file.
3230         * testsuite/script_test_6.t: Same.
3231         * testsuite/script_test_7.sh: Same.
3232         * testsuite/script_test_7.t: Same.
3233         * testsuite/script_test_8.sh: Same.
3235 2009-10-16  Doug Kwan  <dougkwan@google.com>
3237         * output.cc (Output_segment::set_section_list_address): Cast
3238         expressions to unsigned long long type to avoid format warnings.
3240 2009-10-15  Ian Lance Taylor  <iant@google.com>
3242         * script.cc (Script_options::add_symbol_assignment): Always add a
3243         dot assignment to script_sections_.
3244         * script-sections.cc (Script_sections::add_dot_assignment):
3245         Initialize if necessary.
3247         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3248         program headers with no load segment if there is a linker script.
3250         * layout.cc (Layout::set_segment_offsets): Align the file offset
3251         to the segment aligment for -N or -n with no load segment.
3252         * output.cc (Output_segment::add_output_section): Don't crash if
3253         the first section is a TLS section.
3254         (Output_segment::set_section_list_addresses): Print an error
3255         message if the address moves backward in a linker script.
3256         * script-sections.cc
3257         (Output_section_element_input::set_section_addresses): Don't
3258         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3259         (Orphan_output_section::set_section_addresses): Likewise.
3261 2009-10-15  Doug Kwan  <dougkwan@google.com>
3263         * layout.cc (Layout::finish_dynamic_section): Generate tags
3264         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3265         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3266         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3268 2009-10-14  Ian Lance Taylor  <iant@google.com>
3270         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3271         fields.
3272         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3273         data_shdr fields of relinfo.
3274         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3275         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3276         R_386_TLS_LDO_32, adjust based on section flags.
3277         (Target_i386::Relocate::fix_up_ldo): Remove.
3279 2009-10-13  Ian Lance Taylor  <iant@google.com>
3281         Add support for -pie.
3282         * options.h (class General_options): Add -pie and
3283         --pic-executable.
3284         (General_options::output_is_position_independent): Test -pie.
3285         (General_options::output_is_executable): Return true if not shared
3286         and not relocatable.
3287         (General_options::output_is_pie): Remove.
3288         * options.cc (General_options::finalize): Reject incompatible uses
3289         of -pie.
3290         * gold.cc (queue_middle_tasks): A -pie link is not static.
3291         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3292         * symtab.cc (Symbol::final_value_is_known): Return false if
3293         output_is_position_independent.
3294         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3295         output_is_position_independent.
3296         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3297         output_is_position_independent.
3298         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3299         output_is_position_independent.
3300         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3301         two_file_pie_test.
3302         (basic_pie_test.o, basic_pie_test): New targets.
3303         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3304         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3305         (two_file_pie_test): New target.
3306         * testsuite/Makefile.in: Rebuild.
3307         * README: Remove note saying that -pie is not supported.
3309 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3311         * options.h (class General_options): Add -init and -fini.
3312         * layout.cc (Layout::finish_dynamic_section): Emit
3313         given init and fini functions.
3315 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3317         * gc.h (gc_process_relocs): Check if icf is enabled using new
3318         function.
3319         * gold.cc (queue_initial_tasks): Likewise.
3320         (queue_middle_tasks): Likewise.
3321         * object.cc (do_layout): Likewise.
3322         * symtab.cc (is_section_folded): Likewise.
3323         * main.cc (main): Likewise.
3324         * reloc.cc (Read_relocs::run): Likewise.
3325         (Sized_relobj::do_scan_relocs): Likewise.
3326         * icf.cc (is_function_ctor_or_dtor): New function.
3327         (Icf::find_identical_sections): Check if function is ctor or dtor when
3328         safe icf is chosen.
3329         * options.h (General_options::icf): Change option to be an enum.
3330         (Icf_status): New enum.
3331         (icf_enabled): New method.
3332         (icf_safe_folding): New method.
3333         (set_icf_status): New method.
3334         (icf_status_): New variable.
3335         * (options.cc) (General_options::finalize): Set icf_status_.
3336         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3337         icf_test and icf_keep_unique_test to use the --icf enum flag.
3338         * testsuite/icf_safe_test.sh: New file.
3339         * testsuite/icf_safe_test.cc: New file. 
3341 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3343         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3344         includes to gc.h and icf.h.
3345         * arm.cc: Include gc.h.
3346         * gold.cc: Likewise.
3347         * i386.cc: Likewise.
3348         * powerpc.cc: Likewise.
3349         * sparc.cc: Likewise.
3350         * x86_64.cc: Likewise.
3351         * gc.h: Include icf.h.
3353 2009-10-11  Ian Lance Taylor  <iant@google.com>
3355         * plugin.cc: Include "gold.h" before other header files.
3357 2009-10-10  Chris Demetriou  <cgd@google.com>
3359         * options.h (Input_file_argument::Input_file_type): New enum.
3360         (Input_file_argument::is_lib_): Replace with...
3361         (Input_file_argument::type_): New member.
3362         (Input_file_argument::Input_file_argument): Take Input_file_type
3363         'type' rather than boolean 'is_lib' as second argument.
3364         (Input_file_argument::is_lib): Use type_.
3365         (Input_file_argument::is_searched_file): New function.
3366         (Input_file_argument::may_need_search): Handle is_searched_file.
3367         * options.cc (General_options::parse_library): Support -l:filename.
3368         (General_options::parse_just_symbols): Update for Input_file_argument
3369         changes.
3370         (Command_line::process): Likewise.
3371         * archive.cc (Archive::get_file_and_offset): Likewise.
3372         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3373         * script.cc (read_script_file, script_add_file): Likewise.
3374         * fileread.cc (Input_file::Input_file): Likewise.
3375         (Input_file::will_search_for): Handle is_searched_file.
3376         (Input_file::open): Likewise.
3377         * readsyms.cc (Read_symbols::get_name): Likewise.
3378         * testsuite/Makefile.am (searched_file_test): New test.
3379         * testsuite/Makefile.in: Regenerate.
3380         * testsuite/searched_file_test.cc: New file.
3381         * testsuite/searched_file_test_lib.cc: New file.
3383 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3384             Ian Lance Taylor  <iant@google.com>
3386         * descriptor.cc: Include <cstdio> and "binary-io.h".
3387         (Descriptors::open): Open the files in binary mode always.
3388         * script.cc (Lex::get_token): Treat \r as whitespace.
3390 2009-10-09  Ian Lance Taylor  <iant@google.com>
3392         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3394 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3395             Ian Lance Taylor  <iant@google.com>
3397         * configure.ac: Check for readv function also.
3398         * fileread.cc (readv): Define if not HAVE_READV.
3399         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3400         does not exist.
3401         * config.in: Regenerate.
3402         * configure: Regenerate.
3404 2009-10-09  Doug Kwan  <dougkwan@google.com>
3406         * layout.cc (Layout::make_output_section): Call target hook to make
3407         ordinary output section.
3408         (Layout::finalize): Adjust parameter list of call the
3409         Target::may_relax().
3410         * layout.h (class Layout::section_list): New method.
3411         * merge.h (Output_merge_base::entsize): Change visibility to public.
3412         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3413         New methods.
3414         (Output_merge_string::do_is_string): New method.
3415         * object.cc (Sized_relobj::do_setup): renamed from
3416         Sized_relobj::set_up.
3417         * object.h (Sized_relobj::adjust_shndx,
3418         Sized_relobj::initializ_input_to_output_maps,
3419         Sized_relobj::free_input_to_output_maps): Change visibilities to
3420         protected.
3421         (Sized_relobj::setup): Virtualize.
3422         (Sized_relobj::do_setup): New method declaration.
3423         (Sized_relobj::invalidate_section_offset,
3424         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3425         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3426         * options.cc (parse_int): New function.
3427         * options.h (parse_int): New declaration.
3428         (DEFINE_int): New macro.
3429         (stub_group_size): New option.
3430         * output.cc (Output_section::Output_section): Initialize memebers
3431         merge_section_map_, merge_section_by_properties_map_,
3432         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3433         (Output_section::add_input_section): Handled deferred code-fill
3434         generation and remove an old comment.
3435         (Output_section::add_relaxed_input_section): New method definition.
3436         (Output_section::add_merge_input_section): Use merge section by
3437         properties map to speed to search.  Update merge section maps
3438         as appropriate.
3439         (Output_section::build_relaxation_map): New method definition.
3440         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3441         Same.
3442         (Output_section::relax_input_section): Renamed to
3443         Output_section::convert_input_sections_to_relaxed_sections and change
3444         interface to take a vector of pointers to relaxed sections.
3445         (Output_section::find_merge_section,
3446         Output_section::find_relaxed_input_section): New method definitions.
3447         (Output_section::is_input_address_mapped,
3448         Output_section::output_offset, Output_section::output_address):
3449         Use output section data maps to speed up searching.
3450         (Output_section::find_starting_output_address): Add comments.
3451         (Output_section::do_write,
3452         Output_section::write_to_postprocessing_buffer): Do code-fill
3453         generation as appropriate.
3454         (Output_section::get_input_sections): Invalidate relaxed input section
3455         map.
3456         (Output_section::restore_states): Adjust type of checkpoint .
3457         Invalidate relaxed input section map.
3458         * output.h (Output_merge_base): New class declaration.
3459         (Input_section_specifier): New class defintion.
3460         (class Output_relaxed_input_section) Change base class to
3461         Output_section_data_build.
3462         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3463         base class initializer.
3464         (Output_section::add_relaxed_input_section): New method declaration.
3465         (Output_section::Input_section): Change visibility to protected.
3466         (Output_section::Input_section::relobj,
3467         Output_section::Input_section::shndx): Handle relaxed input sections.
3468         Output_section::input_sections) Change visibility to protected.  Also
3469         define overload to return a non-const pointer.
3470         (Output_section::Merge_section_properties): New class defintion.
3471         (Output_section::Merge_section_by_properties_map,
3472         Output_section::Output_section_data_by_input_section_map,
3473         Output_section::Relaxation_map): New types.
3474         (Output_section::relax_input_section): Rename method to
3475         Output_section::convert_input_sections_to_relaxed_sections and change
3476         interface to take a vector of relaxed section pointers.
3477         (Output_section::find_merge_section,
3478         Output_section::find_relaxed_input_section,
3479         Output_section::build_relaxation_map,
3480         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3481         New method declarations.
3482         (Output_section::merge_section_map_
3483         Output_section::merge_section_by_properties_map_,
3484         Output_section::relaxed_input_section_map_,
3485         Output_section::is_relaxed_input_section_map_valid_,
3486         Output_section::generate_code_fills_at_write_): New data members.
3487         * script-sections.cc
3488         (Output_section_element_input::set_section_addresses): Call
3489         current_data_size and addralign methods of relaxed input sections.
3490         (Orphan_output_section::set_section_addresses): Call current_data_size
3491         and addralign methods of relaxed input sections.
3492         * symtab.cc (Symbol_table::compute_final_value): Extract template
3493         from the body of Symbol_table::sized_finalize_symbol.
3494         (Symbol_table::sized_finalized_symbol): Call
3495         Symbol_table::compute_final_value.
3496         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3497         (Symbol_table::compute_final_value): New templated method declaration.
3498         * target.cc (Target::do_make_output_section): New method defintion.
3499         * target.h (Target::make_output_section): New method declaration.
3500         (Target::relax): Add more parameters for input objects, symbol table
3501         and layout.  Adjust call to do_relax.
3502         (Target::do_make_output_section): New method declaration.
3503         (Target::do_relax): Add parameters for input objects, symbol table
3504         and layout.
3506 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3508         * pread.c: Include stdio.h.
3510 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3512         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3513         defined.
3515 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3517         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3518         Change read_shndx type to unsigned int.
3519         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3520         int.
3521         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3522         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3523         Change read_shndx type to unsigned int.
3524         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3525         int.
3526         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3527         * layout.cc (Layout::create_symtab_sections): Cast the result of
3528         local_symcount * symsize to off_t in the gold_assert.
3530 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3532         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3533         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3534         R_ARM_BASE_ABS.
3535         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3536         (Arm_relocate_functions::thm_abs5): New function.
3537         (Arm_relocate_functions::abs12): New function.
3538         (Arm_relocate_functions::abs16): New function.
3539         (Arm_relocate_functions::base_abs): New function.
3540         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3541         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3542         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3543         R_ARM_BASE_ABS.
3544         (Scan::global): Likewise.
3545         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3546         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3547         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3548         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3549         R_ARM_BASE_ABS.
3551 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3553         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3554         (Arm_relocate_functions::movt_prel): New function.
3555         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3556         (Arm_relocate_functions::thm_movt_prel): New function.
3557         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3558         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3559         (Scan::global, Relocate::relocate): Likewise.
3560         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3562 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3564         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3565         Incremental_checker.
3566         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3567         unsigned int.
3568         (class Incremental_inputs_header): New class.
3569         (Incremental_inputs_header_writer): Edit comment.
3570         (Incremental_inputs_entry): New class.
3571         (Incremental_inputs_entry_writer): Edit comment.
3572         (Sized_incremental_binary::do_find_incremental_inputs_section):
3573         Add *strtab_shndx parameter, fill it.
3574         (Sized_incremental_binary::do_check_inputs): New method.
3575         (Incremental_checker::can_incrementally_link_output_file): Use
3576         Sized_incremental_binary::check_inputs.
3577         (Incremental_inputs::report_command_line): Save command line in
3578         command_line_.
3579         * incremental.h:
3580         (Incremental_binary::find_incremental_inputs_section): New
3581         method.
3582         (Incremental_binary::do_find_incremental_inputs_section): Add
3583         strtab_shndx parameter.
3584         (Incremental_binary::do_check_inputs): New pure virtual method.
3585         (Sized_incremental_binary::do_check_inputs): Declare.
3586         (Incremental_checker::Incremental_checker): Add incremental_inputs
3587         parameter, use it to initialize incremental_inputs_.
3588         (Incremental_checker::incremental_inputs_): New field.
3589         (Incremental_checker::command_line): New method.
3590         (Incremental_checker::inputs): New method.
3591         (Incremental_checker::command_line_): New field.
3593 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3595         * incremental.cc: Include <cstdarg> and "target-select.h".
3596         (vexplain_no_incremental): New function.
3597         (explain_no_incremental): New function.
3598         (Incremental_binary::error): New method.
3599         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3600         method.
3601         (make_sized_incremental_binary): New function.
3602         (open_incremental_binary): New function.
3603         (can_incrementally_link_file): Add checks if output is ELF and has
3604         inputs section.
3605         * incremental.h: Include "elfcpp_file.h" and "output.h".
3606         (Incremental_binary): New class.
3607         (Sized_incremental_binary): New class.
3608         (open_incremental_binary): Declare.
3609         * object.cc (is_elf_object): Use
3610         elfcpp::Elf_recognizer::is_elf_file.
3611         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3612         * output.h (Output_file::filesize): New method.
3614 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3616         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3617         New function.
3618         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3619         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3620         function.
3621         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3622         function.
3623         (Arm_relocate_functions::movw_abs_nc): New function.
3624         (Arm_relocate_functions::movt_abs): New function.
3625         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3626         (Arm_relocate_functions::thm_movt_abs): New function.
3627         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3628         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3629         (Scan::global): Likewise.
3630         (Relocate::relocate): Likewise.
3631         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3633 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3635         * arm.cc (Arm_relocate_functions::got_prel) New function.
3636         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3637         (Relocate::relocate): Likewise.
3638         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3640 2009-10-06  Ian Lance Taylor  <iant@google.com>
3642         * options.h (class General_options): Define
3643         split_stack_adjust_size parameter.
3644         * object.h (class Object): Add uses_split_stack_ and
3645         has_no_split_stack_ fields.  Add uses_split_stack and
3646         has_no_split_stack accessor functions.  Declare
3647         handle_split_stack_section.
3648         (class Reloc_symbol_changes): Define.
3649         (class Sized_relobj): Define Function_offsets.  Declare
3650         split_stack_adjust, split_stack_adjust_reltype, and
3651         find_functions.
3652         * object.cc (Object::handle_split_stack_section): New function.
3653         (Sized_relobj::do_layout): Call handle_split_stack_section.
3654         * dynobj.cc (Sized_dynobj::do_layout): Call
3655         handle_split_stack_section.
3656         * reloc.cc (Sized_relobj::relocate_sections): Call
3657         split_stack_adjust for executable sections in split_stack
3658         objects.  Pass reloc_map to relocate_section.
3659         (Sized_relobj::split_stack_adjust): New function.
3660         (Sized_relobj::split_stack_adjust_reltype): New function.
3661         (Sized_relobj::find_functions): New function.
3662         * target-reloc.h: Include "object.h".
3663         (relocate_section): Add reloc_symbol_changes parameter.  Change
3664         all callers.
3665         * target.h (class Target): Add calls_non_split method.  Declare
3666         do_calls_non_split virtual method.  Declare match_view and
3667         set_view_to_nop.
3668         * target.cc: Include "elfcpp.h".
3669         (Target::do_calls_non_split): New function.
3670         (Target::match_view): New function.
3671         (Target::set_view_to_nop): New function.
3672         * gold.cc (queue_middle_tasks): Give an error if mixing
3673         split-stack and non-split-stack objects with -r.
3674         * i386.cc (Target_i386::relocate_section): Add
3675         reloc_symbol_changes parameter.
3676         (Target_i386::do_calls_non_split): New function.
3677         * x86_64.cc (Target_x86_64::relocate_section): Add
3678         reloc_symbol_changes parameter.
3679         (Target_x86_64::do_calls_non_split): New function.
3680         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3681         parameter.
3682         * powerpc.cc (Target_powerpc::relocate_section): Add
3683         reloc_symbol_changes parameter.
3684         * sparc.cc (Target_sparc::relocate_section): Add
3685         reloc_symbol_changes parameter.
3686         * configure.ac: Call AM_CONDITIONAL for the default target.
3687         * configure: Rebuild.
3688         * testsuite/Makefile.am (TEST_AS): New variable.
3689         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3690         (check_DATA): Add split_i386 and split_x86_64 files.
3691         (SPLIT_DEFSYMS): Define.
3692         (split_i386_[1234n].o): New targets.
3693         (split_i386_[124]): New targets.
3694         (split_i386_[1234r].stdout): New targets.
3695         (split_x86_64_[1234n].o): New targets.
3696         (split_x86_64_[124]): New targets.
3697         (split_x86_64_[1234r].stdout): New targets.
3698         (MOSTLYCLEANFILES): Add new executables.
3699         * testsuite/split_i386.sh: New file.
3700         * testsuite/split_x86_64.sh: New file.
3701         * testsuite/split_i386_1.s: New file.
3702         * testsuite/split_i386_2.s: New file.
3703         * testsuite/split_i386_3.s: New file.
3704         * testsuite/split_i386_4.s: New file.
3705         * testsuite/split_i386_n.s: New file.
3706         * testsuite/split_x86_64_1.s: New file.
3707         * testsuite/split_x86_64_2.s: New file.
3708         * testsuite/split_x86_64_3.s: New file.
3709         * testsuite/split_x86_64_4.s: New file.
3710         * testsuite/split_x86_64_n.s: New file.
3711         * testsuite/testfile.cc (Target_test): Update relocation_section
3712         function.
3713         * testsuite/Makefile.in: Rebuild.
3715 2009-10-06  Ian Lance Taylor  <iant@google.com>
3717         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3718         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3719         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3720         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3721         the address on ldo_addrs_.
3722         (Target_i386::Relocate::fix_up_ldo): New function.
3724 2009-10-06   Rafael Espindola  <espindola@google.com>
3726         * plugin.cc (add_input_library): New.
3727         (Plugin::load): Add add_input_library to tv.
3728         (Plugin_manager::add_input_file): Add the is_lib argument.
3729         (add_input_file): Update call to Plugin_manager::add_input_file.
3730         (add_input_library): New.
3731         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3733 2009-09-30  Doug Kwan  <dougkwan@google.com>
3735         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3736         symbol and call Symbol::may_need_copy_reloc to determine if
3737         a copy reloc is needed.
3738         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3739         nocopyreloc is given in command line.
3740         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3741         given in command line.
3742         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3743         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3744         of the removed Target_i386::may_need_copy_reloc.
3745         * options.h (copyreloc): New option with default value false.
3746         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3747         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3748         instead of the removed Target_powerpc::may_need_copy_reloc.
3749         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3750         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3751         instead of the removed Target_sparc::may_need_copy_reloc.
3752         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3753         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3754         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3755         instead of the removed Target_x86_64::may_need_copy_reloc.
3757 2009-09-30  Ian Lance Taylor  <iant@google.com>
3759         * object.h (class Object): Remove target_ field, and target,
3760         sized_target, and set_target methods.
3761         (Object::sized_target): Remove.
3762         (class Sized_relobj): Update declarations.  Remove sized_target.
3763         * object.cc (Sized_relobj::setup): Remove target parameter.
3764         Change all callers.
3765         (Input_objects::add_object): Don't do anything with the target.
3766         (make_elf_sized_object): Add punconfigured parameter.  Change all
3767         callers.  Set or test parameter target.
3768         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3769         Change all callers.
3770         * parameters.cc (Parameters::set_target): Change parameter type to
3771         be non-const.
3772         (Parameters::default_target): Remove.
3773         (set_parameters_target): Change parameter type to be non-const.
3774         (parameters_force_valid_target): New function.
3775         (parameters_clear_target): New function.
3776         * parameters.h (class Parameters): Update declarations.  Remove
3777         default_target method.  Add sized_target and clear_target
3778         methods.  Change target_ to be non-const.
3779         (set_parameters_target): Update declaration.
3780         (parameters_force_valid_target): Declare.
3781         (parameters_clear_target): Declare.
3782         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3783         as NULL if we aren't searching.
3784         (Add_symbols::run): Don't check for compatible target.
3785         * fileread.cc (Input_file::open_binary): Call
3786         parameters_force_valid_target.
3787         * gold.cc (queue_middle_tasks): Likewise.
3788         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3789         set_target on object.
3790         * dynobj.h (class Sized_dynobj): Update declarations.
3791         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3792         make_elf_object returns NULL.
3793         (Archive::include_member): Don't check whether object target is
3794         compatible.
3795         * output.cc (Output_section::add_input_section): Get target from
3796         parameters.
3797         (Output_section::relax_input_section): Likewise.
3798         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3799         parameters.
3800         (Sized_relobj::do_scan_relocs): Likewise.
3801         (Sized_relobj::relocate_sections): Likewise.
3802         * resolve.cc (Symbol_table::resolve): Likewise.
3803         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3804         parameter.  Change all callers.
3805         (Symbol_table::add_from_object): Get target from parameters.
3806         (Symbol_table::add_from_relobj): Don't check object target.
3807         (Symbol_table::add_from_dynobj): Likewise.
3808         (Symbol_table::define_special_symbol): Get target from
3809         parameters.
3810         * symtab.h (class Symbol_table): Update declaration.
3811         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3812         parameter.  Change all callers.  Clear parameter target.
3813         (Binary_test): Test target here.
3814         * testsuite/object_unittest.cc (gold_testsuite): Remove
3815         target_test_pointer parameter.  Change all callers.
3816         (Object_test): Test target here.
3818 2009-09-26  Ian Lance Taylor  <iant@google.com>
3820         * testsuite/initpri1.c: Don't try to use constructor priorities if
3821         compiling with gcc before 4.3.
3823 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3825         * testsuite/retain_symbols_file_test.sh (check_present): Change
3826         output file name to retain_symbols_file_test.stdout.
3827         (check_absent): Likewise.
3829 2009-09-18  Craig Silverstein  <csilvers@google.com>
3831         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3832         * options.cc: Include <cerrno> and <fstream>.
3833         (General_options::finalize): Parse -retain-symbols-file tag.
3834         * options.h: New flag.
3835         (General_options): New method should_retain_symbol, new
3836         variable symbols_to_retain.
3837         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3838         should_retain_symbol map.
3839         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3840         * testsuite/Makefile.in: Regenerate.
3841         * testsuite/retain_symbols_file_test.sh: New file.
3843 2009-09-18  Nick Clifton  <nickc@redhat.com>
3845         * po/es.po: Updated Spanish translation.
3847 2009-09-17  Doug Kwan  <dougkwan@google.com>
3849         * debug.h (DEBUG_RELAXATION): New constant.
3850         (DEBUG_ALL): Add DEBUG_RELAXATION.
3851         (debug_string_to_enum): Add relaxation debug option.
3852         * layout.cc
3853         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3854         Layout::Relaxation_debug_check::read_sections,
3855         Layout::Relaxation_debug_check::read_sections): New method definitions.
3856         (Layout::Layout): Initialize data members
3857         record_output_section_data_from_scrips_,
3858         script_output_section_data_list_ and relaxation_debug_check_.
3859         (Layout::save_segments, Layout::restore_segments,
3860         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3861         Layout::relaxation_loop_body): New method definitions.
3862         (Layout::finalize): Support relaxation.  Move section layout code to
3863         Layout::relaxation_loop_body.
3864         (Layout::set_asection_address_from_script): Move code for orphan
3865         section placement out.
3866         (Layout::place_orphan_sections_in_script): New method definition.
3867         * layout.h (Output_segment_headers, Output_file_header):
3868         New forward class declarations.
3869         (Layout::~Layout): Define.
3870         (Layout::new_output_section_data_from_script): New method definition.
3871         (Layout::place_orphan_sections_in_script): New method declaration.
3872         (Layout::Segment_states): New type declaration.
3873         (Layout::save_segments, Layout::restore_segments,
3874         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3875         Layout::relaxation_loop_body): New method declarations.
3876         (Layout::Output_section_data_list): New type declaration.
3877         (Layout::Relaxation_debug_check): New class definition.
3878         (Layout::record_output_section_data_from_script_,
3879         Layout::script_output_section_data_list_, Layout::segment_states_,
3880         Layout::relaxation_debug_check_): New data members.
3881         * output.cc: (Output_section_headers::do_size): New method definition.
3882         (Output_section_headers::Output_section_headers): Move size
3883         computation to Output_section_headers::do_size.
3884         (Output_segment_headers::do_size): New method definition.
3885         (Output_file_header::Output_file_header): Move size computation to 
3886         Output_file_header::do_size and call it.
3887         (Output_file_header::do_size): New method definition.
3888         (Output_data_group::Output_data_group): Adjust call to
3889         Output_section_data.
3890         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3891         (Output_symtab_xindex::do_write): Add array bound check.
3892         (Output_section::Input_section::print_to_mapfile): Handle
3893         RELAXED_INPUT_SECTION_CODE.
3894         (Output_section::Output_section): Initialize data member checkpoint_.
3895         (Output_section::~Output_section): Delete checkpoint object pointed
3896         by checkpoint_.
3897         (Output_section::add_input_section): Always add an Input_section if
3898         relaxing.
3899         (Output_section::add_merge_input_section): Add assert.
3900         (Output_section::relax_input_section): New method definition.
3901         (Output_section::set_final_data_size): Set load address to zero for
3902         an unallocated section.
3903         (Output_section::do_address_and_file_offset_have_reset_values):
3904         New method definition.
3905         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3906         Handle relaxed input section.
3907         (Output_section::sort_attached_input_sections): Checkpoint input
3908         section list lazily.
3909         (Output_section::get_input_sections): Change type of input_sections to
3910         list of Simple_input_section pointers.  Checkpoint input section list
3911         lazily.  Also handle relaxed input sections.
3912         (Output_section::add_input_section_for_script): Take a reference to
3913         a Simple_input_section object instead of Relobj pointer and section
3914         index as parameter.  Handle relaxed input sections.
3915         (Output_section::save_states, Output_section::restore_states): New
3916         method definitions.
3917         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3918         (Output_data::is_data_size_fixed): New method definition.
3919         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3920         if it is fixed.
3921         (Output_data::address_and_file_offset_have_reset_values): New method
3922         definition.
3923         (Output_data::do_address_and_file_offset_have_reset_values): New method
3924         definition.
3925         (Output_data::set_data_size): Check that data size is not fixed.
3926         (Output_data::fix_data_size): New method definition.
3927         (Output_data::is_data_size_fixed_): New data member.
3928         (Output_section_headers::set_final_data_size): New method definition.
3929         (Output_section_headers::do_size): New method declaration.
3930         (Output_segment_headers::set_final_data_size): New method definition.
3931         (Output_segment_headers::do_size): New method declaration.
3932         (Output_file_header::set_final_data_size)::New method definition.
3933         (Output_file_header::do_size)::New method declaration.
3934         (Output_section_data::Output_section_data): Add new parameter
3935         is_data_size_fixed and use it to fix data size.
3936         (Output_data_const::Output_data_const): Adjust call to base class
3937         constructor and fix data size.
3938         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3939         base class constructor and fix data size.
3940         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3941         base class constructor and fix data size.
3942         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3943         class constructor and fix data size.
3944         (Output_data_group::set_final_data_size): New method definition.
3945         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3946         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3947         class constructor and fix data size.
3948         (Output_relaxed_input_section): New class definition.
3949         (Output_section::Simple_input_section): New class definition.
3950         (Output_section::get_input_sections): Adjust parameter list.
3951         (Output_section::add_input_section_for_script): Same.
3952         (Output_section::save_states, Output_section::restore_states,
3953         Output_section::do_address_and_file_offset_have_reset_values,
3954         (Output_section::Input_section::Input_section): Handle
3955         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3956         Output_relaxed_input_section.
3957         (Output_section::Input_section::is_input_section,
3958         Output_section::Input_section::set_output_section): Handle relaxed
3959         input section.
3960         (Output_section::Input_section::is_relaxed_input_section,
3961         Output_section::Input_section::output_section_data,
3962         Output_section::Input_section::relaxed_input_section): New method
3963         definitions.
3964         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3965         value.
3966         (Output_section::Input_section::u1_): Update comments.
3967         (Output_section::Input_section::u2_): Add new union member poris.
3968         (Output_section::Checkpoint_output_section): New classs definition.
3969         (Output_section::relax_input_section): New method declaration.
3970         (Output_section::checkpoint_): New data member.
3971         (Output_segment): Update comments.
3972         (Output_segment::Output_segment): Un-privatize copy constructor.
3973         (Output_segment::operator=): Un-privatize.
3974         * script-sections.cc (Output_section_element::Input_section_list):
3975         Change element type to Output_section::Simple_input_section.
3976         (Output_section_element_dot_assignment::set_section_addresses):
3977         Register output section data for relaxation clean up.
3978         (Output_data_exression::Output_data_expression): Adjust call to base
3979         constructor to fix data size.
3980         (Output_section_element_data::set_section_addresses): Register
3981         Output_data_expression object for relaxation clean up.
3982         (struct Input_section_info): Replace Relobj pointer and section index
3983         pair with Output_section::Simple_input_section and Convert struct to a
3984         class.
3985         (Input_section_sorter::operator()): Adjust access to
3986         Input_section_info data member to use accessors. 
3987         (Output_section_element_input::set_section_addresses): Use layout
3988         parameter.  Adjust code to use Output_section::Simple_input_section
3989         and Input_secction_info classes.  Register filler for relaxation
3990         clean up.
3991         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3992         and section index pair with Output_section::Simple_input_section
3993         class.  Adjust code accordingly.
3994         (Phdrs_element::release_segment): New method definition.
3995         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3996         segment list.
3997         (Script_sections::release_segments): New method definition.
3998         * gold/script-sections.h (Script_sections::release_segments): New
3999         method declaration.
4000         * gold/target.h (Target::may_relax, Target::relax,
4001         Target::do_may_relax, Target::do_relax): New method definitions.
4003 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4005         * arm.cc (has_signed_unsigned_overflow): New function.
4006         (Arm_relocate_functions::abs8): New function.
4007         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4008         (Target_arm::Scan::global): Likewise.
4009         (Target_arm::relocate::relocate): Likewise.
4010         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4011         Likewise.
4013 2009-09-16  Cary Coutant  <ccoutant@google.com>
4015         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4016         * testsuite/Makefile.in: Regenerate.
4018 2009-09-11  Nick Clifton  <nickc@redhat.com>
4020         * po/gold.pot: Updated by the Translation project.
4022 2009-09-08  Cary Coutant  <ccoutant@google.com>
4024         * output.cc (Output_file::open): Add execute permission to empty file.
4025         * testsuite/Makefile.am (permission_test): New test.
4026         * testsuite/Makefile.in: Regenerate.
4028 2009-09-02  Ian Lance Taylor  <iant@google.com>
4030         * output.cc (Output_file::resize): Call map_no_anonymous rather
4031         than map.
4033 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4035         * gold.cc: Include "incremental.h".
4036         (queue_initial_tasks): Call Incremental_checker methods.
4037         * incremental.cc: Include "output.h".
4038         (Incremental_checker::can_incrementally_link_output_file): New
4039         method.
4040         * incremental.h (Incremental_checker): New class.
4042         * output.cc (Output_file::open_for_modification): New method.
4043         (Output_file::map_anonymous): Changed return type to bool.  Record
4044         map in base_ field.
4045         (Output_file::map_no_anonymous): New method, broken out of map.
4046         (Output_file::map): Use map_no_anonymous and map_anonymous.
4047         * output.h (class Output_file): Update declarations.
4049 2009-08-24  Cary Coutant  <ccoutant@google.com>
4051         * options.h (Command_line::Pre_options): New class.
4052         (Command_line::pre_options): New member.
4053         * options.cc (gold::options::ready_to_register): New variable.
4054         (One_option::register_option): Do nothing if not registering options.
4055         Assert if same short option registered twice.
4056         (General_options::General_options): Turn off option registration when
4057         done constructing.
4058         (Command_line::Pre_options::Pre_options): New constructor.
4060 2009-08-24  Cary Coutant  <ccoutant@google.com>
4062         * options.h (General_options::no_keep_memory): Remove incorrect
4063         short option.
4065 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4067         * Makefile.am (am__skiplex, am__skipyacc): New.
4068         * Makefile.in: Regenerate.
4070 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4072         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4073         (INCLUDES): ... this.
4074         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4075         (AM_CPPFLAGS): Renamed from ...
4076         (INCLUDE): ... this.
4077         * Makefile.in, testsuite/Makefile.in: Regenerate.
4079         * Makefile.in: Regenerate.
4080         * aclocal.m4: Likewise.
4081         * config.in: Likewise.
4082         * configure: Likewise.
4083         * testsuite/Makefile.in: Likewise.
4085         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4086         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4087         * Makefile.in: Regenerate.
4088         * testsuite/Makefile.in: Regenerate.
4090 2009-08-19  Cary Coutant  <ccoutant@google.com>
4092         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4093         symbols in shared libraries overridden by hidden or internal symbols
4094         in the main program.
4096 2009-08-19  Chris Demetriou  <cgd@google.com>
4098         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4099         checking source file names in error messages.
4101 2009-08-18  Doug Kwan  <dougkwan@google.com>
4103         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4104         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4105         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4106         an elfcpp::Ehdr as parameter.
4107         * object.cc (Object::set_target): Remove the version that looks up
4108         a target and sets it.
4109         (Sized_relobj::setup): Take a Target object instead of
4110         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4111         (make_elf_sized_object): Find target and ask target to
4112         make an ELF object.
4113         * object.h: (Object::set_target): Remove the version that looks up
4114         a target and sets it.
4115         (Sized_relobj::setup): Take a Target object instead of
4116         an elfcpp:Ehdr as parameter.
4117         * target.cc: Include dynobj.h.
4118         (Target::do_make_elf_object_implementation): New.
4119         (Target::do_make_elf_object): New.
4120         * target.h (Target::make_elf_object): New template declaration.
4121         (Target::do_make_elf_object): New method declarations.
4122         (Target::do_make_elf_object_implementation): New template declaration.
4124 2009-08-14  Ian Lance Taylor  <iant@google.com>
4126         * gold.h (FUNCTION_NAME): Define.
4127         (gold_unreachable): Use FUNCTION_NAME.
4129 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4131         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4132         symbol in the --keep-unique list is not found.
4134 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4136         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4137         been maked as --keep-unique.
4138         (Icf::unfold_section): New function.
4139         * icf.h (Icf::unfold_section): New function.
4140         * options.h (General_options::keep_unique): New option.
4141         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4142         * testsuite/Makefile.in: Regenerate.
4143         * testsuite/icf_keep_unique_test.sh: New file.
4144         * testsuite/icf_keep_unique_test.cc: New file.
4146 2009-08-12  Cary Coutant  <ccoutant@google.com>
4148         PR 10471
4149         * resolve.cc (Symbol_table::resolve): Check for references from
4150         dynamic objects to hidden and internal symbols.
4151         * testsuite/Makefile.am (hidden_test.sh): New test.
4152         * testsuite/Makefile.in: Regenerate.
4153         * testsuite/hidden_test.sh: New script.
4154         * testsuite/hidden_test_1.c: New test source.
4155         * testsuite/hidden_test_main.c: New test source.
4157 2009-08-11  Doug Kwan  <dougkwan@google.com>
4159         * arm.cc: Update comments.
4160         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4161         segment to locate the .ARM.exidx section if present.
4163 2009-08-09  Doug Kwan  <dougkwan@google.com>
4165         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4166         patch.
4168 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4169         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4170         compiler warnings.
4172 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4174         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4175         valid tls_segment only for non-debug-section relocations.
4176         * testsuite/Makefile.am: Add gc_tls_test.
4177         * testsuite/Makefile.in: Regenerate.
4178         * testsuite/gc_tls_test.cc: New file.
4179         * testsuite/gc_tls_test.sh: New file.
4181 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4182         
4183         * icf.cc: New file.
4184         * icf.h: New file.
4185         * Makefile.am (CCFILES): Add icf.cc.
4186         (HFILES): Add icf.h
4187         * Makefile.in: Regenerate.
4188         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4189         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4190         section, symbol and addend information for the relocs.
4191         * gold.cc (queue_middle_tasks): Call identical code folding.
4192         * gold.h: Add defines for multimap.
4193         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4194         to the call of finalize_local_symbols.
4195         * main.cc (main): Create object of class Icf.
4196         * object.cc (Sized_relobj::do_layout): Allow this function to be
4197         called twice during icf.
4198         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4199         to sections marked as identical by icf.
4200         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4201         when available.
4202         (Sized_relobj::do_section_entsize): New function.
4203         * object.h (Object::section_entsize): New function.
4204         (Object::do_section_entsize): New pure virtual function.
4205         (Relobj::finalize_local_symbols): Add new parameter.
4206         (Relobj::do_section_entsize): New function.
4207         * options.h (General_options::icf): New option.
4208         (General_options::icf_iterations): New option.
4209         (General_options::print_icf_sections): New option.
4210         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4211         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4212         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4213         icf.
4214         * symtab.cc (Symbol_table::is_section_folded): New function.
4215         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4216         to sections marked as identical by icf.
4217         * symtab.h (Symbol_table::set_icf): New function.
4218         (Symbol_table::icf): New function.
4219         (Symbol_table::is_section_folded): New function.
4220         (Symbol_table::icf_): New data member.
4221         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4222         * testsuite/Makefile.am: Add commands to build icf_test.
4223         * testsuite/Makefile.in: Regenerate.
4224         * testsuite/icf_test.sh: New file.
4225         * testsuite/icf_test.cc: New file.
4227 2009-07-24  Chris Demetriou  <cgd@google.com>
4229         * layout.cc (is_compressible_debug_section): Fix incorrect
4230         comment about compressed section names.
4232 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4234         PR 10419
4235         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4237 2009-07-16  Ian Lance Taylor  <iant@google.com>
4239         PR 10400
4240         * layout.h: #include <map>.
4241         (class Kept_section): Change from struct to class.  Add accessors
4242         and setters.  Add section size to Comdat_group mapping.  Change
4243         Comdat_group to std::map.  Add is_comdat_ field.  Add
4244         linkonce_size field in union.
4245         (class Layout): Update declaration of find_or_add_kept_section.
4246         Don't declare find_kept_object.
4247         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4248         parameter.  Add object, shndx, is_comdat, and is_group_name
4249         parameters.  Change all callers.  Adjust for new Kept_section.
4250         (Layout::find_kept_object): Remove.
4251         * object.cc (Sized_relobj::include_section_group): Update use of
4252         Kept_section.  Rename secnum to shndx.  Only record
4253         Kept_comdat_section if sections are the same size.
4254         (Sized_relobj::include_linkonce_section): Update use of
4255         Kept_section.  Only record Kept_comdat_section if sections are the
4256         same size.  Set size of linkonce section.
4257         (Sized_relobj::map_to_kept_section): Update call to
4258         get_kept_comdat_section.
4259         * object.h (class Sized_relobj): Rename fields in
4260         Kept_comdat_section to drop trailing underscores; change object
4261         field to Relobj*.  Change Kept_comdat_section_table to store
4262         struct rather than pointer.
4263         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4264         Add kept_object and kept_shndx parameters.  Change all callers.
4265         (Sized_relobj::get_kept_comdat_section): Change return type to
4266         bool.  Add kept_object and kept_shndx parameters.  Change all
4267         callers.
4268         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4269         Layout::find_or_add_kept_section.
4271 2009-07-09  Ian Lance Taylor  <iant@google.com>
4273         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4274         Reserve space in the hash table.
4276 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4278         * fileread.cc (File_read::get_mtime): New method.
4279         * fileread.h (Timespec): New structure.
4280         (File_read::get_mtime): New method.
4281         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4282         Renamed from timestamp_nsec.
4283         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4284         Elf_Xword.
4285         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4286         timestamp_nsec.
4287         (Incremental_inputs::report_archive): Save mtime; style fix. 
4288         (Incremental_inputs::report_obejct): Save mtime; style fix.
4289         (Incremental_inputs::report_script): Save mtime; style fix.
4290         (Incremental_inputs::finalize_inputs): Style fix.
4291         (Incremental_inputs::finalize): Style fix.
4292         (Incremental_inputs::create_input_section_data): Store inputs
4293         mtime.
4294         * incremental.h (Incremental_inputs::report_script): Add mtime
4295         argument.
4296         (Incremental_inputs::Input_info::Input_info): Intialize only one
4297         union member.
4298         (Incremental_inputs::Input_info::archive): Move to nameless
4299         union.
4300         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4301         (Incremental_inputs::Input_info::script): Move to nameless union.
4302         (Incremental_inputs::mtime): New field.
4303         * script.cc (read_input_script): Pass file mtime to
4304         Incremental_input.
4305         * script.h (Script_info::inputs): Style fix.
4307 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4309         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4310         instead of 32.
4312 2009-06-24  Ian Lance Taylor  <iant@google.com>
4314         PR 10156
4315         * layout.cc (Layout::choose_output_section): If we find an
4316         existing section, update the flags.
4317         (Layout::create_notes): New function, broken out of
4318         Layout::finalize.
4319         (Layout::finalize): Don't create note sections.
4320         (Layout::create_note): Don't crash if linker script discards
4321         section.
4322         (Layout::create_gold_note): Likewise.
4323         (Layout::create_build_id): Likewise.  Don't set
4324         after_input_sections on the section.
4325         (Layout::create_executable_stack_info): Remove target parameter.
4326         Change caller.
4327         * layout.h (class Layout): Declare create_notes.  Update
4328         declaration of create_executable_stack_info.
4329         * gold.cc (queue_middle_tasks): Call create_notes.
4330         * output.cc (Output_section::update_flags_for_input_section): Move
4331         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4332         invalid.
4333         * output.h (Output_data::mark_address_invalid): New function.
4334         (class Output_section): Only declare, not define,
4335         update_flags_for_input_section.  Remove set_flags.
4337 2009-06-24  Ian Lance Taylor  <iant@google.com>
4339         * script-sections.cc (Output_section_definition::
4340         set_section_addresses): Rename shadowing local load_address to
4341         laddr.
4343 2009-06-24  Ian Lance Taylor  <iant@google.com>
4345         PR 10244
4346         * reloc.cc (relocate_sections): Skip empty relocation sections.
4348 2009-06-23  Ian Lance Taylor  <iant@google.com>
4350         PR 10156
4351         * layout.cc (Layout::create_note): Use choose_output_section
4352         rather than make_output_section.
4354 2009-06-23  Ian Lance Taylor  <iant@google.com>
4356         PR 10237
4357         * options.cc (General_options::parse_V): Set printed_version_.
4358         (General_options::General_options): Initialize printed_version_.
4359         * options.h (class General_options): Add printed_version_ field.
4360         * gold.cc (queue_initial_tasks): If there are no input files,
4361         don't give a fatal error if we printed the version information.
4362         (queue_middle_tasks): If using -r with a shared object, give a
4363         fatal error rather than an ordinary error.
4365 2009-06-23  Ian Lance Taylor  <iant@google.com>
4367         PR 10219
4368         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4369         (Layout::make_output_section): Set have_stabstr_section_ if we see
4370         a .stab*str section.
4371         (Layout::finalize): Call link_stabs_sections.
4372         (Layout::link_stabs_sections): New file.
4373         * layout.h (class Layout): Add have_stabstr_section_ field.
4374         Declare link_stabs_sections.
4376 2009-06-23  Doug Kwan  <dougkwan@google.com>
4378         * Makefile.am (libgold_a_LIBADD): New.
4379         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4380         * Makefile.in: Regenerate.
4381         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4382         * configure: Regenerate.
4383         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4384         * fileread.cc: Include sys/state.h
4385         * gold.h: Declare memmem and strndup if found missing.
4386         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4388 2009-06-23  Ian Lance Taylor  <iant@google.com>
4390         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4391         * configure: Rebuild.
4393 2009-06-23  Ian Lance Taylor  <iant@google.com>
4395         PR 10147
4396         * object.cc (Object::section_contents): Don't try to get a view if
4397         the section has length zero.
4398         (Object::handle_gnu_warning_section): If the section is empty, use
4399         the name of the section as the warning.
4401 2009-06-23  Ian Lance Taylor  <iant@google.com>
4403         PR 10133
4404         * stringpool.h (class Stringpool_template): Add optimize_ field.
4405         (Stringpool_template::set_optimize): New function.
4406         * stringpool.cc (Stringpool_template::Stringpool_template):
4407         Initialize optimize_ field.
4408         (Stringpool_template::set_string_offsets): Test local optimize
4409         fild rather than parameter.
4410         * layout.cc (Layout::Layout): Call set_optimize on the section
4411         name stringpool.
4413 2009-06-22  Ian Lance Taylor  <iant@google.com>
4415         PR 10030
4416         * yyscript.y: Parse TARGET.
4417         * script.cc (script_set_target): New function.
4418         * script-c.h (script_set_target): Declare.
4419         * options.cc (General_options::string_to_object_format): Rename
4420         from string_to_object_format in anonymous namespace.  Change
4421         callers.
4422         * options.h (class General_options): Declare
4423         string_to_object_format.
4425 2009-06-22  Ian Lance Taylor  <iant@google.com>
4427         * script-sections.cc (Script_sections::create_segments): Don't put
4428         program headers in a PT_LOAD segment if -n or -N.
4430 2009-06-22  Ian Lance Taylor  <iant@google.com>
4432         PR 10141
4433         * options.h (class General_options): Add -z lazy and -z now.  Sort
4434         -z options into alphabetical order.
4435         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4437 2009-06-21  Ian Lance Taylor  <iant@google.com>
4439         * layout.cc (Layout::make_output_section): Call
4440         Target::new_output_section.
4441         (Layout::attach_allocated_section_to_segment): Put large section
4442         sections in a separate load segment with the large segment flag
4443         set.
4444         (Layout::segment_precedes): Sort large data segments after other
4445         load segments.
4446         (align_file_offset): New static function.
4447         (Layout::set_segment_offsets): Use align_file_offset.
4448         * output.h (class Output_section): Add is_small_section_ and
4449         is_large_section_ fields.
4450         (Output_section::is_small_section): New function.
4451         (Output_section::set_is_small_section):  New function.
4452         (Output_section::is_large_section): New function.
4453         (Output_section::set_is_large_section): New function.
4454         (Output_section::is_large_data_section): New function.
4455         (class Output_segment): Add is_large_data_segment_ field.
4456         (Output_segment::is_large_data_segment): New function.
4457         (Output_segment::set_is_large_data_segment): New function.
4458         * output.cc (Output_section::Output_section): Initialize new
4459         fields.
4460         (Output_segment::Output_segment): Likewise.
4461         (Output_segment::add_output_section): Add assertion that large
4462         data sections always go in large data segments.  Force small data
4463         sections to the end of the list of data sections.  Force small BSS
4464         sections to the start of the list of BSS sections.  For large BSS
4465         sections to the end of the list of BSS sections.
4466         * symtab.h (class Symbol): Declare is_common_shndx.
4467         (Symbol::is_defined): Check Symbol::is_common_shndx.
4468         (Symbol::is_common): Likewise.
4469         (class Symbol_table): Define enum Commons_section_type.  Update
4470         declarations.  Add small_commons_ and large_commons_ fields.
4471         * symtab.cc (Symbol::is_common_shndx): New function.
4472         (Symbol_table::Symbol_table): Initialize new fields.
4473         (Symbol_table::add_from_object): Put small and large common
4474         symbols in the right list.
4475         (Symbol_table::sized_finalized_symbol): Check
4476         Symbol::is_common_shndx.
4477         (Symbol_table::sized_write_globals): Likewise.
4478         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4479         common symbol lists.  Don't call do_allocate_commons_list if the
4480         list is empty.
4481         (Symbol_table::do_allocate_commons_list): Remove is_tls
4482         parameter.  Add comons_section_type parameter.  Change all
4483         callers.  Handle small and large common symbols.
4484         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4485         Symbol::is_common_shndx.
4486         * resolve.cc (symbol_to_bits): Likewise.
4487         * target.h (Target::small_common_shndx): New function.
4488         (Target::small_common_section_flags): New function.
4489         (Target::large_common_shndx): New function.
4490         (Target::large_common_section_flags): New function.
4491         (Target::new_output_section): New function.
4492         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4493         small_common_section_flags, and large_common_section_flags
4494         fields.
4495         (Target::do_new_output_section): New virtual function.
4496         * arm.cc (Target_arm::arm_info): Initialize new fields.
4497         * i386.cc (Target_i386::i386_info): Likewise.
4498         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4499         Likewise.
4500         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4501         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4502         (Target_x86_64::do_new_output_section): New function.
4503         * configure.ac: Define conditional MCMODEL_MEDIUM.
4504         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4505         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4506         (large_LDFLAGS): Define.
4507         * testsuite/large.c: New file.
4508         * testsuite/testfile.cc (Target_test::test_target_info):
4509         Initialize new fields.
4510         * configure, testsuite/Makefile.in: Rebuild.
4512 2009-06-05  Doug Kwan  <dougkwan@google.com>
4514         * Makefile.am (CCFILES): Add target.cc.
4515         * Makefile.in: Regenerate. 
4516         * i386.cc (class Target_i386): Define new virtual method to
4517         override do_is_local_label_name in parent.
4518         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4519         local symbols if --discard-locals or -X is given.
4520         * options.h (class General_options): Declare new options
4521         '--discard-locals' and '-X' for discarding locals.
4522         * target.h (class Target): Define new methods is_local_label_name.
4523         Declare new virtual method do_is_local_label_name.
4524         * target.cc: New file.
4525         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4526         (check_SCRIPTS): Add discard_locals_test.sh.
4527         (check_DATA): Add discard_local_tests.syms.
4528         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4529         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4530         * testsuite/Makefile.in: Regenerate.
4531         * testsuite/discard_locals_test.c: New file.
4532         * testsuite/discard_locals_test.sh: Same.
4534 2009-06-05  Doug Kwan  <dougkwan@google.com>
4536         * object.cc (Sized_relobj::Sized_relobj): Initialize
4537         discarded_eh_frame_shndx_ to -1U.
4538         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4539         section.
4540         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4541         a discarded .eh_frame section.
4542         (Sized_relobj::do_finalize_local_symbols): Ditto.
4543         * object.h (class Sized_relobj): Declare new member
4544         discarded_eh_frame_shndx_.
4545         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4546         (local_labels_test.o, local_labels_test): New rules.
4547         * testsuite/Makefile.in: Regenerate.
4549 2009-06-04  Doug Kwan  <dougkwan@google.com>
4551         * layout.cc (Layout::section_name_mapping): Add mapping for
4552         special ARM sections.
4554 2009-06-03  Doug Kwan  <dougkwan@google.com>
4556         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4557         (utils::has_overflow): Same.
4559 2009-06-03  Ian Lance Taylor  <iant@google.com>
4561         * layout.cc (Layout::section_name_mapping): New array, replacing
4562         Layout::linkonce_mapping.
4563         (Layout::section_name_mapping_count): New variable, replacing
4564         Layout::linkonce_mapping_count.
4565         (Layout::linkonce_output_name): Remove.
4566         (Layout::output_section_name): Rewrite.
4567         * layout.h (class Layout): Rename Linkonce_mapping to
4568         Section_name_mapping, linkonce_mapping to section_name_mapping,
4569         linkonce_mapping_count to section_name_mapping_count.  Don't
4570         declare linkonce_output_name.
4572 2009-06-03  Doug Kwan  <dougkwan@google.com>
4574         * gold/arm.cc (namespace utils): New.
4575         (Target_arm::reloc_is_non_pic): Define new method.
4576         (class Arm_relocate_functions): New.
4577         (Target_arm::Relocate::relocate): Handle relocation types used by
4578         Android.
4580 2009-06-03  Ian Lance Taylor  <iant@google.com>
4582         * arm.cc (Target_arm::scan::global): Use || instead of |.
4584 2009-06-02  Doug Kwan  <dougkwan@google.com>
4586         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4587         issued_non_pic_error_.
4588         (class Target_arm::Scan): Declare new method check_non_pic.
4589         Define new method symbol_needs_plt_entry.
4590         Declare new data member issued_non_pic_error_.
4591         (class Target_arm::Relocate): Declare new method
4592         should_apply_static_reloc.
4593         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4594         (Target_arm::Scan::check_non_pic): Define new method.
4595         (Target_arm::Scan::local): Handle a small subset of reloc types used
4596         by Android.
4597         (Target_arm::Scan::local): Same.
4598         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4600 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4602         * incremental.cc (Incremental_inputs::report_command_line): Filter
4603         out --incremental-* options.
4605 2009-05-29  Doug Kwan  <dougkwan@google.com>
4607         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4608         template class.
4609         (class Target_arm): Update comment.
4610         (Target_arm::Target_arm): Initialize new data members GOT_,
4611         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4612         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4613         and Target_arm::rel_dyn_section.
4614         Declare new_enum Target_arm::Got_type.
4615         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4616         and DYNBSS_.
4617         Update commments for member do_dynsym_value.
4618         (Target_arm::got_size, Target_arm::plt_section,
4619         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4620         new methods inside class defintion.
4621         (Target_arm::got_section): Define new method.
4622         (Target_arm::rel_dyn_section): Same.
4623         (Output_data_plt_arm): New template class.
4624         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4625         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4626         (Output_data_plt_arm::add_entry): Same.
4627         (Output_data_plt_arm::first_plt_entry): Define new
4628         static data member for PLT instruction template.
4629         (Output_data_plt_arm::plt_entry): Same.
4630         (Output_data_plt_arm::do_write): Define new method.
4631         (Target_arm::make_plt_entry): Same.
4632         (Target_arm::do_finalize_sections): Same.
4633         (Target_arm::do_dynsym_value): Same.
4635 2009-05-28  Doug Kwan  <dougkwan@google.com>
4637         * Makefile.am (TARGETSOURCES): Add arm.cc.
4638         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4639         * Makefile.in: Regenerate.
4640         * arm.cc: New file.
4641         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4643 2009-05-26  Doug Kwan  <dougkwan@google.com>
4645         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4646         (General_options::check_excluded_libs): Strip off directories in
4647         archive name before matching like GNU ld does.
4648         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4649         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4650         (exclude_libs_test_LDFLAGS): Add linker option
4651         -Wl,--exclude-libs,libexclude_libs_test_3
4652         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4653         an explicit archive without using -l.
4654         (alt/libexclude_libs_test_3.a): New make rule.
4655         * testsuite/Makefile.in: Regenerate.
4656         * testsuite/exclude_libs_test.c : Declare lib3_default().
4657         (main): Call it.
4658         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4659         * exclude_libs_test_3.c: New file.
4661 2009-05-26  Nick Clifton  <nickc@redhat.com>
4663         * po/id.po: New Indonesian translation.
4664         * po/gold.pot: Updated template file.
4666 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4668         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4669         gc_comdat_test files.  Add -Wl,--gc-sections to build
4670         gc_comdat_test.
4671         * testsuite/Makefile.in: Regenerate.
4672         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4674 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4676         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4677         kept comdat section was garbage collected.
4678         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4679         * testsuite/Makefile.in: Regenerate.
4680         * testsuite/gc_comdat_test.sh: New file.
4681         * testsuite/gc_comdat_test_1.cc: New file.
4682         * testsuite/gc_comdat_test_2.cc: New file.
4684 2009-05-19  Doug Kwan  <dougkwan@google.com>
4686         * archive.cc (Archive::Archive): Move constructor from archive.h
4687         to here.  Initialize no_export_.
4688         (Archive::get_elf_object_for_member): Set no_export flag of object.
4689         * archive.h (Archive::Archive): Move constructor body to
4690         archive.cc.
4691         (Archive::no_export): New method.
4692         (Archive::no_export_): New field.
4693         * object.h (Object::Object): Initialize no_export_ to false.
4694         (Object::no_export, Object::set_no_export): New methods.
4695         (Object::no_export_): New field.
4696         * options.cc (General_options::parse_exclude_libs): New method.
4697         (General_options::check_excluded_libs) Same.
4698         * options.h (exclude_libs): New option.
4699         (General_options::check_excluded_libs): New method declaration.
4700         (General_options::excluded_libs_): New field.
4701         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4702         default or protected visibility if an object has no-export flag set.
4703         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4704         (check_SCRIPTS): Add exclude_libs_test.sh.
4705         (check_DATA): Add exclude_libs_test.syms.
4706         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4707         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4708         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4709         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4710         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4711         libexclude_libs_test_2.a): New rules.
4712         * testsuite/Makefile.in: Regenerate.
4713         * testsuite/exclude_libs_test.c: New file.
4714         * testsuite/exclude_libs_test.sh: Ditto.
4715         * testsuite/exclude_libs_test_1.c: Ditto.
4716         * testsuite/exclude_libs_test_2.c: Ditto.
4718 2009-05-15  Ian Lance Taylor  <iant@google.com>
4720         * configure.ac: Check for declarations for cases where libiberty.h
4721         checks HAVE_DECL_xxx.
4722         * configure, config.in: Rebuild.
4724 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4726         * gold.h (Incremental_argument_list): Remove (invalid) forward
4727         declaration.
4728         * incremental.cc (Incremental_inputs::report_achive): New method.
4729         (Incremental_inputs::report_object): New method.
4730         (Incremental_inputs::report_script): New method.
4731         (Incremental_inputs::finalize_inputs): New method.
4732         (Incremental_inputs::finalize): Call finalize_inputs().
4733         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4734         Create inputs entries.
4735         * incremental.h (Incremental_input_type): New enum.
4736         (Incremental_inputs::Incremental_input): Initialize new fields.
4737         (Incremental_inputs::report_inputs): New method.
4738         (Incremental_inputs::report_achive): New method.
4739         (Incremental_inputs::report_object): New method.
4740         (Incremental_inputs::report_script): New method.
4741         (Incremental_inputs::finalize_inputs): New method.
4742         (Incremental_inputs::Input_info): New struct.
4743         (Incremental_inputs::Input_info_map): New typedef.
4744         (Incremental_inputs::lock_): New field.
4745         (Incremental_inputs::Inputs_): New field.
4746         (Incremental_inputs::Inputs_map): New field.
4747         * main.cc (main): Call Incremental_input::report_inputs.
4748         * options.h (Input_argument_list): Typedef moved from
4749         Input_arguments.
4750         (Input_file_group::Files): Remove, use ::Input_argument_list.
4751         (Input_file_group::Input_argument_list): Remove, use
4752         ::Input_argument_list.
4753         * plugin.cc (Plugin_manager::add_input_file): Add error in
4754         incremental build.
4755         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4756         functions.
4757         * script.cc (read_input_script): Call
4758         Incremental_input::report_script.
4759         * script.h (Script_info): New class.
4761 2009-04-27  Ian Lance Taylor  <iant@google.com>
4763         * x86_64.cc (do_adjust_output_section): Set entsize to
4764         plt_entry_size.
4766 2009-04-23  Elliott Hughes  <enh@google.com>
4768         * output.cc (Output_file::close): After short writes, continue
4769         writing from the correct offset in the buffer being written.
4771 2009-04-23  Chris Demetriou  <cgd@google.com>
4773         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4774         * configure: Regenerate.
4775         * config.in: Regenerate.
4776         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4777         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4779 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4781         * incremental.cc (Incremental_inputs_header_data): Renamed from
4782         Incremental_input_header_data.
4783         (Incremental_inputs_header_data::data_size): New field.
4784         (Incremental_inputs_header_data::put_input_file_count): Renamed
4785         from input_file_count.
4786         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4787         from command_line_offset.
4788         (Incremental_inputs_header_data::put_reserved): Renamed from
4789         put_reserved.
4790         (Incremental_inputs_entry_data): Renamed from
4791         Incremental_input_entry_data.
4792         (Incremental_inputs_entry_data::data_size): New field.
4793         (Incremental_inputs::report_command_line): New method.
4794         (Incremental_inputs::finalize): New method.
4795         (Incremental_inputs::create_incremental_inputs_data): New method.
4796         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4797         * incremental.h: New file.
4798         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4799        (Layout::finalize): Create incremental inputs section in
4800         incremental builds.
4801        (Layout::create_incremental_info_sections): New method.
4802         * layout.h (Layout::incremental_inputs): New method.
4803        (Layout::create_incremental_info_sections): New method.
4804        (Layout::incremental_inputs_): New field.
4805         * main.cc (main): Notify Incremental_input of the command line.
4807 2009-04-01  Ian Lance Taylor  <iant@google.com>
4808             Mikolaj Zalewski  <mikolajz@google.com>
4810         * gold.h (reserve_unordered_map): Define, three versions, one for
4811         each version of Unordered_map.
4812         * layout.cc (Layout::Layout): Remove options parameter.  Add
4813         number_of_input_files parameter.  Don't initialize options_.
4814         Initialize number_of_input_files_ and resized_signatures_.  Move
4815         sections_are_attached_.
4816         (Layout::layout_group): Reserve space for group_signatures_.
4817         (Layout::find_or_add_kept_section): Change name parameter to be a
4818         reference.  Resize signatures_ map when it gets large enough.
4819         (Layout::layout_eh_frame): Use parameters->options() instead of
4820         this->options_.
4821         (Layout::make_output_section): Likewise.
4822         (Layout::attach_allocated_section_to_segment): Likewise.
4823         (Layout::finalize, Layout::create_executable_stack): Likewise.
4824         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4825         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4826         * layout.h (class Layout): Update declarations.  Remove options_
4827         field.  Add number_of_input_files_ and resized_signatures_
4828         fields.  Move sections_are_attached_ field.
4829         * main.cc (main): Pass number of input files to Layout
4830         constructor.  Don't pass options.
4832 2009-03-30  Ian Lance Taylor  <iant@google.com>
4834         * ffsll.c (ffsll): Correct implementation.
4836 2009-03-27  Ian Lance Taylor  <iant@google.com>
4838         * ffsll.c: New file.
4839         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4840         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4841         * ftruncate.c (ftruncate): Declare before definition.
4842         * mremap.c (mremap): Likewise.
4843         * pread.c (pread): Likewise.
4844         * configure, Makefile.in, config.in: Rebuild.
4846         * mremap.c: New file.
4847         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4848         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4849         (mremap): Declare if HAVE_MREMAP is not defined.
4850         * configure, Makefile.in, config.in: Rebuild.
4852 2009-03-27  Cary Coutant  <ccoutant@google.com>
4854         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4855         position independent.
4856         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4857         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4859 2009-03-24  Cary Coutant  <ccoutant@google.com>
4861         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4862         an executable.
4863         (needs_dynamic_reloc): Likewise.
4865 2009-03-24  Ian Lance Taylor  <iant@google.com>
4867         * yyscript.y (file_cmd): Recognize EXTERN.
4868         (extern_name_list, extern_name_list_body): New nonterminals.
4869         * script.cc (script_add_extern): Define.
4870         * script-c.h (script_add_extern): Declare.
4872 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4874         * object.cc (is_elf_object): Define.
4875         * object.h (is_elf_object): Declare.
4876         * archive.cc (Archive::get_elf_object_for_member): Call
4877         is_elf_object.
4878         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4880 2009-03-24  Elliott Hughes  <enh@google.com>
4882         * output.cc (Output_file::map_anonymous): Define.
4883         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4884         try an anonymous one.  Report the size if the mmap fails.
4885         * output.h (class Output_file): Declare map_anonymous.
4887 2009-03-24  Ian Lance Taylor  <iant@google.com>
4889         * target-select.cc (instantiate_target): Don't acquire the lock if
4890         the instantiated_target_ field has already been set.
4892 2009-03-23  Ian Lance Taylor  <iant@google.com>
4894         * gold-threads.h (class Initialize_lock): Define.
4895         * gold-threads.cc (class Initialize_lock_once): Define.
4896         (initialize_lock_control): New static variable.
4897         (initialize_lock_pointer): New static variable.
4898         (initialize_lock_once): New static function.
4899         (Initialize_lock::Initialize_lock): Define.
4900         (Initialize_lock::initialize): Define.
4901         * target-select.h: Include "gold-threads.h".
4902         (class Target_selector): Add lock_ and initialize_lock_ fields.
4903         Don't define instantiate_target, just declare it.
4904         * target-select.cc (Target_selector::Target_selector): Initialize
4905         new fields.
4906         (Target_selector::instantiate_target): Define.
4907         * descriptors.h: Include "gold-threads.h".
4908         (class Descriptors): Add initialize_lock_ field.
4909         * descriptors.cc (Descriptors::Descriptors): Initialize new
4910         field.
4911         (Descriptors::open): Use initialize_lock_ field
4912         * errors.h (class Errors): Add initialize_lock_ field.
4913         * errors.cc (Errors::Errors): Initialize new field.
4914         (Errors::initialize_lock): Use initialize_lock_ field.
4915         * powerpc.cc (class Target_selector_powerpc): Remove
4916         instantiated_target_ field.  In do_recognize call
4917         instantiate_target rather than do_instantiate_target.  In
4918         do_instantiate_target just allocate a new target.
4919         * sparc.cc (class Target_selector_sparc): Likewise.
4921         * freebsd.h: New file.
4922         * i386.cc: Include "freebsd.h".
4923         (Target_i386): Derive from Target_freebsd rather than
4924         Sized_target.
4925         (Target_selector_i386): Derive from Target_selector_freebsd rather
4926         than Target_selector.
4927         * x86_64.cc: Include "freebsd.h".
4928         (Target_x86_64): Derive from Target_freebsd rather than
4929         Sized_target.
4930         (Target_selector_x86_64): Derive from Target_selector_freebsd
4931         rather than Target_selector.
4932         * target.h (class Target): Add adjust_elf_header and
4933         do_adjust_elf_header.
4934         * output.cc (Output_file_header:: do_sized_write): Call target
4935         adjust_elf_header routine.
4936         * configure.tgt: Set targ_osabi.
4937         * configure.ac: Define GOLD_DEFAULT_OSABI.
4938         * parameters.cc (Parameters::default_target): Pass
4939         GOLD_DEFAULT_OSABI to select_target.
4940         * target-select.h (class Target_selector): Make instantiate_target
4941         protected rather than private.
4942         * Makefile.am (HFILES): Add freebsd.h.
4943         * configure, Makefile.in, config.in: Rebuild.
4945         * merge.cc (do_add_input_section): Correct pend value.  Change
4946         message about last entry not being null terminated from error to
4947         warning.
4949 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4951         * incremental.cc: New file.
4952         * Makefile.am (CCFILES): Add incremental.cc.
4953         * Makefile.in: Rebuild.
4955 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4957         * layout.cc (Layout::output_section_name): Preserve names
4958         of '.note.' sections.
4959         
4960 2009-03-19  Ian Lance Taylor  <iant@google.com>
4962         * descriptors.cc (Descriptors::open): Check that the options are
4963         valid before using them.
4965 2009-03-18  Ian Lance Taylor  <iant@google.com>
4967         * script-sections.h: Include <list>.
4968         (class Script_sections): Change Sections_elements from std::vector
4969         to std::list.  Typedef public Elements_iterator.  Add
4970         orphan_section_placement_, data_segment_align_start_, and
4971         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4972         field.
4973         * script-sections.cc (class Orphan_section_placement): New class.
4974         (class Sections_element): Add virtual functions is_relro and
4975         orphan_section_init.  Remove virtual function place_orphan_here.
4976         (class Output_section_definition): Add is_relro and
4977         orphan_section_init.  Remove place_orphan_here.
4978         (class Orphan_output_section): Likewise.
4979         (Script_sections::Script_sections): Update for field changes.
4980         (Script_sections::data_segment_align): Set saw_data_segment_align_
4981         and data_segment_align_start_, not data_segment_align_index.
4982         (Script_sections::data_segment_relro_end): Check
4983         saw_data_segment_align_.  Use data_segment_align_start_ rather
4984         than data_segment_align_index_.
4985         (Script_sections::place_orphan): Rewrite to use
4986         Orphan_section_placement.
4988 2009-03-17  Ian Lance Taylor  <iant@google.com>
4990         * archive.cc (Archive::add_symbols): Check for a version attached
4991         to the symbol name in the archive map.
4992         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4993         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4994         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4995         (ver_test_11.a): New target.
4996         * testsuite/Makefile.in: Rebuild.
4998         * configure.ac: Check for chsize and posix_fallocate.  Replace
4999         ftruncate.
5000         * ftruncate.c: New file, from gnulib.
5001         * output.cc (posix_fallocate): Define dummy version if not
5002         HAVE_POSIX_FALLOCATE.
5003         (Output_file::map): Call posix_fallocate rather than lseek and
5004         write.
5005         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5006         * configure, Makefile.in, config.in: Rebuild.
5008 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5009         
5010         * layout.h (Layout::create_note): Add section_name parameter.
5011         * layout.cc (Layout::create_note): Likewise.
5012         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5013         
5014 2009-03-17  Ian Lance Taylor  <iant@google.com>
5016         * descriptors.cc: Include "options.h".
5017         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5018         (Descriptors::open): Always use O_CLOEXEC when opening a new
5019         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5020         then set FD_CLOEXEC.
5022         * sparc.cc (class Target_sparc): Add has_got_section.
5023         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5024         make sure we have a GOT section.
5026         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5027         (Target_sparc::Scan::local): Likewise.
5028         (Target_sparc::Scan::global): Likewise.
5029         (Target_sparc::Relocate::relocate): Likewise.
5030         (Target_sparc::Relocate::relocate_tls): Likewise.
5032         * symtab.cc (Symbol_table::define_default_version): New function,
5033         broken out of add_from_object.
5034         (Symbol_table::add_from_object): Call define_default_version.
5035         (Symbol_table::define_special_symbol): Add resolve_oldsym
5036         parameter.  Change all callers.  If the version for a symbol comes
5037         from a version script, resolve it with the symbol with the same
5038         name with no version.  Also add the symbol without a version if
5039         appropriate.
5040         (do_define_in_output_data): If resolving with oldsym, don't delete
5041         sym.
5042         (do_define_in_output_segment): Likewise.
5043         (do_define_as_constant): Likewise.
5044         * symtab.h (class Symbol_table): Update declarations.
5046 2009-03-13  Ian Lance Taylor  <iant@google.com>
5048         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5049         (Read_symbols::requeue): New function.
5050         (Read_symbols::do_read_symbols): If make_elf_object fails because
5051         the target type is not configured, and the file was searched for,
5052         issue a warning and retry with the next directory.
5053         (Add_symbols::run): If the file has an incompatible format, and
5054         it was searched for, requeue the Read_symbols task.  On error,
5055         release the object.
5056         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5057         dirindex parameter to constructor.  Change all callers.  Declare
5058         incompatible_warning and requeue.
5059         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5060         input_argument_ and input_group_ fields.  Add them to
5061         constructor.  Change all callers.
5062         (class Read_script): Add dirindex_ field.  Add it to constructor.
5063         Change all callers.
5064         * archive.cc (Archive::setup): Remove input_objects parameter.
5065         Change all callers.
5066         (Archive::get_file_and_offset): Likewise.
5067         (Archive::read_all_symbols): Likewise.
5068         (Archive::read_symbols): Likewise.
5069         (Archive::get_elf_object_for_member): Remove input_objects
5070         parameter.  Add punconfigured parameter.  Change all callers.
5071         (Archive::add_symbols): Change return type to bool.  Check return
5072         value of include_member.
5073         (Archive::include_all_members): Likewise.
5074         (Archive::include_member): Change return type to bool.  Return
5075         false if first included object has incompatible target.  Set
5076         included_member_ field.
5077         (Add_archive_symbols::run): If add_symbols returns false, requeue
5078         Read_symbols task.
5079         * archive.h (class Archive): Add included_member_ field.
5080         Initialize it in constructor.  Add input_file and searched_for
5081         methods.  Update declarations.
5082         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5083         input_argument_ fields.  Add them to constructor.  Change all
5084         callers.
5085         * script.cc: Include "target-select.h".
5086         (class Parser_closure): Add skip_on_incompatible_target_ and
5087         found_incompatible_target_ fields.  Add
5088         skip_on_incompatible_target parameter to constructor.  Change all
5089         callers.  Add methods skip_on_incompatible_target,
5090         clear_skip_on_incompatible_target, found_incompatible_target, and
5091         set_found_incompatible_target.
5092         (read_input_script): Add dirindex parameter.  Change all callers.
5093         If parser finds an incompatible target, requeue Read_symbols
5094         task.
5095         (script_set_symbol): Clear skip_on_incompatible_target in
5096         closure.
5097         (script_add_assertion, script_parse_option): Likewise.
5098         (script_start_sections, script_add_phdr): Likewise.
5099         (script_check_output_format): New function.
5100         * script.h (read_input_script): Update declaration.
5101         * script-c.h (script_check_output_format): Declare.
5102         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5103         (ignore_cmd): Remove OUTPUT_FORMAT.
5104         * fileread.cc (Input_file::Input_file): Add explicit this.
5105         (Input_file::will_search_for): New function.
5106         (Input_file::open): Add pindex parameter.  Change all callers.
5107         * fileread.h (class Input_file): Add input_file_argument method.
5108         Declare will_search_for.  Update declarations.
5109         * object.cc (make_elf_object): Add punconfigured parameter.
5110         Change all callers.
5111         * object.h (class Object): Make input_file public.  Add
5112         searched_for method.
5113         (make_elf_object): Update declaration.
5114         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5115         restart search.
5116         * dirsearch.h (class Dirsearch): Update declaration.
5117         * options.h (class General_options): Add --warn-search-mismatch.
5118         * parameters.cc (Parameters::is_compatible_target): New function.
5119         * parameters.h (class Parameters): Declare is_compatible_target.
5120         * workqueue.cc (Workqueue::add_blocker): New function.
5121         * workqueue.h (class Workqueue): Declare add_blocker.
5123         * fileread.cc (Input_file::open): Remove options parameter.
5124         Change all callers.
5125         (Input_file::open_binary): Likewise.
5126         * script.cc (read_input_script): Likewise.
5127         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5128         options parameter from constructor.  Change all callers.
5129         (class Read_script): Likewise.
5130         * fileread.h (class Input_file): Update declarations.
5131         * script.h (read_input_script): Update declaration.
5133 2009-03-10  Nick Clifton  <nickc@redhat.com>
5135         * po/es.po: New Spanish translation.
5137 2009-03-06  Cary Coutant  <ccoutant@google.com>
5139         * options.cc (parse_short_option): Keep dash_z from registering itself.
5141 2009-03-03  Ian Lance Taylor  <iant@google.com>
5143         PR 9918
5144         * target-reloc.h (relocate_section): Pass output_section to
5145         relocate.
5146         * i386.cc (Target_i386::should_apply_static_reloc): Add
5147         output_section parameter.  Change all callers.
5148         (Target_i386::Relocate::relocate): Add output_section parameter.
5149         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5150         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5151         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5152         * testsuite/two_file_shared.sh: New script.
5153         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5154         (check_DATA): Add two_file_shared.dbg.
5155         (two_file_shared.dbg): New target.
5156         * testsuite/Makefile.in: Rebuild.
5158 2009-03-01  Ian Lance Taylor  <iant@google.com>
5160         * configure.ac: Check for byteswap.h.
5161         * configure: Rebuild.
5162         * config.in: Rebuild.
5164 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5166         * layout.cc (Layout::find_or_add_kept_section): New function.
5167         (Layout::add_comdat): Removed.
5168         * layout.h (struct Kept_section): Move out of class Layout.
5169         Remove trailing underscores from field names.  Add group_sections
5170         field.  Rename group_ field to is_group.  Change all uses.
5171         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5172         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5173         comdat_groups_ field.
5174         (Sized_relobj::include_section_group): Use
5175         find_or_add_kept_section and Kept_section::group_sections.
5176         (Sized_relobj::include_linkonce_section): Likewise.
5177         * object.cc (class Sized_relobj): Don't define Comdat_group or
5178         Comdat_group_table.  Remove find_comdat_group and
5179         add_comdat_group.  Remove comdat_groups_ field.
5180         * plugin.cc (include_comdat_group): Use
5181         Layout::find_or_add_kept_section.
5183 2009-02-28  Ian Lance Taylor  <iant@google.com>
5185         * README: --gc-sections and map files are now supported.  Document
5186         some build requirements.
5188         PR 6992
5189         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5190         relocatable link set the value of the section symbol to zero.
5191         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5192         relocatable link don't include the section address in the local
5193         symbol value.
5195 2009-02-27  Ian Lance Taylor  <iant@google.com>
5197         PR 6811
5198         * options.h (class Search_directory): Add is_system_directory.
5199         (class General_options): Declare is_in_system_directory.
5200         * options.cc (get_relative_sysroot): Make static.
5201         (get_default_sysroot): Make static.
5202         (General_optoins::is_in_system_directory): New function.
5203         * fileread.cc (Input_file::is_in_system_directory): New function.
5204         * fileread.h (class Input_file): Declare is_in_system_directory.
5205         * object.h (class Object): Add is_in_system_directory.
5206         (class Input_objects): Remove system_library_directory_ field.
5207         * object.cc (Input_objects::add_object): Don't set
5208         system_library_directory_.
5209         (input_objects::found_in_system_library_directory): Remove.
5210         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5211         parameter.  Change all callers.
5212         (Symbol_table::sized_write_globals): Likewise.
5213         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5214         Call Object::is_in_system_directory.
5215         * symtab.h (class Symbol_table): Update declarations.
5217         PR 5990
5218         * descriptors.h (Open_descriptor): Add is_on_stack field.
5219         * descriptors.cc (Descriptors::open): If the descriptor is on the
5220         top of the stack, remove it.  Initialize is_on_stack field.
5221         (Descriptors::release): Only add pod to stack if it is not on the
5222         stack already.
5223         (Descriptors::close_some_descriptor): Clear stack_next and
5224         is_on_stack fields.
5226         PR 7091
5227         * output.cc (Output_section::find_starting_output_address): Rename
5228         from starting_output_address; add PADDR parameter; change return
5229         type.
5230         * output.h (class Output_section): Declare
5231         find_starting_output_address instead of starting_output_address.
5232         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5233         section symbol for which we can't find a merge section.
5235         PR 9836
5236         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5237         hidden or internal, force the symbol to be local.
5238         * resolve.cc (Symbol::override_visibility): Define.
5239         (Symbol::override_base): Use override_visibility.
5240         (Symbol_table::resolve): Likewise.
5241         (Symbol::override_base_with_special): Likewise.
5242         (Symbol_table::override_with_special): If the visibility is hidden
5243         or internal, force the symbol to be local.
5244         * symtab.h (class Symbol): Add set_visibility and
5245         override_visibility.
5246         * testsuite/ver_test_1.sh: New file.
5247         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5248         (check_DATA): Add ver_test_1.syms.
5249         (ver_test_1.syms): New target.
5250         * testsuite/Makefile.in: Rebuild.
5252 2009-02-25  Cary Coutant  <ccoutant@google.com>
5254         * layout.cc (Layout::choose_output_section): Don't rename sections
5255         when using a linker script that has a SECTIONS clause.
5256         * Makefile.in: Regenerate.
5258         * testsuite/Makefile.am (script_test_5.sh): New test case.
5259         * testsuite/Makefile.in: Regenerate.
5260         * testsuite/script_test_5.cc: New file.
5261         * testsuite/script_test_5.sh: New file.
5262         * testsuite/script_test_5.t: New file.
5264 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5266         * archive.cc (Archive::include_member): Update calls to add_symbols.
5267         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5268         the Layout argument.
5269         * dynobj.h (do_add_symbols): Add the Layout argument.
5270         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5271         Layout argument.
5272         * object.h (Object::add_symbols): Add the Layout argument.
5273         (Object::do_add_symbols): Add the Layout argument.
5274         (Sized_relobj::do_add_symbols): Add the Layout argument.
5275         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5276         Unify the two versions.
5277         (Add_plugin_symbols): Remove.
5278         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5279         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5280         (Add_plugin_symbols): Remove.
5281         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5282         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5283         (Add_symbols::run): Make it work with Pulginobj.
5285 2009-02-06  Ian Lance Taylor  <iant@google.com>
5287         * object.cc (Sized_relobj::do_layout): Make info message start
5288         with lower case letter.
5290 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5292         * binary.cc: Fix file comment.
5294         * options.h (enum Incremental_disposition): Define.
5295         (class General_options): Add new options: --incremental,
5296         --incremental_changed, --incremental_unchanged,
5297         --incremental_unknown.  Add incremental_disposition_ and
5298         implicit_incremental_ fields.
5299         (General_options::incremental_disposition): New function.
5300         (class Position_dependent_options): Add incremental_disposition
5301         option.
5302         (Position_dependent_options::copy_from_options): Set incremental
5303         dispositions.
5304         * options.cc (General_options::parse_incremental_changed): New
5305         function.
5306         (General_options::parse_incremental_unchanged): New function.
5307         (General_options::parse_incremental_unknown): New function.
5308         (General_options::General_options): Initialize new fields
5309         incremental_disposition_ and implicit_incremental_.
5310         (General_options::finalize): Check for uasge of --incremental-*
5311         without --incremental.
5313 2009-02-06  Chris Demetriou  <cgd@google.com>
5315         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5316         pointer and to report location as the file name associated with
5317         the symbol.
5318         (gold_undefined_symbol_at_location): New function to replace the
5319         old gold_undefined_symbol functionality.
5320         * target-reloc.h (relocate_section): Update to use
5321         gold_undefined_symbol_at_location.
5322         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5323         Call gold_undefined_symbol function rather than gold_error.
5324         * errors.h (Errors::undefined_symbol): Take location as a
5325         string, rather than calculating it from a relocation.
5326         * errors.cc (Errors::fatal): Print "fatal error:" before the
5327         formatted message.
5328         (Errors::error, Errors::error_at_location): Print "error: "
5329         before the formatted message.
5330         (Errors::undefined_symbol): Take location as a string, rather
5331         than calculating it from a relocation.
5332         (gold_undefined_symbol_at_location): New function akin to
5333         old gold_undefined_symbol, calculates location from relocation.
5334         (gold_undefined_symbol): Change to take only a Symbol pointer
5335         and to report location as the file name associated with the symbol.
5336         * testsuite/debug_msg.sh: Update for changed error messages.
5337         * testsuite/undef_symbol.sh: Likewise.
5339 2009-02-04  Duncan Sands  <baldrick@free.fr>
5341         PR 9812
5342         * reduced_debug_output.h
5343         (Output_reduced_debug_abbrev_section::failed): Use format for
5344         gold_warning.
5345         (Output_reduced_debug_info_section::faild): Likewise.
5347 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5349         * script.cc (Lazy_demangler): New class.
5350         (Version_script_info::get_symbol_version_helper): Demangle a
5351         symbol only once.
5353 2009-01-29  Cary Coutant  <ccoutant@google.com>
5355         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5356         to __tls_get_addr.
5357         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5359 2009-01-28  Ian Lance Taylor  <iant@google.com>
5361         * version.cc (version_string): Bump to 1.9.
5363         * gold.h: Include <cstring> and <stdint.h>.
5364         * version.cc: Include <cstdio>.
5365         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5366         warning.
5367         * reduced_debug_output.cc (insert_into_vector): Rename from
5368         Insert_into_vector; change all callers.  Use Swap_unaligned to
5369         avoid aliasing issue; remove union since it is unnecessary.
5371 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5373         * Makefile.am (CCFILES): Add gc.cc.
5374         (HFILES): Add gc.h.
5375         * Makefile.in: Regenerate.
5376         * gold.cc (Gc_runner): New class.
5377         (queue_initial_tasks): Call garbage collection related tasks
5378         when corresponding options are invoked.
5379         (queue_middle_gc_tasks): New function.
5380         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5381         processed early before laying out sections during garbage collection.
5382         * gold.h (queue_middle_gc_tasks): New function.
5383         (is_prefix_of): Move from "layout.cc".
5384         * i386.cc (Target_i386::gc_process_relocs): New function.
5385         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5386         * main.cc (main): Create object of class "Garbage_collection".
5387         * object.cc (Relobj::copy_symbols_data): New function.
5388         (Relobj::is_section_name_included): New function.
5389         (Sized_relobj::do_layout): Allow this function to be called twice 
5390         during garbage collection and defer layout of section during the 
5391         first call.
5392         * object.h (Relobj::get_symbols_data): New function.
5393         (Relobj::is_section_name_included): New function.
5394         (Relobj::copy_symbols_data): New function.
5395         (Relobj::set_symbols_data): New function.
5396         (Relobj::get_relocs_data): New function.
5397         (Relobj::set_relocs_data): New function.
5398         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5399         (Relobj::gc_process_relocs): New function.
5400         (Relobj::do_gc_process_relocs): New pure virtual function.
5401         (Relobj::sd_): New data member.
5402         (Sized_relobj::is_output_section_offset_invalid): New function.
5403         (Sized_relobj::do_gc_process_relocs): New function.
5404         * options.h (General_options::gc_sections): Modify to not be a no-op.
5405         (General_options::print_gc_sections): New option.
5406         * plugin.cc (Plugin_finish::run): Remove function call to
5407         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5408         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5409         * reloc.cc (Read_relocs::run): Add task to process relocs and
5410         determine unreferenced sections when doing garbage collection.
5411         (Gc_process_relocs): New class.
5412         (Sized_relobj::do_gc_process_relocs): New function.
5413         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5414         sections that are garbage collected.
5415         * reloc.h (Gc_process_relocs): New class.
5416         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5417         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5418         symbols whose corresponding sections are garbage collected.
5419         (Symbol_table::Symbol_table): Add new parameter for the garbage
5420         collection object.
5421         (Symbol_table::gc_mark_undef_symbols): New function.
5422         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5423         (Symbol_table::gc_mark_dyn_syms): New function.
5424         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5425         as garbage.
5426         (Symbol_table::add_from_object): Likewise.
5427         (Symbol_table::add_from_relobj): When building shared objects, do not
5428         treat externally visible symbols as garbage.
5429         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5430         table information for static and relocatable links.
5431         * symtab.h (Symbol_table::set_gc): New function.
5432         (Symbol_table::gc): New function.
5433         (Symbol_table::gc_mark_undef_symbols): New function.
5434         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5435         (Symbol_table::gc_mark_dyn_syms): New function.
5436         (Symbol_table::gc_): New data member.
5437         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5438         function.
5439         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5440         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5442 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5444         * options.h (General_options::gc_sections): Define as a no-op for now.
5445         (General_options::no_keep_memory): Ditto.
5446         (General_options::Bshareable): Define.
5447         * options.cc (General_options::finalize): Honor -Bshareable.
5449 2009-01-20  Andreas Schwab  <schwab@suse.de>
5451         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5452         read the value in the contents, since we don't use it.  Use the
5453         template endianness when writing.
5454         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5456 2009-01-19  Andreas Schwab  <schwab@suse.de>
5458         * configure.tgt (powerpc64-*): Fix targ_obj.
5460 2009-01-15  Ian Lance Taylor  <iant@google.com>
5462         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5463         local symbols when stripping all symbols.
5465 2009-01-14  Cary Coutant  <ccoutant@google.com>
5467         * output.cc (Output_reloc): Add explicit instantiations.
5469 2009-01-14  Cary Coutant  <ccoutant@google.com>
5471         * archive.cc (Archive::get_elf_object_for_member): Remove call
5472         to File_read::claim_for_plugin.
5473         * descriptors.cc (Descriptors::open): Remove reference to
5474         is_claimed.
5475         (Descriptors::claim_for_plugin): Remove.
5476         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5477         (Descriptors::is_claimed): Remove.
5478         (claim_descriptor_for_plugin): Remove.
5479         * fileread.cc (File_read::claim_for_plugin): Remove.
5480         * fileread.h (File_read::claim_for_plugin): Remove.
5481         (File_read::descriptor): Reopen descriptor if necessary.
5482         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5483         (Plugin_manager::all_symbols_read): Add task parameter. Change
5484         all callers.
5485         (Plugin_manager::get_input_file): New function.
5486         (Plugin_manager::release_input_file): New function.
5487         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5488         corresponding data member.
5489         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5490         and pass to base constructor. Change all callers.
5491         (get_input_file, release_input_file): New functions.
5492         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5493         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5494         (Plugin_manager::all_symbols_read): Add task parameter.
5495         (Plugin_manager::get_input_file): New function.
5496         (Plugin_manager::release_input_file): New function.
5497         (Plugin_manager::task_): New data member.
5498         (Pluginobj::Pluginobj): Add filesize parameter.
5499         (Pluginobj::filename): New function.
5500         (Pluginobj::descriptor): New function.
5501         (Pluginobj::filesize): New function.
5502         (Pluginobj::filesize_): New data member.
5503         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5504         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5505         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5507         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5508         with archive libraries.
5509         * testsuite/Makefile.in: Regenerate.
5510         * testsuite/plugin_test.c (struct sym_info): New type.
5511         (get_input_file, release_input_file): New static variables.
5512         (onload): Capture new transfer vector entries.
5513         (claim_file_hook): Stop reading at end of file according to filesize.
5514         Factor out parsing of readelf output into separate function.
5515         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5516         APIs and get the source file name from the symbol table.  Convert
5517         source file name to corresponding object file name.  Print info
5518         message when adding new input files.
5519         (parse_readelf_line): New function.
5520         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5521         * testsuite/plugin_test_2.sh: Likewise.
5522         * testsuite/plugin_test_3.sh: Likewise.
5523         * testsuite/plugin_test_4.sh: New test case.
5525 2009-01-07  Ian Lance Taylor  <iant@google.com>
5527         * version.cc (version_string): Bump to 1.8.
5529 2008-12-23  Cary Coutant  <ccoutant@google.com>
5531         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5532         * plugin.cc (Plugin_manager::finish): Rename as
5533         layout_deferred_objects.  Move cleanup to separate function.
5534         (Plugin_manager::cleanup): New function.
5535         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5536         separately.
5537         * plugin.h (Plugin_manager::finish): Rename as
5538         layout_deferred_objects.
5539         (Plugin_manager::cleanup): New function.
5540         (Plugin_manager::cleanup_done): New field.
5542 2008-12-23  Cary Coutant  <ccoutant@google.com>
5544         * plugin.cc (is_visible_from_outside): New function.
5545         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5546         so we don't return "IR only" status for exported symbols or -r links.
5548         * testsuite/Makefile.am (plugin_test_3): New test case.
5549         * testsuite/Makefile.in: Regenerate.
5550         * testsuite/plugin_test_3.sh: New file.
5552 2008-12-22  Cary Coutant  <ccoutant@google.com>
5554         * object.cc (Sized_relobj::layout_section): New function.
5555         (Sized_relobj::do_layout): Defer layout of input sections until after
5556         plugin has provided replacement files.
5557         (Sized_relobj::do_layout_deferred_sections): New function.
5558         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5559         (Relobj::layout_deferred_sections): New function.
5560         (Relobj::do_layout_deferred_sections): New function.
5561         (Sized_relobj::do_layout_deferred_sections): New function.
5562         (Sized_relobj::layout_section): New function.
5563         (Sized_relobj::Deferred_layout): New structure.
5564         (Sized_relobj::deferred_layout_): New field.
5565         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5566         Change all callers.  Layout deferred sections.
5567         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5568         references.
5569         (Plugin_hook::run): Move code from do_plugin_hook inline.
5570         (Plugin_hook::do_plugin_hook): Remove.
5571         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5572         (Plugin_manager::finish): Renamed, was cleanup.
5573         (Plugin_manager::should_defer_layout): New function.
5574         (Plugin_manager::add_deferred_layout_object): New function.
5575         (Plugin_manager::Deferred_layout_list): New type.
5576         (Plugin_manager::deferred_layout_objects_): New field.
5577         (Plugin_hook::do_plugin_hook): Remove.
5579 2008-12-17  Ian Lance Taylor  <iant@google.com>
5581         * options.h (class General_options): Add --no case for
5582         --export-dynamic.
5584 2008-12-16  Cary Coutant  <ccoutant@google.com>
5586         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5587         vector.
5588         (Plugin_manager::claim_file): Create plugin object even if
5589         plugin did not call the add_symbols callback.
5590         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5591         asking for more symbols than were added.
5592         * testsuite/Makefile.am (plugin_test_1): Add test case with
5593         no global symbols.
5594         (empty.syms): New target.
5595         * testsuite/Makefile.in: Regenerate.
5596         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5597         message. Don't call add_symbols if no globals.
5598         (all_symbols_read_hook): Don't provide replacement for empty
5599         claimed file.
5601 2008-12-12  Ian Lance Taylor  <iant@google.com>
5603         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5604         r_type == 0 for a local symbol with r_sym == 0.
5605         (scan_relocatable_relocs): Pass r_sym to
5606         local_non_section_strategy.
5607         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5608         r_sym parameter.
5610         * configure.ac: Update test for TLS descriptors: they are
5611         supported as of glibc 2.9.
5612         * configure: Rebuild.
5614 2008-12-11  Ian Lance Taylor  <iant@google.com>
5616         PR 7091
5617         * target-reloc.h (Default_scan_relocatable_relocs): For each
5618         function, map r_type == 0 to RELOC_DISCARD.
5620 2008-12-10  Cary Coutant  <ccoutant@google.com>
5622         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5623         object to override a kept COMDAT group from a plugin object.
5625 2008-12-09  Ian Lance Taylor  <iant@google.com>
5627         PR 7088
5628         * yyscript.y (file_cmd): Handle INPUT.
5630         * testsuite/initpri1.c: Change all declarations to be full
5631         prototypes by adding void, to avoid compiler warnings.
5633 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5635         * options.cc (General_options::parse_plugin_opt): New.
5636         (General_options::add_plugin): The argument now is just the filename.
5637         (General_options::add_plugin_option): New.
5638         * options.h (plugin_opt): New.
5639         (add_plugin): Change argument name.
5640         (add_plugin_option): New.
5641         * plugin.cc (Plugin::load): Don't parse the plugin option.
5642         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5643         (Plugin::add_option): New.
5644         (Plugin::args_): Change type.
5645         (Plugin::filename_): New.
5646         (Plugin_manager::add_plugin_option): New.
5647         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5648         * testsuite/Makefile.in: Regenerate.
5650 2008-12-05  Cary Coutant  <ccoutant@google.com>
5652         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5653         Handle --strip-lto-sections option.
5654         * options.h (strip_lto_sections): New option.
5656 2008-12-01  Cary Coutant  <ccoutant@google.com>
5658         * plugin.cc (ld_plugin_message): Change format parameter to const.
5659         Fix mismatch between new[] and delete.
5661 2008-11-14  Cary Coutant  <ccoutant@google.com>
5663         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5664         instead of -1U.
5666 2008-11-05  Craig Silverstein  <csilvers@google.com>
5668         * options.cc (General_options::parse_dynamic_list): New function.
5669         * options.h (General_options): New flags dynamic_list,
5670         dynamic_list_data, dynamic_list_cpp_new, and
5671         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5672         (General_options::in_dynamic_list): New function.
5673         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5674         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5675         (Lex::can_continue_name): Likewise.
5676         (yylex): Likewise.
5677         (read_script_file): New parameter script_options.
5678         (read_dynamic_list): New function.
5679         (Script_options::define_dynamic_list): New function.
5680         (dynamic_list_keyword_parsecodes): New variable.
5681         (dynamic_list_keywords): New variable.
5682         * script.h (Script_options::define_dynamic_list): New function
5683         prototype.
5684         (read_dynamic_list): New function prototype.
5685         * symtab.cc (strprefix): New macro.
5686         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5687         dynamic_list_data, dynamic_list_cpp_new, and
5688         dynamic_list_cpp_typeinfo.
5689         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5690         (dynamic_list_expr): New rule.
5691         (dynamic_list_nodes): Likewise.
5692         (dynamic_list_node): Likewise.
5693         * testsuite/Makefile.am (dynamic_list): New test.
5694         * testsuite/Makefile.in: Regenerated.
5695         * testsuite/dynamic_list.t: New file.
5696         * testsuite/dynamic_list.sh: New file.
5698 2008-11-05  Craig Silverstein  <csilvers@google.com>
5700         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5701         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5702         (t11_last): Likewise.
5703         * testsuite/ver_test_6.c (main): Likewise.
5705 2008-10-07  Cary Coutant  <ccoutant@google.com>
5707         * options.c (General_options::finalize): Add check for -static and
5708         -shared.
5709         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5710         is not empty.
5712 2008-10-02  Cary Coutant  <ccoutant@google.com>
5714         * plugin.cc (make_sized_plugin_object): Fix conditional
5715         compilation to work when not all targets are enabled.
5717 2008-09-29  Cary Coutant  <ccoutant@google.com>
5719         * archive.cc (Archive::get_file_and_offset): Use filename instead
5720         of name to get library path.
5721         (Archive::include_member): Unlock external member of a thin archive.
5723         * testsuite/Makefile.am (TEST_AR): New variable.
5724         (thin_archive_test_1): New test.
5725         (thin_archive_test_2): New test.
5726         * testsuite/Makefile.in: Regenerate.
5727         * testsuite/thin_archive_main.cc: New file.
5728         * testsuite/thin_archive_test_1.cc: New file.
5729         * testsuite/thin_archive_test_2.cc: New file.
5730         * testsuite/thin_archive_test_3.cc: New file.
5731         * testsuite/thin_archive_test_4.cc: New file.
5733 2008-09-29  Cary Coutant  <ccoutant@google.com>
5735         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5736         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5737         instead of -1U.
5738         (Sized_relobj::do_finalize_local_symbols): Likewise.
5739         (Sized_relobj::map_to_kept_section): Likewise.
5740         * object.h (Sized_relobj::invalid_address): New constant.
5741         (Sized_relobj::do_output_section_offset): Check for invalid_address
5742         and return -1ULL.
5743         * output.cc (Output_reloc::local_section_offset): Use constant
5744         invalid_address instead of -1U.
5745         (Output_reloc::get_address): Likewise.
5746         (Output_section::output_address): Change -1U to -1ULL.
5747         * output.h (Output_reloc::invalid_address): New constant.
5748         * reloc.cc (Sized_relobj::write_sections): Use constant
5749         invalid_address instead of -1U.
5750         (Sized_relobj::relocate_sections): Likewise.
5751         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5752         values for merge sections.
5753         * target-reloc.h (relocate_for_relocatable): Use constant
5754         invalid_address instead of -1U.
5756 2008-09-19  Cary Coutant  <ccoutant@google.com>
5758         Add plugin functionality for link-time optimization (LTO).
5759         * configure.ac (plugins): Add --enable-plugins option.
5760         * configure: Regenerate.
5761         * config.in: Regenerate.
5762         * Makefile.am (LIBDL): New variable.
5763         (CCFILES): Add plugin.cc.
5764         (HFILES): Add plugin.h.
5765         (ldadd_var): Add LIBDL.
5766         * Makefile.in: Regenerate.
5768         * archive.cc: Include "plugin.h".
5769         (Archive::setup): Don't preread archive symbols when using a plugin.
5770         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5771         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5772         files.
5773         (Archive::include_member): Add symbols from plugin objects.
5774         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5775         * descriptors.cc (Descriptors::open): Check for file descriptors
5776         abandoned by plugins.
5777         (Descriptors::claim_for_plugin): New function.
5778         * descriptors.h (Descriptors::claim_for_plugin): New function.
5779         (Open_descriptor::is_claimed): New field.
5780         (claim_descriptor_for_plugin): New function.
5781         * fileread.cc (File_read::claim_for_plugin): New function.
5782         * fileread.h (File_read::claim_for_plugin): New function.
5783         (File_read::descriptor): New function.
5784         * gold.cc: Include "plugin.h".
5785         (queue_initial_tasks): Add task to call plugin hooks for generating
5786         new object files.
5787         * main.cc: Include "plugin.h".
5788         (main): Load plugin libraries.
5789         * object.h (Pluginobj): Declare.
5790         (Object::pluginobj): New function.
5791         (Object::do_pluginobj): New function.
5792         (Object::set_target): New function.
5793         * options.cc: Include "plugin.h".
5794         (General_options::parse_plugin): New function.
5795         (General_options::General_options): Initialize plugins_ field.
5796         (General_options::add_plugin): New function.
5797         * options.h (Plugin_manager): Declare.
5798         (General_options): Add --plugin option.
5799         (General_options::has_plugins): New function.
5800         (General_options::plugins): New function.
5801         (General_options::add_plugin): New function.
5802         (General_options::plugins_): New field.
5803         * plugin.cc: New file.
5804         * plugin.h: New file.
5805         * readsyms.cc: Include "plugin.h".
5806         (Read_symbols::do_read_symbols): Check for archive before checking
5807         for ELF file.  Call plugin hooks to claim files.
5808         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5809         from a real object file; force override when processing replacement
5810         files.
5811         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5812         (Symbol::init_base_object): Likewise.
5813         (Symbol::init_base_output_data): Likewise.
5814         (Symbol::init_base_output_segment): Likewise.
5815         (Symbol::init_base_constant): Likewise.
5816         (Symbol::init_base_undefined): Likewise.
5817         (Symbol::output_section): Assert that object is not a plugin.
5818         (Symbol_table::add_from_pluginobj): New function.
5819         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5820         undefined.
5821         (Symbol_table::sized_write_globals): Likewise.
5822         (Symbol_table::add_from_pluginobj): Instantiate template.
5823         * symtab.h (Sized_pluginobj): Declare.
5824         (Symbol::in_real_elf): New function.
5825         (Symbol::set_in_real_elf): New function.
5826         (Symbol::in_real_elf_): New field.
5827         (Symbol_table::add_from_pluginobj): New function.
5829         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5830         (LIBDL): New variable.
5831         (LDADD): Add LIBDL.
5832         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5833         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5834         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5835         (MOSTLYCLEANFILES): Likewise.
5836         * testsuite/Makefile.in: Regenerate.
5837         * testsuite/plugin_test.c: New file.
5838         * testsuite/plugin_test_1.sh: New file.
5839         * testsuite/plugin_test_2.sh: New file.
5841 2008-09-16  Ian Lance Taylor  <iant@google.com>
5843         * target-reloc.h (relocate_section): Check whether a symbol is
5844         defined by the ABI before reporting an undefined symbol error.
5845         * target.h (Target::is_defined_by_abi): Make parameter const.
5846         (Target::do_is_defined_by_abi): Likewise.
5847         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5848         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5849         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5850         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5851         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5852         * testsuite/Makefile.in: Rebuild.
5854         * fileread.cc (make_view): Add casts to avoid warning.
5856 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5858         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5859         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5861 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5863         * options.h (General_options::output_is_executable): New.
5864         (General_options::output_is_pie): New.
5865         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5866         for shared libraries.
5867         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5869 2008-09-11  Chris Demetriou  <cgd@google.com>
5871         * options.h (origin): New -z option.
5872         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5873         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5874         in DT_FLAGS_1.
5876 2008-09-05  Cary Coutant  <ccoutant@google.com>
5878         * fileread.cc (File_read::make_view): Add check for attempt to map
5879         beyond end of file.
5881 2008-09-05  Cary Coutant  <ccoutant@google.com>
5883         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5884         explicit instantiations.
5886 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5888         PR gold/6858
5889         * options.cc (General_options::finalize): Allow undefined symbols
5890         in shlibs if linking -shared.
5892         PR gold/6859
5893         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5894         symbols as not needing a dynsym entry.
5896 2008-08-20  Craig Silverstein  <csilvers@google.com>
5898         * fileread.cc (File_read::open): Do not lock the file unless it
5899         was successfully opened.
5901 2008-08-14  Cary Coutant  <ccoutant@google.com>
5903         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5904         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5905         * testsuite/tls_test.cc (struct int128): 128-bit struct
5906         for testing TLS relocs with non-zero addend.
5907         (v12): New TLS variable.
5908         (t12): New test.
5909         (t_last): Add check for v12.
5910         * testsuite/tls_test.h (t12): New function.
5911         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5913 2008-08-13  Ian Lance Taylor  <iant@google.com>
5915         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5916         set tls_segment_ or relro_segment_.
5917         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5918         when appropriate.
5919         * output.h (Output_section::clear_is_relro): New function.
5920         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5921         sections specially even when output_data_ is empty.
5922         (Output_segment::maximum_alignment): When first section is relro,
5923         only force alignment for PT_LOAD segments.
5924         * script.cc (script_data_segment_align): New function.
5925         (script_data_segment_relro_end): New function.
5926         * script-c.h (script_data_segment_align): Declare.
5927         (script_data_segment_relro_end): Declare.
5928         * script-sections.h (class Script_sections): Declare
5929         data_segment_align and data_segment_relro_end.  Add fields
5930         segment_align_index_ and saw_relro_end_.
5931         * script-sections.cc (class Sections_element): Add set_is_relro
5932         virtual function.  Add new bool* parameter to place_orphan_here.
5933         Add get_output_section virtual function.
5934         (class Output_section_definition): Add set_is_relro.  Add new
5935         bool* parameter to place_orphan_here.  Add get_output_section.
5936         Add is_relro_ field.
5937         (Output_section_definition::Output_section_definition): Initialize
5938         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5939         and is_relro_ fields.
5940         (Output_section_definition::place_orphan_here): Add is_relro
5941         parameter.
5942         (Output_section_definition::set_section_addresses): Set relro for
5943         output section.
5944         (Output_section_definition::alternate_constraint): Likewise.
5945         (class Orphan_output_section): Add new bool* parameter to
5946         place_orphan_here.  Add get_output_section.
5947         (Orphan_output_section::place_orphan_here): Add is_relro
5948         parameter.
5949         (Script_sections::Script_sections): Initialize
5950         data_segment_align_index_ and saw_relro_end_.
5951         (Script_sections::data_segment_align): New function.
5952         (Script_sections::data_segment_relro_end): New function.
5953         (Script_sections::place_orphan): Set or clear is_relro.
5954         (Script_sections::set_section_addresses): Force alignment of first
5955         TLS section.
5956         * yyscript.y (exp): Call script_data_segment_align and
5957         script_data_segment_relro_end.
5958         * testsuite/relro_script_test.t: New file.
5959         * testsuite/relro_test.cc (using_script): Declare.
5960         (t1, t2): Test using_script.
5961         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5962         (relro_script_test_SOURCES): Define.
5963         (relro_script_test_DEPENDENCIES): Define.
5964         (relro_script_test_LDFLAGS): Define.
5965         (relro_script_test_LDADD): Define.
5966         (relro_script_test.so): New target.
5967         * testsuite/Makefile.in: Rebuild.
5969 2008-08-06  Cary Coutant <ccoutant@google.com>
5971         * archive.cc (Archive::total_archives, Archive::total_members)
5972         (Archive::total_members_loaded): New variables.
5973         (Archive::setup): Add parameter.  Add option to preread
5974         archive symbols.
5975         (Archive::read_armap): Add counter.
5976         (Archive::get_file_and_offset): New function.
5977         (Archive::get_elf_object_for_member): New function.
5978         (Archive::read_all_symbols): New function.
5979         (Archive::read_symbols): New function.
5980         (Archive::add_symbols): Add counters.
5981         (Archive::include_all_members): Use armap to find members if it's
5982         already built.
5983         (Archive::include_member): Skip reading symbols if already read.
5984         Factored code into Archive::get_file_and_offset and
5985         Archive::get_elf_object_for_member.  Changed call to
5986         Mapfile::report_include_archive_member.
5987         (Archive::print_stats): New function.
5988         * archive.h: Declare Object and Read_symbols_data classes.
5989         (Archive::Archive): Add initializers for new members.
5990         (Archive::setup): Add parameter.
5991         (Archive::print_stats): New function.
5992         (Archive::total_archives, Archive::total_members)
5993         (Archive::total_members_loaded): New variables.
5994         (Archive::get_file_and_offset): New function.
5995         (Archive::get_elf_object_for_member): New function.
5996         (Archive::read_all_symbols): New function.
5997         (Archive::read_symbols): New function.
5998         (Archive::Archive_member): New class.
5999         (Archive::members_): New member.
6000         (Archive::num_members_): New member.
6001         * main.cc: Include archive.h.
6002         (main): Call Archive::print_stats.
6003         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6004         archive parameter; member_name is now the fully-decorated name.
6005         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6006         * options.h: (General_options): Add --preread-archive-symbols option.
6007         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6008         Archive::setup.
6010 2008-08-04  Ian Lance Taylor  <iant@google.com>
6012         * symtab.h (Symbol::use_plt_offset): New function.
6013         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6014         * powerpc.cc (Relocate::relocate): Likewise.
6015         * sparc.cc (Relocate::relocate): Likewise.
6016         * x86_64.cc (Relocate::relocate): Likewise.
6017         * testsuite/weak_plt.sh: New test.
6018         * testsuite/weak_plt_main.cc: New test.
6019         * testsuite/weak_plt_shared.cc: New test.
6020         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6021         (check_PROGRAMS): Add weak_plt.
6022         (check_DATA): Add weak_plt_shared.so.
6023         (weak_plt_main_pic.o, weak_plt): New targets.
6024         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6025         * testsuite/Makefile.in: Rebuild.
6027         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6028         gcctestdir/ld.
6029         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6030         * testsuite/Makefile.in: Rebuild.
6032 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6034         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6035         * Makefile.in: Regenerate.
6036         * po/POTFILES.in: Regenerate.
6038 2008-07-29  Ian Lance Taylor  <iant@google.com>
6040         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6041         symbols before other symbols.
6042         * testsuite/script_test_2.cc (test_addr): Declare.
6043         (test_addr_alias): Declare.
6044         (main): Check that test_addr and test_addr_alias have the right
6045         values.
6046         * testsuite/script_test_2.t: Define test_addr_alias and
6047         test_addr.
6049 2008-07-24  Ian Lance Taylor  <iant@google.com>
6051         PR 5990
6052         * descriptors.cc: New file.
6053         * descriptors.h: New file.
6054         * gold-threads.h (class Hold_optional_lock): New class.
6055         * fileread.cc: Include "descriptors.h".
6056         (File_read::~File_read): Release descriptor rather than closing
6057         it.
6058         (File_read::open) [file]: Call open_descriptor rather than open.
6059         Set is_descriptor_opened_.
6060         (File_read::open) [memory]: Assert that descriptor is not open.
6061         (File_read::reopen_descriptor): New function.
6062         (File_read::release): Release descriptor.
6063         (File_read::do_read): Make non-const.  Reopen descriptor.
6064         (File_read::read): Make non-const.
6065         (File_read::make_view): Reopen descriptor.
6066         (File_read::do_readv): Likewise.
6067         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6068         Update declarations.
6069         * layout.cc: Include "descriptors.h".
6070         (Layout::create_build_id): Use open_descriptor rather than open.
6071         * output.cc: Include "descriptors.h".
6072         (Output_file::open): Use open_descriptor rather than open.
6073         * archive.cc (Archive::const_iterator): Change Archive to be
6074         non-const.
6075         (Archive::begin, Archive::end): Make non-const.
6076         (Archive::count_members): Likewise.
6077         * archive.h (class Archive): Update declarations.
6078         * object.h (Object::read): Make non-const.
6079         * Makefile.am (CCFILES): Add descriptors.cc.
6080         (HFILES): Add descriptors.h.
6081         * Makefile.in: Rebuild.
6083         PR 6716
6084         * gold.h: Always include <clocale>.  Add Solaris workarounds
6085         following code in binutils/sysdep.h.
6087         PR 6048
6088         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6089         this->eh_frame_hdr_ is NULL before using it.
6091         * dynobj.cc (Versions::Versions): Update comment.
6093         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6094         the base version name.
6096         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6097         array size plus one.
6098         (Stringpool_template::set_string_offsets): Subtract one from key
6099         before using it as an array index.
6100         (Stringpool_template::get_offset_with_length): Likewise.
6101         (Stringpool_template::write_to_buffer): Likewise.
6102         * stringpool.h (Stringpool_template::get_offset_from_key):
6103         Likewise.
6105 2008-07-23  Ian Lance Taylor  <iant@google.com>
6107         PR 6658
6108         * object.h (Merged_symbol_value::value): Do our best to handle a
6109         negative addend.
6111         PR 6647
6112         * script.cc (Version_script_info::get_versions): Don't add empty
6113         version tag to return value.
6114         (Version_script_info::get_symbol_version_helper): Change return
6115         type to bool.  Add pversion parameter.  Change all callers.
6116         (script_register_vers_node): Don't require a non-NULL tag.
6117         * script.h (class Version_script_info): Update declarations.
6118         (Version_script_info::get_symbol_version): Change return type to
6119         bool.  Add version parameter.  Change all callers.
6120         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6121         handling.  Handle an empty version from a version script.
6122         (Symbol_table::define_special_symbol): Likewise.
6123         * testsuite/ver_test_10.script: New file.
6124         * testsuite/ver_test_10.sh: New file.
6125         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6126         (check_DATA): Add ver_test_10.syms.
6127         (ver_test_10.syms, ver_test_10.so): New target.
6128         * testsuite/Makefile.in: Rebuild.
6130 2008-07-23  Simon Baldwin  <simonb@google.com>
6132         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6133         to zero for undefined symbols from dynamic libraries.
6135 2008-07-23  Ian Lance Taylor  <iant@google.com>
6137         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6138         Change all callers.
6139         * symtab.h (class Symbol_table): Update declaration.
6140         * testsuite/ver_test_9.cc: New file.
6141         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6142         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6143         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6144         (ver_test_9.so, ver_test_9.o): New targets.
6145         * testsuite/Makefile.in: Rebuild.
6147 2008-07-22  Ian Lance Taylor  <iant@google.com>
6149         * options.h (class General_options): Define --check-sections.
6150         * layout.cc (Layout::set_segment_offsets): Handle
6151         --check-sections.
6153         * options.h (class General_options): Define -n/--nmagic and
6154         -N/--omagic.
6155         * options.cc (General_options::finalize): For -n/--nmagic or
6156         -N/--omagic, set -static.
6157         * layout.cc (Layout::attach_allocated_section_to_segment): If
6158         -N/--omagic, don't put read-only and read-write sections in
6159         different segments.
6160         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6161         finding a read-only segment.
6162         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6163         don't set the minimum segment alignment to the common page size,
6164         and don't set the file offset to the address modulo the page size.
6165         * script-sections.cc (Script_sections::create_segments): If
6166         -n/--omagic, don't put read-only and read-write sections in
6167         different segments.
6169         * cref.cc: New file.
6170         * cref.h: New file.
6171         * options.h (class General_options): Add --print-symbol-counts.
6172         * main.cc (main): Issue defined symbol report if requested.
6173         * archive.cc (Archive::interpret_header): Make into a const member
6174         function.
6175         (Archive::add_symbols): Call Input_objects::archive_start and
6176         archive_stop.
6177         (Archive::const_iterator): Define new class.
6178         (Archive::begin, Archive::end): New functions.
6179         (Archive::include_all_members): Rewrite to use iterator.
6180         (Archive::count_members): New function.
6181         * archive.h (class Archive): Update declarations.
6182         (Archive::filename): New function.
6183         * object.cc: Include "cref.h".
6184         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6185         (Sized_relobj::do_get_global_symbol_counts): New function.
6186         (Input_objects::add_object): Add object to cross-referencer.
6187         (Input_objects::archive_start): New function.
6188         (Input_objects::archive_stop): New function.
6189         (Input_objects::print_symbol_counts): New function.
6190         * object.h: Declare Cref and Archive.
6191         (Object::get_global_symbol_counts): New function.
6192         (Object::do_get_global_symbol_counts): New pure virtual function.
6193         (class Sized_relobj): Add defined_count_ field.  Update
6194         declarations.
6195         (class Input_objects): Add cref_ field.  Update constructor.
6196         Update declarations.
6197         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6198         defined_count_.
6199         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6200         symbol counts.
6201         (Sized_dynobj::do_get_global_symbol_counts): New function.
6202         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6203         defined_count_.  Update declarations.  Define Symbols typedef.
6204         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6205         parameter.  Change all callers.
6206         (Symbol_table::add_from_dynobj): Add sympointers and defined
6207         parameters.  Change all callers.
6208         * symtab.h (class Symbol_table): Update declarations.
6209         * Makefile.am (CCFILES): Add cref.cc.
6210         (HFILES): Add cref.h.
6211         * Makefile.in: Rebuild.
6213 2008-07-22  Simon Baldwin  <simonb@google.com>
6215         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6216         to zero when writing undefined symbols.
6218 2008-07-22  Ian Lance Taylor  <iant@google.com>
6220         * output.cc (Output_section::add_input_section): Don't try to
6221         merge empty merge sections.
6223 2008-07-21  Craig Silverstein  <csilvers@google.com>
6225         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6226         Include symbol version in error message.
6228 2008-07-20  Chris Demetriou  <cgd@google.com>
6230         * configure.ac (gold_cv_c_random_seed): New configured variable.
6231         (RANDOM_SEED_CFLAGS): New substituted variable.
6232         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6233         * configure: Rebuild.
6234         * Makefile.in: Likewise.
6235         * testsuite/Makefile.in: Likewise.
6237 2008-07-18  Ian Lance Taylor  <iant@google.com>
6239         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6240         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6241         * testsuite/ver_test_main.cc (main): Call t4.
6242         (t4, t4_2a): Define.
6243         * testsuite/ver_test_2.cc (t4_2): Define.
6244         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6245         * testsuite/ver_test_4.cc (t4_2a): Define.
6246         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6247         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6249 2008-07-17  Ian Lance Taylor  <iant@google.com>
6251         * dynobj.cc (Versions::add_def): If we give an error about a
6252         missing version, go ahead and create the version anyhow.
6254 2008-07-10  Ian Lance Taylor  <iant@google.com>
6256         Handle output sections with more than 0x7fffffff bytes.
6257         * object.h (class Relobj): Change map_to_output_ to
6258         output_sections_, and just keep a section pointer.  Change all
6259         uses.  Move comdat group support to Sized_relobj.
6260         (Relobj::is_section_specially_mapped): Remove.
6261         (Relobj::output_section): Remove poff parameter.  Change all
6262         callers.
6263         (Relobj::output_section_offset): New function.
6264         (Relobj::set_section_offset): Rewrite.
6265         (Relobj::map_to_output): Remove.
6266         (Relobj::output_sections): New function.
6267         (Relobj::do_output_section_offset): New pure virtual function.
6268         (Relobj::do_set_section_offset): Likewise.
6269         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6270         group support from Relobj.  Update declarations.
6271         (Sized_relobj::get_output_section_offset): New function.
6272         (Sized_relobj::do_output_section_offset): New function.
6273         (Sized_relobj::do_set_section_offset): New function.
6274         * object.cc (Relobj::output_section_address): Remove.
6275         (Sized_relobj::Sized_relobj): Initialize new fields.
6276         (Sized_relobj::include_section_group): Cast find_kept_object to
6277         Sized_relobj.
6278         (Sized_relobj::include_linkonce_section): Likewise.
6279         (Sized_relobj::do_layout): Use separate arrays for output section
6280         and output offset.
6281         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6282         output_sections.
6283         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6284         output_sections and section_offsets.
6285         (Sized_relobj::write_local_symbols): Likewise.
6286         (map_to_kept_section): Compute output address directly.
6287         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6288         output_sections and section_offsets.
6289         (Sized_relobj::write_sections): Likewise.
6290         (Sized_relobj::relocate_sections): Likewise.
6291         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6292         * output.h (class Output_reloc): Update declarations.  Change
6293         u2_.relobj to Sized_relobj*.
6294         (class Output_data_reloc): Change add functions to use
6295         Sized_relobj*.
6296         * output.cc (Output_reloc::Output_reloc): Change relobj to
6297         Sized_relobj*.
6298         (Output_reloc::local_section_offset): Change return type to
6299         Elf_Addr.  Use get_output_section_offset.
6300         (Output_reloc::get_address): Likewise.
6301         (Output_section::is_input_address_mapped): Don't call
6302         is_section_specially_mapped.
6303         (Output_section::output_offset): Likewise.
6304         (Output_section::output_address): Likewise.
6305         (Output_section::starting_output_address): Likewise.
6306         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6307         parameter to Sized_relobj*.
6308         (Copy_relocs::need_copy_reloc): Likewise.
6309         (Copy_relocs::save): Likewise.
6310         * copy-relocs.h (class Copy_relocs): Update declarations.
6311         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6312         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6313         * target-reloc.h (relocate_for_relocatable): Change
6314         offset_in_output_section type to Elf_Addr.  Change code that uses
6315         it as well.
6316         * layout.cc (Layout::layout): Always set *off.
6317         * mapfile.cc (Mapfile::print_input_section): Use
6318         output_section_offset.
6319         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6320         Sized_relobj*.
6321         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6322         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6323         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6325 2008-07-03  Ian Lance Taylor  <iant@google.com>
6327         * layout.cc (Layout::include_section): Do not discard unrecognized
6328         SHT_STRTAB sections.
6330 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6332         * script.cc (Lex::can_continue_name): Make '?' allowable in
6333         version-script names.
6334         * testsuite/version_script.map: Change glob pattern to use '?'
6336 2008-06-30  Manish Singh  <yosh@gimp.org>
6338         PR 6585
6339         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6340         Correct typo.
6342 2008-06-30  Ian Lance Taylor  <iant@google.com>
6344         PR 6660
6345         PR 6682
6346         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6347         versions]: Don't try to read the value in the contents, since we
6348         don't use it.  Use the template endianness when writing.
6350 2008-06-25  Cary Coutant  <ccoutant@google.com>
6352         * fileread.cc (File_read::make_view): Assert on zero-length view.
6353         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6354         symbol table when there are no symbols to read.
6356 2008-06-23  Craig Silverstein  <csilvers@google.com>
6358         * version.cc (version_string): Bump to 1.7
6360 2008-06-18  Craig Silverstein  <csilvers@google.com>
6362         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6363         constant 0xFFFF to type Valtype.
6364         (Powerpc_relocate_functions::rel16_ha): Likewise.
6366 2008-06-17  Ian Lance Taylor  <iant@google.com>
6368         * output.h (Output_section::Input_section): Initialize p2align_ to
6369         zero for Output_section_data constructors.
6370         (Output_section::Input_section::addralign): If not an input
6371         section, return the alignment of the Output_section_data.
6372         * testsuite/copy_test.cc: New file.
6373         * testsuite/copy_test_1.cc: New file.
6374         * testsuite/copy_test_2.cc: New file.
6375         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6376         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6377         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6378         (copy_test_1_pic.o, copy_test_1.so): New targets.
6379         (copy_test_2_pic.o, copy_test_2.so): New targets.
6380         * testsuite/Makefile.in: Rebuild.
6382         * script-sections.cc (Script_sections::place_orphan): Initialize
6383         local variable exact.
6385 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6387         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6389 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6390             David S. Miller  <davem@davemloft.net>
6392         * powerpc.cc: New file.
6393         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6394         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6395         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6396         * Makefile.in: Rebuild.
6398 2008-06-09  Ian Lance Taylor  <iant@google.com>
6400         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6401         <exception>.
6402         (throwing, orig_terminate): New static variables.
6403         (terminate_handler): New static function.
6404         (t2): Set terminate handler.
6406 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6408         PR 6584
6409         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6410         alignment.
6412 2008-05-30  Cary Coutant  <ccoutant@google.com>
6414         * archive.cc (Archive::include_all_members) Correct to step
6415         over symbol table and extended name table in thin archives.
6417 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6419         PR 6407
6420         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6421         calculation.
6423 2008-05-28  Caleb Howe  <cshowe@google.com>
6425         * reduced_debug_output.cc: New file.
6426         * reduced_debug_output.h: New file.
6427         * options.h (class General_options): Add --strip-debug-non-line.
6428         * options.cc (General_options::finalize): Add strip_debug_non_line
6429         to the strip heirarchy.
6430         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6431         fields.
6432         * layout.cc: Include "reduced_debug_output.h".
6433         (Layout::Layout): Initialize new fields.
6434         (line_only_debug_sections): New static array.
6435         (is_lines_only_debug_sections): New static inline function.
6436         (Layout::include_section): Handle --strip-debug-non-line.
6437         (Layout::make_output_section): If --strip-debug-non-line, build
6438         new output sections for .debug_abbrev and .debug_info.
6439         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6440         gold.  Warn about possible overflow.
6441         (read_signed_LEB_128): Likewise.
6442         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6443         (read_signed_LEB_128): Declare.
6444         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6445         (HFILES): Add reduced_debug_output.h.
6446         * Makefile.in: Rebuild.
6448 2008-05-21  Ian Lance Taylor  <iant@google.com>
6450         * mapfile.cc: New file.
6451         * mapfile.h: New file.
6452         * options.h (class General_options): Add -M/--print-map and -Map.
6453         * options.cc (General_options::finalize): Make -M equivalent to
6454         -Map -.
6455         * main.cc: Include <cstdio> and "mapfile.h".
6456         (main): Open mapfile if requested.
6457         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6458         constructor.  Change caller.
6459         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6460         (queue_middle_tasks): Likewise.
6461         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6462         declarations.
6463         * archive.cc: Include "mapfile.h".
6464         (Archive::add_symbols): Add mapfile parameter.  Change all
6465         callers.  Pass mapfile, symbol, and reason to include_member.
6466         (Archive::include_all_members): Add mapfile parameter.  Change all
6467         callers.
6468         (Archive::include_member): Add mapfile, sym, and why parameters.
6469         Change all callers.  Report inclusion to map file.
6470         * archive.h: Include "fileread.h".
6471         (class Archive): Update declarations.
6472         (Archive::file): New const method.
6473         (class Add_archive_symbols): Add mapfile_ field.  Update
6474         constructor.  Change all callers.
6475         * readsyms.h (class Read_symbols): Likewise.
6476         (class Finish_group): Likewise.
6477         (class Read_script): Likewise.
6478         * common.cc: Include "mapfile.h".
6479         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6480         all callers.
6481         (Symbol_table::do_allocate_commons): Likewise.
6482         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6483         symbol allocation to mapfile.
6484         * common.h (class Allocate_commons_task): Add mapfile_ field.
6485         Update constructor.  Change all callers.
6486         * symtab.h (class Symbol_table): Update declarations.
6487         * layout.cc: Include "mapfile.h".
6488         (Layout_task_runner::run): Print information to mapfile.
6489         (Layout::create_gold_note): Change Output_data_fixed_space to
6490         Output_data_zero_fill.
6491         (Layout::create_build_id): Likewise.
6492         (Layout::print_to_mapfile): New function.
6493         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6494         constructor.  Change caller.
6495         (class Layout): Declare print_to_mapfile.
6496         * output.cc (Output_section::Input_section::print_to_mapfile): New
6497         function.
6498         (Output_section::add_input_section): If producing a map, always
6499         add to input_sections_ list.
6500         (Output_section::do_print_to_mapfile): New function.
6501         (Output_segment::print_sections_to_mapfile): New function.
6502         (Output_segment::print_section_list_to_mapfile): New function.
6503         * output.h: Include "mapfile.h".
6504         (Output_data::print_to_mapfile): New function.
6505         (Output_data::do_print_to_mapfile): New virtual function.
6506         (Output_segment_headers::do_print_to_mapfile): New function.
6507         (Output_file_header::do_print_to_mapfile): New function.
6508         (Output_data_const::do_print_to_mapfile): New function.
6509         (class Output_data_const_buffer): Add map_name_ field.  Update
6510         constructor.  Change all callers.  Add do_print_to_mapfile
6511         function.
6512         (class Output_data_fixed_space): Likewise.
6513         (class Output_data_space): Likewise.
6514         (class Output_data_zero_fill): New class.
6515         (Output_data_strtab::do_print_to_mapfile): New function.
6516         (Output_data_reloc_base::do_print_to_mapfile): New function.
6517         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6518         (Output_data_group::do_print_to_mapfile): New function.
6519         (Output_data_got::do_print_to_mapfile): New function.
6520         (Output_data_dynamic::do_print_to_mapfile): New function.
6521         (Output_symtab_xindex::do_print_to_mapfile): New function.
6522         (class Output_section): Declare do_print_to_mapflie.  Declare
6523         print_to_mapfile in Input_section.
6524         (class Output_segment): Declare new functions.
6525         * object.h (Sized_relobj::symbol_count): New function.
6526         * script-sections.cc
6527         (Output_section_element_dot_assignment::set_section_addresses):
6528         Change Output_data_fixed_space to Output_data_zero_fill.
6529         (Output_data_expression::do_print_to_mapfile): New function.
6530         * script.cc (read_input_script): Add mapfile parameter.  Change
6531         all callers.
6532         * script.h (read_input_script): Update declaration.
6533         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6534         (Eh_frame::do_print_to_mapfile): New function.
6535         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6536         (Output_merge_string::do_print_to_mapfile): New function.
6537         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6538         function.
6539         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6540         function.
6541         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6542         function.
6543         * Makefile.am (CCFILES): Add mapfile.cc.
6544         (HFILES): Add mapfile.h.
6545         * Makefile.in: Rebuild.
6547 2008-05-19  Ian Lance Taylor  <iant@google.com>
6549         * options.h (class General_options): Add -z relro.
6550         * layout.cc (Layout::Layout): Initialize relro_segment_.
6551         (Layout::add_output_section_data): Return the output section.
6552         (Layout::make_output_section): Rcognize relro sections and mark
6553         them appropriately.
6554         (Layout::attach_allocated_section_to_segment): Put relro sections
6555         in a PT_GNU_RELRO segment.
6556         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6557         section as relro.
6558         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6559         PT_TLS segments.
6560         (Layout::linkonce_mapping): Map d.rel.ro.local to
6561         .data.rel.ro.local.
6562         (Layout::output_section_name): Us .data.rel.ro.local for any
6563         section which begins with that.
6564         * layout.h (class Layout): Update add_output_section_data
6565         declaration.  Add relro_segment_ field.
6566         * output.cc (Output_section::Output_section): Initialize is_relro_
6567         and is_relro_local_ fields.
6568         (Output_segment::add_output_section): Group relro sections.
6569         (Output_segment::is_first_section_relro): New function.
6570         (Output_segment::maximum_alignment): If there is a relro section,
6571         align the segment to the common page size.
6572         (Output_segment::set_section_addresses): Track whether we are
6573         looking at relro sections.  If the last section is a relro
6574         section, align to the common page size.
6575         (Output_segment::set_section_list_addresses): Add in_relro
6576         parameter.  Change all callers.  Align to the page size when
6577         moving from relro to non-relro section.
6578         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6579         segment.
6580         * output.h (class Output_section): Add is_relro_ and
6581         is_relro_local_ fields.
6582         (Output_section::is_relro): New function.
6583         (Output_section::set_is_relro): New function.
6584         (Output_section::is_relro_local): New function.
6585         (Output_section::set_is_relro_local): New function.
6586         (class Output_segment): Update declarations.
6587         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6588         * sparc.cc (Target_sparc::got_section): Likewise.
6589         * x86_64.cc (Target_x86_64::got_section): Likewise.
6590         * testsuite/relro_test_main.cc: New file.
6591         * testsuite/relro_test.cc: New file.
6592         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6593         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6594         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6595         (relro_test.so, relro_test_pic.o): New targets.
6596         * testsuite/Makefile.in: Rebuild.
6598 2008-05-16  Ian Lance Taylor  <iant@google.com>
6600         * output.cc (Output_segment::add_output_section): Remove front
6601         parameter.
6602         * output.h (class Output_segment): Remove
6603         add_initial_output_section and overloaded add_output_section.
6604         Update declaration of remaining add_output_section.
6605         * layout.cc (Layout::create_interp): Call add_output_section
6606         rather than add_initial_output_section.
6607         (Layout::finish_dynamic_section): Likewise.
6609         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6610         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6611         know the dynamic type.
6612         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6613         field.  Initialize it in constructor.
6614         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6615         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6616         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6617         reloc.
6619         * output.cc (Output_reloc::get_address): Change return type to
6620         Elf_Addr.
6621         * output.h (class Output_reloc): Update get_address declaration.
6622         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6623         for section addresses.
6625 2008-05-09  Ian Lance Taylor  <iant@google.com>
6627         PR 6493
6628         * gold.cc (gold_nomem): Use return value of write.
6630 2008-05-08  Ian Lance Taylor  <iant@google.com>
6632         * symtab.c (Symbol::init_base_output_data): Add version
6633         parameter.  Change all callers.
6634         (Symbol::init_base_output_segment): Likewise.
6635         (Symbol::init_base_constant): Likewise.
6636         (Symbol::init_base_undefined): Likewise.
6637         (Sized_symbol::init_output_data): Likewise.
6638         (Sized_symbol::init_output_segment): Likewise.
6639         (Sized_symbol::init_constant): Likewise.
6640         (Sized_symbol::init_undefined): Likewise.
6641         (Symbol_table::do_define_in_output_data): If the new symbol has a
6642         version, mark it as the default.
6643         (Symbol_table::do_define_in_output_segment): Likewise.
6644         (Symbol_table::do_define_as_constant): Likewise.
6645         * symtab.h (class Symbol): Update declarations.
6646         (class Sized_symbol): Likewise.
6647         * resolve.cc (Symbol::override_version): New function.
6648         (Symbol::override_base): Call override_version.
6649         (Symbol::override_base_with_special): Likewise.
6650         * testsuite/ver_script_8.script: New file.
6651         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6652         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6653         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6654         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6656 2008-05-06  Ian Lance Taylor  <iant@google.com>
6658         PR 6049
6659         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6660         functions.
6661         (class General_options): Remove existing --undefined, and add
6662         --no-undefined instead.  Add new --undefined as synonym for -u.
6663         * archive.cc (Archive::add_symbols): Check whether symbol was
6664         named with -u.
6665         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6666         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6667         all uses.  Add IS_UNDEFINED.  Update declarations to split
6668         different versions of init_base.  Declare init_base_undefined.
6669         (Symbol::is_defined): Handle IS_UNDEFINED.
6670         (Symbol::is_undefined): Likewise.
6671         (Symbol::is_weak_undefined): Call is_undefined.
6672         (Symbol::is_absolute): Handle IS_CONSTANT.
6673         (class Sized_symbol): Update declarations to split different
6674         versions of init.  Declare init_undefined.
6675         (class Symbol_table): Declare new functions.
6676         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6677         Change all callers.
6678         (Symbol::init_base_output_data): Likewise.
6679         (Symbol::init_base_output_segment): Likewise.
6680         (Symbol::init_base_constant): Likewise.
6681         (Symbol::init_base_undefined): New function.
6682         (Sized_symbol::init_object): Rename from init.  Change all
6683         callers.
6684         (Sized_symbol::init_output_data): Likewise.
6685         (Sized_symbol::init_output_segment): Likewise.
6686         (Sized_symbol::init_constant): Likewise.
6687         (Sized_symbol::init_undefined): New function.
6688         (Symbol_table::add_undefined_symbols_from_command_line): New
6689         function.
6690         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6691         function.
6692         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6693         (Symbol::output_section): Likewise.
6694         (Symbol::set_output_section): Likewise.
6695         (Symbol_table::sized_finalize_symbol): Likewise.
6696         (Symbol_table::sized_write_globals): Likewise.
6697         * resolve.cc (Symbol_table::should_override): Likewise.
6698         (Symbol::override_base_with_special): Likewise.
6700         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6701         symbol, change it to have default visibility.
6702         * testsuite/protected_1.cc: New file.
6703         * testsuite/protected_2.cc: New file.
6704         * testsuite/protected_3.cc: New file.
6705         * testsuite/protected_main_1.cc: New file.
6706         * testsuite/protected_main_2.cc: New file.
6707         * testsuite/protected_main_3.cc: New file.
6708         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6709         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6710         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6711         (protected_1.so): New target.
6712         (protected_1_pic.o, protected_2_pic.o): New targets.
6713         (protected_3_pic.o): New target.
6714         (check_PROGRAMS): Add protected_2.
6715         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6716         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6717         * testsuite/Makefile.in: Rebuild.
6719         * options.h (DEFINE_var): Add set_user_set_##varname__.
6720         (DEFINE_bool_alias): New macro.
6721         (class General_options): Define -Bstatic using DEFINE_bool_alias
6722         rather than DEFINE_special.  Add --undefined as an alias for -z
6723         defs.
6724         * options.cc (General_options::parse_Bstatic): Remove.
6726         * options.h (class General_options): Add --fatal-warnings.
6727         * main.cc (main): Implement --fatal-warnings.
6728         * errors.h (Errors::warning_count): New function.
6730         * options.h (class General_options): Add -Bsymbolic-functions.
6731         * symtab.h (Symbol::is_preemptible): Check for
6732         -Bsymbolic-functions.
6734 2008-05-05  Ian Lance Taylor  <iant@google.com>
6736         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6737         as noVARNAME rather than no-VARNAME.
6738         (class General_options): Add option -z combreloc.
6739         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6740         get_address.
6741         (Output_reloc::sort_before) [SHT_REL]: New function.
6742         (Output_reloc::sort_before) [SHT_RELA]: New function.
6743         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6744         Sort_relocs_comparison.
6745         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6746         parameter.  Change all callers.
6747         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6748         sort_relocs parameter.  Change all callers.
6749         * output.cc (Output_reloc::get_address): New function, broken out
6750         of write_rel.
6751         (Output_reloc::write_rel): Call it.
6752         (Output_reloc::compare): New function.
6753         (Output_data_reloc_base::do_write): Optionally sort relocs.
6755         * configure.ac: If targ_extra_obj is set, link it in.
6756         * configure.tgt: Initialize all variables.
6757         (x86_64*): Set targ_extra_obj and targ_extra_size.
6758         * configure: Rebuild.
6760         * object.cc (Sized_relobj::include_section_group): Adjust section
6761         indexes read from group data.  Build vector to pass to
6762         layout_group.
6763         * layout.cc (Layout::layout_group): Add flags and shndxes
6764         parameters.  Remove contents parameter.  Change caller.  Update
6765         explicit instantiations.
6766         * layout.h (class Layout): Update layout_group declaration.
6767         * output.cc (Output_data_group::Output_data_group): Add flags and
6768         input_shndxes parameters.  Remove contents parameter.  Change
6769         caller.
6770         (Output_data_group::do_write): Change input_sections_ to
6771         input_shndxes_.
6772         * output.h (class Output_data_group): Update constructor
6773         declaration.  Rename input_sections_ to input_shndxes_.
6774         * testsuite/many_sections_test.cc: Add template.
6776 2008-04-30  Cary Coutant  <ccoutant@google.com>
6778         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6780         * layout.cc (Layout::include_section): Refactored check for debug
6781         info section.
6782         (Layout::add_comdat): Add new parameters.  Change type
6783         of signature parameter.  Add object and shndx to signatures table.
6784         (Layout::find_kept_object): New function.
6785         * layout.h: Include <cstring>.
6786         (Layout::is_debug_info_section): New function.
6787         (Layout::add_comdat): Add new parameters.
6788         (Layout::find_kept_object): New function.
6789         (Layout::Kept_section): New struct.
6790         (Layout::Signatures): Change type of map range.
6791         * object.cc (Relobj::output_section_address): New function.
6792         (Sized_relobj::include_section_group): Add new parameters.  Change
6793         calls to Layout::add_comdat.  Change to build table of kept comdat
6794         groups and table mapping discarded sections to kept sections.
6795         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6796         (Sized_relobj::do_layout): Change calls to include_section_group and
6797         include_linkonce_section.
6798         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6799         value to zero when section is discarded.
6800         (Sized_relobj::map_to_kept_section): New function.
6801         * object.h (Relobj::output_section_address): New function.
6802         (Relobj::Comdat_group): New type.
6803         (Relobj::find_comdat_group): New function.
6804         (Relobj::Comdat_group_table): New type.
6805         (Relobj::Kept_comdat_section): New type.
6806         (Relobj::Kept_comdat_section_table): New type.
6807         (Relobj::add_comdat_group): New function.
6808         (Relobj::set_kept_comdat_section): New function.
6809         (Relobj::get_kept_comdat_section): New function.
6810         (Relobj::comdat_groups_): New field.
6811         (Relobj::kept_comdat_sections_): New field.
6812         (Symbol_value::input_value): Update comment.
6813         (Sized_relobj::map_to_kept_section) New function.
6814         (Sized_relobj::include_linkonce_section): Add new parameter.
6815         * target-reloc.h (Comdat_behavior): New type.
6816         (get_comdat_behavior): New function.
6817         (relocate_section): Add code to map a discarded section to the
6818         corresponding kept section when applying a relocation.
6820 2008-04-30  Craig Silverstein  <csilvers@google.com>
6822         * dwarf_reader.cc (next_generation_count): New static var.
6823         (Addr2line_cache_entry): New struct.
6824         (addr2line_cache): New static var.
6825         (Dwarf_line_info::one_addr2line): Added caching.
6826         (Dwarf_line_info::clear_addr2line_cache): New function.
6827         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6828         cache-size parameter.
6829         (Dwarf_line_info::one_addr2line_cache): New function.
6830         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6831         new cache-size argument to one_addr2line(), and clear cache.
6833 2008-04-28  Cary Coutant  <ccoutant@google.com>
6835         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6836         R_386_PC8 relocations.
6838 2008-04-23  Ian Lance Taylor  <iant@google.com>
6840         * object.cc (Sized_relobj::include_section_group): Check for
6841         invalid section group.
6843         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6844         header size.
6846         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6847         than read for file header.
6848         * archive.cc (Archive::include_member): Likewise.
6850 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6852         * aclocal.m4: Regenerate.
6853         * configure: Regenerate.
6855 2008-04-19  Ian Lance Taylor  <iant@google.com>
6857         * version.cc (version_string): Bump to 1.6.
6859         * testsuite/Makefile.am (many_sections_r_test): New target.
6860         (many_sections_r_test_SOURCES): Remove.
6861         (many_sections_r_test_DEPENDENCIES): Remove.
6862         (many_sections_r_test_LDFLAGS): Remove.
6863         (many_sections_r_test_LDADD): Remove.
6865         * object.cc (Sized_relobj::do_add_symbols): Always pass
6866         local_symbol_count_ to add_from_relobj.
6868         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6869         every thousand variables.
6870         * testsuite/Makefile.in: Rebuild.
6872         * object.cc (Xindex::initialize_symtab_xindex): New function.
6873         (Xindex::read_symtab_xindex): New function.
6874         (Xindex::sym_xindex_to_shndx): New function.
6875         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6876         available.
6877         (Sized_relobj::do_initialize_xindex): New function.
6878         (Sized_relobj::do_read_symbols): Adjust section links.
6879         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6880         parameter.  Change all callers.
6881         (Sized_relobj::include_section_group): Adjust section links and
6882         symbol section indexes.
6883         (Sized_relobj::do_layout): Adjust section links.
6884         (Sized_relobj::do_count_local_symbols): Adjust section links and
6885         symbol section indexes.
6886         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6887         ordinary and special symbols.
6888         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6889         dynsym_xindex parameters.  Change all callers.  Adjust section
6890         links.  Use SHN_XINDEX when needed.
6891         (Sized_relobj::get_symbol_location_info): Adjust section links.
6892         Don't get fooled by special symbols.
6893         * object.h (class Xindex): Define.
6894         (class Object): Add xindex_ parameter.  Declare virtual functoin
6895         do_initialize_xindex.
6896         (Object::adjust_sym_shndx): New function.
6897         (Object::set_xindex): New protected function.
6898         (class Symbol_value): Add is_ordinary_shndx_ field.
6899         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6900         (Symbol_value::value): Assert ordinary section.
6901         (Symbol_value::initialize_input_to_output_map): Likewise.
6902         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6903         Change all callers.
6904         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6905         all callers.
6906         (class Sized_relobj): Update declarations.
6907         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6908         parameter.  Change all callers.
6909         (Sized_relobj::adjust_shndx): New function.
6910         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6911         field.
6912         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6913         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6914         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6915         (Sized_dynobj::read_dynsym_section): Adjust section links.
6916         (Sized_dynobj::read_dynamic): Likewise.
6917         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6918         section links.
6919         (Sized_dynobj::do_initialize_xindex): New function.
6920         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6921         do_initialize_xindex.
6922         (Sized_dynobj::adjust_shndx): New function.
6923         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6924         dynsym_xindex_ fields.
6925         (Layout::finalize): Add a call to set_section_indexes before
6926         creating the symtab sections.
6927         (Layout::set_section_indexes): Don't do anything if the section
6928         already has a section index.
6929         (Layout::create_symtab_sections): Add shnum parameter.  Change
6930         caller.  Create .symtab_shndx section if needed.
6931         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6932         caller.
6933         (Layout::allocated_output_section_count): New function.
6934         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6935         needed.
6936         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6937         fields.  Update declarations.
6938         (Layout::symtab_xindex): New function.
6939         (Layout::dynsym_xindex): New function.
6940         (class Write_symbols_task): Add layout_ field.
6941         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6942         Change caller.
6943         * output.cc (Output_section_headers::Output_section_headers): Add
6944         shstrtab_section parameter.  Change all callers.
6945         (Output_section_headers::do_sized_write): Store overflow values
6946         for section count and section string table section index in
6947         section header zero.
6948         (Output_file_header::do_sized_write): Check for overflow of
6949         section count and section string table section index.
6950         (Output_symtab_xindex::do_write): New function.
6951         (Output_symtab_xindex::endian_do_write): New function.
6952         * output.h (class Output_section_headers): Add shstrtab_section_.
6953         Update declarations.
6954         (class Output_symtab_xindex): Define.
6955         (Output_section::has_out_shndx): New function.
6956         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6957         field.
6958         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6959         Change all callers.
6960         (Sized_symbol::init): Likewise.
6961         (Symbol::output_section): Check for ordinary symbol.
6962         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6963         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6964         callers.
6965         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6966         Change all callers.  Simplify handling of symbols from sections
6967         not included in the link.
6968         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6969         distinction.
6970         (Weak_alias_sorter::operator()): Assert that symbols are
6971         ordinary.
6972         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6973         distinction.
6974         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6975         parameters.  Change all callers.
6976         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6977         symbol distinction.  Use SHN_XINDEX when needed.
6978         (Symbol_table::write_section_symbol): Add symtab_xindex
6979         parameter.  Change all callers.
6980         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6981         SHN_XINDEX when needed.
6982         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6983         declarations.
6984         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6985         (Symbol::is_defined): Check is_ordinary.
6986         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6987         (Symbol::is_absolute, Symbol::is_common): Likewise.
6988         (class Sized_symbol): Update declarations.
6989         (class Symbol_table): Update declarations.
6990         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6991         parameters.  Change all callers.
6992         (Sized_symbol::override): Likewise.
6993         (Symbol_table::override): Likewise.
6994         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6995         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
6996         is_ordinary, and orig_st_shndx parameters.  Change all callers.
6997         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6998         to be in an ordinary section.
6999         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7000         object and is_ordinary parameters.  Change all callers.
7001         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7002         Change all callers.  Don't add undefined or non-ordinary symbols
7003         to reloc_map_.
7004         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7005         Change all callers.
7006         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7007         declarations.
7008         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7009         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7010         (Sized_relobj::relocate_sections): Likewise.
7011         * target-reloc.h (scan_relocs): Adjust section symbol index.
7012         (scan_relocatable_relocs): Likewise.
7013         * i386.cc (Scan::local): Check for ordinary symbols.
7014         * sparc.cc (Scan::local): Likewise.
7015         * x86_64.cc (Scan::local): Likewise.
7016         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7017         to symbol_section_and_value.
7018         * testsuite/many_sections_test.cc: New file.
7019         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7020         (check_PROGRAMS): Add many_sections_test.
7021         (many_sections_test_SOURCES): Define.
7022         (many_sections_test_DEPENDENCIES): Define.
7023         (many_sections_test_LDFLAGS): Define.
7024         (BUILT_SOURCES): Add many_sections_define.h.
7025         (many_sections_define.h): New target.
7026         (BUILT_SOURCES): Add many_sections_check.h.
7027         (many_sections_check.h): New target.
7028         (check_PROGRAMS): Add many_sections_r_test.
7029         (many_sections_r_test_SOURCES): Define.
7030         (many_sections_r_test_DEPENDENCIES): Define.
7031         (many_sections_r_test_LDFLAGS): Define.
7032         (many_sections_r_test_LDADD): Define.
7033         (many_sections_r_test.o): New target.
7034         * testsuite/Makefile.in: Rebuild.
7036 2008-04-17  Cary Coutant  <ccoutant@google.com>
7038         * errors.cc (Errors::info): New function.
7039         (gold_info): New function.
7040         * errors.h (Errors::info): New function.
7041         * gold.h (gold_info): New function.
7042         * object.cc (Input_objects::add_object): Print trace output.
7043         * options.cc (options::parse_set): New function.
7044         (General_options::parse_wrap): Deleted.
7045         (General_options::General_options): Deleted initializer.
7046         * options.h (options::String_set): New typedef.
7047         (options::parse_set): New function.
7048         (DEFINE_set): New macro.
7049         (General_options::wrap): Changed to use DEFINE_set. Changed
7050         callers of any_wrap_symbols and is_wrap_symbol.
7051         (General_options::trace, General_options::trace_symbol):
7052         New options.
7053         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7054         (General_options::wrap_symbols_): Deleted.
7055         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7057 2008-04-17  David S. Miller  <davem@davemloft.net>
7059         * options.cc (General_options::parse_V): New function.
7060         * options.h: Add entries for -V and -Qy.
7062 2008-04-17  Ian Lance Taylor  <iant@google.com>
7064         * common.cc (Symbol_table::allocate_commons): Remove options
7065         parameter.  Change caller.
7066         (Symbol_table::do_allocate_commons): Remove options parameter.
7067         Change caller.  Just call do_allocate_commons_list twice.
7068         (Symbol_table::do_allocate_commons_list): New function, broken out
7069         of do_allocate_commons.
7070         * common.h (class Allocate_commons_task): Remove options_ field.
7071         Update constructor.
7072         * symtab.cc (Symbol_table::Symbol_table): Initialize
7073         tls_commons_.
7074         (Symbol_table::add_from_object): Put TLS common symbols on
7075         tls_commons_ list.
7076         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7077         which are IN_OUTPUT_DATA.
7078         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7079         allocate_commons and do_allocate_commons declarations.  Declare
7080         do_allocate_commons_list.
7081         * gold.cc (queue_middle_tasks): Update creation of
7082         Allocate_commons_task to not pass options.
7083         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7084         (TLS_TEST_C_FLAGS): New variable.
7085         (tls_test_c_pic.o): New target.
7086         (tls_test_shared.so): Link in tls_test_c_pic.o.
7087         (tls_test_c_pic_ie.o): New target.
7088         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7089         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7090         (tls_test_c.o): New target.
7091         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7092         (tls_pic_test_LDADD): Likewise.
7093         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7094         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7095         (tls_test_c_gnu2.o): New target.
7096         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7097         tls_test_c_gnu2.o.
7098         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7099         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7100         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7101         * testsuite/tls_test.cc: Include "config.h".
7102         (t_last): Call t11_last.
7103         * testsuite/tls_test.h (t11, t11_last): Declare.
7104         * testsuite/tls_test_c.c: New file.
7105         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7106         * configure.ac: Check for OpenMP support.
7107         * configure, config.in, Makefile.in: Rebuild.
7108         * testsuite/Makefile.in: Rebuild.
7110 2008-04-16  Cary Coutant  <ccoutant@google.com>
7112         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7113         (Target_i386::tls_base_symbol_defined_): New field.
7114         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7115         (Target_i386::Scan::global): Likewise.
7116         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7117         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7118         (Target_x86_64::tls_base_symbol_defined_): New field.
7119         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7120         (Target_x86_64::Scan::global): Likewise.
7122 2008-04-16  Cary Coutant  <ccoutant@google.com>
7124         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7125         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7126         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7127         building shared libraries.
7128         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7129         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7130         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7131         * testsuite/Makefile.in: Rebuild.
7132         * testsuite/weak_undef.h: New file.
7133         * testsuite/weak_undef_file1.cc: Add extra test cases.
7134         * testsuite/weak_undef_file2.cc: Likewise.
7135         * testsuite/weak_undef_test.cc: Likewise.
7137 2008-04-16  David S. Miller  <davem@davemloft.net>
7139         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7140         Add issued_non_pic_error_ field.  Declare check_non_pic.
7141         (Target_sparc::Scan::check_non_pic): New function.
7142         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7143         (Target_sparc::Scan::global): Likewise.
7145         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7146         * configure: Rebuild.
7148         * options.h (DEFINE_enable): New macro.
7149         (new_dtags): New enable option.
7150         (initfirst, interpose, loadfltr, nodefaultlib,
7151         nodelete, nodlopen, nodump): New -z options.
7152         * layout.cc (Layout:finish_dynamic_section): If new
7153         dtags enabled, emit DT_RUNPATH.  Also, emit a
7154         DT_FLAGS_1 containing any specified -z flags.
7156 2008-04-16  Ian Lance Taylor  <iant@google.com>
7158         * copy-relocs.cc: New file.
7159         * copy-relocs.h: New file.
7160         * reloc.cc: Remove Copy_relocs code.
7161         * reloc.h: Likewise.
7162         * reloc-types.h (struct Reloc_types) [both versions]: Add
7163         get_reloc_addend_noerror.
7164         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7165         variants of add_global which take an addend which must be zero.
7166         * i386.cc: Include "copy-relocs.h".
7167         (class Target_i386): Change type of copy_relocs_ to variable,
7168         update initializer.
7169         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7170         Change all callers.
7171         (Target_i386::do_finalize_sections): Change handling of
7172         copy_relocs_.
7173         * sparc.cc: Include "copy-relocs.h".
7174         (class Target_sparc): Change type of copy_relocs_ to variable,
7175         update initializer.
7176         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7177         Change all callers.
7178         (Target_sparc::do_finalize_sections): Change handling of
7179         copy_relocs_.
7180         * x86_64.cc: Include "copy-relocs.h".
7181         (class Target_x86_64): Change type of copy_relocs_ to variable,
7182         update initializer.
7183         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7184         class.  Change all callers.
7185         (Target_x86_64::do_finalize_sections): Change handling of
7186         copy_relocs_.
7187         * Makefile.am (CCFILES): Add copy-relocs.cc.
7188         (HFILES): Add copy-relocs.h.
7190         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7192         * testsuite/script_test_4.sh: Permit leading zeroes.
7194 2008-04-15  Ian Lance Taylor  <iant@google.com>
7196         * script-sections.cc (Script_sections::create_segments): Use
7197         header_size_adjustment even when there is enough room for the
7198         headers.
7199         * testsuite/script_test_4.sh: New file.
7200         * testsuite/script_test_4.t: New file.
7201         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7202         (check_DATA): Add script_test_4.stdout.
7203         (MOSTLYCLEANFILES): Likewise.
7204         (script_test_4): New target.
7205         (script_test_4.stdout): New target.
7206         * testsuite/Makefile.in: Rebuild.
7208         * sparc.cc: Add definitions for Output_data_plt_sparc class
7209         constants.
7211 2008-04-14  David S. Miller  <davem@davemloft.net>
7213         * sparc.cc: New file.
7214         * Makefile.am (TARGETSOURCES): Add sparc.cc
7215         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7216         * configure.tgt: Document targ_extra_size and
7217         targ_extra_big_endian.  Add entries for sparc-* and
7218         sparc64-*.
7219         * configure.ac: Handle targ_extra_size and
7220         targ_extra_big_endian.
7221         * Makefile.in: Rebuild.
7222         * configure: Likewise.
7223         * po/POTFILES.in: Likewise.
7224         * po/gold.pot: Likewise.
7226 2008-04-14  Ian Lance Taylor  <iant@google.com>
7228         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7229         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7230         in the name/type/flags to section mapping.  Don't call
7231         allocate_output_section.
7232         (Layout::choose_output_section): Change parameter from adjust_name
7233         to is_input_section.  Don't permit input sections after sections
7234         are attached to segments.  Don't call allocate_output_section.
7235         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7236         not write_enable_output_section.
7237         (Layout::make_output_section): Don't push to
7238         unattached_section_list_ nor call attach_to_segment.  Call
7239         attach_section_to_segment if sections are attached.
7240         (Layout::attach_sections_to_segments): New function.
7241         (Layout::attach_section_to_segment): New function.
7242         (Layout::attach_allocated_section_to_segment): Rename from
7243         attach_to_segment.  Remove flags parameter.
7244         (Layout::allocate_output_section): Remove function.
7245         (Layout::write_enable_output_section): Remove function.
7246         * layout.h (class Layout): Update for above changes.  Add new
7247         field sections_are_attached_.
7248         * output.h (Output_section::update_flags_for_input_section): New
7249         function.
7250         * output.cc (Output_section::add_input_section): Call
7251         update_flags_for_input_section.
7252         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7254 2008-04-11  Cary Coutant  <ccoutant@google.com>
7256         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7257         thought unnecessary.
7258         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7260 2008-04-11  Ian Lance Taylor  <iant@google.com>
7262         * output.h (class Output_section_data): Remove inline definition
7263         of set_addralign.
7264         * output.cc (Output_section_data::set_addralign): New function.
7266 2008-04-11  Cary Coutant  <ccoutant@google.com>
7268         Add support for TLS descriptors for i386 and x86_64.
7269         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7270         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7271         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7272         GOT_TYPE_TLS_DESC.
7273         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7274         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7275         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7276         relocations.
7277         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7278         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7279         Fix problem with initial-exec relocations.
7280         (Target_i386::Relocate::relocate_tls): Likewise.
7281         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7282         relaxation.
7283         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7284         support for section-plus-offset dynamic table entries.
7285         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7286         (Output_data_dynamic::Dynamic_entry): Add support for
7287         section-plus-offset dynamic table entries.
7288         (Output_data_dynamic::Classification): Likewise.
7289         (Output_data_dynamic::classification_): Renamed offset_.
7290         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7291         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7292         (Target_x86_64::make_plt_section): New function.
7293         (Target_x86_64::reserve_tlsdesc_entries): New function.
7294         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7295         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7296         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7297         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7298         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7299         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7300         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7301         add extra PLT entry for TLS descriptors.
7302         (Output_data_plt_x86_64::got_): New field.
7303         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7304         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7305         fields.
7306         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7307         descriptors.
7308         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7309         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7310         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7311         R_386_TLS_DESC_CALL relocations.
7312         (Target_x86_64::Scan::global): Likewise.
7313         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7314         for TLS descriptors.
7315         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7316         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7317         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7318         GD-to-IE relaxation.
7319         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7320         and TLS_DESCRIPTORS.
7321         * Makefile.in: Rebuild.
7322         * configure: Rebuild.
7323         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7324         (tls_test_shared2.so): New target.
7325         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7326         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7327         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7328         (tls_shared_gd_to_ie_test_LDADD): New variable.
7329         (tls_shared_gnu2_gd_to_ie_test): New target.
7330         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7331         New targets.
7332         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7333         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7334         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7335         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7336         (tls_shared_gnu2_test): New target.
7337         (tls_test_gnu2_shared.so): New target.
7338         (tls_shared_gnu2_test_SOURCES): New variable.
7339         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7340         (tls_shared_gnu2_test_LDFLAGS): New variable.
7341         (tls_shared_gnu2_test_LDADD): New variable.
7342         * testsuite/Makefile.in: Rebuild.
7343         * testsuite/Makefile.
7345 2008-04-11  Ian Lance Taylor  <iant@google.com>
7347         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7348         justsyms.t.
7349         * testsuite/Makefile.in: Rebuild.
7351         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7352         long.
7353         * testsuite/script_test_2.cc (main): Adjust test.
7355 2008-04-11  David S. Miller  <davem@davemloft.net>
7356             Ian Lance Taylor  <iant@google.com>
7358         * options.h (General_options): Add entries for '-Y' and
7359         '-relax'.
7360         * options.cc (General_options:finalize): If -Y was used, add those
7361         entries to the library path instead of the default "/lib" and
7362         "/usr/lib".
7364 2008-04-11  David S. Miller  <davem@davemloft.net>
7366         * testsuite/justsyms.t: Start at 0x100.
7367         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7368         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7369         long.
7370         * testsuite/script_test_2.cc: Adjust string and section length
7371         checks.
7373 2008-04-09  Ian Lance Taylor  <iant@google.com>
7375         PR gold/5996
7376         * script-sections.cc (Sections_element::allocate_to_segment): Add
7377         orphan parameter.
7378         (Output_section_definition::allocate_to_segment): Likewise.
7379         (Orphan_output_section::allocate_to_segment): Likewise.
7380         (Script_sections::attach_sections_using_phdrs_clause): Don't
7381         propagate non-PT_LOAD segments to orphan sections.
7382         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7383         readelf rather than objdump.
7384         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7385         .interp section and PT_INTERP segment are the same size.
7386         * testsuite/Makefile.in: Rebuild.
7388         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7389         aliases for symbols defined in the same object.
7390         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7391         (weak_alias_test_SOURCES): New variable.
7392         (weak_alias_test_DEPENDENCIES): New variable.
7393         (weak_alias_test_LDFLAGS): New variable.
7394         (weak_alias_test_LDADD): New variable.
7395         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7396         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7397         (weak_alias_test_3.o): New target.
7398         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7399         * testsuite/weak_alias_test_main.cc: New file.
7400         * testsuite/weak_alias_test_1.cc: New file.
7401         * testsuite/weak_alias_test_2.cc: New file.
7402         * testsuite/weak_alias_test_3.cc: New file.
7404 2008-04-08  Ian Lance Taylor  <iant@google.com>
7406         * options.h (class General_options): Add --noinhibit-exec option.
7407         * main.cc (main): Check --noinhibit-exec.
7409         * options.h (class General_options): Define --wrap as a special
7410         option.  Add wrap_symbols_ field.
7411         (General_options::any_wrap_symbols): New function.
7412         (General_options::is_wrap_symbol): New function.
7413         * options.cc (General_options::parse_wrap): New function.
7414         (General_options::General_options): Initialize wrap_symbols_.
7415         * symtab.cc (Symbol_table::wrap_symbol): New function.
7416         (Symbol_table::add_from_object): Handle --wrap.
7417         * symtab.h (class Symbol_table): Declare wrap_symbol.
7418         * target.h (Target::wrap_char): New function.
7419         (Target::Target_info): Add wrap_char field.
7420         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7421         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7422         * testsuite/testfile.cc (Target_test::test_target_info):
7423         Likewise.
7425         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7426         there is one.
7428         * layout.h (class Layout): Add added_eh_frame_data_ field.
7429         * layout.cc (Layout::Layout): Initialize new field.
7430         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7431         output section until we find a section we merged successfully.
7432         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7433         that the size be non-zero.
7435         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7436         qualifier.
7438 2008-04-08  Craig Silverstein  <csilvers@google.com>
7440         * configure.ac: Export new conditional variable HAVE_ZLIB.
7441         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7442         on HAVE_ZLIB.
7443         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7444         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7446 2008-04-07  Ian Lance Taylor  <iant@google.com>
7448         * version.cc (version_string): Set to "1.5".
7450         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7451         Add issued_non_pic_error_ field.  Declare check_non_pic.
7452         (Target_x86_64::Scan::check_non_pic): New function.
7453         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7454         (Target_x86_64::Scan::global): Likewise.
7456         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7457         addend parameter.  Change caller.  Handle merge sections.
7458         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7459         Address to Addend.  Don't add in the result of
7460         local_section_offset, pass down the addend and use the returned
7461         value.
7462         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7463         Update declarations of local_section_offset and symbol_value.
7464         * testsuite/two_file_test_1.cc (t18): New function.
7465         * testsuite/two_file_test_2.cc (f18): New function.
7466         * testsuite/two_file_test_main.cc (main): Call t18.
7467         * testsuite/two_file_test.h (t18, f18): Declare.
7469         * configure.ac: Don't test for objdump, c++filt, or readelf.
7470         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7471         conditionals.
7472         (TEST_READELF): New variable.
7473         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7474         (check_PROGRAMS): Add two_file_strip_test.
7475         (two_file_strip_test): New target.
7476         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7477         (two_file_same_shared_strip_test_SOURCES): New variable.
7478         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7479         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7480         (two_file_same_shared_strip_test_LDADD): New variable.
7481         (two_file_shared_strip.so): New target.
7482         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7483         (ver_test_5.syms, ver_test_7.syms): Likewise.
7484         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7485         (strip_test_3.stdout): Use TEST_OBJDUMP.
7486         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7488 2008-04-04  Cary Coutant  <ccoutant@google.com>
7490         * symtab.h (Symbol::is_weak_undefined): New function.
7491         (Symbol::is_strong_undefined): New function.
7492         (Symbol::is_absolute): New function.
7493         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7494         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7495         absolute symbols.
7496         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7497         (weak_undef_test): New target.
7498         * testsuite/Makefile.in: Rebuild.
7499         * testsuite/weak_undef_file1.cc: New file.
7500         * testsuite/weak_undef_file2.cc: New file.
7501         * testsuite/weak_undef_test.cc: New file.
7503 2008-04-03  Craig Silverstein  <csilvers@google.com>
7505         * compressed_output.h (class Output_compressed_section): Use
7506         unsigned buffer.
7507         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7508         add zlib header.
7509         (zlib_compressed_suffix): Removed.
7510         (Output_compressed_section::set_final_data_size): Use unsigned
7511         buffers.
7512         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7513         Fix linker invocation.
7514         (flagstest_o_specialfile_and_compress_debug_sections):
7515         Likewise.
7516         * testsuite/Makefile.in: Regenerated.
7518 2008-04-02  David S. Miller  <davem@davemloft.net>
7520         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7521         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7523 2008-04-02  Craig Silverstein  <csilvers@google.com>
7525         * TODO: New file.
7527 2008-04-02  Ian Lance Taylor  <iant@google.com>
7529         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7530         parameters.  Update for new key type to views_.  Change all
7531         callers.
7532         (File_read::read): Adjust for byteshift in returned view.
7533         (File_read::add_view): New function, broken out of
7534         find_and_make_view.
7535         (File_read::make_view): New function, broken out of
7536         find_and_make_view.
7537         (File_read::find_or_make_view): Add offset and aligned
7538         parameters.  Rewrite accordingly.  Change all callers.
7539         (File_read::get_view): Add offset and aligned parameters.  Adjust
7540         for byteshift in return value.
7541         (File_read::get_lasting_view): Likewise.
7542         * fileread.h (class File_read): Update declarations.
7543         (class File_read::View): Add byteshift_ field.  Add byteshift to
7544         constructor.  Add byteshift method.
7545         * archive.h (Archive::clear_uncached_views): New function.
7546         (Archive::get_view): Add aligned parameter.  Change all callers.
7547         * object.h (Object::get_view): Add aligned parameter.  Change all
7548         callers.
7549         (Object::get_lasting_view): Likewise.
7551         * fileread.cc (File_read::release): Don't call clear_views if
7552         there are multiple objects.
7553         * fileread.h (File_read::clear_uncached_views): New function.
7554         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7555         on the archive.
7557 2008-03-31  Cary Coutant  <ccoutant@google.com>
7559         Add thin archive support.
7560         * archive.cc (Archive::armagt): New const.
7561         (Archive::setup): Remove task parameter and calls to unlock.
7562         (Archive::unlock_nested_archives): New function.
7563         (Archive::read_header): Add nested_off parameter. Change
7564         all callers.
7565         (Archive::interpret_header): Likewise.
7566         (Archive::include_all_members): Change to handle thin
7567         archives.
7568         (Archive::include_member): Likewise.
7569         * archive.h (Archive::Archive): Add new parameters and
7570         initializers.
7571         (Archive::armagt): New const.
7572         (Archive::setup): Remove task parameter.
7573         (Archive::unlock_nested_archives): New function.
7574         (Archive::read_header): Add nested_off parameter.
7575         (Archive::interpret_header): Likewise.
7576         (Archive::Nested_archive_table): New typedef.
7577         (Archive::is_thin_archive_): New field.
7578         (Archive::nested_archives_): New field.
7579         (Archive::options_): New field.
7580         (Archive::dirpath_): New field.
7581         (Archive::task_): New field.
7582         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7583         for thin archives.  Pass additional parameters to
7584         Archive::Archive.  Unlock the archive file after calling
7585         Archive::setup.
7587 2008-03-29  Ian Lance Taylor  <iant@google.com>
7589         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7590         version symbol to be local.
7591         * testsuite/ver_test_4.sh: New file.
7592         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7593         (check_DATA): Add ver_test_4.syms.
7594         (ver_test_4.syms): New target.
7595         * testsuite/Makefile.in: Rebuild.
7597         * output.cc
7598         (Output_section::Input_section_sort_entry::has_priority): New
7599         function.
7600         (Output_section::Input_section_sort_entry::match_file_name): New
7601         function.
7602         (Output_section::Input_section_sort_entry::match_section_name):
7603         Remove.
7604         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7605         Remove.
7606         (Output_section::Input_section_sort_entry::match_section_file):
7607         Remove.
7608         (Output_section::Input_section_sort_compare::operator()): Rewrite
7609         using new Input_section_sort_entry functions.  Sort crtbegin and
7610         crtend first.  Sort sections with no priority before sections with
7611         a priority.
7612         * testsuite/initpri1.c (d3): Check j != 4.
7613         (cd5): New constructor/destructor function.
7614         (main): Check j != 2.
7616         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7617         new symbol when resolving, don't call set_is_default.
7618         * testsuite/ver_test_7.cc: New file.
7619         * testsuite/ver_test_7.sh: New file.
7620         * testsuite/Makefile.am (ver_test_7.so): New target.
7621         (ver_test_7.o): New target.
7622         (check_SCRIPTS): Add ver_test_7.sh.
7623         (check_DATA): Add ver_test_7.syms.
7624         (ver_test_7.syms): New target.
7626 2008-03-28  Ian Lance Taylor  <iant@google.com>
7628         * layout.cc (Layout::layout): If we see an input section with a
7629         name that needs sorting, set the must_sort flag for the output
7630         section.
7631         (Layout::make_output_section): If the name of the output section
7632         indicates that it might require sorting, set the may_sort flag.
7633         * output.h (Output_section::may_sort_attached_input_sections): New
7634         function.
7635         (Output_section::set_may_sort_attached_input_sections): New
7636         function.
7637         (Output_section::must_sort_attached_input_sections): New
7638         function.
7639         (Output_section::set_must_sort_attached_input_sections): New
7640         function.
7641         (class Output_section): Declare Input_section_sort_entry.  Define
7642         Input_section_sort_compare.  Declare
7643         sort_attached_input_sections.  Add new fields:
7644         may_sort_attached_input_sections_,
7645         must_sort_attached_input_sections_,
7646         attached_input_sections_are_sorted_.
7647         * output.cc (Output_section::Output_section): Initialize new
7648         fields.
7649         (Output_section::add_input_section): Add an entry to
7650         input_sections_ if may_sort or must_sort are true.
7651         (Output_section::set_final_data_size): Call
7652         sort_attached_input_sections if necessary.
7653         (Output_section::Input_section_sort_entry): Define new class.
7654         (Output_section::Input_section_sort_compare::operator()): New
7655         function.
7656         (Output_section::sort_attached_input_sections): New function.
7657         * configure.ac: Check whether the compiler supports constructor
7658         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7659         * testsuite/initpri1.c: New file.
7660         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7661         CONSTRUCTOR_PRIORITY.
7662         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7663         (initpri1_LDFLAGS): New variable.
7664         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7666 2008-03-27  Ian Lance Taylor  <iant@google.com>
7668         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7669         * testsuite/common_test_1.c: New file.
7670         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7671         (common_test_1_SOURCES): New variable.
7672         (common_test_1_DEPENDENCIES): New variable.
7673         (common_test_1_LDFLAGS): New variable.
7675         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7676         and commons_ correctly when NAME/VERSION does not override
7677         NAME/NULL.
7678         * testsuite/ver_test_6.c: New file.
7679         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7680         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7681         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7683 2008-03-26  Ian Lance Taylor  <iant@google.com>
7685         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7686         of an undefined symbol from a version script.
7687         * testsuite/Makefile.am (ver_test_5.so): New target.
7688         (ver_test_5.o): New target.
7689         (check_SCRIPTS): Add ver_test_5.sh.
7690         (check_DATA): Add ver_test_5.syms.
7691         (ver_test_5.syms): New target.
7692         * testsuite/ver_test_5.cc: New file.
7693         * testsuite/ver_test_5.script: New file.
7694         * testsuite/ver_test_5.sh: New file.
7695         * Makefile.in, testsuite/Makefile.in: Rebuild.
7697         PR gold/5986
7698         Fix problems building gold with gcc 4.3.0.
7699         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7700         (gold_error_at_location, gold_warning_at_location): Use it.
7701         * configure.ac: Check whether we can compile and use a template
7702         function with a printf attribute.
7703         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7704         when jumping over bytes.
7705         * object.cc: Instantiate Object::read_section_data.
7706         * debug.h: Include <cstring>
7707         * dwarf_reader.cc: Include <algorithm>
7708         * main.cc: Include <cstring>.
7709         * options.cc: Include <cstring>.
7710         * output.cc: Include <cstring>.
7711         * script.cc: Include <cstring>.
7712         * script.h: Include <string>.
7713         * symtab.cc: Include <cstring> and <algorithm>.
7714         * target-select.cc: Include <cstring>.
7715         * version.cc: Include <string>.
7716         * testsuite/testmain.cc: Include <cstdlib>.
7717         * configure, config.in: Rebuild.
7719 2008-03-25  Ian Lance Taylor  <iant@google.com>
7721         * options.cc: Include "../bfd/bfdver.h".
7722         (options::help): Print bug reporting address.
7724         * version.cc (print_version): Adjust output for current value of
7725         BFD_VERSION_STRING.
7727         * NEWS: New file.
7729         * options.cc (options::help): Print list of supported targets.
7730         * target-select.h: Include <vector>.
7731         (class Target_selector): Make machine_, size_, and is_big_endian_
7732         fields const.  Add bfd_name_ and instantiated_target_ fields.
7733         (Target_selector::Target_selector): Add bfd_name parameter.
7734         (Target_selector::recognize): Make non-virtual, call
7735         do_recognize.
7736         (Target_selector::recognize_by_name): Make non-virtual, call
7737         do_recognize_by_name.
7738         (Target_selector::supported_names): New function.
7739         (Target_selector::bfd_name): New function.
7740         (Target_selector::do_instantiate_target): New pure virtual
7741         function.
7742         (Target_selector::do_recognize): New virtual function.
7743         (Target_selector::do_recognize_by_name): New virtual function.
7744         (Target_selector::instantiate_target): New private function.
7745         (supported_target_names): Declare.
7746         * target-select.cc (Target_selector::Target_selector): Update for
7747         new parameter and fields.
7748         (select_target_by_name): Check that the name matches before
7749         calling recognize_by_name.
7750         (supported_target_names): New function.
7751         * i386.cc (class Target_selector_i386): Update Target_selector
7752         constructor call.  Remove recognize and recognize_by_name.  Add
7753         do_instantiate_target.
7754         * x86_64.cc (class Target_selector_x86_64): Likewise.
7755         * testsuite/testfile.cc (class Target_selector_test): Update for
7756         changes to Target_selector.
7758         * README: Rewrite, with some notes on unsupported features.
7760 2008-03-24  Cary Coutant  <ccoutant@google.com>
7762         * i386.cc (Target_i386::Got_type): New enum declaration.
7763         (Target_i386::Scan::local): Updated callers of Output_data_got
7764         member functions.
7765         (Target_i386::Scan::global): Likewise.
7766         (Target_i386::Relocate::relocate): Likewise.
7767         (Target_i386::Relocate::relocate_tls): Likewise.
7768         * object.h (Got_offset_list): New class.
7769         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7770         (Sized_relobj::local_got_offset): Likewise.
7771         (Sized_relobj::set_local_got_offset): Likewise.
7772         (Sized_relobj::local_has_tls_got_offset): Removed.
7773         (Sized_relobj::local_tls_got_offset): Removed.
7774         (Sized_relobj::set_local_tls_got_offset): Removed.
7775         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7776         * output.cc (Output_data_got::add_global): Added got_type parameter.
7777         (Output_data_got::add_global_with_rel): Likewise.
7778         (Output_data_got::add_global_with_rela): Likewise.
7779         (Output_data_got::add_global_pair_with_rel): New function.
7780         (Output_data_got::add_global_pair_with_rela): New function.
7781         (Output_data_got::add_local): Added got_type parameter.
7782         (Output_data_got::add_local_with_rel): Likewise.
7783         (Output_data_got::add_local_with_rela): Likewise.
7784         (Output_data_got::add_local_pair_with_rel): New function.
7785         (Output_data_got::add_local_pair_with_rela): New function.
7786         (Output_data_got::add_global_tls): Removed.
7787         (Output_data_got::add_global_tls_with_rel): Removed.
7788         (Output_data_got::add_global_tls_with_rela): Removed.
7789         (Output_data_got::add_local_tls): Removed.
7790         (Output_data_got::add_local_tls_with_rel): Removed.
7791         (Output_data_got::add_local_tls_with_rela): Removed.
7792         * output.h (Output_data_got::add_global): Added got_type parameter.
7793         (Output_data_got::add_global_with_rel): Likewise.
7794         (Output_data_got::add_global_with_rela): Likewise.
7795         (Output_data_got::add_global_pair_with_rel): New function.
7796         (Output_data_got::add_global_pair_with_rela): New function.
7797         (Output_data_got::add_local): Added got_type parameter.
7798         (Output_data_got::add_local_with_rel): Likewise.
7799         (Output_data_got::add_local_with_rela): Likewise.
7800         (Output_data_got::add_local_pair_with_rel): New function.
7801         (Output_data_got::add_local_pair_with_rela): New function.
7802         (Output_data_got::add_global_tls): Removed.
7803         (Output_data_got::add_global_tls_with_rel): Removed.
7804         (Output_data_got::add_global_tls_with_rela): Removed.
7805         (Output_data_got::add_local_tls): Removed.
7806         (Output_data_got::add_local_tls_with_rel): Removed.
7807         (Output_data_got::add_local_tls_with_rela): Removed.
7808         * resolve.cc (Symbol::override_base_with_special): Removed
7809         reference to has_got_offset_ field.
7810         * symtab.cc (Symbol::init_fields): Replaced initialization
7811         of got_offset_ with got_offsets_.  Removed initialization
7812         of has_got_offset_
7813         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7814         (Symbol::got_offset): Likewise.
7815         (Symbol::set_got_offset): Likewise.
7816         (Symbol::has_tls_got_offset): Removed.
7817         (Symbol::tls_got_offset): Removed.
7818         (Symbol::set_tls_got_offset): Removed.
7819         (Symbol::got_offset_): Removed.
7820         (Symbol::tls_mod_got_offset_): Removed.
7821         (Symbol::tls_pair_got_offset_): Removed.
7822         (Symbol::got_offsets_): New field.
7823         (Symbol::has_got_offset): Removed.
7824         (Symbol::has_tls_mod_got_offset): Removed.
7825         (Symbol::has_tls_pair_got_offset): Removed.
7826         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7827         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7828         member functions.
7829         (Target_x86_64::Scan::global): Likewise.
7830         (Target_x86_64::Relocate::relocate): Likewise.
7831         (Target_x86_64::Relocate::relocate_tls): Likewise.
7833 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7835         * yyscript.y: Fix spelling error in comment.
7837 2008-03-24  Ian Lance Taylor  <iant@google.com>
7839         * options.h (class General_options): Define build_id option.
7840         * layout.h (class Layout): Declare write_build_id, create_note,
7841         create_build_id.  Add build_id_note_ member.
7842         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7843         "libiberty.h", "md5.h", "sha1.h".
7844         (Layout::Layout): Initialize eh_frame_data_,
7845         eh_frame_hdr_section_, and build_id_note_.
7846         (Layout::finalize): Call create_build_id.
7847         (Layout::create_note): New function, broken out of
7848         Layout::create_gold_note.
7849         (Layout::create_gold_note): Call create_note.
7850         (Layout::create_build_id): New function.
7851         (Layout::write_build_id): New function.
7852         (Close_task_runner::run): Call write_build_id.
7854         * x86_64.cc: Correct license to GPLv3.
7856 2008-03-23  Ian Lance Taylor  <iant@google.com>
7858         * options.cc: Include "demangle.h".
7859         (parse_optional_string): New function.
7860         (parse_long_option): Handle takes_optional_argument.
7861         (parse_short_option): Update dash_z initializer.  Handle
7862         takes_optional_argument.
7863         (General_options::General_options): Initialize do_demangle_.
7864         (General_options::finalize): Set do_demangle_.  Handle demangling
7865         style.
7866         * options.h (parse_optional_string): Declare.
7867         (struct One_option): Add optional_arg field.  Update constructor.
7868         Update call constructor calls.  Add takes_optional_argument
7869         function.
7870         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7871         (DEFINE_optional_string): Define.
7872         (General_options::demangle): Change from DEFINE_bool to
7873         DEFINE_optional_string.
7874         (General_options::no_demangle): New function.
7875         (General_options::do_demangle): New function.
7876         (General_options::set_do_demangle): New function.
7877         (General_options::execstack_status_): Move definition to end of
7878         class definition.
7879         (General_options::static_): Likewise.
7880         (General_options::do_demangle_): New field.
7881         * object.cc (big_endian>::get_symbol_location_info): Call
7882         Options::do_demangle, not Options::demangle.
7883         * symtab.cc (demangle): Likewise.
7885 2008-03-22  Ian Lance Taylor  <iant@google.com>
7887         * gold.h: Include <cstddef> and <sys/types.h>
7888         * options.h: Include <cstring>.
7890 2008-03-21  Ian Lance Taylor  <iant@google.com>
7892         * Added source code to GNU binutils.