* timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
[binutils.git] / gold / ChangeLog
bloba76baf8b74b7a749beda15ad98dda8a4f349cab3
1 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5 2010-05-23  Doug Kwan  <dougkwan@google.com>
7         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
8         instead of a cast.
9         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
10         with a direct branch, not a conditional branch, to a stub.
11         * merge.cc (Output_merge_base::record_input_section): New method
12         defintion.
13         (Output_merge_data::do_add_input_section): Record input section if
14         keeps-input-sections flag is set.
15         (Output_merge_string::do_add_input_section): Ditto.
16         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
17         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
18         INPUT_SECTIONS_.
19         (Output_merge_base::keeps_input_sections,
20         Output_merge_base::set_keeps_input_sections,
21         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
22         method definitions.
23         (Output_merge_base::Input_sections): New type declaration.
24         (Output_merge_base::input_sections_begin,
25         Output_merge_base::input_sections_end,
26         Output_merge_base::do_set_keeps_input_sections): New method definitions.
27         (Output_merge_base::bool keeps_input_sections_,
28         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
29         Output_merge_base::input_sections_): New data members.
30         (Output_merge_data::do_set_keeps_input_sections): New method
31         defintion.
32         (Output_merge_string::do_set_keeps_input_sections): Ditto.
33         * output.cc (Output_section::Input_section::relobj): Move method
34         defintion from class declaration to here and handle merge sections.
35         (Output_section::Input_section::shndx): Ditto.
36         (Output_section::Output_section): Remove initializations of removed
37         data members and initialize new data member LOOKUP_MAPS_.
38         (Output_section::add_input_section): Set keeps-input-sections flag
39         for a newly created merge output section as appropriate.  Adjust code
40         to use Output_section_lookup_maps class.
41         (Output_section::add_relaxed_input_section): Adjst code for lookup
42         maps code refactoring.
43         (Output_section::add_merge_input_section): Add a new parameter
44         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
45         class.  If adding input section to a newly created merge output
46         section fails, remove the new merge section.
47         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
48         Adjust code for use of the Output_section_lookup_maps class. 
49         (Output_section::find_merge_section): Ditto.
50         (Output_section::build_lookup_maps): New method defintion.
51         (Output_section::find_relaxed_input_section): Adjust code to use
52         Output_section_lookup_maps class.
53         (Output_section::get_input_sections): Export merge sections.  Adjust
54         code to use Output_section_lookup_maps class.
55         (Output_section:::add_script_input_section): Adjust code to use
56         Output_section_lookup_maps class.  Update lookup maps for merge
57         sections also.
58         (Output_section::discard_states): Use Output_section_lookup_maps.
59         (Output_section::restore_states): Same.
60         * output.h (Merge_section_properties): Move class defintion out of
61         Output_section.
62         (Output_section_lookup_maps): New class.
63         (Output_section::Input_section::is_merge_section): New method
64         defintion.
65         (Output_section::Input_section::relobj): Move defintion out of class
66         defintion.  Declare method only.
67         (Output_section::Input_section::shndx): Ditto.
68         (Output_section::Input_section::output_merge_base): New method defintion.
69         (Output_section::Input_section::u2_.pomb): New union field.
70         (Output_section::Merge_section_by_properties_map,
71         Output_section::Output_section_data_by_input_section_map,
72         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
73         Remove types.
74         (Output_section::add_merge_input_section): Add new parameter
75         KEEPS_INPUT_SECTIONS.
76         (Output_section::build_lookup_maps): New method declaration.
77         (Output_section::merge_section_map_,
78         Output_section::merge_section_by_properties_map_,
79         Output_section::relaxed_input_section_map_,
80         Output_section::is_relaxed_input_section_map_valid_): Remove data
81         members.
82         (Output_section::lookup_maps_): New data member.
84 2010-05-21  Doug Kwan  <dougkwan@google.com>
86         PR gold/11619
87         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
88         avoid a compilation error.
90 2010-05-19  Rafael Espindola  <espindola@google.com>
92         * script-sections.cc (Output_section_definition::allocate_to_segment):
93         Update the phdrs_list even when the output section is NULL.
94         * testsuite/Makefile.am: Add test.
95         * testsuite/Makefile.in: Regenerate.
96         * testsuite/script_test_9.cc: New.
97         * testsuite/script_test_9.sh: New.
98         * testsuite/script_test_9.t: New.
100 2010-05-19  Doug Kwan  <dougkwan@google.com>
102         * arm.cc (Arm_input_section::original_size): New method.
103         (Arm_input_section::do_addralign): Add a cast.
104         (Arm_input_section::do_output_offset): Remove static cast.
105         (Arm_input_section::original_addralign,
106          Arm_input_section::original_size_): Change type to uint32_t.
107         (Arm_input_section::init): Add safe casts for section alignment
108         and size.
109         (Arm_input_section::set_final_data_size): Do not set address and
110         offset of stub table.
111         (Arm_output_section::fix_exidx_coverage): Change use of of
112         Output_section::Simple_input_section to that of
113         Output_section::Input_section.
114         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
115         except for the first pass.
116         * output.cc (Output_section::get_input_sections): Change type of
117         input_sections to std::list<Input_section>.
118         (Output_section::add_script_input_section): Rename from
119         Output_section::add_simple_input_section.  Change type of SIS
120         parameter from Simple_input_section to Input_section.
121         * output.h (Output_section::Simple_input_section): Remove class.
122         (Output_section::Input_section): Change class visibility to public.
123         (Output_section::Input_section::addralign): Use stored alignments
124         for special input sections if set.
125         (Output_section::Input_section::set_addralign): New method.
126         (Output_section::get_input_sections): Change parameter type from
127         list of Simple_input_section to list of Input_section.
128         (Output_section::add_script_input_section): Rename from
129         Output_section::add_simple_input_section. Change first parameter's
130         type from Simple_input_section to Input_section and remove the
131         second and third parameters.
132         * script-sections.cc (Input_section::Input_section_list): Change
133         type to list of Output_section::Input_section/
134         (Input_section_info::Input_section_info): Change parameter type of
135         INPUT_SECTION to Output_section::Input_section.
136         (Input_section_info::input_section): Change return type.
137         (Input_section_info::input_section_): Change type to
138         Output_section::Input_section.
139         (Output_section_element_input::set_section_addresses): Adjust code
140         to use Output_section::Input_section instead of
141         Output_section::Simple_input_section.  Adjust code for renaming
142         of Output_section::add_simple_input_section.
143         (Orphan_output_section::set_section_addresses): Ditto.
145 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
147         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
148         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
150 2010-05-18  Rafael Espindola  <espindola@google.com>
152         * options.cc (General_options::finalize): Handle -nostdlib.
153         * options.h (nostdlib): New option.
154         * script.cc (script_add_search_dir): Handle -nostdlib.
156 2010-05-12  Doug Kwan  <dougkwan@google.com>
158         * arm.cc (Target_arm::do_finalize_sections): Create an empty
159         attributes section only if there no attributes section after merging.
160         (Target_arm::merge_object_attributes): Move value of
161         Tag_MPextension_use_legacy to that of Tag_MPextension_use. 
162         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
163         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
164         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
165         and arm_attr_merge_7.stdout.
166         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
167         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
168         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
169         arm_attr_merge_7b.o): New rules.
170         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
171         arm_attr_merge_7
172         * testsuite/Makefile.in: Regenerate.
173         * testsuite/arm_attr_merge.sh: New file.
174         * testsuite/arm_attr_merge_[67][ab].s: Same.
176 2010-05-05  Nick Clifton  <nickc@redhat.com>
178         * po/es.po: Updated Spanish translation.
180 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
182         * Makefile.am (install-exec-local): Properly install gold as
183         default cross linker.
184         * Makefile.in: Regenerated.
186 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
187             Nick Clifton  <nickc@redhat.com>
189         * configure.ac (install_as_default): Define and set to false
190         unless --enable-gold or --enable-gold=both/gold has been
191         specified.
192         * configure: Regenerate.
194         * Makefile.am (install-exec-local): Install the executable as
195         'ld.gold'.  If install_as_default is true then also install it as
196         'ld'.
197         * Makefile.in: Regenerated.
199 2010-04-24  Ian Lance Taylor  <iant@google.com>
201         * layout.cc (Layout::layout_reloc): In relocatable link don't
202         combine reloc sections for grouped sections.
204 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
206         * gc.h (gc_process_relocs): Pass information on relocs pointing to
207         sections that are not ordinary to icf.
208         * icf.cc (get_section_contents): Handle relocation pointing to section
209         with no object or shndx information.
210         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
211         * testsuite/Makefile.in: Regenerate.
212         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
213         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
215 2010-04-22  Ian Lance Taylor  <iant@google.com>
217         * expression.cc (Expression::Expression_eval_info): Add
218         result_alignment_pointer field.
219         (Expression::eval_with_dot): Add result_alignment_pointer
220         parameter.  Change all callers.
221         (Expression::eval_maybe_dot): Likewise.
222         (class Binary_expression): Add alignment_pointer parameter to
223         left_value and right_value.  Change all callers.
224         (BINARY_EXPRESSION): Set result alignment.
225         (class Trinary_expression): Add alignment_pointer parameter to
226         arg2_value and arg3_value.  Change all callers.
227         (Trinary_cond::value): Set result alignment.
228         (Max_expression::value, Min_expression::value): Likewise.
229         (Align_expression::value): Likewise.
230         * script-sections.cc (class Sections_element): Add dot_alignment
231         parameter to set_section_addresses virtual function.  Update
232         instantiations.
233         (class Output_section_element): Likewise.
234         (Script_sections::create_segments): Add dot_alignment parameter.
235         Change all callers.
236         (Script_sections::create_segments_from_phdrs_clause): Likewise.
237         (Script_sections::set_phdrs_clause_addresses): Likewise.
238         * script-sections.h: Update declarations.
239         * script.h: Update declarations.
240         * output.h (Output_segment::set_minimum_p_align): Don't decrease
241         min_p_align.
242         * testsuite/script_test_3.t: Set large alignment.
243         * testsuite/script_test_3.sh: Make sure that at least one LOAD
244         segment has expected alignment.
246 2010-04-22  Nick Clifton  <nickc@redhat.com>
248         * po/gold.pot: Updated by the Translation project.
249         * po/vi.po: Updated Vietnamese translation.
251 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
253         * testsuite/Makefile.am (check_PROGRAMS): Add
254         icf_virtual_function_folding_test.
255         * testsuite/Makefile.in: Regenerated.
257 2010-04-15  Andrew Haley  <aph@redhat.com>
259         * options.h (merge_exidx_entries): New option.
260         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
261         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
262         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
263         (Target_arm::merge_exidx_entries): New function.
264         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
265         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
266         to Arm_exidx_fixup constructor.
267         Add new arg, merge_exidx_entries.
268         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
269         Arm_output_section::fix_exidx_coverage.
271 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
273         * icf.cc (get_section_contents): Check for preemptible functions.
274         Ignore addend when appropriate.
275         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
276         section folded.
277         (add_from_relobj): Check for section folded.
278         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
279         * symtab.h (should_add_dynsym_entry): Add new parameter.
280         * target-reloc.h (scan_relocs): Check for section folded.
281         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
282         Check reloc types for function pointers in shared objects.
283         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
284         case.
285         (icf_preemptible_functions_test): New test case.
286         (icf_string_merge_test): New test case.
287         * testsuite.Makefile.in: Regenerate.
288         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
289         bar_glob.  Refactor code.
290         * testsuite/icf_preemptible_functions_test.cc: New file.
291         * testsuite/icf_preemptible_functions_test.sh: New file.
292         * testsuite/icf_string_merge_test.cc: New file.
293         * testsuite/icf_string_merge_test.sh: New file.
294         * testsuite/icf_virtual_function_folding_test.cc: New file.
295         * testsuite/icf_virtual_function_folding_test.sh: New file.
297 2010-04-14  Doug Kwan  <dougkwan@google.com>
299         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
300         for local symbol recounting if we remove a section due to ICF.
301         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
302         there are no regular objects in input.
304 2010-04-13  Doug Kwan  <dougkwan@google.com>
306         * arm.cc (Arm_input_section::set_final_data_size): Compute
307         accurate final data size instead of using current data size.
309 2010-04-09  Doug Kwan  <dougkwan@google.com>
311         * layout.cc (Layout::choose_output_section): Handle script section
312         types.
313         (Layout::make_output_section_for_script): Add section type parameter.
314         Handle script section types.
315         * layout.h (Layout::make_output_section_for_script): Add section
316         type parameter.
317         * output.cc (Output_section::Output_section): Initialize data member
318         is_noload_.
319         (Output_section::do_reset_address_and_file_offset): Do not set address
320         to 0 if section is a NOLOAD section.
321         * output.h (Output_section::is_noload): New method.
322         (Output_section::set_is_noload): Ditto.
323         (Output_section::is_noload_): New data member.
324         * script-c.h (Script_section_type): New enum type.
325         (struct Parser_output_section_header): Add new file section_type.
326         * script-sections.cc (Sections_element::output_section_name): Add
327         parameter for returning script section type.
328         (Output_section_definition::output_section_name): Ditto.
329         (Output_section_definition::section_type)P; New method.
330         (Output_section_definiton::script_section_type_name): Ditto.
331         (Output_section_definition::script_section_type_): New data member.
332         (Output_section_definition::Output_section_definition): Initialize
333         data member Output_section_definition::script_section_type_.
334         (Output_section_definition::create_sections): Pass script section type
335         to Layout::make_output_section_for_script.
336         (Output_section_definition::output_section_name): Return script
337         section type to caller.
338         (Output_section_definition::set_section_address): Do not advance
339         dot value and load address if section type is NOLOAD.  Set address
340         of NOLOAD sections regardless of section flags.
341         (Output_section_definition::print): Print section type if it is
342         not SCRIPT_SECTION_TYPE_NONE.
343         (Output_section_definition::section_type): New method.
344         (Output_section_definition::script_section_type_name): Ditto.
345         (Script_sections::output_section_name): Add new parameter
346         PSECTION_TYPE for returning script section type.  Pass it to
347         section elements.  Handle discard sections.
348         (Sort_output_sections::operator()): Handle NOLOAD sections.
349         * script-sections.h (Script_sections::Section_type): New enum type.
350         (Script_sections::output_section_name): Add a new parameter for
351         returning script section type.
352         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
353         INFO and NOLOAD.
354         * yyscript.y (union): Add new field SECTION_TYPE.
355         (COPY, DSECT, INFO, NOLOAD): New tokens.
356         (opt_address_and_section_type): Change type to output_section_header.
357         (section_type): New non-terminal
358         (section_header): Handle section type.
359         (opt_address_and_section_type): Return section type value.
361 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
363         * testsuite/plugin_common_test_1.c (foo): Add prototype.
364         * testsuite/plugin_common_test_2.c (foo): Likewise.
366 2010-04-08  Doug Kwan  <dougkwan@google.com>
368         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
369         Output_merge_data.
370         * output.cc (Output_section::add_merge_input_section): Simplify
371         code and return status of Output_merge_base::add_input_section.
372         Update merge section map only if Output_merge_base::add_input_section 
373         returns true.
375 2010-04-07  Doug Kwan  <dougkwan@google.com>
377         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
378         if section is marked as containing instructions but has no mapping
379         symbols.
380         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
381         correct section index.
382         (Arm_relobj::find_linked_text_section): Ditto.
384 2010-04-07  Cary Coutant  <ccoutant@google.com>
386         * archive.cc (include_member): Destroy Read_symbols_data object before
387         releasing file.
388         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
389         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
390         (Read_symbols_data::~Read_symbols_data) New destructor.
391         (Section_relocs::Section_relocs) New constructor.
392         (Section_relocs::~Section_relocs) New destructor.
393         (Read_relocs_data::Read_relocs_data) New constructor.
394         (Read_relocs_data::~Read_relocs_data) New destructor.
395         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
396         pointers to NULL after deleting.
398 2010-04-07  Doug Kwan  <dougkwan@google.com>
400         * arm.cc: Replace "endianity" with "endianness" in comments.
401         (Arm_exidx_cantunwind): Ditto.
402         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
403         (Arm_relobj::merge_flags_and_attributes): New method.
404         (Arm_relobj::merge_flags_and_attributes_): New data member.
405         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
406         (Arm_relobj::scan_sections_for_stubs): Ditto.
407         (Arm_relobj::do_read_symbols): Check to see if we really want to
408         merge processor-specific flags and attributes.  Exit early if
409         an object is empty except for section names and the undefined symbol.
410         (Target_arm::do_finalize_sections): Move check for ELF format to
411         Arm_relobj::do_read_symbols.  Merge processor specific flags and
412         attributes from a regular object only when we have determined that
413         it is aapropriate.  Do not create an .ARM.attributes section in
414         output if there is no regular input object.
415         (Target_arm::merge_processor_specific_flags): Check
416         --warn-mismatch before printing any error.
417         (Target_arm::merge_object_attributes): Ditto.
418         * gold.cc (queue_middle_tasks): Handle the case in which there is
419         no regular object in input.
420         * options.cc (General_options::parse_EB): New method.
421         (General_options::parse_EL): Same.
422         (General_options::General_options): Initialize endianness_.
423         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
424         New options.
425         (General_options::Endianness): New enum.
426         (General_options::endianness): New method.
427         (General_options::endianness_): New data member.
428         * parameters.cc (Parameters::set_options): Check target endianness.
429         (Parameters::set_target_once): Ditto.
430         (Parameters::check_target_endianness): New method.
431         (parameters_force_valid_target): If either -EL or -EB is specified,
432         use it to define endianness of default target.
433         * parameters.h (Parameters::check_target_endianness): New method
434         declaration.
435         * target.h (class Target): Change "endianity" to "endianness"
436         in comments.
438 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
440         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
441         * configure: Regenerate.
442         * Makefile.in: Regenerate.
443         * testsuite/Makefile.in: Regenerate.
445 2010-04-06  Cary Coutant  <ccoutant@google.com>
447         gcc PR lto/42757
448         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
449         prevailing definitions of common symbols.
450         * testsuite/plugin_test_6.sh: New test case.
451         * testsuite/plugin_common_test_1.c: New test case.
452         * testsuite/plugin_common_test_2.c: New test case.
453         * testsuite/Makefile.am (plugin_test_6): New test case.
454         * testsuite/Makefile.in: Regenerate.
456 2010-04-06  Nick Clifton  <nickc@redhat.com>
458         * po/vi.po: New Vietnamese translation.
460 2010-03-30  Doug Kwan  <dougkwan@google.com>
462         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
464 2010-03-25  Doug Kwan  <dougkwan@google.com>
466         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
467         to avoid a conversion warning on a 32-bit host.
469 2010-03-24  Ian Lance Taylor  <iant@google.com>
471         * testsuite/script_test_3.t: Add a TLS segment.
472         * testsuite/Makefile.am (check_PROGRAMS): Add
473         tls_phdrs_script_test.
474         (tls_phdrs_script_test_SOURCES): Define.
475         (tls_phdrs_script_test_DEPENDENCIES): Define.
476         (tls_phdrs_script_test_LDFLAGS): Define.
477         (tls_phdrs_script_test_LDADD): Define.
478         * testsuite/Makefile.in: Rebuild.
480 2010-03-23  Cary Coutant  <ccoutant@google.com>
482         * fileread.cc (find_or_make_view): Fix comment.
484 2010-03-23  Ian Lance Taylor  <iant@google.com>
486         * script-sections.cc (class Orphan_section_placement): Define
487         PLACE_TLS and PLACE_TLS_BSS.
488         (Orphan_section_placement::Orphan_section_placement): Initialize
489         new places.
490         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
491         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
492         (tls_script_test_SOURCES): Define.
493         (tls_script_test_DEPENDENCIES): Define.
494         (tls_script_test_LDFLAGS): Define.
495         (tls_script_test_LDADD): Define.
496         * testsuite/Makefile.in: Rebuild.
498 2010-03-22  Doug Kwan  <dougkwan@google.com>
500         * arm.cc (Arm_relocate_functions::abs8,
501         Arm_relocate_functions::abs16): Use correct check for overflow
502         specified in the ARM ELF specs.
503         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
504         target of a BLX instruction specially.
505         (Reloc_stub::stub_type_for_reloc): Ditto.
506         (Relocate::relocate): Use symbolic names instead of numeric relocation
507         codes to report error.
508         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
509         workaround.
510         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
511         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
512         thumb2_blx_out_of_range.stdout
513         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
514         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
515         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
516         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
517         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
518         thumb2_blx_in_range, thumb2_blx_in_range.o,
519         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
520         thumb2_blx_out_of_range.o): New rules.
521         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
522         thumb2_blx_in_range and thumb2_blx_out_of_range.
523         * testsuite/Makefile.in: Regenerate.
524         * arm_branch_in_range.sh: Add tests for THUMB BLX.
525         * testsuite/thumb_blx_in_range.s: New file.
526         * testsuite/thumb_blx_out_of_range.s: New file.
528 2010-03-22  Rafael Espindola  <espindola@google.com>
530         * archive.cc (Should_include): Move to archive.h.
531         (should_include_member): Make it a member of Archive.
532         (Lib_group): New.
533         (Add_lib_group_symbols): New.
534         * archive.h: Include options.h.
535         (Archive_member): Moved from Archive.
536         (Should_include): Moved from archive.cc.
537         (Lib_group): New.
538         (Add_lib_group_symbols): New.
539         * dynobj.cc (do_should_include_member): New.
540         * dynobj.h (do_should_include_member): New.
541         * gold.cc (queue_initial_tasks): Update call to queue.
542         * main.cc (main): Print lib group stats.
543         * object.cc (do_should_include_member): New.
544         * object.h: Include archive.h.
545         (Object::should_include_member): New.
546         (Object::do_should_include_member): New.
547         (Sized_relobj::do_should_include_member): New.
548         * options.cc (General_options::parse_start_lib): New.
549         (General_options::parse_end_lib): New.
550         (Input_arguments::add_file): Handle lib groups.
551         (Input_arguments::start_group): Check we are not in a lib.
552         (Input_arguments::start_lib): New.
553         (Input_arguments::end_lib): New.
554         * options.h (General_options): Add start_lib and end_lib.
555         (Input_argument::lib_): New.
556         (Input_argument::lib): New.
557         (Input_argument::is_lib): New.
558         (Input_file_lib): New.
559         (Input_arguments::in_lib_): New.
560         (Input_arguments::in_lib): New.
561         (Input_arguments::start_lib): New.
562         (Input_arguments::end_lib_): New.
563         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
564         in unused members as preempted.
565         (Sized_pluginobj::do_should_include_member): New.
566         * plugin.h (Sized_pluginobj::do_should_include_member): New.
567         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
568         return the blocker.
569         (Read_symbols::do_whole_lib_group): New.
570         (Read_symbols::do_lib_group): New.
571         (Read_symbols::do_read_symbols): Handle lib groups.
572         (Read_symbols::get_name): Handle lib groups.
573         * readsyms.h (Read_symbols): Add an archive member pointer.
574         (Read_symbols::do_whole_lib_group): New.
575         (Read_symbols::do_lib_group): New.
576         (Read_symbols::member_): New.
577         * script.cc (read_input_script): Update call to queue_soon.
579 2010-03-19  Doug Kwan  <dougkwan@google.com>
581         * arm.cc (Stub_table::Stub_table): Initialize new data members
582         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
583         (Stub_table::add_reloc_stub): Assign stub offset and update
584         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
585         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
586         New data members.
587         (Stub_table::update_data_size_and_addralign): Use
588         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
589         instead of going over all reloc stubs.
590         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
591         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
592         Stringpool_template::offset_ to size of Stringpool_char.
593         (Stringpool_template::new_key_offset): Remove code to initialize
594         Stringpool_template::offset_.
595         * stringpool.h (Stringpool_template::set_no_zero_null): Set
596         Stringpool_template::offset_ to zero.
598 2010-03-15  Doug Kwan  <dougkwan@google.com>
600         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
601         offset_.
602         (Stringpool_template::new_key_offset): New method.
603         (Stringpool_template::add_string): Assign offsets when adding new
604         strings.
605         (Stringpool_template::set_string_offsets): Do not set string offsets
606         when not optimizing.
607         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
608         member size_.
609         (Chunked_vector::clear): Clear size_.
610         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
611         (Chunked_vector::size): Return size_.
612         (Chunked_vector::push_back): Use size_ to find insert position.
613         (Chunked_vector::size_): New data member. 
614         (Stringpool_template::set_no_zero_null): Assert string set is empty.
615         (Stringpool_template::new_key_offset): New method declaration.
616         (Stringpool_template::offset_): New data member.
618 2010-03-15   Rafael Espindola  <espindola@google.com>
620         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
621         Add_symbols' constructor.
622         * readsyms.h (Add_symbols): Remove the input_group member.
624 2010-03-10  Ian Lance Taylor  <iant@google.com>
626         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
627         target to ask whether a reference to a symbol requires a stack
628         split.
629         * target.h (Target::is_call_to_non_split): New function.
630         (Target::do_is_call_to_non_split): Declare virtual function.
631         * target.cc: Include "symtab.h".
632         (Target::do_is_call_to_non_split): New function.
633         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
635 2010-03-10  Cary Coutant  <ccoutant@google.com>
637         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
638         (File_read::open[1]): Remove initial mapping of whole_file_view_.
639         (File_read::open[2]): Add whole_file_view_ to list of views.
640         (File_read::make_view): Remove test of whole_file_view_.
641         (File_read::find_or_make_view): Create whole_file_view_ if
642         necessary.
643         (File_read::clear_views): Replace bool parameter with enum;
644         adjust all callers.  Don't delete views with permanent data;
645         do delete cached views and views from archives if
646         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
647         if clearing the corresponding view.
648         * fileread.h (File_read::Clear_views_mode): New enum.
649         (File_read::View::is_permanent_view): New method.
650         (File_read::clear_views): Replace bool parameter
651         with enum; adjust all callers.
652         * options.h (General_options): Change keep_files_mapped option;
653         add map_whole_files.
654         * readsyms.cc (Add_symbols::run): Delete sd_ object before
655         releasing the file.
656         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
657         the file.
659 2010-03-10  David S. Miller  <davem@davemloft.net>
661         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
663 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
665         * icf.cc (get_section_contents): Add '@' marker after processing the
666         merge reloc.
668 2010-03-08  Doug Kwan  <dougkwan@google.com>
670         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
671         due to a conversion warning.
672         (Arm_relobj::update_output_local_symbol_count): Check for local
673         symbol with unset output index.
675 2010-03-05  Ian Lance Taylor  <iant@google.com>
677         * options.h (class General_options): Add --spare-dynamic-tags.
678         * output.cc (Output_data_dynamic::set_final_data_size): Implement
679         --spare-dynamic-tags.
681 2010-03-05  Ian Lance Taylor  <iant@google.com>
683         * incremental.cc: Include "libiberty.h".
685 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
687         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
688         function, is_info_ member.
689         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
690         (Versions::Versions): Update caller.
691         (Versions::define_base_version): Likewise.
692         (Versions::add_def): Likewise.
694 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
696         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
697         (Scan::possible_function_pointer_reloc): New function.
698         (Scan::local_reloc_may_be_function_pointer): Change to call
699         possible_function_pointer_reloc.
700         (Scan::global_reloc_may_be_function_pointer): Ditto.
701         * icf.h (Icf::check_section_for_function_pointers): Change to reject
702         relocations in ".data.rel.ro._ZTV" section.
703         * testsuite/icf_safe_so_test.sh: Change to pass i386.
704         * testsuite/icf_safe_so_test.cc: Ditto.
705         * testsuite/icf_safe_test.cc: Ditto.
706         * testsuite/icf_safe_test.sh: Ditto.
708 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
709             Ian Lance Taylor  <iant@google.com>
711         * target-reloc.h (relocate_section): Check the symbol table index
712         for -1U before setting the local symbol index.
713         (scan_relocatable_relocs): If copying the relocation, record that
714         the local symbol is required.
715         * object.h (Symbol_value::is_output_symtab_index_set): New
716         function.
717         (Symbol_value::may_be_discarded_from_output_symtab): New
718         function.
719         (Symbol_value::has_output_symtab_entry): New function.
720         (Symbol_value::needs_output_symtab_entry): Remove.
721         (Symbol_value::output_symtab_index): Make sure the symbol index is
722         set.
723         (Symbol_value::set_output_symtab_index): Make sure the symbol
724         index is not set.  Make sure the new index is valid.
725         (Symbol_value::set_must_have_output_symtab_entry): New function.
726         (Symbol_value::has_output_dynsym_entry): New function.
727         (Symbol_value::set_output_dynsym_index): Make sure the new index
728         is valid.
729         (Sized_relobj::set_must_have_output_symtab_entry): New function.
730         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
731         local symbol if permitted.
732         (Sized_relobj::do_finalize_local_symbols): Call
733         is_output_symtab_index_set rather than needs_output_symtab_entry.
734         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
735         rather than needs_output_symtab_entry.  Call
736         has_output_dynsym_entry rather than needs_output_dynsym_entry.
737         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
738         is_output_symtab_index_set rather than needs_output_symtab_entry.
739         * testsuite/discard_locals_relocatable_test.c: New file.
740         * testsuite/discard_locals_test.sh: Test -r.
741         * testsuite/Makefile.am (check_DATA): Add
742         discard_locals_relocatable_test1.syms,
743         discard_local_relocatable_test2.syms.
744         (MOSTLYCLEANFILES): Likewise.  Also add
745         discard_locals_relocatable_test1.lout and
746         discard_locals_relocatable_test2.out.
747         (discard_locals_relocatable_test1.syms): New target.
748         (discard_locals_relocatable_test.o): New target.
749         (discard_locals_relocatable_test1.out): New target.
750         (discard_locals_relocatable_test2.syms): New target.
751         (discard_locals_relocatable_test2.out): New target.
752         (various): Add missing ../ld-new dependencies.
753         * testsuite/Makefile.in: Rebuild.
755 2010-03-03  Nick Clifton  <nickc@redhat.com>
757         * po/fi.po: New Finnish translation.
759 2010-03-01  Doug Kwan  <dougkwan@google.com>
761         * layout.cc (Layout::Layout): Force section types of .init_array*,
762         .preinit_array* and .fini_array* sections.
763         * output.cc (Output_section::Input_section_sort_entry::has_priority):
764         Fix check of return value of std::string::find.().
765         (Output_section::Input_section_sort_compare::operator()): Remove
766         comment about .init_array.
767         (Output_section::Input_section_sort_init_fini_compare::operator()):
768         New method.
769         (Output_section::sort_attached_input_sections): Handle .init_array
770         and .fini_array specially.
771         * output.h (Output_section::Inut_section_sort_compare): Update
772         comment.
773         (Output_section::Input_section_sort_init_fini_compare): New struct.
775 2010-02-26  Doug Kwan  <dougkwan@google.com>
777         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
778         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
779         * testsuite/debug_msg.sh: Avoid matching source line number for
780         use of global variable undef_int.
782 2010-02-26  Doug Kwan  <dougkwan@google.com>
784         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
785         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
786         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
787         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
788         * options.cc (General_options::General_options): Initialize member
789         fix_v4bx_.
790         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
791         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
792         and rm_no_fix_v4bx.stdout
793         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
794         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
795         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
796         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
797         and arm_no_fix_v4bx.
798         * Makefile.in: Regenerate.
799         * testsuite/arm_fix_v4bx.s: New file.
800         * testsuite/arm_fix_v4bx.sh: Ditto.
802 2010-02-24  Doug Kwan  <dougkwan@google.com>
804         * arm.cc (Target_arm::got_section): Make the .got section the first
805         non RELRO section in the data segment.
806         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
807         suffixes of section names.
809 2010-02-24  Doug Kwan  <dougkwan@google.com>
811         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
812         flags and attributes merging if an input file is a binary file.
813         * fileread.cc (Input_file::open): Record format of original file.
814         * fileread.h (Input_file::Format): New enum type.
815         (Input_file::Input_file): Initialize data member format_.
816         (Input_file::format): New method definition.
817         (Input_file::format_):: New data member.
819 2010-02-24  Doug Kwan  <dougkwan@google.com>
821         * arm.cc (Arm_output_data_got): New class.
822         (ARM_TCB_SIZE): New constant
823         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
824         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
825         If user uses a script with a SECTIONS clause, issue only a warning
826         for a misplaced EXIDX input section.  Otherwise, issue an error.
827         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
828         garbage collection.
829         (Target_arm::got_mode_index_entry): Handle static linking.
830         (Target_arm::Scan::local): Ditto.
831         (Target_arm::Scan::global): Ditto.
832         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
833         all incorrectly implemented relocations.
834         (Target_arm::fix_exidx_coverage): Pass layout to 
835         Arm_output_section::fix_exidx_coverage.
836         * layout.cc (Layout::section_name_mapping): Remove trailing dots
837         from ".ARM.exidx." and ".ARM.extab.".
839 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
841         * arm.cc (Target_arm::do_finalize_sections): Create attribute
842         section if it does not already exist.
843         * attributes.cc (Attributes_section_data::Attributes_section_data):
844         Don't crash if size is zero.
846 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
847             Ian Lance Taylor  <iant@google.com>
849         * gold.cc (queue_middle_tasks): If no input files were opened,
850         exit.
851         * workqueue.h (Task_function::Task_function): Assert that there is
852         a blocker.
854 2010-02-22  Doug Kwan  <dougkwan@google.com>
856         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
857         * icf.cc (get_section_contents): Cast snprintf arguments to long long
858         types to avoid warnings due to different uint64_t implementations
859         on different hosts.
861 2010-02-21  Doug Kwan  <dougkwan@google.com>
863         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
864         handling of the maximum backward branch offset.
865         (Arm_relocate_functions::thumb_branch_common): Ditto.
866         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
867         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
868         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
869         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
870         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
871         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
872         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
873         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
874         thumb_bl_out_of_range thumb_bl_out_of_range.o,
875         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
876         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
877         thumb2_bl_out_of_range.o): New rules.
878         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
879         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
880         thumb2_bl_out_of_range
881         * testsuite/Makefile.in: Regenerate.
882         * testsuite/arm_bl_in_range.s: New file.
883         * testsuite/arm_bl_out_of_range.s: Ditto.
884         * testsuite/arm_branch_in_range.sh: Ditto.
885         * testsuite/arm_branch_range.t: Ditto.
886         * testsuite/thumb2_branch_range.t: Ditto.
887         * testsuite/thumb_bl_in_range.s: Ditto.
888         * testsuite/thumb_bl_out_of_range.s: Ditto.
889         * testsuite/thumb_branch_range.t: Ditto.
891 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
893         * gc.h (gc_process_relocs): Change vectors to point to the new list.
894         Add reloc offset information.
895         * icf.cc (get_section_contents): Change iterators to point to the new
896         vectors. Add reloc offset information to the contents.
897         * icf.h (Icf::Sections_reachable_info): New typedef.
898         (Icf::Sections_reachable_list): New typedef.
899         (Icf::Offset_info): New typedef.
900         (Icf::Reloc_info): New struct typedef.
901         (Icf::Reloc_info_list): New typedef.
902         (Icf::symbol_reloc_list): Delete method.
903         (Icf::addend_reloc_list): Delete method.
904         (Icf::section_reloc_list): Delete method.
905         (Icf::reloc_info_list): New method.
906         (Icf::reloc_info_list_): New member.
908 2010-02-19  Doug Kwan  <dougkwan@google.com>
910         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
911         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
912         * arm.cc (Arm_relocation_functions): New forward declaration.
913         (Target_arm::Target_arm): Initialize new data members
914         got_mod_index_offset_ and tls_base_symbol_defined_.
915         (Target_arm::Relocate::relocate_tls): New method.
916         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
917          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
918         New methods.
919         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
920         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
921         (Target_arm::got_mod_index_offset_,
922         Target_arm::tls_base_symbol_defined_): New data members.
923         (Target_arm::Scan::local, Target::Scan::global,
924         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
925         relocations.
927 2010-02-18  Doug Kwan  <dougkwan@google.com>
929         * arm.cc (Arm_relobj::find_linked_text_section): New method.
930         (Arm_relobj::make_exidx_input_section): Pass section index of linked
931         text section as a parameter becuase some broken tools may not set
932         the link in section header.
933         (Target_arm::has_got_section): New method.
934         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
935         without any mapping symbol as data only.  Remove warning.
936         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
937         link in its section header, try to discover the link by inspecting the
938         REL31 relocation at the beginning of the section.
939         (Target_arm::Scan::check_non_pic): Report name of offending relocation
940         in error message.
941         (Target_arm::Scan::global): Treat any reference to the symbol
942         _GLOBAL_OFFSET_TABLE_ as a GOT access.
944 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
946         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
947         (Scan::global_reloc_may_be_function_pointer): New function.
948         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
949         (Scan::global_reloc_may_be_function_pointer): New function.
950         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
951         (Scan::global_reloc_may_be_function_pointer): New function.
952         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
953         (Scan::global_reloc_may_be_function_pointer): New function.
954         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
955         (Scan::global_reloc_may_be_function_pointer): New function.
956         (Scan::possible_function_pointer_reloc): New function.
957         (Target_x86_64::can_check_for_function_pointers): New function.
958         * gc.h (gc_process_relocs): Scan relocation types to determine if
959         function pointers were taken for targets that support it.
960         * icf.cc (Icf::find_identical_sections): Include functions for
961         folding in safe ICF whose pointer is not taken.
962         * icf.h (Secn_fptr_taken_set): New typedef.
963         (fptr_section_id_): New member.
964         (section_has_function_pointers): New function.
965         (set_section_has_function_pointers): New function.
966         (check_section_for_function_pointers): New function.
967         * options.h: Fix comment for safe ICF option.
968         * target.h (can_check_for_function_pointers): New function.
969         * testsuite/Makefile.am: Add icf_safe_so_test test case.
970         Modify icf_safe_test for X86-64.
971         * testsuite/Makefile.in: Regenerate.
972         * testsuite/icf_safe_so_test.cc: New file.
973         * testsuite/icf_safe_so_test.sh: New file.
974         * testsuite/icf_safe_test.cc (kept_func_3): New function.
975         (main): Change to take pointer to function kept_func_3.
976         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
977         folding is done correctly for X86-64.
979 2010-02-12  David S. Miller  <davem@davemloft.net>
981         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
982         is_symbolless parameter.
983         (Output_reloc<SHT_REL>::is_symbolless): New.
984         (Output_reloc<SHT_REL>::is_symbolless_): New.
985         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
986         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
987         (Output_reloc<SHT_RELA>::is_symbolless): New.
988         (Output_data_reloc::add_global): Handle is_symbolless.
989         (Output_data_reloc::add_global_relative): Likewise.
990         (Output_data_reloc::add_local): Likewise.
991         (Output_data_reloc::add_local_relative): Likewise.
992         (Output_data_reloc::add_symbolless_global_addend): New.
993         (Output_data_reloc::add_symbolless_local_addend): New.
994         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
995         is_symbolless.
996         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
997         instead of ->is_relative_
998         (Output_reloc::write): Likewise.
999         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1000         (Output_reloc::write_rel): Simplify.
1002         * sparc.cc (Target_sparc::Scan::local): Use
1003         ->add_symbolless_local_addend as needed.
1004         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1005         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1006         based upon relocation offset.
1008 2010-02-11  Doug Kwan  <dougkwan@google.com>
1010         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1011         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1012         beginning of function.
1013         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1014         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1015         parameter is_32bit in calls to should_apply_static_reloc.
1016         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1017         (check_DATA): Add arm_abs_global.stdout.
1018         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1019         arm_abs_global.stdout): New rules.
1020         (MOSTLLYCLEANFILES): Add arm_abs_global
1021         * Makefile.in: Regenerate.
1022         * testsuite/arm_abs_global.s: New file.
1023         * testsuite/arm_abs_global.sh: Ditto.
1024         * testsuite/arm_abs_lib.s: Ditto.
1026 2010-02-11  Ian Lance Taylor  <iant@google.com>
1028         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1029         Read_relocs task.
1030         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1031         Allocate_commons_task first.
1032         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1033         task, rather than symtab_lock_.
1034         (Gc_process_relocs::~Gc_process_relocs): New function.
1035         (Gc_process_relocs::is_runnable): Check this_blocker_.
1036         (Gc_process_relocs::locks): Use next_blocker_ rather than
1037         blocker_.
1038         (Scan_relocs::~Scan_relocs): New function.
1039         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1040         symtab_lock_.
1041         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1042         next_blocker_.
1043         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1044         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1045         constructor accordingly.
1046         (class Gc_process_relocs): Likewise.
1047         (class Scan_relocs): Likewise.
1048         * common.h (class Allocate_commons_task): Remove symtab_lock_
1049         field, and corresponding constructor parameter.
1050         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1051         symtab_lock_.
1052         (Allocate_commons_task::locks): Likewise.
1054 2010-02-11  Ian Lance Taylor  <iant@google.com>
1056         * gold-threads.h (class Once): Define.
1057         (class Initialize_lock): Rewrite as child of Once.
1058         * gold-threads.cc (class Once_initialize): Define.
1059         (once_pointer_control): New static variable.
1060         (once_pointer, once_arg): New static variables.
1061         (c_run_once): New static function.
1062         (Once::Once, Once::run_once, Once::internal_run): New functions.
1063         (class Initialize_lock_once): Remove.
1064         (initialize_lock_control): Remove.
1065         (initialize_lock_pointer): Remove.
1066         (initialize_lock_once): Remove.
1067         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1068         (Initialize_lock::initialize): Rewrite.
1069         (Initialize_lock::do_run_once): New function.
1070         * archive.cc (Archive::interpret_header): Only clear name if it is
1071         not already empty.
1072         * fileread.cc: Include "gold-threads.h"
1073         (file_counts_lock): New static variable.
1074         (file_counts_initialize_lock): Likewise.
1075         (File_read::release): Only increment counts when using --stats.
1076         Use a lock around the increment.
1077         * parameters.cc (class Set_parameters_target_once): Define.
1078         (set_parameters_target_once): New static variable.
1079         (Parameters::Parameters): Move here from parameters.h.
1080         (Parameters::set_target): Rewrite.
1081         (Parameters::set_target_once): New function.
1082         (Parameters::clear_target): Move here and rewrite.
1083         * parameters.h (class Parameters): Update declarations.  Add
1084         set_parameters_target_once_ field.
1085         (Parameters::Parameters): Move to parameters.cc.
1086         (Parameters::clear_target): Likewise.
1087         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1088         task.
1089         (Start_group::~Start_group): New function.
1090         (Start_group::is_runnable): New function.
1091         (Start_group::locks, Start_group::run): New functions.
1092         (Finish_group::run): Change saw_undefined to size_t.
1093         * readsyms.h (class Start_group): Define.
1094         (class Finish_group): Change saw_undefined_ field to size_t.
1095         (Finish_group::Finish_group): Remove saw_undefined and
1096         this_blocker parameters.  Change all callers.
1097         (Finish_group::set_saw_undefined): New function.
1098         (Finish_group::set_blocker): New function.
1099         * symtab.h (class Symbol_table): Change saw_undefined to return
1100         size_t.  Change saw_undefined_ field to size_t.
1101         * target-select.cc (Set_target_once::do_run_once): New function.
1102         (Target_selector::Target_selector): Initialize set_target_once_
1103         field.  Don't initialize lock_ and initialize_lock_ fields.
1104         (Target_selector::instantiate_target): Rewrite.
1105         (Target_selector::set_target): New function.
1106         * target-select.h (class Set_target_once): Define.
1107         (class Target_selector): Update declarations.  Make
1108         Set_target_once a friend.  Remove lock_ and initialize_lock_
1109         fields.  Add set_target_once_ field.
1111 2010-02-10  Ian Lance Taylor  <iant@google.com>
1113         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1114         queueing any tasks.
1115         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1116         (queue_middle_tasks): Add all blockers before queueing any tasks.
1117         (queue_final_tasks): Likewise.
1118         * token.h (Task_token::add_blockers): New function.
1119         * object.h (Input_objects::number_of_relobjs): New function.
1121 2010-02-10  Ian Lance Taylor  <iant@google.com>
1123         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1124         shared, not if not position independent.
1125         * x86_64.cc (Relocate::relocate_tls): Likewise.
1126         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1127         (tls_pie_pic_test): New target.
1128         * testsuite/Makefile.in: Rebuild.
1130         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1131         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1132         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1133         * testsuite/Makefile.in: Rebuild.
1135 2010-02-09  David S. Miller  <davem@davemloft.net>
1137         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1138         R_SPARC_RELATIVE using ->add_local_relative().
1139         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1141         * output.h (Output_data_dynamic::add_section_size): New method
1142         that takes two Output_data objects.
1143         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1144         entry param.  Handle it in initializers.
1145         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1146         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1147         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1148         arg.
1149         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1150         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1151         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1152         for dynrel_includes_plt.
1153         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1154         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1155         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1156         before .rela.plt
1157         (Target_sparc::do_finalize_sections): Update to pass true for
1158         dynrel_includes_plt.
1159         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1160         output before .rela.plt
1161         (Target_powerpc::do_finalize_sections): Update to pass true for
1162         dynrel_includes_plt when 32-bit.
1164 2010-02-08  Doug Kwan  <dougkwan@google.com>
1166         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1167         method.
1168         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1169         Arm_relobj::scan_section_for_cortex_a8_stubs,
1170         Arm_relobj::do_relocation_section): Instead of calling
1171         Output_section::output_address, use faster
1172         Arm_relobj::simple_input_section_output_address.
1174 2010-02-08  David S. Miller  <davem@davemloft.net>
1176         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1177         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1178         relocation helper function.
1180         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1181         just like R_SPARC_GOT{10,13,22}.
1182         (Target_sparc::Scan::local): Likewise.
1183         (Target_sparc::Relocate:relocate): Likewise.
1185 2010-02-06  Ian Lance Taylor  <iant@google.com>
1187         * configure.ac: Rewrite targetobjs duplicate removal code to use
1188         only shell constructs.
1189         * configure: Rebuild.
1191 2010-02-05  Doug Kwan  <dougkwan@google.com>
1193         PR 11247
1194         * arm.cc (Arm_relobj::section_is_scannable): New method.
1195         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1196         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1198 2010-02-04  Doug Kwan  <dougkwan@google.com>
1200         PR 11247
1201         * arm-reloc-property.cc (cstdio): Include.
1202         * configure.ac (targetobjs): Remove duplicates.
1203         * configure: Regenerate.
1204         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1205         big and little endian version for a given address size.
1207 2010-02-03  Doug Kwan  <dougkwan@google.com>
1209         * arm-reloc-property.cc
1210         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1211         definition.
1212         * arm-reloc-property.h
1213         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1214         New method definition.
1215         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1216         declaration.
1217         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1218         overflow to N.
1219         (GOT_PREL): Change implemented to Y.
1220         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1221         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1222         (Arm_relocate_functions::movw_abs_nc): Remove method.
1223         (Arm_relocate_functions::movt_abs): Ditto.
1224         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1225         (Arm_relocate_functions::thm_movt_abs): Ditto.
1226         (Arm_relocate_functions::movw_rel_nc): Ditto.
1227         (Arm_relocate_functions::movw_rel): Ditto.
1228         (Arm_relocate_functions::movt_rel): Ditto.
1229         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1230         (Arm_relocate_functions:thm_movw_rel): Ditto.
1231         (Arm_relocate_functions:thm_movt_rel): Ditto.
1232         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1233         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1234         New method definitions.
1235         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1236         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1237         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1238         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1239         (Target_arm::Relocate::relocate): Check for non-static or
1240         unimplemented relocation code and exit early.  Change calls to
1241         Target_arm::reloc_uses_thumb_bit and
1242         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1243         instead.  Refactor code to handle similar relocations to increase
1244         code sharing.  Remove check for unsupported relocation code in switch
1245         statement.
1246         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1247         relocation property table to find out size.  Change error message to
1248         print out the name of a relocation code instead of the numeric value.
1249         (Target_arm::scan_reloc_for_stub): Use relocation property table
1250         instead of calling Target_arm::reloc_uses_thumb_bit().
1252 2010-02-02  Doug Kwan  <dougkwan@google.com>
1254         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1255         types of relaxed input section.
1257 2010-02-02  Doug Kwan  <dougkwan@google.com>
1259         * Makefile.am (HFILES): Add arm-reloc-property.h.
1260         (DEFFILES): New.
1261         (TARGETSOURCES): Add arm-reloc-property.cc
1262         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1263         (libgold_a_SOURCES): $(DEFFILES)
1264         * Makefile.in: Regenerate.
1265         * arm-reloc-property.cc: New file.
1266         * arm-reloc-property.h: New file.
1267         * arm-reloc.def: New file.
1268         * arm.cc: Update comments.
1269         (arm-reloc-property.h): New included header.
1270         (arm_reloc_property_table): New global variable.
1271         (Target_arm::do_select_as_default_target): New method definition.
1272         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1273         arm-reloc-property to targ_extra_obj.
1274         * parameters.cc (set_parameters_target): Call
1275         Target::select_as_default_target().
1276         * target.h (Target::select_as_default_target): New method definition.
1277         (Target::do_select_as_default_target): Same.
1279 2010-02-01  Doug Kwan  <dougkwan@google.com>
1281         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1282         first_output_text_section_.
1283         (Arm_exidx_fixup::first_output_text_section): New method definition.
1284         (Arm_exidx_fixup::first_output_text_section_): New data member.
1285         (Arm_exidx_fixup::process_exidx_section): Record the first text
1286         output section seen.
1287         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1288         and entsize in output section header.
1290 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1292         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1293         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1294         (Arm_relocate_functions::thm_alu11): New Method.
1295         (Arm_relocate_functions::thm_pc8): New Method.
1296         (Arm_relocate_functions::thm_pc12): New Method.
1297         (Target_arm::Scan::local): Handle the relocations.
1298         (Target_arm::Scan::global): Likewise.
1299         (Target_arm::Relocate::relocate): Likewise.
1300         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1302 2010-01-29  Doug Kwan  <dougkwan@google.com>
1304         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1305         of relocation types as ld.
1307 2010-01-29  Doug Kwan  <dougkwan@google.com>
1309         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1310         to public.
1311         (Arm_relocate_functions::thumb_branch_common): Ditto.
1312         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1313         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1314         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1315         Arm_relocate_functions::jump24): Remove.
1316         (Target_arm::Relocate::relocate): Adjust code to call
1317         Arm_relocation_functions::arm_branch_common and
1318         Arm_relocation_functions::thumb_branch_common instead of their removed
1319         wrappers.  Merge switch-cases together to reduce source code size.  
1321 2010-01-29  Doug Kwan  <dougkwan@google.com>
1323         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1324         output_local_symbol_count_needs_update_.
1325         (Arm_relobj::output_local_symbol_count_needs_update,
1326          Arm_relobj::set_output_local_symbol_count_needs_update,
1327          Arm_relobj::update_output_local_symbol_count): New methods.
1328         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1329         member.
1330         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1331         of pointed function as in a R_ARM_PREL31 relocation.
1332         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1333         for output local symbol count updating.
1334         (Target_arm::do_relax): Update output local symbol counts in objects
1335         if necessary.
1336         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1338 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1340         * arm.cc: Added support for the ARM relocations:
1341         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1342         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1343         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1344         movw_prel_nc).
1345         (Arm_relocate_functions::movw_rel): New method.
1346         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1347         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1348         thm_movw_prel_nc).
1349         (Arm_relocate_functions::thm_movw_rel): New method.
1350         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1351         thm_movt_prel).
1352         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1353         relocations.
1354         (Target_arm::Scan::global): Likewise.
1355         (Target_arm::Relocate::relocate): Likewise.
1356         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1357         Likewise.
1359 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1361         * arm.cc: Added support for ARM group relocations.
1362         (Target_arm::reloc_needs_sym_origin): New method.
1363         (Arm_relocate_functions::calc_grp_kn): New method.
1364         (Arm_relocate_functions::calc_grp_residual): New method.
1365         (Arm_relocate_functions::calc_grp_gn): New method.
1366         (Arm_relocate_functions::arm_grp_alu): New Method.
1367         (Arm_relocate_functions::arm_grp_ldr): New Method.
1368         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1369         (Arm_relocate_functions::arm_grp_ldc): New Method.
1370         (Target_arm::Scan::local): Handle the ARM group relocations.
1371         (Target_arm::Scan::global): Likewise.
1372         (Target_arm::Relocate::relocate): Likewise.
1373         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1374         Likewise.
1376 2010-01-26  Doug Kwan  <dougkwan@google.com>
1378         * arm.cc (set): Include.
1379         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1380         pointer type.
1381         (Arm_output_section::Text_section_list): New type.
1382         (Arm_output_section::append_text_sections_to_list): New method.
1383         (Arm_output_section::fix_exidx_coverage): Ditto.
1384         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1385         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1386         Relobj::set_section_offset() instead of
1387         Sized_relobj::invalidate_section_offset().
1388         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1389         parameter for section headers. Ignore relocation sections for
1390         unallocated sections and EXIDX sections.
1391         (Target_arm::fix_exidx_coverage): New method.
1392         (Target_arm::output_section_address_less_than): New type.
1393         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1394         linked text section instead of the EXIDX section.
1395         (Arm_output_section::create_stub_group): Add an assertion to check
1396         that this is not an EXIDX output section.
1397         (Arm_output_section::append_text_sections_to_list): New method.
1398         (Arm_output_section::fix_exidx_coverage): Ditto.
1399         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1400         Arm_relobj::section_needs_reloc_stub_scanning.
1401         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1402         first pass.
1403         (Target_arm::fix_exidx_coverage): New method.
1404         * object.h (Relobj::set_output_section): New method.
1405         (Sized_relobj::invalidate_section_offset): Remove method.
1406         (Sized_relobj::do_invalidate_section_offset): Remove method.
1407         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1409 2010-01-25  Doug Kwan  <dougkwan@google.com>
1411         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1412         Fix warning due to signed and unsigned comparison on a 32-bit host.
1414 2010-01-22  Doug Kwan  <dougkwan@google.com>
1416         * arm.cc (Target_arm::do_relax): Record an output section for section
1417         offset adjustment it contains any stub table that has changed.
1418         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1419         offsets in an output section if necessary.
1420         * output.cc (Output_section::Output_section): Initialize
1421         section_offsets_need_adjustments_.
1422         (Output_section::add_input_section_for_script): Renamed to
1423         Output_section::add_simple_input_section.
1424         (Output_section::save_states): Add a comment.
1425         (Output_section::discard_states): New method defintion.
1426         (Output_section::adjust_section_offsets): Same.
1427         * output.h (Output_section::add_input_section_for_script): Renamed to
1428         Output_section::add_simple_input_section.
1429         (Output_section::discard_states): New method declaration.
1430         (Output_section::adjust_section_offsets): Same.
1431         (Output_section::section_offsets_need_adjustment,
1432         Output_section::set_section_offsets_need_adjustment): New method
1433         definitions.
1434         (Output_section::section_offsets_need_adjustment_): New data member.
1435         * script-sections.cc
1436         (Output_section_element_input::set_section_address): Adjust code for
1437         renaming of Output_section::add_input_section_for_script.
1438         (Orphan_output_section::set_section_address): Same.
1440 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1442         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1443         Fix_v4bx enum values .
1444         * gold/options.h (General_options): New option definitions.
1445         (General_options::fix_v4bx): New method.
1446         (General_options::Fix_v4bx): New enum.
1447         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1448         (General_options::parse_fix_v4bx_interworking): New method.
1450 2010-01-22  Doug Kwan  <dougkwan@google.com>
1452         * arm.cc (Arm_exidx_fixup): New class.
1454 2010-01-21  Doug Kwan  <dougkwan@google.com>
1456         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1457         classes.
1458         (Arm_exidx_section_offset_map): New type.
1460 2010-01-21  Doug Kwan  <dougkwan@google.com>
1462         * arm.cc (Arm_exidx_input_section): New class.
1463         (Arm_relobj::exidx_input_section_by_link,
1464         Arm_relobj::exidx_input_section_by_shndx,
1465         Arm_relobj::make_exidx_input_section): New methods.
1466         (read_arm_attributes_section): Remove.
1467         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1468         information about them.
1469         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1470         to here.
1472 2010-01-20  Doug Kwan  <dougkwan@google.com>
1474         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1475         Input_section_specifier to Section_id.
1476         (Target_arm::new_arm_input_section: Adjust code for change of key
1477         type.
1478         (Target_arm::find_arm_input_section): Ditto.
1479         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1480         (Section_id): Remove.
1481         (Garbage_collection::Section_id_hash): Remove.
1482         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1483         (Section_id): Remove.
1484         (Icf::Section_id_hash): Remove.
1485         * object.h (Section_id, Const_section_id, Section_id_hash,
1486         Const_section_id_hash): New type definitions.
1487         * output.cc (Output_section::add_relaxed_input_section): Change to
1488         use Const_section_id instead of Input_section_specifier as key type.
1489         (Output_section::add_merge_input_section): Ditto.
1490         (Output_section::build_relaxation_map): Change to use Section_id
1491         instead of Input_section_specifier as key type.
1492         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1493         Ditto.
1494         (Output_section::convert_input_sections_to_relaxed_sections): Change
1495         to use Const_section_id instead of Input_section_specifier as key type.
1496         (Output_section::find_merge_section): Ditto.
1497         (Output_section::find_relaxed_input_section): Ditto.
1498         * output.h (Input_section_specifier): Remove class.
1499         (Output_section::Output_section_data_by_input_section_map): Change
1500         key type to Const_section_id.
1501         (Output_section::Output_relaxed_input_section_by_input_section_map):
1502         Ditto.
1503         (Output_section::Relaxation_map): Change key type to Section_id.
1505 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1507         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1508         (class Arm_v4bx_stub): New class.
1509         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1510         (Stub_factory::make_arm_v4bx_stub): New method.
1511         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1512         (Stub_table::empty): Handle v4bx stubs.
1513         (Stub_table::add_arm_v4bx_stub): New method.
1514         (Stub_table::find_arm_v4bx_stub): New method.
1515         (Arm_relocate_functions::v4bx): New method.
1516         (Target_arm::fix_v4bx): New method.
1517         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1518         (Stub_table::relocate_stubs): Likewise.
1519         (Stub_table::do_write): Likewise.
1520         (Stub_table::update_data_size_and_addralign): Likewise.
1521         (Stub_table::finalize_stubs):  Likewise.
1522         (Target_arm::Scan::local): Likewise.
1523         (Target_arm::Scan::global): Likewise.
1524         (Target_arm::do_finalize_sections): Likewise.
1525         (Target_arm::Relocate::relocate): Likewise.
1526         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1527         Likewise.
1528         (Target_arm::scan_reloc_for_stub): Likewise.
1529         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1531 2010-01-19  Ian Lance Taylor  <iant@google.com>
1533         * output.cc (Output_section_headers::do_sized_write): Write large
1534         segment count to sh_info field.
1535         (Output_file_header::do_sized_write): For large segment count,
1536         write PN_XNUM to e_phnum field.
1538 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1540         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1541         (Arm_relocate_functions::thm_jump8): New function.
1542         (Arm_relocate_functions::thm_jump11): New function.
1543         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1544         R_ARM_THM_JUMP11.
1545         (Target_arm::Scan::global): Likewise.
1546         (Target_arm::Relocate::relocate): Likewise.
1547         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1548         Likewise.
1550 2010-01-14  Doug Kwan  <dougkwan@google.com>
1552         * arm.cc (map, utility): Include headers.
1553         (Target_arm::apply_cortex_a8_workaround): New method.
1554         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1555         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1556         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1557         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1558         the --[no-]fix-cortex-a8 command line options.
1559         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1560         (Target_arm::relocate_stub): Use addend in instruction template.
1561         * options.h (DEFINE_bool): Set the user-set flag.
1562         (General_options): Add --[no-]-fix-cortex options.
1563         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1564         : Update fast look-up map after conversion. 
1566 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1568         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1569         in the first pass of do_layout.
1571 2010-01-13  Doug Kwan  <dougkwan@google.com>
1573         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1574         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1575         apparent compiler problem of not folding static constant integral
1576         data members of elfcpp::Elf_sizes<32>.
1578 2010-01-13  Doug Kwan  <dougkwan@google.com>
1580         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1581         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1582         Arm_relobj::scan_section_for_cortex_a8_erratum,
1583         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1584         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1585         sections to scan for relocation stubs into a new method
1586         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1587         relocation and Cortex-A8 stub scanning.
1588         (Target_arm::do_relax): Force stubs to be after stubbed sections
1589         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1590         the beginning of a new relaxation pass.  Update a comment. 
1591         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1593 2010-01-12  Ian Lance Taylor  <iant@google.com>
1595         * target-reloc.h (visibility_error): New inline function.
1596         (relocate_section): Call visibility_error.
1597         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1598         (MOSTLYCLEANFILES): Likewise.
1599         (protected_4_pic.o, protected_3.err): New targets.
1600         * testsuite/protected_4.cc: New file.
1602 2010-01-12  Doug Kwan  <dougkwan@google.com>
1604         * arm.cc (Cortex_a8_reloc): New class.
1605         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1606         and cortex_a8_relocs_info_.
1607         (Target_arm::fix_cortex_a8): New method definition.
1608         (Target_arm::Cortex_a8_relocs_info): New type.
1609         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1610         New data member declarations.
1611         (Target_arm::scan_reloc_for_stub): Record information about
1612         relocations for THUMB branches that might be exempted from the
1613         Cortex-A8 workaround.
1614         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1615         at the beginning of a relaxation pass.
1617 2010-01-12  Doug Kwan  <dougkwan@google.com>
1619         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1620         (Arm_relobj::Mapping_symbol_position,
1621          Arm_reloj::Mapping_symbol_position_less,
1622          Arm_relobj::Mapping_symbols_info): New types.
1623         (Target_arm::is_mapping_symbol_name): New method definition.
1624         (Arm_relobj::do_count_local_symbols): Save information about mapping
1625         symbols.
1627 2010-01-11  Doug Kwan  <dougkwan@google.com>
1629         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1630         Arm_relocate_functions::thumb32_branch_upper,
1631         Arm_relocate_functions::thumb32_branch_lower,
1632         Arm_relocate_functions::thumb32_cond_branch_offset,
1633         Arm_relocate_functions::thumb32_cond_branch_upper,
1634         Arm_relocate_functions::thumb32_cond_branch_lower,
1635         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1636         branch offset encoding.
1637         (Arm_relocate_functions::thumb_branch_common): Use new branch
1638         offset encoding methods to avoid code duplication.
1639         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1640         (Stub_addend_reader::operator()): Use new branch encoding method
1641         to avoid code duplication.
1643 2010-01-11  Doug Kwan  <dougkwan@google.com>
1645         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1646         (Target_arm::do_finalize_sections): Define special EXIDX section
1647         symbols only if referenced.
1648         * gc.h (Garbage_collection::add_reference): New method.
1649         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1650         code duplication.
1652 2010-01-11  Ian Lance Taylor  <iant@google.com>
1654         * script.cc (Version_script_info::build_expression_list_lookup):
1655         Change complaing about duplicate wildcard match from error to
1656         warning.
1658         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1659         of 2009-12-30.
1660         (Version_script_info::Version_script_info): Initialize globs_,
1661         default_version_, default_is_global_, and exact_.  Don't
1662         initialize globals_ or locals_.
1663         (Version_script_info::build_lookup_tables): Build local symbols
1664         first.
1665         (Version_script_info::unquote): New function.
1666         (Version_script_info::add_exact_match): New function.
1667         (Version_script_info::build_expression_list_lookup): Remove lookup
1668         parameter.  Add is_global parameter.  Change all callers.  Handle
1669         wildcard pattern specially.  Unquote pattern.  Call
1670         add_exact_match.
1671         (Version_script_info::get_name_to_match): New function.
1672         (Version_script_info::get_symbol_version): New function.
1673         (Version_script_info::get_symbol_version_helper): Remove.
1674         (Version_script_info::check_unmatched_names): Call unquote.
1675         * script.h (class Version_script_info): Change get_symbol_version
1676         to be non-inline and add is_global parameter; change all callers.
1677         Rewrite symbol_is_local.  Update declarations.  Define struct
1678         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1679         Remove globals_ and locals_ members.  Add exact_, globs_,
1680         default_version_, is_global_.
1681         (Version_script_info::Glob): Remove pattern, add expression and
1682         is_global.  Update constructor.  Change all callers.
1683         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1684         default version.
1685         (Versions::symbol_section_contents): If a symbol is undefined, or
1686         defined in a dynamic object, set the version index to
1687         VER_NDX_LOCAL.
1688         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1689         symbol_is_local.
1690         (Symbol_table::add_from_pluginobj): Likewise.
1691         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1693 2010-01-11  Doug Kwan  <dougkwan@google.com>
1695         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1696         (incremental_dump_LDADD): Add linking option for libintl.
1697         * Makefile.in: Regenerate.
1699 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1701         PR gold/11144
1702         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1703         instead of -Ds.
1704         * testsuite/Makefile.in: Regenerated.
1706 2010-01-10  Doug Kwan  <dougkwan@google.com>
1708         * options.h (DEFINE_var): Use parentheses around argument varname__
1709         in macro body to avoid any unintended subsequent substitutions.
1711 2010-01-10  Ian Lance Taylor  <iant@google.com>
1713         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1714         candidates before doing symbol resolution.
1716         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1717         ODR candidates if only one is weak.
1719 2010-01-08  Ian Lance Taylor  <iant@google.com>
1721         * script.cc (Version_script_info::build_expression_list_lookup):
1722         Don't warn about ambiguous version, just record the ambiguity.
1723         (Version_script_info::get_symbol_version_helper): Give error if
1724         version is ambiguous.
1726 2010-01-08  Doug Kwan  <dougkwan@google.com>
1728         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1729           prev_data_size_ and prev_addralign_.  Remove initializer for
1730           deleted data member has_been_changed_.
1731           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1732           to determine if the table is empty.
1733           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1734           Remove.
1735           (Stub_table::add_reloc_stub): Define method in class definition
1736           instead of just declaring it there.
1737           (Stub_table::add_cortex_a8_stub): New method definition.
1738           (Stub_table::update_data_size_and_addralign): Ditto.
1739           (Stub_table::finalize_stubs): Ditto.
1740           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1741           (Stub_table::do_addralign_): Return address alignment in the
1742           (Stub_table::do_reset_address_and_file_offset): Define method in
1743           class definition instead of declaring it there.  Set current data
1744           size to be the data size of the previous pass.
1745           (Stub_table::set_final_data_size): Use current data size as the
1746           final data size.
1747           (Stub_table::relocate_stub): Change parameter type of stub from
1748           Reloc_stub pointer to Stub pointer.
1749           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1750           (Stub_table::Cortex_a8_stub_list): New typedef.
1751           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1752            Stub_table::prev_addralign_): New data member.
1753           (Arm_relobj::Arm_relobj): Initialize data member
1754           section_has_cortex_a8_workaround_.
1755           (Arm_relobj::section_has_cortex_a8_workaround,
1756            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1757            definitions.
1758           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1759           declarations.
1760           (Target_arm::relocate_stub): Change parameter type of stub from
1761           Reloc_stub pointer to Stub pointer.
1762           (Insn_template::size, Insn_template::alignment): Handle
1763           THUMB16_SPECIAL_TYPE.
1764           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1765            Stub_table::update_data_size_and_addralign,
1766            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1767           definitions.
1768           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1769           (Stub_table::do_write): Ditto.
1770           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1772 2010-01-08  Ian Lance Taylor  <iant@google.com>
1774         PR 11108
1775         * symtab.h (class Symbol): Remove fields is_target_special_ and
1776         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1777         (Symbol::is_defined_in_discarded_section): New function.
1778         (Symbol::set_is_defined_in_discarded_section): New function.
1779         (Symbol::has_plt_offset): Rewrite.
1780         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1781         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1782         Don't initialize is_target_special_ or has_plt_offset_.
1783         Initialize is_defined_in_discarded_section_.
1784         (Symbol_table::add_from_relobj): If appropriate, set
1785         is_defined_in_discarded_section.
1786         * resolve.cc (Symbol::override_base_with_special): Don't test
1787         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1788         * target-reloc.h (relocate_section): Do special handling for
1789         symbols defined in discarded sections for global symbols as well
1790         as local symbols.
1792 2010-01-08  Ian Lance Taylor  <iant@google.com>
1794         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1795         the SHT_SYMTAB case.
1797 2010-01-08  Ian Lance Taylor  <iant@google.com>
1799         * object.cc (Sized_relobj::do_layout): Don't get confused if
1800         layout_eh_frame returns NULL.
1802 2010-01-08  Ian Lance Taylor  <iant@google.com>
1804         PR 11084
1805         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1806         dynamic symbol table, use the normal symbol table.
1807         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1808         symbol table.
1810 2010-01-08  Ian Lance Taylor  <iant@google.com>
1812         PR 11072
1813         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1814         sections.
1816 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1818         * version.cc (print_version): Change to "Copyright 2010".
1820 2010-01-08  Ian Lance Taylor  <iant@google.com>
1822         PR 10287
1823         PR 11063
1824         * i386.cc (class Target_i386): Change return type of plt_section
1825         to be non-const.
1826         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1827         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1828         tls_desc_rel_ field.
1829         (Output_data_plt_i386::rel_tls_desc): New function.
1830         (Target_i386::rel_tls_desc_section): New function.
1831         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1832         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1833         R_386_TLS_DESC reloc in rel_tls_desc_section.
1834         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1835         Define struct Tlsdesc_info.
1836         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1837         (Target_x86_64::do_reloc_symbol_index): New function.
1838         (Target_x86_64::add_tlsdesc_info): New function.
1839         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1840         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1841         tlsdesc_rel_ field.
1842         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1843         all callers.
1844         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1845         (Target_x86_64::rela_tlsdesc_section): New function.
1846         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1847         handling.
1848         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1849         (Target_x86_64::do_reloc_addend): New function.
1850         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1851         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1852         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1853         (Output_reloc::type): New function.
1854         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1855         (Output_reloc::is_target_specific): New function.
1856         (Output_reloc::target_arg): New function.
1857         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1858         absolute relocs and target specific relocs.
1859         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1860         add_target_specific.
1861         (class Output_data_reloc) [SHT_RELA]: Likewise.
1862         * output.cc (Output_reloc::Output_reloc): Add four new versions
1863         for absolute relocs and target specific relocs.
1864         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1865         (Output_reloc::get_symbol_index): Likewise.
1866         (Output_reloc::local_section_offset): Check that local_sym_index_
1867         is not TARGET_CODE or 0.
1868         (Output_reloc::symbol_value): Likewise.
1869         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1870         reloc.
1871         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1872         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1873         functions.
1874         * layout.cc (add_target_dynamic_tags): Use output section for
1875         DT_PLTRELSZ and DT_JMPREL.
1877 2010-01-07  Ian Lance Taylor  <iant@google.com>
1879         PR 11061
1880         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1881         function.
1882         (class Output_data_reloc_generic): Define.
1883         (class Output_data_reloc_base): Change base class to
1884         Output_data_reloc_generic.  Change add() method to call
1885         bump_relative_reloc_count for a relative reloc.  Remove
1886         sort_relocs_ field.
1887         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1888         to sort_relocs().
1889         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1890         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1891         appropriate.
1892         * layout.h (class Layout): Update declaration.
1894 2010-01-07  Ian Lance Taylor  <iant@google.com>
1896         * output.h (class Output_data): Add const version of
1897         output_section and do_output_section.
1898         (class Output_section_data): Add const version of
1899         do_output_section.
1900         (class Output_section): Likewise.
1901         * layout.cc (Layout::add_target_dynamic_tags): New function.
1902         * layout.h (class Layout): Update declarations.
1903         * arm.cc (Target_arm::do_finalize_sections): Use
1904         add_target_dynamic_tags.
1905         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1906         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1907         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1908         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1910 2010-01-07  Ian Lance Taylor  <iant@google.com>
1912         PR 11042
1913         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1914         object as needed.
1916 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1917             Ian Lance Taylor  <iant@google.com>
1919         PR 11019
1920         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1921         Xindex::read_symtab_xindex.
1923 2010-01-07  Doug Kwan  <dougkwan@google.com>
1925         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1926         (Insn_template::thumb16_bcond_insn): New method declaration.
1927         (Insn_template): Fix spelling.
1928         (Stub::thumb16_special): New method declaration.
1929         (Stub::do_write): Define virtual method which was previously pure
1930         virtual.
1931         (Stub::do_thumb16_special): New method declaration.
1932         (Stub::do_fixed_endian_write): New template member.
1933         (Reloc_stub::do_write): Remove.
1934         (Reloc_stub::do_fixed_endian_write): Remove.
1935         (Cortex_a8_stub): New class definition.
1936         (Stub_factory::make_cortex_a8_stub): New method definition.
1937         (Stub_factory::Stub_factory): Add missing static storage class
1938         qualifier for elf32_arm_stub_a8_veneer_blx.
1940 2010-01-07  Ian Lance Taylor  <iant@google.com>
1942         PR 10980
1943         * options.h (class General_options): Add --warn-unresolved-symbols
1944         and --error-unresolved-symbols.
1945         * errors.cc (Errors::undefined_symbol): Implement
1946         --warn-unresolved-symbols.
1948         * options.h (class General_options): Add -z text and -z textoff.
1949         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1951 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
1953         * gc.h (Garbage_collection::Cident_section_map): New typedef.
1954         (Garbage_collection::cident_sections): New function.
1955         (Garbage_collection::add_cident_section): New function.
1956         (Garbage_collection::cident_sections_): New member.
1957         (gc_process_relocs): Add references to sections whose names are C
1958         identifiers.
1959         * gold.h (cident_section_start_prefix): New constant.
1960         (cident_section_stop_prefix): New constant.
1961         (is_cident): New function.
1962         * layout.cc (Layout::define_section_symbols): Replace string constants
1963         with the newly defined constants.
1964         * object.cc (Sized_relobj::do_layout): Track sections whose names are
1965         C identifiers.
1966         * testsuite/Makefile.am: Add gc_orphan_section_test.
1967         * testsuite/Makefile.in: Regenerate.
1968         * testsuite/gc_orphan_section_test.cc: New file.
1969         * testsuite/gc_orphan_section_test.sh: New file.
1971 2010-01-06  Ian Lance Taylor  <iant@google.com>
1973         PR 10980
1974         * options.h (class General_options): Add --warn-shared-textrel.
1975         * layout.cc (Layout::finish_dynamic_section): Implement
1976         --warn-shared-textrel.
1978         PR 10980
1979         * options.h (class General_options): Add --warn-multiple-gp.
1981 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1983         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1984         $(THREADSLIB) and $(LIBDL).
1985         * Makefile.in: Rebuild.
1987 2010-01-06  Ian Lance Taylor  <iant@google.com>
1989         PR 10980
1990         * options.cc (General_options::parse_section_start): New function.
1991         (General_options::section_start): New function.
1992         (General_options::General_options): Initialize all members.
1993         * options.h: Include <map>
1994         (class General_options): Add --section-start.  Add section_starts_
1995         member.
1996         * layout.cc (Layout::attach_allocated_section_to_segment): If
1997         --section-start was used, set the address of the segment.  Remove
1998         local sort_sections.
1999         (Layout::relaxation_loop_body): If the address of the load segment
2000         has been set by --section-start, don't use it.
2001         * output.h (Output_segment::update_flags_for_output_section): New
2002         function.
2003         * output.cc (Output_segment::add_output_section): Call
2004         update_flags_for_output_section.
2006 2010-01-05  Ian Lance Taylor  <iant@google.com>
2008         PR 10980
2009         * options.h (class General_options): Add --undefined-version.
2010         * script.cc (struct Version_expression): Add was_matched_by_symbol
2011         field.
2012         (Version_script_info::matched_symbol): New function.
2013         (Version_script_info::get_symbol_version_helper): Call
2014         matched_symbol.
2015         (Version_script_info::check_unmatched_names): New function.
2016         * script.h (class Version_script_info): Update declarations.
2017         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2019         * options.h (class General_options): Use DEFINE_bool_alias for
2020         allow_multiple_definition.
2021         * resolve.cc (Symbol_table::should_override): Don't test
2022         allow_multiple_definition.
2024         PR 10980
2025         * options.h (class General_options): Add --cref.
2026         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2027         until after printing cref table.
2028         * cref.cc: Include "symtab.h".
2029         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2030         (Cref_table_compare::operator()): New function.
2031         (Cref_inputs::gather_cref): New function.
2032         (filecol): New static const.
2033         (Cref_inputs::print_cref): New function.
2034         (Cref::print_cref): New function.
2035         * cref.h: Include <cstdio>.
2036         (class Cref): Update declarations.
2037         * mapfile.h (Mapfile::file): New function.
2038         * object.h (class Object): Define Symbols.  Declare virtual
2039         do_get_global_symbols.
2040         (Object::get_global_symbols): New function.
2041         * object.cc (Input_objects::add_object): Pass object to cref_ if
2042         --cref.
2043         (Input_objects::archive_start): Likewise.
2044         (Input_objects::archive_stop): Likewise.
2045         (Input_objects::print_cref): New function.
2046         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2047         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2048         --cref.
2049         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2050         function.
2051         * plugin.h (class Sized_pluginobj): Update declarations.
2053 2010-01-05  Ian Lance Taylor  <iant@google.com>
2055         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2056         to is_default_version.  Rename insdef to insdefault.
2057         (Symbol_table::add_from_relobj): Rename def to is_default_version
2058         and local to is_forced_local.
2059         (Symbol_table::add_from_pluginobj): Likewise.
2060         (Symbol_table::add_from_dynobj): Likewise.
2061         (Symbol_table::define_special_symbol): Rename insdef to
2062         insdefault.
2064 2010-01-04  Ian Lance Taylor  <iant@google.com>
2066         PR 10980
2067         * options.h (class General_options): Add
2068         --allow-multiple-definition and -z muldefs.
2069         * resolve.cc (Symbol_table::should_override): Don't warn about a
2070         multiple symbol definition if --allow-multiple-definition or -z
2071         muldefs.
2073         PR 10980
2074         * options.h (class General_options): Add --add-needed and
2075         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2076         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2077         error if --copy-dt-needed-entries aka --add-needed is used and
2078         would cause a change in behaviour.
2080         PR 10980
2081         * options.h (class General_options): Add -G as a short version of
2082         --shared.  Add no-op options -assert, -g, and -i.
2084 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2086         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2087         check for .text or .gnu.linkonce.t sections.
2088         * icf.cc (Icf::find_identical_sections): Ditto.
2089         Change the detection for mangled function name within the section
2090         name.
2091         * icf.h (is_section_foldable_candidate): New function.
2093 2009-12-30  Ian Lance Taylor  <iant@google.com>
2095         PR 10980
2096         * options.h (class General_options): Permit two dashes with
2097         --retain-symbols-file.
2099 2009-12-30  Ian Lance Taylor  <iant@google.com>
2101         PR 10979
2102         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2103         don't put the file header and segment headers in the text
2104         segment.
2106         PR 10979
2107         * common.cc (Sort_commons::operator()): Stabilize sort when both
2108         entries are NULL.
2109         (Symbol_table::do_allocate_commons_list): When allocating common
2110         symbols, skip a symbol which is no longer common.
2111         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2112         an object before checking its type.
2113         * testsuite/common_test_2.c: New file.
2114         * testsuite/common_test_3.c: New file.
2115         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2116         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2117         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2118         (common_test_2_pic.o, common_test_2.so): New targets.
2119         (common_test_3_pic.o, common_test_3.so): New targets.
2120         * testsuite/Makefile.in: Rebuild.
2122         PR 10979
2123         * script.cc (read_input_script): If we see a new SECTIONS clause,
2124         and we have added an input section, give an error.
2125         * layout.h (class Layout): Add have_added_input_section function.
2126         Add have_added_input_section_ field.
2127         * layout.cc (Layout::Layout): Initialize
2128         have_added_input_section_.
2129         (Layout::layout): Set have_added_input_section_.
2130         (Layout::layout_eh_frame): Likewise.
2132 2009-12-30  Ian Lance Taylor  <iant@google.com>
2134         PR 10931
2135         * options.h (class General_options): Add --sort-common option.
2136         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2137         * common.cc (Sort_common): Add sort_order parameter to
2138         constructor.  Add sort_order_ field.
2139         (Sort_commons::operator): Check sort_order_.
2140         (Symbol_table::allocate_commons): Determine the sort order.
2141         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2142         Change all callers.
2143         (Symbol_table::do_allocate_commons_list): Likewise.
2145 2009-12-30  Ian Lance Taylor  <iant@google.com>
2147         PR 10916
2148         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2149         symbols from this object, don't change the visibility of an
2150         undefined symbol.
2151         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2153 2009-12-30  Ian Lance Taylor  <iant@google.com>
2155         PR 10861
2156         * script.h (class Version_script_info): Define Language enum.
2157         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2158         new fields globals_, locals_, and is_finalized_.
2159         * script.cc: Various formatting fixes.
2160         (class Parser_closure): Change language_stack_ from a vector of
2161         std::string to one of Version_script_info::Language.  Adjust all
2162         uses accordingly.
2163         (class Lazy_demangler): Remove.
2164         (struct Version_expression): Change language from std::string to
2165         Version_script_info::Language.
2166         (Version_script_info::Version_script_info): New function.
2167         (Version_script_info::~Version_script_info): Don't call clear.
2168         (Version_script_info::finalize): New function.
2169         (Version_script_info::build_lookup_tables): New function.
2170         (Version_script_info::build_expression_list_lookup): New
2171         function.
2172         (Version_script_info::get_symbol_version_helper): Rewrite to use
2173         lookup tables.
2174         (Version_script_info::print_expression_list): Adjust to use
2175         Version_script_info::Language.
2176         (script_push_lex_into_version_mode): Check that the version script
2177         has not been finalized.
2178         (version_script_push_lang): Change language string to
2179         Version_script_info::Language.
2180         * options.cc (Command_line::version_script): New function.
2181         * options.h (class General_options): Add finalize_dynamic_list
2182         function.  Change version_script from declaration to definition.
2183         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2184         * testsuite/version_script.map: Remove duplicate def of foo.
2185         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2186         version_script.map.
2187         * testsuite/Makefile.in: Rebuild.
2189 2009-12-30  Ian Lance Taylor  <iant@google.com>
2191         PR 10843
2192         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2193         if the input symbol index is 0, make the output symbol index 0.
2195 2009-12-30  Ian Lance Taylor  <iant@google.com>
2197         PR 10670
2198         * options.h (class General_options): Add -x/--discard-all.
2199         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2200         --discard-all.  If the local symbol needs a dynamic entry, check
2201         that before handling --discard-locals.
2203 2009-12-30  Ian Lance Taylor  <iant@google.com>
2205         PR 10450
2206         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2207         flags to PF_R.
2208         (Output_segment::add_output_section): Don't change the flags if
2209         the type is PT_TLS.
2211         PR 10450
2212         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2213         GNU hash table if they need a dynamic value.  Otherwise, don't add
2214         them if they are defined in a dynamic object or are forced local.
2216 2009-12-29  Ian Lance Taylor  <iant@google.com>
2218         PR 10450
2219         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2220         .gnu.hash table for a 32-bit target.
2222         PR 10450
2223         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2224         regular and a dynamic object only needs a dynamic symbol table
2225         entry if it is externally visible.
2227         PR 10450
2228         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2229         constructor.  Add global_offset_table_ field.
2230         (Target_i386::got_section): Set global_offset_table_.
2231         (Target_i386::do_finalize_sections): Set global_offset_table_
2232         size.
2233         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2234         in constructor.  Add global_offset_table_ field.
2235         (Target_x86_64::got_section): Set global_offset_table_.
2236         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2237         size.
2239         * layout.cc (Layout::Layout): Initialize increase_relro_.
2240         (Layout::get_output_section): Add is_relro, is_last_relro, and
2241         is_first_non_relro parameters.  Change all callers.
2242         (Layout::choose_output_section): Likewise.
2243         (Layout::add_output_section_data): Likewise.
2244         (Layout::make_output_section): Likewise.
2245         (Layout::set_segment_offsets): Clear increase_relro when using a
2246         linker script.
2247         * layout.h (class Layout): Add increase_relro method.  Add
2248         increase_relro_ field.  Update declarations.
2249         * output.cc (Output_section::Output_section): Initialize
2250         is_last_relro_ and is_first_non_relro_.
2251         (Output_segment::add_output_section): Group relro sections is
2252         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2253         (Output_segment::maximum_alignment): Remove relro handling.
2254         (Output_segment::set_section_addresses): Add increase_relro
2255         parameter.  Change all callers.  Add initial alignment to align
2256         relro sections on separate page.  Remove old relro handling.
2257         (Output_segment::set_section_list_addresses): Remove in_relro
2258         parameter.  Change all callers.
2259         (Output_segment::set_offset): Add increase parameter.  Change all
2260         callers.  Remove old relro handling.
2261         * output.h (class Output_section): Add new methods: is_last_relro,
2262         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2263         Add is_last_relro_ and is_first_non_relro_ fields.
2264         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2265         Create separate .got.plt section.  Call increase_relro.
2266         * x86_64.cc (Target_x86_64::got_section): Likewise.
2267         * testsuite/relro_script_test.t: Add .got.plt.
2269         PR 10450
2270         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2271         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2272         (Layout::finalize): Call set_dynamic_symbol_size.
2273         (Layout::set_dynamic_symbol_size): New function.
2274         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2275         set_dynamic_symbol_size.
2277         PR 10450
2278         * output.h (class Output_section): Add is_entsize_zero_ field.
2279         * output.cc (Output_section::Output_section): Initialize
2280         is_entsize_zero_.
2281         (Output_section::set_entsize): If two different entsizes are
2282         requested, force it to zero.
2283         (Output_section::add_input_section): Set flags for .debug_str
2284         before updating section flags.  Set entsize.
2285         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2286         and SHF_STRING if all input sections have those flags.
2288 2009-12-29   Rafael Espindola  <espindola@google.com>
2290         * main.cc (main): Fix the sys time reporting.
2291         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2292         reporting.
2294 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2296         * options.cc (General_options::parse_version): Allow -v to exit
2297         without an error if there is nothing to link.
2299 2009-12-29  Ian Lance Taylor  <iant@google.com>
2301         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2302         using a version of gcc before 4.1.
2303         * configure: Rebuild.
2305 2009-12-28  Chris Demetriou  <cgd@google.com>
2307         * attributes.cc (Output_attributes_section_data::do_write): Use
2308         std::vector::front rather than std::vector::data.
2310 2009-12-28  Ian Lance Taylor  <iant@google.com>
2312         * symtab.h (class Symbol_table): Add enum Defined.
2313         * resolve.cc (Symbol_table::should_override): Add defined
2314         parameter.  Change all callers.  Test whether object is NULL
2315         before calling a method on it.
2316         (Symbol_table::report_resolve_problem): Add defined parameter.
2317         Change all callers.
2318         (Symbol_table::should_override_with_special): Likewise.
2319         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2320         parameter.  Change all callers.
2321         (Symbol_table::do_define_in_output_data): Likewise.
2322         (Symbol_table::define_in_output_segment): Likewise.
2323         (Symbol_table::do_define_in_output_segment): Likewise.
2324         (Symbol_table::define_as_constant): Likewise.
2325         (Symbol_table::do_define_as_constant): Likewise.
2326         * script.h (class Symbol_assignment): Add is_defsym parameter to
2327         constructor; change all callers.
2328         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2329         parameter.  Change all callers.  Add is_defsym_ field.
2330         (class Parser_closure): Add parsing_defsym parameter to
2331         constructor; change all callers.  Add parsing_defsym accessor
2332         function.  Add parsing_defsym_ field.
2334 2009-12-28  Ian Lance Taylor  <iant@google.com>
2336         * gold.cc (queue_middle_tasks): Fix formatting.
2337         * object.cc (Relobj::is_section_name_included): Likewise.
2339 2009-12-23  Ian Lance Taylor  <iant@google.com>
2341         * i386.cc (Target_i386::do_calls_non_split): Recognize
2342         -fsplit-stack prologue for a function with a static chain.
2343         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2344         -fsplit-stack prologue when using %r11.
2346 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2348         * options.cc (General_options::parse_version): Make -v continue and do
2349         the link like GNU ld does.
2351 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2353         * Makefile.am (CCFILES): Add timer.cc.
2354         (HFILES): Add timer.h.
2355         * configure.ac: Check for sysconf and times.
2356         * main.cc: include timer.h.
2357         (main): Use Timer instead of get_run_time.
2358         * timer.cc: New.
2359         * timer.h: New.
2360         * workqueue.cc: include timer.h.
2361         (Workqueue::find_and_run_task):
2362         Report user, sys and wall time.
2363         * Makefile.in: Regenerate.
2364         * config.in: Regenerate.
2365         * configure: Regenerate.
2367 2009-12-16  Doug Kwan  <dougkwan@google.com>
2369         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2370         sections.
2371         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2372         relaxed input sections.
2373         * output.cc (Output_section::find_relaxed_input_section): Change
2374         return type to Output_relaxed_input_section pointer.  Adjust code
2375         for new type of relaxed_input_section_map_.
2376         * output.h (Output_section::find_relaxed_input_section): Change
2377         return type to Output_relaxed_input_section pointer.
2378         (Output_section::Output_relaxed_input_section_by_input_section_map):
2379         New type.
2380         (Output_section::relaxed_input_section_map_): Change type to
2381         Output_section::Output_relaxed_input_section_by_input_section_map.
2382         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2383         input section.
2385 2009-12-15  Ian Lance Taylor  <iant@google.com>
2387         * layout.cc (Layout::create_shstrtab): Only write out after input
2388         sections if we are compressing debug sections.
2390 2009-12-15  Ian Lance Taylor  <iant@google.com>
2392         * archive.cc (Archive::add_symbols): Only look up a symbol without
2393         a version if there is, in fact, a version.
2395 2009-12-14  Ian Lance Taylor  <iant@google.com>
2397         Revert -Wshadow changes, all changes from:
2398         2009-12-11  Doug Kwan  <dougkwan@google.com>
2399         2009-12-11  Nick Clifton  <nickc@redhat.com>
2400         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2402 2009-12-11  Doug Kwan  <dougkwan@google.com>
2404         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2405         due to -Wshadow.
2406         * attributes.cc (Object_attribute::size): Ditto.
2407         (Attributes_section_data::size): Ditto.
2408         (Attributes_section_data::Attributes_section_data): Ditto.
2409         (Output_attributes_section_data::do_write): Ditto.
2410         * attributes.h (Object_attribute::set_type): Ditto.
2411         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2413 2009-12-11  Nick Clifton  <nickc@redhat.com>
2415         * archive.cc: Fix shadowed variable warnings.
2416         * arm.cc: Likewise.
2417         * compressed_output.cc: Likewise.
2418         * compressed_output.h: Likewise.
2419         * configure: Likewise.
2420         * dwarf_reader.cc: Likewise.
2421         * dynobj.cc: Likewise.
2422         * dynobj.h: Likewise.
2423         * ehframe.cc: Likewise.
2424         * ehframe.h: Likewise.
2425         * errors.cc: Likewise.
2426         * expression.cc: Likewise.
2427         * fileread.cc: Likewise.
2428         * fileread.h: Likewise.
2429         * freebsd.h: Likewise.
2430         * i386.cc: Likewise.
2431         * icf.cc: Likewise.
2432         * incremental.h: Likewise.
2433         * layout.cc: Likewise.
2434         * layout.h: Likewise.
2435         * mapfile.cc: Likewise.
2436         * merge.cc: Likewise.
2437         * merge.h: Likewise.
2438         * object.cc: Likewise.
2439         * object.h: Likewise.
2440         * options.h: Likewise.
2441         * output.cc: Likewise.
2442         * output.h: Likewise.
2443         * parameters.cc: Likewise.
2444         * plugin.cc: Likewise.
2445         * powerpc.cc: Likewise.
2446         * reduced_debug_output.cc: Likewise.
2447         * reduced_debug_output.h: Likewise.
2448         * reloc.cc: Likewise.
2449         * reloc.h: Likewise.
2450         * resolve.cc: Likewise.
2451         * script-sections.cc: Likewise.
2452         * script.cc: Likewise.
2453         * script.h: Likewise.
2454         * sparc.cc: Likewise.
2455         * symtab.cc: Likewise.
2456         * symtab.h: Likewise.
2457         * target-select.cc: Likewise.
2458         * target-select.h: Likewise.
2459         * token.h: Likewise.
2460         * workqueue.cc: Likewise.
2461         * workqueue.h: Likewise.
2462         * x86_64.cc: Likewise.
2464 2009-12-10  Doug Kwan  <dougkwan@google.com>
2466         * arm.cc (attributes.h): New include.
2467         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2468         (Arm_relobj::~Arm_relobj): Delete object pointed by
2469         attributes_section_data_.
2470         (Arm_relobj::attributes_section_data): New method definition.
2471         (Arm_relobj::attributes_section_data_): New data member declaration.
2472         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2473         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2474         attributes_section_data_.
2475         (Arm_dynobj::attributes_section_data): New method definition.
2476         (Arm_dynobj::attributes_section_data_): New data member declaration.
2477         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2478         initialization value of may_use_blx_ to false.
2479         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2480         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2481         object attributes to compute results instead of hard-coding.
2482         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2483         Target_arm::get_secondary_compatible_arch,
2484         Target_arm::set_secondary_compatible_arch
2485         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2486         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2487         New method declarations.
2488         (Target_arm::get_aeabi_object_attribute): New method definition.
2489         (Target_arm::attributes_section_data_): New data member declaration.
2490         (read_arm_attributes_section): New template definition.
2491         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2492         (Arm_dynobj::do_read_symbols): Ditto.
2493         (Target_arm::do_finalize_sections): Merge attributes sections from
2494         input.  Check for BLX use after attributes section merging.
2495         Fix __exidx_start and __exidx_end visibility.  Create an
2496         .ARM.attributes section if necessary.
2497         (Target_arm::get_secondary_compatible_arch,
2498         Target_arm::set_secondary_compatible_arch,
2499         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2500         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2501         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2502         New method definitions.
2504 2009-12-09  Ian Lance Taylor  <iant@google.com>
2506         * plugin.cc (Plugin::load): Don't cast from void* to a function
2507         pointer.
2509 2009-12-09  Ian Lance Taylor  <iant@google.com>
2511         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2512         information fields.
2514 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2516         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2517         Replace two_file_shared_1.so with two_file_shared_2.so.
2518         * testsuite/Makefile.in: Regenerated.
2520 2009-12-08  Doug Kwan  <dougkwan@google.com>
2522         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2523         (HFILES): Add attributes.h and int_encoding.h.
2524         * Makefile.in: Regenerate.
2525         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2526         function definitions to int_encoding.cc
2527         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2528         prototypes to int_encoding.h
2529         * reduced_debug_output.cc (int_encoding.h): New include.
2530         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2531         function definitions to int_encoding.cc
2532         (insert_into_vector, read_from_pointer): Move template definitions to
2533         int_encoding.h
2534         * attributes.cc: New file.
2535         * attributes.h: New file.
2536         * int_encoding.cc: New file.
2537         * int_encoding.h: New file.
2539 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2541         PR gold/11055
2542         * incremental-dump.cc (dump_incremental_inputs): New.
2543         (main): Use dump_incremental_inputs.
2545 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2547         PR gold/10893
2548         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2549         checking elfcpp::STT_FUNC.
2550         (Target_i386::Relocate::relocate): Likewise.
2551         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2553         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2554         symbols from shared libraries into normal FUNC symbols.
2556         * symtab.h (Symbol): Add is_func and use it.
2558 2009-12-05  Doug Kwan  <dougkwan@google.com>
2560         * arm.cc (Target_arm::arm_info): Initialize new fields
2561         attributes_section and attributes_vendor.
2562         * i386.cc (Target_i386::i386_info): Same.
2563         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2564         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2565         fields attributes_section and attributes_vendor.
2566         * sparc.cc (Target_sparc::sparc_info): Same.
2567         * target.h (Target::attributes_section, Target::attributes_vendor,
2568         Target::is_attributes_section, Target::attribute_arg_type,
2569         Target::attributes_order): New method definitions.
2570         (Target::Target_info::attributes_section,
2571         Target::Target_info::attributes_vendor): New fields.
2572         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2573         virtual method definitions.
2574         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2575         attributes_section and attributes_vendor.
2576         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2578 2009-12-05  Doug Kwan  <dougkwan@google.com>
2580         * arm.cc: Update comments about interworking and stub generation.
2581         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2582         considered as non-PIC.
2583         (Arm_relocate_functions::base_abs): Fix formatting.
2584         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2585         of function to use GOT entry address instead of offset.
2586         (Target_arm::Scan::global): Issue an error if a symbol would need a
2587         PLT does not get one because it is untyped.  Remove code to create
2588         dynamic symbols for relative branches.
2589         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2590         takes unsigned integer instead of boolean.
2592 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2594         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2595         (two_file_test_LDADD): Likewise.
2596         (common_test_1_LDADD): Likewise.
2597         (exception_test_LDADD) Likewise.
2598         (weak_test_LDADD): Likewise.
2599         (many_sections_test_LDADD): Likewise.
2600         (initpri1_LDADD): Likewise.
2601         (script_test_1_LDADD): Likewise.
2602         (script_test_2_LDADD): Likewise.
2603         (justsyms_LDADD): Likewise.
2604         (binary_test_LDADD): Likewise.
2605         (large_LDADD): Likewise.
2606         * testsuite/Makefile.in: Regenerated.
2608 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2610         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2611         (Symbol_table::override_with_special): Likewise.
2612         (Symbol_table::add_from_object): Likewise.
2614 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2616         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2617         Don't set the data_offset twice.
2619 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2621         * testsuite/Makefile.in: Regenerate.
2623 2009-12-03  Doug Kwan  <dougkwan@google.com>
2625         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2626         (Target_arm::do_finalize_sections): Add parameter for symbol table
2627         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2628         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2629         parameter for symbol table pointer.
2630         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2631         an additional parameter for a pointer to symbol table.
2632         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2633         parameter for a symbol table pointer.
2634         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2635         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2636         Ditto.
2637         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2638         parameter for a symbol table pointer.
2640 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2642         * incremental.cc (Incremental_inputs_header)
2643         (Incremental_inputs_header_write, Incremental_inputs_entry)
2644         (Incremental_inputs_entry_write): Move ...
2645         * incremental.h (Incremental_inputs_header)
2646         (Incremental_inputs_header_write, Incremental_inputs_entry)
2647         (Incremental_inputs_entry_write): here.
2649 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2651         * incremental.cc (make_sized_incremental_binary): Set the target.
2652         Error if it is incompatible.
2653         * output.h (Output_file): Add filename method.
2655 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2657         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2658         from the get_* methods.
2660 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2662         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2663         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2664         Write 0 for the data_offset of scripts.
2666 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2668         * testsuite/Makefile.am: Add the incremental_test.sh test.
2669         * testsuite/incremental_test.sh: New.
2670         * testsuite/incremental_test_1.c: New.
2671         * testsuite/incremental_test_2.c: New.
2673 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2675        * incremental-dump.cc (main): Fix typos.
2677 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2679         PR gold/11025
2680         * incremental-dump.cc (main): Use llu to print 64 bit values.
2682 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2683             H.J. Lu  <hongjiu.lu@intel.com>
2685         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2686         $(LIBDL).
2687         (incremental_dump_LDADD): Likewise.
2688         * Makefile.in: Regenerated.
2690 2009-11-25  Doug Kwan  <dougkwan@google.com>
2691         
2692         Revert:
2694         2009-11-25  Doug Kwan  <dougkwan@google.com>
2696                 * arm.cc (Target_arm::Target_arm): Move method definition
2697                 outside of class definition.  Add code to handle
2698                 --target1-rel, --target1-abs and --target2= options.
2699                 (Target_arm::get_reloc_reloc_type): Change method to be
2700                 non-static and const.
2701                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2702                 New data member declaration.
2703                 (Target_arm::Scan::local, Target_arm::Scan::global,
2704                 Target_arm::Relocate::relocate,
2705                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2706                 Adjust call to Target_arm::get_real_reloc_type.
2707                 (Target_arm::get_real_reloc_type): Use command line options
2708                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2709                 * options.h (--target1-rel, --target1-abs, --target2): New
2710                 ARM-only options.
2712 2009-11-25  Doug Kwan  <dougkwan@google.com>
2714         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2715         class definition.  Add code to handle --target1-rel, --target1-abs
2716         and --target2= options.
2717         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2718         and const.
2719         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2720         member declaration.
2721         (Target_arm::Scan::local, Target_arm::Scan::global,
2722         Target_arm::Relocate::relocate,
2723         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2724         call to Target_arm::get_real_reloc_type.
2725         (Target_arm::get_real_reloc_type): Use command line options to
2726         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2727         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2728         options.
2730 2009-11-25  Doug Kwan  <dougkwan@google.com>
2732         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2733         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2734         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2735         formatting.
2736         (Arm_relocate_functions::thm_call): Replace body with a call to
2737         Arm_relocate_functions::thumb_branch_common.
2738         (Arm_relocate_functions::thm_jump24,
2739         Arm_relocate_functions::thm_xpc22): New method definitions.
2740         (Arm_relocate_functions::thumb_branch_common): New method definition.
2741         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2742         operator.
2743         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2744         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2746 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2748         * Makefile.am: Build incremental-dump
2749         * Makefile.in: Regenerate.
2750         * incremental-dump.cc: New.
2751         * incremental.cc (Incremental_inputs_header_data,
2752         Incremental_inputs_entry_data): Move to incremental.h
2753         * incremental.h: (Incremental_inputs_header_data,
2754         Incremental_inputs_entry_data): Move from incremental.cc
2756 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2758         * incremental.cc (Incremental_inputs_header,
2759         Incremental_inputs_header_write, Incremental_inputs_entry,
2760         Incremental_inputs_entry_write): Add a typedef with the data type.
2762 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2764         * incremental.cc (Incremental_inputs_header,
2765         Incremental_inputs_header_write, Incremental_inputs_entry,
2766         Incremental_inputs_entry_write): Update comment about which
2767         type has the filed descriptions.
2769 2009-11-15  Doug Kwan  <dougkwan@google.com>
2771         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2772         (Arm_relocate_functions::arm_branch_common): Change method defintion
2773         in class definition to a method declaration and update list of formal
2774         parameters.
2775         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2776         Arm_relocation_functions::jump24): Adjust call to
2777         Arm_relocate_functions::arm_branch_common.  Update list of formal
2778         parameters.
2779         (Arm_relocate_functions::xpc25): New method definition.
2780         (Arm_relocate_functions::arm_branch_common): Move method defintion
2781         out from class definition.  Use stubs for mode-switching and extending
2782         branch ranges.
2783         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2784         specially.  Change code to enable use of stubs in ARM branches.
2786 2009-11-10  Doug Kwan  <dougkwan@google.com>
2788         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2789         in method declaration.
2790         (Target_arm::relocate_stub): New method declaration.
2791         (Target_arm::default_target): Change to return a pointer instead of
2792         a const reference.
2793         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2794         Target_arm::default_target.
2795         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2796         method definition.
2797         (Target_arm::relocate_section): Adjust view.
2798         (Target_arm::relocate_stub): New method definition.
2800 2009-11-10  Doug Kwan  <dougkwan@google.com>
2802         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2803         a format warning.
2804         * incremental.cc (open_incremental_binary): Initialized local
2805         variables to avoid warnings.
2806         * object.cc (make_elf_object): Ditto.
2807         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2808         a format warning.
2810 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2812         PR gold/10930
2813         * testsuite/plugin_test.c: Include "config.h".
2815 2009-11-09  Doug Kwan  <dougkwan@google.com>
2817         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2818         (arm_symbol_value): Remove.
2819         (Arm_relocate_functions::arm_branch_common,
2820         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2821         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2822         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2823         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2824         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2825         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2826         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2827         Arm_relocate_functions::thm_mobw_abs_nc,
2828         Arm_relocate_functions::thm_mov_abs,
2829         Arm_relocate_functions::movw_prel_nc,
2830         Arm_relocate_functions::thm_movt_abs,
2831         Arm_relocate_functions::movt_prel,
2832         Arm_relocate_functions::thm_movw_prel_nc,
2833         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2834         (Target_arm::Relocate::relocate): Only decompose address into two
2835         parts if relocation type uses the thumb-bit and pass the actual
2836         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2837         calls to methods in Arm_relocate_functions for this change.
2839 2009-11-08  Ian Lance Taylor  <iant@google.com>
2841         PR 10925
2842         * reloc.cc: Instantiate
2843         Sized_relobj::initialize_input_to_output_maps and
2844         Sized_relobj:free_input_to_output_maps.
2846 2009-11-06  Ian Lance Taylor  <iant@google.com>
2848         PR 10876
2849         * defstd.cc (in_segment): Set only_if_ref true for "end".
2851 2009-11-06  Doug Kwan  <dougkwan@google.com>
2853         * arm.cc (class Reloc_stub): Correct a comment.
2854         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2855         (Target_arm::scan_section_for_stubs): New method declaration.
2856         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2857         Change methods from private to protected.
2858         (Target_arm::do_may_relax): New method definition.
2859         (Target_arm::do_relax, Target_arm::group_sections,
2860         Target_arm::scan_reloc_for_stub,
2861         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2862         (Target_arm::arm_input_section_map_): New data member declaration.
2863         (Target_arm::scan_reloc_for_stub,
2864         Target_arm::scan_reloc_section_for_stubs,
2865         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2866         Target_arm::do_relax): New method definitions.
2868 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2870         * configure.ac: Check for (struct stat)::st_mtim
2871         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2872         * config.in: Regenerate.
2873         * configure: Regenerate.
2875 2009-11-05  Ian Lance Taylor  <iant@google.com>
2877         PR 10910
2878         * output.cc (Output_segment::add_output_section): Add missing
2879         return statement.
2881 2009-11-04  Ian Lance Taylor  <iant@google.com>
2883         PR 10880
2884         * object.h (class Object): Add is_needed and set_is_needed
2885         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2886         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2887         defined in a dynamic object and referenced by a regular object,
2888         set is_needed for the dynamic object.
2889         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2890         if the file is marked with as_needed and it is not needed.
2892 2009-11-04  Ian Lance Taylor  <iant@google.com>
2894         PR 10887
2895         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2896         tags if data is discarded by linker script.
2897         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2898         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2899         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2900         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2902 2009-11-04  Ian Lance Taylor  <iant@google.com>
2904         * layout.cc (Layout::get_output_section): Add is_interp and
2905         is_dynamic_linker_section parameters.  Change all callers.
2906         (Layout::choose_output_section): Likewise.
2907         (Layout::make_output_section): Likewise.
2908         (Layout::add_output_section_data): Add is_dynamic_linker_section
2909         parameter.  Change all callers.
2910         * layout.h (class Layout): Update declarations.
2911         * output.h (class Output_section): Add is_interp, set_is_interp,
2912         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2913         Add is_interp_, is_dynamic_linker_section_ fields.  Change
2914         generate_code_fills_at_write_ to a bitfield.
2915         * output.cc (Output_section::Output_sections): Initialize new
2916         fields.
2917         (Output_segment::add_output_section): Add do_sort parameter.
2918         Change all callers.
2920 2009-11-03  Ian Lance Taylor  <iant@google.com>
2922         PR 10860
2923         * options.h (class General_options): Add --warn-common.
2924         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2925         merging two common symbols.
2926         (Symbol_table::should_override): Handle --warn-common when merging
2927         a common symbol with a defined symbol.  Use report_resolve_problem
2928         for multiple definitions.
2929         (Symbol_table::report_resolve_problem): New function.
2930         * symtab.h (class Symbol_table): Declare report_resolve_problem.
2932 2009-11-03  Doug Kwan  <dougkwan@google.com>
2934         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2935         stub_factory_.
2936         (Target_arm::stub_factory): New method definition.
2937         (Target_arm::new_arm_input_section,
2938         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2939         Target_arm::reloc_uses_thumb_bit): New method declarations.
2940         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
2941         New type definitions.
2942         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2943         member declarations.
2944         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2945         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2946         New method definitions.
2948 2009-11-03  Ian Lance Taylor  <iant@google.com>
2950         * options.h (class General_options): Add --warn_constructors.
2952 2009-11-03  Ian Lance Taylor  <iant@google.com>
2954         PR 10893
2955         * defstd.cc (in_section): Add entries for __rel_iplt_start,
2956         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2958 2009-11-03  Ian Lance Taylor  <iant@google.com>
2960         PR 10895
2961         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2962         --msgid-bugs-address.
2963         (install-pdf): New target.
2964         (install-data_yes): Look up one directory to find mkinstalldirs.
2966 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
2968         * po/Make-in (.po.gmo): Don't generate .gmo files in source
2969         tree.
2971 2009-10-30  Doug Kwan  <dougkwan@google.com>
2973         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2975 2009-10-30  Doug Kwan  <dougkwan@google.com>
2977         * arm.cc (Stub_addend_reader): New struct template definition
2978         and partial specializations.
2979         (Stub_addend_reader::operator()): New method definition for a
2980         partially specialized template.
2982 2009-10-30  Doug Kwan  <dougkwan@google.com>
2984         * arm.cc (Arm_relobj::processor_specific_flags): New method
2985         definition.
2986         (Arm_relobj::do_read_symbols): New method declaration.
2987         (Arm_relobj::processor_specific_flags_): New data member declaration.
2988         (Arm_dynobj): New class definition.
2989         (Target_arm::do_finalize_sections): Add input_objects parameter.
2990         (Target_arm::do_adjust_elf_header): New method declaration.
2991         (Target_arm::are_eabi_versions_compatible,
2992         (Target_arm::merge_processor_specific_flags): New method declaration.
2993         (Target_arm::do_make_elf_object): New overloaded method definitions
2994         and declaration.
2995         (Arm_relobj::do_read_symbols): New method definition.
2996         (Arm_dynobj::do_read_symbols): Ditto.
2997         (Target_arm::do_finalize_sections): Add input_objects parameters.
2998         Merge processor-specific flags from all input objects.
2999         (Target_arm::are_eabi_versions_compatible,
3000         Target_arm::merge_processor_specific_flags,
3001         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3002         New method definitions.
3003         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3004         Input_objects pointer type parameter.
3005         * layout.cc (Layout::finalize): Pass input objects to target's.
3006         finalize_sections function.
3007         * output.cc (Output_file_header::do_sized_write): Set ELF file
3008         header's processor-specific flags.
3009         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3010         Input_objects pointer type parameter.
3011         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3012         * target.h (Input_objects): New forward class declaration.
3013         (Target::processor_specific_flags,
3014         Target::are_processor_specific_flags_sect): New method definitions.
3015         (Target::finalize_sections): Add input_objects parameter.
3016         (Target::Target): Initialize processor_specific_flags_ and
3017         are_processor_specific_flags_set_.
3018         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3019         parameter.
3020         (Target::set_processor_specific_flags): New method definition.
3021         (Target::processor_specific_flags_,
3022         Target::are_processor_specific_flags_set_): New data member
3023         declarations.
3024         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3025         Input_objects pointer type parameter.
3027 2009-10-30  Doug Kwan  <dougkwan@google.com>
3029         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3031 2009-10-28  Ian Lance Taylor  <iant@google.com>
3033         * object.h (class Relobj): Drop options parameter from
3034         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3035         do_scan_relocs, do_relocate.  Change all callers.
3036         (class Sized_relobj): Drop options parameters from
3037         do_gc_process_relocs, do_scan_relocs, do_relocate,
3038         do_relocate_sections, relocate_sections, emit_relocs_scan,
3039         emit_relocs_scan_reltype.  Change all callers.
3040         (struct Relocate_info): Remove options field and all references to
3041         it.
3042         * reloc.h (class Read_relocs): Remove options constructor
3043         parameter and options_ field.  Change all callers.
3044         (class Gc_process_relocs, class Scan_relocs): Likewise.
3045         (class Relocate_task): Likewise.
3046         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3047         all callers.
3048         (scan_relocatable_relocs): Likewise.
3049         * target.h (class Sized_target): Remove options parameter from
3050         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3051         all callers.
3052         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3053         callers.
3054         * arm.cc: Update functions to remove options parameters.
3055         * i386.cc: Likewise.
3056         * powerpc.cc: Likewise.
3057         * sparc.cc: Likewise.
3058         * x86_64.cc: Likewise.
3059         * testsuite/testfile.cc: Likewise.
3061 2009-10-28  Doug Kwan  <dougkwan@google.com>
3063         * arm.cc (Arm_relobj): New class definition.
3064         (Arm_relobj::scan_sections_for_stubs, 
3065         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3066         New method definitions.
3068 2009-10-28  Cary Coutant  <ccoutant@google.com>
3070         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3071         (Plugin::cleanup_done_): New member.
3072         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3073         (Plugin_manager::cleanup_done_): Remove.
3074         (Plugin_manager::add_input_file): Edit error message.
3075         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3076         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3078 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3080         * fileread.cc: (File_read::View::~View): Use the new
3081         data_ownership_ filed.
3082         (File_read::~File_read): Dispose the new whole_file_view_.
3083         (File_read::open): Mmap the whole file if needed.
3084         (File_read::open): Use whole_file_view_ instead of contents_.
3085         (File_read::find_view): Use whole_file_view_ if applicable.
3086         (File_read::do_read): Use whole_file_view_ instead of contents_.
3087         (File_read::make_view): Use whole_file_view_ instead of contents_,
3088         update File_read::View::View call.
3089         (File_read::find_or_make_view): Update File_read::View::View
3090         call.
3091         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3092         remove contents_
3093         (File_read::View::Data_ownership): New enum.
3094         (File_read::View::View): Replace bool mapped_ with Data_ownership
3095         argument.
3096         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3097         (File_read::View::data_ownership_): New field.
3098         (File_read::contents_): Remove (replaced by whole_file_view_).
3099         (File_read::whole_file_view_): New field.
3100         * options.h (class General_options): Add --keep-files-mapped.
3102 2009-10-27  Cary Coutant  <ccoutant@google.com>
3104         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3105         * testsuite/Makefile.am (plugin_test_5): New test case.
3106         * testsuite/Makefile.in: Regenerate.
3108 2009-10-25  Doug Kwan  <dougkwan@google.com>
3110         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3111         from private to protected to allow access by child class.
3112         (Sized_relobj::do_relocate_sections): New method declaration.
3113         (Sized_relobj::relocate_sections): Virtualize.
3114         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
3115         Sized_relobj::relocate_sections.  Instantiate template explicitly
3116         for different target sizes and endianity.
3118 2009-10-24  Doug Kwan  <dougkwan@google.com>
3120         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3121         (Arm_input_section::as_arm_input_section): New method.
3122         (Arm_output_section): New class definition.
3123         (Arm_output_section::create_stub_group,
3124         Arm_output_section::group_sections): New method definitions.
3126 2009-10-22  Doug Kwan  <dougkwan@google.com>
3128         * arm.cc (Arm_input_section): New class definition.
3129         (Arm_input_section::init, Arm_input_section:do_write,
3130         Arm_input_section::set_final_data_size,
3131         Arm_input_section::do_reset_address_and_file_offset): New method
3132         definitions.
3134 2009-10-21  Doug Kwan  <dougkwan@google.com>
3136         * arm.cc (Stub_table, Arm_input_section): New forward class
3137         declarations.
3138         (Stub_table): New class defintion.
3139         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3140         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3141         New method definition.
3143 2009-10-21  Doug Kwan  <dougkwan@google.com>
3145         * arm.cc: Update copyright comments.
3146         (Target_arm): New forward class template declaration.
3147         (Arm_address): New type.
3148         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3149         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3150         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3151         constants.
3152         (Insn_template): Same.
3153         (DEF_STUBS): New macro.
3154         (Stub_type): New enum type.
3155         (Stub_template): New class definition.
3156         (Stub): Same.
3157         (Reloc_stub): Same.
3158         (Stub_factory): Same.
3159         (Target_arm::Target_arm): Initialize may_use_blx_ and
3160         should_force_pic_veneer_.
3161         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3162         Target_arm::should_force_pic_veneer,
3163         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3164         Target_arm::using_thumb_only, Target_arm:;default_target): New
3165         method defintions.
3166         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3167         New data member declarations.
3168         (Insn_template::size, Insn_template::alignment): New method defintions.
3169         (Stub_template::Stub_template): New method definition.
3170         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3171         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3172         (Stub_factory::Stub_factory): New method definition.
3173         * gold.h (string_hash): New template.
3174         * output.h (Input_section_specifier::hash_value): Use
3175         gold::string_hash.
3176         (Input_section_specifier::string_hash): Remove.
3177         * stringpool.cc (Stringpool_template::string_hash): Use
3178         gold::string_hash.
3180 2009-10-20  Doug Kwan  <dougkwan@google.com>
3182         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3183         symbols of relaxed input sections.
3184         * output.h (Output_section::find_relaxed_input_section): Make
3185         method public.
3187 2009-10-16  Doug Kwan  <dougkwan@google.com>
3189         * dynobj.cc (Versions::Versions): Initialize version_script_.
3190         Only insert base version symbol definition for a shared object
3191         if version script defines any version versions.
3192         (Versions::define_base_version): New method definition.
3193         (Versions::add_def): Check that base version is not needed.
3194         (Versions::add_need): Define base version lazily.
3195         * dynobj.h (Versions::define_base_version): New method declaration.
3196         (Versions::needs_base_version_): New data member declaration.
3197         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3198         (check_DATA): Add no_version_test.stdout.
3199         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3200         New make rules.
3201         * testsuite/Makefile.in: Regenerate.
3202         * testsuite/no_version_test.c: New file.
3203         * testsuite/no_version_test.sh: Ditto.
3205 2009-10-16  Doug Kwan  <dougkwan@google.com>
3207         * expression.cc (class Segment_start_expression): New class definition.
3208         (Segment_start_expression::value): New method definition.
3209         (script_exp_function_segment_start): Return a new
3210         Segment_start_expression.
3211         * gold/script-c.h (script_saw_segment_start_expression): New function
3212         prototype.
3213         * script-sections.cc (Script_sections::Script_sections): Initialize
3214         SAW_SEGMENT_START_EXPRESSION_ to false.
3215         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3216         and -Tbbs options to specify section addresses if given in
3217         command line and no SEGMENT_START expression is seen in a script.
3218         * script-sections.h (Script_sections::saw_segment_start_expression,
3219         Script_sections::set_saw_segment_start_expression): New method
3220         definition.
3221         (Script_sections::saw_segment_start_expression_): New data member
3222         declaration.
3223         * script.cc (script_saw_segment_start_expression): New function.
3224         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3225         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3226         script_test_7.sh and script_test_8.sh.
3227         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3228         script_test_8.stdout.
3229         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3230         (script_test_6, script_test_6.stdout, script_test_7,
3231         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3232         * Makefile.in: Regenerate.
3233         * testsuite/script_test_6.sh: New file.
3234         * testsuite/script_test_6.t: Same.
3235         * testsuite/script_test_7.sh: Same.
3236         * testsuite/script_test_7.t: Same.
3237         * testsuite/script_test_8.sh: Same.
3239 2009-10-16  Doug Kwan  <dougkwan@google.com>
3241         * output.cc (Output_segment::set_section_list_address): Cast
3242         expressions to unsigned long long type to avoid format warnings.
3244 2009-10-15  Ian Lance Taylor  <iant@google.com>
3246         * script.cc (Script_options::add_symbol_assignment): Always add a
3247         dot assignment to script_sections_.
3248         * script-sections.cc (Script_sections::add_dot_assignment):
3249         Initialize if necessary.
3251         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3252         program headers with no load segment if there is a linker script.
3254         * layout.cc (Layout::set_segment_offsets): Align the file offset
3255         to the segment aligment for -N or -n with no load segment.
3256         * output.cc (Output_segment::add_output_section): Don't crash if
3257         the first section is a TLS section.
3258         (Output_segment::set_section_list_addresses): Print an error
3259         message if the address moves backward in a linker script.
3260         * script-sections.cc
3261         (Output_section_element_input::set_section_addresses): Don't
3262         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3263         (Orphan_output_section::set_section_addresses): Likewise.
3265 2009-10-15  Doug Kwan  <dougkwan@google.com>
3267         * layout.cc (Layout::finish_dynamic_section): Generate tags
3268         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3269         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3270         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3272 2009-10-14  Ian Lance Taylor  <iant@google.com>
3274         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3275         fields.
3276         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3277         data_shdr fields of relinfo.
3278         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3279         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3280         R_386_TLS_LDO_32, adjust based on section flags.
3281         (Target_i386::Relocate::fix_up_ldo): Remove.
3283 2009-10-13  Ian Lance Taylor  <iant@google.com>
3285         Add support for -pie.
3286         * options.h (class General_options): Add -pie and
3287         --pic-executable.
3288         (General_options::output_is_position_independent): Test -pie.
3289         (General_options::output_is_executable): Return true if not shared
3290         and not relocatable.
3291         (General_options::output_is_pie): Remove.
3292         * options.cc (General_options::finalize): Reject incompatible uses
3293         of -pie.
3294         * gold.cc (queue_middle_tasks): A -pie link is not static.
3295         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3296         * symtab.cc (Symbol::final_value_is_known): Return false if
3297         output_is_position_independent.
3298         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3299         output_is_position_independent.
3300         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3301         output_is_position_independent.
3302         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3303         output_is_position_independent.
3304         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3305         two_file_pie_test.
3306         (basic_pie_test.o, basic_pie_test): New targets.
3307         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3308         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3309         (two_file_pie_test): New target.
3310         * testsuite/Makefile.in: Rebuild.
3311         * README: Remove note saying that -pie is not supported.
3313 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3315         * options.h (class General_options): Add -init and -fini.
3316         * layout.cc (Layout::finish_dynamic_section): Emit
3317         given init and fini functions.
3319 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3321         * gc.h (gc_process_relocs): Check if icf is enabled using new
3322         function.
3323         * gold.cc (queue_initial_tasks): Likewise.
3324         (queue_middle_tasks): Likewise.
3325         * object.cc (do_layout): Likewise.
3326         * symtab.cc (is_section_folded): Likewise.
3327         * main.cc (main): Likewise.
3328         * reloc.cc (Read_relocs::run): Likewise.
3329         (Sized_relobj::do_scan_relocs): Likewise.
3330         * icf.cc (is_function_ctor_or_dtor): New function.
3331         (Icf::find_identical_sections): Check if function is ctor or dtor when
3332         safe icf is chosen.
3333         * options.h (General_options::icf): Change option to be an enum.
3334         (Icf_status): New enum.
3335         (icf_enabled): New method.
3336         (icf_safe_folding): New method.
3337         (set_icf_status): New method.
3338         (icf_status_): New variable.
3339         * (options.cc) (General_options::finalize): Set icf_status_.
3340         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3341         icf_test and icf_keep_unique_test to use the --icf enum flag.
3342         * testsuite/icf_safe_test.sh: New file.
3343         * testsuite/icf_safe_test.cc: New file. 
3345 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3347         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3348         includes to gc.h and icf.h.
3349         * arm.cc: Include gc.h.
3350         * gold.cc: Likewise.
3351         * i386.cc: Likewise.
3352         * powerpc.cc: Likewise.
3353         * sparc.cc: Likewise.
3354         * x86_64.cc: Likewise.
3355         * gc.h: Include icf.h.
3357 2009-10-11  Ian Lance Taylor  <iant@google.com>
3359         * plugin.cc: Include "gold.h" before other header files.
3361 2009-10-10  Chris Demetriou  <cgd@google.com>
3363         * options.h (Input_file_argument::Input_file_type): New enum.
3364         (Input_file_argument::is_lib_): Replace with...
3365         (Input_file_argument::type_): New member.
3366         (Input_file_argument::Input_file_argument): Take Input_file_type
3367         'type' rather than boolean 'is_lib' as second argument.
3368         (Input_file_argument::is_lib): Use type_.
3369         (Input_file_argument::is_searched_file): New function.
3370         (Input_file_argument::may_need_search): Handle is_searched_file.
3371         * options.cc (General_options::parse_library): Support -l:filename.
3372         (General_options::parse_just_symbols): Update for Input_file_argument
3373         changes.
3374         (Command_line::process): Likewise.
3375         * archive.cc (Archive::get_file_and_offset): Likewise.
3376         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3377         * script.cc (read_script_file, script_add_file): Likewise.
3378         * fileread.cc (Input_file::Input_file): Likewise.
3379         (Input_file::will_search_for): Handle is_searched_file.
3380         (Input_file::open): Likewise.
3381         * readsyms.cc (Read_symbols::get_name): Likewise.
3382         * testsuite/Makefile.am (searched_file_test): New test.
3383         * testsuite/Makefile.in: Regenerate.
3384         * testsuite/searched_file_test.cc: New file.
3385         * testsuite/searched_file_test_lib.cc: New file.
3387 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3388             Ian Lance Taylor  <iant@google.com>
3390         * descriptor.cc: Include <cstdio> and "binary-io.h".
3391         (Descriptors::open): Open the files in binary mode always.
3392         * script.cc (Lex::get_token): Treat \r as whitespace.
3394 2009-10-09  Ian Lance Taylor  <iant@google.com>
3396         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3398 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3399             Ian Lance Taylor  <iant@google.com>
3401         * configure.ac: Check for readv function also.
3402         * fileread.cc (readv): Define if not HAVE_READV.
3403         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3404         does not exist.
3405         * config.in: Regenerate.
3406         * configure: Regenerate.
3408 2009-10-09  Doug Kwan  <dougkwan@google.com>
3410         * layout.cc (Layout::make_output_section): Call target hook to make
3411         ordinary output section.
3412         (Layout::finalize): Adjust parameter list of call the
3413         Target::may_relax().
3414         * layout.h (class Layout::section_list): New method.
3415         * merge.h (Output_merge_base::entsize): Change visibility to public.
3416         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3417         New methods.
3418         (Output_merge_string::do_is_string): New method.
3419         * object.cc (Sized_relobj::do_setup): renamed from
3420         Sized_relobj::set_up.
3421         * object.h (Sized_relobj::adjust_shndx,
3422         Sized_relobj::initializ_input_to_output_maps,
3423         Sized_relobj::free_input_to_output_maps): Change visibilities to
3424         protected.
3425         (Sized_relobj::setup): Virtualize.
3426         (Sized_relobj::do_setup): New method declaration.
3427         (Sized_relobj::invalidate_section_offset,
3428         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3429         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3430         * options.cc (parse_int): New function.
3431         * options.h (parse_int): New declaration.
3432         (DEFINE_int): New macro.
3433         (stub_group_size): New option.
3434         * output.cc (Output_section::Output_section): Initialize memebers
3435         merge_section_map_, merge_section_by_properties_map_,
3436         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3437         (Output_section::add_input_section): Handled deferred code-fill
3438         generation and remove an old comment.
3439         (Output_section::add_relaxed_input_section): New method definition.
3440         (Output_section::add_merge_input_section): Use merge section by
3441         properties map to speed to search.  Update merge section maps
3442         as appropriate.
3443         (Output_section::build_relaxation_map): New method definition.
3444         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3445         Same.
3446         (Output_section::relax_input_section): Renamed to
3447         Output_section::convert_input_sections_to_relaxed_sections and change
3448         interface to take a vector of pointers to relaxed sections.
3449         (Output_section::find_merge_section,
3450         Output_section::find_relaxed_input_section): New method definitions.
3451         (Output_section::is_input_address_mapped,
3452         Output_section::output_offset, Output_section::output_address):
3453         Use output section data maps to speed up searching.
3454         (Output_section::find_starting_output_address): Add comments.
3455         (Output_section::do_write,
3456         Output_section::write_to_postprocessing_buffer): Do code-fill
3457         generation as appropriate.
3458         (Output_section::get_input_sections): Invalidate relaxed input section
3459         map.
3460         (Output_section::restore_states): Adjust type of checkpoint .
3461         Invalidate relaxed input section map.
3462         * output.h (Output_merge_base): New class declaration.
3463         (Input_section_specifier): New class defintion.
3464         (class Output_relaxed_input_section) Change base class to
3465         Output_section_data_build.
3466         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3467         base class initializer.
3468         (Output_section::add_relaxed_input_section): New method declaration.
3469         (Output_section::Input_section): Change visibility to protected.
3470         (Output_section::Input_section::relobj,
3471         Output_section::Input_section::shndx): Handle relaxed input sections.
3472         Output_section::input_sections) Change visibility to protected.  Also
3473         define overload to return a non-const pointer.
3474         (Output_section::Merge_section_properties): New class defintion.
3475         (Output_section::Merge_section_by_properties_map,
3476         Output_section::Output_section_data_by_input_section_map,
3477         Output_section::Relaxation_map): New types.
3478         (Output_section::relax_input_section): Rename method to
3479         Output_section::convert_input_sections_to_relaxed_sections and change
3480         interface to take a vector of relaxed section pointers.
3481         (Output_section::find_merge_section,
3482         Output_section::find_relaxed_input_section,
3483         Output_section::build_relaxation_map,
3484         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3485         New method declarations.
3486         (Output_section::merge_section_map_
3487         Output_section::merge_section_by_properties_map_,
3488         Output_section::relaxed_input_section_map_,
3489         Output_section::is_relaxed_input_section_map_valid_,
3490         Output_section::generate_code_fills_at_write_): New data members.
3491         * script-sections.cc
3492         (Output_section_element_input::set_section_addresses): Call
3493         current_data_size and addralign methods of relaxed input sections.
3494         (Orphan_output_section::set_section_addresses): Call current_data_size
3495         and addralign methods of relaxed input sections.
3496         * symtab.cc (Symbol_table::compute_final_value): Extract template
3497         from the body of Symbol_table::sized_finalize_symbol.
3498         (Symbol_table::sized_finalized_symbol): Call
3499         Symbol_table::compute_final_value.
3500         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3501         (Symbol_table::compute_final_value): New templated method declaration.
3502         * target.cc (Target::do_make_output_section): New method defintion.
3503         * target.h (Target::make_output_section): New method declaration.
3504         (Target::relax): Add more parameters for input objects, symbol table
3505         and layout.  Adjust call to do_relax.
3506         (Target::do_make_output_section): New method declaration.
3507         (Target::do_relax): Add parameters for input objects, symbol table
3508         and layout.
3510 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3512         * pread.c: Include stdio.h.
3514 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3516         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3517         defined.
3519 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3521         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3522         Change read_shndx type to unsigned int.
3523         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3524         int.
3525         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3526         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3527         Change read_shndx type to unsigned int.
3528         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3529         int.
3530         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3531         * layout.cc (Layout::create_symtab_sections): Cast the result of
3532         local_symcount * symsize to off_t in the gold_assert.
3534 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3536         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3537         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3538         R_ARM_BASE_ABS.
3539         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3540         (Arm_relocate_functions::thm_abs5): New function.
3541         (Arm_relocate_functions::abs12): New function.
3542         (Arm_relocate_functions::abs16): New function.
3543         (Arm_relocate_functions::base_abs): New function.
3544         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3545         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3546         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3547         R_ARM_BASE_ABS.
3548         (Scan::global): Likewise.
3549         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3550         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3551         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3552         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3553         R_ARM_BASE_ABS.
3555 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3557         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3558         (Arm_relocate_functions::movt_prel): New function.
3559         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3560         (Arm_relocate_functions::thm_movt_prel): New function.
3561         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3562         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3563         (Scan::global, Relocate::relocate): Likewise.
3564         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3566 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3568         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3569         Incremental_checker.
3570         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3571         unsigned int.
3572         (class Incremental_inputs_header): New class.
3573         (Incremental_inputs_header_writer): Edit comment.
3574         (Incremental_inputs_entry): New class.
3575         (Incremental_inputs_entry_writer): Edit comment.
3576         (Sized_incremental_binary::do_find_incremental_inputs_section):
3577         Add *strtab_shndx parameter, fill it.
3578         (Sized_incremental_binary::do_check_inputs): New method.
3579         (Incremental_checker::can_incrementally_link_output_file): Use
3580         Sized_incremental_binary::check_inputs.
3581         (Incremental_inputs::report_command_line): Save command line in
3582         command_line_.
3583         * incremental.h:
3584         (Incremental_binary::find_incremental_inputs_section): New
3585         method.
3586         (Incremental_binary::do_find_incremental_inputs_section): Add
3587         strtab_shndx parameter.
3588         (Incremental_binary::do_check_inputs): New pure virtual method.
3589         (Sized_incremental_binary::do_check_inputs): Declare.
3590         (Incremental_checker::Incremental_checker): Add incremental_inputs
3591         parameter, use it to initialize incremental_inputs_.
3592         (Incremental_checker::incremental_inputs_): New field.
3593         (Incremental_checker::command_line): New method.
3594         (Incremental_checker::inputs): New method.
3595         (Incremental_checker::command_line_): New field.
3597 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3599         * incremental.cc: Include <cstdarg> and "target-select.h".
3600         (vexplain_no_incremental): New function.
3601         (explain_no_incremental): New function.
3602         (Incremental_binary::error): New method.
3603         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3604         method.
3605         (make_sized_incremental_binary): New function.
3606         (open_incremental_binary): New function.
3607         (can_incrementally_link_file): Add checks if output is ELF and has
3608         inputs section.
3609         * incremental.h: Include "elfcpp_file.h" and "output.h".
3610         (Incremental_binary): New class.
3611         (Sized_incremental_binary): New class.
3612         (open_incremental_binary): Declare.
3613         * object.cc (is_elf_object): Use
3614         elfcpp::Elf_recognizer::is_elf_file.
3615         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3616         * output.h (Output_file::filesize): New method.
3618 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3620         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3621         New function.
3622         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3623         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3624         function.
3625         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3626         function.
3627         (Arm_relocate_functions::movw_abs_nc): New function.
3628         (Arm_relocate_functions::movt_abs): New function.
3629         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3630         (Arm_relocate_functions::thm_movt_abs): New function.
3631         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3632         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3633         (Scan::global): Likewise.
3634         (Relocate::relocate): Likewise.
3635         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3637 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3639         * arm.cc (Arm_relocate_functions::got_prel) New function.
3640         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3641         (Relocate::relocate): Likewise.
3642         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3644 2009-10-06  Ian Lance Taylor  <iant@google.com>
3646         * options.h (class General_options): Define
3647         split_stack_adjust_size parameter.
3648         * object.h (class Object): Add uses_split_stack_ and
3649         has_no_split_stack_ fields.  Add uses_split_stack and
3650         has_no_split_stack accessor functions.  Declare
3651         handle_split_stack_section.
3652         (class Reloc_symbol_changes): Define.
3653         (class Sized_relobj): Define Function_offsets.  Declare
3654         split_stack_adjust, split_stack_adjust_reltype, and
3655         find_functions.
3656         * object.cc (Object::handle_split_stack_section): New function.
3657         (Sized_relobj::do_layout): Call handle_split_stack_section.
3658         * dynobj.cc (Sized_dynobj::do_layout): Call
3659         handle_split_stack_section.
3660         * reloc.cc (Sized_relobj::relocate_sections): Call
3661         split_stack_adjust for executable sections in split_stack
3662         objects.  Pass reloc_map to relocate_section.
3663         (Sized_relobj::split_stack_adjust): New function.
3664         (Sized_relobj::split_stack_adjust_reltype): New function.
3665         (Sized_relobj::find_functions): New function.
3666         * target-reloc.h: Include "object.h".
3667         (relocate_section): Add reloc_symbol_changes parameter.  Change
3668         all callers.
3669         * target.h (class Target): Add calls_non_split method.  Declare
3670         do_calls_non_split virtual method.  Declare match_view and
3671         set_view_to_nop.
3672         * target.cc: Include "elfcpp.h".
3673         (Target::do_calls_non_split): New function.
3674         (Target::match_view): New function.
3675         (Target::set_view_to_nop): New function.
3676         * gold.cc (queue_middle_tasks): Give an error if mixing
3677         split-stack and non-split-stack objects with -r.
3678         * i386.cc (Target_i386::relocate_section): Add
3679         reloc_symbol_changes parameter.
3680         (Target_i386::do_calls_non_split): New function.
3681         * x86_64.cc (Target_x86_64::relocate_section): Add
3682         reloc_symbol_changes parameter.
3683         (Target_x86_64::do_calls_non_split): New function.
3684         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3685         parameter.
3686         * powerpc.cc (Target_powerpc::relocate_section): Add
3687         reloc_symbol_changes parameter.
3688         * sparc.cc (Target_sparc::relocate_section): Add
3689         reloc_symbol_changes parameter.
3690         * configure.ac: Call AM_CONDITIONAL for the default target.
3691         * configure: Rebuild.
3692         * testsuite/Makefile.am (TEST_AS): New variable.
3693         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3694         (check_DATA): Add split_i386 and split_x86_64 files.
3695         (SPLIT_DEFSYMS): Define.
3696         (split_i386_[1234n].o): New targets.
3697         (split_i386_[124]): New targets.
3698         (split_i386_[1234r].stdout): New targets.
3699         (split_x86_64_[1234n].o): New targets.
3700         (split_x86_64_[124]): New targets.
3701         (split_x86_64_[1234r].stdout): New targets.
3702         (MOSTLYCLEANFILES): Add new executables.
3703         * testsuite/split_i386.sh: New file.
3704         * testsuite/split_x86_64.sh: New file.
3705         * testsuite/split_i386_1.s: New file.
3706         * testsuite/split_i386_2.s: New file.
3707         * testsuite/split_i386_3.s: New file.
3708         * testsuite/split_i386_4.s: New file.
3709         * testsuite/split_i386_n.s: New file.
3710         * testsuite/split_x86_64_1.s: New file.
3711         * testsuite/split_x86_64_2.s: New file.
3712         * testsuite/split_x86_64_3.s: New file.
3713         * testsuite/split_x86_64_4.s: New file.
3714         * testsuite/split_x86_64_n.s: New file.
3715         * testsuite/testfile.cc (Target_test): Update relocation_section
3716         function.
3717         * testsuite/Makefile.in: Rebuild.
3719 2009-10-06  Ian Lance Taylor  <iant@google.com>
3721         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3722         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3723         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3724         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3725         the address on ldo_addrs_.
3726         (Target_i386::Relocate::fix_up_ldo): New function.
3728 2009-10-06   Rafael Espindola  <espindola@google.com>
3730         * plugin.cc (add_input_library): New.
3731         (Plugin::load): Add add_input_library to tv.
3732         (Plugin_manager::add_input_file): Add the is_lib argument.
3733         (add_input_file): Update call to Plugin_manager::add_input_file.
3734         (add_input_library): New.
3735         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3737 2009-09-30  Doug Kwan  <dougkwan@google.com>
3739         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3740         symbol and call Symbol::may_need_copy_reloc to determine if
3741         a copy reloc is needed.
3742         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3743         nocopyreloc is given in command line.
3744         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3745         given in command line.
3746         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3747         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3748         of the removed Target_i386::may_need_copy_reloc.
3749         * options.h (copyreloc): New option with default value false.
3750         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3751         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3752         instead of the removed Target_powerpc::may_need_copy_reloc.
3753         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3754         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3755         instead of the removed Target_sparc::may_need_copy_reloc.
3756         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3757         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3758         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3759         instead of the removed Target_x86_64::may_need_copy_reloc.
3761 2009-09-30  Ian Lance Taylor  <iant@google.com>
3763         * object.h (class Object): Remove target_ field, and target,
3764         sized_target, and set_target methods.
3765         (Object::sized_target): Remove.
3766         (class Sized_relobj): Update declarations.  Remove sized_target.
3767         * object.cc (Sized_relobj::setup): Remove target parameter.
3768         Change all callers.
3769         (Input_objects::add_object): Don't do anything with the target.
3770         (make_elf_sized_object): Add punconfigured parameter.  Change all
3771         callers.  Set or test parameter target.
3772         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3773         Change all callers.
3774         * parameters.cc (Parameters::set_target): Change parameter type to
3775         be non-const.
3776         (Parameters::default_target): Remove.
3777         (set_parameters_target): Change parameter type to be non-const.
3778         (parameters_force_valid_target): New function.
3779         (parameters_clear_target): New function.
3780         * parameters.h (class Parameters): Update declarations.  Remove
3781         default_target method.  Add sized_target and clear_target
3782         methods.  Change target_ to be non-const.
3783         (set_parameters_target): Update declaration.
3784         (parameters_force_valid_target): Declare.
3785         (parameters_clear_target): Declare.
3786         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3787         as NULL if we aren't searching.
3788         (Add_symbols::run): Don't check for compatible target.
3789         * fileread.cc (Input_file::open_binary): Call
3790         parameters_force_valid_target.
3791         * gold.cc (queue_middle_tasks): Likewise.
3792         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3793         set_target on object.
3794         * dynobj.h (class Sized_dynobj): Update declarations.
3795         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3796         make_elf_object returns NULL.
3797         (Archive::include_member): Don't check whether object target is
3798         compatible.
3799         * output.cc (Output_section::add_input_section): Get target from
3800         parameters.
3801         (Output_section::relax_input_section): Likewise.
3802         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3803         parameters.
3804         (Sized_relobj::do_scan_relocs): Likewise.
3805         (Sized_relobj::relocate_sections): Likewise.
3806         * resolve.cc (Symbol_table::resolve): Likewise.
3807         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3808         parameter.  Change all callers.
3809         (Symbol_table::add_from_object): Get target from parameters.
3810         (Symbol_table::add_from_relobj): Don't check object target.
3811         (Symbol_table::add_from_dynobj): Likewise.
3812         (Symbol_table::define_special_symbol): Get target from
3813         parameters.
3814         * symtab.h (class Symbol_table): Update declaration.
3815         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3816         parameter.  Change all callers.  Clear parameter target.
3817         (Binary_test): Test target here.
3818         * testsuite/object_unittest.cc (gold_testsuite): Remove
3819         target_test_pointer parameter.  Change all callers.
3820         (Object_test): Test target here.
3822 2009-09-26  Ian Lance Taylor  <iant@google.com>
3824         * testsuite/initpri1.c: Don't try to use constructor priorities if
3825         compiling with gcc before 4.3.
3827 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3829         * testsuite/retain_symbols_file_test.sh (check_present): Change
3830         output file name to retain_symbols_file_test.stdout.
3831         (check_absent): Likewise.
3833 2009-09-18  Craig Silverstein  <csilvers@google.com>
3835         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3836         * options.cc: Include <cerrno> and <fstream>.
3837         (General_options::finalize): Parse -retain-symbols-file tag.
3838         * options.h: New flag.
3839         (General_options): New method should_retain_symbol, new
3840         variable symbols_to_retain.
3841         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3842         should_retain_symbol map.
3843         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3844         * testsuite/Makefile.in: Regenerate.
3845         * testsuite/retain_symbols_file_test.sh: New file.
3847 2009-09-18  Nick Clifton  <nickc@redhat.com>
3849         * po/es.po: Updated Spanish translation.
3851 2009-09-17  Doug Kwan  <dougkwan@google.com>
3853         * debug.h (DEBUG_RELAXATION): New constant.
3854         (DEBUG_ALL): Add DEBUG_RELAXATION.
3855         (debug_string_to_enum): Add relaxation debug option.
3856         * layout.cc
3857         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3858         Layout::Relaxation_debug_check::read_sections,
3859         Layout::Relaxation_debug_check::read_sections): New method definitions.
3860         (Layout::Layout): Initialize data members
3861         record_output_section_data_from_scrips_,
3862         script_output_section_data_list_ and relaxation_debug_check_.
3863         (Layout::save_segments, Layout::restore_segments,
3864         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3865         Layout::relaxation_loop_body): New method definitions.
3866         (Layout::finalize): Support relaxation.  Move section layout code to
3867         Layout::relaxation_loop_body.
3868         (Layout::set_asection_address_from_script): Move code for orphan
3869         section placement out.
3870         (Layout::place_orphan_sections_in_script): New method definition.
3871         * layout.h (Output_segment_headers, Output_file_header):
3872         New forward class declarations.
3873         (Layout::~Layout): Define.
3874         (Layout::new_output_section_data_from_script): New method definition.
3875         (Layout::place_orphan_sections_in_script): New method declaration.
3876         (Layout::Segment_states): New type declaration.
3877         (Layout::save_segments, Layout::restore_segments,
3878         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3879         Layout::relaxation_loop_body): New method declarations.
3880         (Layout::Output_section_data_list): New type declaration.
3881         (Layout::Relaxation_debug_check): New class definition.
3882         (Layout::record_output_section_data_from_script_,
3883         Layout::script_output_section_data_list_, Layout::segment_states_,
3884         Layout::relaxation_debug_check_): New data members.
3885         * output.cc: (Output_section_headers::do_size): New method definition.
3886         (Output_section_headers::Output_section_headers): Move size
3887         computation to Output_section_headers::do_size.
3888         (Output_segment_headers::do_size): New method definition.
3889         (Output_file_header::Output_file_header): Move size computation to 
3890         Output_file_header::do_size and call it.
3891         (Output_file_header::do_size): New method definition.
3892         (Output_data_group::Output_data_group): Adjust call to
3893         Output_section_data.
3894         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3895         (Output_symtab_xindex::do_write): Add array bound check.
3896         (Output_section::Input_section::print_to_mapfile): Handle
3897         RELAXED_INPUT_SECTION_CODE.
3898         (Output_section::Output_section): Initialize data member checkpoint_.
3899         (Output_section::~Output_section): Delete checkpoint object pointed
3900         by checkpoint_.
3901         (Output_section::add_input_section): Always add an Input_section if
3902         relaxing.
3903         (Output_section::add_merge_input_section): Add assert.
3904         (Output_section::relax_input_section): New method definition.
3905         (Output_section::set_final_data_size): Set load address to zero for
3906         an unallocated section.
3907         (Output_section::do_address_and_file_offset_have_reset_values):
3908         New method definition.
3909         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3910         Handle relaxed input section.
3911         (Output_section::sort_attached_input_sections): Checkpoint input
3912         section list lazily.
3913         (Output_section::get_input_sections): Change type of input_sections to
3914         list of Simple_input_section pointers.  Checkpoint input section list
3915         lazily.  Also handle relaxed input sections.
3916         (Output_section::add_input_section_for_script): Take a reference to
3917         a Simple_input_section object instead of Relobj pointer and section
3918         index as parameter.  Handle relaxed input sections.
3919         (Output_section::save_states, Output_section::restore_states): New
3920         method definitions.
3921         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3922         (Output_data::is_data_size_fixed): New method definition.
3923         (Output_data::reset_addresss_and_file_offset): Do not reset data size
3924         if it is fixed.
3925         (Output_data::address_and_file_offset_have_reset_values): New method
3926         definition.
3927         (Output_data::do_address_and_file_offset_have_reset_values): New method
3928         definition.
3929         (Output_data::set_data_size): Check that data size is not fixed.
3930         (Output_data::fix_data_size): New method definition.
3931         (Output_data::is_data_size_fixed_): New data member.
3932         (Output_section_headers::set_final_data_size): New method definition.
3933         (Output_section_headers::do_size): New method declaration.
3934         (Output_segment_headers::set_final_data_size): New method definition.
3935         (Output_segment_headers::do_size): New method declaration.
3936         (Output_file_header::set_final_data_size)::New method definition.
3937         (Output_file_header::do_size)::New method declaration.
3938         (Output_section_data::Output_section_data): Add new parameter
3939         is_data_size_fixed and use it to fix data size.
3940         (Output_data_const::Output_data_const): Adjust call to base class
3941         constructor and fix data size.
3942         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3943         base class constructor and fix data size.
3944         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3945         base class constructor and fix data size.
3946         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3947         class constructor and fix data size.
3948         (Output_data_group::set_final_data_size): New method definition.
3949         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3950         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3951         class constructor and fix data size.
3952         (Output_relaxed_input_section): New class definition.
3953         (Output_section::Simple_input_section): New class definition.
3954         (Output_section::get_input_sections): Adjust parameter list.
3955         (Output_section::add_input_section_for_script): Same.
3956         (Output_section::save_states, Output_section::restore_states,
3957         Output_section::do_address_and_file_offset_have_reset_values,
3958         (Output_section::Input_section::Input_section): Handle
3959         RELAXED_INPUT_SECTION_CODE.  Add new overload for
3960         Output_relaxed_input_section.
3961         (Output_section::Input_section::is_input_section,
3962         Output_section::Input_section::set_output_section): Handle relaxed
3963         input section.
3964         (Output_section::Input_section::is_relaxed_input_section,
3965         Output_section::Input_section::output_section_data,
3966         Output_section::Input_section::relaxed_input_section): New method
3967         definitions.
3968         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3969         value.
3970         (Output_section::Input_section::u1_): Update comments.
3971         (Output_section::Input_section::u2_): Add new union member poris.
3972         (Output_section::Checkpoint_output_section): New classs definition.
3973         (Output_section::relax_input_section): New method declaration.
3974         (Output_section::checkpoint_): New data member.
3975         (Output_segment): Update comments.
3976         (Output_segment::Output_segment): Un-privatize copy constructor.
3977         (Output_segment::operator=): Un-privatize.
3978         * script-sections.cc (Output_section_element::Input_section_list):
3979         Change element type to Output_section::Simple_input_section.
3980         (Output_section_element_dot_assignment::set_section_addresses):
3981         Register output section data for relaxation clean up.
3982         (Output_data_exression::Output_data_expression): Adjust call to base
3983         constructor to fix data size.
3984         (Output_section_element_data::set_section_addresses): Register
3985         Output_data_expression object for relaxation clean up.
3986         (struct Input_section_info): Replace Relobj pointer and section index
3987         pair with Output_section::Simple_input_section and Convert struct to a
3988         class.
3989         (Input_section_sorter::operator()): Adjust access to
3990         Input_section_info data member to use accessors. 
3991         (Output_section_element_input::set_section_addresses): Use layout
3992         parameter.  Adjust code to use Output_section::Simple_input_section
3993         and Input_secction_info classes.  Register filler for relaxation
3994         clean up.
3995         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3996         and section index pair with Output_section::Simple_input_section
3997         class.  Adjust code accordingly.
3998         (Phdrs_element::release_segment): New method definition.
3999         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4000         segment list.
4001         (Script_sections::release_segments): New method definition.
4002         * gold/script-sections.h (Script_sections::release_segments): New
4003         method declaration.
4004         * gold/target.h (Target::may_relax, Target::relax,
4005         Target::do_may_relax, Target::do_relax): New method definitions.
4007 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4009         * arm.cc (has_signed_unsigned_overflow): New function.
4010         (Arm_relocate_functions::abs8): New function.
4011         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4012         (Target_arm::Scan::global): Likewise.
4013         (Target_arm::relocate::relocate): Likewise.
4014         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4015         Likewise.
4017 2009-09-16  Cary Coutant  <ccoutant@google.com>
4019         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4020         * testsuite/Makefile.in: Regenerate.
4022 2009-09-11  Nick Clifton  <nickc@redhat.com>
4024         * po/gold.pot: Updated by the Translation project.
4026 2009-09-08  Cary Coutant  <ccoutant@google.com>
4028         * output.cc (Output_file::open): Add execute permission to empty file.
4029         * testsuite/Makefile.am (permission_test): New test.
4030         * testsuite/Makefile.in: Regenerate.
4032 2009-09-02  Ian Lance Taylor  <iant@google.com>
4034         * output.cc (Output_file::resize): Call map_no_anonymous rather
4035         than map.
4037 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4039         * gold.cc: Include "incremental.h".
4040         (queue_initial_tasks): Call Incremental_checker methods.
4041         * incremental.cc: Include "output.h".
4042         (Incremental_checker::can_incrementally_link_output_file): New
4043         method.
4044         * incremental.h (Incremental_checker): New class.
4046         * output.cc (Output_file::open_for_modification): New method.
4047         (Output_file::map_anonymous): Changed return type to bool.  Record
4048         map in base_ field.
4049         (Output_file::map_no_anonymous): New method, broken out of map.
4050         (Output_file::map): Use map_no_anonymous and map_anonymous.
4051         * output.h (class Output_file): Update declarations.
4053 2009-08-24  Cary Coutant  <ccoutant@google.com>
4055         * options.h (Command_line::Pre_options): New class.
4056         (Command_line::pre_options): New member.
4057         * options.cc (gold::options::ready_to_register): New variable.
4058         (One_option::register_option): Do nothing if not registering options.
4059         Assert if same short option registered twice.
4060         (General_options::General_options): Turn off option registration when
4061         done constructing.
4062         (Command_line::Pre_options::Pre_options): New constructor.
4064 2009-08-24  Cary Coutant  <ccoutant@google.com>
4066         * options.h (General_options::no_keep_memory): Remove incorrect
4067         short option.
4069 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4071         * Makefile.am (am__skiplex, am__skipyacc): New.
4072         * Makefile.in: Regenerate.
4074 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4076         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4077         (INCLUDES): ... this.
4078         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4079         (AM_CPPFLAGS): Renamed from ...
4080         (INCLUDE): ... this.
4081         * Makefile.in, testsuite/Makefile.in: Regenerate.
4083         * Makefile.in: Regenerate.
4084         * aclocal.m4: Likewise.
4085         * config.in: Likewise.
4086         * configure: Likewise.
4087         * testsuite/Makefile.in: Likewise.
4089         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4090         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4091         * Makefile.in: Regenerate.
4092         * testsuite/Makefile.in: Regenerate.
4094 2009-08-19  Cary Coutant  <ccoutant@google.com>
4096         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4097         symbols in shared libraries overridden by hidden or internal symbols
4098         in the main program.
4100 2009-08-19  Chris Demetriou  <cgd@google.com>
4102         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4103         checking source file names in error messages.
4105 2009-08-18  Doug Kwan  <dougkwan@google.com>
4107         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4108         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4109         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4110         an elfcpp::Ehdr as parameter.
4111         * object.cc (Object::set_target): Remove the version that looks up
4112         a target and sets it.
4113         (Sized_relobj::setup): Take a Target object instead of
4114         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4115         (make_elf_sized_object): Find target and ask target to
4116         make an ELF object.
4117         * object.h: (Object::set_target): Remove the version that looks up
4118         a target and sets it.
4119         (Sized_relobj::setup): Take a Target object instead of
4120         an elfcpp:Ehdr as parameter.
4121         * target.cc: Include dynobj.h.
4122         (Target::do_make_elf_object_implementation): New.
4123         (Target::do_make_elf_object): New.
4124         * target.h (Target::make_elf_object): New template declaration.
4125         (Target::do_make_elf_object): New method declarations.
4126         (Target::do_make_elf_object_implementation): New template declaration.
4128 2009-08-14  Ian Lance Taylor  <iant@google.com>
4130         * gold.h (FUNCTION_NAME): Define.
4131         (gold_unreachable): Use FUNCTION_NAME.
4133 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4135         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4136         symbol in the --keep-unique list is not found.
4138 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4140         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4141         been maked as --keep-unique.
4142         (Icf::unfold_section): New function.
4143         * icf.h (Icf::unfold_section): New function.
4144         * options.h (General_options::keep_unique): New option.
4145         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4146         * testsuite/Makefile.in: Regenerate.
4147         * testsuite/icf_keep_unique_test.sh: New file.
4148         * testsuite/icf_keep_unique_test.cc: New file.
4150 2009-08-12  Cary Coutant  <ccoutant@google.com>
4152         PR 10471
4153         * resolve.cc (Symbol_table::resolve): Check for references from
4154         dynamic objects to hidden and internal symbols.
4155         * testsuite/Makefile.am (hidden_test.sh): New test.
4156         * testsuite/Makefile.in: Regenerate.
4157         * testsuite/hidden_test.sh: New script.
4158         * testsuite/hidden_test_1.c: New test source.
4159         * testsuite/hidden_test_main.c: New test source.
4161 2009-08-11  Doug Kwan  <dougkwan@google.com>
4163         * arm.cc: Update comments.
4164         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4165         segment to locate the .ARM.exidx section if present.
4167 2009-08-09  Doug Kwan  <dougkwan@google.com>
4169         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4170         patch.
4172 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4173         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4174         compiler warnings.
4176 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4178         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4179         valid tls_segment only for non-debug-section relocations.
4180         * testsuite/Makefile.am: Add gc_tls_test.
4181         * testsuite/Makefile.in: Regenerate.
4182         * testsuite/gc_tls_test.cc: New file.
4183         * testsuite/gc_tls_test.sh: New file.
4185 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4186         
4187         * icf.cc: New file.
4188         * icf.h: New file.
4189         * Makefile.am (CCFILES): Add icf.cc.
4190         (HFILES): Add icf.h
4191         * Makefile.in: Regenerate.
4192         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4193         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4194         section, symbol and addend information for the relocs.
4195         * gold.cc (queue_middle_tasks): Call identical code folding.
4196         * gold.h: Add defines for multimap.
4197         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4198         to the call of finalize_local_symbols.
4199         * main.cc (main): Create object of class Icf.
4200         * object.cc (Sized_relobj::do_layout): Allow this function to be
4201         called twice during icf.
4202         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4203         to sections marked as identical by icf.
4204         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4205         when available.
4206         (Sized_relobj::do_section_entsize): New function.
4207         * object.h (Object::section_entsize): New function.
4208         (Object::do_section_entsize): New pure virtual function.
4209         (Relobj::finalize_local_symbols): Add new parameter.
4210         (Relobj::do_section_entsize): New function.
4211         * options.h (General_options::icf): New option.
4212         (General_options::icf_iterations): New option.
4213         (General_options::print_icf_sections): New option.
4214         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4215         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4216         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4217         icf.
4218         * symtab.cc (Symbol_table::is_section_folded): New function.
4219         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4220         to sections marked as identical by icf.
4221         * symtab.h (Symbol_table::set_icf): New function.
4222         (Symbol_table::icf): New function.
4223         (Symbol_table::is_section_folded): New function.
4224         (Symbol_table::icf_): New data member.
4225         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4226         * testsuite/Makefile.am: Add commands to build icf_test.
4227         * testsuite/Makefile.in: Regenerate.
4228         * testsuite/icf_test.sh: New file.
4229         * testsuite/icf_test.cc: New file.
4231 2009-07-24  Chris Demetriou  <cgd@google.com>
4233         * layout.cc (is_compressible_debug_section): Fix incorrect
4234         comment about compressed section names.
4236 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4238         PR 10419
4239         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4241 2009-07-16  Ian Lance Taylor  <iant@google.com>
4243         PR 10400
4244         * layout.h: #include <map>.
4245         (class Kept_section): Change from struct to class.  Add accessors
4246         and setters.  Add section size to Comdat_group mapping.  Change
4247         Comdat_group to std::map.  Add is_comdat_ field.  Add
4248         linkonce_size field in union.
4249         (class Layout): Update declaration of find_or_add_kept_section.
4250         Don't declare find_kept_object.
4251         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4252         parameter.  Add object, shndx, is_comdat, and is_group_name
4253         parameters.  Change all callers.  Adjust for new Kept_section.
4254         (Layout::find_kept_object): Remove.
4255         * object.cc (Sized_relobj::include_section_group): Update use of
4256         Kept_section.  Rename secnum to shndx.  Only record
4257         Kept_comdat_section if sections are the same size.
4258         (Sized_relobj::include_linkonce_section): Update use of
4259         Kept_section.  Only record Kept_comdat_section if sections are the
4260         same size.  Set size of linkonce section.
4261         (Sized_relobj::map_to_kept_section): Update call to
4262         get_kept_comdat_section.
4263         * object.h (class Sized_relobj): Rename fields in
4264         Kept_comdat_section to drop trailing underscores; change object
4265         field to Relobj*.  Change Kept_comdat_section_table to store
4266         struct rather than pointer.
4267         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4268         Add kept_object and kept_shndx parameters.  Change all callers.
4269         (Sized_relobj::get_kept_comdat_section): Change return type to
4270         bool.  Add kept_object and kept_shndx parameters.  Change all
4271         callers.
4272         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4273         Layout::find_or_add_kept_section.
4275 2009-07-09  Ian Lance Taylor  <iant@google.com>
4277         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4278         Reserve space in the hash table.
4280 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4282         * fileread.cc (File_read::get_mtime): New method.
4283         * fileread.h (Timespec): New structure.
4284         (File_read::get_mtime): New method.
4285         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4286         Renamed from timestamp_nsec.
4287         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4288         Elf_Xword.
4289         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4290         timestamp_nsec.
4291         (Incremental_inputs::report_archive): Save mtime; style fix. 
4292         (Incremental_inputs::report_obejct): Save mtime; style fix.
4293         (Incremental_inputs::report_script): Save mtime; style fix.
4294         (Incremental_inputs::finalize_inputs): Style fix.
4295         (Incremental_inputs::finalize): Style fix.
4296         (Incremental_inputs::create_input_section_data): Store inputs
4297         mtime.
4298         * incremental.h (Incremental_inputs::report_script): Add mtime
4299         argument.
4300         (Incremental_inputs::Input_info::Input_info): Intialize only one
4301         union member.
4302         (Incremental_inputs::Input_info::archive): Move to nameless
4303         union.
4304         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4305         (Incremental_inputs::Input_info::script): Move to nameless union.
4306         (Incremental_inputs::mtime): New field.
4307         * script.cc (read_input_script): Pass file mtime to
4308         Incremental_input.
4309         * script.h (Script_info::inputs): Style fix.
4311 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4313         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4314         instead of 32.
4316 2009-06-24  Ian Lance Taylor  <iant@google.com>
4318         PR 10156
4319         * layout.cc (Layout::choose_output_section): If we find an
4320         existing section, update the flags.
4321         (Layout::create_notes): New function, broken out of
4322         Layout::finalize.
4323         (Layout::finalize): Don't create note sections.
4324         (Layout::create_note): Don't crash if linker script discards
4325         section.
4326         (Layout::create_gold_note): Likewise.
4327         (Layout::create_build_id): Likewise.  Don't set
4328         after_input_sections on the section.
4329         (Layout::create_executable_stack_info): Remove target parameter.
4330         Change caller.
4331         * layout.h (class Layout): Declare create_notes.  Update
4332         declaration of create_executable_stack_info.
4333         * gold.cc (queue_middle_tasks): Call create_notes.
4334         * output.cc (Output_section::update_flags_for_input_section): Move
4335         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4336         invalid.
4337         * output.h (Output_data::mark_address_invalid): New function.
4338         (class Output_section): Only declare, not define,
4339         update_flags_for_input_section.  Remove set_flags.
4341 2009-06-24  Ian Lance Taylor  <iant@google.com>
4343         * script-sections.cc (Output_section_definition::
4344         set_section_addresses): Rename shadowing local load_address to
4345         laddr.
4347 2009-06-24  Ian Lance Taylor  <iant@google.com>
4349         PR 10244
4350         * reloc.cc (relocate_sections): Skip empty relocation sections.
4352 2009-06-23  Ian Lance Taylor  <iant@google.com>
4354         PR 10156
4355         * layout.cc (Layout::create_note): Use choose_output_section
4356         rather than make_output_section.
4358 2009-06-23  Ian Lance Taylor  <iant@google.com>
4360         PR 10237
4361         * options.cc (General_options::parse_V): Set printed_version_.
4362         (General_options::General_options): Initialize printed_version_.
4363         * options.h (class General_options): Add printed_version_ field.
4364         * gold.cc (queue_initial_tasks): If there are no input files,
4365         don't give a fatal error if we printed the version information.
4366         (queue_middle_tasks): If using -r with a shared object, give a
4367         fatal error rather than an ordinary error.
4369 2009-06-23  Ian Lance Taylor  <iant@google.com>
4371         PR 10219
4372         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4373         (Layout::make_output_section): Set have_stabstr_section_ if we see
4374         a .stab*str section.
4375         (Layout::finalize): Call link_stabs_sections.
4376         (Layout::link_stabs_sections): New file.
4377         * layout.h (class Layout): Add have_stabstr_section_ field.
4378         Declare link_stabs_sections.
4380 2009-06-23  Doug Kwan  <dougkwan@google.com>
4382         * Makefile.am (libgold_a_LIBADD): New.
4383         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4384         * Makefile.in: Regenerate.
4385         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4386         * configure: Regenerate.
4387         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4388         * fileread.cc: Include sys/state.h
4389         * gold.h: Declare memmem and strndup if found missing.
4390         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4392 2009-06-23  Ian Lance Taylor  <iant@google.com>
4394         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4395         * configure: Rebuild.
4397 2009-06-23  Ian Lance Taylor  <iant@google.com>
4399         PR 10147
4400         * object.cc (Object::section_contents): Don't try to get a view if
4401         the section has length zero.
4402         (Object::handle_gnu_warning_section): If the section is empty, use
4403         the name of the section as the warning.
4405 2009-06-23  Ian Lance Taylor  <iant@google.com>
4407         PR 10133
4408         * stringpool.h (class Stringpool_template): Add optimize_ field.
4409         (Stringpool_template::set_optimize): New function.
4410         * stringpool.cc (Stringpool_template::Stringpool_template):
4411         Initialize optimize_ field.
4412         (Stringpool_template::set_string_offsets): Test local optimize
4413         fild rather than parameter.
4414         * layout.cc (Layout::Layout): Call set_optimize on the section
4415         name stringpool.
4417 2009-06-22  Ian Lance Taylor  <iant@google.com>
4419         PR 10030
4420         * yyscript.y: Parse TARGET.
4421         * script.cc (script_set_target): New function.
4422         * script-c.h (script_set_target): Declare.
4423         * options.cc (General_options::string_to_object_format): Rename
4424         from string_to_object_format in anonymous namespace.  Change
4425         callers.
4426         * options.h (class General_options): Declare
4427         string_to_object_format.
4429 2009-06-22  Ian Lance Taylor  <iant@google.com>
4431         * script-sections.cc (Script_sections::create_segments): Don't put
4432         program headers in a PT_LOAD segment if -n or -N.
4434 2009-06-22  Ian Lance Taylor  <iant@google.com>
4436         PR 10141
4437         * options.h (class General_options): Add -z lazy and -z now.  Sort
4438         -z options into alphabetical order.
4439         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4441 2009-06-21  Ian Lance Taylor  <iant@google.com>
4443         * layout.cc (Layout::make_output_section): Call
4444         Target::new_output_section.
4445         (Layout::attach_allocated_section_to_segment): Put large section
4446         sections in a separate load segment with the large segment flag
4447         set.
4448         (Layout::segment_precedes): Sort large data segments after other
4449         load segments.
4450         (align_file_offset): New static function.
4451         (Layout::set_segment_offsets): Use align_file_offset.
4452         * output.h (class Output_section): Add is_small_section_ and
4453         is_large_section_ fields.
4454         (Output_section::is_small_section): New function.
4455         (Output_section::set_is_small_section):  New function.
4456         (Output_section::is_large_section): New function.
4457         (Output_section::set_is_large_section): New function.
4458         (Output_section::is_large_data_section): New function.
4459         (class Output_segment): Add is_large_data_segment_ field.
4460         (Output_segment::is_large_data_segment): New function.
4461         (Output_segment::set_is_large_data_segment): New function.
4462         * output.cc (Output_section::Output_section): Initialize new
4463         fields.
4464         (Output_segment::Output_segment): Likewise.
4465         (Output_segment::add_output_section): Add assertion that large
4466         data sections always go in large data segments.  Force small data
4467         sections to the end of the list of data sections.  Force small BSS
4468         sections to the start of the list of BSS sections.  For large BSS
4469         sections to the end of the list of BSS sections.
4470         * symtab.h (class Symbol): Declare is_common_shndx.
4471         (Symbol::is_defined): Check Symbol::is_common_shndx.
4472         (Symbol::is_common): Likewise.
4473         (class Symbol_table): Define enum Commons_section_type.  Update
4474         declarations.  Add small_commons_ and large_commons_ fields.
4475         * symtab.cc (Symbol::is_common_shndx): New function.
4476         (Symbol_table::Symbol_table): Initialize new fields.
4477         (Symbol_table::add_from_object): Put small and large common
4478         symbols in the right list.
4479         (Symbol_table::sized_finalized_symbol): Check
4480         Symbol::is_common_shndx.
4481         (Symbol_table::sized_write_globals): Likewise.
4482         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4483         common symbol lists.  Don't call do_allocate_commons_list if the
4484         list is empty.
4485         (Symbol_table::do_allocate_commons_list): Remove is_tls
4486         parameter.  Add comons_section_type parameter.  Change all
4487         callers.  Handle small and large common symbols.
4488         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4489         Symbol::is_common_shndx.
4490         * resolve.cc (symbol_to_bits): Likewise.
4491         * target.h (Target::small_common_shndx): New function.
4492         (Target::small_common_section_flags): New function.
4493         (Target::large_common_shndx): New function.
4494         (Target::large_common_section_flags): New function.
4495         (Target::new_output_section): New function.
4496         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4497         small_common_section_flags, and large_common_section_flags
4498         fields.
4499         (Target::do_new_output_section): New virtual function.
4500         * arm.cc (Target_arm::arm_info): Initialize new fields.
4501         * i386.cc (Target_i386::i386_info): Likewise.
4502         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4503         Likewise.
4504         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4505         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4506         (Target_x86_64::do_new_output_section): New function.
4507         * configure.ac: Define conditional MCMODEL_MEDIUM.
4508         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4509         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4510         (large_LDFLAGS): Define.
4511         * testsuite/large.c: New file.
4512         * testsuite/testfile.cc (Target_test::test_target_info):
4513         Initialize new fields.
4514         * configure, testsuite/Makefile.in: Rebuild.
4516 2009-06-05  Doug Kwan  <dougkwan@google.com>
4518         * Makefile.am (CCFILES): Add target.cc.
4519         * Makefile.in: Regenerate. 
4520         * i386.cc (class Target_i386): Define new virtual method to
4521         override do_is_local_label_name in parent.
4522         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4523         local symbols if --discard-locals or -X is given.
4524         * options.h (class General_options): Declare new options
4525         '--discard-locals' and '-X' for discarding locals.
4526         * target.h (class Target): Define new methods is_local_label_name.
4527         Declare new virtual method do_is_local_label_name.
4528         * target.cc: New file.
4529         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4530         (check_SCRIPTS): Add discard_locals_test.sh.
4531         (check_DATA): Add discard_local_tests.syms.
4532         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4533         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4534         * testsuite/Makefile.in: Regenerate.
4535         * testsuite/discard_locals_test.c: New file.
4536         * testsuite/discard_locals_test.sh: Same.
4538 2009-06-05  Doug Kwan  <dougkwan@google.com>
4540         * object.cc (Sized_relobj::Sized_relobj): Initialize
4541         discarded_eh_frame_shndx_ to -1U.
4542         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4543         section.
4544         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4545         a discarded .eh_frame section.
4546         (Sized_relobj::do_finalize_local_symbols): Ditto.
4547         * object.h (class Sized_relobj): Declare new member
4548         discarded_eh_frame_shndx_.
4549         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4550         (local_labels_test.o, local_labels_test): New rules.
4551         * testsuite/Makefile.in: Regenerate.
4553 2009-06-04  Doug Kwan  <dougkwan@google.com>
4555         * layout.cc (Layout::section_name_mapping): Add mapping for
4556         special ARM sections.
4558 2009-06-03  Doug Kwan  <dougkwan@google.com>
4560         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4561         (utils::has_overflow): Same.
4563 2009-06-03  Ian Lance Taylor  <iant@google.com>
4565         * layout.cc (Layout::section_name_mapping): New array, replacing
4566         Layout::linkonce_mapping.
4567         (Layout::section_name_mapping_count): New variable, replacing
4568         Layout::linkonce_mapping_count.
4569         (Layout::linkonce_output_name): Remove.
4570         (Layout::output_section_name): Rewrite.
4571         * layout.h (class Layout): Rename Linkonce_mapping to
4572         Section_name_mapping, linkonce_mapping to section_name_mapping,
4573         linkonce_mapping_count to section_name_mapping_count.  Don't
4574         declare linkonce_output_name.
4576 2009-06-03  Doug Kwan  <dougkwan@google.com>
4578         * gold/arm.cc (namespace utils): New.
4579         (Target_arm::reloc_is_non_pic): Define new method.
4580         (class Arm_relocate_functions): New.
4581         (Target_arm::Relocate::relocate): Handle relocation types used by
4582         Android.
4584 2009-06-03  Ian Lance Taylor  <iant@google.com>
4586         * arm.cc (Target_arm::scan::global): Use || instead of |.
4588 2009-06-02  Doug Kwan  <dougkwan@google.com>
4590         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4591         issued_non_pic_error_.
4592         (class Target_arm::Scan): Declare new method check_non_pic.
4593         Define new method symbol_needs_plt_entry.
4594         Declare new data member issued_non_pic_error_.
4595         (class Target_arm::Relocate): Declare new method
4596         should_apply_static_reloc.
4597         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4598         (Target_arm::Scan::check_non_pic): Define new method.
4599         (Target_arm::Scan::local): Handle a small subset of reloc types used
4600         by Android.
4601         (Target_arm::Scan::local): Same.
4602         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4604 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4606         * incremental.cc (Incremental_inputs::report_command_line): Filter
4607         out --incremental-* options.
4609 2009-05-29  Doug Kwan  <dougkwan@google.com>
4611         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4612         template class.
4613         (class Target_arm): Update comment.
4614         (Target_arm::Target_arm): Initialize new data members GOT_,
4615         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4616         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4617         and Target_arm::rel_dyn_section.
4618         Declare new_enum Target_arm::Got_type.
4619         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4620         and DYNBSS_.
4621         Update commments for member do_dynsym_value.
4622         (Target_arm::got_size, Target_arm::plt_section,
4623         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4624         new methods inside class defintion.
4625         (Target_arm::got_section): Define new method.
4626         (Target_arm::rel_dyn_section): Same.
4627         (Output_data_plt_arm): New template class.
4628         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4629         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4630         (Output_data_plt_arm::add_entry): Same.
4631         (Output_data_plt_arm::first_plt_entry): Define new
4632         static data member for PLT instruction template.
4633         (Output_data_plt_arm::plt_entry): Same.
4634         (Output_data_plt_arm::do_write): Define new method.
4635         (Target_arm::make_plt_entry): Same.
4636         (Target_arm::do_finalize_sections): Same.
4637         (Target_arm::do_dynsym_value): Same.
4639 2009-05-28  Doug Kwan  <dougkwan@google.com>
4641         * Makefile.am (TARGETSOURCES): Add arm.cc.
4642         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4643         * Makefile.in: Regenerate.
4644         * arm.cc: New file.
4645         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4647 2009-05-26  Doug Kwan  <dougkwan@google.com>
4649         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4650         (General_options::check_excluded_libs): Strip off directories in
4651         archive name before matching like GNU ld does.
4652         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4653         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4654         (exclude_libs_test_LDFLAGS): Add linker option
4655         -Wl,--exclude-libs,libexclude_libs_test_3
4656         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4657         an explicit archive without using -l.
4658         (alt/libexclude_libs_test_3.a): New make rule.
4659         * testsuite/Makefile.in: Regenerate.
4660         * testsuite/exclude_libs_test.c : Declare lib3_default().
4661         (main): Call it.
4662         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4663         * exclude_libs_test_3.c: New file.
4665 2009-05-26  Nick Clifton  <nickc@redhat.com>
4667         * po/id.po: New Indonesian translation.
4668         * po/gold.pot: Updated template file.
4670 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4672         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4673         gc_comdat_test files.  Add -Wl,--gc-sections to build
4674         gc_comdat_test.
4675         * testsuite/Makefile.in: Regenerate.
4676         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4678 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4680         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4681         kept comdat section was garbage collected.
4682         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4683         * testsuite/Makefile.in: Regenerate.
4684         * testsuite/gc_comdat_test.sh: New file.
4685         * testsuite/gc_comdat_test_1.cc: New file.
4686         * testsuite/gc_comdat_test_2.cc: New file.
4688 2009-05-19  Doug Kwan  <dougkwan@google.com>
4690         * archive.cc (Archive::Archive): Move constructor from archive.h
4691         to here.  Initialize no_export_.
4692         (Archive::get_elf_object_for_member): Set no_export flag of object.
4693         * archive.h (Archive::Archive): Move constructor body to
4694         archive.cc.
4695         (Archive::no_export): New method.
4696         (Archive::no_export_): New field.
4697         * object.h (Object::Object): Initialize no_export_ to false.
4698         (Object::no_export, Object::set_no_export): New methods.
4699         (Object::no_export_): New field.
4700         * options.cc (General_options::parse_exclude_libs): New method.
4701         (General_options::check_excluded_libs) Same.
4702         * options.h (exclude_libs): New option.
4703         (General_options::check_excluded_libs): New method declaration.
4704         (General_options::excluded_libs_): New field.
4705         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4706         default or protected visibility if an object has no-export flag set.
4707         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4708         (check_SCRIPTS): Add exclude_libs_test.sh.
4709         (check_DATA): Add exclude_libs_test.syms.
4710         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4711         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4712         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4713         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4714         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4715         libexclude_libs_test_2.a): New rules.
4716         * testsuite/Makefile.in: Regenerate.
4717         * testsuite/exclude_libs_test.c: New file.
4718         * testsuite/exclude_libs_test.sh: Ditto.
4719         * testsuite/exclude_libs_test_1.c: Ditto.
4720         * testsuite/exclude_libs_test_2.c: Ditto.
4722 2009-05-15  Ian Lance Taylor  <iant@google.com>
4724         * configure.ac: Check for declarations for cases where libiberty.h
4725         checks HAVE_DECL_xxx.
4726         * configure, config.in: Rebuild.
4728 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4730         * gold.h (Incremental_argument_list): Remove (invalid) forward
4731         declaration.
4732         * incremental.cc (Incremental_inputs::report_achive): New method.
4733         (Incremental_inputs::report_object): New method.
4734         (Incremental_inputs::report_script): New method.
4735         (Incremental_inputs::finalize_inputs): New method.
4736         (Incremental_inputs::finalize): Call finalize_inputs().
4737         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4738         Create inputs entries.
4739         * incremental.h (Incremental_input_type): New enum.
4740         (Incremental_inputs::Incremental_input): Initialize new fields.
4741         (Incremental_inputs::report_inputs): New method.
4742         (Incremental_inputs::report_achive): New method.
4743         (Incremental_inputs::report_object): New method.
4744         (Incremental_inputs::report_script): New method.
4745         (Incremental_inputs::finalize_inputs): New method.
4746         (Incremental_inputs::Input_info): New struct.
4747         (Incremental_inputs::Input_info_map): New typedef.
4748         (Incremental_inputs::lock_): New field.
4749         (Incremental_inputs::Inputs_): New field.
4750         (Incremental_inputs::Inputs_map): New field.
4751         * main.cc (main): Call Incremental_input::report_inputs.
4752         * options.h (Input_argument_list): Typedef moved from
4753         Input_arguments.
4754         (Input_file_group::Files): Remove, use ::Input_argument_list.
4755         (Input_file_group::Input_argument_list): Remove, use
4756         ::Input_argument_list.
4757         * plugin.cc (Plugin_manager::add_input_file): Add error in
4758         incremental build.
4759         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4760         functions.
4761         * script.cc (read_input_script): Call
4762         Incremental_input::report_script.
4763         * script.h (Script_info): New class.
4765 2009-04-27  Ian Lance Taylor  <iant@google.com>
4767         * x86_64.cc (do_adjust_output_section): Set entsize to
4768         plt_entry_size.
4770 2009-04-23  Elliott Hughes  <enh@google.com>
4772         * output.cc (Output_file::close): After short writes, continue
4773         writing from the correct offset in the buffer being written.
4775 2009-04-23  Chris Demetriou  <cgd@google.com>
4777         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4778         * configure: Regenerate.
4779         * config.in: Regenerate.
4780         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4781         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4783 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4785         * incremental.cc (Incremental_inputs_header_data): Renamed from
4786         Incremental_input_header_data.
4787         (Incremental_inputs_header_data::data_size): New field.
4788         (Incremental_inputs_header_data::put_input_file_count): Renamed
4789         from input_file_count.
4790         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4791         from command_line_offset.
4792         (Incremental_inputs_header_data::put_reserved): Renamed from
4793         put_reserved.
4794         (Incremental_inputs_entry_data): Renamed from
4795         Incremental_input_entry_data.
4796         (Incremental_inputs_entry_data::data_size): New field.
4797         (Incremental_inputs::report_command_line): New method.
4798         (Incremental_inputs::finalize): New method.
4799         (Incremental_inputs::create_incremental_inputs_data): New method.
4800         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4801         * incremental.h: New file.
4802         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4803        (Layout::finalize): Create incremental inputs section in
4804         incremental builds.
4805        (Layout::create_incremental_info_sections): New method.
4806         * layout.h (Layout::incremental_inputs): New method.
4807        (Layout::create_incremental_info_sections): New method.
4808        (Layout::incremental_inputs_): New field.
4809         * main.cc (main): Notify Incremental_input of the command line.
4811 2009-04-01  Ian Lance Taylor  <iant@google.com>
4812             Mikolaj Zalewski  <mikolajz@google.com>
4814         * gold.h (reserve_unordered_map): Define, three versions, one for
4815         each version of Unordered_map.
4816         * layout.cc (Layout::Layout): Remove options parameter.  Add
4817         number_of_input_files parameter.  Don't initialize options_.
4818         Initialize number_of_input_files_ and resized_signatures_.  Move
4819         sections_are_attached_.
4820         (Layout::layout_group): Reserve space for group_signatures_.
4821         (Layout::find_or_add_kept_section): Change name parameter to be a
4822         reference.  Resize signatures_ map when it gets large enough.
4823         (Layout::layout_eh_frame): Use parameters->options() instead of
4824         this->options_.
4825         (Layout::make_output_section): Likewise.
4826         (Layout::attach_allocated_section_to_segment): Likewise.
4827         (Layout::finalize, Layout::create_executable_stack): Likewise.
4828         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4829         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4830         * layout.h (class Layout): Update declarations.  Remove options_
4831         field.  Add number_of_input_files_ and resized_signatures_
4832         fields.  Move sections_are_attached_ field.
4833         * main.cc (main): Pass number of input files to Layout
4834         constructor.  Don't pass options.
4836 2009-03-30  Ian Lance Taylor  <iant@google.com>
4838         * ffsll.c (ffsll): Correct implementation.
4840 2009-03-27  Ian Lance Taylor  <iant@google.com>
4842         * ffsll.c: New file.
4843         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4844         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4845         * ftruncate.c (ftruncate): Declare before definition.
4846         * mremap.c (mremap): Likewise.
4847         * pread.c (pread): Likewise.
4848         * configure, Makefile.in, config.in: Rebuild.
4850         * mremap.c: New file.
4851         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4852         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4853         (mremap): Declare if HAVE_MREMAP is not defined.
4854         * configure, Makefile.in, config.in: Rebuild.
4856 2009-03-27  Cary Coutant  <ccoutant@google.com>
4858         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4859         position independent.
4860         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4861         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4863 2009-03-24  Cary Coutant  <ccoutant@google.com>
4865         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4866         an executable.
4867         (needs_dynamic_reloc): Likewise.
4869 2009-03-24  Ian Lance Taylor  <iant@google.com>
4871         * yyscript.y (file_cmd): Recognize EXTERN.
4872         (extern_name_list, extern_name_list_body): New nonterminals.
4873         * script.cc (script_add_extern): Define.
4874         * script-c.h (script_add_extern): Declare.
4876 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4878         * object.cc (is_elf_object): Define.
4879         * object.h (is_elf_object): Declare.
4880         * archive.cc (Archive::get_elf_object_for_member): Call
4881         is_elf_object.
4882         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4884 2009-03-24  Elliott Hughes  <enh@google.com>
4886         * output.cc (Output_file::map_anonymous): Define.
4887         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4888         try an anonymous one.  Report the size if the mmap fails.
4889         * output.h (class Output_file): Declare map_anonymous.
4891 2009-03-24  Ian Lance Taylor  <iant@google.com>
4893         * target-select.cc (instantiate_target): Don't acquire the lock if
4894         the instantiated_target_ field has already been set.
4896 2009-03-23  Ian Lance Taylor  <iant@google.com>
4898         * gold-threads.h (class Initialize_lock): Define.
4899         * gold-threads.cc (class Initialize_lock_once): Define.
4900         (initialize_lock_control): New static variable.
4901         (initialize_lock_pointer): New static variable.
4902         (initialize_lock_once): New static function.
4903         (Initialize_lock::Initialize_lock): Define.
4904         (Initialize_lock::initialize): Define.
4905         * target-select.h: Include "gold-threads.h".
4906         (class Target_selector): Add lock_ and initialize_lock_ fields.
4907         Don't define instantiate_target, just declare it.
4908         * target-select.cc (Target_selector::Target_selector): Initialize
4909         new fields.
4910         (Target_selector::instantiate_target): Define.
4911         * descriptors.h: Include "gold-threads.h".
4912         (class Descriptors): Add initialize_lock_ field.
4913         * descriptors.cc (Descriptors::Descriptors): Initialize new
4914         field.
4915         (Descriptors::open): Use initialize_lock_ field
4916         * errors.h (class Errors): Add initialize_lock_ field.
4917         * errors.cc (Errors::Errors): Initialize new field.
4918         (Errors::initialize_lock): Use initialize_lock_ field.
4919         * powerpc.cc (class Target_selector_powerpc): Remove
4920         instantiated_target_ field.  In do_recognize call
4921         instantiate_target rather than do_instantiate_target.  In
4922         do_instantiate_target just allocate a new target.
4923         * sparc.cc (class Target_selector_sparc): Likewise.
4925         * freebsd.h: New file.
4926         * i386.cc: Include "freebsd.h".
4927         (Target_i386): Derive from Target_freebsd rather than
4928         Sized_target.
4929         (Target_selector_i386): Derive from Target_selector_freebsd rather
4930         than Target_selector.
4931         * x86_64.cc: Include "freebsd.h".
4932         (Target_x86_64): Derive from Target_freebsd rather than
4933         Sized_target.
4934         (Target_selector_x86_64): Derive from Target_selector_freebsd
4935         rather than Target_selector.
4936         * target.h (class Target): Add adjust_elf_header and
4937         do_adjust_elf_header.
4938         * output.cc (Output_file_header:: do_sized_write): Call target
4939         adjust_elf_header routine.
4940         * configure.tgt: Set targ_osabi.
4941         * configure.ac: Define GOLD_DEFAULT_OSABI.
4942         * parameters.cc (Parameters::default_target): Pass
4943         GOLD_DEFAULT_OSABI to select_target.
4944         * target-select.h (class Target_selector): Make instantiate_target
4945         protected rather than private.
4946         * Makefile.am (HFILES): Add freebsd.h.
4947         * configure, Makefile.in, config.in: Rebuild.
4949         * merge.cc (do_add_input_section): Correct pend value.  Change
4950         message about last entry not being null terminated from error to
4951         warning.
4953 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
4955         * incremental.cc: New file.
4956         * Makefile.am (CCFILES): Add incremental.cc.
4957         * Makefile.in: Rebuild.
4959 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
4961         * layout.cc (Layout::output_section_name): Preserve names
4962         of '.note.' sections.
4963         
4964 2009-03-19  Ian Lance Taylor  <iant@google.com>
4966         * descriptors.cc (Descriptors::open): Check that the options are
4967         valid before using them.
4969 2009-03-18  Ian Lance Taylor  <iant@google.com>
4971         * script-sections.h: Include <list>.
4972         (class Script_sections): Change Sections_elements from std::vector
4973         to std::list.  Typedef public Elements_iterator.  Add
4974         orphan_section_placement_, data_segment_align_start_, and
4975         saw_data_segment_align_ fields.  Remove data_segment_align_index_
4976         field.
4977         * script-sections.cc (class Orphan_section_placement): New class.
4978         (class Sections_element): Add virtual functions is_relro and
4979         orphan_section_init.  Remove virtual function place_orphan_here.
4980         (class Output_section_definition): Add is_relro and
4981         orphan_section_init.  Remove place_orphan_here.
4982         (class Orphan_output_section): Likewise.
4983         (Script_sections::Script_sections): Update for field changes.
4984         (Script_sections::data_segment_align): Set saw_data_segment_align_
4985         and data_segment_align_start_, not data_segment_align_index.
4986         (Script_sections::data_segment_relro_end): Check
4987         saw_data_segment_align_.  Use data_segment_align_start_ rather
4988         than data_segment_align_index_.
4989         (Script_sections::place_orphan): Rewrite to use
4990         Orphan_section_placement.
4992 2009-03-17  Ian Lance Taylor  <iant@google.com>
4994         * archive.cc (Archive::add_symbols): Check for a version attached
4995         to the symbol name in the archive map.
4996         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4997         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4998         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4999         (ver_test_11.a): New target.
5000         * testsuite/Makefile.in: Rebuild.
5002         * configure.ac: Check for chsize and posix_fallocate.  Replace
5003         ftruncate.
5004         * ftruncate.c: New file, from gnulib.
5005         * output.cc (posix_fallocate): Define dummy version if not
5006         HAVE_POSIX_FALLOCATE.
5007         (Output_file::map): Call posix_fallocate rather than lseek and
5008         write.
5009         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5010         * configure, Makefile.in, config.in: Rebuild.
5012 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5013         
5014         * layout.h (Layout::create_note): Add section_name parameter.
5015         * layout.cc (Layout::create_note): Likewise.
5016         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5017         
5018 2009-03-17  Ian Lance Taylor  <iant@google.com>
5020         * descriptors.cc: Include "options.h".
5021         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5022         (Descriptors::open): Always use O_CLOEXEC when opening a new
5023         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5024         then set FD_CLOEXEC.
5026         * sparc.cc (class Target_sparc): Add has_got_section.
5027         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5028         make sure we have a GOT section.
5030         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5031         (Target_sparc::Scan::local): Likewise.
5032         (Target_sparc::Scan::global): Likewise.
5033         (Target_sparc::Relocate::relocate): Likewise.
5034         (Target_sparc::Relocate::relocate_tls): Likewise.
5036         * symtab.cc (Symbol_table::define_default_version): New function,
5037         broken out of add_from_object.
5038         (Symbol_table::add_from_object): Call define_default_version.
5039         (Symbol_table::define_special_symbol): Add resolve_oldsym
5040         parameter.  Change all callers.  If the version for a symbol comes
5041         from a version script, resolve it with the symbol with the same
5042         name with no version.  Also add the symbol without a version if
5043         appropriate.
5044         (do_define_in_output_data): If resolving with oldsym, don't delete
5045         sym.
5046         (do_define_in_output_segment): Likewise.
5047         (do_define_as_constant): Likewise.
5048         * symtab.h (class Symbol_table): Update declarations.
5050 2009-03-13  Ian Lance Taylor  <iant@google.com>
5052         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5053         (Read_symbols::requeue): New function.
5054         (Read_symbols::do_read_symbols): If make_elf_object fails because
5055         the target type is not configured, and the file was searched for,
5056         issue a warning and retry with the next directory.
5057         (Add_symbols::run): If the file has an incompatible format, and
5058         it was searched for, requeue the Read_symbols task.  On error,
5059         release the object.
5060         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5061         dirindex parameter to constructor.  Change all callers.  Declare
5062         incompatible_warning and requeue.
5063         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5064         input_argument_ and input_group_ fields.  Add them to
5065         constructor.  Change all callers.
5066         (class Read_script): Add dirindex_ field.  Add it to constructor.
5067         Change all callers.
5068         * archive.cc (Archive::setup): Remove input_objects parameter.
5069         Change all callers.
5070         (Archive::get_file_and_offset): Likewise.
5071         (Archive::read_all_symbols): Likewise.
5072         (Archive::read_symbols): Likewise.
5073         (Archive::get_elf_object_for_member): Remove input_objects
5074         parameter.  Add punconfigured parameter.  Change all callers.
5075         (Archive::add_symbols): Change return type to bool.  Check return
5076         value of include_member.
5077         (Archive::include_all_members): Likewise.
5078         (Archive::include_member): Change return type to bool.  Return
5079         false if first included object has incompatible target.  Set
5080         included_member_ field.
5081         (Add_archive_symbols::run): If add_symbols returns false, requeue
5082         Read_symbols task.
5083         * archive.h (class Archive): Add included_member_ field.
5084         Initialize it in constructor.  Add input_file and searched_for
5085         methods.  Update declarations.
5086         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5087         input_argument_ fields.  Add them to constructor.  Change all
5088         callers.
5089         * script.cc: Include "target-select.h".
5090         (class Parser_closure): Add skip_on_incompatible_target_ and
5091         found_incompatible_target_ fields.  Add
5092         skip_on_incompatible_target parameter to constructor.  Change all
5093         callers.  Add methods skip_on_incompatible_target,
5094         clear_skip_on_incompatible_target, found_incompatible_target, and
5095         set_found_incompatible_target.
5096         (read_input_script): Add dirindex parameter.  Change all callers.
5097         If parser finds an incompatible target, requeue Read_symbols
5098         task.
5099         (script_set_symbol): Clear skip_on_incompatible_target in
5100         closure.
5101         (script_add_assertion, script_parse_option): Likewise.
5102         (script_start_sections, script_add_phdr): Likewise.
5103         (script_check_output_format): New function.
5104         * script.h (read_input_script): Update declaration.
5105         * script-c.h (script_check_output_format): Declare.
5106         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5107         (ignore_cmd): Remove OUTPUT_FORMAT.
5108         * fileread.cc (Input_file::Input_file): Add explicit this.
5109         (Input_file::will_search_for): New function.
5110         (Input_file::open): Add pindex parameter.  Change all callers.
5111         * fileread.h (class Input_file): Add input_file_argument method.
5112         Declare will_search_for.  Update declarations.
5113         * object.cc (make_elf_object): Add punconfigured parameter.
5114         Change all callers.
5115         * object.h (class Object): Make input_file public.  Add
5116         searched_for method.
5117         (make_elf_object): Update declaration.
5118         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5119         restart search.
5120         * dirsearch.h (class Dirsearch): Update declaration.
5121         * options.h (class General_options): Add --warn-search-mismatch.
5122         * parameters.cc (Parameters::is_compatible_target): New function.
5123         * parameters.h (class Parameters): Declare is_compatible_target.
5124         * workqueue.cc (Workqueue::add_blocker): New function.
5125         * workqueue.h (class Workqueue): Declare add_blocker.
5127         * fileread.cc (Input_file::open): Remove options parameter.
5128         Change all callers.
5129         (Input_file::open_binary): Likewise.
5130         * script.cc (read_input_script): Likewise.
5131         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5132         options parameter from constructor.  Change all callers.
5133         (class Read_script): Likewise.
5134         * fileread.h (class Input_file): Update declarations.
5135         * script.h (read_input_script): Update declaration.
5137 2009-03-10  Nick Clifton  <nickc@redhat.com>
5139         * po/es.po: New Spanish translation.
5141 2009-03-06  Cary Coutant  <ccoutant@google.com>
5143         * options.cc (parse_short_option): Keep dash_z from registering itself.
5145 2009-03-03  Ian Lance Taylor  <iant@google.com>
5147         PR 9918
5148         * target-reloc.h (relocate_section): Pass output_section to
5149         relocate.
5150         * i386.cc (Target_i386::should_apply_static_reloc): Add
5151         output_section parameter.  Change all callers.
5152         (Target_i386::Relocate::relocate): Add output_section parameter.
5153         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5154         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5155         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5156         * testsuite/two_file_shared.sh: New script.
5157         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5158         (check_DATA): Add two_file_shared.dbg.
5159         (two_file_shared.dbg): New target.
5160         * testsuite/Makefile.in: Rebuild.
5162 2009-03-01  Ian Lance Taylor  <iant@google.com>
5164         * configure.ac: Check for byteswap.h.
5165         * configure: Rebuild.
5166         * config.in: Rebuild.
5168 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5170         * layout.cc (Layout::find_or_add_kept_section): New function.
5171         (Layout::add_comdat): Removed.
5172         * layout.h (struct Kept_section): Move out of class Layout.
5173         Remove trailing underscores from field names.  Add group_sections
5174         field.  Rename group_ field to is_group.  Change all uses.
5175         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5176         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5177         comdat_groups_ field.
5178         (Sized_relobj::include_section_group): Use
5179         find_or_add_kept_section and Kept_section::group_sections.
5180         (Sized_relobj::include_linkonce_section): Likewise.
5181         * object.cc (class Sized_relobj): Don't define Comdat_group or
5182         Comdat_group_table.  Remove find_comdat_group and
5183         add_comdat_group.  Remove comdat_groups_ field.
5184         * plugin.cc (include_comdat_group): Use
5185         Layout::find_or_add_kept_section.
5187 2009-02-28  Ian Lance Taylor  <iant@google.com>
5189         * README: --gc-sections and map files are now supported.  Document
5190         some build requirements.
5192         PR 6992
5193         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5194         relocatable link set the value of the section symbol to zero.
5195         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5196         relocatable link don't include the section address in the local
5197         symbol value.
5199 2009-02-27  Ian Lance Taylor  <iant@google.com>
5201         PR 6811
5202         * options.h (class Search_directory): Add is_system_directory.
5203         (class General_options): Declare is_in_system_directory.
5204         * options.cc (get_relative_sysroot): Make static.
5205         (get_default_sysroot): Make static.
5206         (General_optoins::is_in_system_directory): New function.
5207         * fileread.cc (Input_file::is_in_system_directory): New function.
5208         * fileread.h (class Input_file): Declare is_in_system_directory.
5209         * object.h (class Object): Add is_in_system_directory.
5210         (class Input_objects): Remove system_library_directory_ field.
5211         * object.cc (Input_objects::add_object): Don't set
5212         system_library_directory_.
5213         (input_objects::found_in_system_library_directory): Remove.
5214         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5215         parameter.  Change all callers.
5216         (Symbol_table::sized_write_globals): Likewise.
5217         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5218         Call Object::is_in_system_directory.
5219         * symtab.h (class Symbol_table): Update declarations.
5221         PR 5990
5222         * descriptors.h (Open_descriptor): Add is_on_stack field.
5223         * descriptors.cc (Descriptors::open): If the descriptor is on the
5224         top of the stack, remove it.  Initialize is_on_stack field.
5225         (Descriptors::release): Only add pod to stack if it is not on the
5226         stack already.
5227         (Descriptors::close_some_descriptor): Clear stack_next and
5228         is_on_stack fields.
5230         PR 7091
5231         * output.cc (Output_section::find_starting_output_address): Rename
5232         from starting_output_address; add PADDR parameter; change return
5233         type.
5234         * output.h (class Output_section): Declare
5235         find_starting_output_address instead of starting_output_address.
5236         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5237         section symbol for which we can't find a merge section.
5239         PR 9836
5240         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5241         hidden or internal, force the symbol to be local.
5242         * resolve.cc (Symbol::override_visibility): Define.
5243         (Symbol::override_base): Use override_visibility.
5244         (Symbol_table::resolve): Likewise.
5245         (Symbol::override_base_with_special): Likewise.
5246         (Symbol_table::override_with_special): If the visibility is hidden
5247         or internal, force the symbol to be local.
5248         * symtab.h (class Symbol): Add set_visibility and
5249         override_visibility.
5250         * testsuite/ver_test_1.sh: New file.
5251         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5252         (check_DATA): Add ver_test_1.syms.
5253         (ver_test_1.syms): New target.
5254         * testsuite/Makefile.in: Rebuild.
5256 2009-02-25  Cary Coutant  <ccoutant@google.com>
5258         * layout.cc (Layout::choose_output_section): Don't rename sections
5259         when using a linker script that has a SECTIONS clause.
5260         * Makefile.in: Regenerate.
5262         * testsuite/Makefile.am (script_test_5.sh): New test case.
5263         * testsuite/Makefile.in: Regenerate.
5264         * testsuite/script_test_5.cc: New file.
5265         * testsuite/script_test_5.sh: New file.
5266         * testsuite/script_test_5.t: New file.
5268 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5270         * archive.cc (Archive::include_member): Update calls to add_symbols.
5271         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5272         the Layout argument.
5273         * dynobj.h (do_add_symbols): Add the Layout argument.
5274         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5275         Layout argument.
5276         * object.h (Object::add_symbols): Add the Layout argument.
5277         (Object::do_add_symbols): Add the Layout argument.
5278         (Sized_relobj::do_add_symbols): Add the Layout argument.
5279         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5280         Unify the two versions.
5281         (Add_plugin_symbols): Remove.
5282         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5283         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5284         (Add_plugin_symbols): Remove.
5285         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5286         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5287         (Add_symbols::run): Make it work with Pulginobj.
5289 2009-02-06  Ian Lance Taylor  <iant@google.com>
5291         * object.cc (Sized_relobj::do_layout): Make info message start
5292         with lower case letter.
5294 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5296         * binary.cc: Fix file comment.
5298         * options.h (enum Incremental_disposition): Define.
5299         (class General_options): Add new options: --incremental,
5300         --incremental_changed, --incremental_unchanged,
5301         --incremental_unknown.  Add incremental_disposition_ and
5302         implicit_incremental_ fields.
5303         (General_options::incremental_disposition): New function.
5304         (class Position_dependent_options): Add incremental_disposition
5305         option.
5306         (Position_dependent_options::copy_from_options): Set incremental
5307         dispositions.
5308         * options.cc (General_options::parse_incremental_changed): New
5309         function.
5310         (General_options::parse_incremental_unchanged): New function.
5311         (General_options::parse_incremental_unknown): New function.
5312         (General_options::General_options): Initialize new fields
5313         incremental_disposition_ and implicit_incremental_.
5314         (General_options::finalize): Check for uasge of --incremental-*
5315         without --incremental.
5317 2009-02-06  Chris Demetriou  <cgd@google.com>
5319         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5320         pointer and to report location as the file name associated with
5321         the symbol.
5322         (gold_undefined_symbol_at_location): New function to replace the
5323         old gold_undefined_symbol functionality.
5324         * target-reloc.h (relocate_section): Update to use
5325         gold_undefined_symbol_at_location.
5326         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5327         Call gold_undefined_symbol function rather than gold_error.
5328         * errors.h (Errors::undefined_symbol): Take location as a
5329         string, rather than calculating it from a relocation.
5330         * errors.cc (Errors::fatal): Print "fatal error:" before the
5331         formatted message.
5332         (Errors::error, Errors::error_at_location): Print "error: "
5333         before the formatted message.
5334         (Errors::undefined_symbol): Take location as a string, rather
5335         than calculating it from a relocation.
5336         (gold_undefined_symbol_at_location): New function akin to
5337         old gold_undefined_symbol, calculates location from relocation.
5338         (gold_undefined_symbol): Change to take only a Symbol pointer
5339         and to report location as the file name associated with the symbol.
5340         * testsuite/debug_msg.sh: Update for changed error messages.
5341         * testsuite/undef_symbol.sh: Likewise.
5343 2009-02-04  Duncan Sands  <baldrick@free.fr>
5345         PR 9812
5346         * reduced_debug_output.h
5347         (Output_reduced_debug_abbrev_section::failed): Use format for
5348         gold_warning.
5349         (Output_reduced_debug_info_section::faild): Likewise.
5351 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5353         * script.cc (Lazy_demangler): New class.
5354         (Version_script_info::get_symbol_version_helper): Demangle a
5355         symbol only once.
5357 2009-01-29  Cary Coutant  <ccoutant@google.com>
5359         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5360         to __tls_get_addr.
5361         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5363 2009-01-28  Ian Lance Taylor  <iant@google.com>
5365         * version.cc (version_string): Bump to 1.9.
5367         * gold.h: Include <cstring> and <stdint.h>.
5368         * version.cc: Include <cstdio>.
5369         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5370         warning.
5371         * reduced_debug_output.cc (insert_into_vector): Rename from
5372         Insert_into_vector; change all callers.  Use Swap_unaligned to
5373         avoid aliasing issue; remove union since it is unnecessary.
5375 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5377         * Makefile.am (CCFILES): Add gc.cc.
5378         (HFILES): Add gc.h.
5379         * Makefile.in: Regenerate.
5380         * gold.cc (Gc_runner): New class.
5381         (queue_initial_tasks): Call garbage collection related tasks
5382         when corresponding options are invoked.
5383         (queue_middle_gc_tasks): New function.
5384         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5385         processed early before laying out sections during garbage collection.
5386         * gold.h (queue_middle_gc_tasks): New function.
5387         (is_prefix_of): Move from "layout.cc".
5388         * i386.cc (Target_i386::gc_process_relocs): New function.
5389         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5390         * main.cc (main): Create object of class "Garbage_collection".
5391         * object.cc (Relobj::copy_symbols_data): New function.
5392         (Relobj::is_section_name_included): New function.
5393         (Sized_relobj::do_layout): Allow this function to be called twice 
5394         during garbage collection and defer layout of section during the 
5395         first call.
5396         * object.h (Relobj::get_symbols_data): New function.
5397         (Relobj::is_section_name_included): New function.
5398         (Relobj::copy_symbols_data): New function.
5399         (Relobj::set_symbols_data): New function.
5400         (Relobj::get_relocs_data): New function.
5401         (Relobj::set_relocs_data): New function.
5402         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5403         (Relobj::gc_process_relocs): New function.
5404         (Relobj::do_gc_process_relocs): New pure virtual function.
5405         (Relobj::sd_): New data member.
5406         (Sized_relobj::is_output_section_offset_invalid): New function.
5407         (Sized_relobj::do_gc_process_relocs): New function.
5408         * options.h (General_options::gc_sections): Modify to not be a no-op.
5409         (General_options::print_gc_sections): New option.
5410         * plugin.cc (Plugin_finish::run): Remove function call to
5411         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5412         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5413         * reloc.cc (Read_relocs::run): Add task to process relocs and
5414         determine unreferenced sections when doing garbage collection.
5415         (Gc_process_relocs): New class.
5416         (Sized_relobj::do_gc_process_relocs): New function.
5417         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5418         sections that are garbage collected.
5419         * reloc.h (Gc_process_relocs): New class.
5420         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5421         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5422         symbols whose corresponding sections are garbage collected.
5423         (Symbol_table::Symbol_table): Add new parameter for the garbage
5424         collection object.
5425         (Symbol_table::gc_mark_undef_symbols): New function.
5426         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5427         (Symbol_table::gc_mark_dyn_syms): New function.
5428         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5429         as garbage.
5430         (Symbol_table::add_from_object): Likewise.
5431         (Symbol_table::add_from_relobj): When building shared objects, do not
5432         treat externally visible symbols as garbage.
5433         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5434         table information for static and relocatable links.
5435         * symtab.h (Symbol_table::set_gc): New function.
5436         (Symbol_table::gc): New function.
5437         (Symbol_table::gc_mark_undef_symbols): New function.
5438         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5439         (Symbol_table::gc_mark_dyn_syms): New function.
5440         (Symbol_table::gc_): New data member.
5441         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5442         function.
5443         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5444         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5446 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5448         * options.h (General_options::gc_sections): Define as a no-op for now.
5449         (General_options::no_keep_memory): Ditto.
5450         (General_options::Bshareable): Define.
5451         * options.cc (General_options::finalize): Honor -Bshareable.
5453 2009-01-20  Andreas Schwab  <schwab@suse.de>
5455         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5456         read the value in the contents, since we don't use it.  Use the
5457         template endianness when writing.
5458         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5460 2009-01-19  Andreas Schwab  <schwab@suse.de>
5462         * configure.tgt (powerpc64-*): Fix targ_obj.
5464 2009-01-15  Ian Lance Taylor  <iant@google.com>
5466         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5467         local symbols when stripping all symbols.
5469 2009-01-14  Cary Coutant  <ccoutant@google.com>
5471         * output.cc (Output_reloc): Add explicit instantiations.
5473 2009-01-14  Cary Coutant  <ccoutant@google.com>
5475         * archive.cc (Archive::get_elf_object_for_member): Remove call
5476         to File_read::claim_for_plugin.
5477         * descriptors.cc (Descriptors::open): Remove reference to
5478         is_claimed.
5479         (Descriptors::claim_for_plugin): Remove.
5480         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5481         (Descriptors::is_claimed): Remove.
5482         (claim_descriptor_for_plugin): Remove.
5483         * fileread.cc (File_read::claim_for_plugin): Remove.
5484         * fileread.h (File_read::claim_for_plugin): Remove.
5485         (File_read::descriptor): Reopen descriptor if necessary.
5486         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5487         (Plugin_manager::all_symbols_read): Add task parameter. Change
5488         all callers.
5489         (Plugin_manager::get_input_file): New function.
5490         (Plugin_manager::release_input_file): New function.
5491         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5492         corresponding data member.
5493         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5494         and pass to base constructor. Change all callers.
5495         (get_input_file, release_input_file): New functions.
5496         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5497         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5498         (Plugin_manager::all_symbols_read): Add task parameter.
5499         (Plugin_manager::get_input_file): New function.
5500         (Plugin_manager::release_input_file): New function.
5501         (Plugin_manager::task_): New data member.
5502         (Pluginobj::Pluginobj): Add filesize parameter.
5503         (Pluginobj::filename): New function.
5504         (Pluginobj::descriptor): New function.
5505         (Pluginobj::filesize): New function.
5506         (Pluginobj::filesize_): New data member.
5507         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5508         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5509         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5511         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5512         with archive libraries.
5513         * testsuite/Makefile.in: Regenerate.
5514         * testsuite/plugin_test.c (struct sym_info): New type.
5515         (get_input_file, release_input_file): New static variables.
5516         (onload): Capture new transfer vector entries.
5517         (claim_file_hook): Stop reading at end of file according to filesize.
5518         Factor out parsing of readelf output into separate function.
5519         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5520         APIs and get the source file name from the symbol table.  Convert
5521         source file name to corresponding object file name.  Print info
5522         message when adding new input files.
5523         (parse_readelf_line): New function.
5524         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5525         * testsuite/plugin_test_2.sh: Likewise.
5526         * testsuite/plugin_test_3.sh: Likewise.
5527         * testsuite/plugin_test_4.sh: New test case.
5529 2009-01-07  Ian Lance Taylor  <iant@google.com>
5531         * version.cc (version_string): Bump to 1.8.
5533 2008-12-23  Cary Coutant  <ccoutant@google.com>
5535         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5536         * plugin.cc (Plugin_manager::finish): Rename as
5537         layout_deferred_objects.  Move cleanup to separate function.
5538         (Plugin_manager::cleanup): New function.
5539         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5540         separately.
5541         * plugin.h (Plugin_manager::finish): Rename as
5542         layout_deferred_objects.
5543         (Plugin_manager::cleanup): New function.
5544         (Plugin_manager::cleanup_done): New field.
5546 2008-12-23  Cary Coutant  <ccoutant@google.com>
5548         * plugin.cc (is_visible_from_outside): New function.
5549         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5550         so we don't return "IR only" status for exported symbols or -r links.
5552         * testsuite/Makefile.am (plugin_test_3): New test case.
5553         * testsuite/Makefile.in: Regenerate.
5554         * testsuite/plugin_test_3.sh: New file.
5556 2008-12-22  Cary Coutant  <ccoutant@google.com>
5558         * object.cc (Sized_relobj::layout_section): New function.
5559         (Sized_relobj::do_layout): Defer layout of input sections until after
5560         plugin has provided replacement files.
5561         (Sized_relobj::do_layout_deferred_sections): New function.
5562         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5563         (Relobj::layout_deferred_sections): New function.
5564         (Relobj::do_layout_deferred_sections): New function.
5565         (Sized_relobj::do_layout_deferred_sections): New function.
5566         (Sized_relobj::layout_section): New function.
5567         (Sized_relobj::Deferred_layout): New structure.
5568         (Sized_relobj::deferred_layout_): New field.
5569         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5570         Change all callers.  Layout deferred sections.
5571         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5572         references.
5573         (Plugin_hook::run): Move code from do_plugin_hook inline.
5574         (Plugin_hook::do_plugin_hook): Remove.
5575         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5576         (Plugin_manager::finish): Renamed, was cleanup.
5577         (Plugin_manager::should_defer_layout): New function.
5578         (Plugin_manager::add_deferred_layout_object): New function.
5579         (Plugin_manager::Deferred_layout_list): New type.
5580         (Plugin_manager::deferred_layout_objects_): New field.
5581         (Plugin_hook::do_plugin_hook): Remove.
5583 2008-12-17  Ian Lance Taylor  <iant@google.com>
5585         * options.h (class General_options): Add --no case for
5586         --export-dynamic.
5588 2008-12-16  Cary Coutant  <ccoutant@google.com>
5590         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5591         vector.
5592         (Plugin_manager::claim_file): Create plugin object even if
5593         plugin did not call the add_symbols callback.
5594         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5595         asking for more symbols than were added.
5596         * testsuite/Makefile.am (plugin_test_1): Add test case with
5597         no global symbols.
5598         (empty.syms): New target.
5599         * testsuite/Makefile.in: Regenerate.
5600         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5601         message. Don't call add_symbols if no globals.
5602         (all_symbols_read_hook): Don't provide replacement for empty
5603         claimed file.
5605 2008-12-12  Ian Lance Taylor  <iant@google.com>
5607         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5608         r_type == 0 for a local symbol with r_sym == 0.
5609         (scan_relocatable_relocs): Pass r_sym to
5610         local_non_section_strategy.
5611         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5612         r_sym parameter.
5614         * configure.ac: Update test for TLS descriptors: they are
5615         supported as of glibc 2.9.
5616         * configure: Rebuild.
5618 2008-12-11  Ian Lance Taylor  <iant@google.com>
5620         PR 7091
5621         * target-reloc.h (Default_scan_relocatable_relocs): For each
5622         function, map r_type == 0 to RELOC_DISCARD.
5624 2008-12-10  Cary Coutant  <ccoutant@google.com>
5626         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5627         object to override a kept COMDAT group from a plugin object.
5629 2008-12-09  Ian Lance Taylor  <iant@google.com>
5631         PR 7088
5632         * yyscript.y (file_cmd): Handle INPUT.
5634         * testsuite/initpri1.c: Change all declarations to be full
5635         prototypes by adding void, to avoid compiler warnings.
5637 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5639         * options.cc (General_options::parse_plugin_opt): New.
5640         (General_options::add_plugin): The argument now is just the filename.
5641         (General_options::add_plugin_option): New.
5642         * options.h (plugin_opt): New.
5643         (add_plugin): Change argument name.
5644         (add_plugin_option): New.
5645         * plugin.cc (Plugin::load): Don't parse the plugin option.
5646         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5647         (Plugin::add_option): New.
5648         (Plugin::args_): Change type.
5649         (Plugin::filename_): New.
5650         (Plugin_manager::add_plugin_option): New.
5651         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5652         * testsuite/Makefile.in: Regenerate.
5654 2008-12-05  Cary Coutant  <ccoutant@google.com>
5656         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5657         Handle --strip-lto-sections option.
5658         * options.h (strip_lto_sections): New option.
5660 2008-12-01  Cary Coutant  <ccoutant@google.com>
5662         * plugin.cc (ld_plugin_message): Change format parameter to const.
5663         Fix mismatch between new[] and delete.
5665 2008-11-14  Cary Coutant  <ccoutant@google.com>
5667         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5668         instead of -1U.
5670 2008-11-05  Craig Silverstein  <csilvers@google.com>
5672         * options.cc (General_options::parse_dynamic_list): New function.
5673         * options.h (General_options): New flags dynamic_list,
5674         dynamic_list_data, dynamic_list_cpp_new, and
5675         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5676         (General_options::in_dynamic_list): New function.
5677         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5678         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5679         (Lex::can_continue_name): Likewise.
5680         (yylex): Likewise.
5681         (read_script_file): New parameter script_options.
5682         (read_dynamic_list): New function.
5683         (Script_options::define_dynamic_list): New function.
5684         (dynamic_list_keyword_parsecodes): New variable.
5685         (dynamic_list_keywords): New variable.
5686         * script.h (Script_options::define_dynamic_list): New function
5687         prototype.
5688         (read_dynamic_list): New function prototype.
5689         * symtab.cc (strprefix): New macro.
5690         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5691         dynamic_list_data, dynamic_list_cpp_new, and
5692         dynamic_list_cpp_typeinfo.
5693         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5694         (dynamic_list_expr): New rule.
5695         (dynamic_list_nodes): Likewise.
5696         (dynamic_list_node): Likewise.
5697         * testsuite/Makefile.am (dynamic_list): New test.
5698         * testsuite/Makefile.in: Regenerated.
5699         * testsuite/dynamic_list.t: New file.
5700         * testsuite/dynamic_list.sh: New file.
5702 2008-11-05  Craig Silverstein  <csilvers@google.com>
5704         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5705         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5706         (t11_last): Likewise.
5707         * testsuite/ver_test_6.c (main): Likewise.
5709 2008-10-07  Cary Coutant  <ccoutant@google.com>
5711         * options.c (General_options::finalize): Add check for -static and
5712         -shared.
5713         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5714         is not empty.
5716 2008-10-02  Cary Coutant  <ccoutant@google.com>
5718         * plugin.cc (make_sized_plugin_object): Fix conditional
5719         compilation to work when not all targets are enabled.
5721 2008-09-29  Cary Coutant  <ccoutant@google.com>
5723         * archive.cc (Archive::get_file_and_offset): Use filename instead
5724         of name to get library path.
5725         (Archive::include_member): Unlock external member of a thin archive.
5727         * testsuite/Makefile.am (TEST_AR): New variable.
5728         (thin_archive_test_1): New test.
5729         (thin_archive_test_2): New test.
5730         * testsuite/Makefile.in: Regenerate.
5731         * testsuite/thin_archive_main.cc: New file.
5732         * testsuite/thin_archive_test_1.cc: New file.
5733         * testsuite/thin_archive_test_2.cc: New file.
5734         * testsuite/thin_archive_test_3.cc: New file.
5735         * testsuite/thin_archive_test_4.cc: New file.
5737 2008-09-29  Cary Coutant  <ccoutant@google.com>
5739         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5740         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5741         instead of -1U.
5742         (Sized_relobj::do_finalize_local_symbols): Likewise.
5743         (Sized_relobj::map_to_kept_section): Likewise.
5744         * object.h (Sized_relobj::invalid_address): New constant.
5745         (Sized_relobj::do_output_section_offset): Check for invalid_address
5746         and return -1ULL.
5747         * output.cc (Output_reloc::local_section_offset): Use constant
5748         invalid_address instead of -1U.
5749         (Output_reloc::get_address): Likewise.
5750         (Output_section::output_address): Change -1U to -1ULL.
5751         * output.h (Output_reloc::invalid_address): New constant.
5752         * reloc.cc (Sized_relobj::write_sections): Use constant
5753         invalid_address instead of -1U.
5754         (Sized_relobj::relocate_sections): Likewise.
5755         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5756         values for merge sections.
5757         * target-reloc.h (relocate_for_relocatable): Use constant
5758         invalid_address instead of -1U.
5760 2008-09-19  Cary Coutant  <ccoutant@google.com>
5762         Add plugin functionality for link-time optimization (LTO).
5763         * configure.ac (plugins): Add --enable-plugins option.
5764         * configure: Regenerate.
5765         * config.in: Regenerate.
5766         * Makefile.am (LIBDL): New variable.
5767         (CCFILES): Add plugin.cc.
5768         (HFILES): Add plugin.h.
5769         (ldadd_var): Add LIBDL.
5770         * Makefile.in: Regenerate.
5772         * archive.cc: Include "plugin.h".
5773         (Archive::setup): Don't preread archive symbols when using a plugin.
5774         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5775         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5776         files.
5777         (Archive::include_member): Add symbols from plugin objects.
5778         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5779         * descriptors.cc (Descriptors::open): Check for file descriptors
5780         abandoned by plugins.
5781         (Descriptors::claim_for_plugin): New function.
5782         * descriptors.h (Descriptors::claim_for_plugin): New function.
5783         (Open_descriptor::is_claimed): New field.
5784         (claim_descriptor_for_plugin): New function.
5785         * fileread.cc (File_read::claim_for_plugin): New function.
5786         * fileread.h (File_read::claim_for_plugin): New function.
5787         (File_read::descriptor): New function.
5788         * gold.cc: Include "plugin.h".
5789         (queue_initial_tasks): Add task to call plugin hooks for generating
5790         new object files.
5791         * main.cc: Include "plugin.h".
5792         (main): Load plugin libraries.
5793         * object.h (Pluginobj): Declare.
5794         (Object::pluginobj): New function.
5795         (Object::do_pluginobj): New function.
5796         (Object::set_target): New function.
5797         * options.cc: Include "plugin.h".
5798         (General_options::parse_plugin): New function.
5799         (General_options::General_options): Initialize plugins_ field.
5800         (General_options::add_plugin): New function.
5801         * options.h (Plugin_manager): Declare.
5802         (General_options): Add --plugin option.
5803         (General_options::has_plugins): New function.
5804         (General_options::plugins): New function.
5805         (General_options::add_plugin): New function.
5806         (General_options::plugins_): New field.
5807         * plugin.cc: New file.
5808         * plugin.h: New file.
5809         * readsyms.cc: Include "plugin.h".
5810         (Read_symbols::do_read_symbols): Check for archive before checking
5811         for ELF file.  Call plugin hooks to claim files.
5812         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5813         from a real object file; force override when processing replacement
5814         files.
5815         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5816         (Symbol::init_base_object): Likewise.
5817         (Symbol::init_base_output_data): Likewise.
5818         (Symbol::init_base_output_segment): Likewise.
5819         (Symbol::init_base_constant): Likewise.
5820         (Symbol::init_base_undefined): Likewise.
5821         (Symbol::output_section): Assert that object is not a plugin.
5822         (Symbol_table::add_from_pluginobj): New function.
5823         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5824         undefined.
5825         (Symbol_table::sized_write_globals): Likewise.
5826         (Symbol_table::add_from_pluginobj): Instantiate template.
5827         * symtab.h (Sized_pluginobj): Declare.
5828         (Symbol::in_real_elf): New function.
5829         (Symbol::set_in_real_elf): New function.
5830         (Symbol::in_real_elf_): New field.
5831         (Symbol_table::add_from_pluginobj): New function.
5833         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5834         (LIBDL): New variable.
5835         (LDADD): Add LIBDL.
5836         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5837         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5838         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5839         (MOSTLYCLEANFILES): Likewise.
5840         * testsuite/Makefile.in: Regenerate.
5841         * testsuite/plugin_test.c: New file.
5842         * testsuite/plugin_test_1.sh: New file.
5843         * testsuite/plugin_test_2.sh: New file.
5845 2008-09-16  Ian Lance Taylor  <iant@google.com>
5847         * target-reloc.h (relocate_section): Check whether a symbol is
5848         defined by the ABI before reporting an undefined symbol error.
5849         * target.h (Target::is_defined_by_abi): Make parameter const.
5850         (Target::do_is_defined_by_abi): Likewise.
5851         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5852         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5853         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5854         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5855         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5856         * testsuite/Makefile.in: Rebuild.
5858         * fileread.cc (make_view): Add casts to avoid warning.
5860 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5862         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5863         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5865 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5867         * options.h (General_options::output_is_executable): New.
5868         (General_options::output_is_pie): New.
5869         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5870         for shared libraries.
5871         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5873 2008-09-11  Chris Demetriou  <cgd@google.com>
5875         * options.h (origin): New -z option.
5876         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5877         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5878         in DT_FLAGS_1.
5880 2008-09-05  Cary Coutant  <ccoutant@google.com>
5882         * fileread.cc (File_read::make_view): Add check for attempt to map
5883         beyond end of file.
5885 2008-09-05  Cary Coutant  <ccoutant@google.com>
5887         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5888         explicit instantiations.
5890 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5892         PR gold/6858
5893         * options.cc (General_options::finalize): Allow undefined symbols
5894         in shlibs if linking -shared.
5896         PR gold/6859
5897         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5898         symbols as not needing a dynsym entry.
5900 2008-08-20  Craig Silverstein  <csilvers@google.com>
5902         * fileread.cc (File_read::open): Do not lock the file unless it
5903         was successfully opened.
5905 2008-08-14  Cary Coutant  <ccoutant@google.com>
5907         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5908         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5909         * testsuite/tls_test.cc (struct int128): 128-bit struct
5910         for testing TLS relocs with non-zero addend.
5911         (v12): New TLS variable.
5912         (t12): New test.
5913         (t_last): Add check for v12.
5914         * testsuite/tls_test.h (t12): New function.
5915         * testsuite/tls_test_main.cc (thread_routine): Call new test.
5917 2008-08-13  Ian Lance Taylor  <iant@google.com>
5919         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5920         set tls_segment_ or relro_segment_.
5921         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5922         when appropriate.
5923         * output.h (Output_section::clear_is_relro): New function.
5924         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5925         sections specially even when output_data_ is empty.
5926         (Output_segment::maximum_alignment): When first section is relro,
5927         only force alignment for PT_LOAD segments.
5928         * script.cc (script_data_segment_align): New function.
5929         (script_data_segment_relro_end): New function.
5930         * script-c.h (script_data_segment_align): Declare.
5931         (script_data_segment_relro_end): Declare.
5932         * script-sections.h (class Script_sections): Declare
5933         data_segment_align and data_segment_relro_end.  Add fields
5934         segment_align_index_ and saw_relro_end_.
5935         * script-sections.cc (class Sections_element): Add set_is_relro
5936         virtual function.  Add new bool* parameter to place_orphan_here.
5937         Add get_output_section virtual function.
5938         (class Output_section_definition): Add set_is_relro.  Add new
5939         bool* parameter to place_orphan_here.  Add get_output_section.
5940         Add is_relro_ field.
5941         (Output_section_definition::Output_section_definition): Initialize
5942         evaluated_address_, evaluated_load_address, evaluated_addralign_,
5943         and is_relro_ fields.
5944         (Output_section_definition::place_orphan_here): Add is_relro
5945         parameter.
5946         (Output_section_definition::set_section_addresses): Set relro for
5947         output section.
5948         (Output_section_definition::alternate_constraint): Likewise.
5949         (class Orphan_output_section): Add new bool* parameter to
5950         place_orphan_here.  Add get_output_section.
5951         (Orphan_output_section::place_orphan_here): Add is_relro
5952         parameter.
5953         (Script_sections::Script_sections): Initialize
5954         data_segment_align_index_ and saw_relro_end_.
5955         (Script_sections::data_segment_align): New function.
5956         (Script_sections::data_segment_relro_end): New function.
5957         (Script_sections::place_orphan): Set or clear is_relro.
5958         (Script_sections::set_section_addresses): Force alignment of first
5959         TLS section.
5960         * yyscript.y (exp): Call script_data_segment_align and
5961         script_data_segment_relro_end.
5962         * testsuite/relro_script_test.t: New file.
5963         * testsuite/relro_test.cc (using_script): Declare.
5964         (t1, t2): Test using_script.
5965         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5966         (relro_script_test_SOURCES): Define.
5967         (relro_script_test_DEPENDENCIES): Define.
5968         (relro_script_test_LDFLAGS): Define.
5969         (relro_script_test_LDADD): Define.
5970         (relro_script_test.so): New target.
5971         * testsuite/Makefile.in: Rebuild.
5973 2008-08-06  Cary Coutant <ccoutant@google.com>
5975         * archive.cc (Archive::total_archives, Archive::total_members)
5976         (Archive::total_members_loaded): New variables.
5977         (Archive::setup): Add parameter.  Add option to preread
5978         archive symbols.
5979         (Archive::read_armap): Add counter.
5980         (Archive::get_file_and_offset): New function.
5981         (Archive::get_elf_object_for_member): New function.
5982         (Archive::read_all_symbols): New function.
5983         (Archive::read_symbols): New function.
5984         (Archive::add_symbols): Add counters.
5985         (Archive::include_all_members): Use armap to find members if it's
5986         already built.
5987         (Archive::include_member): Skip reading symbols if already read.
5988         Factored code into Archive::get_file_and_offset and
5989         Archive::get_elf_object_for_member.  Changed call to
5990         Mapfile::report_include_archive_member.
5991         (Archive::print_stats): New function.
5992         * archive.h: Declare Object and Read_symbols_data classes.
5993         (Archive::Archive): Add initializers for new members.
5994         (Archive::setup): Add parameter.
5995         (Archive::print_stats): New function.
5996         (Archive::total_archives, Archive::total_members)
5997         (Archive::total_members_loaded): New variables.
5998         (Archive::get_file_and_offset): New function.
5999         (Archive::get_elf_object_for_member): New function.
6000         (Archive::read_all_symbols): New function.
6001         (Archive::read_symbols): New function.
6002         (Archive::Archive_member): New class.
6003         (Archive::members_): New member.
6004         (Archive::num_members_): New member.
6005         * main.cc: Include archive.h.
6006         (main): Call Archive::print_stats.
6007         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6008         archive parameter; member_name is now the fully-decorated name.
6009         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6010         * options.h: (General_options): Add --preread-archive-symbols option.
6011         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6012         Archive::setup.
6014 2008-08-04  Ian Lance Taylor  <iant@google.com>
6016         * symtab.h (Symbol::use_plt_offset): New function.
6017         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6018         * powerpc.cc (Relocate::relocate): Likewise.
6019         * sparc.cc (Relocate::relocate): Likewise.
6020         * x86_64.cc (Relocate::relocate): Likewise.
6021         * testsuite/weak_plt.sh: New test.
6022         * testsuite/weak_plt_main.cc: New test.
6023         * testsuite/weak_plt_shared.cc: New test.
6024         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6025         (check_PROGRAMS): Add weak_plt.
6026         (check_DATA): Add weak_plt_shared.so.
6027         (weak_plt_main_pic.o, weak_plt): New targets.
6028         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6029         * testsuite/Makefile.in: Rebuild.
6031         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6032         gcctestdir/ld.
6033         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6034         * testsuite/Makefile.in: Rebuild.
6036 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6038         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6039         * Makefile.in: Regenerate.
6040         * po/POTFILES.in: Regenerate.
6042 2008-07-29  Ian Lance Taylor  <iant@google.com>
6044         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6045         symbols before other symbols.
6046         * testsuite/script_test_2.cc (test_addr): Declare.
6047         (test_addr_alias): Declare.
6048         (main): Check that test_addr and test_addr_alias have the right
6049         values.
6050         * testsuite/script_test_2.t: Define test_addr_alias and
6051         test_addr.
6053 2008-07-24  Ian Lance Taylor  <iant@google.com>
6055         PR 5990
6056         * descriptors.cc: New file.
6057         * descriptors.h: New file.
6058         * gold-threads.h (class Hold_optional_lock): New class.
6059         * fileread.cc: Include "descriptors.h".
6060         (File_read::~File_read): Release descriptor rather than closing
6061         it.
6062         (File_read::open) [file]: Call open_descriptor rather than open.
6063         Set is_descriptor_opened_.
6064         (File_read::open) [memory]: Assert that descriptor is not open.
6065         (File_read::reopen_descriptor): New function.
6066         (File_read::release): Release descriptor.
6067         (File_read::do_read): Make non-const.  Reopen descriptor.
6068         (File_read::read): Make non-const.
6069         (File_read::make_view): Reopen descriptor.
6070         (File_read::do_readv): Likewise.
6071         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6072         Update declarations.
6073         * layout.cc: Include "descriptors.h".
6074         (Layout::create_build_id): Use open_descriptor rather than open.
6075         * output.cc: Include "descriptors.h".
6076         (Output_file::open): Use open_descriptor rather than open.
6077         * archive.cc (Archive::const_iterator): Change Archive to be
6078         non-const.
6079         (Archive::begin, Archive::end): Make non-const.
6080         (Archive::count_members): Likewise.
6081         * archive.h (class Archive): Update declarations.
6082         * object.h (Object::read): Make non-const.
6083         * Makefile.am (CCFILES): Add descriptors.cc.
6084         (HFILES): Add descriptors.h.
6085         * Makefile.in: Rebuild.
6087         PR 6716
6088         * gold.h: Always include <clocale>.  Add Solaris workarounds
6089         following code in binutils/sysdep.h.
6091         PR 6048
6092         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6093         this->eh_frame_hdr_ is NULL before using it.
6095         * dynobj.cc (Versions::Versions): Update comment.
6097         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6098         the base version name.
6100         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6101         array size plus one.
6102         (Stringpool_template::set_string_offsets): Subtract one from key
6103         before using it as an array index.
6104         (Stringpool_template::get_offset_with_length): Likewise.
6105         (Stringpool_template::write_to_buffer): Likewise.
6106         * stringpool.h (Stringpool_template::get_offset_from_key):
6107         Likewise.
6109 2008-07-23  Ian Lance Taylor  <iant@google.com>
6111         PR 6658
6112         * object.h (Merged_symbol_value::value): Do our best to handle a
6113         negative addend.
6115         PR 6647
6116         * script.cc (Version_script_info::get_versions): Don't add empty
6117         version tag to return value.
6118         (Version_script_info::get_symbol_version_helper): Change return
6119         type to bool.  Add pversion parameter.  Change all callers.
6120         (script_register_vers_node): Don't require a non-NULL tag.
6121         * script.h (class Version_script_info): Update declarations.
6122         (Version_script_info::get_symbol_version): Change return type to
6123         bool.  Add version parameter.  Change all callers.
6124         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6125         handling.  Handle an empty version from a version script.
6126         (Symbol_table::define_special_symbol): Likewise.
6127         * testsuite/ver_test_10.script: New file.
6128         * testsuite/ver_test_10.sh: New file.
6129         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6130         (check_DATA): Add ver_test_10.syms.
6131         (ver_test_10.syms, ver_test_10.so): New target.
6132         * testsuite/Makefile.in: Rebuild.
6134 2008-07-23  Simon Baldwin  <simonb@google.com>
6136         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6137         to zero for undefined symbols from dynamic libraries.
6139 2008-07-23  Ian Lance Taylor  <iant@google.com>
6141         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6142         Change all callers.
6143         * symtab.h (class Symbol_table): Update declaration.
6144         * testsuite/ver_test_9.cc: New file.
6145         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6146         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6147         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6148         (ver_test_9.so, ver_test_9.o): New targets.
6149         * testsuite/Makefile.in: Rebuild.
6151 2008-07-22  Ian Lance Taylor  <iant@google.com>
6153         * options.h (class General_options): Define --check-sections.
6154         * layout.cc (Layout::set_segment_offsets): Handle
6155         --check-sections.
6157         * options.h (class General_options): Define -n/--nmagic and
6158         -N/--omagic.
6159         * options.cc (General_options::finalize): For -n/--nmagic or
6160         -N/--omagic, set -static.
6161         * layout.cc (Layout::attach_allocated_section_to_segment): If
6162         -N/--omagic, don't put read-only and read-write sections in
6163         different segments.
6164         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6165         finding a read-only segment.
6166         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6167         don't set the minimum segment alignment to the common page size,
6168         and don't set the file offset to the address modulo the page size.
6169         * script-sections.cc (Script_sections::create_segments): If
6170         -n/--omagic, don't put read-only and read-write sections in
6171         different segments.
6173         * cref.cc: New file.
6174         * cref.h: New file.
6175         * options.h (class General_options): Add --print-symbol-counts.
6176         * main.cc (main): Issue defined symbol report if requested.
6177         * archive.cc (Archive::interpret_header): Make into a const member
6178         function.
6179         (Archive::add_symbols): Call Input_objects::archive_start and
6180         archive_stop.
6181         (Archive::const_iterator): Define new class.
6182         (Archive::begin, Archive::end): New functions.
6183         (Archive::include_all_members): Rewrite to use iterator.
6184         (Archive::count_members): New function.
6185         * archive.h (class Archive): Update declarations.
6186         (Archive::filename): New function.
6187         * object.cc: Include "cref.h".
6188         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6189         (Sized_relobj::do_get_global_symbol_counts): New function.
6190         (Input_objects::add_object): Add object to cross-referencer.
6191         (Input_objects::archive_start): New function.
6192         (Input_objects::archive_stop): New function.
6193         (Input_objects::print_symbol_counts): New function.
6194         * object.h: Declare Cref and Archive.
6195         (Object::get_global_symbol_counts): New function.
6196         (Object::do_get_global_symbol_counts): New pure virtual function.
6197         (class Sized_relobj): Add defined_count_ field.  Update
6198         declarations.
6199         (class Input_objects): Add cref_ field.  Update constructor.
6200         Update declarations.
6201         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6202         defined_count_.
6203         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6204         symbol counts.
6205         (Sized_dynobj::do_get_global_symbol_counts): New function.
6206         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6207         defined_count_.  Update declarations.  Define Symbols typedef.
6208         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6209         parameter.  Change all callers.
6210         (Symbol_table::add_from_dynobj): Add sympointers and defined
6211         parameters.  Change all callers.
6212         * symtab.h (class Symbol_table): Update declarations.
6213         * Makefile.am (CCFILES): Add cref.cc.
6214         (HFILES): Add cref.h.
6215         * Makefile.in: Rebuild.
6217 2008-07-22  Simon Baldwin  <simonb@google.com>
6219         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6220         to zero when writing undefined symbols.
6222 2008-07-22  Ian Lance Taylor  <iant@google.com>
6224         * output.cc (Output_section::add_input_section): Don't try to
6225         merge empty merge sections.
6227 2008-07-21  Craig Silverstein  <csilvers@google.com>
6229         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6230         Include symbol version in error message.
6232 2008-07-20  Chris Demetriou  <cgd@google.com>
6234         * configure.ac (gold_cv_c_random_seed): New configured variable.
6235         (RANDOM_SEED_CFLAGS): New substituted variable.
6236         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6237         * configure: Rebuild.
6238         * Makefile.in: Likewise.
6239         * testsuite/Makefile.in: Likewise.
6241 2008-07-18  Ian Lance Taylor  <iant@google.com>
6243         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6244         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6245         * testsuite/ver_test_main.cc (main): Call t4.
6246         (t4, t4_2a): Define.
6247         * testsuite/ver_test_2.cc (t4_2): Define.
6248         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6249         * testsuite/ver_test_4.cc (t4_2a): Define.
6250         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6251         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6253 2008-07-17  Ian Lance Taylor  <iant@google.com>
6255         * dynobj.cc (Versions::add_def): If we give an error about a
6256         missing version, go ahead and create the version anyhow.
6258 2008-07-10  Ian Lance Taylor  <iant@google.com>
6260         Handle output sections with more than 0x7fffffff bytes.
6261         * object.h (class Relobj): Change map_to_output_ to
6262         output_sections_, and just keep a section pointer.  Change all
6263         uses.  Move comdat group support to Sized_relobj.
6264         (Relobj::is_section_specially_mapped): Remove.
6265         (Relobj::output_section): Remove poff parameter.  Change all
6266         callers.
6267         (Relobj::output_section_offset): New function.
6268         (Relobj::set_section_offset): Rewrite.
6269         (Relobj::map_to_output): Remove.
6270         (Relobj::output_sections): New function.
6271         (Relobj::do_output_section_offset): New pure virtual function.
6272         (Relobj::do_set_section_offset): Likewise.
6273         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6274         group support from Relobj.  Update declarations.
6275         (Sized_relobj::get_output_section_offset): New function.
6276         (Sized_relobj::do_output_section_offset): New function.
6277         (Sized_relobj::do_set_section_offset): New function.
6278         * object.cc (Relobj::output_section_address): Remove.
6279         (Sized_relobj::Sized_relobj): Initialize new fields.
6280         (Sized_relobj::include_section_group): Cast find_kept_object to
6281         Sized_relobj.
6282         (Sized_relobj::include_linkonce_section): Likewise.
6283         (Sized_relobj::do_layout): Use separate arrays for output section
6284         and output offset.
6285         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6286         output_sections.
6287         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6288         output_sections and section_offsets.
6289         (Sized_relobj::write_local_symbols): Likewise.
6290         (map_to_kept_section): Compute output address directly.
6291         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6292         output_sections and section_offsets.
6293         (Sized_relobj::write_sections): Likewise.
6294         (Sized_relobj::relocate_sections): Likewise.
6295         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6296         * output.h (class Output_reloc): Update declarations.  Change
6297         u2_.relobj to Sized_relobj*.
6298         (class Output_data_reloc): Change add functions to use
6299         Sized_relobj*.
6300         * output.cc (Output_reloc::Output_reloc): Change relobj to
6301         Sized_relobj*.
6302         (Output_reloc::local_section_offset): Change return type to
6303         Elf_Addr.  Use get_output_section_offset.
6304         (Output_reloc::get_address): Likewise.
6305         (Output_section::is_input_address_mapped): Don't call
6306         is_section_specially_mapped.
6307         (Output_section::output_offset): Likewise.
6308         (Output_section::output_address): Likewise.
6309         (Output_section::starting_output_address): Likewise.
6310         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6311         parameter to Sized_relobj*.
6312         (Copy_relocs::need_copy_reloc): Likewise.
6313         (Copy_relocs::save): Likewise.
6314         * copy-relocs.h (class Copy_relocs): Update declarations.
6315         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6316         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6317         * target-reloc.h (relocate_for_relocatable): Change
6318         offset_in_output_section type to Elf_Addr.  Change code that uses
6319         it as well.
6320         * layout.cc (Layout::layout): Always set *off.
6321         * mapfile.cc (Mapfile::print_input_section): Use
6322         output_section_offset.
6323         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6324         Sized_relobj*.
6325         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6326         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6327         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6329 2008-07-03  Ian Lance Taylor  <iant@google.com>
6331         * layout.cc (Layout::include_section): Do not discard unrecognized
6332         SHT_STRTAB sections.
6334 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6336         * script.cc (Lex::can_continue_name): Make '?' allowable in
6337         version-script names.
6338         * testsuite/version_script.map: Change glob pattern to use '?'
6340 2008-06-30  Manish Singh  <yosh@gimp.org>
6342         PR 6585
6343         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6344         Correct typo.
6346 2008-06-30  Ian Lance Taylor  <iant@google.com>
6348         PR 6660
6349         PR 6682
6350         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6351         versions]: Don't try to read the value in the contents, since we
6352         don't use it.  Use the template endianness when writing.
6354 2008-06-25  Cary Coutant  <ccoutant@google.com>
6356         * fileread.cc (File_read::make_view): Assert on zero-length view.
6357         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6358         symbol table when there are no symbols to read.
6360 2008-06-23  Craig Silverstein  <csilvers@google.com>
6362         * version.cc (version_string): Bump to 1.7
6364 2008-06-18  Craig Silverstein  <csilvers@google.com>
6366         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6367         constant 0xFFFF to type Valtype.
6368         (Powerpc_relocate_functions::rel16_ha): Likewise.
6370 2008-06-17  Ian Lance Taylor  <iant@google.com>
6372         * output.h (Output_section::Input_section): Initialize p2align_ to
6373         zero for Output_section_data constructors.
6374         (Output_section::Input_section::addralign): If not an input
6375         section, return the alignment of the Output_section_data.
6376         * testsuite/copy_test.cc: New file.
6377         * testsuite/copy_test_1.cc: New file.
6378         * testsuite/copy_test_2.cc: New file.
6379         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6380         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6381         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6382         (copy_test_1_pic.o, copy_test_1.so): New targets.
6383         (copy_test_2_pic.o, copy_test_2.so): New targets.
6384         * testsuite/Makefile.in: Rebuild.
6386         * script-sections.cc (Script_sections::place_orphan): Initialize
6387         local variable exact.
6389 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6391         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6393 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6394             David S. Miller  <davem@davemloft.net>
6396         * powerpc.cc: New file.
6397         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6398         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6399         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6400         * Makefile.in: Rebuild.
6402 2008-06-09  Ian Lance Taylor  <iant@google.com>
6404         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6405         <exception>.
6406         (throwing, orig_terminate): New static variables.
6407         (terminate_handler): New static function.
6408         (t2): Set terminate handler.
6410 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6412         PR 6584
6413         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6414         alignment.
6416 2008-05-30  Cary Coutant  <ccoutant@google.com>
6418         * archive.cc (Archive::include_all_members) Correct to step
6419         over symbol table and extended name table in thin archives.
6421 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6423         PR 6407
6424         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6425         calculation.
6427 2008-05-28  Caleb Howe  <cshowe@google.com>
6429         * reduced_debug_output.cc: New file.
6430         * reduced_debug_output.h: New file.
6431         * options.h (class General_options): Add --strip-debug-non-line.
6432         * options.cc (General_options::finalize): Add strip_debug_non_line
6433         to the strip heirarchy.
6434         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6435         fields.
6436         * layout.cc: Include "reduced_debug_output.h".
6437         (Layout::Layout): Initialize new fields.
6438         (line_only_debug_sections): New static array.
6439         (is_lines_only_debug_sections): New static inline function.
6440         (Layout::include_section): Handle --strip-debug-non-line.
6441         (Layout::make_output_section): If --strip-debug-non-line, build
6442         new output sections for .debug_abbrev and .debug_info.
6443         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6444         gold.  Warn about possible overflow.
6445         (read_signed_LEB_128): Likewise.
6446         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6447         (read_signed_LEB_128): Declare.
6448         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6449         (HFILES): Add reduced_debug_output.h.
6450         * Makefile.in: Rebuild.
6452 2008-05-21  Ian Lance Taylor  <iant@google.com>
6454         * mapfile.cc: New file.
6455         * mapfile.h: New file.
6456         * options.h (class General_options): Add -M/--print-map and -Map.
6457         * options.cc (General_options::finalize): Make -M equivalent to
6458         -Map -.
6459         * main.cc: Include <cstdio> and "mapfile.h".
6460         (main): Open mapfile if requested.
6461         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6462         constructor.  Change caller.
6463         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6464         (queue_middle_tasks): Likewise.
6465         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6466         declarations.
6467         * archive.cc: Include "mapfile.h".
6468         (Archive::add_symbols): Add mapfile parameter.  Change all
6469         callers.  Pass mapfile, symbol, and reason to include_member.
6470         (Archive::include_all_members): Add mapfile parameter.  Change all
6471         callers.
6472         (Archive::include_member): Add mapfile, sym, and why parameters.
6473         Change all callers.  Report inclusion to map file.
6474         * archive.h: Include "fileread.h".
6475         (class Archive): Update declarations.
6476         (Archive::file): New const method.
6477         (class Add_archive_symbols): Add mapfile_ field.  Update
6478         constructor.  Change all callers.
6479         * readsyms.h (class Read_symbols): Likewise.
6480         (class Finish_group): Likewise.
6481         (class Read_script): Likewise.
6482         * common.cc: Include "mapfile.h".
6483         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6484         all callers.
6485         (Symbol_table::do_allocate_commons): Likewise.
6486         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6487         symbol allocation to mapfile.
6488         * common.h (class Allocate_commons_task): Add mapfile_ field.
6489         Update constructor.  Change all callers.
6490         * symtab.h (class Symbol_table): Update declarations.
6491         * layout.cc: Include "mapfile.h".
6492         (Layout_task_runner::run): Print information to mapfile.
6493         (Layout::create_gold_note): Change Output_data_fixed_space to
6494         Output_data_zero_fill.
6495         (Layout::create_build_id): Likewise.
6496         (Layout::print_to_mapfile): New function.
6497         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6498         constructor.  Change caller.
6499         (class Layout): Declare print_to_mapfile.
6500         * output.cc (Output_section::Input_section::print_to_mapfile): New
6501         function.
6502         (Output_section::add_input_section): If producing a map, always
6503         add to input_sections_ list.
6504         (Output_section::do_print_to_mapfile): New function.
6505         (Output_segment::print_sections_to_mapfile): New function.
6506         (Output_segment::print_section_list_to_mapfile): New function.
6507         * output.h: Include "mapfile.h".
6508         (Output_data::print_to_mapfile): New function.
6509         (Output_data::do_print_to_mapfile): New virtual function.
6510         (Output_segment_headers::do_print_to_mapfile): New function.
6511         (Output_file_header::do_print_to_mapfile): New function.
6512         (Output_data_const::do_print_to_mapfile): New function.
6513         (class Output_data_const_buffer): Add map_name_ field.  Update
6514         constructor.  Change all callers.  Add do_print_to_mapfile
6515         function.
6516         (class Output_data_fixed_space): Likewise.
6517         (class Output_data_space): Likewise.
6518         (class Output_data_zero_fill): New class.
6519         (Output_data_strtab::do_print_to_mapfile): New function.
6520         (Output_data_reloc_base::do_print_to_mapfile): New function.
6521         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6522         (Output_data_group::do_print_to_mapfile): New function.
6523         (Output_data_got::do_print_to_mapfile): New function.
6524         (Output_data_dynamic::do_print_to_mapfile): New function.
6525         (Output_symtab_xindex::do_print_to_mapfile): New function.
6526         (class Output_section): Declare do_print_to_mapflie.  Declare
6527         print_to_mapfile in Input_section.
6528         (class Output_segment): Declare new functions.
6529         * object.h (Sized_relobj::symbol_count): New function.
6530         * script-sections.cc
6531         (Output_section_element_dot_assignment::set_section_addresses):
6532         Change Output_data_fixed_space to Output_data_zero_fill.
6533         (Output_data_expression::do_print_to_mapfile): New function.
6534         * script.cc (read_input_script): Add mapfile parameter.  Change
6535         all callers.
6536         * script.h (read_input_script): Update declaration.
6537         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6538         (Eh_frame::do_print_to_mapfile): New function.
6539         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6540         (Output_merge_string::do_print_to_mapfile): New function.
6541         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6542         function.
6543         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6544         function.
6545         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6546         function.
6547         * Makefile.am (CCFILES): Add mapfile.cc.
6548         (HFILES): Add mapfile.h.
6549         * Makefile.in: Rebuild.
6551 2008-05-19  Ian Lance Taylor  <iant@google.com>
6553         * options.h (class General_options): Add -z relro.
6554         * layout.cc (Layout::Layout): Initialize relro_segment_.
6555         (Layout::add_output_section_data): Return the output section.
6556         (Layout::make_output_section): Rcognize relro sections and mark
6557         them appropriately.
6558         (Layout::attach_allocated_section_to_segment): Put relro sections
6559         in a PT_GNU_RELRO segment.
6560         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6561         section as relro.
6562         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6563         PT_TLS segments.
6564         (Layout::linkonce_mapping): Map d.rel.ro.local to
6565         .data.rel.ro.local.
6566         (Layout::output_section_name): Us .data.rel.ro.local for any
6567         section which begins with that.
6568         * layout.h (class Layout): Update add_output_section_data
6569         declaration.  Add relro_segment_ field.
6570         * output.cc (Output_section::Output_section): Initialize is_relro_
6571         and is_relro_local_ fields.
6572         (Output_segment::add_output_section): Group relro sections.
6573         (Output_segment::is_first_section_relro): New function.
6574         (Output_segment::maximum_alignment): If there is a relro section,
6575         align the segment to the common page size.
6576         (Output_segment::set_section_addresses): Track whether we are
6577         looking at relro sections.  If the last section is a relro
6578         section, align to the common page size.
6579         (Output_segment::set_section_list_addresses): Add in_relro
6580         parameter.  Change all callers.  Align to the page size when
6581         moving from relro to non-relro section.
6582         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6583         segment.
6584         * output.h (class Output_section): Add is_relro_ and
6585         is_relro_local_ fields.
6586         (Output_section::is_relro): New function.
6587         (Output_section::set_is_relro): New function.
6588         (Output_section::is_relro_local): New function.
6589         (Output_section::set_is_relro_local): New function.
6590         (class Output_segment): Update declarations.
6591         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6592         * sparc.cc (Target_sparc::got_section): Likewise.
6593         * x86_64.cc (Target_x86_64::got_section): Likewise.
6594         * testsuite/relro_test_main.cc: New file.
6595         * testsuite/relro_test.cc: New file.
6596         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6597         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6598         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6599         (relro_test.so, relro_test_pic.o): New targets.
6600         * testsuite/Makefile.in: Rebuild.
6602 2008-05-16  Ian Lance Taylor  <iant@google.com>
6604         * output.cc (Output_segment::add_output_section): Remove front
6605         parameter.
6606         * output.h (class Output_segment): Remove
6607         add_initial_output_section and overloaded add_output_section.
6608         Update declaration of remaining add_output_section.
6609         * layout.cc (Layout::create_interp): Call add_output_section
6610         rather than add_initial_output_section.
6611         (Layout::finish_dynamic_section): Likewise.
6613         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6614         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6615         know the dynamic type.
6616         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6617         field.  Initialize it in constructor.
6618         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6619         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6620         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6621         reloc.
6623         * output.cc (Output_reloc::get_address): Change return type to
6624         Elf_Addr.
6625         * output.h (class Output_reloc): Update get_address declaration.
6626         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6627         for section addresses.
6629 2008-05-09  Ian Lance Taylor  <iant@google.com>
6631         PR 6493
6632         * gold.cc (gold_nomem): Use return value of write.
6634 2008-05-08  Ian Lance Taylor  <iant@google.com>
6636         * symtab.c (Symbol::init_base_output_data): Add version
6637         parameter.  Change all callers.
6638         (Symbol::init_base_output_segment): Likewise.
6639         (Symbol::init_base_constant): Likewise.
6640         (Symbol::init_base_undefined): Likewise.
6641         (Sized_symbol::init_output_data): Likewise.
6642         (Sized_symbol::init_output_segment): Likewise.
6643         (Sized_symbol::init_constant): Likewise.
6644         (Sized_symbol::init_undefined): Likewise.
6645         (Symbol_table::do_define_in_output_data): If the new symbol has a
6646         version, mark it as the default.
6647         (Symbol_table::do_define_in_output_segment): Likewise.
6648         (Symbol_table::do_define_as_constant): Likewise.
6649         * symtab.h (class Symbol): Update declarations.
6650         (class Sized_symbol): Likewise.
6651         * resolve.cc (Symbol::override_version): New function.
6652         (Symbol::override_base): Call override_version.
6653         (Symbol::override_base_with_special): Likewise.
6654         * testsuite/ver_script_8.script: New file.
6655         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6656         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6657         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6658         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6660 2008-05-06  Ian Lance Taylor  <iant@google.com>
6662         PR 6049
6663         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6664         functions.
6665         (class General_options): Remove existing --undefined, and add
6666         --no-undefined instead.  Add new --undefined as synonym for -u.
6667         * archive.cc (Archive::add_symbols): Check whether symbol was
6668         named with -u.
6669         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6670         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6671         all uses.  Add IS_UNDEFINED.  Update declarations to split
6672         different versions of init_base.  Declare init_base_undefined.
6673         (Symbol::is_defined): Handle IS_UNDEFINED.
6674         (Symbol::is_undefined): Likewise.
6675         (Symbol::is_weak_undefined): Call is_undefined.
6676         (Symbol::is_absolute): Handle IS_CONSTANT.
6677         (class Sized_symbol): Update declarations to split different
6678         versions of init.  Declare init_undefined.
6679         (class Symbol_table): Declare new functions.
6680         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6681         Change all callers.
6682         (Symbol::init_base_output_data): Likewise.
6683         (Symbol::init_base_output_segment): Likewise.
6684         (Symbol::init_base_constant): Likewise.
6685         (Symbol::init_base_undefined): New function.
6686         (Sized_symbol::init_object): Rename from init.  Change all
6687         callers.
6688         (Sized_symbol::init_output_data): Likewise.
6689         (Sized_symbol::init_output_segment): Likewise.
6690         (Sized_symbol::init_constant): Likewise.
6691         (Sized_symbol::init_undefined): New function.
6692         (Symbol_table::add_undefined_symbols_from_command_line): New
6693         function.
6694         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6695         function.
6696         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6697         (Symbol::output_section): Likewise.
6698         (Symbol::set_output_section): Likewise.
6699         (Symbol_table::sized_finalize_symbol): Likewise.
6700         (Symbol_table::sized_write_globals): Likewise.
6701         * resolve.cc (Symbol_table::should_override): Likewise.
6702         (Symbol::override_base_with_special): Likewise.
6704         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6705         symbol, change it to have default visibility.
6706         * testsuite/protected_1.cc: New file.
6707         * testsuite/protected_2.cc: New file.
6708         * testsuite/protected_3.cc: New file.
6709         * testsuite/protected_main_1.cc: New file.
6710         * testsuite/protected_main_2.cc: New file.
6711         * testsuite/protected_main_3.cc: New file.
6712         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6713         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6714         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6715         (protected_1.so): New target.
6716         (protected_1_pic.o, protected_2_pic.o): New targets.
6717         (protected_3_pic.o): New target.
6718         (check_PROGRAMS): Add protected_2.
6719         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6720         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6721         * testsuite/Makefile.in: Rebuild.
6723         * options.h (DEFINE_var): Add set_user_set_##varname__.
6724         (DEFINE_bool_alias): New macro.
6725         (class General_options): Define -Bstatic using DEFINE_bool_alias
6726         rather than DEFINE_special.  Add --undefined as an alias for -z
6727         defs.
6728         * options.cc (General_options::parse_Bstatic): Remove.
6730         * options.h (class General_options): Add --fatal-warnings.
6731         * main.cc (main): Implement --fatal-warnings.
6732         * errors.h (Errors::warning_count): New function.
6734         * options.h (class General_options): Add -Bsymbolic-functions.
6735         * symtab.h (Symbol::is_preemptible): Check for
6736         -Bsymbolic-functions.
6738 2008-05-05  Ian Lance Taylor  <iant@google.com>
6740         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6741         as noVARNAME rather than no-VARNAME.
6742         (class General_options): Add option -z combreloc.
6743         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6744         get_address.
6745         (Output_reloc::sort_before) [SHT_REL]: New function.
6746         (Output_reloc::sort_before) [SHT_RELA]: New function.
6747         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6748         Sort_relocs_comparison.
6749         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6750         parameter.  Change all callers.
6751         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6752         sort_relocs parameter.  Change all callers.
6753         * output.cc (Output_reloc::get_address): New function, broken out
6754         of write_rel.
6755         (Output_reloc::write_rel): Call it.
6756         (Output_reloc::compare): New function.
6757         (Output_data_reloc_base::do_write): Optionally sort relocs.
6759         * configure.ac: If targ_extra_obj is set, link it in.
6760         * configure.tgt: Initialize all variables.
6761         (x86_64*): Set targ_extra_obj and targ_extra_size.
6762         * configure: Rebuild.
6764         * object.cc (Sized_relobj::include_section_group): Adjust section
6765         indexes read from group data.  Build vector to pass to
6766         layout_group.
6767         * layout.cc (Layout::layout_group): Add flags and shndxes
6768         parameters.  Remove contents parameter.  Change caller.  Update
6769         explicit instantiations.
6770         * layout.h (class Layout): Update layout_group declaration.
6771         * output.cc (Output_data_group::Output_data_group): Add flags and
6772         input_shndxes parameters.  Remove contents parameter.  Change
6773         caller.
6774         (Output_data_group::do_write): Change input_sections_ to
6775         input_shndxes_.
6776         * output.h (class Output_data_group): Update constructor
6777         declaration.  Rename input_sections_ to input_shndxes_.
6778         * testsuite/many_sections_test.cc: Add template.
6780 2008-04-30  Cary Coutant  <ccoutant@google.com>
6782         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6784         * layout.cc (Layout::include_section): Refactored check for debug
6785         info section.
6786         (Layout::add_comdat): Add new parameters.  Change type
6787         of signature parameter.  Add object and shndx to signatures table.
6788         (Layout::find_kept_object): New function.
6789         * layout.h: Include <cstring>.
6790         (Layout::is_debug_info_section): New function.
6791         (Layout::add_comdat): Add new parameters.
6792         (Layout::find_kept_object): New function.
6793         (Layout::Kept_section): New struct.
6794         (Layout::Signatures): Change type of map range.
6795         * object.cc (Relobj::output_section_address): New function.
6796         (Sized_relobj::include_section_group): Add new parameters.  Change
6797         calls to Layout::add_comdat.  Change to build table of kept comdat
6798         groups and table mapping discarded sections to kept sections.
6799         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6800         (Sized_relobj::do_layout): Change calls to include_section_group and
6801         include_linkonce_section.
6802         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6803         value to zero when section is discarded.
6804         (Sized_relobj::map_to_kept_section): New function.
6805         * object.h (Relobj::output_section_address): New function.
6806         (Relobj::Comdat_group): New type.
6807         (Relobj::find_comdat_group): New function.
6808         (Relobj::Comdat_group_table): New type.
6809         (Relobj::Kept_comdat_section): New type.
6810         (Relobj::Kept_comdat_section_table): New type.
6811         (Relobj::add_comdat_group): New function.
6812         (Relobj::set_kept_comdat_section): New function.
6813         (Relobj::get_kept_comdat_section): New function.
6814         (Relobj::comdat_groups_): New field.
6815         (Relobj::kept_comdat_sections_): New field.
6816         (Symbol_value::input_value): Update comment.
6817         (Sized_relobj::map_to_kept_section) New function.
6818         (Sized_relobj::include_linkonce_section): Add new parameter.
6819         * target-reloc.h (Comdat_behavior): New type.
6820         (get_comdat_behavior): New function.
6821         (relocate_section): Add code to map a discarded section to the
6822         corresponding kept section when applying a relocation.
6824 2008-04-30  Craig Silverstein  <csilvers@google.com>
6826         * dwarf_reader.cc (next_generation_count): New static var.
6827         (Addr2line_cache_entry): New struct.
6828         (addr2line_cache): New static var.
6829         (Dwarf_line_info::one_addr2line): Added caching.
6830         (Dwarf_line_info::clear_addr2line_cache): New function.
6831         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6832         cache-size parameter.
6833         (Dwarf_line_info::one_addr2line_cache): New function.
6834         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6835         new cache-size argument to one_addr2line(), and clear cache.
6837 2008-04-28  Cary Coutant  <ccoutant@google.com>
6839         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6840         R_386_PC8 relocations.
6842 2008-04-23  Ian Lance Taylor  <iant@google.com>
6844         * object.cc (Sized_relobj::include_section_group): Check for
6845         invalid section group.
6847         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6848         header size.
6850         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6851         than read for file header.
6852         * archive.cc (Archive::include_member): Likewise.
6854 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6856         * aclocal.m4: Regenerate.
6857         * configure: Regenerate.
6859 2008-04-19  Ian Lance Taylor  <iant@google.com>
6861         * version.cc (version_string): Bump to 1.6.
6863         * testsuite/Makefile.am (many_sections_r_test): New target.
6864         (many_sections_r_test_SOURCES): Remove.
6865         (many_sections_r_test_DEPENDENCIES): Remove.
6866         (many_sections_r_test_LDFLAGS): Remove.
6867         (many_sections_r_test_LDADD): Remove.
6869         * object.cc (Sized_relobj::do_add_symbols): Always pass
6870         local_symbol_count_ to add_from_relobj.
6872         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6873         every thousand variables.
6874         * testsuite/Makefile.in: Rebuild.
6876         * object.cc (Xindex::initialize_symtab_xindex): New function.
6877         (Xindex::read_symtab_xindex): New function.
6878         (Xindex::sym_xindex_to_shndx): New function.
6879         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6880         available.
6881         (Sized_relobj::do_initialize_xindex): New function.
6882         (Sized_relobj::do_read_symbols): Adjust section links.
6883         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6884         parameter.  Change all callers.
6885         (Sized_relobj::include_section_group): Adjust section links and
6886         symbol section indexes.
6887         (Sized_relobj::do_layout): Adjust section links.
6888         (Sized_relobj::do_count_local_symbols): Adjust section links and
6889         symbol section indexes.
6890         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6891         ordinary and special symbols.
6892         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6893         dynsym_xindex parameters.  Change all callers.  Adjust section
6894         links.  Use SHN_XINDEX when needed.
6895         (Sized_relobj::get_symbol_location_info): Adjust section links.
6896         Don't get fooled by special symbols.
6897         * object.h (class Xindex): Define.
6898         (class Object): Add xindex_ parameter.  Declare virtual functoin
6899         do_initialize_xindex.
6900         (Object::adjust_sym_shndx): New function.
6901         (Object::set_xindex): New protected function.
6902         (class Symbol_value): Add is_ordinary_shndx_ field.
6903         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6904         (Symbol_value::value): Assert ordinary section.
6905         (Symbol_value::initialize_input_to_output_map): Likewise.
6906         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6907         Change all callers.
6908         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
6909         all callers.
6910         (class Sized_relobj): Update declarations.
6911         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6912         parameter.  Change all callers.
6913         (Sized_relobj::adjust_shndx): New function.
6914         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6915         field.
6916         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6917         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
6918         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
6919         (Sized_dynobj::read_dynsym_section): Adjust section links.
6920         (Sized_dynobj::read_dynamic): Likewise.
6921         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
6922         section links.
6923         (Sized_dynobj::do_initialize_xindex): New function.
6924         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
6925         do_initialize_xindex.
6926         (Sized_dynobj::adjust_shndx): New function.
6927         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6928         dynsym_xindex_ fields.
6929         (Layout::finalize): Add a call to set_section_indexes before
6930         creating the symtab sections.
6931         (Layout::set_section_indexes): Don't do anything if the section
6932         already has a section index.
6933         (Layout::create_symtab_sections): Add shnum parameter.  Change
6934         caller.  Create .symtab_shndx section if needed.
6935         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
6936         caller.
6937         (Layout::allocated_output_section_count): New function.
6938         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6939         needed.
6940         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6941         fields.  Update declarations.
6942         (Layout::symtab_xindex): New function.
6943         (Layout::dynsym_xindex): New function.
6944         (class Write_symbols_task): Add layout_ field.
6945         (Write_symbols_task::Write_symbols_task): Add layout parameter.
6946         Change caller.
6947         * output.cc (Output_section_headers::Output_section_headers): Add
6948         shstrtab_section parameter.  Change all callers.
6949         (Output_section_headers::do_sized_write): Store overflow values
6950         for section count and section string table section index in
6951         section header zero.
6952         (Output_file_header::do_sized_write): Check for overflow of
6953         section count and section string table section index.
6954         (Output_symtab_xindex::do_write): New function.
6955         (Output_symtab_xindex::endian_do_write): New function.
6956         * output.h (class Output_section_headers): Add shstrtab_section_.
6957         Update declarations.
6958         (class Output_symtab_xindex): Define.
6959         (Output_section::has_out_shndx): New function.
6960         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6961         field.
6962         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6963         Change all callers.
6964         (Sized_symbol::init): Likewise.
6965         (Symbol::output_section): Check for ordinary symbol.
6966         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
6967         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
6968         callers.
6969         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6970         Change all callers.  Simplify handling of symbols from sections
6971         not included in the link.
6972         (Symbol_table::add_from_dynobj): Handle ordinary symbol
6973         distinction.
6974         (Weak_alias_sorter::operator()): Assert that symbols are
6975         ordinary.
6976         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6977         distinction.
6978         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6979         parameters.  Change all callers.
6980         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
6981         symbol distinction.  Use SHN_XINDEX when needed.
6982         (Symbol_table::write_section_symbol): Add symtab_xindex
6983         parameter.  Change all callers.
6984         (Symbol_table::sized_write_section_symbol): Likewise.  Use
6985         SHN_XINDEX when needed.
6986         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
6987         declarations.
6988         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
6989         (Symbol::is_defined): Check is_ordinary.
6990         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6991         (Symbol::is_absolute, Symbol::is_common): Likewise.
6992         (class Sized_symbol): Update declarations.
6993         (class Symbol_table): Update declarations.
6994         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6995         parameters.  Change all callers.
6996         (Sized_symbol::override): Likewise.
6997         (Symbol_table::override): Likewise.
6998         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
6999         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7000         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7001         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7002         to be in an ordinary section.
7003         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7004         object and is_ordinary parameters.  Change all callers.
7005         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7006         Change all callers.  Don't add undefined or non-ordinary symbols
7007         to reloc_map_.
7008         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7009         Change all callers.
7010         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7011         declarations.
7012         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7013         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7014         (Sized_relobj::relocate_sections): Likewise.
7015         * target-reloc.h (scan_relocs): Adjust section symbol index.
7016         (scan_relocatable_relocs): Likewise.
7017         * i386.cc (Scan::local): Check for ordinary symbols.
7018         * sparc.cc (Scan::local): Likewise.
7019         * x86_64.cc (Scan::local): Likewise.
7020         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7021         to symbol_section_and_value.
7022         * testsuite/many_sections_test.cc: New file.
7023         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7024         (check_PROGRAMS): Add many_sections_test.
7025         (many_sections_test_SOURCES): Define.
7026         (many_sections_test_DEPENDENCIES): Define.
7027         (many_sections_test_LDFLAGS): Define.
7028         (BUILT_SOURCES): Add many_sections_define.h.
7029         (many_sections_define.h): New target.
7030         (BUILT_SOURCES): Add many_sections_check.h.
7031         (many_sections_check.h): New target.
7032         (check_PROGRAMS): Add many_sections_r_test.
7033         (many_sections_r_test_SOURCES): Define.
7034         (many_sections_r_test_DEPENDENCIES): Define.
7035         (many_sections_r_test_LDFLAGS): Define.
7036         (many_sections_r_test_LDADD): Define.
7037         (many_sections_r_test.o): New target.
7038         * testsuite/Makefile.in: Rebuild.
7040 2008-04-17  Cary Coutant  <ccoutant@google.com>
7042         * errors.cc (Errors::info): New function.
7043         (gold_info): New function.
7044         * errors.h (Errors::info): New function.
7045         * gold.h (gold_info): New function.
7046         * object.cc (Input_objects::add_object): Print trace output.
7047         * options.cc (options::parse_set): New function.
7048         (General_options::parse_wrap): Deleted.
7049         (General_options::General_options): Deleted initializer.
7050         * options.h (options::String_set): New typedef.
7051         (options::parse_set): New function.
7052         (DEFINE_set): New macro.
7053         (General_options::wrap): Changed to use DEFINE_set. Changed
7054         callers of any_wrap_symbols and is_wrap_symbol.
7055         (General_options::trace, General_options::trace_symbol):
7056         New options.
7057         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7058         (General_options::wrap_symbols_): Deleted.
7059         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7061 2008-04-17  David S. Miller  <davem@davemloft.net>
7063         * options.cc (General_options::parse_V): New function.
7064         * options.h: Add entries for -V and -Qy.
7066 2008-04-17  Ian Lance Taylor  <iant@google.com>
7068         * common.cc (Symbol_table::allocate_commons): Remove options
7069         parameter.  Change caller.
7070         (Symbol_table::do_allocate_commons): Remove options parameter.
7071         Change caller.  Just call do_allocate_commons_list twice.
7072         (Symbol_table::do_allocate_commons_list): New function, broken out
7073         of do_allocate_commons.
7074         * common.h (class Allocate_commons_task): Remove options_ field.
7075         Update constructor.
7076         * symtab.cc (Symbol_table::Symbol_table): Initialize
7077         tls_commons_.
7078         (Symbol_table::add_from_object): Put TLS common symbols on
7079         tls_commons_ list.
7080         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7081         which are IN_OUTPUT_DATA.
7082         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7083         allocate_commons and do_allocate_commons declarations.  Declare
7084         do_allocate_commons_list.
7085         * gold.cc (queue_middle_tasks): Update creation of
7086         Allocate_commons_task to not pass options.
7087         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7088         (TLS_TEST_C_FLAGS): New variable.
7089         (tls_test_c_pic.o): New target.
7090         (tls_test_shared.so): Link in tls_test_c_pic.o.
7091         (tls_test_c_pic_ie.o): New target.
7092         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7093         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7094         (tls_test_c.o): New target.
7095         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7096         (tls_pic_test_LDADD): Likewise.
7097         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7098         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7099         (tls_test_c_gnu2.o): New target.
7100         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7101         tls_test_c_gnu2.o.
7102         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7103         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7104         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7105         * testsuite/tls_test.cc: Include "config.h".
7106         (t_last): Call t11_last.
7107         * testsuite/tls_test.h (t11, t11_last): Declare.
7108         * testsuite/tls_test_c.c: New file.
7109         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7110         * configure.ac: Check for OpenMP support.
7111         * configure, config.in, Makefile.in: Rebuild.
7112         * testsuite/Makefile.in: Rebuild.
7114 2008-04-16  Cary Coutant  <ccoutant@google.com>
7116         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7117         (Target_i386::tls_base_symbol_defined_): New field.
7118         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7119         (Target_i386::Scan::global): Likewise.
7120         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7121         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7122         (Target_x86_64::tls_base_symbol_defined_): New field.
7123         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7124         (Target_x86_64::Scan::global): Likewise.
7126 2008-04-16  Cary Coutant  <ccoutant@google.com>
7128         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7129         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7130         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7131         building shared libraries.
7132         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7133         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7134         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7135         * testsuite/Makefile.in: Rebuild.
7136         * testsuite/weak_undef.h: New file.
7137         * testsuite/weak_undef_file1.cc: Add extra test cases.
7138         * testsuite/weak_undef_file2.cc: Likewise.
7139         * testsuite/weak_undef_test.cc: Likewise.
7141 2008-04-16  David S. Miller  <davem@davemloft.net>
7143         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7144         Add issued_non_pic_error_ field.  Declare check_non_pic.
7145         (Target_sparc::Scan::check_non_pic): New function.
7146         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7147         (Target_sparc::Scan::global): Likewise.
7149         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7150         * configure: Rebuild.
7152         * options.h (DEFINE_enable): New macro.
7153         (new_dtags): New enable option.
7154         (initfirst, interpose, loadfltr, nodefaultlib,
7155         nodelete, nodlopen, nodump): New -z options.
7156         * layout.cc (Layout:finish_dynamic_section): If new
7157         dtags enabled, emit DT_RUNPATH.  Also, emit a
7158         DT_FLAGS_1 containing any specified -z flags.
7160 2008-04-16  Ian Lance Taylor  <iant@google.com>
7162         * copy-relocs.cc: New file.
7163         * copy-relocs.h: New file.
7164         * reloc.cc: Remove Copy_relocs code.
7165         * reloc.h: Likewise.
7166         * reloc-types.h (struct Reloc_types) [both versions]: Add
7167         get_reloc_addend_noerror.
7168         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7169         variants of add_global which take an addend which must be zero.
7170         * i386.cc: Include "copy-relocs.h".
7171         (class Target_i386): Change type of copy_relocs_ to variable,
7172         update initializer.
7173         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7174         Change all callers.
7175         (Target_i386::do_finalize_sections): Change handling of
7176         copy_relocs_.
7177         * sparc.cc: Include "copy-relocs.h".
7178         (class Target_sparc): Change type of copy_relocs_ to variable,
7179         update initializer.
7180         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7181         Change all callers.
7182         (Target_sparc::do_finalize_sections): Change handling of
7183         copy_relocs_.
7184         * x86_64.cc: Include "copy-relocs.h".
7185         (class Target_x86_64): Change type of copy_relocs_ to variable,
7186         update initializer.
7187         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7188         class.  Change all callers.
7189         (Target_x86_64::do_finalize_sections): Change handling of
7190         copy_relocs_.
7191         * Makefile.am (CCFILES): Add copy-relocs.cc.
7192         (HFILES): Add copy-relocs.h.
7194         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7196         * testsuite/script_test_4.sh: Permit leading zeroes.
7198 2008-04-15  Ian Lance Taylor  <iant@google.com>
7200         * script-sections.cc (Script_sections::create_segments): Use
7201         header_size_adjustment even when there is enough room for the
7202         headers.
7203         * testsuite/script_test_4.sh: New file.
7204         * testsuite/script_test_4.t: New file.
7205         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7206         (check_DATA): Add script_test_4.stdout.
7207         (MOSTLYCLEANFILES): Likewise.
7208         (script_test_4): New target.
7209         (script_test_4.stdout): New target.
7210         * testsuite/Makefile.in: Rebuild.
7212         * sparc.cc: Add definitions for Output_data_plt_sparc class
7213         constants.
7215 2008-04-14  David S. Miller  <davem@davemloft.net>
7217         * sparc.cc: New file.
7218         * Makefile.am (TARGETSOURCES): Add sparc.cc
7219         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7220         * configure.tgt: Document targ_extra_size and
7221         targ_extra_big_endian.  Add entries for sparc-* and
7222         sparc64-*.
7223         * configure.ac: Handle targ_extra_size and
7224         targ_extra_big_endian.
7225         * Makefile.in: Rebuild.
7226         * configure: Likewise.
7227         * po/POTFILES.in: Likewise.
7228         * po/gold.pot: Likewise.
7230 2008-04-14  Ian Lance Taylor  <iant@google.com>
7232         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7233         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7234         in the name/type/flags to section mapping.  Don't call
7235         allocate_output_section.
7236         (Layout::choose_output_section): Change parameter from adjust_name
7237         to is_input_section.  Don't permit input sections after sections
7238         are attached to segments.  Don't call allocate_output_section.
7239         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7240         not write_enable_output_section.
7241         (Layout::make_output_section): Don't push to
7242         unattached_section_list_ nor call attach_to_segment.  Call
7243         attach_section_to_segment if sections are attached.
7244         (Layout::attach_sections_to_segments): New function.
7245         (Layout::attach_section_to_segment): New function.
7246         (Layout::attach_allocated_section_to_segment): Rename from
7247         attach_to_segment.  Remove flags parameter.
7248         (Layout::allocate_output_section): Remove function.
7249         (Layout::write_enable_output_section): Remove function.
7250         * layout.h (class Layout): Update for above changes.  Add new
7251         field sections_are_attached_.
7252         * output.h (Output_section::update_flags_for_input_section): New
7253         function.
7254         * output.cc (Output_section::add_input_section): Call
7255         update_flags_for_input_section.
7256         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7258 2008-04-11  Cary Coutant  <ccoutant@google.com>
7260         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7261         thought unnecessary.
7262         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7264 2008-04-11  Ian Lance Taylor  <iant@google.com>
7266         * output.h (class Output_section_data): Remove inline definition
7267         of set_addralign.
7268         * output.cc (Output_section_data::set_addralign): New function.
7270 2008-04-11  Cary Coutant  <ccoutant@google.com>
7272         Add support for TLS descriptors for i386 and x86_64.
7273         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7274         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7275         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7276         GOT_TYPE_TLS_DESC.
7277         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7278         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7279         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7280         relocations.
7281         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7282         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7283         Fix problem with initial-exec relocations.
7284         (Target_i386::Relocate::relocate_tls): Likewise.
7285         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7286         relaxation.
7287         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7288         support for section-plus-offset dynamic table entries.
7289         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7290         (Output_data_dynamic::Dynamic_entry): Add support for
7291         section-plus-offset dynamic table entries.
7292         (Output_data_dynamic::Classification): Likewise.
7293         (Output_data_dynamic::classification_): Renamed offset_.
7294         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7295         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7296         (Target_x86_64::make_plt_section): New function.
7297         (Target_x86_64::reserve_tlsdesc_entries): New function.
7298         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7299         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7300         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7301         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7302         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7303         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7304         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7305         add extra PLT entry for TLS descriptors.
7306         (Output_data_plt_x86_64::got_): New field.
7307         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7308         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7309         fields.
7310         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7311         descriptors.
7312         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7313         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7314         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7315         R_386_TLS_DESC_CALL relocations.
7316         (Target_x86_64::Scan::global): Likewise.
7317         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7318         for TLS descriptors.
7319         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7320         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7321         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7322         GD-to-IE relaxation.
7323         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7324         and TLS_DESCRIPTORS.
7325         * Makefile.in: Rebuild.
7326         * configure: Rebuild.
7327         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7328         (tls_test_shared2.so): New target.
7329         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7330         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7331         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7332         (tls_shared_gd_to_ie_test_LDADD): New variable.
7333         (tls_shared_gnu2_gd_to_ie_test): New target.
7334         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7335         New targets.
7336         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7337         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7338         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7339         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7340         (tls_shared_gnu2_test): New target.
7341         (tls_test_gnu2_shared.so): New target.
7342         (tls_shared_gnu2_test_SOURCES): New variable.
7343         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7344         (tls_shared_gnu2_test_LDFLAGS): New variable.
7345         (tls_shared_gnu2_test_LDADD): New variable.
7346         * testsuite/Makefile.in: Rebuild.
7347         * testsuite/Makefile.
7349 2008-04-11  Ian Lance Taylor  <iant@google.com>
7351         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7352         justsyms.t.
7353         * testsuite/Makefile.in: Rebuild.
7355         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7356         long.
7357         * testsuite/script_test_2.cc (main): Adjust test.
7359 2008-04-11  David S. Miller  <davem@davemloft.net>
7360             Ian Lance Taylor  <iant@google.com>
7362         * options.h (General_options): Add entries for '-Y' and
7363         '-relax'.
7364         * options.cc (General_options:finalize): If -Y was used, add those
7365         entries to the library path instead of the default "/lib" and
7366         "/usr/lib".
7368 2008-04-11  David S. Miller  <davem@davemloft.net>
7370         * testsuite/justsyms.t: Start at 0x100.
7371         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7372         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7373         long.
7374         * testsuite/script_test_2.cc: Adjust string and section length
7375         checks.
7377 2008-04-09  Ian Lance Taylor  <iant@google.com>
7379         PR gold/5996
7380         * script-sections.cc (Sections_element::allocate_to_segment): Add
7381         orphan parameter.
7382         (Output_section_definition::allocate_to_segment): Likewise.
7383         (Orphan_output_section::allocate_to_segment): Likewise.
7384         (Script_sections::attach_sections_using_phdrs_clause): Don't
7385         propagate non-PT_LOAD segments to orphan sections.
7386         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7387         readelf rather than objdump.
7388         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7389         .interp section and PT_INTERP segment are the same size.
7390         * testsuite/Makefile.in: Rebuild.
7392         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7393         aliases for symbols defined in the same object.
7394         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7395         (weak_alias_test_SOURCES): New variable.
7396         (weak_alias_test_DEPENDENCIES): New variable.
7397         (weak_alias_test_LDFLAGS): New variable.
7398         (weak_alias_test_LDADD): New variable.
7399         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7400         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7401         (weak_alias_test_3.o): New target.
7402         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7403         * testsuite/weak_alias_test_main.cc: New file.
7404         * testsuite/weak_alias_test_1.cc: New file.
7405         * testsuite/weak_alias_test_2.cc: New file.
7406         * testsuite/weak_alias_test_3.cc: New file.
7408 2008-04-08  Ian Lance Taylor  <iant@google.com>
7410         * options.h (class General_options): Add --noinhibit-exec option.
7411         * main.cc (main): Check --noinhibit-exec.
7413         * options.h (class General_options): Define --wrap as a special
7414         option.  Add wrap_symbols_ field.
7415         (General_options::any_wrap_symbols): New function.
7416         (General_options::is_wrap_symbol): New function.
7417         * options.cc (General_options::parse_wrap): New function.
7418         (General_options::General_options): Initialize wrap_symbols_.
7419         * symtab.cc (Symbol_table::wrap_symbol): New function.
7420         (Symbol_table::add_from_object): Handle --wrap.
7421         * symtab.h (class Symbol_table): Declare wrap_symbol.
7422         * target.h (Target::wrap_char): New function.
7423         (Target::Target_info): Add wrap_char field.
7424         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7425         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7426         * testsuite/testfile.cc (Target_test::test_target_info):
7427         Likewise.
7429         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7430         there is one.
7432         * layout.h (class Layout): Add added_eh_frame_data_ field.
7433         * layout.cc (Layout::Layout): Initialize new field.
7434         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7435         output section until we find a section we merged successfully.
7436         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7437         that the size be non-zero.
7439         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7440         qualifier.
7442 2008-04-08  Craig Silverstein  <csilvers@google.com>
7444         * configure.ac: Export new conditional variable HAVE_ZLIB.
7445         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7446         on HAVE_ZLIB.
7447         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7448         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7450 2008-04-07  Ian Lance Taylor  <iant@google.com>
7452         * version.cc (version_string): Set to "1.5".
7454         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7455         Add issued_non_pic_error_ field.  Declare check_non_pic.
7456         (Target_x86_64::Scan::check_non_pic): New function.
7457         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7458         (Target_x86_64::Scan::global): Likewise.
7460         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7461         addend parameter.  Change caller.  Handle merge sections.
7462         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7463         Address to Addend.  Don't add in the result of
7464         local_section_offset, pass down the addend and use the returned
7465         value.
7466         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7467         Update declarations of local_section_offset and symbol_value.
7468         * testsuite/two_file_test_1.cc (t18): New function.
7469         * testsuite/two_file_test_2.cc (f18): New function.
7470         * testsuite/two_file_test_main.cc (main): Call t18.
7471         * testsuite/two_file_test.h (t18, f18): Declare.
7473         * configure.ac: Don't test for objdump, c++filt, or readelf.
7474         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7475         conditionals.
7476         (TEST_READELF): New variable.
7477         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7478         (check_PROGRAMS): Add two_file_strip_test.
7479         (two_file_strip_test): New target.
7480         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7481         (two_file_same_shared_strip_test_SOURCES): New variable.
7482         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7483         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7484         (two_file_same_shared_strip_test_LDADD): New variable.
7485         (two_file_shared_strip.so): New target.
7486         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7487         (ver_test_5.syms, ver_test_7.syms): Likewise.
7488         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7489         (strip_test_3.stdout): Use TEST_OBJDUMP.
7490         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7492 2008-04-04  Cary Coutant  <ccoutant@google.com>
7494         * symtab.h (Symbol::is_weak_undefined): New function.
7495         (Symbol::is_strong_undefined): New function.
7496         (Symbol::is_absolute): New function.
7497         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7498         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7499         absolute symbols.
7500         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7501         (weak_undef_test): New target.
7502         * testsuite/Makefile.in: Rebuild.
7503         * testsuite/weak_undef_file1.cc: New file.
7504         * testsuite/weak_undef_file2.cc: New file.
7505         * testsuite/weak_undef_test.cc: New file.
7507 2008-04-03  Craig Silverstein  <csilvers@google.com>
7509         * compressed_output.h (class Output_compressed_section): Use
7510         unsigned buffer.
7511         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7512         add zlib header.
7513         (zlib_compressed_suffix): Removed.
7514         (Output_compressed_section::set_final_data_size): Use unsigned
7515         buffers.
7516         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7517         Fix linker invocation.
7518         (flagstest_o_specialfile_and_compress_debug_sections):
7519         Likewise.
7520         * testsuite/Makefile.in: Regenerated.
7522 2008-04-02  David S. Miller  <davem@davemloft.net>
7524         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7525         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7527 2008-04-02  Craig Silverstein  <csilvers@google.com>
7529         * TODO: New file.
7531 2008-04-02  Ian Lance Taylor  <iant@google.com>
7533         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7534         parameters.  Update for new key type to views_.  Change all
7535         callers.
7536         (File_read::read): Adjust for byteshift in returned view.
7537         (File_read::add_view): New function, broken out of
7538         find_and_make_view.
7539         (File_read::make_view): New function, broken out of
7540         find_and_make_view.
7541         (File_read::find_or_make_view): Add offset and aligned
7542         parameters.  Rewrite accordingly.  Change all callers.
7543         (File_read::get_view): Add offset and aligned parameters.  Adjust
7544         for byteshift in return value.
7545         (File_read::get_lasting_view): Likewise.
7546         * fileread.h (class File_read): Update declarations.
7547         (class File_read::View): Add byteshift_ field.  Add byteshift to
7548         constructor.  Add byteshift method.
7549         * archive.h (Archive::clear_uncached_views): New function.
7550         (Archive::get_view): Add aligned parameter.  Change all callers.
7551         * object.h (Object::get_view): Add aligned parameter.  Change all
7552         callers.
7553         (Object::get_lasting_view): Likewise.
7555         * fileread.cc (File_read::release): Don't call clear_views if
7556         there are multiple objects.
7557         * fileread.h (File_read::clear_uncached_views): New function.
7558         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7559         on the archive.
7561 2008-03-31  Cary Coutant  <ccoutant@google.com>
7563         Add thin archive support.
7564         * archive.cc (Archive::armagt): New const.
7565         (Archive::setup): Remove task parameter and calls to unlock.
7566         (Archive::unlock_nested_archives): New function.
7567         (Archive::read_header): Add nested_off parameter. Change
7568         all callers.
7569         (Archive::interpret_header): Likewise.
7570         (Archive::include_all_members): Change to handle thin
7571         archives.
7572         (Archive::include_member): Likewise.
7573         * archive.h (Archive::Archive): Add new parameters and
7574         initializers.
7575         (Archive::armagt): New const.
7576         (Archive::setup): Remove task parameter.
7577         (Archive::unlock_nested_archives): New function.
7578         (Archive::read_header): Add nested_off parameter.
7579         (Archive::interpret_header): Likewise.
7580         (Archive::Nested_archive_table): New typedef.
7581         (Archive::is_thin_archive_): New field.
7582         (Archive::nested_archives_): New field.
7583         (Archive::options_): New field.
7584         (Archive::dirpath_): New field.
7585         (Archive::task_): New field.
7586         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7587         for thin archives.  Pass additional parameters to
7588         Archive::Archive.  Unlock the archive file after calling
7589         Archive::setup.
7591 2008-03-29  Ian Lance Taylor  <iant@google.com>
7593         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7594         version symbol to be local.
7595         * testsuite/ver_test_4.sh: New file.
7596         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7597         (check_DATA): Add ver_test_4.syms.
7598         (ver_test_4.syms): New target.
7599         * testsuite/Makefile.in: Rebuild.
7601         * output.cc
7602         (Output_section::Input_section_sort_entry::has_priority): New
7603         function.
7604         (Output_section::Input_section_sort_entry::match_file_name): New
7605         function.
7606         (Output_section::Input_section_sort_entry::match_section_name):
7607         Remove.
7608         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7609         Remove.
7610         (Output_section::Input_section_sort_entry::match_section_file):
7611         Remove.
7612         (Output_section::Input_section_sort_compare::operator()): Rewrite
7613         using new Input_section_sort_entry functions.  Sort crtbegin and
7614         crtend first.  Sort sections with no priority before sections with
7615         a priority.
7616         * testsuite/initpri1.c (d3): Check j != 4.
7617         (cd5): New constructor/destructor function.
7618         (main): Check j != 2.
7620         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7621         new symbol when resolving, don't call set_is_default.
7622         * testsuite/ver_test_7.cc: New file.
7623         * testsuite/ver_test_7.sh: New file.
7624         * testsuite/Makefile.am (ver_test_7.so): New target.
7625         (ver_test_7.o): New target.
7626         (check_SCRIPTS): Add ver_test_7.sh.
7627         (check_DATA): Add ver_test_7.syms.
7628         (ver_test_7.syms): New target.
7630 2008-03-28  Ian Lance Taylor  <iant@google.com>
7632         * layout.cc (Layout::layout): If we see an input section with a
7633         name that needs sorting, set the must_sort flag for the output
7634         section.
7635         (Layout::make_output_section): If the name of the output section
7636         indicates that it might require sorting, set the may_sort flag.
7637         * output.h (Output_section::may_sort_attached_input_sections): New
7638         function.
7639         (Output_section::set_may_sort_attached_input_sections): New
7640         function.
7641         (Output_section::must_sort_attached_input_sections): New
7642         function.
7643         (Output_section::set_must_sort_attached_input_sections): New
7644         function.
7645         (class Output_section): Declare Input_section_sort_entry.  Define
7646         Input_section_sort_compare.  Declare
7647         sort_attached_input_sections.  Add new fields:
7648         may_sort_attached_input_sections_,
7649         must_sort_attached_input_sections_,
7650         attached_input_sections_are_sorted_.
7651         * output.cc (Output_section::Output_section): Initialize new
7652         fields.
7653         (Output_section::add_input_section): Add an entry to
7654         input_sections_ if may_sort or must_sort are true.
7655         (Output_section::set_final_data_size): Call
7656         sort_attached_input_sections if necessary.
7657         (Output_section::Input_section_sort_entry): Define new class.
7658         (Output_section::Input_section_sort_compare::operator()): New
7659         function.
7660         (Output_section::sort_attached_input_sections): New function.
7661         * configure.ac: Check whether the compiler supports constructor
7662         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7663         * testsuite/initpri1.c: New file.
7664         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7665         CONSTRUCTOR_PRIORITY.
7666         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7667         (initpri1_LDFLAGS): New variable.
7668         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7670 2008-03-27  Ian Lance Taylor  <iant@google.com>
7672         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7673         * testsuite/common_test_1.c: New file.
7674         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7675         (common_test_1_SOURCES): New variable.
7676         (common_test_1_DEPENDENCIES): New variable.
7677         (common_test_1_LDFLAGS): New variable.
7679         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7680         and commons_ correctly when NAME/VERSION does not override
7681         NAME/NULL.
7682         * testsuite/ver_test_6.c: New file.
7683         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7684         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7685         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7687 2008-03-26  Ian Lance Taylor  <iant@google.com>
7689         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7690         of an undefined symbol from a version script.
7691         * testsuite/Makefile.am (ver_test_5.so): New target.
7692         (ver_test_5.o): New target.
7693         (check_SCRIPTS): Add ver_test_5.sh.
7694         (check_DATA): Add ver_test_5.syms.
7695         (ver_test_5.syms): New target.
7696         * testsuite/ver_test_5.cc: New file.
7697         * testsuite/ver_test_5.script: New file.
7698         * testsuite/ver_test_5.sh: New file.
7699         * Makefile.in, testsuite/Makefile.in: Rebuild.
7701         PR gold/5986
7702         Fix problems building gold with gcc 4.3.0.
7703         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7704         (gold_error_at_location, gold_warning_at_location): Use it.
7705         * configure.ac: Check whether we can compile and use a template
7706         function with a printf attribute.
7707         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7708         when jumping over bytes.
7709         * object.cc: Instantiate Object::read_section_data.
7710         * debug.h: Include <cstring>
7711         * dwarf_reader.cc: Include <algorithm>
7712         * main.cc: Include <cstring>.
7713         * options.cc: Include <cstring>.
7714         * output.cc: Include <cstring>.
7715         * script.cc: Include <cstring>.
7716         * script.h: Include <string>.
7717         * symtab.cc: Include <cstring> and <algorithm>.
7718         * target-select.cc: Include <cstring>.
7719         * version.cc: Include <string>.
7720         * testsuite/testmain.cc: Include <cstdlib>.
7721         * configure, config.in: Rebuild.
7723 2008-03-25  Ian Lance Taylor  <iant@google.com>
7725         * options.cc: Include "../bfd/bfdver.h".
7726         (options::help): Print bug reporting address.
7728         * version.cc (print_version): Adjust output for current value of
7729         BFD_VERSION_STRING.
7731         * NEWS: New file.
7733         * options.cc (options::help): Print list of supported targets.
7734         * target-select.h: Include <vector>.
7735         (class Target_selector): Make machine_, size_, and is_big_endian_
7736         fields const.  Add bfd_name_ and instantiated_target_ fields.
7737         (Target_selector::Target_selector): Add bfd_name parameter.
7738         (Target_selector::recognize): Make non-virtual, call
7739         do_recognize.
7740         (Target_selector::recognize_by_name): Make non-virtual, call
7741         do_recognize_by_name.
7742         (Target_selector::supported_names): New function.
7743         (Target_selector::bfd_name): New function.
7744         (Target_selector::do_instantiate_target): New pure virtual
7745         function.
7746         (Target_selector::do_recognize): New virtual function.
7747         (Target_selector::do_recognize_by_name): New virtual function.
7748         (Target_selector::instantiate_target): New private function.
7749         (supported_target_names): Declare.
7750         * target-select.cc (Target_selector::Target_selector): Update for
7751         new parameter and fields.
7752         (select_target_by_name): Check that the name matches before
7753         calling recognize_by_name.
7754         (supported_target_names): New function.
7755         * i386.cc (class Target_selector_i386): Update Target_selector
7756         constructor call.  Remove recognize and recognize_by_name.  Add
7757         do_instantiate_target.
7758         * x86_64.cc (class Target_selector_x86_64): Likewise.
7759         * testsuite/testfile.cc (class Target_selector_test): Update for
7760         changes to Target_selector.
7762         * README: Rewrite, with some notes on unsupported features.
7764 2008-03-24  Cary Coutant  <ccoutant@google.com>
7766         * i386.cc (Target_i386::Got_type): New enum declaration.
7767         (Target_i386::Scan::local): Updated callers of Output_data_got
7768         member functions.
7769         (Target_i386::Scan::global): Likewise.
7770         (Target_i386::Relocate::relocate): Likewise.
7771         (Target_i386::Relocate::relocate_tls): Likewise.
7772         * object.h (Got_offset_list): New class.
7773         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7774         (Sized_relobj::local_got_offset): Likewise.
7775         (Sized_relobj::set_local_got_offset): Likewise.
7776         (Sized_relobj::local_has_tls_got_offset): Removed.
7777         (Sized_relobj::local_tls_got_offset): Removed.
7778         (Sized_relobj::set_local_tls_got_offset): Removed.
7779         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7780         * output.cc (Output_data_got::add_global): Added got_type parameter.
7781         (Output_data_got::add_global_with_rel): Likewise.
7782         (Output_data_got::add_global_with_rela): Likewise.
7783         (Output_data_got::add_global_pair_with_rel): New function.
7784         (Output_data_got::add_global_pair_with_rela): New function.
7785         (Output_data_got::add_local): Added got_type parameter.
7786         (Output_data_got::add_local_with_rel): Likewise.
7787         (Output_data_got::add_local_with_rela): Likewise.
7788         (Output_data_got::add_local_pair_with_rel): New function.
7789         (Output_data_got::add_local_pair_with_rela): New function.
7790         (Output_data_got::add_global_tls): Removed.
7791         (Output_data_got::add_global_tls_with_rel): Removed.
7792         (Output_data_got::add_global_tls_with_rela): Removed.
7793         (Output_data_got::add_local_tls): Removed.
7794         (Output_data_got::add_local_tls_with_rel): Removed.
7795         (Output_data_got::add_local_tls_with_rela): Removed.
7796         * output.h (Output_data_got::add_global): Added got_type parameter.
7797         (Output_data_got::add_global_with_rel): Likewise.
7798         (Output_data_got::add_global_with_rela): Likewise.
7799         (Output_data_got::add_global_pair_with_rel): New function.
7800         (Output_data_got::add_global_pair_with_rela): New function.
7801         (Output_data_got::add_local): Added got_type parameter.
7802         (Output_data_got::add_local_with_rel): Likewise.
7803         (Output_data_got::add_local_with_rela): Likewise.
7804         (Output_data_got::add_local_pair_with_rel): New function.
7805         (Output_data_got::add_local_pair_with_rela): New function.
7806         (Output_data_got::add_global_tls): Removed.
7807         (Output_data_got::add_global_tls_with_rel): Removed.
7808         (Output_data_got::add_global_tls_with_rela): Removed.
7809         (Output_data_got::add_local_tls): Removed.
7810         (Output_data_got::add_local_tls_with_rel): Removed.
7811         (Output_data_got::add_local_tls_with_rela): Removed.
7812         * resolve.cc (Symbol::override_base_with_special): Removed
7813         reference to has_got_offset_ field.
7814         * symtab.cc (Symbol::init_fields): Replaced initialization
7815         of got_offset_ with got_offsets_.  Removed initialization
7816         of has_got_offset_
7817         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7818         (Symbol::got_offset): Likewise.
7819         (Symbol::set_got_offset): Likewise.
7820         (Symbol::has_tls_got_offset): Removed.
7821         (Symbol::tls_got_offset): Removed.
7822         (Symbol::set_tls_got_offset): Removed.
7823         (Symbol::got_offset_): Removed.
7824         (Symbol::tls_mod_got_offset_): Removed.
7825         (Symbol::tls_pair_got_offset_): Removed.
7826         (Symbol::got_offsets_): New field.
7827         (Symbol::has_got_offset): Removed.
7828         (Symbol::has_tls_mod_got_offset): Removed.
7829         (Symbol::has_tls_pair_got_offset): Removed.
7830         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7831         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7832         member functions.
7833         (Target_x86_64::Scan::global): Likewise.
7834         (Target_x86_64::Relocate::relocate): Likewise.
7835         (Target_x86_64::Relocate::relocate_tls): Likewise.
7837 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7839         * yyscript.y: Fix spelling error in comment.
7841 2008-03-24  Ian Lance Taylor  <iant@google.com>
7843         * options.h (class General_options): Define build_id option.
7844         * layout.h (class Layout): Declare write_build_id, create_note,
7845         create_build_id.  Add build_id_note_ member.
7846         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7847         "libiberty.h", "md5.h", "sha1.h".
7848         (Layout::Layout): Initialize eh_frame_data_,
7849         eh_frame_hdr_section_, and build_id_note_.
7850         (Layout::finalize): Call create_build_id.
7851         (Layout::create_note): New function, broken out of
7852         Layout::create_gold_note.
7853         (Layout::create_gold_note): Call create_note.
7854         (Layout::create_build_id): New function.
7855         (Layout::write_build_id): New function.
7856         (Close_task_runner::run): Call write_build_id.
7858         * x86_64.cc: Correct license to GPLv3.
7860 2008-03-23  Ian Lance Taylor  <iant@google.com>
7862         * options.cc: Include "demangle.h".
7863         (parse_optional_string): New function.
7864         (parse_long_option): Handle takes_optional_argument.
7865         (parse_short_option): Update dash_z initializer.  Handle
7866         takes_optional_argument.
7867         (General_options::General_options): Initialize do_demangle_.
7868         (General_options::finalize): Set do_demangle_.  Handle demangling
7869         style.
7870         * options.h (parse_optional_string): Declare.
7871         (struct One_option): Add optional_arg field.  Update constructor.
7872         Update call constructor calls.  Add takes_optional_argument
7873         function.
7874         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7875         (DEFINE_optional_string): Define.
7876         (General_options::demangle): Change from DEFINE_bool to
7877         DEFINE_optional_string.
7878         (General_options::no_demangle): New function.
7879         (General_options::do_demangle): New function.
7880         (General_options::set_do_demangle): New function.
7881         (General_options::execstack_status_): Move definition to end of
7882         class definition.
7883         (General_options::static_): Likewise.
7884         (General_options::do_demangle_): New field.
7885         * object.cc (big_endian>::get_symbol_location_info): Call
7886         Options::do_demangle, not Options::demangle.
7887         * symtab.cc (demangle): Likewise.
7889 2008-03-22  Ian Lance Taylor  <iant@google.com>
7891         * gold.h: Include <cstddef> and <sys/types.h>
7892         * options.h: Include <cstring>.
7894 2008-03-21  Ian Lance Taylor  <iant@google.com>
7896         * Added source code to GNU binutils.