2010-06-02 Quentin Neill <quentin.neill@amd.com>
[binutils.git] / gold / ChangeLog
blob95e683f4152c27a92ccc34447fdc690e16a2be9f
1 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3         * gold.h (is_wildcard_string): New function.
4         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5         (Layout::layout_eh_frame): Ditto.
6         (Layout::find_section_order_index): New method.
7         (Layout::read_layout_from_file): New method.
8         * layout.h (Layout::find_section_order_index): New method.
9         (Layout::read_layout_from_file): New method.
10         (Layout::input_section_position_): New private member.
11         (Layout::input_section_glob_): New private member.
12         * main.cc (main): Call read_layout_from_file here.
13         * options.h (--section-ordering-file): New option.
14         * output.cc (Output_section::input_section_order_specified_): New
15         member.
16         (Output_section::Output_section): Initialize new member.
17         (Output_section::add_input_section): Add new parameter.
18         Keep input sections when --section-ordering-file is used.
19         (Output_section::set_final_data_size): Sort input sections when
20         section ordering file is specified.
21         (Output_section::Input_section_sort_entry): Add new parameter.
22         Check sorting type.
23         (Output_section::Input_section_sort_entry::compare_section_ordering):
24         New method.
25         (Output_section::Input_section_sort_compare::operator()): Change to
26         consider section_order_index.
27         (Output_section::Input_section_sort_init_fini_compare::operator()):
28         Change to consider section_order_index.
29         (Output_section::Input_section_sort_section_order_index_compare
30         ::operator()): New method.
31         (Output_section::sort_attached_input_sections): Change to sort
32         according to section order when specified.
33         (Output_section::add_input_section<32, true>): Add new parameter. 
34         (Output_section::add_input_section<64, true>): Add new parameter. 
35         (Output_section::add_input_section<32, false>): Add new parameter. 
36         (Output_section::add_input_section<64, false>): Add new parameter. 
37         * output.h (Output_section::add_input_section): Add new parameter.
38         (Output_section::input_section_order_specified): New
39         method.
40         (Output_section::set_input_section_order_specified): New method.
41         (Input_section::Input_section): Initialize section_order_index_.
42         (Input_section::section_order_index): New method.
43         (Input_section::set_section_order_index): New method.
44         (Input_section::section_order_index_): New member.
45         (Input_section::Input_section_sort_section_order_index_compare): New
46         struct.
47         (Output_section::input_section_order_specified_): New member.
48         * script-sections.cc (is_wildcard_string): Delete and move modified
49         method to gold.h.
50         (Output_section_element_input::Output_section_element_input): Modify
51         call to is_wildcard_string.
52         (Output_section_element_input::Input_section_pattern
53         ::Input_section_pattern): Ditto.
54         (Output_section_element_input::Output_section_element_input): Ditto.
55         * testsuite/Makefile.am (final_layout): New test case.
56         * testsuite/Makefile.in: Regenerate.
57         * testsuite/final_layout.cc: New file.
58         * testsuite/final_layout.sh: New file.
60 2010-06-01  Rafael Espindola  <espindola@google.com>
62         * plugin.cc (Plugin::load): Pass the output name to the plugin.
64 2010-06-01  Rafael Espindola  <espindola@google.com>
66         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
67         visibility of symbols.
69 2010-05-27  Doug Kwan  <dougkwan@google.com>
71         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
72         from start of output section instead of address for a local symbol
73         in a merged or relaxed section when doing a relocatable link.
75 2010-05-26  Rafael Espindola  <espindola@google.com>
77        PR 11604
78         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
79         adding sections the garbage collector removed.
80         * gold/testsuite/Makefile.am: Add test.
81         * gold/testsuite/Makefile.in: Regenerate.
82         * gold/testsuite/plugin_test_7.sh: New.
83         * gold/testsuite/plugin_test_7_1.c: New.
84         * gold/testsuite/plugin_test_7_2.c: New.
86 2010-05-26  Rafael Espindola  <espindola@google.com>
88         * script-sections.cc (Output_section_definition::set_section_addresses):
89         Check for --section-start.
91 2010-05-26  Doug Kwan  <dougkwan@google.com>
93         * arm.cc (Arm_scan_relocatable_relocs): New class.
94         (Target_arm::relocate_special_relocatable): New method.
95         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
96         (Arm_relocate_functions::thumb_branch_common): Same.
97         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
98         instead of Default_scan_relocatable_relocs.
99         * target-reloc.h (relocate_for_relocatable): Let target handle
100         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
101         * target.h (Sized_target::relocate_special_relocatable): New method.
103 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
105         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
107 2010-05-23  Doug Kwan  <dougkwan@google.com>
109         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
110         instead of a cast.
111         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
112         with a direct branch, not a conditional branch, to a stub.
113         * merge.cc (Output_merge_base::record_input_section): New method
114         defintion.
115         (Output_merge_data::do_add_input_section): Record input section if
116         keeps-input-sections flag is set.
117         (Output_merge_string::do_add_input_section): Ditto.
118         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
119         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
120         INPUT_SECTIONS_.
121         (Output_merge_base::keeps_input_sections,
122         Output_merge_base::set_keeps_input_sections,
123         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
124         method definitions.
125         (Output_merge_base::Input_sections): New type declaration.
126         (Output_merge_base::input_sections_begin,
127         Output_merge_base::input_sections_end,
128         Output_merge_base::do_set_keeps_input_sections): New method definitions.
129         (Output_merge_base::bool keeps_input_sections_,
130         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
131         Output_merge_base::input_sections_): New data members.
132         (Output_merge_data::do_set_keeps_input_sections): New method
133         defintion.
134         (Output_merge_string::do_set_keeps_input_sections): Ditto.
135         * output.cc (Output_section::Input_section::relobj): Move method
136         defintion from class declaration to here and handle merge sections.
137         (Output_section::Input_section::shndx): Ditto.
138         (Output_section::Output_section): Remove initializations of removed
139         data members and initialize new data member LOOKUP_MAPS_.
140         (Output_section::add_input_section): Set keeps-input-sections flag
141         for a newly created merge output section as appropriate.  Adjust code
142         to use Output_section_lookup_maps class.
143         (Output_section::add_relaxed_input_section): Adjst code for lookup
144         maps code refactoring.
145         (Output_section::add_merge_input_section): Add a new parameter
146         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
147         class.  If adding input section to a newly created merge output
148         section fails, remove the new merge section.
149         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
150         Adjust code for use of the Output_section_lookup_maps class. 
151         (Output_section::find_merge_section): Ditto.
152         (Output_section::build_lookup_maps): New method defintion.
153         (Output_section::find_relaxed_input_section): Adjust code to use
154         Output_section_lookup_maps class.
155         (Output_section::get_input_sections): Export merge sections.  Adjust
156         code to use Output_section_lookup_maps class.
157         (Output_section:::add_script_input_section): Adjust code to use
158         Output_section_lookup_maps class.  Update lookup maps for merge
159         sections also.
160         (Output_section::discard_states): Use Output_section_lookup_maps.
161         (Output_section::restore_states): Same.
162         * output.h (Merge_section_properties): Move class defintion out of
163         Output_section.
164         (Output_section_lookup_maps): New class.
165         (Output_section::Input_section::is_merge_section): New method
166         defintion.
167         (Output_section::Input_section::relobj): Move defintion out of class
168         defintion.  Declare method only.
169         (Output_section::Input_section::shndx): Ditto.
170         (Output_section::Input_section::output_merge_base): New method defintion.
171         (Output_section::Input_section::u2_.pomb): New union field.
172         (Output_section::Merge_section_by_properties_map,
173         Output_section::Output_section_data_by_input_section_map,
174         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
175         Remove types.
176         (Output_section::add_merge_input_section): Add new parameter
177         KEEPS_INPUT_SECTIONS.
178         (Output_section::build_lookup_maps): New method declaration.
179         (Output_section::merge_section_map_,
180         Output_section::merge_section_by_properties_map_,
181         Output_section::relaxed_input_section_map_,
182         Output_section::is_relaxed_input_section_map_valid_): Remove data
183         members.
184         (Output_section::lookup_maps_): New data member.
186 2010-05-21  Doug Kwan  <dougkwan@google.com>
188         PR gold/11619
189         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
190         avoid a compilation error.
192 2010-05-19  Rafael Espindola  <espindola@google.com>
194         * script-sections.cc (Output_section_definition::allocate_to_segment):
195         Update the phdrs_list even when the output section is NULL.
196         * testsuite/Makefile.am: Add test.
197         * testsuite/Makefile.in: Regenerate.
198         * testsuite/script_test_9.cc: New.
199         * testsuite/script_test_9.sh: New.
200         * testsuite/script_test_9.t: New.
202 2010-05-19  Doug Kwan  <dougkwan@google.com>
204         * arm.cc (Arm_input_section::original_size): New method.
205         (Arm_input_section::do_addralign): Add a cast.
206         (Arm_input_section::do_output_offset): Remove static cast.
207         (Arm_input_section::original_addralign,
208          Arm_input_section::original_size_): Change type to uint32_t.
209         (Arm_input_section::init): Add safe casts for section alignment
210         and size.
211         (Arm_input_section::set_final_data_size): Do not set address and
212         offset of stub table.
213         (Arm_output_section::fix_exidx_coverage): Change use of of
214         Output_section::Simple_input_section to that of
215         Output_section::Input_section.
216         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
217         except for the first pass.
218         * output.cc (Output_section::get_input_sections): Change type of
219         input_sections to std::list<Input_section>.
220         (Output_section::add_script_input_section): Rename from
221         Output_section::add_simple_input_section.  Change type of SIS
222         parameter from Simple_input_section to Input_section.
223         * output.h (Output_section::Simple_input_section): Remove class.
224         (Output_section::Input_section): Change class visibility to public.
225         (Output_section::Input_section::addralign): Use stored alignments
226         for special input sections if set.
227         (Output_section::Input_section::set_addralign): New method.
228         (Output_section::get_input_sections): Change parameter type from
229         list of Simple_input_section to list of Input_section.
230         (Output_section::add_script_input_section): Rename from
231         Output_section::add_simple_input_section. Change first parameter's
232         type from Simple_input_section to Input_section and remove the
233         second and third parameters.
234         * script-sections.cc (Input_section::Input_section_list): Change
235         type to list of Output_section::Input_section/
236         (Input_section_info::Input_section_info): Change parameter type of
237         INPUT_SECTION to Output_section::Input_section.
238         (Input_section_info::input_section): Change return type.
239         (Input_section_info::input_section_): Change type to
240         Output_section::Input_section.
241         (Output_section_element_input::set_section_addresses): Adjust code
242         to use Output_section::Input_section instead of
243         Output_section::Simple_input_section.  Adjust code for renaming
244         of Output_section::add_simple_input_section.
245         (Orphan_output_section::set_section_addresses): Ditto.
247 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
249         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
250         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
252 2010-05-18  Rafael Espindola  <espindola@google.com>
254         * options.cc (General_options::finalize): Handle -nostdlib.
255         * options.h (nostdlib): New option.
256         * script.cc (script_add_search_dir): Handle -nostdlib.
258 2010-05-12  Doug Kwan  <dougkwan@google.com>
260         * arm.cc (Target_arm::do_finalize_sections): Create an empty
261         attributes section only if there no attributes section after merging.
262         (Target_arm::merge_object_attributes): Move value of
263         Tag_MPextension_use_legacy to that of Tag_MPextension_use. 
264         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
265         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
266         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
267         and arm_attr_merge_7.stdout.
268         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
269         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
270         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
271         arm_attr_merge_7b.o): New rules.
272         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
273         arm_attr_merge_7
274         * testsuite/Makefile.in: Regenerate.
275         * testsuite/arm_attr_merge.sh: New file.
276         * testsuite/arm_attr_merge_[67][ab].s: Same.
278 2010-05-05  Nick Clifton  <nickc@redhat.com>
280         * po/es.po: Updated Spanish translation.
282 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
284         * Makefile.am (install-exec-local): Properly install gold as
285         default cross linker.
286         * Makefile.in: Regenerated.
288 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
289             Nick Clifton  <nickc@redhat.com>
291         * configure.ac (install_as_default): Define and set to false
292         unless --enable-gold or --enable-gold=both/gold has been
293         specified.
294         * configure: Regenerate.
296         * Makefile.am (install-exec-local): Install the executable as
297         'ld.gold'.  If install_as_default is true then also install it as
298         'ld'.
299         * Makefile.in: Regenerated.
301 2010-04-24  Ian Lance Taylor  <iant@google.com>
303         * layout.cc (Layout::layout_reloc): In relocatable link don't
304         combine reloc sections for grouped sections.
306 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
308         * gc.h (gc_process_relocs): Pass information on relocs pointing to
309         sections that are not ordinary to icf.
310         * icf.cc (get_section_contents): Handle relocation pointing to section
311         with no object or shndx information.
312         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
313         * testsuite/Makefile.in: Regenerate.
314         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
315         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
317 2010-04-22  Ian Lance Taylor  <iant@google.com>
319         * expression.cc (Expression::Expression_eval_info): Add
320         result_alignment_pointer field.
321         (Expression::eval_with_dot): Add result_alignment_pointer
322         parameter.  Change all callers.
323         (Expression::eval_maybe_dot): Likewise.
324         (class Binary_expression): Add alignment_pointer parameter to
325         left_value and right_value.  Change all callers.
326         (BINARY_EXPRESSION): Set result alignment.
327         (class Trinary_expression): Add alignment_pointer parameter to
328         arg2_value and arg3_value.  Change all callers.
329         (Trinary_cond::value): Set result alignment.
330         (Max_expression::value, Min_expression::value): Likewise.
331         (Align_expression::value): Likewise.
332         * script-sections.cc (class Sections_element): Add dot_alignment
333         parameter to set_section_addresses virtual function.  Update
334         instantiations.
335         (class Output_section_element): Likewise.
336         (Script_sections::create_segments): Add dot_alignment parameter.
337         Change all callers.
338         (Script_sections::create_segments_from_phdrs_clause): Likewise.
339         (Script_sections::set_phdrs_clause_addresses): Likewise.
340         * script-sections.h: Update declarations.
341         * script.h: Update declarations.
342         * output.h (Output_segment::set_minimum_p_align): Don't decrease
343         min_p_align.
344         * testsuite/script_test_3.t: Set large alignment.
345         * testsuite/script_test_3.sh: Make sure that at least one LOAD
346         segment has expected alignment.
348 2010-04-22  Nick Clifton  <nickc@redhat.com>
350         * po/gold.pot: Updated by the Translation project.
351         * po/vi.po: Updated Vietnamese translation.
353 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
355         * testsuite/Makefile.am (check_PROGRAMS): Add
356         icf_virtual_function_folding_test.
357         * testsuite/Makefile.in: Regenerated.
359 2010-04-15  Andrew Haley  <aph@redhat.com>
361         * options.h (merge_exidx_entries): New option.
362         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
363         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
364         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
365         (Target_arm::merge_exidx_entries): New function.
366         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
367         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
368         to Arm_exidx_fixup constructor.
369         Add new arg, merge_exidx_entries.
370         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
371         Arm_output_section::fix_exidx_coverage.
373 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
375         * icf.cc (get_section_contents): Check for preemptible functions.
376         Ignore addend when appropriate.
377         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
378         section folded.
379         (add_from_relobj): Check for section folded.
380         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
381         * symtab.h (should_add_dynsym_entry): Add new parameter.
382         * target-reloc.h (scan_relocs): Check for section folded.
383         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
384         Check reloc types for function pointers in shared objects.
385         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
386         case.
387         (icf_preemptible_functions_test): New test case.
388         (icf_string_merge_test): New test case.
389         * testsuite.Makefile.in: Regenerate.
390         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
391         bar_glob.  Refactor code.
392         * testsuite/icf_preemptible_functions_test.cc: New file.
393         * testsuite/icf_preemptible_functions_test.sh: New file.
394         * testsuite/icf_string_merge_test.cc: New file.
395         * testsuite/icf_string_merge_test.sh: New file.
396         * testsuite/icf_virtual_function_folding_test.cc: New file.
397         * testsuite/icf_virtual_function_folding_test.sh: New file.
399 2010-04-14  Doug Kwan  <dougkwan@google.com>
401         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
402         for local symbol recounting if we remove a section due to ICF.
403         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
404         there are no regular objects in input.
406 2010-04-13  Doug Kwan  <dougkwan@google.com>
408         * arm.cc (Arm_input_section::set_final_data_size): Compute
409         accurate final data size instead of using current data size.
411 2010-04-09  Doug Kwan  <dougkwan@google.com>
413         * layout.cc (Layout::choose_output_section): Handle script section
414         types.
415         (Layout::make_output_section_for_script): Add section type parameter.
416         Handle script section types.
417         * layout.h (Layout::make_output_section_for_script): Add section
418         type parameter.
419         * output.cc (Output_section::Output_section): Initialize data member
420         is_noload_.
421         (Output_section::do_reset_address_and_file_offset): Do not set address
422         to 0 if section is a NOLOAD section.
423         * output.h (Output_section::is_noload): New method.
424         (Output_section::set_is_noload): Ditto.
425         (Output_section::is_noload_): New data member.
426         * script-c.h (Script_section_type): New enum type.
427         (struct Parser_output_section_header): Add new file section_type.
428         * script-sections.cc (Sections_element::output_section_name): Add
429         parameter for returning script section type.
430         (Output_section_definition::output_section_name): Ditto.
431         (Output_section_definition::section_type)P; New method.
432         (Output_section_definiton::script_section_type_name): Ditto.
433         (Output_section_definition::script_section_type_): New data member.
434         (Output_section_definition::Output_section_definition): Initialize
435         data member Output_section_definition::script_section_type_.
436         (Output_section_definition::create_sections): Pass script section type
437         to Layout::make_output_section_for_script.
438         (Output_section_definition::output_section_name): Return script
439         section type to caller.
440         (Output_section_definition::set_section_address): Do not advance
441         dot value and load address if section type is NOLOAD.  Set address
442         of NOLOAD sections regardless of section flags.
443         (Output_section_definition::print): Print section type if it is
444         not SCRIPT_SECTION_TYPE_NONE.
445         (Output_section_definition::section_type): New method.
446         (Output_section_definition::script_section_type_name): Ditto.
447         (Script_sections::output_section_name): Add new parameter
448         PSECTION_TYPE for returning script section type.  Pass it to
449         section elements.  Handle discard sections.
450         (Sort_output_sections::operator()): Handle NOLOAD sections.
451         * script-sections.h (Script_sections::Section_type): New enum type.
452         (Script_sections::output_section_name): Add a new parameter for
453         returning script section type.
454         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
455         INFO and NOLOAD.
456         * yyscript.y (union): Add new field SECTION_TYPE.
457         (COPY, DSECT, INFO, NOLOAD): New tokens.
458         (opt_address_and_section_type): Change type to output_section_header.
459         (section_type): New non-terminal
460         (section_header): Handle section type.
461         (opt_address_and_section_type): Return section type value.
463 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
465         * testsuite/plugin_common_test_1.c (foo): Add prototype.
466         * testsuite/plugin_common_test_2.c (foo): Likewise.
468 2010-04-08  Doug Kwan  <dougkwan@google.com>
470         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
471         Output_merge_data.
472         * output.cc (Output_section::add_merge_input_section): Simplify
473         code and return status of Output_merge_base::add_input_section.
474         Update merge section map only if Output_merge_base::add_input_section 
475         returns true.
477 2010-04-07  Doug Kwan  <dougkwan@google.com>
479         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
480         if section is marked as containing instructions but has no mapping
481         symbols.
482         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
483         correct section index.
484         (Arm_relobj::find_linked_text_section): Ditto.
486 2010-04-07  Cary Coutant  <ccoutant@google.com>
488         * archive.cc (include_member): Destroy Read_symbols_data object before
489         releasing file.
490         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
491         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
492         (Read_symbols_data::~Read_symbols_data) New destructor.
493         (Section_relocs::Section_relocs) New constructor.
494         (Section_relocs::~Section_relocs) New destructor.
495         (Read_relocs_data::Read_relocs_data) New constructor.
496         (Read_relocs_data::~Read_relocs_data) New destructor.
497         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
498         pointers to NULL after deleting.
500 2010-04-07  Doug Kwan  <dougkwan@google.com>
502         * arm.cc: Replace "endianity" with "endianness" in comments.
503         (Arm_exidx_cantunwind): Ditto.
504         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
505         (Arm_relobj::merge_flags_and_attributes): New method.
506         (Arm_relobj::merge_flags_and_attributes_): New data member.
507         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
508         (Arm_relobj::scan_sections_for_stubs): Ditto.
509         (Arm_relobj::do_read_symbols): Check to see if we really want to
510         merge processor-specific flags and attributes.  Exit early if
511         an object is empty except for section names and the undefined symbol.
512         (Target_arm::do_finalize_sections): Move check for ELF format to
513         Arm_relobj::do_read_symbols.  Merge processor specific flags and
514         attributes from a regular object only when we have determined that
515         it is aapropriate.  Do not create an .ARM.attributes section in
516         output if there is no regular input object.
517         (Target_arm::merge_processor_specific_flags): Check
518         --warn-mismatch before printing any error.
519         (Target_arm::merge_object_attributes): Ditto.
520         * gold.cc (queue_middle_tasks): Handle the case in which there is
521         no regular object in input.
522         * options.cc (General_options::parse_EB): New method.
523         (General_options::parse_EL): Same.
524         (General_options::General_options): Initialize endianness_.
525         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
526         New options.
527         (General_options::Endianness): New enum.
528         (General_options::endianness): New method.
529         (General_options::endianness_): New data member.
530         * parameters.cc (Parameters::set_options): Check target endianness.
531         (Parameters::set_target_once): Ditto.
532         (Parameters::check_target_endianness): New method.
533         (parameters_force_valid_target): If either -EL or -EB is specified,
534         use it to define endianness of default target.
535         * parameters.h (Parameters::check_target_endianness): New method
536         declaration.
537         * target.h (class Target): Change "endianity" to "endianness"
538         in comments.
540 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
542         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
543         * configure: Regenerate.
544         * Makefile.in: Regenerate.
545         * testsuite/Makefile.in: Regenerate.
547 2010-04-06  Cary Coutant  <ccoutant@google.com>
549         gcc PR lto/42757
550         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
551         prevailing definitions of common symbols.
552         * testsuite/plugin_test_6.sh: New test case.
553         * testsuite/plugin_common_test_1.c: New test case.
554         * testsuite/plugin_common_test_2.c: New test case.
555         * testsuite/Makefile.am (plugin_test_6): New test case.
556         * testsuite/Makefile.in: Regenerate.
558 2010-04-06  Nick Clifton  <nickc@redhat.com>
560         * po/vi.po: New Vietnamese translation.
562 2010-03-30  Doug Kwan  <dougkwan@google.com>
564         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
566 2010-03-25  Doug Kwan  <dougkwan@google.com>
568         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
569         to avoid a conversion warning on a 32-bit host.
571 2010-03-24  Ian Lance Taylor  <iant@google.com>
573         * testsuite/script_test_3.t: Add a TLS segment.
574         * testsuite/Makefile.am (check_PROGRAMS): Add
575         tls_phdrs_script_test.
576         (tls_phdrs_script_test_SOURCES): Define.
577         (tls_phdrs_script_test_DEPENDENCIES): Define.
578         (tls_phdrs_script_test_LDFLAGS): Define.
579         (tls_phdrs_script_test_LDADD): Define.
580         * testsuite/Makefile.in: Rebuild.
582 2010-03-23  Cary Coutant  <ccoutant@google.com>
584         * fileread.cc (find_or_make_view): Fix comment.
586 2010-03-23  Ian Lance Taylor  <iant@google.com>
588         * script-sections.cc (class Orphan_section_placement): Define
589         PLACE_TLS and PLACE_TLS_BSS.
590         (Orphan_section_placement::Orphan_section_placement): Initialize
591         new places.
592         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
593         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
594         (tls_script_test_SOURCES): Define.
595         (tls_script_test_DEPENDENCIES): Define.
596         (tls_script_test_LDFLAGS): Define.
597         (tls_script_test_LDADD): Define.
598         * testsuite/Makefile.in: Rebuild.
600 2010-03-22  Doug Kwan  <dougkwan@google.com>
602         * arm.cc (Arm_relocate_functions::abs8,
603         Arm_relocate_functions::abs16): Use correct check for overflow
604         specified in the ARM ELF specs.
605         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
606         target of a BLX instruction specially.
607         (Reloc_stub::stub_type_for_reloc): Ditto.
608         (Relocate::relocate): Use symbolic names instead of numeric relocation
609         codes to report error.
610         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
611         workaround.
612         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
613         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
614         thumb2_blx_out_of_range.stdout
615         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
616         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
617         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
618         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
619         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
620         thumb2_blx_in_range, thumb2_blx_in_range.o,
621         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
622         thumb2_blx_out_of_range.o): New rules.
623         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
624         thumb2_blx_in_range and thumb2_blx_out_of_range.
625         * testsuite/Makefile.in: Regenerate.
626         * arm_branch_in_range.sh: Add tests for THUMB BLX.
627         * testsuite/thumb_blx_in_range.s: New file.
628         * testsuite/thumb_blx_out_of_range.s: New file.
630 2010-03-22  Rafael Espindola  <espindola@google.com>
632         * archive.cc (Should_include): Move to archive.h.
633         (should_include_member): Make it a member of Archive.
634         (Lib_group): New.
635         (Add_lib_group_symbols): New.
636         * archive.h: Include options.h.
637         (Archive_member): Moved from Archive.
638         (Should_include): Moved from archive.cc.
639         (Lib_group): New.
640         (Add_lib_group_symbols): New.
641         * dynobj.cc (do_should_include_member): New.
642         * dynobj.h (do_should_include_member): New.
643         * gold.cc (queue_initial_tasks): Update call to queue.
644         * main.cc (main): Print lib group stats.
645         * object.cc (do_should_include_member): New.
646         * object.h: Include archive.h.
647         (Object::should_include_member): New.
648         (Object::do_should_include_member): New.
649         (Sized_relobj::do_should_include_member): New.
650         * options.cc (General_options::parse_start_lib): New.
651         (General_options::parse_end_lib): New.
652         (Input_arguments::add_file): Handle lib groups.
653         (Input_arguments::start_group): Check we are not in a lib.
654         (Input_arguments::start_lib): New.
655         (Input_arguments::end_lib): New.
656         * options.h (General_options): Add start_lib and end_lib.
657         (Input_argument::lib_): New.
658         (Input_argument::lib): New.
659         (Input_argument::is_lib): New.
660         (Input_file_lib): New.
661         (Input_arguments::in_lib_): New.
662         (Input_arguments::in_lib): New.
663         (Input_arguments::start_lib): New.
664         (Input_arguments::end_lib_): New.
665         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
666         in unused members as preempted.
667         (Sized_pluginobj::do_should_include_member): New.
668         * plugin.h (Sized_pluginobj::do_should_include_member): New.
669         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
670         return the blocker.
671         (Read_symbols::do_whole_lib_group): New.
672         (Read_symbols::do_lib_group): New.
673         (Read_symbols::do_read_symbols): Handle lib groups.
674         (Read_symbols::get_name): Handle lib groups.
675         * readsyms.h (Read_symbols): Add an archive member pointer.
676         (Read_symbols::do_whole_lib_group): New.
677         (Read_symbols::do_lib_group): New.
678         (Read_symbols::member_): New.
679         * script.cc (read_input_script): Update call to queue_soon.
681 2010-03-19  Doug Kwan  <dougkwan@google.com>
683         * arm.cc (Stub_table::Stub_table): Initialize new data members
684         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
685         (Stub_table::add_reloc_stub): Assign stub offset and update
686         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
687         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
688         New data members.
689         (Stub_table::update_data_size_and_addralign): Use
690         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
691         instead of going over all reloc stubs.
692         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
693         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
694         Stringpool_template::offset_ to size of Stringpool_char.
695         (Stringpool_template::new_key_offset): Remove code to initialize
696         Stringpool_template::offset_.
697         * stringpool.h (Stringpool_template::set_no_zero_null): Set
698         Stringpool_template::offset_ to zero.
700 2010-03-15  Doug Kwan  <dougkwan@google.com>
702         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
703         offset_.
704         (Stringpool_template::new_key_offset): New method.
705         (Stringpool_template::add_string): Assign offsets when adding new
706         strings.
707         (Stringpool_template::set_string_offsets): Do not set string offsets
708         when not optimizing.
709         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
710         member size_.
711         (Chunked_vector::clear): Clear size_.
712         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
713         (Chunked_vector::size): Return size_.
714         (Chunked_vector::push_back): Use size_ to find insert position.
715         (Chunked_vector::size_): New data member. 
716         (Stringpool_template::set_no_zero_null): Assert string set is empty.
717         (Stringpool_template::new_key_offset): New method declaration.
718         (Stringpool_template::offset_): New data member.
720 2010-03-15   Rafael Espindola  <espindola@google.com>
722         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
723         Add_symbols' constructor.
724         * readsyms.h (Add_symbols): Remove the input_group member.
726 2010-03-10  Ian Lance Taylor  <iant@google.com>
728         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
729         target to ask whether a reference to a symbol requires a stack
730         split.
731         * target.h (Target::is_call_to_non_split): New function.
732         (Target::do_is_call_to_non_split): Declare virtual function.
733         * target.cc: Include "symtab.h".
734         (Target::do_is_call_to_non_split): New function.
735         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
737 2010-03-10  Cary Coutant  <ccoutant@google.com>
739         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
740         (File_read::open[1]): Remove initial mapping of whole_file_view_.
741         (File_read::open[2]): Add whole_file_view_ to list of views.
742         (File_read::make_view): Remove test of whole_file_view_.
743         (File_read::find_or_make_view): Create whole_file_view_ if
744         necessary.
745         (File_read::clear_views): Replace bool parameter with enum;
746         adjust all callers.  Don't delete views with permanent data;
747         do delete cached views and views from archives if
748         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
749         if clearing the corresponding view.
750         * fileread.h (File_read::Clear_views_mode): New enum.
751         (File_read::View::is_permanent_view): New method.
752         (File_read::clear_views): Replace bool parameter
753         with enum; adjust all callers.
754         * options.h (General_options): Change keep_files_mapped option;
755         add map_whole_files.
756         * readsyms.cc (Add_symbols::run): Delete sd_ object before
757         releasing the file.
758         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
759         the file.
761 2010-03-10  David S. Miller  <davem@davemloft.net>
763         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
765 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
767         * icf.cc (get_section_contents): Add '@' marker after processing the
768         merge reloc.
770 2010-03-08  Doug Kwan  <dougkwan@google.com>
772         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
773         due to a conversion warning.
774         (Arm_relobj::update_output_local_symbol_count): Check for local
775         symbol with unset output index.
777 2010-03-05  Ian Lance Taylor  <iant@google.com>
779         * options.h (class General_options): Add --spare-dynamic-tags.
780         * output.cc (Output_data_dynamic::set_final_data_size): Implement
781         --spare-dynamic-tags.
783 2010-03-05  Ian Lance Taylor  <iant@google.com>
785         * incremental.cc: Include "libiberty.h".
787 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
789         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
790         function, is_info_ member.
791         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
792         (Versions::Versions): Update caller.
793         (Versions::define_base_version): Likewise.
794         (Versions::add_def): Likewise.
796 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
798         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
799         (Scan::possible_function_pointer_reloc): New function.
800         (Scan::local_reloc_may_be_function_pointer): Change to call
801         possible_function_pointer_reloc.
802         (Scan::global_reloc_may_be_function_pointer): Ditto.
803         * icf.h (Icf::check_section_for_function_pointers): Change to reject
804         relocations in ".data.rel.ro._ZTV" section.
805         * testsuite/icf_safe_so_test.sh: Change to pass i386.
806         * testsuite/icf_safe_so_test.cc: Ditto.
807         * testsuite/icf_safe_test.cc: Ditto.
808         * testsuite/icf_safe_test.sh: Ditto.
810 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
811             Ian Lance Taylor  <iant@google.com>
813         * target-reloc.h (relocate_section): Check the symbol table index
814         for -1U before setting the local symbol index.
815         (scan_relocatable_relocs): If copying the relocation, record that
816         the local symbol is required.
817         * object.h (Symbol_value::is_output_symtab_index_set): New
818         function.
819         (Symbol_value::may_be_discarded_from_output_symtab): New
820         function.
821         (Symbol_value::has_output_symtab_entry): New function.
822         (Symbol_value::needs_output_symtab_entry): Remove.
823         (Symbol_value::output_symtab_index): Make sure the symbol index is
824         set.
825         (Symbol_value::set_output_symtab_index): Make sure the symbol
826         index is not set.  Make sure the new index is valid.
827         (Symbol_value::set_must_have_output_symtab_entry): New function.
828         (Symbol_value::has_output_dynsym_entry): New function.
829         (Symbol_value::set_output_dynsym_index): Make sure the new index
830         is valid.
831         (Sized_relobj::set_must_have_output_symtab_entry): New function.
832         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
833         local symbol if permitted.
834         (Sized_relobj::do_finalize_local_symbols): Call
835         is_output_symtab_index_set rather than needs_output_symtab_entry.
836         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
837         rather than needs_output_symtab_entry.  Call
838         has_output_dynsym_entry rather than needs_output_dynsym_entry.
839         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
840         is_output_symtab_index_set rather than needs_output_symtab_entry.
841         * testsuite/discard_locals_relocatable_test.c: New file.
842         * testsuite/discard_locals_test.sh: Test -r.
843         * testsuite/Makefile.am (check_DATA): Add
844         discard_locals_relocatable_test1.syms,
845         discard_local_relocatable_test2.syms.
846         (MOSTLYCLEANFILES): Likewise.  Also add
847         discard_locals_relocatable_test1.lout and
848         discard_locals_relocatable_test2.out.
849         (discard_locals_relocatable_test1.syms): New target.
850         (discard_locals_relocatable_test.o): New target.
851         (discard_locals_relocatable_test1.out): New target.
852         (discard_locals_relocatable_test2.syms): New target.
853         (discard_locals_relocatable_test2.out): New target.
854         (various): Add missing ../ld-new dependencies.
855         * testsuite/Makefile.in: Rebuild.
857 2010-03-03  Nick Clifton  <nickc@redhat.com>
859         * po/fi.po: New Finnish translation.
861 2010-03-01  Doug Kwan  <dougkwan@google.com>
863         * layout.cc (Layout::Layout): Force section types of .init_array*,
864         .preinit_array* and .fini_array* sections.
865         * output.cc (Output_section::Input_section_sort_entry::has_priority):
866         Fix check of return value of std::string::find.().
867         (Output_section::Input_section_sort_compare::operator()): Remove
868         comment about .init_array.
869         (Output_section::Input_section_sort_init_fini_compare::operator()):
870         New method.
871         (Output_section::sort_attached_input_sections): Handle .init_array
872         and .fini_array specially.
873         * output.h (Output_section::Inut_section_sort_compare): Update
874         comment.
875         (Output_section::Input_section_sort_init_fini_compare): New struct.
877 2010-02-26  Doug Kwan  <dougkwan@google.com>
879         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
880         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
881         * testsuite/debug_msg.sh: Avoid matching source line number for
882         use of global variable undef_int.
884 2010-02-26  Doug Kwan  <dougkwan@google.com>
886         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
887         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
888         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
889         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
890         * options.cc (General_options::General_options): Initialize member
891         fix_v4bx_.
892         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
893         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
894         and rm_no_fix_v4bx.stdout
895         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
896         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
897         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
898         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
899         and arm_no_fix_v4bx.
900         * Makefile.in: Regenerate.
901         * testsuite/arm_fix_v4bx.s: New file.
902         * testsuite/arm_fix_v4bx.sh: Ditto.
904 2010-02-24  Doug Kwan  <dougkwan@google.com>
906         * arm.cc (Target_arm::got_section): Make the .got section the first
907         non RELRO section in the data segment.
908         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
909         suffixes of section names.
911 2010-02-24  Doug Kwan  <dougkwan@google.com>
913         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
914         flags and attributes merging if an input file is a binary file.
915         * fileread.cc (Input_file::open): Record format of original file.
916         * fileread.h (Input_file::Format): New enum type.
917         (Input_file::Input_file): Initialize data member format_.
918         (Input_file::format): New method definition.
919         (Input_file::format_):: New data member.
921 2010-02-24  Doug Kwan  <dougkwan@google.com>
923         * arm.cc (Arm_output_data_got): New class.
924         (ARM_TCB_SIZE): New constant
925         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
926         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
927         If user uses a script with a SECTIONS clause, issue only a warning
928         for a misplaced EXIDX input section.  Otherwise, issue an error.
929         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
930         garbage collection.
931         (Target_arm::got_mode_index_entry): Handle static linking.
932         (Target_arm::Scan::local): Ditto.
933         (Target_arm::Scan::global): Ditto.
934         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
935         all incorrectly implemented relocations.
936         (Target_arm::fix_exidx_coverage): Pass layout to 
937         Arm_output_section::fix_exidx_coverage.
938         * layout.cc (Layout::section_name_mapping): Remove trailing dots
939         from ".ARM.exidx." and ".ARM.extab.".
941 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
943         * arm.cc (Target_arm::do_finalize_sections): Create attribute
944         section if it does not already exist.
945         * attributes.cc (Attributes_section_data::Attributes_section_data):
946         Don't crash if size is zero.
948 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
949             Ian Lance Taylor  <iant@google.com>
951         * gold.cc (queue_middle_tasks): If no input files were opened,
952         exit.
953         * workqueue.h (Task_function::Task_function): Assert that there is
954         a blocker.
956 2010-02-22  Doug Kwan  <dougkwan@google.com>
958         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
959         * icf.cc (get_section_contents): Cast snprintf arguments to long long
960         types to avoid warnings due to different uint64_t implementations
961         on different hosts.
963 2010-02-21  Doug Kwan  <dougkwan@google.com>
965         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
966         handling of the maximum backward branch offset.
967         (Arm_relocate_functions::thumb_branch_common): Ditto.
968         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
969         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
970         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout, 
971         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
972         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
973         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
974         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
975         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
976         thumb_bl_out_of_range thumb_bl_out_of_range.o,
977         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
978         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
979         thumb2_bl_out_of_range.o): New rules.
980         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
981         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
982         thumb2_bl_out_of_range
983         * testsuite/Makefile.in: Regenerate.
984         * testsuite/arm_bl_in_range.s: New file.
985         * testsuite/arm_bl_out_of_range.s: Ditto.
986         * testsuite/arm_branch_in_range.sh: Ditto.
987         * testsuite/arm_branch_range.t: Ditto.
988         * testsuite/thumb2_branch_range.t: Ditto.
989         * testsuite/thumb_bl_in_range.s: Ditto.
990         * testsuite/thumb_bl_out_of_range.s: Ditto.
991         * testsuite/thumb_branch_range.t: Ditto.
993 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
995         * gc.h (gc_process_relocs): Change vectors to point to the new list.
996         Add reloc offset information.
997         * icf.cc (get_section_contents): Change iterators to point to the new
998         vectors. Add reloc offset information to the contents.
999         * icf.h (Icf::Sections_reachable_info): New typedef.
1000         (Icf::Sections_reachable_list): New typedef.
1001         (Icf::Offset_info): New typedef.
1002         (Icf::Reloc_info): New struct typedef.
1003         (Icf::Reloc_info_list): New typedef.
1004         (Icf::symbol_reloc_list): Delete method.
1005         (Icf::addend_reloc_list): Delete method.
1006         (Icf::section_reloc_list): Delete method.
1007         (Icf::reloc_info_list): New method.
1008         (Icf::reloc_info_list_): New member.
1010 2010-02-19  Doug Kwan  <dougkwan@google.com>
1012         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1013         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1014         * arm.cc (Arm_relocation_functions): New forward declaration.
1015         (Target_arm::Target_arm): Initialize new data members
1016         got_mod_index_offset_ and tls_base_symbol_defined_.
1017         (Target_arm::Relocate::relocate_tls): New method.
1018         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1019          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1020         New methods.
1021         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1022         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1023         (Target_arm::got_mod_index_offset_,
1024         Target_arm::tls_base_symbol_defined_): New data members.
1025         (Target_arm::Scan::local, Target::Scan::global,
1026         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1027         relocations.
1029 2010-02-18  Doug Kwan  <dougkwan@google.com>
1031         * arm.cc (Arm_relobj::find_linked_text_section): New method.
1032         (Arm_relobj::make_exidx_input_section): Pass section index of linked
1033         text section as a parameter becuase some broken tools may not set
1034         the link in section header.
1035         (Target_arm::has_got_section): New method.
1036         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1037         without any mapping symbol as data only.  Remove warning.
1038         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1039         link in its section header, try to discover the link by inspecting the
1040         REL31 relocation at the beginning of the section.
1041         (Target_arm::Scan::check_non_pic): Report name of offending relocation
1042         in error message.
1043         (Target_arm::Scan::global): Treat any reference to the symbol
1044         _GLOBAL_OFFSET_TABLE_ as a GOT access.
1046 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
1048         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1049         (Scan::global_reloc_may_be_function_pointer): New function.
1050         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1051         (Scan::global_reloc_may_be_function_pointer): New function.
1052         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1053         (Scan::global_reloc_may_be_function_pointer): New function.
1054         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1055         (Scan::global_reloc_may_be_function_pointer): New function.
1056         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1057         (Scan::global_reloc_may_be_function_pointer): New function.
1058         (Scan::possible_function_pointer_reloc): New function.
1059         (Target_x86_64::can_check_for_function_pointers): New function.
1060         * gc.h (gc_process_relocs): Scan relocation types to determine if
1061         function pointers were taken for targets that support it.
1062         * icf.cc (Icf::find_identical_sections): Include functions for
1063         folding in safe ICF whose pointer is not taken.
1064         * icf.h (Secn_fptr_taken_set): New typedef.
1065         (fptr_section_id_): New member.
1066         (section_has_function_pointers): New function.
1067         (set_section_has_function_pointers): New function.
1068         (check_section_for_function_pointers): New function.
1069         * options.h: Fix comment for safe ICF option.
1070         * target.h (can_check_for_function_pointers): New function.
1071         * testsuite/Makefile.am: Add icf_safe_so_test test case.
1072         Modify icf_safe_test for X86-64.
1073         * testsuite/Makefile.in: Regenerate.
1074         * testsuite/icf_safe_so_test.cc: New file.
1075         * testsuite/icf_safe_so_test.sh: New file.
1076         * testsuite/icf_safe_test.cc (kept_func_3): New function.
1077         (main): Change to take pointer to function kept_func_3.
1078         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1079         folding is done correctly for X86-64.
1081 2010-02-12  David S. Miller  <davem@davemloft.net>
1083         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1084         is_symbolless parameter.
1085         (Output_reloc<SHT_REL>::is_symbolless): New.
1086         (Output_reloc<SHT_REL>::is_symbolless_): New.
1087         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1088         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1089         (Output_reloc<SHT_RELA>::is_symbolless): New.
1090         (Output_data_reloc::add_global): Handle is_symbolless.
1091         (Output_data_reloc::add_global_relative): Likewise.
1092         (Output_data_reloc::add_local): Likewise.
1093         (Output_data_reloc::add_local_relative): Likewise.
1094         (Output_data_reloc::add_symbolless_global_addend): New.
1095         (Output_data_reloc::add_symbolless_local_addend): New.
1096         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1097         is_symbolless.
1098         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1099         instead of ->is_relative_
1100         (Output_reloc::write): Likewise.
1101         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1102         (Output_reloc::write_rel): Simplify.
1104         * sparc.cc (Target_sparc::Scan::local): Use
1105         ->add_symbolless_local_addend as needed.
1106         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1107         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
1108         based upon relocation offset.
1110 2010-02-11  Doug Kwan  <dougkwan@google.com>
1112         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1113         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
1114         beginning of function.
1115         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1116         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
1117         parameter is_32bit in calls to should_apply_static_reloc.
1118         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1119         (check_DATA): Add arm_abs_global.stdout.
1120         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1121         arm_abs_global.stdout): New rules.
1122         (MOSTLLYCLEANFILES): Add arm_abs_global
1123         * Makefile.in: Regenerate.
1124         * testsuite/arm_abs_global.s: New file.
1125         * testsuite/arm_abs_global.sh: Ditto.
1126         * testsuite/arm_abs_lib.s: Ditto.
1128 2010-02-11  Ian Lance Taylor  <iant@google.com>
1130         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1131         Read_relocs task.
1132         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
1133         Allocate_commons_task first.
1134         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1135         task, rather than symtab_lock_.
1136         (Gc_process_relocs::~Gc_process_relocs): New function.
1137         (Gc_process_relocs::is_runnable): Check this_blocker_.
1138         (Gc_process_relocs::locks): Use next_blocker_ rather than
1139         blocker_.
1140         (Scan_relocs::~Scan_relocs): New function.
1141         (Scan_relocs::is_runnable): Check this_blocker_ rather than
1142         symtab_lock_.
1143         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
1144         next_blocker_.
1145         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1146         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
1147         constructor accordingly.
1148         (class Gc_process_relocs): Likewise.
1149         (class Scan_relocs): Likewise.
1150         * common.h (class Allocate_commons_task): Remove symtab_lock_
1151         field, and corresponding constructor parameter.
1152         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1153         symtab_lock_.
1154         (Allocate_commons_task::locks): Likewise.
1156 2010-02-11  Ian Lance Taylor  <iant@google.com>
1158         * gold-threads.h (class Once): Define.
1159         (class Initialize_lock): Rewrite as child of Once.
1160         * gold-threads.cc (class Once_initialize): Define.
1161         (once_pointer_control): New static variable.
1162         (once_pointer, once_arg): New static variables.
1163         (c_run_once): New static function.
1164         (Once::Once, Once::run_once, Once::internal_run): New functions.
1165         (class Initialize_lock_once): Remove.
1166         (initialize_lock_control): Remove.
1167         (initialize_lock_pointer): Remove.
1168         (initialize_lock_once): Remove.
1169         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1170         (Initialize_lock::initialize): Rewrite.
1171         (Initialize_lock::do_run_once): New function.
1172         * archive.cc (Archive::interpret_header): Only clear name if it is
1173         not already empty.
1174         * fileread.cc: Include "gold-threads.h"
1175         (file_counts_lock): New static variable.
1176         (file_counts_initialize_lock): Likewise.
1177         (File_read::release): Only increment counts when using --stats.
1178         Use a lock around the increment.
1179         * parameters.cc (class Set_parameters_target_once): Define.
1180         (set_parameters_target_once): New static variable.
1181         (Parameters::Parameters): Move here from parameters.h.
1182         (Parameters::set_target): Rewrite.
1183         (Parameters::set_target_once): New function.
1184         (Parameters::clear_target): Move here and rewrite.
1185         * parameters.h (class Parameters): Update declarations.  Add
1186         set_parameters_target_once_ field.
1187         (Parameters::Parameters): Move to parameters.cc.
1188         (Parameters::clear_target): Likewise.
1189         * readsyms.cc (Read_symbols::do_group): Create a Start_group
1190         task.
1191         (Start_group::~Start_group): New function.
1192         (Start_group::is_runnable): New function.
1193         (Start_group::locks, Start_group::run): New functions.
1194         (Finish_group::run): Change saw_undefined to size_t.
1195         * readsyms.h (class Start_group): Define.
1196         (class Finish_group): Change saw_undefined_ field to size_t.
1197         (Finish_group::Finish_group): Remove saw_undefined and
1198         this_blocker parameters.  Change all callers.
1199         (Finish_group::set_saw_undefined): New function.
1200         (Finish_group::set_blocker): New function.
1201         * symtab.h (class Symbol_table): Change saw_undefined to return
1202         size_t.  Change saw_undefined_ field to size_t.
1203         * target-select.cc (Set_target_once::do_run_once): New function.
1204         (Target_selector::Target_selector): Initialize set_target_once_
1205         field.  Don't initialize lock_ and initialize_lock_ fields.
1206         (Target_selector::instantiate_target): Rewrite.
1207         (Target_selector::set_target): New function.
1208         * target-select.h (class Set_target_once): Define.
1209         (class Target_selector): Update declarations.  Make
1210         Set_target_once a friend.  Remove lock_ and initialize_lock_
1211         fields.  Add set_target_once_ field.
1213 2010-02-10  Ian Lance Taylor  <iant@google.com>
1215         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1216         queueing any tasks.
1217         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
1218         (queue_middle_tasks): Add all blockers before queueing any tasks.
1219         (queue_final_tasks): Likewise.
1220         * token.h (Task_token::add_blockers): New function.
1221         * object.h (Input_objects::number_of_relobjs): New function.
1223 2010-02-10  Ian Lance Taylor  <iant@google.com>
1225         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1226         shared, not if not position independent.
1227         * x86_64.cc (Relocate::relocate_tls): Likewise.
1228         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1229         (tls_pie_pic_test): New target.
1230         * testsuite/Makefile.in: Rebuild.
1232         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1233         (tls_test_main_pie.o, tls_test_pie.o): New targets.
1234         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1235         * testsuite/Makefile.in: Rebuild.
1237 2010-02-09  David S. Miller  <davem@davemloft.net>
1239         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1240         R_SPARC_RELATIVE using ->add_local_relative().
1241         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1243         * output.h (Output_data_dynamic::add_section_size): New method
1244         that takes two Output_data objects.
1245         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1246         entry param.  Handle it in initializers.
1247         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1248         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1249         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1250         arg.
1251         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1252         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1253         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1254         for dynrel_includes_plt.
1255         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1256         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1257         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1258         before .rela.plt
1259         (Target_sparc::do_finalize_sections): Update to pass true for
1260         dynrel_includes_plt.
1261         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1262         output before .rela.plt
1263         (Target_powerpc::do_finalize_sections): Update to pass true for
1264         dynrel_includes_plt when 32-bit.
1266 2010-02-08  Doug Kwan  <dougkwan@google.com>
1268         * arm.cc (Arm_relobj::simple_input_section_output_address): New
1269         method.
1270         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1271         Arm_relobj::scan_section_for_cortex_a8_stubs,
1272         Arm_relobj::do_relocation_section): Instead of calling
1273         Output_section::output_address, use faster
1274         Arm_relobj::simple_input_section_output_address.
1276 2010-02-08  David S. Miller  <davem@davemloft.net>
1278         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1279         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1280         relocation helper function.
1282         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1283         just like R_SPARC_GOT{10,13,22}.
1284         (Target_sparc::Scan::local): Likewise.
1285         (Target_sparc::Relocate:relocate): Likewise.
1287 2010-02-06  Ian Lance Taylor  <iant@google.com>
1289         * configure.ac: Rewrite targetobjs duplicate removal code to use
1290         only shell constructs.
1291         * configure: Rebuild.
1293 2010-02-05  Doug Kwan  <dougkwan@google.com>
1295         PR 11247
1296         * arm.cc (Arm_relobj::section_is_scannable): New method.
1297         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1298         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1300 2010-02-04  Doug Kwan  <dougkwan@google.com>
1302         PR 11247
1303         * arm-reloc-property.cc (cstdio): Include.
1304         * configure.ac (targetobjs): Remove duplicates.
1305         * configure: Regenerate.
1306         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1307         big and little endian version for a given address size.
1309 2010-02-03  Doug Kwan  <dougkwan@google.com>
1311         * arm-reloc-property.cc
1312         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1313         definition.
1314         * arm-reloc-property.h
1315         (Arm_reloc_property_table::get_implemented_static_reloc_property):
1316         New method definition.
1317         (Arm_reloc_property_table::reloc_name_in_error_message): New method
1318         declaration.
1319         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1320         overflow to N.
1321         (GOT_PREL): Change implemented to Y.
1322         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1323         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1324         (Arm_relocate_functions::movw_abs_nc): Remove method.
1325         (Arm_relocate_functions::movt_abs): Ditto.
1326         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1327         (Arm_relocate_functions::thm_movt_abs): Ditto.
1328         (Arm_relocate_functions::movw_rel_nc): Ditto.
1329         (Arm_relocate_functions::movw_rel): Ditto.
1330         (Arm_relocate_functions::movt_rel): Ditto.
1331         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1332         (Arm_relocate_functions:thm_movw_rel): Ditto.
1333         (Arm_relocate_functions:thm_movt_rel): Ditto.
1334         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1335         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1336         New method definitions.
1337         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1338         (Arm_relocation_functions::arm_grp_ldr): Ditto.
1339         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1340         (Arm_relocation_functions::arm_grp_ldc): Ditto.
1341         (Target_arm::Relocate::relocate): Check for non-static or
1342         unimplemented relocation code and exit early.  Change calls to
1343         Target_arm::reloc_uses_thumb_bit and
1344         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1345         instead.  Refactor code to handle similar relocations to increase
1346         code sharing.  Remove check for unsupported relocation code in switch
1347         statement.
1348         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1349         relocation property table to find out size.  Change error message to
1350         print out the name of a relocation code instead of the numeric value.
1351         (Target_arm::scan_reloc_for_stub): Use relocation property table
1352         instead of calling Target_arm::reloc_uses_thumb_bit().
1354 2010-02-02  Doug Kwan  <dougkwan@google.com>
1356         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1357         types of relaxed input section.
1359 2010-02-02  Doug Kwan  <dougkwan@google.com>
1361         * Makefile.am (HFILES): Add arm-reloc-property.h.
1362         (DEFFILES): New.
1363         (TARGETSOURCES): Add arm-reloc-property.cc
1364         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1365         (libgold_a_SOURCES): $(DEFFILES)
1366         * Makefile.in: Regenerate.
1367         * arm-reloc-property.cc: New file.
1368         * arm-reloc-property.h: New file.
1369         * arm-reloc.def: New file.
1370         * arm.cc: Update comments.
1371         (arm-reloc-property.h): New included header.
1372         (arm_reloc_property_table): New global variable.
1373         (Target_arm::do_select_as_default_target): New method definition.
1374         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1375         arm-reloc-property to targ_extra_obj.
1376         * parameters.cc (set_parameters_target): Call
1377         Target::select_as_default_target().
1378         * target.h (Target::select_as_default_target): New method definition.
1379         (Target::do_select_as_default_target): Same.
1381 2010-02-01  Doug Kwan  <dougkwan@google.com>
1383         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1384         first_output_text_section_.
1385         (Arm_exidx_fixup::first_output_text_section): New method definition.
1386         (Arm_exidx_fixup::first_output_text_section_): New data member.
1387         (Arm_exidx_fixup::process_exidx_section): Record the first text
1388         output section seen.
1389         (Arm_output_section::fix_exidx_coverage): Set correct linked section
1390         and entsize in output section header.
1392 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1394         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1395         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1396         (Arm_relocate_functions::thm_alu11): New Method.
1397         (Arm_relocate_functions::thm_pc8): New Method.
1398         (Arm_relocate_functions::thm_pc12): New Method.
1399         (Target_arm::Scan::local): Handle the relocations.
1400         (Target_arm::Scan::global): Likewise.
1401         (Target_arm::Relocate::relocate): Likewise.
1402         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1404 2010-01-29  Doug Kwan  <dougkwan@google.com>
1406         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1407         of relocation types as ld.
1409 2010-01-29  Doug Kwan  <dougkwan@google.com>
1411         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1412         to public.
1413         (Arm_relocate_functions::thumb_branch_common): Ditto.
1414         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1415         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1416         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1417         Arm_relocate_functions::jump24): Remove.
1418         (Target_arm::Relocate::relocate): Adjust code to call
1419         Arm_relocation_functions::arm_branch_common and
1420         Arm_relocation_functions::thumb_branch_common instead of their removed
1421         wrappers.  Merge switch-cases together to reduce source code size.  
1423 2010-01-29  Doug Kwan  <dougkwan@google.com>
1425         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1426         output_local_symbol_count_needs_update_.
1427         (Arm_relobj::output_local_symbol_count_needs_update,
1428          Arm_relobj::set_output_local_symbol_count_needs_update,
1429          Arm_relobj::update_output_local_symbol_count): New methods.
1430         (Arm_relobj::output_local_symbol_count_needs_update_): New data
1431         member.
1432         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1433         of pointed function as in a R_ARM_PREL31 relocation.
1434         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1435         for output local symbol count updating.
1436         (Target_arm::do_relax): Update output local symbol counts in objects
1437         if necessary.
1438         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1440 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1442         * arm.cc: Added support for the ARM relocations:
1443         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1444         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1445         (Arm_relocate_functions::movw_rel_nc): Renamed (was
1446         movw_prel_nc).
1447         (Arm_relocate_functions::movw_rel): New method.
1448         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1449         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1450         thm_movw_prel_nc).
1451         (Arm_relocate_functions::thm_movw_rel): New method.
1452         (Arm_relocate_functions::thm_movt_rel): Renamed (was
1453         thm_movt_prel).
1454         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1455         relocations.
1456         (Target_arm::Scan::global): Likewise.
1457         (Target_arm::Relocate::relocate): Likewise.
1458         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1459         Likewise.
1461 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1463         * arm.cc: Added support for ARM group relocations.
1464         (Target_arm::reloc_needs_sym_origin): New method.
1465         (Arm_relocate_functions::calc_grp_kn): New method.
1466         (Arm_relocate_functions::calc_grp_residual): New method.
1467         (Arm_relocate_functions::calc_grp_gn): New method.
1468         (Arm_relocate_functions::arm_grp_alu): New Method.
1469         (Arm_relocate_functions::arm_grp_ldr): New Method.
1470         (Arm_relocate_functions::arm_grp_ldrs): New Method.
1471         (Arm_relocate_functions::arm_grp_ldc): New Method.
1472         (Target_arm::Scan::local): Handle the ARM group relocations.
1473         (Target_arm::Scan::global): Likewise.
1474         (Target_arm::Relocate::relocate): Likewise.
1475         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1476         Likewise.
1478 2010-01-26  Doug Kwan  <dougkwan@google.com>
1480         * arm.cc (set): Include.
1481         (class Arm_exidx_fixup): Change type of last_input_section_ to const
1482         pointer type.
1483         (Arm_output_section::Text_section_list): New type.
1484         (Arm_output_section::append_text_sections_to_list): New method.
1485         (Arm_output_section::fix_exidx_coverage): Ditto.
1486         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1487         (Arm_relobj::convert_input_section_to_relaxed_section): Use
1488         Relobj::set_section_offset() instead of
1489         Sized_relobj::invalidate_section_offset().
1490         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1491         parameter for section headers. Ignore relocation sections for
1492         unallocated sections and EXIDX sections.
1493         (Target_arm::fix_exidx_coverage): New method.
1494         (Target_arm::output_section_address_less_than): New type.
1495         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1496         linked text section instead of the EXIDX section.
1497         (Arm_output_section::create_stub_group): Add an assertion to check
1498         that this is not an EXIDX output section.
1499         (Arm_output_section::append_text_sections_to_list): New method.
1500         (Arm_output_section::fix_exidx_coverage): Ditto.
1501         (Arm_relobj::scan_sections_for_stubs): Adjust call to
1502         Arm_relobj::section_needs_reloc_stub_scanning.
1503         (Target_arm::do_relax): Fix EXIDX output section coverage in the
1504         first pass.
1505         (Target_arm::fix_exidx_coverage): New method.
1506         * object.h (Relobj::set_output_section): New method.
1507         (Sized_relobj::invalidate_section_offset): Remove method.
1508         (Sized_relobj::do_invalidate_section_offset): Remove method.
1509         (Sized_relobj::do_set_section_offset): Handle offset value -1.
1511 2010-01-25  Doug Kwan  <dougkwan@google.com>
1513         * arm.cc (Arm_exidx_merged_section::do_output_offset):
1514         Fix warning due to signed and unsigned comparison on a 32-bit host.
1516 2010-01-22  Doug Kwan  <dougkwan@google.com>
1518         * arm.cc (Target_arm::do_relax): Record an output section for section
1519         offset adjustment it contains any stub table that has changed.
1520         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1521         offsets in an output section if necessary.
1522         * output.cc (Output_section::Output_section): Initialize
1523         section_offsets_need_adjustments_.
1524         (Output_section::add_input_section_for_script): Renamed to
1525         Output_section::add_simple_input_section.
1526         (Output_section::save_states): Add a comment.
1527         (Output_section::discard_states): New method defintion.
1528         (Output_section::adjust_section_offsets): Same.
1529         * output.h (Output_section::add_input_section_for_script): Renamed to
1530         Output_section::add_simple_input_section.
1531         (Output_section::discard_states): New method declaration.
1532         (Output_section::adjust_section_offsets): Same.
1533         (Output_section::section_offsets_need_adjustment,
1534         Output_section::set_section_offsets_need_adjustment): New method
1535         definitions.
1536         (Output_section::section_offsets_need_adjustment_): New data member.
1537         * script-sections.cc
1538         (Output_section_element_input::set_section_address): Adjust code for
1539         renaming of Output_section::add_input_section_for_script.
1540         (Orphan_output_section::set_section_address): Same.
1542 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1544         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1545         Fix_v4bx enum values .
1546         * gold/options.h (General_options): New option definitions.
1547         (General_options::fix_v4bx): New method.
1548         (General_options::Fix_v4bx): New enum.
1549         * gold/options.cc (General_options::parse_fix_v4bx): New method.
1550         (General_options::parse_fix_v4bx_interworking): New method.
1552 2010-01-22  Doug Kwan  <dougkwan@google.com>
1554         * arm.cc (Arm_exidx_fixup): New class.
1556 2010-01-21  Doug Kwan  <dougkwan@google.com>
1558         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1559         classes.
1560         (Arm_exidx_section_offset_map): New type.
1562 2010-01-21  Doug Kwan  <dougkwan@google.com>
1564         * arm.cc (Arm_exidx_input_section): New class.
1565         (Arm_relobj::exidx_input_section_by_link,
1566         Arm_relobj::exidx_input_section_by_shndx,
1567         Arm_relobj::make_exidx_input_section): New methods.
1568         (read_arm_attributes_section): Remove.
1569         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1570         information about them.
1571         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1572         to here.
1574 2010-01-20  Doug Kwan  <dougkwan@google.com>
1576         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1577         Input_section_specifier to Section_id.
1578         (Target_arm::new_arm_input_section: Adjust code for change of key
1579         type.
1580         (Target_arm::find_arm_input_section): Ditto.
1581         * gc.h (object.h): Include for Section_id nand Section_id_hash.
1582         (Section_id): Remove.
1583         (Garbage_collection::Section_id_hash): Remove.
1584         * icf.h (object.h): Include for Section_id nand Section_id_hash.
1585         (Section_id): Remove.
1586         (Icf::Section_id_hash): Remove.
1587         * object.h (Section_id, Const_section_id, Section_id_hash,
1588         Const_section_id_hash): New type definitions.
1589         * output.cc (Output_section::add_relaxed_input_section): Change to
1590         use Const_section_id instead of Input_section_specifier as key type.
1591         (Output_section::add_merge_input_section): Ditto.
1592         (Output_section::build_relaxation_map): Change to use Section_id
1593         instead of Input_section_specifier as key type.
1594         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1595         Ditto.
1596         (Output_section::convert_input_sections_to_relaxed_sections): Change
1597         to use Const_section_id instead of Input_section_specifier as key type.
1598         (Output_section::find_merge_section): Ditto.
1599         (Output_section::find_relaxed_input_section): Ditto.
1600         * output.h (Input_section_specifier): Remove class.
1601         (Output_section::Output_section_data_by_input_section_map): Change
1602         key type to Const_section_id.
1603         (Output_section::Output_relaxed_input_section_by_input_section_map):
1604         Ditto.
1605         (Output_section::Relaxation_map): Change key type to Section_id.
1607 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1609         * gold/arm.cc: Added support for R_ARM_V4BX relocation
1610         (class Arm_v4bx_stub): New class.
1611         (DEF_STUBS): Updated definition to support v4_veneer_bx.
1612         (Stub_factory::make_arm_v4bx_stub): New method.
1613         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1614         (Stub_table::empty): Handle v4bx stubs.
1615         (Stub_table::add_arm_v4bx_stub): New method.
1616         (Stub_table::find_arm_v4bx_stub): New method.
1617         (Arm_relocate_functions::v4bx): New method.
1618         (Target_arm::fix_v4bx): New method.
1619         (Target_arm::Target_arm): Handle R_ARM_V4BX.
1620         (Stub_table::relocate_stubs): Likewise.
1621         (Stub_table::do_write): Likewise.
1622         (Stub_table::update_data_size_and_addralign): Likewise.
1623         (Stub_table::finalize_stubs):  Likewise.
1624         (Target_arm::Scan::local): Likewise.
1625         (Target_arm::Scan::global): Likewise.
1626         (Target_arm::do_finalize_sections): Likewise.
1627         (Target_arm::Relocate::relocate): Likewise.
1628         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1629         Likewise.
1630         (Target_arm::scan_reloc_for_stub): Likewise.
1631         (Target_arm::scan_reloc_section_for_stubs): Likewise.
1633 2010-01-19  Ian Lance Taylor  <iant@google.com>
1635         * output.cc (Output_section_headers::do_sized_write): Write large
1636         segment count to sh_info field.
1637         (Output_file_header::do_sized_write): For large segment count,
1638         write PN_XNUM to e_phnum field.
1640 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1642         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1643         (Arm_relocate_functions::thm_jump8): New function.
1644         (Arm_relocate_functions::thm_jump11): New function.
1645         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1646         R_ARM_THM_JUMP11.
1647         (Target_arm::Scan::global): Likewise.
1648         (Target_arm::Relocate::relocate): Likewise.
1649         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1650         Likewise.
1652 2010-01-14  Doug Kwan  <dougkwan@google.com>
1654         * arm.cc (map, utility): Include headers.
1655         (Target_arm::apply_cortex_a8_workaround): New method.
1656         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1657         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1658         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1659         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1660         the --[no-]fix-cortex-a8 command line options.
1661         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1662         (Target_arm::relocate_stub): Use addend in instruction template.
1663         * options.h (DEFINE_bool): Set the user-set flag.
1664         (General_options): Add --[no-]-fix-cortex options.
1665         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1666         : Update fast look-up map after conversion. 
1668 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
1670         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1671         in the first pass of do_layout.
1673 2010-01-13  Doug Kwan  <dougkwan@google.com>
1675         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1676         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1677         apparent compiler problem of not folding static constant integral
1678         data members of elfcpp::Elf_sizes<32>.
1680 2010-01-13  Doug Kwan  <dougkwan@google.com>
1682         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1683         Arm_relobj::section_needs_cortex_a8_stub_scanning,
1684         Arm_relobj::scan_section_for_cortex_a8_erratum,
1685         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1686         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1687         sections to scan for relocation stubs into a new method
1688         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
1689         relocation and Cortex-A8 stub scanning.
1690         (Target_arm::do_relax): Force stubs to be after stubbed sections
1691         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
1692         the beginning of a new relaxation pass.  Update a comment. 
1693         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1695 2010-01-12  Ian Lance Taylor  <iant@google.com>
1697         * target-reloc.h (visibility_error): New inline function.
1698         (relocate_section): Call visibility_error.
1699         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1700         (MOSTLYCLEANFILES): Likewise.
1701         (protected_4_pic.o, protected_3.err): New targets.
1702         * testsuite/protected_4.cc: New file.
1704 2010-01-12  Doug Kwan  <dougkwan@google.com>
1706         * arm.cc (Cortex_a8_reloc): New class.
1707         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1708         and cortex_a8_relocs_info_.
1709         (Target_arm::fix_cortex_a8): New method definition.
1710         (Target_arm::Cortex_a8_relocs_info): New type.
1711         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1712         New data member declarations.
1713         (Target_arm::scan_reloc_for_stub): Record information about
1714         relocations for THUMB branches that might be exempted from the
1715         Cortex-A8 workaround.
1716         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1717         at the beginning of a relaxation pass.
1719 2010-01-12  Doug Kwan  <dougkwan@google.com>
1721         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1722         (Arm_relobj::Mapping_symbol_position,
1723          Arm_reloj::Mapping_symbol_position_less,
1724          Arm_relobj::Mapping_symbols_info): New types.
1725         (Target_arm::is_mapping_symbol_name): New method definition.
1726         (Arm_relobj::do_count_local_symbols): Save information about mapping
1727         symbols.
1729 2010-01-11  Doug Kwan  <dougkwan@google.com>
1731         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1732         Arm_relocate_functions::thumb32_branch_upper,
1733         Arm_relocate_functions::thumb32_branch_lower,
1734         Arm_relocate_functions::thumb32_cond_branch_offset,
1735         Arm_relocate_functions::thumb32_cond_branch_upper,
1736         Arm_relocate_functions::thumb32_cond_branch_lower,
1737         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1738         branch offset encoding.
1739         (Arm_relocate_functions::thumb_branch_common): Use new branch
1740         offset encoding methods to avoid code duplication.
1741         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1742         (Stub_addend_reader::operator()): Use new branch encoding method
1743         to avoid code duplication.
1745 2010-01-11  Doug Kwan  <dougkwan@google.com>
1747         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1748         (Target_arm::do_finalize_sections): Define special EXIDX section
1749         symbols only if referenced.
1750         * gc.h (Garbage_collection::add_reference): New method.
1751         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1752         code duplication.
1754 2010-01-11  Ian Lance Taylor  <iant@google.com>
1756         * script.cc (Version_script_info::build_expression_list_lookup):
1757         Change complaing about duplicate wildcard match from error to
1758         warning.
1760         * script.cc (class Lazy_demangler): Recreate--revert part of patch
1761         of 2009-12-30.
1762         (Version_script_info::Version_script_info): Initialize globs_,
1763         default_version_, default_is_global_, and exact_.  Don't
1764         initialize globals_ or locals_.
1765         (Version_script_info::build_lookup_tables): Build local symbols
1766         first.
1767         (Version_script_info::unquote): New function.
1768         (Version_script_info::add_exact_match): New function.
1769         (Version_script_info::build_expression_list_lookup): Remove lookup
1770         parameter.  Add is_global parameter.  Change all callers.  Handle
1771         wildcard pattern specially.  Unquote pattern.  Call
1772         add_exact_match.
1773         (Version_script_info::get_name_to_match): New function.
1774         (Version_script_info::get_symbol_version): New function.
1775         (Version_script_info::get_symbol_version_helper): Remove.
1776         (Version_script_info::check_unmatched_names): Call unquote.
1777         * script.h (class Version_script_info): Change get_symbol_version
1778         to be non-inline and add is_global parameter; change all callers.
1779         Rewrite symbol_is_local.  Update declarations.  Define struct
1780         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
1781         Remove globals_ and locals_ members.  Add exact_, globs_,
1782         default_version_, is_global_.
1783         (Version_script_info::Glob): Remove pattern, add expression and
1784         is_global.  Update constructor.  Change all callers.
1785         * dynobj.cc (Versions::finalize): Mark the version symbol as the
1786         default version.
1787         (Versions::symbol_section_contents): If a symbol is undefined, or
1788         defined in a dynamic object, set the version index to
1789         VER_NDX_LOCAL.
1790         * symtab.cc (Symbol_table::add_from_relobj): Don't call
1791         symbol_is_local.
1792         (Symbol_table::add_from_pluginobj): Likewise.
1793         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1795 2010-01-11  Doug Kwan  <dougkwan@google.com>
1797         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1798         (incremental_dump_LDADD): Add linking option for libintl.
1799         * Makefile.in: Regenerate.
1801 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
1803         PR gold/11144
1804         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1805         instead of -Ds.
1806         * testsuite/Makefile.in: Regenerated.
1808 2010-01-10  Doug Kwan  <dougkwan@google.com>
1810         * options.h (DEFINE_var): Use parentheses around argument varname__
1811         in macro body to avoid any unintended subsequent substitutions.
1813 2010-01-10  Ian Lance Taylor  <iant@google.com>
1815         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1816         candidates before doing symbol resolution.
1818         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1819         ODR candidates if only one is weak.
1821 2010-01-08  Ian Lance Taylor  <iant@google.com>
1823         * script.cc (Version_script_info::build_expression_list_lookup):
1824         Don't warn about ambiguous version, just record the ambiguity.
1825         (Version_script_info::get_symbol_version_helper): Give error if
1826         version is ambiguous.
1828 2010-01-08  Doug Kwan  <dougkwan@google.com>
1830         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1831           prev_data_size_ and prev_addralign_.  Remove initializer for
1832           deleted data member has_been_changed_.
1833           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1834           to determine if the table is empty.
1835           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1836           Remove.
1837           (Stub_table::add_reloc_stub): Define method in class definition
1838           instead of just declaring it there.
1839           (Stub_table::add_cortex_a8_stub): New method definition.
1840           (Stub_table::update_data_size_and_addralign): Ditto.
1841           (Stub_table::finalize_stubs): Ditto.
1842           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1843           (Stub_table::do_addralign_): Return address alignment in the
1844           (Stub_table::do_reset_address_and_file_offset): Define method in
1845           class definition instead of declaring it there.  Set current data
1846           size to be the data size of the previous pass.
1847           (Stub_table::set_final_data_size): Use current data size as the
1848           final data size.
1849           (Stub_table::relocate_stub): Change parameter type of stub from
1850           Reloc_stub pointer to Stub pointer.
1851           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1852           (Stub_table::Cortex_a8_stub_list): New typedef.
1853           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1854            Stub_table::prev_addralign_): New data member.
1855           (Arm_relobj::Arm_relobj): Initialize data member
1856           section_has_cortex_a8_workaround_.
1857           (Arm_relobj::section_has_cortex_a8_workaround,
1858            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1859            definitions.
1860           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1861           declarations.
1862           (Target_arm::relocate_stub): Change parameter type of stub from
1863           Reloc_stub pointer to Stub pointer.
1864           (Insn_template::size, Insn_template::alignment): Handle
1865           THUMB16_SPECIAL_TYPE.
1866           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1867            Stub_table::update_data_size_and_addralign,
1868            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1869           definitions.
1870           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1871           (Stub_table::do_write): Ditto.
1872           (Target_arm::do_relax): Adjust code for changes in Stub_table.
1874 2010-01-08  Ian Lance Taylor  <iant@google.com>
1876         PR 11108
1877         * symtab.h (class Symbol): Remove fields is_target_special_ and
1878         has_plt_offset_.  Add field is_defined_in_discarded_section_.
1879         (Symbol::is_defined_in_discarded_section): New function.
1880         (Symbol::set_is_defined_in_discarded_section): New function.
1881         (Symbol::has_plt_offset): Rewrite.
1882         (Symbol::set_plt_offset): Verify that new offset is not -1U.
1883         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1884         Don't initialize is_target_special_ or has_plt_offset_.
1885         Initialize is_defined_in_discarded_section_.
1886         (Symbol_table::add_from_relobj): If appropriate, set
1887         is_defined_in_discarded_section.
1888         * resolve.cc (Symbol::override_base_with_special): Don't test
1889         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
1890         * target-reloc.h (relocate_section): Do special handling for
1891         symbols defined in discarded sections for global symbols as well
1892         as local symbols.
1894 2010-01-08  Ian Lance Taylor  <iant@google.com>
1896         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1897         the SHT_SYMTAB case.
1899 2010-01-08  Ian Lance Taylor  <iant@google.com>
1901         * object.cc (Sized_relobj::do_layout): Don't get confused if
1902         layout_eh_frame returns NULL.
1904 2010-01-08  Ian Lance Taylor  <iant@google.com>
1906         PR 11084
1907         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1908         dynamic symbol table, use the normal symbol table.
1909         (Sized_dynobj::do_read_symbols): Remove assertion about type of
1910         symbol table.
1912 2010-01-08  Ian Lance Taylor  <iant@google.com>
1914         PR 11072
1915         * layout.cc (Layout::include_section): Remove .gnu_debuglink
1916         sections.
1918 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
1920         * version.cc (print_version): Change to "Copyright 2010".
1922 2010-01-08  Ian Lance Taylor  <iant@google.com>
1924         PR 10287
1925         PR 11063
1926         * i386.cc (class Target_i386): Change return type of plt_section
1927         to be non-const.
1928         (class Output_data_plt_i386): Add tls_desc_rel_ field.
1929         (Output_data_plt_i386::Output_data_plt_i386): Initialize
1930         tls_desc_rel_ field.
1931         (Output_data_plt_i386::rel_tls_desc): New function.
1932         (Target_i386::rel_tls_desc_section): New function.
1933         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1934         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1935         R_386_TLS_DESC reloc in rel_tls_desc_section.
1936         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1937         Define struct Tlsdesc_info.
1938         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1939         (Target_x86_64::do_reloc_symbol_index): New function.
1940         (Target_x86_64::add_tlsdesc_info): New function.
1941         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1942         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1943         tlsdesc_rel_ field.
1944         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
1945         all callers.
1946         (Output_data_plt_x86_64::rela_tlsdesc): New function.
1947         (Target_x86_64::rela_tlsdesc_section): New function.
1948         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1949         handling.
1950         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1951         (Target_x86_64::do_reloc_addend): New function.
1952         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1953         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1954         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
1955         (Output_reloc::type): New function.
1956         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1957         (Output_reloc::is_target_specific): New function.
1958         (Output_reloc::target_arg): New function.
1959         (class Output_reloc) [SHT_RELA]: Add four new constructors for
1960         absolute relocs and target specific relocs.
1961         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1962         add_target_specific.
1963         (class Output_data_reloc) [SHT_RELA]: Likewise.
1964         * output.cc (Output_reloc::Output_reloc): Add four new versions
1965         for absolute relocs and target specific relocs.
1966         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1967         (Output_reloc::get_symbol_index): Likewise.
1968         (Output_reloc::local_section_offset): Check that local_sym_index_
1969         is not TARGET_CODE or 0.
1970         (Output_reloc::symbol_value): Likewise.
1971         (Output_reloc::write) [SHT_RELA]: Call target for target specific
1972         reloc.
1973         * target.h (class Target): Add reloc_symbol_index and reloc_addend
1974         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
1975         functions.
1976         * layout.cc (add_target_dynamic_tags): Use output section for
1977         DT_PLTRELSZ and DT_JMPREL.
1979 2010-01-07  Ian Lance Taylor  <iant@google.com>
1981         PR 11061
1982         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1983         function.
1984         (class Output_data_reloc_generic): Define.
1985         (class Output_data_reloc_base): Change base class to
1986         Output_data_reloc_generic.  Change add() method to call
1987         bump_relative_reloc_count for a relative reloc.  Remove
1988         sort_relocs_ field.
1989         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1990         to sort_relocs().
1991         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1992         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
1993         appropriate.
1994         * layout.h (class Layout): Update declaration.
1996 2010-01-07  Ian Lance Taylor  <iant@google.com>
1998         * output.h (class Output_data): Add const version of
1999         output_section and do_output_section.
2000         (class Output_section_data): Add const version of
2001         do_output_section.
2002         (class Output_section): Likewise.
2003         * layout.cc (Layout::add_target_dynamic_tags): New function.
2004         * layout.h (class Layout): Update declarations.
2005         * arm.cc (Target_arm::do_finalize_sections): Use
2006         add_target_dynamic_tags.
2007         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2008         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2009         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2010         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2012 2010-01-07  Ian Lance Taylor  <iant@google.com>
2014         PR 11042
2015         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2016         object as needed.
2018 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2019             Ian Lance Taylor  <iant@google.com>
2021         PR 11019
2022         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2023         Xindex::read_symtab_xindex.
2025 2010-01-07  Doug Kwan  <dougkwan@google.com>
2027         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2028         (Insn_template::thumb16_bcond_insn): New method declaration.
2029         (Insn_template): Fix spelling.
2030         (Stub::thumb16_special): New method declaration.
2031         (Stub::do_write): Define virtual method which was previously pure
2032         virtual.
2033         (Stub::do_thumb16_special): New method declaration.
2034         (Stub::do_fixed_endian_write): New template member.
2035         (Reloc_stub::do_write): Remove.
2036         (Reloc_stub::do_fixed_endian_write): Remove.
2037         (Cortex_a8_stub): New class definition.
2038         (Stub_factory::make_cortex_a8_stub): New method definition.
2039         (Stub_factory::Stub_factory): Add missing static storage class
2040         qualifier for elf32_arm_stub_a8_veneer_blx.
2042 2010-01-07  Ian Lance Taylor  <iant@google.com>
2044         PR 10980
2045         * options.h (class General_options): Add --warn-unresolved-symbols
2046         and --error-unresolved-symbols.
2047         * errors.cc (Errors::undefined_symbol): Implement
2048         --warn-unresolved-symbols.
2050         * options.h (class General_options): Add -z text and -z textoff.
2051         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2053 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
2055         * gc.h (Garbage_collection::Cident_section_map): New typedef.
2056         (Garbage_collection::cident_sections): New function.
2057         (Garbage_collection::add_cident_section): New function.
2058         (Garbage_collection::cident_sections_): New member.
2059         (gc_process_relocs): Add references to sections whose names are C
2060         identifiers.
2061         * gold.h (cident_section_start_prefix): New constant.
2062         (cident_section_stop_prefix): New constant.
2063         (is_cident): New function.
2064         * layout.cc (Layout::define_section_symbols): Replace string constants
2065         with the newly defined constants.
2066         * object.cc (Sized_relobj::do_layout): Track sections whose names are
2067         C identifiers.
2068         * testsuite/Makefile.am: Add gc_orphan_section_test.
2069         * testsuite/Makefile.in: Regenerate.
2070         * testsuite/gc_orphan_section_test.cc: New file.
2071         * testsuite/gc_orphan_section_test.sh: New file.
2073 2010-01-06  Ian Lance Taylor  <iant@google.com>
2075         PR 10980
2076         * options.h (class General_options): Add --warn-shared-textrel.
2077         * layout.cc (Layout::finish_dynamic_section): Implement
2078         --warn-shared-textrel.
2080         PR 10980
2081         * options.h (class General_options): Add --warn-multiple-gp.
2083 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2085         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2086         $(THREADSLIB) and $(LIBDL).
2087         * Makefile.in: Rebuild.
2089 2010-01-06  Ian Lance Taylor  <iant@google.com>
2091         PR 10980
2092         * options.cc (General_options::parse_section_start): New function.
2093         (General_options::section_start): New function.
2094         (General_options::General_options): Initialize all members.
2095         * options.h: Include <map>
2096         (class General_options): Add --section-start.  Add section_starts_
2097         member.
2098         * layout.cc (Layout::attach_allocated_section_to_segment): If
2099         --section-start was used, set the address of the segment.  Remove
2100         local sort_sections.
2101         (Layout::relaxation_loop_body): If the address of the load segment
2102         has been set by --section-start, don't use it.
2103         * output.h (Output_segment::update_flags_for_output_section): New
2104         function.
2105         * output.cc (Output_segment::add_output_section): Call
2106         update_flags_for_output_section.
2108 2010-01-05  Ian Lance Taylor  <iant@google.com>
2110         PR 10980
2111         * options.h (class General_options): Add --undefined-version.
2112         * script.cc (struct Version_expression): Add was_matched_by_symbol
2113         field.
2114         (Version_script_info::matched_symbol): New function.
2115         (Version_script_info::get_symbol_version_helper): Call
2116         matched_symbol.
2117         (Version_script_info::check_unmatched_names): New function.
2118         * script.h (class Version_script_info): Update declarations.
2119         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2121         * options.h (class General_options): Use DEFINE_bool_alias for
2122         allow_multiple_definition.
2123         * resolve.cc (Symbol_table::should_override): Don't test
2124         allow_multiple_definition.
2126         PR 10980
2127         * options.h (class General_options): Add --cref.
2128         * main.cc (main): Print cref table if --cref.  Don't close mapfile
2129         until after printing cref table.
2130         * cref.cc: Include "symtab.h".
2131         (class Cref_inputs): Define Cref_table_compare and Cref_table.
2132         (Cref_table_compare::operator()): New function.
2133         (Cref_inputs::gather_cref): New function.
2134         (filecol): New static const.
2135         (Cref_inputs::print_cref): New function.
2136         (Cref::print_cref): New function.
2137         * cref.h: Include <cstdio>.
2138         (class Cref): Update declarations.
2139         * mapfile.h (Mapfile::file): New function.
2140         * object.h (class Object): Define Symbols.  Declare virtual
2141         do_get_global_symbols.
2142         (Object::get_global_symbols): New function.
2143         * object.cc (Input_objects::add_object): Pass object to cref_ if
2144         --cref.
2145         (Input_objects::archive_start): Likewise.
2146         (Input_objects::archive_stop): Likewise.
2147         (Input_objects::print_cref): New function.
2148         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2149         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2150         --cref.
2151         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2152         function.
2153         * plugin.h (class Sized_pluginobj): Update declarations.
2155 2010-01-05  Ian Lance Taylor  <iant@google.com>
2157         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2158         to is_default_version.  Rename insdef to insdefault.
2159         (Symbol_table::add_from_relobj): Rename def to is_default_version
2160         and local to is_forced_local.
2161         (Symbol_table::add_from_pluginobj): Likewise.
2162         (Symbol_table::add_from_dynobj): Likewise.
2163         (Symbol_table::define_special_symbol): Rename insdef to
2164         insdefault.
2166 2010-01-04  Ian Lance Taylor  <iant@google.com>
2168         PR 10980
2169         * options.h (class General_options): Add
2170         --allow-multiple-definition and -z muldefs.
2171         * resolve.cc (Symbol_table::should_override): Don't warn about a
2172         multiple symbol definition if --allow-multiple-definition or -z
2173         muldefs.
2175         PR 10980
2176         * options.h (class General_options): Add --add-needed and
2177         --copy-dt-needed-entries.  Tweak --as-needed help entry.
2178         * object.cc (Input_objects::check_dynamic_dependencies): Give an
2179         error if --copy-dt-needed-entries aka --add-needed is used and
2180         would cause a change in behaviour.
2182         PR 10980
2183         * options.h (class General_options): Add -G as a short version of
2184         --shared.  Add no-op options -assert, -g, and -i.
2186 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
2188         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2189         check for .text or .gnu.linkonce.t sections.
2190         * icf.cc (Icf::find_identical_sections): Ditto.
2191         Change the detection for mangled function name within the section
2192         name.
2193         * icf.h (is_section_foldable_candidate): New function.
2195 2009-12-30  Ian Lance Taylor  <iant@google.com>
2197         PR 10980
2198         * options.h (class General_options): Permit two dashes with
2199         --retain-symbols-file.
2201 2009-12-30  Ian Lance Taylor  <iant@google.com>
2203         PR 10979
2204         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2205         don't put the file header and segment headers in the text
2206         segment.
2208         PR 10979
2209         * common.cc (Sort_commons::operator()): Stabilize sort when both
2210         entries are NULL.
2211         (Symbol_table::do_allocate_commons_list): When allocating common
2212         symbols, skip a symbol which is no longer common.
2213         * symtab.h (Symbol::is_common): Test whether the symbol comes from
2214         an object before checking its type.
2215         * testsuite/common_test_2.c: New file.
2216         * testsuite/common_test_3.c: New file.
2217         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2218         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2219         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2220         (common_test_2_pic.o, common_test_2.so): New targets.
2221         (common_test_3_pic.o, common_test_3.so): New targets.
2222         * testsuite/Makefile.in: Rebuild.
2224         PR 10979
2225         * script.cc (read_input_script): If we see a new SECTIONS clause,
2226         and we have added an input section, give an error.
2227         * layout.h (class Layout): Add have_added_input_section function.
2228         Add have_added_input_section_ field.
2229         * layout.cc (Layout::Layout): Initialize
2230         have_added_input_section_.
2231         (Layout::layout): Set have_added_input_section_.
2232         (Layout::layout_eh_frame): Likewise.
2234 2009-12-30  Ian Lance Taylor  <iant@google.com>
2236         PR 10931
2237         * options.h (class General_options): Add --sort-common option.
2238         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2239         * common.cc (Sort_common): Add sort_order parameter to
2240         constructor.  Add sort_order_ field.
2241         (Sort_commons::operator): Check sort_order_.
2242         (Symbol_table::allocate_commons): Determine the sort order.
2243         (Symbol_table::do_allocate_commons): Add sort_order parameter.
2244         Change all callers.
2245         (Symbol_table::do_allocate_commons_list): Likewise.
2247 2009-12-30  Ian Lance Taylor  <iant@google.com>
2249         PR 10916
2250         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2251         symbols from this object, don't change the visibility of an
2252         undefined symbol.
2253         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2255 2009-12-30  Ian Lance Taylor  <iant@google.com>
2257         PR 10861
2258         * script.h (class Version_script_info): Define Language enum.
2259         Update declarations.  Define Glob, Exact, and Lookup types.  Add
2260         new fields globals_, locals_, and is_finalized_.
2261         * script.cc: Various formatting fixes.
2262         (class Parser_closure): Change language_stack_ from a vector of
2263         std::string to one of Version_script_info::Language.  Adjust all
2264         uses accordingly.
2265         (class Lazy_demangler): Remove.
2266         (struct Version_expression): Change language from std::string to
2267         Version_script_info::Language.
2268         (Version_script_info::Version_script_info): New function.
2269         (Version_script_info::~Version_script_info): Don't call clear.
2270         (Version_script_info::finalize): New function.
2271         (Version_script_info::build_lookup_tables): New function.
2272         (Version_script_info::build_expression_list_lookup): New
2273         function.
2274         (Version_script_info::get_symbol_version_helper): Rewrite to use
2275         lookup tables.
2276         (Version_script_info::print_expression_list): Adjust to use
2277         Version_script_info::Language.
2278         (script_push_lex_into_version_mode): Check that the version script
2279         has not been finalized.
2280         (version_script_push_lang): Change language string to
2281         Version_script_info::Language.
2282         * options.cc (Command_line::version_script): New function.
2283         * options.h (class General_options): Add finalize_dynamic_list
2284         function.  Change version_script from declaration to definition.
2285         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2286         * testsuite/version_script.map: Remove duplicate def of foo.
2287         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2288         version_script.map.
2289         * testsuite/Makefile.in: Rebuild.
2291 2009-12-30  Ian Lance Taylor  <iant@google.com>
2293         PR 10843
2294         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2295         if the input symbol index is 0, make the output symbol index 0.
2297 2009-12-30  Ian Lance Taylor  <iant@google.com>
2299         PR 10670
2300         * options.h (class General_options): Add -x/--discard-all.
2301         * object.cc (Sized_relobj::do_count_local_symbols): Handle
2302         --discard-all.  If the local symbol needs a dynamic entry, check
2303         that before handling --discard-locals.
2305 2009-12-30  Ian Lance Taylor  <iant@google.com>
2307         PR 10450
2308         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2309         flags to PF_R.
2310         (Output_segment::add_output_section): Don't change the flags if
2311         the type is PT_TLS.
2313         PR 10450
2314         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2315         GNU hash table if they need a dynamic value.  Otherwise, don't add
2316         them if they are defined in a dynamic object or are forced local.
2318 2009-12-29  Ian Lance Taylor  <iant@google.com>
2320         PR 10450
2321         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2322         .gnu.hash table for a 32-bit target.
2324         PR 10450
2325         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2326         regular and a dynamic object only needs a dynamic symbol table
2327         entry if it is externally visible.
2329         PR 10450
2330         * i386.cc (class Target_i386): Initialize global_offset_table_ in
2331         constructor.  Add global_offset_table_ field.
2332         (Target_i386::got_section): Set global_offset_table_.
2333         (Target_i386::do_finalize_sections): Set global_offset_table_
2334         size.
2335         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2336         in constructor.  Add global_offset_table_ field.
2337         (Target_x86_64::got_section): Set global_offset_table_.
2338         (Target_x86_64::do_finalize_sections): Set global_offset_table_
2339         size.
2341         * layout.cc (Layout::Layout): Initialize increase_relro_.
2342         (Layout::get_output_section): Add is_relro, is_last_relro, and
2343         is_first_non_relro parameters.  Change all callers.
2344         (Layout::choose_output_section): Likewise.
2345         (Layout::add_output_section_data): Likewise.
2346         (Layout::make_output_section): Likewise.
2347         (Layout::set_segment_offsets): Clear increase_relro when using a
2348         linker script.
2349         * layout.h (class Layout): Add increase_relro method.  Add
2350         increase_relro_ field.  Update declarations.
2351         * output.cc (Output_section::Output_section): Initialize
2352         is_last_relro_ and is_first_non_relro_.
2353         (Output_segment::add_output_section): Group relro sections is
2354         do_sort is true.  Handle is_last_relro and is_first_non_relro.
2355         (Output_segment::maximum_alignment): Remove relro handling.
2356         (Output_segment::set_section_addresses): Add increase_relro
2357         parameter.  Change all callers.  Add initial alignment to align
2358         relro sections on separate page.  Remove old relro handling.
2359         (Output_segment::set_section_list_addresses): Remove in_relro
2360         parameter.  Change all callers.
2361         (Output_segment::set_offset): Add increase parameter.  Change all
2362         callers.  Remove old relro handling.
2363         * output.h (class Output_section): Add new methods: is_last_relro,
2364         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2365         Add is_last_relro_ and is_first_non_relro_ fields.
2366         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2367         Create separate .got.plt section.  Call increase_relro.
2368         * x86_64.cc (Target_x86_64::got_section): Likewise.
2369         * testsuite/relro_script_test.t: Add .got.plt.
2371         PR 10450
2372         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2373         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2374         (Layout::finalize): Call set_dynamic_symbol_size.
2375         (Layout::set_dynamic_symbol_size): New function.
2376         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
2377         set_dynamic_symbol_size.
2379         PR 10450
2380         * output.h (class Output_section): Add is_entsize_zero_ field.
2381         * output.cc (Output_section::Output_section): Initialize
2382         is_entsize_zero_.
2383         (Output_section::set_entsize): If two different entsizes are
2384         requested, force it to zero.
2385         (Output_section::add_input_section): Set flags for .debug_str
2386         before updating section flags.  Set entsize.
2387         (Output_section::update_flags_for_input_section): Set SHF_MERGE
2388         and SHF_STRING if all input sections have those flags.
2390 2009-12-29   Rafael Espindola  <espindola@google.com>
2392         * main.cc (main): Fix the sys time reporting.
2393         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2394         reporting.
2396 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
2398         * options.cc (General_options::parse_version): Allow -v to exit
2399         without an error if there is nothing to link.
2401 2009-12-29  Ian Lance Taylor  <iant@google.com>
2403         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2404         using a version of gcc before 4.1.
2405         * configure: Rebuild.
2407 2009-12-28  Chris Demetriou  <cgd@google.com>
2409         * attributes.cc (Output_attributes_section_data::do_write): Use
2410         std::vector::front rather than std::vector::data.
2412 2009-12-28  Ian Lance Taylor  <iant@google.com>
2414         * symtab.h (class Symbol_table): Add enum Defined.
2415         * resolve.cc (Symbol_table::should_override): Add defined
2416         parameter.  Change all callers.  Test whether object is NULL
2417         before calling a method on it.
2418         (Symbol_table::report_resolve_problem): Add defined parameter.
2419         Change all callers.
2420         (Symbol_table::should_override_with_special): Likewise.
2421         * symtab.cc (Symbol_table::define_in_output_data): Add defined
2422         parameter.  Change all callers.
2423         (Symbol_table::do_define_in_output_data): Likewise.
2424         (Symbol_table::define_in_output_segment): Likewise.
2425         (Symbol_table::do_define_in_output_segment): Likewise.
2426         (Symbol_table::define_as_constant): Likewise.
2427         (Symbol_table::do_define_as_constant): Likewise.
2428         * script.h (class Symbol_assignment): Add is_defsym parameter to
2429         constructor; change all callers.
2430         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2431         parameter.  Change all callers.  Add is_defsym_ field.
2432         (class Parser_closure): Add parsing_defsym parameter to
2433         constructor; change all callers.  Add parsing_defsym accessor
2434         function.  Add parsing_defsym_ field.
2436 2009-12-28  Ian Lance Taylor  <iant@google.com>
2438         * gold.cc (queue_middle_tasks): Fix formatting.
2439         * object.cc (Relobj::is_section_name_included): Likewise.
2441 2009-12-23  Ian Lance Taylor  <iant@google.com>
2443         * i386.cc (Target_i386::do_calls_non_split): Recognize
2444         -fsplit-stack prologue for a function with a static chain.
2445         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2446         -fsplit-stack prologue when using %r11.
2448 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
2450         * options.cc (General_options::parse_version): Make -v continue and do
2451         the link like GNU ld does.
2453 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
2455         * Makefile.am (CCFILES): Add timer.cc.
2456         (HFILES): Add timer.h.
2457         * configure.ac: Check for sysconf and times.
2458         * main.cc: include timer.h.
2459         (main): Use Timer instead of get_run_time.
2460         * timer.cc: New.
2461         * timer.h: New.
2462         * workqueue.cc: include timer.h.
2463         (Workqueue::find_and_run_task):
2464         Report user, sys and wall time.
2465         * Makefile.in: Regenerate.
2466         * config.in: Regenerate.
2467         * configure: Regenerate.
2469 2009-12-16  Doug Kwan  <dougkwan@google.com>
2471         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2472         sections.
2473         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2474         relaxed input sections.
2475         * output.cc (Output_section::find_relaxed_input_section): Change
2476         return type to Output_relaxed_input_section pointer.  Adjust code
2477         for new type of relaxed_input_section_map_.
2478         * output.h (Output_section::find_relaxed_input_section): Change
2479         return type to Output_relaxed_input_section pointer.
2480         (Output_section::Output_relaxed_input_section_by_input_section_map):
2481         New type.
2482         (Output_section::relaxed_input_section_map_): Change type to
2483         Output_section::Output_relaxed_input_section_by_input_section_map.
2484         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2485         input section.
2487 2009-12-15  Ian Lance Taylor  <iant@google.com>
2489         * layout.cc (Layout::create_shstrtab): Only write out after input
2490         sections if we are compressing debug sections.
2492 2009-12-15  Ian Lance Taylor  <iant@google.com>
2494         * archive.cc (Archive::add_symbols): Only look up a symbol without
2495         a version if there is, in fact, a version.
2497 2009-12-14  Ian Lance Taylor  <iant@google.com>
2499         Revert -Wshadow changes, all changes from:
2500         2009-12-11  Doug Kwan  <dougkwan@google.com>
2501         2009-12-11  Nick Clifton  <nickc@redhat.com>
2502         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2504 2009-12-11  Doug Kwan  <dougkwan@google.com>
2506         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2507         due to -Wshadow.
2508         * attributes.cc (Object_attribute::size): Ditto.
2509         (Attributes_section_data::size): Ditto.
2510         (Attributes_section_data::Attributes_section_data): Ditto.
2511         (Output_attributes_section_data::do_write): Ditto.
2512         * attributes.h (Object_attribute::set_type): Ditto.
2513         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2515 2009-12-11  Nick Clifton  <nickc@redhat.com>
2517         * archive.cc: Fix shadowed variable warnings.
2518         * arm.cc: Likewise.
2519         * compressed_output.cc: Likewise.
2520         * compressed_output.h: Likewise.
2521         * configure: Likewise.
2522         * dwarf_reader.cc: Likewise.
2523         * dynobj.cc: Likewise.
2524         * dynobj.h: Likewise.
2525         * ehframe.cc: Likewise.
2526         * ehframe.h: Likewise.
2527         * errors.cc: Likewise.
2528         * expression.cc: Likewise.
2529         * fileread.cc: Likewise.
2530         * fileread.h: Likewise.
2531         * freebsd.h: Likewise.
2532         * i386.cc: Likewise.
2533         * icf.cc: Likewise.
2534         * incremental.h: Likewise.
2535         * layout.cc: Likewise.
2536         * layout.h: Likewise.
2537         * mapfile.cc: Likewise.
2538         * merge.cc: Likewise.
2539         * merge.h: Likewise.
2540         * object.cc: Likewise.
2541         * object.h: Likewise.
2542         * options.h: Likewise.
2543         * output.cc: Likewise.
2544         * output.h: Likewise.
2545         * parameters.cc: Likewise.
2546         * plugin.cc: Likewise.
2547         * powerpc.cc: Likewise.
2548         * reduced_debug_output.cc: Likewise.
2549         * reduced_debug_output.h: Likewise.
2550         * reloc.cc: Likewise.
2551         * reloc.h: Likewise.
2552         * resolve.cc: Likewise.
2553         * script-sections.cc: Likewise.
2554         * script.cc: Likewise.
2555         * script.h: Likewise.
2556         * sparc.cc: Likewise.
2557         * symtab.cc: Likewise.
2558         * symtab.h: Likewise.
2559         * target-select.cc: Likewise.
2560         * target-select.h: Likewise.
2561         * token.h: Likewise.
2562         * workqueue.cc: Likewise.
2563         * workqueue.h: Likewise.
2564         * x86_64.cc: Likewise.
2566 2009-12-10  Doug Kwan  <dougkwan@google.com>
2568         * arm.cc (attributes.h): New include.
2569         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2570         (Arm_relobj::~Arm_relobj): Delete object pointed by
2571         attributes_section_data_.
2572         (Arm_relobj::attributes_section_data): New method definition.
2573         (Arm_relobj::attributes_section_data_): New data member declaration.
2574         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2575         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2576         attributes_section_data_.
2577         (Arm_dynobj::attributes_section_data): New method definition.
2578         (Arm_dynobj::attributes_section_data_): New data member declaration.
2579         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
2580         initialization value of may_use_blx_ to false.
2581         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2582         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2583         object attributes to compute results instead of hard-coding.
2584         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2585         Target_arm::get_secondary_compatible_arch,
2586         Target_arm::set_secondary_compatible_arch
2587         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2588         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2589         New method declarations.
2590         (Target_arm::get_aeabi_object_attribute): New method definition.
2591         (Target_arm::attributes_section_data_): New data member declaration.
2592         (read_arm_attributes_section): New template definition.
2593         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2594         (Arm_dynobj::do_read_symbols): Ditto.
2595         (Target_arm::do_finalize_sections): Merge attributes sections from
2596         input.  Check for BLX use after attributes section merging.
2597         Fix __exidx_start and __exidx_end visibility.  Create an
2598         .ARM.attributes section if necessary.
2599         (Target_arm::get_secondary_compatible_arch,
2600         Target_arm::set_secondary_compatible_arch,
2601         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2602         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2603         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order): 
2604         New method definitions.
2606 2009-12-09  Ian Lance Taylor  <iant@google.com>
2608         * plugin.cc (Plugin::load): Don't cast from void* to a function
2609         pointer.
2611 2009-12-09  Ian Lance Taylor  <iant@google.com>
2613         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2614         information fields.
2616 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
2618         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2619         Replace two_file_shared_1.so with two_file_shared_2.so.
2620         * testsuite/Makefile.in: Regenerated.
2622 2009-12-08  Doug Kwan  <dougkwan@google.com>
2624         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2625         (HFILES): Add attributes.h and int_encoding.h.
2626         * Makefile.in: Regenerate.
2627         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2628         function definitions to int_encoding.cc
2629         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2630         prototypes to int_encoding.h
2631         * reduced_debug_output.cc (int_encoding.h): New include.
2632         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2633         function definitions to int_encoding.cc
2634         (insert_into_vector, read_from_pointer): Move template definitions to
2635         int_encoding.h
2636         * attributes.cc: New file.
2637         * attributes.h: New file.
2638         * int_encoding.cc: New file.
2639         * int_encoding.h: New file.
2641 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
2643         PR gold/11055
2644         * incremental-dump.cc (dump_incremental_inputs): New.
2645         (main): Use dump_incremental_inputs.
2647 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
2649         PR gold/10893
2650         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2651         checking elfcpp::STT_FUNC.
2652         (Target_i386::Relocate::relocate): Likewise.
2653         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2655         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2656         symbols from shared libraries into normal FUNC symbols.
2658         * symtab.h (Symbol): Add is_func and use it.
2660 2009-12-05  Doug Kwan  <dougkwan@google.com>
2662         * arm.cc (Target_arm::arm_info): Initialize new fields
2663         attributes_section and attributes_vendor.
2664         * i386.cc (Target_i386::i386_info): Same.
2665         * object.cc (Sized_relobj::do_layout): Skip attribute section.
2666         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2667         fields attributes_section and attributes_vendor.
2668         * sparc.cc (Target_sparc::sparc_info): Same.
2669         * target.h (Target::attributes_section, Target::attributes_vendor,
2670         Target::is_attributes_section, Target::attribute_arg_type,
2671         Target::attributes_order): New method definitions.
2672         (Target::Target_info::attributes_section,
2673         Target::Target_info::attributes_vendor): New fields.
2674         (Target::do_attribute_arg_type, Target::do_attributes_order): New
2675         virtual method definitions.
2676         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2677         attributes_section and attributes_vendor.
2678         * testsuite/testfile.cc (Target_test::test_target_info): Same.
2680 2009-12-05  Doug Kwan  <dougkwan@google.com>
2682         * arm.cc: Update comments about interworking and stub generation.
2683         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2684         considered as non-PIC.
2685         (Arm_relocate_functions::base_abs): Fix formatting.
2686         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
2687         of function to use GOT entry address instead of offset.
2688         (Target_arm::Scan::global): Issue an error if a symbol would need a
2689         PLT does not get one because it is untyped.  Remove code to create
2690         dynamic symbols for relative branches.
2691         (Target_arm::Relocate::relocate: Use 0 instead of false since function
2692         takes unsigned integer instead of boolean.
2694 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
2696         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2697         (two_file_test_LDADD): Likewise.
2698         (common_test_1_LDADD): Likewise.
2699         (exception_test_LDADD) Likewise.
2700         (weak_test_LDADD): Likewise.
2701         (many_sections_test_LDADD): Likewise.
2702         (initpri1_LDADD): Likewise.
2703         (script_test_1_LDADD): Likewise.
2704         (script_test_2_LDADD): Likewise.
2705         (justsyms_LDADD): Likewise.
2706         (binary_test_LDADD): Likewise.
2707         (large_LDADD): Likewise.
2708         * testsuite/Makefile.in: Regenerated.
2710 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
2712         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2713         (Symbol_table::override_with_special): Likewise.
2714         (Symbol_table::add_from_object): Likewise.
2716 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2718         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2719         Don't set the data_offset twice.
2721 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
2723         * testsuite/Makefile.in: Regenerate.
2725 2009-12-03  Doug Kwan  <dougkwan@google.com>
2727         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2728         (Target_arm::do_finalize_sections): Add parameter for symbol table
2729         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
2730         * i386.cc (Target_i386::do_finalize_sections): Add an additional
2731         parameter for symbol table pointer.
2732         * layout.cc (Layout::finalize): Call Target::finalize_sections with
2733         an additional parameter for a pointer to symbol table.
2734         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2735         parameter for a symbol table pointer.
2736         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2737         * target.h (Target::finalize_sections, Target::do_finalize_sections):
2738         Ditto.
2739         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2740         parameter for a symbol table pointer.
2742 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
2744         * incremental.cc (Incremental_inputs_header)
2745         (Incremental_inputs_header_write, Incremental_inputs_entry)
2746         (Incremental_inputs_entry_write): Move ...
2747         * incremental.h (Incremental_inputs_header)
2748         (Incremental_inputs_header_write, Incremental_inputs_entry)
2749         (Incremental_inputs_entry_write): here.
2751 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2753         * incremental.cc (make_sized_incremental_binary): Set the target.
2754         Error if it is incompatible.
2755         * output.h (Output_file): Add filename method.
2757 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2759         * incremental.cc (Incremental_inputs_entry): Remove unused argument
2760         from the get_* methods.
2762 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2764         * incremental-dump.cc (main): Check that the offeset of a script is 0.
2765         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2766         Write 0 for the data_offset of scripts.
2768 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
2770         * testsuite/Makefile.am: Add the incremental_test.sh test.
2771         * testsuite/incremental_test.sh: New.
2772         * testsuite/incremental_test_1.c: New.
2773         * testsuite/incremental_test_2.c: New.
2775 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
2777        * incremental-dump.cc (main): Fix typos.
2779 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
2781         PR gold/11025
2782         * incremental-dump.cc (main): Use llu to print 64 bit values.
2784 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
2785             H.J. Lu  <hongjiu.lu@intel.com>
2787         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2788         $(LIBDL).
2789         (incremental_dump_LDADD): Likewise.
2790         * Makefile.in: Regenerated.
2792 2009-11-25  Doug Kwan  <dougkwan@google.com>
2793         
2794         Revert:
2796         2009-11-25  Doug Kwan  <dougkwan@google.com>
2798                 * arm.cc (Target_arm::Target_arm): Move method definition
2799                 outside of class definition.  Add code to handle
2800                 --target1-rel, --target1-abs and --target2= options.
2801                 (Target_arm::get_reloc_reloc_type): Change method to be
2802                 non-static and const.
2803                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2804                 New data member declaration.
2805                 (Target_arm::Scan::local, Target_arm::Scan::global,
2806                 Target_arm::Relocate::relocate,
2807                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2808                 Adjust call to Target_arm::get_real_reloc_type.
2809                 (Target_arm::get_real_reloc_type): Use command line options
2810                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2811                 * options.h (--target1-rel, --target1-abs, --target2): New
2812                 ARM-only options.
2814 2009-11-25  Doug Kwan  <dougkwan@google.com>
2816         * arm.cc (Target_arm::Target_arm): Move method definition outside of
2817         class definition.  Add code to handle --target1-rel, --target1-abs
2818         and --target2= options.
2819         (Target_arm::get_reloc_reloc_type): Change method to be non-static
2820         and const.
2821         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2822         member declaration.
2823         (Target_arm::Scan::local, Target_arm::Scan::global,
2824         Target_arm::Relocate::relocate,
2825         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2826         call to Target_arm::get_real_reloc_type.
2827         (Target_arm::get_real_reloc_type): Use command line options to
2828         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2829         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2830         options.
2832 2009-11-25  Doug Kwan  <dougkwan@google.com>
2834         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2835         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2836         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2837         formatting.
2838         (Arm_relocate_functions::thm_call): Replace body with a call to
2839         Arm_relocate_functions::thumb_branch_common.
2840         (Arm_relocate_functions::thm_jump24,
2841         Arm_relocate_functions::thm_xpc22): New method definitions.
2842         (Arm_relocate_functions::thumb_branch_common): New method definition.
2843         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2844         operator.
2845         (Target_arm::Relocate::relocate): Adjust call to thm_call.
2846         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2848 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2850         * Makefile.am: Build incremental-dump
2851         * Makefile.in: Regenerate.
2852         * incremental-dump.cc: New.
2853         * incremental.cc (Incremental_inputs_header_data,
2854         Incremental_inputs_entry_data): Move to incremental.h
2855         * incremental.h: (Incremental_inputs_header_data,
2856         Incremental_inputs_entry_data): Move from incremental.cc
2858 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2860         * incremental.cc (Incremental_inputs_header,
2861         Incremental_inputs_header_write, Incremental_inputs_entry,
2862         Incremental_inputs_entry_write): Add a typedef with the data type.
2864 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
2866         * incremental.cc (Incremental_inputs_header,
2867         Incremental_inputs_header_write, Incremental_inputs_entry,
2868         Incremental_inputs_entry_write): Update comment about which
2869         type has the filed descriptions.
2871 2009-11-15  Doug Kwan  <dougkwan@google.com>
2873         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2874         (Arm_relocate_functions::arm_branch_common): Change method defintion
2875         in class definition to a method declaration and update list of formal
2876         parameters.
2877         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2878         Arm_relocation_functions::jump24): Adjust call to
2879         Arm_relocate_functions::arm_branch_common.  Update list of formal
2880         parameters.
2881         (Arm_relocate_functions::xpc25): New method definition.
2882         (Arm_relocate_functions::arm_branch_common): Move method defintion
2883         out from class definition.  Use stubs for mode-switching and extending
2884         branch ranges.
2885         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2886         specially.  Change code to enable use of stubs in ARM branches.
2888 2009-11-10  Doug Kwan  <dougkwan@google.com>
2890         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2891         in method declaration.
2892         (Target_arm::relocate_stub): New method declaration.
2893         (Target_arm::default_target): Change to return a pointer instead of
2894         a const reference.
2895         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2896         Target_arm::default_target.
2897         (Arm_Relobj::do_relocate_sections): Remove options paramater in
2898         method definition.
2899         (Target_arm::relocate_section): Adjust view.
2900         (Target_arm::relocate_stub): New method definition.
2902 2009-11-10  Doug Kwan  <dougkwan@google.com>
2904         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2905         a format warning.
2906         * incremental.cc (open_incremental_binary): Initialized local
2907         variables to avoid warnings.
2908         * object.cc (make_elf_object): Ditto.
2909         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2910         a format warning.
2912 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
2914         PR gold/10930
2915         * testsuite/plugin_test.c: Include "config.h".
2917 2009-11-09  Doug Kwan  <dougkwan@google.com>
2919         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2920         (arm_symbol_value): Remove.
2921         (Arm_relocate_functions::arm_branch_common,
2922         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2923         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2924         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2925         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2926         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2927         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2928         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2929         Arm_relocate_functions::thm_mobw_abs_nc,
2930         Arm_relocate_functions::thm_mov_abs,
2931         Arm_relocate_functions::movw_prel_nc,
2932         Arm_relocate_functions::thm_movt_abs,
2933         Arm_relocate_functions::movt_prel,
2934         Arm_relocate_functions::thm_movw_prel_nc,
2935         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2936         (Target_arm::Relocate::relocate): Only decompose address into two
2937         parts if relocation type uses the thumb-bit and pass the actual
2938         bit instead of a flag indicating that the thumb-bit is used.  Adjust
2939         calls to methods in Arm_relocate_functions for this change.
2941 2009-11-08  Ian Lance Taylor  <iant@google.com>
2943         PR 10925
2944         * reloc.cc: Instantiate
2945         Sized_relobj::initialize_input_to_output_maps and
2946         Sized_relobj:free_input_to_output_maps.
2948 2009-11-06  Ian Lance Taylor  <iant@google.com>
2950         PR 10876
2951         * defstd.cc (in_segment): Set only_if_ref true for "end".
2953 2009-11-06  Doug Kwan  <dougkwan@google.com>
2955         * arm.cc (class Reloc_stub): Correct a comment.
2956         (Target_arm::Target_arm): Initialize arm_input_section_map_.
2957         (Target_arm::scan_section_for_stubs): New method declaration.
2958         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2959         Change methods from private to protected.
2960         (Target_arm::do_may_relax): New method definition.
2961         (Target_arm::do_relax, Target_arm::group_sections,
2962         Target_arm::scan_reloc_for_stub,
2963         Target_arm::scan_reloc_section_for_stubs): New method declarations.
2964         (Target_arm::arm_input_section_map_): New data member declaration.
2965         (Target_arm::scan_reloc_for_stub,
2966         Target_arm::scan_reloc_section_for_stubs,
2967         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2968         Target_arm::do_relax): New method definitions.
2970 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
2972         * configure.ac: Check for (struct stat)::st_mtim
2973         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2974         * config.in: Regenerate.
2975         * configure: Regenerate.
2977 2009-11-05  Ian Lance Taylor  <iant@google.com>
2979         PR 10910
2980         * output.cc (Output_segment::add_output_section): Add missing
2981         return statement.
2983 2009-11-04  Ian Lance Taylor  <iant@google.com>
2985         PR 10880
2986         * object.h (class Object): Add is_needed and set_is_needed
2987         methods.  Add is_needed_ field.  Make bool fields into bitfields.
2988         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2989         defined in a dynamic object and referenced by a regular object,
2990         set is_needed for the dynamic object.
2991         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2992         if the file is marked with as_needed and it is not needed.
2994 2009-11-04  Ian Lance Taylor  <iant@google.com>
2996         PR 10887
2997         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2998         tags if data is discarded by linker script.
2999         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3000         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3001         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3002         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3004 2009-11-04  Ian Lance Taylor  <iant@google.com>
3006         * layout.cc (Layout::get_output_section): Add is_interp and
3007         is_dynamic_linker_section parameters.  Change all callers.
3008         (Layout::choose_output_section): Likewise.
3009         (Layout::make_output_section): Likewise.
3010         (Layout::add_output_section_data): Add is_dynamic_linker_section
3011         parameter.  Change all callers.
3012         * layout.h (class Layout): Update declarations.
3013         * output.h (class Output_section): Add is_interp, set_is_interp,
3014         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3015         Add is_interp_, is_dynamic_linker_section_ fields.  Change
3016         generate_code_fills_at_write_ to a bitfield.
3017         * output.cc (Output_section::Output_sections): Initialize new
3018         fields.
3019         (Output_segment::add_output_section): Add do_sort parameter.
3020         Change all callers.
3022 2009-11-03  Ian Lance Taylor  <iant@google.com>
3024         PR 10860
3025         * options.h (class General_options): Add --warn-common.
3026         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3027         merging two common symbols.
3028         (Symbol_table::should_override): Handle --warn-common when merging
3029         a common symbol with a defined symbol.  Use report_resolve_problem
3030         for multiple definitions.
3031         (Symbol_table::report_resolve_problem): New function.
3032         * symtab.h (class Symbol_table): Declare report_resolve_problem.
3034 2009-11-03  Doug Kwan  <dougkwan@google.com>
3036         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3037         stub_factory_.
3038         (Target_arm::stub_factory): New method definition.
3039         (Target_arm::new_arm_input_section,
3040         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3041         Target_arm::reloc_uses_thumb_bit): New method declarations.
3042         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map): 
3043         New type definitions.
3044         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3045         member declarations.
3046         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3047         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3048         New method definitions.
3050 2009-11-03  Ian Lance Taylor  <iant@google.com>
3052         * options.h (class General_options): Add --warn_constructors.
3054 2009-11-03  Ian Lance Taylor  <iant@google.com>
3056         PR 10893
3057         * defstd.cc (in_section): Add entries for __rel_iplt_start,
3058         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3060 2009-11-03  Ian Lance Taylor  <iant@google.com>
3062         PR 10895
3063         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3064         --msgid-bugs-address.
3065         (install-pdf): New target.
3066         (install-data_yes): Look up one directory to find mkinstalldirs.
3068 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
3070         * po/Make-in (.po.gmo): Don't generate .gmo files in source
3071         tree.
3073 2009-10-30  Doug Kwan  <dougkwan@google.com>
3075         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3077 2009-10-30  Doug Kwan  <dougkwan@google.com>
3079         * arm.cc (Stub_addend_reader): New struct template definition
3080         and partial specializations.
3081         (Stub_addend_reader::operator()): New method definition for a
3082         partially specialized template.
3084 2009-10-30  Doug Kwan  <dougkwan@google.com>
3086         * arm.cc (Arm_relobj::processor_specific_flags): New method
3087         definition.
3088         (Arm_relobj::do_read_symbols): New method declaration.
3089         (Arm_relobj::processor_specific_flags_): New data member declaration.
3090         (Arm_dynobj): New class definition.
3091         (Target_arm::do_finalize_sections): Add input_objects parameter.
3092         (Target_arm::do_adjust_elf_header): New method declaration.
3093         (Target_arm::are_eabi_versions_compatible,
3094         (Target_arm::merge_processor_specific_flags): New method declaration.
3095         (Target_arm::do_make_elf_object): New overloaded method definitions
3096         and declaration.
3097         (Arm_relobj::do_read_symbols): New method definition.
3098         (Arm_dynobj::do_read_symbols): Ditto.
3099         (Target_arm::do_finalize_sections): Add input_objects parameters.
3100         Merge processor-specific flags from all input objects.
3101         (Target_arm::are_eabi_versions_compatible,
3102         Target_arm::merge_processor_specific_flags,
3103         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3104         New method definitions.
3105         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3106         Input_objects pointer type parameter.
3107         * layout.cc (Layout::finalize): Pass input objects to target's.
3108         finalize_sections function.
3109         * output.cc (Output_file_header::do_sized_write): Set ELF file
3110         header's processor-specific flags.
3111         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3112         Input_objects pointer type parameter.
3113         * sparc.cc (Target_sparc::do_finalize_sections): Same.
3114         * target.h (Input_objects): New forward class declaration.
3115         (Target::processor_specific_flags,
3116         Target::are_processor_specific_flags_sect): New method definitions.
3117         (Target::finalize_sections): Add input_objects parameter.
3118         (Target::Target): Initialize processor_specific_flags_ and
3119         are_processor_specific_flags_set_.
3120         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3121         parameter.
3122         (Target::set_processor_specific_flags): New method definition.
3123         (Target::processor_specific_flags_,
3124         Target::are_processor_specific_flags_set_): New data member
3125         declarations.
3126         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3127         Input_objects pointer type parameter.
3129 2009-10-30  Doug Kwan  <dougkwan@google.com>
3131         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3133 2009-10-28  Ian Lance Taylor  <iant@google.com>
3135         * object.h (class Relobj): Drop options parameter from
3136         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3137         do_scan_relocs, do_relocate.  Change all callers.
3138         (class Sized_relobj): Drop options parameters from
3139         do_gc_process_relocs, do_scan_relocs, do_relocate,
3140         do_relocate_sections, relocate_sections, emit_relocs_scan,
3141         emit_relocs_scan_reltype.  Change all callers.
3142         (struct Relocate_info): Remove options field and all references to
3143         it.
3144         * reloc.h (class Read_relocs): Remove options constructor
3145         parameter and options_ field.  Change all callers.
3146         (class Gc_process_relocs, class Scan_relocs): Likewise.
3147         (class Relocate_task): Likewise.
3148         * target-reloc.h (scan_relocs): Remove options parameter.  Change
3149         all callers.
3150         (scan_relocatable_relocs): Likewise.
3151         * target.h (class Sized_target): Remove options parameter from
3152         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
3153         all callers.
3154         * gc.h (gc_process_relocs): Remove options parameter.  Change all
3155         callers.
3156         * arm.cc: Update functions to remove options parameters.
3157         * i386.cc: Likewise.
3158         * powerpc.cc: Likewise.
3159         * sparc.cc: Likewise.
3160         * x86_64.cc: Likewise.
3161         * testsuite/testfile.cc: Likewise.
3163 2009-10-28  Doug Kwan  <dougkwan@google.com>
3165         * arm.cc (Arm_relobj): New class definition.
3166         (Arm_relobj::scan_sections_for_stubs, 
3167         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3168         New method definitions.
3170 2009-10-28  Cary Coutant  <ccoutant@google.com>
3172         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3173         (Plugin::cleanup_done_): New member.
3174         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3175         (Plugin_manager::cleanup_done_): Remove.
3176         (Plugin_manager::add_input_file): Edit error message.
3177         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3178         (Plugin_manager::cleanup): Remove use of cleanup_done_.
3180 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
3182         * fileread.cc: (File_read::View::~View): Use the new
3183         data_ownership_ filed.
3184         (File_read::~File_read): Dispose the new whole_file_view_.
3185         (File_read::open): Mmap the whole file if needed.
3186         (File_read::open): Use whole_file_view_ instead of contents_.
3187         (File_read::find_view): Use whole_file_view_ if applicable.
3188         (File_read::do_read): Use whole_file_view_ instead of contents_.
3189         (File_read::make_view): Use whole_file_view_ instead of contents_,
3190         update File_read::View::View call.
3191         (File_read::find_or_make_view): Update File_read::View::View
3192         call.
3193         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3194         remove contents_
3195         (File_read::View::Data_ownership): New enum.
3196         (File_read::View::View): Replace bool mapped_ with Data_ownership
3197         argument.
3198         (File_read::View::mapped_): Remove (replaced by data_ownership_).
3199         (File_read::View::data_ownership_): New field.
3200         (File_read::contents_): Remove (replaced by whole_file_view_).
3201         (File_read::whole_file_view_): New field.
3202         * options.h (class General_options): Add --keep-files-mapped.
3204 2009-10-27  Cary Coutant  <ccoutant@google.com>
3206         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3207         * testsuite/Makefile.am (plugin_test_5): New test case.
3208         * testsuite/Makefile.in: Regenerate.
3210 2009-10-25  Doug Kwan  <dougkwan@google.com>
3212         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3213         from private to protected to allow access by child class.
3214         (Sized_relobj::do_relocate_sections): New method declaration.
3215         (Sized_relobj::relocate_sections): Virtualize.
3216         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from 
3217         Sized_relobj::relocate_sections.  Instantiate template explicitly
3218         for different target sizes and endianity.
3220 2009-10-24  Doug Kwan  <dougkwan@google.com>
3222         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3223         (Arm_input_section::as_arm_input_section): New method.
3224         (Arm_output_section): New class definition.
3225         (Arm_output_section::create_stub_group,
3226         Arm_output_section::group_sections): New method definitions.
3228 2009-10-22  Doug Kwan  <dougkwan@google.com>
3230         * arm.cc (Arm_input_section): New class definition.
3231         (Arm_input_section::init, Arm_input_section:do_write,
3232         Arm_input_section::set_final_data_size,
3233         Arm_input_section::do_reset_address_and_file_offset): New method
3234         definitions.
3236 2009-10-21  Doug Kwan  <dougkwan@google.com>
3238         * arm.cc (Stub_table, Arm_input_section): New forward class
3239         declarations.
3240         (Stub_table): New class defintion.
3241         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3242         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3243         New method definition.
3245 2009-10-21  Doug Kwan  <dougkwan@google.com>
3247         * arm.cc: Update copyright comments.
3248         (Target_arm): New forward class template declaration.
3249         (Arm_address): New type.
3250         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3251         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3252         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3253         constants.
3254         (Insn_template): Same.
3255         (DEF_STUBS): New macro.
3256         (Stub_type): New enum type.
3257         (Stub_template): New class definition.
3258         (Stub): Same.
3259         (Reloc_stub): Same.
3260         (Stub_factory): Same.
3261         (Target_arm::Target_arm): Initialize may_use_blx_ and
3262         should_force_pic_veneer_.
3263         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3264         Target_arm::should_force_pic_veneer,
3265         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3266         Target_arm::using_thumb_only, Target_arm:;default_target): New
3267         method defintions.
3268         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3269         New data member declarations.
3270         (Insn_template::size, Insn_template::alignment): New method defintions.
3271         (Stub_template::Stub_template): New method definition.
3272         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3273         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3274         (Stub_factory::Stub_factory): New method definition.
3275         * gold.h (string_hash): New template.
3276         * output.h (Input_section_specifier::hash_value): Use
3277         gold::string_hash.
3278         (Input_section_specifier::string_hash): Remove.
3279         * stringpool.cc (Stringpool_template::string_hash): Use
3280         gold::string_hash.
3282 2009-10-20  Doug Kwan  <dougkwan@google.com>
3284         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3285         symbols of relaxed input sections.
3286         * output.h (Output_section::find_relaxed_input_section): Make
3287         method public.
3289 2009-10-16  Doug Kwan  <dougkwan@google.com>
3291         * dynobj.cc (Versions::Versions): Initialize version_script_.
3292         Only insert base version symbol definition for a shared object
3293         if version script defines any version versions.
3294         (Versions::define_base_version): New method definition.
3295         (Versions::add_def): Check that base version is not needed.
3296         (Versions::add_need): Define base version lazily.
3297         * dynobj.h (Versions::define_base_version): New method declaration.
3298         (Versions::needs_base_version_): New data member declaration.
3299         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3300         (check_DATA): Add no_version_test.stdout.
3301         (libno_version_test.so, no_version_test.o no_version_test.stdout):
3302         New make rules.
3303         * testsuite/Makefile.in: Regenerate.
3304         * testsuite/no_version_test.c: New file.
3305         * testsuite/no_version_test.sh: Ditto.
3307 2009-10-16  Doug Kwan  <dougkwan@google.com>
3309         * expression.cc (class Segment_start_expression): New class definition.
3310         (Segment_start_expression::value): New method definition.
3311         (script_exp_function_segment_start): Return a new
3312         Segment_start_expression.
3313         * gold/script-c.h (script_saw_segment_start_expression): New function
3314         prototype.
3315         * script-sections.cc (Script_sections::Script_sections): Initialize
3316         SAW_SEGMENT_START_EXPRESSION_ to false.
3317         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3318         and -Tbbs options to specify section addresses if given in
3319         command line and no SEGMENT_START expression is seen in a script.
3320         * script-sections.h (Script_sections::saw_segment_start_expression,
3321         Script_sections::set_saw_segment_start_expression): New method
3322         definition.
3323         (Script_sections::saw_segment_start_expression_): New data member
3324         declaration.
3325         * script.cc (script_saw_segment_start_expression): New function.
3326         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3327         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3328         script_test_7.sh and script_test_8.sh.
3329         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3330         script_test_8.stdout.
3331         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3332         (script_test_6, script_test_6.stdout, script_test_7,
3333         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3334         * Makefile.in: Regenerate.
3335         * testsuite/script_test_6.sh: New file.
3336         * testsuite/script_test_6.t: Same.
3337         * testsuite/script_test_7.sh: Same.
3338         * testsuite/script_test_7.t: Same.
3339         * testsuite/script_test_8.sh: Same.
3341 2009-10-16  Doug Kwan  <dougkwan@google.com>
3343         * output.cc (Output_segment::set_section_list_address): Cast
3344         expressions to unsigned long long type to avoid format warnings.
3346 2009-10-15  Ian Lance Taylor  <iant@google.com>
3348         * script.cc (Script_options::add_symbol_assignment): Always add a
3349         dot assignment to script_sections_.
3350         * script-sections.cc (Script_sections::add_dot_assignment):
3351         Initialize if necessary.
3353         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3354         program headers with no load segment if there is a linker script.
3356         * layout.cc (Layout::set_segment_offsets): Align the file offset
3357         to the segment aligment for -N or -n with no load segment.
3358         * output.cc (Output_segment::add_output_section): Don't crash if
3359         the first section is a TLS section.
3360         (Output_segment::set_section_list_addresses): Print an error
3361         message if the address moves backward in a linker script.
3362         * script-sections.cc
3363         (Output_section_element_input::set_section_addresses): Don't
3364         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3365         (Orphan_output_section::set_section_addresses): Likewise.
3367 2009-10-15  Doug Kwan  <dougkwan@google.com>
3369         * layout.cc (Layout::finish_dynamic_section): Generate tags
3370         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3371         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3372         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3374 2009-10-14  Ian Lance Taylor  <iant@google.com>
3376         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3377         fields.
3378         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3379         data_shdr fields of relinfo.
3380         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3381         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
3382         R_386_TLS_LDO_32, adjust based on section flags.
3383         (Target_i386::Relocate::fix_up_ldo): Remove.
3385 2009-10-13  Ian Lance Taylor  <iant@google.com>
3387         Add support for -pie.
3388         * options.h (class General_options): Add -pie and
3389         --pic-executable.
3390         (General_options::output_is_position_independent): Test -pie.
3391         (General_options::output_is_executable): Return true if not shared
3392         and not relocatable.
3393         (General_options::output_is_pie): Remove.
3394         * options.cc (General_options::finalize): Reject incompatible uses
3395         of -pie.
3396         * gold.cc (queue_middle_tasks): A -pie link is not static.
3397         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3398         * symtab.cc (Symbol::final_value_is_known): Return false if
3399         output_is_position_independent.
3400         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3401         output_is_position_independent.
3402         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3403         output_is_position_independent.
3404         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3405         output_is_position_independent.
3406         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3407         two_file_pie_test.
3408         (basic_pie_test.o, basic_pie_test): New targets.
3409         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3410         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3411         (two_file_pie_test): New target.
3412         * testsuite/Makefile.in: Rebuild.
3413         * README: Remove note saying that -pie is not supported.
3415 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3417         * options.h (class General_options): Add -init and -fini.
3418         * layout.cc (Layout::finish_dynamic_section): Emit
3419         given init and fini functions.
3421 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
3423         * gc.h (gc_process_relocs): Check if icf is enabled using new
3424         function.
3425         * gold.cc (queue_initial_tasks): Likewise.
3426         (queue_middle_tasks): Likewise.
3427         * object.cc (do_layout): Likewise.
3428         * symtab.cc (is_section_folded): Likewise.
3429         * main.cc (main): Likewise.
3430         * reloc.cc (Read_relocs::run): Likewise.
3431         (Sized_relobj::do_scan_relocs): Likewise.
3432         * icf.cc (is_function_ctor_or_dtor): New function.
3433         (Icf::find_identical_sections): Check if function is ctor or dtor when
3434         safe icf is chosen.
3435         * options.h (General_options::icf): Change option to be an enum.
3436         (Icf_status): New enum.
3437         (icf_enabled): New method.
3438         (icf_safe_folding): New method.
3439         (set_icf_status): New method.
3440         (icf_status_): New variable.
3441         * (options.cc) (General_options::finalize): Set icf_status_.
3442         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3443         icf_test and icf_keep_unique_test to use the --icf enum flag.
3444         * testsuite/icf_safe_test.sh: New file.
3445         * testsuite/icf_safe_test.cc: New file. 
3447 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
3449         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3450         includes to gc.h and icf.h.
3451         * arm.cc: Include gc.h.
3452         * gold.cc: Likewise.
3453         * i386.cc: Likewise.
3454         * powerpc.cc: Likewise.
3455         * sparc.cc: Likewise.
3456         * x86_64.cc: Likewise.
3457         * gc.h: Include icf.h.
3459 2009-10-11  Ian Lance Taylor  <iant@google.com>
3461         * plugin.cc: Include "gold.h" before other header files.
3463 2009-10-10  Chris Demetriou  <cgd@google.com>
3465         * options.h (Input_file_argument::Input_file_type): New enum.
3466         (Input_file_argument::is_lib_): Replace with...
3467         (Input_file_argument::type_): New member.
3468         (Input_file_argument::Input_file_argument): Take Input_file_type
3469         'type' rather than boolean 'is_lib' as second argument.
3470         (Input_file_argument::is_lib): Use type_.
3471         (Input_file_argument::is_searched_file): New function.
3472         (Input_file_argument::may_need_search): Handle is_searched_file.
3473         * options.cc (General_options::parse_library): Support -l:filename.
3474         (General_options::parse_just_symbols): Update for Input_file_argument
3475         changes.
3476         (Command_line::process): Likewise.
3477         * archive.cc (Archive::get_file_and_offset): Likewise.
3478         * plugin.cc (Plugin_manager::release_input_file): Likewise.
3479         * script.cc (read_script_file, script_add_file): Likewise.
3480         * fileread.cc (Input_file::Input_file): Likewise.
3481         (Input_file::will_search_for): Handle is_searched_file.
3482         (Input_file::open): Likewise.
3483         * readsyms.cc (Read_symbols::get_name): Likewise.
3484         * testsuite/Makefile.am (searched_file_test): New test.
3485         * testsuite/Makefile.in: Regenerate.
3486         * testsuite/searched_file_test.cc: New file.
3487         * testsuite/searched_file_test_lib.cc: New file.
3489 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3490             Ian Lance Taylor  <iant@google.com>
3492         * descriptor.cc: Include <cstdio> and "binary-io.h".
3493         (Descriptors::open): Open the files in binary mode always.
3494         * script.cc (Lex::get_token): Treat \r as whitespace.
3496 2009-10-09  Ian Lance Taylor  <iant@google.com>
3498         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3500 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3501             Ian Lance Taylor  <iant@google.com>
3503         * configure.ac: Check for readv function also.
3504         * fileread.cc (readv): Define if not HAVE_READV.
3505         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3506         does not exist.
3507         * config.in: Regenerate.
3508         * configure: Regenerate.
3510 2009-10-09  Doug Kwan  <dougkwan@google.com>
3512         * layout.cc (Layout::make_output_section): Call target hook to make
3513         ordinary output section.
3514         (Layout::finalize): Adjust parameter list of call the
3515         Target::may_relax().
3516         * layout.h (class Layout::section_list): New method.
3517         * merge.h (Output_merge_base::entsize): Change visibility to public.
3518         (Output_merge_base::is_string, Output_merge_base::do_is_string):
3519         New methods.
3520         (Output_merge_string::do_is_string): New method.
3521         * object.cc (Sized_relobj::do_setup): renamed from
3522         Sized_relobj::set_up.
3523         * object.h (Sized_relobj::adjust_shndx,
3524         Sized_relobj::initializ_input_to_output_maps,
3525         Sized_relobj::free_input_to_output_maps): Change visibilities to
3526         protected.
3527         (Sized_relobj::setup): Virtualize.
3528         (Sized_relobj::do_setup): New method declaration.
3529         (Sized_relobj::invalidate_section_offset,
3530         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3531         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3532         * options.cc (parse_int): New function.
3533         * options.h (parse_int): New declaration.
3534         (DEFINE_int): New macro.
3535         (stub_group_size): New option.
3536         * output.cc (Output_section::Output_section): Initialize memebers
3537         merge_section_map_, merge_section_by_properties_map_,
3538         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3539         (Output_section::add_input_section): Handled deferred code-fill
3540         generation and remove an old comment.
3541         (Output_section::add_relaxed_input_section): New method definition.
3542         (Output_section::add_merge_input_section): Use merge section by
3543         properties map to speed to search.  Update merge section maps
3544         as appropriate.
3545         (Output_section::build_relaxation_map): New method definition.
3546         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3547         Same.
3548         (Output_section::relax_input_section): Renamed to
3549         Output_section::convert_input_sections_to_relaxed_sections and change
3550         interface to take a vector of pointers to relaxed sections.
3551         (Output_section::find_merge_section,
3552         Output_section::find_relaxed_input_section): New method definitions.
3553         (Output_section::is_input_address_mapped,
3554         Output_section::output_offset, Output_section::output_address):
3555         Use output section data maps to speed up searching.
3556         (Output_section::find_starting_output_address): Add comments.
3557         (Output_section::do_write,
3558         Output_section::write_to_postprocessing_buffer): Do code-fill
3559         generation as appropriate.
3560         (Output_section::get_input_sections): Invalidate relaxed input section
3561         map.
3562         (Output_section::restore_states): Adjust type of checkpoint .
3563         Invalidate relaxed input section map.
3564         * output.h (Output_merge_base): New class declaration.
3565         (Input_section_specifier): New class defintion.
3566         (class Output_relaxed_input_section) Change base class to
3567         Output_section_data_build.
3568         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3569         base class initializer.
3570         (Output_section::add_relaxed_input_section): New method declaration.
3571         (Output_section::Input_section): Change visibility to protected.
3572         (Output_section::Input_section::relobj,
3573         Output_section::Input_section::shndx): Handle relaxed input sections.
3574         Output_section::input_sections) Change visibility to protected.  Also
3575         define overload to return a non-const pointer.
3576         (Output_section::Merge_section_properties): New class defintion.
3577         (Output_section::Merge_section_by_properties_map,
3578         Output_section::Output_section_data_by_input_section_map,
3579         Output_section::Relaxation_map): New types.
3580         (Output_section::relax_input_section): Rename method to
3581         Output_section::convert_input_sections_to_relaxed_sections and change
3582         interface to take a vector of relaxed section pointers.
3583         (Output_section::find_merge_section,
3584         Output_section::find_relaxed_input_section,
3585         Output_section::build_relaxation_map,
3586         Output_section::convert_input_sections_in_list_to_relaxed_sections):
3587         New method declarations.
3588         (Output_section::merge_section_map_
3589         Output_section::merge_section_by_properties_map_,
3590         Output_section::relaxed_input_section_map_,
3591         Output_section::is_relaxed_input_section_map_valid_,
3592         Output_section::generate_code_fills_at_write_): New data members.
3593         * script-sections.cc
3594         (Output_section_element_input::set_section_addresses): Call
3595         current_data_size and addralign methods of relaxed input sections.
3596         (Orphan_output_section::set_section_addresses): Call current_data_size
3597         and addralign methods of relaxed input sections.
3598         * symtab.cc (Symbol_table::compute_final_value): Extract template
3599         from the body of Symbol_table::sized_finalize_symbol.
3600         (Symbol_table::sized_finalized_symbol): Call
3601         Symbol_table::compute_final_value.
3602         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3603         (Symbol_table::compute_final_value): New templated method declaration.
3604         * target.cc (Target::do_make_output_section): New method defintion.
3605         * target.h (Target::make_output_section): New method declaration.
3606         (Target::relax): Add more parameters for input objects, symbol table
3607         and layout.  Adjust call to do_relax.
3608         (Target::do_make_output_section): New method declaration.
3609         (Target::do_relax): Add parameters for input objects, symbol table
3610         and layout.
3612 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3614         * pread.c: Include stdio.h.
3616 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3618         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3619         defined.
3621 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3623         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3624         Change read_shndx type to unsigned int.
3625         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3626         int.
3627         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3628         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3629         Change read_shndx type to unsigned int.
3630         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3631         int.
3632         (Sized_dwarf_line_info::read_line_mappings): Likewise.
3633         * layout.cc (Layout::create_symtab_sections): Cast the result of
3634         local_symcount * symsize to off_t in the gold_assert.
3636 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3638         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3639         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3640         R_ARM_BASE_ABS.
3641         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3642         (Arm_relocate_functions::thm_abs5): New function.
3643         (Arm_relocate_functions::abs12): New function.
3644         (Arm_relocate_functions::abs16): New function.
3645         (Arm_relocate_functions::base_abs): New function.
3646         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3647         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
3648         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3649         R_ARM_BASE_ABS.
3650         (Scan::global): Likewise.
3651         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3652         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3653         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3654         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3655         R_ARM_BASE_ABS.
3657 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3659         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3660         (Arm_relocate_functions::movt_prel): New function.
3661         (Arm_relocate_functions::thm_movw_prel_nc): New function.
3662         (Arm_relocate_functions::thm_movt_prel): New function.
3663         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3664         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3665         (Scan::global, Relocate::relocate): Likewise.
3666         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3668 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3670         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3671         Incremental_checker.
3672         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3673         unsigned int.
3674         (class Incremental_inputs_header): New class.
3675         (Incremental_inputs_header_writer): Edit comment.
3676         (Incremental_inputs_entry): New class.
3677         (Incremental_inputs_entry_writer): Edit comment.
3678         (Sized_incremental_binary::do_find_incremental_inputs_section):
3679         Add *strtab_shndx parameter, fill it.
3680         (Sized_incremental_binary::do_check_inputs): New method.
3681         (Incremental_checker::can_incrementally_link_output_file): Use
3682         Sized_incremental_binary::check_inputs.
3683         (Incremental_inputs::report_command_line): Save command line in
3684         command_line_.
3685         * incremental.h:
3686         (Incremental_binary::find_incremental_inputs_section): New
3687         method.
3688         (Incremental_binary::do_find_incremental_inputs_section): Add
3689         strtab_shndx parameter.
3690         (Incremental_binary::do_check_inputs): New pure virtual method.
3691         (Sized_incremental_binary::do_check_inputs): Declare.
3692         (Incremental_checker::Incremental_checker): Add incremental_inputs
3693         parameter, use it to initialize incremental_inputs_.
3694         (Incremental_checker::incremental_inputs_): New field.
3695         (Incremental_checker::command_line): New method.
3696         (Incremental_checker::inputs): New method.
3697         (Incremental_checker::command_line_): New field.
3699 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
3701         * incremental.cc: Include <cstdarg> and "target-select.h".
3702         (vexplain_no_incremental): New function.
3703         (explain_no_incremental): New function.
3704         (Incremental_binary::error): New method.
3705         (Sized_incremental_binary::do_find_incremental_inputs_section): New
3706         method.
3707         (make_sized_incremental_binary): New function.
3708         (open_incremental_binary): New function.
3709         (can_incrementally_link_file): Add checks if output is ELF and has
3710         inputs section.
3711         * incremental.h: Include "elfcpp_file.h" and "output.h".
3712         (Incremental_binary): New class.
3713         (Sized_incremental_binary): New class.
3714         (open_incremental_binary): Declare.
3715         * object.cc (is_elf_object): Use
3716         elfcpp::Elf_recognizer::is_elf_file.
3717         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3718         * output.h (Output_file::filesize): New method.
3720 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3722         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3723         New function.
3724         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3725         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3726         function.
3727         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3728         function.
3729         (Arm_relocate_functions::movw_abs_nc): New function.
3730         (Arm_relocate_functions::movt_abs): New function.
3731         (Arm_relocate_functions::thm_movw_abs_nc): New function.
3732         (Arm_relocate_functions::thm_movt_abs): New function.
3733         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3734         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3735         (Scan::global): Likewise.
3736         (Relocate::relocate): Likewise.
3737         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3739 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3741         * arm.cc (Arm_relocate_functions::got_prel) New function.
3742         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3743         (Relocate::relocate): Likewise.
3744         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3746 2009-10-06  Ian Lance Taylor  <iant@google.com>
3748         * options.h (class General_options): Define
3749         split_stack_adjust_size parameter.
3750         * object.h (class Object): Add uses_split_stack_ and
3751         has_no_split_stack_ fields.  Add uses_split_stack and
3752         has_no_split_stack accessor functions.  Declare
3753         handle_split_stack_section.
3754         (class Reloc_symbol_changes): Define.
3755         (class Sized_relobj): Define Function_offsets.  Declare
3756         split_stack_adjust, split_stack_adjust_reltype, and
3757         find_functions.
3758         * object.cc (Object::handle_split_stack_section): New function.
3759         (Sized_relobj::do_layout): Call handle_split_stack_section.
3760         * dynobj.cc (Sized_dynobj::do_layout): Call
3761         handle_split_stack_section.
3762         * reloc.cc (Sized_relobj::relocate_sections): Call
3763         split_stack_adjust for executable sections in split_stack
3764         objects.  Pass reloc_map to relocate_section.
3765         (Sized_relobj::split_stack_adjust): New function.
3766         (Sized_relobj::split_stack_adjust_reltype): New function.
3767         (Sized_relobj::find_functions): New function.
3768         * target-reloc.h: Include "object.h".
3769         (relocate_section): Add reloc_symbol_changes parameter.  Change
3770         all callers.
3771         * target.h (class Target): Add calls_non_split method.  Declare
3772         do_calls_non_split virtual method.  Declare match_view and
3773         set_view_to_nop.
3774         * target.cc: Include "elfcpp.h".
3775         (Target::do_calls_non_split): New function.
3776         (Target::match_view): New function.
3777         (Target::set_view_to_nop): New function.
3778         * gold.cc (queue_middle_tasks): Give an error if mixing
3779         split-stack and non-split-stack objects with -r.
3780         * i386.cc (Target_i386::relocate_section): Add
3781         reloc_symbol_changes parameter.
3782         (Target_i386::do_calls_non_split): New function.
3783         * x86_64.cc (Target_x86_64::relocate_section): Add
3784         reloc_symbol_changes parameter.
3785         (Target_x86_64::do_calls_non_split): New function.
3786         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3787         parameter.
3788         * powerpc.cc (Target_powerpc::relocate_section): Add
3789         reloc_symbol_changes parameter.
3790         * sparc.cc (Target_sparc::relocate_section): Add
3791         reloc_symbol_changes parameter.
3792         * configure.ac: Call AM_CONDITIONAL for the default target.
3793         * configure: Rebuild.
3794         * testsuite/Makefile.am (TEST_AS): New variable.
3795         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3796         (check_DATA): Add split_i386 and split_x86_64 files.
3797         (SPLIT_DEFSYMS): Define.
3798         (split_i386_[1234n].o): New targets.
3799         (split_i386_[124]): New targets.
3800         (split_i386_[1234r].stdout): New targets.
3801         (split_x86_64_[1234n].o): New targets.
3802         (split_x86_64_[124]): New targets.
3803         (split_x86_64_[1234r].stdout): New targets.
3804         (MOSTLYCLEANFILES): Add new executables.
3805         * testsuite/split_i386.sh: New file.
3806         * testsuite/split_x86_64.sh: New file.
3807         * testsuite/split_i386_1.s: New file.
3808         * testsuite/split_i386_2.s: New file.
3809         * testsuite/split_i386_3.s: New file.
3810         * testsuite/split_i386_4.s: New file.
3811         * testsuite/split_i386_n.s: New file.
3812         * testsuite/split_x86_64_1.s: New file.
3813         * testsuite/split_x86_64_2.s: New file.
3814         * testsuite/split_x86_64_3.s: New file.
3815         * testsuite/split_x86_64_4.s: New file.
3816         * testsuite/split_x86_64_n.s: New file.
3817         * testsuite/testfile.cc (Target_test): Update relocation_section
3818         function.
3819         * testsuite/Makefile.in: Rebuild.
3821 2009-10-06  Ian Lance Taylor  <iant@google.com>
3823         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3824         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3825         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
3826         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3827         the address on ldo_addrs_.
3828         (Target_i386::Relocate::fix_up_ldo): New function.
3830 2009-10-06   Rafael Espindola  <espindola@google.com>
3832         * plugin.cc (add_input_library): New.
3833         (Plugin::load): Add add_input_library to tv.
3834         (Plugin_manager::add_input_file): Add the is_lib argument.
3835         (add_input_file): Update call to Plugin_manager::add_input_file.
3836         (add_input_library): New.
3837         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3839 2009-09-30  Doug Kwan  <dougkwan@google.com>
3841         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3842         symbol and call Symbol::may_need_copy_reloc to determine if
3843         a copy reloc is needed.
3844         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3845         nocopyreloc is given in command line.
3846         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3847         given in command line.
3848         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3849         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3850         of the removed Target_i386::may_need_copy_reloc.
3851         * options.h (copyreloc): New option with default value false.
3852         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3853         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3854         instead of the removed Target_powerpc::may_need_copy_reloc.
3855         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3856         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3857         instead of the removed Target_sparc::may_need_copy_reloc.
3858         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3859         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3860         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3861         instead of the removed Target_x86_64::may_need_copy_reloc.
3863 2009-09-30  Ian Lance Taylor  <iant@google.com>
3865         * object.h (class Object): Remove target_ field, and target,
3866         sized_target, and set_target methods.
3867         (Object::sized_target): Remove.
3868         (class Sized_relobj): Update declarations.  Remove sized_target.
3869         * object.cc (Sized_relobj::setup): Remove target parameter.
3870         Change all callers.
3871         (Input_objects::add_object): Don't do anything with the target.
3872         (make_elf_sized_object): Add punconfigured parameter.  Change all
3873         callers.  Set or test parameter target.
3874         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3875         Change all callers.
3876         * parameters.cc (Parameters::set_target): Change parameter type to
3877         be non-const.
3878         (Parameters::default_target): Remove.
3879         (set_parameters_target): Change parameter type to be non-const.
3880         (parameters_force_valid_target): New function.
3881         (parameters_clear_target): New function.
3882         * parameters.h (class Parameters): Update declarations.  Remove
3883         default_target method.  Add sized_target and clear_target
3884         methods.  Change target_ to be non-const.
3885         (set_parameters_target): Update declaration.
3886         (parameters_force_valid_target): Declare.
3887         (parameters_clear_target): Declare.
3888         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3889         as NULL if we aren't searching.
3890         (Add_symbols::run): Don't check for compatible target.
3891         * fileread.cc (Input_file::open_binary): Call
3892         parameters_force_valid_target.
3893         * gold.cc (queue_middle_tasks): Likewise.
3894         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
3895         set_target on object.
3896         * dynobj.h (class Sized_dynobj): Update declarations.
3897         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3898         make_elf_object returns NULL.
3899         (Archive::include_member): Don't check whether object target is
3900         compatible.
3901         * output.cc (Output_section::add_input_section): Get target from
3902         parameters.
3903         (Output_section::relax_input_section): Likewise.
3904         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3905         parameters.
3906         (Sized_relobj::do_scan_relocs): Likewise.
3907         (Sized_relobj::relocate_sections): Likewise.
3908         * resolve.cc (Symbol_table::resolve): Likewise.
3909         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
3910         parameter.  Change all callers.
3911         (Symbol_table::add_from_object): Get target from parameters.
3912         (Symbol_table::add_from_relobj): Don't check object target.
3913         (Symbol_table::add_from_dynobj): Likewise.
3914         (Symbol_table::define_special_symbol): Get target from
3915         parameters.
3916         * symtab.h (class Symbol_table): Update declaration.
3917         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3918         parameter.  Change all callers.  Clear parameter target.
3919         (Binary_test): Test target here.
3920         * testsuite/object_unittest.cc (gold_testsuite): Remove
3921         target_test_pointer parameter.  Change all callers.
3922         (Object_test): Test target here.
3924 2009-09-26  Ian Lance Taylor  <iant@google.com>
3926         * testsuite/initpri1.c: Don't try to use constructor priorities if
3927         compiling with gcc before 4.3.
3929 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
3931         * testsuite/retain_symbols_file_test.sh (check_present): Change
3932         output file name to retain_symbols_file_test.stdout.
3933         (check_absent): Likewise.
3935 2009-09-18  Craig Silverstein  <csilvers@google.com>
3937         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3938         * options.cc: Include <cerrno> and <fstream>.
3939         (General_options::finalize): Parse -retain-symbols-file tag.
3940         * options.h: New flag.
3941         (General_options): New method should_retain_symbol, new
3942         variable symbols_to_retain.
3943         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3944         should_retain_symbol map.
3945         * testsuite/Makefile.am (retain_symbols_file_test): New test.
3946         * testsuite/Makefile.in: Regenerate.
3947         * testsuite/retain_symbols_file_test.sh: New file.
3949 2009-09-18  Nick Clifton  <nickc@redhat.com>
3951         * po/es.po: Updated Spanish translation.
3953 2009-09-17  Doug Kwan  <dougkwan@google.com>
3955         * debug.h (DEBUG_RELAXATION): New constant.
3956         (DEBUG_ALL): Add DEBUG_RELAXATION.
3957         (debug_string_to_enum): Add relaxation debug option.
3958         * layout.cc
3959         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3960         Layout::Relaxation_debug_check::read_sections,
3961         Layout::Relaxation_debug_check::read_sections): New method definitions.
3962         (Layout::Layout): Initialize data members
3963         record_output_section_data_from_scrips_,
3964         script_output_section_data_list_ and relaxation_debug_check_.
3965         (Layout::save_segments, Layout::restore_segments,
3966         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3967         Layout::relaxation_loop_body): New method definitions.
3968         (Layout::finalize): Support relaxation.  Move section layout code to
3969         Layout::relaxation_loop_body.
3970         (Layout::set_asection_address_from_script): Move code for orphan
3971         section placement out.
3972         (Layout::place_orphan_sections_in_script): New method definition.
3973         * layout.h (Output_segment_headers, Output_file_header):
3974         New forward class declarations.
3975         (Layout::~Layout): Define.
3976         (Layout::new_output_section_data_from_script): New method definition.
3977         (Layout::place_orphan_sections_in_script): New method declaration.
3978         (Layout::Segment_states): New type declaration.
3979         (Layout::save_segments, Layout::restore_segments,
3980         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3981         Layout::relaxation_loop_body): New method declarations.
3982         (Layout::Output_section_data_list): New type declaration.
3983         (Layout::Relaxation_debug_check): New class definition.
3984         (Layout::record_output_section_data_from_script_,
3985         Layout::script_output_section_data_list_, Layout::segment_states_,
3986         Layout::relaxation_debug_check_): New data members.
3987         * output.cc: (Output_section_headers::do_size): New method definition.
3988         (Output_section_headers::Output_section_headers): Move size
3989         computation to Output_section_headers::do_size.
3990         (Output_segment_headers::do_size): New method definition.
3991         (Output_file_header::Output_file_header): Move size computation to 
3992         Output_file_header::do_size and call it.
3993         (Output_file_header::do_size): New method definition.
3994         (Output_data_group::Output_data_group): Adjust call to
3995         Output_section_data.
3996         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3997         (Output_symtab_xindex::do_write): Add array bound check.
3998         (Output_section::Input_section::print_to_mapfile): Handle
3999         RELAXED_INPUT_SECTION_CODE.
4000         (Output_section::Output_section): Initialize data member checkpoint_.
4001         (Output_section::~Output_section): Delete checkpoint object pointed
4002         by checkpoint_.
4003         (Output_section::add_input_section): Always add an Input_section if
4004         relaxing.
4005         (Output_section::add_merge_input_section): Add assert.
4006         (Output_section::relax_input_section): New method definition.
4007         (Output_section::set_final_data_size): Set load address to zero for
4008         an unallocated section.
4009         (Output_section::do_address_and_file_offset_have_reset_values):
4010         New method definition.
4011         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4012         Handle relaxed input section.
4013         (Output_section::sort_attached_input_sections): Checkpoint input
4014         section list lazily.
4015         (Output_section::get_input_sections): Change type of input_sections to
4016         list of Simple_input_section pointers.  Checkpoint input section list
4017         lazily.  Also handle relaxed input sections.
4018         (Output_section::add_input_section_for_script): Take a reference to
4019         a Simple_input_section object instead of Relobj pointer and section
4020         index as parameter.  Handle relaxed input sections.
4021         (Output_section::save_states, Output_section::restore_states): New
4022         method definitions.
4023         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4024         (Output_data::is_data_size_fixed): New method definition.
4025         (Output_data::reset_addresss_and_file_offset): Do not reset data size
4026         if it is fixed.
4027         (Output_data::address_and_file_offset_have_reset_values): New method
4028         definition.
4029         (Output_data::do_address_and_file_offset_have_reset_values): New method
4030         definition.
4031         (Output_data::set_data_size): Check that data size is not fixed.
4032         (Output_data::fix_data_size): New method definition.
4033         (Output_data::is_data_size_fixed_): New data member.
4034         (Output_section_headers::set_final_data_size): New method definition.
4035         (Output_section_headers::do_size): New method declaration.
4036         (Output_segment_headers::set_final_data_size): New method definition.
4037         (Output_segment_headers::do_size): New method declaration.
4038         (Output_file_header::set_final_data_size)::New method definition.
4039         (Output_file_header::do_size)::New method declaration.
4040         (Output_section_data::Output_section_data): Add new parameter
4041         is_data_size_fixed and use it to fix data size.
4042         (Output_data_const::Output_data_const): Adjust call to base class
4043         constructor and fix data size.
4044         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4045         base class constructor and fix data size.
4046         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4047         base class constructor and fix data size.
4048         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4049         class constructor and fix data size.
4050         (Output_data_group::set_final_data_size): New method definition.
4051         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4052         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4053         class constructor and fix data size.
4054         (Output_relaxed_input_section): New class definition.
4055         (Output_section::Simple_input_section): New class definition.
4056         (Output_section::get_input_sections): Adjust parameter list.
4057         (Output_section::add_input_section_for_script): Same.
4058         (Output_section::save_states, Output_section::restore_states,
4059         Output_section::do_address_and_file_offset_have_reset_values,
4060         (Output_section::Input_section::Input_section): Handle
4061         RELAXED_INPUT_SECTION_CODE.  Add new overload for
4062         Output_relaxed_input_section.
4063         (Output_section::Input_section::is_input_section,
4064         Output_section::Input_section::set_output_section): Handle relaxed
4065         input section.
4066         (Output_section::Input_section::is_relaxed_input_section,
4067         Output_section::Input_section::output_section_data,
4068         Output_section::Input_section::relaxed_input_section): New method
4069         definitions.
4070         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4071         value.
4072         (Output_section::Input_section::u1_): Update comments.
4073         (Output_section::Input_section::u2_): Add new union member poris.
4074         (Output_section::Checkpoint_output_section): New classs definition.
4075         (Output_section::relax_input_section): New method declaration.
4076         (Output_section::checkpoint_): New data member.
4077         (Output_segment): Update comments.
4078         (Output_segment::Output_segment): Un-privatize copy constructor.
4079         (Output_segment::operator=): Un-privatize.
4080         * script-sections.cc (Output_section_element::Input_section_list):
4081         Change element type to Output_section::Simple_input_section.
4082         (Output_section_element_dot_assignment::set_section_addresses):
4083         Register output section data for relaxation clean up.
4084         (Output_data_exression::Output_data_expression): Adjust call to base
4085         constructor to fix data size.
4086         (Output_section_element_data::set_section_addresses): Register
4087         Output_data_expression object for relaxation clean up.
4088         (struct Input_section_info): Replace Relobj pointer and section index
4089         pair with Output_section::Simple_input_section and Convert struct to a
4090         class.
4091         (Input_section_sorter::operator()): Adjust access to
4092         Input_section_info data member to use accessors. 
4093         (Output_section_element_input::set_section_addresses): Use layout
4094         parameter.  Adjust code to use Output_section::Simple_input_section
4095         and Input_secction_info classes.  Register filler for relaxation
4096         clean up.
4097         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4098         and section index pair with Output_section::Simple_input_section
4099         class.  Adjust code accordingly.
4100         (Phdrs_element::release_segment): New method definition.
4101         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4102         segment list.
4103         (Script_sections::release_segments): New method definition.
4104         * gold/script-sections.h (Script_sections::release_segments): New
4105         method declaration.
4106         * gold/target.h (Target::may_relax, Target::relax,
4107         Target::do_may_relax, Target::do_relax): New method definitions.
4109 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4111         * arm.cc (has_signed_unsigned_overflow): New function.
4112         (Arm_relocate_functions::abs8): New function.
4113         (Target_arm::Scan::local): Handle R_ARM_ABS8.
4114         (Target_arm::Scan::global): Likewise.
4115         (Target_arm::relocate::relocate): Likewise.
4116         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4117         Likewise.
4119 2009-09-16  Cary Coutant  <ccoutant@google.com>
4121         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4122         * testsuite/Makefile.in: Regenerate.
4124 2009-09-11  Nick Clifton  <nickc@redhat.com>
4126         * po/gold.pot: Updated by the Translation project.
4128 2009-09-08  Cary Coutant  <ccoutant@google.com>
4130         * output.cc (Output_file::open): Add execute permission to empty file.
4131         * testsuite/Makefile.am (permission_test): New test.
4132         * testsuite/Makefile.in: Regenerate.
4134 2009-09-02  Ian Lance Taylor  <iant@google.com>
4136         * output.cc (Output_file::resize): Call map_no_anonymous rather
4137         than map.
4139 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
4141         * gold.cc: Include "incremental.h".
4142         (queue_initial_tasks): Call Incremental_checker methods.
4143         * incremental.cc: Include "output.h".
4144         (Incremental_checker::can_incrementally_link_output_file): New
4145         method.
4146         * incremental.h (Incremental_checker): New class.
4148         * output.cc (Output_file::open_for_modification): New method.
4149         (Output_file::map_anonymous): Changed return type to bool.  Record
4150         map in base_ field.
4151         (Output_file::map_no_anonymous): New method, broken out of map.
4152         (Output_file::map): Use map_no_anonymous and map_anonymous.
4153         * output.h (class Output_file): Update declarations.
4155 2009-08-24  Cary Coutant  <ccoutant@google.com>
4157         * options.h (Command_line::Pre_options): New class.
4158         (Command_line::pre_options): New member.
4159         * options.cc (gold::options::ready_to_register): New variable.
4160         (One_option::register_option): Do nothing if not registering options.
4161         Assert if same short option registered twice.
4162         (General_options::General_options): Turn off option registration when
4163         done constructing.
4164         (Command_line::Pre_options::Pre_options): New constructor.
4166 2009-08-24  Cary Coutant  <ccoutant@google.com>
4168         * options.h (General_options::no_keep_memory): Remove incorrect
4169         short option.
4171 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4173         * Makefile.am (am__skiplex, am__skipyacc): New.
4174         * Makefile.in: Regenerate.
4176 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4178         * Makefile.am (AM_CPPFLAGS): Renamed from ...
4179         (INCLUDES): ... this.
4180         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4181         (AM_CPPFLAGS): Renamed from ...
4182         (INCLUDE): ... this.
4183         * Makefile.in, testsuite/Makefile.in: Regenerate.
4185         * Makefile.in: Regenerate.
4186         * aclocal.m4: Likewise.
4187         * config.in: Likewise.
4188         * configure: Likewise.
4189         * testsuite/Makefile.in: Likewise.
4191         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4192         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4193         * Makefile.in: Regenerate.
4194         * testsuite/Makefile.in: Regenerate.
4196 2009-08-19  Cary Coutant  <ccoutant@google.com>
4198         * resolve.cc (Symbol_table::resolve): Don't complain about defined
4199         symbols in shared libraries overridden by hidden or internal symbols
4200         in the main program.
4202 2009-08-19  Chris Demetriou  <cgd@google.com>
4204         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4205         checking source file names in error messages.
4207 2009-08-18  Doug Kwan  <dougkwan@google.com>
4209         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4210         an elcpp::Ehdr as parameter.  Adjust call to set_target.
4211         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4212         an elfcpp::Ehdr as parameter.
4213         * object.cc (Object::set_target): Remove the version that looks up
4214         a target and sets it.
4215         (Sized_relobj::setup): Take a Target object instead of
4216         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
4217         (make_elf_sized_object): Find target and ask target to
4218         make an ELF object.
4219         * object.h: (Object::set_target): Remove the version that looks up
4220         a target and sets it.
4221         (Sized_relobj::setup): Take a Target object instead of
4222         an elfcpp:Ehdr as parameter.
4223         * target.cc: Include dynobj.h.
4224         (Target::do_make_elf_object_implementation): New.
4225         (Target::do_make_elf_object): New.
4226         * target.h (Target::make_elf_object): New template declaration.
4227         (Target::do_make_elf_object): New method declarations.
4228         (Target::do_make_elf_object_implementation): New template declaration.
4230 2009-08-14  Ian Lance Taylor  <iant@google.com>
4232         * gold.h (FUNCTION_NAME): Define.
4233         (gold_unreachable): Use FUNCTION_NAME.
4235 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4237         * icf.cc (Icf::find_identical_sections): Issue a warning when a
4238         symbol in the --keep-unique list is not found.
4240 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
4242         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4243         been maked as --keep-unique.
4244         (Icf::unfold_section): New function.
4245         * icf.h (Icf::unfold_section): New function.
4246         * options.h (General_options::keep_unique): New option.
4247         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4248         * testsuite/Makefile.in: Regenerate.
4249         * testsuite/icf_keep_unique_test.sh: New file.
4250         * testsuite/icf_keep_unique_test.cc: New file.
4252 2009-08-12  Cary Coutant  <ccoutant@google.com>
4254         PR 10471
4255         * resolve.cc (Symbol_table::resolve): Check for references from
4256         dynamic objects to hidden and internal symbols.
4257         * testsuite/Makefile.am (hidden_test.sh): New test.
4258         * testsuite/Makefile.in: Regenerate.
4259         * testsuite/hidden_test.sh: New script.
4260         * testsuite/hidden_test_1.c: New test source.
4261         * testsuite/hidden_test_main.c: New test source.
4263 2009-08-11  Doug Kwan  <dougkwan@google.com>
4265         * arm.cc: Update comments.
4266         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4267         segment to locate the .ARM.exidx section if present.
4269 2009-08-09  Doug Kwan  <dougkwan@google.com>
4271         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4272         patch.
4274 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
4275         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4276         compiler warnings.
4278 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
4280         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4281         valid tls_segment only for non-debug-section relocations.
4282         * testsuite/Makefile.am: Add gc_tls_test.
4283         * testsuite/Makefile.in: Regenerate.
4284         * testsuite/gc_tls_test.cc: New file.
4285         * testsuite/gc_tls_test.sh: New file.
4287 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
4288         
4289         * icf.cc: New file.
4290         * icf.h: New file.
4291         * Makefile.am (CCFILES): Add icf.cc.
4292         (HFILES): Add icf.h
4293         * Makefile.in: Regenerate.
4294         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4295         * gc.h (gc_process_relocs): Populate lists used by icf to contain
4296         section, symbol and addend information for the relocs.
4297         * gold.cc (queue_middle_tasks): Call identical code folding.
4298         * gold.h: Add defines for multimap.
4299         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4300         to the call of finalize_local_symbols.
4301         * main.cc (main): Create object of class Icf.
4302         * object.cc (Sized_relobj::do_layout): Allow this function to be
4303         called twice during icf.
4304         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4305         to sections marked as identical by icf.
4306         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4307         when available.
4308         (Sized_relobj::do_section_entsize): New function.
4309         * object.h (Object::section_entsize): New function.
4310         (Object::do_section_entsize): New pure virtual function.
4311         (Relobj::finalize_local_symbols): Add new parameter.
4312         (Relobj::do_section_entsize): New function.
4313         * options.h (General_options::icf): New option.
4314         (General_options::icf_iterations): New option.
4315         (General_options::print_icf_sections): New option.
4316         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4317         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4318         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4319         icf.
4320         * symtab.cc (Symbol_table::is_section_folded): New function.
4321         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
4322         to sections marked as identical by icf.
4323         * symtab.h (Symbol_table::set_icf): New function.
4324         (Symbol_table::icf): New function.
4325         (Symbol_table::is_section_folded): New function.
4326         (Symbol_table::icf_): New data member.
4327         * target-reloc.h (relocate_section): Ignore sections folded by icf.
4328         * testsuite/Makefile.am: Add commands to build icf_test.
4329         * testsuite/Makefile.in: Regenerate.
4330         * testsuite/icf_test.sh: New file.
4331         * testsuite/icf_test.cc: New file.
4333 2009-07-24  Chris Demetriou  <cgd@google.com>
4335         * layout.cc (is_compressible_debug_section): Fix incorrect
4336         comment about compressed section names.
4338 2009-07-20  Ian Lance Taylor  <ian@airs.com>
4340         PR 10419
4341         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4343 2009-07-16  Ian Lance Taylor  <iant@google.com>
4345         PR 10400
4346         * layout.h: #include <map>.
4347         (class Kept_section): Change from struct to class.  Add accessors
4348         and setters.  Add section size to Comdat_group mapping.  Change
4349         Comdat_group to std::map.  Add is_comdat_ field.  Add
4350         linkonce_size field in union.
4351         (class Layout): Update declaration of find_or_add_kept_section.
4352         Don't declare find_kept_object.
4353         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4354         parameter.  Add object, shndx, is_comdat, and is_group_name
4355         parameters.  Change all callers.  Adjust for new Kept_section.
4356         (Layout::find_kept_object): Remove.
4357         * object.cc (Sized_relobj::include_section_group): Update use of
4358         Kept_section.  Rename secnum to shndx.  Only record
4359         Kept_comdat_section if sections are the same size.
4360         (Sized_relobj::include_linkonce_section): Update use of
4361         Kept_section.  Only record Kept_comdat_section if sections are the
4362         same size.  Set size of linkonce section.
4363         (Sized_relobj::map_to_kept_section): Update call to
4364         get_kept_comdat_section.
4365         * object.h (class Sized_relobj): Rename fields in
4366         Kept_comdat_section to drop trailing underscores; change object
4367         field to Relobj*.  Change Kept_comdat_section_table to store
4368         struct rather than pointer.
4369         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4370         Add kept_object and kept_shndx parameters.  Change all callers.
4371         (Sized_relobj::get_kept_comdat_section): Change return type to
4372         bool.  Add kept_object and kept_shndx parameters.  Change all
4373         callers.
4374         * plugin.cc (Pluginobj::include_comdat_group): Update call to
4375         Layout::find_or_add_kept_section.
4377 2009-07-09  Ian Lance Taylor  <iant@google.com>
4379         * merge.cc (Object_merge_map::initialize_input_to_output_map):
4380         Reserve space in the hash table.
4382 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
4384         * fileread.cc (File_read::get_mtime): New method.
4385         * fileread.h (Timespec): New structure.
4386         (File_read::get_mtime): New method.
4387         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4388         Renamed from timestamp_nsec.
4389         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4390         Elf_Xword.
4391         (Incremental_inputs_entry_write::timestamp_usec): Renamed from 
4392         timestamp_nsec.
4393         (Incremental_inputs::report_archive): Save mtime; style fix. 
4394         (Incremental_inputs::report_obejct): Save mtime; style fix.
4395         (Incremental_inputs::report_script): Save mtime; style fix.
4396         (Incremental_inputs::finalize_inputs): Style fix.
4397         (Incremental_inputs::finalize): Style fix.
4398         (Incremental_inputs::create_input_section_data): Store inputs
4399         mtime.
4400         * incremental.h (Incremental_inputs::report_script): Add mtime
4401         argument.
4402         (Incremental_inputs::Input_info::Input_info): Intialize only one
4403         union member.
4404         (Incremental_inputs::Input_info::archive): Move to nameless
4405         union.
4406         (Incremental_inputs::Input_info::obejct): Move to nameless union.
4407         (Incremental_inputs::Input_info::script): Move to nameless union.
4408         (Incremental_inputs::mtime): New field.
4409         * script.cc (read_input_script): Pass file mtime to
4410         Incremental_input.
4411         * script.h (Script_info::inputs): Style fix.
4413 2009-07-01  Ian Lance Taylor  <ian@airs.com>
4415         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4416         instead of 32.
4418 2009-06-24  Ian Lance Taylor  <iant@google.com>
4420         PR 10156
4421         * layout.cc (Layout::choose_output_section): If we find an
4422         existing section, update the flags.
4423         (Layout::create_notes): New function, broken out of
4424         Layout::finalize.
4425         (Layout::finalize): Don't create note sections.
4426         (Layout::create_note): Don't crash if linker script discards
4427         section.
4428         (Layout::create_gold_note): Likewise.
4429         (Layout::create_build_id): Likewise.  Don't set
4430         after_input_sections on the section.
4431         (Layout::create_executable_stack_info): Remove target parameter.
4432         Change caller.
4433         * layout.h (class Layout): Declare create_notes.  Update
4434         declaration of create_executable_stack_info.
4435         * gold.cc (queue_middle_tasks): Call create_notes.
4436         * output.cc (Output_section::update_flags_for_input_section): Move
4437         here from output.h.  If SHF_ALLOC flag is newly set, mark address
4438         invalid.
4439         * output.h (Output_data::mark_address_invalid): New function.
4440         (class Output_section): Only declare, not define,
4441         update_flags_for_input_section.  Remove set_flags.
4443 2009-06-24  Ian Lance Taylor  <iant@google.com>
4445         * script-sections.cc (Output_section_definition::
4446         set_section_addresses): Rename shadowing local load_address to
4447         laddr.
4449 2009-06-24  Ian Lance Taylor  <iant@google.com>
4451         PR 10244
4452         * reloc.cc (relocate_sections): Skip empty relocation sections.
4454 2009-06-23  Ian Lance Taylor  <iant@google.com>
4456         PR 10156
4457         * layout.cc (Layout::create_note): Use choose_output_section
4458         rather than make_output_section.
4460 2009-06-23  Ian Lance Taylor  <iant@google.com>
4462         PR 10237
4463         * options.cc (General_options::parse_V): Set printed_version_.
4464         (General_options::General_options): Initialize printed_version_.
4465         * options.h (class General_options): Add printed_version_ field.
4466         * gold.cc (queue_initial_tasks): If there are no input files,
4467         don't give a fatal error if we printed the version information.
4468         (queue_middle_tasks): If using -r with a shared object, give a
4469         fatal error rather than an ordinary error.
4471 2009-06-23  Ian Lance Taylor  <iant@google.com>
4473         PR 10219
4474         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4475         (Layout::make_output_section): Set have_stabstr_section_ if we see
4476         a .stab*str section.
4477         (Layout::finalize): Call link_stabs_sections.
4478         (Layout::link_stabs_sections): New file.
4479         * layout.h (class Layout): Add have_stabstr_section_ field.
4480         Declare link_stabs_sections.
4482 2009-06-23  Doug Kwan  <dougkwan@google.com>
4484         * Makefile.am (libgold_a_LIBADD): New.
4485         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4486         * Makefile.in: Regenerate.
4487         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4488         * configure: Regenerate.
4489         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4490         * fileread.cc: Include sys/state.h
4491         * gold.h: Declare memmem and strndup if found missing.
4492         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4494 2009-06-23  Ian Lance Taylor  <iant@google.com>
4496         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4497         * configure: Rebuild.
4499 2009-06-23  Ian Lance Taylor  <iant@google.com>
4501         PR 10147
4502         * object.cc (Object::section_contents): Don't try to get a view if
4503         the section has length zero.
4504         (Object::handle_gnu_warning_section): If the section is empty, use
4505         the name of the section as the warning.
4507 2009-06-23  Ian Lance Taylor  <iant@google.com>
4509         PR 10133
4510         * stringpool.h (class Stringpool_template): Add optimize_ field.
4511         (Stringpool_template::set_optimize): New function.
4512         * stringpool.cc (Stringpool_template::Stringpool_template):
4513         Initialize optimize_ field.
4514         (Stringpool_template::set_string_offsets): Test local optimize
4515         fild rather than parameter.
4516         * layout.cc (Layout::Layout): Call set_optimize on the section
4517         name stringpool.
4519 2009-06-22  Ian Lance Taylor  <iant@google.com>
4521         PR 10030
4522         * yyscript.y: Parse TARGET.
4523         * script.cc (script_set_target): New function.
4524         * script-c.h (script_set_target): Declare.
4525         * options.cc (General_options::string_to_object_format): Rename
4526         from string_to_object_format in anonymous namespace.  Change
4527         callers.
4528         * options.h (class General_options): Declare
4529         string_to_object_format.
4531 2009-06-22  Ian Lance Taylor  <iant@google.com>
4533         * script-sections.cc (Script_sections::create_segments): Don't put
4534         program headers in a PT_LOAD segment if -n or -N.
4536 2009-06-22  Ian Lance Taylor  <iant@google.com>
4538         PR 10141
4539         * options.h (class General_options): Add -z lazy and -z now.  Sort
4540         -z options into alphabetical order.
4541         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4543 2009-06-21  Ian Lance Taylor  <iant@google.com>
4545         * layout.cc (Layout::make_output_section): Call
4546         Target::new_output_section.
4547         (Layout::attach_allocated_section_to_segment): Put large section
4548         sections in a separate load segment with the large segment flag
4549         set.
4550         (Layout::segment_precedes): Sort large data segments after other
4551         load segments.
4552         (align_file_offset): New static function.
4553         (Layout::set_segment_offsets): Use align_file_offset.
4554         * output.h (class Output_section): Add is_small_section_ and
4555         is_large_section_ fields.
4556         (Output_section::is_small_section): New function.
4557         (Output_section::set_is_small_section):  New function.
4558         (Output_section::is_large_section): New function.
4559         (Output_section::set_is_large_section): New function.
4560         (Output_section::is_large_data_section): New function.
4561         (class Output_segment): Add is_large_data_segment_ field.
4562         (Output_segment::is_large_data_segment): New function.
4563         (Output_segment::set_is_large_data_segment): New function.
4564         * output.cc (Output_section::Output_section): Initialize new
4565         fields.
4566         (Output_segment::Output_segment): Likewise.
4567         (Output_segment::add_output_section): Add assertion that large
4568         data sections always go in large data segments.  Force small data
4569         sections to the end of the list of data sections.  Force small BSS
4570         sections to the start of the list of BSS sections.  For large BSS
4571         sections to the end of the list of BSS sections.
4572         * symtab.h (class Symbol): Declare is_common_shndx.
4573         (Symbol::is_defined): Check Symbol::is_common_shndx.
4574         (Symbol::is_common): Likewise.
4575         (class Symbol_table): Define enum Commons_section_type.  Update
4576         declarations.  Add small_commons_ and large_commons_ fields.
4577         * symtab.cc (Symbol::is_common_shndx): New function.
4578         (Symbol_table::Symbol_table): Initialize new fields.
4579         (Symbol_table::add_from_object): Put small and large common
4580         symbols in the right list.
4581         (Symbol_table::sized_finalized_symbol): Check
4582         Symbol::is_common_shndx.
4583         (Symbol_table::sized_write_globals): Likewise.
4584         * common.cc (Symbol_table::do_allocate_commons): Allocate new
4585         common symbol lists.  Don't call do_allocate_commons_list if the
4586         list is empty.
4587         (Symbol_table::do_allocate_commons_list): Remove is_tls
4588         parameter.  Add comons_section_type parameter.  Change all
4589         callers.  Handle small and large common symbols.
4590         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4591         Symbol::is_common_shndx.
4592         * resolve.cc (symbol_to_bits): Likewise.
4593         * target.h (Target::small_common_shndx): New function.
4594         (Target::small_common_section_flags): New function.
4595         (Target::large_common_shndx): New function.
4596         (Target::large_common_section_flags): New function.
4597         (Target::new_output_section): New function.
4598         (Target::Target_info): Add small_common_shndx, large_common_shndx,
4599         small_common_section_flags, and large_common_section_flags
4600         fields.
4601         (Target::do_new_output_section): New virtual function.
4602         * arm.cc (Target_arm::arm_info): Initialize new fields.
4603         * i386.cc (Target_i386::i386_info): Likewise.
4604         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4605         Likewise.
4606         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4607         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4608         (Target_x86_64::do_new_output_section): New function.
4609         * configure.ac: Define conditional MCMODEL_MEDIUM.
4610         * testsuite/Makefile.am (check_PROGRAMS): Add large.
4611         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4612         (large_LDFLAGS): Define.
4613         * testsuite/large.c: New file.
4614         * testsuite/testfile.cc (Target_test::test_target_info):
4615         Initialize new fields.
4616         * configure, testsuite/Makefile.in: Rebuild.
4618 2009-06-05  Doug Kwan  <dougkwan@google.com>
4620         * Makefile.am (CCFILES): Add target.cc.
4621         * Makefile.in: Regenerate. 
4622         * i386.cc (class Target_i386): Define new virtual method to
4623         override do_is_local_label_name in parent.
4624         * object.cc (Sized_relobj::do_count_local_symbols): Discard
4625         local symbols if --discard-locals or -X is given.
4626         * options.h (class General_options): Declare new options
4627         '--discard-locals' and '-X' for discarding locals.
4628         * target.h (class Target): Define new methods is_local_label_name.
4629         Declare new virtual method do_is_local_label_name.
4630         * target.cc: New file.
4631         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4632         (check_SCRIPTS): Add discard_locals_test.sh.
4633         (check_DATA): Add discard_local_tests.syms.
4634         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4635         (discard_local_tests.syms, discard_locals_test.o): New make rules.
4636         * testsuite/Makefile.in: Regenerate.
4637         * testsuite/discard_locals_test.c: New file.
4638         * testsuite/discard_locals_test.sh: Same.
4640 2009-06-05  Doug Kwan  <dougkwan@google.com>
4642         * object.cc (Sized_relobj::Sized_relobj): Initialize
4643         discarded_eh_frame_shndx_ to -1U.
4644         (Sized_relobj::do_layout): Record index of a discard .eh_frame
4645         section.
4646         (Sized_relobj::do_count_local_symbols): Skip local symbols in
4647         a discarded .eh_frame section.
4648         (Sized_relobj::do_finalize_local_symbols): Ditto.
4649         * object.h (class Sized_relobj): Declare new member
4650         discarded_eh_frame_shndx_.
4651         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4652         (local_labels_test.o, local_labels_test): New rules.
4653         * testsuite/Makefile.in: Regenerate.
4655 2009-06-04  Doug Kwan  <dougkwan@google.com>
4657         * layout.cc (Layout::section_name_mapping): Add mapping for
4658         special ARM sections.
4660 2009-06-03  Doug Kwan  <dougkwan@google.com>
4662         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4663         (utils::has_overflow): Same.
4665 2009-06-03  Ian Lance Taylor  <iant@google.com>
4667         * layout.cc (Layout::section_name_mapping): New array, replacing
4668         Layout::linkonce_mapping.
4669         (Layout::section_name_mapping_count): New variable, replacing
4670         Layout::linkonce_mapping_count.
4671         (Layout::linkonce_output_name): Remove.
4672         (Layout::output_section_name): Rewrite.
4673         * layout.h (class Layout): Rename Linkonce_mapping to
4674         Section_name_mapping, linkonce_mapping to section_name_mapping,
4675         linkonce_mapping_count to section_name_mapping_count.  Don't
4676         declare linkonce_output_name.
4678 2009-06-03  Doug Kwan  <dougkwan@google.com>
4680         * gold/arm.cc (namespace utils): New.
4681         (Target_arm::reloc_is_non_pic): Define new method.
4682         (class Arm_relocate_functions): New.
4683         (Target_arm::Relocate::relocate): Handle relocation types used by
4684         Android.
4686 2009-06-03  Ian Lance Taylor  <iant@google.com>
4688         * arm.cc (Target_arm::scan::global): Use || instead of |.
4690 2009-06-02  Doug Kwan  <dougkwan@google.com>
4692         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
4693         issued_non_pic_error_.
4694         (class Target_arm::Scan): Declare new method check_non_pic.
4695         Define new method symbol_needs_plt_entry.
4696         Declare new data member issued_non_pic_error_.
4697         (class Target_arm::Relocate): Declare new method
4698         should_apply_static_reloc.
4699         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4700         (Target_arm::Scan::check_non_pic): Define new method.
4701         (Target_arm::Scan::local): Handle a small subset of reloc types used
4702         by Android.
4703         (Target_arm::Scan::local): Same.
4704         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4706 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
4708         * incremental.cc (Incremental_inputs::report_command_line): Filter
4709         out --incremental-* options.
4711 2009-05-29  Doug Kwan  <dougkwan@google.com>
4713         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4714         template class.
4715         (class Target_arm): Update comment.
4716         (Target_arm::Target_arm): Initialize new data members GOT_,
4717         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4718         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4719         and Target_arm::rel_dyn_section.
4720         Declare new_enum Target_arm::Got_type.
4721         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4722         and DYNBSS_.
4723         Update commments for member do_dynsym_value.
4724         (Target_arm::got_size, Target_arm::plt_section,
4725         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4726         new methods inside class defintion.
4727         (Target_arm::got_section): Define new method.
4728         (Target_arm::rel_dyn_section): Same.
4729         (Output_data_plt_arm): New template class.
4730         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4731         (Output_data_plt_arm:do_adjust_output_section): Define new method.
4732         (Output_data_plt_arm::add_entry): Same.
4733         (Output_data_plt_arm::first_plt_entry): Define new
4734         static data member for PLT instruction template.
4735         (Output_data_plt_arm::plt_entry): Same.
4736         (Output_data_plt_arm::do_write): Define new method.
4737         (Target_arm::make_plt_entry): Same.
4738         (Target_arm::do_finalize_sections): Same.
4739         (Target_arm::do_dynsym_value): Same.
4741 2009-05-28  Doug Kwan  <dougkwan@google.com>
4743         * Makefile.am (TARGETSOURCES): Add arm.cc.
4744         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4745         * Makefile.in: Regenerate.
4746         * arm.cc: New file.
4747         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4749 2009-05-26  Doug Kwan  <dougkwan@google.com>
4751         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
4752         (General_options::check_excluded_libs): Strip off directories in
4753         archive name before matching like GNU ld does.
4754         * testsuite/Makefile.am (MOSTLYCLEANFILES,
4755         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4756         (exclude_libs_test_LDFLAGS): Add linker option
4757         -Wl,--exclude-libs,libexclude_libs_test_3
4758         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4759         an explicit archive without using -l.
4760         (alt/libexclude_libs_test_3.a): New make rule.
4761         * testsuite/Makefile.in: Regenerate.
4762         * testsuite/exclude_libs_test.c : Declare lib3_default().
4763         (main): Call it.
4764         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4765         * exclude_libs_test_3.c: New file.
4767 2009-05-26  Nick Clifton  <nickc@redhat.com>
4769         * po/id.po: New Indonesian translation.
4770         * po/gold.pot: Updated template file.
4772 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
4774         * testsuite/Makefile.am: Add -ffunction-sections to compile 
4775         gc_comdat_test files.  Add -Wl,--gc-sections to build
4776         gc_comdat_test.
4777         * testsuite/Makefile.in: Regenerate.
4778         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4780 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
4782         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4783         kept comdat section was garbage collected.
4784         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4785         * testsuite/Makefile.in: Regenerate.
4786         * testsuite/gc_comdat_test.sh: New file.
4787         * testsuite/gc_comdat_test_1.cc: New file.
4788         * testsuite/gc_comdat_test_2.cc: New file.
4790 2009-05-19  Doug Kwan  <dougkwan@google.com>
4792         * archive.cc (Archive::Archive): Move constructor from archive.h
4793         to here.  Initialize no_export_.
4794         (Archive::get_elf_object_for_member): Set no_export flag of object.
4795         * archive.h (Archive::Archive): Move constructor body to
4796         archive.cc.
4797         (Archive::no_export): New method.
4798         (Archive::no_export_): New field.
4799         * object.h (Object::Object): Initialize no_export_ to false.
4800         (Object::no_export, Object::set_no_export): New methods.
4801         (Object::no_export_): New field.
4802         * options.cc (General_options::parse_exclude_libs): New method.
4803         (General_options::check_excluded_libs) Same.
4804         * options.h (exclude_libs): New option.
4805         (General_options::check_excluded_libs): New method declaration.
4806         (General_options::excluded_libs_): New field.
4807         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4808         default or protected visibility if an object has no-export flag set.
4809         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4810         (check_SCRIPTS): Add exclude_libs_test.sh.
4811         (check_DATA): Add exclude_libs_test.syms.
4812         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4813         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4814         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4815         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4816         (exclude_libs_test.syms, libexclude_libs_test_1.a,
4817         libexclude_libs_test_2.a): New rules.
4818         * testsuite/Makefile.in: Regenerate.
4819         * testsuite/exclude_libs_test.c: New file.
4820         * testsuite/exclude_libs_test.sh: Ditto.
4821         * testsuite/exclude_libs_test_1.c: Ditto.
4822         * testsuite/exclude_libs_test_2.c: Ditto.
4824 2009-05-15  Ian Lance Taylor  <iant@google.com>
4826         * configure.ac: Check for declarations for cases where libiberty.h
4827         checks HAVE_DECL_xxx.
4828         * configure, config.in: Rebuild.
4830 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
4832         * gold.h (Incremental_argument_list): Remove (invalid) forward
4833         declaration.
4834         * incremental.cc (Incremental_inputs::report_achive): New method.
4835         (Incremental_inputs::report_object): New method.
4836         (Incremental_inputs::report_script): New method.
4837         (Incremental_inputs::finalize_inputs): New method.
4838         (Incremental_inputs::finalize): Call finalize_inputs().
4839         (Incremental_inputs::sized_create_incremental_inputs_section_data):
4840         Create inputs entries.
4841         * incremental.h (Incremental_input_type): New enum.
4842         (Incremental_inputs::Incremental_input): Initialize new fields.
4843         (Incremental_inputs::report_inputs): New method.
4844         (Incremental_inputs::report_achive): New method.
4845         (Incremental_inputs::report_object): New method.
4846         (Incremental_inputs::report_script): New method.
4847         (Incremental_inputs::finalize_inputs): New method.
4848         (Incremental_inputs::Input_info): New struct.
4849         (Incremental_inputs::Input_info_map): New typedef.
4850         (Incremental_inputs::lock_): New field.
4851         (Incremental_inputs::Inputs_): New field.
4852         (Incremental_inputs::Inputs_map): New field.
4853         * main.cc (main): Call Incremental_input::report_inputs.
4854         * options.h (Input_argument_list): Typedef moved from
4855         Input_arguments.
4856         (Input_file_group::Files): Remove, use ::Input_argument_list.
4857         (Input_file_group::Input_argument_list): Remove, use
4858         ::Input_argument_list.
4859         * plugin.cc (Plugin_manager::add_input_file): Add error in
4860         incremental build.
4861         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4862         functions.
4863         * script.cc (read_input_script): Call
4864         Incremental_input::report_script.
4865         * script.h (Script_info): New class.
4867 2009-04-27  Ian Lance Taylor  <iant@google.com>
4869         * x86_64.cc (do_adjust_output_section): Set entsize to
4870         plt_entry_size.
4872 2009-04-23  Elliott Hughes  <enh@google.com>
4874         * output.cc (Output_file::close): After short writes, continue
4875         writing from the correct offset in the buffer being written.
4877 2009-04-23  Chris Demetriou  <cgd@google.com>
4879         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4880         * configure: Regenerate.
4881         * config.in: Regenerate.
4882         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4883         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4885 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
4887         * incremental.cc (Incremental_inputs_header_data): Renamed from
4888         Incremental_input_header_data.
4889         (Incremental_inputs_header_data::data_size): New field.
4890         (Incremental_inputs_header_data::put_input_file_count): Renamed
4891         from input_file_count.
4892         (Incremental_inputs_header_data::put_command_line_offset): Renamed
4893         from command_line_offset.
4894         (Incremental_inputs_header_data::put_reserved): Renamed from
4895         put_reserved.
4896         (Incremental_inputs_entry_data): Renamed from
4897         Incremental_input_entry_data.
4898         (Incremental_inputs_entry_data::data_size): New field.
4899         (Incremental_inputs::report_command_line): New method.
4900         (Incremental_inputs::finalize): New method.
4901         (Incremental_inputs::create_incremental_inputs_data): New method.
4902         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4903         * incremental.h: New file.
4904         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4905        (Layout::finalize): Create incremental inputs section in
4906         incremental builds.
4907        (Layout::create_incremental_info_sections): New method.
4908         * layout.h (Layout::incremental_inputs): New method.
4909        (Layout::create_incremental_info_sections): New method.
4910        (Layout::incremental_inputs_): New field.
4911         * main.cc (main): Notify Incremental_input of the command line.
4913 2009-04-01  Ian Lance Taylor  <iant@google.com>
4914             Mikolaj Zalewski  <mikolajz@google.com>
4916         * gold.h (reserve_unordered_map): Define, three versions, one for
4917         each version of Unordered_map.
4918         * layout.cc (Layout::Layout): Remove options parameter.  Add
4919         number_of_input_files parameter.  Don't initialize options_.
4920         Initialize number_of_input_files_ and resized_signatures_.  Move
4921         sections_are_attached_.
4922         (Layout::layout_group): Reserve space for group_signatures_.
4923         (Layout::find_or_add_kept_section): Change name parameter to be a
4924         reference.  Resize signatures_ map when it gets large enough.
4925         (Layout::layout_eh_frame): Use parameters->options() instead of
4926         this->options_.
4927         (Layout::make_output_section): Likewise.
4928         (Layout::attach_allocated_section_to_segment): Likewise.
4929         (Layout::finalize, Layout::create_executable_stack): Likewise.
4930         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4931         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4932         * layout.h (class Layout): Update declarations.  Remove options_
4933         field.  Add number_of_input_files_ and resized_signatures_
4934         fields.  Move sections_are_attached_ field.
4935         * main.cc (main): Pass number of input files to Layout
4936         constructor.  Don't pass options.
4938 2009-03-30  Ian Lance Taylor  <iant@google.com>
4940         * ffsll.c (ffsll): Correct implementation.
4942 2009-03-27  Ian Lance Taylor  <iant@google.com>
4944         * ffsll.c: New file.
4945         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4946         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4947         * ftruncate.c (ftruncate): Declare before definition.
4948         * mremap.c (mremap): Likewise.
4949         * pread.c (pread): Likewise.
4950         * configure, Makefile.in, config.in: Rebuild.
4952         * mremap.c: New file.
4953         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4954         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4955         (mremap): Declare if HAVE_MREMAP is not defined.
4956         * configure, Makefile.in, config.in: Rebuild.
4958 2009-03-27  Cary Coutant  <ccoutant@google.com>
4960         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4961         position independent.
4962         * sparc.cc (Target_sparc::check_non_pic): Likewise.
4963         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4965 2009-03-24  Cary Coutant  <ccoutant@google.com>
4967         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4968         an executable.
4969         (needs_dynamic_reloc): Likewise.
4971 2009-03-24  Ian Lance Taylor  <iant@google.com>
4973         * yyscript.y (file_cmd): Recognize EXTERN.
4974         (extern_name_list, extern_name_list_body): New nonterminals.
4975         * script.cc (script_add_extern): Define.
4976         * script-c.h (script_add_extern): Declare.
4978 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
4980         * object.cc (is_elf_object): Define.
4981         * object.h (is_elf_object): Declare.
4982         * archive.cc (Archive::get_elf_object_for_member): Call
4983         is_elf_object.
4984         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4986 2009-03-24  Elliott Hughes  <enh@google.com>
4988         * output.cc (Output_file::map_anonymous): Define.
4989         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
4990         try an anonymous one.  Report the size if the mmap fails.
4991         * output.h (class Output_file): Declare map_anonymous.
4993 2009-03-24  Ian Lance Taylor  <iant@google.com>
4995         * target-select.cc (instantiate_target): Don't acquire the lock if
4996         the instantiated_target_ field has already been set.
4998 2009-03-23  Ian Lance Taylor  <iant@google.com>
5000         * gold-threads.h (class Initialize_lock): Define.
5001         * gold-threads.cc (class Initialize_lock_once): Define.
5002         (initialize_lock_control): New static variable.
5003         (initialize_lock_pointer): New static variable.
5004         (initialize_lock_once): New static function.
5005         (Initialize_lock::Initialize_lock): Define.
5006         (Initialize_lock::initialize): Define.
5007         * target-select.h: Include "gold-threads.h".
5008         (class Target_selector): Add lock_ and initialize_lock_ fields.
5009         Don't define instantiate_target, just declare it.
5010         * target-select.cc (Target_selector::Target_selector): Initialize
5011         new fields.
5012         (Target_selector::instantiate_target): Define.
5013         * descriptors.h: Include "gold-threads.h".
5014         (class Descriptors): Add initialize_lock_ field.
5015         * descriptors.cc (Descriptors::Descriptors): Initialize new
5016         field.
5017         (Descriptors::open): Use initialize_lock_ field
5018         * errors.h (class Errors): Add initialize_lock_ field.
5019         * errors.cc (Errors::Errors): Initialize new field.
5020         (Errors::initialize_lock): Use initialize_lock_ field.
5021         * powerpc.cc (class Target_selector_powerpc): Remove
5022         instantiated_target_ field.  In do_recognize call
5023         instantiate_target rather than do_instantiate_target.  In
5024         do_instantiate_target just allocate a new target.
5025         * sparc.cc (class Target_selector_sparc): Likewise.
5027         * freebsd.h: New file.
5028         * i386.cc: Include "freebsd.h".
5029         (Target_i386): Derive from Target_freebsd rather than
5030         Sized_target.
5031         (Target_selector_i386): Derive from Target_selector_freebsd rather
5032         than Target_selector.
5033         * x86_64.cc: Include "freebsd.h".
5034         (Target_x86_64): Derive from Target_freebsd rather than
5035         Sized_target.
5036         (Target_selector_x86_64): Derive from Target_selector_freebsd
5037         rather than Target_selector.
5038         * target.h (class Target): Add adjust_elf_header and
5039         do_adjust_elf_header.
5040         * output.cc (Output_file_header:: do_sized_write): Call target
5041         adjust_elf_header routine.
5042         * configure.tgt: Set targ_osabi.
5043         * configure.ac: Define GOLD_DEFAULT_OSABI.
5044         * parameters.cc (Parameters::default_target): Pass
5045         GOLD_DEFAULT_OSABI to select_target.
5046         * target-select.h (class Target_selector): Make instantiate_target
5047         protected rather than private.
5048         * Makefile.am (HFILES): Add freebsd.h.
5049         * configure, Makefile.in, config.in: Rebuild.
5051         * merge.cc (do_add_input_section): Correct pend value.  Change
5052         message about last entry not being null terminated from error to
5053         warning.
5055 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
5057         * incremental.cc: New file.
5058         * Makefile.am (CCFILES): Add incremental.cc.
5059         * Makefile.in: Rebuild.
5061 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
5063         * layout.cc (Layout::output_section_name): Preserve names
5064         of '.note.' sections.
5065         
5066 2009-03-19  Ian Lance Taylor  <iant@google.com>
5068         * descriptors.cc (Descriptors::open): Check that the options are
5069         valid before using them.
5071 2009-03-18  Ian Lance Taylor  <iant@google.com>
5073         * script-sections.h: Include <list>.
5074         (class Script_sections): Change Sections_elements from std::vector
5075         to std::list.  Typedef public Elements_iterator.  Add
5076         orphan_section_placement_, data_segment_align_start_, and
5077         saw_data_segment_align_ fields.  Remove data_segment_align_index_
5078         field.
5079         * script-sections.cc (class Orphan_section_placement): New class.
5080         (class Sections_element): Add virtual functions is_relro and
5081         orphan_section_init.  Remove virtual function place_orphan_here.
5082         (class Output_section_definition): Add is_relro and
5083         orphan_section_init.  Remove place_orphan_here.
5084         (class Orphan_output_section): Likewise.
5085         (Script_sections::Script_sections): Update for field changes.
5086         (Script_sections::data_segment_align): Set saw_data_segment_align_
5087         and data_segment_align_start_, not data_segment_align_index.
5088         (Script_sections::data_segment_relro_end): Check
5089         saw_data_segment_align_.  Use data_segment_align_start_ rather
5090         than data_segment_align_index_.
5091         (Script_sections::place_orphan): Rewrite to use
5092         Orphan_section_placement.
5094 2009-03-17  Ian Lance Taylor  <iant@google.com>
5096         * archive.cc (Archive::add_symbols): Check for a version attached
5097         to the symbol name in the archive map.
5098         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5099         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5100         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5101         (ver_test_11.a): New target.
5102         * testsuite/Makefile.in: Rebuild.
5104         * configure.ac: Check for chsize and posix_fallocate.  Replace
5105         ftruncate.
5106         * ftruncate.c: New file, from gnulib.
5107         * output.cc (posix_fallocate): Define dummy version if not
5108         HAVE_POSIX_FALLOCATE.
5109         (Output_file::map): Call posix_fallocate rather than lseek and
5110         write.
5111         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5112         * configure, Makefile.in, config.in: Rebuild.
5114 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
5115         
5116         * layout.h (Layout::create_note): Add section_name parameter.
5117         * layout.cc (Layout::create_note): Likewise.
5118         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
5119         
5120 2009-03-17  Ian Lance Taylor  <iant@google.com>
5122         * descriptors.cc: Include "options.h".
5123         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5124         (Descriptors::open): Always use O_CLOEXEC when opening a new
5125         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
5126         then set FD_CLOEXEC.
5128         * sparc.cc (class Target_sparc): Add has_got_section.
5129         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5130         make sure we have a GOT section.
5132         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5133         (Target_sparc::Scan::local): Likewise.
5134         (Target_sparc::Scan::global): Likewise.
5135         (Target_sparc::Relocate::relocate): Likewise.
5136         (Target_sparc::Relocate::relocate_tls): Likewise.
5138         * symtab.cc (Symbol_table::define_default_version): New function,
5139         broken out of add_from_object.
5140         (Symbol_table::add_from_object): Call define_default_version.
5141         (Symbol_table::define_special_symbol): Add resolve_oldsym
5142         parameter.  Change all callers.  If the version for a symbol comes
5143         from a version script, resolve it with the symbol with the same
5144         name with no version.  Also add the symbol without a version if
5145         appropriate.
5146         (do_define_in_output_data): If resolving with oldsym, don't delete
5147         sym.
5148         (do_define_in_output_segment): Likewise.
5149         (do_define_as_constant): Likewise.
5150         * symtab.h (class Symbol_table): Update declarations.
5152 2009-03-13  Ian Lance Taylor  <iant@google.com>
5154         * readsyms.cc (Read_symbols::incompatible_warning): New function.
5155         (Read_symbols::requeue): New function.
5156         (Read_symbols::do_read_symbols): If make_elf_object fails because
5157         the target type is not configured, and the file was searched for,
5158         issue a warning and retry with the next directory.
5159         (Add_symbols::run): If the file has an incompatible format, and
5160         it was searched for, requeue the Read_symbols task.  On error,
5161         release the object.
5162         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
5163         dirindex parameter to constructor.  Change all callers.  Declare
5164         incompatible_warning and requeue.
5165         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5166         input_argument_ and input_group_ fields.  Add them to
5167         constructor.  Change all callers.
5168         (class Read_script): Add dirindex_ field.  Add it to constructor.
5169         Change all callers.
5170         * archive.cc (Archive::setup): Remove input_objects parameter.
5171         Change all callers.
5172         (Archive::get_file_and_offset): Likewise.
5173         (Archive::read_all_symbols): Likewise.
5174         (Archive::read_symbols): Likewise.
5175         (Archive::get_elf_object_for_member): Remove input_objects
5176         parameter.  Add punconfigured parameter.  Change all callers.
5177         (Archive::add_symbols): Change return type to bool.  Check return
5178         value of include_member.
5179         (Archive::include_all_members): Likewise.
5180         (Archive::include_member): Change return type to bool.  Return
5181         false if first included object has incompatible target.  Set
5182         included_member_ field.
5183         (Add_archive_symbols::run): If add_symbols returns false, requeue
5184         Read_symbols task.
5185         * archive.h (class Archive): Add included_member_ field.
5186         Initialize it in constructor.  Add input_file and searched_for
5187         methods.  Update declarations.
5188         (class Add_archive_symbols): Add dirpath_, dirindex_, and
5189         input_argument_ fields.  Add them to constructor.  Change all
5190         callers.
5191         * script.cc: Include "target-select.h".
5192         (class Parser_closure): Add skip_on_incompatible_target_ and
5193         found_incompatible_target_ fields.  Add
5194         skip_on_incompatible_target parameter to constructor.  Change all
5195         callers.  Add methods skip_on_incompatible_target,
5196         clear_skip_on_incompatible_target, found_incompatible_target, and
5197         set_found_incompatible_target.
5198         (read_input_script): Add dirindex parameter.  Change all callers.
5199         If parser finds an incompatible target, requeue Read_symbols
5200         task.
5201         (script_set_symbol): Clear skip_on_incompatible_target in
5202         closure.
5203         (script_add_assertion, script_parse_option): Likewise.
5204         (script_start_sections, script_add_phdr): Likewise.
5205         (script_check_output_format): New function.
5206         * script.h (read_input_script): Update declaration.
5207         * script-c.h (script_check_output_format): Declare.
5208         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5209         (ignore_cmd): Remove OUTPUT_FORMAT.
5210         * fileread.cc (Input_file::Input_file): Add explicit this.
5211         (Input_file::will_search_for): New function.
5212         (Input_file::open): Add pindex parameter.  Change all callers.
5213         * fileread.h (class Input_file): Add input_file_argument method.
5214         Declare will_search_for.  Update declarations.
5215         * object.cc (make_elf_object): Add punconfigured parameter.
5216         Change all callers.
5217         * object.h (class Object): Make input_file public.  Add
5218         searched_for method.
5219         (make_elf_object): Update declaration.
5220         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
5221         restart search.
5222         * dirsearch.h (class Dirsearch): Update declaration.
5223         * options.h (class General_options): Add --warn-search-mismatch.
5224         * parameters.cc (Parameters::is_compatible_target): New function.
5225         * parameters.h (class Parameters): Declare is_compatible_target.
5226         * workqueue.cc (Workqueue::add_blocker): New function.
5227         * workqueue.h (class Workqueue): Declare add_blocker.
5229         * fileread.cc (Input_file::open): Remove options parameter.
5230         Change all callers.
5231         (Input_file::open_binary): Likewise.
5232         * script.cc (read_input_script): Likewise.
5233         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
5234         options parameter from constructor.  Change all callers.
5235         (class Read_script): Likewise.
5236         * fileread.h (class Input_file): Update declarations.
5237         * script.h (read_input_script): Update declaration.
5239 2009-03-10  Nick Clifton  <nickc@redhat.com>
5241         * po/es.po: New Spanish translation.
5243 2009-03-06  Cary Coutant  <ccoutant@google.com>
5245         * options.cc (parse_short_option): Keep dash_z from registering itself.
5247 2009-03-03  Ian Lance Taylor  <iant@google.com>
5249         PR 9918
5250         * target-reloc.h (relocate_section): Pass output_section to
5251         relocate.
5252         * i386.cc (Target_i386::should_apply_static_reloc): Add
5253         output_section parameter.  Change all callers.
5254         (Target_i386::Relocate::relocate): Add output_section parameter.
5255         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5256         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5257         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5258         * testsuite/two_file_shared.sh: New script.
5259         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5260         (check_DATA): Add two_file_shared.dbg.
5261         (two_file_shared.dbg): New target.
5262         * testsuite/Makefile.in: Rebuild.
5264 2009-03-01  Ian Lance Taylor  <iant@google.com>
5266         * configure.ac: Check for byteswap.h.
5267         * configure: Rebuild.
5268         * config.in: Rebuild.
5270 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
5272         * layout.cc (Layout::find_or_add_kept_section): New function.
5273         (Layout::add_comdat): Removed.
5274         * layout.h (struct Kept_section): Move out of class Layout.
5275         Remove trailing underscores from field names.  Add group_sections
5276         field.  Rename group_ field to is_group.  Change all uses.
5277         (class Layout): Declare find_or_add_kept_section, not add_comdat.
5278         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5279         comdat_groups_ field.
5280         (Sized_relobj::include_section_group): Use
5281         find_or_add_kept_section and Kept_section::group_sections.
5282         (Sized_relobj::include_linkonce_section): Likewise.
5283         * object.cc (class Sized_relobj): Don't define Comdat_group or
5284         Comdat_group_table.  Remove find_comdat_group and
5285         add_comdat_group.  Remove comdat_groups_ field.
5286         * plugin.cc (include_comdat_group): Use
5287         Layout::find_or_add_kept_section.
5289 2009-02-28  Ian Lance Taylor  <iant@google.com>
5291         * README: --gc-sections and map files are now supported.  Document
5292         some build requirements.
5294         PR 6992
5295         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5296         relocatable link set the value of the section symbol to zero.
5297         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5298         relocatable link don't include the section address in the local
5299         symbol value.
5301 2009-02-27  Ian Lance Taylor  <iant@google.com>
5303         PR 6811
5304         * options.h (class Search_directory): Add is_system_directory.
5305         (class General_options): Declare is_in_system_directory.
5306         * options.cc (get_relative_sysroot): Make static.
5307         (get_default_sysroot): Make static.
5308         (General_optoins::is_in_system_directory): New function.
5309         * fileread.cc (Input_file::is_in_system_directory): New function.
5310         * fileread.h (class Input_file): Declare is_in_system_directory.
5311         * object.h (class Object): Add is_in_system_directory.
5312         (class Input_objects): Remove system_library_directory_ field.
5313         * object.cc (Input_objects::add_object): Don't set
5314         system_library_directory_.
5315         (input_objects::found_in_system_library_directory): Remove.
5316         * symtab.cc (Symbol_table::write_globals): Remove input_objects
5317         parameter.  Change all callers.
5318         (Symbol_table::sized_write_globals): Likewise.
5319         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5320         Call Object::is_in_system_directory.
5321         * symtab.h (class Symbol_table): Update declarations.
5323         PR 5990
5324         * descriptors.h (Open_descriptor): Add is_on_stack field.
5325         * descriptors.cc (Descriptors::open): If the descriptor is on the
5326         top of the stack, remove it.  Initialize is_on_stack field.
5327         (Descriptors::release): Only add pod to stack if it is not on the
5328         stack already.
5329         (Descriptors::close_some_descriptor): Clear stack_next and
5330         is_on_stack fields.
5332         PR 7091
5333         * output.cc (Output_section::find_starting_output_address): Rename
5334         from starting_output_address; add PADDR parameter; change return
5335         type.
5336         * output.h (class Output_section): Declare
5337         find_starting_output_address instead of starting_output_address.
5338         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5339         section symbol for which we can't find a merge section.
5341         PR 9836
5342         * symtab.cc (Symbol_table::add_from_object): If the visibility is
5343         hidden or internal, force the symbol to be local.
5344         * resolve.cc (Symbol::override_visibility): Define.
5345         (Symbol::override_base): Use override_visibility.
5346         (Symbol_table::resolve): Likewise.
5347         (Symbol::override_base_with_special): Likewise.
5348         (Symbol_table::override_with_special): If the visibility is hidden
5349         or internal, force the symbol to be local.
5350         * symtab.h (class Symbol): Add set_visibility and
5351         override_visibility.
5352         * testsuite/ver_test_1.sh: New file.
5353         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5354         (check_DATA): Add ver_test_1.syms.
5355         (ver_test_1.syms): New target.
5356         * testsuite/Makefile.in: Rebuild.
5358 2009-02-25  Cary Coutant  <ccoutant@google.com>
5360         * layout.cc (Layout::choose_output_section): Don't rename sections
5361         when using a linker script that has a SECTIONS clause.
5362         * Makefile.in: Regenerate.
5364         * testsuite/Makefile.am (script_test_5.sh): New test case.
5365         * testsuite/Makefile.in: Regenerate.
5366         * testsuite/script_test_5.cc: New file.
5367         * testsuite/script_test_5.sh: New file.
5368         * testsuite/script_test_5.t: New file.
5370 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
5372         * archive.cc (Archive::include_member): Update calls to add_symbols.
5373         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5374         the Layout argument.
5375         * dynobj.h (do_add_symbols): Add the Layout argument.
5376         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5377         Layout argument.
5378         * object.h (Object::add_symbols): Add the Layout argument.
5379         (Object::do_add_symbols): Add the Layout argument.
5380         (Sized_relobj::do_add_symbols): Add the Layout argument.
5381         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5382         Unify the two versions.
5383         (Add_plugin_symbols): Remove.
5384         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5385         (Sized_pluginobj::do_add_symbols): Unify the two versions.
5386         (Add_plugin_symbols): Remove.
5387         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5388         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5389         (Add_symbols::run): Make it work with Pulginobj.
5391 2009-02-06  Ian Lance Taylor  <iant@google.com>
5393         * object.cc (Sized_relobj::do_layout): Make info message start
5394         with lower case letter.
5396 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
5398         * binary.cc: Fix file comment.
5400         * options.h (enum Incremental_disposition): Define.
5401         (class General_options): Add new options: --incremental,
5402         --incremental_changed, --incremental_unchanged,
5403         --incremental_unknown.  Add incremental_disposition_ and
5404         implicit_incremental_ fields.
5405         (General_options::incremental_disposition): New function.
5406         (class Position_dependent_options): Add incremental_disposition
5407         option.
5408         (Position_dependent_options::copy_from_options): Set incremental
5409         dispositions.
5410         * options.cc (General_options::parse_incremental_changed): New
5411         function.
5412         (General_options::parse_incremental_unchanged): New function.
5413         (General_options::parse_incremental_unknown): New function.
5414         (General_options::General_options): Initialize new fields
5415         incremental_disposition_ and implicit_incremental_.
5416         (General_options::finalize): Check for uasge of --incremental-*
5417         without --incremental.
5419 2009-02-06  Chris Demetriou  <cgd@google.com>
5421         * gold.h (gold_undefined_symbol): Change to take only a Symbol
5422         pointer and to report location as the file name associated with
5423         the symbol.
5424         (gold_undefined_symbol_at_location): New function to replace the
5425         old gold_undefined_symbol functionality.
5426         * target-reloc.h (relocate_section): Update to use
5427         gold_undefined_symbol_at_location.
5428         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5429         Call gold_undefined_symbol function rather than gold_error.
5430         * errors.h (Errors::undefined_symbol): Take location as a
5431         string, rather than calculating it from a relocation.
5432         * errors.cc (Errors::fatal): Print "fatal error:" before the
5433         formatted message.
5434         (Errors::error, Errors::error_at_location): Print "error: "
5435         before the formatted message.
5436         (Errors::undefined_symbol): Take location as a string, rather
5437         than calculating it from a relocation.
5438         (gold_undefined_symbol_at_location): New function akin to
5439         old gold_undefined_symbol, calculates location from relocation.
5440         (gold_undefined_symbol): Change to take only a Symbol pointer
5441         and to report location as the file name associated with the symbol.
5442         * testsuite/debug_msg.sh: Update for changed error messages.
5443         * testsuite/undef_symbol.sh: Likewise.
5445 2009-02-04  Duncan Sands  <baldrick@free.fr>
5447         PR 9812
5448         * reduced_debug_output.h
5449         (Output_reduced_debug_abbrev_section::failed): Use format for
5450         gold_warning.
5451         (Output_reduced_debug_info_section::faild): Likewise.
5453 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
5455         * script.cc (Lazy_demangler): New class.
5456         (Version_script_info::get_symbol_version_helper): Demangle a
5457         symbol only once.
5459 2009-01-29  Cary Coutant  <ccoutant@google.com>
5461         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5462         to __tls_get_addr.
5463         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5465 2009-01-28  Ian Lance Taylor  <iant@google.com>
5467         * version.cc (version_string): Bump to 1.9.
5469         * gold.h: Include <cstring> and <stdint.h>.
5470         * version.cc: Include <cstdio>.
5471         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5472         warning.
5473         * reduced_debug_output.cc (insert_into_vector): Rename from
5474         Insert_into_vector; change all callers.  Use Swap_unaligned to
5475         avoid aliasing issue; remove union since it is unnecessary.
5477 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
5479         * Makefile.am (CCFILES): Add gc.cc.
5480         (HFILES): Add gc.h.
5481         * Makefile.in: Regenerate.
5482         * gold.cc (Gc_runner): New class.
5483         (queue_initial_tasks): Call garbage collection related tasks
5484         when corresponding options are invoked.
5485         (queue_middle_gc_tasks): New function.
5486         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5487         processed early before laying out sections during garbage collection.
5488         * gold.h (queue_middle_gc_tasks): New function.
5489         (is_prefix_of): Move from "layout.cc".
5490         * i386.cc (Target_i386::gc_process_relocs): New function.
5491         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5492         * main.cc (main): Create object of class "Garbage_collection".
5493         * object.cc (Relobj::copy_symbols_data): New function.
5494         (Relobj::is_section_name_included): New function.
5495         (Sized_relobj::do_layout): Allow this function to be called twice 
5496         during garbage collection and defer layout of section during the 
5497         first call.
5498         * object.h (Relobj::get_symbols_data): New function.
5499         (Relobj::is_section_name_included): New function.
5500         (Relobj::copy_symbols_data): New function.
5501         (Relobj::set_symbols_data): New function.
5502         (Relobj::get_relocs_data): New function.
5503         (Relobj::set_relocs_data): New function.
5504         (Relobj::is_output_section_offset_invalid): New pure virtual function.
5505         (Relobj::gc_process_relocs): New function.
5506         (Relobj::do_gc_process_relocs): New pure virtual function.
5507         (Relobj::sd_): New data member.
5508         (Sized_relobj::is_output_section_offset_invalid): New function.
5509         (Sized_relobj::do_gc_process_relocs): New function.
5510         * options.h (General_options::gc_sections): Modify to not be a no-op.
5511         (General_options::print_gc_sections): New option.
5512         * plugin.cc (Plugin_finish::run): Remove function call to
5513         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
5514         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5515         * reloc.cc (Read_relocs::run): Add task to process relocs and
5516         determine unreferenced sections when doing garbage collection.
5517         (Gc_process_relocs): New class.
5518         (Sized_relobj::do_gc_process_relocs): New function.
5519         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5520         sections that are garbage collected.
5521         * reloc.h (Gc_process_relocs): New class.
5522         * sparc.cc (Target_sparc::gc_process_relocs): New function.
5523         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5524         symbols whose corresponding sections are garbage collected.
5525         (Symbol_table::Symbol_table): Add new parameter for the garbage
5526         collection object.
5527         (Symbol_table::gc_mark_undef_symbols): New function.
5528         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5529         (Symbol_table::gc_mark_dyn_syms): New function.
5530         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5531         as garbage.
5532         (Symbol_table::add_from_object): Likewise.
5533         (Symbol_table::add_from_relobj): When building shared objects, do not
5534         treat externally visible symbols as garbage.
5535         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5536         table information for static and relocatable links.
5537         * symtab.h (Symbol_table::set_gc): New function.
5538         (Symbol_table::gc): New function.
5539         (Symbol_table::gc_mark_undef_symbols): New function.
5540         (Symbol_table::gc_mark_symbol_for_shlib): New function.
5541         (Symbol_table::gc_mark_dyn_syms): New function.
5542         (Symbol_table::gc_): New data member.
5543         * target.h (Sized_target::gc_process_relocs): New pure virtual 
5544         function.
5545         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5546         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5548 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
5550         * options.h (General_options::gc_sections): Define as a no-op for now.
5551         (General_options::no_keep_memory): Ditto.
5552         (General_options::Bshareable): Define.
5553         * options.cc (General_options::finalize): Honor -Bshareable.
5555 2009-01-20  Andreas Schwab  <schwab@suse.de>
5557         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5558         read the value in the contents, since we don't use it.  Use the
5559         template endianness when writing.
5560         (Relocate::relocate): Use it for R_PPC_REL16_HA.
5562 2009-01-19  Andreas Schwab  <schwab@suse.de>
5564         * configure.tgt (powerpc64-*): Fix targ_obj.
5566 2009-01-15  Ian Lance Taylor  <iant@google.com>
5568         * object.cc (Sized_relobj::write_local_symbols): Don't write out
5569         local symbols when stripping all symbols.
5571 2009-01-14  Cary Coutant  <ccoutant@google.com>
5573         * output.cc (Output_reloc): Add explicit instantiations.
5575 2009-01-14  Cary Coutant  <ccoutant@google.com>
5577         * archive.cc (Archive::get_elf_object_for_member): Remove call
5578         to File_read::claim_for_plugin.
5579         * descriptors.cc (Descriptors::open): Remove reference to
5580         is_claimed.
5581         (Descriptors::claim_for_plugin): Remove.
5582         * descriptors.h (Descriptors::claim_for_plugin): Remove.
5583         (Descriptors::is_claimed): Remove.
5584         (claim_descriptor_for_plugin): Remove.
5585         * fileread.cc (File_read::claim_for_plugin): Remove.
5586         * fileread.h (File_read::claim_for_plugin): Remove.
5587         (File_read::descriptor): Reopen descriptor if necessary.
5588         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
5589         (Plugin_manager::all_symbols_read): Add task parameter. Change
5590         all callers.
5591         (Plugin_manager::get_input_file): New function.
5592         (Plugin_manager::release_input_file): New function.
5593         (Pluginobj::Pluginobj): Add filesize parameter and initialize
5594         corresponding data member.
5595         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5596         and pass to base constructor. Change all callers.
5597         (get_input_file, release_input_file): New functions.
5598         (make_sized_plugin_object): Add filesize parameter. Change all callers.
5599         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5600         (Plugin_manager::all_symbols_read): Add task parameter.
5601         (Plugin_manager::get_input_file): New function.
5602         (Plugin_manager::release_input_file): New function.
5603         (Plugin_manager::task_): New data member.
5604         (Pluginobj::Pluginobj): Add filesize parameter.
5605         (Pluginobj::filename): New function.
5606         (Pluginobj::descriptor): New function.
5607         (Pluginobj::filesize): New function.
5608         (Pluginobj::filesize_): New data member.
5609         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5610         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5611         File_read::claim_for_plugin; use Object::unlock to unlock the file.
5613         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5614         with archive libraries.
5615         * testsuite/Makefile.in: Regenerate.
5616         * testsuite/plugin_test.c (struct sym_info): New type.
5617         (get_input_file, release_input_file): New static variables.
5618         (onload): Capture new transfer vector entries.
5619         (claim_file_hook): Stop reading at end of file according to filesize.
5620         Factor out parsing of readelf output into separate function.
5621         (all_symbols_read_hook): Exercise get_input_file and release_input_file
5622         APIs and get the source file name from the symbol table.  Convert
5623         source file name to corresponding object file name.  Print info
5624         message when adding new input files.
5625         (parse_readelf_line): New function.
5626         * testsuite/plugin_test_1.sh: Add checks for new info messages.
5627         * testsuite/plugin_test_2.sh: Likewise.
5628         * testsuite/plugin_test_3.sh: Likewise.
5629         * testsuite/plugin_test_4.sh: New test case.
5631 2009-01-07  Ian Lance Taylor  <iant@google.com>
5633         * version.cc (version_string): Bump to 1.8.
5635 2008-12-23  Cary Coutant  <ccoutant@google.com>
5637         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5638         * plugin.cc (Plugin_manager::finish): Rename as
5639         layout_deferred_objects.  Move cleanup to separate function.
5640         (Plugin_manager::cleanup): New function.
5641         (Plugin_finish::run): Call layout_deferred_objects and cleanup
5642         separately.
5643         * plugin.h (Plugin_manager::finish): Rename as
5644         layout_deferred_objects.
5645         (Plugin_manager::cleanup): New function.
5646         (Plugin_manager::cleanup_done): New field.
5648 2008-12-23  Cary Coutant  <ccoutant@google.com>
5650         * plugin.cc (is_visible_from_outside): New function.
5651         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5652         so we don't return "IR only" status for exported symbols or -r links.
5654         * testsuite/Makefile.am (plugin_test_3): New test case.
5655         * testsuite/Makefile.in: Regenerate.
5656         * testsuite/plugin_test_3.sh: New file.
5658 2008-12-22  Cary Coutant  <ccoutant@google.com>
5660         * object.cc (Sized_relobj::layout_section): New function.
5661         (Sized_relobj::do_layout): Defer layout of input sections until after
5662         plugin has provided replacement files.
5663         (Sized_relobj::do_layout_deferred_sections): New function.
5664         * object.h (Relobj::set_section_offset): Remove virtual keyword.
5665         (Relobj::layout_deferred_sections): New function.
5666         (Relobj::do_layout_deferred_sections): New function.
5667         (Sized_relobj::do_layout_deferred_sections): New function.
5668         (Sized_relobj::layout_section): New function.
5669         (Sized_relobj::Deferred_layout): New structure.
5670         (Sized_relobj::deferred_layout_): New field.
5671         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5672         Change all callers.  Layout deferred sections.
5673         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
5674         references.
5675         (Plugin_hook::run): Move code from do_plugin_hook inline.
5676         (Plugin_hook::do_plugin_hook): Remove.
5677         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5678         (Plugin_manager::finish): Renamed, was cleanup.
5679         (Plugin_manager::should_defer_layout): New function.
5680         (Plugin_manager::add_deferred_layout_object): New function.
5681         (Plugin_manager::Deferred_layout_list): New type.
5682         (Plugin_manager::deferred_layout_objects_): New field.
5683         (Plugin_hook::do_plugin_hook): Remove.
5685 2008-12-17  Ian Lance Taylor  <iant@google.com>
5687         * options.h (class General_options): Add --no case for
5688         --export-dynamic.
5690 2008-12-16  Cary Coutant  <ccoutant@google.com>
5692         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5693         vector.
5694         (Plugin_manager::claim_file): Create plugin object even if
5695         plugin did not call the add_symbols callback.
5696         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5697         asking for more symbols than were added.
5698         * testsuite/Makefile.am (plugin_test_1): Add test case with
5699         no global symbols.
5700         (empty.syms): New target.
5701         * testsuite/Makefile.in: Regenerate.
5702         * testsuite/plugin_test.c (claim_file_hook): Add new debug
5703         message. Don't call add_symbols if no globals.
5704         (all_symbols_read_hook): Don't provide replacement for empty
5705         claimed file.
5707 2008-12-12  Ian Lance Taylor  <iant@google.com>
5709         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5710         r_type == 0 for a local symbol with r_sym == 0.
5711         (scan_relocatable_relocs): Pass r_sym to
5712         local_non_section_strategy.
5713         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5714         r_sym parameter.
5716         * configure.ac: Update test for TLS descriptors: they are
5717         supported as of glibc 2.9.
5718         * configure: Rebuild.
5720 2008-12-11  Ian Lance Taylor  <iant@google.com>
5722         PR 7091
5723         * target-reloc.h (Default_scan_relocatable_relocs): For each
5724         function, map r_type == 0 to RELOC_DISCARD.
5726 2008-12-10  Cary Coutant  <ccoutant@google.com>
5728         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5729         object to override a kept COMDAT group from a plugin object.
5731 2008-12-09  Ian Lance Taylor  <iant@google.com>
5733         PR 7088
5734         * yyscript.y (file_cmd): Handle INPUT.
5736         * testsuite/initpri1.c: Change all declarations to be full
5737         prototypes by adding void, to avoid compiler warnings.
5739 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
5741         * options.cc (General_options::parse_plugin_opt): New.
5742         (General_options::add_plugin): The argument now is just the filename.
5743         (General_options::add_plugin_option): New.
5744         * options.h (plugin_opt): New.
5745         (add_plugin): Change argument name.
5746         (add_plugin_option): New.
5747         * plugin.cc (Plugin::load): Don't parse the plugin option.
5748         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5749         (Plugin::add_option): New.
5750         (Plugin::args_): Change type.
5751         (Plugin::filename_): New.
5752         (Plugin_manager::add_plugin_option): New.
5753         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5754         * testsuite/Makefile.in: Regenerate.
5756 2008-12-05  Cary Coutant  <ccoutant@google.com>
5758         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5759         Handle --strip-lto-sections option.
5760         * options.h (strip_lto_sections): New option.
5762 2008-12-01  Cary Coutant  <ccoutant@google.com>
5764         * plugin.cc (ld_plugin_message): Change format parameter to const.
5765         Fix mismatch between new[] and delete.
5767 2008-11-14  Cary Coutant  <ccoutant@google.com>
5769         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5770         instead of -1U.
5772 2008-11-05  Craig Silverstein  <csilvers@google.com>
5774         * options.cc (General_options::parse_dynamic_list): New function.
5775         * options.h (General_options): New flags dynamic_list,
5776         dynamic_list_data, dynamic_list_cpp_new, and
5777         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
5778         (General_options::in_dynamic_list): New function.
5779         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5780         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5781         (Lex::can_continue_name): Likewise.
5782         (yylex): Likewise.
5783         (read_script_file): New parameter script_options.
5784         (read_dynamic_list): New function.
5785         (Script_options::define_dynamic_list): New function.
5786         (dynamic_list_keyword_parsecodes): New variable.
5787         (dynamic_list_keywords): New variable.
5788         * script.h (Script_options::define_dynamic_list): New function
5789         prototype.
5790         (read_dynamic_list): New function prototype.
5791         * symtab.cc (strprefix): New macro.
5792         (Symbol::should_add_dynsym_entry): Support dynamic_list,
5793         dynamic_list_data, dynamic_list_cpp_new, and
5794         dynamic_list_cpp_typeinfo.
5795         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5796         (dynamic_list_expr): New rule.
5797         (dynamic_list_nodes): Likewise.
5798         (dynamic_list_node): Likewise.
5799         * testsuite/Makefile.am (dynamic_list): New test.
5800         * testsuite/Makefile.in: Regenerated.
5801         * testsuite/dynamic_list.t: New file.
5802         * testsuite/dynamic_list.sh: New file.
5804 2008-11-05  Craig Silverstein  <csilvers@google.com>
5806         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5807         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5808         (t11_last): Likewise.
5809         * testsuite/ver_test_6.c (main): Likewise.
5811 2008-10-07  Cary Coutant  <ccoutant@google.com>
5813         * options.c (General_options::finalize): Add check for -static and
5814         -shared.
5815         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5816         is not empty.
5818 2008-10-02  Cary Coutant  <ccoutant@google.com>
5820         * plugin.cc (make_sized_plugin_object): Fix conditional
5821         compilation to work when not all targets are enabled.
5823 2008-09-29  Cary Coutant  <ccoutant@google.com>
5825         * archive.cc (Archive::get_file_and_offset): Use filename instead
5826         of name to get library path.
5827         (Archive::include_member): Unlock external member of a thin archive.
5829         * testsuite/Makefile.am (TEST_AR): New variable.
5830         (thin_archive_test_1): New test.
5831         (thin_archive_test_2): New test.
5832         * testsuite/Makefile.in: Regenerate.
5833         * testsuite/thin_archive_main.cc: New file.
5834         * testsuite/thin_archive_test_1.cc: New file.
5835         * testsuite/thin_archive_test_2.cc: New file.
5836         * testsuite/thin_archive_test_3.cc: New file.
5837         * testsuite/thin_archive_test_4.cc: New file.
5839 2008-09-29  Cary Coutant  <ccoutant@google.com>
5841         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5842         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5843         instead of -1U.
5844         (Sized_relobj::do_finalize_local_symbols): Likewise.
5845         (Sized_relobj::map_to_kept_section): Likewise.
5846         * object.h (Sized_relobj::invalid_address): New constant.
5847         (Sized_relobj::do_output_section_offset): Check for invalid_address
5848         and return -1ULL.
5849         * output.cc (Output_reloc::local_section_offset): Use constant
5850         invalid_address instead of -1U.
5851         (Output_reloc::get_address): Likewise.
5852         (Output_section::output_address): Change -1U to -1ULL.
5853         * output.h (Output_reloc::invalid_address): New constant.
5854         * reloc.cc (Sized_relobj::write_sections): Use constant
5855         invalid_address instead of -1U.
5856         (Sized_relobj::relocate_sections): Likewise.
5857         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5858         values for merge sections.
5859         * target-reloc.h (relocate_for_relocatable): Use constant
5860         invalid_address instead of -1U.
5862 2008-09-19  Cary Coutant  <ccoutant@google.com>
5864         Add plugin functionality for link-time optimization (LTO).
5865         * configure.ac (plugins): Add --enable-plugins option.
5866         * configure: Regenerate.
5867         * config.in: Regenerate.
5868         * Makefile.am (LIBDL): New variable.
5869         (CCFILES): Add plugin.cc.
5870         (HFILES): Add plugin.h.
5871         (ldadd_var): Add LIBDL.
5872         * Makefile.in: Regenerate.
5874         * archive.cc: Include "plugin.h".
5875         (Archive::setup): Don't preread archive symbols when using a plugin.
5876         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
5877         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5878         files.
5879         (Archive::include_member): Add symbols from plugin objects.
5880         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5881         * descriptors.cc (Descriptors::open): Check for file descriptors
5882         abandoned by plugins.
5883         (Descriptors::claim_for_plugin): New function.
5884         * descriptors.h (Descriptors::claim_for_plugin): New function.
5885         (Open_descriptor::is_claimed): New field.
5886         (claim_descriptor_for_plugin): New function.
5887         * fileread.cc (File_read::claim_for_plugin): New function.
5888         * fileread.h (File_read::claim_for_plugin): New function.
5889         (File_read::descriptor): New function.
5890         * gold.cc: Include "plugin.h".
5891         (queue_initial_tasks): Add task to call plugin hooks for generating
5892         new object files.
5893         * main.cc: Include "plugin.h".
5894         (main): Load plugin libraries.
5895         * object.h (Pluginobj): Declare.
5896         (Object::pluginobj): New function.
5897         (Object::do_pluginobj): New function.
5898         (Object::set_target): New function.
5899         * options.cc: Include "plugin.h".
5900         (General_options::parse_plugin): New function.
5901         (General_options::General_options): Initialize plugins_ field.
5902         (General_options::add_plugin): New function.
5903         * options.h (Plugin_manager): Declare.
5904         (General_options): Add --plugin option.
5905         (General_options::has_plugins): New function.
5906         (General_options::plugins): New function.
5907         (General_options::add_plugin): New function.
5908         (General_options::plugins_): New field.
5909         * plugin.cc: New file.
5910         * plugin.h: New file.
5911         * readsyms.cc: Include "plugin.h".
5912         (Read_symbols::do_read_symbols): Check for archive before checking
5913         for ELF file.  Call plugin hooks to claim files.
5914         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5915         from a real object file; force override when processing replacement
5916         files.
5917         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5918         (Symbol::init_base_object): Likewise.
5919         (Symbol::init_base_output_data): Likewise.
5920         (Symbol::init_base_output_segment): Likewise.
5921         (Symbol::init_base_constant): Likewise.
5922         (Symbol::init_base_undefined): Likewise.
5923         (Symbol::output_section): Assert that object is not a plugin.
5924         (Symbol_table::add_from_pluginobj): New function.
5925         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5926         undefined.
5927         (Symbol_table::sized_write_globals): Likewise.
5928         (Symbol_table::add_from_pluginobj): Instantiate template.
5929         * symtab.h (Sized_pluginobj): Declare.
5930         (Symbol::in_real_elf): New function.
5931         (Symbol::set_in_real_elf): New function.
5932         (Symbol::in_real_elf_): New field.
5933         (Symbol_table::add_from_pluginobj): New function.
5935         * testsuite/Makefile.am (AM_CFLAGS): New variable.
5936         (LIBDL): New variable.
5937         (LDADD): Add LIBDL.
5938         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5939         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5940         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5941         (MOSTLYCLEANFILES): Likewise.
5942         * testsuite/Makefile.in: Regenerate.
5943         * testsuite/plugin_test.c: New file.
5944         * testsuite/plugin_test_1.sh: New file.
5945         * testsuite/plugin_test_2.sh: New file.
5947 2008-09-16  Ian Lance Taylor  <iant@google.com>
5949         * target-reloc.h (relocate_section): Check whether a symbol is
5950         defined by the ABI before reporting an undefined symbol error.
5951         * target.h (Target::is_defined_by_abi): Make parameter const.
5952         (Target::do_is_defined_by_abi): Likewise.
5953         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5954         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5955         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5956         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5957         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5958         * testsuite/Makefile.in: Rebuild.
5960         * fileread.cc (make_view): Add casts to avoid warning.
5962 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5964         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5965         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5967 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
5969         * options.h (General_options::output_is_executable): New.
5970         (General_options::output_is_pie): New.
5971         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5972         for shared libraries.
5973         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5975 2008-09-11  Chris Demetriou  <cgd@google.com>
5977         * options.h (origin): New -z option.
5978         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5979         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5980         in DT_FLAGS_1.
5982 2008-09-05  Cary Coutant  <ccoutant@google.com>
5984         * fileread.cc (File_read::make_view): Add check for attempt to map
5985         beyond end of file.
5987 2008-09-05  Cary Coutant  <ccoutant@google.com>
5989         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5990         explicit instantiations.
5992 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
5994         PR gold/6858
5995         * options.cc (General_options::finalize): Allow undefined symbols
5996         in shlibs if linking -shared.
5998         PR gold/6859
5999         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6000         symbols as not needing a dynsym entry.
6002 2008-08-20  Craig Silverstein  <csilvers@google.com>
6004         * fileread.cc (File_read::open): Do not lock the file unless it
6005         was successfully opened.
6007 2008-08-14  Cary Coutant  <ccoutant@google.com>
6009         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6010         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6011         * testsuite/tls_test.cc (struct int128): 128-bit struct
6012         for testing TLS relocs with non-zero addend.
6013         (v12): New TLS variable.
6014         (t12): New test.
6015         (t_last): Add check for v12.
6016         * testsuite/tls_test.h (t12): New function.
6017         * testsuite/tls_test_main.cc (thread_routine): Call new test.
6019 2008-08-13  Ian Lance Taylor  <iant@google.com>
6021         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6022         set tls_segment_ or relro_segment_.
6023         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6024         when appropriate.
6025         * output.h (Output_section::clear_is_relro): New function.
6026         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6027         sections specially even when output_data_ is empty.
6028         (Output_segment::maximum_alignment): When first section is relro,
6029         only force alignment for PT_LOAD segments.
6030         * script.cc (script_data_segment_align): New function.
6031         (script_data_segment_relro_end): New function.
6032         * script-c.h (script_data_segment_align): Declare.
6033         (script_data_segment_relro_end): Declare.
6034         * script-sections.h (class Script_sections): Declare
6035         data_segment_align and data_segment_relro_end.  Add fields
6036         segment_align_index_ and saw_relro_end_.
6037         * script-sections.cc (class Sections_element): Add set_is_relro
6038         virtual function.  Add new bool* parameter to place_orphan_here.
6039         Add get_output_section virtual function.
6040         (class Output_section_definition): Add set_is_relro.  Add new
6041         bool* parameter to place_orphan_here.  Add get_output_section.
6042         Add is_relro_ field.
6043         (Output_section_definition::Output_section_definition): Initialize
6044         evaluated_address_, evaluated_load_address, evaluated_addralign_,
6045         and is_relro_ fields.
6046         (Output_section_definition::place_orphan_here): Add is_relro
6047         parameter.
6048         (Output_section_definition::set_section_addresses): Set relro for
6049         output section.
6050         (Output_section_definition::alternate_constraint): Likewise.
6051         (class Orphan_output_section): Add new bool* parameter to
6052         place_orphan_here.  Add get_output_section.
6053         (Orphan_output_section::place_orphan_here): Add is_relro
6054         parameter.
6055         (Script_sections::Script_sections): Initialize
6056         data_segment_align_index_ and saw_relro_end_.
6057         (Script_sections::data_segment_align): New function.
6058         (Script_sections::data_segment_relro_end): New function.
6059         (Script_sections::place_orphan): Set or clear is_relro.
6060         (Script_sections::set_section_addresses): Force alignment of first
6061         TLS section.
6062         * yyscript.y (exp): Call script_data_segment_align and
6063         script_data_segment_relro_end.
6064         * testsuite/relro_script_test.t: New file.
6065         * testsuite/relro_test.cc (using_script): Declare.
6066         (t1, t2): Test using_script.
6067         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6068         (relro_script_test_SOURCES): Define.
6069         (relro_script_test_DEPENDENCIES): Define.
6070         (relro_script_test_LDFLAGS): Define.
6071         (relro_script_test_LDADD): Define.
6072         (relro_script_test.so): New target.
6073         * testsuite/Makefile.in: Rebuild.
6075 2008-08-06  Cary Coutant <ccoutant@google.com>
6077         * archive.cc (Archive::total_archives, Archive::total_members)
6078         (Archive::total_members_loaded): New variables.
6079         (Archive::setup): Add parameter.  Add option to preread
6080         archive symbols.
6081         (Archive::read_armap): Add counter.
6082         (Archive::get_file_and_offset): New function.
6083         (Archive::get_elf_object_for_member): New function.
6084         (Archive::read_all_symbols): New function.
6085         (Archive::read_symbols): New function.
6086         (Archive::add_symbols): Add counters.
6087         (Archive::include_all_members): Use armap to find members if it's
6088         already built.
6089         (Archive::include_member): Skip reading symbols if already read.
6090         Factored code into Archive::get_file_and_offset and
6091         Archive::get_elf_object_for_member.  Changed call to
6092         Mapfile::report_include_archive_member.
6093         (Archive::print_stats): New function.
6094         * archive.h: Declare Object and Read_symbols_data classes.
6095         (Archive::Archive): Add initializers for new members.
6096         (Archive::setup): Add parameter.
6097         (Archive::print_stats): New function.
6098         (Archive::total_archives, Archive::total_members)
6099         (Archive::total_members_loaded): New variables.
6100         (Archive::get_file_and_offset): New function.
6101         (Archive::get_elf_object_for_member): New function.
6102         (Archive::read_all_symbols): New function.
6103         (Archive::read_symbols): New function.
6104         (Archive::Archive_member): New class.
6105         (Archive::members_): New member.
6106         (Archive::num_members_): New member.
6107         * main.cc: Include archive.h.
6108         (main): Call Archive::print_stats.
6109         * mapfile.cc (Mapfile::report_include_archive_member): Delete
6110         archive parameter; member_name is now the fully-decorated name.
6111         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6112         * options.h: (General_options): Add --preread-archive-symbols option.
6113         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6114         Archive::setup.
6116 2008-08-04  Ian Lance Taylor  <iant@google.com>
6118         * symtab.h (Symbol::use_plt_offset): New function.
6119         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6120         * powerpc.cc (Relocate::relocate): Likewise.
6121         * sparc.cc (Relocate::relocate): Likewise.
6122         * x86_64.cc (Relocate::relocate): Likewise.
6123         * testsuite/weak_plt.sh: New test.
6124         * testsuite/weak_plt_main.cc: New test.
6125         * testsuite/weak_plt_shared.cc: New test.
6126         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6127         (check_PROGRAMS): Add weak_plt.
6128         (check_DATA): Add weak_plt_shared.so.
6129         (weak_plt_main_pic.o, weak_plt): New targets.
6130         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6131         * testsuite/Makefile.in: Rebuild.
6133         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6134         gcctestdir/ld.
6135         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6136         * testsuite/Makefile.in: Rebuild.
6138 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
6140         * Makefile.am (POTFILES.in): Set LC_ALL=C.
6141         * Makefile.in: Regenerate.
6142         * po/POTFILES.in: Regenerate.
6144 2008-07-29  Ian Lance Taylor  <iant@google.com>
6146         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6147         symbols before other symbols.
6148         * testsuite/script_test_2.cc (test_addr): Declare.
6149         (test_addr_alias): Declare.
6150         (main): Check that test_addr and test_addr_alias have the right
6151         values.
6152         * testsuite/script_test_2.t: Define test_addr_alias and
6153         test_addr.
6155 2008-07-24  Ian Lance Taylor  <iant@google.com>
6157         PR 5990
6158         * descriptors.cc: New file.
6159         * descriptors.h: New file.
6160         * gold-threads.h (class Hold_optional_lock): New class.
6161         * fileread.cc: Include "descriptors.h".
6162         (File_read::~File_read): Release descriptor rather than closing
6163         it.
6164         (File_read::open) [file]: Call open_descriptor rather than open.
6165         Set is_descriptor_opened_.
6166         (File_read::open) [memory]: Assert that descriptor is not open.
6167         (File_read::reopen_descriptor): New function.
6168         (File_read::release): Release descriptor.
6169         (File_read::do_read): Make non-const.  Reopen descriptor.
6170         (File_read::read): Make non-const.
6171         (File_read::make_view): Reopen descriptor.
6172         (File_read::do_readv): Likewise.
6173         * fileread.h (class File_read): Add is_descriptor_opened_ field.
6174         Update declarations.
6175         * layout.cc: Include "descriptors.h".
6176         (Layout::create_build_id): Use open_descriptor rather than open.
6177         * output.cc: Include "descriptors.h".
6178         (Output_file::open): Use open_descriptor rather than open.
6179         * archive.cc (Archive::const_iterator): Change Archive to be
6180         non-const.
6181         (Archive::begin, Archive::end): Make non-const.
6182         (Archive::count_members): Likewise.
6183         * archive.h (class Archive): Update declarations.
6184         * object.h (Object::read): Make non-const.
6185         * Makefile.am (CCFILES): Add descriptors.cc.
6186         (HFILES): Add descriptors.h.
6187         * Makefile.in: Rebuild.
6189         PR 6716
6190         * gold.h: Always include <clocale>.  Add Solaris workarounds
6191         following code in binutils/sysdep.h.
6193         PR 6048
6194         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6195         this->eh_frame_hdr_ is NULL before using it.
6197         * dynobj.cc (Versions::Versions): Update comment.
6199         * dynobj.cc (Versions::Versions): If there is an soname, use it as
6200         the base version name.
6202         * stringpool.cc (Stringpool_template::add_with_length): Set key to
6203         array size plus one.
6204         (Stringpool_template::set_string_offsets): Subtract one from key
6205         before using it as an array index.
6206         (Stringpool_template::get_offset_with_length): Likewise.
6207         (Stringpool_template::write_to_buffer): Likewise.
6208         * stringpool.h (Stringpool_template::get_offset_from_key):
6209         Likewise.
6211 2008-07-23  Ian Lance Taylor  <iant@google.com>
6213         PR 6658
6214         * object.h (Merged_symbol_value::value): Do our best to handle a
6215         negative addend.
6217         PR 6647
6218         * script.cc (Version_script_info::get_versions): Don't add empty
6219         version tag to return value.
6220         (Version_script_info::get_symbol_version_helper): Change return
6221         type to bool.  Add pversion parameter.  Change all callers.
6222         (script_register_vers_node): Don't require a non-NULL tag.
6223         * script.h (class Version_script_info): Update declarations.
6224         (Version_script_info::get_symbol_version): Change return type to
6225         bool.  Add version parameter.  Change all callers.
6226         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6227         handling.  Handle an empty version from a version script.
6228         (Symbol_table::define_special_symbol): Likewise.
6229         * testsuite/ver_test_10.script: New file.
6230         * testsuite/ver_test_10.sh: New file.
6231         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6232         (check_DATA): Add ver_test_10.syms.
6233         (ver_test_10.syms, ver_test_10.so): New target.
6234         * testsuite/Makefile.in: Rebuild.
6236 2008-07-23  Simon Baldwin  <simonb@google.com>
6238         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6239         to zero for undefined symbols from dynamic libraries.
6241 2008-07-23  Ian Lance Taylor  <iant@google.com>
6243         * symtab.cc (Symbol_table::resolve): Remove version parameter.
6244         Change all callers.
6245         * symtab.h (class Symbol_table): Update declaration.
6246         * testsuite/ver_test_9.cc: New file.
6247         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6248         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6249         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6250         (ver_test_9.so, ver_test_9.o): New targets.
6251         * testsuite/Makefile.in: Rebuild.
6253 2008-07-22  Ian Lance Taylor  <iant@google.com>
6255         * options.h (class General_options): Define --check-sections.
6256         * layout.cc (Layout::set_segment_offsets): Handle
6257         --check-sections.
6259         * options.h (class General_options): Define -n/--nmagic and
6260         -N/--omagic.
6261         * options.cc (General_options::finalize): For -n/--nmagic or
6262         -N/--omagic, set -static.
6263         * layout.cc (Layout::attach_allocated_section_to_segment): If
6264         -N/--omagic, don't put read-only and read-write sections in
6265         different segments.
6266         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6267         finding a read-only segment.
6268         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6269         don't set the minimum segment alignment to the common page size,
6270         and don't set the file offset to the address modulo the page size.
6271         * script-sections.cc (Script_sections::create_segments): If
6272         -n/--omagic, don't put read-only and read-write sections in
6273         different segments.
6275         * cref.cc: New file.
6276         * cref.h: New file.
6277         * options.h (class General_options): Add --print-symbol-counts.
6278         * main.cc (main): Issue defined symbol report if requested.
6279         * archive.cc (Archive::interpret_header): Make into a const member
6280         function.
6281         (Archive::add_symbols): Call Input_objects::archive_start and
6282         archive_stop.
6283         (Archive::const_iterator): Define new class.
6284         (Archive::begin, Archive::end): New functions.
6285         (Archive::include_all_members): Rewrite to use iterator.
6286         (Archive::count_members): New function.
6287         * archive.h (class Archive): Update declarations.
6288         (Archive::filename): New function.
6289         * object.cc: Include "cref.h".
6290         (Sized_relobj::Sized_relobj): Initialize defined_count_.
6291         (Sized_relobj::do_get_global_symbol_counts): New function.
6292         (Input_objects::add_object): Add object to cross-referencer.
6293         (Input_objects::archive_start): New function.
6294         (Input_objects::archive_stop): New function.
6295         (Input_objects::print_symbol_counts): New function.
6296         * object.h: Declare Cref and Archive.
6297         (Object::get_global_symbol_counts): New function.
6298         (Object::do_get_global_symbol_counts): New pure virtual function.
6299         (class Sized_relobj): Add defined_count_ field.  Update
6300         declarations.
6301         (class Input_objects): Add cref_ field.  Update constructor.
6302         Update declarations.
6303         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6304         defined_count_.
6305         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6306         symbol counts.
6307         (Sized_dynobj::do_get_global_symbol_counts): New function.
6308         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6309         defined_count_.  Update declarations.  Define Symbols typedef.
6310         * symtab.cc (Symbol_table::add_from_relobj): Add defined
6311         parameter.  Change all callers.
6312         (Symbol_table::add_from_dynobj): Add sympointers and defined
6313         parameters.  Change all callers.
6314         * symtab.h (class Symbol_table): Update declarations.
6315         * Makefile.am (CCFILES): Add cref.cc.
6316         (HFILES): Add cref.h.
6317         * Makefile.in: Rebuild.
6319 2008-07-22  Simon Baldwin  <simonb@google.com>
6321         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6322         to zero when writing undefined symbols.
6324 2008-07-22  Ian Lance Taylor  <iant@google.com>
6326         * output.cc (Output_section::add_input_section): Don't try to
6327         merge empty merge sections.
6329 2008-07-21  Craig Silverstein  <csilvers@google.com>
6331         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6332         Include symbol version in error message.
6334 2008-07-20  Chris Demetriou  <cgd@google.com>
6336         * configure.ac (gold_cv_c_random_seed): New configured variable.
6337         (RANDOM_SEED_CFLAGS): New substituted variable.
6338         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6339         * configure: Rebuild.
6340         * Makefile.in: Likewise.
6341         * testsuite/Makefile.in: Likewise.
6343 2008-07-18  Ian Lance Taylor  <iant@google.com>
6345         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6346         where we see NAME/NULL and NAME/VERSION  as separate symbols.
6347         * testsuite/ver_test_main.cc (main): Call t4.
6348         (t4, t4_2a): Define.
6349         * testsuite/ver_test_2.cc (t4_2): Define.
6350         * testsuite/ver_test_2.script: Put t4_2a in VER2.
6351         * testsuite/ver_test_4.cc (t4_2a): Define.
6352         * testsuite/ver_test_4.script: Put t4_2a in VER2.
6353         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6355 2008-07-17  Ian Lance Taylor  <iant@google.com>
6357         * dynobj.cc (Versions::add_def): If we give an error about a
6358         missing version, go ahead and create the version anyhow.
6360 2008-07-10  Ian Lance Taylor  <iant@google.com>
6362         Handle output sections with more than 0x7fffffff bytes.
6363         * object.h (class Relobj): Change map_to_output_ to
6364         output_sections_, and just keep a section pointer.  Change all
6365         uses.  Move comdat group support to Sized_relobj.
6366         (Relobj::is_section_specially_mapped): Remove.
6367         (Relobj::output_section): Remove poff parameter.  Change all
6368         callers.
6369         (Relobj::output_section_offset): New function.
6370         (Relobj::set_section_offset): Rewrite.
6371         (Relobj::map_to_output): Remove.
6372         (Relobj::output_sections): New function.
6373         (Relobj::do_output_section_offset): New pure virtual function.
6374         (Relobj::do_set_section_offset): Likewise.
6375         (class Sized_relobj): Add section_offsets_ field.  Add comdat
6376         group support from Relobj.  Update declarations.
6377         (Sized_relobj::get_output_section_offset): New function.
6378         (Sized_relobj::do_output_section_offset): New function.
6379         (Sized_relobj::do_set_section_offset): New function.
6380         * object.cc (Relobj::output_section_address): Remove.
6381         (Sized_relobj::Sized_relobj): Initialize new fields.
6382         (Sized_relobj::include_section_group): Cast find_kept_object to
6383         Sized_relobj.
6384         (Sized_relobj::include_linkonce_section): Likewise.
6385         (Sized_relobj::do_layout): Use separate arrays for output section
6386         and output offset.
6387         (Sized_relobj::do_count_local_symbols): Change map_to_output to
6388         output_sections.
6389         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6390         output_sections and section_offsets.
6391         (Sized_relobj::write_local_symbols): Likewise.
6392         (map_to_kept_section): Compute output address directly.
6393         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6394         output_sections and section_offsets.
6395         (Sized_relobj::write_sections): Likewise.
6396         (Sized_relobj::relocate_sections): Likewise.
6397         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6398         * output.h (class Output_reloc): Update declarations.  Change
6399         u2_.relobj to Sized_relobj*.
6400         (class Output_data_reloc): Change add functions to use
6401         Sized_relobj*.
6402         * output.cc (Output_reloc::Output_reloc): Change relobj to
6403         Sized_relobj*.
6404         (Output_reloc::local_section_offset): Change return type to
6405         Elf_Addr.  Use get_output_section_offset.
6406         (Output_reloc::get_address): Likewise.
6407         (Output_section::is_input_address_mapped): Don't call
6408         is_section_specially_mapped.
6409         (Output_section::output_offset): Likewise.
6410         (Output_section::output_address): Likewise.
6411         (Output_section::starting_output_address): Likewise.
6412         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6413         parameter to Sized_relobj*.
6414         (Copy_relocs::need_copy_reloc): Likewise.
6415         (Copy_relocs::save): Likewise.
6416         * copy-relocs.h (class Copy_relocs): Update declarations.
6417         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6418         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
6419         * target-reloc.h (relocate_for_relocatable): Change
6420         offset_in_output_section type to Elf_Addr.  Change code that uses
6421         it as well.
6422         * layout.cc (Layout::layout): Always set *off.
6423         * mapfile.cc (Mapfile::print_input_section): Use
6424         output_section_offset.
6425         * i386.cc (Target_i386::copy_reloc): Change object parameter to
6426         Sized_relobj*.
6427         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6428         * sparc.cc (Target_sparc::copy_reloc): Likewise.
6429         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6431 2008-07-03  Ian Lance Taylor  <iant@google.com>
6433         * layout.cc (Layout::include_section): Do not discard unrecognized
6434         SHT_STRTAB sections.
6436 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
6438         * script.cc (Lex::can_continue_name): Make '?' allowable in
6439         version-script names.
6440         * testsuite/version_script.map: Change glob pattern to use '?'
6442 2008-06-30  Manish Singh  <yosh@gimp.org>
6444         PR 6585
6445         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6446         Correct typo.
6448 2008-06-30  Ian Lance Taylor  <iant@google.com>
6450         PR 6660
6451         PR 6682
6452         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6453         versions]: Don't try to read the value in the contents, since we
6454         don't use it.  Use the template endianness when writing.
6456 2008-06-25  Cary Coutant  <ccoutant@google.com>
6458         * fileread.cc (File_read::make_view): Assert on zero-length view.
6459         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6460         symbol table when there are no symbols to read.
6462 2008-06-23  Craig Silverstein  <csilvers@google.com>
6464         * version.cc (version_string): Bump to 1.7
6466 2008-06-18  Craig Silverstein  <csilvers@google.com>
6468         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6469         constant 0xFFFF to type Valtype.
6470         (Powerpc_relocate_functions::rel16_ha): Likewise.
6472 2008-06-17  Ian Lance Taylor  <iant@google.com>
6474         * output.h (Output_section::Input_section): Initialize p2align_ to
6475         zero for Output_section_data constructors.
6476         (Output_section::Input_section::addralign): If not an input
6477         section, return the alignment of the Output_section_data.
6478         * testsuite/copy_test.cc: New file.
6479         * testsuite/copy_test_1.cc: New file.
6480         * testsuite/copy_test_2.cc: New file.
6481         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6482         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6483         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6484         (copy_test_1_pic.o, copy_test_1.so): New targets.
6485         (copy_test_2_pic.o, copy_test_2.so): New targets.
6486         * testsuite/Makefile.in: Rebuild.
6488         * script-sections.cc (Script_sections::place_orphan): Initialize
6489         local variable exact.
6491 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
6493         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6495 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
6496             David S. Miller  <davem@davemloft.net>
6498         * powerpc.cc: New file.
6499         * Makefile.am (TARGETSOURCES): Add powerpc.cc
6500         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6501         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6502         * Makefile.in: Rebuild.
6504 2008-06-09  Ian Lance Taylor  <iant@google.com>
6506         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6507         <exception>.
6508         (throwing, orig_terminate): New static variables.
6509         (terminate_handler): New static function.
6510         (t2): Set terminate handler.
6512 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
6514         PR 6584
6515         * binary.cc (Binary_to_elf::sized_convert): Fix .data
6516         alignment.
6518 2008-05-30  Cary Coutant  <ccoutant@google.com>
6520         * archive.cc (Archive::include_all_members) Correct to step
6521         over symbol table and extended name table in thin archives.
6523 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
6525         PR 6407
6526         * target-reloc.h (relocate_for_relocatable): Fix new_offset
6527         calculation.
6529 2008-05-28  Caleb Howe  <cshowe@google.com>
6531         * reduced_debug_output.cc: New file.
6532         * reduced_debug_output.h: New file.
6533         * options.h (class General_options): Add --strip-debug-non-line.
6534         * options.cc (General_options::finalize): Add strip_debug_non_line
6535         to the strip heirarchy.
6536         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6537         fields.
6538         * layout.cc: Include "reduced_debug_output.h".
6539         (Layout::Layout): Initialize new fields.
6540         (line_only_debug_sections): New static array.
6541         (is_lines_only_debug_sections): New static inline function.
6542         (Layout::include_section): Handle --strip-debug-non-line.
6543         (Layout::make_output_section): If --strip-debug-non-line, build
6544         new output sections for .debug_abbrev and .debug_info.
6545         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6546         gold.  Warn about possible overflow.
6547         (read_signed_LEB_128): Likewise.
6548         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6549         (read_signed_LEB_128): Declare.
6550         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6551         (HFILES): Add reduced_debug_output.h.
6552         * Makefile.in: Rebuild.
6554 2008-05-21  Ian Lance Taylor  <iant@google.com>
6556         * mapfile.cc: New file.
6557         * mapfile.h: New file.
6558         * options.h (class General_options): Add -M/--print-map and -Map.
6559         * options.cc (General_options::finalize): Make -M equivalent to
6560         -Map -.
6561         * main.cc: Include <cstdio> and "mapfile.h".
6562         (main): Open mapfile if requested.
6563         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
6564         constructor.  Change caller.
6565         (queue_initial_tasks): Add mapfile parameter.  Change caller.
6566         (queue_middle_tasks): Likewise.
6567         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6568         declarations.
6569         * archive.cc: Include "mapfile.h".
6570         (Archive::add_symbols): Add mapfile parameter.  Change all
6571         callers.  Pass mapfile, symbol, and reason to include_member.
6572         (Archive::include_all_members): Add mapfile parameter.  Change all
6573         callers.
6574         (Archive::include_member): Add mapfile, sym, and why parameters.
6575         Change all callers.  Report inclusion to map file.
6576         * archive.h: Include "fileread.h".
6577         (class Archive): Update declarations.
6578         (Archive::file): New const method.
6579         (class Add_archive_symbols): Add mapfile_ field.  Update
6580         constructor.  Change all callers.
6581         * readsyms.h (class Read_symbols): Likewise.
6582         (class Finish_group): Likewise.
6583         (class Read_script): Likewise.
6584         * common.cc: Include "mapfile.h".
6585         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
6586         all callers.
6587         (Symbol_table::do_allocate_commons): Likewise.
6588         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
6589         symbol allocation to mapfile.
6590         * common.h (class Allocate_commons_task): Add mapfile_ field.
6591         Update constructor.  Change all callers.
6592         * symtab.h (class Symbol_table): Update declarations.
6593         * layout.cc: Include "mapfile.h".
6594         (Layout_task_runner::run): Print information to mapfile.
6595         (Layout::create_gold_note): Change Output_data_fixed_space to
6596         Output_data_zero_fill.
6597         (Layout::create_build_id): Likewise.
6598         (Layout::print_to_mapfile): New function.
6599         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
6600         constructor.  Change caller.
6601         (class Layout): Declare print_to_mapfile.
6602         * output.cc (Output_section::Input_section::print_to_mapfile): New
6603         function.
6604         (Output_section::add_input_section): If producing a map, always
6605         add to input_sections_ list.
6606         (Output_section::do_print_to_mapfile): New function.
6607         (Output_segment::print_sections_to_mapfile): New function.
6608         (Output_segment::print_section_list_to_mapfile): New function.
6609         * output.h: Include "mapfile.h".
6610         (Output_data::print_to_mapfile): New function.
6611         (Output_data::do_print_to_mapfile): New virtual function.
6612         (Output_segment_headers::do_print_to_mapfile): New function.
6613         (Output_file_header::do_print_to_mapfile): New function.
6614         (Output_data_const::do_print_to_mapfile): New function.
6615         (class Output_data_const_buffer): Add map_name_ field.  Update
6616         constructor.  Change all callers.  Add do_print_to_mapfile
6617         function.
6618         (class Output_data_fixed_space): Likewise.
6619         (class Output_data_space): Likewise.
6620         (class Output_data_zero_fill): New class.
6621         (Output_data_strtab::do_print_to_mapfile): New function.
6622         (Output_data_reloc_base::do_print_to_mapfile): New function.
6623         (Output_relocatable_relocs::do_print_to_mapfile): New function.
6624         (Output_data_group::do_print_to_mapfile): New function.
6625         (Output_data_got::do_print_to_mapfile): New function.
6626         (Output_data_dynamic::do_print_to_mapfile): New function.
6627         (Output_symtab_xindex::do_print_to_mapfile): New function.
6628         (class Output_section): Declare do_print_to_mapflie.  Declare
6629         print_to_mapfile in Input_section.
6630         (class Output_segment): Declare new functions.
6631         * object.h (Sized_relobj::symbol_count): New function.
6632         * script-sections.cc
6633         (Output_section_element_dot_assignment::set_section_addresses):
6634         Change Output_data_fixed_space to Output_data_zero_fill.
6635         (Output_data_expression::do_print_to_mapfile): New function.
6636         * script.cc (read_input_script): Add mapfile parameter.  Change
6637         all callers.
6638         * script.h (read_input_script): Update declaration.
6639         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6640         (Eh_frame::do_print_to_mapfile): New function.
6641         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6642         (Output_merge_string::do_print_to_mapfile): New function.
6643         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6644         function.
6645         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6646         function.
6647         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6648         function.
6649         * Makefile.am (CCFILES): Add mapfile.cc.
6650         (HFILES): Add mapfile.h.
6651         * Makefile.in: Rebuild.
6653 2008-05-19  Ian Lance Taylor  <iant@google.com>
6655         * options.h (class General_options): Add -z relro.
6656         * layout.cc (Layout::Layout): Initialize relro_segment_.
6657         (Layout::add_output_section_data): Return the output section.
6658         (Layout::make_output_section): Rcognize relro sections and mark
6659         them appropriately.
6660         (Layout::attach_allocated_section_to_segment): Put relro sections
6661         in a PT_GNU_RELRO segment.
6662         (Layout::create_initial_dynamic_sections): Mark the .dynamic
6663         section as relro.
6664         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6665         PT_TLS segments.
6666         (Layout::linkonce_mapping): Map d.rel.ro.local to
6667         .data.rel.ro.local.
6668         (Layout::output_section_name): Us .data.rel.ro.local for any
6669         section which begins with that.
6670         * layout.h (class Layout): Update add_output_section_data
6671         declaration.  Add relro_segment_ field.
6672         * output.cc (Output_section::Output_section): Initialize is_relro_
6673         and is_relro_local_ fields.
6674         (Output_segment::add_output_section): Group relro sections.
6675         (Output_segment::is_first_section_relro): New function.
6676         (Output_segment::maximum_alignment): If there is a relro section,
6677         align the segment to the common page size.
6678         (Output_segment::set_section_addresses): Track whether we are
6679         looking at relro sections.  If the last section is a relro
6680         section, align to the common page size.
6681         (Output_segment::set_section_list_addresses): Add in_relro
6682         parameter.  Change all callers.  Align to the page size when
6683         moving from relro to non-relro section.
6684         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6685         segment.
6686         * output.h (class Output_section): Add is_relro_ and
6687         is_relro_local_ fields.
6688         (Output_section::is_relro): New function.
6689         (Output_section::set_is_relro): New function.
6690         (Output_section::is_relro_local): New function.
6691         (Output_section::set_is_relro_local): New function.
6692         (class Output_segment): Update declarations.
6693         * i386.cc (Target_i386::got_section): Mark .got section as relro.
6694         * sparc.cc (Target_sparc::got_section): Likewise.
6695         * x86_64.cc (Target_x86_64::got_section): Likewise.
6696         * testsuite/relro_test_main.cc: New file.
6697         * testsuite/relro_test.cc: New file.
6698         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6699         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6700         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6701         (relro_test.so, relro_test_pic.o): New targets.
6702         * testsuite/Makefile.in: Rebuild.
6704 2008-05-16  Ian Lance Taylor  <iant@google.com>
6706         * output.cc (Output_segment::add_output_section): Remove front
6707         parameter.
6708         * output.h (class Output_segment): Remove
6709         add_initial_output_section and overloaded add_output_section.
6710         Update declaration of remaining add_output_section.
6711         * layout.cc (Layout::create_interp): Call add_output_section
6712         rather than add_initial_output_section.
6713         (Layout::finish_dynamic_section): Likewise.
6715         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6716         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
6717         know the dynamic type.
6718         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6719         field.  Initialize it in constructor.
6720         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6721         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6722         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6723         reloc.
6725         * output.cc (Output_reloc::get_address): Change return type to
6726         Elf_Addr.
6727         * output.h (class Output_reloc): Update get_address declaration.
6728         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6729         for section addresses.
6731 2008-05-09  Ian Lance Taylor  <iant@google.com>
6733         PR 6493
6734         * gold.cc (gold_nomem): Use return value of write.
6736 2008-05-08  Ian Lance Taylor  <iant@google.com>
6738         * symtab.c (Symbol::init_base_output_data): Add version
6739         parameter.  Change all callers.
6740         (Symbol::init_base_output_segment): Likewise.
6741         (Symbol::init_base_constant): Likewise.
6742         (Symbol::init_base_undefined): Likewise.
6743         (Sized_symbol::init_output_data): Likewise.
6744         (Sized_symbol::init_output_segment): Likewise.
6745         (Sized_symbol::init_constant): Likewise.
6746         (Sized_symbol::init_undefined): Likewise.
6747         (Symbol_table::do_define_in_output_data): If the new symbol has a
6748         version, mark it as the default.
6749         (Symbol_table::do_define_in_output_segment): Likewise.
6750         (Symbol_table::do_define_as_constant): Likewise.
6751         * symtab.h (class Symbol): Update declarations.
6752         (class Sized_symbol): Likewise.
6753         * resolve.cc (Symbol::override_version): New function.
6754         (Symbol::override_base): Call override_version.
6755         (Symbol::override_base_with_special): Likewise.
6756         * testsuite/ver_script_8.script: New file.
6757         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6758         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6759         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6760         (ver_test_8_1.so, ver_test_8_2.so): New targets.
6762 2008-05-06  Ian Lance Taylor  <iant@google.com>
6764         PR 6049
6765         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6766         functions.
6767         (class General_options): Remove existing --undefined, and add
6768         --no-undefined instead.  Add new --undefined as synonym for -u.
6769         * archive.cc (Archive::add_symbols): Check whether symbol was
6770         named with -u.
6771         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6772         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6773         all uses.  Add IS_UNDEFINED.  Update declarations to split
6774         different versions of init_base.  Declare init_base_undefined.
6775         (Symbol::is_defined): Handle IS_UNDEFINED.
6776         (Symbol::is_undefined): Likewise.
6777         (Symbol::is_weak_undefined): Call is_undefined.
6778         (Symbol::is_absolute): Handle IS_CONSTANT.
6779         (class Sized_symbol): Update declarations to split different
6780         versions of init.  Declare init_undefined.
6781         (class Symbol_table): Declare new functions.
6782         * symtab.cc (Symbol::init_base_object): Rename from init_base.
6783         Change all callers.
6784         (Symbol::init_base_output_data): Likewise.
6785         (Symbol::init_base_output_segment): Likewise.
6786         (Symbol::init_base_constant): Likewise.
6787         (Symbol::init_base_undefined): New function.
6788         (Sized_symbol::init_object): Rename from init.  Change all
6789         callers.
6790         (Sized_symbol::init_output_data): Likewise.
6791         (Sized_symbol::init_output_segment): Likewise.
6792         (Sized_symbol::init_constant): Likewise.
6793         (Sized_symbol::init_undefined): New function.
6794         (Symbol_table::add_undefined_symbols_from_command_line): New
6795         function.
6796         (Symbol_table::do_add_undefined_symbols_from_command_line): New
6797         function.
6798         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6799         (Symbol::output_section): Likewise.
6800         (Symbol::set_output_section): Likewise.
6801         (Symbol_table::sized_finalize_symbol): Likewise.
6802         (Symbol_table::sized_write_globals): Likewise.
6803         * resolve.cc (Symbol_table::should_override): Likewise.
6804         (Symbol::override_base_with_special): Likewise.
6806         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6807         symbol, change it to have default visibility.
6808         * testsuite/protected_1.cc: New file.
6809         * testsuite/protected_2.cc: New file.
6810         * testsuite/protected_3.cc: New file.
6811         * testsuite/protected_main_1.cc: New file.
6812         * testsuite/protected_main_2.cc: New file.
6813         * testsuite/protected_main_3.cc: New file.
6814         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6815         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6816         (protected_1_LDFLAGS, protected_1_LDADD): Define.
6817         (protected_1.so): New target.
6818         (protected_1_pic.o, protected_2_pic.o): New targets.
6819         (protected_3_pic.o): New target.
6820         (check_PROGRAMS): Add protected_2.
6821         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6822         (protected_2_LDFLAGS, protected_2_LDADD): Define.
6823         * testsuite/Makefile.in: Rebuild.
6825         * options.h (DEFINE_var): Add set_user_set_##varname__.
6826         (DEFINE_bool_alias): New macro.
6827         (class General_options): Define -Bstatic using DEFINE_bool_alias
6828         rather than DEFINE_special.  Add --undefined as an alias for -z
6829         defs.
6830         * options.cc (General_options::parse_Bstatic): Remove.
6832         * options.h (class General_options): Add --fatal-warnings.
6833         * main.cc (main): Implement --fatal-warnings.
6834         * errors.h (Errors::warning_count): New function.
6836         * options.h (class General_options): Add -Bsymbolic-functions.
6837         * symtab.h (Symbol::is_preemptible): Check for
6838         -Bsymbolic-functions.
6840 2008-05-05  Ian Lance Taylor  <iant@google.com>
6842         * options.h (DEFINE_bool): For DASH_Z, create the negative option
6843         as noVARNAME rather than no-VARNAME.
6844         (class General_options): Add option -z combreloc.
6845         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6846         get_address.
6847         (Output_reloc::sort_before) [SHT_REL]: New function.
6848         (Output_reloc::sort_before) [SHT_RELA]: New function.
6849         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
6850         Sort_relocs_comparison.
6851         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6852         parameter.  Change all callers.
6853         (Output_data_reloc::Output_data_reloc) [both versions]: Add
6854         sort_relocs parameter.  Change all callers.
6855         * output.cc (Output_reloc::get_address): New function, broken out
6856         of write_rel.
6857         (Output_reloc::write_rel): Call it.
6858         (Output_reloc::compare): New function.
6859         (Output_data_reloc_base::do_write): Optionally sort relocs.
6861         * configure.ac: If targ_extra_obj is set, link it in.
6862         * configure.tgt: Initialize all variables.
6863         (x86_64*): Set targ_extra_obj and targ_extra_size.
6864         * configure: Rebuild.
6866         * object.cc (Sized_relobj::include_section_group): Adjust section
6867         indexes read from group data.  Build vector to pass to
6868         layout_group.
6869         * layout.cc (Layout::layout_group): Add flags and shndxes
6870         parameters.  Remove contents parameter.  Change caller.  Update
6871         explicit instantiations.
6872         * layout.h (class Layout): Update layout_group declaration.
6873         * output.cc (Output_data_group::Output_data_group): Add flags and
6874         input_shndxes parameters.  Remove contents parameter.  Change
6875         caller.
6876         (Output_data_group::do_write): Change input_sections_ to
6877         input_shndxes_.
6878         * output.h (class Output_data_group): Update constructor
6879         declaration.  Rename input_sections_ to input_shndxes_.
6880         * testsuite/many_sections_test.cc: Add template.
6882 2008-04-30  Cary Coutant  <ccoutant@google.com>
6884         * target-reloc.h (relocate_section): Fix dead-pointer bug.
6886         * layout.cc (Layout::include_section): Refactored check for debug
6887         info section.
6888         (Layout::add_comdat): Add new parameters.  Change type
6889         of signature parameter.  Add object and shndx to signatures table.
6890         (Layout::find_kept_object): New function.
6891         * layout.h: Include <cstring>.
6892         (Layout::is_debug_info_section): New function.
6893         (Layout::add_comdat): Add new parameters.
6894         (Layout::find_kept_object): New function.
6895         (Layout::Kept_section): New struct.
6896         (Layout::Signatures): Change type of map range.
6897         * object.cc (Relobj::output_section_address): New function.
6898         (Sized_relobj::include_section_group): Add new parameters.  Change
6899         calls to Layout::add_comdat.  Change to build table of kept comdat
6900         groups and table mapping discarded sections to kept sections.
6901         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
6902         (Sized_relobj::do_layout): Change calls to include_section_group and
6903         include_linkonce_section.
6904         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6905         value to zero when section is discarded.
6906         (Sized_relobj::map_to_kept_section): New function.
6907         * object.h (Relobj::output_section_address): New function.
6908         (Relobj::Comdat_group): New type.
6909         (Relobj::find_comdat_group): New function.
6910         (Relobj::Comdat_group_table): New type.
6911         (Relobj::Kept_comdat_section): New type.
6912         (Relobj::Kept_comdat_section_table): New type.
6913         (Relobj::add_comdat_group): New function.
6914         (Relobj::set_kept_comdat_section): New function.
6915         (Relobj::get_kept_comdat_section): New function.
6916         (Relobj::comdat_groups_): New field.
6917         (Relobj::kept_comdat_sections_): New field.
6918         (Symbol_value::input_value): Update comment.
6919         (Sized_relobj::map_to_kept_section) New function.
6920         (Sized_relobj::include_linkonce_section): Add new parameter.
6921         * target-reloc.h (Comdat_behavior): New type.
6922         (get_comdat_behavior): New function.
6923         (relocate_section): Add code to map a discarded section to the
6924         corresponding kept section when applying a relocation.
6926 2008-04-30  Craig Silverstein  <csilvers@google.com>
6928         * dwarf_reader.cc (next_generation_count): New static var.
6929         (Addr2line_cache_entry): New struct.
6930         (addr2line_cache): New static var.
6931         (Dwarf_line_info::one_addr2line): Added caching.
6932         (Dwarf_line_info::clear_addr2line_cache): New function.
6933         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6934         cache-size parameter.
6935         (Dwarf_line_info::one_addr2line_cache): New function.
6936         * symtab.cc (Symbol_table::detect_odr_violations): Pass
6937         new cache-size argument to one_addr2line(), and clear cache.
6939 2008-04-28  Cary Coutant  <ccoutant@google.com>
6941         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6942         R_386_PC8 relocations.
6944 2008-04-23  Ian Lance Taylor  <iant@google.com>
6946         * object.cc (Sized_relobj::include_section_group): Check for
6947         invalid section group.
6949         * object.cc (make_elf_object): Correct test for 64-bit ELF file
6950         header size.
6952         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6953         than read for file header.
6954         * archive.cc (Archive::include_member): Likewise.
6956 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6958         * aclocal.m4: Regenerate.
6959         * configure: Regenerate.
6961 2008-04-19  Ian Lance Taylor  <iant@google.com>
6963         * version.cc (version_string): Bump to 1.6.
6965         * testsuite/Makefile.am (many_sections_r_test): New target.
6966         (many_sections_r_test_SOURCES): Remove.
6967         (many_sections_r_test_DEPENDENCIES): Remove.
6968         (many_sections_r_test_LDFLAGS): Remove.
6969         (many_sections_r_test_LDADD): Remove.
6971         * object.cc (Sized_relobj::do_add_symbols): Always pass
6972         local_symbol_count_ to add_from_relobj.
6974         * testsuite/Makefile.am (many_sections_check.h): Only check one in
6975         every thousand variables.
6976         * testsuite/Makefile.in: Rebuild.
6978         * object.cc (Xindex::initialize_symtab_xindex): New function.
6979         (Xindex::read_symtab_xindex): New function.
6980         (Xindex::sym_xindex_to_shndx): New function.
6981         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6982         available.
6983         (Sized_relobj::do_initialize_xindex): New function.
6984         (Sized_relobj::do_read_symbols): Adjust section links.
6985         (Sized_relobj::symbol_section_and_value): Add is_ordinary
6986         parameter.  Change all callers.
6987         (Sized_relobj::include_section_group): Adjust section links and
6988         symbol section indexes.
6989         (Sized_relobj::do_layout): Adjust section links.
6990         (Sized_relobj::do_count_local_symbols): Adjust section links and
6991         symbol section indexes.
6992         (Sized_relobj::do_finalize_local_symbols): Distinguish between
6993         ordinary and special symbols.
6994         (Sized_relobj::write_local_symbols): Add symtab_xindex and
6995         dynsym_xindex parameters.  Change all callers.  Adjust section
6996         links.  Use SHN_XINDEX when needed.
6997         (Sized_relobj::get_symbol_location_info): Adjust section links.
6998         Don't get fooled by special symbols.
6999         * object.h (class Xindex): Define.
7000         (class Object): Add xindex_ parameter.  Declare virtual functoin
7001         do_initialize_xindex.
7002         (Object::adjust_sym_shndx): New function.
7003         (Object::set_xindex): New protected function.
7004         (class Symbol_value): Add is_ordinary_shndx_ field.
7005         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7006         (Symbol_value::value): Assert ordinary section.
7007         (Symbol_value::initialize_input_to_output_map): Likewise.
7008         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7009         Change all callers.
7010         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
7011         all callers.
7012         (class Sized_relobj): Update declarations.
7013         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7014         parameter.  Change all callers.
7015         (Sized_relobj::adjust_shndx): New function.
7016         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7017         field.
7018         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7019         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
7020         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
7021         (Sized_dynobj::read_dynsym_section): Adjust section links.
7022         (Sized_dynobj::read_dynamic): Likewise.
7023         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
7024         section links.
7025         (Sized_dynobj::do_initialize_xindex): New function.
7026         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
7027         do_initialize_xindex.
7028         (Sized_dynobj::adjust_shndx): New function.
7029         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7030         dynsym_xindex_ fields.
7031         (Layout::finalize): Add a call to set_section_indexes before
7032         creating the symtab sections.
7033         (Layout::set_section_indexes): Don't do anything if the section
7034         already has a section index.
7035         (Layout::create_symtab_sections): Add shnum parameter.  Change
7036         caller.  Create .symtab_shndx section if needed.
7037         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
7038         caller.
7039         (Layout::allocated_output_section_count): New function.
7040         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7041         needed.
7042         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7043         fields.  Update declarations.
7044         (Layout::symtab_xindex): New function.
7045         (Layout::dynsym_xindex): New function.
7046         (class Write_symbols_task): Add layout_ field.
7047         (Write_symbols_task::Write_symbols_task): Add layout parameter.
7048         Change caller.
7049         * output.cc (Output_section_headers::Output_section_headers): Add
7050         shstrtab_section parameter.  Change all callers.
7051         (Output_section_headers::do_sized_write): Store overflow values
7052         for section count and section string table section index in
7053         section header zero.
7054         (Output_file_header::do_sized_write): Check for overflow of
7055         section count and section string table section index.
7056         (Output_symtab_xindex::do_write): New function.
7057         (Output_symtab_xindex::endian_do_write): New function.
7058         * output.h (class Output_section_headers): Add shstrtab_section_.
7059         Update declarations.
7060         (class Output_symtab_xindex): Define.
7061         (Output_section::has_out_shndx): New function.
7062         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7063         field.
7064         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7065         Change all callers.
7066         (Sized_symbol::init): Likewise.
7067         (Symbol::output_section): Check for ordinary symbol.
7068         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
7069         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
7070         callers.
7071         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7072         Change all callers.  Simplify handling of symbols from sections
7073         not included in the link.
7074         (Symbol_table::add_from_dynobj): Handle ordinary symbol
7075         distinction.
7076         (Weak_alias_sorter::operator()): Assert that symbols are
7077         ordinary.
7078         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7079         distinction.
7080         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7081         parameters.  Change all callers.
7082         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
7083         symbol distinction.  Use SHN_XINDEX when needed.
7084         (Symbol_table::write_section_symbol): Add symtab_xindex
7085         parameter.  Change all callers.
7086         (Symbol_table::sized_write_section_symbol): Likewise.  Use
7087         SHN_XINDEX when needed.
7088         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
7089         declarations.
7090         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
7091         (Symbol::is_defined): Check is_ordinary.
7092         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7093         (Symbol::is_absolute, Symbol::is_common): Likewise.
7094         (class Sized_symbol): Update declarations.
7095         (class Symbol_table): Update declarations.
7096         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7097         parameters.  Change all callers.
7098         (Sized_symbol::override): Likewise.
7099         (Symbol_table::override): Likewise.
7100         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
7101         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
7102         is_ordinary, and orig_st_shndx parameters.  Change all callers.
7103         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7104         to be in an ordinary section.
7105         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7106         object and is_ordinary parameters.  Change all callers.
7107         (Sized_dwarf_line_info::read_relocs): Add object parameter.
7108         Change all callers.  Don't add undefined or non-ordinary symbols
7109         to reloc_map_.
7110         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7111         Change all callers.
7112         * dwarf_reader.h (class Sized_dwarf_line_info): Update
7113         declarations.
7114         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7115         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7116         (Sized_relobj::relocate_sections): Likewise.
7117         * target-reloc.h (scan_relocs): Adjust section symbol index.
7118         (scan_relocatable_relocs): Likewise.
7119         * i386.cc (Scan::local): Check for ordinary symbols.
7120         * sparc.cc (Scan::local): Likewise.
7121         * x86_64.cc (Scan::local): Likewise.
7122         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7123         to symbol_section_and_value.
7124         * testsuite/many_sections_test.cc: New file.
7125         * testsuite/Makefile.am (BUILT_SOURCES): Define.
7126         (check_PROGRAMS): Add many_sections_test.
7127         (many_sections_test_SOURCES): Define.
7128         (many_sections_test_DEPENDENCIES): Define.
7129         (many_sections_test_LDFLAGS): Define.
7130         (BUILT_SOURCES): Add many_sections_define.h.
7131         (many_sections_define.h): New target.
7132         (BUILT_SOURCES): Add many_sections_check.h.
7133         (many_sections_check.h): New target.
7134         (check_PROGRAMS): Add many_sections_r_test.
7135         (many_sections_r_test_SOURCES): Define.
7136         (many_sections_r_test_DEPENDENCIES): Define.
7137         (many_sections_r_test_LDFLAGS): Define.
7138         (many_sections_r_test_LDADD): Define.
7139         (many_sections_r_test.o): New target.
7140         * testsuite/Makefile.in: Rebuild.
7142 2008-04-17  Cary Coutant  <ccoutant@google.com>
7144         * errors.cc (Errors::info): New function.
7145         (gold_info): New function.
7146         * errors.h (Errors::info): New function.
7147         * gold.h (gold_info): New function.
7148         * object.cc (Input_objects::add_object): Print trace output.
7149         * options.cc (options::parse_set): New function.
7150         (General_options::parse_wrap): Deleted.
7151         (General_options::General_options): Deleted initializer.
7152         * options.h (options::String_set): New typedef.
7153         (options::parse_set): New function.
7154         (DEFINE_set): New macro.
7155         (General_options::wrap): Changed to use DEFINE_set. Changed
7156         callers of any_wrap_symbols and is_wrap_symbol.
7157         (General_options::trace, General_options::trace_symbol):
7158         New options.
7159         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7160         (General_options::wrap_symbols_): Deleted.
7161         * symtab.cc (Symbol_table::add_from_object): Print trace output.
7163 2008-04-17  David S. Miller  <davem@davemloft.net>
7165         * options.cc (General_options::parse_V): New function.
7166         * options.h: Add entries for -V and -Qy.
7168 2008-04-17  Ian Lance Taylor  <iant@google.com>
7170         * common.cc (Symbol_table::allocate_commons): Remove options
7171         parameter.  Change caller.
7172         (Symbol_table::do_allocate_commons): Remove options parameter.
7173         Change caller.  Just call do_allocate_commons_list twice.
7174         (Symbol_table::do_allocate_commons_list): New function, broken out
7175         of do_allocate_commons.
7176         * common.h (class Allocate_commons_task): Remove options_ field.
7177         Update constructor.
7178         * symtab.cc (Symbol_table::Symbol_table): Initialize
7179         tls_commons_.
7180         (Symbol_table::add_from_object): Put TLS common symbols on
7181         tls_commons_ list.
7182         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7183         which are IN_OUTPUT_DATA.
7184         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
7185         allocate_commons and do_allocate_commons declarations.  Declare
7186         do_allocate_commons_list.
7187         * gold.cc (queue_middle_tasks): Update creation of
7188         Allocate_commons_task to not pass options.
7189         * testsuite/Makefile.am (INCLUDES): Add -I.. .
7190         (TLS_TEST_C_FLAGS): New variable.
7191         (tls_test_c_pic.o): New target.
7192         (tls_test_shared.so): Link in tls_test_c_pic.o.
7193         (tls_test_c_pic_ie.o): New target.
7194         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7195         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7196         (tls_test_c.o): New target.
7197         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7198         (tls_pic_test_LDADD): Likewise.
7199         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7200         (tls_shared_gd_to_ie_test_LDADD): Likewise.
7201         (tls_test_c_gnu2.o): New target.
7202         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7203         tls_test_c_gnu2.o.
7204         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7205         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7206         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7207         * testsuite/tls_test.cc: Include "config.h".
7208         (t_last): Call t11_last.
7209         * testsuite/tls_test.h (t11, t11_last): Declare.
7210         * testsuite/tls_test_c.c: New file.
7211         * testsuite/tls_test_main.cc (thread_routine): Call t11.
7212         * configure.ac: Check for OpenMP support.
7213         * configure, config.in, Makefile.in: Rebuild.
7214         * testsuite/Makefile.in: Rebuild.
7216 2008-04-16  Cary Coutant  <ccoutant@google.com>
7218         * i386.cc (Target_i386::define_tls_base_symbol): New function.
7219         (Target_i386::tls_base_symbol_defined_): New field.
7220         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7221         (Target_i386::Scan::global): Likewise.
7222         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7223         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7224         (Target_x86_64::tls_base_symbol_defined_): New field.
7225         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7226         (Target_x86_64::Scan::global): Likewise.
7228 2008-04-16  Cary Coutant  <ccoutant@google.com>
7230         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7231         (Symbol::needs_plt_entry): Allow weak undefined symbols.
7232         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7233         building shared libraries.
7234         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7235         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7236         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7237         * testsuite/Makefile.in: Rebuild.
7238         * testsuite/weak_undef.h: New file.
7239         * testsuite/weak_undef_file1.cc: Add extra test cases.
7240         * testsuite/weak_undef_file2.cc: Likewise.
7241         * testsuite/weak_undef_test.cc: Likewise.
7243 2008-04-16  David S. Miller  <davem@davemloft.net>
7245         * sparc.cc (Target_sparc::Scan): Change from struct to class.
7246         Add issued_non_pic_error_ field.  Declare check_non_pic.
7247         (Target_sparc::Scan::check_non_pic): New function.
7248         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7249         (Target_sparc::Scan::global): Likewise.
7251         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7252         * configure: Rebuild.
7254         * options.h (DEFINE_enable): New macro.
7255         (new_dtags): New enable option.
7256         (initfirst, interpose, loadfltr, nodefaultlib,
7257         nodelete, nodlopen, nodump): New -z options.
7258         * layout.cc (Layout:finish_dynamic_section): If new
7259         dtags enabled, emit DT_RUNPATH.  Also, emit a
7260         DT_FLAGS_1 containing any specified -z flags.
7262 2008-04-16  Ian Lance Taylor  <iant@google.com>
7264         * copy-relocs.cc: New file.
7265         * copy-relocs.h: New file.
7266         * reloc.cc: Remove Copy_relocs code.
7267         * reloc.h: Likewise.
7268         * reloc-types.h (struct Reloc_types) [both versions]: Add
7269         get_reloc_addend_noerror.
7270         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7271         variants of add_global which take an addend which must be zero.
7272         * i386.cc: Include "copy-relocs.h".
7273         (class Target_i386): Change type of copy_relocs_ to variable,
7274         update initializer.
7275         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7276         Change all callers.
7277         (Target_i386::do_finalize_sections): Change handling of
7278         copy_relocs_.
7279         * sparc.cc: Include "copy-relocs.h".
7280         (class Target_sparc): Change type of copy_relocs_ to variable,
7281         update initializer.
7282         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7283         Change all callers.
7284         (Target_sparc::do_finalize_sections): Change handling of
7285         copy_relocs_.
7286         * x86_64.cc: Include "copy-relocs.h".
7287         (class Target_x86_64): Change type of copy_relocs_ to variable,
7288         update initializer.
7289         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7290         class.  Change all callers.
7291         (Target_x86_64::do_finalize_sections): Change handling of
7292         copy_relocs_.
7293         * Makefile.am (CCFILES): Add copy-relocs.cc.
7294         (HFILES): Add copy-relocs.h.
7296         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7298         * testsuite/script_test_4.sh: Permit leading zeroes.
7300 2008-04-15  Ian Lance Taylor  <iant@google.com>
7302         * script-sections.cc (Script_sections::create_segments): Use
7303         header_size_adjustment even when there is enough room for the
7304         headers.
7305         * testsuite/script_test_4.sh: New file.
7306         * testsuite/script_test_4.t: New file.
7307         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7308         (check_DATA): Add script_test_4.stdout.
7309         (MOSTLYCLEANFILES): Likewise.
7310         (script_test_4): New target.
7311         (script_test_4.stdout): New target.
7312         * testsuite/Makefile.in: Rebuild.
7314         * sparc.cc: Add definitions for Output_data_plt_sparc class
7315         constants.
7317 2008-04-14  David S. Miller  <davem@davemloft.net>
7319         * sparc.cc: New file.
7320         * Makefile.am (TARGETSOURCES): Add sparc.cc
7321         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7322         * configure.tgt: Document targ_extra_size and
7323         targ_extra_big_endian.  Add entries for sparc-* and
7324         sparc64-*.
7325         * configure.ac: Handle targ_extra_size and
7326         targ_extra_big_endian.
7327         * Makefile.in: Rebuild.
7328         * configure: Likewise.
7329         * po/POTFILES.in: Likewise.
7330         * po/gold.pot: Likewise.
7332 2008-04-14  Ian Lance Taylor  <iant@google.com>
7334         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7335         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7336         in the name/type/flags to section mapping.  Don't call
7337         allocate_output_section.
7338         (Layout::choose_output_section): Change parameter from adjust_name
7339         to is_input_section.  Don't permit input sections after sections
7340         are attached to segments.  Don't call allocate_output_section.
7341         (Layout::layout_eh_frame): Call update_flags_for_input_section,
7342         not write_enable_output_section.
7343         (Layout::make_output_section): Don't push to
7344         unattached_section_list_ nor call attach_to_segment.  Call
7345         attach_section_to_segment if sections are attached.
7346         (Layout::attach_sections_to_segments): New function.
7347         (Layout::attach_section_to_segment): New function.
7348         (Layout::attach_allocated_section_to_segment): Rename from
7349         attach_to_segment.  Remove flags parameter.
7350         (Layout::allocate_output_section): Remove function.
7351         (Layout::write_enable_output_section): Remove function.
7352         * layout.h (class Layout): Update for above changes.  Add new
7353         field sections_are_attached_.
7354         * output.h (Output_section::update_flags_for_input_section): New
7355         function.
7356         * output.cc (Output_section::add_input_section): Call
7357         update_flags_for_input_section.
7358         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7360 2008-04-11  Cary Coutant  <ccoutant@google.com>
7362         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7363         thought unnecessary.
7364         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7366 2008-04-11  Ian Lance Taylor  <iant@google.com>
7368         * output.h (class Output_section_data): Remove inline definition
7369         of set_addralign.
7370         * output.cc (Output_section_data::set_addralign): New function.
7372 2008-04-11  Cary Coutant  <ccoutant@google.com>
7374         Add support for TLS descriptors for i386 and x86_64.
7375         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7376         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7377         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7378         GOT_TYPE_TLS_DESC.
7379         (Target_i386::got_mod_index_entry): Remove unnecessary code.
7380         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7381         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
7382         relocations.
7383         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7384         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7385         Fix problem with initial-exec relocations.
7386         (Target_i386::Relocate::relocate_tls): Likewise.
7387         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7388         relaxation.
7389         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7390         support for section-plus-offset dynamic table entries.
7391         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7392         (Output_data_dynamic::Dynamic_entry): Add support for
7393         section-plus-offset dynamic table entries.
7394         (Output_data_dynamic::Classification): Likewise.
7395         (Output_data_dynamic::classification_): Renamed offset_.
7396         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7397         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7398         (Target_x86_64::make_plt_section): New function.
7399         (Target_x86_64::reserve_tlsdesc_entries): New function.
7400         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7401         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7402         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7403         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7404         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7405         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7406         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7407         add extra PLT entry for TLS descriptors.
7408         (Output_data_plt_x86_64::got_): New field.
7409         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7410         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7411         fields.
7412         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7413         descriptors.
7414         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7415         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7416         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7417         R_386_TLS_DESC_CALL relocations.
7418         (Target_x86_64::Scan::global): Likewise.
7419         (Target_x86_64::do_finalize_sections): Add dynamic table entries
7420         for TLS descriptors.
7421         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7422         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7423         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7424         GD-to-IE relaxation.
7425         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7426         and TLS_DESCRIPTORS.
7427         * Makefile.in: Rebuild.
7428         * configure: Rebuild.
7429         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7430         (tls_test_shared2.so): New target.
7431         (tls_shared_gd_to_ie_test_SOURCES): New variable.
7432         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7433         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7434         (tls_shared_gd_to_ie_test_LDADD): New variable.
7435         (tls_shared_gnu2_gd_to_ie_test): New target.
7436         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7437         New targets.
7438         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7439         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7440         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7441         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7442         (tls_shared_gnu2_test): New target.
7443         (tls_test_gnu2_shared.so): New target.
7444         (tls_shared_gnu2_test_SOURCES): New variable.
7445         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7446         (tls_shared_gnu2_test_LDFLAGS): New variable.
7447         (tls_shared_gnu2_test_LDADD): New variable.
7448         * testsuite/Makefile.in: Rebuild.
7449         * testsuite/Makefile.
7451 2008-04-11  Ian Lance Taylor  <iant@google.com>
7453         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7454         justsyms.t.
7455         * testsuite/Makefile.in: Rebuild.
7457         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7458         long.
7459         * testsuite/script_test_2.cc (main): Adjust test.
7461 2008-04-11  David S. Miller  <davem@davemloft.net>
7462             Ian Lance Taylor  <iant@google.com>
7464         * options.h (General_options): Add entries for '-Y' and
7465         '-relax'.
7466         * options.cc (General_options:finalize): If -Y was used, add those
7467         entries to the library path instead of the default "/lib" and
7468         "/usr/lib".
7470 2008-04-11  David S. Miller  <davem@davemloft.net>
7472         * testsuite/justsyms.t: Start at 0x100.
7473         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
7474         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7475         long.
7476         * testsuite/script_test_2.cc: Adjust string and section length
7477         checks.
7479 2008-04-09  Ian Lance Taylor  <iant@google.com>
7481         PR gold/5996
7482         * script-sections.cc (Sections_element::allocate_to_segment): Add
7483         orphan parameter.
7484         (Output_section_definition::allocate_to_segment): Likewise.
7485         (Orphan_output_section::allocate_to_segment): Likewise.
7486         (Script_sections::attach_sections_using_phdrs_clause): Don't
7487         propagate non-PT_LOAD segments to orphan sections.
7488         * testsuite/Makefile.am (script_test_3.stdout): Generate using
7489         readelf rather than objdump.
7490         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
7491         .interp section and PT_INTERP segment are the same size.
7492         * testsuite/Makefile.in: Rebuild.
7494         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7495         aliases for symbols defined in the same object.
7496         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7497         (weak_alias_test_SOURCES): New variable.
7498         (weak_alias_test_DEPENDENCIES): New variable.
7499         (weak_alias_test_LDFLAGS): New variable.
7500         (weak_alias_test_LDADD): New variable.
7501         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7502         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7503         (weak_alias_test_3.o): New target.
7504         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7505         * testsuite/weak_alias_test_main.cc: New file.
7506         * testsuite/weak_alias_test_1.cc: New file.
7507         * testsuite/weak_alias_test_2.cc: New file.
7508         * testsuite/weak_alias_test_3.cc: New file.
7510 2008-04-08  Ian Lance Taylor  <iant@google.com>
7512         * options.h (class General_options): Add --noinhibit-exec option.
7513         * main.cc (main): Check --noinhibit-exec.
7515         * options.h (class General_options): Define --wrap as a special
7516         option.  Add wrap_symbols_ field.
7517         (General_options::any_wrap_symbols): New function.
7518         (General_options::is_wrap_symbol): New function.
7519         * options.cc (General_options::parse_wrap): New function.
7520         (General_options::General_options): Initialize wrap_symbols_.
7521         * symtab.cc (Symbol_table::wrap_symbol): New function.
7522         (Symbol_table::add_from_object): Handle --wrap.
7523         * symtab.h (class Symbol_table): Declare wrap_symbol.
7524         * target.h (Target::wrap_char): New function.
7525         (Target::Target_info): Add wrap_char field.
7526         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7527         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7528         * testsuite/testfile.cc (Target_test::test_target_info):
7529         Likewise.
7531         * errors.cc (Errors::undefined_symbol): Mention symbol version if
7532         there is one.
7534         * layout.h (class Layout): Add added_eh_frame_data_ field.
7535         * layout.cc (Layout::Layout): Initialize new field.
7536         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7537         output section until we find a section we merged successfully.
7538         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7539         that the size be non-zero.
7541         * merge.cc (Object_merge_map::get_output_offset): Remove inline
7542         qualifier.
7544 2008-04-08  Craig Silverstein  <csilvers@google.com>
7546         * configure.ac: Export new conditional variable HAVE_ZLIB.
7547         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7548         on HAVE_ZLIB.
7549         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7550         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7552 2008-04-07  Ian Lance Taylor  <iant@google.com>
7554         * version.cc (version_string): Set to "1.5".
7556         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7557         Add issued_non_pic_error_ field.  Declare check_non_pic.
7558         (Target_x86_64::Scan::check_non_pic): New function.
7559         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7560         (Target_x86_64::Scan::global): Likewise.
7562         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7563         addend parameter.  Change caller.  Handle merge sections.
7564         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7565         Address to Addend.  Don't add in the result of
7566         local_section_offset, pass down the addend and use the returned
7567         value.
7568         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7569         Update declarations of local_section_offset and symbol_value.
7570         * testsuite/two_file_test_1.cc (t18): New function.
7571         * testsuite/two_file_test_2.cc (f18): New function.
7572         * testsuite/two_file_test_main.cc (main): Call t18.
7573         * testsuite/two_file_test.h (t18, f18): Declare.
7575         * configure.ac: Don't test for objdump, c++filt, or readelf.
7576         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7577         conditionals.
7578         (TEST_READELF): New variable.
7579         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7580         (check_PROGRAMS): Add two_file_strip_test.
7581         (two_file_strip_test): New target.
7582         (check_PROGRAMS): Add two_file_same_shared_strip_test.
7583         (two_file_same_shared_strip_test_SOURCES): New variable.
7584         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7585         (two_file_same_shared_strip_test_LDFLAGS): New variable.
7586         (two_file_same_shared_strip_test_LDADD): New variable.
7587         (two_file_shared_strip.so): New target.
7588         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7589         (ver_test_5.syms, ver_test_7.syms): Likewise.
7590         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7591         (strip_test_3.stdout): Use TEST_OBJDUMP.
7592         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7594 2008-04-04  Cary Coutant  <ccoutant@google.com>
7596         * symtab.h (Symbol::is_weak_undefined): New function.
7597         (Symbol::is_strong_undefined): New function.
7598         (Symbol::is_absolute): New function.
7599         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7600         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7601         absolute symbols.
7602         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7603         (weak_undef_test): New target.
7604         * testsuite/Makefile.in: Rebuild.
7605         * testsuite/weak_undef_file1.cc: New file.
7606         * testsuite/weak_undef_file2.cc: New file.
7607         * testsuite/weak_undef_test.cc: New file.
7609 2008-04-03  Craig Silverstein  <csilvers@google.com>
7611         * compressed_output.h (class Output_compressed_section): Use
7612         unsigned buffer.
7613         * compressed_output.cc (zlib_compress): Use unsigned buffers,
7614         add zlib header.
7615         (zlib_compressed_suffix): Removed.
7616         (Output_compressed_section::set_final_data_size): Use unsigned
7617         buffers.
7618         * testsuite/Makefile.am (flagstest_compress_debug_sections):
7619         Fix linker invocation.
7620         (flagstest_o_specialfile_and_compress_debug_sections):
7621         Likewise.
7622         * testsuite/Makefile.in: Regenerated.
7624 2008-04-02  David S. Miller  <davem@davemloft.net>
7626         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7627         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7629 2008-04-02  Craig Silverstein  <csilvers@google.com>
7631         * TODO: New file.
7633 2008-04-02  Ian Lance Taylor  <iant@google.com>
7635         * fileread.cc (File_read::find_view): Add byteshift and vshifted
7636         parameters.  Update for new key type to views_.  Change all
7637         callers.
7638         (File_read::read): Adjust for byteshift in returned view.
7639         (File_read::add_view): New function, broken out of
7640         find_and_make_view.
7641         (File_read::make_view): New function, broken out of
7642         find_and_make_view.
7643         (File_read::find_or_make_view): Add offset and aligned
7644         parameters.  Rewrite accordingly.  Change all callers.
7645         (File_read::get_view): Add offset and aligned parameters.  Adjust
7646         for byteshift in return value.
7647         (File_read::get_lasting_view): Likewise.
7648         * fileread.h (class File_read): Update declarations.
7649         (class File_read::View): Add byteshift_ field.  Add byteshift to
7650         constructor.  Add byteshift method.
7651         * archive.h (Archive::clear_uncached_views): New function.
7652         (Archive::get_view): Add aligned parameter.  Change all callers.
7653         * object.h (Object::get_view): Add aligned parameter.  Change all
7654         callers.
7655         (Object::get_lasting_view): Likewise.
7657         * fileread.cc (File_read::release): Don't call clear_views if
7658         there are multiple objects.
7659         * fileread.h (File_read::clear_uncached_views): New function.
7660         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7661         on the archive.
7663 2008-03-31  Cary Coutant  <ccoutant@google.com>
7665         Add thin archive support.
7666         * archive.cc (Archive::armagt): New const.
7667         (Archive::setup): Remove task parameter and calls to unlock.
7668         (Archive::unlock_nested_archives): New function.
7669         (Archive::read_header): Add nested_off parameter. Change
7670         all callers.
7671         (Archive::interpret_header): Likewise.
7672         (Archive::include_all_members): Change to handle thin
7673         archives.
7674         (Archive::include_member): Likewise.
7675         * archive.h (Archive::Archive): Add new parameters and
7676         initializers.
7677         (Archive::armagt): New const.
7678         (Archive::setup): Remove task parameter.
7679         (Archive::unlock_nested_archives): New function.
7680         (Archive::read_header): Add nested_off parameter.
7681         (Archive::interpret_header): Likewise.
7682         (Archive::Nested_archive_table): New typedef.
7683         (Archive::is_thin_archive_): New field.
7684         (Archive::nested_archives_): New field.
7685         (Archive::options_): New field.
7686         (Archive::dirpath_): New field.
7687         (Archive::task_): New field.
7688         * readsyms.cc (Read_symbols::do_read_symbols): Add check
7689         for thin archives.  Pass additional parameters to
7690         Archive::Archive.  Unlock the archive file after calling
7691         Archive::setup.
7693 2008-03-29  Ian Lance Taylor  <iant@google.com>
7695         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7696         version symbol to be local.
7697         * testsuite/ver_test_4.sh: New file.
7698         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7699         (check_DATA): Add ver_test_4.syms.
7700         (ver_test_4.syms): New target.
7701         * testsuite/Makefile.in: Rebuild.
7703         * output.cc
7704         (Output_section::Input_section_sort_entry::has_priority): New
7705         function.
7706         (Output_section::Input_section_sort_entry::match_file_name): New
7707         function.
7708         (Output_section::Input_section_sort_entry::match_section_name):
7709         Remove.
7710         (Output_section::Input_section_sort_entry::match_section_name_prefix):
7711         Remove.
7712         (Output_section::Input_section_sort_entry::match_section_file):
7713         Remove.
7714         (Output_section::Input_section_sort_compare::operator()): Rewrite
7715         using new Input_section_sort_entry functions.  Sort crtbegin and
7716         crtend first.  Sort sections with no priority before sections with
7717         a priority.
7718         * testsuite/initpri1.c (d3): Check j != 4.
7719         (cd5): New constructor/destructor function.
7720         (main): Check j != 2.
7722         * symtab.cc (Symbol_table::add_from_object): If we don't use the
7723         new symbol when resolving, don't call set_is_default.
7724         * testsuite/ver_test_7.cc: New file.
7725         * testsuite/ver_test_7.sh: New file.
7726         * testsuite/Makefile.am (ver_test_7.so): New target.
7727         (ver_test_7.o): New target.
7728         (check_SCRIPTS): Add ver_test_7.sh.
7729         (check_DATA): Add ver_test_7.syms.
7730         (ver_test_7.syms): New target.
7732 2008-03-28  Ian Lance Taylor  <iant@google.com>
7734         * layout.cc (Layout::layout): If we see an input section with a
7735         name that needs sorting, set the must_sort flag for the output
7736         section.
7737         (Layout::make_output_section): If the name of the output section
7738         indicates that it might require sorting, set the may_sort flag.
7739         * output.h (Output_section::may_sort_attached_input_sections): New
7740         function.
7741         (Output_section::set_may_sort_attached_input_sections): New
7742         function.
7743         (Output_section::must_sort_attached_input_sections): New
7744         function.
7745         (Output_section::set_must_sort_attached_input_sections): New
7746         function.
7747         (class Output_section): Declare Input_section_sort_entry.  Define
7748         Input_section_sort_compare.  Declare
7749         sort_attached_input_sections.  Add new fields:
7750         may_sort_attached_input_sections_,
7751         must_sort_attached_input_sections_,
7752         attached_input_sections_are_sorted_.
7753         * output.cc (Output_section::Output_section): Initialize new
7754         fields.
7755         (Output_section::add_input_section): Add an entry to
7756         input_sections_ if may_sort or must_sort are true.
7757         (Output_section::set_final_data_size): Call
7758         sort_attached_input_sections if necessary.
7759         (Output_section::Input_section_sort_entry): Define new class.
7760         (Output_section::Input_section_sort_compare::operator()): New
7761         function.
7762         (Output_section::sort_attached_input_sections): New function.
7763         * configure.ac: Check whether the compiler supports constructor
7764         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
7765         * testsuite/initpri1.c: New file.
7766         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7767         CONSTRUCTOR_PRIORITY.
7768         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7769         (initpri1_LDFLAGS): New variable.
7770         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7772 2008-03-27  Ian Lance Taylor  <iant@google.com>
7774         * common.cc (Sort_commons::operator): Correct sorting algorithm.
7775         * testsuite/common_test_1.c: New file.
7776         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7777         (common_test_1_SOURCES): New variable.
7778         (common_test_1_DEPENDENCIES): New variable.
7779         (common_test_1_LDFLAGS): New variable.
7781         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7782         and commons_ correctly when NAME/VERSION does not override
7783         NAME/NULL.
7784         * testsuite/ver_test_6.c: New file.
7785         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7786         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7787         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7789 2008-03-26  Ian Lance Taylor  <iant@google.com>
7791         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7792         of an undefined symbol from a version script.
7793         * testsuite/Makefile.am (ver_test_5.so): New target.
7794         (ver_test_5.o): New target.
7795         (check_SCRIPTS): Add ver_test_5.sh.
7796         (check_DATA): Add ver_test_5.syms.
7797         (ver_test_5.syms): New target.
7798         * testsuite/ver_test_5.cc: New file.
7799         * testsuite/ver_test_5.script: New file.
7800         * testsuite/ver_test_5.sh: New file.
7801         * Makefile.in, testsuite/Makefile.in: Rebuild.
7803         PR gold/5986
7804         Fix problems building gold with gcc 4.3.0.
7805         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7806         (gold_error_at_location, gold_warning_at_location): Use it.
7807         * configure.ac: Check whether we can compile and use a template
7808         function with a printf attribute.
7809         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7810         when jumping over bytes.
7811         * object.cc: Instantiate Object::read_section_data.
7812         * debug.h: Include <cstring>
7813         * dwarf_reader.cc: Include <algorithm>
7814         * main.cc: Include <cstring>.
7815         * options.cc: Include <cstring>.
7816         * output.cc: Include <cstring>.
7817         * script.cc: Include <cstring>.
7818         * script.h: Include <string>.
7819         * symtab.cc: Include <cstring> and <algorithm>.
7820         * target-select.cc: Include <cstring>.
7821         * version.cc: Include <string>.
7822         * testsuite/testmain.cc: Include <cstdlib>.
7823         * configure, config.in: Rebuild.
7825 2008-03-25  Ian Lance Taylor  <iant@google.com>
7827         * options.cc: Include "../bfd/bfdver.h".
7828         (options::help): Print bug reporting address.
7830         * version.cc (print_version): Adjust output for current value of
7831         BFD_VERSION_STRING.
7833         * NEWS: New file.
7835         * options.cc (options::help): Print list of supported targets.
7836         * target-select.h: Include <vector>.
7837         (class Target_selector): Make machine_, size_, and is_big_endian_
7838         fields const.  Add bfd_name_ and instantiated_target_ fields.
7839         (Target_selector::Target_selector): Add bfd_name parameter.
7840         (Target_selector::recognize): Make non-virtual, call
7841         do_recognize.
7842         (Target_selector::recognize_by_name): Make non-virtual, call
7843         do_recognize_by_name.
7844         (Target_selector::supported_names): New function.
7845         (Target_selector::bfd_name): New function.
7846         (Target_selector::do_instantiate_target): New pure virtual
7847         function.
7848         (Target_selector::do_recognize): New virtual function.
7849         (Target_selector::do_recognize_by_name): New virtual function.
7850         (Target_selector::instantiate_target): New private function.
7851         (supported_target_names): Declare.
7852         * target-select.cc (Target_selector::Target_selector): Update for
7853         new parameter and fields.
7854         (select_target_by_name): Check that the name matches before
7855         calling recognize_by_name.
7856         (supported_target_names): New function.
7857         * i386.cc (class Target_selector_i386): Update Target_selector
7858         constructor call.  Remove recognize and recognize_by_name.  Add
7859         do_instantiate_target.
7860         * x86_64.cc (class Target_selector_x86_64): Likewise.
7861         * testsuite/testfile.cc (class Target_selector_test): Update for
7862         changes to Target_selector.
7864         * README: Rewrite, with some notes on unsupported features.
7866 2008-03-24  Cary Coutant  <ccoutant@google.com>
7868         * i386.cc (Target_i386::Got_type): New enum declaration.
7869         (Target_i386::Scan::local): Updated callers of Output_data_got
7870         member functions.
7871         (Target_i386::Scan::global): Likewise.
7872         (Target_i386::Relocate::relocate): Likewise.
7873         (Target_i386::Relocate::relocate_tls): Likewise.
7874         * object.h (Got_offset_list): New class.
7875         (Sized_relobj::local_has_got_offset): Added got_type parameter.
7876         (Sized_relobj::local_got_offset): Likewise.
7877         (Sized_relobj::set_local_got_offset): Likewise.
7878         (Sized_relobj::local_has_tls_got_offset): Removed.
7879         (Sized_relobj::local_tls_got_offset): Removed.
7880         (Sized_relobj::set_local_tls_got_offset): Removed.
7881         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7882         * output.cc (Output_data_got::add_global): Added got_type parameter.
7883         (Output_data_got::add_global_with_rel): Likewise.
7884         (Output_data_got::add_global_with_rela): Likewise.
7885         (Output_data_got::add_global_pair_with_rel): New function.
7886         (Output_data_got::add_global_pair_with_rela): New function.
7887         (Output_data_got::add_local): Added got_type parameter.
7888         (Output_data_got::add_local_with_rel): Likewise.
7889         (Output_data_got::add_local_with_rela): Likewise.
7890         (Output_data_got::add_local_pair_with_rel): New function.
7891         (Output_data_got::add_local_pair_with_rela): New function.
7892         (Output_data_got::add_global_tls): Removed.
7893         (Output_data_got::add_global_tls_with_rel): Removed.
7894         (Output_data_got::add_global_tls_with_rela): Removed.
7895         (Output_data_got::add_local_tls): Removed.
7896         (Output_data_got::add_local_tls_with_rel): Removed.
7897         (Output_data_got::add_local_tls_with_rela): Removed.
7898         * output.h (Output_data_got::add_global): Added got_type parameter.
7899         (Output_data_got::add_global_with_rel): Likewise.
7900         (Output_data_got::add_global_with_rela): Likewise.
7901         (Output_data_got::add_global_pair_with_rel): New function.
7902         (Output_data_got::add_global_pair_with_rela): New function.
7903         (Output_data_got::add_local): Added got_type parameter.
7904         (Output_data_got::add_local_with_rel): Likewise.
7905         (Output_data_got::add_local_with_rela): Likewise.
7906         (Output_data_got::add_local_pair_with_rel): New function.
7907         (Output_data_got::add_local_pair_with_rela): New function.
7908         (Output_data_got::add_global_tls): Removed.
7909         (Output_data_got::add_global_tls_with_rel): Removed.
7910         (Output_data_got::add_global_tls_with_rela): Removed.
7911         (Output_data_got::add_local_tls): Removed.
7912         (Output_data_got::add_local_tls_with_rel): Removed.
7913         (Output_data_got::add_local_tls_with_rela): Removed.
7914         * resolve.cc (Symbol::override_base_with_special): Removed
7915         reference to has_got_offset_ field.
7916         * symtab.cc (Symbol::init_fields): Replaced initialization
7917         of got_offset_ with got_offsets_.  Removed initialization
7918         of has_got_offset_
7919         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7920         (Symbol::got_offset): Likewise.
7921         (Symbol::set_got_offset): Likewise.
7922         (Symbol::has_tls_got_offset): Removed.
7923         (Symbol::tls_got_offset): Removed.
7924         (Symbol::set_tls_got_offset): Removed.
7925         (Symbol::got_offset_): Removed.
7926         (Symbol::tls_mod_got_offset_): Removed.
7927         (Symbol::tls_pair_got_offset_): Removed.
7928         (Symbol::got_offsets_): New field.
7929         (Symbol::has_got_offset): Removed.
7930         (Symbol::has_tls_mod_got_offset): Removed.
7931         (Symbol::has_tls_pair_got_offset): Removed.
7932         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7933         (Target_x86_64::Scan::local): Updated callers of Output_data_got
7934         member functions.
7935         (Target_x86_64::Scan::global): Likewise.
7936         (Target_x86_64::Relocate::relocate): Likewise.
7937         (Target_x86_64::Relocate::relocate_tls): Likewise.
7939 2008-03-25  Ben Elliston  <bje@au.ibm.com>
7941         * yyscript.y: Fix spelling error in comment.
7943 2008-03-24  Ian Lance Taylor  <iant@google.com>
7945         * options.h (class General_options): Define build_id option.
7946         * layout.h (class Layout): Declare write_build_id, create_note,
7947         create_build_id.  Add build_id_note_ member.
7948         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7949         "libiberty.h", "md5.h", "sha1.h".
7950         (Layout::Layout): Initialize eh_frame_data_,
7951         eh_frame_hdr_section_, and build_id_note_.
7952         (Layout::finalize): Call create_build_id.
7953         (Layout::create_note): New function, broken out of
7954         Layout::create_gold_note.
7955         (Layout::create_gold_note): Call create_note.
7956         (Layout::create_build_id): New function.
7957         (Layout::write_build_id): New function.
7958         (Close_task_runner::run): Call write_build_id.
7960         * x86_64.cc: Correct license to GPLv3.
7962 2008-03-23  Ian Lance Taylor  <iant@google.com>
7964         * options.cc: Include "demangle.h".
7965         (parse_optional_string): New function.
7966         (parse_long_option): Handle takes_optional_argument.
7967         (parse_short_option): Update dash_z initializer.  Handle
7968         takes_optional_argument.
7969         (General_options::General_options): Initialize do_demangle_.
7970         (General_options::finalize): Set do_demangle_.  Handle demangling
7971         style.
7972         * options.h (parse_optional_string): Declare.
7973         (struct One_option): Add optional_arg field.  Update constructor.
7974         Update call constructor calls.  Add takes_optional_argument
7975         function.
7976         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
7977         (DEFINE_optional_string): Define.
7978         (General_options::demangle): Change from DEFINE_bool to
7979         DEFINE_optional_string.
7980         (General_options::no_demangle): New function.
7981         (General_options::do_demangle): New function.
7982         (General_options::set_do_demangle): New function.
7983         (General_options::execstack_status_): Move definition to end of
7984         class definition.
7985         (General_options::static_): Likewise.
7986         (General_options::do_demangle_): New field.
7987         * object.cc (big_endian>::get_symbol_location_info): Call
7988         Options::do_demangle, not Options::demangle.
7989         * symtab.cc (demangle): Likewise.
7991 2008-03-22  Ian Lance Taylor  <iant@google.com>
7993         * gold.h: Include <cstddef> and <sys/types.h>
7994         * options.h: Include <cstring>.
7996 2008-03-21  Ian Lance Taylor  <iant@google.com>
7998         * Added source code to GNU binutils.